From 05def613980a0e3b723d0d8d38eb68511272bb72 Mon Sep 17 00:00:00 2001 From: bunnei Date: Sun, 26 Jul 2020 00:16:21 -0400 Subject: hle: nvdrv: Rewrite of GPU memory management. --- .../hle/service/nvdrv/devices/nvhost_as_gpu.cpp | 202 ++++++++++++++------- src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h | 79 ++++++-- src/core/hle/service/nvdrv/devices/nvmap.cpp | 33 ++-- src/core/hle/service/nvdrv/devices/nvmap.h | 6 +- 4 files changed, 227 insertions(+), 93 deletions(-) (limited to 'src/core/hle') diff --git a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp index 195421cc0..d4ba88147 100644 --- a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp +++ b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp @@ -16,11 +16,12 @@ #include "video_core/renderer_base.h" namespace Service::Nvidia::Devices { + namespace NvErrCodes { -enum { - InvalidNmapHandle = -22, -}; -} +constexpr u32 Success{}; +constexpr u32 OutOfMemory{static_cast(-12)}; +constexpr u32 InvalidInput{static_cast(-22)}; +} // namespace NvErrCodes nvhost_as_gpu::nvhost_as_gpu(Core::System& system, std::shared_ptr nvmap_dev) : nvdevice(system), nvmap_dev(std::move(nvmap_dev)) {} @@ -49,8 +50,9 @@ u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector& input, const std: break; } - if (static_cast(command.cmd.Value()) == IoctlCommand::IocRemapCommand) + if (static_cast(command.cmd.Value()) == IoctlCommand::IocRemapCommand) { return Remap(input, output); + } UNIMPLEMENTED_MSG("Unimplemented ioctl command"); return 0; @@ -59,6 +61,7 @@ u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector& input, const std: u32 nvhost_as_gpu::InitalizeEx(const std::vector& input, std::vector& output) { IoctlInitalizeEx params{}; std::memcpy(¶ms, input.data(), input.size()); + LOG_WARNING(Service_NVDRV, "(STUBBED) called, big_page_size=0x{:X}", params.big_page_size); return 0; @@ -67,53 +70,61 @@ u32 nvhost_as_gpu::InitalizeEx(const std::vector& input, std::vector& ou u32 nvhost_as_gpu::AllocateSpace(const std::vector& input, std::vector& output) { IoctlAllocSpace params{}; std::memcpy(¶ms, input.data(), input.size()); + LOG_DEBUG(Service_NVDRV, "called, pages={:X}, page_size={:X}, flags={:X}", params.pages, params.page_size, params.flags); - auto& gpu = system.GPU(); - const u64 size{static_cast(params.pages) * static_cast(params.page_size)}; - if (params.flags & 1) { - params.offset = gpu.MemoryManager().AllocateSpace(params.offset, size, 1); + const auto size{static_cast(params.pages) * static_cast(params.page_size)}; + if ((params.flags & AddressSpaceFlags::FixedOffset) != AddressSpaceFlags::None) { + params.offset = *system.GPU().MemoryManager().AllocateFixed(params.offset, size); } else { - params.offset = gpu.MemoryManager().AllocateSpace(size, params.align); + params.offset = system.GPU().MemoryManager().Allocate(size, params.align); + } + + auto result{NvErrCodes::Success}; + if (!params.offset) { + LOG_CRITICAL(Service_NVDRV, "allocation failed for size {}", size); + result = NvErrCodes::OutOfMemory; } std::memcpy(output.data(), ¶ms, output.size()); - return 0; + return result; } u32 nvhost_as_gpu::Remap(const std::vector& input, std::vector& output) { - std::size_t num_entries = input.size() / sizeof(IoctlRemapEntry); + const auto num_entries = input.size() / sizeof(IoctlRemapEntry); - LOG_WARNING(Service_NVDRV, "(STUBBED) called, num_entries=0x{:X}", num_entries); + LOG_DEBUG(Service_NVDRV, "called, num_entries=0x{:X}", num_entries); + auto result{NvErrCodes::Success}; std::vector entries(num_entries); std::memcpy(entries.data(), input.data(), input.size()); - auto& gpu = system.GPU(); for (const auto& entry : entries) { - LOG_WARNING(Service_NVDRV, "remap entry, offset=0x{:X} handle=0x{:X} pages=0x{:X}", - entry.offset, entry.nvmap_handle, entry.pages); - GPUVAddr offset = static_cast(entry.offset) << 0x10; - auto object = nvmap_dev->GetObject(entry.nvmap_handle); + LOG_DEBUG(Service_NVDRV, "remap entry, offset=0x{:X} handle=0x{:X} pages=0x{:X}", + entry.offset, entry.nvmap_handle, entry.pages); + + const auto object{nvmap_dev->GetObject(entry.nvmap_handle)}; if (!object) { - LOG_CRITICAL(Service_NVDRV, "nvmap {} is an invalid handle!", entry.nvmap_handle); - std::memcpy(output.data(), entries.data(), output.size()); - return static_cast(NvErrCodes::InvalidNmapHandle); + LOG_CRITICAL(Service_NVDRV, "invalid nvmap_handle={:X}", entry.nvmap_handle); + result = NvErrCodes::InvalidInput; + break; } - ASSERT(object->status == nvmap::Object::Status::Allocated); + const auto offset{static_cast(entry.offset) << 0x10}; + const auto size{static_cast(entry.pages) << 0x10}; + const auto map_offset{static_cast(entry.map_offset) << 0x10}; + const auto addr{system.GPU().MemoryManager().Map(object->addr + map_offset, offset, size)}; - const u64 size = static_cast(entry.pages) << 0x10; - ASSERT(size <= object->size); - const u64 map_offset = static_cast(entry.map_offset) << 0x10; - - const GPUVAddr returned = - gpu.MemoryManager().MapBufferEx(object->addr + map_offset, offset, size); - ASSERT(returned == offset); + if (!addr) { + LOG_CRITICAL(Service_NVDRV, "map returned an invalid address!"); + result = NvErrCodes::InvalidInput; + break; + } } + std::memcpy(output.data(), entries.data(), output.size()); - return 0; + return result; } u32 nvhost_as_gpu::MapBufferEx(const std::vector& input, std::vector& output) { @@ -126,44 +137,76 @@ u32 nvhost_as_gpu::MapBufferEx(const std::vector& input, std::vector& ou params.flags, params.nvmap_handle, params.buffer_offset, params.mapping_size, params.offset); - if (!params.nvmap_handle) { - return 0; + const auto object{nvmap_dev->GetObject(params.nvmap_handle)}; + if (!object) { + LOG_CRITICAL(Service_NVDRV, "invalid nvmap_handle={:X}", params.nvmap_handle); + std::memcpy(output.data(), ¶ms, output.size()); + return NvErrCodes::InvalidInput; } - auto object = nvmap_dev->GetObject(params.nvmap_handle); - ASSERT(object); - - // We can only map objects that have already been assigned a CPU address. - ASSERT(object->status == nvmap::Object::Status::Allocated); - - ASSERT(params.buffer_offset == 0); - // The real nvservices doesn't make a distinction between handles and ids, and // object can only have one handle and it will be the same as its id. Assert that this is the // case to prevent unexpected behavior. ASSERT(object->id == params.nvmap_handle); - auto& gpu = system.GPU(); - if (params.flags & 1) { - params.offset = gpu.MemoryManager().MapBufferEx(object->addr, params.offset, object->size); - } else { - params.offset = gpu.MemoryManager().MapBufferEx(object->addr, object->size); + u64 page_size{params.page_size}; + if (!page_size) { + page_size = object->align; + } + + if ((params.flags & AddressSpaceFlags::Remap) != AddressSpaceFlags::None) { + if (const auto buffer_map{FindBufferMap(params.offset)}; buffer_map) { + const auto cpu_addr{static_cast(buffer_map->CpuAddr() + params.buffer_offset)}; + const auto gpu_addr{static_cast(params.offset + params.buffer_offset)}; + + if (!gpu.MemoryManager().Map(cpu_addr, gpu_addr, params.mapping_size)) { + LOG_CRITICAL(Service_NVDRV, + "remap failed, flags={:X}, nvmap_handle={:X}, buffer_offset={}, " + "mapping_size = {}, offset={}", + params.flags, params.nvmap_handle, params.buffer_offset, + params.mapping_size, params.offset); + + std::memcpy(output.data(), ¶ms, output.size()); + return NvErrCodes::InvalidInput; + } + + std::memcpy(output.data(), ¶ms, output.size()); + return NvErrCodes::Success; + } else { + LOG_CRITICAL(Service_NVDRV, "address not mapped offset={}", params.offset); + + std::memcpy(output.data(), ¶ms, output.size()); + return NvErrCodes::InvalidInput; + } } - // Create a new mapping entry for this operation. - ASSERT_MSG(buffer_mappings.find(params.offset) == buffer_mappings.end(), - "Offset is already mapped"); + // We can only map objects that have already been assigned a CPU address. + ASSERT(object->status == nvmap::Object::Status::Allocated); + + const auto physical_address{object->addr + params.buffer_offset}; + u64 size{params.mapping_size}; + if (!size) { + size = object->size; + } - BufferMapping mapping{}; - mapping.nvmap_handle = params.nvmap_handle; - mapping.offset = params.offset; - mapping.size = object->size; + const bool is_alloc{(params.flags & AddressSpaceFlags::FixedOffset) == AddressSpaceFlags::None}; + if (is_alloc) { + params.offset = gpu.MemoryManager().MapAllocate(physical_address, size, page_size); + } else { + params.offset = gpu.MemoryManager().Map(physical_address, params.offset, size); + } - buffer_mappings[params.offset] = mapping; + auto result{NvErrCodes::Success}; + if (!params.offset) { + LOG_CRITICAL(Service_NVDRV, "failed to map size={}", size); + result = NvErrCodes::InvalidInput; + } else { + AddBufferMap(params.offset, size, physical_address, is_alloc); + } std::memcpy(output.data(), ¶ms, output.size()); - return 0; + return result; } u32 nvhost_as_gpu::UnmapBuffer(const std::vector& input, std::vector& output) { @@ -172,24 +215,20 @@ u32 nvhost_as_gpu::UnmapBuffer(const std::vector& input, std::vector& ou LOG_DEBUG(Service_NVDRV, "called, offset=0x{:X}", params.offset); - const auto itr = buffer_mappings.find(params.offset); - if (itr == buffer_mappings.end()) { - LOG_WARNING(Service_NVDRV, "Tried to unmap an invalid offset 0x{:X}", params.offset); - // Hardware tests shows that unmapping an already unmapped buffer always returns successful - // and doesn't fail. - return 0; + if (const auto size{RemoveBufferMap(params.offset)}; size) { + system.GPU().MemoryManager().Unmap(params.offset, *size); + } else { + LOG_ERROR(Service_NVDRV, "invalid offset=0x{:X}", params.offset); } - params.offset = system.GPU().MemoryManager().UnmapBuffer(params.offset, itr->second.size); - buffer_mappings.erase(itr->second.offset); - std::memcpy(output.data(), ¶ms, output.size()); - return 0; + return NvErrCodes::Success; } u32 nvhost_as_gpu::BindChannel(const std::vector& input, std::vector& output) { IoctlBindChannel params{}; std::memcpy(¶ms, input.data(), input.size()); + LOG_DEBUG(Service_NVDRV, "called, fd={:X}", params.fd); channel = params.fd; @@ -199,6 +238,7 @@ u32 nvhost_as_gpu::BindChannel(const std::vector& input, std::vector& ou u32 nvhost_as_gpu::GetVARegions(const std::vector& input, std::vector& output) { IoctlGetVaRegions params{}; std::memcpy(¶ms, input.data(), input.size()); + LOG_WARNING(Service_NVDRV, "(STUBBED) called, buf_addr={:X}, buf_size={:X}", params.buf_addr, params.buf_size); @@ -210,9 +250,43 @@ u32 nvhost_as_gpu::GetVARegions(const std::vector& input, std::vector& o params.regions[1].offset = 0x04000000; params.regions[1].page_size = 0x10000; params.regions[1].pages = 0x1bffff; + // TODO(ogniK): This probably can stay stubbed but should add support way way later + std::memcpy(output.data(), ¶ms, output.size()); return 0; } +std::optional nvhost_as_gpu::FindBufferMap(GPUVAddr gpu_addr) const { + const auto end{buffer_mappings.upper_bound(gpu_addr)}; + for (auto iter{buffer_mappings.begin()}; iter != end; ++iter) { + if (gpu_addr >= iter->second.StartAddr() && gpu_addr < iter->second.EndAddr()) { + return iter->second; + } + } + + return {}; +} + +void nvhost_as_gpu::AddBufferMap(GPUVAddr gpu_addr, std::size_t size, VAddr cpu_addr, + bool is_allocated) { + buffer_mappings[gpu_addr] = {gpu_addr, size, cpu_addr, is_allocated}; +} + +std::optional nvhost_as_gpu::RemoveBufferMap(GPUVAddr gpu_addr) { + if (const auto iter{buffer_mappings.find(gpu_addr)}; iter != buffer_mappings.end()) { + std::size_t size{}; + + if (iter->second.IsAllocated()) { + size = iter->second.Size(); + } + + buffer_mappings.erase(iter); + + return size; + } + + return {}; +} + } // namespace Service::Nvidia::Devices diff --git a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h index f79fcc065..9a0cdff0c 100644 --- a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h +++ b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h @@ -4,9 +4,12 @@ #pragma once +#include #include -#include +#include #include + +#include "common/common_funcs.h" #include "common/common_types.h" #include "common/swap.h" #include "core/hle/service/nvdrv/devices/nvdevice.h" @@ -15,6 +18,13 @@ namespace Service::Nvidia::Devices { class nvmap; +enum class AddressSpaceFlags : u32 { + None = 0x0, + FixedOffset = 0x1, + Remap = 0x100, +}; +DECLARE_ENUM_FLAG_OPERATORS(AddressSpaceFlags); + class nvhost_as_gpu final : public nvdevice { public: explicit nvhost_as_gpu(Core::System& system, std::shared_ptr nvmap_dev); @@ -25,6 +35,45 @@ public: IoctlVersion version) override; private: + class BufferMap final { + public: + constexpr BufferMap() = default; + + constexpr BufferMap(GPUVAddr start_addr, std::size_t size) + : start_addr{start_addr}, end_addr{start_addr + size} {} + + constexpr BufferMap(GPUVAddr start_addr, std::size_t size, VAddr cpu_addr, + bool is_allocated) + : start_addr{start_addr}, end_addr{start_addr + size}, cpu_addr{cpu_addr}, + is_allocated{is_allocated} {} + + constexpr VAddr StartAddr() const { + return start_addr; + } + + constexpr VAddr EndAddr() const { + return end_addr; + } + + constexpr std::size_t Size() const { + return end_addr - start_addr; + } + + constexpr VAddr CpuAddr() const { + return cpu_addr; + } + + constexpr bool IsAllocated() const { + return is_allocated; + } + + private: + GPUVAddr start_addr{}; + GPUVAddr end_addr{}; + VAddr cpu_addr{}; + bool is_allocated{}; + }; + enum class IoctlCommand : u32_le { IocInitalizeExCommand = 0x40284109, IocAllocateSpaceCommand = 0xC0184102, @@ -49,7 +98,7 @@ private: struct IoctlAllocSpace { u32_le pages; u32_le page_size; - u32_le flags; + AddressSpaceFlags flags; INSERT_PADDING_WORDS(1); union { u64_le offset; @@ -69,18 +118,18 @@ private: static_assert(sizeof(IoctlRemapEntry) == 20, "IoctlRemapEntry is incorrect size"); struct IoctlMapBufferEx { - u32_le flags; // bit0: fixed_offset, bit2: cacheable - u32_le kind; // -1 is default + AddressSpaceFlags flags; // bit0: fixed_offset, bit2: cacheable + u32_le kind; // -1 is default u32_le nvmap_handle; u32_le page_size; // 0 means don't care - u64_le buffer_offset; + s64_le buffer_offset; u64_le mapping_size; - u64_le offset; + s64_le offset; }; static_assert(sizeof(IoctlMapBufferEx) == 40, "IoctlMapBufferEx is incorrect size"); struct IoctlUnmapBuffer { - u64_le offset; + s64_le offset; }; static_assert(sizeof(IoctlUnmapBuffer) == 8, "IoctlUnmapBuffer is incorrect size"); @@ -106,15 +155,6 @@ private: static_assert(sizeof(IoctlGetVaRegions) == 16 + sizeof(IoctlVaRegion) * 2, "IoctlGetVaRegions is incorrect size"); - struct BufferMapping { - u64 offset; - u64 size; - u32 nvmap_handle; - }; - - /// Map containing the nvmap object mappings in GPU memory. - std::unordered_map buffer_mappings; - u32 channel{}; u32 InitalizeEx(const std::vector& input, std::vector& output); @@ -125,7 +165,14 @@ private: u32 BindChannel(const std::vector& input, std::vector& output); u32 GetVARegions(const std::vector& input, std::vector& output); + std::optional FindBufferMap(GPUVAddr gpu_addr) const; + void AddBufferMap(GPUVAddr gpu_addr, std::size_t size, VAddr cpu_addr, bool is_allocated); + std::optional RemoveBufferMap(GPUVAddr gpu_addr); + std::shared_ptr nvmap_dev; + + // This is expected to be ordered, therefore we must use a map, not unordered_map + std::map buffer_mappings; }; } // namespace Service::Nvidia::Devices diff --git a/src/core/hle/service/nvdrv/devices/nvmap.cpp b/src/core/hle/service/nvdrv/devices/nvmap.cpp index 8c742316c..7228910a0 100644 --- a/src/core/hle/service/nvdrv/devices/nvmap.cpp +++ b/src/core/hle/service/nvdrv/devices/nvmap.cpp @@ -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& 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->id = next_id++; + object->size = size; + object->status = Object::Status::Created; + object->refcount = 1; + + const u32 handle = next_handle++; + + handles[handle] = std::move(object); + + return handle; +} + u32 nvmap::IocCreate(const std::vector& input, std::vector& output) { IocCreateParams params; std::memcpy(¶ms, input.data(), sizeof(params)); @@ -59,17 +79,8 @@ u32 nvmap::IocCreate(const std::vector& input, std::vector& output) { LOG_ERROR(Service_NVDRV, "Size is 0"); return static_cast(NvErrCodes::InvalidValue); } - // Create a new nvmap object and obtain a handle to it. - auto object = std::make_shared(); - 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; diff --git a/src/core/hle/service/nvdrv/devices/nvmap.h b/src/core/hle/service/nvdrv/devices/nvmap.h index 73c2e8809..84624be00 100644 --- a/src/core/hle/service/nvdrv/devices/nvmap.h +++ b/src/core/hle/service/nvdrv/devices/nvmap.h @@ -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> handles; @@ -119,6 +119,8 @@ private: }; static_assert(sizeof(IocGetIdParams) == 8, "IocGetIdParams has wrong size"); + u32 CreateObject(u32 size); + u32 IocCreate(const std::vector& input, std::vector& output); u32 IocAlloc(const std::vector& input, std::vector& output); u32 IocGetId(const std::vector& input, std::vector& output); -- cgit v1.2.3