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. > 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
