pub struct IoApic { /* private fields */ }
Implementations§
source§impl IoApic
impl IoApic
sourcepub fn try_new<A>(
base_paddr: PAddr,
pagectrl: &mut impl Map<Size4Kb, A>,
frame_alloc: &A
) -> Result<IoApic, FeatureNotSupported>
pub fn try_new<A>( base_paddr: PAddr, pagectrl: &mut impl Map<Size4Kb, A>, frame_alloc: &A ) -> Result<IoApic, FeatureNotSupported>
Try to construct an IoApic
.
Arguments
base_addr
: ThePAddr
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.
pub fn new<A>( addr: PAddr, pagectrl: &mut impl Map<Size4Kb, A>, frame_alloc: &A ) -> IoApic
sourcepub fn map_isa_irqs(&mut self, base: u8)
pub fn map_isa_irqs(&mut self, base: u8)
Map all ISA interrupts starting at base
.
sourcepub fn max_entries(&mut self) -> u8
pub fn max_entries(&mut self) -> u8
Returns the maximum number of redirection entries.
pub fn entry(&mut self, irq: u8) -> RedirectionEntry
pub fn set_entry(&mut self, irq: u8, entry: RedirectionEntry)
sourcepub fn set_masked(&mut self, irq: u8, masked: bool)
pub fn set_masked(&mut self, irq: u8, masked: bool)
Convenience function to mask/unmask an IRQ.
pub fn update_entry( &mut self, irq: u8, update: impl FnOnce(RedirectionEntry) -> RedirectionEntry )
Trait Implementations§
Auto Trait Implementations§
impl RefUnwindSafe for IoApic
impl Send for IoApic
impl Sync for IoApic
impl Unpin for IoApic
impl !UnwindSafe for IoApic
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