arch/sparc64/solaris/ioctl.c

   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/rcupdate.h>
  28 #include <linux/compat.h>
  29
  30 #include <net/sock.h>
  31
  32 #include <asm/uaccess.h>
  33 #include <asm/termios.h>
  34 #include <asm/openpromio.h>
  35
  36 #include "conv.h"
  37 #include "socksys.h"
  38
  39 extern asmlinkage int compat_sys_ioctl(unsigned int fd, unsigned int cmd,
  40         u32 arg);
  41 asmlinkage int solaris_ioctl(unsigned int fd, unsigned int cmd, u32 arg);
  42
  43 extern int timod_putmsg(unsigned int fd, char __user *ctl_buf, int ctl_len,
  44                         char __user *data_buf, int data_len, int flags);
  45 extern int timod_getmsg(unsigned int fd, char __user *ctl_buf, int ctl_maxlen, int __user *ctl_len,
  46                         char __user *data_buf, int data_maxlen, int __user *data_len, int *flags);
  47
  48 /* termio* stuff {{{ */
  49
  50 struct solaris_termios {
  51         u32     c_iflag;
  52         u32     c_oflag;
  53         u32     c_cflag;
  54         u32     c_lflag;
  55         u8      c_cc[19];
  56 };
  57
  58 struct solaris_termio {
  59         u16     c_iflag;
  60         u16     c_oflag;
  61         u16     c_cflag;
  62         u16     c_lflag;
  63         s8      c_line;
  64         u8      c_cc[8];
  65 };
  66
  67 struct solaris_termiox {
  68         u16     x_hflag;
  69         u16     x_cflag;
  70         u16     x_rflag[5];
  71         u16     x_sflag;
  72 };
  73
  74 static u32 solaris_to_linux_cflag(u32 cflag)
  75 {
  76         cflag &= 0x7fdff000;
  77         if (cflag & 0x200000) {
  78                 int baud = cflag & 0xf;
  79                 cflag &= ~0x20000f;
  80                 switch (baud) {
  81                 case 0: baud = B57600; break;
  82                 case 1: baud = B76800; break;
  83                 case 2: baud = B115200; break;
  84                 case 3: baud = B153600; break;
  85                 case 4: baud = B230400; break;
  86                 case 5: baud = B307200; break;
  87                 case 6: baud = B460800; break;
  88                 }
  89                 cflag |= CBAUDEX | baud;
  90         }
  91         return cflag;
  92 }
  93
  94 static u32 linux_to_solaris_cflag(u32 cflag)
  95 {
  96         cflag &= ~(CMSPAR | CIBAUD);
  97         if (cflag & CBAUDEX) {
  98                 int baud = cflag & CBAUD;
  99                 cflag &= ~CBAUD;
 100                 switch (baud) {
 101                 case B57600: baud = 0; break;
 102                 case B76800: baud = 1; break;
 103                 case B115200: baud = 2; break;
 104                 case B153600: baud = 3; break;
 105                 case B230400: baud = 4; break;
 106                 case B307200: baud = 5; break;
 107                 case B460800: baud = 6; break;
 108                 case B614400: baud = 7; break;
 109                 case B921600: baud = 8; break;
 110 #if 0
 111                 case B1843200: baud = 9; break;
 112 #endif
 113                 }
 114                 cflag |= 0x200000 | baud;
 115         }
 116         return cflag;
 117 }
 118
 119 static inline int linux_to_solaris_termio(unsigned int fd, unsigned int cmd, u32 arg)
 120 {
 121         struct solaris_termio __user *p = A(arg);
 122         int ret;
 123
 124         ret = sys_ioctl(fd, cmd, (unsigned long)p);
 125         if (!ret) {
 126                 u32 cflag;
 127
 128                 if (__get_user (cflag, &p->c_cflag))
 129                         return -EFAULT;
 130                 cflag = linux_to_solaris_cflag(cflag);
 131                 if (__put_user (cflag, &p->c_cflag))
 132                         return -EFAULT;
 133         }
 134         return ret;
 135 }
 136
 137 static int solaris_to_linux_termio(unsigned int fd, unsigned int cmd, u32 arg)
 138 {
 139         int ret;
 140         struct solaris_termio s;
 141         mm_segment_t old_fs = get_fs();
 142
 143         if (copy_from_user (&s, (struct solaris_termio __user *)A(arg), sizeof(struct solaris_termio)))
 144                 return -EFAULT;
 145         s.c_cflag = solaris_to_linux_cflag(s.c_cflag);
 146         set_fs(KERNEL_DS);
 147         ret = sys_ioctl(fd, cmd, (unsigned long)&s);
 148         set_fs(old_fs);
 149         return ret;
 150 }
 151
 152 static inline int linux_to_solaris_termios(unsigned int fd, unsigned int cmd, u32 arg)
 153 {
 154         int ret;
 155         struct solaris_termios s;
 156         mm_segment_t old_fs = get_fs();
 157
 158         set_fs(KERNEL_DS);
 159         ret = sys_ioctl(fd, cmd, (unsigned long)&s);
 160         set_fs(old_fs);
 161         if (!ret) {
 162                 struct solaris_termios __user *p = A(arg);
 163                 if (put_user (s.c_iflag, &p->c_iflag) ||
 164                     __put_user (s.c_oflag, &p->c_oflag) ||
 165                     __put_user (linux_to_solaris_cflag(s.c_cflag), &p->c_cflag) ||
 166                     __put_user (s.c_lflag, &p->c_lflag) ||
 167                     __copy_to_user (p->c_cc, s.c_cc, 16) ||
 168                     __clear_user (p->c_cc + 16, 2))
 169                         return -EFAULT;
 170         }
 171         return ret;
 172 }
 173
 174 static int solaris_to_linux_termios(unsigned int fd, unsigned int cmd, u32 arg)
 175 {
 176         int ret;
 177         struct solaris_termios s;
 178         struct solaris_termios __user *p = A(arg);
 179         mm_segment_t old_fs = get_fs();
 180
 181         set_fs(KERNEL_DS);
 182         ret = sys_ioctl(fd, TCGETS, (unsigned long)&s);
 183         set_fs(old_fs);
 184         if (ret) return ret;
 185         if (put_user (s.c_iflag, &p->c_iflag) ||
 186             __put_user (s.c_oflag, &p->c_oflag) ||
 187             __put_user (s.c_cflag, &p->c_cflag) ||
 188             __put_user (s.c_lflag, &p->c_lflag) ||
 189             __copy_from_user (s.c_cc, p->c_cc, 16))
 190                 return -EFAULT;
 191         s.c_cflag = solaris_to_linux_cflag(s.c_cflag);
 192         set_fs(KERNEL_DS);
 193         ret = sys_ioctl(fd, cmd, (unsigned long)&s);
 194         set_fs(old_fs);
 195         return ret;
 196 }
 197
 198 static inline int solaris_T(unsigned int fd, unsigned int cmd, u32 arg)
 199 {
 200         switch (cmd & 0xff) {
 201         case 1: /* TCGETA */
 202                 return linux_to_solaris_termio(fd, TCGETA, arg);
 203         case 2: /* TCSETA */
 204                 return solaris_to_linux_termio(fd, TCSETA, arg);
 205         case 3: /* TCSETAW */
 206                 return solaris_to_linux_termio(fd, TCSETAW, arg);
 207         case 4: /* TCSETAF */
 208                 return solaris_to_linux_termio(fd, TCSETAF, arg);
 209         case 5: /* TCSBRK */
 210                 return sys_ioctl(fd, TCSBRK, arg);
 211         case 6: /* TCXONC */
 212                 return sys_ioctl(fd, TCXONC, arg);
 213         case 7: /* TCFLSH */
 214                 return sys_ioctl(fd, TCFLSH, arg);
 215         case 13: /* TCGETS */
 216                 return linux_to_solaris_termios(fd, TCGETS, arg);
 217         case 14: /* TCSETS */
 218                 return solaris_to_linux_termios(fd, TCSETS, arg);
 219         case 15: /* TCSETSW */
 220                 return solaris_to_linux_termios(fd, TCSETSW, arg);
 221         case 16: /* TCSETSF */
 222                 return solaris_to_linux_termios(fd, TCSETSF, arg);
 223         case 103: /* TIOCSWINSZ */
 224                 return sys_ioctl(fd, TIOCSWINSZ, arg);
 225         case 104: /* TIOCGWINSZ */
 226                 return sys_ioctl(fd, TIOCGWINSZ, arg);
 227         }
 228         return -ENOSYS;
 229 }
 230
 231 static inline int solaris_t(unsigned int fd, unsigned int cmd, u32 arg)
 232 {
 233         switch (cmd & 0xff) {
 234         case 20: /* TIOCGPGRP */
 235                 return sys_ioctl(fd, TIOCGPGRP, arg);
 236         case 21: /* TIOCSPGRP */
 237                 return sys_ioctl(fd, TIOCSPGRP, arg);
 238         }
 239         return -ENOSYS;
 240 }
 241
 242 /* }}} */
 243
 244 /* A pseudo STREAMS support {{{ */
 245
 246 struct strioctl {
 247         int cmd, timeout, len;
 248         u32 data;
 249 };
 250
 251 struct solaris_si_sockparams {
 252         int sp_family;
 253         int sp_type;
 254         int sp_protocol;
 255 };
 256
 257 struct solaris_o_si_udata {
 258         int tidusize;
 259         int addrsize;
 260         int optsize;
 261         int etsdusize;
 262         int servtype;
 263         int so_state;
 264         int so_options;
 265         int tsdusize;
 266 };
 267
 268 struct solaris_si_udata {
 269         int tidusize;
 270         int addrsize;
 271         int optsize;
 272         int etsdusize;
 273         int servtype;
 274         int so_state;
 275         int so_options;
 276         int tsdusize;
 277         struct solaris_si_sockparams sockparams;
 278 };
 279
 280 #define SOLARIS_MODULE_TIMOD    0
 281 #define SOLARIS_MODULE_SOCKMOD  1
 282 #define SOLARIS_MODULE_MAX      2
 283
 284 static struct module_info {
 285         const char *name;
 286         /* can be expanded further if needed */
 287 } module_table[ SOLARIS_MODULE_MAX + 1 ] = {
 288         /* the ordering here must match the module numbers above! */
 289         { "timod" },
 290         { "sockmod" },
 291         { NULL }
 292 };
 293
 294 static inline int solaris_sockmod(unsigned int fd, unsigned int cmd, u32 arg)
 295 {
 296         struct inode *ino;
 297         struct fdtable *fdt;
 298         /* I wonder which of these tests are superfluous... --patrik */
 299         rcu_read_lock();
 300         fdt = files_fdtable(current->files);
 301         if (! fdt->fd[fd] ||
 302             ! fdt->fd[fd]->f_dentry ||
 303             ! (ino = fdt->fd[fd]->f_dentry->d_inode) ||
 304             ! S_ISSOCK(ino->i_mode)) {
 305                 rcu_read_unlock();
 306                 return TBADF;
 307         }
 308         rcu_read_unlock();
 309
 310         switch (cmd & 0xff) {
 311         case 109: /* SI_SOCKPARAMS */
 312         {
 313                 struct solaris_si_sockparams si;
 314                 if (copy_from_user (&si, A(arg), sizeof(si)))
 315                         return (EFAULT << 8) | TSYSERR;
 316
 317                 /* Should we modify socket ino->socket_i.ops and type? */
 318                 return 0;
 319         }
 320         case 110: /* SI_GETUDATA */
 321         {
 322                 int etsdusize, servtype;
 323                 struct solaris_si_udata __user *p = A(arg);
 324                 switch (SOCKET_I(ino)->type) {
 325                 case SOCK_STREAM:
 326                         etsdusize = 1;
 327                         servtype = 2;
 328                         break;
 329                 default:
 330                         etsdusize = -2;
 331                         servtype = 3;
 332                         break;
 333                 }
 334                 if (put_user(16384, &p->tidusize) ||
 335                     __put_user(sizeof(struct sockaddr), &p->addrsize) ||
 336                     __put_user(-1, &p->optsize) ||
 337                     __put_user(etsdusize, &p->etsdusize) ||
 338                     __put_user(servtype, &p->servtype) ||
 339                     __put_user(0, &p->so_state) ||
 340                     __put_user(0, &p->so_options) ||
 341                     __put_user(16384, &p->tsdusize) ||
 342                     __put_user(SOCKET_I(ino)->ops->family, &p->sockparams.sp_family) ||
 343                     __put_user(SOCKET_I(ino)->type, &p->sockparams.sp_type) ||
 344                     __put_user(SOCKET_I(ino)->ops->family, &p->sockparams.sp_protocol))
 345                         return (EFAULT << 8) | TSYSERR;
 346                 return 0;
 347         }
 348         case 101: /* O_SI_GETUDATA */
 349         {
 350                 int etsdusize, servtype;
 351                 struct solaris_o_si_udata __user *p = A(arg);
 352                 switch (SOCKET_I(ino)->type) {
 353                 case SOCK_STREAM:
 354                         etsdusize = 1;
 355                         servtype = 2;
 356                         break;
 357                 default:
 358                         etsdusize = -2;
 359                         servtype = 3;
 360                         break;
 361                 }
 362                 if (put_user(16384, &p->tidusize) ||
 363                     __put_user(sizeof(struct sockaddr), &p->addrsize) ||
 364                     __put_user(-1, &p->optsize) ||
 365                     __put_user(etsdusize, &p->etsdusize) ||
 366                     __put_user(servtype, &p->servtype) ||
 367                     __put_user(0, &p->so_state) ||
 368                     __put_user(0, &p->so_options) ||
 369                     __put_user(16384, &p->tsdusize))
 370                         return (EFAULT << 8) | TSYSERR;
 371                 return 0;
 372         }
 373         case 102: /* SI_SHUTDOWN */
 374         case 103: /* SI_LISTEN */
 375         case 104: /* SI_SETMYNAME */
 376         case 105: /* SI_SETPEERNAME */
 377         case 106: /* SI_GETINTRANSIT */
 378         case 107: /* SI_TCL_LINK */
 379         case 108: /* SI_TCL_UNLINK */
 380                 ;
 381         }
 382         return TNOTSUPPORT;
 383 }
 384
 385 static inline int solaris_timod(unsigned int fd, unsigned int cmd, u32 arg,
 386                                     int len, int __user *len_p)
 387 {
 388         int ret;
 389
 390         switch (cmd & 0xff) {
 391         case 141: /* TI_OPTMGMT */
 392         {
 393                 int i;
 394                 u32 prim;
 395                 SOLD("TI_OPMGMT entry");
 396                 ret = timod_putmsg(fd, A(arg), len, NULL, -1, 0);
 397                 SOLD("timod_putmsg() returned");
 398                 if (ret)
 399                         return (-ret << 8) | TSYSERR;
 400                 i = MSG_HIPRI;
 401                 SOLD("calling timod_getmsg()");
 402                 ret = timod_getmsg(fd, A(arg), len, len_p, NULL, -1, NULL, &i);
 403                 SOLD("timod_getmsg() returned");
 404                 if (ret)
 405                         return (-ret << 8) | TSYSERR;
 406                 SOLD("ret ok");
 407                 if (get_user(prim, (u32 __user *)A(arg)))
 408                         return (EFAULT << 8) | TSYSERR;
 409                 SOLD("got prim");
 410                 if (prim == T_ERROR_ACK) {
 411                         u32 tmp, tmp2;
 412                         SOLD("prim is T_ERROR_ACK");
 413                         if (get_user(tmp, (u32 __user *)A(arg)+3) ||
 414                             get_user(tmp2, (u32 __user *)A(arg)+2))
 415                                 return (EFAULT << 8) | TSYSERR;
 416                         return (tmp2 << 8) | tmp;
 417                 }
 418                 SOLD("TI_OPMGMT return 0");
 419                 return 0;
 420         }
 421         case 142: /* TI_BIND */
 422         {
 423                 int i;
 424                 u32 prim;
 425                 SOLD("TI_BIND entry");
 426                 ret = timod_putmsg(fd, A(arg), len, NULL, -1, 0);
 427                 SOLD("timod_putmsg() returned");
 428                 if (ret)
 429                         return (-ret << 8) | TSYSERR;
 430                 len = 1024; /* Solaris allows arbitrary return size */
 431                 i = MSG_HIPRI;
 432                 SOLD("calling timod_getmsg()");
 433                 ret = timod_getmsg(fd, A(arg), len, len_p, NULL, -1, NULL, &i);
 434                 SOLD("timod_getmsg() returned");
 435                 if (ret)
 436                         return (-ret << 8) | TSYSERR;
 437                 SOLD("ret ok");
 438                 if (get_user(prim, (u32 __user *)A(arg)))
 439                         return (EFAULT << 8) | TSYSERR;
 440                 SOLD("got prim");
 441                 if (prim == T_ERROR_ACK) {
 442                         u32 tmp, tmp2;
 443                         SOLD("prim is T_ERROR_ACK");
 444                         if (get_user(tmp, (u32 __user *)A(arg)+3) ||
 445                             get_user(tmp2, (u32 __user *)A(arg)+2))
 446                                 return (EFAULT << 8) | TSYSERR;
 447                         return (tmp2 << 8) | tmp;
 448                 }
 449                 SOLD("no ERROR_ACK requested");
 450                 if (prim != T_OK_ACK)
 451                         return TBADSEQ;
 452                 SOLD("OK_ACK requested");
 453                 i = MSG_HIPRI;
 454                 SOLD("calling timod_getmsg()");
 455                 ret = timod_getmsg(fd, A(arg), len, len_p, NULL, -1, NULL, &i);
 456                 SOLD("timod_getmsg() returned");
 457                 if (ret)
 458                         return (-ret << 8) | TSYSERR;
 459                 SOLD("TI_BIND return ok");
 460                 return 0;
 461         }
 462         case 140: /* TI_GETINFO */
 463         case 143: /* TI_UNBIND */
 464         case 144: /* TI_GETMYNAME */
 465         case 145: /* TI_GETPEERNAME */
 466         case 146: /* TI_SETMYNAME */
 467         case 147: /* TI_SETPEERNAME */
 468                 ;
 469         }
 470         return TNOTSUPPORT;
 471 }
 472
 473 static inline int solaris_S(struct file *filp, unsigned int fd, unsigned int cmd, u32 arg)
 474 {
 475         char *p;
 476         int ret;
 477         mm_segment_t old_fs;
 478         struct strioctl si;
 479         struct inode *ino;
 480         struct sol_socket_struct *sock;
 481         struct module_info *mi;
 482
 483         ino = filp->f_dentry->d_inode;
 484         if (!S_ISSOCK(ino->i_mode))
 485                 return -EBADF;
 486         sock = filp->private_data;
 487         if (! sock) {
 488                 printk("solaris_S: NULL private_data\n");
 489                 return -EBADF;
 490         }
 491         if (sock->magic != SOLARIS_SOCKET_MAGIC) {
 492                 printk("solaris_S: invalid magic\n");
 493                 return -EBADF;
 494         }
 495
 496
 497         switch (cmd & 0xff) {
 498         case 1: /* I_NREAD */
 499                 return -ENOSYS;
 500         case 2: /* I_PUSH */
 501         {
 502                 p = getname (A(arg));
 503                 if (IS_ERR (p))
 504                         return PTR_ERR(p);
 505                 ret = -EINVAL;
 506                 for (mi = module_table; mi->name; mi++) {
 507                         if (strcmp(mi->name, p) == 0) {
 508                                 sol_module m;
 509                                 if (sock->modcount >= MAX_NR_STREAM_MODULES) {
 510                                         ret = -ENXIO;
 511                                         break;
 512                                 }
 513                                 m = (sol_module) (mi - module_table);
 514                                 sock->module[sock->modcount++] = m;
 515                                 ret = 0;
 516                                 break;
 517                         }
 518                 }
 519                 putname (p);
 520                 return ret;
 521         }
 522         case 3: /* I_POP */
 523                 if (sock->modcount <= 0) return -EINVAL;
 524                 sock->modcount--;
 525                 return 0;
 526         case 4: /* I_LOOK */
 527         {
 528                 const char *p;
 529                 if (sock->modcount <= 0) return -EINVAL;
 530                 p = module_table[(unsigned)sock->module[sock->modcount]].name;
 531                 if (copy_to_user (A(arg), p, strlen(p)))
 532                         return -EFAULT;
 533                 return 0;
 534         }
 535         case 5: /* I_FLUSH */
 536                 return 0;
 537         case 8: /* I_STR */
 538                 if (copy_from_user(&si, A(arg), sizeof(struct strioctl)))
 539                         return -EFAULT;
 540                 /* We ignore what module is actually at the top of stack. */
 541                 switch ((si.cmd >> 8) & 0xff) {
 542                 case 'I':
 543                         return solaris_sockmod(fd, si.cmd, si.data);
 544                 case 'T':
 545                         return solaris_timod(fd, si.cmd, si.data, si.len,
 546                                 &((struct strioctl __user *)A(arg))->len);
 547                 default:
 548                         return solaris_ioctl(fd, si.cmd, si.data);
 549                 }
 550         case 9: /* I_SETSIG */
 551                 return sys_ioctl(fd, FIOSETOWN, current->pid);
 552         case 10: /* I_GETSIG */
 553                 old_fs = get_fs();
 554                 set_fs(KERNEL_DS);
 555                 sys_ioctl(fd, FIOGETOWN, (unsigned long)&ret);
 556                 set_fs(old_fs);
 557                 if (ret == current->pid) return 0x3ff;
 558                 else return -EINVAL;
 559         case 11: /* I_FIND */
 560         {
 561                 int i;
 562                 p = getname (A(arg));
 563                 if (IS_ERR (p))
 564                         return PTR_ERR(p);
 565                 ret = 0;
 566                 for (i = 0; i < sock->modcount; i++) {
 567                         unsigned m = sock->module[i];
 568                         if (strcmp(module_table[m].name, p) == 0) {
 569                                 ret = 1;
 570                                 break;
 571                         }
 572                 }
 573                 putname (p);
 574                 return ret;
 575         }
 576         case 19: /* I_SWROPT */
 577         case 32: /* I_SETCLTIME */
 578                 return 0;       /* Lie */
 579         }
 580         return -ENOSYS;
 581 }
 582
 583 static inline int solaris_s(unsigned int fd, unsigned int cmd, u32 arg)
 584 {
 585         switch (cmd & 0xff) {
 586         case 0: /* SIOCSHIWAT */
 587         case 2: /* SIOCSLOWAT */
 588                 return 0; /* We don't support them */
 589         case 1: /* SIOCGHIWAT */
 590         case 3: /* SIOCGLOWAT */
 591                 if (put_user (0, (u32 __user *)A(arg)))
 592                         return -EFAULT;
 593                 return 0; /* Lie */
 594         case 7: /* SIOCATMARK */
 595                 return sys_ioctl(fd, SIOCATMARK, arg);
 596         case 8: /* SIOCSPGRP */
 597                 return sys_ioctl(fd, SIOCSPGRP, arg);
 598         case 9: /* SIOCGPGRP */
 599                 return sys_ioctl(fd, SIOCGPGRP, arg);
 600         }
 601         return -ENOSYS;
 602 }
 603
 604 static inline int solaris_r(unsigned int fd, unsigned int cmd, u32 arg)
 605 {
 606         switch (cmd & 0xff) {
 607         case 10: /* SIOCADDRT */
 608                 return compat_sys_ioctl(fd, SIOCADDRT, arg);
 609         case 11: /* SIOCDELRT */
 610                 return compat_sys_ioctl(fd, SIOCDELRT, arg);
 611         }
 612         return -ENOSYS;
 613 }
 614
 615 static inline int solaris_i(unsigned int fd, unsigned int cmd, u32 arg)
 616 {
 617         switch (cmd & 0xff) {
 618         case 12: /* SIOCSIFADDR */
 619                 return compat_sys_ioctl(fd, SIOCSIFADDR, arg);
 620         case 13: /* SIOCGIFADDR */
 621                 return compat_sys_ioctl(fd, SIOCGIFADDR, arg);
 622         case 14: /* SIOCSIFDSTADDR */
 623                 return compat_sys_ioctl(fd, SIOCSIFDSTADDR, arg);
 624         case 15: /* SIOCGIFDSTADDR */
 625                 return compat_sys_ioctl(fd, SIOCGIFDSTADDR, arg);
 626         case 16: /* SIOCSIFFLAGS */
 627                 return compat_sys_ioctl(fd, SIOCSIFFLAGS, arg);
 628         case 17: /* SIOCGIFFLAGS */
 629                 return compat_sys_ioctl(fd, SIOCGIFFLAGS, arg);
 630         case 18: /* SIOCSIFMEM */
 631                 return compat_sys_ioctl(fd, SIOCSIFMEM, arg);
 632         case 19: /* SIOCGIFMEM */
 633                 return compat_sys_ioctl(fd, SIOCGIFMEM, arg);
 634         case 20: /* SIOCGIFCONF */
 635                 return compat_sys_ioctl(fd, SIOCGIFCONF, arg);
 636         case 21: /* SIOCSIFMTU */
 637                 return compat_sys_ioctl(fd, SIOCSIFMTU, arg);
 638         case 22: /* SIOCGIFMTU */
 639                 return compat_sys_ioctl(fd, SIOCGIFMTU, arg);
 640         case 23: /* SIOCGIFBRDADDR */
 641                 return compat_sys_ioctl(fd, SIOCGIFBRDADDR, arg);
 642         case 24: /* SIOCSIFBRDADDR */
 643                 return compat_sys_ioctl(fd, SIOCSIFBRDADDR, arg);
 644         case 25: /* SIOCGIFNETMASK */
 645                 return compat_sys_ioctl(fd, SIOCGIFNETMASK, arg);
 646         case 26: /* SIOCSIFNETMASK */
 647                 return compat_sys_ioctl(fd, SIOCSIFNETMASK, arg);
 648         case 27: /* SIOCGIFMETRIC */
 649                 return compat_sys_ioctl(fd, SIOCGIFMETRIC, arg);
 650         case 28: /* SIOCSIFMETRIC */
 651                 return compat_sys_ioctl(fd, SIOCSIFMETRIC, arg);
 652         case 30: /* SIOCSARP */
 653                 return compat_sys_ioctl(fd, SIOCSARP, arg);
 654         case 31: /* SIOCGARP */
 655                 return compat_sys_ioctl(fd, SIOCGARP, arg);
 656         case 32: /* SIOCDARP */
 657                 return compat_sys_ioctl(fd, SIOCDARP, arg);
 658         case 52: /* SIOCGETNAME */
 659         case 53: /* SIOCGETPEER */
 660                 {
 661                         struct sockaddr uaddr;
 662                         int uaddr_len = sizeof(struct sockaddr), ret;
 663                         long args[3];
 664                         mm_segment_t old_fs = get_fs();
 665                         int (*sys_socketcall)(int, unsigned long *) =
 666                                 (int (*)(int, unsigned long *))SYS(socketcall);
 667
 668                         args[0] = fd; args[1] = (long)&uaddr; args[2] = (long)&uaddr_len;
 669                         set_fs(KERNEL_DS);
 670                         ret = sys_socketcall(((cmd & 0xff) == 52) ? SYS_GETSOCKNAME : SYS_GETPEERNAME,
 671                                         args);
 672                         set_fs(old_fs);
 673                         if (ret >= 0) {
 674                                 if (copy_to_user(A(arg), &uaddr, uaddr_len))
 675                                         return -EFAULT;
 676                         }
 677                         return ret;
 678                 }
 679 #if 0
 680         case 86: /* SIOCSOCKSYS */
 681                 return socksys_syscall(fd, arg);
 682 #endif
 683         case 87: /* SIOCGIFNUM */
 684                 {
 685                         struct net_device *d;
 686                         int i = 0;
 687
 688                         read_lock_bh(&dev_base_lock);
 689                         for (d = dev_base; d; d = d->next) i++;
 690                         read_unlock_bh(&dev_base_lock);
 691
 692                         if (put_user (i, (int __user *)A(arg)))
 693                                 return -EFAULT;
 694                         return 0;
 695                 }
 696         }
 697         return -ENOSYS;
 698 }
 699
 700 static int solaris_m(unsigned int fd, unsigned int cmd, u32 arg)
 701 {
 702         int ret;
 703
 704         switch (cmd & 0xff) {
 705         case 1: /* MTIOCTOP */
 706                 ret = sys_ioctl(fd, MTIOCTOP, (unsigned long)&arg);
 707                 break;
 708         case 2: /* MTIOCGET */
 709                 ret = sys_ioctl(fd, MTIOCGET, (unsigned long)&arg);
 710                 break;
 711         case 3: /* MTIOCGETDRIVETYPE */
 712         case 4: /* MTIOCPERSISTENT */
 713         case 5: /* MTIOCPERSISTENTSTATUS */
 714         case 6: /* MTIOCLRERR */
 715         case 7: /* MTIOCGUARANTEEDORDER */
 716         case 8: /* MTIOCRESERVE */
 717         case 9: /* MTIOCRELEASE */
 718         case 10: /* MTIOCFORCERESERVE */
 719         case 13: /* MTIOCSTATE */
 720         case 14: /* MTIOCREADIGNOREILI */
 721         case 15: /* MTIOCREADIGNOREEOFS */
 722         case 16: /* MTIOCSHORTFMK */
 723         default:
 724                 ret = -ENOSYS; /* linux doesn't support these */
 725                 break;
 726         };
 727
 728         return ret;
 729 }
 730
 731 static int solaris_O(unsigned int fd, unsigned int cmd, u32 arg)
 732 {
 733         int ret = -EINVAL;
 734
 735         switch (cmd & 0xff) {
 736         case 1: /* OPROMGETOPT */
 737                 ret = sys_ioctl(fd, OPROMGETOPT, arg);
 738                 break;
 739         case 2: /* OPROMSETOPT */
 740                 ret = sys_ioctl(fd, OPROMSETOPT, arg);
 741                 break;
 742         case 3: /* OPROMNXTOPT */
 743                 ret = sys_ioctl(fd, OPROMNXTOPT, arg);
 744                 break;
 745         case 4: /* OPROMSETOPT2 */
 746                 ret = sys_ioctl(fd, OPROMSETOPT2, arg);
 747                 break;
 748         case 5: /* OPROMNEXT */
 749                 ret = sys_ioctl(fd, OPROMNEXT, arg);
 750                 break;
 751         case 6: /* OPROMCHILD */
 752                 ret = sys_ioctl(fd, OPROMCHILD, arg);
 753                 break;
 754         case 7: /* OPROMGETPROP */
 755                 ret = sys_ioctl(fd, OPROMGETPROP, arg);
 756                 break;
 757         case 8: /* OPROMNXTPROP */
 758                 ret = sys_ioctl(fd, OPROMNXTPROP, arg);
 759                 break;
 760         case 9: /* OPROMU2P */
 761                 ret = sys_ioctl(fd, OPROMU2P, arg);
 762                 break;
 763         case 10: /* OPROMGETCONS */
 764                 ret = sys_ioctl(fd, OPROMGETCONS, arg);
 765                 break;
 766         case 11: /* OPROMGETFBNAME */
 767                 ret = sys_ioctl(fd, OPROMGETFBNAME, arg);
 768                 break;
 769         case 12: /* OPROMGETBOOTARGS */
 770                 ret = sys_ioctl(fd, OPROMGETBOOTARGS, arg);
 771                 break;
 772         case 13: /* OPROMGETVERSION */
 773         case 14: /* OPROMPATH2DRV */
 774         case 15: /* OPROMDEV2PROMNAME */
 775         case 16: /* OPROMPROM2DEVNAME */
 776         case 17: /* OPROMGETPROPLEN */
 777         default:
 778                 ret = -EINVAL;
 779                 break;
 780         };
 781         return ret;
 782 }
 783
 784 /* }}} */
 785
 786 asmlinkage int solaris_ioctl(unsigned int fd, unsigned int cmd, u32 arg)
 787 {
 788         struct file *filp;
 789         int error = -EBADF;
 790
 791         filp = fget(fd);
 792         if (!filp)
 793                 goto out;
 794
 795         lock_kernel();
 796         error = -EFAULT;
 797         switch ((cmd >> 8) & 0xff) {
 798         case 'S': error = solaris_S(filp, fd, cmd, arg); break;
 799         case 'T': error = solaris_T(fd, cmd, arg); break;
 800         case 'i': error = solaris_i(fd, cmd, arg); break;
 801         case 'r': error = solaris_r(fd, cmd, arg); break;
 802         case 's': error = solaris_s(fd, cmd, arg); break;
 803         case 't': error = solaris_t(fd, cmd, arg); break;
 804         case 'f': error = sys_ioctl(fd, cmd, arg); break;
 805         case 'm': error = solaris_m(fd, cmd, arg); break;
 806         case 'O': error = solaris_O(fd, cmd, arg); break;
 807         default:
 808                 error = -ENOSYS;
 809                 break;
 810         }
 811         unlock_kernel();
 812         fput(filp);
 813 out:
 814         if (error == -ENOSYS) {
 815                 unsigned char c = cmd>>8;
 816
 817                 if (c < ' ' || c > 126) c = '.';
 818                 printk("solaris_ioctl: Unknown cmd fd(%d) cmd(%08x '%c') arg(%08x)\n",
 819                        (int)fd, (unsigned int)cmd, c, (unsigned int)arg);
 820                 error = -EINVAL;
 821         }
 822         return error;
 823 }