[SCSI] bfa: Added support for flash configuration
- Added flash sub-module.
- Implemented the interface to read/erase/update flash partition.
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 e4409e5..5444661 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -1109,6 +1109,111 @@
return 0;
}
+int
+bfad_iocmd_flash_get_attr(struct bfad_s *bfad, void *cmd)
+{
+ struct bfa_bsg_flash_attr_s *iocmd =
+ (struct bfa_bsg_flash_attr_s *)cmd;
+ struct bfad_hal_comp fcomp;
+ unsigned long flags;
+
+ init_completion(&fcomp.comp);
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+ iocmd->status = bfa_flash_get_attr(BFA_FLASH(&bfad->bfa), &iocmd->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;
+}
+
+int
+bfad_iocmd_flash_erase_part(struct bfad_s *bfad, void *cmd)
+{
+ struct bfa_bsg_flash_s *iocmd = (struct bfa_bsg_flash_s *)cmd;
+ struct bfad_hal_comp fcomp;
+ unsigned long flags;
+
+ init_completion(&fcomp.comp);
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+ iocmd->status = bfa_flash_erase_part(BFA_FLASH(&bfad->bfa), iocmd->type,
+ iocmd->instance, 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_flash_update_part(struct bfad_s *bfad, void *cmd,
+ unsigned int payload_len)
+{
+ struct bfa_bsg_flash_s *iocmd = (struct bfa_bsg_flash_s *)cmd;
+ void *iocmd_bufptr;
+ struct bfad_hal_comp fcomp;
+ unsigned long flags;
+
+ if (bfad_chk_iocmd_sz(payload_len,
+ sizeof(struct bfa_bsg_flash_s),
+ iocmd->bufsz) != BFA_STATUS_OK) {
+ iocmd->status = BFA_STATUS_VERSION_FAIL;
+ return 0;
+ }
+
+ iocmd_bufptr = (char *)iocmd + sizeof(struct bfa_bsg_flash_s);
+
+ init_completion(&fcomp.comp);
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+ iocmd->status = bfa_flash_update_part(BFA_FLASH(&bfad->bfa),
+ iocmd->type, iocmd->instance, iocmd_bufptr,
+ iocmd->bufsz, 0, 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_flash_read_part(struct bfad_s *bfad, void *cmd,
+ unsigned int payload_len)
+{
+ struct bfa_bsg_flash_s *iocmd = (struct bfa_bsg_flash_s *)cmd;
+ struct bfad_hal_comp fcomp;
+ void *iocmd_bufptr;
+ unsigned long flags;
+
+ if (bfad_chk_iocmd_sz(payload_len,
+ sizeof(struct bfa_bsg_flash_s),
+ iocmd->bufsz) != BFA_STATUS_OK) {
+ iocmd->status = BFA_STATUS_VERSION_FAIL;
+ return 0;
+ }
+
+ iocmd_bufptr = (char *)iocmd + sizeof(struct bfa_bsg_flash_s);
+
+ init_completion(&fcomp.comp);
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+ iocmd->status = bfa_flash_read_part(BFA_FLASH(&bfad->bfa), iocmd->type,
+ iocmd->instance, iocmd_bufptr, iocmd->bufsz, 0,
+ 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)
@@ -1243,6 +1348,18 @@
case IOCMD_SFP_SPEED:
rc = bfad_iocmd_sfp_speed(bfad, iocmd);
break;
+ case IOCMD_FLASH_GET_ATTR:
+ rc = bfad_iocmd_flash_get_attr(bfad, iocmd);
+ break;
+ case IOCMD_FLASH_ERASE_PART:
+ rc = bfad_iocmd_flash_erase_part(bfad, iocmd);
+ break;
+ case IOCMD_FLASH_UPDATE_PART:
+ rc = bfad_iocmd_flash_update_part(bfad, iocmd, payload_len);
+ break;
+ case IOCMD_FLASH_READ_PART:
+ rc = bfad_iocmd_flash_read_part(bfad, iocmd, payload_len);
+ break;
default:
rc = EINVAL;
break;