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- #ifndef _ASM_X86_KVM_PARA_H
- #define _ASM_X86_KVM_PARA_H
- #include <linux/types.h>
- #include <asm/hyperv.h>
- /* This CPUID returns the signature 'KVMKVMKVM' in ebx, ecx, and edx. It
- * should be used to determine that a VM is running under KVM.
- */
- #define KVM_CPUID_SIGNATURE 0x40000000
- /* This CPUID returns a feature bitmap in eax. Before enabling a particular
- * paravirtualization, the appropriate feature bit should be checked.
- */
- #define KVM_CPUID_FEATURES 0x40000001
- #define KVM_FEATURE_CLOCKSOURCE 0
- #define KVM_FEATURE_NOP_IO_DELAY 1
- #define KVM_FEATURE_MMU_OP 2
- /* This indicates that the new set of kvmclock msrs
- * are available. The use of 0x11 and 0x12 is deprecated
- */
- #define KVM_FEATURE_CLOCKSOURCE2 3
- #define KVM_FEATURE_STEAL_TIME 5
- #define KVM_FEATURE_PV_EOI 6
- /* The last 8 bits are used to indicate how to interpret the flags field
- * in pvclock structure. If no bits are set, all flags are ignored.
- */
- #define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT 24
- #define MSR_KVM_WALL_CLOCK 0x11
- #define MSR_KVM_SYSTEM_TIME 0x12
- #define KVM_MSR_ENABLED 1
- /* Custom MSRs falls in the range 0x4b564d00-0x4b564dff */
- #define MSR_KVM_WALL_CLOCK_NEW 0x4b564d00
- #define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01
- #define MSR_KVM_STEAL_TIME 0x4b564d03
- #define MSR_KVM_PV_EOI_EN 0x4b564d04
- struct kvm_steal_time {
- __u64 steal;
- __u32 version;
- __u32 flags;
- __u32 pad[12];
- };
- #define KVM_STEAL_ALIGNMENT_BITS 5
- #define KVM_STEAL_VALID_BITS ((-1ULL << (KVM_STEAL_ALIGNMENT_BITS + 1)))
- #define KVM_STEAL_RESERVED_MASK (((1 << KVM_STEAL_ALIGNMENT_BITS) - 1 ) << 1)
- #define KVM_MAX_MMU_OP_BATCH 32
- /* Operations for KVM_HC_MMU_OP */
- #define KVM_MMU_OP_WRITE_PTE 1
- #define KVM_MMU_OP_FLUSH_TLB 2
- #define KVM_MMU_OP_RELEASE_PT 3
- /* Payload for KVM_HC_MMU_OP */
- struct kvm_mmu_op_header {
- __u32 op;
- __u32 pad;
- };
- struct kvm_mmu_op_write_pte {
- struct kvm_mmu_op_header header;
- __u64 pte_phys;
- __u64 pte_val;
- };
- struct kvm_mmu_op_flush_tlb {
- struct kvm_mmu_op_header header;
- };
- struct kvm_mmu_op_release_pt {
- struct kvm_mmu_op_header header;
- __u64 pt_phys;
- };
- #define KVM_PV_EOI_BIT 0
- #define KVM_PV_EOI_MASK (0x1 << KVM_PV_EOI_BIT)
- #define KVM_PV_EOI_ENABLED KVM_PV_EOI_MASK
- #define KVM_PV_EOI_DISABLED 0x0
- #endif /* _ASM_X86_KVM_PARA_H */
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