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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
mshv: add definitions for arm64 gpa intercepts
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>
authored by
Anirudh Rayabharam (Microsoft)
and committed by
Wei Liu
69c88a6a
d2999c0f
+47
+47
include/hyperv/hvhdk.h
+47
include/hyperv/hvhdk.h
···
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u8 instruction_bytes[16];
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} __packed;
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#if IS_ENABLED(CONFIG_ARM64)
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union hv_arm64_vp_execution_state {
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u16 as_uint16;
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struct {
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u16 cpl:2; /* Exception Level (EL) */
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u16 debug_active:1;
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u16 interruption_pending:1;
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u16 vtl:4;
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u16 virtualization_fault_active:1;
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u16 reserved:7;
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} __packed;
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};
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struct hv_arm64_intercept_message_header {
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u32 vp_index;
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u8 instruction_length;
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u8 intercept_access_type;
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union hv_arm64_vp_execution_state execution_state;
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u64 pc;
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u64 cpsr;
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} __packed;
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union hv_arm64_memory_access_info {
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u8 as_uint8;
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struct {
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u8 gva_valid:1;
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u8 gva_gpa_valid:1;
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u8 hypercall_output_pending:1;
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u8 reserved:5;
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} __packed;
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};
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struct hv_arm64_memory_intercept_message {
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struct hv_arm64_intercept_message_header header;
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u32 cache_type; /* enum hv_cache_type */
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u8 instruction_byte_count;
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union hv_arm64_memory_access_info memory_access_info;
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u16 reserved1;
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u8 instruction_bytes[4];
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u32 reserved2;
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u64 guest_virtual_address;
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u64 guest_physical_address;
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u64 syndrome;
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} __packed;
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#endif /* CONFIG_ARM64 */
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/*
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* Dispatch state for the VP communicated by the hypervisor to the
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* VP-dispatching thread in the root on return from HVCALL_DISPATCH_VP.