Struct vmm_vhost::message::VhostUserGpuMapMsg

#[repr(C, packed)]
pub struct VhostUserGpuMapMsg {
    pub shmid: u8,
    padding: [u8; 7],
    pub shm_offset: u64,
    pub len: u64,
    pub memory_idx: u32,
    pub handle_type: u32,
    pub device_uuid: [u8; 16],
    pub driver_uuid: [u8; 16],
}

Backend request message to map GPU memory into a shared memory region.

Fields

shmid: u8

Shared memory region id.

padding: [u8; 7]

shm_offset: u64

Offset into the shared memory region.

len: u64

Size of region to map.

memory_idx: u32

Index of the memory type.

handle_type: u32

Type of share handle.

device_uuid: [u8; 16]

Device UUID

driver_uuid: [u8; 16]

Driver UUID

Implementations

impl VhostUserGpuMapMsg

pub fn new( shmid: u8, shm_offset: u64, len: u64, memory_idx: u32, handle_type: u32, device_uuid: [u8; 16], driver_uuid: [u8; 16] ) -> Self

New instance of VhostUserGpuMapMsg struct

Trait Implementations

impl AsBytes for VhostUserGpuMapMsgwhere u8: AsBytes, [u8; 7]: AsBytes, u64: AsBytes, u32: AsBytes, [u8; 16]: AsBytes,

fn as_bytes(&self) -> &[u8]

Gets the bytes of this value.

fn as_bytes_mut(&mut self) -> &mut [u8] where Self: FromBytes,

Gets the bytes of this value mutably.

fn write_to(&self, bytes: &mut [u8]) -> Option<()>

Writes a copy of self to bytes.

fn write_to_prefix(&self, bytes: &mut [u8]) -> Option<()>

Writes a copy of self to the prefix of bytes.

fn write_to_suffix(&self, bytes: &mut [u8]) -> Option<()>

Writes a copy of self to the suffix of bytes.

impl Clone for VhostUserGpuMapMsg

fn clone(&self) -> VhostUserGpuMapMsg

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Default for VhostUserGpuMapMsg

fn default() -> VhostUserGpuMapMsg

Returns the “default value” for a type.

impl FromBytes for VhostUserGpuMapMsgwhere u8: FromBytes, [u8; 7]: FromBytes, u64: FromBytes, u32: FromBytes, [u8; 16]: FromBytes,

fn ref_from(bytes: &[u8]) -> Option<&Self>where Self: Sized,

Interprets the given bytes as a &Self without copying.

fn ref_from_prefix(bytes: &[u8]) -> Option<&Self>where Self: Sized,

Interprets the prefix of the given bytes as a &Self without copying.

fn ref_from_suffix(bytes: &[u8]) -> Option<&Self>where Self: Sized,

Interprets the suffix of the given bytes as a &Self without copying.

fn mut_from(bytes: &mut [u8]) -> Option<&mut Self>where Self: Sized + AsBytes,

Interprets the given bytes as a &mut Self without copying.

fn mut_from_prefix(bytes: &mut [u8]) -> Option<&mut Self>where Self: Sized + AsBytes,

Interprets the prefix of the given bytes as a &mut Self without copying.

fn mut_from_suffix(bytes: &mut [u8]) -> Option<&mut Self>where Self: Sized + AsBytes,

Interprets the suffix of the given bytes as a &mut Self without copying.

fn slice_from(bytes: &[u8]) -> Option<&[Self]>where Self: Sized,

Interprets the given bytes as a &[Self] without copying.

fn slice_from_prefix(bytes: &[u8], count: usize) -> Option<(&[Self], &[u8])>where Self: Sized,

Interprets the prefix of the given bytes as a &[Self] with length equal to count without copying.

fn slice_from_suffix(bytes: &[u8], count: usize) -> Option<(&[u8], &[Self])>where Self: Sized,

Interprets the suffix of the given bytes as a &[Self] with length equal to count without copying.

fn mut_slice_from(bytes: &mut [u8]) -> Option<&mut [Self]>where Self: Sized + AsBytes,

Interprets the given bytes as a &mut [Self] without copying.

fn mut_slice_from_prefix( bytes: &mut [u8], count: usize ) -> Option<(&mut [Self], &mut [u8])>where Self: Sized + AsBytes,

Interprets the prefix of the given bytes as a &mut [Self] with length equal to count without copying.

fn mut_slice_from_suffix( bytes: &mut [u8], count: usize ) -> Option<(&mut [u8], &mut [Self])>where Self: Sized + AsBytes,

Interprets the suffix of the given bytes as a &mut [Self] with length equal to count without copying.

fn read_from(bytes: &[u8]) -> Option<Self>where Self: Sized,

Reads a copy of Self from bytes.

fn read_from_prefix(bytes: &[u8]) -> Option<Self>where Self: Sized,

Reads a copy of Self from the prefix of bytes.

fn read_from_suffix(bytes: &[u8]) -> Option<Self>where Self: Sized,

Reads a copy of Self from the suffix of bytes.

impl FromZeroes for VhostUserGpuMapMsgwhere u8: FromZeroes, [u8; 7]: FromZeroes, u64: FromZeroes, u32: FromZeroes, [u8; 16]: FromZeroes,

fn zero(&mut self)

Overwrites self with zeroes.

fn new_zeroed() -> Selfwhere Self: Sized,

Creates an instance of Self from zeroed bytes.

impl VhostUserMsgValidator for VhostUserGpuMapMsg

fn is_valid(&self) -> bool

Validate message syntax only. It doesn’t validate message semantics such as protocol version number and dependency on feature flags etc.

impl Copy for VhostUserGpuMapMsg