Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * sysirix.c: IRIX system call emulation. |
| 3 | * |
| 4 | * Copyright (C) 1996 David S. Miller |
| 5 | * Copyright (C) 1997 Miguel de Icaza |
| 6 | * Copyright (C) 1997, 1998, 1999, 2000 Ralf Baechle |
| 7 | */ |
| 8 | #include <linux/kernel.h> |
| 9 | #include <linux/sched.h> |
| 10 | #include <linux/binfmts.h> |
| 11 | #include <linux/highuid.h> |
| 12 | #include <linux/pagemap.h> |
| 13 | #include <linux/mm.h> |
| 14 | #include <linux/mman.h> |
| 15 | #include <linux/slab.h> |
| 16 | #include <linux/swap.h> |
| 17 | #include <linux/errno.h> |
| 18 | #include <linux/time.h> |
| 19 | #include <linux/timex.h> |
| 20 | #include <linux/times.h> |
| 21 | #include <linux/elf.h> |
| 22 | #include <linux/msg.h> |
| 23 | #include <linux/shm.h> |
| 24 | #include <linux/smp.h> |
| 25 | #include <linux/smp_lock.h> |
| 26 | #include <linux/utsname.h> |
| 27 | #include <linux/file.h> |
| 28 | #include <linux/vfs.h> |
| 29 | #include <linux/namei.h> |
| 30 | #include <linux/socket.h> |
| 31 | #include <linux/security.h> |
| 32 | #include <linux/syscalls.h> |
| 33 | |
| 34 | #include <asm/ptrace.h> |
| 35 | #include <asm/page.h> |
| 36 | #include <asm/uaccess.h> |
| 37 | #include <asm/inventory.h> |
| 38 | |
| 39 | /* 2,191 lines of complete and utter shit coming up... */ |
| 40 | |
| 41 | extern int max_threads; |
| 42 | |
| 43 | /* The sysmp commands supported thus far. */ |
| 44 | #define MP_NPROCS 1 /* # processor in complex */ |
| 45 | #define MP_NAPROCS 2 /* # active processors in complex */ |
| 46 | #define MP_PGSIZE 14 /* Return system page size in v1. */ |
| 47 | |
| 48 | asmlinkage int irix_sysmp(struct pt_regs *regs) |
| 49 | { |
| 50 | unsigned long cmd; |
| 51 | int base = 0; |
| 52 | int error = 0; |
| 53 | |
| 54 | if(regs->regs[2] == 1000) |
| 55 | base = 1; |
| 56 | cmd = regs->regs[base + 4]; |
| 57 | switch(cmd) { |
| 58 | case MP_PGSIZE: |
| 59 | error = PAGE_SIZE; |
| 60 | break; |
| 61 | case MP_NPROCS: |
| 62 | case MP_NAPROCS: |
| 63 | error = num_online_cpus(); |
| 64 | break; |
| 65 | default: |
| 66 | printk("SYSMP[%s:%d]: Unsupported opcode %d\n", |
| 67 | current->comm, current->pid, (int)cmd); |
| 68 | error = -EINVAL; |
| 69 | break; |
| 70 | } |
| 71 | |
| 72 | return error; |
| 73 | } |
| 74 | |
| 75 | /* The prctl commands. */ |
Steven J. Hill | 784f7b9 | 2005-03-01 03:51:33 +0000 | [diff] [blame] | 76 | #define PR_MAXPROCS 1 /* Tasks/user. */ |
| 77 | #define PR_ISBLOCKED 2 /* If blocked, return 1. */ |
| 78 | #define PR_SETSTACKSIZE 3 /* Set largest task stack size. */ |
| 79 | #define PR_GETSTACKSIZE 4 /* Get largest task stack size. */ |
| 80 | #define PR_MAXPPROCS 5 /* Num parallel tasks. */ |
| 81 | #define PR_UNBLKONEXEC 6 /* When task exec/exit's, unblock. */ |
| 82 | #define PR_SETEXITSIG 8 /* When task exit's, set signal. */ |
| 83 | #define PR_RESIDENT 9 /* Make task unswappable. */ |
| 84 | #define PR_ATTACHADDR 10 /* (Re-)Connect a vma to a task. */ |
| 85 | #define PR_DETACHADDR 11 /* Disconnect a vma from a task. */ |
| 86 | #define PR_TERMCHILD 12 /* Kill child if the parent dies. */ |
| 87 | #define PR_GETSHMASK 13 /* Get the sproc() share mask. */ |
| 88 | #define PR_GETNSHARE 14 /* Number of share group members. */ |
| 89 | #define PR_COREPID 15 /* Add task pid to name when it core. */ |
| 90 | #define PR_ATTACHADDRPERM 16 /* (Re-)Connect vma, with specified prot. */ |
| 91 | #define PR_PTHREADEXIT 17 /* Kill a pthread, only for IRIX 6.[234] */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | |
Steven J. Hill | 784f7b9 | 2005-03-01 03:51:33 +0000 | [diff] [blame] | 93 | asmlinkage int irix_prctl(unsigned option, ...) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | { |
Steven J. Hill | 784f7b9 | 2005-03-01 03:51:33 +0000 | [diff] [blame] | 95 | va_list args; |
| 96 | int error = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | |
Steven J. Hill | 784f7b9 | 2005-03-01 03:51:33 +0000 | [diff] [blame] | 98 | va_start(args, option); |
| 99 | switch (option) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | case PR_MAXPROCS: |
| 101 | printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n", |
| 102 | current->comm, current->pid); |
| 103 | error = max_threads; |
| 104 | break; |
| 105 | |
| 106 | case PR_ISBLOCKED: { |
| 107 | struct task_struct *task; |
| 108 | |
| 109 | printk("irix_prctl[%s:%d]: Wants PR_ISBLOCKED\n", |
| 110 | current->comm, current->pid); |
| 111 | read_lock(&tasklist_lock); |
Steven J. Hill | 784f7b9 | 2005-03-01 03:51:33 +0000 | [diff] [blame] | 112 | task = find_task_by_pid(va_arg(args, pid_t)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | error = -ESRCH; |
| 114 | if (error) |
| 115 | error = (task->run_list.next != NULL); |
| 116 | read_unlock(&tasklist_lock); |
| 117 | /* Can _your_ OS find this out that fast? */ |
| 118 | break; |
| 119 | } |
| 120 | |
| 121 | case PR_SETSTACKSIZE: { |
Steven J. Hill | 784f7b9 | 2005-03-01 03:51:33 +0000 | [diff] [blame] | 122 | long value = va_arg(args, long); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | |
| 124 | printk("irix_prctl[%s:%d]: Wants PR_SETSTACKSIZE<%08lx>\n", |
| 125 | current->comm, current->pid, (unsigned long) value); |
| 126 | if (value > RLIM_INFINITY) |
| 127 | value = RLIM_INFINITY; |
| 128 | if (capable(CAP_SYS_ADMIN)) { |
| 129 | task_lock(current->group_leader); |
| 130 | current->signal->rlim[RLIMIT_STACK].rlim_max = |
| 131 | current->signal->rlim[RLIMIT_STACK].rlim_cur = value; |
| 132 | task_unlock(current->group_leader); |
| 133 | error = value; |
| 134 | break; |
| 135 | } |
| 136 | task_lock(current->group_leader); |
| 137 | if (value > current->signal->rlim[RLIMIT_STACK].rlim_max) { |
| 138 | error = -EINVAL; |
| 139 | task_unlock(current->group_leader); |
| 140 | break; |
| 141 | } |
| 142 | current->signal->rlim[RLIMIT_STACK].rlim_cur = value; |
| 143 | task_unlock(current->group_leader); |
| 144 | error = value; |
| 145 | break; |
| 146 | } |
| 147 | |
| 148 | case PR_GETSTACKSIZE: |
| 149 | printk("irix_prctl[%s:%d]: Wants PR_GETSTACKSIZE\n", |
| 150 | current->comm, current->pid); |
| 151 | error = current->signal->rlim[RLIMIT_STACK].rlim_cur; |
| 152 | break; |
| 153 | |
| 154 | case PR_MAXPPROCS: |
| 155 | printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n", |
| 156 | current->comm, current->pid); |
| 157 | error = 1; |
| 158 | break; |
| 159 | |
| 160 | case PR_UNBLKONEXEC: |
| 161 | printk("irix_prctl[%s:%d]: Wants PR_UNBLKONEXEC\n", |
| 162 | current->comm, current->pid); |
| 163 | error = -EINVAL; |
| 164 | break; |
| 165 | |
| 166 | case PR_SETEXITSIG: |
| 167 | printk("irix_prctl[%s:%d]: Wants PR_SETEXITSIG\n", |
| 168 | current->comm, current->pid); |
| 169 | |
| 170 | /* We can probably play some game where we set the task |
| 171 | * exit_code to some non-zero value when this is requested, |
| 172 | * and check whether exit_code is already set in do_exit(). |
| 173 | */ |
| 174 | error = -EINVAL; |
| 175 | break; |
| 176 | |
| 177 | case PR_RESIDENT: |
| 178 | printk("irix_prctl[%s:%d]: Wants PR_RESIDENT\n", |
| 179 | current->comm, current->pid); |
| 180 | error = 0; /* Compatibility indeed. */ |
| 181 | break; |
| 182 | |
| 183 | case PR_ATTACHADDR: |
| 184 | printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDR\n", |
| 185 | current->comm, current->pid); |
| 186 | error = -EINVAL; |
| 187 | break; |
| 188 | |
| 189 | case PR_DETACHADDR: |
| 190 | printk("irix_prctl[%s:%d]: Wants PR_DETACHADDR\n", |
| 191 | current->comm, current->pid); |
| 192 | error = -EINVAL; |
| 193 | break; |
| 194 | |
| 195 | case PR_TERMCHILD: |
| 196 | printk("irix_prctl[%s:%d]: Wants PR_TERMCHILD\n", |
| 197 | current->comm, current->pid); |
| 198 | error = -EINVAL; |
| 199 | break; |
| 200 | |
| 201 | case PR_GETSHMASK: |
| 202 | printk("irix_prctl[%s:%d]: Wants PR_GETSHMASK\n", |
| 203 | current->comm, current->pid); |
| 204 | error = -EINVAL; /* Until I have the sproc() stuff in. */ |
| 205 | break; |
| 206 | |
| 207 | case PR_GETNSHARE: |
| 208 | error = 0; /* Until I have the sproc() stuff in. */ |
| 209 | break; |
| 210 | |
| 211 | case PR_COREPID: |
| 212 | printk("irix_prctl[%s:%d]: Wants PR_COREPID\n", |
| 213 | current->comm, current->pid); |
| 214 | error = -EINVAL; |
| 215 | break; |
| 216 | |
| 217 | case PR_ATTACHADDRPERM: |
| 218 | printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDRPERM\n", |
| 219 | current->comm, current->pid); |
| 220 | error = -EINVAL; |
| 221 | break; |
| 222 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | default: |
| 224 | printk("irix_prctl[%s:%d]: Non-existant opcode %d\n", |
Steven J. Hill | 784f7b9 | 2005-03-01 03:51:33 +0000 | [diff] [blame] | 225 | current->comm, current->pid, option); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | error = -EINVAL; |
| 227 | break; |
| 228 | } |
Steven J. Hill | 784f7b9 | 2005-03-01 03:51:33 +0000 | [diff] [blame] | 229 | va_end(args); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 230 | |
| 231 | return error; |
| 232 | } |
| 233 | |
| 234 | #undef DEBUG_PROCGRPS |
| 235 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 236 | extern unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | extern int getrusage(struct task_struct *p, int who, struct rusage __user *ru); |
| 238 | extern char *prom_getenv(char *name); |
| 239 | extern long prom_setenv(char *name, char *value); |
| 240 | |
| 241 | /* The syssgi commands supported thus far. */ |
| 242 | #define SGI_SYSID 1 /* Return unique per-machine identifier. */ |
| 243 | #define SGI_INVENT 5 /* Fetch inventory */ |
| 244 | # define SGI_INV_SIZEOF 1 |
| 245 | # define SGI_INV_READ 2 |
| 246 | #define SGI_RDNAME 6 /* Return string name of a process. */ |
| 247 | #define SGI_SETNVRAM 8 /* Set PROM variable. */ |
| 248 | #define SGI_GETNVRAM 9 /* Get PROM variable. */ |
| 249 | #define SGI_SETPGID 21 /* Set process group id. */ |
| 250 | #define SGI_SYSCONF 22 /* POSIX sysconf garbage. */ |
| 251 | #define SGI_PATHCONF 24 /* POSIX sysconf garbage. */ |
| 252 | #define SGI_SETGROUPS 40 /* POSIX sysconf garbage. */ |
| 253 | #define SGI_GETGROUPS 41 /* POSIX sysconf garbage. */ |
| 254 | #define SGI_RUSAGE 56 /* BSD style rusage(). */ |
| 255 | #define SGI_SSYNC 62 /* Synchronous fs sync. */ |
| 256 | #define SGI_GETSID 65 /* SysVr4 get session id. */ |
| 257 | #define SGI_ELFMAP 68 /* Map an elf image. */ |
| 258 | #define SGI_TOSSTSAVE 108 /* Toss saved vma's. */ |
| 259 | #define SGI_FP_BCOPY 129 /* Should FPU bcopy be used on this machine? */ |
| 260 | #define SGI_PHYSP 1011 /* Translate virtual into physical page. */ |
| 261 | |
| 262 | asmlinkage int irix_syssgi(struct pt_regs *regs) |
| 263 | { |
| 264 | unsigned long cmd; |
| 265 | int retval, base = 0; |
| 266 | |
| 267 | if (regs->regs[2] == 1000) |
| 268 | base = 1; |
| 269 | |
| 270 | cmd = regs->regs[base + 4]; |
| 271 | switch(cmd) { |
| 272 | case SGI_SYSID: { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 273 | char __user *buf = (char __user *) regs->regs[base + 5]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | |
| 275 | /* XXX Use ethernet addr.... */ |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 276 | retval = clear_user(buf, 64) ? -EFAULT : 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | break; |
| 278 | } |
| 279 | #if 0 |
| 280 | case SGI_RDNAME: { |
| 281 | int pid = (int) regs->regs[base + 5]; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 282 | char __user *buf = (char __user *) regs->regs[base + 6]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | struct task_struct *p; |
| 284 | char tcomm[sizeof(current->comm)]; |
| 285 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | read_lock(&tasklist_lock); |
| 287 | p = find_task_by_pid(pid); |
| 288 | if (!p) { |
| 289 | read_unlock(&tasklist_lock); |
| 290 | retval = -ESRCH; |
| 291 | break; |
| 292 | } |
| 293 | get_task_comm(tcomm, p); |
| 294 | read_unlock(&tasklist_lock); |
| 295 | |
| 296 | /* XXX Need to check sizes. */ |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 297 | retval = copy_to_user(buf, tcomm, sizeof(tcomm)) ? -EFAULT : 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | break; |
| 299 | } |
| 300 | |
| 301 | case SGI_GETNVRAM: { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 302 | char __user *name = (char __user *) regs->regs[base+5]; |
| 303 | char __user *buf = (char __user *) regs->regs[base+6]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | char *value; |
| 305 | return -EINVAL; /* til I fix it */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | value = prom_getenv(name); /* PROM lock? */ |
| 307 | if (!value) { |
| 308 | retval = -EINVAL; |
| 309 | break; |
| 310 | } |
| 311 | /* Do I strlen() for the length? */ |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 312 | retval = copy_to_user(buf, value, 128) ? -EFAULT : 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | break; |
| 314 | } |
| 315 | |
| 316 | case SGI_SETNVRAM: { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 317 | char __user *name = (char __user *) regs->regs[base+5]; |
| 318 | char __user *value = (char __user *) regs->regs[base+6]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | return -EINVAL; /* til I fix it */ |
| 320 | retval = prom_setenv(name, value); |
| 321 | /* XXX make sure retval conforms to syssgi(2) */ |
| 322 | printk("[%s:%d] setnvram(\"%s\", \"%s\"): retval %d", |
| 323 | current->comm, current->pid, name, value, retval); |
| 324 | /* if (retval == PROM_ENOENT) |
| 325 | retval = -ENOENT; */ |
| 326 | break; |
| 327 | } |
| 328 | #endif |
| 329 | |
| 330 | case SGI_SETPGID: { |
| 331 | #ifdef DEBUG_PROCGRPS |
| 332 | printk("[%s:%d] setpgid(%d, %d) ", |
| 333 | current->comm, current->pid, |
| 334 | (int) regs->regs[base + 5], (int)regs->regs[base + 6]); |
| 335 | #endif |
| 336 | retval = sys_setpgid(regs->regs[base + 5], regs->regs[base + 6]); |
| 337 | |
| 338 | #ifdef DEBUG_PROCGRPS |
| 339 | printk("retval=%d\n", retval); |
| 340 | #endif |
| 341 | } |
| 342 | |
| 343 | case SGI_SYSCONF: { |
| 344 | switch(regs->regs[base + 5]) { |
| 345 | case 1: |
| 346 | retval = (MAX_ARG_PAGES >> 4); /* XXX estimate... */ |
| 347 | goto out; |
| 348 | case 2: |
| 349 | retval = max_threads; |
| 350 | goto out; |
| 351 | case 3: |
| 352 | retval = HZ; |
| 353 | goto out; |
| 354 | case 4: |
| 355 | retval = NGROUPS_MAX; |
| 356 | goto out; |
| 357 | case 5: |
| 358 | retval = NR_OPEN; |
| 359 | goto out; |
| 360 | case 6: |
| 361 | retval = 1; |
| 362 | goto out; |
| 363 | case 7: |
| 364 | retval = 1; |
| 365 | goto out; |
| 366 | case 8: |
| 367 | retval = 199009; |
| 368 | goto out; |
| 369 | case 11: |
| 370 | retval = PAGE_SIZE; |
| 371 | goto out; |
| 372 | case 12: |
| 373 | retval = 4; |
| 374 | goto out; |
| 375 | case 25: |
| 376 | case 26: |
| 377 | case 27: |
| 378 | case 28: |
| 379 | case 29: |
| 380 | case 30: |
| 381 | retval = 0; |
| 382 | goto out; |
| 383 | case 31: |
| 384 | retval = 32; |
| 385 | goto out; |
| 386 | default: |
| 387 | retval = -EINVAL; |
| 388 | goto out; |
| 389 | }; |
| 390 | } |
| 391 | |
| 392 | case SGI_SETGROUPS: |
| 393 | retval = sys_setgroups((int) regs->regs[base + 5], |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 394 | (gid_t __user *) regs->regs[base + 6]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | break; |
| 396 | |
| 397 | case SGI_GETGROUPS: |
| 398 | retval = sys_getgroups((int) regs->regs[base + 5], |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 399 | (gid_t __user *) regs->regs[base + 6]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | break; |
| 401 | |
| 402 | case SGI_RUSAGE: { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 403 | struct rusage __user *ru = (struct rusage __user *) regs->regs[base + 6]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | |
| 405 | switch((int) regs->regs[base + 5]) { |
| 406 | case 0: |
| 407 | /* rusage self */ |
| 408 | retval = getrusage(current, RUSAGE_SELF, ru); |
| 409 | goto out; |
| 410 | |
| 411 | case -1: |
| 412 | /* rusage children */ |
| 413 | retval = getrusage(current, RUSAGE_CHILDREN, ru); |
| 414 | goto out; |
| 415 | |
| 416 | default: |
| 417 | retval = -EINVAL; |
| 418 | goto out; |
| 419 | }; |
| 420 | } |
| 421 | |
| 422 | case SGI_SSYNC: |
| 423 | sys_sync(); |
| 424 | retval = 0; |
| 425 | break; |
| 426 | |
| 427 | case SGI_GETSID: |
| 428 | #ifdef DEBUG_PROCGRPS |
| 429 | printk("[%s:%d] getsid(%d) ", current->comm, current->pid, |
| 430 | (int) regs->regs[base + 5]); |
| 431 | #endif |
| 432 | retval = sys_getsid(regs->regs[base + 5]); |
| 433 | #ifdef DEBUG_PROCGRPS |
| 434 | printk("retval=%d\n", retval); |
| 435 | #endif |
| 436 | break; |
| 437 | |
| 438 | case SGI_ELFMAP: |
| 439 | retval = irix_mapelf((int) regs->regs[base + 5], |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 440 | (struct elf_phdr __user *) regs->regs[base + 6], |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | (int) regs->regs[base + 7]); |
| 442 | break; |
| 443 | |
| 444 | case SGI_TOSSTSAVE: |
| 445 | /* XXX We don't need to do anything? */ |
| 446 | retval = 0; |
| 447 | break; |
| 448 | |
| 449 | case SGI_FP_BCOPY: |
| 450 | retval = 0; |
| 451 | break; |
| 452 | |
| 453 | case SGI_PHYSP: { |
| 454 | unsigned long addr = regs->regs[base + 5]; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 455 | int __user *pageno = (int __user *) (regs->regs[base + 6]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | struct mm_struct *mm = current->mm; |
| 457 | pgd_t *pgdp; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 458 | pud_t *pudp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | pmd_t *pmdp; |
| 460 | pte_t *ptep; |
| 461 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | down_read(&mm->mmap_sem); |
| 463 | pgdp = pgd_offset(mm, addr); |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 464 | pudp = pud_offset(pgdp, addr); |
| 465 | pmdp = pmd_offset(pudp, addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | ptep = pte_offset(pmdp, addr); |
| 467 | retval = -EINVAL; |
| 468 | if (ptep) { |
| 469 | pte_t pte = *ptep; |
| 470 | |
| 471 | if (pte_val(pte) & (_PAGE_VALID | _PAGE_PRESENT)) { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 472 | /* b0rked on 64-bit */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | retval = put_user((pte_val(pte) & PAGE_MASK) >> |
| 474 | PAGE_SHIFT, pageno); |
| 475 | } |
| 476 | } |
| 477 | up_read(&mm->mmap_sem); |
| 478 | break; |
| 479 | } |
| 480 | |
| 481 | case SGI_INVENT: { |
| 482 | int arg1 = (int) regs->regs [base + 5]; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 483 | void __user *buffer = (void __user *) regs->regs [base + 6]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | int count = (int) regs->regs [base + 7]; |
| 485 | |
| 486 | switch (arg1) { |
| 487 | case SGI_INV_SIZEOF: |
| 488 | retval = sizeof (inventory_t); |
| 489 | break; |
| 490 | case SGI_INV_READ: |
| 491 | retval = dump_inventory_to_user (buffer, count); |
| 492 | break; |
| 493 | default: |
| 494 | retval = -EINVAL; |
| 495 | } |
| 496 | break; |
| 497 | } |
| 498 | |
| 499 | default: |
| 500 | printk("irix_syssgi: Unsupported command %d\n", (int)cmd); |
| 501 | retval = -EINVAL; |
| 502 | break; |
| 503 | }; |
| 504 | |
| 505 | out: |
| 506 | return retval; |
| 507 | } |
| 508 | |
| 509 | asmlinkage int irix_gtime(struct pt_regs *regs) |
| 510 | { |
| 511 | return get_seconds(); |
| 512 | } |
| 513 | |
| 514 | /* |
| 515 | * IRIX is completely broken... it returns 0 on success, otherwise |
| 516 | * ENOMEM. |
| 517 | */ |
| 518 | asmlinkage int irix_brk(unsigned long brk) |
| 519 | { |
| 520 | unsigned long rlim; |
| 521 | unsigned long newbrk, oldbrk; |
| 522 | struct mm_struct *mm = current->mm; |
| 523 | int ret; |
| 524 | |
| 525 | down_write(&mm->mmap_sem); |
| 526 | if (brk < mm->end_code) { |
| 527 | ret = -ENOMEM; |
| 528 | goto out; |
| 529 | } |
| 530 | |
| 531 | newbrk = PAGE_ALIGN(brk); |
| 532 | oldbrk = PAGE_ALIGN(mm->brk); |
| 533 | if (oldbrk == newbrk) { |
| 534 | mm->brk = brk; |
| 535 | ret = 0; |
| 536 | goto out; |
| 537 | } |
| 538 | |
| 539 | /* |
| 540 | * Always allow shrinking brk |
| 541 | */ |
| 542 | if (brk <= mm->brk) { |
| 543 | mm->brk = brk; |
| 544 | do_munmap(mm, newbrk, oldbrk-newbrk); |
| 545 | ret = 0; |
| 546 | goto out; |
| 547 | } |
| 548 | /* |
| 549 | * Check against rlimit and stack.. |
| 550 | */ |
| 551 | rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur; |
| 552 | if (rlim >= RLIM_INFINITY) |
| 553 | rlim = ~0; |
| 554 | if (brk - mm->end_code > rlim) { |
| 555 | ret = -ENOMEM; |
| 556 | goto out; |
| 557 | } |
| 558 | |
| 559 | /* |
| 560 | * Check against existing mmap mappings. |
| 561 | */ |
| 562 | if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE)) { |
| 563 | ret = -ENOMEM; |
| 564 | goto out; |
| 565 | } |
| 566 | |
| 567 | /* |
Hugh Dickins | 2fd4ef8 | 2005-09-14 06:13:02 +0100 | [diff] [blame] | 568 | * Ok, looks good - let it rip. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | */ |
Hugh Dickins | 2fd4ef8 | 2005-09-14 06:13:02 +0100 | [diff] [blame] | 570 | if (do_brk(oldbrk, newbrk-oldbrk) != oldbrk) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 571 | ret = -ENOMEM; |
| 572 | goto out; |
| 573 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 574 | mm->brk = brk; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 575 | ret = 0; |
| 576 | |
| 577 | out: |
| 578 | up_write(&mm->mmap_sem); |
| 579 | return ret; |
| 580 | } |
| 581 | |
| 582 | asmlinkage int irix_getpid(struct pt_regs *regs) |
| 583 | { |
| 584 | regs->regs[3] = current->real_parent->pid; |
| 585 | return current->pid; |
| 586 | } |
| 587 | |
| 588 | asmlinkage int irix_getuid(struct pt_regs *regs) |
| 589 | { |
| 590 | regs->regs[3] = current->euid; |
| 591 | return current->uid; |
| 592 | } |
| 593 | |
| 594 | asmlinkage int irix_getgid(struct pt_regs *regs) |
| 595 | { |
| 596 | regs->regs[3] = current->egid; |
| 597 | return current->gid; |
| 598 | } |
| 599 | |
| 600 | asmlinkage int irix_stime(int value) |
| 601 | { |
| 602 | int err; |
| 603 | struct timespec tv; |
| 604 | |
| 605 | tv.tv_sec = value; |
| 606 | tv.tv_nsec = 0; |
| 607 | err = security_settime(&tv, NULL); |
| 608 | if (err) |
| 609 | return err; |
| 610 | |
| 611 | write_seqlock_irq(&xtime_lock); |
| 612 | xtime.tv_sec = value; |
| 613 | xtime.tv_nsec = 0; |
john stultz | b149ee2 | 2005-09-06 15:17:46 -0700 | [diff] [blame] | 614 | ntp_clear(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | write_sequnlock_irq(&xtime_lock); |
| 616 | |
| 617 | return 0; |
| 618 | } |
| 619 | |
| 620 | static inline void jiffiestotv(unsigned long jiffies, struct timeval *value) |
| 621 | { |
| 622 | value->tv_usec = (jiffies % HZ) * (1000000 / HZ); |
| 623 | value->tv_sec = jiffies / HZ; |
| 624 | } |
| 625 | |
| 626 | static inline void getitimer_real(struct itimerval *value) |
| 627 | { |
| 628 | register unsigned long val, interval; |
| 629 | |
| 630 | interval = current->it_real_incr; |
| 631 | val = 0; |
| 632 | if (del_timer(¤t->real_timer)) { |
| 633 | unsigned long now = jiffies; |
| 634 | val = current->real_timer.expires; |
| 635 | add_timer(¤t->real_timer); |
| 636 | /* look out for negative/zero itimer.. */ |
| 637 | if (val <= now) |
| 638 | val = now+1; |
| 639 | val -= now; |
| 640 | } |
| 641 | jiffiestotv(val, &value->it_value); |
| 642 | jiffiestotv(interval, &value->it_interval); |
| 643 | } |
| 644 | |
| 645 | asmlinkage unsigned int irix_alarm(unsigned int seconds) |
| 646 | { |
| 647 | struct itimerval it_new, it_old; |
| 648 | unsigned int oldalarm; |
| 649 | |
| 650 | if (!seconds) { |
| 651 | getitimer_real(&it_old); |
| 652 | del_timer(¤t->real_timer); |
| 653 | } else { |
| 654 | it_new.it_interval.tv_sec = it_new.it_interval.tv_usec = 0; |
| 655 | it_new.it_value.tv_sec = seconds; |
| 656 | it_new.it_value.tv_usec = 0; |
| 657 | do_setitimer(ITIMER_REAL, &it_new, &it_old); |
| 658 | } |
| 659 | oldalarm = it_old.it_value.tv_sec; |
| 660 | /* |
| 661 | * ehhh.. We can't return 0 if we have an alarm pending ... |
| 662 | * And we'd better return too much than too little anyway |
| 663 | */ |
| 664 | if (it_old.it_value.tv_usec) |
| 665 | oldalarm++; |
| 666 | |
| 667 | return oldalarm; |
| 668 | } |
| 669 | |
| 670 | asmlinkage int irix_pause(void) |
| 671 | { |
| 672 | current->state = TASK_INTERRUPTIBLE; |
| 673 | schedule(); |
| 674 | |
| 675 | return -EINTR; |
| 676 | } |
| 677 | |
| 678 | /* XXX need more than this... */ |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 679 | asmlinkage int irix_mount(char __user *dev_name, char __user *dir_name, |
| 680 | unsigned long flags, char __user *type, void __user *data, int datalen) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | { |
| 682 | printk("[%s:%d] irix_mount(%p,%p,%08lx,%p,%p,%d)\n", |
| 683 | current->comm, current->pid, |
| 684 | dev_name, dir_name, flags, type, data, datalen); |
| 685 | |
| 686 | return sys_mount(dev_name, dir_name, type, flags, data); |
| 687 | } |
| 688 | |
| 689 | struct irix_statfs { |
| 690 | short f_type; |
| 691 | long f_bsize, f_frsize, f_blocks, f_bfree, f_files, f_ffree; |
| 692 | char f_fname[6], f_fpack[6]; |
| 693 | }; |
| 694 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 695 | asmlinkage int irix_statfs(const char __user *path, |
| 696 | struct irix_statfs __user *buf, int len, int fs_type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | { |
| 698 | struct nameidata nd; |
| 699 | struct kstatfs kbuf; |
| 700 | int error, i; |
| 701 | |
| 702 | /* We don't support this feature yet. */ |
| 703 | if (fs_type) { |
| 704 | error = -EINVAL; |
| 705 | goto out; |
| 706 | } |
| 707 | if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) { |
| 708 | error = -EFAULT; |
| 709 | goto out; |
| 710 | } |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 711 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 712 | error = user_path_walk(path, &nd); |
| 713 | if (error) |
| 714 | goto out; |
| 715 | |
| 716 | error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf); |
| 717 | if (error) |
| 718 | goto dput_and_out; |
| 719 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 720 | error = __put_user(kbuf.f_type, &buf->f_type); |
| 721 | error |= __put_user(kbuf.f_bsize, &buf->f_bsize); |
| 722 | error |= __put_user(kbuf.f_frsize, &buf->f_frsize); |
| 723 | error |= __put_user(kbuf.f_blocks, &buf->f_blocks); |
| 724 | error |= __put_user(kbuf.f_bfree, &buf->f_bfree); |
| 725 | error |= __put_user(kbuf.f_files, &buf->f_files); |
| 726 | error |= __put_user(kbuf.f_ffree, &buf->f_ffree); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | for (i = 0; i < 6; i++) { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 728 | error |= __put_user(0, &buf->f_fname[i]); |
| 729 | error |= __put_user(0, &buf->f_fpack[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | |
| 732 | dput_and_out: |
| 733 | path_release(&nd); |
| 734 | out: |
| 735 | return error; |
| 736 | } |
| 737 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 738 | asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs __user *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 739 | { |
| 740 | struct kstatfs kbuf; |
| 741 | struct file *file; |
| 742 | int error, i; |
| 743 | |
| 744 | if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) { |
| 745 | error = -EFAULT; |
| 746 | goto out; |
| 747 | } |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 748 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 749 | if (!(file = fget(fd))) { |
| 750 | error = -EBADF; |
| 751 | goto out; |
| 752 | } |
| 753 | |
| 754 | error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf); |
| 755 | if (error) |
| 756 | goto out_f; |
| 757 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 758 | error = __put_user(kbuf.f_type, &buf->f_type); |
| 759 | error |= __put_user(kbuf.f_bsize, &buf->f_bsize); |
| 760 | error |= __put_user(kbuf.f_frsize, &buf->f_frsize); |
| 761 | error |= __put_user(kbuf.f_blocks, &buf->f_blocks); |
| 762 | error |= __put_user(kbuf.f_bfree, &buf->f_bfree); |
| 763 | error |= __put_user(kbuf.f_files, &buf->f_files); |
| 764 | error |= __put_user(kbuf.f_ffree, &buf->f_ffree); |
| 765 | |
| 766 | for (i = 0; i < 6; i++) { |
| 767 | error |= __put_user(0, &buf->f_fname[i]); |
| 768 | error |= __put_user(0, &buf->f_fpack[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 769 | } |
| 770 | |
| 771 | out_f: |
| 772 | fput(file); |
| 773 | out: |
| 774 | return error; |
| 775 | } |
| 776 | |
| 777 | asmlinkage int irix_setpgrp(int flags) |
| 778 | { |
| 779 | int error; |
| 780 | |
| 781 | #ifdef DEBUG_PROCGRPS |
| 782 | printk("[%s:%d] setpgrp(%d) ", current->comm, current->pid, flags); |
| 783 | #endif |
| 784 | if(!flags) |
| 785 | error = process_group(current); |
| 786 | else |
| 787 | error = sys_setsid(); |
| 788 | #ifdef DEBUG_PROCGRPS |
| 789 | printk("returning %d\n", process_group(current)); |
| 790 | #endif |
| 791 | |
| 792 | return error; |
| 793 | } |
| 794 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 795 | asmlinkage int irix_times(struct tms __user *tbuf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 796 | { |
| 797 | int err = 0; |
| 798 | |
| 799 | if (tbuf) { |
| 800 | if (!access_ok(VERIFY_WRITE,tbuf,sizeof *tbuf)) |
| 801 | return -EFAULT; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 802 | |
| 803 | err = __put_user(current->utime, &tbuf->tms_utime); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 804 | err |= __put_user(current->stime, &tbuf->tms_stime); |
| 805 | err |= __put_user(current->signal->cutime, &tbuf->tms_cutime); |
| 806 | err |= __put_user(current->signal->cstime, &tbuf->tms_cstime); |
| 807 | } |
| 808 | |
| 809 | return err; |
| 810 | } |
| 811 | |
| 812 | asmlinkage int irix_exec(struct pt_regs *regs) |
| 813 | { |
| 814 | int error, base = 0; |
| 815 | char *filename; |
| 816 | |
| 817 | if(regs->regs[2] == 1000) |
| 818 | base = 1; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 819 | filename = getname((char __user *) (long)regs->regs[base + 4]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 820 | error = PTR_ERR(filename); |
| 821 | if (IS_ERR(filename)) |
| 822 | return error; |
| 823 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 824 | error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5], |
| 825 | NULL, regs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | putname(filename); |
| 827 | |
| 828 | return error; |
| 829 | } |
| 830 | |
| 831 | asmlinkage int irix_exece(struct pt_regs *regs) |
| 832 | { |
| 833 | int error, base = 0; |
| 834 | char *filename; |
| 835 | |
| 836 | if (regs->regs[2] == 1000) |
| 837 | base = 1; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 838 | filename = getname((char __user *) (long)regs->regs[base + 4]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 839 | error = PTR_ERR(filename); |
| 840 | if (IS_ERR(filename)) |
| 841 | return error; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 842 | error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5], |
| 843 | (char __user * __user *) (long)regs->regs[base + 6], regs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 844 | putname(filename); |
| 845 | |
| 846 | return error; |
| 847 | } |
| 848 | |
| 849 | asmlinkage unsigned long irix_gethostid(void) |
| 850 | { |
| 851 | printk("[%s:%d]: irix_gethostid() called...\n", |
| 852 | current->comm, current->pid); |
| 853 | |
| 854 | return -EINVAL; |
| 855 | } |
| 856 | |
| 857 | asmlinkage unsigned long irix_sethostid(unsigned long val) |
| 858 | { |
| 859 | printk("[%s:%d]: irix_sethostid(%08lx) called...\n", |
| 860 | current->comm, current->pid, val); |
| 861 | |
| 862 | return -EINVAL; |
| 863 | } |
| 864 | |
| 865 | asmlinkage int irix_socket(int family, int type, int protocol) |
| 866 | { |
| 867 | switch(type) { |
| 868 | case 1: |
| 869 | type = SOCK_DGRAM; |
| 870 | break; |
| 871 | |
| 872 | case 2: |
| 873 | type = SOCK_STREAM; |
| 874 | break; |
| 875 | |
| 876 | case 3: |
| 877 | type = 9; /* Invalid... */ |
| 878 | break; |
| 879 | |
| 880 | case 4: |
| 881 | type = SOCK_RAW; |
| 882 | break; |
| 883 | |
| 884 | case 5: |
| 885 | type = SOCK_RDM; |
| 886 | break; |
| 887 | |
| 888 | case 6: |
| 889 | type = SOCK_SEQPACKET; |
| 890 | break; |
| 891 | |
| 892 | default: |
| 893 | break; |
| 894 | } |
| 895 | |
| 896 | return sys_socket(family, type, protocol); |
| 897 | } |
| 898 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 899 | asmlinkage int irix_getdomainname(char __user *name, int len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 900 | { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 901 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | |
| 903 | down_read(&uts_sem); |
| 904 | if (len > __NEW_UTS_LEN) |
| 905 | len = __NEW_UTS_LEN; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 906 | err = copy_to_user(name, system_utsname.domainname, len) ? -EFAULT : 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 907 | up_read(&uts_sem); |
| 908 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 909 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 910 | } |
| 911 | |
| 912 | asmlinkage unsigned long irix_getpagesize(void) |
| 913 | { |
| 914 | return PAGE_SIZE; |
| 915 | } |
| 916 | |
| 917 | asmlinkage int irix_msgsys(int opcode, unsigned long arg0, unsigned long arg1, |
| 918 | unsigned long arg2, unsigned long arg3, |
| 919 | unsigned long arg4) |
| 920 | { |
| 921 | switch (opcode) { |
| 922 | case 0: |
| 923 | return sys_msgget((key_t) arg0, (int) arg1); |
| 924 | case 1: |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 925 | return sys_msgctl((int) arg0, (int) arg1, |
| 926 | (struct msqid_ds __user *)arg2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 927 | case 2: |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 928 | return sys_msgrcv((int) arg0, (struct msgbuf __user *) arg1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 929 | (size_t) arg2, (long) arg3, (int) arg4); |
| 930 | case 3: |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 931 | return sys_msgsnd((int) arg0, (struct msgbuf __user *) arg1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 932 | (size_t) arg2, (int) arg3); |
| 933 | default: |
| 934 | return -EINVAL; |
| 935 | } |
| 936 | } |
| 937 | |
| 938 | asmlinkage int irix_shmsys(int opcode, unsigned long arg0, unsigned long arg1, |
| 939 | unsigned long arg2, unsigned long arg3) |
| 940 | { |
| 941 | switch (opcode) { |
| 942 | case 0: |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 943 | return do_shmat((int) arg0, (char __user *) arg1, (int) arg2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 944 | (unsigned long *) arg3); |
| 945 | case 1: |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 946 | return sys_shmctl((int)arg0, (int)arg1, |
| 947 | (struct shmid_ds __user *)arg2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 948 | case 2: |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 949 | return sys_shmdt((char __user *)arg0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 950 | case 3: |
| 951 | return sys_shmget((key_t) arg0, (int) arg1, (int) arg2); |
| 952 | default: |
| 953 | return -EINVAL; |
| 954 | } |
| 955 | } |
| 956 | |
| 957 | asmlinkage int irix_semsys(int opcode, unsigned long arg0, unsigned long arg1, |
| 958 | unsigned long arg2, int arg3) |
| 959 | { |
| 960 | switch (opcode) { |
| 961 | case 0: |
| 962 | return sys_semctl((int) arg0, (int) arg1, (int) arg2, |
| 963 | (union semun) arg3); |
| 964 | case 1: |
| 965 | return sys_semget((key_t) arg0, (int) arg1, (int) arg2); |
| 966 | case 2: |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 967 | return sys_semop((int) arg0, (struct sembuf __user *)arg1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 968 | (unsigned int) arg2); |
| 969 | default: |
| 970 | return -EINVAL; |
| 971 | } |
| 972 | } |
| 973 | |
| 974 | static inline loff_t llseek(struct file *file, loff_t offset, int origin) |
| 975 | { |
| 976 | loff_t (*fn)(struct file *, loff_t, int); |
| 977 | loff_t retval; |
| 978 | |
| 979 | fn = default_llseek; |
| 980 | if (file->f_op && file->f_op->llseek) |
| 981 | fn = file->f_op->llseek; |
| 982 | lock_kernel(); |
| 983 | retval = fn(file, offset, origin); |
| 984 | unlock_kernel(); |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 985 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 986 | return retval; |
| 987 | } |
| 988 | |
| 989 | asmlinkage int irix_lseek64(int fd, int _unused, int offhi, int offlow, |
| 990 | int origin) |
| 991 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 992 | struct file * file; |
| 993 | loff_t offset; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 994 | int retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 995 | |
| 996 | retval = -EBADF; |
| 997 | file = fget(fd); |
| 998 | if (!file) |
| 999 | goto bad; |
| 1000 | retval = -EINVAL; |
| 1001 | if (origin > 2) |
| 1002 | goto out_putf; |
| 1003 | |
| 1004 | offset = llseek(file, ((loff_t) offhi << 32) | offlow, origin); |
| 1005 | retval = (int) offset; |
| 1006 | |
| 1007 | out_putf: |
| 1008 | fput(file); |
| 1009 | bad: |
| 1010 | return retval; |
| 1011 | } |
| 1012 | |
| 1013 | asmlinkage int irix_sginap(int ticks) |
| 1014 | { |
Nishanth Aravamudan | 310b587 | 2005-09-10 00:27:27 -0700 | [diff] [blame] | 1015 | schedule_timeout_interruptible(ticks); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1016 | return 0; |
| 1017 | } |
| 1018 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1019 | asmlinkage int irix_sgikopt(char __user *istring, char __user *ostring, int len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1020 | { |
| 1021 | return -EINVAL; |
| 1022 | } |
| 1023 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1024 | asmlinkage int irix_gettimeofday(struct timeval __user *tv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1025 | { |
| 1026 | time_t sec; |
| 1027 | long nsec, seq; |
| 1028 | int err; |
| 1029 | |
| 1030 | if (!access_ok(VERIFY_WRITE, tv, sizeof(struct timeval))) |
| 1031 | return -EFAULT; |
| 1032 | |
| 1033 | do { |
| 1034 | seq = read_seqbegin(&xtime_lock); |
| 1035 | sec = xtime.tv_sec; |
| 1036 | nsec = xtime.tv_nsec; |
| 1037 | } while (read_seqretry(&xtime_lock, seq)); |
| 1038 | |
| 1039 | err = __put_user(sec, &tv->tv_sec); |
| 1040 | err |= __put_user((nsec / 1000), &tv->tv_usec); |
| 1041 | |
| 1042 | return err; |
| 1043 | } |
| 1044 | |
| 1045 | #define IRIX_MAP_AUTOGROW 0x40 |
| 1046 | |
| 1047 | asmlinkage unsigned long irix_mmap32(unsigned long addr, size_t len, int prot, |
| 1048 | int flags, int fd, off_t offset) |
| 1049 | { |
| 1050 | struct file *file = NULL; |
| 1051 | unsigned long retval; |
| 1052 | |
| 1053 | if (!(flags & MAP_ANONYMOUS)) { |
| 1054 | if (!(file = fget(fd))) |
| 1055 | return -EBADF; |
| 1056 | |
| 1057 | /* Ok, bad taste hack follows, try to think in something else |
| 1058 | * when reading this. */ |
| 1059 | if (flags & IRIX_MAP_AUTOGROW) { |
| 1060 | unsigned long old_pos; |
| 1061 | long max_size = offset + len; |
| 1062 | |
| 1063 | if (max_size > file->f_dentry->d_inode->i_size) { |
| 1064 | old_pos = sys_lseek (fd, max_size - 1, 0); |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1065 | sys_write (fd, (void __user *) "", 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1066 | sys_lseek (fd, old_pos, 0); |
| 1067 | } |
| 1068 | } |
| 1069 | } |
| 1070 | |
| 1071 | flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); |
| 1072 | |
| 1073 | down_write(¤t->mm->mmap_sem); |
| 1074 | retval = do_mmap(file, addr, len, prot, flags, offset); |
| 1075 | up_write(¤t->mm->mmap_sem); |
| 1076 | if (file) |
| 1077 | fput(file); |
| 1078 | |
| 1079 | return retval; |
| 1080 | } |
| 1081 | |
| 1082 | asmlinkage int irix_madvise(unsigned long addr, int len, int behavior) |
| 1083 | { |
| 1084 | printk("[%s:%d] Wheee.. irix_madvise(%08lx,%d,%d)\n", |
| 1085 | current->comm, current->pid, addr, len, behavior); |
| 1086 | |
| 1087 | return -EINVAL; |
| 1088 | } |
| 1089 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1090 | asmlinkage int irix_pagelock(char __user *addr, int len, int op) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1091 | { |
| 1092 | printk("[%s:%d] Wheee.. irix_pagelock(%p,%d,%d)\n", |
| 1093 | current->comm, current->pid, addr, len, op); |
| 1094 | |
| 1095 | return -EINVAL; |
| 1096 | } |
| 1097 | |
| 1098 | asmlinkage int irix_quotactl(struct pt_regs *regs) |
| 1099 | { |
| 1100 | printk("[%s:%d] Wheee.. irix_quotactl()\n", |
| 1101 | current->comm, current->pid); |
| 1102 | |
| 1103 | return -EINVAL; |
| 1104 | } |
| 1105 | |
| 1106 | asmlinkage int irix_BSDsetpgrp(int pid, int pgrp) |
| 1107 | { |
| 1108 | int error; |
| 1109 | |
| 1110 | #ifdef DEBUG_PROCGRPS |
| 1111 | printk("[%s:%d] BSDsetpgrp(%d, %d) ", current->comm, current->pid, |
| 1112 | pid, pgrp); |
| 1113 | #endif |
| 1114 | if(!pid) |
| 1115 | pid = current->pid; |
| 1116 | |
| 1117 | /* Wheee, weird sysv thing... */ |
| 1118 | if ((pgrp == 0) && (pid == current->pid)) |
| 1119 | error = sys_setsid(); |
| 1120 | else |
| 1121 | error = sys_setpgid(pid, pgrp); |
| 1122 | |
| 1123 | #ifdef DEBUG_PROCGRPS |
| 1124 | printk("error = %d\n", error); |
| 1125 | #endif |
| 1126 | |
| 1127 | return error; |
| 1128 | } |
| 1129 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1130 | asmlinkage int irix_systeminfo(int cmd, char __user *buf, int cnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1131 | { |
| 1132 | printk("[%s:%d] Wheee.. irix_systeminfo(%d,%p,%d)\n", |
| 1133 | current->comm, current->pid, cmd, buf, cnt); |
| 1134 | |
| 1135 | return -EINVAL; |
| 1136 | } |
| 1137 | |
| 1138 | struct iuname { |
| 1139 | char sysname[257], nodename[257], release[257]; |
| 1140 | char version[257], machine[257]; |
| 1141 | char m_type[257], base_rel[257]; |
| 1142 | char _unused0[257], _unused1[257], _unused2[257]; |
| 1143 | char _unused3[257], _unused4[257], _unused5[257]; |
| 1144 | }; |
| 1145 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1146 | asmlinkage int irix_uname(struct iuname __user *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1147 | { |
| 1148 | down_read(&uts_sem); |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1149 | if (copy_from_user(system_utsname.sysname, buf->sysname, 65) |
| 1150 | || copy_from_user(system_utsname.nodename, buf->nodename, 65) |
| 1151 | || copy_from_user(system_utsname.release, buf->release, 65) |
| 1152 | || copy_from_user(system_utsname.version, buf->version, 65) |
| 1153 | || copy_from_user(system_utsname.machine, buf->machine, 65)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1154 | return -EFAULT; |
| 1155 | } |
| 1156 | up_read(&uts_sem); |
| 1157 | |
| 1158 | return 1; |
| 1159 | } |
| 1160 | |
| 1161 | #undef DEBUG_XSTAT |
| 1162 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1163 | static int irix_xstat32_xlate(struct kstat *stat, void __user *ubuf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1164 | { |
| 1165 | struct xstat32 { |
| 1166 | u32 st_dev, st_pad1[3], st_ino, st_mode, st_nlink, st_uid, st_gid; |
| 1167 | u32 st_rdev, st_pad2[2], st_size, st_pad3; |
| 1168 | u32 st_atime0, st_atime1; |
| 1169 | u32 st_mtime0, st_mtime1; |
| 1170 | u32 st_ctime0, st_ctime1; |
| 1171 | u32 st_blksize, st_blocks; |
| 1172 | char st_fstype[16]; |
| 1173 | u32 st_pad4[8]; |
| 1174 | } ub; |
| 1175 | |
| 1176 | if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev)) |
| 1177 | return -EOVERFLOW; |
| 1178 | ub.st_dev = sysv_encode_dev(stat->dev); |
| 1179 | ub.st_ino = stat->ino; |
| 1180 | ub.st_mode = stat->mode; |
| 1181 | ub.st_nlink = stat->nlink; |
| 1182 | SET_UID(ub.st_uid, stat->uid); |
| 1183 | SET_GID(ub.st_gid, stat->gid); |
| 1184 | ub.st_rdev = sysv_encode_dev(stat->rdev); |
| 1185 | #if BITS_PER_LONG == 32 |
| 1186 | if (stat->size > MAX_NON_LFS) |
| 1187 | return -EOVERFLOW; |
| 1188 | #endif |
| 1189 | ub.st_size = stat->size; |
| 1190 | ub.st_atime0 = stat->atime.tv_sec; |
| 1191 | ub.st_atime1 = stat->atime.tv_nsec; |
| 1192 | ub.st_mtime0 = stat->mtime.tv_sec; |
| 1193 | ub.st_mtime1 = stat->atime.tv_nsec; |
| 1194 | ub.st_ctime0 = stat->ctime.tv_sec; |
| 1195 | ub.st_ctime1 = stat->atime.tv_nsec; |
| 1196 | ub.st_blksize = stat->blksize; |
| 1197 | ub.st_blocks = stat->blocks; |
| 1198 | strcpy (ub.st_fstype, "efs"); |
| 1199 | |
| 1200 | return copy_to_user(ubuf, &ub, sizeof(ub)) ? -EFAULT : 0; |
| 1201 | } |
| 1202 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1203 | static int irix_xstat64_xlate(struct kstat *stat, void __user *ubuf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1204 | { |
| 1205 | struct xstat64 { |
| 1206 | u32 st_dev; s32 st_pad1[3]; |
| 1207 | unsigned long long st_ino; |
| 1208 | u32 st_mode; |
| 1209 | u32 st_nlink; s32 st_uid; s32 st_gid; u32 st_rdev; |
| 1210 | s32 st_pad2[2]; |
| 1211 | long long st_size; |
| 1212 | s32 st_pad3; |
| 1213 | struct { s32 tv_sec, tv_nsec; } st_atime, st_mtime, st_ctime; |
| 1214 | s32 st_blksize; |
| 1215 | long long st_blocks; |
| 1216 | char st_fstype[16]; |
| 1217 | s32 st_pad4[8]; |
| 1218 | } ks; |
| 1219 | |
| 1220 | if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev)) |
| 1221 | return -EOVERFLOW; |
| 1222 | |
| 1223 | ks.st_dev = sysv_encode_dev(stat->dev); |
| 1224 | ks.st_pad1[0] = ks.st_pad1[1] = ks.st_pad1[2] = 0; |
| 1225 | ks.st_ino = (unsigned long long) stat->ino; |
| 1226 | ks.st_mode = (u32) stat->mode; |
| 1227 | ks.st_nlink = (u32) stat->nlink; |
| 1228 | ks.st_uid = (s32) stat->uid; |
| 1229 | ks.st_gid = (s32) stat->gid; |
| 1230 | ks.st_rdev = sysv_encode_dev (stat->rdev); |
| 1231 | ks.st_pad2[0] = ks.st_pad2[1] = 0; |
| 1232 | ks.st_size = (long long) stat->size; |
| 1233 | ks.st_pad3 = 0; |
| 1234 | |
| 1235 | /* XXX hackety hack... */ |
| 1236 | ks.st_atime.tv_sec = (s32) stat->atime.tv_sec; |
| 1237 | ks.st_atime.tv_nsec = stat->atime.tv_nsec; |
| 1238 | ks.st_mtime.tv_sec = (s32) stat->mtime.tv_sec; |
| 1239 | ks.st_mtime.tv_nsec = stat->mtime.tv_nsec; |
| 1240 | ks.st_ctime.tv_sec = (s32) stat->ctime.tv_sec; |
| 1241 | ks.st_ctime.tv_nsec = stat->ctime.tv_nsec; |
| 1242 | |
| 1243 | ks.st_blksize = (s32) stat->blksize; |
| 1244 | ks.st_blocks = (long long) stat->blocks; |
| 1245 | memset(ks.st_fstype, 0, 16); |
| 1246 | ks.st_pad4[0] = ks.st_pad4[1] = ks.st_pad4[2] = ks.st_pad4[3] = 0; |
| 1247 | ks.st_pad4[4] = ks.st_pad4[5] = ks.st_pad4[6] = ks.st_pad4[7] = 0; |
| 1248 | |
| 1249 | /* Now write it all back. */ |
| 1250 | return copy_to_user(ubuf, &ks, sizeof(ks)) ? -EFAULT : 0; |
| 1251 | } |
| 1252 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1253 | asmlinkage int irix_xstat(int version, char __user *filename, struct stat __user *statbuf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1254 | { |
| 1255 | int retval; |
| 1256 | struct kstat stat; |
| 1257 | |
| 1258 | #ifdef DEBUG_XSTAT |
| 1259 | printk("[%s:%d] Wheee.. irix_xstat(%d,%s,%p) ", |
| 1260 | current->comm, current->pid, version, filename, statbuf); |
| 1261 | #endif |
| 1262 | |
| 1263 | retval = vfs_stat(filename, &stat); |
| 1264 | if (!retval) { |
| 1265 | switch(version) { |
| 1266 | case 2: |
| 1267 | retval = irix_xstat32_xlate(&stat, statbuf); |
| 1268 | break; |
| 1269 | case 3: |
| 1270 | retval = irix_xstat64_xlate(&stat, statbuf); |
| 1271 | break; |
| 1272 | default: |
| 1273 | retval = -EINVAL; |
| 1274 | } |
| 1275 | } |
| 1276 | return retval; |
| 1277 | } |
| 1278 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1279 | asmlinkage int irix_lxstat(int version, char __user *filename, struct stat __user *statbuf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1280 | { |
| 1281 | int error; |
| 1282 | struct kstat stat; |
| 1283 | |
| 1284 | #ifdef DEBUG_XSTAT |
| 1285 | printk("[%s:%d] Wheee.. irix_lxstat(%d,%s,%p) ", |
| 1286 | current->comm, current->pid, version, filename, statbuf); |
| 1287 | #endif |
| 1288 | |
| 1289 | error = vfs_lstat(filename, &stat); |
| 1290 | |
| 1291 | if (!error) { |
| 1292 | switch (version) { |
| 1293 | case 2: |
| 1294 | error = irix_xstat32_xlate(&stat, statbuf); |
| 1295 | break; |
| 1296 | case 3: |
| 1297 | error = irix_xstat64_xlate(&stat, statbuf); |
| 1298 | break; |
| 1299 | default: |
| 1300 | error = -EINVAL; |
| 1301 | } |
| 1302 | } |
| 1303 | return error; |
| 1304 | } |
| 1305 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1306 | asmlinkage int irix_fxstat(int version, int fd, struct stat __user *statbuf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1307 | { |
| 1308 | int error; |
| 1309 | struct kstat stat; |
| 1310 | |
| 1311 | #ifdef DEBUG_XSTAT |
| 1312 | printk("[%s:%d] Wheee.. irix_fxstat(%d,%d,%p) ", |
| 1313 | current->comm, current->pid, version, fd, statbuf); |
| 1314 | #endif |
| 1315 | |
| 1316 | error = vfs_fstat(fd, &stat); |
| 1317 | if (!error) { |
| 1318 | switch (version) { |
| 1319 | case 2: |
| 1320 | error = irix_xstat32_xlate(&stat, statbuf); |
| 1321 | break; |
| 1322 | case 3: |
| 1323 | error = irix_xstat64_xlate(&stat, statbuf); |
| 1324 | break; |
| 1325 | default: |
| 1326 | error = -EINVAL; |
| 1327 | } |
| 1328 | } |
| 1329 | return error; |
| 1330 | } |
| 1331 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1332 | asmlinkage int irix_xmknod(int ver, char __user *filename, int mode, unsigned dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1333 | { |
| 1334 | int retval; |
| 1335 | printk("[%s:%d] Wheee.. irix_xmknod(%d,%s,%x,%x)\n", |
| 1336 | current->comm, current->pid, ver, filename, mode, dev); |
| 1337 | |
| 1338 | switch(ver) { |
| 1339 | case 2: |
| 1340 | /* shouldn't we convert here as well as on stat()? */ |
| 1341 | retval = sys_mknod(filename, mode, dev); |
| 1342 | break; |
| 1343 | |
| 1344 | default: |
| 1345 | retval = -EINVAL; |
| 1346 | break; |
| 1347 | }; |
| 1348 | |
| 1349 | return retval; |
| 1350 | } |
| 1351 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1352 | asmlinkage int irix_swapctl(int cmd, char __user *arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1353 | { |
| 1354 | printk("[%s:%d] Wheee.. irix_swapctl(%d,%p)\n", |
| 1355 | current->comm, current->pid, cmd, arg); |
| 1356 | |
| 1357 | return -EINVAL; |
| 1358 | } |
| 1359 | |
| 1360 | struct irix_statvfs { |
| 1361 | u32 f_bsize; u32 f_frsize; u32 f_blocks; |
| 1362 | u32 f_bfree; u32 f_bavail; u32 f_files; u32 f_ffree; u32 f_favail; |
| 1363 | u32 f_fsid; char f_basetype[16]; |
| 1364 | u32 f_flag; u32 f_namemax; |
| 1365 | char f_fstr[32]; u32 f_filler[16]; |
| 1366 | }; |
| 1367 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1368 | asmlinkage int irix_statvfs(char __user *fname, struct irix_statvfs __user *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1369 | { |
| 1370 | struct nameidata nd; |
| 1371 | struct kstatfs kbuf; |
| 1372 | int error, i; |
| 1373 | |
| 1374 | printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n", |
| 1375 | current->comm, current->pid, fname, buf); |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1376 | if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) |
| 1377 | return -EFAULT; |
| 1378 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1379 | error = user_path_walk(fname, &nd); |
| 1380 | if (error) |
| 1381 | goto out; |
| 1382 | error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf); |
| 1383 | if (error) |
| 1384 | goto dput_and_out; |
| 1385 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1386 | error |= __put_user(kbuf.f_bsize, &buf->f_bsize); |
| 1387 | error |= __put_user(kbuf.f_frsize, &buf->f_frsize); |
| 1388 | error |= __put_user(kbuf.f_blocks, &buf->f_blocks); |
| 1389 | error |= __put_user(kbuf.f_bfree, &buf->f_bfree); |
| 1390 | error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */ |
| 1391 | error |= __put_user(kbuf.f_files, &buf->f_files); |
| 1392 | error |= __put_user(kbuf.f_ffree, &buf->f_ffree); |
| 1393 | error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1394 | #ifdef __MIPSEB__ |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1395 | error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1396 | #else |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1397 | error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1398 | #endif |
| 1399 | for (i = 0; i < 16; i++) |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1400 | error |= __put_user(0, &buf->f_basetype[i]); |
| 1401 | error |= __put_user(0, &buf->f_flag); |
| 1402 | error |= __put_user(kbuf.f_namelen, &buf->f_namemax); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1403 | for (i = 0; i < 32; i++) |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1404 | error |= __put_user(0, &buf->f_fstr[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1405 | |
| 1406 | dput_and_out: |
| 1407 | path_release(&nd); |
| 1408 | out: |
| 1409 | return error; |
| 1410 | } |
| 1411 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1412 | asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs __user *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1413 | { |
| 1414 | struct kstatfs kbuf; |
| 1415 | struct file *file; |
| 1416 | int error, i; |
| 1417 | |
| 1418 | printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n", |
| 1419 | current->comm, current->pid, fd, buf); |
| 1420 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1421 | if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) |
| 1422 | return -EFAULT; |
| 1423 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1424 | if (!(file = fget(fd))) { |
| 1425 | error = -EBADF; |
| 1426 | goto out; |
| 1427 | } |
| 1428 | error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf); |
| 1429 | if (error) |
| 1430 | goto out_f; |
| 1431 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1432 | error = __put_user(kbuf.f_bsize, &buf->f_bsize); |
| 1433 | error |= __put_user(kbuf.f_frsize, &buf->f_frsize); |
| 1434 | error |= __put_user(kbuf.f_blocks, &buf->f_blocks); |
| 1435 | error |= __put_user(kbuf.f_bfree, &buf->f_bfree); |
| 1436 | error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */ |
| 1437 | error |= __put_user(kbuf.f_files, &buf->f_files); |
| 1438 | error |= __put_user(kbuf.f_ffree, &buf->f_ffree); |
| 1439 | error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1440 | #ifdef __MIPSEB__ |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1441 | error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1442 | #else |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1443 | error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1444 | #endif |
| 1445 | for(i = 0; i < 16; i++) |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1446 | error |= __put_user(0, &buf->f_basetype[i]); |
| 1447 | error |= __put_user(0, &buf->f_flag); |
| 1448 | error |= __put_user(kbuf.f_namelen, &buf->f_namemax); |
| 1449 | error |= __clear_user(&buf->f_fstr, sizeof(buf->f_fstr)) ? -EFAULT : 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1450 | |
| 1451 | out_f: |
| 1452 | fput(file); |
| 1453 | out: |
| 1454 | return error; |
| 1455 | } |
| 1456 | |
| 1457 | asmlinkage int irix_priocntl(struct pt_regs *regs) |
| 1458 | { |
| 1459 | printk("[%s:%d] Wheee.. irix_priocntl()\n", |
| 1460 | current->comm, current->pid); |
| 1461 | |
| 1462 | return -EINVAL; |
| 1463 | } |
| 1464 | |
| 1465 | asmlinkage int irix_sigqueue(int pid, int sig, int code, int val) |
| 1466 | { |
| 1467 | printk("[%s:%d] Wheee.. irix_sigqueue(%d,%d,%d,%d)\n", |
| 1468 | current->comm, current->pid, pid, sig, code, val); |
| 1469 | |
| 1470 | return -EINVAL; |
| 1471 | } |
| 1472 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1473 | asmlinkage int irix_truncate64(char __user *name, int pad, int size1, int size2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1474 | { |
| 1475 | int retval; |
| 1476 | |
| 1477 | if (size1) { |
| 1478 | retval = -EINVAL; |
| 1479 | goto out; |
| 1480 | } |
| 1481 | retval = sys_truncate(name, size2); |
| 1482 | |
| 1483 | out: |
| 1484 | return retval; |
| 1485 | } |
| 1486 | |
| 1487 | asmlinkage int irix_ftruncate64(int fd, int pad, int size1, int size2) |
| 1488 | { |
| 1489 | int retval; |
| 1490 | |
| 1491 | if (size1) { |
| 1492 | retval = -EINVAL; |
| 1493 | goto out; |
| 1494 | } |
| 1495 | retval = sys_ftruncate(fd, size2); |
| 1496 | |
| 1497 | out: |
| 1498 | return retval; |
| 1499 | } |
| 1500 | |
| 1501 | asmlinkage int irix_mmap64(struct pt_regs *regs) |
| 1502 | { |
| 1503 | int len, prot, flags, fd, off1, off2, error, base = 0; |
| 1504 | unsigned long addr, pgoff, *sp; |
| 1505 | struct file *file = NULL; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1506 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1507 | |
| 1508 | if (regs->regs[2] == 1000) |
| 1509 | base = 1; |
| 1510 | sp = (unsigned long *) (regs->regs[29] + 16); |
| 1511 | addr = regs->regs[base + 4]; |
| 1512 | len = regs->regs[base + 5]; |
| 1513 | prot = regs->regs[base + 6]; |
| 1514 | if (!base) { |
| 1515 | flags = regs->regs[base + 7]; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1516 | if (!access_ok(VERIFY_READ, sp, (4 * sizeof(unsigned long)))) |
| 1517 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1518 | fd = sp[0]; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1519 | err = __get_user(off1, &sp[1]); |
| 1520 | err |= __get_user(off2, &sp[2]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1521 | } else { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1522 | if (!access_ok(VERIFY_READ, sp, (5 * sizeof(unsigned long)))) |
| 1523 | return -EFAULT; |
| 1524 | err = __get_user(flags, &sp[0]); |
| 1525 | err |= __get_user(fd, &sp[1]); |
| 1526 | err |= __get_user(off1, &sp[2]); |
| 1527 | err |= __get_user(off2, &sp[3]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1528 | } |
| 1529 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1530 | if (err) |
| 1531 | return err; |
| 1532 | |
| 1533 | if (off1 & PAGE_MASK) |
| 1534 | return -EOVERFLOW; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1535 | |
| 1536 | pgoff = (off1 << (32 - PAGE_SHIFT)) | (off2 >> PAGE_SHIFT); |
| 1537 | |
| 1538 | if (!(flags & MAP_ANONYMOUS)) { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1539 | if (!(file = fget(fd))) |
| 1540 | return -EBADF; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1541 | |
| 1542 | /* Ok, bad taste hack follows, try to think in something else |
| 1543 | when reading this */ |
| 1544 | if (flags & IRIX_MAP_AUTOGROW) { |
| 1545 | unsigned long old_pos; |
| 1546 | long max_size = off2 + len; |
| 1547 | |
| 1548 | if (max_size > file->f_dentry->d_inode->i_size) { |
| 1549 | old_pos = sys_lseek (fd, max_size - 1, 0); |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1550 | sys_write (fd, (void __user *) "", 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1551 | sys_lseek (fd, old_pos, 0); |
| 1552 | } |
| 1553 | } |
| 1554 | } |
| 1555 | |
| 1556 | flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); |
| 1557 | |
| 1558 | down_write(¤t->mm->mmap_sem); |
| 1559 | error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); |
| 1560 | up_write(¤t->mm->mmap_sem); |
| 1561 | |
| 1562 | if (file) |
| 1563 | fput(file); |
| 1564 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1565 | return error; |
| 1566 | } |
| 1567 | |
| 1568 | asmlinkage int irix_dmi(struct pt_regs *regs) |
| 1569 | { |
| 1570 | printk("[%s:%d] Wheee.. irix_dmi()\n", |
| 1571 | current->comm, current->pid); |
| 1572 | |
| 1573 | return -EINVAL; |
| 1574 | } |
| 1575 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1576 | asmlinkage int irix_pread(int fd, char __user *buf, int cnt, int off64, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1577 | int off1, int off2) |
| 1578 | { |
| 1579 | printk("[%s:%d] Wheee.. irix_pread(%d,%p,%d,%d,%d,%d)\n", |
| 1580 | current->comm, current->pid, fd, buf, cnt, off64, off1, off2); |
| 1581 | |
| 1582 | return -EINVAL; |
| 1583 | } |
| 1584 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1585 | asmlinkage int irix_pwrite(int fd, char __user *buf, int cnt, int off64, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1586 | int off1, int off2) |
| 1587 | { |
| 1588 | printk("[%s:%d] Wheee.. irix_pwrite(%d,%p,%d,%d,%d,%d)\n", |
| 1589 | current->comm, current->pid, fd, buf, cnt, off64, off1, off2); |
| 1590 | |
| 1591 | return -EINVAL; |
| 1592 | } |
| 1593 | |
| 1594 | asmlinkage int irix_sgifastpath(int cmd, unsigned long arg0, unsigned long arg1, |
| 1595 | unsigned long arg2, unsigned long arg3, |
| 1596 | unsigned long arg4, unsigned long arg5) |
| 1597 | { |
| 1598 | printk("[%s:%d] Wheee.. irix_fastpath(%d,%08lx,%08lx,%08lx,%08lx," |
| 1599 | "%08lx,%08lx)\n", |
| 1600 | current->comm, current->pid, cmd, arg0, arg1, arg2, |
| 1601 | arg3, arg4, arg5); |
| 1602 | |
| 1603 | return -EINVAL; |
| 1604 | } |
| 1605 | |
| 1606 | struct irix_statvfs64 { |
| 1607 | u32 f_bsize; u32 f_frsize; |
| 1608 | u64 f_blocks; u64 f_bfree; u64 f_bavail; |
| 1609 | u64 f_files; u64 f_ffree; u64 f_favail; |
| 1610 | u32 f_fsid; |
| 1611 | char f_basetype[16]; |
| 1612 | u32 f_flag; u32 f_namemax; |
| 1613 | char f_fstr[32]; |
| 1614 | u32 f_filler[16]; |
| 1615 | }; |
| 1616 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1617 | asmlinkage int irix_statvfs64(char __user *fname, struct irix_statvfs64 __user *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1618 | { |
| 1619 | struct nameidata nd; |
| 1620 | struct kstatfs kbuf; |
| 1621 | int error, i; |
| 1622 | |
| 1623 | printk("[%s:%d] Wheee.. irix_statvfs64(%s,%p)\n", |
| 1624 | current->comm, current->pid, fname, buf); |
| 1625 | if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs64))) { |
| 1626 | error = -EFAULT; |
| 1627 | goto out; |
| 1628 | } |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1629 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1630 | error = user_path_walk(fname, &nd); |
| 1631 | if (error) |
| 1632 | goto out; |
| 1633 | error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf); |
| 1634 | if (error) |
| 1635 | goto dput_and_out; |
| 1636 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1637 | error = __put_user(kbuf.f_bsize, &buf->f_bsize); |
| 1638 | error |= __put_user(kbuf.f_frsize, &buf->f_frsize); |
| 1639 | error |= __put_user(kbuf.f_blocks, &buf->f_blocks); |
| 1640 | error |= __put_user(kbuf.f_bfree, &buf->f_bfree); |
| 1641 | error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */ |
| 1642 | error |= __put_user(kbuf.f_files, &buf->f_files); |
| 1643 | error |= __put_user(kbuf.f_ffree, &buf->f_ffree); |
| 1644 | error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1645 | #ifdef __MIPSEB__ |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1646 | error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1647 | #else |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1648 | error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1649 | #endif |
| 1650 | for(i = 0; i < 16; i++) |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1651 | error |= __put_user(0, &buf->f_basetype[i]); |
| 1652 | error |= __put_user(0, &buf->f_flag); |
| 1653 | error |= __put_user(kbuf.f_namelen, &buf->f_namemax); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1654 | for(i = 0; i < 32; i++) |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1655 | error |= __put_user(0, &buf->f_fstr[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1656 | |
| 1657 | dput_and_out: |
| 1658 | path_release(&nd); |
| 1659 | out: |
| 1660 | return error; |
| 1661 | } |
| 1662 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1663 | asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs __user *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1664 | { |
| 1665 | struct kstatfs kbuf; |
| 1666 | struct file *file; |
| 1667 | int error, i; |
| 1668 | |
| 1669 | printk("[%s:%d] Wheee.. irix_fstatvfs64(%d,%p)\n", |
| 1670 | current->comm, current->pid, fd, buf); |
| 1671 | |
| 1672 | if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) { |
| 1673 | error = -EFAULT; |
| 1674 | goto out; |
| 1675 | } |
| 1676 | if (!(file = fget(fd))) { |
| 1677 | error = -EBADF; |
| 1678 | goto out; |
| 1679 | } |
| 1680 | error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf); |
| 1681 | if (error) |
| 1682 | goto out_f; |
| 1683 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1684 | error = __put_user(kbuf.f_bsize, &buf->f_bsize); |
| 1685 | error |= __put_user(kbuf.f_frsize, &buf->f_frsize); |
| 1686 | error |= __put_user(kbuf.f_blocks, &buf->f_blocks); |
| 1687 | error |= __put_user(kbuf.f_bfree, &buf->f_bfree); |
| 1688 | error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */ |
| 1689 | error |= __put_user(kbuf.f_files, &buf->f_files); |
| 1690 | error |= __put_user(kbuf.f_ffree, &buf->f_ffree); |
| 1691 | error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1692 | #ifdef __MIPSEB__ |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1693 | error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1694 | #else |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1695 | error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1696 | #endif |
| 1697 | for(i = 0; i < 16; i++) |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1698 | error |= __put_user(0, &buf->f_basetype[i]); |
| 1699 | error |= __put_user(0, &buf->f_flag); |
| 1700 | error |= __put_user(kbuf.f_namelen, &buf->f_namemax); |
| 1701 | error |= __clear_user(buf->f_fstr, sizeof(buf->f_fstr[i])) ? -EFAULT : 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1702 | |
| 1703 | out_f: |
| 1704 | fput(file); |
| 1705 | out: |
| 1706 | return error; |
| 1707 | } |
| 1708 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1709 | asmlinkage int irix_getmountid(char __user *fname, unsigned long __user *midbuf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1710 | { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1711 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1712 | |
| 1713 | printk("[%s:%d] irix_getmountid(%s, %p)\n", |
| 1714 | current->comm, current->pid, fname, midbuf); |
| 1715 | if (!access_ok(VERIFY_WRITE, midbuf, (sizeof(unsigned long) * 4))) |
| 1716 | return -EFAULT; |
| 1717 | |
| 1718 | /* |
| 1719 | * The idea with this system call is that when trying to determine |
| 1720 | * 'pwd' and it's a toss-up for some reason, userland can use the |
| 1721 | * fsid of the filesystem to try and make the right decision, but |
| 1722 | * we don't have this so for now. XXX |
| 1723 | */ |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1724 | err = __put_user(0, &midbuf[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1725 | err |= __put_user(0, &midbuf[1]); |
| 1726 | err |= __put_user(0, &midbuf[2]); |
| 1727 | err |= __put_user(0, &midbuf[3]); |
| 1728 | |
| 1729 | return err; |
| 1730 | } |
| 1731 | |
| 1732 | asmlinkage int irix_nsproc(unsigned long entry, unsigned long mask, |
| 1733 | unsigned long arg, unsigned long sp, int slen) |
| 1734 | { |
| 1735 | printk("[%s:%d] Wheee.. irix_nsproc(%08lx,%08lx,%08lx,%08lx,%d)\n", |
| 1736 | current->comm, current->pid, entry, mask, arg, sp, slen); |
| 1737 | |
| 1738 | return -EINVAL; |
| 1739 | } |
| 1740 | |
| 1741 | #undef DEBUG_GETDENTS |
| 1742 | |
| 1743 | struct irix_dirent32 { |
| 1744 | u32 d_ino; |
| 1745 | u32 d_off; |
| 1746 | unsigned short d_reclen; |
| 1747 | char d_name[1]; |
| 1748 | }; |
| 1749 | |
| 1750 | struct irix_dirent32_callback { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1751 | struct irix_dirent32 __user *current_dir; |
| 1752 | struct irix_dirent32 __user *previous; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1753 | int count; |
| 1754 | int error; |
| 1755 | }; |
| 1756 | |
| 1757 | #define NAME_OFFSET32(de) ((int) ((de)->d_name - (char *) (de))) |
| 1758 | #define ROUND_UP32(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1)) |
| 1759 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1760 | static int irix_filldir32(void *__buf, const char *name, |
| 1761 | int namlen, loff_t offset, ino_t ino, unsigned int d_type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1762 | { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1763 | struct irix_dirent32 __user *dirent; |
| 1764 | struct irix_dirent32_callback *buf = __buf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1765 | unsigned short reclen = ROUND_UP32(NAME_OFFSET32(dirent) + namlen + 1); |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1766 | int err = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1767 | |
| 1768 | #ifdef DEBUG_GETDENTS |
| 1769 | printk("\nirix_filldir32[reclen<%d>namlen<%d>count<%d>]", |
| 1770 | reclen, namlen, buf->count); |
| 1771 | #endif |
| 1772 | buf->error = -EINVAL; /* only used if we fail.. */ |
| 1773 | if (reclen > buf->count) |
| 1774 | return -EINVAL; |
| 1775 | dirent = buf->previous; |
| 1776 | if (dirent) |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1777 | err = __put_user(offset, &dirent->d_off); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1778 | dirent = buf->current_dir; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1779 | err |= __put_user(dirent, &buf->previous); |
| 1780 | err |= __put_user(ino, &dirent->d_ino); |
| 1781 | err |= __put_user(reclen, &dirent->d_reclen); |
| 1782 | err |= copy_to_user((char __user *)dirent->d_name, name, namlen) ? -EFAULT : 0; |
| 1783 | err |= __put_user(0, &dirent->d_name[namlen]); |
| 1784 | dirent = (struct irix_dirent32 __user *) ((char __user *) dirent + reclen); |
| 1785 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1786 | buf->current_dir = dirent; |
| 1787 | buf->count -= reclen; |
| 1788 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1789 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1790 | } |
| 1791 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1792 | asmlinkage int irix_ngetdents(unsigned int fd, void __user * dirent, |
| 1793 | unsigned int count, int __user *eob) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1794 | { |
| 1795 | struct file *file; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1796 | struct irix_dirent32 __user *lastdirent; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1797 | struct irix_dirent32_callback buf; |
| 1798 | int error; |
| 1799 | |
| 1800 | #ifdef DEBUG_GETDENTS |
| 1801 | printk("[%s:%d] ngetdents(%d, %p, %d, %p) ", current->comm, |
| 1802 | current->pid, fd, dirent, count, eob); |
| 1803 | #endif |
| 1804 | error = -EBADF; |
| 1805 | file = fget(fd); |
| 1806 | if (!file) |
| 1807 | goto out; |
| 1808 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1809 | buf.current_dir = (struct irix_dirent32 __user *) dirent; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1810 | buf.previous = NULL; |
| 1811 | buf.count = count; |
| 1812 | buf.error = 0; |
| 1813 | |
| 1814 | error = vfs_readdir(file, irix_filldir32, &buf); |
| 1815 | if (error < 0) |
| 1816 | goto out_putf; |
| 1817 | |
| 1818 | error = buf.error; |
| 1819 | lastdirent = buf.previous; |
| 1820 | if (lastdirent) { |
| 1821 | put_user(file->f_pos, &lastdirent->d_off); |
| 1822 | error = count - buf.count; |
| 1823 | } |
| 1824 | |
| 1825 | if (put_user(0, eob) < 0) { |
| 1826 | error = -EFAULT; |
| 1827 | goto out_putf; |
| 1828 | } |
| 1829 | |
| 1830 | #ifdef DEBUG_GETDENTS |
| 1831 | printk("eob=%d returning %d\n", *eob, count - buf.count); |
| 1832 | #endif |
| 1833 | error = count - buf.count; |
| 1834 | |
| 1835 | out_putf: |
| 1836 | fput(file); |
| 1837 | out: |
| 1838 | return error; |
| 1839 | } |
| 1840 | |
| 1841 | struct irix_dirent64 { |
| 1842 | u64 d_ino; |
| 1843 | u64 d_off; |
| 1844 | unsigned short d_reclen; |
| 1845 | char d_name[1]; |
| 1846 | }; |
| 1847 | |
| 1848 | struct irix_dirent64_callback { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1849 | struct irix_dirent64 __user *curr; |
| 1850 | struct irix_dirent64 __user *previous; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1851 | int count; |
| 1852 | int error; |
| 1853 | }; |
| 1854 | |
| 1855 | #define NAME_OFFSET64(de) ((int) ((de)->d_name - (char *) (de))) |
| 1856 | #define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1)) |
| 1857 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1858 | static int irix_filldir64(void *__buf, const char *name, |
| 1859 | int namlen, loff_t offset, ino_t ino, unsigned int d_type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1860 | { |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1861 | struct irix_dirent64 __user *dirent; |
| 1862 | struct irix_dirent64_callback * buf = __buf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1863 | unsigned short reclen = ROUND_UP64(NAME_OFFSET64(dirent) + namlen + 1); |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1864 | int err = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1865 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1866 | if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf))) |
| 1867 | return -EFAULT; |
| 1868 | |
| 1869 | if (__put_user(-EINVAL, &buf->error)) /* only used if we fail.. */ |
| 1870 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1871 | if (reclen > buf->count) |
| 1872 | return -EINVAL; |
| 1873 | dirent = buf->previous; |
| 1874 | if (dirent) |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1875 | err = __put_user(offset, &dirent->d_off); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1876 | dirent = buf->curr; |
| 1877 | buf->previous = dirent; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1878 | err |= __put_user(ino, &dirent->d_ino); |
| 1879 | err |= __put_user(reclen, &dirent->d_reclen); |
| 1880 | err |= __copy_to_user((char __user *)dirent->d_name, name, namlen) |
| 1881 | ? -EFAULT : 0; |
| 1882 | err |= __put_user(0, &dirent->d_name[namlen]); |
| 1883 | |
| 1884 | dirent = (struct irix_dirent64 __user *) ((char __user *) dirent + reclen); |
| 1885 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1886 | buf->curr = dirent; |
| 1887 | buf->count -= reclen; |
| 1888 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1889 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1890 | } |
| 1891 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1892 | asmlinkage int irix_getdents64(int fd, void __user *dirent, int cnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1893 | { |
| 1894 | struct file *file; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1895 | struct irix_dirent64 __user *lastdirent; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1896 | struct irix_dirent64_callback buf; |
| 1897 | int error; |
| 1898 | |
| 1899 | #ifdef DEBUG_GETDENTS |
| 1900 | printk("[%s:%d] getdents64(%d, %p, %d) ", current->comm, |
| 1901 | current->pid, fd, dirent, cnt); |
| 1902 | #endif |
| 1903 | error = -EBADF; |
| 1904 | if (!(file = fget(fd))) |
| 1905 | goto out; |
| 1906 | |
| 1907 | error = -EFAULT; |
| 1908 | if (!access_ok(VERIFY_WRITE, dirent, cnt)) |
| 1909 | goto out_f; |
| 1910 | |
| 1911 | error = -EINVAL; |
| 1912 | if (cnt < (sizeof(struct irix_dirent64) + 255)) |
| 1913 | goto out_f; |
| 1914 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1915 | buf.curr = (struct irix_dirent64 __user *) dirent; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1916 | buf.previous = NULL; |
| 1917 | buf.count = cnt; |
| 1918 | buf.error = 0; |
| 1919 | error = vfs_readdir(file, irix_filldir64, &buf); |
| 1920 | if (error < 0) |
| 1921 | goto out_f; |
| 1922 | lastdirent = buf.previous; |
| 1923 | if (!lastdirent) { |
| 1924 | error = buf.error; |
| 1925 | goto out_f; |
| 1926 | } |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1927 | if (put_user(file->f_pos, &lastdirent->d_off)) |
| 1928 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1929 | #ifdef DEBUG_GETDENTS |
| 1930 | printk("returning %d\n", cnt - buf.count); |
| 1931 | #endif |
| 1932 | error = cnt - buf.count; |
| 1933 | |
| 1934 | out_f: |
| 1935 | fput(file); |
| 1936 | out: |
| 1937 | return error; |
| 1938 | } |
| 1939 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1940 | asmlinkage int irix_ngetdents64(int fd, void __user *dirent, int cnt, int *eob) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1941 | { |
| 1942 | struct file *file; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1943 | struct irix_dirent64 __user *lastdirent; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1944 | struct irix_dirent64_callback buf; |
| 1945 | int error; |
| 1946 | |
| 1947 | #ifdef DEBUG_GETDENTS |
| 1948 | printk("[%s:%d] ngetdents64(%d, %p, %d) ", current->comm, |
| 1949 | current->pid, fd, dirent, cnt); |
| 1950 | #endif |
| 1951 | error = -EBADF; |
| 1952 | if (!(file = fget(fd))) |
| 1953 | goto out; |
| 1954 | |
| 1955 | error = -EFAULT; |
| 1956 | if (!access_ok(VERIFY_WRITE, dirent, cnt) || |
| 1957 | !access_ok(VERIFY_WRITE, eob, sizeof(*eob))) |
| 1958 | goto out_f; |
| 1959 | |
| 1960 | error = -EINVAL; |
| 1961 | if (cnt < (sizeof(struct irix_dirent64) + 255)) |
| 1962 | goto out_f; |
| 1963 | |
| 1964 | *eob = 0; |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1965 | buf.curr = (struct irix_dirent64 __user *) dirent; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1966 | buf.previous = NULL; |
| 1967 | buf.count = cnt; |
| 1968 | buf.error = 0; |
| 1969 | error = vfs_readdir(file, irix_filldir64, &buf); |
| 1970 | if (error < 0) |
| 1971 | goto out_f; |
| 1972 | lastdirent = buf.previous; |
| 1973 | if (!lastdirent) { |
| 1974 | error = buf.error; |
| 1975 | goto out_f; |
| 1976 | } |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 1977 | if (put_user(file->f_pos, &lastdirent->d_off)) |
| 1978 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1979 | #ifdef DEBUG_GETDENTS |
| 1980 | printk("eob=%d returning %d\n", *eob, cnt - buf.count); |
| 1981 | #endif |
| 1982 | error = cnt - buf.count; |
| 1983 | |
| 1984 | out_f: |
| 1985 | fput(file); |
| 1986 | out: |
| 1987 | return error; |
| 1988 | } |
| 1989 | |
| 1990 | asmlinkage int irix_uadmin(unsigned long op, unsigned long func, unsigned long arg) |
| 1991 | { |
| 1992 | int retval; |
| 1993 | |
| 1994 | switch (op) { |
| 1995 | case 1: |
| 1996 | /* Reboot */ |
| 1997 | printk("[%s:%d] irix_uadmin: Wants to reboot...\n", |
| 1998 | current->comm, current->pid); |
| 1999 | retval = -EINVAL; |
| 2000 | goto out; |
| 2001 | |
| 2002 | case 2: |
| 2003 | /* Shutdown */ |
| 2004 | printk("[%s:%d] irix_uadmin: Wants to shutdown...\n", |
| 2005 | current->comm, current->pid); |
| 2006 | retval = -EINVAL; |
| 2007 | goto out; |
| 2008 | |
| 2009 | case 4: |
| 2010 | /* Remount-root */ |
| 2011 | printk("[%s:%d] irix_uadmin: Wants to remount root...\n", |
| 2012 | current->comm, current->pid); |
| 2013 | retval = -EINVAL; |
| 2014 | goto out; |
| 2015 | |
| 2016 | case 8: |
| 2017 | /* Kill all tasks. */ |
| 2018 | printk("[%s:%d] irix_uadmin: Wants to kill all tasks...\n", |
| 2019 | current->comm, current->pid); |
| 2020 | retval = -EINVAL; |
| 2021 | goto out; |
| 2022 | |
| 2023 | case 256: |
| 2024 | /* Set magic mushrooms... */ |
| 2025 | printk("[%s:%d] irix_uadmin: Wants to set magic mushroom[%d]...\n", |
| 2026 | current->comm, current->pid, (int) func); |
| 2027 | retval = -EINVAL; |
| 2028 | goto out; |
| 2029 | |
| 2030 | default: |
| 2031 | printk("[%s:%d] irix_uadmin: Unknown operation [%d]...\n", |
| 2032 | current->comm, current->pid, (int) op); |
| 2033 | retval = -EINVAL; |
| 2034 | goto out; |
| 2035 | }; |
| 2036 | |
| 2037 | out: |
| 2038 | return retval; |
| 2039 | } |
| 2040 | |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 2041 | asmlinkage int irix_utssys(char __user *inbuf, int arg, int type, char __user *outbuf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2042 | { |
| 2043 | int retval; |
| 2044 | |
| 2045 | switch(type) { |
| 2046 | case 0: |
| 2047 | /* uname() */ |
Ralf Baechle | fe00f94 | 2005-03-01 19:22:29 +0000 | [diff] [blame] | 2048 | retval = irix_uname((struct iuname __user *)inbuf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2049 | goto out; |
| 2050 | |
| 2051 | case 2: |
| 2052 | /* ustat() */ |
| 2053 | printk("[%s:%d] irix_utssys: Wants to do ustat()\n", |
| 2054 | current->comm, current->pid); |
| 2055 | retval = -EINVAL; |
| 2056 | goto out; |
| 2057 | |
| 2058 | case 3: |
| 2059 | /* fusers() */ |
| 2060 | printk("[%s:%d] irix_utssys: Wants to do fusers()\n", |
| 2061 | current->comm, current->pid); |
| 2062 | retval = -EINVAL; |
| 2063 | goto out; |
| 2064 | |
| 2065 | default: |
| 2066 | printk("[%s:%d] irix_utssys: Wants to do unknown type[%d]\n", |
| 2067 | current->comm, current->pid, (int) type); |
| 2068 | retval = -EINVAL; |
| 2069 | goto out; |
| 2070 | } |
| 2071 | |
| 2072 | out: |
| 2073 | return retval; |
| 2074 | } |
| 2075 | |
| 2076 | #undef DEBUG_FCNTL |
| 2077 | |
| 2078 | #define IRIX_F_ALLOCSP 10 |
| 2079 | |
| 2080 | asmlinkage int irix_fcntl(int fd, int cmd, int arg) |
| 2081 | { |
| 2082 | int retval; |
| 2083 | |
| 2084 | #ifdef DEBUG_FCNTL |
| 2085 | printk("[%s:%d] irix_fcntl(%d, %d, %d) ", current->comm, |
| 2086 | current->pid, fd, cmd, arg); |
| 2087 | #endif |
| 2088 | if (cmd == IRIX_F_ALLOCSP){ |
| 2089 | return 0; |
| 2090 | } |
| 2091 | retval = sys_fcntl(fd, cmd, arg); |
| 2092 | #ifdef DEBUG_FCNTL |
| 2093 | printk("%d\n", retval); |
| 2094 | #endif |
| 2095 | return retval; |
| 2096 | } |
| 2097 | |
| 2098 | asmlinkage int irix_ulimit(int cmd, int arg) |
| 2099 | { |
| 2100 | int retval; |
| 2101 | |
| 2102 | switch(cmd) { |
| 2103 | case 1: |
| 2104 | printk("[%s:%d] irix_ulimit: Wants to get file size limit.\n", |
| 2105 | current->comm, current->pid); |
| 2106 | retval = -EINVAL; |
| 2107 | goto out; |
| 2108 | |
| 2109 | case 2: |
| 2110 | printk("[%s:%d] irix_ulimit: Wants to set file size limit.\n", |
| 2111 | current->comm, current->pid); |
| 2112 | retval = -EINVAL; |
| 2113 | goto out; |
| 2114 | |
| 2115 | case 3: |
| 2116 | printk("[%s:%d] irix_ulimit: Wants to get brk limit.\n", |
| 2117 | current->comm, current->pid); |
| 2118 | retval = -EINVAL; |
| 2119 | goto out; |
| 2120 | |
| 2121 | case 4: |
| 2122 | #if 0 |
| 2123 | printk("[%s:%d] irix_ulimit: Wants to get fd limit.\n", |
| 2124 | current->comm, current->pid); |
| 2125 | retval = -EINVAL; |
| 2126 | goto out; |
| 2127 | #endif |
| 2128 | retval = current->signal->rlim[RLIMIT_NOFILE].rlim_cur; |
| 2129 | goto out; |
| 2130 | |
| 2131 | case 5: |
| 2132 | printk("[%s:%d] irix_ulimit: Wants to get txt offset.\n", |
| 2133 | current->comm, current->pid); |
| 2134 | retval = -EINVAL; |
| 2135 | goto out; |
| 2136 | |
| 2137 | default: |
| 2138 | printk("[%s:%d] irix_ulimit: Unknown command [%d].\n", |
| 2139 | current->comm, current->pid, cmd); |
| 2140 | retval = -EINVAL; |
| 2141 | goto out; |
| 2142 | } |
| 2143 | out: |
| 2144 | return retval; |
| 2145 | } |
| 2146 | |
| 2147 | asmlinkage int irix_unimp(struct pt_regs *regs) |
| 2148 | { |
| 2149 | printk("irix_unimp [%s:%d] v0=%d v1=%d a0=%08lx a1=%08lx a2=%08lx " |
| 2150 | "a3=%08lx\n", current->comm, current->pid, |
| 2151 | (int) regs->regs[2], (int) regs->regs[3], |
| 2152 | regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]); |
| 2153 | |
| 2154 | return -ENOSYS; |
| 2155 | } |