[SCSI] bfa: Added Fabric Assigned Address(FAA) support
- Updated/added data structures and definitions to support FAA protocol.
- Modified the IOC state machine to support FAA.
- Introduced FAA feature configuration - enable/disable/query.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
index 35c415c..9ec8f04 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -437,6 +437,73 @@
return 0;
}
+int
+bfad_iocmd_faa_enable(struct bfad_s *bfad, void *cmd)
+{
+ struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd;
+ unsigned long flags;
+ struct bfad_hal_comp fcomp;
+
+ init_completion(&fcomp.comp);
+ iocmd->status = BFA_STATUS_OK;
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+ iocmd->status = bfa_faa_enable(&bfad->bfa, bfad_hcb_comp, &fcomp);
+ spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+ if (iocmd->status != BFA_STATUS_OK)
+ goto out;
+
+ wait_for_completion(&fcomp.comp);
+ iocmd->status = fcomp.status;
+out:
+ return 0;
+}
+
+int
+bfad_iocmd_faa_disable(struct bfad_s *bfad, void *cmd)
+{
+ struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd;
+ unsigned long flags;
+ struct bfad_hal_comp fcomp;
+
+ init_completion(&fcomp.comp);
+ iocmd->status = BFA_STATUS_OK;
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+ iocmd->status = bfa_faa_disable(&bfad->bfa, bfad_hcb_comp, &fcomp);
+ spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+ if (iocmd->status != BFA_STATUS_OK)
+ goto out;
+
+ wait_for_completion(&fcomp.comp);
+ iocmd->status = fcomp.status;
+out:
+ return 0;
+}
+
+int
+bfad_iocmd_faa_query(struct bfad_s *bfad, void *cmd)
+{
+ struct bfa_bsg_faa_attr_s *iocmd = (struct bfa_bsg_faa_attr_s *)cmd;
+ struct bfad_hal_comp fcomp;
+ unsigned long flags;
+
+ init_completion(&fcomp.comp);
+ iocmd->status = BFA_STATUS_OK;
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+ iocmd->status = bfa_faa_query(&bfad->bfa, &iocmd->faa_attr,
+ bfad_hcb_comp, &fcomp);
+ spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+ if (iocmd->status != BFA_STATUS_OK)
+ goto out;
+
+ wait_for_completion(&fcomp.comp);
+ iocmd->status = fcomp.status;
+out:
+ return 0;
+}
+
static int
bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
unsigned int payload_len)
@@ -487,6 +554,15 @@
case IOCMD_FLASH_DISABLE_OPTROM:
rc = bfad_iocmd_ablk_optrom(bfad, cmd, iocmd);
break;
+ case IOCMD_FAA_ENABLE:
+ rc = bfad_iocmd_faa_enable(bfad, iocmd);
+ break;
+ case IOCMD_FAA_DISABLE:
+ rc = bfad_iocmd_faa_disable(bfad, iocmd);
+ break;
+ case IOCMD_FAA_QUERY:
+ rc = bfad_iocmd_faa_query(bfad, iocmd);
+ break;
default:
rc = EINVAL;
break;