From bd10cf0be6057f680fab911d89761fd15d76b205 Mon Sep 17 00:00:00 2001 From: Kevin Barnett Date: Wed, 3 May 2017 18:54:12 -0500 Subject: scsi: smartpqi: add ptraid support add support for PTRAID devices Reviewed-by: Scott Benesh Signed-off-by: Kevin Barnett Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi.h | 8 ++++--- drivers/scsi/smartpqi/smartpqi_init.c | 43 +++++++++++++++++++++++++++++------ 2 files changed, 41 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index d044a58c2a2b..be04bcb7db36 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -694,7 +694,8 @@ struct pqi_config_table_heartbeat { #define PQI_PHYSICAL_DEVICE_BUS 0 #define PQI_RAID_VOLUME_BUS 1 #define PQI_HBA_BUS 2 -#define PQI_MAX_BUS PQI_HBA_BUS +#define PQI_EXTERNAL_RAID_VOLUME_BUS 3 +#define PQI_MAX_BUS PQI_EXTERNAL_RAID_VOLUME_BUS struct report_lun_header { __be32 list_length; @@ -781,6 +782,7 @@ struct pqi_scsi_dev { __be64 wwid; u8 volume_id[16]; u8 is_physical_device : 1; + u8 is_external_raid_device : 1; u8 target_lun_valid : 1; u8 expose_device : 1; u8 no_uld_attach : 1; @@ -1056,10 +1058,10 @@ enum pqi_ctrl_mode { #define SA_CACHE_FLUSH 0x1 #define MASKED_DEVICE(lunid) ((lunid)[3] & 0xc0) -#define CISS_GET_BUS(lunid) ((lunid)[7] & 0x3f) +#define CISS_GET_LEVEL_2_BUS(lunid) ((lunid)[7] & 0x3f) #define CISS_GET_LEVEL_2_TARGET(lunid) ((lunid)[6]) #define CISS_GET_DRIVE_NUMBER(lunid) \ - (((CISS_GET_BUS((lunid)) - 1) << 8) + \ + (((CISS_GET_LEVEL_2_BUS((lunid)) - 1) << 8) + \ CISS_GET_LEVEL_2_TARGET((lunid))) #define NO_TIMEOUT ((unsigned long) -1) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 4b0928f074ac..11545f322561 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -147,6 +147,11 @@ static inline bool pqi_is_logical_device(struct pqi_scsi_dev *device) return !device->is_physical_device; } +static inline bool pqi_is_external_raid_addr(u8 *scsi3addr) +{ + return scsi3addr[2] != 0; +} + static inline bool pqi_ctrl_offline(struct pqi_ctrl_info *ctrl_info) { return !ctrl_info->controller_online; @@ -885,6 +890,9 @@ static void pqi_assign_bus_target_lun(struct pqi_scsi_dev *device) { u8 *scsi3addr; u32 lunid; + int bus; + int target; + int lun; scsi3addr = device->scsi3addr; lunid = get_unaligned_le32(scsi3addr); @@ -897,8 +905,16 @@ static void pqi_assign_bus_target_lun(struct pqi_scsi_dev *device) } if (pqi_is_logical_device(device)) { - pqi_set_bus_target_lun(device, PQI_RAID_VOLUME_BUS, 0, - lunid & 0x3fff); + if (device->is_external_raid_device) { + bus = PQI_EXTERNAL_RAID_VOLUME_BUS; + target = (lunid >> 16) & 0x3fff; + lun = lunid & 0xff; + } else { + bus = PQI_RAID_VOLUME_BUS; + target = 0; + lun = lunid & 0x3fff; + } + pqi_set_bus_target_lun(device, bus, target, lun); device->target_lun_valid = true; return; } @@ -1137,9 +1153,15 @@ static int pqi_get_device_info(struct pqi_ctrl_info *ctrl_info, memcpy(device->model, &buffer[16], sizeof(device->model)); if (pqi_is_logical_device(device) && device->devtype == TYPE_DISK) { - pqi_get_raid_level(ctrl_info, device); - pqi_get_offload_status(ctrl_info, device); - pqi_get_volume_status(ctrl_info, device); + if (device->is_external_raid_device) { + device->raid_level = SA_RAID_UNKNOWN; + device->volume_status = CISS_LV_OK; + device->volume_offline = false; + } else { + pqi_get_raid_level(ctrl_info, device); + pqi_get_offload_status(ctrl_info, device); + pqi_get_volume_status(ctrl_info, device); + } } out: @@ -1355,6 +1377,8 @@ static void pqi_update_all_logical_drive_queue_depths( continue; if (!pqi_is_logical_device(device)) continue; + if (device->is_external_raid_device) + continue; pqi_update_logical_drive_queue_depth(ctrl_info, device); } } @@ -1463,7 +1487,8 @@ static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info, scsi_device_type(device->devtype), device->vendor, device->model, - pqi_raid_level_to_string(device->raid_level), + pqi_is_logical_device(device) ? + pqi_raid_level_to_string(device->raid_level) : "", device->offload_configured ? '+' : '-', device->offload_enabled_pending ? '+' : '-', device->expose_device ? '+' : '-', @@ -1487,6 +1512,8 @@ static void pqi_scsi_update_device(struct pqi_scsi_dev *existing_device, /* By definition, the scsi3addr and wwid fields are already the same. */ existing_device->is_physical_device = new_device->is_physical_device; + existing_device->is_external_raid_device = + new_device->is_external_raid_device; existing_device->expose_device = new_device->expose_device; existing_device->no_uld_attach = new_device->no_uld_attach; existing_device->aio_enabled = new_device->aio_enabled; @@ -1855,7 +1882,9 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) memcpy(device->scsi3addr, scsi3addr, sizeof(device->scsi3addr)); device->is_physical_device = is_physical_device; - device->raid_level = SA_RAID_UNKNOWN; + if (!is_physical_device) + device->is_external_raid_device = + pqi_is_external_raid_addr(scsi3addr); /* Gather information about the device. */ rc = pqi_get_device_info(ctrl_info, device); -- cgit v1.2.3