diff --git a/configure b/configure index a8498ab393..99b4a287dd 100755 --- a/configure +++ b/configure @@ -2524,20 +2524,7 @@ fi ########################################## # Windows Hypervisor Platform accelerator (WHPX) check if test "$whpx" != "no" ; then - cat > $TMPC << EOF -#include -#include -#include -int main(void) { - WHV_CAPABILITY whpx_cap; - UINT32 writtenSize; - WHvGetCapability(WHvCapabilityCodeFeatures, &whpx_cap, sizeof(whpx_cap), - &writtenSize); - return 0; -} -EOF - if compile_prog "" "-lWinHvPlatform -lWinHvEmulation" ; then - libs_softmmu="$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/whpx-all.c b/target/i386/whpx-all.c index bd7df10ba5..32695d47f9 100644 --- a/target/i386/whpx-all.c +++ b/target/i386/whpx-all.c @@ -24,6 +24,7 @@ #include "qemu/queue.h" #include "qapi/error.h" #include "migration/blocker.h" +#include "whp-dispatch.h" #include #include @@ -159,8 +160,11 @@ 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; /* @@ -354,10 +358,11 @@ 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", @@ -381,10 +386,11 @@ 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); @@ -544,9 +550,10 @@ 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); @@ -565,9 +572,10 @@ 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); @@ -594,8 +602,8 @@ 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 { @@ -620,16 +628,18 @@ 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; } @@ -643,16 +653,18 @@ 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; } @@ -767,8 +779,9 @@ 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); @@ -876,8 +889,9 @@ 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," @@ -948,11 +962,11 @@ 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," @@ -1064,8 +1078,8 @@ 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; } } @@ -1077,7 +1091,9 @@ 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); @@ -1085,11 +1101,12 @@ 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; } @@ -1130,8 +1147,8 @@ 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; } @@ -1139,7 +1156,8 @@ 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); } /* @@ -1165,17 +1183,17 @@ 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)) { @@ -1289,18 +1307,24 @@ 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; @@ -1309,10 +1333,11 @@ 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," @@ -1323,10 +1348,11 @@ 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" @@ -1336,11 +1362,11 @@ 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); @@ -1348,7 +1374,7 @@ 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; @@ -1365,7 +1391,7 @@ static int whpx_accel_init(MachineState *ms) error: if (NULL != whpx->partition) { - WHvDeletePartition(whpx->partition); + whp_dispatch.WHvDeletePartition(whpx->partition); whpx->partition = NULL; } @@ -1397,4 +1423,54 @@ 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);