diff options
author | Krishna Gudipati <kgudipat@brocade.com> | 2011-07-20 23:59:13 (GMT) |
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committer | James Bottomley <JBottomley@Parallels.com> | 2011-07-27 10:41:24 (GMT) |
commit | 7826f304b1efa5ab839cf029742290f51c4fa009 (patch) | |
tree | 90b5271779b889c9b503cef0abf05e29286ade64 /drivers/scsi/bfa/bfa_fcs_fcpim.c | |
parent | a53becc9a9dbe4f2961b2bba129b3b2624401021 (diff) | |
download | linux-fsl-qoriq-7826f304b1efa5ab839cf029742290f51c4fa009.tar.xz |
[SCSI] bfa: Add FC-transport based Asynchronous Event Notification support.
- Added support to post vendor unique events on fc_host.
- Supports adapter, port, ioc, flash and remote port based AEN events.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcs_fcpim.c')
-rw-r--r-- | drivers/scsi/bfa/bfa_fcs_fcpim.c | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_fcpim.c b/drivers/scsi/bfa/bfa_fcs_fcpim.c index 29b4108..9272840 100644 --- a/drivers/scsi/bfa/bfa_fcs_fcpim.c +++ b/drivers/scsi/bfa/bfa_fcs_fcpim.c @@ -37,6 +37,8 @@ static void bfa_fcs_itnim_prli_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs); +static void bfa_fcs_itnim_aen_post(struct bfa_fcs_itnim_s *itnim, + enum bfa_itnim_aen_event event); /* * fcs_itnim_sm FCS itnim state machine events @@ -269,6 +271,7 @@ bfa_fcs_itnim_sm_hcb_online(struct bfa_fcs_itnim_s *itnim, BFA_LOG(KERN_INFO, bfad, bfa_log_level, "Target (WWN = %s) is online for initiator (WWN = %s)\n", rpwwn_buf, lpwwn_buf); + bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_ONLINE); break; case BFA_FCS_ITNIM_SM_OFFLINE: @@ -305,14 +308,17 @@ bfa_fcs_itnim_sm_online(struct bfa_fcs_itnim_s *itnim, bfa_itnim_offline(itnim->bfa_itnim); wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(itnim->rport->port)); wwn2str(rpwwn_buf, itnim->rport->pwwn); - if (bfa_fcs_lport_is_online(itnim->rport->port) == BFA_TRUE) + if (bfa_fcs_lport_is_online(itnim->rport->port) == BFA_TRUE) { BFA_LOG(KERN_ERR, bfad, bfa_log_level, "Target (WWN = %s) connectivity lost for " "initiator (WWN = %s)\n", rpwwn_buf, lpwwn_buf); - else + bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_DISCONNECT); + } else { BFA_LOG(KERN_INFO, bfad, bfa_log_level, "Target (WWN = %s) offlined by initiator (WWN = %s)\n", rpwwn_buf, lpwwn_buf); + bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_OFFLINE); + } break; case BFA_FCS_ITNIM_SM_DELETE: @@ -382,6 +388,33 @@ bfa_fcs_itnim_sm_initiator(struct bfa_fcs_itnim_s *itnim, } static void +bfa_fcs_itnim_aen_post(struct bfa_fcs_itnim_s *itnim, + enum bfa_itnim_aen_event event) +{ + struct bfa_fcs_rport_s *rport = itnim->rport; + struct bfad_s *bfad = (struct bfad_s *)itnim->fcs->bfad; + struct bfa_aen_entry_s *aen_entry; + + /* Don't post events for well known addresses */ + if (BFA_FCS_PID_IS_WKA(rport->pid)) + return; + + bfad_get_aen_entry(bfad, aen_entry); + if (!aen_entry) + return; + + aen_entry->aen_data.itnim.vf_id = rport->port->fabric->vf_id; + aen_entry->aen_data.itnim.ppwwn = bfa_fcs_lport_get_pwwn( + bfa_fcs_get_base_port(itnim->fcs)); + aen_entry->aen_data.itnim.lpwwn = bfa_fcs_lport_get_pwwn(rport->port); + aen_entry->aen_data.itnim.rpwwn = rport->pwwn; + + /* Send the AEN notification */ + bfad_im_post_vendor_event(aen_entry, bfad, ++rport->fcs->fcs_aen_seq, + BFA_AEN_CAT_ITNIM, event); +} + +static void bfa_fcs_itnim_send_prli(void *itnim_cbarg, struct bfa_fcxp_s *fcxp_alloced) { struct bfa_fcs_itnim_s *itnim = itnim_cbarg; |