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Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_base.c')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c95
1 files changed, 70 insertions, 25 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index c60cd9fc4240..acb82181f70f 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -1099,7 +1099,7 @@ megasas_issue_polled(struct megasas_instance *instance, struct megasas_cmd *cmd)
if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
dev_err(&instance->pdev->dev, "Failed from %s %d\n",
__func__, __LINE__);
- return DCMD_NOT_FIRED;
+ return DCMD_INIT;
}
instance->instancet->issue_dcmd(instance, cmd);
@@ -1123,19 +1123,19 @@ megasas_issue_blocked_cmd(struct megasas_instance *instance,
struct megasas_cmd *cmd, int timeout)
{
int ret = 0;
- cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS;
+ cmd->cmd_status_drv = DCMD_INIT;
if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
dev_err(&instance->pdev->dev, "Failed from %s %d\n",
__func__, __LINE__);
- return DCMD_NOT_FIRED;
+ return DCMD_INIT;
}
instance->instancet->issue_dcmd(instance, cmd);
if (timeout) {
ret = wait_event_timeout(instance->int_cmd_wait_q,
- cmd->cmd_status_drv != MFI_STAT_INVALID_STATUS, timeout * HZ);
+ cmd->cmd_status_drv != DCMD_INIT, timeout * HZ);
if (!ret) {
dev_err(&instance->pdev->dev,
"DCMD(opcode: 0x%x) is timed out, func:%s\n",
@@ -1144,10 +1144,9 @@ megasas_issue_blocked_cmd(struct megasas_instance *instance,
}
} else
wait_event(instance->int_cmd_wait_q,
- cmd->cmd_status_drv != MFI_STAT_INVALID_STATUS);
+ cmd->cmd_status_drv != DCMD_INIT);
- return (cmd->cmd_status_drv == MFI_STAT_OK) ?
- DCMD_SUCCESS : DCMD_FAILED;
+ return cmd->cmd_status_drv;
}
/**
@@ -1190,19 +1189,19 @@ megasas_issue_blocked_abort_cmd(struct megasas_instance *instance,
cpu_to_le32(upper_32_bits(cmd_to_abort->frame_phys_addr));
cmd->sync_cmd = 1;
- cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS;
+ cmd->cmd_status_drv = DCMD_INIT;
if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
dev_err(&instance->pdev->dev, "Failed from %s %d\n",
__func__, __LINE__);
- return DCMD_NOT_FIRED;
+ return DCMD_INIT;
}
instance->instancet->issue_dcmd(instance, cmd);
if (timeout) {
ret = wait_event_timeout(instance->abort_cmd_wait_q,
- cmd->cmd_status_drv != MFI_STAT_INVALID_STATUS, timeout * HZ);
+ cmd->cmd_status_drv != DCMD_INIT, timeout * HZ);
if (!ret) {
opcode = cmd_to_abort->frame->dcmd.opcode;
dev_err(&instance->pdev->dev,
@@ -1212,13 +1211,12 @@ megasas_issue_blocked_abort_cmd(struct megasas_instance *instance,
}
} else
wait_event(instance->abort_cmd_wait_q,
- cmd->cmd_status_drv != MFI_STAT_INVALID_STATUS);
+ cmd->cmd_status_drv != DCMD_INIT);
cmd->sync_cmd = 0;
megasas_return_cmd(instance, cmd);
- return (cmd->cmd_status_drv == MFI_STAT_OK) ?
- DCMD_SUCCESS : DCMD_FAILED;
+ return cmd->cmd_status_drv;
}
/**
@@ -1887,6 +1885,10 @@ void megasas_set_dynamic_target_properties(struct scsi_device *sdev,
mr_device_priv_data->is_tm_capable =
raid->capability.tmCapable;
+
+ if (!raid->flags.isEPD)
+ sdev->no_write_same = 1;
+
} else if (instance->use_seqnum_jbod_fp) {
pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +
sdev->id;
@@ -2150,6 +2152,12 @@ static void megasas_complete_outstanding_ioctls(struct megasas_instance *instanc
void megaraid_sas_kill_hba(struct megasas_instance *instance)
{
+ if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
+ dev_warn(&instance->pdev->dev,
+ "Adapter already dead, skipping kill HBA\n");
+ return;
+ }
+
/* Set critical error to block I/O & ioctls in case caller didn't */
atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR);
/* Wait 1 second to ensure IO or ioctls in build have posted */
@@ -2726,7 +2734,7 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance)
"reset queue\n",
reset_cmd);
- reset_cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS;
+ reset_cmd->cmd_status_drv = DCMD_INIT;
instance->instancet->fire_cmd(instance,
reset_cmd->frame_phys_addr,
0, instance->reg_set);
@@ -3416,7 +3424,6 @@ static struct scsi_host_template megasas_template = {
.bios_param = megasas_bios_param,
.change_queue_depth = scsi_change_queue_depth,
.max_segment_size = 0xffffffff,
- .no_write_same = 1,
};
/**
@@ -3432,7 +3439,11 @@ static void
megasas_complete_int_cmd(struct megasas_instance *instance,
struct megasas_cmd *cmd)
{
- cmd->cmd_status_drv = cmd->frame->io.cmd_status;
+ if (cmd->cmd_status_drv == DCMD_INIT)
+ cmd->cmd_status_drv =
+ (cmd->frame->io.cmd_status == MFI_STAT_OK) ?
+ DCMD_SUCCESS : DCMD_FAILED;
+
wake_up(&instance->int_cmd_wait_q);
}
@@ -3451,7 +3462,7 @@ megasas_complete_abort(struct megasas_instance *instance,
{
if (cmd->sync_cmd) {
cmd->sync_cmd = 0;
- cmd->cmd_status_drv = 0;
+ cmd->cmd_status_drv = DCMD_SUCCESS;
wake_up(&instance->abort_cmd_wait_q);
}
}
@@ -3727,7 +3738,7 @@ megasas_issue_pending_cmds_again(struct megasas_instance *instance)
dev_notice(&instance->pdev->dev, "%p synchronous cmd"
"on the internal reset queue,"
"issue it again.\n", cmd);
- cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS;
+ cmd->cmd_status_drv = DCMD_INIT;
instance->instancet->fire_cmd(instance,
cmd->frame_phys_addr,
0, instance->reg_set);
@@ -4392,7 +4403,8 @@ dcmd_timeout_ocr_possible(struct megasas_instance *instance) {
if (instance->adapter_type == MFI_SERIES)
return KILL_ADAPTER;
else if (instance->unload ||
- test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags))
+ test_bit(MEGASAS_FUSION_OCR_NOT_POSSIBLE,
+ &instance->reset_flags))
return IGNORE_TIMEOUT;
else
return INITIATE_OCR;
@@ -7593,6 +7605,7 @@ megasas_resume(struct pci_dev *pdev)
struct Scsi_Host *host;
struct megasas_instance *instance;
int irq_flags = PCI_IRQ_LEGACY;
+ u32 status_reg;
instance = pci_get_drvdata(pdev);
@@ -7620,9 +7633,35 @@ megasas_resume(struct pci_dev *pdev)
/*
* We expect the FW state to be READY
*/
- if (megasas_transition_to_ready(instance, 0))
- goto fail_ready_state;
+ if (megasas_transition_to_ready(instance, 0)) {
+ dev_info(&instance->pdev->dev,
+ "Failed to transition controller to ready from %s!\n",
+ __func__);
+ if (instance->adapter_type != MFI_SERIES) {
+ status_reg =
+ instance->instancet->read_fw_status_reg(instance);
+ if (!(status_reg & MFI_RESET_ADAPTER) ||
+ ((megasas_adp_reset_wait_for_ready
+ (instance, true, 0)) == FAILED))
+ goto fail_ready_state;
+ } else {
+ atomic_set(&instance->fw_reset_no_pci_access, 1);
+ instance->instancet->adp_reset
+ (instance, instance->reg_set);
+ atomic_set(&instance->fw_reset_no_pci_access, 0);
+
+ /* waiting for about 30 seconds before retry */
+ ssleep(30);
+
+ if (megasas_transition_to_ready(instance, 0))
+ goto fail_ready_state;
+ }
+
+ dev_info(&instance->pdev->dev,
+ "FW restarted successfully from %s!\n",
+ __func__);
+ }
if (megasas_set_dma_mask(instance))
goto fail_set_dma_mask;
@@ -8036,6 +8075,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
dma_addr_t sense_handle;
unsigned long *sense_ptr;
u32 opcode = 0;
+ int ret = DCMD_SUCCESS;
memset(kbuff_arr, 0, sizeof(kbuff_arr));
@@ -8176,13 +8216,18 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
* cmd to the SCSI mid-layer
*/
cmd->sync_cmd = 1;
- if (megasas_issue_blocked_cmd(instance, cmd, 0) == DCMD_NOT_FIRED) {
+
+ ret = megasas_issue_blocked_cmd(instance, cmd, 0);
+ switch (ret) {
+ case DCMD_INIT:
+ case DCMD_BUSY:
cmd->sync_cmd = 0;
dev_err(&instance->pdev->dev,
"return -EBUSY from %s %d cmd 0x%x opcode 0x%x cmd->cmd_status_drv 0x%x\n",
- __func__, __LINE__, cmd->frame->hdr.cmd, opcode,
- cmd->cmd_status_drv);
- return -EBUSY;
+ __func__, __LINE__, cmd->frame->hdr.cmd, opcode,
+ cmd->cmd_status_drv);
+ error = -EBUSY;
+ goto out;
}
cmd->sync_cmd = 0;