xref: /linux/arch/x86/include/asm/svm.h (revision 908fc4c2)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __SVM_H
3 #define __SVM_H
4 
5 #include <uapi/asm/svm.h>
6 #include <uapi/asm/kvm.h>
7 
8 /*
9  * 32-bit intercept words in the VMCB Control Area, starting
10  * at Byte offset 000h.
11  */
12 
13 enum intercept_words {
14 	INTERCEPT_CR = 0,
15 	INTERCEPT_DR,
16 	INTERCEPT_EXCEPTION,
17 	INTERCEPT_WORD3,
18 	INTERCEPT_WORD4,
19 	INTERCEPT_WORD5,
20 	MAX_INTERCEPT,
21 };
22 
23 enum {
24 	/* Byte offset 000h (word 0) */
25 	INTERCEPT_CR0_READ = 0,
26 	INTERCEPT_CR3_READ = 3,
27 	INTERCEPT_CR4_READ = 4,
28 	INTERCEPT_CR8_READ = 8,
29 	INTERCEPT_CR0_WRITE = 16,
30 	INTERCEPT_CR3_WRITE = 16 + 3,
31 	INTERCEPT_CR4_WRITE = 16 + 4,
32 	INTERCEPT_CR8_WRITE = 16 + 8,
33 	/* Byte offset 004h (word 1) */
34 	INTERCEPT_DR0_READ = 32,
35 	INTERCEPT_DR1_READ,
36 	INTERCEPT_DR2_READ,
37 	INTERCEPT_DR3_READ,
38 	INTERCEPT_DR4_READ,
39 	INTERCEPT_DR5_READ,
40 	INTERCEPT_DR6_READ,
41 	INTERCEPT_DR7_READ,
42 	INTERCEPT_DR0_WRITE = 48,
43 	INTERCEPT_DR1_WRITE,
44 	INTERCEPT_DR2_WRITE,
45 	INTERCEPT_DR3_WRITE,
46 	INTERCEPT_DR4_WRITE,
47 	INTERCEPT_DR5_WRITE,
48 	INTERCEPT_DR6_WRITE,
49 	INTERCEPT_DR7_WRITE,
50 	/* Byte offset 008h (word 2) */
51 	INTERCEPT_EXCEPTION_OFFSET = 64,
52 	/* Byte offset 00Ch (word 3) */
53 	INTERCEPT_INTR = 96,
54 	INTERCEPT_NMI,
55 	INTERCEPT_SMI,
56 	INTERCEPT_INIT,
57 	INTERCEPT_VINTR,
58 	INTERCEPT_SELECTIVE_CR0,
59 	INTERCEPT_STORE_IDTR,
60 	INTERCEPT_STORE_GDTR,
61 	INTERCEPT_STORE_LDTR,
62 	INTERCEPT_STORE_TR,
63 	INTERCEPT_LOAD_IDTR,
64 	INTERCEPT_LOAD_GDTR,
65 	INTERCEPT_LOAD_LDTR,
66 	INTERCEPT_LOAD_TR,
67 	INTERCEPT_RDTSC,
68 	INTERCEPT_RDPMC,
69 	INTERCEPT_PUSHF,
70 	INTERCEPT_POPF,
71 	INTERCEPT_CPUID,
72 	INTERCEPT_RSM,
73 	INTERCEPT_IRET,
74 	INTERCEPT_INTn,
75 	INTERCEPT_INVD,
76 	INTERCEPT_PAUSE,
77 	INTERCEPT_HLT,
78 	INTERCEPT_INVLPG,
79 	INTERCEPT_INVLPGA,
80 	INTERCEPT_IOIO_PROT,
81 	INTERCEPT_MSR_PROT,
82 	INTERCEPT_TASK_SWITCH,
83 	INTERCEPT_FERR_FREEZE,
84 	INTERCEPT_SHUTDOWN,
85 	/* Byte offset 010h (word 4) */
86 	INTERCEPT_VMRUN = 128,
87 	INTERCEPT_VMMCALL,
88 	INTERCEPT_VMLOAD,
89 	INTERCEPT_VMSAVE,
90 	INTERCEPT_STGI,
91 	INTERCEPT_CLGI,
92 	INTERCEPT_SKINIT,
93 	INTERCEPT_RDTSCP,
94 	INTERCEPT_ICEBP,
95 	INTERCEPT_WBINVD,
96 	INTERCEPT_MONITOR,
97 	INTERCEPT_MWAIT,
98 	INTERCEPT_MWAIT_COND,
99 	INTERCEPT_XSETBV,
100 	INTERCEPT_RDPRU,
101 	TRAP_EFER_WRITE,
102 	TRAP_CR0_WRITE,
103 	TRAP_CR1_WRITE,
104 	TRAP_CR2_WRITE,
105 	TRAP_CR3_WRITE,
106 	TRAP_CR4_WRITE,
107 	TRAP_CR5_WRITE,
108 	TRAP_CR6_WRITE,
109 	TRAP_CR7_WRITE,
110 	TRAP_CR8_WRITE,
111 	/* Byte offset 014h (word 5) */
112 	INTERCEPT_INVLPGB = 160,
113 	INTERCEPT_INVLPGB_ILLEGAL,
114 	INTERCEPT_INVPCID,
115 	INTERCEPT_MCOMMIT,
116 	INTERCEPT_TLBSYNC,
117 };
118 
119 
120 struct __attribute__ ((__packed__)) vmcb_control_area {
121 	u32 intercepts[MAX_INTERCEPT];
122 	u32 reserved_1[15 - MAX_INTERCEPT];
123 	u16 pause_filter_thresh;
124 	u16 pause_filter_count;
125 	u64 iopm_base_pa;
126 	u64 msrpm_base_pa;
127 	u64 tsc_offset;
128 	u32 asid;
129 	u8 tlb_ctl;
130 	u8 reserved_2[3];
131 	u32 int_ctl;
132 	u32 int_vector;
133 	u32 int_state;
134 	u8 reserved_3[4];
135 	u32 exit_code;
136 	u32 exit_code_hi;
137 	u64 exit_info_1;
138 	u64 exit_info_2;
139 	u32 exit_int_info;
140 	u32 exit_int_info_err;
141 	u64 nested_ctl;
142 	u64 avic_vapic_bar;
143 	u64 ghcb_gpa;
144 	u32 event_inj;
145 	u32 event_inj_err;
146 	u64 nested_cr3;
147 	u64 virt_ext;
148 	u32 clean;
149 	u32 reserved_5;
150 	u64 next_rip;
151 	u8 insn_len;
152 	u8 insn_bytes[15];
153 	u64 avic_backing_page;	/* Offset 0xe0 */
154 	u8 reserved_6[8];	/* Offset 0xe8 */
155 	u64 avic_logical_id;	/* Offset 0xf0 */
156 	u64 avic_physical_id;	/* Offset 0xf8 */
157 	u8 reserved_7[8];
158 	u64 vmsa_pa;		/* Used for an SEV-ES guest */
159 	u8 reserved_8[720];
160 	/*
161 	 * Offset 0x3e0, 32 bytes reserved
162 	 * for use by hypervisor/software.
163 	 */
164 	u8 reserved_sw[32];
165 };
166 
167 
168 #define TLB_CONTROL_DO_NOTHING 0
169 #define TLB_CONTROL_FLUSH_ALL_ASID 1
170 #define TLB_CONTROL_FLUSH_ASID 3
171 #define TLB_CONTROL_FLUSH_ASID_LOCAL 7
172 
173 #define V_TPR_MASK 0x0f
174 
175 #define V_IRQ_SHIFT 8
176 #define V_IRQ_MASK (1 << V_IRQ_SHIFT)
177 
178 #define V_GIF_SHIFT 9
179 #define V_GIF_MASK (1 << V_GIF_SHIFT)
180 
181 #define V_INTR_PRIO_SHIFT 16
182 #define V_INTR_PRIO_MASK (0x0f << V_INTR_PRIO_SHIFT)
183 
184 #define V_IGN_TPR_SHIFT 20
185 #define V_IGN_TPR_MASK (1 << V_IGN_TPR_SHIFT)
186 
187 #define V_IRQ_INJECTION_BITS_MASK (V_IRQ_MASK | V_INTR_PRIO_MASK | V_IGN_TPR_MASK)
188 
189 #define V_INTR_MASKING_SHIFT 24
190 #define V_INTR_MASKING_MASK (1 << V_INTR_MASKING_SHIFT)
191 
192 #define V_GIF_ENABLE_SHIFT 25
193 #define V_GIF_ENABLE_MASK (1 << V_GIF_ENABLE_SHIFT)
194 
195 #define AVIC_ENABLE_SHIFT 31
196 #define AVIC_ENABLE_MASK (1 << AVIC_ENABLE_SHIFT)
197 
198 #define LBR_CTL_ENABLE_MASK BIT_ULL(0)
199 #define VIRTUAL_VMLOAD_VMSAVE_ENABLE_MASK BIT_ULL(1)
200 
201 #define SVM_INTERRUPT_SHADOW_MASK	BIT_ULL(0)
202 #define SVM_GUEST_INTERRUPT_MASK	BIT_ULL(1)
203 
204 #define SVM_IOIO_STR_SHIFT 2
205 #define SVM_IOIO_REP_SHIFT 3
206 #define SVM_IOIO_SIZE_SHIFT 4
207 #define SVM_IOIO_ASIZE_SHIFT 7
208 
209 #define SVM_IOIO_TYPE_MASK 1
210 #define SVM_IOIO_STR_MASK (1 << SVM_IOIO_STR_SHIFT)
211 #define SVM_IOIO_REP_MASK (1 << SVM_IOIO_REP_SHIFT)
212 #define SVM_IOIO_SIZE_MASK (7 << SVM_IOIO_SIZE_SHIFT)
213 #define SVM_IOIO_ASIZE_MASK (7 << SVM_IOIO_ASIZE_SHIFT)
214 
215 #define SVM_VM_CR_VALID_MASK	0x001fULL
216 #define SVM_VM_CR_SVM_LOCK_MASK 0x0008ULL
217 #define SVM_VM_CR_SVM_DIS_MASK  0x0010ULL
218 
219 #define SVM_NESTED_CTL_NP_ENABLE	BIT(0)
220 #define SVM_NESTED_CTL_SEV_ENABLE	BIT(1)
221 #define SVM_NESTED_CTL_SEV_ES_ENABLE	BIT(2)
222 
223 
224 #define SVM_TSC_RATIO_RSVD	0xffffff0000000000ULL
225 #define SVM_TSC_RATIO_MIN	0x0000000000000001ULL
226 #define SVM_TSC_RATIO_MAX	0x000000ffffffffffULL
227 #define SVM_TSC_RATIO_DEFAULT	0x0100000000ULL
228 
229 
230 /* AVIC */
231 #define AVIC_LOGICAL_ID_ENTRY_GUEST_PHYSICAL_ID_MASK	(0xFFULL)
232 #define AVIC_LOGICAL_ID_ENTRY_VALID_BIT			31
233 #define AVIC_LOGICAL_ID_ENTRY_VALID_MASK		(1 << 31)
234 
235 #define AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK	GENMASK_ULL(11, 0)
236 #define AVIC_PHYSICAL_ID_ENTRY_BACKING_PAGE_MASK	(0xFFFFFFFFFFULL << 12)
237 #define AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK		(1ULL << 62)
238 #define AVIC_PHYSICAL_ID_ENTRY_VALID_MASK		(1ULL << 63)
239 #define AVIC_PHYSICAL_ID_TABLE_SIZE_MASK		(0xFFULL)
240 
241 #define AVIC_DOORBELL_PHYSICAL_ID_MASK			GENMASK_ULL(11, 0)
242 
243 #define VMCB_AVIC_APIC_BAR_MASK				0xFFFFFFFFFF000ULL
244 
245 #define AVIC_UNACCEL_ACCESS_WRITE_MASK		1
246 #define AVIC_UNACCEL_ACCESS_OFFSET_MASK		0xFF0
247 #define AVIC_UNACCEL_ACCESS_VECTOR_MASK		0xFFFFFFFF
248 
249 enum avic_ipi_failure_cause {
250 	AVIC_IPI_FAILURE_INVALID_INT_TYPE,
251 	AVIC_IPI_FAILURE_TARGET_NOT_RUNNING,
252 	AVIC_IPI_FAILURE_INVALID_TARGET,
253 	AVIC_IPI_FAILURE_INVALID_BACKING_PAGE,
254 };
255 
256 
257 /*
258  * 0xff is broadcast, so the max index allowed for physical APIC ID
259  * table is 0xfe.  APIC IDs above 0xff are reserved.
260  */
261 #define AVIC_MAX_PHYSICAL_ID_COUNT	0xff
262 
263 #define AVIC_HPA_MASK	~((0xFFFULL << 52) | 0xFFF)
264 #define VMCB_AVIC_APIC_BAR_MASK		0xFFFFFFFFFF000ULL
265 
266 
267 struct vmcb_seg {
268 	u16 selector;
269 	u16 attrib;
270 	u32 limit;
271 	u64 base;
272 } __packed;
273 
274 /* Save area definition for legacy and SEV-MEM guests */
275 struct vmcb_save_area {
276 	struct vmcb_seg es;
277 	struct vmcb_seg cs;
278 	struct vmcb_seg ss;
279 	struct vmcb_seg ds;
280 	struct vmcb_seg fs;
281 	struct vmcb_seg gs;
282 	struct vmcb_seg gdtr;
283 	struct vmcb_seg ldtr;
284 	struct vmcb_seg idtr;
285 	struct vmcb_seg tr;
286 	u8 reserved_1[42];
287 	u8 vmpl;
288 	u8 cpl;
289 	u8 reserved_2[4];
290 	u64 efer;
291 	u8 reserved_3[112];
292 	u64 cr4;
293 	u64 cr3;
294 	u64 cr0;
295 	u64 dr7;
296 	u64 dr6;
297 	u64 rflags;
298 	u64 rip;
299 	u8 reserved_4[88];
300 	u64 rsp;
301 	u64 s_cet;
302 	u64 ssp;
303 	u64 isst_addr;
304 	u64 rax;
305 	u64 star;
306 	u64 lstar;
307 	u64 cstar;
308 	u64 sfmask;
309 	u64 kernel_gs_base;
310 	u64 sysenter_cs;
311 	u64 sysenter_esp;
312 	u64 sysenter_eip;
313 	u64 cr2;
314 	u8 reserved_5[32];
315 	u64 g_pat;
316 	u64 dbgctl;
317 	u64 br_from;
318 	u64 br_to;
319 	u64 last_excp_from;
320 	u64 last_excp_to;
321 	u8 reserved_6[72];
322 	u32 spec_ctrl;		/* Guest version of SPEC_CTRL at 0x2E0 */
323 } __packed;
324 
325 /* Save area definition for SEV-ES and SEV-SNP guests */
326 struct sev_es_save_area {
327 	struct vmcb_seg es;
328 	struct vmcb_seg cs;
329 	struct vmcb_seg ss;
330 	struct vmcb_seg ds;
331 	struct vmcb_seg fs;
332 	struct vmcb_seg gs;
333 	struct vmcb_seg gdtr;
334 	struct vmcb_seg ldtr;
335 	struct vmcb_seg idtr;
336 	struct vmcb_seg tr;
337 	u64 vmpl0_ssp;
338 	u64 vmpl1_ssp;
339 	u64 vmpl2_ssp;
340 	u64 vmpl3_ssp;
341 	u64 u_cet;
342 	u8 reserved_1[2];
343 	u8 vmpl;
344 	u8 cpl;
345 	u8 reserved_2[4];
346 	u64 efer;
347 	u8 reserved_3[104];
348 	u64 xss;
349 	u64 cr4;
350 	u64 cr3;
351 	u64 cr0;
352 	u64 dr7;
353 	u64 dr6;
354 	u64 rflags;
355 	u64 rip;
356 	u64 dr0;
357 	u64 dr1;
358 	u64 dr2;
359 	u64 dr3;
360 	u64 dr0_addr_mask;
361 	u64 dr1_addr_mask;
362 	u64 dr2_addr_mask;
363 	u64 dr3_addr_mask;
364 	u8 reserved_4[24];
365 	u64 rsp;
366 	u64 s_cet;
367 	u64 ssp;
368 	u64 isst_addr;
369 	u64 rax;
370 	u64 star;
371 	u64 lstar;
372 	u64 cstar;
373 	u64 sfmask;
374 	u64 kernel_gs_base;
375 	u64 sysenter_cs;
376 	u64 sysenter_esp;
377 	u64 sysenter_eip;
378 	u64 cr2;
379 	u8 reserved_5[32];
380 	u64 g_pat;
381 	u64 dbgctl;
382 	u64 br_from;
383 	u64 br_to;
384 	u64 last_excp_from;
385 	u64 last_excp_to;
386 	u8 reserved_7[80];
387 	u32 pkru;
388 	u8 reserved_8[20];
389 	u64 reserved_9;		/* rax already available at 0x01f8 */
390 	u64 rcx;
391 	u64 rdx;
392 	u64 rbx;
393 	u64 reserved_10;	/* rsp already available at 0x01d8 */
394 	u64 rbp;
395 	u64 rsi;
396 	u64 rdi;
397 	u64 r8;
398 	u64 r9;
399 	u64 r10;
400 	u64 r11;
401 	u64 r12;
402 	u64 r13;
403 	u64 r14;
404 	u64 r15;
405 	u8 reserved_11[16];
406 	u64 guest_exit_info_1;
407 	u64 guest_exit_info_2;
408 	u64 guest_exit_int_info;
409 	u64 guest_nrip;
410 	u64 sev_features;
411 	u64 vintr_ctrl;
412 	u64 guest_exit_code;
413 	u64 virtual_tom;
414 	u64 tlb_id;
415 	u64 pcpu_id;
416 	u64 event_inj;
417 	u64 xcr0;
418 	u8 reserved_12[16];
419 
420 	/* Floating point area */
421 	u64 x87_dp;
422 	u32 mxcsr;
423 	u16 x87_ftw;
424 	u16 x87_fsw;
425 	u16 x87_fcw;
426 	u16 x87_fop;
427 	u16 x87_ds;
428 	u16 x87_cs;
429 	u64 x87_rip;
430 	u8 fpreg_x87[80];
431 	u8 fpreg_xmm[256];
432 	u8 fpreg_ymm[256];
433 } __packed;
434 
435 struct ghcb_save_area {
436 	u8 reserved_1[203];
437 	u8 cpl;
438 	u8 reserved_2[116];
439 	u64 xss;
440 	u8 reserved_3[24];
441 	u64 dr7;
442 	u8 reserved_4[16];
443 	u64 rip;
444 	u8 reserved_5[88];
445 	u64 rsp;
446 	u8 reserved_6[24];
447 	u64 rax;
448 	u8 reserved_7[264];
449 	u64 rcx;
450 	u64 rdx;
451 	u64 rbx;
452 	u8 reserved_8[8];
453 	u64 rbp;
454 	u64 rsi;
455 	u64 rdi;
456 	u64 r8;
457 	u64 r9;
458 	u64 r10;
459 	u64 r11;
460 	u64 r12;
461 	u64 r13;
462 	u64 r14;
463 	u64 r15;
464 	u8 reserved_9[16];
465 	u64 sw_exit_code;
466 	u64 sw_exit_info_1;
467 	u64 sw_exit_info_2;
468 	u64 sw_scratch;
469 	u8 reserved_10[56];
470 	u64 xcr0;
471 	u8 valid_bitmap[16];
472 	u64 x87_state_gpa;
473 } __packed;
474 
475 #define GHCB_SHARED_BUF_SIZE	2032
476 
477 struct ghcb {
478 	struct ghcb_save_area save;
479 	u8 reserved_save[2048 - sizeof(struct ghcb_save_area)];
480 
481 	u8 shared_buffer[GHCB_SHARED_BUF_SIZE];
482 
483 	u8 reserved_1[10];
484 	u16 protocol_version;	/* negotiated SEV-ES/GHCB protocol version */
485 	u32 ghcb_usage;
486 } __packed;
487 
488 
489 #define EXPECTED_VMCB_SAVE_AREA_SIZE		740
490 #define EXPECTED_GHCB_SAVE_AREA_SIZE		1032
491 #define EXPECTED_SEV_ES_SAVE_AREA_SIZE		1648
492 #define EXPECTED_VMCB_CONTROL_AREA_SIZE		1024
493 #define EXPECTED_GHCB_SIZE			PAGE_SIZE
494 
495 static inline void __unused_size_checks(void)
496 {
497 	BUILD_BUG_ON(sizeof(struct vmcb_save_area)	!= EXPECTED_VMCB_SAVE_AREA_SIZE);
498 	BUILD_BUG_ON(sizeof(struct ghcb_save_area)	!= EXPECTED_GHCB_SAVE_AREA_SIZE);
499 	BUILD_BUG_ON(sizeof(struct sev_es_save_area)	!= EXPECTED_SEV_ES_SAVE_AREA_SIZE);
500 	BUILD_BUG_ON(sizeof(struct vmcb_control_area)	!= EXPECTED_VMCB_CONTROL_AREA_SIZE);
501 	BUILD_BUG_ON(sizeof(struct ghcb)		!= EXPECTED_GHCB_SIZE);
502 }
503 
504 struct vmcb {
505 	struct vmcb_control_area control;
506 	struct vmcb_save_area save;
507 } __packed;
508 
509 #define SVM_CPUID_FUNC 0x8000000a
510 
511 #define SVM_VM_CR_SVM_DISABLE 4
512 
513 #define SVM_SELECTOR_S_SHIFT 4
514 #define SVM_SELECTOR_DPL_SHIFT 5
515 #define SVM_SELECTOR_P_SHIFT 7
516 #define SVM_SELECTOR_AVL_SHIFT 8
517 #define SVM_SELECTOR_L_SHIFT 9
518 #define SVM_SELECTOR_DB_SHIFT 10
519 #define SVM_SELECTOR_G_SHIFT 11
520 
521 #define SVM_SELECTOR_TYPE_MASK (0xf)
522 #define SVM_SELECTOR_S_MASK (1 << SVM_SELECTOR_S_SHIFT)
523 #define SVM_SELECTOR_DPL_MASK (3 << SVM_SELECTOR_DPL_SHIFT)
524 #define SVM_SELECTOR_P_MASK (1 << SVM_SELECTOR_P_SHIFT)
525 #define SVM_SELECTOR_AVL_MASK (1 << SVM_SELECTOR_AVL_SHIFT)
526 #define SVM_SELECTOR_L_MASK (1 << SVM_SELECTOR_L_SHIFT)
527 #define SVM_SELECTOR_DB_MASK (1 << SVM_SELECTOR_DB_SHIFT)
528 #define SVM_SELECTOR_G_MASK (1 << SVM_SELECTOR_G_SHIFT)
529 
530 #define SVM_SELECTOR_WRITE_MASK (1 << 1)
531 #define SVM_SELECTOR_READ_MASK SVM_SELECTOR_WRITE_MASK
532 #define SVM_SELECTOR_CODE_MASK (1 << 3)
533 
534 #define SVM_EVTINJ_VEC_MASK 0xff
535 
536 #define SVM_EVTINJ_TYPE_SHIFT 8
537 #define SVM_EVTINJ_TYPE_MASK (7 << SVM_EVTINJ_TYPE_SHIFT)
538 
539 #define SVM_EVTINJ_TYPE_INTR (0 << SVM_EVTINJ_TYPE_SHIFT)
540 #define SVM_EVTINJ_TYPE_NMI (2 << SVM_EVTINJ_TYPE_SHIFT)
541 #define SVM_EVTINJ_TYPE_EXEPT (3 << SVM_EVTINJ_TYPE_SHIFT)
542 #define SVM_EVTINJ_TYPE_SOFT (4 << SVM_EVTINJ_TYPE_SHIFT)
543 
544 #define SVM_EVTINJ_VALID (1 << 31)
545 #define SVM_EVTINJ_VALID_ERR (1 << 11)
546 
547 #define SVM_EXITINTINFO_VEC_MASK SVM_EVTINJ_VEC_MASK
548 #define SVM_EXITINTINFO_TYPE_MASK SVM_EVTINJ_TYPE_MASK
549 
550 #define	SVM_EXITINTINFO_TYPE_INTR SVM_EVTINJ_TYPE_INTR
551 #define	SVM_EXITINTINFO_TYPE_NMI SVM_EVTINJ_TYPE_NMI
552 #define	SVM_EXITINTINFO_TYPE_EXEPT SVM_EVTINJ_TYPE_EXEPT
553 #define	SVM_EXITINTINFO_TYPE_SOFT SVM_EVTINJ_TYPE_SOFT
554 
555 #define SVM_EXITINTINFO_VALID SVM_EVTINJ_VALID
556 #define SVM_EXITINTINFO_VALID_ERR SVM_EVTINJ_VALID_ERR
557 
558 #define SVM_EXITINFOSHIFT_TS_REASON_IRET 36
559 #define SVM_EXITINFOSHIFT_TS_REASON_JMP 38
560 #define SVM_EXITINFOSHIFT_TS_HAS_ERROR_CODE 44
561 
562 #define SVM_EXITINFO_REG_MASK 0x0F
563 
564 #define SVM_CR0_SELECTIVE_MASK (X86_CR0_TS | X86_CR0_MP)
565 
566 /* GHCB Accessor functions */
567 
568 #define GHCB_BITMAP_IDX(field)							\
569 	(offsetof(struct ghcb_save_area, field) / sizeof(u64))
570 
571 #define DEFINE_GHCB_ACCESSORS(field)						\
572 	static __always_inline bool ghcb_##field##_is_valid(const struct ghcb *ghcb) \
573 	{									\
574 		return test_bit(GHCB_BITMAP_IDX(field),				\
575 				(unsigned long *)&ghcb->save.valid_bitmap);	\
576 	}									\
577 										\
578 	static __always_inline u64 ghcb_get_##field(struct ghcb *ghcb)		\
579 	{									\
580 		return ghcb->save.field;					\
581 	}									\
582 										\
583 	static __always_inline u64 ghcb_get_##field##_if_valid(struct ghcb *ghcb) \
584 	{									\
585 		return ghcb_##field##_is_valid(ghcb) ? ghcb->save.field : 0;	\
586 	}									\
587 										\
588 	static __always_inline void ghcb_set_##field(struct ghcb *ghcb, u64 value) \
589 	{									\
590 		__set_bit(GHCB_BITMAP_IDX(field),				\
591 			  (unsigned long *)&ghcb->save.valid_bitmap);		\
592 		ghcb->save.field = value;					\
593 	}
594 
595 DEFINE_GHCB_ACCESSORS(cpl)
596 DEFINE_GHCB_ACCESSORS(rip)
597 DEFINE_GHCB_ACCESSORS(rsp)
598 DEFINE_GHCB_ACCESSORS(rax)
599 DEFINE_GHCB_ACCESSORS(rcx)
600 DEFINE_GHCB_ACCESSORS(rdx)
601 DEFINE_GHCB_ACCESSORS(rbx)
602 DEFINE_GHCB_ACCESSORS(rbp)
603 DEFINE_GHCB_ACCESSORS(rsi)
604 DEFINE_GHCB_ACCESSORS(rdi)
605 DEFINE_GHCB_ACCESSORS(r8)
606 DEFINE_GHCB_ACCESSORS(r9)
607 DEFINE_GHCB_ACCESSORS(r10)
608 DEFINE_GHCB_ACCESSORS(r11)
609 DEFINE_GHCB_ACCESSORS(r12)
610 DEFINE_GHCB_ACCESSORS(r13)
611 DEFINE_GHCB_ACCESSORS(r14)
612 DEFINE_GHCB_ACCESSORS(r15)
613 DEFINE_GHCB_ACCESSORS(sw_exit_code)
614 DEFINE_GHCB_ACCESSORS(sw_exit_info_1)
615 DEFINE_GHCB_ACCESSORS(sw_exit_info_2)
616 DEFINE_GHCB_ACCESSORS(sw_scratch)
617 DEFINE_GHCB_ACCESSORS(xcr0)
618 
619 #endif
620