> From: Jason Gunthorpe <jgg@xxxxxxxxxx> > Sent: Wednesday, March 29, 2023 11:50 PM > > On Wed, Mar 29, 2023 at 09:41:26AM +0000, Tian, Kevin wrote: > > > We could extend bind_iommufd to return the group id or introduce a > > new ioctl to query it per dev_id. > > > Once that is in place looks we don't need a new _INFO ioctl? > > The iommu_group and the reset group are different things > > The issue is processing the BDF strings, not the group ID. > > Probably we should have some way for iommufd to report the group_id > from the dev_id? > Yes, that is my thought. Though iommu_group and reset group are different things we could still leverage existing _INFO ioctl once there is a way to associated dev_id to group_id.
