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66 
67 #ifndef __iwl_fw_img_h__
68 #define __iwl_fw_img_h__
69 #include <linux/types.h>
70 
71 #include "file.h"
72 #include "error-dump.h"
73 
74 /**
75  * enum iwl_ucode_type
76  *
77  * The type of ucode.
78  *
79  * @IWL_UCODE_REGULAR: Normal runtime ucode
80  * @IWL_UCODE_INIT: Initial ucode
81  * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
82  * @IWL_UCODE_REGULAR_USNIFFER: Normal runtime ucode when using usniffer image
83  */
84 enum iwl_ucode_type {
85 	IWL_UCODE_REGULAR,
86 	IWL_UCODE_INIT,
87 	IWL_UCODE_WOWLAN,
88 	IWL_UCODE_REGULAR_USNIFFER,
89 	IWL_UCODE_TYPE_MAX,
90 };
91 
92 /*
93  * enumeration of ucode section.
94  * This enumeration is used directly for older firmware (before 16.0).
95  * For new firmware, there can be up to 4 sections (see below) but the
96  * first one packaged into the firmware file is the DATA section and
97  * some debugging code accesses that.
98  */
99 enum iwl_ucode_sec {
100 	IWL_UCODE_SECTION_DATA,
101 	IWL_UCODE_SECTION_INST,
102 };
103 
104 struct iwl_ucode_capabilities {
105 	u32 max_probe_length;
106 	u32 n_scan_channels;
107 	u32 standard_phy_calibration_size;
108 	u32 flags;
109 	unsigned long _api[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_API)];
110 	unsigned long _capa[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_CAPA)];
111 };
112 
113 static inline bool
114 fw_has_api(const struct iwl_ucode_capabilities *capabilities,
115 	   iwl_ucode_tlv_api_t api)
116 {
117 	return test_bit((__force long)api, capabilities->_api);
118 }
119 
120 static inline bool
121 fw_has_capa(const struct iwl_ucode_capabilities *capabilities,
122 	    iwl_ucode_tlv_capa_t capa)
123 {
124 	return test_bit((__force long)capa, capabilities->_capa);
125 }
126 
127 /* one for each uCode image (inst/data, init/runtime/wowlan) */
128 struct fw_desc {
129 	const void *data;	/* vmalloc'ed data */
130 	u32 len;		/* size in bytes */
131 	u32 offset;		/* offset in the device */
132 };
133 
134 struct fw_img {
135 	struct fw_desc *sec;
136 	int num_sec;
137 	bool is_dual_cpus;
138 	u32 paging_mem_size;
139 };
140 
141 struct iwl_sf_region {
142 	u32 addr;
143 	u32 size;
144 };
145 
146 /*
147  * Block paging calculations
148  */
149 #define PAGE_2_EXP_SIZE 12 /* 4K == 2^12 */
150 #define FW_PAGING_SIZE BIT(PAGE_2_EXP_SIZE) /* page size is 4KB */
151 #define PAGE_PER_GROUP_2_EXP_SIZE 3
152 /* 8 pages per group */
153 #define NUM_OF_PAGE_PER_GROUP BIT(PAGE_PER_GROUP_2_EXP_SIZE)
154 /* don't change, support only 32KB size */
155 #define PAGING_BLOCK_SIZE (NUM_OF_PAGE_PER_GROUP * FW_PAGING_SIZE)
156 /* 32K == 2^15 */
157 #define BLOCK_2_EXP_SIZE (PAGE_2_EXP_SIZE + PAGE_PER_GROUP_2_EXP_SIZE)
158 
159 /*
160  * Image paging calculations
161  */
162 #define BLOCK_PER_IMAGE_2_EXP_SIZE 5
163 /* 2^5 == 32 blocks per image */
164 #define NUM_OF_BLOCK_PER_IMAGE BIT(BLOCK_PER_IMAGE_2_EXP_SIZE)
165 /* maximum image size 1024KB */
166 #define MAX_PAGING_IMAGE_SIZE (NUM_OF_BLOCK_PER_IMAGE * PAGING_BLOCK_SIZE)
167 
168 /* Virtual address signature */
169 #define PAGING_ADDR_SIG 0xAA000000
170 
171 #define PAGING_CMD_IS_SECURED BIT(9)
172 #define PAGING_CMD_IS_ENABLED BIT(8)
173 #define PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS	0
174 #define PAGING_TLV_SECURE_MASK 1
175 
176 /**
177  * struct iwl_fw_paging
178  * @fw_paging_phys: page phy pointer
179  * @fw_paging_block: pointer to the allocated block
180  * @fw_paging_size: page size
181  */
182 struct iwl_fw_paging {
183 	dma_addr_t fw_paging_phys;
184 	struct page *fw_paging_block;
185 	u32 fw_paging_size;
186 };
187 
188 /**
189  * struct iwl_fw_cscheme_list - a cipher scheme list
190  * @size: a number of entries
191  * @cs: cipher scheme entries
192  */
193 struct iwl_fw_cscheme_list {
194 	u8 size;
195 	struct iwl_fw_cipher_scheme cs[];
196 } __packed;
197 
198 /**
199  * struct iwl_gscan_capabilities - gscan capabilities supported by FW
200  * @max_scan_cache_size: total space allocated for scan results (in bytes).
201  * @max_scan_buckets: maximum number of channel buckets.
202  * @max_ap_cache_per_scan: maximum number of APs that can be stored per scan.
203  * @max_rssi_sample_size: number of RSSI samples used for averaging RSSI.
204  * @max_scan_reporting_threshold: max possible report threshold. in percentage.
205  * @max_hotlist_aps: maximum number of entries for hotlist APs.
206  * @max_significant_change_aps: maximum number of entries for significant
207  *	change APs.
208  * @max_bssid_history_entries: number of BSSID/RSSI entries that the device can
209  *	hold.
210  * @max_hotlist_ssids: maximum number of entries for hotlist SSIDs.
211  * @max_number_epno_networks: max number of epno entries.
212  * @max_number_epno_networks_by_ssid: max number of epno entries if ssid is
213  *	specified.
214  * @max_number_of_white_listed_ssid: max number of white listed SSIDs.
215  * @max_number_of_black_listed_ssid: max number of black listed SSIDs.
216  */
217 struct iwl_gscan_capabilities {
218 	u32 max_scan_cache_size;
219 	u32 max_scan_buckets;
220 	u32 max_ap_cache_per_scan;
221 	u32 max_rssi_sample_size;
222 	u32 max_scan_reporting_threshold;
223 	u32 max_hotlist_aps;
224 	u32 max_significant_change_aps;
225 	u32 max_bssid_history_entries;
226 	u32 max_hotlist_ssids;
227 	u32 max_number_epno_networks;
228 	u32 max_number_epno_networks_by_ssid;
229 	u32 max_number_of_white_listed_ssid;
230 	u32 max_number_of_black_listed_ssid;
231 };
232 
233 /**
234  * enum iwl_fw_type - iwlwifi firmware type
235  * @IWL_FW_DVM: DVM firmware
236  * @IWL_FW_MVM: MVM firmware
237  */
238 enum iwl_fw_type {
239 	IWL_FW_DVM,
240 	IWL_FW_MVM,
241 };
242 
243 /**
244  * struct iwl_fw - variables associated with the firmware
245  *
246  * @ucode_ver: ucode version from the ucode file
247  * @fw_version: firmware version string
248  * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
249  * @ucode_capa: capabilities parsed from the ucode file.
250  * @enhance_sensitivity_table: device can do enhanced sensitivity.
251  * @init_evtlog_ptr: event log offset for init ucode.
252  * @init_evtlog_size: event log size for init ucode.
253  * @init_errlog_ptr: error log offfset for init ucode.
254  * @inst_evtlog_ptr: event log offset for runtime ucode.
255  * @inst_evtlog_size: event log size for runtime ucode.
256  * @inst_errlog_ptr: error log offfset for runtime ucode.
257  * @type: firmware type (&enum iwl_fw_type)
258  * @cipher_scheme: optional external cipher scheme.
259  * @human_readable: human readable version
260  * @sdio_adma_addr: the default address to set for the ADMA in SDIO mode until
261  *	we get the ALIVE from the uCode
262  * @dbg_dest_tlv: points to the destination TLV for debug
263  * @dbg_conf_tlv: array of pointers to configuration TLVs for debug
264  * @dbg_conf_tlv_len: lengths of the @dbg_conf_tlv entries
265  * @dbg_trigger_tlv: array of pointers to triggers TLVs
266  * @dbg_trigger_tlv_len: lengths of the @dbg_trigger_tlv entries
267  * @dbg_dest_reg_num: num of reg_ops in %dbg_dest_tlv
268  */
269 struct iwl_fw {
270 	u32 ucode_ver;
271 
272 	char fw_version[ETHTOOL_FWVERS_LEN];
273 
274 	/* ucode images */
275 	struct fw_img img[IWL_UCODE_TYPE_MAX];
276 
277 	struct iwl_ucode_capabilities ucode_capa;
278 	bool enhance_sensitivity_table;
279 
280 	u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
281 	u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
282 
283 	struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
284 	u32 phy_config;
285 	u8 valid_tx_ant;
286 	u8 valid_rx_ant;
287 
288 	enum iwl_fw_type type;
289 
290 	struct iwl_fw_cipher_scheme cs[IWL_UCODE_MAX_CS];
291 	u8 human_readable[FW_VER_HUMAN_READABLE_SZ];
292 
293 	u32 sdio_adma_addr;
294 
295 	struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
296 	struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
297 	size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
298 	struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
299 	struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;
300 	size_t n_dbg_mem_tlv;
301 	size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
302 	u8 dbg_dest_reg_num;
303 	struct iwl_gscan_capabilities gscan_capa;
304 };
305 
306 static inline const char *get_fw_dbg_mode_string(int mode)
307 {
308 	switch (mode) {
309 	case SMEM_MODE:
310 		return "SMEM";
311 	case EXTERNAL_MODE:
312 		return "EXTERNAL_DRAM";
313 	case MARBH_MODE:
314 		return "MARBH";
315 	case MIPI_MODE:
316 		return "MIPI";
317 	default:
318 		return "UNKNOWN";
319 	}
320 }
321 
322 static inline bool
323 iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
324 {
325 	const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg_conf_tlv[id];
326 
327 	if (!conf_tlv)
328 		return false;
329 
330 	return conf_tlv->usniffer;
331 }
332 
333 static inline const struct fw_img *
334 iwl_get_ucode_image(const struct iwl_fw *fw, enum iwl_ucode_type ucode_type)
335 {
336 	if (ucode_type >= IWL_UCODE_TYPE_MAX)
337 		return NULL;
338 
339 	return &fw->img[ucode_type];
340 }
341 
342 #endif  /* __iwl_fw_img_h__ */
343