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 | |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 5 | #include "file_io_type_lid.hpp" |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 6 | #include "file_io_type_pel.hpp" |
| 7 | #include "libpldmresponder/utils.hpp" |
| 8 | #include "xyz/openbmc_project/Common/error.hpp" |
| 9 | |
| 10 | #include <stdint.h> |
| 11 | #include <unistd.h> |
| 12 | |
| 13 | #include <exception> |
| 14 | #include <filesystem> |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame^] | 15 | #include <fstream> |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 16 | #include <phosphor-logging/elog-errors.hpp> |
| 17 | #include <phosphor-logging/log.hpp> |
| 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 | |
| 29 | using namespace phosphor::logging; |
| 30 | using namespace sdbusplus::xyz::openbmc_project::Common::Error; |
| 31 | |
| 32 | int FileHandler::transferFileData(const fs::path& path, bool upstream, |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame^] | 33 | uint32_t offset, uint32_t& length, |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 34 | uint64_t address) |
| 35 | { |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 36 | if (upstream) |
| 37 | { |
| 38 | if (!fs::exists(path)) |
| 39 | { |
| 40 | log<level::ERR>("File does not exist", |
| 41 | entry("PATH=%s", path.c_str())); |
| 42 | return PLDM_INVALID_FILE_HANDLE; |
| 43 | } |
| 44 | |
| 45 | size_t fileSize = fs::file_size(path); |
| 46 | if (offset >= fileSize) |
| 47 | { |
| 48 | log<level::ERR>("Offset exceeds file size", |
| 49 | entry("OFFSET=%d", offset), |
| 50 | entry("FILE_SIZE=%d", fileSize)); |
| 51 | return PLDM_DATA_OUT_OF_RANGE; |
| 52 | } |
| 53 | if (offset + length > fileSize) |
| 54 | { |
| 55 | length = fileSize - offset; |
| 56 | } |
| 57 | } |
| 58 | |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 59 | dma::DMA xdmaInterface; |
| 60 | |
| 61 | while (length > dma::maxSize) |
| 62 | { |
| 63 | auto rc = xdmaInterface.transferDataHost(path, offset, dma::maxSize, |
| 64 | address, upstream); |
| 65 | if (rc < 0) |
| 66 | { |
| 67 | return PLDM_ERROR; |
| 68 | } |
| 69 | offset += dma::maxSize; |
| 70 | length -= dma::maxSize; |
| 71 | address += dma::maxSize; |
| 72 | } |
| 73 | auto rc = |
| 74 | xdmaInterface.transferDataHost(path, offset, length, address, upstream); |
| 75 | return rc < 0 ? PLDM_ERROR : PLDM_SUCCESS; |
| 76 | } |
| 77 | |
| 78 | std::unique_ptr<FileHandler> getHandlerByType(uint16_t fileType, |
| 79 | uint32_t fileHandle) |
| 80 | { |
| 81 | switch (fileType) |
| 82 | { |
| 83 | case PLDM_FILE_TYPE_PEL: |
| 84 | { |
| 85 | return std::make_unique<PelHandler>(fileHandle); |
| 86 | break; |
| 87 | } |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 88 | case PLDM_FILE_TYPE_LID_PERM: |
| 89 | { |
| 90 | return std::make_unique<LidHandler>(fileHandle, true); |
| 91 | break; |
| 92 | } |
| 93 | case PLDM_FILE_TYPE_LID_TEMP: |
| 94 | { |
| 95 | return std::make_unique<LidHandler>(fileHandle, false); |
| 96 | break; |
| 97 | } |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 98 | default: |
| 99 | { |
| 100 | elog<InternalFailure>(); |
| 101 | break; |
| 102 | } |
| 103 | } |
| 104 | return nullptr; |
| 105 | } |
| 106 | |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame^] | 107 | int FileHandler::readFile(const std::string& filePath, uint32_t offset, |
| 108 | uint32_t& length, Response& response) |
| 109 | { |
| 110 | if (!fs::exists(filePath)) |
| 111 | { |
| 112 | log<level::ERR>("File does not exist", entry("HANDLE=%d", fileHandle), |
| 113 | entry("PATH=%s", filePath.c_str())); |
| 114 | return PLDM_INVALID_FILE_HANDLE; |
| 115 | } |
| 116 | |
| 117 | size_t fileSize = fs::file_size(filePath); |
| 118 | if (offset >= fileSize) |
| 119 | { |
| 120 | log<level::ERR>("Offset exceeds file size", entry("OFFSET=%d", offset), |
| 121 | entry("FILE_SIZE=%d", fileSize)); |
| 122 | return PLDM_DATA_OUT_OF_RANGE; |
| 123 | } |
| 124 | |
| 125 | if (offset + length > fileSize) |
| 126 | { |
| 127 | length = fileSize - offset; |
| 128 | } |
| 129 | |
| 130 | size_t currSize = response.size(); |
| 131 | response.resize(currSize + length); |
| 132 | auto filePos = reinterpret_cast<char*>(response.data()); |
| 133 | filePos += currSize; |
| 134 | std::ifstream stream(filePath, std::ios::in | std::ios::binary); |
| 135 | if (stream) |
| 136 | { |
| 137 | stream.seekg(offset); |
| 138 | stream.read(filePos, length); |
| 139 | return PLDM_SUCCESS; |
| 140 | } |
| 141 | log<level::ERR>("Unable to read file", entry("FILE=%s", filePath.c_str())); |
| 142 | return PLDM_ERROR; |
| 143 | } |
| 144 | |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 145 | } // namespace responder |
| 146 | } // namespace pldm |