[libvirt] [PATCH 2/5] Added function pciSysfsFile to enable access to the PCI SYSFS files.
---
src/util/pci.c | 17 +++++++++++++++++
src/util/pci.h | 2 ++
2 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/src/util/pci.c b/src/util/pci.c
index 857078d..89a9d12 100644
--- a/src/util/pci.c
+++ b/src/util/pci.c
@@ -39,6 +39,7 @@
#include "command.h"
#include "virterror_internal.h"
#include "virfile.h"
+#include "virnetdev.h"
/* avoid compilation breakage on some systems */
#ifndef MODPROBE
@@ -1991,6 +1992,22 @@ out:
return ret;
}
+ /*
+ * Returns a path to the PCI sysfs file given the BDF of the PCI function
+ */
+
+int
+pciSysfsFile(char **pci_sysfs_device_link, char *pciDeviceName)
+{
+ if (virAsprintf(pci_sysfs_device_link, PCI_SYSFS "devices/%s",
+ pciDeviceName) < 0) {
+ virReportOOMError();
+ return -1;
+ }
+
+ return 0;
+}
+
/*
* Returns the network device name of a pci device
*/
diff --git a/src/util/pci.h b/src/util/pci.h
index 8e47fc2..3800d98 100644
--- a/src/util/pci.h
+++ b/src/util/pci.h
@@ -143,4 +143,6 @@ int pciGetVirtualFunctionIndex(const char *pf_sysfs_device_link,
int pciDeviceNetName(char *device_link_sysfs_path, char **netname);
+int pciSysfsFile(char **pci_sysfs_device_link, char *pciDeviceName);
+
#endif /* __VIR_PCI_H__ */
--
1.7.4.4