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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 	unsigned long _api[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_API)];
109 	unsigned long _capa[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_CAPA)];
110 };
111 
112 static inline bool
113 fw_has_api(const struct iwl_ucode_capabilities *capabilities,
114 	   iwl_ucode_tlv_api_t api)
115 {
116 	return test_bit((__force long)api, capabilities->_api);
117 }
118 
119 static inline bool
120 fw_has_capa(const struct iwl_ucode_capabilities *capabilities,
121 	    iwl_ucode_tlv_capa_t capa)
122 {
123 	return test_bit((__force long)capa, capabilities->_capa);
124 }
125 
126 /* one for each uCode image (inst/data, init/runtime/wowlan) */
127 struct fw_desc {
128 	const void *data;	/* vmalloc'ed data */
129 	u32 len;		/* size in bytes */
130 	u32 offset;		/* offset in the device */
131 };
132 
133 struct fw_img {
134 	struct fw_desc *sec;
135 	int num_sec;
136 	bool is_dual_cpus;
137 	u32 paging_mem_size;
138 };
139 
140 /*
141  * Block paging calculations
142  */
143 #define PAGE_2_EXP_SIZE 12 /* 4K == 2^12 */
144 #define FW_PAGING_SIZE BIT(PAGE_2_EXP_SIZE) /* page size is 4KB */
145 #define PAGE_PER_GROUP_2_EXP_SIZE 3
146 /* 8 pages per group */
147 #define NUM_OF_PAGE_PER_GROUP BIT(PAGE_PER_GROUP_2_EXP_SIZE)
148 /* don't change, support only 32KB size */
149 #define PAGING_BLOCK_SIZE (NUM_OF_PAGE_PER_GROUP * FW_PAGING_SIZE)
150 /* 32K == 2^15 */
151 #define BLOCK_2_EXP_SIZE (PAGE_2_EXP_SIZE + PAGE_PER_GROUP_2_EXP_SIZE)
152 
153 /*
154  * Image paging calculations
155  */
156 #define BLOCK_PER_IMAGE_2_EXP_SIZE 5
157 /* 2^5 == 32 blocks per image */
158 #define NUM_OF_BLOCK_PER_IMAGE BIT(BLOCK_PER_IMAGE_2_EXP_SIZE)
159 /* maximum image size 1024KB */
160 #define MAX_PAGING_IMAGE_SIZE (NUM_OF_BLOCK_PER_IMAGE * PAGING_BLOCK_SIZE)
161 
162 /* Virtual address signature */
163 #define PAGING_ADDR_SIG 0xAA000000
164 
165 #define PAGING_CMD_IS_SECURED BIT(9)
166 #define PAGING_CMD_IS_ENABLED BIT(8)
167 #define PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS	0
168 #define PAGING_TLV_SECURE_MASK 1
169 
170 /**
171  * struct iwl_fw_paging
172  * @fw_paging_phys: page phy pointer
173  * @fw_paging_block: pointer to the allocated block
174  * @fw_paging_size: page size
175  */
176 struct iwl_fw_paging {
177 	dma_addr_t fw_paging_phys;
178 	struct page *fw_paging_block;
179 	u32 fw_paging_size;
180 };
181 
182 /**
183  * struct iwl_fw_cscheme_list - a cipher scheme list
184  * @size: a number of entries
185  * @cs: cipher scheme entries
186  */
187 struct iwl_fw_cscheme_list {
188 	u8 size;
189 	struct iwl_fw_cipher_scheme cs[];
190 } __packed;
191 
192 /**
193  * enum iwl_fw_type - iwlwifi firmware type
194  * @IWL_FW_DVM: DVM firmware
195  * @IWL_FW_MVM: MVM firmware
196  */
197 enum iwl_fw_type {
198 	IWL_FW_DVM,
199 	IWL_FW_MVM,
200 };
201 
202 /**
203  * struct iwl_fw_dbg - debug data
204  *
205  * @dest_tlv: points to debug destination TLV (typically SRAM or DRAM)
206  * @n_dest_reg: num of reg_ops in dest_tlv
207  * @conf_tlv: array of pointers to configuration HCMDs
208  * @trigger_tlv: array of pointers to triggers TLVs
209  * @trigger_tlv_len: lengths of the @dbg_trigger_tlv entries
210  * @mem_tlv: Runtime addresses to dump
211  * @n_mem_tlv: number of runtime addresses
212  * @dump_mask: bitmask of dump regions
213 */
214 struct iwl_fw_dbg {
215 	struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv;
216 	u8 n_dest_reg;
217 	struct iwl_fw_dbg_conf_tlv *conf_tlv[FW_DBG_CONF_MAX];
218 	struct iwl_fw_dbg_trigger_tlv *trigger_tlv[FW_DBG_TRIGGER_MAX];
219 	size_t trigger_tlv_len[FW_DBG_TRIGGER_MAX];
220 	struct iwl_fw_dbg_mem_seg_tlv *mem_tlv;
221 	size_t n_mem_tlv;
222 	u32 dump_mask;
223 };
224 
225 /**
226  * struct iwl_fw_ini_active_triggers
227  * @active: is this trigger active
228  * @apply_point: last apply point that updated this trigger
229  * @conf: active trigger
230  * @conf_ext: second trigger, contains extra regions to dump
231  */
232 struct iwl_fw_ini_active_triggers {
233 	bool active;
234 	enum iwl_fw_ini_apply_point apply_point;
235 	struct iwl_fw_ini_trigger *conf;
236 	struct iwl_fw_ini_trigger *conf_ext;
237 };
238 
239 /**
240  * struct iwl_fw_ini_active_regs
241  * @reg: active region from TLV
242  * @apply_point: apply point where it became active
243  */
244 struct iwl_fw_ini_active_regs {
245 	struct iwl_fw_ini_region_cfg *reg;
246 	enum iwl_fw_ini_apply_point apply_point;
247 };
248 
249 /**
250  * struct iwl_fw - variables associated with the firmware
251  *
252  * @ucode_ver: ucode version from the ucode file
253  * @fw_version: firmware version string
254  * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
255  * @iml_len: length of the image loader image
256  * @iml: image loader fw image
257  * @ucode_capa: capabilities parsed from the ucode file.
258  * @enhance_sensitivity_table: device can do enhanced sensitivity.
259  * @init_evtlog_ptr: event log offset for init ucode.
260  * @init_evtlog_size: event log size for init ucode.
261  * @init_errlog_ptr: error log offfset for init ucode.
262  * @inst_evtlog_ptr: event log offset for runtime ucode.
263  * @inst_evtlog_size: event log size for runtime ucode.
264  * @inst_errlog_ptr: error log offfset for runtime ucode.
265  * @type: firmware type (&enum iwl_fw_type)
266  * @cipher_scheme: optional external cipher scheme.
267  * @human_readable: human readable version
268  *	we get the ALIVE from the uCode
269  */
270 struct iwl_fw {
271 	u32 ucode_ver;
272 
273 	char fw_version[ETHTOOL_FWVERS_LEN];
274 
275 	/* ucode images */
276 	struct fw_img img[IWL_UCODE_TYPE_MAX];
277 	size_t iml_len;
278 	u8 *iml;
279 
280 	struct iwl_ucode_capabilities ucode_capa;
281 	bool enhance_sensitivity_table;
282 
283 	u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
284 	u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
285 
286 	struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
287 	u32 phy_config;
288 	u8 valid_tx_ant;
289 	u8 valid_rx_ant;
290 
291 	enum iwl_fw_type type;
292 
293 	struct iwl_fw_cipher_scheme cs[IWL_UCODE_MAX_CS];
294 	u8 human_readable[FW_VER_HUMAN_READABLE_SZ];
295 
296 	struct iwl_fw_dbg dbg;
297 };
298 
299 static inline const char *get_fw_dbg_mode_string(int mode)
300 {
301 	switch (mode) {
302 	case SMEM_MODE:
303 		return "SMEM";
304 	case EXTERNAL_MODE:
305 		return "EXTERNAL_DRAM";
306 	case MARBH_MODE:
307 		return "MARBH";
308 	case MIPI_MODE:
309 		return "MIPI";
310 	default:
311 		return "UNKNOWN";
312 	}
313 }
314 
315 static inline bool
316 iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
317 {
318 	const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg.conf_tlv[id];
319 
320 	if (!conf_tlv)
321 		return false;
322 
323 	return conf_tlv->usniffer;
324 }
325 
326 static inline const struct fw_img *
327 iwl_get_ucode_image(const struct iwl_fw *fw, enum iwl_ucode_type ucode_type)
328 {
329 	if (ucode_type >= IWL_UCODE_TYPE_MAX)
330 		return NULL;
331 
332 	return &fw->img[ucode_type];
333 }
334 
335 #endif  /* __iwl_fw_img_h__ */
336