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Commit d1ed092f authored by Suravee Suthikulpanit's avatar Suravee Suthikulpanit Committed by Paolo Bonzini
Browse files

KVM: x86: Introducing kvm_x86_ops VCPU blocking/unblocking hooks 



Adding new function pointer in struct kvm_x86_ops, and calling them
from the kvm_arch_vcpu[blocking/unblocking].

Signed-off-by: default avatarSuravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 03543133

arch/x86/include/asm/kvm_host.h

+16 −2
Original line number Diff line number Diff line
@@ -993,6 +993,10 @@ struct kvm_x86_ops { 
	 */

	int (*pre_block)(struct kvm_vcpu *vcpu);

	void (*post_block)(struct kvm_vcpu *vcpu);



	void (*vcpu_blocking)(struct kvm_vcpu *vcpu);

	void (*vcpu_unblocking)(struct kvm_vcpu *vcpu);



	int (*update_pi_irte)(struct kvm *kvm, unsigned int host_irq,

			      uint32_t guest_irq, bool set);

};
@@ -1344,8 +1348,18 @@ bool kvm_intr_is_single_vcpu(struct kvm *kvm, struct kvm_lapic_irq *irq, 
void kvm_set_msi_irq(struct kvm_kernel_irq_routing_entry *e,

		     struct kvm_lapic_irq *irq);



static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}

static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}

static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu)

{

	if (kvm_x86_ops->vcpu_blocking)

		kvm_x86_ops->vcpu_blocking(vcpu);

}



static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu)

{

	if (kvm_x86_ops->vcpu_unblocking)

		kvm_x86_ops->vcpu_unblocking(vcpu);

}



static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {}



#endif /* _ASM_X86_KVM_HOST_H */