From patchwork Wed Mar 31 09:30:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "yekai \(A\)" X-Patchwork-Id: 412978 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 639B2C433E6 for ; Wed, 31 Mar 2021 09:33:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4F13E619E1 for ; Wed, 31 Mar 2021 09:33:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234544AbhCaJd0 (ORCPT ); Wed, 31 Mar 2021 05:33:26 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:15057 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234375AbhCaJdL (ORCPT ); Wed, 31 Mar 2021 05:33:11 -0400 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4F9Ldf5dqxzNrK7; Wed, 31 Mar 2021 17:30:30 +0800 (CST) Received: from huawei.com (10.67.165.24) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.498.0; Wed, 31 Mar 2021 17:33:02 +0800 From: Kai Ye To: CC: , , , Subject: [PATCH v2 3/5] crypto: hisilicon/sgl - add some dfx logs Date: Wed, 31 Mar 2021 17:30:30 +0800 Message-ID: <1617183032-30983-4-git-send-email-yekai13@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1617183032-30983-1-git-send-email-yekai13@huawei.com> References: <1617183032-30983-1-git-send-email-yekai13@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Add some dfx logs in some abnormal exit situations. Signed-off-by: Kai Ye --- drivers/crypto/hisilicon/sgl.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/crypto/hisilicon/sgl.c b/drivers/crypto/hisilicon/sgl.c index b8a811f..d04e551 100644 --- a/drivers/crypto/hisilicon/sgl.c +++ b/drivers/crypto/hisilicon/sgl.c @@ -90,8 +90,10 @@ struct hisi_acc_sgl_pool *hisi_acc_create_sgl_pool(struct device *dev, block[i].sgl = dma_alloc_coherent(dev, block_size, &block[i].sgl_dma, GFP_KERNEL); - if (!block[i].sgl) + if (!block[i].sgl) { + dev_err(dev, "Fail to allocate hw SG buffer!\n"); goto err_free_mem; + } block[i].size = block_size; } @@ -100,8 +102,10 @@ struct hisi_acc_sgl_pool *hisi_acc_create_sgl_pool(struct device *dev, block[i].sgl = dma_alloc_coherent(dev, remain_sgl * sgl_size, &block[i].sgl_dma, GFP_KERNEL); - if (!block[i].sgl) + if (!block[i].sgl) { + dev_err(dev, "Fail to allocate remained hw SG buffer!\n"); goto err_free_mem; + } block[i].size = remain_sgl * sgl_size; } @@ -216,16 +220,19 @@ hisi_acc_sg_buf_map_to_hw_sgl(struct device *dev, sg_n = sg_nents(sgl); sg_n_mapped = dma_map_sg(dev, sgl, sg_n, DMA_BIDIRECTIONAL); - if (!sg_n_mapped) + if (!sg_n_mapped) { + dev_err(dev, "DMA mapping for SG error!\n"); return ERR_PTR(-EINVAL); + } if (sg_n_mapped > pool->sge_nr) { - dma_unmap_sg(dev, sgl, sg_n, DMA_BIDIRECTIONAL); + dev_err(dev, "the number of entries in input scatterlist is bigger than SGL pool setting.\n"); return ERR_PTR(-EINVAL); } curr_hw_sgl = acc_get_sgl(pool, index, &curr_sgl_dma); if (IS_ERR(curr_hw_sgl)) { + dev_err(dev, "Get SGL error!\n"); dma_unmap_sg(dev, sgl, sg_n, DMA_BIDIRECTIONAL); return ERR_PTR(-ENOMEM);