From patchwork Thu Apr 17 00:25:16 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 882090 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 A73C818FC67; Thu, 17 Apr 2025 00:26:29 +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=1744849589; cv=none; b=Dt57PJ0RsMFiZW6+mzhuMqqOtbexXCXJA9flFSRxCbkyNZAiN8rAbZ7Io7Z9Kv+EuwT9od8BYQ1a0A184o/gvlMSWUzR2dr4EICOEq/gFWaEHljzNa9r3RVFR7JR/OMzQbky5pXX745iWkfpIG+Fin5NAI/MIBXfQNidqMWyWq4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744849589; c=relaxed/simple; bh=W9U/EIqt1ZpD/AI0aRJHQ2z1yafgwHeiK/I9nw34e+w=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=a0Tbt02ZWYQo19fIVz78MnyDwyodpTcYPov+TV5HB352DowfMokSA470pqF2H7nvtGsdFLT2T5xQQqHZP1oP7lp3iwTehlT8//4hBse0HL5ycz4O8mk5zyHzjuW4ZEM/CtmCJk9QeTW+ZYuDzfX99y7/8ykZEJXh2OaCT2CWE44= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XZB1ePwA; 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="XZB1ePwA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F318EC4CEEC; Thu, 17 Apr 2025 00:26:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744849589; bh=W9U/EIqt1ZpD/AI0aRJHQ2z1yafgwHeiK/I9nw34e+w=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=XZB1ePwAD4xn+kJoCzFpd9PuTtr6S5KPxV1NdK5h9rwlIB1fu5BOjaSBoMLeoFljC d3hoM788Nb2Q+znfBYo4J6DY7y81WsdY+s7T9yORk++gvuL6ynpUsZPVfUE8aYIe17 /SiZPeyr00dmOmuwOsBZlignpz70ACSVrF61s+Dg5sgauSXzyjis7sSg2mdR5yChuM mieHx3FL76zZvMhquRJwjoUQRUdp4le58Y+M+/7N0alMge8/YXpohKgTZfZwp75AcQ 1b9woftk7JTlKNLalyIPwAzViDxFF1psLyyfseKG2pxHmpagbnFHMU+M/qgRi7CdXq eLtRvkvHIQr0g== From: Mark Brown Date: Thu, 17 Apr 2025 01:25:16 +0100 Subject: [PATCH v5 12/28] 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: <20250417-kvm-arm64-sme-v5-12-f469a2d5f574@kernel.org> References: <20250417-kvm-arm64-sme-v5-0-f469a2d5f574@kernel.org> In-Reply-To: <20250417-kvm-arm64-sme-v5-0-f469a2d5f574@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-c25d1 X-Developer-Signature: v=1; a=openpgp-sha256; l=2352; i=broonie@kernel.org; h=from:subject:message-id; bh=W9U/EIqt1ZpD/AI0aRJHQ2z1yafgwHeiK/I9nw34e+w=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBoAEp4aYB+lTSBEvBGlKqa5ArcHrjS9+NUYvf34HDS cs96KduJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCaABKeAAKCRAk1otyXVSH0IxnB/ oDVpFjTwsx42rNNBW7KDL0zDS+LJuIuMIdcu0iQzS3p6e6NkHvYdCO4fht5WtwUKx+dquGFKVQc5af DXiz4X8MJ4NbvNT7t1dMMrJIVYg5rcVqj3h2EXiw7HxLT9Au/UdbwfwZlLzbNs8dk+JKGfcg5piFig WLlJoOys7FyombKnLbu/Vz2KqHF5s8mIL0orW/zYKSf0iZfOM5R0AQbxlNVzckUcTAzfWzh6CP6XZI GMHWMx9RdUdUFuRXJIgJeCfpy797RhiTnFcO4vHoa0vavS9oNL+tqKluCpfKYyVENkUXF/tEFqEOQ7 IHZBdPE+BY7TnXf5jCQPFrxg9EgSVb 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 73e714133bb6..bb4b91e43923 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: */