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51b24e34 JK |
1 | #ifndef _ASM_X86_KVM_PARA_H |
2 | #define _ASM_X86_KVM_PARA_H | |
3 | ||
4 | #include <linux/types.h> | |
5 | #include <asm/hyperv.h> | |
6 | ||
7 | /* This CPUID returns the signature 'KVMKVMKVM' in ebx, ecx, and edx. It | |
8 | * should be used to determine that a VM is running under KVM. | |
9 | */ | |
10 | #define KVM_CPUID_SIGNATURE 0x40000000 | |
11 | ||
12 | /* This CPUID returns a feature bitmap in eax. Before enabling a particular | |
13 | * paravirtualization, the appropriate feature bit should be checked. | |
14 | */ | |
15 | #define KVM_CPUID_FEATURES 0x40000001 | |
16 | #define KVM_FEATURE_CLOCKSOURCE 0 | |
17 | #define KVM_FEATURE_NOP_IO_DELAY 1 | |
18 | #define KVM_FEATURE_MMU_OP 2 | |
19 | /* This indicates that the new set of kvmclock msrs | |
20 | * are available. The use of 0x11 and 0x12 is deprecated | |
21 | */ | |
22 | #define KVM_FEATURE_CLOCKSOURCE2 3 | |
23 | #define KVM_FEATURE_ASYNC_PF 4 | |
24 | ||
25 | /* The last 8 bits are used to indicate how to interpret the flags field | |
26 | * in pvclock structure. If no bits are set, all flags are ignored. | |
27 | */ | |
28 | #define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT 24 | |
29 | ||
30 | #define MSR_KVM_WALL_CLOCK 0x11 | |
31 | #define MSR_KVM_SYSTEM_TIME 0x12 | |
32 | ||
33 | /* Custom MSRs falls in the range 0x4b564d00-0x4b564dff */ | |
34 | #define MSR_KVM_WALL_CLOCK_NEW 0x4b564d00 | |
35 | #define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01 | |
36 | #define MSR_KVM_ASYNC_PF_EN 0x4b564d02 | |
37 | ||
38 | #define KVM_MAX_MMU_OP_BATCH 32 | |
39 | ||
40 | #define KVM_ASYNC_PF_ENABLED (1 << 0) | |
41 | #define KVM_ASYNC_PF_SEND_ALWAYS (1 << 1) | |
42 | ||
43 | /* Operations for KVM_HC_MMU_OP */ | |
44 | #define KVM_MMU_OP_WRITE_PTE 1 | |
45 | #define KVM_MMU_OP_FLUSH_TLB 2 | |
46 | #define KVM_MMU_OP_RELEASE_PT 3 | |
47 | ||
48 | /* Payload for KVM_HC_MMU_OP */ | |
49 | struct kvm_mmu_op_header { | |
50 | __u32 op; | |
51 | __u32 pad; | |
52 | }; | |
53 | ||
54 | struct kvm_mmu_op_write_pte { | |
55 | struct kvm_mmu_op_header header; | |
56 | __u64 pte_phys; | |
57 | __u64 pte_val; | |
58 | }; | |
59 | ||
60 | struct kvm_mmu_op_flush_tlb { | |
61 | struct kvm_mmu_op_header header; | |
62 | }; | |
63 | ||
64 | struct kvm_mmu_op_release_pt { | |
65 | struct kvm_mmu_op_header header; | |
66 | __u64 pt_phys; | |
67 | }; | |
68 | ||
69 | #define KVM_PV_REASON_PAGE_NOT_PRESENT 1 | |
70 | #define KVM_PV_REASON_PAGE_READY 2 | |
71 | ||
72 | struct kvm_vcpu_pv_apf_data { | |
73 | __u32 reason; | |
74 | __u8 pad[60]; | |
75 | __u32 enabled; | |
76 | }; | |
77 | ||
78 | ||
79 | #endif /* _ASM_X86_KVM_PARA_H */ |