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hv: revise interfaces description in vpic

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Add comments for APIs:
 - vpic_set_irq()
 - vpic_pending_intr()
 - vpic_intr_accepted()

Tracked-On: #1595
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
This commit is contained in:
Yonghua Huang
2018-10-31 00:57:18 +08:00
committed by David Kinder
parent c41f286085
commit 7c20cb0cbe
2 changed files with 76 additions and 6 deletions
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33
hypervisor/dm/vpic.c
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@@ -439,12 +439,14 @@ static void vpic_set_pinstate(struct acrn_vpic *vpic, uint8_t pin,
}
/**
* @pre irq < NR_VPIC_PINS_TOTAL
* @pre operation value shall be one of the folllowing values:
* GSI_SET_HIGH
* GSI_SET_LOW
* GSI_RAISING_PULSE
* GSI_FALLING_PULSE
* @brief Set vPIC 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
*
* @return void
*/
void vpic_set_irq(struct vm *vm, uint32_t irq, uint32_t operation)
{
@@ -513,6 +515,15 @@ void vpic_get_irq_trigger(struct vm *vm, uint32_t irq,
}
}
/**
* @brief Get pending virtual interrupts for vPIC.
*
* @param[in] vm Pointer to target VM
* @param[inout] vecptr Pointer to vector buffer and will be filled
* with eligible vector if any.
*
* @return void.
*/
void vpic_pending_intr(struct vm *vm, uint32_t *vecptr)
{
struct acrn_vpic *vpic;
@@ -566,6 +577,16 @@ static void vpic_pin_accepted(struct i8259_reg_state *i8259, uint8_t pin)
}
}
/**
* @brief Accept virtual interrupt for vPIC.
*
* @param[in] vm Pointer to target VM
* @param[in] vector Target virtual interrupt vector
*
* @return void
*
* @pre vm != NULL
*/
void vpic_intr_accepted(struct vm *vm, uint32_t vector)
{
struct acrn_vpic *vpic;