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__)
_dump_field(const char * hdr,u64 n,const char * func,int 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%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__)
_dump_node_name(unsigned int lpar_id,u64 n1,u64 n2,u64 n3,u64 n4,const char * func,int 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__)
_dump_node(unsigned int lpar_id,u64 n1,u64 n2,u64 n3,u64 n4,u64 v1,u64 v2,const char * func,int 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: %016llx\n", func, line, v1);
74 	pr_debug("%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 
make_first_field(const char * text,u64 index)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 
make_field(const char * text,u64 index)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 
read_node(unsigned int lpar_id,u64 n1,u64 n2,u64 n3,u64 n4,u64 * _v1,u64 * _v2)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 -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_debug("%s:%d: warning: discarding non-zero v1: %016llx\n",
153 			__func__, __LINE__, v1);
154 	if (v2 && !_v2)
155 		pr_debug("%s:%d: warning: discarding non-zero v2: %016llx\n",
156 			__func__, __LINE__, v2);
157 
158 	return 0;
159 }
160 
ps3_repository_read_bus_str(unsigned int bus_index,const char * bus_str,u64 * value)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, NULL);
169 }
170 
ps3_repository_read_bus_id(unsigned int bus_index,u64 * bus_id)171 int 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 
ps3_repository_read_bus_type(unsigned int bus_index,enum ps3_bus_type * bus_type)183 int ps3_repository_read_bus_type(unsigned int bus_index,
184 	enum ps3_bus_type *bus_type)
185 {
186 	int result;
187 	u64 v1;
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 
ps3_repository_read_bus_num_dev(unsigned int bus_index,unsigned int * num_dev)198 int ps3_repository_read_bus_num_dev(unsigned int bus_index,
199 	unsigned int *num_dev)
200 {
201 	int result;
202 	u64 v1;
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 
ps3_repository_read_dev_str(unsigned int bus_index,unsigned int dev_index,const char * dev_str,u64 * value)213 int 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 
ps3_repository_read_dev_id(unsigned int bus_index,unsigned int dev_index,u64 * dev_id)224 int 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 
ps3_repository_read_dev_type(unsigned int bus_index,unsigned int dev_index,enum ps3_dev_type * dev_type)238 int 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;
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 
ps3_repository_read_dev_intr(unsigned int bus_index,unsigned int dev_index,unsigned int intr_index,enum ps3_interrupt_type * intr_type,unsigned int * interrupt_id)254 int 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;
260 	u64 v2;
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 
ps3_repository_read_dev_reg_type(unsigned int bus_index,unsigned int dev_index,unsigned int reg_index,enum ps3_reg_type * reg_type)273 int 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;
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 
ps3_repository_read_dev_reg_addr(unsigned int bus_index,unsigned int dev_index,unsigned int reg_index,u64 * bus_addr,u64 * len)290 int 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 
ps3_repository_read_dev_reg(unsigned int bus_index,unsigned int dev_index,unsigned int reg_index,enum ps3_reg_type * reg_type,u64 * bus_addr,u64 * len)301 int 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 
ps3_repository_find_device(struct ps3_repository_device * repo)314 int 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_debug("%s:%d read_bus_num_dev failed\n", __func__, __LINE__);
327 		return result;
328 	}
329 
330 	pr_debug("%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_debug("%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_debug("%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_debug("%s:%d ps3_repository_read_dev_id failed\n", __func__,
352 		__LINE__);
353 		return result;
354 	}
355 
356 	pr_debug("%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 
ps3_repository_find_device_by_id(struct ps3_repository_device * repo,u64 bus_id,u64 dev_id)363 int 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_debug(" -> %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_debug("%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_debug("%s:%u: skip, bus_id %llu\n", __func__, __LINE__,
386 			 tmp.bus_id);
387 	}
388 	pr_debug(" <- %s:%u: bus not found\n", __func__, __LINE__);
389 	return result;
390 
391 found_bus:
392 	result = ps3_repository_read_bus_type(tmp.bus_index, &tmp.bus_type);
393 	if (result) {
394 		pr_debug("%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_debug("%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_debug("%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_debug("%s:%u: skip, dev_id %llu\n", __func__, __LINE__,
420 			 tmp.dev_id);
421 	}
422 	pr_debug(" <- %s:%u: dev not found\n", __func__, __LINE__);
423 	return result;
424 
425 found_dev:
426 	result = ps3_repository_read_dev_type(tmp.bus_index, tmp.dev_index,
427 					      &tmp.dev_type);
428 	if (result) {
429 		pr_debug("%s:%u read_dev_type failed\n", __func__, __LINE__);
430 		return result;
431 	}
432 
433 	pr_debug(" <- %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 
ps3_repository_find_devices(enum ps3_bus_type bus_type,int (* callback)(const struct ps3_repository_device * repo))440 int __devinit 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_debug(" -> %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_debug(" <- %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_debug("%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_debug("%s:%d: abort at callback\n", __func__,
473 				__LINE__);
474 			break;
475 		}
476 	}
477 
478 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
479 	return result;
480 }
481 
ps3_repository_find_bus(enum ps3_bus_type bus_type,unsigned int from,unsigned int * bus_index)482 int 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_debug("%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 
ps3_repository_find_interrupt(const struct ps3_repository_device * repo,enum ps3_interrupt_type intr_type,unsigned int * interrupt_id)506 int 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_debug("%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_debug("%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_debug("%s:%d: found intr_type %u at res_index %u\n",
539 		__func__, __LINE__, intr_type, res_index);
540 
541 	return result;
542 }
543 
ps3_repository_find_reg(const struct ps3_repository_device * repo,enum ps3_reg_type reg_type,u64 * bus_addr,u64 * len)544 int 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_debug("%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_debug("%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_debug("%s:%d: found reg_type %u at res_index %u\n",
579 		__func__, __LINE__, reg_type, res_index);
580 
581 	return result;
582 }
583 
ps3_repository_read_stor_dev_port(unsigned int bus_index,unsigned int dev_index,u64 * port)584 int 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 
ps3_repository_read_stor_dev_blk_size(unsigned int bus_index,unsigned int dev_index,u64 * blk_size)594 int 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 
ps3_repository_read_stor_dev_num_blocks(unsigned int bus_index,unsigned int dev_index,u64 * num_blocks)604 int 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 
ps3_repository_read_stor_dev_num_regions(unsigned int bus_index,unsigned int dev_index,unsigned int * num_regions)614 int 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;
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 
ps3_repository_read_stor_dev_region_id(unsigned int bus_index,unsigned int dev_index,unsigned int region_index,unsigned int * region_id)629 int 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;
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 
ps3_repository_read_stor_dev_region_size(unsigned int bus_index,unsigned int dev_index,unsigned int region_index,u64 * region_size)646 int 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 
ps3_repository_read_stor_dev_region_start(unsigned int bus_index,unsigned int dev_index,unsigned int region_index,u64 * region_start)657 int 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 
ps3_repository_read_stor_dev_info(unsigned int bus_index,unsigned int dev_index,u64 * port,u64 * blk_size,u64 * num_blocks,unsigned int * num_regions)668 int 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 
ps3_repository_read_stor_dev_region(unsigned int bus_index,unsigned int dev_index,unsigned int region_index,unsigned int * region_id,u64 * region_start,u64 * region_size)693 int 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 
ps3_repository_read_num_pu(u64 * num_pu)718 int 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 
ps3_repository_read_pu_id(unsigned int pu_index,u64 * pu_id)734 int 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 
ps3_repository_read_rm_size(unsigned int ppe_id,u64 * rm_size)743 int 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 
ps3_repository_read_region_total(u64 * region_total)753 int 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 
ps3_repository_read_mm_info(u64 * rm_base,u64 * rm_size,u64 * region_total)769 int 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_num_spu_reserved - Number of physical spus reserved.
783  * @num_spu: Number of physical spus.
784  */
785 
ps3_repository_read_num_spu_reserved(unsigned int * num_spu_reserved)786 int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved)
787 {
788 	int result;
789 	u64 v1;
790 
791 	result = read_node(PS3_LPAR_ID_CURRENT,
792 		make_first_field("bi", 0),
793 		make_field("spun", 0),
794 		0, 0,
795 		&v1, NULL);
796 	*num_spu_reserved = v1;
797 	return result;
798 }
799 
800 /**
801  * ps3_repository_read_num_spu_resource_id - Number of spu resource reservations.
802  * @num_resource_id: Number of spu resource ids.
803  */
804 
ps3_repository_read_num_spu_resource_id(unsigned int * num_resource_id)805 int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id)
806 {
807 	int result;
808 	u64 v1;
809 
810 	result = read_node(PS3_LPAR_ID_CURRENT,
811 		make_first_field("bi", 0),
812 		make_field("spursvn", 0),
813 		0, 0,
814 		&v1, NULL);
815 	*num_resource_id = v1;
816 	return result;
817 }
818 
819 /**
820  * ps3_repository_read_spu_resource_id - spu resource reservation id value.
821  * @res_index: Resource reservation index.
822  * @resource_type: Resource reservation type.
823  * @resource_id: Resource reservation id.
824  */
825 
ps3_repository_read_spu_resource_id(unsigned int res_index,enum ps3_spu_resource_type * resource_type,unsigned int * resource_id)826 int ps3_repository_read_spu_resource_id(unsigned int res_index,
827 	enum ps3_spu_resource_type *resource_type, unsigned int *resource_id)
828 {
829 	int result;
830 	u64 v1;
831 	u64 v2;
832 
833 	result = read_node(PS3_LPAR_ID_CURRENT,
834 		make_first_field("bi", 0),
835 		make_field("spursv", 0),
836 		res_index,
837 		0,
838 		&v1, &v2);
839 	*resource_type = v1;
840 	*resource_id = v2;
841 	return result;
842 }
843 
ps3_repository_read_boot_dat_address(u64 * address)844 static int ps3_repository_read_boot_dat_address(u64 *address)
845 {
846 	return read_node(PS3_LPAR_ID_CURRENT,
847 		make_first_field("bi", 0),
848 		make_field("boot_dat", 0),
849 		make_field("address", 0),
850 		0,
851 		address, NULL);
852 }
853 
ps3_repository_read_boot_dat_size(unsigned int * size)854 int ps3_repository_read_boot_dat_size(unsigned int *size)
855 {
856 	int result;
857 	u64 v1;
858 
859 	result = read_node(PS3_LPAR_ID_CURRENT,
860 		make_first_field("bi", 0),
861 		make_field("boot_dat", 0),
862 		make_field("size", 0),
863 		0,
864 		&v1, NULL);
865 	*size = v1;
866 	return result;
867 }
868 
ps3_repository_read_vuart_av_port(unsigned int * port)869 int ps3_repository_read_vuart_av_port(unsigned int *port)
870 {
871 	int result;
872 	u64 v1;
873 
874 	result = read_node(PS3_LPAR_ID_CURRENT,
875 		make_first_field("bi", 0),
876 		make_field("vir_uart", 0),
877 		make_field("port", 0),
878 		make_field("avset", 0),
879 		&v1, NULL);
880 	*port = v1;
881 	return result;
882 }
883 
ps3_repository_read_vuart_sysmgr_port(unsigned int * port)884 int ps3_repository_read_vuart_sysmgr_port(unsigned int *port)
885 {
886 	int result;
887 	u64 v1;
888 
889 	result = read_node(PS3_LPAR_ID_CURRENT,
890 		make_first_field("bi", 0),
891 		make_field("vir_uart", 0),
892 		make_field("port", 0),
893 		make_field("sysmgr", 0),
894 		&v1, NULL);
895 	*port = v1;
896 	return result;
897 }
898 
899 /**
900   * ps3_repository_read_boot_dat_info - Get address and size of cell_ext_os_area.
901   * address: lpar address of cell_ext_os_area
902   * @size: size of cell_ext_os_area
903   */
904 
ps3_repository_read_boot_dat_info(u64 * lpar_addr,unsigned int * size)905 int ps3_repository_read_boot_dat_info(u64 *lpar_addr, unsigned int *size)
906 {
907 	int result;
908 
909 	*size = 0;
910 	result = ps3_repository_read_boot_dat_address(lpar_addr);
911 	return result ? result
912 		: ps3_repository_read_boot_dat_size(size);
913 }
914 
915 /**
916  * ps3_repository_read_num_be - Number of physical BE processors in the system.
917  */
918 
ps3_repository_read_num_be(unsigned int * num_be)919 int ps3_repository_read_num_be(unsigned int *num_be)
920 {
921 	int result;
922 	u64 v1;
923 
924 	result = read_node(PS3_LPAR_ID_PME,
925 		make_first_field("ben", 0),
926 		0,
927 		0,
928 		0,
929 		&v1, NULL);
930 	*num_be = v1;
931 	return result;
932 }
933 
934 /**
935  * ps3_repository_read_be_node_id - Read the physical BE processor node id.
936  * @be_index: Zero based index.
937  * @node_id: The BE processor node id.
938  */
939 
ps3_repository_read_be_node_id(unsigned int be_index,u64 * node_id)940 int ps3_repository_read_be_node_id(unsigned int be_index, u64 *node_id)
941 {
942 	return read_node(PS3_LPAR_ID_PME,
943 		make_first_field("be", be_index),
944 		0,
945 		0,
946 		0,
947 		node_id, NULL);
948 }
949 
950 /**
951  * ps3_repository_read_be_id - Read the physical BE processor id.
952  * @node_id: The BE processor node id.
953  * @be_id: The BE processor id.
954  */
955 
ps3_repository_read_be_id(u64 node_id,u64 * be_id)956 int ps3_repository_read_be_id(u64 node_id, u64 *be_id)
957 {
958 	return read_node(PS3_LPAR_ID_PME,
959 		make_first_field("be", 0),
960 		node_id,
961 		0,
962 		0,
963 		be_id, NULL);
964 }
965 
ps3_repository_read_tb_freq(u64 node_id,u64 * tb_freq)966 int ps3_repository_read_tb_freq(u64 node_id, u64 *tb_freq)
967 {
968 	return read_node(PS3_LPAR_ID_PME,
969 		make_first_field("be", 0),
970 		node_id,
971 		make_field("clock", 0),
972 		0,
973 		tb_freq, NULL);
974 }
975 
ps3_repository_read_be_tb_freq(unsigned int be_index,u64 * tb_freq)976 int ps3_repository_read_be_tb_freq(unsigned int be_index, u64 *tb_freq)
977 {
978 	int result;
979 	u64 node_id;
980 
981 	*tb_freq = 0;
982 	result = ps3_repository_read_be_node_id(be_index, &node_id);
983 	return result ? result
984 		: ps3_repository_read_tb_freq(node_id, tb_freq);
985 }
986 
ps3_repository_read_lpm_privileges(unsigned int be_index,u64 * lpar,u64 * rights)987 int ps3_repository_read_lpm_privileges(unsigned int be_index, u64 *lpar,
988 	u64 *rights)
989 {
990 	int result;
991 	u64 node_id;
992 
993 	*lpar = 0;
994 	*rights = 0;
995 	result = ps3_repository_read_be_node_id(be_index, &node_id);
996 	return result ? result
997 		: read_node(PS3_LPAR_ID_PME,
998 			    make_first_field("be", 0),
999 			    node_id,
1000 			    make_field("lpm", 0),
1001 			    make_field("priv", 0),
1002 			    lpar, rights);
1003 }
1004 
1005 #if defined(DEBUG)
1006 
ps3_repository_dump_resource_info(const struct ps3_repository_device * repo)1007 int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo)
1008 {
1009 	int result = 0;
1010 	unsigned int res_index;
1011 
1012 	pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
1013 		repo->bus_index, repo->dev_index);
1014 
1015 	for (res_index = 0; res_index < 10; res_index++) {
1016 		enum ps3_interrupt_type intr_type;
1017 		unsigned int interrupt_id;
1018 
1019 		result = ps3_repository_read_dev_intr(repo->bus_index,
1020 			repo->dev_index, res_index, &intr_type, &interrupt_id);
1021 
1022 		if (result) {
1023 			if (result !=  LV1_NO_ENTRY)
1024 				pr_debug("%s:%d ps3_repository_read_dev_intr"
1025 					" (%u:%u) failed\n", __func__, __LINE__,
1026 					repo->bus_index, repo->dev_index);
1027 			break;
1028 		}
1029 
1030 		pr_debug("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n",
1031 			__func__, __LINE__, repo->bus_index, repo->dev_index,
1032 			intr_type, interrupt_id);
1033 	}
1034 
1035 	for (res_index = 0; res_index < 10; res_index++) {
1036 		enum ps3_reg_type reg_type;
1037 		u64 bus_addr;
1038 		u64 len;
1039 
1040 		result = ps3_repository_read_dev_reg(repo->bus_index,
1041 			repo->dev_index, res_index, &reg_type, &bus_addr, &len);
1042 
1043 		if (result) {
1044 			if (result !=  LV1_NO_ENTRY)
1045 				pr_debug("%s:%d ps3_repository_read_dev_reg"
1046 					" (%u:%u) failed\n", __func__, __LINE__,
1047 					repo->bus_index, repo->dev_index);
1048 			break;
1049 		}
1050 
1051 		pr_debug("%s:%d (%u:%u) reg_type %u, bus_addr %lxh, len %lxh\n",
1052 			__func__, __LINE__, repo->bus_index, repo->dev_index,
1053 			reg_type, bus_addr, len);
1054 	}
1055 
1056 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
1057 	return result;
1058 }
1059 
dump_stor_dev_info(struct ps3_repository_device * repo)1060 static int dump_stor_dev_info(struct ps3_repository_device *repo)
1061 {
1062 	int result = 0;
1063 	unsigned int num_regions, region_index;
1064 	u64 port, blk_size, num_blocks;
1065 
1066 	pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
1067 		repo->bus_index, repo->dev_index);
1068 
1069 	result = ps3_repository_read_stor_dev_info(repo->bus_index,
1070 		repo->dev_index, &port, &blk_size, &num_blocks, &num_regions);
1071 	if (result) {
1072 		pr_debug("%s:%d ps3_repository_read_stor_dev_info"
1073 			" (%u:%u) failed\n", __func__, __LINE__,
1074 			repo->bus_index, repo->dev_index);
1075 		goto out;
1076 	}
1077 
1078 	pr_debug("%s:%d  (%u:%u): port %lu, blk_size %lu, num_blocks "
1079 		 "%lu, num_regions %u\n",
1080 		 __func__, __LINE__, repo->bus_index, repo->dev_index, port,
1081 		 blk_size, num_blocks, num_regions);
1082 
1083 	for (region_index = 0; region_index < num_regions; region_index++) {
1084 		unsigned int region_id;
1085 		u64 region_start, region_size;
1086 
1087 		result = ps3_repository_read_stor_dev_region(repo->bus_index,
1088 			repo->dev_index, region_index, &region_id,
1089 			&region_start, &region_size);
1090 		if (result) {
1091 			 pr_debug("%s:%d ps3_repository_read_stor_dev_region"
1092 				  " (%u:%u) failed\n", __func__, __LINE__,
1093 				  repo->bus_index, repo->dev_index);
1094 			break;
1095 		}
1096 
1097 		pr_debug("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n",
1098 			__func__, __LINE__, repo->bus_index, repo->dev_index,
1099 			region_id, region_start, region_size);
1100 	}
1101 
1102 out:
1103 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
1104 	return result;
1105 }
1106 
dump_device_info(struct ps3_repository_device * repo,unsigned int num_dev)1107 static int dump_device_info(struct ps3_repository_device *repo,
1108 	unsigned int num_dev)
1109 {
1110 	int result = 0;
1111 
1112 	pr_debug(" -> %s:%d: bus_%u\n", __func__, __LINE__, repo->bus_index);
1113 
1114 	for (repo->dev_index = 0; repo->dev_index < num_dev;
1115 		repo->dev_index++) {
1116 
1117 		result = ps3_repository_read_dev_type(repo->bus_index,
1118 			repo->dev_index, &repo->dev_type);
1119 
1120 		if (result) {
1121 			pr_debug("%s:%d ps3_repository_read_dev_type"
1122 				" (%u:%u) failed\n", __func__, __LINE__,
1123 				repo->bus_index, repo->dev_index);
1124 			break;
1125 		}
1126 
1127 		result = ps3_repository_read_dev_id(repo->bus_index,
1128 			repo->dev_index, &repo->dev_id);
1129 
1130 		if (result) {
1131 			pr_debug("%s:%d ps3_repository_read_dev_id"
1132 				" (%u:%u) failed\n", __func__, __LINE__,
1133 				repo->bus_index, repo->dev_index);
1134 			continue;
1135 		}
1136 
1137 		pr_debug("%s:%d  (%u:%u): dev_type %u, dev_id %lu\n", __func__,
1138 			__LINE__, repo->bus_index, repo->dev_index,
1139 			repo->dev_type, repo->dev_id);
1140 
1141 		ps3_repository_dump_resource_info(repo);
1142 
1143 		if (repo->bus_type == PS3_BUS_TYPE_STORAGE)
1144 			dump_stor_dev_info(repo);
1145 	}
1146 
1147 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
1148 	return result;
1149 }
1150 
ps3_repository_dump_bus_info(void)1151 int ps3_repository_dump_bus_info(void)
1152 {
1153 	int result = 0;
1154 	struct ps3_repository_device repo;
1155 
1156 	pr_debug(" -> %s:%d\n", __func__, __LINE__);
1157 
1158 	memset(&repo, 0, sizeof(repo));
1159 
1160 	for (repo.bus_index = 0; repo.bus_index < 10; repo.bus_index++) {
1161 		unsigned int num_dev;
1162 
1163 		result = ps3_repository_read_bus_type(repo.bus_index,
1164 			&repo.bus_type);
1165 
1166 		if (result) {
1167 			pr_debug("%s:%d read_bus_type(%u) failed\n",
1168 				__func__, __LINE__, repo.bus_index);
1169 			break;
1170 		}
1171 
1172 		result = ps3_repository_read_bus_id(repo.bus_index,
1173 			&repo.bus_id);
1174 
1175 		if (result) {
1176 			pr_debug("%s:%d read_bus_id(%u) failed\n",
1177 				__func__, __LINE__, repo.bus_index);
1178 			continue;
1179 		}
1180 
1181 		if (repo.bus_index != repo.bus_id)
1182 			pr_debug("%s:%d bus_index != bus_id\n",
1183 				__func__, __LINE__);
1184 
1185 		result = ps3_repository_read_bus_num_dev(repo.bus_index,
1186 			&num_dev);
1187 
1188 		if (result) {
1189 			pr_debug("%s:%d read_bus_num_dev(%u) failed\n",
1190 				__func__, __LINE__, repo.bus_index);
1191 			continue;
1192 		}
1193 
1194 		pr_debug("%s:%d bus_%u: bus_type %u, bus_id %lu, num_dev %u\n",
1195 			__func__, __LINE__, repo.bus_index, repo.bus_type,
1196 			repo.bus_id, num_dev);
1197 
1198 		dump_device_info(&repo, num_dev);
1199 	}
1200 
1201 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
1202 	return result;
1203 }
1204 
1205 #endif /* defined(DEBUG) */
1206