From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B845B1C07 for ; Wed, 28 Dec 2022 16:18:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 32C74C433EF; Wed, 28 Dec 2022 16:18:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672244285; bh=Jgg7TCoqsarInQDAUHkSEWzVo7lha8VB+5fIZuTHviY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qpurM9wUd1Yw00C9DYK4G+oCsg73EVHNmozsP/3ljIfSExOOzKf7aKGuZ2s4bS+n1 MRc72tvF1DvcVLvEWNkMkbULVNS5aerWxi1yGDTZHacWk9P1XWEIgtCVfGhgoCF6v4 cZ0VWPt+O8ayO6Vrt1QZbr2qmOMfipaS8aB6vrqA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Chengchang Tang , Haoyue Xu , Jason Gunthorpe , Sasha Levin Subject: [PATCH 6.0 0650/1073] RDMA/hns: Fix page size cap from firmware Date: Wed, 28 Dec 2022 15:37:18 +0100 Message-Id: <20221228144345.699956476@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144328.162723588@linuxfoundation.org> References: <20221228144328.162723588@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Chengchang Tang [ Upstream commit 99dc5a0712883d5d13b620d25b3759d429577bc8 ] Add verification to make sure the roce page size cap is supported by the system page size. Fixes: ba6bb7e97421 ("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: Chengchang Tang Signed-off-by: Haoyue Xu Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 5bd21e589565..49c33baed69c 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -2344,6 +2344,9 @@ 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_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; } -- 2.35.1