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path: root/drivers/message/fusion/mptbase.c
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Diffstat (limited to 'drivers/message/fusion/mptbase.c')
-rw-r--r--drivers/message/fusion/mptbase.c173
1 files changed, 131 insertions, 42 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 3e57b61ca44..ebc0af7d769 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -63,6 +63,8 @@
#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
#endif
+#include <linux/kthread.h>
+#include <scsi/scsi_host.h>
#include "mptbase.h"
#include "lsi/mpi_log_fc.h"
@@ -83,19 +85,18 @@ MODULE_VERSION(my_VERSION);
static int mpt_msi_enable_spi;
module_param(mpt_msi_enable_spi, int, 0);
-MODULE_PARM_DESC(mpt_msi_enable_spi, " Enable MSI Support for SPI \
- controllers (default=0)");
+MODULE_PARM_DESC(mpt_msi_enable_spi,
+ " Enable MSI Support for SPI controllers (default=0)");
static int mpt_msi_enable_fc;
module_param(mpt_msi_enable_fc, int, 0);
-MODULE_PARM_DESC(mpt_msi_enable_fc, " Enable MSI Support for FC \
- controllers (default=0)");
+MODULE_PARM_DESC(mpt_msi_enable_fc,
+ " Enable MSI Support for FC controllers (default=0)");
static int mpt_msi_enable_sas;
module_param(mpt_msi_enable_sas, int, 0);
-MODULE_PARM_DESC(mpt_msi_enable_sas, " Enable MSI Support for SAS \
- controllers (default=0)");
-
+MODULE_PARM_DESC(mpt_msi_enable_sas,
+ " Enable MSI Support for SAS controllers (default=0)");
static int mpt_channel_mapping;
module_param(mpt_channel_mapping, int, 0);
@@ -105,17 +106,17 @@ static int mpt_debug_level;
static int mpt_set_debug_level(const char *val, struct kernel_param *kp);
module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int,
&mpt_debug_level, 0600);
-MODULE_PARM_DESC(mpt_debug_level, " debug level - refer to mptdebug.h \
- - (default=0)");
+MODULE_PARM_DESC(mpt_debug_level,
+ " debug level - refer to mptdebug.h - (default=0)");
int mpt_fwfault_debug;
EXPORT_SYMBOL(mpt_fwfault_debug);
module_param(mpt_fwfault_debug, int, 0600);
-MODULE_PARM_DESC(mpt_fwfault_debug, "Enable detection of Firmware fault"
- " and halt Firmware on fault - (default=0)");
-
+MODULE_PARM_DESC(mpt_fwfault_debug,
+ "Enable detection of Firmware fault and halt Firmware on fault - (default=0)");
-static char MptCallbacksName[MPT_MAX_PROTOCOL_DRIVERS][50];
+static char MptCallbacksName[MPT_MAX_PROTOCOL_DRIVERS]
+ [MPT_MAX_CALLBACKNAME_LEN+1];
#ifdef MFCNT
static int mfcounter = 0;
@@ -325,6 +326,32 @@ mpt_is_discovery_complete(MPT_ADAPTER *ioc)
return rc;
}
+
+/**
+ * mpt_remove_dead_ioc_func - kthread context to remove dead ioc
+ * @arg: input argument, used to derive ioc
+ *
+ * Return 0 if controller is removed from pci subsystem.
+ * Return -1 for other case.
+ */
+static int mpt_remove_dead_ioc_func(void *arg)
+{
+ MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg;
+ struct pci_dev *pdev;
+
+ if ((ioc == NULL))
+ return -1;
+
+ pdev = ioc->pcidev;
+ if ((pdev == NULL))
+ return -1;
+
+ pci_stop_and_remove_bus_device_locked(pdev);
+ return 0;
+}
+
+
+
/**
* mpt_fault_reset_work - work performed on workq after ioc fault
* @work: input argument, used to derive ioc
@@ -338,12 +365,45 @@ mpt_fault_reset_work(struct work_struct *work)
u32 ioc_raw_state;
int rc;
unsigned long flags;
+ MPT_SCSI_HOST *hd;
+ struct task_struct *p;
if (ioc->ioc_reset_in_progress || !ioc->active)
goto out;
+
ioc_raw_state = mpt_GetIocState(ioc, 0);
- if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
+ if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_MASK) {
+ printk(MYIOC_s_INFO_FMT "%s: IOC is non-operational !!!!\n",
+ ioc->name, __func__);
+
+ /*
+ * Call mptscsih_flush_pending_cmds callback so that we
+ * flush all pending commands back to OS.
+ * This call is required to aovid deadlock at block layer.
+ * Dead IOC will fail to do diag reset,and this call is safe
+ * since dead ioc will never return any command back from HW.
+ */
+ hd = shost_priv(ioc->sh);
+ ioc->schedule_dead_ioc_flush_running_cmds(hd);
+
+ /*Remove the Dead Host */
+ p = kthread_run(mpt_remove_dead_ioc_func, ioc,
+ "mpt_dead_ioc_%d", ioc->id);
+ if (IS_ERR(p)) {
+ printk(MYIOC_s_ERR_FMT
+ "%s: Running mpt_dead_ioc thread failed !\n",
+ ioc->name, __func__);
+ } else {
+ printk(MYIOC_s_WARN_FMT
+ "%s: Running mpt_dead_ioc thread success !\n",
+ ioc->name, __func__);
+ }
+ return; /* don't rearm timer */
+ }
+
+ if ((ioc_raw_state & MPI_IOC_STATE_MASK)
+ == MPI_IOC_STATE_FAULT) {
printk(MYIOC_s_WARN_FMT "IOC is in FAULT state (%04xh)!!!\n",
ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK);
printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
@@ -658,8 +718,8 @@ mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass, char *func_name)
MptDriverClass[cb_idx] = dclass;
MptEvHandlers[cb_idx] = NULL;
last_drv_idx = cb_idx;
- memcpy(MptCallbacksName[cb_idx], func_name,
- strlen(func_name) > 50 ? 50 : strlen(func_name));
+ strlcpy(MptCallbacksName[cb_idx], func_name,
+ MPT_MAX_CALLBACKNAME_LEN+1);
break;
}
}
@@ -977,7 +1037,7 @@ mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
goto out;
/* signature to know if this mf is freed */
mf->u.frame.linkage.arg1 = cpu_to_le32(0xdeadbeaf);
- list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
+ list_add(&mf->u.frame.linkage.list, &ioc->FreeQ);
#ifdef MFCNT
ioc->mfcnt--;
#endif
@@ -1593,7 +1653,6 @@ mpt_mapresources(MPT_ADAPTER *ioc)
unsigned long port;
u32 msize;
u32 psize;
- u8 revision;
int r = -ENODEV;
struct pci_dev *pdev;
@@ -1607,11 +1666,9 @@ mpt_mapresources(MPT_ADAPTER *ioc)
if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) {
printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with "
"MEM failed\n", ioc->name);
- return r;
+ goto out_pci_disable_device;
}
- pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
-
if (sizeof(dma_addr_t) > 4) {
const uint64_t required_mask = dma_get_required_mask
(&pdev->dev);
@@ -1633,8 +1690,7 @@ mpt_mapresources(MPT_ADAPTER *ioc)
} else {
printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
ioc->name, pci_name(pdev));
- pci_release_selected_regions(pdev, ioc->bars);
- return r;
+ goto out_pci_release_region;
}
} else {
if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
@@ -1647,8 +1703,7 @@ mpt_mapresources(MPT_ADAPTER *ioc)
} else {
printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
ioc->name, pci_name(pdev));
- pci_release_selected_regions(pdev, ioc->bars);
- return r;
+ goto out_pci_release_region;
}
}
@@ -1678,8 +1733,8 @@ mpt_mapresources(MPT_ADAPTER *ioc)
if (mem == NULL) {
printk(MYIOC_s_ERR_FMT ": ERROR - Unable to map adapter"
" memory!\n", ioc->name);
- pci_release_selected_regions(pdev, ioc->bars);
- return -EINVAL;
+ r = -EINVAL;
+ goto out_pci_release_region;
}
ioc->memmap = mem;
dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %llx\n",
@@ -1693,6 +1748,12 @@ mpt_mapresources(MPT_ADAPTER *ioc)
ioc->pio_chip = (SYSIF_REGS __iomem *)port;
return 0;
+
+out_pci_release_region:
+ pci_release_selected_regions(pdev, ioc->bars);
+out_pci_disable_device:
+ pci_disable_device(pdev);
+ return r;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -1719,7 +1780,6 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
MPT_ADAPTER *ioc;
u8 cb_idx;
int r = -ENODEV;
- u8 revision;
u8 pcixcmd;
static int mpt_ids = 0;
#ifdef CONFIG_PROC_FS
@@ -1827,8 +1887,8 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "facts @ %p, pfacts[0] @ %p\n",
ioc->name, &ioc->facts, &ioc->pfacts[0]));
- pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
- mpt_get_product_name(pdev->vendor, pdev->device, revision, ioc->prod_name);
+ mpt_get_product_name(pdev->vendor, pdev->device, pdev->revision,
+ ioc->prod_name);
switch (pdev->device)
{
@@ -1843,7 +1903,7 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
break;
case MPI_MANUFACTPAGE_DEVICEID_FC929X:
- if (revision < XL_929) {
+ if (pdev->revision < XL_929) {
/* 929X Chip Fix. Set Split transactions level
* for PCIX. Set MOST bits to zero.
*/
@@ -1874,7 +1934,7 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
/* 1030 Chip Fix. Disable Split transactions
* for PCIX. Set MOST bits to zero if Rev < C0( = 8).
*/
- if (revision < C0_1030) {
+ if (pdev->revision < C0_1030) {
pci_read_config_byte(pdev, 0x6a, &pcixcmd);
pcixcmd &= 0x8F;
pci_write_config_byte(pdev, 0x6a, pcixcmd);
@@ -3435,7 +3495,7 @@ SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
* If memory has already been allocated, the same (cached) value
* is returned.
*
- * Return 0 if successfull, or non-zero for failure
+ * Return 0 if successful, or non-zero for failure
**/
int
mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size)
@@ -6415,8 +6475,20 @@ mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
pReq->Action, ioc->mptbase_cmds.status, timeleft));
if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
goto out;
- if (!timeleft)
+ if (!timeleft) {
+ spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+ if (ioc->ioc_reset_in_progress) {
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock,
+ flags);
+ printk(MYIOC_s_INFO_FMT "%s: host reset in"
+ " progress mpt_config timed out.!!\n",
+ __func__, ioc->name);
+ mutex_unlock(&ioc->mptbase_cmds.mutex);
+ return -EFAULT;
+ }
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
issue_hard_reset = 1;
+ }
goto out;
}
@@ -6584,7 +6656,7 @@ static int mpt_summary_proc_show(struct seq_file *m, void *v)
static int mpt_summary_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, mpt_summary_proc_show, PDE(inode)->data);
+ return single_open(file, mpt_summary_proc_show, PDE_DATA(inode));
}
static const struct file_operations mpt_summary_proc_fops = {
@@ -6733,7 +6805,7 @@ static int mpt_iocinfo_proc_show(struct seq_file *m, void *v)
static int mpt_iocinfo_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, mpt_iocinfo_proc_show, PDE(inode)->data);
+ return single_open(file, mpt_iocinfo_proc_show, PDE_DATA(inode));
}
static const struct file_operations mpt_iocinfo_proc_fops = {
@@ -6932,7 +7004,7 @@ EXPORT_SYMBOL(mpt_halt_firmware);
* Message Unit Reset - instructs the IOC to reset the Reply Post and
* Free FIFO's. All the Message Frames on Reply Free FIFO are discarded.
* All posted buffers are freed, and event notification is turned off.
- * IOC doesnt reply to any outstanding request. This will transfer IOC
+ * IOC doesn't reply to any outstanding request. This will transfer IOC
* to READY state.
**/
int
@@ -7130,7 +7202,18 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
if (ioc->ioc_reset_in_progress) {
spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
- return 0;
+ ioc->wait_on_reset_completion = 1;
+ do {
+ ssleep(1);
+ } while (ioc->ioc_reset_in_progress == 1);
+ ioc->wait_on_reset_completion = 0;
+ return ioc->reset_status;
+ }
+ if (ioc->wait_on_reset_completion) {
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+ rc = 0;
+ time_count = jiffies;
+ goto exit;
}
ioc->ioc_reset_in_progress = 1;
if (ioc->alt_ioc)
@@ -7167,6 +7250,7 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
ioc->ioc_reset_in_progress = 0;
ioc->taskmgmt_quiesce_io = 0;
ioc->taskmgmt_in_progress = 0;
+ ioc->reset_status = rc;
if (ioc->alt_ioc) {
ioc->alt_ioc->ioc_reset_in_progress = 0;
ioc->alt_ioc->taskmgmt_quiesce_io = 0;
@@ -7182,7 +7266,7 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
ioc->alt_ioc, MPT_IOC_POST_RESET);
}
}
-
+exit:
dtmprintk(ioc,
printk(MYIOC_s_DEBUG_FMT
"HardResetHandler: completed (%d seconds): %s\n", ioc->name,
@@ -7418,7 +7502,12 @@ mpt_display_event_info(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply)
case MPI_EVENT_SAS_PLS_LR_RATE_3_0:
snprintf(evStr, EVENT_DESCR_STR_SZ,
"SAS PHY Link Status: Phy=%d:"
- " Rate 3.0 Gpbs",PhyNumber);
+ " Rate 3.0 Gbps", PhyNumber);
+ break;
+ case MPI_EVENT_SAS_PLS_LR_RATE_6_0:
+ snprintf(evStr, EVENT_DESCR_STR_SZ,
+ "SAS PHY Link Status: Phy=%d:"
+ " Rate 6.0 Gbps", PhyNumber);
break;
default:
snprintf(evStr, EVENT_DESCR_STR_SZ,
@@ -7900,7 +7989,7 @@ mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
"Owner", /* 15h */
"Open Transmit DMA Abort", /* 16h */
"IO Device Missing Delay Retry", /* 17h */
- "IO Cancelled Due to Recieve Error", /* 18h */
+ "IO Cancelled Due to Receive Error", /* 18h */
NULL, /* 19h */
NULL, /* 1Ah */
NULL, /* 1Bh */
@@ -7977,7 +8066,7 @@ mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
NULL, /* 2Eh */
NULL, /* 2Fh */
"Compatibility Error: IR Disabled", /* 30h */
- "Compatibility Error: Inquiry Comand Failed", /* 31h */
+ "Compatibility Error: Inquiry Command Failed", /* 31h */
"Compatibility Error: Device not Direct Access "
"Device ", /* 32h */
"Compatibility Error: Removable Device Found", /* 33h */