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authorSuravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>2016-05-04 14:09:43 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2016-05-18 18:04:27 +0200
commitd1ed092f77ef562edcc1b45ae331ff1683f50295 (patch)
tree36f5a232c6293e40e26694ed3ea30b77467f34a8 /arch
parent03543133cea646406307870823343912c1ef0a3a (diff)
downloadlinux-d1ed092f77ef562edcc1b45ae331ff1683f50295.tar.bz2
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: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/kvm_host.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index d644226737ee..2df5db6fb58b 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -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 */