From: Jason Wang <jasowang@redhat.com>
To: qemu-devel@nongnu.org
Cc: Jason Wang <jasowang@redhat.com>, mst@redhat.com
Subject: [Qemu-devel] [PATCH 2/5] virtio: increase VIRITO_QUEUE_MAX to 513
Date: Fri, 6 Feb 2015 15:54:10 +0800 [thread overview]
Message-ID: <1423209253-22222-3-git-send-email-jasowang@redhat.com> (raw)
In-Reply-To: <1423209253-22222-1-git-send-email-jasowang@redhat.com>
Recent linux kernel supports up to 256 tap queues. Increase the limit
to 513 (256 * 2 + 1(ctrl vq)).
Signed-off-by: Jason Wang <jasowang@redhat.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 220c09d..21bb30f 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -92,7 +92,7 @@ typedef struct VirtQueueElement
struct iovec out_sg[VIRTQUEUE_MAX_SIZE];
} VirtQueueElement;
-#define VIRTIO_QUEUE_MAX 64
+#define VIRTIO_QUEUE_MAX 513
#define VIRTIO_NO_VECTOR 0xffff
--
1.9.1
next prev parent reply other threads:[~2015-02-06 7:54 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-06 7:54 [Qemu-devel] [PATCH 0/5] Support more virtio queues Jason Wang
2015-02-06 7:54 ` [Qemu-devel] [PATCH 1/5] virtio: rename VIRTIO_PCI_QUEUE_MAX to VIRTIO_QUEUE_MAX Jason Wang
2015-02-06 11:54 ` Cornelia Huck
2015-02-09 5:58 ` Jason Wang
2015-02-06 7:54 ` Jason Wang [this message]
2015-02-06 16:21 ` [Qemu-devel] [PATCH 2/5] virtio: increase VIRITO_QUEUE_MAX to 513 Stefan Hajnoczi
2015-02-08 10:51 ` Michael S. Tsirkin
2015-02-09 6:11 ` Jason Wang
2015-02-06 7:54 ` [Qemu-devel] [PATCH 3/5] virtio-net: fix the upper bound when trying to delete queues Jason Wang
2015-02-06 7:54 ` [Qemu-devel] [PATCH 4/5] pci: remove hard-coded bar size in msix_init_exclusive_bar() Jason Wang
2015-02-06 7:54 ` [Qemu-devel] [PATCH 5/5] virtio-pci: introduce auto_msix_bar_size property Jason Wang
2015-02-06 16:26 ` [Qemu-devel] [PATCH 0/5] Support more virtio queues Stefan Hajnoczi
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