[RFC,4/9] stubs: add aio interface stubs for io_uring

Commit Message

Aarushi Mehta May 21, 2019, 11:52 p.m. UTC

Signed-off-by: Aarushi Mehta <[e-mail]>
---
 stubs/Makefile.objs |  1 +
 stubs/io_uring.c    | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 stubs/io_uring.c

--
2.17.1

Comments

Stefan Hajnoczi May 22, 2019, 1:10 p.m. UTC | #1

On Wed, May 22, 2019 at 05:22:10AM +0530, Aarushi Mehta wrote:
> Signed-off-by: Aarushi Mehta <[e-mail]>
> ---
>  stubs/Makefile.objs |  1 +
>  stubs/io_uring.c    | 32 ++++++++++++++++++++++++++++++++
>  2 files changed, 33 insertions(+)
>  create mode 100644 stubs/io_uring.c

Reviewed-by: Stefan Hajnoczi <[e-mail]>

Patch

diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs
index 269dfa5832..86ceca5c4e 100644
--- a/stubs/Makefile.objs
+++ b/stubs/Makefile.objs
@@ -13,6 +13,7 @@  stub-obj-y += iothread.o
 stub-obj-y += iothread-lock.o
 stub-obj-y += is-daemonized.o
 stub-obj-$(CONFIG_LINUX_AIO) += linux-aio.o
+stub-obj-$(CONFIG_LINUX_IO_URING) += io_uring.o
 stub-obj-y += machine-init-done.o
 stub-obj-y += migr-blocker.o
 stub-obj-y += change-state-handler.o
diff --git a/stubs/io_uring.c b/stubs/io_uring.c
new file mode 100644
index 0000000000..622d1e4648
--- /dev/null
+++ b/stubs/io_uring.c
@@ -0,0 +1,32 @@ 
+/*
+ * Linux io_uring support.
+ *
+ * Copyright (C) 2009 IBM, Corp.
+ * Copyright (C) 2009 Red Hat, Inc.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#include "qemu/osdep.h"
+#include "block/aio.h"
+#include "block/raw-aio.h"
+
+void luring_detach_aio_context(LuringState *s, AioContext *old_context)
+{
+    abort();
+}
+
+void luring_attach_aio_context(LuringState *s, AioContext *new_context)
+{
+    abort();
+}
+
+LuringState *luring_init(Error **errp)
+{
+    abort();
+}
+
+void luring_cleanup(LuringState *s)
+{
+    abort();
+}