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Merge pull request #12869 from FernandoS27/smmu-fixes

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SMMU: A set of different fixes.
This commit is contained in:
liamwhite 2024-01-31 11:22:29 -05:00 committed by GitHub
commit 22492b68b7
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GPG Key ID: B5690EEEBB952194
7 changed files with 190 additions and 80 deletions
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1
src/common/CMakeLists.txt
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@ -106,6 +106,7 @@ add_library(common STATIC
precompiled_headers.h
quaternion.h
range_map.h
range_mutex.h
reader_writer_queue.h
ring_buffer.h
${CMAKE_CURRENT_BINARY_DIR}/scm_rev.cpp

93
src/common/range_mutex.h Normal file
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@ -0,0 +1,93 @@
// SPDX-FileCopyrightText: 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <condition_variable>
#include <mutex>
#include "common/intrusive_list.h"
namespace Common {
class ScopedRangeLock;
class RangeMutex {
public:
explicit RangeMutex() = default;
~RangeMutex() = default;
private:
friend class ScopedRangeLock;
void Lock(ScopedRangeLock& l);
void Unlock(ScopedRangeLock& l);
bool HasIntersectionLocked(ScopedRangeLock& l);
private:
std::mutex m_mutex;
std::condition_variable m_cv;
using LockList = Common::IntrusiveListBaseTraits<ScopedRangeLock>::ListType;
LockList m_list;
};
class ScopedRangeLock : public Common::IntrusiveListBaseNode<ScopedRangeLock> {
public:
explicit ScopedRangeLock(RangeMutex& mutex, u64 address, u64 size)
: m_mutex(mutex), m_address(address), m_size(size) {
if (m_size > 0) {
m_mutex.Lock(*this);
}
}
~ScopedRangeLock() {
if (m_size > 0) {
m_mutex.Unlock(*this);
}
}
u64 GetAddress() const {
return m_address;
}
u64 GetSize() const {
return m_size;
}
private:
RangeMutex& m_mutex;
const u64 m_address{};
const u64 m_size{};
};
inline void RangeMutex::Lock(ScopedRangeLock& l) {
std::unique_lock lk{m_mutex};
m_cv.wait(lk, [&] { return !HasIntersectionLocked(l); });
m_list.push_back(l);
}
inline void RangeMutex::Unlock(ScopedRangeLock& l) {
{
std::scoped_lock lk{m_mutex};
m_list.erase(m_list.iterator_to(l));
}
m_cv.notify_all();
}
inline bool RangeMutex::HasIntersectionLocked(ScopedRangeLock& l) {
const auto cur_begin = l.GetAddress();
const auto cur_last = l.GetAddress() + l.GetSize() - 1;
for (const auto& other : m_list) {
const auto other_begin = other.GetAddress();
const auto other_last = other.GetAddress() + other.GetSize() - 1;
if (cur_begin <= other_last && other_begin <= cur_last) {
return true;
}
}
return false;
}
} // namespace Common

18
src/core/device_memory_manager.h
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@ -5,11 +5,13 @@
#include <array>
#include <atomic>
#include <bit>
#include <deque>
#include <memory>
#include <mutex>
#include "common/common_types.h"
#include "common/range_mutex.h"
#include "common/scratch_buffer.h"
#include "common/virtual_buffer.h"
@ -180,31 +182,35 @@ private:
}
Common::VirtualBuffer<VAddr> cpu_backing_address;
static constexpr size_t subentries = 8 / sizeof(u8);
using CounterType = u8;
using CounterAtomicType = std::atomic_uint8_t;
static constexpr size_t subentries = 8 / sizeof(CounterType);
static constexpr size_t subentries_mask = subentries - 1;
static constexpr size_t subentries_shift =
std::countr_zero(sizeof(u64)) - std::countr_zero(sizeof(CounterType));
class CounterEntry final {
public:
CounterEntry() = default;
std::atomic_uint8_t& Count(std::size_t page) {
CounterAtomicType& Count(std::size_t page) {
return values[page & subentries_mask];
}
const std::atomic_uint8_t& Count(std::size_t page) const {
const CounterAtomicType& Count(std::size_t page) const {
return values[page & subentries_mask];
}
private:
std::array<std::atomic_uint8_t, subentries> values{};
std::array<CounterAtomicType, subentries> values{};
};
static_assert(sizeof(CounterEntry) == subentries * sizeof(u8),
static_assert(sizeof(CounterEntry) == subentries * sizeof(CounterType),
"CounterEntry should be 8 bytes!");
static constexpr size_t num_counter_entries =
(1ULL << (device_virtual_bits - page_bits)) / subentries;
using CachedPages = std::array<CounterEntry, num_counter_entries>;
std::unique_ptr<CachedPages> cached_pages;
std::mutex counter_guard;
Common::RangeMutex counter_guard;
std::mutex mapping_guard;
};

63
src/core/device_memory_manager.inc
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@ -213,8 +213,8 @@ void DeviceMemoryManager<Traits>::Free(DAddr start, size_t size) {
}
template <typename Traits>
void DeviceMemoryManager<Traits>::Map(DAddr address, VAddr virtual_address, size_t size,
Asid asid, bool track) {
void DeviceMemoryManager<Traits>::Map(DAddr address, VAddr virtual_address, size_t size, Asid asid,
bool track) {
Core::Memory::Memory* process_memory = registered_processes[asid.id];
size_t start_page_d = address >> Memory::YUZU_PAGEBITS;
size_t num_pages = Common::AlignUp(size, Memory::YUZU_PAGESIZE) >> Memory::YUZU_PAGEBITS;
@ -508,12 +508,7 @@ void DeviceMemoryManager<Traits>::UnregisterProcess(Asid asid) {
template <typename Traits>
void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size, s32 delta) {
std::unique_lock<std::mutex> lk(counter_guard, std::defer_lock);
const auto Lock = [&] {
if (!lk) {
lk.lock();
}
};
Common::ScopedRangeLock lk(counter_guard, addr, size);
u64 uncache_begin = 0;
u64 cache_begin = 0;
u64 uncache_bytes = 0;
@ -524,22 +519,36 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size
const size_t page_end = Common::DivCeil(addr + size, Memory::YUZU_PAGESIZE);
size_t page = addr >> Memory::YUZU_PAGEBITS;
auto [asid, base_vaddress] = ExtractCPUBacking(page);
size_t vpage = base_vaddress >> Memory::YUZU_PAGEBITS;
auto* memory_device_inter = registered_processes[asid.id];
const auto release_pending = [&] {
if (uncache_bytes > 0) {
MarkRegionCaching(memory_device_inter, uncache_begin << Memory::YUZU_PAGEBITS,
uncache_bytes, false);
uncache_bytes = 0;
}
if (cache_bytes > 0) {
MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS,
cache_bytes, true);
cache_bytes = 0;
}
};
for (; page != page_end; ++page) {
std::atomic_uint8_t& count = cached_pages->at(page >> 3).Count(page);
CounterAtomicType& count = cached_pages->at(page >> subentries_shift).Count(page);
auto [asid_2, vpage] = ExtractCPUBacking(page);
vpage >>= Memory::YUZU_PAGEBITS;
if (delta > 0) {
ASSERT_MSG(count.load(std::memory_order::relaxed) < std::numeric_limits<u8>::max(),
"Count may overflow!");
} else if (delta < 0) {
ASSERT_MSG(count.load(std::memory_order::relaxed) > 0, "Count may underflow!");
} else {
ASSERT_MSG(false, "Delta must be non-zero!");
if (vpage == 0) [[unlikely]] {
release_pending();
continue;
}
if (asid.id != asid_2.id) [[unlikely]] {
release_pending();
memory_device_inter = registered_processes[asid_2.id];
}
// Adds or subtracts 1, as count is a unsigned 8-bit value
count.fetch_add(static_cast<u8>(delta), std::memory_order_release);
count.fetch_add(static_cast<CounterType>(delta), std::memory_order_release);
// Assume delta is either -1 or 1
if (count.load(std::memory_order::relaxed) == 0) {
@ -548,7 +557,6 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size
}
uncache_bytes += Memory::YUZU_PAGESIZE;
} else if (uncache_bytes > 0) {
Lock();
MarkRegionCaching(memory_device_inter, uncache_begin << Memory::YUZU_PAGEBITS,
uncache_bytes, false);
uncache_bytes = 0;
@ -559,23 +567,12 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size
}
cache_bytes += Memory::YUZU_PAGESIZE;
} else if (cache_bytes > 0) {
Lock();
MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS, cache_bytes,
true);
MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS,
cache_bytes, true);
cache_bytes = 0;
}
vpage++;
}
if (uncache_bytes > 0) {
Lock();
MarkRegionCaching(memory_device_inter, uncache_begin << Memory::YUZU_PAGEBITS, uncache_bytes,
false);
}
if (cache_bytes > 0) {
Lock();
MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS, cache_bytes,
true);
}
release_pending();
}
} // namespace Core

4
src/core/hle/service/nvdrv/core/container.cpp
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@ -83,7 +83,9 @@ SessionId Container::OpenSession(Kernel::KProcess* process) {
// Check if this memory block is heap.
if (svc_mem_info.state == Kernel::Svc::MemoryState::Normal) {
if (svc_mem_info.size > region_size) {
if (region_start + region_size == svc_mem_info.base_address) {
region_size += svc_mem_info.size;
} else if (svc_mem_info.size > region_size) {
region_size = svc_mem_info.size;
region_start = svc_mem_info.base_address;
}

27
src/video_core/texture_cache/texture_cache.h
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@ -1431,7 +1431,8 @@ ImageId TextureCache<P>::JoinImages(const ImageInfo& info, GPUVAddr gpu_addr, DA
}
}
};
ForEachSparseImageInRegion(gpu_addr, size_bytes, region_check_gpu);
ForEachSparseImageInRegion(channel_state->gpu_memory.GetID(), gpu_addr, size_bytes,
region_check_gpu);
bool can_rescale = info.rescaleable;
bool any_rescaled = false;
@ -1842,7 +1843,7 @@ void TextureCache<P>::ForEachImageInRegionGPU(size_t as_id, GPUVAddr gpu_addr, s
if (!storage_id) {
return;
}
auto& gpu_page_table = gpu_page_table_storage[*storage_id];
auto& gpu_page_table = gpu_page_table_storage[*storage_id * 2];
ForEachGPUPage(gpu_addr, size,
[this, &gpu_page_table, &images, gpu_addr, size, func](u64 page) {
const auto it = gpu_page_table.find(page);
@ -1882,11 +1883,18 @@ void TextureCache<P>::ForEachImageInRegionGPU(size_t as_id, GPUVAddr gpu_addr, s
template <class P>
template <typename Func>
void TextureCache<P>::ForEachSparseImageInRegion(GPUVAddr gpu_addr, size_t size, Func&& func) {
void TextureCache<P>::ForEachSparseImageInRegion(size_t as_id, GPUVAddr gpu_addr, size_t size,
Func&& func) {
using FuncReturn = typename std::invoke_result<Func, ImageId, Image&>::type;
static constexpr bool BOOL_BREAK = std::is_same_v<FuncReturn, bool>;
boost::container::small_vector<ImageId, 8> images;
ForEachGPUPage(gpu_addr, size, [this, &images, gpu_addr, size, func](u64 page) {
auto storage_id = getStorageID(as_id);
if (!storage_id) {
return;
}
auto& sparse_page_table = gpu_page_table_storage[*storage_id * 2 + 1];
ForEachGPUPage(gpu_addr, size,
[this, &sparse_page_table, &images, gpu_addr, size, func](u64 page) {
const auto it = sparse_page_table.find(page);
if (it == sparse_page_table.end()) {
if constexpr (BOOL_BREAK) {
@ -1988,8 +1996,9 @@ void TextureCache<P>::RegisterImage(ImageId image_id) {
sparse_maps.push_back(map_id);
});
sparse_views.emplace(image_id, std::move(sparse_maps));
ForEachGPUPage(image.gpu_addr, image.guest_size_bytes,
[this, image_id](u64 page) { sparse_page_table[page].push_back(image_id); });
ForEachGPUPage(image.gpu_addr, image.guest_size_bytes, [this, image_id](u64 page) {
(*channel_state->sparse_page_table)[page].push_back(image_id);
});
}
template <class P>
@ -2042,7 +2051,7 @@ void TextureCache<P>::UnregisterImage(ImageId image_id) {
return;
}
ForEachGPUPage(image.gpu_addr, image.guest_size_bytes, [this, &clear_page_table](u64 page) {
clear_page_table(page, sparse_page_table);
clear_page_table(page, (*channel_state->sparse_page_table));
});
auto it = sparse_views.find(image_id);
ASSERT(it != sparse_views.end());
@ -2496,13 +2505,15 @@ void TextureCache<P>::CreateChannel(struct Tegra::Control::ChannelState& channel
const auto it = channel_map.find(channel.bind_id);
auto* this_state = &channel_storage[it->second];
const auto& this_as_ref = address_spaces[channel.memory_manager->GetID()];
this_state->gpu_page_table = &gpu_page_table_storage[this_as_ref.storage_id];
this_state->gpu_page_table = &gpu_page_table_storage[this_as_ref.storage_id * 2];
this_state->sparse_page_table = &gpu_page_table_storage[this_as_ref.storage_id * 2 + 1];
}
/// Bind a channel for execution.
template <class P>
void TextureCache<P>::OnGPUASRegister([[maybe_unused]] size_t map_id) {
gpu_page_table_storage.emplace_back();
gpu_page_table_storage.emplace_back();
}
} // namespace VideoCommon

4
src/video_core/texture_cache/texture_cache_base.h
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@ -86,6 +86,7 @@ public:
std::unordered_map<TSCEntry, SamplerId> samplers;
TextureCacheGPUMap* gpu_page_table;
TextureCacheGPUMap* sparse_page_table;
};
template <class P>
@ -357,7 +358,7 @@ private:
void ForEachImageInRegionGPU(size_t as_id, GPUVAddr gpu_addr, size_t size, Func&& func);
template <typename Func>
void ForEachSparseImageInRegion(GPUVAddr gpu_addr, size_t size, Func&& func);
void ForEachSparseImageInRegion(size_t as_id, GPUVAddr gpu_addr, size_t size, Func&& func);
/// Iterates over all the images in a region calling func
template <typename Func>
@ -431,7 +432,6 @@ private:
std::unordered_map<RenderTargets, FramebufferId> framebuffers;
std::unordered_map<u64, std::vector<ImageMapId>, Common::IdentityHash<u64>> page_table;
std::unordered_map<u64, std::vector<ImageId>, Common::IdentityHash<u64>> sparse_page_table;
std::unordered_map<ImageId, boost::container::small_vector<ImageViewId, 16>> sparse_views;
DAddr virtual_invalid_space{};