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- #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_DISK0_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 SCSI_DISK1_MAJOR 65
- #define SCSI_DISK2_MAJOR 66
- #define SCSI_DISK3_MAJOR 67
- #define SCSI_DISK4_MAJOR 68
- #define SCSI_DISK5_MAJOR 69
- #define SCSI_DISK6_MAJOR 70
- #define SCSI_DISK7_MAJOR 71
-
- #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_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \
- ((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR))
-
- #define SCSI_BLK_MAJOR(M) \
- (SCSI_DISK_MAJOR(M) \
- || (M) == SCSI_CDROM_MAJOR)
-
- static __inline__ int scsi_blk_major(int m) {
- return SCSI_BLK_MAJOR(m);
- }
-
- #endif
-