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authorCorey Minyard <cminyard@mvista.com>2017-09-12 22:28:49 -0500
committerCorey Minyard <cminyard@mvista.com>2017-09-27 16:03:45 -0500
commit44814ec982d2905d50fe4d0cdaf693b76afe7f64 (patch)
treeb7ce3392fde9e9ff2efcdaaa2b2fc529d93df132 /drivers/char/ipmi/ipmi_si_intf.c
parentbb398a4cb09a0ed96cf0fc2e90012cf6bf13a824 (diff)
ipmi_si: Move the hotmod handling to another file.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Diffstat (limited to 'drivers/char/ipmi/ipmi_si_intf.c')
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c261
1 files changed, 18 insertions, 243 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 6c2e14af8321..02e263b2152a 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1310,13 +1310,6 @@ static unsigned int num_slave_addrs;
static const char * const addr_space_to_str[] = { "i/o", "mem" };
-static int hotmod_handler(const char *val, struct kernel_param *kp);
-
-module_param_call(hotmod, hotmod_handler, NULL, NULL, 0200);
-MODULE_PARM_DESC(hotmod, "Add and remove interfaces. See"
- " Documentation/IPMI.txt in the kernel sources for the"
- " gory details.");
-
#ifdef CONFIG_ACPI
module_param_named(tryacpi, si_tryacpi, bool, 0);
MODULE_PARM_DESC(tryacpi, "Setting this to zero will disable the"
@@ -1689,86 +1682,6 @@ static int mem_setup(struct si_sm_io *io)
return 0;
}
-/*
- * Parms come in as <op1>[:op2[:op3...]]. ops are:
- * add|remove,kcs|bt|smic,mem|i/o,<address>[,<opt1>[,<opt2>[,...]]]
- * Options are:
- * rsp=<regspacing>
- * rsi=<regsize>
- * rsh=<regshift>
- * irq=<irq>
- * ipmb=<ipmb addr>
- */
-enum hotmod_op { HM_ADD, HM_REMOVE };
-struct hotmod_vals {
- const char *name;
- const int val;
-};
-
-static const struct hotmod_vals hotmod_ops[] = {
- { "add", HM_ADD },
- { "remove", HM_REMOVE },
- { NULL }
-};
-
-static const struct hotmod_vals hotmod_si[] = {
- { "kcs", SI_KCS },
- { "smic", SI_SMIC },
- { "bt", SI_BT },
- { NULL }
-};
-
-static const struct hotmod_vals hotmod_as[] = {
- { "mem", IPMI_MEM_ADDR_SPACE },
- { "i/o", IPMI_IO_ADDR_SPACE },
- { NULL }
-};
-
-static int parse_str(const struct hotmod_vals *v, int *val, char *name,
- char **curr)
-{
- char *s;
- int i;
-
- s = strchr(*curr, ',');
- if (!s) {
- pr_warn(PFX "No hotmod %s given.\n", name);
- return -EINVAL;
- }
- *s = '\0';
- s++;
- for (i = 0; v[i].name; i++) {
- if (strcmp(*curr, v[i].name) == 0) {
- *val = v[i].val;
- *curr = s;
- return 0;
- }
- }
-
- pr_warn(PFX "Invalid hotmod %s '%s'\n", name, *curr);
- return -EINVAL;
-}
-
-static int check_hotmod_int_op(const char *curr, const char *option,
- const char *name, int *val)
-{
- char *n;
-
- if (strcmp(curr, name) == 0) {
- if (!option) {
- pr_warn(PFX "No option given for '%s'\n", curr);
- return -EINVAL;
- }
- *val = simple_strtoul(option, &n, 0);
- if ((*n != '\0') || (*option == '\0')) {
- pr_warn(PFX "Bad option given for '%s'\n", curr);
- return -EINVAL;
- }
- return 1;
- }
- return 0;
-}
-
static struct smi_info *smi_info_alloc(void)
{
struct smi_info *info = kzalloc(sizeof(*info), GFP_KERNEL);
@@ -1778,162 +1691,6 @@ static struct smi_info *smi_info_alloc(void)
return info;
}
-static int hotmod_handler(const char *val, struct kernel_param *kp)
-{
- char *str = kstrdup(val, GFP_KERNEL);
- int rv;
- char *next, *curr, *s, *n, *o;
- enum hotmod_op op;
- enum si_type si_type;
- int addr_space;
- unsigned long addr;
- int regspacing;
- int regsize;
- int regshift;
- int irq;
- int ipmb;
- int ival;
- int len;
-
- if (!str)
- return -ENOMEM;
-
- /* Kill any trailing spaces, as we can get a "\n" from echo. */
- len = strlen(str);
- ival = len - 1;
- while ((ival >= 0) && isspace(str[ival])) {
- str[ival] = '\0';
- ival--;
- }
-
- for (curr = str; curr; curr = next) {
- regspacing = 1;
- regsize = 1;
- regshift = 0;
- irq = 0;
- ipmb = 0; /* Choose the default if not specified */
-
- next = strchr(curr, ':');
- if (next) {
- *next = '\0';
- next++;
- }
-
- rv = parse_str(hotmod_ops, &ival, "operation", &curr);
- if (rv)
- break;
- op = ival;
-
- rv = parse_str(hotmod_si, &ival, "interface type", &curr);
- if (rv)
- break;
- si_type = ival;
-
- rv = parse_str(hotmod_as, &addr_space, "address space", &curr);
- if (rv)
- break;
-
- s = strchr(curr, ',');
- if (s) {
- *s = '\0';
- s++;
- }
- addr = simple_strtoul(curr, &n, 0);
- if ((*n != '\0') || (*curr == '\0')) {
- pr_warn(PFX "Invalid hotmod address '%s'\n", curr);
- break;
- }
-
- while (s) {
- curr = s;
- s = strchr(curr, ',');
- if (s) {
- *s = '\0';
- s++;
- }
- o = strchr(curr, '=');
- if (o) {
- *o = '\0';
- o++;
- }
- rv = check_hotmod_int_op(curr, o, "rsp", &regspacing);
- if (rv < 0)
- goto out;
- else if (rv)
- continue;
- rv = check_hotmod_int_op(curr, o, "rsi", &regsize);
- if (rv < 0)
- goto out;
- else if (rv)
- continue;
- rv = check_hotmod_int_op(curr, o, "rsh", &regshift);
- if (rv < 0)
- goto out;
- else if (rv)
- continue;
- rv = check_hotmod_int_op(curr, o, "irq", &irq);
- if (rv < 0)
- goto out;
- else if (rv)
- continue;
- rv = check_hotmod_int_op(curr, o, "ipmb", &ipmb);
- if (rv < 0)
- goto out;
- else if (rv)
- continue;
-
- rv = -EINVAL;
- pr_warn(PFX "Invalid hotmod option '%s'\n", curr);
- goto out;
- }
-
- if (op == HM_ADD) {
- struct si_sm_io io;
-
- memset(&io, 0, sizeof(io));
- io.addr_source = SI_HOTMOD;
- io.si_type = si_type;
- io.addr_data = addr;
- io.addr_type = addr_space;
-
- io.addr = NULL;
- io.regspacing = regspacing;
- if (!io.regspacing)
- io.regspacing = DEFAULT_REGSPACING;
- io.regsize = regsize;
- if (!io.regsize)
- io.regsize = DEFAULT_REGSIZE;
- io.regshift = regshift;
- io.irq = irq;
- if (io.irq)
- io.irq_setup = ipmi_std_irq_setup;
- io.slave_addr = ipmb;
-
- rv = ipmi_si_add_smi(&io);
- if (rv)
- goto out;
- } else {
- /* remove */
- struct smi_info *e, *tmp_e;
-
- mutex_lock(&smi_infos_lock);
- list_for_each_entry_safe(e, tmp_e, &smi_infos, link) {
- if (e->io.addr_type != addr_space)
- continue;
- if (e->io.si_type != si_type)
- continue;
- if (e->io.addr_data == addr)
- cleanup_one_si(e);
- }
- mutex_unlock(&smi_infos_lock);
- }
- }
- rv = len;
-out:
- kfree(str);
- return rv;
-}
-
static int hardcode_find_bmc(void)
{
int ret = -ENODEV;
@@ -3779,6 +3536,24 @@ int ipmi_si_remove_by_dev(struct device *dev)
return rv;
}
+void ipmi_si_remove_by_data(int addr_space, enum si_type si_type,
+ unsigned long addr)
+{
+ /* remove */
+ struct smi_info *e, *tmp_e;
+
+ mutex_lock(&smi_infos_lock);
+ list_for_each_entry_safe(e, tmp_e, &smi_infos, link) {
+ if (e->io.addr_type != addr_space)
+ continue;
+ if (e->io.si_type != si_type)
+ continue;
+ if (e->io.addr_data == addr)
+ cleanup_one_si(e);
+ }
+ mutex_unlock(&smi_infos_lock);
+}
+
static void cleanup_ipmi_si(void)
{
struct smi_info *e, *tmp_e;