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>
35 #include <asm/ptrace.h>
37 #include <asm/uaccess.h>
38 #include <asm/inventory.h>
40 /* 2,191 lines of complete and utter shit coming up... */
42 extern int max_threads;
44 /* The sysmp commands supported thus far. */
45 #define MP_NPROCS 1 /* # processor in complex */
46 #define MP_NAPROCS 2 /* # active processors in complex */
47 #define MP_PGSIZE 14 /* Return system page size in v1. */
49 asmlinkage int irix_sysmp(struct pt_regs *regs)
55 if(regs->regs[2] == 1000)
57 cmd = regs->regs[base + 4];
64 error = num_online_cpus();
67 printk("SYSMP[%s:%d]: Unsupported opcode %d\n",
68 current->comm, current->pid, (int)cmd);
76 /* The prctl commands. */
77 #define PR_MAXPROCS 1 /* Tasks/user. */
78 #define PR_ISBLOCKED 2 /* If blocked, return 1. */
79 #define PR_SETSTACKSIZE 3 /* Set largest task stack size. */
80 #define PR_GETSTACKSIZE 4 /* Get largest task stack size. */
81 #define PR_MAXPPROCS 5 /* Num parallel tasks. */
82 #define PR_UNBLKONEXEC 6 /* When task exec/exit's, unblock. */
83 #define PR_SETEXITSIG 8 /* When task exit's, set signal. */
84 #define PR_RESIDENT 9 /* Make task unswappable. */
85 #define PR_ATTACHADDR 10 /* (Re-)Connect a vma to a task. */
86 #define PR_DETACHADDR 11 /* Disconnect a vma from a task. */
87 #define PR_TERMCHILD 12 /* Kill child if the parent dies. */
88 #define PR_GETSHMASK 13 /* Get the sproc() share mask. */
89 #define PR_GETNSHARE 14 /* Number of share group members. */
90 #define PR_COREPID 15 /* Add task pid to name when it core. */
91 #define PR_ATTACHADDRPERM 16 /* (Re-)Connect vma, with specified prot. */
92 #define PR_PTHREADEXIT 17 /* Kill a pthread, only for IRIX 6.[234] */
94 asmlinkage int irix_prctl(unsigned option, ...)
99 va_start(args, option);
102 printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
103 current->comm, current->pid);
108 struct task_struct *task;
110 printk("irix_prctl[%s:%d]: Wants PR_ISBLOCKED\n",
111 current->comm, current->pid);
112 read_lock(&tasklist_lock);
113 task = find_task_by_pid(va_arg(args, pid_t));
116 error = (task->run_list.next != NULL);
117 read_unlock(&tasklist_lock);
118 /* Can _your_ OS find this out that fast? */
122 case PR_SETSTACKSIZE: {
123 long value = va_arg(args, long);
125 printk("irix_prctl[%s:%d]: Wants PR_SETSTACKSIZE<%08lx>\n",
126 current->comm, current->pid, (unsigned long) value);
127 if (value > RLIM_INFINITY)
128 value = RLIM_INFINITY;
129 if (capable(CAP_SYS_ADMIN)) {
130 task_lock(current->group_leader);
131 current->signal->rlim[RLIMIT_STACK].rlim_max =
132 current->signal->rlim[RLIMIT_STACK].rlim_cur = value;
133 task_unlock(current->group_leader);
137 task_lock(current->group_leader);
138 if (value > current->signal->rlim[RLIMIT_STACK].rlim_max) {
140 task_unlock(current->group_leader);
143 current->signal->rlim[RLIMIT_STACK].rlim_cur = value;
144 task_unlock(current->group_leader);
149 case PR_GETSTACKSIZE:
150 printk("irix_prctl[%s:%d]: Wants PR_GETSTACKSIZE\n",
151 current->comm, current->pid);
152 error = current->signal->rlim[RLIMIT_STACK].rlim_cur;
156 printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
157 current->comm, current->pid);
162 printk("irix_prctl[%s:%d]: Wants PR_UNBLKONEXEC\n",
163 current->comm, current->pid);
168 printk("irix_prctl[%s:%d]: Wants PR_SETEXITSIG\n",
169 current->comm, current->pid);
171 /* We can probably play some game where we set the task
172 * exit_code to some non-zero value when this is requested,
173 * and check whether exit_code is already set in do_exit().
179 printk("irix_prctl[%s:%d]: Wants PR_RESIDENT\n",
180 current->comm, current->pid);
181 error = 0; /* Compatibility indeed. */
185 printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDR\n",
186 current->comm, current->pid);
191 printk("irix_prctl[%s:%d]: Wants PR_DETACHADDR\n",
192 current->comm, current->pid);
197 printk("irix_prctl[%s:%d]: Wants PR_TERMCHILD\n",
198 current->comm, current->pid);
203 printk("irix_prctl[%s:%d]: Wants PR_GETSHMASK\n",
204 current->comm, current->pid);
205 error = -EINVAL; /* Until I have the sproc() stuff in. */
209 error = 0; /* Until I have the sproc() stuff in. */
213 printk("irix_prctl[%s:%d]: Wants PR_COREPID\n",
214 current->comm, current->pid);
218 case PR_ATTACHADDRPERM:
219 printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDRPERM\n",
220 current->comm, current->pid);
225 printk("irix_prctl[%s:%d]: Non-existant opcode %d\n",
226 current->comm, current->pid, option);
235 #undef DEBUG_PROCGRPS
237 extern unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt);
238 extern int getrusage(struct task_struct *p, int who, struct rusage __user *ru);
239 extern char *prom_getenv(char *name);
240 extern long prom_setenv(char *name, char *value);
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. */
263 asmlinkage int irix_syssgi(struct pt_regs *regs)
266 int retval, base = 0;
268 if (regs->regs[2] == 1000)
271 cmd = regs->regs[base + 4];
274 char __user *buf = (char __user *) regs->regs[base + 5];
276 /* XXX Use ethernet addr.... */
277 retval = clear_user(buf, 64) ? -EFAULT : 0;
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)];
287 read_lock(&tasklist_lock);
288 p = find_task_by_pid(pid);
290 read_unlock(&tasklist_lock);
294 get_task_comm(tcomm, p);
295 read_unlock(&tasklist_lock);
297 /* XXX Need to check sizes. */
298 retval = copy_to_user(buf, tcomm, sizeof(tcomm)) ? -EFAULT : 0;
303 char __user *name = (char __user *) regs->regs[base+5];
304 char __user *buf = (char __user *) regs->regs[base+6];
306 return -EINVAL; /* til I fix it */
307 value = prom_getenv(name); /* PROM lock? */
312 /* Do I strlen() for the length? */
313 retval = copy_to_user(buf, value, 128) ? -EFAULT : 0;
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)
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]);
337 retval = sys_setpgid(regs->regs[base + 5], regs->regs[base + 6]);
339 #ifdef DEBUG_PROCGRPS
340 printk("retval=%d\n", retval);
345 switch(regs->regs[base + 5]) {
347 retval = (MAX_ARG_PAGES >> 4); /* XXX estimate... */
350 retval = max_threads;
356 retval = NGROUPS_MAX;
394 retval = sys_setgroups((int) regs->regs[base + 5],
395 (gid_t __user *) regs->regs[base + 6]);
399 retval = sys_getgroups((int) regs->regs[base + 5],
400 (gid_t __user *) regs->regs[base + 6]);
404 struct rusage __user *ru = (struct rusage __user *) regs->regs[base + 6];
406 switch((int) regs->regs[base + 5]) {
409 retval = getrusage(current, RUSAGE_SELF, ru);
413 /* rusage children */
414 retval = getrusage(current, RUSAGE_CHILDREN, ru);
429 #ifdef DEBUG_PROCGRPS
430 printk("[%s:%d] getsid(%d) ", current->comm, current->pid,
431 (int) regs->regs[base + 5]);
433 retval = sys_getsid(regs->regs[base + 5]);
434 #ifdef DEBUG_PROCGRPS
435 printk("retval=%d\n", retval);
440 retval = irix_mapelf((int) regs->regs[base + 5],
441 (struct elf_phdr __user *) regs->regs[base + 6],
442 (int) regs->regs[base + 7]);
446 /* XXX We don't need to do anything? */
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;
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);
472 if (pte_val(pte) & (_PAGE_VALID | _PAGE_PRESENT)) {
473 /* b0rked on 64-bit */
474 retval = put_user((pte_val(pte) & PAGE_MASK) >>
478 up_read(&mm->mmap_sem);
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];
489 retval = sizeof (inventory_t);
492 retval = dump_inventory_to_user (buffer, count);
501 printk("irix_syssgi: Unsupported command %d\n", (int)cmd);
510 asmlinkage int irix_gtime(struct pt_regs *regs)
512 return get_seconds();
516 * IRIX is completely broken... it returns 0 on success, otherwise
519 asmlinkage int irix_brk(unsigned long brk)
522 unsigned long newbrk, oldbrk;
523 struct mm_struct *mm = current->mm;
526 down_write(&mm->mmap_sem);
527 if (brk < mm->end_code) {
532 newbrk = PAGE_ALIGN(brk);
533 oldbrk = PAGE_ALIGN(mm->brk);
534 if (oldbrk == newbrk) {
541 * Always allow shrinking brk
543 if (brk <= mm->brk) {
545 do_munmap(mm, newbrk, oldbrk-newbrk);
550 * Check against rlimit and stack..
552 rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
553 if (rlim >= RLIM_INFINITY)
555 if (brk - mm->end_code > rlim) {
561 * Check against existing mmap mappings.
563 if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE)) {
569 * Ok, looks good - let it rip.
571 if (do_brk(oldbrk, newbrk-oldbrk) != oldbrk) {
579 up_write(&mm->mmap_sem);
583 asmlinkage int irix_getpid(struct pt_regs *regs)
585 regs->regs[3] = current->real_parent->pid;
589 asmlinkage int irix_getuid(struct pt_regs *regs)
591 regs->regs[3] = current->euid;
595 asmlinkage int irix_getgid(struct pt_regs *regs)
597 regs->regs[3] = current->egid;
601 asmlinkage int irix_stime(int value)
608 err = security_settime(&tv, NULL);
612 write_seqlock_irq(&xtime_lock);
613 xtime.tv_sec = value;
616 write_sequnlock_irq(&xtime_lock);
621 static inline void jiffiestotv(unsigned long jiffies, struct timeval *value)
623 value->tv_usec = (jiffies % HZ) * (1000000 / HZ);
624 value->tv_sec = jiffies / HZ;
627 static inline void getitimer_real(struct itimerval *value)
629 register unsigned long val, interval;
631 interval = current->it_real_incr;
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.. */
642 jiffiestotv(val, &value->it_value);
643 jiffiestotv(interval, &value->it_interval);
646 asmlinkage unsigned int irix_alarm(unsigned int seconds)
648 struct itimerval it_new, it_old;
649 unsigned int oldalarm;
652 getitimer_real(&it_old);
653 del_timer(¤t->real_timer);
655 it_new.it_interval.tv_sec = it_new.it_interval.tv_usec = 0;
656 it_new.it_value.tv_sec = seconds;
657 it_new.it_value.tv_usec = 0;
658 do_setitimer(ITIMER_REAL, &it_new, &it_old);
660 oldalarm = it_old.it_value.tv_sec;
662 * ehhh.. We can't return 0 if we have an alarm pending ...
663 * And we'd better return too much than too little anyway
665 if (it_old.it_value.tv_usec)
671 asmlinkage int irix_pause(void)
673 current->state = TASK_INTERRUPTIBLE;
679 /* XXX need more than this... */
680 asmlinkage int irix_mount(char __user *dev_name, char __user *dir_name,
681 unsigned long flags, char __user *type, void __user *data, int datalen)
683 printk("[%s:%d] irix_mount(%p,%p,%08lx,%p,%p,%d)\n",
684 current->comm, current->pid,
685 dev_name, dir_name, flags, type, data, datalen);
687 return sys_mount(dev_name, dir_name, type, flags, data);
692 long f_bsize, f_frsize, f_blocks, f_bfree, f_files, f_ffree;
693 char f_fname[6], f_fpack[6];
696 asmlinkage int irix_statfs(const char __user *path,
697 struct irix_statfs __user *buf, int len, int fs_type)
703 /* We don't support this feature yet. */
708 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) {
713 error = user_path_walk(path, &nd);
717 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
721 error = __put_user(kbuf.f_type, &buf->f_type);
722 error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
723 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
724 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
725 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
726 error |= __put_user(kbuf.f_files, &buf->f_files);
727 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
728 for (i = 0; i < 6; i++) {
729 error |= __put_user(0, &buf->f_fname[i]);
730 error |= __put_user(0, &buf->f_fpack[i]);
739 asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs __user *buf)
745 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) {
750 if (!(file = fget(fd))) {
755 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
759 error = __put_user(kbuf.f_type, &buf->f_type);
760 error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
761 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
762 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
763 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
764 error |= __put_user(kbuf.f_files, &buf->f_files);
765 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
767 for (i = 0; i < 6; i++) {
768 error |= __put_user(0, &buf->f_fname[i]);
769 error |= __put_user(0, &buf->f_fpack[i]);
778 asmlinkage int irix_setpgrp(int flags)
782 #ifdef DEBUG_PROCGRPS
783 printk("[%s:%d] setpgrp(%d) ", current->comm, current->pid, flags);
786 error = process_group(current);
788 error = sys_setsid();
789 #ifdef DEBUG_PROCGRPS
790 printk("returning %d\n", process_group(current));
796 asmlinkage int irix_times(struct tms __user *tbuf)
801 if (!access_ok(VERIFY_WRITE,tbuf,sizeof *tbuf))
804 err = __put_user(current->utime, &tbuf->tms_utime);
805 err |= __put_user(current->stime, &tbuf->tms_stime);
806 err |= __put_user(current->signal->cutime, &tbuf->tms_cutime);
807 err |= __put_user(current->signal->cstime, &tbuf->tms_cstime);
813 asmlinkage int irix_exec(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))
825 error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5],
832 asmlinkage int irix_exece(struct pt_regs *regs)
837 if (regs->regs[2] == 1000)
839 filename = getname((char __user *) (long)regs->regs[base + 4]);
840 error = PTR_ERR(filename);
841 if (IS_ERR(filename))
843 error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5],
844 (char __user * __user *) (long)regs->regs[base + 6], regs);
850 asmlinkage unsigned long irix_gethostid(void)
852 printk("[%s:%d]: irix_gethostid() called...\n",
853 current->comm, current->pid);
858 asmlinkage unsigned long irix_sethostid(unsigned long val)
860 printk("[%s:%d]: irix_sethostid(%08lx) called...\n",
861 current->comm, current->pid, val);
866 asmlinkage int irix_socket(int family, int type, int protocol)
878 type = 9; /* Invalid... */
890 type = SOCK_SEQPACKET;
897 return sys_socket(family, type, protocol);
900 asmlinkage int irix_getdomainname(char __user *name, int len)
905 if (len > __NEW_UTS_LEN)
907 err = copy_to_user(name, system_utsname.domainname, len) ? -EFAULT : 0;
913 asmlinkage unsigned long irix_getpagesize(void)
918 asmlinkage int irix_msgsys(int opcode, unsigned long arg0, unsigned long arg1,
919 unsigned long arg2, unsigned long arg3,
924 return sys_msgget((key_t) arg0, (int) arg1);
926 return sys_msgctl((int) arg0, (int) arg1,
927 (struct msqid_ds __user *)arg2);
929 return sys_msgrcv((int) arg0, (struct msgbuf __user *) arg1,
930 (size_t) arg2, (long) arg3, (int) arg4);
932 return sys_msgsnd((int) arg0, (struct msgbuf __user *) arg1,
933 (size_t) arg2, (int) arg3);
939 asmlinkage int irix_shmsys(int opcode, unsigned long arg0, unsigned long arg1,
940 unsigned long arg2, unsigned long arg3)
944 return do_shmat((int) arg0, (char __user *) arg1, (int) arg2,
945 (unsigned long *) arg3);
947 return sys_shmctl((int)arg0, (int)arg1,
948 (struct shmid_ds __user *)arg2);
950 return sys_shmdt((char __user *)arg0);
952 return sys_shmget((key_t) arg0, (int) arg1, (int) arg2);
958 asmlinkage int irix_semsys(int opcode, unsigned long arg0, unsigned long arg1,
959 unsigned long arg2, int arg3)
963 return sys_semctl((int) arg0, (int) arg1, (int) arg2,
966 return sys_semget((key_t) arg0, (int) arg1, (int) arg2);
968 return sys_semop((int) arg0, (struct sembuf __user *)arg1,
969 (unsigned int) arg2);
975 static inline loff_t llseek(struct file *file, loff_t offset, int origin)
977 loff_t (*fn)(struct file *, loff_t, int);
981 if (file->f_op && file->f_op->llseek)
982 fn = file->f_op->llseek;
984 retval = fn(file, offset, origin);
990 asmlinkage int irix_lseek64(int fd, int _unused, int offhi, int offlow,
1005 offset = llseek(file, ((loff_t) offhi << 32) | offlow, origin);
1006 retval = (int) offset;
1014 asmlinkage int irix_sginap(int ticks)
1016 schedule_timeout_interruptible(ticks);
1020 asmlinkage int irix_sgikopt(char __user *istring, char __user *ostring, int len)
1025 asmlinkage int irix_gettimeofday(struct timeval __user *tv)
1031 if (!access_ok(VERIFY_WRITE, tv, sizeof(struct timeval)))
1035 seq = read_seqbegin(&xtime_lock);
1037 nsec = xtime.tv_nsec;
1038 } while (read_seqretry(&xtime_lock, seq));
1040 err = __put_user(sec, &tv->tv_sec);
1041 err |= __put_user((nsec / 1000), &tv->tv_usec);
1046 #define IRIX_MAP_AUTOGROW 0x40
1048 asmlinkage unsigned long irix_mmap32(unsigned long addr, size_t len, int prot,
1049 int flags, int fd, off_t offset)
1051 struct file *file = NULL;
1052 unsigned long retval;
1054 if (!(flags & MAP_ANONYMOUS)) {
1055 if (!(file = fget(fd)))
1058 /* Ok, bad taste hack follows, try to think in something else
1059 * when reading this. */
1060 if (flags & IRIX_MAP_AUTOGROW) {
1061 unsigned long old_pos;
1062 long max_size = offset + len;
1064 if (max_size > file->f_dentry->d_inode->i_size) {
1065 old_pos = sys_lseek (fd, max_size - 1, 0);
1066 sys_write (fd, (void __user *) "", 1);
1067 sys_lseek (fd, old_pos, 0);
1072 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
1074 down_write(¤t->mm->mmap_sem);
1075 retval = do_mmap(file, addr, len, prot, flags, offset);
1076 up_write(¤t->mm->mmap_sem);
1083 asmlinkage int irix_madvise(unsigned long addr, int len, int behavior)
1085 printk("[%s:%d] Wheee.. irix_madvise(%08lx,%d,%d)\n",
1086 current->comm, current->pid, addr, len, behavior);
1091 asmlinkage int irix_pagelock(char __user *addr, int len, int op)
1093 printk("[%s:%d] Wheee.. irix_pagelock(%p,%d,%d)\n",
1094 current->comm, current->pid, addr, len, op);
1099 asmlinkage int irix_quotactl(struct pt_regs *regs)
1101 printk("[%s:%d] Wheee.. irix_quotactl()\n",
1102 current->comm, current->pid);
1107 asmlinkage int irix_BSDsetpgrp(int pid, int pgrp)
1111 #ifdef DEBUG_PROCGRPS
1112 printk("[%s:%d] BSDsetpgrp(%d, %d) ", current->comm, current->pid,
1118 /* Wheee, weird sysv thing... */
1119 if ((pgrp == 0) && (pid == current->pid))
1120 error = sys_setsid();
1122 error = sys_setpgid(pid, pgrp);
1124 #ifdef DEBUG_PROCGRPS
1125 printk("error = %d\n", error);
1131 asmlinkage int irix_systeminfo(int cmd, char __user *buf, int cnt)
1133 printk("[%s:%d] Wheee.. irix_systeminfo(%d,%p,%d)\n",
1134 current->comm, current->pid, cmd, buf, cnt);
1140 char sysname[257], nodename[257], release[257];
1141 char version[257], machine[257];
1142 char m_type[257], base_rel[257];
1143 char _unused0[257], _unused1[257], _unused2[257];
1144 char _unused3[257], _unused4[257], _unused5[257];
1147 asmlinkage int irix_uname(struct iuname __user *buf)
1149 down_read(&uts_sem);
1150 if (copy_from_user(system_utsname.sysname, buf->sysname, 65)
1151 || copy_from_user(system_utsname.nodename, buf->nodename, 65)
1152 || copy_from_user(system_utsname.release, buf->release, 65)
1153 || copy_from_user(system_utsname.version, buf->version, 65)
1154 || copy_from_user(system_utsname.machine, buf->machine, 65)) {
1164 static int irix_xstat32_xlate(struct kstat *stat, void __user *ubuf)
1167 u32 st_dev, st_pad1[3], st_ino, st_mode, st_nlink, st_uid, st_gid;
1168 u32 st_rdev, st_pad2[2], st_size, st_pad3;
1169 u32 st_atime0, st_atime1;
1170 u32 st_mtime0, st_mtime1;
1171 u32 st_ctime0, st_ctime1;
1172 u32 st_blksize, st_blocks;
1177 if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
1179 ub.st_dev = sysv_encode_dev(stat->dev);
1180 ub.st_ino = stat->ino;
1181 ub.st_mode = stat->mode;
1182 ub.st_nlink = stat->nlink;
1183 SET_UID(ub.st_uid, stat->uid);
1184 SET_GID(ub.st_gid, stat->gid);
1185 ub.st_rdev = sysv_encode_dev(stat->rdev);
1186 #if BITS_PER_LONG == 32
1187 if (stat->size > MAX_NON_LFS)
1190 ub.st_size = stat->size;
1191 ub.st_atime0 = stat->atime.tv_sec;
1192 ub.st_atime1 = stat->atime.tv_nsec;
1193 ub.st_mtime0 = stat->mtime.tv_sec;
1194 ub.st_mtime1 = stat->atime.tv_nsec;
1195 ub.st_ctime0 = stat->ctime.tv_sec;
1196 ub.st_ctime1 = stat->atime.tv_nsec;
1197 ub.st_blksize = stat->blksize;
1198 ub.st_blocks = stat->blocks;
1199 strcpy (ub.st_fstype, "efs");
1201 return copy_to_user(ubuf, &ub, sizeof(ub)) ? -EFAULT : 0;
1204 static int irix_xstat64_xlate(struct kstat *stat, void __user *ubuf)
1207 u32 st_dev; s32 st_pad1[3];
1208 unsigned long long st_ino;
1210 u32 st_nlink; s32 st_uid; s32 st_gid; u32 st_rdev;
1214 struct { s32 tv_sec, tv_nsec; } st_atime, st_mtime, st_ctime;
1216 long long st_blocks;
1221 if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
1224 ks.st_dev = sysv_encode_dev(stat->dev);
1225 ks.st_pad1[0] = ks.st_pad1[1] = ks.st_pad1[2] = 0;
1226 ks.st_ino = (unsigned long long) stat->ino;
1227 ks.st_mode = (u32) stat->mode;
1228 ks.st_nlink = (u32) stat->nlink;
1229 ks.st_uid = (s32) stat->uid;
1230 ks.st_gid = (s32) stat->gid;
1231 ks.st_rdev = sysv_encode_dev (stat->rdev);
1232 ks.st_pad2[0] = ks.st_pad2[1] = 0;
1233 ks.st_size = (long long) stat->size;
1236 /* XXX hackety hack... */
1237 ks.st_atime.tv_sec = (s32) stat->atime.tv_sec;
1238 ks.st_atime.tv_nsec = stat->atime.tv_nsec;
1239 ks.st_mtime.tv_sec = (s32) stat->mtime.tv_sec;
1240 ks.st_mtime.tv_nsec = stat->mtime.tv_nsec;
1241 ks.st_ctime.tv_sec = (s32) stat->ctime.tv_sec;
1242 ks.st_ctime.tv_nsec = stat->ctime.tv_nsec;
1244 ks.st_blksize = (s32) stat->blksize;
1245 ks.st_blocks = (long long) stat->blocks;
1246 memset(ks.st_fstype, 0, 16);
1247 ks.st_pad4[0] = ks.st_pad4[1] = ks.st_pad4[2] = ks.st_pad4[3] = 0;
1248 ks.st_pad4[4] = ks.st_pad4[5] = ks.st_pad4[6] = ks.st_pad4[7] = 0;
1250 /* Now write it all back. */
1251 return copy_to_user(ubuf, &ks, sizeof(ks)) ? -EFAULT : 0;
1254 asmlinkage int irix_xstat(int version, char __user *filename, struct stat __user *statbuf)
1260 printk("[%s:%d] Wheee.. irix_xstat(%d,%s,%p) ",
1261 current->comm, current->pid, version, filename, statbuf);
1264 retval = vfs_stat(filename, &stat);
1268 retval = irix_xstat32_xlate(&stat, statbuf);
1271 retval = irix_xstat64_xlate(&stat, statbuf);
1280 asmlinkage int irix_lxstat(int version, char __user *filename, struct stat __user *statbuf)
1286 printk("[%s:%d] Wheee.. irix_lxstat(%d,%s,%p) ",
1287 current->comm, current->pid, version, filename, statbuf);
1290 error = vfs_lstat(filename, &stat);
1295 error = irix_xstat32_xlate(&stat, statbuf);
1298 error = irix_xstat64_xlate(&stat, statbuf);
1307 asmlinkage int irix_fxstat(int version, int fd, struct stat __user *statbuf)
1313 printk("[%s:%d] Wheee.. irix_fxstat(%d,%d,%p) ",
1314 current->comm, current->pid, version, fd, statbuf);
1317 error = vfs_fstat(fd, &stat);
1321 error = irix_xstat32_xlate(&stat, statbuf);
1324 error = irix_xstat64_xlate(&stat, statbuf);
1333 asmlinkage int irix_xmknod(int ver, char __user *filename, int mode, unsigned dev)
1336 printk("[%s:%d] Wheee.. irix_xmknod(%d,%s,%x,%x)\n",
1337 current->comm, current->pid, ver, filename, mode, dev);
1341 /* shouldn't we convert here as well as on stat()? */
1342 retval = sys_mknod(filename, mode, dev);
1353 asmlinkage int irix_swapctl(int cmd, char __user *arg)
1355 printk("[%s:%d] Wheee.. irix_swapctl(%d,%p)\n",
1356 current->comm, current->pid, cmd, arg);
1361 struct irix_statvfs {
1362 u32 f_bsize; u32 f_frsize; u32 f_blocks;
1363 u32 f_bfree; u32 f_bavail; u32 f_files; u32 f_ffree; u32 f_favail;
1364 u32 f_fsid; char f_basetype[16];
1365 u32 f_flag; u32 f_namemax;
1366 char f_fstr[32]; u32 f_filler[16];
1369 asmlinkage int irix_statvfs(char __user *fname, struct irix_statvfs __user *buf)
1371 struct nameidata nd;
1372 struct kstatfs kbuf;
1375 printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n",
1376 current->comm, current->pid, fname, buf);
1377 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs)))
1380 error = user_path_walk(fname, &nd);
1383 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
1387 error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
1388 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
1389 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
1390 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
1391 error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1392 error |= __put_user(kbuf.f_files, &buf->f_files);
1393 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
1394 error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1396 error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1398 error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1400 for (i = 0; i < 16; i++)
1401 error |= __put_user(0, &buf->f_basetype[i]);
1402 error |= __put_user(0, &buf->f_flag);
1403 error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
1404 for (i = 0; i < 32; i++)
1405 error |= __put_user(0, &buf->f_fstr[i]);
1413 asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs __user *buf)
1415 struct kstatfs kbuf;
1419 printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n",
1420 current->comm, current->pid, fd, buf);
1422 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs)))
1425 if (!(file = fget(fd))) {
1429 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
1433 error = __put_user(kbuf.f_bsize, &buf->f_bsize);
1434 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
1435 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
1436 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
1437 error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1438 error |= __put_user(kbuf.f_files, &buf->f_files);
1439 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
1440 error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1442 error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1444 error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1446 for(i = 0; i < 16; i++)
1447 error |= __put_user(0, &buf->f_basetype[i]);
1448 error |= __put_user(0, &buf->f_flag);
1449 error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
1450 error |= __clear_user(&buf->f_fstr, sizeof(buf->f_fstr)) ? -EFAULT : 0;
1458 asmlinkage int irix_priocntl(struct pt_regs *regs)
1460 printk("[%s:%d] Wheee.. irix_priocntl()\n",
1461 current->comm, current->pid);
1466 asmlinkage int irix_sigqueue(int pid, int sig, int code, int val)
1468 printk("[%s:%d] Wheee.. irix_sigqueue(%d,%d,%d,%d)\n",
1469 current->comm, current->pid, pid, sig, code, val);
1474 asmlinkage int irix_truncate64(char __user *name, int pad, int size1, int size2)
1482 retval = sys_truncate(name, size2);
1488 asmlinkage int irix_ftruncate64(int fd, int pad, int size1, int size2)
1496 retval = sys_ftruncate(fd, size2);
1502 asmlinkage int irix_mmap64(struct pt_regs *regs)
1504 int len, prot, flags, fd, off1, off2, error, base = 0;
1505 unsigned long addr, pgoff, *sp;
1506 struct file *file = NULL;
1509 if (regs->regs[2] == 1000)
1511 sp = (unsigned long *) (regs->regs[29] + 16);
1512 addr = regs->regs[base + 4];
1513 len = regs->regs[base + 5];
1514 prot = regs->regs[base + 6];
1516 flags = regs->regs[base + 7];
1517 if (!access_ok(VERIFY_READ, sp, (4 * sizeof(unsigned long))))
1520 err = __get_user(off1, &sp[1]);
1521 err |= __get_user(off2, &sp[2]);
1523 if (!access_ok(VERIFY_READ, sp, (5 * sizeof(unsigned long))))
1525 err = __get_user(flags, &sp[0]);
1526 err |= __get_user(fd, &sp[1]);
1527 err |= __get_user(off1, &sp[2]);
1528 err |= __get_user(off2, &sp[3]);
1534 if (off1 & PAGE_MASK)
1537 pgoff = (off1 << (32 - PAGE_SHIFT)) | (off2 >> PAGE_SHIFT);
1539 if (!(flags & MAP_ANONYMOUS)) {
1540 if (!(file = fget(fd)))
1543 /* Ok, bad taste hack follows, try to think in something else
1544 when reading this */
1545 if (flags & IRIX_MAP_AUTOGROW) {
1546 unsigned long old_pos;
1547 long max_size = off2 + len;
1549 if (max_size > file->f_dentry->d_inode->i_size) {
1550 old_pos = sys_lseek (fd, max_size - 1, 0);
1551 sys_write (fd, (void __user *) "", 1);
1552 sys_lseek (fd, old_pos, 0);
1557 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
1559 down_write(¤t->mm->mmap_sem);
1560 error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
1561 up_write(¤t->mm->mmap_sem);
1569 asmlinkage int irix_dmi(struct pt_regs *regs)
1571 printk("[%s:%d] Wheee.. irix_dmi()\n",
1572 current->comm, current->pid);
1577 asmlinkage int irix_pread(int fd, char __user *buf, int cnt, int off64,
1580 printk("[%s:%d] Wheee.. irix_pread(%d,%p,%d,%d,%d,%d)\n",
1581 current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
1586 asmlinkage int irix_pwrite(int fd, char __user *buf, int cnt, int off64,
1589 printk("[%s:%d] Wheee.. irix_pwrite(%d,%p,%d,%d,%d,%d)\n",
1590 current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
1595 asmlinkage int irix_sgifastpath(int cmd, unsigned long arg0, unsigned long arg1,
1596 unsigned long arg2, unsigned long arg3,
1597 unsigned long arg4, unsigned long arg5)
1599 printk("[%s:%d] Wheee.. irix_fastpath(%d,%08lx,%08lx,%08lx,%08lx,"
1601 current->comm, current->pid, cmd, arg0, arg1, arg2,
1607 struct irix_statvfs64 {
1608 u32 f_bsize; u32 f_frsize;
1609 u64 f_blocks; u64 f_bfree; u64 f_bavail;
1610 u64 f_files; u64 f_ffree; u64 f_favail;
1612 char f_basetype[16];
1613 u32 f_flag; u32 f_namemax;
1618 asmlinkage int irix_statvfs64(char __user *fname, struct irix_statvfs64 __user *buf)
1620 struct nameidata nd;
1621 struct kstatfs kbuf;
1624 printk("[%s:%d] Wheee.. irix_statvfs64(%s,%p)\n",
1625 current->comm, current->pid, fname, buf);
1626 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs64))) {
1631 error = user_path_walk(fname, &nd);
1634 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
1638 error = __put_user(kbuf.f_bsize, &buf->f_bsize);
1639 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
1640 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
1641 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
1642 error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1643 error |= __put_user(kbuf.f_files, &buf->f_files);
1644 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
1645 error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1647 error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1649 error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1651 for(i = 0; i < 16; i++)
1652 error |= __put_user(0, &buf->f_basetype[i]);
1653 error |= __put_user(0, &buf->f_flag);
1654 error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
1655 for(i = 0; i < 32; i++)
1656 error |= __put_user(0, &buf->f_fstr[i]);
1664 asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs __user *buf)
1666 struct kstatfs kbuf;
1670 printk("[%s:%d] Wheee.. irix_fstatvfs64(%d,%p)\n",
1671 current->comm, current->pid, fd, buf);
1673 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) {
1677 if (!(file = fget(fd))) {
1681 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
1685 error = __put_user(kbuf.f_bsize, &buf->f_bsize);
1686 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
1687 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
1688 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
1689 error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1690 error |= __put_user(kbuf.f_files, &buf->f_files);
1691 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
1692 error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1694 error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1696 error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1698 for(i = 0; i < 16; i++)
1699 error |= __put_user(0, &buf->f_basetype[i]);
1700 error |= __put_user(0, &buf->f_flag);
1701 error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
1702 error |= __clear_user(buf->f_fstr, sizeof(buf->f_fstr[i])) ? -EFAULT : 0;
1710 asmlinkage int irix_getmountid(char __user *fname, unsigned long __user *midbuf)
1714 printk("[%s:%d] irix_getmountid(%s, %p)\n",
1715 current->comm, current->pid, fname, midbuf);
1716 if (!access_ok(VERIFY_WRITE, midbuf, (sizeof(unsigned long) * 4)))
1720 * The idea with this system call is that when trying to determine
1721 * 'pwd' and it's a toss-up for some reason, userland can use the
1722 * fsid of the filesystem to try and make the right decision, but
1723 * we don't have this so for now. XXX
1725 err = __put_user(0, &midbuf[0]);
1726 err |= __put_user(0, &midbuf[1]);
1727 err |= __put_user(0, &midbuf[2]);
1728 err |= __put_user(0, &midbuf[3]);
1733 asmlinkage int irix_nsproc(unsigned long entry, unsigned long mask,
1734 unsigned long arg, unsigned long sp, int slen)
1736 printk("[%s:%d] Wheee.. irix_nsproc(%08lx,%08lx,%08lx,%08lx,%d)\n",
1737 current->comm, current->pid, entry, mask, arg, sp, slen);
1742 #undef DEBUG_GETDENTS
1744 struct irix_dirent32 {
1747 unsigned short d_reclen;
1751 struct irix_dirent32_callback {
1752 struct irix_dirent32 __user *current_dir;
1753 struct irix_dirent32 __user *previous;
1758 #define NAME_OFFSET32(de) ((int) ((de)->d_name - (char *) (de)))
1759 #define ROUND_UP32(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1))
1761 static int irix_filldir32(void *__buf, const char *name,
1762 int namlen, loff_t offset, ino_t ino, unsigned int d_type)
1764 struct irix_dirent32 __user *dirent;
1765 struct irix_dirent32_callback *buf = __buf;
1766 unsigned short reclen = ROUND_UP32(NAME_OFFSET32(dirent) + namlen + 1);
1769 #ifdef DEBUG_GETDENTS
1770 printk("\nirix_filldir32[reclen<%d>namlen<%d>count<%d>]",
1771 reclen, namlen, buf->count);
1773 buf->error = -EINVAL; /* only used if we fail.. */
1774 if (reclen > buf->count)
1776 dirent = buf->previous;
1778 err = __put_user(offset, &dirent->d_off);
1779 dirent = buf->current_dir;
1780 err |= __put_user(dirent, &buf->previous);
1781 err |= __put_user(ino, &dirent->d_ino);
1782 err |= __put_user(reclen, &dirent->d_reclen);
1783 err |= copy_to_user((char __user *)dirent->d_name, name, namlen) ? -EFAULT : 0;
1784 err |= __put_user(0, &dirent->d_name[namlen]);
1785 dirent = (struct irix_dirent32 __user *) ((char __user *) dirent + reclen);
1787 buf->current_dir = dirent;
1788 buf->count -= reclen;
1793 asmlinkage int irix_ngetdents(unsigned int fd, void __user * dirent,
1794 unsigned int count, int __user *eob)
1797 struct irix_dirent32 __user *lastdirent;
1798 struct irix_dirent32_callback buf;
1801 #ifdef DEBUG_GETDENTS
1802 printk("[%s:%d] ngetdents(%d, %p, %d, %p) ", current->comm,
1803 current->pid, fd, dirent, count, eob);
1810 buf.current_dir = (struct irix_dirent32 __user *) dirent;
1811 buf.previous = NULL;
1815 error = vfs_readdir(file, irix_filldir32, &buf);
1820 lastdirent = buf.previous;
1822 put_user(file->f_pos, &lastdirent->d_off);
1823 error = count - buf.count;
1826 if (put_user(0, eob) < 0) {
1831 #ifdef DEBUG_GETDENTS
1832 printk("eob=%d returning %d\n", *eob, count - buf.count);
1834 error = count - buf.count;
1842 struct irix_dirent64 {
1845 unsigned short d_reclen;
1849 struct irix_dirent64_callback {
1850 struct irix_dirent64 __user *curr;
1851 struct irix_dirent64 __user *previous;
1856 #define NAME_OFFSET64(de) ((int) ((de)->d_name - (char *) (de)))
1857 #define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1))
1859 static int irix_filldir64(void *__buf, const char *name,
1860 int namlen, loff_t offset, ino_t ino, unsigned int d_type)
1862 struct irix_dirent64 __user *dirent;
1863 struct irix_dirent64_callback * buf = __buf;
1864 unsigned short reclen = ROUND_UP64(NAME_OFFSET64(dirent) + namlen + 1);
1867 if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)))
1870 if (__put_user(-EINVAL, &buf->error)) /* only used if we fail.. */
1872 if (reclen > buf->count)
1874 dirent = buf->previous;
1876 err = __put_user(offset, &dirent->d_off);
1878 buf->previous = dirent;
1879 err |= __put_user(ino, &dirent->d_ino);
1880 err |= __put_user(reclen, &dirent->d_reclen);
1881 err |= __copy_to_user((char __user *)dirent->d_name, name, namlen)
1883 err |= __put_user(0, &dirent->d_name[namlen]);
1885 dirent = (struct irix_dirent64 __user *) ((char __user *) dirent + reclen);
1888 buf->count -= reclen;
1893 asmlinkage int irix_getdents64(int fd, void __user *dirent, int cnt)
1896 struct irix_dirent64 __user *lastdirent;
1897 struct irix_dirent64_callback buf;
1900 #ifdef DEBUG_GETDENTS
1901 printk("[%s:%d] getdents64(%d, %p, %d) ", current->comm,
1902 current->pid, fd, dirent, cnt);
1905 if (!(file = fget(fd)))
1909 if (!access_ok(VERIFY_WRITE, dirent, cnt))
1913 if (cnt < (sizeof(struct irix_dirent64) + 255))
1916 buf.curr = (struct irix_dirent64 __user *) dirent;
1917 buf.previous = NULL;
1920 error = vfs_readdir(file, irix_filldir64, &buf);
1923 lastdirent = buf.previous;
1928 if (put_user(file->f_pos, &lastdirent->d_off))
1930 #ifdef DEBUG_GETDENTS
1931 printk("returning %d\n", cnt - buf.count);
1933 error = cnt - buf.count;
1941 asmlinkage int irix_ngetdents64(int fd, void __user *dirent, int cnt, int *eob)
1944 struct irix_dirent64 __user *lastdirent;
1945 struct irix_dirent64_callback buf;
1948 #ifdef DEBUG_GETDENTS
1949 printk("[%s:%d] ngetdents64(%d, %p, %d) ", current->comm,
1950 current->pid, fd, dirent, cnt);
1953 if (!(file = fget(fd)))
1957 if (!access_ok(VERIFY_WRITE, dirent, cnt) ||
1958 !access_ok(VERIFY_WRITE, eob, sizeof(*eob)))
1962 if (cnt < (sizeof(struct irix_dirent64) + 255))
1966 buf.curr = (struct irix_dirent64 __user *) dirent;
1967 buf.previous = NULL;
1970 error = vfs_readdir(file, irix_filldir64, &buf);
1973 lastdirent = buf.previous;
1978 if (put_user(file->f_pos, &lastdirent->d_off))
1980 #ifdef DEBUG_GETDENTS
1981 printk("eob=%d returning %d\n", *eob, cnt - buf.count);
1983 error = cnt - buf.count;
1991 asmlinkage int irix_uadmin(unsigned long op, unsigned long func, unsigned long arg)
1998 printk("[%s:%d] irix_uadmin: Wants to reboot...\n",
1999 current->comm, current->pid);
2005 printk("[%s:%d] irix_uadmin: Wants to shutdown...\n",
2006 current->comm, current->pid);
2012 printk("[%s:%d] irix_uadmin: Wants to remount root...\n",
2013 current->comm, current->pid);
2018 /* Kill all tasks. */
2019 printk("[%s:%d] irix_uadmin: Wants to kill all tasks...\n",
2020 current->comm, current->pid);
2025 /* Set magic mushrooms... */
2026 printk("[%s:%d] irix_uadmin: Wants to set magic mushroom[%d]...\n",
2027 current->comm, current->pid, (int) func);
2032 printk("[%s:%d] irix_uadmin: Unknown operation [%d]...\n",
2033 current->comm, current->pid, (int) op);
2042 asmlinkage int irix_utssys(char __user *inbuf, int arg, int type, char __user *outbuf)
2049 retval = irix_uname((struct iuname __user *)inbuf);
2054 printk("[%s:%d] irix_utssys: Wants to do ustat()\n",
2055 current->comm, current->pid);
2061 printk("[%s:%d] irix_utssys: Wants to do fusers()\n",
2062 current->comm, current->pid);
2067 printk("[%s:%d] irix_utssys: Wants to do unknown type[%d]\n",
2068 current->comm, current->pid, (int) type);
2079 #define IRIX_F_ALLOCSP 10
2081 asmlinkage int irix_fcntl(int fd, int cmd, int arg)
2086 printk("[%s:%d] irix_fcntl(%d, %d, %d) ", current->comm,
2087 current->pid, fd, cmd, arg);
2089 if (cmd == IRIX_F_ALLOCSP){
2092 retval = sys_fcntl(fd, cmd, arg);
2094 printk("%d\n", retval);
2099 asmlinkage int irix_ulimit(int cmd, int arg)
2105 printk("[%s:%d] irix_ulimit: Wants to get file size limit.\n",
2106 current->comm, current->pid);
2111 printk("[%s:%d] irix_ulimit: Wants to set file size limit.\n",
2112 current->comm, current->pid);
2117 printk("[%s:%d] irix_ulimit: Wants to get brk limit.\n",
2118 current->comm, current->pid);
2124 printk("[%s:%d] irix_ulimit: Wants to get fd limit.\n",
2125 current->comm, current->pid);
2129 retval = current->signal->rlim[RLIMIT_NOFILE].rlim_cur;
2133 printk("[%s:%d] irix_ulimit: Wants to get txt offset.\n",
2134 current->comm, current->pid);
2139 printk("[%s:%d] irix_ulimit: Unknown command [%d].\n",
2140 current->comm, current->pid, cmd);
2148 asmlinkage int irix_unimp(struct pt_regs *regs)
2150 printk("irix_unimp [%s:%d] v0=%d v1=%d a0=%08lx a1=%08lx a2=%08lx "
2151 "a3=%08lx\n", current->comm, current->pid,
2152 (int) regs->regs[2], (int) regs->regs[3],
2153 regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]);