arch/x86/kvm/vmx/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/find.h>
   6 #include <asm/posted_intr.h>
   7
   8 void vmx_vcpu_pi_load(struct kvm_vcpu *vcpu, int cpu);
   9 void vmx_vcpu_pi_put(struct kvm_vcpu *vcpu);
  10 void pi_wakeup_handler(void);
  11 void __init pi_init_cpu(int cpu);
  12 bool pi_has_pending_interrupt(struct kvm_vcpu *vcpu);
  13 int vmx_pi_update_irte(struct kvm *kvm, unsigned int host_irq,
  14                        uint32_t guest_irq, bool set);
  15 void vmx_pi_start_assignment(struct kvm *kvm);
  16
  17 static inline int pi_find_highest_vector(struct pi_desc *pi_desc)
  18 {
  19         int vec;
  20
  21         vec = find_last_bit((unsigned long *)pi_desc->pir, 256);
  22         return vec < 256 ? vec : -1;
  23 }
  24
  25 #endif /* __KVM_X86_VMX_POSTED_INTR_H */