1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __LINUX_KVM_S390_H
3 #define __LINUX_KVM_S390_H
4 /*
5 * KVM s390 specific structures and definitions
6 *
7 * Copyright IBM Corp. 2008, 2018
8 *
9 * Author(s): Carsten Otte <cotte@de.ibm.com>
10 * Christian Borntraeger <borntraeger@de.ibm.com>
11 */
12 #include <linux/types.h>
13
14 #define __KVM_S390
15
16 struct kvm_s390_skeys {
17 __u64 start_gfn;
18 __u64 count;
19 __u64 skeydata_addr;
20 __u32 flags;
21 __u32 reserved[9];
22 };
23
24 #define KVM_S390_CMMA_PEEK (1 << 0)
25
26 /**
27 * kvm_s390_cmma_log - Used for CMMA migration.
28 *
29 * Used both for input and output.
30 *
31 * @start_gfn: Guest page number to start from.
32 * @count: Size of the result buffer.
33 * @flags: Control operation mode via KVM_S390_CMMA_* flags
34 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
35 * pages are still remaining.
36 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
37 * in the PGSTE.
38 * @values: Pointer to the values buffer.
39 *
40 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
41 */
42 struct kvm_s390_cmma_log {
43 __u64 start_gfn;
44 __u32 count;
45 __u32 flags;
46 union {
47 __u64 remaining;
48 __u64 mask;
49 };
50 __u64 values;
51 };
52
53 #define KVM_S390_RESET_POR 1
54 #define KVM_S390_RESET_CLEAR 2
55 #define KVM_S390_RESET_SUBSYSTEM 4
56 #define KVM_S390_RESET_CPU_INIT 8
57 #define KVM_S390_RESET_IPL 16
58
59 /* for KVM_S390_MEM_OP */
60 struct kvm_s390_mem_op {
61 /* in */
62 __u64 gaddr; /* the guest address */
63 __u64 flags; /* flags */
64 __u32 size; /* amount of bytes */
65 __u32 op; /* type of operation */
66 __u64 buf; /* buffer in userspace */
67 union {
68 struct {
69 __u8 ar; /* the access register number */
70 __u8 key; /* access key, ignored if flag unset */
71 __u8 pad1[6]; /* ignored */
72 __u64 old_addr; /* ignored if cmpxchg flag unset */
73 };
74 __u32 sida_offset; /* offset into the sida */
75 __u8 reserved[32]; /* ignored */
76 };
77 };
78 /* types for kvm_s390_mem_op->op */
79 #define KVM_S390_MEMOP_LOGICAL_READ 0
80 #define KVM_S390_MEMOP_LOGICAL_WRITE 1
81 #define KVM_S390_MEMOP_SIDA_READ 2
82 #define KVM_S390_MEMOP_SIDA_WRITE 3
83 #define KVM_S390_MEMOP_ABSOLUTE_READ 4
84 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
85 #define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6
86
87 /* flags for kvm_s390_mem_op->flags */
88 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
89 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
90 #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
91
92 /* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
93 #define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0)
94 #define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1)
95
96 struct kvm_s390_psw {
97 __u64 mask;
98 __u64 addr;
99 };
100
101 /* valid values for type in kvm_s390_interrupt */
102 #define KVM_S390_SIGP_STOP 0xfffe0000u
103 #define KVM_S390_PROGRAM_INT 0xfffe0001u
104 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
105 #define KVM_S390_RESTART 0xfffe0003u
106 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
107 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
108 #define KVM_S390_MCHK 0xfffe1000u
109 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u
110 #define KVM_S390_INT_CPU_TIMER 0xffff1005u
111 #define KVM_S390_INT_VIRTIO 0xffff2603u
112 #define KVM_S390_INT_SERVICE 0xffff2401u
113 #define KVM_S390_INT_EMERGENCY 0xffff1201u
114 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
115 /* Anything below 0xfffe0000u is taken by INT_IO */
116 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
117 (((schid)) | \
118 ((ssid) << 16) | \
119 ((cssid) << 18) | \
120 ((ai) << 26))
121 #define KVM_S390_INT_IO_MIN 0x00000000u
122 #define KVM_S390_INT_IO_MAX 0xfffdffffu
123 #define KVM_S390_INT_IO_AI_MASK 0x04000000u
124
125
126 struct kvm_s390_interrupt {
127 __u32 type;
128 __u32 parm;
129 __u64 parm64;
130 };
131
132 struct kvm_s390_io_info {
133 __u16 subchannel_id;
134 __u16 subchannel_nr;
135 __u32 io_int_parm;
136 __u32 io_int_word;
137 };
138
139 struct kvm_s390_ext_info {
140 __u32 ext_params;
141 __u32 pad;
142 __u64 ext_params2;
143 };
144
145 struct kvm_s390_pgm_info {
146 __u64 trans_exc_code;
147 __u64 mon_code;
148 __u64 per_address;
149 __u32 data_exc_code;
150 __u16 code;
151 __u16 mon_class_nr;
152 __u8 per_code;
153 __u8 per_atmid;
154 __u8 exc_access_id;
155 __u8 per_access_id;
156 __u8 op_access_id;
157 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
158 #define KVM_S390_PGM_FLAGS_ILC_0 0x02
159 #define KVM_S390_PGM_FLAGS_ILC_1 0x04
160 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
161 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
162 __u8 flags;
163 __u8 pad[2];
164 };
165
166 struct kvm_s390_prefix_info {
167 __u32 address;
168 };
169
170 struct kvm_s390_extcall_info {
171 __u16 code;
172 };
173
174 struct kvm_s390_emerg_info {
175 __u16 code;
176 };
177
178 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
179 struct kvm_s390_stop_info {
180 __u32 flags;
181 };
182
183 struct kvm_s390_mchk_info {
184 __u64 cr14;
185 __u64 mcic;
186 __u64 failing_storage_address;
187 __u32 ext_damage_code;
188 __u32 pad;
189 __u8 fixed_logout[16];
190 };
191
192 struct kvm_s390_irq {
193 __u64 type;
194 union {
195 struct kvm_s390_io_info io;
196 struct kvm_s390_ext_info ext;
197 struct kvm_s390_pgm_info pgm;
198 struct kvm_s390_emerg_info emerg;
199 struct kvm_s390_extcall_info extcall;
200 struct kvm_s390_prefix_info prefix;
201 struct kvm_s390_stop_info stop;
202 struct kvm_s390_mchk_info mchk;
203 char reserved[64];
204 } u;
205 };
206
207 struct kvm_s390_irq_state {
208 __u64 buf;
209 __u32 flags; /* will stay unused for compatibility reasons */
210 __u32 len;
211 __u32 reserved[4]; /* will stay unused for compatibility reasons */
212 };
213
214 struct kvm_s390_ucas_mapping {
215 __u64 user_addr;
216 __u64 vcpu_addr;
217 __u64 length;
218 };
219
220 struct kvm_s390_pv_sec_parm {
221 __u64 origin;
222 __u64 length;
223 };
224
225 struct kvm_s390_pv_unp {
226 __u64 addr;
227 __u64 size;
228 __u64 tweak;
229 };
230
231 enum pv_cmd_dmp_id {
232 KVM_PV_DUMP_INIT,
233 KVM_PV_DUMP_CONFIG_STOR_STATE,
234 KVM_PV_DUMP_COMPLETE,
235 KVM_PV_DUMP_CPU,
236 };
237
238 struct kvm_s390_pv_dmp {
239 __u64 subcmd;
240 __u64 buff_addr;
241 __u64 buff_len;
242 __u64 gaddr; /* For dump storage state */
243 __u64 reserved[4];
244 };
245
246 enum pv_cmd_info_id {
247 KVM_PV_INFO_VM,
248 KVM_PV_INFO_DUMP,
249 };
250
251 struct kvm_s390_pv_info_dump {
252 __u64 dump_cpu_buffer_len;
253 __u64 dump_config_mem_buffer_per_1m;
254 __u64 dump_config_finalize_len;
255 };
256
257 struct kvm_s390_pv_info_vm {
258 __u64 inst_calls_list[4];
259 __u64 max_cpus;
260 __u64 max_guests;
261 __u64 max_guest_addr;
262 __u64 feature_indication;
263 };
264
265 struct kvm_s390_pv_info_header {
266 __u32 id;
267 __u32 len_max;
268 __u32 len_written;
269 __u32 reserved;
270 };
271
272 struct kvm_s390_pv_info {
273 struct kvm_s390_pv_info_header header;
274 union {
275 struct kvm_s390_pv_info_dump dump;
276 struct kvm_s390_pv_info_vm vm;
277 };
278 };
279
280 enum pv_cmd_id {
281 KVM_PV_ENABLE,
282 KVM_PV_DISABLE,
283 KVM_PV_SET_SEC_PARMS,
284 KVM_PV_UNPACK,
285 KVM_PV_VERIFY,
286 KVM_PV_PREP_RESET,
287 KVM_PV_UNSHARE_ALL,
288 KVM_PV_INFO,
289 KVM_PV_DUMP,
290 KVM_PV_ASYNC_CLEANUP_PREPARE,
291 KVM_PV_ASYNC_CLEANUP_PERFORM,
292 };
293
294 struct kvm_pv_cmd {
295 __u32 cmd; /* Command to be executed */
296 __u16 rc; /* Ultravisor return code */
297 __u16 rrc; /* Ultravisor return reason code */
298 __u64 data; /* Data or address */
299 __u32 flags; /* flags for future extensions. Must be 0 for now */
300 __u32 reserved[3];
301 };
302
303 struct kvm_s390_zpci_op {
304 /* in */
305 __u32 fh; /* target device */
306 __u8 op; /* operation to perform */
307 __u8 pad[3];
308 union {
309 /* for KVM_S390_ZPCIOP_REG_AEN */
310 struct {
311 __u64 ibv; /* Guest addr of interrupt bit vector */
312 __u64 sb; /* Guest addr of summary bit */
313 __u32 flags;
314 __u32 noi; /* Number of interrupts */
315 __u8 isc; /* Guest interrupt subclass */
316 __u8 sbo; /* Offset of guest summary bit vector */
317 __u16 pad;
318 } reg_aen;
319 __u64 reserved[8];
320 } u;
321 };
322
323 /* types for kvm_s390_zpci_op->op */
324 #define KVM_S390_ZPCIOP_REG_AEN 0
325 #define KVM_S390_ZPCIOP_DEREG_AEN 1
326
327 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */
328 #define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0)
329
330 /* Device control API: s390-specific devices */
331 #define KVM_DEV_FLIC_GET_ALL_IRQS 1
332 #define KVM_DEV_FLIC_ENQUEUE 2
333 #define KVM_DEV_FLIC_CLEAR_IRQS 3
334 #define KVM_DEV_FLIC_APF_ENABLE 4
335 #define KVM_DEV_FLIC_APF_DISABLE_WAIT 5
336 #define KVM_DEV_FLIC_ADAPTER_REGISTER 6
337 #define KVM_DEV_FLIC_ADAPTER_MODIFY 7
338 #define KVM_DEV_FLIC_CLEAR_IO_IRQ 8
339 #define KVM_DEV_FLIC_AISM 9
340 #define KVM_DEV_FLIC_AIRQ_INJECT 10
341 #define KVM_DEV_FLIC_AISM_ALL 11
342 /*
343 * We can have up to 4*64k pending subchannels + 8 adapter interrupts,
344 * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
345 * There are also sclp and machine checks. This gives us
346 * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000
347 * Lets round up to 8192 pages.
348 */
349 #define KVM_S390_MAX_FLOAT_IRQS 266250
350 #define KVM_S390_FLIC_MAX_BUFFER 0x2000000
351
352 struct kvm_s390_io_adapter {
353 __u32 id;
354 __u8 isc;
355 __u8 maskable;
356 __u8 swap;
357 __u8 flags;
358 };
359
360 #define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01
361
362 struct kvm_s390_ais_req {
363 __u8 isc;
364 __u16 mode;
365 };
366
367 struct kvm_s390_ais_all {
368 __u8 simm;
369 __u8 nimm;
370 };
371
372 #define KVM_S390_IO_ADAPTER_MASK 1
373 #define KVM_S390_IO_ADAPTER_MAP 2
374 #define KVM_S390_IO_ADAPTER_UNMAP 3
375
376 struct kvm_s390_io_adapter_req {
377 __u32 id;
378 __u8 type;
379 __u8 mask;
380 __u16 pad0;
381 __u64 addr;
382 };
383
384 /* kvm attr_group on vm fd */
385 #define KVM_S390_VM_MEM_CTRL 0
386 #define KVM_S390_VM_TOD 1
387 #define KVM_S390_VM_CRYPTO 2
388 #define KVM_S390_VM_CPU_MODEL 3
389 #define KVM_S390_VM_MIGRATION 4
390 #define KVM_S390_VM_CPU_TOPOLOGY 5
391
392 /* kvm attributes for mem_ctrl */
393 #define KVM_S390_VM_MEM_ENABLE_CMMA 0
394 #define KVM_S390_VM_MEM_CLR_CMMA 1
395 #define KVM_S390_VM_MEM_LIMIT_SIZE 2
396
397 #define KVM_S390_NO_MEM_LIMIT U64_MAX
398
399 /* kvm attributes for KVM_S390_VM_TOD */
400 #define KVM_S390_VM_TOD_LOW 0
401 #define KVM_S390_VM_TOD_HIGH 1
402 #define KVM_S390_VM_TOD_EXT 2
403
404 struct kvm_s390_vm_tod_clock {
405 __u8 epoch_idx;
406 __u64 tod;
407 };
408
409 /* kvm attributes for KVM_S390_VM_CPU_MODEL */
410 /* processor related attributes are r/w */
411 #define KVM_S390_VM_CPU_PROCESSOR 0
412 struct kvm_s390_vm_cpu_processor {
413 __u64 cpuid;
414 __u16 ibc;
415 __u8 pad[6];
416 __u64 fac_list[256];
417 };
418
419 /* machine related attributes are r/o */
420 #define KVM_S390_VM_CPU_MACHINE 1
421 struct kvm_s390_vm_cpu_machine {
422 __u64 cpuid;
423 __u32 ibc;
424 __u8 pad[4];
425 __u64 fac_mask[256];
426 __u64 fac_list[256];
427 };
428
429 #define KVM_S390_VM_CPU_PROCESSOR_FEAT 2
430 #define KVM_S390_VM_CPU_MACHINE_FEAT 3
431
432 #define KVM_S390_VM_CPU_FEAT_NR_BITS 1024
433 #define KVM_S390_VM_CPU_FEAT_ESOP 0
434 #define KVM_S390_VM_CPU_FEAT_SIEF2 1
435 #define KVM_S390_VM_CPU_FEAT_64BSCAO 2
436 #define KVM_S390_VM_CPU_FEAT_SIIF 3
437 #define KVM_S390_VM_CPU_FEAT_GPERE 4
438 #define KVM_S390_VM_CPU_FEAT_GSLS 5
439 #define KVM_S390_VM_CPU_FEAT_IB 6
440 #define KVM_S390_VM_CPU_FEAT_CEI 7
441 #define KVM_S390_VM_CPU_FEAT_IBS 8
442 #define KVM_S390_VM_CPU_FEAT_SKEY 9
443 #define KVM_S390_VM_CPU_FEAT_CMMA 10
444 #define KVM_S390_VM_CPU_FEAT_PFMFI 11
445 #define KVM_S390_VM_CPU_FEAT_SIGPIF 12
446 #define KVM_S390_VM_CPU_FEAT_KSS 13
447 struct kvm_s390_vm_cpu_feat {
448 __u64 feat[16];
449 };
450
451 #define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC 4
452 #define KVM_S390_VM_CPU_MACHINE_SUBFUNC 5
453 /* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */
454 struct kvm_s390_vm_cpu_subfunc {
455 __u8 plo[32]; /* always */
456 __u8 ptff[16]; /* with TOD-clock steering */
457 __u8 kmac[16]; /* with MSA */
458 __u8 kmc[16]; /* with MSA */
459 __u8 km[16]; /* with MSA */
460 __u8 kimd[16]; /* with MSA */
461 __u8 klmd[16]; /* with MSA */
462 __u8 pckmo[16]; /* with MSA3 */
463 __u8 kmctr[16]; /* with MSA4 */
464 __u8 kmf[16]; /* with MSA4 */
465 __u8 kmo[16]; /* with MSA4 */
466 __u8 pcc[16]; /* with MSA4 */
467 __u8 ppno[16]; /* with MSA5 */
468 __u8 kma[16]; /* with MSA8 */
469 __u8 kdsa[16]; /* with MSA9 */
470 __u8 sortl[32]; /* with STFLE.150 */
471 __u8 dfltcc[32]; /* with STFLE.151 */
472 __u8 reserved[1728];
473 };
474
475 #define KVM_S390_VM_CPU_PROCESSOR_UV_FEAT_GUEST 6
476 #define KVM_S390_VM_CPU_MACHINE_UV_FEAT_GUEST 7
477
478 #define KVM_S390_VM_CPU_UV_FEAT_NR_BITS 64
479 struct kvm_s390_vm_cpu_uv_feat {
480 union {
481 struct {
482 __u64 : 4;
483 __u64 ap : 1; /* bit 4 */
484 __u64 ap_intr : 1; /* bit 5 */
485 __u64 : 58;
486 };
487 __u64 feat;
488 };
489 };
490
491 /* kvm attributes for crypto */
492 #define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0
493 #define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1
494 #define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2
495 #define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3
496 #define KVM_S390_VM_CRYPTO_ENABLE_APIE 4
497 #define KVM_S390_VM_CRYPTO_DISABLE_APIE 5
498
499 /* kvm attributes for migration mode */
500 #define KVM_S390_VM_MIGRATION_STOP 0
501 #define KVM_S390_VM_MIGRATION_START 1
502 #define KVM_S390_VM_MIGRATION_STATUS 2
503
504 /* for KVM_GET_REGS and KVM_SET_REGS */
505 struct kvm_regs {
506 /* general purpose regs for s390 */
507 __u64 gprs[16];
508 };
509
510 /* for KVM_GET_SREGS and KVM_SET_SREGS */
511 struct kvm_sregs {
512 __u32 acrs[16];
513 __u64 crs[16];
514 };
515
516 /* for KVM_GET_FPU and KVM_SET_FPU */
517 struct kvm_fpu {
518 __u32 fpc;
519 __u64 fprs[16];
520 };
521
522 #define KVM_GUESTDBG_USE_HW_BP 0x00010000
523
524 #define KVM_HW_BP 1
525 #define KVM_HW_WP_WRITE 2
526 #define KVM_SINGLESTEP 4
527
528 struct kvm_debug_exit_arch {
529 __u64 addr;
530 __u8 type;
531 __u8 pad[7]; /* Should be set to 0 */
532 };
533
534 struct kvm_hw_breakpoint {
535 __u64 addr;
536 __u64 phys_addr;
537 __u64 len;
538 __u8 type;
539 __u8 pad[7]; /* Should be set to 0 */
540 };
541
542 /* for KVM_SET_GUEST_DEBUG */
543 struct kvm_guest_debug_arch {
544 __u32 nr_hw_bp;
545 __u32 pad; /* Should be set to 0 */
546 struct kvm_hw_breakpoint __user *hw_bp;
547 };
548
549 /* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
550 #define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL
551
552 #define KVM_SYNC_PREFIX (1UL << 0)
553 #define KVM_SYNC_GPRS (1UL << 1)
554 #define KVM_SYNC_ACRS (1UL << 2)
555 #define KVM_SYNC_CRS (1UL << 3)
556 #define KVM_SYNC_ARCH0 (1UL << 4)
557 #define KVM_SYNC_PFAULT (1UL << 5)
558 #define KVM_SYNC_VRS (1UL << 6)
559 #define KVM_SYNC_RICCB (1UL << 7)
560 #define KVM_SYNC_FPRS (1UL << 8)
561 #define KVM_SYNC_GSCB (1UL << 9)
562 #define KVM_SYNC_BPBC (1UL << 10)
563 #define KVM_SYNC_ETOKEN (1UL << 11)
564 #define KVM_SYNC_DIAG318 (1UL << 12)
565
566 #define KVM_SYNC_S390_VALID_FIELDS \
567 (KVM_SYNC_PREFIX | KVM_SYNC_GPRS | KVM_SYNC_ACRS | KVM_SYNC_CRS | \
568 KVM_SYNC_ARCH0 | KVM_SYNC_PFAULT | KVM_SYNC_VRS | KVM_SYNC_RICCB | \
569 KVM_SYNC_FPRS | KVM_SYNC_GSCB | KVM_SYNC_BPBC | KVM_SYNC_ETOKEN | \
570 KVM_SYNC_DIAG318)
571
572 /* length and alignment of the sdnx as a power of two */
573 #define SDNXC 8
574 #define SDNXL (1UL << SDNXC)
575 /* definition of registers in kvm_run */
576 struct kvm_sync_regs {
577 __u64 prefix; /* prefix register */
578 __u64 gprs[16]; /* general purpose registers */
579 __u32 acrs[16]; /* access registers */
580 __u64 crs[16]; /* control registers */
581 __u64 todpr; /* tod programmable register [ARCH0] */
582 __u64 cputm; /* cpu timer [ARCH0] */
583 __u64 ckc; /* clock comparator [ARCH0] */
584 __u64 pp; /* program parameter [ARCH0] */
585 __u64 gbea; /* guest breaking-event address [ARCH0] */
586 __u64 pft; /* pfault token [PFAULT] */
587 __u64 pfs; /* pfault select [PFAULT] */
588 __u64 pfc; /* pfault compare [PFAULT] */
589 union {
590 __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */
591 __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */
592 };
593 __u8 reserved[512]; /* for future vector expansion */
594 __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */
595 __u8 bpbc : 1; /* bp mode */
596 __u8 reserved2 : 7;
597 __u8 padding1[51]; /* riccb needs to be 64byte aligned */
598 __u8 riccb[64]; /* runtime instrumentation controls block */
599 __u64 diag318; /* diagnose 0x318 info */
600 __u8 padding2[184]; /* sdnx needs to be 256byte aligned */
601 union {
602 __u8 sdnx[SDNXL]; /* state description annex */
603 struct {
604 __u64 reserved1[2];
605 __u64 gscb[4];
606 __u64 etoken;
607 __u64 etoken_extension;
608 };
609 };
610 };
611
612 #define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1)
613 #define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)
614 #define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3)
615 #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4)
616 #define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5)
617 #define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6)
618 #define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7)
619 #define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8)
620 #define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9)
621 #endif
622
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