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// Copyright 2020 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <map>
#include <vector>
#include "common/common_types.h"
#include "common/swap.h"
#include "core/hle/service/nvdrv/devices/nvdevice.h"
namespace Service::Nvidia {
class SyncpointManager;
namespace Devices {
class nvmap;
class nvhost_nvdec_common : public nvdevice {
public:
explicit nvhost_nvdec_common(Core::System& system_, std::shared_ptr<nvmap> nvmap_dev_,
SyncpointManager& syncpoint_manager_);
~nvhost_nvdec_common() override;
protected:
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{};
};
struct IoctlSetNvmapFD {
s32_le nvmap_fd{};
};
static_assert(sizeof(IoctlSetNvmapFD) == 4, "IoctlSetNvmapFD is incorrect size");
struct IoctlSubmitCommandBuffer {
u32_le id{};
u32_le offset{};
u32_le count{};
};
static_assert(sizeof(IoctlSubmitCommandBuffer) == 0xC,
"IoctlSubmitCommandBuffer is incorrect size");
struct IoctlSubmit {
u32_le cmd_buffer_count{};
u32_le relocation_count{};
u32_le syncpoint_count{};
u32_le fence_count{};
};
static_assert(sizeof(IoctlSubmit) == 0x10, "IoctlSubmit has incorrect size");
struct CommandBuffer {
s32 memory_id{};
u32 offset{};
s32 word_count{};
};
static_assert(sizeof(CommandBuffer) == 0xC, "CommandBuffer has incorrect size");
struct Reloc {
s32 cmdbuffer_memory{};
s32 cmdbuffer_offset{};
s32 target{};
s32 target_offset{};
};
static_assert(sizeof(Reloc) == 0x10, "CommandBuffer has incorrect size");
struct SyncptIncr {
u32 id{};
u32 increments{};
};
static_assert(sizeof(SyncptIncr) == 0x8, "CommandBuffer has incorrect size");
struct Fence {
u32 id{};
u32 value{};
};
static_assert(sizeof(Fence) == 0x8, "CommandBuffer has incorrect size");
struct IoctlGetSyncpoint {
// Input
u32_le param{};
// Output
u32_le value{};
};
static_assert(sizeof(IoctlGetSyncpoint) == 8, "IocGetIdParams has wrong size");
struct IoctlGetWaitbase {
u32_le unknown{}; // seems to be ignored? Nintendo added this
u32_le value{};
};
static_assert(sizeof(IoctlGetWaitbase) == 0x8, "IoctlGetWaitbase is incorrect size");
struct IoctlMapBuffer {
u32_le num_entries{};
u32_le data_address{}; // Ignored by the driver.
u32_le attach_host_ch_das{};
};
static_assert(sizeof(IoctlMapBuffer) == 0x0C, "IoctlMapBuffer is incorrect size");
struct IocGetIdParams {
// Input
u32_le param{};
// Output
u32_le value{};
};
static_assert(sizeof(IocGetIdParams) == 8, "IocGetIdParams has wrong size");
// Used for mapping and unmapping command buffers
struct MapBufferEntry {
u32_le map_handle{};
u32_le map_address{};
};
static_assert(sizeof(IoctlMapBuffer) == 0x0C, "IoctlMapBuffer is incorrect size");
/// Ioctl command implementations
NvResult SetNVMAPfd(const std::vector<u8>& input);
NvResult Submit(const std::vector<u8>& input, std::vector<u8>& output);
NvResult GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output);
NvResult GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output);
NvResult MapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
NvResult UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
NvResult SetSubmitTimeout(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);
s32_le nvmap_fd{};
u32_le submit_timeout{};
std::shared_ptr<nvmap> nvmap_dev;
SyncpointManager& syncpoint_manager;
std::array<u32, MaxSyncPoints> device_syncpoints{};
// This is expected to be ordered, therefore we must use a map, not unordered_map
std::map<GPUVAddr, BufferMap> buffer_mappings;
};
}; // namespace Devices
} // namespace Service::Nvidia
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