函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\io_apic.c Create Date:2022-07-27 09:29:24
Last Modify:2020-03-16 21:24:45 Copyright©Brick
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函数名称：mp_map_gsi_to_irq

函数原型：int mp_map_gsi_to_irq(unsigned int gsi, unsigned int flags, struct irq_alloc_info *info)

返回类型：int

参数：

类型参数名称
unsigned intgsi
unsigned intflags
struct irq_alloc_info *info
1114  ioapic等于mp_find_ioapic(gsi)
1115  如果ioapic小于0则返回:负ENODEV
1118  pin等于mp_find_ioapic_pin(ioapic, gsi)
1119  idx等于Find the IRQ entry number of a certain pin.
1120  如果flags按位与IOAPIC_MAP_CHECK且idx小于0则返回:负ENODEV
1123  返回:mp_map_pin_to_irq(gsi, idx, ioapic, pin, flags, info)
调用者
名称描述
mp_unregister_ioapic