virtio: Minor fixes and header cleanup

Change-Id: I2e5fd45abcd07e9eda6184587889bdcd9613a159
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
diff --git a/src/vnet/devices/virtio/cli.c b/src/vnet/devices/virtio/cli.c
index d006524..92e7e93 100644
--- a/src/vnet/devices/virtio/cli.c
+++ b/src/vnet/devices/virtio/cli.c
@@ -14,11 +14,6 @@
  * limitations under the License.
  *------------------------------------------------------------------
  */
-#include <stdint.h>
-#include <net/if.h>
-#include <sys/ioctl.h>
-#include <inttypes.h>
-
 #include <vlib/vlib.h>
 #include <vlib/unix/unix.h>
 #include <vlib/pci/pci.h>
@@ -66,7 +61,7 @@
 /* *INDENT-OFF* */
 VLIB_CLI_COMMAND (virtio_pci_create_command, static) = {
   .path = "create interface virtio",
-  .short_help = "create interface virtio <pci-address>"
+  .short_help = "create interface virtio <pci-address> "
                 "[feature-mask <hex-mask>] [rx-queue-size <size>] [tx-queue-size <size>]",
   .function = virtio_pci_create_command_fn,
 };
@@ -119,7 +114,7 @@
 /* *INDENT-OFF* */
 VLIB_CLI_COMMAND (virtio_pci_delete_command, static) = {
   .path = "delete interface virtio",
-  .short_help = "delete interface virtio"
+  .short_help = "delete interface virtio "
     "{<interface> | sw_if_index <sw_idx>}",
   .function = virtio_pci_delete_command_fn,
 };
diff --git a/src/vnet/devices/virtio/device.c b/src/vnet/devices/virtio/device.c
index 4eeb2ca..78d6907 100644
--- a/src/vnet/devices/virtio/device.c
+++ b/src/vnet/devices/virtio/device.c
@@ -18,8 +18,6 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
-#include <linux/virtio_net.h>
-#include <linux/vhost.h>
 
 #include <vlib/vlib.h>
 #include <vlib/unix/unix.h>
diff --git a/src/vnet/devices/virtio/node.c b/src/vnet/devices/virtio/node.c
index c02b607..6627456 100644
--- a/src/vnet/devices/virtio/node.c
+++ b/src/vnet/devices/virtio/node.c
@@ -21,8 +21,6 @@
 #include <net/if.h>
 #include <linux/if_tun.h>
 #include <sys/ioctl.h>
-#include <linux/virtio_net.h>
-#include <linux/vhost.h>
 #include <sys/eventfd.h>
 
 #include <vlib/vlib.h>
@@ -40,10 +38,10 @@
 
 typedef enum
 {
-#define _(f,s) TAP_INPUT_ERROR_##f,
+#define _(f,s) VIRTIO_INPUT_ERROR_##f,
   foreach_virtio_input_error
 #undef _
-    TAP_INPUT_N_ERROR,
+    VIRTIO_INPUT_N_ERROR,
 } virtio_input_error_t;
 
 static char *virtio_input_error_strings[] = {
@@ -302,7 +300,7 @@
   .format_trace = format_virtio_input_trace,
   .type = VLIB_NODE_TYPE_INPUT,
   .state = VLIB_NODE_STATE_INTERRUPT,
-  .n_errors = TAP_INPUT_N_ERROR,
+  .n_errors = VIRTIO_INPUT_N_ERROR,
   .error_strings = virtio_input_error_strings,
 };
 
diff --git a/src/vnet/devices/virtio/pci.c b/src/vnet/devices/virtio/pci.c
index 531a7fb..e615827 100644
--- a/src/vnet/devices/virtio/pci.c
+++ b/src/vnet/devices/virtio/pci.c
@@ -15,19 +15,11 @@
 
 #include <fcntl.h>
 #include <sys/ioctl.h>
-#include <linux/virtio_net.h>
-#include <linux/virtio_ring.h>
-#include <linux/vhost.h>
-#include <sys/eventfd.h>
-#if defined(__x86_64__)
-#include <sys/io.h>
-#endif
 
 #include <vppinfra/types.h>
 #include <vlib/vlib.h>
 #include <vlib/pci/pci.h>
 #include <vnet/ethernet/ethernet.h>
-#include <vpp/app/version.h>
 #include <vnet/ip/ip4_packet.h>
 #include <vnet/ip/ip6_packet.h>
 #include <vnet/devices/virtio/virtio.h>
diff --git a/src/vnet/devices/virtio/virtio_api.c b/src/vnet/devices/virtio/virtio_api.c
index 6f70b09..5035799 100644
--- a/src/vnet/devices/virtio/virtio_api.c
+++ b/src/vnet/devices/virtio/virtio_api.c
@@ -108,7 +108,7 @@
 {
   vnet_main_t *vnm = vnet_get_main ();
   vlib_main_t *vm = vlib_get_main ();
-  virtio_main_t *vmx = &virtio_main;
+  virtio_main_t *vim = &virtio_main;
   int rv = 0;
   vnet_hw_interface_t *hw;
   virtio_if_t *vif;
@@ -124,7 +124,7 @@
       goto reply;
     }
 
-  vif = pool_elt_at_index (vmx->interfaces, hw->dev_instance);
+  vif = pool_elt_at_index (vim->interfaces, hw->dev_instance);
 
   rv = virtio_pci_delete_if (vm, vif);