From: Kevin Barnett <kevin.barnett@xxxxxxx>
add support for PTRAID devices
Reviewed-by: Scott Benesh <scott.benesh@xxxxxxxxxxxxx>
Signed-off-by: Kevin Barnett <kevin.barnett@xxxxxxxxxxxxx>
Signed-off-by: Don Brace <don.brace@xxxxxxxxxxxxx>
---
drivers/scsi/smartpqi/smartpqi.h | 8 +++---
drivers/scsi/smartpqi/smartpqi_init.c | 48 ++++++++++++++++++++++++++++-----
2 files changed, 46 insertions(+), 10 deletions(-)
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h
index d044a58c..be04bcb 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 c5b37bc..f943e58 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -147,6 +147,16 @@ static inline bool pqi_is_logical_device(struct pqi_scsi_dev *device)
return !device->is_physical_device;
}
+static inline bool pqi_is_external_raid_device(struct pqi_scsi_dev *device)
+{
+ return device->is_external_raid_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 +895,9 @@ 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 +910,16 @@ 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 (pqi_is_external_raid_device(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 +1158,15 @@ 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 (pqi_is_external_raid_device(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:
@@ -1356,6 +1383,8 @@ static void pqi_update_all_logical_drive_queue_depths(
continue;
if (!pqi_is_logical_device(device))
continue;
+ if (pqi_is_external_raid_device(device))
+ continue;
pqi_update_logical_drive_queue_depth(ctrl_info, device);
}
}
@@ -1464,7 +1493,8 @@ 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 ? '+' : '-',
@@ -1488,6 +1518,8 @@ 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;
@@ -1856,7 +1888,9 @@ 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);
