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
25enum ps3_vendor_id {
26	PS3_VENDOR_ID_NONE = 0,
27	PS3_VENDOR_ID_SONY = 0x8000000000000000UL,
28};
29
30enum 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__)
36static 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_devel("%s:%d: %s%016llx : %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__)
53static 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_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}
62
63#define dump_node(_a, _b, _c, _d, _e, _f, _g) \
64	_dump_node(_a, _b, _c, _d, _e, _f, _g, __func__, __LINE__)
65static 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_devel("%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_devel("%s:%d: v1: %016llx\n", func, line, v1);
74	pr_devel("%s:%d: v2: %016llx\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
86static 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
102static 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
121static 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_read_repository_node(lpar_id, n1, n2, n3, n4, &v1,
135		&v2);
136
137	if (result) {
138		pr_warn("%s:%d: lv1_read_repository_node failed: %s\n",
139			__func__, __LINE__, ps3_result(result));
140		dump_node_name(lpar_id, n1, n2, n3, n4);
141		return -ENOENT;
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_devel("%s:%d: warning: discarding non-zero v1: %016llx\n",
153			__func__, __LINE__, v1);
154	if (v2 && !_v2)
155		pr_devel("%s:%d: warning: discarding non-zero v2: %016llx\n",
156			__func__, __LINE__, v2);
157
158	return 0;
159}
160
161int 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, NULL);
169}
170
171int ps3_repository_read_bus_id(unsigned int bus_index, u64 *bus_id)
172{
173	int result;
174
175	result = read_node(PS3_LPAR_ID_PME,
176		make_first_field("bus", bus_index),
177		make_field("id", 0),
178		0, 0,
179		bus_id, NULL);
180	return result;
181}
182
183int ps3_repository_read_bus_type(unsigned int bus_index,
184	enum ps3_bus_type *bus_type)
185{
186	int result;
187	u64 v1 = 0;
188
189	result = read_node(PS3_LPAR_ID_PME,
190		make_first_field("bus", bus_index),
191		make_field("type", 0),
192		0, 0,
193		&v1, NULL);
194	*bus_type = v1;
195	return result;
196}
197
198int ps3_repository_read_bus_num_dev(unsigned int bus_index,
199	unsigned int *num_dev)
200{
201	int result;
202	u64 v1 = 0;
203
204	result = read_node(PS3_LPAR_ID_PME,
205		make_first_field("bus", bus_index),
206		make_field("num_dev", 0),
207		0, 0,
208		&v1, NULL);
209	*num_dev = v1;
210	return result;
211}
212
213int ps3_repository_read_dev_str(unsigned int bus_index,
214	unsigned int dev_index, const char *dev_str, u64 *value)
215{
216	return read_node(PS3_LPAR_ID_PME,
217		make_first_field("bus", bus_index),
218		make_field("dev", dev_index),
219		make_field(dev_str, 0),
220		0,
221		value, NULL);
222}
223
224int ps3_repository_read_dev_id(unsigned int bus_index, unsigned int dev_index,
225	u64 *dev_id)
226{
227	int result;
228
229	result = read_node(PS3_LPAR_ID_PME,
230		make_first_field("bus", bus_index),
231		make_field("dev", dev_index),
232		make_field("id", 0),
233		0,
234		dev_id, NULL);
235	return result;
236}
237
238int ps3_repository_read_dev_type(unsigned int bus_index,
239	unsigned int dev_index, enum ps3_dev_type *dev_type)
240{
241	int result;
242	u64 v1 = 0;
243
244	result = read_node(PS3_LPAR_ID_PME,
245		make_first_field("bus", bus_index),
246		make_field("dev", dev_index),
247		make_field("type", 0),
248		0,
249		&v1, NULL);
250	*dev_type = v1;
251	return result;
252}
253
254int ps3_repository_read_dev_intr(unsigned int bus_index,
255	unsigned int dev_index, unsigned int intr_index,
256	enum ps3_interrupt_type *intr_type, unsigned int *interrupt_id)
257{
258	int result;
259	u64 v1 = 0;
260	u64 v2 = 0;
261
262	result = read_node(PS3_LPAR_ID_PME,
263		make_first_field("bus", bus_index),
264		make_field("dev", dev_index),
265		make_field("intr", intr_index),
266		0,
267		&v1, &v2);
268	*intr_type = v1;
269	*interrupt_id = v2;
270	return result;
271}
272
273int ps3_repository_read_dev_reg_type(unsigned int bus_index,
274	unsigned int dev_index, unsigned int reg_index,
275	enum ps3_reg_type *reg_type)
276{
277	int result;
278	u64 v1 = 0;
279
280	result = read_node(PS3_LPAR_ID_PME,
281		make_first_field("bus", bus_index),
282		make_field("dev", dev_index),
283		make_field("reg", reg_index),
284		make_field("type", 0),
285		&v1, NULL);
286	*reg_type = v1;
287	return result;
288}
289
290int ps3_repository_read_dev_reg_addr(unsigned int bus_index,
291	unsigned int dev_index, unsigned int reg_index, u64 *bus_addr, u64 *len)
292{
293	return read_node(PS3_LPAR_ID_PME,
294		make_first_field("bus", bus_index),
295		make_field("dev", dev_index),
296		make_field("reg", reg_index),
297		make_field("data", 0),
298		bus_addr, len);
299}
300
301int ps3_repository_read_dev_reg(unsigned int bus_index,
302	unsigned int dev_index, unsigned int reg_index,
303	enum ps3_reg_type *reg_type, u64 *bus_addr, u64 *len)
304{
305	int result = ps3_repository_read_dev_reg_type(bus_index, dev_index,
306		reg_index, reg_type);
307	return result ? result
308		: ps3_repository_read_dev_reg_addr(bus_index, dev_index,
309		reg_index, bus_addr, len);
310}
311
312
313
314int ps3_repository_find_device(struct ps3_repository_device *repo)
315{
316	int result;
317	struct ps3_repository_device tmp = *repo;
318	unsigned int num_dev;
319
320	BUG_ON(repo->bus_index > 10);
321	BUG_ON(repo->dev_index > 10);
322
323	result = ps3_repository_read_bus_num_dev(tmp.bus_index, &num_dev);
324
325	if (result) {
326		pr_devel("%s:%d read_bus_num_dev failed\n", __func__, __LINE__);
327		return result;
328	}
329
330	pr_devel("%s:%d: bus_type %u, bus_index %u, bus_id %llu, num_dev %u\n",
331		__func__, __LINE__, tmp.bus_type, tmp.bus_index, tmp.bus_id,
332		num_dev);
333
334	if (tmp.dev_index >= num_dev) {
335		pr_devel("%s:%d: no device found\n", __func__, __LINE__);
336		return -ENODEV;
337	}
338
339	result = ps3_repository_read_dev_type(tmp.bus_index, tmp.dev_index,
340		&tmp.dev_type);
341
342	if (result) {
343		pr_devel("%s:%d read_dev_type failed\n", __func__, __LINE__);
344		return result;
345	}
346
347	result = ps3_repository_read_dev_id(tmp.bus_index, tmp.dev_index,
348		&tmp.dev_id);
349
350	if (result) {
351		pr_devel("%s:%d ps3_repository_read_dev_id failed\n", __func__,
352		__LINE__);
353		return result;
354	}
355
356	pr_devel("%s:%d: found: dev_type %u, dev_index %u, dev_id %llu\n",
357		__func__, __LINE__, tmp.dev_type, tmp.dev_index, tmp.dev_id);
358
359	*repo = tmp;
360	return 0;
361}
362
363int ps3_repository_find_device_by_id(struct ps3_repository_device *repo,
364				     u64 bus_id, u64 dev_id)
365{
366	int result = -ENODEV;
367	struct ps3_repository_device tmp;
368	unsigned int num_dev;
369
370	pr_devel(" -> %s:%u: find device by id %llu:%llu\n", __func__, __LINE__,
371		 bus_id, dev_id);
372
373	for (tmp.bus_index = 0; tmp.bus_index < 10; tmp.bus_index++) {
374		result = ps3_repository_read_bus_id(tmp.bus_index,
375						    &tmp.bus_id);
376		if (result) {
377			pr_devel("%s:%u read_bus_id(%u) failed\n", __func__,
378				 __LINE__, tmp.bus_index);
379			return result;
380		}
381
382		if (tmp.bus_id == bus_id)
383			goto found_bus;
384
385		pr_devel("%s:%u: skip, bus_id %llu\n", __func__, __LINE__,
386			 tmp.bus_id);
387	}
388	pr_devel(" <- %s:%u: bus not found\n", __func__, __LINE__);
389	return result;
390
391found_bus:
392	result = ps3_repository_read_bus_type(tmp.bus_index, &tmp.bus_type);
393	if (result) {
394		pr_devel("%s:%u read_bus_type(%u) failed\n", __func__,
395			 __LINE__, tmp.bus_index);
396		return result;
397	}
398
399	result = ps3_repository_read_bus_num_dev(tmp.bus_index, &num_dev);
400	if (result) {
401		pr_devel("%s:%u read_bus_num_dev failed\n", __func__,
402			 __LINE__);
403		return result;
404	}
405
406	for (tmp.dev_index = 0; tmp.dev_index < num_dev; tmp.dev_index++) {
407		result = ps3_repository_read_dev_id(tmp.bus_index,
408						    tmp.dev_index,
409						    &tmp.dev_id);
410		if (result) {
411			pr_devel("%s:%u read_dev_id(%u:%u) failed\n", __func__,
412				 __LINE__, tmp.bus_index, tmp.dev_index);
413			return result;
414		}
415
416		if (tmp.dev_id == dev_id)
417			goto found_dev;
418
419		pr_devel("%s:%u: skip, dev_id %llu\n", __func__, __LINE__,
420			 tmp.dev_id);
421	}
422	pr_devel(" <- %s:%u: dev not found\n", __func__, __LINE__);
423	return result;
424
425found_dev:
426	result = ps3_repository_read_dev_type(tmp.bus_index, tmp.dev_index,
427					      &tmp.dev_type);
428	if (result) {
429		pr_devel("%s:%u read_dev_type failed\n", __func__, __LINE__);
430		return result;
431	}
432
433	pr_devel(" <- %s:%u: found: type (%u:%u) index (%u:%u) id (%llu:%llu)\n",
434		 __func__, __LINE__, tmp.bus_type, tmp.dev_type, tmp.bus_index,
435		 tmp.dev_index, tmp.bus_id, tmp.dev_id);
436	*repo = tmp;
437	return 0;
438}
439
440int ps3_repository_find_devices(enum ps3_bus_type bus_type,
441	int (*callback)(const struct ps3_repository_device *repo))
442{
443	int result = 0;
444	struct ps3_repository_device repo;
445
446	pr_devel(" -> %s:%d: find bus_type %u\n", __func__, __LINE__, bus_type);
447
448	repo.bus_type = bus_type;
449	result = ps3_repository_find_bus(repo.bus_type, 0, &repo.bus_index);
450	if (result) {
451		pr_devel(" <- %s:%u: bus not found\n", __func__, __LINE__);
452		return result;
453	}
454
455	result = ps3_repository_read_bus_id(repo.bus_index, &repo.bus_id);
456	if (result) {
457		pr_devel("%s:%d read_bus_id(%u) failed\n", __func__, __LINE__,
458			 repo.bus_index);
459		return result;
460	}
461
462	for (repo.dev_index = 0; ; repo.dev_index++) {
463		result = ps3_repository_find_device(&repo);
464		if (result == -ENODEV) {
465			result = 0;
466			break;
467		} else if (result)
468			break;
469
470		result = callback(&repo);
471		if (result) {
472			pr_devel("%s:%d: abort at callback\n", __func__,
473				__LINE__);
474			break;
475		}
476	}
477
478	pr_devel(" <- %s:%d\n", __func__, __LINE__);
479	return result;
480}
481
482int ps3_repository_find_bus(enum ps3_bus_type bus_type, unsigned int from,
483	unsigned int *bus_index)
484{
485	unsigned int i;
486	enum ps3_bus_type type;
487	int error;
488
489	for (i = from; i < 10; i++) {
490		error = ps3_repository_read_bus_type(i, &type);
491		if (error) {
492			pr_devel("%s:%d read_bus_type failed\n",
493				__func__, __LINE__);
494			*bus_index = UINT_MAX;
495			return error;
496		}
497		if (type == bus_type) {
498			*bus_index = i;
499			return 0;
500		}
501	}
502	*bus_index = UINT_MAX;
503	return -ENODEV;
504}
505
506int ps3_repository_find_interrupt(const struct ps3_repository_device *repo,
507	enum ps3_interrupt_type intr_type, unsigned int *interrupt_id)
508{
509	int result = 0;
510	unsigned int res_index;
511
512	pr_devel("%s:%d: find intr_type %u\n", __func__, __LINE__, intr_type);
513
514	*interrupt_id = UINT_MAX;
515
516	for (res_index = 0; res_index < 10; res_index++) {
517		enum ps3_interrupt_type t;
518		unsigned int id;
519
520		result = ps3_repository_read_dev_intr(repo->bus_index,
521			repo->dev_index, res_index, &t, &id);
522
523		if (result) {
524			pr_devel("%s:%d read_dev_intr failed\n",
525				__func__, __LINE__);
526			return result;
527		}
528
529		if (t == intr_type) {
530			*interrupt_id = id;
531			break;
532		}
533	}
534
535	if (res_index == 10)
536		return -ENODEV;
537
538	pr_devel("%s:%d: found intr_type %u at res_index %u\n",
539		__func__, __LINE__, intr_type, res_index);
540
541	return result;
542}
543
544int ps3_repository_find_reg(const struct ps3_repository_device *repo,
545	enum ps3_reg_type reg_type, u64 *bus_addr, u64 *len)
546{
547	int result = 0;
548	unsigned int res_index;
549
550	pr_devel("%s:%d: find reg_type %u\n", __func__, __LINE__, reg_type);
551
552	*bus_addr = *len = 0;
553
554	for (res_index = 0; res_index < 10; res_index++) {
555		enum ps3_reg_type t;
556		u64 a;
557		u64 l;
558
559		result = ps3_repository_read_dev_reg(repo->bus_index,
560			repo->dev_index, res_index, &t, &a, &l);
561
562		if (result) {
563			pr_devel("%s:%d read_dev_reg failed\n",
564				__func__, __LINE__);
565			return result;
566		}
567
568		if (t == reg_type) {
569			*bus_addr = a;
570			*len = l;
571			break;
572		}
573	}
574
575	if (res_index == 10)
576		return -ENODEV;
577
578	pr_devel("%s:%d: found reg_type %u at res_index %u\n",
579		__func__, __LINE__, reg_type, res_index);
580
581	return result;
582}
583
584int ps3_repository_read_stor_dev_port(unsigned int bus_index,
585	unsigned int dev_index, u64 *port)
586{
587	return read_node(PS3_LPAR_ID_PME,
588		make_first_field("bus", bus_index),
589		make_field("dev", dev_index),
590		make_field("port", 0),
591		0, port, NULL);
592}
593
594int ps3_repository_read_stor_dev_blk_size(unsigned int bus_index,
595	unsigned int dev_index, u64 *blk_size)
596{
597	return read_node(PS3_LPAR_ID_PME,
598		make_first_field("bus", bus_index),
599		make_field("dev", dev_index),
600		make_field("blk_size", 0),
601		0, blk_size, NULL);
602}
603
604int ps3_repository_read_stor_dev_num_blocks(unsigned int bus_index,
605	unsigned int dev_index, u64 *num_blocks)
606{
607	return read_node(PS3_LPAR_ID_PME,
608		make_first_field("bus", bus_index),
609		make_field("dev", dev_index),
610		make_field("n_blocks", 0),
611		0, num_blocks, NULL);
612}
613
614int ps3_repository_read_stor_dev_num_regions(unsigned int bus_index,
615	unsigned int dev_index, unsigned int *num_regions)
616{
617	int result;
618	u64 v1 = 0;
619
620	result = read_node(PS3_LPAR_ID_PME,
621		make_first_field("bus", bus_index),
622		make_field("dev", dev_index),
623		make_field("n_regs", 0),
624		0, &v1, NULL);
625	*num_regions = v1;
626	return result;
627}
628
629int ps3_repository_read_stor_dev_region_id(unsigned int bus_index,
630	unsigned int dev_index, unsigned int region_index,
631	unsigned int *region_id)
632{
633	int result;
634	u64 v1 = 0;
635
636	result = 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("id", 0),
641	    &v1, NULL);
642	*region_id = v1;
643	return result;
644}
645
646int ps3_repository_read_stor_dev_region_size(unsigned int bus_index,
647	unsigned int dev_index,	unsigned int region_index, u64 *region_size)
648{
649	return read_node(PS3_LPAR_ID_PME,
650	    make_first_field("bus", bus_index),
651	    make_field("dev", dev_index),
652	    make_field("region", region_index),
653	    make_field("size", 0),
654	    region_size, NULL);
655}
656
657int ps3_repository_read_stor_dev_region_start(unsigned int bus_index,
658	unsigned int dev_index, unsigned int region_index, u64 *region_start)
659{
660	return read_node(PS3_LPAR_ID_PME,
661	    make_first_field("bus", bus_index),
662	    make_field("dev", dev_index),
663	    make_field("region", region_index),
664	    make_field("start", 0),
665	    region_start, NULL);
666}
667
668int ps3_repository_read_stor_dev_info(unsigned int bus_index,
669	unsigned int dev_index, u64 *port, u64 *blk_size,
670	u64 *num_blocks, unsigned int *num_regions)
671{
672	int result;
673
674	result = ps3_repository_read_stor_dev_port(bus_index, dev_index, port);
675	if (result)
676	    return result;
677
678	result = ps3_repository_read_stor_dev_blk_size(bus_index, dev_index,
679		blk_size);
680	if (result)
681	    return result;
682
683	result = ps3_repository_read_stor_dev_num_blocks(bus_index, dev_index,
684		num_blocks);
685	if (result)
686	    return result;
687
688	result = ps3_repository_read_stor_dev_num_regions(bus_index, dev_index,
689		num_regions);
690	return result;
691}
692
693int ps3_repository_read_stor_dev_region(unsigned int bus_index,
694	unsigned int dev_index, unsigned int region_index,
695	unsigned int *region_id, u64 *region_start, u64 *region_size)
696{
697	int result;
698
699	result = ps3_repository_read_stor_dev_region_id(bus_index, dev_index,
700		region_index, region_id);
701	if (result)
702	    return result;
703
704	result = ps3_repository_read_stor_dev_region_start(bus_index, dev_index,
705		region_index, region_start);
706	if (result)
707	    return result;
708
709	result = ps3_repository_read_stor_dev_region_size(bus_index, dev_index,
710		region_index, region_size);
711	return result;
712}
713
714/**
715 * ps3_repository_read_num_pu - Number of logical PU processors for this lpar.
716 */
717
718int ps3_repository_read_num_pu(u64 *num_pu)
719{
720	*num_pu = 0;
721	return read_node(PS3_LPAR_ID_CURRENT,
722			   make_first_field("bi", 0),
723			   make_field("pun", 0),
724			   0, 0,
725			   num_pu, NULL);
726}
727
728/**
729 * ps3_repository_read_pu_id - Read the logical PU id.
730 * @pu_index: Zero based index.
731 * @pu_id: The logical PU id.
732 */
733
734int ps3_repository_read_pu_id(unsigned int pu_index, u64 *pu_id)
735{
736	return read_node(PS3_LPAR_ID_CURRENT,
737		make_first_field("bi", 0),
738		make_field("pu", pu_index),
739		0, 0,
740		pu_id, NULL);
741}
742
743int ps3_repository_read_rm_size(unsigned int ppe_id, u64 *rm_size)
744{
745	return read_node(PS3_LPAR_ID_CURRENT,
746		make_first_field("bi", 0),
747		make_field("pu", 0),
748		ppe_id,
749		make_field("rm_size", 0),
750		rm_size, NULL);
751}
752
753int ps3_repository_read_region_total(u64 *region_total)
754{
755	return read_node(PS3_LPAR_ID_CURRENT,
756		make_first_field("bi", 0),
757		make_field("rgntotal", 0),
758		0, 0,
759		region_total, NULL);
760}
761
762/**
763 * ps3_repository_read_mm_info - Read mm info for single pu system.
764 * @rm_base: Real mode memory base address.
765 * @rm_size: Real mode memory size.
766 * @region_total: Maximum memory region size.
767 */
768
769int ps3_repository_read_mm_info(u64 *rm_base, u64 *rm_size, u64 *region_total)
770{
771	int result;
772	u64 ppe_id;
773
774	lv1_get_logical_ppe_id(&ppe_id);
775	*rm_base = 0;
776	result = ps3_repository_read_rm_size(ppe_id, rm_size);
777	return result ? result
778		: ps3_repository_read_region_total(region_total);
779}
780
781/**
782 * ps3_repository_read_highmem_region_count - Read the number of highmem regions
783 *
784 * Bootloaders must arrange the repository nodes such that regions are indexed
785 * with a region_index from 0 to region_count-1.
786 */
787
788int ps3_repository_read_highmem_region_count(unsigned int *region_count)
789{
790	int result;
791	u64 v1 = 0;
792
793	result = read_node(PS3_LPAR_ID_CURRENT,
794		make_first_field("highmem", 0),
795		make_field("region", 0),
796		make_field("count", 0),
797		0,
798		&v1, NULL);
799	*region_count = v1;
800	return result;
801}
802
803
804int ps3_repository_read_highmem_base(unsigned int region_index,
805	u64 *highmem_base)
806{
807	return read_node(PS3_LPAR_ID_CURRENT,
808		make_first_field("highmem", 0),
809		make_field("region", region_index),
810		make_field("base", 0),
811		0,
812		highmem_base, NULL);
813}
814
815int ps3_repository_read_highmem_size(unsigned int region_index,
816	u64 *highmem_size)
817{
818	return read_node(PS3_LPAR_ID_CURRENT,
819		make_first_field("highmem", 0),
820		make_field("region", region_index),
821		make_field("size", 0),
822		0,
823		highmem_size, NULL);
824}
825
826/**
827 * ps3_repository_read_highmem_info - Read high memory region info
828 * @region_index: Region index, {0,..,region_count-1}.
829 * @highmem_base: High memory base address.
830 * @highmem_size: High memory size.
831 *
832 * Bootloaders that preallocate highmem regions must place the
833 * region info into the repository at these well known nodes.
834 */
835
836int ps3_repository_read_highmem_info(unsigned int region_index,
837	u64 *highmem_base, u64 *highmem_size)
838{
839	int result;
840
841	*highmem_base = 0;
842	result = ps3_repository_read_highmem_base(region_index, highmem_base);
843	return result ? result
844		: ps3_repository_read_highmem_size(region_index, highmem_size);
845}
846
847/**
848 * ps3_repository_read_num_spu_reserved - Number of physical spus reserved.
849 * @num_spu: Number of physical spus.
850 */
851
852int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved)
853{
854	int result;
855	u64 v1 = 0;
856
857	result = read_node(PS3_LPAR_ID_CURRENT,
858		make_first_field("bi", 0),
859		make_field("spun", 0),
860		0, 0,
861		&v1, NULL);
862	*num_spu_reserved = v1;
863	return result;
864}
865
866/**
867 * ps3_repository_read_num_spu_resource_id - Number of spu resource reservations.
868 * @num_resource_id: Number of spu resource ids.
869 */
870
871int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id)
872{
873	int result;
874	u64 v1 = 0;
875
876	result = read_node(PS3_LPAR_ID_CURRENT,
877		make_first_field("bi", 0),
878		make_field("spursvn", 0),
879		0, 0,
880		&v1, NULL);
881	*num_resource_id = v1;
882	return result;
883}
884
885/**
886 * ps3_repository_read_spu_resource_id - spu resource reservation id value.
887 * @res_index: Resource reservation index.
888 * @resource_type: Resource reservation type.
889 * @resource_id: Resource reservation id.
890 */
891
892int ps3_repository_read_spu_resource_id(unsigned int res_index,
893	enum ps3_spu_resource_type *resource_type, unsigned int *resource_id)
894{
895	int result;
896	u64 v1 = 0;
897	u64 v2 = 0;
898
899	result = read_node(PS3_LPAR_ID_CURRENT,
900		make_first_field("bi", 0),
901		make_field("spursv", 0),
902		res_index,
903		0,
904		&v1, &v2);
905	*resource_type = v1;
906	*resource_id = v2;
907	return result;
908}
909
910static int ps3_repository_read_boot_dat_address(u64 *address)
911{
912	return read_node(PS3_LPAR_ID_CURRENT,
913		make_first_field("bi", 0),
914		make_field("boot_dat", 0),
915		make_field("address", 0),
916		0,
917		address, NULL);
918}
919
920int ps3_repository_read_boot_dat_size(unsigned int *size)
921{
922	int result;
923	u64 v1 = 0;
924
925	result = read_node(PS3_LPAR_ID_CURRENT,
926		make_first_field("bi", 0),
927		make_field("boot_dat", 0),
928		make_field("size", 0),
929		0,
930		&v1, NULL);
931	*size = v1;
932	return result;
933}
934
935int ps3_repository_read_vuart_av_port(unsigned int *port)
936{
937	int result;
938	u64 v1 = 0;
939
940	result = read_node(PS3_LPAR_ID_CURRENT,
941		make_first_field("bi", 0),
942		make_field("vir_uart", 0),
943		make_field("port", 0),
944		make_field("avset", 0),
945		&v1, NULL);
946	*port = v1;
947	return result;
948}
949
950int ps3_repository_read_vuart_sysmgr_port(unsigned int *port)
951{
952	int result;
953	u64 v1 = 0;
954
955	result = read_node(PS3_LPAR_ID_CURRENT,
956		make_first_field("bi", 0),
957		make_field("vir_uart", 0),
958		make_field("port", 0),
959		make_field("sysmgr", 0),
960		&v1, NULL);
961	*port = v1;
962	return result;
963}
964
965/**
966  * ps3_repository_read_boot_dat_info - Get address and size of cell_ext_os_area.
967  * address: lpar address of cell_ext_os_area
968  * @size: size of cell_ext_os_area
969  */
970
971int ps3_repository_read_boot_dat_info(u64 *lpar_addr, unsigned int *size)
972{
973	int result;
974
975	*size = 0;
976	result = ps3_repository_read_boot_dat_address(lpar_addr);
977	return result ? result
978		: ps3_repository_read_boot_dat_size(size);
979}
980
981/**
982 * ps3_repository_read_num_be - Number of physical BE processors in the system.
983 */
984
985int ps3_repository_read_num_be(unsigned int *num_be)
986{
987	int result;
988	u64 v1 = 0;
989
990	result = read_node(PS3_LPAR_ID_PME,
991		make_first_field("ben", 0),
992		0,
993		0,
994		0,
995		&v1, NULL);
996	*num_be = v1;
997	return result;
998}
999
1000/**
1001 * ps3_repository_read_be_node_id - Read the physical BE processor node id.
1002 * @be_index: Zero based index.
1003 * @node_id: The BE processor node id.
1004 */
1005
1006int ps3_repository_read_be_node_id(unsigned int be_index, u64 *node_id)
1007{
1008	return read_node(PS3_LPAR_ID_PME,
1009		make_first_field("be", be_index),
1010		0,
1011		0,
1012		0,
1013		node_id, NULL);
1014}
1015
1016/**
1017 * ps3_repository_read_be_id - Read the physical BE processor id.
1018 * @node_id: The BE processor node id.
1019 * @be_id: The BE processor id.
1020 */
1021
1022int ps3_repository_read_be_id(u64 node_id, u64 *be_id)
1023{
1024	return read_node(PS3_LPAR_ID_PME,
1025		make_first_field("be", 0),
1026		node_id,
1027		0,
1028		0,
1029		be_id, NULL);
1030}
1031
1032int ps3_repository_read_tb_freq(u64 node_id, u64 *tb_freq)
1033{
1034	return read_node(PS3_LPAR_ID_PME,
1035		make_first_field("be", 0),
1036		node_id,
1037		make_field("clock", 0),
1038		0,
1039		tb_freq, NULL);
1040}
1041
1042int ps3_repository_read_be_tb_freq(unsigned int be_index, u64 *tb_freq)
1043{
1044	int result;
1045	u64 node_id;
1046
1047	*tb_freq = 0;
1048	result = ps3_repository_read_be_node_id(be_index, &node_id);
1049	return result ? result
1050		: ps3_repository_read_tb_freq(node_id, tb_freq);
1051}
1052
1053int ps3_repository_read_lpm_privileges(unsigned int be_index, u64 *lpar,
1054	u64 *rights)
1055{
1056	int result;
1057	u64 node_id;
1058
1059	*lpar = 0;
1060	*rights = 0;
1061	result = ps3_repository_read_be_node_id(be_index, &node_id);
1062	return result ? result
1063		: read_node(PS3_LPAR_ID_PME,
1064			    make_first_field("be", 0),
1065			    node_id,
1066			    make_field("lpm", 0),
1067			    make_field("priv", 0),
1068			    lpar, rights);
1069}
1070
1071#if defined(CONFIG_PS3_REPOSITORY_WRITE)
1072
1073static int create_node(u64 n1, u64 n2, u64 n3, u64 n4, u64 v1, u64 v2)
1074{
1075	int result;
1076
1077	dump_node(0, n1, n2, n3, n4, v1, v2);
1078
1079	result = lv1_create_repository_node(n1, n2, n3, n4, v1, v2);
1080
1081	if (result) {
1082		pr_devel("%s:%d: lv1_create_repository_node failed: %s\n",
1083			__func__, __LINE__, ps3_result(result));
1084		return -ENOENT;
1085	}
1086
1087	return 0;
1088}
1089
1090static int delete_node(u64 n1, u64 n2, u64 n3, u64 n4)
1091{
1092	int result;
1093
1094	dump_node(0, n1, n2, n3, n4, 0, 0);
1095
1096	result = lv1_delete_repository_node(n1, n2, n3, n4);
1097
1098	if (result) {
1099		pr_devel("%s:%d: lv1_delete_repository_node failed: %s\n",
1100			__func__, __LINE__, ps3_result(result));
1101		return -ENOENT;
1102	}
1103
1104	return 0;
1105}
1106
1107static int write_node(u64 n1, u64 n2, u64 n3, u64 n4, u64 v1, u64 v2)
1108{
1109	int result;
1110
1111	result = create_node(n1, n2, n3, n4, v1, v2);
1112
1113	if (!result)
1114		return 0;
1115
1116	result = lv1_write_repository_node(n1, n2, n3, n4, v1, v2);
1117
1118	if (result) {
1119		pr_devel("%s:%d: lv1_write_repository_node failed: %s\n",
1120			__func__, __LINE__, ps3_result(result));
1121		return -ENOENT;
1122	}
1123
1124	return 0;
1125}
1126
1127int ps3_repository_write_highmem_region_count(unsigned int region_count)
1128{
1129	int result;
1130	u64 v1 = (u64)region_count;
1131
1132	result = write_node(
1133		make_first_field("highmem", 0),
1134		make_field("region", 0),
1135		make_field("count", 0),
1136		0,
1137		v1, 0);
1138	return result;
1139}
1140
1141int ps3_repository_write_highmem_base(unsigned int region_index,
1142	u64 highmem_base)
1143{
1144	return write_node(
1145		make_first_field("highmem", 0),
1146		make_field("region", region_index),
1147		make_field("base", 0),
1148		0,
1149		highmem_base, 0);
1150}
1151
1152int ps3_repository_write_highmem_size(unsigned int region_index,
1153	u64 highmem_size)
1154{
1155	return write_node(
1156		make_first_field("highmem", 0),
1157		make_field("region", region_index),
1158		make_field("size", 0),
1159		0,
1160		highmem_size, 0);
1161}
1162
1163int ps3_repository_write_highmem_info(unsigned int region_index,
1164	u64 highmem_base, u64 highmem_size)
1165{
1166	int result;
1167
1168	result = ps3_repository_write_highmem_base(region_index, highmem_base);
1169	return result ? result
1170		: ps3_repository_write_highmem_size(region_index, highmem_size);
1171}
1172
1173static int ps3_repository_delete_highmem_base(unsigned int region_index)
1174{
1175	return delete_node(
1176		make_first_field("highmem", 0),
1177		make_field("region", region_index),
1178		make_field("base", 0),
1179		0);
1180}
1181
1182static int ps3_repository_delete_highmem_size(unsigned int region_index)
1183{
1184	return delete_node(
1185		make_first_field("highmem", 0),
1186		make_field("region", region_index),
1187		make_field("size", 0),
1188		0);
1189}
1190
1191int ps3_repository_delete_highmem_info(unsigned int region_index)
1192{
1193	int result;
1194
1195	result = ps3_repository_delete_highmem_base(region_index);
1196	result += ps3_repository_delete_highmem_size(region_index);
1197
1198	return result ? -1 : 0;
1199}
1200
1201#endif /* defined(CONFIG_PS3_WRITE_REPOSITORY) */
1202
1203#if defined(DEBUG)
1204
1205int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo)
1206{
1207	int result = 0;
1208	unsigned int res_index;
1209
1210	pr_devel(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
1211		repo->bus_index, repo->dev_index);
1212
1213	for (res_index = 0; res_index < 10; res_index++) {
1214		enum ps3_interrupt_type intr_type;
1215		unsigned int interrupt_id;
1216
1217		result = ps3_repository_read_dev_intr(repo->bus_index,
1218			repo->dev_index, res_index, &intr_type, &interrupt_id);
1219
1220		if (result) {
1221			if (result !=  LV1_NO_ENTRY)
1222				pr_devel("%s:%d ps3_repository_read_dev_intr"
1223					" (%u:%u) failed\n", __func__, __LINE__,
1224					repo->bus_index, repo->dev_index);
1225			break;
1226		}
1227
1228		pr_devel("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n",
1229			__func__, __LINE__, repo->bus_index, repo->dev_index,
1230			intr_type, interrupt_id);
1231	}
1232
1233	for (res_index = 0; res_index < 10; res_index++) {
1234		enum ps3_reg_type reg_type;
1235		u64 bus_addr;
1236		u64 len;
1237
1238		result = ps3_repository_read_dev_reg(repo->bus_index,
1239			repo->dev_index, res_index, &reg_type, &bus_addr, &len);
1240
1241		if (result) {
1242			if (result !=  LV1_NO_ENTRY)
1243				pr_devel("%s:%d ps3_repository_read_dev_reg"
1244					" (%u:%u) failed\n", __func__, __LINE__,
1245					repo->bus_index, repo->dev_index);
1246			break;
1247		}
1248
1249		pr_devel("%s:%d (%u:%u) reg_type %u, bus_addr %llxh, len %llxh\n",
1250			__func__, __LINE__, repo->bus_index, repo->dev_index,
1251			reg_type, bus_addr, len);
1252	}
1253
1254	pr_devel(" <- %s:%d\n", __func__, __LINE__);
1255	return result;
1256}
1257
1258static int dump_stor_dev_info(struct ps3_repository_device *repo)
1259{
1260	int result = 0;
1261	unsigned int num_regions, region_index;
1262	u64 port, blk_size, num_blocks;
1263
1264	pr_devel(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
1265		repo->bus_index, repo->dev_index);
1266
1267	result = ps3_repository_read_stor_dev_info(repo->bus_index,
1268		repo->dev_index, &port, &blk_size, &num_blocks, &num_regions);
1269	if (result) {
1270		pr_devel("%s:%d ps3_repository_read_stor_dev_info"
1271			" (%u:%u) failed\n", __func__, __LINE__,
1272			repo->bus_index, repo->dev_index);
1273		goto out;
1274	}
1275
1276	pr_devel("%s:%d  (%u:%u): port %llu, blk_size %llu, num_blocks "
1277		 "%llu, num_regions %u\n",
1278		 __func__, __LINE__, repo->bus_index, repo->dev_index,
1279		port, blk_size, num_blocks, num_regions);
1280
1281	for (region_index = 0; region_index < num_regions; region_index++) {
1282		unsigned int region_id;
1283		u64 region_start, region_size;
1284
1285		result = ps3_repository_read_stor_dev_region(repo->bus_index,
1286			repo->dev_index, region_index, &region_id,
1287			&region_start, &region_size);
1288		if (result) {
1289			 pr_devel("%s:%d ps3_repository_read_stor_dev_region"
1290				  " (%u:%u) failed\n", __func__, __LINE__,
1291				  repo->bus_index, repo->dev_index);
1292			break;
1293		}
1294
1295		pr_devel("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n",
1296			__func__, __LINE__, repo->bus_index, repo->dev_index,
1297			region_id, (unsigned long)region_start,
1298			(unsigned long)region_size);
1299	}
1300
1301out:
1302	pr_devel(" <- %s:%d\n", __func__, __LINE__);
1303	return result;
1304}
1305
1306static int dump_device_info(struct ps3_repository_device *repo,
1307	unsigned int num_dev)
1308{
1309	int result = 0;
1310
1311	pr_devel(" -> %s:%d: bus_%u\n", __func__, __LINE__, repo->bus_index);
1312
1313	for (repo->dev_index = 0; repo->dev_index < num_dev;
1314		repo->dev_index++) {
1315
1316		result = ps3_repository_read_dev_type(repo->bus_index,
1317			repo->dev_index, &repo->dev_type);
1318
1319		if (result) {
1320			pr_devel("%s:%d ps3_repository_read_dev_type"
1321				" (%u:%u) failed\n", __func__, __LINE__,
1322				repo->bus_index, repo->dev_index);
1323			break;
1324		}
1325
1326		result = ps3_repository_read_dev_id(repo->bus_index,
1327			repo->dev_index, &repo->dev_id);
1328
1329		if (result) {
1330			pr_devel("%s:%d ps3_repository_read_dev_id"
1331				" (%u:%u) failed\n", __func__, __LINE__,
1332				repo->bus_index, repo->dev_index);
1333			continue;
1334		}
1335
1336		pr_devel("%s:%d  (%u:%u): dev_type %u, dev_id %lu\n", __func__,
1337			__LINE__, repo->bus_index, repo->dev_index,
1338			repo->dev_type, (unsigned long)repo->dev_id);
1339
1340		ps3_repository_dump_resource_info(repo);
1341
1342		if (repo->bus_type == PS3_BUS_TYPE_STORAGE)
1343			dump_stor_dev_info(repo);
1344	}
1345
1346	pr_devel(" <- %s:%d\n", __func__, __LINE__);
1347	return result;
1348}
1349
1350int ps3_repository_dump_bus_info(void)
1351{
1352	int result = 0;
1353	struct ps3_repository_device repo;
1354
1355	pr_devel(" -> %s:%d\n", __func__, __LINE__);
1356
1357	memset(&repo, 0, sizeof(repo));
1358
1359	for (repo.bus_index = 0; repo.bus_index < 10; repo.bus_index++) {
1360		unsigned int num_dev;
1361
1362		result = ps3_repository_read_bus_type(repo.bus_index,
1363			&repo.bus_type);
1364
1365		if (result) {
1366			pr_devel("%s:%d read_bus_type(%u) failed\n",
1367				__func__, __LINE__, repo.bus_index);
1368			break;
1369		}
1370
1371		result = ps3_repository_read_bus_id(repo.bus_index,
1372			&repo.bus_id);
1373
1374		if (result) {
1375			pr_devel("%s:%d read_bus_id(%u) failed\n",
1376				__func__, __LINE__, repo.bus_index);
1377			continue;
1378		}
1379
1380		if (repo.bus_index != repo.bus_id)
1381			pr_devel("%s:%d bus_index != bus_id\n",
1382				__func__, __LINE__);
1383
1384		result = ps3_repository_read_bus_num_dev(repo.bus_index,
1385			&num_dev);
1386
1387		if (result) {
1388			pr_devel("%s:%d read_bus_num_dev(%u) failed\n",
1389				__func__, __LINE__, repo.bus_index);
1390			continue;
1391		}
1392
1393		pr_devel("%s:%d bus_%u: bus_type %u, bus_id %lu, num_dev %u\n",
1394			__func__, __LINE__, repo.bus_index, repo.bus_type,
1395			(unsigned long)repo.bus_id, num_dev);
1396
1397		dump_device_info(&repo, num_dev);
1398	}
1399
1400	pr_devel(" <- %s:%d\n", __func__, __LINE__);
1401	return result;
1402}
1403
1404#endif /* defined(DEBUG) */
1405