linux_cdrom.c revision 1.27.2.2
1 /* $NetBSD: linux_cdrom.c,v 1.27.2.2 2008/05/14 01:35:04 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 1.27.2.2 2008/05/14 01:35:04 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/syscallargs.h> 44 45 #include <compat/linux/common/linux_types.h> 46 #include <compat/linux/common/linux_ioctl.h> 47 #include <compat/linux/common/linux_signal.h> 48 #include <compat/linux/common/linux_util.h> 49 #include <compat/linux/common/linux_ipc.h> 50 #include <compat/linux/common/linux_sem.h> 51 #include <compat/linux/common/linux_cdrom.h> 52 53 #include <compat/linux/linux_syscallargs.h> 54 55 static int bsd_to_linux_msf_lba(unsigned address_format, union msf_lba *bml, 56 union linux_cdrom_addr *llml); 57 58 #if DEBUG_LINUX 59 #define DPRINTF(x) uprintf x 60 #else 61 #define DPRINTF(x) 62 #endif 63 64 /* 65 * XXX from dev/scsipi/cd.c 66 */ 67 #define MAXTRACK 99 68 69 static int 70 bsd_to_linux_msf_lba(unsigned address_format, union msf_lba *bml, 71 union linux_cdrom_addr *llml) 72 { 73 switch (address_format) { 74 case CD_LBA_FORMAT: 75 llml->lba = bml->lba; 76 break; 77 case CD_MSF_FORMAT: 78 llml->msf.minute = bml->msf.minute; 79 llml->msf.second = bml->msf.second; 80 llml->msf.frame = bml->msf.frame; 81 break; 82 default: 83 return -1; 84 } 85 return 0; 86 } 87 88 int 89 linux_ioctl_cdrom(struct lwp *l, const struct linux_sys_ioctl_args *uap, register_t *retval) 90 { 91 /* { 92 syscallarg(int) fd; 93 syscallarg(u_long) com; 94 syscallarg(void *) data; 95 } */ 96 int error, idata; 97 u_long com, ncom; 98 file_t *fp; 99 int (*ioctlf)(file_t *, u_long, void *); 100 101 union { 102 struct linux_cdrom_blk ll_blk; 103 struct linux_cdrom_msf ll_msf; 104 struct linux_cdrom_ti ll_ti; 105 struct linux_cdrom_tochdr ll_tochdr; 106 struct linux_cdrom_tocentry ll_tocentry; 107 struct linux_cdrom_subchnl ll_subchnl; 108 struct linux_cdrom_volctrl ll_volctrl; 109 struct linux_cdrom_multisession ll_session; 110 dvd_struct ll_ds; 111 dvd_authinfo ll_dai; 112 } *u1; 113 114 #define l_blk u1->ll_blk 115 #define l_msf u1->ll_msf 116 #define l_ti u1->ll_ti 117 #define l_tochdr u1->ll_tochdr 118 #define l_tocentry u1->ll_tocentry 119 #define l_subchnl u1->ll_subchnl 120 #define l_volctrl u1->ll_volctrl 121 #define l_session u1->ll_session 122 #define ds u1->ll_ds 123 #define dai u1->ll_dai 124 125 union { 126 struct ioc_play_blocks tt_blocks; 127 struct ioc_play_msf tt_msf; 128 struct ioc_play_track tt_track; 129 struct ioc_toc_header tt_header; 130 struct ioc_read_toc_entry_buf tt_toc_entry; 131 struct ioc_read_subchannel_buf tt_subchannel; 132 struct ioc_vol tt_vol; 133 } *u2; 134 135 #define t_blocks u2->tt_blocks 136 #define t_msf u2->tt_msf 137 #define t_track u2->tt_track 138 #define t_header u2->tt_header 139 #define t_toc_entry u2->tt_toc_entry 140 #define t_subchannel u2->tt_subchannel 141 #define t_vol u2->tt_vol 142 143 struct cd_toc_entry *entry; 144 145 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 146 return (EBADF); 147 148 com = SCARG(uap, com); 149 ioctlf = fp->f_ops->fo_ioctl; 150 retval[0] = error = 0; 151 152 u1 = malloc(sizeof(*u1), M_TEMP, M_WAITOK); 153 u2 = malloc(sizeof(*u2), M_TEMP, M_WAITOK); 154 155 switch(com) { 156 case LINUX_CDROMPLAYMSF: 157 error = copyin(SCARG(uap, data), &l_msf, sizeof l_msf); 158 if (error) 159 break; 160 161 t_msf.start_m = l_msf.cdmsf_min0; 162 t_msf.start_s = l_msf.cdmsf_sec0; 163 t_msf.start_f = l_msf.cdmsf_frame0; 164 t_msf.end_m = l_msf.cdmsf_min1; 165 t_msf.end_s = l_msf.cdmsf_sec1; 166 t_msf.end_f = l_msf.cdmsf_frame1; 167 168 error = ioctlf(fp, CDIOCPLAYMSF, &t_msf); 169 break; 170 171 case LINUX_CDROMPLAYTRKIND: 172 error = copyin(SCARG(uap, data), &l_ti, sizeof l_ti); 173 if (error) 174 break; 175 176 t_track.start_track = l_ti.cdti_trk0; 177 t_track.start_index = l_ti.cdti_ind0; 178 t_track.end_track = l_ti.cdti_trk1; 179 t_track.end_index = l_ti.cdti_ind1; 180 181 error = ioctlf(fp, CDIOCPLAYTRACKS, &t_track); 182 break; 183 184 case LINUX_CDROMREADTOCHDR: 185 error = ioctlf(fp, CDIOREADTOCHEADER, &t_header); 186 if (error) 187 break; 188 189 l_tochdr.cdth_trk0 = t_header.starting_track; 190 l_tochdr.cdth_trk1 = t_header.ending_track; 191 192 error = copyout(&l_tochdr, SCARG(uap, data), sizeof l_tochdr); 193 break; 194 195 case LINUX_CDROMREADTOCENTRY: 196 error = copyin(SCARG(uap, data), &l_tocentry, 197 sizeof l_tocentry); 198 if (error) 199 break; 200 201 t_toc_entry.req.address_format = l_tocentry.cdte_format; 202 t_toc_entry.req.starting_track = l_tocentry.cdte_track; 203 t_toc_entry.req.data_len = sizeof *entry; 204 t_toc_entry.req.data = NULL; 205 206 error = ioctlf(fp, CDIOREADTOCENTRIES_BUF, &t_toc_entry); 207 if (error) 208 break; 209 210 l_tocentry.cdte_adr = t_toc_entry.entry[0].addr_type; 211 l_tocentry.cdte_ctrl = t_toc_entry.entry[0].control; 212 if (bsd_to_linux_msf_lba(t_toc_entry.entry[0].addr_type, 213 &t_toc_entry.entry[0].addr, &l_tocentry.cdte_addr) < 0) { 214 DPRINTF(("linux_ioctl: unknown format msf/lba\n")); 215 error = EINVAL; 216 break; 217 } 218 219 error = copyout(&l_tocentry, SCARG(uap, data), 220 sizeof l_tocentry); 221 break; 222 223 case LINUX_CDROMVOLCTRL: 224 error = copyin(SCARG(uap, data), &l_volctrl, sizeof l_volctrl); 225 if (error) 226 break; 227 228 t_vol.vol[0] = l_volctrl.channel0; 229 t_vol.vol[1] = l_volctrl.channel1; 230 t_vol.vol[2] = l_volctrl.channel2; 231 t_vol.vol[3] = l_volctrl.channel3; 232 233 error = ioctlf(fp, CDIOCSETVOL, &t_vol); 234 break; 235 236 case LINUX_CDROMVOLREAD: 237 error = ioctlf(fp, CDIOCGETVOL, &t_vol); 238 if (error) 239 break; 240 241 l_volctrl.channel0 = t_vol.vol[0]; 242 l_volctrl.channel1 = t_vol.vol[1]; 243 l_volctrl.channel2 = t_vol.vol[2]; 244 l_volctrl.channel3 = t_vol.vol[3]; 245 246 error = copyout(&l_volctrl, SCARG(uap, data), sizeof l_volctrl); 247 break; 248 249 case LINUX_CDROMSUBCHNL: 250 error = copyin(SCARG(uap, data), &l_subchnl, sizeof l_subchnl); 251 if (error) 252 break; 253 254 t_subchannel.req.address_format = CD_MSF_FORMAT; 255 t_subchannel.req.track = 0; 256 t_subchannel.req.data_format = l_subchnl.cdsc_format; 257 t_subchannel.req.data_len = sizeof t_subchannel.info; 258 t_subchannel.req.data = NULL; 259 DPRINTF(("linux_ioctl: CDROMSUBCHNL %d %d\n", 260 l_subchnl.cdsc_format, l_subchnl.cdsc_trk)); 261 262 error = ioctlf(fp, CDIOCREADSUBCHANNEL_BUF, &t_subchannel); 263 if (error) 264 break; 265 266 l_subchnl.cdsc_audiostatus = t_subchannel.info.header.audio_status; 267 l_subchnl.cdsc_adr = t_subchannel.info.what.position.addr_type; 268 l_subchnl.cdsc_ctrl = t_subchannel.info.what.position.control; 269 l_subchnl.cdsc_ind = t_subchannel.info.what.position.index_number; 270 271 DPRINTF(("linux_ioctl: CDIOCREADSUBCHANNEL %d %d %d\n", 272 t_subchannel.info.header.audio_status, 273 t_subchannel.info.header.data_len[0], 274 t_subchannel.info.header.data_len[1])); 275 DPRINTF(("(more) %d %d %d %d %d\n", 276 t_subchannel.info.what.position.data_format, 277 t_subchannel.info.what.position.control, 278 t_subchannel.info.what.position.addr_type, 279 t_subchannel.info.what.position.track_number, 280 t_subchannel.info.what.position.index_number)); 281 282 if (bsd_to_linux_msf_lba(t_subchannel.req.address_format, 283 &t_subchannel.info.what.position.absaddr, 284 &l_subchnl.cdsc_absaddr) < 0 || 285 bsd_to_linux_msf_lba(t_subchannel.req.address_format, 286 &t_subchannel.info.what.position.reladdr, 287 &l_subchnl.cdsc_reladdr) < 0) { 288 DPRINTF(("linux_ioctl: unknown format msf/lba\n")); 289 error = EINVAL; 290 break; 291 } 292 293 error = copyout(&l_subchnl, SCARG(uap, data), sizeof l_subchnl); 294 break; 295 296 case LINUX_CDROMPLAYBLK: 297 error = copyin(SCARG(uap, data), &l_blk, sizeof l_blk); 298 if (error) 299 break; 300 301 t_blocks.blk = l_blk.from; 302 t_blocks.len = l_blk.len; 303 304 error = ioctlf(fp, CDIOCPLAYBLOCKS, &t_blocks); 305 break; 306 307 case LINUX_CDROMEJECT_SW: 308 error = copyin(SCARG(uap, data), &idata, sizeof idata); 309 if (error) 310 break; 311 312 if (idata == 1) 313 ncom = CDIOCALLOW; 314 else 315 ncom = CDIOCPREVENT; 316 error = ioctlf(fp, ncom, NULL); 317 break; 318 319 case LINUX_CDROMPAUSE: 320 error = ioctlf(fp, CDIOCPAUSE, NULL); 321 break; 322 323 case LINUX_CDROMRESUME: 324 error = ioctlf(fp, CDIOCRESUME, NULL); 325 break; 326 327 case LINUX_CDROMSTOP: 328 error = ioctlf(fp, CDIOCSTOP, NULL); 329 break; 330 331 case LINUX_CDROMSTART: 332 error = ioctlf(fp, CDIOCSTART, NULL); 333 break; 334 335 case LINUX_CDROMEJECT: 336 error = ioctlf(fp, CDIOCEJECT, NULL); 337 break; 338 339 case LINUX_CDROMRESET: 340 error = ioctlf(fp, CDIOCRESET, NULL); 341 break; 342 343 case LINUX_CDROMMULTISESSION: 344 error = copyin(SCARG(uap, data), &l_session, sizeof l_session); 345 if (error) 346 break; 347 348 error = ioctlf(fp, CDIOREADTOCHEADER, &t_header); 349 if (error) 350 break; 351 352 t_toc_entry.req.address_format = l_session.addr_format; 353 t_toc_entry.req.starting_track = 0; 354 t_toc_entry.req.data_len = sizeof t_toc_entry.entry; 355 t_toc_entry.req.data = NULL; 356 357 error = ioctlf(fp, CDIOREADTOCENTRIES_BUF, &t_toc_entry); 358 if (error) 359 break; 360 361 if (bsd_to_linux_msf_lba(l_session.addr_format, 362 &t_toc_entry.entry[0].addr, &l_session.addr) < 0) { 363 error = EINVAL; 364 break; 365 } 366 367 l_session.xa_flag = 368 t_header.starting_track != t_header.ending_track; 369 370 error = copyout(&l_session, SCARG(uap, data), sizeof l_session); 371 break; 372 373 case LINUX_CDROMCLOSETRAY: 374 error = ioctlf(fp, CDIOCCLOSE, NULL); 375 break; 376 377 case LINUX_CDROM_LOCKDOOR: 378 ncom = SCARG(uap, data) != 0 ? CDIOCPREVENT : CDIOCALLOW; 379 error = ioctlf(fp, ncom, NULL); 380 break; 381 382 case LINUX_CDROM_SET_OPTIONS: 383 case LINUX_CDROM_CLEAR_OPTIONS: 384 /* whatever you say */ 385 break; 386 387 case LINUX_CDROM_DEBUG: 388 ncom = SCARG(uap, data) != 0 ? CDIOCSETDEBUG : CDIOCCLRDEBUG; 389 error = ioctlf(fp, ncom, NULL); 390 break; 391 392 case LINUX_CDROM_SELECT_SPEED: 393 case LINUX_CDROM_SELECT_DISC: 394 case LINUX_CDROM_MEDIA_CHANGED: 395 case LINUX_CDROM_DRIVE_STATUS: 396 case LINUX_CDROM_DISC_STATUS: 397 case LINUX_CDROM_CHANGER_NSLOTS: 398 case LINUX_CDROM_GET_CAPABILITY: 399 error = ENOSYS; 400 break; 401 402 case LINUX_DVD_READ_STRUCT: 403 error = copyin(SCARG(uap, data), &ds, sizeof ds); 404 if (error) 405 break; 406 error = ioctlf(fp, DVD_READ_STRUCT, &ds); 407 if (error) 408 break; 409 error = copyout(&ds, SCARG(uap, data), sizeof ds); 410 break; 411 412 case LINUX_DVD_WRITE_STRUCT: 413 error = copyin(SCARG(uap, data), &ds, sizeof ds); 414 if (error) 415 break; 416 error = ioctlf(fp, DVD_WRITE_STRUCT, &ds); 417 if (error) 418 break; 419 error = copyout(&ds, SCARG(uap, data), sizeof ds); 420 break; 421 422 case LINUX_DVD_AUTH: 423 error = copyin(SCARG(uap, data), &dai, sizeof dai); 424 if (error) 425 break; 426 error = ioctlf(fp, DVD_AUTH, &dai); 427 if (error) 428 break; 429 error = copyout(&dai, SCARG(uap, data), sizeof dai); 430 break; 431 432 433 default: 434 DPRINTF(("linux_ioctl: unimplemented ioctl %08lx\n", com)); 435 error = EINVAL; 436 } 437 438 fd_putfile(SCARG(uap, fd)); 439 free(u1, M_TEMP); 440 free(u2, M_TEMP); 441 return error; 442 } 443
Indexes created Fri Sep 26 20:09:58 GMT 2025