virtio_bindings/bindings/aarch64/
virtio_ring.rs

1/* automatically generated by rust-bindgen 0.71.1 */
2
3#[repr(C)]
4#[derive(Default)]
5pub struct __IncompleteArrayField<T>(::std::marker::PhantomData<T>, [T; 0]);
6impl<T> __IncompleteArrayField<T> {
7    #[inline]
8    pub const fn new() -> Self {
9        __IncompleteArrayField(::std::marker::PhantomData, [])
10    }
11    #[inline]
12    pub fn as_ptr(&self) -> *const T {
13        self as *const _ as *const T
14    }
15    #[inline]
16    pub fn as_mut_ptr(&mut self) -> *mut T {
17        self as *mut _ as *mut T
18    }
19    #[inline]
20    pub unsafe fn as_slice(&self, len: usize) -> &[T] {
21        ::std::slice::from_raw_parts(self.as_ptr(), len)
22    }
23    #[inline]
24    pub unsafe fn as_mut_slice(&mut self, len: usize) -> &mut [T] {
25        ::std::slice::from_raw_parts_mut(self.as_mut_ptr(), len)
26    }
27}
28impl<T> ::std::fmt::Debug for __IncompleteArrayField<T> {
29    fn fmt(&self, fmt: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
30        fmt.write_str("__IncompleteArrayField")
31    }
32}
33pub const VRING_DESC_F_NEXT: u32 = 1;
34pub const VRING_DESC_F_WRITE: u32 = 2;
35pub const VRING_DESC_F_INDIRECT: u32 = 4;
36pub const VRING_PACKED_DESC_F_AVAIL: u32 = 7;
37pub const VRING_PACKED_DESC_F_USED: u32 = 15;
38pub const VRING_USED_F_NO_NOTIFY: u32 = 1;
39pub const VRING_AVAIL_F_NO_INTERRUPT: u32 = 1;
40pub const VRING_PACKED_EVENT_FLAG_ENABLE: u32 = 0;
41pub const VRING_PACKED_EVENT_FLAG_DISABLE: u32 = 1;
42pub const VRING_PACKED_EVENT_FLAG_DESC: u32 = 2;
43pub const VRING_PACKED_EVENT_F_WRAP_CTR: u32 = 15;
44pub const VIRTIO_RING_F_INDIRECT_DESC: u32 = 28;
45pub const VIRTIO_RING_F_EVENT_IDX: u32 = 29;
46pub const VRING_AVAIL_ALIGN_SIZE: u32 = 2;
47pub const VRING_USED_ALIGN_SIZE: u32 = 4;
48pub const VRING_DESC_ALIGN_SIZE: u32 = 16;
49pub type __u16 = ::std::os::raw::c_ushort;
50pub type __u32 = ::std::os::raw::c_uint;
51pub type __u64 = ::std::os::raw::c_ulonglong;
52pub type __le16 = __u16;
53pub type __le32 = __u32;
54pub type __le64 = __u64;
55pub type __virtio16 = __u16;
56pub type __virtio32 = __u32;
57pub type __virtio64 = __u64;
58#[doc = " struct vring_desc - Virtio ring descriptors,\n 16 bytes long. These can chain together via @next.\n\n @addr: buffer address (guest-physical)\n @len: buffer length\n @flags: descriptor flags\n @next: index of the next descriptor in the chain,\n        if the VRING_DESC_F_NEXT flag is set. We chain unused\n        descriptors via this, too."]
59#[repr(C)]
60#[derive(Debug, Default, Copy, Clone, PartialEq)]
61pub struct vring_desc {
62    pub addr: __virtio64,
63    pub len: __virtio32,
64    pub flags: __virtio16,
65    pub next: __virtio16,
66}
67#[allow(clippy::unnecessary_operation, clippy::identity_op)]
68const _: () = {
69    ["Size of vring_desc"][::std::mem::size_of::<vring_desc>() - 16usize];
70    ["Alignment of vring_desc"][::std::mem::align_of::<vring_desc>() - 8usize];
71    ["Offset of field: vring_desc::addr"][::std::mem::offset_of!(vring_desc, addr) - 0usize];
72    ["Offset of field: vring_desc::len"][::std::mem::offset_of!(vring_desc, len) - 8usize];
73    ["Offset of field: vring_desc::flags"][::std::mem::offset_of!(vring_desc, flags) - 12usize];
74    ["Offset of field: vring_desc::next"][::std::mem::offset_of!(vring_desc, next) - 14usize];
75};
76#[repr(C)]
77#[derive(Debug, Default)]
78pub struct vring_avail {
79    pub flags: __virtio16,
80    pub idx: __virtio16,
81    pub ring: __IncompleteArrayField<__virtio16>,
82}
83#[allow(clippy::unnecessary_operation, clippy::identity_op)]
84const _: () = {
85    ["Size of vring_avail"][::std::mem::size_of::<vring_avail>() - 4usize];
86    ["Alignment of vring_avail"][::std::mem::align_of::<vring_avail>() - 2usize];
87    ["Offset of field: vring_avail::flags"][::std::mem::offset_of!(vring_avail, flags) - 0usize];
88    ["Offset of field: vring_avail::idx"][::std::mem::offset_of!(vring_avail, idx) - 2usize];
89    ["Offset of field: vring_avail::ring"][::std::mem::offset_of!(vring_avail, ring) - 4usize];
90};
91#[repr(C)]
92#[derive(Debug, Default, Copy, Clone, PartialEq)]
93pub struct vring_used_elem {
94    pub id: __virtio32,
95    pub len: __virtio32,
96}
97#[allow(clippy::unnecessary_operation, clippy::identity_op)]
98const _: () = {
99    ["Size of vring_used_elem"][::std::mem::size_of::<vring_used_elem>() - 8usize];
100    ["Alignment of vring_used_elem"][::std::mem::align_of::<vring_used_elem>() - 4usize];
101    ["Offset of field: vring_used_elem::id"][::std::mem::offset_of!(vring_used_elem, id) - 0usize];
102    ["Offset of field: vring_used_elem::len"]
103        [::std::mem::offset_of!(vring_used_elem, len) - 4usize];
104};
105pub type vring_used_elem_t = vring_used_elem;
106#[repr(C)]
107#[derive(Debug, Default)]
108pub struct vring_used {
109    pub flags: __virtio16,
110    pub idx: __virtio16,
111    pub ring: __IncompleteArrayField<vring_used_elem_t>,
112}
113#[allow(clippy::unnecessary_operation, clippy::identity_op)]
114const _: () = {
115    ["Size of vring_used"][::std::mem::size_of::<vring_used>() - 4usize];
116    ["Alignment of vring_used"][::std::mem::align_of::<vring_used>() - 4usize];
117    ["Offset of field: vring_used::flags"][::std::mem::offset_of!(vring_used, flags) - 0usize];
118    ["Offset of field: vring_used::idx"][::std::mem::offset_of!(vring_used, idx) - 2usize];
119    ["Offset of field: vring_used::ring"][::std::mem::offset_of!(vring_used, ring) - 4usize];
120};
121#[doc = " struct vring_desc - Virtio ring descriptors,\n 16 bytes long. These can chain together via @next.\n\n @addr: buffer address (guest-physical)\n @len: buffer length\n @flags: descriptor flags\n @next: index of the next descriptor in the chain,\n        if the VRING_DESC_F_NEXT flag is set. We chain unused\n        descriptors via this, too."]
122pub type vring_desc_t = vring_desc;
123pub type vring_avail_t = vring_avail;
124pub type vring_used_t = vring_used;
125#[repr(C)]
126#[derive(Debug, Copy, Clone, PartialEq)]
127pub struct vring {
128    pub num: ::std::os::raw::c_uint,
129    pub desc: *mut vring_desc_t,
130    pub avail: *mut vring_avail_t,
131    pub used: *mut vring_used_t,
132}
133#[allow(clippy::unnecessary_operation, clippy::identity_op)]
134const _: () = {
135    ["Size of vring"][::std::mem::size_of::<vring>() - 32usize];
136    ["Alignment of vring"][::std::mem::align_of::<vring>() - 8usize];
137    ["Offset of field: vring::num"][::std::mem::offset_of!(vring, num) - 0usize];
138    ["Offset of field: vring::desc"][::std::mem::offset_of!(vring, desc) - 8usize];
139    ["Offset of field: vring::avail"][::std::mem::offset_of!(vring, avail) - 16usize];
140    ["Offset of field: vring::used"][::std::mem::offset_of!(vring, used) - 24usize];
141};
142impl Default for vring {
143    fn default() -> Self {
144        let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
145        unsafe {
146            ::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
147            s.assume_init()
148        }
149    }
150}
151#[repr(C)]
152#[derive(Debug, Default, Copy, Clone, PartialEq)]
153pub struct vring_packed_desc_event {
154    pub off_wrap: __le16,
155    pub flags: __le16,
156}
157#[allow(clippy::unnecessary_operation, clippy::identity_op)]
158const _: () = {
159    ["Size of vring_packed_desc_event"][::std::mem::size_of::<vring_packed_desc_event>() - 4usize];
160    ["Alignment of vring_packed_desc_event"]
161        [::std::mem::align_of::<vring_packed_desc_event>() - 2usize];
162    ["Offset of field: vring_packed_desc_event::off_wrap"]
163        [::std::mem::offset_of!(vring_packed_desc_event, off_wrap) - 0usize];
164    ["Offset of field: vring_packed_desc_event::flags"]
165        [::std::mem::offset_of!(vring_packed_desc_event, flags) - 2usize];
166};
167#[repr(C)]
168#[derive(Debug, Default, Copy, Clone, PartialEq)]
169pub struct vring_packed_desc {
170    pub addr: __le64,
171    pub len: __le32,
172    pub id: __le16,
173    pub flags: __le16,
174}
175#[allow(clippy::unnecessary_operation, clippy::identity_op)]
176const _: () = {
177    ["Size of vring_packed_desc"][::std::mem::size_of::<vring_packed_desc>() - 16usize];
178    ["Alignment of vring_packed_desc"][::std::mem::align_of::<vring_packed_desc>() - 8usize];
179    ["Offset of field: vring_packed_desc::addr"]
180        [::std::mem::offset_of!(vring_packed_desc, addr) - 0usize];
181    ["Offset of field: vring_packed_desc::len"]
182        [::std::mem::offset_of!(vring_packed_desc, len) - 8usize];
183    ["Offset of field: vring_packed_desc::id"]
184        [::std::mem::offset_of!(vring_packed_desc, id) - 12usize];
185    ["Offset of field: vring_packed_desc::flags"]
186        [::std::mem::offset_of!(vring_packed_desc, flags) - 14usize];
187};
virtio_bindings/bindings/aarch64/virtio_ring.rs

virtio_bindings/bindings/aarch64/
virtio_ring.rs
