From: Mark Brown <broonie@kernel.org>
To: Marc Zyngier <maz@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
Joey Gouly <joey.gouly@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Will Deacon <will@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Jonathan Corbet <corbet@lwn.net>, Shuah Khan <shuah@kernel.org>
Cc: Dave Martin <Dave.Martin@arm.com>, Fuad Tabba <tabba@google.com>,
Mark Rutland <mark.rutland@arm.com>,
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,
Peter Maydell <peter.maydell@linaro.org>,
Eric Auger <eric.auger@redhat.com>,
Mark Brown <broonie@kernel.org>
Subject: [PATCH v8 13/29] KVM: arm64: Rename sve_state_reg_region
Date: Tue, 02 Sep 2025 12:36:16 +0100 [thread overview]
Message-ID: <20250902-kvm-arm64-sme-v8-13-2cb2199c656c@kernel.org> (raw)
In-Reply-To: <20250902-kvm-arm64-sme-v8-0-2cb2199c656c@kernel.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 <broonie@kernel.org>
---
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 f38b95a73169..6eb273b525d5 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: */
--
2.39.5
next prev parent reply other threads:[~2025-09-02 11:45 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-02 11:36 [PATCH v8 00/29] KVM: arm64: Implement support for SME Mark Brown
2025-09-02 11:36 ` [PATCH v8 01/29] arm64/sysreg: Update SMIDR_EL1 to DDI0601 2025-06 Mark Brown
2025-09-02 11:36 ` [PATCH v8 02/29] arm64/fpsimd: Update FA64 and ZT0 enables when loading SME state Mark Brown
2025-09-02 11:36 ` [PATCH v8 03/29] arm64/fpsimd: Decide to save ZT0 and streaming mode FFR at bind time Mark Brown
2025-09-02 11:36 ` [PATCH v8 04/29] arm64/fpsimd: Check enable bit for FA64 when saving EFI state Mark Brown
2025-09-02 11:36 ` [PATCH v8 05/29] arm64/fpsimd: Determine maximum virtualisable SME vector length Mark Brown
2025-09-02 11:36 ` [PATCH v8 06/29] KVM: arm64: Introduce non-UNDEF FGT control Mark Brown
2025-09-02 11:36 ` [PATCH v8 07/29] KVM: arm64: Pay attention to FFR parameter in SVE save and load Mark Brown
2025-09-02 11:36 ` [PATCH v8 08/29] KVM: arm64: Pull ctxt_has_ helpers to start of sysreg-sr.h Mark Brown
2025-09-02 11:36 ` [PATCH v8 09/29] KVM: arm64: Move SVE state access macros after feature test macros Mark Brown
2025-09-02 11:36 ` [PATCH v8 10/29] KVM: arm64: Rename SVE finalization constants to be more general Mark Brown
2025-09-02 11:36 ` [PATCH v8 11/29] KVM: arm64: Document the KVM ABI for SME Mark Brown
2025-09-02 11:36 ` [PATCH v8 12/29] KVM: arm64: Define internal features " Mark Brown
2025-09-02 11:36 ` Mark Brown [this message]
2025-09-02 11:36 ` [PATCH v8 14/29] KVM: arm64: Store vector lengths in an array Mark Brown
2025-09-02 11:36 ` [PATCH v8 15/29] KVM: arm64: Implement SME vector length configuration Mark Brown
2025-09-02 11:36 ` [PATCH v8 16/29] KVM: arm64: Support SME control registers Mark Brown
2025-09-02 11:36 ` [PATCH v8 17/29] KVM: arm64: Support TPIDR2_EL0 Mark Brown
2025-09-02 11:36 ` [PATCH v8 18/29] KVM: arm64: Support SME identification registers for guests Mark Brown
2025-09-02 11:36 ` [PATCH v8 19/29] KVM: arm64: Support SME priority registers Mark Brown
2025-09-02 11:36 ` [PATCH v8 20/29] KVM: arm64: Provide assembly for SME register access Mark Brown
2025-09-02 11:36 ` [PATCH v8 21/29] KVM: arm64: Support userspace access to streaming mode Z and P registers Mark Brown
2025-09-02 11:36 ` [PATCH v8 22/29] KVM: arm64: Flush register state on writes to SVCR.SM and SVCR.ZA Mark Brown
2025-09-02 11:36 ` [PATCH v8 23/29] KVM: arm64: Expose SME specific state to userspace Mark Brown
2025-09-02 11:36 ` [PATCH v8 24/29] KVM: arm64: Context switch SME state for guests Mark Brown
2025-09-02 11:36 ` [PATCH v8 25/29] KVM: arm64: Handle SME exceptions Mark Brown
2025-09-02 11:36 ` [PATCH v8 26/29] KVM: arm64: Expose SME to nested guests Mark Brown
2025-09-02 11:36 ` [PATCH v8 27/29] KVM: arm64: Provide interface for configuring and enabling SME for guests Mark Brown
2025-09-02 11:36 ` [PATCH v8 28/29] KVM: arm64: selftests: Add SME system registers to get-reg-list Mark Brown
2025-09-02 11:36 ` [PATCH v8 29/29] KVM: arm64: selftests: Add SME to set_id_regs test Mark Brown
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