vfio: fix build with Linux < 4.0

[dpdk.git] / drivers / bus / pci / linux / pci_vfio.c

diff --git a/drivers/bus/pci/linux/pci_vfio.c b/drivers/bus/pci/linux/pci_vfio.c
index 72d77bf..cc2387e 100644 (file)
--- a/drivers/bus/pci/linux/pci_vfio.c
+++ b/drivers/bus/pci/linux/pci_vfio.c
@@ -279,6 +279,7 @@ pci_vfio_setup_interrupts(struct rte_pci_device *dev, int vfio_dev_fd)
        return -1;
 }
 
+#ifdef HAVE_VFIO_DEV_REQ_INTERFACE
 static void
 pci_vfio_req_handler(void *param)
 {
@@ -384,6 +385,7 @@ pci_vfio_disable_notifier(struct rte_pci_device *dev)
 
        return 0;
 }
+#endif
 
 static int
 pci_vfio_is_ioport_bar(int vfio_dev_fd, int bar_index)
@@ -625,7 +627,9 @@ pci_vfio_map_resource_primary(struct rte_pci_device *dev)
        struct pci_map *maps;
 
        dev->intr_handle.fd = -1;
+#ifdef HAVE_VFIO_DEV_REQ_INTERFACE
        dev->vfio_req_intr_handle.fd = -1;
+#endif
 
        /* store PCI address string */
        snprintf(pci_addr, sizeof(pci_addr), PCI_PRI_FMT,
@@ -736,11 +740,13 @@ pci_vfio_map_resource_primary(struct rte_pci_device *dev)
                goto err_vfio_res;
        }
 
+#ifdef HAVE_VFIO_DEV_REQ_INTERFACE
        if (pci_vfio_enable_notifier(dev, vfio_dev_fd) != 0) {
                RTE_LOG(ERR, EAL, "Error setting up notifier!\n");
                goto err_vfio_res;
        }
 
+#endif
        TAILQ_INSERT_TAIL(vfio_res_list, vfio_res, next);
 
        return 0;
@@ -766,7 +772,9 @@ pci_vfio_map_resource_secondary(struct rte_pci_device *dev)
        struct pci_map *maps;
 
        dev->intr_handle.fd = -1;
+#ifdef HAVE_VFIO_DEV_REQ_INTERFACE
        dev->vfio_req_intr_handle.fd = -1;
+#endif
 
        /* store PCI address string */
        snprintf(pci_addr, sizeof(pci_addr), PCI_PRI_FMT,
@@ -807,7 +815,9 @@ pci_vfio_map_resource_secondary(struct rte_pci_device *dev)
 
        /* we need save vfio_dev_fd, so it can be used during release */
        dev->intr_handle.vfio_dev_fd = vfio_dev_fd;
+#ifdef HAVE_VFIO_DEV_REQ_INTERFACE
        dev->vfio_req_intr_handle.vfio_dev_fd = vfio_dev_fd;
+#endif
 
        return 0;
 err_vfio_dev_fd:
@@ -880,12 +890,14 @@ pci_vfio_unmap_resource_primary(struct rte_pci_device *dev)
        snprintf(pci_addr, sizeof(pci_addr), PCI_PRI_FMT,
                        loc->domain, loc->bus, loc->devid, loc->function);
 
+#ifdef HAVE_VFIO_DEV_REQ_INTERFACE
        ret = pci_vfio_disable_notifier(dev);
        if (ret) {
                RTE_LOG(ERR, EAL, "fail to disable req notifier.\n");
                return -1;
        }
 
+#endif
        if (close(dev->intr_handle.fd) < 0) {
                RTE_LOG(INFO, EAL, "Error when closing eventfd file descriptor for %s\n",
                        pci_addr);