2 * S/390 virtual CPU header
4 * Copyright (c) 2009 Ulrich Hecht
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * Contributions after 2012-10-29 are licensed under the terms of the
17 * GNU GPL, version 2 or (at your option) any later version.
19 * You should have received a copy of the GNU (Lesser) General Public
20 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
25 #include "qemu-common.h"
28 #define TARGET_LONG_BITS 64
30 #define ELF_MACHINE_UNAME "S390X"
32 #define CPUArchState struct CPUS390XState
34 #include "exec/cpu-defs.h"
35 #define TARGET_PAGE_BITS 12
37 #define TARGET_PHYS_ADDR_SPACE_BITS 64
38 #define TARGET_VIRT_ADDR_SPACE_BITS 64
40 #include "exec/cpu-all.h"
42 #include "fpu/softfloat.h"
44 #define NB_MMU_MODES 3
45 #define TARGET_INSN_START_EXTRA_WORDS 1
47 #define MMU_MODE0_SUFFIX _primary
48 #define MMU_MODE1_SUFFIX _secondary
49 #define MMU_MODE2_SUFFIX _home
51 #define MMU_USER_IDX 0
53 #define MAX_EXT_QUEUE 16
54 #define MAX_IO_QUEUE 16
55 #define MAX_MCHK_QUEUE 16
57 #define PSW_MCHK_MASK 0x0004000000000000
58 #define PSW_IO_MASK 0x0200000000000000
65 typedef struct ExtQueue {
71 typedef struct IOIntQueue {
78 typedef struct MchkQueue {
82 typedef struct CPUS390XState {
83 uint64_t regs[16]; /* GP registers */
85 * The floating point registers are part of the vector registers.
86 * vregs[0][0] -> vregs[15][0] are 16 floating point registers
88 CPU_DoubleU vregs[32][2]; /* vector registers */
89 uint32_t aregs[16]; /* access registers */
91 uint32_t fpc; /* floating-point control register */
94 float_status fpu_status; /* passed to softfloat lib */
96 /* The low part of a 128-bit return, or remainder of a divide. */
105 uint64_t __excp_addr;
108 uint32_t int_pgm_code;
109 uint32_t int_pgm_ilen;
111 uint32_t int_svc_code;
112 uint32_t int_svc_ilen;
114 uint64_t per_address;
115 uint16_t per_perc_atmid;
117 uint64_t cregs[16]; /* control registers */
119 ExtQueue ext_queue[MAX_EXT_QUEUE];
120 IOIntQueue io_queue[MAX_IO_QUEUE][8];
121 MchkQueue mchk_queue[MAX_MCHK_QUEUE];
132 uint64_t pfault_token;
133 uint64_t pfault_compare;
134 uint64_t pfault_select;
143 /* reset does memset(0) up to here */
146 uint32_t machine_type;
149 uint64_t tod_basetime;
150 QEMUTimer *tod_timer;
152 QEMUTimer *cpu_timer;
155 * The cpu state represents the logical state of a cpu. In contrast to other
156 * architectures, there is a difference between a halt and a stop on s390.
157 * If all cpus are either stopped (including check stop) or in the disabled
158 * wait state, the vm can be shut down.
160 #define CPU_STATE_UNINITIALIZED 0x00
161 #define CPU_STATE_STOPPED 0x01
162 #define CPU_STATE_CHECK_STOP 0x02
163 #define CPU_STATE_OPERATING 0x03
164 #define CPU_STATE_LOAD 0x04
167 /* currently processed sigp order */
172 static inline CPU_DoubleU *get_freg(CPUS390XState *cs, int nr)
174 return &cs->vregs[nr][0];
179 * @env: #CPUS390XState.
190 /* needed for live migration */
192 uint32_t irqstate_saved_size;
195 static inline S390CPU *s390_env_get_cpu(CPUS390XState *env)
197 return container_of(env, S390CPU, env);
200 #define ENV_GET_CPU(e) CPU(s390_env_get_cpu(e))
202 #define ENV_OFFSET offsetof(S390CPU, env)
204 #ifndef CONFIG_USER_ONLY
205 extern const struct VMStateDescription vmstate_s390_cpu;
208 void s390_cpu_do_interrupt(CPUState *cpu);
209 bool s390_cpu_exec_interrupt(CPUState *cpu, int int_req);
210 void s390_cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
212 int s390_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs,
213 int cpuid, void *opaque);
215 hwaddr s390_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
216 hwaddr s390_cpu_get_phys_addr_debug(CPUState *cpu, vaddr addr);
217 int s390_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
218 int s390_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
219 void s390_cpu_gdb_init(CPUState *cs);
220 void s390x_cpu_debug_excp_handler(CPUState *cs);
222 #include <sysemu/kvm.h>
224 /* distinguish between 24 bit and 31 bit addressing */
225 #define HIGH_ORDER_BIT 0x80000000
227 /* Interrupt Codes */
228 /* Program Interrupts */
229 #define PGM_OPERATION 0x0001
230 #define PGM_PRIVILEGED 0x0002
231 #define PGM_EXECUTE 0x0003
232 #define PGM_PROTECTION 0x0004
233 #define PGM_ADDRESSING 0x0005
234 #define PGM_SPECIFICATION 0x0006
235 #define PGM_DATA 0x0007
236 #define PGM_FIXPT_OVERFLOW 0x0008
237 #define PGM_FIXPT_DIVIDE 0x0009
238 #define PGM_DEC_OVERFLOW 0x000a
239 #define PGM_DEC_DIVIDE 0x000b
240 #define PGM_HFP_EXP_OVERFLOW 0x000c
241 #define PGM_HFP_EXP_UNDERFLOW 0x000d
242 #define PGM_HFP_SIGNIFICANCE 0x000e
243 #define PGM_HFP_DIVIDE 0x000f
244 #define PGM_SEGMENT_TRANS 0x0010
245 #define PGM_PAGE_TRANS 0x0011
246 #define PGM_TRANS_SPEC 0x0012
247 #define PGM_SPECIAL_OP 0x0013
248 #define PGM_OPERAND 0x0015
249 #define PGM_TRACE_TABLE 0x0016
250 #define PGM_SPACE_SWITCH 0x001c
251 #define PGM_HFP_SQRT 0x001d
252 #define PGM_PC_TRANS_SPEC 0x001f
253 #define PGM_AFX_TRANS 0x0020
254 #define PGM_ASX_TRANS 0x0021
255 #define PGM_LX_TRANS 0x0022
256 #define PGM_EX_TRANS 0x0023
257 #define PGM_PRIM_AUTH 0x0024
258 #define PGM_SEC_AUTH 0x0025
259 #define PGM_ALET_SPEC 0x0028
260 #define PGM_ALEN_SPEC 0x0029
261 #define PGM_ALE_SEQ 0x002a
262 #define PGM_ASTE_VALID 0x002b
263 #define PGM_ASTE_SEQ 0x002c
264 #define PGM_EXT_AUTH 0x002d
265 #define PGM_STACK_FULL 0x0030
266 #define PGM_STACK_EMPTY 0x0031
267 #define PGM_STACK_SPEC 0x0032
268 #define PGM_STACK_TYPE 0x0033
269 #define PGM_STACK_OP 0x0034
270 #define PGM_ASCE_TYPE 0x0038
271 #define PGM_REG_FIRST_TRANS 0x0039
272 #define PGM_REG_SEC_TRANS 0x003a
273 #define PGM_REG_THIRD_TRANS 0x003b
274 #define PGM_MONITOR 0x0040
275 #define PGM_PER 0x0080
276 #define PGM_CRYPTO 0x0119
278 /* External Interrupts */
279 #define EXT_INTERRUPT_KEY 0x0040
280 #define EXT_CLOCK_COMP 0x1004
281 #define EXT_CPU_TIMER 0x1005
282 #define EXT_MALFUNCTION 0x1200
283 #define EXT_EMERGENCY 0x1201
284 #define EXT_EXTERNAL_CALL 0x1202
285 #define EXT_ETR 0x1406
286 #define EXT_SERVICE 0x2401
287 #define EXT_VIRTIO 0x2603
296 #undef PSW_MASK_MCHECK
298 #undef PSW_MASK_PSTATE
304 #undef PSW_MASK_ESA_ADDR
306 #define PSW_MASK_PER 0x4000000000000000ULL
307 #define PSW_MASK_DAT 0x0400000000000000ULL
308 #define PSW_MASK_IO 0x0200000000000000ULL
309 #define PSW_MASK_EXT 0x0100000000000000ULL
310 #define PSW_MASK_KEY 0x00F0000000000000ULL
311 #define PSW_SHIFT_KEY 56
312 #define PSW_MASK_MCHECK 0x0004000000000000ULL
313 #define PSW_MASK_WAIT 0x0002000000000000ULL
314 #define PSW_MASK_PSTATE 0x0001000000000000ULL
315 #define PSW_MASK_ASC 0x0000C00000000000ULL
316 #define PSW_MASK_CC 0x0000300000000000ULL
317 #define PSW_MASK_PM 0x00000F0000000000ULL
318 #define PSW_MASK_64 0x0000000100000000ULL
319 #define PSW_MASK_32 0x0000000080000000ULL
320 #define PSW_MASK_ESA_ADDR 0x000000007fffffffULL
322 #undef PSW_ASC_PRIMARY
323 #undef PSW_ASC_ACCREG
324 #undef PSW_ASC_SECONDARY
327 #define PSW_ASC_PRIMARY 0x0000000000000000ULL
328 #define PSW_ASC_ACCREG 0x0000400000000000ULL
329 #define PSW_ASC_SECONDARY 0x0000800000000000ULL
330 #define PSW_ASC_HOME 0x0000C00000000000ULL
334 #define FLAG_MASK_PER (PSW_MASK_PER >> 32)
335 #define FLAG_MASK_DAT (PSW_MASK_DAT >> 32)
336 #define FLAG_MASK_IO (PSW_MASK_IO >> 32)
337 #define FLAG_MASK_EXT (PSW_MASK_EXT >> 32)
338 #define FLAG_MASK_KEY (PSW_MASK_KEY >> 32)
339 #define FLAG_MASK_MCHECK (PSW_MASK_MCHECK >> 32)
340 #define FLAG_MASK_WAIT (PSW_MASK_WAIT >> 32)
341 #define FLAG_MASK_PSTATE (PSW_MASK_PSTATE >> 32)
342 #define FLAG_MASK_ASC (PSW_MASK_ASC >> 32)
343 #define FLAG_MASK_CC (PSW_MASK_CC >> 32)
344 #define FLAG_MASK_PM (PSW_MASK_PM >> 32)
345 #define FLAG_MASK_64 (PSW_MASK_64 >> 32)
346 #define FLAG_MASK_32 0x00001000
348 /* Control register 0 bits */
349 #define CR0_LOWPROT 0x0000000010000000ULL
350 #define CR0_EDAT 0x0000000000800000ULL
353 #define MMU_PRIMARY_IDX 0
354 #define MMU_SECONDARY_IDX 1
355 #define MMU_HOME_IDX 2
357 static inline int cpu_mmu_index (CPUS390XState *env, bool ifetch)
359 switch (env->psw.mask & PSW_MASK_ASC) {
360 case PSW_ASC_PRIMARY:
361 return MMU_PRIMARY_IDX;
362 case PSW_ASC_SECONDARY:
363 return MMU_SECONDARY_IDX;
367 /* Fallthrough: access register mode is not yet supported */
373 static inline uint64_t cpu_mmu_idx_to_asc(int mmu_idx)
376 case MMU_PRIMARY_IDX:
377 return PSW_ASC_PRIMARY;
378 case MMU_SECONDARY_IDX:
379 return PSW_ASC_SECONDARY;
387 static inline void cpu_get_tb_cpu_state(CPUS390XState* env, target_ulong *pc,
388 target_ulong *cs_base, uint32_t *flags)
392 *flags = ((env->psw.mask >> 32) & ~FLAG_MASK_CC) |
393 ((env->psw.mask & PSW_MASK_32) ? FLAG_MASK_32 : 0);
396 /* While the PoO talks about ILC (a number between 1-3) what is actually
397 stored in LowCore is shifted left one bit (an even between 2-6). As
398 this is the actual length of the insn and therefore more useful, that
399 is what we want to pass around and manipulate. To make sure that we
400 have applied this distinction universally, rename the "ILC" to "ILEN". */
401 static inline int get_ilen(uint8_t opc)
414 /* PER bits from control register 9 */
415 #define PER_CR9_EVENT_BRANCH 0x80000000
416 #define PER_CR9_EVENT_IFETCH 0x40000000
417 #define PER_CR9_EVENT_STORE 0x20000000
418 #define PER_CR9_EVENT_STORE_REAL 0x08000000
419 #define PER_CR9_EVENT_NULLIFICATION 0x01000000
420 #define PER_CR9_CONTROL_BRANCH_ADDRESS 0x00800000
421 #define PER_CR9_CONTROL_ALTERATION 0x00200000
423 /* PER bits from the PER CODE/ATMID/AI in lowcore */
424 #define PER_CODE_EVENT_BRANCH 0x8000
425 #define PER_CODE_EVENT_IFETCH 0x4000
426 #define PER_CODE_EVENT_STORE 0x2000
427 #define PER_CODE_EVENT_STORE_REAL 0x0800
428 #define PER_CODE_EVENT_NULLIFICATION 0x0100
430 /* Compute the ATMID field that is stored in the per_perc_atmid lowcore
431 entry when a PER exception is triggered. */
432 static inline uint8_t get_per_atmid(CPUS390XState *env)
434 return ((env->psw.mask & PSW_MASK_64) ? (1 << 7) : 0) |
436 ((env->psw.mask & PSW_MASK_32) ? (1 << 5) : 0) |
437 ((env->psw.mask & PSW_MASK_DAT)? (1 << 4) : 0) |
438 ((env->psw.mask & PSW_ASC_SECONDARY)? (1 << 3) : 0) |
439 ((env->psw.mask & PSW_ASC_ACCREG)? (1 << 2) : 0);
442 /* Check if an address is within the PER starting address and the PER
443 ending address. The address range might loop. */
444 static inline bool get_per_in_range(CPUS390XState *env, uint64_t addr)
446 if (env->cregs[10] <= env->cregs[11]) {
447 return env->cregs[10] <= addr && addr <= env->cregs[11];
449 return env->cregs[10] <= addr || addr <= env->cregs[11];
453 #ifndef CONFIG_USER_ONLY
454 /* In several cases of runtime exceptions, we havn't recorded the true
455 instruction length. Use these codes when raising exceptions in order
456 to re-compute the length by examining the insn in memory. */
457 #define ILEN_LATER 0x20
458 #define ILEN_LATER_INC 0x21
459 void trigger_pgm_exception(CPUS390XState *env, uint32_t code, uint32_t ilen);
462 S390CPU *cpu_s390x_init(const char *cpu_model);
463 S390CPU *s390x_new_cpu(const char *cpu_model, int64_t id, Error **errp);
464 S390CPU *cpu_s390x_create(const char *cpu_model, Error **errp);
465 void s390x_translate_init(void);
466 int cpu_s390x_exec(CPUState *cpu);
468 /* you can call this signal handler from your SIGBUS and SIGSEGV
469 signal handlers to inform the virtual CPU of exceptions. non zero
470 is returned if the signal was handled by the virtual CPU. */
471 int cpu_s390x_signal_handler(int host_signum, void *pinfo,
473 int s390_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw,
479 #ifndef CONFIG_USER_ONLY
480 void do_restart_interrupt(CPUS390XState *env);
482 static inline hwaddr decode_basedisp_s(CPUS390XState *env, uint32_t ipb,
490 addr = env->regs[reg];
492 addr += (ipb >> 16) & 0xfff;
500 /* Base/displacement are at the same locations. */
501 #define decode_basedisp_rs decode_basedisp_s
503 /* helper functions for run_on_cpu() */
504 static inline void s390_do_cpu_reset(void *arg)
507 S390CPUClass *scc = S390_CPU_GET_CLASS(cs);
511 static inline void s390_do_cpu_full_reset(void *arg)
518 void s390x_tod_timer(void *opaque);
519 void s390x_cpu_timer(void *opaque);
521 int s390_virtio_hypercall(CPUS390XState *env);
524 void kvm_s390_service_interrupt(uint32_t parm);
525 void kvm_s390_vcpu_interrupt(S390CPU *cpu, struct kvm_s390_irq *irq);
526 void kvm_s390_floating_interrupt(struct kvm_s390_irq *irq);
527 int kvm_s390_inject_flic(struct kvm_s390_irq *irq);
528 void kvm_s390_access_exception(S390CPU *cpu, uint16_t code, uint64_t te_code);
529 int kvm_s390_mem_op(S390CPU *cpu, vaddr addr, uint8_t ar, void *hostbuf,
530 int len, bool is_write);
531 int kvm_s390_get_clock(uint8_t *tod_high, uint64_t *tod_clock);
532 int kvm_s390_set_clock(uint8_t *tod_high, uint64_t *tod_clock);
534 static inline void kvm_s390_service_interrupt(uint32_t parm)
537 static inline int kvm_s390_get_clock(uint8_t *tod_high, uint64_t *tod_low)
541 static inline int kvm_s390_set_clock(uint8_t *tod_high, uint64_t *tod_low)
545 static inline int kvm_s390_mem_op(S390CPU *cpu, vaddr addr, uint8_t ar,
546 void *hostbuf, int len, bool is_write)
550 static inline void kvm_s390_access_exception(S390CPU *cpu, uint16_t code,
556 static inline int s390_get_clock(uint8_t *tod_high, uint64_t *tod_low)
559 return kvm_s390_get_clock(tod_high, tod_low);
567 static inline int s390_set_clock(uint8_t *tod_high, uint64_t *tod_low)
570 return kvm_s390_set_clock(tod_high, tod_low);
576 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr);
577 unsigned int s390_cpu_halt(S390CPU *cpu);
578 void s390_cpu_unhalt(S390CPU *cpu);
579 unsigned int s390_cpu_set_state(uint8_t cpu_state, S390CPU *cpu);
580 static inline uint8_t s390_cpu_get_state(S390CPU *cpu)
582 return cpu->env.cpu_state;
585 void gtod_save(QEMUFile *f, void *opaque);
586 int gtod_load(QEMUFile *f, void *opaque, int version_id);
588 /* service interrupts are floating therefore we must not pass an cpustate */
589 void s390_sclp_extint(uint32_t parm);
592 static inline unsigned int s390_cpu_halt(S390CPU *cpu)
597 static inline void s390_cpu_unhalt(S390CPU *cpu)
601 static inline unsigned int s390_cpu_set_state(uint8_t cpu_state, S390CPU *cpu)
607 void cpu_unlock(void);
609 typedef struct SubchDev SubchDev;
611 #ifndef CONFIG_USER_ONLY
612 extern void subsystem_reset(void);
613 SubchDev *css_find_subch(uint8_t m, uint8_t cssid, uint8_t ssid,
615 bool css_subch_visible(SubchDev *sch);
616 void css_conditional_io_interrupt(SubchDev *sch);
617 int css_do_stsch(SubchDev *sch, SCHIB *schib);
618 bool css_schid_final(int m, uint8_t cssid, uint8_t ssid, uint16_t schid);
619 int css_do_msch(SubchDev *sch, const SCHIB *schib);
620 int css_do_xsch(SubchDev *sch);
621 int css_do_csch(SubchDev *sch);
622 int css_do_hsch(SubchDev *sch);
623 int css_do_ssch(SubchDev *sch, ORB *orb);
624 int css_do_tsch_get_irb(SubchDev *sch, IRB *irb, int *irb_len);
625 void css_do_tsch_update_subch(SubchDev *sch);
626 int css_do_stcrw(CRW *crw);
627 void css_undo_stcrw(CRW *crw);
628 int css_do_tpi(IOIntCode *int_code, int lowcore);
629 int css_collect_chp_desc(int m, uint8_t cssid, uint8_t f_chpid, uint8_t l_chpid,
630 int rfmt, void *buf);
631 void css_do_schm(uint8_t mbk, int update, int dct, uint64_t mbo);
632 int css_enable_mcsse(void);
633 int css_enable_mss(void);
634 int css_do_rsch(SubchDev *sch);
635 int css_do_rchp(uint8_t cssid, uint8_t chpid);
636 bool css_present(uint8_t cssid);
639 #define cpu_init(model) CPU(cpu_s390x_init(model))
640 #define cpu_exec cpu_s390x_exec
641 #define cpu_signal_handler cpu_s390x_signal_handler
643 void s390_cpu_list(FILE *f, fprintf_function cpu_fprintf);
644 #define cpu_list s390_cpu_list
646 #include "exec/exec-all.h"
648 #define EXCP_EXT 1 /* external interrupt */
649 #define EXCP_SVC 2 /* supervisor call (syscall) */
650 #define EXCP_PGM 3 /* program interruption */
651 #define EXCP_IO 7 /* I/O interrupt */
652 #define EXCP_MCHK 8 /* machine check */
654 #define INTERRUPT_EXT (1 << 0)
655 #define INTERRUPT_TOD (1 << 1)
656 #define INTERRUPT_CPUTIMER (1 << 2)
657 #define INTERRUPT_IO (1 << 3)
658 #define INTERRUPT_MCHK (1 << 4)
660 /* Program Status Word. */
661 #define S390_PSWM_REGNUM 0
662 #define S390_PSWA_REGNUM 1
663 /* General Purpose Registers. */
664 #define S390_R0_REGNUM 2
665 #define S390_R1_REGNUM 3
666 #define S390_R2_REGNUM 4
667 #define S390_R3_REGNUM 5
668 #define S390_R4_REGNUM 6
669 #define S390_R5_REGNUM 7
670 #define S390_R6_REGNUM 8
671 #define S390_R7_REGNUM 9
672 #define S390_R8_REGNUM 10
673 #define S390_R9_REGNUM 11
674 #define S390_R10_REGNUM 12
675 #define S390_R11_REGNUM 13
676 #define S390_R12_REGNUM 14
677 #define S390_R13_REGNUM 15
678 #define S390_R14_REGNUM 16
679 #define S390_R15_REGNUM 17
680 /* Total Core Registers. */
681 #define S390_NUM_CORE_REGS 18
683 /* CC optimization */
686 CC_OP_CONST0 = 0, /* CC is 0 */
687 CC_OP_CONST1, /* CC is 1 */
688 CC_OP_CONST2, /* CC is 2 */
689 CC_OP_CONST3, /* CC is 3 */
691 CC_OP_DYNAMIC, /* CC calculation defined by env->cc_op */
692 CC_OP_STATIC, /* CC value is env->cc_op */
694 CC_OP_NZ, /* env->cc_dst != 0 */
695 CC_OP_LTGT_32, /* signed less/greater than (32bit) */
696 CC_OP_LTGT_64, /* signed less/greater than (64bit) */
697 CC_OP_LTUGTU_32, /* unsigned less/greater than (32bit) */
698 CC_OP_LTUGTU_64, /* unsigned less/greater than (64bit) */
699 CC_OP_LTGT0_32, /* signed less/greater than 0 (32bit) */
700 CC_OP_LTGT0_64, /* signed less/greater than 0 (64bit) */
702 CC_OP_ADD_64, /* overflow on add (64bit) */
703 CC_OP_ADDU_64, /* overflow on unsigned add (64bit) */
704 CC_OP_ADDC_64, /* overflow on unsigned add-carry (64bit) */
705 CC_OP_SUB_64, /* overflow on subtraction (64bit) */
706 CC_OP_SUBU_64, /* overflow on unsigned subtraction (64bit) */
707 CC_OP_SUBB_64, /* overflow on unsigned sub-borrow (64bit) */
708 CC_OP_ABS_64, /* sign eval on abs (64bit) */
709 CC_OP_NABS_64, /* sign eval on nabs (64bit) */
711 CC_OP_ADD_32, /* overflow on add (32bit) */
712 CC_OP_ADDU_32, /* overflow on unsigned add (32bit) */
713 CC_OP_ADDC_32, /* overflow on unsigned add-carry (32bit) */
714 CC_OP_SUB_32, /* overflow on subtraction (32bit) */
715 CC_OP_SUBU_32, /* overflow on unsigned subtraction (32bit) */
716 CC_OP_SUBB_32, /* overflow on unsigned sub-borrow (32bit) */
717 CC_OP_ABS_32, /* sign eval on abs (64bit) */
718 CC_OP_NABS_32, /* sign eval on nabs (64bit) */
720 CC_OP_COMP_32, /* complement */
721 CC_OP_COMP_64, /* complement */
723 CC_OP_TM_32, /* test under mask (32bit) */
724 CC_OP_TM_64, /* test under mask (64bit) */
726 CC_OP_NZ_F32, /* FP dst != 0 (32bit) */
727 CC_OP_NZ_F64, /* FP dst != 0 (64bit) */
728 CC_OP_NZ_F128, /* FP dst != 0 (128bit) */
730 CC_OP_ICM, /* insert characters under mask */
731 CC_OP_SLA_32, /* Calculate shift left signed (32bit) */
732 CC_OP_SLA_64, /* Calculate shift left signed (64bit) */
733 CC_OP_FLOGR, /* find leftmost one */
737 static const char *cc_names[] = {
738 [CC_OP_CONST0] = "CC_OP_CONST0",
739 [CC_OP_CONST1] = "CC_OP_CONST1",
740 [CC_OP_CONST2] = "CC_OP_CONST2",
741 [CC_OP_CONST3] = "CC_OP_CONST3",
742 [CC_OP_DYNAMIC] = "CC_OP_DYNAMIC",
743 [CC_OP_STATIC] = "CC_OP_STATIC",
744 [CC_OP_NZ] = "CC_OP_NZ",
745 [CC_OP_LTGT_32] = "CC_OP_LTGT_32",
746 [CC_OP_LTGT_64] = "CC_OP_LTGT_64",
747 [CC_OP_LTUGTU_32] = "CC_OP_LTUGTU_32",
748 [CC_OP_LTUGTU_64] = "CC_OP_LTUGTU_64",
749 [CC_OP_LTGT0_32] = "CC_OP_LTGT0_32",
750 [CC_OP_LTGT0_64] = "CC_OP_LTGT0_64",
751 [CC_OP_ADD_64] = "CC_OP_ADD_64",
752 [CC_OP_ADDU_64] = "CC_OP_ADDU_64",
753 [CC_OP_ADDC_64] = "CC_OP_ADDC_64",
754 [CC_OP_SUB_64] = "CC_OP_SUB_64",
755 [CC_OP_SUBU_64] = "CC_OP_SUBU_64",
756 [CC_OP_SUBB_64] = "CC_OP_SUBB_64",
757 [CC_OP_ABS_64] = "CC_OP_ABS_64",
758 [CC_OP_NABS_64] = "CC_OP_NABS_64",
759 [CC_OP_ADD_32] = "CC_OP_ADD_32",
760 [CC_OP_ADDU_32] = "CC_OP_ADDU_32",
761 [CC_OP_ADDC_32] = "CC_OP_ADDC_32",
762 [CC_OP_SUB_32] = "CC_OP_SUB_32",
763 [CC_OP_SUBU_32] = "CC_OP_SUBU_32",
764 [CC_OP_SUBB_32] = "CC_OP_SUBB_32",
765 [CC_OP_ABS_32] = "CC_OP_ABS_32",
766 [CC_OP_NABS_32] = "CC_OP_NABS_32",
767 [CC_OP_COMP_32] = "CC_OP_COMP_32",
768 [CC_OP_COMP_64] = "CC_OP_COMP_64",
769 [CC_OP_TM_32] = "CC_OP_TM_32",
770 [CC_OP_TM_64] = "CC_OP_TM_64",
771 [CC_OP_NZ_F32] = "CC_OP_NZ_F32",
772 [CC_OP_NZ_F64] = "CC_OP_NZ_F64",
773 [CC_OP_NZ_F128] = "CC_OP_NZ_F128",
774 [CC_OP_ICM] = "CC_OP_ICM",
775 [CC_OP_SLA_32] = "CC_OP_SLA_32",
776 [CC_OP_SLA_64] = "CC_OP_SLA_64",
777 [CC_OP_FLOGR] = "CC_OP_FLOGR",
780 static inline const char *cc_name(int cc_op)
782 return cc_names[cc_op];
785 static inline void setcc(S390CPU *cpu, uint64_t cc)
787 CPUS390XState *env = &cpu->env;
789 env->psw.mask &= ~(3ull << 44);
790 env->psw.mask |= (cc & 3) << 44;
794 typedef struct LowCore
796 /* prefix area: defined by architecture */
797 uint32_t ccw1[2]; /* 0x000 */
798 uint32_t ccw2[4]; /* 0x008 */
799 uint8_t pad1[0x80-0x18]; /* 0x018 */
800 uint32_t ext_params; /* 0x080 */
801 uint16_t cpu_addr; /* 0x084 */
802 uint16_t ext_int_code; /* 0x086 */
803 uint16_t svc_ilen; /* 0x088 */
804 uint16_t svc_code; /* 0x08a */
805 uint16_t pgm_ilen; /* 0x08c */
806 uint16_t pgm_code; /* 0x08e */
807 uint32_t data_exc_code; /* 0x090 */
808 uint16_t mon_class_num; /* 0x094 */
809 uint16_t per_perc_atmid; /* 0x096 */
810 uint64_t per_address; /* 0x098 */
811 uint8_t exc_access_id; /* 0x0a0 */
812 uint8_t per_access_id; /* 0x0a1 */
813 uint8_t op_access_id; /* 0x0a2 */
814 uint8_t ar_access_id; /* 0x0a3 */
815 uint8_t pad2[0xA8-0xA4]; /* 0x0a4 */
816 uint64_t trans_exc_code; /* 0x0a8 */
817 uint64_t monitor_code; /* 0x0b0 */
818 uint16_t subchannel_id; /* 0x0b8 */
819 uint16_t subchannel_nr; /* 0x0ba */
820 uint32_t io_int_parm; /* 0x0bc */
821 uint32_t io_int_word; /* 0x0c0 */
822 uint8_t pad3[0xc8-0xc4]; /* 0x0c4 */
823 uint32_t stfl_fac_list; /* 0x0c8 */
824 uint8_t pad4[0xe8-0xcc]; /* 0x0cc */
825 uint32_t mcck_interruption_code[2]; /* 0x0e8 */
826 uint8_t pad5[0xf4-0xf0]; /* 0x0f0 */
827 uint32_t external_damage_code; /* 0x0f4 */
828 uint64_t failing_storage_address; /* 0x0f8 */
829 uint8_t pad6[0x110-0x100]; /* 0x100 */
830 uint64_t per_breaking_event_addr; /* 0x110 */
831 uint8_t pad7[0x120-0x118]; /* 0x118 */
832 PSW restart_old_psw; /* 0x120 */
833 PSW external_old_psw; /* 0x130 */
834 PSW svc_old_psw; /* 0x140 */
835 PSW program_old_psw; /* 0x150 */
836 PSW mcck_old_psw; /* 0x160 */
837 PSW io_old_psw; /* 0x170 */
838 uint8_t pad8[0x1a0-0x180]; /* 0x180 */
839 PSW restart_new_psw; /* 0x1a0 */
840 PSW external_new_psw; /* 0x1b0 */
841 PSW svc_new_psw; /* 0x1c0 */
842 PSW program_new_psw; /* 0x1d0 */
843 PSW mcck_new_psw; /* 0x1e0 */
844 PSW io_new_psw; /* 0x1f0 */
845 PSW return_psw; /* 0x200 */
846 uint8_t irb[64]; /* 0x210 */
847 uint64_t sync_enter_timer; /* 0x250 */
848 uint64_t async_enter_timer; /* 0x258 */
849 uint64_t exit_timer; /* 0x260 */
850 uint64_t last_update_timer; /* 0x268 */
851 uint64_t user_timer; /* 0x270 */
852 uint64_t system_timer; /* 0x278 */
853 uint64_t last_update_clock; /* 0x280 */
854 uint64_t steal_clock; /* 0x288 */
855 PSW return_mcck_psw; /* 0x290 */
856 uint8_t pad9[0xc00-0x2a0]; /* 0x2a0 */
857 /* System info area */
858 uint64_t save_area[16]; /* 0xc00 */
859 uint8_t pad10[0xd40-0xc80]; /* 0xc80 */
860 uint64_t kernel_stack; /* 0xd40 */
861 uint64_t thread_info; /* 0xd48 */
862 uint64_t async_stack; /* 0xd50 */
863 uint64_t kernel_asce; /* 0xd58 */
864 uint64_t user_asce; /* 0xd60 */
865 uint64_t panic_stack; /* 0xd68 */
866 uint64_t user_exec_asce; /* 0xd70 */
867 uint8_t pad11[0xdc0-0xd78]; /* 0xd78 */
869 /* SMP info area: defined by DJB */
870 uint64_t clock_comparator; /* 0xdc0 */
871 uint64_t ext_call_fast; /* 0xdc8 */
872 uint64_t percpu_offset; /* 0xdd0 */
873 uint64_t current_task; /* 0xdd8 */
874 uint32_t softirq_pending; /* 0xde0 */
875 uint32_t pad_0x0de4; /* 0xde4 */
876 uint64_t int_clock; /* 0xde8 */
877 uint8_t pad12[0xe00-0xdf0]; /* 0xdf0 */
879 /* 0xe00 is used as indicator for dump tools */
880 /* whether the kernel died with panic() or not */
881 uint32_t panic_magic; /* 0xe00 */
883 uint8_t pad13[0x11b8-0xe04]; /* 0xe04 */
885 /* 64 bit extparam used for pfault, diag 250 etc */
886 uint64_t ext_params2; /* 0x11B8 */
888 uint8_t pad14[0x1200-0x11C0]; /* 0x11C0 */
890 /* System info area */
892 uint64_t floating_pt_save_area[16]; /* 0x1200 */
893 uint64_t gpregs_save_area[16]; /* 0x1280 */
894 uint32_t st_status_fixed_logout[4]; /* 0x1300 */
895 uint8_t pad15[0x1318-0x1310]; /* 0x1310 */
896 uint32_t prefixreg_save_area; /* 0x1318 */
897 uint32_t fpt_creg_save_area; /* 0x131c */
898 uint8_t pad16[0x1324-0x1320]; /* 0x1320 */
899 uint32_t tod_progreg_save_area; /* 0x1324 */
900 uint32_t cpu_timer_save_area[2]; /* 0x1328 */
901 uint32_t clock_comp_save_area[2]; /* 0x1330 */
902 uint8_t pad17[0x1340-0x1338]; /* 0x1338 */
903 uint32_t access_regs_save_area[16]; /* 0x1340 */
904 uint64_t cregs_save_area[16]; /* 0x1380 */
906 /* align to the top of the prefix area */
908 uint8_t pad18[0x2000-0x1400]; /* 0x1400 */
909 } QEMU_PACKED LowCore;
912 #define STSI_LEVEL_MASK 0x00000000f0000000ULL
913 #define STSI_LEVEL_CURRENT 0x0000000000000000ULL
914 #define STSI_LEVEL_1 0x0000000010000000ULL
915 #define STSI_LEVEL_2 0x0000000020000000ULL
916 #define STSI_LEVEL_3 0x0000000030000000ULL
917 #define STSI_R0_RESERVED_MASK 0x000000000fffff00ULL
918 #define STSI_R0_SEL1_MASK 0x00000000000000ffULL
919 #define STSI_R1_RESERVED_MASK 0x00000000ffff0000ULL
920 #define STSI_R1_SEL2_MASK 0x000000000000ffffULL
922 /* Basic Machine Configuration */
929 uint8_t sequence[16];
934 /* Basic Machine CPU */
937 uint8_t sequence[16];
944 /* Basic Machine CPUs */
949 uint16_t active_cpus;
950 uint16_t standby_cpus;
951 uint16_t reserved_cpus;
952 uint16_t adjustments[2026];
958 uint8_t sequence[16];
973 uint16_t standby_cpus;
974 uint16_t reserved_cpus;
978 uint16_t dedicated_cpus;
979 uint16_t shared_cpus;
991 uint16_t standby_cpus;
992 uint16_t reserved_cpus;
997 uint8_t ext_name_encoding;
1002 uint8_t ext_names[8][256];
1006 #define _ASCE_ORIGIN ~0xfffULL /* segment table origin */
1007 #define _ASCE_SUBSPACE 0x200 /* subspace group control */
1008 #define _ASCE_PRIVATE_SPACE 0x100 /* private space control */
1009 #define _ASCE_ALT_EVENT 0x80 /* storage alteration event control */
1010 #define _ASCE_SPACE_SWITCH 0x40 /* space switch event */
1011 #define _ASCE_REAL_SPACE 0x20 /* real space control */
1012 #define _ASCE_TYPE_MASK 0x0c /* asce table type mask */
1013 #define _ASCE_TYPE_REGION1 0x0c /* region first table type */
1014 #define _ASCE_TYPE_REGION2 0x08 /* region second table type */
1015 #define _ASCE_TYPE_REGION3 0x04 /* region third table type */
1016 #define _ASCE_TYPE_SEGMENT 0x00 /* segment table type */
1017 #define _ASCE_TABLE_LENGTH 0x03 /* region table length */
1019 #define _REGION_ENTRY_ORIGIN ~0xfffULL /* region/segment table origin */
1020 #define _REGION_ENTRY_RO 0x200 /* region/segment protection bit */
1021 #define _REGION_ENTRY_TF 0xc0 /* region/segment table offset */
1022 #define _REGION_ENTRY_INV 0x20 /* invalid region table entry */
1023 #define _REGION_ENTRY_TYPE_MASK 0x0c /* region/segment table type mask */
1024 #define _REGION_ENTRY_TYPE_R1 0x0c /* region first table type */
1025 #define _REGION_ENTRY_TYPE_R2 0x08 /* region second table type */
1026 #define _REGION_ENTRY_TYPE_R3 0x04 /* region third table type */
1027 #define _REGION_ENTRY_LENGTH 0x03 /* region third length */
1029 #define _SEGMENT_ENTRY_ORIGIN ~0x7ffULL /* segment table origin */
1030 #define _SEGMENT_ENTRY_FC 0x400 /* format control */
1031 #define _SEGMENT_ENTRY_RO 0x200 /* page protection bit */
1032 #define _SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry */
1034 #define _PAGE_RO 0x200 /* HW read-only bit */
1035 #define _PAGE_INVALID 0x400 /* HW invalid bit */
1036 #define _PAGE_RES0 0x800 /* bit must be zero */
1038 #define SK_C (0x1 << 1)
1039 #define SK_R (0x1 << 2)
1040 #define SK_F (0x1 << 3)
1041 #define SK_ACC_MASK (0xf << 4)
1043 /* SIGP order codes */
1044 #define SIGP_SENSE 0x01
1045 #define SIGP_EXTERNAL_CALL 0x02
1046 #define SIGP_EMERGENCY 0x03
1047 #define SIGP_START 0x04
1048 #define SIGP_STOP 0x05
1049 #define SIGP_RESTART 0x06
1050 #define SIGP_STOP_STORE_STATUS 0x09
1051 #define SIGP_INITIAL_CPU_RESET 0x0b
1052 #define SIGP_CPU_RESET 0x0c
1053 #define SIGP_SET_PREFIX 0x0d
1054 #define SIGP_STORE_STATUS_ADDR 0x0e
1055 #define SIGP_SET_ARCH 0x12
1056 #define SIGP_STORE_ADTL_STATUS 0x17
1058 /* SIGP condition codes */
1059 #define SIGP_CC_ORDER_CODE_ACCEPTED 0
1060 #define SIGP_CC_STATUS_STORED 1
1061 #define SIGP_CC_BUSY 2
1062 #define SIGP_CC_NOT_OPERATIONAL 3
1064 /* SIGP status bits */
1065 #define SIGP_STAT_EQUIPMENT_CHECK 0x80000000UL
1066 #define SIGP_STAT_INCORRECT_STATE 0x00000200UL
1067 #define SIGP_STAT_INVALID_PARAMETER 0x00000100UL
1068 #define SIGP_STAT_EXT_CALL_PENDING 0x00000080UL
1069 #define SIGP_STAT_STOPPED 0x00000040UL
1070 #define SIGP_STAT_OPERATOR_INTERV 0x00000020UL
1071 #define SIGP_STAT_CHECK_STOP 0x00000010UL
1072 #define SIGP_STAT_INOPERATIVE 0x00000004UL
1073 #define SIGP_STAT_INVALID_ORDER 0x00000002UL
1074 #define SIGP_STAT_RECEIVER_CHECK 0x00000001UL
1076 /* SIGP SET ARCHITECTURE modes */
1077 #define SIGP_MODE_ESA_S390 0
1078 #define SIGP_MODE_Z_ARCH_TRANS_ALL_PSW 1
1079 #define SIGP_MODE_Z_ARCH_TRANS_CUR_PSW 2
1081 void load_psw(CPUS390XState *env, uint64_t mask, uint64_t addr);
1082 int mmu_translate(CPUS390XState *env, target_ulong vaddr, int rw, uint64_t asc,
1083 target_ulong *raddr, int *flags, bool exc);
1084 int sclp_service_call(CPUS390XState *env, uint64_t sccb, uint32_t code);
1085 uint32_t calc_cc(CPUS390XState *env, uint32_t cc_op, uint64_t src, uint64_t dst,
1087 void s390_cpu_recompute_watchpoints(CPUState *cs);
1089 int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t ar, void *hostbuf,
1090 int len, bool is_write);
1092 #define s390_cpu_virt_mem_read(cpu, laddr, ar, dest, len) \
1093 s390_cpu_virt_mem_rw(cpu, laddr, ar, dest, len, false)
1094 #define s390_cpu_virt_mem_write(cpu, laddr, ar, dest, len) \
1095 s390_cpu_virt_mem_rw(cpu, laddr, ar, dest, len, true)
1096 #define s390_cpu_virt_mem_check_write(cpu, laddr, ar, len) \
1097 s390_cpu_virt_mem_rw(cpu, laddr, ar, NULL, len, true)
1099 /* The value of the TOD clock for 1.1.1970. */
1100 #define TOD_UNIX_EPOCH 0x7d91048bca000000ULL
1102 /* Converts ns to s390's clock format */
1103 static inline uint64_t time2tod(uint64_t ns) {
1104 return (ns << 9) / 125;
1107 /* Converts s390's clock format to ns */
1108 static inline uint64_t tod2time(uint64_t t) {
1109 return (t * 125) >> 9;
1112 static inline void cpu_inject_ext(S390CPU *cpu, uint32_t code, uint32_t param,
1115 CPUS390XState *env = &cpu->env;
1117 if (env->ext_index == MAX_EXT_QUEUE - 1) {
1118 /* ugh - can't queue anymore. Let's drop. */
1123 assert(env->ext_index < MAX_EXT_QUEUE);
1125 env->ext_queue[env->ext_index].code = code;
1126 env->ext_queue[env->ext_index].param = param;
1127 env->ext_queue[env->ext_index].param64 = param64;
1129 env->pending_int |= INTERRUPT_EXT;
1130 cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
1133 static inline void cpu_inject_io(S390CPU *cpu, uint16_t subchannel_id,
1134 uint16_t subchannel_number,
1135 uint32_t io_int_parm, uint32_t io_int_word)
1137 CPUS390XState *env = &cpu->env;
1138 int isc = IO_INT_WORD_ISC(io_int_word);
1140 if (env->io_index[isc] == MAX_IO_QUEUE - 1) {
1141 /* ugh - can't queue anymore. Let's drop. */
1145 env->io_index[isc]++;
1146 assert(env->io_index[isc] < MAX_IO_QUEUE);
1148 env->io_queue[env->io_index[isc]][isc].id = subchannel_id;
1149 env->io_queue[env->io_index[isc]][isc].nr = subchannel_number;
1150 env->io_queue[env->io_index[isc]][isc].parm = io_int_parm;
1151 env->io_queue[env->io_index[isc]][isc].word = io_int_word;
1153 env->pending_int |= INTERRUPT_IO;
1154 cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
1157 static inline void cpu_inject_crw_mchk(S390CPU *cpu)
1159 CPUS390XState *env = &cpu->env;
1161 if (env->mchk_index == MAX_MCHK_QUEUE - 1) {
1162 /* ugh - can't queue anymore. Let's drop. */
1167 assert(env->mchk_index < MAX_MCHK_QUEUE);
1169 env->mchk_queue[env->mchk_index].type = 1;
1171 env->pending_int |= INTERRUPT_MCHK;
1172 cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
1175 /* from s390-virtio-ccw */
1176 #define MEM_SECTION_SIZE 0x10000000UL
1177 #define MAX_AVAIL_SLOTS 32
1180 uint32_t set_cc_nz_f32(float32 v);
1181 uint32_t set_cc_nz_f64(float64 v);
1182 uint32_t set_cc_nz_f128(float128 v);
1185 #ifndef CONFIG_USER_ONLY
1186 int handle_diag_288(CPUS390XState *env, uint64_t r1, uint64_t r3);
1187 void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3);
1189 void program_interrupt(CPUS390XState *env, uint32_t code, int ilen);
1190 void QEMU_NORETURN runtime_exception(CPUS390XState *env, int excp,
1194 void kvm_s390_io_interrupt(uint16_t subchannel_id,
1195 uint16_t subchannel_nr, uint32_t io_int_parm,
1196 uint32_t io_int_word);
1197 void kvm_s390_crw_mchk(void);
1198 void kvm_s390_enable_css_support(S390CPU *cpu);
1199 int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch,
1200 int vq, bool assign);
1201 int kvm_s390_cpu_restart(S390CPU *cpu);
1202 int kvm_s390_get_memslot_count(KVMState *s);
1203 void kvm_s390_cmma_reset(void);
1204 int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t cpu_state);
1205 void kvm_s390_reset_vcpu(S390CPU *cpu);
1206 int kvm_s390_set_mem_limit(KVMState *s, uint64_t new_limit, uint64_t *hw_limit);
1207 void kvm_s390_vcpu_interrupt_pre_save(S390CPU *cpu);
1208 int kvm_s390_vcpu_interrupt_post_load(S390CPU *cpu);
1209 int kvm_s390_get_ri(void);
1210 void kvm_s390_crypto_reset(void);
1212 static inline void kvm_s390_io_interrupt(uint16_t subchannel_id,
1213 uint16_t subchannel_nr,
1214 uint32_t io_int_parm,
1215 uint32_t io_int_word)
1218 static inline void kvm_s390_crw_mchk(void)
1221 static inline void kvm_s390_enable_css_support(S390CPU *cpu)
1224 static inline int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier,
1225 uint32_t sch, int vq,
1230 static inline int kvm_s390_cpu_restart(S390CPU *cpu)
1234 static inline void kvm_s390_cmma_reset(void)
1237 static inline int kvm_s390_get_memslot_count(KVMState *s)
1239 return MAX_AVAIL_SLOTS;
1241 static inline int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t cpu_state)
1245 static inline void kvm_s390_reset_vcpu(S390CPU *cpu)
1248 static inline int kvm_s390_set_mem_limit(KVMState *s, uint64_t new_limit,
1253 static inline void kvm_s390_vcpu_interrupt_pre_save(S390CPU *cpu)
1256 static inline int kvm_s390_vcpu_interrupt_post_load(S390CPU *cpu)
1260 static inline int kvm_s390_get_ri(void)
1264 static inline void kvm_s390_crypto_reset(void)
1269 static inline int s390_set_memory_limit(uint64_t new_limit, uint64_t *hw_limit)
1271 if (kvm_enabled()) {
1272 return kvm_s390_set_mem_limit(kvm_state, new_limit, hw_limit);
1277 static inline void s390_cmma_reset(void)
1279 if (kvm_enabled()) {
1280 kvm_s390_cmma_reset();
1284 static inline int s390_cpu_restart(S390CPU *cpu)
1286 if (kvm_enabled()) {
1287 return kvm_s390_cpu_restart(cpu);
1292 static inline int s390_get_memslot_count(KVMState *s)
1294 if (kvm_enabled()) {
1295 return kvm_s390_get_memslot_count(s);
1297 return MAX_AVAIL_SLOTS;
1301 void s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr,
1302 uint32_t io_int_parm, uint32_t io_int_word);
1303 void s390_crw_mchk(void);
1305 static inline int s390_assign_subch_ioeventfd(EventNotifier *notifier,
1306 uint32_t sch_id, int vq,
1309 return kvm_s390_assign_subch_ioeventfd(notifier, sch_id, vq, assign);
1312 static inline void s390_crypto_reset(void)
1314 if (kvm_enabled()) {
1315 kvm_s390_crypto_reset();
1319 /* machine check interruption code */
1322 #define MCIC_SC_SD 0x8000000000000000ULL
1323 #define MCIC_SC_PD 0x4000000000000000ULL
1324 #define MCIC_SC_SR 0x2000000000000000ULL
1325 #define MCIC_SC_CD 0x0800000000000000ULL
1326 #define MCIC_SC_ED 0x0400000000000000ULL
1327 #define MCIC_SC_DG 0x0100000000000000ULL
1328 #define MCIC_SC_W 0x0080000000000000ULL
1329 #define MCIC_SC_CP 0x0040000000000000ULL
1330 #define MCIC_SC_SP 0x0020000000000000ULL
1331 #define MCIC_SC_CK 0x0010000000000000ULL
1333 /* subclass modifiers */
1334 #define MCIC_SCM_B 0x0002000000000000ULL
1335 #define MCIC_SCM_DA 0x0000000020000000ULL
1336 #define MCIC_SCM_AP 0x0000000000080000ULL
1338 /* storage errors */
1339 #define MCIC_SE_SE 0x0000800000000000ULL
1340 #define MCIC_SE_SC 0x0000400000000000ULL
1341 #define MCIC_SE_KE 0x0000200000000000ULL
1342 #define MCIC_SE_DS 0x0000100000000000ULL
1343 #define MCIC_SE_IE 0x0000000080000000ULL
1346 #define MCIC_VB_WP 0x0000080000000000ULL
1347 #define MCIC_VB_MS 0x0000040000000000ULL
1348 #define MCIC_VB_PM 0x0000020000000000ULL
1349 #define MCIC_VB_IA 0x0000010000000000ULL
1350 #define MCIC_VB_FA 0x0000008000000000ULL
1351 #define MCIC_VB_VR 0x0000004000000000ULL
1352 #define MCIC_VB_EC 0x0000002000000000ULL
1353 #define MCIC_VB_FP 0x0000001000000000ULL
1354 #define MCIC_VB_GR 0x0000000800000000ULL
1355 #define MCIC_VB_CR 0x0000000400000000ULL
1356 #define MCIC_VB_ST 0x0000000100000000ULL
1357 #define MCIC_VB_AR 0x0000000040000000ULL
1358 #define MCIC_VB_PR 0x0000000000200000ULL
1359 #define MCIC_VB_FC 0x0000000000100000ULL
1360 #define MCIC_VB_CT 0x0000000000020000ULL
1361 #define MCIC_VB_CC 0x0000000000010000ULL