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authorGolan Ben-Ami <golan.ben.ami@intel.com>2015-10-27 13:17:14 -0400
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2015-12-01 14:17:35 -0500
commit2f89a5d7d37706a19c2e3d338a9654bfabc5b21b (patch)
tree8da4c1a4158e104d1016556552816c31283d18fb /drivers/net
parent6f7306622ff4e6b6d59efa77383e0cd9d85f46b0 (diff)
iwlwifi: mvm: move fw-dbg code to separate file
The fw debug functionality is big enough to warrant a separate file. Move existing related functions to the new file. Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-fw.h17
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/Makefile2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c1
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c780
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h150
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw.c132
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c1
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c580
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mvm.h59
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/ops.c1
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rx.c1
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/time-event.c1
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tx.c1
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/utils.c2
14 files changed, 941 insertions, 787 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-fw.h b/drivers/net/wireless/intel/iwlwifi/iwl-fw.h
index c6946f1644fc..2e1909fcd3ba 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-fw.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-fw.h
@@ -305,21 +305,4 @@ iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
305 return conf_tlv->usniffer; 305 return conf_tlv->usniffer;
306} 306}
307 307
308#define iwl_fw_dbg_trigger_enabled(fw, id) ({ \
309 void *__dbg_trigger = (fw)->dbg_trigger_tlv[(id)]; \
310 unlikely(__dbg_trigger); \
311})
312
313static inline struct iwl_fw_dbg_trigger_tlv*
314_iwl_fw_dbg_get_trigger(const struct iwl_fw *fw, enum iwl_fw_dbg_trigger id)
315{
316 return fw->dbg_trigger_tlv[id];
317}
318
319#define iwl_fw_dbg_get_trigger(fw, id) ({ \
320 BUILD_BUG_ON(!__builtin_constant_p(id)); \
321 BUILD_BUG_ON((id) >= FW_DBG_TRIGGER_MAX); \
322 _iwl_fw_dbg_get_trigger((fw), (id)); \
323})
324
325#endif /* __iwl_fw_h__ */ 308#endif /* __iwl_fw_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/Makefile b/drivers/net/wireless/intel/iwlwifi/mvm/Makefile
index 8c2c3d13b092..2c0d20f2a918 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/Makefile
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/Makefile
@@ -6,7 +6,7 @@ iwlmvm-y += power.o coex.o coex_legacy.o
6iwlmvm-y += tt.o offloading.o tdls.o 6iwlmvm-y += tt.o offloading.o tdls.o
7iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o debugfs-vif.o 7iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o debugfs-vif.o
8iwlmvm-$(CONFIG_IWLWIFI_LEDS) += led.o 8iwlmvm-$(CONFIG_IWLWIFI_LEDS) += led.o
9iwlmvm-y += tof.o 9iwlmvm-y += tof.o fw-dbg.o
10iwlmvm-$(CONFIG_PM_SLEEP) += d3.o 10iwlmvm-$(CONFIG_PM_SLEEP) += d3.o
11 11
12ccflags-y += -D__CHECK_ENDIAN__ -I$(src)/../ 12ccflags-y += -D__CHECK_ENDIAN__ -I$(src)/../
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 48d5ee1b026c..3f7682da99e7 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -65,6 +65,7 @@
65#include <linux/vmalloc.h> 65#include <linux/vmalloc.h>
66 66
67#include "mvm.h" 67#include "mvm.h"
68#include "fw-dbg.h"
68#include "sta.h" 69#include "sta.h"
69#include "iwl-io.h" 70#include "iwl-io.h"
70#include "debugfs.h" 71#include "debugfs.h"
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
new file mode 100644
index 000000000000..b8e0591970ae
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
@@ -0,0 +1,780 @@
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) 2008 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2015 Intel Deutschland GmbH
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 * You should have received a copy of the GNU General Public License
22 * along with this program;
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
34 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
35 * Copyright(c) 2015 Intel Deutschland GmbH
36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 *
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
47 * distribution.
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *
64 *****************************************************************************/
65#include <linux/devcoredump.h>
66
67#include "fw-dbg.h"
68#include "iwl-io.h"
69#include "mvm.h"
70#include "iwl-prph.h"
71#include "iwl-csr.h"
72
73static ssize_t iwl_mvm_read_coredump(char *buffer, loff_t offset, size_t count,
74 const void *data, size_t datalen)
75{
76 const struct iwl_mvm_dump_ptrs *dump_ptrs = data;
77 ssize_t bytes_read;
78 ssize_t bytes_read_trans;
79
80 if (offset < dump_ptrs->op_mode_len) {
81 bytes_read = min_t(ssize_t, count,
82 dump_ptrs->op_mode_len - offset);
83 memcpy(buffer, (u8 *)dump_ptrs->op_mode_ptr + offset,
84 bytes_read);
85 offset += bytes_read;
86 count -= bytes_read;
87
88 if (count == 0)
89 return bytes_read;
90 } else {
91 bytes_read = 0;
92 }
93
94 if (!dump_ptrs->trans_ptr)
95 return bytes_read;
96
97 offset -= dump_ptrs->op_mode_len;
98 bytes_read_trans = min_t(ssize_t, count,
99 dump_ptrs->trans_ptr->len - offset);
100 memcpy(buffer + bytes_read,
101 (u8 *)dump_ptrs->trans_ptr->data + offset,
102 bytes_read_trans);
103
104 return bytes_read + bytes_read_trans;
105}
106
107static void iwl_mvm_free_coredump(const void *data)
108{
109 const struct iwl_mvm_dump_ptrs *fw_error_dump = data;
110
111 vfree(fw_error_dump->op_mode_ptr);
112 vfree(fw_error_dump->trans_ptr);
113 kfree(fw_error_dump);
114}
115
116static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm,
117 struct iwl_fw_error_dump_data **dump_data)
118{
119 struct iwl_fw_error_dump_fifo *fifo_hdr;
120 u32 *fifo_data;
121 u32 fifo_len;
122 unsigned long flags;
123 int i, j;
124
125 if (!iwl_trans_grab_nic_access(mvm->trans, false, &flags))
126 return;
127
128 /* Pull RXF data from all RXFs */
129 for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++) {
130 /*
131 * Keep aside the additional offset that might be needed for
132 * next RXF
133 */
134 u32 offset_diff = RXF_DIFF_FROM_PREV * i;
135
136 fifo_hdr = (void *)(*dump_data)->data;
137 fifo_data = (void *)fifo_hdr->data;
138 fifo_len = mvm->shared_mem_cfg.rxfifo_size[i];
139
140 /* No need to try to read the data if the length is 0 */
141 if (fifo_len == 0)
142 continue;
143
144 /* Add a TLV for the RXF */
145 (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF);
146 (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr));
147
148 fifo_hdr->fifo_num = cpu_to_le32(i);
149 fifo_hdr->available_bytes =
150 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
151 RXF_RD_D_SPACE +
152 offset_diff));
153 fifo_hdr->wr_ptr =
154 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
155 RXF_RD_WR_PTR +
156 offset_diff));
157 fifo_hdr->rd_ptr =
158 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
159 RXF_RD_RD_PTR +
160 offset_diff));
161 fifo_hdr->fence_ptr =
162 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
163 RXF_RD_FENCE_PTR +
164 offset_diff));
165 fifo_hdr->fence_mode =
166 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
167 RXF_SET_FENCE_MODE +
168 offset_diff));
169
170 /* Lock fence */
171 iwl_trans_write_prph(mvm->trans,
172 RXF_SET_FENCE_MODE + offset_diff, 0x1);
173 /* Set fence pointer to the same place like WR pointer */
174 iwl_trans_write_prph(mvm->trans,
175 RXF_LD_WR2FENCE + offset_diff, 0x1);
176 /* Set fence offset */
177 iwl_trans_write_prph(mvm->trans,
178 RXF_LD_FENCE_OFFSET_ADDR + offset_diff,
179 0x0);
180
181 /* Read FIFO */
182 fifo_len /= sizeof(u32); /* Size in DWORDS */
183 for (j = 0; j < fifo_len; j++)
184 fifo_data[j] = iwl_trans_read_prph(mvm->trans,
185 RXF_FIFO_RD_FENCE_INC +
186 offset_diff);
187 *dump_data = iwl_fw_error_next_data(*dump_data);
188 }
189
190 /* Pull TXF data from all TXFs */
191 for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size); i++) {
192 /* Mark the number of TXF we're pulling now */
193 iwl_trans_write_prph(mvm->trans, TXF_LARC_NUM, i);
194
195 fifo_hdr = (void *)(*dump_data)->data;
196 fifo_data = (void *)fifo_hdr->data;
197 fifo_len = mvm->shared_mem_cfg.txfifo_size[i];
198
199 /* No need to try to read the data if the length is 0 */
200 if (fifo_len == 0)
201 continue;
202
203 /* Add a TLV for the FIFO */
204 (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_TXF);
205 (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr));
206
207 fifo_hdr->fifo_num = cpu_to_le32(i);
208 fifo_hdr->available_bytes =
209 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
210 TXF_FIFO_ITEM_CNT));
211 fifo_hdr->wr_ptr =
212 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
213 TXF_WR_PTR));
214 fifo_hdr->rd_ptr =
215 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
216 TXF_RD_PTR));
217 fifo_hdr->fence_ptr =
218 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
219 TXF_FENCE_PTR));
220 fifo_hdr->fence_mode =
221 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
222 TXF_LOCK_FENCE));
223
224 /* Set the TXF_READ_MODIFY_ADDR to TXF_WR_PTR */
225 iwl_trans_write_prph(mvm->trans, TXF_READ_MODIFY_ADDR,
226 TXF_WR_PTR);
227
228 /* Dummy-read to advance the read pointer to the head */
229 iwl_trans_read_prph(mvm->trans, TXF_READ_MODIFY_DATA);
230
231 /* Read FIFO */
232 fifo_len /= sizeof(u32); /* Size in DWORDS */
233 for (j = 0; j < fifo_len; j++)
234 fifo_data[j] = iwl_trans_read_prph(mvm->trans,
235 TXF_READ_MODIFY_DATA);
236 *dump_data = iwl_fw_error_next_data(*dump_data);
237 }
238
239 iwl_trans_release_nic_access(mvm->trans, &flags);
240}
241
242void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm)
243{
244 if (mvm->fw_dump_desc == &iwl_mvm_dump_desc_assert ||
245 !mvm->fw_dump_desc)
246 return;
247
248 kfree(mvm->fw_dump_desc);
249 mvm->fw_dump_desc = NULL;
250}
251
252#define IWL8260_ICCM_OFFSET 0x44000 /* Only for B-step */
253#define IWL8260_ICCM_LEN 0xC000 /* Only for B-step */
254
255static const struct {
256 u32 start, end;
257} iwl_prph_dump_addr[] = {
258 { .start = 0x00a00000, .end = 0x00a00000 },
259 { .start = 0x00a0000c, .end = 0x00a00024 },
260 { .start = 0x00a0002c, .end = 0x00a0003c },
261 { .start = 0x00a00410, .end = 0x00a00418 },
262 { .start = 0x00a00420, .end = 0x00a00420 },
263 { .start = 0x00a00428, .end = 0x00a00428 },
264 { .start = 0x00a00430, .end = 0x00a0043c },
265 { .start = 0x00a00444, .end = 0x00a00444 },
266 { .start = 0x00a004c0, .end = 0x00a004cc },
267 { .start = 0x00a004d8, .end = 0x00a004d8 },
268 { .start = 0x00a004e0, .end = 0x00a004f0 },
269 { .start = 0x00a00840, .end = 0x00a00840 },
270 { .start = 0x00a00850, .end = 0x00a00858 },
271 { .start = 0x00a01004, .end = 0x00a01008 },
272 { .start = 0x00a01010, .end = 0x00a01010 },
273 { .start = 0x00a01018, .end = 0x00a01018 },
274 { .start = 0x00a01024, .end = 0x00a01024 },
275 { .start = 0x00a0102c, .end = 0x00a01034 },
276 { .start = 0x00a0103c, .end = 0x00a01040 },
277 { .start = 0x00a01048, .end = 0x00a01094 },
278 { .start = 0x00a01c00, .end = 0x00a01c20 },
279 { .start = 0x00a01c58, .end = 0x00a01c58 },
280 { .start = 0x00a01c7c, .end = 0x00a01c7c },
281 { .start = 0x00a01c28, .end = 0x00a01c54 },
282 { .start = 0x00a01c5c, .end = 0x00a01c5c },
283 { .start = 0x00a01c60, .end = 0x00a01cdc },
284 { .start = 0x00a01ce0, .end = 0x00a01d0c },
285 { .start = 0x00a01d18, .end = 0x00a01d20 },
286 { .start = 0x00a01d2c, .end = 0x00a01d30 },
287 { .start = 0x00a01d40, .end = 0x00a01d5c },
288 { .start = 0x00a01d80, .end = 0x00a01d80 },
289 { .start = 0x00a01d98, .end = 0x00a01d9c },
290 { .start = 0x00a01da8, .end = 0x00a01da8 },
291 { .start = 0x00a01db8, .end = 0x00a01df4 },
292 { .start = 0x00a01dc0, .end = 0x00a01dfc },
293 { .start = 0x00a01e00, .end = 0x00a01e2c },
294 { .start = 0x00a01e40, .end = 0x00a01e60 },
295 { .start = 0x00a01e68, .end = 0x00a01e6c },
296 { .start = 0x00a01e74, .end = 0x00a01e74 },
297 { .start = 0x00a01e84, .end = 0x00a01e90 },
298 { .start = 0x00a01e9c, .end = 0x00a01ec4 },
299 { .start = 0x00a01ed0, .end = 0x00a01ee0 },
300 { .start = 0x00a01f00, .end = 0x00a01f1c },
301 { .start = 0x00a01f44, .end = 0x00a01ffc },
302 { .start = 0x00a02000, .end = 0x00a02048 },
303 { .start = 0x00a02068, .end = 0x00a020f0 },
304 { .start = 0x00a02100, .end = 0x00a02118 },
305 { .start = 0x00a02140, .end = 0x00a0214c },
306 { .start = 0x00a02168, .end = 0x00a0218c },
307 { .start = 0x00a021c0, .end = 0x00a021c0 },
308 { .start = 0x00a02400, .end = 0x00a02410 },
309 { .start = 0x00a02418, .end = 0x00a02420 },
310 { .start = 0x00a02428, .end = 0x00a0242c },
311 { .start = 0x00a02434, .end = 0x00a02434 },
312 { .start = 0x00a02440, .end = 0x00a02460 },
313 { .start = 0x00a02468, .end = 0x00a024b0 },
314 { .start = 0x00a024c8, .end = 0x00a024cc },
315 { .start = 0x00a02500, .end = 0x00a02504 },
316 { .start = 0x00a0250c, .end = 0x00a02510 },
317 { .start = 0x00a02540, .end = 0x00a02554 },
318 { .start = 0x00a02580, .end = 0x00a025f4 },
319 { .start = 0x00a02600, .end = 0x00a0260c },
320 { .start = 0x00a02648, .end = 0x00a02650 },
321 { .start = 0x00a02680, .end = 0x00a02680 },
322 { .start = 0x00a026c0, .end = 0x00a026d0 },
323 { .start = 0x00a02700, .end = 0x00a0270c },
324 { .start = 0x00a02804, .end = 0x00a02804 },
325 { .start = 0x00a02818, .end = 0x00a0281c },
326 { .start = 0x00a02c00, .end = 0x00a02db4 },
327 { .start = 0x00a02df4, .end = 0x00a02fb0 },
328 { .start = 0x00a03000, .end = 0x00a03014 },
329 { .start = 0x00a0301c, .end = 0x00a0302c },
330 { .start = 0x00a03034, .end = 0x00a03038 },
331 { .start = 0x00a03040, .end = 0x00a03048 },
332 { .start = 0x00a03060, .end = 0x00a03068 },
333 { .start = 0x00a03070, .end = 0x00a03074 },
334 { .start = 0x00a0307c, .end = 0x00a0307c },
335 { .start = 0x00a03080, .end = 0x00a03084 },
336 { .start = 0x00a0308c, .end = 0x00a03090 },
337 { .start = 0x00a03098, .end = 0x00a03098 },
338 { .start = 0x00a030a0, .end = 0x00a030a0 },
339 { .start = 0x00a030a8, .end = 0x00a030b4 },
340 { .start = 0x00a030bc, .end = 0x00a030bc },
341 { .start = 0x00a030c0, .end = 0x00a0312c },
342 { .start = 0x00a03c00, .end = 0x00a03c5c },
343 { .start = 0x00a04400, .end = 0x00a04454 },
344 { .start = 0x00a04460, .end = 0x00a04474 },
345 { .start = 0x00a044c0, .end = 0x00a044ec },
346 { .start = 0x00a04500, .end = 0x00a04504 },
347 { .start = 0x00a04510, .end = 0x00a04538 },
348 { .start = 0x00a04540, .end = 0x00a04548 },
349 { .start = 0x00a04560, .end = 0x00a0457c },
350 { .start = 0x00a04590, .end = 0x00a04598 },
351 { .start = 0x00a045c0, .end = 0x00a045f4 },
352};
353
354static u32 iwl_dump_prph(struct iwl_trans *trans,
355 struct iwl_fw_error_dump_data **data)
356{
357 struct iwl_fw_error_dump_prph *prph;
358 unsigned long flags;
359 u32 prph_len = 0, i;
360
361 if (!iwl_trans_grab_nic_access(trans, false, &flags))
362 return 0;
363
364 for (i = 0; i < ARRAY_SIZE(iwl_prph_dump_addr); i++) {
365 /* The range includes both boundaries */
366 int num_bytes_in_chunk = iwl_prph_dump_addr[i].end -
367 iwl_prph_dump_addr[i].start + 4;
368 int reg;
369 __le32 *val;
370
371 prph_len += sizeof(**data) + sizeof(*prph) + num_bytes_in_chunk;
372
373 (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PRPH);
374 (*data)->len = cpu_to_le32(sizeof(*prph) +
375 num_bytes_in_chunk);
376 prph = (void *)(*data)->data;
377 prph->prph_start = cpu_to_le32(iwl_prph_dump_addr[i].start);
378 val = (void *)prph->data;
379
380 for (reg = iwl_prph_dump_addr[i].start;
381 reg <= iwl_prph_dump_addr[i].end;
382 reg += 4)
383 *val++ = cpu_to_le32(iwl_read_prph_no_grab(trans,
384 reg));
385
386 *data = iwl_fw_error_next_data(*data);
387 }
388
389 iwl_trans_release_nic_access(trans, &flags);
390
391 return prph_len;
392}
393
394void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
395{
396 struct iwl_fw_error_dump_file *dump_file;
397 struct iwl_fw_error_dump_data *dump_data;
398 struct iwl_fw_error_dump_info *dump_info;
399 struct iwl_fw_error_dump_mem *dump_mem;
400 struct iwl_fw_error_dump_trigger_desc *dump_trig;
401 struct iwl_mvm_dump_ptrs *fw_error_dump;
402 u32 sram_len, sram_ofs;
403 u32 file_len, fifo_data_len = 0;
404 u32 smem_len = mvm->cfg->smem_len;
405 u32 sram2_len = mvm->cfg->dccm2_len;
406 bool monitor_dump_only = false;
407 int i;
408
409 lockdep_assert_held(&mvm->mutex);
410
411 /* there's no point in fw dump if the bus is dead */
412 if (test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
413 IWL_ERR(mvm, "Skip fw error dump since bus is dead\n");
414 return;
415 }
416
417 if (mvm->fw_dump_trig &&
418 mvm->fw_dump_trig->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY)
419 monitor_dump_only = true;
420
421 fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL);
422 if (!fw_error_dump)
423 return;
424
425 /* SRAM - include stack CCM if driver knows the values for it */
426 if (!mvm->cfg->dccm_offset || !mvm->cfg->dccm_len) {
427 const struct fw_img *img;
428
429 img = &mvm->fw->img[mvm->cur_ucode];
430 sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
431 sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
432 } else {
433 sram_ofs = mvm->cfg->dccm_offset;
434 sram_len = mvm->cfg->dccm_len;
435 }
436
437 /* reading RXF/TXF sizes */
438 if (test_bit(STATUS_FW_ERROR, &mvm->trans->status)) {
439 struct iwl_mvm_shared_mem_cfg *mem_cfg = &mvm->shared_mem_cfg;
440
441 fifo_data_len = 0;
442
443 /* Count RXF size */
444 for (i = 0; i < ARRAY_SIZE(mem_cfg->rxfifo_size); i++) {
445 if (!mem_cfg->rxfifo_size[i])
446 continue;
447
448 /* Add header info */
449 fifo_data_len += mem_cfg->rxfifo_size[i] +
450 sizeof(*dump_data) +
451 sizeof(struct iwl_fw_error_dump_fifo);
452 }
453
454 for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++) {
455 if (!mem_cfg->txfifo_size[i])
456 continue;
457
458 /* Add header info */
459 fifo_data_len += mem_cfg->txfifo_size[i] +
460 sizeof(*dump_data) +
461 sizeof(struct iwl_fw_error_dump_fifo);
462 }
463 }
464
465 file_len = sizeof(*dump_file) +
466 sizeof(*dump_data) * 2 +
467 sram_len + sizeof(*dump_mem) +
468 fifo_data_len +
469 sizeof(*dump_info);
470
471 /* Make room for the SMEM, if it exists */
472 if (smem_len)
473 file_len += sizeof(*dump_data) + sizeof(*dump_mem) + smem_len;
474
475 /* Make room for the secondary SRAM, if it exists */
476 if (sram2_len)
477 file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len;
478
479 /* Make room for fw's virtual image pages, if it exists */
480 if (mvm->fw->img[mvm->cur_ucode].paging_mem_size)
481 file_len += mvm->num_of_paging_blk *
482 (sizeof(*dump_data) +
483 sizeof(struct iwl_fw_error_dump_paging) +
484 PAGING_BLOCK_SIZE);
485
486 /* If we only want a monitor dump, reset the file length */
487 if (monitor_dump_only) {
488 file_len = sizeof(*dump_file) + sizeof(*dump_data) +
489 sizeof(*dump_info);
490 }
491
492 /* Make room for PRPH registers */
493 for (i = 0; i < ARRAY_SIZE(iwl_prph_dump_addr); i++) {
494 /* The range includes both boundaries */
495 int num_bytes_in_chunk = iwl_prph_dump_addr[i].end -
496 iwl_prph_dump_addr[i].start + 4;
497
498 file_len += sizeof(*dump_data) +
499 sizeof(struct iwl_fw_error_dump_prph) +
500 num_bytes_in_chunk;
501 }
502
503 /*
504 * In 8000 HW family B-step include the ICCM (which resides separately)
505 */
506 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000 &&
507 CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_B_STEP)
508 file_len += sizeof(*dump_data) + sizeof(*dump_mem) +
509 IWL8260_ICCM_LEN;
510
511 if (mvm->fw_dump_desc)
512 file_len += sizeof(*dump_data) + sizeof(*dump_trig) +
513 mvm->fw_dump_desc->len;
514
515 dump_file = vzalloc(file_len);
516 if (!dump_file) {
517 kfree(fw_error_dump);
518 iwl_mvm_free_fw_dump_desc(mvm);
519 return;
520 }
521
522 fw_error_dump->op_mode_ptr = dump_file;
523
524 dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
525 dump_data = (void *)dump_file->data;
526
527 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
528 dump_data->len = cpu_to_le32(sizeof(*dump_info));
529 dump_info = (void *)dump_data->data;
530 dump_info->device_family =
531 mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ?
532 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) :
533 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8);
534 dump_info->hw_step = cpu_to_le32(CSR_HW_REV_STEP(mvm->trans->hw_rev));
535 memcpy(dump_info->fw_human_readable, mvm->fw->human_readable,
536 sizeof(dump_info->fw_human_readable));
537 strncpy(dump_info->dev_human_readable, mvm->cfg->name,
538 sizeof(dump_info->dev_human_readable));
539 strncpy(dump_info->bus_human_readable, mvm->dev->bus->name,
540 sizeof(dump_info->bus_human_readable));
541
542 dump_data = iwl_fw_error_next_data(dump_data);
543 /* We only dump the FIFOs if the FW is in error state */
544 if (test_bit(STATUS_FW_ERROR, &mvm->trans->status))
545 iwl_mvm_dump_fifos(mvm, &dump_data);
546
547 if (mvm->fw_dump_desc) {
548 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO);
549 dump_data->len = cpu_to_le32(sizeof(*dump_trig) +
550 mvm->fw_dump_desc->len);
551 dump_trig = (void *)dump_data->data;
552 memcpy(dump_trig, &mvm->fw_dump_desc->trig_desc,
553 sizeof(*dump_trig) + mvm->fw_dump_desc->len);
554
555 /* now we can free this copy */
556 iwl_mvm_free_fw_dump_desc(mvm);
557 dump_data = iwl_fw_error_next_data(dump_data);
558 }
559
560 /* In case we only want monitor dump, skip to dump trasport data */
561 if (monitor_dump_only)
562 goto dump_trans_data;
563
564 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
565 dump_data->len = cpu_to_le32(sram_len + sizeof(*dump_mem));
566 dump_mem = (void *)dump_data->data;
567 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
568 dump_mem->offset = cpu_to_le32(sram_ofs);
569 iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_mem->data,
570 sram_len);
571
572 if (smem_len) {
573 dump_data = iwl_fw_error_next_data(dump_data);
574 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
575 dump_data->len = cpu_to_le32(smem_len + sizeof(*dump_mem));
576 dump_mem = (void *)dump_data->data;
577 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SMEM);
578 dump_mem->offset = cpu_to_le32(mvm->cfg->smem_offset);
579 iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->smem_offset,
580 dump_mem->data, smem_len);
581 }
582
583 if (sram2_len) {
584 dump_data = iwl_fw_error_next_data(dump_data);
585 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
586 dump_data->len = cpu_to_le32(sram2_len + sizeof(*dump_mem));
587 dump_mem = (void *)dump_data->data;
588 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
589 dump_mem->offset = cpu_to_le32(mvm->cfg->dccm2_offset);
590 iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->dccm2_offset,
591 dump_mem->data, sram2_len);
592 }
593
594 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000 &&
595 CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_B_STEP) {
596 dump_data = iwl_fw_error_next_data(dump_data);
597 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
598 dump_data->len = cpu_to_le32(IWL8260_ICCM_LEN +
599 sizeof(*dump_mem));
600 dump_mem = (void *)dump_data->data;
601 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
602 dump_mem->offset = cpu_to_le32(IWL8260_ICCM_OFFSET);
603 iwl_trans_read_mem_bytes(mvm->trans, IWL8260_ICCM_OFFSET,
604 dump_mem->data, IWL8260_ICCM_LEN);
605 }
606
607 /* Dump fw's virtual image */
608 if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) {
609 u32 i;
610
611 for (i = 1; i < mvm->num_of_paging_blk + 1; i++) {
612 struct iwl_fw_error_dump_paging *paging;
613 struct page *pages =
614 mvm->fw_paging_db[i].fw_paging_block;
615
616 dump_data = iwl_fw_error_next_data(dump_data);
617 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PAGING);
618 dump_data->len = cpu_to_le32(sizeof(*paging) +
619 PAGING_BLOCK_SIZE);
620 paging = (void *)dump_data->data;
621 paging->index = cpu_to_le32(i);
622 memcpy(paging->data, page_address(pages),
623 PAGING_BLOCK_SIZE);
624 }
625 }
626
627 dump_data = iwl_fw_error_next_data(dump_data);
628 iwl_dump_prph(mvm->trans, &dump_data);
629
630dump_trans_data:
631 fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans,
632 mvm->fw_dump_trig);
633 fw_error_dump->op_mode_len = file_len;
634 if (fw_error_dump->trans_ptr)
635 file_len += fw_error_dump->trans_ptr->len;
636 dump_file->file_len = cpu_to_le32(file_len);
637
638 dev_coredumpm(mvm->trans->dev, THIS_MODULE, fw_error_dump, 0,
639 GFP_KERNEL, iwl_mvm_read_coredump, iwl_mvm_free_coredump);
640
641 mvm->fw_dump_trig = NULL;
642 clear_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status);
643}
644
645struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert = {
646 .trig_desc = {
647 .type = cpu_to_le32(FW_DBG_TRIGGER_FW_ASSERT),
648 },
649};
650
651int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
652 struct iwl_mvm_dump_desc *desc,
653 struct iwl_fw_dbg_trigger_tlv *trigger)
654{
655 unsigned int delay = 0;
656
657 if (trigger)
658 delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay));
659
660 if (test_and_set_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status))
661 return -EBUSY;
662
663 if (WARN_ON(mvm->fw_dump_desc))
664 iwl_mvm_free_fw_dump_desc(mvm);
665
666 IWL_WARN(mvm, "Collecting data: trigger %d fired.\n",
667 le32_to_cpu(desc->trig_desc.type));
668
669 mvm->fw_dump_desc = desc;
670 mvm->fw_dump_trig = trigger;
671
672 queue_delayed_work(system_wq, &mvm->fw_dump_wk, delay);
673
674 return 0;
675}
676
677int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
678 const char *str, size_t len,
679 struct iwl_fw_dbg_trigger_tlv *trigger)
680{
681 struct iwl_mvm_dump_desc *desc;
682
683 desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC);
684 if (!desc)
685 return -ENOMEM;
686
687 desc->len = len;
688 desc->trig_desc.type = cpu_to_le32(trig);
689 memcpy(desc->trig_desc.data, str, len);
690
691 return iwl_mvm_fw_dbg_collect_desc(mvm, desc, trigger);
692}
693
694int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
695 struct iwl_fw_dbg_trigger_tlv *trigger,
696 const char *fmt, ...)
697{
698 u16 occurrences = le16_to_cpu(trigger->occurrences);
699 int ret, len = 0;
700 char buf[64];
701
702 if (!occurrences)
703 return 0;
704
705 if (fmt) {
706 va_list ap;
707
708 buf[sizeof(buf) - 1] = '\0';
709
710 va_start(ap, fmt);
711 vsnprintf(buf, sizeof(buf), fmt, ap);
712 va_end(ap);
713
714 /* check for truncation */
715 if (WARN_ON_ONCE(buf[sizeof(buf) - 1]))
716 buf[sizeof(buf) - 1] = '\0';
717
718 len = strlen(buf) + 1;
719 }
720
721 ret = iwl_mvm_fw_dbg_collect(mvm, le32_to_cpu(trigger->id), buf, len,
722 trigger);
723
724 if (ret)
725 return ret;
726
727 trigger->occurrences = cpu_to_le16(occurrences - 1);
728 return 0;
729}
730
731static inline void iwl_mvm_restart_early_start(struct iwl_mvm *mvm)
732{
733 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000)
734 iwl_clear_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100);
735 else
736 iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 1);
737}
738
739int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id)
740{
741 u8 *ptr;
742 int ret;
743 int i;
744
745 if (WARN_ONCE(conf_id >= ARRAY_SIZE(mvm->fw->dbg_conf_tlv),
746 "Invalid configuration %d\n", conf_id))
747 return -EINVAL;
748
749 /* EARLY START - firmware's configuration is hard coded */
750 if ((!mvm->fw->dbg_conf_tlv[conf_id] ||
751 !mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds) &&
752 conf_id == FW_DBG_START_FROM_ALIVE) {
753 iwl_mvm_restart_early_start(mvm);
754 return 0;
755 }
756
757 if (!mvm->fw->dbg_conf_tlv[conf_id])
758 return -EINVAL;
759
760 if (mvm->fw_dbg_conf != FW_DBG_INVALID)
761 IWL_WARN(mvm, "FW already configured (%d) - re-configuring\n",
762 mvm->fw_dbg_conf);
763
764 /* Send all HCMDs for configuring the FW debug */
765 ptr = (void *)&mvm->fw->dbg_conf_tlv[conf_id]->hcmd;
766 for (i = 0; i < mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds; i++) {
767 struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr;
768
769 ret = iwl_mvm_send_cmd_pdu(mvm, cmd->id, 0,
770 le16_to_cpu(cmd->len), cmd->data);
771 if (ret)
772 return ret;
773
774 ptr += sizeof(*cmd);
775 ptr += le16_to_cpu(cmd->len);
776 }
777
778 mvm->fw_dbg_conf = conf_id;
779 return ret;
780}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h
new file mode 100644
index 000000000000..32232d69ea44
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h
@@ -0,0 +1,150 @@
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) 2008 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2015 Intel Deutschland GmbH
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 * You should have received a copy of the GNU General Public License
22 * along with this program;
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
34 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
35 * Copyright(c) 2015 Intel Deutschland GmbH
36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 *
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
47 * distribution.
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *
64 *****************************************************************************/
65
66#ifndef __mvm_fw_dbg_h__
67#define __mvm_fw_dbg_h__
68#include "iwl-fw-file.h"
69#include "iwl-fw-error-dump.h"
70#include "mvm.h"
71
72void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
73void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
74int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
75 struct iwl_mvm_dump_desc *desc,
76 struct iwl_fw_dbg_trigger_tlv *trigger);
77int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
78 const char *str, size_t len,
79 struct iwl_fw_dbg_trigger_tlv *trigger);
80int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
81 struct iwl_fw_dbg_trigger_tlv *trigger,
82 const char *fmt, ...) __printf(3, 4);
83int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
84
85#define iwl_fw_dbg_trigger_enabled(fw, id) ({ \
86 void *__dbg_trigger = (fw)->dbg_trigger_tlv[(id)]; \
87 unlikely(__dbg_trigger); \
88})
89
90static inline struct iwl_fw_dbg_trigger_tlv*
91_iwl_fw_dbg_get_trigger(const struct iwl_fw *fw, enum iwl_fw_dbg_trigger id)
92{
93 return fw->dbg_trigger_tlv[id];
94}
95
96#define iwl_fw_dbg_get_trigger(fw, id) ({ \
97 BUILD_BUG_ON(!__builtin_constant_p(id)); \
98 BUILD_BUG_ON((id) >= FW_DBG_TRIGGER_MAX); \
99 _iwl_fw_dbg_get_trigger((fw), (id)); \
100})
101
102static inline bool
103iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
104 struct ieee80211_vif *vif)
105{
106 u32 trig_vif = le32_to_cpu(trig->vif_type);
107
108 return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
109}
110
111static inline bool
112iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
113 struct iwl_fw_dbg_trigger_tlv *trig)
114{
115 return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
116 (mvm->fw_dbg_conf == FW_DBG_INVALID ||
117 (BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
118}
119
120static inline bool
121iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
122 struct ieee80211_vif *vif,
123 struct iwl_fw_dbg_trigger_tlv *trig)
124{
125 if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
126 return false;
127
128 return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
129}
130
131static inline void
132_iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
133 struct ieee80211_vif *vif,
134 struct iwl_fw_dbg_trigger_tlv *trigger)
135{
136 if (!trigger)
137 return;
138
139 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
140 return;
141
142 iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL);
143}
144
145#define iwl_fw_dbg_trigger_simple_stop(mvm, vif, trig) \
146 _iwl_fw_dbg_trigger_simple_stop((mvm), (vif), \
147 iwl_fw_dbg_get_trigger((mvm)->fw,\
148 (trig)))
149
150#endif /* __mvm_fw_dbg_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index d906fa13ba97..05c933313f97 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -74,6 +74,7 @@
74#include "iwl-eeprom-parse.h" 74#include "iwl-eeprom-parse.h"
75 75
76#include "mvm.h" 76#include "mvm.h"
77#include "fw-dbg.h"
77#include "iwl-phy-db.h" 78#include "iwl-phy-db.h"
78 79
79#define MVM_UCODE_ALIVE_TIMEOUT HZ 80#define MVM_UCODE_ALIVE_TIMEOUT HZ
@@ -805,137 +806,6 @@ static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm)
805 iwl_free_resp(&cmd); 806 iwl_free_resp(&cmd);
806} 807}
807 808
808int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
809 struct iwl_mvm_dump_desc *desc,
810 struct iwl_fw_dbg_trigger_tlv *trigger)
811{
812 unsigned int delay = 0;
813
814 if (trigger)
815 delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay));
816
817 if (test_and_set_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status))
818 return -EBUSY;
819
820 if (WARN_ON(mvm->fw_dump_desc))
821 iwl_mvm_free_fw_dump_desc(mvm);
822
823 IWL_WARN(mvm, "Collecting data: trigger %d fired.\n",
824 le32_to_cpu(desc->trig_desc.type));
825
826 mvm->fw_dump_desc = desc;
827 mvm->fw_dump_trig = trigger;
828
829 queue_delayed_work(system_wq, &mvm->fw_dump_wk, delay);
830
831 return 0;
832}
833
834int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
835 const char *str, size_t len,
836 struct iwl_fw_dbg_trigger_tlv *trigger)
837{
838 struct iwl_mvm_dump_desc *desc;
839
840 desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC);
841 if (!desc)
842 return -ENOMEM;
843
844 desc->len = len;
845 desc->trig_desc.type = cpu_to_le32(trig);
846 memcpy(desc->trig_desc.data, str, len);
847
848 return iwl_mvm_fw_dbg_collect_desc(mvm, desc, trigger);
849}
850
851int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
852 struct iwl_fw_dbg_trigger_tlv *trigger,
853 const char *fmt, ...)
854{
855 u16 occurrences = le16_to_cpu(trigger->occurrences);
856 int ret, len = 0;
857 char buf[64];
858
859 if (!occurrences)
860 return 0;
861
862 if (fmt) {
863 va_list ap;
864
865 buf[sizeof(buf) - 1] = '\0';
866
867 va_start(ap, fmt);
868 vsnprintf(buf, sizeof(buf), fmt, ap);
869 va_end(ap);
870
871 /* check for truncation */
872 if (WARN_ON_ONCE(buf[sizeof(buf) - 1]))
873 buf[sizeof(buf) - 1] = '\0';
874
875 len = strlen(buf) + 1;
876 }
877
878 ret = iwl_mvm_fw_dbg_collect(mvm, le32_to_cpu(trigger->id), buf, len,
879 trigger);
880
881 if (ret)
882 return ret;
883
884 trigger->occurrences = cpu_to_le16(occurrences - 1);
885 return 0;
886}
887
888static inline void iwl_mvm_restart_early_start(struct iwl_mvm *mvm)
889{
890 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000)
891 iwl_clear_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100);
892 else
893 iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 1);
894}
895
896int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id)
897{
898 u8 *ptr;
899 int ret;
900 int i;
901
902 if (WARN_ONCE(conf_id >= ARRAY_SIZE(mvm->fw->dbg_conf_tlv),
903 "Invalid configuration %d\n", conf_id))
904 return -EINVAL;
905
906 /* EARLY START - firmware's configuration is hard coded */
907 if ((!mvm->fw->dbg_conf_tlv[conf_id] ||
908 !mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds) &&
909 conf_id == FW_DBG_START_FROM_ALIVE) {
910 iwl_mvm_restart_early_start(mvm);
911 return 0;
912 }
913
914 if (!mvm->fw->dbg_conf_tlv[conf_id])
915 return -EINVAL;
916
917 if (mvm->fw_dbg_conf != FW_DBG_INVALID)
918 IWL_WARN(mvm, "FW already configured (%d) - re-configuring\n",
919 mvm->fw_dbg_conf);
920
921 /* Send all HCMDs for configuring the FW debug */
922 ptr = (void *)&mvm->fw->dbg_conf_tlv[conf_id]->hcmd;
923 for (i = 0; i < mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds; i++) {
924 struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr;
925
926 ret = iwl_mvm_send_cmd_pdu(mvm, cmd->id, 0,
927 le16_to_cpu(cmd->len), cmd->data);
928 if (ret)
929 return ret;
930
931 ptr += sizeof(*cmd);
932 ptr += le16_to_cpu(cmd->len);
933 }
934
935 mvm->fw_dbg_conf = conf_id;
936 return ret;
937}
938
939static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) 809static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
940{ 810{
941 struct iwl_ltr_config_cmd cmd = { 811 struct iwl_ltr_config_cmd cmd = {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
index ad7ad720d2e7..ee511aae727d 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
@@ -72,6 +72,7 @@
72#include "fw-api.h" 72#include "fw-api.h"
73#include "mvm.h" 73#include "mvm.h"
74#include "time-event.h" 74#include "time-event.h"
75#include "fw-dbg.h"
75 76
76const u8 iwl_mvm_ac_to_tx_fifo[] = { 77const u8 iwl_mvm_ac_to_tx_fifo[] = {
77 IWL_MVM_TX_FIFO_VO, 78 IWL_MVM_TX_FIFO_VO,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index b83334f27b44..327703d5d4ba 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -70,6 +70,7 @@
70#include <linux/ip.h> 70#include <linux/ip.h>
71#include <linux/if_arp.h> 71#include <linux/if_arp.h>
72#include <linux/devcoredump.h> 72#include <linux/devcoredump.h>
73#include <linux/time.h>
73#include <net/mac80211.h> 74#include <net/mac80211.h>
74#include <net/ieee80211_radiotap.h> 75#include <net/ieee80211_radiotap.h>
75#include <net/tcp.h> 76#include <net/tcp.h>
@@ -86,6 +87,7 @@
86#include "iwl-prph.h" 87#include "iwl-prph.h"
87#include "iwl-csr.h" 88#include "iwl-csr.h"
88#include "iwl-nvm-parse.h" 89#include "iwl-nvm-parse.h"
90#include "fw-dbg.h"
89 91
90static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 92static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
91 { 93 {
@@ -939,584 +941,6 @@ static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
939 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 941 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
940} 942}
941 943
942static ssize_t iwl_mvm_read_coredump(char *buffer, loff_t offset, size_t count,
943 const void *data, size_t datalen)
944{
945 const struct iwl_mvm_dump_ptrs *dump_ptrs = data;
946 ssize_t bytes_read;
947 ssize_t bytes_read_trans;
948
949 if (offset < dump_ptrs->op_mode_len) {
950 bytes_read = min_t(ssize_t, count,
951 dump_ptrs->op_mode_len - offset);
952 memcpy(buffer, (u8 *)dump_ptrs->op_mode_ptr + offset,
953 bytes_read);
954 offset += bytes_read;
955 count -= bytes_read;
956
957 if (count == 0)
958 return bytes_read;
959 } else {
960 bytes_read = 0;
961 }
962
963 if (!dump_ptrs->trans_ptr)
964 return bytes_read;
965
966 offset -= dump_ptrs->op_mode_len;
967 bytes_read_trans = min_t(ssize_t, count,
968 dump_ptrs->trans_ptr->len - offset);
969 memcpy(buffer + bytes_read,
970 (u8 *)dump_ptrs->trans_ptr->data + offset,
971 bytes_read_trans);
972
973 return bytes_read + bytes_read_trans;
974}
975
976static void iwl_mvm_free_coredump(const void *data)
977{
978 const struct iwl_mvm_dump_ptrs *fw_error_dump = data;
979
980 vfree(fw_error_dump->op_mode_ptr);
981 vfree(fw_error_dump->trans_ptr);
982 kfree(fw_error_dump);
983}
984
985static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm,
986 struct iwl_fw_error_dump_data **dump_data)
987{
988 struct iwl_fw_error_dump_fifo *fifo_hdr;
989 u32 *fifo_data;
990 u32 fifo_len;
991 unsigned long flags;
992 int i, j;
993
994 if (!iwl_trans_grab_nic_access(mvm->trans, false, &flags))
995 return;
996
997 /* Pull RXF data from all RXFs */
998 for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++) {
999 /*
1000 * Keep aside the additional offset that might be needed for
1001 * next RXF
1002 */
1003 u32 offset_diff = RXF_DIFF_FROM_PREV * i;
1004
1005 fifo_hdr = (void *)(*dump_data)->data;
1006 fifo_data = (void *)fifo_hdr->data;
1007 fifo_len = mvm->shared_mem_cfg.rxfifo_size[i];
1008
1009 /* No need to try to read the data if the length is 0 */
1010 if (fifo_len == 0)
1011 continue;
1012
1013 /* Add a TLV for the RXF */
1014 (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF);
1015 (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr));
1016
1017 fifo_hdr->fifo_num = cpu_to_le32(i);
1018 fifo_hdr->available_bytes =
1019 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
1020 RXF_RD_D_SPACE +
1021 offset_diff));
1022 fifo_hdr->wr_ptr =
1023 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
1024 RXF_RD_WR_PTR +
1025 offset_diff));
1026 fifo_hdr->rd_ptr =
1027 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
1028 RXF_RD_RD_PTR +
1029 offset_diff));
1030 fifo_hdr->fence_ptr =
1031 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
1032 RXF_RD_FENCE_PTR +
1033 offset_diff));
1034 fifo_hdr->fence_mode =
1035 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
1036 RXF_SET_FENCE_MODE +
1037 offset_diff));
1038
1039 /* Lock fence */
1040 iwl_trans_write_prph(mvm->trans,
1041 RXF_SET_FENCE_MODE + offset_diff, 0x1);
1042 /* Set fence pointer to the same place like WR pointer */
1043 iwl_trans_write_prph(mvm->trans,
1044 RXF_LD_WR2FENCE + offset_diff, 0x1);
1045 /* Set fence offset */
1046 iwl_trans_write_prph(mvm->trans,
1047 RXF_LD_FENCE_OFFSET_ADDR + offset_diff,
1048 0x0);
1049
1050 /* Read FIFO */
1051 fifo_len /= sizeof(u32); /* Size in DWORDS */
1052 for (j = 0; j < fifo_len; j++)
1053 fifo_data[j] = iwl_trans_read_prph(mvm->trans,
1054 RXF_FIFO_RD_FENCE_INC +
1055 offset_diff);
1056 *dump_data = iwl_fw_error_next_data(*dump_data);
1057 }
1058
1059 /* Pull TXF data from all TXFs */
1060 for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size); i++) {
1061 /* Mark the number of TXF we're pulling now */
1062 iwl_trans_write_prph(mvm->trans, TXF_LARC_NUM, i);
1063
1064 fifo_hdr = (void *)(*dump_data)->data;
1065 fifo_data = (void *)fifo_hdr->data;
1066 fifo_len = mvm->shared_mem_cfg.txfifo_size[i];
1067
1068 /* No need to try to read the data if the length is 0 */
1069 if (fifo_len == 0)
1070 continue;
1071
1072 /* Add a TLV for the FIFO */
1073 (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_TXF);
1074 (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr));
1075
1076 fifo_hdr->fifo_num = cpu_to_le32(i);
1077 fifo_hdr->available_bytes =
1078 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
1079 TXF_FIFO_ITEM_CNT));
1080 fifo_hdr->wr_ptr =
1081 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
1082 TXF_WR_PTR));
1083 fifo_hdr->rd_ptr =
1084 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
1085 TXF_RD_PTR));
1086 fifo_hdr->fence_ptr =
1087 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
1088 TXF_FENCE_PTR));
1089 fifo_hdr->fence_mode =
1090 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
1091 TXF_LOCK_FENCE));
1092
1093 /* Set the TXF_READ_MODIFY_ADDR to TXF_WR_PTR */
1094 iwl_trans_write_prph(mvm->trans, TXF_READ_MODIFY_ADDR,
1095 TXF_WR_PTR);
1096
1097 /* Dummy-read to advance the read pointer to the head */
1098 iwl_trans_read_prph(mvm->trans, TXF_READ_MODIFY_DATA);
1099
1100 /* Read FIFO */
1101 fifo_len /= sizeof(u32); /* Size in DWORDS */
1102 for (j = 0; j < fifo_len; j++)
1103 fifo_data[j] = iwl_trans_read_prph(mvm->trans,
1104 TXF_READ_MODIFY_DATA);
1105 *dump_data = iwl_fw_error_next_data(*dump_data);
1106 }
1107
1108 iwl_trans_release_nic_access(mvm->trans, &flags);
1109}
1110
1111void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm)
1112{
1113 if (mvm->fw_dump_desc == &iwl_mvm_dump_desc_assert ||
1114 !mvm->fw_dump_desc)
1115 return;
1116
1117 kfree(mvm->fw_dump_desc);
1118 mvm->fw_dump_desc = NULL;
1119}
1120
1121#define IWL8260_ICCM_OFFSET 0x44000 /* Only for B-step */
1122#define IWL8260_ICCM_LEN 0xC000 /* Only for B-step */
1123
1124static const struct {
1125 u32 start, end;
1126} iwl_prph_dump_addr[] = {
1127 { .start = 0x00a00000, .end = 0x00a00000 },
1128 { .start = 0x00a0000c, .end = 0x00a00024 },
1129 { .start = 0x00a0002c, .end = 0x00a0003c },
1130 { .start = 0x00a00410, .end = 0x00a00418 },
1131 { .start = 0x00a00420, .end = 0x00a00420 },
1132 { .start = 0x00a00428, .end = 0x00a00428 },
1133 { .start = 0x00a00430, .end = 0x00a0043c },
1134 { .start = 0x00a00444, .end = 0x00a00444 },
1135 { .start = 0x00a004c0, .end = 0x00a004cc },
1136 { .start = 0x00a004d8, .end = 0x00a004d8 },
1137 { .start = 0x00a004e0, .end = 0x00a004f0 },
1138 { .start = 0x00a00840, .end = 0x00a00840 },
1139 { .start = 0x00a00850, .end = 0x00a00858 },
1140 { .start = 0x00a01004, .end = 0x00a01008 },
1141 { .start = 0x00a01010, .end = 0x00a01010 },
1142 { .start = 0x00a01018, .end = 0x00a01018 },
1143 { .start = 0x00a01024, .end = 0x00a01024 },
1144 { .start = 0x00a0102c, .end = 0x00a01034 },
1145 { .start = 0x00a0103c, .end = 0x00a01040 },
1146 { .start = 0x00a01048, .end = 0x00a01094 },
1147 { .start = 0x00a01c00, .end = 0x00a01c20 },
1148 { .start = 0x00a01c58, .end = 0x00a01c58 },
1149 { .start = 0x00a01c7c, .end = 0x00a01c7c },
1150 { .start = 0x00a01c28, .end = 0x00a01c54 },
1151 { .start = 0x00a01c5c, .end = 0x00a01c5c },
1152 { .start = 0x00a01c60, .end = 0x00a01cdc },
1153 { .start = 0x00a01ce0, .end = 0x00a01d0c },
1154 { .start = 0x00a01d18, .end = 0x00a01d20 },
1155 { .start = 0x00a01d2c, .end = 0x00a01d30 },
1156 { .start = 0x00a01d40, .end = 0x00a01d5c },
1157 { .start = 0x00a01d80, .end = 0x00a01d80 },
1158 { .start = 0x00a01d98, .end = 0x00a01d9c },
1159 { .start = 0x00a01da8, .end = 0x00a01da8 },
1160 { .start = 0x00a01db8, .end = 0x00a01df4 },
1161 { .start = 0x00a01dc0, .end = 0x00a01dfc },
1162 { .start = 0x00a01e00, .end = 0x00a01e2c },
1163 { .start = 0x00a01e40, .end = 0x00a01e60 },
1164 { .start = 0x00a01e68, .end = 0x00a01e6c },
1165 { .start = 0x00a01e74, .end = 0x00a01e74 },
1166 { .start = 0x00a01e84, .end = 0x00a01e90 },
1167 { .start = 0x00a01e9c, .end = 0x00a01ec4 },
1168 { .start = 0x00a01ed0, .end = 0x00a01ee0 },
1169 { .start = 0x00a01f00, .end = 0x00a01f1c },
1170 { .start = 0x00a01f44, .end = 0x00a01ffc },
1171 { .start = 0x00a02000, .end = 0x00a02048 },
1172 { .start = 0x00a02068, .end = 0x00a020f0 },
1173 { .start = 0x00a02100, .end = 0x00a02118 },
1174 { .start = 0x00a02140, .end = 0x00a0214c },
1175 { .start = 0x00a02168, .end = 0x00a0218c },
1176 { .start = 0x00a021c0, .end = 0x00a021c0 },
1177 { .start = 0x00a02400, .end = 0x00a02410 },
1178 { .start = 0x00a02418, .end = 0x00a02420 },
1179 { .start = 0x00a02428, .end = 0x00a0242c },
1180 { .start = 0x00a02434, .end = 0x00a02434 },
1181 { .start = 0x00a02440, .end = 0x00a02460 },
1182 { .start = 0x00a02468, .end = 0x00a024b0 },
1183 { .start = 0x00a024c8, .end = 0x00a024cc },
1184 { .start = 0x00a02500, .end = 0x00a02504 },
1185 { .start = 0x00a0250c, .end = 0x00a02510 },
1186 { .start = 0x00a02540, .end = 0x00a02554 },
1187 { .start = 0x00a02580, .end = 0x00a025f4 },
1188 { .start = 0x00a02600, .end = 0x00a0260c },
1189 { .start = 0x00a02648, .end = 0x00a02650 },
1190 { .start = 0x00a02680, .end = 0x00a02680 },
1191 { .start = 0x00a026c0, .end = 0x00a026d0 },
1192 { .start = 0x00a02700, .end = 0x00a0270c },
1193 { .start = 0x00a02804, .end = 0x00a02804 },
1194 { .start = 0x00a02818, .end = 0x00a0281c },
1195 { .start = 0x00a02c00, .end = 0x00a02db4 },
1196 { .start = 0x00a02df4, .end = 0x00a02fb0 },
1197 { .start = 0x00a03000, .end = 0x00a03014 },
1198 { .start = 0x00a0301c, .end = 0x00a0302c },
1199 { .start = 0x00a03034, .end = 0x00a03038 },
1200 { .start = 0x00a03040, .end = 0x00a03048 },
1201 { .start = 0x00a03060, .end = 0x00a03068 },
1202 { .start = 0x00a03070, .end = 0x00a03074 },
1203 { .start = 0x00a0307c, .end = 0x00a0307c },
1204 { .start = 0x00a03080, .end = 0x00a03084 },
1205 { .start = 0x00a0308c, .end = 0x00a03090 },
1206 { .start = 0x00a03098, .end = 0x00a03098 },
1207 { .start = 0x00a030a0, .end = 0x00a030a0 },
1208 { .start = 0x00a030a8, .end = 0x00a030b4 },
1209 { .start = 0x00a030bc, .end = 0x00a030bc },
1210 { .start = 0x00a030c0, .end = 0x00a0312c },
1211 { .start = 0x00a03c00, .end = 0x00a03c5c },
1212 { .start = 0x00a04400, .end = 0x00a04454 },
1213 { .start = 0x00a04460, .end = 0x00a04474 },
1214 { .start = 0x00a044c0, .end = 0x00a044ec },
1215 { .start = 0x00a04500, .end = 0x00a04504 },
1216 { .start = 0x00a04510, .end = 0x00a04538 },
1217 { .start = 0x00a04540, .end = 0x00a04548 },
1218 { .start = 0x00a04560, .end = 0x00a0457c },
1219 { .start = 0x00a04590, .end = 0x00a04598 },
1220 { .start = 0x00a045c0, .end = 0x00a045f4 },
1221};
1222
1223static u32 iwl_dump_prph(struct iwl_trans *trans,
1224 struct iwl_fw_error_dump_data **data)
1225{
1226 struct iwl_fw_error_dump_prph *prph;
1227 unsigned long flags;
1228 u32 prph_len = 0, i;
1229
1230 if (!iwl_trans_grab_nic_access(trans, false, &flags))
1231 return 0;
1232
1233 for (i = 0; i < ARRAY_SIZE(iwl_prph_dump_addr); i++) {
1234 /* The range includes both boundaries */
1235 int num_bytes_in_chunk = iwl_prph_dump_addr[i].end -
1236 iwl_prph_dump_addr[i].start + 4;
1237 int reg;
1238 __le32 *val;
1239
1240 prph_len += sizeof(**data) + sizeof(*prph) + num_bytes_in_chunk;
1241
1242 (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PRPH);
1243 (*data)->len = cpu_to_le32(sizeof(*prph) +
1244 num_bytes_in_chunk);
1245 prph = (void *)(*data)->data;
1246 prph->prph_start = cpu_to_le32(iwl_prph_dump_addr[i].start);
1247 val = (void *)prph->data;
1248
1249 for (reg = iwl_prph_dump_addr[i].start;
1250 reg <= iwl_prph_dump_addr[i].end;
1251 reg += 4)
1252 *val++ = cpu_to_le32(iwl_read_prph_no_grab(trans,
1253 reg));
1254
1255 *data = iwl_fw_error_next_data(*data);
1256 }
1257
1258 iwl_trans_release_nic_access(trans, &flags);
1259
1260 return prph_len;
1261}
1262
1263void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
1264{
1265 struct iwl_fw_error_dump_file *dump_file;
1266 struct iwl_fw_error_dump_data *dump_data;
1267 struct iwl_fw_error_dump_info *dump_info;
1268 struct iwl_fw_error_dump_mem *dump_mem;
1269 struct iwl_fw_error_dump_trigger_desc *dump_trig;
1270 struct iwl_mvm_dump_ptrs *fw_error_dump;
1271 u32 sram_len, sram_ofs;
1272 u32 file_len, fifo_data_len = 0;
1273 u32 smem_len = mvm->cfg->smem_len;
1274 u32 sram2_len = mvm->cfg->dccm2_len;
1275 bool monitor_dump_only = false;
1276 int i;
1277
1278 lockdep_assert_held(&mvm->mutex);
1279
1280 /* there's no point in fw dump if the bus is dead */
1281 if (test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
1282 IWL_ERR(mvm, "Skip fw error dump since bus is dead\n");
1283 return;
1284 }
1285
1286 if (mvm->fw_dump_trig &&
1287 mvm->fw_dump_trig->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY)
1288 monitor_dump_only = true;
1289
1290 fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL);
1291 if (!fw_error_dump)
1292 return;
1293
1294 /* SRAM - include stack CCM if driver knows the values for it */
1295 if (!mvm->cfg->dccm_offset || !mvm->cfg->dccm_len) {
1296 const struct fw_img *img;
1297
1298 img = &mvm->fw->img[mvm->cur_ucode];
1299 sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
1300 sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
1301 } else {
1302 sram_ofs = mvm->cfg->dccm_offset;
1303 sram_len = mvm->cfg->dccm_len;
1304 }
1305
1306 /* reading RXF/TXF sizes */
1307 if (test_bit(STATUS_FW_ERROR, &mvm->trans->status)) {
1308 struct iwl_mvm_shared_mem_cfg *mem_cfg = &mvm->shared_mem_cfg;
1309
1310 fifo_data_len = 0;
1311
1312 /* Count RXF size */
1313 for (i = 0; i < ARRAY_SIZE(mem_cfg->rxfifo_size); i++) {
1314 if (!mem_cfg->rxfifo_size[i])
1315 continue;
1316
1317 /* Add header info */
1318 fifo_data_len += mem_cfg->rxfifo_size[i] +
1319 sizeof(*dump_data) +
1320 sizeof(struct iwl_fw_error_dump_fifo);
1321 }
1322
1323 for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++) {
1324 if (!mem_cfg->txfifo_size[i])
1325 continue;
1326
1327 /* Add header info */
1328 fifo_data_len += mem_cfg->txfifo_size[i] +
1329 sizeof(*dump_data) +
1330 sizeof(struct iwl_fw_error_dump_fifo);
1331 }
1332 }
1333
1334 file_len = sizeof(*dump_file) +
1335 sizeof(*dump_data) * 2 +
1336 sram_len + sizeof(*dump_mem) +
1337 fifo_data_len +
1338 sizeof(*dump_info);
1339
1340 /* Make room for the SMEM, if it exists */
1341 if (smem_len)
1342 file_len += sizeof(*dump_data) + sizeof(*dump_mem) + smem_len;
1343
1344 /* Make room for the secondary SRAM, if it exists */
1345 if (sram2_len)
1346 file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len;
1347
1348 /* Make room for fw's virtual image pages, if it exists */
1349 if (mvm->fw->img[mvm->cur_ucode].paging_mem_size)
1350 file_len += mvm->num_of_paging_blk *
1351 (sizeof(*dump_data) +
1352 sizeof(struct iwl_fw_error_dump_paging) +
1353 PAGING_BLOCK_SIZE);
1354
1355 /* If we only want a monitor dump, reset the file length */
1356 if (monitor_dump_only) {
1357 file_len = sizeof(*dump_file) + sizeof(*dump_data) +
1358 sizeof(*dump_info);
1359 }
1360
1361 /* Make room for PRPH registers */
1362 for (i = 0; i < ARRAY_SIZE(iwl_prph_dump_addr); i++) {
1363 /* The range includes both boundaries */
1364 int num_bytes_in_chunk = iwl_prph_dump_addr[i].end -
1365 iwl_prph_dump_addr[i].start + 4;
1366
1367 file_len += sizeof(*dump_data) +
1368 sizeof(struct iwl_fw_error_dump_prph) +
1369 num_bytes_in_chunk;
1370 }
1371
1372 /*
1373 * In 8000 HW family B-step include the ICCM (which resides separately)
1374 */
1375 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000 &&
1376 CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_B_STEP)
1377 file_len += sizeof(*dump_data) + sizeof(*dump_mem) +
1378 IWL8260_ICCM_LEN;
1379
1380 if (mvm->fw_dump_desc)
1381 file_len += sizeof(*dump_data) + sizeof(*dump_trig) +
1382 mvm->fw_dump_desc->len;
1383
1384 dump_file = vzalloc(file_len);
1385 if (!dump_file) {
1386 kfree(fw_error_dump);
1387 iwl_mvm_free_fw_dump_desc(mvm);
1388 return;
1389 }
1390
1391 fw_error_dump->op_mode_ptr = dump_file;
1392
1393 dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
1394 dump_data = (void *)dump_file->data;
1395
1396 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
1397 dump_data->len = cpu_to_le32(sizeof(*dump_info));
1398 dump_info = (void *) dump_data->data;
1399 dump_info->device_family =
1400 mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ?
1401 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) :
1402 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8);
1403 dump_info->hw_step = cpu_to_le32(CSR_HW_REV_STEP(mvm->trans->hw_rev));
1404 memcpy(dump_info->fw_human_readable, mvm->fw->human_readable,
1405 sizeof(dump_info->fw_human_readable));
1406 strncpy(dump_info->dev_human_readable, mvm->cfg->name,
1407 sizeof(dump_info->dev_human_readable));
1408 strncpy(dump_info->bus_human_readable, mvm->dev->bus->name,
1409 sizeof(dump_info->bus_human_readable));
1410
1411 dump_data = iwl_fw_error_next_data(dump_data);
1412 /* We only dump the FIFOs if the FW is in error state */
1413 if (test_bit(STATUS_FW_ERROR, &mvm->trans->status))
1414 iwl_mvm_dump_fifos(mvm, &dump_data);
1415
1416 if (mvm->fw_dump_desc) {
1417 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO);
1418 dump_data->len = cpu_to_le32(sizeof(*dump_trig) +
1419 mvm->fw_dump_desc->len);
1420 dump_trig = (void *)dump_data->data;
1421 memcpy(dump_trig, &mvm->fw_dump_desc->trig_desc,
1422 sizeof(*dump_trig) + mvm->fw_dump_desc->len);
1423
1424 /* now we can free this copy */
1425 iwl_mvm_free_fw_dump_desc(mvm);
1426 dump_data = iwl_fw_error_next_data(dump_data);
1427 }
1428
1429 /* In case we only want monitor dump, skip to dump trasport data */
1430 if (monitor_dump_only)
1431 goto dump_trans_data;
1432
1433 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
1434 dump_data->len = cpu_to_le32(sram_len + sizeof(*dump_mem));
1435 dump_mem = (void *)dump_data->data;
1436 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
1437 dump_mem->offset = cpu_to_le32(sram_ofs);
1438 iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_mem->data,
1439 sram_len);
1440
1441 if (smem_len) {
1442 dump_data = iwl_fw_error_next_data(dump_data);
1443 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
1444 dump_data->len = cpu_to_le32(smem_len + sizeof(*dump_mem));
1445 dump_mem = (void *)dump_data->data;
1446 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SMEM);
1447 dump_mem->offset = cpu_to_le32(mvm->cfg->smem_offset);
1448 iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->smem_offset,
1449 dump_mem->data, smem_len);
1450 }
1451
1452 if (sram2_len) {
1453 dump_data = iwl_fw_error_next_data(dump_data);
1454 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
1455 dump_data->len = cpu_to_le32(sram2_len + sizeof(*dump_mem));
1456 dump_mem = (void *)dump_data->data;
1457 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
1458 dump_mem->offset = cpu_to_le32(mvm->cfg->dccm2_offset);
1459 iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->dccm2_offset,
1460 dump_mem->data, sram2_len);
1461 }
1462
1463 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000 &&
1464 CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_B_STEP) {
1465 dump_data = iwl_fw_error_next_data(dump_data);
1466 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
1467 dump_data->len = cpu_to_le32(IWL8260_ICCM_LEN +
1468 sizeof(*dump_mem));
1469 dump_mem = (void *)dump_data->data;
1470 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
1471 dump_mem->offset = cpu_to_le32(IWL8260_ICCM_OFFSET);
1472 iwl_trans_read_mem_bytes(mvm->trans, IWL8260_ICCM_OFFSET,
1473 dump_mem->data, IWL8260_ICCM_LEN);
1474 }
1475
1476 /* Dump fw's virtual image */
1477 if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) {
1478 u32 i;
1479
1480 for (i = 1; i < mvm->num_of_paging_blk + 1; i++) {
1481 struct iwl_fw_error_dump_paging *paging;
1482 struct page *pages =
1483 mvm->fw_paging_db[i].fw_paging_block;
1484
1485 dump_data = iwl_fw_error_next_data(dump_data);
1486 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PAGING);
1487 dump_data->len = cpu_to_le32(sizeof(*paging) +
1488 PAGING_BLOCK_SIZE);
1489 paging = (void *)dump_data->data;
1490 paging->index = cpu_to_le32(i);
1491 memcpy(paging->data, page_address(pages),
1492 PAGING_BLOCK_SIZE);
1493 }
1494 }
1495
1496 dump_data = iwl_fw_error_next_data(dump_data);
1497 iwl_dump_prph(mvm->trans, &dump_data);
1498
1499dump_trans_data:
1500 fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans,
1501 mvm->fw_dump_trig);
1502 fw_error_dump->op_mode_len = file_len;
1503 if (fw_error_dump->trans_ptr)
1504 file_len += fw_error_dump->trans_ptr->len;
1505 dump_file->file_len = cpu_to_le32(file_len);
1506
1507 dev_coredumpm(mvm->trans->dev, THIS_MODULE, fw_error_dump, 0,
1508 GFP_KERNEL, iwl_mvm_read_coredump, iwl_mvm_free_coredump);
1509
1510 mvm->fw_dump_trig = NULL;
1511 clear_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status);
1512}
1513
1514struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert = {
1515 .trig_desc = {
1516 .type = cpu_to_le32(FW_DBG_TRIGGER_FW_ASSERT),
1517 },
1518};
1519
1520static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 944static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
1521{ 945{
1522 /* clear the D3 reconfig, we only need it to avoid dumping a 946 /* clear the D3 reconfig, we only need it to avoid dumping a
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 013b37920048..5692856d3e42 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -1480,69 +1480,10 @@ void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1480struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm); 1480struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1481 1481
1482void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error); 1482void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1483void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1484
1485int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
1486int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
1487 const char *str, size_t len,
1488 struct iwl_fw_dbg_trigger_tlv *trigger);
1489int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
1490 struct iwl_mvm_dump_desc *desc,
1491 struct iwl_fw_dbg_trigger_tlv *trigger);
1492void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
1493int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
1494 struct iwl_fw_dbg_trigger_tlv *trigger,
1495 const char *fmt, ...) __printf(3, 4);
1496unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm, 1483unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1497 struct ieee80211_vif *vif, 1484 struct ieee80211_vif *vif,
1498 bool tdls, bool cmd_q); 1485 bool tdls, bool cmd_q);
1499void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1486void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1500 const char *errmsg); 1487 const char *errmsg);
1501static inline bool
1502iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
1503 struct ieee80211_vif *vif)
1504{
1505 u32 trig_vif = le32_to_cpu(trig->vif_type);
1506
1507 return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
1508}
1509
1510static inline bool
1511iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
1512 struct iwl_fw_dbg_trigger_tlv *trig)
1513{
1514 return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
1515 (mvm->fw_dbg_conf == FW_DBG_INVALID ||
1516 (BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
1517}
1518
1519static inline bool
1520iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
1521 struct ieee80211_vif *vif,
1522 struct iwl_fw_dbg_trigger_tlv *trig)
1523{
1524 if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
1525 return false;
1526
1527 return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
1528}
1529
1530static inline void
1531_iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
1532 struct ieee80211_vif *vif,
1533 struct iwl_fw_dbg_trigger_tlv *trigger)
1534{
1535 if (!trigger)
1536 return;
1537
1538 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
1539 return;
1540
1541 iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL);
1542}
1543#define iwl_fw_dbg_trigger_simple_stop(mvm, vif, trig) \
1544 _iwl_fw_dbg_trigger_simple_stop((mvm), (vif), \
1545 iwl_fw_dbg_get_trigger((mvm)->fw,\
1546 (trig)))
1547 1488
1548#endif /* __IWL_MVM_H__ */ 1489#endif /* __IWL_MVM_H__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index f002e558fc13..f96ed5577c5e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -82,6 +82,7 @@
82#include "rs.h" 82#include "rs.h"
83#include "fw-api-scan.h" 83#include "fw-api-scan.h"
84#include "time-event.h" 84#include "time-event.h"
85#include "fw-dbg.h"
85 86
86#define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux" 87#define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
87MODULE_DESCRIPTION(DRV_DESCRIPTION); 88MODULE_DESCRIPTION(DRV_DESCRIPTION);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
index 5b58f5320e8d..d1d50ffb1459 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
@@ -65,6 +65,7 @@
65#include "iwl-trans.h" 65#include "iwl-trans.h"
66#include "mvm.h" 66#include "mvm.h"
67#include "fw-api.h" 67#include "fw-api.h"
68#include "fw-dbg.h"
68 69
69/* 70/*
70 * iwl_mvm_rx_rx_phy_cmd - REPLY_RX_PHY_CMD handler 71 * iwl_mvm_rx_rx_phy_cmd - REPLY_RX_PHY_CMD handler
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
index 7530eb23035d..52692dfee47a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
@@ -73,6 +73,7 @@
73#include "mvm.h" 73#include "mvm.h"
74#include "iwl-io.h" 74#include "iwl-io.h"
75#include "iwl-prph.h" 75#include "iwl-prph.h"
76#include "fw-dbg.h"
76 77
77/* 78/*
78 * For the high priority TE use a time event type that has similar priority to 79 * For the high priority TE use a time event type that has similar priority to
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index c652a66be803..aaebb5d4462a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -69,6 +69,7 @@
69#include "iwl-eeprom-parse.h" 69#include "iwl-eeprom-parse.h"
70#include "mvm.h" 70#include "mvm.h"
71#include "sta.h" 71#include "sta.h"
72#include "fw-dbg.h"
72 73
73static void 74static void
74iwl_mvm_bar_check_trigger(struct iwl_mvm *mvm, const u8 *addr, 75iwl_mvm_bar_check_trigger(struct iwl_mvm *mvm, const u8 *addr,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
index ad0f16909e2e..bbb7f6b27f5e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
@@ -68,7 +68,7 @@
68#include "iwl-debug.h" 68#include "iwl-debug.h"
69#include "iwl-io.h" 69#include "iwl-io.h"
70#include "iwl-prph.h" 70#include "iwl-prph.h"
71 71#include "fw-dbg.h"
72#include "mvm.h" 72#include "mvm.h"
73#include "fw-api-rs.h" 73#include "fw-api-rs.h"
74 74
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-28 04:08:08 -0400