root/drivers/net/ethernet/intel/ice/ice_flex_pipe.c

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DEFINITIONS

This source file includes following definitions.
  1. ice_pkg_val_buf
  2. ice_find_buf_table
  3. ice_pkg_enum_buf
  4. ice_pkg_advance_sect
  5. ice_pkg_enum_section
  6. ice_acquire_global_cfg_lock
  7. ice_release_global_cfg_lock
  8. ice_aq_download_pkg
  9. ice_find_seg_in_pkg
  10. ice_dwnld_cfg_bufs
  11. ice_aq_get_pkg_info_list
  12. ice_download_pkg
  13. ice_init_pkg_info
  14. ice_get_pkg_info
  15. ice_verify_pkg
  16. ice_free_seg
  17. ice_init_pkg_regs
  18. ice_chk_pkg_version
  19. ice_init_pkg
  20. ice_copy_and_init_pkg
  21. ice_ptg_find_ptype
  22. ice_ptg_alloc_val
  23. ice_ptg_remove_ptype
  24. ice_ptg_add_mv_ptype
  25. ice_vsig_find_vsi
  26. ice_vsig_alloc_val
  27. ice_vsig_remove_vsi
  28. ice_vsig_add_mv_vsi
  29. ice_init_sw_xlt1_db
  30. ice_init_sw_xlt2_db
  31. ice_init_sw_db
  32. ice_fill_tbl
  33. ice_fill_blk_tbls
  34. ice_free_hw_tbls
  35. ice_clear_hw_tbls
  36. ice_init_hw_tbls

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright (c) 2019, Intel Corporation. */
   3 
   4 #include "ice_common.h"
   5 #include "ice_flex_pipe.h"
   6 
   7 /**
   8  * ice_pkg_val_buf
   9  * @buf: pointer to the ice buffer
  10  *
  11  * This helper function validates a buffer's header.
  12  */
  13 static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf)
  14 {
  15         struct ice_buf_hdr *hdr;
  16         u16 section_count;
  17         u16 data_end;
  18 
  19         hdr = (struct ice_buf_hdr *)buf->buf;
  20         /* verify data */
  21         section_count = le16_to_cpu(hdr->section_count);
  22         if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT)
  23                 return NULL;
  24 
  25         data_end = le16_to_cpu(hdr->data_end);
  26         if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END)
  27                 return NULL;
  28 
  29         return hdr;
  30 }
  31 
  32 /**
  33  * ice_find_buf_table
  34  * @ice_seg: pointer to the ice segment
  35  *
  36  * Returns the address of the buffer table within the ice segment.
  37  */
  38 static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg)
  39 {
  40         struct ice_nvm_table *nvms;
  41 
  42         nvms = (struct ice_nvm_table *)
  43                 (ice_seg->device_table +
  44                  le32_to_cpu(ice_seg->device_table_count));
  45 
  46         return (__force struct ice_buf_table *)
  47                 (nvms->vers + le32_to_cpu(nvms->table_count));
  48 }
  49 
  50 /**
  51  * ice_pkg_enum_buf
  52  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
  53  * @state: pointer to the enum state
  54  *
  55  * This function will enumerate all the buffers in the ice segment. The first
  56  * call is made with the ice_seg parameter non-NULL; on subsequent calls,
  57  * ice_seg is set to NULL which continues the enumeration. When the function
  58  * returns a NULL pointer, then the end of the buffers has been reached, or an
  59  * unexpected value has been detected (for example an invalid section count or
  60  * an invalid buffer end value).
  61  */
  62 static struct ice_buf_hdr *
  63 ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
  64 {
  65         if (ice_seg) {
  66                 state->buf_table = ice_find_buf_table(ice_seg);
  67                 if (!state->buf_table)
  68                         return NULL;
  69 
  70                 state->buf_idx = 0;
  71                 return ice_pkg_val_buf(state->buf_table->buf_array);
  72         }
  73 
  74         if (++state->buf_idx < le32_to_cpu(state->buf_table->buf_count))
  75                 return ice_pkg_val_buf(state->buf_table->buf_array +
  76                                        state->buf_idx);
  77         else
  78                 return NULL;
  79 }
  80 
  81 /**
  82  * ice_pkg_advance_sect
  83  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
  84  * @state: pointer to the enum state
  85  *
  86  * This helper function will advance the section within the ice segment,
  87  * also advancing the buffer if needed.
  88  */
  89 static bool
  90 ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
  91 {
  92         if (!ice_seg && !state->buf)
  93                 return false;
  94 
  95         if (!ice_seg && state->buf)
  96                 if (++state->sect_idx < le16_to_cpu(state->buf->section_count))
  97                         return true;
  98 
  99         state->buf = ice_pkg_enum_buf(ice_seg, state);
 100         if (!state->buf)
 101                 return false;
 102 
 103         /* start of new buffer, reset section index */
 104         state->sect_idx = 0;
 105         return true;
 106 }
 107 
 108 /**
 109  * ice_pkg_enum_section
 110  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
 111  * @state: pointer to the enum state
 112  * @sect_type: section type to enumerate
 113  *
 114  * This function will enumerate all the sections of a particular type in the
 115  * ice segment. The first call is made with the ice_seg parameter non-NULL;
 116  * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
 117  * When the function returns a NULL pointer, then the end of the matching
 118  * sections has been reached.
 119  */
 120 static void *
 121 ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
 122                      u32 sect_type)
 123 {
 124         u16 offset, size;
 125 
 126         if (ice_seg)
 127                 state->type = sect_type;
 128 
 129         if (!ice_pkg_advance_sect(ice_seg, state))
 130                 return NULL;
 131 
 132         /* scan for next matching section */
 133         while (state->buf->section_entry[state->sect_idx].type !=
 134                cpu_to_le32(state->type))
 135                 if (!ice_pkg_advance_sect(NULL, state))
 136                         return NULL;
 137 
 138         /* validate section */
 139         offset = le16_to_cpu(state->buf->section_entry[state->sect_idx].offset);
 140         if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF)
 141                 return NULL;
 142 
 143         size = le16_to_cpu(state->buf->section_entry[state->sect_idx].size);
 144         if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ)
 145                 return NULL;
 146 
 147         /* make sure the section fits in the buffer */
 148         if (offset + size > ICE_PKG_BUF_SIZE)
 149                 return NULL;
 150 
 151         state->sect_type =
 152                 le32_to_cpu(state->buf->section_entry[state->sect_idx].type);
 153 
 154         /* calc pointer to this section */
 155         state->sect = ((u8 *)state->buf) +
 156                 le16_to_cpu(state->buf->section_entry[state->sect_idx].offset);
 157 
 158         return state->sect;
 159 }
 160 
 161 /**
 162  * ice_acquire_global_cfg_lock
 163  * @hw: pointer to the HW structure
 164  * @access: access type (read or write)
 165  *
 166  * This function will request ownership of the global config lock for reading
 167  * or writing of the package. When attempting to obtain write access, the
 168  * caller must check for the following two return values:
 169  *
 170  * ICE_SUCCESS        - Means the caller has acquired the global config lock
 171  *                      and can perform writing of the package.
 172  * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the
 173  *                      package or has found that no update was necessary; in
 174  *                      this case, the caller can just skip performing any
 175  *                      update of the package.
 176  */
 177 static enum ice_status
 178 ice_acquire_global_cfg_lock(struct ice_hw *hw,
 179                             enum ice_aq_res_access_type access)
 180 {
 181         enum ice_status status;
 182 
 183         status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access,
 184                                  ICE_GLOBAL_CFG_LOCK_TIMEOUT);
 185 
 186         if (!status)
 187                 mutex_lock(&ice_global_cfg_lock_sw);
 188         else if (status == ICE_ERR_AQ_NO_WORK)
 189                 ice_debug(hw, ICE_DBG_PKG,
 190                           "Global config lock: No work to do\n");
 191 
 192         return status;
 193 }
 194 
 195 /**
 196  * ice_release_global_cfg_lock
 197  * @hw: pointer to the HW structure
 198  *
 199  * This function will release the global config lock.
 200  */
 201 static void ice_release_global_cfg_lock(struct ice_hw *hw)
 202 {
 203         mutex_unlock(&ice_global_cfg_lock_sw);
 204         ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID);
 205 }
 206 
 207 /**
 208  * ice_aq_download_pkg
 209  * @hw: pointer to the hardware structure
 210  * @pkg_buf: the package buffer to transfer
 211  * @buf_size: the size of the package buffer
 212  * @last_buf: last buffer indicator
 213  * @error_offset: returns error offset
 214  * @error_info: returns error information
 215  * @cd: pointer to command details structure or NULL
 216  *
 217  * Download Package (0x0C40)
 218  */
 219 static enum ice_status
 220 ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
 221                     u16 buf_size, bool last_buf, u32 *error_offset,
 222                     u32 *error_info, struct ice_sq_cd *cd)
 223 {
 224         struct ice_aqc_download_pkg *cmd;
 225         struct ice_aq_desc desc;
 226         enum ice_status status;
 227 
 228         if (error_offset)
 229                 *error_offset = 0;
 230         if (error_info)
 231                 *error_info = 0;
 232 
 233         cmd = &desc.params.download_pkg;
 234         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg);
 235         desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
 236 
 237         if (last_buf)
 238                 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
 239 
 240         status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
 241         if (status == ICE_ERR_AQ_ERROR) {
 242                 /* Read error from buffer only when the FW returned an error */
 243                 struct ice_aqc_download_pkg_resp *resp;
 244 
 245                 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
 246                 if (error_offset)
 247                         *error_offset = le32_to_cpu(resp->error_offset);
 248                 if (error_info)
 249                         *error_info = le32_to_cpu(resp->error_info);
 250         }
 251 
 252         return status;
 253 }
 254 
 255 /**
 256  * ice_find_seg_in_pkg
 257  * @hw: pointer to the hardware structure
 258  * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK)
 259  * @pkg_hdr: pointer to the package header to be searched
 260  *
 261  * This function searches a package file for a particular segment type. On
 262  * success it returns a pointer to the segment header, otherwise it will
 263  * return NULL.
 264  */
 265 static struct ice_generic_seg_hdr *
 266 ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type,
 267                     struct ice_pkg_hdr *pkg_hdr)
 268 {
 269         u32 i;
 270 
 271         ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n",
 272                   pkg_hdr->format_ver.major, pkg_hdr->format_ver.minor,
 273                   pkg_hdr->format_ver.update, pkg_hdr->format_ver.draft);
 274 
 275         /* Search all package segments for the requested segment type */
 276         for (i = 0; i < le32_to_cpu(pkg_hdr->seg_count); i++) {
 277                 struct ice_generic_seg_hdr *seg;
 278 
 279                 seg = (struct ice_generic_seg_hdr *)
 280                         ((u8 *)pkg_hdr + le32_to_cpu(pkg_hdr->seg_offset[i]));
 281 
 282                 if (le32_to_cpu(seg->seg_type) == seg_type)
 283                         return seg;
 284         }
 285 
 286         return NULL;
 287 }
 288 
 289 /**
 290  * ice_dwnld_cfg_bufs
 291  * @hw: pointer to the hardware structure
 292  * @bufs: pointer to an array of buffers
 293  * @count: the number of buffers in the array
 294  *
 295  * Obtains global config lock and downloads the package configuration buffers
 296  * to the firmware. Metadata buffers are skipped, and the first metadata buffer
 297  * found indicates that the rest of the buffers are all metadata buffers.
 298  */
 299 static enum ice_status
 300 ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
 301 {
 302         enum ice_status status;
 303         struct ice_buf_hdr *bh;
 304         u32 offset, info, i;
 305 
 306         if (!bufs || !count)
 307                 return ICE_ERR_PARAM;
 308 
 309         /* If the first buffer's first section has its metadata bit set
 310          * then there are no buffers to be downloaded, and the operation is
 311          * considered a success.
 312          */
 313         bh = (struct ice_buf_hdr *)bufs;
 314         if (le32_to_cpu(bh->section_entry[0].type) & ICE_METADATA_BUF)
 315                 return 0;
 316 
 317         /* reset pkg_dwnld_status in case this function is called in the
 318          * reset/rebuild flow
 319          */
 320         hw->pkg_dwnld_status = ICE_AQ_RC_OK;
 321 
 322         status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE);
 323         if (status) {
 324                 if (status == ICE_ERR_AQ_NO_WORK)
 325                         hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST;
 326                 else
 327                         hw->pkg_dwnld_status = hw->adminq.sq_last_status;
 328                 return status;
 329         }
 330 
 331         for (i = 0; i < count; i++) {
 332                 bool last = ((i + 1) == count);
 333 
 334                 if (!last) {
 335                         /* check next buffer for metadata flag */
 336                         bh = (struct ice_buf_hdr *)(bufs + i + 1);
 337 
 338                         /* A set metadata flag in the next buffer will signal
 339                          * that the current buffer will be the last buffer
 340                          * downloaded
 341                          */
 342                         if (le16_to_cpu(bh->section_count))
 343                                 if (le32_to_cpu(bh->section_entry[0].type) &
 344                                     ICE_METADATA_BUF)
 345                                         last = true;
 346                 }
 347 
 348                 bh = (struct ice_buf_hdr *)(bufs + i);
 349 
 350                 status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last,
 351                                              &offset, &info, NULL);
 352 
 353                 /* Save AQ status from download package */
 354                 hw->pkg_dwnld_status = hw->adminq.sq_last_status;
 355                 if (status) {
 356                         ice_debug(hw, ICE_DBG_PKG,
 357                                   "Pkg download failed: err %d off %d inf %d\n",
 358                                   status, offset, info);
 359 
 360                         break;
 361                 }
 362 
 363                 if (last)
 364                         break;
 365         }
 366 
 367         ice_release_global_cfg_lock(hw);
 368 
 369         return status;
 370 }
 371 
 372 /**
 373  * ice_aq_get_pkg_info_list
 374  * @hw: pointer to the hardware structure
 375  * @pkg_info: the buffer which will receive the information list
 376  * @buf_size: the size of the pkg_info information buffer
 377  * @cd: pointer to command details structure or NULL
 378  *
 379  * Get Package Info List (0x0C43)
 380  */
 381 static enum ice_status
 382 ice_aq_get_pkg_info_list(struct ice_hw *hw,
 383                          struct ice_aqc_get_pkg_info_resp *pkg_info,
 384                          u16 buf_size, struct ice_sq_cd *cd)
 385 {
 386         struct ice_aq_desc desc;
 387 
 388         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list);
 389 
 390         return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd);
 391 }
 392 
 393 /**
 394  * ice_download_pkg
 395  * @hw: pointer to the hardware structure
 396  * @ice_seg: pointer to the segment of the package to be downloaded
 397  *
 398  * Handles the download of a complete package.
 399  */
 400 static enum ice_status
 401 ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg)
 402 {
 403         struct ice_buf_table *ice_buf_tbl;
 404 
 405         ice_debug(hw, ICE_DBG_PKG, "Segment version: %d.%d.%d.%d\n",
 406                   ice_seg->hdr.seg_ver.major, ice_seg->hdr.seg_ver.minor,
 407                   ice_seg->hdr.seg_ver.update, ice_seg->hdr.seg_ver.draft);
 408 
 409         ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n",
 410                   le32_to_cpu(ice_seg->hdr.seg_type),
 411                   le32_to_cpu(ice_seg->hdr.seg_size), ice_seg->hdr.seg_name);
 412 
 413         ice_buf_tbl = ice_find_buf_table(ice_seg);
 414 
 415         ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n",
 416                   le32_to_cpu(ice_buf_tbl->buf_count));
 417 
 418         return ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array,
 419                                   le32_to_cpu(ice_buf_tbl->buf_count));
 420 }
 421 
 422 /**
 423  * ice_init_pkg_info
 424  * @hw: pointer to the hardware structure
 425  * @pkg_hdr: pointer to the driver's package hdr
 426  *
 427  * Saves off the package details into the HW structure.
 428  */
 429 static enum ice_status
 430 ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr)
 431 {
 432         struct ice_global_metadata_seg *meta_seg;
 433         struct ice_generic_seg_hdr *seg_hdr;
 434 
 435         if (!pkg_hdr)
 436                 return ICE_ERR_PARAM;
 437 
 438         meta_seg = (struct ice_global_metadata_seg *)
 439                    ice_find_seg_in_pkg(hw, SEGMENT_TYPE_METADATA, pkg_hdr);
 440         if (meta_seg) {
 441                 hw->pkg_ver = meta_seg->pkg_ver;
 442                 memcpy(hw->pkg_name, meta_seg->pkg_name, sizeof(hw->pkg_name));
 443 
 444                 ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n",
 445                           meta_seg->pkg_ver.major, meta_seg->pkg_ver.minor,
 446                           meta_seg->pkg_ver.update, meta_seg->pkg_ver.draft,
 447                           meta_seg->pkg_name);
 448         } else {
 449                 ice_debug(hw, ICE_DBG_INIT,
 450                           "Did not find metadata segment in driver package\n");
 451                 return ICE_ERR_CFG;
 452         }
 453 
 454         seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr);
 455         if (seg_hdr) {
 456                 hw->ice_pkg_ver = seg_hdr->seg_ver;
 457                 memcpy(hw->ice_pkg_name, seg_hdr->seg_name,
 458                        sizeof(hw->ice_pkg_name));
 459 
 460                 ice_debug(hw, ICE_DBG_PKG, "Ice Pkg: %d.%d.%d.%d, %s\n",
 461                           seg_hdr->seg_ver.major, seg_hdr->seg_ver.minor,
 462                           seg_hdr->seg_ver.update, seg_hdr->seg_ver.draft,
 463                           seg_hdr->seg_name);
 464         } else {
 465                 ice_debug(hw, ICE_DBG_INIT,
 466                           "Did not find ice segment in driver package\n");
 467                 return ICE_ERR_CFG;
 468         }
 469 
 470         return 0;
 471 }
 472 
 473 /**
 474  * ice_get_pkg_info
 475  * @hw: pointer to the hardware structure
 476  *
 477  * Store details of the package currently loaded in HW into the HW structure.
 478  */
 479 static enum ice_status ice_get_pkg_info(struct ice_hw *hw)
 480 {
 481         struct ice_aqc_get_pkg_info_resp *pkg_info;
 482         enum ice_status status;
 483         u16 size;
 484         u32 i;
 485 
 486         size = sizeof(*pkg_info) + (sizeof(pkg_info->pkg_info[0]) *
 487                                     (ICE_PKG_CNT - 1));
 488         pkg_info = kzalloc(size, GFP_KERNEL);
 489         if (!pkg_info)
 490                 return ICE_ERR_NO_MEMORY;
 491 
 492         status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL);
 493         if (status)
 494                 goto init_pkg_free_alloc;
 495 
 496         for (i = 0; i < le32_to_cpu(pkg_info->count); i++) {
 497 #define ICE_PKG_FLAG_COUNT      4
 498                 char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 };
 499                 u8 place = 0;
 500 
 501                 if (pkg_info->pkg_info[i].is_active) {
 502                         flags[place++] = 'A';
 503                         hw->active_pkg_ver = pkg_info->pkg_info[i].ver;
 504                         memcpy(hw->active_pkg_name,
 505                                pkg_info->pkg_info[i].name,
 506                                sizeof(hw->active_pkg_name));
 507                         hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm;
 508                 }
 509                 if (pkg_info->pkg_info[i].is_active_at_boot)
 510                         flags[place++] = 'B';
 511                 if (pkg_info->pkg_info[i].is_modified)
 512                         flags[place++] = 'M';
 513                 if (pkg_info->pkg_info[i].is_in_nvm)
 514                         flags[place++] = 'N';
 515 
 516                 ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n",
 517                           i, pkg_info->pkg_info[i].ver.major,
 518                           pkg_info->pkg_info[i].ver.minor,
 519                           pkg_info->pkg_info[i].ver.update,
 520                           pkg_info->pkg_info[i].ver.draft,
 521                           pkg_info->pkg_info[i].name, flags);
 522         }
 523 
 524 init_pkg_free_alloc:
 525         kfree(pkg_info);
 526 
 527         return status;
 528 }
 529 
 530 /**
 531  * ice_verify_pkg - verify package
 532  * @pkg: pointer to the package buffer
 533  * @len: size of the package buffer
 534  *
 535  * Verifies various attributes of the package file, including length, format
 536  * version, and the requirement of at least one segment.
 537  */
 538 static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len)
 539 {
 540         u32 seg_count;
 541         u32 i;
 542 
 543         if (len < sizeof(*pkg))
 544                 return ICE_ERR_BUF_TOO_SHORT;
 545 
 546         if (pkg->format_ver.major != ICE_PKG_FMT_VER_MAJ ||
 547             pkg->format_ver.minor != ICE_PKG_FMT_VER_MNR ||
 548             pkg->format_ver.update != ICE_PKG_FMT_VER_UPD ||
 549             pkg->format_ver.draft != ICE_PKG_FMT_VER_DFT)
 550                 return ICE_ERR_CFG;
 551 
 552         /* pkg must have at least one segment */
 553         seg_count = le32_to_cpu(pkg->seg_count);
 554         if (seg_count < 1)
 555                 return ICE_ERR_CFG;
 556 
 557         /* make sure segment array fits in package length */
 558         if (len < sizeof(*pkg) + ((seg_count - 1) * sizeof(pkg->seg_offset)))
 559                 return ICE_ERR_BUF_TOO_SHORT;
 560 
 561         /* all segments must fit within length */
 562         for (i = 0; i < seg_count; i++) {
 563                 u32 off = le32_to_cpu(pkg->seg_offset[i]);
 564                 struct ice_generic_seg_hdr *seg;
 565 
 566                 /* segment header must fit */
 567                 if (len < off + sizeof(*seg))
 568                         return ICE_ERR_BUF_TOO_SHORT;
 569 
 570                 seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off);
 571 
 572                 /* segment body must fit */
 573                 if (len < off + le32_to_cpu(seg->seg_size))
 574                         return ICE_ERR_BUF_TOO_SHORT;
 575         }
 576 
 577         return 0;
 578 }
 579 
 580 /**
 581  * ice_free_seg - free package segment pointer
 582  * @hw: pointer to the hardware structure
 583  *
 584  * Frees the package segment pointer in the proper manner, depending on if the
 585  * segment was allocated or just the passed in pointer was stored.
 586  */
 587 void ice_free_seg(struct ice_hw *hw)
 588 {
 589         if (hw->pkg_copy) {
 590                 devm_kfree(ice_hw_to_dev(hw), hw->pkg_copy);
 591                 hw->pkg_copy = NULL;
 592                 hw->pkg_size = 0;
 593         }
 594         hw->seg = NULL;
 595 }
 596 
 597 /**
 598  * ice_init_pkg_regs - initialize additional package registers
 599  * @hw: pointer to the hardware structure
 600  */
 601 static void ice_init_pkg_regs(struct ice_hw *hw)
 602 {
 603 #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF
 604 #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF
 605 #define ICE_SW_BLK_IDX  0
 606 
 607         /* setup Switch block input mask, which is 48-bits in two parts */
 608         wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L);
 609         wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H);
 610 }
 611 
 612 /**
 613  * ice_chk_pkg_version - check package version for compatibility with driver
 614  * @pkg_ver: pointer to a version structure to check
 615  *
 616  * Check to make sure that the package about to be downloaded is compatible with
 617  * the driver. To be compatible, the major and minor components of the package
 618  * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR
 619  * definitions.
 620  */
 621 static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver)
 622 {
 623         if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ ||
 624             pkg_ver->minor != ICE_PKG_SUPP_VER_MNR)
 625                 return ICE_ERR_NOT_SUPPORTED;
 626 
 627         return 0;
 628 }
 629 
 630 /**
 631  * ice_init_pkg - initialize/download package
 632  * @hw: pointer to the hardware structure
 633  * @buf: pointer to the package buffer
 634  * @len: size of the package buffer
 635  *
 636  * This function initializes a package. The package contains HW tables
 637  * required to do packet processing. First, the function extracts package
 638  * information such as version. Then it finds the ice configuration segment
 639  * within the package; this function then saves a copy of the segment pointer
 640  * within the supplied package buffer. Next, the function will cache any hints
 641  * from the package, followed by downloading the package itself. Note, that if
 642  * a previous PF driver has already downloaded the package successfully, then
 643  * the current driver will not have to download the package again.
 644  *
 645  * The local package contents will be used to query default behavior and to
 646  * update specific sections of the HW's version of the package (e.g. to update
 647  * the parse graph to understand new protocols).
 648  *
 649  * This function stores a pointer to the package buffer memory, and it is
 650  * expected that the supplied buffer will not be freed immediately. If the
 651  * package buffer needs to be freed, such as when read from a file, use
 652  * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this
 653  * case.
 654  */
 655 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
 656 {
 657         struct ice_pkg_hdr *pkg;
 658         enum ice_status status;
 659         struct ice_seg *seg;
 660 
 661         if (!buf || !len)
 662                 return ICE_ERR_PARAM;
 663 
 664         pkg = (struct ice_pkg_hdr *)buf;
 665         status = ice_verify_pkg(pkg, len);
 666         if (status) {
 667                 ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n",
 668                           status);
 669                 return status;
 670         }
 671 
 672         /* initialize package info */
 673         status = ice_init_pkg_info(hw, pkg);
 674         if (status)
 675                 return status;
 676 
 677         /* before downloading the package, check package version for
 678          * compatibility with driver
 679          */
 680         status = ice_chk_pkg_version(&hw->pkg_ver);
 681         if (status)
 682                 return status;
 683 
 684         /* find segment in given package */
 685         seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg);
 686         if (!seg) {
 687                 ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
 688                 return ICE_ERR_CFG;
 689         }
 690 
 691         /* download package */
 692         status = ice_download_pkg(hw, seg);
 693         if (status == ICE_ERR_AQ_NO_WORK) {
 694                 ice_debug(hw, ICE_DBG_INIT,
 695                           "package previously loaded - no work.\n");
 696                 status = 0;
 697         }
 698 
 699         /* Get information on the package currently loaded in HW, then make sure
 700          * the driver is compatible with this version.
 701          */
 702         if (!status) {
 703                 status = ice_get_pkg_info(hw);
 704                 if (!status)
 705                         status = ice_chk_pkg_version(&hw->active_pkg_ver);
 706         }
 707 
 708         if (!status) {
 709                 hw->seg = seg;
 710                 /* on successful package download update other required
 711                  * registers to support the package and fill HW tables
 712                  * with package content.
 713                  */
 714                 ice_init_pkg_regs(hw);
 715                 ice_fill_blk_tbls(hw);
 716         } else {
 717                 ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
 718                           status);
 719         }
 720 
 721         return status;
 722 }
 723 
 724 /**
 725  * ice_copy_and_init_pkg - initialize/download a copy of the package
 726  * @hw: pointer to the hardware structure
 727  * @buf: pointer to the package buffer
 728  * @len: size of the package buffer
 729  *
 730  * This function copies the package buffer, and then calls ice_init_pkg() to
 731  * initialize the copied package contents.
 732  *
 733  * The copying is necessary if the package buffer supplied is constant, or if
 734  * the memory may disappear shortly after calling this function.
 735  *
 736  * If the package buffer resides in the data segment and can be modified, the
 737  * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg().
 738  *
 739  * However, if the package buffer needs to be copied first, such as when being
 740  * read from a file, the caller should use ice_copy_and_init_pkg().
 741  *
 742  * This function will first copy the package buffer, before calling
 743  * ice_init_pkg(). The caller is free to immediately destroy the original
 744  * package buffer, as the new copy will be managed by this function and
 745  * related routines.
 746  */
 747 enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len)
 748 {
 749         enum ice_status status;
 750         u8 *buf_copy;
 751 
 752         if (!buf || !len)
 753                 return ICE_ERR_PARAM;
 754 
 755         buf_copy = devm_kmemdup(ice_hw_to_dev(hw), buf, len, GFP_KERNEL);
 756 
 757         status = ice_init_pkg(hw, buf_copy, len);
 758         if (status) {
 759                 /* Free the copy, since we failed to initialize the package */
 760                 devm_kfree(ice_hw_to_dev(hw), buf_copy);
 761         } else {
 762                 /* Track the copied pkg so we can free it later */
 763                 hw->pkg_copy = buf_copy;
 764                 hw->pkg_size = len;
 765         }
 766 
 767         return status;
 768 }
 769 
 770 /* PTG Management */
 771 
 772 /**
 773  * ice_ptg_find_ptype - Search for packet type group using packet type (ptype)
 774  * @hw: pointer to the hardware structure
 775  * @blk: HW block
 776  * @ptype: the ptype to search for
 777  * @ptg: pointer to variable that receives the PTG
 778  *
 779  * This function will search the PTGs for a particular ptype, returning the
 780  * PTG ID that contains it through the PTG parameter, with the value of
 781  * ICE_DEFAULT_PTG (0) meaning it is part the default PTG.
 782  */
 783 static enum ice_status
 784 ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg)
 785 {
 786         if (ptype >= ICE_XLT1_CNT || !ptg)
 787                 return ICE_ERR_PARAM;
 788 
 789         *ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg;
 790         return 0;
 791 }
 792 
 793 /**
 794  * ice_ptg_alloc_val - Allocates a new packet type group ID by value
 795  * @hw: pointer to the hardware structure
 796  * @blk: HW block
 797  * @ptg: the PTG to allocate
 798  *
 799  * This function allocates a given packet type group ID specified by the PTG
 800  * parameter.
 801  */
 802 static void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg)
 803 {
 804         hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true;
 805 }
 806 
 807 /**
 808  * ice_ptg_remove_ptype - Removes ptype from a particular packet type group
 809  * @hw: pointer to the hardware structure
 810  * @blk: HW block
 811  * @ptype: the ptype to remove
 812  * @ptg: the PTG to remove the ptype from
 813  *
 814  * This function will remove the ptype from the specific PTG, and move it to
 815  * the default PTG (ICE_DEFAULT_PTG).
 816  */
 817 static enum ice_status
 818 ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
 819 {
 820         struct ice_ptg_ptype **ch;
 821         struct ice_ptg_ptype *p;
 822 
 823         if (ptype > ICE_XLT1_CNT - 1)
 824                 return ICE_ERR_PARAM;
 825 
 826         if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use)
 827                 return ICE_ERR_DOES_NOT_EXIST;
 828 
 829         /* Should not happen if .in_use is set, bad config */
 830         if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype)
 831                 return ICE_ERR_CFG;
 832 
 833         /* find the ptype within this PTG, and bypass the link over it */
 834         p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
 835         ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
 836         while (p) {
 837                 if (ptype == (p - hw->blk[blk].xlt1.ptypes)) {
 838                         *ch = p->next_ptype;
 839                         break;
 840                 }
 841 
 842                 ch = &p->next_ptype;
 843                 p = p->next_ptype;
 844         }
 845 
 846         hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG;
 847         hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL;
 848 
 849         return 0;
 850 }
 851 
 852 /**
 853  * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group
 854  * @hw: pointer to the hardware structure
 855  * @blk: HW block
 856  * @ptype: the ptype to add or move
 857  * @ptg: the PTG to add or move the ptype to
 858  *
 859  * This function will either add or move a ptype to a particular PTG depending
 860  * on if the ptype is already part of another group. Note that using a
 861  * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
 862  * default PTG.
 863  */
 864 static enum ice_status
 865 ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
 866 {
 867         enum ice_status status;
 868         u8 original_ptg;
 869 
 870         if (ptype > ICE_XLT1_CNT - 1)
 871                 return ICE_ERR_PARAM;
 872 
 873         if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG)
 874                 return ICE_ERR_DOES_NOT_EXIST;
 875 
 876         status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg);
 877         if (status)
 878                 return status;
 879 
 880         /* Is ptype already in the correct PTG? */
 881         if (original_ptg == ptg)
 882                 return 0;
 883 
 884         /* Remove from original PTG and move back to the default PTG */
 885         if (original_ptg != ICE_DEFAULT_PTG)
 886                 ice_ptg_remove_ptype(hw, blk, ptype, original_ptg);
 887 
 888         /* Moving to default PTG? Then we're done with this request */
 889         if (ptg == ICE_DEFAULT_PTG)
 890                 return 0;
 891 
 892         /* Add ptype to PTG at beginning of list */
 893         hw->blk[blk].xlt1.ptypes[ptype].next_ptype =
 894                 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
 895         hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype =
 896                 &hw->blk[blk].xlt1.ptypes[ptype];
 897 
 898         hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg;
 899         hw->blk[blk].xlt1.t[ptype] = ptg;
 900 
 901         return 0;
 902 }
 903 
 904 /* Block / table size info */
 905 struct ice_blk_size_details {
 906         u16 xlt1;                       /* # XLT1 entries */
 907         u16 xlt2;                       /* # XLT2 entries */
 908         u16 prof_tcam;                  /* # profile ID TCAM entries */
 909         u16 prof_id;                    /* # profile IDs */
 910         u8 prof_cdid_bits;              /* # CDID one-hot bits used in key */
 911         u16 prof_redir;                 /* # profile redirection entries */
 912         u16 es;                         /* # extraction sequence entries */
 913         u16 fvw;                        /* # field vector words */
 914         u8 overwrite;                   /* overwrite existing entries allowed */
 915         u8 reverse;                     /* reverse FV order */
 916 };
 917 
 918 static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = {
 919         /**
 920          * Table Definitions
 921          * XLT1 - Number of entries in XLT1 table
 922          * XLT2 - Number of entries in XLT2 table
 923          * TCAM - Number of entries Profile ID TCAM table
 924          * CDID - Control Domain ID of the hardware block
 925          * PRED - Number of entries in the Profile Redirection Table
 926          * FV   - Number of entries in the Field Vector
 927          * FVW  - Width (in WORDs) of the Field Vector
 928          * OVR  - Overwrite existing table entries
 929          * REV  - Reverse FV
 930          */
 931         /*          XLT1        , XLT2        ,TCAM, PID,CDID,PRED,   FV, FVW */
 932         /*          Overwrite   , Reverse FV */
 933         /* SW  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256,   0,  256, 256,  48,
 934                     false, false },
 935         /* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  32,
 936                     false, false },
 937         /* FD  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
 938                     false, true  },
 939         /* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
 940                     true,  true  },
 941         /* PE  */ { ICE_XLT1_CNT, ICE_XLT2_CNT,  64,  32,   0,   32,  32,  24,
 942                     false, false },
 943 };
 944 
 945 enum ice_sid_all {
 946         ICE_SID_XLT1_OFF = 0,
 947         ICE_SID_XLT2_OFF,
 948         ICE_SID_PR_OFF,
 949         ICE_SID_PR_REDIR_OFF,
 950         ICE_SID_ES_OFF,
 951         ICE_SID_OFF_COUNT,
 952 };
 953 
 954 /* VSIG Management */
 955 
 956 /**
 957  * ice_vsig_find_vsi - find a VSIG that contains a specified VSI
 958  * @hw: pointer to the hardware structure
 959  * @blk: HW block
 960  * @vsi: VSI of interest
 961  * @vsig: pointer to receive the VSI group
 962  *
 963  * This function will lookup the VSI entry in the XLT2 list and return
 964  * the VSI group its associated with.
 965  */
 966 static enum ice_status
 967 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig)
 968 {
 969         if (!vsig || vsi >= ICE_MAX_VSI)
 970                 return ICE_ERR_PARAM;
 971 
 972         /* As long as there's a default or valid VSIG associated with the input
 973          * VSI, the functions returns a success. Any handling of VSIG will be
 974          * done by the following add, update or remove functions.
 975          */
 976         *vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
 977 
 978         return 0;
 979 }
 980 
 981 /**
 982  * ice_vsig_alloc_val - allocate a new VSIG by value
 983  * @hw: pointer to the hardware structure
 984  * @blk: HW block
 985  * @vsig: the VSIG to allocate
 986  *
 987  * This function will allocate a given VSIG specified by the VSIG parameter.
 988  */
 989 static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig)
 990 {
 991         u16 idx = vsig & ICE_VSIG_IDX_M;
 992 
 993         if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) {
 994                 INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
 995                 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true;
 996         }
 997 
 998         return ICE_VSIG_VALUE(idx, hw->pf_id);
 999 }
1000 
1001 /**
1002  * ice_vsig_remove_vsi - remove VSI from VSIG
1003  * @hw: pointer to the hardware structure
1004  * @blk: HW block
1005  * @vsi: VSI to remove
1006  * @vsig: VSI group to remove from
1007  *
1008  * The function will remove the input VSI from its VSI group and move it
1009  * to the DEFAULT_VSIG.
1010  */
1011 static enum ice_status
1012 ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
1013 {
1014         struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt;
1015         u16 idx;
1016 
1017         idx = vsig & ICE_VSIG_IDX_M;
1018 
1019         if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
1020                 return ICE_ERR_PARAM;
1021 
1022         if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
1023                 return ICE_ERR_DOES_NOT_EXIST;
1024 
1025         /* entry already in default VSIG, don't have to remove */
1026         if (idx == ICE_DEFAULT_VSIG)
1027                 return 0;
1028 
1029         vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
1030         if (!(*vsi_head))
1031                 return ICE_ERR_CFG;
1032 
1033         vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi];
1034         vsi_cur = (*vsi_head);
1035 
1036         /* iterate the VSI list, skip over the entry to be removed */
1037         while (vsi_cur) {
1038                 if (vsi_tgt == vsi_cur) {
1039                         (*vsi_head) = vsi_cur->next_vsi;
1040                         break;
1041                 }
1042                 vsi_head = &vsi_cur->next_vsi;
1043                 vsi_cur = vsi_cur->next_vsi;
1044         }
1045 
1046         /* verify if VSI was removed from group list */
1047         if (!vsi_cur)
1048                 return ICE_ERR_DOES_NOT_EXIST;
1049 
1050         vsi_cur->vsig = ICE_DEFAULT_VSIG;
1051         vsi_cur->changed = 1;
1052         vsi_cur->next_vsi = NULL;
1053 
1054         return 0;
1055 }
1056 
1057 /**
1058  * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group
1059  * @hw: pointer to the hardware structure
1060  * @blk: HW block
1061  * @vsi: VSI to move
1062  * @vsig: destination VSI group
1063  *
1064  * This function will move or add the input VSI to the target VSIG.
1065  * The function will find the original VSIG the VSI belongs to and
1066  * move the entry to the DEFAULT_VSIG, update the original VSIG and
1067  * then move entry to the new VSIG.
1068  */
1069 static enum ice_status
1070 ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
1071 {
1072         struct ice_vsig_vsi *tmp;
1073         enum ice_status status;
1074         u16 orig_vsig, idx;
1075 
1076         idx = vsig & ICE_VSIG_IDX_M;
1077 
1078         if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
1079                 return ICE_ERR_PARAM;
1080 
1081         /* if VSIG not in use and VSIG is not default type this VSIG
1082          * doesn't exist.
1083          */
1084         if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use &&
1085             vsig != ICE_DEFAULT_VSIG)
1086                 return ICE_ERR_DOES_NOT_EXIST;
1087 
1088         status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
1089         if (status)
1090                 return status;
1091 
1092         /* no update required if vsigs match */
1093         if (orig_vsig == vsig)
1094                 return 0;
1095 
1096         if (orig_vsig != ICE_DEFAULT_VSIG) {
1097                 /* remove entry from orig_vsig and add to default VSIG */
1098                 status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig);
1099                 if (status)
1100                         return status;
1101         }
1102 
1103         if (idx == ICE_DEFAULT_VSIG)
1104                 return 0;
1105 
1106         /* Create VSI entry and add VSIG and prop_mask values */
1107         hw->blk[blk].xlt2.vsis[vsi].vsig = vsig;
1108         hw->blk[blk].xlt2.vsis[vsi].changed = 1;
1109 
1110         /* Add new entry to the head of the VSIG list */
1111         tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
1112         hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi =
1113                 &hw->blk[blk].xlt2.vsis[vsi];
1114         hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp;
1115         hw->blk[blk].xlt2.t[vsi] = vsig;
1116 
1117         return 0;
1118 }
1119 
1120 /* Block / table section IDs */
1121 static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = {
1122         /* SWITCH */
1123         {       ICE_SID_XLT1_SW,
1124                 ICE_SID_XLT2_SW,
1125                 ICE_SID_PROFID_TCAM_SW,
1126                 ICE_SID_PROFID_REDIR_SW,
1127                 ICE_SID_FLD_VEC_SW
1128         },
1129 
1130         /* ACL */
1131         {       ICE_SID_XLT1_ACL,
1132                 ICE_SID_XLT2_ACL,
1133                 ICE_SID_PROFID_TCAM_ACL,
1134                 ICE_SID_PROFID_REDIR_ACL,
1135                 ICE_SID_FLD_VEC_ACL
1136         },
1137 
1138         /* FD */
1139         {       ICE_SID_XLT1_FD,
1140                 ICE_SID_XLT2_FD,
1141                 ICE_SID_PROFID_TCAM_FD,
1142                 ICE_SID_PROFID_REDIR_FD,
1143                 ICE_SID_FLD_VEC_FD
1144         },
1145 
1146         /* RSS */
1147         {       ICE_SID_XLT1_RSS,
1148                 ICE_SID_XLT2_RSS,
1149                 ICE_SID_PROFID_TCAM_RSS,
1150                 ICE_SID_PROFID_REDIR_RSS,
1151                 ICE_SID_FLD_VEC_RSS
1152         },
1153 
1154         /* PE */
1155         {       ICE_SID_XLT1_PE,
1156                 ICE_SID_XLT2_PE,
1157                 ICE_SID_PROFID_TCAM_PE,
1158                 ICE_SID_PROFID_REDIR_PE,
1159                 ICE_SID_FLD_VEC_PE
1160         }
1161 };
1162 
1163 /**
1164  * ice_init_sw_xlt1_db - init software XLT1 database from HW tables
1165  * @hw: pointer to the hardware structure
1166  * @blk: the HW block to initialize
1167  */
1168 static void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk)
1169 {
1170         u16 pt;
1171 
1172         for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) {
1173                 u8 ptg;
1174 
1175                 ptg = hw->blk[blk].xlt1.t[pt];
1176                 if (ptg != ICE_DEFAULT_PTG) {
1177                         ice_ptg_alloc_val(hw, blk, ptg);
1178                         ice_ptg_add_mv_ptype(hw, blk, pt, ptg);
1179                 }
1180         }
1181 }
1182 
1183 /**
1184  * ice_init_sw_xlt2_db - init software XLT2 database from HW tables
1185  * @hw: pointer to the hardware structure
1186  * @blk: the HW block to initialize
1187  */
1188 static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk)
1189 {
1190         u16 vsi;
1191 
1192         for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) {
1193                 u16 vsig;
1194 
1195                 vsig = hw->blk[blk].xlt2.t[vsi];
1196                 if (vsig) {
1197                         ice_vsig_alloc_val(hw, blk, vsig);
1198                         ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
1199                         /* no changes at this time, since this has been
1200                          * initialized from the original package
1201                          */
1202                         hw->blk[blk].xlt2.vsis[vsi].changed = 0;
1203                 }
1204         }
1205 }
1206 
1207 /**
1208  * ice_init_sw_db - init software database from HW tables
1209  * @hw: pointer to the hardware structure
1210  */
1211 static void ice_init_sw_db(struct ice_hw *hw)
1212 {
1213         u16 i;
1214 
1215         for (i = 0; i < ICE_BLK_COUNT; i++) {
1216                 ice_init_sw_xlt1_db(hw, (enum ice_block)i);
1217                 ice_init_sw_xlt2_db(hw, (enum ice_block)i);
1218         }
1219 }
1220 
1221 /**
1222  * ice_fill_tbl - Reads content of a single table type into database
1223  * @hw: pointer to the hardware structure
1224  * @block_id: Block ID of the table to copy
1225  * @sid: Section ID of the table to copy
1226  *
1227  * Will attempt to read the entire content of a given table of a single block
1228  * into the driver database. We assume that the buffer will always
1229  * be as large or larger than the data contained in the package. If
1230  * this condition is not met, there is most likely an error in the package
1231  * contents.
1232  */
1233 static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid)
1234 {
1235         u32 dst_len, sect_len, offset = 0;
1236         struct ice_prof_redir_section *pr;
1237         struct ice_prof_id_section *pid;
1238         struct ice_xlt1_section *xlt1;
1239         struct ice_xlt2_section *xlt2;
1240         struct ice_sw_fv_section *es;
1241         struct ice_pkg_enum state;
1242         u8 *src, *dst;
1243         void *sect;
1244 
1245         /* if the HW segment pointer is null then the first iteration of
1246          * ice_pkg_enum_section() will fail. In this case the HW tables will
1247          * not be filled and return success.
1248          */
1249         if (!hw->seg) {
1250                 ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n");
1251                 return;
1252         }
1253 
1254         memset(&state, 0, sizeof(state));
1255 
1256         sect = ice_pkg_enum_section(hw->seg, &state, sid);
1257 
1258         while (sect) {
1259                 switch (sid) {
1260                 case ICE_SID_XLT1_SW:
1261                 case ICE_SID_XLT1_FD:
1262                 case ICE_SID_XLT1_RSS:
1263                 case ICE_SID_XLT1_ACL:
1264                 case ICE_SID_XLT1_PE:
1265                         xlt1 = (struct ice_xlt1_section *)sect;
1266                         src = xlt1->value;
1267                         sect_len = le16_to_cpu(xlt1->count) *
1268                                 sizeof(*hw->blk[block_id].xlt1.t);
1269                         dst = hw->blk[block_id].xlt1.t;
1270                         dst_len = hw->blk[block_id].xlt1.count *
1271                                 sizeof(*hw->blk[block_id].xlt1.t);
1272                         break;
1273                 case ICE_SID_XLT2_SW:
1274                 case ICE_SID_XLT2_FD:
1275                 case ICE_SID_XLT2_RSS:
1276                 case ICE_SID_XLT2_ACL:
1277                 case ICE_SID_XLT2_PE:
1278                         xlt2 = (struct ice_xlt2_section *)sect;
1279                         src = (__force u8 *)xlt2->value;
1280                         sect_len = le16_to_cpu(xlt2->count) *
1281                                 sizeof(*hw->blk[block_id].xlt2.t);
1282                         dst = (u8 *)hw->blk[block_id].xlt2.t;
1283                         dst_len = hw->blk[block_id].xlt2.count *
1284                                 sizeof(*hw->blk[block_id].xlt2.t);
1285                         break;
1286                 case ICE_SID_PROFID_TCAM_SW:
1287                 case ICE_SID_PROFID_TCAM_FD:
1288                 case ICE_SID_PROFID_TCAM_RSS:
1289                 case ICE_SID_PROFID_TCAM_ACL:
1290                 case ICE_SID_PROFID_TCAM_PE:
1291                         pid = (struct ice_prof_id_section *)sect;
1292                         src = (u8 *)pid->entry;
1293                         sect_len = le16_to_cpu(pid->count) *
1294                                 sizeof(*hw->blk[block_id].prof.t);
1295                         dst = (u8 *)hw->blk[block_id].prof.t;
1296                         dst_len = hw->blk[block_id].prof.count *
1297                                 sizeof(*hw->blk[block_id].prof.t);
1298                         break;
1299                 case ICE_SID_PROFID_REDIR_SW:
1300                 case ICE_SID_PROFID_REDIR_FD:
1301                 case ICE_SID_PROFID_REDIR_RSS:
1302                 case ICE_SID_PROFID_REDIR_ACL:
1303                 case ICE_SID_PROFID_REDIR_PE:
1304                         pr = (struct ice_prof_redir_section *)sect;
1305                         src = pr->redir_value;
1306                         sect_len = le16_to_cpu(pr->count) *
1307                                 sizeof(*hw->blk[block_id].prof_redir.t);
1308                         dst = hw->blk[block_id].prof_redir.t;
1309                         dst_len = hw->blk[block_id].prof_redir.count *
1310                                 sizeof(*hw->blk[block_id].prof_redir.t);
1311                         break;
1312                 case ICE_SID_FLD_VEC_SW:
1313                 case ICE_SID_FLD_VEC_FD:
1314                 case ICE_SID_FLD_VEC_RSS:
1315                 case ICE_SID_FLD_VEC_ACL:
1316                 case ICE_SID_FLD_VEC_PE:
1317                         es = (struct ice_sw_fv_section *)sect;
1318                         src = (u8 *)es->fv;
1319                         sect_len = (u32)(le16_to_cpu(es->count) *
1320                                          hw->blk[block_id].es.fvw) *
1321                                 sizeof(*hw->blk[block_id].es.t);
1322                         dst = (u8 *)hw->blk[block_id].es.t;
1323                         dst_len = (u32)(hw->blk[block_id].es.count *
1324                                         hw->blk[block_id].es.fvw) *
1325                                 sizeof(*hw->blk[block_id].es.t);
1326                         break;
1327                 default:
1328                         return;
1329                 }
1330 
1331                 /* if the section offset exceeds destination length, terminate
1332                  * table fill.
1333                  */
1334                 if (offset > dst_len)
1335                         return;
1336 
1337                 /* if the sum of section size and offset exceed destination size
1338                  * then we are out of bounds of the HW table size for that PF.
1339                  * Changing section length to fill the remaining table space
1340                  * of that PF.
1341                  */
1342                 if ((offset + sect_len) > dst_len)
1343                         sect_len = dst_len - offset;
1344 
1345                 memcpy(dst + offset, src, sect_len);
1346                 offset += sect_len;
1347                 sect = ice_pkg_enum_section(NULL, &state, sid);
1348         }
1349 }
1350 
1351 /**
1352  * ice_fill_blk_tbls - Read package context for tables
1353  * @hw: pointer to the hardware structure
1354  *
1355  * Reads the current package contents and populates the driver
1356  * database with the data iteratively for all advanced feature
1357  * blocks. Assume that the HW tables have been allocated.
1358  */
1359 void ice_fill_blk_tbls(struct ice_hw *hw)
1360 {
1361         u8 i;
1362 
1363         for (i = 0; i < ICE_BLK_COUNT; i++) {
1364                 enum ice_block blk_id = (enum ice_block)i;
1365 
1366                 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid);
1367                 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid);
1368                 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid);
1369                 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid);
1370                 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid);
1371         }
1372 
1373         ice_init_sw_db(hw);
1374 }
1375 
1376 /**
1377  * ice_free_hw_tbls - free hardware table memory
1378  * @hw: pointer to the hardware structure
1379  */
1380 void ice_free_hw_tbls(struct ice_hw *hw)
1381 {
1382         u8 i;
1383 
1384         for (i = 0; i < ICE_BLK_COUNT; i++) {
1385                 hw->blk[i].is_list_init = false;
1386 
1387                 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.ptypes);
1388                 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.ptg_tbl);
1389                 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.t);
1390                 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.t);
1391                 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.vsig_tbl);
1392                 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.vsis);
1393                 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof.t);
1394                 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof_redir.t);
1395                 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.t);
1396                 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.ref_count);
1397                 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.written);
1398         }
1399 
1400         memset(hw->blk, 0, sizeof(hw->blk));
1401 }
1402 
1403 /**
1404  * ice_clear_hw_tbls - clear HW tables and flow profiles
1405  * @hw: pointer to the hardware structure
1406  */
1407 void ice_clear_hw_tbls(struct ice_hw *hw)
1408 {
1409         u8 i;
1410 
1411         for (i = 0; i < ICE_BLK_COUNT; i++) {
1412                 struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
1413                 struct ice_prof_tcam *prof = &hw->blk[i].prof;
1414                 struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
1415                 struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
1416                 struct ice_es *es = &hw->blk[i].es;
1417 
1418                 memset(xlt1->ptypes, 0, xlt1->count * sizeof(*xlt1->ptypes));
1419                 memset(xlt1->ptg_tbl, 0,
1420                        ICE_MAX_PTGS * sizeof(*xlt1->ptg_tbl));
1421                 memset(xlt1->t, 0, xlt1->count * sizeof(*xlt1->t));
1422 
1423                 memset(xlt2->vsis, 0, xlt2->count * sizeof(*xlt2->vsis));
1424                 memset(xlt2->vsig_tbl, 0,
1425                        xlt2->count * sizeof(*xlt2->vsig_tbl));
1426                 memset(xlt2->t, 0, xlt2->count * sizeof(*xlt2->t));
1427 
1428                 memset(prof->t, 0, prof->count * sizeof(*prof->t));
1429                 memset(prof_redir->t, 0,
1430                        prof_redir->count * sizeof(*prof_redir->t));
1431 
1432                 memset(es->t, 0, es->count * sizeof(*es->t));
1433                 memset(es->ref_count, 0, es->count * sizeof(*es->ref_count));
1434                 memset(es->written, 0, es->count * sizeof(*es->written));
1435         }
1436 }
1437 
1438 /**
1439  * ice_init_hw_tbls - init hardware table memory
1440  * @hw: pointer to the hardware structure
1441  */
1442 enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
1443 {
1444         u8 i;
1445 
1446         for (i = 0; i < ICE_BLK_COUNT; i++) {
1447                 struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
1448                 struct ice_prof_tcam *prof = &hw->blk[i].prof;
1449                 struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
1450                 struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
1451                 struct ice_es *es = &hw->blk[i].es;
1452                 u16 j;
1453 
1454                 if (hw->blk[i].is_list_init)
1455                         continue;
1456 
1457                 hw->blk[i].is_list_init = true;
1458 
1459                 hw->blk[i].overwrite = blk_sizes[i].overwrite;
1460                 es->reverse = blk_sizes[i].reverse;
1461 
1462                 xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF];
1463                 xlt1->count = blk_sizes[i].xlt1;
1464 
1465                 xlt1->ptypes = devm_kcalloc(ice_hw_to_dev(hw), xlt1->count,
1466                                             sizeof(*xlt1->ptypes), GFP_KERNEL);
1467 
1468                 if (!xlt1->ptypes)
1469                         goto err;
1470 
1471                 xlt1->ptg_tbl = devm_kcalloc(ice_hw_to_dev(hw), ICE_MAX_PTGS,
1472                                              sizeof(*xlt1->ptg_tbl),
1473                                              GFP_KERNEL);
1474 
1475                 if (!xlt1->ptg_tbl)
1476                         goto err;
1477 
1478                 xlt1->t = devm_kcalloc(ice_hw_to_dev(hw), xlt1->count,
1479                                        sizeof(*xlt1->t), GFP_KERNEL);
1480                 if (!xlt1->t)
1481                         goto err;
1482 
1483                 xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF];
1484                 xlt2->count = blk_sizes[i].xlt2;
1485 
1486                 xlt2->vsis = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count,
1487                                           sizeof(*xlt2->vsis), GFP_KERNEL);
1488 
1489                 if (!xlt2->vsis)
1490                         goto err;
1491 
1492                 xlt2->vsig_tbl = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count,
1493                                               sizeof(*xlt2->vsig_tbl),
1494                                               GFP_KERNEL);
1495                 if (!xlt2->vsig_tbl)
1496                         goto err;
1497 
1498                 for (j = 0; j < xlt2->count; j++)
1499                         INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst);
1500 
1501                 xlt2->t = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count,
1502                                        sizeof(*xlt2->t), GFP_KERNEL);
1503                 if (!xlt2->t)
1504                         goto err;
1505 
1506                 prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF];
1507                 prof->count = blk_sizes[i].prof_tcam;
1508                 prof->max_prof_id = blk_sizes[i].prof_id;
1509                 prof->cdid_bits = blk_sizes[i].prof_cdid_bits;
1510                 prof->t = devm_kcalloc(ice_hw_to_dev(hw), prof->count,
1511                                        sizeof(*prof->t), GFP_KERNEL);
1512 
1513                 if (!prof->t)
1514                         goto err;
1515 
1516                 prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF];
1517                 prof_redir->count = blk_sizes[i].prof_redir;
1518                 prof_redir->t = devm_kcalloc(ice_hw_to_dev(hw),
1519                                              prof_redir->count,
1520                                              sizeof(*prof_redir->t),
1521                                              GFP_KERNEL);
1522 
1523                 if (!prof_redir->t)
1524                         goto err;
1525 
1526                 es->sid = ice_blk_sids[i][ICE_SID_ES_OFF];
1527                 es->count = blk_sizes[i].es;
1528                 es->fvw = blk_sizes[i].fvw;
1529                 es->t = devm_kcalloc(ice_hw_to_dev(hw),
1530                                      (u32)(es->count * es->fvw),
1531                                      sizeof(*es->t), GFP_KERNEL);
1532                 if (!es->t)
1533                         goto err;
1534 
1535                 es->ref_count = devm_kcalloc(ice_hw_to_dev(hw), es->count,
1536                                              sizeof(*es->ref_count),
1537                                              GFP_KERNEL);
1538 
1539                 es->written = devm_kcalloc(ice_hw_to_dev(hw), es->count,
1540                                            sizeof(*es->written), GFP_KERNEL);
1541                 if (!es->ref_count)
1542                         goto err;
1543         }
1544         return 0;
1545 
1546 err:
1547         ice_free_hw_tbls(hw);
1548         return ICE_ERR_NO_MEMORY;
1549 }

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