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Commit 7c6a98df authored by Marcelo Tosatti's avatar Marcelo Tosatti Committed by Paolo Bonzini
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KVM: x86: add method to test PIR bitmap vector 



kvm_x86_ops->test_posted_interrupt() returns true/false depending
whether 'vector' is set.

Next patch makes use of this interface.

Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent b4eef9b3

arch/x86/include/asm/kvm_host.h

+1 −0
Original line number Diff line number Diff line
@@ -753,6 +753,7 @@ struct kvm_x86_ops { 
	void (*set_virtual_x2apic_mode)(struct kvm_vcpu *vcpu, bool set);

	void (*set_apic_access_page_addr)(struct kvm_vcpu *vcpu, hpa_t hpa);

	void (*deliver_posted_interrupt)(struct kvm_vcpu *vcpu, int vector);

	bool (*test_posted_interrupt)(struct kvm_vcpu *vcpu, int vector);

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

	int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);

	int (*get_tdp_level)(void);

arch/x86/kvm/vmx.c

+14 −0
Original line number Diff line number Diff line
@@ -435,6 +435,11 @@ static int pi_test_and_set_pir(int vector, struct pi_desc *pi_desc) 
	return test_and_set_bit(vector, (unsigned long *)pi_desc->pir);

}



static int pi_test_pir(int vector, struct pi_desc *pi_desc)

{

	return test_bit(vector, (unsigned long *)pi_desc->pir);

}



struct vcpu_vmx {

	struct kvm_vcpu       vcpu;

	unsigned long         host_rsp;
@@ -5897,6 +5902,7 @@ static __init int hardware_setup(void) 
		kvm_x86_ops->hwapic_irr_update = NULL;

		kvm_x86_ops->hwapic_isr_update = NULL;

		kvm_x86_ops->deliver_posted_interrupt = NULL;

		kvm_x86_ops->test_posted_interrupt = NULL;

		kvm_x86_ops->sync_pir_to_irr = vmx_sync_pir_to_irr_dummy;

	}
@@ -6968,6 +6974,13 @@ static int handle_invvpid(struct kvm_vcpu *vcpu) 
	return 1;

}



static bool vmx_test_pir(struct kvm_vcpu *vcpu, int vector)

{

	struct vcpu_vmx *vmx = to_vmx(vcpu);



	return pi_test_pir(vector, &vmx->pi_desc);

}



/*

 * The exit handlers return 1 if the exit was handled fully and guest execution

 * may resume.  Otherwise they set the kvm_run parameter to indicate what needs
@@ -9562,6 +9575,7 @@ static struct kvm_x86_ops vmx_x86_ops = { 
	.hwapic_isr_update = vmx_hwapic_isr_update,

	.sync_pir_to_irr = vmx_sync_pir_to_irr,

	.deliver_posted_interrupt = vmx_deliver_posted_interrupt,

	.test_posted_interrupt = vmx_test_pir,



	.set_tss_addr = vmx_set_tss_addr,

	.get_tdp_level = get_ept_level,