arch/powerpc/platforms/ps3/repository.c

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