Struct vmm_vhost::message::VhostUserExternalMapMsg
source · #[repr(C, packed)]pub struct VhostUserExternalMapMsg {
pub shmid: u8,
padding: [u8; 7],
pub shm_offset: u64,
pub len: u64,
pub ptr: u64,
}
Expand description
Backend request message to map external 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.
ptr: u64
Pointer to the memory.
Implementations§
Trait Implementations§
source§impl AsBytes for VhostUserExternalMapMsgwhere
u8: AsBytes,
[u8; 7]: AsBytes,
u64: AsBytes,
impl AsBytes for VhostUserExternalMapMsgwhere u8: AsBytes, [u8; 7]: AsBytes, u64: AsBytes,
§fn as_bytes_mut(&mut self) -> &mut [u8] ⓘwhere
Self: FromBytes,
fn as_bytes_mut(&mut self) -> &mut [u8] ⓘwhere Self: FromBytes,
Gets the bytes of this value mutably. Read more
§fn write_to_prefix(&self, bytes: &mut [u8]) -> Option<()>
fn write_to_prefix(&self, bytes: &mut [u8]) -> Option<()>
source§impl Clone for VhostUserExternalMapMsg
impl Clone for VhostUserExternalMapMsg
source§fn clone(&self) -> VhostUserExternalMapMsg
fn clone(&self) -> VhostUserExternalMapMsg
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 VhostUserExternalMapMsg
impl Default for VhostUserExternalMapMsg
source§fn default() -> VhostUserExternalMapMsg
fn default() -> VhostUserExternalMapMsg
Returns the “default value” for a type. Read more
source§impl FromBytes for VhostUserExternalMapMsgwhere
u8: FromBytes,
[u8; 7]: FromBytes,
u64: FromBytes,
impl FromBytes for VhostUserExternalMapMsgwhere u8: FromBytes, [u8; 7]: FromBytes, u64: FromBytes,
§fn slice_from_prefix(bytes: &[u8], count: usize) -> Option<(&[Self], &[u8])>where
Self: Sized,
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§fn slice_from_suffix(bytes: &[u8], count: usize) -> Option<(&[u8], &[Self])>where
Self: Sized,
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§fn mut_slice_from_prefix(
bytes: &mut [u8],
count: usize
) -> Option<(&mut [Self], &mut [u8])>where
Self: Sized + AsBytes,
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§fn mut_slice_from_suffix(
bytes: &mut [u8],
count: usize
) -> Option<(&mut [u8], &mut [Self])>where
Self: Sized + AsBytes,
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§fn read_from_prefix(bytes: &[u8]) -> Option<Self>where
Self: Sized,
fn read_from_prefix(bytes: &[u8]) -> Option<Self>where Self: Sized,
source§impl FromZeroes for VhostUserExternalMapMsgwhere
u8: FromZeroes,
[u8; 7]: FromZeroes,
u64: FromZeroes,
impl FromZeroes for VhostUserExternalMapMsgwhere u8: FromZeroes, [u8; 7]: FromZeroes, u64: FromZeroes,
impl Copy for VhostUserExternalMapMsg
Auto Trait Implementations§
impl RefUnwindSafe for VhostUserExternalMapMsg
impl Send for VhostUserExternalMapMsg
impl Sync for VhostUserExternalMapMsg
impl Unpin for VhostUserExternalMapMsg
impl UnwindSafe for VhostUserExternalMapMsg
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