From patchwork Thu Jun 8 11:17:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mario Limonciello X-Patchwork-Id: 105091 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp490325vqr; Thu, 8 Jun 2023 12:17:13 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ6AaK2uss678W1QW7jZLLTG8WUbYF/VhC70PjQxr0dxujMjvFAiIYBjHoKeoH34wRg4fAcw X-Received: by 2002:a05:6a00:1302:b0:64c:9b56:6215 with SMTP id j2-20020a056a00130200b0064c9b566215mr5236747pfu.25.1686251833130; Thu, 08 Jun 2023 12:17:13 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1686251833; cv=pass; d=google.com; s=arc-20160816; b=P+p9/GJ0J8VQo9oNfspTC2pCnkiP+dftq8wJs3MBsVKDk7sVBRNClejZ0ihFfxDvsg qLgmaXM6CD9UdagGI1mvb7VDYu9+X3hjgIyGmu5aG8NEqnrCfZZfSFp3AQl2oU1rUPkJ SiOAsX+8cChX0AuLQG7IXyH83XS4w7njYpG189liER3ODchL0YMtwTX7WRV8ok/L/JN4 h7cXm9m1e+US7CFSTaq1f9sv0BO3CPR1Y1r+6WcqkTCJNX/3VBmTXtl+bRiQsNsI34A/ hJ63iyfX6/5sonxSo2OcjdJec1tXRAlvyxM0D2tnHRg/XzJ5AV7hDvnKniFtZYmPikW1 cEPA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=2dOqqACfUJwO/by3O4wOEYvyIoycNd43moItLDSn8b4=; b=VDNGD0ZSqobFzgzQgO6zulzjYI4comVT8KvZWUsKbXaOaow3Huhg9IyjYIi5CXHHlY vn17tO68dV0AelSSpsdm85j8xKNcvokmiQEMIAT31Nu1P/glABjCeT91u0rhdxnwmI3T OBwLNjJClWP6b15IOqzNQ2oLXJ1yi0K1moRXYyPrFmUUnNCLYOiaJcmgZdswSvPaZUtP BYpsr/t5elCKPuTvs3RMnesiFUydbuzUuRzLR5aTAIlMtqHI2zQzNmklObDS6Mt1xHfF Xypvp1INtB8nqZuronuzAvI6yeF2t3gAJsDq35WU39N1ju9ZmxdwfXKQPJrAFgSOPIhO OPyg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=EqDrln5D; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id v2-20020a63ac02000000b0051f17a517adsi1388304pge.492.2023.06.08.12.16.57; Thu, 08 Jun 2023 12:17:13 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=EqDrln5D; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236594AbjFHTNe (ORCPT + 99 others); Thu, 8 Jun 2023 15:13:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59588 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235723AbjFHTMx (ORCPT ); Thu, 8 Jun 2023 15:12:53 -0400 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10on2046.outbound.protection.outlook.com [40.107.94.46]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8D6E9D; Thu, 8 Jun 2023 12:12:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Zrt7GJNyF6DqyMklqSzL4KmOJuEZHqAMW6ikhVeD8z73FGnOi54WfYsTLbKzZvDRB3+kfx9ibLvJW6tdi+OMCVDBQOUGPYneNY1ri7ruXuHshpfjCzOoAXbgTtMf/El7h4jkkuV0aMTuPEpekNlCmlR8kfBGW8sg5LhWfsb+slZOiSGKzg++4UgKezGis5STWBN11De7QX3gmExZDJDMCQYak6DojUI+HMBJOIy3CrKJZcYDP830RqR4PnnnloYnm5gQc0lW5OH69fC8YS0ddbLX/in7wmSyjRhEQcaGuTj8Olec84qxvJmR3bcVb0BcdUY3rSMLz3O40AhACjBsGQ== 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=2dOqqACfUJwO/by3O4wOEYvyIoycNd43moItLDSn8b4=; b=jtw44Vqqixdc90N1qck+ByUIMl4dDfPvrYriKXhLGaz3DLG1toZOkuVZFzr5hTipv908RZNEfEV9LcEuNhPv212DRR+sMToCqBpzBXVTjCkDQKEC75SwfDQIqP3c4mi3fIuEQiKjp2lQGt+j1UAJKJ3/yVU1Tjy2142rqDXGjMUB4c1poMhIo0xklKcIa+1L/ykSeYkyLCc/8miQe3W1sFaTUjCQtroNBG9U7YtyeshtiAkbBFiZGWwnWA5KYbZCk6iBhgBfkN4fINgBpv783UJPGYua3uw0bQy5dRUqH72hnMFqg2HQzZRQYmitvgWnwj/FYHG5MPovimCic4EDIA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=gondor.apana.org.au smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=2dOqqACfUJwO/by3O4wOEYvyIoycNd43moItLDSn8b4=; b=EqDrln5D5wLuxdXQn19cIGSr4WYMz+2cbprNjlkfL3oz8s6EL0tOYZCP3FwNGjkxl/mqQAXYoWLsOJedS4V+wcsXxmg9Df4dcAcarhY1upvWpl/bZ1l8hidWeKDPd5z0BWuifAygW73Q/lLmCqw4NQ61qx+k5NhvzcjYSxepAqQ= Received: from MW4PR04CA0260.namprd04.prod.outlook.com (2603:10b6:303:88::25) by LV2PR12MB5872.namprd12.prod.outlook.com (2603:10b6:408:173::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6455.28; Thu, 8 Jun 2023 19:12:33 +0000 Received: from CO1PEPF000044FC.namprd21.prod.outlook.com (2603:10b6:303:88:cafe::3e) by MW4PR04CA0260.outlook.office365.com (2603:10b6:303:88::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6477.26 via Frontend Transport; Thu, 8 Jun 2023 19:12:33 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1PEPF000044FC.mail.protection.outlook.com (10.167.241.202) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6500.0 via Frontend Transport; Thu, 8 Jun 2023 19:12:33 +0000 Received: from SITE-L-T34-2.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Thu, 8 Jun 2023 14:12:28 -0500 From: Mario Limonciello To: Tom Lendacky , John Allen , Herbert Xu CC: "David S . Miller" , , , Mario Limonciello Subject: [PATCH v4 09/11] crypto: ccp: Add a sample python script for Dynamic Boost Control Date: Thu, 8 Jun 2023 06:17:55 -0500 Message-ID: <20230608111757.32054-10-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230608111757.32054-1-mario.limonciello@amd.com> References: <20230608111757.32054-1-mario.limonciello@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000044FC:EE_|LV2PR12MB5872:EE_ X-MS-Office365-Filtering-Correlation-Id: 3aed490e-ee96-47ba-28a7-08db68545001 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:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(136003)(39860400002)(346002)(376002)(396003)(451199021)(36840700001)(46966006)(40470700004)(47076005)(1076003)(26005)(2616005)(83380400001)(41300700001)(6666004)(16526019)(7696005)(186003)(426003)(36860700001)(336012)(40460700003)(4326008)(478600001)(110136005)(54906003)(40480700001)(82310400005)(316002)(356005)(5660300002)(70206006)(70586007)(82740400003)(81166007)(8676002)(44832011)(8936002)(2906002)(86362001)(36756003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jun 2023 19:12:33.0445 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3aed490e-ee96-47ba-28a7-08db68545001 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000044FC.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB5872 X-Spam-Status: No, score=0.4 required=5.0 tests=BAYES_00,DATE_IN_PAST_06_12, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=no 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-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1768163202201186824?= X-GMAIL-MSGID: =?utf-8?q?1768163202201186824?= Dynamic Boost Control commands are triggered by userspace with an IOCTL interface that userspace will prepare proper buffers for a request. To allow prototyping and testing this interface, add a python3 command line script that loads the dbc_library.so for utilizing the IOCTLs. The signature to use and UID are passed as arguments to this script. Signed-off-by: Mario Limonciello --- v3->v4: * Use library from previous patch instead of python's ioctl interface --- tools/crypto/ccp/.gitignore | 1 + tools/crypto/ccp/dbc.py | 64 +++++++++++++++++ tools/crypto/ccp/dbc_cli.py | 134 ++++++++++++++++++++++++++++++++++++ 3 files changed, 199 insertions(+) create mode 100644 tools/crypto/ccp/.gitignore create mode 100644 tools/crypto/ccp/dbc.py create mode 100755 tools/crypto/ccp/dbc_cli.py diff --git a/tools/crypto/ccp/.gitignore b/tools/crypto/ccp/.gitignore new file mode 100644 index 000000000000..bee8a64b79a9 --- /dev/null +++ b/tools/crypto/ccp/.gitignore @@ -0,0 +1 @@ +__pycache__ diff --git a/tools/crypto/ccp/dbc.py b/tools/crypto/ccp/dbc.py new file mode 100644 index 000000000000..3f6a825ffc9e --- /dev/null +++ b/tools/crypto/ccp/dbc.py @@ -0,0 +1,64 @@ +#!/usr/bin/python3 +# SPDX-License-Identifier: GPL-2.0 + +import ctypes +import os + +DBC_UID_SIZE = 16 +DBC_NONCE_SIZE = 16 +DBC_SIG_SIZE = 32 + +PARAM_GET_FMAX_CAP = (0x3,) +PARAM_SET_FMAX_CAP = (0x4,) +PARAM_GET_PWR_CAP = (0x5,) +PARAM_SET_PWR_CAP = (0x6,) +PARAM_GET_GFX_MODE = (0x7,) +PARAM_SET_GFX_MODE = (0x8,) +PARAM_GET_CURR_TEMP = (0x9,) +PARAM_GET_FMAX_MAX = (0xA,) +PARAM_GET_FMAX_MIN = (0xB,) +PARAM_GET_SOC_PWR_MAX = (0xC,) +PARAM_GET_SOC_PWR_MIN = (0xD,) +PARAM_GET_SOC_PWR_CUR = (0xE,) + +DEVICE_NODE = "/dev/dbc" + +lib = ctypes.CDLL("./dbc_library.so", mode=ctypes.RTLD_GLOBAL) + + +def handle_error(code): + val = code * -1 + raise OSError(val, os.strerror(val)) + + +def get_nonce(device, signature): + if not device: + raise ValueError("Device required") + buf = ctypes.create_string_buffer(DBC_NONCE_SIZE) + ret = lib.get_nonce(device.fileno(), ctypes.byref(buf), signature) + if ret: + handle_error(ret) + return buf.value + + +def set_uid(device, new_uid, signature): + if not signature: + raise ValueError("Signature required") + if not new_uid: + raise ValueError("UID required") + ret = lib.set_uid(device.fileno(), new_uid, signature) + if ret: + handle_error(ret) + return True + + +def process_param(device, message, signature, data=None): + if not signature: + raise ValueError("Signature required") + if type(message) != tuple: + raise ValueError("Expected message tuple") + arg = ctypes.c_int(data if data else 0) + ret = lib.process_param(device.fileno(), message[0], signature, ctypes.pointer(arg)) + if ret: + handle_error(ret) + return arg, signature diff --git a/tools/crypto/ccp/dbc_cli.py b/tools/crypto/ccp/dbc_cli.py new file mode 100755 index 000000000000..97b20553a676 --- /dev/null +++ b/tools/crypto/ccp/dbc_cli.py @@ -0,0 +1,134 @@ +#!/usr/bin/python3 +# SPDX-License-Identifier: GPL-2.0 +import argparse +import binascii +import os +import errno +from dbc import * + +ERRORS = { + errno.EACCES: "Access is denied", + errno.E2BIG: "Excess data provided", + errno.EINVAL: "Bad parameters", + errno.EAGAIN: "Bad state", + errno.ENOENT: "Not implemented or message failure", + errno.EBUSY: "Busy", + errno.ENFILE: "Overflow", + errno.EPERM: "Signature invalid", +} + +messages = { + "get-fmax-cap": PARAM_GET_FMAX_CAP, + "set-fmax-cap": PARAM_SET_FMAX_CAP, + "get-power-cap": PARAM_GET_PWR_CAP, + "set-power-cap": PARAM_SET_PWR_CAP, + "get-graphics-mode": PARAM_GET_GFX_MODE, + "set-graphics-mode": PARAM_SET_GFX_MODE, + "get-current-temp": PARAM_GET_CURR_TEMP, + "get-fmax-max": PARAM_GET_FMAX_MAX, + "get-fmax-min": PARAM_GET_FMAX_MAX, + "get-soc-power-max": PARAM_GET_SOC_PWR_MAX, + "get-soc-power-min": PARAM_GET_SOC_PWR_MIN, + "get-soc-power-cur": PARAM_GET_SOC_PWR_CUR, +} + + +def _pretty_buffer(ba): + return str(binascii.hexlify(ba, " ")) + + +def parse_args(): + parser = argparse.ArgumentParser( + description="Dynamic Boost control command line interface" + ) + parser.add_argument( + "command", + choices=["get-nonce", "get-param", "set-param", "set-uid"], + help="Command to send", + ) + parser.add_argument("--device", default="/dev/dbc", help="Device to operate") + parser.add_argument("--signature", help="File containing signature for command") + parser.add_argument("--message", choices=messages.keys(), help="Message index") + parser.add_argument("--data", help="Argument to pass to message") + parser.add_argument("--uid", help="File containing UID to pass") + return parser.parse_args() + + +def pretty_error(code): + if code in ERRORS: + print(ERRORS[code]) + else: + print("failed with return code %d" % code) + + +if __name__ == "__main__": + args = parse_args() + data = 0 + sig = None + uid = None + if not os.path.exists(args.device): + raise IOError("Missing device {device}".format(device=args.device)) + if args.signature: + if not os.path.exists(args.signature): + raise ValueError("Invalid signature file %s" % args.signature) + with open(args.signature, "rb") as f: + sig = f.read() + if len(sig) != DBC_SIG_SIZE: + raise ValueError( + "Invalid signature length %d (expected %d)" % (len(sig), DBC_SIG_SIZE) + ) + if args.uid: + if not os.path.exists(args.uid): + raise ValueError("Invalid uid file %s" % args.uid) + with open(args.uid, "rb") as f: + uid = f.read() + if len(uid) != DBC_UID_SIZE: + raise ValueError( + "Invalid UID length %d (expected %d)" % (len(uid), DBC_UID_SIZE) + ) + if args.data: + try: + data = int(args.data, 10) + except ValueError: + data = int(args.data, 16) + + with open(args.device) as d: + if args.command == "get-nonce": + try: + nonce = get_nonce(d, sig) + print("Nonce: %s" % _pretty_buffer(bytes(nonce))) + except OSError as e: + pretty_error(e.errno) + elif args.command == "set-uid": + try: + result = set_uid(d, uid, sig) + if result: + print("Set UID") + except OSError as e: + pretty_error(e.errno) + elif args.command == "get-param": + if not args.message or args.message.startswith("set"): + raise ValueError("Invalid message %s" % args.message) + try: + param, signature = process_param(d, messages[args.message], sig) + print( + "Parameter: {par}, response signature {sig}".format( + par=param, + sig=_pretty_buffer(bytes(signature)), + ) + ) + except OSError as e: + pretty_error(e.errno) + elif args.command == "set-param": + if not args.message or args.message.startswith("get"): + raise ValueError("Invalid message %s" % args.message) + try: + param, signature = process_param(d, messages[args.message], sig, data) + print( + "Parameter: {par}, response signature {sig}".format( + par=param, + sig=_pretty_buffer(bytes(signature)), + ) + ) + except OSError as e: + pretty_error(e.errno)