posted_intr.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __KVM_X86_VMX_POSTED_INTR_H
 3#define __KVM_X86_VMX_POSTED_INTR_H
 4
 5#include <linux/bitmap.h>
 6#include <linux/find.h>
 7#include <linux/kvm_host.h>
 8
 9#include <asm/posted_intr.h>
10
11void vmx_vcpu_pi_load(struct kvm_vcpu *vcpu, int cpu);
12void vmx_vcpu_pi_put(struct kvm_vcpu *vcpu);
13void pi_wakeup_handler(void);
14void __init pi_init_cpu(int cpu);
15void pi_apicv_pre_state_restore(struct kvm_vcpu *vcpu);
16bool pi_has_pending_interrupt(struct kvm_vcpu *vcpu);
17int vmx_pi_update_irte(struct kvm_kernel_irqfd *irqfd, struct kvm *kvm,
18		       unsigned int host_irq, uint32_t guest_irq,
19		       struct kvm_vcpu *vcpu, u32 vector);
20void vmx_pi_start_bypass(struct kvm *kvm);
21
22static inline int pi_find_highest_vector(struct pi_desc *pi_desc)
23{
24	int vec;
25
26	vec = find_last_bit(pi_desc->pir, 256);
27	return vec < 256 ? vec : -1;
28}
29
30#endif /* __KVM_X86_VMX_POSTED_INTR_H */