virtio_sys: add crate for virtio/vhost ioctl bindings

Signed-off-by: Stephen Barber <smbarber@chromium.org>

BUG=chromium:738639
TEST=cargo test

Change-Id: I93eac65910e7f4f7c786cc0de3bb28c07b1be268
Reviewed-on: https://chromium-review.googlesource.com/538100
Commit-Ready: Stephen Barber <smbarber@chromium.org>
Tested-by: Stephen Barber <smbarber@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>

1 files changed, 613 insertions, 0 deletions

diff --git a/virtio_sys/src/vhost.rs b/virtio_sys/src/vhost.rs
new file mode 100644
index 0000000..d295660
--- /dev/null
+++ b/virtio_sys/src/vhost.rs
@@ -0,0 +1,613 @@
+/* automatically generated by rust-bindgen */
+
+#[repr(C)]
+#[derive(Default)]
+pub struct __IncompleteArrayField<T>(::std::marker::PhantomData<T>);
+impl <T> __IncompleteArrayField<T> {
+    #[inline]
+    pub fn new() -> Self {
+        __IncompleteArrayField(::std::marker::PhantomData)
+    }
+    #[inline]
+    pub unsafe fn as_ptr(&self) -> *const T { ::std::mem::transmute(self) }
+    #[inline]
+    pub unsafe fn as_mut_ptr(&mut self) -> *mut T {
+        ::std::mem::transmute(self)
+    }
+    #[inline]
+    pub unsafe fn as_slice(&self, len: usize) -> &[T] {
+        ::std::slice::from_raw_parts(self.as_ptr(), len)
+    }
+    #[inline]
+    pub unsafe fn as_mut_slice(&mut self, len: usize) -> &mut [T] {
+        ::std::slice::from_raw_parts_mut(self.as_mut_ptr(), len)
+    }
+}
+impl <T> ::std::fmt::Debug for __IncompleteArrayField<T> {
+    fn fmt(&self, fmt: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
+        fmt.write_str("__IncompleteArrayField")
+    }
+}
+impl <T> ::std::clone::Clone for __IncompleteArrayField<T> {
+    #[inline]
+    fn clone(&self) -> Self { Self::new() }
+}
+impl <T> ::std::marker::Copy for __IncompleteArrayField<T> { }
+pub const __BITS_PER_LONG: ::std::os::raw::c_uint = 64;
+pub const __FD_SETSIZE: ::std::os::raw::c_uint = 1024;
+pub const _IOC_NRBITS: ::std::os::raw::c_uint = 8;
+pub const _IOC_TYPEBITS: ::std::os::raw::c_uint = 8;
+pub const _IOC_SIZEBITS: ::std::os::raw::c_uint = 14;
+pub const _IOC_DIRBITS: ::std::os::raw::c_uint = 2;
+pub const _IOC_NRMASK: ::std::os::raw::c_uint = 255;
+pub const _IOC_TYPEMASK: ::std::os::raw::c_uint = 255;
+pub const _IOC_SIZEMASK: ::std::os::raw::c_uint = 16383;
+pub const _IOC_DIRMASK: ::std::os::raw::c_uint = 3;
+pub const _IOC_NRSHIFT: ::std::os::raw::c_uint = 0;
+pub const _IOC_TYPESHIFT: ::std::os::raw::c_uint = 8;
+pub const _IOC_SIZESHIFT: ::std::os::raw::c_uint = 16;
+pub const _IOC_DIRSHIFT: ::std::os::raw::c_uint = 30;
+pub const _IOC_NONE: ::std::os::raw::c_uint = 0;
+pub const _IOC_WRITE: ::std::os::raw::c_uint = 1;
+pub const _IOC_READ: ::std::os::raw::c_uint = 2;
+pub const IOC_IN: ::std::os::raw::c_uint = 1073741824;
+pub const IOC_OUT: ::std::os::raw::c_uint = 2147483648;
+pub const IOC_INOUT: ::std::os::raw::c_uint = 3221225472;
+pub const IOCSIZE_MASK: ::std::os::raw::c_uint = 1073676288;
+pub const IOCSIZE_SHIFT: ::std::os::raw::c_uint = 16;
+pub const VIRTIO_CONFIG_S_ACKNOWLEDGE: ::std::os::raw::c_uint = 1;
+pub const VIRTIO_CONFIG_S_DRIVER: ::std::os::raw::c_uint = 2;
+pub const VIRTIO_CONFIG_S_DRIVER_OK: ::std::os::raw::c_uint = 4;
+pub const VIRTIO_CONFIG_S_FEATURES_OK: ::std::os::raw::c_uint = 8;
+pub const VIRTIO_CONFIG_S_FAILED: ::std::os::raw::c_uint = 128;
+pub const VIRTIO_TRANSPORT_F_START: ::std::os::raw::c_uint = 28;
+pub const VIRTIO_TRANSPORT_F_END: ::std::os::raw::c_uint = 33;
+pub const VIRTIO_F_NOTIFY_ON_EMPTY: ::std::os::raw::c_uint = 24;
+pub const VIRTIO_F_ANY_LAYOUT: ::std::os::raw::c_uint = 27;
+pub const VIRTIO_F_VERSION_1: ::std::os::raw::c_uint = 32;
+pub const _STDINT_H: ::std::os::raw::c_uint = 1;
+pub const _FEATURES_H: ::std::os::raw::c_uint = 1;
+pub const _DEFAULT_SOURCE: ::std::os::raw::c_uint = 1;
+pub const __USE_ISOC11: ::std::os::raw::c_uint = 1;
+pub const __USE_ISOC99: ::std::os::raw::c_uint = 1;
+pub const __USE_ISOC95: ::std::os::raw::c_uint = 1;
+pub const __USE_POSIX_IMPLICITLY: ::std::os::raw::c_uint = 1;
+pub const _POSIX_SOURCE: ::std::os::raw::c_uint = 1;
+pub const _POSIX_C_SOURCE: ::std::os::raw::c_uint = 200809;
+pub const __USE_POSIX: ::std::os::raw::c_uint = 1;
+pub const __USE_POSIX2: ::std::os::raw::c_uint = 1;
+pub const __USE_POSIX199309: ::std::os::raw::c_uint = 1;
+pub const __USE_POSIX199506: ::std::os::raw::c_uint = 1;
+pub const __USE_XOPEN2K: ::std::os::raw::c_uint = 1;
+pub const __USE_XOPEN2K8: ::std::os::raw::c_uint = 1;
+pub const _ATFILE_SOURCE: ::std::os::raw::c_uint = 1;
+pub const __USE_MISC: ::std::os::raw::c_uint = 1;
+pub const __USE_ATFILE: ::std::os::raw::c_uint = 1;
+pub const __USE_FORTIFY_LEVEL: ::std::os::raw::c_uint = 0;
+pub const _STDC_PREDEF_H: ::std::os::raw::c_uint = 1;
+pub const __STDC_IEC_559__: ::std::os::raw::c_uint = 1;
+pub const __STDC_IEC_559_COMPLEX__: ::std::os::raw::c_uint = 1;
+pub const __STDC_ISO_10646__: ::std::os::raw::c_uint = 201505;
+pub const __STDC_NO_THREADS__: ::std::os::raw::c_uint = 1;
+pub const __GNU_LIBRARY__: ::std::os::raw::c_uint = 6;
+pub const __GLIBC__: ::std::os::raw::c_uint = 2;
+pub const __GLIBC_MINOR__: ::std::os::raw::c_uint = 23;
+pub const _SYS_CDEFS_H: ::std::os::raw::c_uint = 1;
+pub const __WORDSIZE: ::std::os::raw::c_uint = 64;
+pub const __WORDSIZE_TIME64_COMPAT32: ::std::os::raw::c_uint = 1;
+pub const __SYSCALL_WORDSIZE: ::std::os::raw::c_uint = 64;
+pub const _BITS_WCHAR_H: ::std::os::raw::c_uint = 1;
+pub const INT8_MIN: ::std::os::raw::c_int = -128;
+pub const INT16_MIN: ::std::os::raw::c_int = -32768;
+pub const INT32_MIN: ::std::os::raw::c_int = -2147483648;
+pub const INT8_MAX: ::std::os::raw::c_uint = 127;
+pub const INT16_MAX: ::std::os::raw::c_uint = 32767;
+pub const INT32_MAX: ::std::os::raw::c_uint = 2147483647;
+pub const UINT8_MAX: ::std::os::raw::c_uint = 255;
+pub const UINT16_MAX: ::std::os::raw::c_uint = 65535;
+pub const UINT32_MAX: ::std::os::raw::c_uint = 4294967295;
+pub const INT_LEAST8_MIN: ::std::os::raw::c_int = -128;
+pub const INT_LEAST16_MIN: ::std::os::raw::c_int = -32768;
+pub const INT_LEAST32_MIN: ::std::os::raw::c_int = -2147483648;
+pub const INT_LEAST8_MAX: ::std::os::raw::c_uint = 127;
+pub const INT_LEAST16_MAX: ::std::os::raw::c_uint = 32767;
+pub const INT_LEAST32_MAX: ::std::os::raw::c_uint = 2147483647;
+pub const UINT_LEAST8_MAX: ::std::os::raw::c_uint = 255;
+pub const UINT_LEAST16_MAX: ::std::os::raw::c_uint = 65535;
+pub const UINT_LEAST32_MAX: ::std::os::raw::c_uint = 4294967295;
+pub const INT_FAST8_MIN: ::std::os::raw::c_int = -128;
+pub const INT_FAST16_MIN: ::std::os::raw::c_longlong = -9223372036854775808;
+pub const INT_FAST32_MIN: ::std::os::raw::c_longlong = -9223372036854775808;
+pub const INT_FAST8_MAX: ::std::os::raw::c_uint = 127;
+pub const INT_FAST16_MAX: ::std::os::raw::c_ulonglong = 9223372036854775807;
+pub const INT_FAST32_MAX: ::std::os::raw::c_ulonglong = 9223372036854775807;
+pub const UINT_FAST8_MAX: ::std::os::raw::c_uint = 255;
+pub const UINT_FAST16_MAX: ::std::os::raw::c_int = -1;
+pub const UINT_FAST32_MAX: ::std::os::raw::c_int = -1;
+pub const INTPTR_MIN: ::std::os::raw::c_longlong = -9223372036854775808;
+pub const INTPTR_MAX: ::std::os::raw::c_ulonglong = 9223372036854775807;
+pub const UINTPTR_MAX: ::std::os::raw::c_int = -1;
+pub const PTRDIFF_MIN: ::std::os::raw::c_longlong = -9223372036854775808;
+pub const PTRDIFF_MAX: ::std::os::raw::c_ulonglong = 9223372036854775807;
+pub const SIG_ATOMIC_MIN: ::std::os::raw::c_int = -2147483648;
+pub const SIG_ATOMIC_MAX: ::std::os::raw::c_uint = 2147483647;
+pub const SIZE_MAX: ::std::os::raw::c_int = -1;
+pub const WINT_MIN: ::std::os::raw::c_uint = 0;
+pub const WINT_MAX: ::std::os::raw::c_uint = 4294967295;
+pub const VRING_DESC_F_NEXT: ::std::os::raw::c_uint = 1;
+pub const VRING_DESC_F_WRITE: ::std::os::raw::c_uint = 2;
+pub const VRING_DESC_F_INDIRECT: ::std::os::raw::c_uint = 4;
+pub const VRING_USED_F_NO_NOTIFY: ::std::os::raw::c_uint = 1;
+pub const VRING_AVAIL_F_NO_INTERRUPT: ::std::os::raw::c_uint = 1;
+pub const VIRTIO_RING_F_INDIRECT_DESC: ::std::os::raw::c_uint = 28;
+pub const VIRTIO_RING_F_EVENT_IDX: ::std::os::raw::c_uint = 29;
+pub const VRING_AVAIL_ALIGN_SIZE: ::std::os::raw::c_uint = 2;
+pub const VRING_USED_ALIGN_SIZE: ::std::os::raw::c_uint = 4;
+pub const VRING_DESC_ALIGN_SIZE: ::std::os::raw::c_uint = 16;
+pub const VHOST_VRING_F_LOG: ::std::os::raw::c_uint = 0;
+pub const VHOST_PAGE_SIZE: ::std::os::raw::c_uint = 4096;
+pub const VHOST_VIRTIO: ::std::os::raw::c_uint = 175;
+pub const VHOST_VRING_LITTLE_ENDIAN: ::std::os::raw::c_uint = 0;
+pub const VHOST_VRING_BIG_ENDIAN: ::std::os::raw::c_uint = 1;
+pub const VHOST_F_LOG_ALL: ::std::os::raw::c_uint = 26;
+pub const VHOST_NET_F_VIRTIO_NET_HDR: ::std::os::raw::c_uint = 27;
+pub const VHOST_SCSI_ABI_VERSION: ::std::os::raw::c_uint = 1;
+pub type __s8 = ::std::os::raw::c_schar;
+pub type __u8 = ::std::os::raw::c_uchar;
+pub type __s16 = ::std::os::raw::c_short;
+pub type __u16 = ::std::os::raw::c_ushort;
+pub type __s32 = ::std::os::raw::c_int;
+pub type __u32 = ::std::os::raw::c_uint;
+pub type __s64 = ::std::os::raw::c_longlong;
+pub type __u64 = ::std::os::raw::c_ulonglong;
+#[repr(C)]
+#[derive(Debug, Default, Copy)]
+pub struct __kernel_fd_set {
+    pub fds_bits: [::std::os::raw::c_ulong; 16usize],
+}
+#[test]
+fn bindgen_test_layout___kernel_fd_set() {
+    assert_eq!(::std::mem::size_of::<__kernel_fd_set>() , 128usize , concat !
+               ( "Size of: " , stringify ! ( __kernel_fd_set ) ));
+    assert_eq! (::std::mem::align_of::<__kernel_fd_set>() , 8usize , concat !
+                ( "Alignment of " , stringify ! ( __kernel_fd_set ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const __kernel_fd_set ) ) . fds_bits as * const
+                _ as usize } , 0usize , concat ! (
+                "Alignment of field: " , stringify ! ( __kernel_fd_set ) ,
+                "::" , stringify ! ( fds_bits ) ));
+}
+impl Clone for __kernel_fd_set {
+    fn clone(&self) -> Self { *self }
+}
+pub type __kernel_sighandler_t =
+    ::std::option::Option<unsafe extern "C" fn(arg1: ::std::os::raw::c_int)>;
+pub type __kernel_key_t = ::std::os::raw::c_int;
+pub type __kernel_mqd_t = ::std::os::raw::c_int;
+pub type __kernel_old_uid_t = ::std::os::raw::c_ushort;
+pub type __kernel_old_gid_t = ::std::os::raw::c_ushort;
+pub type __kernel_old_dev_t = ::std::os::raw::c_ulong;
+pub type __kernel_long_t = ::std::os::raw::c_long;
+pub type __kernel_ulong_t = ::std::os::raw::c_ulong;
+pub type __kernel_ino_t = __kernel_ulong_t;
+pub type __kernel_mode_t = ::std::os::raw::c_uint;
+pub type __kernel_pid_t = ::std::os::raw::c_int;
+pub type __kernel_ipc_pid_t = ::std::os::raw::c_int;
+pub type __kernel_uid_t = ::std::os::raw::c_uint;
+pub type __kernel_gid_t = ::std::os::raw::c_uint;
+pub type __kernel_suseconds_t = __kernel_long_t;
+pub type __kernel_daddr_t = ::std::os::raw::c_int;
+pub type __kernel_uid32_t = ::std::os::raw::c_uint;
+pub type __kernel_gid32_t = ::std::os::raw::c_uint;
+pub type __kernel_size_t = __kernel_ulong_t;
+pub type __kernel_ssize_t = __kernel_long_t;
+pub type __kernel_ptrdiff_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Default, Copy)]
+pub struct __kernel_fsid_t {
+    pub val: [::std::os::raw::c_int; 2usize],
+}
+#[test]
+fn bindgen_test_layout___kernel_fsid_t() {
+    assert_eq!(::std::mem::size_of::<__kernel_fsid_t>() , 8usize , concat ! (
+               "Size of: " , stringify ! ( __kernel_fsid_t ) ));
+    assert_eq! (::std::mem::align_of::<__kernel_fsid_t>() , 4usize , concat !
+                ( "Alignment of " , stringify ! ( __kernel_fsid_t ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const __kernel_fsid_t ) ) . val as * const _ as
+                usize } , 0usize , concat ! (
+                "Alignment of field: " , stringify ! ( __kernel_fsid_t ) ,
+                "::" , stringify ! ( val ) ));
+}
+impl Clone for __kernel_fsid_t {
+    fn clone(&self) -> Self { *self }
+}
+pub type __kernel_off_t = __kernel_long_t;
+pub type __kernel_loff_t = ::std::os::raw::c_longlong;
+pub type __kernel_time_t = __kernel_long_t;
+pub type __kernel_clock_t = __kernel_long_t;
+pub type __kernel_timer_t = ::std::os::raw::c_int;
+pub type __kernel_clockid_t = ::std::os::raw::c_int;
+pub type __kernel_caddr_t = *mut ::std::os::raw::c_char;
+pub type __kernel_uid16_t = ::std::os::raw::c_ushort;
+pub type __kernel_gid16_t = ::std::os::raw::c_ushort;
+pub type __le16 = __u16;
+pub type __be16 = __u16;
+pub type __le32 = __u32;
+pub type __be32 = __u32;
+pub type __le64 = __u64;
+pub type __be64 = __u64;
+pub type __sum16 = __u16;
+pub type __wsum = __u32;
+pub type int_least8_t = ::std::os::raw::c_schar;
+pub type int_least16_t = ::std::os::raw::c_short;
+pub type int_least32_t = ::std::os::raw::c_int;
+pub type int_least64_t = ::std::os::raw::c_long;
+pub type uint_least8_t = ::std::os::raw::c_uchar;
+pub type uint_least16_t = ::std::os::raw::c_ushort;
+pub type uint_least32_t = ::std::os::raw::c_uint;
+pub type uint_least64_t = ::std::os::raw::c_ulong;
+pub type int_fast8_t = ::std::os::raw::c_schar;
+pub type int_fast16_t = ::std::os::raw::c_long;
+pub type int_fast32_t = ::std::os::raw::c_long;
+pub type int_fast64_t = ::std::os::raw::c_long;
+pub type uint_fast8_t = ::std::os::raw::c_uchar;
+pub type uint_fast16_t = ::std::os::raw::c_ulong;
+pub type uint_fast32_t = ::std::os::raw::c_ulong;
+pub type uint_fast64_t = ::std::os::raw::c_ulong;
+pub type intmax_t = ::std::os::raw::c_long;
+pub type uintmax_t = ::std::os::raw::c_ulong;
+pub type __virtio16 = __u16;
+pub type __virtio32 = __u32;
+pub type __virtio64 = __u64;
+#[repr(C)]
+#[derive(Debug, Default, Copy)]
+pub struct vring_desc {
+    pub addr: __virtio64,
+    pub len: __virtio32,
+    pub flags: __virtio16,
+    pub next: __virtio16,
+}
+#[test]
+fn bindgen_test_layout_vring_desc() {
+    assert_eq!(::std::mem::size_of::<vring_desc>() , 16usize , concat ! (
+               "Size of: " , stringify ! ( vring_desc ) ));
+    assert_eq! (::std::mem::align_of::<vring_desc>() , 8usize , concat ! (
+                "Alignment of " , stringify ! ( vring_desc ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vring_desc ) ) . addr as * const _ as
+                usize } , 0usize , concat ! (
+                "Alignment of field: " , stringify ! ( vring_desc ) , "::" ,
+                stringify ! ( addr ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vring_desc ) ) . len as * const _ as
+                usize } , 8usize , concat ! (
+                "Alignment of field: " , stringify ! ( vring_desc ) , "::" ,
+                stringify ! ( len ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vring_desc ) ) . flags as * const _ as
+                usize } , 12usize , concat ! (
+                "Alignment of field: " , stringify ! ( vring_desc ) , "::" ,
+                stringify ! ( flags ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vring_desc ) ) . next as * const _ as
+                usize } , 14usize , concat ! (
+                "Alignment of field: " , stringify ! ( vring_desc ) , "::" ,
+                stringify ! ( next ) ));
+}
+impl Clone for vring_desc {
+    fn clone(&self) -> Self { *self }
+}
+#[repr(C)]
+#[derive(Debug, Default, Copy)]
+pub struct vring_avail {
+    pub flags: __virtio16,
+    pub idx: __virtio16,
+    pub ring: __IncompleteArrayField<__virtio16>,
+}
+#[test]
+fn bindgen_test_layout_vring_avail() {
+    assert_eq!(::std::mem::size_of::<vring_avail>() , 4usize , concat ! (
+               "Size of: " , stringify ! ( vring_avail ) ));
+    assert_eq! (::std::mem::align_of::<vring_avail>() , 2usize , concat ! (
+                "Alignment of " , stringify ! ( vring_avail ) ));
+}
+impl Clone for vring_avail {
+    fn clone(&self) -> Self { *self }
+}
+#[repr(C)]
+#[derive(Debug, Default, Copy)]
+pub struct vring_used_elem {
+    pub id: __virtio32,
+    pub len: __virtio32,
+}
+#[test]
+fn bindgen_test_layout_vring_used_elem() {
+    assert_eq!(::std::mem::size_of::<vring_used_elem>() , 8usize , concat ! (
+               "Size of: " , stringify ! ( vring_used_elem ) ));
+    assert_eq! (::std::mem::align_of::<vring_used_elem>() , 4usize , concat !
+                ( "Alignment of " , stringify ! ( vring_used_elem ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vring_used_elem ) ) . id as * const _ as
+                usize } , 0usize , concat ! (
+                "Alignment of field: " , stringify ! ( vring_used_elem ) ,
+                "::" , stringify ! ( id ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vring_used_elem ) ) . len as * const _ as
+                usize } , 4usize , concat ! (
+                "Alignment of field: " , stringify ! ( vring_used_elem ) ,
+                "::" , stringify ! ( len ) ));
+}
+impl Clone for vring_used_elem {
+    fn clone(&self) -> Self { *self }
+}
+#[repr(C)]
+#[derive(Debug, Default, Copy)]
+pub struct vring_used {
+    pub flags: __virtio16,
+    pub idx: __virtio16,
+    pub ring: __IncompleteArrayField<vring_used_elem>,
+    pub __bindgen_align: [u32; 0usize],
+}
+#[test]
+fn bindgen_test_layout_vring_used() {
+    assert_eq!(::std::mem::size_of::<vring_used>() , 4usize , concat ! (
+               "Size of: " , stringify ! ( vring_used ) ));
+    assert_eq! (::std::mem::align_of::<vring_used>() , 4usize , concat ! (
+                "Alignment of " , stringify ! ( vring_used ) ));
+}
+impl Clone for vring_used {
+    fn clone(&self) -> Self { *self }
+}
+#[repr(C)]
+#[derive(Debug, Copy)]
+pub struct vring {
+    pub num: ::std::os::raw::c_uint,
+    pub desc: *mut vring_desc,
+    pub avail: *mut vring_avail,
+    pub used: *mut vring_used,
+}
+#[test]
+fn bindgen_test_layout_vring() {
+    assert_eq!(::std::mem::size_of::<vring>() , 32usize , concat ! (
+               "Size of: " , stringify ! ( vring ) ));
+    assert_eq! (::std::mem::align_of::<vring>() , 8usize , concat ! (
+                "Alignment of " , stringify ! ( vring ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vring ) ) . num as * const _ as usize } ,
+                0usize , concat ! (
+                "Alignment of field: " , stringify ! ( vring ) , "::" ,
+                stringify ! ( num ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vring ) ) . desc as * const _ as usize }
+                , 8usize , concat ! (
+                "Alignment of field: " , stringify ! ( vring ) , "::" ,
+                stringify ! ( desc ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vring ) ) . avail as * const _ as usize }
+                , 16usize , concat ! (
+                "Alignment of field: " , stringify ! ( vring ) , "::" ,
+                stringify ! ( avail ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vring ) ) . used as * const _ as usize }
+                , 24usize , concat ! (
+                "Alignment of field: " , stringify ! ( vring ) , "::" ,
+                stringify ! ( used ) ));
+}
+impl Clone for vring {
+    fn clone(&self) -> Self { *self }
+}
+impl Default for vring {
+    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
+}
+#[repr(C)]
+#[derive(Debug, Default, Copy)]
+pub struct vhost_vring_state {
+    pub index: ::std::os::raw::c_uint,
+    pub num: ::std::os::raw::c_uint,
+}
+#[test]
+fn bindgen_test_layout_vhost_vring_state() {
+    assert_eq!(::std::mem::size_of::<vhost_vring_state>() , 8usize , concat !
+               ( "Size of: " , stringify ! ( vhost_vring_state ) ));
+    assert_eq! (::std::mem::align_of::<vhost_vring_state>() , 4usize , concat
+                ! ( "Alignment of " , stringify ! ( vhost_vring_state ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_vring_state ) ) . index as * const
+                _ as usize } , 0usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_vring_state ) ,
+                "::" , stringify ! ( index ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_vring_state ) ) . num as * const _
+                as usize } , 4usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_vring_state ) ,
+                "::" , stringify ! ( num ) ));
+}
+impl Clone for vhost_vring_state {
+    fn clone(&self) -> Self { *self }
+}
+#[repr(C)]
+#[derive(Debug, Default, Copy)]
+pub struct vhost_vring_file {
+    pub index: ::std::os::raw::c_uint,
+    pub fd: ::std::os::raw::c_int,
+}
+#[test]
+fn bindgen_test_layout_vhost_vring_file() {
+    assert_eq!(::std::mem::size_of::<vhost_vring_file>() , 8usize , concat ! (
+               "Size of: " , stringify ! ( vhost_vring_file ) ));
+    assert_eq! (::std::mem::align_of::<vhost_vring_file>() , 4usize , concat !
+                ( "Alignment of " , stringify ! ( vhost_vring_file ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_vring_file ) ) . index as * const _
+                as usize } , 0usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_vring_file ) ,
+                "::" , stringify ! ( index ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_vring_file ) ) . fd as * const _ as
+                usize } , 4usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_vring_file ) ,
+                "::" , stringify ! ( fd ) ));
+}
+impl Clone for vhost_vring_file {
+    fn clone(&self) -> Self { *self }
+}
+#[repr(C)]
+#[derive(Debug, Default, Copy)]
+pub struct vhost_vring_addr {
+    pub index: ::std::os::raw::c_uint,
+    pub flags: ::std::os::raw::c_uint,
+    pub desc_user_addr: __u64,
+    pub used_user_addr: __u64,
+    pub avail_user_addr: __u64,
+    pub log_guest_addr: __u64,
+}
+#[test]
+fn bindgen_test_layout_vhost_vring_addr() {
+    assert_eq!(::std::mem::size_of::<vhost_vring_addr>() , 40usize , concat !
+               ( "Size of: " , stringify ! ( vhost_vring_addr ) ));
+    assert_eq! (::std::mem::align_of::<vhost_vring_addr>() , 8usize , concat !
+                ( "Alignment of " , stringify ! ( vhost_vring_addr ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_vring_addr ) ) . index as * const _
+                as usize } , 0usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_vring_addr ) ,
+                "::" , stringify ! ( index ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_vring_addr ) ) . flags as * const _
+                as usize } , 4usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_vring_addr ) ,
+                "::" , stringify ! ( flags ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_vring_addr ) ) . desc_user_addr as
+                * const _ as usize } , 8usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_vring_addr ) ,
+                "::" , stringify ! ( desc_user_addr ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_vring_addr ) ) . used_user_addr as
+                * const _ as usize } , 16usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_vring_addr ) ,
+                "::" , stringify ! ( used_user_addr ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_vring_addr ) ) . avail_user_addr as
+                * const _ as usize } , 24usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_vring_addr ) ,
+                "::" , stringify ! ( avail_user_addr ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_vring_addr ) ) . log_guest_addr as
+                * const _ as usize } , 32usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_vring_addr ) ,
+                "::" , stringify ! ( log_guest_addr ) ));
+}
+impl Clone for vhost_vring_addr {
+    fn clone(&self) -> Self { *self }
+}
+#[repr(C)]
+#[derive(Debug, Default, Copy)]
+pub struct vhost_memory_region {
+    pub guest_phys_addr: __u64,
+    pub memory_size: __u64,
+    pub userspace_addr: __u64,
+    pub flags_padding: __u64,
+}
+#[test]
+fn bindgen_test_layout_vhost_memory_region() {
+    assert_eq!(::std::mem::size_of::<vhost_memory_region>() , 32usize , concat
+               ! ( "Size of: " , stringify ! ( vhost_memory_region ) ));
+    assert_eq! (::std::mem::align_of::<vhost_memory_region>() , 8usize ,
+                concat ! (
+                "Alignment of " , stringify ! ( vhost_memory_region ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_memory_region ) ) . guest_phys_addr
+                as * const _ as usize } , 0usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_memory_region ) ,
+                "::" , stringify ! ( guest_phys_addr ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_memory_region ) ) . memory_size as
+                * const _ as usize } , 8usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_memory_region ) ,
+                "::" , stringify ! ( memory_size ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_memory_region ) ) . userspace_addr
+                as * const _ as usize } , 16usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_memory_region ) ,
+                "::" , stringify ! ( userspace_addr ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_memory_region ) ) . flags_padding
+                as * const _ as usize } , 24usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_memory_region ) ,
+                "::" , stringify ! ( flags_padding ) ));
+}
+impl Clone for vhost_memory_region {
+    fn clone(&self) -> Self { *self }
+}
+#[repr(C)]
+#[derive(Debug, Default, Copy)]
+pub struct vhost_memory {
+    pub nregions: __u32,
+    pub padding: __u32,
+    pub regions: __IncompleteArrayField<vhost_memory_region>,
+    pub __force_alignment: [u64; 0],
+}
+#[test]
+fn bindgen_test_layout_vhost_memory() {
+    assert_eq!(::std::mem::size_of::<vhost_memory>() , 8usize , concat ! (
+               "Size of: " , stringify ! ( vhost_memory ) ));
+    assert_eq! (::std::mem::align_of::<vhost_memory>() , 8usize , concat ! (
+                "Alignment of " , stringify ! ( vhost_memory ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_memory ) ) . nregions as * const _
+                as usize } , 0usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_memory ) , "::" ,
+                stringify ! ( nregions ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_memory ) ) . padding as * const _
+                as usize } , 4usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_memory ) , "::" ,
+                stringify ! ( padding ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_memory ) ) . regions as * const _
+                as usize } , 8usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_memory ) , "::" ,
+                stringify ! ( regions ) ));
+}
+impl Clone for vhost_memory {
+    fn clone(&self) -> Self { *self }
+}
+#[repr(C)]
+pub struct vhost_scsi_target {
+    pub abi_version: ::std::os::raw::c_int,
+    pub vhost_wwpn: [::std::os::raw::c_char; 224usize],
+    pub vhost_tpgt: ::std::os::raw::c_ushort,
+    pub reserved: ::std::os::raw::c_ushort,
+}
+#[test]
+fn bindgen_test_layout_vhost_scsi_target() {
+    assert_eq!(::std::mem::size_of::<vhost_scsi_target>() , 232usize , concat
+               ! ( "Size of: " , stringify ! ( vhost_scsi_target ) ));
+    assert_eq! (::std::mem::align_of::<vhost_scsi_target>() , 4usize , concat
+                ! ( "Alignment of " , stringify ! ( vhost_scsi_target ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_scsi_target ) ) . abi_version as *
+                const _ as usize } , 0usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_scsi_target ) ,
+                "::" , stringify ! ( abi_version ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_scsi_target ) ) . vhost_wwpn as *
+                const _ as usize } , 4usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_scsi_target ) ,
+                "::" , stringify ! ( vhost_wwpn ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_scsi_target ) ) . vhost_tpgt as *
+                const _ as usize } , 228usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_scsi_target ) ,
+                "::" , stringify ! ( vhost_tpgt ) ));
+    assert_eq! (unsafe {
+                & ( * ( 0 as * const vhost_scsi_target ) ) . reserved as *
+                const _ as usize } , 230usize , concat ! (
+                "Alignment of field: " , stringify ! ( vhost_scsi_target ) ,
+                "::" , stringify ! ( reserved ) ));
+}
+impl Default for vhost_scsi_target {
+    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
+}