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  *
11  * This program is free software; you can redistribute it and/or modify
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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15  * This program is distributed in the hope that it will be useful, but
16  * WITHOUT ANY WARRANTY; without even the implied warranty of
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.
22  *
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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/dbg-tlv.h"
68 #include "fw/api/paging.h"
69 #include "iwl-eeprom-parse.h"
70 
71 struct iwl_fw_runtime_ops {
72 	int (*dump_start)(void *ctx);
73 	void (*dump_end)(void *ctx);
74 	bool (*fw_running)(void *ctx);
75 	int (*send_hcmd)(void *ctx, struct iwl_host_cmd *host_cmd);
76 	bool (*d3_debug_enable)(void *ctx);
77 };
78 
79 #define MAX_NUM_LMAC 2
80 struct iwl_fwrt_shared_mem_cfg {
81 	int num_lmacs;
82 	int num_txfifo_entries;
83 	struct {
84 		u32 txfifo_size[TX_FIFO_MAX_NUM];
85 		u32 rxfifo1_size;
86 	} lmac[MAX_NUM_LMAC];
87 	u32 rxfifo2_size;
88 	u32 internal_txfifo_addr;
89 	u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
90 };
91 
92 enum iwl_fw_runtime_status {
93 	IWL_FWRT_STATUS_DUMPING = 0,
94 };
95 
96 /**
97  * struct iwl_fw_runtime - runtime data for firmware
98  * @fw: firmware image
99  * @cfg: NIC configuration
100  * @dev: device pointer
101  * @ops: user ops
102  * @ops_ctx: user ops context
103  * @status: status flags
104  * @fw_paging_db: paging database
105  * @num_of_paging_blk: number of paging blocks
106  * @num_of_pages_in_last_blk: number of pages in the last block
107  * @smem_cfg: saved firmware SMEM configuration
108  * @cur_fw_img: current firmware image, must be maintained by
109  *	the driver by calling &iwl_fw_set_current_image()
110  * @dump: debug dump data
111  */
112 struct iwl_fw_runtime {
113 	struct iwl_trans *trans;
114 	const struct iwl_fw *fw;
115 	struct device *dev;
116 
117 	const struct iwl_fw_runtime_ops *ops;
118 	void *ops_ctx;
119 
120 	unsigned long status;
121 
122 	/* Paging */
123 	struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
124 	u16 num_of_paging_blk;
125 	u16 num_of_pages_in_last_blk;
126 
127 	enum iwl_ucode_type cur_fw_img;
128 
129 	/* memory configuration */
130 	struct iwl_fwrt_shared_mem_cfg smem_cfg;
131 
132 	/* debug */
133 	struct {
134 		const struct iwl_fw_dump_desc *desc;
135 		bool monitor_only;
136 		struct delayed_work wk;
137 
138 		u8 conf;
139 
140 		/* ts of the beginning of a non-collect fw dbg data period */
141 		unsigned long non_collect_ts_start[IWL_FW_TRIGGER_ID_NUM];
142 		u32 *d3_debug_data;
143 		struct iwl_fw_ini_region_cfg *active_regs[IWL_FW_INI_MAX_REGION_ID];
144 		struct iwl_fw_ini_active_triggers active_trigs[IWL_FW_TRIGGER_ID_NUM];
145 		u32 lmac_err_id[MAX_NUM_LMAC];
146 		u32 umac_err_id;
147 		void *fifo_iter;
148 		enum iwl_fw_ini_trigger_id ini_trig_id;
149 		struct timer_list periodic_trig;
150 	} dump;
151 #ifdef CONFIG_IWLWIFI_DEBUGFS
152 	struct {
153 		struct delayed_work wk;
154 		u32 delay;
155 		u64 seq;
156 	} timestamp;
157 #endif /* CONFIG_IWLWIFI_DEBUGFS */
158 };
159 
160 void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans,
161 			const struct iwl_fw *fw,
162 			const struct iwl_fw_runtime_ops *ops, void *ops_ctx,
163 			struct dentry *dbgfs_dir);
164 
165 static inline void iwl_fw_runtime_free(struct iwl_fw_runtime *fwrt)
166 {
167 	int i;
168 
169 	kfree(fwrt->dump.d3_debug_data);
170 	fwrt->dump.d3_debug_data = NULL;
171 
172 	for (i = 0; i < IWL_FW_TRIGGER_ID_NUM; i++) {
173 		struct iwl_fw_ini_active_triggers *active =
174 			&fwrt->dump.active_trigs[i];
175 
176 		active->active = false;
177 		active->size = 0;
178 		kfree(active->trig);
179 		active->trig = NULL;
180 	}
181 }
182 
183 void iwl_fw_runtime_suspend(struct iwl_fw_runtime *fwrt);
184 
185 void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt);
186 
187 static inline void iwl_fw_set_current_image(struct iwl_fw_runtime *fwrt,
188 					    enum iwl_ucode_type cur_fw_img)
189 {
190 	fwrt->cur_fw_img = cur_fw_img;
191 }
192 
193 int iwl_init_paging(struct iwl_fw_runtime *fwrt, enum iwl_ucode_type type);
194 void iwl_free_fw_paging(struct iwl_fw_runtime *fwrt);
195 
196 void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt);
197 
198 #endif /* __iwl_fw_runtime_h__ */
199