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: 865409 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 9FBB114A630; Fri, 14 Feb 2025 02:01:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739498505; cv=none; b=RhzP16kptaYVyHBOB+3Bfzouoj9ZZ8cs/4AS9w8Kx4J4N7xS8pO3VF10U3mvan9VDciMd25GZw2pS1I/eFlSMs8wIan0vaX2UHbVPCWyGEJ6CyAQEzlakI3iKMidQxEFzGF0TwlRtS8N/IGmEr937MP9J5DQ8mt+wVpyp5Gn9M0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739498505; c=relaxed/simple; bh=7oEn9JxWKjIxLobpHaNyNb12TZw6+6uiwp1XA6eEegM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Wa79P8j5SHq6GyIB+iQ40FuGEHrgC9Fnh314rzFiTHg2xmFIqSwJai9oqDs7ywZLQsOiSeZpPU3G9IUWBvtB0Qk4WAJ5V7ggfhGaz8Ad4hXa5x96SMWQOkWuMzDnA6uu2PWTooT9MIy0uFMKu71QVUUy1Coml7/RFVihJ5gL8TY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=p+F4oTkp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="p+F4oTkp" 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 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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: */