| /* 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. |
| * |
| * While the current guideline does not specify how Linux guest ID(s) |
| * need to be generated, our plan is to publish the guidelines for |
| * Linux and other guest operating systems that currently are hosted |
| * on Hyper-V. The implementation here conforms to this yet |
| * unpublished guidelines. |
| * |
| * Bit(s) |
| * 63 - Indicates if the OS is Open Source or not; 1 is Open Source |
| * 62:56 - Os Type; Linux is 0x100 |
| * 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 0xf0000000 |
| #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 */ |
