include/asm-mips/usioctl.h

   1 /*
   2  * usema/usemaclone-related stuff.
   3  *
   4  * `Inspired' by IRIX's sys/usioctl.h
   5  *
   6  * Mike.
   7  */
   8
   9 /* ioctls */
  10 #define UIOC    ('u' << 16 | 's' << 8)
  11
  12 #define UIOCATTACHSEMA  (UIOC|2)        /* attach to sema */
  13 #define UIOCBLOCK       (UIOC|3)        /* block sync "intr"? */
  14 #define UIOCABLOCK      (UIOC|4)        /* block async */
  15 #define UIOCNOIBLOCK    (UIOC|5)        /* IRIX: block sync intr
  16                                            Linux: block sync nointr */
  17 #define UIOCUNBLOCK     (UIOC|6)        /* unblock sync */
  18 #define UIOCAUNBLOCK    (UIOC|7)        /* unblock async */
  19 #define UIOCINIT        (UIOC|8)        /* init sema (async) */
  20
  21 typedef struct usattach_s {
  22   dev_t us_dev;         /* attach dev */
  23   void  *us_handle;     /* userland semaphore handle */
  24 } usattach_t;
  25