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authorDr. David Alan Gilbert2019-09-30 12:51:34 +0200
committerMichael S. Tsirkin2019-10-05 23:43:55 +0200
commit98fc1ada4cf70af0f1df1a2d7183cf786fc7da05 (patch)
tree64b4e5b1bba157800df10e82c28257cea3d79b3d /include/hw/virtio
parentvirtio: Add virtio_fs linux headers (diff)
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virtio: add vhost-user-fs base device
The virtio-fs virtio device provides shared file system access using the FUSE protocol carried over virtio. The actual file server is implemented in an external vhost-user-fs device backend process. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20190930105135.27244-3-dgilbert@redhat.com> Acked-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw/virtio')
-rw-r--r--include/hw/virtio/vhost-user-fs.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/include/hw/virtio/vhost-user-fs.h b/include/hw/virtio/vhost-user-fs.h
new file mode 100644
index 0000000000..539885b458
--- /dev/null
+++ b/include/hw/virtio/vhost-user-fs.h
@@ -0,0 +1,45 @@
+/*
+ * Vhost-user filesystem virtio device
+ *
+ * Copyright 2018-2019 Red Hat, Inc.
+ *
+ * Authors:
+ * Stefan Hajnoczi <stefanha@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version. See the COPYING file in the
+ * top-level directory.
+ */
+
+#ifndef _QEMU_VHOST_USER_FS_H
+#define _QEMU_VHOST_USER_FS_H
+
+#include "hw/virtio/virtio.h"
+#include "hw/virtio/vhost.h"
+#include "hw/virtio/vhost-user.h"
+#include "chardev/char-fe.h"
+
+#define TYPE_VHOST_USER_FS "vhost-user-fs-device"
+#define VHOST_USER_FS(obj) \
+ OBJECT_CHECK(VHostUserFS, (obj), TYPE_VHOST_USER_FS)
+
+typedef struct {
+ CharBackend chardev;
+ char *tag;
+ uint16_t num_request_queues;
+ uint16_t queue_size;
+ char *vhostfd;
+} VHostUserFSConf;
+
+typedef struct {
+ /*< private >*/
+ VirtIODevice parent;
+ VHostUserFSConf conf;
+ struct vhost_virtqueue *vhost_vqs;
+ struct vhost_dev vhost_dev;
+ VhostUserState vhost_user;
+
+ /*< public >*/
+} VHostUserFS;
+
+#endif /* _QEMU_VHOST_USER_FS_H */