Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 1 | #include "config.h" |
| 2 | |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 3 | #include "file_io.hpp" |
| 4 | |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 5 | #include "file_io_by_type.hpp" |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 6 | #include "file_table.hpp" |
Jinu Joy Thomas | f666db1 | 2019-05-29 05:22:31 -0500 | [diff] [blame] | 7 | #include "libpldmresponder/utils.hpp" |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 8 | #include "xyz/openbmc_project/Common/error.hpp" |
Jinu Joy Thomas | f666db1 | 2019-05-29 05:22:31 -0500 | [diff] [blame] | 9 | |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 10 | #include <fcntl.h> |
| 11 | #include <sys/mman.h> |
| 12 | #include <sys/stat.h> |
| 13 | #include <sys/types.h> |
| 14 | #include <unistd.h> |
| 15 | |
| 16 | #include <cstring> |
| 17 | #include <fstream> |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 18 | #include <iostream> |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 19 | #include <memory> |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 20 | |
| 21 | #include "libpldm/base.h" |
| 22 | |
| 23 | namespace pldm |
| 24 | { |
| 25 | |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 26 | using namespace sdbusplus::xyz::openbmc_project::Common::Error; |
| 27 | |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 28 | namespace responder |
| 29 | { |
| 30 | |
| 31 | namespace fs = std::filesystem; |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 32 | |
| 33 | namespace dma |
| 34 | { |
| 35 | |
| 36 | /** @struct AspeedXdmaOp |
| 37 | * |
| 38 | * Structure representing XDMA operation |
| 39 | */ |
| 40 | struct AspeedXdmaOp |
| 41 | { |
| 42 | uint64_t hostAddr; //!< the DMA address on the host side, configured by |
| 43 | //!< PCI subsystem. |
| 44 | uint32_t len; //!< the size of the transfer in bytes, it should be a |
| 45 | //!< multiple of 16 bytes |
| 46 | uint32_t upstream; //!< boolean indicating the direction of the DMA |
| 47 | //!< operation, true means a transfer from BMC to host. |
| 48 | }; |
| 49 | |
Deepak Kodihalli | 134cc1b | 2019-10-04 01:51:02 -0500 | [diff] [blame] | 50 | constexpr auto xdmaDev = "/dev/aspeed-xdma"; |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 51 | |
| 52 | int DMA::transferDataHost(const fs::path& path, uint32_t offset, |
| 53 | uint32_t length, uint64_t address, bool upstream) |
| 54 | { |
| 55 | static const size_t pageSize = getpagesize(); |
| 56 | uint32_t numPages = length / pageSize; |
| 57 | uint32_t pageAlignedLength = numPages * pageSize; |
| 58 | |
| 59 | if (length > pageAlignedLength) |
| 60 | { |
| 61 | pageAlignedLength += pageSize; |
| 62 | } |
| 63 | |
| 64 | auto mmapCleanup = [pageAlignedLength](void* vgaMem) { |
| 65 | munmap(vgaMem, pageAlignedLength); |
| 66 | }; |
| 67 | |
| 68 | int fd = -1; |
| 69 | int rc = 0; |
| 70 | fd = open(xdmaDev, O_RDWR); |
| 71 | if (fd < 0) |
| 72 | { |
| 73 | rc = -errno; |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 74 | std::cerr << "Failed to open the XDMA device, RC=" << rc << "\n"; |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 75 | return rc; |
| 76 | } |
| 77 | |
| 78 | utils::CustomFD xdmaFd(fd); |
| 79 | |
| 80 | void* vgaMem; |
| 81 | vgaMem = mmap(nullptr, pageAlignedLength, upstream ? PROT_WRITE : PROT_READ, |
| 82 | MAP_SHARED, xdmaFd(), 0); |
| 83 | if (MAP_FAILED == vgaMem) |
| 84 | { |
| 85 | rc = -errno; |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 86 | std::cerr << "Failed to mmap the XDMA device, RC=" << rc << "\n"; |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 87 | return rc; |
| 88 | } |
| 89 | |
| 90 | std::unique_ptr<void, decltype(mmapCleanup)> vgaMemPtr(vgaMem, mmapCleanup); |
| 91 | |
| 92 | if (upstream) |
| 93 | { |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 94 | std::ifstream stream(path.string(), std::ios::in | std::ios::binary); |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 95 | stream.seekg(offset); |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 96 | |
| 97 | // Writing to the VGA memory should be aligned at page boundary, |
| 98 | // otherwise write data into a buffer aligned at page boundary and |
| 99 | // then write to the VGA memory. |
| 100 | std::vector<char> buffer{}; |
| 101 | buffer.resize(pageAlignedLength); |
| 102 | stream.read(buffer.data(), length); |
| 103 | memcpy(static_cast<char*>(vgaMemPtr.get()), buffer.data(), |
| 104 | pageAlignedLength); |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 105 | |
| 106 | if (static_cast<uint32_t>(stream.gcount()) != length) |
| 107 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 108 | std::cerr << "mismatch between number of characters to read and " |
| 109 | << "the length read, LENGTH=" << length |
| 110 | << " COUNT=" << stream.gcount() << "\n"; |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 111 | return -1; |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | AspeedXdmaOp xdmaOp; |
| 116 | xdmaOp.upstream = upstream ? 1 : 0; |
| 117 | xdmaOp.hostAddr = address; |
| 118 | xdmaOp.len = length; |
| 119 | |
| 120 | rc = write(xdmaFd(), &xdmaOp, sizeof(xdmaOp)); |
| 121 | if (rc < 0) |
| 122 | { |
| 123 | rc = -errno; |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 124 | std::cerr << "Failed to execute the DMA operation, RC=" << rc |
| 125 | << " UPSTREAM=" << upstream << " ADDRESS=" << address |
| 126 | << " LENGTH=" << length << "\n"; |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 127 | return rc; |
| 128 | } |
| 129 | |
| 130 | if (!upstream) |
| 131 | { |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 132 | std::ios_base::openmode mode = std::ios::out | std::ios::binary; |
| 133 | if (fs::exists(path)) |
| 134 | { |
| 135 | mode |= std::ios::in; |
| 136 | } |
| 137 | std::ofstream stream(path.string(), mode); |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 138 | |
| 139 | stream.seekp(offset); |
| 140 | stream.write(static_cast<const char*>(vgaMemPtr.get()), length); |
| 141 | } |
| 142 | |
| 143 | return 0; |
| 144 | } |
| 145 | |
| 146 | } // namespace dma |
| 147 | |
Deepak Kodihalli | bc669f1 | 2019-11-28 08:52:07 -0600 | [diff] [blame] | 148 | namespace oem_ibm |
| 149 | { |
| 150 | |
| 151 | Response Handler::readFileIntoMemory(const pldm_msg* request, |
| 152 | size_t payloadLength) |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 153 | { |
| 154 | uint32_t fileHandle = 0; |
| 155 | uint32_t offset = 0; |
| 156 | uint32_t length = 0; |
| 157 | uint64_t address = 0; |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 158 | |
| 159 | Response response((sizeof(pldm_msg_hdr) + PLDM_RW_FILE_MEM_RESP_BYTES), 0); |
| 160 | auto responsePtr = reinterpret_cast<pldm_msg*>(response.data()); |
| 161 | |
| 162 | if (payloadLength != PLDM_RW_FILE_MEM_REQ_BYTES) |
| 163 | { |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 164 | encode_rw_file_memory_resp(request->hdr.instance_id, |
| 165 | PLDM_READ_FILE_INTO_MEMORY, |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 166 | PLDM_ERROR_INVALID_LENGTH, 0, responsePtr); |
| 167 | return response; |
| 168 | } |
| 169 | |
Zahed Hossain | 223a73d | 2019-07-04 12:46:18 -0500 | [diff] [blame] | 170 | decode_rw_file_memory_req(request, payloadLength, &fileHandle, &offset, |
| 171 | &length, &address); |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 172 | |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 173 | using namespace pldm::filetable; |
| 174 | auto& table = buildFileTable(FILE_TABLE_JSON); |
| 175 | FileEntry value{}; |
| 176 | |
| 177 | try |
| 178 | { |
| 179 | value = table.at(fileHandle); |
| 180 | } |
| 181 | catch (std::exception& e) |
| 182 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 183 | std::cerr << "File handle does not exist in the file table, HANDLE=" |
| 184 | << fileHandle << "\n"; |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 185 | encode_rw_file_memory_resp(request->hdr.instance_id, |
| 186 | PLDM_READ_FILE_INTO_MEMORY, |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 187 | PLDM_INVALID_FILE_HANDLE, 0, responsePtr); |
| 188 | return response; |
| 189 | } |
| 190 | |
| 191 | if (!fs::exists(value.fsPath)) |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 192 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 193 | std::cerr << "File does not exist, HANDLE=" << fileHandle << "\n"; |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 194 | encode_rw_file_memory_resp(request->hdr.instance_id, |
| 195 | PLDM_READ_FILE_INTO_MEMORY, |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 196 | PLDM_INVALID_FILE_HANDLE, 0, responsePtr); |
| 197 | return response; |
| 198 | } |
| 199 | |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 200 | auto fileSize = fs::file_size(value.fsPath); |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 201 | if (offset >= fileSize) |
| 202 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 203 | std::cerr << "Offset exceeds file size, OFFSET=" << offset |
| 204 | << " FILE_SIZE=" << fileSize << "\n"; |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 205 | encode_rw_file_memory_resp(request->hdr.instance_id, |
| 206 | PLDM_READ_FILE_INTO_MEMORY, |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 207 | PLDM_DATA_OUT_OF_RANGE, 0, responsePtr); |
| 208 | return response; |
| 209 | } |
| 210 | |
| 211 | if (offset + length > fileSize) |
| 212 | { |
| 213 | length = fileSize - offset; |
| 214 | } |
| 215 | |
| 216 | if (length % dma::minSize) |
| 217 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 218 | std::cerr << "Read length is not a multiple of DMA minSize, LENGTH=" |
| 219 | << length << "\n"; |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 220 | encode_rw_file_memory_resp(request->hdr.instance_id, |
| 221 | PLDM_READ_FILE_INTO_MEMORY, |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 222 | PLDM_INVALID_READ_LENGTH, 0, responsePtr); |
| 223 | return response; |
| 224 | } |
| 225 | |
| 226 | using namespace dma; |
| 227 | DMA intf; |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 228 | return transferAll<DMA>(&intf, PLDM_READ_FILE_INTO_MEMORY, value.fsPath, |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 229 | offset, length, address, true, |
| 230 | request->hdr.instance_id); |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 231 | } |
| 232 | |
Deepak Kodihalli | bc669f1 | 2019-11-28 08:52:07 -0600 | [diff] [blame] | 233 | Response Handler::writeFileFromMemory(const pldm_msg* request, |
| 234 | size_t payloadLength) |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 235 | { |
| 236 | uint32_t fileHandle = 0; |
| 237 | uint32_t offset = 0; |
| 238 | uint32_t length = 0; |
| 239 | uint64_t address = 0; |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 240 | |
| 241 | Response response(sizeof(pldm_msg_hdr) + PLDM_RW_FILE_MEM_RESP_BYTES, 0); |
| 242 | auto responsePtr = reinterpret_cast<pldm_msg*>(response.data()); |
| 243 | |
| 244 | if (payloadLength != PLDM_RW_FILE_MEM_REQ_BYTES) |
| 245 | { |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 246 | encode_rw_file_memory_resp(request->hdr.instance_id, |
| 247 | PLDM_WRITE_FILE_FROM_MEMORY, |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 248 | PLDM_ERROR_INVALID_LENGTH, 0, responsePtr); |
| 249 | return response; |
| 250 | } |
| 251 | |
Zahed Hossain | 223a73d | 2019-07-04 12:46:18 -0500 | [diff] [blame] | 252 | decode_rw_file_memory_req(request, payloadLength, &fileHandle, &offset, |
| 253 | &length, &address); |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 254 | |
| 255 | if (length % dma::minSize) |
| 256 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 257 | std::cerr << "Write length is not a multiple of DMA minSize, LENGTH=" |
| 258 | << length << "\n"; |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 259 | encode_rw_file_memory_resp(request->hdr.instance_id, |
| 260 | PLDM_WRITE_FILE_FROM_MEMORY, |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 261 | PLDM_INVALID_WRITE_LENGTH, 0, responsePtr); |
| 262 | return response; |
| 263 | } |
| 264 | |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 265 | using namespace pldm::filetable; |
| 266 | auto& table = buildFileTable(FILE_TABLE_JSON); |
| 267 | FileEntry value{}; |
| 268 | |
| 269 | try |
| 270 | { |
| 271 | value = table.at(fileHandle); |
| 272 | } |
| 273 | catch (std::exception& e) |
| 274 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 275 | std::cerr << "File handle does not exist in the file table, HANDLE=" |
| 276 | << fileHandle << "\n"; |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 277 | encode_rw_file_memory_resp(request->hdr.instance_id, |
| 278 | PLDM_WRITE_FILE_FROM_MEMORY, |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 279 | PLDM_INVALID_FILE_HANDLE, 0, responsePtr); |
| 280 | return response; |
| 281 | } |
| 282 | |
| 283 | if (!fs::exists(value.fsPath)) |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 284 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 285 | std::cerr << "File does not exist, HANDLE=" << fileHandle << "\n"; |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 286 | encode_rw_file_memory_resp(request->hdr.instance_id, |
| 287 | PLDM_WRITE_FILE_FROM_MEMORY, |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 288 | PLDM_INVALID_FILE_HANDLE, 0, responsePtr); |
| 289 | return response; |
| 290 | } |
| 291 | |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 292 | auto fileSize = fs::file_size(value.fsPath); |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 293 | if (offset >= fileSize) |
| 294 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 295 | std::cerr << "Offset exceeds file size, OFFSET=" << offset |
| 296 | << " FILE_SIZE=" << fileSize << "\n"; |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 297 | encode_rw_file_memory_resp(request->hdr.instance_id, |
| 298 | PLDM_WRITE_FILE_FROM_MEMORY, |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 299 | PLDM_DATA_OUT_OF_RANGE, 0, responsePtr); |
| 300 | return response; |
| 301 | } |
| 302 | |
| 303 | using namespace dma; |
| 304 | DMA intf; |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 305 | return transferAll<DMA>(&intf, PLDM_WRITE_FILE_FROM_MEMORY, value.fsPath, |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 306 | offset, length, address, false, |
| 307 | request->hdr.instance_id); |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 308 | } |
| 309 | |
Deepak Kodihalli | bc669f1 | 2019-11-28 08:52:07 -0600 | [diff] [blame] | 310 | Response Handler::getFileTable(const pldm_msg* request, size_t payloadLength) |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 311 | { |
| 312 | uint32_t transferHandle = 0; |
| 313 | uint8_t transferFlag = 0; |
| 314 | uint8_t tableType = 0; |
| 315 | |
| 316 | Response response(sizeof(pldm_msg_hdr) + |
| 317 | PLDM_GET_FILE_TABLE_MIN_RESP_BYTES); |
| 318 | auto responsePtr = reinterpret_cast<pldm_msg*>(response.data()); |
| 319 | |
| 320 | if (payloadLength != PLDM_GET_FILE_TABLE_REQ_BYTES) |
| 321 | { |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 322 | encode_get_file_table_resp(request->hdr.instance_id, |
| 323 | PLDM_ERROR_INVALID_LENGTH, 0, 0, nullptr, 0, |
| 324 | responsePtr); |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 325 | return response; |
| 326 | } |
| 327 | |
Zahed Hossain | 223a73d | 2019-07-04 12:46:18 -0500 | [diff] [blame] | 328 | auto rc = decode_get_file_table_req(request, payloadLength, &transferHandle, |
| 329 | &transferFlag, &tableType); |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 330 | if (rc) |
| 331 | { |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 332 | encode_get_file_table_resp(request->hdr.instance_id, rc, 0, 0, nullptr, |
| 333 | 0, responsePtr); |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 334 | return response; |
| 335 | } |
| 336 | |
| 337 | if (tableType != PLDM_FILE_ATTRIBUTE_TABLE) |
| 338 | { |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 339 | encode_get_file_table_resp(request->hdr.instance_id, |
| 340 | PLDM_INVALID_FILE_TABLE_TYPE, 0, 0, nullptr, |
| 341 | 0, responsePtr); |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 342 | return response; |
| 343 | } |
| 344 | |
| 345 | using namespace pldm::filetable; |
| 346 | auto table = buildFileTable(FILE_TABLE_JSON); |
| 347 | auto attrTable = table(); |
| 348 | response.resize(response.size() + attrTable.size()); |
| 349 | responsePtr = reinterpret_cast<pldm_msg*>(response.data()); |
| 350 | |
| 351 | if (attrTable.empty()) |
| 352 | { |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 353 | encode_get_file_table_resp(request->hdr.instance_id, |
| 354 | PLDM_FILE_TABLE_UNAVAILABLE, 0, 0, nullptr, |
| 355 | 0, responsePtr); |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 356 | return response; |
| 357 | } |
| 358 | |
Jinu Joy Thomas | 33705fd | 2019-07-02 16:03:05 +0530 | [diff] [blame] | 359 | encode_get_file_table_resp(request->hdr.instance_id, PLDM_SUCCESS, 0, |
| 360 | PLDM_START_AND_END, attrTable.data(), |
| 361 | attrTable.size(), responsePtr); |
Tom Joseph | 0c6d22c | 2019-06-26 09:58:41 +0530 | [diff] [blame] | 362 | return response; |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 363 | } |
| 364 | |
Deepak Kodihalli | bc669f1 | 2019-11-28 08:52:07 -0600 | [diff] [blame] | 365 | Response Handler::readFile(const pldm_msg* request, size_t payloadLength) |
vkaverap | 5b914c3 | 2019-06-30 22:23:54 -0500 | [diff] [blame] | 366 | { |
| 367 | uint32_t fileHandle = 0; |
| 368 | uint32_t offset = 0; |
| 369 | uint32_t length = 0; |
| 370 | |
| 371 | Response response(sizeof(pldm_msg_hdr) + PLDM_READ_FILE_RESP_BYTES); |
| 372 | auto responsePtr = reinterpret_cast<pldm_msg*>(response.data()); |
| 373 | |
| 374 | if (payloadLength != PLDM_READ_FILE_REQ_BYTES) |
| 375 | { |
| 376 | encode_read_file_resp(request->hdr.instance_id, |
| 377 | PLDM_ERROR_INVALID_LENGTH, length, responsePtr); |
| 378 | return response; |
| 379 | } |
| 380 | |
| 381 | auto rc = decode_read_file_req(request, payloadLength, &fileHandle, &offset, |
| 382 | &length); |
| 383 | |
| 384 | if (rc) |
| 385 | { |
| 386 | encode_read_file_resp(request->hdr.instance_id, rc, 0, responsePtr); |
| 387 | return response; |
| 388 | } |
| 389 | |
| 390 | using namespace pldm::filetable; |
| 391 | auto& table = buildFileTable(FILE_TABLE_JSON); |
| 392 | FileEntry value{}; |
| 393 | |
| 394 | try |
| 395 | { |
| 396 | value = table.at(fileHandle); |
| 397 | } |
| 398 | catch (std::exception& e) |
| 399 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 400 | std::cerr << "File handle does not exist in the file table, HANDLE=" |
| 401 | << fileHandle << "\n"; |
vkaverap | 5b914c3 | 2019-06-30 22:23:54 -0500 | [diff] [blame] | 402 | encode_read_file_resp(request->hdr.instance_id, |
| 403 | PLDM_INVALID_FILE_HANDLE, length, responsePtr); |
| 404 | return response; |
| 405 | } |
| 406 | |
| 407 | if (!fs::exists(value.fsPath)) |
| 408 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 409 | std::cerr << "File does not exist, HANDLE=" << fileHandle << "\n"; |
vkaverap | 5b914c3 | 2019-06-30 22:23:54 -0500 | [diff] [blame] | 410 | encode_read_file_resp(request->hdr.instance_id, |
| 411 | PLDM_INVALID_FILE_HANDLE, length, responsePtr); |
| 412 | return response; |
| 413 | } |
| 414 | |
| 415 | auto fileSize = fs::file_size(value.fsPath); |
| 416 | if (offset >= fileSize) |
| 417 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 418 | std::cerr << "Offset exceeds file size, OFFSET=" << offset |
| 419 | << " FILE_SIZE=" << fileSize << "\n"; |
vkaverap | 5b914c3 | 2019-06-30 22:23:54 -0500 | [diff] [blame] | 420 | encode_read_file_resp(request->hdr.instance_id, PLDM_DATA_OUT_OF_RANGE, |
| 421 | length, responsePtr); |
| 422 | return response; |
| 423 | } |
| 424 | |
| 425 | if (offset + length > fileSize) |
| 426 | { |
| 427 | length = fileSize - offset; |
| 428 | } |
| 429 | |
| 430 | response.resize(response.size() + length); |
| 431 | responsePtr = reinterpret_cast<pldm_msg*>(response.data()); |
| 432 | auto fileDataPos = reinterpret_cast<char*>(responsePtr); |
| 433 | fileDataPos += sizeof(pldm_msg_hdr) + sizeof(uint8_t) + sizeof(length); |
| 434 | |
| 435 | std::ifstream stream(value.fsPath, std::ios::in | std::ios::binary); |
| 436 | stream.seekg(offset); |
| 437 | stream.read(fileDataPos, length); |
| 438 | |
| 439 | encode_read_file_resp(request->hdr.instance_id, PLDM_SUCCESS, length, |
| 440 | responsePtr); |
| 441 | |
| 442 | return response; |
| 443 | } |
| 444 | |
Deepak Kodihalli | bc669f1 | 2019-11-28 08:52:07 -0600 | [diff] [blame] | 445 | Response Handler::writeFile(const pldm_msg* request, size_t payloadLength) |
vkaverap | 5b914c3 | 2019-06-30 22:23:54 -0500 | [diff] [blame] | 446 | { |
| 447 | uint32_t fileHandle = 0; |
| 448 | uint32_t offset = 0; |
| 449 | uint32_t length = 0; |
| 450 | size_t fileDataOffset = 0; |
| 451 | |
| 452 | Response response(sizeof(pldm_msg_hdr) + PLDM_WRITE_FILE_RESP_BYTES); |
| 453 | auto responsePtr = reinterpret_cast<pldm_msg*>(response.data()); |
| 454 | |
| 455 | if (payloadLength < PLDM_WRITE_FILE_REQ_BYTES) |
| 456 | { |
| 457 | encode_write_file_resp(request->hdr.instance_id, |
| 458 | PLDM_ERROR_INVALID_LENGTH, 0, responsePtr); |
| 459 | return response; |
| 460 | } |
| 461 | |
| 462 | auto rc = decode_write_file_req(request, payloadLength, &fileHandle, |
| 463 | &offset, &length, &fileDataOffset); |
| 464 | |
| 465 | if (rc) |
| 466 | { |
| 467 | encode_write_file_resp(request->hdr.instance_id, rc, 0, responsePtr); |
| 468 | return response; |
| 469 | } |
| 470 | |
| 471 | using namespace pldm::filetable; |
| 472 | auto& table = buildFileTable(FILE_TABLE_JSON); |
| 473 | FileEntry value{}; |
| 474 | |
| 475 | try |
| 476 | { |
| 477 | value = table.at(fileHandle); |
| 478 | } |
| 479 | catch (std::exception& e) |
| 480 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 481 | std::cerr << "File handle does not exist in the file table, HANDLE=" |
| 482 | << fileHandle << "\n"; |
vkaverap | 5b914c3 | 2019-06-30 22:23:54 -0500 | [diff] [blame] | 483 | encode_write_file_resp(request->hdr.instance_id, |
| 484 | PLDM_INVALID_FILE_HANDLE, 0, responsePtr); |
| 485 | return response; |
| 486 | } |
| 487 | |
| 488 | if (!fs::exists(value.fsPath)) |
| 489 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 490 | std::cerr << "File does not exist, HANDLE=" << fileHandle << "\n"; |
vkaverap | 5b914c3 | 2019-06-30 22:23:54 -0500 | [diff] [blame] | 491 | encode_write_file_resp(request->hdr.instance_id, |
| 492 | PLDM_INVALID_FILE_HANDLE, 0, responsePtr); |
| 493 | return response; |
| 494 | } |
| 495 | |
| 496 | auto fileSize = fs::file_size(value.fsPath); |
| 497 | if (offset >= fileSize) |
| 498 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 499 | std::cerr << "Offset exceeds file size, OFFSET=" << offset |
| 500 | << " FILE_SIZE=" << fileSize << "\n"; |
vkaverap | 5b914c3 | 2019-06-30 22:23:54 -0500 | [diff] [blame] | 501 | encode_write_file_resp(request->hdr.instance_id, PLDM_DATA_OUT_OF_RANGE, |
| 502 | 0, responsePtr); |
| 503 | return response; |
| 504 | } |
| 505 | |
| 506 | auto fileDataPos = |
| 507 | reinterpret_cast<const char*>(request->payload) + fileDataOffset; |
| 508 | |
| 509 | std::ofstream stream(value.fsPath, |
| 510 | std::ios::in | std::ios::out | std::ios::binary); |
| 511 | stream.seekp(offset); |
| 512 | stream.write(fileDataPos, length); |
| 513 | |
| 514 | encode_write_file_resp(request->hdr.instance_id, PLDM_SUCCESS, length, |
| 515 | responsePtr); |
| 516 | |
| 517 | return response; |
| 518 | } |
| 519 | |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 520 | Response rwFileByTypeIntoMemory(uint8_t cmd, const pldm_msg* request, |
| 521 | size_t payloadLength) |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 522 | { |
| 523 | Response response( |
| 524 | sizeof(pldm_msg_hdr) + PLDM_RW_FILE_BY_TYPE_MEM_RESP_BYTES, 0); |
| 525 | auto responsePtr = reinterpret_cast<pldm_msg*>(response.data()); |
| 526 | |
| 527 | if (payloadLength != PLDM_RW_FILE_BY_TYPE_MEM_REQ_BYTES) |
| 528 | { |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 529 | encode_rw_file_by_type_memory_resp(request->hdr.instance_id, cmd, |
| 530 | PLDM_ERROR_INVALID_LENGTH, 0, |
| 531 | responsePtr); |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 532 | return response; |
| 533 | } |
| 534 | |
| 535 | uint16_t fileType{}; |
| 536 | uint32_t fileHandle{}; |
| 537 | uint32_t offset{}; |
| 538 | uint32_t length{}; |
| 539 | uint64_t address{}; |
| 540 | auto rc = decode_rw_file_by_type_memory_req(request, payloadLength, |
| 541 | &fileType, &fileHandle, &offset, |
| 542 | &length, &address); |
| 543 | if (rc != PLDM_SUCCESS) |
| 544 | { |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 545 | encode_rw_file_by_type_memory_resp(request->hdr.instance_id, cmd, rc, 0, |
| 546 | responsePtr); |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 547 | return response; |
| 548 | } |
| 549 | if (length % dma::minSize) |
| 550 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 551 | std::cerr << "Length is not a multiple of DMA minSize, LENGTH=" |
| 552 | << length << "\n"; |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 553 | encode_rw_file_by_type_memory_resp(request->hdr.instance_id, cmd, |
| 554 | PLDM_INVALID_WRITE_LENGTH, 0, |
| 555 | responsePtr); |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 556 | return response; |
| 557 | } |
| 558 | |
| 559 | std::unique_ptr<FileHandler> handler{}; |
| 560 | try |
| 561 | { |
| 562 | handler = getHandlerByType(fileType, fileHandle); |
| 563 | } |
| 564 | catch (const InternalFailure& e) |
| 565 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 566 | std::cerr << "unknown file type, TYPE=" << fileType << "\n"; |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 567 | encode_rw_file_by_type_memory_resp(request->hdr.instance_id, cmd, |
| 568 | PLDM_INVALID_FILE_TYPE, 0, |
| 569 | responsePtr); |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 570 | return response; |
| 571 | } |
| 572 | |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 573 | rc = cmd == PLDM_WRITE_FILE_BY_TYPE_FROM_MEMORY |
| 574 | ? handler->writeFromMemory(offset, length, address) |
| 575 | : handler->readIntoMemory(offset, length, address); |
| 576 | encode_rw_file_by_type_memory_resp(request->hdr.instance_id, cmd, rc, |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 577 | length, responsePtr); |
| 578 | return response; |
| 579 | } |
| 580 | |
Deepak Kodihalli | bc669f1 | 2019-11-28 08:52:07 -0600 | [diff] [blame] | 581 | Response Handler::writeFileByTypeFromMemory(const pldm_msg* request, |
| 582 | size_t payloadLength) |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 583 | { |
| 584 | return rwFileByTypeIntoMemory(PLDM_WRITE_FILE_BY_TYPE_FROM_MEMORY, request, |
| 585 | payloadLength); |
| 586 | } |
| 587 | |
Deepak Kodihalli | bc669f1 | 2019-11-28 08:52:07 -0600 | [diff] [blame] | 588 | Response Handler::readFileByTypeIntoMemory(const pldm_msg* request, |
| 589 | size_t payloadLength) |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 590 | { |
| 591 | return rwFileByTypeIntoMemory(PLDM_READ_FILE_BY_TYPE_INTO_MEMORY, request, |
| 592 | payloadLength); |
| 593 | } |
| 594 | |
Deepak Kodihalli | bc669f1 | 2019-11-28 08:52:07 -0600 | [diff] [blame] | 595 | Response Handler::readFileByType(const pldm_msg* request, size_t payloadLength) |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame] | 596 | { |
| 597 | Response response(sizeof(pldm_msg_hdr) + PLDM_RW_FILE_BY_TYPE_RESP_BYTES); |
| 598 | auto responsePtr = reinterpret_cast<pldm_msg*>(response.data()); |
| 599 | |
| 600 | if (payloadLength != PLDM_RW_FILE_BY_TYPE_REQ_BYTES) |
| 601 | { |
| 602 | encode_rw_file_by_type_resp(request->hdr.instance_id, |
| 603 | PLDM_READ_FILE_BY_TYPE, |
| 604 | PLDM_ERROR_INVALID_LENGTH, 0, responsePtr); |
| 605 | return response; |
| 606 | } |
| 607 | uint16_t fileType{}; |
| 608 | uint32_t fileHandle{}; |
| 609 | uint32_t offset{}; |
| 610 | uint32_t length{}; |
| 611 | |
| 612 | auto rc = decode_rw_file_by_type_req(request, payloadLength, &fileType, |
| 613 | &fileHandle, &offset, &length); |
| 614 | if (rc != PLDM_SUCCESS) |
| 615 | { |
| 616 | encode_rw_file_by_type_resp(request->hdr.instance_id, |
| 617 | PLDM_READ_FILE_BY_TYPE, rc, 0, responsePtr); |
| 618 | return response; |
| 619 | } |
| 620 | |
| 621 | std::unique_ptr<FileHandler> handler{}; |
| 622 | try |
| 623 | { |
| 624 | handler = getHandlerByType(fileType, fileHandle); |
| 625 | } |
| 626 | catch (const InternalFailure& e) |
| 627 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame^] | 628 | std::cerr << "unknown file type, TYPE=" << fileType << "\n"; |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame] | 629 | encode_rw_file_by_type_resp(request->hdr.instance_id, |
| 630 | PLDM_READ_FILE_BY_TYPE, |
| 631 | PLDM_INVALID_FILE_TYPE, 0, responsePtr); |
| 632 | return response; |
| 633 | } |
| 634 | |
| 635 | rc = handler->read(offset, length, response); |
Deepak Kodihalli | 9a26f89 | 2019-12-10 06:48:06 -0600 | [diff] [blame] | 636 | responsePtr = reinterpret_cast<pldm_msg*>(response.data()); |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame] | 637 | encode_rw_file_by_type_resp(request->hdr.instance_id, |
| 638 | PLDM_READ_FILE_BY_TYPE, rc, length, |
| 639 | responsePtr); |
| 640 | return response; |
| 641 | } |
| 642 | |
Deepak Kodihalli | bc669f1 | 2019-11-28 08:52:07 -0600 | [diff] [blame] | 643 | } // namespace oem_ibm |
Jinu Joy Thomas | 7f57f44 | 2019-06-13 20:38:49 +0530 | [diff] [blame] | 644 | } // namespace responder |
| 645 | } // namespace pldm |