Struct vmm_vhost::message::VhostUserShmemMapMsg
source · #[repr(C, packed(1))]pub struct VhostUserShmemMapMsg {
pub flags: VhostUserShmemMapMsgFlags,
pub shmid: u8,
padding: [u8; 6],
pub shm_offset: u64,
pub fd_offset: u64,
pub len: u64,
}
Expand description
Backend request message to map a file into a shared memory region.
Fields§
§flags: VhostUserShmemMapMsgFlags
Flags for the mmap operation
shmid: u8
Shared memory region id.
padding: [u8; 6]
§shm_offset: u64
Offset into the shared memory region.
fd_offset: u64
File offset.
len: u64
Size of region to map.
Implementations§
Trait Implementations§
source§impl Clone for VhostUserShmemMapMsg
impl Clone for VhostUserShmemMapMsg
source§fn clone(&self) -> VhostUserShmemMapMsg
fn clone(&self) -> VhostUserShmemMapMsg
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Default for VhostUserShmemMapMsg
impl Default for VhostUserShmemMapMsg
source§fn default() -> VhostUserShmemMapMsg
fn default() -> VhostUserShmemMapMsg
Returns the “default value” for a type. Read more
source§impl FromBytes for VhostUserShmemMapMsg
impl FromBytes for VhostUserShmemMapMsg
§fn ref_from_bytes(
source: &[u8],
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout + Immutable,
fn ref_from_bytes(
source: &[u8],
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout + Immutable,
§fn ref_from_prefix(
source: &[u8],
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout + Immutable,
fn ref_from_prefix(
source: &[u8],
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout + Immutable,
§fn ref_from_suffix(
source: &[u8],
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: Immutable + KnownLayout,
fn ref_from_suffix(
source: &[u8],
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: Immutable + KnownLayout,
Interprets the suffix of the given bytes as a
&Self
. Read more§fn mut_from_bytes(
source: &mut [u8],
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
fn mut_from_bytes(
source: &mut [u8],
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
§fn mut_from_prefix(
source: &mut [u8],
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
fn mut_from_prefix(
source: &mut [u8],
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
§fn mut_from_suffix(
source: &mut [u8],
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
fn mut_from_suffix(
source: &mut [u8],
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
source§impl FromZeros for VhostUserShmemMapMsg
impl FromZeros for VhostUserShmemMapMsg
source§impl IntoBytes for VhostUserShmemMapMsg
impl IntoBytes for VhostUserShmemMapMsg
§fn as_mut_bytes(&mut self) -> &mut [u8] ⓘwhere
Self: FromBytes,
fn as_mut_bytes(&mut self) -> &mut [u8] ⓘwhere
Self: FromBytes,
Gets the bytes of this value mutably. Read more
§fn write_to(&self, dst: &mut [u8]) -> Result<(), SizeError<&Self, &mut [u8]>>where
Self: Immutable,
fn write_to(&self, dst: &mut [u8]) -> Result<(), SizeError<&Self, &mut [u8]>>where
Self: Immutable,
source§impl KnownLayout for VhostUserShmemMapMsgwhere
u64: KnownLayout,
impl KnownLayout for VhostUserShmemMapMsgwhere
u64: KnownLayout,
§type PointerMetadata = <u64 as KnownLayout>::PointerMetadata
type PointerMetadata = <u64 as KnownLayout>::PointerMetadata
The type of metadata stored in a pointer to
Self
. Read moresource§impl TryFromBytes for VhostUserShmemMapMsgwhere
VhostUserShmemMapMsgFlags: TryFromBytes,
u8: TryFromBytes,
[u8; 6]: TryFromBytes,
u64: TryFromBytes,
impl TryFromBytes for VhostUserShmemMapMsgwhere
VhostUserShmemMapMsgFlags: TryFromBytes,
u8: TryFromBytes,
[u8; 6]: TryFromBytes,
u64: TryFromBytes,
§fn try_ref_from_bytes(
source: &[u8],
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
fn try_ref_from_bytes(
source: &[u8],
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
§fn try_ref_from_prefix(
source: &[u8],
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
fn try_ref_from_prefix(
source: &[u8],
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
§fn try_ref_from_suffix(
source: &[u8],
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
fn try_ref_from_suffix(
source: &[u8],
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
§fn try_mut_from_bytes(
bytes: &mut [u8],
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout,
fn try_mut_from_bytes(
bytes: &mut [u8],
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout,
§fn try_mut_from_prefix(
source: &mut [u8],
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout,
fn try_mut_from_prefix(
source: &mut [u8],
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout,
§fn try_mut_from_suffix(
source: &mut [u8],
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout,
fn try_mut_from_suffix(
source: &mut [u8],
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout,
§fn try_read_from_bytes(
source: &[u8],
) -> Result<Self, ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
fn try_read_from_bytes(
source: &[u8],
) -> Result<Self, ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
§fn try_read_from_prefix(
source: &[u8],
) -> Result<(Self, &[u8]), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
fn try_read_from_prefix(
source: &[u8],
) -> Result<(Self, &[u8]), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
§fn try_read_from_suffix(
source: &[u8],
) -> Result<(&[u8], Self), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
fn try_read_from_suffix(
source: &[u8],
) -> Result<(&[u8], Self), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
impl Copy for VhostUserShmemMapMsg
impl Immutable for VhostUserShmemMapMsg
Auto Trait Implementations§
impl Freeze for VhostUserShmemMapMsg
impl RefUnwindSafe for VhostUserShmemMapMsg
impl Send for VhostUserShmemMapMsg
impl Sync for VhostUserShmemMapMsg
impl Unpin for VhostUserShmemMapMsg
impl UnwindSafe for VhostUserShmemMapMsg
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> CloneToUninit for Twhere
T: Copy,
impl<T> CloneToUninit for Twhere
T: Copy,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§default unsafe fn clone_to_uninit(&self, dst: *mut T)
default unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)