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authorKrishna Gudipati <kgudipat@brocade.com>2011-07-20 16:59:13 -0700
committerJames Bottomley <JBottomley@Parallels.com>2011-07-27 14:41:24 +0400
commit7826f304b1efa5ab839cf029742290f51c4fa009 (patch)
tree90b5271779b889c9b503cef0abf05e29286ade64 /drivers/scsi/bfa/bfa_svc.c
parenta53becc9a9dbe4f2961b2bba129b3b2624401021 (diff)
[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_svc.c')
-rw-r--r--drivers/scsi/bfa/bfa_svc.c48
1 files changed, 42 insertions, 6 deletions
diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c
index 21caaefce99..136f5f922cd 100644
--- a/drivers/scsi/bfa/bfa_svc.c
+++ b/drivers/scsi/bfa/bfa_svc.c
@@ -16,6 +16,7 @@
*/
#include "bfad_drv.h"
+#include "bfad_im.h"
#include "bfa_plog.h"
#include "bfa_cs.h"
#include "bfa_modules.h"
@@ -2007,6 +2008,24 @@ bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
}
}
+static void
+bfa_fcport_aen_post(struct bfa_fcport_s *fcport, enum bfa_port_aen_event event)
+{
+ struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
+ struct bfa_aen_entry_s *aen_entry;
+
+ bfad_get_aen_entry(bfad, aen_entry);
+ if (!aen_entry)
+ return;
+
+ aen_entry->aen_data.port.ioc_type = bfa_get_type(fcport->bfa);
+ aen_entry->aen_data.port.pwwn = fcport->pwwn;
+
+ /* Send the AEN notification */
+ bfad_im_post_vendor_event(aen_entry, bfad, ++fcport->bfa->bfa_aen_seq,
+ BFA_AEN_CAT_PORT, event);
+}
+
/*
* FC PORT state machine functions
*/
@@ -2095,6 +2114,7 @@ bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port disabled: WWN = %s\n", pwwn_buf);
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
break;
case BFA_FCPORT_SM_LINKUP:
@@ -2155,6 +2175,7 @@ bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port disabled: WWN = %s\n", pwwn_buf);
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
break;
case BFA_FCPORT_SM_STOP:
@@ -2208,6 +2229,7 @@ bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port online: WWN = %s\n", pwwn_buf);
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ONLINE);
break;
case BFA_FCPORT_SM_LINKDOWN:
@@ -2234,6 +2256,7 @@ bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port disabled: WWN = %s\n", pwwn_buf);
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
break;
case BFA_FCPORT_SM_STOP:
@@ -2279,8 +2302,10 @@ bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port offline: WWN = %s\n", pwwn_buf);
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port disabled: WWN = %s\n", pwwn_buf);
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
break;
case BFA_FCPORT_SM_LINKDOWN:
@@ -2290,26 +2315,32 @@ bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown");
wwn2str(pwwn_buf, fcport->pwwn);
- if (BFA_PORT_IS_DISABLED(fcport->bfa))
+ if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port offline: WWN = %s\n", pwwn_buf);
- else
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
+ } else {
BFA_LOG(KERN_ERR, bfad, bfa_log_level,
"Base port (WWN = %s) "
"lost fabric connectivity\n", pwwn_buf);
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+ }
break;
case BFA_FCPORT_SM_STOP:
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
bfa_fcport_reset_linkinfo(fcport);
wwn2str(pwwn_buf, fcport->pwwn);
- if (BFA_PORT_IS_DISABLED(fcport->bfa))
+ if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port offline: WWN = %s\n", pwwn_buf);
- else
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
+ } else {
BFA_LOG(KERN_ERR, bfad, bfa_log_level,
"Base port (WWN = %s) "
"lost fabric connectivity\n", pwwn_buf);
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+ }
break;
case BFA_FCPORT_SM_HWFAIL:
@@ -2317,13 +2348,16 @@ bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
bfa_fcport_reset_linkinfo(fcport);
bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
wwn2str(pwwn_buf, fcport->pwwn);
- if (BFA_PORT_IS_DISABLED(fcport->bfa))
+ if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port offline: WWN = %s\n", pwwn_buf);
- else
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
+ } else {
BFA_LOG(KERN_ERR, bfad, bfa_log_level,
"Base port (WWN = %s) "
"lost fabric connectivity\n", pwwn_buf);
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+ }
break;
default:
@@ -2454,6 +2488,7 @@ bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port enabled: WWN = %s\n", pwwn_buf);
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
break;
case BFA_FCPORT_SM_STOP:
@@ -2508,6 +2543,7 @@ bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port enabled: WWN = %s\n", pwwn_buf);
+ bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
break;
case BFA_FCPORT_SM_DISABLE: