netbsd32_ioctl.c revision 1.8.2.6
1 /* $NetBSD: netbsd32_ioctl.c,v 1.8.2.6 2002/05/29 21:32:49 nathanw Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 2001 Matthew R. Green 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 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 /* 32 * handle ioctl conversions from netbsd32 -> 64-bit kernel 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: netbsd32_ioctl.c,v 1.8.2.6 2002/05/29 21:32:49 nathanw Exp $"); 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/filedesc.h> 41 #include <sys/ioctl.h> 42 #include <sys/file.h> 43 #include <sys/proc.h> 44 #include <sys/socketvar.h> 45 #include <sys/audioio.h> 46 #include <sys/disklabel.h> 47 #include <sys/dkio.h> 48 #include <sys/malloc.h> 49 #include <sys/proc.h> 50 #include <sys/sockio.h> 51 #include <sys/socket.h> 52 #include <sys/ttycom.h> 53 #include <sys/mount.h> 54 #include <sys/sa.h> 55 #include <sys/syscallargs.h> 56 57 #ifdef __sparc__ 58 #include <dev/sun/fbio.h> 59 #include <machine/openpromio.h> 60 #endif 61 62 #include <net/if.h> 63 #include <net/route.h> 64 65 #include <netinet/in.h> 66 #include <netinet/in_var.h> 67 #include <netinet/igmp.h> 68 #include <netinet/igmp_var.h> 69 #include <netinet/ip_mroute.h> 70 71 #include <compat/netbsd32/netbsd32.h> 72 #include <compat/netbsd32/netbsd32_ioctl.h> 73 #include <compat/netbsd32/netbsd32_syscallargs.h> 74 75 /* prototypes for the converters */ 76 static __inline void 77 netbsd32_to_partinfo(struct netbsd32_partinfo *, struct partinfo *, u_long); 78 static __inline void 79 netbsd32_to_format_op(struct netbsd32_format_op *, struct format_op *, u_long); 80 static __inline void 81 netbsd32_to_ifconf(struct netbsd32_ifconf *, struct ifconf *, u_long); 82 static __inline void 83 netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *, struct ifmediareq *, u_long); 84 static __inline void 85 netbsd32_to_ifdrv(struct netbsd32_ifdrv *, struct ifdrv *, u_long); 86 static __inline void 87 netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *, struct sioc_vif_req *, u_long); 88 static __inline void 89 netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *, struct sioc_sg_req *, u_long); 90 static __inline void 91 netbsd32_from_partinfo(struct partinfo *, struct netbsd32_partinfo *); 92 static __inline void 93 netbsd32_from_format_op(struct format_op *, struct netbsd32_format_op *); 94 static __inline void 95 netbsd32_from_ifconf(struct ifconf *, struct netbsd32_ifconf *); 96 static __inline void 97 netbsd32_from_ifmediareq(struct ifmediareq *, struct netbsd32_ifmediareq *); 98 static __inline void 99 netbsd32_from_ifdrv(struct ifdrv *, struct netbsd32_ifdrv *); 100 static __inline void 101 netbsd32_from_sioc_vif_req(struct sioc_vif_req *, struct netbsd32_sioc_vif_req *); 102 static __inline void 103 netbsd32_from_sioc_sg_req(struct sioc_sg_req *, struct netbsd32_sioc_sg_req *); 104 105 /* convert to/from different structures */ 106 107 static __inline void 108 netbsd32_to_partinfo(s32p, p, cmd) 109 struct netbsd32_partinfo *s32p; 110 struct partinfo *p; 111 u_long cmd; 112 { 113 114 p->disklab = (struct disklabel *)(u_long)s32p->disklab; 115 p->part = (struct partition *)(u_long)s32p->part; 116 } 117 118 static __inline void 119 netbsd32_to_format_op(s32p, p, cmd) 120 struct netbsd32_format_op *s32p; 121 struct format_op *p; 122 u_long cmd; 123 { 124 125 p->df_buf = (char *)(u_long)s32p->df_buf; 126 p->df_count = s32p->df_count; 127 p->df_startblk = s32p->df_startblk; 128 memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg)); 129 } 130 131 #if 0 /* XXX see below */ 132 static __inline void 133 netbsd32_to_ifreq(s32p, p, cmd) 134 struct netbsd32_ifreq *s32p; 135 struct ifreq *p; 136 u_long cmd; /* XXX unused yet */ 137 { 138 139 /* 140 * XXX 141 * struct ifreq says the same, but sometimes the ifr_data 142 * union member needs to be converted to 64 bits... this 143 * is very driver specific and so we ignore it for now.. 144 */ 145 memcpy(p, s32p, sizeof *s32p); 146 } 147 #endif 148 149 static __inline void 150 netbsd32_to_ifconf(s32p, p, cmd) 151 struct netbsd32_ifconf *s32p; 152 struct ifconf *p; 153 u_long cmd; 154 { 155 156 p->ifc_len = s32p->ifc_len; 157 /* ifc_buf & ifc_req are the same size so this works */ 158 p->ifc_buf = (caddr_t)(u_long)s32p->ifc_buf; 159 } 160 161 static __inline void 162 netbsd32_to_ifmediareq(s32p, p, cmd) 163 struct netbsd32_ifmediareq *s32p; 164 struct ifmediareq *p; 165 u_long cmd; 166 { 167 168 memcpy(p, s32p, sizeof *s32p); 169 p->ifm_ulist = (int *)(u_long)s32p->ifm_ulist; 170 } 171 172 static __inline void 173 netbsd32_to_ifdrv(s32p, p, cmd) 174 struct netbsd32_ifdrv *s32p; 175 struct ifdrv *p; 176 u_long cmd; 177 { 178 179 memcpy(p, s32p, sizeof *s32p); 180 p->ifd_data = (void *)(u_long)s32p->ifd_data; 181 } 182 183 static __inline void 184 netbsd32_to_sioc_vif_req(s32p, p, cmd) 185 struct netbsd32_sioc_vif_req *s32p; 186 struct sioc_vif_req *p; 187 u_long cmd; 188 { 189 190 p->vifi = s32p->vifi; 191 p->icount = (u_long)s32p->icount; 192 p->ocount = (u_long)s32p->ocount; 193 p->ibytes = (u_long)s32p->ibytes; 194 p->obytes = (u_long)s32p->obytes; 195 } 196 197 static __inline void 198 netbsd32_to_sioc_sg_req(s32p, p, cmd) 199 struct netbsd32_sioc_sg_req *s32p; 200 struct sioc_sg_req *p; 201 u_long cmd; 202 { 203 204 p->src = s32p->src; 205 p->grp = s32p->grp; 206 p->pktcnt = (u_long)s32p->pktcnt; 207 p->bytecnt = (u_long)s32p->bytecnt; 208 p->wrong_if = (u_long)s32p->wrong_if; 209 } 210 211 /* 212 * handle ioctl conversions from 64-bit kernel -> netbsd32 213 */ 214 215 static __inline void 216 netbsd32_from_partinfo(p, s32p) 217 struct partinfo *p; 218 struct netbsd32_partinfo *s32p; 219 { 220 221 s32p->disklab = (netbsd32_disklabel_tp_t)(u_long)p->disklab; 222 s32p->part = s32p->part; 223 } 224 225 static __inline void 226 netbsd32_from_format_op(p, s32p) 227 struct format_op *p; 228 struct netbsd32_format_op *s32p; 229 { 230 231 /* filled in */ 232 #if 0 233 s32p->df_buf = (netbsd32_charp)p->df_buf; 234 #endif 235 s32p->df_count = p->df_count; 236 s32p->df_startblk = p->df_startblk; 237 memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg)); 238 } 239 240 #if 0 /* XXX see below */ 241 static __inline void 242 netbsd32_from_ifreq(p, s32p, cmd) 243 struct ifreq *p; 244 struct netbsd32_ifreq *s32p; 245 u_long cmd; /* XXX unused yet */ 246 { 247 248 /* 249 * XXX 250 * struct ifreq says the same, but sometimes the ifr_data 251 * union member needs to be converted to 64 bits... this 252 * is very driver specific and so we ignore it for now.. 253 */ 254 *s32p = *p; 255 } 256 #endif 257 258 static __inline void 259 netbsd32_from_ifconf(p, s32p) 260 struct ifconf *p; 261 struct netbsd32_ifconf *s32p; 262 { 263 264 s32p->ifc_len = p->ifc_len; 265 /* ifc_buf & ifc_req are the same size so this works */ 266 s32p->ifc_buf = (netbsd32_caddr_t)(u_long)p->ifc_buf; 267 } 268 269 static __inline void 270 netbsd32_from_ifmediareq(p, s32p) 271 struct ifmediareq *p; 272 struct netbsd32_ifmediareq *s32p; 273 { 274 275 memcpy(s32p, p, sizeof *p); 276 /* filled in? */ 277 #if 0 278 s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist; 279 #endif 280 } 281 282 static __inline void 283 netbsd32_from_ifdrv(p, s32p) 284 struct ifdrv *p; 285 struct netbsd32_ifdrv *s32p; 286 { 287 288 memcpy(s32p, p, sizeof *p); 289 /* filled in? */ 290 #if 0 291 s32p->ifm_data = (netbsd32_u_longp_t)p->ifm_data; 292 #endif 293 } 294 295 static __inline void 296 netbsd32_from_sioc_vif_req(p, s32p) 297 struct sioc_vif_req *p; 298 struct netbsd32_sioc_vif_req *s32p; 299 { 300 301 s32p->vifi = p->vifi; 302 s32p->icount = (netbsd32_u_long)p->icount; 303 s32p->ocount = (netbsd32_u_long)p->ocount; 304 s32p->ibytes = (netbsd32_u_long)p->ibytes; 305 s32p->obytes = (netbsd32_u_long)p->obytes; 306 } 307 308 static __inline void 309 netbsd32_from_sioc_sg_req(p, s32p) 310 struct sioc_sg_req *p; 311 struct netbsd32_sioc_sg_req *s32p; 312 { 313 314 s32p->src = p->src; 315 s32p->grp = p->grp; 316 s32p->pktcnt = (netbsd32_u_long)p->pktcnt; 317 s32p->bytecnt = (netbsd32_u_long)p->bytecnt; 318 s32p->wrong_if = (netbsd32_u_long)p->wrong_if; 319 } 320 321 322 /* 323 * main ioctl syscall. 324 * 325 * ok, here we are in the biggy. we have to do fix ups depending 326 * on the ioctl command before and afterwards. 327 */ 328 int 329 netbsd32_ioctl(p, v, retval) 330 struct proc *p; 331 void *v; 332 register_t *retval; 333 { 334 struct netbsd32_ioctl_args /* { 335 syscallarg(int) fd; 336 syscallarg(netbsd32_u_long) com; 337 syscallarg(netbsd32_voidp) data; 338 } */ *uap = v; 339 struct file *fp; 340 struct filedesc *fdp; 341 u_long com; 342 int error = 0; 343 u_int size, size32; 344 caddr_t data, memp = NULL; 345 caddr_t data32, memp32 = NULL; 346 int tmp; 347 #define STK_PARAMS 128 348 u_long stkbuf[STK_PARAMS/sizeof(u_long)]; 349 u_long stkbuf32[STK_PARAMS/sizeof(u_long)]; 350 351 /* 352 * we need to translate some commands (_IOW) before calling sys_ioctl, 353 * some after (_IOR), and some both (_IOWR). 354 */ 355 #if 0 356 { 357 char *dirs[8] = { "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!", 358 "INOUT", "VOID|IN|OUT!" }; 359 360 printf("netbsd32_ioctl(%d, %x, %x): %s group %c base %d len %d\n", 361 SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data), 362 dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)], 363 IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)), 364 IOCPARM_LEN(SCARG(uap, com))); 365 } 366 #endif 367 368 fdp = p->p_fd; 369 if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL) 370 return (EBADF); 371 372 FILE_USE(fp); 373 374 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 375 error = EBADF; 376 goto out; 377 } 378 379 switch (com = SCARG(uap, com)) { 380 case FIONCLEX: 381 fdp->fd_ofileflags[SCARG(uap, fd)] &= ~UF_EXCLOSE; 382 goto out; 383 384 case FIOCLEX: 385 fdp->fd_ofileflags[SCARG(uap, fd)] |= UF_EXCLOSE; 386 goto out; 387 } 388 389 /* 390 * Interpret high order word to find amount of data to be 391 * copied to/from the user's address space. 392 */ 393 size32 = IOCPARM_LEN(com); 394 if (size32 > IOCPARM_MAX) { 395 error = ENOTTY; 396 goto out; 397 } 398 memp = NULL; 399 if (size32 > sizeof(stkbuf)) { 400 memp32 = (caddr_t)malloc((u_long)size32, M_IOCTLOPS, M_WAITOK); 401 data32 = memp32; 402 } else 403 data32 = (caddr_t)stkbuf32; 404 if (com&IOC_IN) { 405 if (size32) { 406 error = copyin((caddr_t)(u_long)SCARG(uap, data), 407 data32, size32); 408 if (error) { 409 if (memp32) 410 free(memp32, M_IOCTLOPS); 411 goto out; 412 } 413 } else 414 *(caddr_t *)data32 = (caddr_t)(u_long)SCARG(uap, data); 415 } else if ((com&IOC_OUT) && size32) 416 /* 417 * Zero the buffer so the user always 418 * gets back something deterministic. 419 */ 420 memset(data32, 0, size32); 421 else if (com&IOC_VOID) 422 *(caddr_t *)data32 = (caddr_t)(u_long)SCARG(uap, data); 423 424 /* 425 * convert various structures, pointers, and other objects that 426 * change size from 32 bit -> 64 bit, for all ioctl commands. 427 */ 428 switch (SCARG(uap, com)) { 429 case FIONBIO: 430 if ((tmp = *(int *)data32) != 0) 431 fp->f_flag |= FNONBLOCK; 432 else 433 fp->f_flag &= ~FNONBLOCK; 434 error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (caddr_t)&tmp, p); 435 break; 436 437 case FIOASYNC: 438 if ((tmp = *(int *)data32) != 0) 439 fp->f_flag |= FASYNC; 440 else 441 fp->f_flag &= ~FASYNC; 442 error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (caddr_t)&tmp, p); 443 break; 444 445 case FIOSETOWN: 446 tmp = *(int *)data32; 447 if (fp->f_type == DTYPE_SOCKET) { 448 ((struct socket *)fp->f_data)->so_pgid = tmp; 449 error = 0; 450 break; 451 } 452 if (tmp <= 0) { 453 tmp = -tmp; 454 } else { 455 struct proc *p1 = pfind(tmp); 456 if (p1 == 0) { 457 error = ESRCH; 458 break; 459 } 460 tmp = p1->p_pgrp->pg_id; 461 } 462 error = (*fp->f_ops->fo_ioctl) 463 (fp, TIOCSPGRP, (caddr_t)&tmp, p); 464 break; 465 466 case FIOGETOWN: 467 if (fp->f_type == DTYPE_SOCKET) { 468 error = 0; 469 *(int *)data32 = ((struct socket *)fp->f_data)->so_pgid; 470 break; 471 } 472 error = (*fp->f_ops->fo_ioctl)(fp, TIOCGPGRP, data32, p); 473 *(int *)data32 = -*(int *)data32; 474 break; 475 476 case DIOCGPART32: 477 IOCTL_STRUCT_CONV_TO(DIOCGPART, partinfo); 478 479 case DIOCRFORMAT32: 480 IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op); 481 case DIOCWFORMAT32: 482 IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op); 483 484 /* 485 * only a few ifreq syscalls need conversion and those are 486 * all driver specific... XXX 487 */ 488 #if 0 489 case SIOCGADDRROM3232: 490 IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq); 491 case SIOCGCHIPID32: 492 IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq); 493 case SIOCSIFADDR32: 494 IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq); 495 case OSIOCGIFADDR32: 496 IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq); 497 case SIOCGIFADDR32: 498 IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq); 499 case SIOCSIFDSTADDR32: 500 IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq); 501 case OSIOCGIFDSTADDR32: 502 IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq); 503 case SIOCGIFDSTADDR32: 504 IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq); 505 case SIOCSIFFLAGS32: 506 IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq); 507 case SIOCGIFFLAGS32: 508 IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq); 509 case OSIOCGIFBRDADDR32: 510 IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq); 511 case SIOCGIFBRDADDR32: 512 IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq); 513 case SIOCSIFBRDADDR32: 514 IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq); 515 case OSIOCGIFNETMASK32: 516 IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq); 517 case SIOCGIFNETMASK32: 518 IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq); 519 case SIOCSIFNETMASK32: 520 IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq); 521 case SIOCGIFMETRIC32: 522 IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq); 523 case SIOCSIFMETRIC32: 524 IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq); 525 case SIOCDIFADDR32: 526 IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq); 527 case SIOCADDMULTI32: 528 IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq); 529 case SIOCDELMULTI32: 530 IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq); 531 case SIOCSIFMEDIA32: 532 IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq); 533 case SIOCSIFMTU32: 534 IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq); 535 case SIOCGIFMTU32: 536 IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq); 537 case SIOCSIFASYNCMAP32: 538 IOCTL_STRUCT_CONV_TO(SIOCSIFASYNCMAP, ifreq); 539 case SIOCGIFASYNCMAP32: 540 IOCTL_STRUCT_CONV_TO(SIOCGIFASYNCMAP, ifreq); 541 /* IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq); READ ONLY */ 542 case BIOCSETIF32: 543 IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq); 544 case SIOCPHASE132: 545 IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq); 546 case SIOCPHASE232: 547 IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq); 548 #endif 549 550 case OSIOCGIFCONF32: 551 IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf); 552 case SIOCGIFCONF32: 553 IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf); 554 555 case SIOCGIFMEDIA32: 556 IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq); 557 558 case SIOCSDRVSPEC32: 559 IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv); 560 561 case SIOCGETVIFCNT32: 562 IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req); 563 564 case SIOCGETSGCNT32: 565 IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req); 566 567 default: 568 #ifdef NETBSD32_MD_IOCTL 569 error = netbsd32_md_ioctl(fp, com, data32, p); 570 #else 571 error = (*fp->f_ops->fo_ioctl)(fp, com, data32, p); 572 #endif 573 break; 574 } 575 576 /* 577 * Copy any data to user, size was 578 * already set and checked above. 579 */ 580 if (error == 0 && (com&IOC_OUT) && size32) 581 error = copyout(data32, (caddr_t)(u_long)SCARG(uap, data), size32); 582 583 /* if we malloced data, free it here */ 584 if (memp32) 585 free(memp32, M_IOCTLOPS); 586 if (memp) 587 free(memp, M_IOCTLOPS); 588 589 out: 590 FILE_UNUSE(fp, p); 591 return (error); 592 } 593
Indexes created Mon Sep 22 13:09:51 GMT 2025