/* 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 */