From patchwork Mon Sep 9 09:26:30 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: 826679 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 1B2591B5315; Mon, 9 Sep 2024 09:28:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725874103; cv=none; b=TVkwxOrKV4mPRyjQhN9vexD8CzxQIjuNO37PUPwMid1svRbflbgRoV9Txbzb4lWvWsJUWkwYSy9SnpyibDJD36ZPeCvTo447YAxJBRhoZXXNXqCeM5zZgh/tzpNkuaMKejzrxeDWtH7UZQgOI9tw4rL7AAnv5rbFzV2XoYhAwT4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725874103; c=relaxed/simple; bh=NzPiyH7keLz7uGhJMqS0nSkxw+5QlyN56+cwTbGwexk=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=F0zJbF1zf4K1uqbz97S0Ph8ERglDwHuCCmJwlewQ7XQJLUkJ4k7pfoBKMzpE/cGdkRRscAB/2y8zrIF6WYLPjpu4/BSGBPiTt26Fs+lr+yuc6hJbl6lhthEzBTmeDJEzwJMeKjz9b8frD5MVwOxjC5vo9CnTwk4uKNNViFYiZtA= 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=V9msYzLN; arc=none smtp.client-ip=205.220.180.131 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="V9msYzLN" Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4899JrGg005060; Mon, 9 Sep 2024 09:28:12 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= aneSeh2QGlsH0G08OUH3j3Kyla/ciBKmZOl1i4Z1CY8=; b=V9msYzLNDAgz+gc9 16azCC+MzkNpvV0hg6XkNQwUsm2FVvb6KcIR48j+5Af2v8BO8P/WF0tgAinzj2dQ lGXXcIs0+fFHwrVUd+mBIeNGJfx5cvuifs3ZMr7g20d/0JgIR671ZE4oxWYyaRdy MXRMV4m+3K/vtZbfQniX6pcl3L7eh9gfkCLM5b83A4p0vUR0Q10kxMIqeVbHCBZi uGiHi5jtza5utgr41de8V1rI7jtX9sHR6oZDX/DI7Ibv4we6kTOxElEj41Bml7HX mAwZQJlDBK5pKvsJLvzlz8TcfPirwsmekumjhxSMvYmUxHQwfen7lkOZZ4Lnk+wv Wy2AFg== Received: from nasanppmta03.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 41gy512bec-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 09 Sep 2024 09:28:12 +0000 (GMT) Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA03.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4899RuhP031566 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 9 Sep 2024 09:27:56 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; Mon, 9 Sep 2024 02:27:50 -0700 From: Md Sadre Alam To: , , , , , , , , , , , , , , CC: Subject: [PATCH v4 09/11] crypto: qce - Add support for lock/unlock in skcipher Date: Mon, 9 Sep 2024 14:56:30 +0530 Message-ID: <20240909092632.2776160-10-quic_mdalam@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240909092632.2776160-1-quic_mdalam@quicinc.com> References: <20240909092632.2776160-1-quic_mdalam@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) 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-ORIG-GUID: LZWc3Wrawb4nGf4Rias4EuD47xlrLEka X-Proofpoint-GUID: LZWc3Wrawb4nGf4Rias4EuD47xlrLEka 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 spamscore=0 impostorscore=0 mlxscore=0 bulkscore=0 mlxlogscore=999 priorityscore=1501 lowpriorityscore=0 malwarescore=0 clxscore=1015 phishscore=0 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2408220000 definitions=main-2409090075 Add support for lock/unlock on bam pipe in skcipher. 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 [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 skcipher Change in [v1] * This patch was not included in [v1] drivers/crypto/qce/skcipher.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/crypto/qce/skcipher.c b/drivers/crypto/qce/skcipher.c index 5b493fdc1e74..a4e09562b5f4 100644 --- a/drivers/crypto/qce/skcipher.c +++ b/drivers/crypto/qce/skcipher.c @@ -52,6 +52,8 @@ static void qce_skcipher_done(void *data) sg_free_table(&rctx->dst_tbl); + qce_bam_release_lock(qce); + error = qce_check_status(qce, &status); if (error < 0) dev_dbg(qce->dev, "skcipher operation error (%x)\n", status); @@ -82,6 +84,8 @@ qce_skcipher_async_req_handle(struct crypto_async_request *async_req) dir_src = diff_dst ? DMA_TO_DEVICE : DMA_BIDIRECTIONAL; dir_dst = diff_dst ? DMA_FROM_DEVICE : DMA_BIDIRECTIONAL; + qce_bam_acquire_lock(qce); + rctx->src_nents = sg_nents_for_len(req->src, req->cryptlen); if (diff_dst) rctx->dst_nents = sg_nents_for_len(req->dst, req->cryptlen);