Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Intel Wireless Multicomm 3200 WiFi driver |
| 3 | * |
| 4 | * Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com> |
| 5 | * Samuel Ortiz <samuel.ortiz@intel.com> |
| 6 | * Zhu Yi <yi.zhu@intel.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License version |
| 10 | * 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 20 | * 02110-1301, USA. |
| 21 | * |
| 22 | */ |
| 23 | |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 24 | #include <linux/slab.h> |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 25 | #include <linux/kernel.h> |
| 26 | #include <linux/bitops.h> |
| 27 | #include <linux/debugfs.h> |
| 28 | |
| 29 | #include "iwm.h" |
| 30 | #include "bus.h" |
| 31 | #include "rx.h" |
| 32 | #include "debug.h" |
| 33 | |
| 34 | static struct { |
| 35 | u8 id; |
| 36 | char *name; |
| 37 | } iwm_debug_module[__IWM_DM_NR] = { |
| 38 | {IWM_DM_BOOT, "boot"}, |
| 39 | {IWM_DM_FW, "fw"}, |
| 40 | {IWM_DM_SDIO, "sdio"}, |
| 41 | {IWM_DM_NTF, "ntf"}, |
| 42 | {IWM_DM_RX, "rx"}, |
| 43 | {IWM_DM_TX, "tx"}, |
| 44 | {IWM_DM_MLME, "mlme"}, |
| 45 | {IWM_DM_CMD, "cmd"}, |
| 46 | {IWM_DM_WEXT, "wext"}, |
| 47 | }; |
| 48 | |
| 49 | #define add_dbg_module(dbg, name, id, initlevel) \ |
| 50 | do { \ |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 51 | dbg.dbg_module[id] = (initlevel); \ |
John W. Linville | 1f55c12 | 2010-05-03 14:46:05 -0400 | [diff] [blame] | 52 | dbg.dbg_module_dentries[id] = \ |
| 53 | debugfs_create_x8(name, 0600, \ |
| 54 | dbg.dbgdir, \ |
| 55 | &(dbg.dbg_module[id])); \ |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 56 | } while (0) |
| 57 | |
| 58 | static int iwm_debugfs_u32_read(void *data, u64 *val) |
| 59 | { |
| 60 | struct iwm_priv *iwm = data; |
| 61 | |
| 62 | *val = iwm->dbg.dbg_level; |
| 63 | return 0; |
| 64 | } |
| 65 | |
| 66 | static int iwm_debugfs_dbg_level_write(void *data, u64 val) |
| 67 | { |
| 68 | struct iwm_priv *iwm = data; |
| 69 | int i; |
| 70 | |
| 71 | iwm->dbg.dbg_level = val; |
| 72 | |
| 73 | for (i = 0; i < __IWM_DM_NR; i++) |
| 74 | iwm->dbg.dbg_module[i] = val; |
| 75 | |
| 76 | return 0; |
| 77 | } |
| 78 | DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_level, |
| 79 | iwm_debugfs_u32_read, iwm_debugfs_dbg_level_write, |
| 80 | "%llu\n"); |
| 81 | |
| 82 | static int iwm_debugfs_dbg_modules_write(void *data, u64 val) |
| 83 | { |
| 84 | struct iwm_priv *iwm = data; |
| 85 | int i, bit; |
| 86 | |
| 87 | iwm->dbg.dbg_modules = val; |
| 88 | |
| 89 | for (i = 0; i < __IWM_DM_NR; i++) |
| 90 | iwm->dbg.dbg_module[i] = 0; |
| 91 | |
Akinobu Mita | 984b3f5 | 2010-03-05 13:41:37 -0800 | [diff] [blame] | 92 | for_each_set_bit(bit, &iwm->dbg.dbg_modules, __IWM_DM_NR) |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 93 | iwm->dbg.dbg_module[bit] = iwm->dbg.dbg_level; |
| 94 | |
| 95 | return 0; |
| 96 | } |
| 97 | DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_modules, |
| 98 | iwm_debugfs_u32_read, iwm_debugfs_dbg_modules_write, |
| 99 | "%llu\n"); |
| 100 | |
Samuel Ortiz | 04e715c | 2009-09-01 15:14:06 +0200 | [diff] [blame] | 101 | static int iwm_generic_open(struct inode *inode, struct file *filp) |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 102 | { |
| 103 | filp->private_data = inode->i_private; |
| 104 | return 0; |
| 105 | } |
| 106 | |
| 107 | |
| 108 | static ssize_t iwm_debugfs_txq_read(struct file *filp, char __user *buffer, |
| 109 | size_t count, loff_t *ppos) |
| 110 | { |
| 111 | struct iwm_priv *iwm = filp->private_data; |
| 112 | char *buf; |
| 113 | int i, buf_len = 4096; |
| 114 | size_t len = 0; |
| 115 | ssize_t ret; |
| 116 | |
| 117 | if (*ppos != 0) |
| 118 | return 0; |
| 119 | if (count < sizeof(buf)) |
| 120 | return -ENOSPC; |
| 121 | |
| 122 | buf = kzalloc(buf_len, GFP_KERNEL); |
| 123 | if (!buf) |
| 124 | return -ENOMEM; |
| 125 | |
| 126 | for (i = 0; i < IWM_TX_QUEUES; i++) { |
| 127 | struct iwm_tx_queue *txq = &iwm->txq[i]; |
| 128 | struct sk_buff *skb; |
| 129 | int j; |
| 130 | unsigned long flags; |
| 131 | |
| 132 | spin_lock_irqsave(&txq->queue.lock, flags); |
| 133 | |
| 134 | skb = (struct sk_buff *)&txq->queue; |
| 135 | |
| 136 | len += snprintf(buf + len, buf_len - len, "TXQ #%d\n", i); |
| 137 | len += snprintf(buf + len, buf_len - len, "\tStopped: %d\n", |
| 138 | __netif_subqueue_stopped(iwm_to_ndev(iwm), |
| 139 | txq->id)); |
| 140 | len += snprintf(buf + len, buf_len - len, "\tConcat count:%d\n", |
| 141 | txq->concat_count); |
| 142 | len += snprintf(buf + len, buf_len - len, "\tQueue len: %d\n", |
| 143 | skb_queue_len(&txq->queue)); |
| 144 | for (j = 0; j < skb_queue_len(&txq->queue); j++) { |
| 145 | struct iwm_tx_info *tx_info; |
| 146 | |
| 147 | skb = skb->next; |
| 148 | tx_info = skb_to_tx_info(skb); |
| 149 | |
| 150 | len += snprintf(buf + len, buf_len - len, |
| 151 | "\tSKB #%d\n", j); |
| 152 | len += snprintf(buf + len, buf_len - len, |
| 153 | "\t\tsta: %d\n", tx_info->sta); |
| 154 | len += snprintf(buf + len, buf_len - len, |
| 155 | "\t\tcolor: %d\n", tx_info->color); |
| 156 | len += snprintf(buf + len, buf_len - len, |
| 157 | "\t\ttid: %d\n", tx_info->tid); |
| 158 | } |
| 159 | |
| 160 | spin_unlock_irqrestore(&txq->queue.lock, flags); |
Samuel Ortiz | b136b3a | 2009-11-24 11:33:32 +0800 | [diff] [blame] | 161 | |
| 162 | spin_lock_irqsave(&txq->stopped_queue.lock, flags); |
| 163 | |
| 164 | len += snprintf(buf + len, buf_len - len, |
| 165 | "\tStopped Queue len: %d\n", |
| 166 | skb_queue_len(&txq->stopped_queue)); |
| 167 | for (j = 0; j < skb_queue_len(&txq->stopped_queue); j++) { |
| 168 | struct iwm_tx_info *tx_info; |
| 169 | |
| 170 | skb = skb->next; |
| 171 | tx_info = skb_to_tx_info(skb); |
| 172 | |
| 173 | len += snprintf(buf + len, buf_len - len, |
| 174 | "\tSKB #%d\n", j); |
| 175 | len += snprintf(buf + len, buf_len - len, |
| 176 | "\t\tsta: %d\n", tx_info->sta); |
| 177 | len += snprintf(buf + len, buf_len - len, |
| 178 | "\t\tcolor: %d\n", tx_info->color); |
| 179 | len += snprintf(buf + len, buf_len - len, |
| 180 | "\t\ttid: %d\n", tx_info->tid); |
| 181 | } |
| 182 | |
| 183 | spin_unlock_irqrestore(&txq->stopped_queue.lock, flags); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 184 | } |
| 185 | |
| 186 | ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len); |
| 187 | kfree(buf); |
| 188 | |
| 189 | return ret; |
| 190 | } |
| 191 | |
| 192 | static ssize_t iwm_debugfs_tx_credit_read(struct file *filp, |
| 193 | char __user *buffer, |
| 194 | size_t count, loff_t *ppos) |
| 195 | { |
| 196 | struct iwm_priv *iwm = filp->private_data; |
| 197 | struct iwm_tx_credit *credit = &iwm->tx_credit; |
| 198 | char *buf; |
| 199 | int i, buf_len = 4096; |
| 200 | size_t len = 0; |
| 201 | ssize_t ret; |
| 202 | |
| 203 | if (*ppos != 0) |
| 204 | return 0; |
| 205 | if (count < sizeof(buf)) |
| 206 | return -ENOSPC; |
| 207 | |
| 208 | buf = kzalloc(buf_len, GFP_KERNEL); |
| 209 | if (!buf) |
| 210 | return -ENOMEM; |
| 211 | |
| 212 | len += snprintf(buf + len, buf_len - len, |
| 213 | "NR pools: %d\n", credit->pool_nr); |
| 214 | len += snprintf(buf + len, buf_len - len, |
| 215 | "pools map: 0x%lx\n", credit->full_pools_map); |
| 216 | |
| 217 | len += snprintf(buf + len, buf_len - len, "\n### POOLS ###\n"); |
| 218 | for (i = 0; i < IWM_MACS_OUT_GROUPS; i++) { |
| 219 | len += snprintf(buf + len, buf_len - len, |
| 220 | "pools entry #%d\n", i); |
| 221 | len += snprintf(buf + len, buf_len - len, |
| 222 | "\tid: %d\n", |
| 223 | credit->pools[i].id); |
| 224 | len += snprintf(buf + len, buf_len - len, |
| 225 | "\tsid: %d\n", |
| 226 | credit->pools[i].sid); |
| 227 | len += snprintf(buf + len, buf_len - len, |
| 228 | "\tmin_pages: %d\n", |
| 229 | credit->pools[i].min_pages); |
| 230 | len += snprintf(buf + len, buf_len - len, |
| 231 | "\tmax_pages: %d\n", |
| 232 | credit->pools[i].max_pages); |
| 233 | len += snprintf(buf + len, buf_len - len, |
| 234 | "\talloc_pages: %d\n", |
| 235 | credit->pools[i].alloc_pages); |
| 236 | len += snprintf(buf + len, buf_len - len, |
| 237 | "\tfreed_pages: %d\n", |
| 238 | credit->pools[i].total_freed_pages); |
| 239 | } |
| 240 | |
| 241 | len += snprintf(buf + len, buf_len - len, "\n### SPOOLS ###\n"); |
| 242 | for (i = 0; i < IWM_MACS_OUT_SGROUPS; i++) { |
| 243 | len += snprintf(buf + len, buf_len - len, |
| 244 | "spools entry #%d\n", i); |
| 245 | len += snprintf(buf + len, buf_len - len, |
| 246 | "\tid: %d\n", |
| 247 | credit->spools[i].id); |
| 248 | len += snprintf(buf + len, buf_len - len, |
| 249 | "\tmax_pages: %d\n", |
| 250 | credit->spools[i].max_pages); |
| 251 | len += snprintf(buf + len, buf_len - len, |
| 252 | "\talloc_pages: %d\n", |
| 253 | credit->spools[i].alloc_pages); |
| 254 | |
| 255 | } |
| 256 | |
| 257 | ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len); |
| 258 | kfree(buf); |
| 259 | |
| 260 | return ret; |
| 261 | } |
| 262 | |
| 263 | static ssize_t iwm_debugfs_rx_ticket_read(struct file *filp, |
| 264 | char __user *buffer, |
| 265 | size_t count, loff_t *ppos) |
| 266 | { |
| 267 | struct iwm_priv *iwm = filp->private_data; |
Zhu Yi | 04d1c22 | 2010-02-25 14:15:26 +0800 | [diff] [blame] | 268 | struct iwm_rx_ticket_node *ticket; |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 269 | char *buf; |
| 270 | int buf_len = 4096, i; |
| 271 | size_t len = 0; |
| 272 | ssize_t ret; |
| 273 | |
| 274 | if (*ppos != 0) |
| 275 | return 0; |
| 276 | if (count < sizeof(buf)) |
| 277 | return -ENOSPC; |
| 278 | |
| 279 | buf = kzalloc(buf_len, GFP_KERNEL); |
| 280 | if (!buf) |
| 281 | return -ENOMEM; |
| 282 | |
Zhu Yi | c03c6ae | 2010-02-25 14:15:28 +0800 | [diff] [blame] | 283 | spin_lock(&iwm->ticket_lock); |
Zhu Yi | 04d1c22 | 2010-02-25 14:15:26 +0800 | [diff] [blame] | 284 | list_for_each_entry(ticket, &iwm->rx_tickets, node) { |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 285 | len += snprintf(buf + len, buf_len - len, "Ticket #%d\n", |
| 286 | ticket->ticket->id); |
| 287 | len += snprintf(buf + len, buf_len - len, "\taction: 0x%x\n", |
| 288 | ticket->ticket->action); |
| 289 | len += snprintf(buf + len, buf_len - len, "\tflags: 0x%x\n", |
| 290 | ticket->ticket->flags); |
| 291 | } |
Zhu Yi | c03c6ae | 2010-02-25 14:15:28 +0800 | [diff] [blame] | 292 | spin_unlock(&iwm->ticket_lock); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 293 | |
| 294 | for (i = 0; i < IWM_RX_ID_HASH; i++) { |
Zhu Yi | 04d1c22 | 2010-02-25 14:15:26 +0800 | [diff] [blame] | 295 | struct iwm_rx_packet *packet; |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 296 | struct list_head *pkt_list = &iwm->rx_packets[i]; |
Zhu Yi | 04d1c22 | 2010-02-25 14:15:26 +0800 | [diff] [blame] | 297 | |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 298 | if (!list_empty(pkt_list)) { |
| 299 | len += snprintf(buf + len, buf_len - len, |
| 300 | "Packet hash #%d\n", i); |
Zhu Yi | c03c6ae | 2010-02-25 14:15:28 +0800 | [diff] [blame] | 301 | spin_lock(&iwm->packet_lock[i]); |
Zhu Yi | 04d1c22 | 2010-02-25 14:15:26 +0800 | [diff] [blame] | 302 | list_for_each_entry(packet, pkt_list, node) { |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 303 | len += snprintf(buf + len, buf_len - len, |
| 304 | "\tPacket id: %d\n", |
| 305 | packet->id); |
| 306 | len += snprintf(buf + len, buf_len - len, |
| 307 | "\tPacket length: %lu\n", |
| 308 | packet->pkt_size); |
| 309 | } |
Zhu Yi | c03c6ae | 2010-02-25 14:15:28 +0800 | [diff] [blame] | 310 | spin_unlock(&iwm->packet_lock[i]); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 311 | } |
| 312 | } |
| 313 | |
| 314 | ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len); |
| 315 | kfree(buf); |
| 316 | |
| 317 | return ret; |
| 318 | } |
| 319 | |
Samuel Ortiz | 04e715c | 2009-09-01 15:14:06 +0200 | [diff] [blame] | 320 | static ssize_t iwm_debugfs_fw_err_read(struct file *filp, |
| 321 | char __user *buffer, |
| 322 | size_t count, loff_t *ppos) |
| 323 | { |
| 324 | |
| 325 | struct iwm_priv *iwm = filp->private_data; |
| 326 | char buf[512]; |
| 327 | int buf_len = 512; |
| 328 | size_t len = 0; |
| 329 | |
| 330 | if (*ppos != 0) |
| 331 | return 0; |
| 332 | if (count < sizeof(buf)) |
| 333 | return -ENOSPC; |
| 334 | |
| 335 | if (!iwm->last_fw_err) |
| 336 | return -ENOMEM; |
| 337 | |
| 338 | if (iwm->last_fw_err->line_num == 0) |
| 339 | goto out; |
| 340 | |
| 341 | len += snprintf(buf + len, buf_len - len, "%cMAC FW ERROR:\n", |
| 342 | (le32_to_cpu(iwm->last_fw_err->category) == UMAC_SYS_ERR_CAT_LMAC) |
| 343 | ? 'L' : 'U'); |
| 344 | len += snprintf(buf + len, buf_len - len, |
| 345 | "\tCategory: %d\n", |
| 346 | le32_to_cpu(iwm->last_fw_err->category)); |
| 347 | |
| 348 | len += snprintf(buf + len, buf_len - len, |
| 349 | "\tStatus: 0x%x\n", |
| 350 | le32_to_cpu(iwm->last_fw_err->status)); |
| 351 | |
| 352 | len += snprintf(buf + len, buf_len - len, |
| 353 | "\tPC: 0x%x\n", |
| 354 | le32_to_cpu(iwm->last_fw_err->pc)); |
| 355 | |
| 356 | len += snprintf(buf + len, buf_len - len, |
| 357 | "\tblink1: %d\n", |
| 358 | le32_to_cpu(iwm->last_fw_err->blink1)); |
| 359 | |
| 360 | len += snprintf(buf + len, buf_len - len, |
| 361 | "\tblink2: %d\n", |
| 362 | le32_to_cpu(iwm->last_fw_err->blink2)); |
| 363 | |
| 364 | len += snprintf(buf + len, buf_len - len, |
| 365 | "\tilink1: %d\n", |
| 366 | le32_to_cpu(iwm->last_fw_err->ilink1)); |
| 367 | |
| 368 | len += snprintf(buf + len, buf_len - len, |
| 369 | "\tilink2: %d\n", |
| 370 | le32_to_cpu(iwm->last_fw_err->ilink2)); |
| 371 | |
| 372 | len += snprintf(buf + len, buf_len - len, |
| 373 | "\tData1: 0x%x\n", |
| 374 | le32_to_cpu(iwm->last_fw_err->data1)); |
| 375 | |
| 376 | len += snprintf(buf + len, buf_len - len, |
| 377 | "\tData2: 0x%x\n", |
| 378 | le32_to_cpu(iwm->last_fw_err->data2)); |
| 379 | |
| 380 | len += snprintf(buf + len, buf_len - len, |
| 381 | "\tLine number: %d\n", |
| 382 | le32_to_cpu(iwm->last_fw_err->line_num)); |
| 383 | |
| 384 | len += snprintf(buf + len, buf_len - len, |
| 385 | "\tUMAC status: 0x%x\n", |
| 386 | le32_to_cpu(iwm->last_fw_err->umac_status)); |
| 387 | |
| 388 | len += snprintf(buf + len, buf_len - len, |
| 389 | "\tLMAC status: 0x%x\n", |
| 390 | le32_to_cpu(iwm->last_fw_err->lmac_status)); |
| 391 | |
| 392 | len += snprintf(buf + len, buf_len - len, |
| 393 | "\tSDIO status: 0x%x\n", |
| 394 | le32_to_cpu(iwm->last_fw_err->sdio_status)); |
| 395 | |
| 396 | out: |
| 397 | |
| 398 | return simple_read_from_buffer(buffer, len, ppos, buf, buf_len); |
| 399 | } |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 400 | |
| 401 | static const struct file_operations iwm_debugfs_txq_fops = { |
| 402 | .owner = THIS_MODULE, |
Samuel Ortiz | 04e715c | 2009-09-01 15:14:06 +0200 | [diff] [blame] | 403 | .open = iwm_generic_open, |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 404 | .read = iwm_debugfs_txq_read, |
Arnd Bergmann | 6038f37 | 2010-08-15 18:52:59 +0200 | [diff] [blame] | 405 | .llseek = default_llseek, |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 406 | }; |
| 407 | |
| 408 | static const struct file_operations iwm_debugfs_tx_credit_fops = { |
| 409 | .owner = THIS_MODULE, |
Samuel Ortiz | 04e715c | 2009-09-01 15:14:06 +0200 | [diff] [blame] | 410 | .open = iwm_generic_open, |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 411 | .read = iwm_debugfs_tx_credit_read, |
Arnd Bergmann | 6038f37 | 2010-08-15 18:52:59 +0200 | [diff] [blame] | 412 | .llseek = default_llseek, |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 413 | }; |
| 414 | |
| 415 | static const struct file_operations iwm_debugfs_rx_ticket_fops = { |
| 416 | .owner = THIS_MODULE, |
Samuel Ortiz | 04e715c | 2009-09-01 15:14:06 +0200 | [diff] [blame] | 417 | .open = iwm_generic_open, |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 418 | .read = iwm_debugfs_rx_ticket_read, |
Arnd Bergmann | 6038f37 | 2010-08-15 18:52:59 +0200 | [diff] [blame] | 419 | .llseek = default_llseek, |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 420 | }; |
| 421 | |
Samuel Ortiz | 04e715c | 2009-09-01 15:14:06 +0200 | [diff] [blame] | 422 | static const struct file_operations iwm_debugfs_fw_err_fops = { |
| 423 | .owner = THIS_MODULE, |
| 424 | .open = iwm_generic_open, |
| 425 | .read = iwm_debugfs_fw_err_read, |
Arnd Bergmann | 6038f37 | 2010-08-15 18:52:59 +0200 | [diff] [blame] | 426 | .llseek = default_llseek, |
Samuel Ortiz | 04e715c | 2009-09-01 15:14:06 +0200 | [diff] [blame] | 427 | }; |
| 428 | |
John W. Linville | 1f55c12 | 2010-05-03 14:46:05 -0400 | [diff] [blame] | 429 | void iwm_debugfs_init(struct iwm_priv *iwm) |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 430 | { |
John W. Linville | 1f55c12 | 2010-05-03 14:46:05 -0400 | [diff] [blame] | 431 | int i; |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 432 | |
| 433 | iwm->dbg.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL); |
John W. Linville | 1f55c12 | 2010-05-03 14:46:05 -0400 | [diff] [blame] | 434 | iwm->dbg.devdir = debugfs_create_dir(wiphy_name(iwm_to_wiphy(iwm)), |
| 435 | iwm->dbg.rootdir); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 436 | iwm->dbg.dbgdir = debugfs_create_dir("debug", iwm->dbg.devdir); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 437 | iwm->dbg.rxdir = debugfs_create_dir("rx", iwm->dbg.devdir); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 438 | iwm->dbg.txdir = debugfs_create_dir("tx", iwm->dbg.devdir); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 439 | iwm->dbg.busdir = debugfs_create_dir("bus", iwm->dbg.devdir); |
John W. Linville | 1f55c12 | 2010-05-03 14:46:05 -0400 | [diff] [blame] | 440 | if (iwm->bus_ops->debugfs_init) |
| 441 | iwm->bus_ops->debugfs_init(iwm, iwm->dbg.busdir); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 442 | |
| 443 | iwm->dbg.dbg_level = IWM_DL_NONE; |
| 444 | iwm->dbg.dbg_level_dentry = |
| 445 | debugfs_create_file("level", 0200, iwm->dbg.dbgdir, iwm, |
| 446 | &fops_iwm_dbg_level); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 447 | |
| 448 | iwm->dbg.dbg_modules = IWM_DM_DEFAULT; |
| 449 | iwm->dbg.dbg_modules_dentry = |
| 450 | debugfs_create_file("modules", 0200, iwm->dbg.dbgdir, iwm, |
| 451 | &fops_iwm_dbg_modules); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 452 | |
| 453 | for (i = 0; i < __IWM_DM_NR; i++) |
| 454 | add_dbg_module(iwm->dbg, iwm_debug_module[i].name, |
| 455 | iwm_debug_module[i].id, IWM_DL_DEFAULT); |
| 456 | |
| 457 | iwm->dbg.txq_dentry = debugfs_create_file("queues", 0200, |
| 458 | iwm->dbg.txdir, iwm, |
| 459 | &iwm_debugfs_txq_fops); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 460 | iwm->dbg.tx_credit_dentry = debugfs_create_file("credits", 0200, |
| 461 | iwm->dbg.txdir, iwm, |
| 462 | &iwm_debugfs_tx_credit_fops); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 463 | iwm->dbg.rx_ticket_dentry = debugfs_create_file("tickets", 0200, |
| 464 | iwm->dbg.rxdir, iwm, |
| 465 | &iwm_debugfs_rx_ticket_fops); |
Samuel Ortiz | 04e715c | 2009-09-01 15:14:06 +0200 | [diff] [blame] | 466 | iwm->dbg.fw_err_dentry = debugfs_create_file("last_fw_err", 0200, |
| 467 | iwm->dbg.dbgdir, iwm, |
| 468 | &iwm_debugfs_fw_err_fops); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | void iwm_debugfs_exit(struct iwm_priv *iwm) |
| 472 | { |
| 473 | int i; |
| 474 | |
| 475 | for (i = 0; i < __IWM_DM_NR; i++) |
| 476 | debugfs_remove(iwm->dbg.dbg_module_dentries[i]); |
| 477 | |
| 478 | debugfs_remove(iwm->dbg.dbg_modules_dentry); |
| 479 | debugfs_remove(iwm->dbg.dbg_level_dentry); |
| 480 | debugfs_remove(iwm->dbg.txq_dentry); |
| 481 | debugfs_remove(iwm->dbg.tx_credit_dentry); |
| 482 | debugfs_remove(iwm->dbg.rx_ticket_dentry); |
Samuel Ortiz | 04e715c | 2009-09-01 15:14:06 +0200 | [diff] [blame] | 483 | debugfs_remove(iwm->dbg.fw_err_dentry); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 484 | if (iwm->bus_ops->debugfs_exit) |
| 485 | iwm->bus_ops->debugfs_exit(iwm); |
| 486 | |
| 487 | debugfs_remove(iwm->dbg.busdir); |
| 488 | debugfs_remove(iwm->dbg.dbgdir); |
| 489 | debugfs_remove(iwm->dbg.txdir); |
| 490 | debugfs_remove(iwm->dbg.rxdir); |
| 491 | debugfs_remove(iwm->dbg.devdir); |
| 492 | debugfs_remove(iwm->dbg.rootdir); |
| 493 | } |