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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 | #ifndef _ASM_X86_HYPERV_H #define _ASM_X86_HYPERV_H #include <linux/types.h> /* * The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent * is set by CPUID(HvCpuIdFunctionVersionAndFeatures). */ #define HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS 0x40000000 #define HYPERV_CPUID_INTERFACE 0x40000001 #define HYPERV_CPUID_VERSION 0x40000002 #define HYPERV_CPUID_FEATURES 0x40000003 #define HYPERV_CPUID_ENLIGHTMENT_INFO 0x40000004 #define HYPERV_CPUID_IMPLEMENT_LIMITS 0x40000005 #define HYPERV_HYPERVISOR_PRESENT_BIT 0x80000000 #define HYPERV_CPUID_MIN 0x40000005 #define HYPERV_CPUID_MAX 0x4000ffff /* * Feature identification. EAX indicates which features are available * to the partition based upon the current partition privileges. */ /* VP Runtime (HV_X64_MSR_VP_RUNTIME) available */ #define HV_X64_MSR_VP_RUNTIME_AVAILABLE (1 << 0) /* Partition Reference Counter (HV_X64_MSR_TIME_REF_COUNT) available*/ #define HV_X64_MSR_TIME_REF_COUNT_AVAILABLE (1 << 1) /* Partition reference TSC MSR is available */ #define HV_X64_MSR_REFERENCE_TSC_AVAILABLE (1 << 9) /* A partition's reference time stamp counter (TSC) page */ #define HV_X64_MSR_REFERENCE_TSC 0x40000021 /* * There is a single feature flag that signifies the presence of the MSR * that can be used to retrieve both the local APIC Timer frequency as * well as the TSC frequency. */ /* Local APIC timer frequency MSR (HV_X64_MSR_APIC_FREQUENCY) is available */ #define HV_X64_MSR_APIC_FREQUENCY_AVAILABLE (1 << 11) /* TSC frequency MSR (HV_X64_MSR_TSC_FREQUENCY) is available */ #define HV_X64_MSR_TSC_FREQUENCY_AVAILABLE (1 << 11) /* * Basic SynIC MSRs (HV_X64_MSR_SCONTROL through HV_X64_MSR_EOM * and HV_X64_MSR_SINT0 through HV_X64_MSR_SINT15) available */ #define HV_X64_MSR_SYNIC_AVAILABLE (1 << 2) /* * Synthetic Timer MSRs (HV_X64_MSR_STIMER0_CONFIG through * HV_X64_MSR_STIMER3_COUNT) available */ #define HV_X64_MSR_SYNTIMER_AVAILABLE (1 << 3) /* * APIC access MSRs (HV_X64_MSR_EOI, HV_X64_MSR_ICR and HV_X64_MSR_TPR) * are available */ #define HV_X64_MSR_APIC_ACCESS_AVAILABLE (1 << 4) /* Hypercall MSRs (HV_X64_MSR_GUEST_OS_ID and HV_X64_MSR_HYPERCALL) available*/ #define HV_X64_MSR_HYPERCALL_AVAILABLE (1 << 5) /* Access virtual processor index MSR (HV_X64_MSR_VP_INDEX) available*/ #define HV_X64_MSR_VP_INDEX_AVAILABLE (1 << 6) /* Virtual system reset MSR (HV_X64_MSR_RESET) is available*/ #define HV_X64_MSR_RESET_AVAILABLE (1 << 7) /* * Access statistics pages MSRs (HV_X64_MSR_STATS_PARTITION_RETAIL_PAGE, * HV_X64_MSR_STATS_PARTITION_INTERNAL_PAGE, HV_X64_MSR_STATS_VP_RETAIL_PAGE, * HV_X64_MSR_STATS_VP_INTERNAL_PAGE) available */ #define HV_X64_MSR_STAT_PAGES_AVAILABLE (1 << 8) /* Crash MSR available */ #define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE (1 << 10) /* * Feature identification: EBX indicates which flags were specified at * partition creation. The format is the same as the partition creation * flag structure defined in section Partition Creation Flags. */ #define HV_X64_CREATE_PARTITIONS (1 << 0) #define HV_X64_ACCESS_PARTITION_ID (1 << 1) #define HV_X64_ACCESS_MEMORY_POOL (1 << 2) #define HV_X64_ADJUST_MESSAGE_BUFFERS (1 << 3) #define HV_X64_POST_MESSAGES (1 << 4) #define HV_X64_SIGNAL_EVENTS (1 << 5) #define HV_X64_CREATE_PORT (1 << 6) #define HV_X64_CONNECT_PORT (1 << 7) #define HV_X64_ACCESS_STATS (1 << 8) #define HV_X64_DEBUGGING (1 << 11) #define HV_X64_CPU_POWER_MANAGEMENT (1 << 12) #define HV_X64_CONFIGURE_PROFILER (1 << 13) /* * Feature identification. EDX indicates which miscellaneous features * are available to the partition. */ /* The MWAIT instruction is available (per section MONITOR / MWAIT) */ #define HV_X64_MWAIT_AVAILABLE (1 << 0) /* Guest debugging support is available */ #define HV_X64_GUEST_DEBUGGING_AVAILABLE (1 << 1) /* Performance Monitor support is available*/ #define HV_X64_PERF_MONITOR_AVAILABLE (1 << 2) /* Support for physical CPU dynamic partitioning events is available*/ #define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE (1 << 3) /* * Support for passing hypercall input parameter block via XMM * registers is available */ #define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE (1 << 4) /* Support for a virtual guest idle state is available */ #define HV_X64_GUEST_IDLE_STATE_AVAILABLE (1 << 5) /* Guest crash data handler available */ #define HV_X64_GUEST_CRASH_MSR_AVAILABLE (1 << 10) /* * Implementation recommendations. Indicates which behaviors the hypervisor * recommends the OS implement for optimal performance. */ /* * Recommend using hypercall for address space switches rather * than MOV to CR3 instruction */ #define HV_X64_AS_SWITCH_RECOMMENDED (1 << 0) /* Recommend using hypercall for local TLB flushes rather * than INVLPG or MOV to CR3 instructions */ #define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED (1 << 1) /* * Recommend using hypercall for remote TLB flushes rather * than inter-processor interrupts */ #define HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED (1 << 2) /* * Recommend using MSRs for accessing APIC registers * EOI, ICR and TPR rather than their memory-mapped counterparts */ #define HV_X64_APIC_ACCESS_RECOMMENDED (1 << 3) /* Recommend using the hypervisor-provided MSR to initiate a system RESET */ #define HV_X64_SYSTEM_RESET_RECOMMENDED (1 << 4) /* * Recommend using relaxed timing for this partition. If used, * the VM should disable any watchdog timeouts that rely on the * timely delivery of external interrupts */ #define HV_X64_RELAXED_TIMING_RECOMMENDED (1 << 5) /* * Virtual APIC support */ #define HV_X64_DEPRECATING_AEOI_RECOMMENDED (1 << 9) /* * Crash notification flag. */ #define HV_CRASH_CTL_CRASH_NOTIFY (1ULL << 63) /* MSR used to identify the guest OS. */ #define HV_X64_MSR_GUEST_OS_ID 0x40000000 /* MSR used to setup pages used to communicate with the hypervisor. */ #define HV_X64_MSR_HYPERCALL 0x40000001 /* MSR used to provide vcpu index */ #define HV_X64_MSR_VP_INDEX 0x40000002 /* MSR used to reset the guest OS. */ #define HV_X64_MSR_RESET 0x40000003 /* MSR used to provide vcpu runtime in 100ns units */ #define HV_X64_MSR_VP_RUNTIME 0x40000010 /* MSR used to read the per-partition time reference counter */ #define HV_X64_MSR_TIME_REF_COUNT 0x40000020 /* MSR used to retrieve the TSC frequency */ #define HV_X64_MSR_TSC_FREQUENCY 0x40000022 /* MSR used to retrieve the local APIC timer frequency */ #define HV_X64_MSR_APIC_FREQUENCY 0x40000023 /* Define the virtual APIC registers */ #define HV_X64_MSR_EOI 0x40000070 #define HV_X64_MSR_ICR 0x40000071 #define HV_X64_MSR_TPR 0x40000072 #define HV_X64_MSR_APIC_ASSIST_PAGE 0x40000073 /* Define synthetic interrupt controller model specific registers. */ #define HV_X64_MSR_SCONTROL 0x40000080 #define HV_X64_MSR_SVERSION 0x40000081 #define HV_X64_MSR_SIEFP 0x40000082 #define HV_X64_MSR_SIMP 0x40000083 #define HV_X64_MSR_EOM 0x40000084 #define HV_X64_MSR_SINT0 0x40000090 #define HV_X64_MSR_SINT1 0x40000091 #define HV_X64_MSR_SINT2 0x40000092 #define HV_X64_MSR_SINT3 0x40000093 #define HV_X64_MSR_SINT4 0x40000094 #define HV_X64_MSR_SINT5 0x40000095 #define HV_X64_MSR_SINT6 0x40000096 #define HV_X64_MSR_SINT7 0x40000097 #define HV_X64_MSR_SINT8 0x40000098 #define HV_X64_MSR_SINT9 0x40000099 #define HV_X64_MSR_SINT10 0x4000009A #define HV_X64_MSR_SINT11 0x4000009B #define HV_X64_MSR_SINT12 0x4000009C #define HV_X64_MSR_SINT13 0x4000009D #define HV_X64_MSR_SINT14 0x4000009E #define HV_X64_MSR_SINT15 0x4000009F /* * Synthetic Timer MSRs. Four timers per vcpu. */ #define HV_X64_MSR_STIMER0_CONFIG 0x400000B0 #define HV_X64_MSR_STIMER0_COUNT 0x400000B1 #define HV_X64_MSR_STIMER1_CONFIG 0x400000B2 #define HV_X64_MSR_STIMER1_COUNT 0x400000B3 #define HV_X64_MSR_STIMER2_CONFIG 0x400000B4 #define HV_X64_MSR_STIMER2_COUNT 0x400000B5 #define HV_X64_MSR_STIMER3_CONFIG 0x400000B6 #define HV_X64_MSR_STIMER3_COUNT 0x400000B7 /* Hyper-V guest crash notification MSR's */ #define HV_X64_MSR_CRASH_P0 0x40000100 #define HV_X64_MSR_CRASH_P1 0x40000101 #define HV_X64_MSR_CRASH_P2 0x40000102 #define HV_X64_MSR_CRASH_P3 0x40000103 #define HV_X64_MSR_CRASH_P4 0x40000104 #define HV_X64_MSR_CRASH_CTL 0x40000105 #define HV_X64_MSR_CRASH_CTL_NOTIFY (1ULL << 63) #define HV_X64_MSR_CRASH_PARAMS \ (1 + (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0)) #define HV_X64_MSR_HYPERCALL_ENABLE 0x00000001 #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT 12 #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK \ (~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1)) /* Declare the various hypercall operations. */ #define HVCALL_NOTIFY_LONG_SPIN_WAIT 0x0008 #define HVCALL_POST_MESSAGE 0x005c #define HVCALL_SIGNAL_EVENT 0x005d #define HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE 0x00000001 #define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT 12 #define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_MASK \ (~((1ull << HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT) - 1)) #define HV_X64_MSR_TSC_REFERENCE_ENABLE 0x00000001 #define HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT 12 #define HV_PROCESSOR_POWER_STATE_C0 0 #define HV_PROCESSOR_POWER_STATE_C1 1 #define HV_PROCESSOR_POWER_STATE_C2 2 #define HV_PROCESSOR_POWER_STATE_C3 3 /* hypercall status code */ #define HV_STATUS_SUCCESS 0 #define HV_STATUS_INVALID_HYPERCALL_CODE 2 #define HV_STATUS_INVALID_HYPERCALL_INPUT 3 #define HV_STATUS_INVALID_ALIGNMENT 4 #define HV_STATUS_INSUFFICIENT_MEMORY 11 #define HV_STATUS_INVALID_CONNECTION_ID 18 #define HV_STATUS_INSUFFICIENT_BUFFERS 19 typedef struct _HV_REFERENCE_TSC_PAGE { __u32 tsc_sequence; __u32 res1; __u64 tsc_scale; __s64 tsc_offset; } HV_REFERENCE_TSC_PAGE, *PHV_REFERENCE_TSC_PAGE; /* Define the number of synthetic interrupt sources. */ #define HV_SYNIC_SINT_COUNT (16) /* Define the expected SynIC version. */ #define HV_SYNIC_VERSION_1 (0x1) #define HV_SYNIC_CONTROL_ENABLE (1ULL << 0) #define HV_SYNIC_SIMP_ENABLE (1ULL << 0) #define HV_SYNIC_SIEFP_ENABLE (1ULL << 0) #define HV_SYNIC_SINT_MASKED (1ULL << 16) #define HV_SYNIC_SINT_AUTO_EOI (1ULL << 17) #define HV_SYNIC_SINT_VECTOR_MASK (0xFF) #define HV_SYNIC_STIMER_COUNT (4) /* Define synthetic interrupt controller message constants. */ #define HV_MESSAGE_SIZE (256) #define HV_MESSAGE_PAYLOAD_BYTE_COUNT (240) #define HV_MESSAGE_PAYLOAD_QWORD_COUNT (30) /* Define hypervisor message types. */ enum hv_message_type { HVMSG_NONE = 0x00000000, /* Memory access messages. */ HVMSG_UNMAPPED_GPA = 0x80000000, HVMSG_GPA_INTERCEPT = 0x80000001, /* Timer notification messages. */ HVMSG_TIMER_EXPIRED = 0x80000010, /* Error messages. */ HVMSG_INVALID_VP_REGISTER_VALUE = 0x80000020, HVMSG_UNRECOVERABLE_EXCEPTION = 0x80000021, HVMSG_UNSUPPORTED_FEATURE = 0x80000022, /* Trace buffer complete messages. */ HVMSG_EVENTLOG_BUFFERCOMPLETE = 0x80000040, /* Platform-specific processor intercept messages. */ HVMSG_X64_IOPORT_INTERCEPT = 0x80010000, HVMSG_X64_MSR_INTERCEPT = 0x80010001, HVMSG_X64_CPUID_INTERCEPT = 0x80010002, HVMSG_X64_EXCEPTION_INTERCEPT = 0x80010003, HVMSG_X64_APIC_EOI = 0x80010004, HVMSG_X64_LEGACY_FP_ERROR = 0x80010005 }; /* Define synthetic interrupt controller message flags. */ union hv_message_flags { __u8 asu8; struct { __u8 msg_pending:1; __u8 reserved:7; }; }; /* Define port identifier type. */ union hv_port_id { __u32 asu32; struct { __u32 id:24; __u32 reserved:8; } u; }; /* Define synthetic interrupt controller message header. */ struct hv_message_header { __u32 message_type; __u8 payload_size; union hv_message_flags message_flags; __u8 reserved[2]; union { __u64 sender; union hv_port_id port; }; }; /* Define synthetic interrupt controller message format. */ struct hv_message { struct hv_message_header header; union { __u64 payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT]; } u; }; /* Define the synthetic interrupt message page layout. */ struct hv_message_page { struct hv_message sint_message[HV_SYNIC_SINT_COUNT]; }; /* Define timer message payload structure. */ struct hv_timer_message_payload { __u32 timer_index; __u32 reserved; __u64 expiration_time; /* When the timer expired */ __u64 delivery_time; /* When the message was delivered */ }; #define HV_STIMER_ENABLE (1ULL << 0) #define HV_STIMER_PERIODIC (1ULL << 1) #define HV_STIMER_LAZY (1ULL << 2) #define HV_STIMER_AUTOENABLE (1ULL << 3) #define HV_STIMER_SINT(config) (__u8)(((config) >> 16) & 0x0F) #endif |