| Message ID | 1526405722-10887-2-git-send-email-lpetrut@cloudbasesolutions.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 15/05/2018 19:35, petrutlucian94@gmail.com wrote: > From: Lucian Petrut <lpetrut@cloudbasesolutions.com> > > We're currently linking against import libraries of the WHP DLLs. > > By dynamically loading the libraries, we ensure that QEMU will work > on previous Windows versions, where the WHP DLLs will be missing > (assuming that WHP is not requested). > > Also, we're simplifying the build process, as we no longer require > the import libraries. > > Signed-off-by: Alessandro Pilotti <apilotti@cloudbasesolutions.com> > Signed-off-by: Justin Terry (VM) <juterry@microsoft.com> > Signed-off-by: Lucian Petrut <lpetrut@cloudbasesolutions.com> Queued, thanks. Paolo > --- > configure | 15 +-- > target/i386/whp-dispatch.h | 56 ++++++++++++ > target/i386/whpx-all.c | 222 ++++++++++++++++++++++++++++++--------------- > 3 files changed, 206 insertions(+), 87 deletions(-) > create mode 100644 target/i386/whp-dispatch.h > > diff --git a/configure b/configure > index 59f91ab..fc432cf 100755 > --- a/configure > +++ b/configure > @@ -2524,20 +2524,7 @@ fi > ########################################## > # Windows Hypervisor Platform accelerator (WHPX) check > if test "$whpx" != "no" ; then > - cat > $TMPC << EOF > -#include <windows.h> > -#include <WinHvPlatform.h> > -#include <WinHvEmulation.h> > -int main(void) { > - WHV_CAPABILITY whpx_cap; > - UINT32 writtenSize; > - WHvGetCapability(WHvCapabilityCodeFeatures, &whpx_cap, sizeof(whpx_cap), > - &writtenSize); > - return 0; > -} > -EOF > - if compile_prog "" "-lWinHvPlatform -lWinHvEmulation" ; then > - libs_softmmu="$libs_softmmu -lWinHvPlatform -lWinHvEmulation" > + if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then > whpx="yes" > else > if test "$whpx" = "yes"; then > diff --git a/target/i386/whp-dispatch.h b/target/i386/whp-dispatch.h > new file mode 100644 > index 0000000..d8d3485 > --- /dev/null > +++ b/target/i386/whp-dispatch.h > @@ -0,0 +1,56 @@ > +#include "windows.h" > +#include <stdbool.h> > + > +#include <WinHvPlatform.h> > +#include <WinHvEmulation.h> > + > +#ifndef WHP_DISPATCH_H > +#define WHP_DISPATCH_H > + > + > +#define LIST_WINHVPLATFORM_FUNCTIONS(X) \ > + X(HRESULT, WHvGetCapability, (WHV_CAPABILITY_CODE CapabilityCode, VOID* CapabilityBuffer, UINT32 CapabilityBufferSizeInBytes, UINT32* WrittenSizeInBytes)) \ > + X(HRESULT, WHvCreatePartition, (WHV_PARTITION_HANDLE* Partition)) \ > + X(HRESULT, WHvSetupPartition, (WHV_PARTITION_HANDLE Partition)) \ > + X(HRESULT, WHvDeletePartition, (WHV_PARTITION_HANDLE Partition)) \ > + X(HRESULT, WHvGetPartitionProperty, (WHV_PARTITION_HANDLE Partition, WHV_PARTITION_PROPERTY_CODE PropertyCode, VOID* PropertyBuffer, UINT32 PropertyBufferSizeInBytes, UINT32* WrittenSizeInBytes)) \ > + X(HRESULT, WHvSetPartitionProperty, (WHV_PARTITION_HANDLE Partition, WHV_PARTITION_PROPERTY_CODE PropertyCode, const VOID* PropertyBuffer, UINT32 PropertyBufferSizeInBytes)) \ > + X(HRESULT, WHvMapGpaRange, (WHV_PARTITION_HANDLE Partition, VOID* SourceAddress, WHV_GUEST_PHYSICAL_ADDRESS GuestAddress, UINT64 SizeInBytes, WHV_MAP_GPA_RANGE_FLAGS Flags)) \ > + X(HRESULT, WHvUnmapGpaRange, (WHV_PARTITION_HANDLE Partition, WHV_GUEST_PHYSICAL_ADDRESS GuestAddress, UINT64 SizeInBytes)) \ > + X(HRESULT, WHvTranslateGva, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, WHV_GUEST_VIRTUAL_ADDRESS Gva, WHV_TRANSLATE_GVA_FLAGS TranslateFlags, WHV_TRANSLATE_GVA_RESULT* TranslationResult, WHV_GUEST_PHYSICAL_ADDRESS* Gpa)) \ > + X(HRESULT, WHvCreateVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, UINT32 Flags)) \ > + X(HRESULT, WHvDeleteVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex)) \ > + X(HRESULT, WHvRunVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, VOID* ExitContext, UINT32 ExitContextSizeInBytes)) \ > + X(HRESULT, WHvCancelRunVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, UINT32 Flags)) \ > + X(HRESULT, WHvGetVirtualProcessorRegisters, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, const WHV_REGISTER_NAME* RegisterNames, UINT32 RegisterCount, WHV_REGISTER_VALUE* RegisterValues)) \ > + X(HRESULT, WHvSetVirtualProcessorRegisters, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, const WHV_REGISTER_NAME* RegisterNames, UINT32 RegisterCount, const WHV_REGISTER_VALUE* RegisterValues)) \ > + > + > +#define LIST_WINHVEMULATION_FUNCTIONS(X) \ > + X(HRESULT, WHvEmulatorCreateEmulator, (const WHV_EMULATOR_CALLBACKS* Callbacks, WHV_EMULATOR_HANDLE* Emulator)) \ > + X(HRESULT, WHvEmulatorDestroyEmulator, (WHV_EMULATOR_HANDLE Emulator)) \ > + X(HRESULT, WHvEmulatorTryIoEmulation, (WHV_EMULATOR_HANDLE Emulator, VOID* Context, const WHV_VP_EXIT_CONTEXT* VpContext, const WHV_X64_IO_PORT_ACCESS_CONTEXT* IoInstructionContext, WHV_EMULATOR_STATUS* EmulatorReturnStatus)) \ > + X(HRESULT, WHvEmulatorTryMmioEmulation, (WHV_EMULATOR_HANDLE Emulator, VOID* Context, const WHV_VP_EXIT_CONTEXT* VpContext, const WHV_MEMORY_ACCESS_CONTEXT* MmioInstructionContext, WHV_EMULATOR_STATUS* EmulatorReturnStatus)) \ > + > + > +#define WHP_DEFINE_TYPE(return_type, function_name, signature) \ > + typedef return_type (WINAPI *function_name ## _t) signature; > + > +#define WHP_DECLARE_MEMBER(return_type, function_name, signature) \ > + function_name ## _t function_name; > + > +/* Define function typedef */ > +LIST_WINHVPLATFORM_FUNCTIONS(WHP_DEFINE_TYPE) > +LIST_WINHVEMULATION_FUNCTIONS(WHP_DEFINE_TYPE) > + > +struct WHPDispatch { > + LIST_WINHVPLATFORM_FUNCTIONS(WHP_DECLARE_MEMBER) > + LIST_WINHVEMULATION_FUNCTIONS(WHP_DECLARE_MEMBER) > +}; > + > +extern struct WHPDispatch whp_dispatch; > + > +bool init_whp_dispatch(void); > + > + > +#endif /* WHP_DISPATCH_H */ > diff --git a/target/i386/whpx-all.c b/target/i386/whpx-all.c > index 64ef79a..0a29d56 100644 > --- a/target/i386/whpx-all.c > +++ b/target/i386/whpx-all.c > @@ -25,6 +25,7 @@ > #include "qemu/queue.h" > #include "qapi/error.h" > #include "migration/blocker.h" > +#include "whp-dispatch.h" > > #include <WinHvPlatform.h> > #include <WinHvEmulation.h> > @@ -162,8 +163,11 @@ struct whpx_vcpu { > }; > > static bool whpx_allowed; > +static bool whp_dispatch_initialized; > +static HMODULE hWinHvPlatform, hWinHvEmulation; > > struct whpx_state whpx_global; > +struct WHPDispatch whp_dispatch; > > > /* > @@ -357,10 +361,11 @@ static void whpx_set_registers(CPUState *cpu) > > assert(idx == RTL_NUMBER_OF(whpx_register_names)); > > - hr = WHvSetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index, > - whpx_register_names, > - RTL_NUMBER_OF(whpx_register_names), > - &vcxt.values[0]); > + hr = whp_dispatch.WHvSetVirtualProcessorRegisters( > + whpx->partition, cpu->cpu_index, > + whpx_register_names, > + RTL_NUMBER_OF(whpx_register_names), > + &vcxt.values[0]); > > if (FAILED(hr)) { > error_report("WHPX: Failed to set virtual processor context, hr=%08lx", > @@ -384,10 +389,11 @@ static void whpx_get_registers(CPUState *cpu) > > assert(cpu_is_stopped(cpu) || qemu_cpu_is_self(cpu)); > > - hr = WHvGetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index, > - whpx_register_names, > - RTL_NUMBER_OF(whpx_register_names), > - &vcxt.values[0]); > + hr = whp_dispatch.WHvGetVirtualProcessorRegisters( > + whpx->partition, cpu->cpu_index, > + whpx_register_names, > + RTL_NUMBER_OF(whpx_register_names), > + &vcxt.values[0]); > if (FAILED(hr)) { > error_report("WHPX: Failed to get virtual processor context, hr=%08lx", > hr); > @@ -547,9 +553,10 @@ static HRESULT CALLBACK whpx_emu_getreg_callback( > struct whpx_state *whpx = &whpx_global; > CPUState *cpu = (CPUState *)ctx; > > - hr = WHvGetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index, > - RegisterNames, RegisterCount, > - RegisterValues); > + hr = whp_dispatch.WHvGetVirtualProcessorRegisters( > + whpx->partition, cpu->cpu_index, > + RegisterNames, RegisterCount, > + RegisterValues); > if (FAILED(hr)) { > error_report("WHPX: Failed to get virtual processor registers," > " hr=%08lx", hr); > @@ -568,9 +575,10 @@ static HRESULT CALLBACK whpx_emu_setreg_callback( > struct whpx_state *whpx = &whpx_global; > CPUState *cpu = (CPUState *)ctx; > > - hr = WHvSetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index, > - RegisterNames, RegisterCount, > - RegisterValues); > + hr = whp_dispatch.WHvSetVirtualProcessorRegisters( > + whpx->partition, cpu->cpu_index, > + RegisterNames, RegisterCount, > + RegisterValues); > if (FAILED(hr)) { > error_report("WHPX: Failed to set virtual processor registers," > " hr=%08lx", hr); > @@ -597,8 +605,8 @@ static HRESULT CALLBACK whpx_emu_translate_callback( > CPUState *cpu = (CPUState *)ctx; > WHV_TRANSLATE_GVA_RESULT res; > > - hr = WHvTranslateGva(whpx->partition, cpu->cpu_index, > - Gva, TranslateFlags, &res, Gpa); > + hr = whp_dispatch.WHvTranslateGva(whpx->partition, cpu->cpu_index, > + Gva, TranslateFlags, &res, Gpa); > if (FAILED(hr)) { > error_report("WHPX: Failed to translate GVA, hr=%08lx", hr); > } else { > @@ -623,16 +631,18 @@ static int whpx_handle_mmio(CPUState *cpu, WHV_MEMORY_ACCESS_CONTEXT *ctx) > struct whpx_vcpu *vcpu = get_whpx_vcpu(cpu); > WHV_EMULATOR_STATUS emu_status; > > - hr = WHvEmulatorTryMmioEmulation(vcpu->emulator, cpu, > - &vcpu->exit_ctx.VpContext, ctx, > - &emu_status); > + hr = whp_dispatch.WHvEmulatorTryMmioEmulation( > + vcpu->emulator, cpu, > + &vcpu->exit_ctx.VpContext, ctx, > + &emu_status); > if (FAILED(hr)) { > error_report("WHPX: Failed to parse MMIO access, hr=%08lx", hr); > return -1; > } > > if (!emu_status.EmulationSuccessful) { > - error_report("WHPX: Failed to emulate MMIO access"); > + error_report("WHPX: Failed to emulate MMIO access with" > + " EmulatorReturnStatus: %u", emu_status.AsUINT32); > return -1; > } > > @@ -646,16 +656,18 @@ static int whpx_handle_portio(CPUState *cpu, > struct whpx_vcpu *vcpu = get_whpx_vcpu(cpu); > WHV_EMULATOR_STATUS emu_status; > > - hr = WHvEmulatorTryIoEmulation(vcpu->emulator, cpu, > - &vcpu->exit_ctx.VpContext, ctx, > - &emu_status); > + hr = whp_dispatch.WHvEmulatorTryIoEmulation( > + vcpu->emulator, cpu, > + &vcpu->exit_ctx.VpContext, ctx, > + &emu_status); > if (FAILED(hr)) { > error_report("WHPX: Failed to parse PortIO access, hr=%08lx", hr); > return -1; > } > > if (!emu_status.EmulationSuccessful) { > - error_report("WHPX: Failed to emulate PortMMIO access"); > + error_report("WHPX: Failed to emulate PortIO access with" > + " EmulatorReturnStatus: %u", emu_status.AsUINT32); > return -1; > } > > @@ -770,8 +782,9 @@ static void whpx_vcpu_pre_run(CPUState *cpu) > qemu_mutex_unlock_iothread(); > > if (reg_count) { > - hr = WHvSetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index, > - reg_names, reg_count, reg_values); > + hr = whp_dispatch.WHvSetVirtualProcessorRegisters( > + whpx->partition, cpu->cpu_index, > + reg_names, reg_count, reg_values); > if (FAILED(hr)) { > error_report("WHPX: Failed to set interrupt state registers," > " hr=%08lx", hr); > @@ -879,8 +892,9 @@ static int whpx_vcpu_run(CPUState *cpu) > whpx_vcpu_kick(cpu); > } > > - hr = WHvRunVirtualProcessor(whpx->partition, cpu->cpu_index, > - &vcpu->exit_ctx, sizeof(vcpu->exit_ctx)); > + hr = whp_dispatch.WHvRunVirtualProcessor( > + whpx->partition, cpu->cpu_index, > + &vcpu->exit_ctx, sizeof(vcpu->exit_ctx)); > > if (FAILED(hr)) { > error_report("WHPX: Failed to exec a virtual processor," > @@ -951,11 +965,11 @@ static int whpx_vcpu_run(CPUState *cpu) > reg_values[3].Reg64 = rdx; > reg_values[4].Reg64 = rbx; > > - hr = WHvSetVirtualProcessorRegisters(whpx->partition, > - cpu->cpu_index, > - reg_names, > - reg_count, > - reg_values); > + hr = whp_dispatch.WHvSetVirtualProcessorRegisters( > + whpx->partition, cpu->cpu_index, > + reg_names, > + reg_count, > + reg_values); > > if (FAILED(hr)) { > error_report("WHPX: Failed to set CpuidAccess state registers," > @@ -1067,8 +1081,8 @@ int whpx_init_vcpu(CPUState *cpu) > (void)migrate_add_blocker(whpx_migration_blocker, &local_error); > if (local_error) { > error_report_err(local_error); > - error_free(whpx_migration_blocker); > migrate_del_blocker(whpx_migration_blocker); > + error_free(whpx_migration_blocker); > return -EINVAL; > } > } > @@ -1080,7 +1094,9 @@ int whpx_init_vcpu(CPUState *cpu) > return -ENOMEM; > } > > - hr = WHvEmulatorCreateEmulator(&whpx_emu_callbacks, &vcpu->emulator); > + hr = whp_dispatch.WHvEmulatorCreateEmulator( > + &whpx_emu_callbacks, > + &vcpu->emulator); > if (FAILED(hr)) { > error_report("WHPX: Failed to setup instruction completion support," > " hr=%08lx", hr); > @@ -1088,11 +1104,12 @@ int whpx_init_vcpu(CPUState *cpu) > return -EINVAL; > } > > - hr = WHvCreateVirtualProcessor(whpx->partition, cpu->cpu_index, 0); > + hr = whp_dispatch.WHvCreateVirtualProcessor( > + whpx->partition, cpu->cpu_index, 0); > if (FAILED(hr)) { > error_report("WHPX: Failed to create a virtual processor," > " hr=%08lx", hr); > - WHvEmulatorDestroyEmulator(vcpu->emulator); > + whp_dispatch.WHvEmulatorDestroyEmulator(vcpu->emulator); > g_free(vcpu); > return -EINVAL; > } > @@ -1133,8 +1150,8 @@ void whpx_destroy_vcpu(CPUState *cpu) > struct whpx_state *whpx = &whpx_global; > struct whpx_vcpu *vcpu = get_whpx_vcpu(cpu); > > - WHvDeleteVirtualProcessor(whpx->partition, cpu->cpu_index); > - WHvEmulatorDestroyEmulator(vcpu->emulator); > + whp_dispatch.WHvDeleteVirtualProcessor(whpx->partition, cpu->cpu_index); > + whp_dispatch.WHvEmulatorDestroyEmulator(vcpu->emulator); > g_free(cpu->hax_vcpu); > return; > } > @@ -1142,7 +1159,8 @@ void whpx_destroy_vcpu(CPUState *cpu) > void whpx_vcpu_kick(CPUState *cpu) > { > struct whpx_state *whpx = &whpx_global; > - WHvCancelRunVirtualProcessor(whpx->partition, cpu->cpu_index, 0); > + whp_dispatch.WHvCancelRunVirtualProcessor( > + whpx->partition, cpu->cpu_index, 0); > } > > /* > @@ -1168,17 +1186,17 @@ static void whpx_update_mapping(hwaddr start_pa, ram_addr_t size, > */ > > if (add) { > - hr = WHvMapGpaRange(whpx->partition, > - host_va, > - start_pa, > - size, > - (WHvMapGpaRangeFlagRead | > - WHvMapGpaRangeFlagExecute | > - (rom ? 0 : WHvMapGpaRangeFlagWrite))); > + hr = whp_dispatch.WHvMapGpaRange(whpx->partition, > + host_va, > + start_pa, > + size, > + (WHvMapGpaRangeFlagRead | > + WHvMapGpaRangeFlagExecute | > + (rom ? 0 : WHvMapGpaRangeFlagWrite))); > } else { > - hr = WHvUnmapGpaRange(whpx->partition, > - start_pa, > - size); > + hr = whp_dispatch.WHvUnmapGpaRange(whpx->partition, > + start_pa, > + size); > } > > if (FAILED(hr)) { > @@ -1292,18 +1310,24 @@ static int whpx_accel_init(MachineState *ms) > > whpx = &whpx_global; > > + if (!init_whp_dispatch()) { > + ret = -ENOSYS; > + goto error; > + } > + > memset(whpx, 0, sizeof(struct whpx_state)); > whpx->mem_quota = ms->ram_size; > > - hr = WHvGetCapability(WHvCapabilityCodeHypervisorPresent, &whpx_cap, > - sizeof(whpx_cap), &whpx_cap_size); > + hr = whp_dispatch.WHvGetCapability( > + WHvCapabilityCodeHypervisorPresent, &whpx_cap, > + sizeof(whpx_cap), &whpx_cap_size); > if (FAILED(hr) || !whpx_cap.HypervisorPresent) { > error_report("WHPX: No accelerator found, hr=%08lx", hr); > ret = -ENOSPC; > goto error; > } > > - hr = WHvCreatePartition(&whpx->partition); > + hr = whp_dispatch.WHvCreatePartition(&whpx->partition); > if (FAILED(hr)) { > error_report("WHPX: Failed to create partition, hr=%08lx", hr); > ret = -EINVAL; > @@ -1312,10 +1336,11 @@ static int whpx_accel_init(MachineState *ms) > > memset(&prop, 0, sizeof(WHV_PARTITION_PROPERTY)); > prop.ProcessorCount = smp_cpus; > - hr = WHvSetPartitionProperty(whpx->partition, > - WHvPartitionPropertyCodeProcessorCount, > - &prop, > - sizeof(WHV_PARTITION_PROPERTY)); > + hr = whp_dispatch.WHvSetPartitionProperty( > + whpx->partition, > + WHvPartitionPropertyCodeProcessorCount, > + &prop, > + sizeof(WHV_PARTITION_PROPERTY)); > > if (FAILED(hr)) { > error_report("WHPX: Failed to set partition core count to %d," > @@ -1326,10 +1351,11 @@ static int whpx_accel_init(MachineState *ms) > > memset(&prop, 0, sizeof(WHV_PARTITION_PROPERTY)); > prop.ExtendedVmExits.X64CpuidExit = 1; > - hr = WHvSetPartitionProperty(whpx->partition, > - WHvPartitionPropertyCodeExtendedVmExits, > - &prop, > - sizeof(WHV_PARTITION_PROPERTY)); > + hr = whp_dispatch.WHvSetPartitionProperty( > + whpx->partition, > + WHvPartitionPropertyCodeExtendedVmExits, > + &prop, > + sizeof(WHV_PARTITION_PROPERTY)); > > if (FAILED(hr)) { > error_report("WHPX: Failed to enable partition extended X64CpuidExit" > @@ -1339,11 +1365,11 @@ static int whpx_accel_init(MachineState *ms) > } > > UINT32 cpuidExitList[] = {1}; > - hr = WHvSetPartitionProperty(whpx->partition, > - WHvPartitionPropertyCodeCpuidExitList, > - cpuidExitList, > - RTL_NUMBER_OF(cpuidExitList) * sizeof(UINT32)); > - > + hr = whp_dispatch.WHvSetPartitionProperty( > + whpx->partition, > + WHvPartitionPropertyCodeCpuidExitList, > + cpuidExitList, > + RTL_NUMBER_OF(cpuidExitList) * sizeof(UINT32)); > if (FAILED(hr)) { > error_report("WHPX: Failed to set partition CpuidExitList hr=%08lx", > hr); > @@ -1360,11 +1386,11 @@ static int whpx_accel_init(MachineState *ms) > cpuidResultList[0].Ebx = signature[0]; > cpuidResultList[0].Ecx = signature[1]; > cpuidResultList[0].Edx = signature[2]; > - hr = WHvSetPartitionProperty(whpx->partition, > - WHvPartitionPropertyCodeCpuidResultList, > - cpuidResultList, > - RTL_NUMBER_OF(cpuidResultList) * > - sizeof(WHV_X64_CPUID_RESULT)); > + hr = whp_dispatch.WHvSetPartitionProperty( > + whpx->partition, > + WHvPartitionPropertyCodeCpuidResultList, > + cpuidResultList, > + RTL_NUMBER_OF(cpuidResultList) * sizeof(WHV_X64_CPUID_RESULT)); > if (FAILED(hr)) { > error_report("WHPX: Failed to set partition CpuidResultList hr=%08lx", > hr); > @@ -1372,7 +1398,7 @@ static int whpx_accel_init(MachineState *ms) > goto error; > } > > - hr = WHvSetupPartition(whpx->partition); > + hr = whp_dispatch.WHvSetupPartition(whpx->partition); > if (FAILED(hr)) { > error_report("WHPX: Failed to setup partition, hr=%08lx", hr); > ret = -EINVAL; > @@ -1389,7 +1415,7 @@ static int whpx_accel_init(MachineState *ms) > error: > > if (NULL != whpx->partition) { > - WHvDeletePartition(whpx->partition); > + whp_dispatch.WHvDeletePartition(whpx->partition); > whpx->partition = NULL; > } > > @@ -1421,4 +1447,54 @@ static void whpx_type_init(void) > type_register_static(&whpx_accel_type); > } > > +bool init_whp_dispatch(void) > +{ > + const char *lib_name; > + HMODULE hLib; > + > + if (whp_dispatch_initialized) { > + return true; > + } > + > + #define WHP_LOAD_FIELD(return_type, function_name, signature) \ > + whp_dispatch.function_name = \ > + (function_name ## _t)GetProcAddress(hLib, #function_name); \ > + if (!whp_dispatch.function_name) { \ > + error_report("Could not load function %s from library %s.", \ > + #function_name, lib_name); \ > + goto error; \ > + } \ > + > + lib_name = "WinHvPlatform.dll"; > + hWinHvPlatform = LoadLibrary(lib_name); > + if (!hWinHvPlatform) { > + error_report("Could not load library %s.", lib_name); > + goto error; > + } > + hLib = hWinHvPlatform; > + LIST_WINHVPLATFORM_FUNCTIONS(WHP_LOAD_FIELD) > + > + lib_name = "WinHvEmulation.dll"; > + hWinHvEmulation = LoadLibrary(lib_name); > + if (!hWinHvEmulation) { > + error_report("Could not load library %s.", lib_name); > + goto error; > + } > + hLib = hWinHvEmulation; > + LIST_WINHVEMULATION_FUNCTIONS(WHP_LOAD_FIELD) > + > + whp_dispatch_initialized = true; > + return true; > + > + error: > + > + if (hWinHvPlatform) { > + FreeLibrary(hWinHvPlatform); > + } > + if (hWinHvEmulation) { > + FreeLibrary(hWinHvEmulation); > + } > + return false; > +} > + > type_init(whpx_type_init); >
diff --git a/configure b/configure index 59f91ab..fc432cf 100755 --- a/configure +++ b/configure @@ -2524,20 +2524,7 @@ fi ########################################## # Windows Hypervisor Platform accelerator (WHPX) check if test "$whpx" != "no" ; then - cat > $TMPC << EOF -#include <windows.h> -#include <WinHvPlatform.h> -#include <WinHvEmulation.h> -int main(void) { - WHV_CAPABILITY whpx_cap; - UINT32 writtenSize; - WHvGetCapability(WHvCapabilityCodeFeatures, &whpx_cap, sizeof(whpx_cap), - &writtenSize); - return 0; -} -EOF - if compile_prog "" "-lWinHvPlatform -lWinHvEmulation" ; then - libs_softmmu="$libs_softmmu -lWinHvPlatform -lWinHvEmulation" + if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then whpx="yes" else if test "$whpx" = "yes"; then diff --git a/target/i386/whp-dispatch.h b/target/i386/whp-dispatch.h new file mode 100644 index 0000000..d8d3485 --- /dev/null +++ b/target/i386/whp-dispatch.h @@ -0,0 +1,56 @@ +#include "windows.h" +#include <stdbool.h> + +#include <WinHvPlatform.h> +#include <WinHvEmulation.h> + +#ifndef WHP_DISPATCH_H +#define WHP_DISPATCH_H + + +#define LIST_WINHVPLATFORM_FUNCTIONS(X) \ + X(HRESULT, WHvGetCapability, (WHV_CAPABILITY_CODE CapabilityCode, VOID* CapabilityBuffer, UINT32 CapabilityBufferSizeInBytes, UINT32* WrittenSizeInBytes)) \ + X(HRESULT, WHvCreatePartition, (WHV_PARTITION_HANDLE* Partition)) \ + X(HRESULT, WHvSetupPartition, (WHV_PARTITION_HANDLE Partition)) \ + X(HRESULT, WHvDeletePartition, (WHV_PARTITION_HANDLE Partition)) \ + X(HRESULT, WHvGetPartitionProperty, (WHV_PARTITION_HANDLE Partition, WHV_PARTITION_PROPERTY_CODE PropertyCode, VOID* PropertyBuffer, UINT32 PropertyBufferSizeInBytes, UINT32* WrittenSizeInBytes)) \ + X(HRESULT, WHvSetPartitionProperty, (WHV_PARTITION_HANDLE Partition, WHV_PARTITION_PROPERTY_CODE PropertyCode, const VOID* PropertyBuffer, UINT32 PropertyBufferSizeInBytes)) \ + X(HRESULT, WHvMapGpaRange, (WHV_PARTITION_HANDLE Partition, VOID* SourceAddress, WHV_GUEST_PHYSICAL_ADDRESS GuestAddress, UINT64 SizeInBytes, WHV_MAP_GPA_RANGE_FLAGS Flags)) \ + X(HRESULT, WHvUnmapGpaRange, (WHV_PARTITION_HANDLE Partition, WHV_GUEST_PHYSICAL_ADDRESS GuestAddress, UINT64 SizeInBytes)) \ + X(HRESULT, WHvTranslateGva, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, WHV_GUEST_VIRTUAL_ADDRESS Gva, WHV_TRANSLATE_GVA_FLAGS TranslateFlags, WHV_TRANSLATE_GVA_RESULT* TranslationResult, WHV_GUEST_PHYSICAL_ADDRESS* Gpa)) \ + X(HRESULT, WHvCreateVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, UINT32 Flags)) \ + X(HRESULT, WHvDeleteVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex)) \ + X(HRESULT, WHvRunVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, VOID* ExitContext, UINT32 ExitContextSizeInBytes)) \ + X(HRESULT, WHvCancelRunVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, UINT32 Flags)) \ + X(HRESULT, WHvGetVirtualProcessorRegisters, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, const WHV_REGISTER_NAME* RegisterNames, UINT32 RegisterCount, WHV_REGISTER_VALUE* RegisterValues)) \ + X(HRESULT, WHvSetVirtualProcessorRegisters, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, const WHV_REGISTER_NAME* RegisterNames, UINT32 RegisterCount, const WHV_REGISTER_VALUE* RegisterValues)) \ + + +#define LIST_WINHVEMULATION_FUNCTIONS(X) \ + X(HRESULT, WHvEmulatorCreateEmulator, (const WHV_EMULATOR_CALLBACKS* Callbacks, WHV_EMULATOR_HANDLE* Emulator)) \ + X(HRESULT, WHvEmulatorDestroyEmulator, (WHV_EMULATOR_HANDLE Emulator)) \ + X(HRESULT, WHvEmulatorTryIoEmulation, (WHV_EMULATOR_HANDLE Emulator, VOID* Context, const WHV_VP_EXIT_CONTEXT* VpContext, const WHV_X64_IO_PORT_ACCESS_CONTEXT* IoInstructionContext, WHV_EMULATOR_STATUS* EmulatorReturnStatus)) \ + X(HRESULT, WHvEmulatorTryMmioEmulation, (WHV_EMULATOR_HANDLE Emulator, VOID* Context, const WHV_VP_EXIT_CONTEXT* VpContext, const WHV_MEMORY_ACCESS_CONTEXT* MmioInstructionContext, WHV_EMULATOR_STATUS* EmulatorReturnStatus)) \ + + +#define WHP_DEFINE_TYPE(return_type, function_name, signature) \ + typedef return_type (WINAPI *function_name ## _t) signature; + +#define WHP_DECLARE_MEMBER(return_type, function_name, signature) \ + function_name ## _t function_name; + +/* Define function typedef */ +LIST_WINHVPLATFORM_FUNCTIONS(WHP_DEFINE_TYPE) +LIST_WINHVEMULATION_FUNCTIONS(WHP_DEFINE_TYPE) + +struct WHPDispatch { + LIST_WINHVPLATFORM_FUNCTIONS(WHP_DECLARE_MEMBER) + LIST_WINHVEMULATION_FUNCTIONS(WHP_DECLARE_MEMBER) +}; + +extern struct WHPDispatch whp_dispatch; + +bool init_whp_dispatch(void); + + +#endif /* WHP_DISPATCH_H */ diff --git a/target/i386/whpx-all.c b/target/i386/whpx-all.c index 64ef79a..0a29d56 100644 --- a/target/i386/whpx-all.c +++ b/target/i386/whpx-all.c @@ -25,6 +25,7 @@ #include "qemu/queue.h" #include "qapi/error.h" #include "migration/blocker.h" +#include "whp-dispatch.h" #include <WinHvPlatform.h> #include <WinHvEmulation.h> @@ -162,8 +163,11 @@ struct whpx_vcpu { }; static bool whpx_allowed; +static bool whp_dispatch_initialized; +static HMODULE hWinHvPlatform, hWinHvEmulation; struct whpx_state whpx_global; +struct WHPDispatch whp_dispatch; /* @@ -357,10 +361,11 @@ static void whpx_set_registers(CPUState *cpu) assert(idx == RTL_NUMBER_OF(whpx_register_names)); - hr = WHvSetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index, - whpx_register_names, - RTL_NUMBER_OF(whpx_register_names), - &vcxt.values[0]); + hr = whp_dispatch.WHvSetVirtualProcessorRegisters( + whpx->partition, cpu->cpu_index, + whpx_register_names, + RTL_NUMBER_OF(whpx_register_names), + &vcxt.values[0]); if (FAILED(hr)) { error_report("WHPX: Failed to set virtual processor context, hr=%08lx", @@ -384,10 +389,11 @@ static void whpx_get_registers(CPUState *cpu) assert(cpu_is_stopped(cpu) || qemu_cpu_is_self(cpu)); - hr = WHvGetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index, - whpx_register_names, - RTL_NUMBER_OF(whpx_register_names), - &vcxt.values[0]); + hr = whp_dispatch.WHvGetVirtualProcessorRegisters( + whpx->partition, cpu->cpu_index, + whpx_register_names, + RTL_NUMBER_OF(whpx_register_names), + &vcxt.values[0]); if (FAILED(hr)) { error_report("WHPX: Failed to get virtual processor context, hr=%08lx", hr); @@ -547,9 +553,10 @@ static HRESULT CALLBACK whpx_emu_getreg_callback( struct whpx_state *whpx = &whpx_global; CPUState *cpu = (CPUState *)ctx; - hr = WHvGetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index, - RegisterNames, RegisterCount, - RegisterValues); + hr = whp_dispatch.WHvGetVirtualProcessorRegisters( + whpx->partition, cpu->cpu_index, + RegisterNames, RegisterCount, + RegisterValues); if (FAILED(hr)) { error_report("WHPX: Failed to get virtual processor registers," " hr=%08lx", hr); @@ -568,9 +575,10 @@ static HRESULT CALLBACK whpx_emu_setreg_callback( struct whpx_state *whpx = &whpx_global; CPUState *cpu = (CPUState *)ctx; - hr = WHvSetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index, - RegisterNames, RegisterCount, - RegisterValues); + hr = whp_dispatch.WHvSetVirtualProcessorRegisters( + whpx->partition, cpu->cpu_index, + RegisterNames, RegisterCount, + RegisterValues); if (FAILED(hr)) { error_report("WHPX: Failed to set virtual processor registers," " hr=%08lx", hr); @@ -597,8 +605,8 @@ static HRESULT CALLBACK whpx_emu_translate_callback( CPUState *cpu = (CPUState *)ctx; WHV_TRANSLATE_GVA_RESULT res; - hr = WHvTranslateGva(whpx->partition, cpu->cpu_index, - Gva, TranslateFlags, &res, Gpa); + hr = whp_dispatch.WHvTranslateGva(whpx->partition, cpu->cpu_index, + Gva, TranslateFlags, &res, Gpa); if (FAILED(hr)) { error_report("WHPX: Failed to translate GVA, hr=%08lx", hr); } else { @@ -623,16 +631,18 @@ static int whpx_handle_mmio(CPUState *cpu, WHV_MEMORY_ACCESS_CONTEXT *ctx) struct whpx_vcpu *vcpu = get_whpx_vcpu(cpu); WHV_EMULATOR_STATUS emu_status; - hr = WHvEmulatorTryMmioEmulation(vcpu->emulator, cpu, - &vcpu->exit_ctx.VpContext, ctx, - &emu_status); + hr = whp_dispatch.WHvEmulatorTryMmioEmulation( + vcpu->emulator, cpu, + &vcpu->exit_ctx.VpContext, ctx, + &emu_status); if (FAILED(hr)) { error_report("WHPX: Failed to parse MMIO access, hr=%08lx", hr); return -1; } if (!emu_status.EmulationSuccessful) { - error_report("WHPX: Failed to emulate MMIO access"); + error_report("WHPX: Failed to emulate MMIO access with" + " EmulatorReturnStatus: %u", emu_status.AsUINT32); return -1; } @@ -646,16 +656,18 @@ static int whpx_handle_portio(CPUState *cpu, struct whpx_vcpu *vcpu = get_whpx_vcpu(cpu); WHV_EMULATOR_STATUS emu_status; - hr = WHvEmulatorTryIoEmulation(vcpu->emulator, cpu, - &vcpu->exit_ctx.VpContext, ctx, - &emu_status); + hr = whp_dispatch.WHvEmulatorTryIoEmulation( + vcpu->emulator, cpu, + &vcpu->exit_ctx.VpContext, ctx, + &emu_status); if (FAILED(hr)) { error_report("WHPX: Failed to parse PortIO access, hr=%08lx", hr); return -1; } if (!emu_status.EmulationSuccessful) { - error_report("WHPX: Failed to emulate PortMMIO access"); + error_report("WHPX: Failed to emulate PortIO access with" + " EmulatorReturnStatus: %u", emu_status.AsUINT32); return -1; } @@ -770,8 +782,9 @@ static void whpx_vcpu_pre_run(CPUState *cpu) qemu_mutex_unlock_iothread(); if (reg_count) { - hr = WHvSetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index, - reg_names, reg_count, reg_values); + hr = whp_dispatch.WHvSetVirtualProcessorRegisters( + whpx->partition, cpu->cpu_index, + reg_names, reg_count, reg_values); if (FAILED(hr)) { error_report("WHPX: Failed to set interrupt state registers," " hr=%08lx", hr); @@ -879,8 +892,9 @@ static int whpx_vcpu_run(CPUState *cpu) whpx_vcpu_kick(cpu); } - hr = WHvRunVirtualProcessor(whpx->partition, cpu->cpu_index, - &vcpu->exit_ctx, sizeof(vcpu->exit_ctx)); + hr = whp_dispatch.WHvRunVirtualProcessor( + whpx->partition, cpu->cpu_index, + &vcpu->exit_ctx, sizeof(vcpu->exit_ctx)); if (FAILED(hr)) { error_report("WHPX: Failed to exec a virtual processor," @@ -951,11 +965,11 @@ static int whpx_vcpu_run(CPUState *cpu) reg_values[3].Reg64 = rdx; reg_values[4].Reg64 = rbx; - hr = WHvSetVirtualProcessorRegisters(whpx->partition, - cpu->cpu_index, - reg_names, - reg_count, - reg_values); + hr = whp_dispatch.WHvSetVirtualProcessorRegisters( + whpx->partition, cpu->cpu_index, + reg_names, + reg_count, + reg_values); if (FAILED(hr)) { error_report("WHPX: Failed to set CpuidAccess state registers," @@ -1067,8 +1081,8 @@ int whpx_init_vcpu(CPUState *cpu) (void)migrate_add_blocker(whpx_migration_blocker, &local_error); if (local_error) { error_report_err(local_error); - error_free(whpx_migration_blocker); migrate_del_blocker(whpx_migration_blocker); + error_free(whpx_migration_blocker); return -EINVAL; } } @@ -1080,7 +1094,9 @@ int whpx_init_vcpu(CPUState *cpu) return -ENOMEM; } - hr = WHvEmulatorCreateEmulator(&whpx_emu_callbacks, &vcpu->emulator); + hr = whp_dispatch.WHvEmulatorCreateEmulator( + &whpx_emu_callbacks, + &vcpu->emulator); if (FAILED(hr)) { error_report("WHPX: Failed to setup instruction completion support," " hr=%08lx", hr); @@ -1088,11 +1104,12 @@ int whpx_init_vcpu(CPUState *cpu) return -EINVAL; } - hr = WHvCreateVirtualProcessor(whpx->partition, cpu->cpu_index, 0); + hr = whp_dispatch.WHvCreateVirtualProcessor( + whpx->partition, cpu->cpu_index, 0); if (FAILED(hr)) { error_report("WHPX: Failed to create a virtual processor," " hr=%08lx", hr); - WHvEmulatorDestroyEmulator(vcpu->emulator); + whp_dispatch.WHvEmulatorDestroyEmulator(vcpu->emulator); g_free(vcpu); return -EINVAL; } @@ -1133,8 +1150,8 @@ void whpx_destroy_vcpu(CPUState *cpu) struct whpx_state *whpx = &whpx_global; struct whpx_vcpu *vcpu = get_whpx_vcpu(cpu); - WHvDeleteVirtualProcessor(whpx->partition, cpu->cpu_index); - WHvEmulatorDestroyEmulator(vcpu->emulator); + whp_dispatch.WHvDeleteVirtualProcessor(whpx->partition, cpu->cpu_index); + whp_dispatch.WHvEmulatorDestroyEmulator(vcpu->emulator); g_free(cpu->hax_vcpu); return; } @@ -1142,7 +1159,8 @@ void whpx_destroy_vcpu(CPUState *cpu) void whpx_vcpu_kick(CPUState *cpu) { struct whpx_state *whpx = &whpx_global; - WHvCancelRunVirtualProcessor(whpx->partition, cpu->cpu_index, 0); + whp_dispatch.WHvCancelRunVirtualProcessor( + whpx->partition, cpu->cpu_index, 0); } /* @@ -1168,17 +1186,17 @@ static void whpx_update_mapping(hwaddr start_pa, ram_addr_t size, */ if (add) { - hr = WHvMapGpaRange(whpx->partition, - host_va, - start_pa, - size, - (WHvMapGpaRangeFlagRead | - WHvMapGpaRangeFlagExecute | - (rom ? 0 : WHvMapGpaRangeFlagWrite))); + hr = whp_dispatch.WHvMapGpaRange(whpx->partition, + host_va, + start_pa, + size, + (WHvMapGpaRangeFlagRead | + WHvMapGpaRangeFlagExecute | + (rom ? 0 : WHvMapGpaRangeFlagWrite))); } else { - hr = WHvUnmapGpaRange(whpx->partition, - start_pa, - size); + hr = whp_dispatch.WHvUnmapGpaRange(whpx->partition, + start_pa, + size); } if (FAILED(hr)) { @@ -1292,18 +1310,24 @@ static int whpx_accel_init(MachineState *ms) whpx = &whpx_global; + if (!init_whp_dispatch()) { + ret = -ENOSYS; + goto error; + } + memset(whpx, 0, sizeof(struct whpx_state)); whpx->mem_quota = ms->ram_size; - hr = WHvGetCapability(WHvCapabilityCodeHypervisorPresent, &whpx_cap, - sizeof(whpx_cap), &whpx_cap_size); + hr = whp_dispatch.WHvGetCapability( + WHvCapabilityCodeHypervisorPresent, &whpx_cap, + sizeof(whpx_cap), &whpx_cap_size); if (FAILED(hr) || !whpx_cap.HypervisorPresent) { error_report("WHPX: No accelerator found, hr=%08lx", hr); ret = -ENOSPC; goto error; } - hr = WHvCreatePartition(&whpx->partition); + hr = whp_dispatch.WHvCreatePartition(&whpx->partition); if (FAILED(hr)) { error_report("WHPX: Failed to create partition, hr=%08lx", hr); ret = -EINVAL; @@ -1312,10 +1336,11 @@ static int whpx_accel_init(MachineState *ms) memset(&prop, 0, sizeof(WHV_PARTITION_PROPERTY)); prop.ProcessorCount = smp_cpus; - hr = WHvSetPartitionProperty(whpx->partition, - WHvPartitionPropertyCodeProcessorCount, - &prop, - sizeof(WHV_PARTITION_PROPERTY)); + hr = whp_dispatch.WHvSetPartitionProperty( + whpx->partition, + WHvPartitionPropertyCodeProcessorCount, + &prop, + sizeof(WHV_PARTITION_PROPERTY)); if (FAILED(hr)) { error_report("WHPX: Failed to set partition core count to %d," @@ -1326,10 +1351,11 @@ static int whpx_accel_init(MachineState *ms) memset(&prop, 0, sizeof(WHV_PARTITION_PROPERTY)); prop.ExtendedVmExits.X64CpuidExit = 1; - hr = WHvSetPartitionProperty(whpx->partition, - WHvPartitionPropertyCodeExtendedVmExits, - &prop, - sizeof(WHV_PARTITION_PROPERTY)); + hr = whp_dispatch.WHvSetPartitionProperty( + whpx->partition, + WHvPartitionPropertyCodeExtendedVmExits, + &prop, + sizeof(WHV_PARTITION_PROPERTY)); if (FAILED(hr)) { error_report("WHPX: Failed to enable partition extended X64CpuidExit" @@ -1339,11 +1365,11 @@ static int whpx_accel_init(MachineState *ms) } UINT32 cpuidExitList[] = {1}; - hr = WHvSetPartitionProperty(whpx->partition, - WHvPartitionPropertyCodeCpuidExitList, - cpuidExitList, - RTL_NUMBER_OF(cpuidExitList) * sizeof(UINT32)); - + hr = whp_dispatch.WHvSetPartitionProperty( + whpx->partition, + WHvPartitionPropertyCodeCpuidExitList, + cpuidExitList, + RTL_NUMBER_OF(cpuidExitList) * sizeof(UINT32)); if (FAILED(hr)) { error_report("WHPX: Failed to set partition CpuidExitList hr=%08lx", hr); @@ -1360,11 +1386,11 @@ static int whpx_accel_init(MachineState *ms) cpuidResultList[0].Ebx = signature[0]; cpuidResultList[0].Ecx = signature[1]; cpuidResultList[0].Edx = signature[2]; - hr = WHvSetPartitionProperty(whpx->partition, - WHvPartitionPropertyCodeCpuidResultList, - cpuidResultList, - RTL_NUMBER_OF(cpuidResultList) * - sizeof(WHV_X64_CPUID_RESULT)); + hr = whp_dispatch.WHvSetPartitionProperty( + whpx->partition, + WHvPartitionPropertyCodeCpuidResultList, + cpuidResultList, + RTL_NUMBER_OF(cpuidResultList) * sizeof(WHV_X64_CPUID_RESULT)); if (FAILED(hr)) { error_report("WHPX: Failed to set partition CpuidResultList hr=%08lx", hr); @@ -1372,7 +1398,7 @@ static int whpx_accel_init(MachineState *ms) goto error; } - hr = WHvSetupPartition(whpx->partition); + hr = whp_dispatch.WHvSetupPartition(whpx->partition); if (FAILED(hr)) { error_report("WHPX: Failed to setup partition, hr=%08lx", hr); ret = -EINVAL; @@ -1389,7 +1415,7 @@ static int whpx_accel_init(MachineState *ms) error: if (NULL != whpx->partition) { - WHvDeletePartition(whpx->partition); + whp_dispatch.WHvDeletePartition(whpx->partition); whpx->partition = NULL; } @@ -1421,4 +1447,54 @@ static void whpx_type_init(void) type_register_static(&whpx_accel_type); } +bool init_whp_dispatch(void) +{ + const char *lib_name; + HMODULE hLib; + + if (whp_dispatch_initialized) { + return true; + } + + #define WHP_LOAD_FIELD(return_type, function_name, signature) \ + whp_dispatch.function_name = \ + (function_name ## _t)GetProcAddress(hLib, #function_name); \ + if (!whp_dispatch.function_name) { \ + error_report("Could not load function %s from library %s.", \ + #function_name, lib_name); \ + goto error; \ + } \ + + lib_name = "WinHvPlatform.dll"; + hWinHvPlatform = LoadLibrary(lib_name); + if (!hWinHvPlatform) { + error_report("Could not load library %s.", lib_name); + goto error; + } + hLib = hWinHvPlatform; + LIST_WINHVPLATFORM_FUNCTIONS(WHP_LOAD_FIELD) + + lib_name = "WinHvEmulation.dll"; + hWinHvEmulation = LoadLibrary(lib_name); + if (!hWinHvEmulation) { + error_report("Could not load library %s.", lib_name); + goto error; + } + hLib = hWinHvEmulation; + LIST_WINHVEMULATION_FUNCTIONS(WHP_LOAD_FIELD) + + whp_dispatch_initialized = true; + return true; + + error: + + if (hWinHvPlatform) { + FreeLibrary(hWinHvPlatform); + } + if (hWinHvEmulation) { + FreeLibrary(hWinHvEmulation); + } + return false; +} + type_init(whpx_type_init);