#[repr(C, packed(1))]
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], }
Expand description

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

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§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

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impl VhostUserGpuMapMsg

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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§

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

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

Gets the bytes of this value. Read more
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fn as_bytes_mut(&mut self) -> &mut [u8]
where Self: FromBytes,

Gets the bytes of this value mutably. Read more
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fn write_to(&self, bytes: &mut [u8]) -> Option<()>

Writes a copy of self to bytes. Read more
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fn write_to_prefix(&self, bytes: &mut [u8]) -> Option<()>

Writes a copy of self to the prefix of bytes. Read more
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fn write_to_suffix(&self, bytes: &mut [u8]) -> Option<()>

Writes a copy of self to the suffix of bytes. Read more
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impl Clone for VhostUserGpuMapMsg

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fn clone(&self) -> VhostUserGpuMapMsg

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Default for VhostUserGpuMapMsg

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fn default() -> VhostUserGpuMapMsg

Returns the “default value” for a type. Read more
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impl FromBytes for VhostUserGpuMapMsg
where u8: FromBytes, [u8; 7]: FromBytes, u64: FromBytes, u32: FromBytes, [u8; 16]: FromBytes,

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

Interprets the given bytes as a &Self without copying. Read more
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fn ref_from_prefix(bytes: &[u8]) -> Option<&Self>
where Self: Sized,

Interprets the prefix of the given bytes as a &Self without copying. Read more
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fn ref_from_suffix(bytes: &[u8]) -> Option<&Self>
where Self: Sized,

Interprets the suffix of the given bytes as a &Self without copying. Read more
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fn mut_from(bytes: &mut [u8]) -> Option<&mut Self>
where Self: Sized + AsBytes,

Interprets the given bytes as a &mut Self without copying. Read more
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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. Read more
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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. Read more
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fn slice_from(bytes: &[u8]) -> Option<&[Self]>
where Self: Sized,

Interprets the given bytes as a &[Self] without copying. Read more
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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. Read more
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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. Read more
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fn mut_slice_from(bytes: &mut [u8]) -> Option<&mut [Self]>
where Self: Sized + AsBytes,

Interprets the given bytes as a &mut [Self] without copying. Read more
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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. Read more
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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. Read more
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fn read_from(bytes: &[u8]) -> Option<Self>
where Self: Sized,

Reads a copy of Self from bytes. Read more
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fn read_from_prefix(bytes: &[u8]) -> Option<Self>
where Self: Sized,

Reads a copy of Self from the prefix of bytes. Read more
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fn read_from_suffix(bytes: &[u8]) -> Option<Self>
where Self: Sized,

Reads a copy of Self from the suffix of bytes. Read more
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impl FromZeroes for VhostUserGpuMapMsg
where u8: FromZeroes, [u8; 7]: FromZeroes, u64: FromZeroes, u32: FromZeroes, [u8; 16]: FromZeroes,

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fn zero(&mut self)

Overwrites self with zeroes. Read more
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fn new_zeroed() -> Self
where Self: Sized,

Creates an instance of Self from zeroed bytes. Read more
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impl VhostUserMsgValidator for VhostUserGpuMapMsg

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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.
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impl Copy for VhostUserGpuMapMsg

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.