Function report |
Source Code:arch\x86\kernel\apic\io_apic.c |
Create Date:2022-07-28 08:29:46 |
Last Modify:2020-03-16 21:24:45 | Copyright©Brick |
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Name:alloc_irq_from_domain
Proto:static int alloc_irq_from_domain(struct irq_domain *domain, int ioapic, unsigned int gsi, struct irq_alloc_info *info)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct irq_domain * | domain | |
int | ioapic | |
unsigned int | gsi | |
struct irq_alloc_info * | info |
962 | bool legacy = false |
963 | irq = -1 |
967 | Case type == IOAPIC_DOMAIN_LEGACY |
972 | If Not ioapic_initialized || gsi >= nr_legacy_irqs() Then irq = gsi |
974 | legacy = mp_is_legacy_irq(irq) |
975 | Break |
976 | Case type == IOAPIC_DOMAIN_STRICT |
979 | Case type == IOAPIC_DOMAIN_DYNAMIC |
980 | Break |
981 | Default |
986 | Return __irq_domain_alloc_irqs(domain, irq, 1, ioapic_alloc_attr_node(info), info, legacy, NULL) |
Name | Describe |
---|---|
mp_map_pin_to_irq |
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