On Mon, Jan 05, 2026 at 12:28:36PM +0000, Anirudh Rayabharam wrote: > From: Anirudh Rayabharam (Microsoft) <[email protected]> > > Add definitions required for handling GPA intercepts on arm64. > > Signed-off-by: Anirudh Rayabharam (Microsoft) <[email protected]>
Reviewed-by: Stanislav Kinsburskii <[email protected]> > --- > include/hyperv/hvhdk.h | 47 ++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 47 insertions(+) > > diff --git a/include/hyperv/hvhdk.h b/include/hyperv/hvhdk.h > index 469186df7826..08965970c17d 100644 > --- a/include/hyperv/hvhdk.h > +++ b/include/hyperv/hvhdk.h > @@ -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. > -- > 2.34.1 >
