From patchwork Wed Apr 24 05:19:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vidya Sagar X-Patchwork-Id: 10914091 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E7A201575 for ; Wed, 24 Apr 2019 05:20:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D729028A4E for ; Wed, 24 Apr 2019 05:20:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CB6E528A50; Wed, 24 Apr 2019 05:20:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6999C28A4E for ; Wed, 24 Apr 2019 05:20:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=V9+i97pfMTiN+kdIbQViJHTBPSN07jAOtaP1XTQgY38=; b=dmb9X4fA7LJLkw XuSOBOP2U1vAoz6FyzB6bHWuhUG99LYh3frwwWylBvWjtf/+SGUdJHeQrlJleR0xQAepmn3VBe4+Q KNqEI4FK2f7dPt4AWUY2ZpEyfbDlfYzskhPnr0J0wYvd8BUmQOA0Jypnmk3thWGcEqzpUzhDHPKzU wvgg+fRxgv5baMhdFjeEcW4YY8gtfXrGmOMPPHo7cdOSFm9AfRGNWiTTJvKX114w1bGzHwkygwjif 9tt1LlVPeM8NZLGDvZP6fFczuIHakWXrU2JghbyRw4XtHLRoMPNuW7L6BYas3JEOTYYokRvmXipxx Kqc6YSvTpDx7fPS7Ri/g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hJAKc-0004Mb-Nj; Wed, 24 Apr 2019 05:20:30 +0000 Received: from hqemgate14.nvidia.com ([216.228.121.143]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hJAKZ-0004JE-8f for linux-arm-kernel@lists.infradead.org; Wed, 24 Apr 2019 05:20:28 +0000 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 23 Apr 2019 22:20:32 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Tue, 23 Apr 2019 22:20:26 -0700 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Tue, 23 Apr 2019 22:20:26 -0700 Received: from HQMAIL107.nvidia.com (172.20.187.13) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 24 Apr 2019 05:20:25 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Wed, 24 Apr 2019 05:20:25 +0000 Received: from vidyas-desktop.nvidia.com (Not Verified[10.24.37.38]) by hqnvemgw02.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Tue, 23 Apr 2019 22:20:25 -0700 From: Vidya Sagar To: , , , , , , , , , , Subject: [PATCH V5 01/16] PCI: Add #defines for some of PCIe spec r4.0 features Date: Wed, 24 Apr 2019 10:49:49 +0530 Message-ID: <20190424052004.6270-2-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190424052004.6270-1-vidyas@nvidia.com> References: <20190424052004.6270-1-vidyas@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1556083232; bh=wxJ5+q+g/kFpZR8p8vZjwPAwisePUDBAR1J9fMSkOWE=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=FDPIhd/6lZrSefreRnfl6TLul5tQfBCgGkPb4PtJkTN8xP3Tqk67UHXWVc2PFObK7 9Eom9Ych18uopwrHAsOZ+RnynxjnA9EZcrxssTQ9rPE2nHEuwf6BEsFeDd7icpYZ3f KgUIg7FD0kClibQgvZswGEeE1O/QN9feRo8sOl5woQY/qMcBfWYjxaOZmxfgVzTBIW ghXHiKNFK4ONxUTPYarbCXZS7Nroizut84KrRIULws0xdHHiG9vwnao0IGveH0fr12 asTNcdxboVHIyHa5Ptm2ZUfMJ2fgmohE5LQBDiCorR+D355bfZfhp6aCsf8F4i8ZzO cwhDRSKJeTinQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190423_222027_315363_8950AF15 X-CRM114-Status: UNSURE ( 8.57 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, mmaddireddy@nvidia.com, kthota@nvidia.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, mperttunen@nvidia.com, linux-tegra@vger.kernel.org, vidyas@nvidia.com, linux-arm-kernel@lists.infradead.org, sagar.tv@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add #defines only for the Data Link Feature and Physical Layer 16.0 GT/s features. Signed-off-by: Vidya Sagar Reviewed-by: Thierry Reding --- Changes from [v4]: * None Changes from [v3]: * None Changes from [v2]: * Updated commit message and description to explicitly mention that defines are added only for some of the features and not all. Changes from [v1]: * None include/uapi/linux/pci_regs.h | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index f7d3e7831fa8..4da04b1faab3 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -703,7 +703,9 @@ #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_MAX PCI_EXT_CAP_ID_PTM +#define PCI_EXT_CAP_ID_DLF 0x25 /* Data Link Feature */ +#define PCI_EXT_CAP_ID_PL 0x26 /* Physical Layer 16.0 GT/s */ +#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PL #define PCI_EXT_CAP_DSN_SIZEOF 12 #define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40 @@ -1043,4 +1045,22 @@ #define PCI_L1SS_CTL1_LTR_L12_TH_SCALE 0xe0000000 /* LTR_L1.2_THRESHOLD_Scale */ #define PCI_L1SS_CTL2 0x0c /* Control 2 Register */ +/* Data Link Feature */ +#define PCI_DLF_CAP 0x04 /* Capabilities Register */ +#define PCI_DLF_LOCAL_DLF_SUP_MASK 0x007fffff /* Local Data Link Feature Supported */ +#define PCI_DLF_EXCHANGE_ENABLE 0x80000000 /* Data Link Feature Exchange Enable */ +#define PCI_DLF_STS 0x08 /* Status Register */ +#define PCI_DLF_REMOTE_DLF_SUP_MASK 0x007fffff /* Remote Data Link Feature Supported */ +#define PCI_DLF_REMOTE_DLF_SUP_VALID 0x80000000 /* Remote Data Link Feature Support Valid */ + +/* Physical Layer 16.0 GT/s */ +#define PCI_PL_16GT_CAP 0x04 /* Capabilities Register */ +#define PCI_PL_16GT_CTRL 0x08 /* Control Register */ +#define PCI_PL_16GT_STS 0x0c /* Status Register */ +#define PCI_PL_16GT_LDPM_STS 0x10 /* Local Data Parity Mismatch Status Register */ +#define PCI_PL_16GT_FRDPM_STS 0x14 /* First Retimer Data Parity Mismatch Status Register */ +#define PCI_PL_16GT_SRDPM_STS 0x18 /* Second Retimer Data Parity Mismatch Status Register */ +#define PCI_PL_16GT_RSVD 0x1C /* Reserved */ +#define PCI_PL_16GT_LE_CTRL 0x20 /* Lane Equalization Control Register */ + #endif /* LINUX_PCI_REGS_H */