Messages in this thread Patch in this message | | | From | Anshuman Khandual <> | Subject | [RFC V3 04/13] arm64/mm: Add FEAT_LPA2 specific VTCR_EL2.DS field | Date | Thu, 30 Sep 2021 16:05:07 +0530 |
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As per ARM ARM (0487G.A) VTCR_EL2.DS fields controls whether 52 bit IPA and output physical address get supported on 4K and 16K page size configuration when FEAT_LPA2 is known to have been implemented. This adds VTCR_DS field definition which would be used when FEAT_LPA2 gets enabled in Stage-2.
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> --- arch/arm64/include/asm/kvm_arm.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h index 327120c..e5c4236 100644 --- a/arch/arm64/include/asm/kvm_arm.h +++ b/arch/arm64/include/asm/kvm_arm.h @@ -105,6 +105,7 @@ TCR_EL2_ORGN0_MASK | TCR_EL2_IRGN0_MASK | TCR_EL2_T0SZ_MASK) /* VTCR_EL2 Registers bits */ +#define VTCR_EL2_DS (1UL << 32) #define VTCR_EL2_RES1 (1U << 31) #define VTCR_EL2_HD (1 << 22) #define VTCR_EL2_HA (1 << 21) -- 2.7.4
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