[SCSI] bfa: Add support to configure trunking on Brocade adapter ports.
- Added logic to enable / disable trunking on Brocade adapter ports.
- Added logic to query trunking info.
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 f782ee4..55a9180 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -2181,6 +2181,53 @@
return 0;
}
+int
+bfad_iocmd_cfg_trunk(struct bfad_s *bfad, void *cmd, unsigned int v_cmd)
+{
+ struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd;
+ struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
+ struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
+ unsigned long flags;
+
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+
+ if (v_cmd == IOCMD_TRUNK_ENABLE) {
+ trunk->attr.state = BFA_TRUNK_OFFLINE;
+ bfa_fcport_disable(&bfad->bfa);
+ fcport->cfg.trunked = BFA_TRUE;
+ } else if (v_cmd == IOCMD_TRUNK_DISABLE) {
+ trunk->attr.state = BFA_TRUNK_DISABLED;
+ bfa_fcport_disable(&bfad->bfa);
+ fcport->cfg.trunked = BFA_FALSE;
+ }
+
+ if (!bfa_fcport_is_disabled(&bfad->bfa))
+ bfa_fcport_enable(&bfad->bfa);
+
+ spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+ iocmd->status = BFA_STATUS_OK;
+ return 0;
+}
+
+int
+bfad_iocmd_trunk_get_attr(struct bfad_s *bfad, void *cmd)
+{
+ struct bfa_bsg_trunk_attr_s *iocmd = (struct bfa_bsg_trunk_attr_s *)cmd;
+ struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
+ struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
+ unsigned long flags;
+
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+ memcpy((void *)&iocmd->attr, (void *)&trunk->attr,
+ sizeof(struct bfa_trunk_attr_s));
+ iocmd->attr.port_id = bfa_lps_get_base_pid(&bfad->bfa);
+ spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+ iocmd->status = BFA_STATUS_OK;
+ return 0;
+}
+
static int
bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
unsigned int payload_len)
@@ -2470,6 +2517,13 @@
case IOCMD_ETHBOOT_QUERY:
rc = bfad_iocmd_ethboot_query(bfad, iocmd);
break;
+ case IOCMD_TRUNK_ENABLE:
+ case IOCMD_TRUNK_DISABLE:
+ rc = bfad_iocmd_cfg_trunk(bfad, iocmd, cmd);
+ break;
+ case IOCMD_TRUNK_GET_ATTR:
+ rc = bfad_iocmd_trunk_get_attr(bfad, iocmd);
+ break;
default:
rc = -EINVAL;
break;