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NVDRV: Fix Open/Close and make sure each device is correctly created.

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This commit is contained in:
Fernando Sahmkow
2021-11-05 01:44:11 +01:00
parent de0e8eff42
commit af35dbcf63
14 changed files with 296 additions and 204 deletions
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182
src/core/hle/service/nvdrv/nvdrv.cpp
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@ -3,7 +3,6 @@
// 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>
@ -30,101 +29,39 @@
namespace Service::Nvidia {
EventInterface::EventInterface(Module& module_) : module{module_} {
events_mask = 0;
for (u32 i = 0; i < MaxNvEvents; i++) {
status[i] = EventState::Available;
events[i] = nullptr;
registered[i] = false;
EventInterface::EventInterface(Module& module_) : module{module_} {}
EventInterface::~EventInterface() = default;
void EventInterface::RegisterForSignal(Devices::nvhost_ctrl* device) {
std::unique_lock<std::mutex> lk(guard);
on_signal.push_back(device);
}
void EventInterface::UnregisterForSignal(Devices::nvhost_ctrl* device) {
std::unique_lock<std::mutex> lk(guard);
auto it = std::find(on_signal.begin(), on_signal.end(), device);
if (it != on_signal.end()) {
on_signal.erase(it);
}
}
EventInterface::~EventInterface() {
auto lk = Lock();
for (u32 i = 0; i < MaxNvEvents; i++) {
if (registered[i]) {
module.service_context.CloseEvent(events[i]);
events[i] = nullptr;
registered[i] = false;
}
}
for (auto* event : basic_events) {
module.service_context.CloseEvent(event);
void EventInterface::Signal(u32 syncpoint_id, u32 value) {
std::unique_lock<std::mutex> lk(guard);
for (auto* device : on_signal) {
device->SignalNvEvent(syncpoint_id, value);
}
}
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] =
module.service_context.CreateEvent(fmt::format("NVDRV::NvEvent_{}", event_id));
status[event_id] = EventState::Available;
registered[event_id] = true;
const u64 mask = 1ULL << event_id;
fails[event_id] = 0;
events_mask |= mask;
assigned_syncpt[event_id] = 0;
}
void EventInterface::Free(u32 event_id) {
ASSERT(events[event_id]);
ASSERT(registered[event_id]);
ASSERT(!IsBeingUsed(event_id));
module.service_context.CloseEvent(events[event_id]);
events[event_id] = nullptr;
status[event_id] = EventState::Available;
registered[event_id] = false;
const u64 mask = ~(1ULL << event_id);
events_mask &= mask;
}
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;
}
Kernel::KEvent* EventInterface::CreateNonCtrlEvent(std::string name) {
Kernel::KEvent* EventInterface::CreateEvent(std::string name) {
Kernel::KEvent* new_event = module.service_context.CreateEvent(std::move(name));
basic_events.push_back(new_event);
return new_event;
}
void EventInterface::FreeEvent(Kernel::KEvent* event) {
module.service_context.CloseEvent(event);
}
void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger& nvflinger,
Core::System& system) {
auto module_ = std::make_shared<Module>(system);
@ -138,18 +75,50 @@ void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger
Module::Module(Core::System& system)
: service_context{system, "nvdrv"}, events_interface{*this}, container{system.GPU()} {
devices["/dev/nvhost-as-gpu"] = std::make_shared<Devices::nvhost_as_gpu>(system, container);
devices["/dev/nvhost-gpu"] =
std::make_shared<Devices::nvhost_gpu>(system, events_interface, container);
devices["/dev/nvhost-ctrl-gpu"] =
std::make_shared<Devices::nvhost_ctrl_gpu>(system, events_interface);
devices["/dev/nvmap"] = std::make_shared<Devices::nvmap>(system, container);
devices["/dev/nvdisp_disp0"] = std::make_shared<Devices::nvdisp_disp0>(system, container);
devices["/dev/nvhost-ctrl"] =
std::make_shared<Devices::nvhost_ctrl>(system, events_interface, container);
devices["/dev/nvhost-nvdec"] = std::make_shared<Devices::nvhost_nvdec>(system, container);
devices["/dev/nvhost-nvjpg"] = std::make_shared<Devices::nvhost_nvjpg>(system);
devices["/dev/nvhost-vic"] = std::make_shared<Devices::nvhost_vic>(system, container);
builders["/dev/nvhost-as-gpu"] = [this, &system](DeviceFD fd) {
std::shared_ptr<Devices::nvdevice> device =
std::make_shared<Devices::nvhost_as_gpu>(system, container);
return open_files.emplace(fd, device).first;
};
builders["/dev/nvhost-gpu"] = [this, &system](DeviceFD fd) {
std::shared_ptr<Devices::nvdevice> device =
std::make_shared<Devices::nvhost_gpu>(system, events_interface, container);
return open_files.emplace(fd, device).first;
};
builders["/dev/nvhost-ctrl-gpu"] = [this, &system](DeviceFD fd) {
std::shared_ptr<Devices::nvdevice> device =
std::make_shared<Devices::nvhost_ctrl_gpu>(system, events_interface);
return open_files.emplace(fd, device).first;
};
builders["/dev/nvmap"] = [this, &system](DeviceFD fd) {
std::shared_ptr<Devices::nvdevice> device =
std::make_shared<Devices::nvmap>(system, container);
return open_files.emplace(fd, device).first;
};
builders["/dev/nvdisp_disp0"] = [this, &system](DeviceFD fd) {
std::shared_ptr<Devices::nvdevice> device =
std::make_shared<Devices::nvdisp_disp0>(system, container);
return open_files.emplace(fd, device).first;
};
builders["/dev/nvhost-ctrl"] = [this, &system](DeviceFD fd) {
std::shared_ptr<Devices::nvdevice> device =
std::make_shared<Devices::nvhost_ctrl>(system, events_interface, container);
return open_files.emplace(fd, device).first;
};
builders["/dev/nvhost-nvdec"] = [this, &system](DeviceFD fd) {
std::shared_ptr<Devices::nvdevice> device =
std::make_shared<Devices::nvhost_nvdec>(system, container);
return open_files.emplace(fd, device).first;
};
builders["/dev/nvhost-nvjpg"] = [this, &system](DeviceFD fd) {
std::shared_ptr<Devices::nvdevice> device = std::make_shared<Devices::nvhost_nvjpg>(system);
return open_files.emplace(fd, device).first;
};
builders["/dev/nvhost-vic"] = [this, &system](DeviceFD fd) {
std::shared_ptr<Devices::nvdevice> device =
std::make_shared<Devices::nvhost_vic>(system, container);
return open_files.emplace(fd, device).first;
};
}
Module::~Module() = default;
@ -169,18 +138,18 @@ NvResult Module::VerifyFD(DeviceFD fd) const {
}
DeviceFD Module::Open(const std::string& device_name) {
if (devices.find(device_name) == devices.end()) {
auto it = builders.find(device_name);
if (it == builders.end()) {
LOG_ERROR(Service_NVDRV, "Trying to open unknown device {}", device_name);
return INVALID_NVDRV_FD;
}
auto device = devices[device_name];
const DeviceFD fd = next_fd++;
auto& builder = it->second;
auto device = builder(fd)->second;
device->OnOpen(fd);
open_files[fd] = std::move(device);
return fd;
}
@ -256,14 +225,7 @@ NvResult Module::Close(DeviceFD fd) {
}
void Module::SignalSyncpt(const u32 syncpoint_id, const u32 value) {
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.assigned_syncpt[i] == syncpoint_id &&
events_interface.assigned_value[i] == value) {
events_interface.Signal(i);
}
}
events_interface.Signal(syncpoint_id, value);
}
NvResult Module::QueryEvent(DeviceFD fd, u32 event_id, Kernel::KEvent*& event) {