diff options
Diffstat (limited to 'sys/scsi')
| -rw-r--r-- | sys/scsi/mpath_rdac.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/sys/scsi/mpath_rdac.c b/sys/scsi/mpath_rdac.c index 21c7d0692d2..52904778d0e 100644 --- a/sys/scsi/mpath_rdac.c +++ b/sys/scsi/mpath_rdac.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mpath_rdac.c,v 1.7 2011/07/11 01:02:48 dlg Exp $ */ +/* $OpenBSD: mpath_rdac.c,v 1.8 2013/08/26 07:21:18 dlg Exp $ */ /* * Copyright (c) 2010 David Gwynne <dlg@openbsd.org> @@ -154,6 +154,7 @@ const struct mpath_ops rdac_mpath_ops = { MPATH_ROUNDROBIN }; +int rdac_groupid(struct rdac_softc *); int rdac_c8(struct rdac_softc *); int rdac_c9(struct rdac_softc *); @@ -271,6 +272,32 @@ rdac_mpath_offline(struct scsi_link *link) } int +rdac_groupid(struct rdac_softc *sc) +{ + struct rdac_vpd_subsys *pg; + int rv = -1; + + pg = dma_alloc(sizeof(*pg), PR_WAITOK | PR_ZERO); + + if (scsi_inquire_vpd(sc->sc_path.p_link, pg, sizeof(*pg), + RDAC_VPD_SUBSYS, scsi_autoconf) != 0) { + printf("%s: unable to fetch subsys vpd page\n", DEVNAME(sc)); + goto done; + } + + if (_4btol(pg->pg_id) != RDAC_VPD_ID_SUBSYS) { + printf("%s: subsys page is invalid\n", DEVNAME(sc)); + goto done; + } + + rv = _2btol(pg->controller_slot_id); + +done: + dma_free(pg, sizeof(*pg)); + return (rv); +} + +int rdac_c8(struct rdac_softc *sc) { struct rdac_vpd_extdevid *pg; |