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freebsd-nq/sys/i386/isa/atapi-cd.c
Søren Schmidt b31d9a1d23 The DEVFS case was screwed by my last commit here..
1999-03-31 12:30:58 +00:00

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/*-
* Copyright (c) 1998, 1999 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.
*
* $Id: atapi-cd.c,v 1.12 1999/03/16 13:34:03 sos Exp $
*/
#include "wdc.h"
#include "wcd.h"
#include "opt_atapi.h"
#include "opt_devfs.h"
#if NWCD > 0 && NWDC > 0 && defined(ATAPI)
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/malloc.h>
#include <sys/buf.h>
#include <sys/disklabel.h>
#include <sys/devicestat.h>
#include <sys/cdio.h>
#include <sys/wormio.h>
#include <sys/fcntl.h>
#include <sys/conf.h>
#include <sys/stat.h>
#ifdef DEVFS
#include <sys/devfsext.h>
#endif
#include <i386/isa/atapi.h>
#include <i386/isa/atapi-cd.h>
static d_open_t acdopen;
static d_close_t acdclose;
static d_write_t acdwrite;
static d_read_t acdread;
static d_ioctl_t acdioctl;
static d_strategy_t acdstrategy;
#define CDEV_MAJOR 69
#define BDEV_MAJOR 19
static struct cdevsw acd_cdevsw = {
acdopen, acdclose, acdread, acdwrite,
acdioctl, nostop, nullreset, nodevtotty,
seltrue, nommap, acdstrategy, "wcd",
NULL, -1, nodump, nopsize,
D_DISK, 0, -1
};
#define NUNIT 16 /* Max # of devices */
#define F_BOPEN 0x0001 /* The block device is opened */
#define F_MEDIA_CHANGED 0x0002 /* The media have changed since open */
#define F_DEBUG 0x0004 /* Print debug info */
#define F_LOCKED 0x0008 /* This unit is locked (or should be) */
#define F_TRACK_PREP 0x0010 /* Track should be prep'ed */
#define F_TRACK_PREPED 0x0020 /* Track has been prep'ed */
#define F_DISK_PREPED 0x0040 /* Disk has been prep'ed */
#define F_WRITTEN 0x0080 /* The medium has been written to */
static struct acd *acdtab[NUNIT];
static int acdnlun = 0; /* Number of configured drives */
#ifndef ATAPI_STATIC
static
#endif
int acdattach(struct atapi *, int, struct atapi_params *, int);
static struct acd *acd_init_lun(struct atapi *, int, struct atapi_params *, int,
struct devstat *);
static void acd_start(struct acd *);
static void acd_done(struct acd *, struct buf *, int, struct atapires);
static int acd_read_toc(struct acd *);
static int acd_request_wait(struct acd *, u_char, u_char, u_char, u_char, u_char, u_char, u_char, u_char, u_char, u_char, char *, int);
static void acd_describe(struct acd *);
static int acd_setchan(struct acd *, u_char, u_char, u_char, u_char);
static int acd_eject(struct acd *, int);
static void acd_select_slot(struct acd *);
static int acd_rezero_unit(struct acd *);
static int acd_open_disk(struct acd *, int);
static int acd_open_track(struct acd *, struct wormio_prepare_track *);
static int acd_close_track(struct acd *);
static int acd_close_disk(struct acd *);
static int acd_read_track_info(struct acd *cdp, int lba, struct acd_track_info *info);
static int acd_blank_disk(struct acd *);
static void atapi_dump(int ctrlr, int lun, char *label, void *data, int len);
static void atapi_error(struct atapi *ata, int unit, struct atapires result);
struct acd *
acd_init_lun(struct atapi *ata, int unit, struct atapi_params *ap, int lun,
struct devstat *device_stats)
{
struct acd *ptr;
if (!(ptr = malloc(sizeof(struct acd), M_TEMP, M_NOWAIT)))
return NULL;
bzero(ptr, sizeof(struct acd));
bufq_init(&ptr->buf_queue);
ptr->ata = ata;
ptr->unit = unit;
ptr->lun = lun;
ptr->param = ap;
ptr->flags = F_MEDIA_CHANGED;
ptr->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED);
ptr->block_size = 2048;
ptr->refcnt = 0;
ptr->slot = -1;
ptr->changer_info = NULL;
if (device_stats == NULL) {
if (!(ptr->device_stats = malloc(sizeof(struct devstat),
M_TEMP, M_NOWAIT)))
return NULL;
bzero(ptr->device_stats, sizeof(struct devstat));
}
else
ptr->device_stats = device_stats;
#ifdef DEVFS
ptr->ra_devfs_token =
devfs_add_devswf(&acd_cdevsw, dkmakeminor(lun, 0, 0),
DV_CHR, UID_ROOT, GID_OPERATOR, 0640,
"rwcd%da", lun);
ptr->rc_devfs_token =
devfs_add_devswf(&acd_cdevsw, dkmakeminor(lun, 0, RAW_PART),
DV_CHR, UID_ROOT, GID_OPERATOR, 0640,
"rwcd%dc", lun);
ptr->a_devfs_token =
devfs_add_devswf(&acd_cdevsw, dkmakeminor(lun, 0, 0),
DV_BLK, UID_ROOT, GID_OPERATOR, 0640,
"wcd%da", lun);
ptr->c_devfs_token =
devfs_add_devswf(&acd_cdevsw, dkmakeminor(lun, 0, RAW_PART),
DV_BLK, UID_ROOT, GID_OPERATOR, 0640,
"wcd%dc", lun);
#endif
return ptr;
}
#ifndef ATAPI_STATIC
static
#endif
int
acdattach(struct atapi *ata, int unit, struct atapi_params *ap, int debug)
{
struct acd *cdp;
struct atapires result;
struct changer *chp;
int i, count;
if (acdnlun >= NUNIT) {
printf("wcd: too many units\n");
return 0;
}
if (!atapi_request_immediate) {
printf("wcd: configuration error, ATAPI code not present!\n");
return 0;
}
if ((cdp = acd_init_lun(ata, unit, ap, acdnlun, NULL)) == NULL) {
printf("wcd: out of memory\n");
return 0;
}
acdtab[acdnlun] = cdp;
if (debug) {
cdp->flags |= F_DEBUG;
atapi_dump(cdp->ata->ctrlr, cdp->lun, "info", ap, sizeof(*ap));
}
/* Get drive capabilities, some drives needs this repeated */
for (count = 0 ; count < 5 ; count++) {
result = atapi_request_immediate(ata, unit,
ATAPI_MODE_SENSE,
0, ATAPI_CDROM_CAP_PAGE,
0, 0, 0, 0,
sizeof(cdp->cap)>>8, sizeof(cdp->cap),
0, 0, 0, 0, 0, 0, 0,
(char *)&cdp->cap, sizeof(cdp->cap));
if (result.code == 0 || result.code == RES_UNDERRUN)
break;
}
/* Some drives have shorter capabilities page. */
if (result.code == RES_UNDERRUN)
result.code = 0;
if (result.code == 0) {
cdp->cap.max_speed = ntohs(cdp->cap.max_speed);
cdp->cap.max_vol_levels = ntohs(cdp->cap.max_vol_levels);
cdp->cap.buf_size = ntohs(cdp->cap.buf_size);
cdp->cap.cur_speed = ntohs(cdp->cap.cur_speed);
acd_describe(cdp);
if (cdp->flags & F_DEBUG)
atapi_dump(cdp->ata->ctrlr, cdp->lun, "cap", &cdp->cap,
sizeof(cdp->cap));
}
/* If this is a changer device, allocate the neeeded lun's */
if (cdp->cap.mech == MST_MECH_CHANGER) {
char string[16];
struct acd *tmpcdp = cdp;
chp = malloc(sizeof(struct changer), M_TEMP, M_NOWAIT);
if (chp == NULL) {
printf("wcd: out of memory\n");
return 0;
}
bzero(chp, sizeof(struct changer));
result = atapi_request_immediate(ata, unit, ATAPI_MECH_STATUS,
0, 0, 0, 0, 0, 0, 0,
sizeof(struct changer)>>8,
sizeof(struct changer),
0, 0, 0, 0, 0, 0,
(char *)chp, sizeof(struct changer));
if (cdp->flags & F_DEBUG) {
printf("result.code=%d curr=%02x slots=%d len=%d\n",
result.code, chp->current_slot, chp->slots,
htons(chp->table_length));
}
if (result.code == RES_UNDERRUN)
result.code = 0;
if (result.code == 0) {
chp->table_length = htons(chp->table_length);
for (i = 0; i < chp->slots && acdnlun < NUNIT; i++) {
if (i > 0) {
tmpcdp = acd_init_lun(ata, unit, ap, acdnlun,
cdp->device_stats);
if (!tmpcdp) {
printf("wcd: out of memory\n");
return 0;
}
}
tmpcdp->slot = i;
tmpcdp->changer_info = chp;
printf("wcd%d: changer slot %d %s\n", acdnlun, i,
(chp->slot[i].present ? "disk present" : "no disk"));
acdtab[acdnlun++] = tmpcdp;
}
if (acdnlun >= NUNIT) {
printf("wcd: too many units\n");
return 0;
}
}
sprintf(string, "wcd%d-", cdp->lun);
devstat_add_entry(cdp->device_stats, string, tmpcdp->lun, DEV_BSIZE,
DEVSTAT_NO_ORDERED_TAGS,
DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_IDE,
DEVSTAT_PRIORITY_WCD);
}
else {
acdnlun++;
devstat_add_entry(cdp->device_stats, "wcd", cdp->lun, DEV_BSIZE,
DEVSTAT_NO_ORDERED_TAGS,
DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_IDE,
DEVSTAT_PRIORITY_WCD);
}
return 1;
}
void
acd_describe(struct acd *cdp)
{
int comma;
char *mechanism;
printf("wcd%d: drive speed ", cdp->lun);
if (cdp->cap.cur_speed != cdp->cap.max_speed)
printf("%d - ", cdp->cap.cur_speed * 1000 / 1024);
printf("%dKB/sec", cdp->cap.max_speed * 1000 / 1024);
if (cdp->cap.buf_size)
printf(", %dKB cache\n", cdp->cap.buf_size);
printf("wcd%d: supported read types:", cdp->lun);
comma = 0;
if (cdp->cap.read_cdr) {
printf(" CD-R"); comma = 1;
}
if (cdp->cap.read_cdrw) {
printf("%s CD-RW", comma ? "," : ""); comma = 1;
}
if (cdp->cap.cd_da) {
printf("%s CD-DA", comma ? "," : ""); comma = 1;
}
if (cdp->cap.method2)
printf("%s packet track", comma ? "," : "");
if (cdp->cap.write_cdr || cdp->cap.write_cdrw) {
printf("\nwcd%d: supported write types:", cdp->lun);
comma = 0;
if (cdp->cap.write_cdr) {
printf(" CD-R" ); comma = 1;
}
if (cdp->cap.write_cdrw) {
printf("%s CD-RW", comma ? "," : ""); comma = 1;
}
if (cdp->cap.test_write) {
printf("%s test write", comma ? "," : ""); comma = 1;
}
}
if (cdp->cap.audio_play) {
printf("\nwcd%d: Audio: ", cdp->lun);
if (cdp->cap.audio_play)
printf("play");
if (cdp->cap.max_vol_levels)
printf(", %d volume levels", cdp->cap.max_vol_levels);
}
printf("\nwcd%d: Mechanism: ", cdp->lun);
switch (cdp->cap.mech) {
case MST_MECH_CADDY:
mechanism = "caddy"; break;
case MST_MECH_TRAY:
mechanism = "tray"; break;
case MST_MECH_POPUP:
mechanism = "popup"; break;
case MST_MECH_CHANGER:
mechanism = "changer"; break;
case MST_MECH_CARTRIDGE:
mechanism = "cartridge"; break;
default:
mechanism = 0; break;
}
if (mechanism)
printf("%s%s", cdp->cap.eject ? "ejectable " : "", mechanism);
else if (cdp->cap.eject)
printf("ejectable");
if (cdp->cap.mech != MST_MECH_CHANGER) {
printf("\nwcd%d: Medium: ", cdp->lun);
switch (cdp->cap.medium_type & MST_TYPE_MASK_HIGH) {
case MST_CDROM:
printf("CD-ROM "); break;
case MST_CDR:
printf("CD-R "); break;
case MST_CDRW:
printf("CD-RW "); break;
case MST_DOOR_OPEN:
printf("door open"); break;
case MST_NO_DISC:
printf("no/blank disc inside"); break;
case MST_FMT_ERROR:
printf("medium format error"); break;
}
if ((cdp->cap.medium_type & MST_TYPE_MASK_HIGH) < MST_TYPE_MASK_HIGH) {
switch (cdp->cap.medium_type & MST_TYPE_MASK_LOW) {
case MST_DATA_120:
printf("120mm data disc loaded"); break;
case MST_AUDIO_120:
printf("120mm audio disc loaded"); break;
case MST_COMB_120:
printf("120mm data/audio disc loaded"); break;
case MST_PHOTO_120:
printf("120mm photo disc loaded"); break;
case MST_DATA_80:
printf("80mm data disc loaded"); break;
case MST_AUDIO_80:
printf("80mm audio disc loaded"); break;
case MST_COMB_80:
printf("80mm data/audio disc loaded"); break;
case MST_PHOTO_80:
printf("80mm photo disc loaded"); break;
case MST_FMT_NONE:
switch (cdp->cap.medium_type & MST_TYPE_MASK_HIGH) {
case MST_CDROM:
printf("unknown medium"); break;
case MST_CDR:
case MST_CDRW:
printf("blank medium"); break;
}
break;
default:
printf("unknown type=0x%x", cdp->cap.medium_type); break;
}
}
}
if (cdp->cap.lock)
printf(cdp->cap.locked ? ", locked" : ", unlocked");
if (cdp->cap.prevent)
printf(", lock protected");
printf("\n");
}
static int
acdopen(dev_t dev, int flags, int fmt, struct proc *p)
{
int lun = dkunit(dev);
struct acd *cdp;
if (lun >= acdnlun || !atapi_request_immediate)
return ENXIO;
cdp = acdtab[lun];
if (!(cdp->flags & F_BOPEN) && !cdp->refcnt) {
/* Prevent user eject */
acd_request_wait(cdp, ATAPI_PREVENT_ALLOW,
0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0);
cdp->flags |= F_LOCKED;
}
if (fmt == S_IFBLK)
cdp->flags |= F_BOPEN;
else
++cdp->refcnt;
if ((flags & O_NONBLOCK) == 0) {
if ((flags & FWRITE) != 0) {
/* read/write */
if (acd_rezero_unit(cdp)) {
printf("wcd%d: rezero failed\n", lun);
return EIO;
}
} else {
/* read only */
if (acd_read_toc(cdp) != 0) {
printf("wcd%d: read_toc failed\n", lun);
/* return EIO; */
}
}
}
return 0;
}
int
acdclose(dev_t dev, int flags, int fmt, struct proc *p)
{
struct acd *cdp = acdtab[dkunit(dev)];
if (fmt == S_IFBLK)
cdp->flags &= ~F_BOPEN;
else
--cdp->refcnt;
/* Are we the last open ?? */
if (!(cdp->flags & F_BOPEN) && !cdp->refcnt) {
/* Yup, do we need to close any written tracks */
if ((flags & FWRITE) != 0) {
if ((cdp->flags & F_TRACK_PREPED) != 0) {
acd_close_track(cdp);
cdp->flags &= ~(F_TRACK_PREPED | F_TRACK_PREP);
}
}
/* Allow the user eject */
acd_request_wait(cdp, ATAPI_PREVENT_ALLOW,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
}
cdp->flags &= ~F_LOCKED;
return 0;
}
static int
acdread(dev_t dev, struct uio *uio, int ioflag)
{
return physio(acdstrategy, NULL, dev, 1, minphys, uio);
}
static int
acdwrite(dev_t dev, struct uio *uio, int ioflag)
{
return physio(acdstrategy, NULL, dev, 0, minphys, uio);
}
void
acdstrategy(struct buf *bp)
{
int lun = dkunit(bp->b_dev);
struct acd *cdp = acdtab[lun];
int x;
#ifdef NOTYET
/* allow write only on CD-R/RW media */ /* all for now SOS */
if (!(bp->b_flags & B_READ) && !(writeable_media)) {
bp->b_error = EROFS;
bp->b_flags |= B_ERROR;
biodone(bp);
return;
}
#endif
if (bp->b_bcount == 0) {
bp->b_resid = 0;
biodone(bp);
return;
}
bp->b_pblkno = bp->b_blkno;
bp->b_resid = bp->b_bcount;
x = splbio();
bufqdisksort(&cdp->buf_queue, bp);
acd_start(cdp);
splx(x);
}
static void
acd_start(struct acd *cdp)
{
struct buf *bp = bufq_first(&cdp->buf_queue);
u_long lba, blocks;
int cmd;
int count;
if (!bp)
return;
bufq_remove(&cdp->buf_queue, bp);
/* Should reject all queued entries if media have changed. */
if (cdp->flags & F_MEDIA_CHANGED) {
bp->b_error = EIO;
bp->b_flags |= B_ERROR;
biodone(bp);
return;
}
acd_select_slot(cdp);
if ((bp->b_flags & B_READ) == B_WRITE) {
if ((cdp->flags & F_TRACK_PREPED) == 0) {
if ((cdp->flags & F_TRACK_PREP) == 0) {
printf("wcd%d: sequence error\n", cdp->lun);
bp->b_error = EIO;
bp->b_flags |= B_ERROR;
biodone(bp);
return;
} else {
if (acd_open_track(cdp, &cdp->preptrack) != 0) {
biodone(bp);
return;
}
cdp->flags |= F_TRACK_PREPED;
}
}
}
if (bp->b_flags & B_READ)
#ifdef NOTYET
lba = bp->b_offset / cdp->block_size;
#else
lba = bp->b_blkno / (cdp->block_size / DEV_BSIZE);
#endif
else
lba = cdp->next_writeable_lba + (bp->b_offset / cdp->block_size);
blocks = (bp->b_bcount + (cdp->block_size - 1)) / cdp->block_size;
if ((bp->b_flags & B_READ) == B_WRITE) {
cmd = ATAPI_WRITE_BIG;
count = -bp->b_bcount;
} else {
cmd = ATAPI_READ_BIG;
count = bp->b_bcount;
}
devstat_start_transaction(cdp->device_stats);
atapi_request_callback(cdp->ata, cdp->unit, cmd, 0,
lba>>24, lba>>16, lba>>8, lba, 0,
blocks>>8, blocks, 0, 0, 0, 0, 0, 0, 0,
(u_char *)bp->b_data, count,
(atapi_callback_t *)acd_done, cdp, bp);
}
static void
acd_done(struct acd *cdp, struct buf *bp, int resid, struct atapires result)
{
devstat_end_transaction(cdp->device_stats, bp->b_bcount - resid,
DEVSTAT_TAG_NONE,
(bp->b_flags&B_READ) ? DEVSTAT_READ:DEVSTAT_WRITE);
if (result.code) {
atapi_error(cdp->ata, cdp->unit, result);
bp->b_error = EIO;
bp->b_flags |= B_ERROR;
} else {
bp->b_resid = resid;
if ((bp->b_flags & B_READ) == B_WRITE)
cdp->flags |= F_WRITTEN;
}
biodone(bp);
acd_start(cdp);
}
static int
acd_request_wait(struct acd *cdp, u_char cmd, u_char a1, u_char a2,
u_char a3, u_char a4, u_char a5, u_char a6, u_char a7, u_char a8,
u_char a9, char *addr, int count)
{
struct atapires result;
result = atapi_request_wait(cdp->ata, cdp->unit, cmd, a1, a2, a3, a4, a5,
a6, a7, a8, a9, 0, 0, 0, 0, 0, 0, addr, count);
if (result.code) {
atapi_error(cdp->ata, cdp->unit, result);
return EIO;
}
return 0;
}
static __inline void
lba2msf(int lba, u_char *m, u_char *s, u_char *f)
{
lba += 150;
lba &= 0xffffff;
*m = lba / (60 * 75);
lba %= (60 * 75);
*s = lba / 75;
*f = lba % 75;
}
static __inline int
msf2lba(u_char m, u_char s, u_char f)
{
return (m * 60 + s) * 75 + f - 150;
}
int
acdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
{
int lun = dkunit(dev);
struct acd *cdp = acdtab[lun];
int error = 0;
if (cdp->flags & F_MEDIA_CHANGED)
switch (cmd) {
case CDIOCRESET:
break;
default:
acd_read_toc(cdp);
acd_request_wait(cdp, ATAPI_PREVENT_ALLOW,
0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0);
cdp->flags |= F_LOCKED;
break;
}
switch (cmd) {
/*
case CDIOCRESUME:
bzero(cdb);
cdb->cmd = ATAPI_PAUSE;
cdb->b8 = 0x01;
return atapi_cmd_wait(cdp->ata, cdp->unit, cdb, 0, 0, timout, 0);
*/
case CDIOCRESUME:
return acd_request_wait(cdp, ATAPI_PAUSE,
0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0);
case CDIOCPAUSE:
return acd_request_wait(cdp, ATAPI_PAUSE,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
case CDIOCSTART:
return acd_request_wait(cdp, ATAPI_START_STOP,
1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0);
case CDIOCSTOP:
return acd_request_wait(cdp, ATAPI_START_STOP,
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
case CDIOCALLOW:
acd_select_slot(cdp);
cdp->flags &= ~F_LOCKED;
return acd_request_wait(cdp, ATAPI_PREVENT_ALLOW,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
case CDIOCPREVENT:
acd_select_slot(cdp);
cdp->flags |= F_LOCKED;
return acd_request_wait(cdp, ATAPI_PREVENT_ALLOW,
0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0);
case CDIOCRESET:
error = suser(p->p_ucred, &p->p_acflag);
if (error)
return (error);
return acd_request_wait(cdp, ATAPI_TEST_UNIT_READY,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
case CDIOCEJECT:
if ((cdp->flags & F_BOPEN) && cdp->refcnt)
return EBUSY;
return acd_eject(cdp, 0);
case CDIOCCLOSE:
if ((cdp->flags & F_BOPEN) && cdp->refcnt)
return 0;
return acd_eject(cdp, 1);
case CDIOREADTOCHEADER:
if (!cdp->toc.hdr.ending_track)
return EIO;
bcopy(&cdp->toc.hdr, addr, sizeof(cdp->toc.hdr));
break;
case CDIOREADTOCENTRYS:
{
struct ioc_read_toc_entry *te = (struct ioc_read_toc_entry *)addr;
struct toc *toc = &cdp->toc;
struct toc buf;
u_long len;
u_char starting_track = te->starting_track;
if (!cdp->toc.hdr.ending_track)
return EIO;
if (te->data_len < sizeof(toc->tab[0]) ||
(te->data_len % sizeof(toc->tab[0])) != 0 ||
(te->address_format != CD_MSF_FORMAT &&
te->address_format != CD_LBA_FORMAT))
return EINVAL;
if (!starting_track)
starting_track = toc->hdr.starting_track;
else if (starting_track == 170)
starting_track = toc->hdr.ending_track + 1;
else if (starting_track < toc->hdr.starting_track ||
starting_track > toc->hdr.ending_track + 1)
return EINVAL;
len = ((toc->hdr.ending_track + 1 - starting_track) + 1) *
sizeof(toc->tab[0]);
if (te->data_len < len)
len = te->data_len;
if (len > sizeof(toc->tab))
return EINVAL;
if (te->address_format == CD_MSF_FORMAT) {
struct cd_toc_entry *entry;
buf = cdp->toc;
toc = &buf;
entry = toc->tab + (toc->hdr.ending_track + 1 -
toc->hdr.starting_track) + 1;
while (--entry >= toc->tab)
lba2msf(ntohl(entry->addr.lba), &entry->addr.msf.minute,
&entry->addr.msf.second, &entry->addr.msf.frame);
}
return copyout(toc->tab + starting_track - toc->hdr.starting_track,
te->data, len);
}
case CDIOREADTOCENTRY:
{
struct ioc_read_toc_single_entry *te =
(struct ioc_read_toc_single_entry *)addr;
struct toc *toc = &cdp->toc;
struct toc buf;
u_char track = te->track;
if (!cdp->toc.hdr.ending_track)
return EIO;
if (te->address_format != CD_MSF_FORMAT &&
te->address_format != CD_LBA_FORMAT)
return EINVAL;
if (!track)
track = toc->hdr.starting_track;
else if (track == 170)
track = toc->hdr.ending_track + 1;
else if (track < toc->hdr.starting_track ||
track > toc->hdr.ending_track + 1)
return EINVAL;
if (te->address_format == CD_MSF_FORMAT) {
struct cd_toc_entry *entry;
buf = cdp->toc;
toc = &buf;
entry = toc->tab + (track - toc->hdr.starting_track);
lba2msf(ntohl(entry->addr.lba), &entry->addr.msf.minute,
&entry->addr.msf.second, &entry->addr.msf.frame);
}
bcopy(toc->tab + track - toc->hdr.starting_track,
&te->entry, sizeof(struct cd_toc_entry));
}
break;
case CDIOCREADSUBCHANNEL:
{
struct ioc_read_subchannel *args =
(struct ioc_read_subchannel *)addr;
struct cd_sub_channel_info data;
u_long len = args->data_len;
int abslba, rellba;
if (len > sizeof(data) ||
len < sizeof(struct cd_sub_channel_header))
return EINVAL;
if (acd_request_wait(cdp, ATAPI_READ_SUBCHANNEL,
0, 0x40, 1, 0, 0, 0,
sizeof(cdp->subchan)>>8, sizeof(cdp->subchan),
0,
(char *)&cdp->subchan,
sizeof(cdp->subchan)) != 0)
return EIO;
if (cdp->flags & F_DEBUG)
atapi_dump(cdp->ata->ctrlr, cdp->lun, "subchan", &cdp->subchan,
sizeof(cdp->subchan));
abslba = cdp->subchan.abslba;
rellba = cdp->subchan.rellba;
if (args->address_format == CD_MSF_FORMAT) {
lba2msf(ntohl(abslba),
&data.what.position.absaddr.msf.minute,
&data.what.position.absaddr.msf.second,
&data.what.position.absaddr.msf.frame);
lba2msf(ntohl(rellba),
&data.what.position.reladdr.msf.minute,
&data.what.position.reladdr.msf.second,
&data.what.position.reladdr.msf.frame);
} else {
data.what.position.absaddr.lba = abslba;
data.what.position.reladdr.lba = rellba;
}
data.header.audio_status = cdp->subchan.audio_status;
data.what.position.control = cdp->subchan.control & 0xf;
data.what.position.addr_type = cdp->subchan.control >> 4;
data.what.position.track_number = cdp->subchan.track;
data.what.position.index_number = cdp->subchan.indx;
return copyout(&data, args->data, len);
}
case CDIOCPLAYMSF:
{
struct ioc_play_msf *args = (struct ioc_play_msf *)addr;
return acd_request_wait(cdp, ATAPI_PLAY_MSF, 0, 0,
args->start_m, args->start_s, args->start_f,
args->end_m, args->end_s, args->end_f,
0, 0, 0);
}
case CDIOCPLAYBLOCKS:
{
struct ioc_play_blocks *args = (struct ioc_play_blocks *)addr;
return acd_request_wait(cdp, ATAPI_PLAY_BIG, 0,
args->blk>>24 & 0xff, args->blk>>16 & 0xff,
args->blk>>8 & 0xff, args->blk & 0xff,
args->len>>24 & 0xff, args->len>>16 & 0xff,
args->len>>8 & 0xff, args->len & 0xff,
0, 0);
}
case CDIOCPLAYTRACKS:
{
struct ioc_play_track *args = (struct ioc_play_track *)addr;
u_long start, len;
int t1, t2;
if (!cdp->toc.hdr.ending_track)
return EIO;
if (args->end_track < cdp->toc.hdr.ending_track + 1)
++args->end_track;
if (args->end_track > cdp->toc.hdr.ending_track + 1)
args->end_track = cdp->toc.hdr.ending_track + 1;
t1 = args->start_track - cdp->toc.hdr.starting_track;
t2 = args->end_track - cdp->toc.hdr.starting_track;
if (t1 < 0 || t2 < 0)
return EINVAL;
start = ntohl(cdp->toc.tab[t1].addr.lba);
len = ntohl(cdp->toc.tab[t2].addr.lba) - start;
return acd_request_wait(cdp, ATAPI_PLAY_BIG, 0,
start>>24 & 0xff, start>>16 & 0xff,
start>>8 & 0xff, start & 0xff,
len>>24 & 0xff, len>>16 & 0xff,
len>>8 & 0xff, len & 0xff, 0, 0);
}
case CDIOCREADAUDIO:
{
struct ioc_read_audio* args = (struct ioc_read_audio*) addr;
int lba, frames, result = 0;
u_char *buffer, *ubuf = args->buffer;
if (!cdp->toc.hdr.ending_track)
return EIO;
if ((frames = args->nframes) < 0)
return EINVAL;
if (args->address_format == CD_LBA_FORMAT)
lba = args->address.lba;
else if (args->address_format == CD_MSF_FORMAT)
lba = msf2lba(args->address.msf.minute,
args->address.msf.second,
args->address.msf.frame);
else
return EINVAL;
#ifndef CD_BUFFER_BLOCKS
#define CD_BUFFER_BLOCKS 8
#endif
if (!(buffer = malloc(CD_BUFFER_BLOCKS * 2352, M_TEMP, M_NOWAIT)))
return ENOMEM;
while (frames > 0) {
u_char blocks;
int size;
blocks = (frames>CD_BUFFER_BLOCKS) ? CD_BUFFER_BLOCKS : frames;
size = blocks * 2352;
result = acd_request_wait(cdp, ATAPI_READ_CD, 4,
lba>>24, (lba>>16)&0xff,
(lba>>8)&0xff, lba&0xff, 0, 0,
blocks, 0xf0, buffer, size);
if (result != 0)
break;
result = copyout(buffer, ubuf, size);
if (result != 0)
break;
ubuf += size;
frames -= blocks;
lba += blocks;
}
free(buffer, M_TEMP);
return result;
}
case CDIOCGETVOL:
{
struct ioc_vol *arg = (struct ioc_vol *)addr;
error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, CDROM_AUDIO_PAGE,
0, 0, 0, 0,
sizeof(cdp->au)>>8, sizeof(cdp->au), 0,
(char *)&cdp->au, sizeof(cdp->au));
if (error)
return error;
if (cdp->flags & F_DEBUG)
atapi_dump(cdp->ata->ctrlr, cdp->lun, "au", &cdp->au,
sizeof(cdp->au));
if (cdp->au.page_code != CDROM_AUDIO_PAGE)
return EIO;
arg->vol[0] = cdp->au.port[0].volume;
arg->vol[1] = cdp->au.port[1].volume;
arg->vol[2] = cdp->au.port[2].volume;
arg->vol[3] = cdp->au.port[3].volume;
}
break;
case CDIOCSETVOL:
{
struct ioc_vol *arg = (struct ioc_vol *)addr;
error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, CDROM_AUDIO_PAGE,
0, 0, 0, 0,
sizeof(cdp->au)>>8, sizeof(cdp->au), 0,
(char *)&cdp->au, sizeof(cdp->au));
if (error)
return error;
if (cdp->flags & F_DEBUG)
atapi_dump(cdp->ata->ctrlr, cdp->lun, "au", &cdp->au,
sizeof(cdp->au));
if (cdp->au.page_code != CDROM_AUDIO_PAGE)
return EIO;
error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0,
CDROM_AUDIO_PAGE_MASK, 0, 0, 0, 0,
sizeof(cdp->aumask)>>8,sizeof(cdp->aumask),
0,
(char *)&cdp->aumask, sizeof(cdp->aumask));
if (error)
return error;
if (cdp->flags & F_DEBUG)
atapi_dump(cdp->ata->ctrlr, cdp->lun, "mask", &cdp->aumask,
sizeof(cdp->aumask));
cdp->au.data_length = 0;
cdp->au.port[0].channels = CHANNEL_0;
cdp->au.port[1].channels = CHANNEL_1;
cdp->au.port[0].volume = arg->vol[0] & cdp->aumask.port[0].volume;
cdp->au.port[1].volume = arg->vol[1] & cdp->aumask.port[1].volume;
cdp->au.port[2].volume = arg->vol[2] & cdp->aumask.port[2].volume;
cdp->au.port[3].volume = arg->vol[3] & cdp->aumask.port[3].volume;
return acd_request_wait(cdp, ATAPI_MODE_SELECT, 0x10,
0, 0, 0, 0, 0,
sizeof(cdp->au)>>8, sizeof(cdp->au),
0, (char *)&cdp->au, -sizeof(cdp->au));
}
case CDIOCSETPATCH:
{
struct ioc_patch *arg = (struct ioc_patch *)addr;
return acd_setchan(cdp, arg->patch[0], arg->patch[1],
arg->patch[2], arg->patch[3]);
}
case CDIOCSETMONO:
return acd_setchan(cdp, CHANNEL_0|CHANNEL_1, CHANNEL_0|CHANNEL_1, 0, 0);
case CDIOCSETSTEREO:
return acd_setchan(cdp, CHANNEL_0, CHANNEL_1, 0, 0);
case CDIOCSETMUTE:
return acd_setchan(cdp, 0, 0, 0, 0);
case CDIOCSETLEFT:
return acd_setchan(cdp, CHANNEL_0, CHANNEL_0, 0, 0);
case CDIOCSETRIGHT:
return acd_setchan(cdp, CHANNEL_1, CHANNEL_1, 0, 0);
case CDRIOCNEXTWRITEABLEADDR:
{
struct acd_track_info track_info;
if ((error = acd_read_track_info(cdp, 0xff, &track_info)))
break;
if (!track_info.nwa_valid)
return EINVAL;
cdp->next_writeable_lba = track_info.next_writeable_addr;
*(int*)addr = track_info.next_writeable_addr;
}
break;
case WORMIOCPREPDISK:
{
struct wormio_prepare_disk *w = (struct wormio_prepare_disk *)addr;
if (w->dummy != 0 && w->dummy != 1)
error = EINVAL;
else {
error = acd_open_disk(cdp, w->dummy);
if (error == 0) {
cdp->flags |= F_DISK_PREPED;
cdp->dummy = w->dummy;
cdp->speed = w->speed;
}
}
}
break;
case WORMIOCPREPTRACK:
{
struct wormio_prepare_track *w =(struct wormio_prepare_track *)addr;
if (w->audio != 0 && w->audio != 1)
error = EINVAL;
else if (w->audio == 0 && w->preemp)
error = EINVAL;
else if ((cdp->flags & F_DISK_PREPED) == 0) {
error = EINVAL;
printf("wcd%d: sequence error (PREP_TRACK)\n", cdp->lun);
} else {
cdp->flags |= F_TRACK_PREP;
cdp->preptrack = *w;
}
}
break;
case WORMIOCFINISHTRACK:
if ((cdp->flags & F_TRACK_PREPED) != 0)
error = acd_close_track(cdp);
cdp->flags &= ~(F_TRACK_PREPED | F_TRACK_PREP);
break;
case WORMIOCFIXATION:
{
struct wormio_fixation *w =
(struct wormio_fixation *)addr;
if ((cdp->flags & F_WRITTEN) == 0)
error = EINVAL;
else if (w->toc_type < 0 /* WORM_TOC_TYPE_AUDIO */ ||
w->toc_type > 4 /* WORM_TOC_TYPE_CDI */ )
error = EINVAL;
else if (w->onp != 0 && w->onp != 1)
error = EINVAL;
else {
/* no fixation needed if dummy write */
if (cdp->dummy == 0)
error = acd_close_disk(cdp);
cdp->flags &=
~(F_WRITTEN|F_DISK_PREPED|F_TRACK_PREP|F_TRACK_PREPED);
}
}
break;
case CDRIOCBLANK:
return acd_blank_disk(cdp);
default:
return ENOTTY;
}
return error;
}
static int
acd_read_toc(struct acd *cdp)
{
int ntracks, len;
struct atapires result;
bzero(&cdp->toc, sizeof(cdp->toc));
bzero(&cdp->info, sizeof(cdp->info));
acd_select_slot(cdp);
result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_TEST_UNIT_READY,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0);
if (result.code == RES_ERR &&
(result.error & AER_SKEY) == AER_SK_UNIT_ATTENTION) {
cdp->flags |= F_MEDIA_CHANGED;
cdp->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED);
result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_TEST_UNIT_READY,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0);
}
if (result.code) {
atapi_error(cdp->ata, cdp->unit, result);
return EIO;
}
cdp->flags &= ~F_MEDIA_CHANGED;
len = sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry);
if (acd_request_wait(cdp, ATAPI_READ_TOC, 0, 0, 0, 0, 0, 0,
len>>8, len & 0xff, 0, (char *)&cdp->toc, len) != 0) {
bzero(&cdp->toc, sizeof(cdp->toc));
return 0;
}
ntracks = cdp->toc.hdr.ending_track - cdp->toc.hdr.starting_track + 1;
if (ntracks <= 0 || ntracks > MAXTRK) {
bzero(&cdp->toc, sizeof(cdp->toc));
return 0;
}
len = sizeof(struct ioc_toc_header) + ntracks * sizeof(struct cd_toc_entry);
if (acd_request_wait(cdp, ATAPI_READ_TOC, 0, 0, 0, 0, 0, 0,
len>>8, len & 0xff, 0, (char *)&cdp->toc, len) & 0xff){
bzero(&cdp->toc, sizeof(cdp->toc));
return 0;
}
cdp->toc.hdr.len = ntohs(cdp->toc.hdr.len);
if (acd_request_wait(cdp, ATAPI_READ_CAPACITY, 0, 0, 0, 0, 0, 0, 0, 0, 0,
(char *)&cdp->info, sizeof(cdp->info)) != 0)
bzero(&cdp->info, sizeof(cdp->info));
cdp->toc.tab[ntracks].control = cdp->toc.tab[ntracks - 1].control;
cdp->toc.tab[ntracks].addr_type = cdp->toc.tab[ntracks - 1].addr_type;
cdp->toc.tab[ntracks].track = 170;
cdp->toc.tab[ntracks].addr.lba = cdp->info.volsize;
cdp->info.volsize = ntohl(cdp->info.volsize);
cdp->info.blksize = ntohl(cdp->info.blksize);
if (cdp->info.volsize && cdp->toc.hdr.ending_track
&& (cdp->flags & F_DEBUG)) {
printf("wcd%d: ", cdp->lun);
if (cdp->toc.tab[0].control & 4)
printf("%ldMB ", cdp->info.volsize / 512);
else
printf("%ld:%ld audio ", cdp->info.volsize / 75 / 60,
cdp->info.volsize / 75 % 60);
printf("(%ld sectors (%ld bytes)), %d tracks\n",
cdp->info.volsize, cdp->info.blksize,
cdp->toc.hdr.ending_track - cdp->toc.hdr.starting_track + 1);
}
return 0;
}
/*
* Set up the audio channel masks.
*/
static int
acd_setchan(struct acd *cdp, u_char c0, u_char c1, u_char c2, u_char c3)
{
int error;
error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, CDROM_AUDIO_PAGE,
0, 0, 0, 0,
sizeof(cdp->au)>>8, sizeof(cdp->au), 0,
(char *)&cdp->au, sizeof(cdp->au));
if (error)
return error;
if (cdp->flags & F_DEBUG)
atapi_dump(cdp->ata->ctrlr, cdp->lun, "au", &cdp->au, sizeof(cdp->au));
if (cdp->au.page_code != CDROM_AUDIO_PAGE)
return EIO;
cdp->au.data_length = 0;
cdp->au.port[0].channels = c0;
cdp->au.port[1].channels = c1;
cdp->au.port[2].channels = c2;
cdp->au.port[3].channels = c3;
return acd_request_wait(cdp, ATAPI_MODE_SELECT, 0x10,
0, 0, 0, 0, 0,
sizeof(cdp->au)>>8, sizeof(cdp->au), 0,
(char *)&cdp->au, -sizeof(cdp->au));
}
static int
acd_eject(struct acd *cdp, int close)
{
struct atapires result;
acd_select_slot(cdp);
result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_START_STOP, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
if (result.code == RES_ERR &&
((result.error & AER_SKEY) == AER_SK_NOT_READY ||
(result.error & AER_SKEY) == AER_SK_UNIT_ATTENTION)) {
int err;
if (!close)
return 0;
err = acd_request_wait(cdp, ATAPI_START_STOP, 0, 0, 0, 3,
0, 0, 0, 0, 0, 0, 0);
if (err)
return err;
acd_read_toc(cdp);
acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 1,
0, 0, 0, 0, 0, 0, 0);
cdp->flags |= F_LOCKED;
return 0;
}
if (result.code) {
atapi_error(cdp->ata, cdp->unit, result);
return EIO;
}
if (close)
return 0;
tsleep((caddr_t) &lbolt, PRIBIO, "wcdej1", 0);
tsleep((caddr_t) &lbolt, PRIBIO, "wcdej2", 0);
acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
cdp->flags &= ~F_LOCKED;
cdp->flags |= F_MEDIA_CHANGED;
cdp->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED);
return acd_request_wait(cdp, ATAPI_START_STOP, 0, 0, 0, 2,
0, 0, 0, 0, 0, 0, 0);
}
static void
acd_select_slot(struct acd *cdp)
{
if (cdp->slot < 0 || cdp->changer_info->current_slot == cdp->slot)
return;
/* Unlock (might not be needed but its cheaper than asking) */
acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
/* Unload the current media from player */
acd_request_wait(cdp, ATAPI_LOAD_UNLOAD, 0, 0, 0, 2,
0, 0, 0, cdp->changer_info->current_slot, 0, 0, 0);
/* load the wanted slot */
acd_request_wait(cdp, ATAPI_LOAD_UNLOAD, 0, 0, 0, 3,
0, 0, 0, cdp->slot, 0, 0, 0);
cdp->changer_info->current_slot = cdp->slot;
/* Lock the media if needed */
if (cdp->flags & F_LOCKED) {
acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 1,
0, 0, 0, 0, 0, 0, 0);
}
}
static int
acd_rezero_unit(struct acd *cdp)
{
return acd_request_wait(cdp, ATAPI_REZERO_UNIT, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0);
}
static int
acd_open_disk(struct acd *cdp, int test)
{
cdp->next_writeable_lba = 0;
return 0;
}
static int
acd_close_disk(struct acd *cdp)
{
return acd_request_wait(cdp, ATAPI_CLOSE_TRACK, 0x00,
0x02, 0, 0, 0/*track*/, 0, 0, 0, 0, 0, 0);
}
static int
acd_open_track(struct acd *cdp, struct wormio_prepare_track *ptp)
{
struct write_param param;
struct atapires result;
result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_MODE_SENSE,
0, 0x05, 0, 0, 0, 0,
sizeof(param)>>8, sizeof(param),
0, 0, 0, 0, 0, 0, 0,
(char *)&param, sizeof(param));
if (cdp->flags & F_DEBUG)
atapi_dump(cdp->ata->ctrlr, cdp->lun, "0x05", &param, sizeof(param));
if (result.code == RES_UNDERRUN)
result.code = 0;
if (result.code) {
atapi_error(cdp->ata, cdp->unit, result);
return EIO;
}
param.page_code = 0x05;
param.page_length = 0x32;
param.test_write = cdp->dummy ? 1 : 0;
param.write_type = CDR_WTYPE_TRACK;
switch (ptp->audio) {
/* switch (data_type) { */
case 0:
/* case CDR_DATA: */
cdp->block_size = 2048;
param.track_mode = CDR_TMODE_DATA;
param.data_block_type = CDR_DB_ROM_MODE1;
param.session_format = CDR_SESS_CDROM;
break;
default:
/* case CDR_AUDIO: */
cdp->block_size = 2352;
if (ptp->preemp)
param.track_mode = CDR_TMODE_AUDIO;
else
param.track_mode = 0;
param.data_block_type = CDR_DB_RAW;
param.session_format = CDR_SESS_CDROM;
break;
/*
case CDR_MODE2:
param.track_mode = CDR_TMODE_DATA;
param.data_block_type = CDR_DB_ROM_MODE2;
param.session_format = CDR_SESS_CDROM;
break;
case CDR_XA1:
param.track_mode = CDR_TMODE_DATA;
param.data_block_type = CDR_DB_XA_MODE1;
param.session_format = CDR_SESS_CDROM_XA;
break;
case CDR_XA2:
param.track_mode = CDR_TMODE_DATA;
param.data_block_type = CDR_DB_XA_MODE2_F1;
param.session_format = CDR_SESS_CDROM_XA;
break;
case CDR_CDI:
param.track_mode = CDR_TMODE_DATA;
param.data_block_type = CDR_DB_XA_MODE2_F1;
param.session_format = CDR_SESS_CDI;
break;
*/
}
param.multi_session = CDR_MSES_NONE;
param.fp = 0;
param.packet_size = 0;
if (cdp->flags & F_DEBUG)
atapi_dump(cdp->ata->ctrlr, cdp->lun, "0x05", &param, sizeof(param));
result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_MODE_SELECT,
0x10, 0, 0, 0, 0, 0,
sizeof(param)>>8, sizeof(param),
0, 0, 0, 0, 0, 0, 0,
(char *)&param, -sizeof(param));
if (result.code == RES_UNDERRUN)
result.code = 0;
if (result.code) {
atapi_error(cdp->ata, cdp->unit, result);
return EIO;
}
return 0;
}
static int
acd_close_track(struct acd *cdp)
{
return acd_request_wait(cdp, ATAPI_SYNCHRONIZE_CACHE, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
}
static int
acd_read_track_info(struct acd *cdp, int lba, struct acd_track_info *info)
{
int error;
error = acd_request_wait(cdp, ATAPI_READ_TRACK_INFO, 0x01,
lba>>24, (lba>>16)&0xff,
(lba>>8)&0xff, lba&0xff,
0,
sizeof(*info)>>8, sizeof(*info), 0,
(char *)info, sizeof(*info));
if (error)
return error;
info->track_start_addr = ntohl(info->track_start_addr);
info->next_writeable_addr = ntohl(info->next_writeable_addr);
info->free_blocks = ntohl(info->free_blocks);
info->fixed_packet_size = ntohl(info->fixed_packet_size);
info->track_length = ntohl(info->track_length);
return 0;
}
static int
acd_blank_disk(struct acd *cdp)
{
int error;
error = acd_request_wait(cdp, 0xa1, 0x01, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
cdp->flags |= F_MEDIA_CHANGED;
cdp->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED);
return error;
}
static void
atapi_error(struct atapi *ata, int unit, struct atapires result)
{
if (result.code != RES_ERR) {
printf("atapi%d:%d: ERROR %d, status=%b, error=%b\n",
ata->ctrlr, unit, result.code, result.status,
ARS_BITS, result.error, AER_BITS);
return;
}
switch (result.error & AER_SKEY) {
case AER_SK_NOT_READY:
if (ata->debug)
printf("atapi%d:%d: not ready\n", ata->ctrlr, unit);
break;
case AER_SK_BLANK_CHECK:
if (ata->debug)
printf("atapi%d:%d: blank check\n", ata->ctrlr, unit);
break;
case AER_SK_MEDIUM_ERROR:
if (ata->debug)
printf("atapi%d:%d: medium error\n", ata->ctrlr, unit);
break;
case AER_SK_HARDWARE_ERROR:
if (ata->debug)
printf("atapi%d:%d: hardware error\n", ata->ctrlr, unit);
break;
case AER_SK_ILLEGAL_REQUEST:
if (ata->debug)
printf("atapi%d:%d: illegal request\n", ata->ctrlr, unit);
break;
case AER_SK_UNIT_ATTENTION:
if (ata->debug)
printf("atapi%d:%d: unit attention\n", ata->ctrlr, unit);
break;
case AER_SK_DATA_PROTECT:
if (ata->debug)
printf("atapi%d:%d: reading protected data\n", ata->ctrlr, unit);
break;
case AER_SK_ABORTED_COMMAND:
if (ata->debug)
printf("atapi%d:%d: command aborted\n", ata->ctrlr, unit);
break;
case AER_SK_MISCOMPARE:
if (ata->debug)
printf("atapi%d:%d: data don't match medium\n", ata->ctrlr, unit);
break;
default:
if (ata->debug)
printf("atapi%d:%d: unknown error, status=%b, error=%b\n",
ata->ctrlr, unit, result.status, ARS_BITS,
result.error, AER_BITS);
}
}
static void
atapi_dump(int ctrlr, int lun, char *label, void *data, int len)
{
u_char *p = data;
printf ("atapi%d%d: %s %x", ctrlr, lun, label, *p++);
while (--len > 0) printf ("-%x", *p++);
printf ("\n");
}
#ifdef WCD_MODULE
#include <sys/exec.h>
#include <sys/sysent.h>
#include <sys/lkm.h>
MOD_DEV(acd, LM_DT_BLOCK, BDEV_MAJOR, &acd_bdevsw);
MOD_DEV(racd, LM_DT_CHAR, CDEV_MAJOR, &acd_cdevsw);
int
acd_load(struct lkm_table *lkmtp, int cmd)
{
struct atapi *ata;
int n, u;
if (!atapi_start)
return EPROTONOSUPPORT;
n = 0;
for (ata = atapi_tab; ata < atapi_tab + 2; ++ata)
if (ata->port)
for (u = 0; u < 2; ++u)
if (ata->params[u] && !ata->attached[u] &&
acdattach(ata, u, ata->params[u],
ata->debug) >= 0) {
ata->attached[u] = 1;
++n;
}
if (!n)
return ENXIO;
return 0;
}
int
acd_unload(struct lkm_table *lkmtp, int cmd)
{
struct acd **cdpp;
for (cdpp = acdtab; cdpp < acdtab + acdnlun; ++cdpp)
if (((*cdpp)->flags & F_BOPEN) || (*cdpp)->refcnt)
return EBUSY;
for (cdpp = acdtab; cdpp < acdtab + acdnlun; ++t) {
(*cdpp)->ata->attached[(*cdpp)->unit] = 0;
free(*cdpp, M_TEMP);
}
acdnlun = 0;
bzero(acdtab, sizeof(acdtab));
return 0;
}
int
acd_mod(struct lkm_table *lkmtp, int cmd, int ver)
{
int err = 0;
if (ver != LKM_VERSION)
return EINVAL;
if (cmd == LKM_E_LOAD)
err = acd_load(lkmtp, cmd);
else if (cmd == LKM_E_UNLOAD)
err = acd_unload(lkmtp, cmd);
if (err)
return err;
lkmtp->private.lkm_dev = &MOD_PRIVATE(racd);
err = lkmdispatch(lkmtp, cmd);
if (err)
return err;
lkmtp->private.lkm_dev = &MOD_PRIVATE(acd);
return lkmdispatch(lkmtp, cmd);
}
#endif /* WCD_MODULE */
static acd_devsw_installed = 0;
static void
acd_drvinit(void *unused)
{
if (!acd_devsw_installed) {
cdevsw_add_generic(BDEV_MAJOR, CDEV_MAJOR, &acd_cdevsw);
acd_devsw_installed = 1;
}
}
SYSINIT(acddev, SI_SUB_DRIVERS, SI_ORDER_MIDDLE + CDEV_MAJOR, acd_drvinit, NULL)
#endif /* NWCD && NWDC && ATAPI */
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