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4613e72d CK |
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 | * | |
4e318262 | 8 | * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. |
4613e72d CK |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
25 | * in the file called LICENSE.GPL. | |
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 | * | |
4e318262 | 33 | * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. |
4613e72d CK |
34 | * All rights reserved. |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | * | |
62 | *****************************************************************************/ | |
63 | #include <linux/init.h> | |
64 | #include <linux/kernel.h> | |
65 | #include <linux/module.h> | |
522376d2 | 66 | #include <linux/dma-mapping.h> |
4613e72d CK |
67 | #include <net/net_namespace.h> |
68 | #include <linux/netdevice.h> | |
69 | #include <net/cfg80211.h> | |
70 | #include <net/mac80211.h> | |
71 | #include <net/netlink.h> | |
72 | ||
4613e72d CK |
73 | #include "iwl-dev.h" |
74 | #include "iwl-core.h" | |
75 | #include "iwl-debug.h" | |
4613e72d CK |
76 | #include "iwl-io.h" |
77 | #include "iwl-agn.h" | |
78 | #include "iwl-testmode.h" | |
bdfbf092 | 79 | #include "iwl-trans.h" |
6fe7dd0d | 80 | #include "iwl-fh.h" |
4613e72d | 81 | |
6c55f5ed AB |
82 | |
83 | /* Periphery registers absolute lower bound. This is used in order to | |
84 | * differentiate registery access through HBUS_TARG_PRPH_* and | |
85 | * HBUS_TARG_MEM_* accesses. | |
86 | */ | |
87 | #define IWL_TM_ABS_PRPH_START (0xA00000) | |
88 | ||
4613e72d CK |
89 | /* The TLVs used in the gnl message policy between the kernel module and |
90 | * user space application. iwl_testmode_gnl_msg_policy is to be carried | |
91 | * through the NL80211_CMD_TESTMODE channel regulated by nl80211. | |
92 | * See iwl-testmode.h | |
93 | */ | |
94 | static | |
95 | struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = { | |
96 | [IWL_TM_ATTR_COMMAND] = { .type = NLA_U32, }, | |
97 | ||
98 | [IWL_TM_ATTR_UCODE_CMD_ID] = { .type = NLA_U8, }, | |
99 | [IWL_TM_ATTR_UCODE_CMD_DATA] = { .type = NLA_UNSPEC, }, | |
100 | ||
101 | [IWL_TM_ATTR_REG_OFFSET] = { .type = NLA_U32, }, | |
102 | [IWL_TM_ATTR_REG_VALUE8] = { .type = NLA_U8, }, | |
103 | [IWL_TM_ATTR_REG_VALUE32] = { .type = NLA_U32, }, | |
104 | ||
105 | [IWL_TM_ATTR_SYNC_RSP] = { .type = NLA_UNSPEC, }, | |
106 | [IWL_TM_ATTR_UCODE_RX_PKT] = { .type = NLA_UNSPEC, }, | |
7a4e5281 | 107 | |
4babc358 WYG |
108 | [IWL_TM_ATTR_EEPROM] = { .type = NLA_UNSPEC, }, |
109 | ||
7a4e5281 | 110 | [IWL_TM_ATTR_TRACE_ADDR] = { .type = NLA_UNSPEC, }, |
eb64dca0 | 111 | [IWL_TM_ATTR_TRACE_DUMP] = { .type = NLA_UNSPEC, }, |
49b72100 | 112 | [IWL_TM_ATTR_TRACE_SIZE] = { .type = NLA_U32, }, |
7a4e5281 | 113 | |
6489854b | 114 | [IWL_TM_ATTR_FIXRATE] = { .type = NLA_U32, }, |
49b72100 | 115 | |
e98a1939 | 116 | [IWL_TM_ATTR_UCODE_OWNER] = { .type = NLA_U8, }, |
306713fd | 117 | |
6c55f5ed AB |
118 | [IWL_TM_ATTR_MEM_ADDR] = { .type = NLA_U32, }, |
119 | [IWL_TM_ATTR_BUFFER_SIZE] = { .type = NLA_U32, }, | |
120 | [IWL_TM_ATTR_BUFFER_DUMP] = { .type = NLA_UNSPEC, }, | |
e1a38fe1 HK |
121 | |
122 | [IWL_TM_ATTR_FW_VERSION] = { .type = NLA_U32, }, | |
0bec12b8 | 123 | [IWL_TM_ATTR_DEVICE_ID] = { .type = NLA_U32, }, |
aca9b5f3 KH |
124 | [IWL_TM_ATTR_FW_TYPE] = { .type = NLA_U32, }, |
125 | [IWL_TM_ATTR_FW_INST_SIZE] = { .type = NLA_U32, }, | |
126 | [IWL_TM_ATTR_FW_DATA_SIZE] = { .type = NLA_U32, }, | |
4613e72d CK |
127 | }; |
128 | ||
129 | /* | |
130 | * See the struct iwl_rx_packet in iwl-commands.h for the format of the | |
131 | * received events from the device | |
132 | */ | |
48a2d66f | 133 | static inline int get_event_length(struct iwl_rx_cmd_buffer *rxb) |
4613e72d CK |
134 | { |
135 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
136 | if (pkt) | |
137 | return le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; | |
138 | else | |
139 | return 0; | |
140 | } | |
141 | ||
142 | ||
143 | /* | |
144 | * This function multicasts the spontaneous messages from the device to the | |
145 | * user space. It is invoked whenever there is a received messages | |
146 | * from the device. This function is called within the ISR of the rx handlers | |
147 | * in iwlagn driver. | |
148 | * | |
149 | * The parsing of the message content is left to the user space application, | |
150 | * The message content is treated as unattacked raw data and is encapsulated | |
151 | * with IWL_TM_ATTR_UCODE_RX_PKT multicasting to the user space. | |
152 | * | |
153 | * @priv: the instance of iwlwifi device | |
154 | * @rxb: pointer to rx data content received by the ISR | |
155 | * | |
156 | * See the message policies and TLVs in iwl_testmode_gnl_msg_policy[]. | |
157 | * For the messages multicasting to the user application, the mandatory | |
158 | * TLV fields are : | |
159 | * IWL_TM_ATTR_COMMAND must be IWL_TM_CMD_DEV2APP_UCODE_RX_PKT | |
160 | * IWL_TM_ATTR_UCODE_RX_PKT for carrying the message content | |
161 | */ | |
162 | ||
163 | static void iwl_testmode_ucode_rx_pkt(struct iwl_priv *priv, | |
48a2d66f | 164 | struct iwl_rx_cmd_buffer *rxb) |
4613e72d CK |
165 | { |
166 | struct ieee80211_hw *hw = priv->hw; | |
167 | struct sk_buff *skb; | |
168 | void *data; | |
169 | int length; | |
170 | ||
171 | data = (void *)rxb_addr(rxb); | |
172 | length = get_event_length(rxb); | |
173 | ||
174 | if (!data || length == 0) | |
175 | return; | |
176 | ||
177 | skb = cfg80211_testmode_alloc_event_skb(hw->wiphy, 20 + length, | |
178 | GFP_ATOMIC); | |
179 | if (skb == NULL) { | |
2f73d7c2 | 180 | IWL_ERR(priv, |
4613e72d CK |
181 | "Run out of memory for messages to user space ?\n"); |
182 | return; | |
183 | } | |
184 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT); | |
185 | NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, length, data); | |
186 | cfg80211_testmode_event(skb, GFP_ATOMIC); | |
187 | return; | |
188 | ||
189 | nla_put_failure: | |
190 | kfree_skb(skb); | |
2f73d7c2 | 191 | IWL_ERR(priv, "Ouch, overran buffer, check allocation!\n"); |
4613e72d CK |
192 | } |
193 | ||
194 | void iwl_testmode_init(struct iwl_priv *priv) | |
195 | { | |
196 | priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt; | |
7a4e5281 | 197 | priv->testmode_trace.trace_enabled = false; |
6c55f5ed | 198 | priv->testmode_mem.read_in_progress = false; |
306713fd HK |
199 | } |
200 | ||
6c55f5ed | 201 | static void iwl_mem_cleanup(struct iwl_priv *priv) |
306713fd | 202 | { |
6c55f5ed AB |
203 | if (priv->testmode_mem.read_in_progress) { |
204 | kfree(priv->testmode_mem.buff_addr); | |
205 | priv->testmode_mem.buff_addr = NULL; | |
206 | priv->testmode_mem.buff_size = 0; | |
207 | priv->testmode_mem.num_chunks = 0; | |
208 | priv->testmode_mem.read_in_progress = false; | |
306713fd | 209 | } |
7a4e5281 WYG |
210 | } |
211 | ||
212 | static void iwl_trace_cleanup(struct iwl_priv *priv) | |
213 | { | |
7a4e5281 WYG |
214 | if (priv->testmode_trace.trace_enabled) { |
215 | if (priv->testmode_trace.cpu_addr && | |
216 | priv->testmode_trace.dma_addr) | |
1042db2a | 217 | dma_free_coherent(trans(priv)->dev, |
49b72100 | 218 | priv->testmode_trace.total_size, |
7a4e5281 WYG |
219 | priv->testmode_trace.cpu_addr, |
220 | priv->testmode_trace.dma_addr); | |
221 | priv->testmode_trace.trace_enabled = false; | |
222 | priv->testmode_trace.cpu_addr = NULL; | |
223 | priv->testmode_trace.trace_addr = NULL; | |
224 | priv->testmode_trace.dma_addr = 0; | |
49b72100 WYG |
225 | priv->testmode_trace.buff_size = 0; |
226 | priv->testmode_trace.total_size = 0; | |
7a4e5281 WYG |
227 | } |
228 | } | |
229 | ||
230 | ||
231 | void iwl_testmode_cleanup(struct iwl_priv *priv) | |
232 | { | |
233 | iwl_trace_cleanup(priv); | |
6c55f5ed | 234 | iwl_mem_cleanup(priv); |
4613e72d CK |
235 | } |
236 | ||
cdfef6c2 | 237 | |
4613e72d CK |
238 | /* |
239 | * This function handles the user application commands to the ucode. | |
240 | * | |
241 | * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_CMD_ID and | |
242 | * IWL_TM_ATTR_UCODE_CMD_DATA and calls to the handler to send the | |
243 | * host command to the ucode. | |
244 | * | |
245 | * If any mandatory field is missing, -ENOMSG is replied to the user space | |
cdfef6c2 AB |
246 | * application; otherwise, waits for the host command to be sent and checks |
247 | * the return code. In case or error, it is returned, otherwise a reply is | |
248 | * allocated and the reply RX packet | |
249 | * is returned. | |
4613e72d CK |
250 | * |
251 | * @hw: ieee80211_hw object that represents the device | |
252 | * @tb: gnl message fields from the user space | |
253 | */ | |
254 | static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb) | |
255 | { | |
d0f76d68 | 256 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
4613e72d | 257 | struct iwl_host_cmd cmd; |
cdfef6c2 AB |
258 | struct iwl_rx_packet *pkt; |
259 | struct sk_buff *skb; | |
260 | void *reply_buf; | |
261 | u32 reply_len; | |
262 | int ret; | |
263 | bool cmd_want_skb; | |
4613e72d CK |
264 | |
265 | memset(&cmd, 0, sizeof(struct iwl_host_cmd)); | |
266 | ||
267 | if (!tb[IWL_TM_ATTR_UCODE_CMD_ID] || | |
268 | !tb[IWL_TM_ATTR_UCODE_CMD_DATA]) { | |
2f73d7c2 | 269 | IWL_ERR(priv, "Missing ucode command mandatory fields\n"); |
4613e72d CK |
270 | return -ENOMSG; |
271 | } | |
272 | ||
cdfef6c2 AB |
273 | cmd.flags = CMD_ON_DEMAND | CMD_SYNC; |
274 | cmd_want_skb = nla_get_flag(tb[IWL_TM_ATTR_UCODE_CMD_SKB]); | |
275 | if (cmd_want_skb) | |
276 | cmd.flags |= CMD_WANT_SKB; | |
277 | ||
4613e72d | 278 | cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]); |
3fa50738 JB |
279 | cmd.data[0] = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]); |
280 | cmd.len[0] = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]); | |
4ce7cc2b | 281 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
cdfef6c2 | 282 | IWL_DEBUG_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x," |
3fa50738 | 283 | " len %d\n", cmd.id, cmd.flags, cmd.len[0]); |
cdfef6c2 | 284 | |
e10a0533 | 285 | ret = iwl_dvm_send_cmd(priv, &cmd); |
cdfef6c2 AB |
286 | if (ret) { |
287 | IWL_ERR(priv, "Failed to send hcmd\n"); | |
288 | return ret; | |
289 | } | |
290 | if (!cmd_want_skb) | |
291 | return ret; | |
292 | ||
293 | /* Handling return of SKB to the user */ | |
65b94a4a | 294 | pkt = cmd.resp_pkt; |
cdfef6c2 AB |
295 | if (!pkt) { |
296 | IWL_ERR(priv, "HCMD received a null response packet\n"); | |
297 | return ret; | |
298 | } | |
299 | ||
300 | reply_len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; | |
301 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, reply_len + 20); | |
302 | reply_buf = kmalloc(reply_len, GFP_KERNEL); | |
303 | if (!skb || !reply_buf) { | |
304 | kfree_skb(skb); | |
305 | kfree(reply_buf); | |
306 | return -ENOMEM; | |
307 | } | |
308 | ||
309 | /* The reply is in a page, that we cannot send to user space. */ | |
edabfa91 | 310 | memcpy(reply_buf, &(pkt->hdr), reply_len); |
65b94a4a | 311 | iwl_free_resp(&cmd); |
cdfef6c2 AB |
312 | |
313 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT); | |
314 | NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, reply_len, reply_buf); | |
315 | return cfg80211_testmode_reply(skb); | |
316 | ||
317 | nla_put_failure: | |
318 | IWL_DEBUG_INFO(priv, "Failed creating NL attributes\n"); | |
319 | return -ENOMSG; | |
4613e72d CK |
320 | } |
321 | ||
322 | ||
323 | /* | |
324 | * This function handles the user application commands for register access. | |
325 | * | |
326 | * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the | |
327 | * handlers respectively. | |
328 | * | |
329 | * If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the | |
330 | * mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32, | |
331 | * IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating | |
332 | * the success of the command execution. | |
333 | * | |
334 | * If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read | |
335 | * value is returned with IWL_TM_ATTR_REG_VALUE32. | |
336 | * | |
337 | * @hw: ieee80211_hw object that represents the device | |
338 | * @tb: gnl message fields from the user space | |
339 | */ | |
340 | static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb) | |
341 | { | |
d0f76d68 | 342 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
6fe7dd0d | 343 | u32 ofs, val32, cmd; |
4613e72d CK |
344 | u8 val8; |
345 | struct sk_buff *skb; | |
346 | int status = 0; | |
347 | ||
348 | if (!tb[IWL_TM_ATTR_REG_OFFSET]) { | |
2f73d7c2 | 349 | IWL_ERR(priv, "Missing register offset\n"); |
4613e72d CK |
350 | return -ENOMSG; |
351 | } | |
352 | ofs = nla_get_u32(tb[IWL_TM_ATTR_REG_OFFSET]); | |
353 | IWL_INFO(priv, "testmode register access command offset 0x%x\n", ofs); | |
354 | ||
6fe7dd0d AB |
355 | /* Allow access only to FH/CSR/HBUS in direct mode. |
356 | Since we don't have the upper bounds for the CSR and HBUS segments, | |
357 | we will use only the upper bound of FH for sanity check. */ | |
358 | cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]); | |
359 | if ((cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32 || | |
360 | cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32 || | |
361 | cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8) && | |
362 | (ofs >= FH_MEM_UPPER_BOUND)) { | |
2f73d7c2 | 363 | IWL_ERR(priv, "offset out of segment (0x0 - 0x%x)\n", |
6fe7dd0d AB |
364 | FH_MEM_UPPER_BOUND); |
365 | return -EINVAL; | |
366 | } | |
367 | ||
368 | switch (cmd) { | |
72bcacc2 | 369 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: |
1042db2a | 370 | val32 = iwl_read_direct32(trans(priv), ofs); |
4613e72d CK |
371 | IWL_INFO(priv, "32bit value to read 0x%x\n", val32); |
372 | ||
373 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); | |
374 | if (!skb) { | |
2f73d7c2 | 375 | IWL_ERR(priv, "Memory allocation fail\n"); |
4613e72d CK |
376 | return -ENOMEM; |
377 | } | |
378 | NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32); | |
379 | status = cfg80211_testmode_reply(skb); | |
380 | if (status < 0) | |
2f73d7c2 | 381 | IWL_ERR(priv, "Error sending msg : %d\n", status); |
4613e72d | 382 | break; |
72bcacc2 | 383 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: |
4613e72d | 384 | if (!tb[IWL_TM_ATTR_REG_VALUE32]) { |
2f73d7c2 | 385 | IWL_ERR(priv, "Missing value to write\n"); |
4613e72d CK |
386 | return -ENOMSG; |
387 | } else { | |
388 | val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]); | |
389 | IWL_INFO(priv, "32bit value to write 0x%x\n", val32); | |
1042db2a | 390 | iwl_write_direct32(trans(priv), ofs, val32); |
4613e72d CK |
391 | } |
392 | break; | |
72bcacc2 | 393 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: |
4613e72d | 394 | if (!tb[IWL_TM_ATTR_REG_VALUE8]) { |
2f73d7c2 | 395 | IWL_ERR(priv, "Missing value to write\n"); |
4613e72d CK |
396 | return -ENOMSG; |
397 | } else { | |
398 | val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]); | |
399 | IWL_INFO(priv, "8bit value to write 0x%x\n", val8); | |
1042db2a | 400 | iwl_write8(trans(priv), ofs, val8); |
4613e72d CK |
401 | } |
402 | break; | |
403 | default: | |
2f73d7c2 | 404 | IWL_ERR(priv, "Unknown testmode register command ID\n"); |
4613e72d CK |
405 | return -ENOSYS; |
406 | } | |
407 | ||
408 | return status; | |
409 | ||
410 | nla_put_failure: | |
411 | kfree_skb(skb); | |
412 | return -EMSGSIZE; | |
413 | } | |
414 | ||
415 | ||
416 | static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv) | |
417 | { | |
418 | struct iwl_notification_wait calib_wait; | |
419 | int ret; | |
420 | ||
dd5fe104 | 421 | iwl_init_notification_wait(priv->shrd, &calib_wait, |
4613e72d CK |
422 | CALIBRATION_COMPLETE_NOTIFICATION, |
423 | NULL, NULL); | |
e1991885 | 424 | ret = iwl_init_alive_start(priv); |
4613e72d | 425 | if (ret) { |
2f73d7c2 | 426 | IWL_ERR(priv, "Fail init calibration: %d\n", ret); |
4613e72d CK |
427 | goto cfg_init_calib_error; |
428 | } | |
429 | ||
dd5fe104 | 430 | ret = iwl_wait_notification(priv->shrd, &calib_wait, 2 * HZ); |
4613e72d | 431 | if (ret) |
2f73d7c2 | 432 | IWL_ERR(priv, "Error detecting" |
4613e72d CK |
433 | " CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret); |
434 | return ret; | |
435 | ||
436 | cfg_init_calib_error: | |
dd5fe104 | 437 | iwl_remove_notification(priv->shrd, &calib_wait); |
4613e72d CK |
438 | return ret; |
439 | } | |
440 | ||
441 | /* | |
442 | * This function handles the user application commands for driver. | |
443 | * | |
444 | * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the | |
445 | * handlers respectively. | |
446 | * | |
447 | * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned | |
448 | * value of the actual command execution is replied to the user application. | |
449 | * | |
450 | * If there's any message responding to the user space, IWL_TM_ATTR_SYNC_RSP | |
451 | * is used for carry the message while IWL_TM_ATTR_COMMAND must set to | |
452 | * IWL_TM_CMD_DEV2APP_SYNC_RSP. | |
453 | * | |
454 | * @hw: ieee80211_hw object that represents the device | |
455 | * @tb: gnl message fields from the user space | |
456 | */ | |
457 | static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) | |
458 | { | |
d0f76d68 | 459 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
69a679b0 | 460 | struct iwl_trans *trans = trans(priv); |
4613e72d CK |
461 | struct sk_buff *skb; |
462 | unsigned char *rsp_data_ptr = NULL; | |
463 | int status = 0, rsp_data_len = 0; | |
aca9b5f3 | 464 | u32 devid, inst_size = 0, data_size = 0; |
4613e72d CK |
465 | |
466 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { | |
467 | case IWL_TM_CMD_APP2DEV_GET_DEVICENAME: | |
38622419 DF |
468 | rsp_data_ptr = (unsigned char *)cfg(priv)->name; |
469 | rsp_data_len = strlen(cfg(priv)->name); | |
4613e72d CK |
470 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, |
471 | rsp_data_len + 20); | |
472 | if (!skb) { | |
2f73d7c2 | 473 | IWL_ERR(priv, "Memory allocation fail\n"); |
4613e72d CK |
474 | return -ENOMEM; |
475 | } | |
476 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, | |
477 | IWL_TM_CMD_DEV2APP_SYNC_RSP); | |
478 | NLA_PUT(skb, IWL_TM_ATTR_SYNC_RSP, | |
479 | rsp_data_len, rsp_data_ptr); | |
480 | status = cfg80211_testmode_reply(skb); | |
481 | if (status < 0) | |
2f73d7c2 | 482 | IWL_ERR(priv, "Error sending msg : %d\n", status); |
4613e72d CK |
483 | break; |
484 | ||
485 | case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW: | |
e1991885 | 486 | status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT); |
4613e72d | 487 | if (status) |
2f73d7c2 | 488 | IWL_ERR(priv, "Error loading init ucode: %d\n", status); |
4613e72d CK |
489 | break; |
490 | ||
491 | case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: | |
492 | iwl_testmode_cfg_init_calib(priv); | |
69a679b0 | 493 | iwl_trans_stop_device(trans); |
4613e72d CK |
494 | break; |
495 | ||
496 | case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: | |
e1991885 | 497 | status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR); |
4613e72d | 498 | if (status) { |
2f73d7c2 | 499 | IWL_ERR(priv, |
4613e72d CK |
500 | "Error loading runtime ucode: %d\n", status); |
501 | break; | |
502 | } | |
503 | status = iwl_alive_start(priv); | |
504 | if (status) | |
2f73d7c2 | 505 | IWL_ERR(priv, |
4613e72d CK |
506 | "Error starting the device: %d\n", status); |
507 | break; | |
508 | ||
d4af19fe HK |
509 | case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: |
510 | iwl_scan_cancel_timeout(priv, 200); | |
69a679b0 | 511 | iwl_trans_stop_device(trans); |
e1991885 | 512 | status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_WOWLAN); |
d4af19fe | 513 | if (status) { |
2f73d7c2 | 514 | IWL_ERR(priv, |
d4af19fe HK |
515 | "Error loading WOWLAN ucode: %d\n", status); |
516 | break; | |
517 | } | |
518 | status = iwl_alive_start(priv); | |
519 | if (status) | |
2f73d7c2 | 520 | IWL_ERR(priv, |
d4af19fe HK |
521 | "Error starting the device: %d\n", status); |
522 | break; | |
523 | ||
4babc358 | 524 | case IWL_TM_CMD_APP2DEV_GET_EEPROM: |
ab36eab2 | 525 | if (priv->shrd->eeprom) { |
4babc358 | 526 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, |
38622419 | 527 | cfg(priv)->base_params->eeprom_size + 20); |
4babc358 | 528 | if (!skb) { |
2f73d7c2 | 529 | IWL_ERR(priv, "Memory allocation fail\n"); |
4babc358 WYG |
530 | return -ENOMEM; |
531 | } | |
532 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, | |
533 | IWL_TM_CMD_DEV2APP_EEPROM_RSP); | |
534 | NLA_PUT(skb, IWL_TM_ATTR_EEPROM, | |
38622419 | 535 | cfg(priv)->base_params->eeprom_size, |
ab36eab2 | 536 | priv->shrd->eeprom); |
4babc358 WYG |
537 | status = cfg80211_testmode_reply(skb); |
538 | if (status < 0) | |
2f73d7c2 WYG |
539 | IWL_ERR(priv, "Error sending msg : %d\n", |
540 | status); | |
4babc358 WYG |
541 | } else |
542 | return -EFAULT; | |
543 | break; | |
544 | ||
6489854b WYG |
545 | case IWL_TM_CMD_APP2DEV_FIXRATE_REQ: |
546 | if (!tb[IWL_TM_ATTR_FIXRATE]) { | |
2f73d7c2 | 547 | IWL_ERR(priv, "Missing fixrate setting\n"); |
6489854b WYG |
548 | return -ENOMSG; |
549 | } | |
4e308119 | 550 | priv->tm_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]); |
6489854b WYG |
551 | break; |
552 | ||
e1a38fe1 | 553 | case IWL_TM_CMD_APP2DEV_GET_FW_VERSION: |
d3596677 | 554 | IWL_INFO(priv, "uCode version raw: 0x%x\n", |
0692fe41 | 555 | priv->fw->ucode_ver); |
e1a38fe1 HK |
556 | |
557 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); | |
558 | if (!skb) { | |
2f73d7c2 | 559 | IWL_ERR(priv, "Memory allocation fail\n"); |
e1a38fe1 HK |
560 | return -ENOMEM; |
561 | } | |
d3596677 | 562 | NLA_PUT_U32(skb, IWL_TM_ATTR_FW_VERSION, |
0692fe41 | 563 | priv->fw->ucode_ver); |
e1a38fe1 HK |
564 | status = cfg80211_testmode_reply(skb); |
565 | if (status < 0) | |
2f73d7c2 | 566 | IWL_ERR(priv, "Error sending msg : %d\n", status); |
e1a38fe1 HK |
567 | break; |
568 | ||
0bec12b8 | 569 | case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID: |
99673ee5 | 570 | devid = trans(priv)->hw_id; |
fb6c1c6c | 571 | IWL_INFO(priv, "hw version: 0x%x\n", devid); |
0bec12b8 HK |
572 | |
573 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); | |
574 | if (!skb) { | |
2f73d7c2 | 575 | IWL_ERR(priv, "Memory allocation fail\n"); |
0bec12b8 HK |
576 | return -ENOMEM; |
577 | } | |
578 | NLA_PUT_U32(skb, IWL_TM_ATTR_DEVICE_ID, devid); | |
579 | status = cfg80211_testmode_reply(skb); | |
580 | if (status < 0) | |
2f73d7c2 | 581 | IWL_ERR(priv, "Error sending msg : %d\n", status); |
0bec12b8 HK |
582 | break; |
583 | ||
aca9b5f3 KH |
584 | case IWL_TM_CMD_APP2DEV_GET_FW_INFO: |
585 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20 + 8); | |
586 | if (!skb) { | |
2f73d7c2 | 587 | IWL_ERR(priv, "Memory allocation fail\n"); |
aca9b5f3 KH |
588 | return -ENOMEM; |
589 | } | |
590 | switch (priv->shrd->ucode_type) { | |
591 | case IWL_UCODE_REGULAR: | |
0692fe41 JB |
592 | inst_size = priv->fw->ucode_rt.code.len; |
593 | data_size = priv->fw->ucode_rt.data.len; | |
aca9b5f3 KH |
594 | break; |
595 | case IWL_UCODE_INIT: | |
0692fe41 JB |
596 | inst_size = priv->fw->ucode_init.code.len; |
597 | data_size = priv->fw->ucode_init.data.len; | |
aca9b5f3 KH |
598 | break; |
599 | case IWL_UCODE_WOWLAN: | |
0692fe41 JB |
600 | inst_size = priv->fw->ucode_wowlan.code.len; |
601 | data_size = priv->fw->ucode_wowlan.data.len; | |
aca9b5f3 KH |
602 | break; |
603 | case IWL_UCODE_NONE: | |
2f73d7c2 | 604 | IWL_ERR(priv, "No uCode has not been loaded\n"); |
aca9b5f3 KH |
605 | break; |
606 | default: | |
2f73d7c2 | 607 | IWL_ERR(priv, "Unsupported uCode type\n"); |
aca9b5f3 KH |
608 | break; |
609 | } | |
610 | NLA_PUT_U32(skb, IWL_TM_ATTR_FW_TYPE, priv->shrd->ucode_type); | |
611 | NLA_PUT_U32(skb, IWL_TM_ATTR_FW_INST_SIZE, inst_size); | |
612 | NLA_PUT_U32(skb, IWL_TM_ATTR_FW_DATA_SIZE, data_size); | |
613 | status = cfg80211_testmode_reply(skb); | |
614 | if (status < 0) | |
2f73d7c2 | 615 | IWL_ERR(priv, "Error sending msg : %d\n", status); |
aca9b5f3 KH |
616 | break; |
617 | ||
4613e72d | 618 | default: |
2f73d7c2 | 619 | IWL_ERR(priv, "Unknown testmode driver command ID\n"); |
4613e72d CK |
620 | return -ENOSYS; |
621 | } | |
622 | return status; | |
623 | ||
624 | nla_put_failure: | |
625 | kfree_skb(skb); | |
626 | return -EMSGSIZE; | |
627 | } | |
628 | ||
7a4e5281 WYG |
629 | |
630 | /* | |
631 | * This function handles the user application commands for uCode trace | |
632 | * | |
633 | * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the | |
634 | * handlers respectively. | |
635 | * | |
636 | * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned | |
637 | * value of the actual command execution is replied to the user application. | |
638 | * | |
639 | * @hw: ieee80211_hw object that represents the device | |
640 | * @tb: gnl message fields from the user space | |
641 | */ | |
642 | static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb) | |
643 | { | |
d0f76d68 | 644 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
7a4e5281 WYG |
645 | struct sk_buff *skb; |
646 | int status = 0; | |
1042db2a | 647 | struct device *dev = trans(priv)->dev; |
7a4e5281 WYG |
648 | |
649 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { | |
650 | case IWL_TM_CMD_APP2DEV_BEGIN_TRACE: | |
651 | if (priv->testmode_trace.trace_enabled) | |
652 | return -EBUSY; | |
653 | ||
49b72100 WYG |
654 | if (!tb[IWL_TM_ATTR_TRACE_SIZE]) |
655 | priv->testmode_trace.buff_size = TRACE_BUFF_SIZE_DEF; | |
656 | else | |
657 | priv->testmode_trace.buff_size = | |
658 | nla_get_u32(tb[IWL_TM_ATTR_TRACE_SIZE]); | |
659 | if (!priv->testmode_trace.buff_size) | |
660 | return -EINVAL; | |
661 | if (priv->testmode_trace.buff_size < TRACE_BUFF_SIZE_MIN || | |
662 | priv->testmode_trace.buff_size > TRACE_BUFF_SIZE_MAX) | |
663 | return -EINVAL; | |
664 | ||
665 | priv->testmode_trace.total_size = | |
666 | priv->testmode_trace.buff_size + TRACE_BUFF_PADD; | |
7a4e5281 WYG |
667 | priv->testmode_trace.cpu_addr = |
668 | dma_alloc_coherent(dev, | |
49b72100 | 669 | priv->testmode_trace.total_size, |
7a4e5281 WYG |
670 | &priv->testmode_trace.dma_addr, |
671 | GFP_KERNEL); | |
672 | if (!priv->testmode_trace.cpu_addr) | |
673 | return -ENOMEM; | |
674 | priv->testmode_trace.trace_enabled = true; | |
675 | priv->testmode_trace.trace_addr = (u8 *)PTR_ALIGN( | |
676 | priv->testmode_trace.cpu_addr, 0x100); | |
677 | memset(priv->testmode_trace.trace_addr, 0x03B, | |
49b72100 | 678 | priv->testmode_trace.buff_size); |
7a4e5281 WYG |
679 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, |
680 | sizeof(priv->testmode_trace.dma_addr) + 20); | |
681 | if (!skb) { | |
2f73d7c2 | 682 | IWL_ERR(priv, "Memory allocation fail\n"); |
7a4e5281 WYG |
683 | iwl_trace_cleanup(priv); |
684 | return -ENOMEM; | |
685 | } | |
686 | NLA_PUT(skb, IWL_TM_ATTR_TRACE_ADDR, | |
687 | sizeof(priv->testmode_trace.dma_addr), | |
688 | (u64 *)&priv->testmode_trace.dma_addr); | |
689 | status = cfg80211_testmode_reply(skb); | |
690 | if (status < 0) { | |
2f73d7c2 | 691 | IWL_ERR(priv, "Error sending msg : %d\n", status); |
7a4e5281 | 692 | } |
eb64dca0 WYG |
693 | priv->testmode_trace.num_chunks = |
694 | DIV_ROUND_UP(priv->testmode_trace.buff_size, | |
e056a653 | 695 | DUMP_CHUNK_SIZE); |
7a4e5281 WYG |
696 | break; |
697 | ||
698 | case IWL_TM_CMD_APP2DEV_END_TRACE: | |
699 | iwl_trace_cleanup(priv); | |
700 | break; | |
7a4e5281 | 701 | default: |
2f73d7c2 | 702 | IWL_ERR(priv, "Unknown testmode mem command ID\n"); |
7a4e5281 WYG |
703 | return -ENOSYS; |
704 | } | |
705 | return status; | |
706 | ||
707 | nla_put_failure: | |
708 | kfree_skb(skb); | |
709 | if (nla_get_u32(tb[IWL_TM_ATTR_COMMAND]) == | |
710 | IWL_TM_CMD_APP2DEV_BEGIN_TRACE) | |
711 | iwl_trace_cleanup(priv); | |
712 | return -EMSGSIZE; | |
713 | } | |
714 | ||
eb64dca0 WYG |
715 | static int iwl_testmode_trace_dump(struct ieee80211_hw *hw, struct nlattr **tb, |
716 | struct sk_buff *skb, | |
717 | struct netlink_callback *cb) | |
718 | { | |
d0f76d68 | 719 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
eb64dca0 WYG |
720 | int idx, length; |
721 | ||
722 | if (priv->testmode_trace.trace_enabled && | |
723 | priv->testmode_trace.trace_addr) { | |
724 | idx = cb->args[4]; | |
725 | if (idx >= priv->testmode_trace.num_chunks) | |
726 | return -ENOENT; | |
e056a653 | 727 | length = DUMP_CHUNK_SIZE; |
eb64dca0 | 728 | if (((idx + 1) == priv->testmode_trace.num_chunks) && |
e056a653 | 729 | (priv->testmode_trace.buff_size % DUMP_CHUNK_SIZE)) |
eb64dca0 | 730 | length = priv->testmode_trace.buff_size % |
e056a653 | 731 | DUMP_CHUNK_SIZE; |
eb64dca0 WYG |
732 | |
733 | NLA_PUT(skb, IWL_TM_ATTR_TRACE_DUMP, length, | |
734 | priv->testmode_trace.trace_addr + | |
e056a653 | 735 | (DUMP_CHUNK_SIZE * idx)); |
eb64dca0 WYG |
736 | idx++; |
737 | cb->args[4] = idx; | |
738 | return 0; | |
739 | } else | |
740 | return -EFAULT; | |
741 | ||
742 | nla_put_failure: | |
743 | return -ENOBUFS; | |
744 | } | |
745 | ||
e98a1939 WYG |
746 | /* |
747 | * This function handles the user application switch ucode ownership. | |
748 | * | |
749 | * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_OWNER and | |
750 | * decide who the current owner of the uCode | |
751 | * | |
752 | * If the current owner is OWNERSHIP_TM, then the only host command | |
753 | * can deliver to uCode is from testmode, all the other host commands | |
754 | * will dropped. | |
755 | * | |
756 | * default driver is the owner of uCode in normal operational mode | |
757 | * | |
758 | * @hw: ieee80211_hw object that represents the device | |
759 | * @tb: gnl message fields from the user space | |
760 | */ | |
761 | static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb) | |
762 | { | |
d0f76d68 | 763 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
e98a1939 WYG |
764 | u8 owner; |
765 | ||
766 | if (!tb[IWL_TM_ATTR_UCODE_OWNER]) { | |
2f73d7c2 | 767 | IWL_ERR(priv, "Missing ucode owner\n"); |
e98a1939 WYG |
768 | return -ENOMSG; |
769 | } | |
770 | ||
771 | owner = nla_get_u8(tb[IWL_TM_ATTR_UCODE_OWNER]); | |
772 | if ((owner == IWL_OWNERSHIP_DRIVER) || (owner == IWL_OWNERSHIP_TM)) | |
fd656935 | 773 | priv->shrd->ucode_owner = owner; |
e98a1939 | 774 | else { |
2f73d7c2 | 775 | IWL_ERR(priv, "Invalid owner\n"); |
e98a1939 WYG |
776 | return -EINVAL; |
777 | } | |
778 | return 0; | |
779 | } | |
780 | ||
6c55f5ed AB |
781 | static int iwl_testmode_indirect_read(struct iwl_priv *priv, u32 addr, u32 size) |
782 | { | |
783 | struct iwl_trans *trans = trans(priv); | |
784 | unsigned long flags; | |
785 | int i; | |
786 | ||
787 | if (size & 0x3) | |
788 | return -EINVAL; | |
789 | priv->testmode_mem.buff_size = size; | |
790 | priv->testmode_mem.buff_addr = | |
791 | kmalloc(priv->testmode_mem.buff_size, GFP_KERNEL); | |
792 | if (priv->testmode_mem.buff_addr == NULL) | |
793 | return -ENOMEM; | |
794 | ||
795 | /* Hard-coded periphery absolute address */ | |
796 | if (IWL_TM_ABS_PRPH_START <= addr && | |
797 | addr < IWL_TM_ABS_PRPH_START + PRPH_END) { | |
798 | spin_lock_irqsave(&trans->reg_lock, flags); | |
799 | iwl_grab_nic_access(trans); | |
858b7c74 AB |
800 | iwl_write32(trans, HBUS_TARG_PRPH_RADDR, |
801 | addr | (3 << 24)); | |
6c55f5ed | 802 | for (i = 0; i < size; i += 4) |
858b7c74 | 803 | *(u32 *)(priv->testmode_mem.buff_addr + i) = |
6c55f5ed AB |
804 | iwl_read32(trans, HBUS_TARG_PRPH_RDAT); |
805 | iwl_release_nic_access(trans); | |
806 | spin_unlock_irqrestore(&trans->reg_lock, flags); | |
807 | } else { /* target memory (SRAM) */ | |
808 | _iwl_read_targ_mem_words(trans, addr, | |
809 | priv->testmode_mem.buff_addr, | |
810 | priv->testmode_mem.buff_size / 4); | |
811 | } | |
812 | ||
813 | priv->testmode_mem.num_chunks = | |
814 | DIV_ROUND_UP(priv->testmode_mem.buff_size, DUMP_CHUNK_SIZE); | |
815 | priv->testmode_mem.read_in_progress = true; | |
816 | return 0; | |
817 | ||
818 | } | |
819 | ||
820 | static int iwl_testmode_indirect_write(struct iwl_priv *priv, u32 addr, | |
821 | u32 size, unsigned char *buf) | |
822 | { | |
823 | struct iwl_trans *trans = trans(priv); | |
824 | u32 val, i; | |
825 | unsigned long flags; | |
826 | ||
827 | if (IWL_TM_ABS_PRPH_START <= addr && | |
828 | addr < IWL_TM_ABS_PRPH_START + PRPH_END) { | |
829 | /* Periphery writes can be 1-3 bytes long, or DWORDs */ | |
830 | if (size < 4) { | |
831 | memcpy(&val, buf, size); | |
832 | spin_lock_irqsave(&trans->reg_lock, flags); | |
833 | iwl_grab_nic_access(trans); | |
834 | iwl_write32(trans, HBUS_TARG_PRPH_WADDR, | |
858b7c74 AB |
835 | (addr & 0x0000FFFF) | |
836 | ((size - 1) << 24)); | |
6c55f5ed AB |
837 | iwl_write32(trans, HBUS_TARG_PRPH_WDAT, val); |
838 | iwl_release_nic_access(trans); | |
839 | /* needed after consecutive writes w/o read */ | |
840 | mmiowb(); | |
841 | spin_unlock_irqrestore(&trans->reg_lock, flags); | |
842 | } else { | |
843 | if (size % 4) | |
844 | return -EINVAL; | |
845 | for (i = 0; i < size; i += 4) | |
846 | iwl_write_prph(trans, addr+i, | |
858b7c74 | 847 | *(u32 *)(buf+i)); |
6c55f5ed AB |
848 | } |
849 | } else if (iwlagn_hw_valid_rtc_data_addr(addr) || | |
850 | (IWLAGN_RTC_INST_LOWER_BOUND <= addr && | |
851 | addr < IWLAGN_RTC_INST_UPPER_BOUND)) { | |
852 | _iwl_write_targ_mem_words(trans, addr, buf, size/4); | |
853 | } else | |
854 | return -EINVAL; | |
855 | return 0; | |
856 | } | |
857 | ||
306713fd HK |
858 | /* |
859 | * This function handles the user application commands for SRAM data dump | |
860 | * | |
861 | * It retrieves the mandatory fields IWL_TM_ATTR_SRAM_ADDR and | |
862 | * IWL_TM_ATTR_SRAM_SIZE to decide the memory area for SRAM data reading | |
863 | * | |
864 | * Several error will be retured, -EBUSY if the SRAM data retrieved by | |
865 | * previous command has not been delivered to userspace, or -ENOMSG if | |
866 | * the mandatory fields (IWL_TM_ATTR_SRAM_ADDR,IWL_TM_ATTR_SRAM_SIZE) | |
867 | * are missing, or -ENOMEM if the buffer allocation fails. | |
868 | * | |
869 | * Otherwise 0 is replied indicating the success of the SRAM reading. | |
870 | * | |
871 | * @hw: ieee80211_hw object that represents the device | |
872 | * @tb: gnl message fields from the user space | |
873 | */ | |
6c55f5ed AB |
874 | static int iwl_testmode_indirect_mem(struct ieee80211_hw *hw, |
875 | struct nlattr **tb) | |
306713fd | 876 | { |
d0f76d68 | 877 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
6c55f5ed AB |
878 | u32 addr, size, cmd; |
879 | unsigned char *buf; | |
306713fd | 880 | |
6c55f5ed AB |
881 | /* Both read and write should be blocked, for atomicity */ |
882 | if (priv->testmode_mem.read_in_progress) | |
306713fd HK |
883 | return -EBUSY; |
884 | ||
6c55f5ed AB |
885 | cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]); |
886 | if (!tb[IWL_TM_ATTR_MEM_ADDR]) { | |
887 | IWL_ERR(priv, "Error finding memory offset address\n"); | |
306713fd HK |
888 | return -ENOMSG; |
889 | } | |
6c55f5ed AB |
890 | addr = nla_get_u32(tb[IWL_TM_ATTR_MEM_ADDR]); |
891 | if (!tb[IWL_TM_ATTR_BUFFER_SIZE]) { | |
892 | IWL_ERR(priv, "Error finding size for memory reading\n"); | |
306713fd HK |
893 | return -ENOMSG; |
894 | } | |
6c55f5ed AB |
895 | size = nla_get_u32(tb[IWL_TM_ATTR_BUFFER_SIZE]); |
896 | ||
897 | if (cmd == IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ) | |
898 | return iwl_testmode_indirect_read(priv, addr, size); | |
899 | else { | |
900 | if (!tb[IWL_TM_ATTR_BUFFER_DUMP]) | |
901 | return -EINVAL; | |
902 | buf = (unsigned char *) nla_data(tb[IWL_TM_ATTR_BUFFER_DUMP]); | |
903 | return iwl_testmode_indirect_write(priv, addr, size, buf); | |
306713fd | 904 | } |
306713fd HK |
905 | } |
906 | ||
6c55f5ed | 907 | static int iwl_testmode_buffer_dump(struct ieee80211_hw *hw, struct nlattr **tb, |
306713fd HK |
908 | struct sk_buff *skb, |
909 | struct netlink_callback *cb) | |
910 | { | |
d0f76d68 | 911 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
306713fd HK |
912 | int idx, length; |
913 | ||
6c55f5ed | 914 | if (priv->testmode_mem.read_in_progress) { |
306713fd | 915 | idx = cb->args[4]; |
6c55f5ed AB |
916 | if (idx >= priv->testmode_mem.num_chunks) { |
917 | iwl_mem_cleanup(priv); | |
306713fd HK |
918 | return -ENOENT; |
919 | } | |
e056a653 | 920 | length = DUMP_CHUNK_SIZE; |
6c55f5ed AB |
921 | if (((idx + 1) == priv->testmode_mem.num_chunks) && |
922 | (priv->testmode_mem.buff_size % DUMP_CHUNK_SIZE)) | |
923 | length = priv->testmode_mem.buff_size % | |
e056a653 | 924 | DUMP_CHUNK_SIZE; |
306713fd | 925 | |
6c55f5ed AB |
926 | NLA_PUT(skb, IWL_TM_ATTR_BUFFER_DUMP, length, |
927 | priv->testmode_mem.buff_addr + | |
e056a653 | 928 | (DUMP_CHUNK_SIZE * idx)); |
306713fd HK |
929 | idx++; |
930 | cb->args[4] = idx; | |
931 | return 0; | |
932 | } else | |
933 | return -EFAULT; | |
934 | ||
935 | nla_put_failure: | |
936 | return -ENOBUFS; | |
937 | } | |
938 | ||
e98a1939 | 939 | |
4613e72d CK |
940 | /* The testmode gnl message handler that takes the gnl message from the |
941 | * user space and parses it per the policy iwl_testmode_gnl_msg_policy, then | |
942 | * invoke the corresponding handlers. | |
943 | * | |
944 | * This function is invoked when there is user space application sending | |
945 | * gnl message through the testmode tunnel NL80211_CMD_TESTMODE regulated | |
946 | * by nl80211. | |
947 | * | |
948 | * It retrieves the mandatory field, IWL_TM_ATTR_COMMAND, before | |
949 | * dispatching it to the corresponding handler. | |
950 | * | |
951 | * If IWL_TM_ATTR_COMMAND is missing, -ENOMSG is replied to user application; | |
952 | * -ENOSYS is replied to the user application if the command is unknown; | |
953 | * Otherwise, the command is dispatched to the respective handler. | |
954 | * | |
955 | * @hw: ieee80211_hw object that represents the device | |
956 | * @data: pointer to user space message | |
957 | * @len: length in byte of @data | |
958 | */ | |
ade4c649 | 959 | int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) |
4613e72d | 960 | { |
a6779278 | 961 | struct nlattr *tb[IWL_TM_ATTR_MAX]; |
d0f76d68 | 962 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
4613e72d CK |
963 | int result; |
964 | ||
965 | result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len, | |
966 | iwl_testmode_gnl_msg_policy); | |
967 | if (result != 0) { | |
2f73d7c2 | 968 | IWL_ERR(priv, "Error parsing the gnl message : %d\n", result); |
4613e72d CK |
969 | return result; |
970 | } | |
971 | ||
972 | /* IWL_TM_ATTR_COMMAND is absolutely mandatory */ | |
973 | if (!tb[IWL_TM_ATTR_COMMAND]) { | |
2f73d7c2 | 974 | IWL_ERR(priv, "Missing testmode command type\n"); |
4613e72d CK |
975 | return -ENOMSG; |
976 | } | |
977 | /* in case multiple accesses to the device happens */ | |
b1eea297 | 978 | mutex_lock(&priv->mutex); |
4613e72d CK |
979 | |
980 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { | |
981 | case IWL_TM_CMD_APP2DEV_UCODE: | |
982 | IWL_DEBUG_INFO(priv, "testmode cmd to uCode\n"); | |
983 | result = iwl_testmode_ucode(hw, tb); | |
984 | break; | |
72bcacc2 HK |
985 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: |
986 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: | |
987 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: | |
4613e72d CK |
988 | IWL_DEBUG_INFO(priv, "testmode cmd to register\n"); |
989 | result = iwl_testmode_reg(hw, tb); | |
990 | break; | |
991 | case IWL_TM_CMD_APP2DEV_GET_DEVICENAME: | |
992 | case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW: | |
993 | case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: | |
994 | case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: | |
4babc358 | 995 | case IWL_TM_CMD_APP2DEV_GET_EEPROM: |
6489854b | 996 | case IWL_TM_CMD_APP2DEV_FIXRATE_REQ: |
d4af19fe | 997 | case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: |
e1a38fe1 | 998 | case IWL_TM_CMD_APP2DEV_GET_FW_VERSION: |
0bec12b8 | 999 | case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID: |
aca9b5f3 | 1000 | case IWL_TM_CMD_APP2DEV_GET_FW_INFO: |
4613e72d CK |
1001 | IWL_DEBUG_INFO(priv, "testmode cmd to driver\n"); |
1002 | result = iwl_testmode_driver(hw, tb); | |
1003 | break; | |
7a4e5281 WYG |
1004 | |
1005 | case IWL_TM_CMD_APP2DEV_BEGIN_TRACE: | |
1006 | case IWL_TM_CMD_APP2DEV_END_TRACE: | |
1007 | case IWL_TM_CMD_APP2DEV_READ_TRACE: | |
1008 | IWL_DEBUG_INFO(priv, "testmode uCode trace cmd to driver\n"); | |
1009 | result = iwl_testmode_trace(hw, tb); | |
1010 | break; | |
1011 | ||
e98a1939 WYG |
1012 | case IWL_TM_CMD_APP2DEV_OWNERSHIP: |
1013 | IWL_DEBUG_INFO(priv, "testmode change uCode ownership\n"); | |
1014 | result = iwl_testmode_ownership(hw, tb); | |
1015 | break; | |
1016 | ||
6c55f5ed AB |
1017 | case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ: |
1018 | case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE: | |
1019 | IWL_DEBUG_INFO(priv, "testmode indirect memory cmd " | |
1020 | "to driver\n"); | |
1021 | result = iwl_testmode_indirect_mem(hw, tb); | |
306713fd HK |
1022 | break; |
1023 | ||
4613e72d | 1024 | default: |
2f73d7c2 | 1025 | IWL_ERR(priv, "Unknown testmode command\n"); |
4613e72d CK |
1026 | result = -ENOSYS; |
1027 | break; | |
1028 | } | |
1029 | ||
b1eea297 | 1030 | mutex_unlock(&priv->mutex); |
4613e72d CK |
1031 | return result; |
1032 | } | |
eb64dca0 | 1033 | |
ade4c649 | 1034 | int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, |
eb64dca0 WYG |
1035 | struct netlink_callback *cb, |
1036 | void *data, int len) | |
1037 | { | |
1038 | struct nlattr *tb[IWL_TM_ATTR_MAX]; | |
d0f76d68 | 1039 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
eb64dca0 WYG |
1040 | int result; |
1041 | u32 cmd; | |
1042 | ||
1043 | if (cb->args[3]) { | |
1044 | /* offset by 1 since commands start at 0 */ | |
1045 | cmd = cb->args[3] - 1; | |
1046 | } else { | |
1047 | result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len, | |
1048 | iwl_testmode_gnl_msg_policy); | |
1049 | if (result) { | |
2f73d7c2 WYG |
1050 | IWL_ERR(priv, |
1051 | "Error parsing the gnl message : %d\n", result); | |
eb64dca0 WYG |
1052 | return result; |
1053 | } | |
1054 | ||
1055 | /* IWL_TM_ATTR_COMMAND is absolutely mandatory */ | |
1056 | if (!tb[IWL_TM_ATTR_COMMAND]) { | |
2f73d7c2 | 1057 | IWL_ERR(priv, "Missing testmode command type\n"); |
eb64dca0 WYG |
1058 | return -ENOMSG; |
1059 | } | |
1060 | cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]); | |
1061 | cb->args[3] = cmd + 1; | |
1062 | } | |
1063 | ||
1064 | /* in case multiple accesses to the device happens */ | |
b1eea297 | 1065 | mutex_lock(&priv->mutex); |
eb64dca0 WYG |
1066 | switch (cmd) { |
1067 | case IWL_TM_CMD_APP2DEV_READ_TRACE: | |
1068 | IWL_DEBUG_INFO(priv, "uCode trace cmd to driver\n"); | |
1069 | result = iwl_testmode_trace_dump(hw, tb, skb, cb); | |
1070 | break; | |
6c55f5ed | 1071 | case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_DUMP: |
306713fd | 1072 | IWL_DEBUG_INFO(priv, "testmode sram dump cmd to driver\n"); |
6c55f5ed | 1073 | result = iwl_testmode_buffer_dump(hw, tb, skb, cb); |
306713fd | 1074 | break; |
eb64dca0 WYG |
1075 | default: |
1076 | result = -EINVAL; | |
1077 | break; | |
1078 | } | |
1079 | ||
b1eea297 | 1080 | mutex_unlock(&priv->mutex); |
eb64dca0 WYG |
1081 | return result; |
1082 | } |