In order to allow us to have shared code for managing fine grained traps
for KVM guests add it as a detected feature rather than relying on it
being a dependency of other features.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
[maz: converted to ARM64_CPUID_FIELDS()]
Link: https://lore.kernel.org/r/20230301-kvm-arm64-fgt-v4-1-1bf8d235ac1f@kernel.org
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Reviewed-by: Miguel Luis <miguel.luis@oracle.com>
Reviewed-by: Jing Zhang <jingzhangos@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230815183903.2735724-10-maz@kernel.org
.matches = has_cpuid_feature,
ARM64_CPUID_FIELDS(ID_AA64ISAR1_EL1, LRCPC, IMP)
},
.matches = has_cpuid_feature,
ARM64_CPUID_FIELDS(ID_AA64ISAR1_EL1, LRCPC, IMP)
},
+ {
+ .desc = "Fine Grained Traps",
+ .type = ARM64_CPUCAP_SYSTEM_FEATURE,
+ .capability = ARM64_HAS_FGT,
+ .matches = has_cpuid_feature,
+ ARM64_CPUID_FIELDS(ID_AA64MMFR0_EL1, FGT, IMP)
+ },
#ifdef CONFIG_ARM64_SME
{
.desc = "Scalable Matrix Extension",
#ifdef CONFIG_ARM64_SME
{
.desc = "Scalable Matrix Extension",
HAS_ECV_CNTPOFF
HAS_EPAN
HAS_EVT
HAS_ECV_CNTPOFF
HAS_EPAN
HAS_EVT
HAS_GENERIC_AUTH
HAS_GENERIC_AUTH_ARCH_QARMA3
HAS_GENERIC_AUTH_ARCH_QARMA5
HAS_GENERIC_AUTH
HAS_GENERIC_AUTH_ARCH_QARMA3
HAS_GENERIC_AUTH_ARCH_QARMA5