691 lines
20 KiB
C
691 lines
20 KiB
C
/*-
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* Copyright (c) 1998,1999,2000 Søren Schmidt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include "atapicd.h"
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#include "atapist.h"
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#include "atapifd.h"
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#include "opt_global.h"
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#include "opt_ata.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/malloc.h>
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#include <machine/clock.h>
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#include <dev/ata/ata-all.h>
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#include <dev/ata/atapi-all.h>
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/* prototypes */
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static void atapi_read(struct atapi_request *, int32_t);
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static void atapi_write(struct atapi_request *, int32_t);
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static void atapi_timeout(struct atapi_request *request);
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static int8_t *atapi_type(int32_t);
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static int8_t *atapi_cmd2str(u_int8_t);
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static int8_t *atapi_skey2str(u_int8_t);
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/* internal vars */
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MALLOC_DEFINE(M_ATAPI, "ATAPI generic", "ATAPI driver generic layer");
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/* defines */
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#define ATAPI_MAX_RETRIES 3
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#define ATP_PARAM ATA_PARAM(atp->controller, atp->unit)
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void
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atapi_attach(struct ata_softc *scp, int32_t device)
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{
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struct atapi_softc *atp;
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if (!(atp = malloc(sizeof(struct atapi_softc), M_ATAPI, M_NOWAIT))) {
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ata_printf(scp, device, "failed to allocate driver storage\n");
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return;
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}
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bzero(atp, sizeof(struct atapi_softc));
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atp->controller = scp;
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atp->unit = device;
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if (bootverbose)
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ata_printf(scp, device,
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"piomode=%d dmamode=%d udmamode=%d dmaflag=%d\n",
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ata_pmode(ATP_PARAM), ata_wmode(ATP_PARAM),
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ata_umode(ATP_PARAM), ATP_PARAM->dmaflag);
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#ifdef ATA_ENABLE_ATAPI_DMA
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if (!(ATP_PARAM->drqtype == ATAPI_DRQT_INTR)) {
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ata_dmainit(atp->controller, atp->unit,
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(ata_pmode(ATP_PARAM) < 0) ?
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(ATP_PARAM->dmaflag ? 4 : 0) : ata_pmode(ATP_PARAM),
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(ata_wmode(ATP_PARAM) < 0) ?
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(ATP_PARAM->dmaflag ? 2 : 0) : ata_wmode(ATP_PARAM),
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ata_umode(ATP_PARAM));
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}
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else
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#endif
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/* set PIO mode */
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ata_dmainit(atp->controller, atp->unit,
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ata_pmode(ATP_PARAM)<0 ? 0 : ata_pmode(ATP_PARAM), -1, -1);
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switch (ATP_PARAM->device_type) {
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#if NATAPICD > 0
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case ATAPI_TYPE_CDROM:
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if (acdattach(atp))
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goto notfound;
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break;
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#endif
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#if NATAPIFD > 0
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case ATAPI_TYPE_DIRECT:
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if (afdattach(atp))
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goto notfound;
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break;
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#endif
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#if NATAPIST > 0
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case ATAPI_TYPE_TAPE:
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if (astattach(atp))
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goto notfound;
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break;
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#endif
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notfound:
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default:
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ata_printf(scp, device, "<%.40s/%.8s> %s device - NO DRIVER!\n",
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ATP_PARAM->model, ATP_PARAM->revision,
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atapi_type(ATP_PARAM->device_type));
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free(atp, M_ATAPI);
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atp = NULL;
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}
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/* store our softc */
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scp->dev_softc[ATA_DEV(device)] = atp;
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}
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void
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atapi_detach(struct atapi_softc *atp)
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{
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switch (ATP_PARAM->device_type) {
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#if NATAPICD > 0
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case ATAPI_TYPE_CDROM:
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acddetach(atp);
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break;
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#endif
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#if NATAPIFD > 0
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case ATAPI_TYPE_DIRECT:
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afddetach(atp);
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break;
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#endif
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#if NATAPIST > 0
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case ATAPI_TYPE_TAPE:
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astdetach(atp);
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break;
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#endif
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default:
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return;
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}
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free(atp, M_ATAPI);
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}
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int32_t
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atapi_queue_cmd(struct atapi_softc *atp, int8_t *ccb, void *data,
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int32_t count, int32_t flags, int32_t timeout,
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atapi_callback_t callback, void *driver)
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{
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struct atapi_request *request;
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int32_t error, s;
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if (!(request = malloc(sizeof(struct atapi_request), M_ATAPI, M_NOWAIT)))
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return ENOMEM;
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bzero(request, sizeof(struct atapi_request));
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request->device = atp;
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request->data = data;
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request->bytecount = count;
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request->flags = flags;
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request->timeout = timeout * hz;
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request->ccbsize = (ATP_PARAM->cmdsize) ? 16 : 12;
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bcopy(ccb, request->ccb, request->ccbsize);
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if (callback) {
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request->callback = callback;
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request->driver = driver;
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}
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s = splbio();
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/* if not using callbacks, prepare to sleep for this request */
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if (!callback)
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asleep((caddr_t)request, PRIBIO, "atprq", 0);
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/* append onto controller queue and try to start controller */
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#ifdef ATAPI_DEBUG
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printf("%s: queueing %s ",
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request->device->devname, atapi_cmd2str(request->ccb[0]));
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atapi_dump("ccb = ", &request->ccb[0], sizeof(request->ccb));
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#endif
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if (flags & ATPR_F_AT_HEAD)
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TAILQ_INSERT_HEAD(&atp->controller->atapi_queue, request, chain);
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else
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TAILQ_INSERT_TAIL(&atp->controller->atapi_queue, request, chain);
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ata_start(atp->controller);
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/* if callback used, then just return, gets called from interrupt context */
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if (callback) {
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splx(s);
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return 0;
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}
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/* wait for request to complete */
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await(PRIBIO, 0);
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splx(s);
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error = request->error;
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#ifdef ATAPI_DEBUG
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printf("%s: finished %s\n",
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request->device->devname, atapi_cmd2str(request->ccb[0]));
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#endif
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free(request, M_ATAPI);
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return error;
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}
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void
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atapi_start(struct atapi_softc *atp)
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{
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switch (ATP_PARAM->device_type) {
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#if NATAPICD > 0
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case ATAPI_TYPE_CDROM:
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acd_start(atp);
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break;
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#endif
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#if NATAPIFD > 0
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case ATAPI_TYPE_DIRECT:
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afd_start(atp);
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break;
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#endif
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#if NATAPIST > 0
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case ATAPI_TYPE_TAPE:
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ast_start(atp);
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break;
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#endif
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default:
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return;
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}
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}
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void
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atapi_transfer(struct atapi_request *request)
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{
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struct atapi_softc *atp = request->device;
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int32_t timout;
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int8_t reason;
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#ifdef ATAPI_DEBUG
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printf("%s: starting %s ",
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request->device->devname, atapi_cmd2str(request->ccb[0]));
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atapi_dump("ccb = ", &request->ccb[0], sizeof(request->ccb));
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#endif
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/* start timeout for this command */
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request->timeout_handle = timeout((timeout_t *)atapi_timeout,
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request, request->timeout);
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if (request->ccb[0] != ATAPI_REQUEST_SENSE)
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atp->cmd = request->ccb[0];
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/* if DMA enabled setup DMA hardware */
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request->flags &= ~ATPR_F_DMA_USED;
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if ((atp->controller->mode[ATA_DEV(atp->unit)] >= ATA_DMA) &&
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(request->ccb[0] == ATAPI_READ ||
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request->ccb[0] == ATAPI_READ_BIG ||
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((request->ccb[0] == ATAPI_WRITE ||
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request->ccb[0] == ATAPI_WRITE_BIG) &&
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!(atp->controller->flags & ATA_ATAPI_DMA_RO))) &&
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!ata_dmasetup(atp->controller, atp->unit,
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(void *)request->data, request->bytecount,
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request->flags & ATPR_F_READ)) {
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request->flags |= ATPR_F_DMA_USED;
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}
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/* start ATAPI operation */
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if (ata_command(atp->controller, atp->unit, ATA_C_PACKET_CMD,
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request->bytecount, 0, 0, 0,
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(request->flags & ATPR_F_DMA_USED) ? ATA_F_DMA : 0,
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ATA_IMMEDIATE))
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printf("%s: failure to send ATAPI packet command\n", atp->devname);
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if (request->flags & ATPR_F_DMA_USED)
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ata_dmastart(atp->controller);
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/* command interrupt device ? just return */
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if (ATP_PARAM->drqtype == ATAPI_DRQT_INTR)
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return;
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/* ready to write ATAPI command */
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timout = 5000; /* might be less for fast devices */
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while (timout--) {
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reason = inb(atp->controller->ioaddr + ATA_IREASON);
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atp->controller->status = inb(atp->controller->ioaddr + ATA_STATUS);
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if (((reason & (ATA_I_CMD | ATA_I_IN)) |
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(atp->controller->status&(ATA_S_DRQ|ATA_S_BUSY)))==ATAPI_P_CMDOUT)
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break;
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DELAY(20);
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}
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if (timout <= 0) {
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request->result = inb(atp->controller->ioaddr + ATA_ERROR);
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printf("%s: failure to execute ATAPI packet command\n", atp->devname);
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return;
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}
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/* this seems to be needed for some (slow) devices */
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DELAY(10);
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/* send actual command */
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outsw(atp->controller->ioaddr + ATA_DATA, request->ccb,
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request->ccbsize / sizeof(int16_t));
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}
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int32_t
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atapi_interrupt(struct atapi_request *request)
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{
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struct atapi_softc *atp = request->device;
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int8_t **buffer = (int8_t **)&request->data;
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int32_t reason, dma_stat = 0;
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if (request->ccb[0] == ATAPI_REQUEST_SENSE)
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*buffer = (int8_t *)&request->sense;
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reason = (inb(atp->controller->ioaddr+ATA_IREASON) & (ATA_I_CMD|ATA_I_IN)) |
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(atp->controller->status & ATA_S_DRQ);
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if (reason == ATAPI_P_CMDOUT) {
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if (!(atp->controller->status & ATA_S_DRQ)) {
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request->result = inb(atp->controller->ioaddr + ATA_ERROR);
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printf("%s: command interrupt without DRQ\n", atp->devname);
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goto op_finished;
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}
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outsw(atp->controller->ioaddr + ATA_DATA, request->ccb,
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request->ccbsize / sizeof(int16_t));
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return ATA_OP_CONTINUES;
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}
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if (request->flags & ATPR_F_DMA_USED) {
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dma_stat = ata_dmadone(atp->controller);
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if ((atp->controller->status & (ATA_S_ERROR | ATA_S_DWF)) ||
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dma_stat & ATA_BMSTAT_ERROR) {
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request->result = inb(atp->controller->ioaddr + ATA_ERROR);
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}
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else {
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request->result = 0;
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request->donecount = request->bytecount;
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request->bytecount = 0;
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}
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}
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else {
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int32_t length = inb(atp->controller->ioaddr + ATA_CYL_LSB) |
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inb(atp->controller->ioaddr + ATA_CYL_MSB) << 8;
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switch (reason) {
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case ATAPI_P_WRITE:
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if (request->flags & ATPR_F_READ) {
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request->result = inb(atp->controller->ioaddr + ATA_ERROR);
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printf("%s: %s trying to write on read buffer\n",
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atp->devname, atapi_cmd2str(atp->cmd));
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break;
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}
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atapi_write(request, length);
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return ATA_OP_CONTINUES;
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case ATAPI_P_READ:
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if (!(request->flags & ATPR_F_READ)) {
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request->result = inb(atp->controller->ioaddr + ATA_ERROR);
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printf("%s: %s trying to read on write buffer\n",
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atp->devname, atapi_cmd2str(atp->cmd));
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break;
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}
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atapi_read(request, length);
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return ATA_OP_CONTINUES;
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case ATAPI_P_DONEDRQ:
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printf("%s: %s DONEDRQ\n", atp->devname, atapi_cmd2str(atp->cmd));
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if (request->flags & ATPR_F_READ)
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atapi_read(request, length);
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else
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atapi_write(request, length);
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/* FALLTHROUGH */
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case ATAPI_P_ABORT:
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case ATAPI_P_DONE:
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if (atp->controller->status & (ATA_S_ERROR | ATA_S_DWF))
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request->result = inb(atp->controller->ioaddr + ATA_ERROR);
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else
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if (request->ccb[0] != ATAPI_REQUEST_SENSE)
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request->result = 0;
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break;
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default:
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printf("%s: unknown transfer phase %d\n", atp->devname, reason);
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}
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}
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op_finished:
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untimeout((timeout_t *)atapi_timeout, request, request->timeout_handle);
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/* check for error, if valid sense key, queue a request sense cmd */
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if ((request->result & ATAPI_SK_MASK) &&
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request->ccb[0] != ATAPI_REQUEST_SENSE) {
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bzero(request->ccb, request->ccbsize);
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request->ccb[0] = ATAPI_REQUEST_SENSE;
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request->ccb[4] = sizeof(struct atapi_reqsense);
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request->bytecount = sizeof(struct atapi_reqsense);
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request->flags = ATPR_F_READ;
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TAILQ_INSERT_HEAD(&atp->controller->atapi_queue, request, chain);
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}
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else {
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request->error = 0;
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if (request->result) {
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switch ((request->result & ATAPI_SK_MASK)) {
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case ATAPI_SK_RESERVED:
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printf("%s: %s - timeout error = %02x\n",
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atp->devname,
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atapi_cmd2str(atp->cmd), request->result & ATAPI_E_MASK);
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request->error = EIO;
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break;
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case ATAPI_SK_NO_SENSE:
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request->error = 0;
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break;
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case ATAPI_SK_RECOVERED_ERROR:
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printf("%s: %s - recovered error\n",
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atp->devname, atapi_cmd2str(atp->cmd));
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request->error = 0;
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break;
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case ATAPI_SK_NOT_READY:
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request->error = EBUSY;
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break;
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case ATAPI_SK_UNIT_ATTENTION:
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atp->flags |= ATAPI_F_MEDIA_CHANGED;
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request->error = EIO;
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break;
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default:
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printf("%s: %s - %s asc=%02x ascq=%02x error=%02x\n",
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atp->devname, atapi_cmd2str(atp->cmd),
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atapi_skey2str(request->sense.sense_key),
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request->sense.asc, request->sense.ascq,
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request->result & ATAPI_E_MASK);
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request->error = EIO;
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}
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}
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if (request->callback) {
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#ifdef ATAPI_DEBUG
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printf("%s: finished %s (callback)\n",
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request->device->devname, atapi_cmd2str(request->ccb[0]));
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#endif
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if (!((request->callback)(request)))
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free(request, M_ATAPI);
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}
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else
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wakeup((caddr_t)request);
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}
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return ATA_OP_FINISHED;
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}
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void
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atapi_reinit(struct atapi_softc *atp)
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{
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/* reinit device parameters */
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if (atp->controller->mode[ATA_DEV(atp->unit)] >= ATA_DMA)
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ata_dmainit(atp->controller, atp->unit,
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(ata_pmode(ATP_PARAM) < 0) ?
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(ATP_PARAM->dmaflag ? 4 : 0) : ata_pmode(ATP_PARAM),
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(ata_wmode(ATP_PARAM) < 0) ?
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(ATP_PARAM->dmaflag ? 2 : 0) : ata_wmode(ATP_PARAM),
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ata_umode(ATP_PARAM));
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else
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ata_dmainit(atp->controller, atp->unit,
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ata_pmode(ATP_PARAM)<0 ? 0 : ata_pmode(ATP_PARAM), -1, -1);
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}
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int32_t
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atapi_test_ready(struct atapi_softc *atp)
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{
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int8_t ccb[16] = { ATAPI_TEST_UNIT_READY, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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return atapi_queue_cmd(atp, ccb, NULL, 0, 0, 30, NULL, NULL);
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}
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int32_t
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atapi_wait_ready(struct atapi_softc *atp, int32_t timeout)
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{
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int32_t error = 0, timout = timeout * hz;
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|
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while (timout > 0) {
|
|
if ((error = atapi_test_ready(atp)) != EBUSY)
|
|
break;
|
|
tsleep((caddr_t)&error, PRIBIO, "atpwt", 50);
|
|
timout -= 50;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
void
|
|
atapi_dump(int8_t *label, void *data, int32_t len)
|
|
{
|
|
u_int8_t *p = data;
|
|
|
|
printf ("%s %02x", label, *p++);
|
|
while (--len > 0)
|
|
printf ("-%02x", *p++);
|
|
printf ("\n");
|
|
}
|
|
|
|
static void
|
|
atapi_read(struct atapi_request *request, int32_t length)
|
|
{
|
|
int8_t **buffer = (int8_t **)&request->data;
|
|
int32_t size = min(request->bytecount, length);
|
|
int32_t resid;
|
|
|
|
if (request->ccb[0] == ATAPI_REQUEST_SENSE)
|
|
*buffer = (int8_t *)&request->sense;
|
|
|
|
if (request->device->controller->flags & ATA_USE_16BIT ||
|
|
(size % sizeof(int32_t)))
|
|
insw(request->device->controller->ioaddr + ATA_DATA,
|
|
(void *)((uintptr_t)*buffer), size / sizeof(int16_t));
|
|
else
|
|
insl(request->device->controller->ioaddr + ATA_DATA,
|
|
(void *)((uintptr_t)*buffer), size / sizeof(int32_t));
|
|
|
|
if (request->bytecount < length) {
|
|
printf("%s: read data overrun %d/%d\n",
|
|
request->device->devname, length, request->bytecount);
|
|
for (resid=request->bytecount; resid<length; resid+=sizeof(int16_t))
|
|
inw(request->device->controller->ioaddr + ATA_DATA);
|
|
}
|
|
*buffer += size;
|
|
request->bytecount -= size;
|
|
request->donecount += size;
|
|
}
|
|
|
|
static void
|
|
atapi_write(struct atapi_request *request, int32_t length)
|
|
{
|
|
int8_t **buffer = (int8_t **)&request->data;
|
|
int32_t size = min(request->bytecount, length);
|
|
int32_t resid;
|
|
|
|
if (request->ccb[0] == ATAPI_REQUEST_SENSE)
|
|
*buffer = (int8_t *)&request->sense;
|
|
|
|
if (request->device->controller->flags & ATA_USE_16BIT ||
|
|
(size % sizeof(int32_t)))
|
|
outsw(request->device->controller->ioaddr + ATA_DATA,
|
|
(void *)((uintptr_t)*buffer), size / sizeof(int16_t));
|
|
else
|
|
outsl(request->device->controller->ioaddr + ATA_DATA,
|
|
(void *)((uintptr_t)*buffer), size / sizeof(int32_t));
|
|
|
|
if (request->bytecount < length) {
|
|
printf("%s: write data underrun %d/%d\n",
|
|
request->device->devname, length, request->bytecount);
|
|
for (resid=request->bytecount; resid<length; resid+=sizeof(int16_t))
|
|
outw(request->device->controller->ioaddr + ATA_DATA, 0);
|
|
}
|
|
*buffer += size;
|
|
request->bytecount -= size;
|
|
request->donecount += size;
|
|
}
|
|
|
|
static void
|
|
atapi_timeout(struct atapi_request *request)
|
|
{
|
|
struct atapi_softc *atp = request->device;
|
|
int32_t s = splbio();
|
|
|
|
atp->controller->running = NULL;
|
|
printf("%s: %s command timeout - resetting\n",
|
|
atp->devname, atapi_cmd2str(request->ccb[0]));
|
|
|
|
if (request->flags & ATPR_F_DMA_USED) {
|
|
ata_dmadone(atp->controller);
|
|
if (request->retries == ATAPI_MAX_RETRIES) {
|
|
ata_dmainit(atp->controller, atp->unit,
|
|
(ata_pmode(ATP_PARAM)<0)?0:ata_pmode(ATP_PARAM),-1,-1);
|
|
printf("%s: trying fallback to PIO mode\n", atp->devname);
|
|
request->retries = 0;
|
|
}
|
|
}
|
|
|
|
/* if retries still permit, reinject this request */
|
|
if (request->retries++ < ATAPI_MAX_RETRIES)
|
|
TAILQ_INSERT_HEAD(&atp->controller->atapi_queue, request, chain);
|
|
else {
|
|
/* retries all used up, return error */
|
|
request->result = ATAPI_SK_RESERVED | ATAPI_E_ABRT;
|
|
wakeup((caddr_t)request);
|
|
}
|
|
ata_reinit(atp->controller);
|
|
splx(s);
|
|
}
|
|
|
|
static int8_t *
|
|
atapi_type(int32_t type)
|
|
{
|
|
switch (type) {
|
|
case ATAPI_TYPE_CDROM:
|
|
return "CDROM";
|
|
case ATAPI_TYPE_DIRECT:
|
|
return "floppy";
|
|
case ATAPI_TYPE_TAPE:
|
|
return "tape";
|
|
case ATAPI_TYPE_OPTICAL:
|
|
return "optical";
|
|
default:
|
|
return "Unknown";
|
|
}
|
|
}
|
|
|
|
static int8_t *
|
|
atapi_cmd2str(u_int8_t cmd)
|
|
{
|
|
switch (cmd) {
|
|
case 0x00: return ("TEST_UNIT_READY");
|
|
case 0x01: return ("REWIND");
|
|
case 0x03: return ("REQUEST_SENSE");
|
|
case 0x04: return ("FORMAT_UNIT");
|
|
case 0x08: return ("READ");
|
|
case 0x0a: return ("WRITE");
|
|
case 0x10: return ("WEOF");
|
|
case 0x11: return ("SPACE");
|
|
case 0x15: return ("MODE_SELECT");
|
|
case 0x19: return ("ERASE");
|
|
case 0x1a: return ("MODE_SENSE");
|
|
case 0x1b: return ("START_STOP");
|
|
case 0x1e: return ("PREVENT_ALLOW");
|
|
case 0x25: return ("READ_CAPACITY");
|
|
case 0x28: return ("READ_BIG");
|
|
case 0x2a: return ("WRITE_BIG");
|
|
case 0x2b: return ("LOCATE");
|
|
case 0x34: return ("READ_POSITION");
|
|
case 0x35: return ("SYNCHRONIZE_CACHE");
|
|
case 0x3b: return ("WRITE_BUFFER");
|
|
case 0x3c: return ("READ_BUFFER");
|
|
case 0x42: return ("READ_SUBCHANNEL");
|
|
case 0x43: return ("READ_TOC");
|
|
case 0x47: return ("PLAY_MSF");
|
|
case 0x48: return ("PLAY_TRACK");
|
|
case 0x4b: return ("PAUSE");
|
|
case 0x51: return ("READ_DISK_INFO");
|
|
case 0x52: return ("READ_TRACK_INFO");
|
|
case 0x53: return ("RESERVE_TRACK");
|
|
case 0x54: return ("SEND_OPC_INFO");
|
|
case 0x55: return ("MODE_SELECT_BIG");
|
|
case 0x58: return ("REPAIR_TRACK");
|
|
case 0x59: return ("READ_MASTER_CUE");
|
|
case 0x5a: return ("MODE_SENSE_BIG");
|
|
case 0x5b: return ("CLOSE_TRACK/SESSION");
|
|
case 0x5c: return ("READ_BUFFER_CAPACITY");
|
|
case 0x5d: return ("SEND_CUE_SHEET");
|
|
case 0xa1: return ("BLANK_CMD");
|
|
case 0xa3: return ("SEND_KEY");
|
|
case 0xa4: return ("REPORT_KEY");
|
|
case 0xa5: return ("PLAY_BIG");
|
|
case 0xa6: return ("LOAD_UNLOAD");
|
|
case 0xad: return ("READ_DVD_STRUCTURE");
|
|
case 0xb4: return ("PLAY_CD");
|
|
case 0xbb: return ("SET_SPEED");
|
|
case 0xbd: return ("MECH_STATUS");
|
|
case 0xbe: return ("READ_CD");
|
|
default: {
|
|
static int8_t buffer[16];
|
|
sprintf(buffer, "unknown CMD (0x%02x)", cmd);
|
|
return buffer;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int8_t *
|
|
atapi_skey2str(u_int8_t skey)
|
|
{
|
|
switch (skey) {
|
|
case 0x00: return ("NO SENSE");
|
|
case 0x01: return ("RECOVERED ERROR");
|
|
case 0x02: return ("NOT READY");
|
|
case 0x03: return ("MEDIUM ERROR");
|
|
case 0x04: return ("HARDWARE ERROR");
|
|
case 0x05: return ("ILLEGAL REQUEST");
|
|
case 0x06: return ("UNIT ATTENTION");
|
|
case 0x07: return ("DATA PROTECT");
|
|
case 0x08: return ("BLANK CHECK");
|
|
case 0x09: return ("VENDOR SPECIFIC");
|
|
case 0x0a: return ("COPY ABORTED");
|
|
case 0x0b: return ("ABORTED COMMAND");
|
|
case 0x0c: return ("EQUAL");
|
|
case 0x0d: return ("VOLUME OVERFLOW");
|
|
case 0x0e: return ("MISCOMPARE");
|
|
case 0x0f: return ("RESERVED");
|
|
default: return("UNKNOWN");
|
|
}
|
|
}
|