vdpa_sim: make vdpasim->buffer size configurable (da7af696) · Commits · 戴 / test

Allow each device to specify the size of the buffer allocated in vdpa_sim. Acked-by:

drivers/vdpa/vdpa_sim/vdpa_sim.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -73,6 +73,7 @@ struct vdpasim;
		struct vdpasim_dev_attr {
		u64 supported_features;
		size_t config_size;
		size_t buffer_size;
		int nvqs;
		u32 id;

		@@ -418,7 +419,7 @@ static struct vdpasim vdpasim_create(struct vdpasim_dev_attr dev_attr)
		if (!vdpasim->iommu)
		goto err_iommu;

		vdpasim->buffer = kvmalloc(PAGE_SIZE, GFP_KERNEL);
		vdpasim->buffer = kvmalloc(dev_attr->buffer_size, GFP_KERNEL);
		if (!vdpasim->buffer)
		goto err_iommu;

		@@ -787,6 +788,7 @@ static int __init vdpasim_dev_init(void)
		dev_attr.config_size = sizeof(struct virtio_net_config);
		dev_attr.get_config = vdpasim_net_get_config;
		dev_attr.work_fn = vdpasim_net_work;
		dev_attr.buffer_size = PAGE_SIZE;

		vdpasim_dev = vdpasim_create(&dev_attr);