| 1 | /* |
| 2 | * QEMU S390x floating interrupt controller (flic) |
| 3 | * |
| 4 | * Copyright 2014 IBM Corp. |
| 5 | * Author(s): Jens Freimann <jfrei@linux.vnet.ibm.com> |
| 6 | * Cornelia Huck <cornelia.huck@de.ibm.com> |
| 7 | * |
| 8 | * This work is licensed under the terms of the GNU GPL, version 2 or (at |
| 9 | * your option) any later version. See the COPYING file in the top-level |
| 10 | * directory. |
| 11 | */ |
| 12 | |
| 13 | #include "qemu/osdep.h" |
| 14 | #include "qemu/error-report.h" |
| 15 | #include "qemu/main-loop.h" |
| 16 | #include "qemu/module.h" |
| 17 | #include "hw/core/sysbus.h" |
| 18 | #include "hw/s390x/ioinst.h" |
| 19 | #include "hw/s390x/s390_flic.h" |
| 20 | #include "hw/core/qdev-properties.h" |
| 21 | #include "hw/s390x/css.h" |
| 22 | #include "trace.h" |
| 23 | #include "qapi/error.h" |
| 24 | #include "hw/s390x/s390-virtio-ccw.h" |
| 25 | |
| 26 | S390FLICStateClass *s390_get_flic_class(S390FLICState *fs) |
| 27 | { |
| 28 | static S390FLICStateClass *class; |
| 29 | |
| 30 | if (!class) { |
| 31 | /* we only have one flic device, so this is fine to cache */ |
| 32 | class = S390_FLIC_COMMON_GET_CLASS(fs); |
| 33 | } |
| 34 | return class; |
| 35 | } |
| 36 | |
| 37 | QEMUS390FLICState *s390_get_qemu_flic(S390FLICState *fs) |
| 38 | { |
| 39 | static QEMUS390FLICState *flic; |
| 40 | |
| 41 | if (!flic) { |
| 42 | /* we only have one flic device, so this is fine to cache */ |
| 43 | flic = QEMU_S390_FLIC(fs); |
| 44 | } |
| 45 | return flic; |
| 46 | } |
| 47 | |
| 48 | S390FLICState *s390_get_flic(void) |
| 49 | { |
| 50 | static S390FLICState *fs; |
| 51 | |
| 52 | if (!fs) { |
| 53 | fs = S390_FLIC_COMMON(object_resolve_path_type("", |
| 54 | TYPE_S390_FLIC_COMMON, |
| 55 | NULL)); |
| 56 | } |
| 57 | return fs; |
| 58 | } |
| 59 | |
| 60 | void s390_flic_init(void) |
| 61 | { |
| 62 | DeviceState *dev; |
| 63 | |
| 64 | if (kvm_enabled()) { |
| 65 | dev = qdev_new(TYPE_KVM_S390_FLIC); |
| 66 | object_property_add_child(qdev_get_machine(), TYPE_KVM_S390_FLIC, |
| 67 | OBJECT(dev)); |
| 68 | } else { |
| 69 | dev = qdev_new(TYPE_QEMU_S390_FLIC); |
| 70 | object_property_add_child(qdev_get_machine(), TYPE_QEMU_S390_FLIC, |
| 71 | OBJECT(dev)); |
| 72 | } |
| 73 | sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
| 74 | } |
| 75 | |
| 76 | static int qemu_s390_register_io_adapter(S390FLICState *fs, uint32_t id, |
| 77 | uint8_t isc, bool swap, |
| 78 | bool is_maskable, uint8_t flags) |
| 79 | { |
| 80 | /* nothing to do */ |
| 81 | return 0; |
| 82 | } |
| 83 | |
| 84 | static int qemu_s390_io_adapter_map(S390FLICState *fs, uint32_t id, |
| 85 | uint64_t map_addr, bool do_map) |
| 86 | { |
| 87 | /* nothing to do */ |
| 88 | return 0; |
| 89 | } |
| 90 | |
| 91 | static int qemu_s390_add_adapter_routes(S390FLICState *fs, |
| 92 | AdapterRoutes *routes) |
| 93 | { |
| 94 | return -ENOSYS; |
| 95 | } |
| 96 | |
| 97 | static void qemu_s390_release_adapter_routes(S390FLICState *fs, |
| 98 | AdapterRoutes *routes) |
| 99 | { |
| 100 | } |
| 101 | |
| 102 | static int qemu_s390_clear_io_flic(S390FLICState *fs, uint16_t subchannel_id, |
| 103 | uint16_t subchannel_nr) |
| 104 | { |
| 105 | QEMUS390FLICState *flic = s390_get_qemu_flic(fs); |
| 106 | QEMUS390FlicIO *cur, *next; |
| 107 | uint8_t isc; |
| 108 | |
| 109 | g_assert(bql_locked()); |
| 110 | if (!(flic->pending & FLIC_PENDING_IO)) { |
| 111 | return 0; |
| 112 | } |
| 113 | |
| 114 | /* check all iscs */ |
| 115 | for (isc = 0; isc < 8; isc++) { |
| 116 | if (QLIST_EMPTY(&flic->io[isc])) { |
| 117 | continue; |
| 118 | } |
| 119 | |
| 120 | /* search and delete any matching one */ |
| 121 | QLIST_FOREACH_SAFE(cur, &flic->io[isc], next, next) { |
| 122 | if (cur->id == subchannel_id && cur->nr == subchannel_nr) { |
| 123 | QLIST_REMOVE(cur, next); |
| 124 | g_free(cur); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | /* update our indicator bit */ |
| 129 | if (QLIST_EMPTY(&flic->io[isc])) { |
| 130 | flic->pending &= ~ISC_TO_PENDING_IO(isc); |
| 131 | } |
| 132 | } |
| 133 | return 0; |
| 134 | } |
| 135 | |
| 136 | static int qemu_s390_modify_ais_mode(S390FLICState *fs, uint8_t isc, |
| 137 | uint16_t mode) |
| 138 | { |
| 139 | QEMUS390FLICState *flic = s390_get_qemu_flic(fs); |
| 140 | |
| 141 | switch (mode) { |
| 142 | case SIC_IRQ_MODE_ALL: |
| 143 | flic->simm &= ~AIS_MODE_MASK(isc); |
| 144 | flic->nimm &= ~AIS_MODE_MASK(isc); |
| 145 | break; |
| 146 | case SIC_IRQ_MODE_SINGLE: |
| 147 | flic->simm |= AIS_MODE_MASK(isc); |
| 148 | flic->nimm &= ~AIS_MODE_MASK(isc); |
| 149 | break; |
| 150 | default: |
| 151 | return -EINVAL; |
| 152 | } |
| 153 | |
| 154 | return 0; |
| 155 | } |
| 156 | |
| 157 | static int qemu_s390_inject_airq(S390FLICState *fs, uint8_t type, |
| 158 | uint8_t isc, uint8_t flags) |
| 159 | { |
| 160 | QEMUS390FLICState *flic = s390_get_qemu_flic(fs); |
| 161 | S390FLICStateClass *fsc = s390_get_flic_class(fs); |
| 162 | bool flag = flags & S390_ADAPTER_SUPPRESSIBLE; |
| 163 | uint32_t io_int_word = (isc << 27) | IO_INT_WORD_AI; |
| 164 | |
| 165 | if (flag && (flic->nimm & AIS_MODE_MASK(isc))) { |
| 166 | trace_qemu_s390_airq_suppressed(type, isc); |
| 167 | return 0; |
| 168 | } |
| 169 | |
| 170 | fsc->inject_io(fs, 0, 0, 0, io_int_word); |
| 171 | |
| 172 | if (flag && (flic->simm & AIS_MODE_MASK(isc))) { |
| 173 | flic->nimm |= AIS_MODE_MASK(isc); |
| 174 | trace_qemu_s390_suppress_airq(isc, "Single-Interruption Mode", |
| 175 | "NO-Interruptions Mode"); |
| 176 | } |
| 177 | |
| 178 | return 0; |
| 179 | } |
| 180 | |
| 181 | static void qemu_s390_flic_notify(uint32_t type) |
| 182 | { |
| 183 | CPUState *cs; |
| 184 | |
| 185 | /* |
| 186 | * We have to make all CPUs see CPU_INTERRUPT_HARD, so they might |
| 187 | * consider it. We will kick all running CPUs and only relevant |
| 188 | * sleeping ones. |
| 189 | */ |
| 190 | CPU_FOREACH(cs) { |
| 191 | S390CPU *cpu = S390_CPU(cs); |
| 192 | |
| 193 | cpu_set_interrupt(cs, CPU_INTERRUPT_HARD); |
| 194 | |
| 195 | /* ignore CPUs that are not sleeping */ |
| 196 | if (s390_cpu_get_state(cpu) != S390_CPU_STATE_OPERATING && |
| 197 | s390_cpu_get_state(cpu) != S390_CPU_STATE_LOAD) { |
| 198 | continue; |
| 199 | } |
| 200 | |
| 201 | /* we always kick running CPUs for now, this is tricky */ |
| 202 | if (cs->halted) { |
| 203 | /* don't check for subclasses, CPUs double check when waking up */ |
| 204 | if (type & FLIC_PENDING_SERVICE) { |
| 205 | if (!(cpu->env.psw.mask & PSW_MASK_EXT)) { |
| 206 | continue; |
| 207 | } |
| 208 | } else if (type & FLIC_PENDING_IO) { |
| 209 | if (!(cpu->env.psw.mask & PSW_MASK_IO)) { |
| 210 | continue; |
| 211 | } |
| 212 | } else if (type & FLIC_PENDING_MCHK_CR) { |
| 213 | if (!(cpu->env.psw.mask & PSW_MASK_MCHECK)) { |
| 214 | continue; |
| 215 | } |
| 216 | } |
| 217 | } |
| 218 | cpu_interrupt(cs, CPU_INTERRUPT_HARD); |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | uint32_t qemu_s390_flic_dequeue_service(QEMUS390FLICState *flic) |
| 223 | { |
| 224 | uint32_t tmp; |
| 225 | |
| 226 | g_assert(bql_locked()); |
| 227 | g_assert(flic->pending & FLIC_PENDING_SERVICE); |
| 228 | tmp = flic->service_param; |
| 229 | flic->service_param = 0; |
| 230 | flic->pending &= ~FLIC_PENDING_SERVICE; |
| 231 | |
| 232 | return tmp; |
| 233 | } |
| 234 | |
| 235 | /* caller has to free the returned object */ |
| 236 | QEMUS390FlicIO *qemu_s390_flic_dequeue_io(QEMUS390FLICState *flic, uint64_t cr6) |
| 237 | { |
| 238 | QEMUS390FlicIO *io; |
| 239 | uint8_t isc; |
| 240 | |
| 241 | g_assert(bql_locked()); |
| 242 | if (!(flic->pending & CR6_TO_PENDING_IO(cr6))) { |
| 243 | return NULL; |
| 244 | } |
| 245 | |
| 246 | for (isc = 0; isc < 8; isc++) { |
| 247 | if (QLIST_EMPTY(&flic->io[isc]) || !(cr6 & ISC_TO_ISC_BITS(isc))) { |
| 248 | continue; |
| 249 | } |
| 250 | io = QLIST_FIRST(&flic->io[isc]); |
| 251 | QLIST_REMOVE(io, next); |
| 252 | |
| 253 | /* update our indicator bit */ |
| 254 | if (QLIST_EMPTY(&flic->io[isc])) { |
| 255 | flic->pending &= ~ISC_TO_PENDING_IO(isc); |
| 256 | } |
| 257 | return io; |
| 258 | } |
| 259 | |
| 260 | return NULL; |
| 261 | } |
| 262 | |
| 263 | void qemu_s390_flic_dequeue_crw_mchk(QEMUS390FLICState *flic) |
| 264 | { |
| 265 | g_assert(bql_locked()); |
| 266 | g_assert(flic->pending & FLIC_PENDING_MCHK_CR); |
| 267 | flic->pending &= ~FLIC_PENDING_MCHK_CR; |
| 268 | } |
| 269 | |
| 270 | static void qemu_s390_inject_service(S390FLICState *fs, uint32_t parm) |
| 271 | { |
| 272 | QEMUS390FLICState *flic = s390_get_qemu_flic(fs); |
| 273 | |
| 274 | g_assert(bql_locked()); |
| 275 | /* multiplexing is good enough for sclp - kvm does it internally as well */ |
| 276 | flic->service_param |= parm; |
| 277 | flic->pending |= FLIC_PENDING_SERVICE; |
| 278 | |
| 279 | qemu_s390_flic_notify(FLIC_PENDING_SERVICE); |
| 280 | } |
| 281 | |
| 282 | static void qemu_s390_inject_io(S390FLICState *fs, uint16_t subchannel_id, |
| 283 | uint16_t subchannel_nr, uint32_t io_int_parm, |
| 284 | uint32_t io_int_word) |
| 285 | { |
| 286 | const uint8_t isc = IO_INT_WORD_ISC(io_int_word); |
| 287 | QEMUS390FLICState *flic = s390_get_qemu_flic(fs); |
| 288 | QEMUS390FlicIO *io; |
| 289 | |
| 290 | g_assert(bql_locked()); |
| 291 | io = g_new0(QEMUS390FlicIO, 1); |
| 292 | io->id = subchannel_id; |
| 293 | io->nr = subchannel_nr; |
| 294 | io->parm = io_int_parm; |
| 295 | io->word = io_int_word; |
| 296 | |
| 297 | QLIST_INSERT_HEAD(&flic->io[isc], io, next); |
| 298 | flic->pending |= ISC_TO_PENDING_IO(isc); |
| 299 | |
| 300 | qemu_s390_flic_notify(ISC_TO_PENDING_IO(isc)); |
| 301 | } |
| 302 | |
| 303 | static void qemu_s390_inject_crw_mchk(S390FLICState *fs) |
| 304 | { |
| 305 | QEMUS390FLICState *flic = s390_get_qemu_flic(fs); |
| 306 | |
| 307 | g_assert(bql_locked()); |
| 308 | flic->pending |= FLIC_PENDING_MCHK_CR; |
| 309 | |
| 310 | qemu_s390_flic_notify(FLIC_PENDING_MCHK_CR); |
| 311 | } |
| 312 | |
| 313 | bool qemu_s390_flic_has_service(QEMUS390FLICState *flic) |
| 314 | { |
| 315 | /* called without lock via cc->has_work, will be validated under lock */ |
| 316 | return !!(flic->pending & FLIC_PENDING_SERVICE); |
| 317 | } |
| 318 | |
| 319 | bool qemu_s390_flic_has_io(QEMUS390FLICState *flic, uint64_t cr6) |
| 320 | { |
| 321 | /* called without lock via cc->has_work, will be validated under lock */ |
| 322 | return !!(flic->pending & CR6_TO_PENDING_IO(cr6)); |
| 323 | } |
| 324 | |
| 325 | bool qemu_s390_flic_has_crw_mchk(QEMUS390FLICState *flic) |
| 326 | { |
| 327 | /* called without lock via cc->has_work, will be validated under lock */ |
| 328 | return !!(flic->pending & FLIC_PENDING_MCHK_CR); |
| 329 | } |
| 330 | |
| 331 | bool qemu_s390_flic_has_any(QEMUS390FLICState *flic) |
| 332 | { |
| 333 | g_assert(bql_locked()); |
| 334 | return !!flic->pending; |
| 335 | } |
| 336 | |
| 337 | static void qemu_s390_flic_reset(DeviceState *dev) |
| 338 | { |
| 339 | QEMUS390FLICState *flic = QEMU_S390_FLIC(dev); |
| 340 | QEMUS390FlicIO *cur, *next; |
| 341 | int isc; |
| 342 | |
| 343 | g_assert(bql_locked()); |
| 344 | flic->simm = 0; |
| 345 | flic->nimm = 0; |
| 346 | flic->pending = 0; |
| 347 | |
| 348 | /* remove all pending io interrupts */ |
| 349 | for (isc = 0; isc < 8; isc++) { |
| 350 | QLIST_FOREACH_SAFE(cur, &flic->io[isc], next, next) { |
| 351 | QLIST_REMOVE(cur, next); |
| 352 | g_free(cur); |
| 353 | } |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | bool ais_needed(void *opaque) |
| 358 | { |
| 359 | S390FLICState *s = opaque; |
| 360 | |
| 361 | return s->ais_supported; |
| 362 | } |
| 363 | |
| 364 | static bool ais_needed_v(void *opaque, int version_id) |
| 365 | { |
| 366 | return ais_needed(opaque); |
| 367 | } |
| 368 | |
| 369 | static bool qemu_s390_flic_full_state_needed(void *opaque) |
| 370 | { |
| 371 | QEMUS390FLICState *s = opaque; |
| 372 | |
| 373 | return s->migrate_all_state; |
| 374 | } |
| 375 | |
| 376 | static bool qemu_s390_flic_state_needed(void *opaque) |
| 377 | { |
| 378 | return ais_needed(opaque) || qemu_s390_flic_full_state_needed(opaque); |
| 379 | } |
| 380 | |
| 381 | static const VMStateDescription vmstate_qemu_s390_flic_io = { |
| 382 | .name = "qemu-s390-flic-io", |
| 383 | .version_id = 1, |
| 384 | .minimum_version_id = 1, |
| 385 | .fields = (const VMStateField[]) { |
| 386 | VMSTATE_UINT16(id, QEMUS390FlicIO), |
| 387 | VMSTATE_UINT16(nr, QEMUS390FlicIO), |
| 388 | VMSTATE_UINT32(parm, QEMUS390FlicIO), |
| 389 | VMSTATE_UINT32(word, QEMUS390FlicIO), |
| 390 | VMSTATE_END_OF_LIST() |
| 391 | }, |
| 392 | }; |
| 393 | |
| 394 | static const VMStateDescription vmstate_qemu_s390_flic_full = { |
| 395 | .name = "qemu-s390-flic-full", |
| 396 | .version_id = 1, |
| 397 | .minimum_version_id = 1, |
| 398 | .needed = qemu_s390_flic_full_state_needed, |
| 399 | .fields = (const VMStateField[]) { |
| 400 | VMSTATE_UINT32(pending, QEMUS390FLICState), |
| 401 | VMSTATE_UINT32(service_param, QEMUS390FLICState), |
| 402 | VMSTATE_QLIST_V(io[0], QEMUS390FLICState, 1, |
| 403 | vmstate_qemu_s390_flic_io, QEMUS390FlicIO, next), |
| 404 | VMSTATE_QLIST_V(io[1], QEMUS390FLICState, 1, |
| 405 | vmstate_qemu_s390_flic_io, QEMUS390FlicIO, next), |
| 406 | VMSTATE_QLIST_V(io[2], QEMUS390FLICState, 1, |
| 407 | vmstate_qemu_s390_flic_io, QEMUS390FlicIO, next), |
| 408 | VMSTATE_QLIST_V(io[3], QEMUS390FLICState, 1, |
| 409 | vmstate_qemu_s390_flic_io, QEMUS390FlicIO, next), |
| 410 | VMSTATE_QLIST_V(io[4], QEMUS390FLICState, 1, |
| 411 | vmstate_qemu_s390_flic_io, QEMUS390FlicIO, next), |
| 412 | VMSTATE_QLIST_V(io[5], QEMUS390FLICState, 1, |
| 413 | vmstate_qemu_s390_flic_io, QEMUS390FlicIO, next), |
| 414 | VMSTATE_QLIST_V(io[6], QEMUS390FLICState, 1, |
| 415 | vmstate_qemu_s390_flic_io, QEMUS390FlicIO, next), |
| 416 | VMSTATE_QLIST_V(io[7], QEMUS390FLICState, 1, |
| 417 | vmstate_qemu_s390_flic_io, QEMUS390FlicIO, next), |
| 418 | VMSTATE_END_OF_LIST() |
| 419 | } |
| 420 | }; |
| 421 | |
| 422 | static const VMStateDescription qemu_s390_flic_vmstate = { |
| 423 | .name = "qemu-s390-flic", |
| 424 | .version_id = 1, |
| 425 | .minimum_version_id = 1, |
| 426 | .needed = qemu_s390_flic_state_needed, |
| 427 | .fields = (const VMStateField[]) { |
| 428 | VMSTATE_UINT8_TEST(simm, QEMUS390FLICState, ais_needed_v), |
| 429 | VMSTATE_UINT8_TEST(nimm, QEMUS390FLICState, ais_needed_v), |
| 430 | VMSTATE_END_OF_LIST() |
| 431 | }, |
| 432 | .subsections = (const VMStateDescription * const []) { |
| 433 | &vmstate_qemu_s390_flic_full, |
| 434 | NULL |
| 435 | } |
| 436 | }; |
| 437 | |
| 438 | static void qemu_s390_flic_instance_init(Object *obj) |
| 439 | { |
| 440 | QEMUS390FLICState *flic = QEMU_S390_FLIC(obj); |
| 441 | int isc; |
| 442 | |
| 443 | for (isc = 0; isc < 8; isc++) { |
| 444 | QLIST_INIT(&flic->io[isc]); |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | static const Property qemu_s390_flic_properties[] = { |
| 449 | DEFINE_PROP_BOOL("migrate-all-state", QEMUS390FLICState, |
| 450 | migrate_all_state, true), |
| 451 | }; |
| 452 | |
| 453 | static void qemu_s390_flic_class_init(ObjectClass *oc, const void *data) |
| 454 | { |
| 455 | DeviceClass *dc = DEVICE_CLASS(oc); |
| 456 | S390FLICStateClass *fsc = S390_FLIC_COMMON_CLASS(oc); |
| 457 | |
| 458 | device_class_set_props(dc, qemu_s390_flic_properties); |
| 459 | device_class_set_legacy_reset(dc, qemu_s390_flic_reset); |
| 460 | dc->vmsd = &qemu_s390_flic_vmstate; |
| 461 | fsc->register_io_adapter = qemu_s390_register_io_adapter; |
| 462 | fsc->io_adapter_map = qemu_s390_io_adapter_map; |
| 463 | fsc->add_adapter_routes = qemu_s390_add_adapter_routes; |
| 464 | fsc->release_adapter_routes = qemu_s390_release_adapter_routes; |
| 465 | fsc->clear_io_irq = qemu_s390_clear_io_flic; |
| 466 | fsc->modify_ais_mode = qemu_s390_modify_ais_mode; |
| 467 | fsc->inject_airq = qemu_s390_inject_airq; |
| 468 | fsc->inject_service = qemu_s390_inject_service; |
| 469 | fsc->inject_io = qemu_s390_inject_io; |
| 470 | fsc->inject_crw_mchk = qemu_s390_inject_crw_mchk; |
| 471 | } |
| 472 | |
| 473 | static void s390_flic_common_realize(DeviceState *dev, Error **errp) |
| 474 | { |
| 475 | S390FLICState *fs = S390_FLIC_COMMON(dev); |
| 476 | |
| 477 | fs->ais_supported = s390_has_feat(S390_FEAT_ADAPTER_INT_SUPPRESSION); |
| 478 | } |
| 479 | |
| 480 | static void s390_flic_class_init(ObjectClass *oc, const void *data) |
| 481 | { |
| 482 | DeviceClass *dc = DEVICE_CLASS(oc); |
| 483 | |
| 484 | dc->realize = s390_flic_common_realize; |
| 485 | } |
| 486 | |
| 487 | static const TypeInfo qemu_s390_flic_info = { |
| 488 | .name = TYPE_QEMU_S390_FLIC, |
| 489 | .parent = TYPE_S390_FLIC_COMMON, |
| 490 | .instance_size = sizeof(QEMUS390FLICState), |
| 491 | .instance_init = qemu_s390_flic_instance_init, |
| 492 | .class_init = qemu_s390_flic_class_init, |
| 493 | }; |
| 494 | |
| 495 | |
| 496 | static const TypeInfo s390_flic_common_info = { |
| 497 | .name = TYPE_S390_FLIC_COMMON, |
| 498 | .parent = TYPE_SYS_BUS_DEVICE, |
| 499 | .instance_size = sizeof(S390FLICState), |
| 500 | .class_init = s390_flic_class_init, |
| 501 | .class_size = sizeof(S390FLICStateClass), |
| 502 | }; |
| 503 | |
| 504 | static void qemu_s390_flic_register_types(void) |
| 505 | { |
| 506 | type_register_static(&s390_flic_common_info); |
| 507 | type_register_static(&qemu_s390_flic_info); |
| 508 | } |
| 509 | |
| 510 | type_init(qemu_s390_flic_register_types) |
| 511 | |
| 512 | const VMStateDescription vmstate_adapter_info_so = { |
| 513 | .name = "s390_adapter_info/summary_offset", |
| 514 | .version_id = 1, |
| 515 | .minimum_version_id = 1, |
| 516 | .fields = (const VMStateField[]) { |
| 517 | VMSTATE_UINT32(summary_offset, AdapterInfo), |
| 518 | VMSTATE_END_OF_LIST() |
| 519 | } |
| 520 | }; |
| 521 | |
| 522 | const VMStateDescription vmstate_adapter_info = { |
| 523 | .name = "s390_adapter_info", |
| 524 | .version_id = 1, |
| 525 | .minimum_version_id = 1, |
| 526 | .fields = (const VMStateField[]) { |
| 527 | VMSTATE_UINT64(ind_offset, AdapterInfo), |
| 528 | /* |
| 529 | * We do not have to migrate neither the id nor the addresses. |
| 530 | * The id is set by css_register_io_adapter and the addresses |
| 531 | * are set based on the IndAddr objects after those get mapped. |
| 532 | */ |
| 533 | VMSTATE_END_OF_LIST() |
| 534 | }, |
| 535 | .subsections = (const VMStateDescription * const []) { |
| 536 | &vmstate_adapter_info_so, |
| 537 | NULL |
| 538 | } |
| 539 | }; |
| 540 | |
| 541 | const VMStateDescription vmstate_adapter_routes = { |
| 542 | |
| 543 | .name = "s390_adapter_routes", |
| 544 | .version_id = 1, |
| 545 | .minimum_version_id = 1, |
| 546 | .fields = (const VMStateField[]) { |
| 547 | VMSTATE_STRUCT(adapter, AdapterRoutes, 1, vmstate_adapter_info, |
| 548 | AdapterInfo), |
| 549 | VMSTATE_END_OF_LIST() |
| 550 | } |
| 551 | }; |