Mohit Aggarwal | 86731ea | 2017-05-25 20:21:12 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2011-2017, The Linux Foundation. All rights reserved. |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #ifdef CONFIG_DEBUG_FS |
| 14 | |
| 15 | #include <linux/slab.h> |
| 16 | #include <linux/debugfs.h> |
| 17 | #include <linux/atomic.h> |
| 18 | #include <linux/uaccess.h> |
| 19 | #include "diagchar.h" |
| 20 | #include "diagfwd.h" |
| 21 | #ifdef CONFIG_DIAGFWD_BRIDGE_CODE |
| 22 | #include "diagfwd_bridge.h" |
| 23 | #endif |
| 24 | #ifdef CONFIG_USB_QCOM_DIAG_BRIDGE |
| 25 | #include "diagfwd_hsic.h" |
| 26 | #include "diagfwd_smux.h" |
| 27 | #endif |
| 28 | #ifdef CONFIG_MSM_MHI |
| 29 | #include "diagfwd_mhi.h" |
| 30 | #endif |
| 31 | #include "diagmem.h" |
| 32 | #include "diag_dci.h" |
| 33 | #include "diag_usb.h" |
| 34 | #include "diagfwd_peripheral.h" |
Hardik Arya | d6da1cb | 2017-11-23 20:40:55 +0530 | [diff] [blame] | 35 | #include "diagfwd_smd.h" |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 36 | #include "diagfwd_socket.h" |
| 37 | #include "diagfwd_glink.h" |
| 38 | #include "diag_debugfs.h" |
| 39 | #include "diag_ipc_logging.h" |
| 40 | |
| 41 | #define DEBUG_BUF_SIZE 4096 |
| 42 | static struct dentry *diag_dbgfs_dent; |
| 43 | static int diag_dbgfs_table_index; |
| 44 | static int diag_dbgfs_mempool_index; |
| 45 | static int diag_dbgfs_usbinfo_index; |
Hardik Arya | d6da1cb | 2017-11-23 20:40:55 +0530 | [diff] [blame] | 46 | static int diag_dbgfs_smdinfo_index; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 47 | static int diag_dbgfs_socketinfo_index; |
| 48 | static int diag_dbgfs_glinkinfo_index; |
| 49 | static int diag_dbgfs_hsicinfo_index; |
| 50 | static int diag_dbgfs_mhiinfo_index; |
| 51 | static int diag_dbgfs_bridgeinfo_index; |
| 52 | static int diag_dbgfs_finished; |
| 53 | static int diag_dbgfs_dci_data_index; |
| 54 | static int diag_dbgfs_dci_finished; |
Sreelakshmi Gownipalli | 13e8367 | 2017-10-09 12:59:56 -0700 | [diff] [blame] | 55 | static struct mutex diag_dci_dbgfs_mutex; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 56 | static ssize_t diag_dbgfs_read_status(struct file *file, char __user *ubuf, |
| 57 | size_t count, loff_t *ppos) |
| 58 | { |
| 59 | char *buf; |
| 60 | int ret, i; |
| 61 | unsigned int buf_size; |
| 62 | |
| 63 | buf = kzalloc(sizeof(char) * DEBUG_BUF_SIZE, GFP_KERNEL); |
| 64 | if (!buf) |
| 65 | return -ENOMEM; |
| 66 | buf_size = ksize(buf); |
| 67 | ret = scnprintf(buf, buf_size, |
| 68 | "CPU Tools ID: %d\n" |
| 69 | "Check Polling Response: %d\n" |
| 70 | "Polling Registered: %d\n" |
| 71 | "Uses Device Tree: %d\n" |
| 72 | "Apps Supports Separate CMDRSP: %d\n" |
| 73 | "Apps Supports HDLC Encoding: %d\n" |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 74 | "Apps Supports Header Untagging: %d\n" |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 75 | "Apps Supports Sockets: %d\n" |
| 76 | "Logging Mode: %d\n" |
| 77 | "RSP Buffer is Busy: %d\n" |
| 78 | "HDLC Disabled: %d\n" |
| 79 | "Time Sync Enabled: %d\n" |
| 80 | "MD session mode: %d\n" |
| 81 | "MD session mask: %d\n" |
Manoj Prabhu B | cba38ed | 2017-11-08 20:24:46 +0530 | [diff] [blame] | 82 | "Uses Time API: %d\n" |
| 83 | "Supports PD buffering: %d\n", |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 84 | chk_config_get_id(), |
| 85 | chk_polling_response(), |
| 86 | driver->polling_reg_flag, |
| 87 | driver->use_device_tree, |
| 88 | driver->supports_separate_cmdrsp, |
| 89 | driver->supports_apps_hdlc_encoding, |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 90 | driver->supports_apps_header_untagging, |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 91 | driver->supports_sockets, |
| 92 | driver->logging_mode, |
| 93 | driver->rsp_buf_busy, |
| 94 | driver->hdlc_disabled, |
| 95 | driver->time_sync_enabled, |
| 96 | driver->md_session_mode, |
| 97 | driver->md_session_mask, |
Manoj Prabhu B | cba38ed | 2017-11-08 20:24:46 +0530 | [diff] [blame] | 98 | driver->uses_time_api, |
| 99 | driver->supports_pd_buffering); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 100 | |
| 101 | for (i = 0; i < NUM_PERIPHERALS; i++) { |
| 102 | ret += scnprintf(buf+ret, buf_size-ret, |
Manoj Prabhu B | cba38ed | 2017-11-08 20:24:46 +0530 | [diff] [blame] | 103 | "p: %s Feature: %02x %02x |%c%c%c%c%c%c%c%c%c%c|\n", |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 104 | PERIPHERAL_STRING(i), |
| 105 | driver->feature[i].feature_mask[0], |
| 106 | driver->feature[i].feature_mask[1], |
| 107 | driver->feature[i].rcvd_feature_mask ? 'F':'f', |
| 108 | driver->feature[i].separate_cmd_rsp ? 'C':'c', |
| 109 | driver->feature[i].encode_hdlc ? 'H':'h', |
| 110 | driver->feature[i].peripheral_buffering ? 'B':'b', |
| 111 | driver->feature[i].mask_centralization ? 'M':'m', |
Manoj Prabhu B | cba38ed | 2017-11-08 20:24:46 +0530 | [diff] [blame] | 112 | driver->feature[i].pd_buffering ? 'P':'p', |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 113 | driver->feature[i].stm_support ? 'Q':'q', |
| 114 | driver->feature[i].sockets_enabled ? 'S':'s', |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 115 | driver->feature[i].sent_feature_mask ? 'T':'t', |
| 116 | driver->feature[i].untag_header ? 'U':'u'); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 117 | } |
| 118 | |
| 119 | #ifdef CONFIG_DIAG_OVER_USB |
| 120 | ret += scnprintf(buf+ret, buf_size-ret, |
| 121 | "USB Connected: %d\n", |
| 122 | driver->usb_connected); |
| 123 | #endif |
| 124 | |
| 125 | for (i = 0; i < DIAG_NUM_PROC; i++) { |
| 126 | ret += scnprintf(buf+ret, buf_size-ret, |
| 127 | "Real Time Mode: %d: %d\n", i, |
| 128 | driver->real_time_mode[i]); |
| 129 | } |
| 130 | |
| 131 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, ret); |
| 132 | |
| 133 | kfree(buf); |
| 134 | return ret; |
| 135 | } |
| 136 | |
| 137 | static ssize_t diag_dbgfs_read_dcistats(struct file *file, |
| 138 | char __user *ubuf, size_t count, loff_t *ppos) |
| 139 | { |
| 140 | char *buf = NULL; |
| 141 | unsigned int bytes_remaining, bytes_written = 0; |
| 142 | unsigned int bytes_in_buf = 0, i = 0; |
| 143 | struct diag_dci_data_info *temp_data = dci_traffic; |
| 144 | unsigned int buf_size; |
| 145 | |
| 146 | buf_size = (count > DEBUG_BUF_SIZE) ? DEBUG_BUF_SIZE : count; |
| 147 | |
| 148 | if (diag_dbgfs_dci_finished) { |
| 149 | diag_dbgfs_dci_finished = 0; |
| 150 | return 0; |
| 151 | } |
| 152 | |
| 153 | buf = kcalloc(buf_size, sizeof(char), GFP_KERNEL); |
| 154 | if (ZERO_OR_NULL_PTR(buf)) |
| 155 | return -ENOMEM; |
| 156 | |
| 157 | buf_size = ksize(buf); |
| 158 | bytes_remaining = buf_size; |
| 159 | |
Sreelakshmi Gownipalli | 13e8367 | 2017-10-09 12:59:56 -0700 | [diff] [blame] | 160 | mutex_lock(&diag_dci_dbgfs_mutex); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 161 | if (diag_dbgfs_dci_data_index == 0) { |
| 162 | bytes_written = |
| 163 | scnprintf(buf, buf_size, |
| 164 | "number of clients: %d\n" |
| 165 | "dci proc active: %d\n" |
| 166 | "dci real time vote: %d\n", |
| 167 | driver->num_dci_client, |
| 168 | (driver->proc_active_mask & DIAG_PROC_DCI) ? 1 : 0, |
| 169 | (driver->proc_rt_vote_mask[DIAG_LOCAL_PROC] & |
| 170 | DIAG_PROC_DCI) ? 1 : 0); |
| 171 | bytes_in_buf += bytes_written; |
| 172 | bytes_remaining -= bytes_written; |
| 173 | #ifdef CONFIG_DIAG_OVER_USB |
| 174 | bytes_written = scnprintf(buf+bytes_in_buf, bytes_remaining, |
| 175 | "usb_connected: %d\n", |
| 176 | driver->usb_connected); |
| 177 | bytes_in_buf += bytes_written; |
| 178 | bytes_remaining -= bytes_written; |
| 179 | #endif |
| 180 | bytes_written = scnprintf(buf+bytes_in_buf, |
| 181 | bytes_remaining, |
| 182 | "dci power: active, relax: %lu, %lu\n", |
| 183 | driver->diag_dev->power.wakeup-> |
| 184 | active_count, |
| 185 | driver->diag_dev-> |
| 186 | power.wakeup->relax_count); |
| 187 | bytes_in_buf += bytes_written; |
| 188 | bytes_remaining -= bytes_written; |
| 189 | |
| 190 | } |
| 191 | temp_data += diag_dbgfs_dci_data_index; |
| 192 | for (i = diag_dbgfs_dci_data_index; i < DIAG_DCI_DEBUG_CNT; i++) { |
| 193 | if (temp_data->iteration != 0) { |
| 194 | bytes_written = scnprintf( |
| 195 | buf + bytes_in_buf, bytes_remaining, |
| 196 | "i %-5ld\t" |
| 197 | "s %-5d\t" |
| 198 | "p %-5d\t" |
| 199 | "r %-5d\t" |
| 200 | "c %-5d\t" |
| 201 | "t %-15s\n", |
| 202 | temp_data->iteration, |
| 203 | temp_data->data_size, |
| 204 | temp_data->peripheral, |
| 205 | temp_data->proc, |
| 206 | temp_data->ch_type, |
| 207 | temp_data->time_stamp); |
| 208 | bytes_in_buf += bytes_written; |
| 209 | bytes_remaining -= bytes_written; |
| 210 | /* Check if there is room for another entry */ |
| 211 | if (bytes_remaining < bytes_written) |
| 212 | break; |
| 213 | } |
| 214 | temp_data++; |
| 215 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 216 | diag_dbgfs_dci_data_index = (i >= DIAG_DCI_DEBUG_CNT) ? 0 : i + 1; |
Sreelakshmi Gownipalli | 13e8367 | 2017-10-09 12:59:56 -0700 | [diff] [blame] | 217 | mutex_unlock(&diag_dci_dbgfs_mutex); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 218 | bytes_written = simple_read_from_buffer(ubuf, count, ppos, buf, |
| 219 | bytes_in_buf); |
| 220 | kfree(buf); |
| 221 | diag_dbgfs_dci_finished = 1; |
| 222 | return bytes_written; |
| 223 | } |
| 224 | |
| 225 | static ssize_t diag_dbgfs_read_power(struct file *file, char __user *ubuf, |
| 226 | size_t count, loff_t *ppos) |
| 227 | { |
| 228 | char *buf; |
| 229 | int ret; |
| 230 | unsigned int buf_size; |
| 231 | |
| 232 | buf = kzalloc(sizeof(char) * DEBUG_BUF_SIZE, GFP_KERNEL); |
| 233 | if (!buf) |
| 234 | return -ENOMEM; |
| 235 | |
| 236 | buf_size = ksize(buf); |
| 237 | ret = scnprintf(buf, buf_size, |
| 238 | "DCI reference count: %d\n" |
| 239 | "DCI copy count: %d\n" |
| 240 | "DCI Client Count: %d\n\n" |
| 241 | "Memory Device reference count: %d\n" |
| 242 | "Memory Device copy count: %d\n" |
| 243 | "Logging mode: %d\n\n" |
| 244 | "Wakeup source active count: %lu\n" |
| 245 | "Wakeup source relax count: %lu\n\n", |
| 246 | driver->dci_ws.ref_count, |
| 247 | driver->dci_ws.copy_count, |
| 248 | driver->num_dci_client, |
| 249 | driver->md_ws.ref_count, |
| 250 | driver->md_ws.copy_count, |
| 251 | driver->logging_mode, |
| 252 | driver->diag_dev->power.wakeup->active_count, |
| 253 | driver->diag_dev->power.wakeup->relax_count); |
| 254 | |
| 255 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, ret); |
| 256 | |
| 257 | kfree(buf); |
| 258 | return ret; |
| 259 | } |
| 260 | |
| 261 | static ssize_t diag_dbgfs_read_table(struct file *file, char __user *ubuf, |
| 262 | size_t count, loff_t *ppos) |
| 263 | { |
| 264 | char *buf; |
| 265 | int ret = 0; |
| 266 | int i = 0; |
| 267 | int is_polling = 0; |
| 268 | unsigned int bytes_remaining; |
| 269 | unsigned int bytes_in_buffer = 0; |
| 270 | unsigned int bytes_written; |
| 271 | unsigned int buf_size; |
| 272 | struct list_head *start; |
| 273 | struct list_head *temp; |
| 274 | struct diag_cmd_reg_t *item = NULL; |
| 275 | |
Mohit Aggarwal | 86731ea | 2017-05-25 20:21:12 +0530 | [diff] [blame] | 276 | mutex_lock(&driver->cmd_reg_mutex); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 277 | if (diag_dbgfs_table_index == driver->cmd_reg_count) { |
| 278 | diag_dbgfs_table_index = 0; |
Mohit Aggarwal | 86731ea | 2017-05-25 20:21:12 +0530 | [diff] [blame] | 279 | mutex_unlock(&driver->cmd_reg_mutex); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 280 | return 0; |
| 281 | } |
| 282 | |
| 283 | buf_size = (count > DEBUG_BUF_SIZE) ? DEBUG_BUF_SIZE : count; |
| 284 | |
| 285 | buf = kcalloc(buf_size, sizeof(char), GFP_KERNEL); |
| 286 | if (ZERO_OR_NULL_PTR(buf)) { |
| 287 | pr_err("diag: %s, Error allocating memory\n", __func__); |
Mohit Aggarwal | 86731ea | 2017-05-25 20:21:12 +0530 | [diff] [blame] | 288 | mutex_unlock(&driver->cmd_reg_mutex); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 289 | return -ENOMEM; |
| 290 | } |
| 291 | buf_size = ksize(buf); |
| 292 | bytes_remaining = buf_size; |
| 293 | |
| 294 | if (diag_dbgfs_table_index == 0) { |
| 295 | bytes_written = scnprintf(buf+bytes_in_buffer, bytes_remaining, |
| 296 | "Client ids: Modem: %d, LPASS: %d, WCNSS: %d, SLPI: %d, APPS: %d\n", |
| 297 | PERIPHERAL_MODEM, PERIPHERAL_LPASS, |
| 298 | PERIPHERAL_WCNSS, PERIPHERAL_SENSORS, |
| 299 | APPS_DATA); |
| 300 | bytes_in_buffer += bytes_written; |
| 301 | bytes_remaining -= bytes_written; |
| 302 | } |
| 303 | |
| 304 | list_for_each_safe(start, temp, &driver->cmd_reg_list) { |
| 305 | item = list_entry(start, struct diag_cmd_reg_t, link); |
| 306 | if (i < diag_dbgfs_table_index) { |
| 307 | i++; |
| 308 | continue; |
| 309 | } |
| 310 | |
| 311 | is_polling = diag_cmd_chk_polling(&item->entry); |
| 312 | bytes_written = scnprintf(buf+bytes_in_buffer, bytes_remaining, |
| 313 | "i: %3d, cmd_code: %4x, subsys_id: %4x, cmd_code_lo: %4x, cmd_code_hi: %4x, proc: %d, process_id: %5d %s\n", |
| 314 | i++, |
| 315 | item->entry.cmd_code, |
| 316 | item->entry.subsys_id, |
| 317 | item->entry.cmd_code_lo, |
| 318 | item->entry.cmd_code_hi, |
| 319 | item->proc, |
| 320 | item->pid, |
| 321 | (is_polling == DIAG_CMD_POLLING) ? |
| 322 | "<-- Polling Cmd" : ""); |
| 323 | |
| 324 | bytes_in_buffer += bytes_written; |
| 325 | |
| 326 | /* Check if there is room to add another table entry */ |
| 327 | bytes_remaining = buf_size - bytes_in_buffer; |
| 328 | |
| 329 | if (bytes_remaining < bytes_written) |
| 330 | break; |
| 331 | } |
| 332 | diag_dbgfs_table_index = i; |
Mohit Aggarwal | 86731ea | 2017-05-25 20:21:12 +0530 | [diff] [blame] | 333 | mutex_unlock(&driver->cmd_reg_mutex); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 334 | |
| 335 | *ppos = 0; |
| 336 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, bytes_in_buffer); |
| 337 | |
| 338 | kfree(buf); |
| 339 | return ret; |
| 340 | } |
| 341 | |
| 342 | static ssize_t diag_dbgfs_read_mempool(struct file *file, char __user *ubuf, |
| 343 | size_t count, loff_t *ppos) |
| 344 | { |
| 345 | char *buf = NULL; |
| 346 | int ret = 0; |
| 347 | int i = 0; |
| 348 | unsigned int buf_size; |
| 349 | unsigned int bytes_remaining = 0; |
| 350 | unsigned int bytes_written = 0; |
| 351 | unsigned int bytes_in_buffer = 0; |
| 352 | struct diag_mempool_t *mempool = NULL; |
| 353 | |
| 354 | if (diag_dbgfs_mempool_index >= NUM_MEMORY_POOLS) { |
| 355 | /* Done. Reset to prepare for future requests */ |
| 356 | diag_dbgfs_mempool_index = 0; |
| 357 | return 0; |
| 358 | } |
| 359 | |
| 360 | buf = kzalloc(sizeof(char) * DEBUG_BUF_SIZE, GFP_KERNEL); |
| 361 | if (ZERO_OR_NULL_PTR(buf)) { |
| 362 | pr_err("diag: %s, Error allocating memory\n", __func__); |
| 363 | return -ENOMEM; |
| 364 | } |
| 365 | |
| 366 | buf_size = ksize(buf); |
| 367 | bytes_remaining = buf_size; |
| 368 | bytes_written = scnprintf(buf+bytes_in_buffer, bytes_remaining, |
| 369 | "%-24s\t" |
| 370 | "%-10s\t" |
| 371 | "%-5s\t" |
| 372 | "%-5s\t" |
| 373 | "%-5s\n", |
| 374 | "POOL", "HANDLE", "COUNT", "SIZE", "ITEMSIZE"); |
| 375 | bytes_in_buffer += bytes_written; |
| 376 | bytes_remaining = buf_size - bytes_in_buffer; |
| 377 | |
| 378 | for (i = diag_dbgfs_mempool_index; i < NUM_MEMORY_POOLS; i++) { |
| 379 | mempool = &diag_mempools[i]; |
| 380 | bytes_written = scnprintf(buf+bytes_in_buffer, bytes_remaining, |
| 381 | "%-24s\t" |
| 382 | "%-10p\t" |
| 383 | "%-5d\t" |
| 384 | "%-5d\t" |
| 385 | "%-5d\n", |
| 386 | mempool->name, |
| 387 | mempool->pool, |
| 388 | mempool->count, |
| 389 | mempool->poolsize, |
| 390 | mempool->itemsize); |
| 391 | bytes_in_buffer += bytes_written; |
| 392 | |
| 393 | /* Check if there is room to add another table entry */ |
| 394 | bytes_remaining = buf_size - bytes_in_buffer; |
| 395 | |
| 396 | if (bytes_remaining < bytes_written) |
| 397 | break; |
| 398 | } |
| 399 | diag_dbgfs_mempool_index = i+1; |
| 400 | *ppos = 0; |
| 401 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, bytes_in_buffer); |
| 402 | |
| 403 | kfree(buf); |
| 404 | return ret; |
| 405 | } |
| 406 | |
| 407 | static ssize_t diag_dbgfs_read_usbinfo(struct file *file, char __user *ubuf, |
| 408 | size_t count, loff_t *ppos) |
| 409 | { |
| 410 | char *buf = NULL; |
| 411 | int ret = 0; |
| 412 | int i = 0; |
| 413 | unsigned int buf_size; |
| 414 | unsigned int bytes_remaining = 0; |
| 415 | unsigned int bytes_written = 0; |
| 416 | unsigned int bytes_in_buffer = 0; |
| 417 | struct diag_usb_info *usb_info = NULL; |
| 418 | |
| 419 | if (diag_dbgfs_usbinfo_index >= NUM_DIAG_USB_DEV) { |
| 420 | /* Done. Reset to prepare for future requests */ |
| 421 | diag_dbgfs_usbinfo_index = 0; |
| 422 | return 0; |
| 423 | } |
| 424 | |
| 425 | buf = kzalloc(sizeof(char) * DEBUG_BUF_SIZE, GFP_KERNEL); |
| 426 | if (ZERO_OR_NULL_PTR(buf)) { |
| 427 | pr_err("diag: %s, Error allocating memory\n", __func__); |
| 428 | return -ENOMEM; |
| 429 | } |
| 430 | |
| 431 | buf_size = ksize(buf); |
| 432 | bytes_remaining = buf_size; |
| 433 | for (i = diag_dbgfs_usbinfo_index; i < NUM_DIAG_USB_DEV; i++) { |
| 434 | usb_info = &diag_usb[i]; |
| 435 | if (!usb_info->enabled) |
| 436 | continue; |
| 437 | bytes_written = scnprintf(buf+bytes_in_buffer, bytes_remaining, |
| 438 | "id: %d\n" |
| 439 | "name: %s\n" |
| 440 | "hdl: %pK\n" |
| 441 | "connected: %d\n" |
| 442 | "diag state: %d\n" |
| 443 | "enabled: %d\n" |
| 444 | "mempool: %s\n" |
| 445 | "read pending: %d\n" |
| 446 | "read count: %lu\n" |
| 447 | "write count: %lu\n" |
| 448 | "read work pending: %d\n" |
| 449 | "read done work pending: %d\n" |
| 450 | "connect work pending: %d\n" |
| 451 | "disconnect work pending: %d\n" |
| 452 | "max size supported: %d\n\n", |
| 453 | usb_info->id, |
| 454 | usb_info->name, |
| 455 | usb_info->hdl, |
| 456 | atomic_read(&usb_info->connected), |
| 457 | atomic_read(&usb_info->diag_state), |
| 458 | usb_info->enabled, |
| 459 | DIAG_MEMPOOL_GET_NAME(usb_info->mempool), |
| 460 | atomic_read(&usb_info->read_pending), |
| 461 | usb_info->read_cnt, |
| 462 | usb_info->write_cnt, |
| 463 | work_pending(&usb_info->read_work), |
| 464 | work_pending(&usb_info->read_done_work), |
| 465 | work_pending(&usb_info->connect_work), |
| 466 | work_pending(&usb_info->disconnect_work), |
| 467 | usb_info->max_size); |
| 468 | bytes_in_buffer += bytes_written; |
| 469 | |
| 470 | /* Check if there is room to add another table entry */ |
| 471 | bytes_remaining = buf_size - bytes_in_buffer; |
| 472 | |
| 473 | if (bytes_remaining < bytes_written) |
| 474 | break; |
| 475 | } |
| 476 | diag_dbgfs_usbinfo_index = i+1; |
| 477 | *ppos = 0; |
| 478 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, bytes_in_buffer); |
| 479 | |
| 480 | kfree(buf); |
| 481 | return ret; |
| 482 | } |
| 483 | |
Hardik Arya | d6da1cb | 2017-11-23 20:40:55 +0530 | [diff] [blame] | 484 | #ifdef CONFIG_DIAG_USES_SMD |
| 485 | static ssize_t diag_dbgfs_read_smdinfo(struct file *file, char __user *ubuf, |
| 486 | size_t count, loff_t *ppos) |
| 487 | { |
| 488 | char *buf = NULL; |
| 489 | int ret = 0; |
| 490 | int i = 0; |
| 491 | int j = 0; |
| 492 | unsigned int buf_size; |
| 493 | unsigned int bytes_remaining = 0; |
| 494 | unsigned int bytes_written = 0; |
| 495 | unsigned int bytes_in_buffer = 0; |
| 496 | struct diag_smd_info *smd_info = NULL; |
| 497 | struct diagfwd_info *fwd_ctxt = NULL; |
| 498 | |
| 499 | if (diag_dbgfs_smdinfo_index >= NUM_PERIPHERALS) { |
| 500 | /* Done. Reset to prepare for future requests */ |
| 501 | diag_dbgfs_smdinfo_index = 0; |
| 502 | return 0; |
| 503 | } |
| 504 | |
| 505 | buf = kzalloc(sizeof(char) * DEBUG_BUF_SIZE, GFP_KERNEL); |
| 506 | if (!buf) |
| 507 | return -ENOMEM; |
| 508 | |
| 509 | buf_size = DEBUG_BUF_SIZE; |
| 510 | bytes_remaining = buf_size; |
| 511 | for (i = 0; i < NUM_TYPES; i++) { |
| 512 | for (j = 0; j < NUM_PERIPHERALS; j++) { |
| 513 | switch (i) { |
| 514 | case TYPE_DATA: |
| 515 | smd_info = &smd_data[j]; |
| 516 | break; |
| 517 | case TYPE_CNTL: |
| 518 | smd_info = &smd_cntl[j]; |
| 519 | break; |
| 520 | case TYPE_DCI: |
| 521 | smd_info = &smd_dci[j]; |
| 522 | break; |
| 523 | case TYPE_CMD: |
| 524 | smd_info = &smd_cmd[j]; |
| 525 | break; |
| 526 | case TYPE_DCI_CMD: |
| 527 | smd_info = &smd_dci_cmd[j]; |
| 528 | break; |
| 529 | default: |
| 530 | return -EINVAL; |
| 531 | } |
| 532 | |
| 533 | fwd_ctxt = (struct diagfwd_info *)(smd_info->fwd_ctxt); |
| 534 | |
| 535 | bytes_written = scnprintf(buf+bytes_in_buffer, |
| 536 | bytes_remaining, |
| 537 | "name\t\t:\t%s\n" |
| 538 | "hdl\t\t:\t%pK\n" |
| 539 | "inited\t\t:\t%d\n" |
| 540 | "opened\t\t:\t%d\n" |
| 541 | "diag_state\t:\t%d\n" |
| 542 | "fifo size\t:\t%d\n" |
| 543 | "open pending\t:\t%d\n" |
| 544 | "close pending\t:\t%d\n" |
| 545 | "read pending\t:\t%d\n" |
| 546 | "buf_1 busy\t:\t%d\n" |
| 547 | "buf_2 busy\t:\t%d\n" |
| 548 | "bytes read\t:\t%lu\n" |
| 549 | "bytes written\t:\t%lu\n" |
| 550 | "fwd inited\t:\t%d\n" |
| 551 | "fwd opened\t:\t%d\n" |
| 552 | "fwd ch_open\t:\t%d\n\n", |
| 553 | smd_info->name, |
| 554 | smd_info->hdl, |
| 555 | smd_info->inited, |
| 556 | atomic_read(&smd_info->opened), |
| 557 | atomic_read(&smd_info->diag_state), |
| 558 | smd_info->fifo_size, |
| 559 | work_pending(&smd_info->open_work), |
| 560 | work_pending(&smd_info->close_work), |
| 561 | work_pending(&smd_info->read_work), |
| 562 | (fwd_ctxt && fwd_ctxt->buf_1) ? |
| 563 | atomic_read(&fwd_ctxt->buf_1->in_busy) : -1, |
| 564 | (fwd_ctxt && fwd_ctxt->buf_2) ? |
| 565 | atomic_read(&fwd_ctxt->buf_2->in_busy) : -1, |
| 566 | (fwd_ctxt) ? fwd_ctxt->read_bytes : 0, |
| 567 | (fwd_ctxt) ? fwd_ctxt->write_bytes : 0, |
| 568 | (fwd_ctxt) ? fwd_ctxt->inited : -1, |
| 569 | (fwd_ctxt) ? |
| 570 | atomic_read(&fwd_ctxt->opened) : -1, |
| 571 | (fwd_ctxt) ? fwd_ctxt->ch_open : -1); |
| 572 | bytes_in_buffer += bytes_written; |
| 573 | |
| 574 | /* Check if there is room to add another table entry */ |
| 575 | bytes_remaining = buf_size - bytes_in_buffer; |
| 576 | |
| 577 | if (bytes_remaining < bytes_written) |
| 578 | break; |
| 579 | } |
| 580 | } |
| 581 | diag_dbgfs_smdinfo_index = i+1; |
| 582 | *ppos = 0; |
| 583 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, bytes_in_buffer); |
| 584 | |
| 585 | kfree(buf); |
| 586 | return ret; |
| 587 | } |
| 588 | #endif |
| 589 | |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 590 | static ssize_t diag_dbgfs_read_socketinfo(struct file *file, char __user *ubuf, |
| 591 | size_t count, loff_t *ppos) |
| 592 | { |
| 593 | char *buf = NULL; |
| 594 | int ret = 0; |
| 595 | int i = 0; |
| 596 | int j = 0; |
| 597 | unsigned int buf_size; |
| 598 | unsigned int bytes_remaining = 0; |
| 599 | unsigned int bytes_written = 0; |
| 600 | unsigned int bytes_in_buffer = 0; |
| 601 | struct diag_socket_info *info = NULL; |
| 602 | struct diagfwd_info *fwd_ctxt = NULL; |
| 603 | |
| 604 | if (diag_dbgfs_socketinfo_index >= NUM_PERIPHERALS) { |
| 605 | /* Done. Reset to prepare for future requests */ |
| 606 | diag_dbgfs_socketinfo_index = 0; |
| 607 | return 0; |
| 608 | } |
| 609 | |
| 610 | buf = kzalloc(sizeof(char) * DEBUG_BUF_SIZE, GFP_KERNEL); |
| 611 | if (ZERO_OR_NULL_PTR(buf)) { |
| 612 | pr_err("diag: %s, Error allocating memory\n", __func__); |
| 613 | return -ENOMEM; |
| 614 | } |
| 615 | |
| 616 | buf_size = ksize(buf); |
| 617 | bytes_remaining = buf_size; |
| 618 | for (i = 0; i < NUM_TYPES; i++) { |
| 619 | for (j = 0; j < NUM_PERIPHERALS; j++) { |
| 620 | switch (i) { |
| 621 | case TYPE_DATA: |
| 622 | info = &socket_data[j]; |
| 623 | break; |
| 624 | case TYPE_CNTL: |
| 625 | info = &socket_cntl[j]; |
| 626 | break; |
| 627 | case TYPE_DCI: |
| 628 | info = &socket_dci[j]; |
| 629 | break; |
| 630 | case TYPE_CMD: |
| 631 | info = &socket_cmd[j]; |
| 632 | break; |
| 633 | case TYPE_DCI_CMD: |
| 634 | info = &socket_dci_cmd[j]; |
| 635 | break; |
| 636 | default: |
| 637 | return -EINVAL; |
| 638 | } |
| 639 | |
| 640 | fwd_ctxt = (struct diagfwd_info *)(info->fwd_ctxt); |
| 641 | |
| 642 | bytes_written = scnprintf(buf+bytes_in_buffer, |
| 643 | bytes_remaining, |
| 644 | "name\t\t:\t%s\n" |
| 645 | "hdl\t\t:\t%pK\n" |
| 646 | "inited\t\t:\t%d\n" |
| 647 | "opened\t\t:\t%d\n" |
| 648 | "diag_state\t:\t%d\n" |
| 649 | "buf_1 busy\t:\t%d\n" |
| 650 | "buf_2 busy\t:\t%d\n" |
| 651 | "flow ctrl count\t:\t%d\n" |
| 652 | "data_ready\t:\t%d\n" |
| 653 | "init pending\t:\t%d\n" |
| 654 | "read pending\t:\t%d\n" |
| 655 | "bytes read\t:\t%lu\n" |
| 656 | "bytes written\t:\t%lu\n" |
| 657 | "fwd inited\t:\t%d\n" |
| 658 | "fwd opened\t:\t%d\n" |
| 659 | "fwd ch_open\t:\t%d\n\n", |
| 660 | info->name, |
| 661 | info->hdl, |
| 662 | info->inited, |
| 663 | atomic_read(&info->opened), |
| 664 | atomic_read(&info->diag_state), |
| 665 | (fwd_ctxt && fwd_ctxt->buf_1) ? |
| 666 | atomic_read(&fwd_ctxt->buf_1->in_busy) : -1, |
| 667 | (fwd_ctxt && fwd_ctxt->buf_2) ? |
| 668 | atomic_read(&fwd_ctxt->buf_2->in_busy) : -1, |
| 669 | atomic_read(&info->flow_cnt), |
| 670 | info->data_ready, |
| 671 | work_pending(&info->init_work), |
| 672 | work_pending(&info->read_work), |
| 673 | (fwd_ctxt) ? fwd_ctxt->read_bytes : 0, |
| 674 | (fwd_ctxt) ? fwd_ctxt->write_bytes : 0, |
| 675 | (fwd_ctxt) ? fwd_ctxt->inited : -1, |
| 676 | (fwd_ctxt) ? |
| 677 | atomic_read(&fwd_ctxt->opened) : -1, |
| 678 | (fwd_ctxt) ? fwd_ctxt->ch_open : -1); |
| 679 | bytes_in_buffer += bytes_written; |
| 680 | |
| 681 | /* Check if there is room to add another table entry */ |
| 682 | bytes_remaining = buf_size - bytes_in_buffer; |
| 683 | |
| 684 | if (bytes_remaining < bytes_written) |
| 685 | break; |
| 686 | } |
| 687 | } |
| 688 | diag_dbgfs_socketinfo_index = i+1; |
| 689 | *ppos = 0; |
| 690 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, bytes_in_buffer); |
| 691 | |
| 692 | kfree(buf); |
| 693 | return ret; |
| 694 | } |
| 695 | |
| 696 | static ssize_t diag_dbgfs_read_glinkinfo(struct file *file, char __user *ubuf, |
| 697 | size_t count, loff_t *ppos) |
| 698 | { |
| 699 | char *buf = NULL; |
| 700 | int ret = 0; |
| 701 | int i = 0; |
| 702 | int j = 0; |
| 703 | unsigned int buf_size; |
| 704 | unsigned int bytes_remaining = 0; |
| 705 | unsigned int bytes_written = 0; |
| 706 | unsigned int bytes_in_buffer = 0; |
| 707 | struct diag_glink_info *info = NULL; |
| 708 | struct diagfwd_info *fwd_ctxt = NULL; |
| 709 | |
| 710 | if (diag_dbgfs_glinkinfo_index >= NUM_PERIPHERALS) { |
| 711 | /* Done. Reset to prepare for future requests */ |
| 712 | diag_dbgfs_socketinfo_index = 0; |
| 713 | return 0; |
| 714 | } |
| 715 | |
| 716 | buf = kzalloc(sizeof(char) * DEBUG_BUF_SIZE, GFP_KERNEL); |
| 717 | if (!buf) |
| 718 | return -ENOMEM; |
| 719 | |
| 720 | buf_size = ksize(buf); |
| 721 | bytes_remaining = buf_size; |
| 722 | for (i = 0; i < NUM_TYPES; i++) { |
| 723 | for (j = 0; j < NUM_PERIPHERALS; j++) { |
| 724 | switch (i) { |
| 725 | case TYPE_DATA: |
| 726 | info = &glink_data[j]; |
| 727 | break; |
| 728 | case TYPE_CNTL: |
| 729 | info = &glink_cntl[j]; |
| 730 | break; |
| 731 | case TYPE_DCI: |
| 732 | info = &glink_dci[j]; |
| 733 | break; |
| 734 | case TYPE_CMD: |
| 735 | info = &glink_cmd[j]; |
| 736 | break; |
| 737 | case TYPE_DCI_CMD: |
| 738 | info = &glink_dci_cmd[j]; |
| 739 | break; |
| 740 | default: |
| 741 | return -EINVAL; |
| 742 | } |
| 743 | |
| 744 | fwd_ctxt = (struct diagfwd_info *)(info->fwd_ctxt); |
| 745 | |
| 746 | bytes_written = scnprintf(buf+bytes_in_buffer, |
| 747 | bytes_remaining, |
| 748 | "name\t\t:\t%s\n" |
| 749 | "hdl\t\t:\t%pK\n" |
| 750 | "inited\t\t:\t%d\n" |
| 751 | "opened\t\t:\t%d\n" |
| 752 | "diag_state\t:\t%d\n" |
| 753 | "buf_1 busy\t:\t%d\n" |
| 754 | "buf_2 busy\t:\t%d\n" |
| 755 | "tx_intent_ready\t:\t%d\n" |
| 756 | "open pending\t:\t%d\n" |
| 757 | "close pending\t:\t%d\n" |
| 758 | "read pending\t:\t%d\n" |
| 759 | "bytes read\t:\t%lu\n" |
| 760 | "bytes written\t:\t%lu\n" |
| 761 | "fwd inited\t:\t%d\n" |
| 762 | "fwd opened\t:\t%d\n" |
| 763 | "fwd ch_open\t:\t%d\n\n", |
| 764 | info->name, |
| 765 | info->hdl, |
| 766 | info->inited, |
| 767 | atomic_read(&info->opened), |
| 768 | atomic_read(&info->diag_state), |
| 769 | (fwd_ctxt && fwd_ctxt->buf_1) ? |
| 770 | atomic_read(&fwd_ctxt->buf_1->in_busy) : -1, |
| 771 | (fwd_ctxt && fwd_ctxt->buf_2) ? |
| 772 | atomic_read(&fwd_ctxt->buf_2->in_busy) : -1, |
| 773 | atomic_read(&info->tx_intent_ready), |
| 774 | work_pending(&info->open_work), |
| 775 | work_pending(&info->close_work), |
| 776 | work_pending(&info->read_work), |
| 777 | (fwd_ctxt) ? fwd_ctxt->read_bytes : 0, |
| 778 | (fwd_ctxt) ? fwd_ctxt->write_bytes : 0, |
| 779 | (fwd_ctxt) ? fwd_ctxt->inited : -1, |
| 780 | (fwd_ctxt) ? |
| 781 | atomic_read(&fwd_ctxt->opened) : -1, |
| 782 | (fwd_ctxt) ? fwd_ctxt->ch_open : -1); |
| 783 | bytes_in_buffer += bytes_written; |
| 784 | |
| 785 | /* Check if there is room to add another table entry */ |
| 786 | bytes_remaining = buf_size - bytes_in_buffer; |
| 787 | |
| 788 | if (bytes_remaining < bytes_written) |
| 789 | break; |
| 790 | } |
| 791 | } |
| 792 | diag_dbgfs_glinkinfo_index = i+1; |
| 793 | *ppos = 0; |
| 794 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, bytes_in_buffer); |
| 795 | |
| 796 | kfree(buf); |
| 797 | return ret; |
| 798 | } |
| 799 | |
| 800 | static ssize_t diag_dbgfs_write_debug(struct file *fp, const char __user *buf, |
| 801 | size_t count, loff_t *ppos) |
| 802 | { |
| 803 | const int size = 10; |
| 804 | unsigned char cmd[size]; |
| 805 | long value = 0; |
| 806 | int len = 0; |
| 807 | |
| 808 | if (count < 1) |
| 809 | return -EINVAL; |
| 810 | |
| 811 | len = (count < (size - 1)) ? count : size - 1; |
| 812 | if (copy_from_user(cmd, buf, len)) |
| 813 | return -EFAULT; |
| 814 | |
| 815 | cmd[len] = 0; |
| 816 | if (cmd[len-1] == '\n') { |
| 817 | cmd[len-1] = 0; |
| 818 | len--; |
| 819 | } |
| 820 | |
| 821 | if (kstrtol(cmd, 10, &value)) |
| 822 | return -EINVAL; |
| 823 | |
| 824 | if (value < 0) |
| 825 | return -EINVAL; |
| 826 | |
| 827 | diag_debug_mask = (uint16_t)value; |
| 828 | return count; |
| 829 | } |
| 830 | |
| 831 | #ifdef CONFIG_DIAGFWD_BRIDGE_CODE |
| 832 | #ifdef CONFIG_USB_QCOM_DIAG_BRIDGE |
| 833 | static ssize_t diag_dbgfs_read_hsicinfo(struct file *file, char __user *ubuf, |
| 834 | size_t count, loff_t *ppos) |
| 835 | { |
| 836 | char *buf = NULL; |
| 837 | int ret = 0; |
| 838 | int i = 0; |
| 839 | unsigned int buf_size; |
| 840 | unsigned int bytes_remaining = 0; |
| 841 | unsigned int bytes_written = 0; |
| 842 | unsigned int bytes_in_buffer = 0; |
| 843 | struct diag_hsic_info *hsic_info = NULL; |
| 844 | |
| 845 | if (diag_dbgfs_hsicinfo_index >= NUM_DIAG_USB_DEV) { |
| 846 | /* Done. Reset to prepare for future requests */ |
| 847 | diag_dbgfs_hsicinfo_index = 0; |
| 848 | return 0; |
| 849 | } |
| 850 | |
| 851 | buf = kzalloc(sizeof(char) * DEBUG_BUF_SIZE, GFP_KERNEL); |
| 852 | if (ZERO_OR_NULL_PTR(buf)) { |
| 853 | pr_err("diag: %s, Error allocating memory\n", __func__); |
| 854 | return -ENOMEM; |
| 855 | } |
| 856 | |
| 857 | buf_size = ksize(buf); |
| 858 | bytes_remaining = buf_size; |
| 859 | for (i = diag_dbgfs_hsicinfo_index; i < NUM_HSIC_DEV; i++) { |
| 860 | hsic_info = &diag_hsic[i]; |
| 861 | if (!hsic_info->enabled) |
| 862 | continue; |
| 863 | bytes_written = scnprintf(buf+bytes_in_buffer, bytes_remaining, |
| 864 | "id: %d\n" |
| 865 | "name: %s\n" |
| 866 | "bridge index: %s\n" |
| 867 | "opened: %d\n" |
| 868 | "enabled: %d\n" |
| 869 | "suspended: %d\n" |
| 870 | "mempool: %s\n" |
| 871 | "read work pending: %d\n" |
| 872 | "open work pending: %d\n" |
| 873 | "close work pending: %d\n\n", |
| 874 | hsic_info->id, |
| 875 | hsic_info->name, |
| 876 | DIAG_BRIDGE_GET_NAME(hsic_info->dev_id), |
| 877 | hsic_info->opened, |
| 878 | hsic_info->enabled, |
| 879 | hsic_info->suspended, |
| 880 | DIAG_MEMPOOL_GET_NAME(hsic_info->mempool), |
| 881 | work_pending(&hsic_info->read_work), |
| 882 | work_pending(&hsic_info->open_work), |
| 883 | work_pending(&hsic_info->close_work)); |
| 884 | bytes_in_buffer += bytes_written; |
| 885 | |
| 886 | /* Check if there is room to add another table entry */ |
| 887 | bytes_remaining = buf_size - bytes_in_buffer; |
| 888 | |
| 889 | if (bytes_remaining < bytes_written) |
| 890 | break; |
| 891 | } |
| 892 | diag_dbgfs_hsicinfo_index = i+1; |
| 893 | *ppos = 0; |
| 894 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, bytes_in_buffer); |
| 895 | |
| 896 | kfree(buf); |
| 897 | return ret; |
| 898 | } |
| 899 | |
| 900 | const struct file_operations diag_dbgfs_hsicinfo_ops = { |
| 901 | .read = diag_dbgfs_read_hsicinfo, |
| 902 | }; |
| 903 | #endif |
| 904 | #ifdef CONFIG_MSM_MHI |
| 905 | static ssize_t diag_dbgfs_read_mhiinfo(struct file *file, char __user *ubuf, |
| 906 | size_t count, loff_t *ppos) |
| 907 | { |
| 908 | char *buf = NULL; |
| 909 | int ret = 0; |
| 910 | int i = 0; |
| 911 | unsigned int buf_size; |
| 912 | unsigned int bytes_remaining = 0; |
| 913 | unsigned int bytes_written = 0; |
| 914 | unsigned int bytes_in_buffer = 0; |
| 915 | struct diag_mhi_info *mhi_info = NULL; |
| 916 | |
| 917 | if (diag_dbgfs_mhiinfo_index >= NUM_MHI_DEV) { |
| 918 | /* Done. Reset to prepare for future requests */ |
| 919 | diag_dbgfs_mhiinfo_index = 0; |
| 920 | return 0; |
| 921 | } |
| 922 | |
| 923 | buf = kzalloc(sizeof(char) * DEBUG_BUF_SIZE, GFP_KERNEL); |
| 924 | if (ZERO_OR_NULL_PTR(buf)) { |
| 925 | pr_err("diag: %s, Error allocating memory\n", __func__); |
| 926 | return -ENOMEM; |
| 927 | } |
| 928 | |
| 929 | buf_size = ksize(buf); |
| 930 | bytes_remaining = buf_size; |
| 931 | for (i = diag_dbgfs_mhiinfo_index; i < NUM_MHI_DEV; i++) { |
| 932 | mhi_info = &diag_mhi[i]; |
| 933 | bytes_written = scnprintf(buf+bytes_in_buffer, bytes_remaining, |
| 934 | "id: %d\n" |
| 935 | "name: %s\n" |
| 936 | "bridge index: %s\n" |
| 937 | "mempool: %s\n" |
| 938 | "read ch opened: %d\n" |
| 939 | "read ch hdl: %pK\n" |
| 940 | "write ch opened: %d\n" |
| 941 | "write ch hdl: %pK\n" |
| 942 | "read work pending: %d\n" |
| 943 | "read done work pending: %d\n" |
| 944 | "open work pending: %d\n" |
| 945 | "close work pending: %d\n\n", |
| 946 | mhi_info->id, |
| 947 | mhi_info->name, |
| 948 | DIAG_BRIDGE_GET_NAME(mhi_info->dev_id), |
| 949 | DIAG_MEMPOOL_GET_NAME(mhi_info->mempool), |
| 950 | atomic_read(&mhi_info->read_ch.opened), |
| 951 | mhi_info->read_ch.hdl, |
| 952 | atomic_read(&mhi_info->write_ch.opened), |
| 953 | mhi_info->write_ch.hdl, |
| 954 | work_pending(&mhi_info->read_work), |
| 955 | work_pending(&mhi_info->read_done_work), |
| 956 | work_pending(&mhi_info->open_work), |
| 957 | work_pending(&mhi_info->close_work)); |
| 958 | bytes_in_buffer += bytes_written; |
| 959 | |
| 960 | /* Check if there is room to add another table entry */ |
| 961 | bytes_remaining = buf_size - bytes_in_buffer; |
| 962 | |
| 963 | if (bytes_remaining < bytes_written) |
| 964 | break; |
| 965 | } |
| 966 | diag_dbgfs_mhiinfo_index = i+1; |
| 967 | *ppos = 0; |
| 968 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, bytes_in_buffer); |
| 969 | |
| 970 | kfree(buf); |
| 971 | return ret; |
| 972 | } |
| 973 | |
| 974 | |
| 975 | const struct file_operations diag_dbgfs_mhiinfo_ops = { |
| 976 | .read = diag_dbgfs_read_mhiinfo, |
| 977 | }; |
| 978 | |
| 979 | #endif |
| 980 | static ssize_t diag_dbgfs_read_bridge(struct file *file, char __user *ubuf, |
| 981 | size_t count, loff_t *ppos) |
| 982 | { |
| 983 | char *buf = NULL; |
| 984 | int ret = 0; |
| 985 | int i = 0; |
| 986 | unsigned int buf_size; |
| 987 | unsigned int bytes_remaining = 0; |
| 988 | unsigned int bytes_written = 0; |
| 989 | unsigned int bytes_in_buffer = 0; |
| 990 | struct diagfwd_bridge_info *info = NULL; |
| 991 | |
| 992 | if (diag_dbgfs_bridgeinfo_index >= NUM_DIAG_USB_DEV) { |
| 993 | /* Done. Reset to prepare for future requests */ |
| 994 | diag_dbgfs_bridgeinfo_index = 0; |
| 995 | return 0; |
| 996 | } |
| 997 | |
| 998 | buf = kzalloc(sizeof(char) * DEBUG_BUF_SIZE, GFP_KERNEL); |
| 999 | if (ZERO_OR_NULL_PTR(buf)) { |
| 1000 | pr_err("diag: %s, Error allocating memory\n", __func__); |
| 1001 | return -ENOMEM; |
| 1002 | } |
| 1003 | |
| 1004 | buf_size = ksize(buf); |
| 1005 | bytes_remaining = buf_size; |
| 1006 | for (i = diag_dbgfs_bridgeinfo_index; i < NUM_REMOTE_DEV; i++) { |
| 1007 | info = &bridge_info[i]; |
| 1008 | if (!info->inited) |
| 1009 | continue; |
| 1010 | bytes_written = scnprintf(buf+bytes_in_buffer, bytes_remaining, |
| 1011 | "id: %d\n" |
| 1012 | "name: %s\n" |
| 1013 | "type: %d\n" |
| 1014 | "inited: %d\n" |
| 1015 | "ctxt: %d\n" |
| 1016 | "dev_ops: %pK\n" |
| 1017 | "dci_read_buf: %pK\n" |
| 1018 | "dci_read_ptr: %pK\n" |
| 1019 | "dci_read_len: %d\n\n", |
| 1020 | info->id, |
| 1021 | info->name, |
| 1022 | info->type, |
| 1023 | info->inited, |
| 1024 | info->ctxt, |
| 1025 | info->dev_ops, |
| 1026 | info->dci_read_buf, |
| 1027 | info->dci_read_ptr, |
| 1028 | info->dci_read_len); |
| 1029 | bytes_in_buffer += bytes_written; |
| 1030 | |
| 1031 | /* Check if there is room to add another table entry */ |
| 1032 | bytes_remaining = buf_size - bytes_in_buffer; |
| 1033 | |
| 1034 | if (bytes_remaining < bytes_written) |
| 1035 | break; |
| 1036 | } |
| 1037 | diag_dbgfs_bridgeinfo_index = i+1; |
| 1038 | *ppos = 0; |
| 1039 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, bytes_in_buffer); |
| 1040 | |
| 1041 | kfree(buf); |
| 1042 | return ret; |
| 1043 | } |
| 1044 | |
| 1045 | const struct file_operations diag_dbgfs_bridge_ops = { |
| 1046 | .read = diag_dbgfs_read_bridge, |
| 1047 | }; |
| 1048 | |
| 1049 | #endif |
| 1050 | |
| 1051 | const struct file_operations diag_dbgfs_status_ops = { |
| 1052 | .read = diag_dbgfs_read_status, |
| 1053 | }; |
| 1054 | |
Hardik Arya | d6da1cb | 2017-11-23 20:40:55 +0530 | [diff] [blame] | 1055 | #ifdef CONFIG_DIAG_USES_SMD |
| 1056 | static const struct file_operations diag_dbgfs_smdinfo_ops = { |
| 1057 | .read = diag_dbgfs_read_smdinfo, |
| 1058 | }; |
| 1059 | #endif |
| 1060 | |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1061 | const struct file_operations diag_dbgfs_socketinfo_ops = { |
| 1062 | .read = diag_dbgfs_read_socketinfo, |
| 1063 | }; |
| 1064 | |
| 1065 | const struct file_operations diag_dbgfs_glinkinfo_ops = { |
| 1066 | .read = diag_dbgfs_read_glinkinfo, |
| 1067 | }; |
| 1068 | |
| 1069 | const struct file_operations diag_dbgfs_table_ops = { |
| 1070 | .read = diag_dbgfs_read_table, |
| 1071 | }; |
| 1072 | |
| 1073 | const struct file_operations diag_dbgfs_mempool_ops = { |
| 1074 | .read = diag_dbgfs_read_mempool, |
| 1075 | }; |
| 1076 | |
| 1077 | const struct file_operations diag_dbgfs_usbinfo_ops = { |
| 1078 | .read = diag_dbgfs_read_usbinfo, |
| 1079 | }; |
| 1080 | |
| 1081 | const struct file_operations diag_dbgfs_dcistats_ops = { |
| 1082 | .read = diag_dbgfs_read_dcistats, |
| 1083 | }; |
| 1084 | |
| 1085 | const struct file_operations diag_dbgfs_power_ops = { |
| 1086 | .read = diag_dbgfs_read_power, |
| 1087 | }; |
| 1088 | |
| 1089 | const struct file_operations diag_dbgfs_debug_ops = { |
| 1090 | .write = diag_dbgfs_write_debug |
| 1091 | }; |
| 1092 | |
| 1093 | int diag_debugfs_init(void) |
| 1094 | { |
| 1095 | struct dentry *entry = NULL; |
| 1096 | |
| 1097 | diag_dbgfs_dent = debugfs_create_dir("diag", 0); |
| 1098 | if (IS_ERR(diag_dbgfs_dent)) |
| 1099 | return -ENOMEM; |
| 1100 | |
| 1101 | entry = debugfs_create_file("status", 0444, diag_dbgfs_dent, 0, |
| 1102 | &diag_dbgfs_status_ops); |
| 1103 | if (!entry) |
| 1104 | goto err; |
| 1105 | |
Hardik Arya | d6da1cb | 2017-11-23 20:40:55 +0530 | [diff] [blame] | 1106 | #ifdef CONFIG_DIAG_USES_SMD |
| 1107 | entry = debugfs_create_file("smdinfo", 0444, diag_dbgfs_dent, NULL, |
| 1108 | &diag_dbgfs_smdinfo_ops); |
| 1109 | if (!entry) |
| 1110 | goto err; |
| 1111 | #endif |
| 1112 | |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1113 | entry = debugfs_create_file("socketinfo", 0444, diag_dbgfs_dent, 0, |
| 1114 | &diag_dbgfs_socketinfo_ops); |
| 1115 | if (!entry) |
| 1116 | goto err; |
| 1117 | |
| 1118 | entry = debugfs_create_file("glinkinfo", 0444, diag_dbgfs_dent, 0, |
| 1119 | &diag_dbgfs_glinkinfo_ops); |
| 1120 | if (!entry) |
| 1121 | goto err; |
| 1122 | |
| 1123 | entry = debugfs_create_file("table", 0444, diag_dbgfs_dent, 0, |
| 1124 | &diag_dbgfs_table_ops); |
| 1125 | if (!entry) |
| 1126 | goto err; |
| 1127 | |
| 1128 | entry = debugfs_create_file("mempool", 0444, diag_dbgfs_dent, 0, |
| 1129 | &diag_dbgfs_mempool_ops); |
| 1130 | if (!entry) |
| 1131 | goto err; |
| 1132 | |
| 1133 | entry = debugfs_create_file("usbinfo", 0444, diag_dbgfs_dent, 0, |
| 1134 | &diag_dbgfs_usbinfo_ops); |
| 1135 | if (!entry) |
| 1136 | goto err; |
| 1137 | |
| 1138 | entry = debugfs_create_file("dci_stats", 0444, diag_dbgfs_dent, 0, |
| 1139 | &diag_dbgfs_dcistats_ops); |
| 1140 | if (!entry) |
| 1141 | goto err; |
| 1142 | |
| 1143 | entry = debugfs_create_file("power", 0444, diag_dbgfs_dent, 0, |
| 1144 | &diag_dbgfs_power_ops); |
| 1145 | if (!entry) |
| 1146 | goto err; |
| 1147 | |
| 1148 | entry = debugfs_create_file("debug", 0444, diag_dbgfs_dent, 0, |
| 1149 | &diag_dbgfs_debug_ops); |
| 1150 | if (!entry) |
| 1151 | goto err; |
| 1152 | |
| 1153 | #ifdef CONFIG_DIAGFWD_BRIDGE_CODE |
| 1154 | entry = debugfs_create_file("bridge", 0444, diag_dbgfs_dent, 0, |
| 1155 | &diag_dbgfs_bridge_ops); |
| 1156 | if (!entry) |
| 1157 | goto err; |
| 1158 | #ifdef CONFIG_USB_QCOM_DIAG_BRIDGE |
| 1159 | entry = debugfs_create_file("hsicinfo", 0444, diag_dbgfs_dent, 0, |
| 1160 | &diag_dbgfs_hsicinfo_ops); |
| 1161 | if (!entry) |
| 1162 | goto err; |
| 1163 | #endif |
| 1164 | #ifdef CONFIG_MSM_MHI |
| 1165 | entry = debugfs_create_file("mhiinfo", 0444, diag_dbgfs_dent, 0, |
| 1166 | &diag_dbgfs_mhiinfo_ops); |
| 1167 | if (!entry) |
| 1168 | goto err; |
| 1169 | #endif |
| 1170 | #endif |
| 1171 | diag_dbgfs_table_index = 0; |
| 1172 | diag_dbgfs_mempool_index = 0; |
| 1173 | diag_dbgfs_usbinfo_index = 0; |
Hardik Arya | d6da1cb | 2017-11-23 20:40:55 +0530 | [diff] [blame] | 1174 | diag_dbgfs_smdinfo_index = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1175 | diag_dbgfs_socketinfo_index = 0; |
| 1176 | diag_dbgfs_hsicinfo_index = 0; |
| 1177 | diag_dbgfs_bridgeinfo_index = 0; |
| 1178 | diag_dbgfs_mhiinfo_index = 0; |
| 1179 | diag_dbgfs_finished = 0; |
| 1180 | diag_dbgfs_dci_data_index = 0; |
| 1181 | diag_dbgfs_dci_finished = 0; |
| 1182 | |
| 1183 | /* DCI related structures */ |
| 1184 | dci_traffic = kzalloc(sizeof(struct diag_dci_data_info) * |
| 1185 | DIAG_DCI_DEBUG_CNT, GFP_KERNEL); |
| 1186 | if (ZERO_OR_NULL_PTR(dci_traffic)) |
| 1187 | pr_warn("diag: could not allocate memory for dci debug info\n"); |
| 1188 | |
| 1189 | mutex_init(&dci_stat_mutex); |
Sreelakshmi Gownipalli | 13e8367 | 2017-10-09 12:59:56 -0700 | [diff] [blame] | 1190 | mutex_init(&diag_dci_dbgfs_mutex); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1191 | return 0; |
| 1192 | err: |
| 1193 | kfree(dci_traffic); |
| 1194 | debugfs_remove_recursive(diag_dbgfs_dent); |
| 1195 | return -ENOMEM; |
| 1196 | } |
| 1197 | |
| 1198 | void diag_debugfs_cleanup(void) |
| 1199 | { |
| 1200 | debugfs_remove_recursive(diag_dbgfs_dent); |
| 1201 | diag_dbgfs_dent = NULL; |
| 1202 | kfree(dci_traffic); |
| 1203 | mutex_destroy(&dci_stat_mutex); |
Sreelakshmi Gownipalli | 13e8367 | 2017-10-09 12:59:56 -0700 | [diff] [blame] | 1204 | mutex_destroy(&diag_dci_dbgfs_mutex); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1205 | } |
| 1206 | #else |
| 1207 | int diag_debugfs_init(void) { return 0; } |
| 1208 | void diag_debugfs_cleanup(void) { } |
| 1209 | #endif |