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path: root/drivers/scsi/mpt2sas/mpt2sas_base.c
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Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.c')
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_base.c199
1 files changed, 177 insertions, 22 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 12faf64f91b0..b2a817055b8b 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -65,7 +65,6 @@
static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS];
#define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */
-#define MPT2SAS_MAX_REQUEST_QUEUE 600 /* maximum controller queue depth */
static int max_queue_depth = -1;
module_param(max_queue_depth, int, 0);
@@ -79,6 +78,10 @@ static int msix_disable = -1;
module_param(msix_disable, int, 0);
MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)");
+static int missing_delay[2] = {-1, -1};
+module_param_array(missing_delay, int, NULL, 0);
+MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
+
/* diag_buffer_enable is bitwise
* bit 0 set = TRACE
* bit 1 set = SNAPSHOT
@@ -515,9 +518,6 @@ _base_display_event_data(struct MPT2SAS_ADAPTER *ioc,
case MPI2_EVENT_EVENT_CHANGE:
desc = "Event Change";
break;
- case MPI2_EVENT_TASK_SET_FULL:
- desc = "Task Set Full";
- break;
case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
desc = "Device Status Change";
break;
@@ -758,7 +758,7 @@ _base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid)
if (smid < ioc->internal_smid) {
i = smid - ioc->hi_priority_smid;
cb_idx = ioc->hpr_lookup[i].cb_idx;
- } else {
+ } else if (smid <= ioc->hba_queue_depth) {
i = smid - ioc->internal_smid;
cb_idx = ioc->internal_lookup[i].cb_idx;
}
@@ -848,6 +848,7 @@ _base_interrupt(int irq, void *bus_id)
return IRQ_NONE;
completed_cmds = 0;
+ cb_idx = 0xFF;
do {
rd.word = rpf->Words;
if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
@@ -860,6 +861,9 @@ _base_interrupt(int irq, void *bus_id)
MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
reply = le32_to_cpu
(rpf->AddressReply.ReplyFrameAddress);
+ if (reply > ioc->reply_dma_max_address ||
+ reply < ioc->reply_dma_min_address)
+ reply = 0;
} else if (request_desript_type ==
MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER)
goto next;
@@ -1489,6 +1493,7 @@ mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid)
{
unsigned long flags;
int i;
+ struct chain_tracker *chain_req, *next;
spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
if (smid >= ioc->hi_priority_smid) {
@@ -1511,6 +1516,14 @@ mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid)
/* scsiio queue */
i = smid - 1;
+ if (!list_empty(&ioc->scsi_lookup[i].chain_list)) {
+ list_for_each_entry_safe(chain_req, next,
+ &ioc->scsi_lookup[i].chain_list, tracker_list) {
+ list_del_init(&chain_req->tracker_list);
+ list_add_tail(&chain_req->tracker_list,
+ &ioc->free_chain_list);
+ }
+ }
ioc->scsi_lookup[i].cb_idx = 0xFF;
ioc->scsi_lookup[i].scmd = NULL;
list_add_tail(&ioc->scsi_lookup[i].tracker_list,
@@ -1819,6 +1832,97 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
}
/**
+ * _base_update_missing_delay - change the missing delay timers
+ * @ioc: per adapter object
+ * @device_missing_delay: amount of time till device is reported missing
+ * @io_missing_delay: interval IO is returned when there is a missing device
+ *
+ * Return nothing.
+ *
+ * Passed on the command line, this function will modify the device missing
+ * delay, as well as the io missing delay. This should be called at driver
+ * load time.
+ */
+static void
+_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
+ u16 device_missing_delay, u8 io_missing_delay)
+{
+ u16 dmd, dmd_new, dmd_orignal;
+ u8 io_missing_delay_original;
+ u16 sz;
+ Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
+ Mpi2ConfigReply_t mpi_reply;
+ u8 num_phys = 0;
+ u16 ioc_status;
+
+ mpt2sas_config_get_number_hba_phys(ioc, &num_phys);
+ if (!num_phys)
+ return;
+
+ sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys *
+ sizeof(Mpi2SasIOUnit1PhyData_t));
+ sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
+ if (!sas_iounit_pg1) {
+ printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
+ ioc->name, __FILE__, __LINE__, __func__);
+ goto out;
+ }
+ if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
+ sas_iounit_pg1, sz))) {
+ printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
+ ioc->name, __FILE__, __LINE__, __func__);
+ goto out;
+ }
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
+ ioc->name, __FILE__, __LINE__, __func__);
+ goto out;
+ }
+
+ /* device missing delay */
+ dmd = sas_iounit_pg1->ReportDeviceMissingDelay;
+ if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
+ dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
+ else
+ dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
+ dmd_orignal = dmd;
+ if (device_missing_delay > 0x7F) {
+ dmd = (device_missing_delay > 0x7F0) ? 0x7F0 :
+ device_missing_delay;
+ dmd = dmd / 16;
+ dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16;
+ } else
+ dmd = device_missing_delay;
+ sas_iounit_pg1->ReportDeviceMissingDelay = dmd;
+
+ /* io missing delay */
+ io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay;
+ sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay;
+
+ if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
+ sz)) {
+ if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
+ dmd_new = (dmd &
+ MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
+ else
+ dmd_new =
+ dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
+ printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), "
+ "new(%d)\n", ioc->name, dmd_orignal, dmd_new);
+ printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), "
+ "new(%d)\n", ioc->name, io_missing_delay_original,
+ io_missing_delay);
+ ioc->device_missing_delay = dmd_new;
+ ioc->io_missing_delay = io_missing_delay;
+ }
+
+out:
+ kfree(sas_iounit_pg1);
+}
+
+/**
* _base_static_config_pages - static start of day config pages
* @ioc: per adapter object
*
@@ -1855,6 +1959,7 @@ _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc)
MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags);
mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
+
}
/**
@@ -1868,6 +1973,8 @@ _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc)
static void
_base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc)
{
+ int i;
+
dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
__func__));
@@ -1932,6 +2039,20 @@ _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc)
}
kfree(ioc->hpr_lookup);
kfree(ioc->internal_lookup);
+ if (ioc->chain_lookup) {
+ for (i = 0; i < ioc->chain_depth; i++) {
+ if (ioc->chain_lookup[i].chain_buffer)
+ pci_pool_free(ioc->chain_dma_pool,
+ ioc->chain_lookup[i].chain_buffer,
+ ioc->chain_lookup[i].chain_buffer_dma);
+ }
+ if (ioc->chain_dma_pool)
+ pci_pool_destroy(ioc->chain_dma_pool);
+ }
+ if (ioc->chain_lookup) {
+ free_pages((ulong)ioc->chain_lookup, ioc->chain_pages);
+ ioc->chain_lookup = NULL;
+ }
}
@@ -1953,6 +2074,7 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
u32 sz, total_sz;
u32 retry_sz;
u16 max_request_credit;
+ int i;
dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
__func__));
@@ -1970,14 +2092,11 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
}
/* command line tunables for max controller queue depth */
- if (max_queue_depth != -1) {
+ if (max_queue_depth != -1)
max_request_credit = (max_queue_depth < facts->RequestCredit)
? max_queue_depth : facts->RequestCredit;
- } else {
- max_request_credit = (facts->RequestCredit >
- MPT2SAS_MAX_REQUEST_QUEUE) ? MPT2SAS_MAX_REQUEST_QUEUE :
- facts->RequestCredit;
- }
+ else
+ max_request_credit = facts->RequestCredit;
ioc->hba_queue_depth = max_request_credit;
ioc->hi_priority_depth = facts->HighPriorityCredit;
@@ -2083,7 +2202,7 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
* "frame for smid=0
*/
ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth;
- sz = ((ioc->scsiio_depth + 1 + ioc->chain_depth) * ioc->request_sz);
+ sz = ((ioc->scsiio_depth + 1) * ioc->request_sz);
/* hi-priority queue */
sz += (ioc->hi_priority_depth * ioc->request_sz);
@@ -2124,19 +2243,11 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth *
ioc->request_sz);
- ioc->chain = ioc->internal + (ioc->internal_depth *
- ioc->request_sz);
- ioc->chain_dma = ioc->internal_dma + (ioc->internal_depth *
- ioc->request_sz);
dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): "
"depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name,
ioc->request, ioc->hba_queue_depth, ioc->request_sz,
(ioc->hba_queue_depth * ioc->request_sz)/1024));
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool(0x%p): depth"
- "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->chain,
- ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth *
- ioc->request_sz))/1024));
dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n",
ioc->name, (unsigned long long) ioc->request_dma));
total_sz += sz;
@@ -2155,6 +2266,38 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
"depth(%d)\n", ioc->name, ioc->request,
ioc->scsiio_depth));
+ /* loop till the allocation succeeds */
+ do {
+ sz = ioc->chain_depth * sizeof(struct chain_tracker);
+ ioc->chain_pages = get_order(sz);
+ ioc->chain_lookup = (struct chain_tracker *)__get_free_pages(
+ GFP_KERNEL, ioc->chain_pages);
+ if (ioc->chain_lookup == NULL)
+ ioc->chain_depth -= 100;
+ } while (ioc->chain_lookup == NULL);
+ ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev,
+ ioc->request_sz, 16, 0);
+ if (!ioc->chain_dma_pool) {
+ printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create "
+ "failed\n", ioc->name);
+ goto out;
+ }
+ for (i = 0; i < ioc->chain_depth; i++) {
+ ioc->chain_lookup[i].chain_buffer = pci_pool_alloc(
+ ioc->chain_dma_pool , GFP_KERNEL,
+ &ioc->chain_lookup[i].chain_buffer_dma);
+ if (!ioc->chain_lookup[i].chain_buffer) {
+ ioc->chain_depth = i;
+ goto chain_done;
+ }
+ total_sz += ioc->request_sz;
+ }
+chain_done:
+ dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth"
+ "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name,
+ ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth *
+ ioc->request_sz))/1024));
+
/* initialize hi-priority queue smid's */
ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth,
sizeof(struct request_tracker), GFP_KERNEL);
@@ -2221,6 +2364,8 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
ioc->name);
goto out;
}
+ ioc->reply_dma_min_address = (u32)(ioc->reply_dma);
+ ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz;
dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth"
"(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply,
ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024));
@@ -2302,7 +2447,6 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
return 0;
out:
- _base_release_memory_pools(ioc);
return -ENOMEM;
}
@@ -3485,6 +3629,7 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
INIT_LIST_HEAD(&ioc->free_list);
smid = 1;
for (i = 0; i < ioc->scsiio_depth; i++, smid++) {
+ INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list);
ioc->scsi_lookup[i].cb_idx = 0xFF;
ioc->scsi_lookup[i].smid = smid;
ioc->scsi_lookup[i].scmd = NULL;
@@ -3511,6 +3656,13 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
list_add_tail(&ioc->internal_lookup[i].tracker_list,
&ioc->internal_free_list);
}
+
+ /* chain pool */
+ INIT_LIST_HEAD(&ioc->free_chain_list);
+ for (i = 0; i < ioc->chain_depth; i++)
+ list_add_tail(&ioc->chain_lookup[i].tracker_list,
+ &ioc->free_chain_list);
+
spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
/* initialize Reply Free Queue */
@@ -3708,12 +3860,15 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
_base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME);
_base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK);
_base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS);
- _base_unmask_events(ioc, MPI2_EVENT_TASK_SET_FULL);
_base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED);
r = _base_make_ioc_operational(ioc, CAN_SLEEP);
if (r)
goto out_free_resources;
+ if (missing_delay[0] != -1 && missing_delay[1] != -1)
+ _base_update_missing_delay(ioc, missing_delay[0],
+ missing_delay[1]);
+
mpt2sas_base_start_watchdog(ioc);
return 0;