diff options
Diffstat (limited to 'sys/scsi/ch.c')
| -rw-r--r-- | sys/scsi/ch.c | 95 |
1 files changed, 81 insertions, 14 deletions
diff --git a/sys/scsi/ch.c b/sys/scsi/ch.c index b4f6be9e15d..c7fdea0549e 100644 --- a/sys/scsi/ch.c +++ b/sys/scsi/ch.c @@ -1,8 +1,8 @@ -/* $OpenBSD: ch.c,v 1.6 1996/08/12 10:21:41 deraadt Exp $ */ -/* $NetBSD: ch.c,v 1.21 1996/04/19 00:02:29 christos Exp $ */ +/* $OpenBSD: ch.c,v 1.7 1997/04/14 04:09:05 downsj Exp $ */ +/* $NetBSD: ch.c,v 1.26 1997/02/21 22:06:52 thorpej Exp $ */ /* - * Copyright (c) 1996 Jason R. Thorpe <thorpej@and.com> + * Copyright (c) 1996, 1997 Jason R. Thorpe <thorpej@and.com> * All rights reserved. * * Partially based on an autochanger driver written by Stefan Grefen @@ -48,6 +48,7 @@ #include <sys/device.h> #include <sys/malloc.h> #include <sys/conf.h> +#include <sys/fcntl.h> #include <scsi/scsi_all.h> #include <scsi/scsi_changer.h> @@ -81,6 +82,12 @@ struct ch_softc { u_int8_t sc_exchangemask[4]; int flags; /* misc. info */ + + /* + * Quirks; see below. + */ + int sc_settledelay; /* delay for settle */ + }; /* sc_flags */ @@ -114,6 +121,21 @@ int ch_position __P((struct ch_softc *, struct changer_position *)); int ch_usergetelemstatus __P((struct ch_softc *, int, u_int8_t *)); int ch_getelemstatus __P((struct ch_softc *, int, int, caddr_t, size_t)); int ch_get_params __P((struct ch_softc *, int)); +void ch_get_quirks __P((struct ch_softc *, struct scsi_inquiry_data *)); + +/* + * SCSI changer quirks. + */ +struct chquirk { + struct scsi_inquiry_pattern cq_match; /* device id pattern */ + int cq_settledelay; /* settle delay, in seconds */ +}; + +struct chquirk chquirks[] = { + {{T_CHANGER, T_REMOV, + "SPECTRA", "9000", "0200"}, + 75}, +}; int chmatch(parent, match, aux) @@ -148,24 +170,35 @@ chattach(parent, self, aux) printf("\n"); /* + * Find out our device's quirks. + */ + ch_get_quirks(sc, sa->sa_inqbuf); + + /* + * Some changers require a long time to settle out, to do + * tape inventory, for instance. + */ + if (sc->sc_settledelay) { + printf("%s: waiting %d seconds for changer to settle...\n", + sc->sc_dev.dv_xname, sc->sc_settledelay); + delay(1000000 * sc->sc_settledelay); + } + + /* * Get information about the device. Note we can't use * interrupts yet. */ if (ch_get_params(sc, SCSI_AUTOCONF)) printf("%s: offline\n", sc->sc_dev.dv_xname); else { - printf("%s: %d slot%s, %d drive%s, %d picker%s", +#define PLURAL(c) (c) == 1 ? "" : "s" + printf("%s: %d slot%s, %d drive%s, %d picker%s, %d portal%s\n", sc->sc_dev.dv_xname, - sc->sc_counts[CHET_ST], (sc->sc_counts[CHET_ST] > 1) ? - "s" : "", - sc->sc_counts[CHET_DT], (sc->sc_counts[CHET_DT] > 1) ? - "s" : "", - sc->sc_counts[CHET_MT], (sc->sc_counts[CHET_MT] > 1) ? - "s" : ""); - if (sc->sc_counts[CHET_IE]) - printf(", %d portal%s", sc->sc_counts[CHET_IE], - (sc->sc_counts[CHET_IE] > 1) ? "s" : ""); - printf("\n"); + sc->sc_counts[CHET_ST], PLURAL(sc->sc_counts[CHET_ST]), + sc->sc_counts[CHET_DT], PLURAL(sc->sc_counts[CHET_DT]), + sc->sc_counts[CHET_MT], PLURAL(sc->sc_counts[CHET_MT]), + sc->sc_counts[CHET_IE], PLURAL(sc->sc_counts[CHET_IE])); +#undef PLURAL #ifdef CHANGER_DEBUG printf("%s: move mask: 0x%x 0x%x 0x%x 0x%x\n", sc->sc_dev.dv_xname, @@ -250,6 +283,21 @@ chioctl(dev, cmd, data, flags, p) struct ch_softc *sc = ch_cd.cd_devs[CHUNIT(dev)]; int error = 0; + /* + * If this command can change the device's state, we must + * have the device open for writing. + */ + switch (cmd) { + case CHIOGPICKER: + case CHIOGPARAMS: + case CHIOGSTATUS: + break; + + default: + if ((flags & FWRITE) == 0) + return (EBADF); + } + switch (cmd) { case CHIOMOVE: error = ch_move(sc, (struct changer_move *)data); @@ -637,3 +685,22 @@ ch_get_params(sc, scsiflags) sc->sc_link->flags |= SDEV_MEDIA_LOADED; return (0); } + +void +ch_get_quirks(sc, inqbuf) + struct ch_softc *sc; + struct scsi_inquiry_data *inqbuf; +{ + struct chquirk *match; + int priority; + + sc->sc_settledelay = 0; + + match = (struct chquirk *)scsi_inqmatch(inqbuf, + (caddr_t)chquirks, + sizeof(chquirks) / sizeof(chquirks[0]), + sizeof(chquirks[0]), &priority); + if (priority != 0) { + sc->sc_settledelay = match->cq_settledelay; + } +} |