2 * sysirix.c: IRIX system call emulation.
4 * Copyright (C) 1996 David S. Miller
5 * Copyright (C) 1997 Miguel de Icaza
6 * Copyright (C) 1997, 1998, 1999, 2000 Ralf Baechle
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>
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/vs_cvirt.h>
36 #include <asm/ptrace.h>
38 #include <asm/uaccess.h>
39 #include <asm/inventory.h>
41 /* 2,191 lines of complete and utter shit coming up... */
43 extern int max_threads;
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. */
50 asmlinkage int irix_sysmp(struct pt_regs *regs)
56 if(regs->regs[2] == 1000)
58 cmd = regs->regs[base + 4];
65 error = num_online_cpus();
68 printk("SYSMP[%s:%d]: Unsupported opcode %d\n",
69 current->comm, current->pid, (int)cmd);
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] */
95 asmlinkage int irix_prctl(unsigned option, ...)
100 va_start(args, option);
103 printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
104 current->comm, current->pid);
109 struct task_struct *task;
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_pid(va_arg(args, pid_t));
117 error = (task->run_list.next != NULL);
118 read_unlock(&tasklist_lock);
119 /* Can _your_ OS find this out that fast? */
123 case PR_SETSTACKSIZE: {
124 long value = va_arg(args, long);
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);
138 task_lock(current->group_leader);
139 if (value > current->signal->rlim[RLIMIT_STACK].rlim_max) {
141 task_unlock(current->group_leader);
144 current->signal->rlim[RLIMIT_STACK].rlim_cur = value;
145 task_unlock(current->group_leader);
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;
157 printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
158 current->comm, current->pid);
163 printk("irix_prctl[%s:%d]: Wants PR_UNBLKONEXEC\n",
164 current->comm, current->pid);
169 printk("irix_prctl[%s:%d]: Wants PR_SETEXITSIG\n",
170 current->comm, current->pid);
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().
180 printk("irix_prctl[%s:%d]: Wants PR_RESIDENT\n",
181 current->comm, current->pid);
182 error = 0; /* Compatibility indeed. */
186 printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDR\n",
187 current->comm, current->pid);
192 printk("irix_prctl[%s:%d]: Wants PR_DETACHADDR\n",
193 current->comm, current->pid);
198 printk("irix_prctl[%s:%d]: Wants PR_TERMCHILD\n",
199 current->comm, current->pid);
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. */
210 error = 0; /* Until I have the sproc() stuff in. */
214 printk("irix_prctl[%s:%d]: Wants PR_COREPID\n",
215 current->comm, current->pid);
219 case PR_ATTACHADDRPERM:
220 printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDRPERM\n",
221 current->comm, current->pid);
226 printk("irix_prctl[%s:%d]: Non-existant opcode %d\n",
227 current->comm, current->pid, option);
236 #undef DEBUG_PROCGRPS
238 extern unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt);
239 extern int getrusage(struct task_struct *p, int who, struct rusage __user *ru);
240 extern char *prom_getenv(char *name);
241 extern long prom_setenv(char *name, char *value);
243 /* The syssgi commands supported thus far. */
244 #define SGI_SYSID 1 /* Return unique per-machine identifier. */
245 #define SGI_INVENT 5 /* Fetch inventory */
246 # define SGI_INV_SIZEOF 1
247 # define SGI_INV_READ 2
248 #define SGI_RDNAME 6 /* Return string name of a process. */
249 #define SGI_SETNVRAM 8 /* Set PROM variable. */
250 #define SGI_GETNVRAM 9 /* Get PROM variable. */
251 #define SGI_SETPGID 21 /* Set process group id. */
252 #define SGI_SYSCONF 22 /* POSIX sysconf garbage. */
253 #define SGI_PATHCONF 24 /* POSIX sysconf garbage. */
254 #define SGI_SETGROUPS 40 /* POSIX sysconf garbage. */
255 #define SGI_GETGROUPS 41 /* POSIX sysconf garbage. */
256 #define SGI_RUSAGE 56 /* BSD style rusage(). */
257 #define SGI_SSYNC 62 /* Synchronous fs sync. */
258 #define SGI_GETSID 65 /* SysVr4 get session id. */
259 #define SGI_ELFMAP 68 /* Map an elf image. */
260 #define SGI_TOSSTSAVE 108 /* Toss saved vma's. */
261 #define SGI_FP_BCOPY 129 /* Should FPU bcopy be used on this machine? */
262 #define SGI_PHYSP 1011 /* Translate virtual into physical page. */
264 asmlinkage int irix_syssgi(struct pt_regs *regs)
267 int retval, base = 0;
269 if (regs->regs[2] == 1000)
272 cmd = regs->regs[base + 4];
275 char __user *buf = (char __user *) regs->regs[base + 5];
277 /* XXX Use ethernet addr.... */
278 retval = clear_user(buf, 64) ? -EFAULT : 0;
283 int pid = (int) regs->regs[base + 5];
284 char __user *buf = (char __user *) regs->regs[base + 6];
285 struct task_struct *p;
286 char tcomm[sizeof(current->comm)];
288 read_lock(&tasklist_lock);
289 p = find_task_by_pid(pid);
291 read_unlock(&tasklist_lock);
295 get_task_comm(tcomm, p);
296 read_unlock(&tasklist_lock);
298 /* XXX Need to check sizes. */
299 retval = copy_to_user(buf, tcomm, sizeof(tcomm)) ? -EFAULT : 0;
304 char __user *name = (char __user *) regs->regs[base+5];
305 char __user *buf = (char __user *) regs->regs[base+6];
307 return -EINVAL; /* til I fix it */
308 value = prom_getenv(name); /* PROM lock? */
313 /* Do I strlen() for the length? */
314 retval = copy_to_user(buf, value, 128) ? -EFAULT : 0;
319 char __user *name = (char __user *) regs->regs[base+5];
320 char __user *value = (char __user *) regs->regs[base+6];
321 return -EINVAL; /* til I fix it */
322 retval = prom_setenv(name, value);
323 /* XXX make sure retval conforms to syssgi(2) */
324 printk("[%s:%d] setnvram(\"%s\", \"%s\"): retval %d",
325 current->comm, current->pid, name, value, retval);
326 /* if (retval == PROM_ENOENT)
333 #ifdef DEBUG_PROCGRPS
334 printk("[%s:%d] setpgid(%d, %d) ",
335 current->comm, current->pid,
336 (int) regs->regs[base + 5], (int)regs->regs[base + 6]);
338 retval = sys_setpgid(regs->regs[base + 5], regs->regs[base + 6]);
340 #ifdef DEBUG_PROCGRPS
341 printk("retval=%d\n", retval);
346 switch(regs->regs[base + 5]) {
348 retval = (MAX_ARG_PAGES >> 4); /* XXX estimate... */
351 retval = max_threads;
357 retval = NGROUPS_MAX;
395 retval = sys_setgroups((int) regs->regs[base + 5],
396 (gid_t __user *) regs->regs[base + 6]);
400 retval = sys_getgroups((int) regs->regs[base + 5],
401 (gid_t __user *) regs->regs[base + 6]);
405 struct rusage __user *ru = (struct rusage __user *) regs->regs[base + 6];
407 switch((int) regs->regs[base + 5]) {
410 retval = getrusage(current, RUSAGE_SELF, ru);
414 /* rusage children */
415 retval = getrusage(current, RUSAGE_CHILDREN, ru);
430 #ifdef DEBUG_PROCGRPS
431 printk("[%s:%d] getsid(%d) ", current->comm, current->pid,
432 (int) regs->regs[base + 5]);
434 retval = sys_getsid(regs->regs[base + 5]);
435 #ifdef DEBUG_PROCGRPS
436 printk("retval=%d\n", retval);
441 retval = irix_mapelf((int) regs->regs[base + 5],
442 (struct elf_phdr __user *) regs->regs[base + 6],
443 (int) regs->regs[base + 7]);
447 /* XXX We don't need to do anything? */
456 unsigned long addr = regs->regs[base + 5];
457 int __user *pageno = (int __user *) (regs->regs[base + 6]);
458 struct mm_struct *mm = current->mm;
464 down_read(&mm->mmap_sem);
465 pgdp = pgd_offset(mm, addr);
466 pudp = pud_offset(pgdp, addr);
467 pmdp = pmd_offset(pudp, addr);
468 ptep = pte_offset(pmdp, addr);
473 if (pte_val(pte) & (_PAGE_VALID | _PAGE_PRESENT)) {
474 /* b0rked on 64-bit */
475 retval = put_user((pte_val(pte) & PAGE_MASK) >>
479 up_read(&mm->mmap_sem);
484 int arg1 = (int) regs->regs [base + 5];
485 void __user *buffer = (void __user *) regs->regs [base + 6];
486 int count = (int) regs->regs [base + 7];
490 retval = sizeof (inventory_t);
493 retval = dump_inventory_to_user (buffer, count);
502 printk("irix_syssgi: Unsupported command %d\n", (int)cmd);
511 asmlinkage int irix_gtime(struct pt_regs *regs)
513 return get_seconds();
517 * IRIX is completely broken... it returns 0 on success, otherwise
520 asmlinkage int irix_brk(unsigned long brk)
523 unsigned long newbrk, oldbrk;
524 struct mm_struct *mm = current->mm;
527 down_write(&mm->mmap_sem);
528 if (brk < mm->end_code) {
533 newbrk = PAGE_ALIGN(brk);
534 oldbrk = PAGE_ALIGN(mm->brk);
535 if (oldbrk == newbrk) {
542 * Always allow shrinking brk
544 if (brk <= mm->brk) {
546 do_munmap(mm, newbrk, oldbrk-newbrk);
551 * Check against rlimit and stack..
553 rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
554 if (rlim >= RLIM_INFINITY)
556 if (brk - mm->end_code > rlim) {
562 * Check against existing mmap mappings.
564 if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE)) {
570 * Ok, looks good - let it rip.
572 if (do_brk(oldbrk, newbrk-oldbrk) != oldbrk) {
580 up_write(&mm->mmap_sem);
584 asmlinkage int irix_getpid(struct pt_regs *regs)
586 regs->regs[3] = current->real_parent->pid;
590 asmlinkage int irix_getuid(struct pt_regs *regs)
592 regs->regs[3] = current->euid;
596 asmlinkage int irix_getgid(struct pt_regs *regs)
598 regs->regs[3] = current->egid;
602 asmlinkage int irix_stime(int value)
609 err = security_settime(&tv, NULL);
613 write_seqlock_irq(&xtime_lock);
614 xtime.tv_sec = value;
617 write_sequnlock_irq(&xtime_lock);
622 static inline void jiffiestotv(unsigned long jiffies, struct timeval *value)
624 value->tv_usec = (jiffies % HZ) * (1000000 / HZ);
625 value->tv_sec = jiffies / HZ;
628 static inline void getitimer_real(struct itimerval *value)
630 register unsigned long val, interval;
632 interval = current->it_real_incr;
634 if (del_timer(¤t->real_timer)) {
635 unsigned long now = jiffies;
636 val = current->real_timer.expires;
637 add_timer(¤t->real_timer);
638 /* look out for negative/zero itimer.. */
643 jiffiestotv(val, &value->it_value);
644 jiffiestotv(interval, &value->it_interval);
647 asmlinkage unsigned int irix_alarm(unsigned int seconds)
649 return alarm_setitimer(seconds);
652 asmlinkage int irix_pause(void)
654 current->state = TASK_INTERRUPTIBLE;
660 /* XXX need more than this... */
661 asmlinkage int irix_mount(char __user *dev_name, char __user *dir_name,
662 unsigned long flags, char __user *type, void __user *data, int datalen)
664 printk("[%s:%d] irix_mount(%p,%p,%08lx,%p,%p,%d)\n",
665 current->comm, current->pid,
666 dev_name, dir_name, flags, type, data, datalen);
668 return sys_mount(dev_name, dir_name, type, flags, data);
673 long f_bsize, f_frsize, f_blocks, f_bfree, f_files, f_ffree;
674 char f_fname[6], f_fpack[6];
677 asmlinkage int irix_statfs(const char __user *path,
678 struct irix_statfs __user *buf, int len, int fs_type)
684 /* We don't support this feature yet. */
689 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) {
694 error = user_path_walk(path, &nd);
698 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
702 error = __put_user(kbuf.f_type, &buf->f_type);
703 error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
704 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
705 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
706 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
707 error |= __put_user(kbuf.f_files, &buf->f_files);
708 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
709 for (i = 0; i < 6; i++) {
710 error |= __put_user(0, &buf->f_fname[i]);
711 error |= __put_user(0, &buf->f_fpack[i]);
720 asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs __user *buf)
726 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) {
731 if (!(file = fget(fd))) {
736 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
740 error = __put_user(kbuf.f_type, &buf->f_type);
741 error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
742 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
743 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
744 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
745 error |= __put_user(kbuf.f_files, &buf->f_files);
746 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
748 for (i = 0; i < 6; i++) {
749 error |= __put_user(0, &buf->f_fname[i]);
750 error |= __put_user(0, &buf->f_fpack[i]);
759 asmlinkage int irix_setpgrp(int flags)
763 #ifdef DEBUG_PROCGRPS
764 printk("[%s:%d] setpgrp(%d) ", current->comm, current->pid, flags);
767 error = process_group(current);
769 error = sys_setsid();
770 #ifdef DEBUG_PROCGRPS
771 printk("returning %d\n", process_group(current));
777 asmlinkage int irix_times(struct tms __user *tbuf)
782 if (!access_ok(VERIFY_WRITE,tbuf,sizeof *tbuf))
785 err = __put_user(current->utime, &tbuf->tms_utime);
786 err |= __put_user(current->stime, &tbuf->tms_stime);
787 err |= __put_user(current->signal->cutime, &tbuf->tms_cutime);
788 err |= __put_user(current->signal->cstime, &tbuf->tms_cstime);
794 asmlinkage int irix_exec(struct pt_regs *regs)
799 if(regs->regs[2] == 1000)
801 filename = getname((char __user *) (long)regs->regs[base + 4]);
802 error = PTR_ERR(filename);
803 if (IS_ERR(filename))
806 error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5],
813 asmlinkage int irix_exece(struct pt_regs *regs)
818 if (regs->regs[2] == 1000)
820 filename = getname((char __user *) (long)regs->regs[base + 4]);
821 error = PTR_ERR(filename);
822 if (IS_ERR(filename))
824 error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5],
825 (char __user * __user *) (long)regs->regs[base + 6], regs);
831 asmlinkage unsigned long irix_gethostid(void)
833 printk("[%s:%d]: irix_gethostid() called...\n",
834 current->comm, current->pid);
839 asmlinkage unsigned long irix_sethostid(unsigned long val)
841 printk("[%s:%d]: irix_sethostid(%08lx) called...\n",
842 current->comm, current->pid, val);
847 asmlinkage int irix_socket(int family, int type, int protocol)
859 type = 9; /* Invalid... */
871 type = SOCK_SEQPACKET;
878 return sys_socket(family, type, protocol);
881 asmlinkage int irix_getdomainname(char __user *name, int len)
886 if (len > __NEW_UTS_LEN)
888 err = copy_to_user(name, vx_new_uts(domainname), len) ? -EFAULT : 0;
894 asmlinkage unsigned long irix_getpagesize(void)
899 asmlinkage int irix_msgsys(int opcode, unsigned long arg0, unsigned long arg1,
900 unsigned long arg2, unsigned long arg3,
905 return sys_msgget((key_t) arg0, (int) arg1);
907 return sys_msgctl((int) arg0, (int) arg1,
908 (struct msqid_ds __user *)arg2);
910 return sys_msgrcv((int) arg0, (struct msgbuf __user *) arg1,
911 (size_t) arg2, (long) arg3, (int) arg4);
913 return sys_msgsnd((int) arg0, (struct msgbuf __user *) arg1,
914 (size_t) arg2, (int) arg3);
920 asmlinkage int irix_shmsys(int opcode, unsigned long arg0, unsigned long arg1,
921 unsigned long arg2, unsigned long arg3)
925 return do_shmat((int) arg0, (char __user *) arg1, (int) arg2,
926 (unsigned long *) arg3);
928 return sys_shmctl((int)arg0, (int)arg1,
929 (struct shmid_ds __user *)arg2);
931 return sys_shmdt((char __user *)arg0);
933 return sys_shmget((key_t) arg0, (int) arg1, (int) arg2);
939 asmlinkage int irix_semsys(int opcode, unsigned long arg0, unsigned long arg1,
940 unsigned long arg2, int arg3)
944 return sys_semctl((int) arg0, (int) arg1, (int) arg2,
947 return sys_semget((key_t) arg0, (int) arg1, (int) arg2);
949 return sys_semop((int) arg0, (struct sembuf __user *)arg1,
950 (unsigned int) arg2);
956 static inline loff_t llseek(struct file *file, loff_t offset, int origin)
958 loff_t (*fn)(struct file *, loff_t, int);
962 if (file->f_op && file->f_op->llseek)
963 fn = file->f_op->llseek;
965 retval = fn(file, offset, origin);
971 asmlinkage int irix_lseek64(int fd, int _unused, int offhi, int offlow,
986 offset = llseek(file, ((loff_t) offhi << 32) | offlow, origin);
987 retval = (int) offset;
995 asmlinkage int irix_sginap(int ticks)
997 schedule_timeout_interruptible(ticks);
1001 asmlinkage int irix_sgikopt(char __user *istring, char __user *ostring, int len)
1006 asmlinkage int irix_gettimeofday(struct timeval __user *tv)
1012 if (!access_ok(VERIFY_WRITE, tv, sizeof(struct timeval)))
1016 seq = read_seqbegin(&xtime_lock);
1018 nsec = xtime.tv_nsec;
1019 } while (read_seqretry(&xtime_lock, seq));
1021 err = __put_user(sec, &tv->tv_sec);
1022 err |= __put_user((nsec / 1000), &tv->tv_usec);
1027 #define IRIX_MAP_AUTOGROW 0x40
1029 asmlinkage unsigned long irix_mmap32(unsigned long addr, size_t len, int prot,
1030 int flags, int fd, off_t offset)
1032 struct file *file = NULL;
1033 unsigned long retval;
1035 if (!(flags & MAP_ANONYMOUS)) {
1036 if (!(file = fget(fd)))
1039 /* Ok, bad taste hack follows, try to think in something else
1040 * when reading this. */
1041 if (flags & IRIX_MAP_AUTOGROW) {
1042 unsigned long old_pos;
1043 long max_size = offset + len;
1045 if (max_size > file->f_dentry->d_inode->i_size) {
1046 old_pos = sys_lseek (fd, max_size - 1, 0);
1047 sys_write (fd, (void __user *) "", 1);
1048 sys_lseek (fd, old_pos, 0);
1053 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
1055 down_write(¤t->mm->mmap_sem);
1056 retval = do_mmap(file, addr, len, prot, flags, offset);
1057 up_write(¤t->mm->mmap_sem);
1064 asmlinkage int irix_madvise(unsigned long addr, int len, int behavior)
1066 printk("[%s:%d] Wheee.. irix_madvise(%08lx,%d,%d)\n",
1067 current->comm, current->pid, addr, len, behavior);
1072 asmlinkage int irix_pagelock(char __user *addr, int len, int op)
1074 printk("[%s:%d] Wheee.. irix_pagelock(%p,%d,%d)\n",
1075 current->comm, current->pid, addr, len, op);
1080 asmlinkage int irix_quotactl(struct pt_regs *regs)
1082 printk("[%s:%d] Wheee.. irix_quotactl()\n",
1083 current->comm, current->pid);
1088 asmlinkage int irix_BSDsetpgrp(int pid, int pgrp)
1092 #ifdef DEBUG_PROCGRPS
1093 printk("[%s:%d] BSDsetpgrp(%d, %d) ", current->comm, current->pid,
1099 /* Wheee, weird sysv thing... */
1100 if ((pgrp == 0) && (pid == current->pid))
1101 error = sys_setsid();
1103 error = sys_setpgid(pid, pgrp);
1105 #ifdef DEBUG_PROCGRPS
1106 printk("error = %d\n", error);
1112 asmlinkage int irix_systeminfo(int cmd, char __user *buf, int cnt)
1114 printk("[%s:%d] Wheee.. irix_systeminfo(%d,%p,%d)\n",
1115 current->comm, current->pid, cmd, buf, cnt);
1121 char sysname[257], nodename[257], release[257];
1122 char version[257], machine[257];
1123 char m_type[257], base_rel[257];
1124 char _unused0[257], _unused1[257], _unused2[257];
1125 char _unused3[257], _unused4[257], _unused5[257];
1128 asmlinkage int irix_uname(struct iuname __user *buf)
1130 down_read(&uts_sem);
1131 if (copy_from_user(vx_new_uts(sysname), buf->sysname, 65)
1132 || copy_from_user(vx_new_uts(nodename), buf->nodename, 65)
1133 || copy_from_user(vx_new_uts(release), buf->release, 65)
1134 || copy_from_user(vx_new_uts(version), buf->version, 65)
1135 || copy_from_user(vx_new_uts(machine), buf->machine, 65)) {
1145 static int irix_xstat32_xlate(struct kstat *stat, void __user *ubuf)
1148 u32 st_dev, st_pad1[3], st_ino, st_mode, st_nlink, st_uid, st_gid;
1149 u32 st_rdev, st_pad2[2], st_size, st_pad3;
1150 u32 st_atime0, st_atime1;
1151 u32 st_mtime0, st_mtime1;
1152 u32 st_ctime0, st_ctime1;
1153 u32 st_blksize, st_blocks;
1158 if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
1160 ub.st_dev = sysv_encode_dev(stat->dev);
1161 ub.st_ino = stat->ino;
1162 ub.st_mode = stat->mode;
1163 ub.st_nlink = stat->nlink;
1164 SET_UID(ub.st_uid, stat->uid);
1165 SET_GID(ub.st_gid, stat->gid);
1166 ub.st_rdev = sysv_encode_dev(stat->rdev);
1167 #if BITS_PER_LONG == 32
1168 if (stat->size > MAX_NON_LFS)
1171 ub.st_size = stat->size;
1172 ub.st_atime0 = stat->atime.tv_sec;
1173 ub.st_atime1 = stat->atime.tv_nsec;
1174 ub.st_mtime0 = stat->mtime.tv_sec;
1175 ub.st_mtime1 = stat->atime.tv_nsec;
1176 ub.st_ctime0 = stat->ctime.tv_sec;
1177 ub.st_ctime1 = stat->atime.tv_nsec;
1178 ub.st_blksize = stat->blksize;
1179 ub.st_blocks = stat->blocks;
1180 strcpy (ub.st_fstype, "efs");
1182 return copy_to_user(ubuf, &ub, sizeof(ub)) ? -EFAULT : 0;
1185 static int irix_xstat64_xlate(struct kstat *stat, void __user *ubuf)
1188 u32 st_dev; s32 st_pad1[3];
1189 unsigned long long st_ino;
1191 u32 st_nlink; s32 st_uid; s32 st_gid; u32 st_rdev;
1195 struct { s32 tv_sec, tv_nsec; } st_atime, st_mtime, st_ctime;
1197 long long st_blocks;
1202 if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
1205 ks.st_dev = sysv_encode_dev(stat->dev);
1206 ks.st_pad1[0] = ks.st_pad1[1] = ks.st_pad1[2] = 0;
1207 ks.st_ino = (unsigned long long) stat->ino;
1208 ks.st_mode = (u32) stat->mode;
1209 ks.st_nlink = (u32) stat->nlink;
1210 ks.st_uid = (s32) stat->uid;
1211 ks.st_gid = (s32) stat->gid;
1212 ks.st_rdev = sysv_encode_dev (stat->rdev);
1213 ks.st_pad2[0] = ks.st_pad2[1] = 0;
1214 ks.st_size = (long long) stat->size;
1217 /* XXX hackety hack... */
1218 ks.st_atime.tv_sec = (s32) stat->atime.tv_sec;
1219 ks.st_atime.tv_nsec = stat->atime.tv_nsec;
1220 ks.st_mtime.tv_sec = (s32) stat->mtime.tv_sec;
1221 ks.st_mtime.tv_nsec = stat->mtime.tv_nsec;
1222 ks.st_ctime.tv_sec = (s32) stat->ctime.tv_sec;
1223 ks.st_ctime.tv_nsec = stat->ctime.tv_nsec;
1225 ks.st_blksize = (s32) stat->blksize;
1226 ks.st_blocks = (long long) stat->blocks;
1227 memset(ks.st_fstype, 0, 16);
1228 ks.st_pad4[0] = ks.st_pad4[1] = ks.st_pad4[2] = ks.st_pad4[3] = 0;
1229 ks.st_pad4[4] = ks.st_pad4[5] = ks.st_pad4[6] = ks.st_pad4[7] = 0;
1231 /* Now write it all back. */
1232 return copy_to_user(ubuf, &ks, sizeof(ks)) ? -EFAULT : 0;
1235 asmlinkage int irix_xstat(int version, char __user *filename, struct stat __user *statbuf)
1241 printk("[%s:%d] Wheee.. irix_xstat(%d,%s,%p) ",
1242 current->comm, current->pid, version, filename, statbuf);
1245 retval = vfs_stat(filename, &stat);
1249 retval = irix_xstat32_xlate(&stat, statbuf);
1252 retval = irix_xstat64_xlate(&stat, statbuf);
1261 asmlinkage int irix_lxstat(int version, char __user *filename, struct stat __user *statbuf)
1267 printk("[%s:%d] Wheee.. irix_lxstat(%d,%s,%p) ",
1268 current->comm, current->pid, version, filename, statbuf);
1271 error = vfs_lstat(filename, &stat);
1276 error = irix_xstat32_xlate(&stat, statbuf);
1279 error = irix_xstat64_xlate(&stat, statbuf);
1288 asmlinkage int irix_fxstat(int version, int fd, struct stat __user *statbuf)
1294 printk("[%s:%d] Wheee.. irix_fxstat(%d,%d,%p) ",
1295 current->comm, current->pid, version, fd, statbuf);
1298 error = vfs_fstat(fd, &stat);
1302 error = irix_xstat32_xlate(&stat, statbuf);
1305 error = irix_xstat64_xlate(&stat, statbuf);
1314 asmlinkage int irix_xmknod(int ver, char __user *filename, int mode, unsigned dev)
1317 printk("[%s:%d] Wheee.. irix_xmknod(%d,%s,%x,%x)\n",
1318 current->comm, current->pid, ver, filename, mode, dev);
1322 /* shouldn't we convert here as well as on stat()? */
1323 retval = sys_mknod(filename, mode, dev);
1334 asmlinkage int irix_swapctl(int cmd, char __user *arg)
1336 printk("[%s:%d] Wheee.. irix_swapctl(%d,%p)\n",
1337 current->comm, current->pid, cmd, arg);
1342 struct irix_statvfs {
1343 u32 f_bsize; u32 f_frsize; u32 f_blocks;
1344 u32 f_bfree; u32 f_bavail; u32 f_files; u32 f_ffree; u32 f_favail;
1345 u32 f_fsid; char f_basetype[16];
1346 u32 f_flag; u32 f_namemax;
1347 char f_fstr[32]; u32 f_filler[16];
1350 asmlinkage int irix_statvfs(char __user *fname, struct irix_statvfs __user *buf)
1352 struct nameidata nd;
1353 struct kstatfs kbuf;
1356 printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n",
1357 current->comm, current->pid, fname, buf);
1358 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs)))
1361 error = user_path_walk(fname, &nd);
1364 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
1368 error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
1369 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
1370 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
1371 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
1372 error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1373 error |= __put_user(kbuf.f_files, &buf->f_files);
1374 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
1375 error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1377 error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1379 error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1381 for (i = 0; i < 16; i++)
1382 error |= __put_user(0, &buf->f_basetype[i]);
1383 error |= __put_user(0, &buf->f_flag);
1384 error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
1385 for (i = 0; i < 32; i++)
1386 error |= __put_user(0, &buf->f_fstr[i]);
1394 asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs __user *buf)
1396 struct kstatfs kbuf;
1400 printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n",
1401 current->comm, current->pid, fd, buf);
1403 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs)))
1406 if (!(file = fget(fd))) {
1410 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
1414 error = __put_user(kbuf.f_bsize, &buf->f_bsize);
1415 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
1416 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
1417 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
1418 error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1419 error |= __put_user(kbuf.f_files, &buf->f_files);
1420 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
1421 error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1423 error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1425 error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1427 for(i = 0; i < 16; i++)
1428 error |= __put_user(0, &buf->f_basetype[i]);
1429 error |= __put_user(0, &buf->f_flag);
1430 error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
1431 error |= __clear_user(&buf->f_fstr, sizeof(buf->f_fstr)) ? -EFAULT : 0;
1439 asmlinkage int irix_priocntl(struct pt_regs *regs)
1441 printk("[%s:%d] Wheee.. irix_priocntl()\n",
1442 current->comm, current->pid);
1447 asmlinkage int irix_sigqueue(int pid, int sig, int code, int val)
1449 printk("[%s:%d] Wheee.. irix_sigqueue(%d,%d,%d,%d)\n",
1450 current->comm, current->pid, pid, sig, code, val);
1455 asmlinkage int irix_truncate64(char __user *name, int pad, int size1, int size2)
1463 retval = sys_truncate(name, size2);
1469 asmlinkage int irix_ftruncate64(int fd, int pad, int size1, int size2)
1477 retval = sys_ftruncate(fd, size2);
1483 asmlinkage int irix_mmap64(struct pt_regs *regs)
1485 int len, prot, flags, fd, off1, off2, error, base = 0;
1486 unsigned long addr, pgoff, *sp;
1487 struct file *file = NULL;
1490 if (regs->regs[2] == 1000)
1492 sp = (unsigned long *) (regs->regs[29] + 16);
1493 addr = regs->regs[base + 4];
1494 len = regs->regs[base + 5];
1495 prot = regs->regs[base + 6];
1497 flags = regs->regs[base + 7];
1498 if (!access_ok(VERIFY_READ, sp, (4 * sizeof(unsigned long))))
1501 err = __get_user(off1, &sp[1]);
1502 err |= __get_user(off2, &sp[2]);
1504 if (!access_ok(VERIFY_READ, sp, (5 * sizeof(unsigned long))))
1506 err = __get_user(flags, &sp[0]);
1507 err |= __get_user(fd, &sp[1]);
1508 err |= __get_user(off1, &sp[2]);
1509 err |= __get_user(off2, &sp[3]);
1515 if (off1 & PAGE_MASK)
1518 pgoff = (off1 << (32 - PAGE_SHIFT)) | (off2 >> PAGE_SHIFT);
1520 if (!(flags & MAP_ANONYMOUS)) {
1521 if (!(file = fget(fd)))
1524 /* Ok, bad taste hack follows, try to think in something else
1525 when reading this */
1526 if (flags & IRIX_MAP_AUTOGROW) {
1527 unsigned long old_pos;
1528 long max_size = off2 + len;
1530 if (max_size > file->f_dentry->d_inode->i_size) {
1531 old_pos = sys_lseek (fd, max_size - 1, 0);
1532 sys_write (fd, (void __user *) "", 1);
1533 sys_lseek (fd, old_pos, 0);
1538 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
1540 down_write(¤t->mm->mmap_sem);
1541 error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
1542 up_write(¤t->mm->mmap_sem);
1550 asmlinkage int irix_dmi(struct pt_regs *regs)
1552 printk("[%s:%d] Wheee.. irix_dmi()\n",
1553 current->comm, current->pid);
1558 asmlinkage int irix_pread(int fd, char __user *buf, int cnt, int off64,
1561 printk("[%s:%d] Wheee.. irix_pread(%d,%p,%d,%d,%d,%d)\n",
1562 current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
1567 asmlinkage int irix_pwrite(int fd, char __user *buf, int cnt, int off64,
1570 printk("[%s:%d] Wheee.. irix_pwrite(%d,%p,%d,%d,%d,%d)\n",
1571 current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
1576 asmlinkage int irix_sgifastpath(int cmd, unsigned long arg0, unsigned long arg1,
1577 unsigned long arg2, unsigned long arg3,
1578 unsigned long arg4, unsigned long arg5)
1580 printk("[%s:%d] Wheee.. irix_fastpath(%d,%08lx,%08lx,%08lx,%08lx,"
1582 current->comm, current->pid, cmd, arg0, arg1, arg2,
1588 struct irix_statvfs64 {
1589 u32 f_bsize; u32 f_frsize;
1590 u64 f_blocks; u64 f_bfree; u64 f_bavail;
1591 u64 f_files; u64 f_ffree; u64 f_favail;
1593 char f_basetype[16];
1594 u32 f_flag; u32 f_namemax;
1599 asmlinkage int irix_statvfs64(char __user *fname, struct irix_statvfs64 __user *buf)
1601 struct nameidata nd;
1602 struct kstatfs kbuf;
1605 printk("[%s:%d] Wheee.. irix_statvfs64(%s,%p)\n",
1606 current->comm, current->pid, fname, buf);
1607 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs64))) {
1612 error = user_path_walk(fname, &nd);
1615 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
1619 error = __put_user(kbuf.f_bsize, &buf->f_bsize);
1620 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
1621 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
1622 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
1623 error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1624 error |= __put_user(kbuf.f_files, &buf->f_files);
1625 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
1626 error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1628 error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1630 error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1632 for(i = 0; i < 16; i++)
1633 error |= __put_user(0, &buf->f_basetype[i]);
1634 error |= __put_user(0, &buf->f_flag);
1635 error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
1636 for(i = 0; i < 32; i++)
1637 error |= __put_user(0, &buf->f_fstr[i]);
1645 asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs __user *buf)
1647 struct kstatfs kbuf;
1651 printk("[%s:%d] Wheee.. irix_fstatvfs64(%d,%p)\n",
1652 current->comm, current->pid, fd, buf);
1654 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) {
1658 if (!(file = fget(fd))) {
1662 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
1666 error = __put_user(kbuf.f_bsize, &buf->f_bsize);
1667 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
1668 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
1669 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
1670 error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1671 error |= __put_user(kbuf.f_files, &buf->f_files);
1672 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
1673 error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1675 error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1677 error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1679 for(i = 0; i < 16; i++)
1680 error |= __put_user(0, &buf->f_basetype[i]);
1681 error |= __put_user(0, &buf->f_flag);
1682 error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
1683 error |= __clear_user(buf->f_fstr, sizeof(buf->f_fstr[i])) ? -EFAULT : 0;
1691 asmlinkage int irix_getmountid(char __user *fname, unsigned long __user *midbuf)
1695 printk("[%s:%d] irix_getmountid(%s, %p)\n",
1696 current->comm, current->pid, fname, midbuf);
1697 if (!access_ok(VERIFY_WRITE, midbuf, (sizeof(unsigned long) * 4)))
1701 * The idea with this system call is that when trying to determine
1702 * 'pwd' and it's a toss-up for some reason, userland can use the
1703 * fsid of the filesystem to try and make the right decision, but
1704 * we don't have this so for now. XXX
1706 err = __put_user(0, &midbuf[0]);
1707 err |= __put_user(0, &midbuf[1]);
1708 err |= __put_user(0, &midbuf[2]);
1709 err |= __put_user(0, &midbuf[3]);
1714 asmlinkage int irix_nsproc(unsigned long entry, unsigned long mask,
1715 unsigned long arg, unsigned long sp, int slen)
1717 printk("[%s:%d] Wheee.. irix_nsproc(%08lx,%08lx,%08lx,%08lx,%d)\n",
1718 current->comm, current->pid, entry, mask, arg, sp, slen);
1723 #undef DEBUG_GETDENTS
1725 struct irix_dirent32 {
1728 unsigned short d_reclen;
1732 struct irix_dirent32_callback {
1733 struct irix_dirent32 __user *current_dir;
1734 struct irix_dirent32 __user *previous;
1739 #define NAME_OFFSET32(de) ((int) ((de)->d_name - (char *) (de)))
1740 #define ROUND_UP32(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1))
1742 static int irix_filldir32(void *__buf, const char *name,
1743 int namlen, loff_t offset, ino_t ino, unsigned int d_type)
1745 struct irix_dirent32 __user *dirent;
1746 struct irix_dirent32_callback *buf = __buf;
1747 unsigned short reclen = ROUND_UP32(NAME_OFFSET32(dirent) + namlen + 1);
1750 #ifdef DEBUG_GETDENTS
1751 printk("\nirix_filldir32[reclen<%d>namlen<%d>count<%d>]",
1752 reclen, namlen, buf->count);
1754 buf->error = -EINVAL; /* only used if we fail.. */
1755 if (reclen > buf->count)
1757 dirent = buf->previous;
1759 err = __put_user(offset, &dirent->d_off);
1760 dirent = buf->current_dir;
1761 err |= __put_user(dirent, &buf->previous);
1762 err |= __put_user(ino, &dirent->d_ino);
1763 err |= __put_user(reclen, &dirent->d_reclen);
1764 err |= copy_to_user((char __user *)dirent->d_name, name, namlen) ? -EFAULT : 0;
1765 err |= __put_user(0, &dirent->d_name[namlen]);
1766 dirent = (struct irix_dirent32 __user *) ((char __user *) dirent + reclen);
1768 buf->current_dir = dirent;
1769 buf->count -= reclen;
1774 asmlinkage int irix_ngetdents(unsigned int fd, void __user * dirent,
1775 unsigned int count, int __user *eob)
1778 struct irix_dirent32 __user *lastdirent;
1779 struct irix_dirent32_callback buf;
1782 #ifdef DEBUG_GETDENTS
1783 printk("[%s:%d] ngetdents(%d, %p, %d, %p) ", current->comm,
1784 current->pid, fd, dirent, count, eob);
1791 buf.current_dir = (struct irix_dirent32 __user *) dirent;
1792 buf.previous = NULL;
1796 error = vfs_readdir(file, irix_filldir32, &buf);
1801 lastdirent = buf.previous;
1803 put_user(file->f_pos, &lastdirent->d_off);
1804 error = count - buf.count;
1807 if (put_user(0, eob) < 0) {
1812 #ifdef DEBUG_GETDENTS
1813 printk("eob=%d returning %d\n", *eob, count - buf.count);
1815 error = count - buf.count;
1823 struct irix_dirent64 {
1826 unsigned short d_reclen;
1830 struct irix_dirent64_callback {
1831 struct irix_dirent64 __user *curr;
1832 struct irix_dirent64 __user *previous;
1837 #define NAME_OFFSET64(de) ((int) ((de)->d_name - (char *) (de)))
1838 #define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1))
1840 static int irix_filldir64(void *__buf, const char *name,
1841 int namlen, loff_t offset, ino_t ino, unsigned int d_type)
1843 struct irix_dirent64 __user *dirent;
1844 struct irix_dirent64_callback * buf = __buf;
1845 unsigned short reclen = ROUND_UP64(NAME_OFFSET64(dirent) + namlen + 1);
1848 if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)))
1851 if (__put_user(-EINVAL, &buf->error)) /* only used if we fail.. */
1853 if (reclen > buf->count)
1855 dirent = buf->previous;
1857 err = __put_user(offset, &dirent->d_off);
1859 buf->previous = dirent;
1860 err |= __put_user(ino, &dirent->d_ino);
1861 err |= __put_user(reclen, &dirent->d_reclen);
1862 err |= __copy_to_user((char __user *)dirent->d_name, name, namlen)
1864 err |= __put_user(0, &dirent->d_name[namlen]);
1866 dirent = (struct irix_dirent64 __user *) ((char __user *) dirent + reclen);
1869 buf->count -= reclen;
1874 asmlinkage int irix_getdents64(int fd, void __user *dirent, int cnt)
1877 struct irix_dirent64 __user *lastdirent;
1878 struct irix_dirent64_callback buf;
1881 #ifdef DEBUG_GETDENTS
1882 printk("[%s:%d] getdents64(%d, %p, %d) ", current->comm,
1883 current->pid, fd, dirent, cnt);
1886 if (!(file = fget(fd)))
1890 if (!access_ok(VERIFY_WRITE, dirent, cnt))
1894 if (cnt < (sizeof(struct irix_dirent64) + 255))
1897 buf.curr = (struct irix_dirent64 __user *) dirent;
1898 buf.previous = NULL;
1901 error = vfs_readdir(file, irix_filldir64, &buf);
1904 lastdirent = buf.previous;
1909 if (put_user(file->f_pos, &lastdirent->d_off))
1911 #ifdef DEBUG_GETDENTS
1912 printk("returning %d\n", cnt - buf.count);
1914 error = cnt - buf.count;
1922 asmlinkage int irix_ngetdents64(int fd, void __user *dirent, int cnt, int *eob)
1925 struct irix_dirent64 __user *lastdirent;
1926 struct irix_dirent64_callback buf;
1929 #ifdef DEBUG_GETDENTS
1930 printk("[%s:%d] ngetdents64(%d, %p, %d) ", current->comm,
1931 current->pid, fd, dirent, cnt);
1934 if (!(file = fget(fd)))
1938 if (!access_ok(VERIFY_WRITE, dirent, cnt) ||
1939 !access_ok(VERIFY_WRITE, eob, sizeof(*eob)))
1943 if (cnt < (sizeof(struct irix_dirent64) + 255))
1947 buf.curr = (struct irix_dirent64 __user *) dirent;
1948 buf.previous = NULL;
1951 error = vfs_readdir(file, irix_filldir64, &buf);
1954 lastdirent = buf.previous;
1959 if (put_user(file->f_pos, &lastdirent->d_off))
1961 #ifdef DEBUG_GETDENTS
1962 printk("eob=%d returning %d\n", *eob, cnt - buf.count);
1964 error = cnt - buf.count;
1972 asmlinkage int irix_uadmin(unsigned long op, unsigned long func, unsigned long arg)
1979 printk("[%s:%d] irix_uadmin: Wants to reboot...\n",
1980 current->comm, current->pid);
1986 printk("[%s:%d] irix_uadmin: Wants to shutdown...\n",
1987 current->comm, current->pid);
1993 printk("[%s:%d] irix_uadmin: Wants to remount root...\n",
1994 current->comm, current->pid);
1999 /* Kill all tasks. */
2000 printk("[%s:%d] irix_uadmin: Wants to kill all tasks...\n",
2001 current->comm, current->pid);
2006 /* Set magic mushrooms... */
2007 printk("[%s:%d] irix_uadmin: Wants to set magic mushroom[%d]...\n",
2008 current->comm, current->pid, (int) func);
2013 printk("[%s:%d] irix_uadmin: Unknown operation [%d]...\n",
2014 current->comm, current->pid, (int) op);
2023 asmlinkage int irix_utssys(char __user *inbuf, int arg, int type, char __user *outbuf)
2030 retval = irix_uname((struct iuname __user *)inbuf);
2035 printk("[%s:%d] irix_utssys: Wants to do ustat()\n",
2036 current->comm, current->pid);
2042 printk("[%s:%d] irix_utssys: Wants to do fusers()\n",
2043 current->comm, current->pid);
2048 printk("[%s:%d] irix_utssys: Wants to do unknown type[%d]\n",
2049 current->comm, current->pid, (int) type);
2060 #define IRIX_F_ALLOCSP 10
2062 asmlinkage int irix_fcntl(int fd, int cmd, int arg)
2067 printk("[%s:%d] irix_fcntl(%d, %d, %d) ", current->comm,
2068 current->pid, fd, cmd, arg);
2070 if (cmd == IRIX_F_ALLOCSP){
2073 retval = sys_fcntl(fd, cmd, arg);
2075 printk("%d\n", retval);
2080 asmlinkage int irix_ulimit(int cmd, int arg)
2086 printk("[%s:%d] irix_ulimit: Wants to get file size limit.\n",
2087 current->comm, current->pid);
2092 printk("[%s:%d] irix_ulimit: Wants to set file size limit.\n",
2093 current->comm, current->pid);
2098 printk("[%s:%d] irix_ulimit: Wants to get brk limit.\n",
2099 current->comm, current->pid);
2105 printk("[%s:%d] irix_ulimit: Wants to get fd limit.\n",
2106 current->comm, current->pid);
2110 retval = current->signal->rlim[RLIMIT_NOFILE].rlim_cur;
2114 printk("[%s:%d] irix_ulimit: Wants to get txt offset.\n",
2115 current->comm, current->pid);
2120 printk("[%s:%d] irix_ulimit: Unknown command [%d].\n",
2121 current->comm, current->pid, cmd);
2129 asmlinkage int irix_unimp(struct pt_regs *regs)
2131 printk("irix_unimp [%s:%d] v0=%d v1=%d a0=%08lx a1=%08lx a2=%08lx "
2132 "a3=%08lx\n", current->comm, current->pid,
2133 (int) regs->regs[2], (int) regs->regs[3],
2134 regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]);