Function report |
Source Code:kernel\irq\irqdomain.c |
Create Date:2022-07-28 10:14:10 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:q_domain_get_irq_data - Get irq_data associated with @virq and @domain*@domain: domain to match*@virq: IRQ number to get irq_data
Proto:struct irq_data *irq_domain_get_irq_data(struct irq_domain *domain, unsigned int virq)
Type:struct irq_data
Parameter:
Type | Parameter | Name |
---|---|---|
struct irq_domain * | domain | |
unsigned int | virq |
1705 | irq_data = irq_get_irq_data(virq) |
Name | Describe |
---|---|
x86_vector_free_irqs | |
x86_vector_alloc_irqs | |
alloc_isa_irq_from_domain | Need special handling for ISA IRQs because there may be multiple IOAPIC pins* sharing the same ISA IRQ number and irqdomain only supports 1:1 mapping* between IOAPIC pin and IRQ number. A typical IOAPIC has 24 pins, pin 0-15 are |
mp_irqdomain_alloc | |
mp_irqdomain_free | |
irq_map_generic_chip | q_map_generic_chip - Map a generic chip for an irq domain |
irq_unmap_generic_chip | |
irq_find_mapping | q_find_mapping() - Find a linux irq from a hw irq number.*@domain: domain owning this hardware interrupt*@hwirq: hardware irq number in that domain space |
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