From patchwork Mon Mar 6 21:33:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffrey Hugo X-Patchwork-Id: 13162402 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FB00C6FD1F for ; Mon, 6 Mar 2023 21:35:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230039AbjCFVe7 (ORCPT ); Mon, 6 Mar 2023 16:34:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33196 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230124AbjCFVer (ORCPT ); Mon, 6 Mar 2023 16:34:47 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 991CA2A14A; Mon, 6 Mar 2023 13:34:41 -0800 (PST) Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 326JW7gC015080; Mon, 6 Mar 2023 21:34:32 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=+m+xg6oBSLb+hDqxmR3eS7hXggsAVG0eCx2mr+yodW8=; b=lgQo140JeLjgM3Y/dRDozZB1NSJPJOkhPiN5nDq8Y/N0J31PzQ15UTZGALcgfIWvQtXB 0Yy324m7oiOuwY6wcJqW44wHAd3AYU/J7ppYGIwnF0wyJ44B43paojmqII1xXJ5c257O Ni7GJCG9tGXIBK+qske9hlAiaa4KVbHNwDonYyWtLmpKV1BWhE3TwtxbXXBQSLvyuwpJ Cunbpurc9fApB8PbuGR6oLYfdAyPgR5qC+87Zt6h5seb8XGEWL+dgYORZ0OsmFkz1ccx d+xcOJ1cAYyTTqVT/WBF/62duxmes3h0mQpZJBjHc1rZTWU6UNzCyWsGTNh8EEANpZ1+ Gw== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3p4g3mvvh4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 06 Mar 2023 21:34:32 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 326LYU2u019810 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 6 Mar 2023 21:34:30 GMT Received: from jhugo-lnx.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Mon, 6 Mar 2023 13:34:29 -0800 From: Jeffrey Hugo To: , , , , , , CC: , , , , , Jeffrey Hugo Subject: [PATCH v3 0/8] QAIC accel driver Date: Mon, 6 Mar 2023 14:33:55 -0700 Message-ID: <1678138443-2760-1-git-send-email-quic_jhugo@quicinc.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: KYjFOp72e6y_EnY8RCV9zlv7VRhaDzFN X-Proofpoint-GUID: KYjFOp72e6y_EnY8RCV9zlv7VRhaDzFN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-06_14,2023-03-06_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 bulkscore=0 impostorscore=0 priorityscore=1501 suspectscore=0 mlxscore=0 clxscore=1015 adultscore=0 malwarescore=0 phishscore=0 mlxlogscore=760 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2303060186 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This series introduces a driver under the accel subsystem (QAIC - Qualcomm AIC) for the Qualcomm Cloud AI 100 product (AIC100). AIC100 is a PCIe adapter card that hosts a dedicated machine learning inference accelerator. Depends on "accel: Build sub-directories based on config options" found at https://lore.kernel.org/all/20230301162508.3963484-1-stanislaw.gruszka@linux.intel.com/ The previous version (v2) can be found at: https://lore.kernel.org/all/1675698105-19025-1-git-send-email-quic_jhugo@quicinc.com/ v3: -Various style updates and word smithing -Remove unused function declarations -Drop iommu workaround for sg lists and outdated reserve_pages() -Remove unnecessary includes -Refactor qaic_pci_probe() -Use FIELD_PREP for ENCODE_SEM -Gate qaic subdirectory on the kconfig symbol -Add dri-devel@lists.freedesktop.org to MAINTAINERS entry -Rename copy_sgt() -Correct guard macro for qaic.h and cplusplus macro -Add comment in qaic_mhi_remove -Fix qaic_open use after free -Use devm allocs in qaic_mhi_register_controller() -Remove partition device ioctl. v2: -Addressed comments from RFC -Reduced the code to the core minimum by dropping telemetery, etc -Conversion to accel subsystem -Dropped versioning -Add mhi_qaic_cntl component -Restructure the documentation -Pull in a few fixes from the downstream tree Jeffrey Hugo (7): accel/qaic: Add documentation for AIC100 accelerator driver accel/qaic: Add uapi and core driver file accel/qaic: Add MHI controller accel/qaic: Add control path accel/qaic: Add datapath accel/qaic: Add qaic driver to the build system MAINTAINERS: Add entry for QAIC driver Pranjal Ramajor Asha Kanojiya (1): accel/qaic: Add mhi_qaic_cntl Documentation/accel/index.rst | 1 + Documentation/accel/qaic/aic100.rst | 501 ++++++++++ Documentation/accel/qaic/index.rst | 13 + Documentation/accel/qaic/qaic.rst | 169 ++++ MAINTAINERS | 9 + drivers/accel/Kconfig | 1 + drivers/accel/Makefile | 1 + drivers/accel/qaic/Kconfig | 23 + drivers/accel/qaic/Makefile | 13 + drivers/accel/qaic/mhi_controller.c | 563 +++++++++++ drivers/accel/qaic/mhi_controller.h | 16 + drivers/accel/qaic/mhi_qaic_ctrl.c | 581 +++++++++++ drivers/accel/qaic/mhi_qaic_ctrl.h | 11 + drivers/accel/qaic/qaic.h | 282 ++++++ drivers/accel/qaic/qaic_control.c | 1496 ++++++++++++++++++++++++++++ drivers/accel/qaic/qaic_data.c | 1878 +++++++++++++++++++++++++++++++++++ drivers/accel/qaic/qaic_drv.c | 648 ++++++++++++ include/uapi/drm/qaic_accel.h | 397 ++++++++ 18 files changed, 6603 insertions(+) create mode 100644 Documentation/accel/qaic/aic100.rst create mode 100644 Documentation/accel/qaic/index.rst create mode 100644 Documentation/accel/qaic/qaic.rst create mode 100644 drivers/accel/qaic/Kconfig create mode 100644 drivers/accel/qaic/Makefile create mode 100644 drivers/accel/qaic/mhi_controller.c create mode 100644 drivers/accel/qaic/mhi_controller.h create mode 100644 drivers/accel/qaic/mhi_qaic_ctrl.c create mode 100644 drivers/accel/qaic/mhi_qaic_ctrl.h create mode 100644 drivers/accel/qaic/qaic.h create mode 100644 drivers/accel/qaic/qaic_control.c create mode 100644 drivers/accel/qaic/qaic_data.c create mode 100644 drivers/accel/qaic/qaic_drv.c create mode 100644 include/uapi/drm/qaic_accel.h Reviewed-by: Stanislaw Gruszka for the whole series.