From patchwork Mon Sep 30 13:23:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julian Vetter X-Patchwork-Id: 1991044 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=PICX4sxc; dkim=pass (1024-bit key; unprotected) header.d=kalrayinc.com header.i=@kalrayinc.com header.a=rsa-sha256 header.s=sec-sig-email header.b=IQKXyRBp; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kalrayinc.com header.i=@kalrayinc.com header.a=rsa-sha256 header.s=selector1 header.b=atf4DKl+; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=patchwork.ozlabs.org) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XHN6m3XpWz1xtY for ; Tue, 1 Oct 2024 00:02:08 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: Content-Transfer-Encoding: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=xckbnZGbjgNKnz2mTviBweWMb8Bo4FCviJuD9JIdd88=; b=PICX4sxc+gwbOdxrKFxvONUyNs Ir9eGLuyqk8MwofXeYhSOozYiDJHIK5h9ZECEBFMe6esDYTsjpi71IIarZ2WCDcSJT0vH5rHCKbXQ kwNXWHe5RPughTwUkvGmBjZwl9Yt1HstuWMDUVIGC8ndxuTOJxFIb77eEYHn9lB+xBpcZyCVQxjfY DWGEm9KKuhgEYPwnoS19oGGnra6buIPnos9Q+OzbYAwo62g+a1hIT+55NRvHawD5DCeNa0naPewal zcpF/EhZOYiunTRcqx5CRmc4s/4fDdu9NRLpxGhooIAV6YV0h1q6ICq7zay3oEHQ3whwcuv4zQTIe D8IFkCUQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1svGyU-0000000HRF6-3RAP; Mon, 30 Sep 2024 14:02:06 +0000 Received: from smtpout145.security-mail.net ([85.31.212.145]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1svGPN-0000000HHt9-091x for linux-um@lists.infradead.org; Mon, 30 Sep 2024 13:25:52 +0000 Received: from localhost (fx405.security-mail.net [127.0.0.1]) by fx405.security-mail.net (Postfix) with ESMTP id D1C37336196 for ; Mon, 30 Sep 2024 15:25:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kalrayinc.com; s=sec-sig-email; t=1727702747; bh=8t68wB5pix5hrTaDx679fbJxbV55ESDr4v01ot6a1wE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=IQKXyRBpQHCHeWE+EXKrS3k0J+VYXiOt5uv8Z8XAnuBbolVqQ79FK596TXiolE+Q/ g1+DL5f9zb4Rqly1Q1dSbJgyBKcc0e2qfslOUX+Mffnve1KRsoXiJQzaeIDI2LebLU zU396FFVBvdzk6FBhjHikDg5flaUUHDKxs7RXWSQ= Received: from fx405 (fx405.security-mail.net [127.0.0.1]) by fx405.security-mail.net (Postfix) with ESMTP id BCE61336084; Mon, 30 Sep 2024 15:25:45 +0200 (CEST) Received: from PAUP264CU001.outbound.protection.outlook.com (mail-francecentralazlp17011027.outbound.protection.outlook.com [40.93.76.27]) by fx405.security-mail.net (Postfix) with ESMTPS id 36650336040; Mon, 30 Sep 2024 15:25:44 +0200 (CEST) Received: from PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) by MR1P264MB2707.FRAP264.PROD.OUTLOOK.COM (2603:10a6:501:38::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8005.26; Mon, 30 Sep 2024 13:25:43 +0000 Received: from PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM ([fe80::6fc2:2c8c:edc1:f626]) by PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM ([fe80::6fc2:2c8c:edc1:f626%4]) with mapi id 15.20.8005.024; Mon, 30 Sep 2024 13:25:42 +0000 X-Secumail-id: <3815.66faa6d8.33b91.0> ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=K1uTR3xHZOnwn4p0iK7r0eDWhO5sjr8qVlRt2Ehg5RIbhcZ5TQ2kHbMoz1v9CI++ZXOLh/mgzGkjNZjQyNYVGHEoThHHF+gbt2sU4Ef9GlUNS1mEvGbSEFFFGFOIEUsbi/j+SXg1m8mca6RQaNxOS/pMsyH89ra9doKuLXqQ/gTlBTDBmdvi5CzztwEQUYIv4tAqLzQ6LqxmBYj8nW0eBkZ9owBrFjDSBSW0G5SmuohF9v4bQcfUL4O40DwgvieIJGsoVTCKuB/JVbpZoj27TNv7uCkB7ak9ubp2lhps6dO6QDI8YJeShEy+9NqXKhgayPYd/6oJp+ST1lEf/xRN8Q== 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=xckbnZGbjgNKnz2mTviBweWMb8Bo4FCviJuD9JIdd88=; b=zH4O3IY4DKML9MoQEUrNuBh8TI26Q54c9Cs0F+po7pP1vJ8wGGP059Irn9po/Ads2d6CEQfT7aiQZRnTGoDuF26UxStyVpf9iolMZySjVWqDI+ynzojh8jGm65/XT/yNdzFKa4UKhgPcXz3E4iOUC/BMBeX2AZ1rbg1UcS9pT6VSYcPXidQ43ebt1Ez/i0xTYCkyOtsz79d4gUqjkTDi7lO5PoTFIYAD6onlZ3t7W0+hXAIao1lQ7UWW2x1mKrUBr72yS93K/93Z7L0JwOIaF7HuTr/dncTQ3jOb1cPVaY3EALHfDx+FPFJnBljc4CqIa7VXCTNhatCaXhWULU2JIQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=kalrayinc.com; dmarc=pass action=none header.from=kalrayinc.com; dkim=pass header.d=kalrayinc.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kalrayinc.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=xckbnZGbjgNKnz2mTviBweWMb8Bo4FCviJuD9JIdd88=; b=atf4DKl+zB/DKvV8gEykvge3e21IbSY+jqR6yYvz52U2tPpwUxZn3nNxaXcxoV2+O0oXkbhnQTdDREJj6FeM1g4gI7+FK0TPNr4SBjElu9JkZxWD3zEjndOw9CWPOJR+j5qJfa2X6sxZwkJK8JiyJuMpC0hSkZW2FpsdZx2WqSo7bFArHhMi3EW+QTpSosRAPI9OhW0oUkrnKN8pHxB04EbyH9IdMBTr9mIuGimSEBsqfGV/+pS8cKSjxFiuQg1C48PUorb5jt5V7cRUXiOPbumkl/cKstTVETO4I8UM5Plrseh1Ij7mF4WPMnstDIdlCURmQBNYXPep02u6jvTtDw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=kalrayinc.com; From: Julian Vetter To: Arnd Bergmann , Russell King , Catalin Marinas , Will Deacon , Guo Ren , Huacai Chen , WANG Xuerui , Andrew Morton , Geert Uytterhoeven , Richard Henderson , Ivan Kokshaysky , Matt Turner , "James E . J . Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v7 02/10] arm64: Use generic IO memcpy/memset Date: Mon, 30 Sep 2024 15:23:13 +0200 Message-ID: <20240930132321.2785718-3-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240930132321.2785718-1-jvetter@kalrayinc.com> References: <20240930132321.2785718-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AS4P192CA0048.EURP192.PROD.OUTLOOK.COM (2603:10a6:20b:658::23) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|MR1P264MB2707:EE_ X-MS-Office365-Filtering-Correlation-Id: b427a81f-6514-47a5-1120-08dce1536256 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|52116014|376014|7416014|366016|38350700014|921020; X-Microsoft-Antispam-Message-Info: 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 Qqc8ThGqeRl+Pw7YHAtnH/SvSpkGBjgVSEQv7E17Lq695w7m5dH6H85Yv+KIkijdrh3s7GGp6EOHAOodkLz6BAwd73jHsRyCNSQHM7IlUWmNbvurtMt8iFE6l8+emA/DIRbL6g+twMH4twJe5YelWwKnF6ne5/Di95qGUX2tUFDoDU9o3iR/eTXVdzAgoX3mDdv/188cUXjBWtFK3N78oafQDUMzNhtfl2PafkuvoWPaG34et+Rvzno0+SrafWMckHGjzI19+Uwz3XFtiQ+gIxeZYPj1/vnOD5W/LCj/zM78Y+Yd/SSbZZBo5gnJ3hfNBm//MEyjSs5NZJKhWXVvEAS2ghvX3ItTiN81WAJ7Gkl5G/DzaE/wTCxpj4apWZDLuizw3b0Un3k2VQI28o0moDFH3CqId6ewHq6DQeXqKdhimbxcGGhtG2K9/nBumZ0gmNS10yqxSQfXe6mW4mSJhZriQgYY6CKEFSJIKmsg= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(52116014)(376014)(7416014)(366016)(38350700014)(921020);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: kalrayinc.com X-MS-Exchange-CrossTenant-Network-Message-Id: b427a81f-6514-47a5-1120-08dce1536256 X-MS-Exchange-CrossTenant-AuthSource: PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Sep 2024 13:25:42.9149 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8931925d-7620-4a64-b7fe-20afd86363d3 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: S6hbGexs7AhX8kfSjEUuKwHT/rmVxLnuydG/plg2fyFDWN+NPHG9berIekx9ROE5+atVM0rvuHpp0BeGfL/c2Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MR1P264MB2707 X-ALTERMIMEV2_out: done X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240930_062549_254416_5B94CA24 X-CRM114-Status: GOOD ( 12.62 ) X-Spam-Score: -2.8 (--) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Use the generic memcpy_{from,to}io and memset_io functions on the arm64 processor architecture. Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v7: - No changes --- arch/arm64/include/asm/io.h | 11 ----- arch/arm64/kernel/ [...] Content analysis details: (-2.8 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 RCVD_IN_VALIDITY_SAFE_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. [85.31.212.145 listed in sa-accredit.habeas.com] -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [85.31.212.145 listed in list.dnswl.org] 0.0 RCVD_IN_VALIDITY_CERTIFIED_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. [85.31.212.145 listed in sa-trusted.bondedsender.org] 0.0 RCVD_IN_VALIDITY_RPBL_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. [85.31.212.145 listed in bl.score.senderscore.com] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 ARC_VALID Message has a valid ARC signature -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 0.0 ARC_SIGNED Message has a ARC signature -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-BeenThere: linux-um@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-um" Errors-To: linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Use the generic memcpy_{from,to}io and memset_io functions on the arm64 processor architecture. Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v7: - No changes --- arch/arm64/include/asm/io.h | 11 ----- arch/arm64/kernel/io.c | 87 ------------------------------------- 2 files changed, 98 deletions(-) diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h index 41fd90895dfc..9a5d4387e694 100644 --- a/arch/arm64/include/asm/io.h +++ b/arch/arm64/include/asm/io.h @@ -128,17 +128,6 @@ static __always_inline u64 __raw_readq(const volatile void __iomem *addr) #define IO_SPACE_LIMIT (PCI_IO_SIZE - 1) #define PCI_IOBASE ((void __iomem *)PCI_IO_START) -/* - * String version of I/O memory access operations. - */ -extern void __memcpy_fromio(void *, const volatile void __iomem *, size_t); -extern void __memcpy_toio(volatile void __iomem *, const void *, size_t); -extern void __memset_io(volatile void __iomem *, int, size_t); - -#define memset_io(c,v,l) __memset_io((c),(v),(l)) -#define memcpy_fromio(a,c,l) __memcpy_fromio((a),(c),(l)) -#define memcpy_toio(c,a,l) __memcpy_toio((c),(a),(l)) - /* * The ARM64 iowrite implementation is intended to support drivers that want to * use write combining. For instance PCI drivers using write combining with a 64 diff --git a/arch/arm64/kernel/io.c b/arch/arm64/kernel/io.c index ef48089fbfe1..fe86ada23c7d 100644 --- a/arch/arm64/kernel/io.c +++ b/arch/arm64/kernel/io.c @@ -9,34 +9,6 @@ #include #include -/* - * Copy data from IO memory space to "real" memory space. - */ -void __memcpy_fromio(void *to, const volatile void __iomem *from, size_t count) -{ - while (count && !IS_ALIGNED((unsigned long)from, 8)) { - *(u8 *)to = __raw_readb(from); - from++; - to++; - count--; - } - - while (count >= 8) { - *(u64 *)to = __raw_readq(from); - from += 8; - to += 8; - count -= 8; - } - - while (count) { - *(u8 *)to = __raw_readb(from); - from++; - to++; - count--; - } -} -EXPORT_SYMBOL(__memcpy_fromio); - /* * This generates a memcpy that works on a from/to address which is aligned to * bits. Count is in terms of the number of bits sized quantities to copy. It @@ -78,62 +50,3 @@ void __iowrite32_copy_full(void __iomem *to, const void *from, size_t count) dgh(); } EXPORT_SYMBOL(__iowrite32_copy_full); - -/* - * Copy data from "real" memory space to IO memory space. - */ -void __memcpy_toio(volatile void __iomem *to, const void *from, size_t count) -{ - while (count && !IS_ALIGNED((unsigned long)to, 8)) { - __raw_writeb(*(u8 *)from, to); - from++; - to++; - count--; - } - - while (count >= 8) { - __raw_writeq(*(u64 *)from, to); - from += 8; - to += 8; - count -= 8; - } - - while (count) { - __raw_writeb(*(u8 *)from, to); - from++; - to++; - count--; - } -} -EXPORT_SYMBOL(__memcpy_toio); - -/* - * "memset" on IO memory space. - */ -void __memset_io(volatile void __iomem *dst, int c, size_t count) -{ - u64 qc = (u8)c; - - qc |= qc << 8; - qc |= qc << 16; - qc |= qc << 32; - - while (count && !IS_ALIGNED((unsigned long)dst, 8)) { - __raw_writeb(c, dst); - dst++; - count--; - } - - while (count >= 8) { - __raw_writeq(qc, dst); - dst += 8; - count -= 8; - } - - while (count) { - __raw_writeb(c, dst); - dst++; - count--; - } -} -EXPORT_SYMBOL(__memset_io);