aboutsummaryrefslogblamecommitdiffstats
path: root/arch/sparc64/solaris/ioctl.c
blob: be0a054e3ed6b1d3c22b652978a56d916aa25c0f (plain) (tree)
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823

























                                                                      
                           












































































































































































































































































                                                                                                       
                            
                                                                       
                        



                                                       
                                      
                                  

                             
                          


































































































































































































































































































































































































































































































































                                                                                                      
/* $Id: ioctl.c,v 1.17 2002/02/08 03:57:14 davem Exp $
 * ioctl.c: Solaris ioctl emulation.
 *
 * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
 * Copyright (C) 1997,1998 Patrik Rak (prak3264@ss1000.ms.mff.cuni.cz)
 *
 * Streams & timod emulation based on code
 * Copyright (C) 1995, 1996 Mike Jagdis (jaggy@purplet.demon.co.uk)
 *
 * 1999-08-19 Implemented solaris 'm' (mag tape) and
 *            'O' (openprom) ioctls, by Jason Rappleye
 *             (rappleye@ccr.buffalo.edu)
 */

#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/syscalls.h>
#include <linux/ioctl.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/netdevice.h>
#include <linux/mtio.h>
#include <linux/time.h>
#include <linux/rcupdate.h>
#include <linux/compat.h>

#include <net/sock.h>

#include <asm/uaccess.h>
#include <asm/termios.h>
#include <asm/openpromio.h>

#include "conv.h"
#include "socksys.h"

extern asmlinkage int compat_sys_ioctl(unsigned int fd, unsigned int cmd,
	u32 arg);
asmlinkage int solaris_ioctl(unsigned int fd, unsigned int cmd, u32 arg);

extern int timod_putmsg(unsigned int fd, char __user *ctl_buf, int ctl_len,
			char __user *data_buf, int data_len, int flags);
extern int timod_getmsg(unsigned int fd, char __user *ctl_buf, int ctl_maxlen, int __user *ctl_len,
			char __user *data_buf, int data_maxlen, int __user *data_len, int *flags);

/* termio* stuff {{{ */

struct solaris_termios {
	u32	c_iflag;
	u32	c_oflag;
	u32	c_cflag;
	u32	c_lflag;
	u8	c_cc[19];
};

struct solaris_termio {
	u16	c_iflag;
	u16	c_oflag;
	u16	c_cflag;
	u16	c_lflag;
	s8	c_line;
	u8	c_cc[8];
};

struct solaris_termiox {
	u16	x_hflag;
	u16	x_cflag;
	u16	x_rflag[5];
	u16	x_sflag;
};

static u32 solaris_to_linux_cflag(u32 cflag)
{
	cflag &= 0x7fdff000;
	if (cflag & 0x200000) {
		int baud = cflag & 0xf;
		cflag &= ~0x20000f;
		switch (baud) {
		case 0: baud = B57600; break;
		case 1: baud = B76800; break;
		case 2: baud = B115200; break;
		case 3: baud = B153600; break;
		case 4: baud = B230400; break;
		case 5: baud = B307200; break;
		case 6: baud = B460800; break;
		}
		cflag |= CBAUDEX | baud;
	}
	return cflag;
}

static u32 linux_to_solaris_cflag(u32 cflag)
{
	cflag &= ~(CMSPAR | CIBAUD);
	if (cflag & CBAUDEX) {
		int baud = cflag & CBAUD;
		cflag &= ~CBAUD;
		switch (baud) {
		case B57600: baud = 0; break;
		case B76800: baud = 1; break;
		case B115200: baud = 2; break;
		case B153600: baud = 3; break;
		case B230400: baud = 4; break;
		case B307200: baud = 5; break;
		case B460800: baud = 6; break;
		case B614400: baud = 7; break;
		case B921600: baud = 8; break;
#if 0		
		case B1843200: baud = 9; break;
#endif
		}
		cflag |= 0x200000 | baud;
	}
	return cflag;
}

static inline int linux_to_solaris_termio(unsigned int fd, unsigned int cmd, u32 arg)
{
	struct solaris_termio __user *p = A(arg);
	int ret;
	
	ret = sys_ioctl(fd, cmd, (unsigned long)p);
	if (!ret) {
		u32 cflag;
		
		if (__get_user (cflag, &p->c_cflag))
			return -EFAULT;
		cflag = linux_to_solaris_cflag(cflag);
		if (__put_user (cflag, &p->c_cflag))
			return -EFAULT;
	}
	return ret;
}

static int solaris_to_linux_termio(unsigned int fd, unsigned int cmd, u32 arg)
{
	int ret;
	struct solaris_termio s;
	mm_segment_t old_fs = get_fs();
	
	if (copy_from_user (&s, (struct solaris_termio __user *)A(arg), sizeof(struct solaris_termio)))
		return -EFAULT;
	s.c_cflag = solaris_to_linux_cflag(s.c_cflag);
	set_fs(KERNEL_DS);
	ret = sys_ioctl(fd, cmd, (unsigned long)&s);
	set_fs(old_fs);
	return ret;
}

static inline int linux_to_solaris_termios(unsigned int fd, unsigned int cmd, u32 arg)
{
	int ret;
	struct solaris_termios s;
	mm_segment_t old_fs = get_fs();

	set_fs(KERNEL_DS);	
	ret = sys_ioctl(fd, cmd, (unsigned long)&s);
	set_fs(old_fs);
	if (!ret) {
		struct solaris_termios __user *p = A(arg);
		if (put_user (s.c_iflag, &p->c_iflag) ||
		    __put_user (s.c_oflag, &p->c_oflag) ||
		    __put_user (linux_to_solaris_cflag(s.c_cflag), &p->c_cflag) ||
		    __put_user (s.c_lflag, &p->c_lflag) ||
		    __copy_to_user (p->c_cc, s.c_cc, 16) ||
		    __clear_user (p->c_cc + 16, 2))
			return -EFAULT;
	}
	return ret;
}

static int solaris_to_linux_termios(unsigned int fd, unsigned int cmd, u32 arg)
{
	int ret;
	struct solaris_termios s;
	struct solaris_termios __user *p = A(arg);
	mm_segment_t old_fs = get_fs();

	set_fs(KERNEL_DS);
	ret = sys_ioctl(fd, TCGETS, (unsigned long)&s);
	set_fs(old_fs);
	if (ret) return ret;
	if (put_user (s.c_iflag, &p->c_iflag) ||
	    __put_user (s.c_oflag, &p->c_oflag) ||
	    __put_user (s.c_cflag, &p->c_cflag) ||
	    __put_user (s.c_lflag, &p->c_lflag) ||
	    __copy_from_user (s.c_cc, p->c_cc, 16))
		return -EFAULT;
	s.c_cflag = solaris_to_linux_cflag(s.c_cflag);
	set_fs(KERNEL_DS);
	ret = sys_ioctl(fd, cmd, (unsigned long)&s);
	set_fs(old_fs);
	return ret;
}

static inline int solaris_T(unsigned int fd, unsigned int cmd, u32 arg)
{
	switch (cmd & 0xff) {
	case 1: /* TCGETA */
		return linux_to_solaris_termio(fd, TCGETA, arg);
	case 2: /* TCSETA */
		return solaris_to_linux_termio(fd, TCSETA, arg);
	case 3: /* TCSETAW */
		return solaris_to_linux_termio(fd, TCSETAW, arg);
	case 4: /* TCSETAF */
		return solaris_to_linux_termio(fd, TCSETAF, arg);
	case 5: /* TCSBRK */
		return sys_ioctl(fd, TCSBRK, arg);
	case 6: /* TCXONC */
		return sys_ioctl(fd, TCXONC, arg);
	case 7: /* TCFLSH */
		return sys_ioctl(fd, TCFLSH, arg);
	case 13: /* TCGETS */
		return linux_to_solaris_termios(fd, TCGETS, arg);
	case 14: /* TCSETS */
		return solaris_to_linux_termios(fd, TCSETS, arg);
	case 15: /* TCSETSW */
		return solaris_to_linux_termios(fd, TCSETSW, arg);
	case 16: /* TCSETSF */
		return solaris_to_linux_termios(fd, TCSETSF, arg);
	case 103: /* TIOCSWINSZ */
		return sys_ioctl(fd, TIOCSWINSZ, arg);
	case 104: /* TIOCGWINSZ */
		return sys_ioctl(fd, TIOCGWINSZ, arg);
	}
	return -ENOSYS;
}

static inline int solaris_t(unsigned int fd, unsigned int cmd, u32 arg)
{
	switch (cmd & 0xff) {
	case 20: /* TIOCGPGRP */
		return sys_ioctl(fd, TIOCGPGRP, arg);
	case 21: /* TIOCSPGRP */
		return sys_ioctl(fd, TIOCSPGRP, arg);
	}
	return -ENOSYS;
}

/* }}} */

/* A pseudo STREAMS support {{{ */

struct strioctl {
	int cmd, timeout, len;
	u32 data;
};

struct solaris_si_sockparams {
	int sp_family;
	int sp_type;
	int sp_protocol;
};

struct solaris_o_si_udata {
	int tidusize;
	int addrsize;
	int optsize;
	int etsdusize;
	int servtype;
	int so_state;
	int so_options;
	int tsdusize;
};

struct solaris_si_udata {
	int tidusize;
	int addrsize;
	int optsize;
	int etsdusize;
	int servtype;
	int so_state;
	int so_options;
	int tsdusize;
	struct solaris_si_sockparams sockparams;
};

#define SOLARIS_MODULE_TIMOD    0
#define SOLARIS_MODULE_SOCKMOD  1
#define SOLARIS_MODULE_MAX      2

static struct module_info {
        const char *name;
        /* can be expanded further if needed */
} module_table[ SOLARIS_MODULE_MAX + 1 ] = {
        /* the ordering here must match the module numbers above! */
        { "timod" },
        { "sockmod" },
        { NULL }
};

static inline int solaris_sockmod(unsigned int fd, unsigned int cmd, u32 arg)
{
	struct inode *ino;
	struct fdtable *fdt;
	/* I wonder which of these tests are superfluous... --patrik */
	rcu_read_lock();
	fdt = files_fdtable(current->files);
	if (! fdt->fd[fd] ||
	    ! fdt->fd[fd]->f_dentry ||
	    ! (ino = fdt->fd[fd]->f_dentry->d_inode) ||
	    ! S_ISSOCK(ino->i_mode)) {
		rcu_read_unlock();
		return TBADF;
	}
	rcu_read_unlock();
	
	switch (cmd & 0xff) {
	case 109: /* SI_SOCKPARAMS */
	{
		struct solaris_si_sockparams si;
		if (copy_from_user (&si, A(arg), sizeof(si)))
			return (EFAULT << 8) | TSYSERR;

		/* Should we modify socket ino->socket_i.ops and type? */
		return 0;
	}
	case 110: /* SI_GETUDATA */
	{
		int etsdusize, servtype;
		struct solaris_si_udata __user *p = A(arg);
		switch (SOCKET_I(ino)->type) {
		case SOCK_STREAM:
			etsdusize = 1;
			servtype = 2;
			break;
		default:
			etsdusize = -2;
			servtype = 3;
			break;
		}
		if (put_user(16384, &p->tidusize) ||
		    __put_user(sizeof(struct sockaddr), &p->addrsize) ||
		    __put_user(-1, &p->optsize) ||
		    __put_user(etsdusize, &p->etsdusize) ||
		    __put_user(servtype, &p->servtype) ||
		    __put_user(0, &p->so_state) ||
		    __put_user(0, &p->so_options) ||
		    __put_user(16384, &p->tsdusize) ||
		    __put_user(SOCKET_I(ino)->ops->family, &p->sockparams.sp_family) ||
		    __put_user(SOCKET_I(ino)->type, &p->sockparams.sp_type) ||
		    __put_user(SOCKET_I(ino)->ops->family, &p->sockparams.sp_protocol))
			return (EFAULT << 8) | TSYSERR;
		return 0;
	}
	case 101: /* O_SI_GETUDATA */
	{
		int etsdusize, servtype;
		struct solaris_o_si_udata __user *p = A(arg);
		switch (SOCKET_I(ino)->type) {
		case SOCK_STREAM:
			etsdusize = 1;
			servtype = 2;
			break;
		default:
			etsdusize = -2;
			servtype = 3;
			break;
		}
		if (put_user(16384, &p->tidusize) ||
		    __put_user(sizeof(struct sockaddr), &p->addrsize) ||
		    __put_user(-1, &p->optsize) ||
		    __put_user(etsdusize, &p->etsdusize) ||
		    __put_user(servtype, &p->servtype) ||
		    __put_user(0, &p->so_state) ||
		    __put_user(0, &p->so_options) ||
		    __put_user(16384, &p->tsdusize))
			return (EFAULT << 8) | TSYSERR;
		return 0;
	}
	case 102: /* SI_SHUTDOWN */
	case 103: /* SI_LISTEN */
	case 104: /* SI_SETMYNAME */
	case 105: /* SI_SETPEERNAME */
	case 106: /* SI_GETINTRANSIT */
	case 107: /* SI_TCL_LINK */
	case 108: /* SI_TCL_UNLINK */
		;
	}
	return TNOTSUPPORT;
}

static inline int solaris_timod(unsigned int fd, unsigned int cmd, u32 arg,
                                    int len, int __user *len_p)
{
	int ret;
		
	switch (cmd & 0xff) {
	case 141: /* TI_OPTMGMT */
	{
		int i;
		u32 prim;
		SOLD("TI_OPMGMT entry");
		ret = timod_putmsg(fd, A(arg), len, NULL, -1, 0);
		SOLD("timod_putmsg() returned");
		if (ret)
			return (-ret << 8) | TSYSERR;
		i = MSG_HIPRI;
		SOLD("calling timod_getmsg()");
		ret = timod_getmsg(fd, A(arg), len, len_p, NULL, -1, NULL, &i);
		SOLD("timod_getmsg() returned");
		if (ret)
			return (-ret << 8) | TSYSERR;
		SOLD("ret ok");
		if (get_user(prim, (u32 __user *)A(arg)))
			return (EFAULT << 8) | TSYSERR;
		SOLD("got prim");
		if (prim == T_ERROR_ACK) {
			u32 tmp, tmp2;
			SOLD("prim is T_ERROR_ACK");
			if (get_user(tmp, (u32 __user *)A(arg)+3) ||
			    get_user(tmp2, (u32 __user *)A(arg)+2))
				return (EFAULT << 8) | TSYSERR;
			return (tmp2 << 8) | tmp;
		}
		SOLD("TI_OPMGMT return 0");
		return 0;
	}
	case 142: /* TI_BIND */
	{
		int i;
		u32 prim;
		SOLD("TI_BIND entry");
		ret = timod_putmsg(fd, A(arg), len, NULL, -1, 0);
		SOLD("timod_putmsg() returned");
		if (ret)
			return (-ret << 8) | TSYSERR;
		len = 1024; /* Solaris allows arbitrary return size */
		i = MSG_HIPRI;
		SOLD("calling timod_getmsg()");
		ret = timod_getmsg(fd, A(arg), len, len_p, NULL, -1, NULL, &i);
		SOLD("timod_getmsg() returned");
		if (ret)
			return (-ret << 8) | TSYSERR;
		SOLD("ret ok");
		if (get_user(prim, (u32 __user *)A(arg)))
			return (EFAULT << 8) | TSYSERR;
		SOLD("got prim");
		if (prim == T_ERROR_ACK) {
			u32 tmp, tmp2;
			SOLD("prim is T_ERROR_ACK");
			if (get_user(tmp, (u32 __user *)A(arg)+3) ||
			    get_user(tmp2, (u32 __user *)A(arg)+2))
				return (EFAULT << 8) | TSYSERR;
			return (tmp2 << 8) | tmp;
		}
		SOLD("no ERROR_ACK requested");
		if (prim != T_OK_ACK)
			return TBADSEQ;
		SOLD("OK_ACK requested");
		i = MSG_HIPRI;
		SOLD("calling timod_getmsg()");
		ret = timod_getmsg(fd, A(arg), len, len_p, NULL, -1, NULL, &i);
		SOLD("timod_getmsg() returned");
		if (ret)
			return (-ret << 8) | TSYSERR;
		SOLD("TI_BIND return ok");
		return 0;
	}
	case 140: /* TI_GETINFO */
	case 143: /* TI_UNBIND */
	case 144: /* TI_GETMYNAME */
	case 145: /* TI_GETPEERNAME */
	case 146: /* TI_SETMYNAME */
	case 147: /* TI_SETPEERNAME */
		;
	}
	return TNOTSUPPORT;
}

static inline int solaris_S(struct file *filp, unsigned int fd, unsigned int cmd, u32 arg)
{
	char *p;
	int ret;
	mm_segment_t old_fs;
	struct strioctl si;
	struct inode *ino;
        struct sol_socket_struct *sock;
        struct module_info *mi;

        ino = filp->f_dentry->d_inode;
        if (!S_ISSOCK(ino->i_mode))
		return -EBADF;
        sock = filp->private_data;
        if (! sock) {
                printk("solaris_S: NULL private_data\n");
                return -EBADF;
        }
        if (sock->magic != SOLARIS_SOCKET_MAGIC) {
                printk("solaris_S: invalid magic\n");
                return -EBADF;
        }
        

	switch (cmd & 0xff) {
	case 1: /* I_NREAD */
		return -ENOSYS;
	case 2: /* I_PUSH */
        {
		p = getname (A(arg));
		if (IS_ERR (p))
			return PTR_ERR(p);
                ret = -EINVAL;
                for (mi = module_table; mi->name; mi++) {
                        if (strcmp(mi->name, p) == 0) {
                                sol_module m;
                                if (sock->modcount >= MAX_NR_STREAM_MODULES) {
                                        ret = -ENXIO;
                                        break;
                                }
                                m = (sol_module) (mi - module_table);
                                sock->module[sock->modcount++] = m;
                                ret = 0;
                                break;
                        }
                }
		putname (p);
		return ret;
        }
	case 3: /* I_POP */
                if (sock->modcount <= 0) return -EINVAL;
                sock->modcount--;
		return 0;
        case 4: /* I_LOOK */
        {
        	const char *p;
                if (sock->modcount <= 0) return -EINVAL;
                p = module_table[(unsigned)sock->module[sock->modcount]].name;
                if (copy_to_user (A(arg), p, strlen(p)))
                	return -EFAULT;
                return 0;
        }
	case 5: /* I_FLUSH */
		return 0;
	case 8: /* I_STR */
		if (copy_from_user(&si, A(arg), sizeof(struct strioctl)))
			return -EFAULT;
                /* We ignore what module is actually at the top of stack. */
		switch ((si.cmd >> 8) & 0xff) {
		case 'I':
                        return solaris_sockmod(fd, si.cmd, si.data);
		case 'T':
                        return solaris_timod(fd, si.cmd, si.data, si.len,
				&((struct strioctl __user *)A(arg))->len);
		default:
			return solaris_ioctl(fd, si.cmd, si.data);
		}
	case 9: /* I_SETSIG */
		return sys_ioctl(fd, FIOSETOWN, current->pid);
	case 10: /* I_GETSIG */
		old_fs = get_fs();
		set_fs(KERNEL_DS);
		sys_ioctl(fd, FIOGETOWN, (unsigned long)&ret);
		set_fs(old_fs);
		if (ret == current->pid) return 0x3ff;
		else return -EINVAL;
	case 11: /* I_FIND */
        {
                int i;
		p = getname (A(arg));
		if (IS_ERR (p))
			return PTR_ERR(p);
                ret = 0;
                for (i = 0; i < sock->modcount; i++) {
                        unsigned m = sock->module[i];
                        if (strcmp(module_table[m].name, p) == 0) {
                                ret = 1;
                                break;
                        } 
                }
		putname (p);
		return ret;
        }
	case 19: /* I_SWROPT */
	case 32: /* I_SETCLTIME */
		return 0;	/* Lie */
	}
	return -ENOSYS;
}

static inline int solaris_s(unsigned int fd, unsigned int cmd, u32 arg)
{
	switch (cmd & 0xff) {
	case 0: /* SIOCSHIWAT */
	case 2: /* SIOCSLOWAT */
		return 0; /* We don't support them */
	case 1: /* SIOCGHIWAT */
	case 3: /* SIOCGLOWAT */
		if (put_user (0, (u32 __user *)A(arg)))
			return -EFAULT;
		return 0; /* Lie */
	case 7: /* SIOCATMARK */
		return sys_ioctl(fd, SIOCATMARK, arg);
	case 8: /* SIOCSPGRP */
		return sys_ioctl(fd, SIOCSPGRP, arg);
	case 9: /* SIOCGPGRP */
		return sys_ioctl(fd, SIOCGPGRP, arg);
	}
	return -ENOSYS;
}

static inline int solaris_r(unsigned int fd, unsigned int cmd, u32 arg)
{
	switch (cmd & 0xff) {
	case 10: /* SIOCADDRT */
		return compat_sys_ioctl(fd, SIOCADDRT, arg);
	case 11: /* SIOCDELRT */
		return compat_sys_ioctl(fd, SIOCDELRT, arg);
	}
	return -ENOSYS;
}

static inline int solaris_i(unsigned int fd, unsigned int cmd, u32 arg)
{
	switch (cmd & 0xff) {
	case 12: /* SIOCSIFADDR */
		return compat_sys_ioctl(fd, SIOCSIFADDR, arg);
	case 13: /* SIOCGIFADDR */
		return compat_sys_ioctl(fd, SIOCGIFADDR, arg);
	case 14: /* SIOCSIFDSTADDR */
		return compat_sys_ioctl(fd, SIOCSIFDSTADDR, arg);
	case 15: /* SIOCGIFDSTADDR */
		return compat_sys_ioctl(fd, SIOCGIFDSTADDR, arg);
	case 16: /* SIOCSIFFLAGS */
		return compat_sys_ioctl(fd, SIOCSIFFLAGS, arg);
	case 17: /* SIOCGIFFLAGS */
		return compat_sys_ioctl(fd, SIOCGIFFLAGS, arg);
	case 18: /* SIOCSIFMEM */
		return compat_sys_ioctl(fd, SIOCSIFMEM, arg);
	case 19: /* SIOCGIFMEM */
		return compat_sys_ioctl(fd, SIOCGIFMEM, arg);
	case 20: /* SIOCGIFCONF */
		return compat_sys_ioctl(fd, SIOCGIFCONF, arg);
	case 21: /* SIOCSIFMTU */
		return compat_sys_ioctl(fd, SIOCSIFMTU, arg);
	case 22: /* SIOCGIFMTU */
		return compat_sys_ioctl(fd, SIOCGIFMTU, arg);
	case 23: /* SIOCGIFBRDADDR */
		return compat_sys_ioctl(fd, SIOCGIFBRDADDR, arg);
	case 24: /* SIOCSIFBRDADDR */
		return compat_sys_ioctl(fd, SIOCSIFBRDADDR, arg);
	case 25: /* SIOCGIFNETMASK */
		return compat_sys_ioctl(fd, SIOCGIFNETMASK, arg);
	case 26: /* SIOCSIFNETMASK */
		return compat_sys_ioctl(fd, SIOCSIFNETMASK, arg);
	case 27: /* SIOCGIFMETRIC */
		return compat_sys_ioctl(fd, SIOCGIFMETRIC, arg);
	case 28: /* SIOCSIFMETRIC */
		return compat_sys_ioctl(fd, SIOCSIFMETRIC, arg);
	case 30: /* SIOCSARP */
		return compat_sys_ioctl(fd, SIOCSARP, arg);
	case 31: /* SIOCGARP */
		return compat_sys_ioctl(fd, SIOCGARP, arg);
	case 32: /* SIOCDARP */
		return compat_sys_ioctl(fd, SIOCDARP, arg);
	case 52: /* SIOCGETNAME */
	case 53: /* SIOCGETPEER */
		{
			struct sockaddr uaddr;
			int uaddr_len = sizeof(struct sockaddr), ret;
			long args[3];
			mm_segment_t old_fs = get_fs();
			int (*sys_socketcall)(int, unsigned long *) =
				(int (*)(int, unsigned long *))SYS(socketcall);
			
			args[0] = fd; args[1] = (long)&uaddr; args[2] = (long)&uaddr_len;
			set_fs(KERNEL_DS);
			ret = sys_socketcall(((cmd & 0xff) == 52) ? SYS_GETSOCKNAME : SYS_GETPEERNAME,
					args);
			set_fs(old_fs);
			if (ret >= 0) {
				if (copy_to_user(A(arg), &uaddr, uaddr_len))
					return -EFAULT;
			}
			return ret;
		}
#if 0		
	case 86: /* SIOCSOCKSYS */
		return socksys_syscall(fd, arg);
#endif		
	case 87: /* SIOCGIFNUM */
		{
			struct net_device *d;
			int i = 0;
			
			read_lock_bh(&dev_base_lock);
			for (d = dev_base; d; d = d->next) i++;
			read_unlock_bh(&dev_base_lock);

			if (put_user (i, (int __user *)A(arg)))
				return -EFAULT;
			return 0;
		}
	}
	return -ENOSYS;
}

static int solaris_m(unsigned int fd, unsigned int cmd, u32 arg)
{
	int ret;

	switch (cmd & 0xff) {
	case 1: /* MTIOCTOP */
		ret = sys_ioctl(fd, MTIOCTOP, (unsigned long)&arg);
		break;
	case 2: /* MTIOCGET */
		ret = sys_ioctl(fd, MTIOCGET, (unsigned long)&arg);
		break;
	case 3: /* MTIOCGETDRIVETYPE */
	case 4: /* MTIOCPERSISTENT */
	case 5: /* MTIOCPERSISTENTSTATUS */
	case 6: /* MTIOCLRERR */
	case 7: /* MTIOCGUARANTEEDORDER */
	case 8: /* MTIOCRESERVE */
	case 9: /* MTIOCRELEASE */
	case 10: /* MTIOCFORCERESERVE */
	case 13: /* MTIOCSTATE */
	case 14: /* MTIOCREADIGNOREILI */
	case 15: /* MTIOCREADIGNOREEOFS */
	case 16: /* MTIOCSHORTFMK */
	default:
		ret = -ENOSYS; /* linux doesn't support these */
		break;
	};

	return ret;
}

static int solaris_O(unsigned int fd, unsigned int cmd, u32 arg)
{
	int ret = -EINVAL;

	switch (cmd & 0xff) {
	case 1: /* OPROMGETOPT */
		ret = sys_ioctl(fd, OPROMGETOPT, arg);
		break;
	case 2: /* OPROMSETOPT */
		ret = sys_ioctl(fd, OPROMSETOPT, arg);
		break;
	case 3: /* OPROMNXTOPT */
		ret = sys_ioctl(fd, OPROMNXTOPT, arg);
		break;
	case 4: /* OPROMSETOPT2 */
		ret = sys_ioctl(fd, OPROMSETOPT2, arg);
		break;
	case 5: /* OPROMNEXT */
		ret = sys_ioctl(fd, OPROMNEXT, arg);
		break;
	case 6: /* OPROMCHILD */
		ret = sys_ioctl(fd, OPROMCHILD, arg);
		break;
	case 7: /* OPROMGETPROP */
		ret = sys_ioctl(fd, OPROMGETPROP, arg);
		break;
	case 8: /* OPROMNXTPROP */
		ret = sys_ioctl(fd, OPROMNXTPROP, arg);
		break;
	case 9: /* OPROMU2P */
		ret = sys_ioctl(fd, OPROMU2P, arg);
		break;
	case 10: /* OPROMGETCONS */
		ret = sys_ioctl(fd, OPROMGETCONS, arg);
		break;
	case 11: /* OPROMGETFBNAME */
		ret = sys_ioctl(fd, OPROMGETFBNAME, arg);
		break;
	case 12: /* OPROMGETBOOTARGS */
		ret = sys_ioctl(fd, OPROMGETBOOTARGS, arg);
		break;
	case 13: /* OPROMGETVERSION */
	case 14: /* OPROMPATH2DRV */
	case 15: /* OPROMDEV2PROMNAME */
	case 16: /* OPROMPROM2DEVNAME */
	case 17: /* OPROMGETPROPLEN */
	default:
		ret = -EINVAL;
		break;
	};
	return ret;
}

/* }}} */

asmlinkage int solaris_ioctl(unsigned int fd, unsigned int cmd, u32 arg)
{
	struct file *filp;
	int error = -EBADF;

	filp = fget(fd);
	if (!filp)
		goto out;

	lock_kernel();
	error = -EFAULT;
	switch ((cmd >> 8) & 0xff) {
	case 'S': error = solaris_S(filp, fd, cmd, arg); break;
	case 'T': error = solaris_T(fd, cmd, arg); break;
	case 'i': error = solaris_i(fd, cmd, arg); break;
	case 'r': error = solaris_r(fd, cmd, arg); break;
	case 's': error = solaris_s(fd, cmd, arg); break;
	case 't': error = solaris_t(fd, cmd, arg); break;
	case 'f': error = sys_ioctl(fd, cmd, arg); break;
	case 'm': error = solaris_m(fd, cmd, arg); break;
	case 'O': error = solaris_O(fd, cmd, arg); break;
	default:
		error = -ENOSYS;
		break;
	}
	unlock_kernel();
	fput(filp);
out:
	if (error == -ENOSYS) {
		unsigned char c = cmd>>8;
		
		if (c < ' ' || c > 126) c = '.';
		printk("solaris_ioctl: Unknown cmd fd(%d) cmd(%08x '%c') arg(%08x)\n",
		       (int)fd, (unsigned int)cmd, c, (unsigned int)arg);
		error = -EINVAL;
	}
	return error;
}