On Tue, Dec 03, 2024 at 07:38:52AM +0100, Niklas Cassel wrote: > Hello all, > > The pci-epf-test driver recently moved to the pci_epc_mem_map() API. > This API call handle unaligned addresses seamlessly, if the EPC driver > being used has implemented the .align_addr callback. > > This means that pci-epf-test no longer need any special padding to the > buffers that is allocated on the host side. (This was only done in order > to satisfy the EPC's alignment requirements.) > > In fact, to test that the pci_epc_mem_map() API is working as intended, > it is important that the host side does not only provide buffers that > are nicely aligned. > > However, since not all EPC drivers have implemented the .align_addr > callback, add support for capabilities in pci-epf-test, and if the > EPC driver implements the .align_addr callback, set a new > CAP_UNALIGNED_ACCESS capability. If CAP_UNALIGNED_ACCESS is set, do not > allocate overly sized buffers on the host side. > > For EPC drivers that have not implemented the .align_addr callback, this > series will not introduce any functional changes. > > > Kind regards, > Niklas > > > Changes since v2: > -Picked up tags > -Changed debug print to dump the CAPS register instead of having a print > per capability. > > > Niklas Cassel (2): > PCI: endpoint: pci-epf-test: Add support for capabilities > misc: pci_endpoint_test: Add support for capabilities > > drivers/misc/pci_endpoint_test.c | 19 +++++++++++++++++++ > drivers/pci/endpoint/functions/pci-epf-test.c | 19 +++++++++++++++++++ > 2 files changed, 38 insertions(+) > > -- > 2.47.1 > Since this series has two R-b tags on both patches in the series, any chance of getting this series picked up? Kind regards, Niklas
