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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
16struct 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 */
42struct 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 */
60struct 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
96struct 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
126struct kvm_s390_interrupt {
127 __u32 type;
128 __u32 parm;
129 __u64 parm64;
130};
131
132struct kvm_s390_io_info {
133 __u16 subchannel_id;
134 __u16 subchannel_nr;
135 __u32 io_int_parm;
136 __u32 io_int_word;
137};
138
139struct kvm_s390_ext_info {
140 __u32 ext_params;
141 __u32 pad;
142 __u64 ext_params2;
143};
144
145struct 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
166struct kvm_s390_prefix_info {
167 __u32 address;
168};
169
170struct kvm_s390_extcall_info {
171 __u16 code;
172};
173
174struct kvm_s390_emerg_info {
175 __u16 code;
176};
177
178#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
179struct kvm_s390_stop_info {
180 __u32 flags;
181};
182
183struct 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
192struct 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
207struct 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
214struct kvm_s390_ucas_mapping {
215 __u64 user_addr;
216 __u64 vcpu_addr;
217 __u64 length;
218};
219
220struct kvm_s390_pv_sec_parm {
221 __u64 origin;
222 __u64 length;
223};
224
225struct kvm_s390_pv_unp {
226 __u64 addr;
227 __u64 size;
228 __u64 tweak;
229};
230
231enum 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
238struct 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
246enum pv_cmd_info_id {
247 KVM_PV_INFO_VM,
248 KVM_PV_INFO_DUMP,
249};
250
251struct 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
257struct 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
265struct kvm_s390_pv_info_header {
266 __u32 id;
267 __u32 len_max;
268 __u32 len_written;
269 __u32 reserved;
270};
271
272struct 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
280enum 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
294struct 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
303struct 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
352struct 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
362struct kvm_s390_ais_req {
363 __u8 isc;
364 __u16 mode;
365};
366
367struct 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
376struct 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
404struct 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
412struct 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
421struct 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
447struct 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 */
454struct 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 pfcr[16]; /* with STFLE.201 */
473 __u8 reserved[1712];
474};
475
476#define KVM_S390_VM_CPU_PROCESSOR_UV_FEAT_GUEST 6
477#define KVM_S390_VM_CPU_MACHINE_UV_FEAT_GUEST 7
478
479#define KVM_S390_VM_CPU_UV_FEAT_NR_BITS 64
480struct kvm_s390_vm_cpu_uv_feat {
481 union {
482 struct {
483 __u64 : 4;
484 __u64 ap : 1; /* bit 4 */
485 __u64 ap_intr : 1; /* bit 5 */
486 __u64 : 58;
487 };
488 __u64 feat;
489 };
490};
491
492/* kvm attributes for crypto */
493#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0
494#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1
495#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2
496#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3
497#define KVM_S390_VM_CRYPTO_ENABLE_APIE 4
498#define KVM_S390_VM_CRYPTO_DISABLE_APIE 5
499
500/* kvm attributes for migration mode */
501#define KVM_S390_VM_MIGRATION_STOP 0
502#define KVM_S390_VM_MIGRATION_START 1
503#define KVM_S390_VM_MIGRATION_STATUS 2
504
505/* for KVM_GET_REGS and KVM_SET_REGS */
506struct kvm_regs {
507 /* general purpose regs for s390 */
508 __u64 gprs[16];
509};
510
511/* for KVM_GET_SREGS and KVM_SET_SREGS */
512struct kvm_sregs {
513 __u32 acrs[16];
514 __u64 crs[16];
515};
516
517/* for KVM_GET_FPU and KVM_SET_FPU */
518struct kvm_fpu {
519 __u32 fpc;
520 __u64 fprs[16];
521};
522
523#define KVM_GUESTDBG_USE_HW_BP 0x00010000
524
525#define KVM_HW_BP 1
526#define KVM_HW_WP_WRITE 2
527#define KVM_SINGLESTEP 4
528
529struct kvm_debug_exit_arch {
530 __u64 addr;
531 __u8 type;
532 __u8 pad[7]; /* Should be set to 0 */
533};
534
535struct kvm_hw_breakpoint {
536 __u64 addr;
537 __u64 phys_addr;
538 __u64 len;
539 __u8 type;
540 __u8 pad[7]; /* Should be set to 0 */
541};
542
543/* for KVM_SET_GUEST_DEBUG */
544struct kvm_guest_debug_arch {
545 __u32 nr_hw_bp;
546 __u32 pad; /* Should be set to 0 */
547 struct kvm_hw_breakpoint __user *hw_bp;
548};
549
550/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
551#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL
552
553#define KVM_SYNC_PREFIX (1UL << 0)
554#define KVM_SYNC_GPRS (1UL << 1)
555#define KVM_SYNC_ACRS (1UL << 2)
556#define KVM_SYNC_CRS (1UL << 3)
557#define KVM_SYNC_ARCH0 (1UL << 4)
558#define KVM_SYNC_PFAULT (1UL << 5)
559#define KVM_SYNC_VRS (1UL << 6)
560#define KVM_SYNC_RICCB (1UL << 7)
561#define KVM_SYNC_FPRS (1UL << 8)
562#define KVM_SYNC_GSCB (1UL << 9)
563#define KVM_SYNC_BPBC (1UL << 10)
564#define KVM_SYNC_ETOKEN (1UL << 11)
565#define KVM_SYNC_DIAG318 (1UL << 12)
566
567#define KVM_SYNC_S390_VALID_FIELDS \
568 (KVM_SYNC_PREFIX | KVM_SYNC_GPRS | KVM_SYNC_ACRS | KVM_SYNC_CRS | \
569 KVM_SYNC_ARCH0 | KVM_SYNC_PFAULT | KVM_SYNC_VRS | KVM_SYNC_RICCB | \
570 KVM_SYNC_FPRS | KVM_SYNC_GSCB | KVM_SYNC_BPBC | KVM_SYNC_ETOKEN | \
571 KVM_SYNC_DIAG318)
572
573/* length and alignment of the sdnx as a power of two */
574#define SDNXC 8
575#define SDNXL (1UL << SDNXC)
576/* definition of registers in kvm_run */
577struct kvm_sync_regs {
578 __u64 prefix; /* prefix register */
579 __u64 gprs[16]; /* general purpose registers */
580 __u32 acrs[16]; /* access registers */
581 __u64 crs[16]; /* control registers */
582 __u64 todpr; /* tod programmable register [ARCH0] */
583 __u64 cputm; /* cpu timer [ARCH0] */
584 __u64 ckc; /* clock comparator [ARCH0] */
585 __u64 pp; /* program parameter [ARCH0] */
586 __u64 gbea; /* guest breaking-event address [ARCH0] */
587 __u64 pft; /* pfault token [PFAULT] */
588 __u64 pfs; /* pfault select [PFAULT] */
589 __u64 pfc; /* pfault compare [PFAULT] */
590 union {
591 __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */
592 __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */
593 };
594 __u8 reserved[512]; /* for future vector expansion */
595 __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */
596 __u8 bpbc : 1; /* bp mode */
597 __u8 reserved2 : 7;
598 __u8 padding1[51]; /* riccb needs to be 64byte aligned */
599 __u8 riccb[64]; /* runtime instrumentation controls block */
600 __u64 diag318; /* diagnose 0x318 info */
601 __u8 padding2[184]; /* sdnx needs to be 256byte aligned */
602 union {
603 __u8 sdnx[SDNXL]; /* state description annex */
604 struct {
605 __u64 reserved1[2];
606 __u64 gscb[4];
607 __u64 etoken;
608 __u64 etoken_extension;
609 };
610 };
611};
612
613#define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1)
614#define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)
615#define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3)
616#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4)
617#define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5)
618#define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6)
619#define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7)
620#define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8)
621#define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9)
622#endif
623

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source code of linux/tools/arch/s390/include/uapi/asm/kvm.h