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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B6D55C77B72 for ; Mon, 17 Apr 2023 06:18:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=REBNjl9ZAKzPgT9oTe1/hrULfyxAwV1Xjt0NScN3dXY=; b=BCIRQNvWfEuDh2 AnFBhsOjcXCyMKXVwMasbxSEtVgVFb98nwfxjMNv4F3tIv1lQdVMFnJ+sXsKzvZ98ESJE9YOMgADe G1KKOSMLIPkKXAPsJ98o6tjF1l75w+kl1HzATRBjd36M9uTMe8SoI3pVViE9qYdQ+2hObE7boQFQY rzdex4mF4cTM4eCvyYDW2GHXZ2MT17s5O4qCbY3pdiQyumBNI2r5jfkCFQPRmFKc2+7QgyHTRwwf1 obELKe//IKwhWCnyTgQBh6c8YpuaMc2mcGL7N6ohr6zV4eqadoboaqhPyAbnlTTVbFwZuvVmmkI8F tnctFhsWn9JJstDpGb5Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1poIBN-00F195-1s; Mon, 17 Apr 2023 06:17:45 +0000 Received: from out30-118.freemail.mail.aliyun.com ([115.124.30.118]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1poIBJ-00F166-3C for linux-arm-kernel@lists.infradead.org; Mon, 17 Apr 2023 06:17:43 +0000 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R151e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046060;MF=xueshuai@linux.alibaba.com;NM=1;PH=DS;RN=13;SR=0;TI=SMTPD_---0VgDPlFK_1681712255; Received: from localhost.localdomain(mailfrom:xueshuai@linux.alibaba.com fp:SMTPD_---0VgDPlFK_1681712255) by smtp.aliyun-inc.com; Mon, 17 Apr 2023 14:17:36 +0800 From: Shuai Xue To: helgaas@kernel.org, yangyicong@huawei.com, will@kernel.org, Jonathan.Cameron@huawei.com, baolin.wang@linux.alibaba.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, rdunlap@infradead.org, robin.murphy@arm.com, mark.rutland@arm.com, zhuo.song@linux.alibaba.com, xueshuai@linux.alibaba.com Subject: [PATCH v3 0/3] drivers/perf: add Synopsys DesignWare PCIe PMU driver support Date: Mon, 17 Apr 2023 14:17:26 +0800 Message-Id: <20230417061729.84422-1-xueshuai@linux.alibaba.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220917121036.14864-1-xueshuai@linux.alibaba.com> References: <20220917121036.14864-1-xueshuai@linux.alibaba.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230416_231742_200371_213519C2 X-CRM114-Status: GOOD ( 10.27 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Changes since v2 addressing comments from Baolin: - remove redundant macro definitions - use dev_err to print error message - change pmu_is_register to boolean - use PLATFORM_DEVID_NONE macro - fix module author format Changes since v1: 1. address comments from Jonathan: - drop marco for PMU name and VSEC version - simplify code with PCI standard marco - simplify code with FIELD_PREP()/FIELD_GET() to replace shift marco - name register filed with single _ instead double - wrap dwc_pcie_pmu_{write}_dword out and drop meaningless snaity check - check vendor id while matching vesc with pci_find_vsec_capability() - remove RP_NUM_MAX and use a list to organize PMU devices for rootports - replace DWC_PCIE_CREATE_BDF with standard PCI_DEVID - comments on riping register together 2. address comments from Bjorn: - rename DWC_PCIE_VSEC_ID to DWC_PCIE_VSEC_RAS_DES_ID - rename cap_pos to ras_des - simplify declare of device_attribute with DEVICE_ATTR_RO - simplify code with PCI standard macro and API like pcie_get_width_cap() - fix some code style problem and typo - drop meaningless snaity check of container_of 3. address comments from Yicong: - use sysfs_emit() to replace sprintf() - simplify iteration of pci device with for_each_pci_dev - pick preferred CPUs on a near die and add comments - unregister PMU drivers only for failed ones - log on behalf PMU device and give more hint - fix some code style problem (Thanks for all comments and they are very valuable to me) This patchset adds the PCIe Performance Monitoring Unit (PMU) driver support for T-Head Yitian 710 SoC chip. Yitian 710 is based on the Synopsys PCI Express Core controller IP which provides statistics feature. Shuai Xue (3): docs: perf: Add description for Synopsys DesignWare PCIe PMU driver drivers/perf: add DesignWare PCIe PMU driver MAINTAINERS: add maintainers for DesignWare PCIe PMU driver .../admin-guide/perf/dwc_pcie_pmu.rst | 61 ++ Documentation/admin-guide/perf/index.rst | 1 + MAINTAINERS | 6 + drivers/perf/Kconfig | 7 + drivers/perf/Makefile | 1 + drivers/perf/dwc_pcie_pmu.c | 855 ++++++++++++++++++ 6 files changed, 931 insertions(+) create mode 100644 Documentation/admin-guide/perf/dwc_pcie_pmu.rst create mode 100644 drivers/perf/dwc_pcie_pmu.c -- 2.20.1.12.g72788fdb _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel