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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - arch/x86/kvm/x86.h
2ab679102dcd04b74398c456bbcfbbb8a63958b1
1 #ifndef ARCH_X86_KVM_X86_H
2 #define ARCH_X86_KVM_X86_H
4 #include <linux/kvm_host.h>
6 static inline void kvm_clear_exception_queue(struct kvm_vcpu
*vcpu
)
8 vcpu
->arch
.exception
.pending
= false;
11 static inline void kvm_queue_interrupt(struct kvm_vcpu
*vcpu
, u8 vector
)
13 vcpu
->arch
.interrupt
.pending
= true;
14 vcpu
->arch
.interrupt
.nr
= vector
;
17 static inline void kvm_clear_interrupt_queue(struct kvm_vcpu
*vcpu
)
19 vcpu
->arch
.interrupt
.pending
= false;
22 static inline u8
kvm_pop_irq(struct kvm_vcpu
*vcpu
)
24 int word_index
= __ffs(vcpu
->arch
.irq_summary
);
25 int bit_index
= __ffs(vcpu
->arch
.irq_pending
[word_index
]);
26 int irq
= word_index
* BITS_PER_LONG
+ bit_index
;
28 clear_bit(bit_index
, &vcpu
->arch
.irq_pending
[word_index
]);
29 if (!vcpu
->arch
.irq_pending
[word_index
])
30 clear_bit(word_index
, &vcpu
->arch
.irq_summary
);
34 static inline void kvm_push_irq(struct kvm_vcpu
*vcpu
, u8 irq
)
36 set_bit(irq
, vcpu
->arch
.irq_pending
);
37 set_bit(irq
/ BITS_PER_LONG
, &vcpu
->arch
.irq_summary
);