From: Kevin Barnett <kevin.barn...@hpe.com>
make the queue depth for LVs the same as the maximum
I/Os supported by the controller
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 | 6 -
drivers/scsi/smartpqi/smartpqi_init.c | 140 ++-------------------------------
2 files changed, 8 insertions(+), 138 deletions(-)
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h
index 400d1fb..857d1be 100644
--- a/drivers/scsi/smartpqi/smartpqi.h
+++ b/drivers/scsi/smartpqi/smartpqi.h
@@ -726,7 +726,6 @@ struct report_phys_lun_extended_entry {
};
/* for device_flags field of struct report_phys_lun_extended_entry */
-#define REPORT_PHYS_LUN_DEV_FLAG_NON_DISK 0x1
#define REPORT_PHYS_LUN_DEV_FLAG_AIO_ENABLED 0x8
struct report_phys_lun_extended {
@@ -786,8 +785,6 @@ struct pqi_scsi_dev {
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;
u8 aio_enabled : 1; /* only valid for physical disks */
u8 device_gone : 1;
u8 new_device : 1;
@@ -1034,9 +1031,6 @@ enum pqi_ctrl_mode {
*/
#define PQI_PHYSICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH 27
-/* 0 = no limit */
-#define PQI_LOGICAL_DRIVE_DEFAULT_MAX_QUEUE_DEPTH 0
-
/* CISS commands */
#define CISS_READ 0xc0
#define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c
b/drivers/scsi/smartpqi/smartpqi_init.c
index cdc3407..23ebe22 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -1302,87 +1302,6 @@ static void pqi_show_volume_status(struct pqi_ctrl_info
*ctrl_info,
device->bus, device->target, device->lun, status);
}
-static struct pqi_scsi_dev *pqi_find_disk_by_aio_handle(
- struct pqi_ctrl_info *ctrl_info, u32 aio_handle)
-{
- struct pqi_scsi_dev *device;
-
- list_for_each_entry(device, &ctrl_info->scsi_device_list,
- scsi_device_list_entry) {
- if (device->devtype != TYPE_DISK && device->devtype != TYPE_ZBC)
- continue;
- if (pqi_is_logical_device(device))
- continue;
- if (device->aio_handle == aio_handle)
- return device;
- }
-
- return NULL;
-}
-
-static void pqi_update_logical_drive_queue_depth(
- struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *logical_drive)
-{
- unsigned int i;
- struct raid_map *raid_map;
- struct raid_map_disk_data *disk_data;
- struct pqi_scsi_dev *phys_disk;
- unsigned int num_phys_disks;
- unsigned int num_raid_map_entries;
- unsigned int queue_depth;
-
- logical_drive->queue_depth = PQI_LOGICAL_DRIVE_DEFAULT_MAX_QUEUE_DEPTH;
-
- raid_map = logical_drive->raid_map;
- if (!raid_map)
- return;
-
- disk_data = raid_map->disk_data;
- num_phys_disks = get_unaligned_le16(&raid_map->layout_map_count) *
- (get_unaligned_le16(&raid_map->data_disks_per_row) +
- get_unaligned_le16(&raid_map->metadata_disks_per_row));
- num_raid_map_entries = num_phys_disks *
- get_unaligned_le16(&raid_map->row_cnt);
-
- queue_depth = 0;
- for (i = 0; i < num_raid_map_entries; i++) {
- phys_disk = pqi_find_disk_by_aio_handle(ctrl_info,
- disk_data[i].aio_handle);
-
- if (!phys_disk) {
- dev_warn(&ctrl_info->pci_dev->dev,
- "failed to find physical disk for logical drive
%016llx\n",
- get_unaligned_be64(logical_drive->scsi3addr));
- logical_drive->offload_enabled = false;
- logical_drive->offload_enabled_pending = false;
- kfree(raid_map);
- logical_drive->raid_map = NULL;
- return;
- }
-
- queue_depth += phys_disk->queue_depth;
- }
-
- logical_drive->queue_depth = queue_depth;
-}
-
-static void pqi_update_all_logical_drive_queue_depths(
- struct pqi_ctrl_info *ctrl_info)
-{
- struct pqi_scsi_dev *device;
-
- list_for_each_entry(device, &ctrl_info->scsi_device_list,
- scsi_device_list_entry) {
- if (device->devtype != TYPE_DISK && device->devtype != TYPE_ZBC)
- continue;
- if (!pqi_is_logical_device(device))
- continue;
- if (device->is_external_raid_device)
- continue;
- pqi_update_logical_drive_queue_depth(ctrl_info, device);
- }
-}
-
static void pqi_rescan_worker(struct work_struct *work)
{
struct pqi_ctrl_info *ctrl_info;
@@ -1478,7 +1397,7 @@ static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info,
char *action, struct pqi_scsi_dev *device)
{
dev_info(&ctrl_info->pci_dev->dev,
- "%s scsi %d:%d:%d:%d: %s %.8s %.16s %-12s SSDSmartPathCap%c
En%c Exp%c qd=%d\n",
+ "%s scsi %d:%d:%d:%d: %s %.8s %.16s %-12s SSDSmartPathCap%c
En%c qd=%d\n",
action,
ctrl_info->scsi_host->host_no,
device->bus,
@@ -1491,7 +1410,6 @@ static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info,
pqi_raid_level_to_string(device->raid_level) : "",
device->offload_configured ? '+' : '-',
device->offload_enabled_pending ? '+' : '-',
- device->expose_device ? '+' : '-',
device->queue_depth);
}
@@ -1514,8 +1432,6 @@ static void pqi_scsi_update_device(struct pqi_scsi_dev
*existing_device,
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;
memcpy(existing_device->vendor, new_device->vendor,
sizeof(existing_device->vendor));
@@ -1657,8 +1573,6 @@ static void pqi_update_device_list(struct pqi_ctrl_info
*ctrl_info,
device->keep_device = true;
}
- pqi_update_all_logical_drive_queue_depths(ctrl_info);
-
list_for_each_entry(device, &ctrl_info->scsi_device_list,
scsi_device_list_entry)
device->offload_enabled =
@@ -1697,7 +1611,7 @@ static void pqi_update_device_list(struct pqi_ctrl_info
*ctrl_info,
/* Expose any new devices. */
list_for_each_entry_safe(device, next, &add_list, add_list_entry) {
- if (device->expose_device && !device->sdev) {
+ if (!device->sdev) {
rc = pqi_add_device(ctrl_info, device);
if (rc) {
dev_warn(&ctrl_info->pci_dev->dev,
@@ -1740,38 +1654,15 @@ static bool pqi_is_supported_device(struct pqi_scsi_dev
*device)
return is_supported;
}
-static inline bool pqi_skip_device(u8 *scsi3addr,
- struct report_phys_lun_extended_entry *phys_lun_ext_entry)
+static inline bool pqi_skip_device(u8 *scsi3addr)
{
- u8 device_flags;
-
- if (!MASKED_DEVICE(scsi3addr))
- return false;
-
- /* The device is masked. */
-
- device_flags = phys_lun_ext_entry->device_flags;
-
- if (device_flags & REPORT_PHYS_LUN_DEV_FLAG_NON_DISK) {
- /*
- * It's a non-disk device. We ignore all devices of this type
- * when they're masked.
- */
+ /* Ignore all masked devices. */
+ if (MASKED_DEVICE(scsi3addr))
return true;
- }
return false;
}
-static inline bool pqi_ok_to_expose_device(struct pqi_scsi_dev *device)
-{
- /* Expose all devices except for physical devices that are masked. */
- if (device->is_physical_device && MASKED_DEVICE(device->scsi3addr))
- return false;
-
- return true;
-}
-
static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info)
{
int i;
@@ -1870,8 +1761,7 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info
*ctrl_info)
scsi3addr = log_lun_ext_entry->lunid;
}
- if (is_physical_device &&
- pqi_skip_device(scsi3addr, phys_lun_ext_entry))
+ if (is_physical_device && pqi_skip_device(scsi3addr))
continue;
if (device)
@@ -1906,8 +1796,6 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info
*ctrl_info)
pqi_assign_bus_target_lun(device);
- device->expose_device = pqi_ok_to_expose_device(device);
-
if (device->is_physical_device) {
device->wwid = phys_lun_ext_entry->wwid;
if ((phys_lun_ext_entry->device_flags &
@@ -4840,7 +4728,7 @@ static int pqi_scsi_queue_command(struct Scsi_Host *shost,
rc == SCSI_MLQUEUE_HOST_BUSY ||
rc == SAM_STAT_CHECK_CONDITION ||
rc == SAM_STAT_RESERVATION_CONFLICT)
- raid_bypassed = true;
+ raid_bypassed = true;
}
if (!raid_bypassed)
rc = pqi_raid_submit_scsi_cmd(ctrl_info, device, scmd,
@@ -5166,7 +5054,7 @@ static int pqi_slave_alloc(struct scsi_device *sdev)
sdev_id(sdev), sdev->lun);
}
- if (device && device->expose_device) {
+ if (device) {
sdev->hostdata = device;
device->sdev = sdev;
if (device->queue_depth) {
@@ -5181,17 +5069,6 @@ static int pqi_slave_alloc(struct scsi_device *sdev)
return 0;
}
-static int pqi_slave_configure(struct scsi_device *sdev)
-{
- struct pqi_scsi_dev *device;
-
- device = sdev->hostdata;
- if (!device->expose_device)
- sdev->no_uld_attach = true;
-
- return 0;
-}
-
static int pqi_map_queues(struct Scsi_Host *shost)
{
struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost);
@@ -5585,7 +5462,6 @@ static struct scsi_host_template pqi_driver_template = {
.eh_device_reset_handler = pqi_eh_device_reset_handler,
.ioctl = pqi_ioctl,
.slave_alloc = pqi_slave_alloc,
- .slave_configure = pqi_slave_configure,
.map_queues = pqi_map_queues,
.sdev_attrs = pqi_sdev_attrs,
.shost_attrs = pqi_shost_attrs,
