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authorNikolay Nikolaev <n.nikolaev@virtualopensystems.com>2014-05-27 15:05:49 +0300
committerMichael S. Tsirkin <mst@redhat.com>2014-06-19 16:41:56 +0300
commit1a1bfac9ee13d76a4b257431cc4193c8a42efa19 (patch)
tree47c0d93e3931a6992f5835c5d292533e931789bf /include
parent24d1eb33eb2ccd995a845a4d4b793e2619a9e460 (diff)
downloadqemu-1a1bfac9ee13d76a4b257431cc4193c8a42efa19.zip
Add vhost-backend and VhostBackendType
Use vhost_set_backend_type to initialise a proper vhost_ops structure. In vhost_net_init and vhost_net_start_one call conditionally TAP related initialisation depending on the vhost backend type. Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com> Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/hw/virtio/vhost-backend.h11
-rw-r--r--include/hw/virtio/vhost.h4
-rw-r--r--include/net/vhost_net.h2
3 files changed, 15 insertions, 2 deletions
diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h
index 14e5878318..d31768a1d4 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -11,6 +11,13 @@
#ifndef VHOST_BACKEND_H_
#define VHOST_BACKEND_H_
+typedef enum VhostBackendType {
+ VHOST_BACKEND_TYPE_NONE = 0,
+ VHOST_BACKEND_TYPE_KERNEL = 1,
+ VHOST_BACKEND_TYPE_USER = 2,
+ VHOST_BACKEND_TYPE_MAX = 3,
+} VhostBackendType;
+
struct vhost_dev;
typedef int (*vhost_call)(struct vhost_dev *dev, unsigned long int request,
@@ -19,9 +26,13 @@ typedef int (*vhost_backend_init)(struct vhost_dev *dev, void *opaque);
typedef int (*vhost_backend_cleanup)(struct vhost_dev *dev);
typedef struct VhostOps {
+ VhostBackendType backend_type;
vhost_call vhost_call;
vhost_backend_init vhost_backend_init;
vhost_backend_cleanup vhost_backend_cleanup;
} VhostOps;
+int vhost_set_backend_type(struct vhost_dev *dev,
+ VhostBackendType backend_type);
+
#endif /* VHOST_BACKEND_H_ */
diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index 4714277f82..33028ec8c2 100644
--- a/include/hw/virtio/vhost.h
+++ b/include/hw/virtio/vhost.h
@@ -31,7 +31,6 @@ typedef unsigned long vhost_log_chunk_t;
struct vhost_memory;
struct vhost_dev {
MemoryListener memory_listener;
- int control;
struct vhost_memory *mem;
int n_mem_sections;
MemoryRegionSection *mem_sections;
@@ -51,10 +50,11 @@ struct vhost_dev {
hwaddr mem_changed_start_addr;
hwaddr mem_changed_end_addr;
const VhostOps *vhost_ops;
+ void *opaque;
};
int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
- bool force);
+ VhostBackendType backend_type, bool force);
void vhost_dev_cleanup(struct vhost_dev *hdev);
bool vhost_dev_query(struct vhost_dev *hdev, VirtIODevice *vdev);
int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev);
diff --git a/include/net/vhost_net.h b/include/net/vhost_net.h
index 2067ee2298..b1c18a3f3b 100644
--- a/include/net/vhost_net.h
+++ b/include/net/vhost_net.h
@@ -2,11 +2,13 @@
#define VHOST_NET_H
#include "net/net.h"
+#include "hw/virtio/vhost-backend.h"
struct vhost_net;
typedef struct vhost_net VHostNetState;
typedef struct VhostNetOptions {
+ VhostBackendType backend_type;
NetClientState *net_backend;
void *opaque;
bool force;