/* $NetBSD: umassbus.c,v 1.9 2001/09/15 16:47:41 yamt Exp $ */ /* * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson (lennart@augustsson.net) at * Carlstedt Research & Technology. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "atapibus.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define UMASS_SCSIID_HOST 0x00 #define UMASS_SCSIID_DEVICE 0x01 #define UMASS_ATAPI_DRIVE 0 Static void umass_scsipi_request(struct scsipi_channel *, scsipi_adapter_req_t, void *); Static void umass_scsipi_minphys(struct buf *bp); Static int umass_scsipi_ioctl(struct scsipi_channel *, u_long, caddr_t, int, struct proc *); Static int umass_scsipi_getgeom(struct scsipi_periph *periph, struct disk_parms *, u_long sectors); Static void umass_scsipi_cb(struct umass_softc *sc, void *priv, int residue, int status); Static void umass_scsipi_sense_cb(struct umass_softc *sc, void *priv, int residue, int status); Static int scsipiprint(void *aux, const char *pnp); #if NATAPIBUS > 0 Static void umass_atapi_probe_device(struct atapibus_softc *, int); const struct scsipi_bustype umass_atapi_bustype = { SCSIPI_BUSTYPE_ATAPI, atapi_scsipi_cmd, atapi_interpret_sense, atapi_print_addr, scsi_kill_pending, }; #endif int umass_attach_bus(struct umass_softc *sc) { usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, USBDEV(sc->sc_dev)); /* * Fill in the adapter. */ memset(&sc->bus.sc_adapter, 0, sizeof(sc->bus.sc_adapter)); sc->bus.sc_adapter.adapt_dev = &sc->sc_dev; sc->bus.sc_adapter.adapt_nchannels = 1; sc->bus.sc_adapter.adapt_request = umass_scsipi_request; sc->bus.sc_adapter.adapt_minphys = umass_scsipi_minphys; sc->bus.sc_adapter.adapt_ioctl = umass_scsipi_ioctl; sc->bus.sc_adapter.adapt_getgeom = umass_scsipi_getgeom; sc->bus.sc_atapi_adapter.atapi_probe_device = umass_atapi_probe_device; /* fill in the channel */ memset(&sc->bus.sc_channel, 0, sizeof(sc->bus.sc_channel)); sc->bus.sc_channel.chan_adapter = &sc->bus.sc_adapter; sc->bus.sc_channel.chan_channel = 0; sc->bus.sc_channel.chan_flags = SCSIPI_CHAN_OPENINGS; sc->bus.sc_channel.chan_openings = 1; sc->bus.sc_channel.chan_max_periph = 1; switch (sc->cmd_proto) { case CPROTO_RBC: case CPROTO_SCSI: sc->bus.sc_channel.chan_bustype = &scsi_bustype; sc->bus.sc_channel.chan_ntargets = UMASS_SCSIID_DEVICE + 1; sc->bus.sc_channel.chan_nluns = sc->maxlun + 1; sc->bus.sc_channel.chan_id = UMASS_SCSIID_HOST; sc->bus.sc_channel.type = BUS_SCSI; sc->bus.sc_child = config_found(&sc->sc_dev, &sc->bus.sc_channel, scsipiprint); break; #if NATAPIBUS > 0 case CPROTO_UFI: case CPROTO_ATAPI: sc->bus.sc_channel.chan_bustype = &umass_atapi_bustype; sc->bus.sc_channel.chan_ntargets = 2; sc->bus.sc_channel.chan_nluns = 1; sc->bus.aa.sc_aa.aa_type = T_ATAPI; sc->bus.aa.sc_aa.aa_channel = 0; sc->bus.aa.sc_aa.aa_openings = 1; sc->bus.aa.sc_aa.aa_drv_data = &sc->bus.aa.sc_aa_drive; sc->bus.aa.sc_aa.aa_bus_private = &sc->bus.sc_channel; if (sc->quirks & NO_TEST_UNIT_READY) sc->bus.sc_channel.chan_defquirks |= PQUIRK_NOTUR; sc->bus.sc_child = config_found(&sc->sc_dev, &sc->bus.aa.sc_aa, scsipiprint); break; #endif default: printf("%s: cmd proto=0x%x not supported yet\n", USBDEVNAME(sc->sc_dev), sc->cmd_proto); return (1); } if (sc->bus.sc_child == NULL) { /* Not an error, just not a complete success. */ return (1); } return (0); } Static int scsipiprint(void *aux, const char *pnp) { struct scsipi_channel *chan = aux; if (chan->chan_bustype->bustype_type == SCSIPI_BUSTYPE_SCSI) return (scsiprint(aux, pnp)); else { #if NATAPIBUS > 0 struct ata_atapi_attach *aa_link = aux; #endif if (pnp) printf("atapibus at %s", pnp); #if NATAPIBUS > 0 printf(" channel %d", aa_link->aa_channel); #endif return (UNCONF); } } int umass_detach_bus(struct umass_softc *sc, int flags) { if (sc->bus.sc_child != NULL) return config_detach(sc->bus.sc_child, flags); else return 0; } int umass_activate(struct device *self, enum devact act) { struct umass_softc *sc = (struct umass_softc *) self; int rv = 0; DPRINTF(UDMASS_USB, ("%s: umass_activate: %d\n", USBDEVNAME(sc->sc_dev), act)); switch (act) { case DVACT_ACTIVATE: rv = EOPNOTSUPP; break; case DVACT_DEACTIVATE: if (sc->bus.sc_child == NULL) break; rv = config_deactivate(sc->bus.sc_child); DPRINTF(UDMASS_USB, ("%s: umass_activate: child " "returned %d\n", USBDEVNAME(sc->sc_dev), rv)); if (rv == 0) sc->sc_dying = 1; break; } return (rv); } Static void umass_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) { struct scsipi_adapter *adapt = chan->chan_adapter; struct scsipi_periph *periph; struct scsipi_xfer *xs; struct umass_softc *sc = (void *)adapt->adapt_dev; struct scsipi_generic *cmd, trcmd; int cmdlen; int dir; #ifdef UMASS_DEBUG microtime(&sc->tv); #endif switch(req) { case ADAPTER_REQ_RUN_XFER: xs = arg; periph = xs->xs_periph; DIF(UDMASS_UPPER, periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS); DPRINTF(UDMASS_CMD, ("%s: umass_scsi_cmd: at %lu.%06lu: %d:%d " "xs=%p cmd=0x%02x datalen=%d (quirks=0x%x, poll=%d)\n", USBDEVNAME(sc->sc_dev), sc->tv.tv_sec, sc->tv.tv_usec, periph->periph_target, periph->periph_lun, xs, xs->cmd->opcode, xs->datalen, periph->periph_quirks, xs->xs_control & XS_CTL_POLL)); #if defined(USB_DEBUG) && defined(SCSIPI_DEBUG) if (umassdebug & UDMASS_SCSI) show_scsipi_xs(xs); else if (umassdebug & ~UDMASS_CMD) show_scsipi_cmd(xs); #endif if (sc->sc_dying) { xs->error = XS_DRIVER_STUFFUP; goto done; } #ifdef UMASS_DEBUG if (chan->chan_bustype->bustype_type == SCSIPI_BUSTYPE_ATAPI ? periph->periph_target != UMASS_ATAPI_DRIVE : periph->periph_target != UMASS_SCSIID_DEVICE) { DPRINTF(UDMASS_SCSI, ("%s: wrong SCSI ID %d\n", USBDEVNAME(sc->sc_dev), periph->periph_target)); xs->error = XS_DRIVER_STUFFUP; goto done; } #endif cmd = xs->cmd; cmdlen = xs->cmdlen; /* XXX should use transform */ if (cmd->opcode == START_STOP && (sc->quirks & NO_START_STOP)) { /*printf("%s: START_STOP\n", USBDEVNAME(sc->sc_dev));*/ xs->error = XS_NOERROR; goto done; } if (cmd->opcode == INQUIRY && (sc->quirks & FORCE_SHORT_INQUIRY)) { /* * some drives wedge when asked for full inquiry * information. */ memcpy(&trcmd, cmd, sizeof trcmd); trcmd.bytes[4] = SHORT_INQUIRY_LENGTH; cmd = &trcmd; } dir = DIR_NONE; if (xs->datalen) { switch (xs->xs_control & (XS_CTL_DATA_IN | XS_CTL_DATA_OUT)) { case XS_CTL_DATA_IN: dir = DIR_IN; break; case XS_CTL_DATA_OUT: dir = DIR_OUT; break; } } if (xs->datalen > UMASS_MAX_TRANSFER_SIZE) { printf("umass_cmd: large datalen, %d\n", xs->datalen); xs->error = XS_DRIVER_STUFFUP; goto done; } if (xs->xs_control & XS_CTL_POLL) { /* Use sync transfer. XXX Broken! */ DPRINTF(UDMASS_SCSI, ("umass_scsi_cmd: sync dir=%d\n", dir)); sc->sc_xfer_flags = USBD_SYNCHRONOUS; sc->bus.sc_sync_status = USBD_INVAL; sc->transfer(sc, periph->periph_lun, cmd, cmdlen, xs->data, xs->datalen, dir, 0, xs); sc->sc_xfer_flags = 0; DPRINTF(UDMASS_SCSI, ("umass_scsi_cmd: done err=%d\n", sc->bus.sc_sync_status)); switch (sc->bus.sc_sync_status) { case USBD_NORMAL_COMPLETION: xs->error = XS_NOERROR; break; case USBD_TIMEOUT: xs->error = XS_TIMEOUT; break; default: xs->error = XS_DRIVER_STUFFUP; break; } goto done; } else { DPRINTF(UDMASS_SCSI, ("umass_scsi_cmd: async dir=%d, cmdlen=%d" " datalen=%d\n", dir, cmdlen, xs->datalen)); sc->transfer(sc, periph->periph_lun, cmd, cmdlen, xs->data, xs->datalen, dir, umass_scsipi_cb, xs); return; } /* Return if command finishes early. */ done: scsipi_done(xs); return; default: /* Not supported, nothing to do. */ ; } } Static void umass_scsipi_minphys(struct buf *bp) { #ifdef DIAGNOSTIC if (bp->b_bcount <= 0) { printf("umass_scsipi_minphys count(%ld) <= 0\n", bp->b_bcount); bp->b_bcount = UMASS_MAX_TRANSFER_SIZE; } #endif if (bp->b_bcount > UMASS_MAX_TRANSFER_SIZE) bp->b_bcount = UMASS_MAX_TRANSFER_SIZE; minphys(bp); } int umass_scsipi_ioctl(struct scsipi_channel *chan, u_long cmd, caddr_t arg, int flag, struct proc *p) { /*struct umass_softc *sc = link->adapter_softc;*/ switch (cmd) { #if 0 case SCBUSIORESET: ccb->ccb_h.status = CAM_REQ_INPROG; umass_reset(sc, umass_cam_cb, (void *) ccb); return (0); #endif default: return (ENOTTY); } } Static int umass_scsipi_getgeom(struct scsipi_periph *periph, struct disk_parms *dp, u_long sectors) { struct umass_softc *sc = (void *)periph->periph_channel->chan_adapter->adapt_dev; /* If it's not a floppy, we don't know what to do. */ if (sc->cmd_proto != CPROTO_UFI) return (0); switch (sectors) { case 1440: /* Most likely a single density 3.5" floppy. */ dp->heads = 2; dp->sectors = 9; dp->cyls = 80; return (1); case 2880: /* Most likely a double density 3.5" floppy. */ dp->heads = 2; dp->sectors = 18; dp->cyls = 80; return (1); default: return (0); } } Static void umass_scsipi_cb(struct umass_softc *sc, void *priv, int residue, int status) { struct scsipi_xfer *xs = priv; struct scsipi_periph *periph = xs->xs_periph; int cmdlen; int s; #ifdef UMASS_DEBUG struct timeval tv; u_int delta; microtime(&tv); delta = (tv.tv_sec - sc->tv.tv_sec) * 1000000 + tv.tv_usec - sc->tv.tv_usec; #endif DPRINTF(UDMASS_CMD,("umass_scsipi_cb: at %lu.%06lu, delta=%u: xs=%p residue=%d" " status=%d\n", tv.tv_sec, tv.tv_usec, delta, xs, residue, status)); xs->resid = residue; switch (status) { case STATUS_CMD_OK: xs->error = XS_NOERROR; break; case STATUS_CMD_UNKNOWN: case STATUS_CMD_FAILED: /* fetch sense data */ memset(&sc->bus.sc_sense_cmd, 0, sizeof(sc->bus.sc_sense_cmd)); sc->bus.sc_sense_cmd.opcode = REQUEST_SENSE; sc->bus.sc_sense_cmd.byte2 = periph->periph_lun << SCSI_CMD_LUN_SHIFT; sc->bus.sc_sense_cmd.length = sizeof(xs->sense); cmdlen = sizeof(sc->bus.sc_sense_cmd); if (sc->cmd_proto == CPROTO_UFI) /* XXX */ cmdlen = UFI_COMMAND_LENGTH; sc->transfer(sc, periph->periph_lun, &sc->bus.sc_sense_cmd, cmdlen, &xs->sense, sizeof(xs->sense), DIR_IN, umass_scsipi_sense_cb, xs); return; case STATUS_WIRE_FAILED: xs->error = XS_RESET; break; default: panic("%s: Unknown status %d in umass_scsipi_cb\n", USBDEVNAME(sc->sc_dev), status); } DPRINTF(UDMASS_CMD,("umass_scsipi_cb: at %lu.%06lu: return xs->error=" "%d, xs->xs_status=0x%x xs->resid=%d\n", tv.tv_sec, tv.tv_usec, xs->error, xs->xs_status, xs->resid)); s = splbio(); scsipi_done(xs); splx(s); } /* * Finalise a completed autosense operation */ Static void umass_scsipi_sense_cb(struct umass_softc *sc, void *priv, int residue, int status) { struct scsipi_xfer *xs = priv; int s; DPRINTF(UDMASS_CMD,("umass_scsipi_sense_cb: xs=%p residue=%d " "status=%d\n", xs, residue, status)); switch (status) { case STATUS_CMD_OK: case STATUS_CMD_UNKNOWN: /* getting sense data succeeded */ if (xs->cmd->opcode == INQUIRY && (xs->resid < xs->datalen || ((sc->quirks & RS_NO_CLEAR_UA) /* XXX */) )) { /* * Some drivers return SENSE errors even after INQUIRY. * The upper layer doesn't like that. */ xs->error = XS_NOERROR; break; } /* XXX look at residue */ if (residue == 0 || residue == 14)/* XXX */ xs->error = XS_SENSE; else xs->error = XS_SHORTSENSE; break; default: DPRINTF(UDMASS_SCSI, ("%s: Autosense failed, status %d\n", USBDEVNAME(sc->sc_dev), status)); xs->error = XS_DRIVER_STUFFUP; break; } xs->xs_status |= XS_STS_DONE; DPRINTF(UDMASS_CMD,("umass_scsipi_sense_cb: return xs->error=%d, " "xs->xs_status=0x%x xs->resid=%d\n", xs->error, xs->xs_status, xs->resid)); s = splbio(); scsipi_done(xs); splx(s); } #if NATAPIBUS > 0 Static void umass_atapi_probe_device(struct atapibus_softc *atapi, int target) { struct scsipi_channel *chan = atapi->sc_channel; struct scsipi_periph *periph; struct scsipibus_attach_args sa; struct ata_drive_datas *drvp = &atapi->sc_drvs[target]; char vendor[33], product[65], revision[17]; struct scsipi_inquiry_data inqbuf; DPRINTF(UDMASS_SCSI,("umass_atapi_probe_device: atapi=%p target=%d\n", atapi, target)); if (target != UMASS_ATAPI_DRIVE) /* only probe drive 0 */ return; /* skip if already attached */ if (scsipi_lookup_periph(chan, target, 0) != NULL) return; periph = scsipi_alloc_periph(M_NOWAIT); if (periph == NULL) { printf("%s: can't allocate link for drive %d\n", atapi->sc_dev.dv_xname, target); return; } DIF(UDMASS_UPPER, periph->periph_dbflags |= 1); /* XXX 1 */ periph->periph_channel = chan; periph->periph_switch = &atapi_probe_periphsw; periph->periph_target = target; DPRINTF(UDMASS_SCSI, ("umass_atapi_probe_device: doing inquiry\n")); /* Now go ask the device all about itself. */ memset(&inqbuf, 0, sizeof(inqbuf)); if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK) != 0) { DPRINTF(UDMASS_SCSI, ("umass_atapi_probe_device: " "scsipi_inquire failed\n")); free(periph, M_DEVBUF); return; } scsipi_strvis(vendor, 33, inqbuf.vendor, 8); scsipi_strvis(product, 65, inqbuf.product, 16); scsipi_strvis(revision, 17, inqbuf.revision, 4); sa.sa_periph = periph; sa.sa_inqbuf.type = inqbuf.device; sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED; if (sa.sa_inqbuf.removable) periph->periph_flags |= PERIPH_REMOVABLE; sa.sa_inqbuf.vendor = vendor; sa.sa_inqbuf.product = product; sa.sa_inqbuf.revision = revision; sa.sa_inqptr = NULL; DPRINTF(UDMASS_SCSI, ("umass_atapi_probedev: doing atapi_probedev on " "'%s' '%s' '%s'\n", vendor, product, revision)); drvp->drv_softc = atapi_probe_device(atapi, target, periph, &sa); /* atapi_probe_device() frees the periph when there is no device.*/ } #endif