From patchwork Thu Oct 29 01:44:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "David E. Box" X-Patchwork-Id: 1389754 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CM7Yh59ZMz9sSn for ; Thu, 29 Oct 2020 12:45:28 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729131AbgJ2BpN (ORCPT ); Wed, 28 Oct 2020 21:45:13 -0400 Received: from mga12.intel.com ([192.55.52.136]:8360 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729123AbgJ2Bo0 (ORCPT ); Wed, 28 Oct 2020 21:44:26 -0400 IronPort-SDR: XzSyplV6kRbKGHgllaD0fWN5BzHnLUrCUNuS3sR4lkWrc0G0JOgSyr68DM/sEcYvN/M0vXnvfg o8856aKlGfdg== X-IronPort-AV: E=McAfee;i="6000,8403,9788"; a="147646386" X-IronPort-AV: E=Sophos;i="5.77,428,1596524400"; d="scan'208";a="147646386" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2020 18:44:26 -0700 IronPort-SDR: PIakEaBSVpZbZRy6CrFqIHsiXJIctGSOyPZR8kMkUSq4yEA+8Js7xYGRpehOSyH/xelWnBUA5q KfXiIPhUKUzA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,428,1596524400"; d="scan'208";a="424907062" Received: from linux.intel.com ([10.54.29.200]) by fmsmga001.fm.intel.com with ESMTP; 28 Oct 2020 18:44:26 -0700 Received: from debox1-desk2.jf.intel.com (debox1-desk2.jf.intel.com [10.54.75.16]) by linux.intel.com (Postfix) with ESMTP id 4548D580898; Wed, 28 Oct 2020 18:44:26 -0700 (PDT) From: "David E. Box" To: lee.jones@linaro.org, david.e.box@linux.intel.com, hdegoede@redhat.com, mgross@linux.intel.com, bhelgaas@google.com, alexey.budankov@linux.intel.com Cc: linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-pci@vger.kernel.org, Andy Shevchenko Subject: [PATCH V9 1/5] PCI: Add defines for Designated Vendor-Specific Extended Capability Date: Wed, 28 Oct 2020 18:44:45 -0700 Message-Id: <20201029014449.14955-2-david.e.box@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201029014449.14955-1-david.e.box@linux.intel.com> References: <20201029014449.14955-1-david.e.box@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Add PCIe Designated Vendor-Specific Extended Capability (DVSEC) and defines for the header offsets. Defined in PCIe r5.0, sec 7.9.6. Signed-off-by: David E. Box Acked-by: Bjorn Helgaas Reviewed-by: Andy Shevchenko --- Changes from V8: - None include/uapi/linux/pci_regs.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index a95d55f9f257..8f8bd2318c6c 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -723,6 +723,7 @@ #define PCI_EXT_CAP_ID_DPC 0x1D /* Downstream Port Containment */ #define PCI_EXT_CAP_ID_L1SS 0x1E /* L1 PM Substates */ #define PCI_EXT_CAP_ID_PTM 0x1F /* Precision Time Measurement */ +#define PCI_EXT_CAP_ID_DVSEC 0x23 /* Designated Vendor-Specific */ #define PCI_EXT_CAP_ID_DLF 0x25 /* Data Link Feature */ #define PCI_EXT_CAP_ID_PL_16GT 0x26 /* Physical Layer 16.0 GT/s */ #define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PL_16GT @@ -1066,6 +1067,10 @@ #define PCI_L1SS_CTL1_LTR_L12_TH_SCALE 0xe0000000 /* LTR_L1.2_THRESHOLD_Scale */ #define PCI_L1SS_CTL2 0x0c /* Control 2 Register */ +/* Designated Vendor-Specific (DVSEC, PCI_EXT_CAP_ID_DVSEC) */ +#define PCI_DVSEC_HEADER1 0x4 /* Designated Vendor-Specific Header1 */ +#define PCI_DVSEC_HEADER2 0x8 /* Designated Vendor-Specific Header2 */ + /* Data Link Feature */ #define PCI_DLF_CAP 0x04 /* Capabilities Register */ #define PCI_DLF_EXCHANGE_ENABLE 0x80000000 /* Data Link Feature Exchange Enable */