From patchwork Fri Jul 1 08:54:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 1651076 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=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4LZ8Ct1nwTz9ryY for ; Fri, 1 Jul 2022 18:55:06 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234863AbiGAIzE (ORCPT ); Fri, 1 Jul 2022 04:55:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234895AbiGAIzB (ORCPT ); Fri, 1 Jul 2022 04:55:01 -0400 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 9625617AB2; Fri, 1 Jul 2022 01:54:59 -0700 (PDT) X-IronPort-AV: E=Sophos;i="5.92,236,1650898800"; d="scan'208";a="126337061" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 01 Jul 2022 17:54:59 +0900 Received: from localhost.localdomain (unknown [10.166.15.32]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id D2E3C43E0092; Fri, 1 Jul 2022 17:54:58 +0900 (JST) From: Yoshihiro Shimoda To: lpieralisi@kernel.org, robh+dt@kernel.org, kw@linux.com, bhelgaas@google.com, krzk+dt@kernel.org, geert+renesas@glider.be, magnus.damm@gmail.com Cc: marek.vasut+renesas@gmail.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Yoshihiro Shimoda Subject: [PATCH v3 01/13] PCI: Add PCI_EXP_LNKCAP_MLW macros Date: Fri, 1 Jul 2022 17:54:08 +0900 Message-Id: <20220701085420.870306-2-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220701085420.870306-1-yoshihiro.shimoda.uh@renesas.com> References: <20220701085420.870306-1-yoshihiro.shimoda.uh@renesas.com> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,KHOP_HELO_FCRDNS, SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Add macros defining Maximum Link Width bits in Link Capabilities Register. Signed-off-by: Yoshihiro Shimoda --- include/uapi/linux/pci_regs.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index 108f8523fa04..c619b108df06 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -538,6 +538,13 @@ #define PCI_EXP_LNKCAP_SLS_16_0GB 0x00000004 /* LNKCAP2 SLS Vector bit 3 */ #define PCI_EXP_LNKCAP_SLS_32_0GB 0x00000005 /* LNKCAP2 SLS Vector bit 4 */ #define PCI_EXP_LNKCAP_SLS_64_0GB 0x00000006 /* LNKCAP2 SLS Vector bit 5 */ +#define PCI_EXP_LNKCAP_MLW_X1 0x00000010 /* Maximum Link Width x1 */ +#define PCI_EXP_LNKCAP_MLW_X2 0x00000020 /* Maximum Link Width x2 */ +#define PCI_EXP_LNKCAP_MLW_X4 0x00000040 /* Maximum Link Width x4 */ +#define PCI_EXP_LNKCAP_MLW_X8 0x00000080 /* Maximum Link Width x8 */ +#define PCI_EXP_LNKCAP_MLW_X12 0x000000c0 /* Maximum Link Width x12 */ +#define PCI_EXP_LNKCAP_MLW_X16 0x00000100 /* Maximum Link Width x16 */ +#define PCI_EXP_LNKCAP_MLW_X32 0x00000200 /* Maximum Link Width x32 */ #define PCI_EXP_LNKCAP_MLW 0x000003f0 /* Maximum Link Width */ #define PCI_EXP_LNKCAP_ASPMS 0x00000c00 /* ASPM Support */ #define PCI_EXP_LNKCAP_ASPM_L0S 0x00000400 /* ASPM L0s Support */