openbmc/phosphor-power/pmbus.cpp

49  * @brief Returns the canonical path if it exists
50  *        otherwise returns the path passed in.
52  * @param[in] path - The path to check
54  * @return fs::path - Either the canonical or original path
56 static fs::path tryCanonical(const fs::path& path)
59     auto canonical = fs::canonical(path, ec);
63         lg2::error("Could not get canonical path from {PATH}", "PATH", path);
64         return path;
84 fs::path PMBus::getPath(Type type)
115     auto path = basePath / "name";
121         file.open(path);
127                    path);
143     fs::path path = getPath(type);
145     path /= name;
155         file.open(path);
164                 "FILE", path, "CONTENTS", val);
176             "ERRNO", rc, "FILENAME", path);
190     auto path = getPath(type);
191     path /= name;
192     return fs::exists(path);
199     auto path = getPath(type);
200     path /= name;
207         file.open(path);
218                 "ERRNO", rc, "FILENAME", path);
239     auto path = getPath(type);
240     path /= name;
247         file.open(path);
255             "ERRNO", rc, "FILENAME", path);
270     auto path = getPath(type) / name;
274     std::unique_ptr<FILE, FileCloser> file{fopen(path.c_str(), "rb")};
295                     "ERRNO", rc, "FILENAME", path);
313     fs::path path = getPath(type);
315     path /= name;
322         file.open(path);
330             "ERRNO", rc, "FILENAME", path);
344     fs::path path = getPath(type);
346     path /= name;
354         file.open(path, std::ios::out | std::ios_base::binary);
356                    path);
364             "ERRNO", rc, "FILENAME", path);
376     fs::path path{basePath};
377     path /= "hwmon";
382     if (fs::is_directory(path))
385         for (auto& f : fs::directory_iterator(path))
387             if ((f.path().filename().string().find("hwmon") !=
389                 (fs::is_directory(f.path())))
391                 hwmonDir = f.path().filename();
401         lg2::info("Unable to find hwmon directory in device base path "