xref: /aosp_15_r20/bionic/libc/kernel/uapi/linux/watch_queue.h (revision 8d67ca893c1523eb926b9080dbe4e2ffd2a27ba1)

/*
 * This file is auto-generated. Modifications will be lost.
 *
 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
 * for more information.
 */
#ifndef _UAPI_LINUX_WATCH_QUEUE_H
#define _UAPI_LINUX_WATCH_QUEUE_H
#include <linux/types.h>
#include <linux/fcntl.h>
#include <linux/ioctl.h>
#define O_NOTIFICATION_PIPE O_EXCL
#define IOC_WATCH_QUEUE_SET_SIZE _IO('W', 0x60)
#define IOC_WATCH_QUEUE_SET_FILTER _IO('W', 0x61)
enum watch_notification_type {
  WATCH_TYPE_META = 0,
  WATCH_TYPE_KEY_NOTIFY = 1,
  WATCH_TYPE__NR = 2
};
enum watch_meta_notification_subtype {
  WATCH_META_REMOVAL_NOTIFICATION = 0,
  WATCH_META_LOSS_NOTIFICATION = 1,
};
struct watch_notification {
  __u32 type : 24;
  __u32 subtype : 8;
  __u32 info;
#define WATCH_INFO_LENGTH 0x0000007f
#define WATCH_INFO_LENGTH__SHIFT 0
#define WATCH_INFO_ID 0x0000ff00
#define WATCH_INFO_ID__SHIFT 8
#define WATCH_INFO_TYPE_INFO 0xffff0000
#define WATCH_INFO_TYPE_INFO__SHIFT 16
#define WATCH_INFO_FLAG_0 0x00010000
#define WATCH_INFO_FLAG_1 0x00020000
#define WATCH_INFO_FLAG_2 0x00040000
#define WATCH_INFO_FLAG_3 0x00080000
#define WATCH_INFO_FLAG_4 0x00100000
#define WATCH_INFO_FLAG_5 0x00200000
#define WATCH_INFO_FLAG_6 0x00400000
#define WATCH_INFO_FLAG_7 0x00800000
};
struct watch_notification_type_filter {
  __u32 type;
  __u32 info_filter;
  __u32 info_mask;
  __u32 subtype_filter[8];
};
struct watch_notification_filter {
  __u32 nr_filters;
  __u32 __reserved;
  struct watch_notification_type_filter filters[];
};
struct watch_notification_removal {
  struct watch_notification watch;
  __u64 id;
};
enum key_notification_subtype {
  NOTIFY_KEY_INSTANTIATED = 0,
  NOTIFY_KEY_UPDATED = 1,
  NOTIFY_KEY_LINKED = 2,
  NOTIFY_KEY_UNLINKED = 3,
  NOTIFY_KEY_CLEARED = 4,
  NOTIFY_KEY_REVOKED = 5,
  NOTIFY_KEY_INVALIDATED = 6,
  NOTIFY_KEY_SETATTR = 7,
};
struct key_notification {
  struct watch_notification watch;
  __u32 key_id;
  __u32 aux;
};
#endif