vhost: convert vhost device driver to a plugin

convert vhost device driver to a plugin as described in
https://jira.fd.io/browse/VPP-2065

Type: improvement

Signed-off-by: Steven Luong <sluong@cisco.com>
Change-Id: Ibfe2f351bcaed36a04b136d082ae414145dd37b5

1 files changed, 69 insertions, 0 deletions

diff --git a/src/plugins/vhost/vhost_std.h b/src/plugins/vhost/vhost_std.h
new file mode 100644
index 00000000000..7799093bac3
--- /dev/null
+++ b/src/plugins/vhost/vhost_std.h
@@ -0,0 +1,69 @@
+/*
+ * 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 __VHOST_STD_H__
+#define __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;
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */