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e08cae41 PA |
1 | #ifndef _ASM_X86_HYPERV_H |
2 | #define _ASM_X86_HYPERV_H | |
1d5103c1 GN |
3 | |
4 | #include <linux/types.h> | |
5 | ||
6 | /* | |
7 | * The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent | |
8 | * is set by CPUID(HvCpuIdFunctionVersionAndFeatures). | |
9 | */ | |
10 | #define HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS 0x40000000 | |
11 | #define HYPERV_CPUID_INTERFACE 0x40000001 | |
12 | #define HYPERV_CPUID_VERSION 0x40000002 | |
13 | #define HYPERV_CPUID_FEATURES 0x40000003 | |
14 | #define HYPERV_CPUID_ENLIGHTMENT_INFO 0x40000004 | |
15 | #define HYPERV_CPUID_IMPLEMENT_LIMITS 0x40000005 | |
16 | ||
a2a47c6c KS |
17 | #define HYPERV_HYPERVISOR_PRESENT_BIT 0x80000000 |
18 | #define HYPERV_CPUID_MIN 0x40000005 | |
e08cae41 | 19 | #define HYPERV_CPUID_MAX 0x4000ffff |
a2a47c6c | 20 | |
1d5103c1 GN |
21 | /* |
22 | * Feature identification. EAX indicates which features are available | |
23 | * to the partition based upon the current partition privileges. | |
24 | */ | |
25 | ||
26 | /* VP Runtime (HV_X64_MSR_VP_RUNTIME) available */ | |
27 | #define HV_X64_MSR_VP_RUNTIME_AVAILABLE (1 << 0) | |
28 | /* Partition Reference Counter (HV_X64_MSR_TIME_REF_COUNT) available*/ | |
29 | #define HV_X64_MSR_TIME_REF_COUNT_AVAILABLE (1 << 1) | |
9e7827b5 | 30 | |
e984097b VR |
31 | /* A partition's reference time stamp counter (TSC) page */ |
32 | #define HV_X64_MSR_REFERENCE_TSC 0x40000021 | |
33 | ||
9e7827b5 S |
34 | /* |
35 | * There is a single feature flag that signifies the presence of the MSR | |
36 | * that can be used to retrieve both the local APIC Timer frequency as | |
37 | * well as the TSC frequency. | |
38 | */ | |
39 | ||
40 | /* Local APIC timer frequency MSR (HV_X64_MSR_APIC_FREQUENCY) is available */ | |
41 | #define HV_X64_MSR_APIC_FREQUENCY_AVAILABLE (1 << 11) | |
42 | ||
43 | /* TSC frequency MSR (HV_X64_MSR_TSC_FREQUENCY) is available */ | |
44 | #define HV_X64_MSR_TSC_FREQUENCY_AVAILABLE (1 << 11) | |
45 | ||
1d5103c1 GN |
46 | /* |
47 | * Basic SynIC MSRs (HV_X64_MSR_SCONTROL through HV_X64_MSR_EOM | |
48 | * and HV_X64_MSR_SINT0 through HV_X64_MSR_SINT15) available | |
49 | */ | |
50 | #define HV_X64_MSR_SYNIC_AVAILABLE (1 << 2) | |
51 | /* | |
52 | * Synthetic Timer MSRs (HV_X64_MSR_STIMER0_CONFIG through | |
53 | * HV_X64_MSR_STIMER3_COUNT) available | |
54 | */ | |
55 | #define HV_X64_MSR_SYNTIMER_AVAILABLE (1 << 3) | |
56 | /* | |
57 | * APIC access MSRs (HV_X64_MSR_EOI, HV_X64_MSR_ICR and HV_X64_MSR_TPR) | |
58 | * are available | |
59 | */ | |
60 | #define HV_X64_MSR_APIC_ACCESS_AVAILABLE (1 << 4) | |
61 | /* Hypercall MSRs (HV_X64_MSR_GUEST_OS_ID and HV_X64_MSR_HYPERCALL) available*/ | |
62 | #define HV_X64_MSR_HYPERCALL_AVAILABLE (1 << 5) | |
63 | /* Access virtual processor index MSR (HV_X64_MSR_VP_INDEX) available*/ | |
64 | #define HV_X64_MSR_VP_INDEX_AVAILABLE (1 << 6) | |
65 | /* Virtual system reset MSR (HV_X64_MSR_RESET) is available*/ | |
66 | #define HV_X64_MSR_RESET_AVAILABLE (1 << 7) | |
67 | /* | |
68 | * Access statistics pages MSRs (HV_X64_MSR_STATS_PARTITION_RETAIL_PAGE, | |
69 | * HV_X64_MSR_STATS_PARTITION_INTERNAL_PAGE, HV_X64_MSR_STATS_VP_RETAIL_PAGE, | |
70 | * HV_X64_MSR_STATS_VP_INTERNAL_PAGE) available | |
71 | */ | |
72 | #define HV_X64_MSR_STAT_PAGES_AVAILABLE (1 << 8) | |
73 | ||
74 | /* | |
75 | * Feature identification: EBX indicates which flags were specified at | |
76 | * partition creation. The format is the same as the partition creation | |
77 | * flag structure defined in section Partition Creation Flags. | |
78 | */ | |
79 | #define HV_X64_CREATE_PARTITIONS (1 << 0) | |
80 | #define HV_X64_ACCESS_PARTITION_ID (1 << 1) | |
81 | #define HV_X64_ACCESS_MEMORY_POOL (1 << 2) | |
82 | #define HV_X64_ADJUST_MESSAGE_BUFFERS (1 << 3) | |
83 | #define HV_X64_POST_MESSAGES (1 << 4) | |
84 | #define HV_X64_SIGNAL_EVENTS (1 << 5) | |
85 | #define HV_X64_CREATE_PORT (1 << 6) | |
86 | #define HV_X64_CONNECT_PORT (1 << 7) | |
87 | #define HV_X64_ACCESS_STATS (1 << 8) | |
88 | #define HV_X64_DEBUGGING (1 << 11) | |
89 | #define HV_X64_CPU_POWER_MANAGEMENT (1 << 12) | |
90 | #define HV_X64_CONFIGURE_PROFILER (1 << 13) | |
91 | ||
92 | /* | |
93 | * Feature identification. EDX indicates which miscellaneous features | |
94 | * are available to the partition. | |
95 | */ | |
96 | /* The MWAIT instruction is available (per section MONITOR / MWAIT) */ | |
97 | #define HV_X64_MWAIT_AVAILABLE (1 << 0) | |
98 | /* Guest debugging support is available */ | |
99 | #define HV_X64_GUEST_DEBUGGING_AVAILABLE (1 << 1) | |
100 | /* Performance Monitor support is available*/ | |
101 | #define HV_X64_PERF_MONITOR_AVAILABLE (1 << 2) | |
102 | /* Support for physical CPU dynamic partitioning events is available*/ | |
103 | #define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE (1 << 3) | |
104 | /* | |
105 | * Support for passing hypercall input parameter block via XMM | |
106 | * registers is available | |
107 | */ | |
108 | #define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE (1 << 4) | |
109 | /* Support for a virtual guest idle state is available */ | |
110 | #define HV_X64_GUEST_IDLE_STATE_AVAILABLE (1 << 5) | |
111 | ||
112 | /* | |
113 | * Implementation recommendations. Indicates which behaviors the hypervisor | |
114 | * recommends the OS implement for optimal performance. | |
115 | */ | |
116 | /* | |
117 | * Recommend using hypercall for address space switches rather | |
118 | * than MOV to CR3 instruction | |
119 | */ | |
120 | #define HV_X64_MWAIT_RECOMMENDED (1 << 0) | |
121 | /* Recommend using hypercall for local TLB flushes rather | |
122 | * than INVLPG or MOV to CR3 instructions */ | |
123 | #define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED (1 << 1) | |
124 | /* | |
125 | * Recommend using hypercall for remote TLB flushes rather | |
126 | * than inter-processor interrupts | |
127 | */ | |
128 | #define HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED (1 << 2) | |
129 | /* | |
130 | * Recommend using MSRs for accessing APIC registers | |
131 | * EOI, ICR and TPR rather than their memory-mapped counterparts | |
132 | */ | |
133 | #define HV_X64_APIC_ACCESS_RECOMMENDED (1 << 3) | |
134 | /* Recommend using the hypervisor-provided MSR to initiate a system RESET */ | |
135 | #define HV_X64_SYSTEM_RESET_RECOMMENDED (1 << 4) | |
136 | /* | |
137 | * Recommend using relaxed timing for this partition. If used, | |
138 | * the VM should disable any watchdog timeouts that rely on the | |
139 | * timely delivery of external interrupts | |
140 | */ | |
141 | #define HV_X64_RELAXED_TIMING_RECOMMENDED (1 << 5) | |
142 | ||
143 | /* MSR used to identify the guest OS. */ | |
144 | #define HV_X64_MSR_GUEST_OS_ID 0x40000000 | |
145 | ||
146 | /* MSR used to setup pages used to communicate with the hypervisor. */ | |
147 | #define HV_X64_MSR_HYPERCALL 0x40000001 | |
148 | ||
149 | /* MSR used to provide vcpu index */ | |
150 | #define HV_X64_MSR_VP_INDEX 0x40000002 | |
151 | ||
a2a47c6c KS |
152 | /* MSR used to read the per-partition time reference counter */ |
153 | #define HV_X64_MSR_TIME_REF_COUNT 0x40000020 | |
154 | ||
9e7827b5 S |
155 | /* MSR used to retrieve the TSC frequency */ |
156 | #define HV_X64_MSR_TSC_FREQUENCY 0x40000022 | |
157 | ||
158 | /* MSR used to retrieve the local APIC timer frequency */ | |
159 | #define HV_X64_MSR_APIC_FREQUENCY 0x40000023 | |
160 | ||
1d5103c1 GN |
161 | /* Define the virtual APIC registers */ |
162 | #define HV_X64_MSR_EOI 0x40000070 | |
163 | #define HV_X64_MSR_ICR 0x40000071 | |
164 | #define HV_X64_MSR_TPR 0x40000072 | |
165 | #define HV_X64_MSR_APIC_ASSIST_PAGE 0x40000073 | |
166 | ||
167 | /* Define synthetic interrupt controller model specific registers. */ | |
168 | #define HV_X64_MSR_SCONTROL 0x40000080 | |
169 | #define HV_X64_MSR_SVERSION 0x40000081 | |
170 | #define HV_X64_MSR_SIEFP 0x40000082 | |
171 | #define HV_X64_MSR_SIMP 0x40000083 | |
172 | #define HV_X64_MSR_EOM 0x40000084 | |
173 | #define HV_X64_MSR_SINT0 0x40000090 | |
174 | #define HV_X64_MSR_SINT1 0x40000091 | |
175 | #define HV_X64_MSR_SINT2 0x40000092 | |
176 | #define HV_X64_MSR_SINT3 0x40000093 | |
177 | #define HV_X64_MSR_SINT4 0x40000094 | |
178 | #define HV_X64_MSR_SINT5 0x40000095 | |
179 | #define HV_X64_MSR_SINT6 0x40000096 | |
180 | #define HV_X64_MSR_SINT7 0x40000097 | |
181 | #define HV_X64_MSR_SINT8 0x40000098 | |
182 | #define HV_X64_MSR_SINT9 0x40000099 | |
183 | #define HV_X64_MSR_SINT10 0x4000009A | |
184 | #define HV_X64_MSR_SINT11 0x4000009B | |
185 | #define HV_X64_MSR_SINT12 0x4000009C | |
186 | #define HV_X64_MSR_SINT13 0x4000009D | |
187 | #define HV_X64_MSR_SINT14 0x4000009E | |
188 | #define HV_X64_MSR_SINT15 0x4000009F | |
189 | ||
4061ed9e S |
190 | /* |
191 | * Synthetic Timer MSRs. Four timers per vcpu. | |
192 | */ | |
193 | #define HV_X64_MSR_STIMER0_CONFIG 0x400000B0 | |
194 | #define HV_X64_MSR_STIMER0_COUNT 0x400000B1 | |
195 | #define HV_X64_MSR_STIMER1_CONFIG 0x400000B2 | |
196 | #define HV_X64_MSR_STIMER1_COUNT 0x400000B3 | |
197 | #define HV_X64_MSR_STIMER2_CONFIG 0x400000B4 | |
198 | #define HV_X64_MSR_STIMER2_COUNT 0x400000B5 | |
199 | #define HV_X64_MSR_STIMER3_CONFIG 0x400000B6 | |
200 | #define HV_X64_MSR_STIMER3_COUNT 0x400000B7 | |
1d5103c1 GN |
201 | |
202 | #define HV_X64_MSR_HYPERCALL_ENABLE 0x00000001 | |
203 | #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT 12 | |
204 | #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK \ | |
205 | (~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1)) | |
206 | ||
207 | /* Declare the various hypercall operations. */ | |
208 | #define HV_X64_HV_NOTIFY_LONG_SPIN_WAIT 0x0008 | |
209 | ||
210 | #define HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE 0x00000001 | |
211 | #define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT 12 | |
212 | #define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_MASK \ | |
213 | (~((1ull << HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT) - 1)) | |
214 | ||
e984097b VR |
215 | #define HV_X64_MSR_TSC_REFERENCE_ENABLE 0x00000001 |
216 | #define HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT 12 | |
217 | ||
1d5103c1 GN |
218 | #define HV_PROCESSOR_POWER_STATE_C0 0 |
219 | #define HV_PROCESSOR_POWER_STATE_C1 1 | |
220 | #define HV_PROCESSOR_POWER_STATE_C2 2 | |
221 | #define HV_PROCESSOR_POWER_STATE_C3 3 | |
222 | ||
223 | /* hypercall status code */ | |
224 | #define HV_STATUS_SUCCESS 0 | |
225 | #define HV_STATUS_INVALID_HYPERCALL_CODE 2 | |
226 | #define HV_STATUS_INVALID_HYPERCALL_INPUT 3 | |
227 | #define HV_STATUS_INVALID_ALIGNMENT 4 | |
89f9f679 DC |
228 | #define HV_STATUS_INSUFFICIENT_MEMORY 11 |
229 | #define HV_STATUS_INVALID_CONNECTION_ID 18 | |
5289d3d1 | 230 | #define HV_STATUS_INSUFFICIENT_BUFFERS 19 |
1d5103c1 | 231 | |
e984097b VR |
232 | typedef struct _HV_REFERENCE_TSC_PAGE { |
233 | __u32 tsc_sequence; | |
234 | __u32 res1; | |
235 | __u64 tsc_scale; | |
236 | __s64 tsc_offset; | |
237 | } HV_REFERENCE_TSC_PAGE, *PHV_REFERENCE_TSC_PAGE; | |
238 | ||
1d5103c1 | 239 | #endif |