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-rw-r--r--qemu/hw/9pfs/virtio-9p-xattr.h120
1 files changed, 120 insertions, 0 deletions
diff --git a/qemu/hw/9pfs/virtio-9p-xattr.h b/qemu/hw/9pfs/virtio-9p-xattr.h
new file mode 100644
index 000000000..327b32b5a
--- /dev/null
+++ b/qemu/hw/9pfs/virtio-9p-xattr.h
@@ -0,0 +1,120 @@
+/*
+ * Virtio 9p
+ *
+ * Copyright IBM, Corp. 2010
+ *
+ * Authors:
+ * Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ */
+#ifndef _QEMU_VIRTIO_9P_XATTR_H
+#define _QEMU_VIRTIO_9P_XATTR_H
+
+#include "qemu/xattr.h"
+
+typedef struct xattr_operations
+{
+ const char *name;
+ ssize_t (*getxattr)(FsContext *ctx, const char *path,
+ const char *name, void *value, size_t size);
+ ssize_t (*listxattr)(FsContext *ctx, const char *path,
+ char *name, void *value, size_t size);
+ int (*setxattr)(FsContext *ctx, const char *path, const char *name,
+ void *value, size_t size, int flags);
+ int (*removexattr)(FsContext *ctx,
+ const char *path, const char *name);
+} XattrOperations;
+
+
+extern XattrOperations mapped_user_xattr;
+extern XattrOperations passthrough_user_xattr;
+
+extern XattrOperations mapped_pacl_xattr;
+extern XattrOperations mapped_dacl_xattr;
+extern XattrOperations passthrough_acl_xattr;
+extern XattrOperations none_acl_xattr;
+
+extern XattrOperations *mapped_xattr_ops[];
+extern XattrOperations *passthrough_xattr_ops[];
+extern XattrOperations *none_xattr_ops[];
+
+ssize_t v9fs_get_xattr(FsContext *ctx, const char *path, const char *name,
+ void *value, size_t size);
+ssize_t v9fs_list_xattr(FsContext *ctx, const char *path, void *value,
+ size_t vsize);
+int v9fs_set_xattr(FsContext *ctx, const char *path, const char *name,
+ void *value, size_t size, int flags);
+int v9fs_remove_xattr(FsContext *ctx, const char *path, const char *name);
+ssize_t pt_listxattr(FsContext *ctx, const char *path, char *name, void *value,
+ size_t size);
+
+static inline ssize_t pt_getxattr(FsContext *ctx, const char *path,
+ const char *name, void *value, size_t size)
+{
+ char *buffer;
+ ssize_t ret;
+
+ buffer = rpath(ctx, path);
+ ret = lgetxattr(buffer, name, value, size);
+ g_free(buffer);
+ return ret;
+}
+
+static inline int pt_setxattr(FsContext *ctx, const char *path,
+ const char *name, void *value,
+ size_t size, int flags)
+{
+ char *buffer;
+ int ret;
+
+ buffer = rpath(ctx, path);
+ ret = lsetxattr(buffer, name, value, size, flags);
+ g_free(buffer);
+ return ret;
+}
+
+static inline int pt_removexattr(FsContext *ctx,
+ const char *path, const char *name)
+{
+ char *buffer;
+ int ret;
+
+ buffer = rpath(ctx, path);
+ ret = lremovexattr(path, name);
+ g_free(buffer);
+ return ret;
+}
+
+static inline ssize_t notsup_getxattr(FsContext *ctx, const char *path,
+ const char *name, void *value,
+ size_t size)
+{
+ errno = ENOTSUP;
+ return -1;
+}
+
+static inline int notsup_setxattr(FsContext *ctx, const char *path,
+ const char *name, void *value,
+ size_t size, int flags)
+{
+ errno = ENOTSUP;
+ return -1;
+}
+
+static inline ssize_t notsup_listxattr(FsContext *ctx, const char *path,
+ char *name, void *value, size_t size)
+{
+ return 0;
+}
+
+static inline int notsup_removexattr(FsContext *ctx,
+ const char *path, const char *name)
+{
+ errno = ENOTSUP;
+ return -1;
+}
+
+#endif