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-rw-r--r--drivers/block/virtio_blk.c2
-rw-r--r--drivers/char/hw_random/virtio-rng.c2
-rw-r--r--drivers/char/virtio_console.c6
-rw-r--r--drivers/net/virtio_net.c12
-rw-r--r--drivers/virtio/virtio_balloon.c7
-rw-r--r--drivers/virtio/virtio_ring.c22
-rw-r--r--include/linux/virtio.h21
-rw-r--r--net/9p/trans_virtio.c6
-rw-r--r--tools/virtio/linux/virtio.h21
-rw-r--r--tools/virtio/virtio_test.c3
10 files changed, 44 insertions, 58 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 4d0b70adf5f..a345e40e1bc 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -172,7 +172,7 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk,
}
}
- if (virtqueue_add_buf(vblk->vq, vblk->sg, out, in, vbr) < 0) {
+ if (virtqueue_add_buf(vblk->vq, vblk->sg, out, in, vbr, GFP_ATOMIC)<0) {
mempool_free(vbr, vblk->pool);
return false;
}
diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index fd699ccecf5..723725bbb96 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -47,7 +47,7 @@ static void register_buffer(u8 *buf, size_t size)
sg_init_one(&sg, buf, size);
/* There should always be room for one buffer. */
- if (virtqueue_add_buf(vq, &sg, 0, 1, buf) < 0)
+ if (virtqueue_add_buf(vq, &sg, 0, 1, buf, GFP_KERNEL) < 0)
BUG();
virtqueue_kick(vq);
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 8e3c46d67cb..d1ae1492ee7 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -392,7 +392,7 @@ static int add_inbuf(struct virtqueue *vq, struct port_buffer *buf)
sg_init_one(sg, buf->buf, buf->size);
- ret = virtqueue_add_buf(vq, sg, 0, 1, buf);
+ ret = virtqueue_add_buf(vq, sg, 0, 1, buf, GFP_ATOMIC);
virtqueue_kick(vq);
return ret;
}
@@ -457,7 +457,7 @@ static ssize_t __send_control_msg(struct ports_device *portdev, u32 port_id,
vq = portdev->c_ovq;
sg_init_one(sg, &cpkt, sizeof(cpkt));
- if (virtqueue_add_buf(vq, sg, 1, 0, &cpkt) >= 0) {
+ if (virtqueue_add_buf(vq, sg, 1, 0, &cpkt, GFP_ATOMIC) >= 0) {
virtqueue_kick(vq);
while (!virtqueue_get_buf(vq, &len))
cpu_relax();
@@ -506,7 +506,7 @@ static ssize_t send_buf(struct port *port, void *in_buf, size_t in_count,
reclaim_consumed_buffers(port);
sg_init_one(sg, in_buf, in_count);
- ret = virtqueue_add_buf(out_vq, sg, 1, 0, in_buf);
+ ret = virtqueue_add_buf(out_vq, sg, 1, 0, in_buf, GFP_ATOMIC);
/* Tell Host to go! */
virtqueue_kick(out_vq);
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 76fe14efb2b..6345a52194f 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -370,7 +370,7 @@ static int add_recvbuf_small(struct virtnet_info *vi, gfp_t gfp)
skb_to_sgvec(skb, vi->rx_sg + 1, 0, skb->len);
- err = virtqueue_add_buf_gfp(vi->rvq, vi->rx_sg, 0, 2, skb, gfp);
+ err = virtqueue_add_buf(vi->rvq, vi->rx_sg, 0, 2, skb, gfp);
if (err < 0)
dev_kfree_skb(skb);
@@ -415,8 +415,8 @@ static int add_recvbuf_big(struct virtnet_info *vi, gfp_t gfp)
/* chain first in list head */
first->private = (unsigned long)list;
- err = virtqueue_add_buf_gfp(vi->rvq, vi->rx_sg, 0, MAX_SKB_FRAGS + 2,
- first, gfp);
+ err = virtqueue_add_buf(vi->rvq, vi->rx_sg, 0, MAX_SKB_FRAGS + 2,
+ first, gfp);
if (err < 0)
give_pages(vi, first);
@@ -434,7 +434,7 @@ static int add_recvbuf_mergeable(struct virtnet_info *vi, gfp_t gfp)
sg_init_one(vi->rx_sg, page_address(page), PAGE_SIZE);
- err = virtqueue_add_buf_gfp(vi->rvq, vi->rx_sg, 0, 1, page, gfp);
+ err = virtqueue_add_buf(vi->rvq, vi->rx_sg, 0, 1, page, gfp);
if (err < 0)
give_pages(vi, page);
@@ -609,7 +609,7 @@ static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb)
hdr->num_sg = skb_to_sgvec(skb, vi->tx_sg + 1, 0, skb->len) + 1;
return virtqueue_add_buf(vi->svq, vi->tx_sg, hdr->num_sg,
- 0, skb);
+ 0, skb, GFP_ATOMIC);
}
static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -767,7 +767,7 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd,
sg_set_buf(&sg[i + 1], sg_virt(s), s->length);
sg_set_buf(&sg[out + in - 1], &status, sizeof(status));
- BUG_ON(virtqueue_add_buf(vi->cvq, sg, out, in, vi) < 0);
+ BUG_ON(virtqueue_add_buf(vi->cvq, sg, out, in, vi, GFP_ATOMIC) < 0);
virtqueue_kick(vi->cvq);
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index f64ff185b8b..0a6425aadf9 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -88,7 +88,7 @@ static void tell_host(struct virtio_balloon *vb, struct virtqueue *vq)
init_completion(&vb->acked);
/* We should always be able to add one buffer to an empty queue. */
- if (virtqueue_add_buf(vq, &sg, 1, 0, vb) < 0)
+ if (virtqueue_add_buf(vq, &sg, 1, 0, vb, GFP_KERNEL) < 0)
BUG();
virtqueue_kick(vq);
@@ -220,7 +220,7 @@ static void stats_handle_request(struct virtio_balloon *vb)
vq = vb->stats_vq;
sg_init_one(&sg, vb->stats, sizeof(vb->stats));
- if (virtqueue_add_buf(vq, &sg, 1, 0, vb) < 0)
+ if (virtqueue_add_buf(vq, &sg, 1, 0, vb, GFP_KERNEL) < 0)
BUG();
virtqueue_kick(vq);
}
@@ -313,7 +313,8 @@ static int virtballoon_probe(struct virtio_device *vdev)
* use it to signal us later.
*/
sg_init_one(&sg, vb->stats, sizeof vb->stats);
- if (virtqueue_add_buf(vb->stats_vq, &sg, 1, 0, vb) < 0)
+ if (virtqueue_add_buf(vb->stats_vq, &sg, 1, 0, vb, GFP_KERNEL)
+ < 0)
BUG();
virtqueue_kick(vb->stats_vq);
}
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index fe50486341a..6ea92a6d113 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -167,7 +167,7 @@ static int vring_add_indirect(struct vring_virtqueue *vq,
}
/**
- * virtqueue_add_buf_gfp - expose buffer to other end
+ * virtqueue_add_buf - expose buffer to other end
* @vq: the struct virtqueue we're talking about.
* @sg: the description of the buffer(s).
* @out_num: the number of sg readable by other side
@@ -183,12 +183,12 @@ static int vring_add_indirect(struct vring_virtqueue *vq,
* positive return values as "available": indirect buffers mean that
* we can put an entire sg[] array inside a single queue entry.
*/
-int virtqueue_add_buf_gfp(struct virtqueue *_vq,
- struct scatterlist sg[],
- unsigned int out,
- unsigned int in,
- void *data,
- gfp_t gfp)
+int virtqueue_add_buf(struct virtqueue *_vq,
+ struct scatterlist sg[],
+ unsigned int out,
+ unsigned int in,
+ void *data,
+ gfp_t gfp)
{
struct vring_virtqueue *vq = to_vvq(_vq);
unsigned int i, avail, uninitialized_var(prev);
@@ -259,13 +259,13 @@ add_head:
return vq->num_free;
}
-EXPORT_SYMBOL_GPL(virtqueue_add_buf_gfp);
+EXPORT_SYMBOL_GPL(virtqueue_add_buf);
/**
* virtqueue_kick - update after add_buf
* @vq: the struct virtqueue
*
- * After one or more virtqueue_add_buf_gfp calls, invoke this to kick
+ * After one or more virtqueue_add_buf calls, invoke this to kick
* the other side.
*
* Caller must ensure we don't call this with other virtqueue
@@ -341,7 +341,7 @@ static inline bool more_used(const struct vring_virtqueue *vq)
* operations at the same time (except where noted).
*
* Returns NULL if there are no used buffers, or the "data" token
- * handed to virtqueue_add_buf_gfp().
+ * handed to virtqueue_add_buf().
*/
void *virtqueue_get_buf(struct virtqueue *_vq, unsigned int *len)
{
@@ -490,7 +490,7 @@ EXPORT_SYMBOL_GPL(virtqueue_enable_cb_delayed);
* virtqueue_detach_unused_buf - detach first unused buffer
* @vq: the struct virtqueue we're talking about.
*
- * Returns NULL or the "data" token handed to virtqueue_add_buf_gfp().
+ * Returns NULL or the "data" token handed to virtqueue_add_buf().
* This is not valid on an active queue; it is useful only for device
* shutdown.
*/
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 73ad7243128..ec1706e7df5 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -25,21 +25,12 @@ struct virtqueue {
void *priv;
};
-int virtqueue_add_buf_gfp(struct virtqueue *vq,
- struct scatterlist sg[],
- unsigned int out_num,
- unsigned int in_num,
- void *data,
- gfp_t gfp);
-
-static inline int virtqueue_add_buf(struct virtqueue *vq,
- struct scatterlist sg[],
- unsigned int out_num,
- unsigned int in_num,
- void *data)
-{
- return virtqueue_add_buf_gfp(vq, sg, out_num, in_num, data, GFP_ATOMIC);
-}
+int virtqueue_add_buf(struct virtqueue *vq,
+ struct scatterlist sg[],
+ unsigned int out_num,
+ unsigned int in_num,
+ void *data,
+ gfp_t gfp);
void virtqueue_kick(struct virtqueue *vq);
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 330421e5471..3d432068f62 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -272,7 +272,8 @@ req_retry:
in = pack_sg_list(chan->sg, out,
VIRTQUEUE_NUM, req->rc->sdata, req->rc->capacity);
- err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc);
+ err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc,
+ GFP_ATOMIC);
if (err < 0) {
if (err == -ENOSPC) {
chan->ring_bufs_avail = 0;
@@ -414,7 +415,8 @@ req_retry_pinned:
in += pack_sg_list_p(chan->sg, out + in, VIRTQUEUE_NUM,
in_pages, in_nr_pages, uidata, inlen);
- err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc);
+ err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc,
+ GFP_ATOMIC);
if (err < 0) {
if (err == -ENOSPC) {
chan->ring_bufs_avail = 0;
diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h
index 953db2abf6b..b4fbc91c41b 100644
--- a/tools/virtio/linux/virtio.h
+++ b/tools/virtio/linux/virtio.h
@@ -186,21 +186,12 @@ struct virtqueue {
#endif
/* Interfaces exported by virtio_ring. */
-int virtqueue_add_buf_gfp(struct virtqueue *vq,
- struct scatterlist sg[],
- unsigned int out_num,
- unsigned int in_num,
- void *data,
- gfp_t gfp);
-
-static inline int virtqueue_add_buf(struct virtqueue *vq,
- struct scatterlist sg[],
- unsigned int out_num,
- unsigned int in_num,
- void *data)
-{
- return virtqueue_add_buf_gfp(vq, sg, out_num, in_num, data, GFP_ATOMIC);
-}
+int virtqueue_add_buf(struct virtqueue *vq,
+ struct scatterlist sg[],
+ unsigned int out_num,
+ unsigned int in_num,
+ void *data,
+ gfp_t gfp);
void virtqueue_kick(struct virtqueue *vq);
diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c
index 0740284396c..6bf95f99536 100644
--- a/tools/virtio/virtio_test.c
+++ b/tools/virtio/virtio_test.c
@@ -161,7 +161,8 @@ static void run_test(struct vdev_info *dev, struct vq_info *vq, int bufs)
if (started < bufs) {
sg_init_one(&sl, dev->buf, dev->buf_size);
r = virtqueue_add_buf(vq->vq, &sl, 1, 0,
- dev->buf + started);
+ dev->buf + started,
+ GFP_ATOMIC);
if (likely(r >= 0)) {
++started;
virtqueue_kick(vq->vq);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-15 15:57:09 +0000