UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

scsi: smartpqi: remove qdepth calculations for logical volumes 

make the queue depth for LVs the same as the maximum
I/Os supported by the controller

Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Kevin Barnett 2017-05-03 18:54:31 -05:00 committed by Martin K. Petersen
parent d727a776d7
commit 94086f5be3
2 changed files with 8 additions and 138 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/scsi/smartpqi/smartpqi.h
View File

@ -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 */

140
drivers/scsi/smartpqi/smartpqi_init.c
View File

@ -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,