On 2026-07-02 11:28 PM, Narayana Murty N wrote: > Accept sPAPR errno for DMA range overflow > > The DMA map limit test expects an overflowing IOVA range to fail with > -EOVERFLOW. That matches the Type1 and iommufd paths. > > On sPAPR TCE v2, the same invalid range is rejected as outside the active > TCE window and currently returns -ENXIO. Treat that as the expected ppc > result for this RFC while keeping the existing -EOVERFLOW expectation for > other backends. > > This keeps the overflow test enabled for sPAPR TCE v2 instead of skipping > it. > > Signed-off-by: Narayana Murty N <[email protected]> > --- > tools/testing/selftests/vfio/vfio_dma_mapping_test.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/tools/testing/selftests/vfio/vfio_dma_mapping_test.c > b/tools/testing/selftests/vfio/vfio_dma_mapping_test.c > index 4411fdbd56da..cd2d3276a46c 100644 > --- a/tools/testing/selftests/vfio/vfio_dma_mapping_test.c > +++ b/tools/testing/selftests/vfio/vfio_dma_mapping_test.c > @@ -316,10 +316,18 @@ TEST_F(vfio_dma_map_limit_test, overflow) > region->size = self->mmap_size; > > rc = __iommu_map(self->iommu, region); > +#ifdef __powerpc__ > + ASSERT_EQ(rc, -ENXIO); > +#else > ASSERT_EQ(rc, -EOVERFLOW); > +#endif
This should be based on the IOMMU mode, not __powerpc__, as that is what actually determines what gets returned.
