| /* SPDX-License-Identifier: GPL-2.0 */ |
| |
| /* |
| * This file contains definitions from Hyper-V Hypervisor Top-Level Functional |
| * Specification (TLFS): |
| * https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs |
| */ |
| |
| #ifndef _ASM_GENERIC_HYPERV_TLFS_H |
| #define _ASM_GENERIC_HYPERV_TLFS_H |
| |
| #include <linux/types.h> |
| #include <linux/bits.h> |
| #include <linux/time64.h> |
| |
| /* |
| * While not explicitly listed in the TLFS, Hyper-V always runs with a page size |
| * of 4096. These definitions are used when communicating with Hyper-V using |
| * guest physical pages and guest physical page addresses, since the guest page |
| * size may not be 4096 on all architectures. |
| */ |
| #define HV_HYP_PAGE_SHIFT 12 |
| #define HV_HYP_PAGE_SIZE BIT(HV_HYP_PAGE_SHIFT) |
| #define HV_HYP_PAGE_MASK (~(HV_HYP_PAGE_SIZE - 1)) |
| |
| /* |
| * Hyper-V provides two categories of flags relevant to guest VMs. The |
| * "Features" category indicates specific functionality that is available |
| * to guests on this particular instance of Hyper-V. The "Features" |
| * are presented in four groups, each of which is 32 bits. The group A |
| * and B definitions are common across architectures and are listed here. |
| * However, not all flags are relevant on all architectures. |
| * |
| * Groups C and D vary across architectures and are listed in the |
| * architecture specific portion of hyperv-tlfs.h. Some of these flags exist |
| * on multiple architectures, but the bit positions are different so they |
| * cannot appear in the generic portion of hyperv-tlfs.h. |
| * |
| * The "Enlightenments" category provides recommendations on whether to use |
| * specific enlightenments that are available. The Enlighenments are a single |
| * group of 32 bits, but they vary across architectures and are listed in |
| * the architecture specific portion of hyperv-tlfs.h. |
| */ |
| |
| /* |
| * Group A Features. |
| */ |
| |
| /* VP Runtime register available */ |
| #define HV_MSR_VP_RUNTIME_AVAILABLE BIT(0) |
| /* Partition Reference Counter available*/ |
| #define HV_MSR_TIME_REF_COUNT_AVAILABLE BIT(1) |
| /* Basic SynIC register available */ |
| #define HV_MSR_SYNIC_AVAILABLE BIT(2) |
| /* Synthetic Timer registers available */ |
| #define HV_MSR_SYNTIMER_AVAILABLE BIT(3) |
| /* Virtual APIC assist and VP assist page registers available */ |
| #define HV_MSR_APIC_ACCESS_AVAILABLE BIT(4) |
| /* Hypercall and Guest OS ID registers available*/ |
| #define HV_MSR_HYPERCALL_AVAILABLE BIT(5) |
| /* Access virtual processor index register available*/ |
| #define HV_MSR_VP_INDEX_AVAILABLE BIT(6) |
| /* Virtual system reset register available*/ |
| #define HV_MSR_RESET_AVAILABLE BIT(7) |
| /* Access statistics page registers available */ |
| #define HV_MSR_STAT_PAGES_AVAILABLE BIT(8) |
| /* Partition reference TSC register is available */ |
| #define HV_MSR_REFERENCE_TSC_AVAILABLE BIT(9) |
| /* Partition Guest IDLE register is available */ |
| #define HV_MSR_GUEST_IDLE_AVAILABLE BIT(10) |
| /* Partition local APIC and TSC frequency registers available */ |
| #define HV_ACCESS_FREQUENCY_MSRS BIT(11) |
| /* AccessReenlightenmentControls privilege */ |
| #define HV_ACCESS_REENLIGHTENMENT BIT(13) |
| /* AccessTscInvariantControls privilege */ |
| #define HV_ACCESS_TSC_INVARIANT BIT(15) |
| |
| /* |
| * Group B features. |
| */ |
| #define HV_CREATE_PARTITIONS BIT(0) |
| #define HV_ACCESS_PARTITION_ID BIT(1) |
| #define HV_ACCESS_MEMORY_POOL BIT(2) |
| #define HV_ADJUST_MESSAGE_BUFFERS BIT(3) |
| #define HV_POST_MESSAGES BIT(4) |
| #define HV_SIGNAL_EVENTS BIT(5) |
| #define HV_CREATE_PORT BIT(6) |
| #define HV_CONNECT_PORT BIT(7) |
| #define HV_ACCESS_STATS BIT(8) |
| #define HV_DEBUGGING BIT(11) |
| #define HV_CPU_MANAGEMENT BIT(12) |
| #define HV_ENABLE_EXTENDED_HYPERCALLS BIT(20) |
| #define HV_ISOLATION BIT(22) |
| |
| /* |
| * TSC page layout. |
| */ |
| struct ms_hyperv_tsc_page { |
| volatile u32 tsc_sequence; |
| u32 reserved1; |
| volatile u64 tsc_scale; |
| volatile s64 tsc_offset; |
| } __packed; |
| |
| /* |
| * 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 specification: |
| * |
| * msdn.microsoft.com/en-us/library/windows/hardware/ff542653%28v=vs.85%29.aspx |
| * |
| * 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 |
| |
| /* |
| * Crash notification flags. |
| */ |
| #define HV_CRASH_CTL_CRASH_NOTIFY_MSG BIT_ULL(62) |
| #define HV_CRASH_CTL_CRASH_NOTIFY BIT_ULL(63) |
| |
| /* Declare the various hypercall operations. */ |
| #define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE 0x0002 |
| #define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST 0x0003 |
| #define HVCALL_NOTIFY_LONG_SPIN_WAIT 0x0008 |
| #define HVCALL_SEND_IPI 0x000b |
| #define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013 |
| #define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014 |
| #define HVCALL_SEND_IPI_EX 0x0015 |
| #define HVCALL_GET_PARTITION_ID 0x0046 |
| #define HVCALL_DEPOSIT_MEMORY 0x0048 |
| #define HVCALL_CREATE_VP 0x004e |
| #define HVCALL_GET_VP_REGISTERS 0x0050 |
| #define HVCALL_SET_VP_REGISTERS 0x0051 |
| #define HVCALL_POST_MESSAGE 0x005c |
| #define HVCALL_SIGNAL_EVENT 0x005d |
| #define HVCALL_POST_DEBUG_DATA 0x0069 |
| #define HVCALL_RETRIEVE_DEBUG_DATA 0x006a |
| #define HVCALL_RESET_DEBUG_SESSION 0x006b |
| #define HVCALL_ADD_LOGICAL_PROCESSOR 0x0076 |
| #define HVCALL_MAP_DEVICE_INTERRUPT 0x007c |
| #define HVCALL_UNMAP_DEVICE_INTERRUPT 0x007d |
| #define HVCALL_RETARGET_INTERRUPT 0x007e |
| #define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE 0x00af |
| #define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_LIST 0x00b0 |
| #define HVCALL_MODIFY_SPARSE_GPA_PAGE_HOST_VISIBILITY 0x00db |
| |
| /* Extended hypercalls */ |
| #define HV_EXT_CALL_QUERY_CAPABILITIES 0x8001 |
| #define HV_EXT_CALL_MEMORY_HEAT_HINT 0x8003 |
| |
| #define HV_FLUSH_ALL_PROCESSORS BIT(0) |
| #define HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES BIT(1) |
| #define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY BIT(2) |
| #define HV_FLUSH_USE_EXTENDED_RANGE_FORMAT BIT(3) |
| |
| /* Extended capability bits */ |
| #define HV_EXT_CAPABILITY_MEMORY_COLD_DISCARD_HINT BIT(8) |
| |
| enum HV_GENERIC_SET_FORMAT { |
| HV_GENERIC_SET_SPARSE_4K, |
| HV_GENERIC_SET_ALL, |
| }; |
| |
| #define HV_PARTITION_ID_SELF ((u64)-1) |
| #define HV_VP_INDEX_SELF ((u32)-2) |
| |
| #define HV_HYPERCALL_RESULT_MASK GENMASK_ULL(15, 0) |
| #define HV_HYPERCALL_FAST_BIT BIT(16) |
| #define HV_HYPERCALL_VARHEAD_OFFSET 17 |
| #define HV_HYPERCALL_REP_COMP_OFFSET 32 |
| #define HV_HYPERCALL_REP_COMP_1 BIT_ULL(32) |
| #define HV_HYPERCALL_REP_COMP_MASK GENMASK_ULL(43, 32) |
| #define HV_HYPERCALL_REP_START_OFFSET 48 |
| #define HV_HYPERCALL_REP_START_MASK GENMASK_ULL(59, 48) |
| |
| /* hypercall status code */ |
| #define HV_STATUS_SUCCESS 0 |
| #define HV_STATUS_INVALID_HYPERCALL_CODE 2 |
| #define HV_STATUS_INVALID_HYPERCALL_INPUT 3 |
| #define HV_STATUS_INVALID_ALIGNMENT 4 |
| #define HV_STATUS_INVALID_PARAMETER 5 |
| #define HV_STATUS_ACCESS_DENIED 6 |
| #define HV_STATUS_OPERATION_DENIED 8 |
| #define HV_STATUS_INSUFFICIENT_MEMORY 11 |
| #define HV_STATUS_INVALID_PORT_ID 17 |
| #define HV_STATUS_INVALID_CONNECTION_ID 18 |
| #define HV_STATUS_INSUFFICIENT_BUFFERS 19 |
| |
| /* |
| * The Hyper-V TimeRefCount register and the TSC |
| * page provide a guest VM clock with 100ns tick rate |
| */ |
| #define HV_CLOCK_HZ (NSEC_PER_SEC/100) |
| |
| /* Define the number of synthetic interrupt sources. */ |
| #define HV_SYNIC_SINT_COUNT (16) |
| /* Define the expected SynIC version. */ |
| #define HV_SYNIC_VERSION_1 (0x1) |
| /* Valid SynIC vectors are 16-255. */ |
| #define HV_SYNIC_FIRST_VALID_VECTOR (16) |
| |
| #define HV_SYNIC_CONTROL_ENABLE (1ULL << 0) |
| #define HV_SYNIC_SIMP_ENABLE (1ULL << 0) |
| #define HV_SYNIC_SIEFP_ENABLE (1ULL << 0) |
| #define HV_SYNIC_SINT_MASKED (1ULL << 16) |
| #define HV_SYNIC_SINT_AUTO_EOI (1ULL << 17) |
| #define HV_SYNIC_SINT_VECTOR_MASK (0xFF) |
| |
| #define HV_SYNIC_STIMER_COUNT (4) |
| |
| /* Define synthetic interrupt controller message constants. */ |
| #define HV_MESSAGE_SIZE (256) |
| #define HV_MESSAGE_PAYLOAD_BYTE_COUNT (240) |
| #define HV_MESSAGE_PAYLOAD_QWORD_COUNT (30) |
| |
| /* |
| * Define hypervisor message types. Some of the message types |
| * are x86/x64 specific, but there's no good way to separate |
| * them out into the arch-specific version of hyperv-tlfs.h |
| * because C doesn't provide a way to extend enum types. |
| * Keeping them all in the arch neutral hyperv-tlfs.h seems |
| * the least messy compromise. |
| */ |
| enum hv_message_type { |
| HVMSG_NONE = 0x00000000, |
| |
| /* Memory access messages. */ |
| HVMSG_UNMAPPED_GPA = 0x80000000, |
| HVMSG_GPA_INTERCEPT = 0x80000001, |
| |
| /* Timer notification messages. */ |
| HVMSG_TIMER_EXPIRED = 0x80000010, |
| |
| /* Error messages. */ |
| HVMSG_INVALID_VP_REGISTER_VALUE = 0x80000020, |
| HVMSG_UNRECOVERABLE_EXCEPTION = 0x80000021, |
| HVMSG_UNSUPPORTED_FEATURE = 0x80000022, |
| |
| /* Trace buffer complete messages. */ |
| HVMSG_EVENTLOG_BUFFERCOMPLETE = 0x80000040, |
| |
| /* Platform-specific processor intercept messages. */ |
| HVMSG_X64_IOPORT_INTERCEPT = 0x80010000, |
| HVMSG_X64_MSR_INTERCEPT = 0x80010001, |
| HVMSG_X64_CPUID_INTERCEPT = 0x80010002, |
| HVMSG_X64_EXCEPTION_INTERCEPT = 0x80010003, |
| HVMSG_X64_APIC_EOI = 0x80010004, |
| HVMSG_X64_LEGACY_FP_ERROR = 0x80010005 |
| }; |
| |
| /* Define synthetic interrupt controller message flags. */ |
| union hv_message_flags { |
| __u8 asu8; |
| struct { |
| __u8 msg_pending:1; |
| __u8 reserved:7; |
| } __packed; |
| }; |
| |
| /* Define port identifier type. */ |
| union hv_port_id { |
| __u32 asu32; |
| struct { |
| __u32 id:24; |
| __u32 reserved:8; |
| } __packed u; |
| }; |
| |
| /* Define synthetic interrupt controller message header. */ |
| struct hv_message_header { |
| __u32 message_type; |
| __u8 payload_size; |
| union hv_message_flags message_flags; |
| __u8 reserved[2]; |
| union { |
| __u64 sender; |
| union hv_port_id port; |
| }; |
| } __packed; |
| |
| /* Define synthetic interrupt controller message format. */ |
| struct hv_message { |
| struct hv_message_header header; |
| union { |
| __u64 payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT]; |
| } u; |
| } __packed; |
| |
| /* Define the synthetic interrupt message page layout. */ |
| struct hv_message_page { |
| struct hv_message sint_message[HV_SYNIC_SINT_COUNT]; |
| } __packed; |
| |
| /* Define timer message payload structure. */ |
| struct hv_timer_message_payload { |
| __u32 timer_index; |
| __u32 reserved; |
| __u64 expiration_time; /* When the timer expired */ |
| __u64 delivery_time; /* When the message was delivered */ |
| } __packed; |
| |
| |
| /* Define synthetic interrupt controller flag constants. */ |
| #define HV_EVENT_FLAGS_COUNT (256 * 8) |
| #define HV_EVENT_FLAGS_LONG_COUNT (256 / sizeof(unsigned long)) |
| |
| /* |
| * Synthetic timer configuration. |
| */ |
| union hv_stimer_config { |
| u64 as_uint64; |
| struct { |
| u64 enable:1; |
| u64 periodic:1; |
| u64 lazy:1; |
| u64 auto_enable:1; |
| u64 apic_vector:8; |
| u64 direct_mode:1; |
| u64 reserved_z0:3; |
| u64 sintx:4; |
| u64 reserved_z1:44; |
| } __packed; |
| }; |
| |
| |
| /* Define the synthetic interrupt controller event flags format. */ |
| union hv_synic_event_flags { |
| unsigned long flags[HV_EVENT_FLAGS_LONG_COUNT]; |
| }; |
| |
| /* Define SynIC control register. */ |
| union hv_synic_scontrol { |
| u64 as_uint64; |
| struct { |
| u64 enable:1; |
| u64 reserved:63; |
| } __packed; |
| }; |
| |
| /* Define synthetic interrupt source. */ |
| union hv_synic_sint { |
| u64 as_uint64; |
| struct { |
| u64 vector:8; |
| u64 reserved1:8; |
| u64 masked:1; |
| u64 auto_eoi:1; |
| u64 polling:1; |
| u64 reserved2:45; |
| } __packed; |
| }; |
| |
| /* Define the format of the SIMP register */ |
| union hv_synic_simp { |
| u64 as_uint64; |
| struct { |
| u64 simp_enabled:1; |
| u64 preserved:11; |
| u64 base_simp_gpa:52; |
| } __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; |
| }; |
| |
| struct hv_vpset { |
| u64 format; |
| u64 valid_bank_mask; |
| u64 bank_contents[]; |
| } __packed; |
| |
| /* HvCallSendSyntheticClusterIpi hypercall */ |
| struct hv_send_ipi { |
| u32 vector; |
| u32 reserved; |
| u64 cpu_mask; |
| } __packed; |
| |
| /* HvCallSendSyntheticClusterIpiEx hypercall */ |
| struct hv_send_ipi_ex { |
| u32 vector; |
| u32 reserved; |
| struct hv_vpset vp_set; |
| } __packed; |
| |
| /* HvFlushGuestPhysicalAddressSpace hypercalls */ |
| struct hv_guest_mapping_flush { |
| u64 address_space; |
| u64 flags; |
| } __packed; |
| |
| /* |
| * HV_MAX_FLUSH_PAGES = "additional_pages" + 1. It's limited |
| * by the bitwidth of "additional_pages" in union hv_gpa_page_range. |
| */ |
| #define HV_MAX_FLUSH_PAGES (2048) |
| #define HV_GPA_PAGE_RANGE_PAGE_SIZE_2MB 0 |
| #define HV_GPA_PAGE_RANGE_PAGE_SIZE_1GB 1 |
| |
| /* HvFlushGuestPhysicalAddressList, HvExtCallMemoryHeatHint hypercall */ |
| union hv_gpa_page_range { |
| u64 address_space; |
| struct { |
| u64 additional_pages:11; |
| u64 largepage:1; |
| u64 basepfn:52; |
| } page; |
| struct { |
| u64 reserved:12; |
| u64 page_size:1; |
| u64 reserved1:8; |
| u64 base_large_pfn:43; |
| }; |
| }; |
| |
| /* |
| * All input flush parameters should be in single page. The max flush |
| * count is equal with how many entries of union hv_gpa_page_range can |
| * be populated into the input parameter page. |
| */ |
| #define HV_MAX_FLUSH_REP_COUNT ((HV_HYP_PAGE_SIZE - 2 * sizeof(u64)) / \ |
| sizeof(union hv_gpa_page_range)) |
| |
| struct hv_guest_mapping_flush_list { |
| u64 address_space; |
| u64 flags; |
| union hv_gpa_page_range gpa_list[HV_MAX_FLUSH_REP_COUNT]; |
| }; |
| |
| /* HvFlushVirtualAddressSpace, HvFlushVirtualAddressList hypercalls */ |
| struct hv_tlb_flush { |
| u64 address_space; |
| u64 flags; |
| u64 processor_mask; |
| u64 gva_list[]; |
| } __packed; |
| |
| /* HvFlushVirtualAddressSpaceEx, HvFlushVirtualAddressListEx hypercalls */ |
| struct hv_tlb_flush_ex { |
| u64 address_space; |
| u64 flags; |
| struct hv_vpset hv_vp_set; |
| u64 gva_list[]; |
| } __packed; |
| |
| /* HvGetPartitionId hypercall (output only) */ |
| struct hv_get_partition_id { |
| u64 partition_id; |
| } __packed; |
| |
| /* HvDepositMemory hypercall */ |
| struct hv_deposit_memory { |
| u64 partition_id; |
| u64 gpa_page_list[]; |
| } __packed; |
| |
| struct hv_proximity_domain_flags { |
| u32 proximity_preferred : 1; |
| u32 reserved : 30; |
| u32 proximity_info_valid : 1; |
| } __packed; |
| |
| /* Not a union in windows but useful for zeroing */ |
| union hv_proximity_domain_info { |
| struct { |
| u32 domain_id; |
| struct hv_proximity_domain_flags flags; |
| }; |
| u64 as_uint64; |
| } __packed; |
| |
| struct hv_lp_startup_status { |
| u64 hv_status; |
| u64 substatus1; |
| u64 substatus2; |
| u64 substatus3; |
| u64 substatus4; |
| u64 substatus5; |
| u64 substatus6; |
| } __packed; |
| |
| /* HvAddLogicalProcessor hypercall */ |
| struct hv_add_logical_processor_in { |
| u32 lp_index; |
| u32 apic_id; |
| union hv_proximity_domain_info proximity_domain_info; |
| u64 flags; |
| } __packed; |
| |
| struct hv_add_logical_processor_out { |
| struct hv_lp_startup_status startup_status; |
| } __packed; |
| |
| enum HV_SUBNODE_TYPE |
| { |
| HvSubnodeAny = 0, |
| HvSubnodeSocket = 1, |
| HvSubnodeAmdNode = 2, |
| HvSubnodeL3 = 3, |
| HvSubnodeCount = 4, |
| HvSubnodeInvalid = -1 |
| }; |
| |
| /* HvCreateVp hypercall */ |
| struct hv_create_vp { |
| u64 partition_id; |
| u32 vp_index; |
| u8 padding[3]; |
| u8 subnode_type; |
| u64 subnode_id; |
| union hv_proximity_domain_info proximity_domain_info; |
| u64 flags; |
| } __packed; |
| |
| enum hv_interrupt_source { |
| HV_INTERRUPT_SOURCE_MSI = 1, /* MSI and MSI-X */ |
| HV_INTERRUPT_SOURCE_IOAPIC, |
| }; |
| |
| union hv_ioapic_rte { |
| u64 as_uint64; |
| |
| struct { |
| u32 vector:8; |
| u32 delivery_mode:3; |
| u32 destination_mode:1; |
| u32 delivery_status:1; |
| u32 interrupt_polarity:1; |
| u32 remote_irr:1; |
| u32 trigger_mode:1; |
| u32 interrupt_mask:1; |
| u32 reserved1:15; |
| |
| u32 reserved2:24; |
| u32 destination_id:8; |
| }; |
| |
| struct { |
| u32 low_uint32; |
| u32 high_uint32; |
| }; |
| } __packed; |
| |
| struct hv_interrupt_entry { |
| u32 source; |
| u32 reserved1; |
| union { |
| union hv_msi_entry msi_entry; |
| union hv_ioapic_rte ioapic_rte; |
| }; |
| } __packed; |
| |
| /* |
| * flags for hv_device_interrupt_target.flags |
| */ |
| #define HV_DEVICE_INTERRUPT_TARGET_MULTICAST 1 |
| #define HV_DEVICE_INTERRUPT_TARGET_PROCESSOR_SET 2 |
| |
| struct hv_device_interrupt_target { |
| u32 vector; |
| u32 flags; |
| union { |
| u64 vp_mask; |
| struct hv_vpset vp_set; |
| }; |
| } __packed; |
| |
| struct hv_retarget_device_interrupt { |
| u64 partition_id; /* use "self" */ |
| u64 device_id; |
| struct hv_interrupt_entry int_entry; |
| u64 reserved2; |
| struct hv_device_interrupt_target int_target; |
| } __packed __aligned(8); |
| |
| |
| /* HvGetVpRegisters hypercall input with variable size reg name list*/ |
| struct hv_get_vp_registers_input { |
| struct { |
| u64 partitionid; |
| u32 vpindex; |
| u8 inputvtl; |
| u8 padding[3]; |
| } header; |
| struct input { |
| u32 name0; |
| u32 name1; |
| } element[]; |
| } __packed; |
| |
| |
| /* HvGetVpRegisters returns an array of these output elements */ |
| struct hv_get_vp_registers_output { |
| union { |
| struct { |
| u32 a; |
| u32 b; |
| u32 c; |
| u32 d; |
| } as32 __packed; |
| struct { |
| u64 low; |
| u64 high; |
| } as64 __packed; |
| }; |
| }; |
| |
| /* HvSetVpRegisters hypercall with variable size reg name/value list*/ |
| struct hv_set_vp_registers_input { |
| struct { |
| u64 partitionid; |
| u32 vpindex; |
| u8 inputvtl; |
| u8 padding[3]; |
| } header; |
| struct { |
| u32 name; |
| u32 padding1; |
| u64 padding2; |
| u64 valuelow; |
| u64 valuehigh; |
| } element[]; |
| } __packed; |
| |
| enum hv_device_type { |
| HV_DEVICE_TYPE_LOGICAL = 0, |
| HV_DEVICE_TYPE_PCI = 1, |
| HV_DEVICE_TYPE_IOAPIC = 2, |
| HV_DEVICE_TYPE_ACPI = 3, |
| }; |
| |
| typedef u16 hv_pci_rid; |
| typedef u16 hv_pci_segment; |
| typedef u64 hv_logical_device_id; |
| union 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; |
| |
| union 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; |
| |
| enum hv_interrupt_trigger_mode { |
| HV_INTERRUPT_TRIGGER_MODE_EDGE = 0, |
| HV_INTERRUPT_TRIGGER_MODE_LEVEL = 1, |
| }; |
| |
| struct hv_device_interrupt_descriptor { |
| u32 interrupt_type; |
| u32 trigger_mode; |
| u32 vector_count; |
| u32 reserved; |
| struct hv_device_interrupt_target target; |
| } __packed; |
| |
| struct hv_input_map_device_interrupt { |
| u64 partition_id; |
| u64 device_id; |
| u64 flags; |
| struct hv_interrupt_entry logical_interrupt_entry; |
| struct hv_device_interrupt_descriptor interrupt_descriptor; |
| } __packed; |
| |
| struct hv_output_map_device_interrupt { |
| struct hv_interrupt_entry interrupt_entry; |
| } __packed; |
| |
| struct hv_input_unmap_device_interrupt { |
| u64 partition_id; |
| u64 device_id; |
| struct hv_interrupt_entry interrupt_entry; |
| } __packed; |
| |
| #define HV_SOURCE_SHADOW_NONE 0x0 |
| #define HV_SOURCE_SHADOW_BRIDGE_BUS_RANGE 0x1 |
| |
| /* |
| * 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 { |
| u64 type:2; |
| u64 reserved:62; |
| union hv_gpa_page_range ranges[]; |
| } __packed; |
| |
| #endif |