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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <vector>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "core/hle/service/nvdrv/devices/nvdevice.h"
#include "core/hle/service/nvdrv/nvdrv.h"
namespace Service::Nvidia::NvCore {
class Container;
class SyncpointManager;
} // namespace Service::Nvidia::NvCore
namespace Service::Nvidia::Devices {
class nvhost_ctrl final : public nvdevice {
public:
explicit nvhost_ctrl(Core::System& system_, EventInterface& events_interface_,
NvCore::Container& core);
~nvhost_ctrl() override;
NvResult Ioctl1(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
std::vector<u8>& output) override;
NvResult Ioctl2(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
const std::vector<u8>& inline_input, std::vector<u8>& output) override;
NvResult Ioctl3(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
std::vector<u8>& output, std::vector<u8>& inline_output) override;
void OnOpen(DeviceFD fd) override;
void OnClose(DeviceFD fd) override;
Kernel::KEvent* QueryEvent(u32 event_id) override;
union SyncpointEventValue {
u32 raw;
union {
BitField<0, 4, u32> partial_slot;
BitField<4, 28, u32> syncpoint_id;
};
struct {
u16 slot;
union {
BitField<0, 12, u16> syncpoint_id_for_allocation;
BitField<12, 1, u16> event_allocated;
};
};
};
static_assert(sizeof(SyncpointEventValue) == sizeof(u32));
void SignalNvEvent(u32 syncpoint_id, u32 value);
private:
struct InternalEvent {
// Mask representing registered events
// Each kernel event associated to an NV event
Kernel::KEvent* kevent{};
// The status of the current NVEvent
std::atomic<EventState> status{};
// Tells the NVEvent that it has failed.
u32 fails{};
// When an NVEvent is waiting on GPU interrupt, this is the sync_point
// associated with it.
u32 assigned_syncpt{};
// This is the value of the GPU interrupt for which the NVEvent is waiting
// for.
u32 assigned_value{};
// Tells if an NVEvent is registered or not
bool registered{};
bool IsBeingUsed() {
const auto current_status = status.load(std::memory_order_acquire);
return current_status == EventState::Waiting ||
current_status == EventState::Cancelling ||
current_status == EventState::Signalling;
}
};
std::unique_lock<std::mutex> NvEventsLock();
void CreateNvEvent(u32 event_id);
void FreeNvEvent(u32 event_id);
u32 FindFreeNvEvent(u32 syncpoint_id);
std::array<InternalEvent, MaxNvEvents> events{};
std::mutex events_mutex;
u64 events_mask{};
struct IocSyncptReadParams {
u32_le id{};
u32_le value{};
};
static_assert(sizeof(IocSyncptReadParams) == 8, "IocSyncptReadParams is incorrect size");
struct IocSyncptIncrParams {
u32_le id{};
};
static_assert(sizeof(IocSyncptIncrParams) == 4, "IocSyncptIncrParams is incorrect size");
struct IocSyncptWaitParams {
u32_le id{};
u32_le thresh{};
s32_le timeout{};
};
static_assert(sizeof(IocSyncptWaitParams) == 12, "IocSyncptWaitParams is incorrect size");
struct IocModuleMutexParams {
u32_le id{};
u32_le lock{}; // (0 = unlock and 1 = lock)
};
static_assert(sizeof(IocModuleMutexParams) == 8, "IocModuleMutexParams is incorrect size");
struct IocModuleRegRDWRParams {
u32_le id{};
u32_le num_offsets{};
u32_le block_size{};
u32_le offsets{};
u32_le values{};
u32_le write{};
};
static_assert(sizeof(IocModuleRegRDWRParams) == 24, "IocModuleRegRDWRParams is incorrect size");
struct IocSyncptWaitexParams {
u32_le id{};
u32_le thresh{};
s32_le timeout{};
u32_le value{};
};
static_assert(sizeof(IocSyncptWaitexParams) == 16, "IocSyncptWaitexParams is incorrect size");
struct IocSyncptReadMaxParams {
u32_le id{};
u32_le value{};
};
static_assert(sizeof(IocSyncptReadMaxParams) == 8, "IocSyncptReadMaxParams is incorrect size");
struct IocGetConfigParams {
std::array<char, 0x41> domain_str{};
std::array<char, 0x41> param_str{};
std::array<char, 0x101> config_str{};
};
static_assert(sizeof(IocGetConfigParams) == 387, "IocGetConfigParams is incorrect size");
struct IocCtrlEventClearParams {
SyncpointEventValue event_id{};
};
static_assert(sizeof(IocCtrlEventClearParams) == 4,
"IocCtrlEventClearParams is incorrect size");
struct IocCtrlEventWaitParams {
NvFence fence{};
u32_le timeout{};
SyncpointEventValue value{};
};
static_assert(sizeof(IocCtrlEventWaitParams) == 16,
"IocCtrlEventWaitAsyncParams is incorrect size");
struct IocCtrlEventRegisterParams {
u32_le user_event_id{};
};
static_assert(sizeof(IocCtrlEventRegisterParams) == 4,
"IocCtrlEventRegisterParams is incorrect size");
struct IocCtrlEventUnregisterParams {
u32_le user_event_id{};
};
static_assert(sizeof(IocCtrlEventUnregisterParams) == 4,
"IocCtrlEventUnregisterParams is incorrect size");
struct IocCtrlEventKill {
u64_le user_events{};
};
static_assert(sizeof(IocCtrlEventKill) == 8, "IocCtrlEventKill is incorrect size");
NvResult NvOsGetConfigU32(const std::vector<u8>& input, std::vector<u8>& output);
NvResult IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output,
bool is_allocation);
NvResult IocCtrlEventRegister(const std::vector<u8>& input, std::vector<u8>& output);
NvResult IocCtrlEventUnregister(const std::vector<u8>& input, std::vector<u8>& output);
NvResult IocCtrlClearEventWait(const std::vector<u8>& input, std::vector<u8>& output);
NvResult FreeEvent(u32 slot);
EventInterface& events_interface;
NvCore::Container& core;
NvCore::SyncpointManager& syncpoint_manager;
};
} // namespace Service::Nvidia::Devices
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