xref: /linux/arch/x86/include/asm/hyperv-tlfs.h (revision 79790b6818e96c58fe2bffee1b418c16e64e7b80)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 /*
4  * This file contains definitions from Hyper-V Hypervisor Top-Level Functional
5  * Specification (TLFS):
6  * https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs
7  */
8 
9 #ifndef _ASM_X86_HYPERV_TLFS_H
10 #define _ASM_X86_HYPERV_TLFS_H
11 
12 #include <linux/types.h>
13 #include <asm/page.h>
14 /*
15  * The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent
16  * is set by CPUID(HvCpuIdFunctionVersionAndFeatures).
17  */
18 #define HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS	0x40000000
19 #define HYPERV_CPUID_INTERFACE			0x40000001
20 #define HYPERV_CPUID_VERSION			0x40000002
21 #define HYPERV_CPUID_FEATURES			0x40000003
22 #define HYPERV_CPUID_ENLIGHTMENT_INFO		0x40000004
23 #define HYPERV_CPUID_IMPLEMENT_LIMITS		0x40000005
24 #define HYPERV_CPUID_CPU_MANAGEMENT_FEATURES	0x40000007
25 #define HYPERV_CPUID_NESTED_FEATURES		0x4000000A
26 #define HYPERV_CPUID_ISOLATION_CONFIG		0x4000000C
27 
28 #define HYPERV_CPUID_VIRT_STACK_INTERFACE	0x40000081
29 #define HYPERV_VS_INTERFACE_EAX_SIGNATURE	0x31235356  /* "VS#1" */
30 
31 #define HYPERV_CPUID_VIRT_STACK_PROPERTIES	0x40000082
32 /* Support for the extended IOAPIC RTE format */
33 #define HYPERV_VS_PROPERTIES_EAX_EXTENDED_IOAPIC_RTE	BIT(2)
34 
35 #define HYPERV_HYPERVISOR_PRESENT_BIT		0x80000000
36 #define HYPERV_CPUID_MIN			0x40000005
37 #define HYPERV_CPUID_MAX			0x4000ffff
38 
39 /*
40  * Group D Features.  The bit assignments are custom to each architecture.
41  * On x86/x64 these are HYPERV_CPUID_FEATURES.EDX bits.
42  */
43 /* The MWAIT instruction is available (per section MONITOR / MWAIT) */
44 #define HV_X64_MWAIT_AVAILABLE				BIT(0)
45 /* Guest debugging support is available */
46 #define HV_X64_GUEST_DEBUGGING_AVAILABLE		BIT(1)
47 /* Performance Monitor support is available*/
48 #define HV_X64_PERF_MONITOR_AVAILABLE			BIT(2)
49 /* Support for physical CPU dynamic partitioning events is available*/
50 #define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE	BIT(3)
51 /*
52  * Support for passing hypercall input parameter block via XMM
53  * registers is available
54  */
55 #define HV_X64_HYPERCALL_XMM_INPUT_AVAILABLE		BIT(4)
56 /* Support for a virtual guest idle state is available */
57 #define HV_X64_GUEST_IDLE_STATE_AVAILABLE		BIT(5)
58 /* Frequency MSRs available */
59 #define HV_FEATURE_FREQUENCY_MSRS_AVAILABLE		BIT(8)
60 /* Crash MSR available */
61 #define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE		BIT(10)
62 /* Support for debug MSRs available */
63 #define HV_FEATURE_DEBUG_MSRS_AVAILABLE			BIT(11)
64 /* Support for extended gva ranges for flush hypercalls available */
65 #define HV_FEATURE_EXT_GVA_RANGES_FLUSH			BIT(14)
66 /*
67  * Support for returning hypercall output block via XMM
68  * registers is available
69  */
70 #define HV_X64_HYPERCALL_XMM_OUTPUT_AVAILABLE		BIT(15)
71 /* stimer Direct Mode is available */
72 #define HV_STIMER_DIRECT_MODE_AVAILABLE			BIT(19)
73 
74 /*
75  * Implementation recommendations. Indicates which behaviors the hypervisor
76  * recommends the OS implement for optimal performance.
77  * These are HYPERV_CPUID_ENLIGHTMENT_INFO.EAX bits.
78  */
79 /*
80  * Recommend using hypercall for address space switches rather
81  * than MOV to CR3 instruction
82  */
83 #define HV_X64_AS_SWITCH_RECOMMENDED			BIT(0)
84 /* Recommend using hypercall for local TLB flushes rather
85  * than INVLPG or MOV to CR3 instructions */
86 #define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED		BIT(1)
87 /*
88  * Recommend using hypercall for remote TLB flushes rather
89  * than inter-processor interrupts
90  */
91 #define HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED		BIT(2)
92 /*
93  * Recommend using MSRs for accessing APIC registers
94  * EOI, ICR and TPR rather than their memory-mapped counterparts
95  */
96 #define HV_X64_APIC_ACCESS_RECOMMENDED			BIT(3)
97 /* Recommend using the hypervisor-provided MSR to initiate a system RESET */
98 #define HV_X64_SYSTEM_RESET_RECOMMENDED			BIT(4)
99 /*
100  * Recommend using relaxed timing for this partition. If used,
101  * the VM should disable any watchdog timeouts that rely on the
102  * timely delivery of external interrupts
103  */
104 #define HV_X64_RELAXED_TIMING_RECOMMENDED		BIT(5)
105 
106 /*
107  * Recommend not using Auto End-Of-Interrupt feature
108  */
109 #define HV_DEPRECATING_AEOI_RECOMMENDED			BIT(9)
110 
111 /*
112  * Recommend using cluster IPI hypercalls.
113  */
114 #define HV_X64_CLUSTER_IPI_RECOMMENDED			BIT(10)
115 
116 /* Recommend using the newer ExProcessorMasks interface */
117 #define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED		BIT(11)
118 
119 /* Indicates that the hypervisor is nested within a Hyper-V partition. */
120 #define HV_X64_HYPERV_NESTED				BIT(12)
121 
122 /* Recommend using enlightened VMCS */
123 #define HV_X64_ENLIGHTENED_VMCS_RECOMMENDED		BIT(14)
124 
125 /* Use hypercalls for MMIO config space access */
126 #define HV_X64_USE_MMIO_HYPERCALLS			BIT(21)
127 
128 /*
129  * CPU management features identification.
130  * These are HYPERV_CPUID_CPU_MANAGEMENT_FEATURES.EAX bits.
131  */
132 #define HV_X64_START_LOGICAL_PROCESSOR			BIT(0)
133 #define HV_X64_CREATE_ROOT_VIRTUAL_PROCESSOR		BIT(1)
134 #define HV_X64_PERFORMANCE_COUNTER_SYNC			BIT(2)
135 #define HV_X64_RESERVED_IDENTITY_BIT			BIT(31)
136 
137 /*
138  * Virtual processor will never share a physical core with another virtual
139  * processor, except for virtual processors that are reported as sibling SMT
140  * threads.
141  */
142 #define HV_X64_NO_NONARCH_CORESHARING			BIT(18)
143 
144 /* Nested features. These are HYPERV_CPUID_NESTED_FEATURES.EAX bits. */
145 #define HV_X64_NESTED_DIRECT_FLUSH			BIT(17)
146 #define HV_X64_NESTED_GUEST_MAPPING_FLUSH		BIT(18)
147 #define HV_X64_NESTED_MSR_BITMAP			BIT(19)
148 
149 /* Nested features #2. These are HYPERV_CPUID_NESTED_FEATURES.EBX bits. */
150 #define HV_X64_NESTED_EVMCS1_PERF_GLOBAL_CTRL		BIT(0)
151 
152 /*
153  * This is specific to AMD and specifies that enlightened TLB flush is
154  * supported. If guest opts in to this feature, ASID invalidations only
155  * flushes gva -> hpa mapping entries. To flush the TLB entries derived
156  * from NPT, hypercalls should be used (HvFlushGuestPhysicalAddressSpace
157  * or HvFlushGuestPhysicalAddressList).
158  */
159 #define HV_X64_NESTED_ENLIGHTENED_TLB			BIT(22)
160 
161 /* HYPERV_CPUID_ISOLATION_CONFIG.EAX bits. */
162 #define HV_PARAVISOR_PRESENT				BIT(0)
163 
164 /* HYPERV_CPUID_ISOLATION_CONFIG.EBX bits. */
165 #define HV_ISOLATION_TYPE				GENMASK(3, 0)
166 #define HV_SHARED_GPA_BOUNDARY_ACTIVE			BIT(5)
167 #define HV_SHARED_GPA_BOUNDARY_BITS			GENMASK(11, 6)
168 
169 enum hv_isolation_type {
170 	HV_ISOLATION_TYPE_NONE	= 0,
171 	HV_ISOLATION_TYPE_VBS	= 1,
172 	HV_ISOLATION_TYPE_SNP	= 2,
173 	HV_ISOLATION_TYPE_TDX	= 3
174 };
175 
176 /* Hyper-V specific model specific registers (MSRs) */
177 
178 /* MSR used to identify the guest OS. */
179 #define HV_X64_MSR_GUEST_OS_ID			0x40000000
180 
181 /* MSR used to setup pages used to communicate with the hypervisor. */
182 #define HV_X64_MSR_HYPERCALL			0x40000001
183 
184 /* MSR used to provide vcpu index */
185 #define HV_X64_MSR_VP_INDEX			0x40000002
186 
187 /* MSR used to reset the guest OS. */
188 #define HV_X64_MSR_RESET			0x40000003
189 
190 /* MSR used to provide vcpu runtime in 100ns units */
191 #define HV_X64_MSR_VP_RUNTIME			0x40000010
192 
193 /* MSR used to read the per-partition time reference counter */
194 #define HV_X64_MSR_TIME_REF_COUNT		0x40000020
195 
196 /* A partition's reference time stamp counter (TSC) page */
197 #define HV_X64_MSR_REFERENCE_TSC		0x40000021
198 
199 /* MSR used to retrieve the TSC frequency */
200 #define HV_X64_MSR_TSC_FREQUENCY		0x40000022
201 
202 /* MSR used to retrieve the local APIC timer frequency */
203 #define HV_X64_MSR_APIC_FREQUENCY		0x40000023
204 
205 /* Define the virtual APIC registers */
206 #define HV_X64_MSR_EOI				0x40000070
207 #define HV_X64_MSR_ICR				0x40000071
208 #define HV_X64_MSR_TPR				0x40000072
209 #define HV_X64_MSR_VP_ASSIST_PAGE		0x40000073
210 
211 /* Define synthetic interrupt controller model specific registers. */
212 #define HV_X64_MSR_SCONTROL			0x40000080
213 #define HV_X64_MSR_SVERSION			0x40000081
214 #define HV_X64_MSR_SIEFP			0x40000082
215 #define HV_X64_MSR_SIMP				0x40000083
216 #define HV_X64_MSR_EOM				0x40000084
217 #define HV_X64_MSR_SINT0			0x40000090
218 #define HV_X64_MSR_SINT1			0x40000091
219 #define HV_X64_MSR_SINT2			0x40000092
220 #define HV_X64_MSR_SINT3			0x40000093
221 #define HV_X64_MSR_SINT4			0x40000094
222 #define HV_X64_MSR_SINT5			0x40000095
223 #define HV_X64_MSR_SINT6			0x40000096
224 #define HV_X64_MSR_SINT7			0x40000097
225 #define HV_X64_MSR_SINT8			0x40000098
226 #define HV_X64_MSR_SINT9			0x40000099
227 #define HV_X64_MSR_SINT10			0x4000009A
228 #define HV_X64_MSR_SINT11			0x4000009B
229 #define HV_X64_MSR_SINT12			0x4000009C
230 #define HV_X64_MSR_SINT13			0x4000009D
231 #define HV_X64_MSR_SINT14			0x4000009E
232 #define HV_X64_MSR_SINT15			0x4000009F
233 
234 /*
235  * Define synthetic interrupt controller model specific registers for
236  * nested hypervisor.
237  */
238 #define HV_X64_MSR_NESTED_SCONTROL		0x40001080
239 #define HV_X64_MSR_NESTED_SVERSION		0x40001081
240 #define HV_X64_MSR_NESTED_SIEFP			0x40001082
241 #define HV_X64_MSR_NESTED_SIMP			0x40001083
242 #define HV_X64_MSR_NESTED_EOM			0x40001084
243 #define HV_X64_MSR_NESTED_SINT0			0x40001090
244 
245 /*
246  * Synthetic Timer MSRs. Four timers per vcpu.
247  */
248 #define HV_X64_MSR_STIMER0_CONFIG		0x400000B0
249 #define HV_X64_MSR_STIMER0_COUNT		0x400000B1
250 #define HV_X64_MSR_STIMER1_CONFIG		0x400000B2
251 #define HV_X64_MSR_STIMER1_COUNT		0x400000B3
252 #define HV_X64_MSR_STIMER2_CONFIG		0x400000B4
253 #define HV_X64_MSR_STIMER2_COUNT		0x400000B5
254 #define HV_X64_MSR_STIMER3_CONFIG		0x400000B6
255 #define HV_X64_MSR_STIMER3_COUNT		0x400000B7
256 
257 /* Hyper-V guest idle MSR */
258 #define HV_X64_MSR_GUEST_IDLE			0x400000F0
259 
260 /* Hyper-V guest crash notification MSR's */
261 #define HV_X64_MSR_CRASH_P0			0x40000100
262 #define HV_X64_MSR_CRASH_P1			0x40000101
263 #define HV_X64_MSR_CRASH_P2			0x40000102
264 #define HV_X64_MSR_CRASH_P3			0x40000103
265 #define HV_X64_MSR_CRASH_P4			0x40000104
266 #define HV_X64_MSR_CRASH_CTL			0x40000105
267 
268 /* TSC emulation after migration */
269 #define HV_X64_MSR_REENLIGHTENMENT_CONTROL	0x40000106
270 #define HV_X64_MSR_TSC_EMULATION_CONTROL	0x40000107
271 #define HV_X64_MSR_TSC_EMULATION_STATUS		0x40000108
272 
273 /* TSC invariant control */
274 #define HV_X64_MSR_TSC_INVARIANT_CONTROL	0x40000118
275 
276 /* HV_X64_MSR_TSC_INVARIANT_CONTROL bits */
277 #define HV_EXPOSE_INVARIANT_TSC		BIT_ULL(0)
278 
279 /*
280  * To support arch-generic code calling hv_set/get_register:
281  * - On x86, HV_MSR_ indicates an MSR accessed via rdmsrl/wrmsrl
282  * - On ARM, HV_MSR_ indicates a VP register accessed via hypercall
283  */
284 #define HV_MSR_CRASH_P0		(HV_X64_MSR_CRASH_P0)
285 #define HV_MSR_CRASH_P1		(HV_X64_MSR_CRASH_P1)
286 #define HV_MSR_CRASH_P2		(HV_X64_MSR_CRASH_P2)
287 #define HV_MSR_CRASH_P3		(HV_X64_MSR_CRASH_P3)
288 #define HV_MSR_CRASH_P4		(HV_X64_MSR_CRASH_P4)
289 #define HV_MSR_CRASH_CTL	(HV_X64_MSR_CRASH_CTL)
290 
291 #define HV_MSR_VP_INDEX		(HV_X64_MSR_VP_INDEX)
292 #define HV_MSR_TIME_REF_COUNT	(HV_X64_MSR_TIME_REF_COUNT)
293 #define HV_MSR_REFERENCE_TSC	(HV_X64_MSR_REFERENCE_TSC)
294 
295 #define HV_MSR_SINT0		(HV_X64_MSR_SINT0)
296 #define HV_MSR_SVERSION		(HV_X64_MSR_SVERSION)
297 #define HV_MSR_SCONTROL		(HV_X64_MSR_SCONTROL)
298 #define HV_MSR_SIEFP		(HV_X64_MSR_SIEFP)
299 #define HV_MSR_SIMP		(HV_X64_MSR_SIMP)
300 #define HV_MSR_EOM		(HV_X64_MSR_EOM)
301 
302 #define HV_MSR_NESTED_SCONTROL	(HV_X64_MSR_NESTED_SCONTROL)
303 #define HV_MSR_NESTED_SVERSION	(HV_X64_MSR_NESTED_SVERSION)
304 #define HV_MSR_NESTED_SIEFP	(HV_X64_MSR_NESTED_SIEFP)
305 #define HV_MSR_NESTED_SIMP	(HV_X64_MSR_NESTED_SIMP)
306 #define HV_MSR_NESTED_EOM	(HV_X64_MSR_NESTED_EOM)
307 #define HV_MSR_NESTED_SINT0	(HV_X64_MSR_NESTED_SINT0)
308 
309 #define HV_MSR_STIMER0_CONFIG	(HV_X64_MSR_STIMER0_CONFIG)
310 #define HV_MSR_STIMER0_COUNT	(HV_X64_MSR_STIMER0_COUNT)
311 
312 /*
313  * Registers are only accessible via HVCALL_GET_VP_REGISTERS hvcall and
314  * there is not associated MSR address.
315  */
316 #define	HV_X64_REGISTER_VSM_VP_STATUS	0x000D0003
317 #define	HV_X64_VTL_MASK			GENMASK(3, 0)
318 
319 /* Hyper-V memory host visibility */
320 enum hv_mem_host_visibility {
321 	VMBUS_PAGE_NOT_VISIBLE		= 0,
322 	VMBUS_PAGE_VISIBLE_READ_ONLY	= 1,
323 	VMBUS_PAGE_VISIBLE_READ_WRITE	= 3
324 };
325 
326 /* HvCallModifySparseGpaPageHostVisibility hypercall */
327 #define HV_MAX_MODIFY_GPA_REP_COUNT	((PAGE_SIZE / sizeof(u64)) - 2)
328 struct hv_gpa_range_for_visibility {
329 	u64 partition_id;
330 	u32 host_visibility:2;
331 	u32 reserved0:30;
332 	u32 reserved1;
333 	u64 gpa_page_list[HV_MAX_MODIFY_GPA_REP_COUNT];
334 } __packed;
335 
336 /*
337  * Declare the MSR used to setup pages used to communicate with the hypervisor.
338  */
339 union hv_x64_msr_hypercall_contents {
340 	u64 as_uint64;
341 	struct {
342 		u64 enable:1;
343 		u64 reserved:11;
344 		u64 guest_physical_address:52;
345 	} __packed;
346 };
347 
348 union hv_vp_assist_msr_contents {
349 	u64 as_uint64;
350 	struct {
351 		u64 enable:1;
352 		u64 reserved:11;
353 		u64 pfn:52;
354 	} __packed;
355 };
356 
357 struct hv_reenlightenment_control {
358 	__u64 vector:8;
359 	__u64 reserved1:8;
360 	__u64 enabled:1;
361 	__u64 reserved2:15;
362 	__u64 target_vp:32;
363 }  __packed;
364 
365 struct hv_tsc_emulation_control {
366 	__u64 enabled:1;
367 	__u64 reserved:63;
368 } __packed;
369 
370 struct hv_tsc_emulation_status {
371 	__u64 inprogress:1;
372 	__u64 reserved:63;
373 } __packed;
374 
375 #define HV_X64_MSR_HYPERCALL_ENABLE		0x00000001
376 #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT	12
377 #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK	\
378 		(~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1))
379 
380 #define HV_X64_MSR_CRASH_PARAMS		\
381 		(1 + (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0))
382 
383 #define HV_IPI_LOW_VECTOR	0x10
384 #define HV_IPI_HIGH_VECTOR	0xff
385 
386 #define HV_X64_MSR_VP_ASSIST_PAGE_ENABLE	0x00000001
387 #define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT	12
388 #define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK	\
389 		(~((1ull << HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT) - 1))
390 
391 /* Hyper-V Enlightened VMCS version mask in nested features CPUID */
392 #define HV_X64_ENLIGHTENED_VMCS_VERSION		0xff
393 
394 #define HV_X64_MSR_TSC_REFERENCE_ENABLE		0x00000001
395 #define HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT	12
396 
397 /* Number of XMM registers used in hypercall input/output */
398 #define HV_HYPERCALL_MAX_XMM_REGISTERS		6
399 
400 struct hv_nested_enlightenments_control {
401 	struct {
402 		__u32 directhypercall:1;
403 		__u32 reserved:31;
404 	} features;
405 	struct {
406 		__u32 inter_partition_comm:1;
407 		__u32 reserved:31;
408 	} hypercallControls;
409 } __packed;
410 
411 /* Define virtual processor assist page structure. */
412 struct hv_vp_assist_page {
413 	__u32 apic_assist;
414 	__u32 reserved1;
415 	__u32 vtl_entry_reason;
416 	__u32 vtl_reserved;
417 	__u64 vtl_ret_x64rax;
418 	__u64 vtl_ret_x64rcx;
419 	struct hv_nested_enlightenments_control nested_control;
420 	__u8 enlighten_vmentry;
421 	__u8 reserved2[7];
422 	__u64 current_nested_vmcs;
423 	__u8 synthetic_time_unhalted_timer_expired;
424 	__u8 reserved3[7];
425 	__u8 virtualization_fault_information[40];
426 	__u8 reserved4[8];
427 	__u8 intercept_message[256];
428 	__u8 vtl_ret_actions[256];
429 } __packed;
430 
431 struct hv_enlightened_vmcs {
432 	u32 revision_id;
433 	u32 abort;
434 
435 	u16 host_es_selector;
436 	u16 host_cs_selector;
437 	u16 host_ss_selector;
438 	u16 host_ds_selector;
439 	u16 host_fs_selector;
440 	u16 host_gs_selector;
441 	u16 host_tr_selector;
442 
443 	u16 padding16_1;
444 
445 	u64 host_ia32_pat;
446 	u64 host_ia32_efer;
447 
448 	u64 host_cr0;
449 	u64 host_cr3;
450 	u64 host_cr4;
451 
452 	u64 host_ia32_sysenter_esp;
453 	u64 host_ia32_sysenter_eip;
454 	u64 host_rip;
455 	u32 host_ia32_sysenter_cs;
456 
457 	u32 pin_based_vm_exec_control;
458 	u32 vm_exit_controls;
459 	u32 secondary_vm_exec_control;
460 
461 	u64 io_bitmap_a;
462 	u64 io_bitmap_b;
463 	u64 msr_bitmap;
464 
465 	u16 guest_es_selector;
466 	u16 guest_cs_selector;
467 	u16 guest_ss_selector;
468 	u16 guest_ds_selector;
469 	u16 guest_fs_selector;
470 	u16 guest_gs_selector;
471 	u16 guest_ldtr_selector;
472 	u16 guest_tr_selector;
473 
474 	u32 guest_es_limit;
475 	u32 guest_cs_limit;
476 	u32 guest_ss_limit;
477 	u32 guest_ds_limit;
478 	u32 guest_fs_limit;
479 	u32 guest_gs_limit;
480 	u32 guest_ldtr_limit;
481 	u32 guest_tr_limit;
482 	u32 guest_gdtr_limit;
483 	u32 guest_idtr_limit;
484 
485 	u32 guest_es_ar_bytes;
486 	u32 guest_cs_ar_bytes;
487 	u32 guest_ss_ar_bytes;
488 	u32 guest_ds_ar_bytes;
489 	u32 guest_fs_ar_bytes;
490 	u32 guest_gs_ar_bytes;
491 	u32 guest_ldtr_ar_bytes;
492 	u32 guest_tr_ar_bytes;
493 
494 	u64 guest_es_base;
495 	u64 guest_cs_base;
496 	u64 guest_ss_base;
497 	u64 guest_ds_base;
498 	u64 guest_fs_base;
499 	u64 guest_gs_base;
500 	u64 guest_ldtr_base;
501 	u64 guest_tr_base;
502 	u64 guest_gdtr_base;
503 	u64 guest_idtr_base;
504 
505 	u64 padding64_1[3];
506 
507 	u64 vm_exit_msr_store_addr;
508 	u64 vm_exit_msr_load_addr;
509 	u64 vm_entry_msr_load_addr;
510 
511 	u64 cr3_target_value0;
512 	u64 cr3_target_value1;
513 	u64 cr3_target_value2;
514 	u64 cr3_target_value3;
515 
516 	u32 page_fault_error_code_mask;
517 	u32 page_fault_error_code_match;
518 
519 	u32 cr3_target_count;
520 	u32 vm_exit_msr_store_count;
521 	u32 vm_exit_msr_load_count;
522 	u32 vm_entry_msr_load_count;
523 
524 	u64 tsc_offset;
525 	u64 virtual_apic_page_addr;
526 	u64 vmcs_link_pointer;
527 
528 	u64 guest_ia32_debugctl;
529 	u64 guest_ia32_pat;
530 	u64 guest_ia32_efer;
531 
532 	u64 guest_pdptr0;
533 	u64 guest_pdptr1;
534 	u64 guest_pdptr2;
535 	u64 guest_pdptr3;
536 
537 	u64 guest_pending_dbg_exceptions;
538 	u64 guest_sysenter_esp;
539 	u64 guest_sysenter_eip;
540 
541 	u32 guest_activity_state;
542 	u32 guest_sysenter_cs;
543 
544 	u64 cr0_guest_host_mask;
545 	u64 cr4_guest_host_mask;
546 	u64 cr0_read_shadow;
547 	u64 cr4_read_shadow;
548 	u64 guest_cr0;
549 	u64 guest_cr3;
550 	u64 guest_cr4;
551 	u64 guest_dr7;
552 
553 	u64 host_fs_base;
554 	u64 host_gs_base;
555 	u64 host_tr_base;
556 	u64 host_gdtr_base;
557 	u64 host_idtr_base;
558 	u64 host_rsp;
559 
560 	u64 ept_pointer;
561 
562 	u16 virtual_processor_id;
563 	u16 padding16_2[3];
564 
565 	u64 padding64_2[5];
566 	u64 guest_physical_address;
567 
568 	u32 vm_instruction_error;
569 	u32 vm_exit_reason;
570 	u32 vm_exit_intr_info;
571 	u32 vm_exit_intr_error_code;
572 	u32 idt_vectoring_info_field;
573 	u32 idt_vectoring_error_code;
574 	u32 vm_exit_instruction_len;
575 	u32 vmx_instruction_info;
576 
577 	u64 exit_qualification;
578 	u64 exit_io_instruction_ecx;
579 	u64 exit_io_instruction_esi;
580 	u64 exit_io_instruction_edi;
581 	u64 exit_io_instruction_eip;
582 
583 	u64 guest_linear_address;
584 	u64 guest_rsp;
585 	u64 guest_rflags;
586 
587 	u32 guest_interruptibility_info;
588 	u32 cpu_based_vm_exec_control;
589 	u32 exception_bitmap;
590 	u32 vm_entry_controls;
591 	u32 vm_entry_intr_info_field;
592 	u32 vm_entry_exception_error_code;
593 	u32 vm_entry_instruction_len;
594 	u32 tpr_threshold;
595 
596 	u64 guest_rip;
597 
598 	u32 hv_clean_fields;
599 	u32 padding32_1;
600 	u32 hv_synthetic_controls;
601 	struct {
602 		u32 nested_flush_hypercall:1;
603 		u32 msr_bitmap:1;
604 		u32 reserved:30;
605 	}  __packed hv_enlightenments_control;
606 	u32 hv_vp_id;
607 	u32 padding32_2;
608 	u64 hv_vm_id;
609 	u64 partition_assist_page;
610 	u64 padding64_4[4];
611 	u64 guest_bndcfgs;
612 	u64 guest_ia32_perf_global_ctrl;
613 	u64 guest_ia32_s_cet;
614 	u64 guest_ssp;
615 	u64 guest_ia32_int_ssp_table_addr;
616 	u64 guest_ia32_lbr_ctl;
617 	u64 padding64_5[2];
618 	u64 xss_exit_bitmap;
619 	u64 encls_exiting_bitmap;
620 	u64 host_ia32_perf_global_ctrl;
621 	u64 tsc_multiplier;
622 	u64 host_ia32_s_cet;
623 	u64 host_ssp;
624 	u64 host_ia32_int_ssp_table_addr;
625 	u64 padding64_6;
626 } __packed;
627 
628 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE			0
629 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP		BIT(0)
630 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_MSR_BITMAP		BIT(1)
631 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2		BIT(2)
632 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1		BIT(3)
633 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_PROC		BIT(4)
634 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT		BIT(5)
635 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_ENTRY		BIT(6)
636 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EXCPN		BIT(7)
637 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR			BIT(8)
638 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT		BIT(9)
639 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC		BIT(10)
640 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1		BIT(11)
641 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2		BIT(12)
642 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER		BIT(13)
643 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1		BIT(14)
644 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ENLIGHTENMENTSCONTROL	BIT(15)
645 
646 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL			0xFFFF
647 
648 /*
649  * Note, Hyper-V isn't actually stealing bit 28 from Intel, just abusing it by
650  * pairing it with architecturally impossible exit reasons.  Bit 28 is set only
651  * on SMI exits to a SMI transfer monitor (STM) and if and only if a MTF VM-Exit
652  * is pending.  I.e. it will never be set by hardware for non-SMI exits (there
653  * are only three), nor will it ever be set unless the VMM is an STM.
654  */
655 #define HV_VMX_SYNTHETIC_EXIT_REASON_TRAP_AFTER_FLUSH		0x10000031
656 
657 /*
658  * Hyper-V uses the software reserved 32 bytes in VMCB control area to expose
659  * SVM enlightenments to guests.
660  */
661 struct hv_vmcb_enlightenments {
662 	struct __packed hv_enlightenments_control {
663 		u32 nested_flush_hypercall:1;
664 		u32 msr_bitmap:1;
665 		u32 enlightened_npt_tlb: 1;
666 		u32 reserved:29;
667 	} __packed hv_enlightenments_control;
668 	u32 hv_vp_id;
669 	u64 hv_vm_id;
670 	u64 partition_assist_page;
671 	u64 reserved;
672 } __packed;
673 
674 /*
675  * Hyper-V uses the software reserved clean bit in VMCB.
676  */
677 #define HV_VMCB_NESTED_ENLIGHTENMENTS		31
678 
679 /* Synthetic VM-Exit */
680 #define HV_SVM_EXITCODE_ENL			0xf0000000
681 #define HV_SVM_ENL_EXITCODE_TRAP_AFTER_FLUSH	(1)
682 
683 struct hv_partition_assist_pg {
684 	u32 tlb_lock_count;
685 };
686 
687 enum hv_interrupt_type {
688 	HV_X64_INTERRUPT_TYPE_FIXED             = 0x0000,
689 	HV_X64_INTERRUPT_TYPE_LOWESTPRIORITY    = 0x0001,
690 	HV_X64_INTERRUPT_TYPE_SMI               = 0x0002,
691 	HV_X64_INTERRUPT_TYPE_REMOTEREAD        = 0x0003,
692 	HV_X64_INTERRUPT_TYPE_NMI               = 0x0004,
693 	HV_X64_INTERRUPT_TYPE_INIT              = 0x0005,
694 	HV_X64_INTERRUPT_TYPE_SIPI              = 0x0006,
695 	HV_X64_INTERRUPT_TYPE_EXTINT            = 0x0007,
696 	HV_X64_INTERRUPT_TYPE_LOCALINT0         = 0x0008,
697 	HV_X64_INTERRUPT_TYPE_LOCALINT1         = 0x0009,
698 	HV_X64_INTERRUPT_TYPE_MAXIMUM           = 0x000A,
699 };
700 
701 union hv_msi_address_register {
702 	u32 as_uint32;
703 	struct {
704 		u32 reserved1:2;
705 		u32 destination_mode:1;
706 		u32 redirection_hint:1;
707 		u32 reserved2:8;
708 		u32 destination_id:8;
709 		u32 msi_base:12;
710 	};
711 } __packed;
712 
713 union hv_msi_data_register {
714 	u32 as_uint32;
715 	struct {
716 		u32 vector:8;
717 		u32 delivery_mode:3;
718 		u32 reserved1:3;
719 		u32 level_assert:1;
720 		u32 trigger_mode:1;
721 		u32 reserved2:16;
722 	};
723 } __packed;
724 
725 /* HvRetargetDeviceInterrupt hypercall */
726 union hv_msi_entry {
727 	u64 as_uint64;
728 	struct {
729 		union hv_msi_address_register address;
730 		union hv_msi_data_register data;
731 	} __packed;
732 };
733 
734 struct hv_x64_segment_register {
735 	u64 base;
736 	u32 limit;
737 	u16 selector;
738 	union {
739 		struct {
740 			u16 segment_type : 4;
741 			u16 non_system_segment : 1;
742 			u16 descriptor_privilege_level : 2;
743 			u16 present : 1;
744 			u16 reserved : 4;
745 			u16 available : 1;
746 			u16 _long : 1;
747 			u16 _default : 1;
748 			u16 granularity : 1;
749 		} __packed;
750 		u16 attributes;
751 	};
752 } __packed;
753 
754 struct hv_x64_table_register {
755 	u16 pad[3];
756 	u16 limit;
757 	u64 base;
758 } __packed;
759 
760 struct hv_init_vp_context {
761 	u64 rip;
762 	u64 rsp;
763 	u64 rflags;
764 
765 	struct hv_x64_segment_register cs;
766 	struct hv_x64_segment_register ds;
767 	struct hv_x64_segment_register es;
768 	struct hv_x64_segment_register fs;
769 	struct hv_x64_segment_register gs;
770 	struct hv_x64_segment_register ss;
771 	struct hv_x64_segment_register tr;
772 	struct hv_x64_segment_register ldtr;
773 
774 	struct hv_x64_table_register idtr;
775 	struct hv_x64_table_register gdtr;
776 
777 	u64 efer;
778 	u64 cr0;
779 	u64 cr3;
780 	u64 cr4;
781 	u64 msr_cr_pat;
782 } __packed;
783 
784 union hv_input_vtl {
785 	u8 as_uint8;
786 	struct {
787 		u8 target_vtl: 4;
788 		u8 use_target_vtl: 1;
789 		u8 reserved_z: 3;
790 	};
791 } __packed;
792 
793 struct hv_enable_vp_vtl {
794 	u64				partition_id;
795 	u32				vp_index;
796 	union hv_input_vtl		target_vtl;
797 	u8				mbz0;
798 	u16				mbz1;
799 	struct hv_init_vp_context	vp_context;
800 } __packed;
801 
802 struct hv_get_vp_from_apic_id_in {
803 	u64 partition_id;
804 	union hv_input_vtl target_vtl;
805 	u8 res[7];
806 	u32 apic_ids[];
807 } __packed;
808 
809 #include <asm-generic/hyperv-tlfs.h>
810 
811 #endif
812