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 CA0AAC4332B for ; Tue, 24 Mar 2020 08:35:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A8DD720724 for ; Tue, 24 Mar 2020 08:35:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726915AbgCXIfT (ORCPT ); Tue, 24 Mar 2020 04:35:19 -0400 Received: from mga03.intel.com ([134.134.136.65]:53578 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726091AbgCXIfT (ORCPT ); Tue, 24 Mar 2020 04:35:19 -0400 IronPort-SDR: NudQ/OQCVe21AGxaIH9hizRlgbzNEDAb/9olviE3c3fLRYbySM6ZOmQ0WK+fv0o47sD62wAeiK 29TtAtoB0IjA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2020 01:35:18 -0700 IronPort-SDR: 5DLwAK13oF57xWwonRdbYtGIs6r2XC9aiQs6K0SCgQdxSlbHMoUoRG10xmbUx3nPXLH4N0MVZ9 3IW1su62Hy1A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,299,1580803200"; d="scan'208";a="446143738" Received: from yilunxu-optiplex-7050.sh.intel.com ([10.239.159.141]) by fmsmga005.fm.intel.com with ESMTP; 24 Mar 2020 01:35:17 -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 v3 0/7] Add interrupt support to FPGA DFL drivers Date: Tue, 24 Mar 2020 16:32:36 +0800 Message-Id: <1585038763-22944-1-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 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 error reporting fpga: dfl: fme: add interrupt support for global error reporting fpga: dfl: afu: add user interrupt support Documentation: fpga: dfl: add descriptions for interrupt related interfaces. Documentation/fpga/dfl.rst | 17 +++ drivers/fpga/dfl-afu-error.c | 60 +++++++++++ drivers/fpga/dfl-afu-main.c | 74 +++++++++++++ drivers/fpga/dfl-fme-error.c | 62 +++++++++++ drivers/fpga/dfl-fme-main.c | 6 ++ drivers/fpga/dfl-pci.c | 76 +++++++++++-- drivers/fpga/dfl.c | 245 ++++++++++++++++++++++++++++++++++++++++++ drivers/fpga/dfl.h | 51 +++++++++ include/uapi/linux/fpga-dfl.h | 75 +++++++++++++ 9 files changed, 657 insertions(+), 9 deletions(-) -- 2.7.4