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linux-7.2.3/include/hyperv/hvgdk.h

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+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Type definitions for the Microsoft Hypervisor.
+ */
+#ifndef _HV_HVGDK_H
+#define _HV_HVGDK_H
+
+#include "hvgdk_mini.h"
+#include "hvgdk_ext.h"
+
+/*
+ * The guest OS needs to register the guest ID with the hypervisor.
+ * The guest ID is a 64-bit entity and the structure of this ID is
+ * specified in the Hyper-V TLFS specification.
+ *
+ * Bit(s)
+ * 63 - Indicates if the OS is Open Source or not; 1 is Open Source
+ * 62:56 - OS Type; Linux is 0x1
+ * 55:48 - Distro specific identification
+ * 47:16 - Linux kernel version number
+ * 15:0  - Distro specific identification
+ */
+
+#define HV_LINUX_VENDOR_ID              0x8100
+
+/* HV_VMX_ENLIGHTENED_VMCS */
+struct hv_enlightened_vmcs {
+	u32 revision_id;
+	u32 abort;
+
+	u16 host_es_selector;
+	u16 host_cs_selector;
+	u16 host_ss_selector;
+	u16 host_ds_selector;
+	u16 host_fs_selector;
+	u16 host_gs_selector;
+	u16 host_tr_selector;
+
+	u16 padding16_1;
+
+	u64 host_ia32_pat;
+	u64 host_ia32_efer;
+
+	u64 host_cr0;
+	u64 host_cr3;
+	u64 host_cr4;
+
+	u64 host_ia32_sysenter_esp;
+	u64 host_ia32_sysenter_eip;
+	u64 host_rip;
+	u32 host_ia32_sysenter_cs;
+
+	u32 pin_based_vm_exec_control;
+	u32 vm_exit_controls;
+	u32 secondary_vm_exec_control;
+
+	u64 io_bitmap_a;
+	u64 io_bitmap_b;
+	u64 msr_bitmap;
+
+	u16 guest_es_selector;
+	u16 guest_cs_selector;
+	u16 guest_ss_selector;
+	u16 guest_ds_selector;
+	u16 guest_fs_selector;
+	u16 guest_gs_selector;
+	u16 guest_ldtr_selector;
+	u16 guest_tr_selector;
+
+	u32 guest_es_limit;
+	u32 guest_cs_limit;
+	u32 guest_ss_limit;
+	u32 guest_ds_limit;
+	u32 guest_fs_limit;
+	u32 guest_gs_limit;
+	u32 guest_ldtr_limit;
+	u32 guest_tr_limit;
+	u32 guest_gdtr_limit;
+	u32 guest_idtr_limit;
+
+	u32 guest_es_ar_bytes;
+	u32 guest_cs_ar_bytes;
+	u32 guest_ss_ar_bytes;
+	u32 guest_ds_ar_bytes;
+	u32 guest_fs_ar_bytes;
+	u32 guest_gs_ar_bytes;
+	u32 guest_ldtr_ar_bytes;
+	u32 guest_tr_ar_bytes;
+
+	u64 guest_es_base;
+	u64 guest_cs_base;
+	u64 guest_ss_base;
+	u64 guest_ds_base;
+	u64 guest_fs_base;
+	u64 guest_gs_base;
+	u64 guest_ldtr_base;
+	u64 guest_tr_base;
+	u64 guest_gdtr_base;
+	u64 guest_idtr_base;
+
+	u64 padding64_1[3];
+
+	u64 vm_exit_msr_store_addr;
+	u64 vm_exit_msr_load_addr;
+	u64 vm_entry_msr_load_addr;
+
+	u64 cr3_target_value0;
+	u64 cr3_target_value1;
+	u64 cr3_target_value2;
+	u64 cr3_target_value3;
+
+	u32 page_fault_error_code_mask;
+	u32 page_fault_error_code_match;
+
+	u32 cr3_target_count;
+	u32 vm_exit_msr_store_count;
+	u32 vm_exit_msr_load_count;
+	u32 vm_entry_msr_load_count;
+
+	u64 tsc_offset;
+	u64 virtual_apic_page_addr;
+	u64 vmcs_link_pointer;
+
+	u64 guest_ia32_debugctl;
+	u64 guest_ia32_pat;
+	u64 guest_ia32_efer;
+
+	u64 guest_pdptr0;
+	u64 guest_pdptr1;
+	u64 guest_pdptr2;
+	u64 guest_pdptr3;
+
+	u64 guest_pending_dbg_exceptions;
+	u64 guest_sysenter_esp;
+	u64 guest_sysenter_eip;
+
+	u32 guest_activity_state;
+	u32 guest_sysenter_cs;
+
+	u64 cr0_guest_host_mask;
+	u64 cr4_guest_host_mask;
+	u64 cr0_read_shadow;
+	u64 cr4_read_shadow;
+	u64 guest_cr0;
+	u64 guest_cr3;
+	u64 guest_cr4;
+	u64 guest_dr7;
+
+	u64 host_fs_base;
+	u64 host_gs_base;
+	u64 host_tr_base;
+	u64 host_gdtr_base;
+	u64 host_idtr_base;
+	u64 host_rsp;
+
+	u64 ept_pointer;
+
+	u16 virtual_processor_id;
+	u16 padding16_2[3];
+
+	u64 padding64_2[5];
+	u64 guest_physical_address;
+
+	u32 vm_instruction_error;
+	u32 vm_exit_reason;
+	u32 vm_exit_intr_info;
+	u32 vm_exit_intr_error_code;
+	u32 idt_vectoring_info_field;
+	u32 idt_vectoring_error_code;
+	u32 vm_exit_instruction_len;
+	u32 vmx_instruction_info;
+
+	u64 exit_qualification;
+	u64 exit_io_instruction_ecx;
+	u64 exit_io_instruction_esi;
+	u64 exit_io_instruction_edi;
+	u64 exit_io_instruction_eip;
+
+	u64 guest_linear_address;
+	u64 guest_rsp;
+	u64 guest_rflags;
+
+	u32 guest_interruptibility_info;
+	u32 cpu_based_vm_exec_control;
+	u32 exception_bitmap;
+	u32 vm_entry_controls;
+	u32 vm_entry_intr_info_field;
+	u32 vm_entry_exception_error_code;
+	u32 vm_entry_instruction_len;
+	u32 tpr_threshold;
+
+	u64 guest_rip;
+
+	u32 hv_clean_fields;
+	u32 padding32_1;
+	u32 hv_synthetic_controls;
+	struct {
+		u32 nested_flush_hypercall:1;
+		u32 msr_bitmap:1;
+		u32 reserved:30;
+	}  __packed hv_enlightenments_control;
+	u32 hv_vp_id;
+	u32 padding32_2;
+	u64 hv_vm_id;
+	u64 partition_assist_page;
+	u64 padding64_4[4];
+	u64 guest_bndcfgs;
+	u64 guest_ia32_perf_global_ctrl;
+	u64 guest_ia32_s_cet;
+	u64 guest_ssp;
+	u64 guest_ia32_int_ssp_table_addr;
+	u64 guest_ia32_lbr_ctl;
+	u64 padding64_5[2];
+	u64 xss_exit_bitmap;
+	u64 encls_exiting_bitmap;
+	u64 host_ia32_perf_global_ctrl;
+	u64 tsc_multiplier;
+	u64 host_ia32_s_cet;
+	u64 host_ssp;
+	u64 host_ia32_int_ssp_table_addr;
+	u64 padding64_6;
+} __packed;
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE			0
+
+
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP		BIT(0)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_MSR_BITMAP		BIT(1)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2		BIT(2)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1		BIT(3)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_PROC		BIT(4)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT		BIT(5)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_ENTRY		BIT(6)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EXCPN		BIT(7)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR			BIT(8)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT		BIT(9)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC		BIT(10)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1		BIT(11)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2		BIT(12)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER		BIT(13)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1		BIT(14)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ENLIGHTENMENTSCONTROL	BIT(15)
+
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL			0xFFFF
+
+/*
+ * Note, Hyper-V isn't actually stealing bit 28 from Intel, just abusing it by
+ * pairing it with architecturally impossible exit reasons.  Bit 28 is set only
+ * on SMI exits to a SMI transfer monitor (STM) and if and only if a MTF VM-Exit
+ * is pending.  I.e. it will never be set by hardware for non-SMI exits (there
+ * are only three), nor will it ever be set unless the VMM is an STM.
+ */
+#define HV_VMX_SYNTHETIC_EXIT_REASON_TRAP_AFTER_FLUSH		0x10000031
+
+/*
+ * Hyper-V uses the software reserved 32 bytes in VMCB control area to expose
+ * SVM enlightenments to guests. This is documented in the TLFS doc.
+ * Note on naming: SVM_NESTED_ENLIGHTENED_VMCB_FIELDS
+ */
+struct hv_vmcb_enlightenments {
+	struct __packed hv_enlightenments_control {
+		u32 nested_flush_hypercall : 1;
+		u32 msr_bitmap : 1;
+		u32 enlightened_npt_tlb: 1;
+		u32 reserved : 29;
+	} __packed hv_enlightenments_control;
+	u32 hv_vp_id;
+	u64 hv_vm_id;
+	u64 partition_assist_page;
+	u64 reserved;
+} __packed;
+
+/*
+ * Hyper-V uses the software reserved clean bit in VMCB.
+ */
+#define HV_VMCB_NESTED_ENLIGHTENMENTS		31
+
+/* Synthetic VM-Exit */
+#define HV_SVM_EXITCODE_ENL			0xf0000000ull
+#define HV_SVM_ENL_EXITCODE_TRAP_AFTER_FLUSH	(1)
+
+/* VM_PARTITION_ASSIST_PAGE */
+struct hv_partition_assist_pg {
+	u32 tlb_lock_count;
+};
+
+/* Define connection identifier type. */
+union hv_connection_id {
+	u32 asu32;
+	struct {
+		u32 id : 24;
+		u32 reserved : 8;
+	} __packed u;
+};
+
+struct hv_input_unmap_gpa_pages {
+	u64 target_partition_id;
+	u64 target_gpa_base;
+	u32 unmap_flags;
+	u32 padding;
+} __packed;
+
+#endif /* #ifndef _HV_HVGDK_H */

linux-7.2.3/include/hyperv/hvgdk_ext.h

@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Type definitions for the Microsoft Hypervisor.
+ */
+#ifndef _HV_HVGDK_EXT_H
+#define _HV_HVGDK_EXT_H
+
+#include "hvgdk_mini.h"
+
+/* Extended hypercalls */
+#define HV_EXT_CALL_QUERY_CAPABILITIES		0x8001
+#define HV_EXT_CALL_MEMORY_HEAT_HINT		0x8003
+
+/* Extended hypercalls */
+enum {		/* HV_EXT_CALL */
+	HV_EXTCALL_QUERY_CAPABILITIES = 0x8001,
+	HV_EXTCALL_MEMORY_HEAT_HINT   = 0x8003,
+};
+
+/* HV_EXT_OUTPUT_QUERY_CAPABILITIES */
+#define HV_EXT_CAPABILITY_MEMORY_COLD_DISCARD_HINT BIT(8)
+
+enum {		/* HV_EXT_MEMORY_HEAT_HINT_TYPE */
+	HV_EXTMEM_HEAT_HINT_COLD = 0,
+	HV_EXTMEM_HEAT_HINT_HOT = 1,
+	HV_EXTMEM_HEAT_HINT_COLD_DISCARD = 2,
+	HV_EXTMEM_HEAT_HINT_MAX
+};
+
+/*
+ * The whole argument should fit in a page to be able to pass to the hypervisor
+ * in one hypercall.
+ */
+#define HV_MEMORY_HINT_MAX_GPA_PAGE_RANGES  \
+	((HV_HYP_PAGE_SIZE - sizeof(struct hv_memory_hint)) / \
+		sizeof(union hv_gpa_page_range))
+
+/* HvExtCallMemoryHeatHint hypercall */
+#define HV_EXT_MEMORY_HEAT_HINT_TYPE_COLD_DISCARD	2
+struct hv_memory_hint {		/* HV_EXT_INPUT_MEMORY_HEAT_HINT */
+	u64 heat_type : 2;	/* HV_EXTMEM_HEAT_HINT_* */
+	u64 reserved : 62;
+	union hv_gpa_page_range ranges[];
+} __packed;
+
+#endif /* _HV_HVGDK_EXT_H */

linux-7.2.3/include/hyperv/hvhdk.h

@@ -0,0 +1,956 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Type definitions for the Microsoft hypervisor.
+ */
+#ifndef _HV_HVHDK_H
+#define _HV_HVHDK_H
+
+#include <linux/build_bug.h>
+
+#include "hvhdk_mini.h"
+#include "hvgdk.h"
+
+/*
+ * Hypervisor statistics page format
+ */
+struct hv_stats_page {
+	u64 data[HV_HYP_PAGE_SIZE / sizeof(u64)];
+} __packed;
+
+/* Bits for dirty mask of hv_vp_register_page */
+#define HV_X64_REGISTER_CLASS_GENERAL	0
+#define HV_X64_REGISTER_CLASS_IP	1
+#define HV_X64_REGISTER_CLASS_XMM	2
+#define HV_X64_REGISTER_CLASS_SEGMENT	3
+#define HV_X64_REGISTER_CLASS_FLAGS	4
+
+#define HV_VP_REGISTER_PAGE_VERSION_1	1u
+
+#define HV_VP_REGISTER_PAGE_MAX_VECTOR_COUNT		7
+
+union hv_vp_register_page_interrupt_vectors {
+	u64 as_uint64;
+	struct {
+		u8 vector_count;
+		u8 vector[HV_VP_REGISTER_PAGE_MAX_VECTOR_COUNT];
+	} __packed;
+};
+
+struct hv_vp_register_page {
+	u16 version;
+	u8 isvalid;
+	u8 rsvdz;
+	u32 dirty;
+
+#if IS_ENABLED(CONFIG_X86)
+
+	union {
+		struct {
+			/* General purpose registers
+			 * (HV_X64_REGISTER_CLASS_GENERAL)
+			 */
+			union {
+				struct {
+					u64 rax;
+					u64 rcx;
+					u64 rdx;
+					u64 rbx;
+					u64 rsp;
+					u64 rbp;
+					u64 rsi;
+					u64 rdi;
+					u64 r8;
+					u64 r9;
+					u64 r10;
+					u64 r11;
+					u64 r12;
+					u64 r13;
+					u64 r14;
+					u64 r15;
+				} __packed;
+
+				u64 gp_registers[16];
+			};
+			/* Instruction pointer (HV_X64_REGISTER_CLASS_IP) */
+			u64 rip;
+			/* Flags (HV_X64_REGISTER_CLASS_FLAGS) */
+			u64 rflags;
+		} __packed;
+
+		u64 registers[18];
+	};
+	u8 reserved[8];
+	/* Volatile XMM registers (HV_X64_REGISTER_CLASS_XMM) */
+	union {
+		struct {
+			struct hv_u128 xmm0;
+			struct hv_u128 xmm1;
+			struct hv_u128 xmm2;
+			struct hv_u128 xmm3;
+			struct hv_u128 xmm4;
+			struct hv_u128 xmm5;
+		} __packed;
+
+		struct hv_u128 xmm_registers[6];
+	};
+	/* Segment registers (HV_X64_REGISTER_CLASS_SEGMENT) */
+	union {
+		struct {
+			struct hv_x64_segment_register es;
+			struct hv_x64_segment_register cs;
+			struct hv_x64_segment_register ss;
+			struct hv_x64_segment_register ds;
+			struct hv_x64_segment_register fs;
+			struct hv_x64_segment_register gs;
+		} __packed;
+
+		struct hv_x64_segment_register segment_registers[6];
+	};
+	/* Misc. control registers (cannot be set via this interface) */
+	u64 cr0;
+	u64 cr3;
+	u64 cr4;
+	u64 cr8;
+	u64 efer;
+	u64 dr7;
+	union hv_x64_pending_interruption_register pending_interruption;
+	union hv_x64_interrupt_state_register interrupt_state;
+	u64 instruction_emulation_hints;
+	u64 xfem;
+
+	/*
+	 * Fields from this point are not included in the register page save chunk.
+	 * The reserved field is intended to maintain alignment for unsaved fields.
+	 */
+	u8 reserved1[0x100];
+
+	/*
+	 * Interrupts injected as part of HvCallDispatchVp.
+	 */
+	union hv_vp_register_page_interrupt_vectors interrupt_vectors;
+
+#elif IS_ENABLED(CONFIG_ARM64)
+	/* Not yet supported in ARM */
+#endif
+} __packed;
+
+#define HV_PARTITION_PROCESSOR_FEATURES_BANKS 2
+
+union hv_partition_processor_features {
+	u64 as_uint64[HV_PARTITION_PROCESSOR_FEATURES_BANKS];
+	struct {
+		u64 sse3_support : 1;
+		u64 lahf_sahf_support : 1;
+		u64 ssse3_support : 1;
+		u64 sse4_1_support : 1;
+		u64 sse4_2_support : 1;
+		u64 sse4a_support : 1;
+		u64 xop_support : 1;
+		u64 pop_cnt_support : 1;
+		u64 cmpxchg16b_support : 1;
+		u64 altmovcr8_support : 1;
+		u64 lzcnt_support : 1;
+		u64 mis_align_sse_support : 1;
+		u64 mmx_ext_support : 1;
+		u64 amd3dnow_support : 1;
+		u64 extended_amd3dnow_support : 1;
+		u64 page_1gb_support : 1;
+		u64 aes_support : 1;
+		u64 pclmulqdq_support : 1;
+		u64 pcid_support : 1;
+		u64 fma4_support : 1;
+		u64 f16c_support : 1;
+		u64 rd_rand_support : 1;
+		u64 rd_wr_fs_gs_support : 1;
+		u64 smep_support : 1;
+		u64 enhanced_fast_string_support : 1;
+		u64 bmi1_support : 1;
+		u64 bmi2_support : 1;
+		u64 hle_support_deprecated : 1;
+		u64 rtm_support_deprecated : 1;
+		u64 movbe_support : 1;
+		u64 npiep1_support : 1;
+		u64 dep_x87_fpu_save_support : 1;
+		u64 rd_seed_support : 1;
+		u64 adx_support : 1;
+		u64 intel_prefetch_support : 1;
+		u64 smap_support : 1;
+		u64 hle_support : 1;
+		u64 rtm_support : 1;
+		u64 rdtscp_support : 1;
+		u64 clflushopt_support : 1;
+		u64 clwb_support : 1;
+		u64 sha_support : 1;
+		u64 x87_pointers_saved_support : 1;
+		u64 invpcid_support : 1;
+		u64 ibrs_support : 1;
+		u64 stibp_support : 1;
+		u64 ibpb_support: 1;
+		u64 unrestricted_guest_support : 1;
+		u64 mdd_support : 1;
+		u64 fast_short_rep_mov_support : 1;
+		u64 l1dcache_flush_support : 1;
+		u64 rdcl_no_support : 1;
+		u64 ibrs_all_support : 1;
+		u64 skip_l1df_support : 1;
+		u64 ssb_no_support : 1;
+		u64 rsb_a_no_support : 1;
+		u64 virt_spec_ctrl_support : 1;
+		u64 rd_pid_support : 1;
+		u64 umip_support : 1;
+		u64 mbs_no_support : 1;
+		u64 mb_clear_support : 1;
+		u64 taa_no_support : 1;
+		u64 tsx_ctrl_support : 1;
+		/*
+		 * N.B. The final processor feature bit in bank 0 is reserved to
+		 * simplify potential downlevel backports.
+		 */
+		u64 reserved_bank0 : 1;
+
+		/* N.B. Begin bank 1 processor features. */
+		u64 acount_mcount_support : 1;
+		u64 tsc_invariant_support : 1;
+		u64 cl_zero_support : 1;
+		u64 rdpru_support : 1;
+		u64 la57_support : 1;
+		u64 mbec_support : 1;
+		u64 nested_virt_support : 1;
+		u64 psfd_support : 1;
+		u64 cet_ss_support : 1;
+		u64 cet_ibt_support : 1;
+		u64 vmx_exception_inject_support : 1;
+		u64 enqcmd_support : 1;
+		u64 umwait_tpause_support : 1;
+		u64 movdiri_support : 1;
+		u64 movdir64b_support : 1;
+		u64 cldemote_support : 1;
+		u64 serialize_support : 1;
+		u64 tsc_deadline_tmr_support : 1;
+		u64 tsc_adjust_support : 1;
+		u64 fzlrep_movsb : 1;
+		u64 fsrep_stosb : 1;
+		u64 fsrep_cmpsb : 1;
+		u64 reserved_bank1 : 42;
+	} __packed;
+};
+
+union hv_partition_processor_xsave_features {
+	struct {
+		u64 xsave_support : 1;
+		u64 xsaveopt_support : 1;
+		u64 avx_support : 1;
+		u64 reserved1 : 61;
+	} __packed;
+	u64 as_uint64;
+};
+
+struct hv_partition_creation_properties {
+	union hv_partition_processor_features disabled_processor_features;
+	union hv_partition_processor_xsave_features
+		disabled_processor_xsave_features;
+} __packed;
+
+#define HV_PARTITION_SYNTHETIC_PROCESSOR_FEATURES_BANKS 1
+
+union hv_partition_synthetic_processor_features {
+	u64 as_uint64[HV_PARTITION_SYNTHETIC_PROCESSOR_FEATURES_BANKS];
+
+	struct {
+		u64 hypervisor_present : 1;
+		/* Support for HV#1: (CPUID leaves 0x40000000 - 0x40000006)*/
+		u64 hv1 : 1;
+		u64 access_vp_run_time_reg : 1; /* HV_X64_MSR_VP_RUNTIME */
+		u64 access_partition_reference_counter : 1; /* HV_X64_MSR_TIME_REF_COUNT */
+		u64 access_synic_regs : 1; /* SINT-related registers */
+		/*
+		 * Access to HV_X64_MSR_STIMER0_CONFIG through
+		 * HV_X64_MSR_STIMER3_COUNT.
+		 */
+		u64 access_synthetic_timer_regs : 1;
+		u64 access_intr_ctrl_regs : 1; /* APIC MSRs and VP assist page*/
+		/* HV_X64_MSR_GUEST_OS_ID and HV_X64_MSR_HYPERCALL */
+		u64 access_hypercall_regs : 1;
+		u64 access_vp_index : 1;
+		u64 access_partition_reference_tsc : 1;
+		u64 access_guest_idle_reg : 1;
+		u64 access_frequency_regs : 1;
+		u64 reserved_z12 : 1;
+		u64 reserved_z13 : 1;
+		u64 reserved_z14 : 1;
+		u64 enable_extended_gva_ranges_for_flush_virtual_address_list : 1;
+		u64 reserved_z16 : 1;
+		u64 reserved_z17 : 1;
+		/* Use fast hypercall output. Corresponds to privilege. */
+		u64 fast_hypercall_output : 1;
+		u64 reserved_z19 : 1;
+		u64 start_virtual_processor : 1; /* Can start VPs */
+		u64 reserved_z21 : 1;
+		/* Synthetic timers in direct mode. */
+		u64 direct_synthetic_timers : 1;
+		u64 reserved_z23 : 1;
+		u64 extended_processor_masks : 1;
+
+		/* Enable various hypercalls */
+		u64 tb_flush_hypercalls : 1;
+		u64 synthetic_cluster_ipi : 1;
+		u64 notify_long_spin_wait : 1;
+		u64 query_numa_distance : 1;
+		u64 signal_events : 1;
+		u64 retarget_device_interrupt : 1;
+		u64 restore_time : 1;
+
+		/* EnlightenedVmcs nested enlightenment is supported. */
+		u64 enlightened_vmcs : 1;
+		u64 reserved : 31;
+	} __packed;
+};
+
+#define HV_MAKE_COMPATIBILITY_VERSION(major_, minor_)	\
+	((u32)((major_) << 8 | (minor_)))
+
+#define HV_COMPATIBILITY_21_H2		HV_MAKE_COMPATIBILITY_VERSION(0X6, 0X9)
+
+union hv_partition_isolation_properties {
+	u64 as_uint64;
+	struct {
+		u64 isolation_type: 5;
+		u64 isolation_host_type : 2;
+		u64 rsvd_z: 5;
+		u64 shared_gpa_boundary_page_number: 52;
+	} __packed;
+};
+
+/*
+ * Various isolation types supported by MSHV.
+ */
+#define HV_PARTITION_ISOLATION_TYPE_NONE            0
+#define HV_PARTITION_ISOLATION_TYPE_SNP             2
+#define HV_PARTITION_ISOLATION_TYPE_TDX             3
+
+/*
+ * Various host isolation types supported by MSHV.
+ */
+#define HV_PARTITION_ISOLATION_HOST_TYPE_NONE       0x0
+#define HV_PARTITION_ISOLATION_HOST_TYPE_HARDWARE   0x1
+#define HV_PARTITION_ISOLATION_HOST_TYPE_RESERVED   0x2
+
+/* Note: Exo partition is enabled by default */
+#define HV_PARTITION_CREATION_FLAG_SMT_ENABLED_GUEST			BIT(0)
+#define HV_PARTITION_CREATION_FLAG_NESTED_VIRTUALIZATION_CAPABLE	BIT(1)
+#define HV_PARTITION_CREATION_FLAG_GPA_SUPER_PAGES_ENABLED		BIT(4)
+#define HV_PARTITION_CREATION_FLAG_EXO_PARTITION			BIT(8)
+#define HV_PARTITION_CREATION_FLAG_LAPIC_ENABLED			BIT(13)
+#define HV_PARTITION_CREATION_FLAG_INTERCEPT_MESSAGE_PAGE_ENABLED	BIT(19)
+#define HV_PARTITION_CREATION_FLAG_X2APIC_CAPABLE			BIT(22)
+
+struct hv_input_create_partition {
+	u64 flags;
+	struct hv_proximity_domain_info proximity_domain_info;
+	u32 compatibility_version;
+	u32 padding;
+	struct hv_partition_creation_properties partition_creation_properties;
+	union hv_partition_isolation_properties isolation_properties;
+} __packed;
+
+struct hv_output_create_partition {
+	u64 partition_id;
+} __packed;
+
+struct hv_input_initialize_partition {
+	u64 partition_id;
+} __packed;
+
+struct hv_input_finalize_partition {
+	u64 partition_id;
+} __packed;
+
+struct hv_input_delete_partition {
+	u64 partition_id;
+} __packed;
+
+struct hv_input_get_partition_property {
+	u64 partition_id;
+	u32 property_code; /* enum hv_partition_property_code */
+	u32 padding;
+} __packed;
+
+struct hv_output_get_partition_property {
+	u64 property_value;
+} __packed;
+
+struct hv_input_set_partition_property {
+	u64 partition_id;
+	u32 property_code; /* enum hv_partition_property_code */
+	u32 padding;
+	u64 property_value;
+} __packed;
+
+union hv_partition_property_arg {
+	u64 as_uint64;
+	struct {
+		union {
+			u32 arg;
+			u32 vp_index;
+		};
+		u16 reserved0;
+		u8 reserved1;
+		u8 object_type;
+	} __packed;
+};
+
+struct hv_input_get_partition_property_ex {
+	u64 partition_id;
+	u32 property_code; /* enum hv_partition_property_code */
+	u32 padding;
+	union {
+		union hv_partition_property_arg arg_data;
+		u64 arg;
+	};
+} __packed;
+
+/*
+ * NOTE: Should use hv_input_set_partition_property_ex_header to compute this
+ * size, but hv_input_get_partition_property_ex is identical so it suffices
+ */
+#define HV_PARTITION_PROPERTY_EX_MAX_VAR_SIZE \
+	(HV_HYP_PAGE_SIZE - sizeof(struct hv_input_get_partition_property_ex))
+
+union hv_partition_property_ex {
+	u8 buffer[HV_PARTITION_PROPERTY_EX_MAX_VAR_SIZE];
+	struct hv_partition_property_vmm_capabilities vmm_capabilities;
+	/* More fields to be filled in when needed */
+};
+
+struct hv_output_get_partition_property_ex {
+	union hv_partition_property_ex property_value;
+} __packed;
+
+enum hv_vp_state_page_type {
+	HV_VP_STATE_PAGE_REGISTERS = 0,
+	HV_VP_STATE_PAGE_INTERCEPT_MESSAGE = 1,
+	HV_VP_STATE_PAGE_GHCB = 2,
+	HV_VP_STATE_PAGE_COUNT
+};
+
+struct hv_input_map_vp_state_page {
+	u64 partition_id;
+	u32 vp_index;
+	u16 type; /* enum hv_vp_state_page_type */
+	union hv_input_vtl input_vtl;
+	union {
+		u8 as_uint8;
+		struct {
+			u8 map_location_provided : 1;
+			u8 reserved : 7;
+		};
+	} flags;
+	u64 requested_map_location;
+} __packed;
+
+struct hv_output_map_vp_state_page {
+	u64 map_location; /* GPA page number */
+} __packed;
+
+struct hv_input_unmap_vp_state_page {
+	u64 partition_id;
+	u32 vp_index;
+	u16 type; /* enum hv_vp_state_page_type */
+	union hv_input_vtl input_vtl;
+	u8 reserved0;
+} __packed;
+
+struct hv_x64_apic_eoi_message {
+	u32 vp_index;
+	u32 interrupt_vector;
+} __packed;
+
+struct hv_opaque_intercept_message {
+	u32 vp_index;
+} __packed;
+
+enum hv_port_type {
+	HV_PORT_TYPE_MESSAGE = 1,
+	HV_PORT_TYPE_EVENT   = 2,
+	HV_PORT_TYPE_MONITOR = 3,
+	HV_PORT_TYPE_DOORBELL = 4	/* Root Partition only */
+};
+
+struct hv_port_info {
+	u32 port_type; /* enum hv_port_type */
+	u32 padding;
+	union {
+		struct {
+			u32 target_sint;
+			u32 target_vp;
+			u64 rsvdz;
+		} message_port_info;
+		struct {
+			u32 target_sint;
+			u32 target_vp;
+			u16 base_flag_number;
+			u16 flag_count;
+			u32 rsvdz;
+		} event_port_info;
+		struct {
+			u64 monitor_address;
+			u64 rsvdz;
+		} monitor_port_info;
+		struct {
+			u32 target_sint;
+			u32 target_vp;
+			u64 rsvdz;
+		} doorbell_port_info;
+	};
+} __packed;
+
+struct hv_connection_info {
+	u32 port_type;
+	u32 padding;
+	union {
+		struct {
+			u64 rsvdz;
+		} message_connection_info;
+		struct {
+			u64 rsvdz;
+		} event_connection_info;
+		struct {
+			u64 monitor_address;
+		} monitor_connection_info;
+		struct {
+			u64 gpa;
+			u64 trigger_value;
+			u64 flags;
+		} doorbell_connection_info;
+	};
+} __packed;
+
+/* Define synthetic interrupt controller flag constants. */
+#define HV_EVENT_FLAGS_COUNT		(256 * 8)
+#define HV_EVENT_FLAGS_BYTE_COUNT	(256)
+#define HV_EVENT_FLAGS32_COUNT		(256 / sizeof(u32))
+
+/* linux side we create long version of flags to use long bit ops on flags */
+#define HV_EVENT_FLAGS_UL_COUNT		(256 / sizeof(ulong))
+
+/* Define the synthetic interrupt controller event flags format. */
+union hv_synic_event_flags {
+	unsigned char flags8[HV_EVENT_FLAGS_BYTE_COUNT];
+	u32 flags32[HV_EVENT_FLAGS32_COUNT];
+	ulong flags[HV_EVENT_FLAGS_UL_COUNT];  /* linux only */
+};
+
+struct hv_synic_event_flags_page {
+	volatile union hv_synic_event_flags event_flags[HV_SYNIC_SINT_COUNT];
+};
+
+#define HV_SYNIC_EVENT_RING_MESSAGE_COUNT 63
+
+struct hv_synic_event_ring {
+	u8  signal_masked;
+	u8  ring_full;
+	u16 reserved_z;
+	u32 data[HV_SYNIC_EVENT_RING_MESSAGE_COUNT];
+} __packed;
+
+struct hv_synic_event_ring_page {
+	struct hv_synic_event_ring sint_event_ring[HV_SYNIC_SINT_COUNT];
+};
+
+/* Define SynIC control register. */
+union hv_synic_scontrol {
+	u64 as_uint64;
+	struct {
+		u64 enable : 1;
+		u64 reserved : 63;
+	} __packed;
+};
+
+/* Define the format of the SIEFP register */
+union hv_synic_siefp {
+	u64 as_uint64;
+	struct {
+		u64 siefp_enabled : 1;
+		u64 preserved : 11;
+		u64 base_siefp_gpa : 52;
+	} __packed;
+};
+
+union hv_synic_sirbp {
+	u64 as_uint64;
+	struct {
+		u64 sirbp_enabled : 1;
+		u64 preserved : 11;
+		u64 base_sirbp_gpa : 52;
+	} __packed;
+};
+
+union hv_interrupt_control {
+	u64 as_uint64;
+	struct {
+		u32 interrupt_type; /* enum hv_interrupt_type */
+#if IS_ENABLED(CONFIG_X86)
+		u32 level_triggered : 1;
+		u32 logical_dest_mode : 1;
+		u32 rsvd : 30;
+#elif IS_ENABLED(CONFIG_ARM64)
+		u32 rsvd1 : 2;
+		u32 asserted : 1;
+		u32 rsvd2 : 29;
+#endif
+	} __packed;
+};
+
+struct hv_stimer_state {
+	struct {
+		u32 undelivered_msg_pending : 1;
+		u32 reserved : 31;
+	} __packed flags;
+	u32 resvd;
+	u64 config;
+	u64 count;
+	u64 adjustment;
+	u64 undelivered_exp_time;
+} __packed;
+
+struct hv_synthetic_timers_state {
+	struct hv_stimer_state timers[HV_SYNIC_STIMER_COUNT];
+	u64 reserved[5];
+} __packed;
+
+struct hv_async_completion_message_payload {
+	u64 partition_id;
+	u32 status;
+	u32 completion_count;
+	u64 sub_status;
+} __packed;
+
+union hv_input_delete_vp {
+	u64 as_uint64[2];
+	struct {
+		u64 partition_id;
+		u32 vp_index;
+		u8 reserved[4];
+	} __packed;
+} __packed;
+
+struct hv_input_assert_virtual_interrupt {
+	u64 partition_id;
+	union hv_interrupt_control control;
+	u64 dest_addr; /* cpu's apic id */
+	u32 vector;
+	u8 target_vtl;
+	u8 rsvd_z0;
+	u16 rsvd_z1;
+} __packed;
+
+struct hv_input_create_port {
+	u64 port_partition_id;
+	union hv_port_id port_id;
+	u8 port_vtl;
+	u8 min_connection_vtl;
+	u16 padding;
+	u64 connection_partition_id;
+	struct hv_port_info port_info;
+	struct hv_proximity_domain_info proximity_domain_info;
+} __packed;
+
+union hv_input_delete_port {
+	u64 as_uint64[2];
+	struct {
+		u64 port_partition_id;
+		union hv_port_id port_id;
+		u32 reserved;
+	};
+} __packed;
+
+struct hv_input_connect_port {
+	u64 connection_partition_id;
+	union hv_connection_id connection_id;
+	u8 connection_vtl;
+	u8 rsvdz0;
+	u16 rsvdz1;
+	u64 port_partition_id;
+	union hv_port_id port_id;
+	u32 reserved2;
+	struct hv_connection_info connection_info;
+	struct hv_proximity_domain_info proximity_domain_info;
+} __packed;
+
+union hv_input_disconnect_port {
+	u64 as_uint64[2];
+	struct {
+		u64 connection_partition_id;
+		union hv_connection_id connection_id;
+		u32 is_doorbell: 1;
+		u32 reserved: 31;
+	} __packed;
+} __packed;
+
+union hv_input_notify_port_ring_empty {
+	u64 as_uint64;
+	struct {
+		u32 sint_index;
+		u32 reserved;
+	};
+} __packed;
+
+struct hv_vp_state_data_xsave {
+	u64 flags;
+	union hv_x64_xsave_xfem_register states;
+} __packed;
+
+/*
+ * For getting and setting VP state, there are two options based on the state type:
+ *
+ *     1.) Data that is accessed by PFNs in the input hypercall page. This is used
+ *         for state which may not fit into the hypercall pages.
+ *     2.) Data that is accessed directly in the input\output hypercall pages.
+ *         This is used for state that will always fit into the hypercall pages.
+ *
+ * In the future this could be dynamic based on the size if needed.
+ *
+ * Note these hypercalls have an 8-byte aligned variable header size as per the tlfs
+ */
+
+#define HV_GET_SET_VP_STATE_TYPE_PFN	BIT(31)
+
+enum hv_get_set_vp_state_type {
+	/* HvGetSetVpStateLocalInterruptControllerState - APIC/GIC state */
+	HV_GET_SET_VP_STATE_LAPIC_STATE	     = 0 | HV_GET_SET_VP_STATE_TYPE_PFN,
+	HV_GET_SET_VP_STATE_XSAVE	     = 1 | HV_GET_SET_VP_STATE_TYPE_PFN,
+	HV_GET_SET_VP_STATE_SIM_PAGE	     = 2 | HV_GET_SET_VP_STATE_TYPE_PFN,
+	HV_GET_SET_VP_STATE_SIEF_PAGE	     = 3 | HV_GET_SET_VP_STATE_TYPE_PFN,
+	HV_GET_SET_VP_STATE_SYNTHETIC_TIMERS = 4,
+};
+
+struct hv_vp_state_data {
+	u32 type;
+	u32 rsvd;
+	struct hv_vp_state_data_xsave xsave;
+} __packed;
+
+struct hv_input_get_vp_state {
+	u64 partition_id;
+	u32 vp_index;
+	u8 input_vtl;
+	u8 rsvd0;
+	u16 rsvd1;
+	struct hv_vp_state_data state_data;
+	u64 output_data_pfns[];
+} __packed;
+
+union hv_output_get_vp_state {
+	struct hv_synthetic_timers_state synthetic_timers_state;
+} __packed;
+
+union hv_input_set_vp_state_data {
+	u64 pfns;
+	u8 bytes;
+} __packed;
+
+struct hv_input_set_vp_state {
+	u64 partition_id;
+	u32 vp_index;
+	u8 input_vtl;
+	u8 rsvd0;
+	u16 rsvd1;
+	struct hv_vp_state_data state_data;
+	union hv_input_set_vp_state_data data[];
+} __packed;
+
+union hv_x64_vp_execution_state {
+	u16 as_uint16;
+	struct {
+		u16 cpl:2;
+		u16 cr0_pe:1;
+		u16 cr0_am:1;
+		u16 efer_lma:1;
+		u16 debug_active:1;
+		u16 interruption_pending:1;
+		u16 vtl:4;
+		u16 enclave_mode:1;
+		u16 interrupt_shadow:1;
+		u16 virtualization_fault_active:1;
+		u16 reserved:2;
+	} __packed;
+};
+
+struct hv_x64_intercept_message_header {
+	u32 vp_index;
+	u8 instruction_length:4;
+	u8 cr8:4; /* Only set for exo partitions */
+	u8 intercept_access_type; /* enum hv_intercept_access_type */
+	union hv_x64_vp_execution_state execution_state;
+	struct hv_x64_segment_register cs_segment;
+	u64 rip;
+	u64 rflags;
+} __packed;
+
+union hv_x64_memory_access_info {
+	u8 as_uint8;
+	struct {
+		u8 gva_valid:1;
+		u8 gva_gpa_valid:1;
+		u8 hypercall_output_pending:1;
+		u8 tlb_locked_no_overlay:1;
+		u8 reserved:4;
+	} __packed;
+};
+
+struct hv_x64_memory_intercept_message {
+	struct hv_x64_intercept_message_header header;
+	u32 cache_type; /* enum hv_cache_type */
+	u8 instruction_byte_count;
+	union hv_x64_memory_access_info memory_access_info;
+	u8 tpr_priority;
+	u8 reserved1;
+	u64 guest_virtual_address;
+	u64 guest_physical_address;
+	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; /* enum hv_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.
+ */
+enum hv_vp_dispatch_state {
+	HV_VP_DISPATCH_STATE_INVALID	= 0,
+	HV_VP_DISPATCH_STATE_BLOCKED	= 1,
+	HV_VP_DISPATCH_STATE_READY	= 2,
+};
+
+/*
+ * Dispatch event that caused the current dispatch state on return from
+ * HVCALL_DISPATCH_VP.
+ */
+enum hv_vp_dispatch_event {
+	HV_VP_DISPATCH_EVENT_INVALID	= 0x00000000,
+	HV_VP_DISPATCH_EVENT_SUSPEND	= 0x00000001,
+	HV_VP_DISPATCH_EVENT_INTERCEPT	= 0x00000002,
+};
+
+#define HV_ROOT_SCHEDULER_MAX_VPS_PER_CHILD_PARTITION   1024
+/* The maximum array size of HV_GENERIC_SET (vp_set) buffer */
+#define HV_GENERIC_SET_QWORD_COUNT(max) (((((max) - 1) >> 6) + 1) + 2)
+
+struct hv_vp_signal_bitset_scheduler_message {
+	u64 partition_id;
+	u32 overflow_count;
+	u16 vp_count;
+	u16 reserved;
+
+#define BITSET_BUFFER_SIZE \
+	HV_GENERIC_SET_QWORD_COUNT(HV_ROOT_SCHEDULER_MAX_VPS_PER_CHILD_PARTITION)
+	union {
+		struct hv_vpset bitset;
+		u64 bitset_buffer[BITSET_BUFFER_SIZE];
+	} vp_bitset;
+#undef BITSET_BUFFER_SIZE
+} __packed;
+
+static_assert(sizeof(struct hv_vp_signal_bitset_scheduler_message) <=
+	(sizeof(struct hv_message) - sizeof(struct hv_message_header)));
+
+#define HV_MESSAGE_MAX_PARTITION_VP_PAIR_COUNT \
+	(((sizeof(struct hv_message) - sizeof(struct hv_message_header)) / \
+	 (sizeof(u64 /* partition id */) + sizeof(u32 /* vp index */))) - 1)
+
+struct hv_vp_signal_pair_scheduler_message {
+	u32 overflow_count;
+	u8 vp_count;
+	u8 reserved1[3];
+
+	u64 partition_ids[HV_MESSAGE_MAX_PARTITION_VP_PAIR_COUNT];
+	u32 vp_indexes[HV_MESSAGE_MAX_PARTITION_VP_PAIR_COUNT];
+
+	u8 reserved2[4];
+} __packed;
+
+static_assert(sizeof(struct hv_vp_signal_pair_scheduler_message) ==
+	(sizeof(struct hv_message) - sizeof(struct hv_message_header)));
+
+/* Input and output structures for HVCALL_DISPATCH_VP */
+#define HV_DISPATCH_VP_FLAG_CLEAR_INTERCEPT_SUSPEND	0x1
+#define HV_DISPATCH_VP_FLAG_ENABLE_CALLER_INTERRUPTS	0x2
+#define HV_DISPATCH_VP_FLAG_SET_CALLER_SPEC_CTRL	0x4
+#define HV_DISPATCH_VP_FLAG_SKIP_VP_SPEC_FLUSH		0x8
+#define HV_DISPATCH_VP_FLAG_SKIP_CALLER_SPEC_FLUSH	0x10
+#define HV_DISPATCH_VP_FLAG_SKIP_CALLER_USER_SPEC_FLUSH	0x20
+#define HV_DISPATCH_VP_FLAG_SCAN_INTERRUPT_INJECTION	0x40
+
+struct hv_input_dispatch_vp {
+	u64 partition_id;
+	u32 vp_index;
+	u32 flags;
+	u64 time_slice; /* in 100ns */
+	u64 spec_ctrl;
+} __packed;
+
+struct hv_output_dispatch_vp {
+	u32 dispatch_state; /* enum hv_vp_dispatch_state */
+	u32 dispatch_event; /* enum hv_vp_dispatch_event */
+} __packed;
+
+struct hv_input_modify_sparse_spa_page_host_access {
+	u32 host_access : 2;
+	u32 reserved : 30;
+	u32 flags;
+	u64 partition_id;
+	u64 spa_page_list[];
+} __packed;
+
+/* hv_input_modify_sparse_spa_page_host_access flags */
+#define HV_MODIFY_SPA_PAGE_HOST_ACCESS_MAKE_EXCLUSIVE  0x1
+#define HV_MODIFY_SPA_PAGE_HOST_ACCESS_MAKE_SHARED     0x2
+#define HV_MODIFY_SPA_PAGE_HOST_ACCESS_LARGE_PAGE      0x4
+#define HV_MODIFY_SPA_PAGE_HOST_ACCESS_HUGE_PAGE       0x8
+
+#endif /* _HV_HVHDK_H */

linux-7.2.3/include/hyperv/hvhdk_mini.h

@@ -0,0 +1,551 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Type definitions for the Microsoft Hypervisor.
+ */
+#ifndef _HV_HVHDK_MINI_H
+#define _HV_HVHDK_MINI_H
+
+#include "hvgdk_mini.h"
+
+#define HV_MAX_CONTIGUOUS_ALLOCATION_PAGES	8
+
+/*
+ * Doorbell connection_info flags.
+ */
+#define HV_DOORBELL_FLAG_TRIGGER_SIZE_MASK  0x00000007
+#define HV_DOORBELL_FLAG_TRIGGER_SIZE_ANY   0x00000000
+#define HV_DOORBELL_FLAG_TRIGGER_SIZE_BYTE  0x00000001
+#define HV_DOORBELL_FLAG_TRIGGER_SIZE_WORD  0x00000002
+#define HV_DOORBELL_FLAG_TRIGGER_SIZE_DWORD 0x00000003
+#define HV_DOORBELL_FLAG_TRIGGER_SIZE_QWORD 0x00000004
+#define HV_DOORBELL_FLAG_TRIGGER_ANY_VALUE  0x80000000
+
+/* Each generic set contains 64 elements */
+#define HV_GENERIC_SET_SHIFT		(6)
+#define HV_GENERIC_SET_MASK		(63)
+
+enum hv_generic_set_format {
+	HV_GENERIC_SET_SPARSE_4K,
+	HV_GENERIC_SET_ALL,
+};
+#define HV_GENERIC_SET_FORMAT hv_generic_set_format
+
+enum hv_scheduler_type {
+	HV_SCHEDULER_TYPE_LP		= 1, /* Classic scheduler w/o SMT */
+	HV_SCHEDULER_TYPE_LP_SMT	= 2, /* Classic scheduler w/ SMT */
+	HV_SCHEDULER_TYPE_CORE_SMT	= 3, /* Core scheduler */
+	HV_SCHEDULER_TYPE_ROOT		= 4, /* Root / integrated scheduler */
+	HV_SCHEDULER_TYPE_MAX
+};
+
+/* HV_STATS_AREA_TYPE */
+enum hv_stats_area_type {
+	HV_STATS_AREA_SELF = 0,
+	HV_STATS_AREA_PARENT = 1,
+	HV_STATS_AREA_INTERNAL = 2,
+	HV_STATS_AREA_COUNT
+};
+
+enum hv_stats_object_type {
+	HV_STATS_OBJECT_HYPERVISOR		= 0x00000001,
+	HV_STATS_OBJECT_LOGICAL_PROCESSOR	= 0x00000002,
+	HV_STATS_OBJECT_PARTITION		= 0x00010001,
+	HV_STATS_OBJECT_VP			= 0x00010002
+};
+
+union hv_stats_object_identity {
+	/* hv_stats_hypervisor */
+	struct {
+		u8 reserved[15];
+		u8 stats_area_type;
+	} __packed hv;
+
+	/* hv_stats_logical_processor */
+	struct {
+		u32 lp_index;
+		u8 reserved[11];
+		u8 stats_area_type;
+	} __packed lp;
+
+	/* hv_stats_partition */
+	struct {
+		u64 partition_id;
+		u8  reserved[7];
+		u8  stats_area_type;
+	} __packed partition;
+
+	/* hv_stats_vp */
+	struct {
+		u64 partition_id;
+		u32 vp_index;
+		u16 flags;
+		u8  reserved;
+		u8  stats_area_type;
+	} __packed vp;
+};
+
+enum hv_partition_property_code {
+	/* Privilege properties */
+	HV_PARTITION_PROPERTY_PRIVILEGE_FLAGS			= 0x00010000,
+	HV_PARTITION_PROPERTY_SYNTHETIC_PROC_FEATURES		= 0x00010001,
+
+	/* Integrated scheduling properties */
+	HV_PARTITION_PROPERTY_INTEGRATED_SCHEDULER_ENABLED	= 0x00020005,
+
+	/* Resource properties */
+	HV_PARTITION_PROPERTY_GPA_PAGE_ACCESS_TRACKING		= 0x00050005,
+	HV_PARTITION_PROPERTY_UNIMPLEMENTED_MSR_ACTION		= 0x00050017,
+
+	/* Compatibility properties */
+	HV_PARTITION_PROPERTY_PROCESSOR_XSAVE_FEATURES		= 0x00060002,
+	HV_PARTITION_PROPERTY_XSAVE_STATES                      = 0x00060007,
+	HV_PARTITION_PROPERTY_MAX_XSAVE_DATA_SIZE		= 0x00060008,
+	HV_PARTITION_PROPERTY_PROCESSOR_CLOCK_FREQUENCY		= 0x00060009,
+
+	/* Extended properties with larger property values */
+	HV_PARTITION_PROPERTY_VMM_CAPABILITIES			= 0x00090007,
+};
+
+#define HV_PARTITION_VMM_CAPABILITIES_BANK_COUNT		1
+#define HV_PARTITION_VMM_CAPABILITIES_RESERVED_BITFIELD_COUNT	57
+
+struct hv_partition_property_vmm_capabilities {
+	u16 bank_count;
+	u16 reserved[3];
+	union {
+		u64 as_uint64[HV_PARTITION_VMM_CAPABILITIES_BANK_COUNT];
+		struct {
+			u64 map_gpa_preserve_adjustable: 1;
+			u64 vmm_can_provide_overlay_gpfn: 1;
+			u64 vp_affinity_property: 1;
+#if IS_ENABLED(CONFIG_ARM64)
+			u64 vmm_can_provide_gic_overlay_locations: 1;
+#else
+			u64 reservedbit3: 1;
+#endif
+			u64 assignable_synthetic_proc_features: 1;
+			u64 reservedbit5: 1;
+			u64 vmm_enable_integrated_scheduler : 1;
+			u64 reserved0: HV_PARTITION_VMM_CAPABILITIES_RESERVED_BITFIELD_COUNT;
+		} __packed;
+	};
+} __packed;
+
+enum hv_snp_status {
+	HV_SNP_STATUS_NONE = 0,
+	HV_SNP_STATUS_AVAILABLE = 1,
+	HV_SNP_STATUS_INCOMPATIBLE = 2,
+	HV_SNP_STATUS_PSP_UNAVAILABLE = 3,
+	HV_SNP_STATUS_PSP_INIT_FAILED = 4,
+	HV_SNP_STATUS_PSP_BAD_FW_VERSION = 5,
+	HV_SNP_STATUS_BAD_CONFIGURATION = 6,
+	HV_SNP_STATUS_PSP_FW_UPDATE_IN_PROGRESS = 7,
+	HV_SNP_STATUS_PSP_RB_INIT_FAILED = 8,
+	HV_SNP_STATUS_PSP_PLATFORM_STATUS_FAILED = 9,
+	HV_SNP_STATUS_PSP_INIT_LATE_FAILED = 10,
+};
+
+enum hv_system_property {
+	/* Add more values when needed */
+	HV_SYSTEM_PROPERTY_SLEEP_STATE = 3,
+	HV_SYSTEM_PROPERTY_SCHEDULER_TYPE = 15,
+	HV_DYNAMIC_PROCESSOR_FEATURE_PROPERTY = 21,
+	HV_SYSTEM_PROPERTY_CRASHDUMPAREA = 47,
+};
+
+#define HV_PFN_RANGE_PGBITS 24  /* HV_SPA_PAGE_RANGE_ADDITIONAL_PAGES_BITS */
+union hv_pfn_range {            /* HV_SPA_PAGE_RANGE */
+	u64 as_uint64;
+	struct {
+		/* 39:0: base pfn.  63:40: additional pages */
+		u64 base_pfn : 64 - HV_PFN_RANGE_PGBITS;
+		u64 add_pfns : HV_PFN_RANGE_PGBITS;
+	} __packed;
+};
+
+enum hv_sleep_state {
+	HV_SLEEP_STATE_S1 = 1,
+	HV_SLEEP_STATE_S2 = 2,
+	HV_SLEEP_STATE_S3 = 3,
+	HV_SLEEP_STATE_S4 = 4,
+	HV_SLEEP_STATE_S5 = 5,
+	/*
+	 * After hypervisor has received this, any follow up sleep
+	 * state registration requests will be rejected.
+	 */
+	HV_SLEEP_STATE_LOCK = 6
+};
+
+enum hv_dynamic_processor_feature_property {
+	/* Add more values when needed */
+	HV_X64_DYNAMIC_PROCESSOR_FEATURE_MAX_ENCRYPTED_PARTITIONS = 13,
+	HV_X64_DYNAMIC_PROCESSOR_FEATURE_SNP_STATUS = 16,
+};
+
+struct hv_input_get_system_property {
+	u32 property_id; /* enum hv_system_property */
+	u32 reserved;
+	union {
+		u64 as_uint64;
+#if IS_ENABLED(CONFIG_X86)
+		/* enum hv_dynamic_processor_feature_property */
+		u32 hv_processor_feature;
+#endif
+		/* More fields to be filled in when needed */
+	};
+} __packed;
+
+struct hv_output_get_system_property {
+	union {
+		u32 scheduler_type; /* enum hv_scheduler_type */
+#if IS_ENABLED(CONFIG_X86)
+		u64 hv_processor_feature_value;
+#endif
+		union hv_pfn_range hv_cda_info; /* CrashdumpAreaAddress */
+		u64 hv_tramp_pa;                /* CrashdumpTrampolineAddress */
+	};
+} __packed;
+
+struct hv_sleep_state_info {
+	u32 sleep_state; /* enum hv_sleep_state */
+	u8 pm1a_slp_typ;
+	u8 pm1b_slp_typ;
+} __packed;
+
+struct hv_input_set_system_property {
+	u32 property_id; /* enum hv_system_property */
+	u32 reserved;
+	union {
+		/* More fields to be filled in when needed */
+		struct hv_sleep_state_info set_sleep_state_info;
+
+		/*
+		 * Add a reserved field to ensure the union is 8-byte aligned as
+		 * existing members may not be. This is a temporary measure
+		 * until all remaining members are added.
+		 */
+		 u64 reserved0[8];
+	};
+} __packed;
+
+struct hv_input_enter_sleep_state {     /* HV_INPUT_ENTER_SLEEP_STATE */
+	u32 sleep_state;        /* enum hv_sleep_state */
+} __packed;
+
+struct hv_input_map_stats_page {
+	u32 type; /* enum hv_stats_object_type */
+	u32 padding;
+	union hv_stats_object_identity identity;
+} __packed;
+
+struct hv_input_map_stats_page2 {
+	u32 type; /* enum hv_stats_object_type */
+	u32 padding;
+	union hv_stats_object_identity identity;
+	u64 map_location;
+} __packed;
+
+struct hv_output_map_stats_page {
+	u64 map_location;
+} __packed;
+
+struct hv_input_unmap_stats_page {
+	u32 type; /* enum hv_stats_object_type */
+	u32 padding;
+	union hv_stats_object_identity identity;
+} __packed;
+
+struct hv_proximity_domain_flags {
+	u32 proximity_preferred : 1;
+	u32 reserved : 30;
+	u32 proximity_info_valid : 1;
+} __packed;
+
+struct hv_proximity_domain_info {
+	u32 domain_id;
+	struct hv_proximity_domain_flags flags;
+} __packed;
+
+/* HvDepositMemory hypercall */
+struct hv_deposit_memory {	/* HV_INPUT_DEPOSIT_MEMORY */
+	u64 partition_id;
+	u64 gpa_page_list[];
+} __packed;
+
+struct hv_input_withdraw_memory {
+	u64 partition_id;
+	struct hv_proximity_domain_info proximity_domain_info;
+} __packed;
+
+struct hv_output_withdraw_memory {
+	DECLARE_FLEX_ARRAY(u64, gpa_page_list);
+} __packed;
+
+/* HV Map GPA (Guest Physical Address) Flags */
+#define HV_MAP_GPA_PERMISSIONS_NONE	       0x0
+#define HV_MAP_GPA_READABLE		       0x1
+#define HV_MAP_GPA_WRITABLE		       0x2
+#define HV_MAP_GPA_KERNEL_EXECUTABLE	       0x4
+#define HV_MAP_GPA_USER_EXECUTABLE	       0x8
+#define HV_MAP_GPA_EXECUTABLE		       0xC
+#define HV_MAP_GPA_PERMISSIONS_MASK	       0xF
+#define HV_MAP_GPA_ADJUSTABLE		    0x8000
+#define HV_MAP_GPA_NO_ACCESS		   0x10000
+#define HV_MAP_GPA_NOT_CACHED		  0x200000
+#define HV_MAP_GPA_LARGE_PAGE		0x80000000
+
+struct hv_input_map_gpa_pages {
+	u64 target_partition_id;
+	u64 target_gpa_base;
+	u32 map_flags;
+	u32 padding;
+	u64 source_gpa_page_list[];
+} __packed;
+
+union hv_gpa_page_access_state_flags {
+	struct {
+		u64 clear_accessed : 1;
+		u64 set_accessed : 1;
+		u64 clear_dirty : 1;
+		u64 set_dirty : 1;
+		u64 reserved : 60;
+	} __packed;
+	u64 as_uint64;
+};
+
+struct hv_input_get_gpa_pages_access_state {
+	u64  partition_id;
+	union hv_gpa_page_access_state_flags flags;
+	u64 hv_gpa_page_number;
+} __packed;
+
+union hv_gpa_page_access_state {
+	struct {
+		u8 accessed : 1;
+		u8 dirty : 1;
+		u8 reserved: 6;
+	};
+	u8 as_uint8;
+} __packed;
+
+enum hv_crashdump_action {
+	HV_CRASHDUMP_NONE = 0,
+	HV_CRASHDUMP_SUSPEND_ALL_VPS,
+	HV_CRASHDUMP_PREPARE_FOR_STATE_SAVE,
+	HV_CRASHDUMP_STATE_SAVED,
+	HV_CRASHDUMP_ENTRY,
+};
+
+struct hv_partition_event_root_crashdump_input {
+	u32 crashdump_action; /* enum hv_crashdump_action */
+} __packed;
+
+struct hv_input_disable_hyp_ex {   /* HV_X64_INPUT_DISABLE_HYPERVISOR_EX */
+	u64 rip;
+	u64 arg;
+} __packed;
+
+struct hv_crashdump_area {	   /* HV_CRASHDUMP_AREA */
+	u32 version;
+	union {
+		u32 flags_as_uint32;
+		struct {
+			u32 cda_valid : 1;
+			u32 cda_unused : 31;
+		} __packed;
+	};
+	/* more unused fields */
+} __packed;
+
+union hv_partition_event_input {
+	struct hv_partition_event_root_crashdump_input crashdump_input;
+};
+
+enum hv_partition_event {
+	HV_PARTITION_EVENT_ROOT_CRASHDUMP = 2,
+	HV_PARTITION_ALL_LOGICAL_PROCESSORS_STARTED = 4,
+};
+
+struct hv_input_notify_partition_event {
+	u32 event;      /* enum hv_partition_event */
+	union hv_partition_event_input input;
+} __packed;
+
+struct hv_input_get_logical_processor_run_time {
+	u32 lp_index;
+} __packed;
+
+struct hv_output_get_logical_processor_run_time {
+	u64 global_time;
+	u64 local_run_time;
+	u64 rsvdz0;
+	u64 hypervisor_time;
+} __packed;
+
+struct hv_lp_startup_status {
+	u64 hv_status;
+	u64 substatus1;
+	u64 substatus2;
+	u64 substatus3;
+	u64 substatus4;
+	u64 substatus5;
+	u64 substatus6;
+} __packed;
+
+struct hv_input_add_logical_processor {
+	u32 lp_index;
+	u32 apic_id;
+	struct hv_proximity_domain_info proximity_domain_info;
+} __packed;
+
+struct hv_output_add_logical_processor {
+	struct hv_lp_startup_status startup_status;
+} __packed;
+
+enum {	/* HV_SUBNODE_TYPE */
+	HV_SUBNODE_ANY		= 0,
+	HV_SUBNODE_SOCKET,
+	HV_SUBNODE_CLUSTER,
+	HV_SUBNODE_L3,
+	HV_SUBNODE_COUNT,
+	HV_SUBNODE_INVALID	= -1
+};
+
+struct hv_create_vp {	/* HV_INPUT_CREATE_VP */
+	u64 partition_id;
+	u32 vp_index;
+	u8 padding[3];
+	u8 subnode_type;
+	u64 subnode_id;
+	struct hv_proximity_domain_info proximity_domain_info;
+	u64 flags;
+} __packed;
+
+/* HV_INTERRUPT_TRIGGER_MODE */
+enum hv_interrupt_trigger_mode {
+	HV_INTERRUPT_TRIGGER_MODE_EDGE	= 0,
+	HV_INTERRUPT_TRIGGER_MODE_LEVEL	= 1,
+};
+
+/* HV_DEVICE_INTERRUPT_DESCRIPTOR */
+struct hv_device_interrupt_descriptor {
+	u32 interrupt_type;
+	u32 trigger_mode;
+	u32 vector_count;
+	u32 reserved;
+	struct hv_device_interrupt_target target;
+} __packed;
+
+/* HV_INPUT_MAP_DEVICE_INTERRUPT */
+struct hv_input_map_device_interrupt {
+	u64 partition_id;
+	u64 device_id;
+	u32 flags;
+	u32 base_irt_idx;
+	struct hv_interrupt_entry logical_interrupt_entry;
+	struct hv_device_interrupt_descriptor interrupt_descriptor;
+} __packed;
+
+/* HV_OUTPUT_MAP_DEVICE_INTERRUPT */
+struct hv_output_map_device_interrupt {
+	struct hv_interrupt_entry interrupt_entry;
+	u64 ext_status_deprecated[5];
+} __packed;
+
+/* HV_INPUT_UNMAP_DEVICE_INTERRUPT */
+struct hv_input_unmap_device_interrupt {
+	u64 partition_id;
+	u64 device_id;
+	struct hv_interrupt_entry interrupt_entry;
+	u32 flags;
+} __packed;
+
+#define HV_SOURCE_SHADOW_NONE		    0x0
+#define HV_SOURCE_SHADOW_BRIDGE_BUS_RANGE   0x1
+
+struct hv_send_ipi_ex { /* HV_INPUT_SEND_SYNTHETIC_CLUSTER_IPI_EX */
+	u32 vector;
+	u32 reserved;
+	struct hv_vpset vp_set;
+} __packed;
+
+typedef u16 hv_pci_rid;		/* HV_PCI_RID */
+typedef u16 hv_pci_segment;	/* HV_PCI_SEGMENT */
+typedef u64 hv_logical_device_id;
+union hv_pci_bdf {	/* HV_PCI_BDF */
+	u16 as_uint16;
+
+	struct {
+		u8 function : 3;
+		u8 device : 5;
+		u8 bus;
+	};
+} __packed;
+
+union hv_pci_bus_range {
+	u16 as_uint16;
+
+	struct {
+		u8 subordinate_bus;
+		u8 secondary_bus;
+	};
+} __packed;
+
+enum hv_device_type {		/* HV_DEVICE_TYPE */
+	HV_DEVICE_TYPE_LOGICAL	= 0,
+	HV_DEVICE_TYPE_PCI	= 1,
+	HV_DEVICE_TYPE_IOAPIC	= 2,
+	HV_DEVICE_TYPE_ACPI	= 3,
+};
+
+union hv_device_id {		/* HV_DEVICE_ID */
+	u64 as_uint64;
+
+	struct {
+		u64 reserved0 : 62;
+		u64 device_type : 2;
+	};
+
+	/* HV_DEVICE_TYPE_LOGICAL */
+	struct {
+		u64 id : 62;
+		u64 device_type : 2;
+	} logical;
+
+	/* HV_DEVICE_TYPE_PCI */
+	struct {
+		union {
+			hv_pci_rid rid;
+			union hv_pci_bdf bdf;
+		};
+
+		hv_pci_segment segment;
+		union hv_pci_bus_range shadow_bus_range;
+
+		u16 phantom_function_bits : 2;
+		u16 source_shadow : 1;
+
+		u16 rsvdz0 : 11;
+		u16 device_type : 2;
+	} pci;
+
+	/* HV_DEVICE_TYPE_IOAPIC */
+	struct {
+		u8 ioapic_id;
+		u8 rsvdz0;
+		u16 rsvdz1;
+		u16 rsvdz2;
+
+		u16 rsvdz3 : 14;
+		u16 device_type : 2;
+	} ioapic;
+
+	/* HV_DEVICE_TYPE_ACPI */
+	struct {
+		u32 input_mapping_base;
+		u32 input_mapping_count : 30;
+		u32 device_type : 2;
+	} acpi;
+} __packed;
+
+#endif /* _HV_HVHDK_MINI_H */