virtio: remove kernel virtio header dependencies

Type: refactor

tap, virtio and vhost use virtio/vhost header files from linux
kernel. Different features are supported on different kernel
versions, making it difficult to use those in VPP. This patch
removes virtio/vhost based header dependencies to local header
files.

Change-Id: I064a8adb5cd9753c986b6f224bb075200b3856af
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>

1 files changed, 87 insertions, 0 deletions

diff --git a/src/vnet/devices/virtio/vhost_std.h b/src/vnet/devices/virtio/vhost_std.h
new file mode 100644
index 00000000000..a24071faeb5
--- /dev/null
+++ b/src/vnet/devices/virtio/vhost_std.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __VIRTIO_VHOST_STD_H__
+#define __VIRTIO_VHOST_STD_H__
+
+typedef struct
+{
+  u64 guest_phys_addr;
+  u64 memory_size;
+  u64 userspace_addr;
+  u64 mmap_offset;
+} vhost_memory_region_t;
+
+typedef struct
+{
+  u32 nregions;
+  u32 padding;
+  vhost_memory_region_t regions[0];
+} vhost_memory_t;
+
+typedef struct
+{
+  u32 index;
+  u32 num;
+} vhost_vring_state_t;
+
+typedef struct
+{
+  u32 index;
+  int fd;
+} vhost_vring_file_t;
+
+typedef struct
+{
+  u32 index;
+  u32 flags;
+  u64 desc_user_addr;
+  u64 used_user_addr;
+  u64 avail_user_addr;
+  u64 log_guest_addr;
+} vhost_vring_addr_t;
+
+typedef struct
+{
+  u64 size;
+  u64 offset;
+} vhost_user_log_t;
+
+/* vhost kernel ioctls */
+#define VHOST_VIRTIO 0xAF
+#define VHOST_GET_FEATURES _IOR(VHOST_VIRTIO, 0x00, u64)
+#define VHOST_SET_FEATURES _IOW(VHOST_VIRTIO, 0x00, u64)
+#define VHOST_SET_OWNER _IO(VHOST_VIRTIO, 0x01)
+#define VHOST_RESET_OWNER _IO(VHOST_VIRTIO, 0x02)
+#define VHOST_SET_MEM_TABLE _IOW(VHOST_VIRTIO, 0x03, vhost_memory_t)
+#define VHOST_SET_LOG_BASE _IOW(VHOST_VIRTIO, 0x04, u64)
+#define VHOST_SET_LOG_FD _IOW(VHOST_VIRTIO, 0x07, int)
+#define VHOST_SET_VRING_NUM _IOW(VHOST_VIRTIO, 0x10, vhost_vring_state_t)
+#define VHOST_SET_VRING_ADDR _IOW(VHOST_VIRTIO, 0x11, vhost_vring_addr_t)
+#define VHOST_SET_VRING_BASE _IOW(VHOST_VIRTIO, 0x12, vhost_vring_state_t)
+#define VHOST_GET_VRING_BASE _IOWR(VHOST_VIRTIO, 0x12, vhost_vring_state_t)
+#define VHOST_SET_VRING_KICK _IOW(VHOST_VIRTIO, 0x20, vhost_vring_file_t)
+#define VHOST_SET_VRING_CALL _IOW(VHOST_VIRTIO, 0x21, vhost_vring_file_t)
+#define VHOST_SET_VRING_ERR _IOW(VHOST_VIRTIO, 0x22, vhost_vring_file_t)
+#define VHOST_NET_SET_BACKEND _IOW(VHOST_VIRTIO, 0x30, vhost_vring_file_t)
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */