From 1be07a7ed163b6c1fc0329b8368640d50e6366f7 Mon Sep 17 00:00:00 2001
From: Pascal Bauer <pascal.bauer@rwth-aachen.de>
Date: Sat, 24 Aug 2024 12:14:53 +0200
Subject: [PATCH] implement path

Signed-off-by: Pascal Bauer <pascal.bauer@rwth-aachen.de>
---
 common/include/villas/kernel/devices/pci_device.hpp |  1 +
 common/lib/kernel/devices/pci_device.cpp            | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/common/include/villas/kernel/devices/pci_device.hpp b/common/include/villas/kernel/devices/pci_device.hpp
index 292b0cd31..b62595202 100644
--- a/common/include/villas/kernel/devices/pci_device.hpp
+++ b/common/include/villas/kernel/devices/pci_device.hpp
@@ -78,6 +78,7 @@ public:
   std::optional<int> iommu_group() const override;
   std::string name() const override;
   std::filesystem::path override_path() const override;
+  std::filesystem::path path() const override;
 
   // Bind a new LKM to the PCI device
   bool attachDriver(const std::string &driver) const;
diff --git a/common/lib/kernel/devices/pci_device.cpp b/common/lib/kernel/devices/pci_device.cpp
index 3f6850621..358796f42 100644
--- a/common/lib/kernel/devices/pci_device.cpp
+++ b/common/lib/kernel/devices/pci_device.cpp
@@ -469,6 +469,17 @@ std::string PciDevice::name() const {
            
   return std::string(sysfs);
 }
+
+// TODO: test
+std::filesystem::path PciDevice::path() const {
+  char sysfs[1024];
+
+  snprintf(sysfs, sizeof(sysfs), "%04x:%02x:%02x.%x", slot.domain, slot.bus,
+           slot.device, slot.function);
+
+  return sysfs;
+};
+
 // TODO: test
 std::filesystem::path PciDevice::override_path() const {