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

   1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
   2 /*
   3  * Copyright (C) 2005-2014, 2018-2020 Intel Corporation
   4  * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
   5  * Copyright (C) 2016 Intel Deutschland GmbH
   6  */
   7 #ifndef __iwl_fw_img_h__
   8 #define __iwl_fw_img_h__
   9 #include <linux/types.h>
  10
  11 #include "api/dbg-tlv.h"
  12
  13 #include "file.h"
  14 #include "error-dump.h"
  15
  16 /**
  17  * enum iwl_ucode_type
  18  *
  19  * The type of ucode.
  20  *
  21  * @IWL_UCODE_REGULAR: Normal runtime ucode
  22  * @IWL_UCODE_INIT: Initial ucode
  23  * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
  24  * @IWL_UCODE_REGULAR_USNIFFER: Normal runtime ucode when using usniffer image
  25  */
  26 enum iwl_ucode_type {
  27         IWL_UCODE_REGULAR,
  28         IWL_UCODE_INIT,
  29         IWL_UCODE_WOWLAN,
  30         IWL_UCODE_REGULAR_USNIFFER,
  31         IWL_UCODE_TYPE_MAX,
  32 };
  33
  34 /*
  35  * enumeration of ucode section.
  36  * This enumeration is used directly for older firmware (before 16.0).
  37  * For new firmware, there can be up to 4 sections (see below) but the
  38  * first one packaged into the firmware file is the DATA section and
  39  * some debugging code accesses that.
  40  */
  41 enum iwl_ucode_sec {
  42         IWL_UCODE_SECTION_DATA,
  43         IWL_UCODE_SECTION_INST,
  44 };
  45
  46 struct iwl_ucode_capabilities {
  47         u32 max_probe_length;
  48         u32 n_scan_channels;
  49         u32 standard_phy_calibration_size;
  50         u32 flags;
  51         u32 error_log_addr;
  52         u32 error_log_size;
  53         u32 num_stations;
  54         unsigned long _api[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_API)];
  55         unsigned long _capa[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_CAPA)];
  56
  57         const struct iwl_fw_cmd_version *cmd_versions;
  58         u32 n_cmd_versions;
  59 };
  60
  61 static inline bool
  62 fw_has_api(const struct iwl_ucode_capabilities *capabilities,
  63            iwl_ucode_tlv_api_t api)
  64 {
  65         return test_bit((__force long)api, capabilities->_api);
  66 }
  67
  68 static inline bool
  69 fw_has_capa(const struct iwl_ucode_capabilities *capabilities,
  70             iwl_ucode_tlv_capa_t capa)
  71 {
  72         return test_bit((__force long)capa, capabilities->_capa);
  73 }
  74
  75 /* one for each uCode image (inst/data, init/runtime/wowlan) */
  76 struct fw_desc {
  77         const void *data;       /* vmalloc'ed data */
  78         u32 len;                /* size in bytes */
  79         u32 offset;             /* offset in the device */
  80 };
  81
  82 struct fw_img {
  83         struct fw_desc *sec;
  84         int num_sec;
  85         bool is_dual_cpus;
  86         u32 paging_mem_size;
  87 };
  88
  89 /*
  90  * Block paging calculations
  91  */
  92 #define PAGE_2_EXP_SIZE 12 /* 4K == 2^12 */
  93 #define FW_PAGING_SIZE BIT(PAGE_2_EXP_SIZE) /* page size is 4KB */
  94 #define PAGE_PER_GROUP_2_EXP_SIZE 3
  95 /* 8 pages per group */
  96 #define NUM_OF_PAGE_PER_GROUP BIT(PAGE_PER_GROUP_2_EXP_SIZE)
  97 /* don't change, support only 32KB size */
  98 #define PAGING_BLOCK_SIZE (NUM_OF_PAGE_PER_GROUP * FW_PAGING_SIZE)
  99 /* 32K == 2^15 */
 100 #define BLOCK_2_EXP_SIZE (PAGE_2_EXP_SIZE + PAGE_PER_GROUP_2_EXP_SIZE)
 101
 102 /*
 103  * Image paging calculations
 104  */
 105 #define BLOCK_PER_IMAGE_2_EXP_SIZE 5
 106 /* 2^5 == 32 blocks per image */
 107 #define NUM_OF_BLOCK_PER_IMAGE BIT(BLOCK_PER_IMAGE_2_EXP_SIZE)
 108 /* maximum image size 1024KB */
 109 #define MAX_PAGING_IMAGE_SIZE (NUM_OF_BLOCK_PER_IMAGE * PAGING_BLOCK_SIZE)
 110
 111 /* Virtual address signature */
 112 #define PAGING_ADDR_SIG 0xAA000000
 113
 114 #define PAGING_CMD_IS_SECURED BIT(9)
 115 #define PAGING_CMD_IS_ENABLED BIT(8)
 116 #define PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS 0
 117 #define PAGING_TLV_SECURE_MASK 1
 118
 119 /**
 120  * struct iwl_fw_paging
 121  * @fw_paging_phys: page phy pointer
 122  * @fw_paging_block: pointer to the allocated block
 123  * @fw_paging_size: page size
 124  */
 125 struct iwl_fw_paging {
 126         dma_addr_t fw_paging_phys;
 127         struct page *fw_paging_block;
 128         u32 fw_paging_size;
 129 };
 130
 131 /**
 132  * struct iwl_fw_cscheme_list - a cipher scheme list
 133  * @size: a number of entries
 134  * @cs: cipher scheme entries
 135  */
 136 struct iwl_fw_cscheme_list {
 137         u8 size;
 138         struct iwl_fw_cipher_scheme cs[];
 139 } __packed;
 140
 141 /**
 142  * enum iwl_fw_type - iwlwifi firmware type
 143  * @IWL_FW_DVM: DVM firmware
 144  * @IWL_FW_MVM: MVM firmware
 145  */
 146 enum iwl_fw_type {
 147         IWL_FW_DVM,
 148         IWL_FW_MVM,
 149 };
 150
 151 /**
 152  * struct iwl_fw_dbg - debug data
 153  *
 154  * @dest_tlv: points to debug destination TLV (typically SRAM or DRAM)
 155  * @n_dest_reg: num of reg_ops in dest_tlv
 156  * @conf_tlv: array of pointers to configuration HCMDs
 157  * @trigger_tlv: array of pointers to triggers TLVs
 158  * @trigger_tlv_len: lengths of the @dbg_trigger_tlv entries
 159  * @mem_tlv: Runtime addresses to dump
 160  * @n_mem_tlv: number of runtime addresses
 161  * @dump_mask: bitmask of dump regions
 162 */
 163 struct iwl_fw_dbg {
 164         struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv;
 165         u8 n_dest_reg;
 166         struct iwl_fw_dbg_conf_tlv *conf_tlv[FW_DBG_CONF_MAX];
 167         struct iwl_fw_dbg_trigger_tlv *trigger_tlv[FW_DBG_TRIGGER_MAX];
 168         size_t trigger_tlv_len[FW_DBG_TRIGGER_MAX];
 169         struct iwl_fw_dbg_mem_seg_tlv *mem_tlv;
 170         size_t n_mem_tlv;
 171         u32 dump_mask;
 172 };
 173
 174 /**
 175  * struct iwl_fw - variables associated with the firmware
 176  *
 177  * @ucode_ver: ucode version from the ucode file
 178  * @fw_version: firmware version string
 179  * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
 180  * @iml_len: length of the image loader image
 181  * @iml: image loader fw image
 182  * @ucode_capa: capabilities parsed from the ucode file.
 183  * @enhance_sensitivity_table: device can do enhanced sensitivity.
 184  * @init_evtlog_ptr: event log offset for init ucode.
 185  * @init_evtlog_size: event log size for init ucode.
 186  * @init_errlog_ptr: error log offfset for init ucode.
 187  * @inst_evtlog_ptr: event log offset for runtime ucode.
 188  * @inst_evtlog_size: event log size for runtime ucode.
 189  * @inst_errlog_ptr: error log offfset for runtime ucode.
 190  * @type: firmware type (&enum iwl_fw_type)
 191  * @cipher_scheme: optional external cipher scheme.
 192  * @human_readable: human readable version
 193  *      we get the ALIVE from the uCode
 194  */
 195 struct iwl_fw {
 196         u32 ucode_ver;
 197
 198         char fw_version[64];
 199
 200         /* ucode images */
 201         struct fw_img img[IWL_UCODE_TYPE_MAX];
 202         size_t iml_len;
 203         u8 *iml;
 204
 205         struct iwl_ucode_capabilities ucode_capa;
 206         bool enhance_sensitivity_table;
 207
 208         u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
 209         u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
 210
 211         struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
 212         u32 phy_config;
 213         u8 valid_tx_ant;
 214         u8 valid_rx_ant;
 215
 216         enum iwl_fw_type type;
 217
 218         struct iwl_fw_cipher_scheme cs[IWL_UCODE_MAX_CS];
 219         u8 human_readable[FW_VER_HUMAN_READABLE_SZ];
 220
 221         struct iwl_fw_dbg dbg;
 222 };
 223
 224 static inline const char *get_fw_dbg_mode_string(int mode)
 225 {
 226         switch (mode) {
 227         case SMEM_MODE:
 228                 return "SMEM";
 229         case EXTERNAL_MODE:
 230                 return "EXTERNAL_DRAM";
 231         case MARBH_MODE:
 232                 return "MARBH";
 233         case MIPI_MODE:
 234                 return "MIPI";
 235         default:
 236                 return "UNKNOWN";
 237         }
 238 }
 239
 240 static inline bool
 241 iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
 242 {
 243         const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg.conf_tlv[id];
 244
 245         if (!conf_tlv)
 246                 return false;
 247
 248         return conf_tlv->usniffer;
 249 }
 250
 251 static inline const struct fw_img *
 252 iwl_get_ucode_image(const struct iwl_fw *fw, enum iwl_ucode_type ucode_type)
 253 {
 254         if (ucode_type >= IWL_UCODE_TYPE_MAX)
 255                 return NULL;
 256
 257         return &fw->img[ucode_type];
 258 }
 259
 260 u8 iwl_fw_lookup_cmd_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def);
 261
 262 u8 iwl_fw_lookup_notif_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def);
 263 const char *iwl_fw_lookup_assert_desc(u32 num);
 264 #endif  /* __iwl_fw_img_h__ */