From patchwork Wed Feb 21 01:17:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Gunthorpe X-Patchwork-Id: 13564825 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10on2043.outbound.protection.outlook.com [40.107.94.43]) (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 A357C2C9A; Wed, 21 Feb 2024 01:17:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.94.43 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708478264; cv=fail; b=eZg16nk8KQyQknYsv96+z/lqbWzB4PP7LhPb8C8imjDcwVTHD2QO+BuTpCE5MYQkGZorXmYokBDBlZt0H6e70czNojQpJXKX8uCUeb7CwMQsc+O/FBPh2xH7BTQ0KwSlTjsOQybyepDd83XyqkcFpddOBUdV1X0Fm2UfY2odq54= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708478264; c=relaxed/simple; bh=e4m91W4UlLexF96Ehoh1+/PfJSahVk8Hic63bLrgQuo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=qDwpJuu+u9p4LBkld/kOeYGI1Z3zHHBNk34gJF6JKLgQNVnlf7jmzUtc6V6Z8SGqdotPVGwsStTqAY2LkvxOUHX7eYVm0MwgB2otwy5MHRQVL49dhtwXVApJmFev1cpyFpS8i1OQrJ4f99Vms9FI93iTJV32dbvzbhYWAeBdeH0= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=AlnvEmJ3; arc=fail smtp.client-ip=40.107.94.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="AlnvEmJ3" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=OVtwZz62wdgWteFNDOyItC5grrOL1Tj4/7ieud8SZsYQZMJldoY7hTfILSIw06DaHR4J3bVUpN3+h/8AYdB4woixifCf9SRv/HeRbEVOyMLMD6+eNeDXQdrhBya5I08aMNDO8KE9I6xVdCjRm1dW+/KTTh5pkXYDWE2/ptutxA8kRJ/pJf9Lo8tzg3LQSFAKmUK1wyaNyiIc+pbPTqBbgsW7b9yVuaaewZH6+k+SJ4htX4oaqhH5JGX/BU3XsIAjTQmOt2S22Z4j7OrnD9RGNAHJsO0hub+VBSHyPNUsXMEMTh4WkiLPovR/Eqlke5qhC9z56xzQP+I0xJeiwrUeew== 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=PRPh4dhsyZVmxVVomsPWCtm81IAZr2FMm5Xc6ZHkaQc=; b=OZ/YuBkZDNLcU5tMyls3jz04VSGkxj3mDUgrlOjA+5G+nkVAVJ7IRxXSJXXWffv8vEM3wurMU5OFDUCB0bQ+PengpC4bXw+zVqJLTMF6j2DpHJCKDEWwQK+AS5O6i0FDGDIUuKSGbbhOy6SAOy3ikIkuTqstaIp6DRENC7tdHj0KpCIlsp7Hs0H3NLc3OeG7TNI/uvxJSszbIOKda9dr9IbTs7ArM2VIJKmatUk+qBfboRza2gpTdPFPJa5/PdgMQpX6O5lOEhi7sGjAwKEXQb9uwiGB6LOQlA3FsPdvJStVVyxTdQUa5COVhRir4D6KYGqVEYuCF17dbp3cpbapfA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=PRPh4dhsyZVmxVVomsPWCtm81IAZr2FMm5Xc6ZHkaQc=; b=AlnvEmJ3js910k80SZfRiFl3lnuIhA813nk7syRboWIwlzprjGt9BCwqcTn2oInMG3x1Ohw+w5TgcMAYwWsy9jKUSOhWvEhep+wvFvwhM5RhQp/EtU9QtjQU4r5hSKwT0gdVCtZwalgAwE9Z2jg3tO6q2GJbCIq0/z2GMgz0f0PACA+PjgvonJs9+T8h0fAWjc97dTZ1fKzoQYHq+s08atJDnr1O9gnkey68ln/jF/sgBpEgJf/jKpSREo9sAvrD0OF/gj4/oQFzHeYdrWzWw+qPdGLb7V5OpVEIjMADcvgJw7hciYM97odIgos/tlm3fee34c8y6SNUDCzNM7SwoQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) by MN0PR12MB5714.namprd12.prod.outlook.com (2603:10b6:208:371::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7316.19; Wed, 21 Feb 2024 01:17:13 +0000 Received: from LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::96dd:1160:6472:9873]) by LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::96dd:1160:6472:9873%6]) with mapi id 15.20.7316.018; Wed, 21 Feb 2024 01:17:13 +0000 From: Jason Gunthorpe To: Alexander Gordeev , Andrew Morton , Christian Borntraeger , Borislav Petkov , Dave Hansen , "David S. Miller" , Eric Dumazet , Gerald Schaefer , Vasily Gorbik , Heiko Carstens , "H. Peter Anvin" , Justin Stitt , Jakub Kicinski , Leon Romanovsky , linux-rdma@vger.kernel.org, linux-s390@vger.kernel.org, llvm@lists.linux.dev, Ingo Molnar , Bill Wendling , Nathan Chancellor , Nick Desaulniers , netdev@vger.kernel.org, Paolo Abeni , Salil Mehta , Jijie Shao , Sven Schnelle , Thomas Gleixner , x86@kernel.org, Yisen Zhuang Cc: Arnd Bergmann , Catalin Marinas , Leon Romanovsky , linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Mark Rutland , Michael Guralnik , patches@lists.linux.dev, Niklas Schnelle , Will Deacon Subject: [PATCH 2/6] s390: Implement __iowrite32_copy() Date: Tue, 20 Feb 2024 21:17:06 -0400 Message-ID: <2-v1-38290193eace+5-mlx5_arm_wc_jgg@nvidia.com> In-Reply-To: <0-v1-38290193eace+5-mlx5_arm_wc_jgg@nvidia.com> References: X-ClientProxiedBy: MN2PR20CA0064.namprd20.prod.outlook.com (2603:10b6:208:235::33) To LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV2PR12MB5869:EE_|MN0PR12MB5714:EE_ X-MS-Office365-Filtering-Correlation-Id: 86fdd14e-590c-4538-a4bb-08dc327ad4c5 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:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV2PR12MB5869.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(921011);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 86fdd14e-590c-4538-a4bb-08dc327ad4c5 X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Feb 2024 01:17:11.8061 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: tg73HYJbMGHhYEl58jh/6me1JvXLicZLpyJN7/bN9FgQygsnZgoI3UgK3JmE1O5z X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5714 It is trivial to implement an inline to do this, so provide it in the s390 headers. Like the 64 bit version it should just invoke zpci_memcpy_toio() with the correct size. Acked-by: Niklas Schnelle Signed-off-by: Jason Gunthorpe --- arch/s390/include/asm/io.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h index 4453ad7c11aced..00704fc8a54b30 100644 --- a/arch/s390/include/asm/io.h +++ b/arch/s390/include/asm/io.h @@ -73,6 +73,14 @@ static inline void ioport_unmap(void __iomem *p) #define __raw_writel zpci_write_u32 #define __raw_writeq zpci_write_u64 +/* combine single writes by using store-block insn */ +static inline void __iowrite32_copy(void __iomem *to, const void *from, + size_t count) +{ + zpci_memcpy_toio(to, from, count * 4); +} +#define __iowrite32_copy __iowrite32_copy + #endif /* CONFIG_PCI */ #include