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authorAnshuman Khandual <anshuman.khandual@arm.com>2024-06-13 15:57:09 +0530
committerCatalin Marinas <catalin.marinas@arm.com>2024-07-04 12:21:12 +0100
commit42b9fed388a510cdb17d25c0dc1c8b72c4828cea (patch)
treef0beeb1eb1ee379847bd5e41cd17beef37f5685e /arch/arm64/kvm
parente8cde32f111f7f5681a7bad3ec747e9e697569a9 (diff)
KVM: arm64: Replace custom macros with fields from ID_AA64PFR0_EL1
This replaces custom macros usage (i.e ID_AA64PFR0_EL1_ELx_64BIT_ONLY and ID_AA64PFR0_EL1_ELx_32BIT_64BIT) and instead directly uses register fields from ID_AA64PFR0_EL1 sysreg definition. Cc: Marc Zyngier <maz@kernel.org> Cc: Oliver Upton <oliver.upton@linux.dev> Cc: Will Deacon <will@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Cc: kvmarm@lists.linux.dev Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Acked-by: Marc Zyngier <maz@kernel.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20240613102710.3295108-2-anshuman.khandual@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kvm')
-rw-r--r--arch/arm64/kvm/hyp/include/nvhe/fixed_config.h10
-rw-r--r--arch/arm64/kvm/hyp/nvhe/pkvm.c4
-rw-r--r--arch/arm64/kvm/hyp/nvhe/sys_regs.c2
3 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h b/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h
index 51f043649146..f957890c7e38 100644
--- a/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h
+++ b/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h
@@ -52,11 +52,11 @@
* Supported by KVM
*/
#define PVM_ID_AA64PFR0_RESTRICT_UNSIGNED (\
- FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_EL0), ID_AA64PFR0_EL1_ELx_64BIT_ONLY) | \
- FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_EL1), ID_AA64PFR0_EL1_ELx_64BIT_ONLY) | \
- FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_EL2), ID_AA64PFR0_EL1_ELx_64BIT_ONLY) | \
- FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_EL3), ID_AA64PFR0_EL1_ELx_64BIT_ONLY) | \
- FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_RAS), ID_AA64PFR0_EL1_RAS_IMP) \
+ SYS_FIELD_PREP_ENUM(ID_AA64PFR0_EL1, EL0, IMP) | \
+ SYS_FIELD_PREP_ENUM(ID_AA64PFR0_EL1, EL1, IMP) | \
+ SYS_FIELD_PREP_ENUM(ID_AA64PFR0_EL1, EL2, IMP) | \
+ SYS_FIELD_PREP_ENUM(ID_AA64PFR0_EL1, EL3, IMP) | \
+ SYS_FIELD_PREP_ENUM(ID_AA64PFR0_EL1, RAS, IMP) \
)
/*
diff --git a/arch/arm64/kvm/hyp/nvhe/pkvm.c b/arch/arm64/kvm/hyp/nvhe/pkvm.c
index 95cf18574251..187a5f4d56c0 100644
--- a/arch/arm64/kvm/hyp/nvhe/pkvm.c
+++ b/arch/arm64/kvm/hyp/nvhe/pkvm.c
@@ -33,9 +33,9 @@ static void pvm_init_traps_aa64pfr0(struct kvm_vcpu *vcpu)
/* Protected KVM does not support AArch32 guests. */
BUILD_BUG_ON(FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_EL0),
- PVM_ID_AA64PFR0_RESTRICT_UNSIGNED) != ID_AA64PFR0_EL1_ELx_64BIT_ONLY);
+ PVM_ID_AA64PFR0_RESTRICT_UNSIGNED) != ID_AA64PFR0_EL1_EL0_IMP);
BUILD_BUG_ON(FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_EL1),
- PVM_ID_AA64PFR0_RESTRICT_UNSIGNED) != ID_AA64PFR0_EL1_ELx_64BIT_ONLY);
+ PVM_ID_AA64PFR0_RESTRICT_UNSIGNED) != ID_AA64PFR0_EL1_EL1_IMP);
/*
* Linux guests assume support for floating-point and Advanced SIMD. Do
diff --git a/arch/arm64/kvm/hyp/nvhe/sys_regs.c b/arch/arm64/kvm/hyp/nvhe/sys_regs.c
index edd969a1f36b..2860548d4250 100644
--- a/arch/arm64/kvm/hyp/nvhe/sys_regs.c
+++ b/arch/arm64/kvm/hyp/nvhe/sys_regs.c
@@ -276,7 +276,7 @@ static bool pvm_access_id_aarch32(struct kvm_vcpu *vcpu,
* of AArch32 feature id registers.
*/
BUILD_BUG_ON(FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_EL1),
- PVM_ID_AA64PFR0_RESTRICT_UNSIGNED) > ID_AA64PFR0_EL1_ELx_64BIT_ONLY);
+ PVM_ID_AA64PFR0_RESTRICT_UNSIGNED) > ID_AA64PFR0_EL1_EL1_IMP);
return pvm_access_raz_wi(vcpu, p, r);
}