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mshv: add definitions for arm64 gpa intercepts

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Add definitions required for handling GPA intercepts on arm64.

Signed-off-by: Anirudh Rayabharam (Microsoft) <anirudh@anirudhrb.com>
Reviewed-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Anirudh Rayabharam (Microsoft)
2026-01-05 12:28:36 +00:00
committed by Wei Liu
parent d2999c0fbc
commit 69c88a6a49
1 changed files with 47 additions and 0 deletions
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47
include/hyperv/hvhdk.h
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@@ -800,6 +800,53 @@ struct hv_x64_memory_intercept_message {
u8 instruction_bytes[16];
} __packed;
#if IS_ENABLED(CONFIG_ARM64)
union hv_arm64_vp_execution_state {
u16 as_uint16;
struct {
u16 cpl:2; /* Exception Level (EL) */
u16 debug_active:1;
u16 interruption_pending:1;
u16 vtl:4;
u16 virtualization_fault_active:1;
u16 reserved:7;
} __packed;
};
struct hv_arm64_intercept_message_header {
u32 vp_index;
u8 instruction_length;
u8 intercept_access_type;
union hv_arm64_vp_execution_state execution_state;
u64 pc;
u64 cpsr;
} __packed;
union hv_arm64_memory_access_info {
u8 as_uint8;
struct {
u8 gva_valid:1;
u8 gva_gpa_valid:1;
u8 hypercall_output_pending:1;
u8 reserved:5;
} __packed;
};
struct hv_arm64_memory_intercept_message {
struct hv_arm64_intercept_message_header header;
u32 cache_type; /* enum hv_cache_type */
u8 instruction_byte_count;
union hv_arm64_memory_access_info memory_access_info;
u16 reserved1;
u8 instruction_bytes[4];
u32 reserved2;
u64 guest_virtual_address;
u64 guest_physical_address;
u64 syndrome;
} __packed;
#endif /* CONFIG_ARM64 */
/*
* Dispatch state for the VP communicated by the hypervisor to the
* VP-dispatching thread in the root on return from HVCALL_DISPATCH_VP.