diff options
Diffstat (limited to 'src/core/hle/service/nvdrv/devices/nvhost_nvdec_common.cpp')
| -rw-r--r-- | src/core/hle/service/nvdrv/devices/nvhost_nvdec_common.cpp | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_nvdec_common.cpp b/src/core/hle/service/nvdrv/devices/nvhost_nvdec_common.cpp new file mode 100644 index 000000000..85792495f --- /dev/null +++ b/src/core/hle/service/nvdrv/devices/nvhost_nvdec_common.cpp @@ -0,0 +1,234 @@ +// Copyright 2020 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <algorithm> +#include <cstring> + +#include "common/assert.h" +#include "common/common_types.h" +#include "common/logging/log.h" +#include "core/core.h" +#include "core/hle/service/nvdrv/devices/nvhost_nvdec_common.h" +#include "core/hle/service/nvdrv/devices/nvmap.h" +#include "core/memory.h" +#include "video_core/memory_manager.h" +#include "video_core/renderer_base.h" + +namespace Service::Nvidia::Devices { + +namespace { +// Splice vectors will copy count amount of type T from the input vector into the dst vector. +template <typename T> +std::size_t SpliceVectors(const std::vector<u8>& input, std::vector<T>& dst, std::size_t count, + std::size_t offset) { + std::memcpy(dst.data(), input.data() + offset, count * sizeof(T)); + offset += count * sizeof(T); + return offset; +} + +// Write vectors will write data to the output buffer +template <typename T> +std::size_t WriteVectors(std::vector<u8>& dst, const std::vector<T>& src, std::size_t offset) { + std::memcpy(dst.data() + offset, src.data(), src.size() * sizeof(T)); + offset += src.size() * sizeof(T); + return offset; +} +} // Anonymous namespace + +namespace NvErrCodes { +constexpr u32 Success{}; +constexpr u32 OutOfMemory{static_cast<u32>(-12)}; +constexpr u32 InvalidInput{static_cast<u32>(-22)}; +} // namespace NvErrCodes + +nvhost_nvdec_common::nvhost_nvdec_common(Core::System& system, std::shared_ptr<nvmap> nvmap_dev) + : nvdevice(system), nvmap_dev(std::move(nvmap_dev)) {} +nvhost_nvdec_common::~nvhost_nvdec_common() = default; + +u32 nvhost_nvdec_common::SetNVMAPfd(const std::vector<u8>& input) { + IoctlSetNvmapFD params{}; + std::memcpy(¶ms, input.data(), sizeof(IoctlSetNvmapFD)); + LOG_DEBUG(Service_NVDRV, "called, fd={}", params.nvmap_fd); + + nvmap_fd = params.nvmap_fd; + return 0; +} + +u32 nvhost_nvdec_common::Submit(const std::vector<u8>& input, std::vector<u8>& output) { + IoctlSubmit params{}; + std::memcpy(¶ms, input.data(), sizeof(IoctlSubmit)); + LOG_DEBUG(Service_NVDRV, "called NVDEC Submit, cmd_buffer_count={}", params.cmd_buffer_count); + + // Instantiate param buffers + std::size_t offset = sizeof(IoctlSubmit); + std::vector<CommandBuffer> command_buffers(params.cmd_buffer_count); + std::vector<Reloc> relocs(params.relocation_count); + std::vector<u32> reloc_shifts(params.relocation_count); + std::vector<SyncptIncr> syncpt_increments(params.syncpoint_count); + std::vector<SyncptIncr> wait_checks(params.syncpoint_count); + std::vector<Fence> fences(params.fence_count); + + // Splice input into their respective buffers + offset = SpliceVectors(input, command_buffers, params.cmd_buffer_count, offset); + offset = SpliceVectors(input, relocs, params.relocation_count, offset); + offset = SpliceVectors(input, reloc_shifts, params.relocation_count, offset); + offset = SpliceVectors(input, syncpt_increments, params.syncpoint_count, offset); + offset = SpliceVectors(input, wait_checks, params.syncpoint_count, offset); + offset = SpliceVectors(input, fences, params.fence_count, offset); + + // TODO(ameerj): For async gpu, utilize fences for syncpoint 'max' increment + + auto& gpu = system.GPU(); + + for (const auto& cmd_buffer : command_buffers) { + auto object = nvmap_dev->GetObject(cmd_buffer.memory_id); + ASSERT_OR_EXECUTE(object, return NvErrCodes::InvalidInput;); + const auto map = FindBufferMap(object->dma_map_addr); + if (!map) { + LOG_ERROR(Service_NVDRV, "Tried to submit an invalid offset 0x{:X} dma 0x{:X}", + object->addr, object->dma_map_addr); + return 0; + } + Tegra::ChCommandHeaderList cmdlist(cmd_buffer.word_count); + gpu.MemoryManager().ReadBlock(map->StartAddr() + cmd_buffer.offset, cmdlist.data(), + cmdlist.size() * sizeof(u32)); + gpu.PushCommandBuffer(cmdlist); + } + + std::memcpy(output.data(), ¶ms, sizeof(IoctlSubmit)); + // Some games expect command_buffers to be written back + offset = sizeof(IoctlSubmit); + offset = WriteVectors(output, command_buffers, offset); + offset = WriteVectors(output, relocs, offset); + offset = WriteVectors(output, reloc_shifts, offset); + offset = WriteVectors(output, syncpt_increments, offset); + offset = WriteVectors(output, wait_checks, offset); + + return NvErrCodes::Success; +} + +u32 nvhost_nvdec_common::GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output) { + IoctlGetSyncpoint params{}; + std::memcpy(¶ms, input.data(), sizeof(IoctlGetSyncpoint)); + LOG_DEBUG(Service_NVDRV, "called GetSyncpoint, id={}", params.param); + + // We found that implementing this causes deadlocks with async gpu, along with degraded + // performance. TODO: RE the nvdec async implementation + params.value = 0; + std::memcpy(output.data(), ¶ms, sizeof(IoctlGetSyncpoint)); + + return NvErrCodes::Success; +} + +u32 nvhost_nvdec_common::GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output) { + IoctlGetWaitbase params{}; + std::memcpy(¶ms, input.data(), sizeof(IoctlGetWaitbase)); + params.value = 0; // Seems to be hard coded at 0 + std::memcpy(output.data(), ¶ms, sizeof(IoctlGetWaitbase)); + return 0; +} + +u32 nvhost_nvdec_common::MapBuffer(const std::vector<u8>& input, std::vector<u8>& output) { + IoctlMapBuffer params{}; + std::memcpy(¶ms, input.data(), sizeof(IoctlMapBuffer)); + std::vector<MapBufferEntry> cmd_buffer_handles(params.num_entries); + + SpliceVectors(input, cmd_buffer_handles, params.num_entries, sizeof(IoctlMapBuffer)); + + auto& gpu = system.GPU(); + + for (auto& cmf_buff : cmd_buffer_handles) { + auto object{nvmap_dev->GetObject(cmf_buff.map_handle)}; + if (!object) { + LOG_ERROR(Service_NVDRV, "invalid cmd_buffer nvmap_handle={:X}", cmf_buff.map_handle); + std::memcpy(output.data(), ¶ms, output.size()); + return NvErrCodes::InvalidInput; + } + if (object->dma_map_addr == 0) { + // NVDEC and VIC memory is in the 32-bit address space + // MapAllocate32 will attempt to map a lower 32-bit value in the shared gpu memory space + const GPUVAddr low_addr = gpu.MemoryManager().MapAllocate32(object->addr, object->size); + object->dma_map_addr = static_cast<u32>(low_addr); + // Ensure that the dma_map_addr is indeed in the lower 32-bit address space. + ASSERT(object->dma_map_addr == low_addr); + } + if (!object->dma_map_addr) { + LOG_ERROR(Service_NVDRV, "failed to map size={}", object->size); + } else { + cmf_buff.map_address = object->dma_map_addr; + AddBufferMap(object->dma_map_addr, object->size, object->addr, + object->status == nvmap::Object::Status::Allocated); + } + } + std::memcpy(output.data(), ¶ms, sizeof(IoctlMapBuffer)); + std::memcpy(output.data() + sizeof(IoctlMapBuffer), cmd_buffer_handles.data(), + cmd_buffer_handles.size() * sizeof(MapBufferEntry)); + + return NvErrCodes::Success; +} + +u32 nvhost_nvdec_common::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output) { + IoctlMapBuffer params{}; + std::memcpy(¶ms, input.data(), sizeof(IoctlMapBuffer)); + std::vector<MapBufferEntry> cmd_buffer_handles(params.num_entries); + SpliceVectors(input, cmd_buffer_handles, params.num_entries, sizeof(IoctlMapBuffer)); + + auto& gpu = system.GPU(); + + for (auto& cmf_buff : cmd_buffer_handles) { + const auto object{nvmap_dev->GetObject(cmf_buff.map_handle)}; + if (!object) { + LOG_ERROR(Service_NVDRV, "invalid cmd_buffer nvmap_handle={:X}", cmf_buff.map_handle); + std::memcpy(output.data(), ¶ms, output.size()); + return NvErrCodes::InvalidInput; + } + if (const auto size{RemoveBufferMap(object->dma_map_addr)}; size) { + gpu.MemoryManager().Unmap(object->dma_map_addr, *size); + } else { + // This occurs quite frequently, however does not seem to impact functionality + LOG_DEBUG(Service_NVDRV, "invalid offset=0x{:X} dma=0x{:X}", object->addr, + object->dma_map_addr); + } + object->dma_map_addr = 0; + } + std::memset(output.data(), 0, output.size()); + return NvErrCodes::Success; +} + +u32 nvhost_nvdec_common::SetSubmitTimeout(const std::vector<u8>& input, std::vector<u8>& output) { + std::memcpy(&submit_timeout, input.data(), input.size()); + LOG_WARNING(Service_NVDRV, "(STUBBED) called"); + return NvErrCodes::Success; +} + +std::optional<nvhost_nvdec_common::BufferMap> nvhost_nvdec_common::FindBufferMap( + GPUVAddr gpu_addr) const { + const auto it = std::find_if( + buffer_mappings.begin(), buffer_mappings.upper_bound(gpu_addr), [&](const auto& entry) { + return (gpu_addr >= entry.second.StartAddr() && gpu_addr < entry.second.EndAddr()); + }); + + ASSERT(it != buffer_mappings.end()); + return it->second; +} + +void nvhost_nvdec_common::AddBufferMap(GPUVAddr gpu_addr, std::size_t size, VAddr cpu_addr, + bool is_allocated) { + buffer_mappings.insert_or_assign(gpu_addr, BufferMap{gpu_addr, size, cpu_addr, is_allocated}); +} + +std::optional<std::size_t> nvhost_nvdec_common::RemoveBufferMap(GPUVAddr gpu_addr) { + const auto iter{buffer_mappings.find(gpu_addr)}; + if (iter == buffer_mappings.end()) { + return std::nullopt; + } + std::size_t size = 0; + if (iter->second.IsAllocated()) { + size = iter->second.Size(); + } + buffer_mappings.erase(iter); + return size; +} + +} // namespace Service::Nvidia::Devices |