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These kernel headers and the COPYING file were automatically imported from current Linux git, cb0a02ecf9 (post 3.0-rc2). Licensing: asm-powerpc GPLv2 asm-s390 GPLv2 asm-x86 Linux top-level license (GPLv2 with exception) linux/kvm*: Linux top-level license (GPLv2 with exception) linux/vhost: Linux top-level license (GPLv2 with exception) linux/virtio*: 3-clause BSB CC: Alexander Graf <agraf@suse.de> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
#ifndef _ASM_X86_KVM_PARA_H
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#define _ASM_X86_KVM_PARA_H
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#include <linux/types.h>
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#include <asm/hyperv.h>
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/* This CPUID returns the signature 'KVMKVMKVM' in ebx, ecx, and edx. It
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* should be used to determine that a VM is running under KVM.
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*/
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#define KVM_CPUID_SIGNATURE 0x40000000
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/* This CPUID returns a feature bitmap in eax. Before enabling a particular
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* paravirtualization, the appropriate feature bit should be checked.
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*/
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#define KVM_CPUID_FEATURES 0x40000001
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#define KVM_FEATURE_CLOCKSOURCE 0
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#define KVM_FEATURE_NOP_IO_DELAY 1
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#define KVM_FEATURE_MMU_OP 2
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/* This indicates that the new set of kvmclock msrs
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* are available. The use of 0x11 and 0x12 is deprecated
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*/
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#define KVM_FEATURE_CLOCKSOURCE2 3
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#define KVM_FEATURE_ASYNC_PF 4
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/* The last 8 bits are used to indicate how to interpret the flags field
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* in pvclock structure. If no bits are set, all flags are ignored.
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*/
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#define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT 24
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#define MSR_KVM_WALL_CLOCK 0x11
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#define MSR_KVM_SYSTEM_TIME 0x12
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/* Custom MSRs falls in the range 0x4b564d00-0x4b564dff */
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#define MSR_KVM_WALL_CLOCK_NEW 0x4b564d00
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#define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01
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#define MSR_KVM_ASYNC_PF_EN 0x4b564d02
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#define KVM_MAX_MMU_OP_BATCH 32
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#define KVM_ASYNC_PF_ENABLED (1 << 0)
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#define KVM_ASYNC_PF_SEND_ALWAYS (1 << 1)
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/* Operations for KVM_HC_MMU_OP */
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#define KVM_MMU_OP_WRITE_PTE 1
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#define KVM_MMU_OP_FLUSH_TLB 2
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#define KVM_MMU_OP_RELEASE_PT 3
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/* Payload for KVM_HC_MMU_OP */
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struct kvm_mmu_op_header {
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__u32 op;
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__u32 pad;
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};
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struct kvm_mmu_op_write_pte {
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struct kvm_mmu_op_header header;
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__u64 pte_phys;
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__u64 pte_val;
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};
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struct kvm_mmu_op_flush_tlb {
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struct kvm_mmu_op_header header;
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};
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struct kvm_mmu_op_release_pt {
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struct kvm_mmu_op_header header;
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__u64 pt_phys;
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};
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#define KVM_PV_REASON_PAGE_NOT_PRESENT 1
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#define KVM_PV_REASON_PAGE_READY 2
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struct kvm_vcpu_pv_apf_data {
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__u32 reason;
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__u8 pad[60];
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__u32 enabled;
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};
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#endif /* _ASM_X86_KVM_PARA_H */
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