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path: root/drivers/scsi/ipr.c
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Diffstat (limited to 'drivers/scsi/ipr.c')
-rw-r--r--drivers/scsi/ipr.c146
1 files changed, 48 insertions, 98 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 4e13797b2a4a..95123689e9d1 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -77,7 +77,6 @@
static LIST_HEAD(ipr_ioa_head);
static unsigned int ipr_log_level = IPR_DEFAULT_LOG_LEVEL;
static unsigned int ipr_max_speed = 1;
-static int ipr_testmode = 0;
static unsigned int ipr_fastfail = 0;
static unsigned int ipr_transop_timeout = 0;
static unsigned int ipr_debug = 0;
@@ -193,8 +192,6 @@ module_param_named(max_speed, ipr_max_speed, uint, 0);
MODULE_PARM_DESC(max_speed, "Maximum bus speed (0-2). Default: 1=U160. Speeds: 0=80 MB/s, 1=U160, 2=U320");
module_param_named(log_level, ipr_log_level, uint, 0);
MODULE_PARM_DESC(log_level, "Set to 0 - 4 for increasing verbosity of device driver");
-module_param_named(testmode, ipr_testmode, int, 0);
-MODULE_PARM_DESC(testmode, "DANGEROUS!!! Allows unsupported configurations");
module_param_named(fastfail, ipr_fastfail, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(fastfail, "Reduce timeouts and retries");
module_param_named(transop_timeout, ipr_transop_timeout, int, 0);
@@ -761,12 +758,14 @@ static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg,
static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg)
{
int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX);
+ int rc;
if (pcix_cmd_reg == 0)
return 0;
- if (pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD,
- &ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) {
+ rc = pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD,
+ &ioa_cfg->saved_pcix_cmd_reg);
+ if (rc != PCIBIOS_SUCCESSFUL) {
dev_err(&ioa_cfg->pdev->dev, "Failed to save PCI-X command register\n");
return -EIO;
}
@@ -785,10 +784,12 @@ static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg)
static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg)
{
int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX);
+ int rc;
if (pcix_cmd_reg) {
- if (pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD,
- ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) {
+ rc = pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD,
+ ioa_cfg->saved_pcix_cmd_reg);
+ if (rc != PCIBIOS_SUCCESSFUL) {
dev_err(&ioa_cfg->pdev->dev, "Failed to setup PCI-X command register\n");
return -EIO;
}
@@ -872,7 +873,7 @@ static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg)
ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH,
IPR_IOASC_IOA_WAS_RESET);
- del_timer(&ipr_cmd->timer);
+ timer_delete(&ipr_cmd->timer);
ipr_cmd->done(ipr_cmd);
}
spin_unlock(&hrrq->_lock);
@@ -2588,7 +2589,7 @@ static void ipr_process_error(struct ipr_cmnd *ipr_cmd)
**/
static void ipr_timeout(struct timer_list *t)
{
- struct ipr_cmnd *ipr_cmd = from_timer(ipr_cmd, t, timer);
+ struct ipr_cmnd *ipr_cmd = timer_container_of(ipr_cmd, t, timer);
unsigned long lock_flags = 0;
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
@@ -2621,7 +2622,7 @@ static void ipr_timeout(struct timer_list *t)
**/
static void ipr_oper_timeout(struct timer_list *t)
{
- struct ipr_cmnd *ipr_cmd = from_timer(ipr_cmd, t, timer);
+ struct ipr_cmnd *ipr_cmd = timer_container_of(ipr_cmd, t, timer);
unsigned long lock_flags = 0;
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
@@ -3365,7 +3366,7 @@ static void ipr_worker_thread(struct work_struct *work)
* number of bytes printed to buffer
**/
static ssize_t ipr_read_trace(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
+ const struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct device *dev = kobj_to_dev(kobj);
@@ -3382,7 +3383,7 @@ static ssize_t ipr_read_trace(struct file *filp, struct kobject *kobj,
return ret;
}
-static struct bin_attribute ipr_trace_attr = {
+static const struct bin_attribute ipr_trace_attr = {
.attr = {
.name = "trace",
.mode = S_IRUGO,
@@ -4086,7 +4087,7 @@ static struct device_attribute ipr_ioa_fw_type_attr = {
};
static ssize_t ipr_read_async_err_log(struct file *filep, struct kobject *kobj,
- struct bin_attribute *bin_attr, char *buf,
+ const struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
struct device *cdev = kobj_to_dev(kobj);
@@ -4110,7 +4111,7 @@ static ssize_t ipr_read_async_err_log(struct file *filep, struct kobject *kobj,
}
static ssize_t ipr_next_async_err_log(struct file *filep, struct kobject *kobj,
- struct bin_attribute *bin_attr, char *buf,
+ const struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
struct device *cdev = kobj_to_dev(kobj);
@@ -4133,7 +4134,7 @@ static ssize_t ipr_next_async_err_log(struct file *filep, struct kobject *kobj,
return count;
}
-static struct bin_attribute ipr_ioa_async_err_log = {
+static const struct bin_attribute ipr_ioa_async_err_log = {
.attr = {
.name = "async_err_log",
.mode = S_IRUGO | S_IWUSR,
@@ -4171,7 +4172,7 @@ ATTRIBUTE_GROUPS(ipr_ioa);
* number of bytes printed to buffer
**/
static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
+ const struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct device *cdev = kobj_to_dev(kobj);
@@ -4280,11 +4281,11 @@ static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg)
}
if (ioa_cfg->sis64)
- ioa_data = vmalloc(array_size(IPR_FMT3_MAX_NUM_DUMP_PAGES,
- sizeof(__be32 *)));
+ ioa_data = vmalloc_array(IPR_FMT3_MAX_NUM_DUMP_PAGES,
+ sizeof(__be32 *));
else
- ioa_data = vmalloc(array_size(IPR_FMT2_MAX_NUM_DUMP_PAGES,
- sizeof(__be32 *)));
+ ioa_data = vmalloc_array(IPR_FMT2_MAX_NUM_DUMP_PAGES,
+ sizeof(__be32 *));
if (!ioa_data) {
ipr_err("Dump memory allocation failed\n");
@@ -4360,7 +4361,7 @@ static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg)
* number of bytes printed to buffer
**/
static ssize_t ipr_write_dump(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
+ const struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct device *cdev = kobj_to_dev(kobj);
@@ -4384,7 +4385,7 @@ static ssize_t ipr_write_dump(struct file *filp, struct kobject *kobj,
return count;
}
-static struct bin_attribute ipr_dump_attr = {
+static const struct bin_attribute ipr_dump_attr = {
.attr = {
.name = "dump",
.mode = S_IRUSR | S_IWUSR,
@@ -4643,10 +4644,10 @@ ATTRIBUTE_GROUPS(ipr_dev);
/**
* ipr_biosparam - Return the HSC mapping
- * @sdev: scsi device struct
- * @block_device: block device pointer
+ * @sdev: scsi device struct
+ * @unused: gendisk pointer
* @capacity: capacity of the device
- * @parm: Array containing returned HSC values.
+ * @parm: Array containing returned HSC values.
*
* This function generates the HSC parms that fdisk uses.
* We want to make sure we return something that places partitions
@@ -4656,7 +4657,7 @@ ATTRIBUTE_GROUPS(ipr_dev);
* 0 on success
**/
static int ipr_biosparam(struct scsi_device *sdev,
- struct block_device *block_device,
+ struct gendisk *unused,
sector_t capacity, int *parm)
{
int heads, sectors;
@@ -4744,13 +4745,13 @@ static struct ipr_resource_entry *ipr_find_sdev(struct scsi_device *sdev)
}
/**
- * ipr_slave_destroy - Unconfigure a SCSI device
+ * ipr_sdev_destroy - Unconfigure a SCSI device
* @sdev: scsi device struct
*
* Return value:
* nothing
**/
-static void ipr_slave_destroy(struct scsi_device *sdev)
+static void ipr_sdev_destroy(struct scsi_device *sdev)
{
struct ipr_resource_entry *res;
struct ipr_ioa_cfg *ioa_cfg;
@@ -4768,15 +4769,17 @@ static void ipr_slave_destroy(struct scsi_device *sdev)
}
/**
- * ipr_slave_configure - Configure a SCSI device
+ * ipr_sdev_configure - Configure a SCSI device
* @sdev: scsi device struct
+ * @lim: queue limits
*
* This function configures the specified scsi device.
*
* Return value:
* 0 on success
**/
-static int ipr_slave_configure(struct scsi_device *sdev)
+static int ipr_sdev_configure(struct scsi_device *sdev,
+ struct queue_limits *lim)
{
struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata;
struct ipr_resource_entry *res;
@@ -4797,7 +4800,7 @@ static int ipr_slave_configure(struct scsi_device *sdev)
sdev->no_report_opcodes = 1;
blk_queue_rq_timeout(sdev->request_queue,
IPR_VSET_RW_TIMEOUT);
- blk_queue_max_hw_sectors(sdev->request_queue, IPR_VSET_MAX_SECTORS);
+ lim->max_hw_sectors = IPR_VSET_MAX_SECTORS;
}
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
@@ -4812,7 +4815,7 @@ static int ipr_slave_configure(struct scsi_device *sdev)
}
/**
- * ipr_slave_alloc - Prepare for commands to a device.
+ * ipr_sdev_init - Prepare for commands to a device.
* @sdev: scsi device struct
*
* This function saves a pointer to the resource entry
@@ -4823,7 +4826,7 @@ static int ipr_slave_configure(struct scsi_device *sdev)
* Return value:
* 0 on success / -ENXIO if device does not exist
**/
-static int ipr_slave_alloc(struct scsi_device *sdev)
+static int ipr_sdev_init(struct scsi_device *sdev)
{
struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata;
struct ipr_resource_entry *res;
@@ -5148,7 +5151,7 @@ static void ipr_bus_reset_done(struct ipr_cmnd *ipr_cmd)
**/
static void ipr_abort_timeout(struct timer_list *t)
{
- struct ipr_cmnd *ipr_cmd = from_timer(ipr_cmd, t, timer);
+ struct ipr_cmnd *ipr_cmd = timer_container_of(ipr_cmd, t, timer);
struct ipr_cmnd *reset_cmd;
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
struct ipr_cmd_pkt *cmd_pkt;
@@ -5344,7 +5347,7 @@ static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg,
writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg);
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
list_del(&ioa_cfg->reset_cmd->queue);
- del_timer(&ioa_cfg->reset_cmd->timer);
+ timer_delete(&ioa_cfg->reset_cmd->timer);
ipr_reset_ioa_job(ioa_cfg->reset_cmd);
return IRQ_HANDLED;
}
@@ -5359,7 +5362,7 @@ static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg,
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg);
list_del(&ioa_cfg->reset_cmd->queue);
- del_timer(&ioa_cfg->reset_cmd->timer);
+ timer_delete(&ioa_cfg->reset_cmd->timer);
ipr_reset_ioa_job(ioa_cfg->reset_cmd);
} else if ((int_reg & IPR_PCII_HRRQ_UPDATED) == int_reg) {
if (ioa_cfg->clear_isr) {
@@ -5478,7 +5481,7 @@ static int ipr_iopoll(struct irq_poll *iop, int budget)
list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) {
list_del(&ipr_cmd->queue);
- del_timer(&ipr_cmd->timer);
+ timer_delete(&ipr_cmd->timer);
ipr_cmd->fast_done(ipr_cmd);
}
@@ -5547,7 +5550,7 @@ static irqreturn_t ipr_isr(int irq, void *devp)
spin_unlock_irqrestore(hrrq->lock, hrrq_flags);
list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) {
list_del(&ipr_cmd->queue);
- del_timer(&ipr_cmd->timer);
+ timer_delete(&ipr_cmd->timer);
ipr_cmd->fast_done(ipr_cmd);
}
return rc;
@@ -5597,7 +5600,7 @@ static irqreturn_t ipr_isr_mhrrq(int irq, void *devp)
list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) {
list_del(&ipr_cmd->queue);
- del_timer(&ipr_cmd->timer);
+ timer_delete(&ipr_cmd->timer);
ipr_cmd->fast_done(ipr_cmd);
}
return rc;
@@ -6395,9 +6398,9 @@ static const struct scsi_host_template driver_template = {
.eh_abort_handler = ipr_eh_abort,
.eh_device_reset_handler = ipr_eh_dev_reset,
.eh_host_reset_handler = ipr_eh_host_reset,
- .slave_alloc = ipr_slave_alloc,
- .slave_configure = ipr_slave_configure,
- .slave_destroy = ipr_slave_destroy,
+ .sdev_init = ipr_sdev_init,
+ .sdev_configure = ipr_sdev_configure,
+ .sdev_destroy = ipr_sdev_destroy,
.scan_finished = ipr_scan_finished,
.target_destroy = ipr_target_destroy,
.change_queue_depth = ipr_change_queue_depth,
@@ -6412,45 +6415,6 @@ static const struct scsi_host_template driver_template = {
.proc_name = IPR_NAME,
};
-#ifdef CONFIG_PPC_PSERIES
-static const u16 ipr_blocked_processors[] = {
- PVR_NORTHSTAR,
- PVR_PULSAR,
- PVR_POWER4,
- PVR_ICESTAR,
- PVR_SSTAR,
- PVR_POWER4p,
- PVR_630,
- PVR_630p
-};
-
-/**
- * ipr_invalid_adapter - Determine if this adapter is supported on this hardware
- * @ioa_cfg: ioa cfg struct
- *
- * Adapters that use Gemstone revision < 3.1 do not work reliably on
- * certain pSeries hardware. This function determines if the given
- * adapter is in one of these confgurations or not.
- *
- * Return value:
- * 1 if adapter is not supported / 0 if adapter is supported
- **/
-static int ipr_invalid_adapter(struct ipr_ioa_cfg *ioa_cfg)
-{
- int i;
-
- if ((ioa_cfg->type == 0x5702) && (ioa_cfg->pdev->revision < 4)) {
- for (i = 0; i < ARRAY_SIZE(ipr_blocked_processors); i++) {
- if (pvr_version_is(ipr_blocked_processors[i]))
- return 1;
- }
- }
- return 0;
-}
-#else
-#define ipr_invalid_adapter(ioa_cfg) 0
-#endif
-
/**
* ipr_ioa_bringdown_done - IOA bring down completion.
* @ipr_cmd: ipr command struct
@@ -7381,19 +7345,6 @@ static int ipr_ioafp_page0_inquiry(struct ipr_cmnd *ipr_cmd)
type[4] = '\0';
ioa_cfg->type = simple_strtoul((char *)type, NULL, 16);
- if (ipr_invalid_adapter(ioa_cfg)) {
- dev_err(&ioa_cfg->pdev->dev,
- "Adapter not supported in this hardware configuration.\n");
-
- if (!ipr_testmode) {
- ioa_cfg->reset_retries += IPR_NUM_RESET_RELOAD_RETRIES;
- ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE);
- list_add_tail(&ipr_cmd->queue,
- &ioa_cfg->hrrq->hrrq_free_q);
- return IPR_RC_JOB_RETURN;
- }
- }
-
ipr_cmd->job_step = ipr_ioafp_page3_inquiry;
ipr_ioafp_inquiry(ipr_cmd, 1, 0,
@@ -7525,7 +7476,7 @@ static int ipr_ioafp_identify_hrrq(struct ipr_cmnd *ipr_cmd)
**/
static void ipr_reset_timer_done(struct timer_list *t)
{
- struct ipr_cmnd *ipr_cmd = from_timer(ipr_cmd, t, timer);
+ struct ipr_cmnd *ipr_cmd = timer_container_of(ipr_cmd, t, timer);
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
unsigned long lock_flags = 0;
@@ -7908,7 +7859,6 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd)
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
ENTER;
- ioa_cfg->pdev->state_saved = true;
pci_restore_state(ioa_cfg->pdev);
if (ipr_set_pcix_cmd_reg(ioa_cfg)) {
@@ -9514,7 +9464,7 @@ static int ipr_probe_ioa(struct pci_dev *pdev,
ipr_number_of_msix = IPR_MAX_MSIX_VECTORS;
}
- irq_flag = PCI_IRQ_LEGACY;
+ irq_flag = PCI_IRQ_INTX;
if (ioa_cfg->ipr_chip->has_msi)
irq_flag |= PCI_IRQ_MSI | PCI_IRQ_MSIX;
rc = pci_alloc_irq_vectors(pdev, 1, ipr_number_of_msix, irq_flag);
@@ -9893,7 +9843,7 @@ static void ipr_shutdown(struct pci_dev *pdev)
}
}
-static struct pci_device_id ipr_pci_table[] = {
+static const struct pci_device_id ipr_pci_table[] = {
{ PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE,
PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5702, 0, 0, 0 },
{ PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE,