diff options
Diffstat (limited to 'sys/dev/ata/atapi-all.c')
| -rw-r--r-- | sys/dev/ata/atapi-all.c | 720 |
1 files changed, 720 insertions, 0 deletions
diff --git a/sys/dev/ata/atapi-all.c b/sys/dev/ata/atapi-all.c new file mode 100644 index 0000000..56e124b --- /dev/null +++ b/sys/dev/ata/atapi-all.c @@ -0,0 +1,720 @@ +/*- + * Copyright (c) 1998,1999,2000,2001,2002 Søren Schmidt <sos@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer, + * without modification, immediately at the beginning of the file. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include "opt_ata.h" +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/ata.h> +#include <sys/kernel.h> +#include <sys/bus.h> +#include <sys/malloc.h> +#include <sys/bio.h> +#include <sys/sysctl.h> +#include <machine/bus.h> +#include <sys/rman.h> +#include <dev/ata/ata-all.h> +#include <dev/ata/atapi-all.h> + +/* prototypes */ +static void atapi_read(struct atapi_request *, int); +static void atapi_write(struct atapi_request *, int); +static void atapi_finish(struct atapi_request *); +static void atapi_timeout(struct atapi_request *); +static char *atapi_cmd2str(u_int8_t); +static char *atapi_skey2str(u_int8_t); + +/* misc defines */ +#define ATAPI_MAX_RETRIES 3 + +/* internal vars */ +static int atapi_dma = 0; +TUNABLE_INT("hw.ata.atapi_dma", &atapi_dma); +static MALLOC_DEFINE(M_ATAPI, "ATAPI generic", "ATAPI driver generic layer"); + +/* systcl vars */ +SYSCTL_DECL(_hw_ata); +SYSCTL_INT(_hw_ata, OID_AUTO, atapi_dma, CTLFLAG_RD, &atapi_dma, 0, + "ATAPI device DMA mode control"); + +void +atapi_attach(struct ata_device *atadev) +{ + if (bootverbose) + ata_prtdev(atadev, "piomode=%d dmamode=%d udmamode=%d dmaflag=%d\n", + ata_pmode(atadev->param), ata_wmode(atadev->param), + ata_umode(atadev->param), atadev->param->support_dma); + + ATA_SLEEPLOCK_CH(atadev->channel, ATA_CONTROL); + if (atapi_dma && !(atadev->param->drq_type == ATAPI_DRQT_INTR)) { + 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); + ATA_UNLOCK_CH(atadev->channel); + + if (!(atadev->result = malloc(sizeof(struct atapi_reqsense), M_ATAPI, + M_NOWAIT | M_ZERO))) + ata_prtdev(atadev, "no memory for sense data\n"); + + switch (atadev->param->type) { +#ifdef DEV_ATAPICD + case ATAPI_TYPE_CDROM: + if (acdattach(atadev)) + return; + break; +#endif +#ifdef DEV_ATAPIFD + case ATAPI_TYPE_DIRECT: + if (afdattach(atadev)) + return; + break; +#endif +#ifdef DEV_ATAPIST + case ATAPI_TYPE_TAPE: + if (astattach(atadev)) + return; + break; +#endif + } +#ifndef DEV_ATAPICAM + ata_prtdev(atadev, "<%.40s/%.8s> - NO DRIVER!\n", + atadev->param->model, atadev->param->revision); + free(atadev->result, M_ATAPI); + atadev->driver = NULL; +#endif +} + +void +atapi_detach(struct ata_device *atadev) +{ + struct atapi_request *request; + + atadev->flags |= ATA_D_DETACHING; + ata_prtdev(atadev, "removed from configuration\n"); + switch (atadev->param->type) { +#ifdef DEV_ATAPICD + case ATAPI_TYPE_CDROM: + acddetach(atadev); + break; +#endif +#ifdef DEV_ATAPIFD + case ATAPI_TYPE_DIRECT: + afddetach(atadev); + break; +#endif +#ifdef DEV_ATAPIST + case ATAPI_TYPE_TAPE: + astdetach(atadev); + break; +#endif + default: + return; + } + TAILQ_FOREACH(request, &atadev->channel->atapi_queue, chain) { + if (request->device != atadev) + continue; + TAILQ_REMOVE(&atadev->channel->atapi_queue, request, chain); + if (request->driver) { + struct bio *bp = (struct bio *) request->driver; + biofinish(bp, NULL, ENXIO); + } + free(request, M_ATAPI); + } + ata_dmafree(atadev); + free(atadev->result, M_ATAPI); + atadev->driver = NULL; + atadev->flags = 0; + +} + +int +atapi_queue_cmd(struct ata_device *atadev, int8_t *ccb, caddr_t data, + int count, int flags, int timeout, + atapi_callback_t callback, void *driver) +{ + struct atapi_request *request; + int error, s; + + if (!(request = malloc(sizeof(struct atapi_request), M_ATAPI, + M_NOWAIT | M_ZERO))) + return ENOMEM; + + request->device = atadev; + request->data = data; + request->bytecount = count; + request->flags = flags; + request->error = EINPROGRESS; + request->timeout = timeout * hz; + request->ccbsize = atadev->param->packet_size ? 16 : 12; + bcopy(ccb, request->ccb, request->ccbsize); + if (callback) { + request->callback = callback; + request->driver = driver; + } + if (atadev->mode >= ATA_DMA) { + if (ata_dmaalloc(atadev)) + atadev->mode = ATA_PIO; + } + +#ifdef ATAPI_DEBUG + ata_prtdev(atadev, "queueing %s ", atapi_cmd2str(request->ccb[0])); + atapi_dump("ccb = ", &request->ccb[0], sizeof(request->ccb)); +#endif + /* append onto controller queue and try to start controller */ + s = splbio(); + if (flags & ATPR_F_AT_HEAD) + TAILQ_INSERT_HEAD(&atadev->channel->atapi_queue, request, chain); + else + TAILQ_INSERT_TAIL(&atadev->channel->atapi_queue, request, chain); + ata_start(atadev->channel); + + /* if callback used, then just return, gets called from interrupt context */ + if (callback) { + splx(s); + return 0; + } + + /* only sleep when command is in progress */ + if (request->error == EINPROGRESS) + tsleep((caddr_t)request, PRIBIO, "atprq", 0); + splx(s); + error = request->error; + if (error) + bcopy(&request->sense, atadev->result, sizeof(struct atapi_reqsense)); + free(request, M_ATAPI); + return error; +} + +void +atapi_start(struct ata_device *atadev) +{ + switch (atadev->param->type) { +#ifdef DEV_ATAPICD + case ATAPI_TYPE_CDROM: + acd_start(atadev); + break; +#endif +#ifdef DEV_ATAPIFD + case ATAPI_TYPE_DIRECT: + afd_start(atadev); + break; +#endif +#ifdef DEV_ATAPIST + case ATAPI_TYPE_TAPE: + ast_start(atadev); + break; +#endif + default: + return; + } +} + +int +atapi_transfer(struct atapi_request *request) +{ + struct ata_device *atadev = request->device; + int timout; + u_int8_t reason; + +#ifdef ATAPI_DEBUG + ata_prtdev(atadev, "starting %s ", atapi_cmd2str(request->ccb[0])); + atapi_dump("ccb = ", &request->ccb[0], sizeof(request->ccb)); +#endif + /* is this just a POLL DSC command ? */ + if (request->ccb[0] == ATAPI_POLL_DSC) { + ATA_OUTB(atadev->channel->r_io, ATA_DRIVE, ATA_D_IBM | atadev->unit); + DELAY(10); + if (ATA_INB(atadev->channel->r_altio, ATA_ALTSTAT) & ATA_S_DSC) + request->error = 0; + else + request->error = EBUSY; + atapi_finish(request); + return ATA_OP_FINISHED; + } + + /* start timeout for this command */ + request->timeout_handle = timeout((timeout_t *)atapi_timeout, + request, request->timeout); + + if (!(request->flags & ATPR_F_INTERNAL)) + atadev->cmd = request->ccb[0]; + + /* if DMA enabled setup DMA hardware */ + request->flags &= ~ATPR_F_DMA_USED; + if ((atadev->mode >= ATA_DMA) && + (request->ccb[0] == ATAPI_READ || + request->ccb[0] == ATAPI_READ_BIG || + request->ccb[0] == ATAPI_READ_CD || + ((request->ccb[0] == ATAPI_WRITE || + request->ccb[0] == ATAPI_WRITE_BIG) && + !(atadev->channel->flags & ATA_ATAPI_DMA_RO))) && + !ata_dmasetup(atadev, (void *)request->data, request->bytecount)) { + request->flags |= ATPR_F_DMA_USED; + } + + /* start ATAPI operation */ + if (ata_command(atadev, ATA_C_PACKET_CMD, + min(request->bytecount, 65534) << 8, 0, + (request->flags & ATPR_F_DMA_USED) ? ATA_F_DMA : 0, + ATA_IMMEDIATE)) + ata_prtdev(atadev, "failure to send ATAPI packet command\n"); + + if (request->flags & ATPR_F_DMA_USED) + ata_dmastart(atadev, request->data, request->bytecount, + request->flags & ATPR_F_READ); + + /* command interrupt device ? just return */ + if (atadev->param->drq_type == ATAPI_DRQT_INTR) + return ATA_OP_CONTINUES; + + /* ready to write ATAPI command */ + timout = 5000; /* might be less for fast devices */ + while (timout--) { + reason = ATA_INB(atadev->channel->r_io, ATA_IREASON); + atadev->channel->status = ATA_INB(atadev->channel->r_io, ATA_STATUS); + if (((reason & (ATA_I_CMD | ATA_I_IN)) | + (atadev->channel->status&(ATA_S_DRQ|ATA_S_BUSY)))==ATAPI_P_CMDOUT) + break; + DELAY(20); + } + if (timout <= 0) { + ata_prtdev(atadev, "failure to execute ATAPI packet command\n"); + untimeout((timeout_t *)atapi_timeout, request, request->timeout_handle); + request->error = EIO; + atapi_finish(request); + return ATA_OP_FINISHED; + } + + /* this seems to be needed for some (slow) devices */ + DELAY(10); + + /* send actual command */ + ATA_OUTSW_STRM(atadev->channel->r_io, ATA_DATA, (int16_t *)request->ccb, + request->ccbsize / sizeof(int16_t)); + return ATA_OP_CONTINUES; +} + +int +atapi_interrupt(struct atapi_request *request) +{ + struct ata_device *atadev = request->device; + int reason, dma_stat = 0; + + reason = (ATA_INB(atadev->channel->r_io, ATA_IREASON)&(ATA_I_CMD|ATA_I_IN))| + (atadev->channel->status & ATA_S_DRQ); + + if (reason == ATAPI_P_CMDOUT) { + if (!(atadev->channel->status & ATA_S_DRQ)) { + ata_prtdev(atadev, "command interrupt without DRQ\n"); + untimeout((timeout_t *)atapi_timeout, + request, request->timeout_handle); + request->error = EIO; + atapi_finish(request); + return ATA_OP_FINISHED; + } + ATA_OUTSW_STRM(atadev->channel->r_io, ATA_DATA, (int16_t *)request->ccb, + request->ccbsize / sizeof(int16_t)); + return ATA_OP_CONTINUES; + } + + if (request->flags & ATPR_F_DMA_USED) { + dma_stat = ata_dmadone(atadev); + if ((atadev->channel->status & (ATA_S_ERROR | ATA_S_DWF)) || + dma_stat & ATA_BMSTAT_ERROR) { + request->result = ATA_INB(atadev->channel->r_io, ATA_ERROR); + } + else { + request->result = 0; + request->donecount = request->bytecount; + request->bytecount = 0; + } + } + else { + int length = ATA_INB(atadev->channel->r_io, ATA_CYL_LSB) | + ATA_INB(atadev->channel->r_io, ATA_CYL_MSB) << 8; + + switch (reason) { + case ATAPI_P_WRITE: + if (request->flags & ATPR_F_READ) { + request->result = ATA_INB(atadev->channel->r_io, ATA_ERROR); + ata_prtdev(atadev, "%s trying to write on read buffer\n", + atapi_cmd2str(atadev->cmd)); + break; + } + atapi_write(request, length); + return ATA_OP_CONTINUES; + + case ATAPI_P_READ: + if (!(request->flags & ATPR_F_READ)) { + request->result = ATA_INB(atadev->channel->r_io, ATA_ERROR); + ata_prtdev(atadev, "%s trying to read on write buffer\n", + atapi_cmd2str(atadev->cmd)); + break; + } + atapi_read(request, length); + return ATA_OP_CONTINUES; + + case ATAPI_P_DONEDRQ: + ata_prtdev(atadev, "%s DONEDRQ\n", atapi_cmd2str(atadev->cmd)); + if (request->flags & ATPR_F_READ) + atapi_read(request, length); + else + atapi_write(request, length); + /* FALLTHROUGH */ + + case ATAPI_P_ABORT: + case ATAPI_P_DONE: + if (atadev->channel->status & (ATA_S_ERROR | ATA_S_DWF)) + request->result = ATA_INB(atadev->channel->r_io, ATA_ERROR); + else + if (!(request->flags & ATPR_F_INTERNAL)) + request->result = 0; + break; + + default: + ata_prtdev(atadev, "unknown transfer phase %d\n", reason); + } + } + untimeout((timeout_t *)atapi_timeout, request, request->timeout_handle); + + /* check for error, if valid sense key, queue a request sense cmd */ + if ((request->result & ATAPI_SK_MASK) && + request->ccb[0] != ATAPI_REQUEST_SENSE) { + bzero(request->ccb, request->ccbsize); + request->ccb[0] = ATAPI_REQUEST_SENSE; + request->ccb[4] = sizeof(struct atapi_reqsense); + request->bytecount = sizeof(struct atapi_reqsense); + request->flags &= ATPR_F_QUIET; + request->flags |= ATPR_F_READ | ATPR_F_INTERNAL; + TAILQ_INSERT_HEAD(&atadev->channel->atapi_queue, request, chain); + } + else { + if (request->result) { + switch ((request->result & ATAPI_SK_MASK)) { + case ATAPI_SK_NO_SENSE: + request->error = 0; + break; + + case ATAPI_SK_RECOVERED_ERROR: + ata_prtdev(atadev, "%s - recovered error\n", + atapi_cmd2str(atadev->cmd)); + request->error = 0; + break; + + case ATAPI_SK_NOT_READY: + request->error = EBUSY; + break; + + case ATAPI_SK_UNIT_ATTENTION: + atadev->flags |= ATA_D_MEDIA_CHANGED; + request->error = EIO; + break; + + default: + request->error = EIO; + + if (request->flags & ATPR_F_QUIET) + break; + + ata_prtdev(atadev, "%s - %s asc=0x%02x ascq=0x%02x ", + atapi_cmd2str(atadev->cmd), + atapi_skey2str(request->sense.sense_key), + request->sense.asc, request->sense.ascq); + if (request->sense.sksv) + printf("sks=0x%02x 0x%02x 0x%02x ", + request->sense.sk_specific, + request->sense.sk_specific1, + request->sense.sk_specific2); + printf("error=0x%02x\n", request->result & ATAPI_E_MASK); + } + } + else + request->error = 0; + atapi_finish(request); + } + return ATA_OP_FINISHED; +} + +void +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_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[20]; + 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"); + } +} |
