| 1 | /* $NetBSD: linux_cdrom.c,v 1.27 2008/04/28 20:23:43 martin 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 2008/04/28 20:23:43 martin 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 ; |
| 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 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 | |