From patchwork Fri Feb 14 01:57:55 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 13974362 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id AD440C021A0 for ; Fri, 14 Feb 2025 02:20:04 +0000 (UTC) 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:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=WaGhe+xd94/mwDCmiiZovvRgP7Mu20k+rn44NKzPAVk=; b=MKgvI2f3KXLV9xmgIOKavySGir c67zYOAT0d4Lef/PlXrrNh7M0c0Y8ItTryyBB45fGkq+TY1eheNVjj3v4Fe//qmhFN1W18brQPLbS iWuW5XtvcvrZpEdxEAtC/QO+AFRkgJh4Nc1Jez85pNrIVpT5e0fGRPu1OY70vfdSVn2hd+E1vwoij pGkF+3fAaEyrQ0W8rna3OTQzZeYzdDWxOZNRAxKscI9fZPRfPNLGj+Bth0DEkKKYbOiqE90seVJ5x GJeQ8zXwynvgtlnA8Nmciz0Nw+8jucGhZZ2+XEduKhi8hCTyH5sxDDCaAxbkesVqjvhwjLuYscTSS 9aqsO6Fw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tilJ6-0000000DKSW-0x1l; Fri, 14 Feb 2025 02:19:56 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1til1W-0000000DFNv-2NPb for linux-arm-kernel@lists.infradead.org; Fri, 14 Feb 2025 02:01:47 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 8BB00A42AB1; Fri, 14 Feb 2025 02:00:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E8B2C4CED1; Fri, 14 Feb 2025 02:01:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739498505; bh=7oEn9JxWKjIxLobpHaNyNb12TZw6+6uiwp1XA6eEegM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=p+F4oTkpozV7snpFt3fdCgJVq6nKLyg+8JltSzmOX0er8Pnhusvsvnt2Ow0F1/38D CsNUDXU+zlkiX7W9PJutlWUeM6gVTR5UhMwtnz/zhBW5NEamT1NdIE28m7VZ6Nq+jl jUDppL4qH/OkikFuN5Ss3C5P4TfTuPZo5/cfvTT/kxQkNTovI+MDjJA0BdQVIRgyZW T4rItVd5tOdlW7IiITsS8JlTiMyDDq0g7W2mfNTV140LGv1Pwh+xHO56tUvVschtDv cAEteINxVg8RnZ78/1p7KoWv1mI/SzYskTdfa4Pz1P8FY9zRSNTToo30EmLi1I+ZLY RpAMhMt+x3J+w== From: Mark Brown Date: Fri, 14 Feb 2025 01:57:55 +0000 Subject: [PATCH v4 12/27] KVM: arm64: Rename sve_state_reg_region MIME-Version: 1.0 Message-Id: <20250214-kvm-arm64-sme-v4-12-d64a681adcc2@kernel.org> References: <20250214-kvm-arm64-sme-v4-0-d64a681adcc2@kernel.org> In-Reply-To: <20250214-kvm-arm64-sme-v4-0-d64a681adcc2@kernel.org> To: Marc Zyngier , Oliver Upton , Joey Gouly , Catalin Marinas , Suzuki K Poulose , Will Deacon , Paolo Bonzini , Jonathan Corbet , Shuah Khan Cc: Dave Martin , Fuad Tabba , Mark Rutland , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, Mark Brown X-Mailer: b4 0.15-dev-1b0d6 X-Developer-Signature: v=1; a=openpgp-sha256; l=2408; i=broonie@kernel.org; h=from:subject:message-id; bh=7oEn9JxWKjIxLobpHaNyNb12TZw6+6uiwp1XA6eEegM=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBnrqPJB9CR2UPbX0fWpOibgiY5nxylbHYm5jWAgsCo Jsy7w6iJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZ66jyQAKCRAk1otyXVSH0EfWCA CEkw7voavvsVuT5pnWuMXdHPi0zjHWDseDCrnmxlGUHHB9AYDra2ISrlAWxVf5nw5nV0QQ3BSZJhh5 bow6ezrC/HZJJBr6rTKKfbS1mMBNSqH8SjY2ilujeh/JYS1V3ZW9P6qumTwadR81zhb/fFrxwtH0w2 QFynp5VAST+RMHDUPTgiOJBMHURjQ3wAWVqXLfVq2Y+S2RlYBWX14aQ3n8b6aEk09GI/lpoT5cVK5S xOHqIkKXOZS9bgxxDCtV8ap4fho4yX3DQN5nkgw+K/YYapMwFvzYskdMIoxM++2lhbvJbGYLRwfd+X 8t/IBJmcgFcCk4aGTOQEO+nmmJp/sh X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250213_180146_762570_4CC206AB X-CRM114-Status: GOOD ( 14.22 ) 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 As for SVE we will need to pull parts of dynamically sized registers out of a block of memory for SME so we will use a similar code pattern for this. Rename the current struct sve_state_reg_region in preparation for this. No functional change. Signed-off-by: Mark Brown --- arch/arm64/kvm/guest.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 73e714133bb647c1d50fc67d5c8bf0569520a537..bb4b91e4392359026a4115468138f16f48a5b850 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -404,9 +404,9 @@ static int set_sve_vls(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) */ #define vcpu_sve_slices(vcpu) 1 -/* Bounds of a single SVE register slice within vcpu->arch.sve_state */ -struct sve_state_reg_region { - unsigned int koffset; /* offset into sve_state in kernel memory */ +/* Bounds of a single register slice within vcpu->arch.s[mv]e_state */ +struct vec_state_reg_region { + unsigned int koffset; /* offset into s[mv]e_state in kernel memory */ unsigned int klen; /* length in kernel memory */ unsigned int upad; /* extra trailing padding in user memory */ }; @@ -415,7 +415,7 @@ struct sve_state_reg_region { * Validate SVE register ID and get sanitised bounds for user/kernel SVE * register copy */ -static int sve_reg_to_region(struct sve_state_reg_region *region, +static int sve_reg_to_region(struct vec_state_reg_region *region, struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) { @@ -485,7 +485,7 @@ static int sve_reg_to_region(struct sve_state_reg_region *region, static int get_sve_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) { int ret; - struct sve_state_reg_region region; + struct vec_state_reg_region region; char __user *uptr = (char __user *)reg->addr; /* Handle the KVM_REG_ARM64_SVE_VLS pseudo-reg as a special case: */ @@ -511,7 +511,7 @@ static int get_sve_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) static int set_sve_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) { int ret; - struct sve_state_reg_region region; + struct vec_state_reg_region region; const char __user *uptr = (const char __user *)reg->addr; /* Handle the KVM_REG_ARM64_SVE_VLS pseudo-reg as a special case: */