RDMA/hns: Create QP with selected QPN for bank load balance
mainline inclusion from mainline-v5.11-rc1 commit 71586dd2 category: feature bugzilla: 174002 CVE:NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71586dd2001087e89e344e2c7dcee6b4a53bb6de ---------------------------------------------------------------------- In order to improve performance by balancing the load between different banks of cache, the QPC cache is desigend to choose one of 8 banks according to lower 3 bits of QPN. The hns driver needs to count the number of QP on each bank and then assigns the QP being created to the bank with the minimum load first. Link: https://lore.kernel.org/r/1606220649-1465-1-git-send-email-liweihang@huawei.comSigned-off-by: NYangyang Li <liyangyang20@huawei.com> Signed-off-by: NWeihang Li <liweihang@huawei.com> Signed-off-by: NJason Gunthorpe <jgg@nvidia.com> Signed-off-by: Nwangsirong <wangsirong@huawei.com> Reviewed-by: NChunZhi Hu <huchunzhi@huawei.com> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
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