include/minix/dmap.h

   1 #ifndef _DMAP_H
   2 #define _DMAP_H
   3
   4 #include <minix/sys_config.h>
   5 #include <minix/ipc.h>
   6
   7 enum dev_style { STYLE_NDEV, STYLE_DEV, STYLE_DEVA, STYLE_TTY, STYLE_CTTY,
   8         STYLE_CLONE };
   9 #define IS_DEV_STYLE(s) (s>=STYLE_NDEV && s<=STYLE_CLONE)
  10
  11 /*===========================================================================*
  12  *                       Major and minor device numbers                      *
  13  *===========================================================================*/
  14
  15 /* Total number of different devices. */
  16 #define NR_DEVICES      NR_SYS_PROCS    /* number of (major) devices */
  17
  18 /* Major device numbers. */
  19 #define NONE_MAJOR                 0    /*  0 = not used                      */
  20 #define MEMORY_MAJOR               1    /*  1 = /dev/mem    (memory devices)  */
  21 #define FLOPPY_MAJOR               2    /*  2 = /dev/fd0    (floppy disks)    */
  22                                         /*  3 = /dev/c0                       */
  23 #define TTY_MAJOR                  4    /*  4 = /dev/tty00  (ttys)            */
  24 #define CTTY_MAJOR                 5    /*  5 = /dev/tty                      */
  25 #define PRINTER_MAJOR              6    /*  6 = /dev/lp     (printer driver)  */
  26 #define INET_MAJOR                 7    /*  7 = /dev/ip     (inet)            */
  27                                         /*  8 = /dev/c1                       */
  28                                         /*  9 = not used                      */
  29                                         /* 10 = /dev/c2                       */
  30 #define FILTER_MAJOR              11    /* 11 = /dev/filter (filter driver)   */
  31                                         /* 12 = /dev/c3                       */
  32 #define AUDIO_MAJOR               13    /* 13 = /dev/audio  (audio driver)    */
  33                                         /* 14 = not used                      */
  34 #define LOG_MAJOR                 15    /* 15 = /dev/klog   (log driver)      */
  35 #define RANDOM_MAJOR              16    /* 16 = /dev/random (random driver)   */
  36 #define HELLO_MAJOR               17    /* 17 = /dev/hello  (hello driver)    */
  37
  38
  39 /* Minor device numbers for memory driver. */
  40 #  define RAM_DEV_OLD              0    /* minor device for /dev/ram */
  41 #  define MEM_DEV                  1    /* minor device for /dev/mem */
  42 #  define KMEM_DEV                 2    /* minor device for /dev/kmem */
  43 #  define NULL_DEV                 3    /* minor device for /dev/null */
  44 #  define BOOT_DEV                 4    /* minor device for /dev/boot */
  45 #  define ZERO_DEV                 5    /* minor device for /dev/zero */
  46 #  define IMGRD_DEV                6    /* minor device for /dev/imgrd */
  47 #  define RAM_DEV_FIRST            7    /* first minor device for /dev/ram* */
  48
  49 #define CTRLR(n) ((n)==0 ? 3 : (8 + 2*((n)-1))) /* magic formula */
  50
  51 /* Minor device numbers for log driver. */
  52 #  define IS_KLOG_DEV              0    /* minor device for /dev/klog */
  53
  54 /* Full device numbers that are special to the boot monitor and FS. */
  55 #  define DEV_RAM             0x0100    /* device number of /dev/ram */
  56 #  define DEV_IMGRD           0x0106    /* device number of /dev/imgrd */
  57
  58 #endif /* _DMAP_H */
  59