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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | #ifndef _LINUX_MAJOR_H
#define _LINUX_MAJOR_H
/*
* This file has definitions for major device numbers.
* For the device number assignments, see Documentation/devices.txt.
*/
/* limits */
/*
* Important: Don't change this to 256. Major number 255 is and must be
* reserved for future expansion into a larger dev_t space.
*/
#define MAX_CHRDEV 255
#define MAX_BLKDEV 255
#define UNNAMED_MAJOR 0
#define MEM_MAJOR 1
#define RAMDISK_MAJOR 1
#define FLOPPY_MAJOR 2
#define PTY_MASTER_MAJOR 2
#define IDE0_MAJOR 3
#define PTY_SLAVE_MAJOR 3
#define HD_MAJOR IDE0_MAJOR
#define TTY_MAJOR 4
#define TTYAUX_MAJOR 5
#define LP_MAJOR 6
#define VCS_MAJOR 7
#define LOOP_MAJOR 7
#define SCSI_DISK_MAJOR 8
#define SCSI_TAPE_MAJOR 9
#define MD_MAJOR 9
#define MISC_MAJOR 10
#define SCSI_CDROM_MAJOR 11
#define QIC02_TAPE_MAJOR 12
#define XT_DISK_MAJOR 13
#define SOUND_MAJOR 14
#define CDU31A_CDROM_MAJOR 15
#define JOYSTICK_MAJOR 15
#define GOLDSTAR_CDROM_MAJOR 16
#define OPTICS_CDROM_MAJOR 17
#define SANYO_CDROM_MAJOR 18
#define CYCLADES_MAJOR 19
#define CYCLADESAUX_MAJOR 20
#define MITSUMI_X_CDROM_MAJOR 20
#define MFM_ACORN_MAJOR 21 /* ARM Linux /dev/mfm */
#define SCSI_GENERIC_MAJOR 21
#define Z8530_MAJOR 34
#define DIGI_MAJOR 23
#define IDE1_MAJOR 22
#define DIGICU_MAJOR 22
#define MITSUMI_CDROM_MAJOR 23
#define CDU535_CDROM_MAJOR 24
#define STL_SERIALMAJOR 24
#define MATSUSHITA_CDROM_MAJOR 25
#define STL_CALLOUTMAJOR 25
#define MATSUSHITA_CDROM2_MAJOR 26
#define QIC117_TAPE_MAJOR 27
#define MATSUSHITA_CDROM3_MAJOR 27
#define MATSUSHITA_CDROM4_MAJOR 28
#define STL_SIOMEMMAJOR 28
#define ACSI_MAJOR 28
#define AZTECH_CDROM_MAJOR 29
#define GRAPHDEV_MAJOR 29 /* SparcLinux & Linux/68k /dev/fb */
#define CM206_CDROM_MAJOR 32
#define IDE2_MAJOR 33
#define IDE3_MAJOR 34
#define NETLINK_MAJOR 36
#define PS2ESDI_MAJOR 36
#define IDETAPE_MAJOR 37
#define Z2RAM_MAJOR 37
#define APBLOCK_MAJOR 38 /* AP1000 Block device */
#define DDV_MAJOR 39 /* AP1000 DDV block device */
#define NBD_MAJOR 43 /* Network block device */
#define RISCOM8_NORMAL_MAJOR 48
#define RISCOM8_CALLOUT_MAJOR 49
#define MKISS_MAJOR 55
#define DSP56K_MAJOR 55 /* DSP56001 processor device */
#define IDE4_MAJOR 56
#define IDE5_MAJOR 57
#define SPECIALIX_NORMAL_MAJOR 75
#define SPECIALIX_CALLOUT_MAJOR 76
#define UNIX98_PTY_MASTER_MAJOR 128
#define UNIX98_PTY_MAJOR_COUNT 8
#define UNIX98_PTY_SLAVE_MAJOR (UNIX98_PTY_MASTER_MAJOR+UNIX98_PTY_MAJOR_COUNT)
/*
* Tests for SCSI devices.
*/
#define SCSI_BLK_MAJOR(M) \
((M) == SCSI_DISK_MAJOR \
|| (M) == SCSI_CDROM_MAJOR)
static __inline__ int scsi_blk_major(int m) {
return SCSI_BLK_MAJOR(m);
}
#endif
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