From patchwork Mon Sep 19 15:22:18 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 9339697 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id F09E9607D0 for ; Mon, 19 Sep 2016 15:28:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E13BE2941D for ; Mon, 19 Sep 2016 15:28:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D59BA29421; Mon, 19 Sep 2016 15:28:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 806AE2941D for ; Mon, 19 Sep 2016 15:28:01 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bm0Sn-0003qV-LJ; Mon, 19 Sep 2016 15:26:33 +0000 Received: from devils.ext.ti.com ([198.47.26.153]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bm0Pj-0000ke-5J for linux-arm-kernel@lists.infradead.org; Mon, 19 Sep 2016 15:23:33 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id u8JFMwb9026956; Mon, 19 Sep 2016 10:22:58 -0500 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id u8JFMvOr002496; Mon, 19 Sep 2016 10:22:57 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.294.0; Mon, 19 Sep 2016 10:22:57 -0500 Received: from gomoku.home (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id u8JFMWdB031441; Mon, 19 Sep 2016 10:22:55 -0500 From: Tero Kristo To: , , , , Subject: [PATCH 7/8] crypto: omap-sham: add support for export/import Date: Mon, 19 Sep 2016 18:22:18 +0300 Message-ID: <1474298539-23897-8-git-send-email-t-kristo@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1474298539-23897-1-git-send-email-t-kristo@ti.com> References: <1474298539-23897-1-git-send-email-t-kristo@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160919_082323_686096_42C82BB7 X-CRM114-Status: GOOD ( 10.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Now that the driver has been converted to use scatterlists for data handling, add proper implementation for the export/import stubs also. Signed-off-by: Tero Kristo --- drivers/crypto/omap-sham.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c index 412559e..8eefd79 100644 --- a/drivers/crypto/omap-sham.c +++ b/drivers/crypto/omap-sham.c @@ -1418,12 +1418,21 @@ static void omap_sham_cra_exit(struct crypto_tfm *tfm) static int omap_sham_export(struct ahash_request *req, void *out) { - return -ENOTSUPP; + struct omap_sham_reqctx *rctx = ahash_request_ctx(req); + + memcpy(out, rctx, sizeof(*rctx) + rctx->bufcnt); + + return 0; } static int omap_sham_import(struct ahash_request *req, const void *in) { - return -ENOTSUPP; + struct omap_sham_reqctx *rctx = ahash_request_ctx(req); + const struct omap_sham_reqctx *ctx_in = in; + + memcpy(rctx, in, sizeof(*rctx) + ctx_in->bufcnt); + + return 0; } static struct ahash_alg algs_sha1_md5[] = { @@ -2083,7 +2092,8 @@ static int omap_sham_probe(struct platform_device *pdev) alg = &dd->pdata->algs_info[i].algs_list[j]; alg->export = omap_sham_export; alg->import = omap_sham_import; - alg->halg.statesize = sizeof(struct omap_sham_reqctx); + alg->halg.statesize = sizeof(struct omap_sham_reqctx) + + BUFLEN; err = crypto_register_ahash(alg); if (err) goto err_algs;