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hv: add ops to vlapic structure

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This commit adds ops to vlapic structure, and add an *ops parameter to vlapic_reset().
At vlapic reset, the ops is set to the global apicv_ops, and may be assigned
to other ops later.

Tracked-On: #3227
Signed-off-by: Yan, Like <like.yan@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Yan, Like
2019-07-02 16:00:57 +08:00
committed by wenlingz
parent c1b4121e3b
commit 97f6097f04
4 changed files with 31 additions and 23 deletions
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16
hypervisor/include/arch/x86/guest/vlapic.h
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@@ -34,7 +34,6 @@
#include <timer.h>
#include <apicreg.h>
/**
* @file vlapic.h
*
@@ -85,6 +84,8 @@ struct acrn_vlapic {
uint64_t msr_apicbase;
const struct acrn_apicv_ops *ops;
/*
* Copies of some registers in the virtual APIC page. We do this for
* a couple of different reasons:
@@ -95,6 +96,17 @@ struct acrn_vlapic {
uint32_t lvt_last[VLAPIC_MAXLVT_INDEX + 1];
} __aligned(PAGE_SIZE);
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 (*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);
bool (*x2apic_write_msr_may_valid)(uint32_t offset);
};
extern const struct acrn_apicv_ops *apicv_ops;
void vlapic_set_apicv_ops(void);
/**
@@ -182,7 +194,7 @@ void vlapic_free(struct acrn_vcpu *vcpu);
* @pre vlapic->vcpu->vcpu_id < CONFIG_MAX_VCPUS_PER_VM
*/
void vlapic_init(struct acrn_vlapic *vlapic);
void vlapic_reset(struct acrn_vlapic *vlapic);
void vlapic_reset(struct acrn_vlapic *vlapic, const struct acrn_apicv_ops *ops);
void vlapic_restore(struct acrn_vlapic *vlapic, const struct lapic_regs *regs);
uint64_t vlapic_apicv_get_apic_access_addr(void);
uint64_t vlapic_apicv_get_apic_page_addr(struct acrn_vlapic *vlapic);