1 #include "qemu/osdep.h"
2 #include "cpu.h"
3 #include "exec/exec-all.h"
4 #include "hw/isa/isa.h"
5 #include "migration/cpu.h"
6 #include "kvm/hyperv.h"
7 #include "hw/i386/x86.h"
8 #include "kvm/kvm_i386.h"
9 #include "hw/xen/xen.h"
10
11 #include "sysemu/kvm.h"
12 #include "sysemu/kvm_xen.h"
13 #include "sysemu/tcg.h"
14
15 #include "qemu/error-report.h"
16
17 static const VMStateDescription vmstate_segment = {
18 .name = "segment",
19 .version_id = 1,
20 .minimum_version_id = 1,
21 .fields = (const VMStateField[]) {
22 VMSTATE_UINT32(selector, SegmentCache),
23 VMSTATE_UINTTL(base, SegmentCache),
24 VMSTATE_UINT32(limit, SegmentCache),
25 VMSTATE_UINT32(flags, SegmentCache),
26 VMSTATE_END_OF_LIST()
27 }
28 };
29
30 #define VMSTATE_SEGMENT(_field, _state) { \
31 .name = (stringify(_field)), \
32 .size = sizeof(SegmentCache), \
33 .vmsd = &vmstate_segment, \
34 .flags = VMS_STRUCT, \
35 .offset = offsetof(_state, _field) \
36 + type_check(SegmentCache,typeof_field(_state, _field)) \
37 }
38
39 #define VMSTATE_SEGMENT_ARRAY(_field, _state, _n) \
40 VMSTATE_STRUCT_ARRAY(_field, _state, _n, 0, vmstate_segment, SegmentCache)
41
42 static const VMStateDescription vmstate_xmm_reg = {
43 .name = "xmm_reg",
44 .version_id = 1,
45 .minimum_version_id = 1,
46 .fields = (const VMStateField[]) {
47 VMSTATE_UINT64(ZMM_Q(0), ZMMReg),
48 VMSTATE_UINT64(ZMM_Q(1), ZMMReg),
49 VMSTATE_END_OF_LIST()
50 }
51 };
52
53 #define VMSTATE_XMM_REGS(_field, _state, _start) \
54 VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0, \
55 vmstate_xmm_reg, ZMMReg)
56
57 /* YMMH format is the same as XMM, but for bits 128-255 */
58 static const VMStateDescription vmstate_ymmh_reg = {
59 .name = "ymmh_reg",
60 .version_id = 1,
61 .minimum_version_id = 1,
62 .fields = (const VMStateField[]) {
63 VMSTATE_UINT64(ZMM_Q(2), ZMMReg),
64 VMSTATE_UINT64(ZMM_Q(3), ZMMReg),
65 VMSTATE_END_OF_LIST()
66 }
67 };
68
69 #define VMSTATE_YMMH_REGS_VARS(_field, _state, _start, _v) \
70 VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, _v, \
71 vmstate_ymmh_reg, ZMMReg)
72
73 static const VMStateDescription vmstate_zmmh_reg = {
74 .name = "zmmh_reg",
75 .version_id = 1,
76 .minimum_version_id = 1,
77 .fields = (const VMStateField[]) {
78 VMSTATE_UINT64(ZMM_Q(4), ZMMReg),
79 VMSTATE_UINT64(ZMM_Q(5), ZMMReg),
80 VMSTATE_UINT64(ZMM_Q(6), ZMMReg),
81 VMSTATE_UINT64(ZMM_Q(7), ZMMReg),
82 VMSTATE_END_OF_LIST()
83 }
84 };
85
86 #define VMSTATE_ZMMH_REGS_VARS(_field, _state, _start) \
87 VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0, \
88 vmstate_zmmh_reg, ZMMReg)
89
90 #ifdef TARGET_X86_64
91 static const VMStateDescription vmstate_hi16_zmm_reg = {
92 .name = "hi16_zmm_reg",
93 .version_id = 1,
94 .minimum_version_id = 1,
95 .fields = (const VMStateField[]) {
96 VMSTATE_UINT64(ZMM_Q(0), ZMMReg),
97 VMSTATE_UINT64(ZMM_Q(1), ZMMReg),
98 VMSTATE_UINT64(ZMM_Q(2), ZMMReg),
99 VMSTATE_UINT64(ZMM_Q(3), ZMMReg),
100 VMSTATE_UINT64(ZMM_Q(4), ZMMReg),
101 VMSTATE_UINT64(ZMM_Q(5), ZMMReg),
102 VMSTATE_UINT64(ZMM_Q(6), ZMMReg),
103 VMSTATE_UINT64(ZMM_Q(7), ZMMReg),
104 VMSTATE_END_OF_LIST()
105 }
106 };
107
108 #define VMSTATE_Hi16_ZMM_REGS_VARS(_field, _state, _start) \
109 VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0, \
110 vmstate_hi16_zmm_reg, ZMMReg)
111 #endif
112
113 static const VMStateDescription vmstate_bnd_regs = {
114 .name = "bnd_regs",
115 .version_id = 1,
116 .minimum_version_id = 1,
117 .fields = (const VMStateField[]) {
118 VMSTATE_UINT64(lb, BNDReg),
119 VMSTATE_UINT64(ub, BNDReg),
120 VMSTATE_END_OF_LIST()
121 }
122 };
123
124 #define VMSTATE_BND_REGS(_field, _state, _n) \
125 VMSTATE_STRUCT_ARRAY(_field, _state, _n, 0, vmstate_bnd_regs, BNDReg)
126
127 static const VMStateDescription vmstate_mtrr_var = {
128 .name = "mtrr_var",
129 .version_id = 1,
130 .minimum_version_id = 1,
131 .fields = (const VMStateField[]) {
132 VMSTATE_UINT64(base, MTRRVar),
133 VMSTATE_UINT64(mask, MTRRVar),
134 VMSTATE_END_OF_LIST()
135 }
136 };
137
138 #define VMSTATE_MTRR_VARS(_field, _state, _n, _v) \
139 VMSTATE_STRUCT_ARRAY(_field, _state, _n, _v, vmstate_mtrr_var, MTRRVar)
140
141 static const VMStateDescription vmstate_lbr_records_var = {
142 .name = "lbr_records_var",
143 .version_id = 1,
144 .minimum_version_id = 1,
145 .fields = (const VMStateField[]) {
146 VMSTATE_UINT64(from, LBREntry),
147 VMSTATE_UINT64(to, LBREntry),
148 VMSTATE_UINT64(info, LBREntry),
149 VMSTATE_END_OF_LIST()
150 }
151 };
152
153 #define VMSTATE_LBR_VARS(_field, _state, _n, _v) \
154 VMSTATE_STRUCT_ARRAY(_field, _state, _n, _v, vmstate_lbr_records_var, \
155 LBREntry)
156
157 typedef struct x86_FPReg_tmp {
158 FPReg *parent;
159 uint64_t tmp_mant;
160 uint16_t tmp_exp;
161 } x86_FPReg_tmp;
162
cpu_get_fp80(uint64_t * pmant,uint16_t * pexp,floatx80 f)163 static void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f)
164 {
165 CPU_LDoubleU temp;
166
167 temp.d = f;
168 *pmant = temp.l.lower;
169 *pexp = temp.l.upper;
170 }
171
cpu_set_fp80(uint64_t mant,uint16_t upper)172 static floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper)
173 {
174 CPU_LDoubleU temp;
175
176 temp.l.upper = upper;
177 temp.l.lower = mant;
178 return temp.d;
179 }
180
fpreg_pre_save(void * opaque)181 static int fpreg_pre_save(void *opaque)
182 {
183 x86_FPReg_tmp *tmp = opaque;
184
185 /* we save the real CPU data (in case of MMX usage only 'mant'
186 contains the MMX register */
187 cpu_get_fp80(&tmp->tmp_mant, &tmp->tmp_exp, tmp->parent->d);
188
189 return 0;
190 }
191
fpreg_post_load(void * opaque,int version)192 static int fpreg_post_load(void *opaque, int version)
193 {
194 x86_FPReg_tmp *tmp = opaque;
195
196 tmp->parent->d = cpu_set_fp80(tmp->tmp_mant, tmp->tmp_exp);
197 return 0;
198 }
199
200 static const VMStateDescription vmstate_fpreg_tmp = {
201 .name = "fpreg_tmp",
202 .post_load = fpreg_post_load,
203 .pre_save = fpreg_pre_save,
204 .fields = (const VMStateField[]) {
205 VMSTATE_UINT64(tmp_mant, x86_FPReg_tmp),
206 VMSTATE_UINT16(tmp_exp, x86_FPReg_tmp),
207 VMSTATE_END_OF_LIST()
208 }
209 };
210
211 static const VMStateDescription vmstate_fpreg = {
212 .name = "fpreg",
213 .fields = (const VMStateField[]) {
214 VMSTATE_WITH_TMP(FPReg, x86_FPReg_tmp, vmstate_fpreg_tmp),
215 VMSTATE_END_OF_LIST()
216 }
217 };
218
cpu_pre_save(void * opaque)219 static int cpu_pre_save(void *opaque)
220 {
221 X86CPU *cpu = opaque;
222 CPUX86State *env = &cpu->env;
223 int i;
224 env->v_tpr = env->int_ctl & V_TPR_MASK;
225 /* FPU */
226 env->fpus_vmstate = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
227 env->fptag_vmstate = 0;
228 for(i = 0; i < 8; i++) {
229 env->fptag_vmstate |= ((!env->fptags[i]) << i);
230 }
231
232 env->fpregs_format_vmstate = 0;
233
234 /*
235 * Real mode guest segments register DPL should be zero.
236 * Older KVM version were setting it wrongly.
237 * Fixing it will allow live migration to host with unrestricted guest
238 * support (otherwise the migration will fail with invalid guest state
239 * error).
240 */
241 if (!(env->cr[0] & CR0_PE_MASK) &&
242 (env->segs[R_CS].flags >> DESC_DPL_SHIFT & 3) != 0) {
243 env->segs[R_CS].flags &= ~(env->segs[R_CS].flags & DESC_DPL_MASK);
244 env->segs[R_DS].flags &= ~(env->segs[R_DS].flags & DESC_DPL_MASK);
245 env->segs[R_ES].flags &= ~(env->segs[R_ES].flags & DESC_DPL_MASK);
246 env->segs[R_FS].flags &= ~(env->segs[R_FS].flags & DESC_DPL_MASK);
247 env->segs[R_GS].flags &= ~(env->segs[R_GS].flags & DESC_DPL_MASK);
248 env->segs[R_SS].flags &= ~(env->segs[R_SS].flags & DESC_DPL_MASK);
249 }
250
251 #ifdef CONFIG_KVM
252 /*
253 * In case vCPU may have enabled VMX, we need to make sure kernel have
254 * required capabilities in order to perform migration correctly:
255 *
256 * 1) We must be able to extract vCPU nested-state from KVM.
257 *
258 * 2) In case vCPU is running in guest-mode and it has a pending exception,
259 * we must be able to determine if it's in a pending or injected state.
260 * Note that in case KVM don't have required capability to do so,
261 * a pending/injected exception will always appear as an
262 * injected exception.
263 */
264 if (kvm_enabled() && cpu_vmx_maybe_enabled(env) &&
265 (!env->nested_state ||
266 (!kvm_has_exception_payload() && (env->hflags & HF_GUEST_MASK) &&
267 env->exception_injected))) {
268 error_report("Guest maybe enabled nested virtualization but kernel "
269 "does not support required capabilities to save vCPU "
270 "nested state");
271 return -EINVAL;
272 }
273 #endif
274
275 /*
276 * When vCPU is running L2 and exception is still pending,
277 * it can potentially be intercepted by L1 hypervisor.
278 * In contrast to an injected exception which cannot be
279 * intercepted anymore.
280 *
281 * Furthermore, when a L2 exception is intercepted by L1
282 * hypervisor, its exception payload (CR2/DR6 on #PF/#DB)
283 * should not be set yet in the respective vCPU register.
284 * Thus, in case an exception is pending, it is
285 * important to save the exception payload separately.
286 *
287 * Therefore, if an exception is not in a pending state
288 * or vCPU is not in guest-mode, it is not important to
289 * distinguish between a pending and injected exception
290 * and we don't need to store separately the exception payload.
291 *
292 * In order to preserve better backwards-compatible migration,
293 * convert a pending exception to an injected exception in
294 * case it is not important to distinguish between them
295 * as described above.
296 */
297 if (env->exception_pending && !(env->hflags & HF_GUEST_MASK)) {
298 env->exception_pending = 0;
299 env->exception_injected = 1;
300
301 if (env->exception_has_payload) {
302 if (env->exception_nr == EXCP01_DB) {
303 env->dr[6] = env->exception_payload;
304 } else if (env->exception_nr == EXCP0E_PAGE) {
305 env->cr[2] = env->exception_payload;
306 }
307 }
308 }
309
310 return 0;
311 }
312
cpu_post_load(void * opaque,int version_id)313 static int cpu_post_load(void *opaque, int version_id)
314 {
315 X86CPU *cpu = opaque;
316 CPUState *cs = CPU(cpu);
317 CPUX86State *env = &cpu->env;
318 int i;
319
320 if (env->tsc_khz && env->user_tsc_khz &&
321 env->tsc_khz != env->user_tsc_khz) {
322 error_report("Mismatch between user-specified TSC frequency and "
323 "migrated TSC frequency");
324 return -EINVAL;
325 }
326
327 if (env->fpregs_format_vmstate) {
328 error_report("Unsupported old non-softfloat CPU state");
329 return -EINVAL;
330 }
331 /*
332 * Real mode guest segments register DPL should be zero.
333 * Older KVM version were setting it wrongly.
334 * Fixing it will allow live migration from such host that don't have
335 * restricted guest support to a host with unrestricted guest support
336 * (otherwise the migration will fail with invalid guest state
337 * error).
338 */
339 if (!(env->cr[0] & CR0_PE_MASK) &&
340 (env->segs[R_CS].flags >> DESC_DPL_SHIFT & 3) != 0) {
341 env->segs[R_CS].flags &= ~(env->segs[R_CS].flags & DESC_DPL_MASK);
342 env->segs[R_DS].flags &= ~(env->segs[R_DS].flags & DESC_DPL_MASK);
343 env->segs[R_ES].flags &= ~(env->segs[R_ES].flags & DESC_DPL_MASK);
344 env->segs[R_FS].flags &= ~(env->segs[R_FS].flags & DESC_DPL_MASK);
345 env->segs[R_GS].flags &= ~(env->segs[R_GS].flags & DESC_DPL_MASK);
346 env->segs[R_SS].flags &= ~(env->segs[R_SS].flags & DESC_DPL_MASK);
347 }
348
349 /* Older versions of QEMU incorrectly used CS.DPL as the CPL when
350 * running under KVM. This is wrong for conforming code segments.
351 * Luckily, in our implementation the CPL field of hflags is redundant
352 * and we can get the right value from the SS descriptor privilege level.
353 */
354 env->hflags &= ~HF_CPL_MASK;
355 env->hflags |= (env->segs[R_SS].flags >> DESC_DPL_SHIFT) & HF_CPL_MASK;
356
357 #ifdef CONFIG_KVM
358 if ((env->hflags & HF_GUEST_MASK) &&
359 (!env->nested_state ||
360 !(env->nested_state->flags & KVM_STATE_NESTED_GUEST_MODE))) {
361 error_report("vCPU set in guest-mode inconsistent with "
362 "migrated kernel nested state");
363 return -EINVAL;
364 }
365 #endif
366
367 /*
368 * There are cases that we can get valid exception_nr with both
369 * exception_pending and exception_injected being cleared.
370 * This can happen in one of the following scenarios:
371 * 1) Source is older QEMU without KVM_CAP_EXCEPTION_PAYLOAD support.
372 * 2) Source is running on kernel without KVM_CAP_EXCEPTION_PAYLOAD support.
373 * 3) "cpu/exception_info" subsection not sent because there is no exception
374 * pending or guest wasn't running L2 (See comment in cpu_pre_save()).
375 *
376 * In those cases, we can just deduce that a valid exception_nr means
377 * we can treat the exception as already injected.
378 */
379 if ((env->exception_nr != -1) &&
380 !env->exception_pending && !env->exception_injected) {
381 env->exception_injected = 1;
382 }
383
384 env->fpstt = (env->fpus_vmstate >> 11) & 7;
385 env->fpus = env->fpus_vmstate & ~0x3800;
386 env->fptag_vmstate ^= 0xff;
387 for(i = 0; i < 8; i++) {
388 env->fptags[i] = (env->fptag_vmstate >> i) & 1;
389 }
390 if (tcg_enabled()) {
391 target_ulong dr7;
392 update_fp_status(env);
393 update_mxcsr_status(env);
394
395 cpu_breakpoint_remove_all(cs, BP_CPU);
396 cpu_watchpoint_remove_all(cs, BP_CPU);
397
398 /* Indicate all breakpoints disabled, as they are, then
399 let the helper re-enable them. */
400 dr7 = env->dr[7];
401 env->dr[7] = dr7 & ~(DR7_GLOBAL_BP_MASK | DR7_LOCAL_BP_MASK);
402 cpu_x86_update_dr7(env, dr7);
403 }
404 tlb_flush(cs);
405 return 0;
406 }
407
async_pf_msr_needed(void * opaque)408 static bool async_pf_msr_needed(void *opaque)
409 {
410 X86CPU *cpu = opaque;
411
412 return cpu->env.async_pf_en_msr != 0;
413 }
414
async_pf_int_msr_needed(void * opaque)415 static bool async_pf_int_msr_needed(void *opaque)
416 {
417 X86CPU *cpu = opaque;
418
419 return cpu->env.async_pf_int_msr != 0;
420 }
421
pv_eoi_msr_needed(void * opaque)422 static bool pv_eoi_msr_needed(void *opaque)
423 {
424 X86CPU *cpu = opaque;
425
426 return cpu->env.pv_eoi_en_msr != 0;
427 }
428
steal_time_msr_needed(void * opaque)429 static bool steal_time_msr_needed(void *opaque)
430 {
431 X86CPU *cpu = opaque;
432
433 return cpu->env.steal_time_msr != 0;
434 }
435
exception_info_needed(void * opaque)436 static bool exception_info_needed(void *opaque)
437 {
438 X86CPU *cpu = opaque;
439 CPUX86State *env = &cpu->env;
440
441 /*
442 * It is important to save exception-info only in case
443 * we need to distinguish between a pending and injected
444 * exception. Which is only required in case there is a
445 * pending exception and vCPU is running L2.
446 * For more info, refer to comment in cpu_pre_save().
447 */
448 return env->exception_pending && (env->hflags & HF_GUEST_MASK);
449 }
450
451 static const VMStateDescription vmstate_exception_info = {
452 .name = "cpu/exception_info",
453 .version_id = 1,
454 .minimum_version_id = 1,
455 .needed = exception_info_needed,
456 .fields = (const VMStateField[]) {
457 VMSTATE_UINT8(env.exception_pending, X86CPU),
458 VMSTATE_UINT8(env.exception_injected, X86CPU),
459 VMSTATE_UINT8(env.exception_has_payload, X86CPU),
460 VMSTATE_UINT64(env.exception_payload, X86CPU),
461 VMSTATE_END_OF_LIST()
462 }
463 };
464
465 /* Poll control MSR enabled by default */
poll_control_msr_needed(void * opaque)466 static bool poll_control_msr_needed(void *opaque)
467 {
468 X86CPU *cpu = opaque;
469
470 return cpu->env.poll_control_msr != 1;
471 }
472
473 static const VMStateDescription vmstate_steal_time_msr = {
474 .name = "cpu/steal_time_msr",
475 .version_id = 1,
476 .minimum_version_id = 1,
477 .needed = steal_time_msr_needed,
478 .fields = (const VMStateField[]) {
479 VMSTATE_UINT64(env.steal_time_msr, X86CPU),
480 VMSTATE_END_OF_LIST()
481 }
482 };
483
484 static const VMStateDescription vmstate_async_pf_msr = {
485 .name = "cpu/async_pf_msr",
486 .version_id = 1,
487 .minimum_version_id = 1,
488 .needed = async_pf_msr_needed,
489 .fields = (const VMStateField[]) {
490 VMSTATE_UINT64(env.async_pf_en_msr, X86CPU),
491 VMSTATE_END_OF_LIST()
492 }
493 };
494
495 static const VMStateDescription vmstate_async_pf_int_msr = {
496 .name = "cpu/async_pf_int_msr",
497 .version_id = 1,
498 .minimum_version_id = 1,
499 .needed = async_pf_int_msr_needed,
500 .fields = (const VMStateField[]) {
501 VMSTATE_UINT64(env.async_pf_int_msr, X86CPU),
502 VMSTATE_END_OF_LIST()
503 }
504 };
505
506 static const VMStateDescription vmstate_pv_eoi_msr = {
507 .name = "cpu/async_pv_eoi_msr",
508 .version_id = 1,
509 .minimum_version_id = 1,
510 .needed = pv_eoi_msr_needed,
511 .fields = (const VMStateField[]) {
512 VMSTATE_UINT64(env.pv_eoi_en_msr, X86CPU),
513 VMSTATE_END_OF_LIST()
514 }
515 };
516
517 static const VMStateDescription vmstate_poll_control_msr = {
518 .name = "cpu/poll_control_msr",
519 .version_id = 1,
520 .minimum_version_id = 1,
521 .needed = poll_control_msr_needed,
522 .fields = (const VMStateField[]) {
523 VMSTATE_UINT64(env.poll_control_msr, X86CPU),
524 VMSTATE_END_OF_LIST()
525 }
526 };
527
fpop_ip_dp_needed(void * opaque)528 static bool fpop_ip_dp_needed(void *opaque)
529 {
530 X86CPU *cpu = opaque;
531 CPUX86State *env = &cpu->env;
532
533 return env->fpop != 0 || env->fpip != 0 || env->fpdp != 0;
534 }
535
536 static const VMStateDescription vmstate_fpop_ip_dp = {
537 .name = "cpu/fpop_ip_dp",
538 .version_id = 1,
539 .minimum_version_id = 1,
540 .needed = fpop_ip_dp_needed,
541 .fields = (const VMStateField[]) {
542 VMSTATE_UINT16(env.fpop, X86CPU),
543 VMSTATE_UINT64(env.fpip, X86CPU),
544 VMSTATE_UINT64(env.fpdp, X86CPU),
545 VMSTATE_END_OF_LIST()
546 }
547 };
548
tsc_adjust_needed(void * opaque)549 static bool tsc_adjust_needed(void *opaque)
550 {
551 X86CPU *cpu = opaque;
552 CPUX86State *env = &cpu->env;
553
554 return env->tsc_adjust != 0;
555 }
556
557 static const VMStateDescription vmstate_msr_tsc_adjust = {
558 .name = "cpu/msr_tsc_adjust",
559 .version_id = 1,
560 .minimum_version_id = 1,
561 .needed = tsc_adjust_needed,
562 .fields = (const VMStateField[]) {
563 VMSTATE_UINT64(env.tsc_adjust, X86CPU),
564 VMSTATE_END_OF_LIST()
565 }
566 };
567
msr_smi_count_needed(void * opaque)568 static bool msr_smi_count_needed(void *opaque)
569 {
570 X86CPU *cpu = opaque;
571 CPUX86State *env = &cpu->env;
572
573 return cpu->migrate_smi_count && env->msr_smi_count != 0;
574 }
575
576 static const VMStateDescription vmstate_msr_smi_count = {
577 .name = "cpu/msr_smi_count",
578 .version_id = 1,
579 .minimum_version_id = 1,
580 .needed = msr_smi_count_needed,
581 .fields = (const VMStateField[]) {
582 VMSTATE_UINT64(env.msr_smi_count, X86CPU),
583 VMSTATE_END_OF_LIST()
584 }
585 };
586
tscdeadline_needed(void * opaque)587 static bool tscdeadline_needed(void *opaque)
588 {
589 X86CPU *cpu = opaque;
590 CPUX86State *env = &cpu->env;
591
592 return env->tsc_deadline != 0;
593 }
594
595 static const VMStateDescription vmstate_msr_tscdeadline = {
596 .name = "cpu/msr_tscdeadline",
597 .version_id = 1,
598 .minimum_version_id = 1,
599 .needed = tscdeadline_needed,
600 .fields = (const VMStateField[]) {
601 VMSTATE_UINT64(env.tsc_deadline, X86CPU),
602 VMSTATE_END_OF_LIST()
603 }
604 };
605
misc_enable_needed(void * opaque)606 static bool misc_enable_needed(void *opaque)
607 {
608 X86CPU *cpu = opaque;
609 CPUX86State *env = &cpu->env;
610
611 return env->msr_ia32_misc_enable != MSR_IA32_MISC_ENABLE_DEFAULT;
612 }
613
feature_control_needed(void * opaque)614 static bool feature_control_needed(void *opaque)
615 {
616 X86CPU *cpu = opaque;
617 CPUX86State *env = &cpu->env;
618
619 return env->msr_ia32_feature_control != 0;
620 }
621
622 static const VMStateDescription vmstate_msr_ia32_misc_enable = {
623 .name = "cpu/msr_ia32_misc_enable",
624 .version_id = 1,
625 .minimum_version_id = 1,
626 .needed = misc_enable_needed,
627 .fields = (const VMStateField[]) {
628 VMSTATE_UINT64(env.msr_ia32_misc_enable, X86CPU),
629 VMSTATE_END_OF_LIST()
630 }
631 };
632
633 static const VMStateDescription vmstate_msr_ia32_feature_control = {
634 .name = "cpu/msr_ia32_feature_control",
635 .version_id = 1,
636 .minimum_version_id = 1,
637 .needed = feature_control_needed,
638 .fields = (const VMStateField[]) {
639 VMSTATE_UINT64(env.msr_ia32_feature_control, X86CPU),
640 VMSTATE_END_OF_LIST()
641 }
642 };
643
pmu_enable_needed(void * opaque)644 static bool pmu_enable_needed(void *opaque)
645 {
646 X86CPU *cpu = opaque;
647 CPUX86State *env = &cpu->env;
648 int i;
649
650 if (env->msr_fixed_ctr_ctrl || env->msr_global_ctrl ||
651 env->msr_global_status || env->msr_global_ovf_ctrl) {
652 return true;
653 }
654 for (i = 0; i < MAX_FIXED_COUNTERS; i++) {
655 if (env->msr_fixed_counters[i]) {
656 return true;
657 }
658 }
659 for (i = 0; i < MAX_GP_COUNTERS; i++) {
660 if (env->msr_gp_counters[i] || env->msr_gp_evtsel[i]) {
661 return true;
662 }
663 }
664
665 return false;
666 }
667
668 static const VMStateDescription vmstate_msr_architectural_pmu = {
669 .name = "cpu/msr_architectural_pmu",
670 .version_id = 1,
671 .minimum_version_id = 1,
672 .needed = pmu_enable_needed,
673 .fields = (const VMStateField[]) {
674 VMSTATE_UINT64(env.msr_fixed_ctr_ctrl, X86CPU),
675 VMSTATE_UINT64(env.msr_global_ctrl, X86CPU),
676 VMSTATE_UINT64(env.msr_global_status, X86CPU),
677 VMSTATE_UINT64(env.msr_global_ovf_ctrl, X86CPU),
678 VMSTATE_UINT64_ARRAY(env.msr_fixed_counters, X86CPU, MAX_FIXED_COUNTERS),
679 VMSTATE_UINT64_ARRAY(env.msr_gp_counters, X86CPU, MAX_GP_COUNTERS),
680 VMSTATE_UINT64_ARRAY(env.msr_gp_evtsel, X86CPU, MAX_GP_COUNTERS),
681 VMSTATE_END_OF_LIST()
682 }
683 };
684
mpx_needed(void * opaque)685 static bool mpx_needed(void *opaque)
686 {
687 X86CPU *cpu = opaque;
688 CPUX86State *env = &cpu->env;
689 unsigned int i;
690
691 for (i = 0; i < 4; i++) {
692 if (env->bnd_regs[i].lb || env->bnd_regs[i].ub) {
693 return true;
694 }
695 }
696
697 if (env->bndcs_regs.cfgu || env->bndcs_regs.sts) {
698 return true;
699 }
700
701 return !!env->msr_bndcfgs;
702 }
703
704 static const VMStateDescription vmstate_mpx = {
705 .name = "cpu/mpx",
706 .version_id = 1,
707 .minimum_version_id = 1,
708 .needed = mpx_needed,
709 .fields = (const VMStateField[]) {
710 VMSTATE_BND_REGS(env.bnd_regs, X86CPU, 4),
711 VMSTATE_UINT64(env.bndcs_regs.cfgu, X86CPU),
712 VMSTATE_UINT64(env.bndcs_regs.sts, X86CPU),
713 VMSTATE_UINT64(env.msr_bndcfgs, X86CPU),
714 VMSTATE_END_OF_LIST()
715 }
716 };
717
hyperv_hypercall_enable_needed(void * opaque)718 static bool hyperv_hypercall_enable_needed(void *opaque)
719 {
720 X86CPU *cpu = opaque;
721 CPUX86State *env = &cpu->env;
722
723 return env->msr_hv_hypercall != 0 || env->msr_hv_guest_os_id != 0;
724 }
725
726 static const VMStateDescription vmstate_msr_hyperv_hypercall = {
727 .name = "cpu/msr_hyperv_hypercall",
728 .version_id = 1,
729 .minimum_version_id = 1,
730 .needed = hyperv_hypercall_enable_needed,
731 .fields = (const VMStateField[]) {
732 VMSTATE_UINT64(env.msr_hv_guest_os_id, X86CPU),
733 VMSTATE_UINT64(env.msr_hv_hypercall, X86CPU),
734 VMSTATE_END_OF_LIST()
735 }
736 };
737
hyperv_vapic_enable_needed(void * opaque)738 static bool hyperv_vapic_enable_needed(void *opaque)
739 {
740 X86CPU *cpu = opaque;
741 CPUX86State *env = &cpu->env;
742
743 return env->msr_hv_vapic != 0;
744 }
745
746 static const VMStateDescription vmstate_msr_hyperv_vapic = {
747 .name = "cpu/msr_hyperv_vapic",
748 .version_id = 1,
749 .minimum_version_id = 1,
750 .needed = hyperv_vapic_enable_needed,
751 .fields = (const VMStateField[]) {
752 VMSTATE_UINT64(env.msr_hv_vapic, X86CPU),
753 VMSTATE_END_OF_LIST()
754 }
755 };
756
hyperv_time_enable_needed(void * opaque)757 static bool hyperv_time_enable_needed(void *opaque)
758 {
759 X86CPU *cpu = opaque;
760 CPUX86State *env = &cpu->env;
761
762 return env->msr_hv_tsc != 0;
763 }
764
765 static const VMStateDescription vmstate_msr_hyperv_time = {
766 .name = "cpu/msr_hyperv_time",
767 .version_id = 1,
768 .minimum_version_id = 1,
769 .needed = hyperv_time_enable_needed,
770 .fields = (const VMStateField[]) {
771 VMSTATE_UINT64(env.msr_hv_tsc, X86CPU),
772 VMSTATE_END_OF_LIST()
773 }
774 };
775
hyperv_crash_enable_needed(void * opaque)776 static bool hyperv_crash_enable_needed(void *opaque)
777 {
778 X86CPU *cpu = opaque;
779 CPUX86State *env = &cpu->env;
780 int i;
781
782 for (i = 0; i < HV_CRASH_PARAMS; i++) {
783 if (env->msr_hv_crash_params[i]) {
784 return true;
785 }
786 }
787 return false;
788 }
789
790 static const VMStateDescription vmstate_msr_hyperv_crash = {
791 .name = "cpu/msr_hyperv_crash",
792 .version_id = 1,
793 .minimum_version_id = 1,
794 .needed = hyperv_crash_enable_needed,
795 .fields = (const VMStateField[]) {
796 VMSTATE_UINT64_ARRAY(env.msr_hv_crash_params, X86CPU, HV_CRASH_PARAMS),
797 VMSTATE_END_OF_LIST()
798 }
799 };
800
hyperv_runtime_enable_needed(void * opaque)801 static bool hyperv_runtime_enable_needed(void *opaque)
802 {
803 X86CPU *cpu = opaque;
804 CPUX86State *env = &cpu->env;
805
806 if (!hyperv_feat_enabled(cpu, HYPERV_FEAT_RUNTIME)) {
807 return false;
808 }
809
810 return env->msr_hv_runtime != 0;
811 }
812
813 static const VMStateDescription vmstate_msr_hyperv_runtime = {
814 .name = "cpu/msr_hyperv_runtime",
815 .version_id = 1,
816 .minimum_version_id = 1,
817 .needed = hyperv_runtime_enable_needed,
818 .fields = (const VMStateField[]) {
819 VMSTATE_UINT64(env.msr_hv_runtime, X86CPU),
820 VMSTATE_END_OF_LIST()
821 }
822 };
823
hyperv_synic_enable_needed(void * opaque)824 static bool hyperv_synic_enable_needed(void *opaque)
825 {
826 X86CPU *cpu = opaque;
827 CPUX86State *env = &cpu->env;
828 int i;
829
830 if (env->msr_hv_synic_control != 0 ||
831 env->msr_hv_synic_evt_page != 0 ||
832 env->msr_hv_synic_msg_page != 0) {
833 return true;
834 }
835
836 for (i = 0; i < ARRAY_SIZE(env->msr_hv_synic_sint); i++) {
837 if (env->msr_hv_synic_sint[i] != 0) {
838 return true;
839 }
840 }
841
842 return false;
843 }
844
hyperv_synic_post_load(void * opaque,int version_id)845 static int hyperv_synic_post_load(void *opaque, int version_id)
846 {
847 X86CPU *cpu = opaque;
848 hyperv_x86_synic_update(cpu);
849 return 0;
850 }
851
852 static const VMStateDescription vmstate_msr_hyperv_synic = {
853 .name = "cpu/msr_hyperv_synic",
854 .version_id = 1,
855 .minimum_version_id = 1,
856 .needed = hyperv_synic_enable_needed,
857 .post_load = hyperv_synic_post_load,
858 .fields = (const VMStateField[]) {
859 VMSTATE_UINT64(env.msr_hv_synic_control, X86CPU),
860 VMSTATE_UINT64(env.msr_hv_synic_evt_page, X86CPU),
861 VMSTATE_UINT64(env.msr_hv_synic_msg_page, X86CPU),
862 VMSTATE_UINT64_ARRAY(env.msr_hv_synic_sint, X86CPU, HV_SINT_COUNT),
863 VMSTATE_END_OF_LIST()
864 }
865 };
866
hyperv_stimer_enable_needed(void * opaque)867 static bool hyperv_stimer_enable_needed(void *opaque)
868 {
869 X86CPU *cpu = opaque;
870 CPUX86State *env = &cpu->env;
871 int i;
872
873 for (i = 0; i < ARRAY_SIZE(env->msr_hv_stimer_config); i++) {
874 if (env->msr_hv_stimer_config[i] || env->msr_hv_stimer_count[i]) {
875 return true;
876 }
877 }
878 return false;
879 }
880
881 static const VMStateDescription vmstate_msr_hyperv_stimer = {
882 .name = "cpu/msr_hyperv_stimer",
883 .version_id = 1,
884 .minimum_version_id = 1,
885 .needed = hyperv_stimer_enable_needed,
886 .fields = (const VMStateField[]) {
887 VMSTATE_UINT64_ARRAY(env.msr_hv_stimer_config, X86CPU,
888 HV_STIMER_COUNT),
889 VMSTATE_UINT64_ARRAY(env.msr_hv_stimer_count, X86CPU, HV_STIMER_COUNT),
890 VMSTATE_END_OF_LIST()
891 }
892 };
893
hyperv_reenlightenment_enable_needed(void * opaque)894 static bool hyperv_reenlightenment_enable_needed(void *opaque)
895 {
896 X86CPU *cpu = opaque;
897 CPUX86State *env = &cpu->env;
898
899 return env->msr_hv_reenlightenment_control != 0 ||
900 env->msr_hv_tsc_emulation_control != 0 ||
901 env->msr_hv_tsc_emulation_status != 0;
902 }
903
hyperv_reenlightenment_post_load(void * opaque,int version_id)904 static int hyperv_reenlightenment_post_load(void *opaque, int version_id)
905 {
906 X86CPU *cpu = opaque;
907 CPUX86State *env = &cpu->env;
908
909 /*
910 * KVM doesn't fully support re-enlightenment notifications so we need to
911 * make sure TSC frequency doesn't change upon migration.
912 */
913 if ((env->msr_hv_reenlightenment_control & HV_REENLIGHTENMENT_ENABLE_BIT) &&
914 !env->user_tsc_khz) {
915 error_report("Guest enabled re-enlightenment notifications, "
916 "'tsc-frequency=' has to be specified");
917 return -EINVAL;
918 }
919
920 return 0;
921 }
922
923 static const VMStateDescription vmstate_msr_hyperv_reenlightenment = {
924 .name = "cpu/msr_hyperv_reenlightenment",
925 .version_id = 1,
926 .minimum_version_id = 1,
927 .needed = hyperv_reenlightenment_enable_needed,
928 .post_load = hyperv_reenlightenment_post_load,
929 .fields = (const VMStateField[]) {
930 VMSTATE_UINT64(env.msr_hv_reenlightenment_control, X86CPU),
931 VMSTATE_UINT64(env.msr_hv_tsc_emulation_control, X86CPU),
932 VMSTATE_UINT64(env.msr_hv_tsc_emulation_status, X86CPU),
933 VMSTATE_END_OF_LIST()
934 }
935 };
936
avx512_needed(void * opaque)937 static bool avx512_needed(void *opaque)
938 {
939 X86CPU *cpu = opaque;
940 CPUX86State *env = &cpu->env;
941 unsigned int i;
942
943 for (i = 0; i < NB_OPMASK_REGS; i++) {
944 if (env->opmask_regs[i]) {
945 return true;
946 }
947 }
948
949 for (i = 0; i < CPU_NB_REGS; i++) {
950 #define ENV_XMM(reg, field) (env->xmm_regs[reg].ZMM_Q(field))
951 if (ENV_XMM(i, 4) || ENV_XMM(i, 6) ||
952 ENV_XMM(i, 5) || ENV_XMM(i, 7)) {
953 return true;
954 }
955 #ifdef TARGET_X86_64
956 if (ENV_XMM(i+16, 0) || ENV_XMM(i+16, 1) ||
957 ENV_XMM(i+16, 2) || ENV_XMM(i+16, 3) ||
958 ENV_XMM(i+16, 4) || ENV_XMM(i+16, 5) ||
959 ENV_XMM(i+16, 6) || ENV_XMM(i+16, 7)) {
960 return true;
961 }
962 #endif
963 }
964
965 return false;
966 }
967
968 static const VMStateDescription vmstate_avx512 = {
969 .name = "cpu/avx512",
970 .version_id = 1,
971 .minimum_version_id = 1,
972 .needed = avx512_needed,
973 .fields = (const VMStateField[]) {
974 VMSTATE_UINT64_ARRAY(env.opmask_regs, X86CPU, NB_OPMASK_REGS),
975 VMSTATE_ZMMH_REGS_VARS(env.xmm_regs, X86CPU, 0),
976 #ifdef TARGET_X86_64
977 VMSTATE_Hi16_ZMM_REGS_VARS(env.xmm_regs, X86CPU, 16),
978 #endif
979 VMSTATE_END_OF_LIST()
980 }
981 };
982
xss_needed(void * opaque)983 static bool xss_needed(void *opaque)
984 {
985 X86CPU *cpu = opaque;
986 CPUX86State *env = &cpu->env;
987
988 return env->xss != 0;
989 }
990
991 static const VMStateDescription vmstate_xss = {
992 .name = "cpu/xss",
993 .version_id = 1,
994 .minimum_version_id = 1,
995 .needed = xss_needed,
996 .fields = (const VMStateField[]) {
997 VMSTATE_UINT64(env.xss, X86CPU),
998 VMSTATE_END_OF_LIST()
999 }
1000 };
1001
umwait_needed(void * opaque)1002 static bool umwait_needed(void *opaque)
1003 {
1004 X86CPU *cpu = opaque;
1005 CPUX86State *env = &cpu->env;
1006
1007 return env->umwait != 0;
1008 }
1009
1010 static const VMStateDescription vmstate_umwait = {
1011 .name = "cpu/umwait",
1012 .version_id = 1,
1013 .minimum_version_id = 1,
1014 .needed = umwait_needed,
1015 .fields = (const VMStateField[]) {
1016 VMSTATE_UINT32(env.umwait, X86CPU),
1017 VMSTATE_END_OF_LIST()
1018 }
1019 };
1020
pkru_needed(void * opaque)1021 static bool pkru_needed(void *opaque)
1022 {
1023 X86CPU *cpu = opaque;
1024 CPUX86State *env = &cpu->env;
1025
1026 return env->pkru != 0;
1027 }
1028
1029 static const VMStateDescription vmstate_pkru = {
1030 .name = "cpu/pkru",
1031 .version_id = 1,
1032 .minimum_version_id = 1,
1033 .needed = pkru_needed,
1034 .fields = (const VMStateField[]){
1035 VMSTATE_UINT32(env.pkru, X86CPU),
1036 VMSTATE_END_OF_LIST()
1037 }
1038 };
1039
pkrs_needed(void * opaque)1040 static bool pkrs_needed(void *opaque)
1041 {
1042 X86CPU *cpu = opaque;
1043 CPUX86State *env = &cpu->env;
1044
1045 return env->pkrs != 0;
1046 }
1047
1048 static const VMStateDescription vmstate_pkrs = {
1049 .name = "cpu/pkrs",
1050 .version_id = 1,
1051 .minimum_version_id = 1,
1052 .needed = pkrs_needed,
1053 .fields = (const VMStateField[]){
1054 VMSTATE_UINT32(env.pkrs, X86CPU),
1055 VMSTATE_END_OF_LIST()
1056 }
1057 };
1058
tsc_khz_needed(void * opaque)1059 static bool tsc_khz_needed(void *opaque)
1060 {
1061 X86CPU *cpu = opaque;
1062 CPUX86State *env = &cpu->env;
1063 MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
1064 X86MachineClass *x86mc = X86_MACHINE_CLASS(mc);
1065 return env->tsc_khz && x86mc->save_tsc_khz;
1066 }
1067
1068 static const VMStateDescription vmstate_tsc_khz = {
1069 .name = "cpu/tsc_khz",
1070 .version_id = 1,
1071 .minimum_version_id = 1,
1072 .needed = tsc_khz_needed,
1073 .fields = (const VMStateField[]) {
1074 VMSTATE_INT64(env.tsc_khz, X86CPU),
1075 VMSTATE_END_OF_LIST()
1076 }
1077 };
1078
1079 #ifdef CONFIG_KVM
1080
vmx_vmcs12_needed(void * opaque)1081 static bool vmx_vmcs12_needed(void *opaque)
1082 {
1083 struct kvm_nested_state *nested_state = opaque;
1084 return (nested_state->size >
1085 offsetof(struct kvm_nested_state, data.vmx[0].vmcs12));
1086 }
1087
1088 static const VMStateDescription vmstate_vmx_vmcs12 = {
1089 .name = "cpu/kvm_nested_state/vmx/vmcs12",
1090 .version_id = 1,
1091 .minimum_version_id = 1,
1092 .needed = vmx_vmcs12_needed,
1093 .fields = (const VMStateField[]) {
1094 VMSTATE_UINT8_ARRAY(data.vmx[0].vmcs12,
1095 struct kvm_nested_state,
1096 KVM_STATE_NESTED_VMX_VMCS_SIZE),
1097 VMSTATE_END_OF_LIST()
1098 }
1099 };
1100
vmx_shadow_vmcs12_needed(void * opaque)1101 static bool vmx_shadow_vmcs12_needed(void *opaque)
1102 {
1103 struct kvm_nested_state *nested_state = opaque;
1104 return (nested_state->size >
1105 offsetof(struct kvm_nested_state, data.vmx[0].shadow_vmcs12));
1106 }
1107
1108 static const VMStateDescription vmstate_vmx_shadow_vmcs12 = {
1109 .name = "cpu/kvm_nested_state/vmx/shadow_vmcs12",
1110 .version_id = 1,
1111 .minimum_version_id = 1,
1112 .needed = vmx_shadow_vmcs12_needed,
1113 .fields = (const VMStateField[]) {
1114 VMSTATE_UINT8_ARRAY(data.vmx[0].shadow_vmcs12,
1115 struct kvm_nested_state,
1116 KVM_STATE_NESTED_VMX_VMCS_SIZE),
1117 VMSTATE_END_OF_LIST()
1118 }
1119 };
1120
vmx_nested_state_needed(void * opaque)1121 static bool vmx_nested_state_needed(void *opaque)
1122 {
1123 struct kvm_nested_state *nested_state = opaque;
1124
1125 return (nested_state->format == KVM_STATE_NESTED_FORMAT_VMX &&
1126 nested_state->hdr.vmx.vmxon_pa != -1ull);
1127 }
1128
1129 static const VMStateDescription vmstate_vmx_nested_state = {
1130 .name = "cpu/kvm_nested_state/vmx",
1131 .version_id = 1,
1132 .minimum_version_id = 1,
1133 .needed = vmx_nested_state_needed,
1134 .fields = (const VMStateField[]) {
1135 VMSTATE_U64(hdr.vmx.vmxon_pa, struct kvm_nested_state),
1136 VMSTATE_U64(hdr.vmx.vmcs12_pa, struct kvm_nested_state),
1137 VMSTATE_U16(hdr.vmx.smm.flags, struct kvm_nested_state),
1138 VMSTATE_END_OF_LIST()
1139 },
1140 .subsections = (const VMStateDescription * const []) {
1141 &vmstate_vmx_vmcs12,
1142 &vmstate_vmx_shadow_vmcs12,
1143 NULL,
1144 }
1145 };
1146
svm_nested_state_needed(void * opaque)1147 static bool svm_nested_state_needed(void *opaque)
1148 {
1149 struct kvm_nested_state *nested_state = opaque;
1150
1151 /*
1152 * HF_GUEST_MASK and HF2_GIF_MASK are already serialized
1153 * via hflags and hflags2, all that's left is the opaque
1154 * nested state blob.
1155 */
1156 return (nested_state->format == KVM_STATE_NESTED_FORMAT_SVM &&
1157 nested_state->size > offsetof(struct kvm_nested_state, data));
1158 }
1159
1160 static const VMStateDescription vmstate_svm_nested_state = {
1161 .name = "cpu/kvm_nested_state/svm",
1162 .version_id = 1,
1163 .minimum_version_id = 1,
1164 .needed = svm_nested_state_needed,
1165 .fields = (const VMStateField[]) {
1166 VMSTATE_U64(hdr.svm.vmcb_pa, struct kvm_nested_state),
1167 VMSTATE_UINT8_ARRAY(data.svm[0].vmcb12,
1168 struct kvm_nested_state,
1169 KVM_STATE_NESTED_SVM_VMCB_SIZE),
1170 VMSTATE_END_OF_LIST()
1171 }
1172 };
1173
nested_state_needed(void * opaque)1174 static bool nested_state_needed(void *opaque)
1175 {
1176 X86CPU *cpu = opaque;
1177 CPUX86State *env = &cpu->env;
1178
1179 return (env->nested_state &&
1180 (vmx_nested_state_needed(env->nested_state) ||
1181 svm_nested_state_needed(env->nested_state)));
1182 }
1183
nested_state_post_load(void * opaque,int version_id)1184 static int nested_state_post_load(void *opaque, int version_id)
1185 {
1186 X86CPU *cpu = opaque;
1187 CPUX86State *env = &cpu->env;
1188 struct kvm_nested_state *nested_state = env->nested_state;
1189 int min_nested_state_len = offsetof(struct kvm_nested_state, data);
1190 int max_nested_state_len = kvm_max_nested_state_length();
1191
1192 /*
1193 * If our kernel don't support setting nested state
1194 * and we have received nested state from migration stream,
1195 * we need to fail migration
1196 */
1197 if (max_nested_state_len <= 0) {
1198 error_report("Received nested state when kernel cannot restore it");
1199 return -EINVAL;
1200 }
1201
1202 /*
1203 * Verify that the size of received nested_state struct
1204 * at least cover required header and is not larger
1205 * than the max size that our kernel support
1206 */
1207 if (nested_state->size < min_nested_state_len) {
1208 error_report("Received nested state size less than min: "
1209 "len=%d, min=%d",
1210 nested_state->size, min_nested_state_len);
1211 return -EINVAL;
1212 }
1213 if (nested_state->size > max_nested_state_len) {
1214 error_report("Received unsupported nested state size: "
1215 "nested_state->size=%d, max=%d",
1216 nested_state->size, max_nested_state_len);
1217 return -EINVAL;
1218 }
1219
1220 /* Verify format is valid */
1221 if ((nested_state->format != KVM_STATE_NESTED_FORMAT_VMX) &&
1222 (nested_state->format != KVM_STATE_NESTED_FORMAT_SVM)) {
1223 error_report("Received invalid nested state format: %d",
1224 nested_state->format);
1225 return -EINVAL;
1226 }
1227
1228 return 0;
1229 }
1230
1231 static const VMStateDescription vmstate_kvm_nested_state = {
1232 .name = "cpu/kvm_nested_state",
1233 .version_id = 1,
1234 .minimum_version_id = 1,
1235 .fields = (const VMStateField[]) {
1236 VMSTATE_U16(flags, struct kvm_nested_state),
1237 VMSTATE_U16(format, struct kvm_nested_state),
1238 VMSTATE_U32(size, struct kvm_nested_state),
1239 VMSTATE_END_OF_LIST()
1240 },
1241 .subsections = (const VMStateDescription * const []) {
1242 &vmstate_vmx_nested_state,
1243 &vmstate_svm_nested_state,
1244 NULL
1245 }
1246 };
1247
1248 static const VMStateDescription vmstate_nested_state = {
1249 .name = "cpu/nested_state",
1250 .version_id = 1,
1251 .minimum_version_id = 1,
1252 .needed = nested_state_needed,
1253 .post_load = nested_state_post_load,
1254 .fields = (const VMStateField[]) {
1255 VMSTATE_STRUCT_POINTER(env.nested_state, X86CPU,
1256 vmstate_kvm_nested_state,
1257 struct kvm_nested_state),
1258 VMSTATE_END_OF_LIST()
1259 }
1260 };
1261
xen_vcpu_needed(void * opaque)1262 static bool xen_vcpu_needed(void *opaque)
1263 {
1264 return (xen_mode == XEN_EMULATE);
1265 }
1266
1267 static const VMStateDescription vmstate_xen_vcpu = {
1268 .name = "cpu/xen_vcpu",
1269 .version_id = 1,
1270 .minimum_version_id = 1,
1271 .needed = xen_vcpu_needed,
1272 .fields = (const VMStateField[]) {
1273 VMSTATE_UINT64(env.xen_vcpu_info_gpa, X86CPU),
1274 VMSTATE_UINT64(env.xen_vcpu_info_default_gpa, X86CPU),
1275 VMSTATE_UINT64(env.xen_vcpu_time_info_gpa, X86CPU),
1276 VMSTATE_UINT64(env.xen_vcpu_runstate_gpa, X86CPU),
1277 VMSTATE_UINT8(env.xen_vcpu_callback_vector, X86CPU),
1278 VMSTATE_UINT16_ARRAY(env.xen_virq, X86CPU, XEN_NR_VIRQS),
1279 VMSTATE_UINT64(env.xen_singleshot_timer_ns, X86CPU),
1280 VMSTATE_UINT64(env.xen_periodic_timer_period, X86CPU),
1281 VMSTATE_END_OF_LIST()
1282 }
1283 };
1284 #endif
1285
mcg_ext_ctl_needed(void * opaque)1286 static bool mcg_ext_ctl_needed(void *opaque)
1287 {
1288 X86CPU *cpu = opaque;
1289 CPUX86State *env = &cpu->env;
1290 return cpu->enable_lmce && env->mcg_ext_ctl;
1291 }
1292
1293 static const VMStateDescription vmstate_mcg_ext_ctl = {
1294 .name = "cpu/mcg_ext_ctl",
1295 .version_id = 1,
1296 .minimum_version_id = 1,
1297 .needed = mcg_ext_ctl_needed,
1298 .fields = (const VMStateField[]) {
1299 VMSTATE_UINT64(env.mcg_ext_ctl, X86CPU),
1300 VMSTATE_END_OF_LIST()
1301 }
1302 };
1303
spec_ctrl_needed(void * opaque)1304 static bool spec_ctrl_needed(void *opaque)
1305 {
1306 X86CPU *cpu = opaque;
1307 CPUX86State *env = &cpu->env;
1308
1309 return env->spec_ctrl != 0;
1310 }
1311
1312 static const VMStateDescription vmstate_spec_ctrl = {
1313 .name = "cpu/spec_ctrl",
1314 .version_id = 1,
1315 .minimum_version_id = 1,
1316 .needed = spec_ctrl_needed,
1317 .fields = (const VMStateField[]){
1318 VMSTATE_UINT64(env.spec_ctrl, X86CPU),
1319 VMSTATE_END_OF_LIST()
1320 }
1321 };
1322
1323
amd_tsc_scale_msr_needed(void * opaque)1324 static bool amd_tsc_scale_msr_needed(void *opaque)
1325 {
1326 X86CPU *cpu = opaque;
1327 CPUX86State *env = &cpu->env;
1328
1329 return (env->features[FEAT_SVM] & CPUID_SVM_TSCSCALE);
1330 }
1331
1332 static const VMStateDescription amd_tsc_scale_msr_ctrl = {
1333 .name = "cpu/amd_tsc_scale_msr",
1334 .version_id = 1,
1335 .minimum_version_id = 1,
1336 .needed = amd_tsc_scale_msr_needed,
1337 .fields = (const VMStateField[]){
1338 VMSTATE_UINT64(env.amd_tsc_scale_msr, X86CPU),
1339 VMSTATE_END_OF_LIST()
1340 }
1341 };
1342
1343
intel_pt_enable_needed(void * opaque)1344 static bool intel_pt_enable_needed(void *opaque)
1345 {
1346 X86CPU *cpu = opaque;
1347 CPUX86State *env = &cpu->env;
1348 int i;
1349
1350 if (env->msr_rtit_ctrl || env->msr_rtit_status ||
1351 env->msr_rtit_output_base || env->msr_rtit_output_mask ||
1352 env->msr_rtit_cr3_match) {
1353 return true;
1354 }
1355
1356 for (i = 0; i < MAX_RTIT_ADDRS; i++) {
1357 if (env->msr_rtit_addrs[i]) {
1358 return true;
1359 }
1360 }
1361
1362 return false;
1363 }
1364
1365 static const VMStateDescription vmstate_msr_intel_pt = {
1366 .name = "cpu/intel_pt",
1367 .version_id = 1,
1368 .minimum_version_id = 1,
1369 .needed = intel_pt_enable_needed,
1370 .fields = (const VMStateField[]) {
1371 VMSTATE_UINT64(env.msr_rtit_ctrl, X86CPU),
1372 VMSTATE_UINT64(env.msr_rtit_status, X86CPU),
1373 VMSTATE_UINT64(env.msr_rtit_output_base, X86CPU),
1374 VMSTATE_UINT64(env.msr_rtit_output_mask, X86CPU),
1375 VMSTATE_UINT64(env.msr_rtit_cr3_match, X86CPU),
1376 VMSTATE_UINT64_ARRAY(env.msr_rtit_addrs, X86CPU, MAX_RTIT_ADDRS),
1377 VMSTATE_END_OF_LIST()
1378 }
1379 };
1380
virt_ssbd_needed(void * opaque)1381 static bool virt_ssbd_needed(void *opaque)
1382 {
1383 X86CPU *cpu = opaque;
1384 CPUX86State *env = &cpu->env;
1385
1386 return env->virt_ssbd != 0;
1387 }
1388
1389 static const VMStateDescription vmstate_msr_virt_ssbd = {
1390 .name = "cpu/virt_ssbd",
1391 .version_id = 1,
1392 .minimum_version_id = 1,
1393 .needed = virt_ssbd_needed,
1394 .fields = (const VMStateField[]){
1395 VMSTATE_UINT64(env.virt_ssbd, X86CPU),
1396 VMSTATE_END_OF_LIST()
1397 }
1398 };
1399
svm_npt_needed(void * opaque)1400 static bool svm_npt_needed(void *opaque)
1401 {
1402 X86CPU *cpu = opaque;
1403 CPUX86State *env = &cpu->env;
1404
1405 return !!(env->hflags2 & HF2_NPT_MASK);
1406 }
1407
1408 static const VMStateDescription vmstate_svm_npt = {
1409 .name = "cpu/svn_npt",
1410 .version_id = 1,
1411 .minimum_version_id = 1,
1412 .needed = svm_npt_needed,
1413 .fields = (const VMStateField[]){
1414 VMSTATE_UINT64(env.nested_cr3, X86CPU),
1415 VMSTATE_UINT32(env.nested_pg_mode, X86CPU),
1416 VMSTATE_END_OF_LIST()
1417 }
1418 };
1419
svm_guest_needed(void * opaque)1420 static bool svm_guest_needed(void *opaque)
1421 {
1422 X86CPU *cpu = opaque;
1423 CPUX86State *env = &cpu->env;
1424
1425 return tcg_enabled() && env->int_ctl;
1426 }
1427
1428 static const VMStateDescription vmstate_svm_guest = {
1429 .name = "cpu/svm_guest",
1430 .version_id = 1,
1431 .minimum_version_id = 1,
1432 .needed = svm_guest_needed,
1433 .fields = (const VMStateField[]){
1434 VMSTATE_UINT32(env.int_ctl, X86CPU),
1435 VMSTATE_END_OF_LIST()
1436 }
1437 };
1438
1439 #ifndef TARGET_X86_64
intel_efer32_needed(void * opaque)1440 static bool intel_efer32_needed(void *opaque)
1441 {
1442 X86CPU *cpu = opaque;
1443 CPUX86State *env = &cpu->env;
1444
1445 return env->efer != 0;
1446 }
1447
1448 static const VMStateDescription vmstate_efer32 = {
1449 .name = "cpu/efer32",
1450 .version_id = 1,
1451 .minimum_version_id = 1,
1452 .needed = intel_efer32_needed,
1453 .fields = (const VMStateField[]) {
1454 VMSTATE_UINT64(env.efer, X86CPU),
1455 VMSTATE_END_OF_LIST()
1456 }
1457 };
1458 #endif
1459
msr_tsx_ctrl_needed(void * opaque)1460 static bool msr_tsx_ctrl_needed(void *opaque)
1461 {
1462 X86CPU *cpu = opaque;
1463 CPUX86State *env = &cpu->env;
1464
1465 return env->features[FEAT_ARCH_CAPABILITIES] & ARCH_CAP_TSX_CTRL_MSR;
1466 }
1467
1468 static const VMStateDescription vmstate_msr_tsx_ctrl = {
1469 .name = "cpu/msr_tsx_ctrl",
1470 .version_id = 1,
1471 .minimum_version_id = 1,
1472 .needed = msr_tsx_ctrl_needed,
1473 .fields = (const VMStateField[]) {
1474 VMSTATE_UINT32(env.tsx_ctrl, X86CPU),
1475 VMSTATE_END_OF_LIST()
1476 }
1477 };
1478
intel_sgx_msrs_needed(void * opaque)1479 static bool intel_sgx_msrs_needed(void *opaque)
1480 {
1481 X86CPU *cpu = opaque;
1482 CPUX86State *env = &cpu->env;
1483
1484 return !!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_SGX_LC);
1485 }
1486
1487 static const VMStateDescription vmstate_msr_intel_sgx = {
1488 .name = "cpu/intel_sgx",
1489 .version_id = 1,
1490 .minimum_version_id = 1,
1491 .needed = intel_sgx_msrs_needed,
1492 .fields = (const VMStateField[]) {
1493 VMSTATE_UINT64_ARRAY(env.msr_ia32_sgxlepubkeyhash, X86CPU, 4),
1494 VMSTATE_END_OF_LIST()
1495 }
1496 };
1497
pdptrs_needed(void * opaque)1498 static bool pdptrs_needed(void *opaque)
1499 {
1500 X86CPU *cpu = opaque;
1501 CPUX86State *env = &cpu->env;
1502 return env->pdptrs_valid;
1503 }
1504
pdptrs_post_load(void * opaque,int version_id)1505 static int pdptrs_post_load(void *opaque, int version_id)
1506 {
1507 X86CPU *cpu = opaque;
1508 CPUX86State *env = &cpu->env;
1509 env->pdptrs_valid = true;
1510 return 0;
1511 }
1512
1513
1514 static const VMStateDescription vmstate_pdptrs = {
1515 .name = "cpu/pdptrs",
1516 .version_id = 1,
1517 .minimum_version_id = 1,
1518 .needed = pdptrs_needed,
1519 .post_load = pdptrs_post_load,
1520 .fields = (const VMStateField[]) {
1521 VMSTATE_UINT64_ARRAY(env.pdptrs, X86CPU, 4),
1522 VMSTATE_END_OF_LIST()
1523 }
1524 };
1525
xfd_msrs_needed(void * opaque)1526 static bool xfd_msrs_needed(void *opaque)
1527 {
1528 X86CPU *cpu = opaque;
1529 CPUX86State *env = &cpu->env;
1530
1531 return !!(env->features[FEAT_XSAVE] & CPUID_D_1_EAX_XFD);
1532 }
1533
1534 static const VMStateDescription vmstate_msr_xfd = {
1535 .name = "cpu/msr_xfd",
1536 .version_id = 1,
1537 .minimum_version_id = 1,
1538 .needed = xfd_msrs_needed,
1539 .fields = (const VMStateField[]) {
1540 VMSTATE_UINT64(env.msr_xfd, X86CPU),
1541 VMSTATE_UINT64(env.msr_xfd_err, X86CPU),
1542 VMSTATE_END_OF_LIST()
1543 }
1544 };
1545
1546 #ifdef TARGET_X86_64
intel_fred_msrs_needed(void * opaque)1547 static bool intel_fred_msrs_needed(void *opaque)
1548 {
1549 X86CPU *cpu = opaque;
1550 CPUX86State *env = &cpu->env;
1551
1552 return !!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_FRED);
1553 }
1554
1555 static const VMStateDescription vmstate_msr_fred = {
1556 .name = "cpu/fred",
1557 .version_id = 1,
1558 .minimum_version_id = 1,
1559 .needed = intel_fred_msrs_needed,
1560 .fields = (VMStateField[]) {
1561 VMSTATE_UINT64(env.fred_rsp0, X86CPU),
1562 VMSTATE_UINT64(env.fred_rsp1, X86CPU),
1563 VMSTATE_UINT64(env.fred_rsp2, X86CPU),
1564 VMSTATE_UINT64(env.fred_rsp3, X86CPU),
1565 VMSTATE_UINT64(env.fred_stklvls, X86CPU),
1566 VMSTATE_UINT64(env.fred_ssp1, X86CPU),
1567 VMSTATE_UINT64(env.fred_ssp2, X86CPU),
1568 VMSTATE_UINT64(env.fred_ssp3, X86CPU),
1569 VMSTATE_UINT64(env.fred_config, X86CPU),
1570 VMSTATE_END_OF_LIST()
1571 }
1572 };
1573
amx_xtile_needed(void * opaque)1574 static bool amx_xtile_needed(void *opaque)
1575 {
1576 X86CPU *cpu = opaque;
1577 CPUX86State *env = &cpu->env;
1578
1579 return !!(env->features[FEAT_7_0_EDX] & CPUID_7_0_EDX_AMX_TILE);
1580 }
1581
1582 static const VMStateDescription vmstate_amx_xtile = {
1583 .name = "cpu/intel_amx_xtile",
1584 .version_id = 1,
1585 .minimum_version_id = 1,
1586 .needed = amx_xtile_needed,
1587 .fields = (const VMStateField[]) {
1588 VMSTATE_UINT8_ARRAY(env.xtilecfg, X86CPU, 64),
1589 VMSTATE_UINT8_ARRAY(env.xtiledata, X86CPU, 8192),
1590 VMSTATE_END_OF_LIST()
1591 }
1592 };
1593 #endif
1594
arch_lbr_needed(void * opaque)1595 static bool arch_lbr_needed(void *opaque)
1596 {
1597 X86CPU *cpu = opaque;
1598 CPUX86State *env = &cpu->env;
1599
1600 return !!(env->features[FEAT_7_0_EDX] & CPUID_7_0_EDX_ARCH_LBR);
1601 }
1602
1603 static const VMStateDescription vmstate_arch_lbr = {
1604 .name = "cpu/arch_lbr",
1605 .version_id = 1,
1606 .minimum_version_id = 1,
1607 .needed = arch_lbr_needed,
1608 .fields = (const VMStateField[]) {
1609 VMSTATE_UINT64(env.msr_lbr_ctl, X86CPU),
1610 VMSTATE_UINT64(env.msr_lbr_depth, X86CPU),
1611 VMSTATE_LBR_VARS(env.lbr_records, X86CPU, ARCH_LBR_NR_ENTRIES, 1),
1612 VMSTATE_END_OF_LIST()
1613 }
1614 };
1615
triple_fault_needed(void * opaque)1616 static bool triple_fault_needed(void *opaque)
1617 {
1618 X86CPU *cpu = opaque;
1619 CPUX86State *env = &cpu->env;
1620
1621 return env->triple_fault_pending;
1622 }
1623
1624 static const VMStateDescription vmstate_triple_fault = {
1625 .name = "cpu/triple_fault",
1626 .version_id = 1,
1627 .minimum_version_id = 1,
1628 .needed = triple_fault_needed,
1629 .fields = (const VMStateField[]) {
1630 VMSTATE_UINT8(env.triple_fault_pending, X86CPU),
1631 VMSTATE_END_OF_LIST()
1632 }
1633 };
1634
1635 const VMStateDescription vmstate_x86_cpu = {
1636 .name = "cpu",
1637 .version_id = 12,
1638 .minimum_version_id = 11,
1639 .pre_save = cpu_pre_save,
1640 .post_load = cpu_post_load,
1641 .fields = (const VMStateField[]) {
1642 VMSTATE_UINTTL_ARRAY(env.regs, X86CPU, CPU_NB_REGS),
1643 VMSTATE_UINTTL(env.eip, X86CPU),
1644 VMSTATE_UINTTL(env.eflags, X86CPU),
1645 VMSTATE_UINT32(env.hflags, X86CPU),
1646 /* FPU */
1647 VMSTATE_UINT16(env.fpuc, X86CPU),
1648 VMSTATE_UINT16(env.fpus_vmstate, X86CPU),
1649 VMSTATE_UINT16(env.fptag_vmstate, X86CPU),
1650 VMSTATE_UINT16(env.fpregs_format_vmstate, X86CPU),
1651
1652 VMSTATE_STRUCT_ARRAY(env.fpregs, X86CPU, 8, 0, vmstate_fpreg, FPReg),
1653
1654 VMSTATE_SEGMENT_ARRAY(env.segs, X86CPU, 6),
1655 VMSTATE_SEGMENT(env.ldt, X86CPU),
1656 VMSTATE_SEGMENT(env.tr, X86CPU),
1657 VMSTATE_SEGMENT(env.gdt, X86CPU),
1658 VMSTATE_SEGMENT(env.idt, X86CPU),
1659
1660 VMSTATE_UINT32(env.sysenter_cs, X86CPU),
1661 VMSTATE_UINTTL(env.sysenter_esp, X86CPU),
1662 VMSTATE_UINTTL(env.sysenter_eip, X86CPU),
1663
1664 VMSTATE_UINTTL(env.cr[0], X86CPU),
1665 VMSTATE_UINTTL(env.cr[2], X86CPU),
1666 VMSTATE_UINTTL(env.cr[3], X86CPU),
1667 VMSTATE_UINTTL(env.cr[4], X86CPU),
1668 VMSTATE_UINTTL_ARRAY(env.dr, X86CPU, 8),
1669 /* MMU */
1670 VMSTATE_INT32(env.a20_mask, X86CPU),
1671 /* XMM */
1672 VMSTATE_UINT32(env.mxcsr, X86CPU),
1673 VMSTATE_XMM_REGS(env.xmm_regs, X86CPU, 0),
1674
1675 #ifdef TARGET_X86_64
1676 VMSTATE_UINT64(env.efer, X86CPU),
1677 VMSTATE_UINT64(env.star, X86CPU),
1678 VMSTATE_UINT64(env.lstar, X86CPU),
1679 VMSTATE_UINT64(env.cstar, X86CPU),
1680 VMSTATE_UINT64(env.fmask, X86CPU),
1681 VMSTATE_UINT64(env.kernelgsbase, X86CPU),
1682 #endif
1683 VMSTATE_UINT32(env.smbase, X86CPU),
1684
1685 VMSTATE_UINT64(env.pat, X86CPU),
1686 VMSTATE_UINT32(env.hflags2, X86CPU),
1687
1688 VMSTATE_UINT64(env.vm_hsave, X86CPU),
1689 VMSTATE_UINT64(env.vm_vmcb, X86CPU),
1690 VMSTATE_UINT64(env.tsc_offset, X86CPU),
1691 VMSTATE_UINT64(env.intercept, X86CPU),
1692 VMSTATE_UINT16(env.intercept_cr_read, X86CPU),
1693 VMSTATE_UINT16(env.intercept_cr_write, X86CPU),
1694 VMSTATE_UINT16(env.intercept_dr_read, X86CPU),
1695 VMSTATE_UINT16(env.intercept_dr_write, X86CPU),
1696 VMSTATE_UINT32(env.intercept_exceptions, X86CPU),
1697 VMSTATE_UINT8(env.v_tpr, X86CPU),
1698 /* MTRRs */
1699 VMSTATE_UINT64_ARRAY(env.mtrr_fixed, X86CPU, 11),
1700 VMSTATE_UINT64(env.mtrr_deftype, X86CPU),
1701 VMSTATE_MTRR_VARS(env.mtrr_var, X86CPU, MSR_MTRRcap_VCNT, 8),
1702 /* KVM-related states */
1703 VMSTATE_INT32(env.interrupt_injected, X86CPU),
1704 VMSTATE_UINT32(env.mp_state, X86CPU),
1705 VMSTATE_UINT64(env.tsc, X86CPU),
1706 VMSTATE_INT32(env.exception_nr, X86CPU),
1707 VMSTATE_UINT8(env.soft_interrupt, X86CPU),
1708 VMSTATE_UINT8(env.nmi_injected, X86CPU),
1709 VMSTATE_UINT8(env.nmi_pending, X86CPU),
1710 VMSTATE_UINT8(env.has_error_code, X86CPU),
1711 VMSTATE_UINT32(env.sipi_vector, X86CPU),
1712 /* MCE */
1713 VMSTATE_UINT64(env.mcg_cap, X86CPU),
1714 VMSTATE_UINT64(env.mcg_status, X86CPU),
1715 VMSTATE_UINT64(env.mcg_ctl, X86CPU),
1716 VMSTATE_UINT64_ARRAY(env.mce_banks, X86CPU, MCE_BANKS_DEF * 4),
1717 /* rdtscp */
1718 VMSTATE_UINT64(env.tsc_aux, X86CPU),
1719 /* KVM pvclock msr */
1720 VMSTATE_UINT64(env.system_time_msr, X86CPU),
1721 VMSTATE_UINT64(env.wall_clock_msr, X86CPU),
1722 /* XSAVE related fields */
1723 VMSTATE_UINT64_V(env.xcr0, X86CPU, 12),
1724 VMSTATE_UINT64_V(env.xstate_bv, X86CPU, 12),
1725 VMSTATE_YMMH_REGS_VARS(env.xmm_regs, X86CPU, 0, 12),
1726 VMSTATE_END_OF_LIST()
1727 /* The above list is not sorted /wrt version numbers, watch out! */
1728 },
1729 .subsections = (const VMStateDescription * const []) {
1730 &vmstate_exception_info,
1731 &vmstate_async_pf_msr,
1732 &vmstate_async_pf_int_msr,
1733 &vmstate_pv_eoi_msr,
1734 &vmstate_steal_time_msr,
1735 &vmstate_poll_control_msr,
1736 &vmstate_fpop_ip_dp,
1737 &vmstate_msr_tsc_adjust,
1738 &vmstate_msr_tscdeadline,
1739 &vmstate_msr_ia32_misc_enable,
1740 &vmstate_msr_ia32_feature_control,
1741 &vmstate_msr_architectural_pmu,
1742 &vmstate_mpx,
1743 &vmstate_msr_hyperv_hypercall,
1744 &vmstate_msr_hyperv_vapic,
1745 &vmstate_msr_hyperv_time,
1746 &vmstate_msr_hyperv_crash,
1747 &vmstate_msr_hyperv_runtime,
1748 &vmstate_msr_hyperv_synic,
1749 &vmstate_msr_hyperv_stimer,
1750 &vmstate_msr_hyperv_reenlightenment,
1751 &vmstate_avx512,
1752 &vmstate_xss,
1753 &vmstate_umwait,
1754 &vmstate_tsc_khz,
1755 &vmstate_msr_smi_count,
1756 &vmstate_pkru,
1757 &vmstate_pkrs,
1758 &vmstate_spec_ctrl,
1759 &amd_tsc_scale_msr_ctrl,
1760 &vmstate_mcg_ext_ctl,
1761 &vmstate_msr_intel_pt,
1762 &vmstate_msr_virt_ssbd,
1763 &vmstate_svm_npt,
1764 &vmstate_svm_guest,
1765 #ifndef TARGET_X86_64
1766 &vmstate_efer32,
1767 #endif
1768 #ifdef CONFIG_KVM
1769 &vmstate_nested_state,
1770 &vmstate_xen_vcpu,
1771 #endif
1772 &vmstate_msr_tsx_ctrl,
1773 &vmstate_msr_intel_sgx,
1774 &vmstate_pdptrs,
1775 &vmstate_msr_xfd,
1776 #ifdef TARGET_X86_64
1777 &vmstate_msr_fred,
1778 &vmstate_amx_xtile,
1779 #endif
1780 &vmstate_arch_lbr,
1781 &vmstate_triple_fault,
1782 NULL
1783 }
1784 };
1785