Function report |
Source Code:arch\x86\kernel\apic\io_apic.c |
Create Date:2022-07-28 08:29:50 |
Last Modify:2020-03-16 21:24:45 | Copyright©Brick |
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Name:mp_map_pin_to_irq
Proto:static int mp_map_pin_to_irq(unsigned int gsi, int idx, int ioapic, int pin, unsigned int flags, struct irq_alloc_info *info)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
unsigned int | gsi | |
int | idx | |
int | ioapic | |
int | pin | |
unsigned int | flags | |
struct irq_alloc_info * | info |
1038 | bool legacy = false |
1041 | domain = mp_ioapic_irqdomain(ioapic) |
1048 | legacy = mp_is_legacy_irq(irq) |
1051 | mutex_lock( & ioapic_mutex) |
1052 | If Not (flags & IOAPIC_MAP_ALLOC) Then |
1053 | If Not legacy Then |
1058 | Else |
1065 | Else if Not mp_check_pin_attr(irq, & tmp) Then irq = -EBUSY |
1067 | If irq >= 0 Then |
1068 | data = irq_get_chip_data(irq) |
1069 | count++ |
1072 | mutex_unlock( & ioapic_mutex) |
1074 | Return irq |
Name | Describe |
---|---|
pin_2_irq | |
mp_map_gsi_to_irq |
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