On 2020/8/5 下午8:51, Michael S. Tsirkin wrote:
On Wed, Jun 17, 2020 at 11:29:44AM +0800, Jason Wang wrote:This patch introduce a config op to get valid iova range from the vDPA device. Signed-off-by: Jason Wang<jasowang@xxxxxxxxxx> --- include/linux/vdpa.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 239db794357c..b7633ed2500c 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -41,6 +41,16 @@ struct vdpa_device { unsigned int index; };+/**+ * vDPA IOVA range - the IOVA range support by the device + * @start: start of the IOVA range + * @end: end of the IOVA range + */ +struct vdpa_iova_range { + u64 start; + u64 end; +}; +This is ambiguous. Is end in the range or just behind it?
In the range.
How about first/last?
Sure. Thanks
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