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Diffstat (limited to 'contrib/libcdio/_cdio_bsdi.c')
| -rw-r--r-- | contrib/libcdio/_cdio_bsdi.c | 846 |
1 files changed, 846 insertions, 0 deletions
diff --git a/contrib/libcdio/_cdio_bsdi.c b/contrib/libcdio/_cdio_bsdi.c new file mode 100644 index 000000000..aef535752 --- /dev/null +++ b/contrib/libcdio/_cdio_bsdi.c @@ -0,0 +1,846 @@ +/* + $Id: _cdio_bsdi.c,v 1.3 2005/01/01 02:43:57 rockyb Exp $ + + Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org> + Copyright (C) 2002, 2003, 2004 Rocky Bernstein <rocky@panix.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +/* This file contains BSDI-specific code and implements low-level + control of the CD drive. +*/ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +static const char _rcsid[] = "$Id: _cdio_bsdi.c,v 1.3 2005/01/01 02:43:57 rockyb Exp $"; + +#include <cdio/logging.h> +#include <cdio/sector.h> +#include <cdio/util.h> +#include "cdio_assert.h" +#include "cdio_private.h" + +#define DEFAULT_CDIO_DEVICE "/dev/rsr0c" +#include <string.h> + +#ifdef HAVE_BSDI_CDROM + +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <unistd.h> +#include <fcntl.h> + +/*#define USE_ETC_FSTAB*/ +#ifdef USE_ETC_FSTAB +#include <fstab.h> +#endif + +#include <dvd.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/ioctl.h> +#include </sys/dev/scsi/scsi.h> +#include </sys/dev/scsi/scsi_ioctl.h> +#include "cdtext_private.h" + +typedef enum { + _AM_NONE, + _AM_IOCTL, +} access_mode_t; + +typedef struct { + /* Things common to all drivers like this. + This must be first. */ + generic_img_private_t gen; + + access_mode_t access_mode; + + /* Some of the more OS specific things. */ + /* Track information */ + struct cdrom_tochdr tochdr; + struct cdrom_tocentry tocent[CDIO_CD_MAX_TRACKS+1]; + +} _img_private_t; + +/* Define the Cdrom Generic Command structure */ +typedef struct cgc +{ + scsi_mmc_cdb_t cdb; + u_char *buf; + int buflen; + int rw; + unsigned int timeout; + scsi_user_sense_t *sus; +} cgc_t; + + +/* + This code adapted from Steven M. Schultz's libdvd +*/ +static int +run_scsi_cmd_bsdi(const void *p_user_data, unsigned int i_timeout_ms, + unsigned int i_cdb, const scsi_mmc_cdb_t *p_cdb, + scsi_mmc_direction_t e_direction, + unsigned int i_buf, /*in/out*/ void *p_buf ) +{ + const _img_private_t *p_env = p_user_data; + int i_status, i_asc; + struct scsi_user_cdb suc; + struct scsi_sense *sp; + + again: + suc.suc_flags = SCSI_MMC_DATA_READ == e_direction ? + SUC_READ : SUC_WRITE; + suc.suc_cdblen = i_cdb; + memcpy(suc.suc_cdb, p_cdb, i_cdb); + suc.suc_data = p_buf; + suc.suc_datalen = i_buf; + suc.suc_timeout = msecs2secs(i_timeout_ms); + if (ioctl(p_env->gen.fd, SCSIRAWCDB, &suc) == -1) + return(errno); + i_status = suc.suc_sus.sus_status; + +#if 0 + /* + * If the device returns a scsi sense error and debugging is enabled print + * some hopefully useful information on stderr. + */ + if (i_status && debug) + { + unsigned char *cp; + int i; + cp = suc.suc_sus.sus_sense; + fprintf(stderr,"i_status = %x cdb =", + i_status); + for (i = 0; i < cdblen; i++) + fprintf(stderr, " %x", cgc->cdb[i]); + fprintf(stderr, "\nsense ="); + for (i = 0; i < 16; i++) + fprintf(stderr, " %x", cp[i]); + fprintf(stderr, "\n"); + } +#endif + + /* + * HACK! Some drives return a silly "medium changed" on the first + * command AND a non-zero i_status which gets turned into a fatal + * (EIO) error even though the operation was a success. Retrying + * the operation clears the media changed status and gets the + * answer. */ + + sp = (struct scsi_sense *)&suc.suc_sus.sus_sense; + i_asc = XSENSE_ASC(sp); + if (i_status == STS_CHECKCOND && i_asc == 0x28) + goto again; +#if 0 + if (cgc->sus) + memcpy(cgc->sus, &suc.suc_sus, sizeof (struct scsi_user_sense)); +#endif + + return(i_status); +} + + + +/* Check a drive to see if it is a CD-ROM + Return 1 if a CD-ROM. 0 if it exists but isn't a CD-ROM drive + and -1 if no device exists . +*/ +static bool +cdio_is_cdrom(char *drive, char *mnttype) +{ + bool is_cd=false; + int cdfd; + struct cdrom_tochdr tochdr; + + /* If it doesn't exist, return -1 */ + if ( !cdio_is_device_quiet_generic(drive) ) { + return(false); + } + + /* If it does exist, verify that it's an available CD-ROM */ + cdfd = open(drive, (O_RDONLY|O_EXCL|O_NONBLOCK), 0); + + /* Should we want to test the condition in more detail: + ENOENT is the error for /dev/xxxxx does not exist; + ENODEV means there's no drive present. */ + + if ( cdfd >= 0 ) { + if ( ioctl(cdfd, CDROMREADTOCHDR, &tochdr) != -1 ) { + is_cd = true; + } + close(cdfd); + } + /* Even if we can't read it, it might be mounted */ + else if ( mnttype && (strcmp(mnttype, "cd9660") == 0) ) { + is_cd = true; + } + return(is_cd); +} + +/*! + Initialize CD device. + */ +static bool +_cdio_init (_img_private_t *p_env) +{ + if (p_env->gen.init) { + cdio_warn ("init called more than once"); + return false; + } + + p_env->gen.fd = open (p_env->gen.source_name, O_RDONLY, 0); + + if (p_env->gen.fd < 0) + { + cdio_warn ("open (%s): %s", p_env->gen.source_name, strerror (errno)); + return false; + } + + p_env->gen.init = true; + p_env->gen.toc_init = false; + return true; +} + +/* Read audio sectors +*/ +static int +_read_audio_sectors_bsdi (void *user_data, void *data, lsn_t lsn, + unsigned int nblocks) +{ + char buf[CDIO_CD_FRAMESIZE_RAW] = { 0, }; + struct cdrom_msf *msf = (struct cdrom_msf *) &buf; + msf_t _msf; + + _img_private_t *p_env = user_data; + + cdio_lba_to_msf (cdio_lsn_to_lba(lsn), &_msf); + msf->cdmsf_min0 = cdio_from_bcd8(_msf.m); + msf->cdmsf_sec0 = cdio_from_bcd8(_msf.s); + msf->cdmsf_frame0 = cdio_from_bcd8(_msf.f); + + if (p_env->gen.ioctls_debugged == 75) + cdio_debug ("only displaying every 75th ioctl from now on"); + + if (p_env->gen.ioctls_debugged == 30 * 75) + cdio_debug ("only displaying every 30*75th ioctl from now on"); + + if (p_env->gen.ioctls_debugged < 75 + || (p_env->gen.ioctls_debugged < (30 * 75) + && p_env->gen.ioctls_debugged % 75 == 0) + || p_env->gen.ioctls_debugged % (30 * 75) == 0) + cdio_debug ("reading %2.2d:%2.2d:%2.2d", + msf->cdmsf_min0, msf->cdmsf_sec0, msf->cdmsf_frame0); + + p_env->gen.ioctls_debugged++; + + switch (p_env->access_mode) { + case _AM_NONE: + cdio_warn ("no way to read audio"); + return 1; + break; + + case _AM_IOCTL: { + unsigned int i; + for (i=0; i < nblocks; i++) { + if (ioctl (p_env->gen.fd, CDROMREADRAW, &buf) == -1) { + perror ("ioctl()"); + return 1; + /* exit (EXIT_FAILURE); */ + } + memcpy (((char *)data) + (CDIO_CD_FRAMESIZE_RAW * i), buf, + CDIO_CD_FRAMESIZE_RAW); + } + break; + } + } + + return 0; +} + +/*! + Reads a single mode1 sector from cd device into data starting + from lsn. Returns 0 if no error. + */ +static int +_read_mode1_sector_bsdi (void *user_data, void *data, lsn_t lsn, + bool b_form2) +{ + +#if FIXED + char buf[M2RAW_SECTOR_SIZE] = { 0, }; + do something here. +#else + return cdio_generic_read_form1_sector(user_data, data, lsn); +#endif + return 0; +} + +/*! + Reads nblocks of mode2 sectors from cd device into data starting + from lsn. + Returns 0 if no error. + */ +static int +_read_mode1_sectors_bsdi (void *user_data, void *data, lsn_t lsn, + bool b_form2, unsigned int nblocks) +{ + _img_private_t *p_env = user_data; + unsigned int i; + int retval; + unsigned int blocksize = b_form2 ? M2RAW_SECTOR_SIZE : CDIO_CD_FRAMESIZE; + + for (i = 0; i < nblocks; i++) { + if ( (retval = _read_mode1_sector_bsdi (p_env, + ((char *)data) + (blocksize * i), + lsn + i, b_form2)) ) + return retval; + } + return 0; +} + +/*! + Reads a single mode2 sector from cd device into data starting + from lsn. Returns 0 if no error. + */ +static int +_read_mode2_sector_bsdi (void *user_data, void *data, lsn_t lsn, + bool b_form2) +{ + char buf[M2RAW_SECTOR_SIZE] = { 0, }; + struct cdrom_msf *msf = (struct cdrom_msf *) &buf; + msf_t _msf; + + _img_private_t *p_env = user_data; + + cdio_lba_to_msf (cdio_lsn_to_lba(lsn), &_msf); + msf->cdmsf_min0 = cdio_from_bcd8(_msf.m); + msf->cdmsf_sec0 = cdio_from_bcd8(_msf.s); + msf->cdmsf_frame0 = cdio_from_bcd8(_msf.f); + + if (p_env->gen.ioctls_debugged == 75) + cdio_debug ("only displaying every 75th ioctl from now on"); + + if (p_env->gen.ioctls_debugged == 30 * 75) + cdio_debug ("only displaying every 30*75th ioctl from now on"); + + if (p_env->gen.ioctls_debugged < 75 + || (p_env->gen.ioctls_debugged < (30 * 75) + && p_env->gen.ioctls_debugged % 75 == 0) + || p_env->gen.ioctls_debugged % (30 * 75) == 0) + cdio_debug ("reading %2.2d:%2.2d:%2.2d", + msf->cdmsf_min0, msf->cdmsf_sec0, msf->cdmsf_frame0); + + p_env->gen.ioctls_debugged++; + + switch (p_env->access_mode) + { + case _AM_NONE: + cdio_warn ("no way to read mode2"); + return 1; + break; + + case _AM_IOCTL: + if (ioctl (p_env->gen.fd, CDROMREADMODE2, &buf) == -1) + { + perror ("ioctl()"); + return 1; + /* exit (EXIT_FAILURE); */ + } + break; + } + + if (b_form2) + memcpy (data, buf, M2RAW_SECTOR_SIZE); + else + memcpy (((char *)data), buf + CDIO_CD_SUBHEADER_SIZE, CDIO_CD_FRAMESIZE); + + return 0; +} + +/*! + Reads nblocks of mode2 sectors from cd device into data starting + from lsn. + Returns 0 if no error. + */ +static int +_read_mode2_sectors_bsdi (void *user_data, void *data, lsn_t lsn, + bool b_form2, unsigned int nblocks) +{ + _img_private_t *p_env = user_data; + unsigned int i; + unsigned int i_blocksize = b_form2 ? M2RAW_SECTOR_SIZE : CDIO_CD_FRAMESIZE; + + /* For each frame, pick out the data part we need */ + for (i = 0; i < nblocks; i++) { + int retval = _read_mode2_sector_bsdi(p_env, + ((char *)data) + + (i_blocksize * i), + lsn + i, b_form2); + if (retval) return retval; + } + return 0; +} + +/*! + Return the size of the CD in logical block address (LBA) units. + */ +static uint32_t +_stat_size_bsdi (void *user_data) +{ + _img_private_t *p_env = user_data; + + struct cdrom_tocentry tocent; + uint32_t size; + + tocent.cdte_track = CDIO_CDROM_LEADOUT_TRACK; + tocent.cdte_format = CDROM_LBA; + if (ioctl (p_env->gen.fd, CDROMREADTOCENTRY, &tocent) == -1) + { + perror ("ioctl(CDROMREADTOCENTRY)"); + exit (EXIT_FAILURE); + } + + size = tocent.cdte_addr.lba; + + return size; +} + +/*! + Set the key "arg" to "value" in source device. +*/ +static int +_set_arg_bsdi (void *user_data, const char key[], const char value[]) +{ + _img_private_t *p_env = user_data; + + if (!strcmp (key, "source")) + { + if (!value) + return -2; + + free (p_env->gen.source_name); + + p_env->gen.source_name = strdup (value); + } + else if (!strcmp (key, "access-mode")) + { + if (!strcmp(value, "IOCTL")) + p_env->access_mode = _AM_IOCTL; + else + cdio_warn ("unknown access type: %s. ignored.", value); + } + else + return -1; + + return 0; +} + +/*! + Read and cache the CD's Track Table of Contents and track info. + Return false if successful or true if an error. +*/ +static bool +read_toc_bsdi (void *p_user_data) +{ + _img_private_t *p_env = p_user_data; + int i; + + /* read TOC header */ + if ( ioctl(p_env->gen.fd, CDROMREADTOCHDR, &p_env->tochdr) == -1 ) { + cdio_warn("%s: %s\n", + "error in ioctl CDROMREADTOCHDR", strerror(errno)); + return false; + } + + p_env->gen.i_first_track = p_env->tochdr.cdth_trk0; + p_env->gen.i_tracks = p_env->tochdr.cdth_trk1; + + /* read individual tracks */ + for (i= p_env->gen.i_first_track; i<=p_env->gen.i_tracks; i++) { + p_env->tocent[i-1].cdte_track = i; + p_env->tocent[i-1].cdte_format = CDROM_MSF; + if (ioctl(p_env->gen.fd, CDROMREADTOCENTRY, &p_env->tocent[i-1]) == -1) { + cdio_warn("%s %d: %s\n", + "error in ioctl CDROMREADTOCENTRY for track", + i, strerror(errno)); + return false; + } + /**** + struct cdrom_msf0 *msf= &p_env->tocent[i-1].cdte_addr.msf; + + fprintf (stdout, "--- track# %d (msf %2.2x:%2.2x:%2.2x)\n", + i, msf->minute, msf->second, msf->frame); + ****/ + + } + + /* read the lead-out track */ + p_env->tocent[p_env->gen.i_tracks].cdte_track = CDIO_CDROM_LEADOUT_TRACK; + p_env->tocent[p_env->gen.i_tracks].cdte_format = CDROM_MSF; + + if (ioctl(p_env->gen.fd, CDROMREADTOCENTRY, + &p_env->tocent[p_env->gen.i_tracks]) == -1 ) { + cdio_warn("%s: %s\n", + "error in ioctl CDROMREADTOCENTRY for lead-out", + strerror(errno)); + return false; + } + + /* + struct cdrom_msf0 *msf= &p_env->tocent[p_env->gen.i_tracks].cdte_addr.msf; + + fprintf (stdout, "--- track# %d (msf %2.2x:%2.2x:%2.2x)\n", + i, msf->minute, msf->second, msf->frame); + */ + + p_env->gen.toc_init = true; + return true; +} + +/*! + Eject media in CD drive. If successful, as a side effect we + also free obj. + */ +static int +_eject_media_bsdi (void *user_data) { + + _img_private_t *p_env = user_data; + int ret=2; + int status; + int fd; + + close(p_env->gen.fd); + p_env->gen.fd = -1; + if ((fd = open (p_env->gen.source_name, O_RDONLY|O_NONBLOCK)) > -1) { + if((status = ioctl(fd, CDROM_DRIVE_STATUS, (void *) CDSL_CURRENT)) > 0) { + switch(status) { + case CDS_TRAY_OPEN: + if((ret = ioctl(fd, CDROMCLOSETRAY, 0)) != 0) { + cdio_warn ("ioctl CDROMCLOSETRAY failed: %s\n", strerror(errno)); + } + break; + case CDS_DISC_OK: + if((ret = ioctl(fd, CDROMEJECT, 0)) != 0) { + cdio_warn("ioctl CDROMEJECT failed: %s\n", strerror(errno)); + } + break; + } + ret=0; + } else { + cdio_warn ("CDROM_DRIVE_STATUS failed: %s\n", strerror(errno)); + ret=1; + } + close(fd); + } + return 2; +} + +/*! + Return the value associated with the key "arg". +*/ +static const char * +_get_arg_bsdi (void *user_data, const char key[]) +{ + _img_private_t *p_env = user_data; + + if (!strcmp (key, "source")) { + return p_env->gen.source_name; + } else if (!strcmp (key, "access-mode")) { + switch (p_env->access_mode) { + case _AM_IOCTL: + return "ioctl"; + case _AM_NONE: + return "no access method"; + } + } + return NULL; +} + +/*! + Return the media catalog number MCN. + Note: string is malloc'd so caller should free() then returned + string when done with it. + */ +static char * +_get_mcn_bsdi (const void *user_data) { + + struct cdrom_mcn mcn; + const _img_private_t *p_env = user_data; + if (ioctl(p_env->gen.fd, CDROM_GET_MCN, &mcn) != 0) + return NULL; + return strdup(mcn.medium_catalog_number); +} + +/*! + Get format of track. +*/ +static track_format_t +get_track_format_bsdi(void *user_data, track_t i_track) +{ + _img_private_t *p_env = user_data; + + if (!p_env->gen.toc_init) read_toc_bsdi (p_env) ; + + if (i_track > p_env->gen.i_tracks || i_track == 0) + return TRACK_FORMAT_ERROR; + + i_track -= p_env->gen.i_first_track; + + /* This is pretty much copied from the "badly broken" cdrom_count_tracks + in linux/cdrom.c. + */ + if (p_env->tocent[i_track].cdte_ctrl & CDROM_DATA_TRACK) { + if (p_env->tocent[i_track].cdte_format == CDIO_CDROM_CDI_TRACK) + return TRACK_FORMAT_CDI; + else if (p_env->tocent[i_track].cdte_format == CDIO_CDROM_XA_TRACK) + return TRACK_FORMAT_XA; + else + return TRACK_FORMAT_DATA; + } else + return TRACK_FORMAT_AUDIO; + +} + +/*! + Return true if we have XA data (green, mode2 form1) or + XA data (green, mode2 form2). That is track begins: + sync - header - subheader + 12 4 - 8 + + FIXME: there's gotta be a better design for this and get_track_format? +*/ +static bool +_get_track_green_bsdi(void *user_data, track_t i_track) +{ + _img_private_t *p_env = user_data; + + if (!p_env->gen.toc_init) read_toc_bsdi (p_env) ; + + if (i_track == CDIO_CDROM_LEADOUT_TRACK) i_track = p_env->gen.i_tracks+1; + + if (i_track > p_env->gen.i_tracks+1 || i_track == 0) + return false; + + /* FIXME: Dunno if this is the right way, but it's what + I was using in cdinfo for a while. + */ + return ((p_env->tocent[i_track-1].cdte_ctrl & 2) != 0); +} + +/*! + Return the starting MSF (minutes/secs/frames) for track number + i_track in obj. Track numbers start at 1. + The "leadout" track is specified either by + using i_track LEADOUT_TRACK or the total tracks+1. + False is returned if there is no track entry. +*/ +static bool +_get_track_msf_bsdi(void *user_data, track_t i_track, msf_t *msf) +{ + _img_private_t *p_env = user_data; + + if (NULL == msf) return false; + + if (!p_env->gen.toc_init) read_toc_bsdi (p_env) ; + + if (i_track == CDIO_CDROM_LEADOUT_TRACK) i_track = p_env->gen.i_tracks+1; + + if (i_track > p_env->gen.i_tracks+1 || i_track == 0) { + return false; + } + + i_track -= p_env->gen.i_first_track; + + { + struct cdrom_msf0 *msf0= &p_env->tocent[i_track].cdte_addr.msf; + msf->m = cdio_to_bcd8(msf0->minute); + msf->s = cdio_to_bcd8(msf0->second); + msf->f = cdio_to_bcd8(msf0->frame); + return true; + } +} + +#endif /* HAVE_BSDI_CDROM */ + +/*! + Return an array of strings giving possible CD devices. + */ +char ** +cdio_get_devices_bsdi (void) +{ +#ifndef HAVE_BSDI_CDROM + return NULL; +#else + char drive[40]; + char **drives = NULL; + unsigned int num_drives=0; + bool exists=true; + char c; + + /* Scan the system for CD-ROM drives. + */ + +#ifdef USE_ETC_FSTAB + + struct fstab *fs; + setfsent(); + + /* Check what's in /etc/fstab... */ + while ( (fs = getfsent()) ) + { + if (strncmp(fs->fs_spec, "/dev/sr", 7)) + cdio_add_device_list(&drives, fs->fs_spec, &num_drives); + } + +#endif + + /* Scan the system for CD-ROM drives. + Not always 100% reliable, so use the USE_MNTENT code above first. + */ + for ( c='0'; exists && c <='9'; c++ ) { + sprintf(drive, "/dev/rsr%cc", c); + exists = cdio_is_cdrom(drive, NULL); + if ( exists ) { + cdio_add_device_list(&drives, drive, &num_drives); + } + } + cdio_add_device_list(&drives, NULL, &num_drives); + return drives; +#endif /*HAVE_BSDI_CDROM*/ +} + +/*! + Return a string containing the default CD device if none is specified. + */ +char * +cdio_get_default_device_bsdi(void) +{ + return strdup(DEFAULT_CDIO_DEVICE); +} + +/*! + Initialization routine. This is the only thing that doesn't + get called via a function pointer. In fact *we* are the + ones to set that up. + */ +CdIo * +cdio_open_am_bsdi (const char *psz_source_name, const char *psz_access_mode) +{ + if (psz_access_mode != NULL) + cdio_warn ("there is only one access mode for bsdi. Arg %s ignored", + psz_access_mode); + return cdio_open_bsdi(psz_source_name); +} + + +/*! + Initialization routine. This is the only thing that doesn't + get called via a function pointer. In fact *we* are the + ones to set that up. + */ +CdIo * +cdio_open_bsdi (const char *psz_orig_source) +{ + +#ifdef HAVE_BSDI_CDROM + CdIo *ret; + _img_private_t *_data; + char *psz_source; + + cdio_funcs _funcs = { + .eject_media = _eject_media_bsdi, + .free = cdio_generic_free, + .get_arg = _get_arg_bsdi, + .get_cdtext = get_cdtext_generic, + .get_default_device = cdio_get_default_device_bsdi, + .get_devices = cdio_get_devices_bsdi, + .get_drive_cap = scsi_mmc_get_drive_cap_generic, + .get_discmode = get_discmode_generic, + .get_first_track_num= get_first_track_num_generic, + .get_hwinfo = NULL, + .get_mcn = _get_mcn_bsdi, + .get_num_tracks = get_num_tracks_generic, + .get_track_format = get_track_format_bsdi, + .get_track_green = _get_track_green_bsdi, + .get_track_lba = NULL, /* This could be implemented if need be. */ + .get_track_msf = _get_track_msf_bsdi, + .lseek = cdio_generic_lseek, + .read = cdio_generic_read, + .read_audio_sectors = _read_audio_sectors_bsdi, + .read_mode1_sector = _read_mode1_sector_bsdi, + .read_mode1_sectors = _read_mode1_sectors_bsdi, + .read_mode2_sector = _read_mode2_sector_bsdi, + .read_mode2_sectors = _read_mode2_sectors_bsdi, + .read_toc = &read_toc_bsdi, + .run_scsi_mmc_cmd = &run_scsi_cmd_bsdi, + .set_arg = _set_arg_bsdi, + .stat_size = _stat_size_bsdi + }; + + _data = _cdio_malloc (sizeof (_img_private_t)); + _data->access_mode = _AM_IOCTL; + _data->gen.init = false; + _data->gen.fd = -1; + _data->gen.toc_init = false; + _data->gen.b_cdtext_init = false; + _data->gen.b_cdtext_error = false; + + if (NULL == psz_orig_source) { + psz_source=cdio_get_default_device_linux(); + if (NULL == psz_source) return NULL; + _set_arg_bsdi(_data, "source", psz_source); + free(psz_source); + } else { + if (cdio_is_device_generic(psz_orig_source)) + _set_arg_bsdi(_data, "source", psz_orig_source); + else { + /* The below would be okay if all device drivers worked this way. */ +#if 0 + cdio_info ("source %s is not a device", psz_orig_source); +#endif + return NULL; + } + } + + ret = cdio_new ( (void *) _data, &_funcs); + if (ret == NULL) return NULL; + + if (_cdio_init(_data)) + return ret; + else { + cdio_generic_free (_data); + return NULL; + } + +#else + return NULL; +#endif /* HAVE_BSDI_CDROM */ + +} + +bool +cdio_have_bsdi (void) +{ +#ifdef HAVE_BSDI_CDROM + return true; +#else + return false; +#endif /* HAVE_BSDI_CDROM */ +} |