drivers/net/wireless/intel/iwlwifi/fw/img.h

   1 /******************************************************************************
   2  *
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
   9  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  10  * Copyright(c) 2016        Intel Deutschland GmbH
  11  * Copyright(c) 2018 - 2019 Intel Corporation
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of version 2 of the GNU General Public License as
  15  * published by the Free Software Foundation.
  16  *
  17  * This program is distributed in the hope that it will be useful, but
  18  * WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * General Public License for more details.
  21  *
  22  * The full GNU General Public License is included in this distribution
  23  * in the file called COPYING.
  24  *
  25  * Contact Information:
  26  *  Intel Linux Wireless <linuxwifi@intel.com>
  27  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  28  *
  29  * BSD LICENSE
  30  *
  31  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
  32  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  33  * Copyright(c) 2016        Intel Deutschland GmbH
  34  * Copyright(c) 2018 - 2019 Intel Corporation
  35  * All rights reserved.
  36  *
  37  * Redistribution and use in source and binary forms, with or without
  38  * modification, are permitted provided that the following conditions
  39  * are met:
  40  *
  41  *  * Redistributions of source code must retain the above copyright
  42  *    notice, this list of conditions and the following disclaimer.
  43  *  * Redistributions in binary form must reproduce the above copyright
  44  *    notice, this list of conditions and the following disclaimer in
  45  *    the documentation and/or other materials provided with the
  46  *    distribution.
  47  *  * Neither the name Intel Corporation nor the names of its
  48  *    contributors may be used to endorse or promote products derived
  49  *    from this software without specific prior written permission.
  50  *
  51  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  52  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  53  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  54  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  55  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  56  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  57  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  58  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  59  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  60  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  61  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  62  *****************************************************************************/
  63
  64 #ifndef __iwl_fw_img_h__
  65 #define __iwl_fw_img_h__
  66 #include <linux/types.h>
  67
  68 #include "api/dbg-tlv.h"
  69
  70 #include "file.h"
  71 #include "error-dump.h"
  72
  73 /**
  74  * enum iwl_ucode_type
  75  *
  76  * The type of ucode.
  77  *
  78  * @IWL_UCODE_REGULAR: Normal runtime ucode
  79  * @IWL_UCODE_INIT: Initial ucode
  80  * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
  81  * @IWL_UCODE_REGULAR_USNIFFER: Normal runtime ucode when using usniffer image
  82  */
  83 enum iwl_ucode_type {
  84         IWL_UCODE_REGULAR,
  85         IWL_UCODE_INIT,
  86         IWL_UCODE_WOWLAN,
  87         IWL_UCODE_REGULAR_USNIFFER,
  88         IWL_UCODE_TYPE_MAX,
  89 };
  90
  91 /*
  92  * enumeration of ucode section.
  93  * This enumeration is used directly for older firmware (before 16.0).
  94  * For new firmware, there can be up to 4 sections (see below) but the
  95  * first one packaged into the firmware file is the DATA section and
  96  * some debugging code accesses that.
  97  */
  98 enum iwl_ucode_sec {
  99         IWL_UCODE_SECTION_DATA,
 100         IWL_UCODE_SECTION_INST,
 101 };
 102
 103 struct iwl_ucode_capabilities {
 104         u32 max_probe_length;
 105         u32 n_scan_channels;
 106         u32 standard_phy_calibration_size;
 107         u32 flags;
 108         u32 error_log_addr;
 109         u32 error_log_size;
 110         unsigned long _api[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_API)];
 111         unsigned long _capa[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_CAPA)];
 112
 113         const struct iwl_fw_cmd_version *cmd_versions;
 114         u32 n_cmd_versions;
 115 };
 116
 117 static inline bool
 118 fw_has_api(const struct iwl_ucode_capabilities *capabilities,
 119            iwl_ucode_tlv_api_t api)
 120 {
 121         return test_bit((__force long)api, capabilities->_api);
 122 }
 123
 124 static inline bool
 125 fw_has_capa(const struct iwl_ucode_capabilities *capabilities,
 126             iwl_ucode_tlv_capa_t capa)
 127 {
 128         return test_bit((__force long)capa, capabilities->_capa);
 129 }
 130
 131 /* one for each uCode image (inst/data, init/runtime/wowlan) */
 132 struct fw_desc {
 133         const void *data;       /* vmalloc'ed data */
 134         u32 len;                /* size in bytes */
 135         u32 offset;             /* offset in the device */
 136 };
 137
 138 struct fw_img {
 139         struct fw_desc *sec;
 140         int num_sec;
 141         bool is_dual_cpus;
 142         u32 paging_mem_size;
 143 };
 144
 145 /*
 146  * Block paging calculations
 147  */
 148 #define PAGE_2_EXP_SIZE 12 /* 4K == 2^12 */
 149 #define FW_PAGING_SIZE BIT(PAGE_2_EXP_SIZE) /* page size is 4KB */
 150 #define PAGE_PER_GROUP_2_EXP_SIZE 3
 151 /* 8 pages per group */
 152 #define NUM_OF_PAGE_PER_GROUP BIT(PAGE_PER_GROUP_2_EXP_SIZE)
 153 /* don't change, support only 32KB size */
 154 #define PAGING_BLOCK_SIZE (NUM_OF_PAGE_PER_GROUP * FW_PAGING_SIZE)
 155 /* 32K == 2^15 */
 156 #define BLOCK_2_EXP_SIZE (PAGE_2_EXP_SIZE + PAGE_PER_GROUP_2_EXP_SIZE)
 157
 158 /*
 159  * Image paging calculations
 160  */
 161 #define BLOCK_PER_IMAGE_2_EXP_SIZE 5
 162 /* 2^5 == 32 blocks per image */
 163 #define NUM_OF_BLOCK_PER_IMAGE BIT(BLOCK_PER_IMAGE_2_EXP_SIZE)
 164 /* maximum image size 1024KB */
 165 #define MAX_PAGING_IMAGE_SIZE (NUM_OF_BLOCK_PER_IMAGE * PAGING_BLOCK_SIZE)
 166
 167 /* Virtual address signature */
 168 #define PAGING_ADDR_SIG 0xAA000000
 169
 170 #define PAGING_CMD_IS_SECURED BIT(9)
 171 #define PAGING_CMD_IS_ENABLED BIT(8)
 172 #define PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS 0
 173 #define PAGING_TLV_SECURE_MASK 1
 174
 175 /**
 176  * struct iwl_fw_paging
 177  * @fw_paging_phys: page phy pointer
 178  * @fw_paging_block: pointer to the allocated block
 179  * @fw_paging_size: page size
 180  */
 181 struct iwl_fw_paging {
 182         dma_addr_t fw_paging_phys;
 183         struct page *fw_paging_block;
 184         u32 fw_paging_size;
 185 };
 186
 187 /**
 188  * struct iwl_fw_cscheme_list - a cipher scheme list
 189  * @size: a number of entries
 190  * @cs: cipher scheme entries
 191  */
 192 struct iwl_fw_cscheme_list {
 193         u8 size;
 194         struct iwl_fw_cipher_scheme cs[];
 195 } __packed;
 196
 197 /**
 198  * enum iwl_fw_type - iwlwifi firmware type
 199  * @IWL_FW_DVM: DVM firmware
 200  * @IWL_FW_MVM: MVM firmware
 201  */
 202 enum iwl_fw_type {
 203         IWL_FW_DVM,
 204         IWL_FW_MVM,
 205 };
 206
 207 /**
 208  * struct iwl_fw_dbg - debug data
 209  *
 210  * @dest_tlv: points to debug destination TLV (typically SRAM or DRAM)
 211  * @n_dest_reg: num of reg_ops in dest_tlv
 212  * @conf_tlv: array of pointers to configuration HCMDs
 213  * @trigger_tlv: array of pointers to triggers TLVs
 214  * @trigger_tlv_len: lengths of the @dbg_trigger_tlv entries
 215  * @mem_tlv: Runtime addresses to dump
 216  * @n_mem_tlv: number of runtime addresses
 217  * @dump_mask: bitmask of dump regions
 218 */
 219 struct iwl_fw_dbg {
 220         struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv;
 221         u8 n_dest_reg;
 222         struct iwl_fw_dbg_conf_tlv *conf_tlv[FW_DBG_CONF_MAX];
 223         struct iwl_fw_dbg_trigger_tlv *trigger_tlv[FW_DBG_TRIGGER_MAX];
 224         size_t trigger_tlv_len[FW_DBG_TRIGGER_MAX];
 225         struct iwl_fw_dbg_mem_seg_tlv *mem_tlv;
 226         size_t n_mem_tlv;
 227         u32 dump_mask;
 228 };
 229
 230 /**
 231  * struct iwl_fw - variables associated with the firmware
 232  *
 233  * @ucode_ver: ucode version from the ucode file
 234  * @fw_version: firmware version string
 235  * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
 236  * @iml_len: length of the image loader image
 237  * @iml: image loader fw image
 238  * @ucode_capa: capabilities parsed from the ucode file.
 239  * @enhance_sensitivity_table: device can do enhanced sensitivity.
 240  * @init_evtlog_ptr: event log offset for init ucode.
 241  * @init_evtlog_size: event log size for init ucode.
 242  * @init_errlog_ptr: error log offfset for init ucode.
 243  * @inst_evtlog_ptr: event log offset for runtime ucode.
 244  * @inst_evtlog_size: event log size for runtime ucode.
 245  * @inst_errlog_ptr: error log offfset for runtime ucode.
 246  * @type: firmware type (&enum iwl_fw_type)
 247  * @cipher_scheme: optional external cipher scheme.
 248  * @human_readable: human readable version
 249  *      we get the ALIVE from the uCode
 250  */
 251 struct iwl_fw {
 252         u32 ucode_ver;
 253
 254         char fw_version[64];
 255
 256         /* ucode images */
 257         struct fw_img img[IWL_UCODE_TYPE_MAX];
 258         size_t iml_len;
 259         u8 *iml;
 260
 261         struct iwl_ucode_capabilities ucode_capa;
 262         bool enhance_sensitivity_table;
 263
 264         u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
 265         u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
 266
 267         struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
 268         u32 phy_config;
 269         u8 valid_tx_ant;
 270         u8 valid_rx_ant;
 271
 272         enum iwl_fw_type type;
 273
 274         struct iwl_fw_cipher_scheme cs[IWL_UCODE_MAX_CS];
 275         u8 human_readable[FW_VER_HUMAN_READABLE_SZ];
 276
 277         struct iwl_fw_dbg dbg;
 278 };
 279
 280 static inline const char *get_fw_dbg_mode_string(int mode)
 281 {
 282         switch (mode) {
 283         case SMEM_MODE:
 284                 return "SMEM";
 285         case EXTERNAL_MODE:
 286                 return "EXTERNAL_DRAM";
 287         case MARBH_MODE:
 288                 return "MARBH";
 289         case MIPI_MODE:
 290                 return "MIPI";
 291         default:
 292                 return "UNKNOWN";
 293         }
 294 }
 295
 296 static inline bool
 297 iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
 298 {
 299         const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg.conf_tlv[id];
 300
 301         if (!conf_tlv)
 302                 return false;
 303
 304         return conf_tlv->usniffer;
 305 }
 306
 307 static inline const struct fw_img *
 308 iwl_get_ucode_image(const struct iwl_fw *fw, enum iwl_ucode_type ucode_type)
 309 {
 310         if (ucode_type >= IWL_UCODE_TYPE_MAX)
 311                 return NULL;
 312
 313         return &fw->img[ucode_type];
 314 }
 315
 316 static inline u8 iwl_mvm_lookup_cmd_ver(const struct iwl_fw *fw, u8 grp, u8 cmd)
 317 {
 318         const struct iwl_fw_cmd_version *entry;
 319         unsigned int i;
 320
 321         if (!fw->ucode_capa.cmd_versions ||
 322             !fw->ucode_capa.n_cmd_versions)
 323                 return IWL_FW_CMD_VER_UNKNOWN;
 324
 325         entry = fw->ucode_capa.cmd_versions;
 326         for (i = 0; i < fw->ucode_capa.n_cmd_versions; i++, entry++) {
 327                 if (entry->group == grp && entry->cmd == cmd)
 328                         return entry->cmd_ver;
 329         }
 330
 331         return IWL_FW_CMD_VER_UNKNOWN;
 332 }
 333
 334 #endif  /* __iwl_fw_img_h__ */