Author: mav
Date: Mon Oct 5 09:14:20 2015
New Revision: 288751
URL: https://svnweb.freebsd.org/changeset/base/288751
Log:
MFC r287764: Implement iSCSI TARGET COLD RESET task management function.
Implement it as CTL_TASK_TARGET_RESET plus termination of all sessions.
Modified:
stable/10/sys/cam/ctl/ctl_frontend_iscsi.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/cam/ctl/ctl_frontend_iscsi.c
==============================================================================
--- stable/10/sys/cam/ctl/ctl_frontend_iscsi.c Mon Oct 5 09:13:30 2015
(r288750)
+++ stable/10/sys/cam/ctl/ctl_frontend_iscsi.c Mon Oct 5 09:14:20 2015
(r288751)
@@ -648,6 +648,12 @@ cfiscsi_pdu_handle_task_request(struct i
#endif
io->taskio.task_action = CTL_TASK_TARGET_RESET;
break;
+ case BHSTMR_FUNCTION_TARGET_COLD_RESET:
+#if 0
+ CFISCSI_SESSION_DEBUG(cs, "BHSTMR_FUNCTION_TARGET_COLD_RESET");
+#endif
+ io->taskio.task_action = CTL_TASK_TARGET_RESET;
+ break;
default:
CFISCSI_SESSION_DEBUG(cs, "unsupported function 0x%x",
bhstmr->bhstmr_function & ~0x80);
@@ -2769,7 +2775,9 @@ cfiscsi_task_management_done(union ctl_i
struct iscsi_bhs_task_management_request *bhstmr;
struct iscsi_bhs_task_management_response *bhstmr2;
struct cfiscsi_data_wait *cdw, *tmpcdw;
- struct cfiscsi_session *cs;
+ struct cfiscsi_session *cs, *tcs;
+ struct cfiscsi_softc *softc;
+ int cold_reset = 0;
request = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
cs = PDU_SESSION(request);
@@ -2807,6 +2815,10 @@ cfiscsi_task_management_done(union ctl_i
}
CFISCSI_SESSION_UNLOCK(cs);
}
+ if ((bhstmr->bhstmr_function & ~0x80) ==
+ BHSTMR_FUNCTION_TARGET_COLD_RESET &&
+ io->io_hdr.status == CTL_SUCCESS)
+ cold_reset = 1;
response = cfiscsi_pdu_new_response(request, M_WAITOK);
bhstmr2 = (struct iscsi_bhs_task_management_response *)
@@ -2830,6 +2842,16 @@ cfiscsi_task_management_done(union ctl_i
ctl_free_io(io);
icl_pdu_free(request);
cfiscsi_pdu_queue(response);
+
+ if (cold_reset) {
+ softc = cs->cs_target->ct_softc;
+ mtx_lock(&softc->lock);
+ TAILQ_FOREACH(tcs, &softc->sessions, cs_next) {
+ if (tcs->cs_target == cs->cs_target)
+ cfiscsi_session_terminate(tcs);
+ }
+ mtx_unlock(&softc->lock);
+ }
}
static void
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