Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp1186180pxf; Fri, 9 Apr 2021 02:07:11 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxAMskIrf8GeoHmNH8excdyI+kc8sjys4dkd9oOIN1Rl/9hL4yspJ2w3qPuioKP3fKGRkCl X-Received: by 2002:a17:902:6a87:b029:e6:6a3d:29e8 with SMTP id n7-20020a1709026a87b02900e66a3d29e8mr11667098plk.10.1617959231137; Fri, 09 Apr 2021 02:07:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617959231; cv=none; d=google.com; s=arc-20160816; b=V8/PXISJH4k23O6WzVQJcrPBARf/ek1qwEUEmpYCkWtDW96f0NSTBwfGgdm6gF+hSg lcQAAdkv0N2XW6Zu+vRbp2YwYealaINzmlVfLiCHNKL2ETYsMchhRu6dyDW4ED0F4/ue lX6PDH6TQQsP5/K/nxm742bp/YOpBffiR1HUEIry/etUQsXsgNEF7UOcDWLg1incVLRl TdNlR2YrGP/l5xbHhFIkiA0cPpaw+CwvhY/Kc3JWVqsHfs1clBNzQ21DxV24CEEWYw00 +Wd3l7NRp8U4e2mf3/C7xd+YQ53MfmZmxgBJJrEWOYd6dX4Rq26FfmxCNjdeNntlCzfZ vIbg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:references:in-reply-to:message-id :date:subject:cc:to:from; bh=DZgN7kYBgRptvixwynfTTeosaT3UfyBc8yh47T9e/kU=; b=fjaFFoZ+Pe/S8wBbFc1wGEZZpQyzllFuslJ58WAOSm2R9w9sb5OFdsfx+49rr1FQJr aB2qnKqvXypyInP+QScmpkgDdfLFLGnInzh8JydPhwn8Hdza2/wQMPhSuoXXEQaP6F// RowFcHL1beWgKvqy03oy/Y+3J3WDoBoR3dJUk1WCsFJxIJYT0cmBVgV94eQcSqRGRPEY ZV+E65UcsArR0xpKLAd/XZ9YR27cLkkvgL9Bdc8+6FqXYea+raS+BNpBp+XEBbkf1kKU yzJ+HniI7XyafFQ2fTxCAPeN8VM+tbIkjpTwh8Z+YnYU4hKZflavXRjZJpX0AfwrNJ3R bNQA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id q12si2256362plx.262.2021.04.09.02.06.58; Fri, 09 Apr 2021 02:07:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232286AbhDIJHD (ORCPT + 99 others); Fri, 9 Apr 2021 05:07:03 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:16870 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231749AbhDIJHC (ORCPT ); Fri, 9 Apr 2021 05:07:02 -0400 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4FGsf44SzZzlWx1; Fri, 9 Apr 2021 17:05:00 +0800 (CST) Received: from huawei.com (10.67.165.24) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.498.0; Fri, 9 Apr 2021 17:06:39 +0800 From: Kai Ye To: CC: , , Subject: [PATCH v3 5/5] crypto: hisilicon/sgl - fix the sg buf unmap Date: Fri, 9 Apr 2021 17:04:04 +0800 Message-ID: <1617959044-11023-6-git-send-email-yekai13@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1617959044-11023-1-git-send-email-yekai13@huawei.com> References: <1617959044-11023-1-git-send-email-yekai13@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.165.24] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Add data cleared operation for sge data. Signed-off-by: Kai Ye --- drivers/crypto/hisilicon/sgl.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/hisilicon/sgl.c b/drivers/crypto/hisilicon/sgl.c index 7f11e41..0572737 100644 --- a/drivers/crypto/hisilicon/sgl.c +++ b/drivers/crypto/hisilicon/sgl.c @@ -192,6 +192,18 @@ static void update_hw_sgl_sum_sge(struct hisi_acc_hw_sgl *hw_sgl, u16 sum) hw_sgl->entry_sum_in_chain = cpu_to_le16(sum); } +static void clear_hw_sgl_sge(struct hisi_acc_hw_sgl *hw_sgl) +{ + struct acc_hw_sge *hw_sge = hw_sgl->sge_entries; + int i; + + for (i = 0; i < le16_to_cpu(hw_sgl->entry_sum_in_sgl); i++) { + hw_sge[i].page_ctrl = NULL; + hw_sge[i].buf = 0; + hw_sge[i].len = 0; + } +} + /** * hisi_acc_sg_buf_map_to_hw_sgl - Map a scatterlist to a hw sgl. * @dev: The device which hw sgl belongs to. @@ -269,7 +281,7 @@ void hisi_acc_sg_buf_unmap(struct device *dev, struct scatterlist *sgl, return; dma_unmap_sg(dev, sgl, sg_nents(sgl), DMA_BIDIRECTIONAL); - + clear_hw_sgl_sge(hw_sgl); hw_sgl->entry_sum_in_chain = 0; hw_sgl->entry_sum_in_sgl = 0; hw_sgl->entry_length_in_sgl = 0; -- 2.8.1