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) 2013 - 2015 Intel Mobile Communications GmbH
9 * Copyright(c) 2016        Intel Deutschland GmbH
10 * Copyright(c) 2008 - 2014, 2018 - 2020 Intel Corporation
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19 * General Public License for more details.
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called COPYING.
23 *
24 * Contact Information:
25 *  Intel Linux Wireless <linuxwifi@intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *
28 * BSD LICENSE
29 *
30 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
31 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
32 * Copyright(c) 2016        Intel Deutschland GmbH
33 * Copyright(c) 2008 - 2014, 2018 - 2020 Intel Corporation
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61 *****************************************************************************/
62
63#ifndef __iwl_fw_img_h__
64#define __iwl_fw_img_h__
65#include <linux/types.h>
66
67#include "api/dbg-tlv.h"
68
69#include "file.h"
70#include "error-dump.h"
71
72/**
73 * enum iwl_ucode_type
74 *
75 * The type of ucode.
76 *
77 * @IWL_UCODE_REGULAR: Normal runtime ucode
78 * @IWL_UCODE_INIT: Initial ucode
79 * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
80 * @IWL_UCODE_REGULAR_USNIFFER: Normal runtime ucode when using usniffer image
81 */
82enum iwl_ucode_type {
83	IWL_UCODE_REGULAR,
84	IWL_UCODE_INIT,
85	IWL_UCODE_WOWLAN,
86	IWL_UCODE_REGULAR_USNIFFER,
87	IWL_UCODE_TYPE_MAX,
88};
89
90/*
91 * enumeration of ucode section.
92 * This enumeration is used directly for older firmware (before 16.0).
93 * For new firmware, there can be up to 4 sections (see below) but the
94 * first one packaged into the firmware file is the DATA section and
95 * some debugging code accesses that.
96 */
97enum iwl_ucode_sec {
98	IWL_UCODE_SECTION_DATA,
99	IWL_UCODE_SECTION_INST,
100};
101
102struct iwl_ucode_capabilities {
103	u32 max_probe_length;
104	u32 n_scan_channels;
105	u32 standard_phy_calibration_size;
106	u32 flags;
107	u32 error_log_addr;
108	u32 error_log_size;
109	u32 num_stations;
110	unsigned long _api[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_API)];
111	unsigned long _capa[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_CAPA)];
112
113	const struct iwl_fw_cmd_version *cmd_versions;
114	u32 n_cmd_versions;
115};
116
117static inline bool
118fw_has_api(const struct iwl_ucode_capabilities *capabilities,
119	   iwl_ucode_tlv_api_t api)
120{
121	return test_bit((__force long)api, capabilities->_api);
122}
123
124static inline bool
125fw_has_capa(const struct iwl_ucode_capabilities *capabilities,
126	    iwl_ucode_tlv_capa_t capa)
127{
128	return test_bit((__force long)capa, capabilities->_capa);
129}
130
131/* one for each uCode image (inst/data, init/runtime/wowlan) */
132struct fw_desc {
133	const void *data;	/* vmalloc'ed data */
134	u32 len;		/* size in bytes */
135	u32 offset;		/* offset in the device */
136};
137
138struct fw_img {
139	struct fw_desc *sec;
140	int num_sec;
141	bool is_dual_cpus;
142	u32 paging_mem_size;
143};
144
145/*
146 * Block paging calculations
147 */
148#define PAGE_2_EXP_SIZE 12 /* 4K == 2^12 */
149#define FW_PAGING_SIZE BIT(PAGE_2_EXP_SIZE) /* page size is 4KB */
150#define PAGE_PER_GROUP_2_EXP_SIZE 3
151/* 8 pages per group */
152#define NUM_OF_PAGE_PER_GROUP BIT(PAGE_PER_GROUP_2_EXP_SIZE)
153/* don't change, support only 32KB size */
154#define PAGING_BLOCK_SIZE (NUM_OF_PAGE_PER_GROUP * FW_PAGING_SIZE)
155/* 32K == 2^15 */
156#define BLOCK_2_EXP_SIZE (PAGE_2_EXP_SIZE + PAGE_PER_GROUP_2_EXP_SIZE)
157
158/*
159 * Image paging calculations
160 */
161#define BLOCK_PER_IMAGE_2_EXP_SIZE 5
162/* 2^5 == 32 blocks per image */
163#define NUM_OF_BLOCK_PER_IMAGE BIT(BLOCK_PER_IMAGE_2_EXP_SIZE)
164/* maximum image size 1024KB */
165#define MAX_PAGING_IMAGE_SIZE (NUM_OF_BLOCK_PER_IMAGE * PAGING_BLOCK_SIZE)
166
167/* Virtual address signature */
168#define PAGING_ADDR_SIG 0xAA000000
169
170#define PAGING_CMD_IS_SECURED BIT(9)
171#define PAGING_CMD_IS_ENABLED BIT(8)
172#define PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS	0
173#define PAGING_TLV_SECURE_MASK 1
174
175/**
176 * struct iwl_fw_paging
177 * @fw_paging_phys: page phy pointer
178 * @fw_paging_block: pointer to the allocated block
179 * @fw_paging_size: page size
180 */
181struct iwl_fw_paging {
182	dma_addr_t fw_paging_phys;
183	struct page *fw_paging_block;
184	u32 fw_paging_size;
185};
186
187/**
188 * struct iwl_fw_cscheme_list - a cipher scheme list
189 * @size: a number of entries
190 * @cs: cipher scheme entries
191 */
192struct iwl_fw_cscheme_list {
193	u8 size;
194	struct iwl_fw_cipher_scheme cs[];
195} __packed;
196
197/**
198 * enum iwl_fw_type - iwlwifi firmware type
199 * @IWL_FW_DVM: DVM firmware
200 * @IWL_FW_MVM: MVM firmware
201 */
202enum iwl_fw_type {
203	IWL_FW_DVM,
204	IWL_FW_MVM,
205};
206
207/**
208 * struct iwl_fw_dbg - debug data
209 *
210 * @dest_tlv: points to debug destination TLV (typically SRAM or DRAM)
211 * @n_dest_reg: num of reg_ops in dest_tlv
212 * @conf_tlv: array of pointers to configuration HCMDs
213 * @trigger_tlv: array of pointers to triggers TLVs
214 * @trigger_tlv_len: lengths of the @dbg_trigger_tlv entries
215 * @mem_tlv: Runtime addresses to dump
216 * @n_mem_tlv: number of runtime addresses
217 * @dump_mask: bitmask of dump regions
218*/
219struct iwl_fw_dbg {
220	struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv;
221	u8 n_dest_reg;
222	struct iwl_fw_dbg_conf_tlv *conf_tlv[FW_DBG_CONF_MAX];
223	struct iwl_fw_dbg_trigger_tlv *trigger_tlv[FW_DBG_TRIGGER_MAX];
224	size_t trigger_tlv_len[FW_DBG_TRIGGER_MAX];
225	struct iwl_fw_dbg_mem_seg_tlv *mem_tlv;
226	size_t n_mem_tlv;
227	u32 dump_mask;
228};
229
230/**
231 * struct iwl_fw - variables associated with the firmware
232 *
233 * @ucode_ver: ucode version from the ucode file
234 * @fw_version: firmware version string
235 * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
236 * @iml_len: length of the image loader image
237 * @iml: image loader fw image
238 * @ucode_capa: capabilities parsed from the ucode file.
239 * @enhance_sensitivity_table: device can do enhanced sensitivity.
240 * @init_evtlog_ptr: event log offset for init ucode.
241 * @init_evtlog_size: event log size for init ucode.
242 * @init_errlog_ptr: error log offfset for init ucode.
243 * @inst_evtlog_ptr: event log offset for runtime ucode.
244 * @inst_evtlog_size: event log size for runtime ucode.
245 * @inst_errlog_ptr: error log offfset for runtime ucode.
246 * @type: firmware type (&enum iwl_fw_type)
247 * @cipher_scheme: optional external cipher scheme.
248 * @human_readable: human readable version
249 *	we get the ALIVE from the uCode
250 */
251struct iwl_fw {
252	u32 ucode_ver;
253
254	char fw_version[64];
255
256	/* ucode images */
257	struct fw_img img[IWL_UCODE_TYPE_MAX];
258	size_t iml_len;
259	u8 *iml;
260
261	struct iwl_ucode_capabilities ucode_capa;
262	bool enhance_sensitivity_table;
263
264	u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
265	u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
266
267	struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
268	u32 phy_config;
269	u8 valid_tx_ant;
270	u8 valid_rx_ant;
271
272	enum iwl_fw_type type;
273
274	struct iwl_fw_cipher_scheme cs[IWL_UCODE_MAX_CS];
275	u8 human_readable[FW_VER_HUMAN_READABLE_SZ];
276
277	struct iwl_fw_dbg dbg;
278};
279
280static inline const char *get_fw_dbg_mode_string(int mode)
281{
282	switch (mode) {
283	case SMEM_MODE:
284		return "SMEM";
285	case EXTERNAL_MODE:
286		return "EXTERNAL_DRAM";
287	case MARBH_MODE:
288		return "MARBH";
289	case MIPI_MODE:
290		return "MIPI";
291	default:
292		return "UNKNOWN";
293	}
294}
295
296static inline bool
297iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
298{
299	const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg.conf_tlv[id];
300
301	if (!conf_tlv)
302		return false;
303
304	return conf_tlv->usniffer;
305}
306
307static inline const struct fw_img *
308iwl_get_ucode_image(const struct iwl_fw *fw, enum iwl_ucode_type ucode_type)
309{
310	if (ucode_type >= IWL_UCODE_TYPE_MAX)
311		return NULL;
312
313	return &fw->img[ucode_type];
314}
315
316u8 iwl_fw_lookup_cmd_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def);
317
318u8 iwl_fw_lookup_notif_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def);
319const char *iwl_fw_lookup_assert_desc(u32 num);
320#endif  /* __iwl_fw_img_h__ */
321