[SCSI] bfa: Added support for CEE info and stats query.
- Added CEE sub-module.
- Added support to collect stats/cee module info
using BSG interface.
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 5ae591b..fcfe0ae 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -979,6 +979,93 @@
return 0;
}
+int
+bfad_iocmd_cee_attr(struct bfad_s *bfad, void *cmd, unsigned int payload_len)
+{
+ struct bfa_bsg_cee_attr_s *iocmd =
+ (struct bfa_bsg_cee_attr_s *)cmd;
+ void *iocmd_bufptr;
+ struct bfad_hal_comp cee_comp;
+ unsigned long flags;
+
+ if (bfad_chk_iocmd_sz(payload_len,
+ sizeof(struct bfa_bsg_cee_attr_s),
+ sizeof(struct bfa_cee_attr_s)) != BFA_STATUS_OK) {
+ iocmd->status = BFA_STATUS_VERSION_FAIL;
+ return 0;
+ }
+
+ iocmd_bufptr = (char *)iocmd + sizeof(struct bfa_bsg_cee_attr_s);
+
+ cee_comp.status = 0;
+ init_completion(&cee_comp.comp);
+ mutex_lock(&bfad_mutex);
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+ iocmd->status = bfa_cee_get_attr(&bfad->bfa.modules.cee, iocmd_bufptr,
+ bfad_hcb_comp, &cee_comp);
+ spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+ if (iocmd->status != BFA_STATUS_OK) {
+ mutex_unlock(&bfad_mutex);
+ bfa_trc(bfad, 0x5555);
+ goto out;
+ }
+ wait_for_completion(&cee_comp.comp);
+ mutex_unlock(&bfad_mutex);
+out:
+ return 0;
+}
+
+int
+bfad_iocmd_cee_get_stats(struct bfad_s *bfad, void *cmd,
+ unsigned int payload_len)
+{
+ struct bfa_bsg_cee_stats_s *iocmd =
+ (struct bfa_bsg_cee_stats_s *)cmd;
+ void *iocmd_bufptr;
+ struct bfad_hal_comp cee_comp;
+ unsigned long flags;
+
+ if (bfad_chk_iocmd_sz(payload_len,
+ sizeof(struct bfa_bsg_cee_stats_s),
+ sizeof(struct bfa_cee_stats_s)) != BFA_STATUS_OK) {
+ iocmd->status = BFA_STATUS_VERSION_FAIL;
+ return 0;
+ }
+
+ iocmd_bufptr = (char *)iocmd + sizeof(struct bfa_bsg_cee_stats_s);
+
+ cee_comp.status = 0;
+ init_completion(&cee_comp.comp);
+ mutex_lock(&bfad_mutex);
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+ iocmd->status = bfa_cee_get_stats(&bfad->bfa.modules.cee, iocmd_bufptr,
+ bfad_hcb_comp, &cee_comp);
+ spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+ if (iocmd->status != BFA_STATUS_OK) {
+ mutex_unlock(&bfad_mutex);
+ bfa_trc(bfad, 0x5555);
+ goto out;
+ }
+ wait_for_completion(&cee_comp.comp);
+ mutex_unlock(&bfad_mutex);
+out:
+ return 0;
+}
+
+int
+bfad_iocmd_cee_reset_stats(struct bfad_s *bfad, void *cmd)
+{
+ struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd;
+ unsigned long flags;
+
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+ iocmd->status = bfa_cee_reset_stats(&bfad->bfa.modules.cee, NULL, NULL);
+ spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+ if (iocmd->status != BFA_STATUS_OK)
+ bfa_trc(bfad, 0x5555);
+ return 0;
+}
+
static int
bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
unsigned int payload_len)
@@ -1098,6 +1185,15 @@
case IOCMD_FAA_QUERY:
rc = bfad_iocmd_faa_query(bfad, iocmd);
break;
+ case IOCMD_CEE_GET_ATTR:
+ rc = bfad_iocmd_cee_attr(bfad, iocmd, payload_len);
+ break;
+ case IOCMD_CEE_GET_STATS:
+ rc = bfad_iocmd_cee_get_stats(bfad, iocmd, payload_len);
+ break;
+ case IOCMD_CEE_RESET_STATS:
+ rc = bfad_iocmd_cee_reset_stats(bfad, iocmd);
+ break;
default:
rc = EINVAL;
break;