RDMA/hns: Add support for QP 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. QPs need to enable stash by default.

Link: https://lore.kernel.org/r/1606374251-21512-3-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 15:04:11 +08:00 • committed by Jason Gunthorpe

parent bfefae9f10

commit f93c39bc95

2 changed files with 75 additions and 61 deletions

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6

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

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130

drivers/infiniband/hw/hns/hns_roce_hw_v2.h

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