From patchwork Thu Nov 3 04:27:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Elliott, Robert (Servers)" X-Patchwork-Id: 13029518 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 843F8C4332F for ; Thu, 3 Nov 2022 04:30:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230408AbiKCEaB (ORCPT ); Thu, 3 Nov 2022 00:30:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230398AbiKCE3E (ORCPT ); Thu, 3 Nov 2022 00:29:04 -0400 Received: from mx0a-002e3701.pphosted.com (mx0a-002e3701.pphosted.com [148.163.147.86]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E24617A8E; Wed, 2 Nov 2022 21:28:35 -0700 (PDT) Received: from pps.filterd (m0148663.ppops.net [127.0.0.1]) by mx0a-002e3701.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 2A33VbuI014797; Thu, 3 Nov 2022 04:28:28 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hpe.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pps0720; bh=G7u1zUhzEy2Z3v9+f98yVaQ73+U2QkY+yVwx1BjgOZE=; b=HLKouWUMYSWw7quRf3qPuFiXZblLqMTPqpxKEJhH0YseFfrq34bXknRLDWqsk2YFuB+M r3shCI+TQ9I7+vybntd4lkHcUHwctFcTE52WoI6ijEdXqtWLuiQo+S4Z1zC/q5lo6MtL 2aMmzVdHPLqV1i39WWg1306vsR1DnRkjLSzu6y2v9v2LISIEYRy5qGBKnZZLRSryqnVj tz1k9pOQMgJkVmhp2ftwtindcywpbrb1BvZd5pB0eRI3CiZVOhw186Ika4TBA8lh3dho rq8yEmuyC/BtmT3tFb+qJpOdU0kKcQ0vOCeUNdleUbnofc9pfesaCptRk+KyPvgGgXf2 EQ== Received: from p1lg14881.it.hpe.com (p1lg14881.it.hpe.com [16.230.97.202]) by mx0a-002e3701.pphosted.com (PPS) with ESMTPS id 3km5tn8a1a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 03 Nov 2022 04:28:28 +0000 Received: from p1lg14886.dc01.its.hpecorp.net (unknown [10.119.18.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by p1lg14881.it.hpe.com (Postfix) with ESMTPS id 055FD80472B; Thu, 3 Nov 2022 04:28:28 +0000 (UTC) Received: from adevxp033-sys.us.rdlabs.hpecorp.net (unknown [16.231.227.36]) by p1lg14886.dc01.its.hpecorp.net (Postfix) with ESMTP id 85C0D808EB8; Thu, 3 Nov 2022 04:28:27 +0000 (UTC) From: Robert Elliott To: herbert@gondor.apana.org.au, davem@davemloft.net, tim.c.chen@linux.intel.com, ap420073@gmail.com, ardb@kernel.org, Jason@zx2c4.com, David.Laight@ACULAB.COM, ebiggers@kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Robert Elliott Subject: [PATCH v3 17/17] crypto: x86/nhpoly1305, poly1305 - load based on CPU features Date: Wed, 2 Nov 2022 23:27:40 -0500 Message-Id: <20221103042740.6556-18-elliott@hpe.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221103042740.6556-1-elliott@hpe.com> References: <20221012215931.3896-1-elliott@hpe.com> <20221103042740.6556-1-elliott@hpe.com> MIME-Version: 1.0 X-Proofpoint-GUID: LvU7jicmIURC_DCUpBkpWM2HsYBXp38r X-Proofpoint-ORIG-GUID: LvU7jicmIURC_DCUpBkpWM2HsYBXp38r X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-02_15,2022-11-02_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 impostorscore=0 phishscore=0 adultscore=0 priorityscore=1501 clxscore=1015 mlxscore=0 spamscore=0 mlxlogscore=999 bulkscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211030031 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Like commit aa031b8f702e ("crypto: x86/sha512 - load based on CPU features"), add module aliases for x86-optimized crypto modules: nhpoly1305, poly1305 based on CPU feature bits so udev gets a chance to load them later in the boot process when the filesystems are all running. Signed-off-by: Robert Elliott --- arch/x86/crypto/nhpoly1305-avx2-glue.c | 10 ++++++++++ arch/x86/crypto/nhpoly1305-sse2-glue.c | 10 ++++++++++ arch/x86/crypto/poly1305_glue.c | 12 ++++++++++++ 3 files changed, 32 insertions(+) diff --git a/arch/x86/crypto/nhpoly1305-avx2-glue.c b/arch/x86/crypto/nhpoly1305-avx2-glue.c index f7dc9c563bb5..15f98b53bfda 100644 --- a/arch/x86/crypto/nhpoly1305-avx2-glue.c +++ b/arch/x86/crypto/nhpoly1305-avx2-glue.c @@ -11,6 +11,7 @@ #include #include #include +#include #include /* avoid kernel_fpu_begin/end scheduler/rcu stalls */ @@ -60,8 +61,17 @@ static struct shash_alg nhpoly1305_alg = { .descsize = sizeof(struct nhpoly1305_state), }; +static const struct x86_cpu_id module_cpu_ids[] = { + X86_MATCH_FEATURE(X86_FEATURE_AVX2, NULL), + {} +}; +MODULE_DEVICE_TABLE(x86cpu, module_cpu_ids); + static int __init nhpoly1305_mod_init(void) { + if (!x86_match_cpu(module_cpu_ids)) + return -ENODEV; + if (!boot_cpu_has(X86_FEATURE_AVX2) || !boot_cpu_has(X86_FEATURE_OSXSAVE)) return -ENODEV; diff --git a/arch/x86/crypto/nhpoly1305-sse2-glue.c b/arch/x86/crypto/nhpoly1305-sse2-glue.c index daffcc7019ad..533db3e0e06f 100644 --- a/arch/x86/crypto/nhpoly1305-sse2-glue.c +++ b/arch/x86/crypto/nhpoly1305-sse2-glue.c @@ -11,6 +11,7 @@ #include #include #include +#include #include /* avoid kernel_fpu_begin/end scheduler/rcu stalls */ @@ -60,8 +61,17 @@ static struct shash_alg nhpoly1305_alg = { .descsize = sizeof(struct nhpoly1305_state), }; +static const struct x86_cpu_id module_cpu_ids[] = { + X86_MATCH_FEATURE(X86_FEATURE_XMM2, NULL), + {} +}; +MODULE_DEVICE_TABLE(x86cpu, module_cpu_ids); + static int __init nhpoly1305_mod_init(void) { + if (!x86_match_cpu(module_cpu_ids)) + return -ENODEV; + if (!boot_cpu_has(X86_FEATURE_XMM2)) return -ENODEV; diff --git a/arch/x86/crypto/poly1305_glue.c b/arch/x86/crypto/poly1305_glue.c index 16831c036d71..2ff4358e4b3f 100644 --- a/arch/x86/crypto/poly1305_glue.c +++ b/arch/x86/crypto/poly1305_glue.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include @@ -268,8 +269,19 @@ static struct shash_alg alg = { }, }; +static const struct x86_cpu_id module_cpu_ids[] = { + X86_MATCH_FEATURE(X86_FEATURE_AVX2, NULL), + X86_MATCH_FEATURE(X86_FEATURE_AVX, NULL), + X86_MATCH_FEATURE(X86_FEATURE_AVX512F, NULL), + {} +}; +MODULE_DEVICE_TABLE(x86cpu, module_cpu_ids); + static int __init poly1305_simd_mod_init(void) { + if (!x86_match_cpu(module_cpu_ids)) + return -ENODEV; + if (boot_cpu_has(X86_FEATURE_AVX) && cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL)) static_branch_enable(&poly1305_use_avx);