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-rw-r--r--Documentation/kernel-parameters.txt3
-rw-r--r--arch/i386/kernel/acpi/boot.c8
-rw-r--r--arch/i386/kernel/acpi/processor.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c291
-rw-r--r--arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c254
-rw-r--r--arch/ia64/Kconfig1
-rw-r--r--arch/ia64/hp/common/sba_iommu.c2
-rw-r--r--arch/ia64/kernel/acpi.c4
-rw-r--r--arch/ia64/mm/init.c2
-rw-r--r--arch/x86_64/Kconfig1
-rw-r--r--arch/x86_64/kernel/acpi/Makefile1
-rw-r--r--arch/x86_64/kernel/acpi/processor.c72
-rw-r--r--drivers/acpi/Kconfig3
-rw-r--r--drivers/acpi/acpi_memhotplug.c12
-rw-r--r--drivers/acpi/asus_acpi.c32
-rw-r--r--drivers/acpi/bus.c22
-rw-r--r--drivers/acpi/dispatcher/dsfield.c13
-rw-r--r--drivers/acpi/dispatcher/dsinit.c6
-rw-r--r--drivers/acpi/dispatcher/dsmethod.c232
-rw-r--r--drivers/acpi/dispatcher/dsmthdat.c43
-rw-r--r--drivers/acpi/dispatcher/dsobject.c25
-rw-r--r--drivers/acpi/dispatcher/dsopcode.c63
-rw-r--r--drivers/acpi/dispatcher/dsutils.c25
-rw-r--r--drivers/acpi/dispatcher/dswexec.c26
-rw-r--r--drivers/acpi/dispatcher/dswload.c67
-rw-r--r--drivers/acpi/dispatcher/dswscope.c10
-rw-r--r--drivers/acpi/dispatcher/dswstate.c72
-rw-r--r--drivers/acpi/ec.c72
-rw-r--r--drivers/acpi/events/evevent.c10
-rw-r--r--drivers/acpi/events/evgpe.c85
-rw-r--r--drivers/acpi/events/evgpeblk.c96
-rw-r--r--drivers/acpi/events/evmisc.c41
-rw-r--r--drivers/acpi/events/evregion.c115
-rw-r--r--drivers/acpi/events/evrgnini.c48
-rw-r--r--drivers/acpi/events/evsci.c8
-rw-r--r--drivers/acpi/events/evxface.c49
-rw-r--r--drivers/acpi/events/evxfevnt.c67
-rw-r--r--drivers/acpi/events/evxfregn.c15
-rw-r--r--drivers/acpi/executer/exconfig.c54
-rw-r--r--drivers/acpi/executer/exconvrt.c12
-rw-r--r--drivers/acpi/executer/excreate.c25
-rw-r--r--drivers/acpi/executer/exdump.c36
-rw-r--r--drivers/acpi/executer/exfield.c18
-rw-r--r--drivers/acpi/executer/exfldio.c67
-rw-r--r--drivers/acpi/executer/exmisc.c25
-rw-r--r--drivers/acpi/executer/exmutex.c15
-rw-r--r--drivers/acpi/executer/exnames.c28
-rw-r--r--drivers/acpi/executer/exoparg1.c101
-rw-r--r--drivers/acpi/executer/exoparg2.c89
-rw-r--r--drivers/acpi/executer/exoparg3.c17
-rw-r--r--drivers/acpi/executer/exoparg6.c3
-rw-r--r--drivers/acpi/executer/exprep.c45
-rw-r--r--drivers/acpi/executer/exregion.c40
-rw-r--r--drivers/acpi/executer/exresnte.c17
-rw-r--r--drivers/acpi/executer/exresolv.c77
-rw-r--r--drivers/acpi/executer/exresop.c12
-rw-r--r--drivers/acpi/executer/exstore.c15
-rw-r--r--drivers/acpi/executer/exstoren.c7
-rw-r--r--drivers/acpi/executer/exstorob.c17
-rw-r--r--drivers/acpi/executer/exsystem.c12
-rw-r--r--drivers/acpi/executer/exutils.c17
-rw-r--r--drivers/acpi/fan.c40
-rw-r--r--drivers/acpi/hardware/hwacpi.c6
-rw-r--r--drivers/acpi/hardware/hwgpe.c8
-rw-r--r--drivers/acpi/hardware/hwregs.c146
-rw-r--r--drivers/acpi/hardware/hwsleep.c31
-rw-r--r--drivers/acpi/hardware/hwtimer.c20
-rw-r--r--drivers/acpi/hotkey.c2
-rw-r--r--drivers/acpi/ibm_acpi.c70
-rw-r--r--drivers/acpi/motherboard.c61
-rw-r--r--drivers/acpi/namespace/nsaccess.c46
-rw-r--r--drivers/acpi/namespace/nsalloc.c118
-rw-r--r--drivers/acpi/namespace/nsdump.c15
-rw-r--r--drivers/acpi/namespace/nsdumpdv.c6
-rw-r--r--drivers/acpi/namespace/nseval.c484
-rw-r--r--drivers/acpi/namespace/nsinit.c298
-rw-r--r--drivers/acpi/namespace/nsload.c27
-rw-r--r--drivers/acpi/namespace/nsnames.c14
-rw-r--r--drivers/acpi/namespace/nsobject.c15
-rw-r--r--drivers/acpi/namespace/nsparse.c6
-rw-r--r--drivers/acpi/namespace/nssearch.c148
-rw-r--r--drivers/acpi/namespace/nsutils.c104
-rw-r--r--drivers/acpi/namespace/nswalk.c6
-rw-r--r--drivers/acpi/namespace/nsxfeval.c203
-rw-r--r--drivers/acpi/namespace/nsxfname.c22
-rw-r--r--drivers/acpi/namespace/nsxfobj.c11
-rw-r--r--drivers/acpi/osl.c159
-rw-r--r--drivers/acpi/parser/psargs.c25
-rw-r--r--drivers/acpi/parser/psloop.c25
-rw-r--r--drivers/acpi/parser/psopcode.c6
-rw-r--r--drivers/acpi/parser/psparse.c35
-rw-r--r--drivers/acpi/parser/psscope.c17
-rw-r--r--drivers/acpi/parser/pstree.c8
-rw-r--r--drivers/acpi/parser/psutils.c5
-rw-r--r--drivers/acpi/parser/pswalk.c5
-rw-r--r--drivers/acpi/parser/psxface.c46
-rw-r--r--drivers/acpi/pci_link.c25
-rw-r--r--drivers/acpi/processor_core.c14
-rw-r--r--drivers/acpi/processor_idle.c8
-rw-r--r--drivers/acpi/processor_perflib.c247
-rw-r--r--drivers/acpi/resources/rscalc.c108
-rw-r--r--drivers/acpi/resources/rscreate.c33
-rw-r--r--drivers/acpi/resources/rsdump.c42
-rw-r--r--drivers/acpi/resources/rsinfo.c1
-rw-r--r--drivers/acpi/resources/rslist.c102
-rw-r--r--drivers/acpi/resources/rsmisc.c12
-rw-r--r--drivers/acpi/resources/rsutils.c155
-rw-r--r--drivers/acpi/resources/rsxface.c395
-rw-r--r--drivers/acpi/scan.c178
-rw-r--r--drivers/acpi/sleep/main.c8
-rw-r--r--drivers/acpi/sleep/wakeup.c3
-rw-r--r--drivers/acpi/system.c6
-rw-r--r--drivers/acpi/tables.c4
-rw-r--r--drivers/acpi/tables/tbconvrt.c46
-rw-r--r--drivers/acpi/tables/tbget.c65
-rw-r--r--drivers/acpi/tables/tbgetall.c11
-rw-r--r--drivers/acpi/tables/tbinstal.c50
-rw-r--r--drivers/acpi/tables/tbrsdt.c46
-rw-r--r--drivers/acpi/tables/tbutils.c149
-rw-r--r--drivers/acpi/tables/tbxface.c42
-rw-r--r--drivers/acpi/tables/tbxfroot.c82
-rw-r--r--drivers/acpi/thermal.c25
-rw-r--r--drivers/acpi/utilities/utalloc.c634
-rw-r--r--drivers/acpi/utilities/utcache.c18
-rw-r--r--drivers/acpi/utilities/utcopy.c41
-rw-r--r--drivers/acpi/utilities/utdebug.c65
-rw-r--r--drivers/acpi/utilities/utdelete.c62
-rw-r--r--drivers/acpi/utilities/uteval.c141
-rw-r--r--drivers/acpi/utilities/utglobal.c62
-rw-r--r--drivers/acpi/utilities/utinit.c26
-rw-r--r--drivers/acpi/utilities/utmath.c8
-rw-r--r--drivers/acpi/utilities/utmisc.c293
-rw-r--r--drivers/acpi/utilities/utmutex.c42
-rw-r--r--drivers/acpi/utilities/utobject.c23
-rw-r--r--drivers/acpi/utilities/utresrc.c256
-rw-r--r--drivers/acpi/utilities/utstate.c36
-rw-r--r--drivers/acpi/utilities/utxface.c44
-rw-r--r--drivers/acpi/utils.c2
-rw-r--r--drivers/acpi/video.c23
-rw-r--r--drivers/char/agp/hp-agp.c2
-rw-r--r--drivers/char/hpet.c5
-rw-r--r--drivers/char/sonypi.c10
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c199
-rw-r--r--include/acpi/acconfig.h18
-rw-r--r--include/acpi/acdisasm.h173
-rw-r--r--include/acpi/acdispat.h6
-rw-r--r--include/acpi/acevents.h4
-rw-r--r--include/acpi/acexcep.h6
-rw-r--r--include/acpi/acglobal.h29
-rw-r--r--include/acpi/aclocal.h284
-rw-r--r--include/acpi/acmacros.h81
-rw-r--r--include/acpi/acnamesp.h28
-rw-r--r--include/acpi/acobject.h188
-rw-r--r--include/acpi/acopcode.h2
-rw-r--r--include/acpi/acoutput.h10
-rw-r--r--include/acpi/acparser.h4
-rw-r--r--include/acpi/acpi_bus.h10
-rw-r--r--include/acpi/acpiosxf.h35
-rw-r--r--include/acpi/acpixf.h4
-rw-r--r--include/acpi/acresrc.h20
-rw-r--r--include/acpi/acstruct.h121
-rw-r--r--include/acpi/actables.h6
-rw-r--r--include/acpi/actbl.h400
-rw-r--r--include/acpi/actbl1.h639
-rw-r--r--include/acpi/actbl2.h230
-rw-r--r--include/acpi/actypes.h88
-rw-r--r--include/acpi/acutils.h95
-rw-r--r--include/acpi/amlcode.h6
-rw-r--r--include/acpi/amlresrc.h85
-rw-r--r--include/acpi/pdc_intel.h5
-rw-r--r--include/acpi/platform/acenv.h47
-rw-r--r--include/acpi/platform/aclinux.h23
-rw-r--r--include/acpi/processor.h27
-rw-r--r--include/asm-i386/apicdef.h1
-rw-r--r--include/asm-x86_64/acpi.h2
-rw-r--r--include/asm-x86_64/apicdef.h2
-rw-r--r--include/linux/cpufreq.h4
177 files changed, 6369 insertions, 5048 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index a9d3a1794b23..bca6f389da66 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -147,6 +147,9 @@ running once the system is up.
acpi_irq_isa= [HW,ACPI] If irq_balance, mark listed IRQs used by ISA
Format: <irq>,<irq>...
+ acpi_os_name= [HW,ACPI] Tell ACPI BIOS the name of the OS
+ Format: To spoof as Windows 98: ="Microsoft Windows"
+
acpi_osi= [HW,ACPI] empty param disables _OSI
acpi_serialize [HW,ACPI] force serialization of AML methods
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index fbe93084244c..97ca17189af5 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -217,7 +217,7 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
{
struct acpi_table_madt *madt = NULL;
- if (!phys_addr || !size)
+ if (!phys_addr || !size || !cpu_has_apic)
return -EINVAL;
madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size);
@@ -623,9 +623,9 @@ extern u32 pmtmr_ioport;
static int __init acpi_parse_fadt(unsigned long phys, unsigned long size)
{
- struct fadt_descriptor_rev2 *fadt = NULL;
+ struct fadt_descriptor *fadt = NULL;
- fadt = (struct fadt_descriptor_rev2 *)__acpi_map_table(phys, size);
+ fadt = (struct fadt_descriptor *)__acpi_map_table(phys, size);
if (!fadt) {
printk(KERN_WARNING PREFIX "Unable to map FADT\n");
return 0;
@@ -756,7 +756,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
return -ENODEV;
}
- if (!cpu_has_apic)
+ if (!cpu_has_apic)
return -ENODEV;
/*
diff --git a/arch/i386/kernel/acpi/processor.c b/arch/i386/kernel/acpi/processor.c
index 9f4cc02717ec..b54fded49834 100644
--- a/arch/i386/kernel/acpi/processor.c
+++ b/arch/i386/kernel/acpi/processor.c
@@ -47,7 +47,7 @@ static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
buf[2] = ACPI_PDC_C_CAPABILITY_SMP;
if (cpu_has(c, X86_FEATURE_EST))
- buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
+ buf[2] |= ACPI_PDC_EST_CAPABILITY_SWSMP;
obj->type = ACPI_TYPE_BUFFER;
obj->buffer.length = 12;
diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
index 1a7bdcef1926..05668e3598c0 100644
--- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -48,12 +48,13 @@ MODULE_LICENSE("GPL");
struct cpufreq_acpi_io {
- struct acpi_processor_performance acpi_data;
+ struct acpi_processor_performance *acpi_data;
struct cpufreq_frequency_table *freq_table;
unsigned int resume;
};
static struct cpufreq_acpi_io *acpi_io_data[NR_CPUS];
+static struct acpi_processor_performance *acpi_perf_data[NR_CPUS];
static struct cpufreq_driver acpi_cpufreq_driver;
@@ -104,64 +105,43 @@ acpi_processor_set_performance (
{
u16 port = 0;
u8 bit_width = 0;
- int ret;
- u32 value = 0;
int i = 0;
- struct cpufreq_freqs cpufreq_freqs;
- cpumask_t saved_mask;
+ int ret = 0;
+ u32 value = 0;
int retval;
+ struct acpi_processor_performance *perf;
dprintk("acpi_processor_set_performance\n");
- /*
- * TBD: Use something other than set_cpus_allowed.
- * As set_cpus_allowed is a bit racy,
- * with any other set_cpus_allowed for this process.
- */
- saved_mask = current->cpus_allowed;
- set_cpus_allowed(current, cpumask_of_cpu(cpu));
- if (smp_processor_id() != cpu) {
- return (-EAGAIN);
- }
-
- if (state == data->acpi_data.state) {
+ retval = 0;
+ perf = data->acpi_data;
+ if (state == perf->state) {
if (unlikely(data->resume)) {
dprintk("Called after resume, resetting to P%d\n", state);
data->resume = 0;
} else {
dprintk("Already at target state (P%d)\n", state);
- retval = 0;
- goto migrate_end;
+ return (retval);
}
}
- dprintk("Transitioning from P%d to P%d\n",
- data->acpi_data.state, state);
-
- /* cpufreq frequency struct */
- cpufreq_freqs.cpu = cpu;
- cpufreq_freqs.old = data->freq_table[data->acpi_data.state].frequency;
- cpufreq_freqs.new = data->freq_table[state].frequency;
-
- /* notify cpufreq */
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_PRECHANGE);
+ dprintk("Transitioning from P%d to P%d\n", perf->state, state);
/*
* First we write the target state's 'control' value to the
* control_register.
*/
- port = data->acpi_data.control_register.address;
- bit_width = data->acpi_data.control_register.bit_width;
- value = (u32) data->acpi_data.states[state].control;
+ port = perf->control_register.address;
+ bit_width = perf->control_register.bit_width;
+ value = (u32) perf->states[state].control;
dprintk("Writing 0x%08x to port 0x%04x\n", value, port);
ret = acpi_processor_write_port(port, bit_width, value);
if (ret) {
dprintk("Invalid port width 0x%04x\n", bit_width);
- retval = ret;
- goto migrate_end;
+ return (ret);
}
/*
@@ -177,48 +157,35 @@ acpi_processor_set_performance (
* before giving up.
*/
- port = data->acpi_data.status_register.address;
- bit_width = data->acpi_data.status_register.bit_width;
+ port = perf->status_register.address;
+ bit_width = perf->status_register.bit_width;
dprintk("Looking for 0x%08x from port 0x%04x\n",
- (u32) data->acpi_data.states[state].status, port);
+ (u32) perf->states[state].status, port);
- for (i=0; i<100; i++) {
+ for (i = 0; i < 100; i++) {
ret = acpi_processor_read_port(port, bit_width, &value);
if (ret) {
dprintk("Invalid port width 0x%04x\n", bit_width);
- retval = ret;
- goto migrate_end;
+ return (ret);
}
- if (value == (u32) data->acpi_data.states[state].status)
+ if (value == (u32) perf->states[state].status)
break;
udelay(10);
}
} else {
- value = (u32) data->acpi_data.states[state].status;
+ value = (u32) perf->states[state].status;
}
- /* notify cpufreq */
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_POSTCHANGE);
-
- if (unlikely(value != (u32) data->acpi_data.states[state].status)) {
- unsigned int tmp = cpufreq_freqs.new;
- cpufreq_freqs.new = cpufreq_freqs.old;
- cpufreq_freqs.old = tmp;
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_PRECHANGE);
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_POSTCHANGE);
+ if (unlikely(value != (u32) perf->states[state].status)) {
printk(KERN_WARNING "acpi-cpufreq: Transition failed\n");
retval = -ENODEV;
- goto migrate_end;
+ return (retval);
}
dprintk("Transition successful after %d microseconds\n", i * 10);
- data->acpi_data.state = state;
-
- retval = 0;
-migrate_end:
- set_cpus_allowed(current, saved_mask);
+ perf->state = state;
return (retval);
}
@@ -230,8 +197,17 @@ acpi_cpufreq_target (
unsigned int relation)
{
struct cpufreq_acpi_io *data = acpi_io_data[policy->cpu];
+ struct acpi_processor_performance *perf;
+ struct cpufreq_freqs freqs;
+ cpumask_t online_policy_cpus;
+ cpumask_t saved_mask;
+ cpumask_t set_mask;
+ cpumask_t covered_cpus;
+ unsigned int cur_state = 0;
unsigned int next_state = 0;
unsigned int result = 0;
+ unsigned int j;
+ unsigned int tmp;
dprintk("acpi_cpufreq_setpolicy\n");
@@ -240,11 +216,95 @@ acpi_cpufreq_target (
target_freq,
relation,
&next_state);
- if (result)
+ if (unlikely(result))
return (result);
- result = acpi_processor_set_performance (data, policy->cpu, next_state);
+ perf = data->acpi_data;
+ cur_state = perf->state;
+ freqs.old = data->freq_table[cur_state].frequency;
+ freqs.new = data->freq_table[next_state].frequency;
+
+#ifdef CONFIG_HOTPLUG_CPU
+ /* cpufreq holds the hotplug lock, so we are safe from here on */
+ cpus_and(online_policy_cpus, cpu_online_map, policy->cpus);
+#else
+ online_policy_cpus = policy->cpus;
+#endif
+
+ for_each_cpu_mask(j, online_policy_cpus) {
+ freqs.cpu = j;
+ cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ }
+
+ /*
+ * We need to call driver->target() on all or any CPU in
+ * policy->cpus, depending on policy->shared_type.
+ */
+ saved_mask = current->cpus_allowed;
+ cpus_clear(covered_cpus);
+ for_each_cpu_mask(j, online_policy_cpus) {
+ /*
+ * Support for SMP systems.
+ * Make sure we are running on CPU that wants to change freq
+ */
+ cpus_clear(set_mask);
+ if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
+ cpus_or(set_mask, set_mask, online_policy_cpus);
+ else
+ cpu_set(j, set_mask);
+
+ set_cpus_allowed(current, set_mask);
+ if (unlikely(!cpu_isset(smp_processor_id(), set_mask))) {
+ dprintk("couldn't limit to CPUs in this domain\n");
+ result = -EAGAIN;
+ break;
+ }
+
+ result = acpi_processor_set_performance (data, j, next_state);
+ if (result) {
+ result = -EAGAIN;
+ break;
+ }
+
+ if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
+ break;
+
+ cpu_set(j, covered_cpus);
+ }
+
+ for_each_cpu_mask(j, online_policy_cpus) {
+ freqs.cpu = j;
+ cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ }
+ if (unlikely(result)) {
+ /*
+ * We have failed halfway through the frequency change.
+ * We have sent callbacks to online_policy_cpus and
+ * acpi_processor_set_performance() has been called on
+ * coverd_cpus. Best effort undo..
+ */
+
+ if (!cpus_empty(covered_cpus)) {
+ for_each_cpu_mask(j, covered_cpus) {
+ policy->cpu = j;
+ acpi_processor_set_performance (data,
+ j,
+ cur_state);
+ }
+ }
+
+ tmp = freqs.new;
+ freqs.new = freqs.old;
+ freqs.old = tmp;
+ for_each_cpu_mask(j, online_policy_cpus) {
+ freqs.cpu = j;
+ cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ }
+ }
+
+ set_cpus_allowed(current, saved_mask);
return (result);
}
@@ -270,30 +330,65 @@ acpi_cpufreq_guess_freq (
struct cpufreq_acpi_io *data,
unsigned int cpu)
{
+ struct acpi_processor_performance *perf = data->acpi_data;
+
if (cpu_khz) {
/* search the closest match to cpu_khz */
unsigned int i;
unsigned long freq;
- unsigned long freqn = data->acpi_data.states[0].core_frequency * 1000;
+ unsigned long freqn = perf->states[0].core_frequency * 1000;
- for (i=0; i < (data->acpi_data.state_count - 1); i++) {
+ for (i = 0; i < (perf->state_count - 1); i++) {
freq = freqn;
- freqn = data->acpi_data.states[i+1].core_frequency * 1000;
+ freqn = perf->states[i+1].core_frequency * 1000;
if ((2 * cpu_khz) > (freqn + freq)) {
- data->acpi_data.state = i;
+ perf->state = i;
return (freq);
}
}
- data->acpi_data.state = data->acpi_data.state_count - 1;
+ perf->state = perf->state_count - 1;
return (freqn);
- } else
+ } else {
/* assume CPU is at P0... */
- data->acpi_data.state = 0;
- return data->acpi_data.states[0].core_frequency * 1000;
-
+ perf->state = 0;
+ return perf->states[0].core_frequency * 1000;
+ }
}
+/*
+ * acpi_cpufreq_early_init - initialize ACPI P-States library
+ *
+ * Initialize the ACPI P-States library (drivers/acpi/processor_perflib.c)
+ * in order to determine correct frequency and voltage pairings. We can
+ * do _PDC and _PSD and find out the processor dependency for the
+ * actual init that will happen later...
+ */
+static int acpi_cpufreq_early_init_acpi(void)
+{
+ struct acpi_processor_performance *data;
+ unsigned int i, j;
+
+ dprintk("acpi_cpufreq_early_init\n");
+
+ for_each_cpu(i) {
+ data = kzalloc(sizeof(struct acpi_processor_performance),
+ GFP_KERNEL);
+ if (!data) {
+ for_each_cpu(j) {
+ kfree(acpi_perf_data[j]);
+ acpi_perf_data[j] = NULL;
+ }
+ return (-ENOMEM);
+ }
+ acpi_perf_data[i] = data;
+ }
+
+ /* Do initialization in ACPI core */
+ acpi_processor_preregister_performance(acpi_perf_data);
+ return 0;
+}
+
static int
acpi_cpufreq_cpu_init (
struct cpufreq_policy *policy)
@@ -303,41 +398,51 @@ acpi_cpufreq_cpu_init (
struct cpufreq_acpi_io *data;
unsigned int result = 0;
struct cpuinfo_x86 *c = &cpu_data[policy->cpu];
+ struct acpi_processor_performance *perf;
dprintk("acpi_cpufreq_cpu_init\n");
+ if (!acpi_perf_data[cpu])
+ return (-ENODEV);
+
data = kzalloc(sizeof(struct cpufreq_acpi_io), GFP_KERNEL);
if (!data)
return (-ENOMEM);
+ data->acpi_data = acpi_perf_data[cpu];
acpi_io_data[cpu] = data;
- result = acpi_processor_register_performance(&data->acpi_data, cpu);
+ result = acpi_processor_register_performance(data->acpi_data, cpu);
if (result)
goto err_free;
+ perf = data->acpi_data;
+ policy->cpus = perf->shared_cpu_map;
+ policy->shared_type = perf->shared_type;
+
if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS;
}
/* capability check */
- if (data->acpi_data.state_count <= 1) {
+ if (perf->state_count <= 1) {
dprintk("No P-States\n");
result = -ENODEV;
goto err_unreg;
}
- if ((data->acpi_data.control_register.space_id != ACPI_ADR_SPACE_SYSTEM_IO) ||
- (data->acpi_data.status_register.space_id != ACPI_ADR_SPACE_SYSTEM_IO)) {
+
+ if ((perf->control_register.space_id != ACPI_ADR_SPACE_SYSTEM_IO) ||
+ (perf->status_register.space_id != ACPI_ADR_SPACE_SYSTEM_IO)) {
dprintk("Unsupported address space [%d, %d]\n",
- (u32) (data->acpi_data.control_register.space_id),
- (u32) (data->acpi_data.status_register.space_id));
+ (u32) (perf->control_register.space_id),
+ (u32) (perf->status_register.space_id));
result = -ENODEV;
goto err_unreg;
}
/* alloc freq_table */
- data->freq_table = kmalloc(sizeof(struct cpufreq_frequency_table) * (data->acpi_data.state_count + 1), GFP_KERNEL);
+ data->freq_table = kmalloc(sizeof(struct cpufreq_frequency_table) * (perf->state_count + 1), GFP_KERNEL);
if (!data->freq_table) {
result = -ENOMEM;
goto err_unreg;
@@ -345,9 +450,9 @@ acpi_cpufreq_cpu_init (
/* detect transition latency */
policy->cpuinfo.transition_latency = 0;
- for (i=0; i<data->acpi_data.state_count; i++) {
- if ((data->acpi_data.states[i].transition_latency * 1000) > policy->cpuinfo.transition_latency)
- policy->cpuinfo.transition_latency = data->acpi_data.states[i].transition_latency * 1000;
+ for (i=0; i<perf->state_count; i++) {
+ if ((perf->states[i].transition_latency * 1000) > policy->cpuinfo.transition_latency)
+ policy->cpuinfo.transition_latency = perf->states[i].transition_latency * 1000;
}
policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
@@ -355,11 +460,11 @@ acpi_cpufreq_cpu_init (
policy->cur = acpi_cpufreq_guess_freq(data, policy->cpu);
/* table init */
- for (i=0; i<=data->acpi_data.state_count; i++)
+ for (i=0; i<=perf->state_count; i++)
{
data->freq_table[i].index = i;
- if (i<data->acpi_data.state_count)
- data->freq_table[i].frequency = data->acpi_data.states[i].core_frequency * 1000;
+ if (i<perf->state_count)
+ data->freq_table[i].frequency = perf->states[i].core_frequency * 1000;
else
data->freq_table[i].frequency = CPUFREQ_TABLE_END;
}
@@ -374,12 +479,12 @@ acpi_cpufreq_cpu_init (
printk(KERN_INFO "acpi-cpufreq: CPU%u - ACPI performance management activated.\n",
cpu);
- for (i = 0; i < data->acpi_data.state_count; i++)
+ for (i = 0; i < perf->state_count; i++)
dprintk(" %cP%d: %d MHz, %d mW, %d uS\n",
- (i == data->acpi_data.state?'*':' '), i,
- (u32) data->acpi_data.states[i].core_frequency,
- (u32) data->acpi_data.states[i].power,
- (u32) data->acpi_data.states[i].transition_latency);
+ (i == perf->state?'*':' '), i,
+ (u32) perf->states[i].core_frequency,
+ (u32) perf->states[i].power,
+ (u32) perf->states[i].transition_latency);
cpufreq_frequency_table_get_attr(data->freq_table, policy->cpu);
@@ -394,7 +499,7 @@ acpi_cpufreq_cpu_init (
err_freqfree:
kfree(data->freq_table);
err_unreg:
- acpi_processor_unregister_performance(&data->acpi_data, cpu);
+ acpi_processor_unregister_performance(perf, cpu);
err_free:
kfree(data);
acpi_io_data[cpu] = NULL;
@@ -415,7 +520,7 @@ acpi_cpufreq_cpu_exit (
if (data) {
cpufreq_frequency_table_put_attr(policy->cpu);
acpi_io_data[policy->cpu] = NULL;
- acpi_processor_unregister_performance(&data->acpi_data, policy->cpu);
+ acpi_processor_unregister_performance(data->acpi_data, policy->cpu);
kfree(data);
}
@@ -462,7 +567,10 @@ acpi_cpufreq_init (void)
dprintk("acpi_cpufreq_init\n");
- result = cpufreq_register_driver(&acpi_cpufreq_driver);
+ result = acpi_cpufreq_early_init_acpi();
+
+ if (!result)
+ result = cpufreq_register_driver(&acpi_cpufreq_driver);
return (result);
}
@@ -471,10 +579,15 @@ acpi_cpufreq_init (void)
static void __exit
acpi_cpufreq_exit (void)
{
+ unsigned int i;
dprintk("acpi_cpufreq_exit\n");
cpufreq_unregister_driver(&acpi_cpufreq_driver);
+ for_each_cpu(i) {
+ kfree(acpi_perf_data[i]);
+ acpi_perf_data[i] = NULL;
+ }
return;
}
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
index f1a82c5de1ba..31c3a5baaa7f 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -347,7 +347,36 @@ static unsigned int get_cur_freq(unsigned int cpu)
#ifdef CONFIG_X86_SPEEDSTEP_CENTRINO_ACPI
-static struct acpi_processor_performance p;
+static struct acpi_processor_performance *acpi_perf_data[NR_CPUS];
+
+/*
+ * centrino_cpu_early_init_acpi - Do the preregistering with ACPI P-States
+ * library
+ *
+ * Before doing the actual init, we need to do _PSD related setup whenever
+ * supported by the BIOS. These are handled by this early_init routine.
+ */
+static int centrino_cpu_early_init_acpi(void)
+{
+ unsigned int i, j;
+ struct acpi_processor_performance *data;
+
+ for_each_cpu(i) {
+ data = kzalloc(sizeof(struct acpi_processor_performance),
+ GFP_KERNEL);
+ if (!data) {
+ for_each_cpu(j) {
+ kfree(acpi_perf_data[j]);
+ acpi_perf_data[j] = NULL;
+ }
+ return (-ENOMEM);
+ }
+ acpi_perf_data[i] = data;
+ }
+
+ acpi_processor_preregister_performance(acpi_perf_data);
+ return 0;
+}
/*
* centrino_cpu_init_acpi - register with ACPI P-States library
@@ -361,46 +390,51 @@ static int centrino_cpu_init_acpi(struct cpufreq_policy *policy)
unsigned long cur_freq;
int result = 0, i;
unsigned int cpu = policy->cpu;
+ struct acpi_processor_performance *p;
+
+ p = acpi_perf_data[cpu];
/* register with ACPI core */
- if (acpi_processor_register_performance(&p, cpu)) {
- dprintk("obtaining ACPI data failed\n");
+ if (acpi_processor_register_performance(p, cpu)) {
+ dprintk(PFX "obtaining ACPI data failed\n");
return -EIO;
}
+ policy->cpus = p->shared_cpu_map;
+ policy->shared_type = p->shared_type;
/* verify the acpi_data */
- if (p.state_count <= 1) {
+ if (p->state_count <= 1) {
dprintk("No P-States\n");
result = -ENODEV;
goto err_unreg;
}
- if ((p.control_register.space_id != ACPI_ADR_SPACE_FIXED_HARDWARE) ||
- (p.status_register.space_id != ACPI_ADR_SPACE_FIXED_HARDWARE)) {
+ if ((p->control_register.space_id != ACPI_ADR_SPACE_FIXED_HARDWARE) ||
+ (p->status_register.space_id != ACPI_ADR_SPACE_FIXED_HARDWARE)) {
dprintk("Invalid control/status registers (%x - %x)\n",
- p.control_register.space_id, p.status_register.space_id);
+ p->control_register.space_id, p->status_register.space_id);
result = -EIO;
goto err_unreg;
}
- for (i=0; i<p.state_count; i++) {
- if (p.states[i].control != p.states[i].status) {
+ for (i=0; i<p->state_count; i++) {
+ if (p->states[i].control != p->states[i].status) {
dprintk("Different control (%llu) and status values (%llu)\n",
- p.states[i].control, p.states[i].status);
+ p->states[i].control, p->states[i].status);
result = -EINVAL;
goto err_unreg;
}
- if (!p.states[i].core_frequency) {
+ if (!p->states[i].core_frequency) {
dprintk("Zero core frequency for state %u\n", i);
result = -EINVAL;
goto err_unreg;
}
- if (p.states[i].core_frequency > p.states[0].core_frequency) {
+ if (p->states[i].core_frequency > p->states[0].core_frequency) {
dprintk("P%u has larger frequency (%llu) than P0 (%llu), skipping\n", i,
- p.states[i].core_frequency, p.states[0].core_frequency);
- p.states[i].core_frequency = 0;
+ p->states[i].core_frequency, p->states[0].core_frequency);
+ p->states[i].core_frequency = 0;
continue;
}
}
@@ -412,26 +446,26 @@ static int centrino_cpu_init_acpi(struct cpufreq_policy *policy)
}
centrino_model[cpu]->model_name=NULL;
- centrino_model[cpu]->max_freq = p.states[0].core_frequency * 1000;
+ centrino_model[cpu]->max_freq = p->states[0].core_frequency * 1000;
centrino_model[cpu]->op_points = kmalloc(sizeof(struct cpufreq_frequency_table) *
- (p.state_count + 1), GFP_KERNEL);
+ (p->state_count + 1), GFP_KERNEL);
if (!centrino_model[cpu]->op_points) {
result = -ENOMEM;
goto err_kfree;
}
- for (i=0; i<p.state_count; i++) {
- centrino_model[cpu]->op_points[i].index = p.states[i].control;
- centrino_model[cpu]->op_points[i].frequency = p.states[i].core_frequency * 1000;
+ for (i=0; i<p->state_count; i++) {
+ centrino_model[cpu]->op_points[i].index = p->states[i].control;
+ centrino_model[cpu]->op_points[i].frequency = p->states[i].core_frequency * 1000;
dprintk("adding state %i with frequency %u and control value %04x\n",
i, centrino_model[cpu]->op_points[i].frequency, centrino_model[cpu]->op_points[i].index);
}
- centrino_model[cpu]->op_points[p.state_count].frequency = CPUFREQ_TABLE_END;
+ centrino_model[cpu]->op_points[p->state_count].frequency = CPUFREQ_TABLE_END;
cur_freq = get_cur_freq(cpu);
- for (i=0; i<p.state_count; i++) {
- if (!p.states[i].core_frequency) {
+ for (i=0; i<p->state_count; i++) {
+ if (!p->states[i].core_frequency) {
dprintk("skipping state %u\n", i);
centrino_model[cpu]->op_points[i].frequency = CPUFREQ_ENTRY_INVALID;
continue;
@@ -447,7 +481,7 @@ static int centrino_cpu_init_acpi(struct cpufreq_policy *policy)
}
if (cur_freq == centrino_model[cpu]->op_points[i].frequency)
- p.state = i;
+ p->state = i;
}
/* notify BIOS that we exist */
@@ -460,12 +494,13 @@ static int centrino_cpu_init_acpi(struct cpufreq_policy *policy)
err_kfree:
kfree(centrino_model[cpu]);
err_unreg:
- acpi_processor_unregister_performance(&p, cpu);
- dprintk("invalid ACPI data\n");
+ acpi_processor_unregister_performance(p, cpu);
+ dprintk(PFX "invalid ACPI data\n");
return (result);
}
#else
static inline int centrino_cpu_init_acpi(struct cpufreq_policy *policy) { return -ENODEV; }
+static inline int centrino_cpu_early_init_acpi(void) { return 0; }
#endif
static int centrino_cpu_init(struct cpufreq_policy *policy)
@@ -551,10 +586,15 @@ static int centrino_cpu_exit(struct cpufreq_policy *policy)
#ifdef CONFIG_X86_SPEEDSTEP_CENTRINO_ACPI
if (!centrino_model[cpu]->model_name) {
- dprintk("unregistering and freeing ACPI data\n");
- acpi_processor_unregister_performance(&p, cpu);
- kfree(centrino_model[cpu]->op_points);
- kfree(centrino_model[cpu]);
+ static struct acpi_processor_performance *p;
+
+ if (acpi_perf_data[cpu]) {
+ p = acpi_perf_data[cpu];
+ dprintk("unregistering and freeing ACPI data\n");
+ acpi_processor_unregister_performance(p, cpu);
+ kfree(centrino_model[cpu]->op_points);
+ kfree(centrino_model[cpu]);
+ }
}
#endif
@@ -588,63 +628,128 @@ static int centrino_target (struct cpufreq_policy *policy,
unsigned int relation)
{
unsigned int newstate = 0;
- unsigned int msr, oldmsr, h, cpu = policy->cpu;
+ unsigned int msr, oldmsr = 0, h = 0, cpu = policy->cpu;
struct cpufreq_freqs freqs;
+ cpumask_t online_policy_cpus;
cpumask_t saved_mask;
- int retval;
+ cpumask_t set_mask;
+ cpumask_t covered_cpus;
+ int retval = 0;
+ unsigned int j, k, first_cpu, tmp;
- if (centrino_model[cpu] == NULL)
+ if (unlikely(centrino_model[cpu] == NULL))
return -ENODEV;
- /*
- * Support for SMP systems.
- * Make sure we are running on the CPU that wants to change frequency
- */
- saved_mask = current->cpus_allowed;
- set_cpus_allowed(current, policy->cpus);
- if (!cpu_isset(smp_processor_id(), policy->cpus)) {
- dprintk("couldn't limit to CPUs in this domain\n");
- return(-EAGAIN);
+ if (unlikely(cpufreq_frequency_table_target(policy,
+ centrino_model[cpu]->op_points,
+ target_freq,
+ relation,
+ &newstate))) {
+ return -EINVAL;
}
- if (cpufreq_frequency_table_target(policy, centrino_model[cpu]->op_points, target_freq,
- relation, &newstate)) {
- retval = -EINVAL;
- goto migrate_end;
- }
+#ifdef CONFIG_HOTPLUG_CPU
+ /* cpufreq holds the hotplug lock, so we are safe from here on */
+ cpus_and(online_policy_cpus, cpu_online_map, policy->cpus);
+#else
+ online_policy_cpus = policy->cpus;
+#endif
- msr = centrino_model[cpu]->op_points[newstate].index;
- rdmsr(MSR_IA32_PERF_CTL, oldmsr, h);
+ saved_mask = current->cpus_allowed;
+ first_cpu = 1;
+ cpus_clear(covered_cpus);
+ for_each_cpu_mask(j, online_policy_cpus) {
+ /*
+ * Support for SMP systems.
+ * Make sure we are running on CPU that wants to change freq
+ */
+ cpus_clear(set_mask);
+ if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
+ cpus_or(set_mask, set_mask, online_policy_cpus);
+ else
+ cpu_set(j, set_mask);
+
+ set_cpus_allowed(current, set_mask);
+ if (unlikely(!cpu_isset(smp_processor_id(), set_mask))) {
+ dprintk("couldn't limit to CPUs in this domain\n");
+ retval = -EAGAIN;
+ if (first_cpu) {
+ /* We haven't started the transition yet. */
+ goto migrate_end;
+ }
+ break;
+ }
- if (msr == (oldmsr & 0xffff)) {
- retval = 0;
- dprintk("no change needed - msr was and needs to be %x\n", oldmsr);
- goto migrate_end;
- }
+ msr = centrino_model[cpu]->op_points[newstate].index;
+
+ if (first_cpu) {
+ rdmsr(MSR_IA32_PERF_CTL, oldmsr, h);
+ if (msr == (oldmsr & 0xffff)) {
+ dprintk("no change needed - msr was and needs "
+ "to be %x\n", oldmsr);
+ retval = 0;
+ goto migrate_end;
+ }
+
+ freqs.old = extract_clock(oldmsr, cpu, 0);
+ freqs.new = extract_clock(msr, cpu, 0);
+
+ dprintk("target=%dkHz old=%d new=%d msr=%04x\n",
+ target_freq, freqs.old, freqs.new, msr);
+
+ for_each_cpu_mask(k, online_policy_cpus) {
+ freqs.cpu = k;
+ cpufreq_notify_transition(&freqs,
+ CPUFREQ_PRECHANGE);
+ }
+
+ first_cpu = 0;
+ /* all but 16 LSB are reserved, treat them with care */
+ oldmsr &= ~0xffff;
+ msr &= 0xffff;
+ oldmsr |= msr;
+ }
- freqs.cpu = cpu;
- freqs.old = extract_clock(oldmsr, cpu, 0);
- freqs.new = extract_clock(msr, cpu, 0);
+ wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
+ if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
+ break;
- dprintk("target=%dkHz old=%d new=%d msr=%04x\n",
- target_freq, freqs.old, freqs.new, msr);
+ cpu_set(j, covered_cpus);
+ }
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ for_each_cpu_mask(k, online_policy_cpus) {
+ freqs.cpu = k;
+ cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ }
- /* all but 16 LSB are "reserved", so treat them with
- care */
- oldmsr &= ~0xffff;
- msr &= 0xffff;
- oldmsr |= msr;
+ if (unlikely(retval)) {
+ /*
+ * We have failed halfway through the frequency change.
+ * We have sent callbacks to policy->cpus and
+ * MSRs have already been written on coverd_cpus.
+ * Best effort undo..
+ */
- wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
+ if (!cpus_empty(covered_cpus)) {
+ for_each_cpu_mask(j, covered_cpus) {
+ set_cpus_allowed(current, cpumask_of_cpu(j));
+ wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
+ }
+ }
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ tmp = freqs.new;
+ freqs.new = freqs.old;
+ freqs.old = tmp;
+ for_each_cpu_mask(j, online_policy_cpus) {
+ freqs.cpu = j;
+ cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ }
+ }
- retval = 0;
migrate_end:
set_cpus_allowed(current, saved_mask);
- return (retval);
+ return 0;
}
static struct freq_attr* centrino_attr[] = {
@@ -686,12 +791,25 @@ static int __init centrino_init(void)
if (!cpu_has(cpu, X86_FEATURE_EST))
return -ENODEV;
+ centrino_cpu_early_init_acpi();
+
return cpufreq_register_driver(&centrino_driver);
}
static void __exit centrino_exit(void)
{
+#ifdef CONFIG_X86_SPEEDSTEP_CENTRINO_ACPI
+ unsigned int j;
+#endif
+
cpufreq_unregister_driver(&centrino_driver);
+
+#ifdef CONFIG_X86_SPEEDSTEP_CENTRINO_ACPI
+ for_each_cpu(j) {
+ kfree(acpi_perf_data[j]);
+ acpi_perf_data[j] = NULL;
+ }
+#endif
}
MODULE_AUTHOR ("Jeremy Fitzhardinge <jeremy@goop.org>");
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index c1c9b4224081..fbb25b00629b 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -77,6 +77,7 @@ choice
config IA64_GENERIC
bool "generic"
select ACPI
+ select PCI
select NUMA
select ACPI_NUMA
help
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index 3ce443e6c016..5825ddee58d6 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -1999,7 +1999,7 @@ acpi_sba_ioc_add(struct acpi_device *device)
if (!iovp_shift)
iovp_shift = min(PAGE_SHIFT, 16);
}
- ACPI_MEM_FREE(dev_info);
+ kfree(dev_info);
/*
* default anything not caught above or specified on cmdline to 4k
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index d1c52cf67882..6ea642beaaee 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -68,8 +68,6 @@ EXPORT_SYMBOL(pm_power_off);
unsigned char acpi_kbd_controller_present = 1;
unsigned char acpi_legacy_devices;
-static unsigned int __initdata acpi_madt_rev;
-
unsigned int acpi_cpei_override;
unsigned int acpi_cpei_phys_cpuid;
@@ -243,6 +241,8 @@ acpi_parse_iosapic(acpi_table_entry_header * header, const unsigned long end)
return iosapic_init(iosapic->address, iosapic->global_irq_base);
}
+static unsigned int __initdata acpi_madt_rev;
+
static int __init
acpi_parse_plat_int_src(acpi_table_entry_header * header,
const unsigned long end)
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index cafa8776a53d..11f08001f8c2 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -671,9 +671,11 @@ int add_memory(u64 start, u64 size)
return ret;
}
+EXPORT_SYMBOL_GPL(add_memory);
int remove_memory(u64 start, u64 size)
{
return -EINVAL;
}
+EXPORT_SYMBOL_GPL(remove_memory);
#endif
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 7d3bc5ac5db0..af44130f0d65 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -299,6 +299,7 @@ config X86_64_ACPI_NUMA
bool "ACPI NUMA detection"
depends on NUMA
select ACPI
+ select PCI
select ACPI_NUMA
default y
help
diff --git a/arch/x86_64/kernel/acpi/Makefile b/arch/x86_64/kernel/acpi/Makefile
index 4fe97071f297..080b9963f1bc 100644
--- a/arch/x86_64/kernel/acpi/Makefile
+++ b/arch/x86_64/kernel/acpi/Makefile
@@ -4,5 +4,6 @@ obj-$(CONFIG_ACPI_SLEEP) += sleep.o wakeup.o
ifneq ($(CONFIG_ACPI_PROCESSOR),)
obj-y += processor.o
+processor-y := ../../../i386/kernel/acpi/processor.o ../../../i386/kernel/acpi/cstate.o
endif
diff --git a/arch/x86_64/kernel/acpi/processor.c b/arch/x86_64/kernel/acpi/processor.c
deleted file mode 100644
index 3bdc2baa5bb1..000000000000
--- a/arch/x86_64/kernel/acpi/processor.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * arch/x86_64/kernel/acpi/processor.c
- *
- * Copyright (C) 2005 Intel Corporation
- * Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
- * - Added _PDC for platforms with Intel CPUs
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/acpi.h>
-
-#include <acpi/processor.h>
-#include <asm/acpi.h>
-
-static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
-{
- struct acpi_object_list *obj_list;
- union acpi_object *obj;
- u32 *buf;
-
- /* allocate and initialize pdc. It will be used later. */
- obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
- if (!obj_list) {
- printk(KERN_ERR "Memory allocation error\n");
- return;
- }
-
- obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
- if (!obj) {
- printk(KERN_ERR "Memory allocation error\n");
- kfree(obj_list);
- return;
- }
-
- buf = kmalloc(12, GFP_KERNEL);
- if (!buf) {
- printk(KERN_ERR "Memory allocation error\n");
- kfree(obj);
- kfree(obj_list);
- return;
- }
-
- buf[0] = ACPI_PDC_REVISION_ID;
- buf[1] = 1;
- buf[2] = ACPI_PDC_EST_CAPABILITY_SMP;
-
- obj->type = ACPI_TYPE_BUFFER;
- obj->buffer.length = 12;
- obj->buffer.pointer = (u8 *) buf;
- obj_list->count = 1;
- obj_list->pointer = obj;
- pr->pdc = obj_list;
-
- return;
-}
-
-/* Initialize _PDC data based on the CPU vendor */
-void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
-{
- unsigned int cpu = pr->id;
- struct cpuinfo_x86 *c = cpu_data + cpu;
-
- pr->pdc = NULL;
- if (c->x86_vendor == X86_VENDOR_INTEL && cpu_has(c, X86_FEATURE_EST))
- init_intel_pdc(pr, c);
-
- return;
-}
-
-EXPORT_SYMBOL(arch_acpi_processor_init_pdc);
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 230c53852231..94b8d820c512 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -10,9 +10,8 @@ menu "ACPI (Advanced Configuration and Power Interface) Support"
config ACPI
bool "ACPI Support"
depends on IA64 || X86
+ depends on PCI
select PM
- select PCI
-
default y
---help---
Advanced Configuration and Power Interface (ACPI) support for
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index d882bf87fa96..e0a95ba72371 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -74,7 +74,7 @@ struct acpi_memory_device {
unsigned short caching; /* memory cache attribute */
unsigned short write_protect; /* memory read/write attribute */
u64 start_addr; /* Memory Range start physical addr */
- u64 end_addr; /* Memory Range end physical addr */
+ u64 length; /* Memory Range length */
};
static int
@@ -97,12 +97,11 @@ acpi_memory_get_device_resources(struct acpi_memory_device *mem_device)
if (ACPI_SUCCESS(status)) {
if (address64.resource_type == ACPI_MEMORY_RANGE) {
/* Populate the structure */
- mem_device->caching =
- address64.info.mem.caching;
+ mem_device->caching = address64.info.mem.caching;
mem_device->write_protect =
address64.info.mem.write_protect;
mem_device->start_addr = address64.minimum;
- mem_device->end_addr = address64.maximum;
+ mem_device->length = address64.address_length;
}
}
@@ -199,8 +198,7 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
* Tell the VM there is more memory here...
* Note: Assume that this function returns zero on success
*/
- result = add_memory(mem_device->start_addr,
- (mem_device->end_addr - mem_device->start_addr) + 1);
+ result = add_memory(mem_device->start_addr, mem_device->length);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "\nadd_memory failed\n"));
mem_device->state = MEMORY_INVALID_STATE;
@@ -249,7 +247,7 @@ static int acpi_memory_disable_device(struct acpi_memory_device *mem_device)
{
int result;
u64 start = mem_device->start_addr;
- u64 len = mem_device->end_addr - start + 1;
+ u64 len = mem_device->length;
ACPI_FUNCTION_TRACE("acpi_memory_disable_device");
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index f4c87750dbf2..839f423d738d 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -817,7 +817,7 @@ typedef int (proc_writefunc) (struct file * file, const char __user * buffer,
unsigned long count, void *data);
static int
-__init asus_proc_add(char *name, proc_writefunc * writefunc,
+asus_proc_add(char *name, proc_writefunc * writefunc,
proc_readfunc * readfunc, mode_t mode,
struct acpi_device *device)
{
@@ -836,7 +836,7 @@ __init asus_proc_add(char *name, proc_writefunc * writefunc,
return 0;
}
-static int __init asus_hotk_add_fs(struct acpi_device *device)
+static int asus_hotk_add_fs(struct acpi_device *device)
{
struct proc_dir_entry *proc;
mode_t mode;
@@ -954,7 +954,7 @@ static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
* This function is used to initialize the hotk with right values. In this
* method, we can make all the detection we want, and modify the hotk struct
*/
-static int __init asus_hotk_get_info(void)
+static int asus_hotk_get_info(void)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL };
@@ -970,7 +970,7 @@ static int __init asus_hotk_get_info(void)
* HID), this bit will be moved. A global variable asus_info contains
* the DSDT header.
*/
- status = acpi_get_table(ACPI_TABLE_DSDT, 1, &dsdt);
+ status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt);
if (ACPI_FAILURE(status))
printk(KERN_WARNING " Couldn't get the DSDT table header\n");
else
@@ -1101,7 +1101,7 @@ static int __init asus_hotk_get_info(void)
return AE_OK;
}
-static int __init asus_hotk_check(void)
+static int asus_hotk_check(void)
{
int result = 0;
@@ -1119,7 +1119,9 @@ static int __init asus_hotk_check(void)
return result;
}
-static int __init asus_hotk_add(struct acpi_device *device)
+static int asus_hotk_found;
+
+static int asus_hotk_add(struct acpi_device *device)
{
acpi_status status = AE_OK;
int result;
@@ -1180,6 +1182,8 @@ static int __init asus_hotk_add(struct acpi_device *device)
}
}
+ asus_hotk_found = 1;
+
end:
if (result) {
kfree(hotk);
@@ -1226,12 +1230,24 @@ static int __init asus_acpi_init(void)
asus_proc_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&asus_hotk_driver);
- if (result < 1) {
- acpi_bus_unregister_driver(&asus_hotk_driver);
+ if (result < 0) {
remove_proc_entry(PROC_ASUS, acpi_root_dir);
return -ENODEV;
}
+ /*
+ * This is a bit of a kludge. We only want this module loaded
+ * for ASUS systems, but there's currently no way to probe the
+ * ACPI namespace for ASUS HIDs. So we just return failure if
+ * we didn't find one, which will cause the module to be
+ * unloaded.
+ */
+ if (!asus_hotk_found) {
+ acpi_bus_unregister_driver(&asus_hotk_driver);
+ remove_proc_entry(PROC_ASUS, acpi_root_dir);
+ return result;
+ }
+
return 0;
}
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 606f8733a776..dd3983cece92 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -43,7 +43,7 @@ ACPI_MODULE_NAME("acpi_bus")
extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger);
#endif
-FADT_DESCRIPTOR acpi_fadt;
+struct fadt_descriptor acpi_fadt;
EXPORT_SYMBOL(acpi_fadt);
struct acpi_device *acpi_root;
@@ -205,12 +205,14 @@ int acpi_bus_set_power(acpi_handle handle, int state)
* Get device's current power state if it's unknown
* This means device power state isn't initialized or previous setting failed
*/
- if (device->power.state == ACPI_STATE_UNKNOWN)
- acpi_bus_get_power(device->handle, &device->power.state);
- if (state == device->power.state) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
- state));
- return_VALUE(0);
+ if (!device->flags.force_power_state) {
+ if (device->power.state == ACPI_STATE_UNKNOWN)
+ acpi_bus_get_power(device->handle, &device->power.state);
+ if (state == device->power.state) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
+ state));
+ return_VALUE(0);
+ }
}
if (!device->power.states[state].flags.valid) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Device does not support D%d\n",
@@ -596,6 +598,8 @@ void __init acpi_early_init(void)
if (acpi_disabled)
return_VOID;
+ printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION);
+
/* enable workarounds, unless strict ACPI spec. compliance */
if (!acpi_strict)
acpi_gbl_enable_interpreter_slack = TRUE;
@@ -617,7 +621,7 @@ void __init acpi_early_init(void)
/*
* Get a separate copy of the FADT for use by other drivers.
*/
- status = acpi_get_table(ACPI_TABLE_FADT, 1, &buffer);
+ status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &buffer);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR PREFIX "Unable to get the FADT\n");
goto error0;
@@ -743,8 +747,6 @@ static int __init acpi_init(void)
ACPI_FUNCTION_TRACE("acpi_init");
- printk(KERN_INFO PREFIX "Subsystem revision %08x\n", ACPI_CA_VERSION);
-
if (acpi_disabled) {
printk(KERN_INFO PREFIX "Interpreter disabled.\n");
return_VALUE(-ENODEV);
diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c
index 76bc0463f6de..a6d77efb41a0 100644
--- a/drivers/acpi/dispatcher/dsfield.c
+++ b/drivers/acpi/dispatcher/dsfield.c
@@ -87,7 +87,7 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op,
union acpi_operand_object *second_desc = NULL;
u32 flags;
- ACPI_FUNCTION_TRACE("ds_create_buffer_field");
+ ACPI_FUNCTION_TRACE(ds_create_buffer_field);
/* Get the name_string argument */
@@ -210,7 +210,7 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info,
acpi_status status;
acpi_integer position;
- ACPI_FUNCTION_TRACE_PTR("ds_get_field_names", info);
+ ACPI_FUNCTION_TRACE_PTR(ds_get_field_names, info);
/* First field starts at bit zero */
@@ -342,7 +342,7 @@ acpi_ds_create_field(union acpi_parse_object *op,
union acpi_parse_object *arg;
struct acpi_create_field_info info;
- ACPI_FUNCTION_TRACE_PTR("ds_create_field", op);
+ ACPI_FUNCTION_TRACE_PTR(ds_create_field, op);
/* First arg is the name of the parent op_region (must already exist) */
@@ -399,7 +399,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
struct acpi_namespace_node *node;
u8 type = 0;
- ACPI_FUNCTION_TRACE_PTR("ds_init_field_objects", op);
+ ACPI_FUNCTION_TRACE_PTR(ds_init_field_objects, op);
switch (walk_state->opcode) {
case AML_FIELD_OP:
@@ -425,6 +425,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
* Walk the list of entries in the field_list
*/
while (arg) {
+
/* Ignore OFFSET and ACCESSAS terms here */
if (arg->common.aml_opcode == AML_INT_NAMEDFIELD_OP) {
@@ -481,7 +482,7 @@ acpi_ds_create_bank_field(union acpi_parse_object *op,
union acpi_parse_object *arg;
struct acpi_create_field_info info;
- ACPI_FUNCTION_TRACE_PTR("ds_create_bank_field", op);
+ ACPI_FUNCTION_TRACE_PTR(ds_create_bank_field, op);
/* First arg is the name of the parent op_region (must already exist) */
@@ -554,7 +555,7 @@ acpi_ds_create_index_field(union acpi_parse_object *op,
union acpi_parse_object *arg;
struct acpi_create_field_info info;
- ACPI_FUNCTION_TRACE_PTR("ds_create_index_field", op);
+ ACPI_FUNCTION_TRACE_PTR(ds_create_index_field, op);
/* First arg is the name of the Index register (must already exist) */
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index e65a07ad2422..bbdf990e9f65 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -184,7 +184,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
*
* RETURN: Status
*
- * DESCRIPTION: Walk the namespace starting at "start_node" and perform any
+ * DESCRIPTION: Walk the namespace starting at "StartNode" and perform any
* necessary initialization on the objects found therein
*
******************************************************************************/
@@ -196,7 +196,7 @@ acpi_ds_initialize_objects(struct acpi_table_desc * table_desc,
acpi_status status;
struct acpi_init_walk_info info;
- ACPI_FUNCTION_TRACE("ds_initialize_objects");
+ ACPI_FUNCTION_TRACE(ds_initialize_objects);
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"**** Starting initialization of namespace objects ****\n"));
@@ -213,7 +213,7 @@ acpi_ds_initialize_objects(struct acpi_table_desc * table_desc,
status = acpi_walk_namespace(ACPI_TYPE_ANY, start_node, ACPI_UINT32_MAX,
acpi_ds_init_one_object, &info, NULL);
if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "During walk_namespace"));
+ ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index c475546535b6..bc9aca4e7401 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -81,6 +81,7 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state)
/* Invoke the global exception handler */
if (acpi_gbl_exception_handler) {
+
/* Exit the interpreter, allow handler to execute methods */
acpi_ex_exit_interpreter();
@@ -100,6 +101,7 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state)
}
#ifdef ACPI_DISASSEMBLER
if (ACPI_FAILURE(status)) {
+
/* Display method locals/args if disassembler is present */
acpi_dm_dump_method_info(status, walk_state, walk_state->op);
@@ -132,7 +134,7 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node,
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE_PTR("ds_begin_method_execution", method_node);
+ ACPI_FUNCTION_TRACE_PTR(ds_begin_method_execution, method_node);
if (!method_node) {
return_ACPI_STATUS(AE_NULL_ENTRY);
@@ -168,11 +170,14 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node,
/*
* Get a unit from the method semaphore. This releases the
- * interpreter if we block
+ * interpreter if we block (then reacquires it)
*/
status =
acpi_ex_system_wait_semaphore(obj_desc->method.semaphore,
ACPI_WAIT_FOREVER);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
}
/*
@@ -183,7 +188,7 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node,
if (!obj_desc->method.owner_id) {
status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ goto cleanup;
}
}
@@ -193,6 +198,14 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node,
*/
obj_desc->method.thread_count++;
return_ACPI_STATUS(status);
+
+ cleanup:
+ /* On error, must signal the method semaphore if present */
+
+ if (obj_desc->method.semaphore) {
+ (void)acpi_os_signal_semaphore(obj_desc->method.semaphore, 1);
+ }
+ return_ACPI_STATUS(status);
}
/*******************************************************************************
@@ -218,10 +231,10 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
struct acpi_namespace_node *method_node;
struct acpi_walk_state *next_walk_state = NULL;
union acpi_operand_object *obj_desc;
- struct acpi_parameter_info info;
+ struct acpi_evaluate_info *info;
u32 i;
- ACPI_FUNCTION_TRACE_PTR("ds_call_control_method", this_walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ds_call_control_method, this_walk_state);
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"Execute method %p, currentstate=%p\n",
@@ -240,25 +253,31 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
return_ACPI_STATUS(AE_NULL_OBJECT);
}
- /* Init for new method, wait on concurrency semaphore */
+ /* Init for new method, possibly wait on concurrency semaphore */
status = acpi_ds_begin_method_execution(method_node, obj_desc,
this_walk_state->method_node);
if (ACPI_FAILURE(status)) {
- goto cleanup;
+ return_ACPI_STATUS(status);
}
+ /*
+ * 1) Parse the method. All "normal" methods are parsed for each execution.
+ * Internal methods (_OSI, etc.) do not require parsing.
+ */
if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) {
- /* 1) Parse: Create a new walk state for the preempting walk */
+
+ /* Create a new walk state for the parse */
next_walk_state =
acpi_ds_create_walk_state(obj_desc->method.owner_id, op,
obj_desc, NULL);
if (!next_walk_state) {
- return_ACPI_STATUS(AE_NO_MEMORY);
+ status = AE_NO_MEMORY;
+ goto cleanup;
}
- /* Create and init a Root Node */
+ /* Create and init a parse tree root */
op = acpi_ps_create_scope_op();
if (!op) {
@@ -271,17 +290,20 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
obj_desc->method.aml_length,
NULL, 1);
if (ACPI_FAILURE(status)) {
- acpi_ds_delete_walk_state(next_walk_state);
+ acpi_ps_delete_parse_tree(op);
goto cleanup;
}
- /* Begin AML parse */
+ /* Begin AML parse (deletes next_walk_state) */
status = acpi_ps_parse_aml(next_walk_state);
acpi_ps_delete_parse_tree(op);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
}
- /* 2) Execute: Create a new state for the preempting walk */
+ /* 2) Begin method execution. Create a new walk state */
next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id,
NULL, obj_desc, thread);
@@ -289,6 +311,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
status = AE_NO_MEMORY;
goto cleanup;
}
+
/*
* The resolved arguments were put on the previous walk state's operand
* stack. Operands on the previous walk state stack always
@@ -296,12 +319,24 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
*/
this_walk_state->operands[this_walk_state->num_operands] = NULL;
- info.parameters = &this_walk_state->operands[0];
- info.parameter_type = ACPI_PARAM_ARGS;
+ /*
+ * Allocate and initialize the evaluation information block
+ * TBD: this is somewhat inefficient, should change interface to
+ * ds_init_aml_walk. For now, keeps this struct off the CPU stack
+ */
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ info->parameters = &this_walk_state->operands[0];
+ info->parameter_type = ACPI_PARAM_ARGS;
status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node,
obj_desc->method.aml_start,
- obj_desc->method.aml_length, &info, 3);
+ obj_desc->method.aml_length, info, 3);
+
+ ACPI_FREE(info);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
@@ -323,6 +358,8 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
"Starting nested execution, newstate=%p\n",
next_walk_state));
+ /* Invoke an internal method if necessary */
+
if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
status = obj_desc->method.implementation(next_walk_state);
}
@@ -330,16 +367,14 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
return_ACPI_STATUS(status);
cleanup:
- /* Decrement the thread count on the method parse tree */
- if (next_walk_state && (next_walk_state->method_desc)) {
- next_walk_state->method_desc->method.thread_count--;
- }
+ /* On error, we must terminate the method properly */
- /* On error, we must delete the new walk state */
+ acpi_ds_terminate_control_method(obj_desc, next_walk_state);
+ if (next_walk_state) {
+ acpi_ds_delete_walk_state(next_walk_state);
+ }
- acpi_ds_terminate_control_method(next_walk_state);
- acpi_ds_delete_walk_state(next_walk_state);
return_ACPI_STATUS(status);
}
@@ -362,25 +397,33 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
union acpi_operand_object *return_desc)
{
acpi_status status;
+ int same_as_implicit_return;
- ACPI_FUNCTION_TRACE_PTR("ds_restart_control_method", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ds_restart_control_method, walk_state);
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "****Restart [%4.4s] Op %p return_value_from_callee %p\n",
+ "****Restart [%4.4s] Op %p ReturnValueFromCallee %p\n",
(char *)&walk_state->method_node->name,
walk_state->method_call_op, return_desc));
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- " return_from_this_method_used?=%X res_stack %p Walk %p\n",
+ " ReturnFromThisMethodUsed?=%X ResStack %p Walk %p\n",
walk_state->return_used,
walk_state->results, walk_state));
/* Did the called method return a value? */
if (return_desc) {
+
+ /* Is the implicit return object the same as the return desc? */
+
+ same_as_implicit_return =
+ (walk_state->implicit_return_obj == return_desc);
+
/* Are we actually going to use the return value? */
if (walk_state->return_used) {
+
/* Save the return value from the previous method */
status = acpi_ds_result_push(return_desc, walk_state);
@@ -397,18 +440,23 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
}
/*
- * The following code is the
- * optional support for a so-called "implicit return". Some AML code
- * assumes that the last value of the method is "implicitly" returned
- * to the caller. Just save the last result as the return value.
+ * The following code is the optional support for the so-called
+ * "implicit return". Some AML code assumes that the last value of the
+ * method is "implicitly" returned to the caller, in the absence of an
+ * explicit return value.
+ *
+ * Just save the last result of the method as the return value.
+ *
* NOTE: this is optional because the ASL language does not actually
* support this behavior.
*/
else if (!acpi_ds_do_implicit_return
- (return_desc, walk_state, FALSE)) {
+ (return_desc, walk_state, FALSE)
+ || same_as_implicit_return) {
/*
* Delete the return value if it will not be used by the
- * calling method
+ * calling method or remove one reference if the explicit return
+ * is the same as the implicit return value.
*/
acpi_ut_remove_reference(return_desc);
}
@@ -421,7 +469,8 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
*
* FUNCTION: acpi_ds_terminate_control_method
*
- * PARAMETERS: walk_state - State of the method
+ * PARAMETERS: method_desc - Method object
+ * walk_state - State associated with the method
*
* RETURN: None
*
@@ -431,95 +480,100 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
*
******************************************************************************/
-void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
+void
+acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
+ struct acpi_walk_state *walk_state)
{
- union acpi_operand_object *obj_desc;
struct acpi_namespace_node *method_node;
acpi_status status;
- ACPI_FUNCTION_TRACE_PTR("ds_terminate_control_method", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ds_terminate_control_method, walk_state);
- if (!walk_state) {
- return_VOID;
- }
+ /* method_desc is required, walk_state is optional */
- /* The current method object was saved in the walk state */
-
- obj_desc = walk_state->method_desc;
- if (!obj_desc) {
+ if (!method_desc) {
return_VOID;
}
- /* Delete all arguments and locals */
+ if (walk_state) {
- acpi_ds_method_data_delete_all(walk_state);
+ /* Delete all arguments and locals */
+
+ acpi_ds_method_data_delete_all(walk_state);
+ }
/*
* Lock the parser while we terminate this method.
* If this is the last thread executing the method,
* we have additional cleanup to perform
*/
- status = acpi_ut_acquire_mutex(ACPI_MTX_PARSER);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CONTROL_METHOD);
if (ACPI_FAILURE(status)) {
return_VOID;
}
/* Signal completion of the execution of this method if necessary */
- if (walk_state->method_desc->method.semaphore) {
+ if (method_desc->method.semaphore) {
status =
- acpi_os_signal_semaphore(walk_state->method_desc->method.
- semaphore, 1);
+ acpi_os_signal_semaphore(method_desc->method.semaphore, 1);
if (ACPI_FAILURE(status)) {
- ACPI_ERROR((AE_INFO,
- "Could not signal method semaphore"));
- /* Ignore error and continue cleanup */
+ /* Ignore error and continue */
+
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not signal method semaphore"));
}
}
- /*
- * There are no more threads executing this method. Perform
- * additional cleanup.
- *
- * The method Node is stored in the walk state
- */
- method_node = walk_state->method_node;
+ if (walk_state) {
+ /*
+ * Delete any objects created by this method during execution.
+ * The method Node is stored in the walk state
+ */
+ method_node = walk_state->method_node;
- /* Lock namespace for possible update */
+ /* Lock namespace for possible update */
- status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE(status)) {
- goto exit;
- }
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ goto exit;
+ }
- /*
- * Delete any namespace entries created immediately underneath
- * the method
- */
- if (method_node->child) {
- acpi_ns_delete_namespace_subtree(method_node);
+ /*
+ * Delete any namespace entries created immediately underneath
+ * the method
+ */
+ if (method_node && method_node->child) {
+ acpi_ns_delete_namespace_subtree(method_node);
+ }
+
+ /*
+ * Delete any namespace entries created anywhere else within
+ * the namespace by the execution of this method
+ */
+ acpi_ns_delete_namespace_by_owner(method_desc->method.owner_id);
+ status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
}
- /*
- * Delete any namespace entries created anywhere else within
- * the namespace by the execution of this method
- */
- acpi_ns_delete_namespace_by_owner(walk_state->method_desc->method.
- owner_id);
- status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ /* Decrement the thread count on the method */
+
+ if (method_desc->method.thread_count) {
+ method_desc->method.thread_count--;
+ } else {
+ ACPI_ERROR((AE_INFO, "Invalid zero thread count in method"));
+ }
/* Are there any other threads currently executing this method? */
- if (walk_state->method_desc->method.thread_count) {
+ if (method_desc->method.thread_count) {
/*
* Additional threads. Do not release the owner_id in this case,
* we immediately reuse it for the next thread executing this method
*/
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"*** Completed execution of one thread, %d threads remaining\n",
- walk_state->method_desc->method.
- thread_count));
+ method_desc->method.thread_count));
} else {
/* This is the only executing thread for this method */
@@ -533,22 +587,20 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
* This code is here because we must wait until the last thread exits
* before creating the synchronization semaphore.
*/
- if ((walk_state->method_desc->method.concurrency == 1) &&
- (!walk_state->method_desc->method.semaphore)) {
+ if ((method_desc->method.concurrency == 1) &&
+ (!method_desc->method.semaphore)) {
status = acpi_os_create_semaphore(1, 1,
- &walk_state->
- method_desc->method.
+ &method_desc->method.
semaphore);
}
/* No more threads, we can free the owner_id */
- acpi_ut_release_owner_id(&walk_state->method_desc->method.
- owner_id);
+ acpi_ut_release_owner_id(&method_desc->method.owner_id);
}
exit:
- (void)acpi_ut_release_mutex(ACPI_MTX_PARSER);
+ (void)acpi_ut_release_mutex(ACPI_MTX_CONTROL_METHOD);
return_VOID;
}
@@ -581,7 +633,7 @@ acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node)
union acpi_parse_object *op;
struct acpi_walk_state *walk_state;
- ACPI_FUNCTION_TRACE_PTR("ds_parse_method", node);
+ ACPI_FUNCTION_TRACE_PTR(ds_parse_method, node);
/* Parameter Validation */
@@ -590,7 +642,7 @@ acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node)
}
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
- "**** Parsing [%4.4s] **** named_obj=%p\n",
+ "**** Parsing [%4.4s] **** NamedObj=%p\n",
acpi_ut_get_node_name(node), node));
/* Extract the method object from the method Node */
@@ -669,7 +721,7 @@ acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node)
}
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
- "**** [%4.4s] Parsed **** named_obj=%p Op=%p\n",
+ "**** [%4.4s] Parsed **** NamedObj=%p Op=%p\n",
acpi_ut_get_node_name(node), node, op));
/*
diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c
index c025674f938b..459160ff9058 100644
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ b/drivers/acpi/dispatcher/dsmthdat.c
@@ -81,7 +81,7 @@ acpi_ds_method_data_get_type(u16 opcode,
* special data types.
*
* NOTES: walk_state fields are initialized to zero by the
- * ACPI_MEM_CALLOCATE().
+ * ACPI_ALLOCATE_ZEROED().
*
* A pseudo-Namespace Node is assigned to each argument and local
* so that ref_of() can return a pointer to the Node.
@@ -92,7 +92,7 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
{
u32 i;
- ACPI_FUNCTION_TRACE("ds_method_data_init");
+ ACPI_FUNCTION_TRACE(ds_method_data_init);
/* Init the method arguments */
@@ -100,10 +100,10 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
ACPI_MOVE_32_TO_32(&walk_state->arguments[i].name,
NAMEOF_ARG_NTE);
walk_state->arguments[i].name.integer |= (i << 24);
- walk_state->arguments[i].descriptor = ACPI_DESC_TYPE_NAMED;
+ walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED;
walk_state->arguments[i].type = ACPI_TYPE_ANY;
- walk_state->arguments[i].flags = ANOBJ_END_OF_PEER_LIST |
- ANOBJ_METHOD_ARG;
+ walk_state->arguments[i].flags =
+ ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG;
}
/* Init the method locals */
@@ -113,11 +113,11 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
NAMEOF_LOCAL_NTE);
walk_state->local_variables[i].name.integer |= (i << 24);
- walk_state->local_variables[i].descriptor =
+ walk_state->local_variables[i].descriptor_type =
ACPI_DESC_TYPE_NAMED;
walk_state->local_variables[i].type = ACPI_TYPE_ANY;
- walk_state->local_variables[i].flags = ANOBJ_END_OF_PEER_LIST |
- ANOBJ_METHOD_LOCAL;
+ walk_state->local_variables[i].flags =
+ ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL;
}
return_VOID;
@@ -140,7 +140,7 @@ void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state)
{
u32 index;
- ACPI_FUNCTION_TRACE("ds_method_data_delete_all");
+ ACPI_FUNCTION_TRACE(ds_method_data_delete_all);
/* Detach the locals */
@@ -199,7 +199,7 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params,
acpi_status status;
u32 index = 0;
- ACPI_FUNCTION_TRACE_PTR("ds_method_data_init_args", params);
+ ACPI_FUNCTION_TRACE_PTR(ds_method_data_init_args, params);
if (!params) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
@@ -251,7 +251,7 @@ acpi_ds_method_data_get_node(u16 opcode,
struct acpi_walk_state *walk_state,
struct acpi_namespace_node **node)
{
- ACPI_FUNCTION_TRACE("ds_method_data_get_node");
+ ACPI_FUNCTION_TRACE(ds_method_data_get_node);
/*
* Method Locals and Arguments are supported
@@ -318,10 +318,10 @@ acpi_ds_method_data_set_value(u16 opcode,
acpi_status status;
struct acpi_namespace_node *node;
- ACPI_FUNCTION_TRACE("ds_method_data_set_value");
+ ACPI_FUNCTION_TRACE(ds_method_data_set_value);
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "new_obj %p Opcode %X, Refs=%d [%s]\n", object,
+ "NewObj %p Opcode %X, Refs=%d [%s]\n", object,
opcode, object->common.reference_count,
acpi_ut_get_type_name(object->common.type)));
@@ -336,7 +336,7 @@ acpi_ds_method_data_set_value(u16 opcode,
* Increment ref count so object can't be deleted while installed.
* NOTE: We do not copy the object in order to preserve the call by
* reference semantics of ACPI Control Method invocation.
- * (See ACPI specification 2.0_c)
+ * (See ACPI Specification 2.0_c)
*/
acpi_ut_add_reference(object);
@@ -351,7 +351,7 @@ acpi_ds_method_data_set_value(u16 opcode,
* FUNCTION: acpi_ds_method_data_get_value
*
* PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
- * Index - which local_var or argument to get
+ * Index - Which local_var or argument to get
* walk_state - Current walk state object
* dest_desc - Where Arg or Local value is returned
*
@@ -372,7 +372,7 @@ acpi_ds_method_data_get_value(u16 opcode,
struct acpi_namespace_node *node;
union acpi_operand_object *object;
- ACPI_FUNCTION_TRACE("ds_method_data_get_value");
+ ACPI_FUNCTION_TRACE(ds_method_data_get_value);
/* Validate the object descriptor */
@@ -459,7 +459,7 @@ acpi_ds_method_data_get_value(u16 opcode,
* FUNCTION: acpi_ds_method_data_delete_value
*
* PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
- * Index - which local_var or argument to delete
+ * Index - Which local_var or argument to delete
* walk_state - Current walk state object
*
* RETURN: None
@@ -477,7 +477,7 @@ acpi_ds_method_data_delete_value(u16 opcode,
struct acpi_namespace_node *node;
union acpi_operand_object *object;
- ACPI_FUNCTION_TRACE("ds_method_data_delete_value");
+ ACPI_FUNCTION_TRACE(ds_method_data_delete_value);
/* Get the namespace node for the arg/local */
@@ -538,7 +538,7 @@ acpi_ds_store_object_to_local(u16 opcode,
union acpi_operand_object *current_obj_desc;
union acpi_operand_object *new_obj_desc;
- ACPI_FUNCTION_TRACE("ds_store_object_to_local");
+ ACPI_FUNCTION_TRACE(ds_store_object_to_local);
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Opcode=%X Index=%d Obj=%p\n",
opcode, index, obj_desc));
@@ -614,7 +614,7 @@ acpi_ds_store_object_to_local(u16 opcode,
&& (current_obj_desc->reference.opcode ==
AML_REF_OF_OP)) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Arg (%p) is an obj_ref(Node), storing in node %p\n",
+ "Arg (%p) is an ObjRef(Node), storing in node %p\n",
new_obj_desc,
current_obj_desc));
@@ -688,7 +688,7 @@ acpi_ds_method_data_get_type(u16 opcode,
struct acpi_namespace_node *node;
union acpi_operand_object *object;
- ACPI_FUNCTION_TRACE("ds_method_data_get_type");
+ ACPI_FUNCTION_TRACE(ds_method_data_get_type);
/* Get the namespace node for the arg/local */
@@ -701,6 +701,7 @@ acpi_ds_method_data_get_type(u16 opcode,
object = acpi_ns_get_attached_object(node);
if (!object) {
+
/* Uninitialized local/arg, return TYPE_ANY */
return_VALUE(ACPI_TYPE_ANY);
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index 8b21f0f9e517..72190abb1d59 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -81,7 +81,7 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("ds_build_internal_object");
+ ACPI_FUNCTION_TRACE(ds_build_internal_object);
*obj_desc_ptr = NULL;
if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
@@ -103,6 +103,7 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
common.
node)));
if (ACPI_FAILURE(status)) {
+
/* Check if we are resolving a named reference within a package */
if ((status == AE_NOT_FOUND)
@@ -186,7 +187,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
union acpi_parse_object *byte_list;
u32 byte_list_length = 0;
- ACPI_FUNCTION_TRACE("ds_build_internal_buffer_obj");
+ ACPI_FUNCTION_TRACE(ds_build_internal_buffer_obj);
/*
* If we are evaluating a Named buffer object "Name (xxxx, Buffer)".
@@ -195,6 +196,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
*/
obj_desc = *obj_desc_ptr;
if (!obj_desc) {
+
/* Create a new buffer object */
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER);
@@ -243,7 +245,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
"Buffer defined with zero length in AML, creating\n"));
} else {
obj_desc->buffer.pointer =
- ACPI_MEM_CALLOCATE(obj_desc->buffer.length);
+ ACPI_ALLOCATE_ZEROED(obj_desc->buffer.length);
if (!obj_desc->buffer.pointer) {
acpi_ut_delete_object_desc(obj_desc);
return_ACPI_STATUS(AE_NO_MEMORY);
@@ -291,7 +293,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
acpi_status status = AE_OK;
acpi_native_uint i;
- ACPI_FUNCTION_TRACE("ds_build_internal_package_obj");
+ ACPI_FUNCTION_TRACE(ds_build_internal_package_obj);
/* Find the parent of a possibly nested package */
@@ -339,9 +341,10 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
* individual objects). Add an extra pointer slot so
* that the list is always null terminated.
*/
- obj_desc->package.elements = ACPI_MEM_CALLOCATE(((acpi_size) obj_desc->
- package.count +
- 1) * sizeof(void *));
+ obj_desc->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size)
+ obj_desc->package.
+ count +
+ 1) * sizeof(void *));
if (!obj_desc->package.elements) {
acpi_ut_delete_object_desc(obj_desc);
@@ -355,6 +358,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
arg = arg->common.next;
for (i = 0; arg; i++) {
if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
+
/* Object (package or buffer) is already built */
obj_desc->package.elements[i] =
@@ -396,7 +400,7 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state,
acpi_status status;
union acpi_operand_object *obj_desc;
- ACPI_FUNCTION_TRACE_PTR("ds_create_node", op);
+ ACPI_FUNCTION_TRACE_PTR(ds_create_node, op);
/*
* Because of the execution pass through the non-control-method
@@ -408,6 +412,7 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state,
}
if (!op->common.value.arg) {
+
/* No arguments, there is nothing to do */
return_ACPI_STATUS(AE_OK);
@@ -464,11 +469,12 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
union acpi_operand_object *obj_desc;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ds_init_object_from_op");
+ ACPI_FUNCTION_TRACE(ds_init_object_from_op);
obj_desc = *ret_obj_desc;
op_info = acpi_ps_get_opcode_info(opcode);
if (op_info->class == AML_CLASS_UNKNOWN) {
+
/* Unknown opcode */
return_ACPI_STATUS(AE_TYPE);
@@ -626,6 +632,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
default: /* Other literals, etc.. */
if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
+
/* Node was saved in Op */
obj_desc->reference.node = op->common.node;
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
index 6229c10674e1..5b974a8fe614 100644
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ b/drivers/acpi/dispatcher/dsopcode.c
@@ -91,7 +91,7 @@ acpi_ds_execute_arguments(struct acpi_namespace_node *node,
union acpi_parse_object *op;
struct acpi_walk_state *walk_state;
- ACPI_FUNCTION_TRACE("ds_execute_arguments");
+ ACPI_FUNCTION_TRACE(ds_execute_arguments);
/*
* Allocate a new parser op to be the root of the parsed tree
@@ -193,7 +193,7 @@ acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc)
struct acpi_namespace_node *node;
acpi_status status;
- ACPI_FUNCTION_TRACE_PTR("ds_get_buffer_field_arguments", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_field_arguments, obj_desc);
if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
return_ACPI_STATUS(AE_OK);
@@ -206,7 +206,7 @@ acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc)
ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
(ACPI_TYPE_BUFFER_FIELD, node, NULL));
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] buffer_field Arg Init\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n",
acpi_ut_get_node_name(node)));
/* Execute the AML code for the term_arg arguments */
@@ -235,7 +235,7 @@ acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc)
struct acpi_namespace_node *node;
acpi_status status;
- ACPI_FUNCTION_TRACE_PTR("ds_get_buffer_arguments", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_arguments, obj_desc);
if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
return_ACPI_STATUS(AE_OK);
@@ -279,7 +279,7 @@ acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc)
struct acpi_namespace_node *node;
acpi_status status;
- ACPI_FUNCTION_TRACE_PTR("ds_get_package_arguments", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ds_get_package_arguments, obj_desc);
if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
return_ACPI_STATUS(AE_OK);
@@ -324,7 +324,7 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
acpi_status status;
union acpi_operand_object *extra_desc;
- ACPI_FUNCTION_TRACE_PTR("ds_get_region_arguments", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ds_get_region_arguments, obj_desc);
if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
return_ACPI_STATUS(AE_OK);
@@ -342,8 +342,7 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
(ACPI_TYPE_REGION, node, NULL));
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "[%4.4s] op_region Arg Init at AML %p\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] OpRegion Arg Init at AML %p\n",
acpi_ut_get_node_name(node),
extra_desc->extra.aml_start));
@@ -352,6 +351,28 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
extra_desc->extra.aml_length,
extra_desc->extra.aml_start);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Validate the region address/length via the host OS */
+
+ status = acpi_os_validate_address(obj_desc->region.space_id,
+ obj_desc->region.address,
+ (acpi_size) obj_desc->region.length);
+ if (ACPI_FAILURE(status)) {
+ /*
+ * Invalid address/length. We will emit an error message and mark
+ * the region as invalid, so that it will cause an additional error if
+ * it is ever used. Then return AE_OK.
+ */
+ ACPI_EXCEPTION((AE_INFO, status,
+ "During address validation of OpRegion [%4.4s]",
+ node->name.ascii));
+ obj_desc->common.flags |= AOPOBJ_INVALID;
+ status = AE_OK;
+ }
+
return_ACPI_STATUS(status);
}
@@ -411,7 +432,7 @@ acpi_ds_init_buffer_field(u16 aml_opcode,
u8 field_flags;
acpi_status status;
- ACPI_FUNCTION_TRACE_PTR("ds_init_buffer_field", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ds_init_buffer_field, obj_desc);
/* Host object must be a Buffer */
@@ -457,7 +478,7 @@ acpi_ds_init_buffer_field(u16 aml_opcode,
if (bit_count == 0) {
ACPI_ERROR((AE_INFO,
- "Attempt to create_field of length zero"));
+ "Attempt to CreateField of length zero"));
status = AE_AML_OPERAND_VALUE;
goto cleanup;
}
@@ -595,7 +616,7 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
struct acpi_namespace_node *node;
union acpi_parse_object *next_op;
- ACPI_FUNCTION_TRACE_PTR("ds_eval_buffer_field_operands", op);
+ ACPI_FUNCTION_TRACE_PTR(ds_eval_buffer_field_operands, op);
/*
* This is where we evaluate the address and length fields of the
@@ -627,7 +648,7 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
acpi_ps_get_opcode_name(op->common.aml_opcode),
walk_state->num_operands,
- "after acpi_ex_resolve_operands");
+ "after AcpiExResolveOperands");
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO, "(%s) bad operand(s) (%X)",
@@ -640,6 +661,7 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
/* Initialize the Buffer Field */
if (op->common.aml_opcode == AML_CREATE_FIELD_OP) {
+
/* NOTE: Slightly different operands for this opcode */
status =
@@ -685,7 +707,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
struct acpi_namespace_node *node;
union acpi_parse_object *next_op;
- ACPI_FUNCTION_TRACE_PTR("ds_eval_region_operands", op);
+ ACPI_FUNCTION_TRACE_PTR(ds_eval_region_operands, op);
/*
* This is where we evaluate the address and length fields of the
@@ -718,7 +740,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
acpi_ps_get_opcode_name(op->common.aml_opcode),
- 1, "after acpi_ex_resolve_operands");
+ 1, "after AcpiExResolveOperands");
obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
@@ -744,7 +766,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
operand_desc->integer.value;
acpi_ut_remove_reference(operand_desc);
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "rgn_obj %p Addr %8.8X%8.8X Len %X\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
obj_desc,
ACPI_FORMAT_UINT64(obj_desc->region.address),
obj_desc->region.length));
@@ -780,7 +802,7 @@ acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
union acpi_operand_object *arg_desc;
u32 length;
- ACPI_FUNCTION_TRACE("ds_eval_data_object_operands");
+ ACPI_FUNCTION_TRACE(ds_eval_data_object_operands);
/* The first operand (for all of these data objects) is the length */
@@ -874,7 +896,7 @@ acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
acpi_status status = AE_OK;
union acpi_generic_state *control_state;
- ACPI_FUNCTION_NAME("ds_exec_begin_control_op");
+ ACPI_FUNCTION_NAME(ds_exec_begin_control_op);
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p Opcode=%2.2X State=%p\n", op,
op->common.aml_opcode, walk_state));
@@ -952,7 +974,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
acpi_status status = AE_OK;
union acpi_generic_state *control_state;
- ACPI_FUNCTION_NAME("ds_exec_end_control_op");
+ ACPI_FUNCTION_NAME(ds_exec_end_control_op);
switch (op->common.aml_opcode) {
case AML_IF_OP:
@@ -984,6 +1006,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", op));
if (walk_state->control_state->common.value) {
+
/* Predicate was true, go back and evaluate it again! */
status = AE_CTRL_PENDING;
@@ -1014,6 +1037,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
* has been bubbled up the tree
*/
if (op->common.value.arg) {
+
/* Since we have a real Return(), delete any implicit return */
acpi_ds_clear_implicit_return(walk_state);
@@ -1047,6 +1071,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
walk_state->return_desc = walk_state->operands[0];
} else if ((walk_state->results) &&
(walk_state->results->results.num_results > 0)) {
+
/* Since we have a real Return(), delete any implicit return */
acpi_ds_clear_implicit_return(walk_state);
@@ -1095,7 +1120,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
}
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "Completed RETURN_OP State=%p, ret_val=%p\n",
+ "Completed RETURN_OP State=%p, RetVal=%p\n",
walk_state, walk_state->return_desc));
/* End the control method execution right now */
diff --git a/drivers/acpi/dispatcher/dsutils.c b/drivers/acpi/dispatcher/dsutils.c
index 53356a591ac1..05230baf5de8 100644
--- a/drivers/acpi/dispatcher/dsutils.c
+++ b/drivers/acpi/dispatcher/dsutils.c
@@ -68,7 +68,7 @@ ACPI_MODULE_NAME("dsutils")
******************************************************************************/
void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state)
{
- ACPI_FUNCTION_NAME("ds_clear_implicit_return");
+ ACPI_FUNCTION_NAME(ds_clear_implicit_return);
/*
* Slack must be enabled for this feature
@@ -115,7 +115,7 @@ u8
acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
struct acpi_walk_state *walk_state, u8 add_reference)
{
- ACPI_FUNCTION_NAME("ds_do_implicit_return");
+ ACPI_FUNCTION_NAME(ds_do_implicit_return);
/*
* Slack must be enabled for this feature, and we must
@@ -171,7 +171,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
{
const struct acpi_opcode_info *parent_info;
- ACPI_FUNCTION_TRACE_PTR("ds_is_result_used", op);
+ ACPI_FUNCTION_TRACE_PTR(ds_is_result_used, op);
/* Must have both an Op and a Result Object */
@@ -202,6 +202,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
*/
if ((!op->common.parent) ||
(op->common.parent->common.aml_opcode == AML_SCOPE_OP)) {
+
/* No parent, the return value cannot possibly be used */
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
@@ -340,7 +341,7 @@ acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE_PTR("ds_delete_result_if_not_used", result_obj);
+ ACPI_FUNCTION_TRACE_PTR(ds_delete_result_if_not_used, result_obj);
if (!op) {
ACPI_ERROR((AE_INFO, "Null Op"));
@@ -352,6 +353,7 @@ acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
}
if (!acpi_ds_is_result_used(op, walk_state)) {
+
/* Must pop the result stack (obj_desc should be equal to result_obj) */
status = acpi_ds_result_pop(&obj_desc, walk_state);
@@ -382,7 +384,7 @@ acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state)
u32 i;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE_PTR("ds_resolve_operands", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ds_resolve_operands, walk_state);
/*
* Attempt to resolve each of the valid operands
@@ -417,7 +419,7 @@ void acpi_ds_clear_operands(struct acpi_walk_state *walk_state)
{
u32 i;
- ACPI_FUNCTION_TRACE_PTR("ds_clear_operands", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ds_clear_operands, walk_state);
/* Remove a reference on each operand on the stack */
@@ -465,7 +467,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state,
acpi_interpreter_mode interpreter_mode;
const struct acpi_opcode_info *op_info;
- ACPI_FUNCTION_TRACE_PTR("ds_create_operand", arg);
+ ACPI_FUNCTION_TRACE_PTR(ds_create_operand, arg);
/* A valid name must be looked up in the namespace */
@@ -498,7 +500,9 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state,
*/
if ((walk_state->deferred_node) &&
(walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD)
- && (arg_index != 0)) {
+ && (arg_index ==
+ (u32) ((walk_state->opcode ==
+ AML_CREATE_FIELD_OP) ? 3 : 2))) {
obj_desc =
ACPI_CAST_PTR(union acpi_operand_object,
walk_state->deferred_node);
@@ -521,6 +525,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state,
&& (parent_op->common.aml_opcode != AML_REGION_OP)
&& (parent_op->common.aml_opcode !=
AML_INT_NAMEPATH_OP)) {
+
/* Enter name into namespace if not found */
interpreter_mode = ACPI_IMODE_LOAD_PASS2;
@@ -572,7 +577,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state,
/* Free the namestring created above */
- ACPI_MEM_FREE(name_string);
+ ACPI_FREE(name_string);
/* Check status from the lookup */
@@ -696,7 +701,7 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,
union acpi_parse_object *arg;
u32 arg_count = 0;
- ACPI_FUNCTION_TRACE_PTR("ds_create_operands", first_arg);
+ ACPI_FUNCTION_TRACE_PTR(ds_create_operands, first_arg);
/* For all arguments in the list... */
diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c
index f1af655ff113..3acbd9145d72 100644
--- a/drivers/acpi/dispatcher/dswexec.c
+++ b/drivers/acpi/dispatcher/dswexec.c
@@ -49,7 +49,6 @@
#include <acpi/acinterp.h>
#include <acpi/acnamesp.h>
#include <acpi/acdebug.h>
-#include <acpi/acdisasm.h>
#define _COMPONENT ACPI_DISPATCHER
ACPI_MODULE_NAME("dswexec")
@@ -93,7 +92,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
union acpi_operand_object *obj_desc;
union acpi_operand_object *local_obj_desc = NULL;
- ACPI_FUNCTION_TRACE_PTR("ds_get_predicate_value", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ds_get_predicate_value, walk_state);
walk_state->control_state->common.state = 0;
@@ -123,7 +122,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
if (!obj_desc) {
ACPI_ERROR((AE_INFO,
- "No predicate obj_desc=%p State=%p",
+ "No predicate ObjDesc=%p State=%p",
obj_desc, walk_state));
return_ACPI_STATUS(AE_AML_NO_OPERAND);
@@ -140,7 +139,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
if (ACPI_GET_OBJECT_TYPE(local_obj_desc) != ACPI_TYPE_INTEGER) {
ACPI_ERROR((AE_INFO,
- "Bad predicate (not an integer) obj_desc=%p State=%p Type=%X",
+ "Bad predicate (not an integer) ObjDesc=%p State=%p Type=%X",
obj_desc, walk_state,
ACPI_GET_OBJECT_TYPE(obj_desc)));
@@ -214,7 +213,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
acpi_status status = AE_OK;
u32 opcode_class;
- ACPI_FUNCTION_TRACE_PTR("ds_exec_begin_op", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ds_exec_begin_op, walk_state);
op = walk_state->op;
if (!op) {
@@ -296,7 +295,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
case AML_CLASS_NAMED_OBJECT:
- if (walk_state->walk_type == ACPI_WALK_METHOD) {
+ if (walk_state->walk_type & ACPI_WALK_METHOD) {
/*
* Found a named object declaration during method execution;
* we must enter this object into the namespace. The created
@@ -354,7 +353,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
union acpi_parse_object *next_op;
union acpi_parse_object *first_arg;
- ACPI_FUNCTION_TRACE_PTR("ds_exec_end_op", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ds_exec_end_op, walk_state);
op = walk_state->op;
op_type = walk_state->op_info->type;
@@ -409,6 +408,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
* being the object_type and size_of operators.
*/
if (!(walk_state->op_info->flags & AML_NO_OPERAND_RESOLVE)) {
+
/* Resolve all operands */
status = acpi_ex_resolve_operands(walk_state->opcode,
@@ -423,7 +423,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
acpi_ps_get_opcode_name
(walk_state->opcode),
walk_state->num_operands,
- "after ex_resolve_operands");
+ "after ExResolveOperands");
}
}
@@ -437,7 +437,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
acpi_gbl_op_type_dispatch[op_type] (walk_state);
} else {
/*
- * Treat constructs of the form "Store(local_x,local_x)" as noops when the
+ * Treat constructs of the form "Store(LocalX,LocalX)" as noops when the
* Local is uninitialized.
*/
if ((status == AE_AML_UNINITIALIZED_LOCAL) &&
@@ -548,6 +548,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
*/
status = acpi_ds_resolve_operands(walk_state);
if (ACPI_FAILURE(status)) {
+
/* On error, clear all resolved operands */
acpi_ds_clear_operands(walk_state);
@@ -569,7 +570,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
case AML_TYPE_CREATE_FIELD:
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Executing create_field Buffer/Index Op=%p\n",
+ "Executing CreateField Buffer/Index Op=%p\n",
op));
status = acpi_ds_load2_end_op(walk_state);
@@ -584,7 +585,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
case AML_TYPE_CREATE_OBJECT:
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Executing create_object (Buffer/Package) Op=%p\n",
+ "Executing CreateObject (Buffer/Package) Op=%p\n",
op));
switch (op->common.parent->common.aml_opcode) {
@@ -657,7 +658,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
if (op->common.aml_opcode == AML_REGION_OP) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Executing op_region Address/Length Op=%p\n",
+ "Executing OpRegion Address/Length Op=%p\n",
op));
status =
@@ -722,6 +723,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
cleanup:
if (walk_state->result_obj) {
+
/* Break to debugger to display result */
ACPI_DEBUGGER_EXEC(acpi_db_display_result_object
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
index d3d24da31c81..35074399c617 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/dispatcher/dswload.c
@@ -127,7 +127,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
char *path;
u32 flags;
- ACPI_FUNCTION_TRACE("ds_load1_begin_op");
+ ACPI_FUNCTION_TRACE(ds_load1_begin_op);
op = walk_state->op;
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
@@ -178,12 +178,12 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
* Target of Scope() not found. Generate an External for it, and
* insert the name into the namespace.
*/
- acpi_dm_add_to_external_list(path);
+ acpi_dm_add_to_external_list(path, ACPI_TYPE_DEVICE, 0);
status =
acpi_ns_lookup(walk_state->scope_info, path,
object_type, ACPI_IMODE_LOAD_PASS1,
ACPI_NS_SEARCH_PARENT, walk_state,
- &(node));
+ &node);
}
#endif
if (ACPI_FAILURE(status)) {
@@ -261,6 +261,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
*/
if (walk_state->deferred_node) {
+
/* This name is already in the namespace, get the node */
node = walk_state->deferred_node;
@@ -300,10 +301,41 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
status =
acpi_ns_lookup(walk_state->scope_info, path, object_type,
ACPI_IMODE_LOAD_PASS1, flags, walk_state,
- &(node));
+ &node);
if (ACPI_FAILURE(status)) {
- ACPI_ERROR_NAMESPACE(path, status);
- return_ACPI_STATUS(status);
+ if (status == AE_ALREADY_EXISTS) {
+
+ /* The name already exists in this scope */
+
+ if (node->flags & ANOBJ_IS_EXTERNAL) {
+ /*
+ * Allow one create on an object or segment that was
+ * previously declared External
+ */
+ node->flags &= ~ANOBJ_IS_EXTERNAL;
+ node->type = (u8) object_type;
+
+ /* Just retyped a node, probably will need to open a scope */
+
+ if (acpi_ns_opens_scope(object_type)) {
+ status =
+ acpi_ds_scope_stack_push
+ (node, object_type,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS
+ (status);
+ }
+ }
+ status = AE_OK;
+ }
+ }
+
+ if (ACPI_FAILURE(status)) {
+
+ ACPI_ERROR_NAMESPACE(path, status);
+ return_ACPI_STATUS(status);
+ }
}
break;
}
@@ -311,6 +343,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
/* Common exit */
if (!op) {
+
/* Create a new op */
op = acpi_ps_alloc_op(walk_state->opcode);
@@ -359,7 +392,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
acpi_object_type object_type;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ds_load1_end_op");
+ ACPI_FUNCTION_TRACE(ds_load1_end_op);
op = walk_state->op;
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
@@ -413,6 +446,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
#endif
if (op->common.aml_opcode == AML_NAME_OP) {
+
/* For Name opcode, get the object type from the argument */
if (op->common.value.arg) {
@@ -445,7 +479,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
* arguments.)
*/
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "LOADING-Method: State=%p Op=%p named_obj=%p\n",
+ "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
walk_state, op, op->named.node));
if (!acpi_ns_get_attached_object(op->named.node)) {
@@ -511,7 +545,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
acpi_object_type object_type;
char *buffer_ptr;
- ACPI_FUNCTION_TRACE("ds_load2_begin_op");
+ ACPI_FUNCTION_TRACE(ds_load2_begin_op);
op = walk_state->op;
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
@@ -521,6 +555,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
if ((walk_state->control_state) &&
(walk_state->control_state->common.state ==
ACPI_CONTROL_CONDITIONAL_EXECUTING)) {
+
/* We are executing a while loop outside of a method */
status = acpi_ds_exec_begin_op(walk_state, out_op);
@@ -554,10 +589,12 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
/* Get the name we are going to enter or lookup in the namespace */
if (walk_state->opcode == AML_INT_NAMEPATH_OP) {
+
/* For Namepath op, get the path string */
buffer_ptr = op->common.value.string;
if (!buffer_ptr) {
+
/* No name, just exit */
return_ACPI_STATUS(AE_OK);
@@ -680,6 +717,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
/* All other opcodes */
if (op && op->common.node) {
+
/* This op/node was previously entered into the namespace */
node = op->common.node;
@@ -705,6 +743,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
* Note: Name may already exist if we are executing a deferred opcode.
*/
if (walk_state->deferred_node) {
+
/* This name is already in the namespace, get the node */
node = walk_state->deferred_node;
@@ -727,6 +766,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
}
if (!op) {
+
/* Create a new op */
op = acpi_ps_alloc_op(walk_state->opcode);
@@ -776,7 +816,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
u32 i;
#endif
- ACPI_FUNCTION_TRACE("ds_load2_end_op");
+ ACPI_FUNCTION_TRACE(ds_load2_end_op);
op = walk_state->op;
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n",
@@ -870,7 +910,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
*/
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "Create-Load [%s] State=%p Op=%p named_obj=%p\n",
+ "Create-Load [%s] State=%p Op=%p NamedObj=%p\n",
acpi_ps_get_opcode_name(op->common.aml_opcode),
walk_state, op, node));
@@ -1045,7 +1085,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
* arguments.)
*/
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "LOADING-Method: State=%p Op=%p named_obj=%p\n",
+ "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
walk_state, op, op->named.node));
if (!acpi_ns_get_attached_object(op->named.node)) {
@@ -1090,7 +1130,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
case AML_CLASS_METHOD_CALL:
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "RESOLVING-method_call: State=%p Op=%p named_obj=%p\n",
+ "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n",
walk_state, op, node));
/*
@@ -1104,7 +1144,6 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
ACPI_NS_DONT_OPEN_SCOPE, walk_state,
&(new_node));
if (ACPI_SUCCESS(status)) {
-
/*
* Make sure that what we found is indeed a method
* We didn't search for a method on purpose, to see if the name
diff --git a/drivers/acpi/dispatcher/dswscope.c b/drivers/acpi/dispatcher/dswscope.c
index ada21ef4a174..c9228972f5f6 100644
--- a/drivers/acpi/dispatcher/dswscope.c
+++ b/drivers/acpi/dispatcher/dswscope.c
@@ -63,9 +63,10 @@ void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state)
{
union acpi_generic_state *scope_info;
- ACPI_FUNCTION_NAME("ds_scope_stack_clear");
+ ACPI_FUNCTION_NAME(ds_scope_stack_clear);
while (walk_state->scope_info) {
+
/* Pop a scope off the stack */
scope_info = walk_state->scope_info;
@@ -102,9 +103,10 @@ acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
union acpi_generic_state *scope_info;
union acpi_generic_state *old_scope_info;
- ACPI_FUNCTION_TRACE("ds_scope_stack_push");
+ ACPI_FUNCTION_TRACE(ds_scope_stack_push);
if (!node) {
+
/* Invalid scope */
ACPI_ERROR((AE_INFO, "Null scope parameter"));
@@ -126,7 +128,7 @@ acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
/* Init new scope object */
- scope_info->common.data_type = ACPI_DESC_TYPE_STATE_WSCOPE;
+ scope_info->common.descriptor_type = ACPI_DESC_TYPE_STATE_WSCOPE;
scope_info->scope.node = node;
scope_info->common.value = (u16) type;
@@ -176,7 +178,7 @@ acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state)
union acpi_generic_state *scope_info;
union acpi_generic_state *new_scope_info;
- ACPI_FUNCTION_TRACE("ds_scope_stack_pop");
+ ACPI_FUNCTION_TRACE(ds_scope_stack_pop);
/*
* Pop scope info object off the stack.
diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c
index fa78cb74ee36..7817e5522679 100644
--- a/drivers/acpi/dispatcher/dswstate.c
+++ b/drivers/acpi/dispatcher/dswstate.c
@@ -66,7 +66,6 @@ void *acpi_ds_obj_stack_get_value(u32 index,
#endif
#ifdef ACPI_FUTURE_USAGE
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_result_remove
@@ -88,7 +87,7 @@ acpi_ds_result_remove(union acpi_operand_object **object,
{
union acpi_generic_state *state;
- ACPI_FUNCTION_NAME("ds_result_remove");
+ ACPI_FUNCTION_NAME(ds_result_remove);
state = walk_state->results;
if (!state) {
@@ -128,7 +127,6 @@ acpi_ds_result_remove(union acpi_operand_object **object,
return (AE_OK);
}
-
#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
@@ -152,7 +150,7 @@ acpi_ds_result_pop(union acpi_operand_object ** object,
acpi_native_uint index;
union acpi_generic_state *state;
- ACPI_FUNCTION_NAME("ds_result_pop");
+ ACPI_FUNCTION_NAME(ds_result_pop);
state = walk_state->results;
if (!state) {
@@ -170,6 +168,7 @@ acpi_ds_result_pop(union acpi_operand_object ** object,
state->results.num_results--;
for (index = ACPI_OBJ_NUM_OPERANDS; index; index--) {
+
/* Check for a valid result object */
if (state->results.obj_desc[index - 1]) {
@@ -213,7 +212,7 @@ acpi_ds_result_pop_from_bottom(union acpi_operand_object ** object,
acpi_native_uint index;
union acpi_generic_state *state;
- ACPI_FUNCTION_NAME("ds_result_pop_from_bottom");
+ ACPI_FUNCTION_NAME(ds_result_pop_from_bottom);
state = walk_state->results;
if (!state) {
@@ -278,7 +277,7 @@ acpi_ds_result_push(union acpi_operand_object * object,
{
union acpi_generic_state *state;
- ACPI_FUNCTION_NAME("ds_result_push");
+ ACPI_FUNCTION_NAME(ds_result_push);
state = walk_state->results;
if (!state) {
@@ -331,14 +330,14 @@ acpi_status acpi_ds_result_stack_push(struct acpi_walk_state * walk_state)
{
union acpi_generic_state *state;
- ACPI_FUNCTION_NAME("ds_result_stack_push");
+ ACPI_FUNCTION_NAME(ds_result_stack_push);
state = acpi_ut_create_generic_state();
if (!state) {
return (AE_NO_MEMORY);
}
- state->common.data_type = ACPI_DESC_TYPE_STATE_RESULT;
+ state->common.descriptor_type = ACPI_DESC_TYPE_STATE_RESULT;
acpi_ut_push_generic_state(&walk_state->results, state);
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Results=%p State=%p\n",
@@ -363,7 +362,7 @@ acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state * walk_state)
{
union acpi_generic_state *state;
- ACPI_FUNCTION_NAME("ds_result_stack_pop");
+ ACPI_FUNCTION_NAME(ds_result_stack_pop);
/* Check for stack underflow */
@@ -376,7 +375,7 @@ acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state * walk_state)
state = acpi_ut_pop_generic_state(&walk_state->results);
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Result=%p remaining_results=%X State=%p\n",
+ "Result=%p RemainingResults=%X State=%p\n",
state, state->results.num_results, walk_state));
acpi_ut_delete_generic_state(state);
@@ -400,7 +399,7 @@ acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state * walk_state)
acpi_status
acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state)
{
- ACPI_FUNCTION_NAME("ds_obj_stack_push");
+ ACPI_FUNCTION_NAME(ds_obj_stack_push);
/* Check for stack overflow */
@@ -445,9 +444,10 @@ acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state * walk_state)
{
u32 i;
- ACPI_FUNCTION_NAME("ds_obj_stack_pop");
+ ACPI_FUNCTION_NAME(ds_obj_stack_pop);
for (i = 0; i < pop_count; i++) {
+
/* Check for stack underflow */
if (walk_state->num_operands == 0) {
@@ -491,9 +491,10 @@ acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
u32 i;
union acpi_operand_object *obj_desc;
- ACPI_FUNCTION_NAME("ds_obj_stack_pop_and_delete");
+ ACPI_FUNCTION_NAME(ds_obj_stack_pop_and_delete);
for (i = 0; i < pop_count; i++) {
+
/* Check for stack underflow */
if (walk_state->num_operands == 0) {
@@ -538,13 +539,13 @@ acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
*thread)
{
- ACPI_FUNCTION_NAME("ds_get_current_walk_state");
+ ACPI_FUNCTION_NAME(ds_get_current_walk_state);
if (!thread) {
return (NULL);
}
- ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Current walk_state %p\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Current WalkState %p\n",
thread->walk_state_list));
return (thread->walk_state_list);
@@ -567,7 +568,7 @@ void
acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
struct acpi_thread_state *thread)
{
- ACPI_FUNCTION_TRACE("ds_push_walk_state");
+ ACPI_FUNCTION_TRACE(ds_push_walk_state);
walk_state->next = thread->walk_state_list;
thread->walk_state_list = walk_state;
@@ -593,11 +594,12 @@ struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread)
{
struct acpi_walk_state *walk_state;
- ACPI_FUNCTION_TRACE("ds_pop_walk_state");
+ ACPI_FUNCTION_TRACE(ds_pop_walk_state);
walk_state = thread->walk_state_list;
if (walk_state) {
+
/* Next walk state becomes the current walk state */
thread->walk_state_list = walk_state->next;
@@ -618,7 +620,7 @@ struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread)
*
* PARAMETERS: owner_id - ID for object creation
* Origin - Starting point for this walk
- * mth_desc - Method object
+ * method_desc - Method object
* Thread - Current thread state
*
* RETURN: Pointer to the new walk state.
@@ -632,24 +634,24 @@ struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id,
union acpi_parse_object
*origin,
union acpi_operand_object
- *mth_desc,
+ *method_desc,
struct acpi_thread_state
*thread)
{
struct acpi_walk_state *walk_state;
acpi_status status;
- ACPI_FUNCTION_TRACE("ds_create_walk_state");
+ ACPI_FUNCTION_TRACE(ds_create_walk_state);
- walk_state = ACPI_MEM_CALLOCATE(sizeof(struct acpi_walk_state));
+ walk_state = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_walk_state));
if (!walk_state) {
return_PTR(NULL);
}
- walk_state->data_type = ACPI_DESC_TYPE_WALK;
+ walk_state->descriptor_type = ACPI_DESC_TYPE_WALK;
+ walk_state->method_desc = method_desc;
walk_state->owner_id = owner_id;
walk_state->origin = origin;
- walk_state->method_desc = mth_desc;
walk_state->thread = thread;
walk_state->parser_state.start_op = origin;
@@ -664,7 +666,7 @@ struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id,
status = acpi_ds_result_stack_push(walk_state);
if (ACPI_FAILURE(status)) {
- ACPI_MEM_FREE(walk_state);
+ ACPI_FREE(walk_state);
return_PTR(NULL);
}
@@ -701,13 +703,13 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
struct acpi_namespace_node *method_node,
u8 * aml_start,
u32 aml_length,
- struct acpi_parameter_info *info, u8 pass_number)
+ struct acpi_evaluate_info *info, u8 pass_number)
{
acpi_status status;
struct acpi_parse_state *parser_state = &walk_state->parser_state;
union acpi_parse_object *extra_op;
- ACPI_FUNCTION_TRACE("ds_init_aml_walk");
+ ACPI_FUNCTION_TRACE(ds_init_aml_walk);
walk_state->parser_state.aml =
walk_state->parser_state.aml_start = aml_start;
@@ -778,6 +780,7 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
}
if (parser_state->start_node) {
+
/* Push start scope on scope stack and make it current */
status =
@@ -810,21 +813,24 @@ void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state)
{
union acpi_generic_state *state;
- ACPI_FUNCTION_TRACE_PTR("ds_delete_walk_state", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ds_delete_walk_state, walk_state);
if (!walk_state) {
return;
}
- if (walk_state->data_type != ACPI_DESC_TYPE_WALK) {
+ if (walk_state->descriptor_type != ACPI_DESC_TYPE_WALK) {
ACPI_ERROR((AE_INFO, "%p is not a valid walk state",
walk_state));
return;
}
+ /* There should not be any open scopes */
+
if (walk_state->parser_state.scope) {
ACPI_ERROR((AE_INFO, "%p walk still has a scope list",
walk_state));
+ acpi_ps_cleanup_scope(&walk_state->parser_state);
}
/* Always must free any linked control states */
@@ -854,7 +860,7 @@ void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state)
acpi_ut_delete_generic_state(state);
}
- ACPI_MEM_FREE(walk_state);
+ ACPI_FREE(walk_state);
return_VOID;
}
@@ -879,7 +885,7 @@ acpi_ds_result_insert(void *object,
{
union acpi_generic_state *state;
- ACPI_FUNCTION_NAME("ds_result_insert");
+ ACPI_FUNCTION_NAME(ds_result_insert);
state = walk_state->results;
if (!state) {
@@ -937,7 +943,7 @@ acpi_status acpi_ds_obj_stack_delete_all(struct acpi_walk_state * walk_state)
{
u32 i;
- ACPI_FUNCTION_TRACE_PTR("ds_obj_stack_delete_all", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ds_obj_stack_delete_all, walk_state);
/* The stack size is configurable, but fixed */
@@ -969,7 +975,7 @@ acpi_status
acpi_ds_obj_stack_pop_object(union acpi_operand_object **object,
struct acpi_walk_state *walk_state)
{
- ACPI_FUNCTION_NAME("ds_obj_stack_pop_object");
+ ACPI_FUNCTION_NAME(ds_obj_stack_pop_object);
/* Check for stack underflow */
@@ -1025,7 +1031,7 @@ acpi_ds_obj_stack_pop_object(union acpi_operand_object **object,
void *acpi_ds_obj_stack_get_value(u32 index, struct acpi_walk_state *walk_state)
{
- ACPI_FUNCTION_TRACE_PTR("ds_obj_stack_get_value", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ds_obj_stack_get_value, walk_state);
/* Can't do it if the stack is empty */
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index eee0864ba300..18b3ea9dace2 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -116,7 +116,7 @@ union acpi_ec {
struct acpi_generic_address command_addr;
struct acpi_generic_address data_addr;
unsigned long global_lock;
- spinlock_t lock;
+ struct semaphore sem;
} poll;
};
@@ -323,7 +323,6 @@ static int acpi_ec_poll_read(union acpi_ec *ec, u8 address, u32 * data)
{
acpi_status status = AE_OK;
int result = 0;
- unsigned long flags = 0;
u32 glk = 0;
ACPI_FUNCTION_TRACE("acpi_ec_read");
@@ -339,8 +338,11 @@ static int acpi_ec_poll_read(union acpi_ec *ec, u8 address, u32 * data)
return_VALUE(-ENODEV);
}
- spin_lock_irqsave(&ec->poll.lock, flags);
-
+ if (down_interruptible(&ec->poll.sem)) {
+ result = -ERESTARTSYS;
+ goto end_nosem;
+ }
+
acpi_hw_low_level_write(8, ACPI_EC_COMMAND_READ,
&ec->common.command_addr);
result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
@@ -358,8 +360,8 @@ static int acpi_ec_poll_read(union acpi_ec *ec, u8 address, u32 * data)
*data, address));
end:
- spin_unlock_irqrestore(&ec->poll.lock, flags);
-
+ up(&ec->poll.sem);
+end_nosem:
if (ec->common.global_lock)
acpi_release_global_lock(glk);
@@ -370,7 +372,6 @@ static int acpi_ec_poll_write(union acpi_ec *ec, u8 address, u8 data)
{
int result = 0;
acpi_status status = AE_OK;
- unsigned long flags = 0;
u32 glk = 0;
ACPI_FUNCTION_TRACE("acpi_ec_write");
@@ -384,8 +385,11 @@ static int acpi_ec_poll_write(union acpi_ec *ec, u8 address, u8 data)
return_VALUE(-ENODEV);
}
- spin_lock_irqsave(&ec->poll.lock, flags);
-
+ if (down_interruptible(&ec->poll.sem)) {
+ result = -ERESTARTSYS;
+ goto end_nosem;
+ }
+
acpi_hw_low_level_write(8, ACPI_EC_COMMAND_WRITE,
&ec->common.command_addr);
result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
@@ -406,8 +410,8 @@ static int acpi_ec_poll_write(union acpi_ec *ec, u8 address, u8 data)
data, address));
end:
- spin_unlock_irqrestore(&ec->poll.lock, flags);
-
+ up(&ec->poll.sem);
+end_nosem:
if (ec->common.global_lock)
acpi_release_global_lock(glk);
@@ -568,7 +572,6 @@ static int acpi_ec_poll_query(union acpi_ec *ec, u32 * data)
{
int result = 0;
acpi_status status = AE_OK;
- unsigned long flags = 0;
u32 glk = 0;
ACPI_FUNCTION_TRACE("acpi_ec_query");
@@ -589,8 +592,11 @@ static int acpi_ec_poll_query(union acpi_ec *ec, u32 * data)
* Note that successful completion of the query causes the ACPI_EC_SCI
* bit to be cleared (and thus clearing the interrupt source).
*/
- spin_lock_irqsave(&ec->poll.lock, flags);
-
+ if (down_interruptible(&ec->poll.sem)) {
+ result = -ERESTARTSYS;
+ goto end_nosem;
+ }
+
acpi_hw_low_level_write(8, ACPI_EC_COMMAND_QUERY,
&ec->common.command_addr);
result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
@@ -602,8 +608,8 @@ static int acpi_ec_poll_query(union acpi_ec *ec, u32 * data)
result = -ENODATA;
end:
- spin_unlock_irqrestore(&ec->poll.lock, flags);
-
+ up(&ec->poll.sem);
+end_nosem:
if (ec->common.global_lock)
acpi_release_global_lock(glk);
@@ -680,7 +686,6 @@ static void acpi_ec_gpe_poll_query(void *ec_cxt)
{
union acpi_ec *ec = (union acpi_ec *)ec_cxt;
u32 value = 0;
- unsigned long flags = 0;
static char object_name[5] = { '_', 'Q', '0', '0', '\0' };
const char hex[] = { '0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
@@ -691,9 +696,11 @@ static void acpi_ec_gpe_poll_query(void *ec_cxt)
if (!ec_cxt)
goto end;
- spin_lock_irqsave(&ec->poll.lock, flags);
+ if (down_interruptible (&ec->poll.sem)) {
+ return_VOID;
+ }
acpi_hw_low_level_read(8, &value, &ec->common.command_addr);
- spin_unlock_irqrestore(&ec->poll.lock, flags);
+ up(&ec->poll.sem);
/* TBD: Implement asynch events!
* NOTE: All we care about are EC-SCI's. Other EC events are
@@ -763,8 +770,7 @@ static u32 acpi_ec_gpe_poll_handler(void *data)
acpi_disable_gpe(NULL, ec->common.gpe_bit, ACPI_ISR);
- status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE,
- acpi_ec_gpe_query, ec);
+ status = acpi_os_execute(OSL_EC_POLL_HANDLER, acpi_ec_gpe_query, ec);
if (status == AE_OK)
return ACPI_INTERRUPT_HANDLED;
@@ -799,7 +805,7 @@ static u32 acpi_ec_gpe_intr_handler(void *data)
if (value & ACPI_EC_FLAG_SCI) {
atomic_add(1, &ec->intr.pending_gpe);
- status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE,
+ status = acpi_os_execute(OSL_EC_BURST_HANDLER,
acpi_ec_gpe_query, ec);
return status == AE_OK ?
ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED;
@@ -991,7 +997,6 @@ static int acpi_ec_poll_add(struct acpi_device *device)
int result = 0;
acpi_status status = AE_OK;
union acpi_ec *ec = NULL;
- unsigned long uid;
ACPI_FUNCTION_TRACE("acpi_ec_add");
@@ -1005,7 +1010,7 @@ static int acpi_ec_poll_add(struct acpi_device *device)
ec->common.handle = device->handle;
ec->common.uid = -1;
- spin_lock_init(&ec->poll.lock);
+ init_MUTEX(&ec->poll.sem);
strcpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_EC_CLASS);
acpi_driver_data(device) = ec;
@@ -1014,10 +1019,9 @@ static int acpi_ec_poll_add(struct acpi_device *device)
acpi_evaluate_integer(ec->common.handle, "_GLK", NULL,
&ec->common.global_lock);
- /* If our UID matches the UID for the ECDT-enumerated EC,
- we now have the *real* EC info, so kill the makeshift one. */
- acpi_evaluate_integer(ec->common.handle, "_UID", NULL, &uid);
- if (ec_ecdt && ec_ecdt->common.uid == uid) {
+ /* XXX we don't test uids, because on some boxes ecdt uid = 0, see:
+ http://bugzilla.kernel.org/show_bug.cgi?id=6111 */
+ if (ec_ecdt) {
acpi_remove_address_space_handler(ACPI_ROOT_OBJECT,
ACPI_ADR_SPACE_EC,
&acpi_ec_space_handler);
@@ -1062,7 +1066,6 @@ static int acpi_ec_intr_add(struct acpi_device *device)
int result = 0;
acpi_status status = AE_OK;
union acpi_ec *ec = NULL;
- unsigned long uid;
ACPI_FUNCTION_TRACE("acpi_ec_add");
@@ -1088,10 +1091,9 @@ static int acpi_ec_intr_add(struct acpi_device *device)
acpi_evaluate_integer(ec->common.handle, "_GLK", NULL,
&ec->common.global_lock);
- /* If our UID matches the UID for the ECDT-enumerated EC,
- we now have the *real* EC info, so kill the makeshift one. */
- acpi_evaluate_integer(ec->common.handle, "_UID", NULL, &uid);
- if (ec_ecdt && ec_ecdt->common.uid == uid) {
+ /* XXX we don't test uids, because on some boxes ecdt uid = 0, see:
+ http://bugzilla.kernel.org/show_bug.cgi?id=6111 */
+ if (ec_ecdt) {
acpi_remove_address_space_handler(ACPI_ROOT_OBJECT,
ACPI_ADR_SPACE_EC,
&acpi_ec_space_handler);
@@ -1300,7 +1302,7 @@ acpi_fake_ecdt_poll_callback(acpi_handle handle,
&ec_ecdt->common.gpe_bit);
if (ACPI_FAILURE(status))
return status;
- spin_lock_init(&ec_ecdt->poll.lock);
+ init_MUTEX(&ec_ecdt->poll.sem);
ec_ecdt->common.global_lock = TRUE;
ec_ecdt->common.handle = handle;
@@ -1416,7 +1418,7 @@ static int __init acpi_ec_poll_get_real_ecdt(void)
ec_ecdt->common.status_addr = ecdt_ptr->ec_control;
ec_ecdt->common.data_addr = ecdt_ptr->ec_data;
ec_ecdt->common.gpe_bit = ecdt_ptr->gpe_bit;
- spin_lock_init(&ec_ecdt->poll.lock);
+ init_MUTEX(&ec_ecdt->poll.sem);
/* use the GL just to be safe */
ec_ecdt->common.global_lock = TRUE;
ec_ecdt->common.uid = ecdt_ptr->uid;
diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c
index c9ac05c4685f..919037d6acff 100644
--- a/drivers/acpi/events/evevent.c
+++ b/drivers/acpi/events/evevent.c
@@ -68,7 +68,7 @@ acpi_status acpi_ev_initialize_events(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_initialize_events");
+ ACPI_FUNCTION_TRACE(ev_initialize_events);
/* Make sure we have ACPI tables */
@@ -118,7 +118,7 @@ acpi_status acpi_ev_install_fadt_gpes(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_install_fadt_gpes");
+ ACPI_FUNCTION_TRACE(ev_install_fadt_gpes);
/* Namespace must be locked */
@@ -157,7 +157,7 @@ acpi_status acpi_ev_install_xrupt_handlers(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_install_xrupt_handlers");
+ ACPI_FUNCTION_TRACE(ev_install_xrupt_handlers);
/* Install the SCI handler */
@@ -241,7 +241,7 @@ u32 acpi_ev_fixed_event_detect(void)
u32 fixed_enable;
acpi_native_uint i;
- ACPI_FUNCTION_NAME("ev_fixed_event_detect");
+ ACPI_FUNCTION_NAME(ev_fixed_event_detect);
/*
* Read the fixed feature status and enable registers, as all the cases
@@ -260,12 +260,14 @@ u32 acpi_ev_fixed_event_detect(void)
* Check for all possible Fixed Events and dispatch those that are active
*/
for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
+
/* Both the status and enable bits must be on for this event */
if ((fixed_status & acpi_gbl_fixed_event_info[i].
status_bit_mask)
&& (fixed_enable & acpi_gbl_fixed_event_info[i].
enable_bit_mask)) {
+
/* Found an active (signalled) event */
int_status |= acpi_ev_fixed_event_dispatch((u32) i);
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index f64f977dd3d5..f01d339407f8 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -69,7 +69,7 @@ acpi_ev_set_gpe_type(struct acpi_gpe_event_info *gpe_event_info, u8 type)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_set_gpe_type");
+ ACPI_FUNCTION_TRACE(ev_set_gpe_type);
/* Validate type and update register enable masks */
@@ -115,7 +115,7 @@ acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info,
struct acpi_gpe_register_info *gpe_register_info;
u8 register_bit;
- ACPI_FUNCTION_TRACE("ev_update_gpe_enable_masks");
+ ACPI_FUNCTION_TRACE(ev_update_gpe_enable_masks);
gpe_register_info = gpe_event_info->register_info;
if (!gpe_register_info) {
@@ -178,7 +178,7 @@ acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info,
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_enable_gpe");
+ ACPI_FUNCTION_TRACE(ev_enable_gpe);
/* Make sure HW enable masks are updated */
@@ -207,6 +207,7 @@ acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info,
ACPI_SET_BIT(gpe_event_info->flags, ACPI_GPE_RUN_ENABLED);
if (write_to_hardware) {
+
/* Clear the GPE (of stale events), then enable it */
status = acpi_hw_clear_gpe(gpe_event_info);
@@ -243,7 +244,7 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_disable_gpe");
+ ACPI_FUNCTION_TRACE(ev_disable_gpe);
if (!(gpe_event_info->flags & ACPI_GPE_ENABLE_MASK)) {
return_ACPI_STATUS(AE_OK);
@@ -313,6 +314,7 @@ struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
/* A NULL gpe_block means use the FADT-defined GPE block(s) */
if (!gpe_device) {
+
/* Examine GPE Block 0 and 1 (These blocks are permanent) */
for (i = 0; i < ACPI_MAX_GPE_BLOCKS; i++) {
@@ -380,10 +382,11 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
u32 status_reg;
u32 enable_reg;
acpi_cpu_flags flags;
+ acpi_cpu_flags hw_flags;
acpi_native_uint i;
acpi_native_uint j;
- ACPI_FUNCTION_NAME("ev_gpe_detect");
+ ACPI_FUNCTION_NAME(ev_gpe_detect);
/* Check for the case where there are no GPEs */
@@ -391,9 +394,12 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
return (int_status);
}
- /* Examine all GPE blocks attached to this interrupt level */
+ /* We need to hold the GPE lock now, hardware lock in the loop */
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Examine all GPE blocks attached to this interrupt level */
+
gpe_block = gpe_xrupt_list->gpe_block_list_head;
while (gpe_block) {
/*
@@ -402,10 +408,13 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
* Find all currently active GP events.
*/
for (i = 0; i < gpe_block->register_count; i++) {
+
/* Get the next status/enable pair */
gpe_register_info = &gpe_block->register_info[i];
+ hw_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
+
/* Read the Status Register */
status =
@@ -414,6 +423,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
&gpe_register_info->
status_address);
if (ACPI_FAILURE(status)) {
+ acpi_os_release_lock(acpi_gbl_hardware_lock,
+ hw_flags);
goto unlock_and_exit;
}
@@ -424,6 +435,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
&enable_reg,
&gpe_register_info->
enable_address);
+ acpi_os_release_lock(acpi_gbl_hardware_lock, hw_flags);
+
if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
@@ -437,6 +450,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
enabled_status_byte = (u8) (status_reg & enable_reg);
if (!enabled_status_byte) {
+
/* No active GPEs in this register, move on */
continue;
@@ -445,6 +459,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
/* Now look at the individual GPEs in this byte register */
for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
+
/* Examine one GPE bit */
if (enabled_status_byte &
@@ -483,9 +498,9 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
*
* RETURN: None
*
- * DESCRIPTION: Perform the actual execution of a GPE control method. This
- * function is called from an invocation of acpi_os_queue_for_execution
- * (and therefore does NOT execute at interrupt level) so that
+ * DESCRIPTION: Perform the actual execution of a GPE control method. This
+ * function is called from an invocation of acpi_os_execute and
+ * therefore does NOT execute at interrupt level - so that
* the control method itself is not executed in the context of
* an interrupt handler.
*
@@ -494,12 +509,11 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
{
struct acpi_gpe_event_info *gpe_event_info = (void *)context;
- u32 gpe_number = 0;
acpi_status status;
struct acpi_gpe_event_info local_gpe_event_info;
- struct acpi_parameter_info info;
+ struct acpi_evaluate_info *info;
- ACPI_FUNCTION_TRACE("ev_asynch_execute_gpe_method");
+ ACPI_FUNCTION_TRACE(ev_asynch_execute_gpe_method);
status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
if (ACPI_FAILURE(status)) {
@@ -535,22 +549,35 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
*/
if ((local_gpe_event_info.flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_METHOD) {
- /*
- * Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the _Lxx/_Exx
- * control method that corresponds to this GPE
- */
- info.node = local_gpe_event_info.dispatch.method_node;
- info.parameters =
- ACPI_CAST_PTR(union acpi_operand_object *, gpe_event_info);
- info.parameter_type = ACPI_PARAM_GPE;
- status = acpi_ns_evaluate_by_handle(&info);
+ /* Allocate the evaluation information block */
+
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ status = AE_NO_MEMORY;
+ } else {
+ /*
+ * Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the _Lxx/_Exx
+ * control method that corresponds to this GPE
+ */
+ info->prefix_node =
+ local_gpe_event_info.dispatch.method_node;
+ info->parameters =
+ ACPI_CAST_PTR(union acpi_operand_object *,
+ gpe_event_info);
+ info->parameter_type = ACPI_PARAM_GPE;
+ info->flags = ACPI_IGNORE_RETURN_VALUE;
+
+ status = acpi_ns_evaluate(info);
+ ACPI_FREE(info);
+ }
+
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
- "While evaluating method [%4.4s] for GPE[%2X]",
+ "While evaluating GPE method [%4.4s]",
acpi_ut_get_node_name
(local_gpe_event_info.dispatch.
- method_node), gpe_number));
+ method_node)));
}
}
@@ -593,7 +620,7 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_gpe_dispatch");
+ ACPI_FUNCTION_TRACE(ev_gpe_dispatch);
/*
* If edge-triggered, clear the GPE status bit now. Note that
@@ -669,9 +696,9 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
* Execute the method associated with the GPE
* NOTE: Level-triggered GPEs are cleared after the method completes.
*/
- status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE,
- acpi_ev_asynch_execute_gpe_method,
- gpe_event_info);
+ status = acpi_os_execute(OSL_GPE_HANDLER,
+ acpi_ev_asynch_execute_gpe_method,
+ gpe_event_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Unable to queue handler for GPE[%2X] - event disabled",
@@ -716,7 +743,7 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
*
* DESCRIPTION: Determine if a a GPE is "wake-only".
*
- * Called from Notify() code in interpreter when a "device_wake"
+ * Called from Notify() code in interpreter when a "DeviceWake"
* Notify comes in.
*
******************************************************************************/
@@ -726,7 +753,7 @@ acpi_ev_check_for_wake_only_gpe(struct acpi_gpe_event_info *gpe_event_info)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_check_for_wake_only_gpe");
+ ACPI_FUNCTION_TRACE(ev_check_for_wake_only_gpe);
if ((gpe_event_info) && /* Only >0 for _Lxx/_Exx */
((gpe_event_info->flags & ACPI_GPE_SYSTEM_MASK) == ACPI_GPE_SYSTEM_RUNNING)) { /* System state at GPE time */
diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c
index 0fd00b5ad650..95ddeb48bc0f 100644
--- a/drivers/acpi/events/evgpeblk.c
+++ b/drivers/acpi/events/evgpeblk.c
@@ -131,14 +131,14 @@ u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info)
*
******************************************************************************/
-acpi_status acpi_ev_walk_gpe_list(ACPI_GPE_CALLBACK gpe_walk_callback)
+acpi_status acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback)
{
struct acpi_gpe_block_info *gpe_block;
struct acpi_gpe_xrupt_info *gpe_xrupt_info;
acpi_status status = AE_OK;
acpi_cpu_flags flags;
- ACPI_FUNCTION_TRACE("ev_walk_gpe_list");
+ ACPI_FUNCTION_TRACE(ev_walk_gpe_list);
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
@@ -146,10 +146,12 @@ acpi_status acpi_ev_walk_gpe_list(ACPI_GPE_CALLBACK gpe_walk_callback)
gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
while (gpe_xrupt_info) {
+
/* Walk all Gpe Blocks attached to this interrupt level */
gpe_block = gpe_xrupt_info->gpe_block_list_head;
while (gpe_block) {
+
/* One callback per GPE block */
status = gpe_walk_callback(gpe_xrupt_info, gpe_block);
@@ -190,11 +192,12 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
acpi_native_uint i;
acpi_native_uint j;
- ACPI_FUNCTION_TRACE("ev_delete_gpe_handlers");
+ ACPI_FUNCTION_TRACE(ev_delete_gpe_handlers);
/* Examine each GPE Register within the block */
for (i = 0; i < gpe_block->register_count; i++) {
+
/* Now look at the individual GPEs in this byte register */
for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
@@ -204,7 +207,7 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_HANDLER) {
- ACPI_MEM_FREE(gpe_event_info->dispatch.handler);
+ ACPI_FREE(gpe_event_info->dispatch.handler);
gpe_event_info->dispatch.handler = NULL;
gpe_event_info->flags &=
~ACPI_GPE_DISPATCH_MASK;
@@ -248,7 +251,7 @@ acpi_ev_save_method_info(acpi_handle obj_handle,
u8 type;
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_save_method_info");
+ ACPI_FUNCTION_TRACE(ev_save_method_info);
/*
* _Lxx and _Exx GPE method support
@@ -279,9 +282,9 @@ acpi_ev_save_method_info(acpi_handle obj_handle,
default:
/* Unknown method type, just ignore it! */
- ACPI_ERROR((AE_INFO,
- "Unknown GPE method type: %s (name not of form _Lxx or _Exx)",
- name));
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
+ "Ignoring unknown GPE method type: %s (name not of form _Lxx or _Exx)",
+ name));
return_ACPI_STATUS(AE_OK);
}
@@ -289,11 +292,12 @@ acpi_ev_save_method_info(acpi_handle obj_handle,
gpe_number = ACPI_STRTOUL(&name[2], NULL, 16);
if (gpe_number == ACPI_UINT32_MAX) {
+
/* Conversion failed; invalid method, just ignore it */
- ACPI_ERROR((AE_INFO,
- "Could not extract GPE number from name: %s (name is not of form _Lxx or _Exx)",
- name));
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
+ "Could not extract GPE number from name: %s (name is not of form _Lxx or _Exx)",
+ name));
return_ACPI_STATUS(AE_OK);
}
@@ -364,13 +368,14 @@ acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
u32 gpe_number;
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_match_prw_and_gpe");
+ ACPI_FUNCTION_TRACE(ev_match_prw_and_gpe);
/* Check for a _PRW method under this device */
status = acpi_ut_evaluate_object(obj_handle, METHOD_NAME__PRW,
ACPI_BTYPE_PACKAGE, &pkg_desc);
if (ACPI_FAILURE(status)) {
+
/* Ignore all errors from _PRW, we don't want to abort the subsystem */
return_ACPI_STATUS(AE_OK);
@@ -394,6 +399,7 @@ acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
obj_desc = pkg_desc->package.elements[0];
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
+
/* Use FADT-defined GPE device (from definition of _PRW) */
target_gpe_device = acpi_gbl_fadt_gpe_device;
@@ -402,6 +408,7 @@ acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
gpe_number = (u32) obj_desc->integer.value;
} else if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) {
+
/* Package contains a GPE reference and GPE number within a GPE block */
if ((obj_desc->package.count < 2) ||
@@ -482,7 +489,7 @@ static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32
acpi_status status;
acpi_cpu_flags flags;
- ACPI_FUNCTION_TRACE("ev_get_gpe_xrupt_block");
+ ACPI_FUNCTION_TRACE(ev_get_gpe_xrupt_block);
/* No need for lock since we are not changing any list elements here */
@@ -497,7 +504,7 @@ static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32
/* Not found, must allocate a new xrupt descriptor */
- gpe_xrupt = ACPI_MEM_CALLOCATE(sizeof(struct acpi_gpe_xrupt_info));
+ gpe_xrupt = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_xrupt_info));
if (!gpe_xrupt) {
return_PTR(NULL);
}
@@ -556,7 +563,7 @@ acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt)
acpi_status status;
acpi_cpu_flags flags;
- ACPI_FUNCTION_TRACE("ev_delete_gpe_xrupt");
+ ACPI_FUNCTION_TRACE(ev_delete_gpe_xrupt);
/* We never want to remove the SCI interrupt handler */
@@ -588,7 +595,7 @@ acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt)
/* Free the block */
- ACPI_MEM_FREE(gpe_xrupt);
+ ACPI_FREE(gpe_xrupt);
return_ACPI_STATUS(AE_OK);
}
@@ -614,7 +621,7 @@ acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
acpi_status status;
acpi_cpu_flags flags;
- ACPI_FUNCTION_TRACE("ev_install_gpe_block");
+ ACPI_FUNCTION_TRACE(ev_install_gpe_block);
status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
if (ACPI_FAILURE(status)) {
@@ -667,7 +674,7 @@ acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
acpi_status status;
acpi_cpu_flags flags;
- ACPI_FUNCTION_TRACE("ev_install_gpe_block");
+ ACPI_FUNCTION_TRACE(ev_install_gpe_block);
status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
if (ACPI_FAILURE(status)) {
@@ -679,6 +686,7 @@ acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
status = acpi_hw_disable_gpe_block(gpe_block->xrupt_block, gpe_block);
if (!gpe_block->previous && !gpe_block->next) {
+
/* This is the last gpe_block on this interrupt */
status = acpi_ev_delete_gpe_xrupt(gpe_block->xrupt_block);
@@ -704,9 +712,9 @@ acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
/* Free the gpe_block */
- ACPI_MEM_FREE(gpe_block->register_info);
- ACPI_MEM_FREE(gpe_block->event_info);
- ACPI_MEM_FREE(gpe_block);
+ ACPI_FREE(gpe_block->register_info);
+ ACPI_FREE(gpe_block->event_info);
+ ACPI_FREE(gpe_block);
unlock_and_exit:
status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
@@ -736,17 +744,17 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
acpi_native_uint j;
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_create_gpe_info_blocks");
+ ACPI_FUNCTION_TRACE(ev_create_gpe_info_blocks);
/* Allocate the GPE register information block */
- gpe_register_info = ACPI_MEM_CALLOCATE((acpi_size) gpe_block->
- register_count *
- sizeof(struct
- acpi_gpe_register_info));
+ gpe_register_info = ACPI_ALLOCATE_ZEROED((acpi_size) gpe_block->
+ register_count *
+ sizeof(struct
+ acpi_gpe_register_info));
if (!gpe_register_info) {
ACPI_ERROR((AE_INFO,
- "Could not allocate the gpe_register_info table"));
+ "Could not allocate the GpeRegisterInfo table"));
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -754,13 +762,14 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
* Allocate the GPE event_info block. There are eight distinct GPEs
* per register. Initialization to zeros is sufficient.
*/
- gpe_event_info = ACPI_MEM_CALLOCATE(((acpi_size) gpe_block->
- register_count *
- ACPI_GPE_REGISTER_WIDTH) *
- sizeof(struct acpi_gpe_event_info));
+ gpe_event_info = ACPI_ALLOCATE_ZEROED(((acpi_size) gpe_block->
+ register_count *
+ ACPI_GPE_REGISTER_WIDTH) *
+ sizeof(struct
+ acpi_gpe_event_info));
if (!gpe_event_info) {
ACPI_ERROR((AE_INFO,
- "Could not allocate the gpe_event_info table"));
+ "Could not allocate the GpeEventInfo table"));
status = AE_NO_MEMORY;
goto error_exit;
}
@@ -780,6 +789,7 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
this_event = gpe_event_info;
for (i = 0; i < gpe_block->register_count; i++) {
+
/* Init the register_info for this GPE register (8 GPEs) */
this_register->base_gpe_number =
@@ -839,10 +849,10 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
error_exit:
if (gpe_register_info) {
- ACPI_MEM_FREE(gpe_register_info);
+ ACPI_FREE(gpe_register_info);
}
if (gpe_event_info) {
- ACPI_MEM_FREE(gpe_event_info);
+ ACPI_FREE(gpe_event_info);
}
return_ACPI_STATUS(status);
@@ -878,7 +888,7 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
acpi_status status;
struct acpi_gpe_block_info *gpe_block;
- ACPI_FUNCTION_TRACE("ev_create_gpe_block");
+ ACPI_FUNCTION_TRACE(ev_create_gpe_block);
if (!register_count) {
return_ACPI_STATUS(AE_OK);
@@ -886,7 +896,7 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
/* Allocate a new GPE block */
- gpe_block = ACPI_MEM_CALLOCATE(sizeof(struct acpi_gpe_block_info));
+ gpe_block = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_block_info));
if (!gpe_block) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -906,7 +916,7 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
*/
status = acpi_ev_create_gpe_info_blocks(gpe_block);
if (ACPI_FAILURE(status)) {
- ACPI_MEM_FREE(gpe_block);
+ ACPI_FREE(gpe_block);
return_ACPI_STATUS(status);
}
@@ -914,7 +924,7 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
status = acpi_ev_install_gpe_block(gpe_block, interrupt_number);
if (ACPI_FAILURE(status)) {
- ACPI_MEM_FREE(gpe_block);
+ ACPI_FREE(gpe_block);
return_ACPI_STATUS(status);
}
@@ -971,7 +981,7 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
acpi_native_uint i;
acpi_native_uint j;
- ACPI_FUNCTION_TRACE("ev_initialize_gpe_block");
+ ACPI_FUNCTION_TRACE(ev_initialize_gpe_block);
/* Ignore a null GPE block (e.g., if no GPE block 1 exists) */
@@ -1013,6 +1023,7 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
for (i = 0; i < gpe_block->register_count; i++) {
for (j = 0; j < 8; j++) {
+
/* Get the info block for this particular GPE */
gpe_event_info =
@@ -1040,7 +1051,7 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
status = acpi_hw_enable_runtime_gpe_block(NULL, gpe_block);
if (ACPI_FAILURE(status)) {
- ACPI_ERROR((AE_INFO, "Could not enable GPEs in gpe_block %p",
+ ACPI_ERROR((AE_INFO, "Could not enable GPEs in GpeBlock %p",
gpe_block));
}
@@ -1066,7 +1077,7 @@ acpi_status acpi_ev_gpe_initialize(void)
u32 gpe_number_max = 0;
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_gpe_initialize");
+ ACPI_FUNCTION_TRACE(ev_gpe_initialize);
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
@@ -1099,6 +1110,7 @@ acpi_status acpi_ev_gpe_initialize(void)
* particular block is not supported.
*/
if (acpi_gbl_FADT->gpe0_blk_len && acpi_gbl_FADT->xgpe0_blk.address) {
+
/* GPE block 0 exists (has both length and address > 0) */
register_count0 = (u16) (acpi_gbl_FADT->gpe0_blk_len / 2);
@@ -1121,6 +1133,7 @@ acpi_status acpi_ev_gpe_initialize(void)
}
if (acpi_gbl_FADT->gpe1_blk_len && acpi_gbl_FADT->xgpe1_blk.address) {
+
/* GPE block 1 exists (has both length and address > 0) */
register_count1 = (u16) (acpi_gbl_FADT->gpe1_blk_len / 2);
@@ -1168,6 +1181,7 @@ acpi_status acpi_ev_gpe_initialize(void)
/* Exit if there are no GPE registers */
if ((register_count0 + register_count1) == 0) {
+
/* GPEs are not required by ACPI, this is OK */
ACPI_DEBUG_PRINT((ACPI_DB_INIT,
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c
index 0909ba69577e..6eef4efddcf6 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/events/evmisc.c
@@ -49,12 +49,13 @@
#define _COMPONENT ACPI_EVENTS
ACPI_MODULE_NAME("evmisc")
+/* Names for Notify() values, used for debug output */
#ifdef ACPI_DEBUG_OUTPUT
static const char *acpi_notify_value_names[] = {
"Bus Check",
"Device Check",
"Device Wake",
- "Eject request",
+ "Eject Request",
"Device Check Light",
"Frequency Mismatch",
"Bus Mode Mismatch",
@@ -124,7 +125,7 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
union acpi_generic_state *notify_info;
acpi_status status = AE_OK;
- ACPI_FUNCTION_NAME("ev_queue_notify_request");
+ ACPI_FUNCTION_NAME(ev_queue_notify_request);
/*
* For value 3 (Ejection Request), some device method may need to be run.
@@ -150,6 +151,7 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
obj_desc = acpi_ns_get_attached_object(node);
if (obj_desc) {
+
/* We have the notify object, Get the right handler */
switch (node->type) {
@@ -184,14 +186,15 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
return (AE_NO_MEMORY);
}
- notify_info->common.data_type = ACPI_DESC_TYPE_STATE_NOTIFY;
+ notify_info->common.descriptor_type =
+ ACPI_DESC_TYPE_STATE_NOTIFY;
notify_info->notify.node = node;
notify_info->notify.value = (u16) notify_value;
notify_info->notify.handler_obj = handler_obj;
- status = acpi_os_queue_for_execution(OSD_PRIORITY_HIGH,
- acpi_ev_notify_dispatch,
- notify_info);
+ status =
+ acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch,
+ notify_info);
if (ACPI_FAILURE(status)) {
acpi_ut_delete_generic_state(notify_info);
}
@@ -240,6 +243,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context)
* to the device.
*/
if (notify_info->notify.value <= ACPI_MAX_SYS_NOTIFY) {
+
/* Global system notification handler */
if (acpi_gbl_system_notify.handler) {
@@ -297,6 +301,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_global_lock_thread(void *context)
/* Signal threads that are waiting for the lock */
if (acpi_gbl_global_lock_thread_count) {
+
/* Send sufficient units to the semaphore */
status =
@@ -335,15 +340,16 @@ static u32 acpi_ev_global_lock_handler(void *context)
*/
ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired);
if (acquired) {
+
/* Got the lock, now wake all threads waiting for it */
acpi_gbl_global_lock_acquired = TRUE;
/* Run the Global Lock thread which will signal all waiting threads */
- status = acpi_os_queue_for_execution(OSD_PRIORITY_HIGH,
- acpi_ev_global_lock_thread,
- context);
+ status =
+ acpi_os_execute(OSL_GLOBAL_LOCK_HANDLER,
+ acpi_ev_global_lock_thread, context);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not queue Global Lock thread"));
@@ -371,7 +377,7 @@ acpi_status acpi_ev_init_global_lock_handler(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_init_global_lock_handler");
+ ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);
acpi_gbl_global_lock_present = TRUE;
status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,
@@ -413,7 +419,7 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout)
acpi_status status = AE_OK;
u8 acquired = FALSE;
- ACPI_FUNCTION_TRACE("ev_acquire_global_lock");
+ ACPI_FUNCTION_TRACE(ev_acquire_global_lock);
#ifndef ACPI_APPLICATION
/* Make sure that we actually have a global lock */
@@ -439,6 +445,7 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout)
ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired);
if (acquired) {
+
/* We got the lock */
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
@@ -458,8 +465,9 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout)
* Acquire the global lock semaphore first.
* Since this wait will block, we must release the interpreter
*/
- status = acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore,
- timeout);
+ status =
+ acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore,
+ timeout);
return_ACPI_STATUS(status);
}
@@ -480,7 +488,7 @@ acpi_status acpi_ev_release_global_lock(void)
u8 pending = FALSE;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ev_release_global_lock");
+ ACPI_FUNCTION_TRACE(ev_release_global_lock);
if (!acpi_gbl_global_lock_thread_count) {
ACPI_WARNING((AE_INFO,
@@ -492,6 +500,7 @@ acpi_status acpi_ev_release_global_lock(void)
acpi_gbl_global_lock_thread_count--;
if (acpi_gbl_global_lock_thread_count) {
+
/* There are still some threads holding the lock, cannot release */
return_ACPI_STATUS(AE_OK);
@@ -533,7 +542,7 @@ void acpi_ev_terminate(void)
acpi_native_uint i;
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_terminate");
+ ACPI_FUNCTION_TRACE(ev_terminate);
if (acpi_gbl_events_initialized) {
/*
@@ -573,7 +582,7 @@ void acpi_ev_terminate(void)
if (acpi_gbl_original_mode == ACPI_SYS_MODE_LEGACY) {
status = acpi_disable();
if (ACPI_FAILURE(status)) {
- ACPI_WARNING((AE_INFO, "acpi_disable failed"));
+ ACPI_WARNING((AE_INFO, "AcpiDisable failed"));
}
}
return_VOID;
diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c
index 6da58e776413..094a17e4c86d 100644
--- a/drivers/acpi/events/evregion.c
+++ b/drivers/acpi/events/evregion.c
@@ -83,7 +83,7 @@ acpi_status acpi_ev_install_region_handlers(void)
acpi_status status;
acpi_native_uint i;
- ACPI_FUNCTION_TRACE("ev_install_region_handlers");
+ ACPI_FUNCTION_TRACE(ev_install_region_handlers);
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
@@ -153,7 +153,7 @@ acpi_status acpi_ev_initialize_op_regions(void)
acpi_status status;
acpi_native_uint i;
- ACPI_FUNCTION_TRACE("ev_initialize_op_regions");
+ ACPI_FUNCTION_TRACE(ev_initialize_op_regions);
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
@@ -164,6 +164,7 @@ acpi_status acpi_ev_initialize_op_regions(void)
* Run the _REG methods for op_regions in each default address space
*/
for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) {
+
/* TBD: Make sure handler is the DEFAULT handler, otherwise
* _REG will have already been run.
*/
@@ -192,12 +193,12 @@ acpi_status acpi_ev_initialize_op_regions(void)
acpi_status
acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
{
- struct acpi_parameter_info info;
- union acpi_operand_object *params[3];
+ struct acpi_evaluate_info *info;
+ union acpi_operand_object *args[3];
union acpi_operand_object *region_obj2;
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_execute_reg_method");
+ ACPI_FUNCTION_TRACE(ev_execute_reg_method);
region_obj2 = acpi_ns_get_secondary_object(region_obj);
if (!region_obj2) {
@@ -208,48 +209,60 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
return_ACPI_STATUS(AE_OK);
}
+ /* Allocate and initialize the evaluation information block */
+
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ info->prefix_node = region_obj2->extra.method_REG;
+ info->pathname = NULL;
+ info->parameters = args;
+ info->parameter_type = ACPI_PARAM_ARGS;
+ info->flags = ACPI_IGNORE_RETURN_VALUE;
+
/*
* The _REG method has two arguments:
*
- * Arg0, Integer: Operation region space ID
- * Same value as region_obj->Region.space_id
- * Arg1, Integer: connection status
- * 1 for connecting the handler,
- * 0 for disconnecting the handler
- * Passed as a parameter
+ * Arg0 - Integer:
+ * Operation region space ID Same value as region_obj->Region.space_id
+ *
+ * Arg1 - Integer:
+ * connection status 1 for connecting the handler, 0 for disconnecting
+ * the handler (Passed as a parameter)
*/
- params[0] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
- if (!params[0]) {
- return_ACPI_STATUS(AE_NO_MEMORY);
+ args[0] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+ if (!args[0]) {
+ status = AE_NO_MEMORY;
+ goto cleanup1;
}
- params[1] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
- if (!params[1]) {
+ args[1] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+ if (!args[1]) {
status = AE_NO_MEMORY;
- goto cleanup;
+ goto cleanup2;
}
/* Setup the parameter objects */
- params[0]->integer.value = region_obj->region.space_id;
- params[1]->integer.value = function;
- params[2] = NULL;
-
- info.node = region_obj2->extra.method_REG;
- info.parameters = params;
- info.parameter_type = ACPI_PARAM_ARGS;
+ args[0]->integer.value = region_obj->region.space_id;
+ args[1]->integer.value = function;
+ args[2] = NULL;
/* Execute the method, no return value */
ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
- (ACPI_TYPE_METHOD, info.node, NULL));
- status = acpi_ns_evaluate_by_handle(&info);
+ (ACPI_TYPE_METHOD, info->prefix_node, NULL));
- acpi_ut_remove_reference(params[1]);
+ status = acpi_ns_evaluate(info);
+ acpi_ut_remove_reference(args[1]);
- cleanup:
- acpi_ut_remove_reference(params[0]);
+ cleanup2:
+ acpi_ut_remove_reference(args[0]);
+ cleanup1:
+ ACPI_FREE(info);
return_ACPI_STATUS(status);
}
@@ -261,7 +274,8 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
* Function - Read or Write operation
* Address - Where in the space to read or write
* bit_width - Field width in bits (8, 16, 32, or 64)
- * Value - Pointer to in or out value
+ * Value - Pointer to in or out value, must be
+ * full 64-bit acpi_integer
*
* RETURN: Status
*
@@ -274,7 +288,7 @@ acpi_status
acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
u32 function,
acpi_physical_address address,
- u32 bit_width, void *value)
+ u32 bit_width, acpi_integer * value)
{
acpi_status status;
acpi_status status2;
@@ -284,7 +298,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
union acpi_operand_object *region_obj2;
void *region_context = NULL;
- ACPI_FUNCTION_TRACE("ev_address_space_dispatch");
+ ACPI_FUNCTION_TRACE(ev_address_space_dispatch);
region_obj2 = acpi_ns_get_secondary_object(region_obj);
if (!region_obj2) {
@@ -315,6 +329,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
*/
region_setup = handler_desc->address_space.setup;
if (!region_setup) {
+
/* No initialization routine, exit with error */
ACPI_ERROR((AE_INFO,
@@ -361,9 +376,10 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
region_obj->region.flags |= AOPOBJ_SETUP_COMPLETE;
if (region_obj2->extra.region_context) {
+
/* The handler for this region was already installed */
- ACPI_MEM_FREE(region_context);
+ ACPI_FREE(region_context);
} else {
/*
* Save the returned context for use in all accesses to
@@ -386,9 +402,8 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
acpi_ut_get_region_name(region_obj->region.
space_id)));
- if (!
- (handler_desc->address_space.
- hflags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
+ if (!(handler_desc->address_space.handler_flags &
+ ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
/*
* For handlers other than the default (supplied) handlers, we must
* exit the interpreter because the handler *might* block -- we don't
@@ -409,9 +424,8 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
space_id)));
}
- if (!
- (handler_desc->address_space.
- hflags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
+ if (!(handler_desc->address_space.handler_flags &
+ ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
/*
* We just returned from a non-default handler, we must re-enter the
* interpreter
@@ -451,7 +465,7 @@ acpi_ev_detach_region(union acpi_operand_object *region_obj,
union acpi_operand_object *region_obj2;
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_detach_region");
+ ACPI_FUNCTION_TRACE(ev_detach_region);
region_obj2 = acpi_ns_get_secondary_object(region_obj);
if (!region_obj2) {
@@ -463,6 +477,7 @@ acpi_ev_detach_region(union acpi_operand_object *region_obj,
handler_obj = region_obj->region.handler;
if (!handler_obj) {
+
/* This region has no handler, all done */
return_VOID;
@@ -474,6 +489,7 @@ acpi_ev_detach_region(union acpi_operand_object *region_obj,
last_obj_ptr = &handler_obj->address_space.region_list;
while (obj_desc) {
+
/* Is this the correct Region? */
if (obj_desc == region_obj) {
@@ -583,7 +599,7 @@ acpi_ev_attach_region(union acpi_operand_object *handler_obj,
u8 acpi_ns_is_locked)
{
- ACPI_FUNCTION_TRACE("ev_attach_region");
+ ACPI_FUNCTION_TRACE(ev_attach_region);
ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
"Adding Region [%4.4s] %p to address handler %p [%s]\n",
@@ -636,7 +652,7 @@ acpi_ev_install_handler(acpi_handle obj_handle,
struct acpi_namespace_node *node;
acpi_status status;
- ACPI_FUNCTION_NAME("ev_install_handler");
+ ACPI_FUNCTION_NAME(ev_install_handler);
handler_obj = (union acpi_operand_object *)context;
@@ -666,6 +682,7 @@ acpi_ev_install_handler(acpi_handle obj_handle,
obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
+
/* No object, just exit */
return (AE_OK);
@@ -674,10 +691,12 @@ acpi_ev_install_handler(acpi_handle obj_handle,
/* Devices are handled different than regions */
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_DEVICE) {
+
/* Check if this Device already has a handler for this address space */
next_handler_obj = obj_desc->device.handler;
while (next_handler_obj) {
+
/* Found a handler, is it for the same address space? */
if (next_handler_obj->address_space.space_id ==
@@ -764,9 +783,9 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node,
union acpi_operand_object *handler_obj;
acpi_status status;
acpi_object_type type;
- u16 flags = 0;
+ u8 flags = 0;
- ACPI_FUNCTION_TRACE("ev_install_space_handler");
+ ACPI_FUNCTION_TRACE(ev_install_space_handler);
/*
* This registration is valid for only the types below
@@ -839,6 +858,7 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node,
/* Walk the handler list for this device */
while (handler_obj) {
+
/* Same space_id indicates a handler already installed */
if (handler_obj->address_space.space_id == space_id) {
@@ -921,7 +941,7 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node,
/* Init handler obj */
handler_obj->address_space.space_id = (u8) space_id;
- handler_obj->address_space.hflags = flags;
+ handler_obj->address_space.handler_flags = flags;
handler_obj->address_space.region_list = NULL;
handler_obj->address_space.node = node;
handler_obj->address_space.handler = handler;
@@ -979,7 +999,7 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_execute_reg_methods");
+ ACPI_FUNCTION_TRACE(ev_execute_reg_methods);
/*
* Run all _REG methods for all Operation Regions for this
@@ -1001,7 +1021,7 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
*
* PARAMETERS: walk_namespace callback
*
- * DESCRIPTION: Run _REg method for region objects of the requested space_iD
+ * DESCRIPTION: Run _REG method for region objects of the requested space_iD
*
******************************************************************************/
@@ -1035,6 +1055,7 @@ acpi_ev_reg_run(acpi_handle obj_handle,
obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
+
/* No object, just exit */
return (AE_OK);
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c
index baed8c1a1b9f..5b3c7a85eb9a 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/events/evrgnini.c
@@ -71,11 +71,22 @@ acpi_ev_system_memory_region_setup(acpi_handle handle,
(union acpi_operand_object *)handle;
struct acpi_mem_space_context *local_region_context;
- ACPI_FUNCTION_TRACE("ev_system_memory_region_setup");
+ ACPI_FUNCTION_TRACE(ev_system_memory_region_setup);
if (function == ACPI_REGION_DEACTIVATE) {
if (*region_context) {
- ACPI_MEM_FREE(*region_context);
+ local_region_context =
+ (struct acpi_mem_space_context *)*region_context;
+
+ /* Delete a cached mapping if present */
+
+ if (local_region_context->mapped_length) {
+ acpi_os_unmap_memory(local_region_context->
+ mapped_logical_address,
+ local_region_context->
+ mapped_length);
+ }
+ ACPI_FREE(local_region_context);
*region_context = NULL;
}
return_ACPI_STATUS(AE_OK);
@@ -84,7 +95,7 @@ acpi_ev_system_memory_region_setup(acpi_handle handle,
/* Create a new context */
local_region_context =
- ACPI_MEM_CALLOCATE(sizeof(struct acpi_mem_space_context));
+ ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_mem_space_context));
if (!(local_region_context)) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -118,7 +129,7 @@ acpi_ev_io_space_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context)
{
- ACPI_FUNCTION_TRACE("ev_io_space_region_setup");
+ ACPI_FUNCTION_TRACE(ev_io_space_region_setup);
if (function == ACPI_REGION_DEACTIVATE) {
*region_context = NULL;
@@ -161,7 +172,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
(union acpi_operand_object *)handle;
struct acpi_device_id object_hID;
- ACPI_FUNCTION_TRACE("ev_pci_config_region_setup");
+ ACPI_FUNCTION_TRACE(ev_pci_config_region_setup);
handler_obj = region_obj->region.handler;
if (!handler_obj) {
@@ -178,7 +189,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
*region_context = NULL;
if (function == ACPI_REGION_DEACTIVATE) {
if (pci_id) {
- ACPI_MEM_FREE(pci_id);
+ ACPI_FREE(pci_id);
}
return_ACPI_STATUS(status);
}
@@ -199,6 +210,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
* handlers with that device.
*/
if (handler_obj->address_space.node == acpi_gbl_root_node) {
+
/* Start search from the parent object */
pci_root_node = parent_node;
@@ -220,6 +232,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
PCI_EXPRESS_ROOT_HID_STRING,
sizeof(PCI_EXPRESS_ROOT_HID_STRING)))))
{
+
/* Install a handler for this PCI root bridge */
status =
@@ -235,7 +248,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
} else {
ACPI_EXCEPTION((AE_INFO,
status,
- "Could not install pci_config handler for Root Bridge %4.4s",
+ "Could not install PciConfig handler for Root Bridge %4.4s",
acpi_ut_get_node_name
(pci_root_node)));
}
@@ -262,7 +275,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
/* Region is still not initialized. Create a new context */
- pci_id = ACPI_MEM_CALLOCATE(sizeof(struct acpi_pci_id));
+ pci_id = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pci_id));
if (!pci_id) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -337,7 +350,7 @@ acpi_ev_pci_bar_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context)
{
- ACPI_FUNCTION_TRACE("ev_pci_bar_region_setup");
+ ACPI_FUNCTION_TRACE(ev_pci_bar_region_setup);
return_ACPI_STATUS(AE_OK);
}
@@ -364,7 +377,7 @@ acpi_ev_cmos_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context)
{
- ACPI_FUNCTION_TRACE("ev_cmos_region_setup");
+ ACPI_FUNCTION_TRACE(ev_cmos_region_setup);
return_ACPI_STATUS(AE_OK);
}
@@ -389,7 +402,7 @@ acpi_ev_default_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context)
{
- ACPI_FUNCTION_TRACE("ev_default_region_setup");
+ ACPI_FUNCTION_TRACE(ev_default_region_setup);
if (function == ACPI_REGION_DEACTIVATE) {
*region_context = NULL;
@@ -435,7 +448,7 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG;
union acpi_operand_object *region_obj2;
- ACPI_FUNCTION_TRACE_U32("ev_initialize_region", acpi_ns_locked);
+ ACPI_FUNCTION_TRACE_U32(ev_initialize_region, acpi_ns_locked);
if (!region_obj) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -462,8 +475,9 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
/* Find any "_REG" method associated with this region definition */
- status = acpi_ns_search_node(*reg_name_ptr, node,
- ACPI_TYPE_METHOD, &method_node);
+ status =
+ acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD,
+ &method_node);
if (ACPI_SUCCESS(status)) {
/*
* The _REG method is optional and there can be only one per region
@@ -478,11 +492,13 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
* ie: acpi_gbl_root_node->parent_entry being set to NULL
*/
while (node) {
+
/* Check to see if a handler exists */
handler_obj = NULL;
obj_desc = acpi_ns_get_attached_object(node);
if (obj_desc) {
+
/* Can only be a handler if the object exists */
switch (node->type) {
@@ -507,10 +523,12 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
}
while (handler_obj) {
+
/* Is this handler of the correct type? */
if (handler_obj->address_space.space_id ==
space_id) {
+
/* Found correct handler */
ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
@@ -571,7 +589,7 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
/* If we get here, there is no handler for this region */
ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
- "No handler for region_type %s(%X) (region_obj %p)\n",
+ "No handler for RegionType %s(%X) (RegionObj %p)\n",
acpi_ut_get_region_name(space_id), space_id,
region_obj));
diff --git a/drivers/acpi/events/evsci.c b/drivers/acpi/events/evsci.c
index 9a622169008a..8106215ad554 100644
--- a/drivers/acpi/events/evsci.c
+++ b/drivers/acpi/events/evsci.c
@@ -69,7 +69,7 @@ static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context)
struct acpi_gpe_xrupt_info *gpe_xrupt_list = context;
u32 interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED;
- ACPI_FUNCTION_TRACE("ev_sci_xrupt_handler");
+ ACPI_FUNCTION_TRACE(ev_sci_xrupt_handler);
/*
* We are guaranteed by the ACPI CA initialization/shutdown code that
@@ -108,7 +108,7 @@ u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context)
struct acpi_gpe_xrupt_info *gpe_xrupt_list = context;
u32 interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED;
- ACPI_FUNCTION_TRACE("ev_gpe_xrupt_handler");
+ ACPI_FUNCTION_TRACE(ev_gpe_xrupt_handler);
/*
* We are guaranteed by the ACPI CA initialization/shutdown code that
@@ -140,7 +140,7 @@ u32 acpi_ev_install_sci_handler(void)
{
u32 status = AE_OK;
- ACPI_FUNCTION_TRACE("ev_install_sci_handler");
+ ACPI_FUNCTION_TRACE(ev_install_sci_handler);
status = acpi_os_install_interrupt_handler((u32) acpi_gbl_FADT->sci_int,
acpi_ev_sci_xrupt_handler,
@@ -171,7 +171,7 @@ acpi_status acpi_ev_remove_sci_handler(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ev_remove_sci_handler");
+ ACPI_FUNCTION_TRACE(ev_remove_sci_handler);
/* Just let the OS remove the handler and disable the level */
diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c
index b38b39dde543..76c34a66e0e0 100644
--- a/drivers/acpi/events/evxface.c
+++ b/drivers/acpi/events/evxface.c
@@ -41,8 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
#include <acpi/acevents.h>
@@ -68,7 +66,7 @@ acpi_status acpi_install_exception_handler(acpi_exception_handler handler)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_install_exception_handler");
+ ACPI_FUNCTION_TRACE(acpi_install_exception_handler);
status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
if (ACPI_FAILURE(status)) {
@@ -90,6 +88,8 @@ acpi_status acpi_install_exception_handler(acpi_exception_handler handler)
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
return_ACPI_STATUS(status);
}
+
+ACPI_EXPORT_SYMBOL(acpi_install_exception_handler)
#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
@@ -107,14 +107,13 @@ acpi_status acpi_install_exception_handler(acpi_exception_handler handler)
* event.
*
******************************************************************************/
-
acpi_status
acpi_install_fixed_event_handler(u32 event,
acpi_event_handler handler, void *context)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_install_fixed_event_handler");
+ ACPI_FUNCTION_TRACE(acpi_install_fixed_event_handler);
/* Parameter validation */
@@ -161,7 +160,7 @@ acpi_install_fixed_event_handler(u32 event,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_install_fixed_event_handler);
+ACPI_EXPORT_SYMBOL(acpi_install_fixed_event_handler)
/*******************************************************************************
*
@@ -175,13 +174,12 @@ EXPORT_SYMBOL(acpi_install_fixed_event_handler);
* DESCRIPTION: Disables the event and unregisters the event handler.
*
******************************************************************************/
-
acpi_status
acpi_remove_fixed_event_handler(u32 event, acpi_event_handler handler)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_remove_fixed_event_handler");
+ ACPI_FUNCTION_TRACE(acpi_remove_fixed_event_handler);
/* Parameter validation */
@@ -216,7 +214,7 @@ acpi_remove_fixed_event_handler(u32 event, acpi_event_handler handler)
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_remove_fixed_event_handler);
+ACPI_EXPORT_SYMBOL(acpi_remove_fixed_event_handler)
/*******************************************************************************
*
@@ -235,7 +233,6 @@ EXPORT_SYMBOL(acpi_remove_fixed_event_handler);
* DESCRIPTION: Install a handler for notifies on an ACPI device
*
******************************************************************************/
-
acpi_status
acpi_install_notify_handler(acpi_handle device,
u32 handler_type,
@@ -246,7 +243,7 @@ acpi_install_notify_handler(acpi_handle device,
struct acpi_namespace_node *node;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_install_notify_handler");
+ ACPI_FUNCTION_TRACE(acpi_install_notify_handler);
/* Parameter validation */
@@ -275,6 +272,7 @@ acpi_install_notify_handler(acpi_handle device,
* only one <external> global handler can be regsitered (per notify type).
*/
if (device == ACPI_ROOT_OBJECT) {
+
/* Make sure the handler is not already installed */
if (((handler_type & ACPI_SYSTEM_NOTIFY) &&
@@ -317,6 +315,7 @@ acpi_install_notify_handler(acpi_handle device,
obj_desc = acpi_ns_get_attached_object(node);
if (obj_desc) {
+
/* Object exists - make sure there's no handler */
if (((handler_type & ACPI_SYSTEM_NOTIFY) &&
@@ -370,6 +369,7 @@ acpi_install_notify_handler(acpi_handle device,
}
if (handler_type == ACPI_ALL_NOTIFY) {
+
/* Extra ref if installed in both */
acpi_ut_add_reference(notify_obj);
@@ -381,7 +381,7 @@ acpi_install_notify_handler(acpi_handle device,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_install_notify_handler);
+ACPI_EXPORT_SYMBOL(acpi_install_notify_handler)
/*******************************************************************************
*
@@ -399,7 +399,6 @@ EXPORT_SYMBOL(acpi_install_notify_handler);
* DESCRIPTION: Remove a handler for notifies on an ACPI device
*
******************************************************************************/
-
acpi_status
acpi_remove_notify_handler(acpi_handle device,
u32 handler_type, acpi_notify_handler handler)
@@ -409,7 +408,7 @@ acpi_remove_notify_handler(acpi_handle device,
struct acpi_namespace_node *node;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_remove_notify_handler");
+ ACPI_FUNCTION_TRACE(acpi_remove_notify_handler);
/* Parameter validation */
@@ -535,7 +534,7 @@ acpi_remove_notify_handler(acpi_handle device,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_remove_notify_handler);
+ACPI_EXPORT_SYMBOL(acpi_remove_notify_handler)
/*******************************************************************************
*
@@ -554,7 +553,6 @@ EXPORT_SYMBOL(acpi_remove_notify_handler);
* DESCRIPTION: Install a handler for a General Purpose Event.
*
******************************************************************************/
-
acpi_status
acpi_install_gpe_handler(acpi_handle gpe_device,
u32 gpe_number,
@@ -565,7 +563,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
acpi_status status;
acpi_cpu_flags flags;
- ACPI_FUNCTION_TRACE("acpi_install_gpe_handler");
+ ACPI_FUNCTION_TRACE(acpi_install_gpe_handler);
/* Parameter validation */
@@ -596,7 +594,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
/* Allocate and init handler object */
- handler = ACPI_MEM_CALLOCATE(sizeof(struct acpi_handler_info));
+ handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_handler_info));
if (!handler) {
status = AE_NO_MEMORY;
goto unlock_and_exit;
@@ -630,7 +628,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_install_gpe_handler);
+ACPI_EXPORT_SYMBOL(acpi_install_gpe_handler)
/*******************************************************************************
*
@@ -646,7 +644,6 @@ EXPORT_SYMBOL(acpi_install_gpe_handler);
* DESCRIPTION: Remove a handler for a General Purpose acpi_event.
*
******************************************************************************/
-
acpi_status
acpi_remove_gpe_handler(acpi_handle gpe_device,
u32 gpe_number, acpi_event_handler address)
@@ -656,7 +653,7 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
acpi_status status;
acpi_cpu_flags flags;
- ACPI_FUNCTION_TRACE("acpi_remove_gpe_handler");
+ ACPI_FUNCTION_TRACE(acpi_remove_gpe_handler);
/* Parameter validation */
@@ -724,14 +721,14 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
/* Now we can free the handler object */
- ACPI_MEM_FREE(handler);
+ ACPI_FREE(handler);
unlock_and_exit:
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_remove_gpe_handler);
+ACPI_EXPORT_SYMBOL(acpi_remove_gpe_handler)
/*******************************************************************************
*
@@ -746,7 +743,6 @@ EXPORT_SYMBOL(acpi_remove_gpe_handler);
* DESCRIPTION: Acquire the ACPI Global Lock
*
******************************************************************************/
-
acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle)
{
acpi_status status;
@@ -771,7 +767,7 @@ acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle)
return (status);
}
-EXPORT_SYMBOL(acpi_acquire_global_lock);
+ACPI_EXPORT_SYMBOL(acpi_acquire_global_lock)
/*******************************************************************************
*
@@ -784,7 +780,6 @@ EXPORT_SYMBOL(acpi_acquire_global_lock);
* DESCRIPTION: Release the ACPI Global Lock. The handle must be valid.
*
******************************************************************************/
-
acpi_status acpi_release_global_lock(u32 handle)
{
acpi_status status;
@@ -797,4 +792,4 @@ acpi_status acpi_release_global_lock(u32 handle)
return (status);
}
-EXPORT_SYMBOL(acpi_release_global_lock);
+ACPI_EXPORT_SYMBOL(acpi_release_global_lock)
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c
index ec9ce8429f15..7ebc2efac936 100644
--- a/drivers/acpi/events/evxfevnt.c
+++ b/drivers/acpi/events/evxfevnt.c
@@ -41,8 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acevents.h>
#include <acpi/acnamesp.h>
@@ -65,7 +63,7 @@ acpi_status acpi_enable(void)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_enable");
+ ACPI_FUNCTION_TRACE(acpi_enable);
/* Make sure we have the FADT */
@@ -94,6 +92,8 @@ acpi_status acpi_enable(void)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_enable)
+
/*******************************************************************************
*
* FUNCTION: acpi_disable
@@ -105,12 +105,11 @@ acpi_status acpi_enable(void)
* DESCRIPTION: Transfers the system into LEGACY (non-ACPI) mode.
*
******************************************************************************/
-
acpi_status acpi_disable(void)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_disable");
+ ACPI_FUNCTION_TRACE(acpi_disable);
if (!acpi_gbl_FADT) {
ACPI_WARNING((AE_INFO, "No FADT information present!"));
@@ -137,6 +136,8 @@ acpi_status acpi_disable(void)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_disable)
+
/*******************************************************************************
*
* FUNCTION: acpi_enable_event
@@ -149,13 +150,12 @@ acpi_status acpi_disable(void)
* DESCRIPTION: Enable an ACPI event (fixed)
*
******************************************************************************/
-
acpi_status acpi_enable_event(u32 event, u32 flags)
{
acpi_status status = AE_OK;
u32 value;
- ACPI_FUNCTION_TRACE("acpi_enable_event");
+ ACPI_FUNCTION_TRACE(acpi_enable_event);
/* Decode the Fixed Event */
@@ -193,7 +193,7 @@ acpi_status acpi_enable_event(u32 event, u32 flags)
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_enable_event);
+ACPI_EXPORT_SYMBOL(acpi_enable_event)
/*******************************************************************************
*
@@ -208,13 +208,12 @@ EXPORT_SYMBOL(acpi_enable_event);
* DESCRIPTION: Set the type of an individual GPE
*
******************************************************************************/
-
acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type)
{
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
- ACPI_FUNCTION_TRACE("acpi_set_gpe_type");
+ ACPI_FUNCTION_TRACE(acpi_set_gpe_type);
/* Ensure that we have a valid GPE number */
@@ -236,7 +235,7 @@ acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type)
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_set_gpe_type);
+ACPI_EXPORT_SYMBOL(acpi_set_gpe_type)
/*******************************************************************************
*
@@ -252,13 +251,12 @@ EXPORT_SYMBOL(acpi_set_gpe_type);
* DESCRIPTION: Enable an ACPI event (general purpose)
*
******************************************************************************/
-
acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
{
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
- ACPI_FUNCTION_TRACE("acpi_enable_gpe");
+ ACPI_FUNCTION_TRACE(acpi_enable_gpe);
/* Use semaphore lock if not executing at interrupt level */
@@ -288,7 +286,7 @@ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_enable_gpe);
+ACPI_EXPORT_SYMBOL(acpi_enable_gpe)
/*******************************************************************************
*
@@ -304,13 +302,12 @@ EXPORT_SYMBOL(acpi_enable_gpe);
* DESCRIPTION: Disable an ACPI event (general purpose)
*
******************************************************************************/
-
acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
{
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
- ACPI_FUNCTION_TRACE("acpi_disable_gpe");
+ ACPI_FUNCTION_TRACE(acpi_disable_gpe);
/* Use semaphore lock if not executing at interrupt level */
@@ -338,6 +335,8 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_disable_gpe)
+
/*******************************************************************************
*
* FUNCTION: acpi_disable_event
@@ -350,13 +349,12 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
* DESCRIPTION: Disable an ACPI event (fixed)
*
******************************************************************************/
-
acpi_status acpi_disable_event(u32 event, u32 flags)
{
acpi_status status = AE_OK;
u32 value;
- ACPI_FUNCTION_TRACE("acpi_disable_event");
+ ACPI_FUNCTION_TRACE(acpi_disable_event);
/* Decode the Fixed Event */
@@ -392,7 +390,7 @@ acpi_status acpi_disable_event(u32 event, u32 flags)
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_disable_event);
+ACPI_EXPORT_SYMBOL(acpi_disable_event)
/*******************************************************************************
*
@@ -405,12 +403,11 @@ EXPORT_SYMBOL(acpi_disable_event);
* DESCRIPTION: Clear an ACPI event (fixed)
*
******************************************************************************/
-
acpi_status acpi_clear_event(u32 event)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_clear_event");
+ ACPI_FUNCTION_TRACE(acpi_clear_event);
/* Decode the Fixed Event */
@@ -429,7 +426,7 @@ acpi_status acpi_clear_event(u32 event)
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_clear_event);
+ACPI_EXPORT_SYMBOL(acpi_clear_event)
/*******************************************************************************
*
@@ -444,13 +441,12 @@ EXPORT_SYMBOL(acpi_clear_event);
* DESCRIPTION: Clear an ACPI event (general purpose)
*
******************************************************************************/
-
acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
{
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
- ACPI_FUNCTION_TRACE("acpi_clear_gpe");
+ ACPI_FUNCTION_TRACE(acpi_clear_gpe);
/* Use semaphore lock if not executing at interrupt level */
@@ -478,6 +474,8 @@ acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_clear_gpe)
+
#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
*
@@ -492,12 +490,11 @@ acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
* DESCRIPTION: Obtains and returns the current status of the event
*
******************************************************************************/
-
acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_get_event_status");
+ ACPI_FUNCTION_TRACE(acpi_get_event_status);
if (!event_status) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -518,6 +515,8 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_get_event_status)
+
/*******************************************************************************
*
* FUNCTION: acpi_get_gpe_status
@@ -533,7 +532,6 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
* DESCRIPTION: Get status of an event (general purpose)
*
******************************************************************************/
-
acpi_status
acpi_get_gpe_status(acpi_handle gpe_device,
u32 gpe_number, u32 flags, acpi_event_status * event_status)
@@ -541,7 +539,7 @@ acpi_get_gpe_status(acpi_handle gpe_device,
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
- ACPI_FUNCTION_TRACE("acpi_get_gpe_status");
+ ACPI_FUNCTION_TRACE(acpi_get_gpe_status);
/* Use semaphore lock if not executing at interrupt level */
@@ -570,6 +568,8 @@ acpi_get_gpe_status(acpi_handle gpe_device,
}
return_ACPI_STATUS(status);
}
+
+ACPI_EXPORT_SYMBOL(acpi_get_gpe_status)
#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
@@ -586,7 +586,6 @@ acpi_get_gpe_status(acpi_handle gpe_device,
* DESCRIPTION: Create and Install a block of GPE registers
*
******************************************************************************/
-
acpi_status
acpi_install_gpe_block(acpi_handle gpe_device,
struct acpi_generic_address *gpe_block_address,
@@ -597,7 +596,7 @@ acpi_install_gpe_block(acpi_handle gpe_device,
struct acpi_namespace_node *node;
struct acpi_gpe_block_info *gpe_block;
- ACPI_FUNCTION_TRACE("acpi_install_gpe_block");
+ ACPI_FUNCTION_TRACE(acpi_install_gpe_block);
if ((!gpe_device) || (!gpe_block_address) || (!register_count)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -636,6 +635,7 @@ acpi_install_gpe_block(acpi_handle gpe_device,
obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
+
/* No object, create a new one */
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_DEVICE);
@@ -665,7 +665,7 @@ acpi_install_gpe_block(acpi_handle gpe_device,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_install_gpe_block);
+ACPI_EXPORT_SYMBOL(acpi_install_gpe_block)
/*******************************************************************************
*
@@ -678,14 +678,13 @@ EXPORT_SYMBOL(acpi_install_gpe_block);
* DESCRIPTION: Remove a previously installed block of GPE registers
*
******************************************************************************/
-
acpi_status acpi_remove_gpe_block(acpi_handle gpe_device)
{
union acpi_operand_object *obj_desc;
acpi_status status;
struct acpi_namespace_node *node;
- ACPI_FUNCTION_TRACE("acpi_remove_gpe_block");
+ ACPI_FUNCTION_TRACE(acpi_remove_gpe_block);
if (!gpe_device) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -721,4 +720,4 @@ acpi_status acpi_remove_gpe_block(acpi_handle gpe_device)
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_remove_gpe_block);
+ACPI_EXPORT_SYMBOL(acpi_remove_gpe_block)
diff --git a/drivers/acpi/events/evxfregn.c b/drivers/acpi/events/evxfregn.c
index abf5caca9ae5..e8b86a0baad0 100644
--- a/drivers/acpi/events/evxfregn.c
+++ b/drivers/acpi/events/evxfregn.c
@@ -42,8 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
#include <acpi/acevents.h>
@@ -75,7 +73,7 @@ acpi_install_address_space_handler(acpi_handle device,
struct acpi_namespace_node *node;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_install_address_space_handler");
+ ACPI_FUNCTION_TRACE(acpi_install_address_space_handler);
/* Parameter validation */
@@ -114,7 +112,7 @@ acpi_install_address_space_handler(acpi_handle device,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_install_address_space_handler);
+ACPI_EXPORT_SYMBOL(acpi_install_address_space_handler)
/*******************************************************************************
*
@@ -129,7 +127,6 @@ EXPORT_SYMBOL(acpi_install_address_space_handler);
* DESCRIPTION: Remove a previously installed handler.
*
******************************************************************************/
-
acpi_status
acpi_remove_address_space_handler(acpi_handle device,
acpi_adr_space_type space_id,
@@ -142,7 +139,7 @@ acpi_remove_address_space_handler(acpi_handle device,
struct acpi_namespace_node *node;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_remove_address_space_handler");
+ ACPI_FUNCTION_TRACE(acpi_remove_address_space_handler);
/* Parameter validation */
@@ -176,9 +173,11 @@ acpi_remove_address_space_handler(acpi_handle device,
handler_obj = obj_desc->device.handler;
last_obj_ptr = &obj_desc->device.handler;
while (handler_obj) {
+
/* We have a handler, see if user requested this one */
if (handler_obj->address_space.space_id == space_id) {
+
/* Matched space_id, first dereference this in the Regions */
ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
@@ -229,7 +228,7 @@ acpi_remove_address_space_handler(acpi_handle device,
/* The handler does not exist */
ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
- "Unable to remove address handler %p for %s(%X), dev_node %p, obj %p\n",
+ "Unable to remove address handler %p for %s(%X), DevNode %p, obj %p\n",
handler, acpi_ut_get_region_name(space_id), space_id,
node, obj_desc));
@@ -240,4 +239,4 @@ acpi_remove_address_space_handler(acpi_handle device,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_remove_address_space_handler);
+ACPI_EXPORT_SYMBOL(acpi_remove_address_space_handler)
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index a29782fe3ecf..823352435e08 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -82,7 +82,7 @@ acpi_ex_add_table(struct acpi_table_header *table,
struct acpi_table_desc table_info;
union acpi_operand_object *obj_desc;
- ACPI_FUNCTION_TRACE("ex_add_table");
+ ACPI_FUNCTION_TRACE(ex_add_table);
/* Create an object to be the table handle */
@@ -100,7 +100,7 @@ acpi_ex_add_table(struct acpi_table_header *table,
ACPI_MEMSET(&table_info, 0, sizeof(struct acpi_table_desc));
- table_info.type = ACPI_TABLE_SSDT;
+ table_info.type = ACPI_TABLE_ID_SSDT;
table_info.pointer = table;
table_info.length = (acpi_size) table->length;
table_info.allocation = ACPI_MEM_ALLOCATED;
@@ -110,6 +110,7 @@ acpi_ex_add_table(struct acpi_table_header *table,
if (ACPI_FAILURE(status)) {
if (status == AE_ALREADY_EXISTS) {
+
/* Table already exists, just return the handle */
return_ACPI_STATUS(AE_OK);
@@ -121,6 +122,7 @@ acpi_ex_add_table(struct acpi_table_header *table,
status = acpi_ns_load_table(table_info.installed_desc, parent_node);
if (ACPI_FAILURE(status)) {
+
/* Uninstall table on error */
(void)acpi_tb_uninstall_table(table_info.installed_desc);
@@ -160,7 +162,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
struct acpi_namespace_node *parameter_node = NULL;
union acpi_operand_object *ddb_handle;
- ACPI_FUNCTION_TRACE("ex_load_table_op");
+ ACPI_FUNCTION_TRACE(ex_load_table_op);
#if 0
/*
@@ -169,6 +171,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
*/
status = acpi_tb_match_signature(operand[0]->string.pointer, NULL);
if (status == AE_OK) {
+
/* Signature matched -- don't allow override */
return_ACPI_STATUS(AE_ALREADY_EXISTS);
@@ -211,9 +214,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
* location within the namespace where the table will be loaded.
*/
status =
- acpi_ns_get_node_by_path(operand[3]->string.pointer,
- start_node, ACPI_NS_SEARCH_PARENT,
- &parent_node);
+ acpi_ns_get_node(start_node, operand[3]->string.pointer,
+ ACPI_NS_SEARCH_PARENT, &parent_node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@@ -234,9 +236,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
/* Find the node referenced by the parameter_path_string */
status =
- acpi_ns_get_node_by_path(operand[4]->string.pointer,
- start_node, ACPI_NS_SEARCH_PARENT,
- &parameter_node);
+ acpi_ns_get_node(start_node, operand[4]->string.pointer,
+ ACPI_NS_SEARCH_PARENT, &parameter_node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@@ -252,6 +253,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
/* Parameter Data (optional) */
if (parameter_node) {
+
/* Store the parameter data into the optional parameter object */
status = acpi_ex_store(operand[5],
@@ -294,9 +296,10 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
struct acpi_table_header *table_ptr = NULL;
acpi_physical_address address;
struct acpi_table_header table_header;
+ acpi_integer temp;
u32 i;
- ACPI_FUNCTION_TRACE("ex_load_op");
+ ACPI_FUNCTION_TRACE(ex_load_op);
/* Object can be either an op_region or a Field */
@@ -322,7 +325,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
address = obj_desc->region.address;
- /* Get the table length from the table header */
+ /* Get part of the table header to get the table length */
table_header.length = 0;
for (i = 0; i < 8; i++) {
@@ -330,11 +333,14 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
acpi_ev_address_space_dispatch(obj_desc, ACPI_READ,
(acpi_physical_address)
(i + address), 8,
- ((u8 *) &
- table_header) + i);
+ &temp);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
+
+ /* Get the one valid byte of the returned 64-bit value */
+
+ ACPI_CAST_PTR(u8, &table_header)[i] = (u8) temp;
}
/* Sanity check the table length */
@@ -345,7 +351,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
/* Allocate a buffer for the entire table */
- table_ptr = ACPI_MEM_ALLOCATE(table_header.length);
+ table_ptr = ACPI_ALLOCATE(table_header.length);
if (!table_ptr) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -357,11 +363,14 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
acpi_ev_address_space_dispatch(obj_desc, ACPI_READ,
(acpi_physical_address)
(i + address), 8,
- ((u8 *) table_ptr +
- i));
+ &temp);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
+
+ /* Get the one valid byte of the returned 64-bit value */
+
+ ACPI_CAST_PTR(u8, table_ptr)[i] = (u8) temp;
}
break;
@@ -407,12 +416,8 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
/* The table must be either an SSDT or a PSDT */
- if ((!ACPI_STRNCMP(table_ptr->signature,
- acpi_gbl_table_data[ACPI_TABLE_PSDT].signature,
- acpi_gbl_table_data[ACPI_TABLE_PSDT].sig_length)) &&
- (!ACPI_STRNCMP(table_ptr->signature,
- acpi_gbl_table_data[ACPI_TABLE_SSDT].signature,
- acpi_gbl_table_data[ACPI_TABLE_SSDT].sig_length))) {
+ if ((!ACPI_COMPARE_NAME(table_ptr->signature, PSDT_SIG)) &&
+ (!ACPI_COMPARE_NAME(table_ptr->signature, SSDT_SIG))) {
ACPI_ERROR((AE_INFO,
"Table has invalid signature [%4.4s], must be SSDT or PSDT",
table_ptr->signature));
@@ -424,6 +429,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
status = acpi_ex_add_table(table_ptr, acpi_gbl_root_node, &ddb_handle);
if (ACPI_FAILURE(status)) {
+
/* On error, table_ptr was deallocated above */
return_ACPI_STATUS(status);
@@ -442,7 +448,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
cleanup:
if (ACPI_FAILURE(status)) {
- ACPI_MEM_FREE(table_ptr);
+ ACPI_FREE(table_ptr);
}
return_ACPI_STATUS(status);
}
@@ -465,7 +471,7 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
union acpi_operand_object *table_desc = ddb_handle;
struct acpi_table_desc *table_info;
- ACPI_FUNCTION_TRACE("ex_unload_table");
+ ACPI_FUNCTION_TRACE(ex_unload_table);
/*
* Validate the handle
diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c
index e6d52e12d77a..b732e399b1ef 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/executer/exconvrt.c
@@ -79,7 +79,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
u32 count;
acpi_status status;
- ACPI_FUNCTION_TRACE_PTR("ex_convert_to_integer", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_convert_to_integer, obj_desc);
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_INTEGER:
@@ -199,7 +199,7 @@ acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
union acpi_operand_object *return_desc;
u8 *new_buf;
- ACPI_FUNCTION_TRACE_PTR("ex_convert_to_buffer", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_convert_to_buffer, obj_desc);
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_BUFFER:
@@ -319,6 +319,7 @@ acpi_ex_convert_to_ascii(acpi_integer integer,
remainder = 0;
for (i = decimal_length; i > 0; i--) {
+
/* Divide by nth factor of 10 */
digit = integer;
@@ -346,6 +347,7 @@ acpi_ex_convert_to_ascii(acpi_integer integer,
hex_length = (acpi_native_uint) ACPI_MUL_2(data_width);
for (i = 0, j = (hex_length - 1); i < hex_length; i++, j--) {
+
/* Get one hex digit, most significant digits first */
string[k] =
@@ -400,7 +402,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
u16 base = 16;
u8 separator = ',';
- ACPI_FUNCTION_TRACE_PTR("ex_convert_to_string", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_convert_to_string, obj_desc);
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_STRING:
@@ -567,7 +569,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ex_convert_to_target_type");
+ ACPI_FUNCTION_TRACE(ex_convert_to_target_type);
/* Default behavior */
@@ -657,7 +659,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
default:
ACPI_ERROR((AE_INFO,
- "Unknown Target type ID 0x%X aml_opcode %X dest_type %s",
+ "Unknown Target type ID 0x%X AmlOpcode %X DestType %s",
GET_CURRENT_ARG_TYPE(walk_state->op_info->
runtime_args),
walk_state->opcode,
diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c
index 680575402835..106dc7219df7 100644
--- a/drivers/acpi/executer/excreate.c
+++ b/drivers/acpi/executer/excreate.c
@@ -69,7 +69,7 @@ acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state)
struct acpi_namespace_node *alias_node;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ex_create_alias");
+ ACPI_FUNCTION_TRACE(ex_create_alias);
/* Get the source/alias operands (both namespace nodes) */
@@ -164,7 +164,7 @@ acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state)
acpi_status status;
union acpi_operand_object *obj_desc;
- ACPI_FUNCTION_TRACE("ex_create_event");
+ ACPI_FUNCTION_TRACE(ex_create_event);
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_EVENT);
if (!obj_desc) {
@@ -216,7 +216,7 @@ acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state)
acpi_status status = AE_OK;
union acpi_operand_object *obj_desc;
- ACPI_FUNCTION_TRACE_PTR("ex_create_mutex", ACPI_WALK_OPERANDS);
+ ACPI_FUNCTION_TRACE_PTR(ex_create_mutex, ACPI_WALK_OPERANDS);
/* Create the new mutex object */
@@ -243,8 +243,9 @@ acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state)
obj_desc->mutex.node =
(struct acpi_namespace_node *)walk_state->operands[0];
- status = acpi_ns_attach_object(obj_desc->mutex.node,
- obj_desc, ACPI_TYPE_MUTEX);
+ status =
+ acpi_ns_attach_object(obj_desc->mutex.node, obj_desc,
+ ACPI_TYPE_MUTEX);
cleanup:
/*
@@ -280,7 +281,7 @@ acpi_ex_create_region(u8 * aml_start,
struct acpi_namespace_node *node;
union acpi_operand_object *region_obj2;
- ACPI_FUNCTION_TRACE("ex_create_region");
+ ACPI_FUNCTION_TRACE(ex_create_region);
/* Get the Namespace Node */
@@ -300,7 +301,7 @@ acpi_ex_create_region(u8 * aml_start,
*/
if ((region_space >= ACPI_NUM_PREDEFINED_REGIONS) &&
(region_space < ACPI_USER_REGION_BEGIN)) {
- ACPI_ERROR((AE_INFO, "Invalid address_space type %X",
+ ACPI_ERROR((AE_INFO, "Invalid AddressSpace type %X",
region_space));
return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID);
}
@@ -364,7 +365,7 @@ acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state)
struct acpi_table_header *table;
union acpi_operand_object *region_obj2;
- ACPI_FUNCTION_TRACE("ex_create_table_region");
+ ACPI_FUNCTION_TRACE(ex_create_table_region);
/* Get the Node from the object stack */
@@ -452,7 +453,7 @@ acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state)
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE_PTR("ex_create_processor", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ex_create_processor, walk_state);
/* Create the processor object */
@@ -464,9 +465,9 @@ acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state)
/* Initialize the processor object from the operands */
obj_desc->processor.proc_id = (u8) operand[1]->integer.value;
+ obj_desc->processor.length = (u8) operand[3]->integer.value;
obj_desc->processor.address =
(acpi_io_address) operand[2]->integer.value;
- obj_desc->processor.length = (u8) operand[3]->integer.value;
/* Install the processor object in the parent Node */
@@ -499,7 +500,7 @@ acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state)
acpi_status status;
union acpi_operand_object *obj_desc;
- ACPI_FUNCTION_TRACE_PTR("ex_create_power_resource", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ex_create_power_resource, walk_state);
/* Create the power resource object */
@@ -549,7 +550,7 @@ acpi_ex_create_method(u8 * aml_start,
acpi_status status;
u8 method_flags;
- ACPI_FUNCTION_TRACE_PTR("ex_create_method", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ex_create_method, walk_state);
/* Create a new method object */
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index a7cca8d4f855..7b9718e976bf 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -61,6 +61,10 @@ static void acpi_ex_out_pointer(char *title, void *value);
static void acpi_ex_out_address(char *title, acpi_physical_address value);
+static void
+acpi_ex_dump_object(union acpi_operand_object *obj_desc,
+ struct acpi_exdump_info *info);
+
static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc);
static void
@@ -119,7 +123,7 @@ static struct acpi_exdump_info acpi_ex_dump_event[2] = {
static struct acpi_exdump_info acpi_ex_dump_method[8] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
- {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "param_count"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "ParamCount"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.concurrency), "Concurrency"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.semaphore), "Semaphore"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},
@@ -263,12 +267,10 @@ static struct acpi_exdump_info acpi_ex_dump_field_common[7] = {
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(common_field.node), "Parent Node"}
};
-static struct acpi_exdump_info acpi_ex_dump_node[6] = {
+static struct acpi_exdump_info acpi_ex_dump_node[5] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL},
{ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"},
{ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"},
- {ACPI_EXD_UINT16, ACPI_EXD_NSOFFSET(reference_count),
- "Reference Count"},
{ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(child), "Child List"},
{ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(peer), "Next Peer"}
};
@@ -330,7 +332,7 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
if (!info) {
acpi_os_printf
- ("ex_dump_object: Display not implemented for object type %s\n",
+ ("ExDumpObject: Display not implemented for object type %s\n",
acpi_ut_get_object_type_name(obj_desc));
return;
}
@@ -454,7 +456,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
u32 length;
u32 index;
- ACPI_FUNCTION_NAME("ex_dump_operand")
+ ACPI_FUNCTION_NAME(ex_dump_operand)
if (!
((ACPI_LV_EXEC & acpi_dbg_level)
@@ -463,6 +465,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
}
if (!obj_desc) {
+
/* This could be a null element of a package */
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Null Object Descriptor\n"));
@@ -522,7 +525,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
case AML_REF_OF_OP:
- acpi_os_printf("Reference: (ref_of) %p\n",
+ acpi_os_printf("Reference: (RefOf) %p\n",
obj_desc->reference.object);
break;
@@ -532,6 +535,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
obj_desc->reference.offset);
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
+
/* Value is an Integer */
acpi_os_printf(" value is [%8.8X%8.8x]",
@@ -610,7 +614,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
case ACPI_TYPE_PACKAGE:
- acpi_os_printf("Package [Len %X] element_array %p\n",
+ acpi_os_printf("Package [Len %X] ElementArray %p\n",
obj_desc->package.count,
obj_desc->package.elements);
@@ -662,13 +666,13 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
case ACPI_TYPE_LOCAL_BANK_FIELD:
- acpi_os_printf("bank_field\n");
+ acpi_os_printf("BankField\n");
break;
case ACPI_TYPE_LOCAL_REGION_FIELD:
acpi_os_printf
- ("region_field: Bits=%X acc_width=%X Lock=%X Update=%X at byte=%X bit=%X of below:\n",
+ ("RegionField: Bits=%X AccWidth=%X Lock=%X Update=%X at byte=%X bit=%X of below:\n",
obj_desc->field.bit_length,
obj_desc->field.access_byte_width,
obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK,
@@ -681,12 +685,12 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
case ACPI_TYPE_LOCAL_INDEX_FIELD:
- acpi_os_printf("index_field\n");
+ acpi_os_printf("IndexField\n");
break;
case ACPI_TYPE_BUFFER_FIELD:
- acpi_os_printf("buffer_field: %X bits at byte %X bit %X of\n",
+ acpi_os_printf("BufferField: %X bits at byte %X bit %X of\n",
obj_desc->buffer_field.bit_length,
obj_desc->buffer_field.base_byte_offset,
obj_desc->buffer_field.start_field_bit_offset);
@@ -777,7 +781,7 @@ acpi_ex_dump_operands(union acpi_operand_object **operands,
{
acpi_native_uint i;
- ACPI_FUNCTION_NAME("ex_dump_operands");
+ ACPI_FUNCTION_NAME(ex_dump_operands);
if (!ident) {
ident = "?";
@@ -901,7 +905,7 @@ static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
acpi_os_printf("Could not convert name to pathname\n");
} else {
acpi_os_printf("%s\n", (char *)ret_buf.pointer);
- ACPI_MEM_FREE(ret_buf.pointer);
+ ACPI_FREE(ret_buf.pointer);
}
} else if (obj_desc->reference.object) {
acpi_os_printf("\nReferenced Object: %p\n",
@@ -1017,7 +1021,7 @@ acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
void
acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
{
- ACPI_FUNCTION_TRACE("ex_dump_object_descriptor");
+ ACPI_FUNCTION_TRACE(ex_dump_object_descriptor);
if (!obj_desc) {
return_VOID;
@@ -1046,7 +1050,7 @@ acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
acpi_os_printf
- ("ex_dump_object_descriptor: %p is not an ACPI operand object: [%s]\n",
+ ("ExDumpObjectDescriptor: %p is not an ACPI operand object: [%s]\n",
obj_desc, acpi_ut_get_descriptor_name(obj_desc));
return_VOID;
}
diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/executer/exfield.c
index e259201ce9a0..9ea9c3a67ca9 100644
--- a/drivers/acpi/executer/exfield.c
+++ b/drivers/acpi/executer/exfield.c
@@ -73,7 +73,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
void *buffer;
u8 locked;
- ACPI_FUNCTION_TRACE_PTR("ex_read_data_from_field", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_read_data_from_field, obj_desc);
/* Parameter validation */
@@ -142,6 +142,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
length =
(acpi_size) ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length);
if (length > acpi_gbl_integer_byte_width) {
+
/* Field is too large for an Integer, create a Buffer instead */
buffer_desc = acpi_ut_create_buffer_object(length);
@@ -163,11 +164,11 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
}
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "field_read [TO]: Obj %p, Type %X, Buf %p, byte_len %X\n",
+ "FieldRead [TO]: Obj %p, Type %X, Buf %p, ByteLen %X\n",
obj_desc, ACPI_GET_OBJECT_TYPE(obj_desc), buffer,
(u32) length));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "field_read [FROM]: bit_len %X, bit_off %X, byte_off %X\n",
+ "FieldRead [FROM]: BitLen %X, BitOff %X, ByteOff %X\n",
obj_desc->common_field.bit_length,
obj_desc->common_field.start_field_bit_offset,
obj_desc->common_field.base_byte_offset));
@@ -219,7 +220,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
u8 locked;
union acpi_operand_object *buffer_desc;
- ACPI_FUNCTION_TRACE_PTR("ex_write_data_to_field", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_write_data_to_field, obj_desc);
/* Parameter validation */
@@ -329,9 +330,10 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->common_field.bit_length);
if (length < required_length) {
+
/* We need to create a new buffer */
- new_buffer = ACPI_MEM_CALLOCATE(required_length);
+ new_buffer = ACPI_ALLOCATE_ZEROED(required_length);
if (!new_buffer) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -347,14 +349,14 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
}
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "field_write [FROM]: Obj %p (%s:%X), Buf %p, byte_len %X\n",
+ "FieldWrite [FROM]: Obj %p (%s:%X), Buf %p, ByteLen %X\n",
source_desc,
acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE
(source_desc)),
ACPI_GET_OBJECT_TYPE(source_desc), buffer, length));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "field_write [TO]: Obj %p (%s:%X), bit_len %X, bit_off %X, byte_off %X\n",
+ "FieldWrite [TO]: Obj %p (%s:%X), BitLen %X, BitOff %X, ByteOff %X\n",
obj_desc,
acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc)),
ACPI_GET_OBJECT_TYPE(obj_desc),
@@ -375,7 +377,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
/* Free temporary buffer if we used one */
if (new_buffer) {
- ACPI_MEM_FREE(new_buffer);
+ ACPI_FREE(new_buffer);
}
return_ACPI_STATUS(status);
diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c
index bd1af35f7fcf..051053f7cccb 100644
--- a/drivers/acpi/executer/exfldio.c
+++ b/drivers/acpi/executer/exfldio.c
@@ -87,7 +87,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
acpi_status status = AE_OK;
union acpi_operand_object *rgn_desc;
- ACPI_FUNCTION_TRACE_U32("ex_setup_region", field_datum_byte_offset);
+ ACPI_FUNCTION_TRACE_U32(ex_setup_region, field_datum_byte_offset);
rgn_desc = obj_desc->common_field.region_obj;
@@ -112,7 +112,18 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
}
}
+ /* Exit if Address/Length have been disallowed by the host OS */
+
+ if (rgn_desc->common.flags & AOPOBJ_INVALID) {
+ return_ACPI_STATUS(AE_AML_ILLEGAL_ADDRESS);
+ }
+
+ /*
+ * Exit now for SMBus address space, it has a non-linear address space
+ * and the request cannot be directly validated
+ */
if (rgn_desc->region.space_id == ACPI_ADR_SPACE_SMBUS) {
+
/* SMBus has a non-linear address space */
return_ACPI_STATUS(AE_OK);
@@ -134,10 +145,10 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
* length of one field datum (access width) must fit within the region.
* (Region length is specified in bytes)
*/
- if (rgn_desc->region.length < (obj_desc->common_field.base_byte_offset +
- field_datum_byte_offset +
- obj_desc->common_field.
- access_byte_width)) {
+ if (rgn_desc->region.length <
+ (obj_desc->common_field.base_byte_offset +
+ field_datum_byte_offset +
+ obj_desc->common_field.access_byte_width)) {
if (acpi_gbl_enable_interpreter_slack) {
/*
* Slack mode only: We will go ahead and allow access to this
@@ -217,7 +228,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
union acpi_operand_object *rgn_desc;
acpi_physical_address address;
- ACPI_FUNCTION_TRACE("ex_access_region");
+ ACPI_FUNCTION_TRACE(ex_access_region);
/*
* Ensure that the region operands are fully evaluated and verify
@@ -246,7 +257,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_BFIELD,
- " Region [%s:%X], Width %X, byte_base %X, Offset %X at %8.8X%8.8X\n",
+ " Region [%s:%X], Width %X, ByteBase %X, Offset %X at %8.8X%8.8X\n",
acpi_ut_get_region_name(rgn_desc->region.
space_id),
rgn_desc->region.space_id,
@@ -352,7 +363,7 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
acpi_status status;
acpi_integer local_value;
- ACPI_FUNCTION_TRACE_U32("ex_field_datum_io", field_datum_byte_offset);
+ ACPI_FUNCTION_TRACE_U32(ex_field_datum_io, field_datum_byte_offset);
if (read_write == ACPI_READ) {
if (!value) {
@@ -487,10 +498,11 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
}
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "I/O to Data Register: value_ptr %p\n",
+ "I/O to Data Register: ValuePtr %p\n",
value));
if (read_write == ACPI_READ) {
+
/* Read the datum from the data_register */
status =
@@ -559,7 +571,7 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
acpi_integer merged_value;
acpi_integer current_value;
- ACPI_FUNCTION_TRACE_U32("ex_write_with_update_rule", mask);
+ ACPI_FUNCTION_TRACE_U32(ex_write_with_update_rule, mask);
/* Start with the new bits */
@@ -568,6 +580,7 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
/* If the mask is all ones, we don't need to worry about the update rule */
if (mask != ACPI_INTEGER_MAX) {
+
/* Decode the update rule */
switch (obj_desc->common_field.
@@ -614,7 +627,7 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
default:
ACPI_ERROR((AE_INFO,
- "Unknown update_rule value: %X",
+ "Unknown UpdateRule value: %X",
(obj_desc->common_field.
field_flags &
AML_FIELD_UPDATE_RULE_MASK)));
@@ -623,7 +636,7 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
}
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "Mask %8.8X%8.8X, datum_offset %X, Width %X, Value %8.8X%8.8X, merged_value %8.8X%8.8X\n",
+ "Mask %8.8X%8.8X, DatumOffset %X, Width %X, Value %8.8X%8.8X, MergedValue %8.8X%8.8X\n",
ACPI_FORMAT_UINT64(mask),
field_datum_byte_offset,
obj_desc->common_field.access_byte_width,
@@ -666,7 +679,7 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
u32 field_datum_count;
u32 i;
- ACPI_FUNCTION_TRACE("ex_extract_from_field");
+ ACPI_FUNCTION_TRACE(ex_extract_from_field);
/* Validate target buffer and clear it */
@@ -704,6 +717,7 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
/* Read the rest of the field */
for (i = 1; i < field_datum_count; i++) {
+
/* Get next input datum from the field */
field_offset += obj_desc->common_field.access_byte_width;
@@ -771,6 +785,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
{
acpi_status status;
acpi_integer mask;
+ acpi_integer width_mask;
acpi_integer merged_datum;
acpi_integer raw_datum = 0;
u32 field_offset = 0;
@@ -780,7 +795,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
u32 field_datum_count;
u32 i;
- ACPI_FUNCTION_TRACE("ex_insert_into_field");
+ ACPI_FUNCTION_TRACE(ex_insert_into_field);
/* Validate input buffer */
@@ -795,15 +810,20 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
/* Compute the number of datums (access width data items) */
+ width_mask =
+ ACPI_MASK_BITS_ABOVE(obj_desc->common_field.access_bit_width);
mask =
- ACPI_MASK_BITS_BELOW(obj_desc->common_field.start_field_bit_offset);
- datum_count =
- ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length,
- obj_desc->common_field.access_bit_width);
- field_datum_count =
- ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length +
- obj_desc->common_field.start_field_bit_offset,
- obj_desc->common_field.access_bit_width);
+ width_mask & ACPI_MASK_BITS_BELOW(obj_desc->common_field.
+ start_field_bit_offset);
+
+ datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length,
+ obj_desc->common_field.access_bit_width);
+
+ field_datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length +
+ obj_desc->common_field.
+ start_field_bit_offset,
+ obj_desc->common_field.
+ access_bit_width);
/* Get initial Datum from the input buffer */
@@ -817,6 +837,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
/* Write the entire field */
for (i = 1; i < field_datum_count; i++) {
+
/* Write merged datum to the target field */
merged_datum &= mask;
@@ -833,7 +854,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
merged_datum = raw_datum >>
(obj_desc->common_field.access_bit_width -
obj_desc->common_field.start_field_bit_offset);
- mask = ACPI_INTEGER_MAX;
+ mask = width_mask;
if (i == datum_count) {
break;
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c
index 48c18d29222a..bd98aab017cf 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/executer/exmisc.c
@@ -72,7 +72,7 @@ acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
union acpi_operand_object *reference_obj;
union acpi_operand_object *referenced_obj;
- ACPI_FUNCTION_TRACE_PTR("ex_get_object_reference", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_get_object_reference, obj_desc);
*return_desc = NULL;
@@ -168,7 +168,7 @@ acpi_ex_concat_template(union acpi_operand_object *operand0,
acpi_size length1;
acpi_size new_length;
- ACPI_FUNCTION_TRACE("ex_concat_template");
+ ACPI_FUNCTION_TRACE(ex_concat_template);
/*
* Find the end_tag descriptor in each resource template.
@@ -250,7 +250,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
char *new_buf;
acpi_status status;
- ACPI_FUNCTION_TRACE("ex_do_concatenate");
+ ACPI_FUNCTION_TRACE(ex_do_concatenate);
/*
* Convert the second operand if necessary. The first operand
@@ -445,10 +445,24 @@ acpi_ex_do_math_op(u16 opcode, acpi_integer integer0, acpi_integer integer1)
case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result) */
+ /*
+ * We need to check if the shiftcount is larger than the integer bit
+ * width since the behavior of this is not well-defined in the C language.
+ */
+ if (integer1 >= acpi_gbl_integer_bit_width) {
+ return (0);
+ }
return (integer0 << integer1);
case AML_SHIFT_RIGHT_OP: /* shift_right (Operand, shift_count, Result) */
+ /*
+ * We need to check if the shiftcount is larger than the integer bit
+ * width since the behavior of this is not well-defined in the C language.
+ */
+ if (integer1 >= acpi_gbl_integer_bit_width) {
+ return (0);
+ }
return (integer0 >> integer1);
case AML_SUBTRACT_OP: /* Subtract (Integer0, Integer1, Result) */
@@ -489,7 +503,7 @@ acpi_ex_do_logical_numeric_op(u16 opcode,
acpi_status status = AE_OK;
u8 local_result = FALSE;
- ACPI_FUNCTION_TRACE("ex_do_logical_numeric_op");
+ ACPI_FUNCTION_TRACE(ex_do_logical_numeric_op);
switch (opcode) {
case AML_LAND_OP: /* LAnd (Integer0, Integer1) */
@@ -557,7 +571,7 @@ acpi_ex_do_logical_op(u16 opcode,
u8 local_result = FALSE;
int compare;
- ACPI_FUNCTION_TRACE("ex_do_logical_op");
+ ACPI_FUNCTION_TRACE(ex_do_logical_op);
/*
* Convert the second operand if necessary. The first operand
@@ -649,6 +663,7 @@ acpi_ex_do_logical_op(u16 opcode,
/* Length and all bytes must be equal */
if ((length0 == length1) && (compare == 0)) {
+
/* Length and all bytes match ==> TRUE */
local_result = TRUE;
diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c
index f843b22e20b9..93098d68cadf 100644
--- a/drivers/acpi/executer/exmutex.c
+++ b/drivers/acpi/executer/exmutex.c
@@ -61,7 +61,7 @@ acpi_ex_link_mutex(union acpi_operand_object *obj_desc,
*
* RETURN: None
*
- * DESCRIPTION: Remove a mutex from the "acquired_mutex" list
+ * DESCRIPTION: Remove a mutex from the "AcquiredMutex" list
*
******************************************************************************/
@@ -95,7 +95,7 @@ void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc)
*
* RETURN: None
*
- * DESCRIPTION: Add a mutex to the "acquired_mutex" list for this walk
+ * DESCRIPTION: Add a mutex to the "AcquiredMutex" list for this walk
*
******************************************************************************/
@@ -144,7 +144,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
{
acpi_status status;
- ACPI_FUNCTION_TRACE_PTR("ex_acquire_mutex", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_acquire_mutex, obj_desc);
if (!obj_desc) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -165,7 +165,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
*/
if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) {
ACPI_ERROR((AE_INFO,
- "Cannot acquire Mutex [%4.4s], incorrect sync_level",
+ "Cannot acquire Mutex [%4.4s], incorrect SyncLevel",
acpi_ut_get_node_name(obj_desc->mutex.node)));
return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
}
@@ -173,6 +173,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
/* Support for multiple acquires by the owning thread */
if (obj_desc->mutex.owner_thread) {
+
/* Special case for Global Lock, allow all threads */
if ((obj_desc->mutex.owner_thread->thread_id ==
@@ -192,6 +193,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
status = acpi_ex_system_acquire_mutex(time_desc, obj_desc);
if (ACPI_FAILURE(status)) {
+
/* Includes failure from a timeout on time_desc */
return_ACPI_STATUS(status);
@@ -232,7 +234,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ex_release_mutex");
+ ACPI_FUNCTION_TRACE(ex_release_mutex);
if (!obj_desc) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -277,7 +279,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
*/
if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) {
ACPI_ERROR((AE_INFO,
- "Cannot release Mutex [%4.4s], incorrect sync_level",
+ "Cannot release Mutex [%4.4s], incorrect SyncLevel",
acpi_ut_get_node_name(obj_desc->mutex.node)));
return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
}
@@ -286,6 +288,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
obj_desc->mutex.acquisition_depth--;
if (obj_desc->mutex.acquisition_depth != 0) {
+
/* Just decrement the depth and return */
return_ACPI_STATUS(AE_OK);
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
index 054fe5e1a314..d3d70364626c 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/executer/exnames.c
@@ -77,7 +77,7 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
char *name_string;
u32 size_needed;
- ACPI_FUNCTION_TRACE("ex_allocate_name_string");
+ ACPI_FUNCTION_TRACE(ex_allocate_name_string);
/*
* Allow room for all \ and ^ prefixes, all segments and a multi_name_prefix.
@@ -85,6 +85,7 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
* This may actually be somewhat longer than needed.
*/
if (prefix_count == ACPI_UINT32_MAX) {
+
/* Special case for root */
size_needed = 1 + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1;
@@ -97,7 +98,7 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
* Allocate a buffer for the name.
* This buffer must be deleted by the caller!
*/
- name_string = ACPI_MEM_ALLOCATE(size_needed);
+ name_string = ACPI_ALLOCATE(size_needed);
if (!name_string) {
ACPI_ERROR((AE_INFO,
"Could not allocate size %d", size_needed));
@@ -119,11 +120,13 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
/* Set up Dual or Multi prefixes if needed */
if (num_name_segs > 2) {
+
/* Set up multi prefixes */
*temp_ptr++ = AML_MULTI_NAME_PREFIX_OP;
*temp_ptr++ = (char)num_name_segs;
} else if (2 == num_name_segs) {
+
/* Set up dual prefixes */
*temp_ptr++ = AML_DUAL_NAME_PREFIX;
@@ -159,7 +162,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
u32 index;
char char_buf[5];
- ACPI_FUNCTION_TRACE("ex_name_segment");
+ ACPI_FUNCTION_TRACE(ex_name_segment);
/*
* If first character is a digit, then we know that we aren't looking at a
@@ -176,7 +179,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
for (index = 0;
(index < ACPI_NAME_SIZE)
- && (acpi_ut_valid_acpi_character(*aml_address)); index++) {
+ && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) {
char_buf[index] = *aml_address++;
ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index]));
}
@@ -184,6 +187,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
/* Valid name segment */
if (index == 4) {
+
/* Found 4 valid characters */
char_buf[4] = '\0';
@@ -249,11 +253,12 @@ acpi_ex_get_name_string(acpi_object_type data_type,
u32 prefix_count = 0;
u8 has_prefix = FALSE;
- ACPI_FUNCTION_TRACE_PTR("ex_get_name_string", aml_address);
+ ACPI_FUNCTION_TRACE_PTR(ex_get_name_string, aml_address);
if (ACPI_TYPE_LOCAL_REGION_FIELD == data_type ||
ACPI_TYPE_LOCAL_BANK_FIELD == data_type ||
ACPI_TYPE_LOCAL_INDEX_FIELD == data_type) {
+
/* Disallow prefixes for types associated with field_unit names */
name_string = acpi_ex_allocate_name_string(0, 1);
@@ -272,7 +277,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
case AML_ROOT_PREFIX:
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
- "root_prefix(\\) at %p\n",
+ "RootPrefix(\\) at %p\n",
aml_address));
/*
@@ -290,7 +295,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
do {
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
- "parent_prefix (^) at %p\n",
+ "ParentPrefix (^) at %p\n",
aml_address));
aml_address++;
@@ -314,7 +319,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
case AML_DUAL_NAME_PREFIX:
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
- "dual_name_prefix at %p\n",
+ "DualNamePrefix at %p\n",
aml_address));
aml_address++;
@@ -341,7 +346,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
case AML_MULTI_NAME_PREFIX_OP:
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
- "multi_name_prefix at %p\n",
+ "MultiNamePrefix at %p\n",
aml_address));
/* Fetch count of segments remaining in name path */
@@ -377,7 +382,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
if (prefix_count == ACPI_UINT32_MAX) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "name_seg is \"\\\" followed by NULL\n"));
+ "NameSeg is \"\\\" followed by NULL\n"));
}
/* Consume the NULL byte */
@@ -410,6 +415,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
}
if (AE_CTRL_PENDING == status && has_prefix) {
+
/* Ran out of segments after processing a prefix */
ACPI_ERROR((AE_INFO, "Malformed Name at %p", name_string));
@@ -418,7 +424,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
if (ACPI_FAILURE(status)) {
if (name_string) {
- ACPI_MEM_FREE(name_string);
+ ACPI_FREE(name_string);
}
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c
index 23d0823bcd5e..6374d8be88e0 100644
--- a/drivers/acpi/executer/exoparg1.c
+++ b/drivers/acpi/executer/exoparg1.c
@@ -89,7 +89,7 @@ acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state)
acpi_status status = AE_OK;
union acpi_operand_object *return_desc = NULL;
- ACPI_FUNCTION_TRACE_STR("ex_opcode_0A_0T_1R",
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_0A_0T_1R,
acpi_ps_get_opcode_name(walk_state->opcode));
/* Examine the AML opcode */
@@ -150,7 +150,7 @@ acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state)
union acpi_operand_object **operand = &walk_state->operands[0];
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE_STR("ex_opcode_1A_0T_0R",
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_0T_0R,
acpi_ps_get_opcode_name(walk_state->opcode));
/* Examine the AML opcode */
@@ -216,7 +216,7 @@ acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state)
acpi_status status = AE_OK;
union acpi_operand_object **operand = &walk_state->operands[0];
- ACPI_FUNCTION_TRACE_STR("ex_opcode_1A_1T_0R",
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_1T_0R,
acpi_ps_get_opcode_name(walk_state->opcode));
/* Examine the AML opcode */
@@ -264,7 +264,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
acpi_integer power_of_ten;
acpi_integer digit;
- ACPI_FUNCTION_TRACE_STR("ex_opcode_1A_1T_1R",
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_1T_1R,
acpi_ps_get_opcode_name(walk_state->opcode));
/* Examine the AML opcode */
@@ -322,8 +322,9 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
/* Since the bit position is one-based, subtract from 33 (65) */
- return_desc->integer.value = temp32 == 0 ? 0 :
- (ACPI_INTEGER_BIT_SIZE + 1) - temp32;
+ return_desc->integer.value =
+ temp32 ==
+ 0 ? 0 : (ACPI_INTEGER_BIT_SIZE + 1) - temp32;
break;
case AML_FROM_BCD_OP: /* from_bcd (BCDValue, Result) */
@@ -342,6 +343,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
for (i = 0;
(i < acpi_gbl_integer_nybble_width) && (digit > 0);
i++) {
+
/* Get the least significant 4-bit BCD digit */
temp32 = ((u32) digit) & 0xF;
@@ -487,6 +489,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
status = acpi_ex_convert_to_string(operand[0], &return_desc,
ACPI_EXPLICIT_CONVERT_DECIMAL);
if (return_desc == operand[0]) {
+
/* No conversion performed, add ref to handle return value */
acpi_ut_add_reference(return_desc);
}
@@ -497,6 +500,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
status = acpi_ex_convert_to_string(operand[0], &return_desc,
ACPI_EXPLICIT_CONVERT_HEX);
if (return_desc == operand[0]) {
+
/* No conversion performed, add ref to handle return value */
acpi_ut_add_reference(return_desc);
}
@@ -506,6 +510,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
status = acpi_ex_convert_to_buffer(operand[0], &return_desc);
if (return_desc == operand[0]) {
+
/* No conversion performed, add ref to handle return value */
acpi_ut_add_reference(return_desc);
}
@@ -516,6 +521,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
status = acpi_ex_convert_to_integer(operand[0], &return_desc,
ACPI_ANY_BASE);
if (return_desc == operand[0]) {
+
/* No conversion performed, add ref to handle return value */
acpi_ut_add_reference(return_desc);
}
@@ -541,6 +547,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
}
if (ACPI_SUCCESS(status)) {
+
/* Store the return value computed above into the target object */
status = acpi_ex_store(return_desc, operand[1], walk_state);
@@ -548,16 +555,18 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
cleanup:
- if (!walk_state->result_obj) {
- walk_state->result_obj = return_desc;
- }
-
/* Delete return object on error */
if (ACPI_FAILURE(status)) {
acpi_ut_remove_reference(return_desc);
}
+ /* Save return object on success */
+
+ else if (!walk_state->result_obj) {
+ walk_state->result_obj = return_desc;
+ }
+
return_ACPI_STATUS(status);
}
@@ -582,7 +591,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
u32 type;
acpi_integer value;
- ACPI_FUNCTION_TRACE_STR("ex_opcode_1A_0T_1R",
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_0T_1R,
acpi_ps_get_opcode_name(walk_state->opcode));
/* Examine the AML opcode */
@@ -625,6 +634,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
temp_desc = operand[0];
if (ACPI_GET_DESCRIPTOR_TYPE(temp_desc) ==
ACPI_DESC_TYPE_OPERAND) {
+
/* Internal reference object - prevent deletion */
acpi_ut_add_reference(temp_desc);
@@ -689,6 +699,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
if (ACPI_FAILURE(status)) {
goto cleanup;
}
+
/* Allocate a descriptor to hold the type. */
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
@@ -777,8 +788,25 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
/* Check for a method local or argument, or standalone String */
- if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) !=
+ if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) ==
ACPI_DESC_TYPE_NAMED) {
+ temp_desc =
+ acpi_ns_get_attached_object((struct
+ acpi_namespace_node *)
+ operand[0]);
+ if (temp_desc
+ &&
+ ((ACPI_GET_OBJECT_TYPE(temp_desc) ==
+ ACPI_TYPE_STRING)
+ || (ACPI_GET_OBJECT_TYPE(temp_desc) ==
+ ACPI_TYPE_LOCAL_REFERENCE))) {
+ operand[0] = temp_desc;
+ acpi_ut_add_reference(temp_desc);
+ } else {
+ status = AE_AML_OPERAND_TYPE;
+ goto cleanup;
+ }
+ } else {
switch (ACPI_GET_OBJECT_TYPE(operand[0])) {
case ACPI_TYPE_LOCAL_REFERENCE:
/*
@@ -827,26 +855,35 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
break;
case ACPI_TYPE_STRING:
+ break;
+ default:
+ status = AE_AML_OPERAND_TYPE;
+ goto cleanup;
+ }
+ }
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) !=
+ ACPI_DESC_TYPE_NAMED) {
+ if (ACPI_GET_OBJECT_TYPE(operand[0]) ==
+ ACPI_TYPE_STRING) {
/*
* This is a deref_of (String). The string is a reference
* to a named ACPI object.
*
* 1) Find the owning Node
- * 2) Dereference the node to an actual object. Could be a
+ * 2) Dereference the node to an actual object. Could be a
* Field, so we need to resolve the node to a value.
*/
status =
- acpi_ns_get_node_by_path(operand[0]->string.
- pointer,
- walk_state->
- scope_info->scope.
- node,
- ACPI_NS_SEARCH_PARENT,
- ACPI_CAST_INDIRECT_PTR
- (struct
- acpi_namespace_node,
- &return_desc));
+ acpi_ns_get_node(walk_state->scope_info->
+ scope.node,
+ operand[0]->string.pointer,
+ ACPI_NS_SEARCH_PARENT,
+ ACPI_CAST_INDIRECT_PTR
+ (struct
+ acpi_namespace_node,
+ &return_desc));
if (ACPI_FAILURE(status)) {
goto cleanup;
}
@@ -857,11 +894,6 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
(struct acpi_namespace_node, &return_desc),
walk_state);
goto cleanup;
-
- default:
-
- status = AE_AML_OPERAND_TYPE;
- goto cleanup;
}
}
@@ -937,13 +969,12 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
acpi_ut_add_reference
(return_desc);
}
-
break;
default:
ACPI_ERROR((AE_INFO,
- "Unknown Index target_type %X in obj %p",
+ "Unknown Index TargetType %X in obj %p",
operand[0]->reference.
target_type, operand[0]));
status = AE_AML_OPERAND_TYPE;
@@ -957,7 +988,6 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
if (ACPI_GET_DESCRIPTOR_TYPE(return_desc) ==
ACPI_DESC_TYPE_NAMED) {
-
return_desc =
acpi_ns_get_attached_object((struct
acpi_namespace_node
@@ -972,7 +1002,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
default:
ACPI_ERROR((AE_INFO,
- "Unknown opcode in ref(%p) - %X",
+ "Unknown opcode in reference(%p) - %X",
operand[0],
operand[0]->reference.opcode));
@@ -998,6 +1028,11 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
acpi_ut_remove_reference(return_desc);
}
- walk_state->result_obj = return_desc;
+ /* Save return object on success */
+
+ else {
+ walk_state->result_obj = return_desc;
+ }
+
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/executer/exoparg2.c b/drivers/acpi/executer/exoparg2.c
index e263a5ddd405..7d2cbc113160 100644
--- a/drivers/acpi/executer/exoparg2.c
+++ b/drivers/acpi/executer/exoparg2.c
@@ -92,7 +92,7 @@ acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state)
u32 value;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE_STR("ex_opcode_2A_0T_0R",
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_0T_0R,
acpi_ps_get_opcode_name(walk_state->opcode));
/* Examine the opcode */
@@ -121,7 +121,7 @@ acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state)
#ifdef ACPI_GPE_NOTIFY_CHECK
/*
* GPE method wake/notify check. Here, we want to ensure that we
- * don't receive any "device_wake" Notifies from a GPE _Lxx or _Exx
+ * don't receive any "DeviceWake" Notifies from a GPE _Lxx or _Exx
* GPE method during system runtime. If we do, the GPE is marked
* as "wake-only" and disabled.
*
@@ -138,6 +138,7 @@ acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state)
acpi_ev_check_for_wake_only_gpe(walk_state->
gpe_event_info);
if (ACPI_FAILURE(status)) {
+
/* AE_WAKE_ONLY_GPE only error, means ignore this notify */
return_ACPI_STATUS(AE_OK)
@@ -185,7 +186,7 @@ acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state)
union acpi_operand_object *return_desc2 = NULL;
acpi_status status;
- ACPI_FUNCTION_TRACE_STR("ex_opcode_2A_2T_1R",
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_2T_1R,
acpi_ps_get_opcode_name(walk_state->opcode));
/* Execute the opcode */
@@ -252,6 +253,7 @@ acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state)
acpi_ut_remove_reference(return_desc2);
if (ACPI_FAILURE(status)) {
+
/* Delete the return object */
acpi_ut_remove_reference(return_desc1);
@@ -281,12 +283,13 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
acpi_status status = AE_OK;
acpi_size length;
- ACPI_FUNCTION_TRACE_STR("ex_opcode_2A_1T_1R",
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_1T_1R,
acpi_ps_get_opcode_name(walk_state->opcode));
/* Execute the opcode */
if (walk_state->op_info->flags & AML_MATH) {
+
/* All simple math opcodes (add, etc.) */
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
@@ -383,54 +386,70 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
goto cleanup;
}
+ /* Initialize the Index reference object */
+
index = operand[1]->integer.value;
+ return_desc->reference.offset = (u32) index;
+ return_desc->reference.opcode = AML_INDEX_OP;
- /* At this point, the Source operand is a Package, Buffer, or String */
+ /*
+ * At this point, the Source operand is a String, Buffer, or Package.
+ * Verify that the index is within range.
+ */
+ switch (ACPI_GET_OBJECT_TYPE(operand[0])) {
+ case ACPI_TYPE_STRING:
- if (ACPI_GET_OBJECT_TYPE(operand[0]) == ACPI_TYPE_PACKAGE) {
- /* Object to be indexed is a Package */
+ if (index >= operand[0]->string.length) {
+ status = AE_AML_STRING_LIMIT;
+ }
+
+ return_desc->reference.target_type =
+ ACPI_TYPE_BUFFER_FIELD;
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ if (index >= operand[0]->buffer.length) {
+ status = AE_AML_BUFFER_LIMIT;
+ }
+
+ return_desc->reference.target_type =
+ ACPI_TYPE_BUFFER_FIELD;
+ break;
+
+ case ACPI_TYPE_PACKAGE:
if (index >= operand[0]->package.count) {
- ACPI_ERROR((AE_INFO,
- "Index value (%X%8.8X) beyond package end (%X)",
- ACPI_FORMAT_UINT64(index),
- operand[0]->package.count));
status = AE_AML_PACKAGE_LIMIT;
- goto cleanup;
}
return_desc->reference.target_type = ACPI_TYPE_PACKAGE;
- return_desc->reference.object = operand[0];
return_desc->reference.where =
&operand[0]->package.elements[index];
- } else {
- /* Object to be indexed is a Buffer/String */
+ break;
- if (index >= operand[0]->buffer.length) {
- ACPI_ERROR((AE_INFO,
- "Index value (%X%8.8X) beyond end of buffer (%X)",
- ACPI_FORMAT_UINT64(index),
- operand[0]->buffer.length));
- status = AE_AML_BUFFER_LIMIT;
- goto cleanup;
- }
+ default:
- return_desc->reference.target_type =
- ACPI_TYPE_BUFFER_FIELD;
- return_desc->reference.object = operand[0];
+ status = AE_AML_INTERNAL;
+ goto cleanup;
+ }
+
+ /* Failure means that the Index was beyond the end of the object */
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Index (%X%8.8X) is beyond end of object",
+ ACPI_FORMAT_UINT64(index)));
+ goto cleanup;
}
/*
- * Add a reference to the target package/buffer/string for the life
- * of the index.
+ * Save the target object and add a reference to it for the life
+ * of the index
*/
+ return_desc->reference.object = operand[0];
acpi_ut_add_reference(operand[0]);
- /* Complete the Index reference object */
-
- return_desc->reference.opcode = AML_INDEX_OP;
- return_desc->reference.offset = (u32) index;
-
/* Store the reference to the Target */
status = acpi_ex_store(return_desc, operand[2], walk_state);
@@ -495,7 +514,7 @@ acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state)
acpi_status status = AE_OK;
u8 logical_result = FALSE;
- ACPI_FUNCTION_TRACE_STR("ex_opcode_2A_0T_1R",
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_0T_1R,
acpi_ps_get_opcode_name(walk_state->opcode));
/* Create the internal return object */
@@ -509,6 +528,7 @@ acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state)
/* Execute the Opcode */
if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) {
+
/* logical_op (Operand0, Operand1) */
status = acpi_ex_do_logical_numeric_op(walk_state->opcode,
@@ -518,6 +538,7 @@ acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state)
value, &logical_result);
goto store_logical_result;
} else if (walk_state->op_info->flags & AML_LOGICAL) {
+
/* logical_op (Operand0, Operand1) */
status = acpi_ex_do_logical_op(walk_state->opcode, operand[0],
diff --git a/drivers/acpi/executer/exoparg3.c b/drivers/acpi/executer/exoparg3.c
index 6a3a883cb8a3..e2d945dfd509 100644
--- a/drivers/acpi/executer/exoparg3.c
+++ b/drivers/acpi/executer/exoparg3.c
@@ -88,20 +88,19 @@ acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state)
struct acpi_signal_fatal_info *fatal;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE_STR("ex_opcode_3A_0T_0R",
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_3A_0T_0R,
acpi_ps_get_opcode_name(walk_state->opcode));
switch (walk_state->opcode) {
case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "fatal_op: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n",
+ "FatalOp: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n",
(u32) operand[0]->integer.value,
(u32) operand[1]->integer.value,
(u32) operand[2]->integer.value));
- fatal =
- ACPI_MEM_ALLOCATE(sizeof(struct acpi_signal_fatal_info));
+ fatal = ACPI_ALLOCATE(sizeof(struct acpi_signal_fatal_info));
if (fatal) {
fatal->type = (u32) operand[0]->integer.value;
fatal->code = (u32) operand[1]->integer.value;
@@ -114,7 +113,7 @@ acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state)
/* Might return while OS is shutting down, just continue */
- ACPI_MEM_FREE(fatal);
+ ACPI_FREE(fatal);
break;
default:
@@ -151,7 +150,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
acpi_integer index;
acpi_size length;
- ACPI_FUNCTION_TRACE_STR("ex_opcode_3A_1T_1R",
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_3A_1T_1R,
acpi_ps_get_opcode_name(walk_state->opcode));
switch (walk_state->opcode) {
@@ -196,7 +195,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
/* Always allocate a new buffer for the String */
- buffer = ACPI_MEM_CALLOCATE((acpi_size) length + 1);
+ buffer = ACPI_ALLOCATE_ZEROED((acpi_size) length + 1);
if (!buffer) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -208,9 +207,10 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
/* If the requested length is zero, don't allocate a buffer */
if (length > 0) {
+
/* Allocate a new buffer for the Buffer */
- buffer = ACPI_MEM_CALLOCATE(length);
+ buffer = ACPI_ALLOCATE_ZEROED(length);
if (!buffer) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -225,6 +225,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
}
if (buffer) {
+
/* We have a buffer, copy the portion requested */
ACPI_MEMCPY(buffer, operand[0]->string.pointer + index,
diff --git a/drivers/acpi/executer/exoparg6.c b/drivers/acpi/executer/exoparg6.c
index e043d924444f..f0c0ba6eb408 100644
--- a/drivers/acpi/executer/exoparg6.c
+++ b/drivers/acpi/executer/exoparg6.c
@@ -220,7 +220,7 @@ acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
acpi_integer index;
union acpi_operand_object *this_element;
- ACPI_FUNCTION_TRACE_STR("ex_opcode_6A_0T_1R",
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_6A_0T_1R,
acpi_ps_get_opcode_name(walk_state->opcode));
switch (walk_state->opcode) {
@@ -276,6 +276,7 @@ acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
* match was found.
*/
for (; index < operand[0]->package.count; index++) {
+
/* Get the current package element */
this_element = operand[0]->package.elements[index];
diff --git a/drivers/acpi/executer/exprep.c b/drivers/acpi/executer/exprep.c
index 7719ae5d4f16..44d064f427b9 100644
--- a/drivers/acpi/executer/exprep.c
+++ b/drivers/acpi/executer/exprep.c
@@ -97,7 +97,7 @@ acpi_ex_generate_access(u32 field_bit_offset,
u32 minimum_accesses = 0xFFFFFFFF;
u32 accesses;
- ACPI_FUNCTION_TRACE("ex_generate_access");
+ ACPI_FUNCTION_TRACE(ex_generate_access);
/* Round Field start offset and length to "minimal" byte boundaries */
@@ -146,7 +146,7 @@ acpi_ex_generate_access(u32 field_bit_offset,
accesses = field_end_offset - field_start_offset;
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "access_width %d end is within region\n",
+ "AccessWidth %d end is within region\n",
access_byte_width));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
@@ -173,7 +173,7 @@ acpi_ex_generate_access(u32 field_bit_offset,
}
} else {
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "access_width %d end is NOT within region\n",
+ "AccessWidth %d end is NOT within region\n",
access_byte_width));
if (access_byte_width == 1) {
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
@@ -228,7 +228,7 @@ acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
u32 byte_alignment;
u32 bit_length;
- ACPI_FUNCTION_TRACE("ex_decode_field_access");
+ ACPI_FUNCTION_TRACE(ex_decode_field_access);
access = (field_flags & AML_FIELD_ACCESS_TYPE_MASK);
@@ -322,7 +322,7 @@ acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
u32 byte_alignment;
u32 nearest_byte_address;
- ACPI_FUNCTION_TRACE("ex_prep_common_field_object");
+ ACPI_FUNCTION_TRACE(ex_prep_common_field_object);
/*
* Note: the structure being initialized is the
@@ -415,13 +415,13 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
u32 type;
acpi_status status;
- ACPI_FUNCTION_TRACE("ex_prep_field_value");
+ ACPI_FUNCTION_TRACE(ex_prep_field_value);
/* Parameter validation */
if (info->field_type != ACPI_TYPE_LOCAL_INDEX_FIELD) {
if (!info->region_node) {
- ACPI_ERROR((AE_INFO, "Null region_node"));
+ ACPI_ERROR((AE_INFO, "Null RegionNode"));
return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
@@ -467,7 +467,7 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
acpi_ut_add_reference(obj_desc->field.region_obj);
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "region_field: bit_off %X, Off %X, Gran %X, Region %p\n",
+ "RegionField: BitOff %X, Off %X, Gran %X, Region %p\n",
obj_desc->field.start_field_bit_offset,
obj_desc->field.base_byte_offset,
obj_desc->field.access_byte_width,
@@ -488,7 +488,7 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
acpi_ut_add_reference(obj_desc->bank_field.bank_obj);
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "Bank Field: bit_off %X, Off %X, Gran %X, Region %p, bank_reg %p\n",
+ "Bank Field: BitOff %X, Off %X, Gran %X, Region %p, BankReg %p\n",
obj_desc->bank_field.start_field_bit_offset,
obj_desc->bank_field.base_byte_offset,
obj_desc->field.access_byte_width,
@@ -519,16 +519,29 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
acpi_ut_add_reference(obj_desc->index_field.index_obj);
/*
+ * April 2006: Changed to match MS behavior
+ *
* The value written to the Index register is the byte offset of the
- * target field
- * Note: may change code to: ACPI_DIV_8 (Info->field_bit_position)
+ * target field in units of the granularity of the index_field
+ *
+ * Previously, the value was calculated as an index in terms of the
+ * width of the Data register, as below:
+ *
+ * obj_desc->index_field.Value = (u32)
+ * (Info->field_bit_position / ACPI_MUL_8 (
+ * obj_desc->Field.access_byte_width));
+ *
+ * February 2006: Tried value as a byte offset:
+ * obj_desc->index_field.Value = (u32)
+ * ACPI_DIV_8 (Info->field_bit_position);
*/
- obj_desc->index_field.value = (u32)
- (info->field_bit_position /
- ACPI_MUL_8(obj_desc->field.access_byte_width));
+ obj_desc->index_field.value =
+ (u32) ACPI_ROUND_DOWN(ACPI_DIV_8(info->field_bit_position),
+ obj_desc->index_field.
+ access_byte_width);
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "index_field: bit_off %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n",
+ "IndexField: BitOff %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n",
obj_desc->index_field.start_field_bit_offset,
obj_desc->index_field.base_byte_offset,
obj_desc->index_field.value,
@@ -550,7 +563,7 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
acpi_ns_get_type(info->field_node));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "Set named_obj %p [%4.4s], obj_desc %p\n",
+ "Set NamedObj %p [%4.4s], ObjDesc %p\n",
info->field_node,
acpi_ut_get_node_name(info->field_node), obj_desc));
diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c
index 6a4cfdff606d..3cc97ba48b36 100644
--- a/drivers/acpi/executer/exregion.c
+++ b/drivers/acpi/executer/exregion.c
@@ -81,7 +81,7 @@ acpi_ex_system_memory_space_handler(u32 function,
u32 remainder;
#endif
- ACPI_FUNCTION_TRACE("ex_system_memory_space_handler");
+ ACPI_FUNCTION_TRACE(ex_system_memory_space_handler);
/* Validate and translate the bit width */
@@ -103,7 +103,7 @@ acpi_ex_system_memory_space_handler(u32 function,
break;
default:
- ACPI_ERROR((AE_INFO, "Invalid system_memory width %d",
+ ACPI_ERROR((AE_INFO, "Invalid SystemMemory width %d",
bit_width));
return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
}
@@ -135,6 +135,7 @@ acpi_ex_system_memory_space_handler(u32 function,
* Delete the existing mapping and create a new one.
*/
if (mem_info->mapped_length) {
+
/* Valid mapping, delete it */
acpi_os_unmap_memory(mem_info->mapped_logical_address,
@@ -181,8 +182,8 @@ acpi_ex_system_memory_space_handler(u32 function,
(acpi_integer) mem_info->mapped_physical_address);
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "system_memory %d (%d width) Address=%8.8X%8.8X\n",
- function, bit_width, ACPI_FORMAT_UINT64(address)));
+ "System-Memory (width %d) R/W %d Address=%8.8X%8.8X\n",
+ bit_width, function, ACPI_FORMAT_UINT64(address)));
/*
* Perform the memory read or write
@@ -283,11 +284,11 @@ acpi_ex_system_io_space_handler(u32 function,
acpi_status status = AE_OK;
u32 value32;
- ACPI_FUNCTION_TRACE("ex_system_io_space_handler");
+ ACPI_FUNCTION_TRACE(ex_system_io_space_handler);
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "system_iO %d (%d width) Address=%8.8X%8.8X\n",
- function, bit_width, ACPI_FORMAT_UINT64(address)));
+ "System-IO (width %d) R/W %d Address=%8.8X%8.8X\n",
+ bit_width, function, ACPI_FORMAT_UINT64(address)));
/* Decode the function parameter */
@@ -342,7 +343,7 @@ acpi_ex_pci_config_space_handler(u32 function,
struct acpi_pci_id *pci_id;
u16 pci_register;
- ACPI_FUNCTION_TRACE("ex_pci_config_space_handler");
+ ACPI_FUNCTION_TRACE(ex_pci_config_space_handler);
/*
* The arguments to acpi_os(Read|Write)pci_configuration are:
@@ -360,7 +361,7 @@ acpi_ex_pci_config_space_handler(u32 function,
pci_register = (u16) (u32) address;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "pci_config %d (%d) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n",
+ "Pci-Config %d (%d) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n",
function, bit_width, pci_id->segment, pci_id->bus,
pci_id->device, pci_id->function, pci_register));
@@ -414,7 +415,7 @@ acpi_ex_cmos_space_handler(u32 function,
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ex_cmos_space_handler");
+ ACPI_FUNCTION_TRACE(ex_cmos_space_handler);
return_ACPI_STATUS(status);
}
@@ -446,7 +447,7 @@ acpi_ex_pci_bar_space_handler(u32 function,
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ex_pci_bar_space_handler");
+ ACPI_FUNCTION_TRACE(ex_pci_bar_space_handler);
return_ACPI_STATUS(status);
}
@@ -476,23 +477,16 @@ acpi_ex_data_table_space_handler(u32 function,
acpi_integer * value,
void *handler_context, void *region_context)
{
- acpi_status status = AE_OK;
- u32 byte_width = ACPI_DIV_8(bit_width);
- u32 i;
- char *logical_addr_ptr;
-
- ACPI_FUNCTION_TRACE("ex_data_table_space_handler");
-
- logical_addr_ptr = ACPI_PHYSADDR_TO_PTR(address);
+ ACPI_FUNCTION_TRACE(ex_data_table_space_handler);
/* Perform the memory read or write */
switch (function) {
case ACPI_READ:
- for (i = 0; i < byte_width; i++) {
- ((char *)value)[i] = logical_addr_ptr[i];
- }
+ ACPI_MEMCPY(ACPI_CAST_PTR(char, value),
+ ACPI_PHYSADDR_TO_PTR(address),
+ ACPI_DIV_8(bit_width));
break;
case ACPI_WRITE:
@@ -501,5 +495,5 @@ acpi_ex_data_table_space_handler(u32 function,
return_ACPI_STATUS(AE_SUPPORT);
}
- return_ACPI_STATUS(status);
+ return_ACPI_STATUS(AE_OK);
}
diff --git a/drivers/acpi/executer/exresnte.c b/drivers/acpi/executer/exresnte.c
index 01b26c80d22b..3089b05a1368 100644
--- a/drivers/acpi/executer/exresnte.c
+++ b/drivers/acpi/executer/exresnte.c
@@ -87,7 +87,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
struct acpi_namespace_node *node;
acpi_object_type entry_type;
- ACPI_FUNCTION_TRACE("ex_resolve_node_to_value");
+ ACPI_FUNCTION_TRACE(ex_resolve_node_to_value);
/*
* The stack pointer points to a struct acpi_namespace_node (Node). Get the
@@ -97,12 +97,13 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
source_desc = acpi_ns_get_attached_object(node);
entry_type = acpi_ns_get_type((acpi_handle) node);
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Entry=%p source_desc=%p [%s]\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Entry=%p SourceDesc=%p [%s]\n",
node, source_desc,
acpi_ut_get_type_name(entry_type)));
if ((entry_type == ACPI_TYPE_LOCAL_ALIAS) ||
(entry_type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) {
+
/* There is always exactly one level of indirection */
node = ACPI_CAST_PTR(struct acpi_namespace_node, node->object);
@@ -113,10 +114,11 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
/*
* Several object types require no further processing:
- * 1) Devices rarely have an attached object, return the Node
+ * 1) Device/Thermal objects don't have a "real" subobject, return the Node
* 2) Method locals and arguments have a pseudo-Node
*/
- if (entry_type == ACPI_TYPE_DEVICE ||
+ if ((entry_type == ACPI_TYPE_DEVICE) ||
+ (entry_type == ACPI_TYPE_THERMAL) ||
(node->flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL))) {
return_ACPI_STATUS(AE_OK);
}
@@ -141,6 +143,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
status = acpi_ds_get_package_arguments(source_desc);
if (ACPI_SUCCESS(status)) {
+
/* Return an additional reference to the object */
obj_desc = source_desc;
@@ -158,6 +161,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
status = acpi_ds_get_buffer_arguments(source_desc);
if (ACPI_SUCCESS(status)) {
+
/* Return an additional reference to the object */
obj_desc = source_desc;
@@ -199,7 +203,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
case ACPI_TYPE_LOCAL_INDEX_FIELD:
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "field_read Node=%p source_desc=%p Type=%X\n",
+ "FieldRead Node=%p SourceDesc=%p Type=%X\n",
node, source_desc, entry_type));
status =
@@ -213,7 +217,6 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
case ACPI_TYPE_METHOD:
case ACPI_TYPE_POWER:
case ACPI_TYPE_PROCESSOR:
- case ACPI_TYPE_THERMAL:
case ACPI_TYPE_EVENT:
case ACPI_TYPE_REGION:
@@ -240,6 +243,8 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
/* This is a ddb_handle */
/* Return an additional reference to the object */
+ case AML_REF_OF_OP:
+
obj_desc = source_desc;
acpi_ut_add_reference(obj_desc);
break;
diff --git a/drivers/acpi/executer/exresolv.c b/drivers/acpi/executer/exresolv.c
index 1deed492fe88..6499de878017 100644
--- a/drivers/acpi/executer/exresolv.c
+++ b/drivers/acpi/executer/exresolv.c
@@ -78,7 +78,7 @@ acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
{
acpi_status status;
- ACPI_FUNCTION_TRACE_PTR("ex_resolve_to_value", stack_ptr);
+ ACPI_FUNCTION_TRACE_PTR(ex_resolve_to_value, stack_ptr);
if (!stack_ptr || !*stack_ptr) {
ACPI_ERROR((AE_INFO, "Internal - null pointer"));
@@ -144,7 +144,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
union acpi_operand_object *obj_desc;
u16 opcode;
- ACPI_FUNCTION_TRACE("ex_resolve_object_to_value");
+ ACPI_FUNCTION_TRACE(ex_resolve_object_to_value);
stack_desc = *stack_ptr;
@@ -190,7 +190,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "[Arg/Local %X] value_obj is %p\n",
+ "[Arg/Local %X] ValueObj is %p\n",
stack_desc->reference.offset,
obj_desc));
@@ -239,7 +239,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
/* Invalid reference object */
ACPI_ERROR((AE_INFO,
- "Unknown target_type %X in Index/Reference obj %p",
+ "Unknown TargetType %X in Index/Reference obj %p",
stack_desc->reference.target_type,
stack_desc));
status = AE_AML_INTERNAL;
@@ -257,10 +257,24 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
case AML_INT_NAMEPATH_OP: /* Reference to a named object */
- /* Get the object pointed to by the namespace node */
+ /* Dereference the name */
+
+ if ((stack_desc->reference.node->type ==
+ ACPI_TYPE_DEVICE)
+ || (stack_desc->reference.node->type ==
+ ACPI_TYPE_THERMAL)) {
+
+ /* These node types do not have 'real' subobjects */
+
+ *stack_ptr = (void *)stack_desc->reference.node;
+ } else {
+ /* Get the object pointed to by the namespace node */
+
+ *stack_ptr =
+ (stack_desc->reference.node)->object;
+ acpi_ut_add_reference(*stack_ptr);
+ }
- *stack_ptr = (stack_desc->reference.node)->object;
- acpi_ut_add_reference(*stack_ptr);
acpi_ut_remove_reference(stack_desc);
break;
@@ -293,7 +307,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
case ACPI_TYPE_LOCAL_INDEX_FIELD:
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "field_read source_desc=%p Type=%X\n",
+ "FieldRead SourceDesc=%p Type=%X\n",
stack_desc,
ACPI_GET_OBJECT_TYPE(stack_desc)));
@@ -337,7 +351,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
acpi_object_type type;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_ex_resolve_multiple");
+ ACPI_FUNCTION_TRACE(acpi_ex_resolve_multiple);
/* Operand can be either a namespace node or an operand descriptor */
@@ -382,10 +396,16 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
while (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_REFERENCE) {
switch (obj_desc->reference.opcode) {
case AML_REF_OF_OP:
+ case AML_INT_NAMEPATH_OP:
/* Dereference the reference pointer */
- node = obj_desc->reference.object;
+ if (obj_desc->reference.opcode == AML_REF_OF_OP) {
+ node = obj_desc->reference.object;
+ } else { /* AML_INT_NAMEPATH_OP */
+
+ node = obj_desc->reference.node;
+ }
/* All "References" point to a NS node */
@@ -401,6 +421,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
+
/* No object, use the NS node type */
type = acpi_ns_get_type(node);
@@ -432,6 +453,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
*/
obj_desc = *(obj_desc->reference.where);
if (!obj_desc) {
+
/* NULL package elements are allowed */
type = 0; /* Uninitialized */
@@ -439,39 +461,6 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
}
break;
- case AML_INT_NAMEPATH_OP:
-
- /* Dereference the reference pointer */
-
- node = obj_desc->reference.node;
-
- /* All "References" point to a NS node */
-
- if (ACPI_GET_DESCRIPTOR_TYPE(node) !=
- ACPI_DESC_TYPE_NAMED) {
- ACPI_ERROR((AE_INFO, "Not a NS node %p [%s]",
- node,
- acpi_ut_get_descriptor_name(node)));
- return_ACPI_STATUS(AE_AML_INTERNAL);
- }
-
- /* Get the attached object */
-
- obj_desc = acpi_ns_get_attached_object(node);
- if (!obj_desc) {
- /* No object, use the NS node type */
-
- type = acpi_ns_get_type(node);
- goto exit;
- }
-
- /* Check for circular references */
-
- if (obj_desc == operand) {
- return_ACPI_STATUS(AE_AML_CIRCULAR_REFERENCE);
- }
- break;
-
case AML_LOCAL_OP:
case AML_ARG_OP:
@@ -513,7 +502,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
case AML_DEBUG_OP:
- /* The Debug Object is of type "debug_object" */
+ /* The Debug Object is of type "DebugObject" */
type = ACPI_TYPE_DEBUG_OBJECT;
goto exit;
diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c
index a1c000f5a415..4c93d0972333 100644
--- a/drivers/acpi/executer/exresop.c
+++ b/drivers/acpi/executer/exresop.c
@@ -77,6 +77,7 @@ acpi_ex_check_object_type(acpi_object_type type_needed,
ACPI_FUNCTION_ENTRY();
if (type_needed == ACPI_TYPE_ANY) {
+
/* All types OK, so we don't perform any typechecks */
return (AE_OK);
@@ -143,7 +144,7 @@ acpi_ex_resolve_operands(u16 opcode,
acpi_object_type type_needed;
u16 target_op = 0;
- ACPI_FUNCTION_TRACE_U32("ex_resolve_operands", opcode);
+ ACPI_FUNCTION_TRACE_U32(ex_resolve_operands, opcode);
op_info = acpi_ps_get_opcode_info(opcode);
if (op_info->class == AML_CLASS_UNKNOWN) {
@@ -158,7 +159,7 @@ acpi_ex_resolve_operands(u16 opcode,
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Opcode %X [%s] required_operand_types=%8.8X\n",
+ "Opcode %X [%s] RequiredOperandTypes=%8.8X\n",
opcode, op_info->name, arg_types));
/*
@@ -224,6 +225,7 @@ acpi_ex_resolve_operands(u16 opcode,
}
if (object_type == (u8) ACPI_TYPE_LOCAL_REFERENCE) {
+
/* Decode the Reference */
op_info = acpi_ps_get_opcode_info(opcode);
@@ -247,7 +249,7 @@ acpi_ex_resolve_operands(u16 opcode,
ACPI_DEBUG_ONLY_MEMBERS(ACPI_DEBUG_PRINT
((ACPI_DB_EXEC,
- "Operand is a Reference, ref_opcode [%s]\n",
+ "Operand is a Reference, RefOpcode [%s]\n",
(acpi_ps_get_opcode_info
(obj_desc->
reference.
@@ -332,6 +334,7 @@ acpi_ex_resolve_operands(u16 opcode,
}
if (obj_desc->reference.opcode == AML_NAME_OP) {
+
/* Convert a named reference to the actual named object */
temp_node = obj_desc->reference.object;
@@ -623,7 +626,7 @@ acpi_ex_resolve_operands(u16 opcode,
default:
ACPI_ERROR((AE_INFO,
- "Needed [Region/region_field], found [%s] %p",
+ "Needed [Region/RegionField], found [%s] %p",
acpi_ut_get_object_type_name
(obj_desc), obj_desc));
@@ -662,6 +665,7 @@ acpi_ex_resolve_operands(u16 opcode,
}
if (target_op == AML_DEBUG_OP) {
+
/* Allow store of any object to the Debug object */
break;
diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c
index 3f020c0e2b95..0456405ba019 100644
--- a/drivers/acpi/executer/exstore.c
+++ b/drivers/acpi/executer/exstore.c
@@ -82,7 +82,7 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
{
u32 i;
- ACPI_FUNCTION_TRACE_PTR("ex_do_debug_object", source_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc);
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s",
level, " "));
@@ -245,7 +245,7 @@ acpi_ex_store(union acpi_operand_object *source_desc,
acpi_status status = AE_OK;
union acpi_operand_object *ref_desc = dest_desc;
- ACPI_FUNCTION_TRACE_PTR("ex_store", dest_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_store, dest_desc);
/* Validate parameters */
@@ -297,7 +297,7 @@ acpi_ex_store(union acpi_operand_object *source_desc,
ACPI_DUMP_STACK_ENTRY(source_desc);
ACPI_DUMP_STACK_ENTRY(dest_desc);
- ACPI_DUMP_OPERANDS(&dest_desc, ACPI_IMODE_EXECUTE, "ex_store",
+ ACPI_DUMP_OPERANDS(&dest_desc, ACPI_IMODE_EXECUTE, "ExStore",
2,
"Target is not a Reference or Constant object");
@@ -396,7 +396,7 @@ acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
u8 value = 0;
u32 i;
- ACPI_FUNCTION_TRACE("ex_store_object_to_index");
+ ACPI_FUNCTION_TRACE(ex_store_object_to_index);
/*
* Destination must be a reference pointer, and
@@ -423,6 +423,7 @@ acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
}
if (obj_desc) {
+
/* Decrement reference count by the ref count of the parent package */
for (i = 0; i < ((union acpi_operand_object *)
@@ -502,8 +503,7 @@ acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
break;
default:
- ACPI_ERROR((AE_INFO,
- "Target is not a Package or buffer_field"));
+ ACPI_ERROR((AE_INFO, "Target is not a Package or BufferField"));
status = AE_AML_OPERAND_TYPE;
break;
}
@@ -548,7 +548,7 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
union acpi_operand_object *new_desc;
acpi_object_type target_type;
- ACPI_FUNCTION_TRACE_PTR("ex_store_object_to_node", source_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_store_object_to_node, source_desc);
/* Get current type of the node, and object attached to Node */
@@ -572,6 +572,7 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
/* If no implicit conversion, drop into the default case below */
if ((!implicit_conversion) || (walk_state->opcode == AML_COPY_OP)) {
+
/* Force execution of default (no implicit conversion) */
target_type = ACPI_TYPE_ANY;
diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/executer/exstoren.c
index 42967baf760d..591aaf0e18b3 100644
--- a/drivers/acpi/executer/exstoren.c
+++ b/drivers/acpi/executer/exstoren.c
@@ -72,7 +72,7 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
union acpi_operand_object *source_desc = *source_desc_ptr;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ex_resolve_object");
+ ACPI_FUNCTION_TRACE(ex_resolve_object);
/* Ensure we have a Target that can be stored to */
@@ -97,6 +97,7 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
*/
if (ACPI_GET_OBJECT_TYPE(source_desc) ==
ACPI_TYPE_LOCAL_REFERENCE) {
+
/* Resolve a reference object first */
status =
@@ -121,6 +122,7 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
!((ACPI_GET_OBJECT_TYPE(source_desc) ==
ACPI_TYPE_LOCAL_REFERENCE)
&& (source_desc->reference.opcode == AML_LOAD_OP))) {
+
/* Conversion successful but still not a valid type */
ACPI_ERROR((AE_INFO,
@@ -199,7 +201,7 @@ acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
union acpi_operand_object *actual_src_desc;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE_PTR("ex_store_object_to_object", source_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_store_object_to_object, source_desc);
actual_src_desc = source_desc;
if (!dest_desc) {
@@ -289,6 +291,7 @@ acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
}
if (actual_src_desc != source_desc) {
+
/* Delete the intermediate (temporary) source object */
acpi_ut_remove_reference(actual_src_desc);
diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/executer/exstorob.c
index 6ab707087750..99ebe5adfcda 100644
--- a/drivers/acpi/executer/exstorob.c
+++ b/drivers/acpi/executer/exstorob.c
@@ -67,7 +67,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
u32 length;
u8 *buffer;
- ACPI_FUNCTION_TRACE_PTR("ex_store_buffer_to_buffer", source_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_store_buffer_to_buffer, source_desc);
/* We know that source_desc is a buffer by now */
@@ -80,7 +80,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
*/
if ((target_desc->buffer.length == 0) ||
(target_desc->common.flags & AOPOBJ_STATIC_POINTER)) {
- target_desc->buffer.pointer = ACPI_MEM_ALLOCATE(length);
+ target_desc->buffer.pointer = ACPI_ALLOCATE(length);
if (!target_desc->buffer.pointer) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -91,6 +91,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
/* Copy source buffer to target buffer */
if (length <= target_desc->buffer.length) {
+
/* Clear existing buffer and copy in the new one */
ACPI_MEMSET(target_desc->buffer.pointer, 0,
@@ -102,7 +103,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
* NOTE: ACPI versions up to 3.0 specified that the buffer must be
* truncated if the string is smaller than the buffer. However, "other"
* implementations of ACPI never did this and thus became the defacto
- * standard. ACPi 3.0_a changes this behavior such that the buffer
+ * standard. ACPI 3.0_a changes this behavior such that the buffer
* is no longer truncated.
*/
@@ -113,6 +114,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
* copy must not truncate the original buffer.
*/
if (original_src_type == ACPI_TYPE_STRING) {
+
/* Set the new length of the target */
target_desc->buffer.length = length;
@@ -156,7 +158,7 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
u32 length;
u8 *buffer;
- ACPI_FUNCTION_TRACE_PTR("ex_store_string_to_string", source_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_store_string_to_string, source_desc);
/* We know that source_desc is a string by now */
@@ -183,13 +185,14 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
*/
if (target_desc->string.pointer &&
(!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
+
/* Only free if not a pointer into the DSDT */
- ACPI_MEM_FREE(target_desc->string.pointer);
+ ACPI_FREE(target_desc->string.pointer);
}
- target_desc->string.pointer = ACPI_MEM_CALLOCATE((acpi_size)
- length + 1);
+ target_desc->string.pointer = ACPI_ALLOCATE_ZEROED((acpi_size)
+ length + 1);
if (!target_desc->string.pointer) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c
index ea9144f42e1f..52beee3674a0 100644
--- a/drivers/acpi/executer/exsystem.c
+++ b/drivers/acpi/executer/exsystem.c
@@ -68,7 +68,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout)
acpi_status status;
acpi_status status2;
- ACPI_FUNCTION_TRACE("ex_system_wait_semaphore");
+ ACPI_FUNCTION_TRACE(ex_system_wait_semaphore);
status = acpi_os_wait_semaphore(semaphore, 1, 0);
if (ACPI_SUCCESS(status)) {
@@ -76,6 +76,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout)
}
if (status == AE_TIME) {
+
/* We must wait, so unlock the interpreter */
acpi_ex_exit_interpreter();
@@ -90,6 +91,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout)
status2 = acpi_ex_enter_interpreter();
if (ACPI_FAILURE(status2)) {
+
/* Report fatal error, could not acquire interpreter */
return_ACPI_STATUS(status2);
@@ -191,7 +193,7 @@ acpi_ex_system_acquire_mutex(union acpi_operand_object * time_desc,
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE_PTR("ex_system_acquire_mutex", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_system_acquire_mutex, obj_desc);
if (!obj_desc) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -229,7 +231,7 @@ acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ex_system_release_mutex");
+ ACPI_FUNCTION_TRACE(ex_system_release_mutex);
if (!obj_desc) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -263,7 +265,7 @@ acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ex_system_signal_event");
+ ACPI_FUNCTION_TRACE(ex_system_signal_event);
if (obj_desc) {
status = acpi_os_signal_semaphore(obj_desc->event.semaphore, 1);
@@ -293,7 +295,7 @@ acpi_ex_system_wait_event(union acpi_operand_object *time_desc,
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ex_system_wait_event");
+ ACPI_FUNCTION_TRACE(ex_system_wait_event);
if (obj_desc) {
status =
diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c
index f73a61aeb7ec..982c8b65876f 100644
--- a/drivers/acpi/executer/exutils.c
+++ b/drivers/acpi/executer/exutils.c
@@ -87,9 +87,9 @@ acpi_status acpi_ex_enter_interpreter(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ex_enter_interpreter");
+ ACPI_FUNCTION_TRACE(ex_enter_interpreter);
- status = acpi_ut_acquire_mutex(ACPI_MTX_EXECUTE);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER);
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO, "Could not acquire interpreter mutex"));
}
@@ -123,9 +123,9 @@ void acpi_ex_exit_interpreter(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ex_exit_interpreter");
+ ACPI_FUNCTION_TRACE(ex_exit_interpreter);
- status = acpi_ut_release_mutex(ACPI_MTX_EXECUTE);
+ status = acpi_ut_release_mutex(ACPI_MTX_INTERPRETER);
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO, "Could not release interpreter mutex"));
}
@@ -189,11 +189,12 @@ u8 acpi_ex_acquire_global_lock(u32 field_flags)
u8 locked = FALSE;
acpi_status status;
- ACPI_FUNCTION_TRACE("ex_acquire_global_lock");
+ ACPI_FUNCTION_TRACE(ex_acquire_global_lock);
/* Only attempt lock if the always_lock bit is set */
if (field_flags & AML_FIELD_LOCK_RULE_MASK) {
+
/* We should attempt to get the lock, wait forever */
status = acpi_ev_acquire_global_lock(ACPI_WAIT_FOREVER);
@@ -225,15 +226,17 @@ void acpi_ex_release_global_lock(u8 locked_by_me)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ex_release_global_lock");
+ ACPI_FUNCTION_TRACE(ex_release_global_lock);
/* Only attempt unlock if the caller locked it */
if (locked_by_me) {
+
/* OK, now release the lock */
status = acpi_ev_release_global_lock();
if (ACPI_FAILURE(status)) {
+
/* Report the error, but there isn't much else we can do */
ACPI_EXCEPTION((AE_INFO, status,
@@ -263,7 +266,7 @@ static u32 acpi_ex_digits_needed(acpi_integer value, u32 base)
u32 num_digits;
acpi_integer current_value;
- ACPI_FUNCTION_TRACE("ex_digits_needed");
+ ACPI_FUNCTION_TRACE(ex_digits_needed);
/* acpi_integer is unsigned, so we don't worry about a '-' prefix */
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index e8165c4f162a..1cd25784b7a4 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -48,6 +48,8 @@ MODULE_LICENSE("GPL");
static int acpi_fan_add(struct acpi_device *device);
static int acpi_fan_remove(struct acpi_device *device, int type);
+static int acpi_fan_suspend(struct acpi_device *device, int state);
+static int acpi_fan_resume(struct acpi_device *device, int state);
static struct acpi_driver acpi_fan_driver = {
.name = ACPI_FAN_DRIVER_NAME,
@@ -56,6 +58,8 @@ static struct acpi_driver acpi_fan_driver = {
.ops = {
.add = acpi_fan_add,
.remove = acpi_fan_remove,
+ .suspend = acpi_fan_suspend,
+ .resume = acpi_fan_resume,
},
};
@@ -206,6 +210,10 @@ static int acpi_fan_add(struct acpi_device *device)
goto end;
}
+ device->flags.force_power_state = 1;
+ acpi_bus_set_power(device->handle, state);
+ device->flags.force_power_state = 0;
+
result = acpi_fan_add_fs(device);
if (result)
goto end;
@@ -239,6 +247,38 @@ static int acpi_fan_remove(struct acpi_device *device, int type)
return_VALUE(0);
}
+static int acpi_fan_suspend(struct acpi_device *device, int state)
+{
+ if (!device)
+ return -EINVAL;
+
+ acpi_bus_set_power(device->handle, ACPI_STATE_D0);
+
+ return AE_OK;
+}
+
+static int acpi_fan_resume(struct acpi_device *device, int state)
+{
+ int result = 0;
+ int power_state = 0;
+
+ if (!device)
+ return -EINVAL;
+
+ result = acpi_bus_get_power(device->handle, &power_state);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Error reading fan power state\n"));
+ return result;
+ }
+
+ device->flags.force_power_state = 1;
+ acpi_bus_set_power(device->handle, power_state);
+ device->flags.force_power_state = 0;
+
+ return result;
+}
+
static int __init acpi_fan_init(void)
{
int result = 0;
diff --git a/drivers/acpi/hardware/hwacpi.c b/drivers/acpi/hardware/hwacpi.c
index ea2f13271ff1..de50fab2a910 100644
--- a/drivers/acpi/hardware/hwacpi.c
+++ b/drivers/acpi/hardware/hwacpi.c
@@ -63,7 +63,7 @@ acpi_status acpi_hw_initialize(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("hw_initialize");
+ ACPI_FUNCTION_TRACE(hw_initialize);
/* We must have the ACPI tables by the time we get here */
@@ -100,7 +100,7 @@ acpi_status acpi_hw_set_mode(u32 mode)
acpi_status status;
u32 retry;
- ACPI_FUNCTION_TRACE("hw_set_mode");
+ ACPI_FUNCTION_TRACE(hw_set_mode);
/*
* ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
@@ -198,7 +198,7 @@ u32 acpi_hw_get_mode(void)
acpi_status status;
u32 value;
- ACPI_FUNCTION_TRACE("hw_get_mode");
+ ACPI_FUNCTION_TRACE(hw_get_mode);
/*
* ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c
index d84942d22dd5..608a3a60ee11 100644
--- a/drivers/acpi/hardware/hwgpe.c
+++ b/drivers/acpi/hardware/hwgpe.c
@@ -214,6 +214,7 @@ acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info * gpe_xrupt_info,
/* Examine each GPE Register within the block */
for (i = 0; i < gpe_block->register_count; i++) {
+
/* Disable all GPEs in this register */
status = acpi_hw_low_level_write(8, 0x00,
@@ -250,6 +251,7 @@ acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info * gpe_xrupt_info,
/* Examine each GPE Register within the block */
for (i = 0; i < gpe_block->register_count; i++) {
+
/* Clear status on all GPEs in this register */
status = acpi_hw_low_level_write(8, 0xFF,
@@ -368,7 +370,7 @@ acpi_status acpi_hw_disable_all_gpes(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("hw_disable_all_gpes");
+ ACPI_FUNCTION_TRACE(hw_disable_all_gpes);
status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block);
status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block);
@@ -391,7 +393,7 @@ acpi_status acpi_hw_enable_all_runtime_gpes(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("hw_enable_all_runtime_gpes");
+ ACPI_FUNCTION_TRACE(hw_enable_all_runtime_gpes);
status = acpi_ev_walk_gpe_list(acpi_hw_enable_runtime_gpe_block);
return_ACPI_STATUS(status);
@@ -413,7 +415,7 @@ acpi_status acpi_hw_enable_all_wakeup_gpes(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("hw_enable_all_wakeup_gpes");
+ ACPI_FUNCTION_TRACE(hw_enable_all_wakeup_gpes);
status = acpi_ev_walk_gpe_list(acpi_hw_enable_wakeup_gpe_block);
return_ACPI_STATUS(status);
diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c
index e1fe75498415..ae142de19507 100644
--- a/drivers/acpi/hardware/hwregs.c
+++ b/drivers/acpi/hardware/hwregs.c
@@ -43,8 +43,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
#include <acpi/acevents.h>
@@ -63,23 +61,21 @@ ACPI_MODULE_NAME("hwregs")
* DESCRIPTION: Clears all fixed and general purpose status bits
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
*
+ * NOTE: TBD: Flags parameter is obsolete, to be removed
+ *
******************************************************************************/
acpi_status acpi_hw_clear_acpi_status(u32 flags)
{
acpi_status status;
+ acpi_cpu_flags lock_flags = 0;
- ACPI_FUNCTION_TRACE("hw_clear_acpi_status");
+ ACPI_FUNCTION_TRACE(hw_clear_acpi_status);
ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %04X\n",
ACPI_BITMASK_ALL_FIXED_STATUS,
(u16) acpi_gbl_FADT->xpm1a_evt_blk.address));
- if (flags & ACPI_MTX_LOCK) {
- status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
+ lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
ACPI_REGISTER_PM1_STATUS,
@@ -104,9 +100,7 @@ acpi_status acpi_hw_clear_acpi_status(u32 flags)
status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block);
unlock_and_exit:
- if (flags & ACPI_MTX_LOCK) {
- (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
- }
+ acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
return_ACPI_STATUS(status);
}
@@ -129,10 +123,9 @@ acpi_status
acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b)
{
acpi_status status = AE_OK;
- struct acpi_parameter_info info;
- char *sleep_state_name;
+ struct acpi_evaluate_info *info;
- ACPI_FUNCTION_TRACE("acpi_get_sleep_type_data");
+ ACPI_FUNCTION_TRACE(acpi_get_sleep_type_data);
/* Validate parameters */
@@ -140,34 +133,39 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b)
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /* Evaluate the namespace object containing the values for this state */
+ /* Allocate the evaluation information block */
+
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
- info.parameters = NULL;
- info.return_object = NULL;
- sleep_state_name =
+ info->pathname =
ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]);
- status = acpi_ns_evaluate_by_name(sleep_state_name, &info);
+ /* Evaluate the namespace object containing the values for this state */
+
+ status = acpi_ns_evaluate(info);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "%s while evaluating sleep_state [%s]\n",
+ "%s while evaluating SleepState [%s]\n",
acpi_format_exception(status),
- sleep_state_name));
+ info->pathname));
- return_ACPI_STATUS(status);
+ goto cleanup;
}
/* Must have a return object */
- if (!info.return_object) {
+ if (!info->return_object) {
ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]",
- sleep_state_name));
+ info->pathname));
status = AE_NOT_EXIST;
}
/* It must be of type Package */
- else if (ACPI_GET_OBJECT_TYPE(info.return_object) != ACPI_TYPE_PACKAGE) {
+ else if (ACPI_GET_OBJECT_TYPE(info->return_object) != ACPI_TYPE_PACKAGE) {
ACPI_ERROR((AE_INFO,
"Sleep State return object is not a Package"));
status = AE_AML_OPERAND_TYPE;
@@ -180,7 +178,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b)
* by BIOS vendors seems to be to have 2 or more elements, at least
* one per sleep type (A/B).
*/
- else if (info.return_object->package.count < 2) {
+ else if (info->return_object->package.count < 2) {
ACPI_ERROR((AE_INFO,
"Sleep State return package does not have at least two elements"));
status = AE_AML_NO_OPERAND;
@@ -188,39 +186,42 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b)
/* The first two elements must both be of type Integer */
- else if ((ACPI_GET_OBJECT_TYPE(info.return_object->package.elements[0])
+ else if ((ACPI_GET_OBJECT_TYPE(info->return_object->package.elements[0])
!= ACPI_TYPE_INTEGER) ||
- (ACPI_GET_OBJECT_TYPE(info.return_object->package.elements[1])
+ (ACPI_GET_OBJECT_TYPE(info->return_object->package.elements[1])
!= ACPI_TYPE_INTEGER)) {
ACPI_ERROR((AE_INFO,
"Sleep State return package elements are not both Integers (%s, %s)",
- acpi_ut_get_object_type_name(info.return_object->
+ acpi_ut_get_object_type_name(info->return_object->
package.elements[0]),
- acpi_ut_get_object_type_name(info.return_object->
+ acpi_ut_get_object_type_name(info->return_object->
package.elements[1])));
status = AE_AML_OPERAND_TYPE;
} else {
/* Valid _Sx_ package size, type, and value */
*sleep_type_a = (u8)
- (info.return_object->package.elements[0])->integer.value;
+ (info->return_object->package.elements[0])->integer.value;
*sleep_type_b = (u8)
- (info.return_object->package.elements[1])->integer.value;
+ (info->return_object->package.elements[1])->integer.value;
}
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
- "While evaluating sleep_state [%s], bad Sleep object %p type %s",
- sleep_state_name, info.return_object,
- acpi_ut_get_object_type_name(info.
+ "While evaluating SleepState [%s], bad Sleep object %p type %s",
+ info->pathname, info->return_object,
+ acpi_ut_get_object_type_name(info->
return_object)));
}
- acpi_ut_remove_reference(info.return_object);
+ acpi_ut_remove_reference(info->return_object);
+
+ cleanup:
+ ACPI_FREE(info);
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_get_sleep_type_data);
+ACPI_EXPORT_SYMBOL(acpi_get_sleep_type_data)
/*******************************************************************************
*
@@ -233,13 +234,12 @@ EXPORT_SYMBOL(acpi_get_sleep_type_data);
* DESCRIPTION: Map register_id into a register bitmask.
*
******************************************************************************/
-
struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
{
ACPI_FUNCTION_ENTRY();
if (register_id > ACPI_BITREG_MAX) {
- ACPI_ERROR((AE_INFO, "Invalid bit_register ID: %X",
+ ACPI_ERROR((AE_INFO, "Invalid BitRegister ID: %X",
register_id));
return (NULL);
}
@@ -260,6 +260,8 @@ struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
*
* DESCRIPTION: ACPI bit_register read function.
*
+ * NOTE: TBD: Flags parameter is obsolete, to be removed
+ *
******************************************************************************/
acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags)
@@ -268,7 +270,7 @@ acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags)
struct acpi_bit_register_info *bit_reg_info;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_get_register");
+ ACPI_FUNCTION_TRACE(acpi_get_register);
/* Get the info structure corresponding to the requested ACPI Register */
@@ -277,24 +279,14 @@ acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags)
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- if (flags & ACPI_MTX_LOCK) {
- status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
-
/* Read from the register */
- status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
+ status = acpi_hw_register_read(ACPI_MTX_LOCK,
bit_reg_info->parent_register,
&register_value);
- if (flags & ACPI_MTX_LOCK) {
- (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
- }
-
if (ACPI_SUCCESS(status)) {
+
/* Normalize the value that was read */
register_value =
@@ -311,7 +303,7 @@ acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags)
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_get_register);
+ACPI_EXPORT_SYMBOL(acpi_get_register)
/*******************************************************************************
*
@@ -326,31 +318,28 @@ EXPORT_SYMBOL(acpi_get_register);
*
* DESCRIPTION: ACPI Bit Register write function.
*
+ * NOTE: TBD: Flags parameter is obsolete, to be removed
+ *
******************************************************************************/
-
acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags)
{
u32 register_value = 0;
struct acpi_bit_register_info *bit_reg_info;
acpi_status status;
+ acpi_cpu_flags lock_flags;
- ACPI_FUNCTION_TRACE_U32("acpi_set_register", register_id);
+ ACPI_FUNCTION_TRACE_U32(acpi_set_register, register_id);
/* Get the info structure corresponding to the requested ACPI Register */
bit_reg_info = acpi_hw_get_bit_register_info(register_id);
if (!bit_reg_info) {
- ACPI_ERROR((AE_INFO, "Bad ACPI HW register_id: %X",
+ ACPI_ERROR((AE_INFO, "Bad ACPI HW RegisterId: %X",
register_id));
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- if (flags & ACPI_MTX_LOCK) {
- status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
+ lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
/* Always do a register read first so we can insert the new bits */
@@ -458,9 +447,7 @@ acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags)
unlock_and_exit:
- if (flags & ACPI_MTX_LOCK) {
- (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
- }
+ acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
/* Normalize the value that was read */
@@ -474,7 +461,7 @@ acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags)
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_set_register);
+ACPI_EXPORT_SYMBOL(acpi_set_register)
/******************************************************************************
*
@@ -490,21 +477,18 @@ EXPORT_SYMBOL(acpi_set_register);
* given offset.
*
******************************************************************************/
-
acpi_status
acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value)
{
u32 value1 = 0;
u32 value2 = 0;
acpi_status status;
+ acpi_cpu_flags lock_flags = 0;
- ACPI_FUNCTION_TRACE("hw_register_read");
+ ACPI_FUNCTION_TRACE(hw_register_read);
if (ACPI_MTX_LOCK == use_lock) {
- status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
+ lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
}
switch (register_id) {
@@ -582,7 +566,7 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value)
unlock_and_exit:
if (ACPI_MTX_LOCK == use_lock) {
- (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
+ acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
}
if (ACPI_SUCCESS(status)) {
@@ -610,14 +594,12 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value)
acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value)
{
acpi_status status;
+ acpi_cpu_flags lock_flags = 0;
- ACPI_FUNCTION_TRACE("hw_register_write");
+ ACPI_FUNCTION_TRACE(hw_register_write);
if (ACPI_MTX_LOCK == use_lock) {
- status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
+ lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
}
switch (register_id) {
@@ -707,7 +689,7 @@ acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value)
unlock_and_exit:
if (ACPI_MTX_LOCK == use_lock) {
- (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
+ acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
}
return_ACPI_STATUS(status);
@@ -733,7 +715,7 @@ acpi_hw_low_level_read(u32 width, u32 * value, struct acpi_generic_address *reg)
u64 address;
acpi_status status;
- ACPI_FUNCTION_NAME("hw_low_level_read");
+ ACPI_FUNCTION_NAME(hw_low_level_read);
/*
* Must have a valid pointer to a GAS structure, and
@@ -805,7 +787,7 @@ acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address * reg)
u64 address;
acpi_status status;
- ACPI_FUNCTION_NAME("hw_low_level_write");
+ ACPI_FUNCTION_NAME(hw_low_level_write);
/*
* Must have a valid pointer to a GAS structure, and
diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index 89269272fd62..8bb43cae60c2 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -42,7 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
#include <acpi/acpi.h>
#define _COMPONENT ACPI_HARDWARE
@@ -64,7 +63,7 @@ acpi_status
acpi_set_firmware_waking_vector(acpi_physical_address physical_address)
{
- ACPI_FUNCTION_TRACE("acpi_set_firmware_waking_vector");
+ ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector);
/* Set the vector */
@@ -79,6 +78,8 @@ acpi_set_firmware_waking_vector(acpi_physical_address physical_address)
return_ACPI_STATUS(AE_OK);
}
+ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector)
+
/*******************************************************************************
*
* FUNCTION: acpi_get_firmware_waking_vector
@@ -92,13 +93,12 @@ acpi_set_firmware_waking_vector(acpi_physical_address physical_address)
* DESCRIPTION: Access function for the firmware_waking_vector field in FACS
*
******************************************************************************/
-
#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
{
- ACPI_FUNCTION_TRACE("acpi_get_firmware_waking_vector");
+ ACPI_FUNCTION_TRACE(acpi_get_firmware_waking_vector);
if (!physical_address) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -118,6 +118,8 @@ acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
return_ACPI_STATUS(AE_OK);
}
+
+ACPI_EXPORT_SYMBOL(acpi_get_firmware_waking_vector)
#endif
/*******************************************************************************
@@ -134,14 +136,13 @@ acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
* various OS-specific tasks between the two steps.
*
******************************************************************************/
-
acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
{
acpi_status status;
struct acpi_object_list arg_list;
union acpi_object arg;
- ACPI_FUNCTION_TRACE("acpi_enter_sleep_state_prep");
+ ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_prep);
/*
* _PSW methods could be run here to enable wake-on keyboard, LAN, etc.
@@ -206,6 +207,8 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
return_ACPI_STATUS(AE_OK);
}
+ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)
+
/*******************************************************************************
*
* FUNCTION: acpi_enter_sleep_state
@@ -218,7 +221,6 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
*
******************************************************************************/
-
acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
{
u32 PM1Acontrol;
@@ -228,7 +230,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
u32 in_value;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_enter_sleep_state");
+ ACPI_FUNCTION_TRACE(acpi_enter_sleep_state);
if ((acpi_gbl_sleep_type_a > ACPI_SLEEP_TYPE_MAX) ||
(acpi_gbl_sleep_type_b > ACPI_SLEEP_TYPE_MAX)) {
@@ -378,7 +380,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
return_ACPI_STATUS(AE_OK);
}
-EXPORT_SYMBOL(acpi_enter_sleep_state);
+ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state)
/*******************************************************************************
*
@@ -392,13 +394,12 @@ EXPORT_SYMBOL(acpi_enter_sleep_state);
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
*
******************************************************************************/
-
acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
{
u32 in_value;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_enter_sleep_state_s4bios");
+ ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_s4bios);
status =
acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_DO_NOT_LOCK);
@@ -443,7 +444,7 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
return_ACPI_STATUS(AE_OK);
}
-EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios);
+ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios)
/*******************************************************************************
*
@@ -457,7 +458,6 @@ EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios);
* Called with interrupts ENABLED.
*
******************************************************************************/
-
acpi_status acpi_leave_sleep_state(u8 sleep_state)
{
struct acpi_object_list arg_list;
@@ -468,7 +468,7 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
u32 PM1Acontrol;
u32 PM1Bcontrol;
- ACPI_FUNCTION_TRACE("acpi_leave_sleep_state");
+ ACPI_FUNCTION_TRACE(acpi_leave_sleep_state);
/*
* Set SLP_TYPE and SLP_EN to state S0.
@@ -490,6 +490,7 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
ACPI_REGISTER_PM1_CONTROL,
&PM1Acontrol);
if (ACPI_SUCCESS(status)) {
+
/* Clear SLP_EN and SLP_TYP fields */
PM1Acontrol &= ~(sleep_type_reg_info->access_bit_mask |
@@ -583,3 +584,5 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
return_ACPI_STATUS(status);
}
+
+ACPI_EXPORT_SYMBOL(acpi_leave_sleep_state)
diff --git a/drivers/acpi/hardware/hwtimer.c b/drivers/acpi/hardware/hwtimer.c
index fc10b7cb456f..c4ec47c939fd 100644
--- a/drivers/acpi/hardware/hwtimer.c
+++ b/drivers/acpi/hardware/hwtimer.c
@@ -42,7 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
#include <acpi/acpi.h>
#define _COMPONENT ACPI_HARDWARE
@@ -61,13 +60,13 @@ ACPI_MODULE_NAME("hwtimer")
******************************************************************************/
acpi_status acpi_get_timer_resolution(u32 * resolution)
{
- ACPI_FUNCTION_TRACE("acpi_get_timer_resolution");
+ ACPI_FUNCTION_TRACE(acpi_get_timer_resolution);
if (!resolution) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- if (0 == acpi_gbl_FADT->tmr_val_ext) {
+ if (acpi_gbl_FADT->tmr_val_ext == 0) {
*resolution = 24;
} else {
*resolution = 32;
@@ -76,6 +75,8 @@ acpi_status acpi_get_timer_resolution(u32 * resolution)
return_ACPI_STATUS(AE_OK);
}
+ACPI_EXPORT_SYMBOL(acpi_get_timer_resolution)
+
/******************************************************************************
*
* FUNCTION: acpi_get_timer
@@ -87,12 +88,11 @@ acpi_status acpi_get_timer_resolution(u32 * resolution)
* DESCRIPTION: Obtains current value of ACPI PM Timer (in ticks).
*
******************************************************************************/
-
acpi_status acpi_get_timer(u32 * ticks)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_get_timer");
+ ACPI_FUNCTION_TRACE(acpi_get_timer);
if (!ticks) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -103,7 +103,7 @@ acpi_status acpi_get_timer(u32 * ticks)
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_get_timer);
+ACPI_EXPORT_SYMBOL(acpi_get_timer)
/******************************************************************************
*
@@ -133,7 +133,6 @@ EXPORT_SYMBOL(acpi_get_timer);
* 2**32 Ticks / 3,600,000 Ticks/Sec = 1193 sec or 19.88 minutes
*
******************************************************************************/
-
acpi_status
acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
{
@@ -141,7 +140,7 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
u32 delta_ticks;
acpi_integer quotient;
- ACPI_FUNCTION_TRACE("acpi_get_timer_duration");
+ ACPI_FUNCTION_TRACE(acpi_get_timer_duration);
if (!time_elapsed) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -154,7 +153,8 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
if (start_ticks < end_ticks) {
delta_ticks = end_ticks - start_ticks;
} else if (start_ticks > end_ticks) {
- if (0 == acpi_gbl_FADT->tmr_val_ext) {
+ if (acpi_gbl_FADT->tmr_val_ext == 0) {
+
/* 24-bit Timer */
delta_ticks =
@@ -183,4 +183,4 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_get_timer_duration);
+ACPI_EXPORT_SYMBOL(acpi_get_timer_duration)
diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c
index 2e2e4051dfa7..c25b2b92edcf 100644
--- a/drivers/acpi/hotkey.c
+++ b/drivers/acpi/hotkey.c
@@ -723,6 +723,8 @@ get_parms(char *config_record,
goto do_fail;
count = tmp1 - tmp;
*action_handle = (char *)kmalloc(count + 1, GFP_KERNEL);
+ if (!*action_handle)
+ goto do_fail;
strncpy(*action_handle, tmp, count);
*(*action_handle + count) = 0;
diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c
index 262b1f41335a..15fc12482ba0 100644
--- a/drivers/acpi/ibm_acpi.c
+++ b/drivers/acpi/ibm_acpi.c
@@ -567,6 +567,69 @@ static int bluetooth_write(char *buf)
return 0;
}
+static int wan_supported;
+
+static int wan_init(void)
+{
+ wan_supported = hkey_handle &&
+ acpi_evalf(hkey_handle, NULL, "GWAN", "qv");
+
+ return 0;
+}
+
+static int wan_status(void)
+{
+ int status;
+
+ if (!wan_supported ||
+ !acpi_evalf(hkey_handle, &status, "GWAN", "d"))
+ status = 0;
+
+ return status;
+}
+
+static int wan_read(char *p)
+{
+ int len = 0;
+ int status = wan_status();
+
+ if (!wan_supported)
+ len += sprintf(p + len, "status:\t\tnot supported\n");
+ else if (!(status & 1))
+ len += sprintf(p + len, "status:\t\tnot installed\n");
+ else {
+ len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 1));
+ len += sprintf(p + len, "commands:\tenable, disable\n");
+ }
+
+ return len;
+}
+
+static int wan_write(char *buf)
+{
+ int status = wan_status();
+ char *cmd;
+ int do_cmd = 0;
+
+ if (!wan_supported)
+ return -ENODEV;
+
+ while ((cmd = next_cmd(&buf))) {
+ if (strlencmp(cmd, "enable") == 0) {
+ status |= 2;
+ } else if (strlencmp(cmd, "disable") == 0) {
+ status &= ~2;
+ } else
+ return -EINVAL;
+ do_cmd = 1;
+ }
+
+ if (do_cmd && !acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status))
+ return -EIO;
+
+ return 0;
+}
+
static int video_supported;
static int video_orig_autosw;
@@ -1563,6 +1626,13 @@ static struct ibm_struct ibms[] = {
.write = bluetooth_write,
},
{
+ .name = "wan",
+ .init = wan_init,
+ .read = wan_read,
+ .write = wan_write,
+ .experimental = 1,
+ },
+ {
.name = "video",
.init = video_init,
.read = video_read,
diff --git a/drivers/acpi/motherboard.c b/drivers/acpi/motherboard.c
index 468244147ec1..d51d68f5dd8d 100644
--- a/drivers/acpi/motherboard.c
+++ b/drivers/acpi/motherboard.c
@@ -37,7 +37,7 @@ ACPI_MODULE_NAME("acpi_motherboard")
#define ACPI_MB_HID2 "PNP0C02"
/**
* Doesn't care about legacy IO ports, only IO ports beyond 0x1000 are reserved
- * Doesn't care about the failure of 'request_region', since other may reserve
+ * Doesn't care about the failure of 'request_region', since other may reserve
* the io ports as well
*/
#define IS_RESERVED_ADDR(base, len) \
@@ -46,7 +46,7 @@ ACPI_MODULE_NAME("acpi_motherboard")
/*
* Clearing the flag (IORESOURCE_BUSY) allows drivers to use
* the io ports if they really know they can use it, while
- * still preventing hotplug PCI devices from using it.
+ * still preventing hotplug PCI devices from using it.
*/
static acpi_status acpi_reserve_io_ranges(struct acpi_resource *res, void *data)
{
@@ -123,49 +123,54 @@ static struct acpi_driver acpi_motherboard_driver2 = {
},
};
+static void __init acpi_request_region (struct acpi_generic_address *addr,
+ unsigned int length, char *desc)
+{
+ if (!addr->address || !length)
+ return;
+
+ if (addr->address_space_id == ACPI_ADR_SPACE_SYSTEM_IO)
+ request_region(addr->address, length, desc);
+ else if (addr->address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
+ request_mem_region(addr->address, length, desc);
+}
+
static void __init acpi_reserve_resources(void)
{
- if (acpi_gbl_FADT->xpm1a_evt_blk.address && acpi_gbl_FADT->pm1_evt_len)
- request_region(acpi_gbl_FADT->xpm1a_evt_blk.address,
- acpi_gbl_FADT->pm1_evt_len, "PM1a_EVT_BLK");
+ acpi_request_region(&acpi_gbl_FADT->xpm1a_evt_blk,
+ acpi_gbl_FADT->pm1_evt_len, "ACPI PM1a_EVT_BLK");
- if (acpi_gbl_FADT->xpm1b_evt_blk.address && acpi_gbl_FADT->pm1_evt_len)
- request_region(acpi_gbl_FADT->xpm1b_evt_blk.address,
- acpi_gbl_FADT->pm1_evt_len, "PM1b_EVT_BLK");
+ acpi_request_region(&acpi_gbl_FADT->xpm1b_evt_blk,
+ acpi_gbl_FADT->pm1_evt_len, "ACPI PM1b_EVT_BLK");
- if (acpi_gbl_FADT->xpm1a_cnt_blk.address && acpi_gbl_FADT->pm1_cnt_len)
- request_region(acpi_gbl_FADT->xpm1a_cnt_blk.address,
- acpi_gbl_FADT->pm1_cnt_len, "PM1a_CNT_BLK");
+ acpi_request_region(&acpi_gbl_FADT->xpm1a_cnt_blk,
+ acpi_gbl_FADT->pm1_cnt_len, "ACPI PM1a_CNT_BLK");
- if (acpi_gbl_FADT->xpm1b_cnt_blk.address && acpi_gbl_FADT->pm1_cnt_len)
- request_region(acpi_gbl_FADT->xpm1b_cnt_blk.address,
- acpi_gbl_FADT->pm1_cnt_len, "PM1b_CNT_BLK");
+ acpi_request_region(&acpi_gbl_FADT->xpm1b_cnt_blk,
+ acpi_gbl_FADT->pm1_cnt_len, "ACPI PM1b_CNT_BLK");
- if (acpi_gbl_FADT->xpm_tmr_blk.address && acpi_gbl_FADT->pm_tm_len == 4)
- request_region(acpi_gbl_FADT->xpm_tmr_blk.address, 4, "PM_TMR");
+ if (acpi_gbl_FADT->pm_tm_len == 4)
+ acpi_request_region(&acpi_gbl_FADT->xpm_tmr_blk, 4, "ACPI PM_TMR");
- if (acpi_gbl_FADT->xpm2_cnt_blk.address && acpi_gbl_FADT->pm2_cnt_len)
- request_region(acpi_gbl_FADT->xpm2_cnt_blk.address,
- acpi_gbl_FADT->pm2_cnt_len, "PM2_CNT_BLK");
+ acpi_request_region(&acpi_gbl_FADT->xpm2_cnt_blk,
+ acpi_gbl_FADT->pm2_cnt_len, "ACPI PM2_CNT_BLK");
/* Length of GPE blocks must be a non-negative multiple of 2 */
- if (acpi_gbl_FADT->xgpe0_blk.address && acpi_gbl_FADT->gpe0_blk_len &&
- !(acpi_gbl_FADT->gpe0_blk_len & 0x1))
- request_region(acpi_gbl_FADT->xgpe0_blk.address,
- acpi_gbl_FADT->gpe0_blk_len, "GPE0_BLK");
+ if (!(acpi_gbl_FADT->gpe0_blk_len & 0x1))
+ acpi_request_region(&acpi_gbl_FADT->xgpe0_blk,
+ acpi_gbl_FADT->gpe0_blk_len, "ACPI GPE0_BLK");
- if (acpi_gbl_FADT->xgpe1_blk.address && acpi_gbl_FADT->gpe1_blk_len &&
- !(acpi_gbl_FADT->gpe1_blk_len & 0x1))
- request_region(acpi_gbl_FADT->xgpe1_blk.address,
- acpi_gbl_FADT->gpe1_blk_len, "GPE1_BLK");
+ if (!(acpi_gbl_FADT->gpe1_blk_len & 0x1))
+ acpi_request_region(&acpi_gbl_FADT->xgpe1_blk,
+ acpi_gbl_FADT->gpe1_blk_len, "ACPI GPE1_BLK");
}
static int __init acpi_motherboard_init(void)
{
acpi_bus_register_driver(&acpi_motherboard_driver1);
acpi_bus_register_driver(&acpi_motherboard_driver2);
- /*
+ /*
* Guarantee motherboard IO reservation first
* This module must run after scan.c
*/
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index 1149bc18fb35..48fadade52e2 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -70,7 +70,7 @@ acpi_status acpi_ns_root_initialize(void)
union acpi_operand_object *obj_desc;
acpi_string val = NULL;
- ACPI_FUNCTION_TRACE("ns_root_initialize");
+ ACPI_FUNCTION_TRACE(ns_root_initialize);
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
@@ -98,6 +98,7 @@ acpi_status acpi_ns_root_initialize(void)
"Entering predefined entries into namespace\n"));
for (init_val = acpi_gbl_pre_defined_names; init_val->name; init_val++) {
+
/* _OSI is optional for now, will be permanent later */
if (!ACPI_STRCMP(init_val->name, "_OSI")
@@ -156,7 +157,7 @@ acpi_status acpi_ns_root_initialize(void)
#if defined (ACPI_ASL_COMPILER)
- /* save the parameter count for the i_aSL compiler */
+ /* Save the parameter count for the i_aSL compiler */
new_node->value = obj_desc->method.param_count;
#else
@@ -258,10 +259,8 @@ acpi_status acpi_ns_root_initialize(void)
/* Save a handle to "_GPE", it is always present */
if (ACPI_SUCCESS(status)) {
- status =
- acpi_ns_get_node_by_path("\\_GPE", NULL,
- ACPI_NS_NO_UPSEARCH,
- &acpi_gbl_fadt_gpe_device);
+ status = acpi_ns_get_node(NULL, "\\_GPE", ACPI_NS_NO_UPSEARCH,
+ &acpi_gbl_fadt_gpe_device);
}
return_ACPI_STATUS(status);
@@ -310,17 +309,17 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
acpi_object_type type_to_check_for;
acpi_object_type this_search_type;
u32 search_parent_flag = ACPI_NS_SEARCH_PARENT;
- u32 local_flags = flags & ~(ACPI_NS_ERROR_IF_FOUND |
- ACPI_NS_SEARCH_PARENT);
+ u32 local_flags;
- ACPI_FUNCTION_TRACE("ns_lookup");
+ ACPI_FUNCTION_TRACE(ns_lookup);
if (!return_node) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- acpi_gbl_ns_lookup_count++;
+ local_flags = flags & ~(ACPI_NS_ERROR_IF_FOUND | ACPI_NS_SEARCH_PARENT);
*return_node = ACPI_ENTRY_NOT_FOUND;
+ acpi_gbl_ns_lookup_count++;
if (!acpi_gbl_root_node) {
return_ACPI_STATUS(AE_NO_NAMESPACE);
@@ -346,14 +345,17 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
return_ACPI_STATUS(AE_AML_INTERNAL);
}
- /*
- * This node might not be a actual "scope" node (such as a
- * Device/Method, etc.) It could be a Package or other object node.
- * Backup up the tree to find the containing scope node.
- */
- while (!acpi_ns_opens_scope(prefix_node->type) &&
- prefix_node->type != ACPI_TYPE_ANY) {
- prefix_node = acpi_ns_get_parent_node(prefix_node);
+ if (!(flags & ACPI_NS_PREFIX_IS_SCOPE)) {
+ /*
+ * This node might not be a actual "scope" node (such as a
+ * Device/Method, etc.) It could be a Package or other object node.
+ * Backup up the tree to find the containing scope node.
+ */
+ while (!acpi_ns_opens_scope(prefix_node->type) &&
+ prefix_node->type != ACPI_TYPE_ANY) {
+ prefix_node =
+ acpi_ns_get_parent_node(prefix_node);
+ }
}
}
@@ -365,6 +367,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
* Begin examination of the actual pathname
*/
if (!pathname) {
+
/* A Null name_path is allowed and refers to the root */
num_segments = 0;
@@ -389,6 +392,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
* to the current scope).
*/
if (*path == (u8) AML_ROOT_PREFIX) {
+
/* Pathname is fully qualified, start from the root */
this_node = acpi_gbl_root_node;
@@ -416,6 +420,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
this_node = prefix_node;
num_carats = 0;
while (*path == (u8) AML_PARENT_PREFIX) {
+
/* Name is fully qualified, no search rules apply */
search_parent_flag = ACPI_NS_NO_UPSEARCH;
@@ -430,6 +435,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
num_carats++;
this_node = acpi_ns_get_parent_node(this_node);
if (!this_node) {
+
/* Current scope has no parent scope */
ACPI_ERROR((AE_INFO,
@@ -569,6 +575,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
&this_node);
if (ACPI_FAILURE(status)) {
if (status == AE_NOT_FOUND) {
+
/* Name not found in ACPI namespace */
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
@@ -602,10 +609,11 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
(type_to_check_for != ACPI_TYPE_LOCAL_SCOPE) &&
(this_node->type != ACPI_TYPE_ANY) &&
(this_node->type != type_to_check_for)) {
+
/* Complain about a type mismatch */
ACPI_WARNING((AE_INFO,
- "ns_lookup: Type mismatch on %4.4s (%s), searching for (%s)",
+ "NsLookup: Type mismatch on %4.4s (%s), searching for (%s)",
ACPI_CAST_PTR(char, &simple_name),
acpi_ut_get_type_name(this_node->type),
acpi_ut_get_type_name
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 9b871f38b61b..dc3f0739a46b 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -47,9 +47,6 @@
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsalloc")
-/* Local prototypes */
-static void acpi_ns_remove_reference(struct acpi_namespace_node *node);
-
/*******************************************************************************
*
* FUNCTION: acpi_ns_create_node
@@ -61,14 +58,13 @@ static void acpi_ns_remove_reference(struct acpi_namespace_node *node);
* DESCRIPTION: Create a namespace node
*
******************************************************************************/
-
struct acpi_namespace_node *acpi_ns_create_node(u32 name)
{
struct acpi_namespace_node *node;
- ACPI_FUNCTION_TRACE("ns_create_node");
+ ACPI_FUNCTION_TRACE(ns_create_node);
- node = ACPI_MEM_CALLOCATE(sizeof(struct acpi_namespace_node));
+ node = acpi_os_acquire_object(acpi_gbl_namespace_cache);
if (!node) {
return_PTR(NULL);
}
@@ -76,9 +72,7 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name)
ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_allocated++);
node->name.integer = name;
- node->reference_count = 1;
ACPI_SET_DESCRIPTOR_TYPE(node, ACPI_DESC_TYPE_NAMED);
-
return_PTR(node);
}
@@ -100,7 +94,7 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
struct acpi_namespace_node *prev_node;
struct acpi_namespace_node *next_node;
- ACPI_FUNCTION_TRACE_PTR("ns_delete_node", node);
+ ACPI_FUNCTION_TRACE_PTR(ns_delete_node, node);
parent_node = acpi_ns_get_parent_node(node);
@@ -115,6 +109,7 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
}
if (prev_node) {
+
/* Node is not first child, unlink it */
prev_node->peer = next_node->peer;
@@ -125,6 +120,7 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
/* Node is first child (has no previous peer) */
if (next_node->flags & ANOBJ_END_OF_PEER_LIST) {
+
/* No peers at all */
parent_node->child = NULL;
@@ -137,10 +133,10 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_freed++);
/*
- * Detach an object if there is one then delete the node
+ * Detach an object if there is one, then delete the node
*/
acpi_ns_detach_object(node);
- ACPI_MEM_FREE(node);
+ (void)acpi_os_release_object(acpi_gbl_namespace_cache, node);
return_VOID;
}
@@ -171,7 +167,7 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp
acpi_owner_id owner_id = 0;
struct acpi_namespace_node *child_node;
- ACPI_FUNCTION_TRACE("ns_install_node");
+ ACPI_FUNCTION_TRACE(ns_install_node);
/*
* Get the owner ID from the Walk state
@@ -216,14 +212,6 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp
acpi_ut_get_type_name(parent_node->type),
parent_node));
- /*
- * Increment the reference count(s) of all parents up to
- * the root!
- */
- while ((node = acpi_ns_get_parent_node(node)) != NULL) {
- node->reference_count++;
- }
-
return_VOID;
}
@@ -244,10 +232,9 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node)
{
struct acpi_namespace_node *child_node;
struct acpi_namespace_node *next_node;
- struct acpi_namespace_node *node;
u8 flags;
- ACPI_FUNCTION_TRACE_PTR("ns_delete_children", parent_node);
+ ACPI_FUNCTION_TRACE_PTR(ns_delete_children, parent_node);
if (!parent_node) {
return_VOID;
@@ -264,6 +251,7 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node)
* Deallocate all children at this level
*/
do {
+
/* Get the things we need */
next_node = child_node->peer;
@@ -289,26 +277,10 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node)
*/
acpi_ns_detach_object(child_node);
- /*
- * Decrement the reference count(s) of all parents up to
- * the root! (counts were incremented when the node was created)
- */
- node = child_node;
- while ((node = acpi_ns_get_parent_node(node)) != NULL) {
- node->reference_count--;
- }
-
- /* There should be only one reference remaining on this node */
-
- if (child_node->reference_count != 1) {
- ACPI_WARNING((AE_INFO,
- "Existing references (%d) on node being deleted (%p)",
- child_node->reference_count, child_node));
- }
-
/* Now we can delete the node */
- ACPI_MEM_FREE(child_node);
+ (void)acpi_os_release_object(acpi_gbl_namespace_cache,
+ child_node);
/* And move on to the next child in the list */
@@ -341,7 +313,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
struct acpi_namespace_node *child_node = NULL;
u32 level = 1;
- ACPI_FUNCTION_TRACE("ns_delete_namespace_subtree");
+ ACPI_FUNCTION_TRACE(ns_delete_namespace_subtree);
if (!parent_node) {
return_VOID;
@@ -352,11 +324,14 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
* to where we started.
*/
while (level > 0) {
+
/* Get the next node in this scope (NULL if none) */
- child_node = acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node,
- child_node);
+ child_node =
+ acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node,
+ child_node);
if (child_node) {
+
/* Found a child node - detach any attached object */
acpi_ns_detach_object(child_node);
@@ -401,55 +376,6 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
/*******************************************************************************
*
- * FUNCTION: acpi_ns_remove_reference
- *
- * PARAMETERS: Node - Named node whose reference count is to be
- * decremented
- *
- * RETURN: None.
- *
- * DESCRIPTION: Remove a Node reference. Decrements the reference count
- * of all parent Nodes up to the root. Any node along
- * the way that reaches zero references is freed.
- *
- ******************************************************************************/
-
-static void acpi_ns_remove_reference(struct acpi_namespace_node *node)
-{
- struct acpi_namespace_node *parent_node;
- struct acpi_namespace_node *this_node;
-
- ACPI_FUNCTION_ENTRY();
-
- /*
- * Decrement the reference count(s) of this node and all
- * nodes up to the root, Delete anything with zero remaining references.
- */
- this_node = node;
- while (this_node) {
- /* Prepare to move up to parent */
-
- parent_node = acpi_ns_get_parent_node(this_node);
-
- /* Decrement the reference count on this node */
-
- this_node->reference_count--;
-
- /* Delete the node if no more references */
-
- if (!this_node->reference_count) {
- /* Delete all children and delete the node */
-
- acpi_ns_delete_children(this_node);
- acpi_ns_delete_node(this_node);
- }
-
- this_node = parent_node;
- }
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ns_delete_namespace_by_owner
*
* PARAMETERS: owner_id - All nodes with this owner will be deleted
@@ -469,15 +395,15 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id)
u32 level;
struct acpi_namespace_node *parent_node;
- ACPI_FUNCTION_TRACE_U32("ns_delete_namespace_by_owner", owner_id);
+ ACPI_FUNCTION_TRACE_U32(ns_delete_namespace_by_owner, owner_id);
if (owner_id == 0) {
return_VOID;
}
+ deletion_node = NULL;
parent_node = acpi_gbl_root_node;
child_node = NULL;
- deletion_node = NULL;
level = 1;
/*
@@ -494,12 +420,14 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id)
child_node);
if (deletion_node) {
- acpi_ns_remove_reference(deletion_node);
+ acpi_ns_delete_children(deletion_node);
+ acpi_ns_delete_node(deletion_node);
deletion_node = NULL;
}
if (child_node) {
if (child_node->owner_id == owner_id) {
+
/* Found a matching child node - detach any attached object */
acpi_ns_detach_object(child_node);
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index a2807317a84b..d72df66aa965 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -75,7 +75,7 @@ void acpi_ns_print_pathname(u32 num_segments, char *pathname)
{
acpi_native_uint i;
- ACPI_FUNCTION_NAME("ns_print_pathname");
+ ACPI_FUNCTION_NAME(ns_print_pathname);
if (!(acpi_dbg_level & ACPI_LV_NAMES)
|| !(acpi_dbg_layer & ACPI_NAMESPACE)) {
@@ -123,7 +123,7 @@ void
acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component)
{
- ACPI_FUNCTION_TRACE("ns_dump_pathname");
+ ACPI_FUNCTION_TRACE(ns_dump_pathname);
/* Do this only if the requested debug level and component are enabled */
@@ -167,7 +167,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
u32 dbg_level;
u32 i;
- ACPI_FUNCTION_NAME("ns_dump_one_object");
+ ACPI_FUNCTION_NAME(ns_dump_one_object);
/* Is output enabled? */
@@ -191,6 +191,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
}
if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
+
/* Indent the object according to the level */
acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
@@ -203,6 +204,9 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
}
if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {
+ this_node->name.integer =
+ acpi_ut_repair_name(this_node->name.integer);
+
ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X",
this_node->name.integer));
}
@@ -226,6 +230,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
case ACPI_DISPLAY_SUMMARY:
if (!obj_desc) {
+
/* No attached object, we are done */
acpi_os_printf("\n");
@@ -419,6 +424,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
acpi_os_printf("O:%p", obj_desc);
if (!obj_desc) {
+
/* No attached object, we are done */
acpi_os_printf("\n");
@@ -669,7 +675,7 @@ void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
{
acpi_handle search_handle = search_base;
- ACPI_FUNCTION_TRACE("ns_dump_tables");
+ ACPI_FUNCTION_TRACE(ns_dump_tables);
if (!acpi_gbl_root_node) {
/*
@@ -682,6 +688,7 @@ void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
}
if (ACPI_NS_ALL == search_base) {
+
/* Entire namespace */
search_handle = acpi_gbl_root_node;
diff --git a/drivers/acpi/namespace/nsdumpdv.c b/drivers/acpi/namespace/nsdumpdv.c
index aff899a935e3..c6bf5d30fca3 100644
--- a/drivers/acpi/namespace/nsdumpdv.c
+++ b/drivers/acpi/namespace/nsdumpdv.c
@@ -74,7 +74,7 @@ acpi_ns_dump_one_device(acpi_handle obj_handle,
acpi_status status;
u32 i;
- ACPI_FUNCTION_NAME("ns_dump_one_device");
+ ACPI_FUNCTION_NAME(ns_dump_one_device);
status =
acpi_ns_dump_one_object(obj_handle, level, context, return_value);
@@ -92,7 +92,7 @@ acpi_ns_dump_one_device(acpi_handle obj_handle,
info->hardware_id.value,
ACPI_FORMAT_UINT64(info->address),
info->current_status));
- ACPI_MEM_FREE(info);
+ ACPI_FREE(info);
}
return (status);
@@ -115,7 +115,7 @@ void acpi_ns_dump_root_devices(void)
acpi_handle sys_bus_handle;
acpi_status status;
- ACPI_FUNCTION_NAME("ns_dump_root_devices");
+ ACPI_FUNCTION_NAME(ns_dump_root_devices);
/* Only dump the table if tracing is enabled */
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 19d7b94d40c3..4b0a4a8c9843 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -1,7 +1,6 @@
/*******************************************************************************
*
- * Module Name: nseval - Object evaluation interfaces -- includes control
- * method lookup and execution.
+ * Module Name: nseval - Object evaluation, includes control method execution
*
******************************************************************************/
@@ -50,196 +49,14 @@
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nseval")
-/* Local prototypes */
-static acpi_status
-acpi_ns_execute_control_method(struct acpi_parameter_info *info);
-
-static acpi_status acpi_ns_get_object_value(struct acpi_parameter_info *info);
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ns_evaluate_relative
- *
- * PARAMETERS: Pathname - Name of method to execute, If NULL, the
- * handle is the object to execute
- * Info - Method info block, contains:
- * return_object - Where to put method's return value (if
- * any). If NULL, no value is returned.
- * Params - List of parameters to pass to the method,
- * terminated by NULL. Params itself may be
- * NULL if no parameters are being passed.
- *
- * RETURN: Status
- *
- * DESCRIPTION: Evaluate the object or find and execute the requested method
- *
- * MUTEX: Locks Namespace
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ns_evaluate_relative(char *pathname, struct acpi_parameter_info *info)
-{
- acpi_status status;
- struct acpi_namespace_node *node = NULL;
- union acpi_generic_state *scope_info;
- char *internal_path = NULL;
-
- ACPI_FUNCTION_TRACE("ns_evaluate_relative");
-
- /*
- * Must have a valid object handle
- */
- if (!info || !info->node) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /* Build an internal name string for the method */
-
- status = acpi_ns_internalize_name(pathname, &internal_path);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- scope_info = acpi_ut_create_generic_state();
- if (!scope_info) {
- goto cleanup1;
- }
-
- /* Get the prefix handle and Node */
-
- status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE(status)) {
- goto cleanup;
- }
-
- info->node = acpi_ns_map_handle_to_node(info->node);
- if (!info->node) {
- (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
- status = AE_BAD_PARAMETER;
- goto cleanup;
- }
-
- /* Lookup the name in the namespace */
-
- scope_info->scope.node = info->node;
- status = acpi_ns_lookup(scope_info, internal_path, ACPI_TYPE_ANY,
- ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, NULL,
- &node);
-
- (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "Object [%s] not found [%s]\n",
- pathname, acpi_format_exception(status)));
- goto cleanup;
- }
-
- /*
- * Now that we have a handle to the object, we can attempt to evaluate it.
- */
- ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n",
- pathname, node, acpi_ns_get_attached_object(node)));
-
- info->node = node;
- status = acpi_ns_evaluate_by_handle(info);
-
- ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
- "*** Completed eval of object %s ***\n", pathname));
-
- cleanup:
- acpi_ut_delete_generic_state(scope_info);
-
- cleanup1:
- ACPI_MEM_FREE(internal_path);
- return_ACPI_STATUS(status);
-}
-
/*******************************************************************************
*
- * FUNCTION: acpi_ns_evaluate_by_name
+ * FUNCTION: acpi_ns_evaluate
*
- * PARAMETERS: Pathname - Fully qualified pathname to the object
- * Info - Method info block, contains:
- * return_object - Where to put method's return value (if
- * any). If NULL, no value is returned.
- * Params - List of parameters to pass to the method,
- * terminated by NULL. Params itself may be
- * NULL if no parameters are being passed.
- *
- * RETURN: Status
- *
- * DESCRIPTION: Evaluate the object or rind and execute the requested method
- * passing the given parameters
- *
- * MUTEX: Locks Namespace
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ns_evaluate_by_name(char *pathname, struct acpi_parameter_info *info)
-{
- acpi_status status;
- char *internal_path = NULL;
-
- ACPI_FUNCTION_TRACE("ns_evaluate_by_name");
-
- /* Build an internal name string for the method */
-
- status = acpi_ns_internalize_name(pathname, &internal_path);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE(status)) {
- goto cleanup;
- }
-
- /* Lookup the name in the namespace */
-
- status = acpi_ns_lookup(NULL, internal_path, ACPI_TYPE_ANY,
- ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, NULL,
- &info->node);
-
- (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
- "Object at [%s] was not found, status=%.4X\n",
- pathname, status));
- goto cleanup;
- }
-
- /*
- * Now that we have a handle to the object, we can attempt to evaluate it.
- */
- ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n",
- pathname, info->node,
- acpi_ns_get_attached_object(info->node)));
-
- status = acpi_ns_evaluate_by_handle(info);
-
- ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
- "*** Completed eval of object %s ***\n", pathname));
-
- cleanup:
-
- /* Cleanup */
-
- if (internal_path) {
- ACPI_MEM_FREE(internal_path);
- }
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ns_evaluate_by_handle
- *
- * PARAMETERS: Info - Method info block, contains:
- * Node - Method/Object Node to execute
+ * PARAMETERS: Info - Evaluation info block, contains:
+ * prefix_node - Prefix or Method/Object Node to execute
+ * Pathname - Name of method to execute, If NULL, the
+ * Node is the object to execute
* Parameters - List of parameters to pass to the method,
* terminated by NULL. Params itself may be
* NULL if no parameters are being passed.
@@ -248,29 +65,21 @@ acpi_ns_evaluate_by_name(char *pathname, struct acpi_parameter_info *info)
* parameter_type - Type of Parameter list
* return_object - Where to put method's return value (if
* any). If NULL, no value is returned.
+ * Flags - ACPI_IGNORE_RETURN_VALUE to delete return
*
* RETURN: Status
*
- * DESCRIPTION: Evaluate object or execute the requested method passing the
- * given parameters
+ * DESCRIPTION: Execute a control method or return the current value of an
+ * ACPI namespace object.
*
- * MUTEX: Locks Namespace
+ * MUTEX: Locks interpreter
*
******************************************************************************/
-
-acpi_status acpi_ns_evaluate_by_handle(struct acpi_parameter_info *info)
+acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ns_evaluate_by_handle");
-
- /* Check if namespace has been initialized */
-
- if (!acpi_gbl_root_node) {
- return_ACPI_STATUS(AE_NO_NAMESPACE);
- }
-
- /* Parameter Validation */
+ ACPI_FUNCTION_TRACE(ns_evaluate);
if (!info) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -280,202 +89,120 @@ acpi_status acpi_ns_evaluate_by_handle(struct acpi_parameter_info *info)
info->return_object = NULL;
- /* Get the prefix handle and Node */
-
- status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ /*
+ * Get the actual namespace node for the target object. Handles these cases:
+ *
+ * 1) Null node, Pathname (absolute path)
+ * 2) Node, Pathname (path relative to Node)
+ * 3) Node, Null Pathname
+ */
+ status = acpi_ns_get_node(info->prefix_node, info->pathname,
+ ACPI_NS_NO_UPSEARCH, &info->resolved_node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- info->node = acpi_ns_map_handle_to_node(info->node);
- if (!info->node) {
- (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
/*
* For a method alias, we must grab the actual method node so that proper
* scoping context will be established before execution.
*/
- if (acpi_ns_get_type(info->node) == ACPI_TYPE_LOCAL_METHOD_ALIAS) {
- info->node =
+ if (acpi_ns_get_type(info->resolved_node) ==
+ ACPI_TYPE_LOCAL_METHOD_ALIAS) {
+ info->resolved_node =
ACPI_CAST_PTR(struct acpi_namespace_node,
- info->node->object);
+ info->resolved_node->object);
}
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n", info->pathname,
+ info->resolved_node,
+ acpi_ns_get_attached_object(info->resolved_node)));
+
/*
* Two major cases here:
- * 1) The object is an actual control method -- execute it.
- * 2) The object is not a method -- just return it's current value
*
- * In both cases, the namespace is unlocked by the acpi_ns* procedure
+ * 1) The object is a control method -- execute it
+ * 2) The object is not a method -- just return it's current value
*/
- if (acpi_ns_get_type(info->node) == ACPI_TYPE_METHOD) {
- /*
- * Case 1) We have an actual control method to execute
- */
- status = acpi_ns_execute_control_method(info);
- } else {
+ if (acpi_ns_get_type(info->resolved_node) == ACPI_TYPE_METHOD) {
/*
- * Case 2) Object is NOT a method, just return its current value
+ * 1) Object is a control method - execute it
*/
- status = acpi_ns_get_object_value(info);
- }
-
- /*
- * Check if there is a return value on the stack that must be dealt with
- */
- if (status == AE_CTRL_RETURN_VALUE) {
- /* Map AE_CTRL_RETURN_VALUE to AE_OK, we are done with it */
-
- status = AE_OK;
- }
-
- /*
- * Namespace was unlocked by the handling acpi_ns* function, so we
- * just return
- */
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ns_execute_control_method
- *
- * PARAMETERS: Info - Method info block, contains:
- * Node - Method Node to execute
- * obj_desc - Method object
- * Parameters - List of parameters to pass to the method,
- * terminated by NULL. Params itself may be
- * NULL if no parameters are being passed.
- * return_object - Where to put method's return value (if
- * any). If NULL, no value is returned.
- * parameter_type - Type of Parameter list
- * return_object - Where to put method's return value (if
- * any). If NULL, no value is returned.
- *
- * RETURN: Status
- *
- * DESCRIPTION: Execute the requested method passing the given parameters
- *
- * MUTEX: Assumes namespace is locked
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ns_execute_control_method(struct acpi_parameter_info *info)
-{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE("ns_execute_control_method");
-
- /* Verify that there is a method associated with this object */
-
- info->obj_desc = acpi_ns_get_attached_object(info->node);
- if (!info->obj_desc) {
- ACPI_ERROR((AE_INFO, "No attached method object"));
- (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
- return_ACPI_STATUS(AE_NULL_OBJECT);
- }
-
- ACPI_DUMP_PATHNAME(info->node, "Execute Method:",
- ACPI_LV_INFO, _COMPONENT);
-
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Method at AML address %p Length %X\n",
- info->obj_desc->method.aml_start + 1,
- info->obj_desc->method.aml_length - 1));
-
- /*
- * Unlock the namespace before execution. This allows namespace access
- * via the external Acpi* interfaces while a method is being executed.
- * However, any namespace deletion must acquire both the namespace and
- * interpreter locks to ensure that no thread is using the portion of the
- * namespace that is being deleted.
- */
- status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
+ /* Verify that there is a method object associated with this node */
- /*
- * Execute the method via the interpreter. The interpreter is locked
- * here before calling into the AML parser
- */
- status = acpi_ex_enter_interpreter();
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
+ info->obj_desc =
+ acpi_ns_get_attached_object(info->resolved_node);
+ if (!info->obj_desc) {
+ ACPI_ERROR((AE_INFO,
+ "Control method has no attached sub-object"));
+ return_ACPI_STATUS(AE_NULL_OBJECT);
+ }
- status = acpi_ps_execute_method(info);
- acpi_ex_exit_interpreter();
+ ACPI_DUMP_PATHNAME(info->resolved_node, "Execute Method:",
+ ACPI_LV_INFO, _COMPONENT);
- return_ACPI_STATUS(status);
-}
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Method at AML address %p Length %X\n",
+ info->obj_desc->method.aml_start + 1,
+ info->obj_desc->method.aml_length - 1));
-/*******************************************************************************
- *
- * FUNCTION: acpi_ns_get_object_value
- *
- * PARAMETERS: Info - Method info block, contains:
- * Node - Object's NS node
- * return_object - Where to put object value (if
- * any). If NULL, no value is returned.
- *
- * RETURN: Status
- *
- * DESCRIPTION: Return the current value of the object
- *
- * MUTEX: Assumes namespace is locked, leaves namespace unlocked
- *
- ******************************************************************************/
+ /*
+ * Any namespace deletion must acquire both the namespace and
+ * interpreter locks to ensure that no thread is using the portion of
+ * the namespace that is being deleted.
+ *
+ * Execute the method via the interpreter. The interpreter is locked
+ * here before calling into the AML parser
+ */
+ status = acpi_ex_enter_interpreter();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
-static acpi_status acpi_ns_get_object_value(struct acpi_parameter_info *info)
-{
- acpi_status status = AE_OK;
- struct acpi_namespace_node *resolved_node = info->node;
+ status = acpi_ps_execute_method(info);
+ acpi_ex_exit_interpreter();
+ } else {
+ /*
+ * 2) Object is not a method, return its current value
+ */
- ACPI_FUNCTION_TRACE("ns_get_object_value");
+ /*
+ * Objects require additional resolution steps (e.g., the Node may be
+ * a field that must be read, etc.) -- we can't just grab the object
+ * out of the node.
+ *
+ * Use resolve_node_to_value() to get the associated value.
+ *
+ * NOTE: we can get away with passing in NULL for a walk state because
+ * resolved_node is guaranteed to not be a reference to either a method
+ * local or a method argument (because this interface is never called
+ * from a running method.)
+ *
+ * Even though we do not directly invoke the interpreter for object
+ * resolution, we must lock it because we could access an opregion.
+ * The opregion access code assumes that the interpreter is locked.
+ */
+ status = acpi_ex_enter_interpreter();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
- /*
- * Objects require additional resolution steps (e.g., the Node may be a
- * field that must be read, etc.) -- we can't just grab the object out of
- * the node.
- */
+ /* Function has a strange interface */
- /*
- * Use resolve_node_to_value() to get the associated value. This call always
- * deletes obj_desc (allocated above).
- *
- * NOTE: we can get away with passing in NULL for a walk state because
- * obj_desc is guaranteed to not be a reference to either a method local or
- * a method argument (because this interface can only be called from the
- * acpi_evaluate external interface, never called from a running method.)
- *
- * Even though we do not directly invoke the interpreter for this, we must
- * enter it because we could access an opregion. The opregion access code
- * assumes that the interpreter is locked.
- *
- * We must release the namespace lock before entering the intepreter.
- */
- status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
+ status =
+ acpi_ex_resolve_node_to_value(&info->resolved_node, NULL);
+ acpi_ex_exit_interpreter();
- status = acpi_ex_enter_interpreter();
- if (ACPI_SUCCESS(status)) {
- status = acpi_ex_resolve_node_to_value(&resolved_node, NULL);
/*
* If acpi_ex_resolve_node_to_value() succeeded, the return value was placed
* in resolved_node.
*/
- acpi_ex_exit_interpreter();
-
if (ACPI_SUCCESS(status)) {
status = AE_CTRL_RETURN_VALUE;
- info->return_object = ACPI_CAST_PTR
- (union acpi_operand_object, resolved_node);
+ info->return_object =
+ ACPI_CAST_PTR(union acpi_operand_object,
+ info->resolved_node);
+
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Returning object %p [%s]\n",
info->return_object,
@@ -484,7 +211,30 @@ static acpi_status acpi_ns_get_object_value(struct acpi_parameter_info *info)
}
}
- /* Namespace is unlocked */
+ /*
+ * Check if there is a return value that must be dealt with
+ */
+ if (status == AE_CTRL_RETURN_VALUE) {
+
+ /* If caller does not want the return value, delete it */
+ if (info->flags & ACPI_IGNORE_RETURN_VALUE) {
+ acpi_ut_remove_reference(info->return_object);
+ info->return_object = NULL;
+ }
+
+ /* Map AE_CTRL_RETURN_VALUE to AE_OK, we are done with it */
+
+ status = AE_OK;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
+ "*** Completed evaluation of object %s ***\n",
+ info->pathname));
+
+ /*
+ * Namespace was unlocked by the handling acpi_ns* function, so we
+ * just return
+ */
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c
index 9f929e479fd8..aec8488c0019 100644
--- a/drivers/acpi/namespace/nsinit.c
+++ b/drivers/acpi/namespace/nsinit.c
@@ -58,6 +58,10 @@ static acpi_status
acpi_ns_init_one_device(acpi_handle obj_handle,
u32 nesting_level, void *context, void **return_value);
+static acpi_status
+acpi_ns_find_ini_methods(acpi_handle obj_handle,
+ u32 nesting_level, void *context, void **return_value);
+
/*******************************************************************************
*
* FUNCTION: acpi_ns_initialize_objects
@@ -76,7 +80,7 @@ acpi_status acpi_ns_initialize_objects(void)
acpi_status status;
struct acpi_init_walk_info info;
- ACPI_FUNCTION_TRACE("ns_initialize_objects");
+ ACPI_FUNCTION_TRACE(ns_initialize_objects);
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"**** Starting initialization of namespace objects ****\n"));
@@ -93,7 +97,7 @@ acpi_status acpi_ns_initialize_objects(void)
ACPI_UINT32_MAX, acpi_ns_init_one_object,
&info, NULL);
if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "During walk_namespace"));
+ ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
@@ -133,7 +137,7 @@ acpi_status acpi_ns_initialize_devices(void)
acpi_status status;
struct acpi_device_walk_info info;
- ACPI_FUNCTION_TRACE("ns_initialize_devices");
+ ACPI_FUNCTION_TRACE(ns_initialize_devices);
/* Init counters */
@@ -142,30 +146,46 @@ acpi_status acpi_ns_initialize_devices(void)
info.num_INI = 0;
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
- "Executing all Device _STA and_INI methods:"));
+ "Initializing Device/Processor/Thermal objects by executing _INI methods:"));
+
+ /* Tree analysis: find all subtrees that contain _INI methods */
- status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
+ ACPI_UINT32_MAX, FALSE,
+ acpi_ns_find_ini_methods, &info, NULL);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ goto error_exit;
}
- /* Walk namespace for all objects */
+ /* Allocate the evaluation information block */
+
+ info.evaluate_info =
+ ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info.evaluate_info) {
+ status = AE_NO_MEMORY;
+ goto error_exit;
+ }
+
+ /* Walk namespace to execute all _INIs on present devices */
status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX, TRUE,
+ ACPI_UINT32_MAX, FALSE,
acpi_ns_init_one_device, &info, NULL);
- (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-
+ ACPI_FREE(info.evaluate_info);
if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "During walk_namespace"));
+ goto error_exit;
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
- "\n%hd Devices found - executed %hd _STA, %hd _INI methods\n",
- info.device_count, info.num_STA, info.num_INI));
+ "\nExecuted %hd _INI methods requiring %hd _STA executions (examined %hd objects)\n",
+ info.num_INI, info.num_STA, info.device_count));
return_ACPI_STATUS(status);
+
+ error_exit:
+ ACPI_EXCEPTION((AE_INFO, status, "During device initialization"));
+ return_ACPI_STATUS(status);
}
/*******************************************************************************
@@ -200,7 +220,7 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
(struct acpi_namespace_node *)obj_handle;
union acpi_operand_object *obj_desc;
- ACPI_FUNCTION_NAME("ns_init_one_object");
+ ACPI_FUNCTION_NAME(ns_init_one_object);
info->object_count++;
@@ -311,6 +331,72 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
/*******************************************************************************
*
+ * FUNCTION: acpi_ns_find_ini_methods
+ *
+ * PARAMETERS: acpi_walk_callback
+ *
+ * RETURN: acpi_status
+ *
+ * DESCRIPTION: Called during namespace walk. Finds objects named _INI under
+ * device/processor/thermal objects, and marks the entire subtree
+ * with a SUBTREE_HAS_INI flag. This flag is used during the
+ * subsequent device initialization walk to avoid entire subtrees
+ * that do not contain an _INI.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_find_ini_methods(acpi_handle obj_handle,
+ u32 nesting_level, void *context, void **return_value)
+{
+ struct acpi_device_walk_info *info =
+ ACPI_CAST_PTR(struct acpi_device_walk_info, context);
+ struct acpi_namespace_node *node;
+ struct acpi_namespace_node *parent_node;
+
+ /* Keep count of device/processor/thermal objects */
+
+ node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
+ if ((node->type == ACPI_TYPE_DEVICE) ||
+ (node->type == ACPI_TYPE_PROCESSOR) ||
+ (node->type == ACPI_TYPE_THERMAL)) {
+ info->device_count++;
+ return (AE_OK);
+ }
+
+ /* We are only looking for methods named _INI */
+
+ if (!ACPI_COMPARE_NAME(node->name.ascii, METHOD_NAME__INI)) {
+ return (AE_OK);
+ }
+
+ /*
+ * The only _INI methods that we care about are those that are
+ * present under Device, Processor, and Thermal objects.
+ */
+ parent_node = acpi_ns_get_parent_node(node);
+ switch (parent_node->type) {
+ case ACPI_TYPE_DEVICE:
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_THERMAL:
+
+ /* Mark parent and bubble up the INI present flag to the root */
+
+ while (parent_node) {
+ parent_node->flags |= ANOBJ_SUBTREE_HAS_INI;
+ parent_node = acpi_ns_get_parent_node(parent_node);
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ns_init_one_device
*
* PARAMETERS: acpi_walk_callback
@@ -327,119 +413,165 @@ static acpi_status
acpi_ns_init_one_device(acpi_handle obj_handle,
u32 nesting_level, void *context, void **return_value)
{
- struct acpi_device_walk_info *info =
- (struct acpi_device_walk_info *)context;
- struct acpi_parameter_info pinfo;
+ struct acpi_device_walk_info *walk_info =
+ ACPI_CAST_PTR(struct acpi_device_walk_info, context);
+ struct acpi_evaluate_info *info = walk_info->evaluate_info;
u32 flags;
acpi_status status;
- struct acpi_namespace_node *ini_node;
struct acpi_namespace_node *device_node;
- ACPI_FUNCTION_TRACE("ns_init_one_device");
+ ACPI_FUNCTION_TRACE(ns_init_one_device);
- device_node = acpi_ns_map_handle_to_node(obj_handle);
- if (!device_node) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
+ /* We are interested in Devices, Processors and thermal_zones only */
- /*
- * We will run _STA/_INI on Devices, Processors and thermal_zones only
- */
+ device_node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
if ((device_node->type != ACPI_TYPE_DEVICE) &&
(device_node->type != ACPI_TYPE_PROCESSOR) &&
(device_node->type != ACPI_TYPE_THERMAL)) {
return_ACPI_STATUS(AE_OK);
}
- if ((acpi_dbg_level <= ACPI_LV_ALL_EXCEPTIONS) &&
- (!(acpi_dbg_level & ACPI_LV_INFO))) {
- ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
- }
-
- info->device_count++;
-
/*
- * Check if the _INI method exists for this device -
- * if _INI does not exist, there is no need to run _STA
- * No _INI means device requires no initialization
+ * Because of an earlier namespace analysis, all subtrees that contain an
+ * _INI method are tagged.
+ *
+ * If this device subtree does not contain any _INI methods, we
+ * can exit now and stop traversing this entire subtree.
*/
- status = acpi_ns_search_node(*ACPI_CAST_PTR(u32, METHOD_NAME__INI),
- device_node, ACPI_TYPE_METHOD, &ini_node);
- if (ACPI_FAILURE(status)) {
- /* No _INI method found - move on to next device */
-
- return_ACPI_STATUS(AE_OK);
+ if (!(device_node->flags & ANOBJ_SUBTREE_HAS_INI)) {
+ return_ACPI_STATUS(AE_CTRL_DEPTH);
}
/*
- * Run _STA to determine if we can run _INI on the device -
- * the device must be present before _INI can be run.
- * However, _STA is not required - assume device present if no _STA
+ * Run _STA to determine if this device is present and functioning. We
+ * must know this information for two important reasons (from ACPI spec):
+ *
+ * 1) We can only run _INI if the device is present.
+ * 2) We must abort the device tree walk on this subtree if the device is
+ * not present and is not functional (we will not examine the children)
+ *
+ * The _STA method is not required to be present under the device, we
+ * assume the device is present if _STA does not exist.
*/
- ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_METHOD,
- device_node,
- METHOD_NAME__STA));
-
- pinfo.node = device_node;
- pinfo.parameters = NULL;
- pinfo.parameter_type = ACPI_PARAM_ARGS;
+ ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
+ (ACPI_TYPE_METHOD, device_node, METHOD_NAME__STA));
- status = acpi_ut_execute_STA(pinfo.node, &flags);
+ status = acpi_ut_execute_STA(device_node, &flags);
if (ACPI_FAILURE(status)) {
+
/* Ignore error and move on to next device */
return_ACPI_STATUS(AE_OK);
}
+ /*
+ * Flags == -1 means that _STA was not found. In this case, we assume that
+ * the device is both present and functional.
+ *
+ * From the ACPI spec, description of _STA:
+ *
+ * "If a device object (including the processor object) does not have an
+ * _STA object, then OSPM assumes that all of the above bits are set (in
+ * other words, the device is present, ..., and functioning)"
+ */
if (flags != ACPI_UINT32_MAX) {
- info->num_STA++;
+ walk_info->num_STA++;
}
+ /*
+ * Examine the PRESENT and FUNCTIONING status bits
+ *
+ * Note: ACPI spec does not seem to specify behavior for the present but
+ * not functioning case, so we assume functioning if present.
+ */
if (!(flags & ACPI_STA_DEVICE_PRESENT)) {
- /* Don't look at children of a not present device */
- return_ACPI_STATUS(AE_CTRL_DEPTH);
+ /* Device is not present, we must examine the Functioning bit */
+
+ if (flags & ACPI_STA_DEVICE_FUNCTIONING) {
+ /*
+ * Device is not present but is "functioning". In this case,
+ * we will not run _INI, but we continue to examine the children
+ * of this device.
+ *
+ * From the ACPI spec, description of _STA: (Note - no mention
+ * of whether to run _INI or not on the device in question)
+ *
+ * "_STA may return bit 0 clear (not present) with bit 3 set
+ * (device is functional). This case is used to indicate a valid
+ * device for which no device driver should be loaded (for example,
+ * a bridge device.) Children of this device may be present and
+ * valid. OSPM should continue enumeration below a device whose
+ * _STA returns this bit combination"
+ */
+ return_ACPI_STATUS(AE_OK);
+ } else {
+ /*
+ * Device is not present and is not functioning. We must abort the
+ * walk of this subtree immediately -- don't look at the children
+ * of such a device.
+ *
+ * From the ACPI spec, description of _INI:
+ *
+ * "If the _STA method indicates that the device is not present,
+ * OSPM will not run the _INI and will not examine the children
+ * of the device for _INI methods"
+ */
+ return_ACPI_STATUS(AE_CTRL_DEPTH);
+ }
}
/*
- * The device is present and _INI exists. Run the _INI method.
- * (We already have the _INI node from above)
+ * The device is present or is assumed present if no _STA exists.
+ * Run the _INI if it exists (not required to exist)
+ *
+ * Note: We know there is an _INI within this subtree, but it may not be
+ * under this particular device, it may be lower in the branch.
*/
- ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_METHOD,
- pinfo.node,
- METHOD_NAME__INI));
+ ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
+ (ACPI_TYPE_METHOD, device_node, METHOD_NAME__INI));
+
+ info->prefix_node = device_node;
+ info->pathname = METHOD_NAME__INI;
+ info->parameters = NULL;
+ info->parameter_type = ACPI_PARAM_ARGS;
+ info->flags = ACPI_IGNORE_RETURN_VALUE;
+
+ status = acpi_ns_evaluate(info);
+ if (ACPI_SUCCESS(status)) {
+ walk_info->num_INI++;
+
+ if ((acpi_dbg_level <= ACPI_LV_ALL_EXCEPTIONS) &&
+ (!(acpi_dbg_level & ACPI_LV_INFO))) {
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
+ }
+ }
+#ifdef ACPI_DEBUG_OUTPUT
+ else if (status != AE_NOT_FOUND) {
- pinfo.node = ini_node;
- status = acpi_ns_evaluate_by_handle(&pinfo);
- if (ACPI_FAILURE(status)) {
/* Ignore error and move on to next device */
-#ifdef ACPI_DEBUG_OUTPUT
- char *scope_name = acpi_ns_get_external_pathname(ini_node);
-
- ACPI_WARNING((AE_INFO, "%s._INI failed: %s",
- scope_name, acpi_format_exception(status)));
+ char *scope_name =
+ acpi_ns_get_external_pathname(info->resolved_node);
- ACPI_MEM_FREE(scope_name);
+ ACPI_EXCEPTION((AE_INFO, status, "during %s._INI execution",
+ scope_name));
+ ACPI_FREE(scope_name);
+ }
#endif
- } else {
- /* Delete any return object (especially if implicit_return is enabled) */
- if (pinfo.return_object) {
- acpi_ut_remove_reference(pinfo.return_object);
- }
+ /* Ignore errors from above */
- /* Count of successful INIs */
-
- info->num_INI++;
- }
+ status = AE_OK;
+ /*
+ * The _INI method has been run if present; call the Global Initialization
+ * Handler for this device.
+ */
if (acpi_gbl_init_handler) {
- /* External initialization handler is present, call it */
-
status =
- acpi_gbl_init_handler(pinfo.node, ACPI_INIT_DEVICE_INI);
+ acpi_gbl_init_handler(device_node, ACPI_INIT_DEVICE_INI);
}
- return_ACPI_STATUS(AE_OK);
+ return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c
index 4e0b0524c188..fe75d888e183 100644
--- a/drivers/acpi/namespace/nsload.c
+++ b/drivers/acpi/namespace/nsload.c
@@ -77,13 +77,14 @@ acpi_ns_load_table(struct acpi_table_desc *table_desc,
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ns_load_table");
+ ACPI_FUNCTION_TRACE(ns_load_table);
/* Check if table contains valid AML (must be DSDT, PSDT, SSDT, etc.) */
if (!
(acpi_gbl_table_data[table_desc->type].
flags & ACPI_TABLE_EXECUTABLE)) {
+
/* Just ignore this table */
return_ACPI_STATUS(AE_OK);
@@ -168,7 +169,7 @@ static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type)
acpi_status status;
struct acpi_table_desc *table_desc;
- ACPI_FUNCTION_TRACE("ns_load_table_by_type");
+ ACPI_FUNCTION_TRACE(ns_load_table_by_type);
status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
if (ACPI_FAILURE(status)) {
@@ -180,11 +181,11 @@ static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type)
* DSDT (one), SSDT/PSDT (multiple)
*/
switch (table_type) {
- case ACPI_TABLE_DSDT:
+ case ACPI_TABLE_ID_DSDT:
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Namespace load: DSDT\n"));
- table_desc = acpi_gbl_table_lists[ACPI_TABLE_DSDT].next;
+ table_desc = acpi_gbl_table_lists[ACPI_TABLE_ID_DSDT].next;
/* If table already loaded into namespace, just return */
@@ -200,8 +201,8 @@ static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type)
}
break;
- case ACPI_TABLE_SSDT:
- case ACPI_TABLE_PSDT:
+ case ACPI_TABLE_ID_SSDT:
+ case ACPI_TABLE_ID_PSDT:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Namespace load: %d SSDT or PSDTs\n",
@@ -258,7 +259,7 @@ acpi_status acpi_ns_load_namespace(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_load_name_space");
+ ACPI_FUNCTION_TRACE(acpi_load_name_space);
/* There must be at least a DSDT installed */
@@ -271,15 +272,15 @@ acpi_status acpi_ns_load_namespace(void)
* Load the namespace. The DSDT is required,
* but the SSDT and PSDT tables are optional.
*/
- status = acpi_ns_load_table_by_type(ACPI_TABLE_DSDT);
+ status = acpi_ns_load_table_by_type(ACPI_TABLE_ID_DSDT);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Ignore exceptions from these */
- (void)acpi_ns_load_table_by_type(ACPI_TABLE_SSDT);
- (void)acpi_ns_load_table_by_type(ACPI_TABLE_PSDT);
+ (void)acpi_ns_load_table_by_type(ACPI_TABLE_ID_SSDT);
+ (void)acpi_ns_load_table_by_type(ACPI_TABLE_ID_PSDT);
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
"ACPI Namespace successfully loaded at root %p\n",
@@ -314,7 +315,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle)
acpi_handle dummy;
u32 level;
- ACPI_FUNCTION_TRACE("ns_delete_subtree");
+ ACPI_FUNCTION_TRACE(ns_delete_subtree);
parent_handle = start_handle;
child_handle = NULL;
@@ -325,6 +326,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle)
* to where we started.
*/
while (level > 0) {
+
/* Attempt to get the next object in this scope */
status = acpi_get_next_object(ACPI_TYPE_ANY, parent_handle,
@@ -335,6 +337,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle)
/* Did we get a new object? */
if (ACPI_SUCCESS(status)) {
+
/* Check if this object has any children */
if (ACPI_SUCCESS
@@ -392,7 +395,7 @@ acpi_status acpi_ns_unload_namespace(acpi_handle handle)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ns_unload_name_space");
+ ACPI_FUNCTION_TRACE(ns_unload_name_space);
/* Parameter validation */
diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c
index 639f653b4b6b..97b8332c9746 100644
--- a/drivers/acpi/namespace/nsnames.c
+++ b/drivers/acpi/namespace/nsnames.c
@@ -48,11 +48,6 @@
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsnames")
-/* Local prototypes */
-static void
-acpi_ns_build_external_path(struct acpi_namespace_node *node,
- acpi_size size, char *name_buffer);
-
/*******************************************************************************
*
* FUNCTION: acpi_ns_build_external_path
@@ -67,8 +62,7 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
* DESCRIPTION: Generate a full pathaname
*
******************************************************************************/
-
-static void
+void
acpi_ns_build_external_path(struct acpi_namespace_node *node,
acpi_size size, char *name_buffer)
{
@@ -138,7 +132,7 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
char *name_buffer;
acpi_size size;
- ACPI_FUNCTION_TRACE_PTR("ns_get_external_pathname", node);
+ ACPI_FUNCTION_TRACE_PTR(ns_get_external_pathname, node);
/* Calculate required buffer size based on depth below root */
@@ -146,7 +140,7 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
/* Allocate a buffer to be returned to caller */
- name_buffer = ACPI_MEM_CALLOCATE(size);
+ name_buffer = ACPI_ALLOCATE_ZEROED(size);
if (!name_buffer) {
ACPI_ERROR((AE_INFO, "Allocation failure"));
return_PTR(NULL);
@@ -219,7 +213,7 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle,
struct acpi_namespace_node *node;
acpi_size required_size;
- ACPI_FUNCTION_TRACE_PTR("ns_handle_to_pathname", target_handle);
+ ACPI_FUNCTION_TRACE_PTR(ns_handle_to_pathname, target_handle);
node = acpi_ns_map_handle_to_node(target_handle);
if (!node) {
diff --git a/drivers/acpi/namespace/nsobject.c b/drivers/acpi/namespace/nsobject.c
index 10ae6292bca4..aabe8794b908 100644
--- a/drivers/acpi/namespace/nsobject.c
+++ b/drivers/acpi/namespace/nsobject.c
@@ -76,19 +76,21 @@ acpi_ns_attach_object(struct acpi_namespace_node *node,
union acpi_operand_object *last_obj_desc;
acpi_object_type object_type = ACPI_TYPE_ANY;
- ACPI_FUNCTION_TRACE("ns_attach_object");
+ ACPI_FUNCTION_TRACE(ns_attach_object);
/*
* Parameter validation
*/
if (!node) {
+
/* Invalid handle */
- ACPI_ERROR((AE_INFO, "Null named_obj handle"));
+ ACPI_ERROR((AE_INFO, "Null NamedObj handle"));
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
if (!object && (ACPI_TYPE_ANY != type)) {
+
/* Null object */
ACPI_ERROR((AE_INFO,
@@ -97,6 +99,7 @@ acpi_ns_attach_object(struct acpi_namespace_node *node,
}
if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {
+
/* Not a name handle */
ACPI_ERROR((AE_INFO, "Invalid handle %p [%s]",
@@ -108,7 +111,7 @@ acpi_ns_attach_object(struct acpi_namespace_node *node,
if (node->object == object) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Obj %p already installed in name_obj %p\n",
+ "Obj %p already installed in NameObj %p\n",
object, node));
return_ACPI_STATUS(AE_OK);
@@ -201,7 +204,7 @@ void acpi_ns_detach_object(struct acpi_namespace_node *node)
{
union acpi_operand_object *obj_desc;
- ACPI_FUNCTION_TRACE("ns_detach_object");
+ ACPI_FUNCTION_TRACE(ns_detach_object);
obj_desc = node->object;
@@ -252,7 +255,7 @@ union acpi_operand_object *acpi_ns_get_attached_object(struct
acpi_namespace_node
*node)
{
- ACPI_FUNCTION_TRACE_PTR("ns_get_attached_object", node);
+ ACPI_FUNCTION_TRACE_PTR(ns_get_attached_object, node);
if (!node) {
ACPI_WARNING((AE_INFO, "Null Node ptr"));
@@ -287,7 +290,7 @@ union acpi_operand_object *acpi_ns_get_secondary_object(union
acpi_operand_object
*obj_desc)
{
- ACPI_FUNCTION_TRACE_PTR("ns_get_secondary_object", obj_desc);
+ ACPI_FUNCTION_TRACE_PTR(ns_get_secondary_object, obj_desc);
if ((!obj_desc) ||
(ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA) ||
diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c
index 232be4303653..155505a4ef69 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -62,13 +62,13 @@ ACPI_MODULE_NAME("nsparse")
*
******************************************************************************/
acpi_status
-acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc * table_desc)
+acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc *table_desc)
{
union acpi_parse_object *parse_root;
acpi_status status;
struct acpi_walk_state *walk_state;
- ACPI_FUNCTION_TRACE("ns_one_complete_parse");
+ ACPI_FUNCTION_TRACE(ns_one_complete_parse);
/* Create and init a Root Node */
@@ -124,7 +124,7 @@ acpi_ns_parse_table(struct acpi_table_desc *table_desc,
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ns_parse_table");
+ ACPI_FUNCTION_TRACE(ns_parse_table);
/*
* AML Parse, pass 1
diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c
index d64b78952f24..500e2bbcfaf7 100644
--- a/drivers/acpi/namespace/nssearch.c
+++ b/drivers/acpi/namespace/nssearch.c
@@ -56,16 +56,16 @@ acpi_ns_search_parent_tree(u32 target_name,
/*******************************************************************************
*
- * FUNCTION: acpi_ns_search_node
+ * FUNCTION: acpi_ns_search_one_scope
*
* PARAMETERS: target_name - Ascii ACPI name to search for
- * Node - Starting node where search will begin
+ * parent_node - Starting node where search will begin
* Type - Object type to match
* return_node - Where the matched Named obj is returned
*
* RETURN: Status
*
- * DESCRIPTION: Search a single level of the namespace. Performs a
+ * DESCRIPTION: Search a single level of the namespace. Performs a
* simple search of the specified level, and does not add
* entries or search parents.
*
@@ -75,35 +75,40 @@ acpi_ns_search_parent_tree(u32 target_name,
*
* All namespace searching is linear in this implementation, but
* could be easily modified to support any improved search
- * algorithm. However, the linear search was chosen for simplicity
+ * algorithm. However, the linear search was chosen for simplicity
* and because the trees are small and the other interpreter
* execution overhead is relatively high.
*
+ * Note: CPU execution analysis has shown that the AML interpreter spends
+ * a very small percentage of its time searching the namespace. Therefore,
+ * the linear search seems to be sufficient, as there would seem to be
+ * little value in improving the search.
+ *
******************************************************************************/
acpi_status
-acpi_ns_search_node(u32 target_name,
- struct acpi_namespace_node *node,
- acpi_object_type type,
- struct acpi_namespace_node **return_node)
+acpi_ns_search_one_scope(u32 target_name,
+ struct acpi_namespace_node *parent_node,
+ acpi_object_type type,
+ struct acpi_namespace_node **return_node)
{
- struct acpi_namespace_node *next_node;
+ struct acpi_namespace_node *node;
- ACPI_FUNCTION_TRACE("ns_search_node");
+ ACPI_FUNCTION_TRACE(ns_search_one_scope);
#ifdef ACPI_DEBUG_OUTPUT
if (ACPI_LV_NAMES & acpi_dbg_level) {
char *scope_name;
- scope_name = acpi_ns_get_external_pathname(node);
+ scope_name = acpi_ns_get_external_pathname(parent_node);
if (scope_name) {
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Searching %s (%p) For [%4.4s] (%s)\n",
- scope_name, node, ACPI_CAST_PTR(char,
- &target_name),
+ scope_name, parent_node,
+ ACPI_CAST_PTR(char, &target_name),
acpi_ut_get_type_name(type)));
- ACPI_MEM_FREE(scope_name);
+ ACPI_FREE(scope_name);
}
}
#endif
@@ -112,32 +117,33 @@ acpi_ns_search_node(u32 target_name,
* Search for name at this namespace level, which is to say that we
* must search for the name among the children of this object
*/
- next_node = node->child;
- while (next_node) {
+ node = parent_node->child;
+ while (node) {
+
/* Check for match against the name */
- if (next_node->name.integer == target_name) {
+ if (node->name.integer == target_name) {
+
/* Resolve a control method alias if any */
- if (acpi_ns_get_type(next_node) ==
+ if (acpi_ns_get_type(node) ==
ACPI_TYPE_LOCAL_METHOD_ALIAS) {
- next_node =
+ node =
ACPI_CAST_PTR(struct acpi_namespace_node,
- next_node->object);
+ node->object);
}
- /*
- * Found matching entry.
- */
+ /* Found matching entry */
+
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n",
ACPI_CAST_PTR(char, &target_name),
- acpi_ut_get_type_name(next_node->
- type),
- next_node,
- acpi_ut_get_node_name(node), node));
+ acpi_ut_get_type_name(node->type),
+ node,
+ acpi_ut_get_node_name(parent_node),
+ parent_node));
- *return_node = next_node;
+ *return_node = node;
return_ACPI_STATUS(AE_OK);
}
@@ -145,7 +151,8 @@ acpi_ns_search_node(u32 target_name,
* The last entry in the list points back to the parent,
* so a flag is used to indicate the end-of-list
*/
- if (next_node->flags & ANOBJ_END_OF_PEER_LIST) {
+ if (node->flags & ANOBJ_END_OF_PEER_LIST) {
+
/* Searched entire list, we are done */
break;
@@ -153,7 +160,7 @@ acpi_ns_search_node(u32 target_name,
/* Didn't match name, move on to the next peer object */
- next_node = next_node->peer;
+ node = node->peer;
}
/* Searched entire namespace level, not found */
@@ -162,7 +169,8 @@ acpi_ns_search_node(u32 target_name,
"Name [%4.4s] (%s) not found in search in scope [%4.4s] %p first child %p\n",
ACPI_CAST_PTR(char, &target_name),
acpi_ut_get_type_name(type),
- acpi_ut_get_node_name(node), node, node->child));
+ acpi_ut_get_node_name(parent_node), parent_node,
+ parent_node->child));
return_ACPI_STATUS(AE_NOT_FOUND);
}
@@ -179,14 +187,14 @@ acpi_ns_search_node(u32 target_name,
* RETURN: Status
*
* DESCRIPTION: Called when a name has not been found in the current namespace
- * level. Before adding it or giving up, ACPI scope rules require
+ * level. Before adding it or giving up, ACPI scope rules require
* searching enclosing scopes in cases identified by acpi_ns_local().
*
* "A name is located by finding the matching name in the current
* name space, and then in the parent name space. If the parent
* name space does not contain the name, the search continues
* recursively until either the name is found or the name space
- * does not have a parent (the root of the name space). This
+ * does not have a parent (the root of the name space). This
* indicates that the name is not found" (From ACPI Specification,
* section 5.3)
*
@@ -201,7 +209,7 @@ acpi_ns_search_parent_tree(u32 target_name,
acpi_status status;
struct acpi_namespace_node *parent_node;
- ACPI_FUNCTION_TRACE("ns_search_parent_tree");
+ ACPI_FUNCTION_TRACE(ns_search_parent_tree);
parent_node = acpi_ns_get_parent_node(node);
@@ -235,20 +243,19 @@ acpi_ns_search_parent_tree(u32 target_name,
*/
while (parent_node) {
/*
- * Search parent scope. Use TYPE_ANY because we don't care about the
+ * Search parent scope. Use TYPE_ANY because we don't care about the
* object type at this point, we only care about the existence of
- * the actual name we are searching for. Typechecking comes later.
+ * the actual name we are searching for. Typechecking comes later.
*/
- status = acpi_ns_search_node(target_name, parent_node,
+ status =
+ acpi_ns_search_one_scope(target_name, parent_node,
ACPI_TYPE_ANY, return_node);
if (ACPI_SUCCESS(status)) {
return_ACPI_STATUS(status);
}
- /*
- * Not found here, go up another level
- * (until we reach the root)
- */
+ /* Not found here, go up another level (until we reach the root) */
+
parent_node = acpi_ns_get_parent_node(parent_node);
}
@@ -273,7 +280,7 @@ acpi_ns_search_parent_tree(u32 target_name,
* RETURN: Status
*
* DESCRIPTION: Search for a name segment in a single namespace level,
- * optionally adding it if it is not found. If the passed
+ * optionally adding it if it is not found. If the passed
* Type is not Any and the type previously stored in the
* entry was Any (i.e. unknown), update the stored type.
*
@@ -293,29 +300,46 @@ acpi_ns_search_and_enter(u32 target_name,
acpi_status status;
struct acpi_namespace_node *new_node;
- ACPI_FUNCTION_TRACE("ns_search_and_enter");
+ ACPI_FUNCTION_TRACE(ns_search_and_enter);
/* Parameter validation */
if (!node || !target_name || !return_node) {
ACPI_ERROR((AE_INFO,
- "Null param: Node %p Name %X return_node %p",
+ "Null parameter: Node %p Name %X ReturnNode %p",
node, target_name, return_node));
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /* Name must consist of printable characters */
-
+ /*
+ * Name must consist of valid ACPI characters. We will repair the name if
+ * necessary because we don't want to abort because of this, but we want
+ * all namespace names to be printable. A warning message is appropriate.
+ *
+ * This issue came up because there are in fact machines that exhibit
+ * this problem, and we want to be able to enable ACPI support for them,
+ * even though there are a few bad names.
+ */
if (!acpi_ut_valid_acpi_name(target_name)) {
- ACPI_ERROR((AE_INFO, "Bad character in ACPI Name: %X",
- target_name));
- return_ACPI_STATUS(AE_BAD_CHARACTER);
+ target_name = acpi_ut_repair_name(target_name);
+
+ /* Report warning only if in strict mode or debug mode */
+
+ if (!acpi_gbl_enable_interpreter_slack) {
+ ACPI_WARNING((AE_INFO,
+ "Found bad character(s) in name, repaired: [%4.4s]\n",
+ ACPI_CAST_PTR(char, &target_name)));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_WARN,
+ "Found bad character(s) in name, repaired: [%4.4s]\n",
+ ACPI_CAST_PTR(char, &target_name)));
+ }
}
/* Try to find the name in the namespace level specified by the caller */
*return_node = ACPI_ENTRY_NOT_FOUND;
- status = acpi_ns_search_node(target_name, node, type, return_node);
+ status = acpi_ns_search_one_scope(target_name, node, type, return_node);
if (status != AE_NOT_FOUND) {
/*
* If we found it AND the request specifies that a find is an error,
@@ -325,18 +349,16 @@ acpi_ns_search_and_enter(u32 target_name,
status = AE_ALREADY_EXISTS;
}
- /*
- * Either found it or there was an error
- * -- finished either way
- */
+ /* Either found it or there was an error: finished either way */
+
return_ACPI_STATUS(status);
}
/*
- * The name was not found. If we are NOT performing the first pass
+ * The name was not found. If we are NOT performing the first pass
* (name entry) of loading the namespace, search the parent tree (all the
* way to the root if necessary.) We don't want to perform the parent
- * search when the namespace is actually being loaded. We want to perform
+ * search when the namespace is actually being loaded. We want to perform
* the search when namespace references are being resolved (load pass 2)
* and during the execution phase.
*/
@@ -354,9 +376,8 @@ acpi_ns_search_and_enter(u32 target_name,
}
}
- /*
- * In execute mode, just search, never add names. Exit now.
- */
+ /* In execute mode, just search, never add names. Exit now */
+
if (interpreter_mode == ACPI_IMODE_EXECUTE) {
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"%4.4s Not found in %p [Not adding]\n",
@@ -371,11 +392,18 @@ acpi_ns_search_and_enter(u32 target_name,
if (!new_node) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
+#ifdef ACPI_ASL_COMPILER
+ /*
+ * Node is an object defined by an External() statement
+ */
+ if (flags & ACPI_NS_EXTERNAL) {
+ new_node->flags |= ANOBJ_IS_EXTERNAL;
+ }
+#endif
/* Install the new object into the parent's list of children */
acpi_ns_install_node(walk_state, node, new_node, type);
*return_node = new_node;
-
return_ACPI_STATUS(AE_OK);
}
diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/namespace/nsutils.c
index 3e7cad549a38..aa4e799d9a8c 100644
--- a/drivers/acpi/namespace/nsutils.c
+++ b/drivers/acpi/namespace/nsutils.c
@@ -78,15 +78,17 @@ acpi_ns_report_error(char *module_name,
char *internal_name, acpi_status lookup_status)
{
acpi_status status;
+ u32 bad_name;
char *name = NULL;
- acpi_ut_report_error(module_name, line_number);
+ acpi_os_printf("ACPI Error (%s-%04d): ", module_name, line_number);
if (lookup_status == AE_BAD_CHARACTER) {
+
/* There is a non-ascii character in the name */
- acpi_os_printf("[0x%4.4X] (NON-ASCII)",
- *(ACPI_CAST_PTR(u32, internal_name)));
+ ACPI_MOVE_32_TO_32(&bad_name, internal_name);
+ acpi_os_printf("[0x%4.4X] (NON-ASCII)", bad_name);
} else {
/* Convert path to external format */
@@ -102,7 +104,7 @@ acpi_ns_report_error(char *module_name,
}
if (name) {
- ACPI_MEM_FREE(name);
+ ACPI_FREE(name);
}
}
@@ -137,11 +139,12 @@ acpi_ns_report_method_error(char *module_name,
acpi_status status;
struct acpi_namespace_node *node = prefix_node;
- acpi_ut_report_error(module_name, line_number);
+ acpi_os_printf("ACPI Error (%s-%04d): ", module_name, line_number);
if (path) {
- status = acpi_ns_get_node_by_path(path, prefix_node,
- ACPI_NS_NO_UPSEARCH, &node);
+ status =
+ acpi_ns_get_node(prefix_node, path, ACPI_NS_NO_UPSEARCH,
+ &node);
if (ACPI_FAILURE(status)) {
acpi_os_printf("[Could not get node by pathname]");
}
@@ -185,7 +188,7 @@ acpi_ns_print_node_pathname(struct acpi_namespace_node *node, char *message)
}
acpi_os_printf("[%s] (Node %p)", (char *)buffer.pointer, node);
- ACPI_MEM_FREE(buffer.pointer);
+ ACPI_FREE(buffer.pointer);
}
}
@@ -239,7 +242,7 @@ static u8 acpi_ns_valid_path_separator(char sep)
acpi_object_type acpi_ns_get_type(struct acpi_namespace_node * node)
{
- ACPI_FUNCTION_TRACE("ns_get_type");
+ ACPI_FUNCTION_TRACE(ns_get_type);
if (!node) {
ACPI_WARNING((AE_INFO, "Null Node parameter"));
@@ -264,9 +267,10 @@ acpi_object_type acpi_ns_get_type(struct acpi_namespace_node * node)
u32 acpi_ns_local(acpi_object_type type)
{
- ACPI_FUNCTION_TRACE("ns_local");
+ ACPI_FUNCTION_TRACE(ns_local);
if (!acpi_ut_valid_object_type(type)) {
+
/* Type code out of range */
ACPI_WARNING((AE_INFO, "Invalid Object Type %X", type));
@@ -363,7 +367,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
char *result = NULL;
acpi_native_uint i;
- ACPI_FUNCTION_TRACE("ns_build_internal_name");
+ ACPI_FUNCTION_TRACE(ns_build_internal_name);
/* Setup the correct prefixes, counts, and pointers */
@@ -411,6 +415,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
for (i = 0; i < ACPI_NAME_SIZE; i++) {
if (acpi_ns_valid_path_separator(*external_name) ||
(*external_name == 0)) {
+
/* Pad the segment with underscore(s) if segment is short */
result[i] = '_';
@@ -473,7 +478,7 @@ acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
struct acpi_namestring_info info;
acpi_status status;
- ACPI_FUNCTION_TRACE("ns_internalize_name");
+ ACPI_FUNCTION_TRACE(ns_internalize_name);
if ((!external_name) || (*external_name == 0) || (!converted_name)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -486,7 +491,7 @@ acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
/* We need a segment to store the internal name */
- internal_name = ACPI_MEM_CALLOCATE(info.length);
+ internal_name = ACPI_ALLOCATE_ZEROED(info.length);
if (!internal_name) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -496,7 +501,7 @@ acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
info.internal_name = internal_name;
status = acpi_ns_build_internal_name(&info);
if (ACPI_FAILURE(status)) {
- ACPI_MEM_FREE(internal_name);
+ ACPI_FREE(internal_name);
return_ACPI_STATUS(status);
}
@@ -533,7 +538,7 @@ acpi_ns_externalize_name(u32 internal_name_length,
acpi_native_uint i = 0;
acpi_native_uint j = 0;
- ACPI_FUNCTION_TRACE("ns_externalize_name");
+ ACPI_FUNCTION_TRACE(ns_externalize_name);
if (!internal_name_length || !internal_name || !converted_name) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -628,7 +633,7 @@ acpi_ns_externalize_name(u32 internal_name_length,
/*
* Build converted_name
*/
- *converted_name = ACPI_MEM_CALLOCATE(required_length);
+ *converted_name = ACPI_ALLOCATE_ZEROED(required_length);
if (!(*converted_name)) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -681,13 +686,9 @@ struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle)
ACPI_FUNCTION_ENTRY();
/*
- * Simple implementation.
+ * Simple implementation
*/
- if (!handle) {
- return (NULL);
- }
-
- if (handle == ACPI_ROOT_OBJECT) {
+ if ((!handle) || (handle == ACPI_ROOT_OBJECT)) {
return (acpi_gbl_root_node);
}
@@ -697,7 +698,7 @@ struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle)
return (NULL);
}
- return ((struct acpi_namespace_node *)handle);
+ return (ACPI_CAST_PTR(struct acpi_namespace_node, handle));
}
/*******************************************************************************
@@ -752,7 +753,7 @@ void acpi_ns_terminate(void)
{
union acpi_operand_object *obj_desc;
- ACPI_FUNCTION_TRACE("ns_terminate");
+ ACPI_FUNCTION_TRACE(ns_terminate);
/*
* 1) Free the entire namespace -- all nodes and objects
@@ -792,9 +793,10 @@ void acpi_ns_terminate(void)
u32 acpi_ns_opens_scope(acpi_object_type type)
{
- ACPI_FUNCTION_TRACE_STR("ns_opens_scope", acpi_ut_get_type_name(type));
+ ACPI_FUNCTION_TRACE_STR(ns_opens_scope, acpi_ut_get_type_name(type));
if (!acpi_ut_valid_object_type(type)) {
+
/* type code out of range */
ACPI_WARNING((AE_INFO, "Invalid Object Type %X", type));
@@ -806,12 +808,12 @@ u32 acpi_ns_opens_scope(acpi_object_type type)
/*******************************************************************************
*
- * FUNCTION: acpi_ns_get_node_by_path
+ * FUNCTION: acpi_ns_get_node
*
* PARAMETERS: *Pathname - Name to be found, in external (ASL) format. The
* \ (backslash) and ^ (carat) prefixes, and the
* . (period) to separate segments are supported.
- * start_node - Root of subtree to be searched, or NS_ALL for the
+ * prefix_node - Root of subtree to be searched, or NS_ALL for the
* root of the name space. If Name is fully
* qualified (first s8 is '\'), the passed value
* of Scope will not be accessed.
@@ -827,23 +829,29 @@ u32 acpi_ns_opens_scope(acpi_object_type type)
******************************************************************************/
acpi_status
-acpi_ns_get_node_by_path(char *pathname,
- struct acpi_namespace_node *start_node,
- u32 flags, struct acpi_namespace_node **return_node)
+acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
+ char *pathname,
+ u32 flags, struct acpi_namespace_node **return_node)
{
union acpi_generic_state scope_info;
acpi_status status;
- char *internal_path = NULL;
-
- ACPI_FUNCTION_TRACE_PTR("ns_get_node_by_path", pathname);
+ char *internal_path;
- if (pathname) {
- /* Convert path to internal representation */
+ ACPI_FUNCTION_TRACE_PTR(ns_get_node, pathname);
- status = acpi_ns_internalize_name(pathname, &internal_path);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ if (!pathname) {
+ *return_node = prefix_node;
+ if (!prefix_node) {
+ *return_node = acpi_gbl_root_node;
}
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Convert path to internal representation */
+
+ status = acpi_ns_internalize_name(pathname, &internal_path);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Must lock namespace during lookup */
@@ -855,26 +863,23 @@ acpi_ns_get_node_by_path(char *pathname,
/* Setup lookup scope (search starting point) */
- scope_info.scope.node = start_node;
+ scope_info.scope.node = prefix_node;
/* Lookup the name in the namespace */
- status = acpi_ns_lookup(&scope_info, internal_path,
- ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
- (flags | ACPI_NS_DONT_OPEN_SCOPE),
- NULL, return_node);
+ status = acpi_ns_lookup(&scope_info, internal_path, ACPI_TYPE_ANY,
+ ACPI_IMODE_EXECUTE,
+ (flags | ACPI_NS_DONT_OPEN_SCOPE), NULL,
+ return_node);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s, %s\n",
- internal_path,
- acpi_format_exception(status)));
+ pathname, acpi_format_exception(status)));
}
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
cleanup:
- if (internal_path) {
- ACPI_MEM_FREE(internal_path);
- }
+ ACPI_FREE(internal_path);
return_ACPI_STATUS(status);
}
@@ -960,9 +965,10 @@ acpi_name acpi_ns_find_parent_name(struct acpi_namespace_node * child_node)
{
struct acpi_namespace_node *parent_node;
- ACPI_FUNCTION_TRACE("ns_find_parent_name");
+ ACPI_FUNCTION_TRACE(ns_find_parent_name);
if (child_node) {
+
/* Valid entry. Get the parent Node */
parent_node = acpi_ns_get_parent_node(child_node);
diff --git a/drivers/acpi/namespace/nswalk.c b/drivers/acpi/namespace/nswalk.c
index fcab1e784b81..c8f6bef16ed0 100644
--- a/drivers/acpi/namespace/nswalk.c
+++ b/drivers/acpi/namespace/nswalk.c
@@ -76,6 +76,7 @@ struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type,
ACPI_FUNCTION_ENTRY();
if (!child_node) {
+
/* It's really the parent's _scope_ that we want */
if (parent_node->child) {
@@ -92,6 +93,7 @@ struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type,
/* If any type is OK, we are done */
if (type == ACPI_TYPE_ANY) {
+
/* next_node is NULL if we are at the end-of-list */
return (next_node);
@@ -100,6 +102,7 @@ struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type,
/* Must search for the node -- but within this scope only */
while (next_node) {
+
/* If type matches, we are done */
if (next_node->type == type) {
@@ -161,7 +164,7 @@ acpi_ns_walk_namespace(acpi_object_type type,
acpi_object_type child_type;
u32 level;
- ACPI_FUNCTION_TRACE("ns_walk_namespace");
+ ACPI_FUNCTION_TRACE(ns_walk_namespace);
/* Special case for the namespace Root Node */
@@ -182,6 +185,7 @@ acpi_ns_walk_namespace(acpi_object_type type,
* bubbled up to (and passed) the original parent handle (start_entry)
*/
while (level > 0) {
+
/* Get the next node in this scope. Null if not found */
status = AE_OK;
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c
index a95f636dc35d..6d9bd45af30a 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/namespace/nsxfeval.c
@@ -42,8 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
#include <acpi/acinterp.h>
@@ -51,6 +49,7 @@
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsxfeval")
+#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
*
* FUNCTION: acpi_evaluate_object_typed
@@ -71,18 +70,17 @@ ACPI_MODULE_NAME("nsxfeval")
* be valid (non-null)
*
******************************************************************************/
-#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_evaluate_object_typed(acpi_handle handle,
acpi_string pathname,
- struct acpi_object_list *external_params,
- struct acpi_buffer *return_buffer,
+ struct acpi_object_list * external_params,
+ struct acpi_buffer * return_buffer,
acpi_object_type return_type)
{
acpi_status status;
u8 must_free = FALSE;
- ACPI_FUNCTION_TRACE("acpi_evaluate_object_typed");
+ ACPI_FUNCTION_TRACE(acpi_evaluate_object_typed);
/* Return buffer must be valid */
@@ -110,6 +108,7 @@ acpi_evaluate_object_typed(acpi_handle handle,
}
if (return_buffer->length == 0) {
+
/* Error because caller specifically asked for a return value */
ACPI_ERROR((AE_INFO, "No return value"));
@@ -131,6 +130,7 @@ acpi_evaluate_object_typed(acpi_handle handle,
acpi_ut_get_type_name(return_type)));
if (must_free) {
+
/* Caller used ACPI_ALLOCATE_BUFFER, free the return buffer */
acpi_os_free(return_buffer->pointer);
@@ -140,6 +140,8 @@ acpi_evaluate_object_typed(acpi_handle handle,
return_buffer->length = 0;
return_ACPI_STATUS(AE_TYPE);
}
+
+ACPI_EXPORT_SYMBOL(acpi_evaluate_object_typed)
#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
@@ -161,7 +163,6 @@ acpi_evaluate_object_typed(acpi_handle handle,
* be valid (non-null)
*
******************************************************************************/
-
acpi_status
acpi_evaluate_object(acpi_handle handle,
acpi_string pathname,
@@ -170,51 +171,61 @@ acpi_evaluate_object(acpi_handle handle,
{
acpi_status status;
acpi_status status2;
- struct acpi_parameter_info info;
+ struct acpi_evaluate_info *info;
acpi_size buffer_space_needed;
u32 i;
- ACPI_FUNCTION_TRACE("acpi_evaluate_object");
+ ACPI_FUNCTION_TRACE(acpi_evaluate_object);
- info.node = handle;
- info.parameters = NULL;
- info.return_object = NULL;
- info.parameter_type = ACPI_PARAM_ARGS;
+ /* Allocate and initialize the evaluation information block */
+
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ info->pathname = pathname;
+ info->parameter_type = ACPI_PARAM_ARGS;
+
+ /* Convert and validate the device handle */
+
+ info->prefix_node = acpi_ns_map_handle_to_node(handle);
+ if (!info->prefix_node) {
+ status = AE_BAD_PARAMETER;
+ goto cleanup;
+ }
/*
- * If there are parameters to be passed to the object
- * (which must be a control method), the external objects
- * must be converted to internal objects
+ * If there are parameters to be passed to a control method, the external
+ * objects must all be converted to internal objects
*/
if (external_params && external_params->count) {
/*
* Allocate a new parameter block for the internal objects
* Add 1 to count to allow for null terminated internal list
*/
- info.parameters = ACPI_MEM_CALLOCATE(((acpi_size)
- external_params->count +
- 1) * sizeof(void *));
- if (!info.parameters) {
- return_ACPI_STATUS(AE_NO_MEMORY);
+ info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size)
+ external_params->
+ count +
+ 1) * sizeof(void *));
+ if (!info->parameters) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
}
- /*
- * Convert each external object in the list to an
- * internal object
- */
+ /* Convert each external object in the list to an internal object */
+
for (i = 0; i < external_params->count; i++) {
status =
acpi_ut_copy_eobject_to_iobject(&external_params->
pointer[i],
- &info.
+ &info->
parameters[i]);
if (ACPI_FAILURE(status)) {
- acpi_ut_delete_internal_object_list(info.
- parameters);
- return_ACPI_STATUS(status);
+ goto cleanup;
}
}
- info.parameters[external_params->count] = NULL;
+ info->parameters[external_params->count] = NULL;
}
/*
@@ -224,43 +235,31 @@ acpi_evaluate_object(acpi_handle handle,
* 3) Valid handle
*/
if ((pathname) && (acpi_ns_valid_root_prefix(pathname[0]))) {
- /*
- * The path is fully qualified, just evaluate by name
- */
- status = acpi_ns_evaluate_by_name(pathname, &info);
+
+ /* The path is fully qualified, just evaluate by name */
+
+ info->prefix_node = NULL;
+ status = acpi_ns_evaluate(info);
} else if (!handle) {
/*
- * A handle is optional iff a fully qualified pathname
- * is specified. Since we've already handled fully
- * qualified names above, this is an error
+ * A handle is optional iff a fully qualified pathname is specified.
+ * Since we've already handled fully qualified names above, this is
+ * an error
*/
if (!pathname) {
- ACPI_ERROR((AE_INFO,
- "Both Handle and Pathname are NULL"));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Both Handle and Pathname are NULL"));
} else {
- ACPI_ERROR((AE_INFO,
- "Handle is NULL and Pathname is relative"));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Null Handle with relative pathname [%s]",
+ pathname));
}
status = AE_BAD_PARAMETER;
} else {
- /*
- * We get here if we have a handle -- and if we have a
- * pathname it is relative. The handle will be validated
- * in the lower procedures
- */
- if (!pathname) {
- /*
- * The null pathname case means the handle is for
- * the actual object to be evaluated
- */
- status = acpi_ns_evaluate_by_handle(&info);
- } else {
- /*
- * Both a Handle and a relative Pathname
- */
- status = acpi_ns_evaluate_relative(pathname, &info);
- }
+ /* We have a namespace a node and a possible relative path */
+
+ status = acpi_ns_evaluate(info);
}
/*
@@ -268,10 +267,10 @@ acpi_evaluate_object(acpi_handle handle,
* copy the return value to an external object.
*/
if (return_buffer) {
- if (!info.return_object) {
+ if (!info->return_object) {
return_buffer->length = 0;
} else {
- if (ACPI_GET_DESCRIPTOR_TYPE(info.return_object) ==
+ if (ACPI_GET_DESCRIPTOR_TYPE(info->return_object) ==
ACPI_DESC_TYPE_NAMED) {
/*
* If we received a NS Node as a return object, this means that
@@ -282,19 +281,19 @@ acpi_evaluate_object(acpi_handle handle,
* support for various types at a later date if necessary.
*/
status = AE_TYPE;
- info.return_object = NULL; /* No need to delete a NS Node */
+ info->return_object = NULL; /* No need to delete a NS Node */
return_buffer->length = 0;
}
if (ACPI_SUCCESS(status)) {
- /*
- * Find out how large a buffer is needed
- * to contain the returned object
- */
+
+ /* Get the size of the returned object */
+
status =
- acpi_ut_get_object_size(info.return_object,
+ acpi_ut_get_object_size(info->return_object,
&buffer_space_needed);
if (ACPI_SUCCESS(status)) {
+
/* Validate/Allocate/Clear caller buffer */
status =
@@ -303,7 +302,8 @@ acpi_evaluate_object(acpi_handle handle,
buffer_space_needed);
if (ACPI_FAILURE(status)) {
/*
- * Caller's buffer is too small or a new one can't be allocated
+ * Caller's buffer is too small or a new one can't
+ * be allocated
*/
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Needed buffer size %X, %s\n",
@@ -312,12 +312,11 @@ acpi_evaluate_object(acpi_handle handle,
acpi_format_exception
(status)));
} else {
- /*
- * We have enough space for the object, build it
- */
+ /* We have enough space for the object, build it */
+
status =
acpi_ut_copy_iobject_to_eobject
- (info.return_object,
+ (info->return_object,
return_buffer);
}
}
@@ -325,35 +324,37 @@ acpi_evaluate_object(acpi_handle handle,
}
}
- if (info.return_object) {
+ if (info->return_object) {
/*
- * Delete the internal return object. NOTE: Interpreter
- * must be locked to avoid race condition.
+ * Delete the internal return object. NOTE: Interpreter must be
+ * locked to avoid race condition.
*/
status2 = acpi_ex_enter_interpreter();
if (ACPI_SUCCESS(status2)) {
- /*
- * Delete the internal return object. (Or at least
- * decrement the reference count by one)
- */
- acpi_ut_remove_reference(info.return_object);
+
+ /* Remove one reference on the return object (should delete it) */
+
+ acpi_ut_remove_reference(info->return_object);
acpi_ex_exit_interpreter();
}
}
- /*
- * Free the input parameter list (if we created one),
- */
- if (info.parameters) {
+ cleanup:
+
+ /* Free the input parameter list (if we created one) */
+
+ if (info->parameters) {
+
/* Free the allocated parameter block */
- acpi_ut_delete_internal_object_list(info.parameters);
+ acpi_ut_delete_internal_object_list(info->parameters);
}
+ ACPI_FREE(info);
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_evaluate_object);
+ACPI_EXPORT_SYMBOL(acpi_evaluate_object)
/*******************************************************************************
*
@@ -384,7 +385,6 @@ EXPORT_SYMBOL(acpi_evaluate_object);
* function, etc.
*
******************************************************************************/
-
acpi_status
acpi_walk_namespace(acpi_object_type type,
acpi_handle start_object,
@@ -394,7 +394,7 @@ acpi_walk_namespace(acpi_object_type type,
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_walk_namespace");
+ ACPI_FUNCTION_TRACE(acpi_walk_namespace);
/* Parameter validation */
@@ -421,7 +421,7 @@ acpi_walk_namespace(acpi_object_type type,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_walk_namespace);
+ACPI_EXPORT_SYMBOL(acpi_walk_namespace)
/*******************************************************************************
*
@@ -436,7 +436,6 @@ EXPORT_SYMBOL(acpi_walk_namespace);
* on that.
*
******************************************************************************/
-
static acpi_status
acpi_ns_get_device_callback(acpi_handle obj_handle,
u32 nesting_level,
@@ -473,6 +472,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
}
if (!(flags & ACPI_STA_DEVICE_PRESENT)) {
+
/* Don't examine children of the device if not present */
return (AE_CTRL_DEPTH);
@@ -489,6 +489,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
}
if (ACPI_STRNCMP(hid.value, info->hid, sizeof(hid.value)) != 0) {
+
/* Get the list of Compatible IDs */
status = acpi_ut_execute_CID(node, &cid);
@@ -505,11 +506,11 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
sizeof(struct
acpi_compatible_id)) !=
0) {
- ACPI_MEM_FREE(cid);
+ ACPI_FREE(cid);
return (AE_OK);
}
}
- ACPI_MEM_FREE(cid);
+ ACPI_FREE(cid);
}
}
@@ -551,7 +552,7 @@ acpi_get_devices(char *HID,
acpi_status status;
struct acpi_get_devices_info info;
- ACPI_FUNCTION_TRACE("acpi_get_devices");
+ ACPI_FUNCTION_TRACE(acpi_get_devices);
/* Parameter validation */
@@ -563,9 +564,9 @@ acpi_get_devices(char *HID,
* We're going to call their callback from OUR callback, so we need
* to know what it is, and their context parameter.
*/
+ info.hid = HID;
info.context = context;
info.user_function = user_function;
- info.hid = HID;
/*
* Lock the namespace around the walk.
@@ -578,9 +579,8 @@ acpi_get_devices(char *HID,
return_ACPI_STATUS(status);
}
- status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE,
- ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
- ACPI_NS_WALK_UNLOCK,
+ status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
+ ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
acpi_ns_get_device_callback, &info,
return_value);
@@ -588,7 +588,7 @@ acpi_get_devices(char *HID,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_get_devices);
+ACPI_EXPORT_SYMBOL(acpi_get_devices)
/*******************************************************************************
*
@@ -603,7 +603,6 @@ EXPORT_SYMBOL(acpi_get_devices);
* DESCRIPTION: Attach arbitrary data and handler to a namespace node.
*
******************************************************************************/
-
acpi_status
acpi_attach_data(acpi_handle obj_handle,
acpi_object_handler handler, void *data)
@@ -637,6 +636,8 @@ acpi_attach_data(acpi_handle obj_handle,
return (status);
}
+ACPI_EXPORT_SYMBOL(acpi_attach_data)
+
/*******************************************************************************
*
* FUNCTION: acpi_detach_data
@@ -649,7 +650,6 @@ acpi_attach_data(acpi_handle obj_handle,
* DESCRIPTION: Remove data that was previously attached to a node.
*
******************************************************************************/
-
acpi_status
acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler)
{
@@ -682,6 +682,8 @@ acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler)
return (status);
}
+ACPI_EXPORT_SYMBOL(acpi_detach_data)
+
/*******************************************************************************
*
* FUNCTION: acpi_get_data
@@ -695,7 +697,6 @@ acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler)
* DESCRIPTION: Retrieve data that was previously attached to a namespace node.
*
******************************************************************************/
-
acpi_status
acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data)
{
@@ -727,3 +728,5 @@ acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data)
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return (status);
}
+
+ACPI_EXPORT_SYMBOL(acpi_get_data)
diff --git a/drivers/acpi/namespace/nsxfname.c b/drivers/acpi/namespace/nsxfname.c
index 8cd8675a47c0..978213a6c19f 100644
--- a/drivers/acpi/namespace/nsxfname.c
+++ b/drivers/acpi/namespace/nsxfname.c
@@ -42,8 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
@@ -114,9 +112,8 @@ acpi_get_handle(acpi_handle parent,
/*
* Find the Node and convert to a handle
*/
- status =
- acpi_ns_get_node_by_path(pathname, prefix_node, ACPI_NS_NO_UPSEARCH,
- &node);
+ status = acpi_ns_get_node(prefix_node, pathname, ACPI_NS_NO_UPSEARCH,
+ &node);
*ret_handle = NULL;
if (ACPI_SUCCESS(status)) {
@@ -126,7 +123,7 @@ acpi_get_handle(acpi_handle parent,
return (status);
}
-EXPORT_SYMBOL(acpi_get_handle);
+ACPI_EXPORT_SYMBOL(acpi_get_handle)
/******************************************************************************
*
@@ -143,7 +140,6 @@ EXPORT_SYMBOL(acpi_get_handle);
* complementary functions.
*
******************************************************************************/
-
acpi_status
acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
{
@@ -162,6 +158,7 @@ acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
}
if (name_type == ACPI_FULL_PATHNAME) {
+
/* Get the full pathname (From the namespace root) */
status = acpi_ns_handle_to_pathname(handle, buffer);
@@ -203,7 +200,7 @@ acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
return (status);
}
-EXPORT_SYMBOL(acpi_get_name);
+ACPI_EXPORT_SYMBOL(acpi_get_name)
/******************************************************************************
*
@@ -219,7 +216,6 @@ EXPORT_SYMBOL(acpi_get_name);
* control methods (Such as in the case of a device.)
*
******************************************************************************/
-
acpi_status
acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer)
{
@@ -241,7 +237,7 @@ acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer)
return (status);
}
- info = ACPI_MEM_CALLOCATE(sizeof(struct acpi_device_info));
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_device_info));
if (!info) {
return (AE_NO_MEMORY);
}
@@ -345,11 +341,11 @@ acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer)
}
cleanup:
- ACPI_MEM_FREE(info);
+ ACPI_FREE(info);
if (cid_list) {
- ACPI_MEM_FREE(cid_list);
+ ACPI_FREE(cid_list);
}
return (status);
}
-EXPORT_SYMBOL(acpi_get_object_info);
+ACPI_EXPORT_SYMBOL(acpi_get_object_info)
diff --git a/drivers/acpi/namespace/nsxfobj.c b/drivers/acpi/namespace/nsxfobj.c
index a0332595677a..a163e1d3708d 100644
--- a/drivers/acpi/namespace/nsxfobj.c
+++ b/drivers/acpi/namespace/nsxfobj.c
@@ -42,8 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
@@ -101,7 +99,7 @@ acpi_status acpi_get_type(acpi_handle handle, acpi_object_type * ret_type)
return (status);
}
-EXPORT_SYMBOL(acpi_get_type);
+ACPI_EXPORT_SYMBOL(acpi_get_type)
/*******************************************************************************
*
@@ -116,7 +114,6 @@ EXPORT_SYMBOL(acpi_get_type);
* Handle.
*
******************************************************************************/
-
acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
{
struct acpi_namespace_node *node;
@@ -162,7 +159,7 @@ acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
return (status);
}
-EXPORT_SYMBOL(acpi_get_parent);
+ACPI_EXPORT_SYMBOL(acpi_get_parent)
/*******************************************************************************
*
@@ -181,7 +178,6 @@ EXPORT_SYMBOL(acpi_get_parent);
* Scope is returned.
*
******************************************************************************/
-
acpi_status
acpi_get_next_object(acpi_object_type type,
acpi_handle parent,
@@ -206,6 +202,7 @@ acpi_get_next_object(acpi_object_type type,
/* If null handle, use the parent */
if (!child) {
+
/* Start search at the beginning of the specified scope */
parent_node = acpi_ns_map_handle_to_node(parent);
@@ -242,4 +239,4 @@ acpi_get_next_object(acpi_object_type type,
return (status);
}
-EXPORT_SYMBOL(acpi_get_next_object);
+ACPI_EXPORT_SYMBOL(acpi_get_next_object)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 13b5fd5854a8..1bb558adee66 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -37,6 +37,7 @@
#include <linux/delay.h>
#include <linux/workqueue.h>
#include <linux/nmi.h>
+#include <linux/kthread.h>
#include <acpi/acpi.h>
#include <asm/io.h>
#include <acpi/acpi_bus.h>
@@ -600,23 +601,41 @@ static void acpi_os_execute_deferred(void *context)
return_VOID;
}
-acpi_status
-acpi_os_queue_for_execution(u32 priority,
+static int acpi_os_execute_thread(void *context)
+{
+ struct acpi_os_dpc *dpc = (struct acpi_os_dpc *)context;
+ if (dpc) {
+ dpc->function(dpc->context);
+ kfree(dpc);
+ }
+ do_exit(0);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_execute
+ *
+ * PARAMETERS: Type - Type of the callback
+ * Function - Function to be executed
+ * Context - Function parameters
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Depending on type, either queues function for deferred execution or
+ * immediately executes function on a separate thread.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_os_execute(acpi_execute_type type,
acpi_osd_exec_callback function, void *context)
{
acpi_status status = AE_OK;
struct acpi_os_dpc *dpc;
struct work_struct *task;
-
- ACPI_FUNCTION_TRACE("os_queue_for_execution");
-
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Scheduling function [%p(%p)] for deferred execution.\n",
- function, context));
+ struct task_struct *p;
if (!function)
- return_ACPI_STATUS(AE_BAD_PARAMETER);
-
+ return AE_BAD_PARAMETER;
/*
* Allocate/initialize DPC structure. Note that this memory will be
* freed by the callee. The kernel handles the tq_struct list in a
@@ -627,30 +646,37 @@ acpi_os_queue_for_execution(u32 priority,
* We can save time and code by allocating the DPC and tq_structs
* from the same memory.
*/
-
- dpc =
- kmalloc(sizeof(struct acpi_os_dpc) + sizeof(struct work_struct),
- GFP_ATOMIC);
+ if (type == OSL_NOTIFY_HANDLER) {
+ dpc = kmalloc(sizeof(struct acpi_os_dpc), GFP_KERNEL);
+ } else {
+ dpc = kmalloc(sizeof(struct acpi_os_dpc) +
+ sizeof(struct work_struct), GFP_ATOMIC);
+ }
if (!dpc)
- return_ACPI_STATUS(AE_NO_MEMORY);
-
+ return AE_NO_MEMORY;
dpc->function = function;
dpc->context = context;
- task = (void *)(dpc + 1);
- INIT_WORK(task, acpi_os_execute_deferred, (void *)dpc);
-
- if (!queue_work(kacpid_wq, task)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Call to queue_work() failed.\n"));
- kfree(dpc);
- status = AE_ERROR;
+ if (type == OSL_NOTIFY_HANDLER) {
+ p = kthread_create(acpi_os_execute_thread, dpc, "kacpid_notify");
+ if (!IS_ERR(p)) {
+ wake_up_process(p);
+ } else {
+ status = AE_NO_MEMORY;
+ kfree(dpc);
+ }
+ } else {
+ task = (void *)(dpc + 1);
+ INIT_WORK(task, acpi_os_execute_deferred, (void *)dpc);
+ if (!queue_work(kacpid_wq, task)) {
+ status = AE_ERROR;
+ kfree(dpc);
+ }
}
-
- return_ACPI_STATUS(status);
+ return status;
}
-EXPORT_SYMBOL(acpi_os_queue_for_execution);
+EXPORT_SYMBOL(acpi_os_execute);
void acpi_os_wait_events_complete(void *context)
{
@@ -769,9 +795,6 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n",
handle, units, timeout));
- if (in_atomic())
- timeout = 0;
-
switch (timeout) {
/*
* No Wait:
@@ -896,14 +919,6 @@ u8 acpi_os_writable(void *ptr, acpi_size len)
}
#endif
-u32 acpi_os_get_thread_id(void)
-{
- if (!in_atomic())
- return current->pid;
-
- return 0;
-}
-
acpi_status acpi_os_signal(u32 function, void *info)
{
switch (function) {
@@ -1050,12 +1065,12 @@ void acpi_os_release_lock(acpi_handle handle, acpi_cpu_flags flags)
*
* FUNCTION: acpi_os_create_cache
*
- * PARAMETERS: CacheName - Ascii name for the cache
- * ObjectSize - Size of each cached object
- * MaxDepth - Maximum depth of the cache (in objects)
- * ReturnCache - Where the new cache object is returned
+ * PARAMETERS: name - Ascii name for the cache
+ * size - Size of each cached object
+ * depth - Maximum depth of the cache (in objects) <ignored>
+ * cache - Where the new cache object is returned
*
- * RETURN: Status
+ * RETURN: status
*
* DESCRIPTION: Create a cache object
*
@@ -1065,7 +1080,10 @@ acpi_status
acpi_os_create_cache(char *name, u16 size, u16 depth, acpi_cache_t ** cache)
{
*cache = kmem_cache_create(name, size, 0, 0, NULL, NULL);
- return AE_OK;
+ if (cache == NULL)
+ return AE_ERROR;
+ else
+ return AE_OK;
}
/*******************************************************************************
@@ -1134,16 +1152,63 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object)
*
* RETURN: Status
*
- * DESCRIPTION: Get an object from the specified cache. If cache is empty,
- * the object is allocated.
+ * DESCRIPTION: Return a zero-filled object.
*
******************************************************************************/
void *acpi_os_acquire_object(acpi_cache_t * cache)
{
- void *object = kmem_cache_alloc(cache, GFP_KERNEL);
+ void *object = kmem_cache_zalloc(cache, GFP_KERNEL);
WARN_ON(!object);
return object;
}
+/******************************************************************************
+ *
+ * FUNCTION: acpi_os_validate_interface
+ *
+ * PARAMETERS: interface - Requested interface to be validated
+ *
+ * RETURN: AE_OK if interface is supported, AE_SUPPORT otherwise
+ *
+ * DESCRIPTION: Match an interface string to the interfaces supported by the
+ * host. Strings originate from an AML call to the _OSI method.
+ *
+ *****************************************************************************/
+
+acpi_status
+acpi_os_validate_interface (char *interface)
+{
+
+ return AE_SUPPORT;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_os_validate_address
+ *
+ * PARAMETERS: space_id - ACPI space ID
+ * address - Physical address
+ * length - Address length
+ *
+ * RETURN: AE_OK if address/length is valid for the space_id. Otherwise,
+ * should return AE_AML_ILLEGAL_ADDRESS.
+ *
+ * DESCRIPTION: Validate a system address via the host OS. Used to validate
+ * the addresses accessed by AML operation regions.
+ *
+ *****************************************************************************/
+
+acpi_status
+acpi_os_validate_address (
+ u8 space_id,
+ acpi_physical_address address,
+ acpi_size length)
+{
+
+ return AE_OK;
+}
+
+
#endif
diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c
index de573be52718..bf88e076c3e9 100644
--- a/drivers/acpi/parser/psargs.c
+++ b/drivers/acpi/parser/psargs.c
@@ -79,7 +79,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
acpi_native_uint byte_count;
u8 byte_zero_mask = 0x3F; /* Default [0:5] */
- ACPI_FUNCTION_TRACE("ps_get_next_package_length");
+ ACPI_FUNCTION_TRACE(ps_get_next_package_length);
/*
* Byte 0 bits [6:7] contain the number of additional bytes
@@ -128,7 +128,7 @@ u8 *acpi_ps_get_next_package_end(struct acpi_parse_state *parser_state)
u8 *start = parser_state->aml;
u32 package_length;
- ACPI_FUNCTION_TRACE("ps_get_next_package_end");
+ ACPI_FUNCTION_TRACE(ps_get_next_package_end);
/* Function below updates parser_state->Aml */
@@ -157,7 +157,7 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state)
u8 *start = parser_state->aml;
u8 *end = parser_state->aml;
- ACPI_FUNCTION_TRACE("ps_get_next_namestring");
+ ACPI_FUNCTION_TRACE(ps_get_next_namestring);
/* Point past any namestring prefix characters (backslash or carat) */
@@ -237,7 +237,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
struct acpi_namespace_node *node;
union acpi_generic_state scope_info;
- ACPI_FUNCTION_TRACE("ps_get_next_namepath");
+ ACPI_FUNCTION_TRACE(ps_get_next_namepath);
path = acpi_ps_get_next_namestring(parser_state);
acpi_ps_init_op(arg, AML_INT_NAMEPATH_OP);
@@ -275,6 +275,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
*/
if (ACPI_SUCCESS(status) &&
possible_method_call && (node->type == ACPI_TYPE_METHOD)) {
+
/* This name is actually a control method invocation */
method_desc = acpi_ns_get_attached_object(node);
@@ -319,6 +320,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
* some not_found cases are allowed
*/
if (status == AE_NOT_FOUND) {
+
/* 1) not_found is ok during load pass 1/2 (allow forward references) */
if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) !=
@@ -354,6 +356,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
ACPI_PARSE_EXECUTE) {
+
/* Report a control method execution error */
status = acpi_ds_method_error(status, walk_state);
@@ -388,7 +391,7 @@ acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
u16 opcode;
u8 *aml = parser_state->aml;
- ACPI_FUNCTION_TRACE_U32("ps_get_next_simple_arg", arg_type);
+ ACPI_FUNCTION_TRACE_U32(ps_get_next_simple_arg, arg_type);
switch (arg_type) {
case ARGP_BYTEDATA:
@@ -453,7 +456,7 @@ acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
default:
- ACPI_ERROR((AE_INFO, "Invalid arg_type %X", arg_type));
+ ACPI_ERROR((AE_INFO, "Invalid ArgType %X", arg_type));
return_VOID;
}
@@ -484,7 +487,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
u16 opcode;
u32 name;
- ACPI_FUNCTION_TRACE("ps_get_next_field");
+ ACPI_FUNCTION_TRACE(ps_get_next_field);
/* Determine field type */
@@ -590,7 +593,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
u32 subop;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE_PTR("ps_get_next_arg", parser_state);
+ ACPI_FUNCTION_TRACE_PTR(ps_get_next_arg, parser_state);
switch (arg_type) {
case ARGP_BYTEDATA:
@@ -620,6 +623,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
case ARGP_FIELDLIST:
if (parser_state->aml < parser_state->pkg_end) {
+
/* Non-empty list */
while (parser_state->aml < parser_state->pkg_end) {
@@ -645,6 +649,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
case ARGP_BYTELIST:
if (parser_state->aml < parser_state->pkg_end) {
+
/* Non-empty list */
arg = acpi_ps_alloc_op(AML_INT_BYTELIST_OP);
@@ -673,6 +678,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
if (subop == 0 ||
acpi_ps_is_leading_char(subop) ||
acpi_ps_is_prefix_char(subop)) {
+
/* null_name or name_string */
arg = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP);
@@ -703,6 +709,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
case ARGP_OBJLIST:
if (parser_state->aml < parser_state->pkg_end) {
+
/* Non-empty list of variable arguments, nothing returned */
walk_state->arg_count = ACPI_VAR_ARGS;
@@ -711,7 +718,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
default:
- ACPI_ERROR((AE_INFO, "Invalid arg_type: %X", arg_type));
+ ACPI_ERROR((AE_INFO, "Invalid ArgType: %X", arg_type));
status = AE_AML_OPERAND_TYPE;
break;
}
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
index 00b072e15d19..e1541db3753a 100644
--- a/drivers/acpi/parser/psloop.c
+++ b/drivers/acpi/parser/psloop.c
@@ -83,7 +83,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
struct acpi_parse_state *parser_state;
u8 *aml_op_start = NULL;
- ACPI_FUNCTION_TRACE_PTR("ps_parse_loop", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ps_parse_loop, walk_state);
if (walk_state->descending_callback == NULL) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -95,6 +95,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
+
/* We are restarting a preempted control method */
if (acpi_ps_has_completed_scope(parser_state)) {
@@ -128,7 +129,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
}
ACPI_EXCEPTION((AE_INFO, status,
- "get_predicate Failed"));
+ "GetPredicate Failed"));
return_ACPI_STATUS(status);
}
@@ -143,6 +144,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
"Popped scope, Op=%p\n", op));
} else if (walk_state->prev_op) {
+
/* We were in the middle of an op */
op = walk_state->prev_op;
@@ -156,6 +158,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
while ((parser_state->aml < parser_state->aml_end) || (op)) {
aml_op_start = parser_state->aml;
if (!op) {
+
/* Get the next opcode from the AML stream */
walk_state->aml_offset =
@@ -213,6 +216,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
/* Create Op structure and append to parent's argument list */
if (walk_state->op_info->flags & AML_NAMED) {
+
/* Allocate a new pre_op if necessary */
if (!pre_op) {
@@ -371,7 +375,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
if (walk_state->op_info) {
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
- "Opcode %4.4X [%s] Op %p Aml %p aml_offset %5.5X\n",
+ "Opcode %4.4X [%s] Op %p Aml %p AmlOffset %5.5X\n",
(u32) op->common.aml_opcode,
walk_state->op_info->name, op,
parser_state->aml,
@@ -388,6 +392,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
/* Are there any arguments that must be processed? */
if (walk_state->arg_types) {
+
/* Get arguments */
switch (op->common.aml_opcode) {
@@ -742,7 +747,19 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
if (ACPI_FAILURE(status2)) {
return_ACPI_STATUS(status2);
}
+
+ status2 =
+ acpi_ds_result_stack_pop
+ (walk_state);
+ if (ACPI_FAILURE(status2)) {
+ return_ACPI_STATUS(status2);
+ }
+
+ acpi_ut_delete_generic_state
+ (acpi_ut_pop_generic_state
+ (&walk_state->control_state));
}
+
acpi_ps_pop_scope(parser_state, &op,
&walk_state->arg_types,
&walk_state->arg_count);
@@ -762,6 +779,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
return_ACPI_STATUS(status2);
}
}
+
acpi_ps_pop_scope(parser_state, &op,
&walk_state->arg_types,
&walk_state->arg_count);
@@ -853,6 +871,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
}
else if (ACPI_FAILURE(status)) {
+
/* First error is most important */
(void)
diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c
index 11d6351ab8b2..4bd25e32769f 100644
--- a/drivers/acpi/parser/psopcode.c
+++ b/drivers/acpi/parser/psopcode.c
@@ -725,12 +725,13 @@ static const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] = {
const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode)
{
- ACPI_FUNCTION_NAME("ps_get_opcode_info");
+ ACPI_FUNCTION_NAME(ps_get_opcode_info);
/*
* Detect normal 8-bit opcode or extended 16-bit opcode
*/
if (!(opcode & 0xFF00)) {
+
/* Simple (8-bit) opcode: 0-255, can't index beyond table */
return (&acpi_gbl_aml_op_info
@@ -739,6 +740,7 @@ const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode)
if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) &&
(((u8) opcode) <= MAX_EXTENDED_OPCODE)) {
+
/* Valid extended (16-bit) opcode */
return (&acpi_gbl_aml_op_info
@@ -779,7 +781,7 @@ char *acpi_ps_get_opcode_name(u16 opcode)
return (op->name);
#else
- return ("AE_NOT_CONFIGURED");
+ return ("OpcodeName unavailable");
#endif
}
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index a9f3229f4106..7ee2f2e77525 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -106,6 +106,7 @@ u16 acpi_ps_peek_opcode(struct acpi_parse_state * parser_state)
opcode = (u16) ACPI_GET8(aml);
if (opcode == AML_EXTENDED_OP_PREFIX) {
+
/* Extended opcode, get the second opcode byte */
aml++;
@@ -137,7 +138,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
const struct acpi_opcode_info *parent_info;
union acpi_parse_object *replacement_op = NULL;
- ACPI_FUNCTION_TRACE_PTR("ps_complete_this_op", op);
+ ACPI_FUNCTION_TRACE_PTR(ps_complete_this_op, op);
/* Check for null Op, can happen if AML code is corrupt */
@@ -158,6 +159,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
if (op->common.parent) {
prev = op->common.parent->common.value.arg;
if (!prev) {
+
/* Nothing more to do */
goto cleanup;
@@ -245,6 +247,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
/* We must unlink this op from the parent tree */
if (prev == op) {
+
/* This op is the first in the list */
if (replacement_op) {
@@ -265,6 +268,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
else
while (prev) {
+
/* Traverse all siblings in the parent's argument list */
next = prev->common.next;
@@ -329,7 +333,7 @@ acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
struct acpi_parse_state *parser_state = &walk_state->parser_state;
acpi_status status = AE_CTRL_PENDING;
- ACPI_FUNCTION_TRACE_PTR("ps_next_parse_state", op);
+ ACPI_FUNCTION_TRACE_PTR(ps_next_parse_state, op);
switch (callback_status) {
case AE_CTRL_TERMINATE:
@@ -449,10 +453,10 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
struct acpi_thread_state *prev_walk_list = acpi_gbl_current_walk_list;
struct acpi_walk_state *previous_walk_state;
- ACPI_FUNCTION_TRACE("ps_parse_aml");
+ ACPI_FUNCTION_TRACE(ps_parse_aml);
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
- "Entered with walk_state=%p Aml=%p size=%X\n",
+ "Entered with WalkState=%p Aml=%p size=%X\n",
walk_state, walk_state->parser_state.aml,
walk_state->parser_state.aml_size));
@@ -460,6 +464,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
thread = acpi_ut_create_thread_state();
if (!thread) {
+ acpi_ds_delete_walk_state(walk_state);
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -510,6 +515,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
} else if (status == AE_CTRL_TERMINATE) {
status = AE_OK;
} else if ((status != AE_OK) && (walk_state->method_desc)) {
+
/* Either the method parse or actual execution failed */
ACPI_ERROR_METHOD("Method parse/execution failed",
@@ -550,20 +556,9 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
*/
if (((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
ACPI_PARSE_EXECUTE) || (ACPI_FAILURE(status))) {
- if (walk_state->method_desc) {
- /* Decrement the thread count on the method parse tree */
-
- if (walk_state->method_desc->method.
- thread_count) {
- walk_state->method_desc->method.
- thread_count--;
- } else {
- ACPI_ERROR((AE_INFO,
- "Invalid zero thread count in method"));
- }
- }
-
- acpi_ds_terminate_control_method(walk_state);
+ acpi_ds_terminate_control_method(walk_state->
+ method_desc,
+ walk_state);
}
/* Delete this walk state and all linked control states */
@@ -572,7 +567,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
previous_walk_state = walk_state;
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
- "return_value=%p, implicit_value=%p State=%p\n",
+ "ReturnValue=%p, ImplicitValue=%p State=%p\n",
walk_state->return_desc,
walk_state->implicit_return_obj, walk_state));
@@ -633,12 +628,14 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
}
} else {
if (previous_walk_state->return_desc) {
+
/* Caller doesn't want it, must delete it */
acpi_ut_remove_reference(previous_walk_state->
return_desc);
}
if (previous_walk_state->implicit_return_obj) {
+
/* Caller doesn't want it, must delete it */
acpi_ut_remove_reference(previous_walk_state->
diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/parser/psscope.c
index bc6047caccd9..a3e0314de24d 100644
--- a/drivers/acpi/parser/psscope.c
+++ b/drivers/acpi/parser/psscope.c
@@ -106,14 +106,14 @@ acpi_ps_init_scope(struct acpi_parse_state * parser_state,
{
union acpi_generic_state *scope;
- ACPI_FUNCTION_TRACE_PTR("ps_init_scope", root_op);
+ ACPI_FUNCTION_TRACE_PTR(ps_init_scope, root_op);
scope = acpi_ut_create_generic_state();
if (!scope) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
- scope->common.data_type = ACPI_DESC_TYPE_STATE_RPSCOPE;
+ scope->common.descriptor_type = ACPI_DESC_TYPE_STATE_RPSCOPE;
scope->parse_scope.op = root_op;
scope->parse_scope.arg_count = ACPI_VAR_ARGS;
scope->parse_scope.arg_end = parser_state->aml_end;
@@ -147,14 +147,14 @@ acpi_ps_push_scope(struct acpi_parse_state *parser_state,
{
union acpi_generic_state *scope;
- ACPI_FUNCTION_TRACE_PTR("ps_push_scope", op);
+ ACPI_FUNCTION_TRACE_PTR(ps_push_scope, op);
scope = acpi_ut_create_generic_state();
if (!scope) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
- scope->common.data_type = ACPI_DESC_TYPE_STATE_PSCOPE;
+ scope->common.descriptor_type = ACPI_DESC_TYPE_STATE_PSCOPE;
scope->parse_scope.op = op;
scope->parse_scope.arg_list = remaining_args;
scope->parse_scope.arg_count = arg_count;
@@ -165,6 +165,7 @@ acpi_ps_push_scope(struct acpi_parse_state *parser_state,
acpi_ut_push_generic_state(&parser_state->scope, scope);
if (arg_count == ACPI_VAR_ARGS) {
+
/* Multiple arguments */
scope->parse_scope.arg_end = parser_state->pkg_end;
@@ -199,14 +200,14 @@ acpi_ps_pop_scope(struct acpi_parse_state *parser_state,
{
union acpi_generic_state *scope = parser_state->scope;
- ACPI_FUNCTION_TRACE("ps_pop_scope");
+ ACPI_FUNCTION_TRACE(ps_pop_scope);
/* Only pop the scope if there is in fact a next scope */
if (scope->common.next) {
scope = acpi_ut_pop_generic_state(&parser_state->scope);
- /* return to parsing previous op */
+ /* Return to parsing previous op */
*op = scope->parse_scope.op;
*arg_list = scope->parse_scope.arg_list;
@@ -217,7 +218,7 @@ acpi_ps_pop_scope(struct acpi_parse_state *parser_state,
acpi_ut_delete_generic_state(scope);
} else {
- /* empty parse stack, prepare to fetch next opcode */
+ /* Empty parse stack, prepare to fetch next opcode */
*op = NULL;
*arg_list = 0;
@@ -246,7 +247,7 @@ void acpi_ps_cleanup_scope(struct acpi_parse_state *parser_state)
{
union acpi_generic_state *scope;
- ACPI_FUNCTION_TRACE_PTR("ps_cleanup_scope", parser_state);
+ ACPI_FUNCTION_TRACE_PTR(ps_cleanup_scope, parser_state);
if (!parser_state) {
return_VOID;
diff --git a/drivers/acpi/parser/pstree.c b/drivers/acpi/parser/pstree.c
index dd6f16726fc4..0015717ef096 100644
--- a/drivers/acpi/parser/pstree.c
+++ b/drivers/acpi/parser/pstree.c
@@ -77,6 +77,7 @@ union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn)
op_info = acpi_ps_get_opcode_info(op->common.aml_opcode);
if (op_info->class == AML_CLASS_UNKNOWN) {
+
/* Invalid opcode or ASCII character */
return (NULL);
@@ -85,6 +86,7 @@ union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn)
/* Check if this opcode requires argument sub-objects */
if (!(op_info->flags & AML_HAS_ARGS)) {
+
/* Has no linked argument objects */
return (NULL);
@@ -130,6 +132,7 @@ acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg)
op_info = acpi_ps_get_opcode_info(op->common.aml_opcode);
if (op_info->class == AML_CLASS_UNKNOWN) {
+
/* Invalid opcode */
ACPI_ERROR((AE_INFO, "Invalid AML Opcode: 0x%2.2X",
@@ -140,6 +143,7 @@ acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg)
/* Check if this opcode requires argument sub-objects */
if (!(op_info->flags & AML_HAS_ARGS)) {
+
/* Has no linked argument objects */
return;
@@ -148,6 +152,7 @@ acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg)
/* Append the argument to the linked argument list */
if (op->common.value.arg) {
+
/* Append to existing argument list */
prev_arg = op->common.value.arg;
@@ -222,12 +227,14 @@ union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin,
}
if (arg == origin) {
+
/* Reached parent of origin, end search */
return (NULL);
}
if (parent->common.next) {
+
/* Found sibling of parent */
return (parent->common.next);
@@ -299,5 +306,4 @@ union acpi_parse_object *acpi_ps_get_child(union acpi_parse_object *op)
return (child);
}
#endif
-
#endif /* ACPI_FUTURE_USAGE */
diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c
index 3e07cb9cb748..182474ae8ce9 100644
--- a/drivers/acpi/parser/psutils.c
+++ b/drivers/acpi/parser/psutils.c
@@ -89,7 +89,7 @@ void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode)
{
ACPI_FUNCTION_ENTRY();
- op->common.data_type = ACPI_DESC_TYPE_PARSER;
+ op->common.descriptor_type = ACPI_DESC_TYPE_PARSER;
op->common.aml_opcode = opcode;
ACPI_DISASM_ONLY_MEMBERS(ACPI_STRNCPY(op->common.aml_op_name,
@@ -135,6 +135,7 @@ union acpi_parse_object *acpi_ps_alloc_op(u16 opcode)
/* Allocate the minimum required size object */
if (flags == ACPI_PARSEOP_GENERIC) {
+
/* The generic op (default) is by far the most common (16 to 1) */
op = acpi_os_acquire_object(acpi_gbl_ps_node_cache);
@@ -171,7 +172,7 @@ union acpi_parse_object *acpi_ps_alloc_op(u16 opcode)
void acpi_ps_free_op(union acpi_parse_object *op)
{
- ACPI_FUNCTION_NAME("ps_free_op");
+ ACPI_FUNCTION_NAME(ps_free_op);
if (op->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Free retval op: %p\n",
diff --git a/drivers/acpi/parser/pswalk.c b/drivers/acpi/parser/pswalk.c
index 06f05bfd7612..a84a547a0f1b 100644
--- a/drivers/acpi/parser/pswalk.c
+++ b/drivers/acpi/parser/pswalk.c
@@ -64,18 +64,21 @@ void acpi_ps_delete_parse_tree(union acpi_parse_object *subtree_root)
union acpi_parse_object *next = NULL;
union acpi_parse_object *parent = NULL;
- ACPI_FUNCTION_TRACE_PTR("ps_delete_parse_tree", subtree_root);
+ ACPI_FUNCTION_TRACE_PTR(ps_delete_parse_tree, subtree_root);
/* Visit all nodes in the subtree */
while (op) {
+
/* Check if we are not ascending */
if (op != parent) {
+
/* Look for an argument or child of the current op */
next = acpi_ps_get_arg(op, 0);
if (next) {
+
/* Still going downward in tree (Op is not completed yet) */
op = next;
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index 2dd48cbb7c02..5d996c1140af 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -50,14 +50,14 @@
ACPI_MODULE_NAME("psxface")
/* Local Prototypes */
-static void acpi_ps_start_trace(struct acpi_parameter_info *info);
+static void acpi_ps_start_trace(struct acpi_evaluate_info *info);
-static void acpi_ps_stop_trace(struct acpi_parameter_info *info);
+static void acpi_ps_stop_trace(struct acpi_evaluate_info *info);
-static acpi_status acpi_ps_execute_pass(struct acpi_parameter_info *info);
+static acpi_status acpi_ps_execute_pass(struct acpi_evaluate_info *info);
static void
-acpi_ps_update_parameter_list(struct acpi_parameter_info *info, u16 action);
+acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action);
/*******************************************************************************
*
@@ -113,7 +113,7 @@ acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags)
*
******************************************************************************/
-static void acpi_ps_start_trace(struct acpi_parameter_info *info)
+static void acpi_ps_start_trace(struct acpi_evaluate_info *info)
{
acpi_status status;
@@ -125,7 +125,7 @@ static void acpi_ps_start_trace(struct acpi_parameter_info *info)
}
if ((!acpi_gbl_trace_method_name) ||
- (acpi_gbl_trace_method_name != info->node->name.integer)) {
+ (acpi_gbl_trace_method_name != info->resolved_node->name.integer)) {
goto exit;
}
@@ -158,7 +158,7 @@ static void acpi_ps_start_trace(struct acpi_parameter_info *info)
*
******************************************************************************/
-static void acpi_ps_stop_trace(struct acpi_parameter_info *info)
+static void acpi_ps_stop_trace(struct acpi_evaluate_info *info)
{
acpi_status status;
@@ -170,7 +170,7 @@ static void acpi_ps_stop_trace(struct acpi_parameter_info *info)
}
if ((!acpi_gbl_trace_method_name) ||
- (acpi_gbl_trace_method_name != info->node->name.integer)) {
+ (acpi_gbl_trace_method_name != info->resolved_node->name.integer)) {
goto exit;
}
@@ -212,22 +212,23 @@ static void acpi_ps_stop_trace(struct acpi_parameter_info *info)
*
******************************************************************************/
-acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
+acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ps_execute_method");
+ ACPI_FUNCTION_TRACE(ps_execute_method);
/* Validate the Info and method Node */
- if (!info || !info->node) {
+ if (!info || !info->resolved_node) {
return_ACPI_STATUS(AE_NULL_ENTRY);
}
/* Init for new method, wait on concurrency semaphore */
status =
- acpi_ds_begin_method_execution(info->node, info->obj_desc, NULL);
+ acpi_ds_begin_method_execution(info->resolved_node, info->obj_desc,
+ NULL);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@@ -248,7 +249,7 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
*/
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
"**** Begin Method Parse **** Entry=%p obj=%p\n",
- info->node, info->obj_desc));
+ info->resolved_node, info->obj_desc));
info->pass_number = 1;
status = acpi_ps_execute_pass(info);
@@ -261,7 +262,7 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
*/
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
"**** Begin Method Execution **** Entry=%p obj=%p\n",
- info->node, info->obj_desc));
+ info->resolved_node, info->obj_desc));
info->pass_number = 3;
status = acpi_ps_execute_pass(info);
@@ -286,8 +287,7 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
* a control exception code
*/
if (info->return_object) {
- ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
- "Method returned obj_desc=%p\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Method returned ObjDesc=%p\n",
info->return_object));
ACPI_DUMP_STACK_ENTRY(info->return_object);
@@ -301,7 +301,7 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
*
* FUNCTION: acpi_ps_update_parameter_list
*
- * PARAMETERS: Info - See struct acpi_parameter_info
+ * PARAMETERS: Info - See struct acpi_evaluate_info
* (Used: parameter_type and Parameters)
* Action - Add or Remove reference
*
@@ -312,14 +312,16 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
******************************************************************************/
static void
-acpi_ps_update_parameter_list(struct acpi_parameter_info *info, u16 action)
+acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action)
{
acpi_native_uint i;
if ((info->parameter_type == ACPI_PARAM_ARGS) && (info->parameters)) {
+
/* Update reference count for each parameter */
for (i = 0; info->parameters[i]; i++) {
+
/* Ignore errors, just do them all */
(void)acpi_ut_update_object_reference(info->
@@ -333,7 +335,7 @@ acpi_ps_update_parameter_list(struct acpi_parameter_info *info, u16 action)
*
* FUNCTION: acpi_ps_execute_pass
*
- * PARAMETERS: Info - See struct acpi_parameter_info
+ * PARAMETERS: Info - See struct acpi_evaluate_info
* (Used: pass_number, Node, and obj_desc)
*
* RETURN: Status
@@ -342,13 +344,13 @@ acpi_ps_update_parameter_list(struct acpi_parameter_info *info, u16 action)
*
******************************************************************************/
-static acpi_status acpi_ps_execute_pass(struct acpi_parameter_info *info)
+static acpi_status acpi_ps_execute_pass(struct acpi_evaluate_info *info)
{
acpi_status status;
union acpi_parse_object *op;
struct acpi_walk_state *walk_state;
- ACPI_FUNCTION_TRACE("ps_execute_pass");
+ ACPI_FUNCTION_TRACE(ps_execute_pass);
/* Create and init a Root Node */
@@ -367,7 +369,7 @@ static acpi_status acpi_ps_execute_pass(struct acpi_parameter_info *info)
goto cleanup;
}
- status = acpi_ds_init_aml_walk(walk_state, op, info->node,
+ status = acpi_ds_init_aml_walk(walk_state, op, info->resolved_node,
info->obj_desc->method.aml_start,
info->obj_desc->method.aml_length,
info->pass_number == 1 ? NULL : info,
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 8920e8c6e246..228bdb626502 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -38,6 +38,7 @@
#include <linux/spinlock.h>
#include <linux/pm.h>
#include <linux/pci.h>
+#include <linux/mutex.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
@@ -91,7 +92,7 @@ static struct {
int count;
struct list_head entries;
} acpi_link;
-DECLARE_MUTEX(acpi_link_lock);
+DEFINE_MUTEX(acpi_link_lock);
/* --------------------------------------------------------------------------
PCI Link Device Management
@@ -641,19 +642,19 @@ acpi_pci_link_allocate_irq(acpi_handle handle,
return_VALUE(-1);
}
- down(&acpi_link_lock);
+ mutex_lock(&acpi_link_lock);
if (acpi_pci_link_allocate(link)) {
- up(&acpi_link_lock);
+ mutex_unlock(&acpi_link_lock);
return_VALUE(-1);
}
if (!link->irq.active) {
- up(&acpi_link_lock);
+ mutex_unlock(&acpi_link_lock);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Link active IRQ is 0!\n"));
return_VALUE(-1);
}
link->refcnt++;
- up(&acpi_link_lock);
+ mutex_unlock(&acpi_link_lock);
if (triggering)
*triggering = link->irq.triggering;
@@ -691,9 +692,9 @@ int acpi_pci_link_free_irq(acpi_handle handle)
return_VALUE(-1);
}
- down(&acpi_link_lock);
+ mutex_lock(&acpi_link_lock);
if (!link->irq.initialized) {
- up(&acpi_link_lock);
+ mutex_unlock(&acpi_link_lock);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Link isn't initialized\n"));
return_VALUE(-1);
}
@@ -716,7 +717,7 @@ int acpi_pci_link_free_irq(acpi_handle handle)
if (link->refcnt == 0) {
acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL);
}
- up(&acpi_link_lock);
+ mutex_unlock(&acpi_link_lock);
return_VALUE(link->irq.active);
}
@@ -747,7 +748,7 @@ static int acpi_pci_link_add(struct acpi_device *device)
strcpy(acpi_device_class(device), ACPI_PCI_LINK_CLASS);
acpi_driver_data(device) = link;
- down(&acpi_link_lock);
+ mutex_lock(&acpi_link_lock);
result = acpi_pci_link_get_possible(link);
if (result)
goto end;
@@ -782,7 +783,7 @@ static int acpi_pci_link_add(struct acpi_device *device)
end:
/* disable all links -- to be activated on use */
acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL);
- up(&acpi_link_lock);
+ mutex_unlock(&acpi_link_lock);
if (result)
kfree(link);
@@ -840,9 +841,9 @@ static int acpi_pci_link_remove(struct acpi_device *device, int type)
link = (struct acpi_pci_link *)acpi_driver_data(device);
- down(&acpi_link_lock);
+ mutex_lock(&acpi_link_lock);
list_del(&link->node);
- up(&acpi_link_lock);
+ mutex_unlock(&acpi_link_lock);
kfree(link);
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index ab00afec26f7..decaebb4cbe9 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -388,7 +388,7 @@ static int acpi_processor_remove_fs(struct acpi_device *device)
/* Use the acpiid in MADT to map cpus in case of SMP */
#ifndef CONFIG_SMP
-#define convert_acpiid_to_cpu(acpi_id) (0xff)
+#define convert_acpiid_to_cpu(acpi_id) (-1)
#else
#ifdef CONFIG_IA64
@@ -401,7 +401,7 @@ static int acpi_processor_remove_fs(struct acpi_device *device)
#define ARCH_BAD_APICID (0xff)
#endif
-static u8 convert_acpiid_to_cpu(u8 acpi_id)
+static int convert_acpiid_to_cpu(u8 acpi_id)
{
u16 apic_id;
int i;
@@ -427,7 +427,7 @@ static int acpi_processor_get_info(struct acpi_processor *pr)
acpi_status status = 0;
union acpi_object object = { 0 };
struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
- u8 cpu_index;
+ int cpu_index;
static int cpu0_initialized;
ACPI_FUNCTION_TRACE("acpi_processor_get_info");
@@ -473,7 +473,7 @@ static int acpi_processor_get_info(struct acpi_processor *pr)
cpu_index = convert_acpiid_to_cpu(pr->acpi_id);
/* Handle UP system running SMP kernel, with no LAPIC in MADT */
- if (!cpu0_initialized && (cpu_index == 0xff) &&
+ if (!cpu0_initialized && (cpu_index == -1) &&
(num_online_cpus() == 1)) {
cpu_index = 0;
}
@@ -487,7 +487,7 @@ static int acpi_processor_get_info(struct acpi_processor *pr)
* less than the max # of CPUs. They should be ignored _iff
* they are physically not present.
*/
- if (cpu_index >= NR_CPUS) {
+ if (cpu_index == -1) {
if (ACPI_FAILURE
(acpi_processor_hotadd_init(pr->handle, &pr->id))) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
@@ -558,8 +558,8 @@ static int acpi_processor_start(struct acpi_device *device)
*/
if (processor_device_array[pr->id] != NULL &&
processor_device_array[pr->id] != (void *)device) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "BIOS reporting wrong ACPI id"
- "for the processor\n"));
+ printk(KERN_WARNING "BIOS reported wrong ACPI id"
+ "for the processor\n");
return_VALUE(-ENODEV);
}
processor_device_array[pr->id] = (void *)device;
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 80fa43471f48..3b97a5eae9e8 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -54,10 +54,10 @@ ACPI_MODULE_NAME("acpi_processor")
#define US_TO_PM_TIMER_TICKS(t) ((t * (PM_TIMER_FREQUENCY/1000)) / 1000)
#define C2_OVERHEAD 4 /* 1us (3.579 ticks per us) */
#define C3_OVERHEAD 4 /* 1us (3.579 ticks per us) */
-static void (*pm_idle_save) (void);
+static void (*pm_idle_save) (void) __read_mostly;
module_param(max_cstate, uint, 0644);
-static unsigned int nocst = 0;
+static unsigned int nocst __read_mostly;
module_param(nocst, uint, 0000);
/*
@@ -67,7 +67,7 @@ module_param(nocst, uint, 0000);
* 100 HZ: 0x0000000F: 4 jiffies = 40ms
* reduce history for more aggressive entry into C3
*/
-static unsigned int bm_history =
+static unsigned int bm_history __read_mostly =
(HZ >= 800 ? 0xFFFFFFFF : ((1U << (HZ / 25)) - 1));
module_param(bm_history, uint, 0644);
/* --------------------------------------------------------------------------
@@ -1081,7 +1081,7 @@ int acpi_processor_power_init(struct acpi_processor *pr,
struct acpi_device *device)
{
acpi_status status = 0;
- static int first_run = 0;
+ static int first_run;
struct proc_dir_entry *entry = NULL;
unsigned int i;
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index f36db22ce1ae..41aaaba74b19 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -34,6 +34,7 @@
#ifdef CONFIG_X86_ACPI_CPUFREQ_PROC_INTF
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
#endif
@@ -48,7 +49,7 @@
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("acpi_processor")
-static DECLARE_MUTEX(performance_sem);
+static DEFINE_MUTEX(performance_mutex);
/*
* _PPC support is implemented as a CPUfreq policy notifier:
@@ -72,7 +73,7 @@ static int acpi_processor_ppc_notifier(struct notifier_block *nb,
struct acpi_processor *pr;
unsigned int ppc = 0;
- down(&performance_sem);
+ mutex_lock(&performance_mutex);
if (event != CPUFREQ_INCOMPATIBLE)
goto out;
@@ -93,7 +94,7 @@ static int acpi_processor_ppc_notifier(struct notifier_block *nb,
core_frequency * 1000);
out:
- up(&performance_sem);
+ mutex_unlock(&performance_mutex);
return 0;
}
@@ -553,6 +554,230 @@ static void acpi_cpufreq_remove_file(struct acpi_processor *pr)
}
#endif /* CONFIG_X86_ACPI_CPUFREQ_PROC_INTF */
+static int acpi_processor_get_psd(struct acpi_processor *pr)
+{
+ int result = 0;
+ acpi_status status = AE_OK;
+ struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
+ struct acpi_buffer format = {sizeof("NNNNN"), "NNNNN"};
+ struct acpi_buffer state = {0, NULL};
+ union acpi_object *psd = NULL;
+ struct acpi_psd_package *pdomain;
+
+ status = acpi_evaluate_object(pr->handle, "_PSD", NULL, &buffer);
+ if (ACPI_FAILURE(status)) {
+ return -ENODEV;
+ }
+
+ psd = (union acpi_object *) buffer.pointer;
+ if (!psd || (psd->type != ACPI_TYPE_PACKAGE)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _PSD data\n"));
+ result = -EFAULT;
+ goto end;
+ }
+
+ if (psd->package.count != 1) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _PSD data\n"));
+ result = -EFAULT;
+ goto end;
+ }
+
+ pdomain = &(pr->performance->domain_info);
+
+ state.length = sizeof(struct acpi_psd_package);
+ state.pointer = pdomain;
+
+ status = acpi_extract_package(&(psd->package.elements[0]),
+ &format, &state);
+ if (ACPI_FAILURE(status)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _PSD data\n"));
+ result = -EFAULT;
+ goto end;
+ }
+
+ if (pdomain->num_entries != ACPI_PSD_REV0_ENTRIES) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unknown _PSD:num_entries\n"));
+ result = -EFAULT;
+ goto end;
+ }
+
+ if (pdomain->revision != ACPI_PSD_REV0_REVISION) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unknown _PSD:revision\n"));
+ result = -EFAULT;
+ goto end;
+ }
+
+end:
+ acpi_os_free(buffer.pointer);
+ return result;
+}
+
+int acpi_processor_preregister_performance(
+ struct acpi_processor_performance **performance)
+{
+ int count, count_target;
+ int retval = 0;
+ unsigned int i, j;
+ cpumask_t covered_cpus;
+ struct acpi_processor *pr;
+ struct acpi_psd_package *pdomain;
+ struct acpi_processor *match_pr;
+ struct acpi_psd_package *match_pdomain;
+
+ mutex_lock(&performance_mutex);
+
+ retval = 0;
+
+ /* Call _PSD for all CPUs */
+ for_each_possible_cpu(i) {
+ pr = processors[i];
+ if (!pr) {
+ /* Look only at processors in ACPI namespace */
+ continue;
+ }
+
+ if (pr->performance) {
+ retval = -EBUSY;
+ continue;
+ }
+
+ if (!performance || !performance[i]) {
+ retval = -EINVAL;
+ continue;
+ }
+
+ pr->performance = performance[i];
+ cpu_set(i, pr->performance->shared_cpu_map);
+ if (acpi_processor_get_psd(pr)) {
+ retval = -EINVAL;
+ continue;
+ }
+ }
+ if (retval)
+ goto err_ret;
+
+ /*
+ * Now that we have _PSD data from all CPUs, lets setup P-state
+ * domain info.
+ */
+ for_each_possible_cpu(i) {
+ pr = processors[i];
+ if (!pr)
+ continue;
+
+ /* Basic validity check for domain info */
+ pdomain = &(pr->performance->domain_info);
+ if ((pdomain->revision != ACPI_PSD_REV0_REVISION) ||
+ (pdomain->num_entries != ACPI_PSD_REV0_ENTRIES)) {
+ retval = -EINVAL;
+ goto err_ret;
+ }
+ if (pdomain->coord_type != DOMAIN_COORD_TYPE_SW_ALL &&
+ pdomain->coord_type != DOMAIN_COORD_TYPE_SW_ANY &&
+ pdomain->coord_type != DOMAIN_COORD_TYPE_HW_ALL) {
+ retval = -EINVAL;
+ goto err_ret;
+ }
+ }
+
+ cpus_clear(covered_cpus);
+ for_each_possible_cpu(i) {
+ pr = processors[i];
+ if (!pr)
+ continue;
+
+ if (cpu_isset(i, covered_cpus))
+ continue;
+
+ pdomain = &(pr->performance->domain_info);
+ cpu_set(i, pr->performance->shared_cpu_map);
+ cpu_set(i, covered_cpus);
+ if (pdomain->num_processors <= 1)
+ continue;
+
+ /* Validate the Domain info */
+ count_target = pdomain->num_processors;
+ count = 1;
+ if (pdomain->coord_type == DOMAIN_COORD_TYPE_SW_ALL ||
+ pdomain->coord_type == DOMAIN_COORD_TYPE_HW_ALL) {
+ pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;
+ } else if (pdomain->coord_type == DOMAIN_COORD_TYPE_SW_ANY) {
+ pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ANY;
+ }
+
+ for_each_possible_cpu(j) {
+ if (i == j)
+ continue;
+
+ match_pr = processors[j];
+ if (!match_pr)
+ continue;
+
+ match_pdomain = &(match_pr->performance->domain_info);
+ if (match_pdomain->domain != pdomain->domain)
+ continue;
+
+ /* Here i and j are in the same domain */
+
+ if (match_pdomain->num_processors != count_target) {
+ retval = -EINVAL;
+ goto err_ret;
+ }
+
+ if (pdomain->coord_type != match_pdomain->coord_type) {
+ retval = -EINVAL;
+ goto err_ret;
+ }
+
+ cpu_set(j, covered_cpus);
+ cpu_set(j, pr->performance->shared_cpu_map);
+ count++;
+ }
+
+ for_each_possible_cpu(j) {
+ if (i == j)
+ continue;
+
+ match_pr = processors[j];
+ if (!match_pr)
+ continue;
+
+ match_pdomain = &(match_pr->performance->domain_info);
+ if (match_pdomain->domain != pdomain->domain)
+ continue;
+
+ match_pr->performance->shared_type =
+ pr->performance->shared_type;
+ match_pr->performance->shared_cpu_map =
+ pr->performance->shared_cpu_map;
+ }
+ }
+
+err_ret:
+ if (retval) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error while parsing _PSD domain information. Assuming no coordination\n"));
+ }
+
+ for_each_possible_cpu(i) {
+ pr = processors[i];
+ if (!pr || !pr->performance)
+ continue;
+
+ /* Assume no coordination on any error parsing domain info */
+ if (retval) {
+ cpus_clear(pr->performance->shared_cpu_map);
+ cpu_set(i, pr->performance->shared_cpu_map);
+ pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;
+ }
+ pr->performance = NULL; /* Will be set for real in register */
+ }
+
+ mutex_unlock(&performance_mutex);
+ return retval;
+}
+EXPORT_SYMBOL(acpi_processor_preregister_performance);
+
+
int
acpi_processor_register_performance(struct acpi_processor_performance
*performance, unsigned int cpu)
@@ -564,16 +789,16 @@ acpi_processor_register_performance(struct acpi_processor_performance
if (!(acpi_processor_ppc_status & PPC_REGISTERED))
return_VALUE(-EINVAL);
- down(&performance_sem);
+ mutex_lock(&performance_mutex);
pr = processors[cpu];
if (!pr) {
- up(&performance_sem);
+ mutex_unlock(&performance_mutex);
return_VALUE(-ENODEV);
}
if (pr->performance) {
- up(&performance_sem);
+ mutex_unlock(&performance_mutex);
return_VALUE(-EBUSY);
}
@@ -583,13 +808,13 @@ acpi_processor_register_performance(struct acpi_processor_performance
if (acpi_processor_get_performance_info(pr)) {
pr->performance = NULL;
- up(&performance_sem);
+ mutex_unlock(&performance_mutex);
return_VALUE(-EIO);
}
acpi_cpufreq_add_file(pr);
- up(&performance_sem);
+ mutex_unlock(&performance_mutex);
return_VALUE(0);
}
@@ -603,11 +828,11 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
ACPI_FUNCTION_TRACE("acpi_processor_unregister_performance");
- down(&performance_sem);
+ mutex_lock(&performance_mutex);
pr = processors[cpu];
if (!pr) {
- up(&performance_sem);
+ mutex_unlock(&performance_mutex);
return_VOID;
}
@@ -617,7 +842,7 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
acpi_cpufreq_remove_file(pr);
- up(&performance_sem);
+ mutex_unlock(&performance_mutex);
return_VOID;
}
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index 4038dbfa63a0..cf87b0230026 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -78,6 +78,7 @@ static u8 acpi_rs_count_set_bits(u16 bit_field)
ACPI_FUNCTION_ENTRY();
for (bits_set = 0; bit_field; bits_set++) {
+
/* Zero the least significant bit that is set */
bit_field &= (bit_field - 1);
@@ -154,15 +155,18 @@ acpi_rs_stream_option_length(u32 resource_length,
* length, minus one byte for the resource_source_index itself.
*/
if (resource_length > minimum_aml_resource_length) {
+
/* Compute the length of the optional string */
string_length =
resource_length - minimum_aml_resource_length - 1;
}
- /* Round up length to 32 bits for internal structure alignment */
-
- return (ACPI_ROUND_UP_to_32_bITS(string_length));
+ /*
+ * Round the length up to a multiple of the native word in order to
+ * guarantee that the entire resource descriptor is native word aligned
+ */
+ return ((u32) ACPI_ROUND_UP_TO_NATIVE_WORD(string_length));
}
/*******************************************************************************
@@ -186,11 +190,12 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
acpi_size aml_size_needed = 0;
acpi_rs_length total_size;
- ACPI_FUNCTION_TRACE("rs_get_aml_length");
+ ACPI_FUNCTION_TRACE(rs_get_aml_length);
/* Traverse entire list of internal resource descriptors */
while (resource) {
+
/* Validate the descriptor type */
if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
@@ -214,6 +219,7 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
* is a Large Resource data type.
*/
if (resource->data.vendor.byte_length > 7) {
+
/* Base size of a Large resource descriptor */
total_size =
@@ -332,20 +338,22 @@ acpi_rs_get_list_length(u8 * aml_buffer,
acpi_status status;
u8 *end_aml;
u8 *buffer;
- u32 buffer_size = 0;
+ u32 buffer_size;
u16 temp16;
u16 resource_length;
u32 extra_struct_bytes;
u8 resource_index;
u8 minimum_aml_resource_length;
- ACPI_FUNCTION_TRACE("rs_get_list_length");
+ ACPI_FUNCTION_TRACE(rs_get_list_length);
+ *size_needed = 0;
end_aml = aml_buffer + aml_buffer_length;
/* Walk the list of AML resource descriptors */
while (aml_buffer < end_aml) {
+
/* Validate the Resource Type and Resource Length */
status = acpi_ut_validate_resource(aml_buffer, &resource_index);
@@ -386,35 +394,28 @@ acpi_rs_get_list_length(u8 * aml_buffer,
break;
case ACPI_RESOURCE_NAME_VENDOR_SMALL:
+ case ACPI_RESOURCE_NAME_VENDOR_LARGE:
/*
* Vendor Resource:
- * Ensure a 32-bit boundary for the structure
+ * Get the number of vendor data bytes
*/
- extra_struct_bytes =
- ACPI_ROUND_UP_to_32_bITS(resource_length);
+ extra_struct_bytes = resource_length;
break;
case ACPI_RESOURCE_NAME_END_TAG:
/*
- * End Tag: This is the normal exit, add size of end_tag
+ * End Tag:
+ * This is the normal exit, add size of end_tag
*/
- *size_needed = buffer_size + ACPI_RS_SIZE_MIN;
+ *size_needed += ACPI_RS_SIZE_MIN;
return_ACPI_STATUS(AE_OK);
- case ACPI_RESOURCE_NAME_VENDOR_LARGE:
- /*
- * Vendor Resource:
- * Add vendor data and ensure a 32-bit boundary for the structure
- */
- extra_struct_bytes =
- ACPI_ROUND_UP_to_32_bITS(resource_length);
- break;
-
case ACPI_RESOURCE_NAME_ADDRESS32:
case ACPI_RESOURCE_NAME_ADDRESS16:
+ case ACPI_RESOURCE_NAME_ADDRESS64:
/*
- * 32-Bit or 16-bit Address Resource:
- * Add the size of any optional data (resource_source)
+ * Address Resource:
+ * Add the size of the optional resource_source
*/
extra_struct_bytes =
acpi_rs_stream_option_length(resource_length,
@@ -423,50 +424,46 @@ acpi_rs_get_list_length(u8 * aml_buffer,
case ACPI_RESOURCE_NAME_EXTENDED_IRQ:
/*
- * Extended IRQ:
- * Point past the interrupt_vector_flags to get the
- * interrupt_table_length.
+ * Extended IRQ Resource:
+ * Using the interrupt_table_length, add 4 bytes for each additional
+ * interrupt. Note: at least one interrupt is required and is
+ * included in the minimum descriptor size (reason for the -1)
*/
- buffer++;
+ extra_struct_bytes = (buffer[1] - 1) * sizeof(u32);
- extra_struct_bytes =
- /*
- * Add 4 bytes for each additional interrupt. Note: at
- * least one interrupt is required and is included in
- * the minimum descriptor size
- */
- ((*buffer - 1) * sizeof(u32)) +
- /* Add the size of any optional data (resource_source) */
+ /* Add the size of the optional resource_source */
+
+ extra_struct_bytes +=
acpi_rs_stream_option_length(resource_length -
extra_struct_bytes,
minimum_aml_resource_length);
break;
- case ACPI_RESOURCE_NAME_ADDRESS64:
- /*
- * 64-Bit Address Resource:
- * Add the size of any optional data (resource_source)
- * Ensure a 64-bit boundary for the structure
- */
- extra_struct_bytes =
- ACPI_ROUND_UP_to_64_bITS
- (acpi_rs_stream_option_length
- (resource_length, minimum_aml_resource_length));
- break;
-
default:
break;
}
- /* Update the required buffer size for the internal descriptor structs */
+ /*
+ * Update the required buffer size for the internal descriptor structs
+ *
+ * Important: Round the size up for the appropriate alignment. This
+ * is a requirement on IA64.
+ */
+ buffer_size = acpi_gbl_resource_struct_sizes[resource_index] +
+ extra_struct_bytes;
+ buffer_size = (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(buffer_size);
- temp16 = (u16) (acpi_gbl_resource_struct_sizes[resource_index] +
- extra_struct_bytes);
- buffer_size += (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(temp16);
+ *size_needed += buffer_size;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
+ "Type %.2X, AmlLength %.2X InternalLength %.2X\n",
+ acpi_ut_get_resource_type(aml_buffer),
+ acpi_ut_get_descriptor_length(aml_buffer),
+ buffer_size));
/*
- * Point to the next resource within the stream
- * using the size of the header plus the length contained in the header
+ * Point to the next resource within the AML stream using the length
+ * contained in the resource descriptor header
*/
aml_buffer += acpi_ut_get_descriptor_length(aml_buffer);
}
@@ -506,7 +503,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
u8 name_found;
u32 table_index;
- ACPI_FUNCTION_TRACE("rs_get_pci_routing_table_length");
+ ACPI_FUNCTION_TRACE(rs_get_pci_routing_table_length);
number_of_elements = package_object->package.count;
@@ -523,6 +520,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
top_object_list = package_object->package.elements;
for (index = 0; index < number_of_elements; index++) {
+
/* Dereference the sub-package */
package_element = *top_object_list;
@@ -581,7 +579,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
/* Round up the size since each element must be aligned */
- temp_size_needed = ACPI_ROUND_UP_to_64_bITS(temp_size_needed);
+ temp_size_needed = ACPI_ROUND_UP_TO_64BIT(temp_size_needed);
/* Point to the next union acpi_operand_object */
@@ -589,7 +587,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
}
/*
- * Adding an extra element to the end of the list, essentially a
+ * Add an extra element to the end of the list, essentially a
* NULL terminator
*/
*buffer_size_needed =
diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c
index 8c128dea3252..008058acdd39 100644
--- a/drivers/acpi/resources/rscreate.c
+++ b/drivers/acpi/resources/rscreate.c
@@ -75,10 +75,11 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
u8 *aml_start;
acpi_size list_size_needed = 0;
u32 aml_buffer_length;
+ void *resource;
- ACPI_FUNCTION_TRACE("rs_create_resource_list");
+ ACPI_FUNCTION_TRACE(rs_create_resource_list);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "aml_buffer = %p\n", aml_buffer));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlBuffer = %p\n", aml_buffer));
/* Params already validated, so we don't re-validate here */
@@ -92,7 +93,7 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
status = acpi_rs_get_list_length(aml_start, aml_buffer_length,
&list_size_needed);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Status=%X list_size_needed=%X\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Status=%X ListSizeNeeded=%X\n",
status, (u32) list_size_needed));
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
@@ -107,13 +108,15 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
/* Do the conversion */
- status = acpi_rs_convert_aml_to_resources(aml_start, aml_buffer_length,
- output_buffer->pointer);
+ resource = output_buffer->pointer;
+ status = acpi_ut_walk_aml_resources(aml_start, aml_buffer_length,
+ acpi_rs_convert_aml_to_resources,
+ &resource);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "output_buffer %p Length %X\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
output_buffer->pointer, (u32) output_buffer->length));
return_ACPI_STATUS(AE_OK);
}
@@ -155,7 +158,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
acpi_status status;
struct acpi_buffer path_buffer;
- ACPI_FUNCTION_TRACE("rs_create_pci_routing_table");
+ ACPI_FUNCTION_TRACE(rs_create_pci_routing_table);
/* Params already validated, so we don't re-validate here */
@@ -167,7 +170,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
return_ACPI_STATUS(status);
}
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "buffer_size_needed = %X\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "BufferSizeNeeded = %X\n",
(u32) buffer_size_needed));
/* Validate/Allocate/Clear caller buffer */
@@ -332,7 +335,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
/* Now align the current length */
user_prt->length =
- (u32) ACPI_ROUND_UP_to_64_bITS(user_prt->length);
+ (u32) ACPI_ROUND_UP_TO_64BIT(user_prt->length);
/* 4) Fourth subobject: Dereference the PRT.source_index */
@@ -341,7 +344,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
user_prt->source_index = (u32) obj_desc->integer.value;
} else {
ACPI_ERROR((AE_INFO,
- "(PRT[%X].source_index) Need Integer, found %s",
+ "(PRT[%X].SourceIndex) Need Integer, found %s",
index,
acpi_ut_get_object_type_name(obj_desc)));
return_ACPI_STATUS(AE_BAD_DATA);
@@ -352,7 +355,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
top_object_list++;
}
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "output_buffer %p Length %X\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
output_buffer->pointer, (u32) output_buffer->length));
return_ACPI_STATUS(AE_OK);
}
@@ -382,9 +385,9 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
acpi_status status;
acpi_size aml_size_needed = 0;
- ACPI_FUNCTION_TRACE("rs_create_aml_resources");
+ ACPI_FUNCTION_TRACE(rs_create_aml_resources);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "linked_list_buffer = %p\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "LinkedListBuffer = %p\n",
linked_list_buffer));
/*
@@ -395,7 +398,7 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
*/
status = acpi_rs_get_aml_length(linked_list_buffer, &aml_size_needed);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "aml_size_needed=%X, %s\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n",
(u32) aml_size_needed,
acpi_format_exception(status)));
if (ACPI_FAILURE(status)) {
@@ -419,7 +422,7 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
return_ACPI_STATUS(status);
}
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "output_buffer %p Length %X\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
output_buffer->pointer, (u32) output_buffer->length));
return_ACPI_STATUS(AE_OK);
}
diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/resources/rsdump.c
index e7de061cf883..9c99a723a860 100644
--- a/drivers/acpi/resources/rsdump.c
+++ b/drivers/acpi/resources/rsdump.c
@@ -91,11 +91,11 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table);
struct acpi_rsdump_info acpi_rs_dump_irq[6] = {
{ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_irq), "IRQ", NULL},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.triggering), "Triggering",
- acpi_gbl_HEdecode},
+ acpi_gbl_he_decode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.polarity), "Polarity",
- acpi_gbl_LLdecode},
+ acpi_gbl_ll_decode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.sharable), "Sharing",
- acpi_gbl_SHRdecode},
+ acpi_gbl_shr_decode},
{ACPI_RSD_UINT8, ACPI_RSD_OFFSET(irq.interrupt_count),
"Interrupt Count", NULL},
{ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(irq.interrupts[0]),
@@ -105,11 +105,11 @@ struct acpi_rsdump_info acpi_rs_dump_irq[6] = {
struct acpi_rsdump_info acpi_rs_dump_dma[6] = {
{ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_dma), "DMA", NULL},
{ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.type), "Speed",
- acpi_gbl_TYPdecode},
+ acpi_gbl_typ_decode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(dma.bus_master), "Mastering",
- acpi_gbl_BMdecode},
+ acpi_gbl_bm_decode},
{ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.transfer), "Transfer Type",
- acpi_gbl_SIZdecode},
+ acpi_gbl_siz_decode},
{ACPI_RSD_UINT8, ACPI_RSD_OFFSET(dma.channel_count), "Channel Count",
NULL},
{ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(dma.channels[0]), "Channel List",
@@ -158,7 +158,7 @@ struct acpi_rsdump_info acpi_rs_dump_vendor[3] = {
};
struct acpi_rsdump_info acpi_rs_dump_end_tag[1] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_end_tag), "end_tag",
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_end_tag), "EndTag",
NULL}
};
@@ -166,7 +166,7 @@ struct acpi_rsdump_info acpi_rs_dump_memory24[6] = {
{ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory24),
"24-Bit Memory Range", NULL},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory24.write_protect),
- "Write Protect", acpi_gbl_RWdecode},
+ "Write Protect", acpi_gbl_rw_decode},
{ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.minimum), "Address Minimum",
NULL},
{ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.maximum), "Address Maximum",
@@ -181,7 +181,7 @@ struct acpi_rsdump_info acpi_rs_dump_memory32[6] = {
{ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory32),
"32-Bit Memory Range", NULL},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory32.write_protect),
- "Write Protect", acpi_gbl_RWdecode},
+ "Write Protect", acpi_gbl_rw_decode},
{ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.minimum), "Address Minimum",
NULL},
{ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.maximum), "Address Maximum",
@@ -196,7 +196,7 @@ struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[4] = {
{ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_memory32),
"32-Bit Fixed Memory Range", NULL},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(fixed_memory32.write_protect),
- "Write Protect", acpi_gbl_RWdecode},
+ "Write Protect", acpi_gbl_rw_decode},
{ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address), "Address",
NULL},
{ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address_length),
@@ -278,11 +278,11 @@ struct acpi_rsdump_info acpi_rs_dump_ext_irq[8] = {
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.producer_consumer),
"Type", acpi_gbl_consume_decode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.triggering),
- "Triggering", acpi_gbl_HEdecode},
+ "Triggering", acpi_gbl_he_decode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.polarity), "Polarity",
- acpi_gbl_LLdecode},
+ acpi_gbl_ll_decode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.sharable), "Sharing",
- acpi_gbl_SHRdecode},
+ acpi_gbl_shr_decode},
{ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(extended_irq.resource_source), NULL,
NULL},
{ACPI_RSD_UINT8, ACPI_RSD_OFFSET(extended_irq.interrupt_count),
@@ -314,7 +314,7 @@ static struct acpi_rsdump_info acpi_rs_dump_general_flags[5] = {
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.producer_consumer),
"Consumer/Producer", acpi_gbl_consume_decode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.decode), "Address Decode",
- acpi_gbl_DECdecode},
+ acpi_gbl_dec_decode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.min_address_fixed),
"Min Relocatability", acpi_gbl_min_decode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.max_address_fixed),
@@ -325,24 +325,24 @@ static struct acpi_rsdump_info acpi_rs_dump_memory_flags[5] = {
{ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory_flags),
"Resource Type", (void *)"Memory Range"},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.write_protect),
- "Write Protect", acpi_gbl_RWdecode},
+ "Write Protect", acpi_gbl_rw_decode},
{ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.caching),
- "Caching", acpi_gbl_MEMdecode},
+ "Caching", acpi_gbl_mem_decode},
{ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.range_type),
- "Range Type", acpi_gbl_MTPdecode},
+ "Range Type", acpi_gbl_mtp_decode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.translation),
- "Translation", acpi_gbl_TTPdecode}
+ "Translation", acpi_gbl_ttp_decode}
};
static struct acpi_rsdump_info acpi_rs_dump_io_flags[4] = {
{ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_io_flags),
"Resource Type", (void *)"I/O Range"},
{ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.io.range_type),
- "Range Type", acpi_gbl_RNGdecode},
+ "Range Type", acpi_gbl_rng_decode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation),
- "Translation", acpi_gbl_TTPdecode},
+ "Translation", acpi_gbl_ttp_decode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation_type),
- "Translation Type", acpi_gbl_TRSdecode}
+ "Translation Type", acpi_gbl_trs_decode}
};
/*
diff --git a/drivers/acpi/resources/rsinfo.c b/drivers/acpi/resources/rsinfo.c
index d9ae64b77bd9..9e7ae2f8a1d3 100644
--- a/drivers/acpi/resources/rsinfo.c
+++ b/drivers/acpi/resources/rsinfo.c
@@ -141,6 +141,7 @@ struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[] = {
acpi_rs_dump_generic_reg, /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
};
#endif
+
#endif /* ACPI_FUTURE_USAGE */
/*
* Base sizes for external AML resource descriptors, indexed by internal type.
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c
index 1434e786477e..29423ce030ca 100644
--- a/drivers/acpi/resources/rslist.c
+++ b/drivers/acpi/resources/rslist.c
@@ -51,76 +51,62 @@ ACPI_MODULE_NAME("rslist")
*
* FUNCTION: acpi_rs_convert_aml_to_resources
*
- * PARAMETERS: Aml - Pointer to the resource byte stream
- * aml_length - Length of Aml
- * output_buffer - Pointer to the buffer that will
- * contain the output structures
+ * PARAMETERS: acpi_walk_aml_callback
+ * resource_ptr - Pointer to the buffer that will
+ * contain the output structures
*
* RETURN: Status
*
- * DESCRIPTION: Takes the resource byte stream and parses it, creating a
- * linked list of resources in the caller's output buffer
+ * DESCRIPTION: Convert an AML resource to an internal representation of the
+ * resource that is aligned and easier to access.
*
******************************************************************************/
acpi_status
-acpi_rs_convert_aml_to_resources(u8 * aml, u32 aml_length, u8 * output_buffer)
+acpi_rs_convert_aml_to_resources(u8 * aml,
+ u32 length,
+ u32 offset, u8 resource_index, void **context)
{
- struct acpi_resource *resource = (void *)output_buffer;
+ struct acpi_resource **resource_ptr =
+ ACPI_CAST_INDIRECT_PTR(struct acpi_resource, context);
+ struct acpi_resource *resource;
acpi_status status;
- u8 resource_index;
- u8 *end_aml;
-
- ACPI_FUNCTION_TRACE("rs_convert_aml_to_resources");
-
- end_aml = aml + aml_length;
-
- /* Loop until end-of-buffer or an end_tag is found */
-
- while (aml < end_aml) {
- /* Validate the Resource Type and Resource Length */
-
- status = acpi_ut_validate_resource(aml, &resource_index);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- /* Convert the AML byte stream resource to a local resource struct */
-
- status =
- acpi_rs_convert_aml_to_resource(resource,
- ACPI_CAST_PTR(union
- aml_resource,
- aml),
- acpi_gbl_get_resource_dispatch
- [resource_index]);
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status,
- "Could not convert AML resource (Type %X)",
- *aml));
- return_ACPI_STATUS(status);
- }
+ ACPI_FUNCTION_TRACE(rs_convert_aml_to_resources);
- /* Normal exit on completion of an end_tag resource descriptor */
-
- if (acpi_ut_get_resource_type(aml) ==
- ACPI_RESOURCE_NAME_END_TAG) {
- return_ACPI_STATUS(AE_OK);
- }
-
- /* Point to the next input AML resource */
-
- aml += acpi_ut_get_descriptor_length(aml);
-
- /* Point to the next structure in the output buffer */
+ /*
+ * Check that the input buffer and all subsequent pointers into it
+ * are aligned on a native word boundary. Most important on IA64
+ */
+ resource = *resource_ptr;
+ if (ACPI_IS_MISALIGNED(resource)) {
+ ACPI_WARNING((AE_INFO,
+ "Misaligned resource pointer %p", resource));
+ }
- resource =
- ACPI_ADD_PTR(struct acpi_resource, resource,
- resource->length);
+ /* Convert the AML byte stream resource to a local resource struct */
+
+ status =
+ acpi_rs_convert_aml_to_resource(resource,
+ ACPI_CAST_PTR(union aml_resource,
+ aml),
+ acpi_gbl_get_resource_dispatch
+ [resource_index]);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not convert AML resource (Type %X)",
+ *aml));
+ return_ACPI_STATUS(status);
}
- /* Did not find an end_tag resource descriptor */
+ ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
+ "Type %.2X, AmlLength %.2X InternalLength %.2X\n",
+ acpi_ut_get_resource_type(aml), length,
+ resource->length));
- return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
+ /* Point to the next structure in the output buffer */
+
+ *resource_ptr = ACPI_ADD_PTR(void, resource, resource->length);
+ return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
@@ -150,11 +136,12 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
u8 *end_aml = output_buffer + aml_size_needed;
acpi_status status;
- ACPI_FUNCTION_TRACE("rs_convert_resources_to_aml");
+ ACPI_FUNCTION_TRACE(rs_convert_resources_to_aml);
/* Walk the resource descriptor list, convert each descriptor */
while (aml < end_aml) {
+
/* Validate the (internal) Resource Type */
if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
@@ -191,6 +178,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
/* Check for end-of-list, normal exit */
if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
+
/* An End Tag indicates the end of the input Resource Template */
return_ACPI_STATUS(AE_OK);
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c
index ed866cf1c6d2..faf6e106b785 100644
--- a/drivers/acpi/resources/rsmisc.c
+++ b/drivers/acpi/resources/rsmisc.c
@@ -81,9 +81,10 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
u16 item_count = 0;
u16 temp16 = 0;
- ACPI_FUNCTION_TRACE("rs_get_resource");
+ ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource);
if (((acpi_native_uint) resource) & 0x3) {
+
/* Each internal resource struct is expected to be 32-bit aligned */
ACPI_WARNING((AE_INFO,
@@ -295,9 +296,11 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
exit:
if (!flags_mode) {
- /* Round the resource struct length up to the next 32-bit boundary */
- resource->length = ACPI_ROUND_UP_to_32_bITS(resource->length);
+ /* Round the resource struct length up to the next boundary (32 or 64) */
+
+ resource->length =
+ (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length);
}
return_ACPI_STATUS(AE_OK);
}
@@ -329,7 +332,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
u16 temp16 = 0;
u16 item_count = 0;
- ACPI_FUNCTION_TRACE("rs_convert_resource_to_aml");
+ ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml);
/*
* First table entry must be ACPI_RSC_INITxxx and must contain the
@@ -535,6 +538,7 @@ if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) {
resource->data.extended_irq.interrupt_count = temp8;
if (temp8 < 1) {
+
/* Must have at least one IRQ */
return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/resources/rsutils.c
index 25b5aedd6612..a9cbee8e8b44 100644
--- a/drivers/acpi/resources/rsutils.c
+++ b/drivers/acpi/resources/rsutils.c
@@ -205,6 +205,7 @@ acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
/* Length is stored differently for large and small descriptors */
if (aml->small_header.descriptor_type & ACPI_RESOURCE_NAME_LARGE) {
+
/* Large descriptor -- bytes 1-2 contain the 16-bit length */
ACPI_MOVE_16_TO_16(&aml->large_header.resource_length,
@@ -298,7 +299,8 @@ static u16 acpi_rs_strcpy(char *destination, char *source)
* string_ptr - (optional) where to store the actual
* resource_source string
*
- * RETURN: Length of the string plus NULL terminator, rounded up to 32 bit
+ * RETURN: Length of the string plus NULL terminator, rounded up to native
+ * word boundary
*
* DESCRIPTION: Copy the optional resource_source data from a raw AML descriptor
* to an internal resource descriptor
@@ -328,6 +330,7 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
* we add 1 to the minimum length.
*/
if (total_length > (acpi_rsdesc_size) (minimum_length + 1)) {
+
/* Get the resource_source_index */
resource_source->index = aml_resource_source[0];
@@ -344,23 +347,26 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
}
/*
- * In order for the struct_size to fall on a 32-bit boundary, calculate
- * the length of the string (+1 for the NULL terminator) and expand the
- * struct_size to the next 32-bit boundary.
+ * In order for the Resource length to be a multiple of the native
+ * word, calculate the length of the string (+1 for NULL terminator)
+ * and expand to the next word multiple.
*
* Zero the entire area of the buffer.
*/
total_length =
- ACPI_ROUND_UP_to_32_bITS(ACPI_STRLEN
- ((char *)&aml_resource_source[1]) +
- 1);
+ (u32)
+ ACPI_STRLEN(ACPI_CAST_PTR(char, &aml_resource_source[1])) +
+ 1;
+ total_length = (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(total_length);
+
ACPI_MEMSET(resource_source->string_ptr, 0, total_length);
/* Copy the resource_source string to the destination */
resource_source->string_length =
acpi_rs_strcpy(resource_source->string_ptr,
- (char *)&aml_resource_source[1]);
+ ACPI_CAST_PTR(char,
+ &aml_resource_source[1]));
return ((acpi_rs_length) total_length);
}
@@ -405,6 +411,7 @@ acpi_rs_set_resource_source(union aml_resource * aml,
/* Non-zero string length indicates presence of a resource_source */
if (resource_source->string_length) {
+
/* Point to the end of the AML descriptor */
aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length);
@@ -415,7 +422,7 @@ acpi_rs_set_resource_source(union aml_resource * aml,
/* Copy the resource_source string */
- ACPI_STRCPY((char *)&aml_resource_source[1],
+ ACPI_STRCPY(ACPI_CAST_PTR(char, &aml_resource_source[1]),
resource_source->string_ptr);
/*
@@ -435,9 +442,9 @@ acpi_rs_set_resource_source(union aml_resource * aml,
*
* FUNCTION: acpi_rs_get_prt_method_data
*
- * PARAMETERS: Handle - a handle to the containing object
- * ret_buffer - a pointer to a buffer structure for the
- * results
+ * PARAMETERS: Node - Device node
+ * ret_buffer - Pointer to a buffer structure for the
+ * results
*
* RETURN: Status
*
@@ -450,18 +457,19 @@ acpi_rs_set_resource_source(union aml_resource * aml,
******************************************************************************/
acpi_status
-acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer * ret_buffer)
+acpi_rs_get_prt_method_data(struct acpi_namespace_node * node,
+ struct acpi_buffer * ret_buffer)
{
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("rs_get_prt_method_data");
+ ACPI_FUNCTION_TRACE(rs_get_prt_method_data);
/* Parameters guaranteed valid by caller */
/* Execute the method, no parameters */
- status = acpi_ut_evaluate_object(handle, METHOD_NAME__PRT,
+ status = acpi_ut_evaluate_object(node, METHOD_NAME__PRT,
ACPI_BTYPE_PACKAGE, &obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
@@ -483,9 +491,9 @@ acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer * ret_buffer)
*
* FUNCTION: acpi_rs_get_crs_method_data
*
- * PARAMETERS: Handle - a handle to the containing object
- * ret_buffer - a pointer to a buffer structure for the
- * results
+ * PARAMETERS: Node - Device node
+ * ret_buffer - Pointer to a buffer structure for the
+ * results
*
* RETURN: Status
*
@@ -498,18 +506,19 @@ acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer * ret_buffer)
******************************************************************************/
acpi_status
-acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
+acpi_rs_get_crs_method_data(struct acpi_namespace_node *node,
+ struct acpi_buffer *ret_buffer)
{
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("rs_get_crs_method_data");
+ ACPI_FUNCTION_TRACE(rs_get_crs_method_data);
/* Parameters guaranteed valid by caller */
/* Execute the method, no parameters */
- status = acpi_ut_evaluate_object(handle, METHOD_NAME__CRS,
+ status = acpi_ut_evaluate_object(node, METHOD_NAME__CRS,
ACPI_BTYPE_BUFFER, &obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
@@ -522,7 +531,7 @@ acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
*/
status = acpi_rs_create_resource_list(obj_desc, ret_buffer);
- /* on exit, we must delete the object returned by evaluate_object */
+ /* On exit, we must delete the object returned by evaluate_object */
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
@@ -532,9 +541,9 @@ acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
*
* FUNCTION: acpi_rs_get_prs_method_data
*
- * PARAMETERS: Handle - a handle to the containing object
- * ret_buffer - a pointer to a buffer structure for the
- * results
+ * PARAMETERS: Node - Device node
+ * ret_buffer - Pointer to a buffer structure for the
+ * results
*
* RETURN: Status
*
@@ -548,18 +557,19 @@ acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
#ifdef ACPI_FUTURE_USAGE
acpi_status
-acpi_rs_get_prs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
+acpi_rs_get_prs_method_data(struct acpi_namespace_node *node,
+ struct acpi_buffer *ret_buffer)
{
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("rs_get_prs_method_data");
+ ACPI_FUNCTION_TRACE(rs_get_prs_method_data);
/* Parameters guaranteed valid by caller */
/* Execute the method, no parameters */
- status = acpi_ut_evaluate_object(handle, METHOD_NAME__PRS,
+ status = acpi_ut_evaluate_object(node, METHOD_NAME__PRS,
ACPI_BTYPE_BUFFER, &obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
@@ -572,7 +582,7 @@ acpi_rs_get_prs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
*/
status = acpi_rs_create_resource_list(obj_desc, ret_buffer);
- /* on exit, we must delete the object returned by evaluate_object */
+ /* On exit, we must delete the object returned by evaluate_object */
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
@@ -583,10 +593,10 @@ acpi_rs_get_prs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
*
* FUNCTION: acpi_rs_get_method_data
*
- * PARAMETERS: Handle - a handle to the containing object
+ * PARAMETERS: Handle - Handle to the containing object
* Path - Path to method, relative to Handle
- * ret_buffer - a pointer to a buffer structure for the
- * results
+ * ret_buffer - Pointer to a buffer structure for the
+ * results
*
* RETURN: Status
*
@@ -605,7 +615,7 @@ acpi_rs_get_method_data(acpi_handle handle,
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("rs_get_method_data");
+ ACPI_FUNCTION_TRACE(rs_get_method_data);
/* Parameters guaranteed valid by caller */
@@ -634,9 +644,9 @@ acpi_rs_get_method_data(acpi_handle handle,
*
* FUNCTION: acpi_rs_set_srs_method_data
*
- * PARAMETERS: Handle - a handle to the containing object
- * in_buffer - a pointer to a buffer structure of the
- * parameter
+ * PARAMETERS: Node - Device node
+ * in_buffer - Pointer to a buffer structure of the
+ * parameter
*
* RETURN: Status
*
@@ -646,23 +656,37 @@ acpi_rs_get_method_data(acpi_handle handle,
* If the function fails an appropriate status will be returned
* and the contents of the callers buffer is undefined.
*
+ * Note: Parameters guaranteed valid by caller
+ *
******************************************************************************/
acpi_status
-acpi_rs_set_srs_method_data(acpi_handle handle, struct acpi_buffer *in_buffer)
+acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
+ struct acpi_buffer *in_buffer)
{
- struct acpi_parameter_info info;
- union acpi_operand_object *params[2];
+ struct acpi_evaluate_info *info;
+ union acpi_operand_object *args[2];
acpi_status status;
struct acpi_buffer buffer;
- ACPI_FUNCTION_TRACE("rs_set_srs_method_data");
+ ACPI_FUNCTION_TRACE(rs_set_srs_method_data);
- /* Parameters guaranteed valid by caller */
+ /* Allocate and initialize the evaluation information block */
+
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ info->prefix_node = node;
+ info->pathname = METHOD_NAME__SRS;
+ info->parameters = args;
+ info->parameter_type = ACPI_PARAM_ARGS;
+ info->flags = ACPI_IGNORE_RETURN_VALUE;
/*
* The in_buffer parameter will point to a linked list of
- * resource parameters. It needs to be formatted into a
+ * resource parameters. It needs to be formatted into a
* byte stream to be sent in as an input parameter to _SRS
*
* Convert the linked list into a byte stream
@@ -670,41 +694,36 @@ acpi_rs_set_srs_method_data(acpi_handle handle, struct acpi_buffer *in_buffer)
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
status = acpi_rs_create_aml_resources(in_buffer->pointer, &buffer);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ goto cleanup;
}
- /* Init the param object */
+ /* Create and initialize the method parameter object */
- params[0] = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER);
- if (!params[0]) {
- acpi_os_free(buffer.pointer);
- return_ACPI_STATUS(AE_NO_MEMORY);
+ args[0] = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER);
+ if (!args[0]) {
+ /*
+ * Must free the buffer allocated above (otherwise it is freed
+ * later)
+ */
+ ACPI_FREE(buffer.pointer);
+ status = AE_NO_MEMORY;
+ goto cleanup;
}
- /* Set up the parameter object */
-
- params[0]->buffer.length = (u32) buffer.length;
- params[0]->buffer.pointer = buffer.pointer;
- params[0]->common.flags = AOPOBJ_DATA_VALID;
- params[1] = NULL;
-
- info.node = handle;
- info.parameters = params;
- info.parameter_type = ACPI_PARAM_ARGS;
+ args[0]->buffer.length = (u32) buffer.length;
+ args[0]->buffer.pointer = buffer.pointer;
+ args[0]->common.flags = AOPOBJ_DATA_VALID;
+ args[1] = NULL;
- /* Execute the method, no return value */
+ /* Execute the method, no return value is expected */
- status = acpi_ns_evaluate_relative(METHOD_NAME__SRS, &info);
- if (ACPI_SUCCESS(status)) {
- /* Delete any return object (especially if implicit_return is enabled) */
+ status = acpi_ns_evaluate(info);
- if (info.return_object) {
- acpi_ut_remove_reference(info.return_object);
- }
- }
+ /* Clean up and return the status from acpi_ns_evaluate */
- /* Clean up and return the status from acpi_ns_evaluate_relative */
+ acpi_ut_remove_reference(args[0]);
- acpi_ut_remove_reference(params[0]);
+ cleanup:
+ ACPI_FREE(info);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/resources/rsxface.c b/drivers/acpi/resources/rsxface.c
index 88b67077aeeb..1999e2ab7daa 100644
--- a/drivers/acpi/resources/rsxface.c
+++ b/drivers/acpi/resources/rsxface.c
@@ -41,10 +41,9 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acresrc.h>
+#include <acpi/acnamesp.h>
#define _COMPONENT ACPI_RESOURCES
ACPI_MODULE_NAME("rsxface")
@@ -68,312 +67,262 @@ ACPI_MODULE_NAME("rsxface")
static acpi_status
acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context);
+static acpi_status
+acpi_rs_validate_parameters(acpi_handle device_handle,
+ struct acpi_buffer *buffer,
+ struct acpi_namespace_node **return_node);
+
/*******************************************************************************
*
- * FUNCTION: acpi_get_irq_routing_table
+ * FUNCTION: acpi_rs_validate_parameters
*
- * PARAMETERS: device_handle - a handle to the Bus device we are querying
- * ret_buffer - a pointer to a buffer to receive the
- * current resources for the device
+ * PARAMETERS: device_handle - Handle to a device
+ * Buffer - Pointer to a data buffer
+ * return_node - Pointer to where the device node is returned
*
* RETURN: Status
*
- * DESCRIPTION: This function is called to get the IRQ routing table for a
- * specific bus. The caller must first acquire a handle for the
- * desired bus. The routine table is placed in the buffer pointed
- * to by the ret_buffer variable parameter.
- *
- * If the function fails an appropriate status will be returned
- * and the value of ret_buffer is undefined.
- *
- * This function attempts to execute the _PRT method contained in
- * the object indicated by the passed device_handle.
+ * DESCRIPTION: Common parameter validation for resource interfaces
*
******************************************************************************/
-acpi_status
-acpi_get_irq_routing_table(acpi_handle device_handle,
- struct acpi_buffer *ret_buffer)
+static acpi_status
+acpi_rs_validate_parameters(acpi_handle device_handle,
+ struct acpi_buffer *buffer,
+ struct acpi_namespace_node **return_node)
{
acpi_status status;
+ struct acpi_namespace_node *node;
- ACPI_FUNCTION_TRACE("acpi_get_irq_routing_table ");
+ ACPI_FUNCTION_TRACE(rs_validate_parameters);
/*
- * Must have a valid handle and buffer, So we have to have a handle
- * and a return buffer structure, and if there is a non-zero buffer length
- * we also need a valid pointer in the buffer. If it's a zero buffer length,
- * we'll be returning the needed buffer size, so keep going.
+ * Must have a valid handle to an ACPI device
*/
if (!device_handle) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- status = acpi_ut_validate_buffer(ret_buffer);
+ node = acpi_ns_map_handle_to_node(device_handle);
+ if (!node) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ if (node->type != ACPI_TYPE_DEVICE) {
+ return_ACPI_STATUS(AE_TYPE);
+ }
+
+ /*
+ * Validate the user buffer object
+ *
+ * if there is a non-zero buffer length we also need a valid pointer in
+ * the buffer. If it's a zero buffer length, we'll be returning the
+ * needed buffer size (later), so keep going.
+ */
+ status = acpi_ut_validate_buffer(buffer);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- status = acpi_rs_get_prt_method_data(device_handle, ret_buffer);
- return_ACPI_STATUS(status);
+ *return_node = node;
+ return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
- * FUNCTION: acpi_get_current_resources
+ * FUNCTION: acpi_get_irq_routing_table
*
- * PARAMETERS: device_handle - a handle to the device object for the
- * device we are querying
- * ret_buffer - a pointer to a buffer to receive the
+ * PARAMETERS: device_handle - Handle to the Bus device we are querying
+ * ret_buffer - Pointer to a buffer to receive the
* current resources for the device
*
* RETURN: Status
*
- * DESCRIPTION: This function is called to get the current resources for a
- * specific device. The caller must first acquire a handle for
- * the desired device. The resource data is placed in the buffer
- * pointed to by the ret_buffer variable parameter.
+ * DESCRIPTION: This function is called to get the IRQ routing table for a
+ * specific bus. The caller must first acquire a handle for the
+ * desired bus. The routine table is placed in the buffer pointed
+ * to by the ret_buffer variable parameter.
*
* If the function fails an appropriate status will be returned
* and the value of ret_buffer is undefined.
*
- * This function attempts to execute the _CRS method contained in
+ * This function attempts to execute the _PRT method contained in
* the object indicated by the passed device_handle.
*
******************************************************************************/
acpi_status
-acpi_get_current_resources(acpi_handle device_handle,
+acpi_get_irq_routing_table(acpi_handle device_handle,
struct acpi_buffer *ret_buffer)
{
acpi_status status;
+ struct acpi_namespace_node *node;
- ACPI_FUNCTION_TRACE("acpi_get_current_resources");
+ ACPI_FUNCTION_TRACE(acpi_get_irq_routing_table);
- /*
- * Must have a valid handle and buffer, So we have to have a handle
- * and a return buffer structure, and if there is a non-zero buffer length
- * we also need a valid pointer in the buffer. If it's a zero buffer length,
- * we'll be returning the needed buffer size, so keep going.
- */
- if (!device_handle) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
+ /* Validate parameters then dispatch to internal routine */
- status = acpi_ut_validate_buffer(ret_buffer);
+ status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- status = acpi_rs_get_crs_method_data(device_handle, ret_buffer);
+ status = acpi_rs_get_prt_method_data(node, ret_buffer);
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_get_current_resources);
+ACPI_EXPORT_SYMBOL(acpi_get_irq_routing_table)
/*******************************************************************************
*
- * FUNCTION: acpi_get_possible_resources
+ * FUNCTION: acpi_get_current_resources
*
- * PARAMETERS: device_handle - a handle to the device object for the
+ * PARAMETERS: device_handle - Handle to the device object for the
* device we are querying
- * ret_buffer - a pointer to a buffer to receive the
- * resources for the device
+ * ret_buffer - Pointer to a buffer to receive the
+ * current resources for the device
*
* RETURN: Status
*
- * DESCRIPTION: This function is called to get a list of the possible resources
- * for a specific device. The caller must first acquire a handle
- * for the desired device. The resource data is placed in the
- * buffer pointed to by the ret_buffer variable.
+ * DESCRIPTION: This function is called to get the current resources for a
+ * specific device. The caller must first acquire a handle for
+ * the desired device. The resource data is placed in the buffer
+ * pointed to by the ret_buffer variable parameter.
*
* If the function fails an appropriate status will be returned
* and the value of ret_buffer is undefined.
*
+ * This function attempts to execute the _CRS method contained in
+ * the object indicated by the passed device_handle.
+ *
******************************************************************************/
-
-#ifdef ACPI_FUTURE_USAGE
acpi_status
-acpi_get_possible_resources(acpi_handle device_handle,
- struct acpi_buffer *ret_buffer)
+acpi_get_current_resources(acpi_handle device_handle,
+ struct acpi_buffer *ret_buffer)
{
acpi_status status;
+ struct acpi_namespace_node *node;
- ACPI_FUNCTION_TRACE("acpi_get_possible_resources");
+ ACPI_FUNCTION_TRACE(acpi_get_current_resources);
- /*
- * Must have a valid handle and buffer, So we have to have a handle
- * and a return buffer structure, and if there is a non-zero buffer length
- * we also need a valid pointer in the buffer. If it's a zero buffer length,
- * we'll be returning the needed buffer size, so keep going.
- */
- if (!device_handle) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
+ /* Validate parameters then dispatch to internal routine */
- status = acpi_ut_validate_buffer(ret_buffer);
+ status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- status = acpi_rs_get_prs_method_data(device_handle, ret_buffer);
+ status = acpi_rs_get_crs_method_data(node, ret_buffer);
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_get_possible_resources);
-#endif /* ACPI_FUTURE_USAGE */
+ACPI_EXPORT_SYMBOL(acpi_get_current_resources)
+#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
*
- * FUNCTION: acpi_walk_resources
+ * FUNCTION: acpi_get_possible_resources
*
* PARAMETERS: device_handle - Handle to the device object for the
* device we are querying
- * Name - Method name of the resources we want
- * (METHOD_NAME__CRS or METHOD_NAME__PRS)
- * user_function - Called for each resource
- * Context - Passed to user_function
+ * ret_buffer - Pointer to a buffer to receive the
+ * resources for the device
*
* RETURN: Status
*
- * DESCRIPTION: Retrieves the current or possible resource list for the
- * specified device. The user_function is called once for
- * each resource in the list.
+ * DESCRIPTION: This function is called to get a list of the possible resources
+ * for a specific device. The caller must first acquire a handle
+ * for the desired device. The resource data is placed in the
+ * buffer pointed to by the ret_buffer variable.
+ *
+ * If the function fails an appropriate status will be returned
+ * and the value of ret_buffer is undefined.
*
******************************************************************************/
-
acpi_status
-acpi_walk_resources(acpi_handle device_handle,
- char *name,
- ACPI_WALK_RESOURCE_CALLBACK user_function, void *context)
+acpi_get_possible_resources(acpi_handle device_handle,
+ struct acpi_buffer *ret_buffer)
{
acpi_status status;
- struct acpi_buffer buffer;
- struct acpi_resource *resource;
- struct acpi_resource *resource_end;
-
- ACPI_FUNCTION_TRACE("acpi_walk_resources");
-
- /* Parameter validation */
+ struct acpi_namespace_node *node;
- if (!device_handle || !user_function || !name ||
- (ACPI_STRNCMP(name, METHOD_NAME__CRS, sizeof(METHOD_NAME__CRS)) &&
- ACPI_STRNCMP(name, METHOD_NAME__PRS, sizeof(METHOD_NAME__PRS)))) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
+ ACPI_FUNCTION_TRACE(acpi_get_possible_resources);
- /* Get the _CRS or _PRS resource list */
+ /* Validate parameters then dispatch to internal routine */
- buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
- status = acpi_rs_get_method_data(device_handle, name, &buffer);
+ status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- /* Buffer now contains the resource list */
-
- resource = ACPI_CAST_PTR(struct acpi_resource, buffer.pointer);
- resource_end =
- ACPI_ADD_PTR(struct acpi_resource, buffer.pointer, buffer.length);
-
- /* Walk the resource list until the end_tag is found (or buffer end) */
-
- while (resource < resource_end) {
- /* Sanity check the resource */
-
- if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
- status = AE_AML_INVALID_RESOURCE_TYPE;
- break;
- }
-
- /* Invoke the user function, abort on any error returned */
-
- status = user_function(resource, context);
- if (ACPI_FAILURE(status)) {
- if (status == AE_CTRL_TERMINATE) {
- /* This is an OK termination by the user function */
-
- status = AE_OK;
- }
- break;
- }
-
- /* end_tag indicates end-of-list */
-
- if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
- break;
- }
-
- /* Get the next resource descriptor */
-
- resource =
- ACPI_ADD_PTR(struct acpi_resource, resource,
- resource->length);
- }
-
- ACPI_MEM_FREE(buffer.pointer);
+ status = acpi_rs_get_prs_method_data(node, ret_buffer);
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_walk_resources);
+ACPI_EXPORT_SYMBOL(acpi_get_possible_resources)
+#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
*
* FUNCTION: acpi_set_current_resources
*
- * PARAMETERS: device_handle - a handle to the device object for the
- * device we are changing the resources of
- * in_buffer - a pointer to a buffer containing the
+ * PARAMETERS: device_handle - Handle to the device object for the
+ * device we are setting resources
+ * in_buffer - Pointer to a buffer containing the
* resources to be set for the device
*
* RETURN: Status
*
* DESCRIPTION: This function is called to set the current resources for a
- * specific device. The caller must first acquire a handle for
- * the desired device. The resource data is passed to the routine
+ * specific device. The caller must first acquire a handle for
+ * the desired device. The resource data is passed to the routine
* the buffer pointed to by the in_buffer variable.
*
******************************************************************************/
-
acpi_status
acpi_set_current_resources(acpi_handle device_handle,
struct acpi_buffer *in_buffer)
{
acpi_status status;
+ struct acpi_namespace_node *node;
- ACPI_FUNCTION_TRACE("acpi_set_current_resources");
+ ACPI_FUNCTION_TRACE(acpi_set_current_resources);
- /* Must have a valid handle and buffer */
+ /* Validate the buffer, don't allow zero length */
- if ((!device_handle) ||
- (!in_buffer) || (!in_buffer->pointer) || (!in_buffer->length)) {
+ if ((!in_buffer) || (!in_buffer->pointer) || (!in_buffer->length)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- status = acpi_rs_set_srs_method_data(device_handle, in_buffer);
+ /* Validate parameters then dispatch to internal routine */
+
+ status = acpi_rs_validate_parameters(device_handle, in_buffer, &node);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status = acpi_rs_set_srs_method_data(node, in_buffer);
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_set_current_resources);
+ACPI_EXPORT_SYMBOL(acpi_set_current_resources)
/******************************************************************************
*
* FUNCTION: acpi_resource_to_address64
*
- * PARAMETERS: Resource - Pointer to a resource
- * Out - Pointer to the users's return
- * buffer (a struct
- * struct acpi_resource_address64)
+ * PARAMETERS: Resource - Pointer to a resource
+ * Out - Pointer to the users's return buffer
+ * (a struct acpi_resource_address64)
*
* RETURN: Status
*
* DESCRIPTION: If the resource is an address16, address32, or address64,
- * copy it to the address64 return buffer. This saves the
+ * copy it to the address64 return buffer. This saves the
* caller from having to duplicate code for different-sized
* addresses.
*
******************************************************************************/
-
acpi_status
acpi_resource_to_address64(struct acpi_resource *resource,
struct acpi_resource_address64 *out)
@@ -415,18 +364,18 @@ acpi_resource_to_address64(struct acpi_resource *resource,
return (AE_OK);
}
-EXPORT_SYMBOL(acpi_resource_to_address64);
+ACPI_EXPORT_SYMBOL(acpi_resource_to_address64)
/*******************************************************************************
*
* FUNCTION: acpi_get_vendor_resource
*
- * PARAMETERS: device_handle - Handle for the parent device object
- * Name - Method name for the parent resource
- * (METHOD_NAME__CRS or METHOD_NAME__PRS)
- * Uuid - Pointer to the UUID to be matched.
- * includes both subtype and 16-byte UUID
- * ret_buffer - Where the vendor resource is returned
+ * PARAMETERS: device_handle - Handle for the parent device object
+ * Name - Method name for the parent resource
+ * (METHOD_NAME__CRS or METHOD_NAME__PRS)
+ * Uuid - Pointer to the UUID to be matched.
+ * includes both subtype and 16-byte UUID
+ * ret_buffer - Where the vendor resource is returned
*
* RETURN: Status
*
@@ -435,7 +384,6 @@ EXPORT_SYMBOL(acpi_resource_to_address64);
* UUID subtype. Returns a struct acpi_resource of type Vendor.
*
******************************************************************************/
-
acpi_status
acpi_get_vendor_resource(acpi_handle device_handle,
char *name,
@@ -467,18 +415,19 @@ acpi_get_vendor_resource(acpi_handle device_handle,
return (info.status);
}
+ACPI_EXPORT_SYMBOL(acpi_get_vendor_resource)
+
/*******************************************************************************
*
* FUNCTION: acpi_rs_match_vendor_resource
*
- * PARAMETERS: ACPI_WALK_RESOURCE_CALLBACK
+ * PARAMETERS: acpi_walk_resource_callback
*
* RETURN: Status
*
* DESCRIPTION: Match a vendor resource via the ACPI 3.0 UUID
*
******************************************************************************/
-
static acpi_status
acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context)
{
@@ -526,3 +475,101 @@ acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context)
info->status = AE_OK;
return (AE_CTRL_TERMINATE);
}
+
+ACPI_EXPORT_SYMBOL(acpi_rs_match_vendor_resource)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_walk_resources
+ *
+ * PARAMETERS: device_handle - Handle to the device object for the
+ * device we are querying
+ * Name - Method name of the resources we want
+ * (METHOD_NAME__CRS or METHOD_NAME__PRS)
+ * user_function - Called for each resource
+ * Context - Passed to user_function
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Retrieves the current or possible resource list for the
+ * specified device. The user_function is called once for
+ * each resource in the list.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_walk_resources(acpi_handle device_handle,
+ char *name,
+ acpi_walk_resource_callback user_function, void *context)
+{
+ acpi_status status;
+ struct acpi_buffer buffer;
+ struct acpi_resource *resource;
+ struct acpi_resource *resource_end;
+
+ ACPI_FUNCTION_TRACE(acpi_walk_resources);
+
+ /* Parameter validation */
+
+ if (!device_handle || !user_function || !name ||
+ (!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) &&
+ !ACPI_COMPARE_NAME(name, METHOD_NAME__PRS))) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Get the _CRS or _PRS resource list */
+
+ buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+ status = acpi_rs_get_method_data(device_handle, name, &buffer);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Buffer now contains the resource list */
+
+ resource = ACPI_CAST_PTR(struct acpi_resource, buffer.pointer);
+ resource_end =
+ ACPI_ADD_PTR(struct acpi_resource, buffer.pointer, buffer.length);
+
+ /* Walk the resource list until the end_tag is found (or buffer end) */
+
+ while (resource < resource_end) {
+
+ /* Sanity check the resource */
+
+ if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
+ status = AE_AML_INVALID_RESOURCE_TYPE;
+ break;
+ }
+
+ /* Invoke the user function, abort on any error returned */
+
+ status = user_function(resource, context);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_CTRL_TERMINATE) {
+
+ /* This is an OK termination by the user function */
+
+ status = AE_OK;
+ }
+ break;
+ }
+
+ /* end_tag indicates end-of-list */
+
+ if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
+ break;
+ }
+
+ /* Get the next resource descriptor */
+
+ resource =
+ ACPI_ADD_PTR(struct acpi_resource, resource,
+ resource->length);
+ }
+
+ ACPI_FREE(buffer.pointer);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_walk_resources)
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index a0ab828b2cc5..f8316a05ede7 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -142,7 +142,7 @@ static void acpi_device_register(struct acpi_device *device,
create_sysfs_device_files(device);
}
-static int acpi_device_unregister(struct acpi_device *device, int type)
+static void acpi_device_unregister(struct acpi_device *device, int type)
{
spin_lock(&acpi_device_lock);
if (device->parent) {
@@ -158,7 +158,6 @@ static int acpi_device_unregister(struct acpi_device *device, int type)
acpi_detach_data(device->handle, acpi_bus_data_handler);
remove_sysfs_device_files(device);
kobject_unregister(&device->kobj);
- return 0;
}
void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context)
@@ -234,12 +233,9 @@ static int acpi_bus_get_power_flags(struct acpi_device *device)
int acpi_match_ids(struct acpi_device *device, char *ids)
{
- int error = 0;
- struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
-
if (device->flags.hardware_id)
if (strstr(ids, device->pnp.hardware_id))
- goto Done;
+ return 0;
if (device->flags.compatible_ids) {
struct acpi_compatible_id_list *cid_list = device->pnp.cid_list;
@@ -248,15 +244,10 @@ int acpi_match_ids(struct acpi_device *device, char *ids)
/* compare multiple _CID entries against driver ids */
for (i = 0; i < cid_list->count; i++) {
if (strstr(ids, cid_list->id[i].value))
- goto Done;
+ return 0;
}
}
- error = -ENOENT;
-
- Done:
- if (buffer.pointer)
- acpi_os_free(buffer.pointer);
- return error;
+ return -ENOENT;
}
static acpi_status
@@ -441,10 +432,7 @@ acpi_eject_store(struct acpi_device *device, const char *buf, size_t count)
islockable = device->flags.lockable;
handle = device->handle;
- if (type == ACPI_TYPE_PROCESSOR)
- result = acpi_bus_trim(device, 0);
- else
- result = acpi_bus_trim(device, 1);
+ result = acpi_bus_trim(device, 1);
if (!result)
result = acpi_eject_operation(handle, islockable);
@@ -471,7 +459,6 @@ static int acpi_bus_get_perf_flags(struct acpi_device *device)
-------------------------------------------------------------------------- */
static LIST_HEAD(acpi_bus_drivers);
-static DECLARE_MUTEX(acpi_bus_drivers_lock);
/**
* acpi_bus_match - match device IDs to driver's supported IDs
@@ -548,10 +535,9 @@ static int acpi_start_single_object(struct acpi_device *device)
return_VALUE(result);
}
-static int acpi_driver_attach(struct acpi_driver *drv)
+static void acpi_driver_attach(struct acpi_driver *drv)
{
struct list_head *node, *next;
- int count = 0;
ACPI_FUNCTION_TRACE("acpi_driver_attach");
@@ -568,7 +554,6 @@ static int acpi_driver_attach(struct acpi_driver *drv)
if (!acpi_bus_driver_init(dev, drv)) {
acpi_start_single_object(dev);
atomic_inc(&drv->references);
- count++;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Found driver [%s] for device [%s]\n",
drv->name, dev->pnp.bus_id));
@@ -577,10 +562,9 @@ static int acpi_driver_attach(struct acpi_driver *drv)
spin_lock(&acpi_device_lock);
}
spin_unlock(&acpi_device_lock);
- return_VALUE(count);
}
-static int acpi_driver_detach(struct acpi_driver *drv)
+static void acpi_driver_detach(struct acpi_driver *drv)
{
struct list_head *node, *next;
@@ -602,7 +586,6 @@ static int acpi_driver_detach(struct acpi_driver *drv)
}
}
spin_unlock(&acpi_device_lock);
- return_VALUE(0);
}
/**
@@ -610,28 +593,22 @@ static int acpi_driver_detach(struct acpi_driver *drv)
* @driver: driver being registered
*
* Registers a driver with the ACPI bus. Searches the namespace for all
- * devices that match the driver's criteria and binds. Returns the
- * number of devices that were claimed by the driver, or a negative
- * error status for failure.
+ * devices that match the driver's criteria and binds. Returns zero for
+ * success or a negative error status for failure.
*/
int acpi_bus_register_driver(struct acpi_driver *driver)
{
- int count;
-
ACPI_FUNCTION_TRACE("acpi_bus_register_driver");
if (acpi_disabled)
return_VALUE(-ENODEV);
- if (!driver)
- return_VALUE(-EINVAL);
-
spin_lock(&acpi_device_lock);
list_add_tail(&driver->node, &acpi_bus_drivers);
spin_unlock(&acpi_device_lock);
- count = acpi_driver_attach(driver);
+ acpi_driver_attach(driver);
- return_VALUE(count);
+ return_VALUE(0);
}
EXPORT_SYMBOL(acpi_bus_register_driver);
@@ -643,23 +620,16 @@ EXPORT_SYMBOL(acpi_bus_register_driver);
* Unregisters a driver with the ACPI bus. Searches the namespace for all
* devices that match the driver's criteria and unbinds.
*/
-int acpi_bus_unregister_driver(struct acpi_driver *driver)
+void acpi_bus_unregister_driver(struct acpi_driver *driver)
{
- int error = 0;
+ acpi_driver_detach(driver);
- ACPI_FUNCTION_TRACE("acpi_bus_unregister_driver");
-
- if (driver) {
- acpi_driver_detach(driver);
-
- if (!atomic_read(&driver->references)) {
- spin_lock(&acpi_device_lock);
- list_del_init(&driver->node);
- spin_unlock(&acpi_device_lock);
- }
- } else
- error = -EINVAL;
- return_VALUE(error);
+ if (!atomic_read(&driver->references)) {
+ spin_lock(&acpi_device_lock);
+ list_del_init(&driver->node);
+ spin_unlock(&acpi_device_lock);
+ }
+ return;
}
EXPORT_SYMBOL(acpi_bus_unregister_driver);
@@ -1371,6 +1341,100 @@ static int acpi_bus_scan_fixed(struct acpi_device *root)
return_VALUE(result);
}
+
+static inline struct acpi_device * to_acpi_dev(struct device * dev)
+{
+ return container_of(dev, struct acpi_device, dev);
+}
+
+
+static int root_suspend(struct acpi_device * acpi_dev, pm_message_t state)
+{
+ struct acpi_device * dev, * next;
+ int result;
+
+ spin_lock(&acpi_device_lock);
+ list_for_each_entry_safe_reverse(dev, next, &acpi_device_list, g_list) {
+ if (dev->driver && dev->driver->ops.suspend) {
+ spin_unlock(&acpi_device_lock);
+ result = dev->driver->ops.suspend(dev, 0);
+ if (result) {
+ printk(KERN_ERR PREFIX "[%s - %s] Suspend failed: %d\n",
+ acpi_device_name(dev),
+ acpi_device_bid(dev), result);
+ }
+ spin_lock(&acpi_device_lock);
+ }
+ }
+ spin_unlock(&acpi_device_lock);
+ return 0;
+}
+
+
+static int acpi_device_suspend(struct device * dev, pm_message_t state)
+{
+ struct acpi_device * acpi_dev = to_acpi_dev(dev);
+
+ /*
+ * For now, we should only register 1 generic device -
+ * the ACPI root device - and from there, we walk the
+ * tree of ACPI devices to suspend each one using the
+ * ACPI driver methods.
+ */
+ if (acpi_dev->handle == ACPI_ROOT_OBJECT)
+ root_suspend(acpi_dev, state);
+ return 0;
+}
+
+
+
+static int root_resume(struct acpi_device * acpi_dev)
+{
+ struct acpi_device * dev, * next;
+ int result;
+
+ spin_lock(&acpi_device_lock);
+ list_for_each_entry_safe(dev, next, &acpi_device_list, g_list) {
+ if (dev->driver && dev->driver->ops.resume) {
+ spin_unlock(&acpi_device_lock);
+ result = dev->driver->ops.resume(dev, 0);
+ if (result) {
+ printk(KERN_ERR PREFIX "[%s - %s] resume failed: %d\n",
+ acpi_device_name(dev),
+ acpi_device_bid(dev), result);
+ }
+ spin_lock(&acpi_device_lock);
+ }
+ }
+ spin_unlock(&acpi_device_lock);
+ return 0;
+}
+
+
+static int acpi_device_resume(struct device * dev)
+{
+ struct acpi_device * acpi_dev = to_acpi_dev(dev);
+
+ /*
+ * For now, we should only register 1 generic device -
+ * the ACPI root device - and from there, we walk the
+ * tree of ACPI devices to resume each one using the
+ * ACPI driver methods.
+ */
+ if (acpi_dev->handle == ACPI_ROOT_OBJECT)
+ root_resume(acpi_dev);
+ return 0;
+}
+
+
+struct bus_type acpi_bus_type = {
+ .name = "acpi",
+ .suspend = acpi_device_suspend,
+ .resume = acpi_device_resume,
+};
+
+
+
static int __init acpi_scan_init(void)
{
int result;
@@ -1383,6 +1447,12 @@ static int __init acpi_scan_init(void)
kset_register(&acpi_namespace_kset);
+ result = bus_register(&acpi_bus_type);
+ if (result) {
+ /* We don't want to quit even if we failed to add suspend/resume */
+ printk(KERN_ERR PREFIX "Could not register bus type\n");
+ }
+
/*
* Create the root device in the bus's device tree
*/
@@ -1392,6 +1462,16 @@ static int __init acpi_scan_init(void)
goto Done;
result = acpi_start_single_object(acpi_root);
+ if (result)
+ goto Done;
+
+ acpi_root->dev.bus = &acpi_bus_type;
+ snprintf(acpi_root->dev.bus_id, BUS_ID_SIZE, "%s", acpi_bus_type.name);
+ result = device_register(&acpi_root->dev);
+ if (result) {
+ /* We don't want to quit even if we failed to add suspend/resume */
+ printk(KERN_ERR PREFIX "Could not register device\n");
+ }
/*
* Enumerate devices in the ACPI namespace.
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 930427fc0c4b..62ce87d71651 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -105,6 +105,14 @@ static int acpi_pm_enter(suspend_state_t pm_state)
default:
return -EINVAL;
}
+
+ /* ACPI 3.0 specs (P62) says that it's the responsabilty
+ * of the OSPM to clear the status bit [ implying that the
+ * POWER_BUTTON event should not reach userspace ]
+ */
+ if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3))
+ acpi_clear_event(ACPI_EVENT_POWER_BUTTON);
+
local_irq_restore(flags);
printk(KERN_DEBUG "Back to C!\n");
diff --git a/drivers/acpi/sleep/wakeup.c b/drivers/acpi/sleep/wakeup.c
index 85df0ceda2a9..af1dbabaf0b1 100644
--- a/drivers/acpi/sleep/wakeup.c
+++ b/drivers/acpi/sleep/wakeup.c
@@ -155,7 +155,6 @@ static int __init acpi_wakeup_device_init(void)
if (acpi_disabled)
return 0;
- printk("ACPI wakeup devices: \n");
spin_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
@@ -174,10 +173,8 @@ static int __init acpi_wakeup_device_init(void)
dev->wakeup.state.enabled = 1;
spin_lock(&acpi_device_lock);
}
- printk("%4s ", dev->pnp.bus_id);
}
spin_unlock(&acpi_device_lock);
- printk("\n");
return 0;
}
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index e4308c7a6743..a934ac42178d 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -39,7 +39,7 @@ ACPI_MODULE_NAME("acpi_system")
#define ACPI_SYSTEM_FILE_EVENT "event"
#define ACPI_SYSTEM_FILE_DSDT "dsdt"
#define ACPI_SYSTEM_FILE_FADT "fadt"
-extern FADT_DESCRIPTOR acpi_fadt;
+extern struct fadt_descriptor acpi_fadt;
/* --------------------------------------------------------------------------
FS Interface (/proc)
@@ -82,7 +82,7 @@ acpi_system_read_dsdt(struct file *file,
ACPI_FUNCTION_TRACE("acpi_system_read_dsdt");
- status = acpi_get_table(ACPI_TABLE_DSDT, 1, &dsdt);
+ status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt);
if (ACPI_FAILURE(status))
return_VALUE(-ENODEV);
@@ -110,7 +110,7 @@ acpi_system_read_fadt(struct file *file,
ACPI_FUNCTION_TRACE("acpi_system_read_fadt");
- status = acpi_get_table(ACPI_TABLE_FADT, 1, &fadt);
+ status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &fadt);
if (ACPI_FAILURE(status))
return_VALUE(-ENODEV);
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 7f37c7cc5ef1..ed5e8816d83d 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -282,8 +282,8 @@ acpi_get_table_header_early(enum acpi_table_id id,
/* Map the DSDT header via the pointer in the FADT */
if (id == ACPI_DSDT) {
- struct fadt_descriptor_rev2 *fadt =
- (struct fadt_descriptor_rev2 *)*header;
+ struct fadt_descriptor *fadt =
+ (struct fadt_descriptor *)*header;
if (fadt->revision == 3 && fadt->Xdsdt) {
*header = (void *)__acpi_map_table(fadt->Xdsdt,
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c
index 03b37d2223bc..d697fcb35d52 100644
--- a/drivers/acpi/tables/tbconvrt.c
+++ b/drivers/acpi/tables/tbconvrt.c
@@ -41,8 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/actables.h>
@@ -56,15 +54,15 @@ acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct,
acpi_physical_address address);
static void
-acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt,
+acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt,
struct fadt_descriptor_rev1 *original_fadt);
static void
-acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt,
- struct fadt_descriptor_rev2 *original_fadt);
+acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt,
+ struct fadt_descriptor *original_fadt);
u8 acpi_fadt_is_v1;
-EXPORT_SYMBOL(acpi_fadt_is_v1);
+ACPI_EXPORT_SYMBOL(acpi_fadt_is_v1)
/*******************************************************************************
*
@@ -122,7 +120,7 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
{
acpi_size table_size;
u32 i;
- XSDT_DESCRIPTOR *new_table;
+ struct xsdt_descriptor *new_table;
ACPI_FUNCTION_ENTRY();
@@ -133,7 +131,7 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
/* Allocate an XSDT */
- new_table = ACPI_MEM_CALLOCATE(table_size);
+ new_table = ACPI_ALLOCATE_ZEROED(table_size);
if (!new_table) {
return (AE_NO_MEMORY);
}
@@ -147,17 +145,18 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
/* Copy the table pointers */
for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
+
/* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
ACPI_STORE_ADDRESS(new_table->table_offset_entry[i],
(ACPI_CAST_PTR
- (struct rsdt_descriptor_rev1,
+ (struct rsdt_descriptor,
table_info->pointer))->
table_offset_entry[i]);
} else {
new_table->table_offset_entry[i] =
- (ACPI_CAST_PTR(XSDT_DESCRIPTOR,
+ (ACPI_CAST_PTR(struct xsdt_descriptor,
table_info->pointer))->
table_offset_entry[i];
}
@@ -219,7 +218,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct,
******************************************************************************/
static void
-acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt,
+acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt,
struct fadt_descriptor_rev1 *original_fadt)
{
@@ -365,14 +364,13 @@ acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt,
******************************************************************************/
static void
-acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt,
- struct fadt_descriptor_rev2 *original_fadt)
+acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt,
+ struct fadt_descriptor *original_fadt)
{
/* We have an ACPI 2.0 FADT but we must copy it to our local buffer */
- ACPI_MEMCPY(local_fadt, original_fadt,
- sizeof(struct fadt_descriptor_rev2));
+ ACPI_MEMCPY(local_fadt, original_fadt, sizeof(struct fadt_descriptor));
/*
* "X" fields are optional extensions to the original V1.0 fields, so
@@ -491,10 +489,10 @@ acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt,
acpi_status acpi_tb_convert_table_fadt(void)
{
- struct fadt_descriptor_rev2 *local_fadt;
+ struct fadt_descriptor *local_fadt;
struct acpi_table_desc *table_desc;
- ACPI_FUNCTION_TRACE("tb_convert_table_fadt");
+ ACPI_FUNCTION_TRACE(tb_convert_table_fadt);
/*
* acpi_gbl_FADT is valid. Validate the FADT length. The table must be
@@ -508,13 +506,14 @@ acpi_status acpi_tb_convert_table_fadt(void)
/* Allocate buffer for the ACPI 2.0(+) FADT */
- local_fadt = ACPI_MEM_CALLOCATE(sizeof(struct fadt_descriptor_rev2));
+ local_fadt = ACPI_ALLOCATE_ZEROED(sizeof(struct fadt_descriptor));
if (!local_fadt) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
if (acpi_gbl_FADT->revision >= FADT2_REVISION_ID) {
- if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor_rev2)) {
+ if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor)) {
+
/* Length is too short to be a V2.0 table */
ACPI_WARNING((AE_INFO,
@@ -538,11 +537,11 @@ acpi_status acpi_tb_convert_table_fadt(void)
/* Global FADT pointer will point to the new common V2.0 FADT */
acpi_gbl_FADT = local_fadt;
- acpi_gbl_FADT->length = sizeof(FADT_DESCRIPTOR);
+ acpi_gbl_FADT->length = sizeof(struct fadt_descriptor);
/* Free the original table */
- table_desc = acpi_gbl_table_lists[ACPI_TABLE_FADT].next;
+ table_desc = acpi_gbl_table_lists[ACPI_TABLE_ID_FADT].next;
acpi_tb_delete_single_table(table_desc);
/* Install the new table */
@@ -550,7 +549,7 @@ acpi_status acpi_tb_convert_table_fadt(void)
table_desc->pointer =
ACPI_CAST_PTR(struct acpi_table_header, acpi_gbl_FADT);
table_desc->allocation = ACPI_MEM_ALLOCATED;
- table_desc->length = sizeof(struct fadt_descriptor_rev2);
+ table_desc->length = sizeof(struct fadt_descriptor);
/* Dump the entire FADT */
@@ -580,7 +579,7 @@ acpi_status acpi_tb_convert_table_fadt(void)
acpi_status acpi_tb_build_common_facs(struct acpi_table_desc *table_info)
{
- ACPI_FUNCTION_TRACE("tb_build_common_facs");
+ ACPI_FUNCTION_TRACE(tb_build_common_facs);
/* Absolute minimum length is 24, but the ACPI spec says 64 */
@@ -603,6 +602,7 @@ acpi_status acpi_tb_build_common_facs(struct acpi_table_desc *table_info)
if ((acpi_gbl_RSDP->revision < 2) ||
(acpi_gbl_FACS->length < 32) ||
(!(acpi_gbl_FACS->xfirmware_waking_vector))) {
+
/* ACPI 1.0 FACS or short table or optional X_ field is zero */
acpi_gbl_common_fACS.firmware_waking_vector = ACPI_CAST_PTR(u64,
diff --git a/drivers/acpi/tables/tbget.c b/drivers/acpi/tables/tbget.c
index 09b4ee6dfd60..99eacceff563 100644
--- a/drivers/acpi/tables/tbget.c
+++ b/drivers/acpi/tables/tbget.c
@@ -78,7 +78,7 @@ acpi_tb_get_table(struct acpi_pointer *address,
acpi_status status;
struct acpi_table_header header;
- ACPI_FUNCTION_TRACE("tb_get_table");
+ ACPI_FUNCTION_TRACE(tb_get_table);
/* Get the header in order to get signature and table size */
@@ -124,7 +124,7 @@ acpi_tb_get_table_header(struct acpi_pointer *address,
acpi_status status = AE_OK;
struct acpi_table_header *header = NULL;
- ACPI_FUNCTION_TRACE("tb_get_table_header");
+ ACPI_FUNCTION_TRACE(tb_get_table_header);
/*
* Flags contains the current processor mode (Virtual or Physical
@@ -148,6 +148,10 @@ acpi_tb_get_table_header(struct acpi_pointer *address,
sizeof(struct acpi_table_header),
(void *)&header);
if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Could not map memory at %8.8X%8.8X for table header",
+ ACPI_FORMAT_UINT64(address->pointer.
+ physical)));
return_ACPI_STATUS(status);
}
@@ -198,7 +202,7 @@ acpi_tb_get_table_body(struct acpi_pointer *address,
{
acpi_status status;
- ACPI_FUNCTION_TRACE("tb_get_table_body");
+ ACPI_FUNCTION_TRACE(tb_get_table_body);
if (!table_info || !address) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -208,6 +212,7 @@ acpi_tb_get_table_body(struct acpi_pointer *address,
status = acpi_tb_table_override(header, table_info);
if (ACPI_SUCCESS(status)) {
+
/* Table was overridden by the host OS */
return_ACPI_STATUS(status);
@@ -241,7 +246,7 @@ acpi_tb_table_override(struct acpi_table_header *header,
acpi_status status;
struct acpi_pointer address;
- ACPI_FUNCTION_TRACE("tb_table_override");
+ ACPI_FUNCTION_TRACE(tb_table_override);
/*
* The OSL will examine the header and decide whether to override this
@@ -250,6 +255,7 @@ acpi_tb_table_override(struct acpi_table_header *header,
*/
status = acpi_os_table_override(header, &new_table);
if (ACPI_FAILURE(status)) {
+
/* Some severe error from the OSL, but we basically ignore it */
ACPI_EXCEPTION((AE_INFO, status,
@@ -258,6 +264,7 @@ acpi_tb_table_override(struct acpi_table_header *header,
}
if (!new_table) {
+
/* No table override */
return_ACPI_STATUS(AE_NO_ACPI_TABLES);
@@ -311,7 +318,7 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
u8 allocation;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("tb_get_this_table");
+ ACPI_FUNCTION_TRACE(tb_get_this_table);
/*
* Flags contains the current processor mode (Virtual or Physical
@@ -323,7 +330,7 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
/* Pointer matches processor mode, copy the table to a new buffer */
- full_table = ACPI_MEM_ALLOCATE(header->length);
+ full_table = ACPI_ALLOCATE(header->length);
if (!full_table) {
ACPI_ERROR((AE_INFO,
"Could not allocate table memory for [%4.4s] length %X",
@@ -376,11 +383,12 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
* Validate checksum for _most_ tables,
* even the ones whose signature we don't recognize
*/
- if (table_info->type != ACPI_TABLE_FACS) {
+ if (table_info->type != ACPI_TABLE_ID_FACS) {
status = acpi_tb_verify_table_checksum(full_table);
#if (!ACPI_CHECKSUM_ABORT)
if (ACPI_FAILURE(status)) {
+
/* Ignore the error if configuration says so */
status = AE_OK;
@@ -409,7 +417,7 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
*
* PARAMETERS: table_type - one of the defined table types
* Instance - Which table of this type
- * table_ptr_loc - pointer to location to place the pointer for
+ * return_table - pointer to location to place the pointer for
* return
*
* RETURN: Status
@@ -420,57 +428,34 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
acpi_status
acpi_tb_get_table_ptr(acpi_table_type table_type,
- u32 instance, struct acpi_table_header **table_ptr_loc)
+ u32 instance, struct acpi_table_header **return_table)
{
struct acpi_table_desc *table_desc;
u32 i;
- ACPI_FUNCTION_TRACE("tb_get_table_ptr");
-
- if (!acpi_gbl_DSDT) {
- return_ACPI_STATUS(AE_NO_ACPI_TABLES);
- }
+ ACPI_FUNCTION_TRACE(tb_get_table_ptr);
- if (table_type > ACPI_TABLE_MAX) {
+ if (table_type > ACPI_TABLE_ID_MAX) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /*
- * For all table types (Single/Multiple), the first
- * instance is always in the list head.
- */
- if (instance == 1) {
- /* Get the first */
-
- *table_ptr_loc = NULL;
- if (acpi_gbl_table_lists[table_type].next) {
- *table_ptr_loc =
- acpi_gbl_table_lists[table_type].next->pointer;
- }
- return_ACPI_STATUS(AE_OK);
- }
-
- /* Check for instance out of range */
+ /* Check for instance out of range of the current table count */
if (instance > acpi_gbl_table_lists[table_type].count) {
return_ACPI_STATUS(AE_NOT_EXIST);
}
- /* Walk the list to get the desired table
- * Since the if (Instance == 1) check above checked for the
- * first table, setting table_desc equal to the .Next member
- * is actually pointing to the second table. Therefore, we
- * need to walk from the 2nd table until we reach the Instance
- * that the user is looking for and return its table pointer.
+ /*
+ * Walk the list to get the desired table
+ * Note: Instance is one-based
*/
table_desc = acpi_gbl_table_lists[table_type].next;
- for (i = 2; i < instance; i++) {
+ for (i = 1; i < instance; i++) {
table_desc = table_desc->next;
}
/* We are now pointing to the requested table's descriptor */
- *table_ptr_loc = table_desc->pointer;
-
+ *return_table = table_desc->pointer;
return_ACPI_STATUS(AE_OK);
}
diff --git a/drivers/acpi/tables/tbgetall.c b/drivers/acpi/tables/tbgetall.c
index 134e5dce0bc1..ad982112e4c6 100644
--- a/drivers/acpi/tables/tbgetall.c
+++ b/drivers/acpi/tables/tbgetall.c
@@ -77,7 +77,7 @@ acpi_tb_get_primary_table(struct acpi_pointer *address,
acpi_status status;
struct acpi_table_header header;
- ACPI_FUNCTION_TRACE("tb_get_primary_table");
+ ACPI_FUNCTION_TRACE(tb_get_primary_table);
/* Ignore a NULL address in the RSDT */
@@ -140,7 +140,7 @@ acpi_tb_get_secondary_table(struct acpi_pointer *address,
acpi_status status;
struct acpi_table_header header;
- ACPI_FUNCTION_TRACE_STR("tb_get_secondary_table", signature);
+ ACPI_FUNCTION_TRACE_STR(tb_get_secondary_table, signature);
/* Get the header in order to match the signature */
@@ -151,7 +151,7 @@ acpi_tb_get_secondary_table(struct acpi_pointer *address,
/* Signature must match request */
- if (ACPI_STRNCMP(header.signature, signature, ACPI_NAME_SIZE)) {
+ if (!ACPI_COMPARE_NAME(header.signature, signature)) {
ACPI_ERROR((AE_INFO,
"Incorrect table signature - wanted [%s] found [%4.4s]",
signature, header.signature));
@@ -207,7 +207,7 @@ acpi_status acpi_tb_get_required_tables(void)
struct acpi_table_desc table_info;
struct acpi_pointer address;
- ACPI_FUNCTION_TRACE("tb_get_required_tables");
+ ACPI_FUNCTION_TRACE(tb_get_required_tables);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%d ACPI tables in RSDT\n",
acpi_gbl_rsdt_table_count));
@@ -223,6 +223,7 @@ acpi_status acpi_tb_get_required_tables(void)
* any SSDTs.
*/
for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
+
/* Get the table address from the common internal XSDT */
address.pointer.value = acpi_gbl_XSDT->table_offset_entry[i];
@@ -305,6 +306,6 @@ acpi_status acpi_tb_get_required_tables(void)
/* Always delete the RSDP mapping, we are done with it */
- acpi_tb_delete_tables_by_type(ACPI_TABLE_RSDP);
+ acpi_tb_delete_tables_by_type(ACPI_TABLE_ID_RSDP);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 7ffd0fddb4e5..7ca2df75bb11 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -73,17 +73,18 @@ acpi_tb_match_signature(char *signature,
{
acpi_native_uint i;
- ACPI_FUNCTION_TRACE("tb_match_signature");
+ ACPI_FUNCTION_TRACE(tb_match_signature);
/* Search for a signature match among the known table types */
- for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) {
+ for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) {
if (!(acpi_gbl_table_data[i].flags & search_type)) {
continue;
}
if (!ACPI_STRNCMP(signature, acpi_gbl_table_data[i].signature,
acpi_gbl_table_data[i].sig_length)) {
+
/* Found a signature match, return index if requested */
if (table_info) {
@@ -122,7 +123,7 @@ acpi_status acpi_tb_install_table(struct acpi_table_desc *table_info)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("tb_install_table");
+ ACPI_FUNCTION_TRACE(tb_install_table);
/* Lock tables while installing */
@@ -187,7 +188,7 @@ acpi_tb_recognize_table(struct acpi_table_desc *table_info, u8 search_type)
struct acpi_table_header *table_header;
acpi_status status;
- ACPI_FUNCTION_TRACE("tb_recognize_table");
+ ACPI_FUNCTION_TRACE(tb_recognize_table);
/* Ensure that we have a valid table pointer */
@@ -218,7 +219,6 @@ acpi_tb_recognize_table(struct acpi_table_desc *table_info, u8 search_type)
/* Return the table type and length via the info struct */
table_info->length = (acpi_size) table_header->length;
-
return_ACPI_STATUS(status);
}
@@ -243,11 +243,11 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type,
struct acpi_table_desc *table_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE_U32("tb_init_table_descriptor", table_type);
+ ACPI_FUNCTION_TRACE_U32(tb_init_table_descriptor, table_type);
/* Allocate a descriptor for this table */
- table_desc = ACPI_MEM_CALLOCATE(sizeof(struct acpi_table_desc));
+ table_desc = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_table_desc));
if (!table_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -274,7 +274,7 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type,
* at this location, so return an error.
*/
if (list_head->next) {
- ACPI_MEM_FREE(table_desc);
+ ACPI_FREE(table_desc);
return_ACPI_STATUS(AE_ALREADY_EXISTS);
}
@@ -312,15 +312,14 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type,
/* Finish initialization of the table descriptor */
+ table_desc->loaded_into_namespace = FALSE;
table_desc->type = (u8) table_type;
table_desc->pointer = table_info->pointer;
table_desc->length = table_info->length;
table_desc->allocation = table_info->allocation;
table_desc->aml_start = (u8 *) (table_desc->pointer + 1),
- table_desc->aml_length = (u32) (table_desc->length -
- (u32) sizeof(struct
- acpi_table_header));
- table_desc->loaded_into_namespace = FALSE;
+ table_desc->aml_length = (u32)
+ (table_desc->length - (u32) sizeof(struct acpi_table_header));
/*
* Set the appropriate global pointer (if there is one) to point to the
@@ -335,7 +334,6 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type,
table_info->owner_id = table_desc->owner_id;
table_info->installed_desc = table_desc;
-
return_ACPI_STATUS(AE_OK);
}
@@ -359,7 +357,7 @@ void acpi_tb_delete_all_tables(void)
* Free memory allocated for ACPI tables
* Memory can either be mapped or allocated
*/
- for (type = 0; type < NUM_ACPI_TABLE_TYPES; type++) {
+ for (type = 0; type < (ACPI_TABLE_ID_MAX + 1); type++) {
acpi_tb_delete_tables_by_type(type);
}
}
@@ -383,9 +381,9 @@ void acpi_tb_delete_tables_by_type(acpi_table_type type)
u32 count;
u32 i;
- ACPI_FUNCTION_TRACE_U32("tb_delete_tables_by_type", type);
+ ACPI_FUNCTION_TRACE_U32(tb_delete_tables_by_type, type);
- if (type > ACPI_TABLE_MAX) {
+ if (type > ACPI_TABLE_ID_MAX) {
return_VOID;
}
@@ -396,28 +394,28 @@ void acpi_tb_delete_tables_by_type(acpi_table_type type)
/* Clear the appropriate "typed" global table pointer */
switch (type) {
- case ACPI_TABLE_RSDP:
+ case ACPI_TABLE_ID_RSDP:
acpi_gbl_RSDP = NULL;
break;
- case ACPI_TABLE_DSDT:
+ case ACPI_TABLE_ID_DSDT:
acpi_gbl_DSDT = NULL;
break;
- case ACPI_TABLE_FADT:
+ case ACPI_TABLE_ID_FADT:
acpi_gbl_FADT = NULL;
break;
- case ACPI_TABLE_FACS:
+ case ACPI_TABLE_ID_FACS:
acpi_gbl_FACS = NULL;
break;
- case ACPI_TABLE_XSDT:
+ case ACPI_TABLE_ID_XSDT:
acpi_gbl_XSDT = NULL;
break;
- case ACPI_TABLE_SSDT:
- case ACPI_TABLE_PSDT:
+ case ACPI_TABLE_ID_SSDT:
+ case ACPI_TABLE_ID_PSDT:
default:
break;
}
@@ -471,7 +469,7 @@ void acpi_tb_delete_single_table(struct acpi_table_desc *table_desc)
case ACPI_MEM_ALLOCATED:
- ACPI_MEM_FREE(table_desc->pointer);
+ ACPI_FREE(table_desc->pointer);
break;
case ACPI_MEM_MAPPED:
@@ -503,7 +501,7 @@ struct acpi_table_desc *acpi_tb_uninstall_table(struct acpi_table_desc
{
struct acpi_table_desc *next_desc;
- ACPI_FUNCTION_TRACE_PTR("tb_uninstall_table", table_desc);
+ ACPI_FUNCTION_TRACE_PTR(tb_uninstall_table, table_desc);
if (!table_desc) {
return_PTR(NULL);
@@ -530,7 +528,7 @@ struct acpi_table_desc *acpi_tb_uninstall_table(struct acpi_table_desc
/* Free the table descriptor */
next_desc = table_desc->next;
- ACPI_MEM_FREE(table_desc);
+ ACPI_FREE(table_desc);
/* Return pointer to the next descriptor */
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c
index 4d308220225d..abcb08c2592a 100644
--- a/drivers/acpi/tables/tbrsdt.c
+++ b/drivers/acpi/tables/tbrsdt.c
@@ -64,7 +64,7 @@ acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address)
acpi_status status;
struct rsdp_descriptor *rsdp;
- ACPI_FUNCTION_TRACE("tb_verify_rsdp");
+ ACPI_FUNCTION_TRACE(tb_verify_rsdp);
switch (address->pointer_type) {
case ACPI_LOGICAL_POINTER:
@@ -78,7 +78,7 @@ acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address)
*/
status = acpi_os_map_memory(address->pointer.physical,
sizeof(struct rsdp_descriptor),
- (void *)&rsdp);
+ ACPI_CAST_PTR(void, &rsdp));
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@@ -95,15 +95,20 @@ acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address)
goto cleanup;
}
- /* The RSDP supplied is OK */
+ /* RSDP is ok. Init the table info */
table_info.pointer = ACPI_CAST_PTR(struct acpi_table_header, rsdp);
table_info.length = sizeof(struct rsdp_descriptor);
- table_info.allocation = ACPI_MEM_MAPPED;
+
+ if (address->pointer_type == ACPI_PHYSICAL_POINTER) {
+ table_info.allocation = ACPI_MEM_MAPPED;
+ } else {
+ table_info.allocation = ACPI_MEM_NOT_ALLOCATED;
+ }
/* Save the table pointers and allocation info */
- status = acpi_tb_init_table_descriptor(ACPI_TABLE_RSDP, &table_info);
+ status = acpi_tb_init_table_descriptor(ACPI_TABLE_ID_RSDP, &table_info);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
@@ -174,22 +179,20 @@ void acpi_tb_get_rsdt_address(struct acpi_pointer *out_address)
acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr)
{
- int no_match;
+ char *signature;
ACPI_FUNCTION_ENTRY();
- /*
- * Search for appropriate signature, RSDT or XSDT
- */
+ /* Search for appropriate signature, RSDT or XSDT */
+
if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
- no_match = ACPI_STRNCMP((char *)table_ptr, RSDT_SIG,
- sizeof(RSDT_SIG) - 1);
+ signature = RSDT_SIG;
} else {
- no_match = ACPI_STRNCMP((char *)table_ptr, XSDT_SIG,
- sizeof(XSDT_SIG) - 1);
+ signature = XSDT_SIG;
}
- if (no_match) {
+ if (!ACPI_COMPARE_NAME(table_ptr->signature, signature)) {
+
/* Invalid RSDT or XSDT signature */
ACPI_ERROR((AE_INFO,
@@ -198,10 +201,8 @@ acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr)
ACPI_DUMP_BUFFER(acpi_gbl_RSDP, 20);
ACPI_ERROR((AE_INFO,
- "RSDT/XSDT signature at %X (%p) is invalid",
- acpi_gbl_RSDP->rsdt_physical_address,
- (void *)(acpi_native_uint) acpi_gbl_RSDP->
- rsdt_physical_address));
+ "RSDT/XSDT signature at %X is invalid",
+ acpi_gbl_RSDP->rsdt_physical_address));
if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
ACPI_ERROR((AE_INFO, "Looking for RSDT"));
@@ -234,13 +235,13 @@ acpi_status acpi_tb_get_table_rsdt(void)
acpi_status status;
struct acpi_pointer address;
- ACPI_FUNCTION_TRACE("tb_get_table_rsdt");
+ ACPI_FUNCTION_TRACE(tb_get_table_rsdt);
/* Get the RSDT/XSDT via the RSDP */
acpi_tb_get_rsdt_address(&address);
- table_info.type = ACPI_TABLE_XSDT;
+ table_info.type = ACPI_TABLE_ID_XSDT;
status = acpi_tb_get_table(&address, &table_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
@@ -274,12 +275,13 @@ acpi_status acpi_tb_get_table_rsdt(void)
/* Save the table pointers and allocation info */
- status = acpi_tb_init_table_descriptor(ACPI_TABLE_XSDT, &table_info);
+ status = acpi_tb_init_table_descriptor(ACPI_TABLE_ID_XSDT, &table_info);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- acpi_gbl_XSDT = ACPI_CAST_PTR(XSDT_DESCRIPTOR, table_info.pointer);
+ acpi_gbl_XSDT =
+ ACPI_CAST_PTR(struct xsdt_descriptor, table_info.pointer);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "XSDT located at %p\n", acpi_gbl_XSDT));
return_ACPI_STATUS(status);
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index bc571592f087..209a401801e3 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -71,7 +71,7 @@ acpi_status acpi_tb_is_table_installed(struct acpi_table_desc *new_table_desc)
{
struct acpi_table_desc *table_desc;
- ACPI_FUNCTION_TRACE("tb_is_table_installed");
+ ACPI_FUNCTION_TRACE(tb_is_table_installed);
/* Get the list descriptor and first table descriptor */
@@ -96,10 +96,11 @@ acpi_status acpi_tb_is_table_installed(struct acpi_table_desc *new_table_desc)
(!ACPI_MEMCMP
(table_desc->pointer, new_table_desc->pointer,
new_table_desc->pointer->length))) {
+
/* Match: this table is already installed */
ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
- "Table [%4.4s] already installed: Rev %X oem_table_id [%8.8s]\n",
+ "Table [%4.4s] already installed: Rev %X OemTableId [%8.8s]\n",
new_table_desc->pointer->signature,
new_table_desc->pointer->revision,
new_table_desc->pointer->
@@ -159,12 +160,8 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header)
ACPI_MOVE_32_TO_32(&signature, table_header->signature);
if (!acpi_ut_valid_acpi_name(signature)) {
- ACPI_ERROR((AE_INFO,
- "Table signature at %p [%p] has invalid characters",
- table_header, &signature));
-
- ACPI_WARNING((AE_INFO, "Invalid table signature found: [%4.4s]",
- ACPI_CAST_PTR(char, &signature)));
+ ACPI_ERROR((AE_INFO, "Invalid table signature 0x%8.8X",
+ signature));
ACPI_DUMP_BUFFER(table_header,
sizeof(struct acpi_table_header));
@@ -175,12 +172,9 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header)
if (table_header->length < sizeof(struct acpi_table_header)) {
ACPI_ERROR((AE_INFO,
- "Invalid length in table header %p name %4.4s",
- table_header, (char *)&signature));
-
- ACPI_WARNING((AE_INFO,
- "Invalid table header length (0x%X) found",
- (u32) table_header->length));
+ "Invalid length 0x%X in table with signature %4.4s",
+ (u32) table_header->length,
+ ACPI_CAST_PTR(char, &signature)));
ACPI_DUMP_BUFFER(table_header,
sizeof(struct acpi_table_header));
@@ -192,72 +186,119 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header)
/*******************************************************************************
*
- * FUNCTION: acpi_tb_verify_table_checksum
+ * FUNCTION: acpi_tb_sum_table
*
- * PARAMETERS: *table_header - ACPI table to verify
+ * PARAMETERS: Buffer - Buffer to sum
+ * Length - Size of the buffer
*
- * RETURN: 8 bit checksum of table
+ * RETURN: 8 bit sum of buffer
*
- * DESCRIPTION: Does an 8 bit checksum of table and returns status. A correct
- * table should have a checksum of 0.
+ * DESCRIPTION: Computes an 8 bit sum of the buffer(length) and returns it.
*
******************************************************************************/
-acpi_status
-acpi_tb_verify_table_checksum(struct acpi_table_header * table_header)
+u8 acpi_tb_sum_table(void *buffer, u32 length)
+{
+ acpi_native_uint i;
+ u8 sum = 0;
+
+ if (!buffer || !length) {
+ return (0);
+ }
+
+ for (i = 0; i < length; i++) {
+ sum = (u8) (sum + ((u8 *) buffer)[i]);
+ }
+ return (sum);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_generate_checksum
+ *
+ * PARAMETERS: Table - Pointer to a valid ACPI table (with a
+ * standard ACPI header)
+ *
+ * RETURN: 8 bit checksum of buffer
+ *
+ * DESCRIPTION: Computes an 8 bit checksum of the table.
+ *
+ ******************************************************************************/
+
+u8 acpi_tb_generate_checksum(struct acpi_table_header * table)
{
u8 checksum;
- acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("tb_verify_table_checksum");
+ /* Sum the entire table as-is */
- /* Compute the checksum on the table */
+ checksum = acpi_tb_sum_table(table, table->length);
- checksum =
- acpi_tb_generate_checksum(table_header, table_header->length);
+ /* Subtract off the existing checksum value in the table */
- /* Return the appropriate exception */
+ checksum = (u8) (checksum - table->checksum);
- if (checksum) {
- ACPI_WARNING((AE_INFO,
- "Invalid checksum in table [%4.4s] (%02X, sum %02X is not zero)",
- table_header->signature,
- (u32) table_header->checksum, (u32) checksum));
+ /* Compute the final checksum */
- status = AE_BAD_CHECKSUM;
- }
- return_ACPI_STATUS(status);
+ checksum = (u8) (0 - checksum);
+ return (checksum);
}
/*******************************************************************************
*
- * FUNCTION: acpi_tb_generate_checksum
+ * FUNCTION: acpi_tb_set_checksum
*
- * PARAMETERS: Buffer - Buffer to checksum
- * Length - Size of the buffer
+ * PARAMETERS: Table - Pointer to a valid ACPI table (with a
+ * standard ACPI header)
*
- * RETURN: 8 bit checksum of buffer
+ * RETURN: None. Sets the table checksum field
*
- * DESCRIPTION: Computes an 8 bit checksum of the buffer(length) and returns it.
+ * DESCRIPTION: Computes an 8 bit checksum of the table and inserts the
+ * checksum into the table header.
*
******************************************************************************/
-u8 acpi_tb_generate_checksum(void *buffer, u32 length)
+void acpi_tb_set_checksum(struct acpi_table_header *table)
{
- u8 *end_buffer;
- u8 *rover;
- u8 sum = 0;
- if (buffer && length) {
- /* Buffer and Length are valid */
+ table->checksum = acpi_tb_generate_checksum(table);
+}
- end_buffer = ACPI_ADD_PTR(u8, buffer, length);
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_verify_table_checksum
+ *
+ * PARAMETERS: *table_header - ACPI table to verify
+ *
+ * RETURN: 8 bit checksum of table
+ *
+ * DESCRIPTION: Generates an 8 bit checksum of table and returns and compares
+ * it to the existing checksum value.
+ *
+ ******************************************************************************/
- for (rover = buffer; rover < end_buffer; rover++) {
- sum = (u8) (sum + *rover);
- }
+acpi_status
+acpi_tb_verify_table_checksum(struct acpi_table_header *table_header)
+{
+ u8 checksum;
+
+ ACPI_FUNCTION_TRACE(tb_verify_table_checksum);
+
+ /* Compute the checksum on the table */
+
+ checksum = acpi_tb_generate_checksum(table_header);
+
+ /* Checksum ok? */
+
+ if (checksum == table_header->checksum) {
+ return_ACPI_STATUS(AE_OK);
}
- return (sum);
+
+ ACPI_WARNING((AE_INFO,
+ "Incorrect checksum in table [%4.4s] - is %2.2X, should be %2.2X",
+ table_header->signature, table_header->checksum,
+ checksum));
+
+ return_ACPI_STATUS(AE_BAD_CHECKSUM);
}
#ifdef ACPI_OBSOLETE_FUNCTIONS
@@ -276,12 +317,12 @@ u8 acpi_tb_generate_checksum(void *buffer, u32 length)
acpi_status
acpi_tb_handle_to_object(u16 table_id,
- struct acpi_table_desc ** return_table_desc)
+ struct acpi_table_desc **return_table_desc)
{
u32 i;
struct acpi_table_desc *table_desc;
- ACPI_FUNCTION_NAME("tb_handle_to_object");
+ ACPI_FUNCTION_NAME(tb_handle_to_object);
for (i = 0; i < ACPI_TABLE_MAX; i++) {
table_desc = acpi_gbl_table_lists[i].next;
@@ -295,7 +336,7 @@ acpi_tb_handle_to_object(u16 table_id,
}
}
- ACPI_ERROR((AE_INFO, "table_id=%X does not exist", table_id));
+ ACPI_ERROR((AE_INFO, "TableId=%X does not exist", table_id));
return (AE_BAD_PARAMETER);
}
#endif
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 9fe53c9d5b9a..4e91f2984815 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -42,8 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
#include <acpi/actables.h>
@@ -68,7 +66,7 @@ acpi_status acpi_load_tables(void)
struct acpi_pointer rsdp_address;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_load_tables");
+ ACPI_FUNCTION_TRACE(acpi_load_tables);
/* Get the RSDP */
@@ -123,6 +121,8 @@ acpi_status acpi_load_tables(void)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_load_tables)
+
#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
*
@@ -139,14 +139,13 @@ acpi_status acpi_load_tables(void)
* is determined that the table is invalid, the call will fail.
*
******************************************************************************/
-
acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
{
acpi_status status;
struct acpi_table_desc table_info;
struct acpi_pointer address;
- ACPI_FUNCTION_TRACE("acpi_load_table");
+ ACPI_FUNCTION_TRACE(acpi_load_table);
if (!table_ptr) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -174,6 +173,7 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
status = acpi_tb_install_table(&table_info);
if (ACPI_FAILURE(status)) {
if (status == AE_ALREADY_EXISTS) {
+
/* Table already exists, no error */
status = AE_OK;
@@ -188,12 +188,12 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
/* Convert the table to common format if necessary */
switch (table_info.type) {
- case ACPI_TABLE_FADT:
+ case ACPI_TABLE_ID_FADT:
status = acpi_tb_convert_table_fadt();
break;
- case ACPI_TABLE_FACS:
+ case ACPI_TABLE_ID_FACS:
status = acpi_tb_build_common_facs(&table_info);
break;
@@ -208,6 +208,7 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
}
if (ACPI_FAILURE(status)) {
+
/* Uninstall table and free the buffer */
(void)acpi_tb_uninstall_table(table_info.installed_desc);
@@ -216,6 +217,8 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_load_table)
+
/*******************************************************************************
*
* FUNCTION: acpi_unload_table
@@ -227,16 +230,15 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
* DESCRIPTION: This routine is used to force the unload of a table
*
******************************************************************************/
-
acpi_status acpi_unload_table(acpi_table_type table_type)
{
struct acpi_table_desc *table_desc;
- ACPI_FUNCTION_TRACE("acpi_unload_table");
+ ACPI_FUNCTION_TRACE(acpi_unload_table);
/* Parameter validation */
- if (table_type > ACPI_TABLE_MAX) {
+ if (table_type > ACPI_TABLE_ID_MAX) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
@@ -261,6 +263,8 @@ acpi_status acpi_unload_table(acpi_table_type table_type)
return_ACPI_STATUS(AE_OK);
}
+ACPI_EXPORT_SYMBOL(acpi_unload_table)
+
/*******************************************************************************
*
* FUNCTION: acpi_get_table_header
@@ -281,7 +285,6 @@ acpi_status acpi_unload_table(acpi_table_type table_type)
* have a standard header and is fixed length.
*
******************************************************************************/
-
acpi_status
acpi_get_table_header(acpi_table_type table_type,
u32 instance, struct acpi_table_header *out_table_header)
@@ -289,16 +292,16 @@ acpi_get_table_header(acpi_table_type table_type,
struct acpi_table_header *tbl_ptr;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_get_table_header");
+ ACPI_FUNCTION_TRACE(acpi_get_table_header);
if ((instance == 0) ||
- (table_type == ACPI_TABLE_RSDP) || (!out_table_header)) {
+ (table_type == ACPI_TABLE_ID_RSDP) || (!out_table_header)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Check the table type and instance */
- if ((table_type > ACPI_TABLE_MAX) ||
+ if ((table_type > ACPI_TABLE_ID_MAX) ||
(ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) &&
instance > 1)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -325,6 +328,7 @@ acpi_get_table_header(acpi_table_type table_type,
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_get_table_header)
#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
@@ -349,7 +353,6 @@ acpi_get_table_header(acpi_table_type table_type,
* a complete table including the header.
*
******************************************************************************/
-
acpi_status
acpi_get_table(acpi_table_type table_type,
u32 instance, struct acpi_buffer *ret_buffer)
@@ -358,7 +361,7 @@ acpi_get_table(acpi_table_type table_type,
acpi_status status;
acpi_size table_length;
- ACPI_FUNCTION_TRACE("acpi_get_table");
+ ACPI_FUNCTION_TRACE(acpi_get_table);
/* Parameter validation */
@@ -373,7 +376,7 @@ acpi_get_table(acpi_table_type table_type,
/* Check the table type and instance */
- if ((table_type > ACPI_TABLE_MAX) ||
+ if ((table_type > ACPI_TABLE_ID_MAX) ||
(ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) &&
instance > 1)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -396,7 +399,8 @@ acpi_get_table(acpi_table_type table_type,
/* Get the table length */
- if (table_type == ACPI_TABLE_RSDP) {
+ if (table_type == ACPI_TABLE_ID_RSDP) {
+
/* RSD PTR is the only "table" without a header */
table_length = sizeof(struct rsdp_descriptor);
@@ -417,4 +421,4 @@ acpi_get_table(acpi_table_type table_type,
return_ACPI_STATUS(AE_OK);
}
-EXPORT_SYMBOL(acpi_get_table);
+ACPI_EXPORT_SYMBOL(acpi_get_table)
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index a62db6af83c9..da2648bbdbc0 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -41,8 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/actables.h>
@@ -75,6 +73,7 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp)
* The signature and checksum must both be correct
*/
if (ACPI_STRNCMP((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) {
+
/* Nope, BAD Signature */
return (AE_BAD_SIGNATURE);
@@ -82,15 +81,14 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp)
/* Check the standard checksum */
- if (acpi_tb_generate_checksum(rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
+ if (acpi_tb_sum_table(rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
return (AE_BAD_CHECKSUM);
}
/* Check extended checksum if table version >= 2 */
if ((rsdp->revision >= 2) &&
- (acpi_tb_generate_checksum(rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) !=
- 0)) {
+ (acpi_tb_sum_table(rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) {
return (AE_BAD_CHECKSUM);
}
@@ -121,7 +119,7 @@ acpi_tb_find_table(char *signature,
acpi_status status;
struct acpi_table_header *table;
- ACPI_FUNCTION_TRACE("tb_find_table");
+ ACPI_FUNCTION_TRACE(tb_find_table);
/* Validate string lengths */
@@ -131,7 +129,7 @@ acpi_tb_find_table(char *signature,
return_ACPI_STATUS(AE_AML_STRING_LIMIT);
}
- if (!ACPI_STRNCMP(signature, DSDT_SIG, ACPI_NAME_SIZE)) {
+ if (ACPI_COMPARE_NAME(signature, DSDT_SIG)) {
/*
* The DSDT pointer is contained in the FADT, not the RSDT.
* This code should suffice, because the only code that would perform
@@ -156,10 +154,12 @@ acpi_tb_find_table(char *signature,
/* Check oem_id and oem_table_id */
- if ((oem_id[0] && ACPI_STRNCMP(oem_id, table->oem_id,
- sizeof(table->oem_id))) ||
- (oem_table_id[0] && ACPI_STRNCMP(oem_table_id, table->oem_table_id,
- sizeof(table->oem_table_id)))) {
+ if ((oem_id[0] &&
+ ACPI_STRNCMP(oem_id, table->oem_id,
+ sizeof(table->oem_id))) ||
+ (oem_table_id[0] &&
+ ACPI_STRNCMP(oem_table_id, table->oem_table_id,
+ sizeof(table->oem_table_id)))) {
return_ACPI_STATUS(AE_AML_NAME_NOT_FOUND);
}
@@ -203,7 +203,7 @@ acpi_get_firmware_table(acpi_string signature,
u32 i;
u32 j;
- ACPI_FUNCTION_TRACE("acpi_get_firmware_table");
+ ACPI_FUNCTION_TRACE(acpi_get_firmware_table);
/*
* Ensure that at least the table manager is initialized. We don't
@@ -217,6 +217,7 @@ acpi_get_firmware_table(acpi_string signature,
/* Ensure that we have a RSDP */
if (!acpi_gbl_RSDP) {
+
/* Get the RSDP */
status = acpi_os_get_root_pointer(flags, &address);
@@ -261,7 +262,7 @@ acpi_get_firmware_table(acpi_string signature,
/* Get and validate the RSDT */
- rsdt_info = ACPI_MEM_CALLOCATE(sizeof(struct acpi_table_desc));
+ rsdt_info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_table_desc));
if (!rsdt_info) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -278,13 +279,13 @@ acpi_get_firmware_table(acpi_string signature,
/* Allocate a scratch table header and table descriptor */
- header = ACPI_MEM_ALLOCATE(sizeof(struct acpi_table_header));
+ header = ACPI_ALLOCATE(sizeof(struct acpi_table_header));
if (!header) {
status = AE_NO_MEMORY;
goto cleanup;
}
- table_info = ACPI_MEM_ALLOCATE(sizeof(struct acpi_table_desc));
+ table_info = ACPI_ALLOCATE(sizeof(struct acpi_table_desc));
if (!table_info) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -308,12 +309,12 @@ acpi_get_firmware_table(acpi_string signature,
if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
address.pointer.value =
(ACPI_CAST_PTR
- (RSDT_DESCRIPTOR,
+ (struct rsdt_descriptor,
rsdt_info->pointer))->table_offset_entry[i];
} else {
address.pointer.value =
(ACPI_CAST_PTR
- (XSDT_DESCRIPTOR,
+ (struct xsdt_descriptor,
rsdt_info->pointer))->table_offset_entry[i];
}
@@ -326,11 +327,13 @@ acpi_get_firmware_table(acpi_string signature,
/* Compare table signatures and table instance */
- if (!ACPI_STRNCMP(header->signature, signature, ACPI_NAME_SIZE)) {
+ if (ACPI_COMPARE_NAME(header->signature, signature)) {
+
/* An instance of the table was found */
j++;
if (j >= instance) {
+
/* Found the correct instance, get the entire table */
status =
@@ -355,23 +358,21 @@ acpi_get_firmware_table(acpi_string signature,
acpi_os_unmap_memory(rsdt_info->pointer,
(acpi_size) rsdt_info->pointer->length);
}
- ACPI_MEM_FREE(rsdt_info);
+ ACPI_FREE(rsdt_info);
if (header) {
- ACPI_MEM_FREE(header);
+ ACPI_FREE(header);
}
if (table_info) {
- ACPI_MEM_FREE(table_info);
+ ACPI_FREE(table_info);
}
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_get_firmware_table);
+ACPI_EXPORT_SYMBOL(acpi_get_firmware_table)
/* TBD: Move to a new file */
-
#if ACPI_MACHINE_WIDTH != 16
-
/*******************************************************************************
*
* FUNCTION: acpi_find_root_pointer
@@ -384,13 +385,12 @@ EXPORT_SYMBOL(acpi_get_firmware_table);
* DESCRIPTION: Find the RSDP
*
******************************************************************************/
-
acpi_status acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address)
{
struct acpi_table_desc table_info;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_find_root_pointer");
+ ACPI_FUNCTION_TRACE(acpi_find_root_pointer);
/* Get the RSDP */
@@ -407,6 +407,8 @@ acpi_status acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address)
return_ACPI_STATUS(AE_OK);
}
+ACPI_EXPORT_SYMBOL(acpi_find_root_pointer)
+
/*******************************************************************************
*
* FUNCTION: acpi_tb_scan_memory_for_rsdp
@@ -419,14 +421,13 @@ acpi_status acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address)
* DESCRIPTION: Search a block of memory for the RSDP signature
*
******************************************************************************/
-
static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
{
acpi_status status;
u8 *mem_rover;
u8 *end_address;
- ACPI_FUNCTION_TRACE("tb_scan_memory_for_rsdp");
+ ACPI_FUNCTION_TRACE(tb_scan_memory_for_rsdp);
end_address = start_address + length;
@@ -434,12 +435,14 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
for (mem_rover = start_address; mem_rover < end_address;
mem_rover += ACPI_RSDP_SCAN_STEP) {
+
/* The RSDP signature and checksum must both be correct */
status =
acpi_tb_validate_rsdp(ACPI_CAST_PTR
(struct rsdp_descriptor, mem_rover));
if (ACPI_SUCCESS(status)) {
+
/* Sig and checksum valid, we have found a real RSDP */
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -469,10 +472,10 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
*
* RETURN: Status, RSDP physical address
*
- * DESCRIPTION: search lower 1_mbyte of memory for the root system descriptor
+ * DESCRIPTION: Search lower 1_mbyte of memory for the root system descriptor
* pointer structure. If it is found, set *RSDP to point to it.
*
- * NOTE1: The RSDp must be either in the first 1_k of the Extended
+ * NOTE1: The RSDP must be either in the first 1_k of the Extended
* BIOS Data Area or between E0000 and FFFFF (From ACPI Spec.)
* Only a 32-bit physical address is necessary.
*
@@ -489,12 +492,13 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
u32 physical_address;
acpi_status status;
- ACPI_FUNCTION_TRACE("tb_find_rsdp");
+ ACPI_FUNCTION_TRACE(tb_find_rsdp);
/*
* Scan supports either logical addressing or physical addressing
*/
if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) {
+
/* 1a) Get the location of the Extended BIOS Data Area (EBDA) */
status = acpi_os_map_memory((acpi_physical_address)
@@ -521,7 +525,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
if (physical_address > 0x400) {
/*
- * 1b) Search EBDA paragraphs (EBDa is required to be a
+ * 1b) Search EBDA paragraphs (EBDA is required to be a
* minimum of 1_k length)
*/
status = acpi_os_map_memory((acpi_physical_address)
@@ -542,10 +546,11 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
acpi_os_unmap_memory(table_ptr, ACPI_EBDA_WINDOW_SIZE);
if (mem_rover) {
+
/* Return the physical address */
physical_address +=
- ACPI_PTR_DIFF(mem_rover, table_ptr);
+ (u32) ACPI_PTR_DIFF(mem_rover, table_ptr);
table_info->physical_address =
(acpi_physical_address) physical_address;
@@ -576,11 +581,12 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
acpi_os_unmap_memory(table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);
if (mem_rover) {
+
/* Return the physical address */
- physical_address =
- ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF(mem_rover,
- table_ptr);
+ physical_address = (u32)
+ (ACPI_HI_RSDP_WINDOW_BASE +
+ ACPI_PTR_DIFF(mem_rover, table_ptr));
table_info->physical_address =
(acpi_physical_address) physical_address;
@@ -601,7 +607,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
if (physical_address > 0x400) {
/*
- * 1b) Search EBDA paragraphs (EBDa is required to be a minimum of
+ * 1b) Search EBDA paragraphs (EBDA is required to be a minimum of
* 1_k length)
*/
mem_rover =
@@ -609,6 +615,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
(physical_address),
ACPI_EBDA_WINDOW_SIZE);
if (mem_rover) {
+
/* Return the physical address */
table_info->physical_address =
@@ -624,6 +631,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
(ACPI_HI_RSDP_WINDOW_BASE),
ACPI_HI_RSDP_WINDOW_SIZE);
if (mem_rover) {
+
/* Found it, return the physical address */
table_info->physical_address =
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 19f3ea48475e..e7fe3a14fdaf 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -82,6 +82,7 @@ MODULE_PARM_DESC(tzp, "Thermal zone polling frequency, in 1/10 seconds.\n");
static int acpi_thermal_add(struct acpi_device *device);
static int acpi_thermal_remove(struct acpi_device *device, int type);
+static int acpi_thermal_resume(struct acpi_device *device, int state);
static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file);
static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file);
static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file);
@@ -103,6 +104,7 @@ static struct acpi_driver acpi_thermal_driver = {
.ops = {
.add = acpi_thermal_add,
.remove = acpi_thermal_remove,
+ .resume = acpi_thermal_resume,
},
};
@@ -684,8 +686,7 @@ static void acpi_thermal_run(unsigned long data)
{
struct acpi_thermal *tz = (struct acpi_thermal *)data;
if (!tz->zombie)
- acpi_os_queue_for_execution(OSD_PRIORITY_GPE,
- acpi_thermal_check, (void *)data);
+ acpi_os_execute(OSL_GPE_HANDLER, acpi_thermal_check, (void *)data);
}
static void acpi_thermal_check(void *data)
@@ -942,8 +943,10 @@ acpi_thermal_write_trip_points(struct file *file,
memset(limit_string, 0, ACPI_THERMAL_MAX_LIMIT_STR_LEN);
active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL);
- if (!active)
+ if (!active) {
+ kfree(limit_string);
return_VALUE(-ENOMEM);
+ }
if (!tz || (count > ACPI_THERMAL_MAX_LIMIT_STR_LEN - 1)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument\n"));
@@ -1342,7 +1345,7 @@ static int acpi_thermal_add(struct acpi_device *device)
result = acpi_thermal_add_fs(device);
if (result)
- return_VALUE(result);
+ goto end;
init_timer(&tz->timer);
@@ -1416,6 +1419,20 @@ static int acpi_thermal_remove(struct acpi_device *device, int type)
return_VALUE(0);
}
+static int acpi_thermal_resume(struct acpi_device *device, int state)
+{
+ struct acpi_thermal *tz = NULL;
+
+ if (!device || !acpi_driver_data(device))
+ return_VALUE(-EINVAL);
+
+ tz = (struct acpi_thermal *)acpi_driver_data(device);
+
+ acpi_thermal_check(tz);
+
+ return AE_OK;
+}
+
static int __init acpi_thermal_init(void)
{
int result = 0;
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index 03b0044974c2..7940fc1bd69e 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -46,24 +46,6 @@
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utalloc")
-/* Local prototypes */
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-static struct acpi_debug_mem_block *acpi_ut_find_allocation(void *allocation);
-
-static acpi_status
-acpi_ut_track_allocation(struct acpi_debug_mem_block *address,
- acpi_size size,
- u8 alloc_type, u32 component, char *module, u32 line);
-
-static acpi_status
-acpi_ut_remove_allocation(struct acpi_debug_mem_block *address,
- u32 component, char *module, u32 line);
-
-static acpi_status
-acpi_ut_create_list(char *list_name,
- u16 object_size, struct acpi_memory_list **return_cache);
-#endif
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_create_caches
@@ -75,33 +57,23 @@ acpi_ut_create_list(char *list_name,
* DESCRIPTION: Create all local caches
*
******************************************************************************/
-
acpi_status acpi_ut_create_caches(void)
{
acpi_status status;
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-
- /* Memory allocation lists */
-
- status = acpi_ut_create_list("Acpi-Global", 0, &acpi_gbl_global_list);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
+ /* Object Caches, for frequently used objects */
status =
- acpi_ut_create_list("Acpi-Namespace",
- sizeof(struct acpi_namespace_node),
- &acpi_gbl_ns_node_list);
+ acpi_os_create_cache("Acpi-Namespace",
+ sizeof(struct acpi_namespace_node),
+ ACPI_MAX_NAMESPACE_CACHE_DEPTH,
+ &acpi_gbl_namespace_cache);
if (ACPI_FAILURE(status)) {
return (status);
}
-#endif
-
- /* Object Caches, for frequently used objects */
status =
- acpi_os_create_cache("acpi_state", sizeof(union acpi_generic_state),
+ acpi_os_create_cache("Acpi-State", sizeof(union acpi_generic_state),
ACPI_MAX_STATE_CACHE_DEPTH,
&acpi_gbl_state_cache);
if (ACPI_FAILURE(status)) {
@@ -109,7 +81,7 @@ acpi_status acpi_ut_create_caches(void)
}
status =
- acpi_os_create_cache("acpi_parse",
+ acpi_os_create_cache("Acpi-Parse",
sizeof(struct acpi_parse_obj_common),
ACPI_MAX_PARSE_CACHE_DEPTH,
&acpi_gbl_ps_node_cache);
@@ -118,7 +90,7 @@ acpi_status acpi_ut_create_caches(void)
}
status =
- acpi_os_create_cache("acpi_parse_ext",
+ acpi_os_create_cache("Acpi-ParseExt",
sizeof(struct acpi_parse_obj_named),
ACPI_MAX_EXTPARSE_CACHE_DEPTH,
&acpi_gbl_ps_node_ext_cache);
@@ -127,7 +99,7 @@ acpi_status acpi_ut_create_caches(void)
}
status =
- acpi_os_create_cache("acpi_operand",
+ acpi_os_create_cache("Acpi-Operand",
sizeof(union acpi_operand_object),
ACPI_MAX_OBJECT_CACHE_DEPTH,
&acpi_gbl_operand_cache);
@@ -135,6 +107,24 @@ acpi_status acpi_ut_create_caches(void)
return (status);
}
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+ /* Memory allocation lists */
+
+ status = acpi_ut_create_list("Acpi-Global", 0, &acpi_gbl_global_list);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ status =
+ acpi_ut_create_list("Acpi-Namespace",
+ sizeof(struct acpi_namespace_node),
+ &acpi_gbl_ns_node_list);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+#endif
+
return (AE_OK);
}
@@ -153,6 +143,9 @@ acpi_status acpi_ut_create_caches(void)
acpi_status acpi_ut_delete_caches(void)
{
+ (void)acpi_os_delete_cache(acpi_gbl_namespace_cache);
+ acpi_gbl_namespace_cache = NULL;
+
(void)acpi_os_delete_cache(acpi_gbl_state_cache);
acpi_gbl_state_cache = NULL;
@@ -165,6 +158,21 @@ acpi_status acpi_ut_delete_caches(void)
(void)acpi_os_delete_cache(acpi_gbl_ps_node_ext_cache);
acpi_gbl_ps_node_ext_cache = NULL;
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+ /* Debug only - display leftover memory allocation, if any */
+
+ acpi_ut_dump_allocations(ACPI_UINT32_MAX, NULL);
+
+ /* Free memory lists */
+
+ acpi_os_free(acpi_gbl_global_list);
+ acpi_gbl_global_list = NULL;
+
+ acpi_os_free(acpi_gbl_ns_node_list);
+ acpi_gbl_ns_node_list = NULL;
+#endif
+
return (AE_OK);
}
@@ -252,7 +260,7 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
/* Allocate a new buffer with local interface to allow tracking */
- buffer->pointer = ACPI_MEM_CALLOCATE(required_length);
+ buffer->pointer = ACPI_ALLOCATE_ZEROED(required_length);
if (!buffer->pointer) {
return (AE_NO_MEMORY);
}
@@ -288,7 +296,7 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
- * DESCRIPTION: The subsystem's equivalent of malloc.
+ * DESCRIPTION: Subsystem equivalent of malloc.
*
******************************************************************************/
@@ -296,23 +304,23 @@ void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line)
{
void *allocation;
- ACPI_FUNCTION_TRACE_U32("ut_allocate", size);
+ ACPI_FUNCTION_TRACE_U32(ut_allocate, size);
/* Check for an inadvertent size of zero bytes */
if (!size) {
- ACPI_ERROR((module, line,
- "ut_allocate: Attempt to allocate zero bytes, allocating 1 byte"));
+ ACPI_WARNING((module, line,
+ "Attempt to allocate zero bytes, allocating 1 byte"));
size = 1;
}
allocation = acpi_os_allocate(size);
if (!allocation) {
+
/* Report allocation error */
- ACPI_ERROR((module, line,
- "ut_allocate: Could not allocate size %X",
- (u32) size));
+ ACPI_WARNING((module, line,
+ "Could not allocate size %X", (u32) size));
return_PTR(NULL);
}
@@ -322,7 +330,7 @@ void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line)
/*******************************************************************************
*
- * FUNCTION: acpi_ut_callocate
+ * FUNCTION: acpi_ut_allocate_zeroed
*
* PARAMETERS: Size - Size of the allocation
* Component - Component type of caller
@@ -331,542 +339,24 @@ void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line)
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
- * DESCRIPTION: Subsystem equivalent of calloc.
+ * DESCRIPTION: Subsystem equivalent of calloc. Allocate and zero memory.
*
******************************************************************************/
-void *acpi_ut_callocate(acpi_size size, u32 component, char *module, u32 line)
+void *acpi_ut_allocate_zeroed(acpi_size size,
+ u32 component, char *module, u32 line)
{
void *allocation;
- ACPI_FUNCTION_TRACE_U32("ut_callocate", size);
-
- /* Check for an inadvertent size of zero bytes */
-
- if (!size) {
- ACPI_ERROR((module, line,
- "Attempt to allocate zero bytes, allocating 1 byte"));
- size = 1;
- }
-
- allocation = acpi_os_allocate(size);
- if (!allocation) {
- /* Report allocation error */
-
- ACPI_ERROR((module, line,
- "Could not allocate size %X", (u32) size));
- return_PTR(NULL);
- }
-
- /* Clear the memory block */
-
- ACPI_MEMSET(allocation, 0, size);
- return_PTR(allocation);
-}
-
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-/*
- * These procedures are used for tracking memory leaks in the subsystem, and
- * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
- *
- * Each memory allocation is tracked via a doubly linked list. Each
- * element contains the caller's component, module name, function name, and
- * line number. acpi_ut_allocate and acpi_ut_callocate call
- * acpi_ut_track_allocation to add an element to the list; deletion
- * occurs in the body of acpi_ut_free.
- */
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_list
- *
- * PARAMETERS: cache_name - Ascii name for the cache
- * object_size - Size of each cached object
- * return_cache - Where the new cache object is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Create a local memory list for tracking purposed
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ut_create_list(char *list_name,
- u16 object_size, struct acpi_memory_list **return_cache)
-{
- struct acpi_memory_list *cache;
-
- cache = acpi_os_allocate(sizeof(struct acpi_memory_list));
- if (!cache) {
- return (AE_NO_MEMORY);
- }
-
- ACPI_MEMSET(cache, 0, sizeof(struct acpi_memory_list));
-
- cache->list_name = list_name;
- cache->object_size = object_size;
-
- *return_cache = cache;
- return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_allocate_and_track
- *
- * PARAMETERS: Size - Size of the allocation
- * Component - Component type of caller
- * Module - Source file name of caller
- * Line - Line number of caller
- *
- * RETURN: Address of the allocated memory on success, NULL on failure.
- *
- * DESCRIPTION: The subsystem's equivalent of malloc.
- *
- ******************************************************************************/
-
-void *acpi_ut_allocate_and_track(acpi_size size,
- u32 component, char *module, u32 line)
-{
- struct acpi_debug_mem_block *allocation;
- acpi_status status;
-
- allocation =
- acpi_ut_allocate(size + sizeof(struct acpi_debug_mem_header),
- component, module, line);
- if (!allocation) {
- return (NULL);
- }
-
- status = acpi_ut_track_allocation(allocation, size,
- ACPI_MEM_MALLOC, component, module,
- line);
- if (ACPI_FAILURE(status)) {
- acpi_os_free(allocation);
- return (NULL);
- }
-
- acpi_gbl_global_list->total_allocated++;
- acpi_gbl_global_list->current_total_size += (u32) size;
-
- return ((void *)&allocation->user_space);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_callocate_and_track
- *
- * PARAMETERS: Size - Size of the allocation
- * Component - Component type of caller
- * Module - Source file name of caller
- * Line - Line number of caller
- *
- * RETURN: Address of the allocated memory on success, NULL on failure.
- *
- * DESCRIPTION: Subsystem equivalent of calloc.
- *
- ******************************************************************************/
-
-void *acpi_ut_callocate_and_track(acpi_size size,
- u32 component, char *module, u32 line)
-{
- struct acpi_debug_mem_block *allocation;
- acpi_status status;
-
- allocation =
- acpi_ut_callocate(size + sizeof(struct acpi_debug_mem_header),
- component, module, line);
- if (!allocation) {
- /* Report allocation error */
-
- ACPI_ERROR((module, line,
- "Could not allocate size %X", (u32) size));
- return (NULL);
- }
-
- status = acpi_ut_track_allocation(allocation, size,
- ACPI_MEM_CALLOC, component, module,
- line);
- if (ACPI_FAILURE(status)) {
- acpi_os_free(allocation);
- return (NULL);
- }
-
- acpi_gbl_global_list->total_allocated++;
- acpi_gbl_global_list->current_total_size += (u32) size;
-
- return ((void *)&allocation->user_space);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_free_and_track
- *
- * PARAMETERS: Allocation - Address of the memory to deallocate
- * Component - Component type of caller
- * Module - Source file name of caller
- * Line - Line number of caller
- *
- * RETURN: None
- *
- * DESCRIPTION: Frees the memory at Allocation
- *
- ******************************************************************************/
-
-void
-acpi_ut_free_and_track(void *allocation, u32 component, char *module, u32 line)
-{
- struct acpi_debug_mem_block *debug_block;
- acpi_status status;
-
- ACPI_FUNCTION_TRACE_PTR("ut_free", allocation);
-
- if (NULL == allocation) {
- ACPI_ERROR((module, line, "Attempt to delete a NULL address"));
-
- return_VOID;
- }
-
- debug_block = ACPI_CAST_PTR(struct acpi_debug_mem_block,
- (((char *)allocation) -
- sizeof(struct acpi_debug_mem_header)));
-
- acpi_gbl_global_list->total_freed++;
- acpi_gbl_global_list->current_total_size -= debug_block->size;
-
- status = acpi_ut_remove_allocation(debug_block,
- component, module, line);
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Could not free memory"));
- }
-
- acpi_os_free(debug_block);
- ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "%p freed\n", allocation));
- return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_find_allocation
- *
- * PARAMETERS: Allocation - Address of allocated memory
- *
- * RETURN: A list element if found; NULL otherwise.
- *
- * DESCRIPTION: Searches for an element in the global allocation tracking list.
- *
- ******************************************************************************/
-
-static struct acpi_debug_mem_block *acpi_ut_find_allocation(void *allocation)
-{
- struct acpi_debug_mem_block *element;
-
ACPI_FUNCTION_ENTRY();
- element = acpi_gbl_global_list->list_head;
-
- /* Search for the address. */
-
- while (element) {
- if (element == allocation) {
- return (element);
- }
-
- element = element->next;
- }
-
- return (NULL);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_track_allocation
- *
- * PARAMETERS: Allocation - Address of allocated memory
- * Size - Size of the allocation
- * alloc_type - MEM_MALLOC or MEM_CALLOC
- * Component - Component type of caller
- * Module - Source file name of caller
- * Line - Line number of caller
- *
- * RETURN: None.
- *
- * DESCRIPTION: Inserts an element into the global allocation tracking list.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ut_track_allocation(struct acpi_debug_mem_block *allocation,
- acpi_size size,
- u8 alloc_type, u32 component, char *module, u32 line)
-{
- struct acpi_memory_list *mem_list;
- struct acpi_debug_mem_block *element;
- acpi_status status = AE_OK;
-
- ACPI_FUNCTION_TRACE_PTR("ut_track_allocation", allocation);
-
- mem_list = acpi_gbl_global_list;
- status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /*
- * Search list for this address to make sure it is not already on the list.
- * This will catch several kinds of problems.
- */
- element = acpi_ut_find_allocation(allocation);
- if (element) {
- ACPI_ERROR((AE_INFO,
- "ut_track_allocation: Allocation already present in list! (%p)",
- allocation));
-
- ACPI_ERROR((AE_INFO, "Element %p Address %p",
- element, allocation));
-
- goto unlock_and_exit;
- }
-
- /* Fill in the instance data. */
-
- allocation->size = (u32) size;
- allocation->alloc_type = alloc_type;
- allocation->component = component;
- allocation->line = line;
-
- ACPI_STRNCPY(allocation->module, module, ACPI_MAX_MODULE_NAME);
- allocation->module[ACPI_MAX_MODULE_NAME - 1] = 0;
-
- /* Insert at list head */
-
- if (mem_list->list_head) {
- ((struct acpi_debug_mem_block *)(mem_list->list_head))->
- previous = allocation;
- }
-
- allocation->next = mem_list->list_head;
- allocation->previous = NULL;
-
- mem_list->list_head = allocation;
-
- unlock_and_exit:
- status = acpi_ut_release_mutex(ACPI_MTX_MEMORY);
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_remove_allocation
- *
- * PARAMETERS: Allocation - Address of allocated memory
- * Component - Component type of caller
- * Module - Source file name of caller
- * Line - Line number of caller
- *
- * RETURN:
- *
- * DESCRIPTION: Deletes an element from the global allocation tracking list.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ut_remove_allocation(struct acpi_debug_mem_block *allocation,
- u32 component, char *module, u32 line)
-{
- struct acpi_memory_list *mem_list;
- acpi_status status;
-
- ACPI_FUNCTION_TRACE("ut_remove_allocation");
-
- mem_list = acpi_gbl_global_list;
- if (NULL == mem_list->list_head) {
- /* No allocations! */
-
- ACPI_ERROR((module, line,
- "Empty allocation list, nothing to free!"));
-
- return_ACPI_STATUS(AE_OK);
- }
-
- status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /* Unlink */
-
- if (allocation->previous) {
- (allocation->previous)->next = allocation->next;
- } else {
- mem_list->list_head = allocation->next;
- }
-
- if (allocation->next) {
- (allocation->next)->previous = allocation->previous;
- }
-
- /* Mark the segment as deleted */
-
- ACPI_MEMSET(&allocation->user_space, 0xEA, allocation->size);
-
- ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n",
- allocation->size));
+ allocation = acpi_ut_allocate(size, component, module, line);
+ if (allocation) {
- status = acpi_ut_release_mutex(ACPI_MTX_MEMORY);
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_dump_allocation_info
- *
- * PARAMETERS:
- *
- * RETURN: None
- *
- * DESCRIPTION: Print some info about the outstanding allocations.
- *
- ******************************************************************************/
+ /* Clear the memory block */
-#ifdef ACPI_FUTURE_USAGE
-void acpi_ut_dump_allocation_info(void)
-{
-/*
- struct acpi_memory_list *mem_list;
-*/
-
- ACPI_FUNCTION_TRACE("ut_dump_allocation_info");
-
-/*
- ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
- ("%30s: %4d (%3d Kb)\n", "Current allocations",
- mem_list->current_count,
- ROUND_UP_TO_1K (mem_list->current_size)));
-
- ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
- ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
- mem_list->max_concurrent_count,
- ROUND_UP_TO_1K (mem_list->max_concurrent_size)));
-
- ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
- ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
- running_object_count,
- ROUND_UP_TO_1K (running_object_size)));
-
- ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
- ("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
- running_alloc_count,
- ROUND_UP_TO_1K (running_alloc_size)));
-
- ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
- ("%30s: %4d (%3d Kb)\n", "Current Nodes",
- acpi_gbl_current_node_count,
- ROUND_UP_TO_1K (acpi_gbl_current_node_size)));
-
- ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
- ("%30s: %4d (%3d Kb)\n", "Max Nodes",
- acpi_gbl_max_concurrent_node_count,
- ROUND_UP_TO_1K ((acpi_gbl_max_concurrent_node_count *
- sizeof (struct acpi_namespace_node)))));
-*/
- return_VOID;
-}
-#endif /* ACPI_FUTURE_USAGE */
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_dump_allocations
- *
- * PARAMETERS: Component - Component(s) to dump info for.
- * Module - Module to dump info for. NULL means all.
- *
- * RETURN: None
- *
- * DESCRIPTION: Print a list of all outstanding allocations.
- *
- ******************************************************************************/
-
-void acpi_ut_dump_allocations(u32 component, char *module)
-{
- struct acpi_debug_mem_block *element;
- union acpi_descriptor *descriptor;
- u32 num_outstanding = 0;
-
- ACPI_FUNCTION_TRACE("ut_dump_allocations");
-
- /*
- * Walk the allocation list.
- */
- if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_MEMORY))) {
- return;
+ ACPI_MEMSET(allocation, 0, size);
}
- element = acpi_gbl_global_list->list_head;
- while (element) {
- if ((element->component & component) &&
- ((module == NULL)
- || (0 == ACPI_STRCMP(module, element->module)))) {
- /* Ignore allocated objects that are in a cache */
-
- descriptor =
- ACPI_CAST_PTR(union acpi_descriptor,
- &element->user_space);
- if (descriptor->descriptor_id != ACPI_DESC_TYPE_CACHED) {
- acpi_os_printf("%p Len %04X %9.9s-%d [%s] ",
- descriptor, element->size,
- element->module, element->line,
- acpi_ut_get_descriptor_name
- (descriptor));
-
- /* Most of the elements will be Operand objects. */
-
- switch (ACPI_GET_DESCRIPTOR_TYPE(descriptor)) {
- case ACPI_DESC_TYPE_OPERAND:
- acpi_os_printf("%12.12s R%hd",
- acpi_ut_get_type_name
- (descriptor->object.
- common.type),
- descriptor->object.
- common.reference_count);
- break;
-
- case ACPI_DESC_TYPE_PARSER:
- acpi_os_printf("aml_opcode %04hX",
- descriptor->op.asl.
- aml_opcode);
- break;
-
- case ACPI_DESC_TYPE_NAMED:
- acpi_os_printf("%4.4s",
- acpi_ut_get_node_name
- (&descriptor->node));
- break;
-
- default:
- break;
- }
-
- acpi_os_printf("\n");
- num_outstanding++;
- }
- }
- element = element->next;
- }
-
- (void)acpi_ut_release_mutex(ACPI_MTX_MEMORY);
-
- /* Print summary */
-
- if (!num_outstanding) {
- ACPI_INFO((AE_INFO, "No outstanding allocations"));
- } else {
- ACPI_ERROR((AE_INFO,
- "%d(%X) Outstanding allocations",
- num_outstanding, num_outstanding));
- }
-
- return_VOID;
+ return (allocation);
}
-
-#endif /* #ifdef ACPI_DBG_TRACK_ALLOCATIONS */
diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
index 2177cb1ef2c4..56270a30718a 100644
--- a/drivers/acpi/utilities/utcache.c
+++ b/drivers/acpi/utilities/utcache.c
@@ -118,13 +118,14 @@ acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache)
/* Walk the list of objects in this cache */
while (cache->list_head) {
+
/* Delete and unlink one cached state object */
next = *(ACPI_CAST_INDIRECT_PTR(char,
&(((char *)cache->
list_head)[cache->
link_offset])));
- ACPI_MEM_FREE(cache->list_head);
+ ACPI_FREE(cache->list_head);
cache->list_head = next;
cache->current_depth--;
@@ -193,7 +194,7 @@ acpi_os_release_object(struct acpi_memory_list * cache, void *object)
/* If cache is full, just free this object */
if (cache->current_depth >= cache->max_depth) {
- ACPI_MEM_FREE(object);
+ ACPI_FREE(object);
ACPI_MEM_TRACKING(cache->total_freed++);
}
@@ -243,7 +244,7 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
acpi_status status;
void *object;
- ACPI_FUNCTION_NAME("os_acquire_object");
+ ACPI_FUNCTION_NAME(os_acquire_object);
if (!cache) {
return (NULL);
@@ -259,6 +260,7 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
/* Check the cache first */
if (cache->list_head) {
+
/* There is an object available, use it */
object = cache->list_head;
@@ -270,9 +272,9 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
cache->current_depth--;
ACPI_MEM_TRACKING(cache->hits++);
- ACPI_MEM_TRACKING(ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Object %p from %s cache\n",
- object, cache->list_name)));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Object %p from %s cache\n", object,
+ cache->list_name));
status = acpi_ut_release_mutex(ACPI_MTX_CACHES);
if (ACPI_FAILURE(status)) {
@@ -287,14 +289,14 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
ACPI_MEM_TRACKING(cache->total_allocated++);
- /* Avoid deadlock with ACPI_MEM_CALLOCATE */
+ /* Avoid deadlock with ACPI_ALLOCATE_ZEROED */
status = acpi_ut_release_mutex(ACPI_MTX_CACHES);
if (ACPI_FAILURE(status)) {
return (NULL);
}
- object = ACPI_MEM_CALLOCATE(cache->object_size);
+ object = ACPI_ALLOCATE_ZEROED(cache->object_size);
if (!object) {
return (NULL);
}
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index df2d32096b72..5e1a80d1bc36 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -109,7 +109,7 @@ acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object,
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ut_copy_isimple_to_esimple");
+ ACPI_FUNCTION_TRACE(ut_copy_isimple_to_esimple);
*buffer_space_used = 0;
@@ -325,7 +325,7 @@ acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object,
acpi_status status;
struct acpi_pkg_info info;
- ACPI_FUNCTION_TRACE("ut_copy_ipackage_to_epackage");
+ ACPI_FUNCTION_TRACE(ut_copy_ipackage_to_epackage);
/*
* First package at head of the buffer
@@ -383,7 +383,7 @@ acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *internal_object,
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ut_copy_iobject_to_eobject");
+ ACPI_FUNCTION_TRACE(ut_copy_iobject_to_eobject);
if (ACPI_GET_OBJECT_TYPE(internal_object) == ACPI_TYPE_PACKAGE) {
/*
@@ -442,7 +442,7 @@ acpi_ut_copy_esimple_to_isimple(union acpi_object *external_object,
{
union acpi_operand_object *internal_object;
- ACPI_FUNCTION_TRACE("ut_copy_esimple_to_isimple");
+ ACPI_FUNCTION_TRACE(ut_copy_esimple_to_isimple);
/*
* Simple types supported are: String, Buffer, Integer
@@ -472,8 +472,8 @@ acpi_ut_copy_esimple_to_isimple(union acpi_object *external_object,
case ACPI_TYPE_STRING:
internal_object->string.pointer =
- ACPI_MEM_CALLOCATE((acpi_size) external_object->string.
- length + 1);
+ ACPI_ALLOCATE_ZEROED((acpi_size) external_object->string.
+ length + 1);
if (!internal_object->string.pointer) {
goto error_exit;
}
@@ -488,7 +488,7 @@ acpi_ut_copy_esimple_to_isimple(union acpi_object *external_object,
case ACPI_TYPE_BUFFER:
internal_object->buffer.pointer =
- ACPI_MEM_CALLOCATE(external_object->buffer.length);
+ ACPI_ALLOCATE_ZEROED(external_object->buffer.length);
if (!internal_object->buffer.pointer) {
goto error_exit;
}
@@ -552,7 +552,7 @@ acpi_ut_copy_epackage_to_ipackage(union acpi_operand_object *internal_object,
union acpi_operand_object *this_internal_obj;
union acpi_object *this_external_obj;
- ACPI_FUNCTION_TRACE("ut_copy_epackage_to_ipackage");
+ ACPI_FUNCTION_TRACE(ut_copy_epackage_to_ipackage);
/*
* First package at head of the buffer
@@ -600,7 +600,7 @@ acpi_ut_copy_eobject_to_iobject(union acpi_object *external_object,
{
acpi_status status;
- ACPI_FUNCTION_TRACE("ut_copy_eobject_to_iobject");
+ ACPI_FUNCTION_TRACE(ut_copy_eobject_to_iobject);
if (external_object->type == ACPI_TYPE_PACKAGE) {
/*
@@ -676,7 +676,7 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
if ((source_desc->buffer.pointer) &&
(source_desc->buffer.length)) {
dest_desc->buffer.pointer =
- ACPI_MEM_ALLOCATE(source_desc->buffer.length);
+ ACPI_ALLOCATE(source_desc->buffer.length);
if (!dest_desc->buffer.pointer) {
return (AE_NO_MEMORY);
}
@@ -697,8 +697,8 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
*/
if (source_desc->string.pointer) {
dest_desc->string.pointer =
- ACPI_MEM_ALLOCATE((acpi_size) source_desc->string.
- length + 1);
+ ACPI_ALLOCATE((acpi_size) source_desc->string.
+ length + 1);
if (!dest_desc->string.pointer) {
return (AE_NO_MEMORY);
}
@@ -805,9 +805,7 @@ acpi_ut_copy_ielement_to_ielement(u8 object_type,
/*
* Create the object array
*/
- target_object->package.elements =
- ACPI_MEM_CALLOCATE(((acpi_size) source_object->package.
- count + 1) * sizeof(void *));
+ target_object->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size) source_object->package.count + 1) * sizeof(void *));
if (!target_object->package.elements) {
status = AE_NO_MEMORY;
goto error_exit;
@@ -856,7 +854,7 @@ acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj,
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ut_copy_ipackage_to_ipackage");
+ ACPI_FUNCTION_TRACE(ut_copy_ipackage_to_ipackage);
dest_obj->common.type = ACPI_GET_OBJECT_TYPE(source_obj);
dest_obj->common.flags = source_obj->common.flags;
@@ -865,10 +863,10 @@ acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj,
/*
* Create the object array and walk the source package tree
*/
- dest_obj->package.elements = ACPI_MEM_CALLOCATE(((acpi_size)
- source_obj->package.
- count +
- 1) * sizeof(void *));
+ dest_obj->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size)
+ source_obj->package.
+ count +
+ 1) * sizeof(void *));
if (!dest_obj->package.elements) {
ACPI_ERROR((AE_INFO, "Package allocation failure"));
return_ACPI_STATUS(AE_NO_MEMORY);
@@ -882,6 +880,7 @@ acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj,
acpi_ut_copy_ielement_to_ielement,
walk_state);
if (ACPI_FAILURE(status)) {
+
/* On failure, delete the destination package object */
acpi_ut_remove_reference(dest_obj);
@@ -911,7 +910,7 @@ acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ut_copy_iobject_to_iobject");
+ ACPI_FUNCTION_TRACE(ut_copy_iobject_to_iobject);
/* Create the top level object */
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index 35f3d581e034..5ec1cfcc611d 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -41,8 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#define _COMPONENT ACPI_UTILITIES
@@ -123,12 +121,14 @@ static const char *acpi_ut_trim_function_name(const char *function_name)
/* All Function names are longer than 4 chars, check is safe */
if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) {
+
/* This is the case where the original source has not been modified */
return (function_name + 4);
}
if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) {
+
/* This is the case where the source has been 'linuxized' */
return (function_name + 5);
@@ -162,7 +162,7 @@ acpi_ut_debug_print(u32 requested_debug_level,
const char *function_name,
char *module_name, u32 component_id, char *format, ...)
{
- u32 thread_id;
+ acpi_thread_id thread_id;
va_list args;
/*
@@ -177,7 +177,6 @@ acpi_ut_debug_print(u32 requested_debug_level,
* Thread tracking and context switch notification
*/
thread_id = acpi_os_get_thread_id();
-
if (thread_id != acpi_gbl_prev_thread_id) {
if (ACPI_LV_THREADS & acpi_dbg_level) {
acpi_os_printf
@@ -206,7 +205,7 @@ acpi_ut_debug_print(u32 requested_debug_level,
acpi_os_vprintf(format, args);
}
-EXPORT_SYMBOL(acpi_ut_debug_print);
+ACPI_EXPORT_SYMBOL(acpi_ut_debug_print)
/*******************************************************************************
*
@@ -226,7 +225,6 @@ EXPORT_SYMBOL(acpi_ut_debug_print);
* debug_print so that the same macros can be used.
*
******************************************************************************/
-
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_debug_print_raw(u32 requested_debug_level,
u32 line_number,
@@ -244,7 +242,7 @@ acpi_ut_debug_print_raw(u32 requested_debug_level,
acpi_os_vprintf(format, args);
}
-EXPORT_SYMBOL(acpi_ut_debug_print_raw);
+ACPI_EXPORT_SYMBOL(acpi_ut_debug_print_raw)
/*******************************************************************************
*
@@ -261,7 +259,6 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw);
* set in debug_level
*
******************************************************************************/
-
void
acpi_ut_trace(u32 line_number,
const char *function_name, char *module_name, u32 component_id)
@@ -275,7 +272,7 @@ acpi_ut_trace(u32 line_number,
component_id, "%s\n", acpi_gbl_fn_entry_str);
}
-EXPORT_SYMBOL(acpi_ut_trace);
+ACPI_EXPORT_SYMBOL(acpi_ut_trace)
/*******************************************************************************
*
@@ -293,7 +290,6 @@ EXPORT_SYMBOL(acpi_ut_trace);
* set in debug_level
*
******************************************************************************/
-
void
acpi_ut_trace_ptr(u32 line_number,
const char *function_name,
@@ -400,7 +396,7 @@ acpi_ut_exit(u32 line_number,
acpi_gbl_nesting_level--;
}
-EXPORT_SYMBOL(acpi_ut_exit);
+ACPI_EXPORT_SYMBOL(acpi_ut_exit)
/*******************************************************************************
*
@@ -418,7 +414,6 @@ EXPORT_SYMBOL(acpi_ut_exit);
* set in debug_level. Prints exit status also.
*
******************************************************************************/
-
void
acpi_ut_status_exit(u32 line_number,
const char *function_name,
@@ -442,7 +437,7 @@ acpi_ut_status_exit(u32 line_number,
acpi_gbl_nesting_level--;
}
-EXPORT_SYMBOL(acpi_ut_status_exit);
+ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
/*******************************************************************************
*
@@ -460,7 +455,6 @@ EXPORT_SYMBOL(acpi_ut_status_exit);
* set in debug_level. Prints exit value also.
*
******************************************************************************/
-
void
acpi_ut_value_exit(u32 line_number,
const char *function_name,
@@ -475,7 +469,7 @@ acpi_ut_value_exit(u32 line_number,
acpi_gbl_nesting_level--;
}
-EXPORT_SYMBOL(acpi_ut_value_exit);
+ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
/*******************************************************************************
*
@@ -493,7 +487,6 @@ EXPORT_SYMBOL(acpi_ut_value_exit);
* set in debug_level. Prints exit value also.
*
******************************************************************************/
-
void
acpi_ut_ptr_exit(u32 line_number,
const char *function_name,
@@ -524,20 +517,13 @@ acpi_ut_ptr_exit(u32 line_number,
*
******************************************************************************/
-void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
+void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
{
acpi_native_uint i = 0;
acpi_native_uint j;
u32 temp32;
u8 buf_char;
- /* Only dump the buffer if tracing is enabled */
-
- if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
- (component_id & acpi_dbg_layer))) {
- return;
- }
-
if ((count < 4) || (count & 0x01)) {
display = DB_BYTE_DISPLAY;
}
@@ -545,6 +531,7 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
/* Nasty little dump buffer routine! */
while (i < count) {
+
/* Print current offset */
acpi_os_printf("%6.4X: ", (u32) i);
@@ -553,6 +540,7 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
for (j = 0; j < 16;) {
if (i + j >= count) {
+
/* Dump fill spaces */
acpi_os_printf("%*s", ((display * 2) + 1), " ");
@@ -561,6 +549,7 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
}
switch (display) {
+ case DB_BYTE_DISPLAY:
default: /* Default is BYTE display */
acpi_os_printf("%02X ", buffer[i + j]);
@@ -618,3 +607,31 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
return;
}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_dump_buffer
+ *
+ * PARAMETERS: Buffer - Buffer to dump
+ * Count - Amount to dump, in bytes
+ * Display - BYTE, WORD, DWORD, or QWORD display
+ * component_iD - Caller's component ID
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Generic dump buffer in both hex and ascii.
+ *
+ ******************************************************************************/
+
+void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
+{
+
+ /* Only dump the buffer if tracing is enabled */
+
+ if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
+ (component_id & acpi_dbg_layer))) {
+ return;
+ }
+
+ acpi_ut_dump_buffer2(buffer, count, display);
+}
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index 1db9695b0029..67b9f325c6fa 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -76,7 +76,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
union acpi_operand_object *second_desc;
union acpi_operand_object *next_desc;
- ACPI_FUNCTION_TRACE_PTR("ut_delete_internal_obj", object);
+ ACPI_FUNCTION_TRACE_PTR(ut_delete_internal_obj, object);
if (!object) {
return_VOID;
@@ -96,6 +96,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
/* Free the actual string buffer */
if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) {
+
/* But only if it is NOT a pointer into an ACPI table */
obj_pointer = object->string.pointer;
@@ -111,6 +112,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
/* Free the actual buffer */
if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) {
+
/* But only if it is NOT a pointer into an ACPI table */
obj_pointer = object->buffer.pointer;
@@ -198,11 +200,22 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
*/
handler_desc = object->region.handler;
if (handler_desc) {
- if (handler_desc->address_space.
- hflags &
+ if (handler_desc->address_space.handler_flags &
ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
- obj_pointer =
- second_desc->extra.region_context;
+
+ /* Deactivate region and free region context */
+
+ if (handler_desc->address_space.setup) {
+ (void)handler_desc->
+ address_space.setup(object,
+ ACPI_REGION_DEACTIVATE,
+ handler_desc->
+ address_space.
+ context,
+ &second_desc->
+ extra.
+ region_context);
+ }
}
acpi_ut_remove_reference(handler_desc);
@@ -234,7 +247,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
if (obj_pointer) {
ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
"Deleting Object Subptr %p\n", obj_pointer));
- ACPI_MEM_FREE(obj_pointer);
+ ACPI_FREE(obj_pointer);
}
/* Now the object can be safely deleted */
@@ -263,7 +276,7 @@ void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list)
{
union acpi_operand_object **internal_obj;
- ACPI_FUNCTION_TRACE("ut_delete_internal_object_list");
+ ACPI_FUNCTION_TRACE(ut_delete_internal_object_list);
/* Walk the null-terminated internal list */
@@ -273,7 +286,7 @@ void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list)
/* Free the combined parameter pointer list and object array */
- ACPI_MEM_FREE(obj_list);
+ ACPI_FREE(obj_list);
return_VOID;
}
@@ -296,7 +309,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
u16 count;
u16 new_count;
- ACPI_FUNCTION_NAME("ut_update_ref_count");
+ ACPI_FUNCTION_NAME(ut_update_ref_count);
if (!object) {
return;
@@ -306,11 +319,9 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
new_count = count;
/*
- * Perform the reference count action
- * (increment, decrement, or force delete)
+ * Perform the reference count action (increment, decrement, force delete)
*/
switch (action) {
-
case REF_INCREMENT:
new_count++;
@@ -347,7 +358,6 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
if (new_count == 0) {
acpi_ut_delete_internal_obj(object);
}
-
break;
case REF_FORCE_DELETE:
@@ -372,13 +382,10 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
* (A deleted object will have a huge reference count)
*/
if (count > ACPI_MAX_REFERENCE_COUNT) {
-
ACPI_WARNING((AE_INFO,
- "Large Reference Count (%X) in object %p",
- count, object));
+ "Large Reference Count (%X) in object %p", count,
+ object));
}
-
- return;
}
/*******************************************************************************
@@ -404,7 +411,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
******************************************************************************/
acpi_status
-acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action)
+acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
{
acpi_status status = AE_OK;
union acpi_generic_state *state_list = NULL;
@@ -412,9 +419,10 @@ acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action)
union acpi_generic_state *state;
acpi_native_uint i;
- ACPI_FUNCTION_TRACE_PTR("ut_update_object_reference", object);
+ ACPI_FUNCTION_TRACE_PTR(ut_update_object_reference, object);
while (object) {
+
/* Make sure that this isn't a namespace handle */
if (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED) {
@@ -507,11 +515,11 @@ acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action)
case ACPI_TYPE_REGION:
default:
- break; /* No subobjects */
+ break; /* No subobjects for all other types */
}
/*
- * Now we can update the count in the main object. This can only
+ * Now we can update the count in the main object. This can only
* happen after we update the sub-objects in case this causes the
* main object to be deleted.
*/
@@ -556,7 +564,7 @@ acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action)
void acpi_ut_add_reference(union acpi_operand_object *object)
{
- ACPI_FUNCTION_TRACE_PTR("ut_add_reference", object);
+ ACPI_FUNCTION_TRACE_PTR(ut_add_reference, object);
/* Ensure that we have a valid object */
@@ -589,11 +597,11 @@ void acpi_ut_add_reference(union acpi_operand_object *object)
void acpi_ut_remove_reference(union acpi_operand_object *object)
{
- ACPI_FUNCTION_TRACE_PTR("ut_remove_reference", object);
+ ACPI_FUNCTION_TRACE_PTR(ut_remove_reference, object);
/*
- * Allow a NULL pointer to be passed in, just ignore it. This saves
- * each caller from having to check. Also, ignore NS nodes.
+ * Allow a NULL pointer to be passed in, just ignore it. This saves
+ * each caller from having to check. Also, ignore NS nodes.
*
*/
if (!object ||
@@ -613,7 +621,7 @@ void acpi_ut_remove_reference(union acpi_operand_object *object)
/*
* Decrement the reference count, and only actually delete the object
- * if the reference count becomes 0. (Must also decrement the ref count
+ * if the reference count becomes 0. (Must also decrement the ref count
* of all subobjects!)
*/
(void)acpi_ut_update_object_reference(object, REF_DECREMENT);
diff --git a/drivers/acpi/utilities/uteval.c b/drivers/acpi/utilities/uteval.c
index 106cc97cb4af..d6d7121583c0 100644
--- a/drivers/acpi/utilities/uteval.c
+++ b/drivers/acpi/utilities/uteval.c
@@ -56,6 +56,34 @@ static acpi_status
acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
struct acpi_compatible_id *one_cid);
+/*
+ * Strings supported by the _OSI predefined (internal) method.
+ */
+static const char *acpi_interfaces_supported[] = {
+ /* Operating System Vendor Strings */
+
+ "Linux",
+ "Windows 2000",
+ "Windows 2001",
+ "Windows 2001 SP0",
+ "Windows 2001 SP1",
+ "Windows 2001 SP2",
+ "Windows 2001 SP3",
+ "Windows 2001 SP4",
+ "Windows 2001.1",
+ "Windows 2001.1 SP1", /* Added 03/2006 */
+ "Windows 2006", /* Added 03/2006 */
+
+ /* Feature Group Strings */
+
+ "Extended Address Space Descriptor"
+ /*
+ * All "optional" feature group strings (features that are implemented
+ * by the host) should be implemented in the host version of
+ * acpi_os_validate_interface and should not be added here.
+ */
+};
+
/*******************************************************************************
*
* FUNCTION: acpi_ut_osi_implementation
@@ -64,18 +92,18 @@ acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
*
* RETURN: Status
*
- * DESCRIPTION: Implementation of _OSI predefined control method
- * Supported = _OSI (String)
+ * DESCRIPTION: Implementation of the _OSI predefined control method
*
******************************************************************************/
acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
{
+ acpi_status status;
union acpi_operand_object *string_desc;
union acpi_operand_object *return_desc;
acpi_native_uint i;
- ACPI_FUNCTION_TRACE("ut_osi_implementation");
+ ACPI_FUNCTION_TRACE(ut_osi_implementation);
/* Validate the string input argument */
@@ -84,28 +112,47 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
return_ACPI_STATUS(AE_TYPE);
}
- /* Create a return object (Default value = 0) */
+ /* Create a return object */
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
- /* Compare input string to table of supported strings */
+ /* Default return value is SUPPORTED */
+
+ return_desc->integer.value = ACPI_UINT32_MAX;
+ walk_state->return_desc = return_desc;
+
+ /* Compare input string to static table of supported interfaces */
- for (i = 0; i < ACPI_NUM_OSI_STRINGS; i++) {
- if (!ACPI_STRCMP(string_desc->string.pointer,
- ACPI_CAST_PTR(char,
- acpi_gbl_valid_osi_strings[i])))
- {
- /* This string is supported */
+ for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) {
+ if (!ACPI_STRCMP
+ (string_desc->string.pointer,
+ acpi_interfaces_supported[i])) {
- return_desc->integer.value = 0xFFFFFFFF;
- break;
+ /* The interface is supported */
+
+ return_ACPI_STATUS(AE_CTRL_TERMINATE);
}
}
- walk_state->return_desc = return_desc;
+ /*
+ * Did not match the string in the static table, call the host OSL to
+ * check for a match with one of the optional strings (such as
+ * "Module Device", "3.0 Thermal Model", etc.)
+ */
+ status = acpi_os_validate_interface(string_desc->string.pointer);
+ if (ACPI_SUCCESS(status)) {
+
+ /* The interface is supported */
+
+ return_ACPI_STATUS(AE_CTRL_TERMINATE);
+ }
+
+ /* The interface is not supported */
+
+ return_desc->integer.value = 0;
return_ACPI_STATUS(AE_CTRL_TERMINATE);
}
@@ -134,19 +181,26 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
u32 expected_return_btypes,
union acpi_operand_object **return_desc)
{
- struct acpi_parameter_info info;
+ struct acpi_evaluate_info *info;
acpi_status status;
u32 return_btype;
- ACPI_FUNCTION_TRACE("ut_evaluate_object");
+ ACPI_FUNCTION_TRACE(ut_evaluate_object);
- info.node = prefix_node;
- info.parameters = NULL;
- info.parameter_type = ACPI_PARAM_ARGS;
+ /* Allocate the evaluation information block */
+
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ info->prefix_node = prefix_node;
+ info->pathname = path;
+ info->parameter_type = ACPI_PARAM_ARGS;
/* Evaluate the object/method */
- status = acpi_ns_evaluate_relative(path, &info);
+ status = acpi_ns_evaluate(info);
if (ACPI_FAILURE(status)) {
if (status == AE_NOT_FOUND) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
@@ -158,25 +212,25 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
prefix_node, path, status);
}
- return_ACPI_STATUS(status);
+ goto cleanup;
}
/* Did we get a return object? */
- if (!info.return_object) {
+ if (!info->return_object) {
if (expected_return_btypes) {
ACPI_ERROR_METHOD("No object was returned from",
prefix_node, path, AE_NOT_EXIST);
- return_ACPI_STATUS(AE_NOT_EXIST);
+ status = AE_NOT_EXIST;
}
- return_ACPI_STATUS(AE_OK);
+ goto cleanup;
}
/* Map the return object type to the bitmapped type */
- switch (ACPI_GET_OBJECT_TYPE(info.return_object)) {
+ switch (ACPI_GET_OBJECT_TYPE(info->return_object)) {
case ACPI_TYPE_INTEGER:
return_btype = ACPI_BTYPE_INTEGER;
break;
@@ -204,8 +258,8 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
* happen frequently if the "implicit return" feature is enabled.
* Just delete the return object and return AE_OK.
*/
- acpi_ut_remove_reference(info.return_object);
- return_ACPI_STATUS(AE_OK);
+ acpi_ut_remove_reference(info->return_object);
+ goto cleanup;
}
/* Is the return object one of the expected types? */
@@ -217,19 +271,23 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
ACPI_ERROR((AE_INFO,
"Type returned from %s was incorrect: %s, expected Btypes: %X",
path,
- acpi_ut_get_object_type_name(info.return_object),
+ acpi_ut_get_object_type_name(info->return_object),
expected_return_btypes));
/* On error exit, we must delete the return object */
- acpi_ut_remove_reference(info.return_object);
- return_ACPI_STATUS(AE_TYPE);
+ acpi_ut_remove_reference(info->return_object);
+ status = AE_TYPE;
+ goto cleanup;
}
/* Object type is OK, return it */
- *return_desc = info.return_object;
- return_ACPI_STATUS(AE_OK);
+ *return_desc = info->return_object;
+
+ cleanup:
+ ACPI_FREE(info);
+ return_ACPI_STATUS(status);
}
/*******************************************************************************
@@ -257,7 +315,7 @@ acpi_ut_evaluate_numeric_object(char *object_name,
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("ut_evaluate_numeric_object");
+ ACPI_FUNCTION_TRACE(ut_evaluate_numeric_object);
status = acpi_ut_evaluate_object(device_node, object_name,
ACPI_BTYPE_INTEGER, &obj_desc);
@@ -333,7 +391,7 @@ acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("ut_execute_HID");
+ ACPI_FUNCTION_TRACE(ut_execute_HID);
status = acpi_ut_evaluate_object(device_node, METHOD_NAME__HID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
@@ -343,6 +401,7 @@ acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
}
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
+
/* Convert the Numeric HID to string */
acpi_ex_eisa_id_to_string((u32) obj_desc->integer.value,
@@ -436,7 +495,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
struct acpi_compatible_id_list *cid_list;
acpi_native_uint i;
- ACPI_FUNCTION_TRACE("ut_execute_CID");
+ ACPI_FUNCTION_TRACE(ut_execute_CID);
/* Evaluate the _CID method for this device */
@@ -459,7 +518,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
size = (((count - 1) * sizeof(struct acpi_compatible_id)) +
sizeof(struct acpi_compatible_id_list));
- cid_list = ACPI_MEM_CALLOCATE((acpi_size) size);
+ cid_list = ACPI_ALLOCATE_ZEROED((acpi_size) size);
if (!cid_list) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -479,6 +538,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
/* The _CID object can be either a single CID or a package (list) of CIDs */
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) {
+
/* Translate each package element */
for (i = 0; i < count; i++) {
@@ -499,7 +559,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
/* Cleanup on error */
if (ACPI_FAILURE(status)) {
- ACPI_MEM_FREE(cid_list);
+ ACPI_FREE(cid_list);
} else {
*return_cid_list = cid_list;
}
@@ -533,7 +593,7 @@ acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("ut_execute_UID");
+ ACPI_FUNCTION_TRACE(ut_execute_UID);
status = acpi_ut_evaluate_object(device_node, METHOD_NAME__UID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
@@ -543,6 +603,7 @@ acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
}
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
+
/* Convert the Numeric UID to string */
acpi_ex_unsigned_integer_to_string(obj_desc->integer.value,
@@ -582,7 +643,7 @@ acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 * flags)
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("ut_execute_STA");
+ ACPI_FUNCTION_TRACE(ut_execute_STA);
status = acpi_ut_evaluate_object(device_node, METHOD_NAME__STA,
ACPI_BTYPE_INTEGER, &obj_desc);
@@ -632,7 +693,7 @@ acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest)
acpi_status status;
u32 i;
- ACPI_FUNCTION_TRACE("ut_execute_Sxds");
+ ACPI_FUNCTION_TRACE(ut_execute_sxds);
for (i = 0; i < 4; i++) {
highest[i] = 0xFF;
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index ffd13383a325..e5999c65c0b8 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -43,7 +43,6 @@
#define DEFINE_ACPI_GLOBALS
-#include <linux/module.h>
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
@@ -119,6 +118,7 @@ const char *acpi_format_exception(acpi_status status)
}
if (!exception) {
+
/* Exception code was not recognized */
ACPI_ERROR((AE_INFO,
@@ -143,12 +143,10 @@ const char *acpi_format_exception(acpi_status status)
/* Debug switch - level and trace mask */
u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
-EXPORT_SYMBOL(acpi_dbg_level);
/* Debug switch - layer (component) mask */
u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS;
-EXPORT_SYMBOL(acpi_dbg_layer);
u32 acpi_gbl_nesting_level = 0;
/* Debugger globals */
@@ -183,28 +181,6 @@ const char *acpi_gbl_highest_dstate_names[4] = {
"_S4D"
};
-/*
- * Strings supported by the _OSI predefined (internal) method.
- * When adding strings, be sure to update ACPI_NUM_OSI_STRINGS.
- */
-const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS] = {
- /* Operating System Vendor Strings */
-
- "Linux",
- "Windows 2000",
- "Windows 2001",
- "Windows 2001.1",
- "Windows 2001 SP0",
- "Windows 2001 SP1",
- "Windows 2001 SP2",
- "Windows 2001 SP3",
- "Windows 2001 SP4",
-
- /* Feature Group Strings */
-
- "Extended Address Space Descriptor"
-};
-
/*******************************************************************************
*
* Namespace globals
@@ -317,9 +293,9 @@ char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position)
*
******************************************************************************/
-struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES];
+struct acpi_table_list acpi_gbl_table_lists[ACPI_TABLE_ID_MAX + 1];
-struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES] = {
+struct acpi_table_support acpi_gbl_table_data[ACPI_TABLE_ID_MAX + 1] = {
/*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */
/* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof(RSDP_SIG) - 1,
@@ -467,7 +443,6 @@ struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] =
/* Region type decoding */
const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = {
-/*! [Begin] no source code translation (keep these ASL Keywords as-is) */
"SystemMemory",
"SystemIO",
"PCI_Config",
@@ -476,16 +451,15 @@ const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = {
"CMOS",
"PCIBARTarget",
"DataTable"
-/*! [End] no source code translation !*/
};
char *acpi_ut_get_region_name(u8 space_id)
{
if (space_id >= ACPI_USER_REGION_BEGIN) {
- return ("user_defined_region");
+ return ("UserDefinedRegion");
} else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) {
- return ("invalid_space_id");
+ return ("InvalidSpaceId");
}
return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id]));
@@ -506,20 +480,18 @@ char *acpi_ut_get_region_name(u8 space_id)
/* Event type decoding */
static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = {
-/*! [Begin] no source code translation (keep these strings as-is) */
"PM_Timer",
"GlobalLock",
"PowerButton",
"SleepButton",
"RealTimeClock",
-/*! [End] no source code translation !*/
};
char *acpi_ut_get_event_name(u32 event_id)
{
if (event_id > ACPI_EVENT_MAX) {
- return ("invalid_event_iD");
+ return ("InvalidEventID");
}
return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id]));
@@ -550,7 +522,6 @@ static const char acpi_gbl_bad_type[] = "UNDEFINED";
/* Printable names of the ACPI object types */
static const char *acpi_gbl_ns_type_names[] = {
-/*! [Begin] no source code translation (keep these strings as-is) */
/* 00 */ "Untyped",
/* 01 */ "Integer",
/* 02 */ "String",
@@ -582,7 +553,6 @@ static const char *acpi_gbl_ns_type_names[] = {
/* 28 */ "Extra",
/* 29 */ "Data",
/* 30 */ "Invalid"
-/*! [End] no source code translation !*/
};
char *acpi_ut_get_type_name(acpi_object_type type)
@@ -635,14 +605,14 @@ char *acpi_ut_get_node_name(void *object)
/* Descriptor must be a namespace node */
- if (node->descriptor != ACPI_DESC_TYPE_NAMED) {
+ if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {
return ("####");
}
/* Name must be a valid ACPI name */
if (!acpi_ut_valid_acpi_name(node->name.integer)) {
- return ("????");
+ node->name.integer = acpi_ut_repair_name(node->name.integer);
}
/* Return the name */
@@ -665,7 +635,6 @@ char *acpi_ut_get_node_name(void *object)
/* Printable names of object descriptor types */
static const char *acpi_gbl_desc_type_names[] = {
-/*! [Begin] no source code translation (keep these ASL Keywords as-is) */
/* 00 */ "Invalid",
/* 01 */ "Cached",
/* 02 */ "State-Generic",
@@ -682,7 +651,6 @@ static const char *acpi_gbl_desc_type_names[] = {
/* 13 */ "Parser",
/* 14 */ "Operand",
/* 15 */ "Node"
-/*! [End] no source code translation !*/
};
char *acpi_ut_get_descriptor_name(void *object)
@@ -723,7 +691,7 @@ char *acpi_ut_get_descriptor_name(void *object)
char *acpi_ut_get_mutex_name(u32 mutex_id)
{
- if (mutex_id > MAX_MUTEX) {
+ if (mutex_id > ACPI_MAX_MUTEX) {
return ("Invalid Mutex ID");
}
@@ -747,6 +715,7 @@ u8 acpi_ut_valid_object_type(acpi_object_type type)
{
if (type > ACPI_TYPE_LOCAL_MAX) {
+
/* Note: Assumes all TYPEs are contiguous (external/local) */
return (FALSE);
@@ -773,7 +742,7 @@ void acpi_ut_init_globals(void)
acpi_status status;
u32 i;
- ACPI_FUNCTION_TRACE("ut_init_globals");
+ ACPI_FUNCTION_TRACE(ut_init_globals);
/* Create all memory caches */
@@ -784,14 +753,14 @@ void acpi_ut_init_globals(void)
/* ACPI table structure */
- for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) {
+ for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) {
acpi_gbl_table_lists[i].next = NULL;
acpi_gbl_table_lists[i].count = 0;
}
/* Mutex locked flags */
- for (i = 0; i < NUM_MUTEX; i++) {
+ for (i = 0; i < ACPI_NUM_MUTEX; i++) {
acpi_gbl_mutex_info[i].mutex = NULL;
acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
acpi_gbl_mutex_info[i].use_count = 0;
@@ -856,7 +825,7 @@ void acpi_ut_init_globals(void)
acpi_gbl_root_node = NULL;
acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
- acpi_gbl_root_node_struct.descriptor = ACPI_DESC_TYPE_NAMED;
+ acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;
acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
acpi_gbl_root_node_struct.child = NULL;
acpi_gbl_root_node_struct.peer = NULL;
@@ -869,3 +838,6 @@ void acpi_ut_init_globals(void)
return_VOID;
}
+
+ACPI_EXPORT_SYMBOL(acpi_dbg_level)
+ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c
index ba771b4f39bc..ff76055eb7d6 100644
--- a/drivers/acpi/utilities/utinit.c
+++ b/drivers/acpi/utilities/utinit.c
@@ -50,7 +50,7 @@ ACPI_MODULE_NAME("utinit")
/* Local prototypes */
static void
-acpi_ut_fadt_register_error(char *register_name, u32 value, acpi_size offset);
+acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset);
static void acpi_ut_terminate(void);
@@ -69,12 +69,12 @@ static void acpi_ut_terminate(void);
******************************************************************************/
static void
-acpi_ut_fadt_register_error(char *register_name, u32 value, acpi_size offset)
+acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset)
{
ACPI_WARNING((AE_INFO,
"Invalid FADT value %s=%X at offset %X FADT=%p",
- register_name, value, (u32) offset, acpi_gbl_FADT));
+ register_name, value, offset, acpi_gbl_FADT));
}
/******************************************************************************
@@ -176,7 +176,7 @@ static void acpi_ut_terminate(void)
struct acpi_gpe_xrupt_info *gpe_xrupt_info;
struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;
- ACPI_FUNCTION_TRACE("ut_terminate");
+ ACPI_FUNCTION_TRACE(ut_terminate);
/* Free global tables, etc. */
/* Free global GPE blocks and related info structures */
@@ -186,14 +186,14 @@ static void acpi_ut_terminate(void)
gpe_block = gpe_xrupt_info->gpe_block_list_head;
while (gpe_block) {
next_gpe_block = gpe_block->next;
- ACPI_MEM_FREE(gpe_block->event_info);
- ACPI_MEM_FREE(gpe_block->register_info);
- ACPI_MEM_FREE(gpe_block);
+ ACPI_FREE(gpe_block->event_info);
+ ACPI_FREE(gpe_block->register_info);
+ ACPI_FREE(gpe_block);
gpe_block = next_gpe_block;
}
next_gpe_xrupt_info = gpe_xrupt_info->next;
- ACPI_MEM_FREE(gpe_xrupt_info);
+ ACPI_FREE(gpe_xrupt_info);
gpe_xrupt_info = next_gpe_xrupt_info;
}
@@ -216,7 +216,7 @@ static void acpi_ut_terminate(void)
void acpi_ut_subsystem_shutdown(void)
{
- ACPI_FUNCTION_TRACE("ut_subsystem_shutdown");
+ ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
/* Just exit if subsystem is already shutdown */
@@ -228,6 +228,7 @@ void acpi_ut_subsystem_shutdown(void)
/* Subsystem appears active, go ahead and shut it down */
acpi_gbl_shutdown = TRUE;
+ acpi_gbl_startup_flags = 0;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n"));
/* Close the acpi_event Handling */
@@ -245,12 +246,5 @@ void acpi_ut_subsystem_shutdown(void)
/* Purge the local caches */
(void)acpi_ut_delete_caches();
-
- /* Debug only - display leftover memory allocation, if any */
-
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
- acpi_ut_dump_allocations(ACPI_UINT32_MAX, NULL);
-#endif
-
return_VOID;
}
diff --git a/drivers/acpi/utilities/utmath.c b/drivers/acpi/utilities/utmath.c
index 4a3360484e72..19d74bedce27 100644
--- a/drivers/acpi/utilities/utmath.c
+++ b/drivers/acpi/utilities/utmath.c
@@ -77,7 +77,7 @@ acpi_ut_short_divide(acpi_integer dividend,
union uint64_overlay quotient;
u32 remainder32;
- ACPI_FUNCTION_TRACE("ut_short_divide");
+ ACPI_FUNCTION_TRACE(ut_short_divide);
/* Always check for a zero divisor */
@@ -139,7 +139,7 @@ acpi_ut_divide(acpi_integer in_dividend,
union uint64_overlay partial2;
union uint64_overlay partial3;
- ACPI_FUNCTION_TRACE("ut_divide");
+ ACPI_FUNCTION_TRACE(ut_divide);
/* Always check for a zero divisor */
@@ -261,7 +261,7 @@ acpi_ut_short_divide(acpi_integer in_dividend,
acpi_integer * out_quotient, u32 * out_remainder)
{
- ACPI_FUNCTION_TRACE("ut_short_divide");
+ ACPI_FUNCTION_TRACE(ut_short_divide);
/* Always check for a zero divisor */
@@ -287,7 +287,7 @@ acpi_ut_divide(acpi_integer in_dividend,
acpi_integer in_divisor,
acpi_integer * out_quotient, acpi_integer * out_remainder)
{
- ACPI_FUNCTION_TRACE("ut_divide");
+ ACPI_FUNCTION_TRACE(ut_divide);
/* Always check for a zero divisor */
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 7364f5f8c9cd..5c75d35ad1cd 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -49,6 +49,33 @@ ACPI_MODULE_NAME("utmisc")
/*******************************************************************************
*
+ * FUNCTION: acpi_ut_is_aml_table
+ *
+ * PARAMETERS: Table - An ACPI table
+ *
+ * RETURN: TRUE if table contains executable AML; FALSE otherwise
+ *
+ * DESCRIPTION: Check ACPI Signature for a table that contains AML code.
+ * Currently, these are DSDT,SSDT,PSDT. All other table types are
+ * data tables that do not contain AML code.
+ *
+ ******************************************************************************/
+u8 acpi_ut_is_aml_table(struct acpi_table_header *table)
+{
+
+ /* Ignore tables that contain AML */
+
+ if (ACPI_COMPARE_NAME(table->signature, DSDT_SIG) ||
+ ACPI_COMPARE_NAME(table->signature, PSDT_SIG) ||
+ ACPI_COMPARE_NAME(table->signature, SSDT_SIG)) {
+ return (TRUE);
+ }
+
+ return (FALSE);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ut_allocate_owner_id
*
* PARAMETERS: owner_id - Where the new owner ID is returned
@@ -60,6 +87,7 @@ ACPI_MODULE_NAME("utmisc")
* when the method exits or the table is unloaded.
*
******************************************************************************/
+
acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
{
acpi_native_uint i;
@@ -67,7 +95,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
acpi_native_uint k;
acpi_status status;
- ACPI_FUNCTION_TRACE("ut_allocate_owner_id");
+ ACPI_FUNCTION_TRACE(ut_allocate_owner_id);
/* Guard against multiple allocations of ID to the same location */
@@ -97,6 +125,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
for (k = acpi_gbl_next_owner_id_offset; k < 32; k++) {
if (acpi_gbl_owner_id_mask[j] == ACPI_UINT32_MAX) {
+
/* There are no free IDs in this mask */
break;
@@ -123,7 +152,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
(acpi_owner_id) ((k + 1) + ACPI_MUL_32(j));
ACPI_DEBUG_PRINT((ACPI_DB_VALUES,
- "Allocated owner_id: %2.2X\n",
+ "Allocated OwnerId: %2.2X\n",
(unsigned int)*owner_id));
goto exit;
}
@@ -144,7 +173,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
*/
status = AE_OWNER_ID_LIMIT;
ACPI_ERROR((AE_INFO,
- "Could not allocate new owner_id (255 max), AE_OWNER_ID_LIMIT"));
+ "Could not allocate new OwnerId (255 max), AE_OWNER_ID_LIMIT"));
exit:
(void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
@@ -172,7 +201,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
acpi_native_uint index;
u32 bit;
- ACPI_FUNCTION_TRACE_U32("ut_release_owner_id", owner_id);
+ ACPI_FUNCTION_TRACE_U32(ut_release_owner_id, owner_id);
/* Always clear the input owner_id (zero is an invalid ID) */
@@ -181,7 +210,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
/* Zero is not a valid owner_iD */
if (owner_id == 0) {
- ACPI_ERROR((AE_INFO, "Invalid owner_id: %2.2X", owner_id));
+ ACPI_ERROR((AE_INFO, "Invalid OwnerId: %2.2X", owner_id));
return_VOID;
}
@@ -207,7 +236,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
acpi_gbl_owner_id_mask[index] ^= bit;
} else {
ACPI_ERROR((AE_INFO,
- "Release of non-allocated owner_id: %2.2X",
+ "Release of non-allocated OwnerId: %2.2X",
owner_id + 1));
}
@@ -273,6 +302,7 @@ void acpi_ut_print_string(char *string, u8 max_length)
acpi_os_printf("\"");
for (i = 0; string[i] && (i < max_length); i++) {
+
/* Escape sequences */
switch (string[i]) {
@@ -461,12 +491,47 @@ acpi_ut_display_init_pathname(u8 type,
}
acpi_os_printf("\n");
- ACPI_MEM_FREE(buffer.pointer);
+ ACPI_FREE(buffer.pointer);
}
#endif
/*******************************************************************************
*
+ * FUNCTION: acpi_ut_valid_acpi_char
+ *
+ * PARAMETERS: Char - The character to be examined
+ *
+ * RETURN: TRUE if the character is valid, FALSE otherwise
+ *
+ * DESCRIPTION: Check for a valid ACPI character. Must be one of:
+ * 1) Upper case alpha
+ * 2) numeric
+ * 3) underscore
+ *
+ * We allow a '!' as the last character because of the ASF! table
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position)
+{
+
+ if (!((character >= 'A' && character <= 'Z') ||
+ (character >= '0' && character <= '9') || (character == '_'))) {
+
+ /* Allow a '!' in the last position */
+
+ if (character == '!' && position == 3) {
+ return (TRUE);
+ }
+
+ return (FALSE);
+ }
+
+ return (TRUE);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ut_valid_acpi_name
*
* PARAMETERS: Name - The name to be examined
@@ -482,19 +547,13 @@ acpi_ut_display_init_pathname(u8 type,
u8 acpi_ut_valid_acpi_name(u32 name)
{
- char *name_ptr = (char *)&name;
- char character;
acpi_native_uint i;
ACPI_FUNCTION_ENTRY();
for (i = 0; i < ACPI_NAME_SIZE; i++) {
- character = *name_ptr;
- name_ptr++;
-
- if (!((character == '_') ||
- (character >= 'A' && character <= 'Z') ||
- (character >= '0' && character <= '9'))) {
+ if (!acpi_ut_valid_acpi_char
+ ((ACPI_CAST_PTR(char, &name))[i], i)) {
return (FALSE);
}
}
@@ -504,24 +563,37 @@ u8 acpi_ut_valid_acpi_name(u32 name)
/*******************************************************************************
*
- * FUNCTION: acpi_ut_valid_acpi_character
+ * FUNCTION: acpi_ut_repair_name
*
- * PARAMETERS: Character - The character to be examined
+ * PARAMETERS: Name - The ACPI name to be repaired
*
- * RETURN: 1 if Character may appear in a name, else 0
+ * RETURN: Repaired version of the name
*
- * DESCRIPTION: Check for a printable character
+ * DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and
+ * return the new name.
*
******************************************************************************/
-u8 acpi_ut_valid_acpi_character(char character)
+acpi_name acpi_ut_repair_name(acpi_name name)
{
+ char *name_ptr = ACPI_CAST_PTR(char, &name);
+ char new_name[ACPI_NAME_SIZE];
+ acpi_native_uint i;
- ACPI_FUNCTION_ENTRY();
+ for (i = 0; i < ACPI_NAME_SIZE; i++) {
+ new_name[i] = name_ptr[i];
- return ((u8) ((character == '_') ||
- (character >= 'A' && character <= 'Z') ||
- (character >= '0' && character <= '9')));
+ /*
+ * Replace a bad character with something printable, yet technically
+ * still invalid. This prevents any collisions with existing "good"
+ * names in the namespace.
+ */
+ if (!acpi_ut_valid_acpi_char(name_ptr[i], i)) {
+ new_name[i] = '*';
+ }
+ }
+
+ return (*ACPI_CAST_PTR(u32, new_name));
}
/*******************************************************************************
@@ -529,7 +601,8 @@ u8 acpi_ut_valid_acpi_character(char character)
* FUNCTION: acpi_ut_strtoul64
*
* PARAMETERS: String - Null terminated string
- * Base - Radix of the string: 10, 16, or ACPI_ANY_BASE
+ * Base - Radix of the string: 16 or ACPI_ANY_BASE;
+ * ACPI_ANY_BASE means 'in behalf of to_integer'
* ret_integer - Where the converted integer is returned
*
* RETURN: Status and Converted value
@@ -545,16 +618,17 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer)
u32 this_digit = 0;
acpi_integer return_value = 0;
acpi_integer quotient;
+ acpi_integer dividend;
+ u32 to_integer_op = (base == ACPI_ANY_BASE);
+ u32 mode32 = (acpi_gbl_integer_byte_width == 4);
+ u8 valid_digits = 0;
+ u8 sign_of0x = 0;
+ u8 term = 0;
- ACPI_FUNCTION_TRACE("ut_stroul64");
-
- if ((!string) || !(*string)) {
- goto error_exit;
- }
+ ACPI_FUNCTION_TRACE(ut_stroul64);
switch (base) {
case ACPI_ANY_BASE:
- case 10:
case 16:
break;
@@ -563,76 +637,110 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer)
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
+ if (!string) {
+ goto error_exit;
+ }
+
/* Skip over any white space in the buffer */
- while (ACPI_IS_SPACE(*string) || *string == '\t') {
+ while ((*string) && (ACPI_IS_SPACE(*string) || *string == '\t')) {
string++;
}
- /*
- * If the input parameter Base is zero, then we need to
- * determine if it is decimal or hexadecimal:
- */
- if (base == 0) {
+ if (to_integer_op) {
+ /*
+ * Base equal to ACPI_ANY_BASE means 'to_integer operation case'.
+ * We need to determine if it is decimal or hexadecimal.
+ */
if ((*string == '0') && (ACPI_TOLOWER(*(string + 1)) == 'x')) {
+ sign_of0x = 1;
base = 16;
+
+ /* Skip over the leading '0x' */
string += 2;
} else {
base = 10;
}
}
- /*
- * For hexadecimal base, skip over the leading
- * 0 or 0x, if they are present.
- */
- if ((base == 16) &&
- (*string == '0') && (ACPI_TOLOWER(*(string + 1)) == 'x')) {
- string += 2;
+ /* Any string left? Check that '0x' is not followed by white space. */
+
+ if (!(*string) || ACPI_IS_SPACE(*string) || *string == '\t') {
+ if (to_integer_op) {
+ goto error_exit;
+ } else {
+ goto all_done;
+ }
}
- /* Any string left? */
+ dividend = (mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX;
- if (!(*string)) {
- goto error_exit;
- }
+ /* At least one character in the string here */
/* Main loop: convert the string to a 64-bit integer */
while (*string) {
if (ACPI_IS_DIGIT(*string)) {
+
/* Convert ASCII 0-9 to Decimal value */
this_digit = ((u8) * string) - '0';
- } else {
- if (base == 10) {
- /* Digit is out of range */
+ } else if (base == 10) {
- goto error_exit;
- }
+ /* Digit is out of range; possible in to_integer case only */
+ term = 1;
+ } else {
this_digit = (u8) ACPI_TOUPPER(*string);
if (ACPI_IS_XDIGIT((char)this_digit)) {
+
/* Convert ASCII Hex char to value */
this_digit = this_digit - 'A' + 10;
} else {
- /*
- * We allow non-hex chars, just stop now, same as end-of-string.
- * See ACPI spec, string-to-integer conversion.
- */
+ term = 1;
+ }
+ }
+
+ if (term) {
+ if (to_integer_op) {
+ goto error_exit;
+ } else {
break;
}
+ } else if ((valid_digits == 0) && (this_digit == 0)
+ && !sign_of0x) {
+
+ /* Skip zeros */
+ string++;
+ continue;
+ }
+
+ valid_digits++;
+
+ if (sign_of0x
+ && ((valid_digits > 16)
+ || ((valid_digits > 8) && mode32))) {
+ /*
+ * This is to_integer operation case.
+ * No any restrictions for string-to-integer conversion,
+ * see ACPI spec.
+ */
+ goto error_exit;
}
/* Divide the digit into the correct position */
(void)
- acpi_ut_short_divide((ACPI_INTEGER_MAX -
- (acpi_integer) this_digit), base,
- &quotient, NULL);
+ acpi_ut_short_divide((dividend - (acpi_integer) this_digit),
+ base, &quotient, NULL);
+
if (return_value > quotient) {
- goto error_exit;
+ if (to_integer_op) {
+ goto error_exit;
+ } else {
+ break;
+ }
}
return_value *= base;
@@ -642,6 +750,8 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer)
/* All done, normal exit */
+ all_done:
+
*ret_integer = return_value;
return_ACPI_STATUS(AE_OK);
@@ -719,7 +829,7 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
u32 this_index;
union acpi_operand_object *this_source_obj;
- ACPI_FUNCTION_TRACE("ut_walk_package_tree");
+ ACPI_FUNCTION_TRACE(ut_walk_package_tree);
state = acpi_ut_create_pkg_state(source_object, target_object, 0);
if (!state) {
@@ -727,6 +837,7 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
}
while (state) {
+
/* Get one element of the package */
this_index = state->pkg.index;
@@ -814,31 +925,6 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
/*******************************************************************************
*
- * FUNCTION: acpi_ut_generate_checksum
- *
- * PARAMETERS: Buffer - Buffer to be scanned
- * Length - number of bytes to examine
- *
- * RETURN: The generated checksum
- *
- * DESCRIPTION: Generate a checksum on a raw buffer
- *
- ******************************************************************************/
-
-u8 acpi_ut_generate_checksum(u8 * buffer, u32 length)
-{
- u32 i;
- signed char sum = 0;
-
- for (i = 0; i < length; i++) {
- sum = (signed char)(sum + buffer[i]);
- }
-
- return ((u8) (0 - sum));
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ut_error, acpi_ut_warning, acpi_ut_info
*
* PARAMETERS: module_name - Caller's module name (for error output)
@@ -900,36 +986,3 @@ acpi_ut_info(char *module_name, u32 line_number, char *format, ...)
acpi_os_vprintf(format, args);
acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_report_error, Warning, Info
- *
- * PARAMETERS: module_name - Caller's module name (for error output)
- * line_number - Caller's line number (for error output)
- *
- * RETURN: None
- *
- * DESCRIPTION: Print error message
- *
- * Note: Legacy only, should be removed when no longer used by drivers.
- *
- ******************************************************************************/
-
-void acpi_ut_report_error(char *module_name, u32 line_number)
-{
-
- acpi_os_printf("ACPI Error (%s-%04d): ", module_name, line_number);
-}
-
-void acpi_ut_report_warning(char *module_name, u32 line_number)
-{
-
- acpi_os_printf("ACPI Warning (%s-%04d): ", module_name, line_number);
-}
-
-void acpi_ut_report_info(char *module_name, u32 line_number)
-{
-
- acpi_os_printf("ACPI (%s-%04d): ", module_name, line_number);
-}
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
index 45a7244df924..25eb34369afa 100644
--- a/drivers/acpi/utilities/utmutex.c
+++ b/drivers/acpi/utilities/utmutex.c
@@ -68,19 +68,26 @@ acpi_status acpi_ut_mutex_initialize(void)
u32 i;
acpi_status status;
- ACPI_FUNCTION_TRACE("ut_mutex_initialize");
+ ACPI_FUNCTION_TRACE(ut_mutex_initialize);
/*
* Create each of the predefined mutex objects
*/
- for (i = 0; i < NUM_MUTEX; i++) {
+ for (i = 0; i < ACPI_NUM_MUTEX; i++) {
status = acpi_ut_create_mutex(i);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
+ /* Create the spinlocks for use at interrupt level */
+
status = acpi_os_create_lock(&acpi_gbl_gpe_lock);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status = acpi_os_create_lock(&acpi_gbl_hardware_lock);
return_ACPI_STATUS(status);
}
@@ -100,16 +107,19 @@ void acpi_ut_mutex_terminate(void)
{
u32 i;
- ACPI_FUNCTION_TRACE("ut_mutex_terminate");
+ ACPI_FUNCTION_TRACE(ut_mutex_terminate);
/*
* Delete each predefined mutex object
*/
- for (i = 0; i < NUM_MUTEX; i++) {
+ for (i = 0; i < ACPI_NUM_MUTEX; i++) {
(void)acpi_ut_delete_mutex(i);
}
+ /* Delete the spinlocks */
+
acpi_os_delete_lock(acpi_gbl_gpe_lock);
+ acpi_os_delete_lock(acpi_gbl_hardware_lock);
return_VOID;
}
@@ -129,9 +139,9 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE_U32("ut_create_mutex", mutex_id);
+ ACPI_FUNCTION_TRACE_U32(ut_create_mutex, mutex_id);
- if (mutex_id > MAX_MUTEX) {
+ if (mutex_id > ACPI_MAX_MUTEX) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
@@ -163,9 +173,9 @@ static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
{
acpi_status status;
- ACPI_FUNCTION_TRACE_U32("ut_delete_mutex", mutex_id);
+ ACPI_FUNCTION_TRACE_U32(ut_delete_mutex, mutex_id);
- if (mutex_id > MAX_MUTEX) {
+ if (mutex_id > ACPI_MAX_MUTEX) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
@@ -192,11 +202,11 @@ static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
{
acpi_status status;
- u32 this_thread_id;
+ acpi_thread_id this_thread_id;
- ACPI_FUNCTION_NAME("ut_acquire_mutex");
+ ACPI_FUNCTION_NAME(ut_acquire_mutex);
- if (mutex_id > MAX_MUTEX) {
+ if (mutex_id > ACPI_MAX_MUTEX) {
return (AE_BAD_PARAMETER);
}
@@ -213,7 +223,7 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
* the mutex ordering rule. This indicates a coding error somewhere in
* the ACPI subsystem code.
*/
- for (i = mutex_id; i < MAX_MUTEX; i++) {
+ for (i = mutex_id; i < ACPI_MAX_MUTEX; i++) {
if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
if (i == mutex_id) {
ACPI_ERROR((AE_INFO,
@@ -275,16 +285,16 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
{
acpi_status status;
- u32 this_thread_id;
+ acpi_thread_id this_thread_id;
- ACPI_FUNCTION_NAME("ut_release_mutex");
+ ACPI_FUNCTION_NAME(ut_release_mutex);
this_thread_id = acpi_os_get_thread_id();
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
"Thread %X releasing Mutex [%s]\n", this_thread_id,
acpi_ut_get_mutex_name(mutex_id)));
- if (mutex_id > MAX_MUTEX) {
+ if (mutex_id > ACPI_MAX_MUTEX) {
return (AE_BAD_PARAMETER);
}
@@ -309,7 +319,7 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
* ordering rule. This indicates a coding error somewhere in
* the ACPI subsystem code.
*/
- for (i = mutex_id; i < MAX_MUTEX; i++) {
+ for (i = mutex_id; i < ACPI_MAX_MUTEX; i++) {
if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
if (i == mutex_id) {
continue;
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index 7ee2d1d98071..ba7d8ac702df 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -92,7 +92,7 @@ union acpi_operand_object *acpi_ut_create_internal_object_dbg(char *module_name,
union acpi_operand_object *object;
union acpi_operand_object *second_object;
- ACPI_FUNCTION_TRACE_STR("ut_create_internal_object_dbg",
+ ACPI_FUNCTION_TRACE_STR(ut_create_internal_object_dbg,
acpi_ut_get_type_name(type));
/* Allocate the raw object descriptor */
@@ -161,7 +161,7 @@ union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size)
union acpi_operand_object *buffer_desc;
u8 *buffer = NULL;
- ACPI_FUNCTION_TRACE_U32("ut_create_buffer_object", buffer_size);
+ ACPI_FUNCTION_TRACE_U32(ut_create_buffer_object, buffer_size);
/* Create a new Buffer object */
@@ -173,9 +173,10 @@ union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size)
/* Create an actual buffer only if size > 0 */
if (buffer_size > 0) {
+
/* Allocate the actual buffer */
- buffer = ACPI_MEM_CALLOCATE(buffer_size);
+ buffer = ACPI_ALLOCATE_ZEROED(buffer_size);
if (!buffer) {
ACPI_ERROR((AE_INFO, "Could not allocate size %X",
(u32) buffer_size));
@@ -214,7 +215,7 @@ union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size)
union acpi_operand_object *string_desc;
char *string;
- ACPI_FUNCTION_TRACE_U32("ut_create_string_object", string_size);
+ ACPI_FUNCTION_TRACE_U32(ut_create_string_object, string_size);
/* Create a new String object */
@@ -227,7 +228,7 @@ union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size)
* Allocate the actual string buffer -- (Size + 1) for NULL terminator.
* NOTE: Zero-length strings are NULL terminated
*/
- string = ACPI_MEM_CALLOCATE(string_size + 1);
+ string = ACPI_ALLOCATE_ZEROED(string_size + 1);
if (!string) {
ACPI_ERROR((AE_INFO, "Could not allocate size %X",
(u32) string_size));
@@ -260,7 +261,7 @@ union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size)
u8 acpi_ut_valid_internal_object(void *object)
{
- ACPI_FUNCTION_NAME("ut_valid_internal_object");
+ ACPI_FUNCTION_NAME(ut_valid_internal_object);
/* Check for a null pointer */
@@ -308,7 +309,7 @@ void *acpi_ut_allocate_object_desc_dbg(char *module_name,
{
union acpi_operand_object *object;
- ACPI_FUNCTION_TRACE("ut_allocate_object_desc_dbg");
+ ACPI_FUNCTION_TRACE(ut_allocate_object_desc_dbg);
object = acpi_os_acquire_object(acpi_gbl_operand_cache);
if (!object) {
@@ -319,6 +320,7 @@ void *acpi_ut_allocate_object_desc_dbg(char *module_name,
}
/* Mark the descriptor type */
+
memset(object, 0, sizeof(union acpi_operand_object));
ACPI_SET_DESCRIPTOR_TYPE(object, ACPI_DESC_TYPE_OPERAND);
@@ -342,7 +344,7 @@ void *acpi_ut_allocate_object_desc_dbg(char *module_name,
void acpi_ut_delete_object_desc(union acpi_operand_object *object)
{
- ACPI_FUNCTION_TRACE_PTR("ut_delete_object_desc", object);
+ ACPI_FUNCTION_TRACE_PTR(ut_delete_object_desc, object);
/* Object must be an union acpi_operand_object */
@@ -381,7 +383,7 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
acpi_size length;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE_PTR("ut_get_simple_object_size", internal_object);
+ ACPI_FUNCTION_TRACE_PTR(ut_get_simple_object_size, internal_object);
/*
* Handle a null object (Could be a uninitialized package
@@ -397,6 +399,7 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
length = sizeof(union acpi_object);
if (ACPI_GET_DESCRIPTOR_TYPE(internal_object) == ACPI_DESC_TYPE_NAMED) {
+
/* Object is a named object (reference), just return the length */
*obj_length = ACPI_ROUND_UP_TO_NATIVE_WORD(length);
@@ -559,7 +562,7 @@ acpi_ut_get_package_object_size(union acpi_operand_object *internal_object,
acpi_status status;
struct acpi_pkg_info info;
- ACPI_FUNCTION_TRACE_PTR("ut_get_package_object_size", internal_object);
+ ACPI_FUNCTION_TRACE_PTR(ut_get_package_object_size, internal_object);
info.length = 0;
info.object_space = 0;
diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c
index 16461317113f..5a2de92831d3 100644
--- a/drivers/acpi/utilities/utresrc.c
+++ b/drivers/acpi/utilities/utresrc.c
@@ -45,113 +45,113 @@
#include <acpi/amlresrc.h>
#define _COMPONENT ACPI_UTILITIES
-ACPI_MODULE_NAME("utmisc")
+ACPI_MODULE_NAME("utresrc")
#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
/*
* Strings used to decode resource descriptors.
* Used by both the disasssembler and the debugger resource dump routines
*/
-const char *acpi_gbl_BMdecode[2] = {
- "not_bus_master",
- "bus_master"
+const char *acpi_gbl_bm_decode[] = {
+ "NotBusMaster",
+ "BusMaster"
};
-const char *acpi_gbl_config_decode[4] = {
+const char *acpi_gbl_config_decode[] = {
"0 - Good Configuration",
"1 - Acceptable Configuration",
"2 - Suboptimal Configuration",
"3 - ***Invalid Configuration***",
};
-const char *acpi_gbl_consume_decode[2] = {
- "resource_producer",
- "resource_consumer"
+const char *acpi_gbl_consume_decode[] = {
+ "ResourceProducer",
+ "ResourceConsumer"
};
-const char *acpi_gbl_DECdecode[2] = {
- "pos_decode",
- "sub_decode"
+const char *acpi_gbl_dec_decode[] = {
+ "PosDecode",
+ "SubDecode"
};
-const char *acpi_gbl_HEdecode[2] = {
+const char *acpi_gbl_he_decode[] = {
"Level",
"Edge"
};
-const char *acpi_gbl_io_decode[2] = {
+const char *acpi_gbl_io_decode[] = {
"Decode10",
"Decode16"
};
-const char *acpi_gbl_LLdecode[2] = {
- "active_high",
- "active_low"
+const char *acpi_gbl_ll_decode[] = {
+ "ActiveHigh",
+ "ActiveLow"
};
-const char *acpi_gbl_max_decode[2] = {
- "max_not_fixed",
- "max_fixed"
+const char *acpi_gbl_max_decode[] = {
+ "MaxNotFixed",
+ "MaxFixed"
};
-const char *acpi_gbl_MEMdecode[4] = {
- "non_cacheable",
+const char *acpi_gbl_mem_decode[] = {
+ "NonCacheable",
"Cacheable",
- "write_combining",
+ "WriteCombining",
"Prefetchable"
};
-const char *acpi_gbl_min_decode[2] = {
- "min_not_fixed",
- "min_fixed"
+const char *acpi_gbl_min_decode[] = {
+ "MinNotFixed",
+ "MinFixed"
};
-const char *acpi_gbl_MTPdecode[4] = {
- "address_range_memory",
- "address_range_reserved",
- "address_range_aCPI",
- "address_range_nVS"
+const char *acpi_gbl_mtp_decode[] = {
+ "AddressRangeMemory",
+ "AddressRangeReserved",
+ "AddressRangeACPI",
+ "AddressRangeNVS"
};
-const char *acpi_gbl_RNGdecode[4] = {
- "invalid_ranges",
- "non_iSAonly_ranges",
- "ISAonly_ranges",
- "entire_range"
+const char *acpi_gbl_rng_decode[] = {
+ "InvalidRanges",
+ "NonISAOnlyRanges",
+ "ISAOnlyRanges",
+ "EntireRange"
};
-const char *acpi_gbl_RWdecode[2] = {
- "read_only",
- "read_write"
+const char *acpi_gbl_rw_decode[] = {
+ "ReadOnly",
+ "ReadWrite"
};
-const char *acpi_gbl_SHRdecode[2] = {
+const char *acpi_gbl_shr_decode[] = {
"Exclusive",
"Shared"
};
-const char *acpi_gbl_SIZdecode[4] = {
+const char *acpi_gbl_siz_decode[] = {
"Transfer8",
"Transfer8_16",
"Transfer16",
- "invalid_size"
+ "InvalidSize"
};
-const char *acpi_gbl_TRSdecode[2] = {
- "dense_translation",
- "sparse_translation"
+const char *acpi_gbl_trs_decode[] = {
+ "DenseTranslation",
+ "SparseTranslation"
};
-const char *acpi_gbl_TTPdecode[2] = {
- "type_static",
- "type_translation"
+const char *acpi_gbl_ttp_decode[] = {
+ "TypeStatic",
+ "TypeTranslation"
};
-const char *acpi_gbl_TYPdecode[4] = {
+const char *acpi_gbl_typ_decode[] = {
"Compatibility",
- "type_a",
- "type_b",
- "type_f"
+ "TypeA",
+ "TypeB",
+ "TypeF"
};
#endif
@@ -240,6 +240,104 @@ static const u8 acpi_gbl_resource_types[] = {
/*******************************************************************************
*
+ * FUNCTION: acpi_ut_walk_aml_resources
+ *
+ * PARAMETERS: Aml - Pointer to the raw AML resource template
+ * aml_length - Length of the entire template
+ * user_function - Called once for each descriptor found. If
+ * NULL, a pointer to the end_tag is returned
+ * Context - Passed to user_function
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Walk a raw AML resource list(buffer). User function called
+ * once for each resource found.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_walk_aml_resources(u8 * aml,
+ acpi_size aml_length,
+ acpi_walk_aml_callback user_function, void **context)
+{
+ acpi_status status;
+ u8 *end_aml;
+ u8 resource_index;
+ u32 length;
+ u32 offset = 0;
+
+ ACPI_FUNCTION_TRACE(ut_walk_aml_resources);
+
+ /* The absolute minimum resource template is one end_tag descriptor */
+
+ if (aml_length < sizeof(struct aml_resource_end_tag)) {
+ return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
+ }
+
+ /* Point to the end of the resource template buffer */
+
+ end_aml = aml + aml_length;
+
+ /* Walk the byte list, abort on any invalid descriptor type or length */
+
+ while (aml < end_aml) {
+
+ /* Validate the Resource Type and Resource Length */
+
+ status = acpi_ut_validate_resource(aml, &resource_index);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Get the length of this descriptor */
+
+ length = acpi_ut_get_descriptor_length(aml);
+
+ /* Invoke the user function */
+
+ if (user_function) {
+ status =
+ user_function(aml, length, offset, resource_index,
+ context);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ /* An end_tag descriptor terminates this resource template */
+
+ if (acpi_ut_get_resource_type(aml) ==
+ ACPI_RESOURCE_NAME_END_TAG) {
+ /*
+ * There must be at least one more byte in the buffer for
+ * the 2nd byte of the end_tag
+ */
+ if ((aml + 1) >= end_aml) {
+ return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
+ }
+
+ /* Return the pointer to the end_tag if requested */
+
+ if (!user_function) {
+ *context = aml;
+ }
+
+ /* Normal exit */
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ aml += length;
+ offset += length;
+ }
+
+ /* Did not find an end_tag descriptor */
+
+ return (AE_AML_NO_RESOURCE_END_TAG);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ut_validate_resource
*
* PARAMETERS: Aml - Pointer to the raw AML resource descriptor
@@ -273,6 +371,7 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index)
* Examine the large/small bit in the resource header
*/
if (resource_type & ACPI_RESOURCE_NAME_LARGE) {
+
/* Verify the large resource type (name) against the max */
if (resource_type > ACPI_RESOURCE_NAME_LARGE_MAX) {
@@ -376,6 +475,7 @@ u8 acpi_ut_get_resource_type(void *aml)
* Examine the large/small bit in the resource header
*/
if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
+
/* Large Resource Type -- bits 6:0 contain the name */
return (ACPI_GET8(aml));
@@ -411,6 +511,7 @@ u16 acpi_ut_get_resource_length(void *aml)
* Examine the large/small bit in the resource header
*/
if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
+
/* Large Resource type -- bytes 1-2 contain the 16-bit length */
ACPI_MOVE_16_TO_16(&resource_length, ACPI_ADD_PTR(u8, aml, 1));
@@ -495,60 +596,21 @@ acpi_ut_get_resource_end_tag(union acpi_operand_object * obj_desc,
u8 ** end_tag)
{
acpi_status status;
- u8 *aml;
- u8 *end_aml;
-
- ACPI_FUNCTION_TRACE("ut_get_resource_end_tag");
- /* Get start and end pointers */
-
- aml = obj_desc->buffer.pointer;
- end_aml = aml + obj_desc->buffer.length;
+ ACPI_FUNCTION_TRACE(ut_get_resource_end_tag);
/* Allow a buffer length of zero */
if (!obj_desc->buffer.length) {
- *end_tag = aml;
+ *end_tag = obj_desc->buffer.pointer;
return_ACPI_STATUS(AE_OK);
}
- /* Walk the resource template, one descriptor per iteration */
-
- while (aml < end_aml) {
- /* Validate the Resource Type and Resource Length */
-
- status = acpi_ut_validate_resource(aml, NULL);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /* end_tag resource indicates the end of the resource template */
-
- if (acpi_ut_get_resource_type(aml) ==
- ACPI_RESOURCE_NAME_END_TAG) {
- /*
- * There must be at least one more byte in the buffer for
- * the 2nd byte of the end_tag
- */
- if ((aml + 1) >= end_aml) {
- return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
- }
-
- /* Return the pointer to the end_tag */
-
- *end_tag = aml;
- return_ACPI_STATUS(AE_OK);
- }
-
- /*
- * Point to the next resource descriptor in the AML buffer. The
- * descriptor length is guaranteed to be non-zero by resource
- * validation above.
- */
- aml += acpi_ut_get_descriptor_length(aml);
- }
+ /* Validate the template and get a pointer to the end_tag */
- /* Did not find an end_tag resource descriptor */
+ status = acpi_ut_walk_aml_resources(obj_desc->buffer.pointer,
+ obj_desc->buffer.length, NULL,
+ (void **)end_tag);
- return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
+ return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c
index 4b134a722907..0f5c5bb5deff 100644
--- a/drivers/acpi/utilities/utstate.c
+++ b/drivers/acpi/utilities/utstate.c
@@ -96,7 +96,7 @@ void
acpi_ut_push_generic_state(union acpi_generic_state **list_head,
union acpi_generic_state *state)
{
- ACPI_FUNCTION_TRACE("ut_push_generic_state");
+ ACPI_FUNCTION_TRACE(ut_push_generic_state);
/* Push the state object onto the front of the list (stack) */
@@ -123,12 +123,13 @@ union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
{
union acpi_generic_state *state;
- ACPI_FUNCTION_TRACE("ut_pop_generic_state");
+ ACPI_FUNCTION_TRACE(ut_pop_generic_state);
/* Remove the state object at the head of the list (stack) */
state = *list_head;
if (state) {
+
/* Update the list head */
*list_head = state->common.next;
@@ -158,9 +159,10 @@ union acpi_generic_state *acpi_ut_create_generic_state(void)
state = acpi_os_acquire_object(acpi_gbl_state_cache);
if (state) {
+
/* Initialize */
memset(state, 0, sizeof(union acpi_generic_state));
- state->common.data_type = ACPI_DESC_TYPE_STATE;
+ state->common.descriptor_type = ACPI_DESC_TYPE_STATE;
}
return (state);
@@ -183,7 +185,7 @@ struct acpi_thread_state *acpi_ut_create_thread_state(void)
{
union acpi_generic_state *state;
- ACPI_FUNCTION_TRACE("ut_create_thread_state");
+ ACPI_FUNCTION_TRACE(ut_create_thread_state);
/* Create the generic state object */
@@ -194,7 +196,7 @@ struct acpi_thread_state *acpi_ut_create_thread_state(void)
/* Init fields specific to the update struct */
- state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD;
+ state->common.descriptor_type = ACPI_DESC_TYPE_STATE_THREAD;
state->thread.thread_id = acpi_os_get_thread_id();
return_PTR((struct acpi_thread_state *)state);
@@ -220,7 +222,7 @@ union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
{
union acpi_generic_state *state;
- ACPI_FUNCTION_TRACE_PTR("ut_create_update_state", object);
+ ACPI_FUNCTION_TRACE_PTR(ut_create_update_state, object);
/* Create the generic state object */
@@ -231,7 +233,7 @@ union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
/* Init fields specific to the update struct */
- state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE;
+ state->common.descriptor_type = ACPI_DESC_TYPE_STATE_UPDATE;
state->update.object = object;
state->update.value = action;
@@ -257,7 +259,7 @@ union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
{
union acpi_generic_state *state;
- ACPI_FUNCTION_TRACE_PTR("ut_create_pkg_state", internal_object);
+ ACPI_FUNCTION_TRACE_PTR(ut_create_pkg_state, internal_object);
/* Create the generic state object */
@@ -268,7 +270,7 @@ union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
/* Init fields specific to the update struct */
- state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE;
+ state->common.descriptor_type = ACPI_DESC_TYPE_STATE_PACKAGE;
state->pkg.source_object = (union acpi_operand_object *)internal_object;
state->pkg.dest_object = external_object;
state->pkg.index = index;
@@ -294,7 +296,7 @@ union acpi_generic_state *acpi_ut_create_control_state(void)
{
union acpi_generic_state *state;
- ACPI_FUNCTION_TRACE("ut_create_control_state");
+ ACPI_FUNCTION_TRACE(ut_create_control_state);
/* Create the generic state object */
@@ -305,7 +307,7 @@ union acpi_generic_state *acpi_ut_create_control_state(void)
/* Init fields specific to the control struct */
- state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
+ state->common.descriptor_type = ACPI_DESC_TYPE_STATE_CONTROL;
state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING;
return_PTR(state);
@@ -319,15 +321,19 @@ union acpi_generic_state *acpi_ut_create_control_state(void)
*
* RETURN: None
*
- * DESCRIPTION: Put a state object back into the global state cache. The object
- * is not actually freed at this time.
+ * DESCRIPTION: Release a state object to the state cache. NULL state objects
+ * are ignored.
*
******************************************************************************/
void acpi_ut_delete_generic_state(union acpi_generic_state *state)
{
- ACPI_FUNCTION_TRACE("ut_delete_generic_state");
+ ACPI_FUNCTION_TRACE(ut_delete_generic_state);
+
+ /* Ignore null state */
- (void)acpi_os_release_object(acpi_gbl_state_cache, state);
+ if (state) {
+ (void)acpi_os_release_object(acpi_gbl_state_cache, state);
+ }
return_VOID;
}
diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c
index 308a960871be..3538f69c82a1 100644
--- a/drivers/acpi/utilities/utxface.c
+++ b/drivers/acpi/utilities/utxface.c
@@ -41,8 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acevents.h>
#include <acpi/acnamesp.h>
@@ -67,7 +65,7 @@ acpi_status acpi_initialize_subsystem(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_initialize_subsystem");
+ ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);
ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());
@@ -109,6 +107,8 @@ acpi_status acpi_initialize_subsystem(void)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_initialize_subsystem)
+
/*******************************************************************************
*
* FUNCTION: acpi_enable_subsystem
@@ -121,12 +121,11 @@ acpi_status acpi_initialize_subsystem(void)
* Puts system into ACPI mode if it isn't already.
*
******************************************************************************/
-
acpi_status acpi_enable_subsystem(u32 flags)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_enable_subsystem");
+ ACPI_FUNCTION_TRACE(acpi_enable_subsystem);
/*
* We must initialize the hardware before we can enable ACPI.
@@ -152,7 +151,7 @@ acpi_status acpi_enable_subsystem(u32 flags)
status = acpi_enable();
if (ACPI_FAILURE(status)) {
- ACPI_WARNING((AE_INFO, "acpi_enable failed"));
+ ACPI_WARNING((AE_INFO, "AcpiEnable failed"));
return_ACPI_STATUS(status);
}
}
@@ -229,6 +228,8 @@ acpi_status acpi_enable_subsystem(u32 flags)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_enable_subsystem)
+
/*******************************************************************************
*
* FUNCTION: acpi_initialize_objects
@@ -241,12 +242,11 @@ acpi_status acpi_enable_subsystem(u32 flags)
* objects and executing AML code for Regions, buffers, etc.
*
******************************************************************************/
-
acpi_status acpi_initialize_objects(u32 flags)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_initialize_objects");
+ ACPI_FUNCTION_TRACE(acpi_initialize_objects);
/*
* Run all _REG methods
@@ -257,7 +257,7 @@ acpi_status acpi_initialize_objects(u32 flags)
*/
if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "[Init] Executing _REG op_region methods\n"));
+ "[Init] Executing _REG OpRegion methods\n"));
status = acpi_ev_initialize_op_regions();
if (ACPI_FAILURE(status)) {
@@ -305,6 +305,8 @@ acpi_status acpi_initialize_objects(u32 flags)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_initialize_objects)
+
/*******************************************************************************
*
* FUNCTION: acpi_terminate
@@ -316,12 +318,11 @@ acpi_status acpi_initialize_objects(u32 flags)
* DESCRIPTION: Shutdown the ACPI subsystem. Release all resources.
*
******************************************************************************/
-
acpi_status acpi_terminate(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_terminate");
+ ACPI_FUNCTION_TRACE(acpi_terminate);
/* Terminate the AML Debugger if present */
@@ -348,6 +349,8 @@ acpi_status acpi_terminate(void)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_terminate)
+
#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
*
@@ -362,7 +365,6 @@ acpi_status acpi_terminate(void)
* initialized successfully.
*
******************************************************************************/
-
acpi_status acpi_subsystem_status(void)
{
@@ -373,6 +375,8 @@ acpi_status acpi_subsystem_status(void)
}
}
+ACPI_EXPORT_SYMBOL(acpi_subsystem_status)
+
/*******************************************************************************
*
* FUNCTION: acpi_get_system_info
@@ -390,14 +394,13 @@ acpi_status acpi_subsystem_status(void)
* and the value of out_buffer is undefined.
*
******************************************************************************/
-
acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer)
{
struct acpi_system_info *info_ptr;
acpi_status status;
u32 i;
- ACPI_FUNCTION_TRACE("acpi_get_system_info");
+ ACPI_FUNCTION_TRACE(acpi_get_system_info);
/* Parameter validation */
@@ -448,15 +451,15 @@ acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer)
/* Current status of the ACPI tables, per table type */
- info_ptr->num_table_types = NUM_ACPI_TABLE_TYPES;
- for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) {
+ info_ptr->num_table_types = ACPI_TABLE_ID_MAX + 1;
+ for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) {
info_ptr->table_info[i].count = acpi_gbl_table_lists[i].count;
}
return_ACPI_STATUS(AE_OK);
}
-EXPORT_SYMBOL(acpi_get_system_info);
+ACPI_EXPORT_SYMBOL(acpi_get_system_info)
/*****************************************************************************
*
@@ -472,7 +475,6 @@ EXPORT_SYMBOL(acpi_get_system_info);
* TBD: When a second function is added, must save the Function also.
*
****************************************************************************/
-
acpi_status
acpi_install_initialization_handler(acpi_init_handler handler, u32 function)
{
@@ -489,6 +491,7 @@ acpi_install_initialization_handler(acpi_init_handler handler, u32 function)
return AE_OK;
}
+ACPI_EXPORT_SYMBOL(acpi_install_initialization_handler)
#endif /* ACPI_FUTURE_USAGE */
/*****************************************************************************
@@ -502,10 +505,9 @@ acpi_install_initialization_handler(acpi_init_handler handler, u32 function)
* DESCRIPTION: Empty all caches (delete the cached objects)
*
****************************************************************************/
-
acpi_status acpi_purge_cached_objects(void)
{
- ACPI_FUNCTION_TRACE("acpi_purge_cached_objects");
+ ACPI_FUNCTION_TRACE(acpi_purge_cached_objects);
(void)acpi_os_purge_cache(acpi_gbl_state_cache);
(void)acpi_os_purge_cache(acpi_gbl_operand_cache);
@@ -513,3 +515,5 @@ acpi_status acpi_purge_cached_objects(void)
(void)acpi_os_purge_cache(acpi_gbl_ps_node_ext_cache);
return_ACPI_STATUS(AE_OK);
}
+
+ACPI_EXPORT_SYMBOL(acpi_purge_cached_objects)
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 6458c47f7ac2..6b516852ac12 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -273,11 +273,13 @@ acpi_evaluate_integer(acpi_handle handle,
status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
if (ACPI_FAILURE(status)) {
acpi_util_eval_error(handle, pathname, status);
+ kfree(element);
return_ACPI_STATUS(status);
}
if (element->type != ACPI_TYPE_INTEGER) {
acpi_util_eval_error(handle, pathname, AE_BAD_DATA);
+ kfree(element);
return_ACPI_STATUS(AE_BAD_DATA);
}
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index bd4887518373..86531ab4ee55 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -323,7 +323,7 @@ acpi_video_device_lcd_query_levels(struct acpi_video_device *device,
if (!ACPI_SUCCESS(status))
return_VALUE(status);
obj = (union acpi_object *)buffer.pointer;
- if (!obj && (obj->type != ACPI_TYPE_PACKAGE)) {
+ if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _BCL data\n"));
status = -EFAULT;
goto err;
@@ -1294,7 +1294,7 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
struct acpi_video_bus *video)
{
unsigned long device_id;
- int status, result;
+ int status;
struct acpi_video_device *data;
ACPI_FUNCTION_TRACE("acpi_video_bus_get_one_device");
@@ -1346,8 +1346,11 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error installing notify handler\n"));
- result = -ENODEV;
- goto end;
+ if(data->brightness)
+ kfree(data->brightness->levels);
+ kfree(data->brightness);
+ kfree(data);
+ return -ENODEV;
}
down(&video->sem);
@@ -1359,7 +1362,6 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
return_VALUE(0);
}
- end:
return_VALUE(-ENOENT);
}
@@ -1643,8 +1645,9 @@ static int acpi_video_bus_put_devices(struct acpi_video_bus *video)
printk(KERN_WARNING PREFIX
"hhuuhhuu bug in acpi video driver.\n");
+ if (data->brightness);
+ kfree(data->brightness->levels);
kfree(data->brightness);
-
kfree(data);
}
@@ -1785,6 +1788,10 @@ static int acpi_video_bus_add(struct acpi_device *device)
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error installing notify handler\n"));
+ acpi_video_bus_stop_devices(video);
+ acpi_video_bus_put_devices(video);
+ kfree(video->attached_array);
+ acpi_video_bus_remove_fs(device);
result = -ENODEV;
goto end;
}
@@ -1796,10 +1803,8 @@ static int acpi_video_bus_add(struct acpi_device *device)
video->flags.post ? "yes" : "no");
end:
- if (result) {
- acpi_video_bus_remove_fs(device);
+ if (result)
kfree(video);
- }
return_VALUE(result);
}
diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c
index 8c4c6ef748ec..907fb66ec4a9 100644
--- a/drivers/char/agp/hp-agp.c
+++ b/drivers/char/agp/hp-agp.c
@@ -497,7 +497,7 @@ zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret)
info = buffer.pointer;
info->hardware_id.value[sizeof(info->hardware_id)-1] = '\0';
match = (strcmp(info->hardware_id.value, "HWP0001") == 0);
- ACPI_MEM_FREE(info);
+ kfree(info);
if (match) {
status = hp_acpi_csr_space(handle, &sba_hpa, &length);
if (ACPI_SUCCESS(status))
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index ef140ebde117..07473cd84121 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -925,11 +925,8 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data)
status = acpi_resource_to_address64(res, &addr);
if (ACPI_SUCCESS(status)) {
- unsigned long size;
-
- size = addr.maximum - addr.minimum + 1;
hdp->hd_phys_address = addr.minimum;
- hdp->hd_address = ioremap(addr.minimum, size);
+ hdp->hd_address = ioremap(addr.minimum, addr.address_length);
if (hpet_is_known(hdp)) {
printk(KERN_DEBUG "%s: 0x%lx is busy\n",
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index a90f5d97df35..43dfd8689dce 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -512,7 +512,7 @@ static struct sonypi_device {
#ifdef CONFIG_ACPI
static struct acpi_device *sonypi_acpi_device;
-static int acpi_enabled;
+static int acpi_driver_registered;
#endif
static int sonypi_ec_write(u8 addr, u8 value)
@@ -869,7 +869,7 @@ found:
sonypi_report_input_event(event);
#ifdef CONFIG_ACPI
- if (acpi_enabled)
+ if (sonypi_acpi_device)
acpi_bus_generate_event(sonypi_acpi_device, 1, event);
#endif
@@ -1551,8 +1551,8 @@ static int __init sonypi_init(void)
goto err_free_device;
#ifdef CONFIG_ACPI
- if (acpi_bus_register_driver(&sonypi_acpi_driver) > 0)
- acpi_enabled = 1;
+ if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
+ acpi_driver_registered = 1;
#endif
return 0;
@@ -1567,7 +1567,7 @@ static int __init sonypi_init(void)
static void __exit sonypi_exit(void)
{
#ifdef CONFIG_ACPI
- if (acpi_enabled)
+ if (acpi_driver_registered)
acpi_bus_unregister_driver(&sonypi_acpi_driver);
#endif
platform_device_unregister(sonypi_platform_device);
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 407b4eaddcbf..3a4a644c2686 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -36,13 +36,13 @@ static int irq_flags(int triggering, int polarity)
{
int flag;
if (triggering == ACPI_LEVEL_SENSITIVE) {
- if(polarity == ACPI_ACTIVE_LOW)
+ if (polarity == ACPI_ACTIVE_LOW)
flag = IORESOURCE_IRQ_LOWLEVEL;
else
flag = IORESOURCE_IRQ_HIGHLEVEL;
}
else {
- if(polarity == ACPI_ACTIVE_LOW)
+ if (polarity == ACPI_ACTIVE_LOW)
flag = IORESOURCE_IRQ_LOWEDGE;
else
flag = IORESOURCE_IRQ_HIGHEDGE;
@@ -57,7 +57,7 @@ static void decode_irq_flags(int flag, int *triggering, int *polarity)
*triggering = ACPI_LEVEL_SENSITIVE;
*polarity = ACPI_ACTIVE_LOW;
break;
- case IORESOURCE_IRQ_HIGHLEVEL:
+ case IORESOURCE_IRQ_HIGHLEVEL:
*triggering = ACPI_LEVEL_SENSITIVE;
*polarity = ACPI_ACTIVE_HIGH;
break;
@@ -73,7 +73,7 @@ static void decode_irq_flags(int flag, int *triggering, int *polarity)
}
static void
-pnpacpi_parse_allocated_irqresource(struct pnp_resource_table * res, u32 gsi,
+pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res, u32 gsi,
int triggering, int polarity)
{
int i = 0;
@@ -101,7 +101,7 @@ pnpacpi_parse_allocated_irqresource(struct pnp_resource_table * res, u32 gsi,
}
static void
-pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table * res, u32 dma)
+pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table *res, u32 dma)
{
int i = 0;
while (i < PNP_MAX_DMA &&
@@ -119,8 +119,8 @@ pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table * res, u32 dma)
}
static void
-pnpacpi_parse_allocated_ioresource(struct pnp_resource_table * res,
- u32 io, u32 len)
+pnpacpi_parse_allocated_ioresource(struct pnp_resource_table *res,
+ u64 io, u64 len)
{
int i = 0;
while (!(res->port_resource[i].flags & IORESOURCE_UNSET) &&
@@ -138,7 +138,7 @@ pnpacpi_parse_allocated_ioresource(struct pnp_resource_table * res,
}
static void
-pnpacpi_parse_allocated_memresource(struct pnp_resource_table * res,
+pnpacpi_parse_allocated_memresource(struct pnp_resource_table *res,
u64 mem, u64 len)
{
int i = 0;
@@ -156,11 +156,32 @@ pnpacpi_parse_allocated_memresource(struct pnp_resource_table * res,
}
}
+static void
+pnpacpi_parse_allocated_address_space(struct pnp_resource_table *res_table,
+ struct acpi_resource *res)
+{
+ struct acpi_resource_address64 addr, *p = &addr;
+ acpi_status status;
+
+ status = acpi_resource_to_address64(res, p);
+ if (!ACPI_SUCCESS(status)) {
+ pnp_warn("PnPACPI: failed to convert resource type %d",
+ res->type);
+ return;
+ }
+
+ if (p->resource_type == ACPI_MEMORY_RANGE)
+ pnpacpi_parse_allocated_memresource(res_table,
+ p->minimum, p->address_length);
+ else if (p->resource_type == ACPI_IO_RANGE)
+ pnpacpi_parse_allocated_ioresource(res_table,
+ p->minimum, p->address_length);
+}
static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
void *data)
{
- struct pnp_resource_table * res_table = (struct pnp_resource_table *)data;
+ struct pnp_resource_table *res_table = (struct pnp_resource_table *)data;
int i;
switch (res->type) {
@@ -221,19 +242,9 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
res->data.fixed_memory32.address_length);
break;
case ACPI_RESOURCE_TYPE_ADDRESS16:
- pnpacpi_parse_allocated_memresource(res_table,
- res->data.address16.minimum,
- res->data.address16.address_length);
- break;
case ACPI_RESOURCE_TYPE_ADDRESS32:
- pnpacpi_parse_allocated_memresource(res_table,
- res->data.address32.minimum,
- res->data.address32.address_length);
- break;
case ACPI_RESOURCE_TYPE_ADDRESS64:
- pnpacpi_parse_allocated_memresource(res_table,
- res->data.address64.minimum,
- res->data.address64.address_length);
+ pnpacpi_parse_allocated_address_space(res_table, res);
break;
case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
@@ -255,11 +266,11 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
pnp_warn("PnPACPI: unknown resource type %d", res->type);
return AE_ERROR;
}
-
+
return AE_OK;
}
-acpi_status pnpacpi_parse_allocated_resource(acpi_handle handle, struct pnp_resource_table * res)
+acpi_status pnpacpi_parse_allocated_resource(acpi_handle handle, struct pnp_resource_table *res)
{
/* Blank the resource table values */
pnp_init_resource_table(res);
@@ -317,17 +328,17 @@ static void pnpacpi_parse_dma_option(struct pnp_option *option, struct acpi_reso
pnp_err("Invalid DMA transfer type");
}
- pnp_register_dma_resource(option,dma);
+ pnp_register_dma_resource(option, dma);
return;
}
-
+
static void pnpacpi_parse_irq_option(struct pnp_option *option,
struct acpi_resource_irq *p)
{
int i;
- struct pnp_irq * irq;
-
+ struct pnp_irq *irq;
+
if (p->interrupt_count == 0)
return;
irq = kcalloc(1, sizeof(struct pnp_irq), GFP_KERNEL);
@@ -347,7 +358,7 @@ static void pnpacpi_parse_ext_irq_option(struct pnp_option *option,
struct acpi_resource_extended_irq *p)
{
int i;
- struct pnp_irq * irq;
+ struct pnp_irq *irq;
if (p->interrupt_count == 0)
return;
@@ -368,7 +379,7 @@ static void
pnpacpi_parse_port_option(struct pnp_option *option,
struct acpi_resource_io *io)
{
- struct pnp_port * port;
+ struct pnp_port *port;
if (io->address_length == 0)
return;
@@ -381,7 +392,7 @@ pnpacpi_parse_port_option(struct pnp_option *option,
port->size = io->address_length;
port->flags = ACPI_DECODE_16 == io->io_decode ?
PNP_PORT_FLAG_16BITADDR : 0;
- pnp_register_port_resource(option,port);
+ pnp_register_port_resource(option, port);
return;
}
@@ -389,7 +400,7 @@ static void
pnpacpi_parse_fixed_port_option(struct pnp_option *option,
struct acpi_resource_fixed_io *io)
{
- struct pnp_port * port;
+ struct pnp_port *port;
if (io->address_length == 0)
return;
@@ -400,7 +411,7 @@ pnpacpi_parse_fixed_port_option(struct pnp_option *option,
port->size = io->address_length;
port->align = 0;
port->flags = PNP_PORT_FLAG_FIXED;
- pnp_register_port_resource(option,port);
+ pnp_register_port_resource(option, port);
return;
}
@@ -408,7 +419,7 @@ static void
pnpacpi_parse_mem24_option(struct pnp_option *option,
struct acpi_resource_memory24 *p)
{
- struct pnp_mem * mem;
+ struct pnp_mem *mem;
if (p->address_length == 0)
return;
@@ -423,7 +434,7 @@ pnpacpi_parse_mem24_option(struct pnp_option *option,
mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
IORESOURCE_MEM_WRITEABLE : 0;
- pnp_register_mem_resource(option,mem);
+ pnp_register_mem_resource(option, mem);
return;
}
@@ -431,7 +442,7 @@ static void
pnpacpi_parse_mem32_option(struct pnp_option *option,
struct acpi_resource_memory32 *p)
{
- struct pnp_mem * mem;
+ struct pnp_mem *mem;
if (p->address_length == 0)
return;
@@ -446,7 +457,7 @@ pnpacpi_parse_mem32_option(struct pnp_option *option,
mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
IORESOURCE_MEM_WRITEABLE : 0;
- pnp_register_mem_resource(option,mem);
+ pnp_register_mem_resource(option, mem);
return;
}
@@ -454,7 +465,7 @@ static void
pnpacpi_parse_fixed_mem32_option(struct pnp_option *option,
struct acpi_resource_fixed_memory32 *p)
{
- struct pnp_mem * mem;
+ struct pnp_mem *mem;
if (p->address_length == 0)
return;
@@ -468,7 +479,7 @@ pnpacpi_parse_fixed_mem32_option(struct pnp_option *option,
mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
IORESOURCE_MEM_WRITEABLE : 0;
- pnp_register_mem_resource(option,mem);
+ pnp_register_mem_resource(option, mem);
return;
}
@@ -477,8 +488,8 @@ pnpacpi_parse_address_option(struct pnp_option *option, struct acpi_resource *r)
{
struct acpi_resource_address64 addr, *p = &addr;
acpi_status status;
- struct pnp_mem * mem;
- struct pnp_port * port;
+ struct pnp_mem *mem;
+ struct pnp_port *port;
status = acpi_resource_to_address64(r, p);
if (!ACPI_SUCCESS(status)) {
@@ -498,7 +509,7 @@ pnpacpi_parse_address_option(struct pnp_option *option, struct acpi_resource *r)
mem->align = 0;
mem->flags = (p->info.mem.write_protect ==
ACPI_READ_WRITE_MEMORY) ? IORESOURCE_MEM_WRITEABLE : 0;
- pnp_register_mem_resource(option,mem);
+ pnp_register_mem_resource(option, mem);
} else if (p->resource_type == ACPI_IO_RANGE) {
port = kcalloc(1, sizeof(struct pnp_port), GFP_KERNEL);
if (!port)
@@ -507,7 +518,7 @@ pnpacpi_parse_address_option(struct pnp_option *option, struct acpi_resource *r)
port->size = p->address_length;
port->align = 0;
port->flags = PNP_PORT_FLAG_FIXED;
- pnp_register_port_resource(option,port);
+ pnp_register_port_resource(option, port);
}
}
@@ -531,7 +542,7 @@ static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
break;
case ACPI_RESOURCE_TYPE_DMA:
- pnpacpi_parse_dma_option(option, &res->data.dma);
+ pnpacpi_parse_dma_option(option, &res->data.dma);
break;
case ACPI_RESOURCE_TYPE_START_DEPENDENT:
@@ -539,7 +550,7 @@ static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
case ACPI_GOOD_CONFIGURATION:
priority = PNP_RES_PRIORITY_PREFERRED;
break;
-
+
case ACPI_ACCEPTABLE_CONFIGURATION:
priority = PNP_RES_PRIORITY_ACCEPTABLE;
break;
@@ -555,7 +566,7 @@ static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
option = pnp_register_dependent_option(dev, priority);
if (!option)
return AE_ERROR;
- parse_data->option = option;
+ parse_data->option = option;
break;
case ACPI_RESOURCE_TYPE_END_DEPENDENT:
@@ -615,7 +626,7 @@ static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
pnp_warn("PnPACPI: unknown resource type %d", res->type);
return AE_ERROR;
}
-
+
return AE_OK;
}
@@ -636,13 +647,8 @@ acpi_status pnpacpi_parse_resource_option_data(acpi_handle handle,
return status;
}
-/*
- * Set resource
- */
-static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
- void *data)
+static int pnpacpi_supported_resource(struct acpi_resource *res)
{
- int *res_cnt = (int *)data;
switch (res->type) {
case ACPI_RESOURCE_TYPE_IRQ:
case ACPI_RESOURCE_TYPE_DMA:
@@ -655,43 +661,32 @@ static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
case ACPI_RESOURCE_TYPE_ADDRESS32:
case ACPI_RESOURCE_TYPE_ADDRESS64:
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
- (*res_cnt) ++;
- case ACPI_RESOURCE_TYPE_START_DEPENDENT:
- case ACPI_RESOURCE_TYPE_END_DEPENDENT:
- case ACPI_RESOURCE_TYPE_VENDOR:
- case ACPI_RESOURCE_TYPE_END_TAG:
- case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
- default:
- return AE_OK;
+ return 1;
}
- return AE_OK;
+ return 0;
}
-static acpi_status pnpacpi_type_resources(struct acpi_resource *res,
+/*
+ * Set resource
+ */
+static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
void *data)
{
- struct acpi_resource **resource = (struct acpi_resource **)data;
- switch (res->type) {
- case ACPI_RESOURCE_TYPE_IRQ:
- case ACPI_RESOURCE_TYPE_DMA:
- case ACPI_RESOURCE_TYPE_IO:
- case ACPI_RESOURCE_TYPE_FIXED_IO:
- case ACPI_RESOURCE_TYPE_MEMORY24:
- case ACPI_RESOURCE_TYPE_MEMORY32:
- case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
- case ACPI_RESOURCE_TYPE_ADDRESS16:
- case ACPI_RESOURCE_TYPE_ADDRESS32:
- case ACPI_RESOURCE_TYPE_ADDRESS64:
- case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
+ int *res_cnt = (int *)data;
+
+ if (pnpacpi_supported_resource(res))
+ (*res_cnt)++;
+ return AE_OK;
+}
+
+static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data)
+{
+ struct acpi_resource **resource = (struct acpi_resource **)data;
+
+ if (pnpacpi_supported_resource(res)) {
(*resource)->type = res->type;
+ (*resource)->length = sizeof(struct acpi_resource);
(*resource)++;
- case ACPI_RESOURCE_TYPE_START_DEPENDENT:
- case ACPI_RESOURCE_TYPE_END_DEPENDENT:
- case ACPI_RESOURCE_TYPE_VENDOR:
- case ACPI_RESOURCE_TYPE_END_TAG:
- case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
- default:
- return AE_OK;
}
return AE_OK;
@@ -735,11 +730,8 @@ static void pnpacpi_encode_irq(struct acpi_resource *resource,
struct resource *p)
{
int triggering, polarity;
-
- decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering,
- &polarity);
- resource->type = ACPI_RESOURCE_TYPE_IRQ;
- resource->length = sizeof(struct acpi_resource);
+
+ decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering, &polarity);
resource->data.irq.triggering = triggering;
resource->data.irq.polarity = polarity;
if (triggering == ACPI_EDGE_SENSITIVE)
@@ -754,11 +746,8 @@ static void pnpacpi_encode_ext_irq(struct acpi_resource *resource,
struct resource *p)
{
int triggering, polarity;
-
- decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering,
- &polarity);
- resource->type = ACPI_RESOURCE_TYPE_EXTENDED_IRQ;
- resource->length = sizeof(struct acpi_resource);
+
+ decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering, &polarity);
resource->data.extended_irq.producer_consumer = ACPI_CONSUMER;
resource->data.extended_irq.triggering = triggering;
resource->data.extended_irq.polarity = polarity;
@@ -773,8 +762,6 @@ static void pnpacpi_encode_ext_irq(struct acpi_resource *resource,
static void pnpacpi_encode_dma(struct acpi_resource *resource,
struct resource *p)
{
- resource->type = ACPI_RESOURCE_TYPE_DMA;
- resource->length = sizeof(struct acpi_resource);
/* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
if (p->flags & IORESOURCE_DMA_COMPATIBLE)
resource->data.dma.type = ACPI_COMPATIBILITY;
@@ -798,8 +785,6 @@ static void pnpacpi_encode_dma(struct acpi_resource *resource,
static void pnpacpi_encode_io(struct acpi_resource *resource,
struct resource *p)
{
- resource->type = ACPI_RESOURCE_TYPE_IO;
- resource->length = sizeof(struct acpi_resource);
/* Note: pnp_assign_port will copy pnp_port->flags into p->flags */
resource->data.io.io_decode = (p->flags & PNP_PORT_FLAG_16BITADDR)?
ACPI_DECODE_16 : ACPI_DECODE_10;
@@ -812,8 +797,6 @@ static void pnpacpi_encode_io(struct acpi_resource *resource,
static void pnpacpi_encode_fixed_io(struct acpi_resource *resource,
struct resource *p)
{
- resource->type = ACPI_RESOURCE_TYPE_FIXED_IO;
- resource->length = sizeof(struct acpi_resource);
resource->data.fixed_io.address = p->start;
resource->data.fixed_io.address_length = p->end - p->start + 1;
}
@@ -821,8 +804,6 @@ static void pnpacpi_encode_fixed_io(struct acpi_resource *resource,
static void pnpacpi_encode_mem24(struct acpi_resource *resource,
struct resource *p)
{
- resource->type = ACPI_RESOURCE_TYPE_MEMORY24;
- resource->length = sizeof(struct acpi_resource);
/* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */
resource->data.memory24.write_protect =
(p->flags & IORESOURCE_MEM_WRITEABLE) ?
@@ -836,8 +817,6 @@ static void pnpacpi_encode_mem24(struct acpi_resource *resource,
static void pnpacpi_encode_mem32(struct acpi_resource *resource,
struct resource *p)
{
- resource->type = ACPI_RESOURCE_TYPE_MEMORY32;
- resource->length = sizeof(struct acpi_resource);
resource->data.memory32.write_protect =
(p->flags & IORESOURCE_MEM_WRITEABLE) ?
ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
@@ -850,8 +829,6 @@ static void pnpacpi_encode_mem32(struct acpi_resource *resource,
static void pnpacpi_encode_fixed_mem32(struct acpi_resource *resource,
struct resource *p)
{
- resource->type = ACPI_RESOURCE_TYPE_FIXED_MEMORY32;
- resource->length = sizeof(struct acpi_resource);
resource->data.fixed_memory32.write_protect =
(p->flags & IORESOURCE_MEM_WRITEABLE) ?
ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
@@ -882,37 +859,37 @@ int pnpacpi_encode_resources(struct pnp_resource_table *res_table,
pnp_dbg("Encode dma");
pnpacpi_encode_dma(resource,
&res_table->dma_resource[dma]);
- dma ++;
+ dma++;
break;
case ACPI_RESOURCE_TYPE_IO:
pnp_dbg("Encode io");
pnpacpi_encode_io(resource,
&res_table->port_resource[port]);
- port ++;
+ port++;
break;
case ACPI_RESOURCE_TYPE_FIXED_IO:
pnp_dbg("Encode fixed io");
pnpacpi_encode_fixed_io(resource,
&res_table->port_resource[port]);
- port ++;
+ port++;
break;
case ACPI_RESOURCE_TYPE_MEMORY24:
pnp_dbg("Encode mem24");
pnpacpi_encode_mem24(resource,
&res_table->mem_resource[mem]);
- mem ++;
+ mem++;
break;
case ACPI_RESOURCE_TYPE_MEMORY32:
pnp_dbg("Encode mem32");
pnpacpi_encode_mem32(resource,
&res_table->mem_resource[mem]);
- mem ++;
+ mem++;
break;
case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
pnp_dbg("Encode fixed mem32");
pnpacpi_encode_fixed_mem32(resource,
&res_table->mem_resource[mem]);
- mem ++;
+ mem++;
break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
pnp_dbg("Encode ext irq");
@@ -933,8 +910,8 @@ int pnpacpi_encode_resources(struct pnp_resource_table *res_table,
pnp_warn("unknown resource type %d", resource->type);
return -EINVAL;
}
- resource ++;
- i ++;
+ resource++;
+ i++;
}
return 0;
}
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index e27dc8f29972..b9beceb33141 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -63,7 +63,7 @@
/* Current ACPICA subsystem version in YYYYMMDD format */
-#define ACPI_CA_VERSION 0x20060127
+#define ACPI_CA_VERSION 0x20060608
/*
* OS name, used for the _OS object. The _OS object is essentially obsolete,
@@ -81,6 +81,7 @@
#define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */
#define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */
#define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */
+#define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */
/*
* Should the subsystem abort the loading of an ACPI table if the
@@ -102,9 +103,9 @@
#define ACPI_MAX_SEMAPHORE_COUNT 256
-/* Max reference count (for debug only) */
+/* Maximum object reference count (detects object deletion issues) */
-#define ACPI_MAX_REFERENCE_COUNT 0x400
+#define ACPI_MAX_REFERENCE_COUNT 0x800
/* Size of cached memory mapping for system memory operation region */
@@ -171,12 +172,7 @@
/* Array sizes. Used for range checking also */
-#define ACPI_NUM_ACCESS_TYPES 6
-#define ACPI_NUM_UPDATE_RULES 3
-#define ACPI_NUM_LOCK_RULES 2
-#define ACPI_NUM_MATCH_OPS 6
-#define ACPI_NUM_OPCODES 256
-#define ACPI_NUM_FIELD_NAMES 2
+#define ACPI_MAX_MATCH_OPCODE 5
/* RSDP checksums */
@@ -187,10 +183,6 @@
#define ACPI_SMBUS_BUFFER_SIZE 34
-/* Number of strings associated with the _OSI reserved method */
-
-#define ACPI_NUM_OSI_STRINGS 10
-
/******************************************************************************
*
* ACPI AML Debugger
diff --git a/include/acpi/acdisasm.h b/include/acpi/acdisasm.h
index 11a8fe39cb04..9a7d6921f534 100644
--- a/include/acpi/acdisasm.h
+++ b/include/acpi/acdisasm.h
@@ -50,26 +50,72 @@
#define BLOCK_PAREN 1
#define BLOCK_BRACE 2
#define BLOCK_COMMA_LIST 4
+#define ACPI_DEFAULT_RESNAME *(u32 *) "__RD"
struct acpi_external_list {
char *path;
+ char *internal_path;
struct acpi_external_list *next;
+ u32 value;
+ u16 length;
+ u8 type;
};
extern struct acpi_external_list *acpi_gbl_external_list;
-/* Strings used for decoding flags to ASL keywords */
+typedef const struct acpi_dmtable_info {
+ u8 opcode;
+ u8 offset;
+ char *name;
+
+} acpi_dmtable_info;
+
+/*
+ * Values for Opcode above.
+ * Note: 0-7 must not change, used as a flag shift value
+ */
+#define ACPI_DMT_FLAG0 0
+#define ACPI_DMT_FLAG1 1
+#define ACPI_DMT_FLAG2 2
+#define ACPI_DMT_FLAG3 3
+#define ACPI_DMT_FLAG4 4
+#define ACPI_DMT_FLAG5 5
+#define ACPI_DMT_FLAG6 6
+#define ACPI_DMT_FLAG7 7
+#define ACPI_DMT_FLAGS0 8
+#define ACPI_DMT_FLAGS2 9
+#define ACPI_DMT_UINT8 10
+#define ACPI_DMT_UINT16 11
+#define ACPI_DMT_UINT24 12
+#define ACPI_DMT_UINT32 13
+#define ACPI_DMT_UINT56 14
+#define ACPI_DMT_UINT64 15
+#define ACPI_DMT_STRING 16
+#define ACPI_DMT_NAME4 17
+#define ACPI_DMT_NAME6 18
+#define ACPI_DMT_NAME8 19
+#define ACPI_DMT_CHKSUM 20
+#define ACPI_DMT_SPACEID 21
+#define ACPI_DMT_GAS 22
+#define ACPI_DMT_MADT 23
+#define ACPI_DMT_SRAT 24
+#define ACPI_DMT_EXIT 25
-extern const char *acpi_gbl_word_decode[4];
-extern const char *acpi_gbl_irq_decode[2];
-extern const char *acpi_gbl_lock_rule[ACPI_NUM_LOCK_RULES];
-extern const char *acpi_gbl_access_types[ACPI_NUM_ACCESS_TYPES];
-extern const char *acpi_gbl_update_rules[ACPI_NUM_UPDATE_RULES];
-extern const char *acpi_gbl_match_ops[ACPI_NUM_MATCH_OPS];
+typedef
+void (*ACPI_TABLE_HANDLER) (struct acpi_table_header * table);
+
+struct acpi_dmtable_data {
+ char *signature;
+ struct acpi_dmtable_info *table_info;
+ ACPI_TABLE_HANDLER table_handler;
+};
struct acpi_op_walk_info {
u32 level;
+ u32 last_level;
+ u32 count;
u32 bit_offset;
+ u32 flags;
struct acpi_walk_state *walk_state;
};
@@ -77,6 +123,100 @@ typedef
acpi_status(*asl_walk_callback) (union acpi_parse_object * op,
u32 level, void *context);
+struct acpi_resource_tag {
+ u32 bit_index;
+ char *tag;
+};
+
+/* Strings used for decoding flags to ASL keywords */
+
+extern const char *acpi_gbl_word_decode[];
+extern const char *acpi_gbl_irq_decode[];
+extern const char *acpi_gbl_lock_rule[];
+extern const char *acpi_gbl_access_types[];
+extern const char *acpi_gbl_update_rules[];
+extern const char *acpi_gbl_match_ops[];
+
+extern struct acpi_dmtable_info acpi_dm_table_info_asf0[];
+extern struct acpi_dmtable_info acpi_dm_table_info_asf1[];
+extern struct acpi_dmtable_info acpi_dm_table_info_asf2[];
+extern struct acpi_dmtable_info acpi_dm_table_info_asf3[];
+extern struct acpi_dmtable_info acpi_dm_table_info_asf4[];
+extern struct acpi_dmtable_info acpi_dm_table_info_asf_hdr[];
+extern struct acpi_dmtable_info acpi_dm_table_info_boot[];
+extern struct acpi_dmtable_info acpi_dm_table_info_cpep[];
+extern struct acpi_dmtable_info acpi_dm_table_info_cpep0[];
+extern struct acpi_dmtable_info acpi_dm_table_info_dbgp[];
+extern struct acpi_dmtable_info acpi_dm_table_info_ecdt[];
+extern struct acpi_dmtable_info acpi_dm_table_info_facs[];
+extern struct acpi_dmtable_info acpi_dm_table_info_fadt1[];
+extern struct acpi_dmtable_info acpi_dm_table_info_fadt2[];
+extern struct acpi_dmtable_info acpi_dm_table_info_gas[];
+extern struct acpi_dmtable_info acpi_dm_table_info_header[];
+extern struct acpi_dmtable_info acpi_dm_table_info_hpet[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt0[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt1[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt2[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt3[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt4[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt5[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt6[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt7[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt8[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt_hdr[];
+extern struct acpi_dmtable_info acpi_dm_table_info_mcfg[];
+extern struct acpi_dmtable_info acpi_dm_table_info_mcfg0[];
+extern struct acpi_dmtable_info acpi_dm_table_info_rsdp1[];
+extern struct acpi_dmtable_info acpi_dm_table_info_rsdp2[];
+extern struct acpi_dmtable_info acpi_dm_table_info_sbst[];
+extern struct acpi_dmtable_info acpi_dm_table_info_slit[];
+extern struct acpi_dmtable_info acpi_dm_table_info_spcr[];
+extern struct acpi_dmtable_info acpi_dm_table_info_spmi[];
+extern struct acpi_dmtable_info acpi_dm_table_info_srat[];
+extern struct acpi_dmtable_info acpi_dm_table_info_srat0[];
+extern struct acpi_dmtable_info acpi_dm_table_info_srat1[];
+extern struct acpi_dmtable_info acpi_dm_table_info_tcpa[];
+extern struct acpi_dmtable_info acpi_dm_table_info_wdrt[];
+
+/*
+ * dmtable
+ */
+void acpi_dm_dump_data_table(struct acpi_table_header *table);
+
+void
+acpi_dm_dump_table(u32 table_length,
+ u32 table_offset,
+ void *table,
+ u32 sub_table_length, struct acpi_dmtable_info *info);
+
+void acpi_dm_line_header(u32 offset, u32 byte_length, char *name);
+
+void acpi_dm_line_header2(u32 offset, u32 byte_length, char *name, u32 value);
+
+/*
+ * dmtbdump
+ */
+void acpi_dm_dump_asf(struct acpi_table_header *table);
+
+void acpi_dm_dump_cpep(struct acpi_table_header *table);
+
+void acpi_dm_dump_fadt(struct acpi_table_header *table);
+
+void acpi_dm_dump_srat(struct acpi_table_header *table);
+
+void acpi_dm_dump_mcfg(struct acpi_table_header *table);
+
+void acpi_dm_dump_madt(struct acpi_table_header *table);
+
+u32 acpi_dm_dump_rsdp(struct acpi_table_header *table);
+
+void acpi_dm_dump_rsdt(struct acpi_table_header *table);
+
+void acpi_dm_dump_slit(struct acpi_table_header *table);
+
+void acpi_dm_dump_xsdt(struct acpi_table_header *table);
+
/*
* dmwalk
*/
@@ -84,6 +224,11 @@ void
acpi_dm_disassemble(struct acpi_walk_state *walk_state,
union acpi_parse_object *origin, u32 num_opcodes);
+void
+acpi_dm_walk_parse_tree(union acpi_parse_object *op,
+ asl_walk_callback descending_callback,
+ asl_walk_callback ascending_callback, void *context);
+
/*
* dmopcode
*/
@@ -166,6 +311,7 @@ void acpi_dm_dump_integer64(u64 value, char *name);
void
acpi_dm_resource_template(struct acpi_op_walk_info *info,
+ union acpi_parse_object *op,
u8 * byte_data, u32 byte_count);
u8 acpi_dm_is_resource_template(union acpi_parse_object *op);
@@ -176,6 +322,8 @@ void acpi_dm_bit_list(u16 mask);
void acpi_dm_decode_attribute(u8 attribute);
+void acpi_dm_descriptor_name(void);
+
/*
* dmresrcl
*/
@@ -248,6 +396,15 @@ acpi_dm_vendor_small_descriptor(union aml_resource *resource,
/*
* dmutils
*/
-void acpi_dm_add_to_external_list(char *path);
+void acpi_dm_add_to_external_list(char *path, u8 type, u32 value);
+
+/*
+ * dmrestag
+ */
+void acpi_dm_find_resources(union acpi_parse_object *root);
+
+void
+acpi_dm_check_resource_reference(union acpi_parse_object *op,
+ struct acpi_walk_state *walk_state);
#endif /* __ACDISASM_H__ */
diff --git a/include/acpi/acdispat.h b/include/acpi/acdispat.h
index c41a926ff317..288f84903af7 100644
--- a/include/acpi/acdispat.h
+++ b/include/acpi/acdispat.h
@@ -194,7 +194,9 @@ acpi_status
acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
union acpi_operand_object *return_desc);
-void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state);
+void
+acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
+ struct acpi_walk_state *walk_state);
acpi_status
acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
@@ -302,7 +304,7 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
struct acpi_namespace_node *method_node,
u8 * aml_start,
u32 aml_length,
- struct acpi_parameter_info *info, u8 pass_number);
+ struct acpi_evaluate_info *info, u8 pass_number);
acpi_status
acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
diff --git a/include/acpi/acevents.h b/include/acpi/acevents.h
index f2717be4fe0d..234142828e1a 100644
--- a/include/acpi/acevents.h
+++ b/include/acpi/acevents.h
@@ -93,7 +93,7 @@ struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
*/
u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info);
-acpi_status acpi_ev_walk_gpe_list(ACPI_GPE_CALLBACK gpe_walk_callback);
+acpi_status acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback);
acpi_status
acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
@@ -138,7 +138,7 @@ acpi_status
acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
u32 function,
acpi_physical_address address,
- u32 bit_width, void *value);
+ u32 bit_width, acpi_integer * value);
acpi_status
acpi_ev_attach_region(union acpi_operand_object *handler_obj,
diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index dc768aa580e4..797ca1ea5214 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -160,8 +160,9 @@
#define AE_AML_BAD_RESOURCE_VALUE (acpi_status) (0x001F | AE_CODE_AML)
#define AE_AML_CIRCULAR_REFERENCE (acpi_status) (0x0020 | AE_CODE_AML)
#define AE_AML_BAD_RESOURCE_LENGTH (acpi_status) (0x0021 | AE_CODE_AML)
+#define AE_AML_ILLEGAL_ADDRESS (acpi_status) (0x0022 | AE_CODE_AML)
-#define AE_CODE_AML_MAX 0x0021
+#define AE_CODE_AML_MAX 0x0022
/*
* Internal exceptions used for control
@@ -275,7 +276,8 @@ char const *acpi_gbl_exception_names_aml[] = {
"AE_AML_NO_RESOURCE_END_TAG",
"AE_AML_BAD_RESOURCE_VALUE",
"AE_AML_CIRCULAR_REFERENCE",
- "AE_AML_BAD_RESOURCE_LENGTH"
+ "AE_AML_BAD_RESOURCE_LENGTH",
+ "AE_AML_ILLEGAL_ADDRESS"
};
char const *acpi_gbl_exception_names_ctrl[] = {
diff --git a/include/acpi/acglobal.h b/include/acpi/acglobal.h
index 734cc77bf2c7..14531d48f6b6 100644
--- a/include/acpi/acglobal.h
+++ b/include/acpi/acglobal.h
@@ -107,6 +107,7 @@ ACPI_EXTERN u32 acpi_gbl_trace_flags;
* 3) Allow access to uninitialized locals/args (auto-init to integer 0)
* 4) Allow ANY object type to be a source operand for the Store() operator
* 5) Allow unresolved references (invalid target name) in package objects
+ * 6) Enable warning messages for behavior that is not ACPI spec compliant
*/
ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE);
@@ -114,7 +115,7 @@ ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE);
* Automatically serialize ALL control methods? Default is FALSE, meaning
* to use the Serialized/not_serialized method flags on a per method basis.
* Only change this if the ASL code is poorly written and cannot handle
- * reentrancy even though methods are marked "not_serialized".
+ * reentrancy even though methods are marked "NotSerialized".
*/
ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE);
@@ -149,10 +150,10 @@ ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
ACPI_EXTERN u32 acpi_gbl_table_flags;
ACPI_EXTERN u32 acpi_gbl_rsdt_table_count;
ACPI_EXTERN struct rsdp_descriptor *acpi_gbl_RSDP;
-ACPI_EXTERN XSDT_DESCRIPTOR *acpi_gbl_XSDT;
-ACPI_EXTERN FADT_DESCRIPTOR *acpi_gbl_FADT;
+ACPI_EXTERN struct xsdt_descriptor *acpi_gbl_XSDT;
+ACPI_EXTERN struct fadt_descriptor *acpi_gbl_FADT;
ACPI_EXTERN struct acpi_table_header *acpi_gbl_DSDT;
-ACPI_EXTERN FACS_DESCRIPTOR *acpi_gbl_FACS;
+ACPI_EXTERN struct facs_descriptor *acpi_gbl_FACS;
ACPI_EXTERN struct acpi_common_facs acpi_gbl_common_fACS;
/*
* Since there may be multiple SSDTs and PSDTs, a single pointer is not
@@ -177,15 +178,15 @@ ACPI_EXTERN u8 acpi_gbl_integer_nybble_width;
/*
* ACPI Table info arrays
*/
-extern struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES];
-extern struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES];
+extern struct acpi_table_list acpi_gbl_table_lists[ACPI_TABLE_ID_MAX + 1];
+extern struct acpi_table_support acpi_gbl_table_data[ACPI_TABLE_ID_MAX + 1];
/*
* Predefined mutex objects. This array contains the
* actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
* (The table maps local handles to the real OS handles)
*/
-ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[NUM_MUTEX];
+ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[ACPI_NUM_MUTEX];
/*****************************************************************************
*
@@ -203,6 +204,7 @@ ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list;
/* Object caches */
+ACPI_EXTERN acpi_cache_t *acpi_gbl_namespace_cache;
ACPI_EXTERN acpi_cache_t *acpi_gbl_state_cache;
ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_cache;
ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_ext_cache;
@@ -244,7 +246,6 @@ extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
extern const char *acpi_gbl_highest_dstate_names[4];
extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
-extern const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS];
/*****************************************************************************
*
@@ -291,14 +292,6 @@ ACPI_EXTERN u8 acpi_gbl_cm_single_step;
/*****************************************************************************
*
- * Parser globals
- *
- ****************************************************************************/
-
-ACPI_EXTERN union acpi_parse_object *acpi_gbl_parsed_namespace_root;
-
-/*****************************************************************************
- *
* Hardware globals
*
****************************************************************************/
@@ -321,7 +314,11 @@ ACPI_EXTERN struct acpi_fixed_event_handler
ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
ACPI_EXTERN struct acpi_gpe_block_info
*acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
+
+/* Spinlocks */
+
ACPI_EXTERN acpi_handle acpi_gbl_gpe_lock;
+ACPI_EXTERN acpi_handle acpi_gbl_hardware_lock;
/*****************************************************************************
*
diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index 8361820d2970..1eeca7adca95 100644
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -44,7 +44,10 @@
#ifndef __ACLOCAL_H__
#define __ACLOCAL_H__
+/* acpisrc:struct_defs -- for acpisrc conversion */
+
#define ACPI_WAIT_FOREVER 0xFFFF /* u16, as per ACPI spec */
+#define ACPI_INFINITE_CONCURRENCY 0xFF
typedef void *acpi_mutex;
typedef u32 acpi_mutex_handle;
@@ -69,52 +72,55 @@ union acpi_parse_object;
* Predefined handles for the mutex objects used within the subsystem
* All mutex objects are automatically created by acpi_ut_mutex_initialize.
*
- * The acquire/release ordering protocol is implied via this list. Mutexes
+ * The acquire/release ordering protocol is implied via this list. Mutexes
* with a lower value must be acquired before mutexes with a higher value.
*
- * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names table also!
+ * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names
+ * table below also!
*/
-#define ACPI_MTX_EXECUTE 0
-#define ACPI_MTX_INTERPRETER 1
-#define ACPI_MTX_PARSER 2
-#define ACPI_MTX_DISPATCHER 3
-#define ACPI_MTX_TABLES 4
-#define ACPI_MTX_OP_REGIONS 5
-#define ACPI_MTX_NAMESPACE 6
-#define ACPI_MTX_EVENTS 7
-#define ACPI_MTX_HARDWARE 8
-#define ACPI_MTX_CACHES 9
-#define ACPI_MTX_MEMORY 10
-#define ACPI_MTX_DEBUG_CMD_COMPLETE 11
-#define ACPI_MTX_DEBUG_CMD_READY 12
-
-#define MAX_MUTEX 12
-#define NUM_MUTEX MAX_MUTEX+1
+#define ACPI_MTX_INTERPRETER 0 /* AML Interpreter, main lock */
+#define ACPI_MTX_CONTROL_METHOD 1 /* Control method termination [TBD: may no longer be necessary] */
+#define ACPI_MTX_TABLES 2 /* Data for ACPI tables */
+#define ACPI_MTX_NAMESPACE 3 /* ACPI Namespace */
+#define ACPI_MTX_EVENTS 4 /* Data for ACPI events */
+#define ACPI_MTX_CACHES 5 /* Internal caches, general purposes */
+#define ACPI_MTX_MEMORY 6 /* Debug memory tracking lists */
+#define ACPI_MTX_DEBUG_CMD_COMPLETE 7 /* AML debugger */
+#define ACPI_MTX_DEBUG_CMD_READY 8 /* AML debugger */
+
+#define ACPI_MAX_MUTEX 8
+#define ACPI_NUM_MUTEX ACPI_MAX_MUTEX+1
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
#ifdef DEFINE_ACPI_GLOBALS
-/* Names for the mutexes used in the subsystem */
+/* Debug names for the mutexes above */
-static char *acpi_gbl_mutex_names[] = {
- "ACPI_MTX_Execute",
+static char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = {
"ACPI_MTX_Interpreter",
- "ACPI_MTX_Parser",
- "ACPI_MTX_Dispatcher",
+ "ACPI_MTX_Method",
"ACPI_MTX_Tables",
- "ACPI_MTX_op_regions",
"ACPI_MTX_Namespace",
"ACPI_MTX_Events",
- "ACPI_MTX_Hardware",
"ACPI_MTX_Caches",
"ACPI_MTX_Memory",
- "ACPI_MTX_debug_cmd_complete",
- "ACPI_MTX_debug_cmd_ready",
+ "ACPI_MTX_DebugCmdComplete",
+ "ACPI_MTX_DebugCmdReady"
};
#endif
#endif
+/*
+ * Predefined handles for spinlocks used within the subsystem.
+ * These spinlocks are created by acpi_ut_mutex_initialize
+ */
+#define ACPI_LOCK_GPES 0
+#define ACPI_LOCK_HARDWARE 1
+
+#define ACPI_MAX_LOCK 1
+#define ACPI_NUM_LOCK ACPI_MAX_LOCK+1
+
/* Owner IDs are used to track namespace nodes for selective deletion */
typedef u8 acpi_owner_id;
@@ -129,7 +135,7 @@ typedef u8 acpi_owner_id;
struct acpi_mutex_info {
acpi_mutex mutex;
u32 use_count;
- u32 thread_id;
+ acpi_thread_id thread_id;
};
/* Lock flag parameter for various interfaces */
@@ -144,6 +150,8 @@ struct acpi_mutex_info {
#define ACPI_FIELD_DWORD_GRANULARITY 4
#define ACPI_FIELD_QWORD_GRANULARITY 8
+#define ACPI_ENTRY_NOT_FOUND NULL
+
/*****************************************************************************
*
* Namespace typedefs and structs
@@ -158,49 +166,55 @@ typedef enum {
ACPI_IMODE_EXECUTE = 0x0E
} acpi_interpreter_mode;
-/*
- * The Node describes a named object that appears in the AML
- * An acpi_node is used to store Nodes.
- *
- * data_type is used to differentiate between internal descriptors, and MUST
- * be the first byte in this structure.
- */
union acpi_name_union {
u32 integer;
char ascii[4];
};
+/*
+ * The Namespace Node describes a named object that appears in the AML.
+ * descriptor_type is used to differentiate between internal descriptors.
+ *
+ * The node is optimized for both 32-bit and 64-bit platforms:
+ * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case.
+ *
+ * Note: The descriptor_type and Type fields must appear in the identical
+ * position in both the struct acpi_namespace_node and union acpi_operand_object
+ * structures.
+ */
struct acpi_namespace_node {
- u8 descriptor; /* Used to differentiate object descriptor types */
- u8 type; /* Type associated with this name */
- u16 reference_count; /* Current count of references and children */
+ union acpi_operand_object *object; /* Interpreter object */
+ u8 descriptor_type; /* Differentiate object descriptor types */
+ u8 type; /* ACPI Type associated with this name */
+ u8 flags; /* Miscellaneous flags */
+ acpi_owner_id owner_id; /* Node creator */
union acpi_name_union name; /* ACPI Name, always 4 chars per ACPI spec */
- union acpi_operand_object *object; /* Pointer to attached ACPI object (optional) */
struct acpi_namespace_node *child; /* First child */
- struct acpi_namespace_node *peer; /* Next peer */
- u8 owner_id; /* Who created this node */
- u8 flags;
-
- /* Fields used by the ASL compiler only */
+ struct acpi_namespace_node *peer; /* Peer. Parent if ANOBJ_END_OF_PEER_LIST set */
-#ifdef ACPI_ASL_COMPILER
- u32 value;
+ /*
+ * The following fields are used by the ASL compiler and disassembler only
+ */
+#ifdef ACPI_LARGE_NAMESPACE_NODE
union acpi_parse_object *op;
+ u32 value;
+ u32 length;
#endif
};
-#define ACPI_ENTRY_NOT_FOUND NULL
+/* Namespace Node flags */
-/* Node flags */
+#define ANOBJ_END_OF_PEER_LIST 0x01 /* End-of-list, Peer field points to parent */
+#define ANOBJ_DATA_WIDTH_32 0x02 /* Parent table uses 32-bit math */
+#define ANOBJ_METHOD_ARG 0x04 /* Node is a method argument */
+#define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */
+#define ANOBJ_SUBTREE_HAS_INI 0x10 /* Used to optimize device initialization */
-#define ANOBJ_RESERVED 0x01
-#define ANOBJ_END_OF_PEER_LIST 0x02
-#define ANOBJ_DATA_WIDTH_32 0x04 /* Parent table is 64-bits */
-#define ANOBJ_METHOD_ARG 0x08
-#define ANOBJ_METHOD_LOCAL 0x10
-#define ANOBJ_METHOD_NO_RETVAL 0x20
-#define ANOBJ_METHOD_SOME_NO_RETVAL 0x40
-#define ANOBJ_IS_BIT_OFFSET 0x80
+#define ANOBJ_IS_EXTERNAL 0x08 /* i_aSL only: This object created via External() */
+#define ANOBJ_METHOD_NO_RETVAL 0x10 /* i_aSL only: Method has no return value */
+#define ANOBJ_METHOD_SOME_NO_RETVAL 0x20 /* i_aSL only: Method has at least one return value */
+#define ANOBJ_IS_BIT_OFFSET 0x40 /* i_aSL only: Reference is a bit offset */
+#define ANOBJ_IS_REFERENCED 0x80 /* i_aSL only: Object was referenced */
/*
* ACPI Table Descriptor. One per ACPI table
@@ -212,8 +226,8 @@ struct acpi_table_desc {
struct acpi_table_header *pointer;
u8 *aml_start;
u64 physical_address;
- u32 aml_length;
acpi_size length;
+ u32 aml_length;
acpi_owner_id owner_id;
u8 type;
u8 allocation;
@@ -276,6 +290,9 @@ struct acpi_create_field_info {
u8 field_type;
};
+typedef
+acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state);
+
/*
* Bitmapped ACPI types. Used internally only
*/
@@ -377,7 +394,7 @@ struct acpi_gpe_walk_info {
struct acpi_gpe_block_info *gpe_block;
};
-typedef acpi_status(*ACPI_GPE_CALLBACK) (struct acpi_gpe_xrupt_info *
+typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *
gpe_xrupt_info,
struct acpi_gpe_block_info *
gpe_block);
@@ -416,13 +433,14 @@ struct acpi_field_info {
#define ACPI_CONTROL_PREDICATE_FALSE 0xC3
#define ACPI_CONTROL_PREDICATE_TRUE 0xC4
-#define ACPI_STATE_COMMON /* Two 32-bit fields and a pointer */\
- u8 data_type; /* To differentiate various internal objs */\
- u8 flags; \
- u16 value; \
- u16 state; \
- u16 reserved; \
- void *next;
+#define ACPI_STATE_COMMON \
+ void *next; \
+ u8 descriptor_type; /* To differentiate various internal objs */\
+ u8 flags; \
+ u16 value; \
+ u16 state;
+
+ /* There are 2 bytes available here until the next natural alignment boundary */
struct acpi_common_state {
ACPI_STATE_COMMON};
@@ -438,12 +456,12 @@ struct acpi_update_state {
* Pkg state - used to traverse nested package structures
*/
struct acpi_pkg_state {
- ACPI_STATE_COMMON union acpi_operand_object *source_object;
+ ACPI_STATE_COMMON u16 index;
+ union acpi_operand_object *source_object;
union acpi_operand_object *dest_object;
struct acpi_walk_state *walk_state;
void *this_target_obj;
u32 num_packages;
- u16 index;
};
/*
@@ -451,10 +469,10 @@ struct acpi_pkg_state {
* Allows nesting of these constructs
*/
struct acpi_control_state {
- ACPI_STATE_COMMON union acpi_parse_object *predicate_op;
+ ACPI_STATE_COMMON u16 opcode;
+ union acpi_parse_object *predicate_op;
u8 *aml_predicate_start; /* Start of if/while predicate */
u8 *package_end; /* End of if/while block */
- u16 opcode;
};
/*
@@ -465,11 +483,11 @@ struct acpi_scope_state {
};
struct acpi_pscope_state {
- ACPI_STATE_COMMON union acpi_parse_object *op; /* Current op being parsed */
+ ACPI_STATE_COMMON u32 arg_count; /* Number of fixed arguments */
+ union acpi_parse_object *op; /* Current op being parsed */
u8 *arg_end; /* Current argument end */
u8 *pkg_end; /* Current package end */
u32 arg_list; /* Next argument to parse */
- u32 arg_count; /* Number of fixed arguments */
};
/*
@@ -477,10 +495,10 @@ struct acpi_pscope_state {
* states are created when there are nested control methods executing.
*/
struct acpi_thread_state {
- ACPI_STATE_COMMON struct acpi_walk_state *walk_state_list; /* Head of list of walk_states for this thread */
+ ACPI_STATE_COMMON u8 current_sync_level; /* Mutex Sync (nested acquire) level */
+ struct acpi_walk_state *walk_state_list; /* Head of list of walk_states for this thread */
union acpi_operand_object *acquired_mutex_list; /* List of all currently acquired mutexes */
- u32 thread_id; /* Running thread ID */
- u8 current_sync_level; /* Mutex Sync (nested acquire) level */
+ acpi_thread_id thread_id; /* Running thread ID */
};
/*
@@ -488,10 +506,9 @@ struct acpi_thread_state {
* AML arguments
*/
struct acpi_result_values {
- ACPI_STATE_COMMON
- union acpi_operand_object *obj_desc[ACPI_OBJ_NUM_OPERANDS];
- u8 num_results;
+ ACPI_STATE_COMMON u8 num_results;
u8 last_insert;
+ union acpi_operand_object *obj_desc[ACPI_OBJ_NUM_OPERANDS];
};
typedef
@@ -546,7 +563,7 @@ struct acpi_opcode_info {
#endif
u32 parse_args; /* Grammar/Parse time arguments */
u32 runtime_args; /* Interpret time arguments */
- u32 flags; /* Misc flags */
+ u16 flags; /* Misc flags */
u8 object_type; /* Corresponding internal object type */
u8 class; /* Opcode class */
u8 type; /* Opcode type */
@@ -563,29 +580,31 @@ union acpi_parse_value {
};
#define ACPI_PARSE_COMMON \
- u8 data_type; /* To differentiate various internal objs */\
- u8 flags; /* Type of Op */\
- u16 aml_opcode; /* AML opcode */\
- u32 aml_offset; /* Offset of declaration in AML */\
- union acpi_parse_object *parent; /* Parent op */\
- union acpi_parse_object *next; /* Next op */\
+ union acpi_parse_object *parent; /* Parent op */\
+ u8 descriptor_type; /* To differentiate various internal objs */\
+ u8 flags; /* Type of Op */\
+ u16 aml_opcode; /* AML opcode */\
+ u32 aml_offset; /* Offset of declaration in AML */\
+ union acpi_parse_object *next; /* Next op */\
+ struct acpi_namespace_node *node; /* For use by interpreter */\
+ union acpi_parse_value value; /* Value or args associated with the opcode */\
ACPI_DISASM_ONLY_MEMBERS (\
- u8 disasm_flags; /* Used during AML disassembly */\
- u8 disasm_opcode; /* Subtype used for disassembly */\
- char aml_op_name[16]) /* Op name (debug only) */\
- /* NON-DEBUG members below: */\
- struct acpi_namespace_node *node; /* For use by interpreter */\
- union acpi_parse_value value; /* Value or args associated with the opcode */
-
-#define ACPI_DASM_BUFFER 0x00
-#define ACPI_DASM_RESOURCE 0x01
-#define ACPI_DASM_STRING 0x02
-#define ACPI_DASM_UNICODE 0x03
-#define ACPI_DASM_EISAID 0x04
-#define ACPI_DASM_MATCHOP 0x05
+ u8 disasm_flags; /* Used during AML disassembly */\
+ u8 disasm_opcode; /* Subtype used for disassembly */\
+ char aml_op_name[16]) /* Op name (debug only) */
+
+#define ACPI_DASM_BUFFER 0x00
+#define ACPI_DASM_RESOURCE 0x01
+#define ACPI_DASM_STRING 0x02
+#define ACPI_DASM_UNICODE 0x03
+#define ACPI_DASM_EISAID 0x04
+#define ACPI_DASM_MATCHOP 0x05
+#define ACPI_DASM_LNOT_PREFIX 0x06
+#define ACPI_DASM_LNOT_SUFFIX 0x07
+#define ACPI_DASM_IGNORE 0x08
/*
- * generic operation (for example: If, While, Store)
+ * Generic operation (for example: If, While, Store)
*/
struct acpi_parse_obj_common {
ACPI_PARSE_COMMON};
@@ -601,7 +620,7 @@ struct acpi_parse_obj_named {
u32 name; /* 4-byte name or zero if no name */
};
-/* The parse node is the fundamental element of the parse tree */
+/* This version is used by the i_aSL compiler only */
#define ACPI_MAX_PARSEOP_NAME 20
@@ -643,7 +662,6 @@ union acpi_parse_object {
* method.
*/
struct acpi_parse_state {
- u32 aml_size;
u8 *aml_start; /* First AML byte */
u8 *aml; /* Next AML byte */
u8 *aml_end; /* (last + 1) AML byte */
@@ -653,22 +671,23 @@ struct acpi_parse_state {
struct acpi_namespace_node *start_node;
union acpi_generic_state *scope; /* Current scope */
union acpi_parse_object *start_scope;
+ u32 aml_size;
};
/* Parse object flags */
-#define ACPI_PARSEOP_GENERIC 0x01
-#define ACPI_PARSEOP_NAMED 0x02
-#define ACPI_PARSEOP_DEFERRED 0x04
-#define ACPI_PARSEOP_BYTELIST 0x08
-#define ACPI_PARSEOP_IN_CACHE 0x80
+#define ACPI_PARSEOP_GENERIC 0x01
+#define ACPI_PARSEOP_NAMED 0x02
+#define ACPI_PARSEOP_DEFERRED 0x04
+#define ACPI_PARSEOP_BYTELIST 0x08
+#define ACPI_PARSEOP_IN_CACHE 0x80
/* Parse object disasm_flags */
-#define ACPI_PARSEOP_IGNORE 0x01
-#define ACPI_PARSEOP_PARAMLIST 0x02
-#define ACPI_PARSEOP_EMPTY_TERMLIST 0x04
-#define ACPI_PARSEOP_SPECIAL 0x10
+#define ACPI_PARSEOP_IGNORE 0x01
+#define ACPI_PARSEOP_PARAMLIST 0x02
+#define ACPI_PARSEOP_EMPTY_TERMLIST 0x04
+#define ACPI_PARSEOP_SPECIAL 0x10
/*****************************************************************************
*
@@ -676,8 +695,8 @@ struct acpi_parse_state {
*
****************************************************************************/
-#define PCI_ROOT_HID_STRING "PNP0A03"
-#define PCI_EXPRESS_ROOT_HID_STRING "PNP0A08"
+#define PCI_ROOT_HID_STRING "PNP0A03"
+#define PCI_EXPRESS_ROOT_HID_STRING "PNP0A08"
struct acpi_bit_register_info {
u8 parent_register;
@@ -710,13 +729,14 @@ struct acpi_bit_register_info {
#define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */
#define ACPI_BITMASK_WAKE_STATUS 0x8000
-#define ACPI_BITMASK_ALL_FIXED_STATUS (ACPI_BITMASK_TIMER_STATUS | \
- ACPI_BITMASK_BUS_MASTER_STATUS | \
- ACPI_BITMASK_GLOBAL_LOCK_STATUS | \
- ACPI_BITMASK_POWER_BUTTON_STATUS | \
- ACPI_BITMASK_SLEEP_BUTTON_STATUS | \
- ACPI_BITMASK_RT_CLOCK_STATUS | \
- ACPI_BITMASK_WAKE_STATUS)
+#define ACPI_BITMASK_ALL_FIXED_STATUS (\
+ ACPI_BITMASK_TIMER_STATUS | \
+ ACPI_BITMASK_BUS_MASTER_STATUS | \
+ ACPI_BITMASK_GLOBAL_LOCK_STATUS | \
+ ACPI_BITMASK_POWER_BUTTON_STATUS | \
+ ACPI_BITMASK_SLEEP_BUTTON_STATUS | \
+ ACPI_BITMASK_RT_CLOCK_STATUS | \
+ ACPI_BITMASK_WAKE_STATUS)
#define ACPI_BITMASK_TIMER_ENABLE 0x0001
#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020
@@ -820,7 +840,7 @@ struct acpi_bit_register_info {
*
****************************************************************************/
-#define ACPI_ASCII_ZERO 0x30
+#define ACPI_ASCII_ZERO 0x30
/*****************************************************************************
*
@@ -842,9 +862,9 @@ struct acpi_integrity_info {
u32 objects;
};
-#define ACPI_DB_REDIRECTABLE_OUTPUT 0x01
-#define ACPI_DB_CONSOLE_OUTPUT 0x02
-#define ACPI_DB_DUPLICATE_OUTPUT 0x03
+#define ACPI_DB_REDIRECTABLE_OUTPUT 0x01
+#define ACPI_DB_CONSOLE_OUTPUT 0x02
+#define ACPI_DB_DUPLICATE_OUTPUT 0x03
/*****************************************************************************
*
@@ -854,18 +874,18 @@ struct acpi_integrity_info {
/* Entry for a memory allocation (debug only) */
-#define ACPI_MEM_MALLOC 0
-#define ACPI_MEM_CALLOC 1
-#define ACPI_MAX_MODULE_NAME 16
+#define ACPI_MEM_MALLOC 0
+#define ACPI_MEM_CALLOC 1
+#define ACPI_MAX_MODULE_NAME 16
#define ACPI_COMMON_DEBUG_MEM_HEADER \
- struct acpi_debug_mem_block *previous; \
- struct acpi_debug_mem_block *next; \
- u32 size; \
- u32 component; \
- u32 line; \
- char module[ACPI_MAX_MODULE_NAME]; \
- u8 alloc_type;
+ struct acpi_debug_mem_block *previous; \
+ struct acpi_debug_mem_block *next; \
+ u32 size; \
+ u32 component; \
+ u32 line; \
+ char module[ACPI_MAX_MODULE_NAME]; \
+ u8 alloc_type;
struct acpi_debug_mem_header {
ACPI_COMMON_DEBUG_MEM_HEADER};
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index f2be2a881730..38f9aa4bef00 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -56,6 +56,10 @@
#define ACPI_CLEAR_BIT(target,bit) ((target) &= ~(bit))
#define ACPI_MIN(a,b) (((a)<(b))?(a):(b))
+/* Size calculation */
+
+#define ACPI_ARRAY_LENGTH(x) (sizeof(x) / sizeof((x)[0]))
+
#if ACPI_MACHINE_WIDTH == 16
/*
@@ -99,7 +103,7 @@
* printf() format helpers
*/
-/* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
+/* Split 64-bit integer into two 32-bit values. Use with %8.8_x%8.8_x */
#define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i),ACPI_LODWORD(i)
@@ -130,7 +134,6 @@
#define ACPI_TO_POINTER(i) ACPI_ADD_PTR (void,(void *) NULL,(acpi_native_uint) i)
#define ACPI_TO_INTEGER(p) ACPI_PTR_DIFF (p,(void *) NULL)
#define ACPI_OFFSET(d,f) (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
-#define ACPI_FADT_OFFSET(f) ACPI_OFFSET (FADT_DESCRIPTOR, f)
#if ACPI_MACHINE_WIDTH == 16
#define ACPI_STORE_POINTER(d,s) ACPI_MOVE_32_TO_32(d,s)
@@ -141,6 +144,12 @@
#define ACPI_PTR_TO_PHYSADDR(i) ACPI_TO_INTEGER(i)
#endif
+#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
+#define ACPI_COMPARE_NAME(a,b) (*ACPI_CAST_PTR (u32,(a)) == *ACPI_CAST_PTR (u32,(b)))
+#else
+#define ACPI_COMPARE_NAME(a,b) (!ACPI_STRNCMP (ACPI_CAST_PTR (char,(a)), ACPI_CAST_PTR (char,(b)), ACPI_NAME_SIZE))
+#endif
+
/*
* Macros for moving data around to/from buffers that are possibly unaligned.
* If the hardware supports the transfer of unaligned data, just do the store.
@@ -341,29 +350,33 @@
/*
* Rounding macros (Power of two boundaries only)
*/
-#define ACPI_ROUND_DOWN(value,boundary) (((acpi_native_uint)(value)) & \
+#define ACPI_ROUND_DOWN(value,boundary) (((acpi_native_uint)(value)) & \
(~(((acpi_native_uint) boundary)-1)))
-#define ACPI_ROUND_UP(value,boundary) ((((acpi_native_uint)(value)) + \
+#define ACPI_ROUND_UP(value,boundary) ((((acpi_native_uint)(value)) + \
(((acpi_native_uint) boundary)-1)) & \
(~(((acpi_native_uint) boundary)-1)))
-#define ACPI_ROUND_DOWN_TO_32_BITS(a) ACPI_ROUND_DOWN(a,4)
-#define ACPI_ROUND_DOWN_TO_64_BITS(a) ACPI_ROUND_DOWN(a,8)
-#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a,ALIGNED_ADDRESS_BOUNDARY)
+/* Note: sizeof(acpi_native_uint) evaluates to either 2, 4, or 8 */
+
+#define ACPI_ROUND_DOWN_TO_32BIT(a) ACPI_ROUND_DOWN(a,4)
+#define ACPI_ROUND_DOWN_TO_64BIT(a) ACPI_ROUND_DOWN(a,8)
+#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a,sizeof(acpi_native_uint))
-#define ACPI_ROUND_UP_to_32_bITS(a) ACPI_ROUND_UP(a,4)
-#define ACPI_ROUND_UP_to_64_bITS(a) ACPI_ROUND_UP(a,8)
-#define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a,ALIGNED_ADDRESS_BOUNDARY)
+#define ACPI_ROUND_UP_TO_32BIT(a) ACPI_ROUND_UP(a,4)
+#define ACPI_ROUND_UP_TO_64BIT(a) ACPI_ROUND_UP(a,8)
+#define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a,sizeof(acpi_native_uint))
-#define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7)
-#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a))
+#define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7)
+#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a))
-#define ACPI_ROUND_UP_TO_1K(a) (((a) + 1023) >> 10)
+#define ACPI_ROUND_UP_TO_1K(a) (((a) + 1023) >> 10)
/* Generic (non-power-of-two) rounding */
-#define ACPI_ROUND_UP_TO(value,boundary) (((value) + ((boundary)-1)) / (boundary))
+#define ACPI_ROUND_UP_TO(value,boundary) (((value) + ((boundary)-1)) / (boundary))
+
+#define ACPI_IS_MISALIGNED(value) (((acpi_native_uint)value) & (sizeof(acpi_native_uint)-1))
/*
* Bitmask creation
@@ -371,10 +384,10 @@
* MASK_BITS_ABOVE creates a mask starting AT the position and above
* MASK_BITS_BELOW creates a mask starting one bit BELOW the position
*/
-#define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_INTEGER_MAX) << ((u32) (position))))
-#define ACPI_MASK_BITS_BELOW(position) ((ACPI_INTEGER_MAX) << ((u32) (position)))
+#define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_INTEGER_MAX) << ((u32) (position))))
+#define ACPI_MASK_BITS_BELOW(position) ((ACPI_INTEGER_MAX) << ((u32) (position)))
-#define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7'))
+#define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7'))
/* Bitfields within ACPI registers */
@@ -396,8 +409,8 @@
*
* The "Descriptor" field is the first field in both structures.
*/
-#define ACPI_GET_DESCRIPTOR_TYPE(d) (((union acpi_descriptor *)(void *)(d))->descriptor_id)
-#define ACPI_SET_DESCRIPTOR_TYPE(d,t) (((union acpi_descriptor *)(void *)(d))->descriptor_id = t)
+#define ACPI_GET_DESCRIPTOR_TYPE(d) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type)
+#define ACPI_SET_DESCRIPTOR_TYPE(d,t) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = t)
/* Macro to test the object type */
@@ -486,7 +499,6 @@
#define ACPI_ERROR(plist)
#define ACPI_ERROR_NAMESPACE(s,e)
#define ACPI_ERROR_METHOD(s,n,p,e)
-
#endif
/*
@@ -514,12 +526,12 @@
#define ACPI_GET_FUNCTION_NAME _acpi_function_name
/*
* The Name parameter should be the procedure name as a quoted string.
- * This is declared as a local string ("my_function_name") so that it can
+ * This is declared as a local string ("MyFunctionName") so that it can
* be also used by the function exit macros below.
* Note: (const char) is used to be compatible with the debug interfaces
* and macros such as __FUNCTION__.
*/
-#define ACPI_FUNCTION_NAME(name) const char *_acpi_function_name = name;
+#define ACPI_FUNCTION_NAME(name) const char *_acpi_function_name = #name;
#else
/* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */
@@ -528,13 +540,13 @@
#endif
#define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \
- acpi_ut_trace(ACPI_DEBUG_PARAMETERS)
+ acpi_ut_trace(ACPI_DEBUG_PARAMETERS)
#define ACPI_FUNCTION_TRACE_PTR(a,b) ACPI_FUNCTION_NAME(a) \
- acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS,(void *)b)
+ acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS,(void *)b)
#define ACPI_FUNCTION_TRACE_U32(a,b) ACPI_FUNCTION_NAME(a) \
- acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS,(u32)b)
+ acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS,(u32)b)
#define ACPI_FUNCTION_TRACE_STR(a,b) ACPI_FUNCTION_NAME(a) \
- acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS,(char *)b)
+ acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS,(char *)b)
#define ACPI_FUNCTION_ENTRY() acpi_ut_track_stack_ptr()
@@ -543,7 +555,7 @@
* WARNING: These macros include a return statement. This is usually considered
* bad form, but having a separate exit macro is very ugly and difficult to maintain.
* One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
- * so that "_acpi_function_name" is defined.
+ * so that "_AcpiFunctionName" is defined.
*
* Note: the DO_WHILE0 macro is used to prevent some compilers from complaining
* about these constructs.
@@ -654,6 +666,7 @@
#define ACPI_DUMP_STACK_ENTRY(a)
#define ACPI_DUMP_OPERANDS(a,b,c,d,e)
#define ACPI_DUMP_ENTRY(a,b)
+#define ACPI_DUMP_TABLES(a,b)
#define ACPI_DUMP_PATHNAME(a,b,c,d)
#define ACPI_DUMP_RESOURCE_LIST(a)
#define ACPI_DUMP_BUFFER(a,b)
@@ -709,19 +722,19 @@
/* Memory allocation */
-#define ACPI_MEM_ALLOCATE(a) acpi_ut_allocate((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
-#define ACPI_MEM_CALLOCATE(a) acpi_ut_callocate((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
-#define ACPI_MEM_FREE(a) acpi_os_free(a)
+#define ACPI_ALLOCATE(a) acpi_ut_allocate((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
+#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
+#define ACPI_FREE(a) acpi_os_free(a)
#define ACPI_MEM_TRACKING(a)
#else
/* Memory allocation */
-#define ACPI_MEM_ALLOCATE(a) acpi_ut_allocate_and_track((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
-#define ACPI_MEM_CALLOCATE(a) acpi_ut_callocate_and_track((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
-#define ACPI_MEM_FREE(a) acpi_ut_free_and_track(a,_COMPONENT,_acpi_module_name,__LINE__)
-#define ACPI_MEM_TRACKING(a) a
+#define ACPI_ALLOCATE(a) acpi_ut_allocate_and_track((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
+#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed_and_track((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
+#define ACPI_FREE(a) acpi_ut_free_and_track(a,_COMPONENT,_acpi_module_name,__LINE__)
+#define ACPI_MEM_TRACKING(a) a
#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
diff --git a/include/acpi/acnamesp.h b/include/acpi/acnamesp.h
index b667a804fc8a..83b52f9f899a 100644
--- a/include/acpi/acnamesp.h
+++ b/include/acpi/acnamesp.h
@@ -63,6 +63,8 @@
#define ACPI_NS_DONT_OPEN_SCOPE 0x02
#define ACPI_NS_NO_PEER_SEARCH 0x04
#define ACPI_NS_ERROR_IF_FOUND 0x08
+#define ACPI_NS_PREFIX_IS_SCOPE 0x10
+#define ACPI_NS_EXTERNAL 0x20
#define ACPI_NS_WALK_UNLOCK TRUE
#define ACPI_NS_WALK_NO_UNLOCK FALSE
@@ -171,19 +173,17 @@ acpi_ns_dump_objects(acpi_object_type type,
/*
* nseval - Namespace evaluation functions
*/
-acpi_status acpi_ns_evaluate_by_handle(struct acpi_parameter_info *info);
-
-acpi_status
-acpi_ns_evaluate_by_name(char *pathname, struct acpi_parameter_info *info);
-
-acpi_status
-acpi_ns_evaluate_relative(char *pathname, struct acpi_parameter_info *info);
+acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
/*
* nsnames - Name and Scope manipulation
*/
u32 acpi_ns_opens_scope(acpi_object_type type);
+void
+acpi_ns_build_external_path(struct acpi_namespace_node *node,
+ acpi_size size, char *name_buffer);
+
char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node);
char *acpi_ns_name_of_current_scope(struct acpi_walk_state *walk_state);
@@ -196,9 +196,9 @@ u8
acpi_ns_pattern_match(struct acpi_namespace_node *obj_node, char *search_for);
acpi_status
-acpi_ns_get_node_by_path(char *external_pathname,
- struct acpi_namespace_node *in_prefix_node,
- u32 flags, struct acpi_namespace_node **out_node);
+acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
+ char *external_pathname,
+ u32 flags, struct acpi_namespace_node **out_node);
acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node);
@@ -241,10 +241,10 @@ acpi_ns_search_and_enter(u32 entry_name,
u32 flags, struct acpi_namespace_node **ret_node);
acpi_status
-acpi_ns_search_node(u32 entry_name,
- struct acpi_namespace_node *node,
- acpi_object_type type,
- struct acpi_namespace_node **ret_node);
+acpi_ns_search_one_scope(u32 entry_name,
+ struct acpi_namespace_node *node,
+ acpi_object_type type,
+ struct acpi_namespace_node **ret_node);
void
acpi_ns_install_node(struct acpi_walk_state *walk_state,
diff --git a/include/acpi/acobject.h b/include/acpi/acobject.h
index d130cfed8d55..1747d94084d8 100644
--- a/include/acpi/acobject.h
+++ b/include/acpi/acobject.h
@@ -1,7 +1,7 @@
/******************************************************************************
*
- * Name: acobject.h - Definition of union acpi_operand_object (Internal object only)
+ * Name: acobject.h - Definition of union acpi_operand_object (Internal object only)
*
*****************************************************************************/
@@ -45,10 +45,12 @@
#ifndef _ACOBJECT_H
#define _ACOBJECT_H
+/* acpisrc:struct_defs -- for acpisrc conversion */
+
/*
- * The union acpi_operand_object is used to pass AML operands from the dispatcher
+ * The union acpi_operand_object is used to pass AML operands from the dispatcher
* to the interpreter, and to keep track of the various handlers such as
- * address space handlers and notify handlers. The object is a constant
+ * address space handlers and notify handlers. The object is a constant
* size in order to allow it to be cached and reused.
*/
@@ -61,17 +63,25 @@
/*
* Common area for all objects.
*
- * data_type is used to differentiate between internal descriptors, and MUST
- * be the first byte in this structure.
+ * descriptor_type is used to differentiate between internal descriptors, and
+ * must be in the same place across all descriptors
+ *
+ * Note: The descriptor_type and Type fields must appear in the identical
+ * position in both the struct acpi_namespace_node and union acpi_operand_object
+ * structures.
*/
-#define ACPI_OBJECT_COMMON_HEADER /* SIZE/ALIGNMENT: 32 bits, one ptr plus trailing 8-bit flag */\
- u8 descriptor; /* To differentiate various internal objs */\
- u8 type; /* acpi_object_type */\
- u16 reference_count; /* For object deletion management */\
- union acpi_operand_object *next_object; /* Objects linked to parent NS node */\
- u8 flags;
-
-/* Values for flag byte above */
+#define ACPI_OBJECT_COMMON_HEADER \
+ union acpi_operand_object *next_object; /* Objects linked to parent NS node */\
+ u8 descriptor_type; /* To differentiate various internal objs */\
+ u8 type; /* acpi_object_type */\
+ u16 reference_count; /* For object deletion management */\
+ u8 flags;
+ /*
+ * Note: There are 3 bytes available here before the
+ * next natural alignment boundary (for both 32/64 cases)
+ */
+
+/* Values for Flag byte above */
#define AOPOBJ_AML_CONSTANT 0x01
#define AOPOBJ_STATIC_POINTER 0x02
@@ -79,36 +89,7 @@
#define AOPOBJ_OBJECT_INITIALIZED 0x08
#define AOPOBJ_SETUP_COMPLETE 0x10
#define AOPOBJ_SINGLE_DATUM 0x20
-
-/*
- * Common bitfield for the field objects
- * "Field Datum" -- a datum from the actual field object
- * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field
- */
-#define ACPI_COMMON_FIELD_INFO /* SIZE/ALIGNMENT: 24 bits + three 32-bit values */\
- u8 field_flags; /* Access, update, and lock bits */\
- u8 attribute; /* From access_as keyword */\
- u8 access_byte_width; /* Read/Write size in bytes */\
- u32 bit_length; /* Length of field in bits */\
- u32 base_byte_offset; /* Byte offset within containing object */\
- u8 start_field_bit_offset;/* Bit offset within first field datum (0-63) */\
- u8 access_bit_width; /* Read/Write size in bits (8-64) */\
- u32 value; /* Value to store into the Bank or Index register */\
- struct acpi_namespace_node *node; /* Link back to parent node */
-
-/*
- * Fields common to both Strings and Buffers
- */
-#define ACPI_COMMON_BUFFER_INFO \
- u32 length;
-
-/*
- * Common fields for objects that support ASL notifications
- */
-#define ACPI_COMMON_NOTIFY_INFO \
- union acpi_operand_object *system_notify; /* Handler for system notifies */\
- union acpi_operand_object *device_notify; /* Handler for driver notifies */\
- union acpi_operand_object *handler; /* Handler for Address space */
+#define AOPOBJ_INVALID 0x40 /* Used if host OS won't allow an op_region address */
/******************************************************************************
*
@@ -125,25 +106,31 @@ struct acpi_object_integer {
/*
* Note: The String and Buffer object must be identical through the Pointer
- * element. There is code that depends on this.
+ * and length elements. There is code that depends on this.
+ *
+ * Fields common to both Strings and Buffers
*/
+#define ACPI_COMMON_BUFFER_INFO(_type) \
+ _type *pointer; \
+ u32 length;
+
struct acpi_object_string { /* Null terminated, ASCII characters only */
- ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO char *pointer; /* String in AML stream or allocated string */
+ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO(char) /* String in AML stream or allocated string */
};
struct acpi_object_buffer {
- ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO u8 * pointer; /* Buffer in AML stream or allocated buffer */
- struct acpi_namespace_node *node; /* Link back to parent node */
- u8 *aml_start;
+ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO(u8) /* Buffer in AML stream or allocated buffer */
u32 aml_length;
+ u8 *aml_start;
+ struct acpi_namespace_node *node; /* Link back to parent node */
};
struct acpi_object_package {
- ACPI_OBJECT_COMMON_HEADER u32 count; /* # of elements in package */
- u32 aml_length;
- u8 *aml_start;
- struct acpi_namespace_node *node; /* Link back to parent node */
+ ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *node; /* Link back to parent node */
union acpi_operand_object **elements; /* Array of pointers to acpi_objects */
+ u8 *aml_start;
+ u32 aml_length;
+ u32 count; /* # of elements in package */
};
/******************************************************************************
@@ -156,23 +143,6 @@ struct acpi_object_event {
ACPI_OBJECT_COMMON_HEADER void *semaphore;
};
-#define ACPI_INFINITE_CONCURRENCY 0xFF
-
-typedef
-acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state);
-
-struct acpi_object_method {
- ACPI_OBJECT_COMMON_HEADER u8 method_flags;
- u8 param_count;
- u32 aml_length;
- void *semaphore;
- u8 *aml_start;
- ACPI_INTERNAL_METHOD implementation;
- u8 concurrency;
- u8 thread_count;
- acpi_owner_id owner_id;
-};
-
struct acpi_object_mutex {
ACPI_OBJECT_COMMON_HEADER u8 sync_level; /* 0-15, specified in Mutex() call */
u16 acquisition_depth; /* Allow multiple Acquires, same thread */
@@ -186,11 +156,23 @@ struct acpi_object_mutex {
struct acpi_object_region {
ACPI_OBJECT_COMMON_HEADER u8 space_id;
- union acpi_operand_object *handler; /* Handler for region access */
struct acpi_namespace_node *node; /* Containing namespace node */
+ union acpi_operand_object *handler; /* Handler for region access */
union acpi_operand_object *next;
- u32 length;
acpi_physical_address address;
+ u32 length;
+};
+
+struct acpi_object_method {
+ ACPI_OBJECT_COMMON_HEADER u8 method_flags;
+ u8 param_count;
+ u8 concurrency;
+ void *semaphore;
+ u8 *aml_start;
+ ACPI_INTERNAL_METHOD implementation;
+ u32 aml_length;
+ u8 thread_count;
+ acpi_owner_id owner_id;
};
/******************************************************************************
@@ -199,6 +181,14 @@ struct acpi_object_region {
*
*****************************************************************************/
+/*
+ * Common fields for objects that support ASL notifications
+ */
+#define ACPI_COMMON_NOTIFY_INFO \
+ union acpi_operand_object *system_notify; /* Handler for system notifies */\
+ union acpi_operand_object *device_notify; /* Handler for driver notifies */\
+ union acpi_operand_object *handler; /* Handler for Address space */
+
struct acpi_object_notify_common { /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
@@ -213,9 +203,9 @@ struct acpi_object_power_resource {
};
struct acpi_object_processor {
- ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO u32 proc_id;
- u32 length;
- acpi_io_address address;
+ ACPI_OBJECT_COMMON_HEADER u8 proc_id;
+ u8 length;
+ ACPI_COMMON_NOTIFY_INFO acpi_io_address address;
};
struct acpi_object_thermal_zone {
@@ -227,9 +217,24 @@ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
*
*****************************************************************************/
+/*
+ * Common bitfield for the field objects
+ * "Field Datum" -- a datum from the actual field object
+ * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field
+ */
+#define ACPI_COMMON_FIELD_INFO \
+ u8 field_flags; /* Access, update, and lock bits */\
+ u8 attribute; /* From access_as keyword */\
+ u8 access_byte_width; /* Read/Write size in bytes */\
+ struct acpi_namespace_node *node; /* Link back to parent node */\
+ u32 bit_length; /* Length of field in bits */\
+ u32 base_byte_offset; /* Byte offset within containing object */\
+ u32 value; /* Value to store into the Bank or Index register */\
+ u8 start_field_bit_offset;/* Bit offset within first field datum (0-63) */\
+ u8 access_bit_width; /* Read/Write size in bits (8-64) */
+
struct acpi_object_field_common { /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
- ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj; /* Containing Operation Region object */
- /* (REGION/BANK fields only) */
+ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj; /* Parent Operation Region object (REGION/BANK fields only) */
};
struct acpi_object_region_field {
@@ -244,7 +249,7 @@ struct acpi_object_bank_field {
struct acpi_object_index_field {
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO
/*
- * No "region_obj" pointer needed since the Index and Data registers
+ * No "RegionObj" pointer needed since the Index and Data registers
* are each field definitions unto themselves.
*/
union acpi_operand_object *index_obj; /* Index register */
@@ -269,13 +274,9 @@ struct acpi_object_notify_handler {
void *context;
};
-/* Flags for address handler */
-
-#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x1
-
struct acpi_object_addr_handler {
ACPI_OBJECT_COMMON_HEADER u8 space_id;
- u16 hflags;
+ u8 handler_flags;
acpi_adr_space_handler handler;
struct acpi_namespace_node *node; /* Parent device */
void *context;
@@ -284,6 +285,10 @@ struct acpi_object_addr_handler {
union acpi_operand_object *next;
};
+/* Flags for address handler (handler_flags) */
+
+#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x01
+
/******************************************************************************
*
* Special internal objects
@@ -297,10 +302,10 @@ struct acpi_object_addr_handler {
struct acpi_object_reference {
ACPI_OBJECT_COMMON_HEADER u8 target_type; /* Used for index_op */
u16 opcode;
- u32 offset; /* Used for arg_op, local_op, and index_op */
- void *object; /* name_op=>HANDLE to obj, index_op=>union acpi_operand_object */
+ void *object; /* name_op=>HANDLE to obj, index_op=>union acpi_operand_object */
struct acpi_namespace_node *node;
union acpi_operand_object **where;
+ u32 offset; /* Used for arg_op, local_op, and index_op */
};
/*
@@ -311,12 +316,10 @@ struct acpi_object_reference {
* Currently: Region and field_unit types
*/
struct acpi_object_extra {
- ACPI_OBJECT_COMMON_HEADER u8 byte_fill1;
- u16 word_fill1;
- u32 aml_length;
- u8 *aml_start;
- struct acpi_namespace_node *method_REG; /* _REG method for this region (if any) */
+ ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *method_REG; /* _REG method for this region (if any) */
void *region_context; /* Region-specific data */
+ u8 *aml_start;
+ u32 aml_length;
};
/* Additional data that can be attached to namespace nodes */
@@ -391,8 +394,13 @@ union acpi_operand_object {
#define ACPI_DESC_TYPE_NAMED 0x0F
#define ACPI_DESC_TYPE_MAX 0x0F
+struct acpi_common_descriptor {
+ void *common_pointer;
+ u8 descriptor_type; /* To differentiate various internal objs */
+};
+
union acpi_descriptor {
- u8 descriptor_id; /* To differentiate various internal objs */
+ struct acpi_common_descriptor common;
union acpi_operand_object object;
struct acpi_namespace_node node;
union acpi_parse_object op;
diff --git a/include/acpi/acopcode.h b/include/acpi/acopcode.h
index e6d78bd9e90a..7659a46bc432 100644
--- a/include/acpi/acopcode.h
+++ b/include/acpi/acopcode.h
@@ -94,7 +94,7 @@
#define ARGP_CONCAT_RES_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
#define ARGP_COND_REF_OF_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_SUPERNAME)
#define ARGP_CONTINUE_OP ARG_NONE
-#define ARGP_COPY_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_SIMPLENAME)
+#define ARGP_COPY_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_SIMPLENAME)
#define ARGP_CREATE_BIT_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME)
#define ARGP_CREATE_BYTE_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME)
#define ARGP_CREATE_DWORD_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME)
diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index 7785d481dc3e..8d5039d0b430 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -50,7 +50,7 @@
* component basis and a per-exception-type basis.
*/
-/* Component IDs are used in the global "debug_layer" */
+/* Component IDs are used in the global "DebugLayer" */
#define ACPI_UTILITIES 0x00000001
#define ACPI_HARDWARE 0x00000002
@@ -121,7 +121,7 @@
#define ACPI_LV_INTERRUPTS 0x08000000
#define ACPI_LV_VERBOSITY3 0x0F000000 | ACPI_LV_VERBOSITY2
-/* Exceptionally verbose output -- also used in the global "debug_level" */
+/* Exceptionally verbose output -- also used in the global "DebugLevel" */
#define ACPI_LV_AML_DISASSEMBLE 0x10000000
#define ACPI_LV_VERBOSE_INFO 0x20000000
@@ -135,7 +135,7 @@
*/
#define ACPI_DEBUG_LEVEL(dl) (u32) dl,ACPI_DEBUG_PARAMETERS
-/* Exception level -- used in the global "debug_level" */
+/* Exception level -- used in the global "DebugLevel" */
#define ACPI_DB_INIT ACPI_DEBUG_LEVEL (ACPI_LV_INIT)
#define ACPI_DB_DEBUG_OBJECT ACPI_DEBUG_LEVEL (ACPI_LV_DEBUG_OBJECT)
@@ -144,13 +144,13 @@
/*
* These two levels are essentially obsolete, all instances in the
- * ACPICA core code have been replaced by REPORT_ERROR and REPORT_WARNING
+ * ACPICA core code have been replaced by ACPI_ERROR and ACPI_WARNING
* (Kept here because some drivers may still use them)
*/
#define ACPI_DB_ERROR ACPI_DEBUG_LEVEL (ACPI_LV_ERROR)
#define ACPI_DB_WARN ACPI_DEBUG_LEVEL (ACPI_LV_WARN)
-/* Trace level -- also used in the global "debug_level" */
+/* Trace level -- also used in the global "DebugLevel" */
#define ACPI_DB_INIT_NAMES ACPI_DEBUG_LEVEL (ACPI_LV_INIT_NAMES)
#define ACPI_DB_THREADS ACPI_DEBUG_LEVEL (ACPI_LV_THREADS)
diff --git a/include/acpi/acparser.h b/include/acpi/acparser.h
index 5a1ff484af33..9d49d3c41cd9 100644
--- a/include/acpi/acparser.h
+++ b/include/acpi/acparser.h
@@ -46,7 +46,7 @@
#define OP_HAS_RETURN_VALUE 1
-/* variable # arguments */
+/* Variable number of arguments. This field must be 32 bits */
#define ACPI_VAR_ARGS ACPI_UINT32_MAX
@@ -71,7 +71,7 @@
/*
* psxface - Parser external interfaces
*/
-acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info);
+acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info);
/*
* psargs - Parse AML opcode arguments
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 6dca3d542080..a2b3e390a503 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -26,7 +26,7 @@
#ifndef __ACPI_BUS_H__
#define __ACPI_BUS_H__
-#include <linux/kobject.h>
+#include <linux/device.h>
#include <acpi/acpi.h>
@@ -59,7 +59,7 @@ acpi_evaluate_reference(acpi_handle handle,
#define ACPI_BUS_FILE_ROOT "acpi"
extern struct proc_dir_entry *acpi_root_dir;
-extern FADT_DESCRIPTOR acpi_fadt;
+extern struct fadt_descriptor acpi_fadt;
enum acpi_bus_removal_type {
ACPI_BUS_REMOVAL_NORMAL = 0,
@@ -169,7 +169,8 @@ struct acpi_device_flags {
u32 power_manageable:1;
u32 performance_manageable:1;
u32 wake_capable:1; /* Wakeup(_PRW) supported? */
- u32 reserved:20;
+ u32 force_power_state:1;
+ u32 reserved:19;
};
/* File System */
@@ -296,6 +297,7 @@ struct acpi_device {
struct acpi_driver *driver;
void *driver_data;
struct kobject kobj;
+ struct device dev;
};
#define acpi_driver_data(d) ((d)->driver_data)
@@ -327,7 +329,7 @@ int acpi_bus_set_power(acpi_handle handle, int state);
int acpi_bus_generate_event(struct acpi_device *device, u8 type, int data);
int acpi_bus_receive_event(struct acpi_bus_event *event);
int acpi_bus_register_driver(struct acpi_driver *driver);
-int acpi_bus_unregister_driver(struct acpi_driver *driver);
+void acpi_bus_unregister_driver(struct acpi_driver *driver);
int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent,
acpi_handle handle, int type);
int acpi_bus_trim(struct acpi_device *start, int rmdevice);
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index 970e9a6372c3..8f473c83b7c4 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -50,12 +50,16 @@
#include "platform/acenv.h"
#include "actypes.h"
-/* Priorities for acpi_os_queue_for_execution */
+/* Types for acpi_os_execute */
-#define OSD_PRIORITY_GPE 1
-#define OSD_PRIORITY_HIGH 2
-#define OSD_PRIORITY_MED 3
-#define OSD_PRIORITY_LO 4
+typedef enum {
+ OSL_GLOBAL_LOCK_HANDLER,
+ OSL_NOTIFY_HANDLER,
+ OSL_GPE_HANDLER,
+ OSL_DEBUGGER_THREAD,
+ OSL_EC_POLL_HANDLER,
+ OSL_EC_BURST_HANDLER
+} acpi_execute_type;
#define ACPI_NO_UNIT_LIMIT ((u32) -1)
#define ACPI_MUTEX_SEM 1
@@ -161,13 +165,11 @@ acpi_os_remove_interrupt_handler(u32 gsi, acpi_osd_handler service_routine);
/*
* Threads and Scheduling
*/
-u32 acpi_os_get_thread_id(void);
+acpi_thread_id acpi_os_get_thread_id(void);
acpi_status
-acpi_os_queue_for_execution(u32 priority,
- acpi_osd_exec_callback function, void *context);
-
-void acpi_os_wait_events_complete(void *context);
+acpi_os_execute(acpi_execute_type type,
+ acpi_osd_exec_callback function, void *context);
void acpi_os_wait_events_complete(void *context);
@@ -214,6 +216,12 @@ acpi_os_derive_pci_id(acpi_handle rhandle,
/*
* Miscellaneous
*/
+acpi_status acpi_os_validate_interface(char *interface);
+
+acpi_status
+acpi_os_validate_address(u8 space_id,
+ acpi_physical_address address, acpi_size length);
+
u8 acpi_os_readable(void *pointer, acpi_size length);
#ifdef ACPI_FUTURE_USAGE
@@ -255,11 +263,4 @@ char *acpi_os_get_next_filename(void *dir_handle);
void acpi_os_close_directory(void *dir_handle);
-/*
- * Debug
- */
-void
-acpi_os_dbg_assert(void *failed_assertion,
- void *file_name, u32 line_number, char *message);
-
#endif /* __ACPIOSXF_H__ */
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 66cf2ecef57a..049e9aa1b867 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -268,7 +268,7 @@ acpi_status acpi_remove_gpe_block(acpi_handle gpe_device);
* Resource interfaces
*/
typedef
-acpi_status(*ACPI_WALK_RESOURCE_CALLBACK) (struct acpi_resource * resource,
+acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
void *context);
acpi_status
@@ -290,7 +290,7 @@ acpi_get_possible_resources(acpi_handle device_handle,
acpi_status
acpi_walk_resources(acpi_handle device_handle,
char *name,
- ACPI_WALK_RESOURCE_CALLBACK user_function, void *context);
+ acpi_walk_resource_callback user_function, void *context);
acpi_status
acpi_set_current_resources(acpi_handle device_handle,
diff --git a/include/acpi/acresrc.h b/include/acpi/acresrc.h
index fa02e8083381..ad11fc13fbef 100644
--- a/include/acpi/acresrc.h
+++ b/include/acpi/acresrc.h
@@ -164,23 +164,26 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
/*
* rsutils
*/
+
acpi_status
-acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer);
+acpi_rs_get_prt_method_data(struct acpi_namespace_node *node,
+ struct acpi_buffer *ret_buffer);
acpi_status
-acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer);
+acpi_rs_get_crs_method_data(struct acpi_namespace_node *node,
+ struct acpi_buffer *ret_buffer);
-#ifdef ACPI_FUTURE_USAGE
acpi_status
-acpi_rs_get_prs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer);
-#endif /* ACPI_FUTURE_USAGE */
+acpi_rs_get_prs_method_data(struct acpi_namespace_node *node,
+ struct acpi_buffer *ret_buffer);
acpi_status
acpi_rs_get_method_data(acpi_handle handle,
char *path, struct acpi_buffer *ret_buffer);
acpi_status
-acpi_rs_set_srs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer);
+acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
+ struct acpi_buffer *ret_buffer);
/*
* rscalc
@@ -198,8 +201,9 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
acpi_size * buffer_size_needed);
acpi_status
-acpi_rs_convert_aml_to_resources(u8 * aml_buffer,
- u32 aml_buffer_length, u8 * output_buffer);
+acpi_rs_convert_aml_to_resources(u8 * aml,
+ u32 length,
+ u32 offset, u8 resource_index, void **context);
acpi_status
acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
diff --git a/include/acpi/acstruct.h b/include/acpi/acstruct.h
index d8c1c2cdac0c..5e8095f0f78f 100644
--- a/include/acpi/acstruct.h
+++ b/include/acpi/acstruct.h
@@ -44,6 +44,8 @@
#ifndef __ACSTRUCT_H__
#define __ACSTRUCT_H__
+/* acpisrc:struct_defs -- for acpisrc conversion */
+
/*****************************************************************************
*
* Tree walking typedefs and structs
@@ -51,67 +53,76 @@
****************************************************************************/
/*
- * Walk state - current state of a parse tree walk. Used for both a leisurely stroll through
- * the tree (for whatever reason), and for control method execution.
+ * Walk state - current state of a parse tree walk. Used for both a leisurely
+ * stroll through the tree (for whatever reason), and for control method
+ * execution.
*/
#define ACPI_NEXT_OP_DOWNWARD 1
#define ACPI_NEXT_OP_UPWARD 2
+/*
+ * Groups of definitions for walk_type used for different implementations of
+ * walkers (never simultaneously) - flags for interpreter:
+ */
#define ACPI_WALK_NON_METHOD 0
-#define ACPI_WALK_METHOD 1
-#define ACPI_WALK_METHOD_RESTART 2
-#define ACPI_WALK_CONST_REQUIRED 3
-#define ACPI_WALK_CONST_OPTIONAL 4
+#define ACPI_WALK_METHOD 0x01
+#define ACPI_WALK_METHOD_RESTART 0x02
+
+/* Flags for i_aSL compiler only */
+
+#define ACPI_WALK_CONST_REQUIRED 0x10
+#define ACPI_WALK_CONST_OPTIONAL 0x20
struct acpi_walk_state {
- u8 data_type; /* To differentiate various internal objs MUST BE FIRST! */
+ struct acpi_walk_state *next; /* Next walk_state in list */
+ u8 descriptor_type; /* To differentiate various internal objs */
u8 walk_type;
- acpi_owner_id owner_id; /* Owner of objects created during the walk */
- u8 last_predicate; /* Result of last predicate */
- u8 current_result; /* */
+ u16 opcode; /* Current AML opcode */
u8 next_op_info; /* Info about next_op */
u8 num_operands; /* Stack pointer for Operands[] array */
+ acpi_owner_id owner_id; /* Owner of objects created during the walk */
+ u8 last_predicate; /* Result of last predicate */
+ u8 current_result;
u8 return_used;
- u16 opcode; /* Current AML opcode */
u8 scope_depth;
u8 pass_number; /* Parse pass during table load */
- u32 arg_count; /* push for fixed or var args */
u32 aml_offset;
u32 arg_types;
u32 method_breakpoint; /* For single stepping */
u32 user_breakpoint; /* User AML breakpoint */
u32 parse_flags;
+
+ struct acpi_parse_state parser_state; /* Current state of parser */
u32 prev_arg_types;
+ u32 arg_count; /* push for fixed or var args */
- u8 *aml_last_while;
struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */
+ struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */
+ union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS + 1]; /* Operands passed to the interpreter (+1 for NULL terminator) */
+ union acpi_operand_object **params;
+
+ u8 *aml_last_while;
union acpi_operand_object **caller_return_desc;
union acpi_generic_state *control_state; /* List of control states (nested IFs) */
struct acpi_namespace_node *deferred_node; /* Used when executing deferred opcodes */
struct acpi_gpe_event_info *gpe_event_info; /* Info for GPE (_Lxx/_Exx methods only */
union acpi_operand_object *implicit_return_obj;
- struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */
struct acpi_namespace_node *method_call_node; /* Called method Node */
union acpi_parse_object *method_call_op; /* method_call Op if running a method */
union acpi_operand_object *method_desc; /* Method descriptor if running a method */
struct acpi_namespace_node *method_node; /* Method node if running a method. */
union acpi_parse_object *op; /* Current parser op */
- union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS + 1]; /* Operands passed to the interpreter (+1 for NULL terminator) */
const struct acpi_opcode_info *op_info; /* Info on current opcode */
union acpi_parse_object *origin; /* Start of walk [Obsolete] */
- union acpi_operand_object **params;
- struct acpi_parse_state parser_state; /* Current state of parser */
union acpi_operand_object *result_obj;
union acpi_generic_state *results; /* Stack of accumulated results */
union acpi_operand_object *return_desc; /* Return object, if any */
union acpi_generic_state *scope_info; /* Stack of nested scopes */
-
union acpi_parse_object *prev_op; /* Last op that was processed */
union acpi_parse_object *next_op; /* next op to be processed */
+ struct acpi_thread_state *thread;
acpi_parse_downwards descending_callback;
acpi_parse_upwards ascending_callback;
- struct acpi_thread_state *thread;
- struct acpi_walk_state *next; /* Next walk_state in list */
};
/* Info used by acpi_ps_init_objects */
@@ -131,32 +142,6 @@ struct acpi_init_walk_info {
struct acpi_table_desc *table_desc;
};
-/* Info used by acpi_ns_initialize_devices */
-
-struct acpi_device_walk_info {
- u16 device_count;
- u16 num_STA;
- u16 num_INI;
- struct acpi_table_desc *table_desc;
-};
-
-/* TBD: [Restructure] Merge with struct above */
-
-struct acpi_walk_info {
- u32 debug_level;
- u32 count;
- acpi_owner_id owner_id;
- u8 display_type;
-};
-
-/* Display Types */
-
-#define ACPI_DISPLAY_SUMMARY (u8) 0
-#define ACPI_DISPLAY_OBJECTS (u8) 1
-#define ACPI_DISPLAY_MASK (u8) 1
-
-#define ACPI_DISPLAY_SHORT (u8) 2
-
struct acpi_get_devices_info {
acpi_walk_callback user_function;
void *context;
@@ -189,16 +174,21 @@ union acpi_aml_operands {
} mid;
};
-/* Internal method parameter list */
-
-struct acpi_parameter_info {
- struct acpi_namespace_node *node;
+/*
+ * Structure used to pass object evaluation parameters.
+ * Purpose is to reduce CPU stack use.
+ */
+struct acpi_evaluate_info {
+ struct acpi_namespace_node *prefix_node;
+ char *pathname;
union acpi_operand_object *obj_desc;
union acpi_operand_object **parameters;
+ struct acpi_namespace_node *resolved_node;
union acpi_operand_object *return_object;
u8 pass_number;
u8 parameter_type;
u8 return_object_type;
+ u8 flags;
};
/* Types for parameter_type above */
@@ -206,4 +196,35 @@ struct acpi_parameter_info {
#define ACPI_PARAM_ARGS 0
#define ACPI_PARAM_GPE 1
+/* Values for Flags above */
+
+#define ACPI_IGNORE_RETURN_VALUE 1
+
+/* Info used by acpi_ns_initialize_devices */
+
+struct acpi_device_walk_info {
+ u16 device_count;
+ u16 num_STA;
+ u16 num_INI;
+ struct acpi_table_desc *table_desc;
+ struct acpi_evaluate_info *evaluate_info;
+};
+
+/* TBD: [Restructure] Merge with struct above */
+
+struct acpi_walk_info {
+ u32 debug_level;
+ u32 count;
+ acpi_owner_id owner_id;
+ u8 display_type;
+};
+
+/* Display Types */
+
+#define ACPI_DISPLAY_SUMMARY (u8) 0
+#define ACPI_DISPLAY_OBJECTS (u8) 1
+#define ACPI_DISPLAY_MASK (u8) 1
+
+#define ACPI_DISPLAY_SHORT (u8) 2
+
#endif
diff --git a/include/acpi/actables.h b/include/acpi/actables.h
index 30a47542e1c8..4dbaf02fe526 100644
--- a/include/acpi/actables.h
+++ b/include/acpi/actables.h
@@ -136,7 +136,11 @@ acpi_status acpi_tb_is_table_installed(struct acpi_table_desc *new_table_desc);
acpi_status
acpi_tb_verify_table_checksum(struct acpi_table_header *table_header);
-u8 acpi_tb_generate_checksum(void *buffer, u32 length);
+u8 acpi_tb_sum_table(void *buffer, u32 length);
+
+u8 acpi_tb_generate_checksum(struct acpi_table_header *table);
+
+void acpi_tb_set_checksum(struct acpi_table_header *table);
acpi_status
acpi_tb_validate_table_header(struct acpi_table_header *table_header);
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index ed53f842dad4..b125ceed9cb7 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -1,6 +1,6 @@
/******************************************************************************
*
- * Name: actbl.h - Table data structures defined in ACPI specification
+ * Name: actbl.h - Basic ACPI Table Definitions
*
*****************************************************************************/
@@ -45,66 +45,45 @@
#define __ACTBL_H__
/*
- * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
- * This is the only type that is even remotely portable. Anything else is not
- * portable, so do not use any other bitfield types.
- */
-
-/*
- * Values for description table header signatures
+ * Values for description table header signatures. Useful because they make
+ * it more difficult to inadvertently type in the wrong signature.
*/
-#define RSDP_NAME "RSDP"
-#define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
-#define APIC_SIG "APIC" /* Multiple APIC Description Table */
#define DSDT_SIG "DSDT" /* Differentiated System Description Table */
#define FADT_SIG "FACP" /* Fixed ACPI Description Table */
#define FACS_SIG "FACS" /* Firmware ACPI Control Structure */
#define PSDT_SIG "PSDT" /* Persistent System Description Table */
+#define RSDP_SIG "RSD PTR " /* Root System Description Pointer */
#define RSDT_SIG "RSDT" /* Root System Description Table */
#define XSDT_SIG "XSDT" /* Extended System Description Table */
#define SSDT_SIG "SSDT" /* Secondary System Description Table */
-#define SBST_SIG "SBST" /* Smart Battery Specification Table */
-#define SPIC_SIG "SPIC" /* IOSAPIC table */
-#define BOOT_SIG "BOOT" /* Boot table */
-
-#define GL_OWNED 0x02 /* Ownership of global lock is bit 1 */
+#define RSDP_NAME "RSDP"
/*
- * Common table types. The base code can remain
- * constant if the underlying tables are changed
+ * All tables and structures must be byte-packed to match the ACPI
+ * specification, since the tables are provided by the system BIOS
*/
-#define RSDT_DESCRIPTOR struct rsdt_descriptor_rev2
-#define XSDT_DESCRIPTOR struct xsdt_descriptor_rev2
-#define FACS_DESCRIPTOR struct facs_descriptor_rev2
-#define FADT_DESCRIPTOR struct fadt_descriptor_rev2
-
#pragma pack(1)
/*
- * ACPI Version-independent tables
+ * These are the ACPI tables that are directly consumed by the subsystem.
+ *
+ * The RSDP and FACS do not use the common ACPI table header. All other ACPI
+ * tables use the header.
*
- * NOTE: The tables that are specific to ACPI versions (1.0, 2.0, etc.)
- * are in separate files.
+ * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
+ * This is the only type that is even remotely portable. Anything else is not
+ * portable, so do not use any other bitfield types.
*/
-struct rsdp_descriptor { /* Root System Descriptor Pointer */
- char signature[8]; /* ACPI signature, contains "RSD PTR " */
- u8 checksum; /* ACPI 1.0 checksum */
- char oem_id[6]; /* OEM identification */
- u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
- u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */
- u32 length; /* XSDT Length in bytes, including header */
- u64 xsdt_physical_address; /* 64-bit physical address of the XSDT */
- u8 extended_checksum; /* Checksum of entire table (ACPI 2.0) */
- char reserved[3]; /* Reserved, must be zero */
-};
-struct acpi_common_facs { /* Common FACS for internal use */
- u32 *global_lock;
- u64 *firmware_waking_vector;
- u8 vector_width;
-};
+/*******************************************************************************
+ *
+ * ACPI Table Header. This common header is used by all tables except the
+ * RSDP and FACS. The define is used for direct inclusion of header into
+ * other ACPI tables
+ *
+ ******************************************************************************/
-#define ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \
+#define ACPI_TABLE_HEADER_DEF \
char signature[4]; /* ASCII table signature */\
u32 length; /* Length of table in bytes, including this header */\
u8 revision; /* ACPI Specification minor version # */\
@@ -112,154 +91,239 @@ struct acpi_common_facs { /* Common FACS for internal use */
char oem_id[6]; /* ASCII OEM identification */\
char oem_table_id[8]; /* ASCII OEM table identification */\
u32 oem_revision; /* OEM revision number */\
- char asl_compiler_id [4]; /* ASCII ASL compiler vendor ID */\
+ char asl_compiler_id[4]; /* ASCII ASL compiler vendor ID */\
u32 asl_compiler_revision; /* ASL compiler version */
-struct acpi_table_header { /* ACPI common table header */
+struct acpi_table_header {
ACPI_TABLE_HEADER_DEF};
/*
- * MADT values and structures
+ * GAS - Generic Address Structure (ACPI 2.0+)
*/
+struct acpi_generic_address {
+ u8 address_space_id; /* Address space where struct or register exists */
+ u8 register_bit_width; /* Size in bits of given register */
+ u8 register_bit_offset; /* Bit offset within the register */
+ u8 access_width; /* Minimum Access size (ACPI 3.0) */
+ u64 address; /* 64-bit address of struct or register */
+};
-/* Values for MADT PCATCompat */
+/*******************************************************************************
+ *
+ * RSDP - Root System Description Pointer (Signature is "RSD PTR ")
+ *
+ ******************************************************************************/
+
+struct rsdp_descriptor {
+ char signature[8]; /* ACPI signature, contains "RSD PTR " */
+ u8 checksum; /* ACPI 1.0 checksum */
+ char oem_id[6]; /* OEM identification */
+ u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
+ u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */
+ u32 length; /* Table length in bytes, including header (ACPI 2.0+) */
+ u64 xsdt_physical_address; /* 64-bit physical address of the XSDT (ACPI 2.0+) */
+ u8 extended_checksum; /* Checksum of entire table (ACPI 2.0+) */
+ u8 reserved[3]; /* Reserved, must be zero */
+};
-#define DUAL_PIC 0
-#define MULTIPLE_APIC 1
+#define ACPI_RSDP_REV0_SIZE 20 /* Size of original ACPI 1.0 RSDP */
-/* Master MADT */
+/*******************************************************************************
+ *
+ * RSDT/XSDT - Root System Description Tables
+ *
+ ******************************************************************************/
-struct multiple_apic_table {
- ACPI_TABLE_HEADER_DEF /* ACPI common table header */
- u32 local_apic_address; /* Physical address of local APIC */
+struct rsdt_descriptor {
+ ACPI_TABLE_HEADER_DEF u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */
+};
+
+struct xsdt_descriptor {
+ ACPI_TABLE_HEADER_DEF u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */
+};
+
+/*******************************************************************************
+ *
+ * FACS - Firmware ACPI Control Structure (FACS)
+ *
+ ******************************************************************************/
+
+struct facs_descriptor {
+ char signature[4]; /* ASCII table signature */
+ u32 length; /* Length of structure, in bytes */
+ u32 hardware_signature; /* Hardware configuration signature */
+ u32 firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector */
+ u32 global_lock; /* Global Lock for shared hardware resources */
/* Flags (32 bits) */
- u8 PCATcompat:1; /* 00: System also has dual 8259s */
+ u8 S4bios_f:1; /* 00: S4BIOS support is present */
u8:7; /* 01-07: Reserved, must be zero */
u8 reserved1[3]; /* 08-31: Reserved, must be zero */
-};
-/* Values for Type in APIC_HEADER_DEF */
+ u64 xfirmware_waking_vector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
+ u8 version; /* Version of this table (ACPI 2.0+) */
+ u8 reserved[31]; /* Reserved, must be zero */
+};
-#define APIC_PROCESSOR 0
-#define APIC_IO 1
-#define APIC_XRUPT_OVERRIDE 2
-#define APIC_NMI 3
-#define APIC_LOCAL_NMI 4
-#define APIC_ADDRESS_OVERRIDE 5
-#define APIC_IO_SAPIC 6
-#define APIC_LOCAL_SAPIC 7
-#define APIC_XRUPT_SOURCE 8
-#define APIC_RESERVED 9 /* 9 and greater are reserved */
+#define ACPI_GLOCK_PENDING 0x01 /* 00: Pending global lock ownership */
+#define ACPI_GLOCK_OWNED 0x02 /* 01: Global lock is owned */
/*
- * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
+ * Common FACS - This is a version-independent FACS structure used for internal use only
*/
-#define APIC_HEADER_DEF /* Common APIC sub-structure header */\
- u8 type; \
- u8 length;
-
-struct apic_header {
-APIC_HEADER_DEF};
-
-/* Values for MPS INTI flags */
-
-#define POLARITY_CONFORMS 0
-#define POLARITY_ACTIVE_HIGH 1
-#define POLARITY_RESERVED 2
-#define POLARITY_ACTIVE_LOW 3
-
-#define TRIGGER_CONFORMS 0
-#define TRIGGER_EDGE 1
-#define TRIGGER_RESERVED 2
-#define TRIGGER_LEVEL 3
-
-/* Common flag definitions (16 bits each) */
-
-#define MPS_INTI_FLAGS \
- u8 polarity : 2; /* 00-01: Polarity of APIC I/O input signals */\
- u8 trigger_mode : 2; /* 02-03: Trigger mode of APIC input signals */\
- u8 : 4; /* 04-07: Reserved, must be zero */\
- u8 reserved1; /* 08-15: Reserved, must be zero */
-
-#define LOCAL_APIC_FLAGS \
- u8 processor_enabled: 1; /* 00: Processor is usable if set */\
- u8 : 7; /* 01-07: Reserved, must be zero */\
- u8 reserved2; /* 08-15: Reserved, must be zero */
-
-/* Sub-structures for MADT */
-
-struct madt_processor_apic {
- APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */
- u8 local_apic_id; /* Processor's local APIC id */
- LOCAL_APIC_FLAGS};
-
-struct madt_io_apic {
- APIC_HEADER_DEF u8 io_apic_id; /* I/O APIC ID */
- u8 reserved; /* Reserved - must be zero */
- u32 address; /* APIC physical address */
- u32 interrupt; /* Global system interrupt where INTI
- * lines start */
+struct acpi_common_facs {
+ u32 *global_lock;
+ u64 *firmware_waking_vector;
+ u8 vector_width;
};
-struct madt_interrupt_override {
- APIC_HEADER_DEF u8 bus; /* 0 - ISA */
- u8 source; /* Interrupt source (IRQ) */
- u32 interrupt; /* Global system interrupt */
- MPS_INTI_FLAGS};
+/*******************************************************************************
+ *
+ * FADT - Fixed ACPI Description Table (Signature "FACP")
+ *
+ ******************************************************************************/
+
+/* Fields common to all versions of the FADT */
+
+#define ACPI_FADT_COMMON \
+ ACPI_TABLE_HEADER_DEF \
+ u32 V1_firmware_ctrl; /* 32-bit physical address of FACS */ \
+ u32 V1_dsdt; /* 32-bit physical address of DSDT */ \
+ u8 reserved1; /* System Interrupt Model isn't used in ACPI 2.0*/ \
+ u8 prefer_PM_profile; /* Conveys preferred power management profile to OSPM. */ \
+ u16 sci_int; /* System vector of SCI interrupt */ \
+ u32 smi_cmd; /* Port address of SMI command port */ \
+ u8 acpi_enable; /* Value to write to smi_cmd to enable ACPI */ \
+ u8 acpi_disable; /* Value to write to smi_cmd to disable ACPI */ \
+ u8 S4bios_req; /* Value to write to SMI CMD to enter S4BIOS state */ \
+ u8 pstate_cnt; /* Processor performance state control*/ \
+ u32 V1_pm1a_evt_blk; /* Port address of Power Mgt 1a Event Reg Blk */ \
+ u32 V1_pm1b_evt_blk; /* Port address of Power Mgt 1b Event Reg Blk */ \
+ u32 V1_pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */ \
+ u32 V1_pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */ \
+ u32 V1_pm2_cnt_blk; /* Port address of Power Mgt 2 Control Reg Blk */ \
+ u32 V1_pm_tmr_blk; /* Port address of Power Mgt Timer Ctrl Reg Blk */ \
+ u32 V1_gpe0_blk; /* Port addr of General Purpose acpi_event 0 Reg Blk */ \
+ u32 V1_gpe1_blk; /* Port addr of General Purpose acpi_event 1 Reg Blk */ \
+ u8 pm1_evt_len; /* Byte Length of ports at pm1_x_evt_blk */ \
+ u8 pm1_cnt_len; /* Byte Length of ports at pm1_x_cnt_blk */ \
+ u8 pm2_cnt_len; /* Byte Length of ports at pm2_cnt_blk */ \
+ u8 pm_tm_len; /* Byte Length of ports at pm_tm_blk */ \
+ u8 gpe0_blk_len; /* Byte Length of ports at gpe0_blk */ \
+ u8 gpe1_blk_len; /* Byte Length of ports at gpe1_blk */ \
+ u8 gpe1_base; /* Offset in gpe model where gpe1 events start */ \
+ u8 cst_cnt; /* Support for the _CST object and C States change notification.*/ \
+ u16 plvl2_lat; /* Worst case HW latency to enter/exit C2 state */ \
+ u16 plvl3_lat; /* Worst case HW latency to enter/exit C3 state */ \
+ u16 flush_size; /* Processor's memory cache line width, in bytes */ \
+ u16 flush_stride; /* Number of flush strides that need to be read */ \
+ u8 duty_offset; /* Processor's duty cycle index in processor's P_CNT reg*/ \
+ u8 duty_width; /* Processor's duty cycle value bit width in P_CNT register.*/ \
+ u8 day_alrm; /* Index to day-of-month alarm in RTC CMOS RAM */ \
+ u8 mon_alrm; /* Index to month-of-year alarm in RTC CMOS RAM */ \
+ u8 century; /* Index to century in RTC CMOS RAM */ \
+ u16 iapc_boot_arch; /* IA-PC Boot Architecture Flags. See Table 5-10 for description*/ \
+ u8 reserved2; /* Reserved, must be zero */
-struct madt_nmi_source {
- APIC_HEADER_DEF MPS_INTI_FLAGS u32 interrupt; /* Global system interrupt */
+/*
+ * ACPI 2.0+ FADT
+ */
+struct fadt_descriptor {
+ ACPI_FADT_COMMON
+ /* Flags (32 bits) */
+ u8 wb_invd:1; /* 00: The wbinvd instruction works properly */
+ u8 wb_invd_flush:1; /* 01: The wbinvd flushes but does not invalidate */
+ u8 proc_c1:1; /* 02: All processors support C1 state */
+ u8 plvl2_up:1; /* 03: C2 state works on MP system */
+ u8 pwr_button:1; /* 04: Power button is handled as a generic feature */
+ u8 sleep_button:1; /* 05: Sleep button is handled as a generic feature, or not present */
+ u8 fixed_rTC:1; /* 06: RTC wakeup stat not in fixed register space */
+ u8 rtcs4:1; /* 07: RTC wakeup stat not possible from S4 */
+ u8 tmr_val_ext:1; /* 08: tmr_val is 32 bits 0=24-bits */
+ u8 dock_cap:1; /* 09: Docking supported */
+ u8 reset_reg_sup:1; /* 10: System reset via the FADT RESET_REG supported */
+ u8 sealed_case:1; /* 11: No internal expansion capabilities and case is sealed */
+ u8 headless:1; /* 12: No local video capabilities or local input devices */
+ u8 cpu_sw_sleep:1; /* 13: Must execute native instruction after writing SLP_TYPx register */
+
+ u8 pci_exp_wak:1; /* 14: System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
+ u8 use_platform_clock:1; /* 15: OSPM should use platform-provided timer (ACPI 3.0) */
+ u8 S4rtc_sts_valid:1; /* 16: Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
+ u8 remote_power_on_capable:1; /* 17: System is compatible with remote power on (ACPI 3.0) */
+ u8 force_apic_cluster_model:1; /* 18: All local APICs must use cluster model (ACPI 3.0) */
+ u8 force_apic_physical_destination_mode:1; /* 19: All local x_aPICs must use physical dest mode (ACPI 3.0) */
+ u8:4; /* 20-23: Reserved, must be zero */
+ u8 reserved3; /* 24-31: Reserved, must be zero */
+
+ struct acpi_generic_address reset_register; /* Reset register address in GAS format */
+ u8 reset_value; /* Value to write to the reset_register port to reset the system */
+ u8 reserved4[3]; /* These three bytes must be zero */
+ u64 xfirmware_ctrl; /* 64-bit physical address of FACS */
+ u64 Xdsdt; /* 64-bit physical address of DSDT */
+ struct acpi_generic_address xpm1a_evt_blk; /* Extended Power Mgt 1a acpi_event Reg Blk address */
+ struct acpi_generic_address xpm1b_evt_blk; /* Extended Power Mgt 1b acpi_event Reg Blk address */
+ struct acpi_generic_address xpm1a_cnt_blk; /* Extended Power Mgt 1a Control Reg Blk address */
+ struct acpi_generic_address xpm1b_cnt_blk; /* Extended Power Mgt 1b Control Reg Blk address */
+ struct acpi_generic_address xpm2_cnt_blk; /* Extended Power Mgt 2 Control Reg Blk address */
+ struct acpi_generic_address xpm_tmr_blk; /* Extended Power Mgt Timer Ctrl Reg Blk address */
+ struct acpi_generic_address xgpe0_blk; /* Extended General Purpose acpi_event 0 Reg Blk address */
+ struct acpi_generic_address xgpe1_blk; /* Extended General Purpose acpi_event 1 Reg Blk address */
};
-struct madt_local_apic_nmi {
- APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */
- MPS_INTI_FLAGS u8 lint; /* LINTn to which NMI is connected */
+/*
+ * "Down-revved" ACPI 2.0 FADT descriptor
+ * Defined here to allow compiler to generate the length of the struct
+ */
+struct fadt_descriptor_rev2_minus {
+ ACPI_FADT_COMMON u32 flags;
+ struct acpi_generic_address reset_register; /* Reset register address in GAS format */
+ u8 reset_value; /* Value to write to the reset_register port to reset the system. */
+ u8 reserved7[3]; /* Reserved, must be zero */
};
-struct madt_address_override {
- APIC_HEADER_DEF u16 reserved; /* Reserved, must be zero */
- u64 address; /* APIC physical address */
+/*
+ * ACPI 1.0 FADT
+ * Defined here to allow compiler to generate the length of the struct
+ */
+struct fadt_descriptor_rev1 {
+ ACPI_FADT_COMMON u32 flags;
};
-struct madt_io_sapic {
- APIC_HEADER_DEF u8 io_sapic_id; /* I/O SAPIC ID */
- u8 reserved; /* Reserved, must be zero */
- u32 interrupt_base; /* Glocal interrupt for SAPIC start */
- u64 address; /* SAPIC physical address */
-};
+/* FADT: Prefered Power Management Profiles */
-struct madt_local_sapic {
- APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */
- u8 local_sapic_id; /* SAPIC ID */
- u8 local_sapic_eid; /* SAPIC EID */
- u8 reserved[3]; /* Reserved, must be zero */
- LOCAL_APIC_FLAGS u32 processor_uID; /* Numeric UID - ACPI 3.0 */
- char processor_uIDstring[1]; /* String UID - ACPI 3.0 */
-};
+#define PM_UNSPECIFIED 0
+#define PM_DESKTOP 1
+#define PM_MOBILE 2
+#define PM_WORKSTATION 3
+#define PM_ENTERPRISE_SERVER 4
+#define PM_SOHO_SERVER 5
+#define PM_APPLIANCE_PC 6
-struct madt_interrupt_source {
- APIC_HEADER_DEF MPS_INTI_FLAGS u8 interrupt_type; /* 1=PMI, 2=INIT, 3=corrected */
- u8 processor_id; /* Processor ID */
- u8 processor_eid; /* Processor EID */
- u8 io_sapic_vector; /* Vector value for PMI interrupts */
- u32 interrupt; /* Global system interrupt */
- u32 flags; /* Interrupt Source Flags */
-};
+/* FADT: Boot Arch Flags */
-/*
- * Smart Battery
- */
-struct smart_battery_table {
- ACPI_TABLE_HEADER_DEF u32 warning_level;
- u32 low_level;
- u32 critical_level;
-};
+#define BAF_LEGACY_DEVICES 0x0001
+#define BAF_8042_KEYBOARD_CONTROLLER 0x0002
+
+#define FADT2_REVISION_ID 3
+#define FADT2_MINUS_REVISION_ID 2
+
+/* Reset to default packing */
#pragma pack()
/*
+ * This macro is temporary until the table bitfield flag definitions
+ * are removed and replaced by a Flags field.
+ */
+#define ACPI_FLAG_OFFSET(d,f,o) (u8) (ACPI_OFFSET (d,f) + \
+ sizeof(((d *)0)->f) + o)
+/*
+ * Get the remaining ACPI tables
+ */
+#include "actbl1.h"
+
+/*
* ACPI Table information. We save the table address, length,
* and type of memory allocation (mapped or allocated) for each
* table for 1) when we exit, and 2) if a new table is installed
@@ -290,27 +354,17 @@ struct acpi_table_support {
u8 flags;
};
-/*
- * Get the ACPI version-specific tables
- */
-#include "actbl1.h" /* Acpi 1.0 table definitions */
-#include "actbl2.h" /* Acpi 2.0 table definitions */
-
extern u8 acpi_fadt_is_v1; /* is set to 1 if FADT is revision 1,
* needed for certain workarounds */
+/* Macros used to generate offsets to specific table fields */
-#pragma pack(1)
-/*
- * High performance timer
- */
-struct hpet_table {
- ACPI_TABLE_HEADER_DEF u32 hardware_id;
- struct acpi_generic_address base_address;
- u8 hpet_number;
- u16 clock_tick;
- u8 attributes;
-};
+#define ACPI_FACS_OFFSET(f) (u8) ACPI_OFFSET (struct facs_descriptor,f)
+#define ACPI_FADT_OFFSET(f) (u8) ACPI_OFFSET (struct fadt_descriptor, f)
+#define ACPI_GAS_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_generic_address,f)
+#define ACPI_HDR_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_header,f)
+#define ACPI_RSDP_OFFSET(f) (u8) ACPI_OFFSET (struct rsdp_descriptor,f)
-#pragma pack()
+#define ACPI_FADT_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct fadt_descriptor,f,o)
+#define ACPI_FACS_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct facs_descriptor,f,o)
#endif /* __ACTBL_H__ */
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index cd428d57add0..745a6445a4f9 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -1,6 +1,6 @@
/******************************************************************************
*
- * Name: actbl1.h - ACPI 1.0 tables
+ * Name: actbl1.h - Additional ACPI table definitions
*
*****************************************************************************/
@@ -44,92 +44,599 @@
#ifndef __ACTBL1_H__
#define __ACTBL1_H__
+/*******************************************************************************
+ *
+ * Additional ACPI Tables
+ *
+ * These tables are not consumed directly by the ACPICA subsystem, but are
+ * included here to support device drivers and the AML disassembler.
+ *
+ ******************************************************************************/
+
+/*
+ * Values for description table header signatures. Useful because they make
+ * it more difficult to inadvertently type in the wrong signature.
+ */
+#define ACPI_SIG_ASF "ASF!" /* Alert Standard Format table */
+#define ACPI_SIG_BOOT "BOOT" /* Simple Boot Flag Table */
+#define ACPI_SIG_CPEP "CPEP" /* Corrected Platform Error Polling table */
+#define ACPI_SIG_DBGP "DBGP" /* Debug Port table */
+#define ACPI_SIG_ECDT "ECDT" /* Embedded Controller Boot Resources Table */
+#define ACPI_SIG_HPET "HPET" /* High Precision Event Timer table */
+#define ACPI_SIG_MADT "APIC" /* Multiple APIC Description Table */
+#define ACPI_SIG_MCFG "MCFG" /* PCI Memory Mapped Configuration table */
+#define ACPI_SIG_SBST "SBST" /* Smart Battery Specification Table */
+#define ACPI_SIG_SLIT "SLIT" /* System Locality Distance Information Table */
+#define ACPI_SIG_SPCR "SPCR" /* Serial Port Console Redirection table */
+#define ACPI_SIG_SPMI "SPMI" /* Server Platform Management Interface table */
+#define ACPI_SIG_SRAT "SRAT" /* System Resource Affinity Table */
+#define ACPI_SIG_TCPA "TCPA" /* Trusted Computing Platform Alliance table */
+#define ACPI_SIG_WDRT "WDRT" /* Watchdog Resource Table */
+
+/* Legacy names */
+
+#define APIC_SIG "APIC" /* Multiple APIC Description Table */
+#define BOOT_SIG "BOOT" /* Simple Boot Flag Table */
+#define SBST_SIG "SBST" /* Smart Battery Specification Table */
+
+/*
+ * All tables must be byte-packed to match the ACPI specification, since
+ * the tables are provided by the system BIOS.
+ */
#pragma pack(1)
/*
- * ACPI 1.0 Root System Description Table (RSDT)
+ * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
+ * This is the only type that is even remotely portable. Anything else is not
+ * portable, so do not use any other bitfield types.
*/
-struct rsdt_descriptor_rev1 {
- ACPI_TABLE_HEADER_DEF /* ACPI common table header */
- u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */
-};
+
+/*******************************************************************************
+ *
+ * ASF - Alert Standard Format table (Signature "ASF!")
+ *
+ ******************************************************************************/
+
+struct acpi_table_asf {
+ACPI_TABLE_HEADER_DEF};
+
+#define ACPI_ASF_HEADER_DEF \
+ u8 type; \
+ u8 reserved; \
+ u16 length;
+
+struct acpi_asf_header {
+ACPI_ASF_HEADER_DEF};
+
+/* Values for Type field */
+
+#define ASF_INFO 0
+#define ASF_ALERT 1
+#define ASF_CONTROL 2
+#define ASF_BOOT 3
+#define ASF_ADDRESS 4
+#define ASF_RESERVED 5
/*
- * ACPI 1.0 Firmware ACPI Control Structure (FACS)
+ * ASF subtables
*/
-struct facs_descriptor_rev1 {
- char signature[4]; /* ASCII table signature */
- u32 length; /* Length of structure in bytes */
- u32 hardware_signature; /* Hardware configuration signature */
- u32 firmware_waking_vector; /* ACPI OS waking vector */
- u32 global_lock; /* Global Lock */
+
+/* 0: ASF Information */
+
+struct acpi_asf_info {
+ ACPI_ASF_HEADER_DEF u8 min_reset_value;
+ u8 min_poll_interval;
+ u16 system_id;
+ u32 mfg_id;
+ u8 flags;
+ u8 reserved2[3];
+};
+
+/* 1: ASF Alerts */
+
+struct acpi_asf_alert {
+ ACPI_ASF_HEADER_DEF u8 assert_mask;
+ u8 deassert_mask;
+ u8 alerts;
+ u8 data_length;
+ u8 array[1];
+};
+
+/* 2: ASF Remote Control */
+
+struct acpi_asf_remote {
+ ACPI_ASF_HEADER_DEF u8 controls;
+ u8 data_length;
+ u16 reserved2;
+ u8 array[1];
+};
+
+/* 3: ASF RMCP Boot Options */
+
+struct acpi_asf_rmcp {
+ ACPI_ASF_HEADER_DEF u8 capabilities[7];
+ u8 completion_code;
+ u32 enterprise_id;
+ u8 command;
+ u16 parameter;
+ u16 boot_options;
+ u16 oem_parameters;
+};
+
+/* 4: ASF Address */
+
+struct acpi_asf_address {
+ ACPI_ASF_HEADER_DEF u8 eprom_address;
+ u8 devices;
+ u8 smbus_addresses[1];
+};
+
+/*******************************************************************************
+ *
+ * BOOT - Simple Boot Flag Table
+ *
+ ******************************************************************************/
+
+struct acpi_table_boot {
+ ACPI_TABLE_HEADER_DEF u8 cmos_index; /* Index in CMOS RAM for the boot register */
+ u8 reserved[3];
+};
+
+/*******************************************************************************
+ *
+ * CPEP - Corrected Platform Error Polling table
+ *
+ ******************************************************************************/
+
+struct acpi_table_cpep {
+ ACPI_TABLE_HEADER_DEF u64 reserved;
+};
+
+/* Subtable */
+
+struct acpi_cpep_polling {
+ u8 type;
+ u8 length;
+ u8 processor_id; /* Processor ID */
+ u8 processor_eid; /* Processor EID */
+ u32 polling_interval; /* Polling interval (msec) */
+};
+
+/*******************************************************************************
+ *
+ * DBGP - Debug Port table
+ *
+ ******************************************************************************/
+
+struct acpi_table_dbgp {
+ ACPI_TABLE_HEADER_DEF u8 interface_type; /* 0=full 16550, 1=subset of 16550 */
+ u8 reserved[3];
+ struct acpi_generic_address debug_port;
+};
+
+/*******************************************************************************
+ *
+ * ECDT - Embedded Controller Boot Resources Table
+ *
+ ******************************************************************************/
+
+struct ec_boot_resources {
+ ACPI_TABLE_HEADER_DEF struct acpi_generic_address ec_control; /* Address of EC command/status register */
+ struct acpi_generic_address ec_data; /* Address of EC data register */
+ u32 uid; /* Unique ID - must be same as the EC _UID method */
+ u8 gpe_bit; /* The GPE for the EC */
+ u8 ec_id[1]; /* Full namepath of the EC in the ACPI namespace */
+};
+
+/*******************************************************************************
+ *
+ * HPET - High Precision Event Timer table
+ *
+ ******************************************************************************/
+
+struct acpi_hpet_table {
+ ACPI_TABLE_HEADER_DEF u32 hardware_id; /* Hardware ID of event timer block */
+ struct acpi_generic_address base_address; /* Address of event timer block */
+ u8 hpet_number; /* HPET sequence number */
+ u16 clock_tick; /* Main counter min tick, periodic mode */
+ u8 attributes;
+};
+
+#if 0 /* HPET flags to be converted to macros */
+struct { /* Flags (8 bits) */
+ u8 page_protect:1; /* 00: No page protection */
+ u8 page_protect4:1; /* 01: 4_kB page protected */
+ u8 page_protect64:1; /* 02: 64_kB page protected */
+ u8:5; /* 03-07: Reserved, must be zero */
+} flags;
+#endif
+
+/*******************************************************************************
+ *
+ * MADT - Multiple APIC Description Table
+ *
+ ******************************************************************************/
+
+struct multiple_apic_table {
+ ACPI_TABLE_HEADER_DEF u32 local_apic_address; /* Physical address of local APIC */
/* Flags (32 bits) */
- u8 S4bios_f:1; /* 00: S4BIOS support is present */
+ u8 PCATcompat:1; /* 00: System also has dual 8259s */
u8:7; /* 01-07: Reserved, must be zero */
u8 reserved1[3]; /* 08-31: Reserved, must be zero */
-
- u8 reserved2[40]; /* Reserved, must be zero */
};
+/* Values for MADT PCATCompat */
+
+#define DUAL_PIC 0
+#define MULTIPLE_APIC 1
+
+/* Common MADT Sub-table header */
+
+#define APIC_HEADER_DEF \
+ u8 type; \
+ u8 length;
+
+struct apic_header {
+APIC_HEADER_DEF};
+
+/* Values for Type in struct apic_header */
+
+#define APIC_PROCESSOR 0
+#define APIC_IO 1
+#define APIC_XRUPT_OVERRIDE 2
+#define APIC_NMI 3
+#define APIC_LOCAL_NMI 4
+#define APIC_ADDRESS_OVERRIDE 5
+#define APIC_IO_SAPIC 6
+#define APIC_LOCAL_SAPIC 7
+#define APIC_XRUPT_SOURCE 8
+#define APIC_RESERVED 9 /* 9 and greater are reserved */
+
+/* Flag definitions for MADT sub-tables */
+
+#define ACPI_MADT_IFLAGS /* INTI flags (16 bits) */ \
+ u8 polarity : 2; /* 00-01: Polarity of APIC I/O input signals */\
+ u8 trigger_mode : 2; /* 02-03: Trigger mode of APIC input signals */\
+ u8 : 4; /* 04-07: Reserved, must be zero */\
+ u8 reserved1; /* 08-15: Reserved, must be zero */
+
+#define ACPI_MADT_LFLAGS /* Local Sapic flags (32 bits) */ \
+ u8 processor_enabled: 1; /* 00: Processor is usable if set */\
+ u8 : 7; /* 01-07: Reserved, must be zero */\
+ u8 reserved2[3]; /* 08-31: Reserved, must be zero */
+
+/* Values for MPS INTI flags */
+
+#define POLARITY_CONFORMS 0
+#define POLARITY_ACTIVE_HIGH 1
+#define POLARITY_RESERVED 2
+#define POLARITY_ACTIVE_LOW 3
+
+#define TRIGGER_CONFORMS 0
+#define TRIGGER_EDGE 1
+#define TRIGGER_RESERVED 2
+#define TRIGGER_LEVEL 3
+
/*
- * ACPI 1.0 Fixed ACPI Description Table (FADT)
+ * MADT Sub-tables, correspond to Type in struct apic_header
*/
-struct fadt_descriptor_rev1 {
- ACPI_TABLE_HEADER_DEF /* ACPI common table header */
- u32 firmware_ctrl; /* Physical address of FACS */
- u32 dsdt; /* Physical address of DSDT */
- u8 model; /* System Interrupt Model */
- u8 reserved1; /* Reserved, must be zero */
- u16 sci_int; /* System vector of SCI interrupt */
- u32 smi_cmd; /* Port address of SMI command port */
- u8 acpi_enable; /* Value to write to smi_cmd to enable ACPI */
- u8 acpi_disable; /* Value to write to smi_cmd to disable ACPI */
- u8 S4bios_req; /* Value to write to SMI CMD to enter S4BIOS state */
- u8 reserved2; /* Reserved, must be zero */
- u32 pm1a_evt_blk; /* Port address of Power Mgt 1a acpi_event Reg Blk */
- u32 pm1b_evt_blk; /* Port address of Power Mgt 1b acpi_event Reg Blk */
- u32 pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */
- u32 pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */
- u32 pm2_cnt_blk; /* Port address of Power Mgt 2 Control Reg Blk */
- u32 pm_tmr_blk; /* Port address of Power Mgt Timer Ctrl Reg Blk */
- u32 gpe0_blk; /* Port addr of General Purpose acpi_event 0 Reg Blk */
- u32 gpe1_blk; /* Port addr of General Purpose acpi_event 1 Reg Blk */
- u8 pm1_evt_len; /* Byte length of ports at pm1_x_evt_blk */
- u8 pm1_cnt_len; /* Byte length of ports at pm1_x_cnt_blk */
- u8 pm2_cnt_len; /* Byte Length of ports at pm2_cnt_blk */
- u8 pm_tm_len; /* Byte Length of ports at pm_tm_blk */
- u8 gpe0_blk_len; /* Byte Length of ports at gpe0_blk */
- u8 gpe1_blk_len; /* Byte Length of ports at gpe1_blk */
- u8 gpe1_base; /* Offset in gpe model where gpe1 events start */
- u8 reserved3; /* Reserved, must be zero */
- u16 plvl2_lat; /* Worst case HW latency to enter/exit C2 state */
- u16 plvl3_lat; /* Worst case HW latency to enter/exit C3 state */
- u16 flush_size; /* Size of area read to flush caches */
- u16 flush_stride; /* Stride used in flushing caches */
- u8 duty_offset; /* Bit location of duty cycle field in p_cnt reg */
- u8 duty_width; /* Bit width of duty cycle field in p_cnt reg */
- u8 day_alrm; /* Index to day-of-month alarm in RTC CMOS RAM */
- u8 mon_alrm; /* Index to month-of-year alarm in RTC CMOS RAM */
- u8 century; /* Index to century in RTC CMOS RAM */
- u8 reserved4[3]; /* Reserved, must be zero */
+
+/* 0: processor APIC */
+
+struct madt_processor_apic {
+ APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */
+ u8 local_apic_id; /* Processor's local APIC id */
+ ACPI_MADT_LFLAGS};
+
+/* 1: IO APIC */
+
+struct madt_io_apic {
+ APIC_HEADER_DEF u8 io_apic_id; /* I/O APIC ID */
+ u8 reserved; /* Reserved - must be zero */
+ u32 address; /* APIC physical address */
+ u32 interrupt; /* Global system interrupt where INTI lines start */
+};
+
+/* 2: Interrupt Override */
+
+struct madt_interrupt_override {
+ APIC_HEADER_DEF u8 bus; /* 0 - ISA */
+ u8 source; /* Interrupt source (IRQ) */
+ u32 interrupt; /* Global system interrupt */
+ ACPI_MADT_IFLAGS};
+
+/* 3: NMI Sources */
+
+struct madt_nmi_source {
+ APIC_HEADER_DEF ACPI_MADT_IFLAGS u32 interrupt; /* Global system interrupt */
+};
+
+/* 4: Local APIC NMI */
+
+struct madt_local_apic_nmi {
+ APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */
+ ACPI_MADT_IFLAGS u8 lint; /* LINTn to which NMI is connected */
+};
+
+/* 5: Address Override */
+
+struct madt_address_override {
+ APIC_HEADER_DEF u16 reserved; /* Reserved, must be zero */
+ u64 address; /* APIC physical address */
+};
+
+/* 6: I/O Sapic */
+
+struct madt_io_sapic {
+ APIC_HEADER_DEF u8 io_sapic_id; /* I/O SAPIC ID */
+ u8 reserved; /* Reserved, must be zero */
+ u32 interrupt_base; /* Glocal interrupt for SAPIC start */
+ u64 address; /* SAPIC physical address */
+};
+
+/* 7: Local Sapic */
+
+struct madt_local_sapic {
+ APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */
+ u8 local_sapic_id; /* SAPIC ID */
+ u8 local_sapic_eid; /* SAPIC EID */
+ u8 reserved[3]; /* Reserved, must be zero */
+ ACPI_MADT_LFLAGS u32 processor_uID; /* Numeric UID - ACPI 3.0 */
+ char processor_uIDstring[1]; /* String UID - ACPI 3.0 */
+};
+
+/* 8: Platform Interrupt Source */
+
+struct madt_interrupt_source {
+ APIC_HEADER_DEF ACPI_MADT_IFLAGS u8 interrupt_type; /* 1=PMI, 2=INIT, 3=corrected */
+ u8 processor_id; /* Processor ID */
+ u8 processor_eid; /* Processor EID */
+ u8 io_sapic_vector; /* Vector value for PMI interrupts */
+ u32 interrupt; /* Global system interrupt */
+ u32 flags; /* Interrupt Source Flags */
+};
+
+#ifdef DUPLICATE_DEFINITION_WITH_LINUX_ACPI_H
+/*******************************************************************************
+ *
+ * MCFG - PCI Memory Mapped Configuration table and sub-table
+ *
+ ******************************************************************************/
+
+struct acpi_table_mcfg {
+ ACPI_TABLE_HEADER_DEF u8 reserved[8];
+};
+
+struct acpi_mcfg_allocation {
+ u64 base_address; /* Base address, processor-relative */
+ u16 pci_segment; /* PCI segment group number */
+ u8 start_bus_number; /* Starting PCI Bus number */
+ u8 end_bus_number; /* Final PCI Bus number */
+ u32 reserved;
+};
+#endif
+
+/*******************************************************************************
+ *
+ * SBST - Smart Battery Specification Table
+ *
+ ******************************************************************************/
+
+struct smart_battery_table {
+ ACPI_TABLE_HEADER_DEF u32 warning_level;
+ u32 low_level;
+ u32 critical_level;
+};
+
+/*******************************************************************************
+ *
+ * SLIT - System Locality Distance Information Table
+ *
+ ******************************************************************************/
+
+struct system_locality_info {
+ ACPI_TABLE_HEADER_DEF u64 locality_count;
+ u8 entry[1][1];
+};
+
+/*******************************************************************************
+ *
+ * SPCR - Serial Port Console Redirection table
+ *
+ ******************************************************************************/
+
+struct acpi_table_spcr {
+ ACPI_TABLE_HEADER_DEF u8 interface_type; /* 0=full 16550, 1=subset of 16550 */
+ u8 reserved[3];
+ struct acpi_generic_address serial_port;
+ u8 interrupt_type;
+ u8 pc_interrupt;
+ u32 interrupt;
+ u8 baud_rate;
+ u8 parity;
+ u8 stop_bits;
+ u8 flow_control;
+ u8 terminal_type;
+ u8 reserved2;
+ u16 pci_device_id;
+ u16 pci_vendor_id;
+ u8 pci_bus;
+ u8 pci_device;
+ u8 pci_function;
+ u32 pci_flags;
+ u8 pci_segment;
+ u32 reserved3;
+};
+
+/*******************************************************************************
+ *
+ * SPMI - Server Platform Management Interface table
+ *
+ ******************************************************************************/
+
+struct acpi_table_spmi {
+ ACPI_TABLE_HEADER_DEF u8 reserved;
+ u8 interface_type;
+ u16 spec_revision; /* Version of IPMI */
+ u8 interrupt_type;
+ u8 gpe_number; /* GPE assigned */
+ u8 reserved2;
+ u8 pci_device_flag;
+ u32 interrupt;
+ struct acpi_generic_address ipmi_register;
+ u8 pci_segment;
+ u8 pci_bus;
+ u8 pci_device;
+ u8 pci_function;
+};
+
+/*******************************************************************************
+ *
+ * SRAT - System Resource Affinity Table
+ *
+ ******************************************************************************/
+
+struct system_resource_affinity {
+ ACPI_TABLE_HEADER_DEF u32 reserved1; /* Must be value '1' */
+ u64 reserved2; /* Reserved, must be zero */
+};
+
+/* SRAT common sub-table header */
+
+#define SRAT_SUBTABLE_HEADER \
+ u8 type; \
+ u8 length;
+
+/* Values for Type above */
+
+#define SRAT_CPU_AFFINITY 0
+#define SRAT_MEMORY_AFFINITY 1
+#define SRAT_RESERVED 2
+
+/* SRAT sub-tables */
+
+struct static_resource_alloc {
+ SRAT_SUBTABLE_HEADER u8 proximity_domain_lo;
+ u8 apic_id;
+
+ /* Flags (32 bits) */
+
+ u8 enabled:1; /* 00: Use affinity structure */
+ u8:7; /* 01-07: Reserved, must be zero */
+ u8 reserved3[3]; /* 08-31: Reserved, must be zero */
+
+ u8 local_sapic_eid;
+ u8 proximity_domain_hi[3];
+ u32 reserved4; /* Reserved, must be zero */
+};
+
+struct memory_affinity {
+ SRAT_SUBTABLE_HEADER u32 proximity_domain;
+ u16 reserved3;
+ u64 base_address;
+ u64 address_length;
+ u32 reserved4;
/* Flags (32 bits) */
- u8 wb_invd:1; /* 00: The wbinvd instruction works properly */
- u8 wb_invd_flush:1; /* 01: The wbinvd flushes but does not invalidate */
- u8 proc_c1:1; /* 02: All processors support C1 state */
- u8 plvl2_up:1; /* 03: C2 state works on MP system */
- u8 pwr_button:1; /* 04: Power button is handled as a generic feature */
- u8 sleep_button:1; /* 05: Sleep button is handled as a generic feature, or not present */
- u8 fixed_rTC:1; /* 06: RTC wakeup stat not in fixed register space */
- u8 rtcs4:1; /* 07: RTC wakeup stat not possible from S4 */
- u8 tmr_val_ext:1; /* 08: tmr_val width is 32 bits (0 = 24 bits) */
- u8:7; /* 09-15: Reserved, must be zero */
- u8 reserved5[2]; /* 16-31: Reserved, must be zero */
+ u8 enabled:1; /* 00: Use affinity structure */
+ u8 hot_pluggable:1; /* 01: Memory region is hot pluggable */
+ u8 non_volatile:1; /* 02: Memory is non-volatile */
+ u8:5; /* 03-07: Reserved, must be zero */
+ u8 reserved5[3]; /* 08-31: Reserved, must be zero */
+
+ u64 reserved6; /* Reserved, must be zero */
+};
+
+/*******************************************************************************
+ *
+ * TCPA - Trusted Computing Platform Alliance table
+ *
+ ******************************************************************************/
+
+struct acpi_table_tcpa {
+ ACPI_TABLE_HEADER_DEF u16 reserved;
+ u32 max_log_length; /* Maximum length for the event log area */
+ u64 log_address; /* Address of the event log area */
};
+/*******************************************************************************
+ *
+ * WDRT - Watchdog Resource Table
+ *
+ ******************************************************************************/
+
+struct acpi_table_wdrt {
+ ACPI_TABLE_HEADER_DEF u32 header_length; /* Watchdog Header Length */
+ u8 pci_segment; /* PCI Segment number */
+ u8 pci_bus; /* PCI Bus number */
+ u8 pci_device; /* PCI Device number */
+ u8 pci_function; /* PCI Function number */
+ u32 timer_period; /* Period of one timer count (msec) */
+ u32 max_count; /* Maximum counter value supported */
+ u32 min_count; /* Minimum counter value */
+ u8 flags;
+ u8 reserved[3];
+ u32 entries; /* Number of watchdog entries that follow */
+};
+
+#if 0 /* Flags, will be converted to macros */
+u8 enabled:1; /* 00: Timer enabled */
+u8:6; /* 01-06: Reserved */
+u8 sleep_stop:1; /* 07: Timer stopped in sleep state */
+#endif
+
+/* Macros used to generate offsets to specific table fields */
+
+#define ACPI_ASF0_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_asf_info,f)
+#define ACPI_ASF1_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_asf_alert,f)
+#define ACPI_ASF2_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_asf_remote,f)
+#define ACPI_ASF3_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_asf_rmcp,f)
+#define ACPI_ASF4_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_asf_address,f)
+#define ACPI_BOOT_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_boot,f)
+#define ACPI_CPEP_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_cpep,f)
+#define ACPI_CPEP0_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_cpep_polling,f)
+#define ACPI_DBGP_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_dbgp,f)
+#define ACPI_ECDT_OFFSET(f) (u8) ACPI_OFFSET (struct ec_boot_resources,f)
+#define ACPI_HPET_OFFSET(f) (u8) ACPI_OFFSET (struct hpet_table,f)
+#define ACPI_MADT_OFFSET(f) (u8) ACPI_OFFSET (struct multiple_apic_table,f)
+#define ACPI_MADT0_OFFSET(f) (u8) ACPI_OFFSET (struct madt_processor_apic,f)
+#define ACPI_MADT1_OFFSET(f) (u8) ACPI_OFFSET (struct madt_io_apic,f)
+#define ACPI_MADT2_OFFSET(f) (u8) ACPI_OFFSET (struct madt_interrupt_override,f)
+#define ACPI_MADT3_OFFSET(f) (u8) ACPI_OFFSET (struct madt_nmi_source,f)
+#define ACPI_MADT4_OFFSET(f) (u8) ACPI_OFFSET (struct madt_local_apic_nmi,f)
+#define ACPI_MADT5_OFFSET(f) (u8) ACPI_OFFSET (struct madt_address_override,f)
+#define ACPI_MADT6_OFFSET(f) (u8) ACPI_OFFSET (struct madt_io_sapic,f)
+#define ACPI_MADT7_OFFSET(f) (u8) ACPI_OFFSET (struct madt_local_sapic,f)
+#define ACPI_MADT8_OFFSET(f) (u8) ACPI_OFFSET (struct madt_interrupt_source,f)
+#define ACPI_MADTH_OFFSET(f) (u8) ACPI_OFFSET (struct apic_header,f)
+#define ACPI_MCFG_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_mcfg,f)
+#define ACPI_MCFG0_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_mcfg_allocation,f)
+#define ACPI_SBST_OFFSET(f) (u8) ACPI_OFFSET (struct smart_battery_table,f)
+#define ACPI_SLIT_OFFSET(f) (u8) ACPI_OFFSET (struct system_locality_info,f)
+#define ACPI_SPCR_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_spcr,f)
+#define ACPI_SPMI_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_spmi,f)
+#define ACPI_SRAT_OFFSET(f) (u8) ACPI_OFFSET (struct system_resource_affinity,f)
+#define ACPI_SRAT0_OFFSET(f) (u8) ACPI_OFFSET (struct static_resource_alloc,f)
+#define ACPI_SRAT1_OFFSET(f) (u8) ACPI_OFFSET (struct memory_affinity,f)
+#define ACPI_TCPA_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_tcpa,f)
+#define ACPI_WDRT_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_wdrt,f)
+
+#define ACPI_HPET_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct hpet_table,f,o)
+#define ACPI_SRAT0_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct static_resource_alloc,f,o)
+#define ACPI_SRAT1_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct memory_affinity,f,o)
+#define ACPI_MADT_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct multiple_apic_table,f,o)
+#define ACPI_MADT0_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct madt_processor_apic,f,o)
+#define ACPI_MADT2_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct madt_interrupt_override,f,o)
+#define ACPI_MADT3_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct madt_nmi_source,f,o)
+#define ACPI_MADT4_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct madt_local_apic_nmi,f,o)
+#define ACPI_MADT7_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct madt_local_sapic,f,o)
+#define ACPI_MADT8_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct madt_interrupt_source,f,o)
+
+/* Reset to default packing */
+
#pragma pack()
#endif /* __ACTBL1_H__ */
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index dfc7ac1094bb..67efe6cad27b 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -44,234 +44,6 @@
#ifndef __ACTBL2_H__
#define __ACTBL2_H__
-/*
- * Prefered Power Management Profiles
- */
-#define PM_UNSPECIFIED 0
-#define PM_DESKTOP 1
-#define PM_MOBILE 2
-#define PM_WORKSTATION 3
-#define PM_ENTERPRISE_SERVER 4
-#define PM_SOHO_SERVER 5
-#define PM_APPLIANCE_PC 6
-
-/*
- * ACPI Boot Arch Flags
- */
-#define BAF_LEGACY_DEVICES 0x0001
-#define BAF_8042_KEYBOARD_CONTROLLER 0x0002
-
-#define FADT2_REVISION_ID 3
-#define FADT2_MINUS_REVISION_ID 2
-
-#pragma pack(1)
-
-/*
- * ACPI 2.0 Root System Description Table (RSDT)
- */
-struct rsdt_descriptor_rev2 {
- ACPI_TABLE_HEADER_DEF /* ACPI common table header */
- u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */
-};
-
-/*
- * ACPI 2.0 Extended System Description Table (XSDT)
- */
-struct xsdt_descriptor_rev2 {
- ACPI_TABLE_HEADER_DEF /* ACPI common table header */
- u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */
-};
-
-/*
- * ACPI 2.0 Firmware ACPI Control Structure (FACS)
- */
-struct facs_descriptor_rev2 {
- char signature[4]; /* ASCII table signature */
- u32 length; /* Length of structure, in bytes */
- u32 hardware_signature; /* Hardware configuration signature */
- u32 firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector. */
- u32 global_lock; /* Global Lock used to synchronize access to shared hardware resources */
-
- /* Flags (32 bits) */
-
- u8 S4bios_f:1; /* 00: S4BIOS support is present */
- u8:7; /* 01-07: Reserved, must be zero */
- u8 reserved1[3]; /* 08-31: Reserved, must be zero */
-
- u64 xfirmware_waking_vector; /* 64-bit physical address of the Firmware Waking Vector. */
- u8 version; /* Version of this table */
- u8 reserved3[31]; /* Reserved, must be zero */
-};
-
-/*
- * ACPI 2.0+ Generic Address Structure (GAS)
- */
-struct acpi_generic_address {
- u8 address_space_id; /* Address space where struct or register exists. */
- u8 register_bit_width; /* Size in bits of given register */
- u8 register_bit_offset; /* Bit offset within the register */
- u8 access_width; /* Minimum Access size (ACPI 3.0) */
- u64 address; /* 64-bit address of struct or register */
-};
-
-#define FADT_REV2_COMMON \
- u32 V1_firmware_ctrl; /* 32-bit physical address of FACS */ \
- u32 V1_dsdt; /* 32-bit physical address of DSDT */ \
- u8 reserved1; /* System Interrupt Model isn't used in ACPI 2.0*/ \
- u8 prefer_PM_profile; /* Conveys preferred power management profile to OSPM. */ \
- u16 sci_int; /* System vector of SCI interrupt */ \
- u32 smi_cmd; /* Port address of SMI command port */ \
- u8 acpi_enable; /* Value to write to smi_cmd to enable ACPI */ \
- u8 acpi_disable; /* Value to write to smi_cmd to disable ACPI */ \
- u8 S4bios_req; /* Value to write to SMI CMD to enter S4BIOS state */ \
- u8 pstate_cnt; /* Processor performance state control*/ \
- u32 V1_pm1a_evt_blk; /* Port address of Power Mgt 1a acpi_event Reg Blk */ \
- u32 V1_pm1b_evt_blk; /* Port address of Power Mgt 1b acpi_event Reg Blk */ \
- u32 V1_pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */ \
- u32 V1_pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */ \
- u32 V1_pm2_cnt_blk; /* Port address of Power Mgt 2 Control Reg Blk */ \
- u32 V1_pm_tmr_blk; /* Port address of Power Mgt Timer Ctrl Reg Blk */ \
- u32 V1_gpe0_blk; /* Port addr of General Purpose acpi_event 0 Reg Blk */ \
- u32 V1_gpe1_blk; /* Port addr of General Purpose acpi_event 1 Reg Blk */ \
- u8 pm1_evt_len; /* Byte length of ports at pm1_x_evt_blk */ \
- u8 pm1_cnt_len; /* Byte length of ports at pm1_x_cnt_blk */ \
- u8 pm2_cnt_len; /* Byte Length of ports at pm2_cnt_blk */ \
- u8 pm_tm_len; /* Byte Length of ports at pm_tm_blk */ \
- u8 gpe0_blk_len; /* Byte Length of ports at gpe0_blk */ \
- u8 gpe1_blk_len; /* Byte Length of ports at gpe1_blk */ \
- u8 gpe1_base; /* Offset in gpe model where gpe1 events start */ \
- u8 cst_cnt; /* Support for the _CST object and C States change notification.*/ \
- u16 plvl2_lat; /* Worst case HW latency to enter/exit C2 state */ \
- u16 plvl3_lat; /* Worst case HW latency to enter/exit C3 state */ \
- u16 flush_size; /* Number of flush strides that need to be read */ \
- u16 flush_stride; /* Processor's memory cache line width, in bytes */ \
- u8 duty_offset; /* Processor's duty cycle index in processor's P_CNT reg*/ \
- u8 duty_width; /* Processor's duty cycle value bit width in P_CNT register.*/ \
- u8 day_alrm; /* Index to day-of-month alarm in RTC CMOS RAM */ \
- u8 mon_alrm; /* Index to month-of-year alarm in RTC CMOS RAM */ \
- u8 century; /* Index to century in RTC CMOS RAM */ \
- u16 iapc_boot_arch; /* IA-PC Boot Architecture Flags. See Table 5-10 for description*/
-
-/*
- * ACPI 2.0+ Fixed ACPI Description Table (FADT)
- */
-struct fadt_descriptor_rev2 {
- ACPI_TABLE_HEADER_DEF /* ACPI common table header */
- FADT_REV2_COMMON u8 reserved2; /* Reserved, must be zero */
-
- /* Flags (32 bits) */
-
- u8 wb_invd:1; /* 00: The wbinvd instruction works properly */
- u8 wb_invd_flush:1; /* 01: The wbinvd flushes but does not invalidate */
- u8 proc_c1:1; /* 02: All processors support C1 state */
- u8 plvl2_up:1; /* 03: C2 state works on MP system */
- u8 pwr_button:1; /* 04: Power button is handled as a generic feature */
- u8 sleep_button:1; /* 05: Sleep button is handled as a generic feature, or not present */
- u8 fixed_rTC:1; /* 06: RTC wakeup stat not in fixed register space */
- u8 rtcs4:1; /* 07: RTC wakeup stat not possible from S4 */
- u8 tmr_val_ext:1; /* 08: tmr_val is 32 bits 0=24-bits */
- u8 dock_cap:1; /* 09: Docking supported */
- u8 reset_reg_sup:1; /* 10: System reset via the FADT RESET_REG supported */
- u8 sealed_case:1; /* 11: No internal expansion capabilities and case is sealed */
- u8 headless:1; /* 12: No local video capabilities or local input devices */
- u8 cpu_sw_sleep:1; /* 13: Must execute native instruction after writing SLP_TYPx register */
-
- u8 pci_exp_wak:1; /* 14: System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
- u8 use_platform_clock:1; /* 15: OSPM should use platform-provided timer (ACPI 3.0) */
- u8 S4rtc_sts_valid:1; /* 16: Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
- u8 remote_power_on_capable:1; /* 17: System is compatible with remote power on (ACPI 3.0) */
- u8 force_apic_cluster_model:1; /* 18: All local APICs must use cluster model (ACPI 3.0) */
- u8 force_apic_physical_destination_mode:1; /* 19: all local x_aPICs must use physical dest mode (ACPI 3.0) */
- u8:4; /* 20-23: Reserved, must be zero */
- u8 reserved3; /* 24-31: Reserved, must be zero */
-
- struct acpi_generic_address reset_register; /* Reset register address in GAS format */
- u8 reset_value; /* Value to write to the reset_register port to reset the system */
- u8 reserved4[3]; /* These three bytes must be zero */
- u64 xfirmware_ctrl; /* 64-bit physical address of FACS */
- u64 Xdsdt; /* 64-bit physical address of DSDT */
- struct acpi_generic_address xpm1a_evt_blk; /* Extended Power Mgt 1a acpi_event Reg Blk address */
- struct acpi_generic_address xpm1b_evt_blk; /* Extended Power Mgt 1b acpi_event Reg Blk address */
- struct acpi_generic_address xpm1a_cnt_blk; /* Extended Power Mgt 1a Control Reg Blk address */
- struct acpi_generic_address xpm1b_cnt_blk; /* Extended Power Mgt 1b Control Reg Blk address */
- struct acpi_generic_address xpm2_cnt_blk; /* Extended Power Mgt 2 Control Reg Blk address */
- struct acpi_generic_address xpm_tmr_blk; /* Extended Power Mgt Timer Ctrl Reg Blk address */
- struct acpi_generic_address xgpe0_blk; /* Extended General Purpose acpi_event 0 Reg Blk address */
- struct acpi_generic_address xgpe1_blk; /* Extended General Purpose acpi_event 1 Reg Blk address */
-};
-
-/* "Down-revved" ACPI 2.0 FADT descriptor */
-
-struct fadt_descriptor_rev2_minus {
- ACPI_TABLE_HEADER_DEF /* ACPI common table header */
- FADT_REV2_COMMON u8 reserved2; /* Reserved, must be zero */
- u32 flags;
- struct acpi_generic_address reset_register; /* Reset register address in GAS format */
- u8 reset_value; /* Value to write to the reset_register port to reset the system. */
- u8 reserved7[3]; /* Reserved, must be zero */
-};
-
-/* ECDT - Embedded Controller Boot Resources Table */
-
-struct ec_boot_resources {
- ACPI_TABLE_HEADER_DEF struct acpi_generic_address ec_control; /* Address of EC command/status register */
- struct acpi_generic_address ec_data; /* Address of EC data register */
- u32 uid; /* Unique ID - must be same as the EC _UID method */
- u8 gpe_bit; /* The GPE for the EC */
- u8 ec_id[1]; /* Full namepath of the EC in the ACPI namespace */
-};
-
-/* SRAT - System Resource Affinity Table */
-
-struct static_resource_alloc {
- u8 type;
- u8 length;
- u8 proximity_domain_lo;
- u8 apic_id;
-
- /* Flags (32 bits) */
-
- u8 enabled:1; /* 00: Use affinity structure */
- u8:7; /* 01-07: Reserved, must be zero */
- u8 reserved3[3]; /* 08-31: Reserved, must be zero */
-
- u8 local_sapic_eid;
- u8 proximity_domain_hi[3];
- u32 reserved4; /* Reserved, must be zero */
-};
-
-struct memory_affinity {
- u8 type;
- u8 length;
- u32 proximity_domain;
- u16 reserved3;
- u64 base_address;
- u64 address_length;
- u32 reserved4;
-
- /* Flags (32 bits) */
-
- u8 enabled:1; /* 00: Use affinity structure */
- u8 hot_pluggable:1; /* 01: Memory region is hot pluggable */
- u8 non_volatile:1; /* 02: Memory is non-volatile */
- u8:5; /* 03-07: Reserved, must be zero */
- u8 reserved5[3]; /* 08-31: Reserved, must be zero */
-
- u64 reserved6; /* Reserved, must be zero */
-};
-
-struct system_resource_affinity {
- ACPI_TABLE_HEADER_DEF u32 reserved1; /* Must be value '1' */
- u64 reserved2; /* Reserved, must be zero */
-};
-
-/* SLIT - System Locality Distance Information Table */
-
-struct system_locality_info {
- ACPI_TABLE_HEADER_DEF u64 locality_count;
- u8 entry[1][1];
-};
-
-#pragma pack()
+/* Code moved to both actbl.h and actbl1.h */
#endif /* __ACTBL2_H__ */
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 7ca89cde706e..77cf1236b05a 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -44,6 +44,8 @@
#ifndef __ACTYPES_H__
#define __ACTYPES_H__
+/* acpisrc:struct_defs -- for acpisrc conversion */
+
/*
* ACPI_MACHINE_WIDTH must be specified in an OS- or compiler-dependent header
* and must be either 16, 32, or 64
@@ -154,7 +156,6 @@ typedef u64 acpi_physical_address;
#define ACPI_MAX_PTR ACPI_UINT64_MAX
#define ACPI_SIZE_MAX ACPI_UINT64_MAX
-#define ALIGNED_ADDRESS_BOUNDARY 0x00000008
#define ACPI_USE_NATIVE_DIVIDE /* Has native 64-bit integer support */
/*
@@ -195,8 +196,6 @@ typedef u64 acpi_physical_address;
#define ACPI_MAX_PTR ACPI_UINT32_MAX
#define ACPI_SIZE_MAX ACPI_UINT32_MAX
-#define ALIGNED_ADDRESS_BOUNDARY 0x00000004
-
/*******************************************************************************
*
* Types specific to 16-bit targets
@@ -223,7 +222,6 @@ typedef char *acpi_physical_address;
#define ACPI_MAX_PTR ACPI_UINT16_MAX
#define ACPI_SIZE_MAX ACPI_UINT16_MAX
-#define ALIGNED_ADDRESS_BOUNDARY 0x00000002
#define ACPI_USE_NATIVE_DIVIDE /* No 64-bit integers, ok to use native divide */
/* 64-bit integers cannot be supported */
@@ -254,7 +252,7 @@ typedef acpi_native_uint acpi_size;
/* Use C99 uintptr_t for pointer casting if available, "void *" otherwise */
#ifndef acpi_uintptr_t
-#define acpi_uintptr_t void *
+#define acpi_uintptr_t void *
#endif
/*
@@ -263,7 +261,7 @@ typedef acpi_native_uint acpi_size;
* manager implementation is to be used (ACPI_USE_LOCAL_CACHE)
*/
#ifndef acpi_cache_t
-#define acpi_cache_t struct acpi_memory_list
+#define acpi_cache_t struct acpi_memory_list
#endif
/*
@@ -271,7 +269,7 @@ typedef acpi_native_uint acpi_size;
* lock and unlock OSL interfaces.
*/
#ifndef acpi_cpu_flags
-#define acpi_cpu_flags acpi_native_uint
+#define acpi_cpu_flags acpi_native_uint
#endif
/*
@@ -292,6 +290,21 @@ typedef acpi_native_uint acpi_size;
#define ACPI_UNUSED_VAR
#endif
+/*
+ * All ACPICA functions that are available to the rest of the kernel are
+ * tagged with this macro which can be defined as appropriate for the host.
+ */
+#ifndef ACPI_EXPORT_SYMBOL
+#define ACPI_EXPORT_SYMBOL(symbol)
+#endif
+
+/*
+ * thread_id is returned by acpi_os_get_thread_id.
+ */
+#ifndef acpi_thread_id
+#define acpi_thread_id acpi_native_uint
+#endif
+
/*******************************************************************************
*
* Independent types
@@ -477,15 +490,15 @@ typedef u64 acpi_integer;
*/
typedef u32 acpi_table_type;
-#define ACPI_TABLE_RSDP (acpi_table_type) 0
-#define ACPI_TABLE_DSDT (acpi_table_type) 1
-#define ACPI_TABLE_FADT (acpi_table_type) 2
-#define ACPI_TABLE_FACS (acpi_table_type) 3
-#define ACPI_TABLE_PSDT (acpi_table_type) 4
-#define ACPI_TABLE_SSDT (acpi_table_type) 5
-#define ACPI_TABLE_XSDT (acpi_table_type) 6
-#define ACPI_TABLE_MAX 6
-#define NUM_ACPI_TABLE_TYPES (ACPI_TABLE_MAX+1)
+#define ACPI_TABLE_ID_RSDP (acpi_table_type) 0
+#define ACPI_TABLE_ID_DSDT (acpi_table_type) 1
+#define ACPI_TABLE_ID_FADT (acpi_table_type) 2
+#define ACPI_TABLE_ID_FACS (acpi_table_type) 3
+#define ACPI_TABLE_ID_PSDT (acpi_table_type) 4
+#define ACPI_TABLE_ID_SSDT (acpi_table_type) 5
+#define ACPI_TABLE_ID_XSDT (acpi_table_type) 6
+#define ACPI_TABLE_ID_MAX 6
+#define ACPI_NUM_TABLE_TYPES (ACPI_TABLE_ID_MAX+1)
/*
* Types associated with ACPI names and objects. The first group of
@@ -816,7 +829,7 @@ struct acpi_system_info {
u32 debug_level;
u32 debug_layer;
u32 num_table_types;
- struct acpi_table_info table_info[NUM_ACPI_TABLE_TYPES];
+ struct acpi_table_info table_info[ACPI_TABLE_ID_MAX + 1];
};
/*
@@ -858,7 +871,7 @@ acpi_status(*acpi_adr_space_handler) (u32 function,
void *handler_context,
void *region_context);
-#define ACPI_DEFAULT_HANDLER NULL
+#define ACPI_DEFAULT_HANDLER NULL
typedef
acpi_status(*acpi_adr_space_setup) (acpi_handle region_handle,
@@ -911,12 +924,13 @@ struct acpi_compatible_id_list {
#define ACPI_STA_DEVICE_PRESENT 0x01
#define ACPI_STA_DEVICE_ENABLED 0x02
#define ACPI_STA_DEVICE_UI 0x04
-#define ACPI_STA_DEVICE_OK 0x08
+#define ACPI_STA_DEVICE_FUNCTIONING 0x08
+#define ACPI_STA_DEVICE_OK 0x08 /* Synonym */
#define ACPI_STA_BATTERY_PRESENT 0x10
#define ACPI_COMMON_OBJ_INFO \
- acpi_object_type type; /* ACPI object type */ \
- acpi_name name /* ACPI object Name */
+ acpi_object_type type; /* ACPI object type */ \
+ acpi_name name /* ACPI object Name */
struct acpi_obj_info_header {
ACPI_COMMON_OBJ_INFO;
@@ -957,7 +971,7 @@ struct acpi_mem_space_context {
* Definitions for Resource Attributes
*/
typedef u16 acpi_rs_length; /* Resource Length field is fixed at 16 bits */
-typedef u32 acpi_rsdesc_size; /* Max Resource Descriptor size is (length+3) = (64_k-1)+3 */
+typedef u32 acpi_rsdesc_size; /* Max Resource Descriptor size is (Length+3) = (64_k-1)+3 */
/*
* Memory Attributes
@@ -972,8 +986,8 @@ typedef u32 acpi_rsdesc_size; /* Max Resource Descriptor size is (length+3) = (6
/*
* IO Attributes
- * The ISA Io ranges are: n000-n0_ffh, n400-n4_ffh, n800-n8_ffh, n_c00-n_cFFh.
- * The non-ISA Io ranges are: n100-n3_ffh, n500-n7_ffh, n900-n_bFfh, n_cd0-n_fFFh.
+ * The ISA IO ranges are: n000-n0_fFh, n400-n4_fFh, n800-n8_fFh, n_c00-n_cFFh.
+ * The non-ISA IO ranges are: n100-n3_fFh, n500-n7_fFh, n900-n_bFFh, n_cd0-n_fFFh.
*/
#define ACPI_NON_ISA_ONLY_RANGES (u8) 0x01
#define ACPI_ISA_ONLY_RANGES (u8) 0x02
@@ -1171,12 +1185,12 @@ struct acpi_resource_source {
/* Fields common to all address descriptors, 16/32/64 bit */
#define ACPI_RESOURCE_ADDRESS_COMMON \
- u8 resource_type; \
- u8 producer_consumer; \
- u8 decode; \
- u8 min_address_fixed; \
- u8 max_address_fixed; \
- union acpi_resource_attribute info;
+ u8 resource_type; \
+ u8 producer_consumer; \
+ u8 decode; \
+ u8 min_address_fixed; \
+ u8 max_address_fixed; \
+ union acpi_resource_attribute info;
struct acpi_resource_address {
ACPI_RESOURCE_ADDRESS_COMMON};
@@ -1297,16 +1311,6 @@ struct acpi_resource {
#define ACPI_NEXT_RESOURCE(res) (struct acpi_resource *)((u8 *) res + res->length)
-#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
-#define ACPI_ALIGN_RESOURCE_SIZE(length) (length)
-#else
-#define ACPI_ALIGN_RESOURCE_SIZE(length) ACPI_ROUND_UP_TO_NATIVE_WORD(length)
-#endif
-
-/*
- * END: of definitions for Resource Attributes
- */
-
struct acpi_pci_routing_table {
u32 length;
u32 pin;
@@ -1315,8 +1319,4 @@ struct acpi_pci_routing_table {
char source[4]; /* pad to 64 bits so sizeof() works in all cases */
};
-/*
- * END: of definitions for PCI Routing tables
- */
-
#endif /* __ACTYPES_H__ */
diff --git a/include/acpi/acutils.h b/include/acpi/acutils.h
index 0927765df6aa..ba039ea1a057 100644
--- a/include/acpi/acutils.h
+++ b/include/acpi/acutils.h
@@ -50,24 +50,24 @@ extern const u8 acpi_gbl_resource_aml_sizes[];
#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
-extern const char *acpi_gbl_BMdecode[2];
-extern const char *acpi_gbl_config_decode[4];
-extern const char *acpi_gbl_consume_decode[2];
-extern const char *acpi_gbl_DECdecode[2];
-extern const char *acpi_gbl_HEdecode[2];
-extern const char *acpi_gbl_io_decode[2];
-extern const char *acpi_gbl_LLdecode[2];
-extern const char *acpi_gbl_max_decode[2];
-extern const char *acpi_gbl_MEMdecode[4];
-extern const char *acpi_gbl_min_decode[2];
-extern const char *acpi_gbl_MTPdecode[4];
-extern const char *acpi_gbl_RNGdecode[4];
-extern const char *acpi_gbl_RWdecode[2];
-extern const char *acpi_gbl_SHRdecode[2];
-extern const char *acpi_gbl_SIZdecode[4];
-extern const char *acpi_gbl_TRSdecode[2];
-extern const char *acpi_gbl_TTPdecode[2];
-extern const char *acpi_gbl_TYPdecode[4];
+extern const char *acpi_gbl_bm_decode[];
+extern const char *acpi_gbl_config_decode[];
+extern const char *acpi_gbl_consume_decode[];
+extern const char *acpi_gbl_dec_decode[];
+extern const char *acpi_gbl_he_decode[];
+extern const char *acpi_gbl_io_decode[];
+extern const char *acpi_gbl_ll_decode[];
+extern const char *acpi_gbl_max_decode[];
+extern const char *acpi_gbl_mem_decode[];
+extern const char *acpi_gbl_min_decode[];
+extern const char *acpi_gbl_mtp_decode[];
+extern const char *acpi_gbl_rng_decode[];
+extern const char *acpi_gbl_rw_decode[];
+extern const char *acpi_gbl_shr_decode[];
+extern const char *acpi_gbl_siz_decode[];
+extern const char *acpi_gbl_trs_decode[];
+extern const char *acpi_gbl_ttp_decode[];
+extern const char *acpi_gbl_typ_decode[];
#endif
/* Types for Resource descriptor entries */
@@ -78,6 +78,12 @@ extern const char *acpi_gbl_TYPdecode[4];
#define ACPI_SMALL_VARIABLE_LENGTH 3
typedef
+acpi_status(*acpi_walk_aml_callback) (u8 * aml,
+ u32 length,
+ u32 offset,
+ u8 resource_index, void **context);
+
+typedef
acpi_status(*acpi_pkg_callback) (u8 object_type,
union acpi_operand_object * source_object,
union acpi_generic_state * state,
@@ -277,6 +283,8 @@ acpi_ut_ptr_exit(u32 line_number,
void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id);
+void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display);
+
void acpi_ut_report_error(char *module_name, u32 line_number);
void acpi_ut_report_info(char *module_name, u32 line_number);
@@ -445,6 +453,8 @@ acpi_ut_short_divide(acpi_integer in_dividend,
/*
* utmisc
*/
+u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
+
acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
@@ -460,7 +470,9 @@ void acpi_ut_print_string(char *string, u8 max_length);
u8 acpi_ut_valid_acpi_name(u32 name);
-u8 acpi_ut_valid_acpi_character(char character);
+acpi_name acpi_ut_repair_name(acpi_name name);
+
+u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position);
acpi_status
acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer);
@@ -469,6 +481,25 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer);
#define ACPI_ANY_BASE 0
+u32 acpi_ut_dword_byte_swap(u32 value);
+
+void acpi_ut_set_integer_width(u8 revision);
+
+#ifdef ACPI_DEBUG_OUTPUT
+void
+acpi_ut_display_init_pathname(u8 type,
+ struct acpi_namespace_node *obj_handle,
+ char *path);
+#endif
+
+/*
+ * utresrc
+ */
+acpi_status
+acpi_ut_walk_aml_resources(u8 * aml,
+ acpi_size aml_length,
+ acpi_walk_aml_callback user_function, void **context);
+
acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index);
u32 acpi_ut_get_descriptor_length(void *aml);
@@ -483,20 +514,6 @@ acpi_status
acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc,
u8 ** end_tag);
-u8 acpi_ut_generate_checksum(u8 * buffer, u32 length);
-
-u32 acpi_ut_dword_byte_swap(u32 value);
-
-void acpi_ut_set_integer_width(u8 revision);
-
-#ifdef ACPI_DEBUG_OUTPUT
-void
-acpi_ut_display_init_pathname(u8 type,
- struct acpi_namespace_node *obj_handle,
- char *path);
-
-#endif
-
/*
* utmutex - mutex support
*/
@@ -523,14 +540,15 @@ acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line);
-void *acpi_ut_callocate(acpi_size size, u32 component, char *module, u32 line);
+void *acpi_ut_allocate_zeroed(acpi_size size,
+ u32 component, char *module, u32 line);
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
void *acpi_ut_allocate_and_track(acpi_size size,
u32 component, char *module, u32 line);
-void *acpi_ut_callocate_and_track(acpi_size size,
- u32 component, char *module, u32 line);
+void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
+ u32 component, char *module, u32 line);
void
acpi_ut_free_and_track(void *address, u32 component, char *module, u32 line);
@@ -540,6 +558,11 @@ void acpi_ut_dump_allocation_info(void);
#endif /* ACPI_FUTURE_USAGE */
void acpi_ut_dump_allocations(u32 component, char *module);
+
+acpi_status
+acpi_ut_create_list(char *list_name,
+ u16 object_size, struct acpi_memory_list **return_cache);
+
#endif
#endif /* _ACUTILS_H */
diff --git a/include/acpi/amlcode.h b/include/acpi/amlcode.h
index 37964a59aef8..cf18426a87b1 100644
--- a/include/acpi/amlcode.h
+++ b/include/acpi/amlcode.h
@@ -180,8 +180,10 @@
#define AML_BANK_FIELD_OP (u16) 0x5b87
#define AML_DATA_REGION_OP (u16) 0x5b88 /* ACPI 2.0 */
-/* Bogus opcodes (they are actually two separate opcodes) */
-
+/*
+ * Combination opcodes (actually two one-byte opcodes)
+ * Used by the disassembler and i_aSL compiler
+ */
#define AML_LGREATEREQUAL_OP (u16) 0x9295
#define AML_LLESSEQUAL_OP (u16) 0x9294
#define AML_LNOTEQUAL_OP (u16) 0x9293
diff --git a/include/acpi/amlresrc.h b/include/acpi/amlresrc.h
index fb4735315ad3..be03818af9d1 100644
--- a/include/acpi/amlresrc.h
+++ b/include/acpi/amlresrc.h
@@ -42,39 +42,45 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
+/* acpisrc:struct_defs -- for acpisrc conversion */
+
#ifndef __AMLRESRC_H
#define __AMLRESRC_H
-#define ASL_RESNAME_ADDRESS "_ADR"
-#define ASL_RESNAME_ALIGNMENT "_ALN"
-#define ASL_RESNAME_ADDRESSSPACE "_ASI"
-#define ASL_RESNAME_ACCESSSIZE "_ASZ"
-#define ASL_RESNAME_TYPESPECIFICATTRIBUTES "_ATT"
-#define ASL_RESNAME_BASEADDRESS "_BAS"
-#define ASL_RESNAME_BUSMASTER "_BM_" /* Master(1), Slave(0) */
-#define ASL_RESNAME_DECODE "_DEC"
-#define ASL_RESNAME_DMA "_DMA"
-#define ASL_RESNAME_DMATYPE "_TYP" /* Compatible(0), A(1), B(2), F(3) */
-#define ASL_RESNAME_GRANULARITY "_GRA"
-#define ASL_RESNAME_INTERRUPT "_INT"
-#define ASL_RESNAME_INTERRUPTLEVEL "_LL_" /* active_lo(1), active_hi(0) */
-#define ASL_RESNAME_INTERRUPTSHARE "_SHR" /* Shareable(1), no_share(0) */
-#define ASL_RESNAME_INTERRUPTTYPE "_HE_" /* Edge(1), Level(0) */
-#define ASL_RESNAME_LENGTH "_LEN"
-#define ASL_RESNAME_MEMATTRIBUTES "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
-#define ASL_RESNAME_MEMTYPE "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
-#define ASL_RESNAME_MAXADDR "_MAX"
-#define ASL_RESNAME_MINADDR "_MIN"
-#define ASL_RESNAME_MAXTYPE "_MAF"
-#define ASL_RESNAME_MINTYPE "_MIF"
-#define ASL_RESNAME_REGISTERBITOFFSET "_RBO"
-#define ASL_RESNAME_REGISTERBITWIDTH "_RBW"
-#define ASL_RESNAME_RANGETYPE "_RNG"
-#define ASL_RESNAME_READWRITETYPE "_RW_" /* read_only(0), Writeable (1) */
-#define ASL_RESNAME_TRANSLATION "_TRA"
-#define ASL_RESNAME_TRANSTYPE "_TRS" /* Sparse(1), Dense(0) */
-#define ASL_RESNAME_TYPE "_TTP" /* Translation(1), Static (0) */
-#define ASL_RESNAME_XFERTYPE "_SIz" /* 8(0), 8_and16(1), 16(2) */
+/*
+ * Resource descriptor tags, as defined in the ACPI specification.
+ * Used to symbolically reference fields within a descriptor.
+ */
+#define ACPI_RESTAG_ADDRESS "_ADR"
+#define ACPI_RESTAG_ALIGNMENT "_ALN"
+#define ACPI_RESTAG_ADDRESSSPACE "_ASI"
+#define ACPI_RESTAG_ACCESSSIZE "_ASZ"
+#define ACPI_RESTAG_TYPESPECIFICATTRIBUTES "_ATT"
+#define ACPI_RESTAG_BASEADDRESS "_BAS"
+#define ACPI_RESTAG_BUSMASTER "_BM_" /* Master(1), Slave(0) */
+#define ACPI_RESTAG_DECODE "_DEC"
+#define ACPI_RESTAG_DMA "_DMA"
+#define ACPI_RESTAG_DMATYPE "_TYP" /* Compatible(0), A(1), B(2), F(3) */
+#define ACPI_RESTAG_GRANULARITY "_GRA"
+#define ACPI_RESTAG_INTERRUPT "_INT"
+#define ACPI_RESTAG_INTERRUPTLEVEL "_LL_" /* active_lo(1), active_hi(0) */
+#define ACPI_RESTAG_INTERRUPTSHARE "_SHR" /* Shareable(1), no_share(0) */
+#define ACPI_RESTAG_INTERRUPTTYPE "_HE_" /* Edge(1), Level(0) */
+#define ACPI_RESTAG_LENGTH "_LEN"
+#define ACPI_RESTAG_MEMATTRIBUTES "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
+#define ACPI_RESTAG_MEMTYPE "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
+#define ACPI_RESTAG_MAXADDR "_MAX"
+#define ACPI_RESTAG_MINADDR "_MIN"
+#define ACPI_RESTAG_MAXTYPE "_MAF"
+#define ACPI_RESTAG_MINTYPE "_MIF"
+#define ACPI_RESTAG_REGISTERBITOFFSET "_RBO"
+#define ACPI_RESTAG_REGISTERBITWIDTH "_RBW"
+#define ACPI_RESTAG_RANGETYPE "_RNG"
+#define ACPI_RESTAG_READWRITETYPE "_RW_" /* read_only(0), Writeable (1) */
+#define ACPI_RESTAG_TRANSLATION "_TRA"
+#define ACPI_RESTAG_TRANSTYPE "_TRS" /* Sparse(1), Dense(0) */
+#define ACPI_RESTAG_TYPE "_TTP" /* Translation(1), Static (0) */
+#define ACPI_RESTAG_XFERTYPE "_SIZ" /* 8(0), 8_and16(1), 16(2) */
/* Default sizes for "small" resource descriptors */
@@ -109,7 +115,7 @@ struct asl_resource_node {
* SMALL descriptors
*/
#define AML_RESOURCE_SMALL_HEADER_COMMON \
- u8 descriptor_type;
+ u8 descriptor_type;
struct aml_resource_small_header {
AML_RESOURCE_SMALL_HEADER_COMMON};
@@ -162,8 +168,8 @@ struct aml_resource_end_tag {
* LARGE descriptors
*/
#define AML_RESOURCE_LARGE_HEADER_COMMON \
- u8 descriptor_type;\
- u16 resource_length;
+ u8 descriptor_type;\
+ u16 resource_length;
struct aml_resource_large_header {
AML_RESOURCE_LARGE_HEADER_COMMON};
@@ -194,9 +200,9 @@ struct aml_resource_fixed_memory32 {
};
#define AML_RESOURCE_ADDRESS_COMMON \
- u8 resource_type; \
- u8 flags; \
- u8 specific_flags;
+ u8 resource_type; \
+ u8 flags; \
+ u8 specific_flags;
struct aml_resource_address {
AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON};
@@ -266,6 +272,7 @@ struct aml_resource_generic_register {
union aml_resource {
/* Descriptor headers */
+ u8 descriptor_type;
struct aml_resource_small_header small_header;
struct aml_resource_large_header large_header;
@@ -296,9 +303,9 @@ union aml_resource {
/* Utility overlays */
struct aml_resource_address address;
- u32 u32_item;
- u16 u16_item;
- u8 U8item;
+ u32 dword_item;
+ u16 word_item;
+ u8 byte_item;
};
#endif
diff --git a/include/acpi/pdc_intel.h b/include/acpi/pdc_intel.h
index 3fa81d55cd0c..c5472be6f3a2 100644
--- a/include/acpi/pdc_intel.h
+++ b/include/acpi/pdc_intel.h
@@ -18,6 +18,11 @@
ACPI_PDC_C_C1_HALT | \
ACPI_PDC_P_FFH)
+#define ACPI_PDC_EST_CAPABILITY_SWSMP (ACPI_PDC_SMP_C1PT | \
+ ACPI_PDC_C_C1_HALT | \
+ ACPI_PDC_SMP_P_SWCOORD | \
+ ACPI_PDC_P_FFH)
+
#define ACPI_PDC_C_CAPABILITY_SMP (ACPI_PDC_SMP_C2C3 | \
ACPI_PDC_SMP_C1PT | \
ACPI_PDC_C_C1_HALT)
diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
index 223ec6467108..453a469fd397 100644
--- a/include/acpi/platform/acenv.h
+++ b/include/acpi/platform/acenv.h
@@ -49,33 +49,41 @@
*/
#ifdef ACPI_LIBRARY
+/*
+ * Note: The non-debug version of the acpi_library does not contain any
+ * debug support, for minimimal size. The debug version uses ACPI_FULL_DEBUG
+ */
#define ACPI_USE_LOCAL_CACHE
#endif
-#ifdef ACPI_DUMP_APP
-#ifndef MSDOS
+#ifdef ACPI_ASL_COMPILER
#define ACPI_DEBUG_OUTPUT
-#endif
#define ACPI_APPLICATION
#define ACPI_DISASSEMBLER
-#define ACPI_NO_METHOD_EXECUTION
+#define ACPI_CONSTANT_EVAL_ONLY
+#define ACPI_LARGE_NAMESPACE_NODE
+#define ACPI_DATA_TABLE_DISASSEMBLY
#endif
#ifdef ACPI_EXEC_APP
#undef DEBUGGER_THREADING
#define DEBUGGER_THREADING DEBUGGER_SINGLE_THREADED
-#define ACPI_DEBUG_OUTPUT
+#define ACPI_FULL_DEBUG
#define ACPI_APPLICATION
#define ACPI_DEBUGGER
-#define ACPI_DISASSEMBLER
#define ACPI_MUTEX_DEBUG
+#define ACPI_DBG_TRACK_ALLOCATIONS
#endif
-#ifdef ACPI_ASL_COMPILER
+#ifdef ACPI_DASM_APP
+#ifndef MSDOS
#define ACPI_DEBUG_OUTPUT
+#endif
#define ACPI_APPLICATION
#define ACPI_DISASSEMBLER
-#define ACPI_CONSTANT_EVAL_ONLY
+#define ACPI_NO_METHOD_EXECUTION
+#define ACPI_LARGE_NAMESPACE_NODE
+#define ACPI_DATA_TABLE_DISASSEMBLY
#endif
#ifdef ACPI_APPLICATION
@@ -83,6 +91,12 @@
#define ACPI_USE_LOCAL_CACHE
#endif
+#ifdef ACPI_FULL_DEBUG
+#define ACPI_DEBUGGER
+#define ACPI_DEBUG_OUTPUT
+#define ACPI_DISASSEMBLER
+#endif
+
/*
* Environment configuration. The purpose of this file is to interface to the
* local generation environment.
@@ -137,7 +151,7 @@
#elif defined(MSDOS) /* Must appear after WIN32 and WIN64 check */
#include "acdos16.h"
-#elif defined(__FreeBSD__)
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
#include "acfreebsd.h"
#elif defined(__NetBSD__)
@@ -163,17 +177,6 @@
#endif
-/*
- * Memory allocation tracking. Used only if
- * 1) This is the debug version
- * 2) This is NOT a 16-bit version of the code (not enough real-mode memory)
- */
-#ifdef ACPI_DEBUG_OUTPUT
-#if ACPI_MACHINE_WIDTH != 16
-#define ACPI_DBG_TRACK_ALLOCATIONS
-#endif
-#endif
-
/*! [End] no source code translation !*/
/*
@@ -271,8 +274,8 @@ typedef char *va_list;
/*
* Storage alignment properties
*/
-#define _AUPBND (sizeof (acpi_native_uint) - 1)
-#define _ADNBND (sizeof (acpi_native_uint) - 1)
+#define _AUPBND (sizeof (acpi_native_int) - 1)
+#define _ADNBND (sizeof (acpi_native_int) - 1)
/*
* Variable argument list macro definitions
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 3c6a6205853a..277d35bced03 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -51,27 +51,22 @@
#include <linux/string.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/ctype.h>
#include <asm/system.h>
#include <asm/atomic.h>
#include <asm/div64.h>
#include <asm/acpi.h>
+#include <linux/slab.h>
-#define strtoul simple_strtoul
-
-#define ACPI_MACHINE_WIDTH BITS_PER_LONG
+/* Host-dependent types and defines */
-/* Type(s) for the OSL */
-
-#ifdef ACPI_USE_LOCAL_CACHE
-#define acpi_cache_t struct acpi_memory_list
-#else
-#include <linux/slab.h>
-#define acpi_cache_t kmem_cache_t
-#endif
+#define ACPI_MACHINE_WIDTH BITS_PER_LONG
+#define acpi_cache_t kmem_cache_t
+#define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
+#define strtoul simple_strtoul
/* Full namespace pathname length limit - arbitrary */
-
#define ACPI_PATHNAME_MAX 256
#else /* !__KERNEL__ */
@@ -103,4 +98,8 @@
#define acpi_cpu_flags unsigned long
+#define acpi_thread_id u32
+
+static inline acpi_thread_id acpi_os_get_thread_id(void) { return 0; }
+
#endif /* __ACLINUX_H__ */
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index ef7d83a41470..77371b3cdc44 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -2,6 +2,7 @@
#define __ACPI_PROCESSOR_H
#include <linux/kernel.h>
+#include <linux/cpu.h>
#include <asm/acpi.h>
@@ -17,6 +18,17 @@
#define ACPI_PDC_REVISION_ID 0x1
+#define ACPI_PSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
+#define ACPI_PSD_REV0_ENTRIES 5
+
+/*
+ * Types of coordination defined in ACPI 3.0. Same macros can be used across
+ * P, C and T states
+ */
+#define DOMAIN_COORD_TYPE_SW_ALL 0xfc
+#define DOMAIN_COORD_TYPE_SW_ANY 0xfd
+#define DOMAIN_COORD_TYPE_HW_ALL 0xfe
+
/* Power Management */
struct acpi_processor_cx;
@@ -65,6 +77,14 @@ struct acpi_processor_power {
/* Performance Management */
+struct acpi_psd_package {
+ acpi_integer num_entries;
+ acpi_integer revision;
+ acpi_integer domain;
+ acpi_integer coord_type;
+ acpi_integer num_processors;
+} __attribute__ ((packed));
+
struct acpi_pct_register {
u8 descriptor;
u16 length;
@@ -91,7 +111,9 @@ struct acpi_processor_performance {
struct acpi_pct_register status_register;
unsigned int state_count;
struct acpi_processor_px *states;
-
+ struct acpi_psd_package domain_info;
+ cpumask_t shared_cpu_map;
+ unsigned int shared_type;
};
/* Throttling Control */
@@ -160,6 +182,9 @@ struct acpi_processor_errata {
} piix4;
};
+extern int acpi_processor_preregister_performance(
+ struct acpi_processor_performance **performance);
+
extern int acpi_processor_register_performance(struct acpi_processor_performance
*performance, unsigned int cpu);
extern void acpi_processor_unregister_performance(struct
diff --git a/include/asm-i386/apicdef.h b/include/asm-i386/apicdef.h
index 5e4a35af2921..9f6995341fdc 100644
--- a/include/asm-i386/apicdef.h
+++ b/include/asm-i386/apicdef.h
@@ -121,7 +121,6 @@
*/
#define u32 unsigned int
-#define lapic ((volatile struct local_apic *)APIC_BASE)
struct local_apic {
diff --git a/include/asm-x86_64/acpi.h b/include/asm-x86_64/acpi.h
index aa1c7b2e438c..2c95a319c056 100644
--- a/include/asm-x86_64/acpi.h
+++ b/include/asm-x86_64/acpi.h
@@ -162,6 +162,8 @@ extern int acpi_pci_disabled;
extern u8 x86_acpiid_to_apicid[];
+#define ARCH_HAS_POWER_INIT 1
+
extern int acpi_skip_timer_override;
#endif /*__KERNEL__*/
diff --git a/include/asm-x86_64/apicdef.h b/include/asm-x86_64/apicdef.h
index 5a48e9bcf218..1dd40067c67c 100644
--- a/include/asm-x86_64/apicdef.h
+++ b/include/asm-x86_64/apicdef.h
@@ -137,8 +137,6 @@
*/
#define u32 unsigned int
-#define lapic ((volatile struct local_apic *)APIC_BASE)
-
struct local_apic {
/*000*/ struct { u32 __reserved[4]; } __reserved_01;
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 5aa95011f7e6..466fbe9e4899 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -72,6 +72,8 @@ struct cpufreq_real_policy {
struct cpufreq_policy {
cpumask_t cpus; /* affected CPUs */
+ unsigned int shared_type; /* ANY or ALL affected CPUs
+ should set cpufreq */
unsigned int cpu; /* cpu nr of registered CPU */
struct cpufreq_cpuinfo cpuinfo;/* see above */
@@ -98,6 +100,8 @@ struct cpufreq_policy {
#define CPUFREQ_INCOMPATIBLE (1)
#define CPUFREQ_NOTIFY (2)
+#define CPUFREQ_SHARED_TYPE_ALL (0) /* All dependent CPUs should set freq */
+#define CPUFREQ_SHARED_TYPE_ANY (1) /* Freq can be set from any dependent CPU */
/******************** cpufreq transition notifiers *******************/