MFC r287764: Implement iSCSI TARGET COLD RESET task management function.

Implement it as CTL_TASK_TARGET_RESET plus termination of all sessions.
This commit is contained in:
mav 2015-10-05 09:14:20 +00:00
parent 240ba1ee1f
commit 9659490a64

View File

@ -645,6 +645,12 @@ cfiscsi_pdu_handle_task_request(struct icl_pdu *request)
case BHSTMR_FUNCTION_TARGET_WARM_RESET:
#if 0
CFISCSI_SESSION_DEBUG(cs, "BHSTMR_FUNCTION_TARGET_WARM_RESET");
#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;
@ -2769,7 +2775,9 @@ cfiscsi_task_management_done(union ctl_io *io)
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_io *io)
}
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_io *io)
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