From: Kevin Barnett <kevin.barn...@hpe.com>
- make all references to RAID bypass consistent throughout driver.
Reviewed-by: Scott Benesh <scott.ben...@microsemi.com>
Signed-off-by: Kevin Barnett <kevin.barn...@microsemi.com>
Signed-off-by: Don Brace <don.br...@microsemi.com>
---
drivers/scsi/smartpqi/smartpqi.h | 13 ++++----
drivers/scsi/smartpqi/smartpqi_init.c | 56 ++++++++++++++-------------------
2 files changed, 30 insertions(+), 39 deletions(-)
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h
index 2ed15cf..e9f113a 100644
--- a/drivers/scsi/smartpqi/smartpqi.h
+++ b/drivers/scsi/smartpqi/smartpqi.h
@@ -805,12 +805,11 @@ struct pqi_scsi_dev {
u8 bay;
u8 box[8];
u16 phys_connector[8];
- int offload_configured; /* I/O accel RAID offload configured */
- int offload_enabled; /* I/O accel RAID offload enabled */
- int offload_enabled_pending;
- int offload_to_mirror; /* Send next I/O accelerator RAID */
- /* offload request to mirror drive. */
- struct raid_map *raid_map; /* I/O accelerator RAID map */
+ bool raid_bypass_configured; /* RAID bypass configured */
+ bool raid_bypass_enabled; /* RAID bypass enabled */
+ int offload_to_mirror; /* Send next RAID bypass request */
+ /* to mirror drive. */
+ struct raid_map *raid_map; /* RAID bypass map */
struct pqi_sas_port *sas_port;
struct scsi_device *sdev;
@@ -827,7 +826,7 @@ struct pqi_scsi_dev {
#define SCSI_VPD_SUPPORTED_PAGES 0x0 /* standard page */
#define SCSI_VPD_DEVICE_ID 0x83 /* standard page */
#define CISS_VPD_LV_DEVICE_GEOMETRY 0xc1 /* vendor-specific page */
-#define CISS_VPD_LV_OFFLOAD_STATUS 0xc2 /* vendor-specific page */
+#define CISS_VPD_LV_BYPASS_STATUS 0xc2 /* vendor-specific page */
#define CISS_VPD_LV_STATUS 0xc3 /* vendor-specific page */
#define VPD_PAGE (1 << 8)
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c
b/drivers/scsi/smartpqi/smartpqi_init.c
index 4e016df..5f1c607 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -1112,35 +1112,33 @@ static int pqi_get_raid_map(struct pqi_ctrl_info
*ctrl_info,
return rc;
}
-static void pqi_get_offload_status(struct pqi_ctrl_info *ctrl_info,
+static void pqi_get_raid_bypass_status(struct pqi_ctrl_info *ctrl_info,
struct pqi_scsi_dev *device)
{
int rc;
u8 *buffer;
- u8 offload_status;
+ u8 bypass_status;
buffer = kmalloc(64, GFP_KERNEL);
if (!buffer)
return;
rc = pqi_scsi_inquiry(ctrl_info, device->scsi3addr,
- VPD_PAGE | CISS_VPD_LV_OFFLOAD_STATUS, buffer, 64);
+ VPD_PAGE | CISS_VPD_LV_BYPASS_STATUS, buffer, 64);
if (rc)
goto out;
-#define OFFLOAD_STATUS_BYTE 4
-#define OFFLOAD_CONFIGURED_BIT 0x1
-#define OFFLOAD_ENABLED_BIT 0x2
+#define RAID_BYPASS_STATUS 4
+#define RAID_BYPASS_CONFIGURED 0x1
+#define RAID_BYPASS_ENABLED 0x2
- offload_status = buffer[OFFLOAD_STATUS_BYTE];
- device->offload_configured =
- !!(offload_status & OFFLOAD_CONFIGURED_BIT);
- if (device->offload_configured) {
- device->offload_enabled_pending =
- !!(offload_status & OFFLOAD_ENABLED_BIT);
- if (pqi_get_raid_map(ctrl_info, device))
- device->offload_enabled_pending = false;
- }
+ bypass_status = buffer[RAID_BYPASS_STATUS];
+ device->raid_bypass_configured =
+ (bypass_status & RAID_BYPASS_CONFIGURED) != 0;
+ if (device->raid_bypass_configured &&
+ (bypass_status & RAID_BYPASS_ENABLED) &&
+ pqi_get_raid_map(ctrl_info, device) == 0)
+ device->raid_bypass_enabled = true;
out:
kfree(buffer);
@@ -1214,7 +1212,7 @@ static int pqi_get_device_info(struct pqi_ctrl_info
*ctrl_info,
device->volume_offline = false;
} else {
pqi_get_raid_level(ctrl_info, device);
- pqi_get_offload_status(ctrl_info, device);
+ pqi_get_raid_bypass_status(ctrl_info, device);
pqi_get_volume_status(ctrl_info, device);
}
}
@@ -1492,9 +1490,8 @@ static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info,
count += snprintf(buffer + count,
PQI_DEV_INFO_BUFFER_LENGTH - count,
"SSDSmartPathCap%c En%c %-12s",
- device->offload_configured ? '+' : '-',
- (device->offload_enabled ||
- device->offload_enabled_pending) ? '+' : '-',
+ device->raid_bypass_configured ? '+' : '-',
+ device->raid_bypass_enabled ? '+' : '-',
pqi_raid_level_to_string(device->raid_level));
} else {
count += snprintf(buffer + count,
@@ -1546,13 +1543,13 @@ static void pqi_scsi_update_device(struct pqi_scsi_dev
*existing_device,
sizeof(existing_device->box));
memcpy(existing_device->phys_connector, new_device->phys_connector,
sizeof(existing_device->phys_connector));
- existing_device->offload_configured = new_device->offload_configured;
- existing_device->offload_enabled = false;
- existing_device->offload_enabled_pending =
- new_device->offload_enabled_pending;
existing_device->offload_to_mirror = 0;
kfree(existing_device->raid_map);
existing_device->raid_map = new_device->raid_map;
+ existing_device->raid_bypass_configured =
+ new_device->raid_bypass_configured;
+ existing_device->raid_bypass_enabled =
+ new_device->raid_bypass_enabled;
/* To prevent this from being freed later. */
new_device->raid_map = NULL;
@@ -1670,11 +1667,6 @@ static void pqi_update_device_list(struct pqi_ctrl_info
*ctrl_info,
device->keep_device = true;
}
- list_for_each_entry(device, &ctrl_info->scsi_device_list,
- scsi_device_list_entry)
- device->offload_enabled =
- device->offload_enabled_pending;
-
spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags);
/* Remove all devices that have gone away. */
@@ -2044,7 +2036,7 @@ static inline void pqi_set_encryption_info(
}
/*
- * Attempt to perform offload RAID mapping for a logical volume I/O.
+ * Attempt to perform RAID bypass mapping for a logical volume I/O.
*/
#define PQI_RAID_BYPASS_INELIGIBLE 1
@@ -2448,7 +2440,7 @@ static inline void pqi_aio_path_disabled(struct
pqi_io_request *io_request)
struct pqi_scsi_dev *device;
device = io_request->scmd->device->hostdata;
- device->offload_enabled = false;
+ device->raid_bypass_enabled = false;
device->aio_enabled = false;
}
@@ -5002,7 +4994,7 @@ static int pqi_scsi_queue_command(struct Scsi_Host *shost,
if (pqi_is_logical_device(device)) {
raid_bypassed = false;
- if (device->offload_enabled &&
+ if (device->raid_bypass_enabled &&
!blk_rq_is_passthrough(scmd->request)) {
rc = pqi_raid_bypass_submit_scsi_cmd(ctrl_info, device,
scmd, queue_group);
@@ -5753,7 +5745,7 @@ static ssize_t pqi_ssd_smart_path_enabled_show(struct
device *dev,
spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags);
device = sdev->hostdata;
- buffer[0] = device->offload_enabled ? '1' : '0';
+ buffer[0] = device->raid_bypass_enabled ? '1' : '0';
buffer[1] = '\n';
buffer[2] = '\0';
