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| author | Murthy Bhat <Murthy.Bhat@microchip.com> | 2021-09-29 02:54:34 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-10-05 07:13:14 +0300 |
| commit | 5d1f03e6f49ae80d417dc72d1ee16a3379e2c026 (patch) | |
| tree | 29202d1d68a9a6423ab8f4e2eb31b29bff69d337 /drivers/scsi/smartpqi/smartpqi.h | |
| parent | 9ee5d6e9ac52a3c8625697535f8e35864d9fd38c (diff) | |
| download | linux-5d1f03e6f49ae80d417dc72d1ee16a3379e2c026.tar.xz | |
scsi: smartpqi: Capture controller reason codes
In some rare cases, the driver can halt the controller. Add a reason code
describing why the controller was halted. Store this reason code in a
controller register to aid in debugging the issue.
Link: https://lore.kernel.org/r/20210928235442.201875-4-don.brace@microchip.com
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Acked-by: John Donnelly <john.p.donnelly@oracle.com>
Signed-off-by: Murthy Bhat <Murthy.Bhat@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/smartpqi/smartpqi.h')
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi.h | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index 70eca203d72f..d66863f8d1cf 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -82,9 +82,11 @@ struct pqi_ctrl_registers { __le32 sis_product_identifier; /* B4h */ u8 reserved5[0xbc - (0xb4 + sizeof(__le32))]; __le32 sis_firmware_status; /* BCh */ - u8 reserved6[0x1000 - (0xbc + sizeof(__le32))]; + u8 reserved6[0xcc - (0xbc + sizeof(__le32))]; + __le32 sis_ctrl_shutdown_reason_code; /* CCh */ + u8 reserved7[0x1000 - (0xcc + sizeof(__le32))]; __le32 sis_mailbox[8]; /* 1000h */ - u8 reserved7[0x4000 - (0x1000 + (sizeof(__le32) * 8))]; + u8 reserved8[0x4000 - (0x1000 + (sizeof(__le32) * 8))]; /* * The PQI spec states that the PQI registers should be at * offset 0 from the PCIe BAR 0. However, we can't map @@ -102,6 +104,21 @@ struct pqi_ctrl_registers { #define PQI_DEVICE_REGISTERS_OFFSET 0x4000 +/* shutdown reasons for taking the controller offline */ +enum pqi_ctrl_shutdown_reason { + PQI_IQ_NOT_DRAINED_TIMEOUT = 1, + PQI_LUN_RESET_TIMEOUT = 2, + PQI_IO_PENDING_POST_LUN_RESET_TIMEOUT = 3, + PQI_NO_HEARTBEAT = 4, + PQI_FIRMWARE_KERNEL_NOT_UP = 5, + PQI_OFA_RESPONSE_TIMEOUT = 6, + PQI_INVALID_REQ_ID = 7, + PQI_UNMATCHED_REQ_ID = 8, + PQI_IO_PI_OUT_OF_RANGE = 9, + PQI_EVENT_PI_OUT_OF_RANGE = 10, + PQI_UNEXPECTED_IU_TYPE = 11 +}; + enum pqi_io_path { RAID_PATH = 0, AIO_PATH = 1 @@ -850,7 +867,8 @@ struct pqi_config_table_firmware_features { #define PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT 14 #define PQI_FIRMWARE_FEATURE_RAID_BYPASS_ON_ENCRYPTED_NVME 15 #define PQI_FIRMWARE_FEATURE_UNIQUE_WWID_IN_REPORT_PHYS_LUN 16 -#define PQI_FIRMWARE_FEATURE_MAXIMUM 16 +#define PQI_FIRMWARE_FEATURE_FW_TRIAGE 17 +#define PQI_FIRMWARE_FEATURE_MAXIMUM 17 struct pqi_config_table_debug { struct pqi_config_table_section_header header; @@ -1297,6 +1315,7 @@ struct pqi_ctrl_info { u8 raid_iu_timeout_supported : 1; u8 tmf_iu_timeout_supported : 1; u8 unique_wwid_in_report_phys_lun_supported : 1; + u8 firmware_triage_supported : 1; u8 enable_r1_writes : 1; u8 enable_r5_writes : 1; u8 enable_r6_writes : 1; |