RDMA/hns: Add support for CQ stash

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Stash is a mechanism that uses the core information carried by the ARM AXI
bus to access the L3 cache. It can be used to improve the performance by
increasing the hit ratio of L3 cache. CQs need to enable stash by default.

Link: https://lore.kernel.org/r/1606374251-21512-2-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 2020-11-26 15:04:10 +08:00 • committed by Jason Gunthorpe

parent 71586dd200

commit bfefae9f10

4 changed files with 37 additions and 16 deletions

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12

drivers/infiniband/hw/hns/hns_roce_common.h

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1

drivers/infiniband/hw/hns/hns_roce_device.h

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3

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

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37

drivers/infiniband/hw/hns/hns_roce_hw_v2.h

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