From 6040aedddb5f474a9c2304b6a432a652d82b3d3c Mon Sep 17 00:00:00 2001
From: Mark Kanda <mark.kanda@oracle.com>
Date: Mon, 11 Dec 2017 09:16:24 -0600
Subject: virtio-blk: make queue size configurable

Depending on the configuration, it can be beneficial to adjust the virtio-blk
queue size to something other than the current default of 128. Add a new
property to make the queue size configurable.

Signed-off-by: Mark Kanda <mark.kanda@oracle.com>
Reviewed-by: Karl Heubaum <karl.heubaum@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Ameya More <ameya.more@oracle.com>
Message-id: 52e6d742811f10dbd16e996e86cf375b9577c187.1513005190.git.mark.kanda@oracle.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 include/hw/virtio/virtio-blk.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include')

diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h
index d3c8a6f..5117431 100644
--- a/include/hw/virtio/virtio-blk.h
+++ b/include/hw/virtio/virtio-blk.h
@@ -39,6 +39,7 @@ struct VirtIOBlkConf
     uint32_t config_wce;
     uint32_t request_merging;
     uint16_t num_queues;
+    uint16_t queue_size;
 };
 
 struct VirtIOBlockDataPlane;
-- 
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