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139 lines
3.7 KiB
139 lines
3.7 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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#ifndef _UAPI_ASM_X86_KVM_PARA_H |
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#define _UAPI_ASM_X86_KVM_PARA_H |
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#include <linux/types.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 two feature bitmaps in eax, edx. Before enabling |
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* a particular paravirtualization, the appropriate feature bit should |
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* be checked in eax. The performance hint feature bit should be checked |
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* in edx. |
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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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#define KVM_FEATURE_PV_TLB_FLUSH 9 |
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#define KVM_FEATURE_ASYNC_PF_VMEXIT 10 |
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#define KVM_FEATURE_PV_SEND_IPI 11 |
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#define KVM_FEATURE_POLL_CONTROL 12 |
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#define KVM_FEATURE_PV_SCHED_YIELD 13 |
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#define KVM_FEATURE_ASYNC_PF_INT 14 |
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#define KVM_FEATURE_MSI_EXT_DEST_ID 15 |
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#define KVM_HINTS_REALTIME 0 |
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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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#define MSR_KVM_POLL_CONTROL 0x4b564d05 |
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#define MSR_KVM_ASYNC_PF_INT 0x4b564d06 |
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#define MSR_KVM_ASYNC_PF_ACK 0x4b564d07 |
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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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__u8 preempted; |
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__u8 u8_pad[3]; |
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__u32 pad[11]; |
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}; |
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#define KVM_VCPU_PREEMPTED (1 << 0) |
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#define KVM_VCPU_FLUSH_TLB (1 << 1) |
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#define KVM_CLOCK_PAIRING_WALLCLOCK 0 |
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struct kvm_clock_pairing { |
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__s64 sec; |
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__s64 nsec; |
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__u64 tsc; |
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__u32 flags; |
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__u32 pad[9]; |
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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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#define KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT (1 << 2) |
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#define KVM_ASYNC_PF_DELIVERY_AS_INT (1 << 3) |
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/* MSR_KVM_ASYNC_PF_INT */ |
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#define KVM_ASYNC_PF_VEC_MASK GENMASK(7, 0) |
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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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/* Used for 'page not present' events delivered via #PF */ |
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__u32 flags; |
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/* Used for 'page ready' events delivered via interrupt notification */ |
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__u32 token; |
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__u8 pad[56]; |
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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 /* _UAPI_ASM_X86_KVM_PARA_H */
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