From patchwork Thu Nov 7 05:42:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vabhav Sharma X-Patchwork-Id: 13865816 Received: from EUR02-VI1-obe.outbound.protection.outlook.com (mail-vi1eur02on2062.outbound.protection.outlook.com [40.107.241.62]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DCEE5194137 for ; Thu, 7 Nov 2024 05:42:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.241.62 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730958177; cv=fail; b=l2OO9Lg3NgfWKv3jnNkXe43SRcnS+gnxbV3BBUrx9SO9oXavS3ldci5HvYoarL/9T1SkWeNPRutN7Kf054vjlRivp3KwZOfGoIrpwdFetl7kZKzL4MRlMud3ZoP/CJn19usXEcr9HDQBiqwmhJ8sbfEu1Q4lDkmCcOh3OT8DIrg= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730958177; c=relaxed/simple; bh=un9iXQ5xghbtZREQMJotfWmXPPOY7jR+nhscSRxZpvg=; h=From:Date:Subject:Content-Type:Message-Id:References:In-Reply-To: To:Cc:MIME-Version; b=E5VBAJUfU5hVeFOMAakrj2+04Ga3nHiArOvU3TScFevaXMYTzzbchTCyqCKpi+3qQfia8U1DAdKIi+j3fRGG3BAB9Kh1CCKAxDq9yi1xRYdyvarqskNzDYTADICCfP5iwEWXkpb83TGt4xjhIdl6mj8cK/ycsjPqNGGJXsQX8HM= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b=Kby7q8b5; arc=fail smtp.client-ip=40.107.241.62 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b="Kby7q8b5" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=nRZav1oIoAxJtfp5yNkcoOfLUmPMxBkbfq2lJhHWeXJ1f1r//O34o8UJxyeZ0F61utatm/nCs5mpSjTRqCT6DntYYe3Un53l70+mElMeplE1O0shiVDq66RkLFxLzsR6Be2k7G5AjGa0E5mizHhBfEesOpD6jl7mkO/MgsA0fAMQHFiIucA5RY7QmsGar36xtxHa6GrCdIbxhQrkqsQjLYFv5w03sSwAqlt4ZFdxW1i5cBbuDHM01cwBMKTWoU3E4rk/bwW6RkY9sZXAZcg4NpWnWbyBhQeSueSqMoDprPoPAqdTf0xs9Zk8xEL1Brf6oDlM8HgFMmniL8oKA+RGjg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=G7veCpghGih4EyT0+UxUfwK10HmZpxhIQyYrVveOB7c=; b=ItaS3tHiwUS3uCndAtMvCzu9wCS5g7gisnGCtMiR8jFw5IB6xziwQARnaF0rpdYUajpdviLfjhn87irxVfI1dRpAtqiGqb46XRDtSpANt7jXMnm/Zj7/v5kQe1lQXI9usSvL9GMq9PHn14r9KmqEz3C+98Roq/fIaGNVPpMxfO5GMIfemPCTif0+aj18+GV0PGTnHLq92Nuch7UWk08kqpkwzIKnjH3svn9azicnGBFaezm/NytjToXhvgIEdS3wrKAgzcf1E1VHPVCjGn8Y1Z867VvUVDk/9BybUkUqVupmVQKXXmJ0xq8E9Hzu9UTHCJWqnLSik6CwcdLEz3L5Cg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=G7veCpghGih4EyT0+UxUfwK10HmZpxhIQyYrVveOB7c=; b=Kby7q8b5Q/y6R99jjrdo++7rrkf9D7ZbSwPzBfzp4Di8n5WVu6P1GeolX7wu2vf+MzDx21eqGP7KNEvm5463xV8ZUxpizedMrVVuUwOoj7jqcZibxCWq5QYhlq7tce+U19N6E62zEoN6dXApFsUEgY6uKpZQ5ywtkIsafqnyMyyIZEB+VktjvxFJCU1TG+jUIxP0AIw9PJAlR8lfv1NCVSE3Txa4vtOqxZV0Ds51rxLdXegNhrPnO/IaSHlhn1X5/WaI+uaT4btfh8ltBo0w32xYtAhqwzrsNjktyONMNbboJOBwoc1LMSBuiuceseh6ffR+UEbgeanZfnwIGoiVTg== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from DB9PR04MB9354.eurprd04.prod.outlook.com (2603:10a6:10:36c::10) by AS8PR04MB8434.eurprd04.prod.outlook.com (2603:10a6:20b:406::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8114.30; Thu, 7 Nov 2024 05:42:47 +0000 Received: from DB9PR04MB9354.eurprd04.prod.outlook.com ([fe80::3cd3:1ff0:8bae:a7ab]) by DB9PR04MB9354.eurprd04.prod.outlook.com ([fe80::3cd3:1ff0:8bae:a7ab%4]) with mapi id 15.20.8114.028; Thu, 7 Nov 2024 05:42:47 +0000 From: Vabhav Sharma Date: Thu, 07 Nov 2024 06:42:41 +0100 Subject: [PATCH v3 3/4] firmware: imx: Add SC APIs required for secvio module Message-Id: <20241107-secvio-v3-3-ea27f1e9ced4@nxp.com> References: <20241107-secvio-v3-0-ea27f1e9ced4@nxp.com> In-Reply-To: <20241107-secvio-v3-0-ea27f1e9ced4@nxp.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dong Aisheng , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, frank.li@nxp.com, pankaj.gupta@nxp.com, daniel.baluta@nxp.com, silvano.dininno@nxp.com, V.Sethi@nxp.com, meenakshi.aggarwal@nxp.com, Vabhav Sharma , Franck LENORMAND , Iuliana Prodan , Horia Geanta X-Mailer: b4 0.13.0 X-ClientProxiedBy: AS4P192CA0010.EURP192.PROD.OUTLOOK.COM (2603:10a6:20b:5da::17) To DB9PR04MB9354.eurprd04.prod.outlook.com (2603:10a6:10:36c::10) Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB9PR04MB9354:EE_|AS8PR04MB8434:EE_ X-MS-Office365-Filtering-Correlation-Id: 1cb56b9a-b29d-4547-6cac-08dcfeef02b3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|52116014|376014|1800799024|7416014|366016|38350700014; X-Microsoft-Antispam-Message-Info: =?utf-8?q?ZB0+EovLJqVNPDUX4y2RXeZmyF8YvFw?= =?utf-8?q?BVF41Xhar4BxHJrBLYQQlpLj4HPREo27We56w7wMfST8B+Xe6pfYJz/655QRsKzCe?= =?utf-8?q?dYS4NAS5tGGx4j5f8Z37zX0KIgIR253rvCFgb7isXx1kGVZUkdYN5rajkeC7vu+s7?= =?utf-8?q?9/qogXED7rYLGfxdk81R5zc4sVvWzM4dTX7UKrUoP7wpR9jX9fGDz4aJEPL2J57wp?= =?utf-8?q?amg0EI2eoau3c9HIbvh0RkFbcCF5V4wrWicilDeWF+SCrpFawUzIZlkuoKJy0fpDl?= =?utf-8?q?OCAMgSRzKChiJEnjjEzKiDuuP6DYb9UZKiOupSPmqxvoB5sWW1Am+gmlUvm6ZyrsX?= =?utf-8?q?e0D7Sx2DFGVPcPOZ0Y5QdBO0Xaz8Gf5zBR7BU6McDpU4mOVlodlfVm/IHE3HpzJD4?= =?utf-8?q?U7hgrMowOXGke+LEI9RuqhEGvKRyumZf5L6FEJ+w6yvCzcLmdfNGbHwKjyg63uVUv?= =?utf-8?q?KnTSYMpvP+0G+D5i2edTF+2SAbKFBPPQfeiU5PuLvpQVpF1jMpdLmVMIimVMEncDS?= =?utf-8?q?WK9RlE6jDbbA2nXtCU+2M8v+alfc5+LNeLjNaKX6zpEyx3c81Spby0CUuBByjvaJM?= =?utf-8?q?DrHgs3SimDS336m554Tk4UNUYw8BqmUaFnoftHY0mXG/UxITfEVou0erh6OEcCI4o?= =?utf-8?q?iu9LwVYVRRkc2/GK6B35l1/xBjneFo0QwSuWZk8LmnY/wIfpRHKJyxpTpSrkKUGDj?= =?utf-8?q?kYSiHOUc7OT8OefBLd2SWMPkEzLvOi068EnE5VVmWbsVavEhgh5Wl+4LY4XXmUZXP?= =?utf-8?q?hwnIEFmiBDa59oSY1E57o/xlMIzKjceO8B+ThsXQQZx/EYfcWLbpPaKTNdG400bMm?= =?utf-8?q?fVKr2eGpro3zcq8d6LJaEhgCKJQWJHU8s86IiG/7463FIK+iLwQ4kab2Um0tKL4i8?= =?utf-8?q?mIYfi3Nds3gnOwSYl7l+ZYO71opxxCn9Z2R+Bi4O/BY1eYtemqUhKJrNkeL0EFRqK?= =?utf-8?q?TdImjnT9yfS6YmQkrv96jcPo7c4uVkLkiX2SsC7ETC7w9nu8Hwovzpa4KmHv7gk4f?= =?utf-8?q?pK+temMP3DleBKxw1m44UjSSUB0QwJJY/ybLcK8AgflPRwtD6ylDRR3KIpmtol0VB?= =?utf-8?q?h/cqy7QEFXe5AquypkIbq5V5e0zf5xHw6cQPgM1VXUKFsB65y5smUQR91VPr3npIE?= =?utf-8?q?C68i5R1WCP08njNfzK62V0JrCqvHDNJw3zxUNAb1iAKgxSxFryjeZNVdmq+au7d3A?= =?utf-8?q?lwpRFI8csltpbNIR++Pu2MmmDH3szgXRCz1jZBzrksKOAKUlmSZAsn594gZzYJ1om?= =?utf-8?q?QGoG6KY6gAe6cG2vRhgszKUpRorxdNVhxFA7dB/zwb3v4z6qAxNGfx9A=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DB9PR04MB9354.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(52116014)(376014)(1800799024)(7416014)(366016)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?3HVBBX71p5HmWtZIQR5FGMmyPQgC?= =?utf-8?q?EKFBsvq9YAfBeG3jz2TKziyoU0owC5L+UvsmdxqF1KKKUUzjbbA0etsielhI7Cppq?= =?utf-8?q?Qu931PPUlTH3ce1bbFNcHUy0XnHO7afwOWn8navAiJiGC8KHo3N9pTu+OI8hnJ12e?= =?utf-8?q?IPXHEN18MI3Nucg5DmCnQksgogmqCW1hFoLoZKUmnYAdx0oybOye4ZBclE9IJkoUS?= =?utf-8?q?88xtmulFEx4SLVZRnvnErPjgEJntFqtg5c4D/BVFwAJON2P0IqDaX9QDFDxWrsmti?= =?utf-8?q?jxUaSAIUT3SPch7J1fIsQO6A3/dVGfG/p3uqL1MxQAcHfcFxrQV1OAQ6pYC+BxyvW?= =?utf-8?q?B7vGscxYUm8AbXKh9dSZVJd9RbjA/q3tcA/HBer6o9rpv2m6AF+TNE6xreEZvfHVe?= =?utf-8?q?QCdnKOHyyyJLJ9HwS97XLLIhVlc6BQdNN44++i91hjVX0xmHLjSRLMnmmx8WuHU7o?= =?utf-8?q?ZbjPuqGT1i/XJ3FzafQPKl0xMlvAHFC0JBivUxMEmmqVZWvj1EF7CZmlARFt0mskt?= =?utf-8?q?qsNlCIlC9e/7zijbo7aoO6wEen+GEGQmMYjhlTSA7mx5jQfIOIqXj/HVqiCZTsTxi?= =?utf-8?q?fOBjuTGXQOGEuHBDW09oPBGNdyejjCAfiRndJ2L+YPqhfUX67wfFGU7GshUvGIgKU?= =?utf-8?q?VIHcDRUM3R4BUJML5ghbVT55aY8gAzTSg3jcuE1w/OzJupllNO98/+A474aAF7kvp?= =?utf-8?q?3Chm8bXvyk1j+Wb4oDaVGWgmtpSkp00HiAbZ7FVHhrk8+aLYkFqLagF4Aza+C+x29?= =?utf-8?q?4uUFlaNOkNpHBOMXVBB+Ebm73ALGi8Ho9h0FgHkPJ9Zz6K5RFmDHc5+wsovIwreim?= =?utf-8?q?bNFmw9h781squr6FyRoqQGjAthgWMPs/BroaEyrWQoFxevIi+4ywHAB5llk9zuwTu?= =?utf-8?q?6EXPm6bH+g9ODOk+iEf9kVbkUHX5z/aEhNXN0rXCPJZLY5EbUyQNb/qZH6nkIPLyU?= =?utf-8?q?OnQDRshimnrIqLcTVQiyu7ozCm7PtUBf8VXEjIWY3PreMGAmDxCq0HNqC44S8m6/R?= =?utf-8?q?whTIpvZMm/dPdFTB68ryvHf0FXipjal0s00oDfysnb9QylNCcgRuuM7flL5oXfbX0?= =?utf-8?q?pFaJi2c9BoUnbFz3t3a897ZeHGYCD9HYNYB1oyGvEBZVQVK+RmaU1A2sHbQHOsHyX?= =?utf-8?q?xA6jQjbZ5TSA8EF9tOx6W9RMURQ+CntO24Vip/kFXvisomU5Fjn8EWr0yIfN3lK9W?= =?utf-8?q?5WbTqbz+enlsiSZQtk6bcHP0rmShfZP/moaeKrKDOrrFzL2OiQ3ZiAhkRwJl1loWn?= =?utf-8?q?c/Zmu06DTg1uu7rnYTiUQTZvhJAX0f30figlzcSFXnNFdXWFRkA83EFv8TeEc8Aob?= =?utf-8?q?JzjnjUDAtXC1md/2MSuWZZxkEYOJMKavOSJsHlYQYXOAJAVHQrnZWQ3qDXi8iEMuP?= =?utf-8?q?P+Xo+5TtWCJRSdXuxvZo/TMnET2fGcw2x9xghgtTWgQsVAmOY8Fo+8SfuqnEwNH/V?= =?utf-8?q?VOq9keJUCnkjGJckb04ole6CK0U6hRc2Fl/x2/nfTTP9Rq+06NzUBaSHBwYJTl3n9?= =?utf-8?q?K5YvWuBgWcZb?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1cb56b9a-b29d-4547-6cac-08dcfeef02b3 X-MS-Exchange-CrossTenant-AuthSource: DB9PR04MB9354.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Nov 2024 05:42:47.6981 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 74fvoQnsMgpdZiqGIj6kyzRj6h+mF0odvvhO1dRrD4JIYZWXq6Po387YA8FwTsAoeV4WHvc8dsTgLIw9p/9rmw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB8434 The Security Violation module requires below System Controller Security controller API to interact with SNVS block via SCFW - imx_sc_seco_build_info - imx_sc_seco_secvio_enable - imx_sc_seco_secvio_config - imx_sc_seco_secvio_dgo_config Signed-off-by: Franck LENORMAND Reviewed-by: Iuliana Prodan Reviewed-by: Horia Geanta Signed-off-by: Dong Aisheng Signed-off-by: Vabhav Sharma --- drivers/firmware/imx/Makefile | 2 +- drivers/firmware/imx/imx-scu.c | 4 +- drivers/firmware/imx/seco.c | 216 ++++++++++++++++++++++++++++++++++ include/linux/firmware/imx/ipc.h | 1 + include/linux/firmware/imx/sci.h | 4 + include/linux/firmware/imx/svc/seco.h | 69 +++++++++++ 6 files changed, 294 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/imx/Makefile b/drivers/firmware/imx/Makefile index 8d046c341be8..7aaecf570c56 100644 --- a/drivers/firmware/imx/Makefile +++ b/drivers/firmware/imx/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_IMX_DSP) += imx-dsp.o -obj-$(CONFIG_IMX_SCU) += imx-scu.o misc.o imx-scu-irq.o rm.o imx-scu-soc.o +obj-$(CONFIG_IMX_SCU) += imx-scu.o misc.o imx-scu-irq.o rm.o imx-scu-soc.o seco.o obj-${CONFIG_IMX_SCMI_MISC_DRV} += sm-misc.o diff --git a/drivers/firmware/imx/imx-scu.c b/drivers/firmware/imx/imx-scu.c index 1dd4362ef9a3..c96dc73689a8 100644 --- a/drivers/firmware/imx/imx-scu.c +++ b/drivers/firmware/imx/imx-scu.c @@ -242,9 +242,11 @@ int imx_scu_call_rpc(struct imx_sc_ipc *sc_ipc, void *msg, bool have_resp) * APIs are defined as void function in SCU firmware, so they * should be treated as return success always. */ - if ((saved_svc == IMX_SC_RPC_SVC_MISC) && + if (((saved_svc == IMX_SC_RPC_SVC_MISC) && (saved_func == IMX_SC_MISC_FUNC_UNIQUE_ID || saved_func == IMX_SC_MISC_FUNC_GET_BUTTON_STATUS)) + || (saved_svc == IMX_SC_RPC_SVC_SECO && + saved_func == IMX_SC_SECO_FUNC_BUILD_INFO)) ret = 0; } diff --git a/drivers/firmware/imx/seco.c b/drivers/firmware/imx/seco.c new file mode 100644 index 000000000000..2d6bf301ac87 --- /dev/null +++ b/drivers/firmware/imx/seco.c @@ -0,0 +1,216 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2020, 2024 NXP + * + * File containing client-side RPC functions for the SECO service. These + * function are ported to clients that communicate to the SC. + */ + +#include + +struct imx_sc_msg_seco_get_build_id { + struct imx_sc_rpc_msg hdr; + u32 version; + u32 commit; +} __packed __aligned(4); + +int imx_sc_seco_build_info(struct imx_sc_ipc *ipc, uint32_t *version, + uint32_t *commit) +{ + struct imx_sc_msg_seco_get_build_id msg; + struct imx_sc_rpc_msg *hdr = &msg.hdr; + int ret; + + hdr->ver = IMX_SC_RPC_VERSION; + hdr->svc = IMX_SC_RPC_SVC_SECO; + hdr->func = IMX_SC_SECO_FUNC_BUILD_INFO; + hdr->size = 1; + + ret = imx_scu_call_rpc(ipc, &msg, true); + if (ret) + return ret; + + if (version) + *version = msg.version; + if (commit) + *commit = msg.commit; + + return 0; +} +EXPORT_SYMBOL(imx_sc_seco_build_info); + +int imx_sc_seco_secvio_enable(struct imx_sc_ipc *ipc) +{ + struct imx_sc_rpc_msg msg; + struct imx_sc_rpc_msg *hdr = &msg; + + hdr->ver = IMX_SC_RPC_VERSION; + hdr->svc = IMX_SC_RPC_SVC_SECO; + hdr->func = IMX_SC_SECO_FUNC_SECVIO_ENABLE; + hdr->size = 1; + + return imx_scu_call_rpc(ipc, &msg, true); +} +EXPORT_SYMBOL(imx_sc_seco_secvio_enable); + +struct imx_sc_msg_req_seco_config { + struct imx_sc_rpc_msg hdr; + u32 data0; + u32 data1; + u32 data2; + u32 data3; + u32 data4; + u8 id; + u8 access; + u8 size; +} __packed __aligned(4); + +struct imx_sc_msg_resp_seco_config { + struct imx_sc_rpc_msg hdr; + u32 data0; + u32 data1; + u32 data2; + u32 data3; + u32 data4; +} __packed __aligned(4); + +int imx_sc_seco_secvio_config(struct imx_sc_ipc *ipc, u8 id, u8 access, + u32 *data0, u32 *data1, u32 *data2, u32 *data3, + u32 *data4, u8 size) +{ + struct imx_sc_msg_req_seco_config msg; + struct imx_sc_msg_resp_seco_config *resp; + struct imx_sc_rpc_msg *hdr = &msg.hdr; + int ret; + + hdr->ver = IMX_SC_RPC_VERSION; + hdr->svc = IMX_SC_RPC_SVC_SECO; + hdr->func = IMX_SC_SECO_FUNC_SECVIO_CONFIG; + hdr->size = 7; + + /* Check the pointers on data are valid and set it if doing a write */ + switch (size) { + case 5: + if (data4) { + if (access) + msg.data4 = *data4; + } else { + return -EINVAL; + } + fallthrough; + case 4: + if (data3) { + if (access) + msg.data3 = *data3; + } else { + return -EINVAL; + } + fallthrough; + case 3: + if (data2) { + if (access) + msg.data2 = *data2; + } else { + return -EINVAL; + } + fallthrough; + case 2: + if (data1) { + if (access) + msg.data1 = *data1; + } else { + return -EINVAL; + } + fallthrough; + case 1: + if (data0) { + if (access) + msg.data0 = *data0; + } else { + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + msg.id = id; + msg.access = access; + msg.size = size; + + ret = imx_scu_call_rpc(ipc, &msg, true); + if (ret) + return ret; + + resp = (struct imx_sc_msg_resp_seco_config *)&msg; + + /* Pointers already checked so we just copy the data if reading */ + if (!access) + switch (size) { + case 5: + *data4 = resp->data4; + fallthrough; + case 4: + *data3 = resp->data3; + fallthrough; + case 3: + *data2 = resp->data2; + fallthrough; + case 2: + *data1 = resp->data1; + fallthrough; + case 1: + *data0 = resp->data0; + } + + return 0; +} +EXPORT_SYMBOL(imx_sc_seco_secvio_config); + +struct imx_sc_msg_req_seco_dgo_config { + struct imx_sc_rpc_msg hdr; + u32 data; + u8 id; + u8 access; +} __packed __aligned(4); + +struct imx_sc_msg_resp_seco_dgo_config { + struct imx_sc_rpc_msg hdr; + u32 data; +} __packed __aligned(4); + +int imx_sc_seco_secvio_dgo_config(struct imx_sc_ipc *ipc, u8 id, u8 access, + u32 *data) +{ + struct imx_sc_msg_req_seco_dgo_config msg; + struct imx_sc_msg_resp_seco_dgo_config *resp; + struct imx_sc_rpc_msg *hdr = &msg.hdr; + int ret; + + hdr->ver = IMX_SC_RPC_VERSION; + hdr->svc = IMX_SC_RPC_SVC_SECO; + hdr->func = IMX_SC_SECO_FUNC_SECVIO_DGO_CONFIG; + hdr->size = 3; + + if (access) { + if (data) + msg.data = *data; + else + return -EINVAL; + } + + msg.access = access; + msg.id = id; + + ret = imx_scu_call_rpc(ipc, &msg, true); + if (ret) + return ret; + + resp = (struct imx_sc_msg_resp_seco_dgo_config *)&msg; + + if (!access && data) + *data = resp->data; + + return 0; +} +EXPORT_SYMBOL(imx_sc_seco_secvio_dgo_config); diff --git a/include/linux/firmware/imx/ipc.h b/include/linux/firmware/imx/ipc.h index 0b4643571625..df38ab8e7e2e 100644 --- a/include/linux/firmware/imx/ipc.h +++ b/include/linux/firmware/imx/ipc.h @@ -25,6 +25,7 @@ enum imx_sc_rpc_svc { IMX_SC_RPC_SVC_PAD = 6, IMX_SC_RPC_SVC_MISC = 7, IMX_SC_RPC_SVC_IRQ = 8, + IMX_SC_RPC_SVC_SECO = 9, }; struct imx_sc_rpc_msg { diff --git a/include/linux/firmware/imx/sci.h b/include/linux/firmware/imx/sci.h index df17196df5ff..947e49d8bebc 100644 --- a/include/linux/firmware/imx/sci.h +++ b/include/linux/firmware/imx/sci.h @@ -15,6 +15,10 @@ #include #include #include +#include + +#define IMX_SC_IRQ_SECVIO BIT(6) /* Security violation */ +#define IMX_SC_IRQ_GROUP_WAKE 3 /* Wakeup interrupts */ #if IS_ENABLED(CONFIG_IMX_SCU) int imx_scu_enable_general_irq_channel(struct device *dev); diff --git a/include/linux/firmware/imx/svc/seco.h b/include/linux/firmware/imx/svc/seco.h new file mode 100644 index 000000000000..508444c02d39 --- /dev/null +++ b/include/linux/firmware/imx/svc/seco.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2020, 2024 NXP + * + * Header file containing the public API for the System Controller (SC) + * Security Controller (SECO) function. + * + * SECO_SVC (SVC) Security Controller Service + * + * Module for the Security Controller (SECO) service. + */ + +#ifndef _SC_SECO_API_H +#define _SC_SECO_API_H + +#include +#include + +/* + * This type is used to indicate RPCs/RM/SECO function calls. + */ +enum imx_sc_seco_func { + IMX_SC_SECO_FUNC_UNKNOWN = 0, + IMX_SC_SECO_FUNC_BUILD_INFO = 16, + IMX_SC_SECO_FUNC_SECVIO_ENABLE = 25, + IMX_SC_SECO_FUNC_SECVIO_CONFIG = 26, + IMX_SC_SECO_FUNC_SECVIO_DGO_CONFIG = 27, +}; + +#if IS_ENABLED(CONFIG_IMX_SCU) +int imx_sc_seco_build_info(struct imx_sc_ipc *ipc, uint32_t *version, + uint32_t *commit); +int imx_sc_seco_secvio_enable(struct imx_sc_ipc *ipc); +int imx_sc_seco_secvio_config(struct imx_sc_ipc *ipc, u8 id, u8 access, + u32 *data0, u32 *data1, u32 *data2, u32 *data3, + u32 *data4, u8 size); +int imx_sc_seco_secvio_dgo_config(struct imx_sc_ipc *ipc, u8 id, u8 access, + u32 *data); +#else /* IS_ENABLED(CONFIG_IMX_SCU) */ +static inline +int imx_sc_seco_build_info(struct imx_sc_ipc *ipc, uint32_t *version, + uint32_t *commit) +{ + return -EOPNOTSUPP; +} + +static inline +int imx_sc_seco_secvio_enable(struct imx_sc_ipc *ipc) +{ + return -EOPNOTSUPP; +} + +static inline +int imx_sc_seco_secvio_config(struct imx_sc_ipc *ipc, u8 id, u8 access, + u32 *data0, u32 *data1, u32 *data2, u32 *data3, + u32 *data4, u8 size) +{ + return -EOPNOTSUPP; +} + +static inline +int imx_sc_seco_secvio_dgo_config(struct imx_sc_ipc *ipc, u8 id, u8 access, + u32 *data) +{ + return -EOPNOTSUPP; +} +#endif /* IS_ENABLED(CONFIG_IMX_SCU) */ + +#endif /* _SC_SECO_API_H */