> Am 03.08.2020 um 22:59 schrieb Michael S. Tsirkin <mst@xxxxxxxxxx>:
>
> Since this is a modern-only device,
> tag config space fields as having little endian-ness.
>
> TODO: check other uses of __virtioXX types in this header,
> should probably be __leXX.
Doesn‘t matter in practice IIRC, like this change. But we could do it (the spec documents everything as __le) in case it makes things clearer.
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
>
> Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> ---
> include/uapi/linux/virtio_mem.h | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/include/uapi/linux/virtio_mem.h b/include/uapi/linux/virtio_mem.h
> index a9ffe041843c..70e01c687d5e 100644
> --- a/include/uapi/linux/virtio_mem.h
> +++ b/include/uapi/linux/virtio_mem.h
> @@ -185,27 +185,27 @@ struct virtio_mem_resp {
>
> struct virtio_mem_config {
> /* Block size and alignment. Cannot change. */
> - __u64 block_size;
> + __le64 block_size;
> /* Valid with VIRTIO_MEM_F_ACPI_PXM. Cannot change. */
> - __u16 node_id;
> + __le16 node_id;
> __u8 padding[6];
> /* Start address of the memory region. Cannot change. */
> - __u64 addr;
> + __le64 addr;
> /* Region size (maximum). Cannot change. */
> - __u64 region_size;
> + __le64 region_size;
> /*
> * Currently usable region size. Can grow up to region_size. Can
> * shrink due to VIRTIO_MEM_REQ_UNPLUG_ALL (in which case no config
> * update will be sent).
> */
> - __u64 usable_region_size;
> + __le64 usable_region_size;
> /*
> * Currently used size. Changes due to plug/unplug requests, but no
> * config updates will be sent.
> */
> - __u64 plugged_size;
> + __le64 plugged_size;
> /* Requested size. New plug requests cannot exceed it. Can change. */
> - __u64 requested_size;
> + __le64 requested_size;
> };
>
> #endif /* _LINUX_VIRTIO_MEM_H */
> --
> MST
>
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