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TOMOYO Linux Cross Reference
Linux/arch/powerpc/platforms/ps3/repository.c

Version: ~ [ linux-5.13-rc7 ] ~ [ linux-5.12.12 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.45 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.127 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.195 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.237 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.273 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.273 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.18.140 ] ~ [ linux-3.16.85 ] ~ [ linux-3.14.79 ] ~ [ linux-3.12.74 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
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  1 // SPDX-License-Identifier: GPL-2.0-only
  2 /*
  3  *  PS3 repository routines.
  4  *
  5  *  Copyright (C) 2006 Sony Computer Entertainment Inc.
  6  *  Copyright 2006 Sony Corp.
  7  */
  8 
  9 #include <asm/lv1call.h>
 10 
 11 #include "platform.h"
 12 
 13 enum ps3_vendor_id {
 14         PS3_VENDOR_ID_NONE = 0,
 15         PS3_VENDOR_ID_SONY = 0x8000000000000000UL,
 16 };
 17 
 18 enum ps3_lpar_id {
 19         PS3_LPAR_ID_CURRENT = 0,
 20         PS3_LPAR_ID_PME = 1,
 21 };
 22 
 23 #define dump_field(_a, _b) _dump_field(_a, _b, __func__, __LINE__)
 24 static void _dump_field(const char *hdr, u64 n, const char *func, int line)
 25 {
 26 #if defined(DEBUG)
 27         char s[16];
 28         const char *const in = (const char *)&n;
 29         unsigned int i;
 30 
 31         for (i = 0; i < 8; i++)
 32                 s[i] = (in[i] <= 126 && in[i] >= 32) ? in[i] : '.';
 33         s[i] = 0;
 34 
 35         pr_devel("%s:%d: %s%016llx : %s\n", func, line, hdr, n, s);
 36 #endif
 37 }
 38 
 39 #define dump_node_name(_a, _b, _c, _d, _e) \
 40         _dump_node_name(_a, _b, _c, _d, _e, __func__, __LINE__)
 41 static void _dump_node_name(unsigned int lpar_id, u64 n1, u64 n2, u64 n3,
 42         u64 n4, const char *func, int line)
 43 {
 44         pr_devel("%s:%d: lpar: %u\n", func, line, lpar_id);
 45         _dump_field("n1: ", n1, func, line);
 46         _dump_field("n2: ", n2, func, line);
 47         _dump_field("n3: ", n3, func, line);
 48         _dump_field("n4: ", n4, func, line);
 49 }
 50 
 51 #define dump_node(_a, _b, _c, _d, _e, _f, _g) \
 52         _dump_node(_a, _b, _c, _d, _e, _f, _g, __func__, __LINE__)
 53 static void _dump_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
 54         u64 v1, u64 v2, const char *func, int line)
 55 {
 56         pr_devel("%s:%d: lpar: %u\n", func, line, lpar_id);
 57         _dump_field("n1: ", n1, func, line);
 58         _dump_field("n2: ", n2, func, line);
 59         _dump_field("n3: ", n3, func, line);
 60         _dump_field("n4: ", n4, func, line);
 61         pr_devel("%s:%d: v1: %016llx\n", func, line, v1);
 62         pr_devel("%s:%d: v2: %016llx\n", func, line, v2);
 63 }
 64 
 65 /**
 66  * make_first_field - Make the first field of a repository node name.
 67  * @text: Text portion of the field.
 68  * @index: Numeric index portion of the field.  Use zero for 'don't care'.
 69  *
 70  * This routine sets the vendor id to zero (non-vendor specific).
 71  * Returns field value.
 72  */
 73 
 74 static u64 make_first_field(const char *text, u64 index)
 75 {
 76         u64 n;
 77 
 78         strncpy((char *)&n, text, 8);
 79         return PS3_VENDOR_ID_NONE + (n >> 32) + index;
 80 }
 81 
 82 /**
 83  * make_field - Make subsequent fields of a repository node name.
 84  * @text: Text portion of the field.  Use "" for 'don't care'.
 85  * @index: Numeric index portion of the field.  Use zero for 'don't care'.
 86  *
 87  * Returns field value.
 88  */
 89 
 90 static u64 make_field(const char *text, u64 index)
 91 {
 92         u64 n = 0;
 93 
 94         memcpy((char *)&n, text, strnlen(text, sizeof(n)));
 95         return n + index;
 96 }
 97 
 98 /**
 99  * read_node - Read a repository node from raw fields.
100  * @n1: First field of node name.
101  * @n2: Second field of node name.  Use zero for 'don't care'.
102  * @n3: Third field of node name.  Use zero for 'don't care'.
103  * @n4: Fourth field of node name.  Use zero for 'don't care'.
104  * @v1: First repository value (high word).
105  * @v2: Second repository value (low word).  Optional parameter, use zero
106  *      for 'don't care'.
107  */
108 
109 static int read_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
110         u64 *_v1, u64 *_v2)
111 {
112         int result;
113         u64 v1;
114         u64 v2;
115 
116         if (lpar_id == PS3_LPAR_ID_CURRENT) {
117                 u64 id;
118                 lv1_get_logical_partition_id(&id);
119                 lpar_id = id;
120         }
121 
122         result = lv1_read_repository_node(lpar_id, n1, n2, n3, n4, &v1,
123                 &v2);
124 
125         if (result) {
126                 pr_warn("%s:%d: lv1_read_repository_node failed: %s\n",
127                         __func__, __LINE__, ps3_result(result));
128                 dump_node_name(lpar_id, n1, n2, n3, n4);
129                 return -ENOENT;
130         }
131 
132         dump_node(lpar_id, n1, n2, n3, n4, v1, v2);
133 
134         if (_v1)
135                 *_v1 = v1;
136         if (_v2)
137                 *_v2 = v2;
138 
139         if (v1 && !_v1)
140                 pr_devel("%s:%d: warning: discarding non-zero v1: %016llx\n",
141                         __func__, __LINE__, v1);
142         if (v2 && !_v2)
143                 pr_devel("%s:%d: warning: discarding non-zero v2: %016llx\n",
144                         __func__, __LINE__, v2);
145 
146         return 0;
147 }
148 
149 int ps3_repository_read_bus_str(unsigned int bus_index, const char *bus_str,
150         u64 *value)
151 {
152         return read_node(PS3_LPAR_ID_PME,
153                 make_first_field("bus", bus_index),
154                 make_field(bus_str, 0),
155                 0, 0,
156                 value, NULL);
157 }
158 
159 int ps3_repository_read_bus_id(unsigned int bus_index, u64 *bus_id)
160 {
161         return read_node(PS3_LPAR_ID_PME, make_first_field("bus", bus_index),
162                          make_field("id", 0), 0, 0, bus_id, NULL);
163 }
164 
165 int ps3_repository_read_bus_type(unsigned int bus_index,
166         enum ps3_bus_type *bus_type)
167 {
168         int result;
169         u64 v1 = 0;
170 
171         result = read_node(PS3_LPAR_ID_PME,
172                 make_first_field("bus", bus_index),
173                 make_field("type", 0),
174                 0, 0,
175                 &v1, NULL);
176         *bus_type = v1;
177         return result;
178 }
179 
180 int ps3_repository_read_bus_num_dev(unsigned int bus_index,
181         unsigned int *num_dev)
182 {
183         int result;
184         u64 v1 = 0;
185 
186         result = read_node(PS3_LPAR_ID_PME,
187                 make_first_field("bus", bus_index),
188                 make_field("num_dev", 0),
189                 0, 0,
190                 &v1, NULL);
191         *num_dev = v1;
192         return result;
193 }
194 
195 int ps3_repository_read_dev_str(unsigned int bus_index,
196         unsigned int dev_index, const char *dev_str, u64 *value)
197 {
198         return read_node(PS3_LPAR_ID_PME,
199                 make_first_field("bus", bus_index),
200                 make_field("dev", dev_index),
201                 make_field(dev_str, 0),
202                 0,
203                 value, NULL);
204 }
205 
206 int ps3_repository_read_dev_id(unsigned int bus_index, unsigned int dev_index,
207         u64 *dev_id)
208 {
209         return read_node(PS3_LPAR_ID_PME, make_first_field("bus", bus_index),
210                          make_field("dev", dev_index), make_field("id", 0), 0,
211                          dev_id, NULL);
212 }
213 
214 int ps3_repository_read_dev_type(unsigned int bus_index,
215         unsigned int dev_index, enum ps3_dev_type *dev_type)
216 {
217         int result;
218         u64 v1 = 0;
219 
220         result = read_node(PS3_LPAR_ID_PME,
221                 make_first_field("bus", bus_index),
222                 make_field("dev", dev_index),
223                 make_field("type", 0),
224                 0,
225                 &v1, NULL);
226         *dev_type = v1;
227         return result;
228 }
229 
230 int ps3_repository_read_dev_intr(unsigned int bus_index,
231         unsigned int dev_index, unsigned int intr_index,
232         enum ps3_interrupt_type *intr_type, unsigned int *interrupt_id)
233 {
234         int result;
235         u64 v1 = 0;
236         u64 v2 = 0;
237 
238         result = read_node(PS3_LPAR_ID_PME,
239                 make_first_field("bus", bus_index),
240                 make_field("dev", dev_index),
241                 make_field("intr", intr_index),
242                 0,
243                 &v1, &v2);
244         *intr_type = v1;
245         *interrupt_id = v2;
246         return result;
247 }
248 
249 int ps3_repository_read_dev_reg_type(unsigned int bus_index,
250         unsigned int dev_index, unsigned int reg_index,
251         enum ps3_reg_type *reg_type)
252 {
253         int result;
254         u64 v1 = 0;
255 
256         result = read_node(PS3_LPAR_ID_PME,
257                 make_first_field("bus", bus_index),
258                 make_field("dev", dev_index),
259                 make_field("reg", reg_index),
260                 make_field("type", 0),
261                 &v1, NULL);
262         *reg_type = v1;
263         return result;
264 }
265 
266 int ps3_repository_read_dev_reg_addr(unsigned int bus_index,
267         unsigned int dev_index, unsigned int reg_index, u64 *bus_addr, u64 *len)
268 {
269         return read_node(PS3_LPAR_ID_PME,
270                 make_first_field("bus", bus_index),
271                 make_field("dev", dev_index),
272                 make_field("reg", reg_index),
273                 make_field("data", 0),
274                 bus_addr, len);
275 }
276 
277 int ps3_repository_read_dev_reg(unsigned int bus_index,
278         unsigned int dev_index, unsigned int reg_index,
279         enum ps3_reg_type *reg_type, u64 *bus_addr, u64 *len)
280 {
281         int result = ps3_repository_read_dev_reg_type(bus_index, dev_index,
282                 reg_index, reg_type);
283         return result ? result
284                 : ps3_repository_read_dev_reg_addr(bus_index, dev_index,
285                 reg_index, bus_addr, len);
286 }
287 
288 
289 
290 int ps3_repository_find_device(struct ps3_repository_device *repo)
291 {
292         int result;
293         struct ps3_repository_device tmp = *repo;
294         unsigned int num_dev;
295 
296         BUG_ON(repo->bus_index > 10);
297         BUG_ON(repo->dev_index > 10);
298 
299         result = ps3_repository_read_bus_num_dev(tmp.bus_index, &num_dev);
300 
301         if (result) {
302                 pr_devel("%s:%d read_bus_num_dev failed\n", __func__, __LINE__);
303                 return result;
304         }
305 
306         pr_devel("%s:%d: bus_type %u, bus_index %u, bus_id %llu, num_dev %u\n",
307                 __func__, __LINE__, tmp.bus_type, tmp.bus_index, tmp.bus_id,
308                 num_dev);
309 
310         if (tmp.dev_index >= num_dev) {
311                 pr_devel("%s:%d: no device found\n", __func__, __LINE__);
312                 return -ENODEV;
313         }
314 
315         result = ps3_repository_read_dev_type(tmp.bus_index, tmp.dev_index,
316                 &tmp.dev_type);
317 
318         if (result) {
319                 pr_devel("%s:%d read_dev_type failed\n", __func__, __LINE__);
320                 return result;
321         }
322 
323         result = ps3_repository_read_dev_id(tmp.bus_index, tmp.dev_index,
324                 &tmp.dev_id);
325 
326         if (result) {
327                 pr_devel("%s:%d ps3_repository_read_dev_id failed\n", __func__,
328                 __LINE__);
329                 return result;
330         }
331 
332         pr_devel("%s:%d: found: dev_type %u, dev_index %u, dev_id %llu\n",
333                 __func__, __LINE__, tmp.dev_type, tmp.dev_index, tmp.dev_id);
334 
335         *repo = tmp;
336         return 0;
337 }
338 
339 int ps3_repository_find_device_by_id(struct ps3_repository_device *repo,
340                                      u64 bus_id, u64 dev_id)
341 {
342         int result = -ENODEV;
343         struct ps3_repository_device tmp;
344         unsigned int num_dev;
345 
346         pr_devel(" -> %s:%u: find device by id %llu:%llu\n", __func__, __LINE__,
347                  bus_id, dev_id);
348 
349         for (tmp.bus_index = 0; tmp.bus_index < 10; tmp.bus_index++) {
350                 result = ps3_repository_read_bus_id(tmp.bus_index,
351                                                     &tmp.bus_id);
352                 if (result) {
353                         pr_devel("%s:%u read_bus_id(%u) failed\n", __func__,
354                                  __LINE__, tmp.bus_index);
355                         return result;
356                 }
357 
358                 if (tmp.bus_id == bus_id)
359                         goto found_bus;
360 
361                 pr_devel("%s:%u: skip, bus_id %llu\n", __func__, __LINE__,
362                          tmp.bus_id);
363         }
364         pr_devel(" <- %s:%u: bus not found\n", __func__, __LINE__);
365         return result;
366 
367 found_bus:
368         result = ps3_repository_read_bus_type(tmp.bus_index, &tmp.bus_type);
369         if (result) {
370                 pr_devel("%s:%u read_bus_type(%u) failed\n", __func__,
371                          __LINE__, tmp.bus_index);
372                 return result;
373         }
374 
375         result = ps3_repository_read_bus_num_dev(tmp.bus_index, &num_dev);
376         if (result) {
377                 pr_devel("%s:%u read_bus_num_dev failed\n", __func__,
378                          __LINE__);
379                 return result;
380         }
381 
382         for (tmp.dev_index = 0; tmp.dev_index < num_dev; tmp.dev_index++) {
383                 result = ps3_repository_read_dev_id(tmp.bus_index,
384                                                     tmp.dev_index,
385                                                     &tmp.dev_id);
386                 if (result) {
387                         pr_devel("%s:%u read_dev_id(%u:%u) failed\n", __func__,
388                                  __LINE__, tmp.bus_index, tmp.dev_index);
389                         return result;
390                 }
391 
392                 if (tmp.dev_id == dev_id)
393                         goto found_dev;
394 
395                 pr_devel("%s:%u: skip, dev_id %llu\n", __func__, __LINE__,
396                          tmp.dev_id);
397         }
398         pr_devel(" <- %s:%u: dev not found\n", __func__, __LINE__);
399         return result;
400 
401 found_dev:
402         result = ps3_repository_read_dev_type(tmp.bus_index, tmp.dev_index,
403                                               &tmp.dev_type);
404         if (result) {
405                 pr_devel("%s:%u read_dev_type failed\n", __func__, __LINE__);
406                 return result;
407         }
408 
409         pr_devel(" <- %s:%u: found: type (%u:%u) index (%u:%u) id (%llu:%llu)\n",
410                  __func__, __LINE__, tmp.bus_type, tmp.dev_type, tmp.bus_index,
411                  tmp.dev_index, tmp.bus_id, tmp.dev_id);
412         *repo = tmp;
413         return 0;
414 }
415 
416 int ps3_repository_find_devices(enum ps3_bus_type bus_type,
417         int (*callback)(const struct ps3_repository_device *repo))
418 {
419         int result = 0;
420         struct ps3_repository_device repo;
421 
422         pr_devel(" -> %s:%d: find bus_type %u\n", __func__, __LINE__, bus_type);
423 
424         repo.bus_type = bus_type;
425         result = ps3_repository_find_bus(repo.bus_type, 0, &repo.bus_index);
426         if (result) {
427                 pr_devel(" <- %s:%u: bus not found\n", __func__, __LINE__);
428                 return result;
429         }
430 
431         result = ps3_repository_read_bus_id(repo.bus_index, &repo.bus_id);
432         if (result) {
433                 pr_devel("%s:%d read_bus_id(%u) failed\n", __func__, __LINE__,
434                          repo.bus_index);
435                 return result;
436         }
437 
438         for (repo.dev_index = 0; ; repo.dev_index++) {
439                 result = ps3_repository_find_device(&repo);
440                 if (result == -ENODEV) {
441                         result = 0;
442                         break;
443                 } else if (result)
444                         break;
445 
446                 result = callback(&repo);
447                 if (result) {
448                         pr_devel("%s:%d: abort at callback\n", __func__,
449                                 __LINE__);
450                         break;
451                 }
452         }
453 
454         pr_devel(" <- %s:%d\n", __func__, __LINE__);
455         return result;
456 }
457 
458 int ps3_repository_find_bus(enum ps3_bus_type bus_type, unsigned int from,
459         unsigned int *bus_index)
460 {
461         unsigned int i;
462         enum ps3_bus_type type;
463         int error;
464 
465         for (i = from; i < 10; i++) {
466                 error = ps3_repository_read_bus_type(i, &type);
467                 if (error) {
468                         pr_devel("%s:%d read_bus_type failed\n",
469                                 __func__, __LINE__);
470                         *bus_index = UINT_MAX;
471                         return error;
472                 }
473                 if (type == bus_type) {
474                         *bus_index = i;
475                         return 0;
476                 }
477         }
478         *bus_index = UINT_MAX;
479         return -ENODEV;
480 }
481 
482 int ps3_repository_find_interrupt(const struct ps3_repository_device *repo,
483         enum ps3_interrupt_type intr_type, unsigned int *interrupt_id)
484 {
485         int result = 0;
486         unsigned int res_index;
487 
488         pr_devel("%s:%d: find intr_type %u\n", __func__, __LINE__, intr_type);
489 
490         *interrupt_id = UINT_MAX;
491 
492         for (res_index = 0; res_index < 10; res_index++) {
493                 enum ps3_interrupt_type t;
494                 unsigned int id;
495 
496                 result = ps3_repository_read_dev_intr(repo->bus_index,
497                         repo->dev_index, res_index, &t, &id);
498 
499                 if (result) {
500                         pr_devel("%s:%d read_dev_intr failed\n",
501                                 __func__, __LINE__);
502                         return result;
503                 }
504 
505                 if (t == intr_type) {
506                         *interrupt_id = id;
507                         break;
508                 }
509         }
510 
511         if (res_index == 10)
512                 return -ENODEV;
513 
514         pr_devel("%s:%d: found intr_type %u at res_index %u\n",
515                 __func__, __LINE__, intr_type, res_index);
516 
517         return result;
518 }
519 
520 int ps3_repository_find_reg(const struct ps3_repository_device *repo,
521         enum ps3_reg_type reg_type, u64 *bus_addr, u64 *len)
522 {
523         int result = 0;
524         unsigned int res_index;
525 
526         pr_devel("%s:%d: find reg_type %u\n", __func__, __LINE__, reg_type);
527 
528         *bus_addr = *len = 0;
529 
530         for (res_index = 0; res_index < 10; res_index++) {
531                 enum ps3_reg_type t;
532                 u64 a;
533                 u64 l;
534 
535                 result = ps3_repository_read_dev_reg(repo->bus_index,
536                         repo->dev_index, res_index, &t, &a, &l);
537 
538                 if (result) {
539                         pr_devel("%s:%d read_dev_reg failed\n",
540                                 __func__, __LINE__);
541                         return result;
542                 }
543 
544                 if (t == reg_type) {
545                         *bus_addr = a;
546                         *len = l;
547                         break;
548                 }
549         }
550 
551         if (res_index == 10)
552                 return -ENODEV;
553 
554         pr_devel("%s:%d: found reg_type %u at res_index %u\n",
555                 __func__, __LINE__, reg_type, res_index);
556 
557         return result;
558 }
559 
560 int ps3_repository_read_stor_dev_port(unsigned int bus_index,
561         unsigned int dev_index, u64 *port)
562 {
563         return read_node(PS3_LPAR_ID_PME,
564                 make_first_field("bus", bus_index),
565                 make_field("dev", dev_index),
566                 make_field("port", 0),
567                 0, port, NULL);
568 }
569 
570 int ps3_repository_read_stor_dev_blk_size(unsigned int bus_index,
571         unsigned int dev_index, u64 *blk_size)
572 {
573         return read_node(PS3_LPAR_ID_PME,
574                 make_first_field("bus", bus_index),
575                 make_field("dev", dev_index),
576                 make_field("blk_size", 0),
577                 0, blk_size, NULL);
578 }
579 
580 int ps3_repository_read_stor_dev_num_blocks(unsigned int bus_index,
581         unsigned int dev_index, u64 *num_blocks)
582 {
583         return read_node(PS3_LPAR_ID_PME,
584                 make_first_field("bus", bus_index),
585                 make_field("dev", dev_index),
586                 make_field("n_blocks", 0),
587                 0, num_blocks, NULL);
588 }
589 
590 int ps3_repository_read_stor_dev_num_regions(unsigned int bus_index,
591         unsigned int dev_index, unsigned int *num_regions)
592 {
593         int result;
594         u64 v1 = 0;
595 
596         result = read_node(PS3_LPAR_ID_PME,
597                 make_first_field("bus", bus_index),
598                 make_field("dev", dev_index),
599                 make_field("n_regs", 0),
600                 0, &v1, NULL);
601         *num_regions = v1;
602         return result;
603 }
604 
605 int ps3_repository_read_stor_dev_region_id(unsigned int bus_index,
606         unsigned int dev_index, unsigned int region_index,
607         unsigned int *region_id)
608 {
609         int result;
610         u64 v1 = 0;
611 
612         result = read_node(PS3_LPAR_ID_PME,
613             make_first_field("bus", bus_index),
614             make_field("dev", dev_index),
615             make_field("region", region_index),
616             make_field("id", 0),
617             &v1, NULL);
618         *region_id = v1;
619         return result;
620 }
621 
622 int ps3_repository_read_stor_dev_region_size(unsigned int bus_index,
623         unsigned int dev_index, unsigned int region_index, u64 *region_size)
624 {
625         return read_node(PS3_LPAR_ID_PME,
626             make_first_field("bus", bus_index),
627             make_field("dev", dev_index),
628             make_field("region", region_index),
629             make_field("size", 0),
630             region_size, NULL);
631 }
632 
633 int ps3_repository_read_stor_dev_region_start(unsigned int bus_index,
634         unsigned int dev_index, unsigned int region_index, u64 *region_start)
635 {
636         return read_node(PS3_LPAR_ID_PME,
637             make_first_field("bus", bus_index),
638             make_field("dev", dev_index),
639             make_field("region", region_index),
640             make_field("start", 0),
641             region_start, NULL);
642 }
643 
644 int ps3_repository_read_stor_dev_info(unsigned int bus_index,
645         unsigned int dev_index, u64 *port, u64 *blk_size,
646         u64 *num_blocks, unsigned int *num_regions)
647 {
648         int result;
649 
650         result = ps3_repository_read_stor_dev_port(bus_index, dev_index, port);
651         if (result)
652             return result;
653 
654         result = ps3_repository_read_stor_dev_blk_size(bus_index, dev_index,
655                 blk_size);
656         if (result)
657             return result;
658 
659         result = ps3_repository_read_stor_dev_num_blocks(bus_index, dev_index,
660                 num_blocks);
661         if (result)
662             return result;
663 
664         result = ps3_repository_read_stor_dev_num_regions(bus_index, dev_index,
665                 num_regions);
666         return result;
667 }
668 
669 int ps3_repository_read_stor_dev_region(unsigned int bus_index,
670         unsigned int dev_index, unsigned int region_index,
671         unsigned int *region_id, u64 *region_start, u64 *region_size)
672 {
673         int result;
674 
675         result = ps3_repository_read_stor_dev_region_id(bus_index, dev_index,
676                 region_index, region_id);
677         if (result)
678             return result;
679 
680         result = ps3_repository_read_stor_dev_region_start(bus_index, dev_index,
681                 region_index, region_start);
682         if (result)
683             return result;
684 
685         result = ps3_repository_read_stor_dev_region_size(bus_index, dev_index,
686                 region_index, region_size);
687         return result;
688 }
689 
690 /**
691  * ps3_repository_read_num_pu - Number of logical PU processors for this lpar.
692  */
693 
694 int ps3_repository_read_num_pu(u64 *num_pu)
695 {
696         *num_pu = 0;
697         return read_node(PS3_LPAR_ID_CURRENT,
698                            make_first_field("bi", 0),
699                            make_field("pun", 0),
700                            0, 0,
701                            num_pu, NULL);
702 }
703 
704 /**
705  * ps3_repository_read_pu_id - Read the logical PU id.
706  * @pu_index: Zero based index.
707  * @pu_id: The logical PU id.
708  */
709 
710 int ps3_repository_read_pu_id(unsigned int pu_index, u64 *pu_id)
711 {
712         return read_node(PS3_LPAR_ID_CURRENT,
713                 make_first_field("bi", 0),
714                 make_field("pu", pu_index),
715                 0, 0,
716                 pu_id, NULL);
717 }
718 
719 int ps3_repository_read_rm_size(unsigned int ppe_id, u64 *rm_size)
720 {
721         return read_node(PS3_LPAR_ID_CURRENT,
722                 make_first_field("bi", 0),
723                 make_field("pu", 0),
724                 ppe_id,
725                 make_field("rm_size", 0),
726                 rm_size, NULL);
727 }
728 
729 int ps3_repository_read_region_total(u64 *region_total)
730 {
731         return read_node(PS3_LPAR_ID_CURRENT,
732                 make_first_field("bi", 0),
733                 make_field("rgntotal", 0),
734                 0, 0,
735                 region_total, NULL);
736 }
737 
738 /**
739  * ps3_repository_read_mm_info - Read mm info for single pu system.
740  * @rm_base: Real mode memory base address.
741  * @rm_size: Real mode memory size.
742  * @region_total: Maximum memory region size.
743  */
744 
745 int ps3_repository_read_mm_info(u64 *rm_base, u64 *rm_size, u64 *region_total)
746 {
747         int result;
748         u64 ppe_id;
749 
750         lv1_get_logical_ppe_id(&ppe_id);
751         *rm_base = 0;
752         result = ps3_repository_read_rm_size(ppe_id, rm_size);
753         return result ? result
754                 : ps3_repository_read_region_total(region_total);
755 }
756 
757 /**
758  * ps3_repository_read_highmem_region_count - Read the number of highmem regions
759  *
760  * Bootloaders must arrange the repository nodes such that regions are indexed
761  * with a region_index from 0 to region_count-1.
762  */
763 
764 int ps3_repository_read_highmem_region_count(unsigned int *region_count)
765 {
766         int result;
767         u64 v1 = 0;
768 
769         result = read_node(PS3_LPAR_ID_CURRENT,
770                 make_first_field("highmem", 0),
771                 make_field("region", 0),
772                 make_field("count", 0),
773                 0,
774                 &v1, NULL);
775         *region_count = v1;
776         return result;
777 }
778 
779 
780 int ps3_repository_read_highmem_base(unsigned int region_index,
781         u64 *highmem_base)
782 {
783         return read_node(PS3_LPAR_ID_CURRENT,
784                 make_first_field("highmem", 0),
785                 make_field("region", region_index),
786                 make_field("base", 0),
787                 0,
788                 highmem_base, NULL);
789 }
790 
791 int ps3_repository_read_highmem_size(unsigned int region_index,
792         u64 *highmem_size)
793 {
794         return read_node(PS3_LPAR_ID_CURRENT,
795                 make_first_field("highmem", 0),
796                 make_field("region", region_index),
797                 make_field("size", 0),
798                 0,
799                 highmem_size, NULL);
800 }
801 
802 /**
803  * ps3_repository_read_highmem_info - Read high memory region info
804  * @region_index: Region index, {0,..,region_count-1}.
805  * @highmem_base: High memory base address.
806  * @highmem_size: High memory size.
807  *
808  * Bootloaders that preallocate highmem regions must place the
809  * region info into the repository at these well known nodes.
810  */
811 
812 int ps3_repository_read_highmem_info(unsigned int region_index,
813         u64 *highmem_base, u64 *highmem_size)
814 {
815         int result;
816 
817         *highmem_base = 0;
818         result = ps3_repository_read_highmem_base(region_index, highmem_base);
819         return result ? result
820                 : ps3_repository_read_highmem_size(region_index, highmem_size);
821 }
822 
823 /**
824  * ps3_repository_read_num_spu_reserved - Number of physical spus reserved.
825  * @num_spu: Number of physical spus.
826  */
827 
828 int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved)
829 {
830         int result;
831         u64 v1 = 0;
832 
833         result = read_node(PS3_LPAR_ID_CURRENT,
834                 make_first_field("bi", 0),
835                 make_field("spun", 0),
836                 0, 0,
837                 &v1, NULL);
838         *num_spu_reserved = v1;
839         return result;
840 }
841 
842 /**
843  * ps3_repository_read_num_spu_resource_id - Number of spu resource reservations.
844  * @num_resource_id: Number of spu resource ids.
845  */
846 
847 int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id)
848 {
849         int result;
850         u64 v1 = 0;
851 
852         result = read_node(PS3_LPAR_ID_CURRENT,
853                 make_first_field("bi", 0),
854                 make_field("spursvn", 0),
855                 0, 0,
856                 &v1, NULL);
857         *num_resource_id = v1;
858         return result;
859 }
860 
861 /**
862  * ps3_repository_read_spu_resource_id - spu resource reservation id value.
863  * @res_index: Resource reservation index.
864  * @resource_type: Resource reservation type.
865  * @resource_id: Resource reservation id.
866  */
867 
868 int ps3_repository_read_spu_resource_id(unsigned int res_index,
869         enum ps3_spu_resource_type *resource_type, unsigned int *resource_id)
870 {
871         int result;
872         u64 v1 = 0;
873         u64 v2 = 0;
874 
875         result = read_node(PS3_LPAR_ID_CURRENT,
876                 make_first_field("bi", 0),
877                 make_field("spursv", 0),
878                 res_index,
879                 0,
880                 &v1, &v2);
881         *resource_type = v1;
882         *resource_id = v2;
883         return result;
884 }
885 
886 static int ps3_repository_read_boot_dat_address(u64 *address)
887 {
888         return read_node(PS3_LPAR_ID_CURRENT,
889                 make_first_field("bi", 0),
890                 make_field("boot_dat", 0),
891                 make_field("address", 0),
892                 0,
893                 address, NULL);
894 }
895 
896 int ps3_repository_read_boot_dat_size(unsigned int *size)
897 {
898         int result;
899         u64 v1 = 0;
900 
901         result = read_node(PS3_LPAR_ID_CURRENT,
902                 make_first_field("bi", 0),
903                 make_field("boot_dat", 0),
904                 make_field("size", 0),
905                 0,
906                 &v1, NULL);
907         *size = v1;
908         return result;
909 }
910 
911 int ps3_repository_read_vuart_av_port(unsigned int *port)
912 {
913         int result;
914         u64 v1 = 0;
915 
916         result = read_node(PS3_LPAR_ID_CURRENT,
917                 make_first_field("bi", 0),
918                 make_field("vir_uart", 0),
919                 make_field("port", 0),
920                 make_field("avset", 0),
921                 &v1, NULL);
922         *port = v1;
923         return result;
924 }
925 
926 int ps3_repository_read_vuart_sysmgr_port(unsigned int *port)
927 {
928         int result;
929         u64 v1 = 0;
930 
931         result = read_node(PS3_LPAR_ID_CURRENT,
932                 make_first_field("bi", 0),
933                 make_field("vir_uart", 0),
934                 make_field("port", 0),
935                 make_field("sysmgr", 0),
936                 &v1, NULL);
937         *port = v1;
938         return result;
939 }
940 
941 /**
942   * ps3_repository_read_boot_dat_info - Get address and size of cell_ext_os_area.
943   * address: lpar address of cell_ext_os_area
944   * @size: size of cell_ext_os_area
945   */
946 
947 int ps3_repository_read_boot_dat_info(u64 *lpar_addr, unsigned int *size)
948 {
949         int result;
950 
951         *size = 0;
952         result = ps3_repository_read_boot_dat_address(lpar_addr);
953         return result ? result
954                 : ps3_repository_read_boot_dat_size(size);
955 }
956 
957 /**
958  * ps3_repository_read_num_be - Number of physical BE processors in the system.
959  */
960 
961 int ps3_repository_read_num_be(unsigned int *num_be)
962 {
963         int result;
964         u64 v1 = 0;
965 
966         result = read_node(PS3_LPAR_ID_PME,
967                 make_first_field("ben", 0),
968                 0,
969                 0,
970                 0,
971                 &v1, NULL);
972         *num_be = v1;
973         return result;
974 }
975 
976 /**
977  * ps3_repository_read_be_node_id - Read the physical BE processor node id.
978  * @be_index: Zero based index.
979  * @node_id: The BE processor node id.
980  */
981 
982 int ps3_repository_read_be_node_id(unsigned int be_index, u64 *node_id)
983 {
984         return read_node(PS3_LPAR_ID_PME,
985                 make_first_field("be", be_index),
986                 0,
987                 0,
988                 0,
989                 node_id, NULL);
990 }
991 
992 /**
993  * ps3_repository_read_be_id - Read the physical BE processor id.
994  * @node_id: The BE processor node id.
995  * @be_id: The BE processor id.
996  */
997 
998 int ps3_repository_read_be_id(u64 node_id, u64 *be_id)
999 {
1000         return read_node(PS3_LPAR_ID_PME,
1001                 make_first_field("be", 0),
1002                 node_id,
1003                 0,
1004                 0,
1005                 be_id, NULL);
1006 }
1007 
1008 int ps3_repository_read_tb_freq(u64 node_id, u64 *tb_freq)
1009 {
1010         return read_node(PS3_LPAR_ID_PME,
1011                 make_first_field("be", 0),
1012                 node_id,
1013                 make_field("clock", 0),
1014                 0,
1015                 tb_freq, NULL);
1016 }
1017 
1018 int ps3_repository_read_be_tb_freq(unsigned int be_index, u64 *tb_freq)
1019 {
1020         int result;
1021         u64 node_id;
1022 
1023         *tb_freq = 0;
1024         result = ps3_repository_read_be_node_id(be_index, &node_id);
1025         return result ? result
1026                 : ps3_repository_read_tb_freq(node_id, tb_freq);
1027 }
1028 
1029 int ps3_repository_read_lpm_privileges(unsigned int be_index, u64 *lpar,
1030         u64 *rights)
1031 {
1032         int result;
1033         u64 node_id;
1034 
1035         *lpar = 0;
1036         *rights = 0;
1037         result = ps3_repository_read_be_node_id(be_index, &node_id);
1038         return result ? result
1039                 : read_node(PS3_LPAR_ID_PME,
1040                             make_first_field("be", 0),
1041                             node_id,
1042                             make_field("lpm", 0),
1043                             make_field("priv", 0),
1044                             lpar, rights);
1045 }
1046 
1047 #if defined(CONFIG_PS3_REPOSITORY_WRITE)
1048 
1049 static int create_node(u64 n1, u64 n2, u64 n3, u64 n4, u64 v1, u64 v2)
1050 {
1051         int result;
1052 
1053         dump_node(0, n1, n2, n3, n4, v1, v2);
1054 
1055         result = lv1_create_repository_node(n1, n2, n3, n4, v1, v2);
1056 
1057         if (result) {
1058                 pr_devel("%s:%d: lv1_create_repository_node failed: %s\n",
1059                         __func__, __LINE__, ps3_result(result));
1060                 return -ENOENT;
1061         }
1062 
1063         return 0;
1064 }
1065 
1066 static int delete_node(u64 n1, u64 n2, u64 n3, u64 n4)
1067 {
1068         int result;
1069 
1070         dump_node(0, n1, n2, n3, n4, 0, 0);
1071 
1072         result = lv1_delete_repository_node(n1, n2, n3, n4);
1073 
1074         if (result) {
1075                 pr_devel("%s:%d: lv1_delete_repository_node failed: %s\n",
1076                         __func__, __LINE__, ps3_result(result));
1077                 return -ENOENT;
1078         }
1079 
1080         return 0;
1081 }
1082 
1083 static int write_node(u64 n1, u64 n2, u64 n3, u64 n4, u64 v1, u64 v2)
1084 {
1085         int result;
1086 
1087         result = create_node(n1, n2, n3, n4, v1, v2);
1088 
1089         if (!result)
1090                 return 0;
1091 
1092         result = lv1_write_repository_node(n1, n2, n3, n4, v1, v2);
1093 
1094         if (result) {
1095                 pr_devel("%s:%d: lv1_write_repository_node failed: %s\n",
1096                         __func__, __LINE__, ps3_result(result));
1097                 return -ENOENT;
1098         }
1099 
1100         return 0;
1101 }
1102 
1103 int ps3_repository_write_highmem_region_count(unsigned int region_count)
1104 {
1105         int result;
1106         u64 v1 = (u64)region_count;
1107 
1108         result = write_node(
1109                 make_first_field("highmem", 0),
1110                 make_field("region", 0),
1111                 make_field("count", 0),
1112                 0,
1113                 v1, 0);
1114         return result;
1115 }
1116 
1117 int ps3_repository_write_highmem_base(unsigned int region_index,
1118         u64 highmem_base)
1119 {
1120         return write_node(
1121                 make_first_field("highmem", 0),
1122                 make_field("region", region_index),
1123                 make_field("base", 0),
1124                 0,
1125                 highmem_base, 0);
1126 }
1127 
1128 int ps3_repository_write_highmem_size(unsigned int region_index,
1129         u64 highmem_size)
1130 {
1131         return write_node(
1132                 make_first_field("highmem", 0),
1133                 make_field("region", region_index),
1134                 make_field("size", 0),
1135                 0,
1136                 highmem_size, 0);
1137 }
1138 
1139 int ps3_repository_write_highmem_info(unsigned int region_index,
1140         u64 highmem_base, u64 highmem_size)
1141 {
1142         int result;
1143 
1144         result = ps3_repository_write_highmem_base(region_index, highmem_base);
1145         return result ? result
1146                 : ps3_repository_write_highmem_size(region_index, highmem_size);
1147 }
1148 
1149 static int ps3_repository_delete_highmem_base(unsigned int region_index)
1150 {
1151         return delete_node(
1152                 make_first_field("highmem", 0),
1153                 make_field("region", region_index),
1154                 make_field("base", 0),
1155                 0);
1156 }
1157 
1158 static int ps3_repository_delete_highmem_size(unsigned int region_index)
1159 {
1160         return delete_node(
1161                 make_first_field("highmem", 0),
1162                 make_field("region", region_index),
1163                 make_field("size", 0),
1164                 0);
1165 }
1166 
1167 int ps3_repository_delete_highmem_info(unsigned int region_index)
1168 {
1169         int result;
1170 
1171         result = ps3_repository_delete_highmem_base(region_index);
1172         result += ps3_repository_delete_highmem_size(region_index);
1173 
1174         return result ? -1 : 0;
1175 }
1176 
1177 #endif /* defined(CONFIG_PS3_REPOSITORY_WRITE) */
1178 
1179 #if defined(DEBUG)
1180 
1181 int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo)
1182 {
1183         int result = 0;
1184         unsigned int res_index;
1185 
1186         pr_devel(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
1187                 repo->bus_index, repo->dev_index);
1188 
1189         for (res_index = 0; res_index < 10; res_index++) {
1190                 enum ps3_interrupt_type intr_type;
1191                 unsigned int interrupt_id;
1192 
1193                 result = ps3_repository_read_dev_intr(repo->bus_index,
1194                         repo->dev_index, res_index, &intr_type, &interrupt_id);
1195 
1196                 if (result) {
1197                         if (result !=  LV1_NO_ENTRY)
1198                                 pr_devel("%s:%d ps3_repository_read_dev_intr"
1199                                         " (%u:%u) failed\n", __func__, __LINE__,
1200                                         repo->bus_index, repo->dev_index);
1201                         break;
1202                 }
1203 
1204                 pr_devel("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n",
1205                         __func__, __LINE__, repo->bus_index, repo->dev_index,
1206                         intr_type, interrupt_id);
1207         }
1208 
1209         for (res_index = 0; res_index < 10; res_index++) {
1210                 enum ps3_reg_type reg_type;
1211                 u64 bus_addr;
1212                 u64 len;
1213 
1214                 result = ps3_repository_read_dev_reg(repo->bus_index,
1215                         repo->dev_index, res_index, &reg_type, &bus_addr, &len);
1216 
1217                 if (result) {
1218                         if (result !=  LV1_NO_ENTRY)
1219                                 pr_devel("%s:%d ps3_repository_read_dev_reg"
1220                                         " (%u:%u) failed\n", __func__, __LINE__,
1221                                         repo->bus_index, repo->dev_index);
1222                         break;
1223                 }
1224 
1225                 pr_devel("%s:%d (%u:%u) reg_type %u, bus_addr %llxh, len %llxh\n",
1226                         __func__, __LINE__, repo->bus_index, repo->dev_index,
1227                         reg_type, bus_addr, len);
1228         }
1229 
1230         pr_devel(" <- %s:%d\n", __func__, __LINE__);
1231         return result;
1232 }
1233 
1234 static int dump_stor_dev_info(struct ps3_repository_device *repo)
1235 {
1236         int result = 0;
1237         unsigned int num_regions, region_index;
1238         u64 port, blk_size, num_blocks;
1239 
1240         pr_devel(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
1241                 repo->bus_index, repo->dev_index);
1242 
1243         result = ps3_repository_read_stor_dev_info(repo->bus_index,
1244                 repo->dev_index, &port, &blk_size, &num_blocks, &num_regions);
1245         if (result) {
1246                 pr_devel("%s:%d ps3_repository_read_stor_dev_info"
1247                         " (%u:%u) failed\n", __func__, __LINE__,
1248                         repo->bus_index, repo->dev_index);
1249                 goto out;
1250         }
1251 
1252         pr_devel("%s:%d  (%u:%u): port %llu, blk_size %llu, num_blocks "
1253                  "%llu, num_regions %u\n",
1254                  __func__, __LINE__, repo->bus_index, repo->dev_index,
1255                 port, blk_size, num_blocks, num_regions);
1256 
1257         for (region_index = 0; region_index < num_regions; region_index++) {
1258                 unsigned int region_id;
1259                 u64 region_start, region_size;
1260 
1261                 result = ps3_repository_read_stor_dev_region(repo->bus_index,
1262                         repo->dev_index, region_index, &region_id,
1263                         &region_start, &region_size);
1264                 if (result) {
1265                          pr_devel("%s:%d ps3_repository_read_stor_dev_region"
1266                                   " (%u:%u) failed\n", __func__, __LINE__,
1267                                   repo->bus_index, repo->dev_index);
1268                         break;
1269                 }
1270 
1271                 pr_devel("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n",
1272                         __func__, __LINE__, repo->bus_index, repo->dev_index,
1273                         region_id, (unsigned long)region_start,
1274                         (unsigned long)region_size);
1275         }
1276 
1277 out:
1278         pr_devel(" <- %s:%d\n", __func__, __LINE__);
1279         return result;
1280 }
1281 
1282 static int dump_device_info(struct ps3_repository_device *repo,
1283         unsigned int num_dev)
1284 {
1285         int result = 0;
1286 
1287         pr_devel(" -> %s:%d: bus_%u\n", __func__, __LINE__, repo->bus_index);
1288 
1289         for (repo->dev_index = 0; repo->dev_index < num_dev;
1290                 repo->dev_index++) {
1291 
1292                 result = ps3_repository_read_dev_type(repo->bus_index,
1293                         repo->dev_index, &repo->dev_type);
1294 
1295                 if (result) {
1296                         pr_devel("%s:%d ps3_repository_read_dev_type"
1297                                 " (%u:%u) failed\n", __func__, __LINE__,
1298                                 repo->bus_index, repo->dev_index);
1299                         break;
1300                 }
1301 
1302                 result = ps3_repository_read_dev_id(repo->bus_index,
1303                         repo->dev_index, &repo->dev_id);
1304 
1305                 if (result) {
1306                         pr_devel("%s:%d ps3_repository_read_dev_id"
1307                                 " (%u:%u) failed\n", __func__, __LINE__,
1308                                 repo->bus_index, repo->dev_index);
1309                         continue;
1310                 }
1311 
1312                 pr_devel("%s:%d  (%u:%u): dev_type %u, dev_id %lu\n", __func__,
1313                         __LINE__, repo->bus_index, repo->dev_index,
1314                         repo->dev_type, (unsigned long)repo->dev_id);
1315 
1316                 ps3_repository_dump_resource_info(repo);
1317 
1318                 if (repo->bus_type == PS3_BUS_TYPE_STORAGE)
1319                         dump_stor_dev_info(repo);
1320         }
1321 
1322         pr_devel(" <- %s:%d\n", __func__, __LINE__);
1323         return result;
1324 }
1325 
1326 int ps3_repository_dump_bus_info(void)
1327 {
1328         int result = 0;
1329         struct ps3_repository_device repo;
1330 
1331         pr_devel(" -> %s:%d\n", __func__, __LINE__);
1332 
1333         memset(&repo, 0, sizeof(repo));
1334 
1335         for (repo.bus_index = 0; repo.bus_index < 10; repo.bus_index++) {
1336                 unsigned int num_dev;
1337 
1338                 result = ps3_repository_read_bus_type(repo.bus_index,
1339                         &repo.bus_type);
1340 
1341                 if (result) {
1342                         pr_devel("%s:%d read_bus_type(%u) failed\n",
1343                                 __func__, __LINE__, repo.bus_index);
1344                         break;
1345                 }
1346 
1347                 result = ps3_repository_read_bus_id(repo.bus_index,
1348                         &repo.bus_id);
1349 
1350                 if (result) {
1351                         pr_devel("%s:%d read_bus_id(%u) failed\n",
1352                                 __func__, __LINE__, repo.bus_index);
1353                         continue;
1354                 }
1355 
1356                 if (repo.bus_index != repo.bus_id)
1357                         pr_devel("%s:%d bus_index != bus_id\n",
1358                                 __func__, __LINE__);
1359 
1360                 result = ps3_repository_read_bus_num_dev(repo.bus_index,
1361                         &num_dev);
1362 
1363                 if (result) {
1364                         pr_devel("%s:%d read_bus_num_dev(%u) failed\n",
1365                                 __func__, __LINE__, repo.bus_index);
1366                         continue;
1367                 }
1368 
1369                 pr_devel("%s:%d bus_%u: bus_type %u, bus_id %lu, num_dev %u\n",
1370                         __func__, __LINE__, repo.bus_index, repo.bus_type,
1371                         (unsigned long)repo.bus_id, num_dev);
1372 
1373                 dump_device_info(&repo, num_dev);
1374         }
1375 
1376         pr_devel(" <- %s:%d\n", __func__, __LINE__);
1377         return result;
1378 }
1379 
1380 #endif /* defined(DEBUG) */
1381 

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