From patchwork Fri Sep 6 05:22:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Subramanian Ananthanarayanan X-Patchwork-Id: 13793270 X-Patchwork-Delegate: kw@linux.com 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 830B7182C3; Fri, 6 Sep 2024 05:22:45 +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=1725600167; cv=none; b=APZu3Yfg2gyAJK6e8GB2ry4B2fARCfWHW6NgfCujgDEvyac4JUiYmOvBmg6PnVjWS46voNA3LoS2yq9at0nOo7YzdnOGs5IiVDbQ6cDhP9TbHOM+NTiYfRvrEToZEtJ3Iu4daO7jadX8vr+9zUazeJuBaLwZU1N0PC6pFNTyeNQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725600167; c=relaxed/simple; bh=LVuUlMwyzvzWLDZDd7wwdvmaa0aPjj9BgTayKKGoFnU=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=B+7L+0OJEZ0Fk0awhk4M+Erhis+6kHpTn6iXQSkvIk3QO8+Gqw+dgld6wHMPo2MuUQSNabg4OMCKpbDPQNgHLr81prDfW3sS4zDoKoMw9wkrWLaD4ENxp84cCdYQXANjD56WXOz4p5twX9HoVva3dgq3+j+WePkYa1mI9n6mxYM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=qualcomm.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=QYvLec4T; 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=qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="QYvLec4T" Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 485IPx2m032622; Fri, 6 Sep 2024 05:22:43 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:date:from:message-id:mime-version :subject:to; s=qcppdkim1; bh=Ab+IaklRQePKOAY4pSdCb9I2/tfAKXmYqAR pfe8Goh0=; b=QYvLec4Ty3+v7HPZrIrA7Gmrav2UpccwVdbGgJWR5c+DXS02bfL WilsmyyYHuxt9pIhnjtMyM9+ehjgYQZvrOSz7oNCHgCwa1LHt8DUu12DXWhJyIqj i5igc6w4GUlryz9wmrvete1U+ky44KVqYSBEWDyV5imb3Pz4u98F12G6XNcuJJ1T jOOY2OZlfpJqODSeOrVJonjdQqoOI0EajzQVAbKaKPR3tXVvMW4um5vX9csq30Bn xTPe32kg4CzxKryxK9uf7hlPSGiltVh3FoqNdIBY8dYszkSICX/ZfZd3vnm5h6GS 6hd+NcZQS1m8+q2lo7M6cUNSHOTXXiqF/LQ== Received: from apblrppmta02.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 41fhwt95qn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 06 Sep 2024 05:22:42 +0000 (GMT) Received: from pps.filterd (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTP id 4865MdhX018665; Fri, 6 Sep 2024 05:22:39 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 41bv8mt7f3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 06 Sep 2024 05:22:39 +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 4865MdQ2018660; Fri, 6 Sep 2024 05:22:39 GMT Received: from hu-devc-hyd-u22-c.qualcomm.com (hu-skananth-hyd.qualcomm.com [10.213.96.172]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 4865McAp018658 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 06 Sep 2024 05:22:39 +0000 Received: by hu-devc-hyd-u22-c.qualcomm.com (Postfix, from userid 432606) id DB15F3B2; Fri, 6 Sep 2024 10:52:37 +0530 (+0530) From: Subramanian Ananthanarayanan To: bhelgaas@google.com Cc: quic_krichai@quicinc.com, quic_vbadigan@quicinc.com, linux-arm-msm@vger.kernel.org, Subramanian Ananthanarayanan , linux-pci@vger.kernel.org (open list:PCI SUBSYSTEM), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v1] PCI: Add ACS quirk for Qualcomm SA8775P Date: Fri, 6 Sep 2024 10:52:27 +0530 Message-Id: <20240906052228.1829485-1-quic_skananth@quicinc.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-pci@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: ZFWS0tuLyzXi8cldvXRv5M_6-sLtxs1w X-Proofpoint-ORIG-GUID: ZFWS0tuLyzXi8cldvXRv5M_6-sLtxs1w 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=2024-09-05_17,2024-09-05_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 clxscore=1011 priorityscore=1501 malwarescore=0 adultscore=0 mlxscore=0 spamscore=0 bulkscore=0 mlxlogscore=868 phishscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2408220000 definitions=main-2409060037 The Qualcomm SA8775P root ports don't advertise an ACS capability, but they do provide ACS-like features to disable peer transactions and validate bus numbers in requests. Add an ACS quirk for the SA8775P. Signed-off-by: Subramanian Ananthanarayanan --- drivers/pci/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 507006ff13dd..bc739f04d4b1 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -5087,6 +5087,8 @@ static const struct pci_dev_acs_enabled { /* QCOM QDF2xxx root ports */ { PCI_VENDOR_ID_QCOM, 0x0400, pci_quirk_qcom_rp_acs }, { PCI_VENDOR_ID_QCOM, 0x0401, pci_quirk_qcom_rp_acs }, + /* QCOM SA8775P root port */ + { PCI_VENDOR_ID_QCOM, 0x0115, pci_quirk_qcom_rp_acs }, /* HXT SD4800 root ports. The ACS design is same as QCOM QDF2xxx */ { PCI_VENDOR_ID_HXT, 0x0401, pci_quirk_qcom_rp_acs }, /* Intel PCH root ports */