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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42E8BC433FE for ; Fri, 22 Apr 2022 02:48:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1443611AbiDVCvE (ORCPT ); Thu, 21 Apr 2022 22:51:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1443586AbiDVCuz (ORCPT ); Thu, 21 Apr 2022 22:50:55 -0400 Received: from NAM11-CO1-obe.outbound.protection.outlook.com (mail-co1nam11on2121.outbound.protection.outlook.com [40.107.220.121]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1763E4CD65; Thu, 21 Apr 2022 19:48:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=XLF+j3AvPaLf0xjAlBTynhX17EdEKoYOwfvD99910uZUTrFARYCbb08h0ioxXACCHlTzMMWW1Vin0MVga8fw4CAbXqPeTGO15PsAY3aNPJjPTzrtv7h7KdyFo3HoBLhKXevfdVO3jrXwfM8AeIvIs6+caGkV8gOOXxlTE7iyLD7d6WyWiYGY1mimMfcto5tLjy6Ls4pXd/6x4xNxATEfY28x/NXv6anifr5mibeCvtAI8WQlb0NAnaRp+MrmbR3eOeEUtPdFuuDLRs2Sh1NPIxF6c4cWnEUpECXY3v+0GLHLZoLknZ2IBwG4g7VmaaAFj4TTF2aR+xr1UFyfQk1gAA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=XKW3tX2irOcFfd4A5C7Ny+p3TT6LDPyX3IvlKuTfscE=; b=Nfc/CP2RxH+95XB2fUUvGyeKX+ApKyjFOQAx9SZOMp1xENP9x8eW0asQT3x2We+1jz6fPtu/ll+xt63mdnpANrUa+A9my44erbklK7PRNRmBgPb339Cm3/eYbYywQKS32aJqdNFrRVxImTX1AgFER3sFihvROicz1mg0NLMoFTusySB2sObNbRrtqi8+3JCQMokjjesgbVVVyZBmdAAnnRSEheJ0wZgNRCi4pFMXNVgGsfeWvNhy1MAqQVqsV3ap+ZxDwfcKQ5cWe4rmftVaHDsXUgTy4dNEWhhPIoF1fO/Ch5/HM1PDDcpyuE4AFEhOn/AxrJU32i0SnVXjjWCimA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=os.amperecomputing.com; dmarc=pass action=none header.from=os.amperecomputing.com; dkim=pass header.d=os.amperecomputing.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=os.amperecomputing.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=XKW3tX2irOcFfd4A5C7Ny+p3TT6LDPyX3IvlKuTfscE=; b=FUkr77BdWxHs9h/HvobKJJGcapNlw7LiNoxgfhCQBsQ/9o1bvCFqMDEDkVbbU8gELaSfw8lXFvOvHUTfbmk3YOyU6he3XC7+2Ln+88k/e5BzPei8yQwitelu1WXMv5eypEc++LP0cAcodvI4wYCoRfsKssYlCfqnO4Wxz8DuJUU= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=os.amperecomputing.com; Received: from SJ0PR01MB7282.prod.exchangelabs.com (2603:10b6:a03:3f2::24) by SN6PR01MB4653.prod.exchangelabs.com (2603:10b6:805:cc::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5186.15; Fri, 22 Apr 2022 02:47:58 +0000 Received: from SJ0PR01MB7282.prod.exchangelabs.com ([fe80::319b:4612:e6f4:f22c]) by SJ0PR01MB7282.prod.exchangelabs.com ([fe80::319b:4612:e6f4:f22c%3]) with mapi id 15.20.5186.015; Fri, 22 Apr 2022 02:47:58 +0000 From: Quan Nguyen To: Lee Jones , Rob Herring , Krzysztof Kozlowski , Jean Delvare , Guenter Roeck , Jonathan Corbet , Derek Kiernan , Dragan Cvetic , Arnd Bergmann , Greg Kroah-Hartman , Quan Nguyen , Thu Nguyen , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-doc@vger.kernel.org, OpenBMC Maillist Cc: Open Source Submission , Phong Vo , "Thang Q . Nguyen" Subject: [PATCH v8 9/9] docs: ABI: testing: Document the Ampere Altra Family's SMpro sysfs interfaces Date: Fri, 22 Apr 2022 09:46:53 +0700 Message-Id: <20220422024653.2199489-10-quan@os.amperecomputing.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220422024653.2199489-1-quan@os.amperecomputing.com> References: <20220422024653.2199489-1-quan@os.amperecomputing.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SG2P153CA0023.APCP153.PROD.OUTLOOK.COM (2603:1096:4:c7::10) To SJ0PR01MB7282.prod.exchangelabs.com (2603:10b6:a03:3f2::24) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 0858b4ab-b3e5-40ba-54d9-08da240a8245 X-MS-TrafficTypeDiagnostic: SN6PR01MB4653:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: MbST7Z0rpWJ/O+Ka059B+jWZ1bDf1tLtlL+R9X0bVM/0nTakGLPdlyVE2RQi9+Y8uVXgjuWgStXXtMuiU16RIbeFOZ8UUWMeIjPG6b244Y3oP89V/qgQ1bPMppKZ4+IJEnycNcvdbuXE5RYG5+yoMvzjDhFny2DDIGr1tEO5SuujN46SnTdQky+RmnrAc+m544EpZVr386jH2mnm6XA4tNrsKLFHLbaGq2uqUmqsNl4UOQEQnX2Kkh9zSwC7jrMPf7ZJw+SO94NLeqZBN6VQK3EQZrBqGhvDkFpFWru4kY/2/SSzpo5KjKVco++WWJAhR4FwuIViH1IJwPx0JAoece9MVTvQwJTvcBZSa8lM1Eicz1Tj1LUmccmNropmr9dKOw1bJ/AqNMSGdTBxtOUkffjWWa5F/e1t5CdwNN8jGStmBukHurK39RRmvnUWxUvB+E2VgX4wNYgpWrHGbRhSNeWV74kWqgYzFAar8bT9/GktrVgjTd3dlVb0gCZWAXGio4iXItOsGS0Ws0fo9DydIYYZQr4/BapYjk/0zZLRzX8HBwQCHCFcu7GFYGzIsNGfZCpZkiOjt2eqRSFKOef5a8outjtrrLCpiCkahnN164R0BoWMwokY4UH6ubA3q3HRKwbLKYXLQVidFQM6f0PHWSpaW9I04rOnw5UAvuR8+CAySfa42YepdMPs3Z8tHKPob161GTRXya3QojsJbMYqBooWKIPNHfYpv/E+LiBE5Lo= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SJ0PR01MB7282.prod.exchangelabs.com;PTR:;CAT:NONE;SFS:(13230001)(4636009)(366004)(6486002)(6506007)(6512007)(508600001)(54906003)(8936002)(7416002)(66946007)(66476007)(107886003)(8676002)(316002)(110136005)(2616005)(1076003)(6666004)(66556008)(52116002)(186003)(26005)(86362001)(2906002)(5660300002)(921005)(83380400001)(4326008)(38350700002)(38100700002);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?JKxtAaoYVY8LRLued8o3R8S6NDPNYLOHuP118n4MS2PTFgjbkE+RaQhF2I4C?= =?us-ascii?Q?7U1aU3fPXiGeG/jg9VoECEiSfXTpc/bmQkIkouiut25+4rOYteQBuXLHl79x?= =?us-ascii?Q?7T2t6Bl44LVoY3Fz4HJW7AgxMhvnhCWiJjczs0yhRub/piDvrQKhZNqL4xeO?= =?us-ascii?Q?nYgavSO7Q2OgYramgHdbj/IB9UfdHYrFoJwVoyIWuGLObcLbW+nE6wzjXL2Z?= =?us-ascii?Q?qW1re7/Tq/mbZnx1poSPzqPijCIF2quL1ZAbbhJ+KR6n405NnjoeaQClcgAF?= =?us-ascii?Q?fOtmXEr58aR3+1s6ShBAEbMNsUNhXS4MeyeeyTEMSAaEbSuldL7A9kym+C0L?= =?us-ascii?Q?Fy3Lef2WeT1ShmYzaanblYDGxIpYxME0Bjiua/RRAkShlmpHFkLfTnzwuuKS?= =?us-ascii?Q?loGB8bQ//f2tNxHsKkJJRAAnI9v9iGwwYyygTW04csZ4nu0zqS/oS3ChRyba?= =?us-ascii?Q?vMF9TQAdW308eSI08lYfLq0wzmvFKXVXRiMGzbYG1oo9ws5kx7rIgwKRUPPS?= =?us-ascii?Q?dZidovry3IRDuOcqaD/boKJeBicTElNXLZ/eiCmOFrsHaKyRsFwdhQr/933a?= =?us-ascii?Q?yoLcpXKeIc4qEIMAt+YvCoFaOizKO1WMLq+DCXOHXplATtj9dEdgONRBiFh4?= =?us-ascii?Q?H9y7aMuZEp5kc5b8r9Pt2ZrYcTHRGhz22VVXOvHe+qRTwbQu5BCuVixb5FDe?= =?us-ascii?Q?XXaINIo3A+lw+6hAW3anPy5ASU5F2KgKToWqkvCm+Q6tXxsqla8hLv9OjmLq?= =?us-ascii?Q?5i7GafOwmsu//aAXZWEFFoGSGJd3sBJiyldL6DL5PPNAmCQ8YfNT02V+6ghv?= =?us-ascii?Q?aFeC2IyO2x5aygsOsg61lRzCOg+nfUnQ9999erTFONpseGhzV0F48Dv+arlJ?= =?us-ascii?Q?jAvOiNAzbtGhJrsLUovU8suaFBH+yTIg0lFzdJIHsQ6CGJ0b+wwHVIzqUiPM?= =?us-ascii?Q?lsq40xZDi4r/H2E5bLhJSThJLvi/a5hcCrcCmL/M6EHPA6ykD/wU2Llr03VH?= =?us-ascii?Q?ZcRLLZqYeVDzdAsvdpxBfS0usaLNgwqeCqePhm8k0nkJj5rYS41Yg3XH3roS?= =?us-ascii?Q?wFztjS7lcPC7prjqDCTJNUBWEsKVQkMaUjerel1rzZvbkOkLSFUSbw1iSpgB?= =?us-ascii?Q?6ZilIxfOU8caCjZbdWzpm9YvdgjugBWTD36JYwtuFi0VUyI98r/30bhCGNpn?= =?us-ascii?Q?gIoIKjWxmYQcRbbmdjmoMqljy9o0Y5eCuwN6J2krDAikD5RVMN/tjExjwDue?= =?us-ascii?Q?mDQMSqzFWGla10P3w8RShCZEZTAYjpvE1c/ISk0jUsu03NbOZ6OcQiyM1lH/?= =?us-ascii?Q?QiteU5tam9Ll5PX7JuJzD9NiK4Pugn6AzHO7o7LbNrTZVDAZMlFQMyFVvi2V?= =?us-ascii?Q?/+Bj8BCiXfz5MlDsVHWfGy2Uls4Rwp6SlaTod/aBcSRe8YxI7/zMOQJmjjxq?= =?us-ascii?Q?s7tpD1VoU2uJcq2gDQAod7mlefPXnq1kroKM0bc4Odp8LGWJzcH3KGZLAbKq?= =?us-ascii?Q?tlcb5KlnoXX13zip3zPelaxn8ZbeISdwUg+k920g3vD+gdb0GZUJxAkqh26y?= =?us-ascii?Q?pQMDISlknde/NVnQm0ptAU09+VzEIJSwE2pzU0pWmyioZ8CPR3qW8ujIQgwG?= =?us-ascii?Q?yAGDLdhh1QWFAnKFRmycaskDmKz8iIUq7t95Y+4dxOh45pY1eCAsBhRi8Icm?= =?us-ascii?Q?QubEa3jFH6ekiM4rE+YIi5YOEoKdBpUiS+3cLIFce3P1wWOPNFT6H605sMlM?= =?us-ascii?Q?8QrOlXC6FMgYaBqAUtwsXzqpRxdsIOfBnkK5O/8AilhtnysQ1H+d?= X-OriginatorOrg: os.amperecomputing.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0858b4ab-b3e5-40ba-54d9-08da240a8245 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR01MB7282.prod.exchangelabs.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Apr 2022 02:47:58.3326 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3bc2b170-fd94-476d-b0ce-4229bdc904a7 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 6Dmkw7r0STh8G6q5IXY2gdeV17IccBj8GRGLWTKSuMt1kk09mNSgl5y6LplQ+GRzCxgwDWMCI8nWgqOkq9JfHQ8QoXuCE7vn09pffEnTpH8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR01MB4653 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Add documentation for the Ampere(R)'s Altra(R) SMpro sysfs interfaces Signed-off-by: Quan Nguyen --- Changes in v8: + Sysfs to return single value in hex format [Greg] + Fix KernelVersion info [Greg] + Change errors_* to error_* [Quan] + Added overflow_[core|mem|pcie|other]_[ce|ue] [Quan] Changes in v7: + First introduce in v7 [Greg] .../sysfs-bus-platform-devices-ampere-smpro | 157 ++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro diff --git a/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro b/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro new file mode 100644 index 000000000000..41edab6c3e28 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro @@ -0,0 +1,157 @@ +What: /sys/bus/platform/devices/smpro-errmon.*/error_[core|mem|pcie|other]_[ce|ue] +KernelVersion: 5.18 +Contact: quan@os.amperecomputing.com +Description: + (RO) Contains the 48-byte Ampere (Vendor-Specific) Error Record, see [1], + printed in hex format as below: + + AABBCCCCDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD\ + DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD + Where: + AA : Error Type + BB : Subtype + CCCC : Instance + DDD...DDD: 44-byte value similar to the Arm RAS standard error record + + See [1] below for the format details. + + The detail of each sysfs entries is as below: + +-------------+---------------------------------------------------------+ + | Error | Sysfs entry | + +-------------+---------------------------------------------------------+ + | Core's CE | /sys/bus/platform/devices/smpro-errmon.*/error_core_ce | + | Core's UE | /sys/bus/platform/devices/smpro-errmon.*/error_core_ue | + | Memory's CE | /sys/bus/platform/devices/smpro-errmon.*/error_mem_ce | + | Memory's UE | /sys/bus/platform/devices/smpro-errmon.*/error_mem_ue | + | PCIe's CE | /sys/bus/platform/devices/smpro-errmon.*/error_pcie_ce | + | PCIe's UE | /sys/bus/platform/devices/smpro-errmon.*/error_pcie_ue | + | Other's CE | /sys/bus/platform/devices/smpro-errmon.*/error_other_ce| + | Other's UE | /sys/bus/platform/devices/smpro-errmon.*/error_other_ue| + +-------------+---------------------------------------------------------+ + UE: Uncorrect-able Error + CE: Correct-able Error + + [1] Section 3.3 Ampere (Vendor-Specific) Error Record Formats, + Altra Family RAS Supplement. + + +What: /sys/bus/platform/devices/smpro-errmon.*/overflow_[core|mem|pcie|other]_[ce|ue] +KernelVersion: 5.18 +Contact: quan@os.amperecomputing.com +Description: + (RO) Return the overflow status of each type HW error reported: + 0 : No overflow + 1 : There is an overflow and the oldest HW errors are dropped + + The detail of each sysfs entries is as below: + +-------------+-----------------------------------------------------------+ + | Overflow | Sysfs entry | + +-------------+-----------------------------------------------------------+ + | Core's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_core_ce | + | Core's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_core_ue | + | Memory's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_mem_ce | + | Memory's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_mem_ue | + | PCIe's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_pcie_ce | + | PCIe's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_pcie_ue | + | Other's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_other_ce| + | Other's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_other_ue| + +-------------+-----------------------------------------------------------+ + UE: Uncorrect-able Error + CE: Correct-able Error + +What: /sys/bus/platform/devices/smpro-errmon.*/error_[smpro|pmpro] +KernelVersion: 5.18 +Contact: quan@os.amperecomputing.com +Description: + (RO) Contains the internal firmware error record printed as hex format + as below: + + ABBCDDEEEEFFFFFFFF + Where: + A : Firmware Error Type + 1: Warning + 2: Error + 4: Error with data + BB : Firmware Image Code (8-bit value) + C : Direction: + 0: Enter + 1: Exit + DD : Location, firmware module location code (8-bit value) + EEEE : Error Code, firmware Error Code (16-bit value) + FFFFFFFF: Extensive data (32-bit value) + + Example: + root@mtjade:~# cat /sys/bus/platform/devices/smpro-errmon.1.auto/error_smpro + 109008000a00000000 + + The detail of each sysfs entries is as below: + +-------------+-------------------------------------------------------+ + | Error | Sysfs entry | + +-------------+-------------------------------------------------------+ + | SMpro error | /sys/bus/platform/devices/smpro-errmon.*/error_smpro | + | PMpro error | /sys/bus/platform/devices/smpro-errmon.*/error_pmpro | + +-------------+-------------------------------------------------------+ + See more details in section 5.10 RAS Internal Error Register Definitions, + Altra Family Soc BMC Interface Specification. + + +What: /sys/bus/platform/devices/smpro-errmon.*/event_[vrd_warn_fault|vrd_hot|dimm_hot] +KernelVersion: 5.18 +Contact: quan@os.amperecomputing.com +Description: + (RO) Contains the detail information in case of VRD/DIMM warning/hot events + in hex format as below: + + AABBBB + Where: + AA : The event channel + 00: VRD Warning Fault + 01: VRD Hot + 02: DIMM host + BBBB: The event detail information data + + See more details in section 5.7 GPI Status Registers, + Altra Family Soc BMC Interface Specification. + + +What: /sys/bus/platform/devices/smpro-misc.*/boot_progress +KernelVersion: 5.18 +Contact: quan@os.amperecomputing.com +Description: + (RO) Contains the boot stages information in hex as format below: + + AABBCCCCCCCC + Where: + AA : The boot stages + 00: SMpro firmware booting + 01: PMpro firmware booting + 02: ATF BL1 firmware booting + 03: DDR initialization + 04: DDR training report status + 05: ATF BL2 firmware booting + 06: ATF BL31 firmware booting + 07: ATF BL32 firmware booting + 08: UEFI firmware booting + 09: OS booting + BB : Boot status + 00: Not started + 01: Started + 02: Completed without error + 03: Failed. + CCCCCCCC: Boot status information defined for each boot stages + + See more details in section 5.11 Boot Stage Register Definitions, + and section 6. Processor Boot Progress Codes, Altra Family Soc BMC + Interface Specification. + + +What: /sys/bus/platform/devices/smpro-misc*/soc_power_limit +KernelVersion: 5.18 +Contact: quan@os.amperecomputing.com +Description: + (RW) Contains the desired SoC power limit in Watt. + Writes to this sysfs set the desired SoC power limit (W). + Reads from this register return the current SoC power limit (W). + The value ranges: + Minimum: 120 W + Maximum: Socket TDP power -- 2.35.1 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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9E6B7C433F5 for ; Fri, 22 Apr 2022 02:55:43 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4KkzYV11Cgz3bbB for ; Fri, 22 Apr 2022 12:55:42 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=os.amperecomputing.com header.i=@os.amperecomputing.com header.a=rsa-sha256 header.s=selector2 header.b=FUkr77Bd; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=os.amperecomputing.com (client-ip=2a01:111:f400:7eae::719; helo=nam11-bn8-obe.outbound.protection.outlook.com; envelope-from=quan@os.amperecomputing.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=os.amperecomputing.com header.i=@os.amperecomputing.com header.a=rsa-sha256 header.s=selector2 header.b=FUkr77Bd; dkim-atps=neutral Received: from NAM11-BN8-obe.outbound.protection.outlook.com (mail-bn8nam11on20719.outbound.protection.outlook.com [IPv6:2a01:111:f400:7eae::719]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4KkzNh2Y5jz3bXw for ; Fri, 22 Apr 2022 12:48:04 +1000 (AEST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=XLF+j3AvPaLf0xjAlBTynhX17EdEKoYOwfvD99910uZUTrFARYCbb08h0ioxXACCHlTzMMWW1Vin0MVga8fw4CAbXqPeTGO15PsAY3aNPJjPTzrtv7h7KdyFo3HoBLhKXevfdVO3jrXwfM8AeIvIs6+caGkV8gOOXxlTE7iyLD7d6WyWiYGY1mimMfcto5tLjy6Ls4pXd/6x4xNxATEfY28x/NXv6anifr5mibeCvtAI8WQlb0NAnaRp+MrmbR3eOeEUtPdFuuDLRs2Sh1NPIxF6c4cWnEUpECXY3v+0GLHLZoLknZ2IBwG4g7VmaaAFj4TTF2aR+xr1UFyfQk1gAA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=XKW3tX2irOcFfd4A5C7Ny+p3TT6LDPyX3IvlKuTfscE=; b=Nfc/CP2RxH+95XB2fUUvGyeKX+ApKyjFOQAx9SZOMp1xENP9x8eW0asQT3x2We+1jz6fPtu/ll+xt63mdnpANrUa+A9my44erbklK7PRNRmBgPb339Cm3/eYbYywQKS32aJqdNFrRVxImTX1AgFER3sFihvROicz1mg0NLMoFTusySB2sObNbRrtqi8+3JCQMokjjesgbVVVyZBmdAAnnRSEheJ0wZgNRCi4pFMXNVgGsfeWvNhy1MAqQVqsV3ap+ZxDwfcKQ5cWe4rmftVaHDsXUgTy4dNEWhhPIoF1fO/Ch5/HM1PDDcpyuE4AFEhOn/AxrJU32i0SnVXjjWCimA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=os.amperecomputing.com; dmarc=pass action=none header.from=os.amperecomputing.com; dkim=pass header.d=os.amperecomputing.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=os.amperecomputing.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=XKW3tX2irOcFfd4A5C7Ny+p3TT6LDPyX3IvlKuTfscE=; b=FUkr77BdWxHs9h/HvobKJJGcapNlw7LiNoxgfhCQBsQ/9o1bvCFqMDEDkVbbU8gELaSfw8lXFvOvHUTfbmk3YOyU6he3XC7+2Ln+88k/e5BzPei8yQwitelu1WXMv5eypEc++LP0cAcodvI4wYCoRfsKssYlCfqnO4Wxz8DuJUU= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=os.amperecomputing.com; Received: from SJ0PR01MB7282.prod.exchangelabs.com (2603:10b6:a03:3f2::24) by SN6PR01MB4653.prod.exchangelabs.com (2603:10b6:805:cc::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5186.15; Fri, 22 Apr 2022 02:47:58 +0000 Received: from SJ0PR01MB7282.prod.exchangelabs.com ([fe80::319b:4612:e6f4:f22c]) by SJ0PR01MB7282.prod.exchangelabs.com ([fe80::319b:4612:e6f4:f22c%3]) with mapi id 15.20.5186.015; Fri, 22 Apr 2022 02:47:58 +0000 From: Quan Nguyen To: Lee Jones , Rob Herring , Krzysztof Kozlowski , Jean Delvare , Guenter Roeck , Jonathan Corbet , Derek Kiernan , Dragan Cvetic , Arnd Bergmann , Greg Kroah-Hartman , Quan Nguyen , Thu Nguyen , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-doc@vger.kernel.org, OpenBMC Maillist Subject: [PATCH v8 9/9] docs: ABI: testing: Document the Ampere Altra Family's SMpro sysfs interfaces Date: Fri, 22 Apr 2022 09:46:53 +0700 Message-Id: <20220422024653.2199489-10-quan@os.amperecomputing.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220422024653.2199489-1-quan@os.amperecomputing.com> References: <20220422024653.2199489-1-quan@os.amperecomputing.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SG2P153CA0023.APCP153.PROD.OUTLOOK.COM (2603:1096:4:c7::10) To SJ0PR01MB7282.prod.exchangelabs.com (2603:10b6:a03:3f2::24) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 0858b4ab-b3e5-40ba-54d9-08da240a8245 X-MS-TrafficTypeDiagnostic: SN6PR01MB4653:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SJ0PR01MB7282.prod.exchangelabs.com; PTR:; CAT:NONE; SFS:(13230001)(4636009)(366004)(6486002)(6506007)(6512007)(508600001)(54906003)(8936002)(7416002)(66946007)(66476007)(107886003)(8676002)(316002)(110136005)(2616005)(1076003)(6666004)(66556008)(52116002)(186003)(26005)(86362001)(2906002)(5660300002)(921005)(83380400001)(4326008)(38350700002)(38100700002); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?JKxtAaoYVY8LRLued8o3R8S6NDPNYLOHuP118n4MS2PTFgjbkE+RaQhF2I4C?= =?us-ascii?Q?7U1aU3fPXiGeG/jg9VoECEiSfXTpc/bmQkIkouiut25+4rOYteQBuXLHl79x?= =?us-ascii?Q?7T2t6Bl44LVoY3Fz4HJW7AgxMhvnhCWiJjczs0yhRub/piDvrQKhZNqL4xeO?= =?us-ascii?Q?nYgavSO7Q2OgYramgHdbj/IB9UfdHYrFoJwVoyIWuGLObcLbW+nE6wzjXL2Z?= =?us-ascii?Q?qW1re7/Tq/mbZnx1poSPzqPijCIF2quL1ZAbbhJ+KR6n405NnjoeaQClcgAF?= =?us-ascii?Q?fOtmXEr58aR3+1s6ShBAEbMNsUNhXS4MeyeeyTEMSAaEbSuldL7A9kym+C0L?= =?us-ascii?Q?Fy3Lef2WeT1ShmYzaanblYDGxIpYxME0Bjiua/RRAkShlmpHFkLfTnzwuuKS?= =?us-ascii?Q?loGB8bQ//f2tNxHsKkJJRAAnI9v9iGwwYyygTW04csZ4nu0zqS/oS3ChRyba?= =?us-ascii?Q?vMF9TQAdW308eSI08lYfLq0wzmvFKXVXRiMGzbYG1oo9ws5kx7rIgwKRUPPS?= =?us-ascii?Q?dZidovry3IRDuOcqaD/boKJeBicTElNXLZ/eiCmOFrsHaKyRsFwdhQr/933a?= =?us-ascii?Q?yoLcpXKeIc4qEIMAt+YvCoFaOizKO1WMLq+DCXOHXplATtj9dEdgONRBiFh4?= =?us-ascii?Q?H9y7aMuZEp5kc5b8r9Pt2ZrYcTHRGhz22VVXOvHe+qRTwbQu5BCuVixb5FDe?= =?us-ascii?Q?XXaINIo3A+lw+6hAW3anPy5ASU5F2KgKToWqkvCm+Q6tXxsqla8hLv9OjmLq?= =?us-ascii?Q?5i7GafOwmsu//aAXZWEFFoGSGJd3sBJiyldL6DL5PPNAmCQ8YfNT02V+6ghv?= =?us-ascii?Q?aFeC2IyO2x5aygsOsg61lRzCOg+nfUnQ9999erTFONpseGhzV0F48Dv+arlJ?= =?us-ascii?Q?jAvOiNAzbtGhJrsLUovU8suaFBH+yTIg0lFzdJIHsQ6CGJ0b+wwHVIzqUiPM?= =?us-ascii?Q?lsq40xZDi4r/H2E5bLhJSThJLvi/a5hcCrcCmL/M6EHPA6ykD/wU2Llr03VH?= =?us-ascii?Q?ZcRLLZqYeVDzdAsvdpxBfS0usaLNgwqeCqePhm8k0nkJj5rYS41Yg3XH3roS?= =?us-ascii?Q?wFztjS7lcPC7prjqDCTJNUBWEsKVQkMaUjerel1rzZvbkOkLSFUSbw1iSpgB?= =?us-ascii?Q?6ZilIxfOU8caCjZbdWzpm9YvdgjugBWTD36JYwtuFi0VUyI98r/30bhCGNpn?= =?us-ascii?Q?gIoIKjWxmYQcRbbmdjmoMqljy9o0Y5eCuwN6J2krDAikD5RVMN/tjExjwDue?= =?us-ascii?Q?mDQMSqzFWGla10P3w8RShCZEZTAYjpvE1c/ISk0jUsu03NbOZ6OcQiyM1lH/?= =?us-ascii?Q?QiteU5tam9Ll5PX7JuJzD9NiK4Pugn6AzHO7o7LbNrTZVDAZMlFQMyFVvi2V?= =?us-ascii?Q?/+Bj8BCiXfz5MlDsVHWfGy2Uls4Rwp6SlaTod/aBcSRe8YxI7/zMOQJmjjxq?= =?us-ascii?Q?s7tpD1VoU2uJcq2gDQAod7mlefPXnq1kroKM0bc4Odp8LGWJzcH3KGZLAbKq?= =?us-ascii?Q?tlcb5KlnoXX13zip3zPelaxn8ZbeISdwUg+k920g3vD+gdb0GZUJxAkqh26y?= =?us-ascii?Q?pQMDISlknde/NVnQm0ptAU09+VzEIJSwE2pzU0pWmyioZ8CPR3qW8ujIQgwG?= =?us-ascii?Q?yAGDLdhh1QWFAnKFRmycaskDmKz8iIUq7t95Y+4dxOh45pY1eCAsBhRi8Icm?= =?us-ascii?Q?QubEa3jFH6ekiM4rE+YIi5YOEoKdBpUiS+3cLIFce3P1wWOPNFT6H605sMlM?= =?us-ascii?Q?8QrOlXC6FMgYaBqAUtwsXzqpRxdsIOfBnkK5O/8AilhtnysQ1H+d?= X-OriginatorOrg: os.amperecomputing.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0858b4ab-b3e5-40ba-54d9-08da240a8245 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR01MB7282.prod.exchangelabs.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Apr 2022 02:47:58.3326 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3bc2b170-fd94-476d-b0ce-4229bdc904a7 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 6Dmkw7r0STh8G6q5IXY2gdeV17IccBj8GRGLWTKSuMt1kk09mNSgl5y6LplQ+GRzCxgwDWMCI8nWgqOkq9JfHQ8QoXuCE7vn09pffEnTpH8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR01MB4653 X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Open Source Submission , "Thang Q . Nguyen" , Phong Vo Errors-To: openbmc-bounces+openbmc=archiver.kernel.org@lists.ozlabs.org Sender: "openbmc" Add documentation for the Ampere(R)'s Altra(R) SMpro sysfs interfaces Signed-off-by: Quan Nguyen --- Changes in v8: + Sysfs to return single value in hex format [Greg] + Fix KernelVersion info [Greg] + Change errors_* to error_* [Quan] + Added overflow_[core|mem|pcie|other]_[ce|ue] [Quan] Changes in v7: + First introduce in v7 [Greg] .../sysfs-bus-platform-devices-ampere-smpro | 157 ++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro diff --git a/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro b/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro new file mode 100644 index 000000000000..41edab6c3e28 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro @@ -0,0 +1,157 @@ +What: /sys/bus/platform/devices/smpro-errmon.*/error_[core|mem|pcie|other]_[ce|ue] +KernelVersion: 5.18 +Contact: quan@os.amperecomputing.com +Description: + (RO) Contains the 48-byte Ampere (Vendor-Specific) Error Record, see [1], + printed in hex format as below: + + AABBCCCCDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD\ + DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD + Where: + AA : Error Type + BB : Subtype + CCCC : Instance + DDD...DDD: 44-byte value similar to the Arm RAS standard error record + + See [1] below for the format details. + + The detail of each sysfs entries is as below: + +-------------+---------------------------------------------------------+ + | Error | Sysfs entry | + +-------------+---------------------------------------------------------+ + | Core's CE | /sys/bus/platform/devices/smpro-errmon.*/error_core_ce | + | Core's UE | /sys/bus/platform/devices/smpro-errmon.*/error_core_ue | + | Memory's CE | /sys/bus/platform/devices/smpro-errmon.*/error_mem_ce | + | Memory's UE | /sys/bus/platform/devices/smpro-errmon.*/error_mem_ue | + | PCIe's CE | /sys/bus/platform/devices/smpro-errmon.*/error_pcie_ce | + | PCIe's UE | /sys/bus/platform/devices/smpro-errmon.*/error_pcie_ue | + | Other's CE | /sys/bus/platform/devices/smpro-errmon.*/error_other_ce| + | Other's UE | /sys/bus/platform/devices/smpro-errmon.*/error_other_ue| + +-------------+---------------------------------------------------------+ + UE: Uncorrect-able Error + CE: Correct-able Error + + [1] Section 3.3 Ampere (Vendor-Specific) Error Record Formats, + Altra Family RAS Supplement. + + +What: /sys/bus/platform/devices/smpro-errmon.*/overflow_[core|mem|pcie|other]_[ce|ue] +KernelVersion: 5.18 +Contact: quan@os.amperecomputing.com +Description: + (RO) Return the overflow status of each type HW error reported: + 0 : No overflow + 1 : There is an overflow and the oldest HW errors are dropped + + The detail of each sysfs entries is as below: + +-------------+-----------------------------------------------------------+ + | Overflow | Sysfs entry | + +-------------+-----------------------------------------------------------+ + | Core's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_core_ce | + | Core's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_core_ue | + | Memory's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_mem_ce | + | Memory's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_mem_ue | + | PCIe's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_pcie_ce | + | PCIe's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_pcie_ue | + | Other's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_other_ce| + | Other's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_other_ue| + +-------------+-----------------------------------------------------------+ + UE: Uncorrect-able Error + CE: Correct-able Error + +What: /sys/bus/platform/devices/smpro-errmon.*/error_[smpro|pmpro] +KernelVersion: 5.18 +Contact: quan@os.amperecomputing.com +Description: + (RO) Contains the internal firmware error record printed as hex format + as below: + + ABBCDDEEEEFFFFFFFF + Where: + A : Firmware Error Type + 1: Warning + 2: Error + 4: Error with data + BB : Firmware Image Code (8-bit value) + C : Direction: + 0: Enter + 1: Exit + DD : Location, firmware module location code (8-bit value) + EEEE : Error Code, firmware Error Code (16-bit value) + FFFFFFFF: Extensive data (32-bit value) + + Example: + root@mtjade:~# cat /sys/bus/platform/devices/smpro-errmon.1.auto/error_smpro + 109008000a00000000 + + The detail of each sysfs entries is as below: + +-------------+-------------------------------------------------------+ + | Error | Sysfs entry | + +-------------+-------------------------------------------------------+ + | SMpro error | /sys/bus/platform/devices/smpro-errmon.*/error_smpro | + | PMpro error | /sys/bus/platform/devices/smpro-errmon.*/error_pmpro | + +-------------+-------------------------------------------------------+ + See more details in section 5.10 RAS Internal Error Register Definitions, + Altra Family Soc BMC Interface Specification. + + +What: /sys/bus/platform/devices/smpro-errmon.*/event_[vrd_warn_fault|vrd_hot|dimm_hot] +KernelVersion: 5.18 +Contact: quan@os.amperecomputing.com +Description: + (RO) Contains the detail information in case of VRD/DIMM warning/hot events + in hex format as below: + + AABBBB + Where: + AA : The event channel + 00: VRD Warning Fault + 01: VRD Hot + 02: DIMM host + BBBB: The event detail information data + + See more details in section 5.7 GPI Status Registers, + Altra Family Soc BMC Interface Specification. + + +What: /sys/bus/platform/devices/smpro-misc.*/boot_progress +KernelVersion: 5.18 +Contact: quan@os.amperecomputing.com +Description: + (RO) Contains the boot stages information in hex as format below: + + AABBCCCCCCCC + Where: + AA : The boot stages + 00: SMpro firmware booting + 01: PMpro firmware booting + 02: ATF BL1 firmware booting + 03: DDR initialization + 04: DDR training report status + 05: ATF BL2 firmware booting + 06: ATF BL31 firmware booting + 07: ATF BL32 firmware booting + 08: UEFI firmware booting + 09: OS booting + BB : Boot status + 00: Not started + 01: Started + 02: Completed without error + 03: Failed. + CCCCCCCC: Boot status information defined for each boot stages + + See more details in section 5.11 Boot Stage Register Definitions, + and section 6. Processor Boot Progress Codes, Altra Family Soc BMC + Interface Specification. + + +What: /sys/bus/platform/devices/smpro-misc*/soc_power_limit +KernelVersion: 5.18 +Contact: quan@os.amperecomputing.com +Description: + (RW) Contains the desired SoC power limit in Watt. + Writes to this sysfs set the desired SoC power limit (W). + Reads from this register return the current SoC power limit (W). + The value ranges: + Minimum: 120 W + Maximum: Socket TDP power -- 2.35.1