From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 48916C3815B for ; Mon, 20 Apr 2020 08:14:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2F91120BED for ; Mon, 20 Apr 2020 08:14:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726380AbgDTIOa (ORCPT ); Mon, 20 Apr 2020 04:14:30 -0400 Received: from mga14.intel.com ([192.55.52.115]:9276 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725896AbgDTIO3 (ORCPT ); Mon, 20 Apr 2020 04:14:29 -0400 IronPort-SDR: tVsAfBjzXL/DjkhvF7WeclRccF3VK6jEUXgxIDdElSOFWdm2XyVgq3PuIe+xU7hvP64M8674+f FP1TB8+xh0wg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Apr 2020 01:14:29 -0700 IronPort-SDR: 928VVyrwyF4Ptd9nikDiAoRKgwJlZDO/j5DS08oRmCJ6R9wMzYDlBU9PH+FE/dN9+f2cQdaP2K J9zxIm41xXKQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,406,1580803200"; d="scan'208";a="300218048" Received: from yilunxu-optiplex-7050.sh.intel.com ([10.239.159.141]) by FMSMGA003.fm.intel.com with ESMTP; 20 Apr 2020 01:14:27 -0700 From: Xu Yilun To: mdf@kernel.org, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org Cc: trix@redhat.com, bhu@redhat.com, Xu Yilun Subject: [PATCH v5 0/7] Add interrupt support to FPGA DFL drivers Date: Mon, 20 Apr 2020 16:11:36 +0800 Message-Id: <1587370303-25568-1-git-send-email-yilun.xu@intel.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset add interrupt support to FPGA DFL drivers. With these patches, DFL driver will parse and assign interrupt resources for enumerated feature devices and their sub features. This patchset also introduces a set of APIs for user to monitor DFL interrupts. Three sub features (DFL FME error, DFL AFU error and user interrupt) drivers now support these APIs. Patch #1: DFL framework change. Accept interrupt info input from DFL bus driver, and add interrupt parsing and assignment for feature sub devices. Patch #2: DFL pci driver change, add interrupt info on DFL enumeration. Patch #3: DFL framework change. Add helper functions for feature sub device drivers to handle interrupt and notify users. Patch #4: Add interrupt support for AFU error reporting sub feature. Patch #5: Add interrupt support for FME global error reporting sub feature. Patch #6: Add interrupt support for a new sub feature, to handle user interrupts implemented in AFU. Patch #7: Documentation for DFL interrupt handling. Main changes from v1: - Early validating irq table for each feature in parse_feature_irq() in Patch #1. - Changes IOCTL interfaces. use DFL_FPGA_FME/PORT_XXX_GET_IRQ_NUM instead of DFL_FPGA_FME/PORT_XXX_GET_INFO, delete flag field for DFL_FPGA_FME/PORT_XXX_SET_IRQ param Main changes from v2: - put parse_feature_irqs() inside create_feature_instance(). - refines code for dfl_fpga_set_irq_triggers, delete local variable j. - put_user() instead of copy_to_user() for DFL_FPGA_XXX_GET_IRQ_NUM IOCTL Main changes from v3: - rebased to 5.7-rc1. - fail the dfl enumeration when irq parsing error happens. - Add 2 helper functions in dfl.c to handle generic irq ioctls in feature drivers. Main changes from v4: - Minor fixes for Hao's comments. Xu Yilun (7): fpga: dfl: parse interrupt info for feature devices on enumeration fpga: dfl: pci: add irq info for feature devices enumeration fpga: dfl: introduce interrupt trigger setting API fpga: dfl: afu: add interrupt support for port error reporting fpga: dfl: fme: add interrupt support for global error reporting fpga: dfl: afu: add AFU interrupt support Documentation: fpga: dfl: add descriptions for interrupt related interfaces. Documentation/fpga/dfl.rst | 19 +++ drivers/fpga/dfl-afu-error.c | 17 +++ drivers/fpga/dfl-afu-main.c | 32 +++++ drivers/fpga/dfl-fme-error.c | 18 +++ drivers/fpga/dfl-fme-main.c | 6 + drivers/fpga/dfl-pci.c | 80 +++++++++-- drivers/fpga/dfl.c | 310 ++++++++++++++++++++++++++++++++++++++++++ drivers/fpga/dfl.h | 57 ++++++++ include/uapi/linux/fpga-dfl.h | 82 +++++++++++ 9 files changed, 612 insertions(+), 9 deletions(-) -- 2.7.4