On 2023/9/26 17:30, Leon Romanovsky wrote: > 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 Yes. I'll resubmit soon.