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[v1,07/13] KVM: arm64: Add config register bit definitions

Message ID 20210608141141.997398-8-tabba@google.com (mailing list archive)
State New, archived
Headers show
Series KVM: arm64: Fixed features for protected VMs | expand

Commit Message

Fuad Tabba June 8, 2021, 2:11 p.m. UTC 
Add hardware configuration register bit definitions for HCR_EL2
and MDCR_EL2. Future patches toggle these hyp configuration
register bits to trap on certain accesses.

No functional change intended.

Signed-off-by: Fuad Tabba <tabba@google.com>
---
 arch/arm64/include/asm/kvm_arm.h | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index d140e3c4c34f..5bb26be69c3f 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -12,7 +12,11 @@ 
 #include <asm/types.h>
 
 /* Hyp Configuration Register (HCR) bits */
+#define HCR_TID5	(UL(1) << 58)
+#define HCR_DCT		(UL(1) << 57)
 #define HCR_ATA		(UL(1) << 56)
+#define HCR_AMVOFFEN	(UL(1) << 51)
+#define HCR_FIEN	(UL(1) << 47)
 #define HCR_FWB		(UL(1) << 46)
 #define HCR_API		(UL(1) << 41)
 #define HCR_APK		(UL(1) << 40)
@@ -280,7 +284,11 @@ 
 /* Hyp Debug Configuration Register bits */
 #define MDCR_EL2_E2TB_MASK	(UL(0x3))
 #define MDCR_EL2_E2TB_SHIFT	(UL(24))
+#define MDCR_EL2_MTPME		(UL(1) << 28)
+#define MDCR_EL2_TDCC		(UL(1) << 27)
+#define MDCR_EL2_HCCD		(UL(1) << 23)
 #define MDCR_EL2_TTRF		(UL(1) << 19)
+#define MDCR_EL2_HPMD		(UL(1) << 17)
 #define MDCR_EL2_TPMS		(UL(1) << 14)
 #define MDCR_EL2_E2PB_MASK	(UL(0x3))
 #define MDCR_EL2_E2PB_SHIFT	(UL(12))