Add Target and Targeting classes
These classes are used to target certain processors
for operations.
Change-Id: Iab7a9fc0f1b0a901963e4e899ded370435cfb418
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/targeting.cpp b/targeting.cpp
new file mode 100644
index 0000000..11c359c
--- /dev/null
+++ b/targeting.cpp
@@ -0,0 +1,69 @@
+/**
+ * Copyright © 2017 IBM Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <experimental/filesystem>
+#include <phosphor-logging/log.hpp>
+#include <regex>
+#include "targeting.hpp"
+
+namespace openpower
+{
+namespace targeting
+{
+
+using namespace phosphor::logging;
+namespace fs = std::experimental::filesystem;
+
+Targeting::Targeting(const std::string& fsiMasterDev,
+ const std::string& fsiSlaveDir) :
+ fsiMasterPath(fsiMasterDev),
+ fsiSlaveBasePath(fsiSlaveDir)
+{
+ //Always create P0, the FSI master.
+ targets.push_back(std::make_unique<Target>(0, fsiMasterPath));
+
+ //Find the the remaining P9s dynamically based on which files show up
+ std::regex exp{"slave@([0-9]{2}):00", std::regex::extended};
+
+ for (auto& file : fs::directory_iterator(fsiSlaveBasePath))
+ {
+ std::smatch match;
+ std::string path = file.path();
+ if (std::regex_search(path, match, exp))
+ {
+ auto pos = atoi(match[1].str().c_str());
+ if (pos == 0)
+ {
+ log<level::ERR>("Unexpected FSI slave device name found",
+ entry("DEVICE_NAME=%d", path.c_str()));
+ continue;
+ }
+
+ path += "/raw";
+
+ targets.push_back(std::make_unique<Target>(pos, path));
+ }
+ }
+
+ auto sortTargets = [](const std::unique_ptr<Target>& left,
+ const std::unique_ptr<Target>& right)
+ {
+ return left->getPos() < right->getPos();
+ };
+ std::sort(targets.begin(), targets.end(), sortTargets);
+}
+
+}
+}