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authorMichael S. Tsirkin <mst@redhat.com>2017-03-06 19:32:29 +0300
committerMichael S. Tsirkin <mst@redhat.com>2017-05-02 23:41:43 +0300
commitf94682dde5ed23eed13533a37dfce942e60ade4e (patch)
treeaaa611dd8164523a1d4029b2eece720595c87669 /drivers/remoteproc
parent9b2bbdb227588455afcc3b03475fa9b0a35d83af (diff)
downloadlinux-f94682dde5ed23eed13533a37dfce942e60ade4e.tar.xz
virtio: add context flag to find vqs
Allows maintaining extra context per vq. For ease of use, passing in NULL is legal and disables the feature for all vqs. Includes fixes by Christian for s390, acked by Cornelia. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/remoteproc')
-rw-r--r--drivers/remoteproc/remoteproc_virtio.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c
index 0142cc3f0c91..294634836b32 100644
--- a/drivers/remoteproc/remoteproc_virtio.c
+++ b/drivers/remoteproc/remoteproc_virtio.c
@@ -71,7 +71,7 @@ EXPORT_SYMBOL(rproc_vq_interrupt);
static struct virtqueue *rp_find_vq(struct virtio_device *vdev,
unsigned int id,
void (*callback)(struct virtqueue *vq),
- const char *name)
+ const char *name, bool ctx)
{
struct rproc_vdev *rvdev = vdev_to_rvdev(vdev);
struct rproc *rproc = vdev_to_rproc(vdev);
@@ -103,8 +103,8 @@ static struct virtqueue *rp_find_vq(struct virtio_device *vdev,
* Create the new vq, and tell virtio we're not interested in
* the 'weak' smp barriers, since we're talking with a real device.
*/
- vq = vring_new_virtqueue(id, len, rvring->align, vdev, false, addr,
- rproc_virtio_notify, callback, name);
+ vq = vring_new_virtqueue(id, len, rvring->align, vdev, false, ctx,
+ addr, rproc_virtio_notify, callback, name);
if (!vq) {
dev_err(dev, "vring_new_virtqueue %s failed\n", name);
rproc_free_vring(rvring);
@@ -138,12 +138,14 @@ static int rproc_virtio_find_vqs(struct virtio_device *vdev, unsigned int nvqs,
struct virtqueue *vqs[],
vq_callback_t *callbacks[],
const char * const names[],
+ const bool * ctx,
struct irq_affinity *desc)
{
int i, ret;
for (i = 0; i < nvqs; ++i) {
- vqs[i] = rp_find_vq(vdev, i, callbacks[i], names[i]);
+ vqs[i] = rp_find_vq(vdev, i, callbacks[i], names[i],
+ ctx ? ctx[i] : false);
if (IS_ERR(vqs[i])) {
ret = PTR_ERR(vqs[i]);
goto error;