diff options
Diffstat (limited to 'arch/mips/kernel/sysirix.c')
-rw-r--r-- | arch/mips/kernel/sysirix.c | 2140 |
1 files changed, 0 insertions, 2140 deletions
diff --git a/arch/mips/kernel/sysirix.c b/arch/mips/kernel/sysirix.c deleted file mode 100644 index c357762b8012..000000000000 --- a/arch/mips/kernel/sysirix.c +++ /dev/null | |||
@@ -1,2140 +0,0 @@ | |||
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/capability.h> | ||
12 | #include <linux/highuid.h> | ||
13 | #include <linux/pagemap.h> | ||
14 | #include <linux/mm.h> | ||
15 | #include <linux/mman.h> | ||
16 | #include <linux/slab.h> | ||
17 | #include <linux/swap.h> | ||
18 | #include <linux/errno.h> | ||
19 | #include <linux/time.h> | ||
20 | #include <linux/timex.h> | ||
21 | #include <linux/times.h> | ||
22 | #include <linux/elf.h> | ||
23 | #include <linux/msg.h> | ||
24 | #include <linux/shm.h> | ||
25 | #include <linux/smp.h> | ||
26 | #include <linux/smp_lock.h> | ||
27 | #include <linux/utsname.h> | ||
28 | #include <linux/file.h> | ||
29 | #include <linux/vfs.h> | ||
30 | #include <linux/namei.h> | ||
31 | #include <linux/socket.h> | ||
32 | #include <linux/security.h> | ||
33 | #include <linux/syscalls.h> | ||
34 | #include <linux/resource.h> | ||
35 | |||
36 | #include <asm/ptrace.h> | ||
37 | #include <asm/page.h> | ||
38 | #include <asm/uaccess.h> | ||
39 | #include <asm/inventory.h> | ||
40 | |||
41 | /* 2,191 lines of complete and utter shit coming up... */ | ||
42 | |||
43 | extern int max_threads; | ||
44 | |||
45 | /* The sysmp commands supported thus far. */ | ||
46 | #define MP_NPROCS 1 /* # processor in complex */ | ||
47 | #define MP_NAPROCS 2 /* # active processors in complex */ | ||
48 | #define MP_PGSIZE 14 /* Return system page size in v1. */ | ||
49 | |||
50 | asmlinkage int irix_sysmp(struct pt_regs *regs) | ||
51 | { | ||
52 | unsigned long cmd; | ||
53 | int base = 0; | ||
54 | int error = 0; | ||
55 | |||
56 | if(regs->regs[2] == 1000) | ||
57 | base = 1; | ||
58 | cmd = regs->regs[base + 4]; | ||
59 | switch(cmd) { | ||
60 | case MP_PGSIZE: | ||
61 | error = PAGE_SIZE; | ||
62 | break; | ||
63 | case MP_NPROCS: | ||
64 | case MP_NAPROCS: | ||
65 | error = num_online_cpus(); | ||
66 | break; | ||
67 | default: | ||
68 | printk("SYSMP[%s:%d]: Unsupported opcode %d\n", | ||
69 | current->comm, current->pid, (int)cmd); | ||
70 | error = -EINVAL; | ||
71 | break; | ||
72 | } | ||
73 | |||
74 | return error; | ||
75 | } | ||
76 | |||
77 | /* The prctl commands. */ | ||
78 | #define PR_MAXPROCS 1 /* Tasks/user. */ | ||
79 | #define PR_ISBLOCKED 2 /* If blocked, return 1. */ | ||
80 | #define PR_SETSTACKSIZE 3 /* Set largest task stack size. */ | ||
81 | #define PR_GETSTACKSIZE 4 /* Get largest task stack size. */ | ||
82 | #define PR_MAXPPROCS 5 /* Num parallel tasks. */ | ||
83 | #define PR_UNBLKONEXEC 6 /* When task exec/exit's, unblock. */ | ||
84 | #define PR_SETEXITSIG 8 /* When task exit's, set signal. */ | ||
85 | #define PR_RESIDENT 9 /* Make task unswappable. */ | ||
86 | #define PR_ATTACHADDR 10 /* (Re-)Connect a vma to a task. */ | ||
87 | #define PR_DETACHADDR 11 /* Disconnect a vma from a task. */ | ||
88 | #define PR_TERMCHILD 12 /* Kill child if the parent dies. */ | ||
89 | #define PR_GETSHMASK 13 /* Get the sproc() share mask. */ | ||
90 | #define PR_GETNSHARE 14 /* Number of share group members. */ | ||
91 | #define PR_COREPID 15 /* Add task pid to name when it core. */ | ||
92 | #define PR_ATTACHADDRPERM 16 /* (Re-)Connect vma, with specified prot. */ | ||
93 | #define PR_PTHREADEXIT 17 /* Kill a pthread, only for IRIX 6.[234] */ | ||
94 | |||
95 | asmlinkage int irix_prctl(unsigned option, ...) | ||
96 | { | ||
97 | va_list args; | ||
98 | int error = 0; | ||
99 | |||
100 | va_start(args, option); | ||
101 | switch (option) { | ||
102 | case PR_MAXPROCS: | ||
103 | printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n", | ||
104 | current->comm, current->pid); | ||
105 | error = max_threads; | ||
106 | break; | ||
107 | |||
108 | case PR_ISBLOCKED: { | ||
109 | struct task_struct *task; | ||
110 | |||
111 | printk("irix_prctl[%s:%d]: Wants PR_ISBLOCKED\n", | ||
112 | current->comm, current->pid); | ||
113 | read_lock(&tasklist_lock); | ||
114 | task = find_task_by_vpid(va_arg(args, pid_t)); | ||
115 | error = -ESRCH; | ||
116 | if (error) | ||
117 | error = (task->run_list.next != NULL); | ||
118 | read_unlock(&tasklist_lock); | ||
119 | /* Can _your_ OS find this out that fast? */ | ||
120 | break; | ||
121 | } | ||
122 | |||
123 | case PR_SETSTACKSIZE: { | ||
124 | long value = va_arg(args, long); | ||
125 | |||
126 | printk("irix_prctl[%s:%d]: Wants PR_SETSTACKSIZE<%08lx>\n", | ||
127 | current->comm, current->pid, (unsigned long) value); | ||
128 | if (value > RLIM_INFINITY) | ||
129 | value = RLIM_INFINITY; | ||
130 | if (capable(CAP_SYS_ADMIN)) { | ||
131 | task_lock(current->group_leader); | ||
132 | current->signal->rlim[RLIMIT_STACK].rlim_max = | ||
133 | current->signal->rlim[RLIMIT_STACK].rlim_cur = value; | ||
134 | task_unlock(current->group_leader); | ||
135 | error = value; | ||
136 | break; | ||
137 | } | ||
138 | task_lock(current->group_leader); | ||
139 | if (value > current->signal->rlim[RLIMIT_STACK].rlim_max) { | ||
140 | error = -EINVAL; | ||
141 | task_unlock(current->group_leader); | ||
142 | break; | ||
143 | } | ||
144 | current->signal->rlim[RLIMIT_STACK].rlim_cur = value; | ||
145 | task_unlock(current->group_leader); | ||
146 | error = value; | ||
147 | break; | ||
148 | } | ||
149 | |||
150 | case PR_GETSTACKSIZE: | ||
151 | printk("irix_prctl[%s:%d]: Wants PR_GETSTACKSIZE\n", | ||
152 | current->comm, current->pid); | ||
153 | error = current->signal->rlim[RLIMIT_STACK].rlim_cur; | ||
154 | break; | ||
155 | |||
156 | case PR_MAXPPROCS: | ||
157 | printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n", | ||
158 | current->comm, current->pid); | ||
159 | error = 1; | ||
160 | break; | ||
161 | |||
162 | case PR_UNBLKONEXEC: | ||
163 | printk("irix_prctl[%s:%d]: Wants PR_UNBLKONEXEC\n", | ||
164 | current->comm, current->pid); | ||
165 | error = -EINVAL; | ||
166 | break; | ||
167 | |||
168 | case PR_SETEXITSIG: | ||
169 | printk("irix_prctl[%s:%d]: Wants PR_SETEXITSIG\n", | ||
170 | current->comm, current->pid); | ||
171 | |||
172 | /* We can probably play some game where we set the task | ||
173 | * exit_code to some non-zero value when this is requested, | ||
174 | * and check whether exit_code is already set in do_exit(). | ||
175 | */ | ||
176 | error = -EINVAL; | ||
177 | break; | ||
178 | |||
179 | case PR_RESIDENT: | ||
180 | printk("irix_prctl[%s:%d]: Wants PR_RESIDENT\n", | ||
181 | current->comm, current->pid); | ||
182 | error = 0; /* Compatibility indeed. */ | ||
183 | break; | ||
184 | |||
185 | case PR_ATTACHADDR: | ||
186 | printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDR\n", | ||
187 | current->comm, current->pid); | ||
188 | error = -EINVAL; | ||
189 | break; | ||
190 | |||
191 | case PR_DETACHADDR: | ||
192 | printk("irix_prctl[%s:%d]: Wants PR_DETACHADDR\n", | ||
193 | current->comm, current->pid); | ||
194 | error = -EINVAL; | ||
195 | break; | ||
196 | |||
197 | case PR_TERMCHILD: | ||
198 | printk("irix_prctl[%s:%d]: Wants PR_TERMCHILD\n", | ||
199 | current->comm, current->pid); | ||
200 | error = -EINVAL; | ||
201 | break; | ||
202 | |||
203 | case PR_GETSHMASK: | ||
204 | printk("irix_prctl[%s:%d]: Wants PR_GETSHMASK\n", | ||
205 | current->comm, current->pid); | ||
206 | error = -EINVAL; /* Until I have the sproc() stuff in. */ | ||
207 | break; | ||
208 | |||
209 | case PR_GETNSHARE: | ||
210 | error = 0; /* Until I have the sproc() stuff in. */ | ||
211 | break; | ||
212 | |||
213 | case PR_COREPID: | ||
214 | printk("irix_prctl[%s:%d]: Wants PR_COREPID\n", | ||
215 | current->comm, current->pid); | ||
216 | error = -EINVAL; | ||
217 | break; | ||
218 | |||
219 | case PR_ATTACHADDRPERM: | ||
220 | printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDRPERM\n", | ||
221 | current->comm, current->pid); | ||
222 | error = -EINVAL; | ||
223 | break; | ||
224 | |||
225 | default: | ||
226 | printk("irix_prctl[%s:%d]: Non-existant opcode %d\n", | ||
227 | current->comm, current->pid, option); | ||
228 | error = -EINVAL; | ||
229 | break; | ||
230 | } | ||
231 | va_end(args); | ||
232 | |||
233 | return error; | ||
234 | } | ||
235 | |||
236 | #undef DEBUG_PROCGRPS | ||
237 | |||
238 | extern unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt); | ||
239 | extern char *prom_getenv(char *name); | ||
240 | extern long prom_setenv(char *name, char *value); | ||
241 | |||
242 | /* The syssgi commands supported thus far. */ | ||
243 | #define SGI_SYSID 1 /* Return unique per-machine identifier. */ | ||
244 | #define SGI_INVENT 5 /* Fetch inventory */ | ||
245 | # define SGI_INV_SIZEOF 1 | ||
246 | # define SGI_INV_READ 2 | ||
247 | #define SGI_RDNAME 6 /* Return string name of a process. */ | ||
248 | #define SGI_SETNVRAM 8 /* Set PROM variable. */ | ||
249 | #define SGI_GETNVRAM 9 /* Get PROM variable. */ | ||
250 | #define SGI_SETPGID 21 /* Set process group id. */ | ||
251 | #define SGI_SYSCONF 22 /* POSIX sysconf garbage. */ | ||
252 | #define SGI_PATHCONF 24 /* POSIX sysconf garbage. */ | ||
253 | #define SGI_SETGROUPS 40 /* POSIX sysconf garbage. */ | ||
254 | #define SGI_GETGROUPS 41 /* POSIX sysconf garbage. */ | ||
255 | #define SGI_RUSAGE 56 /* BSD style rusage(). */ | ||
256 | #define SGI_SSYNC 62 /* Synchronous fs sync. */ | ||
257 | #define SGI_GETSID 65 /* SysVr4 get session id. */ | ||
258 | #define SGI_ELFMAP 68 /* Map an elf image. */ | ||
259 | #define SGI_TOSSTSAVE 108 /* Toss saved vma's. */ | ||
260 | #define SGI_FP_BCOPY 129 /* Should FPU bcopy be used on this machine? */ | ||
261 | #define SGI_PHYSP 1011 /* Translate virtual into physical page. */ | ||
262 | |||
263 | asmlinkage int irix_syssgi(struct pt_regs *regs) | ||
264 | { | ||
265 | unsigned long cmd; | ||
266 | int retval, base = 0; | ||
267 | |||
268 | if (regs->regs[2] == 1000) | ||
269 | base = 1; | ||
270 | |||
271 | cmd = regs->regs[base + 4]; | ||
272 | switch(cmd) { | ||
273 | case SGI_SYSID: { | ||
274 | char __user *buf = (char __user *) regs->regs[base + 5]; | ||
275 | |||
276 | /* XXX Use ethernet addr.... */ | ||
277 | retval = clear_user(buf, 64) ? -EFAULT : 0; | ||
278 | break; | ||
279 | } | ||
280 | #if 0 | ||
281 | case SGI_RDNAME: { | ||
282 | int pid = (int) regs->regs[base + 5]; | ||
283 | char __user *buf = (char __user *) regs->regs[base + 6]; | ||
284 | struct task_struct *p; | ||
285 | char tcomm[sizeof(current->comm)]; | ||
286 | |||
287 | read_lock(&tasklist_lock); | ||
288 | p = find_task_by_pid(pid); | ||
289 | if (!p) { | ||
290 | read_unlock(&tasklist_lock); | ||
291 | retval = -ESRCH; | ||
292 | break; | ||
293 | } | ||
294 | get_task_comm(tcomm, p); | ||
295 | read_unlock(&tasklist_lock); | ||
296 | |||
297 | /* XXX Need to check sizes. */ | ||
298 | retval = copy_to_user(buf, tcomm, sizeof(tcomm)) ? -EFAULT : 0; | ||
299 | break; | ||
300 | } | ||
301 | |||
302 | case SGI_GETNVRAM: { | ||
303 | char __user *name = (char __user *) regs->regs[base+5]; | ||
304 | char __user *buf = (char __user *) regs->regs[base+6]; | ||
305 | char *value; | ||
306 | return -EINVAL; /* til I fix it */ | ||
307 | value = prom_getenv(name); /* PROM lock? */ | ||
308 | if (!value) { | ||
309 | retval = -EINVAL; | ||
310 | break; | ||
311 | } | ||
312 | /* Do I strlen() for the length? */ | ||
313 | retval = copy_to_user(buf, value, 128) ? -EFAULT : 0; | ||
314 | break; | ||
315 | } | ||
316 | |||
317 | case SGI_SETNVRAM: { | ||
318 | char __user *name = (char __user *) regs->regs[base+5]; | ||
319 | char __user *value = (char __user *) regs->regs[base+6]; | ||
320 | return -EINVAL; /* til I fix it */ | ||
321 | retval = prom_setenv(name, value); | ||
322 | /* XXX make sure retval conforms to syssgi(2) */ | ||
323 | printk("[%s:%d] setnvram(\"%s\", \"%s\"): retval %d", | ||
324 | current->comm, current->pid, name, value, retval); | ||
325 | /* if (retval == PROM_ENOENT) | ||
326 | retval = -ENOENT; */ | ||
327 | break; | ||
328 | } | ||
329 | #endif | ||
330 | |||
331 | case SGI_SETPGID: { | ||
332 | #ifdef DEBUG_PROCGRPS | ||
333 | printk("[%s:%d] setpgid(%d, %d) ", | ||
334 | current->comm, current->pid, | ||
335 | (int) regs->regs[base + 5], (int)regs->regs[base + 6]); | ||
336 | #endif | ||
337 | retval = sys_setpgid(regs->regs[base + 5], regs->regs[base + 6]); | ||
338 | |||
339 | #ifdef DEBUG_PROCGRPS | ||
340 | printk("retval=%d\n", retval); | ||
341 | #endif | ||
342 | } | ||
343 | |||
344 | case SGI_SYSCONF: { | ||
345 | switch(regs->regs[base + 5]) { | ||
346 | case 1: | ||
347 | retval = (MAX_ARG_PAGES >> 4); /* XXX estimate... */ | ||
348 | goto out; | ||
349 | case 2: | ||
350 | retval = max_threads; | ||
351 | goto out; | ||
352 | case 3: | ||
353 | retval = HZ; | ||
354 | goto out; | ||
355 | case 4: | ||
356 | retval = NGROUPS_MAX; | ||
357 | goto out; | ||
358 | case 5: | ||
359 | retval = sysctl_nr_open; | ||
360 | goto out; | ||
361 | case 6: | ||
362 | retval = 1; | ||
363 | goto out; | ||
364 | case 7: | ||
365 | retval = 1; | ||
366 | goto out; | ||
367 | case 8: | ||
368 | retval = 199009; | ||
369 | goto out; | ||
370 | case 11: | ||
371 | retval = PAGE_SIZE; | ||
372 | goto out; | ||
373 | case 12: | ||
374 | retval = 4; | ||
375 | goto out; | ||
376 | case 25: | ||
377 | case 26: | ||
378 | case 27: | ||
379 | case 28: | ||
380 | case 29: | ||
381 | case 30: | ||
382 | retval = 0; | ||
383 | goto out; | ||
384 | case 31: | ||
385 | retval = 32; | ||
386 | goto out; | ||
387 | default: | ||
388 | retval = -EINVAL; | ||
389 | goto out; | ||
390 | }; | ||
391 | } | ||
392 | |||
393 | case SGI_SETGROUPS: | ||
394 | retval = sys_setgroups((int) regs->regs[base + 5], | ||
395 | (gid_t __user *) regs->regs[base + 6]); | ||
396 | break; | ||
397 | |||
398 | case SGI_GETGROUPS: | ||
399 | retval = sys_getgroups((int) regs->regs[base + 5], | ||
400 | (gid_t __user *) regs->regs[base + 6]); | ||
401 | break; | ||
402 | |||
403 | case SGI_RUSAGE: { | ||
404 | struct rusage __user *ru = (struct rusage __user *) regs->regs[base + 6]; | ||
405 | |||
406 | switch((int) regs->regs[base + 5]) { | ||
407 | case 0: | ||
408 | /* rusage self */ | ||
409 | retval = getrusage(current, RUSAGE_SELF, ru); | ||
410 | goto out; | ||
411 | |||
412 | case -1: | ||
413 | /* rusage children */ | ||
414 | retval = getrusage(current, RUSAGE_CHILDREN, ru); | ||
415 | goto out; | ||
416 | |||
417 | default: | ||
418 | retval = -EINVAL; | ||
419 | goto out; | ||
420 | }; | ||
421 | } | ||
422 | |||
423 | case SGI_SSYNC: | ||
424 | sys_sync(); | ||
425 | retval = 0; | ||
426 | break; | ||
427 | |||
428 | case SGI_GETSID: | ||
429 | #ifdef DEBUG_PROCGRPS | ||
430 | printk("[%s:%d] getsid(%d) ", current->comm, current->pid, | ||
431 | (int) regs->regs[base + 5]); | ||
432 | #endif | ||
433 | retval = sys_getsid(regs->regs[base + 5]); | ||
434 | #ifdef DEBUG_PROCGRPS | ||
435 | printk("retval=%d\n", retval); | ||
436 | #endif | ||
437 | break; | ||
438 | |||
439 | case SGI_ELFMAP: | ||
440 | retval = irix_mapelf((int) regs->regs[base + 5], | ||
441 | (struct elf_phdr __user *) regs->regs[base + 6], | ||
442 | (int) regs->regs[base + 7]); | ||
443 | break; | ||
444 | |||
445 | case SGI_TOSSTSAVE: | ||
446 | /* XXX We don't need to do anything? */ | ||
447 | retval = 0; | ||
448 | break; | ||
449 | |||
450 | case SGI_FP_BCOPY: | ||
451 | retval = 0; | ||
452 | break; | ||
453 | |||
454 | case SGI_PHYSP: { | ||
455 | unsigned long addr = regs->regs[base + 5]; | ||
456 | int __user *pageno = (int __user *) (regs->regs[base + 6]); | ||
457 | struct mm_struct *mm = current->mm; | ||
458 | pgd_t *pgdp; | ||
459 | pud_t *pudp; | ||
460 | pmd_t *pmdp; | ||
461 | pte_t *ptep; | ||
462 | |||
463 | down_read(&mm->mmap_sem); | ||
464 | pgdp = pgd_offset(mm, addr); | ||
465 | pudp = pud_offset(pgdp, addr); | ||
466 | pmdp = pmd_offset(pudp, addr); | ||
467 | ptep = pte_offset(pmdp, addr); | ||
468 | retval = -EINVAL; | ||
469 | if (ptep) { | ||
470 | pte_t pte = *ptep; | ||
471 | |||
472 | if (pte_val(pte) & (_PAGE_VALID | _PAGE_PRESENT)) { | ||
473 | /* b0rked on 64-bit */ | ||
474 | retval = put_user((pte_val(pte) & PAGE_MASK) >> | ||
475 | PAGE_SHIFT, pageno); | ||
476 | } | ||
477 | } | ||
478 | up_read(&mm->mmap_sem); | ||
479 | break; | ||
480 | } | ||
481 | |||
482 | case SGI_INVENT: { | ||
483 | int arg1 = (int) regs->regs [base + 5]; | ||
484 | void __user *buffer = (void __user *) regs->regs [base + 6]; | ||
485 | int count = (int) regs->regs [base + 7]; | ||
486 | |||
487 | switch (arg1) { | ||
488 | case SGI_INV_SIZEOF: | ||
489 | retval = sizeof(inventory_t); | ||
490 | break; | ||
491 | case SGI_INV_READ: | ||
492 | retval = dump_inventory_to_user(buffer, count); | ||
493 | break; | ||
494 | default: | ||
495 | retval = -EINVAL; | ||
496 | } | ||
497 | break; | ||
498 | } | ||
499 | |||
500 | default: | ||
501 | printk("irix_syssgi: Unsupported command %d\n", (int)cmd); | ||
502 | retval = -EINVAL; | ||
503 | break; | ||
504 | }; | ||
505 | |||
506 | out: | ||
507 | return retval; | ||
508 | } | ||
509 | |||
510 | asmlinkage int irix_gtime(struct pt_regs *regs) | ||
511 | { | ||
512 | return get_seconds(); | ||
513 | } | ||
514 | |||
515 | /* | ||
516 | * IRIX is completely broken... it returns 0 on success, otherwise | ||
517 | * ENOMEM. | ||
518 | */ | ||
519 | asmlinkage int irix_brk(unsigned long brk) | ||
520 | { | ||
521 | unsigned long rlim; | ||
522 | unsigned long newbrk, oldbrk; | ||
523 | struct mm_struct *mm = current->mm; | ||
524 | int ret; | ||
525 | |||
526 | down_write(&mm->mmap_sem); | ||
527 | if (brk < mm->end_code) { | ||
528 | ret = -ENOMEM; | ||
529 | goto out; | ||
530 | } | ||
531 | |||
532 | newbrk = PAGE_ALIGN(brk); | ||
533 | oldbrk = PAGE_ALIGN(mm->brk); | ||
534 | if (oldbrk == newbrk) { | ||
535 | mm->brk = brk; | ||
536 | ret = 0; | ||
537 | goto out; | ||
538 | } | ||
539 | |||
540 | /* | ||
541 | * Always allow shrinking brk | ||
542 | */ | ||
543 | if (brk <= mm->brk) { | ||
544 | mm->brk = brk; | ||
545 | do_munmap(mm, newbrk, oldbrk-newbrk); | ||
546 | ret = 0; | ||
547 | goto out; | ||
548 | } | ||
549 | /* | ||
550 | * Check against rlimit and stack.. | ||
551 | */ | ||
552 | rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur; | ||
553 | if (rlim >= RLIM_INFINITY) | ||
554 | rlim = ~0; | ||
555 | if (brk - mm->end_code > rlim) { | ||
556 | ret = -ENOMEM; | ||
557 | goto out; | ||
558 | } | ||
559 | |||
560 | /* | ||
561 | * Check against existing mmap mappings. | ||
562 | */ | ||
563 | if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE)) { | ||
564 | ret = -ENOMEM; | ||
565 | goto out; | ||
566 | } | ||
567 | |||
568 | /* | ||
569 | * Ok, looks good - let it rip. | ||
570 | */ | ||
571 | if (do_brk(oldbrk, newbrk-oldbrk) != oldbrk) { | ||
572 | ret = -ENOMEM; | ||
573 | goto out; | ||
574 | } | ||
575 | mm->brk = brk; | ||
576 | ret = 0; | ||
577 | |||
578 | out: | ||
579 | up_write(&mm->mmap_sem); | ||
580 | return ret; | ||
581 | } | ||
582 | |||
583 | asmlinkage int irix_getpid(struct pt_regs *regs) | ||
584 | { | ||
585 | regs->regs[3] = task_pid_vnr(current->real_parent); | ||
586 | return task_pid_vnr(current); | ||
587 | } | ||
588 | |||
589 | asmlinkage int irix_getuid(struct pt_regs *regs) | ||
590 | { | ||
591 | regs->regs[3] = current->euid; | ||
592 | return current->uid; | ||
593 | } | ||
594 | |||
595 | asmlinkage int irix_getgid(struct pt_regs *regs) | ||
596 | { | ||
597 | regs->regs[3] = current->egid; | ||
598 | return current->gid; | ||
599 | } | ||
600 | |||
601 | asmlinkage int irix_stime(int value) | ||
602 | { | ||
603 | int err; | ||
604 | struct timespec tv; | ||
605 | |||
606 | tv.tv_sec = value; | ||
607 | tv.tv_nsec = 0; | ||
608 | err = security_settime(&tv, NULL); | ||
609 | if (err) | ||
610 | return err; | ||
611 | |||
612 | write_seqlock_irq(&xtime_lock); | ||
613 | xtime.tv_sec = value; | ||
614 | xtime.tv_nsec = 0; | ||
615 | ntp_clear(); | ||
616 | write_sequnlock_irq(&xtime_lock); | ||
617 | |||
618 | return 0; | ||
619 | } | ||
620 | |||
621 | static inline void jiffiestotv(unsigned long jiffies, struct timeval *value) | ||
622 | { | ||
623 | value->tv_usec = (jiffies % HZ) * (1000000 / HZ); | ||
624 | value->tv_sec = jiffies / HZ; | ||
625 | } | ||
626 | |||
627 | static inline void getitimer_real(struct itimerval *value) | ||
628 | { | ||
629 | register unsigned long val, interval; | ||
630 | |||
631 | interval = current->it_real_incr; | ||
632 | val = 0; | ||
633 | if (del_timer(¤t->real_timer)) { | ||
634 | unsigned long now = jiffies; | ||
635 | val = current->real_timer.expires; | ||
636 | add_timer(¤t->real_timer); | ||
637 | /* look out for negative/zero itimer.. */ | ||
638 | if (val <= now) | ||
639 | val = now+1; | ||
640 | val -= now; | ||
641 | } | ||
642 | jiffiestotv(val, &value->it_value); | ||
643 | jiffiestotv(interval, &value->it_interval); | ||
644 | } | ||
645 | |||
646 | asmlinkage unsigned int irix_alarm(unsigned int seconds) | ||
647 | { | ||
648 | return alarm_setitimer(seconds); | ||
649 | } | ||
650 | |||
651 | asmlinkage int irix_pause(void) | ||
652 | { | ||
653 | current->state = TASK_INTERRUPTIBLE; | ||
654 | schedule(); | ||
655 | |||
656 | return -EINTR; | ||
657 | } | ||
658 | |||
659 | /* XXX need more than this... */ | ||
660 | asmlinkage int irix_mount(char __user *dev_name, char __user *dir_name, | ||
661 | unsigned long flags, char __user *type, void __user *data, int datalen) | ||
662 | { | ||
663 | printk("[%s:%d] irix_mount(%p,%p,%08lx,%p,%p,%d)\n", | ||
664 | current->comm, current->pid, | ||
665 | dev_name, dir_name, flags, type, data, datalen); | ||
666 | |||
667 | return sys_mount(dev_name, dir_name, type, flags, data); | ||
668 | } | ||
669 | |||
670 | struct irix_statfs { | ||
671 | short f_type; | ||
672 | long f_bsize, f_frsize, f_blocks, f_bfree, f_files, f_ffree; | ||
673 | char f_fname[6], f_fpack[6]; | ||
674 | }; | ||
675 | |||
676 | asmlinkage int irix_statfs(const char __user *path, | ||
677 | struct irix_statfs __user *buf, int len, int fs_type) | ||
678 | { | ||
679 | struct nameidata nd; | ||
680 | struct kstatfs kbuf; | ||
681 | int error, i; | ||
682 | |||
683 | /* We don't support this feature yet. */ | ||
684 | if (fs_type) { | ||
685 | error = -EINVAL; | ||
686 | goto out; | ||
687 | } | ||
688 | if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) { | ||
689 | error = -EFAULT; | ||
690 | goto out; | ||
691 | } | ||
692 | |||
693 | error = user_path_walk(path, &nd); | ||
694 | if (error) | ||
695 | goto out; | ||
696 | |||
697 | error = vfs_statfs(nd.path.dentry, &kbuf); | ||
698 | if (error) | ||
699 | goto dput_and_out; | ||
700 | |||
701 | error = __put_user(kbuf.f_type, &buf->f_type); | ||
702 | error |= __put_user(kbuf.f_bsize, &buf->f_bsize); | ||
703 | error |= __put_user(kbuf.f_frsize, &buf->f_frsize); | ||
704 | error |= __put_user(kbuf.f_blocks, &buf->f_blocks); | ||
705 | error |= __put_user(kbuf.f_bfree, &buf->f_bfree); | ||
706 | error |= __put_user(kbuf.f_files, &buf->f_files); | ||
707 | error |= __put_user(kbuf.f_ffree, &buf->f_ffree); | ||
708 | for (i = 0; i < 6; i++) { | ||
709 | error |= __put_user(0, &buf->f_fname[i]); | ||
710 | error |= __put_user(0, &buf->f_fpack[i]); | ||
711 | } | ||
712 | |||
713 | dput_and_out: | ||
714 | path_put(&nd.path); | ||
715 | out: | ||
716 | return error; | ||
717 | } | ||
718 | |||
719 | asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs __user *buf) | ||
720 | { | ||
721 | struct kstatfs kbuf; | ||
722 | struct file *file; | ||
723 | int error, i; | ||
724 | |||
725 | if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) { | ||
726 | error = -EFAULT; | ||
727 | goto out; | ||
728 | } | ||
729 | |||
730 | if (!(file = fget(fd))) { | ||
731 | error = -EBADF; | ||
732 | goto out; | ||
733 | } | ||
734 | |||
735 | error = vfs_statfs(file->f_path.dentry, &kbuf); | ||
736 | if (error) | ||
737 | goto out_f; | ||
738 | |||
739 | error = __put_user(kbuf.f_type, &buf->f_type); | ||
740 | error |= __put_user(kbuf.f_bsize, &buf->f_bsize); | ||
741 | error |= __put_user(kbuf.f_frsize, &buf->f_frsize); | ||
742 | error |= __put_user(kbuf.f_blocks, &buf->f_blocks); | ||
743 | error |= __put_user(kbuf.f_bfree, &buf->f_bfree); | ||
744 | error |= __put_user(kbuf.f_files, &buf->f_files); | ||
745 | error |= __put_user(kbuf.f_ffree, &buf->f_ffree); | ||
746 | |||
747 | for (i = 0; i < 6; i++) { | ||
748 | error |= __put_user(0, &buf->f_fname[i]); | ||
749 | error |= __put_user(0, &buf->f_fpack[i]); | ||
750 | } | ||
751 | |||
752 | out_f: | ||
753 | fput(file); | ||
754 | out: | ||
755 | return error; | ||
756 | } | ||
757 | |||
758 | asmlinkage int irix_setpgrp(int flags) | ||
759 | { | ||
760 | int error; | ||
761 | |||
762 | #ifdef DEBUG_PROCGRPS | ||
763 | printk("[%s:%d] setpgrp(%d) ", current->comm, current->pid, flags); | ||
764 | #endif | ||
765 | if(!flags) | ||
766 | error = task_pgrp_vnr(current); | ||
767 | else | ||
768 | error = sys_setsid(); | ||
769 | #ifdef DEBUG_PROCGRPS | ||
770 | printk("returning %d\n", error); | ||
771 | #endif | ||
772 | |||
773 | return error; | ||
774 | } | ||
775 | |||
776 | asmlinkage int irix_times(struct tms __user *tbuf) | ||
777 | { | ||
778 | int err = 0; | ||
779 | |||
780 | if (tbuf) { | ||
781 | if (!access_ok(VERIFY_WRITE, tbuf, sizeof *tbuf)) | ||
782 | return -EFAULT; | ||
783 | |||
784 | err = __put_user(current->utime, &tbuf->tms_utime); | ||
785 | err |= __put_user(current->stime, &tbuf->tms_stime); | ||
786 | err |= __put_user(current->signal->cutime, &tbuf->tms_cutime); | ||
787 | err |= __put_user(current->signal->cstime, &tbuf->tms_cstime); | ||
788 | } | ||
789 | |||
790 | return err; | ||
791 | } | ||
792 | |||
793 | asmlinkage int irix_exec(struct pt_regs *regs) | ||
794 | { | ||
795 | int error, base = 0; | ||
796 | char *filename; | ||
797 | |||
798 | if(regs->regs[2] == 1000) | ||
799 | base = 1; | ||
800 | filename = getname((char __user *) (long)regs->regs[base + 4]); | ||
801 | error = PTR_ERR(filename); | ||
802 | if (IS_ERR(filename)) | ||
803 | return error; | ||
804 | |||
805 | error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5], | ||
806 | NULL, regs); | ||
807 | putname(filename); | ||
808 | |||
809 | return error; | ||
810 | } | ||
811 | |||
812 | asmlinkage int irix_exece(struct pt_regs *regs) | ||
813 | { | ||
814 | int error, base = 0; | ||
815 | char *filename; | ||
816 | |||
817 | if (regs->regs[2] == 1000) | ||
818 | base = 1; | ||
819 | filename = getname((char __user *) (long)regs->regs[base + 4]); | ||
820 | error = PTR_ERR(filename); | ||
821 | if (IS_ERR(filename)) | ||
822 | return error; | ||
823 | error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5], | ||
824 | (char __user * __user *) (long)regs->regs[base + 6], regs); | ||
825 | putname(filename); | ||
826 | |||
827 | return error; | ||
828 | } | ||
829 | |||
830 | asmlinkage unsigned long irix_gethostid(void) | ||
831 | { | ||
832 | printk("[%s:%d]: irix_gethostid() called...\n", | ||
833 | current->comm, current->pid); | ||
834 | |||
835 | return -EINVAL; | ||
836 | } | ||
837 | |||
838 | asmlinkage unsigned long irix_sethostid(unsigned long val) | ||
839 | { | ||
840 | printk("[%s:%d]: irix_sethostid(%08lx) called...\n", | ||
841 | current->comm, current->pid, val); | ||
842 | |||
843 | return -EINVAL; | ||
844 | } | ||
845 | |||
846 | asmlinkage int irix_socket(int family, int type, int protocol) | ||
847 | { | ||
848 | switch(type) { | ||
849 | case 1: | ||
850 | type = SOCK_DGRAM; | ||
851 | break; | ||
852 | |||
853 | case 2: | ||
854 | type = SOCK_STREAM; | ||
855 | break; | ||
856 | |||
857 | case 3: | ||
858 | type = 9; /* Invalid... */ | ||
859 | break; | ||
860 | |||
861 | case 4: | ||
862 | type = SOCK_RAW; | ||
863 | break; | ||
864 | |||
865 | case 5: | ||
866 | type = SOCK_RDM; | ||
867 | break; | ||
868 | |||
869 | case 6: | ||
870 | type = SOCK_SEQPACKET; | ||
871 | break; | ||
872 | |||
873 | default: | ||
874 | break; | ||
875 | } | ||
876 | |||
877 | return sys_socket(family, type, protocol); | ||
878 | } | ||
879 | |||
880 | asmlinkage int irix_getdomainname(char __user *name, int len) | ||
881 | { | ||
882 | int err; | ||
883 | |||
884 | down_read(&uts_sem); | ||
885 | if (len > __NEW_UTS_LEN) | ||
886 | len = __NEW_UTS_LEN; | ||
887 | err = copy_to_user(name, utsname()->domainname, len) ? -EFAULT : 0; | ||
888 | up_read(&uts_sem); | ||
889 | |||
890 | return err; | ||
891 | } | ||
892 | |||
893 | asmlinkage unsigned long irix_getpagesize(void) | ||
894 | { | ||
895 | return PAGE_SIZE; | ||
896 | } | ||
897 | |||
898 | asmlinkage int irix_msgsys(int opcode, unsigned long arg0, unsigned long arg1, | ||
899 | unsigned long arg2, unsigned long arg3, | ||
900 | unsigned long arg4) | ||
901 | { | ||
902 | switch (opcode) { | ||
903 | case 0: | ||
904 | return sys_msgget((key_t) arg0, (int) arg1); | ||
905 | case 1: | ||
906 | return sys_msgctl((int) arg0, (int) arg1, | ||
907 | (struct msqid_ds __user *)arg2); | ||
908 | case 2: | ||
909 | return sys_msgrcv((int) arg0, (struct msgbuf __user *) arg1, | ||
910 | (size_t) arg2, (long) arg3, (int) arg4); | ||
911 | case 3: | ||
912 | return sys_msgsnd((int) arg0, (struct msgbuf __user *) arg1, | ||
913 | (size_t) arg2, (int) arg3); | ||
914 | default: | ||
915 | return -EINVAL; | ||
916 | } | ||
917 | } | ||
918 | |||
919 | asmlinkage int irix_shmsys(int opcode, unsigned long arg0, unsigned long arg1, | ||
920 | unsigned long arg2, unsigned long arg3) | ||
921 | { | ||
922 | switch (opcode) { | ||
923 | case 0: | ||
924 | return do_shmat((int) arg0, (char __user *) arg1, (int) arg2, | ||
925 | (unsigned long *) arg3); | ||
926 | case 1: | ||
927 | return sys_shmctl((int)arg0, (int)arg1, | ||
928 | (struct shmid_ds __user *)arg2); | ||
929 | case 2: | ||
930 | return sys_shmdt((char __user *)arg0); | ||
931 | case 3: | ||
932 | return sys_shmget((key_t) arg0, (int) arg1, (int) arg2); | ||
933 | default: | ||
934 | return -EINVAL; | ||
935 | } | ||
936 | } | ||
937 | |||
938 | asmlinkage int irix_semsys(int opcode, unsigned long arg0, unsigned long arg1, | ||
939 | unsigned long arg2, int arg3) | ||
940 | { | ||
941 | switch (opcode) { | ||
942 | case 0: | ||
943 | return sys_semctl((int) arg0, (int) arg1, (int) arg2, | ||
944 | (union semun) arg3); | ||
945 | case 1: | ||
946 | return sys_semget((key_t) arg0, (int) arg1, (int) arg2); | ||
947 | case 2: | ||
948 | return sys_semop((int) arg0, (struct sembuf __user *)arg1, | ||
949 | (unsigned int) arg2); | ||
950 | default: | ||
951 | return -EINVAL; | ||
952 | } | ||
953 | } | ||
954 | |||
955 | static inline loff_t llseek(struct file *file, loff_t offset, int origin) | ||
956 | { | ||
957 | loff_t (*fn)(struct file *, loff_t, int); | ||
958 | loff_t retval; | ||
959 | |||
960 | fn = default_llseek; | ||
961 | if (file->f_op && file->f_op->llseek) | ||
962 | fn = file->f_op->llseek; | ||
963 | lock_kernel(); | ||
964 | retval = fn(file, offset, origin); | ||
965 | unlock_kernel(); | ||
966 | |||
967 | return retval; | ||
968 | } | ||
969 | |||
970 | asmlinkage int irix_lseek64(int fd, int _unused, int offhi, int offlow, | ||
971 | int origin) | ||
972 | { | ||
973 | struct file * file; | ||
974 | loff_t offset; | ||
975 | int retval; | ||
976 | |||
977 | retval = -EBADF; | ||
978 | file = fget(fd); | ||
979 | if (!file) | ||
980 | goto bad; | ||
981 | retval = -EINVAL; | ||
982 | if (origin > 2) | ||
983 | goto out_putf; | ||
984 | |||
985 | offset = llseek(file, ((loff_t) offhi << 32) | offlow, origin); | ||
986 | retval = (int) offset; | ||
987 | |||
988 | out_putf: | ||
989 | fput(file); | ||
990 | bad: | ||
991 | return retval; | ||
992 | } | ||
993 | |||
994 | asmlinkage int irix_sginap(int ticks) | ||
995 | { | ||
996 | schedule_timeout_interruptible(ticks); | ||
997 | return 0; | ||
998 | } | ||
999 | |||
1000 | asmlinkage int irix_sgikopt(char __user *istring, char __user *ostring, int len) | ||
1001 | { | ||
1002 | return -EINVAL; | ||
1003 | } | ||
1004 | |||
1005 | asmlinkage int irix_gettimeofday(struct timeval __user *tv) | ||
1006 | { | ||
1007 | time_t sec; | ||
1008 | long nsec, seq; | ||
1009 | int err; | ||
1010 | |||
1011 | if (!access_ok(VERIFY_WRITE, tv, sizeof(struct timeval))) | ||
1012 | return -EFAULT; | ||
1013 | |||
1014 | do { | ||
1015 | seq = read_seqbegin(&xtime_lock); | ||
1016 | sec = xtime.tv_sec; | ||
1017 | nsec = xtime.tv_nsec; | ||
1018 | } while (read_seqretry(&xtime_lock, seq)); | ||
1019 | |||
1020 | err = __put_user(sec, &tv->tv_sec); | ||
1021 | err |= __put_user((nsec / 1000), &tv->tv_usec); | ||
1022 | |||
1023 | return err; | ||
1024 | } | ||
1025 | |||
1026 | #define IRIX_MAP_AUTOGROW 0x40 | ||
1027 | |||
1028 | asmlinkage unsigned long irix_mmap32(unsigned long addr, size_t len, int prot, | ||
1029 | int flags, int fd, off_t offset) | ||
1030 | { | ||
1031 | struct file *file = NULL; | ||
1032 | unsigned long retval; | ||
1033 | |||
1034 | if (!(flags & MAP_ANONYMOUS)) { | ||
1035 | if (!(file = fget(fd))) | ||
1036 | return -EBADF; | ||
1037 | |||
1038 | /* Ok, bad taste hack follows, try to think in something else | ||
1039 | * when reading this. */ | ||
1040 | if (flags & IRIX_MAP_AUTOGROW) { | ||
1041 | unsigned long old_pos; | ||
1042 | long max_size = offset + len; | ||
1043 | |||
1044 | if (max_size > file->f_path.dentry->d_inode->i_size) { | ||
1045 | old_pos = sys_lseek(fd, max_size - 1, 0); | ||
1046 | sys_write(fd, (void __user *) "", 1); | ||
1047 | sys_lseek(fd, old_pos, 0); | ||
1048 | } | ||
1049 | } | ||
1050 | } | ||
1051 | |||
1052 | flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); | ||
1053 | |||
1054 | down_write(¤t->mm->mmap_sem); | ||
1055 | retval = do_mmap(file, addr, len, prot, flags, offset); | ||
1056 | up_write(¤t->mm->mmap_sem); | ||
1057 | if (file) | ||
1058 | fput(file); | ||
1059 | |||
1060 | return retval; | ||
1061 | } | ||
1062 | |||
1063 | asmlinkage int irix_madvise(unsigned long addr, int len, int behavior) | ||
1064 | { | ||
1065 | printk("[%s:%d] Wheee.. irix_madvise(%08lx,%d,%d)\n", | ||
1066 | current->comm, current->pid, addr, len, behavior); | ||
1067 | |||
1068 | return -EINVAL; | ||
1069 | } | ||
1070 | |||
1071 | asmlinkage int irix_pagelock(char __user *addr, int len, int op) | ||
1072 | { | ||
1073 | printk("[%s:%d] Wheee.. irix_pagelock(%p,%d,%d)\n", | ||
1074 | current->comm, current->pid, addr, len, op); | ||
1075 | |||
1076 | return -EINVAL; | ||
1077 | } | ||
1078 | |||
1079 | asmlinkage int irix_quotactl(struct pt_regs *regs) | ||
1080 | { | ||
1081 | printk("[%s:%d] Wheee.. irix_quotactl()\n", | ||
1082 | current->comm, current->pid); | ||
1083 | |||
1084 | return -EINVAL; | ||
1085 | } | ||
1086 | |||
1087 | asmlinkage int irix_BSDsetpgrp(int pid, int pgrp) | ||
1088 | { | ||
1089 | int error; | ||
1090 | |||
1091 | #ifdef DEBUG_PROCGRPS | ||
1092 | printk("[%s:%d] BSDsetpgrp(%d, %d) ", current->comm, current->pid, | ||
1093 | pid, pgrp); | ||
1094 | #endif | ||
1095 | if(!pid) | ||
1096 | pid = task_pid_vnr(current); | ||
1097 | |||
1098 | /* Wheee, weird sysv thing... */ | ||
1099 | if ((pgrp == 0) && (pid == task_pid_vnr(current))) | ||
1100 | error = sys_setsid(); | ||
1101 | else | ||
1102 | error = sys_setpgid(pid, pgrp); | ||
1103 | |||
1104 | #ifdef DEBUG_PROCGRPS | ||
1105 | printk("error = %d\n", error); | ||
1106 | #endif | ||
1107 | |||
1108 | return error; | ||
1109 | } | ||
1110 | |||
1111 | asmlinkage int irix_systeminfo(int cmd, char __user *buf, int cnt) | ||
1112 | { | ||
1113 | printk("[%s:%d] Wheee.. irix_systeminfo(%d,%p,%d)\n", | ||
1114 | current->comm, current->pid, cmd, buf, cnt); | ||
1115 | |||
1116 | return -EINVAL; | ||
1117 | } | ||
1118 | |||
1119 | struct iuname { | ||
1120 | char sysname[257], nodename[257], release[257]; | ||
1121 | char version[257], machine[257]; | ||
1122 | char m_type[257], base_rel[257]; | ||
1123 | char _unused0[257], _unused1[257], _unused2[257]; | ||
1124 | char _unused3[257], _unused4[257], _unused5[257]; | ||
1125 | }; | ||
1126 | |||
1127 | asmlinkage int irix_uname(struct iuname __user *buf) | ||
1128 | { | ||
1129 | down_read(&uts_sem); | ||
1130 | if (copy_from_user(utsname()->sysname, buf->sysname, 65) | ||
1131 | || copy_from_user(utsname()->nodename, buf->nodename, 65) | ||
1132 | || copy_from_user(utsname()->release, buf->release, 65) | ||
1133 | || copy_from_user(utsname()->version, buf->version, 65) | ||
1134 | || copy_from_user(utsname()->machine, buf->machine, 65)) { | ||
1135 | return -EFAULT; | ||
1136 | } | ||
1137 | up_read(&uts_sem); | ||
1138 | |||
1139 | return 1; | ||
1140 | } | ||
1141 | |||
1142 | #undef DEBUG_XSTAT | ||
1143 | |||
1144 | static int irix_xstat32_xlate(struct kstat *stat, void __user *ubuf) | ||
1145 | { | ||
1146 | struct xstat32 { | ||
1147 | u32 st_dev, st_pad1[3], st_ino, st_mode, st_nlink, st_uid, st_gid; | ||
1148 | u32 st_rdev, st_pad2[2], st_size, st_pad3; | ||
1149 | u32 st_atime0, st_atime1; | ||
1150 | u32 st_mtime0, st_mtime1; | ||
1151 | u32 st_ctime0, st_ctime1; | ||
1152 | u32 st_blksize, st_blocks; | ||
1153 | char st_fstype[16]; | ||
1154 | u32 st_pad4[8]; | ||
1155 | } ub; | ||
1156 | |||
1157 | if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev)) | ||
1158 | return -EOVERFLOW; | ||
1159 | ub.st_dev = sysv_encode_dev(stat->dev); | ||
1160 | ub.st_ino = stat->ino; | ||
1161 | ub.st_mode = stat->mode; | ||
1162 | ub.st_nlink = stat->nlink; | ||
1163 | SET_UID(ub.st_uid, stat->uid); | ||
1164 | SET_GID(ub.st_gid, stat->gid); | ||
1165 | ub.st_rdev = sysv_encode_dev(stat->rdev); | ||
1166 | #if BITS_PER_LONG == 32 | ||
1167 | if (stat->size > MAX_NON_LFS) | ||
1168 | return -EOVERFLOW; | ||
1169 | #endif | ||
1170 | ub.st_size = stat->size; | ||
1171 | ub.st_atime0 = stat->atime.tv_sec; | ||
1172 | ub.st_atime1 = stat->atime.tv_nsec; | ||
1173 | ub.st_mtime0 = stat->mtime.tv_sec; | ||
1174 | ub.st_mtime1 = stat->atime.tv_nsec; | ||
1175 | ub.st_ctime0 = stat->ctime.tv_sec; | ||
1176 | ub.st_ctime1 = stat->atime.tv_nsec; | ||
1177 | ub.st_blksize = stat->blksize; | ||
1178 | ub.st_blocks = stat->blocks; | ||
1179 | strcpy(ub.st_fstype, "efs"); | ||
1180 | |||
1181 | return copy_to_user(ubuf, &ub, sizeof(ub)) ? -EFAULT : 0; | ||
1182 | } | ||
1183 | |||
1184 | static int irix_xstat64_xlate(struct kstat *stat, void __user *ubuf) | ||
1185 | { | ||
1186 | struct xstat64 { | ||
1187 | u32 st_dev; s32 st_pad1[3]; | ||
1188 | unsigned long long st_ino; | ||
1189 | u32 st_mode; | ||
1190 | u32 st_nlink; s32 st_uid; s32 st_gid; u32 st_rdev; | ||
1191 | s32 st_pad2[2]; | ||
1192 | long long st_size; | ||
1193 | s32 st_pad3; | ||
1194 | struct { s32 tv_sec, tv_nsec; } st_atime, st_mtime, st_ctime; | ||
1195 | s32 st_blksize; | ||
1196 | long long st_blocks; | ||
1197 | char st_fstype[16]; | ||
1198 | s32 st_pad4[8]; | ||
1199 | } ks; | ||
1200 | |||
1201 | if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev)) | ||
1202 | return -EOVERFLOW; | ||
1203 | |||
1204 | ks.st_dev = sysv_encode_dev(stat->dev); | ||
1205 | ks.st_pad1[0] = ks.st_pad1[1] = ks.st_pad1[2] = 0; | ||
1206 | ks.st_ino = (unsigned long long) stat->ino; | ||
1207 | ks.st_mode = (u32) stat->mode; | ||
1208 | ks.st_nlink = (u32) stat->nlink; | ||
1209 | ks.st_uid = (s32) stat->uid; | ||
1210 | ks.st_gid = (s32) stat->gid; | ||
1211 | ks.st_rdev = sysv_encode_dev(stat->rdev); | ||
1212 | ks.st_pad2[0] = ks.st_pad2[1] = 0; | ||
1213 | ks.st_size = (long long) stat->size; | ||
1214 | ks.st_pad3 = 0; | ||
1215 | |||
1216 | /* XXX hackety hack... */ | ||
1217 | ks.st_atime.tv_sec = (s32) stat->atime.tv_sec; | ||
1218 | ks.st_atime.tv_nsec = stat->atime.tv_nsec; | ||
1219 | ks.st_mtime.tv_sec = (s32) stat->mtime.tv_sec; | ||
1220 | ks.st_mtime.tv_nsec = stat->mtime.tv_nsec; | ||
1221 | ks.st_ctime.tv_sec = (s32) stat->ctime.tv_sec; | ||
1222 | ks.st_ctime.tv_nsec = stat->ctime.tv_nsec; | ||
1223 | |||
1224 | ks.st_blksize = (s32) stat->blksize; | ||
1225 | ks.st_blocks = (long long) stat->blocks; | ||
1226 | memset(ks.st_fstype, 0, 16); | ||
1227 | ks.st_pad4[0] = ks.st_pad4[1] = ks.st_pad4[2] = ks.st_pad4[3] = 0; | ||
1228 | ks.st_pad4[4] = ks.st_pad4[5] = ks.st_pad4[6] = ks.st_pad4[7] = 0; | ||
1229 | |||
1230 | /* Now write it all back. */ | ||
1231 | return copy_to_user(ubuf, &ks, sizeof(ks)) ? -EFAULT : 0; | ||
1232 | } | ||
1233 | |||
1234 | asmlinkage int irix_xstat(int version, char __user *filename, struct stat __user *statbuf) | ||
1235 | { | ||
1236 | int retval; | ||
1237 | struct kstat stat; | ||
1238 | |||
1239 | #ifdef DEBUG_XSTAT | ||
1240 | printk("[%s:%d] Wheee.. irix_xstat(%d,%s,%p) ", | ||
1241 | current->comm, current->pid, version, filename, statbuf); | ||
1242 | #endif | ||
1243 | |||
1244 | retval = vfs_stat(filename, &stat); | ||
1245 | if (!retval) { | ||
1246 | switch(version) { | ||
1247 | case 2: | ||
1248 | retval = irix_xstat32_xlate(&stat, statbuf); | ||
1249 | break; | ||
1250 | case 3: | ||
1251 | retval = irix_xstat64_xlate(&stat, statbuf); | ||
1252 | break; | ||
1253 | default: | ||
1254 | retval = -EINVAL; | ||
1255 | } | ||
1256 | } | ||
1257 | return retval; | ||
1258 | } | ||
1259 | |||
1260 | asmlinkage int irix_lxstat(int version, char __user *filename, struct stat __user *statbuf) | ||
1261 | { | ||
1262 | int error; | ||
1263 | struct kstat stat; | ||
1264 | |||
1265 | #ifdef DEBUG_XSTAT | ||
1266 | printk("[%s:%d] Wheee.. irix_lxstat(%d,%s,%p) ", | ||
1267 | current->comm, current->pid, version, filename, statbuf); | ||
1268 | #endif | ||
1269 | |||
1270 | error = vfs_lstat(filename, &stat); | ||
1271 | |||
1272 | if (!error) { | ||
1273 | switch (version) { | ||
1274 | case 2: | ||
1275 | error = irix_xstat32_xlate(&stat, statbuf); | ||
1276 | break; | ||
1277 | case 3: | ||
1278 | error = irix_xstat64_xlate(&stat, statbuf); | ||
1279 | break; | ||
1280 | default: | ||
1281 | error = -EINVAL; | ||
1282 | } | ||
1283 | } | ||
1284 | return error; | ||
1285 | } | ||
1286 | |||
1287 | asmlinkage int irix_fxstat(int version, int fd, struct stat __user *statbuf) | ||
1288 | { | ||
1289 | int error; | ||
1290 | struct kstat stat; | ||
1291 | |||
1292 | #ifdef DEBUG_XSTAT | ||
1293 | printk("[%s:%d] Wheee.. irix_fxstat(%d,%d,%p) ", | ||
1294 | current->comm, current->pid, version, fd, statbuf); | ||
1295 | #endif | ||
1296 | |||
1297 | error = vfs_fstat(fd, &stat); | ||
1298 | if (!error) { | ||
1299 | switch (version) { | ||
1300 | case 2: | ||
1301 | error = irix_xstat32_xlate(&stat, statbuf); | ||
1302 | break; | ||
1303 | case 3: | ||
1304 | error = irix_xstat64_xlate(&stat, statbuf); | ||
1305 | break; | ||
1306 | default: | ||
1307 | error = -EINVAL; | ||
1308 | } | ||
1309 | } | ||
1310 | return error; | ||
1311 | } | ||
1312 | |||
1313 | asmlinkage int irix_xmknod(int ver, char __user *filename, int mode, unsigned dev) | ||
1314 | { | ||
1315 | int retval; | ||
1316 | printk("[%s:%d] Wheee.. irix_xmknod(%d,%s,%x,%x)\n", | ||
1317 | current->comm, current->pid, ver, filename, mode, dev); | ||
1318 | |||
1319 | switch(ver) { | ||
1320 | case 2: | ||
1321 | /* shouldn't we convert here as well as on stat()? */ | ||
1322 | retval = sys_mknod(filename, mode, dev); | ||
1323 | break; | ||
1324 | |||
1325 | default: | ||
1326 | retval = -EINVAL; | ||
1327 | break; | ||
1328 | }; | ||
1329 | |||
1330 | return retval; | ||
1331 | } | ||
1332 | |||
1333 | asmlinkage int irix_swapctl(int cmd, char __user *arg) | ||
1334 | { | ||
1335 | printk("[%s:%d] Wheee.. irix_swapctl(%d,%p)\n", | ||
1336 | current->comm, current->pid, cmd, arg); | ||
1337 | |||
1338 | return -EINVAL; | ||
1339 | } | ||
1340 | |||
1341 | struct irix_statvfs { | ||
1342 | u32 f_bsize; u32 f_frsize; u32 f_blocks; | ||
1343 | u32 f_bfree; u32 f_bavail; u32 f_files; u32 f_ffree; u32 f_favail; | ||
1344 | u32 f_fsid; char f_basetype[16]; | ||
1345 | u32 f_flag; u32 f_namemax; | ||
1346 | char f_fstr[32]; u32 f_filler[16]; | ||
1347 | }; | ||
1348 | |||
1349 | asmlinkage int irix_statvfs(char __user *fname, struct irix_statvfs __user *buf) | ||
1350 | { | ||
1351 | struct nameidata nd; | ||
1352 | struct kstatfs kbuf; | ||
1353 | int error, i; | ||
1354 | |||
1355 | printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n", | ||
1356 | current->comm, current->pid, fname, buf); | ||
1357 | if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) | ||
1358 | return -EFAULT; | ||
1359 | |||
1360 | error = user_path_walk(fname, &nd); | ||
1361 | if (error) | ||
1362 | goto out; | ||
1363 | error = vfs_statfs(nd.path.dentry, &kbuf); | ||
1364 | if (error) | ||
1365 | goto dput_and_out; | ||
1366 | |||
1367 | error |= __put_user(kbuf.f_bsize, &buf->f_bsize); | ||
1368 | error |= __put_user(kbuf.f_frsize, &buf->f_frsize); | ||
1369 | error |= __put_user(kbuf.f_blocks, &buf->f_blocks); | ||
1370 | error |= __put_user(kbuf.f_bfree, &buf->f_bfree); | ||
1371 | error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */ | ||
1372 | error |= __put_user(kbuf.f_files, &buf->f_files); | ||
1373 | error |= __put_user(kbuf.f_ffree, &buf->f_ffree); | ||
1374 | error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */ | ||
1375 | #ifdef __MIPSEB__ | ||
1376 | error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid); | ||
1377 | #else | ||
1378 | error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid); | ||
1379 | #endif | ||
1380 | for (i = 0; i < 16; i++) | ||
1381 | error |= __put_user(0, &buf->f_basetype[i]); | ||
1382 | error |= __put_user(0, &buf->f_flag); | ||
1383 | error |= __put_user(kbuf.f_namelen, &buf->f_namemax); | ||
1384 | for (i = 0; i < 32; i++) | ||
1385 | error |= __put_user(0, &buf->f_fstr[i]); | ||
1386 | |||
1387 | dput_and_out: | ||
1388 | path_put(&nd.path); | ||
1389 | out: | ||
1390 | return error; | ||
1391 | } | ||
1392 | |||
1393 | asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs __user *buf) | ||
1394 | { | ||
1395 | struct kstatfs kbuf; | ||
1396 | struct file *file; | ||
1397 | int error, i; | ||
1398 | |||
1399 | printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n", | ||
1400 | current->comm, current->pid, fd, buf); | ||
1401 | |||
1402 | if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) | ||
1403 | return -EFAULT; | ||
1404 | |||
1405 | if (!(file = fget(fd))) { | ||
1406 | error = -EBADF; | ||
1407 | goto out; | ||
1408 | } | ||
1409 | error = vfs_statfs(file->f_path.dentry, &kbuf); | ||
1410 | if (error) | ||
1411 | goto out_f; | ||
1412 | |||
1413 | error = __put_user(kbuf.f_bsize, &buf->f_bsize); | ||
1414 | error |= __put_user(kbuf.f_frsize, &buf->f_frsize); | ||
1415 | error |= __put_user(kbuf.f_blocks, &buf->f_blocks); | ||
1416 | error |= __put_user(kbuf.f_bfree, &buf->f_bfree); | ||
1417 | error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */ | ||
1418 | error |= __put_user(kbuf.f_files, &buf->f_files); | ||
1419 | error |= __put_user(kbuf.f_ffree, &buf->f_ffree); | ||
1420 | error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */ | ||
1421 | #ifdef __MIPSEB__ | ||
1422 | error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid); | ||
1423 | #else | ||
1424 | error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid); | ||
1425 | #endif | ||
1426 | for(i = 0; i < 16; i++) | ||
1427 | error |= __put_user(0, &buf->f_basetype[i]); | ||
1428 | error |= __put_user(0, &buf->f_flag); | ||
1429 | error |= __put_user(kbuf.f_namelen, &buf->f_namemax); | ||
1430 | error |= __clear_user(&buf->f_fstr, sizeof(buf->f_fstr)) ? -EFAULT : 0; | ||
1431 | |||
1432 | out_f: | ||
1433 | fput(file); | ||
1434 | out: | ||
1435 | return error; | ||
1436 | } | ||
1437 | |||
1438 | asmlinkage int irix_priocntl(struct pt_regs *regs) | ||
1439 | { | ||
1440 | printk("[%s:%d] Wheee.. irix_priocntl()\n", | ||
1441 | current->comm, current->pid); | ||
1442 | |||
1443 | return -EINVAL; | ||
1444 | } | ||
1445 | |||
1446 | asmlinkage int irix_sigqueue(int pid, int sig, int code, int val) | ||
1447 | { | ||
1448 | printk("[%s:%d] Wheee.. irix_sigqueue(%d,%d,%d,%d)\n", | ||
1449 | current->comm, current->pid, pid, sig, code, val); | ||
1450 | |||
1451 | return -EINVAL; | ||
1452 | } | ||
1453 | |||
1454 | asmlinkage int irix_truncate64(char __user *name, int pad, int size1, int size2) | ||
1455 | { | ||
1456 | int retval; | ||
1457 | |||
1458 | if (size1) { | ||
1459 | retval = -EINVAL; | ||
1460 | goto out; | ||
1461 | } | ||
1462 | retval = sys_truncate(name, size2); | ||
1463 | |||
1464 | out: | ||
1465 | return retval; | ||
1466 | } | ||
1467 | |||
1468 | asmlinkage int irix_ftruncate64(int fd, int pad, int size1, int size2) | ||
1469 | { | ||
1470 | int retval; | ||
1471 | |||
1472 | if (size1) { | ||
1473 | retval = -EINVAL; | ||
1474 | goto out; | ||
1475 | } | ||
1476 | retval = sys_ftruncate(fd, size2); | ||
1477 | |||
1478 | out: | ||
1479 | return retval; | ||
1480 | } | ||
1481 | |||
1482 | asmlinkage int irix_mmap64(struct pt_regs *regs) | ||
1483 | { | ||
1484 | int len, prot, flags, fd, off1, off2, error, base = 0; | ||
1485 | unsigned long addr, pgoff, *sp; | ||
1486 | struct file *file = NULL; | ||
1487 | int err; | ||
1488 | |||
1489 | if (regs->regs[2] == 1000) | ||
1490 | base = 1; | ||
1491 | sp = (unsigned long *) (regs->regs[29] + 16); | ||
1492 | addr = regs->regs[base + 4]; | ||
1493 | len = regs->regs[base + 5]; | ||
1494 | prot = regs->regs[base + 6]; | ||
1495 | if (!base) { | ||
1496 | flags = regs->regs[base + 7]; | ||
1497 | if (!access_ok(VERIFY_READ, sp, (4 * sizeof(unsigned long)))) | ||
1498 | return -EFAULT; | ||
1499 | fd = sp[0]; | ||
1500 | err = __get_user(off1, &sp[1]); | ||
1501 | err |= __get_user(off2, &sp[2]); | ||
1502 | } else { | ||
1503 | if (!access_ok(VERIFY_READ, sp, (5 * sizeof(unsigned long)))) | ||
1504 | return -EFAULT; | ||
1505 | err = __get_user(flags, &sp[0]); | ||
1506 | err |= __get_user(fd, &sp[1]); | ||
1507 | err |= __get_user(off1, &sp[2]); | ||
1508 | err |= __get_user(off2, &sp[3]); | ||
1509 | } | ||
1510 | |||
1511 | if (err) | ||
1512 | return err; | ||
1513 | |||
1514 | if (off1 & PAGE_MASK) | ||
1515 | return -EOVERFLOW; | ||
1516 | |||
1517 | pgoff = (off1 << (32 - PAGE_SHIFT)) | (off2 >> PAGE_SHIFT); | ||
1518 | |||
1519 | if (!(flags & MAP_ANONYMOUS)) { | ||
1520 | if (!(file = fget(fd))) | ||
1521 | return -EBADF; | ||
1522 | |||
1523 | /* Ok, bad taste hack follows, try to think in something else | ||
1524 | when reading this */ | ||
1525 | if (flags & IRIX_MAP_AUTOGROW) { | ||
1526 | unsigned long old_pos; | ||
1527 | long max_size = off2 + len; | ||
1528 | |||
1529 | if (max_size > file->f_path.dentry->d_inode->i_size) { | ||
1530 | old_pos = sys_lseek(fd, max_size - 1, 0); | ||
1531 | sys_write(fd, (void __user *) "", 1); | ||
1532 | sys_lseek(fd, old_pos, 0); | ||
1533 | } | ||
1534 | } | ||
1535 | } | ||
1536 | |||
1537 | flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); | ||
1538 | |||
1539 | down_write(¤t->mm->mmap_sem); | ||
1540 | error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); | ||
1541 | up_write(¤t->mm->mmap_sem); | ||
1542 | |||
1543 | if (file) | ||
1544 | fput(file); | ||
1545 | |||
1546 | return error; | ||
1547 | } | ||
1548 | |||
1549 | asmlinkage int irix_dmi(struct pt_regs *regs) | ||
1550 | { | ||
1551 | printk("[%s:%d] Wheee.. irix_dmi()\n", | ||
1552 | current->comm, current->pid); | ||
1553 | |||
1554 | return -EINVAL; | ||
1555 | } | ||
1556 | |||
1557 | asmlinkage int irix_pread(int fd, char __user *buf, int cnt, int off64, | ||
1558 | int off1, int off2) | ||
1559 | { | ||
1560 | printk("[%s:%d] Wheee.. irix_pread(%d,%p,%d,%d,%d,%d)\n", | ||
1561 | current->comm, current->pid, fd, buf, cnt, off64, off1, off2); | ||
1562 | |||
1563 | return -EINVAL; | ||
1564 | } | ||
1565 | |||
1566 | asmlinkage int irix_pwrite(int fd, char __user *buf, int cnt, int off64, | ||
1567 | int off1, int off2) | ||
1568 | { | ||
1569 | printk("[%s:%d] Wheee.. irix_pwrite(%d,%p,%d,%d,%d,%d)\n", | ||
1570 | current->comm, current->pid, fd, buf, cnt, off64, off1, off2); | ||
1571 | |||
1572 | return -EINVAL; | ||
1573 | } | ||
1574 | |||
1575 | asmlinkage int irix_sgifastpath(int cmd, unsigned long arg0, unsigned long arg1, | ||
1576 | unsigned long arg2, unsigned long arg3, | ||
1577 | unsigned long arg4, unsigned long arg5) | ||
1578 | { | ||
1579 | printk("[%s:%d] Wheee.. irix_fastpath(%d,%08lx,%08lx,%08lx,%08lx," | ||
1580 | "%08lx,%08lx)\n", | ||
1581 | current->comm, current->pid, cmd, arg0, arg1, arg2, | ||
1582 | arg3, arg4, arg5); | ||
1583 | |||
1584 | return -EINVAL; | ||
1585 | } | ||
1586 | |||
1587 | struct irix_statvfs64 { | ||
1588 | u32 f_bsize; u32 f_frsize; | ||
1589 | u64 f_blocks; u64 f_bfree; u64 f_bavail; | ||
1590 | u64 f_files; u64 f_ffree; u64 f_favail; | ||
1591 | u32 f_fsid; | ||
1592 | char f_basetype[16]; | ||
1593 | u32 f_flag; u32 f_namemax; | ||
1594 | char f_fstr[32]; | ||
1595 | u32 f_filler[16]; | ||
1596 | }; | ||
1597 | |||
1598 | asmlinkage int irix_statvfs64(char __user *fname, struct irix_statvfs64 __user *buf) | ||
1599 | { | ||
1600 | struct nameidata nd; | ||
1601 | struct kstatfs kbuf; | ||
1602 | int error, i; | ||
1603 | |||
1604 | printk("[%s:%d] Wheee.. irix_statvfs64(%s,%p)\n", | ||
1605 | current->comm, current->pid, fname, buf); | ||
1606 | if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs64))) { | ||
1607 | error = -EFAULT; | ||
1608 | goto out; | ||
1609 | } | ||
1610 | |||
1611 | error = user_path_walk(fname, &nd); | ||
1612 | if (error) | ||
1613 | goto out; | ||
1614 | error = vfs_statfs(nd.path.dentry, &kbuf); | ||
1615 | if (error) | ||
1616 | goto dput_and_out; | ||
1617 | |||
1618 | error = __put_user(kbuf.f_bsize, &buf->f_bsize); | ||
1619 | error |= __put_user(kbuf.f_frsize, &buf->f_frsize); | ||
1620 | error |= __put_user(kbuf.f_blocks, &buf->f_blocks); | ||
1621 | error |= __put_user(kbuf.f_bfree, &buf->f_bfree); | ||
1622 | error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */ | ||
1623 | error |= __put_user(kbuf.f_files, &buf->f_files); | ||
1624 | error |= __put_user(kbuf.f_ffree, &buf->f_ffree); | ||
1625 | error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */ | ||
1626 | #ifdef __MIPSEB__ | ||
1627 | error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid); | ||
1628 | #else | ||
1629 | error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid); | ||
1630 | #endif | ||
1631 | for(i = 0; i < 16; i++) | ||
1632 | error |= __put_user(0, &buf->f_basetype[i]); | ||
1633 | error |= __put_user(0, &buf->f_flag); | ||
1634 | error |= __put_user(kbuf.f_namelen, &buf->f_namemax); | ||
1635 | for(i = 0; i < 32; i++) | ||
1636 | error |= __put_user(0, &buf->f_fstr[i]); | ||
1637 | |||
1638 | dput_and_out: | ||
1639 | path_put(&nd.path); | ||
1640 | out: | ||
1641 | return error; | ||
1642 | } | ||
1643 | |||
1644 | asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs __user *buf) | ||
1645 | { | ||
1646 | struct kstatfs kbuf; | ||
1647 | struct file *file; | ||
1648 | int error, i; | ||
1649 | |||
1650 | printk("[%s:%d] Wheee.. irix_fstatvfs64(%d,%p)\n", | ||
1651 | current->comm, current->pid, fd, buf); | ||
1652 | |||
1653 | if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) { | ||
1654 | error = -EFAULT; | ||
1655 | goto out; | ||
1656 | } | ||
1657 | if (!(file = fget(fd))) { | ||
1658 | error = -EBADF; | ||
1659 | goto out; | ||
1660 | } | ||
1661 | error = vfs_statfs(file->f_path.dentry, &kbuf); | ||
1662 | if (error) | ||
1663 | goto out_f; | ||
1664 | |||
1665 | error = __put_user(kbuf.f_bsize, &buf->f_bsize); | ||
1666 | error |= __put_user(kbuf.f_frsize, &buf->f_frsize); | ||
1667 | error |= __put_user(kbuf.f_blocks, &buf->f_blocks); | ||
1668 | error |= __put_user(kbuf.f_bfree, &buf->f_bfree); | ||
1669 | error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */ | ||
1670 | error |= __put_user(kbuf.f_files, &buf->f_files); | ||
1671 | error |= __put_user(kbuf.f_ffree, &buf->f_ffree); | ||
1672 | error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */ | ||
1673 | #ifdef __MIPSEB__ | ||
1674 | error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid); | ||
1675 | #else | ||
1676 | error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid); | ||
1677 | #endif | ||
1678 | for(i = 0; i < 16; i++) | ||
1679 | error |= __put_user(0, &buf->f_basetype[i]); | ||
1680 | error |= __put_user(0, &buf->f_flag); | ||
1681 | error |= __put_user(kbuf.f_namelen, &buf->f_namemax); | ||
1682 | error |= __clear_user(buf->f_fstr, sizeof(buf->f_fstr[i])) ? -EFAULT : 0; | ||
1683 | |||
1684 | out_f: | ||
1685 | fput(file); | ||
1686 | out: | ||
1687 | return error; | ||
1688 | } | ||
1689 | |||
1690 | asmlinkage int irix_getmountid(char __user *fname, unsigned long __user *midbuf) | ||
1691 | { | ||
1692 | int err; | ||
1693 | |||
1694 | printk("[%s:%d] irix_getmountid(%s, %p)\n", | ||
1695 | current->comm, current->pid, fname, midbuf); | ||
1696 | if (!access_ok(VERIFY_WRITE, midbuf, (sizeof(unsigned long) * 4))) | ||
1697 | return -EFAULT; | ||
1698 | |||
1699 | /* | ||
1700 | * The idea with this system call is that when trying to determine | ||
1701 | * 'pwd' and it's a toss-up for some reason, userland can use the | ||
1702 | * fsid of the filesystem to try and make the right decision, but | ||
1703 | * we don't have this so for now. XXX | ||
1704 | */ | ||
1705 | err = __put_user(0, &midbuf[0]); | ||
1706 | err |= __put_user(0, &midbuf[1]); | ||
1707 | err |= __put_user(0, &midbuf[2]); | ||
1708 | err |= __put_user(0, &midbuf[3]); | ||
1709 | |||
1710 | return err; | ||
1711 | } | ||
1712 | |||
1713 | asmlinkage int irix_nsproc(unsigned long entry, unsigned long mask, | ||
1714 | unsigned long arg, unsigned long sp, int slen) | ||
1715 | { | ||
1716 | printk("[%s:%d] Wheee.. irix_nsproc(%08lx,%08lx,%08lx,%08lx,%d)\n", | ||
1717 | current->comm, current->pid, entry, mask, arg, sp, slen); | ||
1718 | |||
1719 | return -EINVAL; | ||
1720 | } | ||
1721 | |||
1722 | #undef DEBUG_GETDENTS | ||
1723 | |||
1724 | struct irix_dirent32 { | ||
1725 | u32 d_ino; | ||
1726 | u32 d_off; | ||
1727 | unsigned short d_reclen; | ||
1728 | char d_name[1]; | ||
1729 | }; | ||
1730 | |||
1731 | struct irix_dirent32_callback { | ||
1732 | struct irix_dirent32 __user *current_dir; | ||
1733 | struct irix_dirent32 __user *previous; | ||
1734 | int count; | ||
1735 | int error; | ||
1736 | }; | ||
1737 | |||
1738 | #define NAME_OFFSET32(de) ((int) ((de)->d_name - (char *) (de))) | ||
1739 | #define ROUND_UP32(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1)) | ||
1740 | |||
1741 | static int irix_filldir32(void *__buf, const char *name, | ||
1742 | int namlen, loff_t offset, u64 ino, unsigned int d_type) | ||
1743 | { | ||
1744 | struct irix_dirent32 __user *dirent; | ||
1745 | struct irix_dirent32_callback *buf = __buf; | ||
1746 | unsigned short reclen = ROUND_UP32(NAME_OFFSET32(dirent) + namlen + 1); | ||
1747 | int err = 0; | ||
1748 | u32 d_ino; | ||
1749 | |||
1750 | #ifdef DEBUG_GETDENTS | ||
1751 | printk("\nirix_filldir32[reclen<%d>namlen<%d>count<%d>]", | ||
1752 | reclen, namlen, buf->count); | ||
1753 | #endif | ||
1754 | buf->error = -EINVAL; /* only used if we fail.. */ | ||
1755 | if (reclen > buf->count) | ||
1756 | return -EINVAL; | ||
1757 | d_ino = ino; | ||
1758 | if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) | ||
1759 | return -EOVERFLOW; | ||
1760 | dirent = buf->previous; | ||
1761 | if (dirent) | ||
1762 | err = __put_user(offset, &dirent->d_off); | ||
1763 | dirent = buf->current_dir; | ||
1764 | err |= __put_user(dirent, &buf->previous); | ||
1765 | err |= __put_user(d_ino, &dirent->d_ino); | ||
1766 | err |= __put_user(reclen, &dirent->d_reclen); | ||
1767 | err |= copy_to_user((char __user *)dirent->d_name, name, namlen) ? -EFAULT : 0; | ||
1768 | err |= __put_user(0, &dirent->d_name[namlen]); | ||
1769 | dirent = (struct irix_dirent32 __user *) ((char __user *) dirent + reclen); | ||
1770 | |||
1771 | buf->current_dir = dirent; | ||
1772 | buf->count -= reclen; | ||
1773 | |||
1774 | return err; | ||
1775 | } | ||
1776 | |||
1777 | asmlinkage int irix_ngetdents(unsigned int fd, void __user * dirent, | ||
1778 | unsigned int count, int __user *eob) | ||
1779 | { | ||
1780 | struct file *file; | ||
1781 | struct irix_dirent32 __user *lastdirent; | ||
1782 | struct irix_dirent32_callback buf; | ||
1783 | int error; | ||
1784 | |||
1785 | #ifdef DEBUG_GETDENTS | ||
1786 | printk("[%s:%d] ngetdents(%d, %p, %d, %p) ", current->comm, | ||
1787 | current->pid, fd, dirent, count, eob); | ||
1788 | #endif | ||
1789 | error = -EBADF; | ||
1790 | file = fget(fd); | ||
1791 | if (!file) | ||
1792 | goto out; | ||
1793 | |||
1794 | buf.current_dir = (struct irix_dirent32 __user *) dirent; | ||
1795 | buf.previous = NULL; | ||
1796 | buf.count = count; | ||
1797 | buf.error = 0; | ||
1798 | |||
1799 | error = vfs_readdir(file, irix_filldir32, &buf); | ||
1800 | if (error < 0) | ||
1801 | goto out_putf; | ||
1802 | |||
1803 | error = buf.error; | ||
1804 | lastdirent = buf.previous; | ||
1805 | if (lastdirent) { | ||
1806 | put_user(file->f_pos, &lastdirent->d_off); | ||
1807 | error = count - buf.count; | ||
1808 | } | ||
1809 | |||
1810 | if (put_user(0, eob) < 0) { | ||
1811 | error = -EFAULT; | ||
1812 | goto out_putf; | ||
1813 | } | ||
1814 | |||
1815 | #ifdef DEBUG_GETDENTS | ||
1816 | printk("eob=%d returning %d\n", *eob, count - buf.count); | ||
1817 | #endif | ||
1818 | error = count - buf.count; | ||
1819 | |||
1820 | out_putf: | ||
1821 | fput(file); | ||
1822 | out: | ||
1823 | return error; | ||
1824 | } | ||
1825 | |||
1826 | struct irix_dirent64 { | ||
1827 | u64 d_ino; | ||
1828 | u64 d_off; | ||
1829 | unsigned short d_reclen; | ||
1830 | char d_name[1]; | ||
1831 | }; | ||
1832 | |||
1833 | struct irix_dirent64_callback { | ||
1834 | struct irix_dirent64 __user *curr; | ||
1835 | struct irix_dirent64 __user *previous; | ||
1836 | int count; | ||
1837 | int error; | ||
1838 | }; | ||
1839 | |||
1840 | #define NAME_OFFSET64(de) ((int) ((de)->d_name - (char *) (de))) | ||
1841 | #define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1)) | ||
1842 | |||
1843 | static int irix_filldir64(void *__buf, const char *name, | ||
1844 | int namlen, loff_t offset, u64 ino, unsigned int d_type) | ||
1845 | { | ||
1846 | struct irix_dirent64 __user *dirent; | ||
1847 | struct irix_dirent64_callback * buf = __buf; | ||
1848 | unsigned short reclen = ROUND_UP64(NAME_OFFSET64(dirent) + namlen + 1); | ||
1849 | int err = 0; | ||
1850 | |||
1851 | if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf))) | ||
1852 | return -EFAULT; | ||
1853 | |||
1854 | if (__put_user(-EINVAL, &buf->error)) /* only used if we fail.. */ | ||
1855 | return -EFAULT; | ||
1856 | if (reclen > buf->count) | ||
1857 | return -EINVAL; | ||
1858 | dirent = buf->previous; | ||
1859 | if (dirent) | ||
1860 | err = __put_user(offset, &dirent->d_off); | ||
1861 | dirent = buf->curr; | ||
1862 | buf->previous = dirent; | ||
1863 | err |= __put_user(ino, &dirent->d_ino); | ||
1864 | err |= __put_user(reclen, &dirent->d_reclen); | ||
1865 | err |= __copy_to_user((char __user *)dirent->d_name, name, namlen) | ||
1866 | ? -EFAULT : 0; | ||
1867 | err |= __put_user(0, &dirent->d_name[namlen]); | ||
1868 | |||
1869 | dirent = (struct irix_dirent64 __user *) ((char __user *) dirent + reclen); | ||
1870 | |||
1871 | buf->curr = dirent; | ||
1872 | buf->count -= reclen; | ||
1873 | |||
1874 | return err; | ||
1875 | } | ||
1876 | |||
1877 | asmlinkage int irix_getdents64(int fd, void __user *dirent, int cnt) | ||
1878 | { | ||
1879 | struct file *file; | ||
1880 | struct irix_dirent64 __user *lastdirent; | ||
1881 | struct irix_dirent64_callback buf; | ||
1882 | int error; | ||
1883 | |||
1884 | #ifdef DEBUG_GETDENTS | ||
1885 | printk("[%s:%d] getdents64(%d, %p, %d) ", current->comm, | ||
1886 | current->pid, fd, dirent, cnt); | ||
1887 | #endif | ||
1888 | error = -EBADF; | ||
1889 | if (!(file = fget(fd))) | ||
1890 | goto out; | ||
1891 | |||
1892 | error = -EFAULT; | ||
1893 | if (!access_ok(VERIFY_WRITE, dirent, cnt)) | ||
1894 | goto out_f; | ||
1895 | |||
1896 | error = -EINVAL; | ||
1897 | if (cnt < (sizeof(struct irix_dirent64) + 255)) | ||
1898 | goto out_f; | ||
1899 | |||
1900 | buf.curr = (struct irix_dirent64 __user *) dirent; | ||
1901 | buf.previous = NULL; | ||
1902 | buf.count = cnt; | ||
1903 | buf.error = 0; | ||
1904 | error = vfs_readdir(file, irix_filldir64, &buf); | ||
1905 | if (error < 0) | ||
1906 | goto out_f; | ||
1907 | lastdirent = buf.previous; | ||
1908 | if (!lastdirent) { | ||
1909 | error = buf.error; | ||
1910 | goto out_f; | ||
1911 | } | ||
1912 | if (put_user(file->f_pos, &lastdirent->d_off)) | ||
1913 | return -EFAULT; | ||
1914 | #ifdef DEBUG_GETDENTS | ||
1915 | printk("returning %d\n", cnt - buf.count); | ||
1916 | #endif | ||
1917 | error = cnt - buf.count; | ||
1918 | |||
1919 | out_f: | ||
1920 | fput(file); | ||
1921 | out: | ||
1922 | return error; | ||
1923 | } | ||
1924 | |||
1925 | asmlinkage int irix_ngetdents64(int fd, void __user *dirent, int cnt, int *eob) | ||
1926 | { | ||
1927 | struct file *file; | ||
1928 | struct irix_dirent64 __user *lastdirent; | ||
1929 | struct irix_dirent64_callback buf; | ||
1930 | int error; | ||
1931 | |||
1932 | #ifdef DEBUG_GETDENTS | ||
1933 | printk("[%s:%d] ngetdents64(%d, %p, %d) ", current->comm, | ||
1934 | current->pid, fd, dirent, cnt); | ||
1935 | #endif | ||
1936 | error = -EBADF; | ||
1937 | if (!(file = fget(fd))) | ||
1938 | goto out; | ||
1939 | |||
1940 | error = -EFAULT; | ||
1941 | if (!access_ok(VERIFY_WRITE, dirent, cnt) || | ||
1942 | !access_ok(VERIFY_WRITE, eob, sizeof(*eob))) | ||
1943 | goto out_f; | ||
1944 | |||
1945 | error = -EINVAL; | ||
1946 | if (cnt < (sizeof(struct irix_dirent64) + 255)) | ||
1947 | goto out_f; | ||
1948 | |||
1949 | *eob = 0; | ||
1950 | buf.curr = (struct irix_dirent64 __user *) dirent; | ||
1951 | buf.previous = NULL; | ||
1952 | buf.count = cnt; | ||
1953 | buf.error = 0; | ||
1954 | error = vfs_readdir(file, irix_filldir64, &buf); | ||
1955 | if (error < 0) | ||
1956 | goto out_f; | ||
1957 | lastdirent = buf.previous; | ||
1958 | if (!lastdirent) { | ||
1959 | error = buf.error; | ||
1960 | goto out_f; | ||
1961 | } | ||
1962 | if (put_user(file->f_pos, &lastdirent->d_off)) | ||
1963 | return -EFAULT; | ||
1964 | #ifdef DEBUG_GETDENTS | ||
1965 | printk("eob=%d returning %d\n", *eob, cnt - buf.count); | ||
1966 | #endif | ||
1967 | error = cnt - buf.count; | ||
1968 | |||
1969 | out_f: | ||
1970 | fput(file); | ||
1971 | out: | ||
1972 | return error; | ||
1973 | } | ||
1974 | |||
1975 | asmlinkage int irix_uadmin(unsigned long op, unsigned long func, unsigned long arg) | ||
1976 | { | ||
1977 | int retval; | ||
1978 | |||
1979 | switch (op) { | ||
1980 | case 1: | ||
1981 | /* Reboot */ | ||
1982 | printk("[%s:%d] irix_uadmin: Wants to reboot...\n", | ||
1983 | current->comm, current->pid); | ||
1984 | retval = -EINVAL; | ||
1985 | goto out; | ||
1986 | |||
1987 | case 2: | ||
1988 | /* Shutdown */ | ||
1989 | printk("[%s:%d] irix_uadmin: Wants to shutdown...\n", | ||
1990 | current->comm, current->pid); | ||
1991 | retval = -EINVAL; | ||
1992 | goto out; | ||
1993 | |||
1994 | case 4: | ||
1995 | /* Remount-root */ | ||
1996 | printk("[%s:%d] irix_uadmin: Wants to remount root...\n", | ||
1997 | current->comm, current->pid); | ||
1998 | retval = -EINVAL; | ||
1999 | goto out; | ||
2000 | |||
2001 | case 8: | ||
2002 | /* Kill all tasks. */ | ||
2003 | printk("[%s:%d] irix_uadmin: Wants to kill all tasks...\n", | ||
2004 | current->comm, current->pid); | ||
2005 | retval = -EINVAL; | ||
2006 | goto out; | ||
2007 | |||
2008 | case 256: | ||
2009 | /* Set magic mushrooms... */ | ||
2010 | printk("[%s:%d] irix_uadmin: Wants to set magic mushroom[%d]...\n", | ||
2011 | current->comm, current->pid, (int) func); | ||
2012 | retval = -EINVAL; | ||
2013 | goto out; | ||
2014 | |||
2015 | default: | ||
2016 | printk("[%s:%d] irix_uadmin: Unknown operation [%d]...\n", | ||
2017 | current->comm, current->pid, (int) op); | ||
2018 | retval = -EINVAL; | ||
2019 | goto out; | ||
2020 | }; | ||
2021 | |||
2022 | out: | ||
2023 | return retval; | ||
2024 | } | ||
2025 | |||
2026 | asmlinkage int irix_utssys(char __user *inbuf, int arg, int type, char __user *outbuf) | ||
2027 | { | ||
2028 | int retval; | ||
2029 | |||
2030 | switch(type) { | ||
2031 | case 0: | ||
2032 | /* uname() */ | ||
2033 | retval = irix_uname((struct iuname __user *)inbuf); | ||
2034 | goto out; | ||
2035 | |||
2036 | case 2: | ||
2037 | /* ustat() */ | ||
2038 | printk("[%s:%d] irix_utssys: Wants to do ustat()\n", | ||
2039 | current->comm, current->pid); | ||
2040 | retval = -EINVAL; | ||
2041 | goto out; | ||
2042 | |||
2043 | case 3: | ||
2044 | /* fusers() */ | ||
2045 | printk("[%s:%d] irix_utssys: Wants to do fusers()\n", | ||
2046 | current->comm, current->pid); | ||
2047 | retval = -EINVAL; | ||
2048 | goto out; | ||
2049 | |||
2050 | default: | ||
2051 | printk("[%s:%d] irix_utssys: Wants to do unknown type[%d]\n", | ||
2052 | current->comm, current->pid, (int) type); | ||
2053 | retval = -EINVAL; | ||
2054 | goto out; | ||
2055 | } | ||
2056 | |||
2057 | out: | ||
2058 | return retval; | ||
2059 | } | ||
2060 | |||
2061 | #undef DEBUG_FCNTL | ||
2062 | |||
2063 | #define IRIX_F_ALLOCSP 10 | ||
2064 | |||
2065 | asmlinkage int irix_fcntl(int fd, int cmd, int arg) | ||
2066 | { | ||
2067 | int retval; | ||
2068 | |||
2069 | #ifdef DEBUG_FCNTL | ||
2070 | printk("[%s:%d] irix_fcntl(%d, %d, %d) ", current->comm, | ||
2071 | current->pid, fd, cmd, arg); | ||
2072 | #endif | ||
2073 | if (cmd == IRIX_F_ALLOCSP){ | ||
2074 | return 0; | ||
2075 | } | ||
2076 | retval = sys_fcntl(fd, cmd, arg); | ||
2077 | #ifdef DEBUG_FCNTL | ||
2078 | printk("%d\n", retval); | ||
2079 | #endif | ||
2080 | return retval; | ||
2081 | } | ||
2082 | |||
2083 | asmlinkage int irix_ulimit(int cmd, int arg) | ||
2084 | { | ||
2085 | int retval; | ||
2086 | |||
2087 | switch(cmd) { | ||
2088 | case 1: | ||
2089 | printk("[%s:%d] irix_ulimit: Wants to get file size limit.\n", | ||
2090 | current->comm, current->pid); | ||
2091 | retval = -EINVAL; | ||
2092 | goto out; | ||
2093 | |||
2094 | case 2: | ||
2095 | printk("[%s:%d] irix_ulimit: Wants to set file size limit.\n", | ||
2096 | current->comm, current->pid); | ||
2097 | retval = -EINVAL; | ||
2098 | goto out; | ||
2099 | |||
2100 | case 3: | ||
2101 | printk("[%s:%d] irix_ulimit: Wants to get brk limit.\n", | ||
2102 | current->comm, current->pid); | ||
2103 | retval = -EINVAL; | ||
2104 | goto out; | ||
2105 | |||
2106 | case 4: | ||
2107 | #if 0 | ||
2108 | printk("[%s:%d] irix_ulimit: Wants to get fd limit.\n", | ||
2109 | current->comm, current->pid); | ||
2110 | retval = -EINVAL; | ||
2111 | goto out; | ||
2112 | #endif | ||
2113 | retval = current->signal->rlim[RLIMIT_NOFILE].rlim_cur; | ||
2114 | goto out; | ||
2115 | |||
2116 | case 5: | ||
2117 | printk("[%s:%d] irix_ulimit: Wants to get txt offset.\n", | ||
2118 | current->comm, current->pid); | ||
2119 | retval = -EINVAL; | ||
2120 | goto out; | ||
2121 | |||
2122 | default: | ||
2123 | printk("[%s:%d] irix_ulimit: Unknown command [%d].\n", | ||
2124 | current->comm, current->pid, cmd); | ||
2125 | retval = -EINVAL; | ||
2126 | goto out; | ||
2127 | } | ||
2128 | out: | ||
2129 | return retval; | ||
2130 | } | ||
2131 | |||
2132 | asmlinkage int irix_unimp(struct pt_regs *regs) | ||
2133 | { | ||
2134 | printk("irix_unimp [%s:%d] v0=%d v1=%d a0=%08lx a1=%08lx a2=%08lx " | ||
2135 | "a3=%08lx\n", current->comm, current->pid, | ||
2136 | (int) regs->regs[2], (int) regs->regs[3], | ||
2137 | regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]); | ||
2138 | |||
2139 | return -ENOSYS; | ||
2140 | } | ||