On Wed, Sep 20, 2023 at 11:30:05AM +0800, Junxian Huang wrote: > From: Yangyang Li <liyangyang20@xxxxxxxxxx> > > Compared with normal doorbell, using record doorbell can shorten the > process of ringing the doorbell and reduce the latency. > > Add a flag HNS_ROCE_CAP_FLAG_SRQ_RECORD_DB to allow FW to > enable/disable SRQ record doorbell. > > If the flag above is set, allocate the dma buffer for SRQ record > doorbell and write the buffer address into SRQC during SRQ creation. > > For userspace SRQ, add a flag HNS_ROCE_RSP_SRQ_CAP_RECORD_DB to notify > userspace whether the SRQ record doorbell is enabled. > > Signed-off-by: Yangyang Li <liyangyang20@xxxxxxxxxx> > Signed-off-by: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx> > --- > drivers/infiniband/hw/hns/hns_roce_device.h | 3 + > drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 30 ++++++-- > drivers/infiniband/hw/hns/hns_roce_srq.c | 85 ++++++++++++++++++++- > include/uapi/rdma/hns-abi.h | 13 +++- > 4 files changed, 120 insertions(+), 11 deletions(-) Junxian, do you plan to resubmit it this patch to fix kbuild error? Thanks