+
+/* Add a device to PCI bus */
+void
+rte_pci_add_device(struct rte_pci_device *pci_dev)
+{
+ TAILQ_INSERT_TAIL(&rte_pci_bus.device_list, pci_dev, next);
+}
+
+/* Insert a device into a predefined position in PCI bus */
+void
+rte_pci_insert_device(struct rte_pci_device *exist_pci_dev,
+ struct rte_pci_device *new_pci_dev)
+{
+ TAILQ_INSERT_BEFORE(exist_pci_dev, new_pci_dev, next);
+}
+
+/* Remove a device from PCI bus */
+void
+rte_pci_remove_device(struct rte_pci_device *pci_dev)
+{
+ TAILQ_REMOVE(&rte_pci_bus.device_list, pci_dev, next);
+}
+
+static struct rte_device *
+pci_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
+ const void *data)
+{
+ struct rte_pci_device *dev;
+
+ FOREACH_DEVICE_ON_PCIBUS(dev) {
+ if (start && &dev->device == start) {
+ start = NULL; /* starting point found */
+ continue;
+ }
+ if (cmp(&dev->device, data) == 0)
+ return &dev->device;
+ }
+
+ return NULL;
+}
+
+static int
+pci_plug(struct rte_device *dev)
+{
+ return pci_probe_all_drivers(RTE_DEV_TO_PCI(dev));
+}
+
+static int
+pci_unplug(struct rte_device *dev)
+{
+ struct rte_pci_device *pdev;
+ int ret;
+
+ pdev = RTE_DEV_TO_PCI(dev);
+ ret = rte_pci_detach_dev(pdev);
+ rte_pci_remove_device(pdev);
+ free(pdev);
+ return ret;
+}
+
+struct rte_pci_bus rte_pci_bus = {
+ .bus = {
+ .scan = rte_pci_scan,
+ .probe = rte_pci_probe,
+ .find_device = pci_find_device,
+ .plug = pci_plug,
+ .unplug = pci_unplug,
+ .parse = pci_parse,
+ },
+ .device_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.device_list),
+ .driver_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.driver_list),
+};
+
+RTE_REGISTER_BUS(pci, rte_pci_bus.bus);