Hi, 在 2021/2/12 18:50, Joerg Roedel 写道:
On Tue, Feb 09, 2021 at 06:06:20PM +0530, Sai Prakash Ranjan wrote:diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 5e7fe519430a..6064187d9bb6 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -87,6 +87,7 @@ struct iommu_domain { void *handler_token; struct iommu_domain_geometry geometry; void *iova_cookie; + char dev_name[32]; };No, definitly not. A domain is a device DMA address space which can be used by more than one device. Just look at IOMMU groups with more than one member device, in this case just one device name would be very misleading.
Is it possible to use group id to identify different domains?
Regards, Joerg _______________________________________________ iommu mailing list iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/iommu .
