| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | /* |
| 3 | * QEMU Windows Hypervisor Platform accelerator (WHPX) |
| 4 | * |
| 5 | * Copyright Microsoft Corp. 2017 |
| 6 | */ |
| 7 | |
| 8 | #include "qemu/osdep.h" |
| 9 | #include "cpu.h" |
| 10 | #include "system/address-spaces.h" |
| 11 | #include "system/ioport.h" |
| 12 | #include "gdbstub/helpers.h" |
| 13 | #include "qemu/accel.h" |
| 14 | #include "accel/accel-ops.h" |
| 15 | #include "system/memory.h" |
| 16 | #include "system/whpx.h" |
| 17 | #include "system/cpus.h" |
| 18 | #include "system/runstate.h" |
| 19 | #include "qemu/main-loop.h" |
| 20 | #include "hw/core/boards.h" |
| 21 | #include "hw/intc/ioapic.h" |
| 22 | #include "qemu/error-report.h" |
| 23 | #include "qapi/error.h" |
| 24 | #include "qapi/qapi-types-common.h" |
| 25 | #include "qapi/qapi-visit-common.h" |
| 26 | #include "migration/blocker.h" |
| 27 | #include "accel/accel-cpu-target.h" |
| 28 | #include <winerror.h> |
| 29 | |
| 30 | #include "system/whpx-internal.h" |
| 31 | #include "system/whpx-accel-ops.h" |
| 32 | #include "system/whpx-common.h" |
| 33 | #include "system/whpx-all.h" |
| 34 | |
| 35 | #include <winhvplatform.h> |
| 36 | #include <winhvplatformdefs.h> |
| 37 | |
| 38 | bool whpx_allowed; |
| 39 | bool whpx_irqchip_in_kernel; |
| 40 | static bool whp_dispatch_initialized; |
| 41 | static HMODULE hWinHvPlatform; |
| 42 | |
| 43 | struct whpx_state whpx_global; |
| 44 | struct WHPDispatch whp_dispatch; |
| 45 | |
| 46 | void whpx_flush_cpu_state(CPUState *cpu) |
| 47 | { |
| 48 | if (cpu->vcpu_dirty) { |
| 49 | whpx_set_registers(cpu, WHPX_LEVEL_RUNTIME_STATE); |
| 50 | cpu->vcpu_dirty = false; |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | void whpx_get_reg(CPUState *cpu, WHV_REGISTER_NAME reg, WHV_REGISTER_VALUE* val) |
| 55 | { |
| 56 | struct whpx_state *whpx = &whpx_global; |
| 57 | HRESULT hr; |
| 58 | |
| 59 | whpx_flush_cpu_state(cpu); |
| 60 | |
| 61 | hr = whp_dispatch.WHvGetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index, |
| 62 | ®, 1, val); |
| 63 | |
| 64 | if (FAILED(hr)) { |
| 65 | error_report("WHPX: Failed to get register %08x, hr=%08lx", reg, hr); |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | void whpx_set_reg(CPUState *cpu, WHV_REGISTER_NAME reg, WHV_REGISTER_VALUE val) |
| 70 | { |
| 71 | struct whpx_state *whpx = &whpx_global; |
| 72 | HRESULT hr; |
| 73 | hr = whp_dispatch.WHvSetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index, |
| 74 | ®, 1, &val); |
| 75 | |
| 76 | if (FAILED(hr)) { |
| 77 | error_report("WHPX: Failed to set register %08x, hr=%08lx", reg, hr); |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | /* Tries to find a breakpoint at the specified address. */ |
| 82 | struct whpx_breakpoint *whpx_lookup_breakpoint_by_addr(uint64_t address) |
| 83 | { |
| 84 | struct whpx_state *whpx = &whpx_global; |
| 85 | int i; |
| 86 | |
| 87 | if (whpx->breakpoints.breakpoints) { |
| 88 | for (i = 0; i < whpx->breakpoints.breakpoints->used; i++) { |
| 89 | if (address == whpx->breakpoints.breakpoints->data[i].address) { |
| 90 | return &whpx->breakpoints.breakpoints->data[i]; |
| 91 | } |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | return NULL; |
| 96 | } |
| 97 | |
| 98 | /* |
| 99 | * This function is called when the a VCPU is about to start and no other |
| 100 | * VCPUs have been started so far. Since the VCPU start order could be |
| 101 | * arbitrary, it doesn't have to be VCPU#0. |
| 102 | * |
| 103 | * It is used to commit the breakpoints into memory, and configure WHPX |
| 104 | * to intercept debug exceptions. |
| 105 | * |
| 106 | * Note that whpx_set_exception_exit_bitmap() cannot be called if one or |
| 107 | * more VCPUs are already running, so this is the best place to do it. |
| 108 | */ |
| 109 | int whpx_first_vcpu_starting(CPUState *cpu) |
| 110 | { |
| 111 | struct whpx_state *whpx = &whpx_global; |
| 112 | |
| 113 | g_assert(bql_locked()); |
| 114 | |
| 115 | if (!QTAILQ_EMPTY(&cpu->breakpoints) || |
| 116 | (whpx->breakpoints.breakpoints && |
| 117 | whpx->breakpoints.breakpoints->used)) { |
| 118 | CPUBreakpoint *bp; |
| 119 | int i = 0; |
| 120 | bool update_pending = false; |
| 121 | |
| 122 | QTAILQ_FOREACH(bp, &cpu->breakpoints, entry) { |
| 123 | if (i >= whpx->breakpoints.original_address_count || |
| 124 | bp->pc != whpx->breakpoints.original_addresses[i]) { |
| 125 | update_pending = true; |
| 126 | } |
| 127 | |
| 128 | i++; |
| 129 | } |
| 130 | |
| 131 | if (i != whpx->breakpoints.original_address_count) { |
| 132 | update_pending = true; |
| 133 | } |
| 134 | |
| 135 | if (update_pending) { |
| 136 | /* |
| 137 | * The CPU breakpoints have changed since the last call to |
| 138 | * whpx_translate_cpu_breakpoints(). WHPX breakpoints must |
| 139 | * now be recomputed. |
| 140 | */ |
| 141 | whpx_translate_cpu_breakpoints(&whpx->breakpoints, cpu, i); |
| 142 | } |
| 143 | /* Actually insert the breakpoints into the memory. */ |
| 144 | whpx_apply_breakpoints(whpx->breakpoints.breakpoints, cpu, true); |
| 145 | } |
| 146 | HRESULT hr; |
| 147 | uint64_t exception_mask; |
| 148 | if (whpx->step_pending || |
| 149 | (whpx->breakpoints.breakpoints && |
| 150 | whpx->breakpoints.breakpoints->used)) { |
| 151 | /* |
| 152 | * We are either attempting to single-step one or more CPUs, or |
| 153 | * have one or more breakpoints enabled. Both require intercepting |
| 154 | * the WHvX64ExceptionTypeBreakpointTrap exception. |
| 155 | */ |
| 156 | exception_mask = 1UL << WHPX_INTERCEPT_DEBUG_TRAPS; |
| 157 | } else { |
| 158 | /* Let the guest handle all exceptions. */ |
| 159 | exception_mask = 0; |
| 160 | } |
| 161 | hr = whpx_set_exception_exit_bitmap(exception_mask); |
| 162 | if (!SUCCEEDED(hr)) { |
| 163 | error_report("WHPX: Failed to update exception exit mask," |
| 164 | "hr=%08lx.", hr); |
| 165 | return 1; |
| 166 | } |
| 167 | return 0; |
| 168 | } |
| 169 | |
| 170 | /* |
| 171 | * This function is called when the last VCPU has finished running. |
| 172 | * It is used to remove any previously set breakpoints from memory. |
| 173 | */ |
| 174 | int whpx_last_vcpu_stopping(CPUState *cpu) |
| 175 | { |
| 176 | whpx_apply_breakpoints(whpx_global.breakpoints.breakpoints, cpu, false); |
| 177 | return 0; |
| 178 | } |
| 179 | |
| 180 | static void do_whpx_cpu_synchronize_state(CPUState *cpu, run_on_cpu_data arg) |
| 181 | { |
| 182 | if (!cpu->vcpu_dirty) { |
| 183 | whpx_get_registers(cpu, WHPX_LEVEL_FULL_STATE); |
| 184 | cpu->vcpu_dirty = true; |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | static void do_whpx_cpu_synchronize_post_reset(CPUState *cpu, |
| 189 | run_on_cpu_data arg) |
| 190 | { |
| 191 | whpx_set_registers(cpu, WHPX_LEVEL_RESET_STATE); |
| 192 | cpu->vcpu_dirty = false; |
| 193 | } |
| 194 | |
| 195 | static void do_whpx_cpu_synchronize_post_init(CPUState *cpu, |
| 196 | run_on_cpu_data arg) |
| 197 | { |
| 198 | whpx_set_registers(cpu, WHPX_LEVEL_FULL_STATE); |
| 199 | cpu->vcpu_dirty = false; |
| 200 | } |
| 201 | |
| 202 | static void do_whpx_cpu_synchronize_pre_loadvm(CPUState *cpu, |
| 203 | run_on_cpu_data arg) |
| 204 | { |
| 205 | cpu->vcpu_dirty = true; |
| 206 | } |
| 207 | |
| 208 | /* |
| 209 | * CPU support. |
| 210 | */ |
| 211 | |
| 212 | void whpx_cpu_synchronize_state(CPUState *cpu) |
| 213 | { |
| 214 | if (!cpu->vcpu_dirty) { |
| 215 | run_on_cpu(cpu, do_whpx_cpu_synchronize_state, RUN_ON_CPU_NULL); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | void whpx_cpu_synchronize_post_reset(CPUState *cpu) |
| 220 | { |
| 221 | run_on_cpu(cpu, do_whpx_cpu_synchronize_post_reset, RUN_ON_CPU_NULL); |
| 222 | } |
| 223 | |
| 224 | void whpx_cpu_synchronize_post_init(CPUState *cpu) |
| 225 | { |
| 226 | run_on_cpu(cpu, do_whpx_cpu_synchronize_post_init, RUN_ON_CPU_NULL); |
| 227 | } |
| 228 | |
| 229 | void whpx_cpu_synchronize_pre_loadvm(CPUState *cpu) |
| 230 | { |
| 231 | run_on_cpu(cpu, do_whpx_cpu_synchronize_pre_loadvm, RUN_ON_CPU_NULL); |
| 232 | } |
| 233 | |
| 234 | static void whpx_pre_resume_vm(AccelState *as, bool step_pending) |
| 235 | { |
| 236 | whpx_global.step_pending = step_pending; |
| 237 | } |
| 238 | |
| 239 | /* |
| 240 | * Vcpu support. |
| 241 | */ |
| 242 | |
| 243 | int whpx_vcpu_exec(CPUState *cpu) |
| 244 | { |
| 245 | int ret; |
| 246 | int fatal; |
| 247 | |
| 248 | for (;;) { |
| 249 | if (cpu->exception_index >= EXCP_INTERRUPT) { |
| 250 | ret = cpu->exception_index; |
| 251 | cpu->exception_index = -1; |
| 252 | break; |
| 253 | } |
| 254 | |
| 255 | fatal = whpx_vcpu_run(cpu); |
| 256 | |
| 257 | if (fatal) { |
| 258 | error_report("WHPX: Failed to exec a virtual processor"); |
| 259 | abort(); |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | return ret; |
| 264 | } |
| 265 | |
| 266 | void whpx_destroy_vcpu(CPUState *cpu) |
| 267 | { |
| 268 | struct whpx_state *whpx = &whpx_global; |
| 269 | |
| 270 | whp_dispatch.WHvDeleteVirtualProcessor(whpx->partition, cpu->cpu_index); |
| 271 | whpx_arch_destroy_vcpu(cpu); |
| 272 | g_free(cpu->accel); |
| 273 | } |
| 274 | |
| 275 | |
| 276 | void whpx_vcpu_kick(CPUState *cpu) |
| 277 | { |
| 278 | struct whpx_state *whpx = &whpx_global; |
| 279 | whp_dispatch.WHvCancelRunVirtualProcessor( |
| 280 | whpx->partition, cpu->cpu_index, 0); |
| 281 | } |
| 282 | |
| 283 | /* |
| 284 | * Memory support. |
| 285 | */ |
| 286 | |
| 287 | static void whpx_set_phys_mem(MemoryRegionSection *section, bool add) |
| 288 | { |
| 289 | struct whpx_state *whpx = &whpx_global; |
| 290 | MemoryRegion *area = section->mr; |
| 291 | bool writable = !area->readonly && !area->rom_device; |
| 292 | WHV_MAP_GPA_RANGE_FLAGS flags; |
| 293 | uint64_t page_size = qemu_real_host_page_size(); |
| 294 | uint64_t gva = section->offset_within_address_space; |
| 295 | uint64_t size = int128_get64(section->size); |
| 296 | HRESULT hr; |
| 297 | void *mem; |
| 298 | |
| 299 | if (!memory_region_is_ram(area)) { |
| 300 | if (writable) { |
| 301 | return; |
| 302 | } else if (!memory_region_is_romd(area)) { |
| 303 | add = false; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | if (!QEMU_IS_ALIGNED(size, page_size) || |
| 308 | !QEMU_IS_ALIGNED(gva, page_size)) { |
| 309 | /* Not page aligned, so we can not map as RAM */ |
| 310 | add = false; |
| 311 | } |
| 312 | |
| 313 | if (!add) { |
| 314 | hr = whp_dispatch.WHvUnmapGpaRange(whpx->partition, |
| 315 | gva, size); |
| 316 | if (FAILED(hr)) { |
| 317 | error_report("WHPX: failed to unmap GPA range"); |
| 318 | abort(); |
| 319 | } |
| 320 | return; |
| 321 | } |
| 322 | |
| 323 | flags = WHvMapGpaRangeFlagRead | WHvMapGpaRangeFlagExecute |
| 324 | | (writable ? WHvMapGpaRangeFlagWrite : 0); |
| 325 | mem = memory_region_get_ram_ptr(area) + section->offset_within_region; |
| 326 | |
| 327 | hr = whp_dispatch.WHvMapGpaRange(whpx->partition, |
| 328 | mem, gva, size, flags); |
| 329 | if (FAILED(hr)) { |
| 330 | error_report("WHPX: failed to map GPA range"); |
| 331 | abort(); |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | static void whpx_region_add(MemoryListener *listener, |
| 336 | MemoryRegionSection *section) |
| 337 | { |
| 338 | whpx_set_phys_mem(section, true); |
| 339 | } |
| 340 | |
| 341 | static void whpx_region_del(MemoryListener *listener, |
| 342 | MemoryRegionSection *section) |
| 343 | { |
| 344 | whpx_set_phys_mem(section, false); |
| 345 | } |
| 346 | |
| 347 | static void whpx_transaction_begin(MemoryListener *listener) |
| 348 | { |
| 349 | } |
| 350 | |
| 351 | static void whpx_transaction_commit(MemoryListener *listener) |
| 352 | { |
| 353 | } |
| 354 | |
| 355 | static void whpx_log_sync(MemoryListener *listener, |
| 356 | MemoryRegionSection *section) |
| 357 | { |
| 358 | MemoryRegion *mr = section->mr; |
| 359 | |
| 360 | if (!memory_region_is_ram(mr)) { |
| 361 | return; |
| 362 | } |
| 363 | |
| 364 | memory_region_set_dirty(mr, 0, int128_get64(section->size)); |
| 365 | } |
| 366 | |
| 367 | static MemoryListener whpx_memory_listener = { |
| 368 | .name = "whpx", |
| 369 | .begin = whpx_transaction_begin, |
| 370 | .commit = whpx_transaction_commit, |
| 371 | .region_add = whpx_region_add, |
| 372 | .region_del = whpx_region_del, |
| 373 | .log_sync = whpx_log_sync, |
| 374 | .priority = MEMORY_LISTENER_PRIORITY_ACCEL, |
| 375 | }; |
| 376 | |
| 377 | void whpx_memory_init(void) |
| 378 | { |
| 379 | memory_listener_register(&whpx_memory_listener, &address_space_memory); |
| 380 | } |
| 381 | |
| 382 | /* |
| 383 | * Load the functions from the given library, using the given handle. If a |
| 384 | * handle is provided, it is used, otherwise the library is opened. The |
| 385 | * handle will be updated on return with the opened one. |
| 386 | */ |
| 387 | static bool load_whp_dispatch_fns(HMODULE *handle, |
| 388 | WHPFunctionList function_list) |
| 389 | { |
| 390 | HMODULE hLib = *handle; |
| 391 | |
| 392 | #define WINHV_PLATFORM_DLL "WinHvPlatform.dll" |
| 393 | #define WHP_LOAD_FIELD_OPTIONAL(return_type, function_name, signature) \ |
| 394 | whp_dispatch.function_name = \ |
| 395 | (function_name ## _t)GetProcAddress(hLib, #function_name); \ |
| 396 | |
| 397 | #define WHP_LOAD_FIELD(return_type, function_name, signature) \ |
| 398 | whp_dispatch.function_name = \ |
| 399 | (function_name ## _t)GetProcAddress(hLib, #function_name); \ |
| 400 | if (!whp_dispatch.function_name) { \ |
| 401 | error_report("Could not load function %s", #function_name); \ |
| 402 | goto error; \ |
| 403 | } \ |
| 404 | |
| 405 | #define WHP_LOAD_LIB(lib_name, handle_lib) \ |
| 406 | if (!handle_lib) { \ |
| 407 | handle_lib = LoadLibrary(lib_name); \ |
| 408 | if (!handle_lib) { \ |
| 409 | error_report("Could not load library %s.", lib_name); \ |
| 410 | goto error; \ |
| 411 | } \ |
| 412 | } \ |
| 413 | |
| 414 | switch (function_list) { |
| 415 | case WINHV_PLATFORM_FNS_DEFAULT: |
| 416 | WHP_LOAD_LIB(WINHV_PLATFORM_DLL, hLib) |
| 417 | LIST_WINHVPLATFORM_FUNCTIONS(WHP_LOAD_FIELD) |
| 418 | break; |
| 419 | case WINHV_PLATFORM_FNS_SUPPLEMENTAL: |
| 420 | WHP_LOAD_LIB(WINHV_PLATFORM_DLL, hLib) |
| 421 | LIST_WINHVPLATFORM_FUNCTIONS_SUPPLEMENTAL(WHP_LOAD_FIELD_OPTIONAL) |
| 422 | break; |
| 423 | } |
| 424 | |
| 425 | *handle = hLib; |
| 426 | return true; |
| 427 | |
| 428 | error: |
| 429 | if (hLib) { |
| 430 | FreeLibrary(hLib); |
| 431 | } |
| 432 | |
| 433 | return false; |
| 434 | } |
| 435 | |
| 436 | static void whpx_set_kernel_irqchip(Object *obj, Visitor *v, |
| 437 | const char *name, void *opaque, |
| 438 | Error **errp) |
| 439 | { |
| 440 | struct whpx_state *whpx = &whpx_global; |
| 441 | OnOffSplit mode; |
| 442 | |
| 443 | if (!visit_type_OnOffSplit(v, name, &mode, errp)) { |
| 444 | return; |
| 445 | } |
| 446 | |
| 447 | switch (mode) { |
| 448 | case ON_OFF_SPLIT_ON: |
| 449 | whpx->kernel_irqchip_allowed = true; |
| 450 | whpx->kernel_irqchip_required = true; |
| 451 | break; |
| 452 | |
| 453 | case ON_OFF_SPLIT_OFF: |
| 454 | whpx->kernel_irqchip_allowed = false; |
| 455 | whpx->kernel_irqchip_required = false; |
| 456 | break; |
| 457 | |
| 458 | case ON_OFF_SPLIT_SPLIT: |
| 459 | error_setg(errp, "WHPX: split irqchip currently not supported"); |
| 460 | error_append_hint(errp, |
| 461 | "Try without kernel-irqchip or with kernel-irqchip=on|off"); |
| 462 | break; |
| 463 | |
| 464 | default: |
| 465 | /* |
| 466 | * The value was checked in visit_type_OnOffSplit() above. If |
| 467 | * we get here, then something is wrong in QEMU. |
| 468 | */ |
| 469 | abort(); |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | static void whpx_set_hyperv(Object *obj, Visitor *v, |
| 474 | const char *name, void *opaque, |
| 475 | Error **errp) |
| 476 | { |
| 477 | struct whpx_state *whpx = &whpx_global; |
| 478 | OnOffAuto mode; |
| 479 | |
| 480 | if (!visit_type_OnOffAuto(v, name, &mode, errp)) { |
| 481 | return; |
| 482 | } |
| 483 | |
| 484 | switch (mode) { |
| 485 | case ON_OFF_AUTO_ON: |
| 486 | whpx->hyperv_enlightenments_allowed = true; |
| 487 | whpx->hyperv_enlightenments_required = true; |
| 488 | break; |
| 489 | |
| 490 | case ON_OFF_AUTO_OFF: |
| 491 | whpx->hyperv_enlightenments_allowed = false; |
| 492 | whpx->hyperv_enlightenments_required = false; |
| 493 | break; |
| 494 | |
| 495 | case ON_OFF_AUTO_AUTO: |
| 496 | whpx->hyperv_enlightenments_allowed = true; |
| 497 | whpx->hyperv_enlightenments_required = false; |
| 498 | break; |
| 499 | default: |
| 500 | /* |
| 501 | * The value was checked in visit_type_OnOffAuto() above. If |
| 502 | * we get here, then something is wrong in QEMU. |
| 503 | */ |
| 504 | abort(); |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | static void whpx_cpu_accel_class_init(ObjectClass *oc, const void *data) |
| 509 | { |
| 510 | AccelCPUClass *acc = ACCEL_CPU_CLASS(oc); |
| 511 | |
| 512 | acc->cpu_instance_init = whpx_cpu_instance_init; |
| 513 | } |
| 514 | |
| 515 | static const TypeInfo whpx_cpu_accel_type = { |
| 516 | .name = ACCEL_CPU_NAME("whpx"), |
| 517 | |
| 518 | .parent = TYPE_ACCEL_CPU, |
| 519 | .class_init = whpx_cpu_accel_class_init, |
| 520 | .abstract = true, |
| 521 | }; |
| 522 | |
| 523 | static void whpx_accel_class_init(ObjectClass *oc, const void *data) |
| 524 | { |
| 525 | AccelClass *ac = ACCEL_CLASS(oc); |
| 526 | ac->name = "WHPX"; |
| 527 | ac->init_machine = whpx_accel_init; |
| 528 | ac->pre_resume_vm = whpx_pre_resume_vm; |
| 529 | ac->allowed = &whpx_allowed; |
| 530 | |
| 531 | object_class_property_add(oc, "kernel-irqchip", "on|off|split", |
| 532 | NULL, whpx_set_kernel_irqchip, |
| 533 | NULL, NULL); |
| 534 | object_class_property_set_description(oc, "kernel-irqchip", |
| 535 | "Configure WHPX in-kernel irqchip"); |
| 536 | object_class_property_add(oc, "hyperv", "OnOffAuto", |
| 537 | NULL, whpx_set_hyperv, |
| 538 | NULL, NULL); |
| 539 | object_class_property_set_description(oc, "hyperv", |
| 540 | "Configure Hyper-V enlightenments"); |
| 541 | |
| 542 | whpx_arch_accel_class_init(oc); |
| 543 | } |
| 544 | |
| 545 | static void whpx_accel_instance_init(Object *obj) |
| 546 | { |
| 547 | struct whpx_state *whpx = &whpx_global; |
| 548 | |
| 549 | memset(whpx, 0, sizeof(struct whpx_state)); |
| 550 | /* Turn on kernel-irqchip, by default */ |
| 551 | whpx->kernel_irqchip_allowed = true; |
| 552 | |
| 553 | whpx->hyperv_enlightenments_allowed = true; |
| 554 | whpx->hyperv_enlightenments_required = false; |
| 555 | /* Value determined at whpx_accel_init */ |
| 556 | whpx->hyperv_enlightenments_enabled = false; |
| 557 | whpx->ignore_unknown_msr = true; |
| 558 | whpx->intercept_msr_gp = false; |
| 559 | whpx->separate_security_domain = true; |
| 560 | } |
| 561 | |
| 562 | static const TypeInfo whpx_accel_type = { |
| 563 | .name = ACCEL_CLASS_NAME("whpx"), |
| 564 | .parent = TYPE_ACCEL, |
| 565 | .instance_init = whpx_accel_instance_init, |
| 566 | .class_init = whpx_accel_class_init, |
| 567 | }; |
| 568 | |
| 569 | static void whpx_type_init(void) |
| 570 | { |
| 571 | type_register_static(&whpx_accel_type); |
| 572 | type_register_static(&whpx_cpu_accel_type); |
| 573 | } |
| 574 | |
| 575 | bool init_whp_dispatch(void) |
| 576 | { |
| 577 | if (whp_dispatch_initialized) { |
| 578 | return true; |
| 579 | } |
| 580 | |
| 581 | if (!load_whp_dispatch_fns(&hWinHvPlatform, WINHV_PLATFORM_FNS_DEFAULT)) { |
| 582 | goto error; |
| 583 | } |
| 584 | assert(load_whp_dispatch_fns(&hWinHvPlatform, |
| 585 | WINHV_PLATFORM_FNS_SUPPLEMENTAL)); |
| 586 | whp_dispatch_initialized = true; |
| 587 | |
| 588 | return true; |
| 589 | error: |
| 590 | if (hWinHvPlatform) { |
| 591 | FreeLibrary(hWinHvPlatform); |
| 592 | } |
| 593 | return false; |
| 594 | } |
| 595 | |
| 596 | type_init(whpx_type_init); |