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authorKrishna Gudipati <kgudipat@brocade.com>2011-07-20 17:02:50 -0700
committerJames Bottomley <JBottomley@Parallels.com>2011-07-27 14:51:11 +0400
commit45191236b179877d259a40e13c5144628d4df37f (patch)
tree3d1489ec9dbbd30c080bbbfdf12c08fe83a9062e /drivers/scsi/bfa
parenta46bd300e191d5a1a7367a799a9f5268c5e6aafd (diff)
downloadop-kernel-dev-45191236b179877d259a40e13c5144628d4df37f.zip
op-kernel-dev-45191236b179877d259a40e13c5144628d4df37f.tar.gz
[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>
Diffstat (limited to 'drivers/scsi/bfa')
-rw-r--r--drivers/scsi/bfa/bfad_bsg.c54
-rw-r--r--drivers/scsi/bfa/bfad_bsg.h10
2 files changed, 64 insertions, 0 deletions
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 @@ out:
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 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
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;
diff --git a/drivers/scsi/bfa/bfad_bsg.h b/drivers/scsi/bfa/bfad_bsg.h
index 95694ce..2268045 100644
--- a/drivers/scsi/bfa/bfad_bsg.h
+++ b/drivers/scsi/bfa/bfad_bsg.h
@@ -126,6 +126,9 @@ enum {
IOCMD_PREBOOT_QUERY,
IOCMD_ETHBOOT_CFG,
IOCMD_ETHBOOT_QUERY,
+ IOCMD_TRUNK_ENABLE,
+ IOCMD_TRUNK_DISABLE,
+ IOCMD_TRUNK_GET_ATTR,
};
struct bfa_bsg_gen_s {
@@ -656,6 +659,13 @@ struct bfa_bsg_ethboot_s {
struct bfa_ethboot_cfg_s cfg;
};
+struct bfa_bsg_trunk_attr_s {
+ bfa_status_t status;
+ u16 bfad_num;
+ u16 rsvd;
+ struct bfa_trunk_attr_s attr;
+};
+
struct bfa_bsg_fcpt_s {
bfa_status_t status;
u16 vf_id;
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