File size: 5,301 Bytes
3708354 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 | // SPDX-FileCopyrightText: 2016 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
namespace IPC {
/// Size of the command buffer area, in 32-bit words.
constexpr std::size_t COMMAND_BUFFER_LENGTH = 0x100 / sizeof(u32);
enum class ControlCommand : u32 {
ConvertSessionToDomain = 0,
ConvertDomainToSession = 1,
DuplicateSession = 2,
QueryPointerBufferSize = 3,
DuplicateSessionEx = 4,
Unspecified,
};
enum class CommandType : u32 {
Invalid = 0,
LegacyRequest = 1,
Close = 2,
LegacyControl = 3,
Request = 4,
Control = 5,
RequestWithContext = 6,
ControlWithContext = 7,
TIPC_Close = 15,
TIPC_CommandRegion = 16, // Start of TIPC commands, this is an offset.
};
struct CommandHeader {
union {
u32_le raw_low;
BitField<0, 16, CommandType> type;
BitField<16, 4, u32> num_buf_x_descriptors;
BitField<20, 4, u32> num_buf_a_descriptors;
BitField<24, 4, u32> num_buf_b_descriptors;
BitField<28, 4, u32> num_buf_w_descriptors;
};
enum class BufferDescriptorCFlag : u32 {
Disabled = 0,
InlineDescriptor = 1,
OneDescriptor = 2,
};
union {
u32_le raw_high;
BitField<0, 10, u32> data_size;
BitField<10, 4, BufferDescriptorCFlag> buf_c_descriptor_flags;
BitField<31, 1, u32> enable_handle_descriptor;
};
bool IsTipc() const {
return type.Value() >= CommandType::TIPC_CommandRegion;
}
bool IsCloseCommand() const {
switch (type.Value()) {
case CommandType::Close:
case CommandType::TIPC_Close:
return true;
default:
return false;
}
}
};
static_assert(sizeof(CommandHeader) == 8, "CommandHeader size is incorrect");
union HandleDescriptorHeader {
u32_le raw_high;
BitField<0, 1, u32> send_current_pid;
BitField<1, 4, u32> num_handles_to_copy;
BitField<5, 4, u32> num_handles_to_move;
};
static_assert(sizeof(HandleDescriptorHeader) == 4, "HandleDescriptorHeader size is incorrect");
struct BufferDescriptorX {
union {
BitField<0, 6, u32> counter_bits_0_5;
BitField<6, 3, u32> address_bits_36_38;
BitField<9, 3, u32> counter_bits_9_11;
BitField<12, 4, u32> address_bits_32_35;
BitField<16, 16, u32> size;
};
u32_le address_bits_0_31;
u32_le Counter() const {
u32_le counter{counter_bits_0_5};
counter |= counter_bits_9_11 << 9;
return counter;
}
VAddr Address() const {
VAddr address{address_bits_0_31};
address |= static_cast<VAddr>(address_bits_32_35) << 32;
address |= static_cast<VAddr>(address_bits_36_38) << 36;
return address;
}
u64 Size() const {
return static_cast<u64>(size);
}
};
static_assert(sizeof(BufferDescriptorX) == 8, "BufferDescriptorX size is incorrect");
struct BufferDescriptorABW {
u32_le size_bits_0_31;
u32_le address_bits_0_31;
union {
BitField<0, 2, u32> flags;
BitField<2, 3, u32> address_bits_36_38;
BitField<24, 4, u32> size_bits_32_35;
BitField<28, 4, u32> address_bits_32_35;
};
VAddr Address() const {
VAddr address{address_bits_0_31};
address |= static_cast<VAddr>(address_bits_32_35) << 32;
address |= static_cast<VAddr>(address_bits_36_38) << 36;
return address;
}
u64 Size() const {
u64 size{size_bits_0_31};
size |= static_cast<u64>(size_bits_32_35) << 32;
return size;
}
};
static_assert(sizeof(BufferDescriptorABW) == 12, "BufferDescriptorABW size is incorrect");
struct BufferDescriptorC {
u32_le address_bits_0_31;
union {
BitField<0, 16, u32> address_bits_32_47;
BitField<16, 16, u32> size;
};
VAddr Address() const {
VAddr address{address_bits_0_31};
address |= static_cast<VAddr>(address_bits_32_47) << 32;
return address;
}
u64 Size() const {
return static_cast<u64>(size);
}
};
static_assert(sizeof(BufferDescriptorC) == 8, "BufferDescriptorC size is incorrect");
struct DataPayloadHeader {
u32_le magic;
INSERT_PADDING_WORDS_NOINIT(1);
};
static_assert(sizeof(DataPayloadHeader) == 8, "DataPayloadHeader size is incorrect");
struct DomainMessageHeader {
enum class CommandType : u32_le {
SendMessage = 1,
CloseVirtualHandle = 2,
};
union {
// Used when responding to an IPC request, Server -> Client.
struct {
u32_le num_objects;
INSERT_PADDING_WORDS_NOINIT(3);
};
// Used when performing an IPC request, Client -> Server.
struct {
union {
BitField<0, 8, CommandType> command;
BitField<8, 8, u32> input_object_count;
BitField<16, 16, u32> size;
};
u32_le object_id;
INSERT_PADDING_WORDS_NOINIT(2);
};
std::array<u32, 4> raw;
};
};
static_assert(sizeof(DomainMessageHeader) == 16, "DomainMessageHeader size is incorrect");
} // namespace IPC
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