netdev - [PATCH v2 4/9] virtio_ring: virtqueue

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Date:   Thu, 24 Feb 2022 19:03:57 +0800
From:   Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
To:     virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Cc:     "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>, bpf@...r.kernel.org
Subject: [PATCH v2 4/9] virtio_ring: virtqueue_add() support premapped

virtuque_add() adds parameter premapped.

Signed-off-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
---
 drivers/virtio/virtio_ring.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index cfb028ca238e..2f9572c3628c 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -1780,7 +1780,8 @@ static inline int virtqueue_add(struct virtqueue *_vq,
 				unsigned int in_sgs,
 				void *data,
 				void *ctx,
-				gfp_t gfp)
+				gfp_t gfp,
+				bool premapped)
 {
 	struct vring_virtqueue *vq = to_vvq(_vq);
 
@@ -1821,7 +1822,7 @@ int virtqueue_add_sgs(struct virtqueue *_vq,
 			total_sg++;
 	}
 	return virtqueue_add(_vq, sgs, total_sg, out_sgs, in_sgs,
-			     data, NULL, gfp);
+			     data, NULL, gfp, false);
 }
 EXPORT_SYMBOL_GPL(virtqueue_add_sgs);
 
@@ -1843,7 +1844,7 @@ int virtqueue_add_outbuf(struct virtqueue *vq,
 			 void *data,
 			 gfp_t gfp)
 {
-	return virtqueue_add(vq, &sg, num, 1, 0, data, NULL, gfp);
+	return virtqueue_add(vq, &sg, num, 1, 0, data, NULL, gfp, false);
 }
 EXPORT_SYMBOL_GPL(virtqueue_add_outbuf);
 
@@ -1865,7 +1866,7 @@ int virtqueue_add_inbuf(struct virtqueue *vq,
 			void *data,
 			gfp_t gfp)
 {
-	return virtqueue_add(vq, &sg, num, 0, 1, data, NULL, gfp);
+	return virtqueue_add(vq, &sg, num, 0, 1, data, NULL, gfp, false);
 }
 EXPORT_SYMBOL_GPL(virtqueue_add_inbuf);
 
@@ -1889,7 +1890,7 @@ int virtqueue_add_inbuf_ctx(struct virtqueue *vq,
 			void *ctx,
 			gfp_t gfp)
 {
-	return virtqueue_add(vq, &sg, num, 0, 1, data, ctx, gfp);
+	return virtqueue_add(vq, &sg, num, 0, 1, data, ctx, gfp, false);
 }
 EXPORT_SYMBOL_GPL(virtqueue_add_inbuf_ctx);
 
-- 
2.31.0