733 lines
21 KiB
C
733 lines
21 KiB
C
/*-
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* Copyright (c) 1998,1999,2000,2001,2002 Søren Schmidt <sos@FreeBSD.org>
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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 "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/ata.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 <sys/bio.h>
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#include <sys/sysctl.h>
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#include <machine/bus.h>
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#include <sys/rman.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 *, int);
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static void atapi_write(struct atapi_request *, int);
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static void atapi_finish(struct atapi_request *);
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static void atapi_timeout(struct atapi_request *);
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static char *atapi_type(int);
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static char *atapi_cmd2str(u_int8_t);
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static char *atapi_skey2str(u_int8_t);
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/* misc defines */
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#define ATAPI_MAX_RETRIES 3
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/* internal vars */
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static int atapi_dma = 0;
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TUNABLE_INT("hw.ata.atapi_dma", &atapi_dma);
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static MALLOC_DEFINE(M_ATAPI, "ATAPI generic", "ATAPI driver generic layer");
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/* systcl vars */
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SYSCTL_DECL(_hw_ata);
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SYSCTL_INT(_hw_ata, OID_AUTO, atapi_dma, CTLFLAG_RD, &atapi_dma, 0,
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"ATAPI device DMA mode control");
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void
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atapi_attach(struct ata_device *atadev)
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{
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if (bootverbose)
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ata_prtdev(atadev, "piomode=%d dmamode=%d udmamode=%d dmaflag=%d\n",
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ata_pmode(atadev->param), ata_wmode(atadev->param),
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ata_umode(atadev->param), atadev->param->support_dma);
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ATA_SLEEPLOCK_CH(atadev->channel, ATA_CONTROL);
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if (atapi_dma && !(atadev->param->drq_type == ATAPI_DRQT_INTR)) {
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ata_dmainit(atadev,
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(ata_pmode(atadev->param) < 0) ?
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(atadev->param->support_dma ? 4:0):ata_pmode(atadev->param),
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(ata_wmode(atadev->param) < 0) ?
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(atadev->param->support_dma ? 2:0):ata_wmode(atadev->param),
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ata_umode(atadev->param));
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}
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else
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ata_dmainit(atadev,
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ata_pmode(atadev->param) < 0 ? 0 : ata_pmode(atadev->param),
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-1, -1);
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ATA_UNLOCK_CH(atadev->channel);
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if (!(atadev->result = malloc(sizeof(struct atapi_reqsense), M_ATAPI,
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M_NOWAIT | M_ZERO)))
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ata_prtdev(atadev, "no memory for sense data\n");
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switch (atadev->param->type) {
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#ifdef DEV_ATAPICD
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case ATAPI_TYPE_CDROM:
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if (acdattach(atadev))
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return;
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break;
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#endif
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#ifdef DEV_ATAPIFD
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case ATAPI_TYPE_DIRECT:
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if (afdattach(atadev))
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return;
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break;
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#endif
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#ifdef DEV_ATAPIST
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case ATAPI_TYPE_TAPE:
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if (astattach(atadev))
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return;
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break;
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#endif
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}
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ata_prtdev(atadev, "<%.40s/%.8s> %s device - NO DRIVER!\n",
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atadev->param->model, atadev->param->revision,
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atapi_type(atadev->param->type));
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free(atadev->result, M_ATAPI);
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atadev->driver = NULL;
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}
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void
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atapi_detach(struct ata_device *atadev)
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{
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struct atapi_request *request;
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atadev->flags |= ATA_D_DETACHING;
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ata_prtdev(atadev, "removed from configuration\n");
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switch (atadev->param->type) {
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#ifdef DEV_ATAPICD
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case ATAPI_TYPE_CDROM:
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acddetach(atadev);
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break;
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#endif
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#ifdef DEV_ATAPIFD
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case ATAPI_TYPE_DIRECT:
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afddetach(atadev);
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break;
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#endif
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#ifdef DEV_ATAPIST
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case ATAPI_TYPE_TAPE:
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astdetach(atadev);
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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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TAILQ_FOREACH(request, &atadev->channel->atapi_queue, chain) {
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if (request->device != atadev)
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continue;
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TAILQ_REMOVE(&atadev->channel->atapi_queue, request, chain);
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if (request->driver) {
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struct bio *bp = (struct bio *) request->driver;
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biofinish(bp, NULL, ENXIO);
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}
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free(request, M_ATAPI);
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}
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ata_dmafree(atadev);
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free(atadev->result, M_ATAPI);
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atadev->driver = NULL;
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atadev->flags = 0;
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}
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int
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atapi_queue_cmd(struct ata_device *atadev, int8_t *ccb, caddr_t data,
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int count, int flags, int 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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int error, s;
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if (!(request = malloc(sizeof(struct atapi_request), M_ATAPI,
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M_NOWAIT | M_ZERO)))
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return ENOMEM;
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request->device = atadev;
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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 = atadev->param->packet_size ? 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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if (atadev->mode >= ATA_DMA) {
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if (ata_dmaalloc(atadev))
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atadev->mode = ATA_PIO;
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}
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#ifdef ATAPI_DEBUG
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ata_prtdev(atadev, "queueing %s ", 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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/* append onto controller queue and try to start controller */
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s = splbio();
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if (flags & ATPR_F_AT_HEAD)
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TAILQ_INSERT_HEAD(&atadev->channel->atapi_queue, request, chain);
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else
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TAILQ_INSERT_TAIL(&atadev->channel->atapi_queue, request, chain);
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ata_start(atadev->channel);
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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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tsleep((caddr_t)request, PRIBIO, "atprq", 0);
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splx(s);
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error = request->error;
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if (error)
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bcopy(&request->sense, atadev->result, sizeof(struct atapi_reqsense));
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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 ata_device *atadev)
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{
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switch (atadev->param->type) {
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#ifdef DEV_ATAPICD
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case ATAPI_TYPE_CDROM:
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acd_start(atadev);
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break;
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#endif
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#ifdef DEV_ATAPIFD
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case ATAPI_TYPE_DIRECT:
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afd_start(atadev);
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break;
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#endif
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#ifdef DEV_ATAPIST
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case ATAPI_TYPE_TAPE:
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ast_start(atadev);
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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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int
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atapi_transfer(struct atapi_request *request)
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{
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struct ata_device *atadev = request->device;
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int timout;
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u_int8_t reason;
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#ifdef ATAPI_DEBUG
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ata_prtdev(atadev, "starting %s ", 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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/* is this just a POLL DSC command ? */
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if (request->ccb[0] == ATAPI_POLL_DSC) {
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ATA_OUTB(atadev->channel->r_io, ATA_DRIVE, ATA_D_IBM | atadev->unit);
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DELAY(10);
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if (ATA_INB(atadev->channel->r_altio, ATA_ALTSTAT) & ATA_S_DSC)
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request->error = 0;
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else
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request->error = EBUSY;
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atapi_finish(request);
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return ATA_OP_FINISHED;
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}
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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->flags & ATPR_F_INTERNAL))
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atadev->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 ((atadev->mode >= ATA_DMA) &&
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(request->ccb[0] == ATAPI_READ || 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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!(atadev->channel->flags & ATA_ATAPI_DMA_RO))) &&
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!ata_dmasetup(atadev, (void *)request->data, request->bytecount)) {
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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(atadev, ATA_C_PACKET_CMD, (request->bytecount << 8), 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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ata_prtdev(atadev, "failure to send ATAPI packet command\n");
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if (request->flags & ATPR_F_DMA_USED)
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ata_dmastart(atadev, request->data, request->bytecount,
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request->flags & ATPR_F_READ);
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/* command interrupt device ? just return */
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if (atadev->param->drq_type == ATAPI_DRQT_INTR)
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return ATA_OP_CONTINUES;
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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 = ATA_INB(atadev->channel->r_io, ATA_IREASON);
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atadev->channel->status = ATA_INB(atadev->channel->r_io, ATA_STATUS);
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if (((reason & (ATA_I_CMD | ATA_I_IN)) |
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(atadev->channel->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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ata_prtdev(atadev, "failure to execute ATAPI packet command\n");
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untimeout((timeout_t *)atapi_timeout, request, request->timeout_handle);
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request->error = EIO;
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atapi_finish(request);
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return ATA_OP_FINISHED;
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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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ATA_OUTSW_STRM(atadev->channel->r_io, ATA_DATA, (int16_t *)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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int
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atapi_interrupt(struct atapi_request *request)
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{
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struct ata_device *atadev = request->device;
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int reason, dma_stat = 0;
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reason = (ATA_INB(atadev->channel->r_io, ATA_IREASON)&(ATA_I_CMD|ATA_I_IN))|
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(atadev->channel->status & ATA_S_DRQ);
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if (reason == ATAPI_P_CMDOUT) {
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if (!(atadev->channel->status & ATA_S_DRQ)) {
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ata_prtdev(atadev, "command interrupt without DRQ\n");
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untimeout((timeout_t *)atapi_timeout,
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request, request->timeout_handle);
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request->error = EIO;
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atapi_finish(request);
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return ATA_OP_FINISHED;
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}
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ATA_OUTSW_STRM(atadev->channel->r_io, ATA_DATA, (int16_t *)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(atadev);
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if ((atadev->channel->status & (ATA_S_ERROR | ATA_S_DWF)) ||
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dma_stat & ATA_BMSTAT_ERROR) {
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request->result = ATA_INB(atadev->channel->r_io, 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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int length = ATA_INB(atadev->channel->r_io, ATA_CYL_LSB) |
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ATA_INB(atadev->channel->r_io, 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 = ATA_INB(atadev->channel->r_io, ATA_ERROR);
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ata_prtdev(atadev, "%s trying to write on read buffer\n",
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atapi_cmd2str(atadev->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 = ATA_INB(atadev->channel->r_io, ATA_ERROR);
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ata_prtdev(atadev, "%s trying to read on write buffer\n",
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atapi_cmd2str(atadev->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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ata_prtdev(atadev, "%s DONEDRQ\n", atapi_cmd2str(atadev->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 (atadev->channel->status & (ATA_S_ERROR | ATA_S_DWF))
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request->result = ATA_INB(atadev->channel->r_io, ATA_ERROR);
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else
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if (!(request->flags & ATPR_F_INTERNAL))
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request->result = 0;
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break;
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default:
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ata_prtdev(atadev, "unknown transfer phase %d\n", reason);
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}
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}
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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_QUIET;
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request->flags |= ATPR_F_READ | ATPR_F_INTERNAL;
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TAILQ_INSERT_HEAD(&atadev->channel->atapi_queue, request, chain);
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}
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else {
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if (request->result) {
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switch ((request->result & ATAPI_SK_MASK)) {
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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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ata_prtdev(atadev, "%s - recovered error\n",
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atapi_cmd2str(atadev->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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atadev->flags |= ATA_D_MEDIA_CHANGED;
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request->error = EIO;
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break;
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default:
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request->error = EIO;
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if (request->flags & ATPR_F_QUIET)
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break;
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ata_prtdev(atadev, "%s - %s asc=0x%02x ascq=0x%02x ",
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atapi_cmd2str(atadev->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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if (request->sense.sksv)
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printf("sks=0x%02x 0x%02x 0x%02x ",
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request->sense.sk_specific,
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request->sense.sk_specific1,
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request->sense.sk_specific2);
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printf("error=0x%02x\n", request->result & ATAPI_E_MASK);
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}
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}
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else
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request->error = 0;
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atapi_finish(request);
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}
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return ATA_OP_FINISHED;
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}
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|
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void
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atapi_reinit(struct ata_device *atadev)
|
|
{
|
|
/* reinit device parameters */
|
|
if (atadev->mode >= ATA_DMA)
|
|
ata_dmainit(atadev,
|
|
(ata_pmode(atadev->param) < 0) ?
|
|
(atadev->param->support_dma ? 4:0):ata_pmode(atadev->param),
|
|
(ata_wmode(atadev->param) < 0) ?
|
|
(atadev->param->support_dma ? 2:0):ata_wmode(atadev->param),
|
|
ata_umode(atadev->param));
|
|
else
|
|
ata_dmainit(atadev,
|
|
ata_pmode(atadev->param)<0 ? 0 : ata_pmode(atadev->param),
|
|
-1, -1);
|
|
}
|
|
|
|
int
|
|
atapi_test_ready(struct ata_device *atadev)
|
|
{
|
|
int8_t ccb[16] = { ATAPI_TEST_UNIT_READY, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
|
|
|
|
return atapi_queue_cmd(atadev, ccb, NULL, 0, 0, 30, NULL, NULL);
|
|
}
|
|
|
|
int
|
|
atapi_wait_dsc(struct ata_device *atadev, int timeout)
|
|
{
|
|
int error = 0;
|
|
int8_t ccb[16] = { ATAPI_POLL_DSC, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
|
|
|
|
timeout *= hz;
|
|
while (timeout > 0) {
|
|
error = atapi_queue_cmd(atadev, ccb, NULL, 0, 0, 0, NULL, NULL);
|
|
if (error != EBUSY)
|
|
break;
|
|
tsleep((caddr_t)&error, PRIBIO, "atpwt", hz / 2);
|
|
timeout -= (hz / 2);
|
|
}
|
|
return error;
|
|
}
|
|
|
|
void
|
|
atapi_dump(char *label, void *data, int 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, int length)
|
|
{
|
|
int8_t **buffer = (int8_t **)&request->data;
|
|
int size = min(request->bytecount, length);
|
|
struct ata_channel *ch = request->device->channel;
|
|
int resid;
|
|
|
|
if (request->flags & ATPR_F_INTERNAL)
|
|
*buffer = (int8_t *)&request->sense;
|
|
|
|
if (ch->flags & ATA_USE_16BIT || (size % sizeof(int32_t)))
|
|
ATA_INSW_STRM(ch->r_io, ATA_DATA, (void *)((uintptr_t)*buffer),
|
|
size / sizeof(int16_t));
|
|
else
|
|
ATA_INSL_STRM(ch->r_io, ATA_DATA, (void *)((uintptr_t)*buffer),
|
|
size / sizeof(int32_t));
|
|
|
|
if (request->bytecount < length) {
|
|
ata_prtdev(request->device, "read data overrun %d/%d\n",
|
|
length, request->bytecount);
|
|
for (resid=request->bytecount; resid<length; resid+=sizeof(int16_t))
|
|
ATA_INW(ch->r_io, ATA_DATA);
|
|
}
|
|
*buffer += size;
|
|
request->bytecount -= size;
|
|
request->donecount += size;
|
|
}
|
|
|
|
static void
|
|
atapi_write(struct atapi_request *request, int length)
|
|
{
|
|
int8_t **buffer = (int8_t **)&request->data;
|
|
int size = min(request->bytecount, length);
|
|
struct ata_channel *ch = request->device->channel;
|
|
int resid;
|
|
|
|
if (request->flags & ATPR_F_INTERNAL)
|
|
*buffer = (int8_t *)&request->sense;
|
|
|
|
if (ch->flags & ATA_USE_16BIT || (size % sizeof(int32_t)))
|
|
ATA_OUTSW_STRM(ch->r_io, ATA_DATA, (void *)((uintptr_t)*buffer),
|
|
size / sizeof(int16_t));
|
|
else
|
|
ATA_OUTSL_STRM(ch->r_io, ATA_DATA, (void *)((uintptr_t)*buffer),
|
|
size / sizeof(int32_t));
|
|
|
|
if (request->bytecount < length) {
|
|
ata_prtdev(request->device, "write data underrun %d/%d\n",
|
|
length, request->bytecount);
|
|
for (resid=request->bytecount; resid<length; resid+=sizeof(int16_t))
|
|
ATA_OUTW(ch->r_io, ATA_DATA, 0);
|
|
}
|
|
*buffer += size;
|
|
request->bytecount -= size;
|
|
request->donecount += size;
|
|
}
|
|
|
|
static void
|
|
atapi_finish(struct atapi_request *request)
|
|
{
|
|
#ifdef ATAPI_DEBUG
|
|
ata_prtdev(request->device, "finished %s%s\n",
|
|
request->callback ? "callback " : "",
|
|
atapi_cmd2str(request->ccb[0]));
|
|
#endif
|
|
if (request->callback) {
|
|
if (!((request->callback)(request)))
|
|
free(request, M_ATAPI);
|
|
}
|
|
else
|
|
wakeup((caddr_t)request);
|
|
}
|
|
|
|
static void
|
|
atapi_timeout(struct atapi_request *request)
|
|
{
|
|
struct ata_device *atadev = request->device;
|
|
|
|
atadev->channel->running = NULL;
|
|
ata_prtdev(atadev, "%s command timeout - resetting\n",
|
|
atapi_cmd2str(request->ccb[0]));
|
|
|
|
if (request->flags & ATPR_F_DMA_USED) {
|
|
ata_dmadone(atadev);
|
|
if (request->retries == ATAPI_MAX_RETRIES) {
|
|
ata_dmainit(atadev,
|
|
(ata_pmode(atadev->param) < 0) ? 0 :
|
|
ata_pmode(atadev->param), -1, -1);
|
|
ata_prtdev(atadev, "trying fallback to PIO mode\n");
|
|
request->retries = 0;
|
|
}
|
|
}
|
|
|
|
/* if retries still permit, reinject this request */
|
|
if (request->retries++ < ATAPI_MAX_RETRIES) {
|
|
int s = splbio();
|
|
|
|
TAILQ_INSERT_HEAD(&atadev->channel->atapi_queue, request, chain);
|
|
splx(s);
|
|
}
|
|
else {
|
|
/* retries all used up, return error */
|
|
request->error = EIO;
|
|
wakeup((caddr_t)request);
|
|
}
|
|
ata_reinit(atadev->channel);
|
|
}
|
|
|
|
static char *
|
|
atapi_type(int 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 char *
|
|
atapi_cmd2str(u_int8_t cmd)
|
|
{
|
|
switch (cmd) {
|
|
case 0x00: return ("TEST_UNIT_READY");
|
|
case 0x01: return ("REZERO");
|
|
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 0x23: return ("ATAPI_READ_FORMAT_CAPACITIES");
|
|
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 0x45: return ("PLAY_10");
|
|
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_12");
|
|
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");
|
|
case 0xff: return ("POLL_DSC");
|
|
default: {
|
|
static char buffer[16];
|
|
sprintf(buffer, "unknown CMD (0x%02x)", cmd);
|
|
return buffer;
|
|
}
|
|
}
|
|
}
|
|
|
|
static char *
|
|
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");
|
|
}
|
|
}
|