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Diffstat (limited to 'arch/arm64/include/asm/kvm_arm.h')
-rw-r--r--arch/arm64/include/asm/kvm_arm.h186
1 files changed, 76 insertions, 110 deletions
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index e9c8a581e16f..1da290aeedce 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -12,67 +12,70 @@
#include <asm/sysreg.h>
#include <asm/types.h>
-/* Hyp Configuration Register (HCR) bits */
-
-#define HCR_TID5 (UL(1) << 58)
-#define HCR_DCT (UL(1) << 57)
-#define HCR_ATA_SHIFT 56
-#define HCR_ATA (UL(1) << HCR_ATA_SHIFT)
-#define HCR_TTLBOS (UL(1) << 55)
-#define HCR_TTLBIS (UL(1) << 54)
-#define HCR_ENSCXT (UL(1) << 53)
-#define HCR_TOCU (UL(1) << 52)
-#define HCR_AMVOFFEN (UL(1) << 51)
-#define HCR_TICAB (UL(1) << 50)
-#define HCR_TID4 (UL(1) << 49)
-#define HCR_FIEN (UL(1) << 47)
-#define HCR_FWB (UL(1) << 46)
-#define HCR_NV2 (UL(1) << 45)
-#define HCR_AT (UL(1) << 44)
-#define HCR_NV1 (UL(1) << 43)
-#define HCR_NV (UL(1) << 42)
-#define HCR_API (UL(1) << 41)
-#define HCR_APK (UL(1) << 40)
-#define HCR_TEA (UL(1) << 37)
-#define HCR_TERR (UL(1) << 36)
-#define HCR_TLOR (UL(1) << 35)
-#define HCR_E2H (UL(1) << 34)
-#define HCR_ID (UL(1) << 33)
-#define HCR_CD (UL(1) << 32)
-#define HCR_RW_SHIFT 31
-#define HCR_RW (UL(1) << HCR_RW_SHIFT)
-#define HCR_TRVM (UL(1) << 30)
-#define HCR_HCD (UL(1) << 29)
-#define HCR_TDZ (UL(1) << 28)
-#define HCR_TGE (UL(1) << 27)
-#define HCR_TVM (UL(1) << 26)
-#define HCR_TTLB (UL(1) << 25)
-#define HCR_TPU (UL(1) << 24)
-#define HCR_TPC (UL(1) << 23) /* HCR_TPCP if FEAT_DPB */
-#define HCR_TSW (UL(1) << 22)
-#define HCR_TACR (UL(1) << 21)
-#define HCR_TIDCP (UL(1) << 20)
-#define HCR_TSC (UL(1) << 19)
-#define HCR_TID3 (UL(1) << 18)
-#define HCR_TID2 (UL(1) << 17)
-#define HCR_TID1 (UL(1) << 16)
-#define HCR_TID0 (UL(1) << 15)
-#define HCR_TWE (UL(1) << 14)
-#define HCR_TWI (UL(1) << 13)
-#define HCR_DC (UL(1) << 12)
-#define HCR_BSU (3 << 10)
-#define HCR_BSU_IS (UL(1) << 10)
-#define HCR_FB (UL(1) << 9)
-#define HCR_VSE (UL(1) << 8)
-#define HCR_VI (UL(1) << 7)
-#define HCR_VF (UL(1) << 6)
-#define HCR_AMO (UL(1) << 5)
-#define HCR_IMO (UL(1) << 4)
-#define HCR_FMO (UL(1) << 3)
-#define HCR_PTW (UL(1) << 2)
-#define HCR_SWIO (UL(1) << 1)
-#define HCR_VM (UL(1) << 0)
-#define HCR_RES0 ((UL(1) << 48) | (UL(1) << 39))
+/*
+ * Because I'm terribly lazy and that repainting the whole of the KVM
+ * code with the proper names is a pain, use a helper to map the names
+ * inherited from AArch32 with the new fancy nomenclature. One day...
+ */
+#define __HCR(x) HCR_EL2_##x
+
+#define HCR_TID5 __HCR(TID5)
+#define HCR_DCT __HCR(DCT)
+#define HCR_ATA_SHIFT __HCR(ATA_SHIFT)
+#define HCR_ATA __HCR(ATA)
+#define HCR_TTLBOS __HCR(TTLBOS)
+#define HCR_TTLBIS __HCR(TTLBIS)
+#define HCR_ENSCXT __HCR(EnSCXT)
+#define HCR_TOCU __HCR(TOCU)
+#define HCR_AMVOFFEN __HCR(AMVOFFEN)
+#define HCR_TICAB __HCR(TICAB)
+#define HCR_TID4 __HCR(TID4)
+#define HCR_FIEN __HCR(FIEN)
+#define HCR_FWB __HCR(FWB)
+#define HCR_NV2 __HCR(NV2)
+#define HCR_AT __HCR(AT)
+#define HCR_NV1 __HCR(NV1)
+#define HCR_NV __HCR(NV)
+#define HCR_API __HCR(API)
+#define HCR_APK __HCR(APK)
+#define HCR_TEA __HCR(TEA)
+#define HCR_TERR __HCR(TERR)
+#define HCR_TLOR __HCR(TLOR)
+#define HCR_E2H __HCR(E2H)
+#define HCR_ID __HCR(ID)
+#define HCR_CD __HCR(CD)
+#define HCR_RW __HCR(RW)
+#define HCR_TRVM __HCR(TRVM)
+#define HCR_HCD __HCR(HCD)
+#define HCR_TDZ __HCR(TDZ)
+#define HCR_TGE __HCR(TGE)
+#define HCR_TVM __HCR(TVM)
+#define HCR_TTLB __HCR(TTLB)
+#define HCR_TPU __HCR(TPU)
+#define HCR_TPC __HCR(TPCP)
+#define HCR_TSW __HCR(TSW)
+#define HCR_TACR __HCR(TACR)
+#define HCR_TIDCP __HCR(TIDCP)
+#define HCR_TSC __HCR(TSC)
+#define HCR_TID3 __HCR(TID3)
+#define HCR_TID2 __HCR(TID2)
+#define HCR_TID1 __HCR(TID1)
+#define HCR_TID0 __HCR(TID0)
+#define HCR_TWE __HCR(TWE)
+#define HCR_TWI __HCR(TWI)
+#define HCR_DC __HCR(DC)
+#define HCR_BSU __HCR(BSU)
+#define HCR_BSU_IS __HCR(BSU_IS)
+#define HCR_FB __HCR(FB)
+#define HCR_VSE __HCR(VSE)
+#define HCR_VI __HCR(VI)
+#define HCR_VF __HCR(VF)
+#define HCR_AMO __HCR(AMO)
+#define HCR_IMO __HCR(IMO)
+#define HCR_FMO __HCR(FMO)
+#define HCR_PTW __HCR(PTW)
+#define HCR_SWIO __HCR(SWIO)
+#define HCR_VM __HCR(VM)
/*
* The bits we set in HCR:
@@ -312,56 +315,19 @@
GENMASK(15, 0))
/*
- * FGT register definitions
- *
- * RES0 and polarity masks as of DDI0487J.a, to be updated as needed.
- * We're not using the generated masks as they are usually ahead of
- * the published ARM ARM, which we use as a reference.
- *
- * Once we get to a point where the two describe the same thing, we'll
- * merge the definitions. One day.
- */
-#define __HFGRTR_EL2_RES0 HFGxTR_EL2_RES0
-#define __HFGRTR_EL2_MASK GENMASK(49, 0)
-#define __HFGRTR_EL2_nMASK ~(__HFGRTR_EL2_RES0 | __HFGRTR_EL2_MASK)
-
-/*
- * The HFGWTR bits are a subset of HFGRTR bits. To ensure we don't miss any
- * future additions, define __HFGWTR* macros relative to __HFGRTR* ones.
+ * Polarity masks for HCRX_EL2, limited to the bits that we know about
+ * at this point in time. It doesn't mean that we actually *handle*
+ * them, but that at least those that are not advertised to a guest
+ * will be RES0 for that guest.
*/
-#define __HFGRTR_ONLY_MASK (BIT(46) | BIT(42) | BIT(40) | BIT(28) | \
- GENMASK(26, 25) | BIT(21) | BIT(18) | \
- GENMASK(15, 14) | GENMASK(10, 9) | BIT(2))
-#define __HFGWTR_EL2_RES0 (__HFGRTR_EL2_RES0 | __HFGRTR_ONLY_MASK)
-#define __HFGWTR_EL2_MASK (__HFGRTR_EL2_MASK & ~__HFGRTR_ONLY_MASK)
-#define __HFGWTR_EL2_nMASK ~(__HFGWTR_EL2_RES0 | __HFGWTR_EL2_MASK)
-
-#define __HFGITR_EL2_RES0 HFGITR_EL2_RES0
-#define __HFGITR_EL2_MASK (BIT(62) | BIT(60) | GENMASK(54, 0))
-#define __HFGITR_EL2_nMASK ~(__HFGITR_EL2_RES0 | __HFGITR_EL2_MASK)
-
-#define __HDFGRTR_EL2_RES0 HDFGRTR_EL2_RES0
-#define __HDFGRTR_EL2_MASK (BIT(63) | GENMASK(58, 50) | GENMASK(48, 43) | \
- GENMASK(41, 40) | GENMASK(37, 22) | \
- GENMASK(19, 9) | GENMASK(7, 0))
-#define __HDFGRTR_EL2_nMASK ~(__HDFGRTR_EL2_RES0 | __HDFGRTR_EL2_MASK)
-
-#define __HDFGWTR_EL2_RES0 HDFGWTR_EL2_RES0
-#define __HDFGWTR_EL2_MASK (GENMASK(57, 52) | GENMASK(50, 48) | \
- GENMASK(46, 44) | GENMASK(42, 41) | \
- GENMASK(37, 35) | GENMASK(33, 31) | \
- GENMASK(29, 23) | GENMASK(21, 10) | \
- GENMASK(8, 7) | GENMASK(5, 0))
-#define __HDFGWTR_EL2_nMASK ~(__HDFGWTR_EL2_RES0 | __HDFGWTR_EL2_MASK)
-
-#define __HAFGRTR_EL2_RES0 HAFGRTR_EL2_RES0
-#define __HAFGRTR_EL2_MASK (GENMASK(49, 17) | GENMASK(4, 0))
-#define __HAFGRTR_EL2_nMASK ~(__HAFGRTR_EL2_RES0 | __HAFGRTR_EL2_MASK)
-
-/* Similar definitions for HCRX_EL2 */
-#define __HCRX_EL2_RES0 HCRX_EL2_RES0
-#define __HCRX_EL2_MASK (BIT(6))
-#define __HCRX_EL2_nMASK ~(__HCRX_EL2_RES0 | __HCRX_EL2_MASK)
+#define __HCRX_EL2_MASK (BIT_ULL(6))
+#define __HCRX_EL2_nMASK (GENMASK_ULL(24, 14) | \
+ GENMASK_ULL(11, 7) | \
+ GENMASK_ULL(5, 0))
+#define __HCRX_EL2_RES0 ~(__HCRX_EL2_nMASK | __HCRX_EL2_MASK)
+#define __HCRX_EL2_RES1 ~(__HCRX_EL2_nMASK | \
+ __HCRX_EL2_MASK | \
+ __HCRX_EL2_RES0)
/* Hyp Prefetch Fault Address Register (HPFAR/HDFAR) */
#define HPFAR_MASK (~UL(0xf))