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68 
69 #ifndef __iwl_fw_img_h__
70 #define __iwl_fw_img_h__
71 #include <linux/types.h>
72 
73 #include "file.h"
74 #include "error-dump.h"
75 
76 /**
77  * enum iwl_ucode_type
78  *
79  * The type of ucode.
80  *
81  * @IWL_UCODE_REGULAR: Normal runtime ucode
82  * @IWL_UCODE_INIT: Initial ucode
83  * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
84  * @IWL_UCODE_REGULAR_USNIFFER: Normal runtime ucode when using usniffer image
85  */
86 enum iwl_ucode_type {
87 	IWL_UCODE_REGULAR,
88 	IWL_UCODE_INIT,
89 	IWL_UCODE_WOWLAN,
90 	IWL_UCODE_REGULAR_USNIFFER,
91 	IWL_UCODE_TYPE_MAX,
92 };
93 
94 /*
95  * enumeration of ucode section.
96  * This enumeration is used directly for older firmware (before 16.0).
97  * For new firmware, there can be up to 4 sections (see below) but the
98  * first one packaged into the firmware file is the DATA section and
99  * some debugging code accesses that.
100  */
101 enum iwl_ucode_sec {
102 	IWL_UCODE_SECTION_DATA,
103 	IWL_UCODE_SECTION_INST,
104 };
105 
106 struct iwl_ucode_capabilities {
107 	u32 max_probe_length;
108 	u32 n_scan_channels;
109 	u32 standard_phy_calibration_size;
110 	u32 flags;
111 	unsigned long _api[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_API)];
112 	unsigned long _capa[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_CAPA)];
113 };
114 
115 static inline bool
fw_has_api(const struct iwl_ucode_capabilities * capabilities,iwl_ucode_tlv_api_t api)116 fw_has_api(const struct iwl_ucode_capabilities *capabilities,
117 	   iwl_ucode_tlv_api_t api)
118 {
119 	return test_bit((__force long)api, capabilities->_api);
120 }
121 
122 static inline bool
fw_has_capa(const struct iwl_ucode_capabilities * capabilities,iwl_ucode_tlv_capa_t capa)123 fw_has_capa(const struct iwl_ucode_capabilities *capabilities,
124 	    iwl_ucode_tlv_capa_t capa)
125 {
126 	return test_bit((__force long)capa, capabilities->_capa);
127 }
128 
129 /* one for each uCode image (inst/data, init/runtime/wowlan) */
130 struct fw_desc {
131 	const void *data;	/* vmalloc'ed data */
132 	u32 len;		/* size in bytes */
133 	u32 offset;		/* offset in the device */
134 };
135 
136 struct fw_img {
137 	struct fw_desc *sec;
138 	int num_sec;
139 	bool is_dual_cpus;
140 	u32 paging_mem_size;
141 };
142 
143 /*
144  * Block paging calculations
145  */
146 #define PAGE_2_EXP_SIZE 12 /* 4K == 2^12 */
147 #define FW_PAGING_SIZE BIT(PAGE_2_EXP_SIZE) /* page size is 4KB */
148 #define PAGE_PER_GROUP_2_EXP_SIZE 3
149 /* 8 pages per group */
150 #define NUM_OF_PAGE_PER_GROUP BIT(PAGE_PER_GROUP_2_EXP_SIZE)
151 /* don't change, support only 32KB size */
152 #define PAGING_BLOCK_SIZE (NUM_OF_PAGE_PER_GROUP * FW_PAGING_SIZE)
153 /* 32K == 2^15 */
154 #define BLOCK_2_EXP_SIZE (PAGE_2_EXP_SIZE + PAGE_PER_GROUP_2_EXP_SIZE)
155 
156 /*
157  * Image paging calculations
158  */
159 #define BLOCK_PER_IMAGE_2_EXP_SIZE 5
160 /* 2^5 == 32 blocks per image */
161 #define NUM_OF_BLOCK_PER_IMAGE BIT(BLOCK_PER_IMAGE_2_EXP_SIZE)
162 /* maximum image size 1024KB */
163 #define MAX_PAGING_IMAGE_SIZE (NUM_OF_BLOCK_PER_IMAGE * PAGING_BLOCK_SIZE)
164 
165 /* Virtual address signature */
166 #define PAGING_ADDR_SIG 0xAA000000
167 
168 #define PAGING_CMD_IS_SECURED BIT(9)
169 #define PAGING_CMD_IS_ENABLED BIT(8)
170 #define PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS	0
171 #define PAGING_TLV_SECURE_MASK 1
172 
173 /**
174  * struct iwl_fw_paging
175  * @fw_paging_phys: page phy pointer
176  * @fw_paging_block: pointer to the allocated block
177  * @fw_paging_size: page size
178  */
179 struct iwl_fw_paging {
180 	dma_addr_t fw_paging_phys;
181 	struct page *fw_paging_block;
182 	u32 fw_paging_size;
183 };
184 
185 /**
186  * struct iwl_fw_cscheme_list - a cipher scheme list
187  * @size: a number of entries
188  * @cs: cipher scheme entries
189  */
190 struct iwl_fw_cscheme_list {
191 	u8 size;
192 	struct iwl_fw_cipher_scheme cs[];
193 } __packed;
194 
195 /**
196  * enum iwl_fw_type - iwlwifi firmware type
197  * @IWL_FW_DVM: DVM firmware
198  * @IWL_FW_MVM: MVM firmware
199  */
200 enum iwl_fw_type {
201 	IWL_FW_DVM,
202 	IWL_FW_MVM,
203 };
204 
205 /**
206  * struct iwl_fw - variables associated with the firmware
207  *
208  * @ucode_ver: ucode version from the ucode file
209  * @fw_version: firmware version string
210  * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
211  * @iml_len: length of the image loader image
212  * @iml: image loader fw image
213  * @ucode_capa: capabilities parsed from the ucode file.
214  * @enhance_sensitivity_table: device can do enhanced sensitivity.
215  * @init_evtlog_ptr: event log offset for init ucode.
216  * @init_evtlog_size: event log size for init ucode.
217  * @init_errlog_ptr: error log offfset for init ucode.
218  * @inst_evtlog_ptr: event log offset for runtime ucode.
219  * @inst_evtlog_size: event log size for runtime ucode.
220  * @inst_errlog_ptr: error log offfset for runtime ucode.
221  * @type: firmware type (&enum iwl_fw_type)
222  * @cipher_scheme: optional external cipher scheme.
223  * @human_readable: human readable version
224  *	we get the ALIVE from the uCode
225  * @dbg_dest_tlv: points to the destination TLV for debug
226  * @dbg_conf_tlv: array of pointers to configuration TLVs for debug
227  * @dbg_conf_tlv_len: lengths of the @dbg_conf_tlv entries
228  * @dbg_trigger_tlv: array of pointers to triggers TLVs
229  * @dbg_trigger_tlv_len: lengths of the @dbg_trigger_tlv entries
230  * @dbg_dest_reg_num: num of reg_ops in %dbg_dest_tlv
231  */
232 struct iwl_fw {
233 	u32 ucode_ver;
234 
235 	char fw_version[ETHTOOL_FWVERS_LEN];
236 
237 	/* ucode images */
238 	struct fw_img img[IWL_UCODE_TYPE_MAX];
239 	size_t iml_len;
240 	u8 *iml;
241 
242 	struct iwl_ucode_capabilities ucode_capa;
243 	bool enhance_sensitivity_table;
244 
245 	u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
246 	u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
247 
248 	struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
249 	u32 phy_config;
250 	u8 valid_tx_ant;
251 	u8 valid_rx_ant;
252 
253 	enum iwl_fw_type type;
254 
255 	struct iwl_fw_cipher_scheme cs[IWL_UCODE_MAX_CS];
256 	u8 human_readable[FW_VER_HUMAN_READABLE_SZ];
257 
258 	struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv;
259 	struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
260 	size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
261 	struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
262 	struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;
263 	size_t n_dbg_mem_tlv;
264 	size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
265 	u8 dbg_dest_reg_num;
266 	u32 dbg_dump_mask;
267 };
268 
get_fw_dbg_mode_string(int mode)269 static inline const char *get_fw_dbg_mode_string(int mode)
270 {
271 	switch (mode) {
272 	case SMEM_MODE:
273 		return "SMEM";
274 	case EXTERNAL_MODE:
275 		return "EXTERNAL_DRAM";
276 	case MARBH_MODE:
277 		return "MARBH";
278 	case MIPI_MODE:
279 		return "MIPI";
280 	default:
281 		return "UNKNOWN";
282 	}
283 }
284 
285 static inline bool
iwl_fw_dbg_conf_usniffer(const struct iwl_fw * fw,u8 id)286 iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
287 {
288 	const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg_conf_tlv[id];
289 
290 	if (!conf_tlv)
291 		return false;
292 
293 	return conf_tlv->usniffer;
294 }
295 
296 static inline const struct fw_img *
iwl_get_ucode_image(const struct iwl_fw * fw,enum iwl_ucode_type ucode_type)297 iwl_get_ucode_image(const struct iwl_fw *fw, enum iwl_ucode_type ucode_type)
298 {
299 	if (ucode_type >= IWL_UCODE_TYPE_MAX)
300 		return NULL;
301 
302 	return &fw->img[ucode_type];
303 }
304 
305 #endif  /* __iwl_fw_img_h__ */
306