[libvirt] [PATCH 09/18] virpcimock: Introduce and use pci_device_get_path()
Have just one function to generate path to a PCI device so that
when we change it in near future there's only few of the places
we need to fix.
Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com>
---
tests/virpcimock.c | 42 +++++++++++++++++++++++++++++++-----------
1 file changed, 31 insertions(+), 11 deletions(-)
diff --git a/tests/virpcimock.c b/tests/virpcimock.c
index 213f906500..52a585d0cc 100644
--- a/tests/virpcimock.c
+++ b/tests/virpcimock.c
@@ -337,6 +337,29 @@ remove_fd(int fd)
/*
* PCI Device functions
*/
+static char *
+pci_device_get_path(const struct pciDevice *dev,
+ const char *file,
+ bool faked)
+{
+ char *ret = NULL;
+ const char *prefix = "";
+
+ if (faked)
+ prefix = fakerootdir;
+
+ if (file) {
+ ignore_value(virAsprintfQuiet(&ret, "%s" SYSFS_PCI_PREFIX
"devices/%s/%s",
+ prefix, dev->id, file));
+ } else {
+ ignore_value(virAsprintfQuiet(&ret, "%s" SYSFS_PCI_PREFIX
"devices/%s",
+ prefix, dev->id));
+ }
+
+ return ret;
+}
+
+
static void
pci_device_new_from_stub(const struct pciDevice *data)
{
@@ -365,12 +388,14 @@ pci_device_new_from_stub(const struct pciDevice *data)
if (VIR_ALLOC_QUIET(dev) < 0 ||
virAsprintfQuiet(&configSrc, "%s/virpcitestdata/%s.config",
- abs_srcdir, id) < 0 ||
- virAsprintfQuiet(&devpath, "%s/sys/bus/pci/devices/%s",
fakerootdir, data->id) < 0)
+ abs_srcdir, id) < 0)
ABORT_OOM();
memcpy(dev, data, sizeof(*dev));
+ if (!(devpath = pci_device_get_path(dev, NULL, true)))
+ ABORT_OOM();
+
if (virFileMakePath(devpath) < 0)
ABORT("Unable to create: %s", devpath);
@@ -563,9 +588,7 @@ pci_driver_find_by_driver_override(struct pciDevice *dev)
char tmp[32];
size_t i;
- if (virAsprintfQuiet(&path,
- SYSFS_PCI_PREFIX "devices/%s/driver_override",
- dev->id) < 0)
+ if (!(path = pci_device_get_path(dev, "driver_override", false)))
return NULL;
if (pci_read_file(path, tmp, sizeof(tmp), false) < 0)
@@ -595,8 +618,7 @@ pci_driver_bind(struct pciDriver *driver,
}
/* Make symlink under device tree */
- if (virAsprintfQuiet(&devpath, "%s/sys/bus/pci/devices/%s/driver",
- fakerootdir, dev->id) < 0 ||
+ if (!(devpath = pci_device_get_path(dev, "driver", true)) ||
virAsprintfQuiet(&driverpath, "%s/sys/bus/pci/drivers/%s",
fakerootdir, driver->name) < 0) {
errno = ENOMEM;
@@ -609,8 +631,7 @@ pci_driver_bind(struct pciDriver *driver,
/* Make symlink under driver tree */
VIR_FREE(devpath);
VIR_FREE(driverpath);
- if (virAsprintfQuiet(&devpath, "%s/sys/bus/pci/devices/%s",
- fakerootdir, dev->id) < 0 ||
+ if (!(devpath = pci_device_get_path(dev, NULL, true)) ||
virAsprintfQuiet(&driverpath, "%s/sys/bus/pci/drivers/%s/%s",
fakerootdir, driver->name, dev->id) < 0) {
errno = ENOMEM;
@@ -638,8 +659,7 @@ pci_driver_unbind(struct pciDriver *driver,
}
/* Make symlink under device tree */
- if (virAsprintfQuiet(&devpath, "%s/sys/bus/pci/devices/%s/driver",
- fakerootdir, dev->id) < 0 ||
+ if (!(devpath = pci_device_get_path(dev, "driver", true)) ||
virAsprintfQuiet(&driverpath, "%s/sys/bus/pci/drivers/%s/%s",
fakerootdir, driver->name, dev->id) < 0) {
errno = ENOMEM;
--
2.21.0