Commit 99dc5a07 authored by Chengchang Tang's avatar Chengchang Tang Committed by Jason Gunthorpe
Browse files

RDMA/hns: Fix page size cap from firmware 

Add verification to make sure the roce page size cap is supported by the
system page size.

Fixes: ba6bb7e9 ("RDMA/hns: Add interfaces to get pf capabilities from firmware")
Link: https://lore.kernel.org/r/20221126102911.2921820-5-xuhaoyue1@hisilicon.com


Signed-off-by: default avatarChengchang Tang <tangchengchang@huawei.com>
Signed-off-by: default avatarHaoyue Xu <xuhaoyue1@hisilicon.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 9fb39ef2

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -2345,6 +2345,9 @@ static int hns_roce_query_pf_caps(struct hns_roce_dev *hr_dev) 
	caps->wqe_sge_hop_num = hr_reg_read(resp_d, PF_CAPS_D_EX_SGE_HOP_NUM);

	caps->wqe_sge_hop_num = hr_reg_read(resp_d, PF_CAPS_D_EX_SGE_HOP_NUM);

	caps->wqe_rq_hop_num = hr_reg_read(resp_d, PF_CAPS_D_RQWQE_HOP_NUM);

	caps->wqe_rq_hop_num = hr_reg_read(resp_d, PF_CAPS_D_RQWQE_HOP_NUM);





	if (!(caps->page_size_cap & PAGE_SIZE))

		caps->page_size_cap = HNS_ROCE_V2_PAGE_SIZE_SUPPORTED;



	return 0;

	return 0;

}

}