drivers/net/ethernet/qlogic/qed/qed_init_ops.c

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #include <linux/types.h>
  34 #include <linux/io.h>
  35 #include <linux/delay.h>
  36 #include <linux/errno.h>
  37 #include <linux/kernel.h>
  38 #include <linux/slab.h>
  39 #include <linux/string.h>
  40 #include "qed.h"
  41 #include "qed_hsi.h"
  42 #include "qed_hw.h"
  43 #include "qed_init_ops.h"
  44 #include "qed_reg_addr.h"
  45 #include "qed_sriov.h"
  46
  47 #define QED_INIT_MAX_POLL_COUNT 100
  48 #define QED_INIT_POLL_PERIOD_US 500
  49
  50 static u32 pxp_global_win[] = {
  51         0,
  52         0,
  53         0x1c02, /* win 2: addr=0x1c02000, size=4096 bytes */
  54         0x1c80, /* win 3: addr=0x1c80000, size=4096 bytes */
  55         0x1d00, /* win 4: addr=0x1d00000, size=4096 bytes */
  56         0x1d01, /* win 5: addr=0x1d01000, size=4096 bytes */
  57         0x1d80, /* win 6: addr=0x1d80000, size=4096 bytes */
  58         0x1d81, /* win 7: addr=0x1d81000, size=4096 bytes */
  59         0x1d82, /* win 8: addr=0x1d82000, size=4096 bytes */
  60         0x1e00, /* win 9: addr=0x1e00000, size=4096 bytes */
  61         0x1e80, /* win 10: addr=0x1e80000, size=4096 bytes */
  62         0x1f00, /* win 11: addr=0x1f00000, size=4096 bytes */
  63         0,
  64         0,
  65         0,
  66         0,
  67         0,
  68         0,
  69         0,
  70 };
  71
  72 void qed_init_iro_array(struct qed_dev *cdev)
  73 {
  74         cdev->iro_arr = iro_arr;
  75 }
  76
  77 /* Runtime configuration helpers */
  78 void qed_init_clear_rt_data(struct qed_hwfn *p_hwfn)
  79 {
  80         int i;
  81
  82         for (i = 0; i < RUNTIME_ARRAY_SIZE; i++)
  83                 p_hwfn->rt_data.b_valid[i] = false;
  84 }
  85
  86 void qed_init_store_rt_reg(struct qed_hwfn *p_hwfn, u32 rt_offset, u32 val)
  87 {
  88         p_hwfn->rt_data.init_val[rt_offset] = val;
  89         p_hwfn->rt_data.b_valid[rt_offset] = true;
  90 }
  91
  92 void qed_init_store_rt_agg(struct qed_hwfn *p_hwfn,
  93                            u32 rt_offset, u32 *p_val, size_t size)
  94 {
  95         size_t i;
  96
  97         for (i = 0; i < size / sizeof(u32); i++) {
  98                 p_hwfn->rt_data.init_val[rt_offset + i] = p_val[i];
  99                 p_hwfn->rt_data.b_valid[rt_offset + i]  = true;
 100         }
 101 }
 102
 103 static int qed_init_rt(struct qed_hwfn  *p_hwfn,
 104                        struct qed_ptt *p_ptt,
 105                        u32 addr, u16 rt_offset, u16 size, bool b_must_dmae)
 106 {
 107         u32 *p_init_val = &p_hwfn->rt_data.init_val[rt_offset];
 108         bool *p_valid = &p_hwfn->rt_data.b_valid[rt_offset];
 109         u16 i, segment;
 110         int rc = 0;
 111
 112         /* Since not all RT entries are initialized, go over the RT and
 113          * for each segment of initialized values use DMA.
 114          */
 115         for (i = 0; i < size; i++) {
 116                 if (!p_valid[i])
 117                         continue;
 118
 119                 /* In case there isn't any wide-bus configuration here,
 120                  * simply write the data instead of using dmae.
 121                  */
 122                 if (!b_must_dmae) {
 123                         qed_wr(p_hwfn, p_ptt, addr + (i << 2), p_init_val[i]);
 124                         continue;
 125                 }
 126
 127                 /* Start of a new segment */
 128                 for (segment = 1; i + segment < size; segment++)
 129                         if (!p_valid[i + segment])
 130                                 break;
 131
 132                 rc = qed_dmae_host2grc(p_hwfn, p_ptt,
 133                                        (uintptr_t)(p_init_val + i),
 134                                        addr + (i << 2), segment, NULL);
 135                 if (rc)
 136                         return rc;
 137
 138                 /* Jump over the entire segment, including invalid entry */
 139                 i += segment;
 140         }
 141
 142         return rc;
 143 }
 144
 145 int qed_init_alloc(struct qed_hwfn *p_hwfn)
 146 {
 147         struct qed_rt_data *rt_data = &p_hwfn->rt_data;
 148
 149         if (IS_VF(p_hwfn->cdev))
 150                 return 0;
 151
 152         rt_data->b_valid = kcalloc(RUNTIME_ARRAY_SIZE, sizeof(bool),
 153                                    GFP_KERNEL);
 154         if (!rt_data->b_valid)
 155                 return -ENOMEM;
 156
 157         rt_data->init_val = kcalloc(RUNTIME_ARRAY_SIZE, sizeof(u32),
 158                                     GFP_KERNEL);
 159         if (!rt_data->init_val) {
 160                 kfree(rt_data->b_valid);
 161                 rt_data->b_valid = NULL;
 162                 return -ENOMEM;
 163         }
 164
 165         return 0;
 166 }
 167
 168 void qed_init_free(struct qed_hwfn *p_hwfn)
 169 {
 170         kfree(p_hwfn->rt_data.init_val);
 171         p_hwfn->rt_data.init_val = NULL;
 172         kfree(p_hwfn->rt_data.b_valid);
 173         p_hwfn->rt_data.b_valid = NULL;
 174 }
 175
 176 static int qed_init_array_dmae(struct qed_hwfn *p_hwfn,
 177                                struct qed_ptt *p_ptt,
 178                                u32 addr,
 179                                u32 dmae_data_offset,
 180                                u32 size,
 181                                const u32 *buf,
 182                                bool b_must_dmae,
 183                                bool b_can_dmae)
 184 {
 185         int rc = 0;
 186
 187         /* Perform DMAE only for lengthy enough sections or for wide-bus */
 188         if (!b_can_dmae || (!b_must_dmae && (size < 16))) {
 189                 const u32 *data = buf + dmae_data_offset;
 190                 u32 i;
 191
 192                 for (i = 0; i < size; i++)
 193                         qed_wr(p_hwfn, p_ptt, addr + (i << 2), data[i]);
 194         } else {
 195                 rc = qed_dmae_host2grc(p_hwfn, p_ptt,
 196                                        (uintptr_t)(buf + dmae_data_offset),
 197                                        addr, size, NULL);
 198         }
 199
 200         return rc;
 201 }
 202
 203 static int qed_init_fill_dmae(struct qed_hwfn *p_hwfn,
 204                               struct qed_ptt *p_ptt,
 205                               u32 addr, u32 fill, u32 fill_count)
 206 {
 207         static u32 zero_buffer[DMAE_MAX_RW_SIZE];
 208         struct qed_dmae_params params = {};
 209
 210         memset(zero_buffer, 0, sizeof(u32) * DMAE_MAX_RW_SIZE);
 211
 212         /* invoke the DMAE virtual/physical buffer API with
 213          * 1. DMAE init channel
 214          * 2. addr,
 215          * 3. p_hwfb->temp_data,
 216          * 4. fill_count
 217          */
 218         params.flags = QED_DMAE_FLAG_RW_REPL_SRC;
 219         return qed_dmae_host2grc(p_hwfn, p_ptt,
 220                                  (uintptr_t)(&zero_buffer[0]),
 221                                  addr, fill_count, &params);
 222 }
 223
 224 static void qed_init_fill(struct qed_hwfn *p_hwfn,
 225                           struct qed_ptt *p_ptt,
 226                           u32 addr, u32 fill, u32 fill_count)
 227 {
 228         u32 i;
 229
 230         for (i = 0; i < fill_count; i++, addr += sizeof(u32))
 231                 qed_wr(p_hwfn, p_ptt, addr, fill);
 232 }
 233
 234 static int qed_init_cmd_array(struct qed_hwfn *p_hwfn,
 235                               struct qed_ptt *p_ptt,
 236                               struct init_write_op *cmd,
 237                               bool b_must_dmae, bool b_can_dmae)
 238 {
 239         u32 dmae_array_offset = le32_to_cpu(cmd->args.array_offset);
 240         u32 data = le32_to_cpu(cmd->data);
 241         u32 addr = GET_FIELD(data, INIT_WRITE_OP_ADDRESS) << 2;
 242
 243         u32 offset, output_len, input_len, max_size;
 244         struct qed_dev *cdev = p_hwfn->cdev;
 245         union init_array_hdr *hdr;
 246         const u32 *array_data;
 247         int rc = 0;
 248         u32 size;
 249
 250         array_data = cdev->fw_data->arr_data;
 251
 252         hdr = (union init_array_hdr *)(array_data + dmae_array_offset);
 253         data = le32_to_cpu(hdr->raw.data);
 254         switch (GET_FIELD(data, INIT_ARRAY_RAW_HDR_TYPE)) {
 255         case INIT_ARR_ZIPPED:
 256                 offset = dmae_array_offset + 1;
 257                 input_len = GET_FIELD(data,
 258                                       INIT_ARRAY_ZIPPED_HDR_ZIPPED_SIZE);
 259                 max_size = MAX_ZIPPED_SIZE * 4;
 260                 memset(p_hwfn->unzip_buf, 0, max_size);
 261
 262                 output_len = qed_unzip_data(p_hwfn, input_len,
 263                                             (u8 *)&array_data[offset],
 264                                             max_size, (u8 *)p_hwfn->unzip_buf);
 265                 if (output_len) {
 266                         rc = qed_init_array_dmae(p_hwfn, p_ptt, addr, 0,
 267                                                  output_len,
 268                                                  p_hwfn->unzip_buf,
 269                                                  b_must_dmae, b_can_dmae);
 270                 } else {
 271                         DP_NOTICE(p_hwfn, "Failed to unzip dmae data\n");
 272                         rc = -EINVAL;
 273                 }
 274                 break;
 275         case INIT_ARR_PATTERN:
 276         {
 277                 u32 repeats = GET_FIELD(data,
 278                                         INIT_ARRAY_PATTERN_HDR_REPETITIONS);
 279                 u32 i;
 280
 281                 size = GET_FIELD(data, INIT_ARRAY_PATTERN_HDR_PATTERN_SIZE);
 282
 283                 for (i = 0; i < repeats; i++, addr += size << 2) {
 284                         rc = qed_init_array_dmae(p_hwfn, p_ptt, addr,
 285                                                  dmae_array_offset + 1,
 286                                                  size, array_data,
 287                                                  b_must_dmae, b_can_dmae);
 288                         if (rc)
 289                                 break;
 290                 }
 291                 break;
 292         }
 293         case INIT_ARR_STANDARD:
 294                 size = GET_FIELD(data, INIT_ARRAY_STANDARD_HDR_SIZE);
 295                 rc = qed_init_array_dmae(p_hwfn, p_ptt, addr,
 296                                          dmae_array_offset + 1,
 297                                          size, array_data,
 298                                          b_must_dmae, b_can_dmae);
 299                 break;
 300         }
 301
 302         return rc;
 303 }
 304
 305 /* init_ops write command */
 306 static int qed_init_cmd_wr(struct qed_hwfn *p_hwfn,
 307                            struct qed_ptt *p_ptt,
 308                            struct init_write_op *p_cmd, bool b_can_dmae)
 309 {
 310         u32 data = le32_to_cpu(p_cmd->data);
 311         bool b_must_dmae = GET_FIELD(data, INIT_WRITE_OP_WIDE_BUS);
 312         u32 addr = GET_FIELD(data, INIT_WRITE_OP_ADDRESS) << 2;
 313         union init_write_args *arg = &p_cmd->args;
 314         int rc = 0;
 315
 316         /* Sanitize */
 317         if (b_must_dmae && !b_can_dmae) {
 318                 DP_NOTICE(p_hwfn,
 319                           "Need to write to %08x for Wide-bus but DMAE isn't allowed\n",
 320                           addr);
 321                 return -EINVAL;
 322         }
 323
 324         switch (GET_FIELD(data, INIT_WRITE_OP_SOURCE)) {
 325         case INIT_SRC_INLINE:
 326                 data = le32_to_cpu(p_cmd->args.inline_val);
 327                 qed_wr(p_hwfn, p_ptt, addr, data);
 328                 break;
 329         case INIT_SRC_ZEROS:
 330                 data = le32_to_cpu(p_cmd->args.zeros_count);
 331                 if (b_must_dmae || (b_can_dmae && (data >= 64)))
 332                         rc = qed_init_fill_dmae(p_hwfn, p_ptt, addr, 0, data);
 333                 else
 334                         qed_init_fill(p_hwfn, p_ptt, addr, 0, data);
 335                 break;
 336         case INIT_SRC_ARRAY:
 337                 rc = qed_init_cmd_array(p_hwfn, p_ptt, p_cmd,
 338                                         b_must_dmae, b_can_dmae);
 339                 break;
 340         case INIT_SRC_RUNTIME:
 341                 qed_init_rt(p_hwfn, p_ptt, addr,
 342                             le16_to_cpu(arg->runtime.offset),
 343                             le16_to_cpu(arg->runtime.size),
 344                             b_must_dmae);
 345                 break;
 346         }
 347
 348         return rc;
 349 }
 350
 351 static inline bool comp_eq(u32 val, u32 expected_val)
 352 {
 353         return val == expected_val;
 354 }
 355
 356 static inline bool comp_and(u32 val, u32 expected_val)
 357 {
 358         return (val & expected_val) == expected_val;
 359 }
 360
 361 static inline bool comp_or(u32 val, u32 expected_val)
 362 {
 363         return (val | expected_val) > 0;
 364 }
 365
 366 /* init_ops read/poll commands */
 367 static void qed_init_cmd_rd(struct qed_hwfn *p_hwfn,
 368                             struct qed_ptt *p_ptt, struct init_read_op *cmd)
 369 {
 370         bool (*comp_check)(u32 val, u32 expected_val);
 371         u32 delay = QED_INIT_POLL_PERIOD_US, val;
 372         u32 data, addr, poll;
 373         int i;
 374
 375         data = le32_to_cpu(cmd->op_data);
 376         addr = GET_FIELD(data, INIT_READ_OP_ADDRESS) << 2;
 377         poll = GET_FIELD(data, INIT_READ_OP_POLL_TYPE);
 378
 379
 380         val = qed_rd(p_hwfn, p_ptt, addr);
 381
 382         if (poll == INIT_POLL_NONE)
 383                 return;
 384
 385         switch (poll) {
 386         case INIT_POLL_EQ:
 387                 comp_check = comp_eq;
 388                 break;
 389         case INIT_POLL_OR:
 390                 comp_check = comp_or;
 391                 break;
 392         case INIT_POLL_AND:
 393                 comp_check = comp_and;
 394                 break;
 395         default:
 396                 DP_ERR(p_hwfn, "Invalid poll comparison type %08x\n",
 397                        cmd->op_data);
 398                 return;
 399         }
 400
 401         data = le32_to_cpu(cmd->expected_val);
 402         for (i = 0;
 403              i < QED_INIT_MAX_POLL_COUNT && !comp_check(val, data);
 404              i++) {
 405                 udelay(delay);
 406                 val = qed_rd(p_hwfn, p_ptt, addr);
 407         }
 408
 409         if (i == QED_INIT_MAX_POLL_COUNT) {
 410                 DP_ERR(p_hwfn,
 411                        "Timeout when polling reg: 0x%08x [ Waiting-for: %08x Got: %08x (comparison %08x)]\n",
 412                        addr, le32_to_cpu(cmd->expected_val),
 413                        val, le32_to_cpu(cmd->op_data));
 414         }
 415 }
 416
 417 /* init_ops callbacks entry point */
 418 static int qed_init_cmd_cb(struct qed_hwfn *p_hwfn,
 419                            struct qed_ptt *p_ptt,
 420                            struct init_callback_op *p_cmd)
 421 {
 422         int rc;
 423
 424         switch (p_cmd->callback_id) {
 425         case DMAE_READY_CB:
 426                 rc = qed_dmae_sanity(p_hwfn, p_ptt, "engine_phase");
 427                 break;
 428         default:
 429                 DP_NOTICE(p_hwfn, "Unexpected init op callback ID %d\n",
 430                           p_cmd->callback_id);
 431                 return -EINVAL;
 432         }
 433
 434         return rc;
 435 }
 436
 437 static u8 qed_init_cmd_mode_match(struct qed_hwfn *p_hwfn,
 438                                   u16 *p_offset, int modes)
 439 {
 440         struct qed_dev *cdev = p_hwfn->cdev;
 441         const u8 *modes_tree_buf;
 442         u8 arg1, arg2, tree_val;
 443
 444         modes_tree_buf = cdev->fw_data->modes_tree_buf;
 445         tree_val = modes_tree_buf[(*p_offset)++];
 446         switch (tree_val) {
 447         case INIT_MODE_OP_NOT:
 448                 return qed_init_cmd_mode_match(p_hwfn, p_offset, modes) ^ 1;
 449         case INIT_MODE_OP_OR:
 450                 arg1 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes);
 451                 arg2 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes);
 452                 return arg1 | arg2;
 453         case INIT_MODE_OP_AND:
 454                 arg1 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes);
 455                 arg2 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes);
 456                 return arg1 & arg2;
 457         default:
 458                 tree_val -= MAX_INIT_MODE_OPS;
 459                 return (modes & BIT(tree_val)) ? 1 : 0;
 460         }
 461 }
 462
 463 static u32 qed_init_cmd_mode(struct qed_hwfn *p_hwfn,
 464                              struct init_if_mode_op *p_cmd, int modes)
 465 {
 466         u16 offset = le16_to_cpu(p_cmd->modes_buf_offset);
 467
 468         if (qed_init_cmd_mode_match(p_hwfn, &offset, modes))
 469                 return 0;
 470         else
 471                 return GET_FIELD(le32_to_cpu(p_cmd->op_data),
 472                                  INIT_IF_MODE_OP_CMD_OFFSET);
 473 }
 474
 475 static u32 qed_init_cmd_phase(struct qed_hwfn *p_hwfn,
 476                               struct init_if_phase_op *p_cmd,
 477                               u32 phase, u32 phase_id)
 478 {
 479         u32 data = le32_to_cpu(p_cmd->phase_data);
 480         u32 op_data = le32_to_cpu(p_cmd->op_data);
 481
 482         if (!(GET_FIELD(data, INIT_IF_PHASE_OP_PHASE) == phase &&
 483               (GET_FIELD(data, INIT_IF_PHASE_OP_PHASE_ID) == ANY_PHASE_ID ||
 484                GET_FIELD(data, INIT_IF_PHASE_OP_PHASE_ID) == phase_id)))
 485                 return GET_FIELD(op_data, INIT_IF_PHASE_OP_CMD_OFFSET);
 486         else
 487                 return 0;
 488 }
 489
 490 int qed_init_run(struct qed_hwfn *p_hwfn,
 491                  struct qed_ptt *p_ptt, int phase, int phase_id, int modes)
 492 {
 493         struct qed_dev *cdev = p_hwfn->cdev;
 494         u32 cmd_num, num_init_ops;
 495         union init_op *init_ops;
 496         bool b_dmae = false;
 497         int rc = 0;
 498
 499         num_init_ops = cdev->fw_data->init_ops_size;
 500         init_ops = cdev->fw_data->init_ops;
 501
 502         p_hwfn->unzip_buf = kzalloc(MAX_ZIPPED_SIZE * 4, GFP_ATOMIC);
 503         if (!p_hwfn->unzip_buf)
 504                 return -ENOMEM;
 505
 506         for (cmd_num = 0; cmd_num < num_init_ops; cmd_num++) {
 507                 union init_op *cmd = &init_ops[cmd_num];
 508                 u32 data = le32_to_cpu(cmd->raw.op_data);
 509
 510                 switch (GET_FIELD(data, INIT_CALLBACK_OP_OP)) {
 511                 case INIT_OP_WRITE:
 512                         rc = qed_init_cmd_wr(p_hwfn, p_ptt, &cmd->write,
 513                                              b_dmae);
 514                         break;
 515                 case INIT_OP_READ:
 516                         qed_init_cmd_rd(p_hwfn, p_ptt, &cmd->read);
 517                         break;
 518                 case INIT_OP_IF_MODE:
 519                         cmd_num += qed_init_cmd_mode(p_hwfn, &cmd->if_mode,
 520                                                      modes);
 521                         break;
 522                 case INIT_OP_IF_PHASE:
 523                         cmd_num += qed_init_cmd_phase(p_hwfn, &cmd->if_phase,
 524                                                       phase, phase_id);
 525                         b_dmae = GET_FIELD(data, INIT_IF_PHASE_OP_DMAE_ENABLE);
 526                         break;
 527                 case INIT_OP_DELAY:
 528                         /* qed_init_run is always invoked from
 529                          * sleep-able context
 530                          */
 531                         udelay(le32_to_cpu(cmd->delay.delay));
 532                         break;
 533
 534                 case INIT_OP_CALLBACK:
 535                         rc = qed_init_cmd_cb(p_hwfn, p_ptt, &cmd->callback);
 536                         break;
 537                 }
 538
 539                 if (rc)
 540                         break;
 541         }
 542
 543         kfree(p_hwfn->unzip_buf);
 544         p_hwfn->unzip_buf = NULL;
 545         return rc;
 546 }
 547
 548 void qed_gtt_init(struct qed_hwfn *p_hwfn)
 549 {
 550         u32 gtt_base;
 551         u32 i;
 552
 553         /* Set the global windows */
 554         gtt_base = PXP_PF_WINDOW_ADMIN_START + PXP_PF_WINDOW_ADMIN_GLOBAL_START;
 555
 556         for (i = 0; i < ARRAY_SIZE(pxp_global_win); i++)
 557                 if (pxp_global_win[i])
 558                         REG_WR(p_hwfn, gtt_base + i * PXP_GLOBAL_ENTRY_SIZE,
 559                                pxp_global_win[i]);
 560 }
 561
 562 int qed_init_fw_data(struct qed_dev *cdev, const u8 *data)
 563 {
 564         struct qed_fw_data *fw = cdev->fw_data;
 565         struct bin_buffer_hdr *buf_hdr;
 566         u32 offset, len;
 567
 568         if (!data) {
 569                 DP_NOTICE(cdev, "Invalid fw data\n");
 570                 return -EINVAL;
 571         }
 572
 573         /* First Dword contains metadata and should be skipped */
 574         buf_hdr = (struct bin_buffer_hdr *)data;
 575
 576         offset = buf_hdr[BIN_BUF_INIT_FW_VER_INFO].offset;
 577         fw->fw_ver_info = (struct fw_ver_info *)(data + offset);
 578
 579         offset = buf_hdr[BIN_BUF_INIT_CMD].offset;
 580         fw->init_ops = (union init_op *)(data + offset);
 581
 582         offset = buf_hdr[BIN_BUF_INIT_VAL].offset;
 583         fw->arr_data = (u32 *)(data + offset);
 584
 585         offset = buf_hdr[BIN_BUF_INIT_MODE_TREE].offset;
 586         fw->modes_tree_buf = (u8 *)(data + offset);
 587         len = buf_hdr[BIN_BUF_INIT_CMD].length;
 588         fw->init_ops_size = len / sizeof(struct init_raw_op);
 589
 590         return 0;
 591 }