diff options
| author | Shivasharan S <shivasharan.srikanteshwara@broadcom.com> | 2019-05-07 19:05:44 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-06-19 01:46:20 +0200 |
| commit | b6661342f26bbeb75948827b9bb0484c19d41865 (patch) | |
| tree | 7c8fafccf8298f6277b55171fed350094df75643 /drivers/scsi/megaraid | |
| parent | scsi: megaraid_sas: Export RAID map id through sysfs (diff) | |
| download | linux-b6661342f26bbeb75948827b9bb0484c19d41865.tar.xz linux-b6661342f26bbeb75948827b9bb0484c19d41865.zip | |
scsi: megaraid_sas: Print FW fault information
When driver detects a firmware fault during load, dump additional
information on fault code and subcode that will help in debugging.
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/megaraid')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 5 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.c | 25 |
3 files changed, 20 insertions, 12 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 27980d68cf1b..8df6ef01785e 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -135,6 +135,8 @@ #define MFI_RESET_ADAPTER 0x00000002 #define MEGAMFI_FRAME_SIZE 64 +#define MFI_STATE_FAULT_CODE 0x0FFF0000 +#define MFI_STATE_FAULT_SUBCODE 0x0000FF00 /* * During FW init, clear pending cmds & reset state using inbound_msg_0 * diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index ed38cec35604..fce79f36ace6 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -3918,7 +3918,10 @@ megasas_transition_to_ready(struct megasas_instance *instance, int ocr) switch (fw_state) { case MFI_STATE_FAULT: - dev_printk(KERN_DEBUG, &instance->pdev->dev, "FW in FAULT state!!\n"); + dev_printk(KERN_ERR, &instance->pdev->dev, + "FW in FAULT state, Fault code:0x%x subcode:0x%x func:%s\n", + abs_state & MFI_STATE_FAULT_CODE, + abs_state & MFI_STATE_FAULT_SUBCODE, __func__); if (ocr) { max_wait = MEGASAS_RESET_WAIT_TIME; cur_state = MFI_STATE_FAULT; diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 7ee9d128ae43..7ec4920e3618 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -3983,7 +3983,7 @@ megasas_check_reset_fusion(struct megasas_instance *instance, static inline void megasas_trigger_snap_dump(struct megasas_instance *instance) { int j; - u32 fw_state; + u32 fw_state, abs_state; if (!instance->disableOnlineCtrlReset) { dev_info(&instance->pdev->dev, "Trigger snap dump\n"); @@ -3993,11 +3993,13 @@ static inline void megasas_trigger_snap_dump(struct megasas_instance *instance) } for (j = 0; j < instance->snapdump_wait_time; j++) { - fw_state = instance->instancet->read_fw_status_reg(instance) & - MFI_STATE_MASK; + abs_state = instance->instancet->read_fw_status_reg(instance); + fw_state = abs_state & MFI_STATE_MASK; if (fw_state == MFI_STATE_FAULT) { - dev_err(&instance->pdev->dev, - "Found FW in FAULT state, after snap dump trigger\n"); + dev_printk(KERN_ERR, &instance->pdev->dev, + "FW in FAULT state Fault code:0x%x subcode:0x%x func:%s\n", + abs_state & MFI_STATE_FAULT_CODE, + abs_state & MFI_STATE_FAULT_SUBCODE, __func__); return; } msleep(1000); @@ -4009,7 +4011,7 @@ int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance, int reason, int *convert) { int i, outstanding, retval = 0, hb_seconds_missed = 0; - u32 fw_state; + u32 fw_state, abs_state; u32 waittime_for_io_completion; waittime_for_io_completion = @@ -4028,12 +4030,13 @@ int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance, for (i = 0; i < waittime_for_io_completion; i++) { /* Check if firmware is in fault state */ - fw_state = instance->instancet->read_fw_status_reg(instance) & - MFI_STATE_MASK; + abs_state = instance->instancet->read_fw_status_reg(instance); + fw_state = abs_state & MFI_STATE_MASK; if (fw_state == MFI_STATE_FAULT) { - dev_warn(&instance->pdev->dev, "Found FW in FAULT state," - " will reset adapter scsi%d.\n", - instance->host->host_no); + dev_printk(KERN_ERR, &instance->pdev->dev, + "FW in FAULT state Fault code:0x%x subcode:0x%x func:%s\n", + abs_state & MFI_STATE_FAULT_CODE, + abs_state & MFI_STATE_FAULT_SUBCODE, __func__); megasas_complete_cmd_dpc_fusion((unsigned long)instance); if (instance->requestorId && reason) { dev_warn(&instance->pdev->dev, "SR-IOV Found FW in FAULT" |