[Qemu-devel] [PATCH v6 02/14] qapi/block-core: add option for io_uring

From: Aarushi Mehta <mehta.aaru20@gmail.com>
To: qemu-devel@nongnu.org
Cc: Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>,
	qemu-block@nongnu.org, Sergio Lopez <slp@redhat.com>,
	Markus Armbruster <armbru@redhat.com>,
	Maxim Levitsky <mlevitsk@redhat.com>,
	saket.sinha89@gmail.com, Max Reitz <mreitz@redhat.com>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Stefan Hajnoczi <stefan@redhat.com>,
	Julia Suvorova <jusual@mail.ru>,
	Aarushi Mehta <mehta.aaru20@gmail.com>
Subject: [Qemu-devel] [PATCH v6 02/14] qapi/block-core: add option for io_uring
Date: Fri, 19 Jul 2019 19:05:18 +0530	[thread overview]
Message-ID: <20190719133530.28688-3-mehta.aaru20@gmail.com> (raw)
In-Reply-To: <20190719133530.28688-1-mehta.aaru20@gmail.com>

Only enumerates option for devices that support it

Signed-off-by: Aarushi Mehta <mehta.aaru20@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 qapi/block-core.json | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/qapi/block-core.json b/qapi/block-core.json
index 0d43d4f37c..0a3d4ae7d2 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -2792,11 +2792,13 @@
 #
 # @threads:     Use qemu's thread pool
 # @native:      Use native AIO backend (only Linux and Windows)
+# @io_uring:    Use linux io_uring (since 4.1)
 #
 # Since: 2.9
 ##
 { 'enum': 'BlockdevAioOptions',
-  'data': [ 'threads', 'native' ] }
+  'data': [ 'threads', 'native',
+            { 'name': 'io_uring', 'if': 'defined(CONFIG_LINUX_IO_URING)' } ] }
 
 ##
 # @BlockdevCacheOptions:
-- 
2.21.0


