aboutsummaryrefslogtreecommitdiff
path: root/fsdev/qemu-fsdev-throttle.h
diff options
context:
space:
mode:
Diffstat (limited to 'fsdev/qemu-fsdev-throttle.h')
-rw-r--r--fsdev/qemu-fsdev-throttle.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/fsdev/qemu-fsdev-throttle.h b/fsdev/qemu-fsdev-throttle.h
new file mode 100644
index 0000000000..e418643ccb
--- /dev/null
+++ b/fsdev/qemu-fsdev-throttle.h
@@ -0,0 +1,39 @@
+/*
+ * Fsdev Throttle
+ *
+ * Copyright (C) 2016 Huawei Technologies Duesseldorf GmbH
+ *
+ * Author: Pradeep Jagadeesh <pradeep.jagadeesh@huawei.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 for details.
+ *
+ */
+
+#ifndef _FSDEV_THROTTLE_H
+#define _FSDEV_THROTTLE_H
+
+#include "block/aio.h"
+#include "qemu/main-loop.h"
+#include "qemu/coroutine.h"
+#include "qapi/error.h"
+#include "qemu/throttle.h"
+
+typedef struct FsThrottle {
+ ThrottleState ts;
+ ThrottleTimers tt;
+ ThrottleConfig cfg;
+ CoQueue throttled_reqs[2];
+} FsThrottle;
+
+void fsdev_throttle_parse_opts(QemuOpts *, FsThrottle *, Error **);
+
+void fsdev_throttle_init(FsThrottle *);
+
+void coroutine_fn fsdev_co_throttle_request(FsThrottle *, bool ,
+ struct iovec *, int);
+
+void fsdev_throttle_cleanup(FsThrottle *);
+#endif /* _FSDEV_THROTTLE_H */