RDMA/hns: Use new SQ doorbell register for HIP09

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HIP09 uses new address space to map SQ doorbell registers, the doorbell of
each QP is isolated based on the size of 64KB, which can improve the
performance in concurrency scenarios.

Link: https://lore.kernel.org/r/1614082833-23130-1-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

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Lang Cheng 2021-02-23 20:20:33 +08:00 • committed by Jason Gunthorpe

parent a38fd87484

commit 0f00571f94

2 changed files with 28 additions and 24 deletions

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3

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

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51

drivers/infiniband/hw/hns/hns_roce_qp.c

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