From patchwork Fri Apr 28 18:55:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mario Limonciello X-Patchwork-Id: 88705 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp1153868vqo; Fri, 28 Apr 2023 12:16:17 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ4mxLDVzYtQeJQBaXv/8s96VDQa6nxENwCA4bq10hxfBB0Kno2yGIApYKGE54zko5a8cNgV X-Received: by 2002:a17:90a:9417:b0:246:f8a8:af02 with SMTP id r23-20020a17090a941700b00246f8a8af02mr6384335pjo.5.1682709377064; Fri, 28 Apr 2023 12:16:17 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1682709377; cv=pass; d=google.com; s=arc-20160816; b=tZzRe3Chnq2I1whEF6WcxyQA1rw9WajblU3rRtodBt3rQjezpA5iDVy649jvO/rq3H YhWdSC9SXW/rSzbwOoISy8nloIhX7MXGQypDQDlsaJpDUTsImZOxj3KFPMegG0Kt7/59 r8th5QDyzpe/r2Wuxb1v7L1BUYLlhnMCeFL/MiKK9WXA7rsMlv8iruNjVGISlpoj/RVl jvj18EIBxLO5821ZLCuowX4OW4JsJTxZ12U8OOD56lLI9yXn8hjoqLja374Mlahkjw4z uif/K62VP9AItMFqqo0Xjbgd7GqdaZK07xU/TsNv9g662p7dKnqIosL3FB5Gzb9fFRvb 6elg== 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=bdJT8NGzTdhfAe7TuVGd6FYb32oOl+oCsBjc9y2oR04=; b=SyCdfJKUCqwg8F4vKbxDw0xfhhQ4Rlk7cnUIOxJ8rqeaI9TqjNHZLv1s50fDeger4/ A5mgPF2lffVFB0BDFeUFztqD+d6ee7Pu5RO+eb3T8+J7vQasm/DqXyX0vxXLlgzdD7O3 UCSy4CUf6Y2irBcQgAE8kZc0F3DmSlWN7ak6Hn5V52PBPY7FjWwrNWL5irzesE/U4w8T nUJnfXFCAHFeaUF1OxP04n5ovEmGOCSb5wiFAgc7mbjKj/t47cAtmAVXoyD4UevGp2vv sPCRYSehlOGWsmHaVk6BFj7HXI9Y5Y6rI5z/kVn1RWGwwxoGEdx/5SFN4a8S5avP7Ksd +ONw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=Qfqzfn04; 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 a21-20020a63e855000000b0050be9448847si22133549pgk.680.2023.04.28.12.16.02; Fri, 28 Apr 2023 12:16:17 -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=Qfqzfn04; 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 S1346606AbjD1S4n (ORCPT + 99 others); Fri, 28 Apr 2023 14:56:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346567AbjD1S4e (ORCPT ); Fri, 28 Apr 2023 14:56:34 -0400 Received: from NAM11-CO1-obe.outbound.protection.outlook.com (mail-co1nam11on2045.outbound.protection.outlook.com [40.107.220.45]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 342DF59DC; Fri, 28 Apr 2023 11:56:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ZhtMFMcJedMUdgyy3Vj4cf5y1XldXr7E7Lo3oTJAXCbFm1XjmffkLIez3Y7RPbaAxhsGWkxskH4wHfsilLyWrHdl/tv02uZFwatdgQyemTXplAglgPJYWOtoGOyI80f1ys9/9s/S763PD5HXWm6gxVK6+Sdtp7P7tLwndD+zGGfGpX5CUhptgnYFULoSHoJmMbrx9m17Nje2PZNh3ekU23ODgbrgOu56iAmhyTMtBFPBcAAiJnfhFYtXGZe6QImky4F6yDqqN+3MZHGLQLTbIT79aRts/uCI2jZnh8WQzAg8UEWxiFpgkz9WVYmcucbFDLCYxS/p7Ew2aaTBSByx6w== 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=bdJT8NGzTdhfAe7TuVGd6FYb32oOl+oCsBjc9y2oR04=; b=Uy3LoPQQsmBUT9+F4MTe4rfcGT+R4Md72qoc04kqUjUrs8HTauhwTnq5owgbhG8FP/+o5yBLtf3Ji04PEFL/2yem5YTvIu9ZTngE8z2b3EWryrkpBmKNAAyy3ACDExHOhel3/Fu1cCZnQVbRTDi/SkJLmRqYC4lATUL9U98tTLBtiFLjNenjk76hLrISUVWFGvfntY5j1aUKVhP1GblpfD3RD8pj6Ep8DUW/f0340EXqJvtjcMOh6/U00DhKAyqB8DgU384scfFulOtxmJiICPeH1WMRxt+wdH+mJ17DHDYT6zAwUwe0PGsoiwxHUI/4AWK+JJd15d/mRI/MdSAnQw== 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=bdJT8NGzTdhfAe7TuVGd6FYb32oOl+oCsBjc9y2oR04=; b=Qfqzfn04U7AkBTu3rjApxoYIXkxJ4hHwc6cjqVaBB+dI5WexyklBhfkW9e0rW2huHNRTQi7dTEPoAQXIpBJucf7KbyJv4qTAN4gE8Oe5dn8F3sM1A+5weIrGnaF+IDQLbBh0e0ShycVSbB+hvS48wPGP8Jv5WKoZe3pKIgo23tQ= Received: from DM6PR11CA0069.namprd11.prod.outlook.com (2603:10b6:5:14c::46) by DS0PR12MB8272.namprd12.prod.outlook.com (2603:10b6:8:fc::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6340.22; Fri, 28 Apr 2023 18:56:11 +0000 Received: from DM6NAM11FT045.eop-nam11.prod.protection.outlook.com (2603:10b6:5:14c:cafe::db) by DM6PR11CA0069.outlook.office365.com (2603:10b6:5:14c::46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6340.24 via Frontend Transport; Fri, 28 Apr 2023 18:56:11 +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 DM6NAM11FT045.mail.protection.outlook.com (10.13.173.123) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6340.23 via Frontend Transport; Fri, 28 Apr 2023 18:56:09 +0000 Received: from AUS-LX-MLIMONCI.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; Fri, 28 Apr 2023 13:56:06 -0500 From: Mario Limonciello To: Herbert Xu , Tom Lendacky , John Allen CC: David S Miller , Mario Limonciello , , Subject: [PATCH v2 06/10] crypto: ccp: Add support for setting user ID for dynamic boost control Date: Fri, 28 Apr 2023 13:55:36 -0500 Message-ID: <20230428185543.8381-7-mario.limonciello@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230428185543.8381-1-mario.limonciello@amd.com> References: <20230428185543.8381-1-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: DM6NAM11FT045:EE_|DS0PR12MB8272:EE_ X-MS-Office365-Filtering-Correlation-Id: 9e1fbfb5-a809-4426-fdbe-08db481a3b0f 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)(346002)(396003)(39860400002)(376002)(451199021)(46966006)(40470700004)(36840700001)(82310400005)(336012)(426003)(83380400001)(36860700001)(41300700001)(1076003)(40460700003)(26005)(82740400003)(36756003)(186003)(16526019)(2906002)(2616005)(7696005)(6666004)(40480700001)(86362001)(5660300002)(8936002)(8676002)(47076005)(4326008)(316002)(44832011)(6636002)(70206006)(81166007)(478600001)(356005)(110136005)(70586007)(54906003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Apr 2023 18:56:09.9529 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9e1fbfb5-a809-4426-fdbe-08db481a3b0f 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: DM6NAM11FT045.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB8272 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,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,URIBL_BLOCKED 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?1764448668062984174?= X-GMAIL-MSGID: =?utf-8?q?1764448668062984174?= As part of the authentication flow for Dynamic Boost Control, the calling software will need to send a uid used in all of its future communications. Add support for another IOCTL call to let userspace software set this up. Signed-off-by: Mario Limonciello --- v1->v2: * Update commit message --- drivers/crypto/ccp/dbc.c | 18 ++++++++++++++++++ drivers/crypto/ccp/dbc.h | 6 ++++++ include/linux/psp-platform-access.h | 1 + include/uapi/linux/psp-dbc.h | 20 ++++++++++++++++++++ 4 files changed, 45 insertions(+) diff --git a/drivers/crypto/ccp/dbc.c b/drivers/crypto/ccp/dbc.c index 7afeca903136..ca7ec528536b 100644 --- a/drivers/crypto/ccp/dbc.c +++ b/drivers/crypto/ccp/dbc.c @@ -117,6 +117,24 @@ static long dbc_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) goto unlock; } break; + case DBCIOCUID: + dbc_dev->mbox->req.header.payload_size = sizeof(dbc_dev->mbox->dbc_set_uid); + if (copy_from_user(&dbc_dev->mbox->dbc_set_uid.user, argp, + sizeof(struct dbc_user_setuid))) { + ret = -EFAULT; + goto unlock; + } + + ret = send_dbc_cmd(dbc_dev, PSP_DYNAMIC_BOOST_SET_UID); + if (ret) + goto unlock; + + if (copy_to_user(argp, &dbc_dev->mbox->dbc_set_uid.user, + sizeof(struct dbc_user_setuid))) { + ret = -EFAULT; + goto unlock; + } + break; default: ret = -EINVAL; diff --git a/drivers/crypto/ccp/dbc.h b/drivers/crypto/ccp/dbc.h index 1c3a0a078d15..156435100076 100644 --- a/drivers/crypto/ccp/dbc.h +++ b/drivers/crypto/ccp/dbc.h @@ -33,9 +33,15 @@ struct dbc_nonce { struct dbc_user_nonce user; } __packed; +struct dbc_set_uid { + struct psp_req_buffer_hdr header; + struct dbc_user_setuid user; +} __packed; + union dbc_buffer { struct psp_request req; struct dbc_nonce dbc_nonce; + struct dbc_set_uid dbc_set_uid; }; void dbc_dev_destroy(struct psp_device *psp); diff --git a/include/linux/psp-platform-access.h b/include/linux/psp-platform-access.h index 53b4a1df5180..18b9e0f0cb03 100644 --- a/include/linux/psp-platform-access.h +++ b/include/linux/psp-platform-access.h @@ -9,6 +9,7 @@ enum psp_platform_access_msg { PSP_CMD_NONE = 0x0, PSP_I2C_REQ_BUS_CMD = 0x64, PSP_DYNAMIC_BOOST_GET_NONCE, + PSP_DYNAMIC_BOOST_SET_UID, }; struct psp_req_buffer_hdr { diff --git a/include/uapi/linux/psp-dbc.h b/include/uapi/linux/psp-dbc.h index d032f78934e2..7443c78ede19 100644 --- a/include/uapi/linux/psp-dbc.h +++ b/include/uapi/linux/psp-dbc.h @@ -18,6 +18,7 @@ #define DBC_NONCE_SIZE 16 #define DBC_SIG_SIZE 32 +#define DBC_UID_SIZE 16 /** * struct dbc_user_nonce - Nonce exchange structure (input/output). @@ -34,6 +35,16 @@ struct dbc_user_nonce { __u8 signature[DBC_SIG_SIZE]; } __packed; +/** + * struct dbc_user_setuid - UID exchange structure (input). + * @uid: 16 byte value representing software identity + * @signature: 32 byte signature created by software using a previous nonce + */ +struct dbc_user_setuid { + __u8 uid[DBC_UID_SIZE]; + __u8 signature[DBC_SIG_SIZE]; +} __packed; + /** * Dynamic Boost Control (DBC) IOC * @@ -64,4 +75,13 @@ struct dbc_user_nonce { */ #define DBCIOCNONCE _IOWR(DBC_IOC_TYPE, 0x1, struct dbc_user_nonce) +/** + * DBCIOCUID - Set the user ID (UID) of a calling process. + * The user ID is 8 bytes long. It must be programmed using a + * 32 byte signature built using the nonce fetched from + * DBCIOCNONCE. + * The UID can only be set once until the system is rebooted. + */ +#define DBCIOCUID _IOW(DBC_IOC_TYPE, 0x2, struct dbc_user_setuid) + #endif /* __PSP_DBC_USER_H__ */