801 lines
24 KiB
C
801 lines
24 KiB
C
/*-
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* Copyright (c) 1998 - 2008 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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*
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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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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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/bio.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/sema.h>
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#include <sys/taskqueue.h>
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#include <vm/uma.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 <ata_if.h>
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/* prototypes */
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static void ata_completed(void *, int);
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static void ata_sort_queue(struct ata_channel *ch, struct ata_request *request);
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static char *ata_skey2str(u_int8_t);
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void
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ata_queue_request(struct ata_request *request)
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{
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struct ata_channel *ch;
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struct ata_device *atadev = device_get_softc(request->dev);
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/* treat request as virgin (this might be an ATA_R_REQUEUE) */
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request->result = request->status = request->error = 0;
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/* Prepare paramers required by low-level code. */
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request->unit = atadev->unit;
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if (!(request->parent = device_get_parent(request->dev))) {
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request->result = ENXIO;
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if (request->callback)
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(request->callback)(request);
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return;
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}
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if ((atadev->param.config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16)
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request->flags |= ATA_R_ATAPI16;
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if ((atadev->param.config & ATA_DRQ_MASK) == ATA_DRQ_INTR)
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request->flags |= ATA_R_ATAPI_INTR;
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if ((request->flags & ATA_R_ATAPI) == 0)
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ata_modify_if_48bit(request);
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ch = device_get_softc(request->parent);
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callout_init_mtx(&request->callout, &ch->state_mtx, CALLOUT_RETURNUNLOCKED);
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if (!request->callback && !(request->flags & ATA_R_REQUEUE))
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sema_init(&request->done, 0, "ATA request done");
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/* in ATA_STALL_QUEUE state we call HW directly */
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if ((ch->state & ATA_STALL_QUEUE) && (request->flags & ATA_R_CONTROL)) {
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mtx_lock(&ch->state_mtx);
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ch->running = request;
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if (ch->hw.begin_transaction(request) == ATA_OP_FINISHED) {
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ch->running = NULL;
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if (!request->callback)
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sema_destroy(&request->done);
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mtx_unlock(&ch->state_mtx);
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return;
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}
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mtx_unlock(&ch->state_mtx);
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}
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/* otherwise put request on the locked queue at the specified location */
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else {
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mtx_lock(&ch->queue_mtx);
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if (request->flags & ATA_R_AT_HEAD)
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TAILQ_INSERT_HEAD(&ch->ata_queue, request, chain);
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else if (request->flags & ATA_R_ORDERED)
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ata_sort_queue(ch, request);
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else
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TAILQ_INSERT_TAIL(&ch->ata_queue, request, chain);
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mtx_unlock(&ch->queue_mtx);
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ATA_DEBUG_RQ(request, "queued");
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ata_start(ch->dev);
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}
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/* if this is a requeued request callback/sleep we're done */
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if (request->flags & ATA_R_REQUEUE)
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return;
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/* if this is not a callback wait until request is completed */
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if (!request->callback) {
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ATA_DEBUG_RQ(request, "wait for completion");
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if (!dumping &&
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sema_timedwait(&request->done, request->timeout * hz * 4)) {
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device_printf(request->dev,
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"WARNING - %s taskqueue timeout "
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"- completing request directly\n",
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ata_cmd2str(request));
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request->flags |= ATA_R_DANGER1;
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ata_completed(request, 0);
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}
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sema_destroy(&request->done);
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}
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}
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int
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ata_controlcmd(device_t dev, u_int8_t command, u_int16_t feature,
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u_int64_t lba, u_int16_t count)
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{
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struct ata_device *atadev = device_get_softc(dev);
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struct ata_request *request = ata_alloc_request();
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int error = ENOMEM;
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if (request) {
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request->dev = dev;
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request->u.ata.command = command;
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request->u.ata.lba = lba;
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request->u.ata.count = count;
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request->u.ata.feature = feature;
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request->flags = ATA_R_CONTROL;
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if (atadev->spindown_state) {
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device_printf(dev, "request while spun down, starting.\n");
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atadev->spindown_state = 0;
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request->timeout = MAX(ATA_REQUEST_TIMEOUT, 31);
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} else {
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request->timeout = ATA_REQUEST_TIMEOUT;
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}
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request->retries = 0;
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ata_queue_request(request);
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error = request->result;
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ata_free_request(request);
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}
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return error;
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}
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int
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ata_atapicmd(device_t dev, u_int8_t *ccb, caddr_t data,
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int count, int flags, int timeout)
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{
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struct ata_request *request = ata_alloc_request();
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int error = ENOMEM;
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if (request) {
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request->dev = dev;
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bcopy(ccb, request->u.atapi.ccb, 16);
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request->data = data;
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request->bytecount = count;
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request->transfersize = min(request->bytecount, 65534);
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request->flags = flags | ATA_R_ATAPI;
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request->timeout = timeout;
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request->retries = 0;
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ata_queue_request(request);
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error = request->result;
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ata_free_request(request);
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}
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return error;
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}
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void
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ata_start(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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struct ata_request *request;
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struct ata_composite *cptr;
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int dependencies = 0;
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/* if we have a request on the queue try to get it running */
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mtx_lock(&ch->queue_mtx);
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if ((request = TAILQ_FIRST(&ch->ata_queue))) {
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/* we need the locking function to get the lock for this channel */
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if (ATA_LOCKING(dev, ATA_LF_LOCK) == ch->unit) {
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/* check for composite dependencies */
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if ((cptr = request->composite)) {
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mtx_lock(&cptr->lock);
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if ((request->flags & ATA_R_WRITE) &&
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(cptr->wr_depend & cptr->rd_done) != cptr->wr_depend) {
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dependencies = 1;
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}
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mtx_unlock(&cptr->lock);
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}
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/* check we are in the right state and has no dependencies */
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mtx_lock(&ch->state_mtx);
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if (ch->state == ATA_IDLE && !dependencies) {
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ATA_DEBUG_RQ(request, "starting");
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TAILQ_REMOVE(&ch->ata_queue, request, chain);
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ch->running = request;
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ch->state = ATA_ACTIVE;
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/* if we are the freezing point release it */
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if (ch->freezepoint == request)
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ch->freezepoint = NULL;
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if (ch->hw.begin_transaction(request) == ATA_OP_FINISHED) {
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ch->running = NULL;
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ch->state = ATA_IDLE;
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mtx_unlock(&ch->state_mtx);
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mtx_unlock(&ch->queue_mtx);
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ATA_LOCKING(dev, ATA_LF_UNLOCK);
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ata_finish(request);
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return;
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}
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}
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mtx_unlock(&ch->state_mtx);
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}
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}
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mtx_unlock(&ch->queue_mtx);
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if (dumping) {
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while (ch->running) {
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ata_interrupt(ch);
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DELAY(10);
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}
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}
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}
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void
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ata_finish(struct ata_request *request)
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{
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struct ata_channel *ch = device_get_softc(request->parent);
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/*
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* if in ATA_STALL_QUEUE state or request has ATA_R_DIRECT flags set
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* we need to call ata_complete() directly here (no taskqueue involvement)
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*/
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if (dumping ||
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(ch->state & ATA_STALL_QUEUE) || (request->flags & ATA_R_DIRECT)) {
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ATA_DEBUG_RQ(request, "finish directly");
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ata_completed(request, 0);
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}
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else {
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/* put request on the proper taskqueue for completion */
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if (request->bio && !(request->flags & (ATA_R_THREAD | ATA_R_TIMEOUT))){
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ATA_DEBUG_RQ(request, "finish bio_taskqueue");
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bio_taskqueue(request->bio, (bio_task_t *)ata_completed, request);
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}
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else {
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TASK_INIT(&request->task, 0, ata_completed, request);
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ATA_DEBUG_RQ(request, "finish taskqueue_swi");
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taskqueue_enqueue(taskqueue_swi, &request->task);
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}
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}
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}
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static void
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ata_completed(void *context, int dummy)
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{
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struct ata_request *request = (struct ata_request *)context;
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struct ata_channel *ch = device_get_softc(request->parent);
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struct ata_device *atadev = device_get_softc(request->dev);
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struct ata_composite *composite;
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if (request->flags & ATA_R_DANGER2) {
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device_printf(request->dev,
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"WARNING - %s freeing taskqueue zombie request\n",
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ata_cmd2str(request));
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request->flags &= ~(ATA_R_DANGER1 | ATA_R_DANGER2);
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ata_free_request(request);
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return;
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}
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if (request->flags & ATA_R_DANGER1)
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request->flags |= ATA_R_DANGER2;
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ATA_DEBUG_RQ(request, "completed entered");
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/* if we had a timeout, reinit channel and deal with the falldown */
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if (request->flags & ATA_R_TIMEOUT) {
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/*
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* if the channel is still present and
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* reinit succeeds and
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* the device doesn't get detached and
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* there are retries left we reinject this request
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*/
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if (ch && !ata_reinit(ch->dev) && !request->result &&
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(request->retries-- > 0)) {
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if (!(request->flags & ATA_R_QUIET)) {
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device_printf(request->dev,
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"TIMEOUT - %s retrying (%d retr%s left)",
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ata_cmd2str(request), request->retries,
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request->retries == 1 ? "y" : "ies");
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if (!(request->flags & (ATA_R_ATAPI | ATA_R_CONTROL)))
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printf(" LBA=%ju", request->u.ata.lba);
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printf("\n");
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}
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request->flags &= ~(ATA_R_TIMEOUT | ATA_R_DEBUG);
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request->flags |= (ATA_R_AT_HEAD | ATA_R_REQUEUE);
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ATA_DEBUG_RQ(request, "completed reinject");
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ata_queue_request(request);
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return;
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}
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/* ran out of good intentions so finish with error */
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if (!request->result) {
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if (!(request->flags & ATA_R_QUIET)) {
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if (request->dev) {
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device_printf(request->dev, "FAILURE - %s timed out",
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ata_cmd2str(request));
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if (!(request->flags & (ATA_R_ATAPI | ATA_R_CONTROL)))
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printf(" LBA=%ju", request->u.ata.lba);
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printf("\n");
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}
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}
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request->result = EIO;
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}
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}
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else if (!(request->flags & ATA_R_ATAPI) ){
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/* if this is a soft ECC error warn about it */
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/* XXX SOS we could do WARF here */
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if ((request->status & (ATA_S_CORR | ATA_S_ERROR)) == ATA_S_CORR) {
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device_printf(request->dev,
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"WARNING - %s soft error (ECC corrected)",
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ata_cmd2str(request));
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if (!(request->flags & (ATA_R_ATAPI | ATA_R_CONTROL)))
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printf(" LBA=%ju", request->u.ata.lba);
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printf("\n");
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}
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/* if this is a UDMA CRC error we reinject if there are retries left */
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if (request->flags & ATA_R_DMA && request->error & ATA_E_ICRC) {
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if (request->retries-- > 0) {
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device_printf(request->dev,
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"WARNING - %s UDMA ICRC error (retrying request)",
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ata_cmd2str(request));
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if (!(request->flags & (ATA_R_ATAPI | ATA_R_CONTROL)))
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printf(" LBA=%ju", request->u.ata.lba);
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printf("\n");
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request->flags |= (ATA_R_AT_HEAD | ATA_R_REQUEUE);
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ata_queue_request(request);
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return;
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}
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}
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}
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switch (request->flags & ATA_R_ATAPI) {
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/* ATA errors */
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default:
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if (!request->result && request->status & ATA_S_ERROR) {
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if (!(request->flags & ATA_R_QUIET)) {
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device_printf(request->dev,
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"FAILURE - %s status=%b error=%b",
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ata_cmd2str(request),
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request->status, "\20\10BUSY\7READY\6DMA_READY"
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"\5DSC\4DRQ\3CORRECTABLE\2INDEX\1ERROR",
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request->error, "\20\10ICRC\7UNCORRECTABLE"
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"\6MEDIA_CHANGED\5NID_NOT_FOUND"
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"\4MEDIA_CHANGE_REQEST"
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"\3ABORTED\2NO_MEDIA\1ILLEGAL_LENGTH");
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if ((request->flags & ATA_R_DMA) && request->dma &&
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(request->dma->status & ATA_BMSTAT_ERROR))
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printf(" dma=0x%02x", request->dma->status);
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if (!(request->flags & (ATA_R_ATAPI | ATA_R_CONTROL)))
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printf(" LBA=%ju", request->u.ata.lba);
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printf("\n");
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}
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request->result = EIO;
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}
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break;
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/* ATAPI errors */
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case ATA_R_ATAPI:
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/* skip if result already set */
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if (request->result)
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break;
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/* if we have a sensekey -> request sense from device */
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if ((request->error & ATA_E_ATAPI_SENSE_MASK) &&
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(request->u.atapi.ccb[0] != ATAPI_REQUEST_SENSE)) {
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static u_int8_t ccb[16] = { ATAPI_REQUEST_SENSE, 0, 0, 0,
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sizeof(struct atapi_sense),
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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request->u.atapi.saved_cmd = request->u.atapi.ccb[0];
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bcopy(ccb, request->u.atapi.ccb, 16);
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request->data = (caddr_t)&request->u.atapi.sense;
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request->bytecount = sizeof(struct atapi_sense);
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request->donecount = 0;
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request->transfersize = sizeof(struct atapi_sense);
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request->timeout = ATA_REQUEST_TIMEOUT;
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request->flags &= (ATA_R_ATAPI | ATA_R_QUIET | ATA_R_DEBUG);
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request->flags |= (ATA_R_READ | ATA_R_AT_HEAD | ATA_R_REQUEUE);
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ATA_DEBUG_RQ(request, "autoissue request sense");
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ata_queue_request(request);
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return;
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}
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switch (request->u.atapi.sense.key & ATA_SENSE_KEY_MASK) {
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case ATA_SENSE_RECOVERED_ERROR:
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device_printf(request->dev, "WARNING - %s recovered error\n",
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ata_cmd2str(request));
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/* FALLTHROUGH */
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case ATA_SENSE_NO_SENSE:
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request->result = 0;
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break;
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case ATA_SENSE_NOT_READY:
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request->result = EBUSY;
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break;
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case ATA_SENSE_UNIT_ATTENTION:
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atadev->flags |= ATA_D_MEDIA_CHANGED;
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request->result = EIO;
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break;
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default:
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request->result = EIO;
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if (request->flags & ATA_R_QUIET)
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break;
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device_printf(request->dev,
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"FAILURE - %s %s asc=0x%02x ascq=0x%02x ",
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ata_cmd2str(request), ata_skey2str(
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(request->u.atapi.sense.key & ATA_SENSE_KEY_MASK)),
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request->u.atapi.sense.asc,
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request->u.atapi.sense.ascq);
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if (request->u.atapi.sense.specific & ATA_SENSE_SPEC_VALID)
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printf("sks=0x%02x 0x%02x 0x%02x\n",
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request->u.atapi.sense.specific & ATA_SENSE_SPEC_MASK,
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request->u.atapi.sense.specific1,
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request->u.atapi.sense.specific2);
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else
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printf("\n");
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}
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if (!request->result &&
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(request->u.atapi.sense.key & ATA_SENSE_KEY_MASK ||
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request->error))
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request->result = EIO;
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}
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ATA_DEBUG_RQ(request, "completed callback/wakeup");
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/* if we are part of a composite operation we need to maintain progress */
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if ((composite = request->composite)) {
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int index = 0;
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mtx_lock(&composite->lock);
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/* update whats done */
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if (request->flags & ATA_R_READ)
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composite->rd_done |= (1 << request->this);
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if (request->flags & ATA_R_WRITE)
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composite->wr_done |= (1 << request->this);
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/* find ready to go dependencies */
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if (composite->wr_depend &&
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(composite->rd_done & composite->wr_depend)==composite->wr_depend &&
|
|
(composite->wr_needed & (~composite->wr_done))) {
|
|
index = composite->wr_needed & ~composite->wr_done;
|
|
}
|
|
|
|
mtx_unlock(&composite->lock);
|
|
|
|
/* if we have any ready candidates kick them off */
|
|
if (index) {
|
|
int bit;
|
|
|
|
for (bit = 0; bit < MAX_COMPOSITES; bit++) {
|
|
if (index & (1 << bit))
|
|
ata_start(device_get_parent(composite->request[bit]->dev));
|
|
}
|
|
}
|
|
}
|
|
|
|
/* get results back to the initiator for this request */
|
|
if (request->callback)
|
|
(request->callback)(request);
|
|
else
|
|
sema_post(&request->done);
|
|
|
|
/* only call ata_start if channel is present */
|
|
if (ch)
|
|
ata_start(ch->dev);
|
|
}
|
|
|
|
void
|
|
ata_timeout(struct ata_request *request)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(request->parent);
|
|
|
|
//request->flags |= ATA_R_DEBUG;
|
|
ATA_DEBUG_RQ(request, "timeout");
|
|
|
|
/*
|
|
* if we have an ATA_ACTIVE request running, we flag the request
|
|
* ATA_R_TIMEOUT so ata_finish will handle it correctly
|
|
* also NULL out the running request so we wont loose
|
|
* the race with an eventual interrupt arriving late
|
|
*/
|
|
if (ch->state == ATA_ACTIVE) {
|
|
request->flags |= ATA_R_TIMEOUT;
|
|
if (ch->dma.unload)
|
|
ch->dma.unload(request);
|
|
ch->running = NULL;
|
|
ch->state = ATA_IDLE;
|
|
#ifdef ATA_CAM
|
|
ata_cam_end_transaction(ch->dev, request);
|
|
#endif
|
|
mtx_unlock(&ch->state_mtx);
|
|
ATA_LOCKING(ch->dev, ATA_LF_UNLOCK);
|
|
#ifndef ATA_CAM
|
|
ata_finish(request);
|
|
#endif
|
|
}
|
|
else {
|
|
mtx_unlock(&ch->state_mtx);
|
|
}
|
|
}
|
|
|
|
void
|
|
ata_fail_requests(device_t dev)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(device_get_parent(dev));
|
|
struct ata_request *request, *tmp;
|
|
TAILQ_HEAD(, ata_request) fail_requests;
|
|
TAILQ_INIT(&fail_requests);
|
|
|
|
/* grap all channel locks to avoid races */
|
|
mtx_lock(&ch->queue_mtx);
|
|
mtx_lock(&ch->state_mtx);
|
|
|
|
/* do we have any running request to care about ? */
|
|
if ((request = ch->running) && (!dev || request->dev == dev)) {
|
|
callout_stop(&request->callout);
|
|
ch->running = NULL;
|
|
request->result = ENXIO;
|
|
TAILQ_INSERT_TAIL(&fail_requests, request, chain);
|
|
}
|
|
|
|
/* fail all requests queued on this channel for device dev if !NULL */
|
|
TAILQ_FOREACH_SAFE(request, &ch->ata_queue, chain, tmp) {
|
|
if (!dev || request->dev == dev) {
|
|
TAILQ_REMOVE(&ch->ata_queue, request, chain);
|
|
request->result = ENXIO;
|
|
TAILQ_INSERT_TAIL(&fail_requests, request, chain);
|
|
}
|
|
}
|
|
|
|
mtx_unlock(&ch->state_mtx);
|
|
mtx_unlock(&ch->queue_mtx);
|
|
|
|
/* finish up all requests collected above */
|
|
TAILQ_FOREACH_SAFE(request, &fail_requests, chain, tmp) {
|
|
TAILQ_REMOVE(&fail_requests, request, chain);
|
|
ata_finish(request);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Rudely drop all requests queued to the channel of specified device.
|
|
* XXX: The requests are leaked, use only in fatal case.
|
|
*/
|
|
void
|
|
ata_drop_requests(device_t dev)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(device_get_parent(dev));
|
|
struct ata_request *request, *tmp;
|
|
|
|
mtx_lock(&ch->queue_mtx);
|
|
TAILQ_FOREACH_SAFE(request, &ch->ata_queue, chain, tmp) {
|
|
TAILQ_REMOVE(&ch->ata_queue, request, chain);
|
|
request->result = ENXIO;
|
|
}
|
|
mtx_unlock(&ch->queue_mtx);
|
|
}
|
|
|
|
static u_int64_t
|
|
ata_get_lba(struct ata_request *request)
|
|
{
|
|
if (request->flags & ATA_R_ATAPI) {
|
|
switch (request->u.atapi.ccb[0]) {
|
|
case ATAPI_READ_BIG:
|
|
case ATAPI_WRITE_BIG:
|
|
case ATAPI_READ_CD:
|
|
return (request->u.atapi.ccb[5]) | (request->u.atapi.ccb[4]<<8) |
|
|
(request->u.atapi.ccb[3]<<16)|(request->u.atapi.ccb[2]<<24);
|
|
case ATAPI_READ:
|
|
case ATAPI_WRITE:
|
|
return (request->u.atapi.ccb[4]) | (request->u.atapi.ccb[3]<<8) |
|
|
(request->u.atapi.ccb[2]<<16);
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
else
|
|
return request->u.ata.lba;
|
|
}
|
|
|
|
static void
|
|
ata_sort_queue(struct ata_channel *ch, struct ata_request *request)
|
|
{
|
|
struct ata_request *this, *next;
|
|
|
|
this = TAILQ_FIRST(&ch->ata_queue);
|
|
|
|
/* if the queue is empty just insert */
|
|
if (!this) {
|
|
if (request->composite)
|
|
ch->freezepoint = request;
|
|
TAILQ_INSERT_TAIL(&ch->ata_queue, request, chain);
|
|
return;
|
|
}
|
|
|
|
/* dont sort frozen parts of the queue */
|
|
if (ch->freezepoint)
|
|
this = ch->freezepoint;
|
|
|
|
/* if position is less than head we add after tipping point */
|
|
if (ata_get_lba(request) < ata_get_lba(this)) {
|
|
while ((next = TAILQ_NEXT(this, chain))) {
|
|
|
|
/* have we reached the tipping point */
|
|
if (ata_get_lba(next) < ata_get_lba(this)) {
|
|
|
|
/* sort the insert */
|
|
do {
|
|
if (ata_get_lba(request) < ata_get_lba(next))
|
|
break;
|
|
this = next;
|
|
} while ((next = TAILQ_NEXT(this, chain)));
|
|
break;
|
|
}
|
|
this = next;
|
|
}
|
|
}
|
|
|
|
/* we are after head so sort the insert before tipping point */
|
|
else {
|
|
while ((next = TAILQ_NEXT(this, chain))) {
|
|
if (ata_get_lba(next) < ata_get_lba(this) ||
|
|
ata_get_lba(request) < ata_get_lba(next))
|
|
break;
|
|
this = next;
|
|
}
|
|
}
|
|
|
|
if (request->composite)
|
|
ch->freezepoint = request;
|
|
TAILQ_INSERT_AFTER(&ch->ata_queue, this, request, chain);
|
|
}
|
|
|
|
char *
|
|
ata_cmd2str(struct ata_request *request)
|
|
{
|
|
static char buffer[20];
|
|
|
|
if (request->flags & ATA_R_ATAPI) {
|
|
switch (request->u.atapi.sense.key ?
|
|
request->u.atapi.saved_cmd : request->u.atapi.ccb[0]) {
|
|
case 0x00: return ("TEST_UNIT_READY");
|
|
case 0x01: return ("REZERO");
|
|
case 0x03: return ("REQUEST_SENSE");
|
|
case 0x04: return ("FORMAT");
|
|
case 0x08: return ("READ");
|
|
case 0x0a: return ("WRITE");
|
|
case 0x10: return ("WEOF");
|
|
case 0x11: return ("SPACE");
|
|
case 0x12: return ("INQUIRY");
|
|
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 0x96: return ("SERVICE_ACTION_IN");
|
|
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");
|
|
}
|
|
}
|
|
else {
|
|
switch (request->u.ata.command) {
|
|
case 0x00: return ("NOP");
|
|
case 0x08: return ("DEVICE_RESET");
|
|
case 0x20: return ("READ");
|
|
case 0x24: return ("READ48");
|
|
case 0x25: return ("READ_DMA48");
|
|
case 0x26: return ("READ_DMA_QUEUED48");
|
|
case 0x27: return ("READ_NATIVE_MAX_ADDRESS48");
|
|
case 0x29: return ("READ_MUL48");
|
|
case 0x30: return ("WRITE");
|
|
case 0x34: return ("WRITE48");
|
|
case 0x35: return ("WRITE_DMA48");
|
|
case 0x36: return ("WRITE_DMA_QUEUED48");
|
|
case 0x37: return ("SET_MAX_ADDRESS48");
|
|
case 0x39: return ("WRITE_MUL48");
|
|
case 0x70: return ("SEEK");
|
|
case 0xa0: return ("PACKET_CMD");
|
|
case 0xa1: return ("ATAPI_IDENTIFY");
|
|
case 0xa2: return ("SERVICE");
|
|
case 0xb0: return ("SMART");
|
|
case 0xc0: return ("CFA ERASE");
|
|
case 0xc4: return ("READ_MUL");
|
|
case 0xc5: return ("WRITE_MUL");
|
|
case 0xc6: return ("SET_MULTI");
|
|
case 0xc7: return ("READ_DMA_QUEUED");
|
|
case 0xc8: return ("READ_DMA");
|
|
case 0xca: return ("WRITE_DMA");
|
|
case 0xcc: return ("WRITE_DMA_QUEUED");
|
|
case 0xe6: return ("SLEEP");
|
|
case 0xe7: return ("FLUSHCACHE");
|
|
case 0xea: return ("FLUSHCACHE48");
|
|
case 0xec: return ("ATA_IDENTIFY");
|
|
case 0xef:
|
|
switch (request->u.ata.feature) {
|
|
case 0x03: return ("SETFEATURES SET TRANSFER MODE");
|
|
case 0x02: return ("SETFEATURES ENABLE WCACHE");
|
|
case 0x82: return ("SETFEATURES DISABLE WCACHE");
|
|
case 0xaa: return ("SETFEATURES ENABLE RCACHE");
|
|
case 0x55: return ("SETFEATURES DISABLE RCACHE");
|
|
}
|
|
sprintf(buffer, "SETFEATURES 0x%02x", request->u.ata.feature);
|
|
return buffer;
|
|
case 0xf5: return ("SECURITY_FREE_LOCK");
|
|
case 0xf8: return ("READ_NATIVE_MAX_ADDRESS");
|
|
case 0xf9: return ("SET_MAX_ADDRESS");
|
|
}
|
|
}
|
|
sprintf(buffer, "unknown CMD (0x%02x)", request->u.ata.command);
|
|
return buffer;
|
|
}
|
|
|
|
static char *
|
|
ata_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");
|
|
}
|
|
}
|