implement probe

Signed-off-by: Pascal Bauer <pascal.bauer@rwth-aachen.de>

Author: IgnoreWarnings

common/include/villas/kernel/devices/pci_device.hpp

@@ -62,6 +62,7 @@ struct Region {
 
 class PciDevice : public Device {
 private:
+  static constexpr char PROBE_DEFAULT[] = "/sys/bus/pci/drivers_probe";
   static constexpr char OVERRIDE_DEFAULT[] = "driver_override";
 
 public:
@@ -79,11 +80,11 @@ class PciDevice : public Device {
   std::string name() const override;
   std::filesystem::path override_path() const override;
   std::filesystem::path path() const override;
+  void probe() const override;
 
   // Bind a new LKM to the PCI device
   bool attachDriver(const std::string &driver) const;
 
-
   std::list<Region> getRegions() const;
 
   // Write 32-bit BAR value from to the PCI configuration space

common/lib/kernel/devices/pci_device.cpp

@@ -485,3 +485,7 @@ std::filesystem::path PciDevice::override_path() const {
 
   return this->path() / OVERRIDE_DEFAULT;
 }
+
+void PciDevice::probe() const {
+  write_to_file(this->name(), this->PROBE_DEFAULT);
+}