Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 1 | #include "config.h" |
| 2 | |
| 3 | #include "file_io_by_type.hpp" |
| 4 | |
Sampa Misra | 1896716 | 2020-01-14 02:31:41 -0600 | [diff] [blame] | 5 | #include "file_io_type_dump.hpp" |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 6 | #include "file_io_type_lid.hpp" |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 7 | #include "file_io_type_pel.hpp" |
George Liu | 8340957 | 2019-12-24 18:42:54 +0800 | [diff] [blame] | 8 | #include "utils.hpp" |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 9 | #include "xyz/openbmc_project/Common/error.hpp" |
| 10 | |
| 11 | #include <stdint.h> |
| 12 | #include <unistd.h> |
| 13 | |
| 14 | #include <exception> |
| 15 | #include <filesystem> |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame] | 16 | #include <fstream> |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame] | 17 | #include <iostream> |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 18 | #include <vector> |
| 19 | #include <xyz/openbmc_project/Logging/Entry/server.hpp> |
| 20 | |
| 21 | #include "libpldm/base.h" |
| 22 | #include "oem/ibm/libpldm/file_io.h" |
| 23 | |
| 24 | namespace pldm |
| 25 | { |
| 26 | namespace responder |
| 27 | { |
| 28 | |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 29 | using namespace sdbusplus::xyz::openbmc_project::Common::Error; |
| 30 | |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 31 | int FileHandler::transferFileData(int32_t fd, bool upstream, uint32_t offset, |
| 32 | uint32_t& length, uint64_t address) |
| 33 | { |
| 34 | dma::DMA xdmaInterface; |
| 35 | while (length > dma::maxSize) |
| 36 | { |
| 37 | auto rc = xdmaInterface.transferDataHost(fd, offset, dma::maxSize, |
| 38 | address, upstream); |
| 39 | if (rc < 0) |
| 40 | { |
| 41 | return PLDM_ERROR; |
| 42 | } |
| 43 | offset += dma::maxSize; |
| 44 | length -= dma::maxSize; |
| 45 | address += dma::maxSize; |
| 46 | } |
| 47 | auto rc = |
| 48 | xdmaInterface.transferDataHost(fd, offset, length, address, upstream); |
| 49 | return rc < 0 ? PLDM_ERROR : PLDM_SUCCESS; |
| 50 | } |
| 51 | |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 52 | int FileHandler::transferFileData(const fs::path& path, bool upstream, |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame] | 53 | uint32_t offset, uint32_t& length, |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 54 | uint64_t address) |
| 55 | { |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 56 | bool fileExists = false; |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 57 | if (upstream) |
| 58 | { |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 59 | fileExists = fs::exists(path); |
| 60 | if (!fileExists) |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 61 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame] | 62 | std::cerr << "File does not exist. PATH=" << path.c_str() << "\n"; |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 63 | return PLDM_INVALID_FILE_HANDLE; |
| 64 | } |
| 65 | |
| 66 | size_t fileSize = fs::file_size(path); |
| 67 | if (offset >= fileSize) |
| 68 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame] | 69 | std::cerr << "Offset exceeds file size, OFFSET=" << offset |
| 70 | << " FILE_SIZE=" << fileSize << "\n"; |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 71 | return PLDM_DATA_OUT_OF_RANGE; |
| 72 | } |
| 73 | if (offset + length > fileSize) |
| 74 | { |
| 75 | length = fileSize - offset; |
| 76 | } |
| 77 | } |
| 78 | |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 79 | int flags{}; |
| 80 | if (upstream) |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 81 | { |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 82 | flags = O_RDONLY; |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 83 | } |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 84 | else if (fileExists) |
| 85 | { |
| 86 | flags = O_RDWR; |
| 87 | } |
| 88 | else |
| 89 | { |
| 90 | flags = O_WRONLY; |
| 91 | } |
| 92 | int file = open(path.string().c_str(), flags); |
| 93 | if (file == -1) |
| 94 | { |
| 95 | std::cerr << "File does not exist, PATH = " << path.string() << "\n"; |
| 96 | ; |
| 97 | return PLDM_ERROR; |
| 98 | } |
| 99 | utils::CustomFD fd(file); |
| 100 | |
| 101 | return transferFileData(fd(), upstream, offset, length, address); |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | std::unique_ptr<FileHandler> getHandlerByType(uint16_t fileType, |
| 105 | uint32_t fileHandle) |
| 106 | { |
| 107 | switch (fileType) |
| 108 | { |
| 109 | case PLDM_FILE_TYPE_PEL: |
| 110 | { |
| 111 | return std::make_unique<PelHandler>(fileHandle); |
| 112 | break; |
| 113 | } |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 114 | case PLDM_FILE_TYPE_LID_PERM: |
| 115 | { |
| 116 | return std::make_unique<LidHandler>(fileHandle, true); |
| 117 | break; |
| 118 | } |
| 119 | case PLDM_FILE_TYPE_LID_TEMP: |
| 120 | { |
| 121 | return std::make_unique<LidHandler>(fileHandle, false); |
| 122 | break; |
| 123 | } |
Sampa Misra | 1896716 | 2020-01-14 02:31:41 -0600 | [diff] [blame] | 124 | case PLDM_FILE_TYPE_DUMP: |
| 125 | { |
| 126 | return std::make_unique<DumpHandler>(fileHandle); |
| 127 | break; |
| 128 | } |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 129 | default: |
| 130 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame] | 131 | throw InternalFailure(); |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 132 | break; |
| 133 | } |
| 134 | } |
| 135 | return nullptr; |
| 136 | } |
| 137 | |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame] | 138 | int FileHandler::readFile(const std::string& filePath, uint32_t offset, |
| 139 | uint32_t& length, Response& response) |
| 140 | { |
| 141 | if (!fs::exists(filePath)) |
| 142 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame] | 143 | std::cerr << "File does not exist, HANDLE=" << fileHandle |
| 144 | << " PATH=" << filePath.c_str() << "\n"; |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame] | 145 | return PLDM_INVALID_FILE_HANDLE; |
| 146 | } |
| 147 | |
| 148 | size_t fileSize = fs::file_size(filePath); |
| 149 | if (offset >= fileSize) |
| 150 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame] | 151 | std::cerr << "Offset exceeds file size, OFFSET=" << offset |
| 152 | << " FILE_SIZE=" << fileSize << "\n"; |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame] | 153 | return PLDM_DATA_OUT_OF_RANGE; |
| 154 | } |
| 155 | |
| 156 | if (offset + length > fileSize) |
| 157 | { |
| 158 | length = fileSize - offset; |
| 159 | } |
| 160 | |
| 161 | size_t currSize = response.size(); |
| 162 | response.resize(currSize + length); |
| 163 | auto filePos = reinterpret_cast<char*>(response.data()); |
| 164 | filePos += currSize; |
| 165 | std::ifstream stream(filePath, std::ios::in | std::ios::binary); |
| 166 | if (stream) |
| 167 | { |
| 168 | stream.seekg(offset); |
| 169 | stream.read(filePos, length); |
| 170 | return PLDM_SUCCESS; |
| 171 | } |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame] | 172 | std::cerr << "Unable to read file, FILE=" << filePath.c_str() << "\n"; |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame] | 173 | return PLDM_ERROR; |
| 174 | } |
| 175 | |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 176 | } // namespace responder |
| 177 | } // namespace pldm |