diff options
| author |   Kevin Barnett <kevin.barnett@microchip.com> | 2021-03-11 14:16:20 -0600 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2021-04-05 23:02:30 -0400 |
| commit | 7a84a821f194bb1e509219c80efcbff2b4d47e45 (patch) | |
| tree | 3142a7a7e22b00c93896f9a3d8cf878eaeda13ce /drivers/scsi/smartpqi | |
| parent | scsi: smartpqi: Remove timeouts from internal cmds (diff) | |
| download | linux-dev-7a84a821f194bb1e509219c80efcbff2b4d47e45.tar.xz linux-dev-7a84a821f194bb1e509219c80efcbff2b4d47e45.zip | |
scsi: smartpqi: Add support for wwid
WWID has been added to Report Physical LUNs in newer controller
firmware. The presence of this field is detected by a feature bit. Add
detection of this new feature and store the WWID when set.
Link: https://lore.kernel.org/r/161549378041.25025.3869709982357729841.stgit@brunhilda
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Signed-off-by: Kevin Barnett <kevin.barnett@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')
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi.h | 5 | ||||
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi_init.c | 24 |
2 files changed, 27 insertions, 2 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index 8e5e2543c7cf..a579d772dce0 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -853,7 +853,8 @@ struct pqi_config_table_firmware_features { #define PQI_FIRMWARE_FEATURE_RAID_IU_TIMEOUT 13 #define PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT 14 #define PQI_FIRMWARE_FEATURE_RAID_BYPASS_ON_ENCRYPTED_NVME 15 -#define PQI_FIRMWARE_FEATURE_MAXIMUM 15 +#define PQI_FIRMWARE_FEATURE_UNIQUE_WWID_IN_REPORT_PHYS_LUN 16 +#define PQI_FIRMWARE_FEATURE_MAXIMUM 16 struct pqi_config_table_debug { struct pqi_config_table_section_header header; @@ -1110,6 +1111,7 @@ struct pqi_scsi_dev { struct pqi_stream_data stream_data[NUM_STREAMS_PER_LUN]; atomic_t scsi_cmds_outstanding; atomic_t raid_bypass_cnt; + u8 page_83_identifier[16]; }; /* VPD inquiry pages */ @@ -1303,6 +1305,7 @@ struct pqi_ctrl_info { u8 soft_reset_handshake_supported : 1; u8 raid_iu_timeout_supported : 1; u8 tmf_iu_timeout_supported : 1; + u8 unique_wwid_in_report_phys_lun_supported : 1; u8 enable_r1_writes : 1; u8 enable_r5_writes : 1; u8 enable_r6_writes : 1; diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index d442aabf8fe8..a226b7e32e3d 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -1441,6 +1441,9 @@ static int pqi_get_physical_device_info(struct pqi_ctrl_info *ctrl_info, sizeof(device->phys_connector)); device->bay = id_phys->phys_bay_in_box; + memcpy(&device->page_83_identifier, &id_phys->page_83_identifier, + sizeof(device->page_83_identifier)); + return 0; } @@ -2045,6 +2048,16 @@ static inline bool pqi_expose_device(struct pqi_scsi_dev *device) return !device->is_physical_device || !pqi_skip_device(device->scsi3addr); } +static inline void pqi_set_physical_device_wwid(struct pqi_ctrl_info *ctrl_info, + struct pqi_scsi_dev *device, struct report_phys_lun_extended_entry *phys_lun_ext_entry) +{ + if (ctrl_info->unique_wwid_in_report_phys_lun_supported || + pqi_is_device_with_sas_address(device)) + device->wwid = phys_lun_ext_entry->wwid; + else + device->wwid = cpu_to_be64(get_unaligned_be64(&device->page_83_identifier)); +} + static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) { int i; @@ -2210,7 +2223,7 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) pqi_assign_bus_target_lun(device); if (device->is_physical_device) { - device->wwid = phys_lun_ext_entry->wwid; + pqi_set_physical_device_wwid(ctrl_info, device, phys_lun_ext_entry); if ((phys_lun_ext_entry->device_flags & CISS_REPORT_PHYS_DEV_FLAG_AIO_ENABLED) && phys_lun_ext_entry->aio_handle) { @@ -7407,6 +7420,10 @@ static void pqi_ctrl_update_feature_flags(struct pqi_ctrl_info *ctrl_info, case PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT: ctrl_info->tmf_iu_timeout_supported = firmware_feature->enabled; break; + case PQI_FIRMWARE_FEATURE_UNIQUE_WWID_IN_REPORT_PHYS_LUN: + ctrl_info->unique_wwid_in_report_phys_lun_supported = + firmware_feature->enabled; + break; } pqi_firmware_feature_status(ctrl_info, firmware_feature); @@ -7497,6 +7514,11 @@ static struct pqi_firmware_feature pqi_firmware_features[] = { .feature_bit = PQI_FIRMWARE_FEATURE_RAID_BYPASS_ON_ENCRYPTED_NVME, .feature_status = pqi_firmware_feature_status, }, + { + .feature_name = "Unique WWID in Report Physical LUN", + .feature_bit = PQI_FIRMWARE_FEATURE_UNIQUE_WWID_IN_REPORT_PHYS_LUN, + .feature_status = pqi_ctrl_update_feature_flags, + }, }; static void pqi_process_firmware_features( |