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