pub struct IoApic { /* private fields */ }

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impl IoApic

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pub fn try_new<A>( base_paddr: PAddr, pagectrl: &mut impl Map<Size4Kb, A>, frame_alloc: &A ) -> Result<IoApic, FeatureNotSupported>
where A: Alloc<Size4Kb>,

Try to construct an IoApic.

Arguments
  • base_addr: The PAddr of the I/O APIC’s memory-mapped register page.
  • pagectrl: a page mapper used to ensure that the MMIO register page is mapped and writable.
  • frame_alloc: a frame allocator used to allocate page frame(s) while mapping the MMIO register page.
Returns
  • Some(IoApic) if this CPU supports the APIC interrupt model.
  • None if this CPU does not support APIC interrupt handling.
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pub fn new<A>( addr: PAddr, pagectrl: &mut impl Map<Size4Kb, A>, frame_alloc: &A ) -> IoApic
where A: Alloc<Size4Kb>,

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pub fn map_isa_irqs(&mut self, base: u8)

Map all ISA interrupts starting at base.

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pub fn id(&mut self) -> u8

Returns the IO APIC’s ID.

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pub fn version(&mut self) -> u8

Returns the IO APIC’s version.

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pub fn max_entries(&mut self) -> u8

Returns the maximum number of redirection entries.

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pub fn entry(&mut self, irq: u8) -> RedirectionEntry

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pub fn set_entry(&mut self, irq: u8, entry: RedirectionEntry)

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pub fn set_masked(&mut self, irq: u8, masked: bool)

Convenience function to mask/unmask an IRQ.

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pub fn update_entry( &mut self, irq: u8, update: impl FnOnce(RedirectionEntry) -> RedirectionEntry )

Trait Implementations§

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impl Debug for IoApic

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl RefUnwindSafe for IoApic

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impl Send for IoApic

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impl Sync for IoApic

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impl Unpin for IoApic

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impl !UnwindSafe for IoApic

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