Thread (56 messages) 56 messages, 3 authors, 2023-09-25
STALE992d REVIEWED: 6 (6M)
Revisions (5)
  1. v10 [diff vs current]
  2. v11 [diff vs current]
  3. v12 [diff vs current]
  4. v13 [diff vs current]
  5. v14 current

[PATCH v14 36/42] virtio: add helper virtio_find_vqs_ctx_size()

From: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Date: 2022-08-01 06:42:51
Also in: bpf, kvm, linux-remoteproc, linux-s390, linux-um, netdev, platform-driver-x86
Subsystem: the rest, virtio core · Maintainers: Linus Torvalds, "Michael S. Tsirkin", Jason Wang

Introduce helper virtio_find_vqs_ctx_size() to call find_vqs and specify
the maximum size of each vq ring.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
---
 include/linux/virtio_config.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 888f7e96f0c7..6adff09f7170 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -241,6 +241,18 @@ int virtio_find_vqs_ctx(struct virtio_device *vdev, unsigned nvqs,
 				      ctx, desc);
 }
 
+static inline
+int virtio_find_vqs_ctx_size(struct virtio_device *vdev, u32 nvqs,
+			     struct virtqueue *vqs[],
+			     vq_callback_t *callbacks[],
+			     const char * const names[],
+			     u32 sizes[],
+			     const bool *ctx, struct irq_affinity *desc)
+{
+	return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, sizes,
+				      ctx, desc);
+}
+
 /**
  * virtio_synchronize_cbs - synchronize with virtqueue callbacks
  * @vdev: the device
-- 
2.31.0

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