Merge pull request #4430 from bunnei/new-gpu-vmm
hle: nvdrv: Rewrite of GPU memory management.
This commit is contained in:
bunnei
GitHub
commit
f11628b9b7
6 changed files with 451 additions and 613 deletions
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@ -16,11 +16,12 @@
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#include "video_core/renderer_base.h"
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namespace Service::Nvidia::Devices {
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namespace NvErrCodes {
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enum {
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InvalidNmapHandle = -22,
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};
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}
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constexpr u32 Success{};
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constexpr u32 OutOfMemory{static_cast<u32>(-12)};
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constexpr u32 InvalidInput{static_cast<u32>(-22)};
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} // namespace NvErrCodes
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nvhost_as_gpu::nvhost_as_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_dev)
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: nvdevice(system), nvmap_dev(std::move(nvmap_dev)) {}
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@ -49,8 +50,9 @@ u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector<u8>& input, const std:
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break;
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}
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if (static_cast<IoctlCommand>(command.cmd.Value()) == IoctlCommand::IocRemapCommand)
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if (static_cast<IoctlCommand>(command.cmd.Value()) == IoctlCommand::IocRemapCommand) {
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return Remap(input, output);
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}
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UNIMPLEMENTED_MSG("Unimplemented ioctl command");
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return 0;
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@ -59,6 +61,7 @@ u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector<u8>& input, const std:
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u32 nvhost_as_gpu::InitalizeEx(const std::vector<u8>& input, std::vector<u8>& output) {
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IoctlInitalizeEx params{};
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std::memcpy(¶ms, input.data(), input.size());
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LOG_WARNING(Service_NVDRV, "(STUBBED) called, big_page_size=0x{:X}", params.big_page_size);
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return 0;
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@ -67,53 +70,61 @@ u32 nvhost_as_gpu::InitalizeEx(const std::vector<u8>& input, std::vector<u8>& ou
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u32 nvhost_as_gpu::AllocateSpace(const std::vector<u8>& input, std::vector<u8>& output) {
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IoctlAllocSpace params{};
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std::memcpy(¶ms, input.data(), input.size());
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LOG_DEBUG(Service_NVDRV, "called, pages={:X}, page_size={:X}, flags={:X}", params.pages,
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params.page_size, params.flags);
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auto& gpu = system.GPU();
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const u64 size{static_cast<u64>(params.pages) * static_cast<u64>(params.page_size)};
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if (params.flags & 1) {
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params.offset = gpu.MemoryManager().AllocateSpace(params.offset, size, 1);
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const auto size{static_cast<u64>(params.pages) * static_cast<u64>(params.page_size)};
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if ((params.flags & AddressSpaceFlags::FixedOffset) != AddressSpaceFlags::None) {
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params.offset = *system.GPU().MemoryManager().AllocateFixed(params.offset, size);
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} else {
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params.offset = gpu.MemoryManager().AllocateSpace(size, params.align);
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params.offset = system.GPU().MemoryManager().Allocate(size, params.align);
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}
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auto result{NvErrCodes::Success};
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if (!params.offset) {
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LOG_CRITICAL(Service_NVDRV, "allocation failed for size {}", size);
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result = NvErrCodes::OutOfMemory;
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}
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std::memcpy(output.data(), ¶ms, output.size());
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return 0;
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return result;
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}
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u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output) {
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std::size_t num_entries = input.size() / sizeof(IoctlRemapEntry);
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const auto num_entries = input.size() / sizeof(IoctlRemapEntry);
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LOG_WARNING(Service_NVDRV, "(STUBBED) called, num_entries=0x{:X}", num_entries);
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LOG_DEBUG(Service_NVDRV, "called, num_entries=0x{:X}", num_entries);
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auto result{NvErrCodes::Success};
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std::vector<IoctlRemapEntry> entries(num_entries);
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std::memcpy(entries.data(), input.data(), input.size());
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auto& gpu = system.GPU();
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for (const auto& entry : entries) {
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LOG_WARNING(Service_NVDRV, "remap entry, offset=0x{:X} handle=0x{:X} pages=0x{:X}",
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entry.offset, entry.nvmap_handle, entry.pages);
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GPUVAddr offset = static_cast<GPUVAddr>(entry.offset) << 0x10;
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auto object = nvmap_dev->GetObject(entry.nvmap_handle);
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LOG_DEBUG(Service_NVDRV, "remap entry, offset=0x{:X} handle=0x{:X} pages=0x{:X}",
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entry.offset, entry.nvmap_handle, entry.pages);
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const auto object{nvmap_dev->GetObject(entry.nvmap_handle)};
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if (!object) {
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LOG_CRITICAL(Service_NVDRV, "nvmap {} is an invalid handle!", entry.nvmap_handle);
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std::memcpy(output.data(), entries.data(), output.size());
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return static_cast<u32>(NvErrCodes::InvalidNmapHandle);
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LOG_CRITICAL(Service_NVDRV, "invalid nvmap_handle={:X}", entry.nvmap_handle);
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result = NvErrCodes::InvalidInput;
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break;
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}
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ASSERT(object->status == nvmap::Object::Status::Allocated);
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const auto offset{static_cast<GPUVAddr>(entry.offset) << 0x10};
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const auto size{static_cast<u64>(entry.pages) << 0x10};
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const auto map_offset{static_cast<u64>(entry.map_offset) << 0x10};
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const auto addr{system.GPU().MemoryManager().Map(object->addr + map_offset, offset, size)};
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const u64 size = static_cast<u64>(entry.pages) << 0x10;
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ASSERT(size <= object->size);
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const u64 map_offset = static_cast<u64>(entry.map_offset) << 0x10;
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const GPUVAddr returned =
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gpu.MemoryManager().MapBufferEx(object->addr + map_offset, offset, size);
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ASSERT(returned == offset);
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if (!addr) {
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LOG_CRITICAL(Service_NVDRV, "map returned an invalid address!");
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result = NvErrCodes::InvalidInput;
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break;
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}
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}
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std::memcpy(output.data(), entries.data(), output.size());
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return 0;
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return result;
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}
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u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
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@ -126,44 +137,76 @@ u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& ou
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params.flags, params.nvmap_handle, params.buffer_offset, params.mapping_size,
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params.offset);
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if (!params.nvmap_handle) {
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return 0;
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const auto object{nvmap_dev->GetObject(params.nvmap_handle)};
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if (!object) {
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LOG_CRITICAL(Service_NVDRV, "invalid nvmap_handle={:X}", params.nvmap_handle);
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std::memcpy(output.data(), ¶ms, output.size());
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return NvErrCodes::InvalidInput;
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}
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auto object = nvmap_dev->GetObject(params.nvmap_handle);
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ASSERT(object);
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// We can only map objects that have already been assigned a CPU address.
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ASSERT(object->status == nvmap::Object::Status::Allocated);
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ASSERT(params.buffer_offset == 0);
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// The real nvservices doesn't make a distinction between handles and ids, and
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// object can only have one handle and it will be the same as its id. Assert that this is the
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// case to prevent unexpected behavior.
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ASSERT(object->id == params.nvmap_handle);
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auto& gpu = system.GPU();
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if (params.flags & 1) {
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params.offset = gpu.MemoryManager().MapBufferEx(object->addr, params.offset, object->size);
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} else {
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params.offset = gpu.MemoryManager().MapBufferEx(object->addr, object->size);
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u64 page_size{params.page_size};
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if (!page_size) {
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page_size = object->align;
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}
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// Create a new mapping entry for this operation.
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ASSERT_MSG(buffer_mappings.find(params.offset) == buffer_mappings.end(),
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"Offset is already mapped");
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if ((params.flags & AddressSpaceFlags::Remap) != AddressSpaceFlags::None) {
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if (const auto buffer_map{FindBufferMap(params.offset)}; buffer_map) {
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const auto cpu_addr{static_cast<VAddr>(buffer_map->CpuAddr() + params.buffer_offset)};
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const auto gpu_addr{static_cast<GPUVAddr>(params.offset + params.buffer_offset)};
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BufferMapping mapping{};
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mapping.nvmap_handle = params.nvmap_handle;
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mapping.offset = params.offset;
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mapping.size = object->size;
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if (!gpu.MemoryManager().Map(cpu_addr, gpu_addr, params.mapping_size)) {
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LOG_CRITICAL(Service_NVDRV,
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"remap failed, flags={:X}, nvmap_handle={:X}, buffer_offset={}, "
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"mapping_size = {}, offset={}",
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params.flags, params.nvmap_handle, params.buffer_offset,
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params.mapping_size, params.offset);
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buffer_mappings[params.offset] = mapping;
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std::memcpy(output.data(), ¶ms, output.size());
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return NvErrCodes::InvalidInput;
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}
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std::memcpy(output.data(), ¶ms, output.size());
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return NvErrCodes::Success;
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} else {
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LOG_CRITICAL(Service_NVDRV, "address not mapped offset={}", params.offset);
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std::memcpy(output.data(), ¶ms, output.size());
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return NvErrCodes::InvalidInput;
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}
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}
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// We can only map objects that have already been assigned a CPU address.
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ASSERT(object->status == nvmap::Object::Status::Allocated);
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const auto physical_address{object->addr + params.buffer_offset};
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u64 size{params.mapping_size};
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if (!size) {
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size = object->size;
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}
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const bool is_alloc{(params.flags & AddressSpaceFlags::FixedOffset) == AddressSpaceFlags::None};
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if (is_alloc) {
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params.offset = gpu.MemoryManager().MapAllocate(physical_address, size, page_size);
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} else {
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params.offset = gpu.MemoryManager().Map(physical_address, params.offset, size);
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}
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auto result{NvErrCodes::Success};
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if (!params.offset) {
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LOG_CRITICAL(Service_NVDRV, "failed to map size={}", size);
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result = NvErrCodes::InvalidInput;
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} else {
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AddBufferMap(params.offset, size, physical_address, is_alloc);
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}
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std::memcpy(output.data(), ¶ms, output.size());
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return 0;
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return result;
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}
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u32 nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
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@ -172,24 +215,20 @@ u32 nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& ou
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LOG_DEBUG(Service_NVDRV, "called, offset=0x{:X}", params.offset);
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const auto itr = buffer_mappings.find(params.offset);
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if (itr == buffer_mappings.end()) {
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LOG_WARNING(Service_NVDRV, "Tried to unmap an invalid offset 0x{:X}", params.offset);
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// Hardware tests shows that unmapping an already unmapped buffer always returns successful
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// and doesn't fail.
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return 0;
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if (const auto size{RemoveBufferMap(params.offset)}; size) {
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system.GPU().MemoryManager().Unmap(params.offset, *size);
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} else {
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LOG_ERROR(Service_NVDRV, "invalid offset=0x{:X}", params.offset);
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}
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params.offset = system.GPU().MemoryManager().UnmapBuffer(params.offset, itr->second.size);
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buffer_mappings.erase(itr->second.offset);
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std::memcpy(output.data(), ¶ms, output.size());
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return 0;
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return NvErrCodes::Success;
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}
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u32 nvhost_as_gpu::BindChannel(const std::vector<u8>& input, std::vector<u8>& output) {
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IoctlBindChannel params{};
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std::memcpy(¶ms, input.data(), input.size());
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LOG_DEBUG(Service_NVDRV, "called, fd={:X}", params.fd);
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channel = params.fd;
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@ -199,6 +238,7 @@ u32 nvhost_as_gpu::BindChannel(const std::vector<u8>& input, std::vector<u8>& ou
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u32 nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& output) {
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IoctlGetVaRegions params{};
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std::memcpy(¶ms, input.data(), input.size());
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LOG_WARNING(Service_NVDRV, "(STUBBED) called, buf_addr={:X}, buf_size={:X}", params.buf_addr,
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params.buf_size);
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@ -210,9 +250,43 @@ u32 nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& o
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params.regions[1].offset = 0x04000000;
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params.regions[1].page_size = 0x10000;
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params.regions[1].pages = 0x1bffff;
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// TODO(ogniK): This probably can stay stubbed but should add support way way later
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std::memcpy(output.data(), ¶ms, output.size());
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return 0;
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}
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std::optional<nvhost_as_gpu::BufferMap> nvhost_as_gpu::FindBufferMap(GPUVAddr gpu_addr) const {
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const auto end{buffer_mappings.upper_bound(gpu_addr)};
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for (auto iter{buffer_mappings.begin()}; iter != end; ++iter) {
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if (gpu_addr >= iter->second.StartAddr() && gpu_addr < iter->second.EndAddr()) {
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return iter->second;
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}
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}
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return {};
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}
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void nvhost_as_gpu::AddBufferMap(GPUVAddr gpu_addr, std::size_t size, VAddr cpu_addr,
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bool is_allocated) {
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buffer_mappings[gpu_addr] = {gpu_addr, size, cpu_addr, is_allocated};
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}
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std::optional<std::size_t> nvhost_as_gpu::RemoveBufferMap(GPUVAddr gpu_addr) {
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if (const auto iter{buffer_mappings.find(gpu_addr)}; iter != buffer_mappings.end()) {
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std::size_t size{};
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if (iter->second.IsAllocated()) {
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size = iter->second.Size();
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}
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buffer_mappings.erase(iter);
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return size;
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}
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return {};
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}
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} // namespace Service::Nvidia::Devices
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@ -4,9 +4,12 @@
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#pragma once
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#include <map>
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#include <memory>
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#include <unordered_map>
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#include <optional>
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#include <vector>
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "common/swap.h"
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#include "core/hle/service/nvdrv/devices/nvdevice.h"
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@ -15,6 +18,13 @@ namespace Service::Nvidia::Devices {
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class nvmap;
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enum class AddressSpaceFlags : u32 {
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None = 0x0,
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FixedOffset = 0x1,
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Remap = 0x100,
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};
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DECLARE_ENUM_FLAG_OPERATORS(AddressSpaceFlags);
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class nvhost_as_gpu final : public nvdevice {
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public:
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explicit nvhost_as_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_dev);
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@ -25,6 +35,45 @@ public:
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IoctlVersion version) override;
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private:
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class BufferMap final {
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public:
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constexpr BufferMap() = default;
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constexpr BufferMap(GPUVAddr start_addr, std::size_t size)
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: start_addr{start_addr}, end_addr{start_addr + size} {}
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constexpr BufferMap(GPUVAddr start_addr, std::size_t size, VAddr cpu_addr,
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bool is_allocated)
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: start_addr{start_addr}, end_addr{start_addr + size}, cpu_addr{cpu_addr},
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is_allocated{is_allocated} {}
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constexpr VAddr StartAddr() const {
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return start_addr;
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}
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constexpr VAddr EndAddr() const {
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return end_addr;
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}
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constexpr std::size_t Size() const {
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return end_addr - start_addr;
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}
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constexpr VAddr CpuAddr() const {
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return cpu_addr;
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}
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constexpr bool IsAllocated() const {
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return is_allocated;
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}
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private:
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GPUVAddr start_addr{};
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GPUVAddr end_addr{};
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VAddr cpu_addr{};
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bool is_allocated{};
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};
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enum class IoctlCommand : u32_le {
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IocInitalizeExCommand = 0x40284109,
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IocAllocateSpaceCommand = 0xC0184102,
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@ -49,7 +98,7 @@ private:
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struct IoctlAllocSpace {
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u32_le pages;
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u32_le page_size;
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u32_le flags;
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AddressSpaceFlags flags;
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INSERT_PADDING_WORDS(1);
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union {
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u64_le offset;
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@ -69,18 +118,18 @@ private:
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static_assert(sizeof(IoctlRemapEntry) == 20, "IoctlRemapEntry is incorrect size");
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struct IoctlMapBufferEx {
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u32_le flags; // bit0: fixed_offset, bit2: cacheable
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u32_le kind; // -1 is default
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AddressSpaceFlags flags; // bit0: fixed_offset, bit2: cacheable
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u32_le kind; // -1 is default
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u32_le nvmap_handle;
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u32_le page_size; // 0 means don't care
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u64_le buffer_offset;
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s64_le buffer_offset;
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u64_le mapping_size;
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u64_le offset;
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s64_le offset;
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};
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static_assert(sizeof(IoctlMapBufferEx) == 40, "IoctlMapBufferEx is incorrect size");
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struct IoctlUnmapBuffer {
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u64_le offset;
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s64_le offset;
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};
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static_assert(sizeof(IoctlUnmapBuffer) == 8, "IoctlUnmapBuffer is incorrect size");
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@ -106,15 +155,6 @@ private:
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static_assert(sizeof(IoctlGetVaRegions) == 16 + sizeof(IoctlVaRegion) * 2,
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"IoctlGetVaRegions is incorrect size");
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struct BufferMapping {
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u64 offset;
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u64 size;
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||||
u32 nvmap_handle;
|
||||
};
|
||||
|
||||
/// Map containing the nvmap object mappings in GPU memory.
|
||||
std::unordered_map<u64, BufferMapping> buffer_mappings;
|
||||
|
||||
u32 channel{};
|
||||
|
||||
u32 InitalizeEx(const std::vector<u8>& input, std::vector<u8>& output);
|
||||
|
|
@ -125,7 +165,14 @@ private:
|
|||
u32 BindChannel(const std::vector<u8>& input, std::vector<u8>& output);
|
||||
u32 GetVARegions(const std::vector<u8>& input, std::vector<u8>& output);
|
||||
|
||||
std::optional<BufferMap> FindBufferMap(GPUVAddr gpu_addr) const;
|
||||
void AddBufferMap(GPUVAddr gpu_addr, std::size_t size, VAddr cpu_addr, bool is_allocated);
|
||||
std::optional<std::size_t> RemoveBufferMap(GPUVAddr gpu_addr);
|
||||
|
||||
std::shared_ptr<nvmap> nvmap_dev;
|
||||
|
||||
// This is expected to be ordered, therefore we must use a map, not unordered_map
|
||||
std::map<GPUVAddr, BufferMap> buffer_mappings;
|
||||
};
|
||||
|
||||
} // namespace Service::Nvidia::Devices
|
||||
|
|
|
|||
|
|
@ -18,7 +18,12 @@ enum {
|
|||
};
|
||||
}
|
||||
|
||||
nvmap::nvmap(Core::System& system) : nvdevice(system) {}
|
||||
nvmap::nvmap(Core::System& system) : nvdevice(system) {
|
||||
// Handle 0 appears to be used when remapping, so we create a placeholder empty nvmap object to
|
||||
// represent this.
|
||||
CreateObject(0);
|
||||
}
|
||||
|
||||
nvmap::~nvmap() = default;
|
||||
|
||||
VAddr nvmap::GetObjectAddress(u32 handle) const {
|
||||
|
|
@ -50,6 +55,21 @@ u32 nvmap::ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<
|
|||
return 0;
|
||||
}
|
||||
|
||||
u32 nvmap::CreateObject(u32 size) {
|
||||
// Create a new nvmap object and obtain a handle to it.
|
||||
auto object = std::make_shared<Object>();
|
||||
object->id = next_id++;
|
||||
object->size = size;
|
||||
object->status = Object::Status::Created;
|
||||
object->refcount = 1;
|
||||
|
||||
const u32 handle = next_handle++;
|
||||
|
||||
handles.insert_or_assign(handle, std::move(object));
|
||||
|
||||
return handle;
|
||||
}
|
||||
|
||||
u32 nvmap::IocCreate(const std::vector<u8>& input, std::vector<u8>& output) {
|
||||
IocCreateParams params;
|
||||
std::memcpy(¶ms, input.data(), sizeof(params));
|
||||
|
|
@ -59,17 +79,8 @@ u32 nvmap::IocCreate(const std::vector<u8>& input, std::vector<u8>& output) {
|
|||
LOG_ERROR(Service_NVDRV, "Size is 0");
|
||||
return static_cast<u32>(NvErrCodes::InvalidValue);
|
||||
}
|
||||
// Create a new nvmap object and obtain a handle to it.
|
||||
auto object = std::make_shared<Object>();
|
||||
object->id = next_id++;
|
||||
object->size = params.size;
|
||||
object->status = Object::Status::Created;
|
||||
object->refcount = 1;
|
||||
|
||||
u32 handle = next_handle++;
|
||||
handles[handle] = std::move(object);
|
||||
|
||||
params.handle = handle;
|
||||
params.handle = CreateObject(params.size);
|
||||
|
||||
std::memcpy(output.data(), ¶ms, sizeof(params));
|
||||
return 0;
|
||||
|
|
|
|||
|
|
@ -49,10 +49,10 @@ public:
|
|||
|
||||
private:
|
||||
/// Id to use for the next handle that is created.
|
||||
u32 next_handle = 1;
|
||||
u32 next_handle = 0;
|
||||
|
||||
/// Id to use for the next object that is created.
|
||||
u32 next_id = 1;
|
||||
u32 next_id = 0;
|
||||
|
||||
/// Mapping of currently allocated handles to the objects they represent.
|
||||
std::unordered_map<u32, std::shared_ptr<Object>> handles;
|
||||
|
|
@ -119,6 +119,8 @@ private:
|
|||
};
|
||||
static_assert(sizeof(IocGetIdParams) == 8, "IocGetIdParams has wrong size");
|
||||
|
||||
u32 CreateObject(u32 size);
|
||||
|
||||
u32 IocCreate(const std::vector<u8>& input, std::vector<u8>& output);
|
||||
u32 IocAlloc(const std::vector<u8>& input, std::vector<u8>& output);
|
||||
u32 IocGetId(const std::vector<u8>& input, std::vector<u8>& output);
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue