+ return 1;
+}
+
+/*
+ * Find the pci device specified by pci address, then invoke probe function of
+ * the driver of the devive.
+ */
+int
+rte_eal_pci_probe_one(struct rte_pci_addr *addr)
+{
+ struct rte_pci_device *dev = NULL;
+ int ret = 0;
+
+ if (addr == NULL)
+ return -1;
+
+ TAILQ_FOREACH(dev, &pci_device_list, next) {
+ if (rte_eal_compare_pci_addr(&dev->addr, addr))
+ continue;
+
+ ret = pci_probe_all_drivers(dev);
+ if (ret < 0)
+ goto err_return;
+ return 0;
+ }
+ return -1;
+
+err_return:
+ RTE_LOG(WARNING, EAL, "Requested device " PCI_PRI_FMT
+ " cannot be used\n", dev->addr.domain, dev->addr.bus,
+ dev->addr.devid, dev->addr.function);
+ return -1;
+}
+
+/*
+ * Find the pci device specified by pci address, then invoke close function of
+ * the driver of the devive.
+ */
+int
+rte_eal_pci_close_one(struct rte_pci_addr *addr)
+{
+ struct rte_pci_device *dev = NULL;
+ int ret = 0;
+
+ if (addr == NULL)
+ return -1;
+
+ TAILQ_FOREACH(dev, &pci_device_list, next) {
+ if (rte_eal_compare_pci_addr(&dev->addr, addr))
+ continue;
+
+ ret = pci_close_all_drivers(dev);
+ if (ret < 0)
+ goto err_return;
+
+ TAILQ_REMOVE(&pci_device_list, dev, next);
+ return 0;
+ }
+ return -1;
+
+err_return:
+ RTE_LOG(WARNING, EAL, "Requested device " PCI_PRI_FMT
+ " cannot be used\n", dev->addr.domain, dev->addr.bus,