[libvirt] [PATCH 6/9] virpcimock: Mock /sys/bus/pci/drivers_probe
This file is used by PCI detach and reattach APIs to probe for a driver
that handles a specific device.
Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com>
---
tests/virpcimock.c | 40 +++++++++++++++++++++++++++++-----------
1 file changed, 29 insertions(+), 11 deletions(-)
diff --git a/tests/virpcimock.c b/tests/virpcimock.c
index 49759b0..bf56143 100644
--- a/tests/virpcimock.c
+++ b/tests/virpcimock.c
@@ -91,6 +91,10 @@ char *fakesysfsdir;
* Unbind driver from the device.
* Data in format "DDDD:BB:DD.F" (Domain:Bus:Device.Function).
*
+ * /sys/bus/pci/drivers_probe
+ * Probe for a driver that handles the specified device.
+ * Data in format "DDDD:BB:DD.F" (Domain:Bus:Device.Function).
+ *
* As a little hack, we are not mocking write to these files, but close()
* instead. The advantage is we don't need any self growing array to hold the
* partial writes and construct them back. We can let all the writes finish,
@@ -568,27 +572,39 @@ cleanup:
}
static int
+pci_driver_handle_drivers_probe(const char *path)
+{
+ struct pciDevice *dev;
+
+ if (!(dev = pci_device_find_by_content(path))) {
+ errno = ENODEV;
+ return -1;
+ }
+
+ if (dev->driver)
+ return 0;
+
+ return pci_device_autobind(dev);
+}
+
+static int
pci_driver_handle_change(int fd ATTRIBUTE_UNUSED, const char *path)
{
int ret;
const char *file = last_component(path);
- if (STREQ(file, "bind")) {
- /* handle write to bind */
+ if (STREQ(file, "bind"))
ret = pci_driver_handle_bind(path);
- } else if (STREQ(file, "unbind")) {
- /* handle write to unbind */
+ else if (STREQ(file, "unbind"))
ret = pci_driver_handle_unbind(path);
- } else if (STREQ(file, "new_id")) {
- /* handle write to new_id */
+ else if (STREQ(file, "new_id"))
ret = pci_driver_handle_new_id(path);
- } else if (STREQ(file, "remove_id")) {
- /* handle write to remove_id */
+ else if (STREQ(file, "remove_id"))
ret = pci_driver_handle_remove_id(path);
- } else {
- /* yet not handled write */
+ else if (STREQ(file, "drivers_probe"))
+ ret = pci_driver_handle_drivers_probe(path);
+ else
ABORT("Not handled write to: %s", path);
- }
return ret;
}
@@ -766,6 +782,8 @@ init_env(void)
if (!(fakesysfsdir = getenv("LIBVIRT_FAKE_SYSFS_DIR")))
ABORT("Missing LIBVIRT_FAKE_SYSFS_DIR env variable\n");
+ make_file(fakesysfsdir, "drivers_probe", NULL, -1);
+
# define MAKE_PCI_DRIVER(name, ...) \
pci_driver_new(name, __VA_ARGS__, -1, -1)
--
1.8.5.3