enic: fix vfio inclusion

Inclusion of vfio.h was giving compilation errors if kernel version is less
than 3.6.0 and if RTE_EAL_VFIO was in config.

Removed inclusion of vfio.h and replaced RTE_EAL_VFIO with VFIO_PRESENT.

Reported-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Signed-off-by: Sujith Sankar <ssujith@cisco.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>

diff --git a/lib/librte_pmd_enic/enic_main.c b/lib/librte_pmd_enic/enic_main.c
index 4b857bb..f6f00d3 100644 (file)
--- a/lib/librte_pmd_enic/enic_main.c
+++ b/lib/librte_pmd_enic/enic_main.c
@@ -39,9 +39,6 @@
 #include <sys/mman.h>
 #include <fcntl.h>
 #include <libgen.h>
-#ifdef RTE_EAL_VFIO
-#include <linux/vfio.h>
-#endif
 
 #include <rte_pci.h>
 #include <rte_memzone.h>
@@ -631,7 +628,7 @@ int enic_enable(struct enic *enic)
 
        vnic_dev_enable_wait(enic->vdev);
 
-#ifndef RTE_EAL_VFIO
+#ifndef VFIO_PRESENT
        /* Register and enable error interrupt */
        rte_intr_callback_register(&(enic->pdev->intr_handle),
                enic_intr_handler, (void *)enic->rte_dev);
@@ -995,7 +992,7 @@ int enic_setup_finish(struct enic *enic)
        return 0;
 }
 
-#ifdef RTE_EAL_VFIO
+#ifdef VFIO_PRESENT
 static void enic_eventfd_init(struct enic *enic)
 {
        enic->eventfd = enic->pdev->intr_handle.fd;
@@ -1033,7 +1030,7 @@ int enic_get_link_status(struct enic *enic)
 }
 
 
-#ifdef RTE_EAL_VFIO
+#ifdef VFIO_PRESENT
 static int enic_create_err_intr_thread(struct enic *enic)
 {
        pthread_attr_t intr_attr;
@@ -1111,7 +1108,7 @@ static void enic_dev_deinit(struct enic *enic)
        if (eth_dev->data->mac_addrs)
                rte_free(eth_dev->data->mac_addrs);
 
-#ifdef RTE_EAL_VFIO
+#ifdef VFIO_PRESENT
        enic_clear_intr_mode(enic);
 #endif
 }
@@ -1167,7 +1164,7 @@ static int enic_dev_init(struct enic *enic)
        */
        enic_get_res_counts(enic);
 
-#ifdef RTE_EAL_VFIO
+#ifdef VFIO_PRESENT
        /* Set interrupt mode based on resource counts and system
         * capabilities
         */