1 /* automatically generated by rust-bindgen 0.70.1 */ 2 3 #[repr(C)] 4 #[derive(Default)] 5 pub struct __IncompleteArrayField<T>(::std::marker::PhantomData<T>, [T; 0]); 6 impl<T> __IncompleteArrayField<T> { 7 #[inline] new() -> Self8 pub const fn new() -> Self { 9 __IncompleteArrayField(::std::marker::PhantomData, []) 10 } 11 #[inline] as_ptr(&self) -> *const T12 pub fn as_ptr(&self) -> *const T { 13 self as *const _ as *const T 14 } 15 #[inline] as_mut_ptr(&mut self) -> *mut T16 pub fn as_mut_ptr(&mut self) -> *mut T { 17 self as *mut _ as *mut T 18 } 19 #[inline] as_slice(&self, len: usize) -> &[T]20 pub unsafe fn as_slice(&self, len: usize) -> &[T] { 21 ::std::slice::from_raw_parts(self.as_ptr(), len) 22 } 23 #[inline] as_mut_slice(&mut self, len: usize) -> &mut [T]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 } 28 impl<T> ::std::fmt::Debug for __IncompleteArrayField<T> { fmt(&self, fmt: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result29 fn fmt(&self, fmt: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result { 30 fmt.write_str("__IncompleteArrayField") 31 } 32 } 33 pub const VRING_DESC_F_NEXT: u32 = 1; 34 pub const VRING_DESC_F_WRITE: u32 = 2; 35 pub const VRING_DESC_F_INDIRECT: u32 = 4; 36 pub const VRING_PACKED_DESC_F_AVAIL: u32 = 7; 37 pub const VRING_PACKED_DESC_F_USED: u32 = 15; 38 pub const VRING_USED_F_NO_NOTIFY: u32 = 1; 39 pub const VRING_AVAIL_F_NO_INTERRUPT: u32 = 1; 40 pub const VRING_PACKED_EVENT_FLAG_ENABLE: u32 = 0; 41 pub const VRING_PACKED_EVENT_FLAG_DISABLE: u32 = 1; 42 pub const VRING_PACKED_EVENT_FLAG_DESC: u32 = 2; 43 pub const VRING_PACKED_EVENT_F_WRAP_CTR: u32 = 15; 44 pub const VIRTIO_RING_F_INDIRECT_DESC: u32 = 28; 45 pub const VIRTIO_RING_F_EVENT_IDX: u32 = 29; 46 pub const VRING_AVAIL_ALIGN_SIZE: u32 = 2; 47 pub const VRING_USED_ALIGN_SIZE: u32 = 4; 48 pub const VRING_DESC_ALIGN_SIZE: u32 = 16; 49 pub type __u16 = ::std::os::raw::c_ushort; 50 pub type __u32 = ::std::os::raw::c_uint; 51 pub type __u64 = ::std::os::raw::c_ulonglong; 52 pub type __le16 = __u16; 53 pub type __le32 = __u32; 54 pub type __le64 = __u64; 55 pub type __virtio16 = __u16; 56 pub type __virtio32 = __u32; 57 pub 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)] 61 pub 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)] 68 const _: () = { 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)] 78 pub 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)] 84 const _: () = { 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)] 93 pub struct vring_used_elem { 94 pub id: __virtio32, 95 pub len: __virtio32, 96 } 97 #[allow(clippy::unnecessary_operation, clippy::identity_op)] 98 const _: () = { 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 }; 105 pub type vring_used_elem_t = vring_used_elem; 106 #[repr(C)] 107 #[derive(Debug, Default)] 108 pub 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)] 114 const _: () = { 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."] 122 pub type vring_desc_t = vring_desc; 123 pub type vring_avail_t = vring_avail; 124 pub type vring_used_t = vring_used; 125 #[repr(C)] 126 #[derive(Debug, Copy, Clone, PartialEq)] 127 pub 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)] 134 const _: () = { 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 }; 142 impl Default for vring { default() -> Self143 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)] 153 pub struct vring_packed_desc_event { 154 pub off_wrap: __le16, 155 pub flags: __le16, 156 } 157 #[allow(clippy::unnecessary_operation, clippy::identity_op)] 158 const _: () = { 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)] 169 pub 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)] 176 const _: () = { 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 }; 188