ioctls/loop.c

   1 #include <linux/ioctl.h>
   2 #include <linux/loop.h>
   3
   4 #include "utils.h"
   5 #include "ioctls.h"
   6
   7 /* Intentionally mix the loop and loop-control ioctls. */
   8 static const struct ioctl loop_ioctls[] = {
   9         IOCTL(LOOP_SET_FD),
  10         IOCTL(LOOP_CLR_FD),
  11         IOCTL(LOOP_SET_STATUS),
  12         IOCTL(LOOP_GET_STATUS),
  13         IOCTL(LOOP_SET_STATUS64),
  14         IOCTL(LOOP_GET_STATUS64),
  15         IOCTL(LOOP_CHANGE_FD),
  16         IOCTL(LOOP_SET_CAPACITY),
  17
  18 #ifdef LOOP_CTL_ADD
  19         IOCTL(LOOP_CTL_ADD),
  20 #endif
  21 #ifdef LOOP_CTL_REMOVE
  22         IOCTL(LOOP_CTL_REMOVE),
  23 #endif
  24 #ifdef LOOP_CTL_GET_FREE
  25         IOCTL(LOOP_CTL_GET_FREE),
  26 #endif
  27 };
  28
  29 static const char *const loop_ctrl_devs[] = {
  30         "loop-control",
  31         //FIXME: Need to glob /dev/loop*
  32 };
  33
  34 static const struct ioctl_group loop_ctrl_grp = {
  35         .devtype = DEV_MISC,
  36         .devs = loop_ctrl_devs,
  37         .devs_cnt = ARRAY_SIZE(loop_ctrl_devs),
  38         .sanitise = pick_random_ioctl,
  39         .ioctls = loop_ioctls,
  40         .ioctls_cnt = ARRAY_SIZE(loop_ioctls),
  41 };
  42
  43 REG_IOCTL_GROUP(loop_ctrl_grp)
  44
  45 static const char *const loop_devs[] = {
  46         "loop",
  47 };
  48
  49 static const struct ioctl_group loop_grp = {
  50         .devtype = DEV_BLOCK,
  51         .devs = loop_devs,
  52         .devs_cnt = ARRAY_SIZE(loop_devs),
  53         .sanitise = pick_random_ioctl,
  54         .ioctls = loop_ioctls,
  55         .ioctls_cnt = ARRAY_SIZE(loop_ioctls),
  56 };
  57
  58 REG_IOCTL_GROUP(loop_grp)