summaryrefslogtreecommitdiff
path: root/drivers/scsi/mpt3sas/mpt3sas_scsih.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/mpt3sas/mpt3sas_scsih.c')
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_scsih.c220
1 files changed, 193 insertions, 27 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index a038be8a0e90..c597d544eb39 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -1050,6 +1050,34 @@ mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
}
/**
+ * _scsih_set_nvme_max_shutdown_latency - Update max_shutdown_latency.
+ * @ioc: per adapter object
+ * Context: This function will acquire ioc->pcie_device_lock
+ *
+ * Update ioc->max_shutdown_latency to that NVMe drives RTD3 Entry Latency
+ * which has reported maximum among all available NVMe drives.
+ * Minimum max_shutdown_latency will be six seconds.
+ */
+static void
+_scsih_set_nvme_max_shutdown_latency(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct _pcie_device *pcie_device;
+ unsigned long flags;
+ u16 shutdown_latency = IO_UNIT_CONTROL_SHUTDOWN_TIMEOUT;
+
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) {
+ if (pcie_device->shutdown_latency) {
+ if (shutdown_latency < pcie_device->shutdown_latency)
+ shutdown_latency =
+ pcie_device->shutdown_latency;
+ }
+ }
+ ioc->max_shutdown_latency = shutdown_latency;
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+}
+
+/**
* _scsih_pcie_device_remove - remove pcie_device from list.
* @ioc: per adapter object
* @pcie_device: the pcie_device object
@@ -1063,6 +1091,7 @@ _scsih_pcie_device_remove(struct MPT3SAS_ADAPTER *ioc,
{
unsigned long flags;
int was_on_pcie_device_list = 0;
+ u8 update_latency = 0;
if (!pcie_device)
return;
@@ -1082,11 +1111,21 @@ _scsih_pcie_device_remove(struct MPT3SAS_ADAPTER *ioc,
list_del_init(&pcie_device->list);
was_on_pcie_device_list = 1;
}
+ if (pcie_device->shutdown_latency == ioc->max_shutdown_latency)
+ update_latency = 1;
spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
if (was_on_pcie_device_list) {
kfree(pcie_device->serial_number);
pcie_device_put(pcie_device);
}
+
+ /*
+ * This device's RTD3 Entry Latency matches IOC's
+ * max_shutdown_latency. Recalculate IOC's max_shutdown_latency
+ * from the available drives as current drive is getting removed.
+ */
+ if (update_latency)
+ _scsih_set_nvme_max_shutdown_latency(ioc);
}
@@ -1101,6 +1140,7 @@ _scsih_pcie_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
struct _pcie_device *pcie_device;
unsigned long flags;
int was_on_pcie_device_list = 0;
+ u8 update_latency = 0;
if (ioc->shost_recovery)
return;
@@ -1113,12 +1153,22 @@ _scsih_pcie_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
was_on_pcie_device_list = 1;
pcie_device_put(pcie_device);
}
+ if (pcie_device->shutdown_latency == ioc->max_shutdown_latency)
+ update_latency = 1;
}
spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
if (was_on_pcie_device_list) {
_scsih_pcie_device_remove_from_sml(ioc, pcie_device);
pcie_device_put(pcie_device);
}
+
+ /*
+ * This device's RTD3 Entry Latency matches IOC's
+ * max_shutdown_latency. Recalculate IOC's max_shutdown_latency
+ * from the available drives as current drive is getting removed.
+ */
+ if (update_latency)
+ _scsih_set_nvme_max_shutdown_latency(ioc);
}
/**
@@ -1554,7 +1604,12 @@ scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
max_depth = 1;
if (qdepth > max_depth)
qdepth = max_depth;
- return scsi_change_queue_depth(sdev, qdepth);
+ scsi_change_queue_depth(sdev, qdepth);
+ sdev_printk(KERN_INFO, sdev,
+ "qdepth(%d), tagged(%d), scsi_level(%d), cmd_que(%d)\n",
+ sdev->queue_depth, sdev->tagged_supported,
+ sdev->scsi_level, ((sdev->inquiry[7] & 2) >> 1));
+ return sdev->queue_depth;
}
/**
@@ -2673,6 +2728,7 @@ mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, u64 lun,
u16 smid = 0;
u32 ioc_state;
int rc;
+ u8 issue_reset = 0;
lockdep_assert_held(&ioc->tm_cmds.mutex);
@@ -2695,7 +2751,13 @@ mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, u64 lun,
}
if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
- mpt3sas_base_fault_info(ioc, ioc_state &
+ mpt3sas_print_fault_code(ioc, ioc_state &
+ MPI2_DOORBELL_DATA_MASK);
+ rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
+ return (!rc) ? SUCCESS : FAILED;
+ } else if ((ioc_state & MPI2_IOC_STATE_MASK) ==
+ MPI2_IOC_STATE_COREDUMP) {
+ mpt3sas_print_coredump_info(ioc, ioc_state &
MPI2_DOORBELL_DATA_MASK);
rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
return (!rc) ? SUCCESS : FAILED;
@@ -2726,9 +2788,10 @@ mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, u64 lun,
ioc->put_smid_hi_priority(ioc, smid, msix_task);
wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
if (!(ioc->tm_cmds.status & MPT3_CMD_COMPLETE)) {
- if (mpt3sas_base_check_cmd_timeout(ioc,
- ioc->tm_cmds.status, mpi_request,
- sizeof(Mpi2SCSITaskManagementRequest_t)/4)) {
+ mpt3sas_check_cmd_timeout(ioc,
+ ioc->tm_cmds.status, mpi_request,
+ sizeof(Mpi2SCSITaskManagementRequest_t)/4, issue_reset);
+ if (issue_reset) {
rc = mpt3sas_base_hard_reset_handler(ioc,
FORCE_BIG_HAMMER);
rc = (!rc) ? SUCCESS : FAILED;
@@ -2875,15 +2938,17 @@ scsih_abort(struct scsi_cmnd *scmd)
u8 timeout = 30;
struct _pcie_device *pcie_device = NULL;
- sdev_printk(KERN_INFO, scmd->device,
- "attempting task abort! scmd(%p)\n", scmd);
+ sdev_printk(KERN_INFO, scmd->device, "attempting task abort!"
+ "scmd(0x%p), outstanding for %u ms & timeout %u ms\n",
+ scmd, jiffies_to_msecs(jiffies - scmd->jiffies_at_alloc),
+ (scmd->request->timeout / HZ) * 1000);
_scsih_tm_display_info(ioc, scmd);
sas_device_priv_data = scmd->device->hostdata;
if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
ioc->remove_host) {
sdev_printk(KERN_INFO, scmd->device,
- "device been deleted! scmd(%p)\n", scmd);
+ "device been deleted! scmd(0x%p)\n", scmd);
scmd->result = DID_NO_CONNECT << 16;
scmd->scsi_done(scmd);
r = SUCCESS;
@@ -2892,6 +2957,8 @@ scsih_abort(struct scsi_cmnd *scmd)
/* check for completed command */
if (st == NULL || st->cb_idx == 0xFF) {
+ sdev_printk(KERN_INFO, scmd->device, "No reference found at "
+ "driver, assuming scmd(0x%p) might have completed\n", scmd);
scmd->result = DID_RESET << 16;
r = SUCCESS;
goto out;
@@ -2920,7 +2987,7 @@ scsih_abort(struct scsi_cmnd *scmd)
if (r == SUCCESS && st->cb_idx != 0xFF)
r = FAILED;
out:
- sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
+ sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(0x%p)\n",
((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
if (pcie_device)
pcie_device_put(pcie_device);
@@ -2949,14 +3016,14 @@ scsih_dev_reset(struct scsi_cmnd *scmd)
struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
sdev_printk(KERN_INFO, scmd->device,
- "attempting device reset! scmd(%p)\n", scmd);
+ "attempting device reset! scmd(0x%p)\n", scmd);
_scsih_tm_display_info(ioc, scmd);
sas_device_priv_data = scmd->device->hostdata;
if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
ioc->remove_host) {
sdev_printk(KERN_INFO, scmd->device,
- "device been deleted! scmd(%p)\n", scmd);
+ "device been deleted! scmd(0x%p)\n", scmd);
scmd->result = DID_NO_CONNECT << 16;
scmd->scsi_done(scmd);
r = SUCCESS;
@@ -2996,7 +3063,7 @@ scsih_dev_reset(struct scsi_cmnd *scmd)
if (r == SUCCESS && atomic_read(&scmd->device->device_busy))
r = FAILED;
out:
- sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
+ sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(0x%p)\n",
((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
if (sas_device)
@@ -3027,15 +3094,15 @@ scsih_target_reset(struct scsi_cmnd *scmd)
struct scsi_target *starget = scmd->device->sdev_target;
struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
- starget_printk(KERN_INFO, starget, "attempting target reset! scmd(%p)\n",
- scmd);
+ starget_printk(KERN_INFO, starget,
+ "attempting target reset! scmd(0x%p)\n", scmd);
_scsih_tm_display_info(ioc, scmd);
sas_device_priv_data = scmd->device->hostdata;
if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
ioc->remove_host) {
- starget_printk(KERN_INFO, starget, "target been deleted! scmd(%p)\n",
- scmd);
+ starget_printk(KERN_INFO, starget,
+ "target been deleted! scmd(0x%p)\n", scmd);
scmd->result = DID_NO_CONNECT << 16;
scmd->scsi_done(scmd);
r = SUCCESS;
@@ -3074,7 +3141,7 @@ scsih_target_reset(struct scsi_cmnd *scmd)
if (r == SUCCESS && atomic_read(&starget->target_busy))
r = FAILED;
out:
- starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
+ starget_printk(KERN_INFO, starget, "target reset: %s scmd(0x%p)\n",
((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
if (sas_device)
@@ -3097,7 +3164,7 @@ scsih_host_reset(struct scsi_cmnd *scmd)
struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
int r, retval;
- ioc_info(ioc, "attempting host reset! scmd(%p)\n", scmd);
+ ioc_info(ioc, "attempting host reset! scmd(0x%p)\n", scmd);
scsi_print_command(scmd);
if (ioc->is_driver_loading || ioc->remove_host) {
@@ -3109,7 +3176,7 @@ scsih_host_reset(struct scsi_cmnd *scmd)
retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
r = (retval < 0) ? FAILED : SUCCESS;
out:
- ioc_info(ioc, "host reset: %s scmd(%p)\n",
+ ioc_info(ioc, "host reset: %s scmd(0x%p)\n",
r == SUCCESS ? "SUCCESS" : "FAILED", scmd);
return r;
@@ -4475,6 +4542,7 @@ static void
_scsih_temp_threshold_events(struct MPT3SAS_ADAPTER *ioc,
Mpi2EventDataTemperature_t *event_data)
{
+ u32 doorbell;
if (ioc->temp_sensors_count >= event_data->SensorNum) {
ioc_err(ioc, "Temperature Threshold flags %s%s%s%s exceeded for Sensor: %d !!!\n",
le16_to_cpu(event_data->Status) & 0x1 ? "0 " : " ",
@@ -4484,6 +4552,18 @@ _scsih_temp_threshold_events(struct MPT3SAS_ADAPTER *ioc,
event_data->SensorNum);
ioc_err(ioc, "Current Temp In Celsius: %d\n",
event_data->CurrentTemperature);
+ if (ioc->hba_mpi_version_belonged != MPI2_VERSION) {
+ doorbell = mpt3sas_base_get_iocstate(ioc, 0);
+ if ((doorbell & MPI2_IOC_STATE_MASK) ==
+ MPI2_IOC_STATE_FAULT) {
+ mpt3sas_print_fault_code(ioc,
+ doorbell & MPI2_DOORBELL_DATA_MASK);
+ } else if ((doorbell & MPI2_IOC_STATE_MASK) ==
+ MPI2_IOC_STATE_COREDUMP) {
+ mpt3sas_print_coredump_info(ioc,
+ doorbell & MPI2_DOORBELL_DATA_MASK);
+ }
+ }
}
}
@@ -6933,6 +7013,16 @@ _scsih_pcie_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
le32_to_cpu(pcie_device_pg0.DeviceInfo)))) {
pcie_device->nvme_mdts =
le32_to_cpu(pcie_device_pg2.MaximumDataTransferSize);
+ pcie_device->shutdown_latency =
+ le16_to_cpu(pcie_device_pg2.ShutdownLatency);
+ /*
+ * Set IOC's max_shutdown_latency to drive's RTD3 Entry Latency
+ * if drive's RTD3 Entry Latency is greater then IOC's
+ * max_shutdown_latency.
+ */
+ if (pcie_device->shutdown_latency > ioc->max_shutdown_latency)
+ ioc->max_shutdown_latency =
+ pcie_device->shutdown_latency;
if (pcie_device_pg2.ControllerResetTO)
pcie_device->reset_timeout =
pcie_device_pg2.ControllerResetTO;
@@ -7669,10 +7759,9 @@ _scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num)
wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
- issue_reset =
- mpt3sas_base_check_cmd_timeout(ioc,
- ioc->scsih_cmds.status, mpi_request,
- sizeof(Mpi2RaidActionRequest_t)/4);
+ mpt3sas_check_cmd_timeout(ioc,
+ ioc->scsih_cmds.status, mpi_request,
+ sizeof(Mpi2RaidActionRequest_t)/4, issue_reset);
rc = -EFAULT;
goto out;
}
@@ -9272,15 +9361,17 @@ void mpt3sas_scsih_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc)
}
/**
- * mpt3sas_scsih_after_reset_handler - reset callback handler (for scsih)
+ * mpt3sas_scsih_clear_outstanding_scsi_tm_commands - clears outstanding
+ * scsi & tm cmds.
* @ioc: per adapter object
*
* The handler for doing any required cleanup or initialization.
*/
void
-mpt3sas_scsih_after_reset_handler(struct MPT3SAS_ADAPTER *ioc)
+mpt3sas_scsih_clear_outstanding_scsi_tm_commands(struct MPT3SAS_ADAPTER *ioc)
{
- dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_AFTER_RESET\n", __func__));
+ dtmprintk(ioc,
+ ioc_info(ioc, "%s: clear outstanding scsi & tm cmds\n", __func__));
if (ioc->scsih_cmds.status & MPT3_CMD_PENDING) {
ioc->scsih_cmds.status |= MPT3_CMD_RESET;
mpt3sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
@@ -9357,6 +9448,7 @@ _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
}
_scsih_remove_unresponding_devices(ioc);
_scsih_scan_for_devices_after_reset(ioc);
+ _scsih_set_nvme_max_shutdown_latency(ioc);
break;
case MPT3SAS_PORT_ENABLE_COMPLETE:
ioc->start_scan = 0;
@@ -9660,6 +9752,75 @@ _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
}
/**
+ * _scsih_nvme_shutdown - NVMe shutdown notification
+ * @ioc: per adapter object
+ *
+ * Sending IoUnitControl request with shutdown operation code to alert IOC that
+ * the host system is shutting down so that IOC can issue NVMe shutdown to
+ * NVMe drives attached to it.
+ */
+static void
+_scsih_nvme_shutdown(struct MPT3SAS_ADAPTER *ioc)
+{
+ Mpi26IoUnitControlRequest_t *mpi_request;
+ Mpi26IoUnitControlReply_t *mpi_reply;
+ u16 smid;
+
+ /* are there any NVMe devices ? */
+ if (list_empty(&ioc->pcie_device_list))
+ return;
+
+ mutex_lock(&ioc->scsih_cmds.mutex);
+
+ if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
+ ioc_err(ioc, "%s: scsih_cmd in use\n", __func__);
+ goto out;
+ }
+
+ ioc->scsih_cmds.status = MPT3_CMD_PENDING;
+
+ smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
+ if (!smid) {
+ ioc_err(ioc,
+ "%s: failed obtaining a smid\n", __func__);
+ ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
+ goto out;
+ }
+
+ mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+ ioc->scsih_cmds.smid = smid;
+ memset(mpi_request, 0, sizeof(Mpi26IoUnitControlRequest_t));
+ mpi_request->Function = MPI2_FUNCTION_IO_UNIT_CONTROL;
+ mpi_request->Operation = MPI26_CTRL_OP_SHUTDOWN;
+
+ init_completion(&ioc->scsih_cmds.done);
+ ioc->put_smid_default(ioc, smid);
+ /* Wait for max_shutdown_latency seconds */
+ ioc_info(ioc,
+ "Io Unit Control shutdown (sending), Shutdown latency %d sec\n",
+ ioc->max_shutdown_latency);
+ wait_for_completion_timeout(&ioc->scsih_cmds.done,
+ ioc->max_shutdown_latency*HZ);
+
+ if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
+ ioc_err(ioc, "%s: timeout\n", __func__);
+ goto out;
+ }
+
+ if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
+ mpi_reply = ioc->scsih_cmds.reply;
+ ioc_info(ioc, "Io Unit Control shutdown (complete):"
+ "ioc_status(0x%04x), loginfo(0x%08x)\n",
+ le16_to_cpu(mpi_reply->IOCStatus),
+ le32_to_cpu(mpi_reply->IOCLogInfo));
+ }
+ out:
+ ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
+ mutex_unlock(&ioc->scsih_cmds.mutex);
+}
+
+
+/**
* _scsih_ir_shutdown - IR shutdown notification
* @ioc: per adapter object
*
@@ -9851,6 +10012,7 @@ scsih_shutdown(struct pci_dev *pdev)
&ioc->ioc_pg1_copy);
_scsih_ir_shutdown(ioc);
+ _scsih_nvme_shutdown(ioc);
mpt3sas_base_detach(ioc);
}
@@ -10533,6 +10695,8 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
ioc->logging_level = logging_level;
ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
+ /* Host waits for minimum of six seconds */
+ ioc->max_shutdown_latency = IO_UNIT_CONTROL_SHUTDOWN_TIMEOUT;
/*
* Enable MEMORY MOVE support flag.
*/
@@ -10681,6 +10845,7 @@ scsih_suspend(struct pci_dev *pdev, pm_message_t state)
mpt3sas_base_stop_watchdog(ioc);
flush_scheduled_work();
scsi_block_requests(shost);
+ _scsih_nvme_shutdown(ioc);
device_state = pci_choose_state(pdev, state);
ioc_info(ioc, "pdev=0x%p, slot=%s, entering operating state [D%d]\n",
pdev, pci_name(pdev), device_state);
@@ -10715,7 +10880,7 @@ scsih_resume(struct pci_dev *pdev)
r = mpt3sas_base_map_resources(ioc);
if (r)
return r;
-
+ ioc_info(ioc, "Issuing Hard Reset as part of OS Resume\n");
mpt3sas_base_hard_reset_handler(ioc, SOFT_RESET);
scsi_unblock_requests(shost);
mpt3sas_base_start_watchdog(ioc);
@@ -10784,6 +10949,7 @@ scsih_pci_slot_reset(struct pci_dev *pdev)
if (rc)
return PCI_ERS_RESULT_DISCONNECT;
+ ioc_info(ioc, "Issuing Hard Reset as part of PCI Slot Reset\n");
rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
ioc_warn(ioc, "hard reset: %s\n",