Trait AddressSpaceTy

pub trait AddressSpaceTy: Sealed {
    type PageTable<'a>;

    // Required methods
    fn get_page_table(&self) -> Self::PageTable<'_>;
    fn translate_page(
        table: &mut Self::PageTable<'_>,
        page: Page,
    ) -> Option<Frame>;
    fn map_page(
        table: &mut Self::PageTable<'_>,
        page: Page,
        frame: Frame,
        reason: u16,
        protection: Protection,
    ) -> Result<(), MapPageError>;
    fn unmap_page(table: &mut Self::PageTable<'_>, page: Page) -> Result<(), ()>;
    fn allocate_contiguous(&self, len: usize) -> Result<Page, AllocError>;
    fn allocate_contiguous_at(
        &self,
        at: Page,
        len: usize,
    ) -> Result<Page, AllocError>;
    fn deallocate_contiguous(&self, base: Page, len: usize);
}

🔬This is a nightly-only experimental API. (kernel_mmap_config #24)

Required Associated Types

type PageTable<'a>

🔬This is a nightly-only experimental API. (kernel_mmap_config #24)

Required Methods

fn get_page_table(&self) -> Self::PageTable<'_>

🔬This is a nightly-only experimental API. (kernel_mmap_config #24)

fn translate_page(table: &mut Self::PageTable<'_>, page: Page) -> Option<Frame>

🔬This is a nightly-only experimental API. (kernel_mmap_config #24)

fn map_page( table: &mut Self::PageTable<'_>, page: Page, frame: Frame, reason: u16, protection: Protection, ) -> Result<(), MapPageError>

🔬This is a nightly-only experimental API. (kernel_mmap_config #24)

fn unmap_page(table: &mut Self::PageTable<'_>, page: Page) -> Result<(), ()>

🔬This is a nightly-only experimental API. (kernel_mmap_config #24)

fn allocate_contiguous(&self, len: usize) -> Result<Page, AllocError>

🔬This is a nightly-only experimental API. (kernel_mmap_config #24)

fn allocate_contiguous_at( &self, at: Page, len: usize, ) -> Result<Page, AllocError>

🔬This is a nightly-only experimental API. (kernel_mmap_config #24)

fn deallocate_contiguous(&self, base: Page, len: usize)

🔬This is a nightly-only experimental API. (kernel_mmap_config #24)

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl AddressSpaceTy for Kernel

type PageTable<'a> = impl DerefMut

impl AddressSpaceTy for Userspace

type PageTable<'a> = Option<AddressSpace>