#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
+#include <stdbool.h>
#include <sys/queue.h>
#include <rte_eal.h>
+#include <rte_dev.h>
#include <rte_bus.h>
#include <rte_vdev.h>
#include <rte_common.h>
#include <rte_devargs.h>
#include <rte_memory.h>
+#include <rte_errno.h>
/** Double linked list of virtual device drivers. */
TAILQ_HEAD(vdev_device_list, rte_vdev_device);
struct vdev_driver_list vdev_driver_list =
TAILQ_HEAD_INITIALIZER(vdev_driver_list);
-static void rte_vdev_bus_register(void);
-
/* register a driver */
void
-rte_eal_vdrv_register(struct rte_vdev_driver *driver)
+rte_vdev_register(struct rte_vdev_driver *driver)
{
- rte_vdev_bus_register();
-
TAILQ_INSERT_TAIL(&vdev_driver_list, driver, next);
- rte_eal_driver_register(&driver->driver);
}
/* unregister a driver */
void
-rte_eal_vdrv_unregister(struct rte_vdev_driver *driver)
+rte_vdev_unregister(struct rte_vdev_driver *driver)
{
- rte_eal_driver_unregister(&driver->driver);
TAILQ_REMOVE(&vdev_driver_list, driver, next);
}
}
int
-rte_eal_vdev_init(const char *name, const char *args)
+rte_vdev_init(const char *name, const char *args)
{
struct rte_vdev_device *dev;
struct rte_devargs *devargs;
TAILQ_INSERT_TAIL(&devargs_list, devargs, next);
- rte_eal_device_insert(&dev->device);
TAILQ_INSERT_TAIL(&vdev_device_list, dev, next);
return 0;
}
int
-rte_eal_vdev_uninit(const char *name)
+rte_vdev_uninit(const char *name)
{
struct rte_vdev_device *dev;
struct rte_devargs *devargs;
return ret;
TAILQ_REMOVE(&vdev_device_list, dev, next);
- rte_eal_device_remove(&dev->device);
TAILQ_REMOVE(&devargs_list, devargs, next);
dev->device.numa_node = SOCKET_ID_ANY;
dev->device.name = devargs->virt.drv_name;
- rte_eal_device_insert(&dev->device);
TAILQ_INSERT_TAIL(&vdev_device_list, dev, next);
}
{
struct rte_vdev_device *dev;
- /*
- * Note that the dev_driver_list is populated here
- * from calls made to rte_eal_driver_register from constructor functions
- * embedded into PMD modules via the RTE_PMD_REGISTER_VDEV macro
- */
-
/* call the init function for each virtual device */
TAILQ_FOREACH(dev, &vdev_device_list, next) {
return 0;
}
-static struct rte_bus rte_vdev_bus = {
- .scan = vdev_scan,
- .probe = vdev_probe,
-};
+static struct rte_device *
+vdev_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
+ const void *data)
+{
+ struct rte_vdev_device *dev;
+ bool start_found = !start;
-RTE_INIT(rte_vdev_bus_register);
+ TAILQ_FOREACH(dev, &vdev_device_list, next) {
+ if (start_found == 0) {
+ if (&dev->device == start)
+ start_found = 1;
+ continue;
+ }
+ if (cmp(&dev->device, data) == 0)
+ return &dev->device;
+ }
+ return NULL;
+}
-static void rte_vdev_bus_register(void)
+static int
+vdev_unplug(struct rte_device *dev)
{
- static int registered;
+ /*
+ * The virtual bus doesn't support 'unattached' devices so this is
+ * actually equal to hotplugging removal of it.
+ */
+ return rte_vdev_uninit(dev->name);
+}
- if (registered)
- return;
+static struct rte_bus rte_vdev_bus = {
+ .scan = vdev_scan,
+ .probe = vdev_probe,
+ .find_device = vdev_find_device,
+ /* .plug = NULL, see comment on vdev_unplug */
+ .unplug = vdev_unplug,
+};
- registered = 1;
- rte_vdev_bus.name = RTE_STR(virtual);
- rte_bus_register(&rte_vdev_bus);
-}
+RTE_REGISTER_BUS(VIRTUAL_BUS_NAME, rte_vdev_bus);