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Entries for the vn driver completed.

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This commit is contained in:
Poul-Henning Kamp 1994-12-04 20:08:57 +00:00
parent 9020e0737c
commit ae063c2896
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=4962
1 changed files with 26 additions and 39 deletions
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65
sys/i386/i386/conf.c
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@ -41,7 +41,7 @@
* SUCH DAMAGE.
*
* from: @(#)conf.c 5.8 (Berkeley) 5/12/91
* $Id: conf.c,v 1.42 1994/12/03 00:18:15 wollman Exp $
* $Id: conf.c,v 1.43 1994/12/04 07:14:16 phk Exp $
*/
#include <sys/param.h>
@ -214,12 +214,22 @@ d_ioctl_t fdioctl;
#define fdsize (d_psize_t *)0
#endif
#include "vn.h"
#if NVN > 0
d_open_t vnopen;
d_close_t vnclose;
d_strategy_t vnstrategy;
d_ioctl_t vnioctl;
d_dump_t vndump;
d_psize_t vnsize;
#else
#define vnopen (d_open_t *)enxio
#define vnclose (d_close_t *)enxio
#define vnstrategy (d_strategy_t *)enxio
#define vnioctl (d_ioctl_t *)enxio
#define vndump (d_dump_t *)enxio
#define vnsize (d_psize_t *)0
#endif
#define swopen (d_open_t *)enodev
#define swclose (d_close_t *)enodev
@ -823,6 +833,8 @@ isdisk(dev, type)
{
switch (major(dev)) {
case 15:
return (1);
case 0:
case 2:
case 4:
@ -834,8 +846,8 @@ isdisk(dev, type)
case 3:
case 9:
case 13:
case 15:
case 29:
case 43:
if (type == VCHR)
return (1);
/* fall through */
@ -845,53 +857,28 @@ isdisk(dev, type)
/* NOTREACHED */
}
#define MAXDEV 32
static int chrtoblktbl[MAXDEV] = {
/* VCHR */ /* VBLK */
/* 0 */ NODEV,
/* 1 */ NODEV,
/* 2 */ NODEV,
/* 3 */ 0,
/* 4 */ NODEV,
/* 5 */ NODEV,
/* 6 */ NODEV,
/* 7 */ NODEV,
/* 8 */ NODEV,
/* 9 */ 2,
/* 10 */ 3,
/* 11 */ NODEV,
/* 12 */ NODEV,
/* 13 */ 4,
/* 14 */ 5,
/* 15 */ 6,
/* 16 */ NODEV,
/* 17 */ NODEV,
/* 18 */ NODEV,
/* 19 */ NODEV,
/* 20 */ NODEV,
/* 21 */ NODEV,
/* 22 */ NODEV,
/* 23 */ NODEV,
/* 25 */ NODEV,
/* 26 */ NODEV,
/* 27 */ NODEV,
/* 28 */ NODEV,
/* 29 */ 7,
/* 30 */ NODEV,
/* 31 */ NODEV,
};
/*
* Routine to convert from character to block device number.
*
* A minimal stub routine can always return NODEV.
*/
int
dev_t
chrtoblk(dev)
dev_t dev;
{
int blkmaj;
if (major(dev) >= MAXDEV || (blkmaj = chrtoblktbl[major(dev)]) == NODEV)
switch (major(dev)) {
case 3: blkmaj = 0; break;
case 9: blkmaj = 2; break;
case 10: blkmaj = 3; break;
case 13: blkmaj = 4; break;
case 14: blkmaj = 5; break;
case 15: blkmaj = 6; break;
case 29: blkmaj = 7; break;
case 43: blkmaj = 15; break;
default:
return (NODEV);
}
return (makedev(blkmaj, minor(dev)));
}