From patchwork Mon Feb 10 12:32:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 231640 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 AB324C352A3 for ; Mon, 10 Feb 2020 13:32:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7AF6320714 for ; Mon, 10 Feb 2020 13:32:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581341574; bh=s9vMX17cL/4UN/uKNxZu0qzByCTD+ZvN3gc5LxNfAN8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=CA4VsUPOWlikkMqGGsLHhv7Ne/u5ZPrav3GlcehnBzMoHOYUpM5FHHb3m2aUZhnUc wsMs7Go5dLaNZnR8BNjcCsvrAoiyp2o8tDF/AfWV+oQPeZopdm36pe1PkXSVIkPXFQ xy0zLKbi+rpVQmhXoCkrr4LIhrqUGC6XAsnSlklw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730025AbgBJNcq (ORCPT ); Mon, 10 Feb 2020 08:32:46 -0500 Received: from mail.kernel.org ([198.145.29.99]:53232 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727594AbgBJMfm (ORCPT ); Mon, 10 Feb 2020 07:35:42 -0500 Received: from localhost (unknown [209.37.97.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7653A2168B; Mon, 10 Feb 2020 12:35:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581338141; bh=s9vMX17cL/4UN/uKNxZu0qzByCTD+ZvN3gc5LxNfAN8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=reCnElyjTUvPxNCK1+SQpXXPHLpeA6/pIt11Tqsqq5mEYUjOMCTwm1SJPv1puUHAc WYQAJme2ppcXSqYs9IDKw9G0LKp0N4FlObRm84BpURVbTExrt5v036NJF5TEZITLh4 xY91jjgyFKSiaSI0vLPaA3GC+dvmiipeD2qchCFA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Gary R Hook , Ard Biesheuvel , Herbert Xu Subject: [PATCH 4.19 097/195] crypto: ccp - set max RSA modulus size for v3 platform devices as well Date: Mon, 10 Feb 2020 04:32:35 -0800 Message-Id: <20200210122314.698386216@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200210122305.731206734@linuxfoundation.org> References: <20200210122305.731206734@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ard Biesheuvel commit 11548f5a5747813ff84bed6f2ea01100053b0d8d upstream. AMD Seattle incorporates a non-PCI version of the v3 CCP crypto accelerator, and this version was left behind when the maximum RSA modulus size was parameterized in order to support v5 hardware which supports larger moduli than v3 hardware does. Due to this oversight, RSA acceleration no longer works at all on these systems. Fix this by setting the .rsamax property to the appropriate value for v3 platform hardware. Fixes: e28c190db66830c0 ("csrypto: ccp - Expand RSA support for a v5 ccp") Cc: Gary R Hook Signed-off-by: Ard Biesheuvel Acked-by: Gary R Hook Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/ccp/ccp-dev-v3.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/crypto/ccp/ccp-dev-v3.c +++ b/drivers/crypto/ccp/ccp-dev-v3.c @@ -590,6 +590,7 @@ const struct ccp_vdata ccpv3_platform = .setup = NULL, .perform = &ccp3_actions, .offset = 0, + .rsamax = CCP_RSA_MAX_WIDTH, }; const struct ccp_vdata ccpv3 = {