Re: [PATCH RFC v1 01/11] uapi/virtio-iommu: Add page request grp-id and flags information

2021-09-30 Thread Jean-Philippe Brucker
On Thu, Sep 30, 2021 at 10:26:35AM +0530, Vivek Kumar Gautam wrote: > > I'm not sure why we made it 32-bit in Linux UAPI, it's a little wasteful. > > PCIe PRGI is 9-bits and SMMU STAG is 16-bits. Since the scope of the grpid > > is the endpoint, 16-bit means 64k in-flight faults per endpoint,

Re: [PATCH RFC v1 01/11] uapi/virtio-iommu: Add page request grp-id and flags information

2021-09-21 Thread Jean-Philippe Brucker
Hi Vivek, Thanks a lot for your work on this On Fri, Apr 23, 2021 at 03:21:37PM +0530, Vivek Gautam wrote: > Add fault information for group-id and necessary flags for page > request faults that can be handled by page fault handler in > virtio-iommu driver. > > Signed-off-by: Vivek Gautam >