include/minix/driver.h

   1 #ifndef _MINIX_DRIVER_H
   2 #define _MINIX_DRIVER_H
   3
   4 /* Types and constants shared between block and character drivers. */
   5
   6 #define _POSIX_SOURCE      1    /* tell headers to include POSIX stuff */
   7 #define _MINIX             1    /* tell headers to include MINIX stuff */
   8 #define _SYSTEM            1    /* get negative error number in <errno.h> */
   9
  10 /* The following are so basic, all the *.c files get them automatically. */
  11 #include <minix/config.h>       /* MUST be first */
  12 #include <minix/type.h>
  13 #include <minix/ipc.h>
  14 #include <minix/com.h>
  15 #include <minix/callnr.h>
  16 #include <sys/types.h>
  17 #include <minix/const.h>
  18 #include <minix/syslib.h>
  19 #include <minix/sysutil.h>
  20 #include <minix/endpoint.h>
  21 #include <string.h>
  22 #include <limits.h>
  23 #include <stddef.h>
  24 #include <errno.h>
  25 #include <sys/param.h>
  26 #include <minix/u64.h>
  27 #include <minix/partition.h>
  28
  29 /* Base and size of a partition in bytes. */
  30 struct device {
  31   u64_t dv_base;
  32   u64_t dv_size;
  33 };
  34
  35 /* Generic receive function for all drivers. */
  36 #ifndef driver_receive
  37 #define driver_receive sef_receive_status
  38 #endif
  39
  40 /* Maximum supported number of concurrently opened minor devices. */
  41 #define MAX_NR_OPEN_DEVICES 256
  42
  43 #endif /* _MINIX_DRIVER_H */