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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 EF731C4363D for ; Fri, 2 Oct 2020 18:48:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B7D6120795 for ; Fri, 2 Oct 2020 18:48:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388365AbgJBSr7 (ORCPT ); Fri, 2 Oct 2020 14:47:59 -0400 Received: from out1-smtp.messagingengine.com ([66.111.4.25]:44409 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725991AbgJBSry (ORCPT ); Fri, 2 Oct 2020 14:47:54 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 8AD005C0114; Fri, 2 Oct 2020 14:47:53 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute4.internal (MEProxy); Fri, 02 Oct 2020 14:47:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= oregontracks.org; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; s=fm1; bh=sXU2mMj241EpiiCcqsuur0tkuJtqxuKBseWszyh/a9c=; b=gBblj ySLx6V5DKR0N39C4frpz8GVRPpqXtM5UiLCooTmLbfheHdNYEwRiHx19vHT6bRhd N5FY2tTHfOhyT8zIk16RrScsw4qN63dxjWMfHJyKuDHcmE3kFaLyzkueRoxA3q1k YW8g8c9SLnEZQfRJ5wPokcRyWmVDS64E97L1eSXXYGv/KzgEalTEkesTXXvDmffC KqtKLkyMHs0A81/8toXL+azvTdIZHcjtDm/ag34oM+m4i4gd+TAwhYrAYcVtZNcb WU9ofVA0C5IyF0dAKsJk/A0Jc+7eCpxnqtOuFrXdR8VA7gbTfTFEn+OXn+gYedEX SIYXVYw7rvhHpYNww== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=sXU2mMj241EpiiCcqsuur0tkuJtqxuKBseWszyh/a9c=; b=LeWF0jhD 9dzRysunuM7s/QL/lrhO90ONjmyYSAQJMlROy0ohSv2L9prV6mPN87gLvxZ7SHwc WzIMopBWTm/cRJJWQW/Ee4U0l1cc6ktt0dMIANMhYKZengx0nHOcfbL2HsVZk6wH tw+874QL80s+ok7Xu6ymRxB/45150gdUsAC0bs5FVrRL5zsGLolYBDzuw8xPV5xP k2KkUtgrUCzMqGj9dWuY9ll1PXEVwe68ku3nb6yucbvK0qRpKo0MgagheEO7L2BE UNrVPTjEN0yGT8Bv5Xtd3fiC9iqWwMiV1PgOC9tb9YJKyFsgAQHxIyuL51ToDvZh Xa064ANLJHWTqg== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedrfeeigdduvdekucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomhepufgvrghnucggucfmvghllhgvhicuoehsvggrnhhvkhdruggv vhesohhrvghgohhnthhrrggtkhhsrdhorhhgqeenucggtffrrghtthgvrhhnpeehkeffte eiudeiffelkeelvefftdelhfeitdeigeffleeufedvgfegvdefvedtteenucfkphepvdeg rddvtddrudegkedrgeelnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrg hilhhfrhhomhepshgvrghnvhhkrdguvghvsehorhgvghhonhhtrhgrtghkshdrohhrgh X-ME-Proxy: Received: from arch-ashland-svkelley.hsd1.or.comcast.net (c-24-20-148-49.hsd1.or.comcast.net [24.20.148.49]) by mail.messagingengine.com (Postfix) with ESMTPA id B985A3064686; Fri, 2 Oct 2020 14:47:51 -0400 (EDT) From: Sean V Kelley To: bhelgaas@google.com, Jonathan.Cameron@huawei.com, rafael.j.wysocki@intel.com, ashok.raj@intel.com, tony.luck@intel.com, sathyanarayanan.kuppuswamy@intel.com, qiuxu.zhuo@intel.com Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 01/14] PCI/RCEC: Add RCEC class code and extended capability Date: Fri, 2 Oct 2020 11:47:22 -0700 Message-Id: <20201002184735.1229220-2-seanvk.dev@oregontracks.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201002184735.1229220-1-seanvk.dev@oregontracks.org> References: <20201002184735.1229220-1-seanvk.dev@oregontracks.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Qiuxu Zhuo A PCIe Root Complex Event Collector (RCEC) has the base class 0x08, sub-class 0x07, and programming interface 0x00. Add the class code 0x0807 to identify RCEC devices and add the defines for the RCEC Endpoint Association Extended Capability. See PCI Express Base Specification, version 5.0-1, section "1.3.4 Root Complex Event Collector" and section "7.9.10 Root Complex Event Collector Endpoint Association Extended Capability" Signed-off-by: Qiuxu Zhuo Reviewed-by: Jonathan Cameron --- include/linux/pci_ids.h | 1 + include/uapi/linux/pci_regs.h | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 1ab1e24bcbce..d8156a5dbee8 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -81,6 +81,7 @@ #define PCI_CLASS_SYSTEM_RTC 0x0803 #define PCI_CLASS_SYSTEM_PCI_HOTPLUG 0x0804 #define PCI_CLASS_SYSTEM_SDHCI 0x0805 +#define PCI_CLASS_SYSTEM_RCEC 0x0807 #define PCI_CLASS_SYSTEM_OTHER 0x0880 #define PCI_BASE_CLASS_INPUT 0x09 diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index f9701410d3b5..f335f65f65d6 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -828,6 +828,13 @@ #define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */ #define PCI_EXT_CAP_PWR_SIZEOF 16 +/* Root Complex Event Collector Endpoint Association */ +#define PCI_RCEC_RCIEP_BITMAP 4 /* Associated Bitmap for RCiEPs */ +#define PCI_RCEC_BUSN 8 /* RCEC Associated Bus Numbers */ +#define PCI_RCEC_BUSN_REG_VER 0x02 /* Least capability version that BUSN present */ +#define PCI_RCEC_BUSN_NEXT(x) (((x) >> 8) & 0xff) +#define PCI_RCEC_BUSN_LAST(x) (((x) >> 16) & 0xff) + /* Vendor-Specific (VSEC, PCI_EXT_CAP_ID_VNDR) */ #define PCI_VNDR_HEADER 4 /* Vendor-Specific Header */ #define PCI_VNDR_HEADER_ID(x) ((x) & 0xffff) -- 2.28.0