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| author | Joe Handzik <joseph.t.handzik@hp.com> | 2015-04-23 16:32:59 +0200 |
|---|---|---|
| committer | James Bottomley <JBottomley@Odin.com> | 2015-05-31 20:28:27 +0200 |
| commit | a3144e0b7c2d09ec0a60ef4697c7c3c0bb299ecb (patch) | |
| tree | 1d200c06a4ab64d24c449afe0d06942f49923375 | |
| parent | hpsa: print accurate SSD Smart Path Enabled status (diff) | |
| download | linux-a3144e0b7c2d09ec0a60ef4697c7c3c0bb299ecb.tar.xz linux-a3144e0b7c2d09ec0a60ef4697c7c3c0bb299ecb.zip | |
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>
| -rw-r--r-- | drivers/scsi/hpsa.c | 10 | ||||
| -rw-r--r-- | drivers/scsi/hpsa.h | 1 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 2fadf6aa965d..547e28b6efc4 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -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; diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h index df2468cd72cf..87a70b5fc5e2 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -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 */ |