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GPU-SMMU: Estimate game leak and preallocate device region.

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This commit is contained in:
Fernando Sahmkow
2023-12-30 03:36:24 +01:00
committed by Liam
parent 96fd1348ae
commit 0adc09e0af
9 changed files with 329 additions and 27 deletions
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2
src/core/CMakeLists.txt
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@@ -611,6 +611,8 @@ add_library(core STATIC
hle/service/ns/pdm_qry.h
hle/service/nvdrv/core/container.cpp
hle/service/nvdrv/core/container.h
hle/service/nvdrv/core/heap_mapper.cpp
hle/service/nvdrv/core/heap_mapper.h
hle/service/nvdrv/core/nvmap.cpp
hle/service/nvdrv/core/nvmap.h
hle/service/nvdrv/core/syncpoint_manager.cpp

8
src/core/device_memory_manager.inc
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@@ -20,10 +20,10 @@ namespace Core {
namespace {
class PhysicalAddressContainer {
class MultiAddressContainer {
public:
PhysicalAddressContainer() = default;
~PhysicalAddressContainer() = default;
MultiAddressContainer() = default;
~MultiAddressContainer() = default;
void GatherValues(u32 start_entry, Common::ScratchBuffer<u32>& buffer) {
buffer.resize(8);
@@ -145,7 +145,7 @@ struct DeviceMemoryManagerAllocator {
std::conditional_t<supports_pinning, Common::FlatAllocator<DAddr, 0, pin_bits>, EmptyAllocator>
pin_allocator;
Common::FlatAllocator<DAddr, 0, device_virtual_bits> main_allocator;
PhysicalAddressContainer multi_dev_address;
MultiAddressContainer multi_dev_address;
/// Returns true when vaddr -> vaddr+size is fully contained in the buffer
template <bool pin_area>

62
src/core/hle/service/nvdrv/core/container.cpp
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@@ -8,6 +8,7 @@
#include "core/hle/kernel/k_process.h"
#include "core/hle/service/nvdrv/core/container.h"
#include "core/hle/service/nvdrv/core/heap_mapper.h"
#include "core/hle/service/nvdrv/core/nvmap.h"
#include "core/hle/service/nvdrv/core/syncpoint_manager.h"
#include "core/memory.h"
@@ -36,6 +37,14 @@ Container::~Container() = default;
size_t Container::OpenSession(Kernel::KProcess* process) {
std::scoped_lock lk(impl->session_guard);
for (auto& session : impl->sessions) {
if (!session.is_active) {
continue;
}
if (session.process == process) {
return session.id;
}
}
size_t new_id{};
auto* memory_interface = &process->GetMemory();
auto& smmu = impl->host1x.MemoryManager();
@@ -48,16 +57,65 @@ size_t Container::OpenSession(Kernel::KProcess* process) {
impl->sessions.emplace_back(new_id, process, smmu_id);
new_id = impl->new_ids++;
}
LOG_CRITICAL(Debug, "Created Session {}", new_id);
auto& session = impl->sessions[new_id];
session.is_active = true;
// Optimization
if (process->IsApplication()) {
auto& page_table = process->GetPageTable().GetBasePageTable();
auto heap_start = page_table.GetHeapRegionStart();
Kernel::KProcessAddress cur_addr = heap_start;
size_t region_size = 0;
VAddr region_start = 0;
while (true) {
Kernel::KMemoryInfo mem_info{};
Kernel::Svc::PageInfo page_info{};
R_ASSERT(page_table.QueryInfo(std::addressof(mem_info), std::addressof(page_info),
cur_addr));
auto svc_mem_info = mem_info.GetSvcMemoryInfo();
// check if this memory block is heap
if (svc_mem_info.state == Kernel::Svc::MemoryState::Normal) {
if (svc_mem_info.size > region_size) {
region_size = svc_mem_info.size;
region_start = svc_mem_info.base_address;
}
}
// Check if we're done.
const uintptr_t next_address = svc_mem_info.base_address + svc_mem_info.size;
if (next_address <= GetInteger(cur_addr)) {
break;
}
cur_addr = next_address;
}
session.has_preallocated_area = false;
auto start_region = (region_size >> 15) >= 1024 ? smmu.Allocate(region_size) : 0;
if (start_region != 0) {
session.mapper = std::make_unique<HeapMapper>(region_start, start_region, region_size,
smmu_id, impl->host1x);
session.has_preallocated_area = true;
LOG_CRITICAL(Debug, "Preallocation created!");
}
}
return new_id;
}
void Container::CloseSession(size_t id) {
std::scoped_lock lk(impl->session_guard);
auto& session = impl->sessions[id];
auto& smmu = impl->host1x.MemoryManager();
if (session.has_preallocated_area) {
const DAddr region_start = session.mapper->GetRegionStart();
const size_t region_size = session.mapper->GetRegionSize();
session.mapper.reset();
smmu.Free(region_start, region_size);
session.has_preallocated_area = false;
}
session.is_active = false;
smmu.UnregisterProcess(impl->sessions[id].smmu_id);
impl->id_pool.emplace_front(id);
LOG_CRITICAL(Debug, "Closed Session {}", id);
}
Session* Container::GetSession(size_t id) {

4
src/core/hle/service/nvdrv/core/container.h
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@@ -20,6 +20,7 @@ class Host1x;
namespace Service::Nvidia::NvCore {
class HeapMapper;
class NvMap;
class SyncpointManager;
@@ -29,6 +30,9 @@ struct Session {
size_t id;
Kernel::KProcess* process;
size_t smmu_id;
bool has_preallocated_area{};
std::unique_ptr<HeapMapper> mapper{};
bool is_active{};
};
class Container {

172
src/core/hle/service/nvdrv/core/heap_mapper.cpp Normal file
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@@ -0,0 +1,172 @@
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#include <mutex>
#include <boost/container/small_vector.hpp>
#define BOOST_NO_MT
#include <boost/pool/detail/mutex.hpp>
#undef BOOST_NO_MT
#include <boost/icl/interval.hpp>
#include <boost/icl/interval_base_set.hpp>
#include <boost/icl/interval_set.hpp>
#include <boost/icl/split_interval_map.hpp>
#include <boost/pool/pool.hpp>
#include <boost/pool/pool_alloc.hpp>
#include <boost/pool/poolfwd.hpp>
#include "core/hle/service/nvdrv/core/heap_mapper.h"
#include "video_core/host1x/host1x.h"
namespace boost {
template <typename T>
class fast_pool_allocator<T, default_user_allocator_new_delete, details::pool::null_mutex, 4096, 0>;
}
namespace Service::Nvidia::NvCore {
using IntervalCompare = std::less<DAddr>;
using IntervalInstance = boost::icl::interval_type_default<DAddr, std::less>;
using IntervalAllocator = boost::fast_pool_allocator<DAddr>;
using IntervalSet = boost::icl::interval_set<DAddr>;
using IntervalType = typename IntervalSet::interval_type;
template <typename Type>
struct counter_add_functor : public boost::icl::identity_based_inplace_combine<Type> {
// types
typedef counter_add_functor<Type> type;
typedef boost::icl::identity_based_inplace_combine<Type> base_type;
// public member functions
void operator()(Type& current, const Type& added) const {
current += added;
if (current < base_type::identity_element()) {
current = base_type::identity_element();
}
}
// public static functions
static void version(Type&){};
};
using OverlapCombine = counter_add_functor<int>;
using OverlapSection = boost::icl::inter_section<int>;
using OverlapCounter = boost::icl::split_interval_map<DAddr, int>;
struct HeapMapper::HeapMapperInternal {
HeapMapperInternal(Tegra::Host1x::Host1x& host1x) : device_memory{host1x.MemoryManager()} {}
~HeapMapperInternal() = default;
template <typename Func>
void ForEachInOverlapCounter(OverlapCounter& current_range, VAddr cpu_addr, u64 size,
Func&& func) {
const DAddr start_address = cpu_addr;
const DAddr end_address = start_address + size;
const IntervalType search_interval{start_address, end_address};
auto it = current_range.lower_bound(search_interval);
if (it == current_range.end()) {
return;
}
auto end_it = current_range.upper_bound(search_interval);
for (; it != end_it; it++) {
auto& inter = it->first;
DAddr inter_addr_end = inter.upper();
DAddr inter_addr = inter.lower();
if (inter_addr_end > end_address) {
inter_addr_end = end_address;
}
if (inter_addr < start_address) {
inter_addr = start_address;
}
func(inter_addr, inter_addr_end, it->second);
}
}
void RemoveEachInOverlapCounter(OverlapCounter& current_range,
const IntervalType search_interval, int subtract_value) {
bool any_removals = false;
current_range.add(std::make_pair(search_interval, subtract_value));
do {
any_removals = false;
auto it = current_range.lower_bound(search_interval);
if (it == current_range.end()) {
return;
}
auto end_it = current_range.upper_bound(search_interval);
for (; it != end_it; it++) {
if (it->second <= 0) {
any_removals = true;
current_range.erase(it);
break;
}
}
} while (any_removals);
}
IntervalSet base_set;
OverlapCounter mapping_overlaps;
Tegra::MaxwellDeviceMemoryManager& device_memory;
std::mutex guard;
};
HeapMapper::HeapMapper(VAddr start_vaddress, DAddr start_daddress, size_t size, size_t smmu_id,
Tegra::Host1x::Host1x& host1x)
: m_vaddress{start_vaddress}, m_daddress{start_daddress}, m_size{size}, m_smmu_id{smmu_id} {
m_internal = std::make_unique<HeapMapperInternal>(host1x);
}
HeapMapper::~HeapMapper() {
m_internal->device_memory.Unmap(m_daddress, m_size);
}
DAddr HeapMapper::Map(VAddr start, size_t size) {
std::scoped_lock lk(m_internal->guard);
m_internal->base_set.clear();
const IntervalType interval{start, start + size};
m_internal->base_set.insert(interval);
m_internal->ForEachInOverlapCounter(m_internal->mapping_overlaps, start, size, [this](VAddr start_addr, VAddr end_addr, int){
const IntervalType other{start_addr, end_addr};
m_internal->base_set.subtract(other);
});
if (!m_internal->base_set.empty()) {
auto it = m_internal->base_set.begin();
auto end_it = m_internal->base_set.end();
for (; it != end_it; it++) {
const VAddr inter_addr_end = it->upper();
const VAddr inter_addr = it->lower();
const size_t offset = inter_addr - m_vaddress;
const size_t sub_size = inter_addr_end - inter_addr;
m_internal->device_memory.Map(m_daddress + offset, m_vaddress + offset, sub_size, m_smmu_id);
}
}
m_internal->mapping_overlaps += std::make_pair(interval, 1);
m_internal->base_set.clear();
return m_daddress + (start - m_vaddress);
}
void HeapMapper::Unmap(VAddr start, size_t size) {
std::scoped_lock lk(m_internal->guard);
m_internal->base_set.clear();
m_internal->ForEachInOverlapCounter(m_internal->mapping_overlaps, start, size, [this](VAddr start_addr, VAddr end_addr, int value) {
if (value <= 1) {
const IntervalType other{start_addr, end_addr};
m_internal->base_set.insert(other);
}
});
if (!m_internal->base_set.empty()) {
auto it = m_internal->base_set.begin();
auto end_it = m_internal->base_set.end();
for (; it != end_it; it++) {
const VAddr inter_addr_end = it->upper();
const VAddr inter_addr = it->lower();
const size_t offset = inter_addr - m_vaddress;
const size_t sub_size = inter_addr_end - inter_addr;
m_internal->device_memory.Unmap(m_daddress + offset, sub_size);
}
}
const IntervalType to_remove{start, start + size};
m_internal->RemoveEachInOverlapCounter(m_internal->mapping_overlaps, to_remove, -1);
m_internal->base_set.clear();
}
} // namespace Service::Nvidia::NvCore

48
src/core/hle/service/nvdrv/core/heap_mapper.h Normal file
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@@ -0,0 +1,48 @@
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <memory>
#include "common/common_types.h"
namespace Tegra::Host1x {
class Host1x;
} // namespace Tegra::Host1x
namespace Service::Nvidia::NvCore {
class HeapMapper {
public:
HeapMapper(VAddr start_vaddress, DAddr start_daddress, size_t size, size_t smmu_id,
Tegra::Host1x::Host1x& host1x);
~HeapMapper();
bool IsInBounds(VAddr start, size_t size) const {
VAddr end = start + size;
return start >= m_vaddress && end <= (m_vaddress + m_size);
}
DAddr Map(VAddr start, size_t size);
void Unmap(VAddr start, size_t size);
DAddr GetRegionStart() const {
return m_daddress;
}
size_t GetRegionSize() const {
return m_size;
}
private:
struct HeapMapperInternal;
VAddr m_vaddress;
DAddr m_daddress;
size_t m_size;
size_t m_smmu_id;
std::unique_ptr<HeapMapperInternal> m_internal;
};
} // namespace Service::Nvidia::NvCore

56
src/core/hle/service/nvdrv/core/nvmap.cpp
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@@ -8,10 +8,12 @@
#include "common/assert.h"
#include "common/logging/log.h"
#include "core/hle/service/nvdrv/core/container.h"
#include "core/hle/service/nvdrv/core/heap_mapper.h"
#include "core/hle/service/nvdrv/core/nvmap.h"
#include "core/memory.h"
#include "video_core/host1x/host1x.h"
using Core::Memory::YUZU_PAGESIZE;
namespace Service::Nvidia::NvCore {
@@ -90,10 +92,19 @@ void NvMap::UnmapHandle(Handle& handle_description) {
}
// Free and unmap the handle from the SMMU
auto& smmu = host1x.MemoryManager();
smmu.Unmap(handle_description.d_address, handle_description.aligned_size);
smmu.Free(handle_description.d_address, static_cast<size_t>(handle_description.aligned_size));
const size_t map_size = handle_description.aligned_size;
if (!handle_description.in_heap) {
auto& smmu = host1x.MemoryManager();
smmu.Unmap(handle_description.d_address, map_size);
smmu.Free(handle_description.d_address, static_cast<size_t>(map_size));
handle_description.d_address = 0;
return;
}
const VAddr vaddress = handle_description.address;
auto* session = core.GetSession(handle_description.session_id);
session->mapper->Unmap(vaddress, map_size);
handle_description.d_address = 0;
handle_description.in_heap = false;
}
bool NvMap::TryRemoveHandle(const Handle& handle_description) {
@@ -188,24 +199,31 @@ DAddr NvMap::PinHandle(NvMap::Handle::Id handle, size_t session_id, bool low_are
DAddr address{};
auto& smmu = host1x.MemoryManager();
auto* session = core.GetSession(session_id);
while ((address = smmu.Allocate(handle_description->aligned_size)) == 0) {
// Free handles until the allocation succeeds
std::scoped_lock queueLock(unmap_queue_lock);
if (auto freeHandleDesc{unmap_queue.front()}) {
// Handles in the unmap queue are guaranteed not to be pinned so don't bother
// checking if they are before unmapping
std::scoped_lock freeLock(freeHandleDesc->mutex);
if (handle_description->d_address)
UnmapHandle(*freeHandleDesc);
} else {
LOG_CRITICAL(Service_NVDRV, "Ran out of SMMU address space!");
const VAddr vaddress = handle_description->address;
const size_t map_size = handle_description->aligned_size;
handle_description->session_id = session_id;
if (session->has_preallocated_area && session->mapper->IsInBounds(vaddress, map_size)) {
handle_description->d_address = session->mapper->Map(vaddress, map_size);
handle_description->in_heap = true;
} else {
while ((address = smmu.Allocate(map_size)) == 0) {
// Free handles until the allocation succeeds
std::scoped_lock queueLock(unmap_queue_lock);
if (auto freeHandleDesc{unmap_queue.front()}) {
// Handles in the unmap queue are guaranteed not to be pinned so don't bother
// checking if they are before unmapping
std::scoped_lock freeLock(freeHandleDesc->mutex);
if (handle_description->d_address)
UnmapHandle(*freeHandleDesc);
} else {
LOG_CRITICAL(Service_NVDRV, "Ran out of SMMU address space!");
}
}
handle_description->d_address = address;
smmu.Map(address, vaddress, map_size, session->smmu_id);
handle_description->in_heap = false;
}
handle_description->d_address = address;
smmu.Map(address, handle_description->address, handle_description->aligned_size,
session->smmu_id);
}
if (low_area_pin) {

2
src/core/hle/service/nvdrv/core/nvmap.h
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@@ -70,6 +70,8 @@ public:
u8 kind{}; //!< Used for memory compression
bool allocated{}; //!< If the handle has been allocated with `Alloc`
bool in_heap{};
size_t session_id{};
DAddr d_address{}; //!< The memory location in the device's AS that this handle corresponds to,
//!< this can also be in the nvdrv tmem

2
src/video_core/gpu.cpp
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@@ -34,8 +34,6 @@
#include "video_core/renderer_base.h"
#include "video_core/shader_notify.h"
#pragma optimize("", off)
namespace Tegra {
struct GPU::Impl {