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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>
This commit is contained in:
Suravee Suthikulpanit 2016-05-04 14:09:43 -05:00 committed by Paolo Bonzini
parent 03543133ce
commit d1ed092f77
1 changed files with 16 additions and 2 deletions
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18
arch/x86/include/asm/kvm_host.h
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@ -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 */