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[PATCH] virtio: increase VIRTQUEUE_MAX_SIZE to 32k
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From: |
Christian Schoenebeck |
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Subject: |
[PATCH] virtio: increase VIRTQUEUE_MAX_SIZE to 32k |
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Date: |
Sun, 3 Oct 2021 20:15:36 +0200 |
VIRTQUEUE_MAX_SIZE reflects the absolute theoretical maximum
queue size possible, which is actually the maximum queue size
allowed by the virtio protocol. The appropriate value for
VIRTQUEUE_MAX_SIZE is therefore 32768:
https://docs.oasis-open.org/virtio/virtio/v1.1/cs01/virtio-v1.1-cs01.html#x1-240006
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
---
include/hw/virtio/virtio.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 8bab9cfb75..1f18efa0bc 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -48,7 +48,7 @@ size_t virtio_feature_get_config_size(const VirtIOFeature
*features,
typedef struct VirtQueue VirtQueue;
-#define VIRTQUEUE_MAX_SIZE 1024
+#define VIRTQUEUE_MAX_SIZE 32768
typedef struct VirtQueueElement
{
--
2.20.1