1 /*
2  *  PS3 repository routines.
3  *
4  *  Copyright (C) 2006 Sony Computer Entertainment Inc.
5  *  Copyright 2006 Sony Corp.
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License as published by
9  *  the Free Software Foundation; version 2 of the License.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20 
21 #include <asm/lv1call.h>
22 
23 #include "platform.h"
24 
25 enum ps3_vendor_id {
26 	PS3_VENDOR_ID_NONE = 0,
27 	PS3_VENDOR_ID_SONY = 0x8000000000000000UL,
28 };
29 
30 enum ps3_lpar_id {
31 	PS3_LPAR_ID_CURRENT = 0,
32 	PS3_LPAR_ID_PME = 1,
33 };
34 
35 #define dump_field(_a, _b) _dump_field(_a, _b, __func__, __LINE__)
36 static void _dump_field(const char *hdr, u64 n, const char* func, int line)
37 {
38 #if defined(DEBUG)
39 	char s[16];
40 	const char *const in = (const char *)&n;
41 	unsigned int i;
42 
43 	for (i = 0; i < 8; i++)
44 		s[i] = (in[i] <= 126 && in[i] >= 32) ? in[i] : '.';
45 	s[i] = 0;
46 
47 	pr_debug("%s:%d: %s%016lx : %s\n", func, line, hdr, n, s);
48 #endif
49 }
50 
51 #define dump_node_name(_a, _b, _c, _d, _e) \
52 	_dump_node_name(_a, _b, _c, _d, _e, __func__, __LINE__)
53 static void _dump_node_name (unsigned int lpar_id, u64 n1, u64 n2, u64 n3,
54 	u64 n4, const char* func, int line)
55 {
56 	pr_debug("%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 }
62 
63 #define dump_node(_a, _b, _c, _d, _e, _f, _g) \
64 	_dump_node(_a, _b, _c, _d, _e, _f, _g, __func__, __LINE__)
65 static void _dump_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
66 	u64 v1, u64 v2, const char* func, int line)
67 {
68 	pr_debug("%s:%d: lpar: %u\n", func, line, lpar_id);
69 	_dump_field("n1: ", n1, func, line);
70 	_dump_field("n2: ", n2, func, line);
71 	_dump_field("n3: ", n3, func, line);
72 	_dump_field("n4: ", n4, func, line);
73 	pr_debug("%s:%d: v1: %016lx\n", func, line, v1);
74 	pr_debug("%s:%d: v2: %016lx\n", func, line, v2);
75 }
76 
77 /**
78  * make_first_field - Make the first field of a repository node name.
79  * @text: Text portion of the field.
80  * @index: Numeric index portion of the field.  Use zero for 'don't care'.
81  *
82  * This routine sets the vendor id to zero (non-vendor specific).
83  * Returns field value.
84  */
85 
86 static u64 make_first_field(const char *text, u64 index)
87 {
88 	u64 n;
89 
90 	strncpy((char *)&n, text, 8);
91 	return PS3_VENDOR_ID_NONE + (n >> 32) + index;
92 }
93 
94 /**
95  * make_field - Make subsequent fields of a repository node name.
96  * @text: Text portion of the field.  Use "" for 'don't care'.
97  * @index: Numeric index portion of the field.  Use zero for 'don't care'.
98  *
99  * Returns field value.
100  */
101 
102 static u64 make_field(const char *text, u64 index)
103 {
104 	u64 n;
105 
106 	strncpy((char *)&n, text, 8);
107 	return n + index;
108 }
109 
110 /**
111  * read_node - Read a repository node from raw fields.
112  * @n1: First field of node name.
113  * @n2: Second field of node name.  Use zero for 'don't care'.
114  * @n3: Third field of node name.  Use zero for 'don't care'.
115  * @n4: Fourth field of node name.  Use zero for 'don't care'.
116  * @v1: First repository value (high word).
117  * @v2: Second repository value (low word).  Optional parameter, use zero
118  *      for 'don't care'.
119  */
120 
121 static int read_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
122 	u64 *_v1, u64 *_v2)
123 {
124 	int result;
125 	u64 v1;
126 	u64 v2;
127 
128 	if (lpar_id == PS3_LPAR_ID_CURRENT) {
129 		u64 id;
130 		lv1_get_logical_partition_id(&id);
131 		lpar_id = id;
132 	}
133 
134 	result = lv1_get_repository_node_value(lpar_id, n1, n2, n3, n4, &v1,
135 		&v2);
136 
137 	if (result) {
138 		pr_debug("%s:%d: lv1_get_repository_node_value failed: %s\n",
139 			__func__, __LINE__, ps3_result(result));
140 		dump_node_name(lpar_id, n1, n2, n3, n4);
141 		return result;
142 	}
143 
144 	dump_node(lpar_id, n1, n2, n3, n4, v1, v2);
145 
146 	if (_v1)
147 		*_v1 = v1;
148 	if (_v2)
149 		*_v2 = v2;
150 
151 	if (v1 && !_v1)
152 		pr_debug("%s:%d: warning: discarding non-zero v1: %016lx\n",
153 			__func__, __LINE__, v1);
154 	if (v2 && !_v2)
155 		pr_debug("%s:%d: warning: discarding non-zero v2: %016lx\n",
156 			__func__, __LINE__, v2);
157 
158 	return result;
159 }
160 
161 int ps3_repository_read_bus_str(unsigned int bus_index, const char *bus_str,
162 	u64 *value)
163 {
164 	return read_node(PS3_LPAR_ID_PME,
165 		make_first_field("bus", bus_index),
166 		make_field(bus_str, 0),
167 		0, 0,
168 		value, 0);
169 }
170 
171 int ps3_repository_read_bus_id(unsigned int bus_index, unsigned int *bus_id)
172 {
173 	int result;
174 	u64 v1;
175 	u64 v2; /* unused */
176 
177 	result = read_node(PS3_LPAR_ID_PME,
178 		make_first_field("bus", bus_index),
179 		make_field("id", 0),
180 		0, 0,
181 		&v1, &v2);
182 	*bus_id = v1;
183 	return result;
184 }
185 
186 int ps3_repository_read_bus_type(unsigned int bus_index,
187 	enum ps3_bus_type *bus_type)
188 {
189 	int result;
190 	u64 v1;
191 
192 	result = read_node(PS3_LPAR_ID_PME,
193 		make_first_field("bus", bus_index),
194 		make_field("type", 0),
195 		0, 0,
196 		&v1, 0);
197 	*bus_type = v1;
198 	return result;
199 }
200 
201 int ps3_repository_read_bus_num_dev(unsigned int bus_index,
202 	unsigned int *num_dev)
203 {
204 	int result;
205 	u64 v1;
206 
207 	result = read_node(PS3_LPAR_ID_PME,
208 		make_first_field("bus", bus_index),
209 		make_field("num_dev", 0),
210 		0, 0,
211 		&v1, 0);
212 	*num_dev = v1;
213 	return result;
214 }
215 
216 int ps3_repository_read_dev_str(unsigned int bus_index,
217 	unsigned int dev_index, const char *dev_str, u64 *value)
218 {
219 	return read_node(PS3_LPAR_ID_PME,
220 		make_first_field("bus", bus_index),
221 		make_field("dev", dev_index),
222 		make_field(dev_str, 0),
223 		0,
224 		value, 0);
225 }
226 
227 int ps3_repository_read_dev_id(unsigned int bus_index, unsigned int dev_index,
228 	unsigned int *dev_id)
229 {
230 	int result;
231 	u64 v1;
232 
233 	result = read_node(PS3_LPAR_ID_PME,
234 		make_first_field("bus", bus_index),
235 		make_field("dev", dev_index),
236 		make_field("id", 0),
237 		0,
238 		&v1, 0);
239 	*dev_id = v1;
240 	return result;
241 }
242 
243 int ps3_repository_read_dev_type(unsigned int bus_index,
244 	unsigned int dev_index, enum ps3_dev_type *dev_type)
245 {
246 	int result;
247 	u64 v1;
248 
249 	result = read_node(PS3_LPAR_ID_PME,
250 		make_first_field("bus", bus_index),
251 		make_field("dev", dev_index),
252 		make_field("type", 0),
253 		0,
254 		&v1, 0);
255 	*dev_type = v1;
256 	return result;
257 }
258 
259 int ps3_repository_read_dev_intr(unsigned int bus_index,
260 	unsigned int dev_index, unsigned int intr_index,
261 	enum ps3_interrupt_type *intr_type, unsigned int* interrupt_id)
262 {
263 	int result;
264 	u64 v1;
265 	u64 v2;
266 
267 	result = read_node(PS3_LPAR_ID_PME,
268 		make_first_field("bus", bus_index),
269 		make_field("dev", dev_index),
270 		make_field("intr", intr_index),
271 		0,
272 		&v1, &v2);
273 	*intr_type = v1;
274 	*interrupt_id = v2;
275 	return result;
276 }
277 
278 int ps3_repository_read_dev_reg_type(unsigned int bus_index,
279 	unsigned int dev_index, unsigned int reg_index,
280 	enum ps3_reg_type *reg_type)
281 {
282 	int result;
283 	u64 v1;
284 
285 	result = read_node(PS3_LPAR_ID_PME,
286 		make_first_field("bus", bus_index),
287 		make_field("dev", dev_index),
288 		make_field("reg", reg_index),
289 		make_field("type", 0),
290 		&v1, 0);
291 	*reg_type = v1;
292 	return result;
293 }
294 
295 int ps3_repository_read_dev_reg_addr(unsigned int bus_index,
296 	unsigned int dev_index, unsigned int reg_index, u64 *bus_addr, u64 *len)
297 {
298 	return read_node(PS3_LPAR_ID_PME,
299 		make_first_field("bus", bus_index),
300 		make_field("dev", dev_index),
301 		make_field("reg", reg_index),
302 		make_field("data", 0),
303 		bus_addr, len);
304 }
305 
306 int ps3_repository_read_dev_reg(unsigned int bus_index,
307 	unsigned int dev_index, unsigned int reg_index,
308 	enum ps3_reg_type *reg_type, u64 *bus_addr, u64 *len)
309 {
310 	int result = ps3_repository_read_dev_reg_type(bus_index, dev_index,
311 		reg_index, reg_type);
312 	return result ? result
313 		: ps3_repository_read_dev_reg_addr(bus_index, dev_index,
314 		reg_index, bus_addr, len);
315 }
316 
317 #if defined(DEBUG)
318 int ps3_repository_dump_resource_info(unsigned int bus_index,
319 	unsigned int dev_index)
320 {
321 	int result = 0;
322 	unsigned int res_index;
323 
324 	pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
325 		bus_index, dev_index);
326 
327 	for (res_index = 0; res_index < 10; res_index++) {
328 		enum ps3_interrupt_type intr_type;
329 		unsigned int interrupt_id;
330 
331 		result = ps3_repository_read_dev_intr(bus_index, dev_index,
332 			res_index, &intr_type, &interrupt_id);
333 
334 		if (result) {
335 			if (result !=  LV1_NO_ENTRY)
336 				pr_debug("%s:%d ps3_repository_read_dev_intr"
337 					" (%u:%u) failed\n", __func__, __LINE__,
338 					bus_index, dev_index);
339 			break;
340 		}
341 
342 		pr_debug("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n",
343 			__func__, __LINE__, bus_index, dev_index, intr_type,
344 			interrupt_id);
345 	}
346 
347 	for (res_index = 0; res_index < 10; res_index++) {
348 		enum ps3_reg_type reg_type;
349 		u64 bus_addr;
350 		u64 len;
351 
352 		result = ps3_repository_read_dev_reg(bus_index, dev_index,
353 			res_index, &reg_type, &bus_addr, &len);
354 
355 		if (result) {
356 			if (result !=  LV1_NO_ENTRY)
357 				pr_debug("%s:%d ps3_repository_read_dev_reg"
358 					" (%u:%u) failed\n", __func__, __LINE__,
359 					bus_index, dev_index);
360 			break;
361 		}
362 
363 		pr_debug("%s:%d (%u:%u) reg_type %u, bus_addr %lxh, len %lxh\n",
364 			__func__, __LINE__, bus_index, dev_index, reg_type,
365 			bus_addr, len);
366 	}
367 
368 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
369 	return result;
370 }
371 
372 static int dump_stor_dev_info(unsigned int bus_index, unsigned int dev_index)
373 {
374 	int result = 0;
375 	unsigned int num_regions, region_index;
376 	u64 port, blk_size, num_blocks;
377 
378 	pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
379 		bus_index, dev_index);
380 
381 	result = ps3_repository_read_stor_dev_info(bus_index, dev_index, &port,
382 		&blk_size, &num_blocks, &num_regions);
383 	if (result) {
384 		pr_debug("%s:%d ps3_repository_read_stor_dev_info"
385 			" (%u:%u) failed\n", __func__, __LINE__,
386 			bus_index, dev_index);
387 		goto out;
388 	}
389 
390 	pr_debug("%s:%d  (%u:%u): port %lu, blk_size %lu, num_blocks "
391 		 "%lu, num_regions %u\n",
392 		 __func__, __LINE__, bus_index, dev_index, port,
393 		 blk_size, num_blocks, num_regions);
394 
395 	for (region_index = 0; region_index < num_regions; region_index++) {
396 		unsigned int region_id;
397 		u64 region_start, region_size;
398 
399 		result = ps3_repository_read_stor_dev_region(bus_index,
400 			dev_index, region_index, &region_id, &region_start,
401 			&region_size);
402 		if (result) {
403 			 pr_debug("%s:%d ps3_repository_read_stor_dev_region"
404 				  " (%u:%u) failed\n", __func__, __LINE__,
405 				  bus_index, dev_index);
406 			break;
407 		}
408 
409 		pr_debug("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n",
410 			 __func__, __LINE__, bus_index, dev_index, region_id,
411 			 region_start, region_size);
412 	}
413 
414 out:
415 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
416 	return result;
417 }
418 
419 static int dump_device_info(unsigned int bus_index, enum ps3_bus_type bus_type,
420 			    unsigned int num_dev)
421 {
422 	int result = 0;
423 	unsigned int dev_index;
424 
425 	pr_debug(" -> %s:%d: bus_%u\n", __func__, __LINE__, bus_index);
426 
427 	for (dev_index = 0; dev_index < num_dev; dev_index++) {
428 		enum ps3_dev_type dev_type;
429 		unsigned int dev_id;
430 
431 		result = ps3_repository_read_dev_type(bus_index, dev_index,
432 			&dev_type);
433 
434 		if (result) {
435 			pr_debug("%s:%d ps3_repository_read_dev_type"
436 				" (%u:%u) failed\n", __func__, __LINE__,
437 				bus_index, dev_index);
438 			break;
439 		}
440 
441 		result = ps3_repository_read_dev_id(bus_index, dev_index,
442 			&dev_id);
443 
444 		if (result) {
445 			pr_debug("%s:%d ps3_repository_read_dev_id"
446 				" (%u:%u) failed\n", __func__, __LINE__,
447 				bus_index, dev_index);
448 			continue;
449 		}
450 
451 		pr_debug("%s:%d  (%u:%u): dev_type %u, dev_id %u\n", __func__,
452 			__LINE__, bus_index, dev_index, dev_type, dev_id);
453 
454 		ps3_repository_dump_resource_info(bus_index, dev_index);
455 
456 		if (bus_type == PS3_BUS_TYPE_STORAGE)
457 			dump_stor_dev_info(bus_index, dev_index);
458 	}
459 
460 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
461 	return result;
462 }
463 
464 int ps3_repository_dump_bus_info(void)
465 {
466 	int result = 0;
467 	unsigned int bus_index;
468 
469 	pr_debug(" -> %s:%d\n", __func__, __LINE__);
470 
471 	for (bus_index = 0; bus_index < 10; bus_index++) {
472 		enum ps3_bus_type bus_type;
473 		unsigned int bus_id;
474 		unsigned int num_dev;
475 
476 		result = ps3_repository_read_bus_type(bus_index, &bus_type);
477 
478 		if (result) {
479 			pr_debug("%s:%d read_bus_type(%u) failed\n",
480 				__func__, __LINE__, bus_index);
481 			break;
482 		}
483 
484 		result = ps3_repository_read_bus_id(bus_index, &bus_id);
485 
486 		if (result) {
487 			pr_debug("%s:%d read_bus_id(%u) failed\n",
488 				__func__, __LINE__, bus_index);
489 			continue;
490 		}
491 
492 		if (bus_index != bus_id)
493 			pr_debug("%s:%d bus_index != bus_id\n",
494 				__func__, __LINE__);
495 
496 		result = ps3_repository_read_bus_num_dev(bus_index, &num_dev);
497 
498 		if (result) {
499 			pr_debug("%s:%d read_bus_num_dev(%u) failed\n",
500 				__func__, __LINE__, bus_index);
501 			continue;
502 		}
503 
504 		pr_debug("%s:%d bus_%u: bus_type %u, bus_id %u, num_dev %u\n",
505 			__func__, __LINE__, bus_index, bus_type, bus_id,
506 			num_dev);
507 
508 		dump_device_info(bus_index, bus_type, num_dev);
509 	}
510 
511 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
512 	return result;
513 }
514 #endif /* defined(DEBUG) */
515 
516 static int find_device(unsigned int bus_index, unsigned int num_dev,
517 	unsigned int start_dev_index, enum ps3_dev_type dev_type,
518 	struct ps3_repository_device *dev)
519 {
520 	int result = 0;
521 	unsigned int dev_index;
522 
523 	pr_debug("%s:%d: find dev_type %u\n", __func__, __LINE__, dev_type);
524 
525 	dev->dev_index = UINT_MAX;
526 
527 	for (dev_index = start_dev_index; dev_index < num_dev; dev_index++) {
528 		enum ps3_dev_type x;
529 
530 		result = ps3_repository_read_dev_type(bus_index, dev_index,
531 			&x);
532 
533 		if (result) {
534 			pr_debug("%s:%d read_dev_type failed\n",
535 				__func__, __LINE__);
536 			return result;
537 		}
538 
539 		if (x == dev_type)
540 			break;
541 	}
542 
543 	if (dev_index == num_dev)
544 		return -1;
545 
546 	pr_debug("%s:%d: found dev_type %u at dev_index %u\n",
547 		__func__, __LINE__, dev_type, dev_index);
548 
549 	result = ps3_repository_read_dev_id(bus_index, dev_index,
550 		&dev->did.dev_id);
551 
552 	if (result) {
553 		pr_debug("%s:%d read_dev_id failed\n",
554 			__func__, __LINE__);
555 		return result;
556 	}
557 
558 	dev->dev_index = dev_index;
559 
560 	pr_debug("%s:%d found: dev_id %u\n", __func__, __LINE__,
561 		dev->did.dev_id);
562 
563 	return result;
564 }
565 
566 int ps3_repository_find_device (enum ps3_bus_type bus_type,
567 	enum ps3_dev_type dev_type,
568 	const struct ps3_repository_device *start_dev,
569 	struct ps3_repository_device *dev)
570 {
571 	int result = 0;
572 	unsigned int bus_index;
573 	unsigned int num_dev;
574 
575 	pr_debug("%s:%d: find bus_type %u, dev_type %u\n", __func__, __LINE__,
576 		bus_type, dev_type);
577 
578 	BUG_ON(start_dev && start_dev->bus_index > 10);
579 
580 	for (bus_index = start_dev ? start_dev->bus_index : 0; bus_index < 10;
581 		bus_index++) {
582 		enum ps3_bus_type x;
583 
584 		result = ps3_repository_read_bus_type(bus_index, &x);
585 
586 		if (result) {
587 			pr_debug("%s:%d read_bus_type failed\n",
588 				__func__, __LINE__);
589 			dev->bus_index = UINT_MAX;
590 			return result;
591 		}
592 		if (x == bus_type)
593 			break;
594 	}
595 
596 	if (bus_index >= 10)
597 		return -ENODEV;
598 
599 	pr_debug("%s:%d: found bus_type %u at bus_index %u\n",
600 		__func__, __LINE__, bus_type, bus_index);
601 
602 	result = ps3_repository_read_bus_num_dev(bus_index, &num_dev);
603 
604 	if (result) {
605 		pr_debug("%s:%d read_bus_num_dev failed\n",
606 			__func__, __LINE__);
607 		return result;
608 	}
609 
610 	result = find_device(bus_index, num_dev, start_dev
611 		? start_dev->dev_index + 1 : 0, dev_type, dev);
612 
613 	if (result) {
614 		pr_debug("%s:%d get_did failed\n", __func__, __LINE__);
615 		return result;
616 	}
617 
618 	result = ps3_repository_read_bus_id(bus_index, &dev->did.bus_id);
619 
620 	if (result) {
621 		pr_debug("%s:%d read_bus_id failed\n",
622 			__func__, __LINE__);
623 		return result;
624 	}
625 
626 	dev->bus_index = bus_index;
627 
628 	pr_debug("%s:%d found: bus_id %u, dev_id %u\n",
629 		__func__, __LINE__, dev->did.bus_id, dev->did.dev_id);
630 
631 	return result;
632 }
633 
634 int ps3_repository_find_interrupt(const struct ps3_repository_device *dev,
635 	enum ps3_interrupt_type intr_type, unsigned int *interrupt_id)
636 {
637 	int result = 0;
638 	unsigned int res_index;
639 
640 	pr_debug("%s:%d: find intr_type %u\n", __func__, __LINE__, intr_type);
641 
642 	*interrupt_id = UINT_MAX;
643 
644 	for (res_index = 0; res_index < 10; res_index++) {
645 		enum ps3_interrupt_type t;
646 		unsigned int id;
647 
648 		result = ps3_repository_read_dev_intr(dev->bus_index,
649 			dev->dev_index, res_index, &t, &id);
650 
651 		if (result) {
652 			pr_debug("%s:%d read_dev_intr failed\n",
653 				__func__, __LINE__);
654 			return result;
655 		}
656 
657 		if (t == intr_type) {
658 			*interrupt_id = id;
659 			break;
660 		}
661 	}
662 
663 	if (res_index == 10)
664 		return -ENODEV;
665 
666 	pr_debug("%s:%d: found intr_type %u at res_index %u\n",
667 		__func__, __LINE__, intr_type, res_index);
668 
669 	return result;
670 }
671 
672 int ps3_repository_find_reg(const struct ps3_repository_device *dev,
673 	enum ps3_reg_type reg_type, u64 *bus_addr, u64 *len)
674 {
675 	int result = 0;
676 	unsigned int res_index;
677 
678 	pr_debug("%s:%d: find reg_type %u\n", __func__, __LINE__, reg_type);
679 
680 	*bus_addr = *len = 0;
681 
682 	for (res_index = 0; res_index < 10; res_index++) {
683 		enum ps3_reg_type t;
684 		u64 a;
685 		u64 l;
686 
687 		result = ps3_repository_read_dev_reg(dev->bus_index,
688 			dev->dev_index, res_index, &t, &a, &l);
689 
690 		if (result) {
691 			pr_debug("%s:%d read_dev_reg failed\n",
692 				__func__, __LINE__);
693 			return result;
694 		}
695 
696 		if (t == reg_type) {
697 			*bus_addr = a;
698 			*len = l;
699 			break;
700 		}
701 	}
702 
703 	if (res_index == 10)
704 		return -ENODEV;
705 
706 	pr_debug("%s:%d: found reg_type %u at res_index %u\n",
707 		__func__, __LINE__, reg_type, res_index);
708 
709 	return result;
710 }
711 
712 int ps3_repository_read_stor_dev_port(unsigned int bus_index,
713 	unsigned int dev_index, u64 *port)
714 {
715 	return read_node(PS3_LPAR_ID_PME,
716 		make_first_field("bus", bus_index),
717 		make_field("dev", dev_index),
718 		make_field("port", 0),
719 		0, port, 0);
720 }
721 
722 int ps3_repository_read_stor_dev_blk_size(unsigned int bus_index,
723 	unsigned int dev_index, u64 *blk_size)
724 {
725 	return read_node(PS3_LPAR_ID_PME,
726 		make_first_field("bus", bus_index),
727 		make_field("dev", dev_index),
728 		make_field("blk_size", 0),
729 		0, blk_size, 0);
730 }
731 
732 int ps3_repository_read_stor_dev_num_blocks(unsigned int bus_index,
733 	unsigned int dev_index, u64 *num_blocks)
734 {
735 	return read_node(PS3_LPAR_ID_PME,
736 		make_first_field("bus", bus_index),
737 		make_field("dev", dev_index),
738 		make_field("n_blocks", 0),
739 		0, num_blocks, 0);
740 }
741 
742 int ps3_repository_read_stor_dev_num_regions(unsigned int bus_index,
743 	unsigned int dev_index, unsigned int *num_regions)
744 {
745 	int result;
746 	u64 v1;
747 
748 	result = read_node(PS3_LPAR_ID_PME,
749 		make_first_field("bus", bus_index),
750 		make_field("dev", dev_index),
751 		make_field("n_regs", 0),
752 		0, &v1, 0);
753 	*num_regions = v1;
754 	return result;
755 }
756 
757 int ps3_repository_read_stor_dev_region_id(unsigned int bus_index,
758 	unsigned int dev_index, unsigned int region_index,
759 	unsigned int *region_id)
760 {
761 	int result;
762 	u64 v1;
763 
764 	result = read_node(PS3_LPAR_ID_PME,
765 	    make_first_field("bus", bus_index),
766 	    make_field("dev", dev_index),
767 	    make_field("region", region_index),
768 	    make_field("id", 0),
769 	    &v1, 0);
770 	*region_id = v1;
771 	return result;
772 }
773 
774 int ps3_repository_read_stor_dev_region_size(unsigned int bus_index,
775 	unsigned int dev_index,	unsigned int region_index, u64 *region_size)
776 {
777 	return read_node(PS3_LPAR_ID_PME,
778 	    make_first_field("bus", bus_index),
779 	    make_field("dev", dev_index),
780 	    make_field("region", region_index),
781 	    make_field("size", 0),
782 	    region_size, 0);
783 }
784 
785 int ps3_repository_read_stor_dev_region_start(unsigned int bus_index,
786 	unsigned int dev_index, unsigned int region_index, u64 *region_start)
787 {
788 	return read_node(PS3_LPAR_ID_PME,
789 	    make_first_field("bus", bus_index),
790 	    make_field("dev", dev_index),
791 	    make_field("region", region_index),
792 	    make_field("start", 0),
793 	    region_start, 0);
794 }
795 
796 int ps3_repository_read_stor_dev_info(unsigned int bus_index,
797 	unsigned int dev_index, u64 *port, u64 *blk_size,
798 	u64 *num_blocks, unsigned int *num_regions)
799 {
800 	int result;
801 
802 	result = ps3_repository_read_stor_dev_port(bus_index, dev_index, port);
803 	if (result)
804 	    return result;
805 
806 	result = ps3_repository_read_stor_dev_blk_size(bus_index, dev_index,
807 		blk_size);
808 	if (result)
809 	    return result;
810 
811 	result = ps3_repository_read_stor_dev_num_blocks(bus_index, dev_index,
812 		num_blocks);
813 	if (result)
814 	    return result;
815 
816 	result = ps3_repository_read_stor_dev_num_regions(bus_index, dev_index,
817 		num_regions);
818 	return result;
819 }
820 
821 int ps3_repository_read_stor_dev_region(unsigned int bus_index,
822 	unsigned int dev_index, unsigned int region_index,
823 	unsigned int *region_id, u64 *region_start, u64 *region_size)
824 {
825 	int result;
826 
827 	result = ps3_repository_read_stor_dev_region_id(bus_index, dev_index,
828 		region_index, region_id);
829 	if (result)
830 	    return result;
831 
832 	result = ps3_repository_read_stor_dev_region_start(bus_index, dev_index,
833 		region_index, region_start);
834 	if (result)
835 	    return result;
836 
837 	result = ps3_repository_read_stor_dev_region_size(bus_index, dev_index,
838 		region_index, region_size);
839 	return result;
840 }
841 
842 int ps3_repository_read_rm_size(unsigned int ppe_id, u64 *rm_size)
843 {
844 	return read_node(PS3_LPAR_ID_CURRENT,
845 		make_first_field("bi", 0),
846 		make_field("pu", 0),
847 		ppe_id,
848 		make_field("rm_size", 0),
849 		rm_size, 0);
850 }
851 
852 int ps3_repository_read_region_total(u64 *region_total)
853 {
854 	return read_node(PS3_LPAR_ID_CURRENT,
855 		make_first_field("bi", 0),
856 		make_field("rgntotal", 0),
857 		0, 0,
858 		region_total, 0);
859 }
860 
861 /**
862  * ps3_repository_read_mm_info - Read mm info for single pu system.
863  * @rm_base: Real mode memory base address.
864  * @rm_size: Real mode memory size.
865  * @region_total: Maximum memory region size.
866  */
867 
868 int ps3_repository_read_mm_info(u64 *rm_base, u64 *rm_size, u64 *region_total)
869 {
870 	int result;
871 	u64 ppe_id;
872 
873 	lv1_get_logical_ppe_id(&ppe_id);
874 	*rm_base = 0;
875 	result = ps3_repository_read_rm_size(ppe_id, rm_size);
876 	return result ? result
877 		: ps3_repository_read_region_total(region_total);
878 }
879 
880 /**
881  * ps3_repository_read_num_spu_reserved - Number of physical spus reserved.
882  * @num_spu: Number of physical spus.
883  */
884 
885 int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved)
886 {
887 	int result;
888 	u64 v1;
889 
890 	result = read_node(PS3_LPAR_ID_CURRENT,
891 		make_first_field("bi", 0),
892 		make_field("spun", 0),
893 		0, 0,
894 		&v1, 0);
895 	*num_spu_reserved = v1;
896 	return result;
897 }
898 
899 /**
900  * ps3_repository_read_num_spu_resource_id - Number of spu resource reservations.
901  * @num_resource_id: Number of spu resource ids.
902  */
903 
904 int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id)
905 {
906 	int result;
907 	u64 v1;
908 
909 	result = read_node(PS3_LPAR_ID_CURRENT,
910 		make_first_field("bi", 0),
911 		make_field("spursvn", 0),
912 		0, 0,
913 		&v1, 0);
914 	*num_resource_id = v1;
915 	return result;
916 }
917 
918 /**
919  * ps3_repository_read_spu_resource_id - spu resource reservation id value.
920  * @res_index: Resource reservation index.
921  * @resource_type: Resource reservation type.
922  * @resource_id: Resource reservation id.
923  */
924 
925 int ps3_repository_read_spu_resource_id(unsigned int res_index,
926 	enum ps3_spu_resource_type* resource_type, unsigned int *resource_id)
927 {
928 	int result;
929 	u64 v1;
930 	u64 v2;
931 
932 	result = read_node(PS3_LPAR_ID_CURRENT,
933 		make_first_field("bi", 0),
934 		make_field("spursv", 0),
935 		res_index,
936 		0,
937 		&v1, &v2);
938 	*resource_type = v1;
939 	*resource_id = v2;
940 	return result;
941 }
942 
943 int ps3_repository_read_boot_dat_address(u64 *address)
944 {
945 	return read_node(PS3_LPAR_ID_CURRENT,
946 		make_first_field("bi", 0),
947 		make_field("boot_dat", 0),
948 		make_field("address", 0),
949 		0,
950 		address, 0);
951 }
952 
953 int ps3_repository_read_boot_dat_size(unsigned int *size)
954 {
955 	int result;
956 	u64 v1;
957 
958 	result = read_node(PS3_LPAR_ID_CURRENT,
959 		make_first_field("bi", 0),
960 		make_field("boot_dat", 0),
961 		make_field("size", 0),
962 		0,
963 		&v1, 0);
964 	*size = v1;
965 	return result;
966 }
967 
968 /**
969   * ps3_repository_read_boot_dat_info - Get address and size of cell_ext_os_area.
970   * address: lpar address of cell_ext_os_area
971   * @size: size of cell_ext_os_area
972   */
973 
974 int ps3_repository_read_boot_dat_info(u64 *lpar_addr, unsigned int *size)
975 {
976 	int result;
977 
978 	*size = 0;
979 	result = ps3_repository_read_boot_dat_address(lpar_addr);
980 	return result ? result
981 		: ps3_repository_read_boot_dat_size(size);
982 }
983 
984 int ps3_repository_read_num_be(unsigned int *num_be)
985 {
986 	int result;
987 	u64 v1;
988 
989 	result = read_node(PS3_LPAR_ID_PME,
990 		make_first_field("ben", 0),
991 		0,
992 		0,
993 		0,
994 		&v1, 0);
995 	*num_be = v1;
996 	return result;
997 }
998 
999 int ps3_repository_read_be_node_id(unsigned int be_index, u64 *node_id)
1000 {
1001 	return read_node(PS3_LPAR_ID_PME,
1002 		make_first_field("be", be_index),
1003 		0,
1004 		0,
1005 		0,
1006 		node_id, 0);
1007 }
1008 
1009 int ps3_repository_read_tb_freq(u64 node_id, u64 *tb_freq)
1010 {
1011 	return read_node(PS3_LPAR_ID_PME,
1012 		make_first_field("be", 0),
1013 		node_id,
1014 		make_field("clock", 0),
1015 		0,
1016 		tb_freq, 0);
1017 }
1018 
1019 int ps3_repository_read_be_tb_freq(unsigned int be_index, u64 *tb_freq)
1020 {
1021 	int result;
1022 	u64 node_id;
1023 
1024 	*tb_freq = 0;
1025 	result = ps3_repository_read_be_node_id(0, &node_id);
1026 	return result ? result
1027 		: ps3_repository_read_tb_freq(node_id, tb_freq);
1028 }
1029