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| author | Marc Zyngier <maz@kernel.org> | 2020-05-28 16:12:58 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-05-28 19:28:51 +0300 |
| commit | b130a8f70cbbf907c399799bd1073a78763ca0e7 (patch) | |
| tree | 1b8fe6121507b29c40563f86927dd74784218313 /arch/arm64/include/asm/sysreg.h | |
| parent | 3577dd37c703e0d599e8c244917b8e369f38a45a (diff) | |
| download | linux-b130a8f70cbbf907c399799bd1073a78763ca0e7.tar.xz | |
KVM: arm64: Check advertised Stage-2 page size capability
With ARMv8.5-GTG, the hardware (or more likely a hypervisor) can
advertise the supported Stage-2 page sizes.
Let's check this at boot time.
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/include/asm/sysreg.h')
| -rw-r--r-- | arch/arm64/include/asm/sysreg.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index fa9d02ca4b25..efe368ee4996 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -703,6 +703,9 @@ #define ID_AA64ZFR0_SVEVER_SVE2 0x1 /* id_aa64mmfr0 */ +#define ID_AA64MMFR0_TGRAN4_2_SHIFT 40 +#define ID_AA64MMFR0_TGRAN64_2_SHIFT 36 +#define ID_AA64MMFR0_TGRAN16_2_SHIFT 32 #define ID_AA64MMFR0_TGRAN4_SHIFT 28 #define ID_AA64MMFR0_TGRAN64_SHIFT 24 #define ID_AA64MMFR0_TGRAN16_SHIFT 20 |