1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27#include "qemu/osdep.h"
28#include "qapi/error.h"
29#include "cpu.h"
30#include "sysemu/sysemu.h"
31#include "hw/qdev.h"
32#include "sysemu/device_tree.h"
33
34#include "hw/ppc/fdt.h"
35#include "hw/ppc/spapr.h"
36#include "hw/ppc/spapr_vio.h"
37#include "hw/pci/pci.h"
38#include "hw/pci-host/spapr.h"
39#include "hw/ppc/spapr_drc.h"
40#include "qemu/help_option.h"
41#include "qemu/bcd.h"
42#include "hw/ppc/spapr_ovec.h"
43#include <libfdt.h>
44
45#define RTAS_LOG_VERSION_MASK 0xff000000
46#define RTAS_LOG_VERSION_6 0x06000000
47#define RTAS_LOG_SEVERITY_MASK 0x00e00000
48#define RTAS_LOG_SEVERITY_ALREADY_REPORTED 0x00c00000
49#define RTAS_LOG_SEVERITY_FATAL 0x00a00000
50#define RTAS_LOG_SEVERITY_ERROR 0x00800000
51#define RTAS_LOG_SEVERITY_ERROR_SYNC 0x00600000
52#define RTAS_LOG_SEVERITY_WARNING 0x00400000
53#define RTAS_LOG_SEVERITY_EVENT 0x00200000
54#define RTAS_LOG_SEVERITY_NO_ERROR 0x00000000
55#define RTAS_LOG_DISPOSITION_MASK 0x00180000
56#define RTAS_LOG_DISPOSITION_FULLY_RECOVERED 0x00000000
57#define RTAS_LOG_DISPOSITION_LIMITED_RECOVERY 0x00080000
58#define RTAS_LOG_DISPOSITION_NOT_RECOVERED 0x00100000
59#define RTAS_LOG_OPTIONAL_PART_PRESENT 0x00040000
60#define RTAS_LOG_INITIATOR_MASK 0x0000f000
61#define RTAS_LOG_INITIATOR_UNKNOWN 0x00000000
62#define RTAS_LOG_INITIATOR_CPU 0x00001000
63#define RTAS_LOG_INITIATOR_PCI 0x00002000
64#define RTAS_LOG_INITIATOR_MEMORY 0x00004000
65#define RTAS_LOG_INITIATOR_HOTPLUG 0x00006000
66#define RTAS_LOG_TARGET_MASK 0x00000f00
67#define RTAS_LOG_TARGET_UNKNOWN 0x00000000
68#define RTAS_LOG_TARGET_CPU 0x00000100
69#define RTAS_LOG_TARGET_PCI 0x00000200
70#define RTAS_LOG_TARGET_MEMORY 0x00000400
71#define RTAS_LOG_TARGET_HOTPLUG 0x00000600
72#define RTAS_LOG_TYPE_MASK 0x000000ff
73#define RTAS_LOG_TYPE_OTHER 0x00000000
74#define RTAS_LOG_TYPE_RETRY 0x00000001
75#define RTAS_LOG_TYPE_TCE_ERR 0x00000002
76#define RTAS_LOG_TYPE_INTERN_DEV_FAIL 0x00000003
77#define RTAS_LOG_TYPE_TIMEOUT 0x00000004
78#define RTAS_LOG_TYPE_DATA_PARITY 0x00000005
79#define RTAS_LOG_TYPE_ADDR_PARITY 0x00000006
80#define RTAS_LOG_TYPE_CACHE_PARITY 0x00000007
81#define RTAS_LOG_TYPE_ADDR_INVALID 0x00000008
82#define RTAS_LOG_TYPE_ECC_UNCORR 0x00000009
83#define RTAS_LOG_TYPE_ECC_CORR 0x0000000a
84#define RTAS_LOG_TYPE_EPOW 0x00000040
85#define RTAS_LOG_TYPE_HOTPLUG 0x000000e5
86
87struct rtas_error_log {
88 uint32_t summary;
89 uint32_t extended_length;
90} QEMU_PACKED;
91
92struct rtas_event_log_v6 {
93 uint8_t b0;
94#define RTAS_LOG_V6_B0_VALID 0x80
95#define RTAS_LOG_V6_B0_UNRECOVERABLE_ERROR 0x40
96#define RTAS_LOG_V6_B0_RECOVERABLE_ERROR 0x20
97#define RTAS_LOG_V6_B0_DEGRADED_OPERATION 0x10
98#define RTAS_LOG_V6_B0_PREDICTIVE_ERROR 0x08
99#define RTAS_LOG_V6_B0_NEW_LOG 0x04
100#define RTAS_LOG_V6_B0_BIGENDIAN 0x02
101 uint8_t _resv1;
102 uint8_t b2;
103#define RTAS_LOG_V6_B2_POWERPC_FORMAT 0x80
104#define RTAS_LOG_V6_B2_LOG_FORMAT_MASK 0x0f
105#define RTAS_LOG_V6_B2_LOG_FORMAT_PLATFORM_EVENT 0x0e
106 uint8_t _resv2[9];
107 uint32_t company;
108#define RTAS_LOG_V6_COMPANY_IBM 0x49424d00
109} QEMU_PACKED;
110
111struct rtas_event_log_v6_section_header {
112 uint16_t section_id;
113 uint16_t section_length;
114 uint8_t section_version;
115 uint8_t section_subtype;
116 uint16_t creator_component_id;
117} QEMU_PACKED;
118
119struct rtas_event_log_v6_maina {
120#define RTAS_LOG_V6_SECTION_ID_MAINA 0x5048
121 struct rtas_event_log_v6_section_header hdr;
122 uint32_t creation_date;
123 uint32_t creation_time;
124 uint8_t _platform1[8];
125 char creator_id;
126 uint8_t _resv1[2];
127 uint8_t section_count;
128 uint8_t _resv2[4];
129 uint8_t _platform2[8];
130 uint32_t plid;
131 uint8_t _platform3[4];
132} QEMU_PACKED;
133
134struct rtas_event_log_v6_mainb {
135#define RTAS_LOG_V6_SECTION_ID_MAINB 0x5548
136 struct rtas_event_log_v6_section_header hdr;
137 uint8_t subsystem_id;
138 uint8_t _platform1;
139 uint8_t event_severity;
140 uint8_t event_subtype;
141 uint8_t _platform2[4];
142 uint8_t _resv1[2];
143 uint16_t action_flags;
144 uint8_t _resv2[4];
145} QEMU_PACKED;
146
147struct rtas_event_log_v6_epow {
148#define RTAS_LOG_V6_SECTION_ID_EPOW 0x4550
149 struct rtas_event_log_v6_section_header hdr;
150 uint8_t sensor_value;
151#define RTAS_LOG_V6_EPOW_ACTION_RESET 0
152#define RTAS_LOG_V6_EPOW_ACTION_WARN_COOLING 1
153#define RTAS_LOG_V6_EPOW_ACTION_WARN_POWER 2
154#define RTAS_LOG_V6_EPOW_ACTION_SYSTEM_SHUTDOWN 3
155#define RTAS_LOG_V6_EPOW_ACTION_SYSTEM_HALT 4
156#define RTAS_LOG_V6_EPOW_ACTION_MAIN_ENCLOSURE 5
157#define RTAS_LOG_V6_EPOW_ACTION_POWER_OFF 7
158 uint8_t event_modifier;
159#define RTAS_LOG_V6_EPOW_MODIFIER_NORMAL 1
160#define RTAS_LOG_V6_EPOW_MODIFIER_ON_UPS 2
161#define RTAS_LOG_V6_EPOW_MODIFIER_CRITICAL 3
162#define RTAS_LOG_V6_EPOW_MODIFIER_TEMPERATURE 4
163 uint8_t extended_modifier;
164#define RTAS_LOG_V6_EPOW_XMODIFIER_SYSTEM_WIDE 0
165#define RTAS_LOG_V6_EPOW_XMODIFIER_PARTITION_SPECIFIC 1
166 uint8_t _resv;
167 uint64_t reason_code;
168} QEMU_PACKED;
169
170struct epow_extended_log {
171 struct rtas_event_log_v6 v6hdr;
172 struct rtas_event_log_v6_maina maina;
173 struct rtas_event_log_v6_mainb mainb;
174 struct rtas_event_log_v6_epow epow;
175} QEMU_PACKED;
176
177union drc_identifier {
178 uint32_t index;
179 uint32_t count;
180 struct {
181 uint32_t count;
182 uint32_t index;
183 } count_indexed;
184 char name[1];
185} QEMU_PACKED;
186
187struct rtas_event_log_v6_hp {
188#define RTAS_LOG_V6_SECTION_ID_HOTPLUG 0x4850
189 struct rtas_event_log_v6_section_header hdr;
190 uint8_t hotplug_type;
191#define RTAS_LOG_V6_HP_TYPE_CPU 1
192#define RTAS_LOG_V6_HP_TYPE_MEMORY 2
193#define RTAS_LOG_V6_HP_TYPE_SLOT 3
194#define RTAS_LOG_V6_HP_TYPE_PHB 4
195#define RTAS_LOG_V6_HP_TYPE_PCI 5
196 uint8_t hotplug_action;
197#define RTAS_LOG_V6_HP_ACTION_ADD 1
198#define RTAS_LOG_V6_HP_ACTION_REMOVE 2
199 uint8_t hotplug_identifier;
200#define RTAS_LOG_V6_HP_ID_DRC_NAME 1
201#define RTAS_LOG_V6_HP_ID_DRC_INDEX 2
202#define RTAS_LOG_V6_HP_ID_DRC_COUNT 3
203#define RTAS_LOG_V6_HP_ID_DRC_COUNT_INDEXED 4
204 uint8_t reserved;
205 union drc_identifier drc_id;
206} QEMU_PACKED;
207
208struct hp_extended_log {
209 struct rtas_event_log_v6 v6hdr;
210 struct rtas_event_log_v6_maina maina;
211 struct rtas_event_log_v6_mainb mainb;
212 struct rtas_event_log_v6_hp hp;
213} QEMU_PACKED;
214
215typedef enum EventClass {
216 EVENT_CLASS_INTERNAL_ERRORS = 0,
217 EVENT_CLASS_EPOW = 1,
218 EVENT_CLASS_RESERVED = 2,
219 EVENT_CLASS_HOT_PLUG = 3,
220 EVENT_CLASS_IO = 4,
221 EVENT_CLASS_MAX
222} EventClassIndex;
223#define EVENT_CLASS_MASK(index) (1 << (31 - index))
224
225static const char * const event_names[EVENT_CLASS_MAX] = {
226 [EVENT_CLASS_INTERNAL_ERRORS] = "internal-errors",
227 [EVENT_CLASS_EPOW] = "epow-events",
228 [EVENT_CLASS_HOT_PLUG] = "hot-plug-events",
229 [EVENT_CLASS_IO] = "ibm,io-events",
230};
231
232struct SpaprEventSource {
233 int irq;
234 uint32_t mask;
235 bool enabled;
236};
237
238static SpaprEventSource *spapr_event_sources_new(void)
239{
240 return g_new0(SpaprEventSource, EVENT_CLASS_MAX);
241}
242
243static void spapr_event_sources_register(SpaprEventSource *event_sources,
244 EventClassIndex index, int irq)
245{
246
247 g_assert(event_sources);
248 g_assert(!event_sources[index].enabled);
249 event_sources[index].irq = irq;
250 event_sources[index].mask = EVENT_CLASS_MASK(index);
251 event_sources[index].enabled = true;
252}
253
254static const SpaprEventSource *
255spapr_event_sources_get_source(SpaprEventSource *event_sources,
256 EventClassIndex index)
257{
258 g_assert(index < EVENT_CLASS_MAX);
259 g_assert(event_sources);
260
261 return &event_sources[index];
262}
263
264void spapr_dt_events(SpaprMachineState *spapr, void *fdt)
265{
266 uint32_t irq_ranges[EVENT_CLASS_MAX * 2];
267 int i, count = 0, event_sources;
268 SpaprEventSource *events = spapr->event_sources;
269
270 g_assert(events);
271
272 _FDT(event_sources = fdt_add_subnode(fdt, 0, "event-sources"));
273
274 for (i = 0, count = 0; i < EVENT_CLASS_MAX; i++) {
275 int node_offset;
276 uint32_t interrupts[2];
277 const SpaprEventSource *source =
278 spapr_event_sources_get_source(events, i);
279 const char *source_name = event_names[i];
280
281 if (!source->enabled) {
282 continue;
283 }
284
285 spapr_dt_irq(interrupts, source->irq, false);
286
287 _FDT(node_offset = fdt_add_subnode(fdt, event_sources, source_name));
288 _FDT(fdt_setprop(fdt, node_offset, "interrupts", interrupts,
289 sizeof(interrupts)));
290
291 irq_ranges[count++] = interrupts[0];
292 irq_ranges[count++] = cpu_to_be32(1);
293 }
294
295 _FDT((fdt_setprop(fdt, event_sources, "interrupt-controller", NULL, 0)));
296 _FDT((fdt_setprop_cell(fdt, event_sources, "#interrupt-cells", 2)));
297 _FDT((fdt_setprop(fdt, event_sources, "interrupt-ranges",
298 irq_ranges, count * sizeof(uint32_t))));
299}
300
301static const SpaprEventSource *
302rtas_event_log_to_source(SpaprMachineState *spapr, int log_type)
303{
304 const SpaprEventSource *source;
305
306 g_assert(spapr->event_sources);
307
308 switch (log_type) {
309 case RTAS_LOG_TYPE_HOTPLUG:
310 source = spapr_event_sources_get_source(spapr->event_sources,
311 EVENT_CLASS_HOT_PLUG);
312 if (spapr_ovec_test(spapr->ov5_cas, OV5_HP_EVT)) {
313 g_assert(source->enabled);
314 break;
315 }
316
317 case RTAS_LOG_TYPE_EPOW:
318 source = spapr_event_sources_get_source(spapr->event_sources,
319 EVENT_CLASS_EPOW);
320 break;
321 default:
322 source = NULL;
323 }
324
325 return source;
326}
327
328static int rtas_event_log_to_irq(SpaprMachineState *spapr, int log_type)
329{
330 const SpaprEventSource *source;
331
332 source = rtas_event_log_to_source(spapr, log_type);
333 g_assert(source);
334 g_assert(source->enabled);
335
336 return source->irq;
337}
338
339static uint32_t spapr_event_log_entry_type(SpaprEventLogEntry *entry)
340{
341 return entry->summary & RTAS_LOG_TYPE_MASK;
342}
343
344static void rtas_event_log_queue(SpaprMachineState *spapr,
345 SpaprEventLogEntry *entry)
346{
347 QTAILQ_INSERT_TAIL(&spapr->pending_events, entry, next);
348}
349
350static SpaprEventLogEntry *rtas_event_log_dequeue(SpaprMachineState *spapr,
351 uint32_t event_mask)
352{
353 SpaprEventLogEntry *entry = NULL;
354
355 QTAILQ_FOREACH(entry, &spapr->pending_events, next) {
356 const SpaprEventSource *source =
357 rtas_event_log_to_source(spapr,
358 spapr_event_log_entry_type(entry));
359
360 if (source->mask & event_mask) {
361 break;
362 }
363 }
364
365 if (entry) {
366 QTAILQ_REMOVE(&spapr->pending_events, entry, next);
367 }
368
369 return entry;
370}
371
372static bool rtas_event_log_contains(uint32_t event_mask)
373{
374 SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
375 SpaprEventLogEntry *entry = NULL;
376
377 QTAILQ_FOREACH(entry, &spapr->pending_events, next) {
378 const SpaprEventSource *source =
379 rtas_event_log_to_source(spapr,
380 spapr_event_log_entry_type(entry));
381
382 if (source->mask & event_mask) {
383 return true;
384 }
385 }
386
387 return false;
388}
389
390static uint32_t next_plid;
391
392static void spapr_init_v6hdr(struct rtas_event_log_v6 *v6hdr)
393{
394 v6hdr->b0 = RTAS_LOG_V6_B0_VALID | RTAS_LOG_V6_B0_NEW_LOG
395 | RTAS_LOG_V6_B0_BIGENDIAN;
396 v6hdr->b2 = RTAS_LOG_V6_B2_POWERPC_FORMAT
397 | RTAS_LOG_V6_B2_LOG_FORMAT_PLATFORM_EVENT;
398 v6hdr->company = cpu_to_be32(RTAS_LOG_V6_COMPANY_IBM);
399}
400
401static void spapr_init_maina(struct rtas_event_log_v6_maina *maina,
402 int section_count)
403{
404 SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
405 struct tm tm;
406 int year;
407
408 maina->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_MAINA);
409 maina->hdr.section_length = cpu_to_be16(sizeof(*maina));
410
411 spapr_rtc_read(&spapr->rtc, &tm, NULL);
412 year = tm.tm_year + 1900;
413 maina->creation_date = cpu_to_be32((to_bcd(year / 100) << 24)
414 | (to_bcd(year % 100) << 16)
415 | (to_bcd(tm.tm_mon + 1) << 8)
416 | to_bcd(tm.tm_mday));
417 maina->creation_time = cpu_to_be32((to_bcd(tm.tm_hour) << 24)
418 | (to_bcd(tm.tm_min) << 16)
419 | (to_bcd(tm.tm_sec) << 8));
420 maina->creator_id = 'H';
421 maina->section_count = section_count;
422 maina->plid = next_plid++;
423}
424
425static void spapr_powerdown_req(Notifier *n, void *opaque)
426{
427 SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
428 SpaprEventLogEntry *entry;
429 struct rtas_event_log_v6 *v6hdr;
430 struct rtas_event_log_v6_maina *maina;
431 struct rtas_event_log_v6_mainb *mainb;
432 struct rtas_event_log_v6_epow *epow;
433 struct epow_extended_log *new_epow;
434
435 entry = g_new(SpaprEventLogEntry, 1);
436 new_epow = g_malloc0(sizeof(*new_epow));
437 entry->extended_log = new_epow;
438
439 v6hdr = &new_epow->v6hdr;
440 maina = &new_epow->maina;
441 mainb = &new_epow->mainb;
442 epow = &new_epow->epow;
443
444 entry->summary = RTAS_LOG_VERSION_6
445 | RTAS_LOG_SEVERITY_EVENT
446 | RTAS_LOG_DISPOSITION_NOT_RECOVERED
447 | RTAS_LOG_OPTIONAL_PART_PRESENT
448 | RTAS_LOG_TYPE_EPOW;
449 entry->extended_length = sizeof(*new_epow);
450
451 spapr_init_v6hdr(v6hdr);
452 spapr_init_maina(maina, 3 );
453
454 mainb->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_MAINB);
455 mainb->hdr.section_length = cpu_to_be16(sizeof(*mainb));
456
457 mainb->subsystem_id = 0xa0;
458 mainb->event_severity = 0x00;
459 mainb->event_subtype = 0xd0;
460
461 epow->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_EPOW);
462 epow->hdr.section_length = cpu_to_be16(sizeof(*epow));
463 epow->hdr.section_version = 2;
464
465 epow->sensor_value = RTAS_LOG_V6_EPOW_ACTION_SYSTEM_SHUTDOWN;
466 epow->event_modifier = RTAS_LOG_V6_EPOW_MODIFIER_NORMAL;
467 epow->extended_modifier = RTAS_LOG_V6_EPOW_XMODIFIER_PARTITION_SPECIFIC;
468
469 rtas_event_log_queue(spapr, entry);
470
471 qemu_irq_pulse(spapr_qirq(spapr,
472 rtas_event_log_to_irq(spapr, RTAS_LOG_TYPE_EPOW)));
473}
474
475static void spapr_hotplug_req_event(uint8_t hp_id, uint8_t hp_action,
476 SpaprDrcType drc_type,
477 union drc_identifier *drc_id)
478{
479 SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
480 SpaprEventLogEntry *entry;
481 struct hp_extended_log *new_hp;
482 struct rtas_event_log_v6 *v6hdr;
483 struct rtas_event_log_v6_maina *maina;
484 struct rtas_event_log_v6_mainb *mainb;
485 struct rtas_event_log_v6_hp *hp;
486
487 entry = g_new(SpaprEventLogEntry, 1);
488 new_hp = g_malloc0(sizeof(struct hp_extended_log));
489 entry->extended_log = new_hp;
490
491 v6hdr = &new_hp->v6hdr;
492 maina = &new_hp->maina;
493 mainb = &new_hp->mainb;
494 hp = &new_hp->hp;
495
496 entry->summary = RTAS_LOG_VERSION_6
497 | RTAS_LOG_SEVERITY_EVENT
498 | RTAS_LOG_DISPOSITION_NOT_RECOVERED
499 | RTAS_LOG_OPTIONAL_PART_PRESENT
500 | RTAS_LOG_INITIATOR_HOTPLUG
501 | RTAS_LOG_TYPE_HOTPLUG;
502 entry->extended_length = sizeof(*new_hp);
503
504 spapr_init_v6hdr(v6hdr);
505 spapr_init_maina(maina, 3 );
506
507 mainb->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_MAINB);
508 mainb->hdr.section_length = cpu_to_be16(sizeof(*mainb));
509 mainb->subsystem_id = 0x80;
510 mainb->event_severity = 0x00;
511 mainb->event_subtype = 0x00;
512
513 hp->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_HOTPLUG);
514 hp->hdr.section_length = cpu_to_be16(sizeof(*hp));
515 hp->hdr.section_version = 1;
516 hp->hotplug_action = hp_action;
517 hp->hotplug_identifier = hp_id;
518
519 switch (drc_type) {
520 case SPAPR_DR_CONNECTOR_TYPE_PCI:
521 hp->hotplug_type = RTAS_LOG_V6_HP_TYPE_PCI;
522 break;
523 case SPAPR_DR_CONNECTOR_TYPE_LMB:
524 hp->hotplug_type = RTAS_LOG_V6_HP_TYPE_MEMORY;
525 break;
526 case SPAPR_DR_CONNECTOR_TYPE_CPU:
527 hp->hotplug_type = RTAS_LOG_V6_HP_TYPE_CPU;
528 break;
529 case SPAPR_DR_CONNECTOR_TYPE_PHB:
530 hp->hotplug_type = RTAS_LOG_V6_HP_TYPE_PHB;
531 break;
532 default:
533
534
535
536 g_assert(false);
537 return;
538 }
539
540 if (hp_id == RTAS_LOG_V6_HP_ID_DRC_COUNT) {
541 hp->drc_id.count = cpu_to_be32(drc_id->count);
542 } else if (hp_id == RTAS_LOG_V6_HP_ID_DRC_INDEX) {
543 hp->drc_id.index = cpu_to_be32(drc_id->index);
544 } else if (hp_id == RTAS_LOG_V6_HP_ID_DRC_COUNT_INDEXED) {
545
546
547
548 g_assert(spapr_ovec_test(spapr->ov5_cas, OV5_HP_EVT));
549 hp->drc_id.count_indexed.count =
550 cpu_to_be32(drc_id->count_indexed.count);
551 hp->drc_id.count_indexed.index =
552 cpu_to_be32(drc_id->count_indexed.index);
553 }
554
555 rtas_event_log_queue(spapr, entry);
556
557 qemu_irq_pulse(spapr_qirq(spapr,
558 rtas_event_log_to_irq(spapr, RTAS_LOG_TYPE_HOTPLUG)));
559}
560
561void spapr_hotplug_req_add_by_index(SpaprDrc *drc)
562{
563 SpaprDrcType drc_type = spapr_drc_type(drc);
564 union drc_identifier drc_id;
565
566 drc_id.index = spapr_drc_index(drc);
567 spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_INDEX,
568 RTAS_LOG_V6_HP_ACTION_ADD, drc_type, &drc_id);
569}
570
571void spapr_hotplug_req_remove_by_index(SpaprDrc *drc)
572{
573 SpaprDrcType drc_type = spapr_drc_type(drc);
574 union drc_identifier drc_id;
575
576 drc_id.index = spapr_drc_index(drc);
577 spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_INDEX,
578 RTAS_LOG_V6_HP_ACTION_REMOVE, drc_type, &drc_id);
579}
580
581void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
582 uint32_t count)
583{
584 union drc_identifier drc_id;
585
586 drc_id.count = count;
587 spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_COUNT,
588 RTAS_LOG_V6_HP_ACTION_ADD, drc_type, &drc_id);
589}
590
591void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
592 uint32_t count)
593{
594 union drc_identifier drc_id;
595
596 drc_id.count = count;
597 spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_COUNT,
598 RTAS_LOG_V6_HP_ACTION_REMOVE, drc_type, &drc_id);
599}
600
601void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
602 uint32_t count, uint32_t index)
603{
604 union drc_identifier drc_id;
605
606 drc_id.count_indexed.count = count;
607 drc_id.count_indexed.index = index;
608 spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_COUNT_INDEXED,
609 RTAS_LOG_V6_HP_ACTION_ADD, drc_type, &drc_id);
610}
611
612void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
613 uint32_t count, uint32_t index)
614{
615 union drc_identifier drc_id;
616
617 drc_id.count_indexed.count = count;
618 drc_id.count_indexed.index = index;
619 spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_COUNT_INDEXED,
620 RTAS_LOG_V6_HP_ACTION_REMOVE, drc_type, &drc_id);
621}
622
623static void check_exception(PowerPCCPU *cpu, SpaprMachineState *spapr,
624 uint32_t token, uint32_t nargs,
625 target_ulong args,
626 uint32_t nret, target_ulong rets)
627{
628 uint32_t mask, buf, len, event_len;
629 uint64_t xinfo;
630 SpaprEventLogEntry *event;
631 struct rtas_error_log header;
632 int i;
633
634 if ((nargs < 6) || (nargs > 7) || nret != 1) {
635 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
636 return;
637 }
638
639 xinfo = rtas_ld(args, 1);
640 mask = rtas_ld(args, 2);
641 buf = rtas_ld(args, 4);
642 len = rtas_ld(args, 5);
643 if (nargs == 7) {
644 xinfo |= (uint64_t)rtas_ld(args, 6) << 32;
645 }
646
647 event = rtas_event_log_dequeue(spapr, mask);
648 if (!event) {
649 goto out_no_events;
650 }
651
652 event_len = event->extended_length + sizeof(header);
653
654 if (event_len < len) {
655 len = event_len;
656 }
657
658 header.summary = cpu_to_be32(event->summary);
659 header.extended_length = cpu_to_be32(event->extended_length);
660 cpu_physical_memory_write(buf, &header, sizeof(header));
661 cpu_physical_memory_write(buf + sizeof(header), event->extended_log,
662 event->extended_length);
663 rtas_st(rets, 0, RTAS_OUT_SUCCESS);
664 g_free(event->extended_log);
665 g_free(event);
666
667
668
669
670
671
672 for (i = 0; i < EVENT_CLASS_MAX; i++) {
673 if (rtas_event_log_contains(EVENT_CLASS_MASK(i))) {
674 const SpaprEventSource *source =
675 spapr_event_sources_get_source(spapr->event_sources, i);
676
677 g_assert(source->enabled);
678 qemu_irq_pulse(spapr_qirq(spapr, source->irq));
679 }
680 }
681
682 return;
683
684out_no_events:
685 rtas_st(rets, 0, RTAS_OUT_NO_ERRORS_FOUND);
686}
687
688static void event_scan(PowerPCCPU *cpu, SpaprMachineState *spapr,
689 uint32_t token, uint32_t nargs,
690 target_ulong args,
691 uint32_t nret, target_ulong rets)
692{
693 if (nargs != 4 || nret != 1) {
694 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
695 return;
696 }
697 rtas_st(rets, 0, RTAS_OUT_NO_ERRORS_FOUND);
698}
699
700void spapr_clear_pending_events(SpaprMachineState *spapr)
701{
702 SpaprEventLogEntry *entry = NULL, *next_entry;
703
704 QTAILQ_FOREACH_SAFE(entry, &spapr->pending_events, next, next_entry) {
705 QTAILQ_REMOVE(&spapr->pending_events, entry, next);
706 g_free(entry->extended_log);
707 g_free(entry);
708 }
709}
710
711void spapr_events_init(SpaprMachineState *spapr)
712{
713 int epow_irq = SPAPR_IRQ_EPOW;
714
715 if (SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) {
716 epow_irq = spapr_irq_findone(spapr, &error_fatal);
717 }
718
719 spapr_irq_claim(spapr, epow_irq, false, &error_fatal);
720
721 QTAILQ_INIT(&spapr->pending_events);
722
723 spapr->event_sources = spapr_event_sources_new();
724
725 spapr_event_sources_register(spapr->event_sources, EVENT_CLASS_EPOW,
726 epow_irq);
727
728
729
730
731
732
733
734
735
736 if (spapr->use_hotplug_event_source) {
737 int hp_irq = SPAPR_IRQ_HOTPLUG;
738
739 if (SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) {
740 hp_irq = spapr_irq_findone(spapr, &error_fatal);
741 }
742
743 spapr_irq_claim(spapr, hp_irq, false, &error_fatal);
744
745 spapr_event_sources_register(spapr->event_sources, EVENT_CLASS_HOT_PLUG,
746 hp_irq);
747 }
748
749 spapr->epow_notifier.notify = spapr_powerdown_req;
750 qemu_register_powerdown_notifier(&spapr->epow_notifier);
751 spapr_rtas_register(RTAS_CHECK_EXCEPTION, "check-exception",
752 check_exception);
753 spapr_rtas_register(RTAS_EVENT_SCAN, "event-scan", event_scan);
754}
755
