05667cd66a
Kernel headers coming from: Git: https://android.googlesource.com/kernel/common/ Branch: android-mainline Tag: android-mainline-5.11 Test: Built cuttlefish and flame images. Ran bionic unit tests on both. Change-Id: Ie60337aafad4bda55af99b6c8fe9f56bf2fa787f
128 lines
4.4 KiB
C
128 lines
4.4 KiB
C
/****************************************************************************
|
|
****************************************************************************
|
|
***
|
|
*** This header was automatically generated from a Linux kernel header
|
|
*** of the same name, to make information necessary for userspace to
|
|
*** call into the kernel available to libc. It contains only constants,
|
|
*** structures, and macros generated from the original header, and thus,
|
|
*** contains no copyrightable information.
|
|
***
|
|
*** To edit the content of this header, modify the corresponding
|
|
*** source file (e.g. under external/kernel-headers/original/) then
|
|
*** run bionic/libc/kernel/tools/update_all.py
|
|
***
|
|
*** Any manual change here will be lost the next time this script will
|
|
*** be run. You've been warned!
|
|
***
|
|
****************************************************************************
|
|
****************************************************************************/
|
|
#ifndef _LINUX_USERFAULTFD_H
|
|
#define _LINUX_USERFAULTFD_H
|
|
#include <linux/types.h>
|
|
#define UFFD_API ((__u64) 0xAA)
|
|
#define UFFD_API_FEATURES (UFFD_FEATURE_PAGEFAULT_FLAG_WP | UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_EVENT_REMAP | UFFD_FEATURE_EVENT_REMOVE | UFFD_FEATURE_EVENT_UNMAP | UFFD_FEATURE_MISSING_HUGETLBFS | UFFD_FEATURE_MISSING_SHMEM | UFFD_FEATURE_SIGBUS | UFFD_FEATURE_THREAD_ID)
|
|
#define UFFD_API_IOCTLS ((__u64) 1 << _UFFDIO_REGISTER | (__u64) 1 << _UFFDIO_UNREGISTER | (__u64) 1 << _UFFDIO_API)
|
|
#define UFFD_API_RANGE_IOCTLS ((__u64) 1 << _UFFDIO_WAKE | (__u64) 1 << _UFFDIO_COPY | (__u64) 1 << _UFFDIO_ZEROPAGE | (__u64) 1 << _UFFDIO_WRITEPROTECT)
|
|
#define UFFD_API_RANGE_IOCTLS_BASIC ((__u64) 1 << _UFFDIO_WAKE | (__u64) 1 << _UFFDIO_COPY)
|
|
#define _UFFDIO_REGISTER (0x00)
|
|
#define _UFFDIO_UNREGISTER (0x01)
|
|
#define _UFFDIO_WAKE (0x02)
|
|
#define _UFFDIO_COPY (0x03)
|
|
#define _UFFDIO_ZEROPAGE (0x04)
|
|
#define _UFFDIO_WRITEPROTECT (0x06)
|
|
#define _UFFDIO_API (0x3F)
|
|
#define UFFDIO 0xAA
|
|
#define UFFDIO_API _IOWR(UFFDIO, _UFFDIO_API, struct uffdio_api)
|
|
#define UFFDIO_REGISTER _IOWR(UFFDIO, _UFFDIO_REGISTER, struct uffdio_register)
|
|
#define UFFDIO_UNREGISTER _IOR(UFFDIO, _UFFDIO_UNREGISTER, struct uffdio_range)
|
|
#define UFFDIO_WAKE _IOR(UFFDIO, _UFFDIO_WAKE, struct uffdio_range)
|
|
#define UFFDIO_COPY _IOWR(UFFDIO, _UFFDIO_COPY, struct uffdio_copy)
|
|
#define UFFDIO_ZEROPAGE _IOWR(UFFDIO, _UFFDIO_ZEROPAGE, struct uffdio_zeropage)
|
|
#define UFFDIO_WRITEPROTECT _IOWR(UFFDIO, _UFFDIO_WRITEPROTECT, struct uffdio_writeprotect)
|
|
struct uffd_msg {
|
|
__u8 event;
|
|
__u8 reserved1;
|
|
__u16 reserved2;
|
|
__u32 reserved3;
|
|
union {
|
|
struct {
|
|
__u64 flags;
|
|
__u64 address;
|
|
union {
|
|
__u32 ptid;
|
|
} feat;
|
|
} pagefault;
|
|
struct {
|
|
__u32 ufd;
|
|
} fork;
|
|
struct {
|
|
__u64 from;
|
|
__u64 to;
|
|
__u64 len;
|
|
} remap;
|
|
struct {
|
|
__u64 start;
|
|
__u64 end;
|
|
} remove;
|
|
struct {
|
|
__u64 reserved1;
|
|
__u64 reserved2;
|
|
__u64 reserved3;
|
|
} reserved;
|
|
} arg;
|
|
} __packed;
|
|
#define UFFD_EVENT_PAGEFAULT 0x12
|
|
#define UFFD_EVENT_FORK 0x13
|
|
#define UFFD_EVENT_REMAP 0x14
|
|
#define UFFD_EVENT_REMOVE 0x15
|
|
#define UFFD_EVENT_UNMAP 0x16
|
|
#define UFFD_PAGEFAULT_FLAG_WRITE (1 << 0)
|
|
#define UFFD_PAGEFAULT_FLAG_WP (1 << 1)
|
|
struct uffdio_api {
|
|
__u64 api;
|
|
#define UFFD_FEATURE_PAGEFAULT_FLAG_WP (1 << 0)
|
|
#define UFFD_FEATURE_EVENT_FORK (1 << 1)
|
|
#define UFFD_FEATURE_EVENT_REMAP (1 << 2)
|
|
#define UFFD_FEATURE_EVENT_REMOVE (1 << 3)
|
|
#define UFFD_FEATURE_MISSING_HUGETLBFS (1 << 4)
|
|
#define UFFD_FEATURE_MISSING_SHMEM (1 << 5)
|
|
#define UFFD_FEATURE_EVENT_UNMAP (1 << 6)
|
|
#define UFFD_FEATURE_SIGBUS (1 << 7)
|
|
#define UFFD_FEATURE_THREAD_ID (1 << 8)
|
|
__u64 features;
|
|
__u64 ioctls;
|
|
};
|
|
struct uffdio_range {
|
|
__u64 start;
|
|
__u64 len;
|
|
};
|
|
struct uffdio_register {
|
|
struct uffdio_range range;
|
|
#define UFFDIO_REGISTER_MODE_MISSING ((__u64) 1 << 0)
|
|
#define UFFDIO_REGISTER_MODE_WP ((__u64) 1 << 1)
|
|
__u64 mode;
|
|
__u64 ioctls;
|
|
};
|
|
struct uffdio_copy {
|
|
__u64 dst;
|
|
__u64 src;
|
|
__u64 len;
|
|
#define UFFDIO_COPY_MODE_DONTWAKE ((__u64) 1 << 0)
|
|
#define UFFDIO_COPY_MODE_WP ((__u64) 1 << 1)
|
|
__u64 mode;
|
|
__s64 copy;
|
|
};
|
|
struct uffdio_zeropage {
|
|
struct uffdio_range range;
|
|
#define UFFDIO_ZEROPAGE_MODE_DONTWAKE ((__u64) 1 << 0)
|
|
__u64 mode;
|
|
__s64 zeropage;
|
|
};
|
|
struct uffdio_writeprotect {
|
|
struct uffdio_range range;
|
|
#define UFFDIO_WRITEPROTECT_MODE_WP ((__u64) 1 << 0)
|
|
#define UFFDIO_WRITEPROTECT_MODE_DONTWAKE ((__u64) 1 << 1)
|
|
__u64 mode;
|
|
};
|
|
#define UFFD_USER_MODE_ONLY 1
|
|
#endif
|