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Thu, 15 Aug 2024 08:57:31 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 40xkmhennv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 15 Aug 2024 08:57:31 +0000 Received: from APBLRPPMTA02.qualcomm.com (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 47F8vSF6029646; Thu, 15 Aug 2024 08:57:30 GMT Received: from hu-devc-blr-u22-a.qualcomm.com (hu-mdalam-blr.qualcomm.com [10.131.36.157]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 47F8vToF029697 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 15 Aug 2024 08:57:30 +0000 Received: by hu-devc-blr-u22-a.qualcomm.com (Postfix, from userid 466583) id B9606417FB; Thu, 15 Aug 2024 14:27:27 +0530 (+0530) From: Md Sadre Alam To: vkoul@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andersson@kernel.org, konradybcio@kernel.org, thara.gopinath@gmail.com, herbert@gondor.apana.org.au, davem@davemloft.net, gustavoars@kernel.org, u.kleine-koenig@pengutronix.de, kees@kernel.org, agross@kernel.org, linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org Cc: quic_srichara@quicinc.com, quic_varada@quicinc.com, quic_mdalam@quicinc.com, quic_utiwari@quicinc.com Subject: [PATCH v2 13/16] crypto: qce - Add support for lock/unlock in aead Date: Thu, 15 Aug 2024 14:27:22 +0530 Message-Id: <20240815085725.2740390-14-quic_mdalam@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240815085725.2740390-1-quic_mdalam@quicinc.com> References: <20240815085725.2740390-1-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-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: pWga5pM_evWnirxuErqi5Phsp8rwPfoA X-Proofpoint-ORIG-GUID: pWga5pM_evWnirxuErqi5Phsp8rwPfoA X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-15_01,2024-08-13_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 malwarescore=0 impostorscore=0 mlxscore=0 lowpriorityscore=0 spamscore=0 suspectscore=0 bulkscore=0 clxscore=1015 phishscore=0 priorityscore=1501 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2408150064 Add support for lock/unlock on bam pipe in aead. 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 [v2] * Removed unmap_sg() from crypto done api Change in [v1] * Added qce_bam_acquire_lock and qce_bam_release_lock api in aead drivers/crypto/qce/aead.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/crypto/qce/aead.c b/drivers/crypto/qce/aead.c index 7d811728f047..13fb7af69f54 100644 --- a/drivers/crypto/qce/aead.c +++ b/drivers/crypto/qce/aead.c @@ -63,6 +63,8 @@ static void qce_aead_done(void *data) sg_free_table(&rctx->dst_tbl); } + qce_bam_release_lock(qce); + error = qce_check_status(qce, &status); if (error < 0 && (error != -EBADMSG)) dev_err(qce->dev, "aead operation error (%x)\n", status); @@ -433,6 +435,8 @@ qce_aead_async_req_handle(struct crypto_async_request *async_req) else rctx->assoclen = req->assoclen; + qce_bam_acquire_lock(qce); + diff_dst = (req->src != req->dst) ? true : false; dir_src = diff_dst ? DMA_TO_DEVICE : DMA_BIDIRECTIONAL; dir_dst = diff_dst ? DMA_FROM_DEVICE : DMA_BIDIRECTIONAL;