Struct IOAddr

#[repr(transparent)]
pub struct IOAddr(pub u64);

A wrapper for an IO address (IOVA / DMA Address for devices)

Tuple Fields

0: u64

Implementations

impl IOAddr

pub fn as_u64(self) -> u64

Convert to u64

pub fn as_usize(self) -> usize

Convert to usize

pub const fn zero() -> Self

IO Address zero.

pub fn is_zero(self) -> bool

Is zero?

pub fn split(&self) -> (u32, u32)

Split IOAddr into lower and higher 32-bits.

pub fn base_page_offset(self) -> u64

Offset within the 4 KiB page.

pub fn large_page_offset(self) -> u64

Offset within the 2 MiB page.

pub fn huge_page_offset(self) -> u64

Offset within the 1 GiB page.

pub fn align_down_to_base_page(self) -> Self

Return address of nearest 4 KiB page (lower or equal than self).

pub fn align_down_to_large_page(self) -> Self

Return address of nearest 2 MiB page (lower or equal than self).

pub fn align_down_to_huge_page(self) -> Self

Return address of nearest 1 GiB page (lower or equal than self).

pub fn align_up_to_base_page(self) -> Self

Return address of nearest 4 KiB page (higher or equal than self).

pub fn align_up_to_large_page(self) -> Self

Return address of nearest 2 MiB page (higher or equal than self).

pub fn align_up_to_huge_page(self) -> Self

Return address of nearest 1 GiB page (higher or equal than self).

pub fn is_base_page_aligned(self) -> bool

Is this address aligned to a 4 KiB page?

pub fn is_large_page_aligned(self) -> bool

Is this address aligned to a 2 MiB page?

pub fn is_huge_page_aligned(self) -> bool

Is this address aligned to a 1 GiB page?

pub fn is_aligned<U>(self, align: U) -> bool

where U: Into<u64> + Copy,

Is this address aligned to align?

Note

align must be a power of two.

Trait Implementations

impl Add<u64> for IOAddr

type Output = IOAddr

The resulting type after applying the + operator.

fn add(self, rhs: u64) -> Self::Output

Performs the + operation.

impl Add<usize> for IOAddr

type Output = IOAddr

The resulting type after applying the + operator.

fn add(self, rhs: usize) -> Self::Output

Performs the + operation.

impl Add for IOAddr

type Output = IOAddr

The resulting type after applying the + operator.

fn add(self, rhs: IOAddr) -> Self::Output

Performs the + operation.

impl AddAssign<u64> for IOAddr

fn add_assign(&mut self, offset: u64)

Performs the += operation.

impl AddAssign for IOAddr

fn add_assign(&mut self, other: IOAddr)

Performs the += operation.

impl Binary for IOAddr

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

Formats the value using the given formatter.

impl BitAnd<u64> for IOAddr

type Output = u64

The resulting type after applying the & operator.

fn bitand(self, rhs: u64) -> Self::Output

Performs the & operation.

impl BitAnd for IOAddr

type Output = IOAddr

The resulting type after applying the & operator.

fn bitand(self, rhs: Self) -> Self

Performs the & operation.

impl BitOr<u64> for IOAddr

type Output = u64

The resulting type after applying the | operator.

fn bitor(self, rhs: u64) -> Self::Output

Performs the | operation.

impl BitOr for IOAddr

type Output = IOAddr

The resulting type after applying the | operator.

fn bitor(self, rhs: IOAddr) -> Self::Output

Performs the | operation.

impl Clone for IOAddr

fn clone(&self) -> IOAddr

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for IOAddr

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

Formats the value using the given formatter.

impl Display for IOAddr

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

Formats the value using the given formatter.

impl From<i32> for IOAddr

fn from(num: i32) -> Self

Converts to this type from the input type.

impl From<u64> for IOAddr

fn from(num: u64) -> Self

Converts to this type from the input type.

impl From<usize> for IOAddr

fn from(num: usize) -> Self

Converts to this type from the input type.

impl Hash for IOAddr

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Into<u64> for IOAddr

fn into(self) -> u64

Converts this type into the (usually inferred) input type.

impl Into<usize> for IOAddr

fn into(self) -> usize

Converts this type into the (usually inferred) input type.

impl LowerHex for IOAddr

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

Formats the value using the given formatter.

impl Octal for IOAddr

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

Formats the value using the given formatter.

impl Ord for IOAddr

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

This method returns an Ordering between self and other.

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

where Self: Sized,

Compares and returns the maximum of two values.

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

where Self: Sized,

Compares and returns the minimum of two values.

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

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for IOAddr

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

Tests for self and other values to be equal, and is used by ==.

const 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 IOAddr

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

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

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

impl Pointer for IOAddr

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

Formats the value using the given formatter.

impl Rem<u64> for IOAddr

type Output = u64

The resulting type after applying the % operator.

fn rem(self, rhs: u64) -> Self::Output

Performs the % operation.

impl Rem<usize> for IOAddr

type Output = u64

The resulting type after applying the % operator.

fn rem(self, rhs: usize) -> Self::Output

Performs the % operation.

impl Rem for IOAddr

type Output = IOAddr

The resulting type after applying the % operator.

fn rem(self, rhs: IOAddr) -> Self::Output

Performs the % operation.

impl Shr<u64> for IOAddr

type Output = u64

The resulting type after applying the >> operator.

fn shr(self, rhs: u64) -> Self::Output

Performs the >> operation.

impl Sub<u64> for IOAddr

type Output = IOAddr

The resulting type after applying the - operator.

fn sub(self, rhs: u64) -> Self::Output

Performs the - operation.

impl Sub<usize> for IOAddr

type Output = IOAddr

The resulting type after applying the - operator.

fn sub(self, rhs: usize) -> Self::Output

Performs the - operation.

impl Sub for IOAddr

type Output = IOAddr

The resulting type after applying the - operator.

fn sub(self, rhs: IOAddr) -> Self::Output

Performs the - operation.

impl UpperHex for IOAddr

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

Formats the value using the given formatter.

impl Copy for IOAddr

impl Eq for IOAddr

impl StructuralPartialEq for IOAddr