diff options
author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2021-11-01 00:51:29 +0100 |
---|---|---|
committer | Fernando Sahmkow <fsahmkow27@gmail.com> | 2022-10-06 21:00:51 +0200 |
commit | 39a5ce4e696716e48bdd1c980abc792827c68184 (patch) | |
tree | 9db2419586537a30374a86e99402e2eeced4cd20 /src/core/hle/service/nvdrv | |
parent | NvHost: Try a different approach to blocking. (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp | 178 | ||||
-rw-r--r-- | src/core/hle/service/nvdrv/devices/nvhost_ctrl.h | 47 | ||||
-rw-r--r-- | src/core/hle/service/nvdrv/nvdata.h | 18 | ||||
-rw-r--r-- | src/core/hle/service/nvdrv/nvdrv.cpp | 128 | ||||
-rw-r--r-- | src/core/hle/service/nvdrv/nvdrv.h | 96 | ||||
-rw-r--r-- | src/core/hle/service/nvdrv/nvdrv_interface.cpp | 13 |
6 files changed, 311 insertions, 169 deletions
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp index bfe1faf48..f2b015c8f 100644 --- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp +++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp @@ -1,11 +1,14 @@ -// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2021 yuzu emulator team and Skyline Team and Contributors +// (https://github.com/skyline-emu/) +// SPDX-License-Identifier: GPL-3.0-or-later Licensed under GPLv3 +// or any later version Refer to the license.txt file included. #include <cstdlib> #include <cstring> #include "common/assert.h" #include "common/logging/log.h" +#include "common/scope_exit.h" #include "core/core.h" #include "core/hle/kernel/k_event.h" #include "core/hle/kernel/k_writable_event.h" @@ -30,9 +33,9 @@ NvResult nvhost_ctrl::Ioctl1(DeviceFD fd, Ioctl command, const std::vector<u8>& case 0x1c: return IocCtrlClearEventWait(input, output); case 0x1d: - return IocCtrlEventWait(input, output, false); - case 0x1e: return IocCtrlEventWait(input, output, true); + case 0x1e: + return IocCtrlEventWait(input, output, false); case 0x1f: return IocCtrlEventRegister(input, output); case 0x20: @@ -71,54 +74,65 @@ NvResult nvhost_ctrl::NvOsGetConfigU32(const std::vector<u8>& input, std::vector } NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output, - bool is_async) { + bool is_allocation) { IocCtrlEventWaitParams params{}; std::memcpy(¶ms, input.data(), sizeof(params)); - LOG_DEBUG(Service_NVDRV, "syncpt_id={}, threshold={}, timeout={}, is_async={}", - params.syncpt_id, params.threshold, params.timeout, is_async); + LOG_DEBUG(Service_NVDRV, "syncpt_id={}, threshold={}, timeout={}, is_allocation={}", + params.fence.id, params.fence.value, params.timeout, is_allocation); - if (params.syncpt_id >= MaxSyncPoints) { - return NvResult::BadParameter; - } + bool must_unmark_fail = !is_allocation; + const u32 event_id = params.value.raw; + SCOPE_EXIT({ + std::memcpy(output.data(), ¶ms, sizeof(params)); + if (must_unmark_fail) { + events_interface.fails[event_id] = 0; + } + }); - u32 event_id = params.value & 0x00FF; + const u32 fence_id = static_cast<u32>(params.fence.id); - if (event_id >= MaxNvEvents) { - std::memcpy(output.data(), ¶ms, sizeof(params)); + if (fence_id >= MaxSyncPoints) { return NvResult::BadParameter; } - if (syncpoint_manager.IsSyncpointExpired(params.syncpt_id, params.threshold)) { - params.value = syncpoint_manager.GetSyncpointMin(params.syncpt_id); - std::memcpy(output.data(), ¶ms, sizeof(params)); - events_interface.fails[event_id] = 0; + if (params.fence.value == 0) { + params.value.raw = syncpoint_manager.GetSyncpointMin(fence_id); return NvResult::Success; } - if (const auto new_value = syncpoint_manager.RefreshSyncpoint(params.syncpt_id); - syncpoint_manager.IsSyncpointExpired(params.syncpt_id, params.threshold)) { - params.value = new_value; - std::memcpy(output.data(), ¶ms, sizeof(params)); - events_interface.fails[event_id] = 0; + if (syncpoint_manager.IsSyncpointExpired(fence_id, params.fence.value)) { + params.value.raw = syncpoint_manager.GetSyncpointMin(fence_id); + return NvResult::Success; + } + + if (const auto new_value = syncpoint_manager.RefreshSyncpoint(fence_id); + syncpoint_manager.IsSyncpointExpired(fence_id, params.fence.value)) { + params.value.raw = new_value; return NvResult::Success; } auto& gpu = system.GPU(); - const u32 target_value = syncpoint_manager.GetSyncpointMax(params.syncpt_id); + const u32 target_value = params.fence.value; - if (!is_async) { - params.value = 0; - } + auto lock = events_interface.Lock(); + + u32 slot = [&]() { + if (is_allocation) { + params.value.raw = 0; + return events_interface.FindFreeEvent(fence_id); + } else { + return params.value.raw; + } + }(); const auto check_failing = [&]() { - if (events_interface.fails[event_id] > 1) { + if (events_interface.fails[slot] > 1) { { auto lk = system.StallProcesses(); - gpu.WaitFence(params.syncpt_id, target_value); + gpu.WaitFence(fence_id, target_value); system.UnstallProcesses(); } - std::memcpy(output.data(), ¶ms, sizeof(params)); - events_interface.fails[event_id] = 0; + params.value.raw = target_value; return true; } return false; @@ -131,47 +145,76 @@ NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector return NvResult::Timeout; } - EventState status = events_interface.status[event_id]; - const bool bad_parameter = status == EventState::Busy; - if (bad_parameter) { - std::memcpy(output.data(), ¶ms, sizeof(params)); + if (slot >= MaxNvEvents) { return NvResult::BadParameter; } - events_interface.SetEventStatus(event_id, EventState::Waiting); - events_interface.assigned_syncpt[event_id] = params.syncpt_id; - events_interface.assigned_value[event_id] = target_value; - if (is_async) { - params.value = params.syncpt_id << 4; - } else { - params.value = ((params.syncpt_id & 0xfff) << 16) | 0x10000000; + + auto* event = events_interface.events[slot]; + + if (!event) { + return NvResult::BadParameter; } - params.value |= event_id; + + if (events_interface.IsBeingUsed(slot)) { + return NvResult::BadParameter; + } + if (check_failing()) { return NvResult::Success; } - gpu.RegisterSyncptInterrupt(params.syncpt_id, target_value); - std::memcpy(output.data(), ¶ms, sizeof(params)); + + params.value.raw = 0; + + events_interface.status[slot].store(EventState::Waiting, std::memory_order_release); + events_interface.assigned_syncpt[slot] = fence_id; + events_interface.assigned_value[slot] = target_value; + if (is_allocation) { + params.value.syncpoint_id_for_allocation.Assign(static_cast<u16>(fence_id)); + params.value.event_allocated.Assign(1); + } else { + params.value.syncpoint_id.Assign(fence_id); + } + params.value.raw |= slot; + + gpu.RegisterSyncptInterrupt(fence_id, target_value); return NvResult::Timeout; } +NvResult nvhost_ctrl::FreeEvent(u32 slot) { + if (slot >= MaxNvEvents) { + return NvResult::BadParameter; + } + + if (!events_interface.registered[slot]) { + return NvResult::Success; + } + + if (events_interface.IsBeingUsed(slot)) { + return NvResult::Busy; + } + + events_interface.Free(slot); + return NvResult::Success; +} + NvResult nvhost_ctrl::IocCtrlEventRegister(const std::vector<u8>& input, std::vector<u8>& output) { IocCtrlEventRegisterParams params{}; std::memcpy(¶ms, input.data(), sizeof(params)); - const u32 event_id = params.user_event_id & 0x00FF; + const u32 event_id = params.user_event_id; LOG_DEBUG(Service_NVDRV, " called, user_event_id: {:X}", event_id); if (event_id >= MaxNvEvents) { return NvResult::BadParameter; } + + auto lock = events_interface.Lock(); + if (events_interface.registered[event_id]) { - const auto event_state = events_interface.status[event_id]; - if (event_state != EventState::Free) { - LOG_WARNING(Service_NVDRV, "Event already registered! Unregistering previous event"); - events_interface.UnregisterEvent(event_id); - } else { - return NvResult::BadParameter; + const auto result = FreeEvent(event_id); + if (result != NvResult::Success) { + return result; } } - events_interface.RegisterEvent(event_id); + events_interface.Create(event_id); return NvResult::Success; } @@ -181,32 +224,33 @@ NvResult nvhost_ctrl::IocCtrlEventUnregister(const std::vector<u8>& input, std::memcpy(¶ms, input.data(), sizeof(params)); const u32 event_id = params.user_event_id & 0x00FF; LOG_DEBUG(Service_NVDRV, " called, user_event_id: {:X}", event_id); - if (event_id >= MaxNvEvents) { - return NvResult::BadParameter; - } - if (!events_interface.registered[event_id]) { - return NvResult::BadParameter; - } - events_interface.UnregisterEvent(event_id); - return NvResult::Success; + + auto lock = events_interface.Lock(); + return FreeEvent(event_id); } NvResult nvhost_ctrl::IocCtrlClearEventWait(const std::vector<u8>& input, std::vector<u8>& output) { - IocCtrlEventSignalParams params{}; + IocCtrlEventClearParams params{}; std::memcpy(¶ms, input.data(), sizeof(params)); - u32 event_id = params.event_id & 0x00FF; - LOG_WARNING(Service_NVDRV, "cleared event wait on, event_id: {:X}", event_id); + u32 event_id = params.event_id.slot; + LOG_DEBUG(Service_NVDRV, "called, event_id: {:X}", event_id); if (event_id >= MaxNvEvents) { return NvResult::BadParameter; } - if (events_interface.status[event_id] == EventState::Waiting) { - events_interface.LiberateEvent(event_id); + + auto lock = events_interface.Lock(); + + if (events_interface.status[event_id].exchange( + EventState::Cancelling, std::memory_order_acq_rel) == EventState::Waiting) { + system.GPU().CancelSyncptInterrupt(events_interface.assigned_syncpt[event_id], + events_interface.assigned_value[event_id]); + syncpoint_manager.RefreshSyncpoint(events_interface.assigned_syncpt[event_id]); } events_interface.fails[event_id]++; - - syncpoint_manager.RefreshSyncpoint(events_interface.events[event_id].fence.id); + events_interface.status[event_id].store(EventState::Cancelled, std::memory_order_release); + events_interface.events[event_id]->GetWritableEvent().Clear(); return NvResult::Success; } diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h index 4fbb89b15..0471c09b2 100644 --- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h +++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h @@ -5,6 +5,7 @@ #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" @@ -27,6 +28,24 @@ public: void OnOpen(DeviceFD fd) override; void OnClose(DeviceFD fd) 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)); + private: struct IocSyncptReadParams { u32_le id{}; @@ -83,27 +102,18 @@ private: }; static_assert(sizeof(IocGetConfigParams) == 387, "IocGetConfigParams is incorrect size"); - struct IocCtrlEventSignalParams { - u32_le event_id{}; + struct IocCtrlEventClearParams { + SyncpointEventValue event_id{}; }; - static_assert(sizeof(IocCtrlEventSignalParams) == 4, - "IocCtrlEventSignalParams is incorrect size"); + static_assert(sizeof(IocCtrlEventClearParams) == 4, + "IocCtrlEventClearParams is incorrect size"); struct IocCtrlEventWaitParams { - u32_le syncpt_id{}; - u32_le threshold{}; - s32_le timeout{}; - u32_le value{}; - }; - static_assert(sizeof(IocCtrlEventWaitParams) == 16, "IocCtrlEventWaitParams is incorrect size"); - - struct IocCtrlEventWaitAsyncParams { - u32_le syncpt_id{}; - u32_le threshold{}; + NvFence fence{}; u32_le timeout{}; - u32_le value{}; + SyncpointEventValue value{}; }; - static_assert(sizeof(IocCtrlEventWaitAsyncParams) == 16, + static_assert(sizeof(IocCtrlEventWaitParams) == 16, "IocCtrlEventWaitAsyncParams is incorrect size"); struct IocCtrlEventRegisterParams { @@ -124,11 +134,14 @@ private: 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_async); + 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; SyncpointManager& syncpoint_manager; }; diff --git a/src/core/hle/service/nvdrv/nvdata.h b/src/core/hle/service/nvdrv/nvdata.h index 1d00394c8..2ee91f9c4 100644 --- a/src/core/hle/service/nvdrv/nvdata.h +++ b/src/core/hle/service/nvdrv/nvdata.h @@ -1,5 +1,7 @@ -// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2021 yuzu emulator team and Skyline Team and Contributors +// (https://github.com/skyline-emu/) +// SPDX-License-Identifier: GPL-3.0-or-later Licensed under GPLv3 +// or any later version Refer to the license.txt file included. #pragma once @@ -78,11 +80,15 @@ enum class NvResult : u32 { ModuleNotPresent = 0xA000E, }; +// obtained from +// https://github.com/skyline-emu/skyline/blob/nvdec-dev/app/src/main/cpp/skyline/services/nvdrv/devices/nvhost/ctrl.h#L47 enum class EventState { - Free = 0, - Registered = 1, - Waiting = 2, - Busy = 3, + Available = 0, + Waiting = 1, + Cancelling = 2, + Signalling = 3, + Signalled = 4, + Cancelled = 5, }; union Ioctl { diff --git a/src/core/hle/service/nvdrv/nvdrv.cpp b/src/core/hle/service/nvdrv/nvdrv.cpp index 756eb7453..fa259abed 100644 --- a/src/core/hle/service/nvdrv/nvdrv.cpp +++ b/src/core/hle/service/nvdrv/nvdrv.cpp @@ -1,6 +1,9 @@ -// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2021 yuzu emulator team and Skyline Team and Contributors +// (https://github.com/skyline-emu/) +// SPDX-License-Identifier: GPL-3.0-or-later Licensed under GPLv3 +// or any later version Refer to the license.txt file included. +#include <bit> #include <utility> #include <fmt/format.h> @@ -26,6 +29,73 @@ namespace Service::Nvidia { +std::unique_lock<std::mutex> EventInterface::Lock() { + return std::unique_lock<std::mutex>(events_mutex); +} + +void EventInterface::Signal(u32 event_id) { + if (status[event_id].exchange(EventState::Signalling, std::memory_order_acq_rel) == + EventState::Waiting) { + events[event_id]->GetWritableEvent().Signal(); + } + status[event_id].store(EventState::Signalled, std::memory_order_release); +} + +void EventInterface::Create(u32 event_id) { + ASSERT(!events[event_id]); + ASSERT(!registered[event_id]); + ASSERT(!IsBeingUsed(event_id)); + events[event_id] = backup[event_id]; + status[event_id] = EventState::Available; + registered[event_id] = true; + const u64 mask = 1ULL << event_id; + fails[event_id] = 0; + events_mask |= mask; + LOG_CRITICAL(Service_NVDRV, "Created Event {}", event_id); +} + +void EventInterface::Free(u32 event_id) { + ASSERT(events[event_id]); + ASSERT(registered[event_id]); + ASSERT(!IsBeingUsed(event_id)); + + backup[event_id]->GetWritableEvent().Clear(); + events[event_id] = nullptr; + status[event_id] = EventState::Available; + registered[event_id] = false; + const u64 mask = ~(1ULL << event_id); + events_mask &= mask; + LOG_CRITICAL(Service_NVDRV, "Freed Event {}", event_id); +} + +u32 EventInterface::FindFreeEvent(u32 syncpoint_id) { + u32 slot{MaxNvEvents}; + u32 free_slot{MaxNvEvents}; + for (u32 i = 0; i < MaxNvEvents; i++) { + if (registered[i]) { + if (!IsBeingUsed(i)) { + slot = i; + if (assigned_syncpt[i] == syncpoint_id) { + return slot; + } + } + } else if (free_slot == MaxNvEvents) { + free_slot = i; + } + } + if (free_slot < MaxNvEvents) { + Create(free_slot); + return free_slot; + } + + if (slot < MaxNvEvents) { + return slot; + } + + LOG_CRITICAL(Service_NVDRV, "Failed to allocate an event"); + return 0; +} + void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger& nvflinger, Core::System& system) { auto module_ = std::make_shared<Module>(system); @@ -38,12 +108,14 @@ void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger } Module::Module(Core::System& system) - : syncpoint_manager{system.GPU()}, service_context{system, "nvdrv"} { + : syncpoint_manager{system.GPU()}, events_interface{*this}, service_context{system, "nvdrv"} { + events_interface.events_mask = 0; for (u32 i = 0; i < MaxNvEvents; i++) { - events_interface.events[i].event = - service_context.CreateEvent(fmt::format("NVDRV::NvEvent_{}", i)); - events_interface.status[i] = EventState::Free; + events_interface.status[i] = EventState::Available; + events_interface.events[i] = nullptr; events_interface.registered[i] = false; + events_interface.backup[i] = + service_context.CreateEvent(fmt::format("NVDRV::NvEvent_{}", i)); } auto nvmap_dev = std::make_shared<Devices::nvmap>(system); devices["/dev/nvhost-as-gpu"] = std::make_shared<Devices::nvhost_as_gpu>(system, nvmap_dev); @@ -62,8 +134,12 @@ Module::Module(Core::System& system) } Module::~Module() { + auto lock = events_interface.Lock(); for (u32 i = 0; i < MaxNvEvents; i++) { - service_context.CloseEvent(events_interface.events[i].event); + if (events_interface.registered[i]) { + events_interface.Free(i); + } + service_context.CloseEvent(events_interface.backup[i]); } } @@ -169,21 +245,41 @@ NvResult Module::Close(DeviceFD fd) { } void Module::SignalSyncpt(const u32 syncpoint_id, const u32 value) { - for (u32 i = 0; i < MaxNvEvents; i++) { - if (events_interface.assigned_syncpt[i] == syncpoint_id && + const u32 max = MaxNvEvents - std::countl_zero(events_interface.events_mask); + const u32 min = std::countr_zero(events_interface.events_mask); + for (u32 i = min; i < max; i++) { + if (events_interface.registered[i] && events_interface.assigned_syncpt[i] == syncpoint_id && events_interface.assigned_value[i] == value) { - events_interface.LiberateEvent(i); - events_interface.events[i].event->GetWritableEvent().Signal(); + events_interface.Signal(i); } } } -Kernel::KReadableEvent& Module::GetEvent(const u32 event_id) { - return events_interface.events[event_id].event->GetReadableEvent(); -} +Kernel::KEvent* Module::GetEvent(u32 event_id) { + const auto event = Devices::nvhost_ctrl::SyncpointEventValue{.raw = event_id}; + + const bool allocated = event.event_allocated.Value() != 0; + const u32 slot{allocated ? event.partial_slot.Value() : static_cast<u32>(event.slot)}; + if (slot >= MaxNvEvents) { + ASSERT(false); + return nullptr; + } -Kernel::KWritableEvent& Module::GetEventWriteable(const u32 event_id) { - return events_interface.events[event_id].event->GetWritableEvent(); + const u32 syncpoint_id{allocated ? event.syncpoint_id_for_allocation.Value() + : event.syncpoint_id.Value()}; + + auto lock = events_interface.Lock(); + + if (events_interface.registered[slot] && + events_interface.assigned_syncpt[slot] == syncpoint_id) { + ASSERT(events_interface.events[slot]); + return events_interface.events[slot]; + } + // Temporary hack. + events_interface.Create(slot); + events_interface.assigned_syncpt[slot] = syncpoint_id; + ASSERT(false); + return events_interface.events[slot]; } } // namespace Service::Nvidia diff --git a/src/core/hle/service/nvdrv/nvdrv.h b/src/core/hle/service/nvdrv/nvdrv.h index 4c4aa7dab..8ce036508 100644 --- a/src/core/hle/service/nvdrv/nvdrv.h +++ b/src/core/hle/service/nvdrv/nvdrv.h @@ -1,5 +1,7 @@ -// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2021 yuzu emulator team and Skyline Team and Contributors +// (https://github.com/skyline-emu/) +// SPDX-License-Identifier: GPL-3.0-or-later Licensed under GPLv3 +// or any later version Refer to the license.txt file included. #pragma once @@ -34,19 +36,20 @@ namespace Devices { class nvdevice; } -/// Represents an Nvidia event -struct NvEvent { - Kernel::KEvent* event{}; - NvFence fence{}; -}; +class Module; + +class EventInterface { +public: + EventInterface(Module& module_) : module{module_} {} -struct EventInterface { - // Mask representing currently busy events + // Mask representing registered events u64 events_mask{}; // Each kernel event associated to an NV event - std::array<NvEvent, MaxNvEvents> events; + std::array<Kernel::KEvent*, MaxNvEvents> events{}; + // Backup NV event + std::array<Kernel::KEvent*, MaxNvEvents> backup{}; // The status of the current NVEvent - std::array<EventState, MaxNvEvents> status{}; + std::array<std::atomic<EventState>, MaxNvEvents> status{}; // Tells if an NVEvent is registered or not std::array<bool, MaxNvEvents> registered{}; // Tells the NVEvent that it has failed. @@ -59,50 +62,26 @@ struct EventInterface { std::array<u32, MaxNvEvents> assigned_value{}; // Constant to denote an unasigned syncpoint. static constexpr u32 unassigned_syncpt = 0xFFFFFFFF; - std::optional<u32> GetFreeEvent() const { - u64 mask = events_mask; - for (u32 i = 0; i < MaxNvEvents; i++) { - const bool is_free = (mask & 0x1) == 0; - if (is_free) { - if (status[i] == EventState::Registered || status[i] == EventState::Free) { - return {i}; - } - } - mask = mask >> 1; - } - return std::nullopt; - } - void SetEventStatus(const u32 event_id, EventState new_status) { - EventState old_status = status[event_id]; - if (old_status == new_status) { - return; - } - status[event_id] = new_status; - if (new_status == EventState::Registered) { - registered[event_id] = true; - } - if (new_status == EventState::Waiting || new_status == EventState::Busy) { - events_mask |= (1ULL << event_id); - } - } - void RegisterEvent(const u32 event_id) { - registered[event_id] = true; - if (status[event_id] == EventState::Free) { - status[event_id] = EventState::Registered; - } - } - void UnregisterEvent(const u32 event_id) { - registered[event_id] = false; - if (status[event_id] == EventState::Registered) { - status[event_id] = EventState::Free; - } - } - void LiberateEvent(const u32 event_id) { - status[event_id] = registered[event_id] ? EventState::Registered : EventState::Free; - events_mask &= ~(1ULL << event_id); - assigned_syncpt[event_id] = unassigned_syncpt; - assigned_value[event_id] = 0; + + bool IsBeingUsed(u32 event_id) { + const auto current_status = status[event_id].load(std::memory_order_acquire); + return current_status == EventState::Waiting || current_status == EventState::Cancelling || + current_status == EventState::Signalling; } + + std::unique_lock<std::mutex> Lock(); + + void Signal(u32 event_id); + + void Create(u32 event_id); + + void Free(u32 event_id); + + u32 FindFreeEvent(u32 syncpoint_id); + +private: + std::mutex events_mutex; + Module& module; }; class Module final { @@ -139,11 +118,11 @@ public: void SignalSyncpt(const u32 syncpoint_id, const u32 value); - Kernel::KReadableEvent& GetEvent(u32 event_id); - - Kernel::KWritableEvent& GetEventWriteable(u32 event_id); + Kernel::KEvent* GetEvent(u32 event_id); private: + friend class EventInterface; + /// Manages syncpoints on the host SyncpointManager syncpoint_manager; @@ -159,6 +138,9 @@ private: EventInterface events_interface; KernelHelpers::ServiceContext service_context; + + void CreateEvent(u32 event_id); + void FreeEvent(u32 event_id); }; /// Registers all NVDRV services with the specified service manager. diff --git a/src/core/hle/service/nvdrv/nvdrv_interface.cpp b/src/core/hle/service/nvdrv/nvdrv_interface.cpp index b5a980384..07883feb2 100644 --- a/src/core/hle/service/nvdrv/nvdrv_interface.cpp +++ b/src/core/hle/service/nvdrv/nvdrv_interface.cpp @@ -5,6 +5,7 @@ #include "common/logging/log.h" #include "core/core.h" #include "core/hle/ipc_helpers.h" +#include "core/hle/kernel/k_event.h" #include "core/hle/kernel/k_readable_event.h" #include "core/hle/service/nvdrv/nvdata.h" #include "core/hle/service/nvdrv/nvdrv.h" @@ -164,8 +165,7 @@ void NVDRV::Initialize(Kernel::HLERequestContext& ctx) { void NVDRV::QueryEvent(Kernel::HLERequestContext& ctx) { IPC::RequestParser rp{ctx}; const auto fd = rp.Pop<DeviceFD>(); - const auto event_id = rp.Pop<u32>() & 0x00FF; - LOG_WARNING(Service_NVDRV, "(STUBBED) called, fd={:X}, event_id={:X}", fd, event_id); + const auto event_id = rp.Pop<u32>(); if (!is_initialized) { ServiceError(ctx, NvResult::NotInitialized); @@ -180,12 +180,13 @@ void NVDRV::QueryEvent(Kernel::HLERequestContext& ctx) { return; } - if (event_id < MaxNvEvents) { + auto* event = nvdrv->GetEvent(event_id); + + if (event) { IPC::ResponseBuilder rb{ctx, 3, 1}; rb.Push(ResultSuccess); - auto& event = nvdrv->GetEvent(event_id); - event.Clear(); - rb.PushCopyObjects(event); + auto& readable_event = event->GetReadableEvent(); + rb.PushCopyObjects(readable_event); rb.PushEnum(NvResult::Success); } else { IPC::ResponseBuilder rb{ctx, 3}; |