From patchwork Thu Jun 10 05:22:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 12311857 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=-16.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,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 01240C47094 for ; Thu, 10 Jun 2021 05:27:19 +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 B7510613E1 for ; Thu, 10 Jun 2021 05:27:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B7510613E1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=wdc.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=cON/Z/74DsXimHHay7fZ/ZXgArqozMbWJHAG38BLl9o=; b=ZxbTIitzFn2GZH wENVnZ0rKRfOz/0+o+bCJbnUonpETCD9dXJ0gMgXJYxgy+2pp0A+ELitj+HobfFVMAy7xOtiGEDfp 2XRn8AnRoP1kbfoFJ5WdfgsCowzZV/h/DmHDCnAYTpyNMro0trrvua8IJJsd47BR5WtzSjRBvjaEZ +GXdfRLV0oLKMcK1EgJrTCv4yCUxQbJgrhLwPmeWEtiZ7DxLq8x0VRQRd2Uy+U0zvBoM9fnWLIOoY l/IMKcqUhJOAt6YjU3RbQ+Jcs3xc1oiC80o6SqOKw/Y//1uweIc45kPfLg3p8ojzuygEeHkem8mNN uwWIBQx5TQNBiNx8AEeA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lrDAl-00GvV1-J7; Thu, 10 Jun 2021 05:24:08 +0000 Received: from esa2.hgst.iphmx.com ([68.232.143.124]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lrD9p-00Gv9c-5L; Thu, 10 Jun 2021 05:23:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1623302590; x=1654838590; h=from:to:cc:subject:date:message-id:in-reply-to: references:content-transfer-encoding:mime-version; bh=UeD+FgLO9aIjFzdKrHDcrkqDgbjr4ljOtP7t6+n6Irg=; b=OZYj5Uf2tsum9BlzZipE12WgIeWF4HF2q7xph2Z7f444Zt4ObGCb0auP HpGbDRd0F65BZcr5/QHZCu3iHmM6rzxaqVQ7d7uMFmbTNR/ojeQZi5Rei AjCI5rWBDpFuTRHVKnC+lsKe2RfGYwHaaFkZXvT+0m4yH5NBiWQatBH/I K5iDkzoGtnJM3q2PVOnbFj0ZXp+I2g8QAWyBWO7lKU3gMLH+qFWgnxt9t cGAD3kVQOW1oypvsGvvO6QuZnnbGeQUoptwsCXJDjRjzpZey/JNnHLooy nPYbAi1AK2SYr+pqjwuNY9kZyU45b8RFCyS2cCMdHuErjUTmdMVraMSqb A==; IronPort-SDR: X2efCUNs9rpXmv4F5h3aBnhkuqxkpzHKSCn3H8RnSWzYl2yXYWN1/KiISZmQ+e4gcb8AytCKo2 JCCuo/RvPGmSRcoKQrGWiRIzxPVCw+ogHbbkQe+khPa3QLziUxnN4nUIFR2DIOu+q578wuhB/g 7E6XOmgFxEauRH8kKX2TYefxnERwzHYbKh3yv9mgISGylv4l/tlUNfajYfDvN++a4eQ1bNmgJH XsbrlmZD0JMGYz6yfHbQaWnE2mNL0JNgBwSBQGXNwLZnPSAE6ULS8qBbDQBrcs9eQAZPy89JnH 8N0= X-IronPort-AV: E=Sophos;i="5.83,262,1616428800"; d="scan'208";a="275211803" Received: from mail-dm6nam11lp2176.outbound.protection.outlook.com (HELO NAM11-DM6-obe.outbound.protection.outlook.com) ([104.47.57.176]) by ob1.hgst.iphmx.com with ESMTP; 10 Jun 2021 13:23:07 +0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=QmVE5xFC4cttD2mGJMEf+ptv5ju+xGvrK+UZ4CmtakFYG84zKYvaLwCyxdWpLBsGnNyGPZ8nFyMxUagIL6B6nfcULjLISLlJG8npe2g9NIISgWjUTy7awbigKe3ecjcQjPhDqpmEpLBvlV/0lXms4TERsaw8hUdGVXSqko/3/wx77q2+GSfXq0mWgQVZG8s6joo0+pH+7RtyLBbcVZa6fMiV4YZ6yy93rXC1KNuX+xOogl9LQ3mhzy7T8cmZyZg9WgqDsX2FNNihI+xSPK8u1BLLgN2pJK+tANe63Eoi2PACyNioqqF/PG7ec+P/AepUzwEilzAWsH8ADMQDfCRhxA== 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=4QXaNsRGTyDgz2Sn7I2zPdXMtXIGlsEhVecpbL/TqiQ=; b=mP59kk1sJNmZbrUusFFDoCZGNBkTWkXTbXELL/Np3acMzeDrnM9chxNijrnTaIfwbq6t1xd1rf01cf5nxPc49c0DzyYhpgZziJlqWgPqIZmIEDgwXqPH3IarhmEeDpR1a6SqfuTp0OZ+sxwVs5ELSzLtm2jgi9Y+vc8ZXZj0ubNx9rgQrvWx/kE01Dj7sZTJ4q/Bc35DXoZHe1PTOgqbHmMo7wPrcpwRvcOuMwPiLcUjrmCLQiIh1GwbayC2SNvtgx6yDmgsY45HGa0RY4kpT74lBdxefrE6Tn5RyKYjQ1O6tw2UlViq1kApl7KIUjJtkn52+SqRQBBUnhuTauznLg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=wdc.com; dmarc=pass action=none header.from=wdc.com; dkim=pass header.d=wdc.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sharedspace.onmicrosoft.com; s=selector2-sharedspace-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=4QXaNsRGTyDgz2Sn7I2zPdXMtXIGlsEhVecpbL/TqiQ=; b=ScbhqNSZRfICQFC5bza20Z0rVZPy+82xLCgEDjL9b6rHO83Tjd3FsxFkuTw5PsyvzESeA+Ls+RAAt0B06yvIyz/zRG+jwUKnaRnt4KIGnQmT0kL8Yv/LYFxlHBJ8uGH7R1gxiS+yBSbR+1VGbtMEdpQrrlipLOhT0xAGSsCprMY= Authentication-Results: dabbelt.com; dkim=none (message not signed) header.d=none;dabbelt.com; dmarc=none action=none header.from=wdc.com; Received: from CO6PR04MB7812.namprd04.prod.outlook.com (2603:10b6:303:138::6) by CO6PR04MB7778.namprd04.prod.outlook.com (2603:10b6:303:13e::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4219.21; Thu, 10 Jun 2021 05:23:06 +0000 Received: from CO6PR04MB7812.namprd04.prod.outlook.com ([fe80::a153:b7f8:c87f:89f8]) by CO6PR04MB7812.namprd04.prod.outlook.com ([fe80::a153:b7f8:c87f:89f8%9]) with mapi id 15.20.4219.021; Thu, 10 Jun 2021 05:23:06 +0000 From: Anup Patel To: Palmer Dabbelt , Palmer Dabbelt , Paul Walmsley , Albert Ou , Daniel Lezcano , Ulf Hansson , "Rafael J . Wysocki" , Pavel Machek , Rob Herring Cc: Sandeep Tripathy , Atish Patra , Alistair Francis , Liush , Anup Patel , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Anup Patel Subject: [PATCH v7 4/8] RISC-V: Add SBI HSM suspend related defines Date: Thu, 10 Jun 2021 10:52:17 +0530 Message-Id: <20210610052221.39958-5-anup.patel@wdc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210610052221.39958-1-anup.patel@wdc.com> References: <20210610052221.39958-1-anup.patel@wdc.com> X-Originating-IP: [122.171.172.180] X-ClientProxiedBy: MA1PR01CA0182.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:d::8) To CO6PR04MB7812.namprd04.prod.outlook.com (2603:10b6:303:138::6) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from wdc.com (122.171.172.180) by MA1PR01CA0182.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:d::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4219.21 via Frontend Transport; Thu, 10 Jun 2021 05:23:01 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 1d3ca70b-97e1-4624-ab28-08d92bcfd3c0 X-MS-TrafficTypeDiagnostic: CO6PR04MB7778: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: WDCIPOUTBOUND: EOP-TRUE X-MS-Oob-TLC-OOBClassifiers: OLM:220; X-MS-Exchange-SenderADCheck: 1 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:CO6PR04MB7812.namprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(366004)(396003)(346002)(39860400002)(136003)(376002)(8936002)(110136005)(54906003)(44832011)(55016002)(5660300002)(7696005)(8676002)(316002)(83380400001)(8886007)(956004)(66946007)(66476007)(4326008)(1076003)(478600001)(38350700002)(2616005)(15650500001)(36756003)(66556008)(26005)(16526019)(2906002)(7416002)(6666004)(38100700002)(186003)(86362001)(52116002); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1d3ca70b-97e1-4624-ab28-08d92bcfd3c0 X-MS-Exchange-CrossTenant-AuthSource: CO6PR04MB7812.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Jun 2021 05:23:06.2192 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: chqJOEhVI9fjCOBDPDbQ0k26vg6eQTvXZTc8RoqR7r9UopvNorUH3LO/nPYFFVrJiRx+eW/Xf7hf4lJOqsDT+g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO6PR04MB7778 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_222309_354820_A2071FAC X-CRM114-Status: GOOD ( 13.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org We add defines related to SBI HSM suspend call and also update HSM states naming as-per latest SBI specification. Signed-off-by: Anup Patel --- arch/riscv/include/asm/sbi.h | 27 ++++++++++++++++++++++----- arch/riscv/kernel/cpu_ops_sbi.c | 2 +- 2 files changed, 23 insertions(+), 6 deletions(-) diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index 289621da4a2a..ab9782f8da52 100644 --- a/arch/riscv/include/asm/sbi.h +++ b/arch/riscv/include/asm/sbi.h @@ -62,15 +62,32 @@ enum sbi_ext_hsm_fid { SBI_EXT_HSM_HART_START = 0, SBI_EXT_HSM_HART_STOP, SBI_EXT_HSM_HART_STATUS, + SBI_EXT_HSM_HART_SUSPEND, }; -enum sbi_hsm_hart_status { - SBI_HSM_HART_STATUS_STARTED = 0, - SBI_HSM_HART_STATUS_STOPPED, - SBI_HSM_HART_STATUS_START_PENDING, - SBI_HSM_HART_STATUS_STOP_PENDING, +enum sbi_hsm_hart_state { + SBI_HSM_STATE_STARTED = 0, + SBI_HSM_STATE_STOPPED, + SBI_HSM_STATE_START_PENDING, + SBI_HSM_STATE_STOP_PENDING, + SBI_HSM_STATE_SUSPENDED, + SBI_HSM_STATE_SUSPEND_PENDING, + SBI_HSM_STATE_RESUME_PENDING, }; +#define SBI_HSM_SUSP_BASE_MASK 0x7fffffff +#define SBI_HSM_SUSP_NON_RET_BIT 0x80000000 +#define SBI_HSM_SUSP_PLAT_BASE 0x10000000 + +#define SBI_HSM_SUSPEND_RET_DEFAULT 0x00000000 +#define SBI_HSM_SUSPEND_RET_PLATFORM SBI_HSM_SUSP_PLAT_BASE +#define SBI_HSM_SUSPEND_RET_LAST SBI_HSM_SUSP_BASE_MASK +#define SBI_HSM_SUSPEND_NON_RET_DEFAULT SBI_HSM_SUSP_NON_RET_BIT +#define SBI_HSM_SUSPEND_NON_RET_PLATFORM (SBI_HSM_SUSP_NON_RET_BIT | \ + SBI_HSM_SUSP_PLAT_BASE) +#define SBI_HSM_SUSPEND_NON_RET_LAST (SBI_HSM_SUSP_NON_RET_BIT | \ + SBI_HSM_SUSP_BASE_MASK) + enum sbi_ext_srst_fid { SBI_EXT_SRST_RESET = 0, }; diff --git a/arch/riscv/kernel/cpu_ops_sbi.c b/arch/riscv/kernel/cpu_ops_sbi.c index 685fae72b7f5..5fd90f03a3e9 100644 --- a/arch/riscv/kernel/cpu_ops_sbi.c +++ b/arch/riscv/kernel/cpu_ops_sbi.c @@ -97,7 +97,7 @@ static int sbi_cpu_is_stopped(unsigned int cpuid) rc = sbi_hsm_hart_get_status(hartid); - if (rc == SBI_HSM_HART_STATUS_STOPPED) + if (rc == SBI_HSM_STATE_STOPPED) return 0; return rc; }