Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: ioctl.c,v 1.17 2002/02/08 03:57:14 davem Exp $ |
| 2 | * ioctl.c: Solaris ioctl emulation. |
| 3 | * |
| 4 | * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) |
| 5 | * Copyright (C) 1997,1998 Patrik Rak (prak3264@ss1000.ms.mff.cuni.cz) |
| 6 | * |
| 7 | * Streams & timod emulation based on code |
| 8 | * Copyright (C) 1995, 1996 Mike Jagdis (jaggy@purplet.demon.co.uk) |
| 9 | * |
| 10 | * 1999-08-19 Implemented solaris 'm' (mag tape) and |
| 11 | * 'O' (openprom) ioctls, by Jason Rappleye |
| 12 | * (rappleye@ccr.buffalo.edu) |
| 13 | */ |
| 14 | |
| 15 | #include <linux/types.h> |
| 16 | #include <linux/kernel.h> |
| 17 | #include <linux/sched.h> |
| 18 | #include <linux/smp.h> |
| 19 | #include <linux/smp_lock.h> |
| 20 | #include <linux/syscalls.h> |
| 21 | #include <linux/ioctl.h> |
| 22 | #include <linux/fs.h> |
| 23 | #include <linux/file.h> |
| 24 | #include <linux/netdevice.h> |
| 25 | #include <linux/mtio.h> |
| 26 | #include <linux/time.h> |
| 27 | #include <linux/compat.h> |
| 28 | |
| 29 | #include <net/sock.h> |
| 30 | |
| 31 | #include <asm/uaccess.h> |
| 32 | #include <asm/termios.h> |
| 33 | #include <asm/openpromio.h> |
| 34 | |
| 35 | #include "conv.h" |
| 36 | #include "socksys.h" |
| 37 | |
| 38 | extern asmlinkage int compat_sys_ioctl(unsigned int fd, unsigned int cmd, |
| 39 | u32 arg); |
| 40 | asmlinkage int solaris_ioctl(unsigned int fd, unsigned int cmd, u32 arg); |
| 41 | |
| 42 | extern int timod_putmsg(unsigned int fd, char __user *ctl_buf, int ctl_len, |
| 43 | char __user *data_buf, int data_len, int flags); |
| 44 | extern int timod_getmsg(unsigned int fd, char __user *ctl_buf, int ctl_maxlen, int __user *ctl_len, |
| 45 | char __user *data_buf, int data_maxlen, int __user *data_len, int *flags); |
| 46 | |
| 47 | /* termio* stuff {{{ */ |
| 48 | |
| 49 | struct solaris_termios { |
| 50 | u32 c_iflag; |
| 51 | u32 c_oflag; |
| 52 | u32 c_cflag; |
| 53 | u32 c_lflag; |
| 54 | u8 c_cc[19]; |
| 55 | }; |
| 56 | |
| 57 | struct solaris_termio { |
| 58 | u16 c_iflag; |
| 59 | u16 c_oflag; |
| 60 | u16 c_cflag; |
| 61 | u16 c_lflag; |
| 62 | s8 c_line; |
| 63 | u8 c_cc[8]; |
| 64 | }; |
| 65 | |
| 66 | struct solaris_termiox { |
| 67 | u16 x_hflag; |
| 68 | u16 x_cflag; |
| 69 | u16 x_rflag[5]; |
| 70 | u16 x_sflag; |
| 71 | }; |
| 72 | |
| 73 | static u32 solaris_to_linux_cflag(u32 cflag) |
| 74 | { |
| 75 | cflag &= 0x7fdff000; |
| 76 | if (cflag & 0x200000) { |
| 77 | int baud = cflag & 0xf; |
| 78 | cflag &= ~0x20000f; |
| 79 | switch (baud) { |
| 80 | case 0: baud = B57600; break; |
| 81 | case 1: baud = B76800; break; |
| 82 | case 2: baud = B115200; break; |
| 83 | case 3: baud = B153600; break; |
| 84 | case 4: baud = B230400; break; |
| 85 | case 5: baud = B307200; break; |
| 86 | case 6: baud = B460800; break; |
| 87 | } |
| 88 | cflag |= CBAUDEX | baud; |
| 89 | } |
| 90 | return cflag; |
| 91 | } |
| 92 | |
| 93 | static u32 linux_to_solaris_cflag(u32 cflag) |
| 94 | { |
| 95 | cflag &= ~(CMSPAR | CIBAUD); |
| 96 | if (cflag & CBAUDEX) { |
| 97 | int baud = cflag & CBAUD; |
| 98 | cflag &= ~CBAUD; |
| 99 | switch (baud) { |
| 100 | case B57600: baud = 0; break; |
| 101 | case B76800: baud = 1; break; |
| 102 | case B115200: baud = 2; break; |
| 103 | case B153600: baud = 3; break; |
| 104 | case B230400: baud = 4; break; |
| 105 | case B307200: baud = 5; break; |
| 106 | case B460800: baud = 6; break; |
| 107 | case B614400: baud = 7; break; |
| 108 | case B921600: baud = 8; break; |
| 109 | #if 0 |
| 110 | case B1843200: baud = 9; break; |
| 111 | #endif |
| 112 | } |
| 113 | cflag |= 0x200000 | baud; |
| 114 | } |
| 115 | return cflag; |
| 116 | } |
| 117 | |
| 118 | static inline int linux_to_solaris_termio(unsigned int fd, unsigned int cmd, u32 arg) |
| 119 | { |
| 120 | struct solaris_termio __user *p = A(arg); |
| 121 | int ret; |
| 122 | |
| 123 | ret = sys_ioctl(fd, cmd, (unsigned long)p); |
| 124 | if (!ret) { |
| 125 | u32 cflag; |
| 126 | |
| 127 | if (__get_user (cflag, &p->c_cflag)) |
| 128 | return -EFAULT; |
| 129 | cflag = linux_to_solaris_cflag(cflag); |
| 130 | if (__put_user (cflag, &p->c_cflag)) |
| 131 | return -EFAULT; |
| 132 | } |
| 133 | return ret; |
| 134 | } |
| 135 | |
| 136 | static int solaris_to_linux_termio(unsigned int fd, unsigned int cmd, u32 arg) |
| 137 | { |
| 138 | int ret; |
| 139 | struct solaris_termio s; |
| 140 | mm_segment_t old_fs = get_fs(); |
| 141 | |
| 142 | if (copy_from_user (&s, (struct solaris_termio __user *)A(arg), sizeof(struct solaris_termio))) |
| 143 | return -EFAULT; |
| 144 | s.c_cflag = solaris_to_linux_cflag(s.c_cflag); |
| 145 | set_fs(KERNEL_DS); |
| 146 | ret = sys_ioctl(fd, cmd, (unsigned long)&s); |
| 147 | set_fs(old_fs); |
| 148 | return ret; |
| 149 | } |
| 150 | |
| 151 | static inline int linux_to_solaris_termios(unsigned int fd, unsigned int cmd, u32 arg) |
| 152 | { |
| 153 | int ret; |
| 154 | struct solaris_termios s; |
| 155 | mm_segment_t old_fs = get_fs(); |
| 156 | |
| 157 | set_fs(KERNEL_DS); |
| 158 | ret = sys_ioctl(fd, cmd, (unsigned long)&s); |
| 159 | set_fs(old_fs); |
| 160 | if (!ret) { |
| 161 | struct solaris_termios __user *p = A(arg); |
| 162 | if (put_user (s.c_iflag, &p->c_iflag) || |
| 163 | __put_user (s.c_oflag, &p->c_oflag) || |
| 164 | __put_user (linux_to_solaris_cflag(s.c_cflag), &p->c_cflag) || |
| 165 | __put_user (s.c_lflag, &p->c_lflag) || |
| 166 | __copy_to_user (p->c_cc, s.c_cc, 16) || |
| 167 | __clear_user (p->c_cc + 16, 2)) |
| 168 | return -EFAULT; |
| 169 | } |
| 170 | return ret; |
| 171 | } |
| 172 | |
| 173 | static int solaris_to_linux_termios(unsigned int fd, unsigned int cmd, u32 arg) |
| 174 | { |
| 175 | int ret; |
| 176 | struct solaris_termios s; |
| 177 | struct solaris_termios __user *p = A(arg); |
| 178 | mm_segment_t old_fs = get_fs(); |
| 179 | |
| 180 | set_fs(KERNEL_DS); |
| 181 | ret = sys_ioctl(fd, TCGETS, (unsigned long)&s); |
| 182 | set_fs(old_fs); |
| 183 | if (ret) return ret; |
| 184 | if (put_user (s.c_iflag, &p->c_iflag) || |
| 185 | __put_user (s.c_oflag, &p->c_oflag) || |
| 186 | __put_user (s.c_cflag, &p->c_cflag) || |
| 187 | __put_user (s.c_lflag, &p->c_lflag) || |
| 188 | __copy_from_user (s.c_cc, p->c_cc, 16)) |
| 189 | return -EFAULT; |
| 190 | s.c_cflag = solaris_to_linux_cflag(s.c_cflag); |
| 191 | set_fs(KERNEL_DS); |
| 192 | ret = sys_ioctl(fd, cmd, (unsigned long)&s); |
| 193 | set_fs(old_fs); |
| 194 | return ret; |
| 195 | } |
| 196 | |
| 197 | static inline int solaris_T(unsigned int fd, unsigned int cmd, u32 arg) |
| 198 | { |
| 199 | switch (cmd & 0xff) { |
| 200 | case 1: /* TCGETA */ |
| 201 | return linux_to_solaris_termio(fd, TCGETA, arg); |
| 202 | case 2: /* TCSETA */ |
| 203 | return solaris_to_linux_termio(fd, TCSETA, arg); |
| 204 | case 3: /* TCSETAW */ |
| 205 | return solaris_to_linux_termio(fd, TCSETAW, arg); |
| 206 | case 4: /* TCSETAF */ |
| 207 | return solaris_to_linux_termio(fd, TCSETAF, arg); |
| 208 | case 5: /* TCSBRK */ |
| 209 | return sys_ioctl(fd, TCSBRK, arg); |
| 210 | case 6: /* TCXONC */ |
| 211 | return sys_ioctl(fd, TCXONC, arg); |
| 212 | case 7: /* TCFLSH */ |
| 213 | return sys_ioctl(fd, TCFLSH, arg); |
| 214 | case 13: /* TCGETS */ |
| 215 | return linux_to_solaris_termios(fd, TCGETS, arg); |
| 216 | case 14: /* TCSETS */ |
| 217 | return solaris_to_linux_termios(fd, TCSETS, arg); |
| 218 | case 15: /* TCSETSW */ |
| 219 | return solaris_to_linux_termios(fd, TCSETSW, arg); |
| 220 | case 16: /* TCSETSF */ |
| 221 | return solaris_to_linux_termios(fd, TCSETSF, arg); |
| 222 | case 103: /* TIOCSWINSZ */ |
| 223 | return sys_ioctl(fd, TIOCSWINSZ, arg); |
| 224 | case 104: /* TIOCGWINSZ */ |
| 225 | return sys_ioctl(fd, TIOCGWINSZ, arg); |
| 226 | } |
| 227 | return -ENOSYS; |
| 228 | } |
| 229 | |
| 230 | static inline int solaris_t(unsigned int fd, unsigned int cmd, u32 arg) |
| 231 | { |
| 232 | switch (cmd & 0xff) { |
| 233 | case 20: /* TIOCGPGRP */ |
| 234 | return sys_ioctl(fd, TIOCGPGRP, arg); |
| 235 | case 21: /* TIOCSPGRP */ |
| 236 | return sys_ioctl(fd, TIOCSPGRP, arg); |
| 237 | } |
| 238 | return -ENOSYS; |
| 239 | } |
| 240 | |
| 241 | /* }}} */ |
| 242 | |
| 243 | /* A pseudo STREAMS support {{{ */ |
| 244 | |
| 245 | struct strioctl { |
| 246 | int cmd, timeout, len; |
| 247 | u32 data; |
| 248 | }; |
| 249 | |
| 250 | struct solaris_si_sockparams { |
| 251 | int sp_family; |
| 252 | int sp_type; |
| 253 | int sp_protocol; |
| 254 | }; |
| 255 | |
| 256 | struct solaris_o_si_udata { |
| 257 | int tidusize; |
| 258 | int addrsize; |
| 259 | int optsize; |
| 260 | int etsdusize; |
| 261 | int servtype; |
| 262 | int so_state; |
| 263 | int so_options; |
| 264 | int tsdusize; |
| 265 | }; |
| 266 | |
| 267 | struct solaris_si_udata { |
| 268 | int tidusize; |
| 269 | int addrsize; |
| 270 | int optsize; |
| 271 | int etsdusize; |
| 272 | int servtype; |
| 273 | int so_state; |
| 274 | int so_options; |
| 275 | int tsdusize; |
| 276 | struct solaris_si_sockparams sockparams; |
| 277 | }; |
| 278 | |
| 279 | #define SOLARIS_MODULE_TIMOD 0 |
| 280 | #define SOLARIS_MODULE_SOCKMOD 1 |
| 281 | #define SOLARIS_MODULE_MAX 2 |
| 282 | |
| 283 | static struct module_info { |
| 284 | const char *name; |
| 285 | /* can be expanded further if needed */ |
| 286 | } module_table[ SOLARIS_MODULE_MAX + 1 ] = { |
| 287 | /* the ordering here must match the module numbers above! */ |
| 288 | { "timod" }, |
| 289 | { "sockmod" }, |
| 290 | { NULL } |
| 291 | }; |
| 292 | |
| 293 | static inline int solaris_sockmod(unsigned int fd, unsigned int cmd, u32 arg) |
| 294 | { |
| 295 | struct inode *ino; |
| 296 | /* I wonder which of these tests are superfluous... --patrik */ |
| 297 | spin_lock(¤t->files->file_lock); |
| 298 | if (! current->files->fd[fd] || |
| 299 | ! current->files->fd[fd]->f_dentry || |
| 300 | ! (ino = current->files->fd[fd]->f_dentry->d_inode) || |
| 301 | ! S_ISSOCK(ino->i_mode)) { |
| 302 | spin_unlock(¤t->files->file_lock); |
| 303 | return TBADF; |
| 304 | } |
| 305 | spin_unlock(¤t->files->file_lock); |
| 306 | |
| 307 | switch (cmd & 0xff) { |
| 308 | case 109: /* SI_SOCKPARAMS */ |
| 309 | { |
| 310 | struct solaris_si_sockparams si; |
| 311 | if (copy_from_user (&si, A(arg), sizeof(si))) |
| 312 | return (EFAULT << 8) | TSYSERR; |
| 313 | |
| 314 | /* Should we modify socket ino->socket_i.ops and type? */ |
| 315 | return 0; |
| 316 | } |
| 317 | case 110: /* SI_GETUDATA */ |
| 318 | { |
| 319 | int etsdusize, servtype; |
| 320 | struct solaris_si_udata __user *p = A(arg); |
| 321 | switch (SOCKET_I(ino)->type) { |
| 322 | case SOCK_STREAM: |
| 323 | etsdusize = 1; |
| 324 | servtype = 2; |
| 325 | break; |
| 326 | default: |
| 327 | etsdusize = -2; |
| 328 | servtype = 3; |
| 329 | break; |
| 330 | } |
| 331 | if (put_user(16384, &p->tidusize) || |
| 332 | __put_user(sizeof(struct sockaddr), &p->addrsize) || |
| 333 | __put_user(-1, &p->optsize) || |
| 334 | __put_user(etsdusize, &p->etsdusize) || |
| 335 | __put_user(servtype, &p->servtype) || |
| 336 | __put_user(0, &p->so_state) || |
| 337 | __put_user(0, &p->so_options) || |
| 338 | __put_user(16384, &p->tsdusize) || |
| 339 | __put_user(SOCKET_I(ino)->ops->family, &p->sockparams.sp_family) || |
| 340 | __put_user(SOCKET_I(ino)->type, &p->sockparams.sp_type) || |
| 341 | __put_user(SOCKET_I(ino)->ops->family, &p->sockparams.sp_protocol)) |
| 342 | return (EFAULT << 8) | TSYSERR; |
| 343 | return 0; |
| 344 | } |
| 345 | case 101: /* O_SI_GETUDATA */ |
| 346 | { |
| 347 | int etsdusize, servtype; |
| 348 | struct solaris_o_si_udata __user *p = A(arg); |
| 349 | switch (SOCKET_I(ino)->type) { |
| 350 | case SOCK_STREAM: |
| 351 | etsdusize = 1; |
| 352 | servtype = 2; |
| 353 | break; |
| 354 | default: |
| 355 | etsdusize = -2; |
| 356 | servtype = 3; |
| 357 | break; |
| 358 | } |
| 359 | if (put_user(16384, &p->tidusize) || |
| 360 | __put_user(sizeof(struct sockaddr), &p->addrsize) || |
| 361 | __put_user(-1, &p->optsize) || |
| 362 | __put_user(etsdusize, &p->etsdusize) || |
| 363 | __put_user(servtype, &p->servtype) || |
| 364 | __put_user(0, &p->so_state) || |
| 365 | __put_user(0, &p->so_options) || |
| 366 | __put_user(16384, &p->tsdusize)) |
| 367 | return (EFAULT << 8) | TSYSERR; |
| 368 | return 0; |
| 369 | } |
| 370 | case 102: /* SI_SHUTDOWN */ |
| 371 | case 103: /* SI_LISTEN */ |
| 372 | case 104: /* SI_SETMYNAME */ |
| 373 | case 105: /* SI_SETPEERNAME */ |
| 374 | case 106: /* SI_GETINTRANSIT */ |
| 375 | case 107: /* SI_TCL_LINK */ |
| 376 | case 108: /* SI_TCL_UNLINK */ |
| 377 | ; |
| 378 | } |
| 379 | return TNOTSUPPORT; |
| 380 | } |
| 381 | |
| 382 | static inline int solaris_timod(unsigned int fd, unsigned int cmd, u32 arg, |
| 383 | int len, int __user *len_p) |
| 384 | { |
| 385 | int ret; |
| 386 | |
| 387 | switch (cmd & 0xff) { |
| 388 | case 141: /* TI_OPTMGMT */ |
| 389 | { |
| 390 | int i; |
| 391 | u32 prim; |
| 392 | SOLD("TI_OPMGMT entry"); |
| 393 | ret = timod_putmsg(fd, A(arg), len, NULL, -1, 0); |
| 394 | SOLD("timod_putmsg() returned"); |
| 395 | if (ret) |
| 396 | return (-ret << 8) | TSYSERR; |
| 397 | i = MSG_HIPRI; |
| 398 | SOLD("calling timod_getmsg()"); |
| 399 | ret = timod_getmsg(fd, A(arg), len, len_p, NULL, -1, NULL, &i); |
| 400 | SOLD("timod_getmsg() returned"); |
| 401 | if (ret) |
| 402 | return (-ret << 8) | TSYSERR; |
| 403 | SOLD("ret ok"); |
| 404 | if (get_user(prim, (u32 __user *)A(arg))) |
| 405 | return (EFAULT << 8) | TSYSERR; |
| 406 | SOLD("got prim"); |
| 407 | if (prim == T_ERROR_ACK) { |
| 408 | u32 tmp, tmp2; |
| 409 | SOLD("prim is T_ERROR_ACK"); |
| 410 | if (get_user(tmp, (u32 __user *)A(arg)+3) || |
| 411 | get_user(tmp2, (u32 __user *)A(arg)+2)) |
| 412 | return (EFAULT << 8) | TSYSERR; |
| 413 | return (tmp2 << 8) | tmp; |
| 414 | } |
| 415 | SOLD("TI_OPMGMT return 0"); |
| 416 | return 0; |
| 417 | } |
| 418 | case 142: /* TI_BIND */ |
| 419 | { |
| 420 | int i; |
| 421 | u32 prim; |
| 422 | SOLD("TI_BIND entry"); |
| 423 | ret = timod_putmsg(fd, A(arg), len, NULL, -1, 0); |
| 424 | SOLD("timod_putmsg() returned"); |
| 425 | if (ret) |
| 426 | return (-ret << 8) | TSYSERR; |
| 427 | len = 1024; /* Solaris allows arbitrary return size */ |
| 428 | i = MSG_HIPRI; |
| 429 | SOLD("calling timod_getmsg()"); |
| 430 | ret = timod_getmsg(fd, A(arg), len, len_p, NULL, -1, NULL, &i); |
| 431 | SOLD("timod_getmsg() returned"); |
| 432 | if (ret) |
| 433 | return (-ret << 8) | TSYSERR; |
| 434 | SOLD("ret ok"); |
| 435 | if (get_user(prim, (u32 __user *)A(arg))) |
| 436 | return (EFAULT << 8) | TSYSERR; |
| 437 | SOLD("got prim"); |
| 438 | if (prim == T_ERROR_ACK) { |
| 439 | u32 tmp, tmp2; |
| 440 | SOLD("prim is T_ERROR_ACK"); |
| 441 | if (get_user(tmp, (u32 __user *)A(arg)+3) || |
| 442 | get_user(tmp2, (u32 __user *)A(arg)+2)) |
| 443 | return (EFAULT << 8) | TSYSERR; |
| 444 | return (tmp2 << 8) | tmp; |
| 445 | } |
| 446 | SOLD("no ERROR_ACK requested"); |
| 447 | if (prim != T_OK_ACK) |
| 448 | return TBADSEQ; |
| 449 | SOLD("OK_ACK requested"); |
| 450 | i = MSG_HIPRI; |
| 451 | SOLD("calling timod_getmsg()"); |
| 452 | ret = timod_getmsg(fd, A(arg), len, len_p, NULL, -1, NULL, &i); |
| 453 | SOLD("timod_getmsg() returned"); |
| 454 | if (ret) |
| 455 | return (-ret << 8) | TSYSERR; |
| 456 | SOLD("TI_BIND return ok"); |
| 457 | return 0; |
| 458 | } |
| 459 | case 140: /* TI_GETINFO */ |
| 460 | case 143: /* TI_UNBIND */ |
| 461 | case 144: /* TI_GETMYNAME */ |
| 462 | case 145: /* TI_GETPEERNAME */ |
| 463 | case 146: /* TI_SETMYNAME */ |
| 464 | case 147: /* TI_SETPEERNAME */ |
| 465 | ; |
| 466 | } |
| 467 | return TNOTSUPPORT; |
| 468 | } |
| 469 | |
| 470 | static inline int solaris_S(struct file *filp, unsigned int fd, unsigned int cmd, u32 arg) |
| 471 | { |
| 472 | char *p; |
| 473 | int ret; |
| 474 | mm_segment_t old_fs; |
| 475 | struct strioctl si; |
| 476 | struct inode *ino; |
| 477 | struct sol_socket_struct *sock; |
| 478 | struct module_info *mi; |
| 479 | |
| 480 | ino = filp->f_dentry->d_inode; |
| 481 | if (!S_ISSOCK(ino->i_mode)) |
| 482 | return -EBADF; |
| 483 | sock = filp->private_data; |
| 484 | if (! sock) { |
| 485 | printk("solaris_S: NULL private_data\n"); |
| 486 | return -EBADF; |
| 487 | } |
| 488 | if (sock->magic != SOLARIS_SOCKET_MAGIC) { |
| 489 | printk("solaris_S: invalid magic\n"); |
| 490 | return -EBADF; |
| 491 | } |
| 492 | |
| 493 | |
| 494 | switch (cmd & 0xff) { |
| 495 | case 1: /* I_NREAD */ |
| 496 | return -ENOSYS; |
| 497 | case 2: /* I_PUSH */ |
| 498 | { |
| 499 | p = getname (A(arg)); |
| 500 | if (IS_ERR (p)) |
| 501 | return PTR_ERR(p); |
| 502 | ret = -EINVAL; |
| 503 | for (mi = module_table; mi->name; mi++) { |
| 504 | if (strcmp(mi->name, p) == 0) { |
| 505 | sol_module m; |
| 506 | if (sock->modcount >= MAX_NR_STREAM_MODULES) { |
| 507 | ret = -ENXIO; |
| 508 | break; |
| 509 | } |
| 510 | m = (sol_module) (mi - module_table); |
| 511 | sock->module[sock->modcount++] = m; |
| 512 | ret = 0; |
| 513 | break; |
| 514 | } |
| 515 | } |
| 516 | putname (p); |
| 517 | return ret; |
| 518 | } |
| 519 | case 3: /* I_POP */ |
| 520 | if (sock->modcount <= 0) return -EINVAL; |
| 521 | sock->modcount--; |
| 522 | return 0; |
| 523 | case 4: /* I_LOOK */ |
| 524 | { |
| 525 | const char *p; |
| 526 | if (sock->modcount <= 0) return -EINVAL; |
| 527 | p = module_table[(unsigned)sock->module[sock->modcount]].name; |
| 528 | if (copy_to_user (A(arg), p, strlen(p))) |
| 529 | return -EFAULT; |
| 530 | return 0; |
| 531 | } |
| 532 | case 5: /* I_FLUSH */ |
| 533 | return 0; |
| 534 | case 8: /* I_STR */ |
| 535 | if (copy_from_user(&si, A(arg), sizeof(struct strioctl))) |
| 536 | return -EFAULT; |
| 537 | /* We ignore what module is actually at the top of stack. */ |
| 538 | switch ((si.cmd >> 8) & 0xff) { |
| 539 | case 'I': |
| 540 | return solaris_sockmod(fd, si.cmd, si.data); |
| 541 | case 'T': |
| 542 | return solaris_timod(fd, si.cmd, si.data, si.len, |
| 543 | &((struct strioctl __user *)A(arg))->len); |
| 544 | default: |
| 545 | return solaris_ioctl(fd, si.cmd, si.data); |
| 546 | } |
| 547 | case 9: /* I_SETSIG */ |
| 548 | return sys_ioctl(fd, FIOSETOWN, current->pid); |
| 549 | case 10: /* I_GETSIG */ |
| 550 | old_fs = get_fs(); |
| 551 | set_fs(KERNEL_DS); |
| 552 | sys_ioctl(fd, FIOGETOWN, (unsigned long)&ret); |
| 553 | set_fs(old_fs); |
| 554 | if (ret == current->pid) return 0x3ff; |
| 555 | else return -EINVAL; |
| 556 | case 11: /* I_FIND */ |
| 557 | { |
| 558 | int i; |
| 559 | p = getname (A(arg)); |
| 560 | if (IS_ERR (p)) |
| 561 | return PTR_ERR(p); |
| 562 | ret = 0; |
| 563 | for (i = 0; i < sock->modcount; i++) { |
| 564 | unsigned m = sock->module[i]; |
| 565 | if (strcmp(module_table[m].name, p) == 0) { |
| 566 | ret = 1; |
| 567 | break; |
| 568 | } |
| 569 | } |
| 570 | putname (p); |
| 571 | return ret; |
| 572 | } |
| 573 | case 19: /* I_SWROPT */ |
| 574 | case 32: /* I_SETCLTIME */ |
| 575 | return 0; /* Lie */ |
| 576 | } |
| 577 | return -ENOSYS; |
| 578 | } |
| 579 | |
| 580 | static inline int solaris_s(unsigned int fd, unsigned int cmd, u32 arg) |
| 581 | { |
| 582 | switch (cmd & 0xff) { |
| 583 | case 0: /* SIOCSHIWAT */ |
| 584 | case 2: /* SIOCSLOWAT */ |
| 585 | return 0; /* We don't support them */ |
| 586 | case 1: /* SIOCGHIWAT */ |
| 587 | case 3: /* SIOCGLOWAT */ |
| 588 | if (put_user (0, (u32 __user *)A(arg))) |
| 589 | return -EFAULT; |
| 590 | return 0; /* Lie */ |
| 591 | case 7: /* SIOCATMARK */ |
| 592 | return sys_ioctl(fd, SIOCATMARK, arg); |
| 593 | case 8: /* SIOCSPGRP */ |
| 594 | return sys_ioctl(fd, SIOCSPGRP, arg); |
| 595 | case 9: /* SIOCGPGRP */ |
| 596 | return sys_ioctl(fd, SIOCGPGRP, arg); |
| 597 | } |
| 598 | return -ENOSYS; |
| 599 | } |
| 600 | |
| 601 | static inline int solaris_r(unsigned int fd, unsigned int cmd, u32 arg) |
| 602 | { |
| 603 | switch (cmd & 0xff) { |
| 604 | case 10: /* SIOCADDRT */ |
| 605 | return compat_sys_ioctl(fd, SIOCADDRT, arg); |
| 606 | case 11: /* SIOCDELRT */ |
| 607 | return compat_sys_ioctl(fd, SIOCDELRT, arg); |
| 608 | } |
| 609 | return -ENOSYS; |
| 610 | } |
| 611 | |
| 612 | static inline int solaris_i(unsigned int fd, unsigned int cmd, u32 arg) |
| 613 | { |
| 614 | switch (cmd & 0xff) { |
| 615 | case 12: /* SIOCSIFADDR */ |
| 616 | return compat_sys_ioctl(fd, SIOCSIFADDR, arg); |
| 617 | case 13: /* SIOCGIFADDR */ |
| 618 | return compat_sys_ioctl(fd, SIOCGIFADDR, arg); |
| 619 | case 14: /* SIOCSIFDSTADDR */ |
| 620 | return compat_sys_ioctl(fd, SIOCSIFDSTADDR, arg); |
| 621 | case 15: /* SIOCGIFDSTADDR */ |
| 622 | return compat_sys_ioctl(fd, SIOCGIFDSTADDR, arg); |
| 623 | case 16: /* SIOCSIFFLAGS */ |
| 624 | return compat_sys_ioctl(fd, SIOCSIFFLAGS, arg); |
| 625 | case 17: /* SIOCGIFFLAGS */ |
| 626 | return compat_sys_ioctl(fd, SIOCGIFFLAGS, arg); |
| 627 | case 18: /* SIOCSIFMEM */ |
| 628 | return compat_sys_ioctl(fd, SIOCSIFMEM, arg); |
| 629 | case 19: /* SIOCGIFMEM */ |
| 630 | return compat_sys_ioctl(fd, SIOCGIFMEM, arg); |
| 631 | case 20: /* SIOCGIFCONF */ |
| 632 | return compat_sys_ioctl(fd, SIOCGIFCONF, arg); |
| 633 | case 21: /* SIOCSIFMTU */ |
| 634 | return compat_sys_ioctl(fd, SIOCSIFMTU, arg); |
| 635 | case 22: /* SIOCGIFMTU */ |
| 636 | return compat_sys_ioctl(fd, SIOCGIFMTU, arg); |
| 637 | case 23: /* SIOCGIFBRDADDR */ |
| 638 | return compat_sys_ioctl(fd, SIOCGIFBRDADDR, arg); |
| 639 | case 24: /* SIOCSIFBRDADDR */ |
| 640 | return compat_sys_ioctl(fd, SIOCSIFBRDADDR, arg); |
| 641 | case 25: /* SIOCGIFNETMASK */ |
| 642 | return compat_sys_ioctl(fd, SIOCGIFNETMASK, arg); |
| 643 | case 26: /* SIOCSIFNETMASK */ |
| 644 | return compat_sys_ioctl(fd, SIOCSIFNETMASK, arg); |
| 645 | case 27: /* SIOCGIFMETRIC */ |
| 646 | return compat_sys_ioctl(fd, SIOCGIFMETRIC, arg); |
| 647 | case 28: /* SIOCSIFMETRIC */ |
| 648 | return compat_sys_ioctl(fd, SIOCSIFMETRIC, arg); |
| 649 | case 30: /* SIOCSARP */ |
| 650 | return compat_sys_ioctl(fd, SIOCSARP, arg); |
| 651 | case 31: /* SIOCGARP */ |
| 652 | return compat_sys_ioctl(fd, SIOCGARP, arg); |
| 653 | case 32: /* SIOCDARP */ |
| 654 | return compat_sys_ioctl(fd, SIOCDARP, arg); |
| 655 | case 52: /* SIOCGETNAME */ |
| 656 | case 53: /* SIOCGETPEER */ |
| 657 | { |
| 658 | struct sockaddr uaddr; |
| 659 | int uaddr_len = sizeof(struct sockaddr), ret; |
| 660 | long args[3]; |
| 661 | mm_segment_t old_fs = get_fs(); |
| 662 | int (*sys_socketcall)(int, unsigned long *) = |
| 663 | (int (*)(int, unsigned long *))SYS(socketcall); |
| 664 | |
| 665 | args[0] = fd; args[1] = (long)&uaddr; args[2] = (long)&uaddr_len; |
| 666 | set_fs(KERNEL_DS); |
| 667 | ret = sys_socketcall(((cmd & 0xff) == 52) ? SYS_GETSOCKNAME : SYS_GETPEERNAME, |
| 668 | args); |
| 669 | set_fs(old_fs); |
| 670 | if (ret >= 0) { |
| 671 | if (copy_to_user(A(arg), &uaddr, uaddr_len)) |
| 672 | return -EFAULT; |
| 673 | } |
| 674 | return ret; |
| 675 | } |
| 676 | #if 0 |
| 677 | case 86: /* SIOCSOCKSYS */ |
| 678 | return socksys_syscall(fd, arg); |
| 679 | #endif |
| 680 | case 87: /* SIOCGIFNUM */ |
| 681 | { |
| 682 | struct net_device *d; |
| 683 | int i = 0; |
| 684 | |
| 685 | read_lock_bh(&dev_base_lock); |
| 686 | for (d = dev_base; d; d = d->next) i++; |
| 687 | read_unlock_bh(&dev_base_lock); |
| 688 | |
| 689 | if (put_user (i, (int __user *)A(arg))) |
| 690 | return -EFAULT; |
| 691 | return 0; |
| 692 | } |
| 693 | } |
| 694 | return -ENOSYS; |
| 695 | } |
| 696 | |
| 697 | static int solaris_m(unsigned int fd, unsigned int cmd, u32 arg) |
| 698 | { |
| 699 | int ret; |
| 700 | |
| 701 | switch (cmd & 0xff) { |
| 702 | case 1: /* MTIOCTOP */ |
| 703 | ret = sys_ioctl(fd, MTIOCTOP, (unsigned long)&arg); |
| 704 | break; |
| 705 | case 2: /* MTIOCGET */ |
| 706 | ret = sys_ioctl(fd, MTIOCGET, (unsigned long)&arg); |
| 707 | break; |
| 708 | case 3: /* MTIOCGETDRIVETYPE */ |
| 709 | case 4: /* MTIOCPERSISTENT */ |
| 710 | case 5: /* MTIOCPERSISTENTSTATUS */ |
| 711 | case 6: /* MTIOCLRERR */ |
| 712 | case 7: /* MTIOCGUARANTEEDORDER */ |
| 713 | case 8: /* MTIOCRESERVE */ |
| 714 | case 9: /* MTIOCRELEASE */ |
| 715 | case 10: /* MTIOCFORCERESERVE */ |
| 716 | case 13: /* MTIOCSTATE */ |
| 717 | case 14: /* MTIOCREADIGNOREILI */ |
| 718 | case 15: /* MTIOCREADIGNOREEOFS */ |
| 719 | case 16: /* MTIOCSHORTFMK */ |
| 720 | default: |
| 721 | ret = -ENOSYS; /* linux doesn't support these */ |
| 722 | break; |
| 723 | }; |
| 724 | |
| 725 | return ret; |
| 726 | } |
| 727 | |
| 728 | static int solaris_O(unsigned int fd, unsigned int cmd, u32 arg) |
| 729 | { |
| 730 | int ret = -EINVAL; |
| 731 | |
| 732 | switch (cmd & 0xff) { |
| 733 | case 1: /* OPROMGETOPT */ |
| 734 | ret = sys_ioctl(fd, OPROMGETOPT, arg); |
| 735 | break; |
| 736 | case 2: /* OPROMSETOPT */ |
| 737 | ret = sys_ioctl(fd, OPROMSETOPT, arg); |
| 738 | break; |
| 739 | case 3: /* OPROMNXTOPT */ |
| 740 | ret = sys_ioctl(fd, OPROMNXTOPT, arg); |
| 741 | break; |
| 742 | case 4: /* OPROMSETOPT2 */ |
| 743 | ret = sys_ioctl(fd, OPROMSETOPT2, arg); |
| 744 | break; |
| 745 | case 5: /* OPROMNEXT */ |
| 746 | ret = sys_ioctl(fd, OPROMNEXT, arg); |
| 747 | break; |
| 748 | case 6: /* OPROMCHILD */ |
| 749 | ret = sys_ioctl(fd, OPROMCHILD, arg); |
| 750 | break; |
| 751 | case 7: /* OPROMGETPROP */ |
| 752 | ret = sys_ioctl(fd, OPROMGETPROP, arg); |
| 753 | break; |
| 754 | case 8: /* OPROMNXTPROP */ |
| 755 | ret = sys_ioctl(fd, OPROMNXTPROP, arg); |
| 756 | break; |
| 757 | case 9: /* OPROMU2P */ |
| 758 | ret = sys_ioctl(fd, OPROMU2P, arg); |
| 759 | break; |
| 760 | case 10: /* OPROMGETCONS */ |
| 761 | ret = sys_ioctl(fd, OPROMGETCONS, arg); |
| 762 | break; |
| 763 | case 11: /* OPROMGETFBNAME */ |
| 764 | ret = sys_ioctl(fd, OPROMGETFBNAME, arg); |
| 765 | break; |
| 766 | case 12: /* OPROMGETBOOTARGS */ |
| 767 | ret = sys_ioctl(fd, OPROMGETBOOTARGS, arg); |
| 768 | break; |
| 769 | case 13: /* OPROMGETVERSION */ |
| 770 | case 14: /* OPROMPATH2DRV */ |
| 771 | case 15: /* OPROMDEV2PROMNAME */ |
| 772 | case 16: /* OPROMPROM2DEVNAME */ |
| 773 | case 17: /* OPROMGETPROPLEN */ |
| 774 | default: |
| 775 | ret = -EINVAL; |
| 776 | break; |
| 777 | }; |
| 778 | return ret; |
| 779 | } |
| 780 | |
| 781 | /* }}} */ |
| 782 | |
| 783 | asmlinkage int solaris_ioctl(unsigned int fd, unsigned int cmd, u32 arg) |
| 784 | { |
| 785 | struct file *filp; |
| 786 | int error = -EBADF; |
| 787 | |
| 788 | filp = fget(fd); |
| 789 | if (!filp) |
| 790 | goto out; |
| 791 | |
| 792 | lock_kernel(); |
| 793 | error = -EFAULT; |
| 794 | switch ((cmd >> 8) & 0xff) { |
| 795 | case 'S': error = solaris_S(filp, fd, cmd, arg); break; |
| 796 | case 'T': error = solaris_T(fd, cmd, arg); break; |
| 797 | case 'i': error = solaris_i(fd, cmd, arg); break; |
| 798 | case 'r': error = solaris_r(fd, cmd, arg); break; |
| 799 | case 's': error = solaris_s(fd, cmd, arg); break; |
| 800 | case 't': error = solaris_t(fd, cmd, arg); break; |
| 801 | case 'f': error = sys_ioctl(fd, cmd, arg); break; |
| 802 | case 'm': error = solaris_m(fd, cmd, arg); break; |
| 803 | case 'O': error = solaris_O(fd, cmd, arg); break; |
| 804 | default: |
| 805 | error = -ENOSYS; |
| 806 | break; |
| 807 | } |
| 808 | unlock_kernel(); |
| 809 | fput(filp); |
| 810 | out: |
| 811 | if (error == -ENOSYS) { |
| 812 | unsigned char c = cmd>>8; |
| 813 | |
| 814 | if (c < ' ' || c > 126) c = '.'; |
| 815 | printk("solaris_ioctl: Unknown cmd fd(%d) cmd(%08x '%c') arg(%08x)\n", |
| 816 | (int)fd, (unsigned int)cmd, c, (unsigned int)arg); |
| 817 | error = -EINVAL; |
| 818 | } |
| 819 | return error; |
| 820 | } |