userfaultfd_sys/
linux4_11.rs

1use super::*;
2
3// The following are preprocessor constants that bindgen can't figure out, so we enter them manually
4// from <linux/userfaultfd.h>, and have tests to make sure they're accurate.
5
6pub const UFFD_API: u64 = 0xAA;
7pub const UFFD_API_FEATURES: u64 = UFFD_FEATURE_EVENT_FORK
8    | UFFD_FEATURE_EVENT_REMAP
9    | UFFD_FEATURE_EVENT_REMOVE
10    | UFFD_FEATURE_EVENT_UNMAP
11    | UFFD_FEATURE_MISSING_HUGETLBFS
12    | UFFD_FEATURE_MISSING_SHMEM;
13
14pub const UFFD_API_IOCTLS: u64 = 1 << _UFFDIO_REGISTER | 1 << _UFFDIO_UNREGISTER | 1 << _UFFDIO_API;
15pub const UFFD_API_RANGE_IOCTLS: u64 =
16    1 << _UFFDIO_WAKE | 1 << _UFFDIO_COPY | 1 << _UFFDIO_ZEROPAGE;
17pub const UFFD_API_RANGE_IOCTLS_BASIC: u64 = 0;
18
19pub const UFFDIO_REGISTER_MODE_MISSING: u64 = 1 << 0;
20pub const UFFDIO_REGISTER_MODE_WP: u64 = 1 << 1;
21
22pub const UFFDIO_COPY_MODE_DONTWAKE: u64 = 1 << 0;
23pub const UFFDIO_COPY_MODE_WP: u64 = 1 << 1;
24
25pub const UFFDIO_ZEROPAGE_MODE_DONTWAKE: u64 = 1 << 0;
26
27pub const UFFDIO_API: u32 = 0xc018aa3f;
28pub const UFFDIO_REGISTER: u32 = 0xc020aa00;
29pub const UFFDIO_UNREGISTER: u32 = 0x8010aa01;
30pub const UFFDIO_WAKE: u32 = 0x8010aa02;
31pub const UFFDIO_COPY: u32 = 0xc028aa03;
32pub const UFFDIO_ZEROPAGE: u32 = 0xc020aa04;
33
34#[cfg(test)]
35mod const_tests {
36    use super::*;
37
38    extern "C" {
39        static _const_UFFD_API: u64;
40        static _const_UFFD_API_IOCTLS: u64;
41        static _const_UFFD_API_RANGE_IOCTLS: u64;
42        static _const_UFFDIO_REGISTER_MODE_MISSING: u64;
43        static _const_UFFDIO_REGISTER_MODE_WP: u64;
44        static _const_UFFDIO_COPY_MODE_DONTWAKE: u64;
45        static _const_UFFDIO_COPY_MODE_WP: u64;
46        static _const_UFFDIO_ZEROPAGE_MODE_DONTWAKE: u64;
47        static _const_UFFDIO_API: u32;
48        static _const_UFFDIO_REGISTER: u32;
49        static _const_UFFDIO_UNREGISTER: u32;
50        static _const_UFFDIO_WAKE: u32;
51        static _const_UFFDIO_COPY: u32;
52        static _const_UFFDIO_ZEROPAGE: u32;
53    }
54
55    #[test]
56    fn consts_correct() {
57        unsafe {
58            assert_eq!(UFFD_API, _const_UFFD_API, "UFFD_API");
59            assert_eq!(UFFD_API_IOCTLS, _const_UFFD_API_IOCTLS, "UFFD_API_IOCTLS");
60            assert_eq!(
61                UFFDIO_REGISTER_MODE_MISSING, _const_UFFDIO_REGISTER_MODE_MISSING,
62                "UFFDIO_REGISTER_MODE_MISSING"
63            );
64            assert_eq!(
65                UFFDIO_REGISTER_MODE_WP, _const_UFFDIO_REGISTER_MODE_WP,
66                "UFFDIO_REGISTER_MODE_WP"
67            );
68            assert_eq!(
69                UFFDIO_COPY_MODE_DONTWAKE, _const_UFFDIO_COPY_MODE_DONTWAKE,
70                "UFFDIO_COPY_MODE_DONTWAKE"
71            );
72            assert_eq!(
73                UFFDIO_COPY_MODE_WP, _const_UFFDIO_COPY_MODE_WP,
74                "UFFDIO_COPY_MODE_WP"
75            );
76            assert_eq!(
77                UFFDIO_ZEROPAGE_MODE_DONTWAKE, _const_UFFDIO_ZEROPAGE_MODE_DONTWAKE,
78                "UFFDIO_ZEROPAGE_MODE_DONTWAKE"
79            );
80            assert_eq!(UFFDIO_API, _const_UFFDIO_API, "UFFDIO_API");
81            assert_eq!(UFFDIO_REGISTER, _const_UFFDIO_REGISTER, "UFFDIO_REGISTER");
82            assert_eq!(
83                UFFDIO_UNREGISTER, _const_UFFDIO_UNREGISTER,
84                "UFFDIO_UNREGISTER"
85            );
86            assert_eq!(UFFDIO_WAKE, _const_UFFDIO_WAKE, "UFFDIO_WAKE");
87            assert_eq!(UFFDIO_COPY, _const_UFFDIO_COPY, "UFFDIO_COPY");
88            assert_eq!(UFFDIO_ZEROPAGE, _const_UFFDIO_ZEROPAGE, "UFFDIO_ZEROPAGE");
89        }
90    }
91}
userfaultfd_sys/linux4_11.rs

userfaultfd_sys/
linux4_11.rs
