MemoryRegionAddress

vmm::vstate::memory

Struct MemoryRegionAddress 

pub struct MemoryRegionAddress(pub u64);
Expand description

Represents an offset inside a region.

Tuple Fields§

§0: u64

Trait Implementations§

§

impl Address for MemoryRegionAddress

§

fn new(value: u64) -> MemoryRegionAddress

Creates an address from a raw address value.
§

fn raw_value(&self) -> u64

Returns the raw value of the address.
§

fn checked_offset_from(&self, base: MemoryRegionAddress) -> Option<u64>

Computes the offset from this address to the given base address. Read more
§

fn checked_add(&self, other: u64) -> Option<MemoryRegionAddress>

Computes self + other, returning None if overflow occurred.
§

fn overflowing_add(&self, other: u64) -> (MemoryRegionAddress, bool)

Computes self + other. Read more
§

fn unchecked_add(&self, offset: u64) -> MemoryRegionAddress

Computes self + offset. Read more
§

fn checked_sub(&self, other: u64) -> Option<MemoryRegionAddress>

Subtracts two addresses, checking for underflow. If underflow happens, None is returned.
§

fn overflowing_sub(&self, other: u64) -> (MemoryRegionAddress, bool)

Computes self - other. Read more
§

fn unchecked_sub(&self, other: u64) -> MemoryRegionAddress

Computes self - other. Read more
§

fn mask(&self, mask: Self::V) -> Self::V

Returns the bitwise and of the address with the given mask.
§

fn unchecked_offset_from(&self, base: Self) -> Self::V

Computes the offset from this address to the given base address. Read more
§

fn checked_align_up(&self, power_of_two: Self::V) -> Option<Self>

Returns self, aligned to the given power of two.
§

fn unchecked_align_up(&self, power_of_two: Self::V) -> Self

Returns self, aligned to the given power of two. Only use this when the result is guaranteed not to overflow.
§

impl AddressValue for MemoryRegionAddress

§

type V = u64

Type of the raw address value.
§

fn zero() -> Self::V

Return the value zero, coerced into the value type Self::V
§

fn one() -> Self::V

Return the value zero, coerced into the value type Self::V
§

impl BitAnd<u64> for MemoryRegionAddress

§

type Output = MemoryRegionAddress

The resulting type after applying the & operator.
§

fn bitand(self, other: u64) -> MemoryRegionAddress

Performs the & operation. Read more
§

impl BitOr<u64> for MemoryRegionAddress

§

type Output = MemoryRegionAddress

The resulting type after applying the | operator.
§

fn bitor(self, other: u64) -> MemoryRegionAddress

Performs the | operation. Read more
§

impl Clone for MemoryRegionAddress

§

fn clone(&self) -> MemoryRegionAddress

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
§

impl Debug for MemoryRegionAddress

§

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
§

impl Default for MemoryRegionAddress

§

fn default() -> MemoryRegionAddress

Returns the “default value” for a type. Read more
§

impl Ord for MemoryRegionAddress

§

fn cmp(&self, other: &MemoryRegionAddress) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 · Source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 · Source§

fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
1.50.0 · Source§

fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
§

impl PartialEq for MemoryRegionAddress

§

fn eq(&self, other: &MemoryRegionAddress) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
§

impl PartialOrd for MemoryRegionAddress

§

fn partial_cmp(&self, other: &MemoryRegionAddress) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
1.0.0 · Source§

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
1.0.0 · Source§

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
1.0.0 · Source§

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 · Source§

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
§

impl Copy for MemoryRegionAddress

§

impl Eq for MemoryRegionAddress

§

impl StructuralPartialEq for MemoryRegionAddress

Auto Trait Implementations§

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> AsAny for T
where T: Any,

Source§

fn as_any(&self) -> &(dyn Any + 'static)

Return the immutable any encapsulated object.
Source§

fn as_mut_any(&mut self) -> &mut (dyn Any + 'static)

Return the mutable encapsulated any object.
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

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

Mutably borrows from an owned value. Read more
§

impl<R> Bytes<MemoryRegionAddress> for R
where R: GuestMemoryRegionBytes,

§

fn write(&self, buf: &[u8], addr: MemoryRegionAddress) -> Result<usize, Error>

§Examples
  • Write a slice at guest address 0x1200.
let res = gm
    .write(&[1, 2, 3, 4, 5], GuestAddress(0x1200))
    .expect("Could not write to guest memory");
assert_eq!(5, res);
§

fn read( &self, buf: &mut [u8], addr: MemoryRegionAddress, ) -> Result<usize, Error>

§Examples
  • Read a slice of length 16 at guestaddress 0x1200.
let buf = &mut [0u8; 16];
let res = gm
    .read(buf, GuestAddress(0x1200))
    .expect("Could not read from guest memory");
assert_eq!(16, res);
§

type E = Error

Associated error codes
§

fn write_slice( &self, buf: &[u8], addr: MemoryRegionAddress, ) -> Result<(), Error>

Writes the entire content of a slice into the container at addr. Read more
§

fn read_slice( &self, buf: &mut [u8], addr: MemoryRegionAddress, ) -> Result<(), Error>

Reads data from the container at addr to fill an entire slice. Read more
§

fn read_volatile_from<F>( &self, addr: MemoryRegionAddress, src: &mut F, count: usize, ) -> Result<usize, Error>
where F: ReadVolatile,

Reads up to count bytes from src and writes them into the container at addr. Unlike VolatileRead::read_volatile, this function retries on EINTR being returned from the underlying I/O read operation. Read more
§

fn read_exact_volatile_from<F>( &self, addr: MemoryRegionAddress, src: &mut F, count: usize, ) -> Result<(), Error>
where F: ReadVolatile,

Reads exactly count bytes from an object and writes them into the container at addr. Read more
§

fn write_volatile_to<F>( &self, addr: MemoryRegionAddress, dst: &mut F, count: usize, ) -> Result<usize, Error>
where F: WriteVolatile,

Reads up to count bytes from the container at addr and writes them into dst. Unlike VolatileWrite::write_volatile, this function retries on EINTR being returned by the underlying I/O write operation. Read more
§

fn write_all_volatile_to<F>( &self, addr: MemoryRegionAddress, dst: &mut F, count: usize, ) -> Result<(), Error>
where F: WriteVolatile,

Reads exactly count bytes from the container at addr and writes them into an object. Read more
§

fn store<T>( &self, val: T, addr: MemoryRegionAddress, order: Ordering, ) -> Result<(), Error>
where T: AtomicAccess,

Atomically store a value at the specified address.
§

fn load<T>( &self, addr: MemoryRegionAddress, order: Ordering, ) -> Result<T, Error>
where T: AtomicAccess,

Atomically load a value from the specified address.
§

fn write_obj<T>(&self, val: T, addr: A) -> Result<(), Self::E>
where T: ByteValued,

Writes an object into the container at addr. Read more
§

fn read_obj<T>(&self, addr: A) -> Result<T, Self::E>
where T: ByteValued,

Reads an object from the container at addr. Read more
Source§

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

Source§

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
§

impl<T> Conv for T

§

fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
§

impl<T> FmtForward for T

§

fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
§

fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
§

fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
§

fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
§

fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
§

fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
§

fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
§

fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
§

fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

Source§

fn into(self) -> U

Calls U::from(self).

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

§

impl<T> Pipe for T
where T: ?Sized,

§

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
where Self: Sized,

Pipes by value. This is generally the method you want to use. Read more
§

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more
§

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R
where R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more
§

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more
§

fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R, ) -> R
where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more
§

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.
§

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.
§

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.
§

fn pipe_deref_mut<'a, T, R>( &'a mut self, func: impl FnOnce(&'a mut T) -> R, ) -> R
where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.
§

impl<T> Tap for T

§

fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more
§

fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more
§

fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Immutable access to the Borrow<B> of a value. Read more
§

fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Mutable access to the BorrowMut<B> of a value. Read more
§

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more
§

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more
§

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Immutable access to the Deref::Target of a value. Read more
§

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more
§

fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.
§

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.
§

fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.
§

fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
§

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.
§

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
§

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
§

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
Source§

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

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
§

impl<T> TryConv for T

§

fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

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

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

§

fn vzip(self) -> V