1 /* $NetBSD: netbsd32_ioctl.c,v 1.118 2021/01/17 10:50:01 simonb 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * handle ioctl conversions from netbsd32 -> 64-bit kernel 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: netbsd32_ioctl.c,v 1.118 2021/01/17 10:50:01 simonb Exp $"); 35 36 #if defined(_KERNEL_OPT) 37 #include "opt_ntp.h" 38 #endif 39 40 #include <sys/param.h> 41 #include <sys/atomic.h> 42 #include <sys/systm.h> 43 #include <sys/filedesc.h> 44 #include <sys/ioctl.h> 45 #include <sys/file.h> 46 #include <sys/proc.h> 47 #include <sys/socketvar.h> 48 #include <sys/audioio.h> 49 #include <sys/disklabel.h> 50 #include <sys/dkio.h> 51 #include <sys/ataio.h> 52 #include <sys/sockio.h> 53 #include <sys/socket.h> 54 #include <sys/ttycom.h> 55 #include <sys/mount.h> 56 #include <sys/syscallargs.h> 57 #include <sys/ktrace.h> 58 #include <sys/kmem.h> 59 #include <sys/envsys.h> 60 #include <sys/wdog.h> 61 #include <sys/clockctl.h> 62 #include <sys/exec_elf.h> 63 #include <sys/ksyms.h> 64 #include <sys/drvctlio.h> 65 #include <sys/compat_stub.h> 66 67 #include <sys/vnode.h> 68 #include <sys/conf.h> 69 #include <miscfs/specfs/specdev.h> 70 71 #ifdef __sparc__ 72 #include <dev/sun/fbio.h> 73 #include <machine/openpromio.h> 74 #endif 75 76 #include <net/if.h> 77 #include <net/route.h> 78 79 #include <net/if_pppoe.h> 80 #include <net/if_sppp.h> 81 82 #include <net/bpf.h> 83 #include <netinet/in.h> 84 #include <netinet/in_var.h> 85 #include <netinet/igmp.h> 86 #include <netinet/igmp_var.h> 87 #include <netinet/ip_mroute.h> 88 89 #include <netinet6/nd6.h> 90 #include <netinet6/in6_var.h> 91 92 #include <compat/sys/sockio.h> 93 94 #include <compat/netbsd32/netbsd32.h> 95 #include <compat/netbsd32/netbsd32_ioctl.h> 96 #include <compat/netbsd32/netbsd32_syscallargs.h> 97 #include <compat/netbsd32/netbsd32_conv.h> 98 99 #include <dev/fssvar.h> 100 #include <dev/vndvar.h> 101 102 /* convert to/from different structures */ 103 104 #if 0 105 static inline void 106 netbsd32_to_format_op(struct netbsd32_format_op *s32p, 107 struct format_op *p, u_long cmd) 108 { 109 110 p->df_buf = (char *)NETBSD32PTR64(s32p->df_buf); 111 p->df_count = s32p->df_count; 112 p->df_startblk = s32p->df_startblk; 113 memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg)); 114 } 115 #endif 116 117 static inline void 118 netbsd32_to_ifreq(struct netbsd32_ifreq *s32p, struct ifreq *p, u_long cmd) 119 { 120 121 memcpy(p, s32p, sizeof *s32p); 122 /* 123 * XXX 124 * struct ifreq says the same, but sometimes the ifr_data 125 * union member needs to be converted to 64 bits... this 126 * is very driver specific and so we ignore it for now.. 127 */ 128 switch (cmd) { 129 case SIOCGIFDATA: 130 case SIOCZIFDATA: 131 case SIOCGIFGENERIC: 132 case SIOCSIFGENERIC: 133 p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data); 134 break; 135 } 136 } 137 138 static inline void 139 netbsd32_to_oifreq(struct netbsd32_oifreq *s32p, struct oifreq *p, u_long cmd) 140 { 141 142 memcpy(p, s32p, sizeof *s32p); 143 /* 144 * XXX 145 * struct ifreq says the same, but sometimes the ifr_data 146 * union member needs to be converted to 64 bits... this 147 * is very driver specific and so we ignore it for now.. 148 */ 149 if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA) 150 p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data); 151 } 152 153 static inline void 154 netbsd32_to_if_addrprefreq(const struct netbsd32_if_addrprefreq *ifap32, 155 struct if_addrprefreq *ifap, u_long cmd) 156 { 157 158 memcpy(ifap->ifap_name, ifap32->ifap_name, IFNAMSIZ); 159 ifap->ifap_preference = ifap32->ifap_preference; 160 memcpy(&ifap->ifap_addr, &ifap32->ifap_addr, 161 uimin(ifap32->ifap_addr.ss_len, _SS_MAXSIZE)); 162 } 163 164 static inline void 165 netbsd32_to_ifconf(struct netbsd32_ifconf *s32p, struct ifconf *p, u_long cmd) 166 { 167 168 p->ifc_len = s32p->ifc_len; 169 /* ifc_buf & ifc_req are the same size so this works */ 170 p->ifc_buf = (void *)NETBSD32PTR64(s32p->ifc_buf); 171 } 172 173 static inline void 174 netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *s32p, 175 struct ifmediareq *p, u_long cmd) 176 { 177 178 memcpy(p, s32p, sizeof *s32p); 179 p->ifm_ulist = (int *)NETBSD32PTR64(s32p->ifm_ulist); 180 } 181 182 static inline void 183 netbsd32_to_in6_nbrinfo(struct netbsd32_in6_nbrinfo *s32p, struct in6_nbrinfo *p, 184 u_long cmd) 185 { 186 187 memcpy(p->ifname, s32p->ifname, sizeof p->ifname); 188 memcpy(&p->addr, &s32p->addr, sizeof p->addr); 189 p->asked = s32p->asked; 190 p->isrouter = s32p->isrouter; 191 p->state = s32p->state; 192 p->expire = s32p->expire; 193 194 } 195 196 static inline void 197 netbsd32_to_pppoediscparms(struct netbsd32_pppoediscparms *s32p, 198 struct pppoediscparms *p, u_long cmd) 199 { 200 201 memcpy(p->ifname, s32p->ifname, sizeof p->ifname); 202 memcpy(p->eth_ifname, s32p->eth_ifname, sizeof p->eth_ifname); 203 p->ac_name = (char *)NETBSD32PTR64(s32p->ac_name); 204 p->ac_name_len = s32p->ac_name_len; 205 p->service_name = (char *)NETBSD32PTR64(s32p->service_name); 206 p->service_name_len = s32p->service_name_len; 207 } 208 209 static inline void 210 netbsd32_to_spppauthcfg(struct netbsd32_spppauthcfg *s32p, 211 struct spppauthcfg *p, u_long cmd) 212 { 213 214 memcpy(p->ifname, s32p->ifname, sizeof p->ifname); 215 p->hisauth = s32p->hisauth; 216 p->myauth = s32p->myauth; 217 p->myname_length = s32p->myname_length; 218 p->mysecret_length = s32p->mysecret_length; 219 p->hisname_length = s32p->hisname_length; 220 p->hissecret_length = s32p->hissecret_length; 221 p->myauthflags = s32p->myauthflags; 222 p->hisauthflags = s32p->hisauthflags; 223 p->myname = (char *)NETBSD32PTR64(s32p->myname); 224 p->mysecret = (char *)NETBSD32PTR64(s32p->mysecret); 225 p->hisname = (char *)NETBSD32PTR64(s32p->hisname); 226 p->hissecret = (char *)NETBSD32PTR64(s32p->hissecret); 227 } 228 229 static inline void 230 netbsd32_to_ifdrv(struct netbsd32_ifdrv *s32p, struct ifdrv *p, u_long cmd) 231 { 232 233 memcpy(p->ifd_name, s32p->ifd_name, sizeof p->ifd_name); 234 p->ifd_cmd = s32p->ifd_cmd; 235 p->ifd_len = s32p->ifd_len; 236 p->ifd_data = (void *)NETBSD32PTR64(s32p->ifd_data); 237 } 238 239 static inline void 240 netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *s32p, 241 struct sioc_vif_req *p, u_long cmd) 242 { 243 244 p->vifi = s32p->vifi; 245 p->icount = (u_long)s32p->icount; 246 p->ocount = (u_long)s32p->ocount; 247 p->ibytes = (u_long)s32p->ibytes; 248 p->obytes = (u_long)s32p->obytes; 249 } 250 251 static inline void 252 netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *s32p, 253 struct sioc_sg_req *p, u_long cmd) 254 { 255 256 p->src = s32p->src; 257 p->grp = s32p->grp; 258 p->pktcnt = (u_long)s32p->pktcnt; 259 p->bytecnt = (u_long)s32p->bytecnt; 260 p->wrong_if = (u_long)s32p->wrong_if; 261 } 262 263 static inline void 264 netbsd32_to_kfilter_mapping(struct netbsd32_kfilter_mapping *s32p, 265 struct kfilter_mapping *p, u_long cmd) 266 { 267 268 p->name = (char *)NETBSD32PTR64(s32p->name); 269 p->len = s32p->len; 270 p->filter = s32p->filter; 271 } 272 273 static inline void 274 netbsd32_to_atareq(struct netbsd32_atareq *s32p, struct atareq *p, u_long cmd) 275 { 276 277 p->flags = (u_long)s32p->flags; 278 p->command = s32p->command; 279 p->features = s32p->features; 280 p->sec_count = s32p->sec_count; 281 p->sec_num = s32p->sec_num; 282 p->head = s32p->head; 283 p->cylinder = s32p->cylinder; 284 p->databuf = (char *)NETBSD32PTR64(s32p->databuf); 285 p->datalen = (u_long)s32p->datalen; 286 p->timeout = s32p->timeout; 287 p->retsts = s32p->retsts; 288 p->error = s32p->error; 289 } 290 291 static inline void 292 netbsd32_to_fss_set(struct netbsd32_fss_set *s32p, struct fss_set *p, 293 u_long cmd) 294 { 295 296 p->fss_mount = (char *)NETBSD32PTR64(s32p->fss_mount); 297 p->fss_bstore = (char *)NETBSD32PTR64(s32p->fss_bstore); 298 p->fss_csize = s32p->fss_csize; 299 p->fss_flags = s32p->fss_flags; 300 } 301 302 static inline void 303 netbsd32_to_fss_get(struct netbsd32_fss_get *s32p, struct fss_get *p, 304 u_long cmd) 305 { 306 307 memcpy(p->fsg_mount, s32p->fsg_mount, MNAMELEN); 308 netbsd32_to_timeval(&s32p->fsg_time, &p->fsg_time); 309 p->fsg_csize = s32p->fsg_csize; 310 p->fsg_mount_size = s32p->fsg_mount_size; 311 p->fsg_bs_size = s32p->fsg_bs_size; 312 313 } 314 315 static inline void 316 netbsd32_to_vnd_ioctl(struct netbsd32_vnd_ioctl *s32p, 317 struct vnd_ioctl *p, u_long cmd) 318 { 319 320 p->vnd_file = (char *)NETBSD32PTR64(s32p->vnd_file); 321 p->vnd_flags = s32p->vnd_flags; 322 p->vnd_geom = s32p->vnd_geom; 323 p->vnd_osize = s32p->vnd_osize; 324 p->vnd_size = s32p->vnd_size; 325 } 326 327 static inline void 328 netbsd32_to_vnd_user(struct netbsd32_vnd_user *s32p, 329 struct vnd_user *p, u_long cmd) 330 { 331 332 p->vnu_unit = s32p->vnu_unit; 333 p->vnu_dev = s32p->vnu_dev; 334 p->vnu_ino = s32p->vnu_ino; 335 } 336 337 static inline void 338 netbsd32_to_vnd_ioctl50(struct netbsd32_vnd_ioctl50 *s32p, 339 struct vnd_ioctl50 *p, u_long cmd) 340 { 341 342 p->vnd_file = (char *)NETBSD32PTR64(s32p->vnd_file); 343 p->vnd_flags = s32p->vnd_flags; 344 p->vnd_geom = s32p->vnd_geom; 345 p->vnd_size = s32p->vnd_size; 346 } 347 348 static inline void 349 netbsd32_to_plistref(struct netbsd32_plistref *s32p, 350 struct plistref *p, u_long cmd) 351 { 352 353 p->pref_plist = NETBSD32PTR64(s32p->pref_plist); 354 p->pref_len = s32p->pref_len; 355 } 356 357 static inline void 358 netbsd32_to_nvlist_ref_t(netbsd32_nvlist_ref_t *s32p, 359 nvlist_ref_t *p, u_long cmd) 360 { 361 362 p->buf = NETBSD32PTR64(s32p->buf); 363 p->len = s32p->len; 364 p->flags = s32p->flags; 365 } 366 367 static inline void 368 netbsd32_to_u_long(netbsd32_u_long *s32p, u_long *p, u_long cmd) 369 { 370 371 *p = (u_long)*s32p; 372 } 373 374 static inline void 375 netbsd32_to_voidp(netbsd32_voidp *s32p, voidp *p, u_long cmd) 376 { 377 378 *p = (void *)NETBSD32PTR64(*s32p); 379 } 380 381 static inline void 382 netbsd32_to_wdog_conf(struct netbsd32_wdog_conf *s32p, 383 struct wdog_conf *p, u_long cmd) 384 { 385 386 p->wc_names = (char *)NETBSD32PTR64(s32p->wc_names); 387 p->wc_count = s32p->wc_count; 388 } 389 390 static inline void 391 netbsd32_to_npf_ioctl_table(const struct netbsd32_npf_ioctl_table *s32p, 392 struct npf_ioctl_table *p, u_long cmd) 393 { 394 395 p->nct_cmd = s32p->nct_cmd; 396 p->nct_name = NETBSD32PTR64(s32p->nct_name); 397 switch (s32p->nct_cmd) { 398 case NPF_CMD_TABLE_LOOKUP: 399 case NPF_CMD_TABLE_ADD: 400 case NPF_CMD_TABLE_REMOVE: 401 p->nct_data.ent = s32p->nct_data.ent; 402 break; 403 case NPF_CMD_TABLE_LIST: 404 p->nct_data.buf.buf = NETBSD32PTR64(s32p->nct_data.buf.buf); 405 p->nct_data.buf.len = s32p->nct_data.buf.len; 406 break; 407 } 408 } 409 410 static inline void 411 netbsd32_to_bpf_program(struct netbsd32_bpf_program *s32p, 412 struct bpf_program *p, u_long cmd) 413 { 414 415 p->bf_insns = (void *)NETBSD32PTR64(s32p->bf_insns); 416 p->bf_len = s32p->bf_len; 417 } 418 419 static inline void 420 netbsd32_to_bpf_dltlist(struct netbsd32_bpf_dltlist *s32p, 421 struct bpf_dltlist *p, u_long cmd) 422 { 423 424 p->bfl_list = (void *)NETBSD32PTR64(s32p->bfl_list); 425 p->bfl_len = s32p->bfl_len; 426 } 427 428 /* wsdisplay stuff */ 429 static inline void 430 netbsd32_to_wsdisplay_addscreendata( 431 struct netbsd32_wsdisplay_addscreendata *asd32, 432 struct wsdisplay_addscreendata *asd, u_long cmd) 433 { 434 435 asd->screentype = (char *)NETBSD32PTR64(asd32->screentype); 436 asd->emul = (char *)NETBSD32PTR64(asd32->emul); 437 asd->idx = asd32->idx; 438 } 439 440 static inline void 441 netbsd32_to_ieee80211req(struct netbsd32_ieee80211req *ireq32, 442 struct ieee80211req *ireq, u_long cmd) 443 { 444 445 memcpy(ireq->i_name, ireq32->i_name, IFNAMSIZ); 446 ireq->i_type = ireq32->i_type; 447 ireq->i_val = ireq32->i_val; 448 ireq->i_len = ireq32->i_len; 449 ireq->i_data = NETBSD32PTR64(ireq32->i_data); 450 } 451 452 static inline void 453 netbsd32_to_ieee80211_nwkey(struct netbsd32_ieee80211_nwkey *nwk32, 454 struct ieee80211_nwkey *nwk, u_long cmd) 455 { 456 int i; 457 458 memcpy(nwk->i_name, nwk32->i_name, IFNAMSIZ); 459 nwk->i_wepon = nwk32->i_wepon; 460 nwk->i_defkid = nwk32->i_defkid; 461 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 462 nwk->i_key[i].i_keylen = nwk32->i_key[i].i_keylen; 463 nwk->i_key[i].i_keydat = 464 NETBSD32PTR64(nwk32->i_key[i].i_keydat); 465 } 466 } 467 468 static inline void 469 netbsd32_to_wsdisplay_cursor(struct netbsd32_wsdisplay_cursor *c32, 470 struct wsdisplay_cursor *c, u_long cmd) 471 { 472 473 c->which = c32->which; 474 c->enable = c32->enable; 475 c->pos.x = c32->pos.x; 476 c->pos.y = c32->pos.y; 477 c->hot.x = c32->hot.x; 478 c->hot.y = c32->hot.y; 479 c->size.x = c32->size.x; 480 c->size.y = c32->size.y; 481 c->cmap.index = c32->cmap.index; 482 c->cmap.count = c32->cmap.count; 483 c->cmap.red = NETBSD32PTR64(c32->cmap.red); 484 c->cmap.green = NETBSD32PTR64(c32->cmap.green); 485 c->cmap.blue = NETBSD32PTR64(c32->cmap.blue); 486 c->image = NETBSD32PTR64(c32->image); 487 c->mask = NETBSD32PTR64(c32->mask); 488 } 489 490 static inline void 491 netbsd32_to_wsdisplay_cmap(struct netbsd32_wsdisplay_cmap *c32, 492 struct wsdisplay_cmap *c, u_long cmd) 493 { 494 495 c->index = c32->index; 496 c->count = c32->count; 497 c->red = NETBSD32PTR64(c32->red); 498 c->green = NETBSD32PTR64(c32->green); 499 c->blue = NETBSD32PTR64(c32->blue); 500 } 501 502 static inline void 503 netbsd32_to_wsdisplay_font(struct netbsd32_wsdisplay_font *f32, 504 struct wsdisplay_font *f, u_long cmd) 505 { 506 507 f->name = NETBSD32PTR64(f32->name); 508 f->firstchar = f32->firstchar; 509 f->numchars = f32->numchars; 510 f->encoding = f32->encoding; 511 f->fontwidth = f32->fontwidth; 512 f->fontheight = f32->fontheight; 513 f->stride = f32->stride; 514 f->bitorder = f32->bitorder; 515 f->byteorder = f32->byteorder; 516 f->data = NETBSD32PTR64(f32->data); 517 } 518 519 static inline void 520 netbsd32_to_wsdisplay_usefontdata(struct netbsd32_wsdisplay_usefontdata *f32, 521 struct wsdisplay_usefontdata *f, u_long cmd) 522 { 523 524 f->name = NETBSD32PTR64(f32->name); 525 } 526 527 static inline void 528 netbsd32_to_clockctl_settimeofday( 529 const struct netbsd32_clockctl_settimeofday *s32p, 530 struct clockctl_settimeofday *p, u_long cmd) 531 { 532 533 p->tv = NETBSD32PTR64(s32p->tv); 534 p->tzp = NETBSD32PTR64(s32p->tzp); 535 } 536 537 static inline void 538 netbsd32_to_clockctl_adjtime( 539 const struct netbsd32_clockctl_adjtime *s32p, 540 struct clockctl_adjtime *p, u_long cmd) 541 { 542 543 p->delta = NETBSD32PTR64(s32p->delta); 544 p->olddelta = NETBSD32PTR64(s32p->olddelta); 545 } 546 547 static inline void 548 netbsd32_to_clockctl_clock_settime( 549 const struct netbsd32_clockctl_clock_settime *s32p, 550 struct clockctl_clock_settime *p, u_long cmd) 551 { 552 553 p->clock_id = s32p->clock_id; 554 p->tp = NETBSD32PTR64(s32p->tp); 555 } 556 557 #ifdef NTP 558 static inline void 559 netbsd32_to_clockctl_ntp_adjtime( 560 const struct netbsd32_clockctl_ntp_adjtime *s32p, 561 struct clockctl_ntp_adjtime *p, u_long cmd) 562 { 563 564 p->tp = NETBSD32PTR64(s32p->tp); 565 p->retval = s32p->retval; 566 } 567 #endif 568 569 static inline void 570 netbsd32_to_ksyms_gsymbol(const struct netbsd32_ksyms_gsymbol *s32p, 571 struct ksyms_gsymbol *p, u_long cmd) 572 { 573 574 p->kg_name = NETBSD32PTR64(s32p->kg_name); 575 } 576 577 static inline void 578 netbsd32_to_ksyms_gvalue(const struct netbsd32_ksyms_gvalue *s32p, 579 struct ksyms_gvalue *p, u_long cmd) 580 { 581 582 p->kv_name = NETBSD32PTR64(s32p->kv_name); 583 } 584 585 static inline void 586 netbsd32_to_devlistargs(const struct netbsd32_devlistargs *s32p, 587 struct devlistargs *p, u_long cmd) 588 { 589 590 memcpy(p->l_devname, s32p->l_devname, sizeof(p->l_devname)); 591 p->l_children = s32p->l_children; 592 p->l_childname = NETBSD32PTR64(s32p->l_childname); 593 } 594 595 static inline void 596 netbsd32_to_devrescanargs(const struct netbsd32_devrescanargs *s32p, 597 struct devrescanargs *p, u_long cmd) 598 { 599 600 memcpy(p->busname, s32p->busname, sizeof(p->busname)); 601 memcpy(p->ifattr, s32p->ifattr, sizeof(p->ifattr)); 602 p->numlocators = s32p->numlocators; 603 p->locators = NETBSD32PTR64(s32p->locators); 604 } 605 606 static inline void 607 netbsd32_to_disk_strategy(const struct netbsd32_disk_strategy *s32p, 608 struct disk_strategy *p, u_long cmd) 609 { 610 611 memcpy(p->dks_name, s32p->dks_name, sizeof(p->dks_name)); 612 p->dks_param = NETBSD32PTR64(s32p->dks_param); 613 p->dks_paramlen = s32p->dks_paramlen; 614 } 615 616 static inline void 617 netbsd32_to_dkwedge_list(const struct netbsd32_dkwedge_list *s32p, 618 struct dkwedge_list *p, u_long cmd) 619 { 620 621 p->dkwl_buf = NETBSD32PTR64(s32p->dkwl_buf); 622 p->dkwl_bufsize = s32p->dkwl_bufsize; 623 p->dkwl_nwedges = s32p->dkwl_nwedges; 624 p->dkwl_ncopied = s32p->dkwl_ncopied; 625 } 626 627 /* 628 * handle ioctl conversions from 64-bit kernel -> netbsd32 629 */ 630 631 #if 0 632 static inline void 633 netbsd32_from_format_op(struct format_op *p, 634 struct netbsd32_format_op *s32p, u_long cmd) 635 { 636 637 /* filled in */ 638 #if 0 639 s32p->df_buf = (netbsd32_charp)p->df_buf; 640 #endif 641 s32p->df_count = p->df_count; 642 s32p->df_startblk = p->df_startblk; 643 memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg)); 644 } 645 #endif 646 647 static inline void 648 netbsd32_from_ifreq(struct ifreq *p, struct netbsd32_ifreq *s32p, u_long cmd) 649 { 650 651 /* 652 * XXX 653 * struct ifreq says the same, but sometimes the ifr_data 654 * union member needs to be converted to 64 bits... this 655 * is very driver specific and so we ignore it for now.. 656 */ 657 memcpy(s32p, p, sizeof *s32p); 658 switch (cmd) { 659 case SIOCGIFDATA: 660 case SIOCZIFDATA: 661 case SIOCGIFGENERIC: 662 case SIOCSIFGENERIC: 663 NETBSD32PTR32(s32p->ifr_data, p->ifr_data); 664 break; 665 } 666 } 667 668 static inline void 669 netbsd32_from_oifreq(struct oifreq *p, 670 struct netbsd32_oifreq *s32p, u_long cmd) 671 { 672 673 /* 674 * XXX 675 * struct ifreq says the same, but sometimes the ifr_data 676 * union member needs to be converted to 64 bits... this 677 * is very driver specific and so we ignore it for now.. 678 */ 679 memcpy(s32p, p, sizeof *s32p); 680 if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA) 681 NETBSD32PTR32(s32p->ifr_data, p->ifr_data); 682 } 683 684 static inline void 685 netbsd32_from_if_addrprefreq(const struct if_addrprefreq *ifap, 686 struct netbsd32_if_addrprefreq *ifap32, u_long cmd) 687 { 688 689 memcpy(ifap32->ifap_name, ifap->ifap_name, IFNAMSIZ); 690 ifap32->ifap_preference = ifap->ifap_preference; 691 memcpy(&ifap32->ifap_addr, &ifap->ifap_addr, 692 uimin(ifap->ifap_addr.ss_len, _SS_MAXSIZE)); 693 } 694 695 static inline void 696 netbsd32_from_ifconf(struct ifconf *p, 697 struct netbsd32_ifconf *s32p, u_long cmd) 698 { 699 700 s32p->ifc_len = p->ifc_len; 701 /* ifc_buf & ifc_req are the same size so this works */ 702 NETBSD32PTR32(s32p->ifc_buf, p->ifc_buf); 703 } 704 705 static inline void 706 netbsd32_from_ifmediareq(struct ifmediareq *p, 707 struct netbsd32_ifmediareq *s32p, u_long cmd) 708 { 709 710 memcpy(s32p, p, sizeof *p); 711 /* filled in? */ 712 #if 0 713 s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist; 714 #endif 715 } 716 717 static inline void 718 netbsd32_from_in6_nbrinfo(struct in6_nbrinfo *p, struct netbsd32_in6_nbrinfo *s32p, 719 u_long cmd) 720 { 721 722 memcpy(s32p->ifname, p->ifname, sizeof s32p->ifname); 723 memcpy(&s32p->addr, &p->addr, sizeof s32p->addr); 724 s32p->asked = p->asked; 725 s32p->isrouter = p->isrouter; 726 s32p->state = p->state; 727 s32p->expire = p->expire; 728 } 729 730 static inline void 731 netbsd32_from_pppoediscparms(struct pppoediscparms *p, 732 struct netbsd32_pppoediscparms *s32p, u_long cmd) 733 { 734 735 memcpy(s32p->ifname, p->ifname, sizeof s32p->ifname); 736 memcpy(s32p->eth_ifname, p->eth_ifname, sizeof s32p->eth_ifname); 737 NETBSD32PTR32(s32p->ac_name, p->ac_name); 738 s32p->ac_name_len = p->ac_name_len; 739 NETBSD32PTR32(s32p->service_name, p->service_name); 740 s32p->service_name_len = p->service_name_len; 741 } 742 743 static inline void 744 netbsd32_from_spppauthcfg(struct spppauthcfg *p, 745 struct netbsd32_spppauthcfg *s32p, u_long cmd) 746 { 747 748 memcpy(s32p->ifname, p->ifname, sizeof s32p->ifname); 749 s32p->hisauth = p->hisauth; 750 s32p->myauth = p->myauth; 751 s32p->myname_length = p->myname_length; 752 s32p->mysecret_length = p->mysecret_length; 753 s32p->hisname_length = p->hisname_length; 754 s32p->hissecret_length = p->hissecret_length; 755 s32p->myauthflags = p->myauthflags; 756 s32p->hisauthflags = p->hisauthflags; 757 NETBSD32PTR32(s32p->myname, p->myname); 758 NETBSD32PTR32(s32p->mysecret, p->mysecret); 759 NETBSD32PTR32(s32p->hisname, p->hisname); 760 NETBSD32PTR32(s32p->hissecret, p->hissecret); 761 } 762 763 static inline void 764 netbsd32_from_ifdrv(struct ifdrv *p, struct netbsd32_ifdrv *s32p, u_long cmd) 765 { 766 767 memcpy(s32p->ifd_name, p->ifd_name, sizeof s32p->ifd_name); 768 s32p->ifd_cmd = p->ifd_cmd; 769 s32p->ifd_len = p->ifd_len; 770 NETBSD32PTR32(s32p->ifd_data, p->ifd_data); 771 } 772 773 static inline void 774 netbsd32_from_sioc_vif_req(struct sioc_vif_req *p, 775 struct netbsd32_sioc_vif_req *s32p, u_long cmd) 776 { 777 778 s32p->vifi = p->vifi; 779 s32p->icount = (netbsd32_u_long)p->icount; 780 s32p->ocount = (netbsd32_u_long)p->ocount; 781 s32p->ibytes = (netbsd32_u_long)p->ibytes; 782 s32p->obytes = (netbsd32_u_long)p->obytes; 783 } 784 785 static inline void 786 netbsd32_from_sioc_sg_req(struct sioc_sg_req *p, 787 struct netbsd32_sioc_sg_req *s32p, u_long cmd) 788 { 789 790 s32p->src = p->src; 791 s32p->grp = p->grp; 792 s32p->pktcnt = (netbsd32_u_long)p->pktcnt; 793 s32p->bytecnt = (netbsd32_u_long)p->bytecnt; 794 s32p->wrong_if = (netbsd32_u_long)p->wrong_if; 795 } 796 797 static inline void 798 netbsd32_from_kfilter_mapping(struct kfilter_mapping *p, 799 struct netbsd32_kfilter_mapping *s32p, u_long cmd) 800 { 801 802 NETBSD32PTR32(s32p->name, p->name); 803 s32p->len = p->len; 804 s32p->filter = p->filter; 805 } 806 807 static inline void 808 netbsd32_from_atareq(struct atareq *p, 809 struct netbsd32_atareq *s32p, u_long cmd) 810 { 811 812 s32p->flags = (netbsd32_u_long)p->flags; 813 s32p->command = p->command; 814 s32p->features = p->features; 815 s32p->sec_count = p->sec_count; 816 s32p->sec_num = p->sec_num; 817 s32p->head = p->head; 818 s32p->cylinder = p->cylinder; 819 NETBSD32PTR32(s32p->databuf, p->databuf); 820 s32p->datalen = (netbsd32_u_long)p->datalen; 821 s32p->timeout = p->timeout; 822 s32p->retsts = p->retsts; 823 s32p->error = p->error; 824 } 825 826 static inline void 827 netbsd32_from_fss_set(struct fss_set *p, struct netbsd32_fss_set *s32p, 828 u_long cmd) 829 { 830 831 NETBSD32PTR32(s32p->fss_mount, p->fss_mount); 832 NETBSD32PTR32(s32p->fss_bstore, p->fss_bstore); 833 s32p->fss_csize = p->fss_csize; 834 s32p->fss_flags = p->fss_flags; 835 } 836 837 static inline void 838 netbsd32_from_fss_get(struct fss_get *p, struct netbsd32_fss_get *s32p, 839 u_long cmd) 840 { 841 842 memcpy(s32p->fsg_mount, p->fsg_mount, MNAMELEN); 843 netbsd32_from_timeval(&p->fsg_time, &s32p->fsg_time); 844 s32p->fsg_csize = p->fsg_csize; 845 s32p->fsg_mount_size = p->fsg_mount_size; 846 s32p->fsg_bs_size = p->fsg_bs_size; 847 848 } 849 850 static inline void 851 netbsd32_from_vnd_ioctl(struct vnd_ioctl *p, 852 struct netbsd32_vnd_ioctl *s32p, u_long cmd) 853 { 854 855 s32p->vnd_flags = p->vnd_flags; 856 s32p->vnd_geom = p->vnd_geom; 857 s32p->vnd_osize = p->vnd_osize; 858 s32p->vnd_size = p->vnd_size; 859 } 860 861 static inline void 862 netbsd32_from_vnd_user(struct vnd_user *p, 863 struct netbsd32_vnd_user *s32p, u_long cmd) 864 { 865 866 s32p->vnu_unit = p->vnu_unit; 867 s32p->vnu_dev = p->vnu_dev; 868 s32p->vnu_ino = p->vnu_ino; 869 } 870 871 static inline void 872 netbsd32_from_vnd_ioctl50(struct vnd_ioctl50 *p, 873 struct netbsd32_vnd_ioctl50 *s32p, u_long cmd) 874 { 875 876 s32p->vnd_flags = p->vnd_flags; 877 s32p->vnd_geom = p->vnd_geom; 878 s32p->vnd_size = p->vnd_size; 879 } 880 881 static inline void 882 netbsd32_from_plistref(struct plistref *p, 883 struct netbsd32_plistref *s32p, u_long cmd) 884 { 885 886 NETBSD32PTR32(s32p->pref_plist, p->pref_plist); 887 s32p->pref_len = p->pref_len; 888 } 889 890 static inline void 891 netbsd32_from_nvlist_ref_t(nvlist_ref_t *p, 892 netbsd32_nvlist_ref_t *s32p, u_long cmd) 893 { 894 895 NETBSD32PTR32(s32p->buf, p->buf); 896 s32p->len = p->len; 897 s32p->flags = p->flags; 898 } 899 900 static inline void 901 netbsd32_from_wdog_conf(struct wdog_conf *p, 902 struct netbsd32_wdog_conf *s32p, u_long cmd) 903 { 904 905 NETBSD32PTR32(s32p->wc_names, p->wc_names); 906 s32p->wc_count = p->wc_count; 907 } 908 909 /* wsdisplay stuff */ 910 static inline void 911 netbsd32_from_wsdisplay_addscreendata(struct wsdisplay_addscreendata *asd, 912 struct netbsd32_wsdisplay_addscreendata *asd32, u_long cmd) 913 { 914 915 NETBSD32PTR32(asd32->screentype, asd->screentype); 916 NETBSD32PTR32(asd32->emul, asd->emul); 917 asd32->idx = asd->idx; 918 } 919 920 static inline void 921 netbsd32_from_wsdisplay_cursor(struct wsdisplay_cursor *c, 922 struct netbsd32_wsdisplay_cursor *c32, u_long cmd) 923 { 924 925 c32->which = c->which; 926 c32->enable = c->enable; 927 c32->pos.x = c->pos.x; 928 c32->pos.y = c->pos.y; 929 c32->hot.x = c->hot.x; 930 c32->hot.y = c->hot.y; 931 c32->size.x = c->size.x; 932 c32->size.y = c->size.y; 933 c32->cmap.index = c->cmap.index; 934 c32->cmap.count = c->cmap.count; 935 NETBSD32PTR32(c32->cmap.red, c->cmap.red); 936 NETBSD32PTR32(c32->cmap.green, c->cmap.green); 937 NETBSD32PTR32(c32->cmap.blue, c->cmap.blue); 938 NETBSD32PTR32(c32->image, c->image); 939 NETBSD32PTR32(c32->mask, c->mask); 940 } 941 942 static inline void 943 netbsd32_from_wsdisplay_cmap(struct wsdisplay_cmap *c, 944 struct netbsd32_wsdisplay_cmap *c32, u_long cmd) 945 { 946 947 c32->index = c->index; 948 c32->count = c->count; 949 NETBSD32PTR32(c32->red, c->red); 950 NETBSD32PTR32(c32->green, c->green); 951 NETBSD32PTR32(c32->blue, c->blue); 952 } 953 954 static inline void 955 netbsd32_from_wsdisplay_font(struct wsdisplay_font *f, 956 struct netbsd32_wsdisplay_font *f32, u_long cmd) 957 { 958 } 959 960 static inline void 961 netbsd32_from_wsdisplay_usefontdata(struct wsdisplay_usefontdata *f, 962 struct netbsd32_wsdisplay_usefontdata *f32, u_long cmd) 963 { 964 } 965 966 static inline void 967 netbsd32_from_ieee80211req(struct ieee80211req *ireq, 968 struct netbsd32_ieee80211req *ireq32, u_long cmd) 969 { 970 971 memcpy(ireq32->i_name, ireq->i_name, IFNAMSIZ); 972 ireq32->i_type = ireq->i_type; 973 ireq32->i_val = ireq->i_val; 974 ireq32->i_len = ireq->i_len; 975 NETBSD32PTR32(ireq32->i_data, ireq->i_data); 976 } 977 978 static inline void 979 netbsd32_from_ieee80211_nwkey(struct ieee80211_nwkey *nwk, 980 struct netbsd32_ieee80211_nwkey *nwk32, u_long cmd) 981 { 982 int i; 983 984 memcpy(nwk32->i_name, nwk->i_name, IFNAMSIZ); 985 nwk32->i_wepon = nwk->i_wepon; 986 nwk32->i_defkid = nwk->i_defkid; 987 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 988 nwk32->i_key[i].i_keylen = nwk->i_key[i].i_keylen; 989 NETBSD32PTR32(nwk32->i_key[i].i_keydat, 990 nwk->i_key[i].i_keydat); 991 } 992 } 993 994 static inline void 995 netbsd32_from_bpf_program(struct bpf_program *p, 996 struct netbsd32_bpf_program *s32p, u_long cmd) 997 { 998 999 NETBSD32PTR32(s32p->bf_insns, p->bf_insns); 1000 s32p->bf_len = p->bf_len; 1001 } 1002 1003 static inline void 1004 netbsd32_from_bpf_dltlist(struct bpf_dltlist *p, 1005 struct netbsd32_bpf_dltlist *s32p, u_long cmd) 1006 { 1007 1008 NETBSD32PTR32(s32p->bfl_list, p->bfl_list); 1009 s32p->bfl_len = p->bfl_len; 1010 } 1011 1012 static inline void 1013 netbsd32_from_u_long(u_long *p, netbsd32_u_long *s32p, u_long cmd) 1014 { 1015 1016 *s32p = (netbsd32_u_long)*p; 1017 } 1018 1019 static inline void 1020 netbsd32_from_voidp(voidp *p, netbsd32_voidp *s32p, u_long cmd) 1021 { 1022 1023 NETBSD32PTR32(*s32p, *p); 1024 } 1025 1026 static inline void 1027 netbsd32_from_clockctl_settimeofday(const struct clockctl_settimeofday *p, 1028 struct netbsd32_clockctl_settimeofday *s32p, u_long cmd) 1029 { 1030 1031 NETBSD32PTR32(s32p->tv, p->tv); 1032 NETBSD32PTR32(s32p->tzp, p->tzp); 1033 } 1034 1035 static inline void 1036 netbsd32_from_clockctl_adjtime(const struct clockctl_adjtime *p, 1037 struct netbsd32_clockctl_adjtime *s32p, u_long cmd) 1038 { 1039 1040 NETBSD32PTR32(s32p->delta, p->delta); 1041 NETBSD32PTR32(s32p->olddelta, p->olddelta); 1042 } 1043 1044 static inline void 1045 netbsd32_from_clockctl_clock_settime(const struct clockctl_clock_settime *p, 1046 struct netbsd32_clockctl_clock_settime *s32p, u_long cmd) 1047 { 1048 1049 s32p->clock_id = p->clock_id; 1050 NETBSD32PTR32(s32p->tp, p->tp); 1051 } 1052 1053 #ifdef NTP 1054 static inline void 1055 netbsd32_from_clockctl_ntp_adjtime(const struct clockctl_ntp_adjtime *p, 1056 struct netbsd32_clockctl_ntp_adjtime *s32p, u_long cmd) 1057 { 1058 1059 NETBSD32PTR32(s32p->tp, p->tp); 1060 s32p->retval = p->retval; 1061 } 1062 #endif 1063 1064 static inline void 1065 netbsd32_from_ksyms_gsymbol( const struct ksyms_gsymbol *p, 1066 struct netbsd32_ksyms_gsymbol *s32p, u_long cmd) 1067 { 1068 1069 NETBSD32PTR32(s32p->kg_name, p->kg_name); 1070 s32p->kg_sym = p->kg_sym; 1071 } 1072 1073 static inline void 1074 netbsd32_from_ksyms_gvalue( 1075 const struct ksyms_gvalue *p, 1076 struct netbsd32_ksyms_gvalue *s32p, u_long cmd) 1077 { 1078 1079 NETBSD32PTR32(s32p->kv_name, p->kv_name); 1080 s32p->kv_value = p->kv_value; 1081 } 1082 1083 static inline void 1084 netbsd32_from_npf_ioctl_table(const struct npf_ioctl_table *p, 1085 struct netbsd32_npf_ioctl_table *s32p, u_long cmd) 1086 { 1087 1088 s32p->nct_cmd = p->nct_cmd; 1089 NETBSD32PTR32(s32p->nct_name, p->nct_name); 1090 switch (p->nct_cmd) { 1091 case NPF_CMD_TABLE_LOOKUP: 1092 case NPF_CMD_TABLE_ADD: 1093 case NPF_CMD_TABLE_REMOVE: 1094 s32p->nct_data.ent = p->nct_data.ent; 1095 break; 1096 case NPF_CMD_TABLE_LIST: 1097 NETBSD32PTR32(s32p->nct_data.buf.buf, p->nct_data.buf.buf); 1098 s32p->nct_data.buf.len = p->nct_data.buf.len; 1099 break; 1100 } 1101 } 1102 1103 static inline void 1104 netbsd32_from_devlistargs(const struct devlistargs *p, 1105 struct netbsd32_devlistargs *s32p, u_long cmd) 1106 { 1107 1108 memcpy(s32p->l_devname, p->l_devname, sizeof(s32p->l_devname)); 1109 s32p->l_children = p->l_children; 1110 NETBSD32PTR32(s32p->l_childname, p->l_childname); 1111 } 1112 1113 static inline void 1114 netbsd32_from_devrescanargs(const struct devrescanargs *p, 1115 struct netbsd32_devrescanargs *s32p, u_long cmd) 1116 { 1117 1118 memcpy(s32p->busname, p->busname, sizeof(s32p->busname)); 1119 memcpy(s32p->ifattr, p->ifattr, sizeof(s32p->ifattr)); 1120 s32p->numlocators = p->numlocators; 1121 NETBSD32PTR32(s32p->locators, p->locators); 1122 } 1123 1124 static inline void 1125 netbsd32_from_disk_strategy(const struct disk_strategy *p, 1126 struct netbsd32_disk_strategy *s32p, u_long cmd) 1127 { 1128 1129 memcpy(s32p->dks_name, p->dks_name, sizeof(p->dks_name)); 1130 NETBSD32PTR32(s32p->dks_param, p->dks_param); 1131 s32p->dks_paramlen = p->dks_paramlen; 1132 } 1133 1134 static inline void 1135 netbsd32_from_dkwedge_list(const struct dkwedge_list *p, 1136 struct netbsd32_dkwedge_list *s32p, u_long cmd) 1137 { 1138 1139 NETBSD32PTR32(s32p->dkwl_buf, p->dkwl_buf); 1140 s32p->dkwl_bufsize = p->dkwl_bufsize; 1141 s32p->dkwl_nwedges = p->dkwl_nwedges; 1142 s32p->dkwl_ncopied = p->dkwl_ncopied; 1143 } 1144 1145 static inline void 1146 netbsd32_to_lsenable(struct netbsd32_lsenable *le32, struct lsenable *le, 1147 u_long cmd) 1148 { 1149 1150 le->le_csstart = le32->le_csstart; 1151 le->le_csend = le32->le_csend; 1152 le->le_lockstart = le32->le_lockstart; 1153 le->le_lockend = le32->le_lockend; 1154 le->le_nbufs = le32->le_nbufs; 1155 le->le_flags = le32->le_flags; 1156 le->le_mask = le32->le_mask; 1157 } 1158 1159 static inline void 1160 netbsd32_from_lsenable(struct lsenable *le, struct netbsd32_lsenable *le32, 1161 u_long cmd) 1162 { 1163 1164 le32->le_csstart = le->le_csstart; 1165 le32->le_csend = le->le_csend; 1166 le32->le_lockstart = le->le_lockstart; 1167 le32->le_lockend = le->le_lockend; 1168 le32->le_nbufs = le->le_nbufs; 1169 le32->le_flags = le->le_flags; 1170 le32->le_mask = le->le_mask; 1171 } 1172 1173 static inline void 1174 netbsd32_to_lsdisable(struct netbsd32_lsdisable *ld32, struct lsdisable *ld, 1175 u_long cmd) 1176 { 1177 1178 ld->ld_size = ld32->ld_size; 1179 netbsd32_to_timespec(&ld32->ld_time, &ld->ld_time); 1180 memcpy(&ld->ld_time, &ld32->ld_time, sizeof(ld->ld_time)); 1181 } 1182 1183 static inline void 1184 netbsd32_from_lsdisable(struct lsdisable *ld, struct netbsd32_lsdisable *ld32, 1185 u_long cmd) 1186 { 1187 1188 ld->ld_size = ld32->ld_size; 1189 netbsd32_from_timespec(&ld->ld_time, &ld32->ld_time); 1190 memcpy(&ld->ld_time, &ld32->ld_time, sizeof(ld->ld_time)); 1191 } 1192 1193 #ifdef NTP 1194 static int 1195 netbsd32_do_clockctl_ntp_adjtime(struct file *fp, 1196 struct clockctl_ntp_adjtime *args) 1197 { 1198 struct vnode *vp; 1199 struct specnode *sn; 1200 const char *name; 1201 1202 struct netbsd32_timex ntv32; 1203 struct timex ntv; 1204 int error; 1205 1206 /* Verify that the file descriptor is is to the clockctl device */ 1207 if (fp->f_type != DTYPE_VNODE) 1208 return EINVAL; 1209 1210 vp = fp->f_vnode; 1211 if (vp->v_type != VCHR) 1212 return EINVAL; 1213 1214 sn = vp->v_specnode; 1215 name = cdevsw_getname(major(sn->sn_rdev)); 1216 if (name == NULL || strcmp(name, "clockctl") != 0) 1217 return EINVAL; 1218 1219 if (vec_ntp_adjtime1 == NULL) 1220 return EINVAL; 1221 1222 error = copyin(args->tp, &ntv32, sizeof(ntv32)); 1223 if (error) 1224 return error; 1225 1226 netbsd32_to_timex(&ntv32, &ntv); 1227 (*vec_ntp_adjtime1)(&ntv); 1228 netbsd32_from_timex(&ntv, &ntv32); 1229 1230 error = copyout(&ntv32, args->tp, sizeof(ntv32)); 1231 if (error == 0) 1232 args->retval = ntp_timestatus(); 1233 1234 return error; 1235 } 1236 #endif 1237 1238 /* 1239 * main ioctl syscall. 1240 * 1241 * ok, here we are in the biggy. we have to do fix ups depending 1242 * on the ioctl command before and afterwards. 1243 */ 1244 int 1245 netbsd32_ioctl(struct lwp *l, 1246 const struct netbsd32_ioctl_args *uap, register_t *retval) 1247 { 1248 /* { 1249 syscallarg(int) fd; 1250 syscallarg(netbsd32_u_long) com; 1251 syscallarg(netbsd32_voidp) data; 1252 } */ 1253 struct proc *p = l->l_proc; 1254 struct file *fp; 1255 struct filedesc *fdp; 1256 u_long com; 1257 int error = 0; 1258 size_t size; 1259 size_t alloc_size32, size32; 1260 void *data, *memp = NULL; 1261 void *data32, *memp32 = NULL; 1262 unsigned int fd; 1263 fdfile_t *ff; 1264 int tmp; 1265 #define STK_PARAMS 128 1266 uint64_t stkbuf[STK_PARAMS/sizeof(uint64_t)]; 1267 uint64_t stkbuf32[STK_PARAMS/sizeof(uint64_t)]; 1268 1269 /* 1270 * we need to translate some commands (_IOW) before calling sys_ioctl, 1271 * some after (_IOR), and some both (_IOWR). 1272 */ 1273 #if 0 1274 { 1275 const char * const dirs[8] = { 1276 "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!", 1277 "INOUT", "VOID|IN|OUT!" 1278 }; 1279 1280 printf("netbsd32_ioctl(%d, %x, %x): " 1281 "%s group %c base %d len %d\n", 1282 SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data).i32, 1283 dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)], 1284 IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)), 1285 IOCPARM_LEN(SCARG(uap, com))); 1286 } 1287 #endif 1288 1289 memp = NULL; 1290 memp32 = NULL; 1291 alloc_size32 = 0; 1292 size32 = 0; 1293 size = 0; 1294 1295 fdp = p->p_fd; 1296 fd = SCARG(uap, fd); 1297 if ((fp = fd_getfile(fd)) == NULL) 1298 return EBADF; 1299 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1300 error = EBADF; 1301 goto out; 1302 } 1303 1304 ff = atomic_load_consume(&fdp->fd_dt)->dt_ff[SCARG(uap, fd)]; 1305 switch (com = SCARG(uap, com)) { 1306 case FIOCLEX: 1307 ff->ff_exclose = true; 1308 fdp->fd_exclose = true; 1309 goto out; 1310 1311 case FIONCLEX: 1312 ff->ff_exclose = false; 1313 goto out; 1314 } 1315 1316 /* 1317 * Interpret high order word to find amount of data to be 1318 * copied to/from the user's address space. 1319 */ 1320 size32 = IOCPARM_LEN(com); 1321 alloc_size32 = size32; 1322 1323 /* 1324 * The disklabel is now padded to a multiple of 8 bytes however the old 1325 * disklabel on 32bit platforms wasn't. This leaves a difference in 1326 * size of 4 bytes between the two but are otherwise identical. 1327 * To deal with this, we allocate enough space for the new disklabel 1328 * but only copyin/out the smaller amount. 1329 */ 1330 if (IOCGROUP(com) == 'd') { 1331 u_long ncom = com ^ (DIOCGDINFO ^ DIOCGDINFO32); 1332 switch (ncom) { 1333 case DIOCGDINFO: 1334 case DIOCWDINFO: 1335 case DIOCSDINFO: 1336 case DIOCGDEFLABEL: 1337 com = ncom; 1338 if (IOCPARM_LEN(DIOCGDINFO32) < IOCPARM_LEN(DIOCGDINFO)) 1339 alloc_size32 = IOCPARM_LEN(DIOCGDINFO); 1340 break; 1341 } 1342 } 1343 if (alloc_size32 > IOCPARM_MAX) { 1344 error = ENOTTY; 1345 goto out; 1346 } 1347 if (alloc_size32 > sizeof(stkbuf)) { 1348 memp32 = kmem_alloc(alloc_size32, KM_SLEEP); 1349 data32 = memp32; 1350 } else 1351 data32 = (void *)stkbuf32; 1352 if ((com >> IOCPARM_SHIFT) == 0) { 1353 /* UNIX-style ioctl. */ 1354 data32 = SCARG_P32(uap, data); 1355 } else { 1356 if (com&IOC_IN) { 1357 if (size32) { 1358 error = copyin(SCARG_P32(uap, data), data32, 1359 size32); 1360 if (error) { 1361 goto out; 1362 } 1363 /* 1364 * The data between size and alloc_size has 1365 * not been overwritten. It shouldn't matter 1366 * but let's clear that anyway. 1367 */ 1368 if (__predict_false(size32 < alloc_size32)) { 1369 memset((char *)data32+size32, 0, 1370 alloc_size32 - size32); 1371 } 1372 ktrgenio(fd, UIO_WRITE, SCARG_P32(uap, data), 1373 size32, 0); 1374 } else 1375 *(void **)data32 = SCARG_P32(uap, data); 1376 } else if ((com&IOC_OUT) && size32) { 1377 /* 1378 * Zero the buffer so the user always 1379 * gets back something deterministic. 1380 */ 1381 memset(data32, 0, alloc_size32); 1382 } else if (com&IOC_VOID) { 1383 *(void **)data32 = SCARG_P32(uap, data); 1384 } 1385 } 1386 1387 /* 1388 * convert various structures, pointers, and other objects that 1389 * change size from 32 bit -> 64 bit, for all ioctl commands. 1390 */ 1391 switch (SCARG(uap, com)) { 1392 case FIONBIO: 1393 mutex_enter(&fp->f_lock); 1394 if ((tmp = *(int *)data32) != 0) 1395 fp->f_flag |= FNONBLOCK; 1396 else 1397 fp->f_flag &= ~FNONBLOCK; 1398 mutex_exit(&fp->f_lock); 1399 error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (void *)&tmp); 1400 break; 1401 1402 case FIOASYNC: 1403 mutex_enter(&fp->f_lock); 1404 if ((tmp = *(int *)data32) != 0) 1405 fp->f_flag |= FASYNC; 1406 else 1407 fp->f_flag &= ~FASYNC; 1408 mutex_exit(&fp->f_lock); 1409 error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (void *)&tmp); 1410 break; 1411 1412 case AUDIO_WSEEK32: 1413 IOCTL_CONV_TO(AUDIO_WSEEK, u_long); 1414 1415 #if 0 /* not implemented by anything */ 1416 case DIOCRFORMAT32: 1417 IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op); 1418 case DIOCWFORMAT32: 1419 IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op); 1420 #endif 1421 1422 case KFILTER_BYFILTER32: 1423 IOCTL_STRUCT_CONV_TO(KFILTER_BYFILTER, kfilter_mapping); 1424 case KFILTER_BYNAME32: 1425 IOCTL_STRUCT_CONV_TO(KFILTER_BYNAME, kfilter_mapping); 1426 1427 case ATAIOCCOMMAND32: 1428 IOCTL_STRUCT_CONV_TO(ATAIOCCOMMAND, atareq); 1429 1430 case SIOCIFGCLONERS32: 1431 { 1432 struct netbsd32_if_clonereq *req = 1433 (struct netbsd32_if_clonereq *)data32; 1434 char *buf = NETBSD32PTR64(req->ifcr_buffer); 1435 1436 error = if_clone_list(req->ifcr_count, 1437 buf, &req->ifcr_total); 1438 break; 1439 } 1440 1441 /* 1442 * only a few ifreq syscalls need conversion and those are 1443 * all driver specific... XXX 1444 */ 1445 #if 0 1446 case SIOCGADDRROM3232: 1447 IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq); 1448 case SIOCGCHIPID32: 1449 IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq); 1450 case SIOCSIFADDR32: 1451 IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq); 1452 case OSIOCGIFADDR32: 1453 IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq); 1454 case SIOCGIFADDR32: 1455 IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq); 1456 case SIOCSIFDSTADDR32: 1457 IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq); 1458 case OSIOCGIFDSTADDR32: 1459 IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq); 1460 case SIOCGIFDSTADDR32: 1461 IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq); 1462 case OSIOCGIFBRDADDR32: 1463 IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq); 1464 case SIOCGIFBRDADDR32: 1465 IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq); 1466 case SIOCSIFBRDADDR32: 1467 IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq); 1468 case OSIOCGIFNETMASK32: 1469 IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq); 1470 case SIOCGIFNETMASK32: 1471 IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq); 1472 case SIOCSIFNETMASK32: 1473 IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq); 1474 case SIOCGIFMETRIC32: 1475 IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq); 1476 case SIOCSIFMETRIC32: 1477 IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq); 1478 case SIOCDIFADDR32: 1479 IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq); 1480 case SIOCADDMULTI32: 1481 IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq); 1482 case SIOCDELMULTI32: 1483 IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq); 1484 case SIOCSIFMEDIA32: 1485 IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq); 1486 case SIOCSIFMTU32: 1487 IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq); 1488 case SIOCGIFMTU32: 1489 IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq); 1490 case BIOCGETIF32: 1491 IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq); 1492 case BIOCSETIF32: 1493 IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq); 1494 case SIOCPHASE132: 1495 IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq); 1496 case SIOCPHASE232: 1497 IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq); 1498 #endif 1499 1500 case OOSIOCGIFCONF32: 1501 IOCTL_STRUCT_CONV_TO(OOSIOCGIFCONF, ifconf); 1502 case OSIOCGIFCONF32: 1503 IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf); 1504 case SIOCGIFCONF32: 1505 IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf); 1506 1507 case SIOCGIFFLAGS32: 1508 IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq); 1509 case SIOCSIFFLAGS32: 1510 IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq); 1511 1512 case SIOCGIFADDRPREF32: 1513 IOCTL_STRUCT_CONV_TO(SIOCGIFADDRPREF, if_addrprefreq); 1514 case SIOCSIFADDRPREF32: 1515 IOCTL_STRUCT_CONV_TO(SIOCSIFADDRPREF, if_addrprefreq); 1516 1517 1518 case OSIOCGIFFLAGS32: 1519 IOCTL_STRUCT_CONV_TO(OSIOCGIFFLAGS, oifreq); 1520 case OSIOCSIFFLAGS32: 1521 IOCTL_STRUCT_CONV_TO(OSIOCSIFFLAGS, oifreq); 1522 1523 case SIOCGIFMEDIA32_80: 1524 IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA_80, ifmediareq); 1525 case SIOCGIFMEDIA32: 1526 IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq); 1527 1528 case SIOCGNBRINFO_IN632: 1529 IOCTL_STRUCT_CONV_TO(SIOCGNBRINFO_IN6, in6_nbrinfo); 1530 1531 case SIOCGIFGENERIC32: 1532 IOCTL_STRUCT_CONV_TO(SIOCGIFGENERIC, ifreq); 1533 case SIOCSIFGENERIC32: 1534 IOCTL_STRUCT_CONV_TO(SIOCSIFGENERIC, ifreq); 1535 1536 case PPPOESETPARMS32: 1537 IOCTL_STRUCT_CONV_TO(PPPOESETPARMS, pppoediscparms); 1538 case PPPOEGETPARMS32: 1539 IOCTL_STRUCT_CONV_TO(PPPOEGETPARMS, pppoediscparms); 1540 case SPPPGETAUTHCFG32: 1541 IOCTL_STRUCT_CONV_TO(SPPPGETAUTHCFG, spppauthcfg); 1542 case SPPPSETAUTHCFG32: 1543 IOCTL_STRUCT_CONV_TO(SPPPSETAUTHCFG, spppauthcfg); 1544 1545 case SIOCSDRVSPEC32: 1546 IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv); 1547 case SIOCGDRVSPEC32: 1548 IOCTL_STRUCT_CONV_TO(SIOCGDRVSPEC, ifdrv); 1549 1550 case SIOCGETVIFCNT32: 1551 IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req); 1552 1553 case SIOCGETSGCNT32: 1554 IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req); 1555 1556 case FSSIOCSET32: /* XXX FSSIOCSET50 not yet handled */ 1557 IOCTL_STRUCT_CONV_TO(FSSIOCSET, fss_set); 1558 case FSSIOCGET32: /* XXX FSSIOCGET50 not yet handled */ 1559 IOCTL_STRUCT_CONV_TO(FSSIOCGET, fss_get); 1560 1561 case VNDIOCSET32: 1562 IOCTL_STRUCT_CONV_TO(VNDIOCSET, vnd_ioctl); 1563 case VNDIOCCLR32: 1564 IOCTL_STRUCT_CONV_TO(VNDIOCCLR, vnd_ioctl); 1565 case VNDIOCGET32: 1566 IOCTL_STRUCT_CONV_TO(VNDIOCGET, vnd_user); 1567 case VNDIOCSET5032: 1568 IOCTL_STRUCT_CONV_TO(VNDIOCSET50, vnd_ioctl50); 1569 case VNDIOCCLR5032: 1570 IOCTL_STRUCT_CONV_TO(VNDIOCCLR50, vnd_ioctl50); 1571 1572 case ENVSYS_GETDICTIONARY32: 1573 IOCTL_STRUCT_CONV_TO(ENVSYS_GETDICTIONARY, plistref); 1574 case ENVSYS_SETDICTIONARY32: 1575 IOCTL_STRUCT_CONV_TO(ENVSYS_SETDICTIONARY, plistref); 1576 case ENVSYS_REMOVEPROPS32: 1577 IOCTL_STRUCT_CONV_TO(ENVSYS_REMOVEPROPS, plistref); 1578 1579 case WDOGIOC_GWDOGS32: 1580 IOCTL_STRUCT_CONV_TO(WDOGIOC_GWDOGS, wdog_conf); 1581 1582 case BIOCSETF32: 1583 IOCTL_STRUCT_CONV_TO(BIOCSETF, bpf_program); 1584 case BIOCSETWF32: 1585 IOCTL_STRUCT_CONV_TO(BIOCSETWF, bpf_program); 1586 case BIOCSTCPF32: 1587 IOCTL_STRUCT_CONV_TO(BIOCSTCPF, bpf_program); 1588 case BIOCSUDPF32: 1589 IOCTL_STRUCT_CONV_TO(BIOCSUDPF, bpf_program); 1590 case BIOCGDLTLIST32: 1591 IOCTL_STRUCT_CONV_TO(BIOCGDLTLIST, bpf_dltlist); 1592 case BIOCSRTIMEOUT32: 1593 #define netbsd32_to_timeval(s32p, p, cmd) netbsd32_to_timeval(s32p, p) 1594 #define netbsd32_from_timeval(p, s32p, cmd) netbsd32_from_timeval(p, s32p) 1595 IOCTL_STRUCT_CONV_TO(BIOCSRTIMEOUT, timeval); 1596 #undef netbsd32_to_timeval 1597 #undef netbsd32_from_timeval 1598 1599 case WSDISPLAYIO_ADDSCREEN32: 1600 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_ADDSCREEN, 1601 wsdisplay_addscreendata); 1602 1603 case WSDISPLAYIO_GCURSOR32: 1604 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_GCURSOR, wsdisplay_cursor); 1605 case WSDISPLAYIO_SCURSOR32: 1606 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_SCURSOR, wsdisplay_cursor); 1607 1608 case WSDISPLAYIO_GETCMAP32: 1609 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_GETCMAP, wsdisplay_cmap); 1610 case WSDISPLAYIO_PUTCMAP32: 1611 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_PUTCMAP, wsdisplay_cmap); 1612 1613 case WSDISPLAYIO_LDFONT32: 1614 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_LDFONT, wsdisplay_font); 1615 case WSDISPLAYIO_SFONT32: 1616 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_SFONT, wsdisplay_usefontdata); 1617 1618 case SIOCS8021132: 1619 IOCTL_STRUCT_CONV_TO(SIOCS80211, ieee80211req); 1620 case SIOCG8021132: 1621 IOCTL_STRUCT_CONV_TO(SIOCG80211, ieee80211req); 1622 case SIOCS80211NWKEY32: 1623 IOCTL_STRUCT_CONV_TO(SIOCS80211NWKEY, ieee80211_nwkey); 1624 case SIOCG80211NWKEY32: 1625 IOCTL_STRUCT_CONV_TO(SIOCG80211NWKEY, ieee80211_nwkey); 1626 1627 case POWER_EVENT_RECVDICT32: 1628 IOCTL_STRUCT_CONV_TO(POWER_EVENT_RECVDICT, plistref); 1629 1630 case CLOCKCTL_SETTIMEOFDAY32: 1631 IOCTL_STRUCT_CONV_TO(CLOCKCTL_SETTIMEOFDAY, 1632 clockctl_settimeofday); 1633 case CLOCKCTL_ADJTIME32: 1634 IOCTL_STRUCT_CONV_TO(CLOCKCTL_ADJTIME, clockctl_adjtime); 1635 case CLOCKCTL_CLOCK_SETTIME32: 1636 IOCTL_STRUCT_CONV_TO(CLOCKCTL_CLOCK_SETTIME, 1637 clockctl_clock_settime); 1638 case CLOCKCTL_NTP_ADJTIME32: 1639 #ifdef NTP 1640 { 1641 size = IOCPARM_LEN(CLOCKCTL_NTP_ADJTIME); 1642 if (size > sizeof(stkbuf)) 1643 data = memp = kmem_alloc(size, KM_SLEEP); 1644 else 1645 data = (void *)stkbuf; 1646 1647 netbsd32_to_clockctl_ntp_adjtime( 1648 (const struct netbsd32_clockctl_ntp_adjtime *)data32, 1649 (struct clockctl_ntp_adjtime *)data, 1650 CLOCKCTL_NTP_ADJTIME); 1651 error = netbsd32_do_clockctl_ntp_adjtime(fp, 1652 (struct clockctl_ntp_adjtime *)data); 1653 netbsd32_from_clockctl_ntp_adjtime( 1654 (const struct clockctl_ntp_adjtime *)data, 1655 (struct netbsd32_clockctl_ntp_adjtime *)data32, 1656 CLOCKCTL_NTP_ADJTIME); 1657 1658 break; 1659 } 1660 #else 1661 error = ENOTTY; 1662 break; 1663 #endif /* NTP */ 1664 1665 case KIOCGSYMBOL32: 1666 IOCTL_STRUCT_CONV_TO(KIOCGSYMBOL, ksyms_gsymbol); 1667 case KIOCGVALUE32: 1668 IOCTL_STRUCT_CONV_TO(KIOCGVALUE, ksyms_gvalue); 1669 1670 case IOC_NPF_LOAD32: 1671 IOCTL_CONV_TO(IOC_NPF_LOAD, nvlist_ref_t); 1672 case IOC_NPF_TABLE32: 1673 IOCTL_STRUCT_CONV_TO(IOC_NPF_TABLE, npf_ioctl_table); 1674 case IOC_NPF_STATS32: 1675 IOCTL_CONV_TO(IOC_NPF_STATS, voidp); 1676 case IOC_NPF_SAVE32: 1677 IOCTL_CONV_TO(IOC_NPF_SAVE, nvlist_ref_t); 1678 case IOC_NPF_RULE32: 1679 IOCTL_CONV_TO(IOC_NPF_RULE, nvlist_ref_t); 1680 case IOC_NPF_CONN_LOOKUP32: 1681 IOCTL_CONV_TO(IOC_NPF_CONN_LOOKUP, nvlist_ref_t); 1682 1683 case DRVRESCANBUS32: 1684 IOCTL_STRUCT_CONV_TO(DRVRESCANBUS, devrescanargs); 1685 case DRVLISTDEV32: 1686 IOCTL_STRUCT_CONV_TO(DRVLISTDEV, devlistargs); 1687 case DRVCTLCOMMAND32: 1688 IOCTL_STRUCT_CONV_TO(DRVCTLCOMMAND, plistref); 1689 case DRVGETEVENT32: 1690 IOCTL_STRUCT_CONV_TO(DRVGETEVENT, plistref); 1691 1692 case DIOCGSTRATEGY32: 1693 IOCTL_STRUCT_CONV_TO(DIOCGSTRATEGY, disk_strategy); 1694 case DIOCSSTRATEGY32: 1695 IOCTL_STRUCT_CONV_TO(DIOCSSTRATEGY, disk_strategy); 1696 case DIOCLWEDGES32: 1697 IOCTL_STRUCT_CONV_TO(DIOCLWEDGES, dkwedge_list); 1698 1699 case IOC_LOCKSTAT_ENABLE32: 1700 IOCTL_STRUCT_CONV_TO(IOC_LOCKSTAT_ENABLE, lsenable); 1701 case IOC_LOCKSTAT_DISABLE32: 1702 IOCTL_STRUCT_CONV_TO(IOC_LOCKSTAT_DISABLE, lsdisable); 1703 1704 default: 1705 #ifdef NETBSD32_DRMKMS 1706 if (IOCGROUP(com) == 'd') { 1707 error = netbsd32_drm_ioctl(fp, com, data32, l); 1708 break; 1709 } 1710 #endif 1711 #ifdef NETBSD32_MD_IOCTL 1712 error = netbsd32_md_ioctl(fp, com, data32, l); 1713 #else 1714 error = (*fp->f_ops->fo_ioctl)(fp, com, data32); 1715 #endif 1716 break; 1717 } 1718 1719 if (error == EPASSTHROUGH) 1720 error = ENOTTY; 1721 1722 /* 1723 * Copy any data to user, size was 1724 * already set and checked above. 1725 */ 1726 if (error == 0 && (com&IOC_OUT) && size32) { 1727 error = copyout(data32, SCARG_P32(uap, data), size32); 1728 ktrgenio(fd, UIO_READ, SCARG_P32(uap, data), 1729 size32, error); 1730 } 1731 1732 out: 1733 /* If we allocated data, free it here. */ 1734 if (memp32) 1735 kmem_free(memp32, alloc_size32); 1736 if (memp) 1737 kmem_free(memp, size); 1738 fd_putfile(fd); 1739 return error; 1740 } 1741