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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <unordered_map>
#include <vector>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/hle/service/nvdrv/devices/nvdevice.h"
namespace Service {
namespace Nvidia {
namespace Devices {
class nvmap final : public nvdevice {
public:
nvmap() = default;
~nvmap() override = default;
/// Returns the allocated address of an nvmap object given its handle.
VAddr GetObjectAddress(u32 handle) const;
u32 ioctl(u32 command, const std::vector<u8>& input, std::vector<u8>& output) override;
private:
// Represents an nvmap object.
struct Object {
enum class Status { Created, Allocated };
u32 id;
u32 size;
u32 flags;
u32 align;
u8 kind;
VAddr addr;
Status status;
};
/// Id to use for the next handle that is created.
u32 next_handle = 1;
// Id to use for the next object that is created.
u32 next_id = 1;
/// Mapping of currently allocated handles to the objects they represent.
std::unordered_map<u32, std::shared_ptr<Object>> handles;
enum IoctlCommands {
IocCreateCommand = 0xC0080101,
IocFromIdCommand = 0xC0080103,
IocAllocCommand = 0xC0200104,
IocParamCommand = 0xC00C0109,
IocGetIdCommand = 0xC008010E
};
struct IocCreateParams {
// Input
u32_le size;
// Output
u32_le handle;
};
struct IocAllocParams {
// Input
u32_le handle;
u32_le heap_mask;
u32_le flags;
u32_le align;
u8 kind;
INSERT_PADDING_BYTES(7);
u64_le addr;
};
struct IocGetIdParams {
// Output
u32_le id;
// Input
u32_le handle;
};
struct IocFromIdParams {
// Input
u32_le id;
// Output
u32_le handle;
};
struct IocParamParams {
// Input
u32_le handle;
u32_le type;
// Output
u32_le value;
};
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);
u32 IocFromId(const std::vector<u8>& input, std::vector<u8>& output);
u32 IocParam(const std::vector<u8>& input, std::vector<u8>& output);
};
} // namespace Devices
} // namespace Nvidia
} // namespace Service
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