/*- * Copyright (c) 1998,1999,2000 Søren Schmidt * 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 "atapicd.h" #include "atapist.h" #include "atapifd.h" #include "opt_global.h" #include "opt_ata.h" #include #include #include #include #include #include #include #include /* prototypes */ static void atapi_read(struct atapi_request *, int); static void atapi_write(struct atapi_request *, int); static void atapi_timeout(struct atapi_request *request); static char *atapi_type(int); static char *atapi_cmd2str(u_int8_t); static char *atapi_skey2str(u_int8_t); /* internal vars */ static MALLOC_DEFINE(M_ATAPI, "ATAPI generic", "ATAPI driver generic layer"); /* defines */ #define ATAPI_MAX_RETRIES 3 #define ATP_PARAM ATA_PARAM(atp->controller, atp->unit) void atapi_attach(struct ata_softc *scp, int device) { struct atapi_softc *atp; if (!(atp = malloc(sizeof(struct atapi_softc), M_ATAPI, M_NOWAIT|M_ZERO))) { ata_printf(scp, device, "failed to allocate driver storage\n"); return; } atp->controller = scp; atp->unit = device; if (bootverbose) ata_printf(scp, device, "piomode=%d dmamode=%d udmamode=%d dmaflag=%d\n", ata_pmode(ATP_PARAM), ata_wmode(ATP_PARAM), ata_umode(ATP_PARAM), ATP_PARAM->dmaflag); #ifdef ATA_ENABLE_ATAPI_DMA if (!(ATP_PARAM->drqtype == ATAPI_DRQT_INTR)) { ata_dmainit(atp->controller, atp->unit, (ata_pmode(ATP_PARAM) < 0) ? (ATP_PARAM->dmaflag ? 4 : 0) : ata_pmode(ATP_PARAM), (ata_wmode(ATP_PARAM) < 0) ? (ATP_PARAM->dmaflag ? 2 : 0) : ata_wmode(ATP_PARAM), ata_umode(ATP_PARAM)); } else #endif /* set PIO mode */ ata_dmainit(atp->controller, atp->unit, ata_pmode(ATP_PARAM)<0 ? 0 : ata_pmode(ATP_PARAM), -1, -1); switch (ATP_PARAM->device_type) { #if NATAPICD > 0 case ATAPI_TYPE_CDROM: if (acdattach(atp)) goto notfound; break; #endif #if NATAPIFD > 0 case ATAPI_TYPE_DIRECT: if (afdattach(atp)) goto notfound; break; #endif #if NATAPIST > 0 case ATAPI_TYPE_TAPE: if (astattach(atp)) goto notfound; break; #endif notfound: default: ata_printf(scp, device, "<%.40s/%.8s> %s device - NO DRIVER!\n", ATP_PARAM->model, ATP_PARAM->revision, atapi_type(ATP_PARAM->device_type)); free(atp, M_ATAPI); atp = NULL; } /* store our softc */ scp->dev_softc[ATA_DEV(device)] = atp; } void atapi_detach(struct atapi_softc *atp) { switch (ATP_PARAM->device_type) { #if NATAPICD > 0 case ATAPI_TYPE_CDROM: acddetach(atp); break; #endif #if NATAPIFD > 0 case ATAPI_TYPE_DIRECT: afddetach(atp); break; #endif #if NATAPIST > 0 case ATAPI_TYPE_TAPE: astdetach(atp); break; #endif default: return; } free(atp, M_ATAPI); } int atapi_queue_cmd(struct atapi_softc *atp, 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 = atp; request->data = data; request->bytecount = count; request->flags = flags; request->timeout = timeout * hz; request->ccbsize = (ATP_PARAM->cmdsize) ? 16 : 12; bcopy(ccb, request->ccb, request->ccbsize); if (callback) { request->callback = callback; request->driver = driver; } if (atp->controller->mode[ATA_DEV(atp->unit)] >= ATA_DMA) { if (!(request->dmatab = ata_dmaalloc(atp->controller, atp->unit))) atp->controller->mode[ATA_DEV(atp->unit)] = ATA_PIO; } s = splbio(); /* if not using callbacks, prepare to sleep for this request */ if (!callback) asleep((caddr_t)request, PRIBIO, "atprq", 0); /* append onto controller queue and try to start controller */ #ifdef ATAPI_DEBUG printf("%s: queueing %s ", request->device->devname, atapi_cmd2str(request->ccb[0])); atapi_dump("ccb = ", &request->ccb[0], sizeof(request->ccb)); #endif if (flags & ATPR_F_AT_HEAD) TAILQ_INSERT_HEAD(&atp->controller->atapi_queue, request, chain); else TAILQ_INSERT_TAIL(&atp->controller->atapi_queue, request, chain); ata_start(atp->controller); /* if callback used, then just return, gets called from interrupt context */ if (callback) { splx(s); return 0; } /* wait for request to complete */ await(PRIBIO, 0); splx(s); error = request->error; #ifdef ATAPI_DEBUG printf("%s: finished %s\n", request->device->devname, atapi_cmd2str(request->ccb[0])); #endif if (request->dmatab) free(request->dmatab, M_DEVBUF); free(request, M_ATAPI); return error; } void atapi_start(struct atapi_softc *atp) { switch (ATP_PARAM->device_type) { #if NATAPICD > 0 case ATAPI_TYPE_CDROM: acd_start(atp); break; #endif #if NATAPIFD > 0 case ATAPI_TYPE_DIRECT: afd_start(atp); break; #endif #if NATAPIST > 0 case ATAPI_TYPE_TAPE: ast_start(atp); break; #endif default: return; } } void atapi_transfer(struct atapi_request *request) { struct atapi_softc *atp = request->device; int timout; u_int8_t reason; #ifdef ATAPI_DEBUG printf("%s: starting %s ", request->device->devname, 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) { outb(atp->controller->ioaddr + ATA_DRIVE, ATA_D_IBM | atp->unit); DELAY(10); if (inb(atp->controller->altioaddr) & ATA_S_DSC) request->error = 0; else request->error = EBUSY; if (request->callback) { if (!((request->callback)(request))) { if (request->dmatab) free(request->dmatab, M_DEVBUF); free(request, M_ATAPI); } } else wakeup((caddr_t)request); atp->controller->active = ATA_IDLE; /* should go in ata-all.c */ return; } /* start timeout for this command */ request->timeout_handle = timeout((timeout_t *)atapi_timeout, request, request->timeout); if (!(request->flags & ATPR_F_INTERNAL)) atp->cmd = request->ccb[0]; /* if DMA enabled setup DMA hardware */ request->flags &= ~ATPR_F_DMA_USED; if ((atp->controller->mode[ATA_DEV(atp->unit)] >= ATA_DMA) && (request->ccb[0] == ATAPI_READ || request->ccb[0] == ATAPI_READ_BIG || ((request->ccb[0] == ATAPI_WRITE || request->ccb[0] == ATAPI_WRITE_BIG) && !(atp->controller->flags & ATA_ATAPI_DMA_RO))) && !ata_dmasetup(atp->controller, atp->unit, request->dmatab, (void *)request->data, request->bytecount)) { request->flags |= ATPR_F_DMA_USED; } /* start ATAPI operation */ if (ata_command(atp->controller, atp->unit, ATA_C_PACKET_CMD, request->bytecount, 0, 0, 0, (request->flags & ATPR_F_DMA_USED) ? ATA_F_DMA : 0, ATA_IMMEDIATE)) printf("%s: failure to send ATAPI packet command\n", atp->devname); if (request->flags & ATPR_F_DMA_USED) ata_dmastart(atp->controller, atp->unit, request->dmatab, request->flags & ATPR_F_READ); /* command interrupt device ? just return */ if (ATP_PARAM->drqtype == ATAPI_DRQT_INTR) return; /* ready to write ATAPI command */ timout = 5000; /* might be less for fast devices */ while (timout--) { reason = inb(atp->controller->ioaddr + ATA_IREASON); atp->controller->status = inb(atp->controller->ioaddr + ATA_STATUS); if (((reason & (ATA_I_CMD | ATA_I_IN)) | (atp->controller->status&(ATA_S_DRQ|ATA_S_BUSY)))==ATAPI_P_CMDOUT) break; DELAY(20); } if (timout <= 0) { request->result = inb(atp->controller->ioaddr + ATA_ERROR); printf("%s: failure to execute ATAPI packet command\n", atp->devname); return; } /* this seems to be needed for some (slow) devices */ DELAY(10); /* send actual command */ outsw(atp->controller->ioaddr + ATA_DATA, request->ccb, request->ccbsize / sizeof(int16_t)); } int atapi_interrupt(struct atapi_request *request) { struct atapi_softc *atp = request->device; int reason, dma_stat = 0; reason = (inb(atp->controller->ioaddr+ATA_IREASON) & (ATA_I_CMD|ATA_I_IN)) | (atp->controller->status & ATA_S_DRQ); if (reason == ATAPI_P_CMDOUT) { if (!(atp->controller->status & ATA_S_DRQ)) { request->result = inb(atp->controller->ioaddr + ATA_ERROR); printf("%s: command interrupt without DRQ\n", atp->devname); goto op_finished; } outsw(atp->controller->ioaddr + ATA_DATA, request->ccb, request->ccbsize / sizeof(int16_t)); return ATA_OP_CONTINUES; } if (request->flags & ATPR_F_DMA_USED) { dma_stat = ata_dmadone(atp->controller); if ((atp->controller->status & (ATA_S_ERROR | ATA_S_DWF)) || dma_stat & ATA_BMSTAT_ERROR) { request->result = inb(atp->controller->ioaddr + ATA_ERROR); } else { request->result = 0; request->donecount = request->bytecount; request->bytecount = 0; } } else { int length = inb(atp->controller->ioaddr + ATA_CYL_LSB) | inb(atp->controller->ioaddr + ATA_CYL_MSB) << 8; switch (reason) { case ATAPI_P_WRITE: if (request->flags & ATPR_F_READ) { request->result = inb(atp->controller->ioaddr + ATA_ERROR); printf("%s: %s trying to write on read buffer\n", atp->devname, atapi_cmd2str(atp->cmd)); break; } atapi_write(request, length); return ATA_OP_CONTINUES; case ATAPI_P_READ: if (!(request->flags & ATPR_F_READ)) { request->result = inb(atp->controller->ioaddr + ATA_ERROR); printf("%s: %s trying to read on write buffer\n", atp->devname, atapi_cmd2str(atp->cmd)); break; } atapi_read(request, length); return ATA_OP_CONTINUES; case ATAPI_P_DONEDRQ: printf("%s: %s DONEDRQ\n", atp->devname, atapi_cmd2str(atp->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 (atp->controller->status & (ATA_S_ERROR | ATA_S_DWF)) request->result = inb(atp->controller->ioaddr + ATA_ERROR); else if (!(request->flags & ATPR_F_INTERNAL)) request->result = 0; break; default: printf("%s: unknown transfer phase %d\n", atp->devname, reason); } } op_finished: 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_READ | ATPR_F_INTERNAL; TAILQ_INSERT_HEAD(&atp->controller->atapi_queue, request, chain); } else { if (request->result) { switch ((request->result & ATAPI_SK_MASK)) { case ATAPI_SK_RESERVED: printf("%s: %s - timeout error = %02x\n", atp->devname, atapi_cmd2str(atp->cmd), request->result & ATAPI_E_MASK); request->error = EIO; break; case ATAPI_SK_NO_SENSE: request->error = 0; break; case ATAPI_SK_RECOVERED_ERROR: printf("%s: %s - recovered error\n", atp->devname, atapi_cmd2str(atp->cmd)); request->error = 0; break; case ATAPI_SK_NOT_READY: request->error = EBUSY; break; case ATAPI_SK_UNIT_ATTENTION: atp->flags |= ATAPI_F_MEDIA_CHANGED; request->error = EIO; break; default: printf("%s: %s - %s asc=%02x ascq=%02x error=%02x\n", atp->devname, atapi_cmd2str(atp->cmd), atapi_skey2str(request->sense.sense_key), request->sense.asc, request->sense.ascq, request->result & ATAPI_E_MASK); request->error = EIO; } } else request->error = 0; if (request->callback) { #ifdef ATAPI_DEBUG printf("%s: finished %s (callback)\n", request->device->devname, atapi_cmd2str(request->ccb[0])); #endif if (!((request->callback)(request))) { if (request->dmatab) free(request->dmatab, M_DEVBUF); free(request, M_ATAPI); } } else wakeup((caddr_t)request); } return ATA_OP_FINISHED; } void atapi_reinit(struct atapi_softc *atp) { /* reinit device parameters */ if (atp->controller->mode[ATA_DEV(atp->unit)] >= ATA_DMA) ata_dmainit(atp->controller, atp->unit, (ata_pmode(ATP_PARAM) < 0) ? (ATP_PARAM->dmaflag ? 4 : 0) : ata_pmode(ATP_PARAM), (ata_wmode(ATP_PARAM) < 0) ? (ATP_PARAM->dmaflag ? 2 : 0) : ata_wmode(ATP_PARAM), ata_umode(ATP_PARAM)); else ata_dmainit(atp->controller, atp->unit, ata_pmode(ATP_PARAM)<0 ? 0 : ata_pmode(ATP_PARAM), -1, -1); } int atapi_test_ready(struct atapi_softc *atp) { 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(atp, ccb, NULL, 0, 0, 30, NULL, NULL); } int atapi_wait_ready(struct atapi_softc *atp, 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(atp, 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); int resid; if (request->flags & ATPR_F_INTERNAL) *buffer = (int8_t *)&request->sense; if (request->device->controller->flags & ATA_USE_16BIT || (size % sizeof(int32_t))) insw(request->device->controller->ioaddr + ATA_DATA, (void *)((uintptr_t)*buffer), size / sizeof(int16_t)); else insl(request->device->controller->ioaddr + ATA_DATA, (void *)((uintptr_t)*buffer), size / sizeof(int32_t)); if (request->bytecount < length) { printf("%s: read data overrun %d/%d\n", request->device->devname, length, request->bytecount); for (resid=request->bytecount; residdevice->controller->ioaddr + 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); int resid; if (request->flags & ATPR_F_INTERNAL) *buffer = (int8_t *)&request->sense; if (request->device->controller->flags & ATA_USE_16BIT || (size % sizeof(int32_t))) outsw(request->device->controller->ioaddr + ATA_DATA, (void *)((uintptr_t)*buffer), size / sizeof(int16_t)); else outsl(request->device->controller->ioaddr + ATA_DATA, (void *)((uintptr_t)*buffer), size / sizeof(int32_t)); if (request->bytecount < length) { printf("%s: write data underrun %d/%d\n", request->device->devname, length, request->bytecount); for (resid=request->bytecount; residdevice->controller->ioaddr + ATA_DATA, 0); } *buffer += size; request->bytecount -= size; request->donecount += size; } static void atapi_timeout(struct atapi_request *request) { struct atapi_softc *atp = request->device; int s = splbio(); atp->controller->running = NULL; printf("%s: %s command timeout - resetting\n", atp->devname, atapi_cmd2str(request->ccb[0])); if (request->flags & ATPR_F_DMA_USED) { ata_dmadone(atp->controller); if (request->retries == ATAPI_MAX_RETRIES) { ata_dmainit(atp->controller, atp->unit, (ata_pmode(ATP_PARAM)<0)?0:ata_pmode(ATP_PARAM),-1,-1); printf("%s: trying fallback to PIO mode\n", atp->devname); request->retries = 0; } } /* if retries still permit, reinject this request */ if (request->retries++ < ATAPI_MAX_RETRIES) TAILQ_INSERT_HEAD(&atp->controller->atapi_queue, request, chain); else { /* retries all used up, return error */ request->result = ATAPI_SK_RESERVED | ATAPI_E_ABRT; wakeup((caddr_t)request); } ata_reinit(atp->controller); splx(s); } static 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 ("REWIND"); case 0x03: return ("REQUEST_SENSE"); case 0x04: return ("FORMAT_UNIT"); case 0x08: return ("READ"); case 0x0a: return ("WRITE"); case 0x10: return ("WEOF"); case 0x11: return ("SPACE"); case 0x15: return ("MODE_SELECT"); case 0x19: return ("ERASE"); case 0x1a: return ("MODE_SENSE"); case 0x1b: return ("START_STOP"); case 0x1e: return ("PREVENT_ALLOW"); case 0x25: return ("READ_CAPACITY"); case 0x28: return ("READ_BIG"); case 0x2a: return ("WRITE_BIG"); case 0x2b: return ("LOCATE"); case 0x34: return ("READ_POSITION"); case 0x35: return ("SYNCHRONIZE_CACHE"); case 0x3b: return ("WRITE_BUFFER"); case 0x3c: return ("READ_BUFFER"); case 0x42: return ("READ_SUBCHANNEL"); case 0x43: return ("READ_TOC"); case 0x47: return ("PLAY_MSF"); case 0x48: return ("PLAY_TRACK"); case 0x4b: return ("PAUSE"); case 0x51: return ("READ_DISK_INFO"); case 0x52: return ("READ_TRACK_INFO"); case 0x53: return ("RESERVE_TRACK"); case 0x54: return ("SEND_OPC_INFO"); case 0x55: return ("MODE_SELECT_BIG"); case 0x58: return ("REPAIR_TRACK"); case 0x59: return ("READ_MASTER_CUE"); case 0x5a: return ("MODE_SENSE_BIG"); case 0x5b: return ("CLOSE_TRACK/SESSION"); case 0x5c: return ("READ_BUFFER_CAPACITY"); case 0x5d: return ("SEND_CUE_SHEET"); case 0xa1: return ("BLANK_CMD"); case 0xa3: return ("SEND_KEY"); case 0xa4: return ("REPORT_KEY"); case 0xa5: return ("PLAY_BIG"); case 0xa6: return ("LOAD_UNLOAD"); case 0xad: return ("READ_DVD_STRUCTURE"); case 0xb4: return ("PLAY_CD"); case 0xbb: return ("SET_SPEED"); case 0xbd: return ("MECH_STATUS"); case 0xbe: return ("READ_CD"); 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"); } }