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include/qemu/osdep.h: Don't include qapi/error.h
[qemu.git] / hw / ppc / spapr_events.c
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74d042e5
DG		 1/*
2 * QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator
3 *
4 * RTAS events handling
5 *
6 * Copyright (c) 2012 David Gibson, IBM Corporation.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 * THE SOFTWARE.
25 *
26 */
0d75590d 27#include "qemu/osdep.h"
da34e65c 28#include "qapi/error.h"
74d042e5 29#include "cpu.h"
9c17d615 30#include "sysemu/sysemu.h"
dccfcd0e 31#include "sysemu/char.h"
74d042e5 32#include "hw/qdev.h"
9c17d615 33#include "sysemu/device_tree.h"
74d042e5 34
0d09e41a
PB		 35#include "hw/ppc/spapr.h"
36#include "hw/ppc/spapr_vio.h"
31fe14d1
NF		 37#include "hw/pci/pci.h"
38#include "hw/pci-host/spapr.h"
39#include "hw/ppc/spapr_drc.h"
74d042e5
DG		 40
41#include <libfdt.h>
42
43struct rtas_error_log {
44 uint32_t summary;
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
31fe14d1 85#define RTAS_LOG_TYPE_HOTPLUG 0x000000e5
74d042e5
DG		 86 uint32_t extended_length;
87} QEMU_PACKED;
88
89struct rtas_event_log_v6 {
90 uint8_t b0;
91#define RTAS_LOG_V6_B0_VALID 0x80
92#define RTAS_LOG_V6_B0_UNRECOVERABLE_ERROR 0x40
93#define RTAS_LOG_V6_B0_RECOVERABLE_ERROR 0x20
94#define RTAS_LOG_V6_B0_DEGRADED_OPERATION 0x10
95#define RTAS_LOG_V6_B0_PREDICTIVE_ERROR 0x08
96#define RTAS_LOG_V6_B0_NEW_LOG 0x04
97#define RTAS_LOG_V6_B0_BIGENDIAN 0x02
98 uint8_t _resv1;
99 uint8_t b2;
100#define RTAS_LOG_V6_B2_POWERPC_FORMAT 0x80
101#define RTAS_LOG_V6_B2_LOG_FORMAT_MASK 0x0f
102#define RTAS_LOG_V6_B2_LOG_FORMAT_PLATFORM_EVENT 0x0e
103 uint8_t _resv2[9];
104 uint32_t company;
105#define RTAS_LOG_V6_COMPANY_IBM 0x49424d00 /* IBM<null> */
106} QEMU_PACKED;
107
108struct rtas_event_log_v6_section_header {
109 uint16_t section_id;
110 uint16_t section_length;
111 uint8_t section_version;
112 uint8_t section_subtype;
113 uint16_t creator_component_id;
114} QEMU_PACKED;
115
116struct rtas_event_log_v6_maina {
117#define RTAS_LOG_V6_SECTION_ID_MAINA 0x5048 /* PH */
118 struct rtas_event_log_v6_section_header hdr;
119 uint32_t creation_date; /* BCD: YYYYMMDD */
120 uint32_t creation_time; /* BCD: HHMMSS00 */
121 uint8_t _platform1[8];
122 char creator_id;
123 uint8_t _resv1[2];
124 uint8_t section_count;
125 uint8_t _resv2[4];
126 uint8_t _platform2[8];
127 uint32_t plid;
128 uint8_t _platform3[4];
129} QEMU_PACKED;
130
131struct rtas_event_log_v6_mainb {
132#define RTAS_LOG_V6_SECTION_ID_MAINB 0x5548 /* UH */
133 struct rtas_event_log_v6_section_header hdr;
134 uint8_t subsystem_id;
135 uint8_t _platform1;
136 uint8_t event_severity;
137 uint8_t event_subtype;
138 uint8_t _platform2[4];
139 uint8_t _resv1[2];
140 uint16_t action_flags;
141 uint8_t _resv2[4];
142} QEMU_PACKED;
143
144struct rtas_event_log_v6_epow {
145#define RTAS_LOG_V6_SECTION_ID_EPOW 0x4550 /* EP */
146 struct rtas_event_log_v6_section_header hdr;
147 uint8_t sensor_value;
148#define RTAS_LOG_V6_EPOW_ACTION_RESET 0
149#define RTAS_LOG_V6_EPOW_ACTION_WARN_COOLING 1
150#define RTAS_LOG_V6_EPOW_ACTION_WARN_POWER 2
151#define RTAS_LOG_V6_EPOW_ACTION_SYSTEM_SHUTDOWN 3
152#define RTAS_LOG_V6_EPOW_ACTION_SYSTEM_HALT 4
153#define RTAS_LOG_V6_EPOW_ACTION_MAIN_ENCLOSURE 5
154#define RTAS_LOG_V6_EPOW_ACTION_POWER_OFF 7
155 uint8_t event_modifier;
156#define RTAS_LOG_V6_EPOW_MODIFIER_NORMAL 1
157#define RTAS_LOG_V6_EPOW_MODIFIER_ON_UPS 2
158#define RTAS_LOG_V6_EPOW_MODIFIER_CRITICAL 3
159#define RTAS_LOG_V6_EPOW_MODIFIER_TEMPERATURE 4
160 uint8_t extended_modifier;
161#define RTAS_LOG_V6_EPOW_XMODIFIER_SYSTEM_WIDE 0
162#define RTAS_LOG_V6_EPOW_XMODIFIER_PARTITION_SPECIFIC 1
163 uint8_t _resv;
164 uint64_t reason_code;
165} QEMU_PACKED;
166
167struct epow_log_full {
168 struct rtas_error_log hdr;
169 struct rtas_event_log_v6 v6hdr;
170 struct rtas_event_log_v6_maina maina;
171 struct rtas_event_log_v6_mainb mainb;
172 struct rtas_event_log_v6_epow epow;
173} QEMU_PACKED;
174
31fe14d1
NF		 175struct rtas_event_log_v6_hp {
176#define RTAS_LOG_V6_SECTION_ID_HOTPLUG 0x4850 /* HP */
177 struct rtas_event_log_v6_section_header hdr;
178 uint8_t hotplug_type;
179#define RTAS_LOG_V6_HP_TYPE_CPU 1
180#define RTAS_LOG_V6_HP_TYPE_MEMORY 2
181#define RTAS_LOG_V6_HP_TYPE_SLOT 3
182#define RTAS_LOG_V6_HP_TYPE_PHB 4
183#define RTAS_LOG_V6_HP_TYPE_PCI 5
184 uint8_t hotplug_action;
185#define RTAS_LOG_V6_HP_ACTION_ADD 1
186#define RTAS_LOG_V6_HP_ACTION_REMOVE 2
187 uint8_t hotplug_identifier;
188#define RTAS_LOG_V6_HP_ID_DRC_NAME 1
189#define RTAS_LOG_V6_HP_ID_DRC_INDEX 2
190#define RTAS_LOG_V6_HP_ID_DRC_COUNT 3
191 uint8_t reserved;
192 union {
193 uint32_t index;
194 uint32_t count;
195 char name[1];
196 } drc;
197} QEMU_PACKED;
198
199struct hp_log_full {
200 struct rtas_error_log hdr;
201 struct rtas_event_log_v6 v6hdr;
202 struct rtas_event_log_v6_maina maina;
203 struct rtas_event_log_v6_mainb mainb;
204 struct rtas_event_log_v6_hp hp;
205} QEMU_PACKED;
206
74d042e5
DG		 207#define EVENT_MASK_INTERNAL_ERRORS 0x80000000
208#define EVENT_MASK_EPOW 0x40000000
209#define EVENT_MASK_HOTPLUG 0x10000000
210#define EVENT_MASK_IO 0x08000000
211
212#define _FDT(exp) \
213 do { \
214 int ret = (exp); \
215 if (ret < 0) { \
216 fprintf(stderr, "qemu: error creating device tree: %s: %s\n", \
217 #exp, fdt_strerror(ret)); \
218 exit(1); \
219 } \
220 } while (0)
221
31fe14d1 222void spapr_events_fdt_skel(void *fdt, uint32_t check_exception_irq)
74d042e5 223{
31fe14d1
NF		 224 uint32_t irq_ranges[] = {cpu_to_be32(check_exception_irq), cpu_to_be32(1)};
225 uint32_t interrupts[] = {cpu_to_be32(check_exception_irq), 0};
74d042e5
DG		 226
227 _FDT((fdt_begin_node(fdt, "event-sources")));
228
229 _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0)));
230 _FDT((fdt_property_cell(fdt, "#interrupt-cells", 2)));
231 _FDT((fdt_property(fdt, "interrupt-ranges",
31fe14d1 232 irq_ranges, sizeof(irq_ranges))));
74d042e5
DG		 233
234 _FDT((fdt_begin_node(fdt, "epow-events")));
31fe14d1 235 _FDT((fdt_property(fdt, "interrupts", interrupts, sizeof(interrupts))));
74d042e5
DG		 236 _FDT((fdt_end_node(fdt)));
237
238 _FDT((fdt_end_node(fdt)));
239}
240
79853e18 241static void rtas_event_log_queue(int log_type, void *data, bool exception)
31fe14d1 242{
28e02042 243 sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
31fe14d1 244 sPAPREventLogEntry *entry = g_new(sPAPREventLogEntry, 1);
74d042e5 245
31fe14d1
NF		 246 g_assert(data);
247 entry->log_type = log_type;
79853e18 248 entry->exception = exception;
31fe14d1
NF		 249 entry->data = data;
250 QTAILQ_INSERT_TAIL(&spapr->pending_events, entry, next);
251}
252
79853e18
TD		 253static sPAPREventLogEntry *rtas_event_log_dequeue(uint32_t event_mask,
254 bool exception)
74d042e5 255{
28e02042 256 sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
31fe14d1 257 sPAPREventLogEntry *entry = NULL;
74d042e5 258
31fe14d1
NF		 259 /* we only queue EPOW events atm. */
260 if ((event_mask & EVENT_MASK_EPOW) == 0) {
261 return NULL;
74d042e5 262 }
74d042e5 263
31fe14d1 264 QTAILQ_FOREACH(entry, &spapr->pending_events, next) {
79853e18
TD		 265 if (entry->exception != exception) {
266 continue;
267 }
268
31fe14d1
NF		 269 /* EPOW and hotplug events are surfaced in the same manner */
270 if (entry->log_type == RTAS_LOG_TYPE_EPOW ||
271 entry->log_type == RTAS_LOG_TYPE_HOTPLUG) {
272 break;
273 }
274 }
275
276 if (entry) {
277 QTAILQ_REMOVE(&spapr->pending_events, entry, next);
278 }
279
280 return entry;
281}
282
79853e18 283static bool rtas_event_log_contains(uint32_t event_mask, bool exception)
31fe14d1 284{
28e02042 285 sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
31fe14d1
NF		 286 sPAPREventLogEntry *entry = NULL;
287
288 /* we only queue EPOW events atm. */
289 if ((event_mask & EVENT_MASK_EPOW) == 0) {
290 return false;
291 }
292
293 QTAILQ_FOREACH(entry, &spapr->pending_events, next) {
79853e18
TD		 294 if (entry->exception != exception) {
295 continue;
296 }
297
31fe14d1
NF		 298 /* EPOW and hotplug events are surfaced in the same manner */
299 if (entry->log_type == RTAS_LOG_TYPE_EPOW ||
300 entry->log_type == RTAS_LOG_TYPE_HOTPLUG) {
301 return true;
302 }
303 }
304
305 return false;
306}
74d042e5 307
31fe14d1
NF		 308static uint32_t next_plid;
309
310static void spapr_init_v6hdr(struct rtas_event_log_v6 *v6hdr)
311{
74d042e5
DG		 312 v6hdr->b0 = RTAS_LOG_V6_B0_VALID | RTAS_LOG_V6_B0_NEW_LOG
313 | RTAS_LOG_V6_B0_BIGENDIAN;
314 v6hdr->b2 = RTAS_LOG_V6_B2_POWERPC_FORMAT
315 | RTAS_LOG_V6_B2_LOG_FORMAT_PLATFORM_EVENT;
316 v6hdr->company = cpu_to_be32(RTAS_LOG_V6_COMPANY_IBM);
31fe14d1
NF		 317}
318
319static void spapr_init_maina(struct rtas_event_log_v6_maina *maina,
320 int section_count)
321{
28e02042 322 sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
31fe14d1
NF		 323 struct tm tm;
324 int year;
74d042e5
DG		 325
326 maina->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_MAINA);
327 maina->hdr.section_length = cpu_to_be16(sizeof(*maina));
328 /* FIXME: section version, subtype and creator id? */
28df36a1 329 spapr_rtc_read(spapr->rtc, &tm, NULL);
74d042e5
DG		 330 year = tm.tm_year + 1900;
331 maina->creation_date = cpu_to_be32((to_bcd(year / 100) << 24)
332 | (to_bcd(year % 100) << 16)
333 | (to_bcd(tm.tm_mon + 1) << 8)
334 | to_bcd(tm.tm_mday));
335 maina->creation_time = cpu_to_be32((to_bcd(tm.tm_hour) << 24)
336 | (to_bcd(tm.tm_min) << 16)
337 | (to_bcd(tm.tm_sec) << 8));
338 maina->creator_id = 'H'; /* Hypervisor */
31fe14d1 339 maina->section_count = section_count;
74d042e5 340 maina->plid = next_plid++;
31fe14d1
NF		 341}
342
343static void spapr_powerdown_req(Notifier *n, void *opaque)
344{
28e02042 345 sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
31fe14d1
NF		 346 struct rtas_error_log *hdr;
347 struct rtas_event_log_v6 *v6hdr;
348 struct rtas_event_log_v6_maina *maina;
349 struct rtas_event_log_v6_mainb *mainb;
350 struct rtas_event_log_v6_epow *epow;
351 struct epow_log_full *new_epow;
352
353 new_epow = g_malloc0(sizeof(*new_epow));
354 hdr = &new_epow->hdr;
355 v6hdr = &new_epow->v6hdr;
356 maina = &new_epow->maina;
357 mainb = &new_epow->mainb;
358 epow = &new_epow->epow;
359
360 hdr->summary = cpu_to_be32(RTAS_LOG_VERSION_6
361 | RTAS_LOG_SEVERITY_EVENT
362 | RTAS_LOG_DISPOSITION_NOT_RECOVERED
363 | RTAS_LOG_OPTIONAL_PART_PRESENT
364 | RTAS_LOG_TYPE_EPOW);
365 hdr->extended_length = cpu_to_be32(sizeof(*new_epow)
366 - sizeof(new_epow->hdr));
367
368 spapr_init_v6hdr(v6hdr);
369 spapr_init_maina(maina, 3 /* Main-A, Main-B and EPOW */);
74d042e5
DG		 370
371 mainb->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_MAINB);
372 mainb->hdr.section_length = cpu_to_be16(sizeof(*mainb));
373 /* FIXME: section version, subtype and creator id? */
374 mainb->subsystem_id = 0xa0; /* External environment */
375 mainb->event_severity = 0x00; /* Informational / non-error */
376 mainb->event_subtype = 0xd0; /* Normal shutdown */
377
378 epow->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_EPOW);
379 epow->hdr.section_length = cpu_to_be16(sizeof(*epow));
380 epow->hdr.section_version = 2; /* includes extended modifier */
381 /* FIXME: section subtype and creator id? */
382 epow->sensor_value = RTAS_LOG_V6_EPOW_ACTION_SYSTEM_SHUTDOWN;
383 epow->event_modifier = RTAS_LOG_V6_EPOW_MODIFIER_NORMAL;
384 epow->extended_modifier = RTAS_LOG_V6_EPOW_XMODIFIER_PARTITION_SPECIFIC;
385
79853e18 386 rtas_event_log_queue(RTAS_LOG_TYPE_EPOW, new_epow, true);
31fe14d1
NF		 387
388 qemu_irq_pulse(xics_get_qirq(spapr->icp, spapr->check_exception_irq));
389}
390
7a36ae7a
BR		 391static void spapr_hotplug_req_event(uint8_t hp_id, uint8_t hp_action,
392 sPAPRDRConnectorType drc_type,
393 uint32_t drc)
31fe14d1 394{
28e02042 395 sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
31fe14d1
NF		 396 struct hp_log_full *new_hp;
397 struct rtas_error_log *hdr;
398 struct rtas_event_log_v6 *v6hdr;
399 struct rtas_event_log_v6_maina *maina;
400 struct rtas_event_log_v6_mainb *mainb;
401 struct rtas_event_log_v6_hp *hp;
31fe14d1
NF		 402
403 new_hp = g_malloc0(sizeof(struct hp_log_full));
404 hdr = &new_hp->hdr;
405 v6hdr = &new_hp->v6hdr;
406 maina = &new_hp->maina;
407 mainb = &new_hp->mainb;
408 hp = &new_hp->hp;
409
410 hdr->summary = cpu_to_be32(RTAS_LOG_VERSION_6
411 | RTAS_LOG_SEVERITY_EVENT
412 | RTAS_LOG_DISPOSITION_NOT_RECOVERED
413 | RTAS_LOG_OPTIONAL_PART_PRESENT
414 | RTAS_LOG_INITIATOR_HOTPLUG
415 | RTAS_LOG_TYPE_HOTPLUG);
416 hdr->extended_length = cpu_to_be32(sizeof(*new_hp)
417 - sizeof(new_hp->hdr));
418
419 spapr_init_v6hdr(v6hdr);
420 spapr_init_maina(maina, 3 /* Main-A, Main-B, HP */);
421
422 mainb->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_MAINB);
423 mainb->hdr.section_length = cpu_to_be16(sizeof(*mainb));
424 mainb->subsystem_id = 0x80; /* External environment */
425 mainb->event_severity = 0x00; /* Informational / non-error */
426 mainb->event_subtype = 0x00; /* Normal shutdown */
427
428 hp->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_HOTPLUG);
429 hp->hdr.section_length = cpu_to_be16(sizeof(*hp));
430 hp->hdr.section_version = 1; /* includes extended modifier */
431 hp->hotplug_action = hp_action;
7a36ae7a 432 hp->hotplug_identifier = hp_id;
31fe14d1
NF		 433
434 switch (drc_type) {
435 case SPAPR_DR_CONNECTOR_TYPE_PCI:
31fe14d1
NF		 436 hp->hotplug_type = RTAS_LOG_V6_HP_TYPE_PCI;
437 break;
c20d332a
BR		 438 case SPAPR_DR_CONNECTOR_TYPE_LMB:
439 hp->hotplug_type = RTAS_LOG_V6_HP_TYPE_MEMORY;
440 break;
31fe14d1
NF		 441 default:
442 /* we shouldn't be signaling hotplug events for resources
443 * that don't support them
444 */
445 g_assert(false);
446 return;
447 }
448
7a36ae7a
BR		 449 if (hp_id == RTAS_LOG_V6_HP_ID_DRC_COUNT) {
450 hp->drc.count = cpu_to_be32(drc);
451 } else if (hp_id == RTAS_LOG_V6_HP_ID_DRC_INDEX) {
452 hp->drc.index = cpu_to_be32(drc);
453 }
454
79853e18 455 rtas_event_log_queue(RTAS_LOG_TYPE_HOTPLUG, new_hp, true);
31fe14d1
NF		 456
457 qemu_irq_pulse(xics_get_qirq(spapr->icp, spapr->check_exception_irq));
458}
459
7a36ae7a
BR		 460void spapr_hotplug_req_add_by_index(sPAPRDRConnector *drc)
461{
462 sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
463 sPAPRDRConnectorType drc_type = drck->get_type(drc);
3a87d009 464 uint32_t index = drck->get_index(drc);
7a36ae7a
BR		 465
466 spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_INDEX,
467 RTAS_LOG_V6_HP_ACTION_ADD, drc_type, index);
468}
469
470void spapr_hotplug_req_remove_by_index(sPAPRDRConnector *drc)
471{
472 sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
473 sPAPRDRConnectorType drc_type = drck->get_type(drc);
3a87d009 474 uint32_t index = drck->get_index(drc);
7a36ae7a
BR		 475
476 spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_INDEX,
477 RTAS_LOG_V6_HP_ACTION_REMOVE, drc_type, index);
478}
479
480void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type,
481 uint32_t count)
31fe14d1 482{
7a36ae7a
BR		 483 spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_COUNT,
484 RTAS_LOG_V6_HP_ACTION_ADD, drc_type, count);
31fe14d1
NF		 485}
486
7a36ae7a
BR		 487void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type,
488 uint32_t count)
31fe14d1 489{
7a36ae7a
BR		 490 spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_COUNT,
491 RTAS_LOG_V6_HP_ACTION_REMOVE, drc_type, count);
74d042e5
DG		 492}
493
28e02042 494static void check_exception(PowerPCCPU *cpu, sPAPRMachineState *spapr,
74d042e5
DG		 495 uint32_t token, uint32_t nargs,
496 target_ulong args,
497 uint32_t nret, target_ulong rets)
498{
31fe14d1 499 uint32_t mask, buf, len, event_len;
74d042e5 500 uint64_t xinfo;
31fe14d1
NF		 501 sPAPREventLogEntry *event;
502 struct rtas_error_log *hdr;
74d042e5
DG		 503
504 if ((nargs < 6) || (nargs > 7) || nret != 1) {
a64d325d 505 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
74d042e5
DG		 506 return;
507 }
508
509 xinfo = rtas_ld(args, 1);
510 mask = rtas_ld(args, 2);
511 buf = rtas_ld(args, 4);
512 len = rtas_ld(args, 5);
513 if (nargs == 7) {
514 xinfo |= (uint64_t)rtas_ld(args, 6) << 32;
515 }
516
79853e18 517 event = rtas_event_log_dequeue(mask, true);
31fe14d1
NF		 518 if (!event) {
519 goto out_no_events;
520 }
74d042e5 521
31fe14d1
NF		 522 hdr = event->data;
523 event_len = be32_to_cpu(hdr->extended_length) + sizeof(*hdr);
524
525 if (event_len < len) {
526 len = event_len;
527 }
528
529 cpu_physical_memory_write(buf, event->data, len);
530 rtas_st(rets, 0, RTAS_OUT_SUCCESS);
531 g_free(event->data);
532 g_free(event);
533
534 /* according to PAPR+, the IRQ must be left asserted, or re-asserted, if
535 * there are still pending events to be fetched via check-exception. We
536 * do the latter here, since our code relies on edge-triggered
537 * interrupts.
538 */
79853e18 539 if (rtas_event_log_contains(mask, true)) {
31fe14d1 540 qemu_irq_pulse(xics_get_qirq(spapr->icp, spapr->check_exception_irq));
74d042e5 541 }
31fe14d1
NF		 542
543 return;
544
545out_no_events:
546 rtas_st(rets, 0, RTAS_OUT_NO_ERRORS_FOUND);
74d042e5
DG		 547}
548
28e02042 549static void event_scan(PowerPCCPU *cpu, sPAPRMachineState *spapr,
79853e18
TD		 550 uint32_t token, uint32_t nargs,
551 target_ulong args,
552 uint32_t nret, target_ulong rets)
553{
554 uint32_t mask, buf, len, event_len;
555 sPAPREventLogEntry *event;
556 struct rtas_error_log *hdr;
557
558 if (nargs != 4 || nret != 1) {
559 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
560 return;
561 }
562
563 mask = rtas_ld(args, 0);
564 buf = rtas_ld(args, 2);
565 len = rtas_ld(args, 3);
566
567 event = rtas_event_log_dequeue(mask, false);
568 if (!event) {
569 goto out_no_events;
570 }
571
572 hdr = event->data;
573 event_len = be32_to_cpu(hdr->extended_length) + sizeof(*hdr);
574
575 if (event_len < len) {
576 len = event_len;
577 }
578
579 cpu_physical_memory_write(buf, event->data, len);
580 rtas_st(rets, 0, RTAS_OUT_SUCCESS);
581 g_free(event->data);
582 g_free(event);
583 return;
584
585out_no_events:
586 rtas_st(rets, 0, RTAS_OUT_NO_ERRORS_FOUND);
587}
588
28e02042 589void spapr_events_init(sPAPRMachineState *spapr)
74d042e5 590{
31fe14d1 591 QTAILQ_INIT(&spapr->pending_events);
a005b3ef
GK		 592 spapr->check_exception_irq = xics_alloc(spapr->icp, 0, 0, false,
593 &error_fatal);
74d042e5
DG		 594 spapr->epow_notifier.notify = spapr_powerdown_req;
595 qemu_register_powerdown_notifier(&spapr->epow_notifier);
3a3b8502
AK		 596 spapr_rtas_register(RTAS_CHECK_EXCEPTION, "check-exception",
597 check_exception);
79853e18 598 spapr_rtas_register(RTAS_EVENT_SCAN, "event-scan", event_scan);
74d042e5 599}
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