From patchwork Thu Dec 12 04:16:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Md Sadre Alam X-Patchwork-Id: 13904648 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 BE5FB193094; Thu, 12 Dec 2024 04:18:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733977082; cv=none; b=AlqyXBIRsLp48Bn8iScQSu+niM61auo7UfMbq1A7WsHw7+J55v7Hf3n4T3hzRy47tTusmWHANsKDt9MQ7oZx4ZoB1mpfiGNP/1hjBoepkE9M+1FrS2dX1TGmygmGfKqUbARvWNIXwo2BcrgYcoErLm2LmpU7tdgeLPKUAfwdtng= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733977082; c=relaxed/simple; bh=MGcRX4b+wxrBgAqakRtQqj4UCbk/AW7r7E0tZMpAQZU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=pmuUgBJfAgkkWWEynpaztIjm0J2dfWfeNQwDH6mQKL0zwSet47MGZyQFEzgDz2cjKsUShI5eKMebe7YNMO/eJplOs8L2kW3pKs7brdVypBxIHfgUIHJzd0XuNhZ25s6Y8rXZ5U48xx6Fw9FCaltQ9hNPaCEIrzwSRl4tEC/m+KU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=eZOsptDE; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="eZOsptDE" Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4BBHD4CH032195; Thu, 12 Dec 2024 04:17:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= 1IOmcn3hxztYQxjObnnA9U/IQjCF6WEM1HKXoLY1M9w=; b=eZOsptDEsL6Qz/2q LENMdP+IalIYAybWLpLam6187OACQ6SrM4SjER6NiLcPwnxmL2PrnuBz4mbxgDa0 6VxUfaMmt2Ap1VXWu2huAqERO1Xjr/ON67OF4a5AsZ/fs2erT/2M6y4IiDeDkeh+ VIph77LaepdsH59sYEmJsVSosWpCb7b5GZAj718hiimRcTHaEACEwKiVnfOKpcI9 VukKExbb28uth6Ci0+ZiptK8QRq3C3jrPY8izHdSijrqzN2phPI9japZkYRr5HSE rxM9xfuXhkmpX+zjT34y3JDW1XQNmhmuTer0mCLAnHGKF1eLbUtr2Us869U1yi8p WaZENA== Received: from nasanppmta05.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 43f6tfaxch-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Dec 2024 04:17:53 +0000 (GMT) Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA05.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4BC4Hrvc021600 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Dec 2024 04:17:53 GMT Received: from hu-mdalam-blr.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 11 Dec 2024 20:17:48 -0800 From: Md Sadre Alam To: , , , , , , , , , , , CC: , , , Subject: [PATCH v5 11/12] crypto: qce - Add support for lock/unlock in sha Date: Thu, 12 Dec 2024 09:46:38 +0530 Message-ID: <20241212041639.4109039-12-quic_mdalam@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241212041639.4109039-1-quic_mdalam@quicinc.com> References: <20241212041639.4109039-1-quic_mdalam@quicinc.com> Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: D6Epg8tzUhgfmH_SCmXCRCuXC1wL5Hyv X-Proofpoint-ORIG-GUID: D6Epg8tzUhgfmH_SCmXCRCuXC1wL5Hyv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 mlxlogscore=999 malwarescore=0 spamscore=0 lowpriorityscore=0 impostorscore=0 adultscore=0 bulkscore=0 phishscore=0 priorityscore=1501 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412120028 Add support for lock/unlock on bam pipe in sha. If multiple EE's(Execution Environment) try to access the same crypto engine then before accessing the crypto engine EE's has to lock the bam pipe and then submit the request to crypto engine. Once request done then EE's has to unlock the bam pipe so that others EE's can access the crypto engine. Signed-off-by: Md Sadre Alam --- Change in [v5] * No change Change in [v4] * No change Change in [v3] * Move qce_bam_release_lock() after qca_dma_terminate_all() api Change in [v2] * Added qce_bam_acquire_lock() and qce_bam_release_lock() api for SHA Change in [v1] * This patch was not included in [v1] drivers/crypto/qce/sha.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/crypto/qce/sha.c b/drivers/crypto/qce/sha.c index fc72af8aa9a7..abfa63ff18d7 100644 --- a/drivers/crypto/qce/sha.c +++ b/drivers/crypto/qce/sha.c @@ -60,6 +60,8 @@ static void qce_ahash_done(void *data) rctx->byte_count[0] = cpu_to_be32(result->auth_byte_count[0]); rctx->byte_count[1] = cpu_to_be32(result->auth_byte_count[1]); + qce_bam_release_lock(qce); + error = qce_check_status(qce, &status); if (error < 0) dev_dbg(qce->dev, "ahash operation error (%x)\n", status); @@ -90,6 +92,8 @@ static int qce_ahash_async_req_handle(struct crypto_async_request *async_req) rctx->authklen = AES_KEYSIZE_128; } + qce_bam_acquire_lock(qce); + rctx->src_nents = sg_nents_for_len(req->src, req->nbytes); if (rctx->src_nents < 0) { dev_err(qce->dev, "Invalid numbers of src SG.\n");