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-rw-r--r--arch/x86/include/asm/hyperv-tlfs.h145
1 files changed, 76 insertions, 69 deletions
diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h
index 2ff26f53cd..3787d26810 100644
--- a/arch/x86/include/asm/hyperv-tlfs.h
+++ b/arch/x86/include/asm/hyperv-tlfs.h
@@ -182,7 +182,7 @@ enum hv_isolation_type {
#define HV_X64_MSR_HYPERCALL 0x40000001
/* MSR used to provide vcpu index */
-#define HV_REGISTER_VP_INDEX 0x40000002
+#define HV_X64_MSR_VP_INDEX 0x40000002
/* MSR used to reset the guest OS. */
#define HV_X64_MSR_RESET 0x40000003
@@ -191,10 +191,10 @@ enum hv_isolation_type {
#define HV_X64_MSR_VP_RUNTIME 0x40000010
/* MSR used to read the per-partition time reference counter */
-#define HV_REGISTER_TIME_REF_COUNT 0x40000020
+#define HV_X64_MSR_TIME_REF_COUNT 0x40000020
/* A partition's reference time stamp counter (TSC) page */
-#define HV_REGISTER_REFERENCE_TSC 0x40000021
+#define HV_X64_MSR_REFERENCE_TSC 0x40000021
/* MSR used to retrieve the TSC frequency */
#define HV_X64_MSR_TSC_FREQUENCY 0x40000022
@@ -209,61 +209,61 @@ enum hv_isolation_type {
#define HV_X64_MSR_VP_ASSIST_PAGE 0x40000073
/* Define synthetic interrupt controller model specific registers. */
-#define HV_REGISTER_SCONTROL 0x40000080
-#define HV_REGISTER_SVERSION 0x40000081
-#define HV_REGISTER_SIEFP 0x40000082
-#define HV_REGISTER_SIMP 0x40000083
-#define HV_REGISTER_EOM 0x40000084
-#define HV_REGISTER_SINT0 0x40000090
-#define HV_REGISTER_SINT1 0x40000091
-#define HV_REGISTER_SINT2 0x40000092
-#define HV_REGISTER_SINT3 0x40000093
-#define HV_REGISTER_SINT4 0x40000094
-#define HV_REGISTER_SINT5 0x40000095
-#define HV_REGISTER_SINT6 0x40000096
-#define HV_REGISTER_SINT7 0x40000097
-#define HV_REGISTER_SINT8 0x40000098
-#define HV_REGISTER_SINT9 0x40000099
-#define HV_REGISTER_SINT10 0x4000009A
-#define HV_REGISTER_SINT11 0x4000009B
-#define HV_REGISTER_SINT12 0x4000009C
-#define HV_REGISTER_SINT13 0x4000009D
-#define HV_REGISTER_SINT14 0x4000009E
-#define HV_REGISTER_SINT15 0x4000009F
+#define HV_X64_MSR_SCONTROL 0x40000080
+#define HV_X64_MSR_SVERSION 0x40000081
+#define HV_X64_MSR_SIEFP 0x40000082
+#define HV_X64_MSR_SIMP 0x40000083
+#define HV_X64_MSR_EOM 0x40000084
+#define HV_X64_MSR_SINT0 0x40000090
+#define HV_X64_MSR_SINT1 0x40000091
+#define HV_X64_MSR_SINT2 0x40000092
+#define HV_X64_MSR_SINT3 0x40000093
+#define HV_X64_MSR_SINT4 0x40000094
+#define HV_X64_MSR_SINT5 0x40000095
+#define HV_X64_MSR_SINT6 0x40000096
+#define HV_X64_MSR_SINT7 0x40000097
+#define HV_X64_MSR_SINT8 0x40000098
+#define HV_X64_MSR_SINT9 0x40000099
+#define HV_X64_MSR_SINT10 0x4000009A
+#define HV_X64_MSR_SINT11 0x4000009B
+#define HV_X64_MSR_SINT12 0x4000009C
+#define HV_X64_MSR_SINT13 0x4000009D
+#define HV_X64_MSR_SINT14 0x4000009E
+#define HV_X64_MSR_SINT15 0x4000009F
/*
* Define synthetic interrupt controller model specific registers for
* nested hypervisor.
*/
-#define HV_REGISTER_NESTED_SCONTROL 0x40001080
-#define HV_REGISTER_NESTED_SVERSION 0x40001081
-#define HV_REGISTER_NESTED_SIEFP 0x40001082
-#define HV_REGISTER_NESTED_SIMP 0x40001083
-#define HV_REGISTER_NESTED_EOM 0x40001084
-#define HV_REGISTER_NESTED_SINT0 0x40001090
+#define HV_X64_MSR_NESTED_SCONTROL 0x40001080
+#define HV_X64_MSR_NESTED_SVERSION 0x40001081
+#define HV_X64_MSR_NESTED_SIEFP 0x40001082
+#define HV_X64_MSR_NESTED_SIMP 0x40001083
+#define HV_X64_MSR_NESTED_EOM 0x40001084
+#define HV_X64_MSR_NESTED_SINT0 0x40001090
/*
* Synthetic Timer MSRs. Four timers per vcpu.
*/
-#define HV_REGISTER_STIMER0_CONFIG 0x400000B0
-#define HV_REGISTER_STIMER0_COUNT 0x400000B1
-#define HV_REGISTER_STIMER1_CONFIG 0x400000B2
-#define HV_REGISTER_STIMER1_COUNT 0x400000B3
-#define HV_REGISTER_STIMER2_CONFIG 0x400000B4
-#define HV_REGISTER_STIMER2_COUNT 0x400000B5
-#define HV_REGISTER_STIMER3_CONFIG 0x400000B6
-#define HV_REGISTER_STIMER3_COUNT 0x400000B7
+#define HV_X64_MSR_STIMER0_CONFIG 0x400000B0
+#define HV_X64_MSR_STIMER0_COUNT 0x400000B1
+#define HV_X64_MSR_STIMER1_CONFIG 0x400000B2
+#define HV_X64_MSR_STIMER1_COUNT 0x400000B3
+#define HV_X64_MSR_STIMER2_CONFIG 0x400000B4
+#define HV_X64_MSR_STIMER2_COUNT 0x400000B5
+#define HV_X64_MSR_STIMER3_CONFIG 0x400000B6
+#define HV_X64_MSR_STIMER3_COUNT 0x400000B7
/* Hyper-V guest idle MSR */
#define HV_X64_MSR_GUEST_IDLE 0x400000F0
/* Hyper-V guest crash notification MSR's */
-#define HV_REGISTER_CRASH_P0 0x40000100
-#define HV_REGISTER_CRASH_P1 0x40000101
-#define HV_REGISTER_CRASH_P2 0x40000102
-#define HV_REGISTER_CRASH_P3 0x40000103
-#define HV_REGISTER_CRASH_P4 0x40000104
-#define HV_REGISTER_CRASH_CTL 0x40000105
+#define HV_X64_MSR_CRASH_P0 0x40000100
+#define HV_X64_MSR_CRASH_P1 0x40000101
+#define HV_X64_MSR_CRASH_P2 0x40000102
+#define HV_X64_MSR_CRASH_P3 0x40000103
+#define HV_X64_MSR_CRASH_P4 0x40000104
+#define HV_X64_MSR_CRASH_CTL 0x40000105
/* TSC emulation after migration */
#define HV_X64_MSR_REENLIGHTENMENT_CONTROL 0x40000106
@@ -276,31 +276,38 @@ enum hv_isolation_type {
/* HV_X64_MSR_TSC_INVARIANT_CONTROL bits */
#define HV_EXPOSE_INVARIANT_TSC BIT_ULL(0)
-/* Register name aliases for temporary compatibility */
-#define HV_X64_MSR_STIMER0_COUNT HV_REGISTER_STIMER0_COUNT
-#define HV_X64_MSR_STIMER0_CONFIG HV_REGISTER_STIMER0_CONFIG
-#define HV_X64_MSR_STIMER1_COUNT HV_REGISTER_STIMER1_COUNT
-#define HV_X64_MSR_STIMER1_CONFIG HV_REGISTER_STIMER1_CONFIG
-#define HV_X64_MSR_STIMER2_COUNT HV_REGISTER_STIMER2_COUNT
-#define HV_X64_MSR_STIMER2_CONFIG HV_REGISTER_STIMER2_CONFIG
-#define HV_X64_MSR_STIMER3_COUNT HV_REGISTER_STIMER3_COUNT
-#define HV_X64_MSR_STIMER3_CONFIG HV_REGISTER_STIMER3_CONFIG
-#define HV_X64_MSR_SCONTROL HV_REGISTER_SCONTROL
-#define HV_X64_MSR_SVERSION HV_REGISTER_SVERSION
-#define HV_X64_MSR_SIMP HV_REGISTER_SIMP
-#define HV_X64_MSR_SIEFP HV_REGISTER_SIEFP
-#define HV_X64_MSR_VP_INDEX HV_REGISTER_VP_INDEX
-#define HV_X64_MSR_EOM HV_REGISTER_EOM
-#define HV_X64_MSR_SINT0 HV_REGISTER_SINT0
-#define HV_X64_MSR_SINT15 HV_REGISTER_SINT15
-#define HV_X64_MSR_CRASH_P0 HV_REGISTER_CRASH_P0
-#define HV_X64_MSR_CRASH_P1 HV_REGISTER_CRASH_P1
-#define HV_X64_MSR_CRASH_P2 HV_REGISTER_CRASH_P2
-#define HV_X64_MSR_CRASH_P3 HV_REGISTER_CRASH_P3
-#define HV_X64_MSR_CRASH_P4 HV_REGISTER_CRASH_P4
-#define HV_X64_MSR_CRASH_CTL HV_REGISTER_CRASH_CTL
-#define HV_X64_MSR_TIME_REF_COUNT HV_REGISTER_TIME_REF_COUNT
-#define HV_X64_MSR_REFERENCE_TSC HV_REGISTER_REFERENCE_TSC
+/*
+ * To support arch-generic code calling hv_set/get_register:
+ * - On x86, HV_MSR_ indicates an MSR accessed via rdmsrl/wrmsrl
+ * - On ARM, HV_MSR_ indicates a VP register accessed via hypercall
+ */
+#define HV_MSR_CRASH_P0 (HV_X64_MSR_CRASH_P0)
+#define HV_MSR_CRASH_P1 (HV_X64_MSR_CRASH_P1)
+#define HV_MSR_CRASH_P2 (HV_X64_MSR_CRASH_P2)
+#define HV_MSR_CRASH_P3 (HV_X64_MSR_CRASH_P3)
+#define HV_MSR_CRASH_P4 (HV_X64_MSR_CRASH_P4)
+#define HV_MSR_CRASH_CTL (HV_X64_MSR_CRASH_CTL)
+
+#define HV_MSR_VP_INDEX (HV_X64_MSR_VP_INDEX)
+#define HV_MSR_TIME_REF_COUNT (HV_X64_MSR_TIME_REF_COUNT)
+#define HV_MSR_REFERENCE_TSC (HV_X64_MSR_REFERENCE_TSC)
+
+#define HV_MSR_SINT0 (HV_X64_MSR_SINT0)
+#define HV_MSR_SVERSION (HV_X64_MSR_SVERSION)
+#define HV_MSR_SCONTROL (HV_X64_MSR_SCONTROL)
+#define HV_MSR_SIEFP (HV_X64_MSR_SIEFP)
+#define HV_MSR_SIMP (HV_X64_MSR_SIMP)
+#define HV_MSR_EOM (HV_X64_MSR_EOM)
+
+#define HV_MSR_NESTED_SCONTROL (HV_X64_MSR_NESTED_SCONTROL)
+#define HV_MSR_NESTED_SVERSION (HV_X64_MSR_NESTED_SVERSION)
+#define HV_MSR_NESTED_SIEFP (HV_X64_MSR_NESTED_SIEFP)
+#define HV_MSR_NESTED_SIMP (HV_X64_MSR_NESTED_SIMP)
+#define HV_MSR_NESTED_EOM (HV_X64_MSR_NESTED_EOM)
+#define HV_MSR_NESTED_SINT0 (HV_X64_MSR_NESTED_SINT0)
+
+#define HV_MSR_STIMER0_CONFIG (HV_X64_MSR_STIMER0_CONFIG)
+#define HV_MSR_STIMER0_COUNT (HV_X64_MSR_STIMER0_COUNT)
/*
* Registers are only accessible via HVCALL_GET_VP_REGISTERS hvcall and