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hpsa: use ioaccel2 path to submit IOs to physical drives in HBA mode. 

use ioaccel2 path to submit I/O to physical drives in HBA mode

Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Reviewed-by: Kevin Barnett <kevin.barnett@pmcs.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Hannes Reinecke <hare@Suse.de>
Signed-off-by: Joe Handzik <joseph.t.handzik@hp.com>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Joe Handzik 2015-04-23 09:32:59 -05:00 committed by James Bottomley
parent a473d86cc9
commit a3144e0b7c
2 changed files with 10 additions and 1 deletions
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10
drivers/scsi/hpsa.c
View File

@ -1093,6 +1093,11 @@ static void hpsa_scsi_update_entry(struct ctlr_info *h, int hostno,
h->dev[entry]->raid_map = new_entry->raid_map;
h->dev[entry]->ioaccel_handle = new_entry->ioaccel_handle;
}
if (new_entry->hba_ioaccel_enabled) {
h->dev[entry]->ioaccel_handle = new_entry->ioaccel_handle;
wmb(); /* set ioaccel_handle *before* hba_ioaccel_enabled */
}
h->dev[entry]->hba_ioaccel_enabled = new_entry->hba_ioaccel_enabled;
h->dev[entry]->offload_config = new_entry->offload_config;
h->dev[entry]->offload_to_mirror = new_entry->offload_to_mirror;
h->dev[entry]->queue_depth = new_entry->queue_depth;
@ -3006,6 +3011,7 @@ static int hpsa_update_device_info(struct ctlr_info *h,
this_device->offload_config = 0;
this_device->offload_enabled = 0;
this_device->offload_to_be_enabled = 0;
this_device->hba_ioaccel_enabled = 0;
this_device->volume_offline = 0;
this_device->queue_depth = h->nr_cmds;
}
@ -3294,6 +3300,8 @@ static void hpsa_get_ioaccel_drive_info(struct ctlr_info *h,
(struct ext_report_lun_entry *) lunaddrbytes;
dev->ioaccel_handle = rle->ioaccel_handle;
if (PHYS_IOACCEL(lunaddrbytes) && dev->ioaccel_handle)
dev->hba_ioaccel_enabled = 1;
memset(id_phys, 0, sizeof(*id_phys));
rc = hpsa_bmic_id_physical_device(h, lunaddrbytes,
GET_BMIC_DRIVE_NUMBER(lunaddrbytes), id_phys,
@ -4395,7 +4403,7 @@ static int hpsa_ioaccel_submit(struct ctlr_info *h,
rc = hpsa_scsi_ioaccel_raid_map(h, c);
if (rc < 0) /* scsi_dma_map failed. */
rc = SCSI_MLQUEUE_HOST_BUSY;
} else if (dev->ioaccel_handle) {
} else if (dev->hba_ioaccel_enabled) {
hpsa_cmd_init(h, c->cmdindex, c);
c->cmd_type = CMD_SCSI;
c->scsi_cmd = cmd;

1
drivers/scsi/hpsa.h
View File

@ -55,6 +55,7 @@ struct hpsa_scsi_dev_t {
int offload_config; /* I/O accel RAID offload configured */
int offload_enabled; /* I/O accel RAID offload enabled */
int offload_to_be_enabled;
int hba_ioaccel_enabled;
int offload_to_mirror; /* Send next I/O accelerator RAID
* offload request to mirror drive
*/