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// SPDX-FileCopyrightText: 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: 2021 Skyline Team and Contributors
// SPDX-License-Identifier: GPL-3.0-or-later
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/service/ipc_helpers.h"
#include "core/hle/service/nvdrv/nvdata.h"
#include "core/hle/service/nvdrv/nvdrv.h"
#include "core/hle/service/nvdrv/nvdrv_interface.h"
namespace Service::Nvidia {
void NVDRV::Open(HLERequestContext& ctx) {
LOG_DEBUG(Service_NVDRV, "called");
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
if (!is_initialized) {
rb.Push<DeviceFD>(0);
rb.PushEnum(NvResult::NotInitialized);
LOG_ERROR(Service_NVDRV, "NvServices is not initialized!");
return;
}
const auto& buffer = ctx.ReadBuffer();
const std::string device_name(buffer.begin(), buffer.end());
if (device_name == "/dev/nvhost-prof-gpu") {
rb.Push<DeviceFD>(0);
rb.PushEnum(NvResult::NotSupported);
LOG_WARNING(Service_NVDRV, "/dev/nvhost-prof-gpu cannot be opened in production");
return;
}
DeviceFD fd = nvdrv->Open(device_name);
rb.Push<DeviceFD>(fd);
rb.PushEnum(fd != INVALID_NVDRV_FD ? NvResult::Success : NvResult::FileOperationFailed);
}
void NVDRV::ServiceError(HLERequestContext& ctx, NvResult result) {
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(result);
}
void NVDRV::Ioctl1(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto fd = rp.Pop<DeviceFD>();
const auto command = rp.PopRaw<Ioctl>();
LOG_DEBUG(Service_NVDRV, "called fd={}, ioctl=0x{:08X}", fd, command.raw);
if (!is_initialized) {
ServiceError(ctx, NvResult::NotInitialized);
LOG_ERROR(Service_NVDRV, "NvServices is not initialized!");
return;
}
// Check device
output_buffer.resize_destructive(ctx.GetWriteBufferSize(0));
const auto input_buffer = ctx.ReadBuffer(0);
const auto nv_result = nvdrv->Ioctl1(fd, command, input_buffer, output_buffer);
if (command.is_out != 0) {
ctx.WriteBuffer(output_buffer);
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(nv_result);
}
void NVDRV::Ioctl2(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto fd = rp.Pop<DeviceFD>();
const auto command = rp.PopRaw<Ioctl>();
LOG_DEBUG(Service_NVDRV, "called fd={}, ioctl=0x{:08X}", fd, command.raw);
if (!is_initialized) {
ServiceError(ctx, NvResult::NotInitialized);
LOG_ERROR(Service_NVDRV, "NvServices is not initialized!");
return;
}
const auto input_buffer = ctx.ReadBuffer(0);
const auto input_inlined_buffer = ctx.ReadBuffer(1);
output_buffer.resize_destructive(ctx.GetWriteBufferSize(0));
const auto nv_result =
nvdrv->Ioctl2(fd, command, input_buffer, input_inlined_buffer, output_buffer);
if (command.is_out != 0) {
ctx.WriteBuffer(output_buffer);
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(nv_result);
}
void NVDRV::Ioctl3(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto fd = rp.Pop<DeviceFD>();
const auto command = rp.PopRaw<Ioctl>();
LOG_DEBUG(Service_NVDRV, "called fd={}, ioctl=0x{:08X}", fd, command.raw);
if (!is_initialized) {
ServiceError(ctx, NvResult::NotInitialized);
LOG_ERROR(Service_NVDRV, "NvServices is not initialized!");
return;
}
const auto input_buffer = ctx.ReadBuffer(0);
output_buffer.resize_destructive(ctx.GetWriteBufferSize(0));
inline_output_buffer.resize_destructive(ctx.GetWriteBufferSize(1));
const auto nv_result =
nvdrv->Ioctl3(fd, command, input_buffer, output_buffer, inline_output_buffer);
if (command.is_out != 0) {
ctx.WriteBuffer(output_buffer, 0);
ctx.WriteBuffer(inline_output_buffer, 1);
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(nv_result);
}
void NVDRV::Close(HLERequestContext& ctx) {
LOG_DEBUG(Service_NVDRV, "called");
if (!is_initialized) {
ServiceError(ctx, NvResult::NotInitialized);
LOG_ERROR(Service_NVDRV, "NvServices is not initialized!");
return;
}
IPC::RequestParser rp{ctx};
const auto fd = rp.Pop<DeviceFD>();
const auto result = nvdrv->Close(fd);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(result);
}
void NVDRV::Initialize(HLERequestContext& ctx) {
LOG_WARNING(Service_NVDRV, "(STUBBED) called");
is_initialized = true;
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(NvResult::Success);
}
void NVDRV::QueryEvent(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto fd = rp.Pop<DeviceFD>();
const auto event_id = rp.Pop<u32>();
if (!is_initialized) {
ServiceError(ctx, NvResult::NotInitialized);
LOG_ERROR(Service_NVDRV, "NvServices is not initialized!");
return;
}
Kernel::KEvent* event = nullptr;
NvResult result = nvdrv->QueryEvent(fd, event_id, event);
if (result == NvResult::Success) {
IPC::ResponseBuilder rb{ctx, 3, 1};
rb.Push(ResultSuccess);
auto& readable_event = event->GetReadableEvent();
rb.PushCopyObjects(readable_event);
rb.PushEnum(NvResult::Success);
} else {
LOG_ERROR(Service_NVDRV, "Invalid event request!");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(result);
}
}
void NVDRV::SetAruid(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
pid = rp.Pop<u64>();
LOG_WARNING(Service_NVDRV, "(STUBBED) called, pid=0x{:X}", pid);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(NvResult::Success);
}
void NVDRV::SetGraphicsFirmwareMemoryMarginEnabled(HLERequestContext& ctx) {
LOG_WARNING(Service_NVDRV, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void NVDRV::GetStatus(HLERequestContext& ctx) {
LOG_WARNING(Service_NVDRV, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(NvResult::Success);
}
void NVDRV::DumpGraphicsMemoryInfo(HLERequestContext& ctx) {
// According to SwitchBrew, this has no inputs and no outputs, so effectively does nothing on
// retail hardware.
LOG_DEBUG(Service_NVDRV, "called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
NVDRV::NVDRV(Core::System& system_, std::shared_ptr<Module> nvdrv_, const char* name)
: ServiceFramework{system_, name}, nvdrv{std::move(nvdrv_)} {
static const FunctionInfo functions[] = {
{0, &NVDRV::Open, "Open"},
{1, &NVDRV::Ioctl1, "Ioctl"},
{2, &NVDRV::Close, "Close"},
{3, &NVDRV::Initialize, "Initialize"},
{4, &NVDRV::QueryEvent, "QueryEvent"},
{5, nullptr, "MapSharedMem"},
{6, &NVDRV::GetStatus, "GetStatus"},
{7, nullptr, "SetAruidForTest"},
{8, &NVDRV::SetAruid, "SetAruid"},
{9, &NVDRV::DumpGraphicsMemoryInfo, "DumpGraphicsMemoryInfo"},
{10, nullptr, "InitializeDevtools"},
{11, &NVDRV::Ioctl2, "Ioctl2"},
{12, &NVDRV::Ioctl3, "Ioctl3"},
{13, &NVDRV::SetGraphicsFirmwareMemoryMarginEnabled,
"SetGraphicsFirmwareMemoryMarginEnabled"},
};
RegisterHandlers(functions);
}
NVDRV::~NVDRV() = default;
} // namespace Service::Nvidia
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