1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _LINUX_USERFAULTFD_H 20 #define _LINUX_USERFAULTFD_H 21 #include <linux/types.h> 22 #define UFFD_API ((__u64) 0xAA) 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #define UFFD_API_FEATURES (0) 25 #define UFFD_API_IOCTLS ((__u64) 1 << _UFFDIO_REGISTER | (__u64) 1 << _UFFDIO_UNREGISTER | (__u64) 1 << _UFFDIO_API) 26 #define UFFD_API_RANGE_IOCTLS ((__u64) 1 << _UFFDIO_WAKE | (__u64) 1 << _UFFDIO_COPY | (__u64) 1 << _UFFDIO_ZEROPAGE) 27 #define _UFFDIO_REGISTER (0x00) 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 #define _UFFDIO_UNREGISTER (0x01) 30 #define _UFFDIO_WAKE (0x02) 31 #define _UFFDIO_COPY (0x03) 32 #define _UFFDIO_ZEROPAGE (0x04) 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 #define _UFFDIO_API (0x3F) 35 #define UFFDIO 0xAA 36 #define UFFDIO_API _IOWR(UFFDIO, _UFFDIO_API, struct uffdio_api) 37 #define UFFDIO_REGISTER _IOWR(UFFDIO, _UFFDIO_REGISTER, struct uffdio_register) 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 #define UFFDIO_UNREGISTER _IOR(UFFDIO, _UFFDIO_UNREGISTER, struct uffdio_range) 40 #define UFFDIO_WAKE _IOR(UFFDIO, _UFFDIO_WAKE, struct uffdio_range) 41 #define UFFDIO_COPY _IOWR(UFFDIO, _UFFDIO_COPY, struct uffdio_copy) 42 #define UFFDIO_ZEROPAGE _IOWR(UFFDIO, _UFFDIO_ZEROPAGE, struct uffdio_zeropage) 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 struct uffd_msg { 45 __u8 event; 46 __u8 reserved1; 47 __u16 reserved2; 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49 __u32 reserved3; 50 union { 51 struct { 52 __u64 flags; 53 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54 __u64 address; 55 } pagefault; 56 struct { 57 __u64 reserved1; 58 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59 __u64 reserved2; 60 __u64 reserved3; 61 } reserved; 62 } arg; 63 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64 } __packed; 65 #define UFFD_EVENT_PAGEFAULT 0x12 66 #define UFFD_PAGEFAULT_FLAG_WRITE (1 << 0) 67 #define UFFD_PAGEFAULT_FLAG_WP (1 << 1) 68 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69 struct uffdio_api { 70 __u64 api; 71 __u64 features; 72 __u64 ioctls; 73 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74 }; 75 struct uffdio_range { 76 __u64 start; 77 __u64 len; 78 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 79 }; 80 struct uffdio_register { 81 struct uffdio_range range; 82 #define UFFDIO_REGISTER_MODE_MISSING ((__u64) 1 << 0) 83 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 84 #define UFFDIO_REGISTER_MODE_WP ((__u64) 1 << 1) 85 __u64 mode; 86 __u64 ioctls; 87 }; 88 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 89 struct uffdio_copy { 90 __u64 dst; 91 __u64 src; 92 __u64 len; 93 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 94 #define UFFDIO_COPY_MODE_DONTWAKE ((__u64) 1 << 0) 95 __u64 mode; 96 __s64 copy; 97 }; 98 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 99 struct uffdio_zeropage { 100 struct uffdio_range range; 101 #define UFFDIO_ZEROPAGE_MODE_DONTWAKE ((__u64) 1 << 0) 102 __u64 mode; 103 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 104 __s64 zeropage; 105 }; 106 #endif 107
