linux/arch/powerpc/platforms/ps3/repository.c
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   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 __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_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_num_spu_reserved - Number of physical spus reserved.
 783 * @num_spu: Number of physical spus.
 784 */
 785
 786int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved)
 787{
 788        int result;
 789        u64 v1 = 0;
 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
 805int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id)
 806{
 807        int result;
 808        u64 v1 = 0;
 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
 826int 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 = 0;
 831        u64 v2 = 0;
 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
 844static 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
 854int ps3_repository_read_boot_dat_size(unsigned int *size)
 855{
 856        int result;
 857        u64 v1 = 0;
 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
 869int ps3_repository_read_vuart_av_port(unsigned int *port)
 870{
 871        int result;
 872        u64 v1 = 0;
 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
 884int ps3_repository_read_vuart_sysmgr_port(unsigned int *port)
 885{
 886        int result;
 887        u64 v1 = 0;
 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
 905int 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
 919int ps3_repository_read_num_be(unsigned int *num_be)
 920{
 921        int result;
 922        u64 v1 = 0;
 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
 940int 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
 956int 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
 966int 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
 976int 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
 987int 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
1007int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo)
1008{
1009        int result = 0;
1010        unsigned int res_index;
1011
1012        pr_devel(" -> %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_devel("%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_devel("%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_devel("%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_devel("%s:%d (%u:%u) reg_type %u, bus_addr %llxh, len %llxh\n",
1052                        __func__, __LINE__, repo->bus_index, repo->dev_index,
1053                        reg_type, bus_addr, len);
1054        }
1055
1056        pr_devel(" <- %s:%d\n", __func__, __LINE__);
1057        return result;
1058}
1059
1060static 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_devel(" -> %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_devel("%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_devel("%s:%d  (%u:%u): port %llu, blk_size %llu, num_blocks "
1079                 "%llu, num_regions %u\n",
1080                 __func__, __LINE__, repo->bus_index, repo->dev_index,
1081                port, 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_devel("%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_devel("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n",
1098                        __func__, __LINE__, repo->bus_index, repo->dev_index,
1099                        region_id, (unsigned long)region_start,
1100                        (unsigned long)region_size);
1101        }
1102
1103out:
1104        pr_devel(" <- %s:%d\n", __func__, __LINE__);
1105        return result;
1106}
1107
1108static int dump_device_info(struct ps3_repository_device *repo,
1109        unsigned int num_dev)
1110{
1111        int result = 0;
1112
1113        pr_devel(" -> %s:%d: bus_%u\n", __func__, __LINE__, repo->bus_index);
1114
1115        for (repo->dev_index = 0; repo->dev_index < num_dev;
1116                repo->dev_index++) {
1117
1118                result = ps3_repository_read_dev_type(repo->bus_index,
1119                        repo->dev_index, &repo->dev_type);
1120
1121                if (result) {
1122                        pr_devel("%s:%d ps3_repository_read_dev_type"
1123                                " (%u:%u) failed\n", __func__, __LINE__,
1124                                repo->bus_index, repo->dev_index);
1125                        break;
1126                }
1127
1128                result = ps3_repository_read_dev_id(repo->bus_index,
1129                        repo->dev_index, &repo->dev_id);
1130
1131                if (result) {
1132                        pr_devel("%s:%d ps3_repository_read_dev_id"
1133                                " (%u:%u) failed\n", __func__, __LINE__,
1134                                repo->bus_index, repo->dev_index);
1135                        continue;
1136                }
1137
1138                pr_devel("%s:%d  (%u:%u): dev_type %u, dev_id %lu\n", __func__,
1139                        __LINE__, repo->bus_index, repo->dev_index,
1140                        repo->dev_type, (unsigned long)repo->dev_id);
1141
1142                ps3_repository_dump_resource_info(repo);
1143
1144                if (repo->bus_type == PS3_BUS_TYPE_STORAGE)
1145                        dump_stor_dev_info(repo);
1146        }
1147
1148        pr_devel(" <- %s:%d\n", __func__, __LINE__);
1149        return result;
1150}
1151
1152int ps3_repository_dump_bus_info(void)
1153{
1154        int result = 0;
1155        struct ps3_repository_device repo;
1156
1157        pr_devel(" -> %s:%d\n", __func__, __LINE__);
1158
1159        memset(&repo, 0, sizeof(repo));
1160
1161        for (repo.bus_index = 0; repo.bus_index < 10; repo.bus_index++) {
1162                unsigned int num_dev;
1163
1164                result = ps3_repository_read_bus_type(repo.bus_index,
1165                        &repo.bus_type);
1166
1167                if (result) {
1168                        pr_devel("%s:%d read_bus_type(%u) failed\n",
1169                                __func__, __LINE__, repo.bus_index);
1170                        break;
1171                }
1172
1173                result = ps3_repository_read_bus_id(repo.bus_index,
1174                        &repo.bus_id);
1175
1176                if (result) {
1177                        pr_devel("%s:%d read_bus_id(%u) failed\n",
1178                                __func__, __LINE__, repo.bus_index);
1179                        continue;
1180                }
1181
1182                if (repo.bus_index != repo.bus_id)
1183                        pr_devel("%s:%d bus_index != bus_id\n",
1184                                __func__, __LINE__);
1185
1186                result = ps3_repository_read_bus_num_dev(repo.bus_index,
1187                        &num_dev);
1188
1189                if (result) {
1190                        pr_devel("%s:%d read_bus_num_dev(%u) failed\n",
1191                                __func__, __LINE__, repo.bus_index);
1192                        continue;
1193                }
1194
1195                pr_devel("%s:%d bus_%u: bus_type %u, bus_id %lu, num_dev %u\n",
1196                        __func__, __LINE__, repo.bus_index, repo.bus_type,
1197                        (unsigned long)repo.bus_id, num_dev);
1198
1199                dump_device_info(&repo, num_dev);
1200        }
1201
1202        pr_devel(" <- %s:%d\n", __func__, __LINE__);
1203        return result;
1204}
1205
1206#endif /* defined(DEBUG) */
1207