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author | mav <mav@FreeBSD.org> | 2015-10-05 09:14:20 +0000 |
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committer | mav <mav@FreeBSD.org> | 2015-10-05 09:14:20 +0000 |
commit | 9659490a648dbcf6235502569dddc8e9af4b68d5 (patch) | |
tree | a82da26c08c4bf40aff5cc9f45618fbf4eaabf63 | |
parent | 240ba1ee1f0db11773bb61b99d2415ef0a6ec387 (diff) | |
download | FreeBSD-src-9659490a648dbcf6235502569dddc8e9af4b68d5.zip FreeBSD-src-9659490a648dbcf6235502569dddc8e9af4b68d5.tar.gz |
MFC r287764: Implement iSCSI TARGET COLD RESET task management function.
Implement it as CTL_TASK_TARGET_RESET plus termination of all sessions.
-rw-r--r-- | sys/cam/ctl/ctl_frontend_iscsi.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/sys/cam/ctl/ctl_frontend_iscsi.c b/sys/cam/ctl/ctl_frontend_iscsi.c index be7e917..edb7922 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) #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_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 |