On Fri, Aug 12, 2022 at 07:14:39AM -0400, Michael S. Tsirkin wrote: > On Fri, Aug 12, 2022 at 06:44:54PM +0800, Zhu Lingshan wrote: > > This series allows userspace to query device config space of vDPA > > devices and the management devices through netlink, > > to get multi-queue, feature bits and etc. > > > > This series has introduced a new netlink attr > > VDPA_ATTR_VDPA_DEV_SUPPORTED_FEATURES, this should be used to query > > features of vDPA devices than the management device. > > > > Please help review. > > I can't merge this for this merge window. > Am I right when I say that the new thing here is patch 5/6 + new > comments? > If yes I can queue it out of the window, on top. So at this point, can you please send patches on top of the vhost tree? I think these are just patches 3 and 5 but please confirm. > > Thanks! > > Zhu Lingshan > > > > Changes rom V4: > > (1) Read MAC, MTU, MQ conditionally (Michael) > > (2) If VIRTIO_NET_F_MAC not set, don't report MAC to userspace > > (3) If VIRTIO_NET_F_MTU not set, report 1500 to userspace > > (4) Add comments to the new attr > > VDPA_ATTR_VDPA_DEV_SUPPORTED_FEATURES(Michael) > > (5) Add comments for reporting the device status as LE(Michael) > > > > Changes from V3: > > (1)drop the fixes tags(Parva) > > (2)better commit log for patch 1/6(Michael) > > (3)assign num_queues to max_supported_vqs than max_vq_pairs(Jason) > > (4)initialize virtio pci capabilities in the probe() function. > > > > Changes from V2: > > Add fixes tags(Parva) > > > > Changes from V1: > > (1) Use __virito16_to_cpu(true, xxx) for the le16 casting(Jason) > > (2) Add a comment in ifcvf_get_config_size(), to explain > > why we should return the minimum value of > > sizeof(struct virtio_net_config) and the onboard > > cap size(Jason) > > (3) Introduced a new attr VDPA_ATTR_VDPA_DEV_SUPPORTED_FEATURES > > (4) Show the changes of iproute2 output before and after 5/6 patch(Jason) > > (5) Fix cast warning in vdpa_fill_stats_rec() > > > > Zhu Lingshan (6): > > vDPA/ifcvf: get_config_size should return a value no greater than dev > > implementation > > vDPA/ifcvf: support userspace to query features and MQ of a management > > device > > vDPA: allow userspace to query features of a vDPA device > > vDPA: !FEATURES_OK should not block querying device config space > > vDPA: Conditionally read fields in virtio-net dev config space > > fix 'cast to restricted le16' warnings in vdpa.c > > > > drivers/vdpa/ifcvf/ifcvf_base.c | 13 ++- > > drivers/vdpa/ifcvf/ifcvf_base.h | 2 + > > drivers/vdpa/ifcvf/ifcvf_main.c | 142 +++++++++++++++++--------------- > > drivers/vdpa/vdpa.c | 82 ++++++++++++------ > > include/uapi/linux/vdpa.h | 3 + > > 5 files changed, 149 insertions(+), 93 deletions(-) > > > > -- > > 2.31.1
