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 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.
14  *
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  *
23  * Contact Information:
24  *  Intel Linux Wireless <linuxwifi@intel.com>
25  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26  *
27  * BSD LICENSE
28  *
29  * Copyright(c) 2017 Intel Deutschland GmbH
30  * Copyright(c) 2018 Intel Corporation
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59  *****************************************************************************/
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 };
75 
76 #define MAX_NUM_LMAC 2
77 struct iwl_fwrt_shared_mem_cfg {
78 	int num_lmacs;
79 	int num_txfifo_entries;
80 	struct {
81 		u32 txfifo_size[TX_FIFO_MAX_NUM];
82 		u32 rxfifo1_size;
83 	} lmac[MAX_NUM_LMAC];
84 	u32 rxfifo2_size;
85 	u32 internal_txfifo_addr;
86 	u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
87 };
88 
89 enum iwl_fw_runtime_status {
90 	IWL_FWRT_STATUS_DUMPING = 0,
91 };
92 
93 /**
94  * struct iwl_fw_runtime - runtime data for firmware
95  * @fw: firmware image
96  * @cfg: NIC configuration
97  * @dev: device pointer
98  * @ops: user ops
99  * @ops_ctx: user ops context
100  * @status: status flags
101  * @fw_paging_db: paging database
102  * @num_of_paging_blk: number of paging blocks
103  * @num_of_pages_in_last_blk: number of pages in the last block
104  * @smem_cfg: saved firmware SMEM configuration
105  * @cur_fw_img: current firmware image, must be maintained by
106  *	the driver by calling &iwl_fw_set_current_image()
107  * @dump: debug dump data
108  */
109 struct iwl_fw_runtime {
110 	struct iwl_trans *trans;
111 	const struct iwl_fw *fw;
112 	struct device *dev;
113 
114 	const struct iwl_fw_runtime_ops *ops;
115 	void *ops_ctx;
116 
117 	unsigned long status;
118 
119 	/* Paging */
120 	struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
121 	u16 num_of_paging_blk;
122 	u16 num_of_pages_in_last_blk;
123 
124 	enum iwl_ucode_type cur_fw_img;
125 
126 	/* memory configuration */
127 	struct iwl_fwrt_shared_mem_cfg smem_cfg;
128 
129 	/* debug */
130 	struct {
131 		const struct iwl_fw_dump_desc *desc;
132 		const struct iwl_fw_dbg_trigger_tlv *trig;
133 		struct delayed_work wk;
134 
135 		u8 conf;
136 
137 		/* ts of the beginning of a non-collect fw dbg data period */
138 		unsigned long non_collect_ts_start[FW_DBG_TRIGGER_MAX - 1];
139 	} dump;
140 #ifdef CONFIG_IWLWIFI_DEBUGFS
141 	struct {
142 		struct delayed_work wk;
143 		u32 delay;
144 		u64 seq;
145 	} timestamp;
146 #endif /* CONFIG_IWLWIFI_DEBUGFS */
147 };
148 
149 void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans,
150 			const struct iwl_fw *fw,
151 			const struct iwl_fw_runtime_ops *ops, void *ops_ctx,
152 			struct dentry *dbgfs_dir);
153 
154 void iwl_fw_runtime_exit(struct iwl_fw_runtime *fwrt);
155 
156 void iwl_fw_runtime_suspend(struct iwl_fw_runtime *fwrt);
157 
158 void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt);
159 
160 static inline void iwl_fw_set_current_image(struct iwl_fw_runtime *fwrt,
161 					    enum iwl_ucode_type cur_fw_img)
162 {
163 	fwrt->cur_fw_img = cur_fw_img;
164 }
165 
166 int iwl_init_paging(struct iwl_fw_runtime *fwrt, enum iwl_ucode_type type);
167 void iwl_free_fw_paging(struct iwl_fw_runtime *fwrt);
168 
169 void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt);
170 
171 void iwl_fwrt_handle_notification(struct iwl_fw_runtime *fwrt,
172 				  struct iwl_rx_cmd_buffer *rxb);
173 
174 #endif /* __iwl_fw_runtime_h__ */
175