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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cinttypes>
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/readable_event.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/writable_event.h"
#include "core/hle/service/nvdrv/interface.h"
#include "core/hle/service/nvdrv/nvdata.h"
#include "core/hle/service/nvdrv/nvdrv.h"
namespace Service::Nvidia {
void NVDRV::SignalGPUInterruptSyncpt(const u32 syncpoint_id, const u32 value) {
nvdrv->SignalSyncpt(syncpoint_id, value);
}
void NVDRV::Open(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NVDRV, "called");
const auto& buffer = ctx.ReadBuffer();
std::string device_name(buffer.begin(), buffer.end());
u32 fd = nvdrv->Open(device_name);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(fd);
rb.Push<u32>(0);
}
void NVDRV::IoctlBase(Kernel::HLERequestContext& ctx, IoctlVersion version) {
IPC::RequestParser rp{ctx};
u32 fd = rp.Pop<u32>();
u32 command = rp.Pop<u32>();
/// Ioctl 3 has 2 outputs, first in the input params, second is the result
std::vector<u8> output(ctx.GetWriteBufferSize(0));
std::vector<u8> output2;
if (version == IoctlVersion::Version3) {
output2.resize((ctx.GetWriteBufferSize(1)));
}
/// Ioctl2 has 2 inputs. It's used to pass data directly instead of providing a pointer.
/// KickOfPB uses this
auto input = ctx.ReadBuffer(0);
std::vector<u8> input2;
if (version == IoctlVersion::Version2) {
input2 = ctx.ReadBuffer(1);
}
IoctlCtrl ctrl{};
u32 result = nvdrv->Ioctl(fd, command, input, input2, output, output2, ctrl, version);
if (ctrl.must_delay) {
ctrl.fresh_call = false;
ctx.SleepClientThread("NVServices::DelayedResponse", ctrl.timeout,
[=](std::shared_ptr<Kernel::Thread> thread,
Kernel::HLERequestContext& ctx,
Kernel::ThreadWakeupReason reason) {
IoctlCtrl ctrl2{ctrl};
std::vector<u8> tmp_output = output;
std::vector<u8> tmp_output2 = output2;
u32 result = nvdrv->Ioctl(fd, command, input, input2, tmp_output,
tmp_output2, ctrl2, version);
ctx.WriteBuffer(tmp_output, 0);
if (version == IoctlVersion::Version3) {
ctx.WriteBuffer(tmp_output2, 1);
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
rb.Push(result);
},
nvdrv->GetEventWriteable(ctrl.event_id));
} else {
ctx.WriteBuffer(output);
if (version == IoctlVersion::Version3) {
ctx.WriteBuffer(output2, 1);
}
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
rb.Push(result);
}
void NVDRV::Ioctl(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NVDRV, "called");
IoctlBase(ctx, IoctlVersion::Version1);
}
void NVDRV::Ioctl2(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NVDRV, "called");
IoctlBase(ctx, IoctlVersion::Version2);
}
void NVDRV::Ioctl3(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NVDRV, "called");
IoctlBase(ctx, IoctlVersion::Version3);
}
void NVDRV::Close(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NVDRV, "called");
IPC::RequestParser rp{ctx};
u32 fd = rp.Pop<u32>();
auto result = nvdrv->Close(fd);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void NVDRV::Initialize(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NVDRV, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(0);
}
void NVDRV::QueryEvent(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
u32 fd = rp.Pop<u32>();
// TODO(Blinkhawk): Figure the meaning of the flag at bit 16
u32 event_id = rp.Pop<u32>() & 0x000000FF;
LOG_WARNING(Service_NVDRV, "(STUBBED) called, fd={:X}, event_id={:X}", fd, event_id);
IPC::ResponseBuilder rb{ctx, 3, 1};
rb.Push(RESULT_SUCCESS);
if (event_id < MaxNvEvents) {
auto event = nvdrv->GetEvent(event_id);
event->Clear();
rb.PushCopyObjects(event);
rb.Push<u32>(NvResult::Success);
} else {
rb.Push<u32>(0);
rb.Push<u32>(NvResult::BadParameter);
}
}
void NVDRV::SetClientPID(Kernel::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(RESULT_SUCCESS);
rb.Push<u32>(0);
}
void NVDRV::FinishInitialize(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NVDRV, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void NVDRV::GetStatus(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NVDRV, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void NVDRV::DumpGraphicsMemoryInfo(Kernel::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(RESULT_SUCCESS);
}
NVDRV::NVDRV(std::shared_ptr<Module> nvdrv, const char* name)
: ServiceFramework(name), nvdrv(std::move(nvdrv)) {
static const FunctionInfo functions[] = {
{0, &NVDRV::Open, "Open"},
{1, &NVDRV::Ioctl, "Ioctl"},
{2, &NVDRV::Close, "Close"},
{3, &NVDRV::Initialize, "Initialize"},
{4, &NVDRV::QueryEvent, "QueryEvent"},
{5, nullptr, "MapSharedMem"},
{6, &NVDRV::GetStatus, "GetStatus"},
{7, nullptr, "ForceSetClientPID"},
{8, &NVDRV::SetClientPID, "SetClientPID"},
{9, &NVDRV::DumpGraphicsMemoryInfo, "DumpGraphicsMemoryInfo"},
{10, nullptr, "InitializeDevtools"},
{11, &NVDRV::Ioctl2, "Ioctl2"},
{12, &NVDRV::Ioctl3, "Ioctl3"},
{13, &NVDRV::FinishInitialize, "FinishInitialize"},
};
RegisterHandlers(functions);
}
NVDRV::~NVDRV() = default;
} // namespace Service::Nvidia
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