diff options
author | Krishna Gudipati <kgudipat@brocade.com> | 2011-07-20 17:02:50 -0700 |
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committer | James Bottomley <JBottomley@Parallels.com> | 2011-07-27 14:51:11 +0400 |
commit | 45191236b179877d259a40e13c5144628d4df37f (patch) | |
tree | 3d1489ec9dbbd30c080bbbfdf12c08fe83a9062e /drivers/scsi/bfa/bfad_bsg.c | |
parent | a46bd300e191d5a1a7367a799a9f5268c5e6aafd (diff) | |
download | linux-next-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/bfad_bsg.c')
-rw-r--r-- | drivers/scsi/bfa/bfad_bsg.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index f782ee4b8868..55a9180b0a39 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; |