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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53D84C2BA19 for ; Thu, 23 Apr 2020 07:09:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DBD97208E4 for ; Thu, 23 Apr 2020 07:08:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nrPBJGw/"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="a/51B6b4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DBD97208E4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xVbgU2PEIV1obsrAV7qwVN2HDdR32dn4q3G3lJV8t8w=; b=nrPBJGw/ECrJIE f7nJ9BoCqSgiHQLPnWPYDSj26aOV/s1BlJHRu5QF9SL7cAMA+y3Bf1PtdjvnMx27/LPloRDf9BYcc 3nK8dDKI2lCfvvkNOMwGo2WryM9CQ9ozb2pIzLolyMBoO9zuFb5XnG8Fw5xQxBL/DVqxkHzuKJQ0Y N2TdWcmDqmM1Zo8Z/HyQdmv5o2VLw0gaPkanNLFlw3DGIC8ArlxlCy6zWgKGZ+0FjlRPpsuCY+rB5 5gWfhLWNYMD9L/TGe14wwy13CtkvNQIxMF77xfQgvEMr19XRf2D3lLs4QPU3IZ/6Izc8MbF10Dpl/ i71fVP8xkDLwoK8Sm9qQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jRVyh-0004Gm-3v; Thu, 23 Apr 2020 07:08:55 +0000 Received: from mail-eopbgr60055.outbound.protection.outlook.com ([40.107.6.55] helo=EUR04-DB3-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jRVyG-0003q8-Oa for linux-arm-kernel@lists.infradead.org; Thu, 23 Apr 2020 07:08:30 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ZiJ7qAiWZTkEF0Yo8GoM5G3WEp6MDlMrllmnhjK08Xc6l7wgP1vzFdcqrkbEw44J8pu5SaLXlvnao0YQR/tx3YI5eO5nUrcRmBSTDBFPPhp3y+dgPQAJxXBROLCvsKJeWOKfizIodw7cx0ThtbUQN8+G1ZkTi3aYSnxHFXu4jgCb3WhGbkA3pHidIyUtp4TL3yanSOCql+hMFXh6yst1OopttgPw/jbWsvcXjIeV1YkqRqsdKUUbg4Sq+oNA3/vtKFMZXfLhg9XiVQgYDKGgrS0AOAIetakT8oeX9nT6Dt105kWgy8IBtGq0ILvvvztoLjNBeuwI8iPtXKHIa2hZNQ== 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-SenderADCheck; bh=p4FEv099cAWG1Df1rkKDr0Qp9RWpyCfNJwRRLEZw59w=; b=e0EdGvu/nNyIJHPRevbP3fF9yXNhbehbBAAxns+6oSwcMdLtzerN98SUPphL3srXDh8h0DCTD5Kpq+Li8vFLa6oVzqFgCVvq6kFZ4Fk5m3HBATG3K6y6nNYNQqNkPzMxcwqoOw0gsx5pDuqSe6aEwbhAmQ5Z9kCPxHXqqv+1K3EpZyTgWsYYRb0RV3O0hQMGhQWaM9rIssriNJ8RibAvkpvAT6/JNgR5zWbAKFj21kGbkkVj+itjonneoCIYfW/vF/Ma7+5b8OhTrZQcQwtMM8wLAG/S5KT3+RqlpyTHv32GcE+Rss1TPSzy0XkZjsV3XX9zjr98vpNhmonbJD4o4w== 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=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=p4FEv099cAWG1Df1rkKDr0Qp9RWpyCfNJwRRLEZw59w=; b=a/51B6b44/cmKeXS5oYpPVS6cugFeQ75X0IXyLitAQfTblUl7jPOh37qBA19gjX1Qo5mX3MOzYIuyNE61Z6fdDif8jLPboN9l2BDjufwYgDTsfSy6nHxipkx8KOq+a6BMeI4y4TwiLckkDIJhXKBvtdP9/qAiQIM3cml/Uf2tfw= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=peng.fan@nxp.com; Received: from DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) by DB6PR0402MB2855.eurprd04.prod.outlook.com (2603:10a6:4:98::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2937.13; Thu, 23 Apr 2020 07:08:26 +0000 Received: from DB6PR0402MB2760.eurprd04.prod.outlook.com ([fe80::d17b:d767:19c3:b871]) by DB6PR0402MB2760.eurprd04.prod.outlook.com ([fe80::d17b:d767:19c3:b871%6]) with mapi id 15.20.2937.012; Thu, 23 Apr 2020 07:08:26 +0000 From: peng.fan@nxp.com To: shawnguo@kernel.org, s.hauer@pengutronix.de Subject: [PATCH 2/4] firmware: imx: add resource management api Date: Thu, 23 Apr 2020 14:59:32 +0800 Message-Id: <1587625174-32668-3-git-send-email-peng.fan@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1587625174-32668-1-git-send-email-peng.fan@nxp.com> References: <1587625174-32668-1-git-send-email-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR04CA0149.apcprd04.prod.outlook.com (2603:1096:3:16::33) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR04CA0149.apcprd04.prod.outlook.com (2603:1096:3:16::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.2937.13 via Frontend Transport; Thu, 23 Apr 2020 07:08:21 +0000 X-Mailer: git-send-email 2.7.4 X-Originating-IP: [119.31.174.66] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: d45d75b7-ebc6-4539-40d2-08d7e7551df0 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2855:|DB6PR0402MB2855: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7691; X-Forefront-PRVS: 03827AF76E X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:DB6PR0402MB2760.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(396003)(39860400002)(366004)(136003)(376002)(346002)(26005)(66946007)(4326008)(6512007)(9686003)(66476007)(6486002)(66556008)(69590400007)(6666004)(5660300002)(86362001)(8676002)(81156014)(6506007)(52116002)(16526019)(8936002)(2616005)(316002)(2906002)(478600001)(186003)(956004)(36756003); DIR:OUT; SFP:1101; Received-SPF: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: o4hIOXzDzE9U1fiY6oSKIt4k23QVSCzUppf+KXdYOyUJA+jn3/sX6Cf60tv+9bjRT92OmiB7T+udTADq+jzQsFq6LVXJY+Zp0MbJu7/7ayVzzJu8sKvGzv1Iynhb8q5hYU12LJ6B3xy65L46NVtJ39v5jbni8jhxVPL+AngepezhcssVVQAmj2BMB60fTYbLo0ySXMZvdxnQYm7cvgkcIeizskHIP3ZB5oTci/Bjg+1u/j/qZXMIWLoeCeNeuanljjvUaF49dAz7tO3/omQ+5SYS1vQp/pac8uxWHVt9rfSRZ9JzJ0FkEqm2B/uxmihxzyzhn6sui5cujIy4J/LJpRxnNRNy1b6R6jR2EFWN3TB7ihMZfWMnFBHv37PrGfUuK13PmRCeNVXzAoz5dwPJEwCnHFUWHh2d5A41TqowsdNWZOjHRt3MRIP9BIuyDK+xnLsRL3RBtucfbHnap9gkHKloHqVtUnP98E3Jmq2cYlCH+Vb4I0GZjJBUUzZm7cky X-MS-Exchange-AntiSpam-MessageData: 1bqFZJcmubYIdOPu6ff9c0T82ysRSoWtenMuOhuCyeS9wwoNOYwkYudxDtp+/vKC5SSfV/zgNn5KrqY8v3ZHkl5CaITImEvpiKOUj/sWMdzBVmJ8bppF5zCCXloLWFiIXsNZtLyLDW11bBddvcVybQ== X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: d45d75b7-ebc6-4539-40d2-08d7e7551df0 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Apr 2020 07:08:25.9194 (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: VXoDQrWrGOwekmnYwaxqh3MTbQOj9C3RjFCr6qNTTkN01rY65DqGvlFjrC1IVwe6OZdwaalr/B8Kt3nLFcEs8Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0402MB2855 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200423_000828_805674_278DB056 X-CRM114-Status: GOOD ( 16.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aisheng.dong@nxp.com, Peng Fan , festevam@gmail.com, qiangqing.zhang@nxp.com, linux@rempel-privat.de, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, leonard.crestez@nxp.com, daniel.baluta@nxp.com, linux-kernel@vger.kernel.org, linux-imx@nxp.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Peng Fan Add resource management API, when we have multiple partition running together, resources not owned to current partition should not be used. Reviewed-by: Leonard Crestez Signed-off-by: Peng Fan --- drivers/firmware/imx/Makefile | 2 +- drivers/firmware/imx/rm.c | 40 +++++++++++++++++++++ include/linux/firmware/imx/sci.h | 1 + include/linux/firmware/imx/svc/rm.h | 69 +++++++++++++++++++++++++++++++++++++ 4 files changed, 111 insertions(+), 1 deletion(-) create mode 100644 drivers/firmware/imx/rm.c create mode 100644 include/linux/firmware/imx/svc/rm.h diff --git a/drivers/firmware/imx/Makefile b/drivers/firmware/imx/Makefile index 08bc9ddfbdfb..17ea3613e142 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 +obj-$(CONFIG_IMX_SCU) += imx-scu.o misc.o imx-scu-irq.o rm.o obj-$(CONFIG_IMX_SCU_PD) += scu-pd.o diff --git a/drivers/firmware/imx/rm.c b/drivers/firmware/imx/rm.c new file mode 100644 index 000000000000..7b0334de5486 --- /dev/null +++ b/drivers/firmware/imx/rm.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2020 NXP + * + * File containing client-side RPC functions for the RM service. These + * function are ported to clients that communicate to the SC. + */ + +#include + +struct imx_sc_msg_rm_rsrc_owned { + struct imx_sc_rpc_msg hdr; + u16 resource; +} __packed __aligned(4); + +/* + * This function check @resource is owned by current partition or not + * + * @param[in] ipc IPC handle + * @param[in] resource resource the control is associated with + * + * @return Returns 0 for success and < 0 for errors. + */ +bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource) +{ + struct imx_sc_msg_rm_rsrc_owned msg; + struct imx_sc_rpc_msg *hdr = &msg.hdr; + + hdr->ver = IMX_SC_RPC_VERSION; + hdr->svc = IMX_SC_RPC_SVC_RM; + hdr->func = IMX_SC_RM_FUNC_IS_RESOURCE_OWNED; + hdr->size = 2; + + msg.resource = resource; + + imx_scu_call_rpc(ipc, &msg, true); + + return hdr->func; +} +EXPORT_SYMBOL(imx_sc_rm_is_resource_owned); diff --git a/include/linux/firmware/imx/sci.h b/include/linux/firmware/imx/sci.h index 17ba4e405129..b5c5a56f29be 100644 --- a/include/linux/firmware/imx/sci.h +++ b/include/linux/firmware/imx/sci.h @@ -15,6 +15,7 @@ #include #include +#include int imx_scu_enable_general_irq_channel(struct device *dev); int imx_scu_irq_register_notifier(struct notifier_block *nb); diff --git a/include/linux/firmware/imx/svc/rm.h b/include/linux/firmware/imx/svc/rm.h new file mode 100644 index 000000000000..fc6ea62d9d0e --- /dev/null +++ b/include/linux/firmware/imx/svc/rm.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * Copyright 2017-2019 NXP + * + * Header file containing the public API for the System Controller (SC) + * Power Management (PM) function. This includes functions for power state + * control, clock control, reset control, and wake-up event control. + * + * RM_SVC (SVC) Resource Management Service + * + * Module for the Resource Management (RM) service. + */ + +#ifndef _SC_RM_API_H +#define _SC_RM_API_H + +#include + +/* + * This type is used to indicate RPC RM function calls. + */ +enum imx_sc_rm_func { + IMX_SC_RM_FUNC_UNKNOWN = 0, + IMX_SC_RM_FUNC_PARTITION_ALLOC = 1, + IMX_SC_RM_FUNC_SET_CONFIDENTIAL = 31, + IMX_SC_RM_FUNC_PARTITION_FREE = 2, + IMX_SC_RM_FUNC_GET_DID = 26, + IMX_SC_RM_FUNC_PARTITION_STATIC = 3, + IMX_SC_RM_FUNC_PARTITION_LOCK = 4, + IMX_SC_RM_FUNC_GET_PARTITION = 5, + IMX_SC_RM_FUNC_SET_PARENT = 6, + IMX_SC_RM_FUNC_MOVE_ALL = 7, + IMX_SC_RM_FUNC_ASSIGN_RESOURCE = 8, + IMX_SC_RM_FUNC_SET_RESOURCE_MOVABLE = 9, + IMX_SC_RM_FUNC_SET_SUBSYS_RSRC_MOVABLE = 28, + IMX_SC_RM_FUNC_SET_MASTER_ATTRIBUTES = 10, + IMX_SC_RM_FUNC_SET_MASTER_SID = 11, + IMX_SC_RM_FUNC_SET_PERIPHERAL_PERMISSIONS = 12, + IMX_SC_RM_FUNC_IS_RESOURCE_OWNED = 13, + IMX_SC_RM_FUNC_GET_RESOURCE_OWNER = 33, + IMX_SC_RM_FUNC_IS_RESOURCE_MASTER = 14, + IMX_SC_RM_FUNC_IS_RESOURCE_PERIPHERAL = 15, + IMX_SC_RM_FUNC_GET_RESOURCE_INFO = 16, + IMX_SC_RM_FUNC_MEMREG_ALLOC = 17, + IMX_SC_RM_FUNC_MEMREG_SPLIT = 29, + IMX_SC_RM_FUNC_MEMREG_FRAG = 32, + IMX_SC_RM_FUNC_MEMREG_FREE = 18, + IMX_SC_RM_FUNC_FIND_MEMREG = 30, + IMX_SC_RM_FUNC_ASSIGN_MEMREG = 19, + IMX_SC_RM_FUNC_SET_MEMREG_PERMISSIONS = 20, + IMX_SC_RM_FUNC_IS_MEMREG_OWNED = 21, + IMX_SC_RM_FUNC_GET_MEMREG_INFO = 22, + IMX_SC_RM_FUNC_ASSIGN_PAD = 23, + IMX_SC_RM_FUNC_SET_PAD_MOVABLE = 24, + IMX_SC_RM_FUNC_IS_PAD_OWNED = 25, + IMX_SC_RM_FUNC_DUMP = 27, +}; + +#if IS_ENABLED(CONFIG_IMX_SCU) +bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource); +#else +static inline bool +imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource) +{ + return true; +} +#endif +#endif -- 2.16.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel