linux_cdrom.c revision 1.27.2.1
1 /* $NetBSD: linux_cdrom.c,v 1.27.2.1 2008/05/10 23:48:55 wrstuden Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: linux_cdrom.c,v 1.27.2.1 2008/05/10 23:48:55 wrstuden Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/ioctl.h> 35 #include <sys/file.h> 36 #include <sys/filedesc.h> 37 #include <sys/mount.h> 38 #include <sys/proc.h> 39 #include <sys/cdio.h> 40 #include <sys/dvdio.h> 41 #include <sys/malloc.h> 42 43 #include <sys/sa.h> 44 #include <sys/syscallargs.h> 45 46 #include <compat/linux/common/linux_types.h> 47 #include <compat/linux/common/linux_ioctl.h> 48 #include <compat/linux/common/linux_signal.h> 49 #include <compat/linux/common/linux_util.h> 50 #include <compat/linux/common/linux_ipc.h> 51 #include <compat/linux/common/linux_sem.h> 52 #include <compat/linux/common/linux_cdrom.h> 53 54 #include <compat/linux/linux_syscallargs.h> 55 56 static int bsd_to_linux_msf_lba(unsigned address_format, union msf_lba *bml, 57 union linux_cdrom_addr *llml); 58 59 #if DEBUG_LINUX 60 #define DPRINTF(x) uprintf x 61 #else 62 #define DPRINTF(x) 63 #endif 64 65 /* 66 * XXX from dev/scsipi/cd.c 67 */ 68 #define MAXTRACK 99 69 70 static int 71 bsd_to_linux_msf_lba(unsigned address_format, union msf_lba *bml, 72 union linux_cdrom_addr *llml) 73 { 74 switch (address_format) { 75 case CD_LBA_FORMAT: 76 llml->lba = bml->lba; 77 break; 78 case CD_MSF_FORMAT: 79 llml->msf.minute = bml->msf.minute; 80 llml->msf.second = bml->msf.second; 81 llml->msf.frame = bml->msf.frame; 82 break; 83 default: 84 return -1; 85 } 86 return 0; 87 } 88 89 int 90 linux_ioctl_cdrom(struct lwp *l, const struct linux_sys_ioctl_args *uap, register_t *retval) 91 { 92 /* { 93 syscallarg(int) fd; 94 syscallarg(u_long) com; 95 syscallarg(void *) data; 96 } */ 97 int error, idata; 98 u_long com, ncom; 99 file_t *fp; 100 int (*ioctlf)(file_t *, u_long, void *); 101 102 union { 103 struct linux_cdrom_blk ll_blk; 104 struct linux_cdrom_msf ll_msf; 105 struct linux_cdrom_ti ll_ti; 106 struct linux_cdrom_tochdr ll_tochdr; 107 struct linux_cdrom_tocentry ll_tocentry; 108 struct linux_cdrom_subchnl ll_subchnl; 109 struct linux_cdrom_volctrl ll_volctrl; 110 struct linux_cdrom_multisession ll_session; 111 dvd_struct ll_ds; 112 dvd_authinfo ll_dai; 113 } *u1; 114 115 #define l_blk u1->ll_blk 116 #define l_msf u1->ll_msf 117 #define l_ti u1->ll_ti 118 #define l_tochdr u1->ll_tochdr 119 #define l_tocentry u1->ll_tocentry 120 #define l_subchnl u1->ll_subchnl 121 #define l_volctrl u1->ll_volctrl 122 #define l_session u1->ll_session 123 #define ds u1->ll_ds 124 #define dai u1->ll_dai 125 126 union { 127 struct ioc_play_blocks tt_blocks; 128 struct ioc_play_msf tt_msf; 129 struct ioc_play_track tt_track; 130 struct ioc_toc_header tt_header; 131 struct ioc_read_toc_entry_buf tt_toc_entry; 132 struct ioc_read_subchannel_buf tt_subchannel; 133 struct ioc_vol tt_vol; 134 } *u2; 135 136 #define t_blocks u2->tt_blocks 137 #define t_msf u2->tt_msf 138 #define t_track u2->tt_track 139 #define t_header u2->tt_header 140 #define t_toc_entry u2->tt_toc_entry 141 #define t_subchannel u2->tt_subchannel 142 #define t_vol u2->tt_vol 143 144 struct cd_toc_entry *entry; 145 146 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 147 return (EBADF); 148 149 com = SCARG(uap, com); 150 ioctlf = fp->f_ops->fo_ioctl; 151 retval[0] = error = 0; 152 153 u1 = malloc(sizeof(*u1), M_TEMP, M_WAITOK); 154 u2 = malloc(sizeof(*u2), M_TEMP, M_WAITOK); 155 156 switch(com) { 157 case LINUX_CDROMPLAYMSF: 158 error = copyin(SCARG(uap, data), &l_msf, sizeof l_msf); 159 if (error) 160 break; 161 162 t_msf.start_m = l_msf.cdmsf_min0; 163 t_msf.start_s = l_msf.cdmsf_sec0; 164 t_msf.start_f = l_msf.cdmsf_frame0; 165 t_msf.end_m = l_msf.cdmsf_min1; 166 t_msf.end_s = l_msf.cdmsf_sec1; 167 t_msf.end_f = l_msf.cdmsf_frame1; 168 169 error = ioctlf(fp, CDIOCPLAYMSF, &t_msf); 170 break; 171 172 case LINUX_CDROMPLAYTRKIND: 173 error = copyin(SCARG(uap, data), &l_ti, sizeof l_ti); 174 if (error) 175 break; 176 177 t_track.start_track = l_ti.cdti_trk0; 178 t_track.start_index = l_ti.cdti_ind0; 179 t_track.end_track = l_ti.cdti_trk1; 180 t_track.end_index = l_ti.cdti_ind1; 181 182 error = ioctlf(fp, CDIOCPLAYTRACKS, &t_track); 183 break; 184 185 case LINUX_CDROMREADTOCHDR: 186 error = ioctlf(fp, CDIOREADTOCHEADER, &t_header); 187 if (error) 188 break; 189 190 l_tochdr.cdth_trk0 = t_header.starting_track; 191 l_tochdr.cdth_trk1 = t_header.ending_track; 192 193 error = copyout(&l_tochdr, SCARG(uap, data), sizeof l_tochdr); 194 break; 195 196 case LINUX_CDROMREADTOCENTRY: 197 error = copyin(SCARG(uap, data), &l_tocentry, 198 sizeof l_tocentry); 199 if (error) 200 break; 201 202 t_toc_entry.req.address_format = l_tocentry.cdte_format; 203 t_toc_entry.req.starting_track = l_tocentry.cdte_track; 204 t_toc_entry.req.data_len = sizeof *entry; 205 t_toc_entry.req.data = NULL; 206 207 error = ioctlf(fp, CDIOREADTOCENTRIES_BUF, &t_toc_entry); 208 if (error) 209 break; 210 211 l_tocentry.cdte_adr = t_toc_entry.entry[0].addr_type; 212 l_tocentry.cdte_ctrl = t_toc_entry.entry[0].control; 213 if (bsd_to_linux_msf_lba(t_toc_entry.entry[0].addr_type, 214 &t_toc_entry.entry[0].addr, &l_tocentry.cdte_addr) < 0) { 215 DPRINTF(("linux_ioctl: unknown format msf/lba\n")); 216 error = EINVAL; 217 break; 218 } 219 220 error = copyout(&l_tocentry, SCARG(uap, data), 221 sizeof l_tocentry); 222 break; 223 224 case LINUX_CDROMVOLCTRL: 225 error = copyin(SCARG(uap, data), &l_volctrl, sizeof l_volctrl); 226 if (error) 227 break; 228 229 t_vol.vol[0] = l_volctrl.channel0; 230 t_vol.vol[1] = l_volctrl.channel1; 231 t_vol.vol[2] = l_volctrl.channel2; 232 t_vol.vol[3] = l_volctrl.channel3; 233 234 error = ioctlf(fp, CDIOCSETVOL, &t_vol); 235 break; 236 237 case LINUX_CDROMVOLREAD: 238 error = ioctlf(fp, CDIOCGETVOL, &t_vol); 239 if (error) 240 break; 241 242 l_volctrl.channel0 = t_vol.vol[0]; 243 l_volctrl.channel1 = t_vol.vol[1]; 244 l_volctrl.channel2 = t_vol.vol[2]; 245 l_volctrl.channel3 = t_vol.vol[3]; 246 247 error = copyout(&l_volctrl, SCARG(uap, data), sizeof l_volctrl); 248 break; 249 250 case LINUX_CDROMSUBCHNL: 251 error = copyin(SCARG(uap, data), &l_subchnl, sizeof l_subchnl); 252 if (error) 253 break; 254 255 t_subchannel.req.address_format = CD_MSF_FORMAT; 256 t_subchannel.req.track = 0; 257 t_subchannel.req.data_format = l_subchnl.cdsc_format; 258 t_subchannel.req.data_len = sizeof t_subchannel.info; 259 t_subchannel.req.data = NULL; 260 DPRINTF(("linux_ioctl: CDROMSUBCHNL %d %d\n", 261 l_subchnl.cdsc_format, l_subchnl.cdsc_trk)); 262 263 error = ioctlf(fp, CDIOCREADSUBCHANNEL_BUF, &t_subchannel); 264 if (error) 265 break; 266 267 l_subchnl.cdsc_audiostatus = t_subchannel.info.header.audio_status; 268 l_subchnl.cdsc_adr = t_subchannel.info.what.position.addr_type; 269 l_subchnl.cdsc_ctrl = t_subchannel.info.what.position.control; 270 l_subchnl.cdsc_ind = t_subchannel.info.what.position.index_number; 271 272 DPRINTF(("linux_ioctl: CDIOCREADSUBCHANNEL %d %d %d\n", 273 t_subchannel.info.header.audio_status, 274 t_subchannel.info.header.data_len[0], 275 t_subchannel.info.header.data_len[1])); 276 DPRINTF(("(more) %d %d %d %d %d\n", 277 t_subchannel.info.what.position.data_format, 278 t_subchannel.info.what.position.control, 279 t_subchannel.info.what.position.addr_type, 280 t_subchannel.info.what.position.track_number, 281 t_subchannel.info.what.position.index_number)); 282 283 if (bsd_to_linux_msf_lba(t_subchannel.req.address_format, 284 &t_subchannel.info.what.position.absaddr, 285 &l_subchnl.cdsc_absaddr) < 0 || 286 bsd_to_linux_msf_lba(t_subchannel.req.address_format, 287 &t_subchannel.info.what.position.reladdr, 288 &l_subchnl.cdsc_reladdr) < 0) { 289 DPRINTF(("linux_ioctl: unknown format msf/lba\n")); 290 error = EINVAL; 291 break; 292 } 293 294 error = copyout(&l_subchnl, SCARG(uap, data), sizeof l_subchnl); 295 break; 296 297 case LINUX_CDROMPLAYBLK: 298 error = copyin(SCARG(uap, data), &l_blk, sizeof l_blk); 299 if (error) 300 break; 301 302 t_blocks.blk = l_blk.from; 303 t_blocks.len = l_blk.len; 304 305 error = ioctlf(fp, CDIOCPLAYBLOCKS, &t_blocks); 306 break; 307 308 case LINUX_CDROMEJECT_SW: 309 error = copyin(SCARG(uap, data), &idata, sizeof idata); 310 if (error) 311 break; 312 313 if (idata == 1) 314 ncom = CDIOCALLOW; 315 else 316 ncom = CDIOCPREVENT; 317 error = ioctlf(fp, ncom, NULL); 318 break; 319 320 case LINUX_CDROMPAUSE: 321 error = ioctlf(fp, CDIOCPAUSE, NULL); 322 break; 323 324 case LINUX_CDROMRESUME: 325 error = ioctlf(fp, CDIOCRESUME, NULL); 326 break; 327 328 case LINUX_CDROMSTOP: 329 error = ioctlf(fp, CDIOCSTOP, NULL); 330 break; 331 332 case LINUX_CDROMSTART: 333 error = ioctlf(fp, CDIOCSTART, NULL); 334 break; 335 336 case LINUX_CDROMEJECT: 337 error = ioctlf(fp, CDIOCEJECT, NULL); 338 break; 339 340 case LINUX_CDROMRESET: 341 error = ioctlf(fp, CDIOCRESET, NULL); 342 break; 343 344 case LINUX_CDROMMULTISESSION: 345 error = copyin(SCARG(uap, data), &l_session, sizeof l_session); 346 if (error) 347 break; 348 349 error = ioctlf(fp, CDIOREADTOCHEADER, &t_header); 350 if (error) 351 break; 352 353 t_toc_entry.req.address_format = l_session.addr_format; 354 t_toc_entry.req.starting_track = 0; 355 t_toc_entry.req.data_len = sizeof t_toc_entry.entry; 356 t_toc_entry.req.data = NULL; 357 358 error = ioctlf(fp, CDIOREADTOCENTRIES_BUF, &t_toc_entry); 359 if (error) 360 break; 361 362 if (bsd_to_linux_msf_lba(l_session.addr_format, 363 &t_toc_entry.entry[0].addr, &l_session.addr) < 0) { 364 error = EINVAL; 365 break; 366 } 367 368 l_session.xa_flag = 369 t_header.starting_track != t_header.ending_track; 370 371 error = copyout(&l_session, SCARG(uap, data), sizeof l_session); 372 break; 373 374 case LINUX_CDROMCLOSETRAY: 375 error = ioctlf(fp, CDIOCCLOSE, NULL); 376 break; 377 378 case LINUX_CDROM_LOCKDOOR: 379 ncom = SCARG(uap, data) != 0 ? CDIOCPREVENT : CDIOCALLOW; 380 error = ioctlf(fp, ncom, NULL); 381 break; 382 383 case LINUX_CDROM_SET_OPTIONS: 384 case LINUX_CDROM_CLEAR_OPTIONS: 385 /* whatever you say */ 386 break; 387 388 case LINUX_CDROM_DEBUG: 389 ncom = SCARG(uap, data) != 0 ? CDIOCSETDEBUG : CDIOCCLRDEBUG; 390 error = ioctlf(fp, ncom, NULL); 391 break; 392 393 case LINUX_CDROM_SELECT_SPEED: 394 case LINUX_CDROM_SELECT_DISC: 395 case LINUX_CDROM_MEDIA_CHANGED: 396 case LINUX_CDROM_DRIVE_STATUS: 397 case LINUX_CDROM_DISC_STATUS: 398 case LINUX_CDROM_CHANGER_NSLOTS: 399 case LINUX_CDROM_GET_CAPABILITY: 400 error = ENOSYS; 401 break; 402 403 case LINUX_DVD_READ_STRUCT: 404 error = copyin(SCARG(uap, data), &ds, sizeof ds); 405 if (error) 406 break; 407 error = ioctlf(fp, DVD_READ_STRUCT, &ds); 408 if (error) 409 break; 410 error = copyout(&ds, SCARG(uap, data), sizeof ds); 411 break; 412 413 case LINUX_DVD_WRITE_STRUCT: 414 error = copyin(SCARG(uap, data), &ds, sizeof ds); 415 if (error) 416 break; 417 error = ioctlf(fp, DVD_WRITE_STRUCT, &ds); 418 if (error) 419 break; 420 error = copyout(&ds, SCARG(uap, data), sizeof ds); 421 break; 422 423 case LINUX_DVD_AUTH: 424 error = copyin(SCARG(uap, data), &dai, sizeof dai); 425 if (error) 426 break; 427 error = ioctlf(fp, DVD_AUTH, &dai); 428 if (error) 429 break; 430 error = copyout(&dai, SCARG(uap, data), sizeof dai); 431 break; 432 433 434 default: 435 DPRINTF(("linux_ioctl: unimplemented ioctl %08lx\n", com)); 436 error = EINVAL; 437 } 438 439 fd_putfile(SCARG(uap, fd)); 440 free(u1, M_TEMP); 441 free(u2, M_TEMP); 442 return error; 443 } 444
Indexes created Fri Sep 26 08:10:20 GMT 2025