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hv: Add vlapic_has_pending_intr of apicv to check pending interrupts

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Sometimes HV wants to know if there are pending interrupts of one vcpu.
Add .has_pending_intr interface in acrn_apicv_ops and return the pending
interrupts status by check IRRs of apicv.

Tracked-On: #4329
Signed-off-by: Shuo A Liu <shuo.a.liu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Shuo A Liu
2019-12-13 16:25:56 +08:00
committed by wenlingz
parent e3c303363b
commit a8f6bdd479
2 changed files with 31 additions and 0 deletions
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2
hypervisor/include/arch/x86/guest/vlapic.h
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@@ -100,6 +100,7 @@ struct acrn_apicv_ops {
void (*accept_intr)(struct acrn_vlapic *vlapic, uint32_t vector, bool level);
bool (*inject_intr)(struct acrn_vlapic *vlapic, bool guest_irq_enabled, bool injected);
bool (*has_pending_delivery_intr)(struct acrn_vcpu *vcpu);
bool (*has_pending_intr)(struct acrn_vcpu *vcpu);
bool (*apic_read_access_may_valid)(uint32_t offset);
bool (*apic_write_access_may_valid)(uint32_t offset);
bool (*x2apic_read_msr_may_valid)(uint32_t offset);
@@ -119,6 +120,7 @@ void vlapic_set_apicv_ops(void);
bool vlapic_inject_intr(struct acrn_vlapic *vlapic, bool guest_irq_enabled, bool injected);
bool vlapic_has_pending_delivery_intr(struct acrn_vcpu *vcpu);
bool vlapic_has_pending_intr(struct acrn_vcpu *vcpu);
/**
* @brief Get physical address to PIR description.