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11#ifndef ASM_KVM_HOST_H
12#define ASM_KVM_HOST_H
13
14#include <linux/types.h>
15#include <linux/hrtimer.h>
16#include <linux/interrupt.h>
17#include <linux/kvm_types.h>
18#include <linux/kvm_host.h>
19#include <linux/kvm.h>
20#include <linux/seqlock.h>
21#include <linux/module.h>
22#include <asm/debug.h>
23#include <asm/cpu.h>
24#include <asm/fpu/api.h>
25#include <asm/isc.h>
26#include <asm/guarded_storage.h>
27
28#define KVM_S390_BSCA_CPU_SLOTS 64
29#define KVM_S390_ESCA_CPU_SLOTS 248
30#define KVM_MAX_VCPUS 255
31#define KVM_USER_MEM_SLOTS 32
32
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35
36
37
38#define KVM_NR_IRQCHIPS 1
39#define KVM_IRQCHIP_NUM_PINS 4096
40#define KVM_HALT_POLL_NS_DEFAULT 50000
41
42
43#define KVM_REQ_ENABLE_IBS KVM_ARCH_REQ(0)
44#define KVM_REQ_DISABLE_IBS KVM_ARCH_REQ(1)
45#define KVM_REQ_ICPT_OPEREXC KVM_ARCH_REQ(2)
46#define KVM_REQ_START_MIGRATION KVM_ARCH_REQ(3)
47#define KVM_REQ_STOP_MIGRATION KVM_ARCH_REQ(4)
48#define KVM_REQ_VSIE_RESTART KVM_ARCH_REQ(5)
49
50#define SIGP_CTRL_C 0x80
51#define SIGP_CTRL_SCN_MASK 0x3f
52
53union bsca_sigp_ctrl {
54 __u8 value;
55 struct {
56 __u8 c : 1;
57 __u8 r : 1;
58 __u8 scn : 6;
59 };
60};
61
62union esca_sigp_ctrl {
63 __u16 value;
64 struct {
65 __u8 c : 1;
66 __u8 reserved: 7;
67 __u8 scn;
68 };
69};
70
71struct esca_entry {
72 union esca_sigp_ctrl sigp_ctrl;
73 __u16 reserved1[3];
74 __u64 sda;
75 __u64 reserved2[6];
76};
77
78struct bsca_entry {
79 __u8 reserved0;
80 union bsca_sigp_ctrl sigp_ctrl;
81 __u16 reserved[3];
82 __u64 sda;
83 __u64 reserved2[2];
84};
85
86union ipte_control {
87 unsigned long val;
88 struct {
89 unsigned long k : 1;
90 unsigned long kh : 31;
91 unsigned long kg : 32;
92 };
93};
94
95struct bsca_block {
96 union ipte_control ipte_control;
97 __u64 reserved[5];
98 __u64 mcn;
99 __u64 reserved2;
100 struct bsca_entry cpu[KVM_S390_BSCA_CPU_SLOTS];
101};
102
103struct esca_block {
104 union ipte_control ipte_control;
105 __u64 reserved1[7];
106 __u64 mcn[4];
107 __u64 reserved2[20];
108 struct esca_entry cpu[KVM_S390_ESCA_CPU_SLOTS];
109};
110
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115
116
117
118struct mcck_volatile_info {
119 __u64 mcic;
120 __u64 failing_storage_address;
121 __u32 ext_damage_code;
122 __u32 reserved;
123};
124
125#define CPUSTAT_STOPPED 0x80000000
126#define CPUSTAT_WAIT 0x10000000
127#define CPUSTAT_ECALL_PEND 0x08000000
128#define CPUSTAT_STOP_INT 0x04000000
129#define CPUSTAT_IO_INT 0x02000000
130#define CPUSTAT_EXT_INT 0x01000000
131#define CPUSTAT_RUNNING 0x00800000
132#define CPUSTAT_RETAINED 0x00400000
133#define CPUSTAT_TIMING_SUB 0x00020000
134#define CPUSTAT_SIE_SUB 0x00010000
135#define CPUSTAT_RRF 0x00008000
136#define CPUSTAT_SLSV 0x00004000
137#define CPUSTAT_SLSR 0x00002000
138#define CPUSTAT_ZARCH 0x00000800
139#define CPUSTAT_MCDS 0x00000100
140#define CPUSTAT_KSS 0x00000200
141#define CPUSTAT_SM 0x00000080
142#define CPUSTAT_IBS 0x00000040
143#define CPUSTAT_GED2 0x00000010
144#define CPUSTAT_G 0x00000008
145#define CPUSTAT_GED 0x00000004
146#define CPUSTAT_J 0x00000002
147#define CPUSTAT_P 0x00000001
148
149struct kvm_s390_sie_block {
150 atomic_t cpuflags;
151 __u32 : 1;
152 __u32 prefix : 18;
153 __u32 : 1;
154 __u32 ibc : 12;
155 __u8 reserved08[4];
156#define PROG_IN_SIE (1<<0)
157 __u32 prog0c;
158 __u8 reserved10[16];
159#define PROG_BLOCK_SIE (1<<0)
160#define PROG_REQUEST (1<<1)
161 atomic_t prog20;
162 __u8 reserved24[4];
163 __u64 cputm;
164 __u64 ckc;
165 __u64 epoch;
166 __u32 svcc;
167#define LCTL_CR0 0x8000
168#define LCTL_CR6 0x0200
169#define LCTL_CR9 0x0040
170#define LCTL_CR10 0x0020
171#define LCTL_CR11 0x0010
172#define LCTL_CR14 0x0002
173 __u16 lctl;
174 __s16 icpua;
175#define ICTL_OPEREXC 0x80000000
176#define ICTL_PINT 0x20000000
177#define ICTL_LPSW 0x00400000
178#define ICTL_STCTL 0x00040000
179#define ICTL_ISKE 0x00004000
180#define ICTL_SSKE 0x00002000
181#define ICTL_RRBE 0x00001000
182#define ICTL_TPROT 0x00000200
183 __u32 ictl;
184#define ECA_CEI 0x80000000
185#define ECA_IB 0x40000000
186#define ECA_SIGPI 0x10000000
187#define ECA_MVPGI 0x01000000
188#define ECA_AIV 0x00200000
189#define ECA_VX 0x00020000
190#define ECA_PROTEXCI 0x00002000
191#define ECA_APIE 0x00000008
192#define ECA_SII 0x00000001
193 __u32 eca;
194#define ICPT_INST 0x04
195#define ICPT_PROGI 0x08
196#define ICPT_INSTPROGI 0x0C
197#define ICPT_EXTREQ 0x10
198#define ICPT_EXTINT 0x14
199#define ICPT_IOREQ 0x18
200#define ICPT_WAIT 0x1c
201#define ICPT_VALIDITY 0x20
202#define ICPT_STOP 0x28
203#define ICPT_OPEREXC 0x2C
204#define ICPT_PARTEXEC 0x38
205#define ICPT_IOINST 0x40
206#define ICPT_KSS 0x5c
207 __u8 icptcode;
208 __u8 icptstatus;
209 __u16 ihcpu;
210 __u8 reserved54[2];
211 __u16 ipa;
212 __u32 ipb;
213 __u32 scaoh;
214#define FPF_BPBC 0x20
215 __u8 fpf;
216#define ECB_GS 0x40
217#define ECB_TE 0x10
218#define ECB_SRSI 0x04
219#define ECB_HOSTPROTINT 0x02
220 __u8 ecb;
221#define ECB2_CMMA 0x80
222#define ECB2_IEP 0x20
223#define ECB2_PFMFI 0x08
224#define ECB2_ESCA 0x04
225 __u8 ecb2;
226#define ECB3_DEA 0x08
227#define ECB3_AES 0x04
228#define ECB3_RI 0x01
229 __u8 ecb3;
230 __u32 scaol;
231 __u8 reserved68;
232 __u8 epdx;
233 __u8 reserved6a[2];
234 __u32 todpr;
235#define GISA_FORMAT1 0x00000001
236 __u32 gd;
237 __u8 reserved74[12];
238 __u64 mso;
239 __u64 msl;
240 psw_t gpsw;
241 __u64 gg14;
242 __u64 gg15;
243 __u8 reservedb0[8];
244#define HPID_KVM 0x4
245#define HPID_VSIE 0x5
246 __u8 hpid;
247 __u8 reservedb9[11];
248 __u16 extcpuaddr;
249 __u16 eic;
250 __u32 reservedc8;
251 __u16 pgmilc;
252 __u16 iprcc;
253 __u32 dxc;
254 __u16 mcn;
255 __u8 perc;
256 __u8 peratmid;
257 __u64 peraddr;
258 __u8 eai;
259 __u8 peraid;
260 __u8 oai;
261 __u8 armid;
262 __u8 reservede4[4];
263 __u64 tecmc;
264 __u8 reservedf0[12];
265#define CRYCB_FORMAT_MASK 0x00000003
266#define CRYCB_FORMAT0 0x00000000
267#define CRYCB_FORMAT1 0x00000001
268#define CRYCB_FORMAT2 0x00000003
269 __u32 crycbd;
270 __u64 gcr[16];
271 __u64 gbea;
272 __u8 reserved188[8];
273 __u64 sdnxo;
274 __u8 reserved198[8];
275 __u32 fac;
276 __u8 reserved1a4[20];
277 __u64 cbrlo;
278 __u8 reserved1c0[8];
279#define ECD_HOSTREGMGMT 0x20000000
280#define ECD_MEF 0x08000000
281#define ECD_ETOKENF 0x02000000
282#define ECD_ECC 0x00200000
283 __u32 ecd;
284 __u8 reserved1cc[18];
285 __u64 pp;
286 __u8 reserved1e6[2];
287 __u64 itdba;
288 __u64 riccbd;
289 __u64 gvrd;
290} __attribute__((packed));
291
292struct kvm_s390_itdb {
293 __u8 data[256];
294};
295
296struct sie_page {
297 struct kvm_s390_sie_block sie_block;
298 struct mcck_volatile_info mcck_info;
299 __u8 reserved218[1000];
300 struct kvm_s390_itdb itdb;
301 __u8 reserved700[2304];
302};
303
304struct kvm_vcpu_stat {
305 u64 exit_userspace;
306 u64 exit_null;
307 u64 exit_external_request;
308 u64 exit_io_request;
309 u64 exit_external_interrupt;
310 u64 exit_stop_request;
311 u64 exit_validity;
312 u64 exit_instruction;
313 u64 exit_pei;
314 u64 halt_successful_poll;
315 u64 halt_attempted_poll;
316 u64 halt_poll_invalid;
317 u64 halt_no_poll_steal;
318 u64 halt_wakeup;
319 u64 instruction_lctl;
320 u64 instruction_lctlg;
321 u64 instruction_stctl;
322 u64 instruction_stctg;
323 u64 exit_program_interruption;
324 u64 exit_instr_and_program;
325 u64 exit_operation_exception;
326 u64 deliver_ckc;
327 u64 deliver_cputm;
328 u64 deliver_external_call;
329 u64 deliver_emergency_signal;
330 u64 deliver_service_signal;
331 u64 deliver_virtio;
332 u64 deliver_stop_signal;
333 u64 deliver_prefix_signal;
334 u64 deliver_restart_signal;
335 u64 deliver_program;
336 u64 deliver_io;
337 u64 deliver_machine_check;
338 u64 exit_wait_state;
339 u64 inject_ckc;
340 u64 inject_cputm;
341 u64 inject_external_call;
342 u64 inject_emergency_signal;
343 u64 inject_mchk;
344 u64 inject_pfault_init;
345 u64 inject_program;
346 u64 inject_restart;
347 u64 inject_set_prefix;
348 u64 inject_stop_signal;
349 u64 instruction_epsw;
350 u64 instruction_gs;
351 u64 instruction_io_other;
352 u64 instruction_lpsw;
353 u64 instruction_lpswe;
354 u64 instruction_pfmf;
355 u64 instruction_ptff;
356 u64 instruction_sck;
357 u64 instruction_sckpf;
358 u64 instruction_stidp;
359 u64 instruction_spx;
360 u64 instruction_stpx;
361 u64 instruction_stap;
362 u64 instruction_iske;
363 u64 instruction_ri;
364 u64 instruction_rrbe;
365 u64 instruction_sske;
366 u64 instruction_ipte_interlock;
367 u64 instruction_stsi;
368 u64 instruction_stfl;
369 u64 instruction_tb;
370 u64 instruction_tpi;
371 u64 instruction_tprot;
372 u64 instruction_tsch;
373 u64 instruction_sie;
374 u64 instruction_essa;
375 u64 instruction_sthyi;
376 u64 instruction_sigp_sense;
377 u64 instruction_sigp_sense_running;
378 u64 instruction_sigp_external_call;
379 u64 instruction_sigp_emergency;
380 u64 instruction_sigp_cond_emergency;
381 u64 instruction_sigp_start;
382 u64 instruction_sigp_stop;
383 u64 instruction_sigp_stop_store_status;
384 u64 instruction_sigp_store_status;
385 u64 instruction_sigp_store_adtl_status;
386 u64 instruction_sigp_arch;
387 u64 instruction_sigp_prefix;
388 u64 instruction_sigp_restart;
389 u64 instruction_sigp_init_cpu_reset;
390 u64 instruction_sigp_cpu_reset;
391 u64 instruction_sigp_unknown;
392 u64 diagnose_10;
393 u64 diagnose_44;
394 u64 diagnose_9c;
395 u64 diagnose_258;
396 u64 diagnose_308;
397 u64 diagnose_500;
398 u64 diagnose_other;
399};
400
401#define PGM_OPERATION 0x01
402#define PGM_PRIVILEGED_OP 0x02
403#define PGM_EXECUTE 0x03
404#define PGM_PROTECTION 0x04
405#define PGM_ADDRESSING 0x05
406#define PGM_SPECIFICATION 0x06
407#define PGM_DATA 0x07
408#define PGM_FIXED_POINT_OVERFLOW 0x08
409#define PGM_FIXED_POINT_DIVIDE 0x09
410#define PGM_DECIMAL_OVERFLOW 0x0a
411#define PGM_DECIMAL_DIVIDE 0x0b
412#define PGM_HFP_EXPONENT_OVERFLOW 0x0c
413#define PGM_HFP_EXPONENT_UNDERFLOW 0x0d
414#define PGM_HFP_SIGNIFICANCE 0x0e
415#define PGM_HFP_DIVIDE 0x0f
416#define PGM_SEGMENT_TRANSLATION 0x10
417#define PGM_PAGE_TRANSLATION 0x11
418#define PGM_TRANSLATION_SPEC 0x12
419#define PGM_SPECIAL_OPERATION 0x13
420#define PGM_OPERAND 0x15
421#define PGM_TRACE_TABEL 0x16
422#define PGM_VECTOR_PROCESSING 0x1b
423#define PGM_SPACE_SWITCH 0x1c
424#define PGM_HFP_SQUARE_ROOT 0x1d
425#define PGM_PC_TRANSLATION_SPEC 0x1f
426#define PGM_AFX_TRANSLATION 0x20
427#define PGM_ASX_TRANSLATION 0x21
428#define PGM_LX_TRANSLATION 0x22
429#define PGM_EX_TRANSLATION 0x23
430#define PGM_PRIMARY_AUTHORITY 0x24
431#define PGM_SECONDARY_AUTHORITY 0x25
432#define PGM_LFX_TRANSLATION 0x26
433#define PGM_LSX_TRANSLATION 0x27
434#define PGM_ALET_SPECIFICATION 0x28
435#define PGM_ALEN_TRANSLATION 0x29
436#define PGM_ALE_SEQUENCE 0x2a
437#define PGM_ASTE_VALIDITY 0x2b
438#define PGM_ASTE_SEQUENCE 0x2c
439#define PGM_EXTENDED_AUTHORITY 0x2d
440#define PGM_LSTE_SEQUENCE 0x2e
441#define PGM_ASTE_INSTANCE 0x2f
442#define PGM_STACK_FULL 0x30
443#define PGM_STACK_EMPTY 0x31
444#define PGM_STACK_SPECIFICATION 0x32
445#define PGM_STACK_TYPE 0x33
446#define PGM_STACK_OPERATION 0x34
447#define PGM_ASCE_TYPE 0x38
448#define PGM_REGION_FIRST_TRANS 0x39
449#define PGM_REGION_SECOND_TRANS 0x3a
450#define PGM_REGION_THIRD_TRANS 0x3b
451#define PGM_MONITOR 0x40
452#define PGM_PER 0x80
453#define PGM_CRYPTO_OPERATION 0x119
454
455
456enum irq_types {
457 IRQ_PEND_SET_PREFIX = 0,
458 IRQ_PEND_RESTART,
459 IRQ_PEND_SIGP_STOP,
460 IRQ_PEND_IO_ISC_7,
461 IRQ_PEND_IO_ISC_6,
462 IRQ_PEND_IO_ISC_5,
463 IRQ_PEND_IO_ISC_4,
464 IRQ_PEND_IO_ISC_3,
465 IRQ_PEND_IO_ISC_2,
466 IRQ_PEND_IO_ISC_1,
467 IRQ_PEND_IO_ISC_0,
468 IRQ_PEND_VIRTIO,
469 IRQ_PEND_PFAULT_DONE,
470 IRQ_PEND_PFAULT_INIT,
471 IRQ_PEND_EXT_HOST,
472 IRQ_PEND_EXT_SERVICE,
473 IRQ_PEND_EXT_TIMING,
474 IRQ_PEND_EXT_CPU_TIMER,
475 IRQ_PEND_EXT_CLOCK_COMP,
476 IRQ_PEND_EXT_EXTERNAL,
477 IRQ_PEND_EXT_EMERGENCY,
478 IRQ_PEND_EXT_MALFUNC,
479 IRQ_PEND_EXT_IRQ_KEY,
480 IRQ_PEND_MCHK_REP,
481 IRQ_PEND_PROG,
482 IRQ_PEND_SVC,
483 IRQ_PEND_MCHK_EX,
484 IRQ_PEND_COUNT
485};
486
487
488
489
490#define KVM_S390_MAX_VIRTIO_IRQS 87381
491
492
493
494
495
496#define MCHK_EXTD_BIT 58
497#define MCHK_DEGR_BIT 56
498#define MCHK_WARN_BIT 55
499#define MCHK_REP_MASK ((1UL << MCHK_DEGR_BIT) | \
500 (1UL << MCHK_EXTD_BIT) | \
501 (1UL << MCHK_WARN_BIT))
502
503
504#define MCHK_SD_BIT 63
505#define MCHK_PD_BIT 62
506#define MCHK_EX_MASK ((1UL << MCHK_SD_BIT) | (1UL << MCHK_PD_BIT))
507
508#define IRQ_PEND_EXT_MASK ((1UL << IRQ_PEND_EXT_IRQ_KEY) | \
509 (1UL << IRQ_PEND_EXT_CLOCK_COMP) | \
510 (1UL << IRQ_PEND_EXT_CPU_TIMER) | \
511 (1UL << IRQ_PEND_EXT_MALFUNC) | \
512 (1UL << IRQ_PEND_EXT_EMERGENCY) | \
513 (1UL << IRQ_PEND_EXT_EXTERNAL) | \
514 (1UL << IRQ_PEND_EXT_TIMING) | \
515 (1UL << IRQ_PEND_EXT_HOST) | \
516 (1UL << IRQ_PEND_EXT_SERVICE) | \
517 (1UL << IRQ_PEND_VIRTIO) | \
518 (1UL << IRQ_PEND_PFAULT_INIT) | \
519 (1UL << IRQ_PEND_PFAULT_DONE))
520
521#define IRQ_PEND_IO_MASK ((1UL << IRQ_PEND_IO_ISC_0) | \
522 (1UL << IRQ_PEND_IO_ISC_1) | \
523 (1UL << IRQ_PEND_IO_ISC_2) | \
524 (1UL << IRQ_PEND_IO_ISC_3) | \
525 (1UL << IRQ_PEND_IO_ISC_4) | \
526 (1UL << IRQ_PEND_IO_ISC_5) | \
527 (1UL << IRQ_PEND_IO_ISC_6) | \
528 (1UL << IRQ_PEND_IO_ISC_7))
529
530#define IRQ_PEND_MCHK_MASK ((1UL << IRQ_PEND_MCHK_REP) | \
531 (1UL << IRQ_PEND_MCHK_EX))
532
533struct kvm_s390_interrupt_info {
534 struct list_head list;
535 u64 type;
536 union {
537 struct kvm_s390_io_info io;
538 struct kvm_s390_ext_info ext;
539 struct kvm_s390_pgm_info pgm;
540 struct kvm_s390_emerg_info emerg;
541 struct kvm_s390_extcall_info extcall;
542 struct kvm_s390_prefix_info prefix;
543 struct kvm_s390_stop_info stop;
544 struct kvm_s390_mchk_info mchk;
545 };
546};
547
548struct kvm_s390_irq_payload {
549 struct kvm_s390_io_info io;
550 struct kvm_s390_ext_info ext;
551 struct kvm_s390_pgm_info pgm;
552 struct kvm_s390_emerg_info emerg;
553 struct kvm_s390_extcall_info extcall;
554 struct kvm_s390_prefix_info prefix;
555 struct kvm_s390_stop_info stop;
556 struct kvm_s390_mchk_info mchk;
557};
558
559struct kvm_s390_local_interrupt {
560 spinlock_t lock;
561 DECLARE_BITMAP(sigp_emerg_pending, KVM_MAX_VCPUS);
562 struct kvm_s390_irq_payload irq;
563 unsigned long pending_irqs;
564};
565
566#define FIRQ_LIST_IO_ISC_0 0
567#define FIRQ_LIST_IO_ISC_1 1
568#define FIRQ_LIST_IO_ISC_2 2
569#define FIRQ_LIST_IO_ISC_3 3
570#define FIRQ_LIST_IO_ISC_4 4
571#define FIRQ_LIST_IO_ISC_5 5
572#define FIRQ_LIST_IO_ISC_6 6
573#define FIRQ_LIST_IO_ISC_7 7
574#define FIRQ_LIST_PFAULT 8
575#define FIRQ_LIST_VIRTIO 9
576#define FIRQ_LIST_COUNT 10
577#define FIRQ_CNTR_IO 0
578#define FIRQ_CNTR_SERVICE 1
579#define FIRQ_CNTR_VIRTIO 2
580#define FIRQ_CNTR_PFAULT 3
581#define FIRQ_MAX_COUNT 4
582
583
584#define AIS_MODE_MASK(isc) (0x80 >> isc)
585
586#define KVM_S390_AIS_MODE_ALL 0
587#define KVM_S390_AIS_MODE_SINGLE 1
588
589struct kvm_s390_float_interrupt {
590 unsigned long pending_irqs;
591 spinlock_t lock;
592 struct list_head lists[FIRQ_LIST_COUNT];
593 int counters[FIRQ_MAX_COUNT];
594 struct kvm_s390_mchk_info mchk;
595 struct kvm_s390_ext_info srv_signal;
596 int next_rr_cpu;
597 struct mutex ais_lock;
598 u8 simm;
599 u8 nimm;
600};
601
602struct kvm_hw_wp_info_arch {
603 unsigned long addr;
604 unsigned long phys_addr;
605 int len;
606 char *old_data;
607};
608
609struct kvm_hw_bp_info_arch {
610 unsigned long addr;
611 int len;
612};
613
614
615
616
617
618
619#define KVM_GUESTDBG_EXIT_PENDING 0x10000000
620
621#define guestdbg_enabled(vcpu) \
622 (vcpu->guest_debug & KVM_GUESTDBG_ENABLE)
623#define guestdbg_sstep_enabled(vcpu) \
624 (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
625#define guestdbg_hw_bp_enabled(vcpu) \
626 (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)
627#define guestdbg_exit_pending(vcpu) (guestdbg_enabled(vcpu) && \
628 (vcpu->guest_debug & KVM_GUESTDBG_EXIT_PENDING))
629
630struct kvm_guestdbg_info_arch {
631 unsigned long cr0;
632 unsigned long cr9;
633 unsigned long cr10;
634 unsigned long cr11;
635 struct kvm_hw_bp_info_arch *hw_bp_info;
636 struct kvm_hw_wp_info_arch *hw_wp_info;
637 int nr_hw_bp;
638 int nr_hw_wp;
639 unsigned long last_bp;
640};
641
642struct kvm_vcpu_arch {
643 struct kvm_s390_sie_block *sie_block;
644
645 struct kvm_s390_sie_block *vsie_block;
646 unsigned int host_acrs[NUM_ACRS];
647 struct gs_cb *host_gscb;
648 struct fpu host_fpregs;
649 struct kvm_s390_local_interrupt local_int;
650 struct hrtimer ckc_timer;
651 struct kvm_s390_pgm_info pgm;
652 struct gmap *gmap;
653
654 struct gmap *enabled_gmap;
655 struct kvm_guestdbg_info_arch guestdbg;
656 unsigned long pfault_token;
657 unsigned long pfault_select;
658 unsigned long pfault_compare;
659 bool cputm_enabled;
660
661
662
663
664
665
666 seqcount_t cputm_seqcount;
667 __u64 cputm_start;
668 bool gs_enabled;
669 bool skey_enabled;
670};
671
672struct kvm_vm_stat {
673 u64 inject_io;
674 u64 inject_float_mchk;
675 u64 inject_pfault_done;
676 u64 inject_service_signal;
677 u64 inject_virtio;
678 u64 remote_tlb_flush;
679};
680
681struct kvm_arch_memory_slot {
682};
683
684struct s390_map_info {
685 struct list_head list;
686 __u64 guest_addr;
687 __u64 addr;
688 struct page *page;
689};
690
691struct s390_io_adapter {
692 unsigned int id;
693 int isc;
694 bool maskable;
695 bool masked;
696 bool swap;
697 bool suppressible;
698 struct rw_semaphore maps_lock;
699 struct list_head maps;
700 atomic_t nr_maps;
701};
702
703#define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8)
704#define MAX_S390_ADAPTER_MAPS 256
705
706
707#define S390_ARCH_FAC_LIST_SIZE_BYTE (1<<11)
708#define S390_ARCH_FAC_LIST_SIZE_U64 \
709 (S390_ARCH_FAC_LIST_SIZE_BYTE / sizeof(u64))
710#define S390_ARCH_FAC_MASK_SIZE_BYTE S390_ARCH_FAC_LIST_SIZE_BYTE
711#define S390_ARCH_FAC_MASK_SIZE_U64 \
712 (S390_ARCH_FAC_MASK_SIZE_BYTE / sizeof(u64))
713
714struct kvm_s390_cpu_model {
715
716 __u64 fac_mask[S390_ARCH_FAC_LIST_SIZE_U64];
717 struct kvm_s390_vm_cpu_subfunc subfuncs;
718
719 __u64 *fac_list;
720 u64 cpuid;
721 unsigned short ibc;
722};
723
724struct kvm_s390_module_hook {
725 int (*hook)(struct kvm_vcpu *vcpu);
726 struct module *owner;
727};
728
729struct kvm_s390_crypto {
730 struct kvm_s390_crypto_cb *crycb;
731 struct kvm_s390_module_hook *pqap_hook;
732 __u32 crycbd;
733 __u8 aes_kw;
734 __u8 dea_kw;
735 __u8 apie;
736};
737
738#define APCB0_MASK_SIZE 1
739struct kvm_s390_apcb0 {
740 __u64 apm[APCB0_MASK_SIZE];
741 __u64 aqm[APCB0_MASK_SIZE];
742 __u64 adm[APCB0_MASK_SIZE];
743 __u64 reserved18;
744};
745
746#define APCB1_MASK_SIZE 4
747struct kvm_s390_apcb1 {
748 __u64 apm[APCB1_MASK_SIZE];
749 __u64 aqm[APCB1_MASK_SIZE];
750 __u64 adm[APCB1_MASK_SIZE];
751 __u64 reserved60[4];
752};
753
754struct kvm_s390_crypto_cb {
755 struct kvm_s390_apcb0 apcb0;
756 __u8 reserved20[0x0048 - 0x0020];
757 __u8 dea_wrapping_key_mask[24];
758 __u8 aes_wrapping_key_mask[32];
759 struct kvm_s390_apcb1 apcb1;
760};
761
762struct kvm_s390_gisa {
763 union {
764 struct {
765 u32 next_alert;
766 u8 ipm;
767 u8 reserved01[2];
768 u8 iam;
769 };
770 struct {
771 u32 next_alert;
772 u8 ipm;
773 u8 reserved01;
774 u8 : 6;
775 u8 g : 1;
776 u8 c : 1;
777 u8 iam;
778 u8 reserved02[4];
779 u32 airq_count;
780 } g0;
781 struct {
782 u32 next_alert;
783 u8 ipm;
784 u8 simm;
785 u8 nimm;
786 u8 iam;
787 u8 aism[8];
788 u8 : 6;
789 u8 g : 1;
790 u8 c : 1;
791 u8 reserved03[11];
792 u32 airq_count;
793 } g1;
794 struct {
795 u64 word[4];
796 } u64;
797 };
798};
799
800struct kvm_s390_gib {
801 u32 alert_list_origin;
802 u32 reserved01;
803 u8:5;
804 u8 nisc:3;
805 u8 reserved03[3];
806 u32 reserved04[5];
807};
808
809
810
811
812
813struct sie_page2 {
814 __u64 fac_list[S390_ARCH_FAC_LIST_SIZE_U64];
815 struct kvm_s390_crypto_cb crycb;
816 struct kvm_s390_gisa gisa;
817 struct kvm *kvm;
818 u8 reserved928[0x1000 - 0x928];
819};
820
821struct kvm_s390_vsie {
822 struct mutex mutex;
823 struct radix_tree_root addr_to_page;
824 int page_count;
825 int next;
826 struct page *pages[KVM_MAX_VCPUS];
827};
828
829struct kvm_s390_gisa_iam {
830 u8 mask;
831 spinlock_t ref_lock;
832 u32 ref_count[MAX_ISC + 1];
833};
834
835struct kvm_s390_gisa_interrupt {
836 struct kvm_s390_gisa *origin;
837 struct kvm_s390_gisa_iam alert;
838 struct hrtimer timer;
839 u64 expires;
840 DECLARE_BITMAP(kicked_mask, KVM_MAX_VCPUS);
841};
842
843struct kvm_arch{
844 void *sca;
845 int use_esca;
846 rwlock_t sca_lock;
847 debug_info_t *dbf;
848 struct kvm_s390_float_interrupt float_int;
849 struct kvm_device *flic;
850 struct gmap *gmap;
851 unsigned long mem_limit;
852 int css_support;
853 int use_irqchip;
854 int use_cmma;
855 int use_pfmfi;
856 int use_skf;
857 int user_cpu_state_ctrl;
858 int user_sigp;
859 int user_stsi;
860 int user_instr0;
861 struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS];
862 wait_queue_head_t ipte_wq;
863 int ipte_lock_count;
864 struct mutex ipte_mutex;
865 spinlock_t start_stop_lock;
866 struct sie_page2 *sie_page2;
867 struct kvm_s390_cpu_model model;
868 struct kvm_s390_crypto crypto;
869 struct kvm_s390_vsie vsie;
870 u8 epdx;
871 u64 epoch;
872 int migration_mode;
873 atomic64_t cmma_dirty_pages;
874
875 DECLARE_BITMAP(cpu_feat, KVM_S390_VM_CPU_FEAT_NR_BITS);
876 DECLARE_BITMAP(idle_mask, KVM_MAX_VCPUS);
877 struct kvm_s390_gisa_interrupt gisa_int;
878};
879
880#define KVM_HVA_ERR_BAD (-1UL)
881#define KVM_HVA_ERR_RO_BAD (-2UL)
882
883static inline bool kvm_is_error_hva(unsigned long addr)
884{
885 return IS_ERR_VALUE(addr);
886}
887
888#define ASYNC_PF_PER_VCPU 64
889struct kvm_arch_async_pf {
890 unsigned long pfault_token;
891};
892
893bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu);
894
895void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu,
896 struct kvm_async_pf *work);
897
898void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
899 struct kvm_async_pf *work);
900
901void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
902 struct kvm_async_pf *work);
903
904void kvm_arch_crypto_clear_masks(struct kvm *kvm);
905void kvm_arch_crypto_set_masks(struct kvm *kvm, unsigned long *apm,
906 unsigned long *aqm, unsigned long *adm);
907
908extern int sie64a(struct kvm_s390_sie_block *, u64 *);
909extern char sie_exit;
910
911extern int kvm_s390_gisc_register(struct kvm *kvm, u32 gisc);
912extern int kvm_s390_gisc_unregister(struct kvm *kvm, u32 gisc);
913
914static inline void kvm_arch_hardware_disable(void) {}
915static inline void kvm_arch_sync_events(struct kvm *kvm) {}
916static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {}
917static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
918static inline void kvm_arch_free_memslot(struct kvm *kvm,
919 struct kvm_memory_slot *free, struct kvm_memory_slot *dont) {}
920static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
921static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
922static inline void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
923 struct kvm_memory_slot *slot) {}
924static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
925static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
926
927void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu);
928
929#endif
930