2 * QEMU S390x KVM implementation
4 * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
5 * Copyright IBM Corp. 2012
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * Contributions after 2012-10-29 are licensed under the terms of the
18 * GNU GPL, version 2 or (at your option) any later version.
20 * You should have received a copy of the GNU (Lesser) General Public
21 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
24 #include <sys/types.h>
25 #include <sys/ioctl.h>
28 #include <linux/kvm.h>
29 #include <asm/ptrace.h>
31 #include "qemu-common.h"
32 #include "qemu/timer.h"
33 #include "sysemu/sysemu.h"
34 #include "sysemu/kvm.h"
37 #include "sysemu/device_tree.h"
38 #include "qapi/qmp/qjson.h"
39 #include "monitor/monitor.h"
40 #include "exec/gdbstub.h"
41 #include "exec/address-spaces.h"
43 #include "qapi-event.h"
44 #include "hw/s390x/s390-pci-inst.h"
45 #include "hw/s390x/s390-pci-bus.h"
46 #include "hw/s390x/ipl.h"
47 #include "hw/s390x/ebcdic.h"
48 #include "exec/memattrs.h"
50 /* #define DEBUG_KVM */
53 #define DPRINTF(fmt, ...) \
54 do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
56 #define DPRINTF(fmt, ...) \
60 #define kvm_vm_check_mem_attr(s, attr) \
61 kvm_vm_check_attr(s, KVM_S390_VM_MEM_CTRL, attr)
63 #define IPA0_DIAG 0x8300
64 #define IPA0_SIGP 0xae00
65 #define IPA0_B2 0xb200
66 #define IPA0_B9 0xb900
67 #define IPA0_EB 0xeb00
68 #define IPA0_E3 0xe300
70 #define PRIV_B2_SCLP_CALL 0x20
71 #define PRIV_B2_CSCH 0x30
72 #define PRIV_B2_HSCH 0x31
73 #define PRIV_B2_MSCH 0x32
74 #define PRIV_B2_SSCH 0x33
75 #define PRIV_B2_STSCH 0x34
76 #define PRIV_B2_TSCH 0x35
77 #define PRIV_B2_TPI 0x36
78 #define PRIV_B2_SAL 0x37
79 #define PRIV_B2_RSCH 0x38
80 #define PRIV_B2_STCRW 0x39
81 #define PRIV_B2_STCPS 0x3a
82 #define PRIV_B2_RCHP 0x3b
83 #define PRIV_B2_SCHM 0x3c
84 #define PRIV_B2_CHSC 0x5f
85 #define PRIV_B2_SIGA 0x74
86 #define PRIV_B2_XSCH 0x76
88 #define PRIV_EB_SQBS 0x8a
89 #define PRIV_EB_PCISTB 0xd0
90 #define PRIV_EB_SIC 0xd1
92 #define PRIV_B9_EQBS 0x9c
93 #define PRIV_B9_CLP 0xa0
94 #define PRIV_B9_PCISTG 0xd0
95 #define PRIV_B9_PCILG 0xd2
96 #define PRIV_B9_RPCIT 0xd3
98 #define PRIV_E3_MPCIFC 0xd0
99 #define PRIV_E3_STPCIFC 0xd4
101 #define DIAG_IPL 0x308
102 #define DIAG_KVM_HYPERCALL 0x500
103 #define DIAG_KVM_BREAKPOINT 0x501
105 #define ICPT_INSTRUCTION 0x04
106 #define ICPT_PROGRAM 0x08
107 #define ICPT_EXT_INT 0x14
108 #define ICPT_WAITPSW 0x1c
109 #define ICPT_SOFT_INTERCEPT 0x24
110 #define ICPT_CPU_STOP 0x28
113 #define NR_LOCAL_IRQS 32
115 * Needs to be big enough to contain max_cpus emergency signals
116 * and in addition NR_LOCAL_IRQS interrupts
118 #define VCPU_IRQ_BUF_SIZE (sizeof(struct kvm_s390_irq) * \
119 (max_cpus + NR_LOCAL_IRQS))
121 static CPUWatchpoint hw_watchpoint
;
123 * We don't use a list because this structure is also used to transmit the
124 * hardware breakpoints to the kernel.
126 static struct kvm_hw_breakpoint
*hw_breakpoints
;
127 static int nb_hw_breakpoints
;
129 const KVMCapabilityInfo kvm_arch_required_capabilities
[] = {
133 static int cap_sync_regs
;
134 static int cap_async_pf
;
135 static int cap_mem_op
;
136 static int cap_s390_irq
;
138 static void *legacy_s390_alloc(size_t size
, uint64_t *align
);
140 static int kvm_s390_query_mem_limit(KVMState
*s
, uint64_t *memory_limit
)
142 struct kvm_device_attr attr
= {
143 .group
= KVM_S390_VM_MEM_CTRL
,
144 .attr
= KVM_S390_VM_MEM_LIMIT_SIZE
,
145 .addr
= (uint64_t) memory_limit
,
148 return kvm_vm_ioctl(s
, KVM_GET_DEVICE_ATTR
, &attr
);
151 int kvm_s390_set_mem_limit(KVMState
*s
, uint64_t new_limit
, uint64_t *hw_limit
)
155 struct kvm_device_attr attr
= {
156 .group
= KVM_S390_VM_MEM_CTRL
,
157 .attr
= KVM_S390_VM_MEM_LIMIT_SIZE
,
158 .addr
= (uint64_t) &new_limit
,
161 if (!kvm_vm_check_mem_attr(s
, KVM_S390_VM_MEM_LIMIT_SIZE
)) {
165 rc
= kvm_s390_query_mem_limit(s
, hw_limit
);
168 } else if (*hw_limit
< new_limit
) {
172 return kvm_vm_ioctl(s
, KVM_SET_DEVICE_ATTR
, &attr
);
175 void kvm_s390_clear_cmma_callback(void *opaque
)
178 KVMState
*s
= opaque
;
179 struct kvm_device_attr attr
= {
180 .group
= KVM_S390_VM_MEM_CTRL
,
181 .attr
= KVM_S390_VM_MEM_CLR_CMMA
,
184 rc
= kvm_vm_ioctl(s
, KVM_SET_DEVICE_ATTR
, &attr
);
185 trace_kvm_clear_cmma(rc
);
188 static void kvm_s390_enable_cmma(KVMState
*s
)
191 struct kvm_device_attr attr
= {
192 .group
= KVM_S390_VM_MEM_CTRL
,
193 .attr
= KVM_S390_VM_MEM_ENABLE_CMMA
,
196 if (!kvm_vm_check_mem_attr(s
, KVM_S390_VM_MEM_ENABLE_CMMA
) ||
197 !kvm_vm_check_mem_attr(s
, KVM_S390_VM_MEM_CLR_CMMA
)) {
201 rc
= kvm_vm_ioctl(s
, KVM_SET_DEVICE_ATTR
, &attr
);
203 qemu_register_reset(kvm_s390_clear_cmma_callback
, s
);
205 trace_kvm_enable_cmma(rc
);
208 static void kvm_s390_set_attr(uint64_t attr
)
210 struct kvm_device_attr attribute
= {
211 .group
= KVM_S390_VM_CRYPTO
,
215 int ret
= kvm_vm_ioctl(kvm_state
, KVM_SET_DEVICE_ATTR
, &attribute
);
218 error_report("Failed to set crypto device attribute %lu: %s",
219 attr
, strerror(-ret
));
223 static void kvm_s390_init_aes_kw(void)
225 uint64_t attr
= KVM_S390_VM_CRYPTO_DISABLE_AES_KW
;
227 if (object_property_get_bool(OBJECT(qdev_get_machine()), "aes-key-wrap",
229 attr
= KVM_S390_VM_CRYPTO_ENABLE_AES_KW
;
232 if (kvm_vm_check_attr(kvm_state
, KVM_S390_VM_CRYPTO
, attr
)) {
233 kvm_s390_set_attr(attr
);
237 static void kvm_s390_init_dea_kw(void)
239 uint64_t attr
= KVM_S390_VM_CRYPTO_DISABLE_DEA_KW
;
241 if (object_property_get_bool(OBJECT(qdev_get_machine()), "dea-key-wrap",
243 attr
= KVM_S390_VM_CRYPTO_ENABLE_DEA_KW
;
246 if (kvm_vm_check_attr(kvm_state
, KVM_S390_VM_CRYPTO
, attr
)) {
247 kvm_s390_set_attr(attr
);
251 static void kvm_s390_init_crypto(void)
253 kvm_s390_init_aes_kw();
254 kvm_s390_init_dea_kw();
257 int kvm_arch_init(MachineState
*ms
, KVMState
*s
)
259 cap_sync_regs
= kvm_check_extension(s
, KVM_CAP_SYNC_REGS
);
260 cap_async_pf
= kvm_check_extension(s
, KVM_CAP_ASYNC_PF
);
261 cap_mem_op
= kvm_check_extension(s
, KVM_CAP_S390_MEM_OP
);
262 cap_s390_irq
= kvm_check_extension(s
, KVM_CAP_S390_INJECT_IRQ
);
264 kvm_s390_enable_cmma(s
);
266 if (!kvm_check_extension(s
, KVM_CAP_S390_GMAP
)
267 || !kvm_check_extension(s
, KVM_CAP_S390_COW
)) {
268 phys_mem_set_alloc(legacy_s390_alloc
);
271 kvm_vm_enable_cap(s
, KVM_CAP_S390_USER_SIGP
, 0);
272 kvm_vm_enable_cap(s
, KVM_CAP_S390_VECTOR_REGISTERS
, 0);
273 kvm_vm_enable_cap(s
, KVM_CAP_S390_USER_STSI
, 0);
278 unsigned long kvm_arch_vcpu_id(CPUState
*cpu
)
280 return cpu
->cpu_index
;
283 int kvm_arch_init_vcpu(CPUState
*cs
)
285 S390CPU
*cpu
= S390_CPU(cs
);
286 kvm_s390_set_cpu_state(cpu
, cpu
->env
.cpu_state
);
287 cpu
->irqstate
= g_malloc0(VCPU_IRQ_BUF_SIZE
);
291 void kvm_s390_reset_vcpu(S390CPU
*cpu
)
293 CPUState
*cs
= CPU(cpu
);
295 /* The initial reset call is needed here to reset in-kernel
296 * vcpu data that we can't access directly from QEMU
297 * (i.e. with older kernels which don't support sync_regs/ONE_REG).
298 * Before this ioctl cpu_synchronize_state() is called in common kvm
300 if (kvm_vcpu_ioctl(cs
, KVM_S390_INITIAL_RESET
, NULL
)) {
301 error_report("Initial CPU reset failed on CPU %i", cs
->cpu_index
);
304 kvm_s390_init_crypto();
307 static int can_sync_regs(CPUState
*cs
, int regs
)
309 return cap_sync_regs
&& (cs
->kvm_run
->kvm_valid_regs
& regs
) == regs
;
312 int kvm_arch_put_registers(CPUState
*cs
, int level
)
314 S390CPU
*cpu
= S390_CPU(cs
);
315 CPUS390XState
*env
= &cpu
->env
;
316 struct kvm_sregs sregs
;
317 struct kvm_regs regs
;
318 struct kvm_fpu fpu
= {};
322 /* always save the PSW and the GPRS*/
323 cs
->kvm_run
->psw_addr
= env
->psw
.addr
;
324 cs
->kvm_run
->psw_mask
= env
->psw
.mask
;
326 if (can_sync_regs(cs
, KVM_SYNC_GPRS
)) {
327 for (i
= 0; i
< 16; i
++) {
328 cs
->kvm_run
->s
.regs
.gprs
[i
] = env
->regs
[i
];
329 cs
->kvm_run
->kvm_dirty_regs
|= KVM_SYNC_GPRS
;
332 for (i
= 0; i
< 16; i
++) {
333 regs
.gprs
[i
] = env
->regs
[i
];
335 r
= kvm_vcpu_ioctl(cs
, KVM_SET_REGS
, ®s
);
341 if (can_sync_regs(cs
, KVM_SYNC_VRS
)) {
342 for (i
= 0; i
< 32; i
++) {
343 cs
->kvm_run
->s
.regs
.vrs
[i
][0] = env
->vregs
[i
][0].ll
;
344 cs
->kvm_run
->s
.regs
.vrs
[i
][1] = env
->vregs
[i
][1].ll
;
346 cs
->kvm_run
->s
.regs
.fpc
= env
->fpc
;
347 cs
->kvm_run
->kvm_dirty_regs
|= KVM_SYNC_VRS
;
350 for (i
= 0; i
< 16; i
++) {
351 fpu
.fprs
[i
] = get_freg(env
, i
)->ll
;
355 r
= kvm_vcpu_ioctl(cs
, KVM_SET_FPU
, &fpu
);
361 /* Do we need to save more than that? */
362 if (level
== KVM_PUT_RUNTIME_STATE
) {
366 if (can_sync_regs(cs
, KVM_SYNC_ARCH0
)) {
367 cs
->kvm_run
->s
.regs
.cputm
= env
->cputm
;
368 cs
->kvm_run
->s
.regs
.ckc
= env
->ckc
;
369 cs
->kvm_run
->s
.regs
.todpr
= env
->todpr
;
370 cs
->kvm_run
->s
.regs
.gbea
= env
->gbea
;
371 cs
->kvm_run
->s
.regs
.pp
= env
->pp
;
372 cs
->kvm_run
->kvm_dirty_regs
|= KVM_SYNC_ARCH0
;
375 * These ONE_REGS are not protected by a capability. As they are only
376 * necessary for migration we just trace a possible error, but don't
377 * return with an error return code.
379 kvm_set_one_reg(cs
, KVM_REG_S390_CPU_TIMER
, &env
->cputm
);
380 kvm_set_one_reg(cs
, KVM_REG_S390_CLOCK_COMP
, &env
->ckc
);
381 kvm_set_one_reg(cs
, KVM_REG_S390_TODPR
, &env
->todpr
);
382 kvm_set_one_reg(cs
, KVM_REG_S390_GBEA
, &env
->gbea
);
383 kvm_set_one_reg(cs
, KVM_REG_S390_PP
, &env
->pp
);
386 /* pfault parameters */
387 if (can_sync_regs(cs
, KVM_SYNC_PFAULT
)) {
388 cs
->kvm_run
->s
.regs
.pft
= env
->pfault_token
;
389 cs
->kvm_run
->s
.regs
.pfs
= env
->pfault_select
;
390 cs
->kvm_run
->s
.regs
.pfc
= env
->pfault_compare
;
391 cs
->kvm_run
->kvm_dirty_regs
|= KVM_SYNC_PFAULT
;
392 } else if (cap_async_pf
) {
393 r
= kvm_set_one_reg(cs
, KVM_REG_S390_PFTOKEN
, &env
->pfault_token
);
397 r
= kvm_set_one_reg(cs
, KVM_REG_S390_PFCOMPARE
, &env
->pfault_compare
);
401 r
= kvm_set_one_reg(cs
, KVM_REG_S390_PFSELECT
, &env
->pfault_select
);
407 /* access registers and control registers*/
408 if (can_sync_regs(cs
, KVM_SYNC_ACRS
| KVM_SYNC_CRS
)) {
409 for (i
= 0; i
< 16; i
++) {
410 cs
->kvm_run
->s
.regs
.acrs
[i
] = env
->aregs
[i
];
411 cs
->kvm_run
->s
.regs
.crs
[i
] = env
->cregs
[i
];
413 cs
->kvm_run
->kvm_dirty_regs
|= KVM_SYNC_ACRS
;
414 cs
->kvm_run
->kvm_dirty_regs
|= KVM_SYNC_CRS
;
416 for (i
= 0; i
< 16; i
++) {
417 sregs
.acrs
[i
] = env
->aregs
[i
];
418 sregs
.crs
[i
] = env
->cregs
[i
];
420 r
= kvm_vcpu_ioctl(cs
, KVM_SET_SREGS
, &sregs
);
426 /* Finally the prefix */
427 if (can_sync_regs(cs
, KVM_SYNC_PREFIX
)) {
428 cs
->kvm_run
->s
.regs
.prefix
= env
->psa
;
429 cs
->kvm_run
->kvm_dirty_regs
|= KVM_SYNC_PREFIX
;
431 /* prefix is only supported via sync regs */
436 int kvm_arch_get_registers(CPUState
*cs
)
438 S390CPU
*cpu
= S390_CPU(cs
);
439 CPUS390XState
*env
= &cpu
->env
;
440 struct kvm_sregs sregs
;
441 struct kvm_regs regs
;
446 env
->psw
.addr
= cs
->kvm_run
->psw_addr
;
447 env
->psw
.mask
= cs
->kvm_run
->psw_mask
;
450 if (can_sync_regs(cs
, KVM_SYNC_GPRS
)) {
451 for (i
= 0; i
< 16; i
++) {
452 env
->regs
[i
] = cs
->kvm_run
->s
.regs
.gprs
[i
];
455 r
= kvm_vcpu_ioctl(cs
, KVM_GET_REGS
, ®s
);
459 for (i
= 0; i
< 16; i
++) {
460 env
->regs
[i
] = regs
.gprs
[i
];
464 /* The ACRS and CRS */
465 if (can_sync_regs(cs
, KVM_SYNC_ACRS
| KVM_SYNC_CRS
)) {
466 for (i
= 0; i
< 16; i
++) {
467 env
->aregs
[i
] = cs
->kvm_run
->s
.regs
.acrs
[i
];
468 env
->cregs
[i
] = cs
->kvm_run
->s
.regs
.crs
[i
];
471 r
= kvm_vcpu_ioctl(cs
, KVM_GET_SREGS
, &sregs
);
475 for (i
= 0; i
< 16; i
++) {
476 env
->aregs
[i
] = sregs
.acrs
[i
];
477 env
->cregs
[i
] = sregs
.crs
[i
];
481 /* Floating point and vector registers */
482 if (can_sync_regs(cs
, KVM_SYNC_VRS
)) {
483 for (i
= 0; i
< 32; i
++) {
484 env
->vregs
[i
][0].ll
= cs
->kvm_run
->s
.regs
.vrs
[i
][0];
485 env
->vregs
[i
][1].ll
= cs
->kvm_run
->s
.regs
.vrs
[i
][1];
487 env
->fpc
= cs
->kvm_run
->s
.regs
.fpc
;
489 r
= kvm_vcpu_ioctl(cs
, KVM_GET_FPU
, &fpu
);
493 for (i
= 0; i
< 16; i
++) {
494 get_freg(env
, i
)->ll
= fpu
.fprs
[i
];
500 if (can_sync_regs(cs
, KVM_SYNC_PREFIX
)) {
501 env
->psa
= cs
->kvm_run
->s
.regs
.prefix
;
504 if (can_sync_regs(cs
, KVM_SYNC_ARCH0
)) {
505 env
->cputm
= cs
->kvm_run
->s
.regs
.cputm
;
506 env
->ckc
= cs
->kvm_run
->s
.regs
.ckc
;
507 env
->todpr
= cs
->kvm_run
->s
.regs
.todpr
;
508 env
->gbea
= cs
->kvm_run
->s
.regs
.gbea
;
509 env
->pp
= cs
->kvm_run
->s
.regs
.pp
;
512 * These ONE_REGS are not protected by a capability. As they are only
513 * necessary for migration we just trace a possible error, but don't
514 * return with an error return code.
516 kvm_get_one_reg(cs
, KVM_REG_S390_CPU_TIMER
, &env
->cputm
);
517 kvm_get_one_reg(cs
, KVM_REG_S390_CLOCK_COMP
, &env
->ckc
);
518 kvm_get_one_reg(cs
, KVM_REG_S390_TODPR
, &env
->todpr
);
519 kvm_get_one_reg(cs
, KVM_REG_S390_GBEA
, &env
->gbea
);
520 kvm_get_one_reg(cs
, KVM_REG_S390_PP
, &env
->pp
);
523 /* pfault parameters */
524 if (can_sync_regs(cs
, KVM_SYNC_PFAULT
)) {
525 env
->pfault_token
= cs
->kvm_run
->s
.regs
.pft
;
526 env
->pfault_select
= cs
->kvm_run
->s
.regs
.pfs
;
527 env
->pfault_compare
= cs
->kvm_run
->s
.regs
.pfc
;
528 } else if (cap_async_pf
) {
529 r
= kvm_get_one_reg(cs
, KVM_REG_S390_PFTOKEN
, &env
->pfault_token
);
533 r
= kvm_get_one_reg(cs
, KVM_REG_S390_PFCOMPARE
, &env
->pfault_compare
);
537 r
= kvm_get_one_reg(cs
, KVM_REG_S390_PFSELECT
, &env
->pfault_select
);
546 int kvm_s390_get_clock(uint8_t *tod_high
, uint64_t *tod_low
)
549 struct kvm_device_attr attr
= {
550 .group
= KVM_S390_VM_TOD
,
551 .attr
= KVM_S390_VM_TOD_LOW
,
552 .addr
= (uint64_t)tod_low
,
555 r
= kvm_vm_ioctl(kvm_state
, KVM_GET_DEVICE_ATTR
, &attr
);
560 attr
.attr
= KVM_S390_VM_TOD_HIGH
;
561 attr
.addr
= (uint64_t)tod_high
;
562 return kvm_vm_ioctl(kvm_state
, KVM_GET_DEVICE_ATTR
, &attr
);
565 int kvm_s390_set_clock(uint8_t *tod_high
, uint64_t *tod_low
)
569 struct kvm_device_attr attr
= {
570 .group
= KVM_S390_VM_TOD
,
571 .attr
= KVM_S390_VM_TOD_LOW
,
572 .addr
= (uint64_t)tod_low
,
575 r
= kvm_vm_ioctl(kvm_state
, KVM_SET_DEVICE_ATTR
, &attr
);
580 attr
.attr
= KVM_S390_VM_TOD_HIGH
;
581 attr
.addr
= (uint64_t)tod_high
;
582 return kvm_vm_ioctl(kvm_state
, KVM_SET_DEVICE_ATTR
, &attr
);
587 * @addr: the logical start address in guest memory
588 * @ar: the access register number
589 * @hostbuf: buffer in host memory. NULL = do only checks w/o copying
590 * @len: length that should be transfered
591 * @is_write: true = write, false = read
592 * Returns: 0 on success, non-zero if an exception or error occured
594 * Use KVM ioctl to read/write from/to guest memory. An access exception
595 * is injected into the vCPU in case of translation errors.
597 int kvm_s390_mem_op(S390CPU
*cpu
, vaddr addr
, uint8_t ar
, void *hostbuf
,
598 int len
, bool is_write
)
600 struct kvm_s390_mem_op mem_op
= {
602 .flags
= KVM_S390_MEMOP_F_INJECT_EXCEPTION
,
604 .op
= is_write
? KVM_S390_MEMOP_LOGICAL_WRITE
605 : KVM_S390_MEMOP_LOGICAL_READ
,
606 .buf
= (uint64_t)hostbuf
,
615 mem_op
.flags
|= KVM_S390_MEMOP_F_CHECK_ONLY
;
618 ret
= kvm_vcpu_ioctl(CPU(cpu
), KVM_S390_MEM_OP
, &mem_op
);
620 error_printf("KVM_S390_MEM_OP failed: %s\n", strerror(-ret
));
626 * Legacy layout for s390:
627 * Older S390 KVM requires the topmost vma of the RAM to be
628 * smaller than an system defined value, which is at least 256GB.
629 * Larger systems have larger values. We put the guest between
630 * the end of data segment (system break) and this value. We
631 * use 32GB as a base to have enough room for the system break
632 * to grow. We also have to use MAP parameters that avoid
633 * read-only mapping of guest pages.
635 static void *legacy_s390_alloc(size_t size
, uint64_t *align
)
639 mem
= mmap((void *) 0x800000000ULL
, size
,
640 PROT_EXEC
|PROT_READ
|PROT_WRITE
,
641 MAP_SHARED
| MAP_ANONYMOUS
| MAP_FIXED
, -1, 0);
642 return mem
== MAP_FAILED
? NULL
: mem
;
645 /* DIAG 501 is used for sw breakpoints */
646 static const uint8_t diag_501
[] = {0x83, 0x24, 0x05, 0x01};
648 int kvm_arch_insert_sw_breakpoint(CPUState
*cs
, struct kvm_sw_breakpoint
*bp
)
651 if (cpu_memory_rw_debug(cs
, bp
->pc
, (uint8_t *)&bp
->saved_insn
,
652 sizeof(diag_501
), 0) ||
653 cpu_memory_rw_debug(cs
, bp
->pc
, (uint8_t *)diag_501
,
654 sizeof(diag_501
), 1)) {
660 int kvm_arch_remove_sw_breakpoint(CPUState
*cs
, struct kvm_sw_breakpoint
*bp
)
662 uint8_t t
[sizeof(diag_501
)];
664 if (cpu_memory_rw_debug(cs
, bp
->pc
, t
, sizeof(diag_501
), 0)) {
666 } else if (memcmp(t
, diag_501
, sizeof(diag_501
))) {
668 } else if (cpu_memory_rw_debug(cs
, bp
->pc
, (uint8_t *)&bp
->saved_insn
,
669 sizeof(diag_501
), 1)) {
676 static struct kvm_hw_breakpoint
*find_hw_breakpoint(target_ulong addr
,
681 for (n
= 0; n
< nb_hw_breakpoints
; n
++) {
682 if (hw_breakpoints
[n
].addr
== addr
&& hw_breakpoints
[n
].type
== type
&&
683 (hw_breakpoints
[n
].len
== len
|| len
== -1)) {
684 return &hw_breakpoints
[n
];
691 static int insert_hw_breakpoint(target_ulong addr
, int len
, int type
)
695 if (find_hw_breakpoint(addr
, len
, type
)) {
699 size
= (nb_hw_breakpoints
+ 1) * sizeof(struct kvm_hw_breakpoint
);
701 if (!hw_breakpoints
) {
702 nb_hw_breakpoints
= 0;
703 hw_breakpoints
= (struct kvm_hw_breakpoint
*)g_try_malloc(size
);
706 (struct kvm_hw_breakpoint
*)g_try_realloc(hw_breakpoints
, size
);
709 if (!hw_breakpoints
) {
710 nb_hw_breakpoints
= 0;
714 hw_breakpoints
[nb_hw_breakpoints
].addr
= addr
;
715 hw_breakpoints
[nb_hw_breakpoints
].len
= len
;
716 hw_breakpoints
[nb_hw_breakpoints
].type
= type
;
723 int kvm_arch_insert_hw_breakpoint(target_ulong addr
,
724 target_ulong len
, int type
)
727 case GDB_BREAKPOINT_HW
:
730 case GDB_WATCHPOINT_WRITE
:
734 type
= KVM_HW_WP_WRITE
;
739 return insert_hw_breakpoint(addr
, len
, type
);
742 int kvm_arch_remove_hw_breakpoint(target_ulong addr
,
743 target_ulong len
, int type
)
746 struct kvm_hw_breakpoint
*bp
= find_hw_breakpoint(addr
, len
, type
);
753 if (nb_hw_breakpoints
> 0) {
755 * In order to trim the array, move the last element to the position to
756 * be removed - if necessary.
758 if (bp
!= &hw_breakpoints
[nb_hw_breakpoints
]) {
759 *bp
= hw_breakpoints
[nb_hw_breakpoints
];
761 size
= nb_hw_breakpoints
* sizeof(struct kvm_hw_breakpoint
);
763 (struct kvm_hw_breakpoint
*)g_realloc(hw_breakpoints
, size
);
765 g_free(hw_breakpoints
);
766 hw_breakpoints
= NULL
;
772 void kvm_arch_remove_all_hw_breakpoints(void)
774 nb_hw_breakpoints
= 0;
775 g_free(hw_breakpoints
);
776 hw_breakpoints
= NULL
;
779 void kvm_arch_update_guest_debug(CPUState
*cpu
, struct kvm_guest_debug
*dbg
)
783 if (nb_hw_breakpoints
> 0) {
784 dbg
->arch
.nr_hw_bp
= nb_hw_breakpoints
;
785 dbg
->arch
.hw_bp
= hw_breakpoints
;
787 for (i
= 0; i
< nb_hw_breakpoints
; ++i
) {
788 hw_breakpoints
[i
].phys_addr
= s390_cpu_get_phys_addr_debug(cpu
,
789 hw_breakpoints
[i
].addr
);
791 dbg
->control
|= KVM_GUESTDBG_ENABLE
| KVM_GUESTDBG_USE_HW_BP
;
793 dbg
->arch
.nr_hw_bp
= 0;
794 dbg
->arch
.hw_bp
= NULL
;
798 void kvm_arch_pre_run(CPUState
*cpu
, struct kvm_run
*run
)
802 MemTxAttrs
kvm_arch_post_run(CPUState
*cs
, struct kvm_run
*run
)
804 return MEMTXATTRS_UNSPECIFIED
;
807 int kvm_arch_process_async_events(CPUState
*cs
)
812 static int s390_kvm_irq_to_interrupt(struct kvm_s390_irq
*irq
,
813 struct kvm_s390_interrupt
*interrupt
)
817 interrupt
->type
= irq
->type
;
819 case KVM_S390_INT_VIRTIO
:
820 interrupt
->parm
= irq
->u
.ext
.ext_params
;
822 case KVM_S390_INT_PFAULT_INIT
:
823 case KVM_S390_INT_PFAULT_DONE
:
824 interrupt
->parm64
= irq
->u
.ext
.ext_params2
;
826 case KVM_S390_PROGRAM_INT
:
827 interrupt
->parm
= irq
->u
.pgm
.code
;
829 case KVM_S390_SIGP_SET_PREFIX
:
830 interrupt
->parm
= irq
->u
.prefix
.address
;
832 case KVM_S390_INT_SERVICE
:
833 interrupt
->parm
= irq
->u
.ext
.ext_params
;
836 interrupt
->parm
= irq
->u
.mchk
.cr14
;
837 interrupt
->parm64
= irq
->u
.mchk
.mcic
;
839 case KVM_S390_INT_EXTERNAL_CALL
:
840 interrupt
->parm
= irq
->u
.extcall
.code
;
842 case KVM_S390_INT_EMERGENCY
:
843 interrupt
->parm
= irq
->u
.emerg
.code
;
845 case KVM_S390_SIGP_STOP
:
846 case KVM_S390_RESTART
:
847 break; /* These types have no parameters */
848 case KVM_S390_INT_IO_MIN
...KVM_S390_INT_IO_MAX
:
849 interrupt
->parm
= irq
->u
.io
.subchannel_id
<< 16;
850 interrupt
->parm
|= irq
->u
.io
.subchannel_nr
;
851 interrupt
->parm64
= (uint64_t)irq
->u
.io
.io_int_parm
<< 32;
852 interrupt
->parm64
|= irq
->u
.io
.io_int_word
;
861 static void inject_vcpu_irq_legacy(CPUState
*cs
, struct kvm_s390_irq
*irq
)
863 struct kvm_s390_interrupt kvmint
= {};
866 r
= s390_kvm_irq_to_interrupt(irq
, &kvmint
);
868 fprintf(stderr
, "%s called with bogus interrupt\n", __func__
);
872 r
= kvm_vcpu_ioctl(cs
, KVM_S390_INTERRUPT
, &kvmint
);
874 fprintf(stderr
, "KVM failed to inject interrupt\n");
879 void kvm_s390_vcpu_interrupt(S390CPU
*cpu
, struct kvm_s390_irq
*irq
)
881 CPUState
*cs
= CPU(cpu
);
885 r
= kvm_vcpu_ioctl(cs
, KVM_S390_IRQ
, irq
);
889 error_report("KVM failed to inject interrupt %llx", irq
->type
);
893 inject_vcpu_irq_legacy(cs
, irq
);
896 static void __kvm_s390_floating_interrupt(struct kvm_s390_irq
*irq
)
898 struct kvm_s390_interrupt kvmint
= {};
901 r
= s390_kvm_irq_to_interrupt(irq
, &kvmint
);
903 fprintf(stderr
, "%s called with bogus interrupt\n", __func__
);
907 r
= kvm_vm_ioctl(kvm_state
, KVM_S390_INTERRUPT
, &kvmint
);
909 fprintf(stderr
, "KVM failed to inject interrupt\n");
914 void kvm_s390_floating_interrupt(struct kvm_s390_irq
*irq
)
916 static bool use_flic
= true;
920 r
= kvm_s390_inject_flic(irq
);
928 __kvm_s390_floating_interrupt(irq
);
931 void kvm_s390_virtio_irq(int config_change
, uint64_t token
)
933 struct kvm_s390_irq irq
= {
934 .type
= KVM_S390_INT_VIRTIO
,
935 .u
.ext
.ext_params
= config_change
,
936 .u
.ext
.ext_params2
= token
,
939 kvm_s390_floating_interrupt(&irq
);
942 void kvm_s390_service_interrupt(uint32_t parm
)
944 struct kvm_s390_irq irq
= {
945 .type
= KVM_S390_INT_SERVICE
,
946 .u
.ext
.ext_params
= parm
,
949 kvm_s390_floating_interrupt(&irq
);
952 static void enter_pgmcheck(S390CPU
*cpu
, uint16_t code
)
954 struct kvm_s390_irq irq
= {
955 .type
= KVM_S390_PROGRAM_INT
,
959 kvm_s390_vcpu_interrupt(cpu
, &irq
);
962 void kvm_s390_access_exception(S390CPU
*cpu
, uint16_t code
, uint64_t te_code
)
964 struct kvm_s390_irq irq
= {
965 .type
= KVM_S390_PROGRAM_INT
,
967 .u
.pgm
.trans_exc_code
= te_code
,
968 .u
.pgm
.exc_access_id
= te_code
& 3,
971 kvm_s390_vcpu_interrupt(cpu
, &irq
);
974 static int kvm_sclp_service_call(S390CPU
*cpu
, struct kvm_run
*run
,
977 CPUS390XState
*env
= &cpu
->env
;
982 cpu_synchronize_state(CPU(cpu
));
983 sccb
= env
->regs
[ipbh0
& 0xf];
984 code
= env
->regs
[(ipbh0
& 0xf0) >> 4];
986 r
= sclp_service_call(env
, sccb
, code
);
988 enter_pgmcheck(cpu
, -r
);
996 static int handle_b2(S390CPU
*cpu
, struct kvm_run
*run
, uint8_t ipa1
)
998 CPUS390XState
*env
= &cpu
->env
;
1000 uint16_t ipbh0
= (run
->s390_sieic
.ipb
& 0xffff0000) >> 16;
1002 cpu_synchronize_state(CPU(cpu
));
1006 ioinst_handle_xsch(cpu
, env
->regs
[1]);
1009 ioinst_handle_csch(cpu
, env
->regs
[1]);
1012 ioinst_handle_hsch(cpu
, env
->regs
[1]);
1015 ioinst_handle_msch(cpu
, env
->regs
[1], run
->s390_sieic
.ipb
);
1018 ioinst_handle_ssch(cpu
, env
->regs
[1], run
->s390_sieic
.ipb
);
1021 ioinst_handle_stcrw(cpu
, run
->s390_sieic
.ipb
);
1024 ioinst_handle_stsch(cpu
, env
->regs
[1], run
->s390_sieic
.ipb
);
1027 /* We should only get tsch via KVM_EXIT_S390_TSCH. */
1028 fprintf(stderr
, "Spurious tsch intercept\n");
1031 ioinst_handle_chsc(cpu
, run
->s390_sieic
.ipb
);
1034 /* This should have been handled by kvm already. */
1035 fprintf(stderr
, "Spurious tpi intercept\n");
1038 ioinst_handle_schm(cpu
, env
->regs
[1], env
->regs
[2],
1039 run
->s390_sieic
.ipb
);
1042 ioinst_handle_rsch(cpu
, env
->regs
[1]);
1045 ioinst_handle_rchp(cpu
, env
->regs
[1]);
1048 /* We do not provide this instruction, it is suppressed. */
1051 ioinst_handle_sal(cpu
, env
->regs
[1]);
1054 /* Not provided, set CC = 3 for subchannel not operational */
1057 case PRIV_B2_SCLP_CALL
:
1058 rc
= kvm_sclp_service_call(cpu
, run
, ipbh0
);
1062 DPRINTF("KVM: unhandled PRIV: 0xb2%x\n", ipa1
);
1069 static uint64_t get_base_disp_rxy(S390CPU
*cpu
, struct kvm_run
*run
,
1072 CPUS390XState
*env
= &cpu
->env
;
1073 uint32_t x2
= (run
->s390_sieic
.ipa
& 0x000f);
1074 uint32_t base2
= run
->s390_sieic
.ipb
>> 28;
1075 uint32_t disp2
= ((run
->s390_sieic
.ipb
& 0x0fff0000) >> 16) +
1076 ((run
->s390_sieic
.ipb
& 0xff00) << 4);
1078 if (disp2
& 0x80000) {
1079 disp2
+= 0xfff00000;
1085 return (base2
? env
->regs
[base2
] : 0) +
1086 (x2
? env
->regs
[x2
] : 0) + (long)(int)disp2
;
1089 static uint64_t get_base_disp_rsy(S390CPU
*cpu
, struct kvm_run
*run
,
1092 CPUS390XState
*env
= &cpu
->env
;
1093 uint32_t base2
= run
->s390_sieic
.ipb
>> 28;
1094 uint32_t disp2
= ((run
->s390_sieic
.ipb
& 0x0fff0000) >> 16) +
1095 ((run
->s390_sieic
.ipb
& 0xff00) << 4);
1097 if (disp2
& 0x80000) {
1098 disp2
+= 0xfff00000;
1104 return (base2
? env
->regs
[base2
] : 0) + (long)(int)disp2
;
1107 static int kvm_clp_service_call(S390CPU
*cpu
, struct kvm_run
*run
)
1109 uint8_t r2
= (run
->s390_sieic
.ipb
& 0x000f0000) >> 16;
1111 return clp_service_call(cpu
, r2
);
1114 static int kvm_pcilg_service_call(S390CPU
*cpu
, struct kvm_run
*run
)
1116 uint8_t r1
= (run
->s390_sieic
.ipb
& 0x00f00000) >> 20;
1117 uint8_t r2
= (run
->s390_sieic
.ipb
& 0x000f0000) >> 16;
1119 return pcilg_service_call(cpu
, r1
, r2
);
1122 static int kvm_pcistg_service_call(S390CPU
*cpu
, struct kvm_run
*run
)
1124 uint8_t r1
= (run
->s390_sieic
.ipb
& 0x00f00000) >> 20;
1125 uint8_t r2
= (run
->s390_sieic
.ipb
& 0x000f0000) >> 16;
1127 return pcistg_service_call(cpu
, r1
, r2
);
1130 static int kvm_stpcifc_service_call(S390CPU
*cpu
, struct kvm_run
*run
)
1132 uint8_t r1
= (run
->s390_sieic
.ipa
& 0x00f0) >> 4;
1136 cpu_synchronize_state(CPU(cpu
));
1137 fiba
= get_base_disp_rxy(cpu
, run
, &ar
);
1139 return stpcifc_service_call(cpu
, r1
, fiba
, ar
);
1142 static int kvm_sic_service_call(S390CPU
*cpu
, struct kvm_run
*run
)
1148 static int kvm_rpcit_service_call(S390CPU
*cpu
, struct kvm_run
*run
)
1150 uint8_t r1
= (run
->s390_sieic
.ipb
& 0x00f00000) >> 20;
1151 uint8_t r2
= (run
->s390_sieic
.ipb
& 0x000f0000) >> 16;
1153 return rpcit_service_call(cpu
, r1
, r2
);
1156 static int kvm_pcistb_service_call(S390CPU
*cpu
, struct kvm_run
*run
)
1158 uint8_t r1
= (run
->s390_sieic
.ipa
& 0x00f0) >> 4;
1159 uint8_t r3
= run
->s390_sieic
.ipa
& 0x000f;
1163 cpu_synchronize_state(CPU(cpu
));
1164 gaddr
= get_base_disp_rsy(cpu
, run
, &ar
);
1166 return pcistb_service_call(cpu
, r1
, r3
, gaddr
, ar
);
1169 static int kvm_mpcifc_service_call(S390CPU
*cpu
, struct kvm_run
*run
)
1171 uint8_t r1
= (run
->s390_sieic
.ipa
& 0x00f0) >> 4;
1175 cpu_synchronize_state(CPU(cpu
));
1176 fiba
= get_base_disp_rxy(cpu
, run
, &ar
);
1178 return mpcifc_service_call(cpu
, r1
, fiba
, ar
);
1181 static int handle_b9(S390CPU
*cpu
, struct kvm_run
*run
, uint8_t ipa1
)
1187 r
= kvm_clp_service_call(cpu
, run
);
1189 case PRIV_B9_PCISTG
:
1190 r
= kvm_pcistg_service_call(cpu
, run
);
1193 r
= kvm_pcilg_service_call(cpu
, run
);
1196 r
= kvm_rpcit_service_call(cpu
, run
);
1199 /* just inject exception */
1204 DPRINTF("KVM: unhandled PRIV: 0xb9%x\n", ipa1
);
1211 static int handle_eb(S390CPU
*cpu
, struct kvm_run
*run
, uint8_t ipbl
)
1216 case PRIV_EB_PCISTB
:
1217 r
= kvm_pcistb_service_call(cpu
, run
);
1220 r
= kvm_sic_service_call(cpu
, run
);
1223 /* just inject exception */
1228 DPRINTF("KVM: unhandled PRIV: 0xeb%x\n", ipbl
);
1235 static int handle_e3(S390CPU
*cpu
, struct kvm_run
*run
, uint8_t ipbl
)
1240 case PRIV_E3_MPCIFC
:
1241 r
= kvm_mpcifc_service_call(cpu
, run
);
1243 case PRIV_E3_STPCIFC
:
1244 r
= kvm_stpcifc_service_call(cpu
, run
);
1248 DPRINTF("KVM: unhandled PRIV: 0xe3%x\n", ipbl
);
1255 static int handle_hypercall(S390CPU
*cpu
, struct kvm_run
*run
)
1257 CPUS390XState
*env
= &cpu
->env
;
1260 cpu_synchronize_state(CPU(cpu
));
1261 ret
= s390_virtio_hypercall(env
);
1262 if (ret
== -EINVAL
) {
1263 enter_pgmcheck(cpu
, PGM_SPECIFICATION
);
1270 static void kvm_handle_diag_308(S390CPU
*cpu
, struct kvm_run
*run
)
1274 cpu_synchronize_state(CPU(cpu
));
1275 r1
= (run
->s390_sieic
.ipa
& 0x00f0) >> 4;
1276 r3
= run
->s390_sieic
.ipa
& 0x000f;
1277 handle_diag_308(&cpu
->env
, r1
, r3
);
1280 static int handle_sw_breakpoint(S390CPU
*cpu
, struct kvm_run
*run
)
1282 CPUS390XState
*env
= &cpu
->env
;
1285 cpu_synchronize_state(CPU(cpu
));
1287 pc
= env
->psw
.addr
- 4;
1288 if (kvm_find_sw_breakpoint(CPU(cpu
), pc
)) {
1296 #define DIAG_KVM_CODE_MASK 0x000000000000ffff
1298 static int handle_diag(S390CPU
*cpu
, struct kvm_run
*run
, uint32_t ipb
)
1304 * For any diagnose call we support, bits 48-63 of the resulting
1305 * address specify the function code; the remainder is ignored.
1307 func_code
= decode_basedisp_rs(&cpu
->env
, ipb
, NULL
) & DIAG_KVM_CODE_MASK
;
1308 switch (func_code
) {
1310 kvm_handle_diag_308(cpu
, run
);
1312 case DIAG_KVM_HYPERCALL
:
1313 r
= handle_hypercall(cpu
, run
);
1315 case DIAG_KVM_BREAKPOINT
:
1316 r
= handle_sw_breakpoint(cpu
, run
);
1319 DPRINTF("KVM: unknown DIAG: 0x%x\n", func_code
);
1320 enter_pgmcheck(cpu
, PGM_SPECIFICATION
);
1327 typedef struct SigpInfo
{
1331 uint64_t *status_reg
;
1334 static void set_sigp_status(SigpInfo
*si
, uint64_t status
)
1336 *si
->status_reg
&= 0xffffffff00000000ULL
;
1337 *si
->status_reg
|= status
;
1338 si
->cc
= SIGP_CC_STATUS_STORED
;
1341 static void sigp_start(void *arg
)
1345 if (s390_cpu_get_state(si
->cpu
) != CPU_STATE_STOPPED
) {
1346 si
->cc
= SIGP_CC_ORDER_CODE_ACCEPTED
;
1350 s390_cpu_set_state(CPU_STATE_OPERATING
, si
->cpu
);
1351 si
->cc
= SIGP_CC_ORDER_CODE_ACCEPTED
;
1354 static void sigp_stop(void *arg
)
1357 struct kvm_s390_irq irq
= {
1358 .type
= KVM_S390_SIGP_STOP
,
1361 if (s390_cpu_get_state(si
->cpu
) != CPU_STATE_OPERATING
) {
1362 si
->cc
= SIGP_CC_ORDER_CODE_ACCEPTED
;
1366 /* disabled wait - sleeping in user space */
1367 if (CPU(si
->cpu
)->halted
) {
1368 s390_cpu_set_state(CPU_STATE_STOPPED
, si
->cpu
);
1370 /* execute the stop function */
1371 si
->cpu
->env
.sigp_order
= SIGP_STOP
;
1372 kvm_s390_vcpu_interrupt(si
->cpu
, &irq
);
1374 si
->cc
= SIGP_CC_ORDER_CODE_ACCEPTED
;
1377 #define ADTL_SAVE_AREA_SIZE 1024
1378 static int kvm_s390_store_adtl_status(S390CPU
*cpu
, hwaddr addr
)
1381 hwaddr len
= ADTL_SAVE_AREA_SIZE
;
1383 mem
= cpu_physical_memory_map(addr
, &len
, 1);
1387 if (len
!= ADTL_SAVE_AREA_SIZE
) {
1388 cpu_physical_memory_unmap(mem
, len
, 1, 0);
1392 memcpy(mem
, &cpu
->env
.vregs
, 512);
1394 cpu_physical_memory_unmap(mem
, len
, 1, len
);
1399 #define KVM_S390_STORE_STATUS_DEF_ADDR offsetof(LowCore, floating_pt_save_area)
1400 #define SAVE_AREA_SIZE 512
1401 static int kvm_s390_store_status(S390CPU
*cpu
, hwaddr addr
, bool store_arch
)
1403 static const uint8_t ar_id
= 1;
1404 uint64_t ckc
= cpu
->env
.ckc
>> 8;
1407 hwaddr len
= SAVE_AREA_SIZE
;
1409 mem
= cpu_physical_memory_map(addr
, &len
, 1);
1413 if (len
!= SAVE_AREA_SIZE
) {
1414 cpu_physical_memory_unmap(mem
, len
, 1, 0);
1419 cpu_physical_memory_write(offsetof(LowCore
, ar_access_id
), &ar_id
, 1);
1421 for (i
= 0; i
< 16; ++i
) {
1422 *((uint64
*)mem
+ i
) = get_freg(&cpu
->env
, i
)->ll
;
1424 memcpy(mem
+ 128, &cpu
->env
.regs
, 128);
1425 memcpy(mem
+ 256, &cpu
->env
.psw
, 16);
1426 memcpy(mem
+ 280, &cpu
->env
.psa
, 4);
1427 memcpy(mem
+ 284, &cpu
->env
.fpc
, 4);
1428 memcpy(mem
+ 292, &cpu
->env
.todpr
, 4);
1429 memcpy(mem
+ 296, &cpu
->env
.cputm
, 8);
1430 memcpy(mem
+ 304, &ckc
, 8);
1431 memcpy(mem
+ 320, &cpu
->env
.aregs
, 64);
1432 memcpy(mem
+ 384, &cpu
->env
.cregs
, 128);
1434 cpu_physical_memory_unmap(mem
, len
, 1, len
);
1439 static void sigp_stop_and_store_status(void *arg
)
1442 struct kvm_s390_irq irq
= {
1443 .type
= KVM_S390_SIGP_STOP
,
1446 /* disabled wait - sleeping in user space */
1447 if (s390_cpu_get_state(si
->cpu
) == CPU_STATE_OPERATING
&&
1448 CPU(si
->cpu
)->halted
) {
1449 s390_cpu_set_state(CPU_STATE_STOPPED
, si
->cpu
);
1452 switch (s390_cpu_get_state(si
->cpu
)) {
1453 case CPU_STATE_OPERATING
:
1454 si
->cpu
->env
.sigp_order
= SIGP_STOP_STORE_STATUS
;
1455 kvm_s390_vcpu_interrupt(si
->cpu
, &irq
);
1456 /* store will be performed when handling the stop intercept */
1458 case CPU_STATE_STOPPED
:
1459 /* already stopped, just store the status */
1460 cpu_synchronize_state(CPU(si
->cpu
));
1461 kvm_s390_store_status(si
->cpu
, KVM_S390_STORE_STATUS_DEF_ADDR
, true);
1464 si
->cc
= SIGP_CC_ORDER_CODE_ACCEPTED
;
1467 static void sigp_store_status_at_address(void *arg
)
1470 uint32_t address
= si
->param
& 0x7ffffe00u
;
1472 /* cpu has to be stopped */
1473 if (s390_cpu_get_state(si
->cpu
) != CPU_STATE_STOPPED
) {
1474 set_sigp_status(si
, SIGP_STAT_INCORRECT_STATE
);
1478 cpu_synchronize_state(CPU(si
->cpu
));
1480 if (kvm_s390_store_status(si
->cpu
, address
, false)) {
1481 set_sigp_status(si
, SIGP_STAT_INVALID_PARAMETER
);
1484 si
->cc
= SIGP_CC_ORDER_CODE_ACCEPTED
;
1487 static void sigp_store_adtl_status(void *arg
)
1491 if (!kvm_check_extension(kvm_state
, KVM_CAP_S390_VECTOR_REGISTERS
)) {
1492 set_sigp_status(si
, SIGP_STAT_INVALID_ORDER
);
1496 /* cpu has to be stopped */
1497 if (s390_cpu_get_state(si
->cpu
) != CPU_STATE_STOPPED
) {
1498 set_sigp_status(si
, SIGP_STAT_INCORRECT_STATE
);
1502 /* parameter must be aligned to 1024-byte boundary */
1503 if (si
->param
& 0x3ff) {
1504 set_sigp_status(si
, SIGP_STAT_INVALID_PARAMETER
);
1508 cpu_synchronize_state(CPU(si
->cpu
));
1510 if (kvm_s390_store_adtl_status(si
->cpu
, si
->param
)) {
1511 set_sigp_status(si
, SIGP_STAT_INVALID_PARAMETER
);
1514 si
->cc
= SIGP_CC_ORDER_CODE_ACCEPTED
;
1517 static void sigp_restart(void *arg
)
1520 struct kvm_s390_irq irq
= {
1521 .type
= KVM_S390_RESTART
,
1524 switch (s390_cpu_get_state(si
->cpu
)) {
1525 case CPU_STATE_STOPPED
:
1526 /* the restart irq has to be delivered prior to any other pending irq */
1527 cpu_synchronize_state(CPU(si
->cpu
));
1528 do_restart_interrupt(&si
->cpu
->env
);
1529 s390_cpu_set_state(CPU_STATE_OPERATING
, si
->cpu
);
1531 case CPU_STATE_OPERATING
:
1532 kvm_s390_vcpu_interrupt(si
->cpu
, &irq
);
1535 si
->cc
= SIGP_CC_ORDER_CODE_ACCEPTED
;
1538 int kvm_s390_cpu_restart(S390CPU
*cpu
)
1544 run_on_cpu(CPU(cpu
), sigp_restart
, &si
);
1545 DPRINTF("DONE: KVM cpu restart: %p\n", &cpu
->env
);
1549 static void sigp_initial_cpu_reset(void *arg
)
1552 CPUState
*cs
= CPU(si
->cpu
);
1553 S390CPUClass
*scc
= S390_CPU_GET_CLASS(si
->cpu
);
1555 cpu_synchronize_state(cs
);
1556 scc
->initial_cpu_reset(cs
);
1557 cpu_synchronize_post_reset(cs
);
1558 si
->cc
= SIGP_CC_ORDER_CODE_ACCEPTED
;
1561 static void sigp_cpu_reset(void *arg
)
1564 CPUState
*cs
= CPU(si
->cpu
);
1565 S390CPUClass
*scc
= S390_CPU_GET_CLASS(si
->cpu
);
1567 cpu_synchronize_state(cs
);
1569 cpu_synchronize_post_reset(cs
);
1570 si
->cc
= SIGP_CC_ORDER_CODE_ACCEPTED
;
1573 static void sigp_set_prefix(void *arg
)
1576 uint32_t addr
= si
->param
& 0x7fffe000u
;
1578 cpu_synchronize_state(CPU(si
->cpu
));
1580 if (!address_space_access_valid(&address_space_memory
, addr
,
1581 sizeof(struct LowCore
), false)) {
1582 set_sigp_status(si
, SIGP_STAT_INVALID_PARAMETER
);
1586 /* cpu has to be stopped */
1587 if (s390_cpu_get_state(si
->cpu
) != CPU_STATE_STOPPED
) {
1588 set_sigp_status(si
, SIGP_STAT_INCORRECT_STATE
);
1592 si
->cpu
->env
.psa
= addr
;
1593 cpu_synchronize_post_init(CPU(si
->cpu
));
1594 si
->cc
= SIGP_CC_ORDER_CODE_ACCEPTED
;
1597 static int handle_sigp_single_dst(S390CPU
*dst_cpu
, uint8_t order
,
1598 uint64_t param
, uint64_t *status_reg
)
1603 .status_reg
= status_reg
,
1606 /* cpu available? */
1607 if (dst_cpu
== NULL
) {
1608 return SIGP_CC_NOT_OPERATIONAL
;
1611 /* only resets can break pending orders */
1612 if (dst_cpu
->env
.sigp_order
!= 0 &&
1613 order
!= SIGP_CPU_RESET
&&
1614 order
!= SIGP_INITIAL_CPU_RESET
) {
1615 return SIGP_CC_BUSY
;
1620 run_on_cpu(CPU(dst_cpu
), sigp_start
, &si
);
1623 run_on_cpu(CPU(dst_cpu
), sigp_stop
, &si
);
1626 run_on_cpu(CPU(dst_cpu
), sigp_restart
, &si
);
1628 case SIGP_STOP_STORE_STATUS
:
1629 run_on_cpu(CPU(dst_cpu
), sigp_stop_and_store_status
, &si
);
1631 case SIGP_STORE_STATUS_ADDR
:
1632 run_on_cpu(CPU(dst_cpu
), sigp_store_status_at_address
, &si
);
1634 case SIGP_STORE_ADTL_STATUS
:
1635 run_on_cpu(CPU(dst_cpu
), sigp_store_adtl_status
, &si
);
1637 case SIGP_SET_PREFIX
:
1638 run_on_cpu(CPU(dst_cpu
), sigp_set_prefix
, &si
);
1640 case SIGP_INITIAL_CPU_RESET
:
1641 run_on_cpu(CPU(dst_cpu
), sigp_initial_cpu_reset
, &si
);
1643 case SIGP_CPU_RESET
:
1644 run_on_cpu(CPU(dst_cpu
), sigp_cpu_reset
, &si
);
1647 DPRINTF("KVM: unknown SIGP: 0x%x\n", order
);
1648 set_sigp_status(&si
, SIGP_STAT_INVALID_ORDER
);
1654 static int sigp_set_architecture(S390CPU
*cpu
, uint32_t param
,
1655 uint64_t *status_reg
)
1660 /* due to the BQL, we are the only active cpu */
1661 CPU_FOREACH(cur_cs
) {
1662 cur_cpu
= S390_CPU(cur_cs
);
1663 if (cur_cpu
->env
.sigp_order
!= 0) {
1664 return SIGP_CC_BUSY
;
1666 cpu_synchronize_state(cur_cs
);
1667 /* all but the current one have to be stopped */
1668 if (cur_cpu
!= cpu
&&
1669 s390_cpu_get_state(cur_cpu
) != CPU_STATE_STOPPED
) {
1670 *status_reg
&= 0xffffffff00000000ULL
;
1671 *status_reg
|= SIGP_STAT_INCORRECT_STATE
;
1672 return SIGP_CC_STATUS_STORED
;
1676 switch (param
& 0xff) {
1677 case SIGP_MODE_ESA_S390
:
1679 return SIGP_CC_NOT_OPERATIONAL
;
1680 case SIGP_MODE_Z_ARCH_TRANS_ALL_PSW
:
1681 case SIGP_MODE_Z_ARCH_TRANS_CUR_PSW
:
1682 CPU_FOREACH(cur_cs
) {
1683 cur_cpu
= S390_CPU(cur_cs
);
1684 cur_cpu
->env
.pfault_token
= -1UL;
1688 *status_reg
&= 0xffffffff00000000ULL
;
1689 *status_reg
|= SIGP_STAT_INVALID_PARAMETER
;
1690 return SIGP_CC_STATUS_STORED
;
1693 return SIGP_CC_ORDER_CODE_ACCEPTED
;
1696 #define SIGP_ORDER_MASK 0x000000ff
1698 static int handle_sigp(S390CPU
*cpu
, struct kvm_run
*run
, uint8_t ipa1
)
1700 CPUS390XState
*env
= &cpu
->env
;
1701 const uint8_t r1
= ipa1
>> 4;
1702 const uint8_t r3
= ipa1
& 0x0f;
1705 uint64_t *status_reg
;
1707 S390CPU
*dst_cpu
= NULL
;
1709 cpu_synchronize_state(CPU(cpu
));
1711 /* get order code */
1712 order
= decode_basedisp_rs(env
, run
->s390_sieic
.ipb
, NULL
)
1714 status_reg
= &env
->regs
[r1
];
1715 param
= (r1
% 2) ? env
->regs
[r1
] : env
->regs
[r1
+ 1];
1719 ret
= sigp_set_architecture(cpu
, param
, status_reg
);
1722 /* all other sigp orders target a single vcpu */
1723 dst_cpu
= s390_cpu_addr2state(env
->regs
[r3
]);
1724 ret
= handle_sigp_single_dst(dst_cpu
, order
, param
, status_reg
);
1727 trace_kvm_sigp_finished(order
, CPU(cpu
)->cpu_index
,
1728 dst_cpu
? CPU(dst_cpu
)->cpu_index
: -1, ret
);
1738 static int handle_instruction(S390CPU
*cpu
, struct kvm_run
*run
)
1740 unsigned int ipa0
= (run
->s390_sieic
.ipa
& 0xff00);
1741 uint8_t ipa1
= run
->s390_sieic
.ipa
& 0x00ff;
1744 DPRINTF("handle_instruction 0x%x 0x%x\n",
1745 run
->s390_sieic
.ipa
, run
->s390_sieic
.ipb
);
1748 r
= handle_b2(cpu
, run
, ipa1
);
1751 r
= handle_b9(cpu
, run
, ipa1
);
1754 r
= handle_eb(cpu
, run
, run
->s390_sieic
.ipb
& 0xff);
1757 r
= handle_e3(cpu
, run
, run
->s390_sieic
.ipb
& 0xff);
1760 r
= handle_diag(cpu
, run
, run
->s390_sieic
.ipb
);
1763 r
= handle_sigp(cpu
, run
, ipa1
);
1769 enter_pgmcheck(cpu
, 0x0001);
1775 static bool is_special_wait_psw(CPUState
*cs
)
1777 /* signal quiesce */
1778 return cs
->kvm_run
->psw_addr
== 0xfffUL
;
1781 static void guest_panicked(void)
1783 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1785 vm_stop(RUN_STATE_GUEST_PANICKED
);
1788 static void unmanageable_intercept(S390CPU
*cpu
, const char *str
, int pswoffset
)
1790 CPUState
*cs
= CPU(cpu
);
1792 error_report("Unmanageable %s! CPU%i new PSW: 0x%016lx:%016lx",
1793 str
, cs
->cpu_index
, ldq_phys(cs
->as
, cpu
->env
.psa
+ pswoffset
),
1794 ldq_phys(cs
->as
, cpu
->env
.psa
+ pswoffset
+ 8));
1799 static int handle_intercept(S390CPU
*cpu
)
1801 CPUState
*cs
= CPU(cpu
);
1802 struct kvm_run
*run
= cs
->kvm_run
;
1803 int icpt_code
= run
->s390_sieic
.icptcode
;
1806 DPRINTF("intercept: 0x%x (at 0x%lx)\n", icpt_code
,
1807 (long)cs
->kvm_run
->psw_addr
);
1808 switch (icpt_code
) {
1809 case ICPT_INSTRUCTION
:
1810 r
= handle_instruction(cpu
, run
);
1813 unmanageable_intercept(cpu
, "program interrupt",
1814 offsetof(LowCore
, program_new_psw
));
1818 unmanageable_intercept(cpu
, "external interrupt",
1819 offsetof(LowCore
, external_new_psw
));
1823 /* disabled wait, since enabled wait is handled in kernel */
1824 cpu_synchronize_state(cs
);
1825 if (s390_cpu_halt(cpu
) == 0) {
1826 if (is_special_wait_psw(cs
)) {
1827 qemu_system_shutdown_request();
1835 if (s390_cpu_set_state(CPU_STATE_STOPPED
, cpu
) == 0) {
1836 qemu_system_shutdown_request();
1838 if (cpu
->env
.sigp_order
== SIGP_STOP_STORE_STATUS
) {
1839 kvm_s390_store_status(cpu
, KVM_S390_STORE_STATUS_DEF_ADDR
,
1842 cpu
->env
.sigp_order
= 0;
1845 case ICPT_SOFT_INTERCEPT
:
1846 fprintf(stderr
, "KVM unimplemented icpt SOFT\n");
1850 fprintf(stderr
, "KVM unimplemented icpt IO\n");
1854 fprintf(stderr
, "Unknown intercept code: %d\n", icpt_code
);
1862 static int handle_tsch(S390CPU
*cpu
)
1864 CPUState
*cs
= CPU(cpu
);
1865 struct kvm_run
*run
= cs
->kvm_run
;
1868 cpu_synchronize_state(cs
);
1870 ret
= ioinst_handle_tsch(cpu
, cpu
->env
.regs
[1], run
->s390_tsch
.ipb
);
1874 * If an I/O interrupt had been dequeued, we have to reinject it.
1876 if (run
->s390_tsch
.dequeued
) {
1877 kvm_s390_io_interrupt(run
->s390_tsch
.subchannel_id
,
1878 run
->s390_tsch
.subchannel_nr
,
1879 run
->s390_tsch
.io_int_parm
,
1880 run
->s390_tsch
.io_int_word
);
1887 static void insert_stsi_3_2_2(S390CPU
*cpu
, __u64 addr
, uint8_t ar
)
1889 struct sysib_322 sysib
;
1892 if (s390_cpu_virt_mem_read(cpu
, addr
, ar
, &sysib
, sizeof(sysib
))) {
1895 /* Shift the stack of Extended Names to prepare for our own data */
1896 memmove(&sysib
.ext_names
[1], &sysib
.ext_names
[0],
1897 sizeof(sysib
.ext_names
[0]) * (sysib
.count
- 1));
1898 /* First virt level, that doesn't provide Ext Names delimits stack. It is
1899 * assumed it's not capable of managing Extended Names for lower levels.
1901 for (del
= 1; del
< sysib
.count
; del
++) {
1902 if (!sysib
.vm
[del
].ext_name_encoding
|| !sysib
.ext_names
[del
][0]) {
1906 if (del
< sysib
.count
) {
1907 memset(sysib
.ext_names
[del
], 0,
1908 sizeof(sysib
.ext_names
[0]) * (sysib
.count
- del
));
1910 /* Insert short machine name in EBCDIC, padded with blanks */
1912 memset(sysib
.vm
[0].name
, 0x40, sizeof(sysib
.vm
[0].name
));
1913 ebcdic_put(sysib
.vm
[0].name
, qemu_name
, MIN(sizeof(sysib
.vm
[0].name
),
1914 strlen(qemu_name
)));
1916 sysib
.vm
[0].ext_name_encoding
= 2; /* 2 = UTF-8 */
1917 memset(sysib
.ext_names
[0], 0, sizeof(sysib
.ext_names
[0]));
1918 /* If hypervisor specifies zero Extended Name in STSI322 SYSIB, it's
1919 * considered by s390 as not capable of providing any Extended Name.
1920 * Therefore if no name was specified on qemu invocation, we go with the
1921 * same "KVMguest" default, which KVM has filled into short name field.
1924 strncpy((char *)sysib
.ext_names
[0], qemu_name
,
1925 sizeof(sysib
.ext_names
[0]));
1927 strcpy((char *)sysib
.ext_names
[0], "KVMguest");
1930 memcpy(sysib
.vm
[0].uuid
, qemu_uuid
, sizeof(sysib
.vm
[0].uuid
));
1932 s390_cpu_virt_mem_write(cpu
, addr
, ar
, &sysib
, sizeof(sysib
));
1935 static int handle_stsi(S390CPU
*cpu
)
1937 CPUState
*cs
= CPU(cpu
);
1938 struct kvm_run
*run
= cs
->kvm_run
;
1940 switch (run
->s390_stsi
.fc
) {
1942 if (run
->s390_stsi
.sel1
!= 2 || run
->s390_stsi
.sel2
!= 2) {
1945 /* Only sysib 3.2.2 needs post-handling for now. */
1946 insert_stsi_3_2_2(cpu
, run
->s390_stsi
.addr
, run
->s390_stsi
.ar
);
1953 static int kvm_arch_handle_debug_exit(S390CPU
*cpu
)
1955 CPUState
*cs
= CPU(cpu
);
1956 struct kvm_run
*run
= cs
->kvm_run
;
1959 struct kvm_debug_exit_arch
*arch_info
= &run
->debug
.arch
;
1961 switch (arch_info
->type
) {
1962 case KVM_HW_WP_WRITE
:
1963 if (find_hw_breakpoint(arch_info
->addr
, -1, arch_info
->type
)) {
1964 cs
->watchpoint_hit
= &hw_watchpoint
;
1965 hw_watchpoint
.vaddr
= arch_info
->addr
;
1966 hw_watchpoint
.flags
= BP_MEM_WRITE
;
1971 if (find_hw_breakpoint(arch_info
->addr
, -1, arch_info
->type
)) {
1975 case KVM_SINGLESTEP
:
1976 if (cs
->singlestep_enabled
) {
1987 int kvm_arch_handle_exit(CPUState
*cs
, struct kvm_run
*run
)
1989 S390CPU
*cpu
= S390_CPU(cs
);
1992 switch (run
->exit_reason
) {
1993 case KVM_EXIT_S390_SIEIC
:
1994 ret
= handle_intercept(cpu
);
1996 case KVM_EXIT_S390_RESET
:
1997 s390_reipl_request();
1999 case KVM_EXIT_S390_TSCH
:
2000 ret
= handle_tsch(cpu
);
2002 case KVM_EXIT_S390_STSI
:
2003 ret
= handle_stsi(cpu
);
2005 case KVM_EXIT_DEBUG
:
2006 ret
= kvm_arch_handle_debug_exit(cpu
);
2009 fprintf(stderr
, "Unknown KVM exit: %d\n", run
->exit_reason
);
2014 ret
= EXCP_INTERRUPT
;
2019 bool kvm_arch_stop_on_emulation_error(CPUState
*cpu
)
2024 int kvm_arch_on_sigbus_vcpu(CPUState
*cpu
, int code
, void *addr
)
2029 int kvm_arch_on_sigbus(int code
, void *addr
)
2034 void kvm_s390_io_interrupt(uint16_t subchannel_id
,
2035 uint16_t subchannel_nr
, uint32_t io_int_parm
,
2036 uint32_t io_int_word
)
2038 struct kvm_s390_irq irq
= {
2039 .u
.io
.subchannel_id
= subchannel_id
,
2040 .u
.io
.subchannel_nr
= subchannel_nr
,
2041 .u
.io
.io_int_parm
= io_int_parm
,
2042 .u
.io
.io_int_word
= io_int_word
,
2045 if (io_int_word
& IO_INT_WORD_AI
) {
2046 irq
.type
= KVM_S390_INT_IO(1, 0, 0, 0);
2048 irq
.type
= ((subchannel_id
& 0xff00) << 24) |
2049 ((subchannel_id
& 0x00060) << 22) | (subchannel_nr
<< 16);
2051 kvm_s390_floating_interrupt(&irq
);
2054 void kvm_s390_crw_mchk(void)
2056 struct kvm_s390_irq irq
= {
2057 .type
= KVM_S390_MCHK
,
2058 .u
.mchk
.cr14
= 1 << 28,
2059 .u
.mchk
.mcic
= 0x00400f1d40330000ULL
,
2061 kvm_s390_floating_interrupt(&irq
);
2064 void kvm_s390_enable_css_support(S390CPU
*cpu
)
2068 /* Activate host kernel channel subsystem support. */
2069 r
= kvm_vcpu_enable_cap(CPU(cpu
), KVM_CAP_S390_CSS_SUPPORT
, 0);
2073 void kvm_arch_init_irq_routing(KVMState
*s
)
2076 * Note that while irqchip capabilities generally imply that cpustates
2077 * are handled in-kernel, it is not true for s390 (yet); therefore, we
2078 * have to override the common code kvm_halt_in_kernel_allowed setting.
2080 if (kvm_check_extension(s
, KVM_CAP_IRQ_ROUTING
)) {
2081 kvm_gsi_routing_allowed
= true;
2082 kvm_halt_in_kernel_allowed
= false;
2086 int kvm_s390_assign_subch_ioeventfd(EventNotifier
*notifier
, uint32_t sch
,
2087 int vq
, bool assign
)
2089 struct kvm_ioeventfd kick
= {
2090 .flags
= KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY
|
2091 KVM_IOEVENTFD_FLAG_DATAMATCH
,
2092 .fd
= event_notifier_get_fd(notifier
),
2097 if (!kvm_check_extension(kvm_state
, KVM_CAP_IOEVENTFD
)) {
2101 kick
.flags
|= KVM_IOEVENTFD_FLAG_DEASSIGN
;
2103 return kvm_vm_ioctl(kvm_state
, KVM_IOEVENTFD
, &kick
);
2106 int kvm_s390_get_memslot_count(KVMState
*s
)
2108 return kvm_check_extension(s
, KVM_CAP_NR_MEMSLOTS
);
2111 int kvm_s390_set_cpu_state(S390CPU
*cpu
, uint8_t cpu_state
)
2113 struct kvm_mp_state mp_state
= {};
2116 /* the kvm part might not have been initialized yet */
2117 if (CPU(cpu
)->kvm_state
== NULL
) {
2121 switch (cpu_state
) {
2122 case CPU_STATE_STOPPED
:
2123 mp_state
.mp_state
= KVM_MP_STATE_STOPPED
;
2125 case CPU_STATE_CHECK_STOP
:
2126 mp_state
.mp_state
= KVM_MP_STATE_CHECK_STOP
;
2128 case CPU_STATE_OPERATING
:
2129 mp_state
.mp_state
= KVM_MP_STATE_OPERATING
;
2131 case CPU_STATE_LOAD
:
2132 mp_state
.mp_state
= KVM_MP_STATE_LOAD
;
2135 error_report("Requested CPU state is not a valid S390 CPU state: %u",
2140 ret
= kvm_vcpu_ioctl(CPU(cpu
), KVM_SET_MP_STATE
, &mp_state
);
2142 trace_kvm_failed_cpu_state_set(CPU(cpu
)->cpu_index
, cpu_state
,
2149 void kvm_s390_vcpu_interrupt_pre_save(S390CPU
*cpu
)
2151 struct kvm_s390_irq_state irq_state
;
2152 CPUState
*cs
= CPU(cpu
);
2155 if (!kvm_check_extension(kvm_state
, KVM_CAP_S390_IRQ_STATE
)) {
2159 irq_state
.buf
= (uint64_t) cpu
->irqstate
;
2160 irq_state
.len
= VCPU_IRQ_BUF_SIZE
;
2162 bytes
= kvm_vcpu_ioctl(cs
, KVM_S390_GET_IRQ_STATE
, &irq_state
);
2164 cpu
->irqstate_saved_size
= 0;
2165 error_report("Migration of interrupt state failed");
2169 cpu
->irqstate_saved_size
= bytes
;
2172 int kvm_s390_vcpu_interrupt_post_load(S390CPU
*cpu
)
2174 CPUState
*cs
= CPU(cpu
);
2175 struct kvm_s390_irq_state irq_state
;
2178 if (cpu
->irqstate_saved_size
== 0) {
2182 if (!kvm_check_extension(kvm_state
, KVM_CAP_S390_IRQ_STATE
)) {
2186 irq_state
.buf
= (uint64_t) cpu
->irqstate
;
2187 irq_state
.len
= cpu
->irqstate_saved_size
;
2189 r
= kvm_vcpu_ioctl(cs
, KVM_S390_SET_IRQ_STATE
, &irq_state
);
2191 error_report("Setting interrupt state failed %d", r
);
2196 int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry
*route
,
2197 uint64_t address
, uint32_t data
)
2199 S390PCIBusDevice
*pbdev
;
2200 uint32_t fid
= data
>> ZPCI_MSI_VEC_BITS
;
2201 uint32_t vec
= data
& ZPCI_MSI_VEC_MASK
;
2203 pbdev
= s390_pci_find_dev_by_fid(fid
);
2205 DPRINTF("add_msi_route no dev\n");
2209 pbdev
->routes
.adapter
.ind_offset
= vec
;
2211 route
->type
= KVM_IRQ_ROUTING_S390_ADAPTER
;
2213 route
->u
.adapter
.summary_addr
= pbdev
->routes
.adapter
.summary_addr
;
2214 route
->u
.adapter
.ind_addr
= pbdev
->routes
.adapter
.ind_addr
;
2215 route
->u
.adapter
.summary_offset
= pbdev
->routes
.adapter
.summary_offset
;
2216 route
->u
.adapter
.ind_offset
= pbdev
->routes
.adapter
.ind_offset
;
2217 route
->u
.adapter
.adapter_id
= pbdev
->routes
.adapter
.adapter_id
;
2221 int kvm_arch_msi_data_to_gsi(uint32_t data
)