From patchwork Sun May 26 04:37:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vidya Sagar X-Patchwork-Id: 1105481 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nvidia.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nvidia.com header.i=@nvidia.com header.b="daYt7dk+"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45BS641sR3z9sB3 for ; Sun, 26 May 2019 14:38:20 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726348AbfEZEiH (ORCPT ); Sun, 26 May 2019 00:38:07 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:8040 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725825AbfEZEiH (ORCPT ); Sun, 26 May 2019 00:38:07 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Sat, 25 May 2019 21:38:06 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Sat, 25 May 2019 21:38:06 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Sat, 25 May 2019 21:38:06 -0700 Received: from HQMAIL104.nvidia.com (172.18.146.11) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Sun, 26 May 2019 04:38:06 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL104.nvidia.com (172.18.146.11) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Sun, 26 May 2019 04:38:06 +0000 Received: from vidyas-desktop.nvidia.com (Not Verified[10.24.37.38]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Sat, 25 May 2019 21:38:05 -0700 From: Vidya Sagar To: , , , , , , , , , , CC: , , , , , , , , , Subject: [PATCH V8 01/15] PCI: Add #defines for some of PCIe spec r4.0 features Date: Sun, 26 May 2019 10:07:37 +0530 Message-ID: <20190526043751.12729-2-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190526043751.12729-1-vidyas@nvidia.com> References: <20190526043751.12729-1-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=1558845486; bh=6OqsksLEekiW5YHySG7HwgOqnhauX5DndfUofPz4TcE=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=daYt7dk+vVt/+umN5uUC59nBtuO/TNmaeJNYcpluiJ6LCfi89iuhVc0N+2UdT9daj CtR5Ctn6N8Lbzm5pD/G1LeYH5M6MIqj/9p6aQ1Rk7GXMdQnpj4p54G61Leh89r9pLV 79qEXd09OuvISedw9H3aA/n+c+3ODGv9lMxM0LOEjCf5moqVh/wCM+ddTKrFj0Iun3 QvslSo6Psawtc2bQbE3xGhvJftNNwkitV/ED7WMGh2ZgxFa3FiUofMfGNz5wRvwFlz tpBO+r4ljLflnLAcJY1N9EkGlmAE8KIUuFl/BIMC97lk2g9swBF79hcwBQ52tIiKGc C30RK9wTWy1+A== Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org 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 since [v7]: * None Changes since [v6]: * None Changes since [v5]: * None Changes since [v4]: * None Changes since [v3]: * None Changes since [v2]: * Updated commit message and description to explicitly mention that defines are added only for some of the features and not all. Changes since [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 27164769d184..95a1eeb22f49 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -709,7 +709,9 @@ #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 @@ -1049,4 +1051,22 @@ #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 */