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/* 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" /* 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 struct hv_vp_register_page { u16 version; u8 isvalid; u8 rsvdz; u32 dirty; 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]; }; /* 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; } __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_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; enum hv_vp_state_page_type { HV_VP_STATE_PAGE_REGISTERS = 0, HV_VP_STATE_PAGE_INTERCEPT_MESSAGE = 1, HV_VP_STATE_PAGE_COUNT }; struct hv_input_map_vp_state_page { u64 partition_id; u32 vp_index; u32 type; /* enum hv_vp_state_page_type */ } __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; u32 type; /* enum hv_vp_state_page_type */ } __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 */ u32 level_triggered : 1; u32 logical_dest_mode : 1; u32 rsvd : 30; } __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; 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; /* * 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 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; #endif /* _HV_HVHDK_H */