Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
vdpa_sim: make vdpasim->buffer size configurable
Allow each device to specify the size of the buffer allocated
in vdpa_sim.
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20201215144256.155342-17-sgarzare@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
authored by
Stefano Garzarella
and committed by
Michael S. Tsirkin
da7af696
165be1f8
+3
-1
+3
-1
drivers/vdpa/vdpa_sim/vdpa_sim.c
+3
-1
drivers/vdpa/vdpa_sim/vdpa_sim.c
···
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struct vdpasim_dev_attr {
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u64 supported_features;
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size_t config_size;
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+
size_t buffer_size;
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int nvqs;
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u32 id;
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···
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if (!vdpasim->iommu)
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goto err_iommu;
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422
-
vdpasim->buffer = kvmalloc(PAGE_SIZE, GFP_KERNEL);
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+
vdpasim->buffer = kvmalloc(dev_attr->buffer_size, GFP_KERNEL);
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if (!vdpasim->buffer)
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goto err_iommu;
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···
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dev_attr.config_size = sizeof(struct virtio_net_config);
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dev_attr.get_config = vdpasim_net_get_config;
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dev_attr.work_fn = vdpasim_net_work;
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+
dev_attr.buffer_size = PAGE_SIZE;
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vdpasim_dev = vdpasim_create(&dev_attr);
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793