91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
#ifndef _LINUX_MAJOR_H
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#define _LINUX_MAJOR_H
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/*
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* This file has definitions for major device numbers
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*/
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/* limits */
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#define MAX_CHRDEV 32
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#define MAX_BLKDEV 32
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/*
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* assignments
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*
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* devices are as follows (same as minix, so we can use the minix fs):
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*
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* character block comments
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* -------------------- -------------------- --------------------
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* 0 - unnamed unnamed minor 0 = true nodev
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* 1 - /dev/mem ramdisk
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* 2 - floppy
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* 3 - hd
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* 4 - /dev/tty*
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* 5 - /dev/tty; /dev/cua*
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* 6 - lp
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* 7 - UNUSED
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* 8 - scsi disk
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* 9 - scsi tape
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* 10 - mice
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* 11 - scsi cdrom
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* 12 - qic02 tape
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* 13 - xt disk
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* 14 - sound card
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* 15 - cdu31a cdrom
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* 16 - sockets
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* 17 - af_unix
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* 18 - af_inet
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* 19 - UNUSED
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* 20 - UNUSED
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* 21 - scsi generic
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* 22 - (at2disk)
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* 23 - mitsumi cdrom
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* 24 - sony535 cdrom
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* 25 - matsushita cdrom minors 0..3
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* 26 -
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* 27 - qic117 tape
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*/
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#define UNNAMED_MAJOR 0
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#define MEM_MAJOR 1
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#define FLOPPY_MAJOR 2
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#define HD_MAJOR 3
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#define TTY_MAJOR 4
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#define TTYAUX_MAJOR 5
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#define LP_MAJOR 6
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/* unused: 7 */
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#define SCSI_DISK_MAJOR 8
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#define SCSI_TAPE_MAJOR 9
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#define MOUSE_MAJOR 10
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#define SCSI_CDROM_MAJOR 11
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#define QIC02_TAPE_MAJOR 12
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#define XT_DISK_MAJOR 13
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#define SOUND_MAJOR 14
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#define CDU31A_CDROM_MAJOR 15
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#define SOCKET_MAJOR 16
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#define AF_UNIX_MAJOR 17
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#define AF_INET_MAJOR 18
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/* unused: 19, 20 */
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#define SCSI_GENERIC_MAJOR 21
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/* unused: 22 */
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#define MITSUMI_CDROM_MAJOR 23
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#define CDU535_CDROM_MAJOR 24
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#define MATSUSHITA_CDROM_MAJOR 25
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#define QIC117_TAPE_MAJOR 27
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/*
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* Tests for SCSI devices.
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*/
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#define SCSI_MAJOR(M) \
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((M) == SCSI_DISK_MAJOR \
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|| (M) == SCSI_TAPE_MAJOR \
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|| (M) == SCSI_CDROM_MAJOR \
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|| (M) == SCSI_GENERIC_MAJOR)
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static inline int scsi_major(int m) {
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return SCSI_MAJOR(m);
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}
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#endif
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