aaffcfd1e8
Implement paravirtual apic hooks to enable PV IPIs for KVM if the "send IPI" hypercall is available. The hypercall lets a guest send IPIs, with at most 128 destinations per hypercall in 64-bit mode and 64 vCPUs per hypercall in 32-bit mode. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Wanpeng Li <wanpengli@tencent.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
38 lines
952 B
C
38 lines
952 B
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI__LINUX_KVM_PARA_H
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#define _UAPI__LINUX_KVM_PARA_H
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/*
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* This header file provides a method for making a hypercall to the host
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* Architectures should define:
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* - kvm_hypercall0, kvm_hypercall1...
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* - kvm_arch_para_features
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* - kvm_para_available
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*/
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/* Return values for hypercalls */
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#define KVM_ENOSYS 1000
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#define KVM_EFAULT EFAULT
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#define KVM_EINVAL EINVAL
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#define KVM_E2BIG E2BIG
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#define KVM_EPERM EPERM
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#define KVM_EOPNOTSUPP 95
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#define KVM_HC_VAPIC_POLL_IRQ 1
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#define KVM_HC_MMU_OP 2
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#define KVM_HC_FEATURES 3
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#define KVM_HC_PPC_MAP_MAGIC_PAGE 4
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#define KVM_HC_KICK_CPU 5
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#define KVM_HC_MIPS_GET_CLOCK_FREQ 6
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#define KVM_HC_MIPS_EXIT_VM 7
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#define KVM_HC_MIPS_CONSOLE_OUTPUT 8
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#define KVM_HC_CLOCK_PAIRING 9
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#define KVM_HC_SEND_IPI 10
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/*
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* hypercalls use architecture specific
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*/
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#include <asm/kvm_para.h>
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#endif /* _UAPI__LINUX_KVM_PARA_H */
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