1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2005-2014, 2018-2020 Intel Corporation
4  * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5  * Copyright (C) 2016 Intel Deutschland GmbH
6  */
7 #ifndef __iwl_fw_img_h__
8 #define __iwl_fw_img_h__
9 #include <linux/types.h>
10 
11 #include "api/dbg-tlv.h"
12 
13 #include "file.h"
14 #include "error-dump.h"
15 
16 /**
17  * enum iwl_ucode_type
18  *
19  * The type of ucode.
20  *
21  * @IWL_UCODE_REGULAR: Normal runtime ucode
22  * @IWL_UCODE_INIT: Initial ucode
23  * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
24  * @IWL_UCODE_REGULAR_USNIFFER: Normal runtime ucode when using usniffer image
25  */
26 enum iwl_ucode_type {
27 	IWL_UCODE_REGULAR,
28 	IWL_UCODE_INIT,
29 	IWL_UCODE_WOWLAN,
30 	IWL_UCODE_REGULAR_USNIFFER,
31 	IWL_UCODE_TYPE_MAX,
32 };
33 
34 /*
35  * enumeration of ucode section.
36  * This enumeration is used directly for older firmware (before 16.0).
37  * For new firmware, there can be up to 4 sections (see below) but the
38  * first one packaged into the firmware file is the DATA section and
39  * some debugging code accesses that.
40  */
41 enum iwl_ucode_sec {
42 	IWL_UCODE_SECTION_DATA,
43 	IWL_UCODE_SECTION_INST,
44 };
45 
46 struct iwl_ucode_capabilities {
47 	u32 max_probe_length;
48 	u32 n_scan_channels;
49 	u32 standard_phy_calibration_size;
50 	u32 flags;
51 	u32 error_log_addr;
52 	u32 error_log_size;
53 	u32 num_stations;
54 	unsigned long _api[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_API)];
55 	unsigned long _capa[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_CAPA)];
56 
57 	const struct iwl_fw_cmd_version *cmd_versions;
58 	u32 n_cmd_versions;
59 };
60 
61 static inline bool
62 fw_has_api(const struct iwl_ucode_capabilities *capabilities,
63 	   iwl_ucode_tlv_api_t api)
64 {
65 	return test_bit((__force long)api, capabilities->_api);
66 }
67 
68 static inline bool
69 fw_has_capa(const struct iwl_ucode_capabilities *capabilities,
70 	    iwl_ucode_tlv_capa_t capa)
71 {
72 	return test_bit((__force long)capa, capabilities->_capa);
73 }
74 
75 /* one for each uCode image (inst/data, init/runtime/wowlan) */
76 struct fw_desc {
77 	const void *data;	/* vmalloc'ed data */
78 	u32 len;		/* size in bytes */
79 	u32 offset;		/* offset in the device */
80 };
81 
82 struct fw_img {
83 	struct fw_desc *sec;
84 	int num_sec;
85 	bool is_dual_cpus;
86 	u32 paging_mem_size;
87 };
88 
89 /*
90  * Block paging calculations
91  */
92 #define PAGE_2_EXP_SIZE 12 /* 4K == 2^12 */
93 #define FW_PAGING_SIZE BIT(PAGE_2_EXP_SIZE) /* page size is 4KB */
94 #define PAGE_PER_GROUP_2_EXP_SIZE 3
95 /* 8 pages per group */
96 #define NUM_OF_PAGE_PER_GROUP BIT(PAGE_PER_GROUP_2_EXP_SIZE)
97 /* don't change, support only 32KB size */
98 #define PAGING_BLOCK_SIZE (NUM_OF_PAGE_PER_GROUP * FW_PAGING_SIZE)
99 /* 32K == 2^15 */
100 #define BLOCK_2_EXP_SIZE (PAGE_2_EXP_SIZE + PAGE_PER_GROUP_2_EXP_SIZE)
101 
102 /*
103  * Image paging calculations
104  */
105 #define BLOCK_PER_IMAGE_2_EXP_SIZE 5
106 /* 2^5 == 32 blocks per image */
107 #define NUM_OF_BLOCK_PER_IMAGE BIT(BLOCK_PER_IMAGE_2_EXP_SIZE)
108 /* maximum image size 1024KB */
109 #define MAX_PAGING_IMAGE_SIZE (NUM_OF_BLOCK_PER_IMAGE * PAGING_BLOCK_SIZE)
110 
111 /* Virtual address signature */
112 #define PAGING_ADDR_SIG 0xAA000000
113 
114 #define PAGING_CMD_IS_SECURED BIT(9)
115 #define PAGING_CMD_IS_ENABLED BIT(8)
116 #define PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS	0
117 #define PAGING_TLV_SECURE_MASK 1
118 
119 /**
120  * struct iwl_fw_paging
121  * @fw_paging_phys: page phy pointer
122  * @fw_paging_block: pointer to the allocated block
123  * @fw_paging_size: page size
124  */
125 struct iwl_fw_paging {
126 	dma_addr_t fw_paging_phys;
127 	struct page *fw_paging_block;
128 	u32 fw_paging_size;
129 };
130 
131 /**
132  * struct iwl_fw_cscheme_list - a cipher scheme list
133  * @size: a number of entries
134  * @cs: cipher scheme entries
135  */
136 struct iwl_fw_cscheme_list {
137 	u8 size;
138 	struct iwl_fw_cipher_scheme cs[];
139 } __packed;
140 
141 /**
142  * enum iwl_fw_type - iwlwifi firmware type
143  * @IWL_FW_DVM: DVM firmware
144  * @IWL_FW_MVM: MVM firmware
145  */
146 enum iwl_fw_type {
147 	IWL_FW_DVM,
148 	IWL_FW_MVM,
149 };
150 
151 /**
152  * struct iwl_fw_dbg - debug data
153  *
154  * @dest_tlv: points to debug destination TLV (typically SRAM or DRAM)
155  * @n_dest_reg: num of reg_ops in dest_tlv
156  * @conf_tlv: array of pointers to configuration HCMDs
157  * @trigger_tlv: array of pointers to triggers TLVs
158  * @trigger_tlv_len: lengths of the @dbg_trigger_tlv entries
159  * @mem_tlv: Runtime addresses to dump
160  * @n_mem_tlv: number of runtime addresses
161  * @dump_mask: bitmask of dump regions
162 */
163 struct iwl_fw_dbg {
164 	struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv;
165 	u8 n_dest_reg;
166 	struct iwl_fw_dbg_conf_tlv *conf_tlv[FW_DBG_CONF_MAX];
167 	struct iwl_fw_dbg_trigger_tlv *trigger_tlv[FW_DBG_TRIGGER_MAX];
168 	size_t trigger_tlv_len[FW_DBG_TRIGGER_MAX];
169 	struct iwl_fw_dbg_mem_seg_tlv *mem_tlv;
170 	size_t n_mem_tlv;
171 	u32 dump_mask;
172 };
173 
174 /**
175  * struct iwl_fw - variables associated with the firmware
176  *
177  * @ucode_ver: ucode version from the ucode file
178  * @fw_version: firmware version string
179  * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
180  * @iml_len: length of the image loader image
181  * @iml: image loader fw image
182  * @ucode_capa: capabilities parsed from the ucode file.
183  * @enhance_sensitivity_table: device can do enhanced sensitivity.
184  * @init_evtlog_ptr: event log offset for init ucode.
185  * @init_evtlog_size: event log size for init ucode.
186  * @init_errlog_ptr: error log offfset for init ucode.
187  * @inst_evtlog_ptr: event log offset for runtime ucode.
188  * @inst_evtlog_size: event log size for runtime ucode.
189  * @inst_errlog_ptr: error log offfset for runtime ucode.
190  * @type: firmware type (&enum iwl_fw_type)
191  * @cipher_scheme: optional external cipher scheme.
192  * @human_readable: human readable version
193  *	we get the ALIVE from the uCode
194  */
195 struct iwl_fw {
196 	u32 ucode_ver;
197 
198 	char fw_version[64];
199 
200 	/* ucode images */
201 	struct fw_img img[IWL_UCODE_TYPE_MAX];
202 	size_t iml_len;
203 	u8 *iml;
204 
205 	struct iwl_ucode_capabilities ucode_capa;
206 	bool enhance_sensitivity_table;
207 
208 	u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
209 	u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
210 
211 	struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
212 	u32 phy_config;
213 	u8 valid_tx_ant;
214 	u8 valid_rx_ant;
215 
216 	enum iwl_fw_type type;
217 
218 	struct iwl_fw_cipher_scheme cs[IWL_UCODE_MAX_CS];
219 	u8 human_readable[FW_VER_HUMAN_READABLE_SZ];
220 
221 	struct iwl_fw_dbg dbg;
222 
223 	u8 *phy_integration_ver;
224 	u32 phy_integration_ver_len;
225 };
226 
227 static inline const char *get_fw_dbg_mode_string(int mode)
228 {
229 	switch (mode) {
230 	case SMEM_MODE:
231 		return "SMEM";
232 	case EXTERNAL_MODE:
233 		return "EXTERNAL_DRAM";
234 	case MARBH_MODE:
235 		return "MARBH";
236 	case MIPI_MODE:
237 		return "MIPI";
238 	default:
239 		return "UNKNOWN";
240 	}
241 }
242 
243 static inline bool
244 iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
245 {
246 	const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg.conf_tlv[id];
247 
248 	if (!conf_tlv)
249 		return false;
250 
251 	return conf_tlv->usniffer;
252 }
253 
254 static inline const struct fw_img *
255 iwl_get_ucode_image(const struct iwl_fw *fw, enum iwl_ucode_type ucode_type)
256 {
257 	if (ucode_type >= IWL_UCODE_TYPE_MAX)
258 		return NULL;
259 
260 	return &fw->img[ucode_type];
261 }
262 
263 u8 iwl_fw_lookup_cmd_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def);
264 
265 u8 iwl_fw_lookup_notif_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def);
266 const char *iwl_fw_lookup_assert_desc(u32 num);
267 #endif  /* __iwl_fw_img_h__ */
268