add bpf.o to craned rpm pack (#384)

* fix wrong variable ref to BasicDevice

* add bpf.o to craned rpm pack

* fix: eBPF object installation prefix

---------

Co-authored-by: Nativu5 <44155313+Nativu5@users.noreply.github.com>

CMakeLists.txt

@@ -409,6 +409,14 @@ install(FILES
         PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)
 
 # Install configuration files
+if(ENABLE_BPF)
+    install(FILES 
+            ${CMAKE_BINARY_DIR}/src/Misc/BPF/cgroup_dev_bpf.o
+            DESTINATION /usr/local/lib64/bpf/
+            COMPONENT cranedc
+            PERMISSIONS OWNER_READ GROUP_READ WORLD_READ)
+endif()
+
 install(FILES ${CMAKE_SOURCE_DIR}/etc/config.yaml
         DESTINATION /etc/crane/
         COMPONENT cranectldc

src/Craned/CgroupManager.cpp

@@ -1322,8 +1322,8 @@ bool CgroupV2::SetDeviceAccess(const std::unordered_set<SlotId> &devices,
 
   auto &bpf_devices = m_cgroup_bpf_devices;
   for (const auto &[_, this_device] : Craned::g_this_node_device) {
-    if (!devices.contains(this_device->dev_id)) {
-      for (const auto &dev_meta : this_device->device_metas) {
+    if (!devices.contains(this_device->slot_id)) {
+      for (const auto &dev_meta : this_device->device_file_metas) {
         short op_type = 0;
         if (dev_meta.op_type == 'c') {
           op_type |= BPF_DEVCG_DEV_CHAR;

src/Craned/CgroupManager.h

@@ -93,7 +93,7 @@ enum class ControllerFile : uint64_t {
 inline const char *kTaskCgPathPrefix = "Crane_Task_";
 inline const char *RootCgroupFullPath = "/sys/fs/cgroup";
 #ifdef CRANE_ENABLE_BPF
-inline const char *BpfObjectFile = "/etc/crane/cgroup_dev_bpf.o";
+inline const char *BpfObjectFile = "/usr/local/lib64/bpf/cgroup_dev_bpf.o";
 inline const char *BpfDeviceMapFile = "/sys/fs/bpf/craned_dev_map";
 inline const char *BpfMapName = "craned_dev_map";
 inline const char *BpfProgramName = "craned_device_access";