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path: root/drivers/scsi/mpt3sas/mpt3sas_base.c
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Diffstat (limited to 'drivers/scsi/mpt3sas/mpt3sas_base.c')
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.c349
1 files changed, 229 insertions, 120 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 5779f313f6f8..c39955239d1c 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -141,7 +141,7 @@ _base_clear_outstanding_commands(struct MPT3SAS_ADAPTER *ioc);
* @mpi_request:mf request pointer.
* @sz: size of buffer.
*
- * @Returns - 1/0 Reset to be done or Not
+ * Return: 1/0 Reset to be done or Not
*/
u8
mpt3sas_base_check_cmd_timeout(struct MPT3SAS_ADAPTER *ioc,
@@ -440,7 +440,7 @@ static void _clone_sg_entries(struct MPT3SAS_ADAPTER *ioc,
return;
/* From smid we can get scsi_cmd, once we have sg_scmd,
- * we just need to get sg_virt and sg_next to get virual
+ * we just need to get sg_virt and sg_next to get virtual
* address associated with sgel->Address.
*/
@@ -600,7 +600,7 @@ static int mpt3sas_remove_dead_ioc_func(void *arg)
* _base_sync_drv_fw_timestamp - Sync Drive-Fw TimeStamp.
* @ioc: Per Adapter Object
*
- * Return nothing.
+ * Return: nothing.
*/
static void _base_sync_drv_fw_timestamp(struct MPT3SAS_ADAPTER *ioc)
{
@@ -704,7 +704,7 @@ _base_fault_reset_work(struct work_struct *work)
/*
* Call _scsih_flush_pending_cmds callback so that we flush all
- * pending commands back to OS. This call is required to aovid
+ * pending commands back to OS. This call is required to avoid
* 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.
@@ -873,7 +873,7 @@ mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code)
* @ioc: per adapter object
* @fault_code: fault code
*
- * Return nothing.
+ * Return: nothing.
*/
void
mpt3sas_base_coredump_info(struct MPT3SAS_ADAPTER *ioc, u16 fault_code)
@@ -887,7 +887,7 @@ mpt3sas_base_coredump_info(struct MPT3SAS_ADAPTER *ioc, u16 fault_code)
* @ioc: per adapter object
* @caller: caller function name
*
- * Returns 0 for success, non-zero for failure.
+ * Return: 0 for success, non-zero for failure.
*/
int
mpt3sas_base_wait_for_coredump_completion(struct MPT3SAS_ADAPTER *ioc,
@@ -1359,11 +1359,11 @@ _base_sas_log_info(struct MPT3SAS_ADAPTER *ioc , u32 log_info)
}
/**
- * _base_display_reply_info -
+ * _base_display_reply_info - handle reply descriptors depending on IOC Status
* @ioc: per adapter object
* @smid: system request message index
* @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
+ * @reply: reply message frame (lower 32bit addr)
*/
static void
_base_display_reply_info(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
@@ -1804,7 +1804,7 @@ _base_interrupt(int irq, void *bus_id)
* @irqpoll: irq_poll object
* @budget: irq poll weight
*
- * returns number of reply descriptors processed
+ * Return: number of reply descriptors processed
*/
static int
_base_irqpoll(struct irq_poll *irqpoll, int budget)
@@ -1826,7 +1826,7 @@ _base_irqpoll(struct irq_poll *irqpoll, int budget)
enable_irq(reply_q->os_irq);
/*
* Go for one more round of processing the
- * reply descriptor post queue incase if HBA
+ * reply descriptor post queue in case the HBA
* Firmware has posted some reply descriptors
* while reenabling the IRQ.
*/
@@ -1840,7 +1840,7 @@ _base_irqpoll(struct irq_poll *irqpoll, int budget)
* _base_init_irqpolls - initliaze IRQ polls
* @ioc: per adapter object
*
- * returns nothing
+ * Return: nothing
*/
static void
_base_init_irqpolls(struct MPT3SAS_ADAPTER *ioc)
@@ -1878,7 +1878,7 @@ _base_is_controller_msix_enabled(struct MPT3SAS_ADAPTER *ioc)
* @ioc: per adapter object
* @poll: poll over reply descriptor pools incase interrupt for
* timed-out SCSI command got delayed
- * Context: non ISR conext
+ * Context: non-ISR context
*
* Called when a Task Management request has completed.
*/
@@ -2104,7 +2104,16 @@ _base_build_sg(struct MPT3SAS_ADAPTER *ioc, void *psge,
/**
* _base_build_nvme_prp - This function is called for NVMe end devices to build
- * a native SGL (NVMe PRP). The native SGL is built starting in the first PRP
+ * a native SGL (NVMe PRP).
+ * @ioc: per adapter object
+ * @smid: system request message index for getting asscociated SGL
+ * @nvme_encap_request: the NVMe request msg frame pointer
+ * @data_out_dma: physical address for WRITES
+ * @data_out_sz: data xfer size for WRITES
+ * @data_in_dma: physical address for READS
+ * @data_in_sz: data xfer size for READS
+ *
+ * The native SGL is built starting in the first PRP
* entry of the NVMe message (PRP1). If the data buffer is small enough to be
* described entirely using PRP1, then PRP2 is not used. If needed, PRP2 is
* used to describe a larger data buffer. If the data buffer is too large to
@@ -2133,7 +2142,7 @@ _base_build_sg(struct MPT3SAS_ADAPTER *ioc, void *psge,
* Each 64-bit PRP entry comprises an address and an offset field. The address
* always points at the beginning of a 4KB physical memory page, and the offset
* describes where within that 4KB page the memory segment begins. Only the
- * first element in a PRP list may contain a non-zero offest, implying that all
+ * first element in a PRP list may contain a non-zero offset, implying that all
* memory segments following the first begin at the start of a 4KB page.
*
* Each PRP element normally describes 4KB of physical memory, with exceptions
@@ -2147,14 +2156,6 @@ _base_build_sg(struct MPT3SAS_ADAPTER *ioc, void *psge,
* Since PRP entries lack any indication of size, the overall data buffer length
* is used to determine where the end of the data memory buffer is located, and
* how many PRP entries are required to describe it.
- *
- * @ioc: per adapter object
- * @smid: system request message index for getting asscociated SGL
- * @nvme_encap_request: the NVMe request msg frame pointer
- * @data_out_dma: physical address for WRITES
- * @data_out_sz: data xfer size for WRITES
- * @data_in_dma: physical address for READS
- * @data_in_sz: data xfer size for READS
*/
static void
_base_build_nvme_prp(struct MPT3SAS_ADAPTER *ioc, u16 smid,
@@ -2311,8 +2312,8 @@ _base_build_nvme_prp(struct MPT3SAS_ADAPTER *ioc, u16 smid,
}
/**
- * base_make_prp_nvme -
- * Prepare PRPs(Physical Region Page)- SGLs specific to NVMe drives only
+ * base_make_prp_nvme - Prepare PRPs (Physical Region Page) -
+ * SGLs specific to NVMe drives only
*
* @ioc: per adapter object
* @scmd: SCSI command from the mid-layer
@@ -3155,7 +3156,7 @@ fall_back:
* - loaded driver with default max_msix_vectors module parameter and
* - system booted in non kdump mode
*
- * returns nothing.
+ * Return: nothing.
*/
static void
_base_check_and_enable_high_iops_queues(struct MPT3SAS_ADAPTER *ioc,
@@ -3364,14 +3365,14 @@ static int
_base_diag_reset(struct MPT3SAS_ADAPTER *ioc);
/**
- * _base_check_for_fault_and_issue_reset - check if IOC is in fault state
+ * mpt3sas_base_check_for_fault_and_issue_reset - check if IOC is in fault state
* and if it is in fault state then issue diag reset.
* @ioc: per adapter object
*
- * Returns: 0 for success, non-zero for failure.
+ * Return: 0 for success, non-zero for failure.
*/
-static int
-_base_check_for_fault_and_issue_reset(struct MPT3SAS_ADAPTER *ioc)
+int
+mpt3sas_base_check_for_fault_and_issue_reset(struct MPT3SAS_ADAPTER *ioc)
{
u32 ioc_state;
int rc = -EFAULT;
@@ -3385,12 +3386,14 @@ _base_check_for_fault_and_issue_reset(struct MPT3SAS_ADAPTER *ioc)
if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
mpt3sas_print_fault_code(ioc, ioc_state &
MPI2_DOORBELL_DATA_MASK);
+ mpt3sas_base_mask_interrupts(ioc);
rc = _base_diag_reset(ioc);
} else if ((ioc_state & MPI2_IOC_STATE_MASK) ==
MPI2_IOC_STATE_COREDUMP) {
mpt3sas_print_coredump_info(ioc, ioc_state &
MPI2_DOORBELL_DATA_MASK);
mpt3sas_base_wait_for_coredump_completion(ioc, __func__);
+ mpt3sas_base_mask_interrupts(ioc);
rc = _base_diag_reset(ioc);
}
@@ -3472,7 +3475,7 @@ mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc)
r = _base_get_ioc_facts(ioc);
if (r) {
- rc = _base_check_for_fault_and_issue_reset(ioc);
+ rc = mpt3sas_base_check_for_fault_and_issue_reset(ioc);
if (rc || (_base_get_ioc_facts(ioc)))
goto out_fail;
}
@@ -3633,7 +3636,7 @@ mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc, u32 phys_addr)
* @ioc: per adapter object
* @scmd: scsi_cmnd object
*
- * returns msix index of general reply queues,
+ * Return: msix index of general reply queues,
* i.e. reply queue on which IO request's reply
* should be posted by the HBA firmware.
*/
@@ -3663,7 +3666,7 @@ _base_get_msix_index(struct MPT3SAS_ADAPTER *ioc,
* @ioc: per adapter object
* @scmd: scsi_cmnd object
*
- * Returns: msix index of high iops reply queues.
+ * Return: msix index of high iops reply queues.
* i.e. high iops reply queue on which IO request's
* reply should be posted by the HBA firmware.
*/
@@ -3910,7 +3913,7 @@ _base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock)
* @ioc: per adapter object
* @smid: system request message index
*
- * returns msix index.
+ * Return: msix index.
*/
static u8
_base_set_and_get_msix_index(struct MPT3SAS_ADAPTER *ioc, u16 smid)
@@ -4005,7 +4008,7 @@ _base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
* _base_put_smid_hi_priority - send Task Management request to firmware
* @ioc: per adapter object
* @smid: system request message index
- * @msix_task: msix_task will be same as msix of IO incase of task abort else 0.
+ * @msix_task: msix_task will be same as msix of IO in case of task abort else 0
*/
static void
_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid,
@@ -4109,7 +4112,7 @@ _base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid)
* @smid: system request message index
* @handle: device handle, unused in this function, for function type match
*
- * Return nothing.
+ * Return: nothing.
*/
static void
_base_put_smid_scsi_io_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid,
@@ -4131,7 +4134,7 @@ _base_put_smid_scsi_io_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid,
* @ioc: per adapter object
* @smid: system request message index
* @handle: device handle, unused in this function, for function type match
- * Return nothing
+ * Return: nothing
*/
static void
_base_put_smid_fast_path_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid,
@@ -4152,9 +4155,9 @@ _base_put_smid_fast_path_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid,
* firmware using Atomic Request Descriptor
* @ioc: per adapter object
* @smid: system request message index
- * @msix_task: msix_task will be same as msix of IO incase of task abort else 0
+ * @msix_task: msix_task will be same as msix of IO in case of task abort else 0
*
- * Return nothing.
+ * Return: nothing.
*/
static void
_base_put_smid_hi_priority_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid,
@@ -4176,7 +4179,7 @@ _base_put_smid_hi_priority_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid,
* @ioc: per adapter object
* @smid: system request message index
*
- * Return nothing.
+ * Return: nothing.
*/
static void
_base_put_smid_default_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid)
@@ -4434,6 +4437,7 @@ _base_display_OEMs_branding(struct MPT3SAS_ADAPTER *ioc)
ioc->pdev->subsystem_device);
break;
}
+ break;
default:
break;
}
@@ -4453,7 +4457,7 @@ _base_display_fwpkg_version(struct MPT3SAS_ADAPTER *ioc)
Mpi26ComponentImageHeader_t *cmp_img_hdr;
Mpi25FWUploadRequest_t *mpi_request;
Mpi2FWUploadReply_t mpi_reply;
- int r = 0;
+ int r = 0, issue_diag_reset = 0;
u32 package_version = 0;
void *fwpkg_data = NULL;
dma_addr_t fwpkg_data_dma;
@@ -4503,7 +4507,7 @@ _base_display_fwpkg_version(struct MPT3SAS_ADAPTER *ioc)
ioc_err(ioc, "%s: timeout\n", __func__);
_debug_dump_mf(mpi_request,
sizeof(Mpi25FWUploadRequest_t)/4);
- r = -ETIME;
+ issue_diag_reset = 1;
} else {
memset(&mpi_reply, 0, sizeof(Mpi2FWUploadReply_t));
if (ioc->base_cmds.status & MPT3_CMD_REPLY_VALID) {
@@ -4543,11 +4547,18 @@ out:
if (fwpkg_data)
dma_free_coherent(&ioc->pdev->dev, data_length, fwpkg_data,
fwpkg_data_dma);
+ if (issue_diag_reset) {
+ if (ioc->drv_internal_flags & MPT_DRV_INTERNAL_FIRST_PE_ISSUED)
+ return -EFAULT;
+ if (mpt3sas_base_check_for_fault_and_issue_reset(ioc))
+ return -EFAULT;
+ r = -EAGAIN;
+ }
return r;
}
/**
- * _base_display_ioc_capabilities - Disply IOC's capabilities.
+ * _base_display_ioc_capabilities - Display IOC's capabilities.
* @ioc: per adapter object
*/
static void
@@ -4750,15 +4761,19 @@ out:
* according to performance mode.
* @ioc : per adapter object
*
- * Return nothing.
+ * Return: zero on success; otherwise return EAGAIN error code asking the
+ * caller to retry.
*/
-static void
+static int
_base_update_ioc_page1_inlinewith_perf_mode(struct MPT3SAS_ADAPTER *ioc)
{
Mpi2IOCPage1_t ioc_pg1;
Mpi2ConfigReply_t mpi_reply;
+ int rc;
- mpt3sas_config_get_ioc_pg1(ioc, &mpi_reply, &ioc->ioc_pg1_copy);
+ rc = mpt3sas_config_get_ioc_pg1(ioc, &mpi_reply, &ioc->ioc_pg1_copy);
+ if (rc)
+ return rc;
memcpy(&ioc_pg1, &ioc->ioc_pg1_copy, sizeof(Mpi2IOCPage1_t));
switch (perf_mode) {
@@ -4780,9 +4795,11 @@ _base_update_ioc_page1_inlinewith_perf_mode(struct MPT3SAS_ADAPTER *ioc)
*/
ioc_pg1.ProductSpecific = cpu_to_le32(0x80000000 |
((1 << MPT3SAS_HIGH_IOPS_REPLY_QUEUES/8) - 1));
- mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply, &ioc_pg1);
+ rc = mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply, &ioc_pg1);
+ if (rc)
+ return rc;
ioc_info(ioc, "performance mode: balanced\n");
- return;
+ return 0;
}
fallthrough;
case MPT_PERF_MODE_LATENCY:
@@ -4793,7 +4810,9 @@ _base_update_ioc_page1_inlinewith_perf_mode(struct MPT3SAS_ADAPTER *ioc)
ioc_pg1.CoalescingTimeout = cpu_to_le32(0xa);
ioc_pg1.Flags |= cpu_to_le32(MPI2_IOCPAGE1_REPLY_COALESCING);
ioc_pg1.ProductSpecific = 0;
- mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply, &ioc_pg1);
+ rc = mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply, &ioc_pg1);
+ if (rc)
+ return rc;
ioc_info(ioc, "performance mode: latency\n");
break;
case MPT_PERF_MODE_IOPS:
@@ -4805,9 +4824,12 @@ _base_update_ioc_page1_inlinewith_perf_mode(struct MPT3SAS_ADAPTER *ioc)
le32_to_cpu(ioc_pg1.CoalescingTimeout));
ioc_pg1.Flags |= cpu_to_le32(MPI2_IOCPAGE1_REPLY_COALESCING);
ioc_pg1.ProductSpecific = 0;
- mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply, &ioc_pg1);
+ rc = mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply, &ioc_pg1);
+ if (rc)
+ return rc;
break;
}
+ return 0;
}
/**
@@ -4815,9 +4837,9 @@ _base_update_ioc_page1_inlinewith_perf_mode(struct MPT3SAS_ADAPTER *ioc)
* persistent pages
* @ioc : per adapter object
*
- * Return nothing.
+ * Return: nothing.
*/
-static void
+static int
_base_get_event_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
{
Mpi26DriverTriggerPage2_t trigger_pg2;
@@ -4831,7 +4853,7 @@ _base_get_event_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
r = mpt3sas_config_get_driver_trigger_pg2(ioc, &mpi_reply,
&trigger_pg2);
if (r)
- return;
+ return r;
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
MPI2_IOCSTATUS_MASK;
@@ -4840,7 +4862,7 @@ _base_get_event_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
ioc_err(ioc,
"%s: Failed to get trigger pg2, ioc_status(0x%04x)\n",
__func__, ioc_status));
- return;
+ return 0;
}
if (le16_to_cpu(trigger_pg2.NumMPIEventTrigger)) {
@@ -4859,6 +4881,7 @@ _base_get_event_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
mpi_event_tg++;
}
}
+ return 0;
}
/**
@@ -4866,9 +4889,9 @@ _base_get_event_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
* persistent pages
* @ioc : per adapter object
*
- * Return nothing.
+ * Return: 0 on success; otherwise return failure status.
*/
-static void
+static int
_base_get_scsi_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
{
Mpi26DriverTriggerPage3_t trigger_pg3;
@@ -4882,7 +4905,7 @@ _base_get_scsi_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
r = mpt3sas_config_get_driver_trigger_pg3(ioc, &mpi_reply,
&trigger_pg3);
if (r)
- return;
+ return r;
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
MPI2_IOCSTATUS_MASK;
@@ -4891,7 +4914,7 @@ _base_get_scsi_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
ioc_err(ioc,
"%s: Failed to get trigger pg3, ioc_status(0x%04x)\n",
__func__, ioc_status));
- return;
+ return 0;
}
if (le16_to_cpu(trigger_pg3.NumSCSISenseTrigger)) {
@@ -4910,6 +4933,7 @@ _base_get_scsi_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
mpi_scsi_tg++;
}
}
+ return 0;
}
/**
@@ -4917,9 +4941,9 @@ _base_get_scsi_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
* persistent pages
* @ioc : per adapter object
*
- * Return nothing.
+ * Return: 0 on success; otherwise return failure status.
*/
-static void
+static int
_base_get_mpi_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
{
Mpi26DriverTriggerPage4_t trigger_pg4;
@@ -4933,7 +4957,7 @@ _base_get_mpi_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
r = mpt3sas_config_get_driver_trigger_pg4(ioc, &mpi_reply,
&trigger_pg4);
if (r)
- return;
+ return r;
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
MPI2_IOCSTATUS_MASK;
@@ -4942,7 +4966,7 @@ _base_get_mpi_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
ioc_err(ioc,
"%s: Failed to get trigger pg4, ioc_status(0x%04x)\n",
__func__, ioc_status));
- return;
+ return 0;
}
if (le16_to_cpu(trigger_pg4.NumIOCStatusLogInfoTrigger)) {
@@ -4963,6 +4987,7 @@ _base_get_mpi_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
mpi_status_tg++;
}
}
+ return 0;
}
/**
@@ -4970,9 +4995,9 @@ _base_get_mpi_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
* persistent pages
* @ioc : per adapter object
*
- * Return nothing.
+ * Return: nothing.
*/
-static void
+static int
_base_get_master_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
{
Mpi26DriverTriggerPage1_t trigger_pg1;
@@ -4983,7 +5008,7 @@ _base_get_master_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
r = mpt3sas_config_get_driver_trigger_pg1(ioc, &mpi_reply,
&trigger_pg1);
if (r)
- return;
+ return r;
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
MPI2_IOCSTATUS_MASK;
@@ -4992,25 +5017,30 @@ _base_get_master_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
ioc_err(ioc,
"%s: Failed to get trigger pg1, ioc_status(0x%04x)\n",
__func__, ioc_status));
- return;
+ return 0;
}
if (le16_to_cpu(trigger_pg1.NumMasterTrigger))
ioc->diag_trigger_master.MasterData |=
le32_to_cpu(
trigger_pg1.MasterTriggers[0].MasterTriggerFlags);
+ return 0;
}
/**
* _base_check_for_trigger_pages_support - checks whether HBA FW supports
* driver trigger pages or not
* @ioc : per adapter object
+ * @trigger_flags : address where trigger page0's TriggerFlags value is copied
+ *
+ * Return: trigger flags mask if HBA FW supports driver trigger pages;
+ * otherwise returns %-EFAULT if driver trigger pages are not supported by FW or
+ * return EAGAIN if diag reset occurred due to FW fault and asking the
+ * caller to retry the command.
*
- * Returns trigger flags mask if HBA FW supports driver trigger pages,
- * otherwise returns EFAULT.
*/
static int
-_base_check_for_trigger_pages_support(struct MPT3SAS_ADAPTER *ioc)
+_base_check_for_trigger_pages_support(struct MPT3SAS_ADAPTER *ioc, u32 *trigger_flags)
{
Mpi26DriverTriggerPage0_t trigger_pg0;
int r = 0;
@@ -5020,14 +5050,15 @@ _base_check_for_trigger_pages_support(struct MPT3SAS_ADAPTER *ioc)
r = mpt3sas_config_get_driver_trigger_pg0(ioc, &mpi_reply,
&trigger_pg0);
if (r)
- return -EFAULT;
+ return r;
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
MPI2_IOCSTATUS_MASK;
if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
return -EFAULT;
- return le16_to_cpu(trigger_pg0.TriggerFlags);
+ *trigger_flags = le16_to_cpu(trigger_pg0.TriggerFlags);
+ return 0;
}
/**
@@ -5035,12 +5066,14 @@ _base_check_for_trigger_pages_support(struct MPT3SAS_ADAPTER *ioc)
* persistent pages.
* @ioc : per adapter object
*
- * Return nothing.
+ * Return: zero on success; otherwise return EAGAIN error codes
+ * asking the caller to retry.
*/
-static void
+static int
_base_get_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
{
int trigger_flags;
+ int r;
/*
* Default setting of master trigger.
@@ -5048,9 +5081,16 @@ _base_get_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
ioc->diag_trigger_master.MasterData =
(MASTER_TRIGGER_FW_FAULT + MASTER_TRIGGER_ADAPTER_RESET);
- trigger_flags = _base_check_for_trigger_pages_support(ioc);
- if (trigger_flags < 0)
- return;
+ r = _base_check_for_trigger_pages_support(ioc, &trigger_flags);
+ if (r) {
+ if (r == -EAGAIN)
+ return r;
+ /*
+ * Don't go for error handling when FW doesn't support
+ * driver trigger pages.
+ */
+ return 0;
+ }
ioc->supports_trigger_pages = 1;
@@ -5059,40 +5099,53 @@ _base_get_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
* if master trigger bit enabled in TriggerFlags.
*/
if ((u16)trigger_flags &
- MPI26_DRIVER_TRIGGER0_FLAG_MASTER_TRIGGER_VALID)
- _base_get_master_diag_triggers(ioc);
+ MPI26_DRIVER_TRIGGER0_FLAG_MASTER_TRIGGER_VALID) {
+ r = _base_get_master_diag_triggers(ioc);
+ if (r)
+ return r;
+ }
/*
* Retrieve event diag trigger values from driver trigger pg2
* if event trigger bit enabled in TriggerFlags.
*/
if ((u16)trigger_flags &
- MPI26_DRIVER_TRIGGER0_FLAG_MPI_EVENT_TRIGGER_VALID)
- _base_get_event_diag_triggers(ioc);
+ MPI26_DRIVER_TRIGGER0_FLAG_MPI_EVENT_TRIGGER_VALID) {
+ r = _base_get_event_diag_triggers(ioc);
+ if (r)
+ return r;
+ }
/*
* Retrieve scsi diag trigger values from driver trigger pg3
* if scsi trigger bit enabled in TriggerFlags.
*/
if ((u16)trigger_flags &
- MPI26_DRIVER_TRIGGER0_FLAG_SCSI_SENSE_TRIGGER_VALID)
- _base_get_scsi_diag_triggers(ioc);
+ MPI26_DRIVER_TRIGGER0_FLAG_SCSI_SENSE_TRIGGER_VALID) {
+ r = _base_get_scsi_diag_triggers(ioc);
+ if (r)
+ return r;
+ }
/*
* Retrieve mpi error diag trigger values from driver trigger pg4
* if loginfo trigger bit enabled in TriggerFlags.
*/
if ((u16)trigger_flags &
- MPI26_DRIVER_TRIGGER0_FLAG_LOGINFO_TRIGGER_VALID)
- _base_get_mpi_diag_triggers(ioc);
+ MPI26_DRIVER_TRIGGER0_FLAG_LOGINFO_TRIGGER_VALID) {
+ r = _base_get_mpi_diag_triggers(ioc);
+ if (r)
+ return r;
+ }
+ return 0;
}
/**
* _base_update_diag_trigger_pages - Update the driver trigger pages after
- * online FW update, incase updated FW supports driver
+ * online FW update, in case updated FW supports driver
* trigger pages.
* @ioc : per adapter object
*
- * Return nothing.
+ * Return: nothing.
*/
static void
_base_update_diag_trigger_pages(struct MPT3SAS_ADAPTER *ioc)
@@ -5119,23 +5172,33 @@ _base_update_diag_trigger_pages(struct MPT3SAS_ADAPTER *ioc)
* _base_static_config_pages - static start of day config pages
* @ioc: per adapter object
*/
-static void
+static int
_base_static_config_pages(struct MPT3SAS_ADAPTER *ioc)
{
Mpi2ConfigReply_t mpi_reply;
u32 iounit_pg1_flags;
int tg_flags = 0;
+ int rc;
ioc->nvme_abort_timeout = 30;
- mpt3sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0);
- if (ioc->ir_firmware)
- mpt3sas_config_get_manufacturing_pg10(ioc, &mpi_reply,
- &ioc->manu_pg10);
+ rc = mpt3sas_config_get_manufacturing_pg0(ioc, &mpi_reply,
+ &ioc->manu_pg0);
+ if (rc)
+ return rc;
+ if (ioc->ir_firmware) {
+ rc = mpt3sas_config_get_manufacturing_pg10(ioc, &mpi_reply,
+ &ioc->manu_pg10);
+ if (rc)
+ return rc;
+ }
/*
* Ensure correct T10 PI operation if vendor left EEDPTagMode
* flag unset in NVDATA.
*/
- mpt3sas_config_get_manufacturing_pg11(ioc, &mpi_reply, &ioc->manu_pg11);
+ rc = mpt3sas_config_get_manufacturing_pg11(ioc, &mpi_reply,
+ &ioc->manu_pg11);
+ if (rc)
+ return rc;
if (!ioc->is_gen35_ioc && ioc->manu_pg11.EEDPTagMode == 0) {
pr_err("%s: overriding NVDATA EEDPTagMode setting\n",
ioc->name);
@@ -5174,12 +5237,24 @@ _base_static_config_pages(struct MPT3SAS_ADAPTER *ioc)
ioc_warn(ioc,
"TimeSync Interval in Manuf page-11 is not enabled. Periodic Time-Sync will be disabled\n");
}
- mpt3sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2);
- mpt3sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3);
- mpt3sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8);
- mpt3sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0);
- mpt3sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
- mpt3sas_config_get_iounit_pg8(ioc, &mpi_reply, &ioc->iounit_pg8);
+ rc = mpt3sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2);
+ if (rc)
+ return rc;
+ rc = mpt3sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3);
+ if (rc)
+ return rc;
+ rc = mpt3sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8);
+ if (rc)
+ return rc;
+ rc = mpt3sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0);
+ if (rc)
+ return rc;
+ rc = mpt3sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
+ if (rc)
+ return rc;
+ rc = mpt3sas_config_get_iounit_pg8(ioc, &mpi_reply, &ioc->iounit_pg8);
+ if (rc)
+ return rc;
_base_display_ioc_capabilities(ioc);
/*
@@ -5195,16 +5270,23 @@ _base_static_config_pages(struct MPT3SAS_ADAPTER *ioc)
iounit_pg1_flags |=
MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags);
- mpt3sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
+ rc = mpt3sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
+ if (rc)
+ return rc;
if (ioc->iounit_pg8.NumSensors)
ioc->temp_sensors_count = ioc->iounit_pg8.NumSensors;
- if (ioc->is_aero_ioc)
- _base_update_ioc_page1_inlinewith_perf_mode(ioc);
+ if (ioc->is_aero_ioc) {
+ rc = _base_update_ioc_page1_inlinewith_perf_mode(ioc);
+ if (rc)
+ return rc;
+ }
if (ioc->is_gen35_ioc) {
- if (ioc->is_driver_loading)
- _base_get_diag_triggers(ioc);
- else {
+ if (ioc->is_driver_loading) {
+ rc = _base_get_diag_triggers(ioc);
+ if (rc)
+ return rc;
+ } else {
/*
* In case of online HBA FW update operation,
* check whether updated FW supports the driver trigger
@@ -5216,7 +5298,7 @@ _base_static_config_pages(struct MPT3SAS_ADAPTER *ioc)
* and new FW doesn't support them then disable
* support_trigger_pages flag.
*/
- tg_flags = _base_check_for_trigger_pages_support(ioc);
+ _base_check_for_trigger_pages_support(ioc, &tg_flags);
if (!ioc->supports_trigger_pages && tg_flags != -EFAULT)
_base_update_diag_trigger_pages(ioc);
else if (ioc->supports_trigger_pages &&
@@ -5224,6 +5306,7 @@ _base_static_config_pages(struct MPT3SAS_ADAPTER *ioc)
ioc->supports_trigger_pages = 0;
}
}
+ return 0;
}
/**
@@ -6233,7 +6316,7 @@ _base_wait_on_iocstate(struct MPT3SAS_ADAPTER *ioc, u32 ioc_state, int timeout)
* _base_dump_reg_set - This function will print hexdump of register set.
* @ioc: per adapter object
*
- * Returns nothing.
+ * Return: nothing.
*/
static inline void
_base_dump_reg_set(struct MPT3SAS_ADAPTER *ioc)
@@ -6467,7 +6550,7 @@ _base_send_ioc_reset(struct MPT3SAS_ADAPTER *ioc, u8 reset_type, int timeout)
*
* Return: Waits up to timeout seconds for the IOC to
* become operational. Returns 0 if IOC is present
- * and operational; otherwise returns -EFAULT.
+ * and operational; otherwise returns %-EFAULT.
*/
int
@@ -6480,6 +6563,17 @@ mpt3sas_wait_for_ioc(struct MPT3SAS_ADAPTER *ioc, int timeout)
ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
if (ioc_state == MPI2_IOC_STATE_OPERATIONAL)
break;
+
+ /*
+ * Watchdog thread will be started after IOC Initialization, so
+ * no need to wait here for IOC state to become operational
+ * when IOC Initialization is on. Instead the driver will
+ * return ETIME status, so that calling function can issue
+ * diag reset operation and retry the command.
+ */
+ if (ioc->is_driver_loading)
+ return -ETIME;
+
ssleep(1);
ioc_info(ioc, "%s: waiting for operational state(count=%d)\n",
__func__, ++wait_state_count);
@@ -7112,7 +7206,8 @@ mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
ioc->port_enable_failed = 1;
- if (ioc->is_driver_loading) {
+ if (ioc->port_enable_cmds.status & MPT3_CMD_COMPLETE_ASYNC) {
+ ioc->port_enable_cmds.status &= ~MPT3_CMD_COMPLETE_ASYNC;
if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
mpt3sas_port_enable_complete(ioc);
return 1;
@@ -7213,8 +7308,9 @@ mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc)
ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
return -EAGAIN;
}
-
+ ioc->drv_internal_flags |= MPT_DRV_INTERNAL_FIRST_PE_ISSUED;
ioc->port_enable_cmds.status = MPT3_CMD_PENDING;
+ ioc->port_enable_cmds.status |= MPT3_CMD_COMPLETE_ASYNC;
mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
ioc->port_enable_cmds.smid = smid;
memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
@@ -7311,7 +7407,7 @@ _base_event_notification(struct MPT3SAS_ADAPTER *ioc)
Mpi2EventNotificationRequest_t *mpi_request;
u16 smid;
int r = 0;
- int i;
+ int i, issue_diag_reset = 0;
dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
@@ -7345,10 +7441,19 @@ _base_event_notification(struct MPT3SAS_ADAPTER *ioc)
if (ioc->base_cmds.status & MPT3_CMD_RESET)
r = -EFAULT;
else
- r = -ETIME;
+ issue_diag_reset = 1;
+
} else
dinitprintk(ioc, ioc_info(ioc, "%s: complete\n", __func__));
ioc->base_cmds.status = MPT3_CMD_NOT_USED;
+
+ if (issue_diag_reset) {
+ if (ioc->drv_internal_flags & MPT_DRV_INTERNAL_FIRST_PE_ISSUED)
+ return -EFAULT;
+ if (mpt3sas_base_check_for_fault_and_issue_reset(ioc))
+ return -EFAULT;
+ r = -EAGAIN;
+ }
return r;
}
@@ -7712,7 +7817,7 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc)
if (!ioc->is_driver_loading)
return r;
- rc = _base_check_for_fault_and_issue_reset(ioc);
+ rc = mpt3sas_base_check_for_fault_and_issue_reset(ioc);
if (rc || (_base_send_ioc_init(ioc)))
return r;
}
@@ -7746,12 +7851,15 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc)
return r;
}
- _base_static_config_pages(ioc);
+ rc = _base_static_config_pages(ioc);
+ if (r)
+ return r;
+
r = _base_event_notification(ioc);
if (r)
return r;
- if (ioc->is_driver_loading) {
+ if (!ioc->shost_recovery) {
if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier
== 0x80) {
@@ -7851,7 +7959,7 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
pci_set_drvdata(ioc->pdev, ioc->shost);
r = _base_get_ioc_facts(ioc);
if (r) {
- rc = _base_check_for_fault_and_issue_reset(ioc);
+ rc = mpt3sas_base_check_for_fault_and_issue_reset(ioc);
if (rc || (_base_get_ioc_facts(ioc)))
goto out_free_resources;
}
@@ -7868,7 +7976,7 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
/*
* In SAS3.0,
* SCSI_IO, SMP_PASSTHRU, SATA_PASSTHRU, Target Assist, and
- * Target Status - all require the IEEE formated scatter gather
+ * Target Status - all require the IEEE formatted scatter gather
* elements.
*/
ioc->build_sg_scmd = &_base_build_sg_scmd_ieee;
@@ -7923,7 +8031,7 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) {
r = _base_get_port_facts(ioc, i);
if (r) {
- rc = _base_check_for_fault_and_issue_reset(ioc);
+ rc = mpt3sas_base_check_for_fault_and_issue_reset(ioc);
if (rc || (_base_get_port_facts(ioc, i)))
goto out_free_resources;
}
@@ -8049,8 +8157,11 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
}
}
r = _base_make_ioc_operational(ioc);
- if (r)
- goto out_free_resources;
+ if (r == -EAGAIN) {
+ r = _base_make_ioc_operational(ioc);
+ if (r)
+ goto out_free_resources;
+ }
/*
* Copy current copy of IOCFacts in prev_fw_facts
@@ -8168,8 +8279,6 @@ _base_clear_outstanding_mpt_commands(struct MPT3SAS_ADAPTER *ioc)
ioc->start_scan_failed =
MPI2_IOCSTATUS_INTERNAL_ERROR;
ioc->start_scan = 0;
- ioc->port_enable_cmds.status =
- MPT3_CMD_NOT_USED;
} else {
complete(&ioc->port_enable_cmds.done);
}