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101 lines
2.6 KiB
101 lines
2.6 KiB
#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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#define KVM_FEATURE_STEAL_TIME 5 |
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#define KVM_FEATURE_PV_EOI 6 |
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#define KVM_FEATURE_PV_UNHALT 7 |
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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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#define KVM_MSR_ENABLED 1 |
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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 MSR_KVM_STEAL_TIME 0x4b564d03 |
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#define MSR_KVM_PV_EOI_EN 0x4b564d04 |
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struct kvm_steal_time { |
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__u64 steal; |
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__u32 version; |
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__u32 flags; |
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__u32 pad[12]; |
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}; |
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#define KVM_STEAL_ALIGNMENT_BITS 5 |
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#define KVM_STEAL_VALID_BITS ((-1ULL << (KVM_STEAL_ALIGNMENT_BITS + 1))) |
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#define KVM_STEAL_RESERVED_MASK (((1 << KVM_STEAL_ALIGNMENT_BITS) - 1 ) << 1) |
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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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#define KVM_PV_EOI_BIT 0 |
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#define KVM_PV_EOI_MASK (0x1 << KVM_PV_EOI_BIT) |
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#define KVM_PV_EOI_ENABLED KVM_PV_EOI_MASK |
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#define KVM_PV_EOI_DISABLED 0x0 |
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#endif /* _ASM_X86_KVM_PARA_H */
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