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SubjectRe: [PATCH v4 2/5] iommufd/selftest: Add IOMMU_TEST_OP_ACCESS_SET_IOAS coverage
On Fri, Mar 10, 2023 at 04:15:33PM -0400, Jason Gunthorpe wrote:
> On Wed, Mar 08, 2023 at 06:25:59AM -0800, Nicolin Chen wrote:
> > Add a new IOMMU_TEST_OP_ACCESS_SET_IOAS to allow setting access->ioas
> > individually, corresponding to the iommufd_access_set_ioas() helper.
> >
> > Reviewed-by: Kevin Tian <kevin.tian@intel.com>
> > Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
> > ---
> > drivers/iommu/iommufd/iommufd_test.h | 4 +++
> > drivers/iommu/iommufd/selftest.c | 26 +++++++++++++++----
> > tools/testing/selftests/iommu/iommufd_utils.h | 22 ++++++++++++++--
> > 3 files changed, 45 insertions(+), 7 deletions(-)
>
> I'd prefer we keep it so that the IOAS can be setup with an argument,
> this will greatly help syzkaller
>
> Lets have it so a 0 ioas will avoid the setup so the second call can
> happen

I assume that you mean the iommufd_access_set_ioas() call and
the "unsigned int ioas_id" input of iommufd_test_create_access?

Thanks
Nic

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