Date: Mon, 5 Oct 2015 09:14:20 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r288751 - stable/10/sys/cam/ctl Message-ID: <201510050914.t959EKKG027838@repo.freebsd.org>
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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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