From 4cbc0bc5ae1a2a4370ec8ce1290343c0c1a14ca4 Mon Sep 17 00:00:00 2001 From: Alexander Motin Date: Sun, 13 Sep 2015 20:22:18 +0000 Subject: Implement iSCSI TARGET COLD RESET task management function. Implement it as CTL_TASK_TARGET_RESET plus termination of all sessions. --- sys/cam/ctl/ctl_frontend_iscsi.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/sys/cam/ctl/ctl_frontend_iscsi.c b/sys/cam/ctl/ctl_frontend_iscsi.c index 6ea862f36638..1d176d9053b9 100644 --- a/sys/cam/ctl/ctl_frontend_iscsi.c +++ b/sys/cam/ctl/ctl_frontend_iscsi.c @@ -648,6 +648,12 @@ 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; @@ -2842,7 +2848,9 @@ 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); @@ -2880,6 +2888,10 @@ 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 *) @@ -2903,6 +2915,16 @@ 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 -- cgit v1.2.3