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hv: revise interfaces description in vioapic

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Add comments for APIs:
 - vioapic_set_irq();
 - vioapic_set_irq_nolock();

Tracked-On: #1595
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
This commit is contained in:
Yonghua Huang
2018-10-31 02:13:07 +08:00
committed by David Kinder
parent 7c20cb0cbe
commit f23606a4c3
2 changed files with 65 additions and 11 deletions
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31
hypervisor/dm/vioapic.c
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@@ -112,13 +112,18 @@ vioapic_set_pinstate(struct acrn_vioapic *vioapic, uint16_t pin, uint32_t level)
}
/**
* @brief Set vIOAPIC IRQ line status.
*
* Similar with vioapic_set_irq(),but would not make sure
* operation be done with ioapic lock.
*
* @param[in] vm Pointer to target VM
* @param[in] irq Target IRQ number
* @param[in] operation Action options: GSI_SET_HIGH/GSI_SET_LOW/
* GSI_RAISING_PULSE/GSI_FALLING_PULSE
*
* @pre irq < vioapic_pincount(vm)
* @pre operation value shall be one of the folllowing values:
* GSI_SET_HIGH
* GSI_SET_LOW
* GSI_RAISING_PULSE
* GSI_FALLING_PULSE
* @pre call with vioapic lock
* @return void
*/
void
vioapic_set_irq_nolock(struct vm *vm, uint32_t irq, uint32_t operation)
@@ -152,12 +157,16 @@ vioapic_set_irq_nolock(struct vm *vm, uint32_t irq, uint32_t operation)
}
/**
* @brief Set vIOAPIC IRQ line status.
*
* @param[in] vm Pointer to target VM
* @param[in] irq Target IRQ number
* @param[in] operation Action options: GSI_SET_HIGH/GSI_SET_LOW/
* GSI_RAISING_PULSE/GSI_FALLING_PULSE
*
* @pre irq < vioapic_pincount(vm)
* @pre operation value shall be one of the folllowing values:
* GSI_SET_HIGH
* GSI_SET_LOW
* GSI_RAISING_PULSE
* GSI_FALLING_PULSE
*
* @return void
*/
void
vioapic_set_irq(struct vm *vm, uint32_t irq, uint32_t operation)