include/linux/major.h

   1 #ifndef _LINUX_MAJOR_H
   2 #define _LINUX_MAJOR_H
   3
   4 /*
   5  * This file has definitions for major device numbers.
   6  * For the device number assignments, see Documentation/devices.txt.
   7  */
   8
   9 /* limits */
  10
  11 #define MAX_CHRDEV 128
  12 #define MAX_BLKDEV 128
  13
  14 #define UNNAMED_MAJOR   0
  15 #define MEM_MAJOR       1
  16 #define RAMDISK_MAJOR   1
  17 #define FLOPPY_MAJOR    2
  18 #define PTY_MASTER_MAJOR 2
  19 #define IDE0_MAJOR      3
  20 #define PTY_SLAVE_MAJOR 3
  21 #define HD_MAJOR        IDE0_MAJOR
  22 #define TTY_MAJOR       4
  23 #define TTYAUX_MAJOR    5
  24 #define LP_MAJOR        6
  25 #define VCS_MAJOR       7
  26 #define LOOP_MAJOR      7
  27 #define SCSI_DISK_MAJOR 8
  28 #define SCSI_TAPE_MAJOR 9
  29 #define MD_MAJOR        9
  30 #define MISC_MAJOR      10
  31 #define SCSI_CDROM_MAJOR 11
  32 #define QIC02_TAPE_MAJOR 12
  33 #define XT_DISK_MAJOR   13
  34 #define SOUND_MAJOR     14
  35 #define CDU31A_CDROM_MAJOR 15
  36 #define JOYSTICK_MAJOR  15
  37 #define GOLDSTAR_CDROM_MAJOR 16
  38 #define OPTICS_CDROM_MAJOR 17
  39 #define SANYO_CDROM_MAJOR 18
  40 #define CYCLADES_MAJOR  19
  41 #define CYCLADESAUX_MAJOR 20
  42 #define MITSUMI_X_CDROM_MAJOR 20
  43 #define SCSI_GENERIC_MAJOR 21
  44 #define Z8530_MAJOR 34
  45 #define DIGI_MAJOR 23
  46 #define IDE1_MAJOR      22
  47 #define DIGICU_MAJOR 22
  48 #define MITSUMI_CDROM_MAJOR 23
  49 #define CDU535_CDROM_MAJOR 24
  50 #define STL_SERIALMAJOR 24
  51 #define MATSUSHITA_CDROM_MAJOR 25
  52 #define STL_CALLOUTMAJOR 25
  53 #define MATSUSHITA_CDROM2_MAJOR 26
  54 #define QIC117_TAPE_MAJOR 27
  55 #define MATSUSHITA_CDROM3_MAJOR 27
  56 #define MATSUSHITA_CDROM4_MAJOR 28
  57 #define STL_SIOMEMMAJOR 28
  58 #define ACSI_MAJOR      28
  59 #define AZTECH_CDROM_MAJOR 29
  60 #define GRAPHDEV_MAJOR  29      /* SparcLinux & Linux/68k /dev/fb */
  61 #define CM206_CDROM_MAJOR 32
  62 #define IDE2_MAJOR      33
  63 #define IDE3_MAJOR      34
  64 #define NETLINK_MAJOR   36
  65 #define PS2ESDI_MAJOR   36
  66 #define IDETAPE_MAJOR   37
  67 #define Z2RAM_MAJOR     37
  68 #define APBLOCK_MAJOR   38   /* AP1000 Block device */
  69 #define DDV_MAJOR       39   /* AP1000 DDV block device */
  70 #define RISCOM8_NORMAL_MAJOR 48
  71 #define RISCOM8_CALLOUT_MAJOR 49
  72 #define MKISS_MAJOR     55
  73 #define DSP56K_MAJOR    55   /* DSP56001 processor device */
  74
  75 /*
  76  * Tests for SCSI devices.
  77  */
  78
  79 #define SCSI_BLK_MAJOR(M) \
  80   ((M) == SCSI_DISK_MAJOR       \
  81    || (M) == SCSI_CDROM_MAJOR)
  82
  83 static __inline__ int scsi_blk_major(int m) {
  84         return SCSI_BLK_MAJOR(m);
  85 }
  86
  87 #endif