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) 2017 Intel Deutschland GmbH
9  * Copyright (C) 2018-2019 Intel Corporation
10  *
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12  * it under the terms of version 2 of the GNU General Public License as
13  * published by the Free Software Foundation.
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17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18  * General Public License for more details.
19  *
20  * The full GNU General Public License is included in this distribution
21  * in the file called COPYING.
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24  *  Intel Linux Wireless <linuxwifi@intel.com>
25  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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27  * BSD LICENSE
28  *
29  * Copyright(c) 2017 Intel Deutschland GmbH
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60 #ifndef __iwl_fw_runtime_h__
61 #define __iwl_fw_runtime_h__
62 
63 #include "iwl-config.h"
64 #include "iwl-trans.h"
65 #include "img.h"
66 #include "fw/api/debug.h"
67 #include "fw/api/paging.h"
68 #include "iwl-eeprom-parse.h"
69 
70 struct iwl_fw_runtime_ops {
71 	int (*dump_start)(void *ctx);
72 	void (*dump_end)(void *ctx);
73 	bool (*fw_running)(void *ctx);
74 	int (*send_hcmd)(void *ctx, struct iwl_host_cmd *host_cmd);
75 	bool (*d3_debug_enable)(void *ctx);
76 };
77 
78 #define MAX_NUM_LMAC 2
79 struct iwl_fwrt_shared_mem_cfg {
80 	int num_lmacs;
81 	int num_txfifo_entries;
82 	struct {
83 		u32 txfifo_size[TX_FIFO_MAX_NUM];
84 		u32 rxfifo1_size;
85 	} lmac[MAX_NUM_LMAC];
86 	u32 rxfifo2_size;
87 	u32 internal_txfifo_addr;
88 	u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
89 };
90 
91 #define IWL_FW_RUNTIME_DUMP_WK_NUM 5
92 
93 /**
94  * struct iwl_txf_iter_data - Tx fifo iterator data struct
95  * @fifo: fifo number
96  * @lmac: lmac number
97  * @fifo_size: fifo size
98  * @internal_txf: non zero if fifo is  internal Tx fifo
99  */
100 struct iwl_txf_iter_data {
101 	int fifo;
102 	int lmac;
103 	u32 fifo_size;
104 	u8 internal_txf;
105 };
106 
107 /**
108  * struct iwl_fw_runtime - runtime data for firmware
109  * @fw: firmware image
110  * @cfg: NIC configuration
111  * @dev: device pointer
112  * @ops: user ops
113  * @ops_ctx: user ops context
114  * @fw_paging_db: paging database
115  * @num_of_paging_blk: number of paging blocks
116  * @num_of_pages_in_last_blk: number of pages in the last block
117  * @smem_cfg: saved firmware SMEM configuration
118  * @cur_fw_img: current firmware image, must be maintained by
119  *	the driver by calling &iwl_fw_set_current_image()
120  * @dump: debug dump data
121  */
122 struct iwl_fw_runtime {
123 	struct iwl_trans *trans;
124 	const struct iwl_fw *fw;
125 	struct device *dev;
126 
127 	const struct iwl_fw_runtime_ops *ops;
128 	void *ops_ctx;
129 
130 	/* Paging */
131 	struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
132 	u16 num_of_paging_blk;
133 	u16 num_of_pages_in_last_blk;
134 
135 	enum iwl_ucode_type cur_fw_img;
136 
137 	/* memory configuration */
138 	struct iwl_fwrt_shared_mem_cfg smem_cfg;
139 
140 	/* debug */
141 	struct {
142 		const struct iwl_fw_dump_desc *desc;
143 		bool monitor_only;
144 		struct {
145 			u8 idx;
146 			enum iwl_fw_ini_trigger_id ini_trig_id;
147 			struct delayed_work wk;
148 		} wks[IWL_FW_RUNTIME_DUMP_WK_NUM];
149 		unsigned long active_wks;
150 
151 		u8 conf;
152 
153 		/* ts of the beginning of a non-collect fw dbg data period */
154 		unsigned long non_collect_ts_start[IWL_FW_TRIGGER_ID_NUM];
155 		u32 *d3_debug_data;
156 		struct iwl_fw_ini_region_cfg *active_regs[IWL_FW_INI_MAX_REGION_ID];
157 		struct iwl_fw_ini_active_triggers active_trigs[IWL_FW_TRIGGER_ID_NUM];
158 		u32 lmac_err_id[MAX_NUM_LMAC];
159 		u32 umac_err_id;
160 
161 		struct iwl_txf_iter_data txf_iter_data;
162 
163 		u8 img_name[IWL_FW_INI_MAX_IMG_NAME_LEN];
164 		u8 internal_dbg_cfg_name[IWL_FW_INI_MAX_DBG_CFG_NAME_LEN];
165 		u8 external_dbg_cfg_name[IWL_FW_INI_MAX_DBG_CFG_NAME_LEN];
166 
167 		struct {
168 			u8 type;
169 			u8 subtype;
170 			u32 lmac_major;
171 			u32 lmac_minor;
172 			u32 umac_major;
173 			u32 umac_minor;
174 		} fw_ver;
175 	} dump;
176 #ifdef CONFIG_IWLWIFI_DEBUGFS
177 	struct {
178 		struct delayed_work wk;
179 		u32 delay;
180 		u64 seq;
181 	} timestamp;
182 #endif /* CONFIG_IWLWIFI_DEBUGFS */
183 };
184 
185 void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans,
186 			const struct iwl_fw *fw,
187 			const struct iwl_fw_runtime_ops *ops, void *ops_ctx,
188 			struct dentry *dbgfs_dir);
189 
190 static inline void iwl_fw_runtime_free(struct iwl_fw_runtime *fwrt)
191 {
192 	int i;
193 
194 	kfree(fwrt->dump.d3_debug_data);
195 	fwrt->dump.d3_debug_data = NULL;
196 
197 	for (i = 0; i < IWL_FW_TRIGGER_ID_NUM; i++) {
198 		struct iwl_fw_ini_active_triggers *active =
199 			&fwrt->dump.active_trigs[i];
200 
201 		active->active = false;
202 		active->size = 0;
203 		kfree(active->trig);
204 		active->trig = NULL;
205 	}
206 
207 	iwl_dbg_tlv_del_timers(fwrt->trans);
208 	for (i = 0; i < IWL_FW_RUNTIME_DUMP_WK_NUM; i++)
209 		cancel_delayed_work_sync(&fwrt->dump.wks[i].wk);
210 }
211 
212 void iwl_fw_runtime_suspend(struct iwl_fw_runtime *fwrt);
213 
214 void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt);
215 
216 static inline void iwl_fw_set_current_image(struct iwl_fw_runtime *fwrt,
217 					    enum iwl_ucode_type cur_fw_img)
218 {
219 	fwrt->cur_fw_img = cur_fw_img;
220 }
221 
222 int iwl_init_paging(struct iwl_fw_runtime *fwrt, enum iwl_ucode_type type);
223 void iwl_free_fw_paging(struct iwl_fw_runtime *fwrt);
224 
225 void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt);
226 
227 #endif /* __iwl_fw_runtime_h__ */
228