1 files changed, 78 insertions, 0 deletions

diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h
index 0b73a809e9e1..cea95dcd27c2 100644
--- a/arch/x86/include/asm/hyperv-tlfs.h
+++ b/arch/x86/include/asm/hyperv-tlfs.h
@@ -122,6 +122,9 @@
 /* Recommend using enlightened VMCS */
 #define HV_X64_ENLIGHTENED_VMCS_RECOMMENDED		BIT(14)
 
+/* Use hypercalls for MMIO config space access */
+#define HV_X64_USE_MMIO_HYPERCALLS			BIT(21)
+
 /*
  * CPU management features identification.
  * These are HYPERV_CPUID_CPU_MANAGEMENT_FEATURES.EAX bits.
@@ -713,6 +716,81 @@ union hv_msi_entry {
 	} __packed;
 };
 
+struct hv_x64_segment_register {
+	u64 base;
+	u32 limit;
+	u16 selector;
+	union {
+		struct {
+			u16 segment_type : 4;
+			u16 non_system_segment : 1;
+			u16 descriptor_privilege_level : 2;
+			u16 present : 1;
+			u16 reserved : 4;
+			u16 available : 1;
+			u16 _long : 1;
+			u16 _default : 1;
+			u16 granularity : 1;
+		} __packed;
+		u16 attributes;
+	};
+} __packed;
+
+struct hv_x64_table_register {
+	u16 pad[3];
+	u16 limit;
+	u64 base;
+} __packed;
+
+struct hv_init_vp_context {
+	u64 rip;
+	u64 rsp;
+	u64 rflags;
+
+	struct hv_x64_segment_register cs;
+	struct hv_x64_segment_register ds;
+	struct hv_x64_segment_register es;
+	struct hv_x64_segment_register fs;
+	struct hv_x64_segment_register gs;
+	struct hv_x64_segment_register ss;
+	struct hv_x64_segment_register tr;
+	struct hv_x64_segment_register ldtr;
+
+	struct hv_x64_table_register idtr;
+	struct hv_x64_table_register gdtr;
+
+	u64 efer;
+	u64 cr0;
+	u64 cr3;
+	u64 cr4;
+	u64 msr_cr_pat;
+} __packed;
+
+union hv_input_vtl {
+	u8 as_uint8;
+	struct {
+		u8 target_vtl: 4;
+		u8 use_target_vtl: 1;
+		u8 reserved_z: 3;
+	};
+} __packed;
+
+struct hv_enable_vp_vtl {
+	u64				partition_id;
+	u32				vp_index;
+	union hv_input_vtl		target_vtl;
+	u8				mbz0;
+	u16				mbz1;
+	struct hv_init_vp_context	vp_context;
+} __packed;
+
+struct hv_get_vp_from_apic_id_in {
+	u64 partition_id;
+	union hv_input_vtl target_vtl;
+	u8 res[7];
+	u32 apic_ids[];
+} __packed;
+
 #include <asm-generic/hyperv-tlfs.h>
 
 #endif