Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2008-2018, 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 | #include <linux/slab.h> |
| 14 | #include <linux/delay.h> |
| 15 | #include <linux/diagchar.h> |
| 16 | #include <linux/kmemleak.h> |
| 17 | #include <linux/workqueue.h> |
| 18 | #include <linux/uaccess.h> |
| 19 | #include "diagchar.h" |
| 20 | #include "diagfwd_cntl.h" |
| 21 | #include "diag_masks.h" |
| 22 | #include "diagfwd_peripheral.h" |
| 23 | #include "diag_ipc_logging.h" |
| 24 | |
| 25 | #define ALL_EQUIP_ID 100 |
| 26 | #define ALL_SSID -1 |
| 27 | |
| 28 | #define DIAG_SET_FEATURE_MASK(x) (feature_bytes[(x)/8] |= (1 << (x & 0x7))) |
| 29 | |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 30 | struct diag_mask_info msg_mask; |
| 31 | struct diag_mask_info msg_bt_mask; |
| 32 | struct diag_mask_info log_mask; |
| 33 | struct diag_mask_info event_mask; |
| 34 | |
| 35 | static const struct diag_ssid_range_t msg_mask_tbl[] = { |
| 36 | { .ssid_first = MSG_SSID_0, .ssid_last = MSG_SSID_0_LAST }, |
| 37 | { .ssid_first = MSG_SSID_1, .ssid_last = MSG_SSID_1_LAST }, |
| 38 | { .ssid_first = MSG_SSID_2, .ssid_last = MSG_SSID_2_LAST }, |
| 39 | { .ssid_first = MSG_SSID_3, .ssid_last = MSG_SSID_3_LAST }, |
| 40 | { .ssid_first = MSG_SSID_4, .ssid_last = MSG_SSID_4_LAST }, |
| 41 | { .ssid_first = MSG_SSID_5, .ssid_last = MSG_SSID_5_LAST }, |
| 42 | { .ssid_first = MSG_SSID_6, .ssid_last = MSG_SSID_6_LAST }, |
| 43 | { .ssid_first = MSG_SSID_7, .ssid_last = MSG_SSID_7_LAST }, |
| 44 | { .ssid_first = MSG_SSID_8, .ssid_last = MSG_SSID_8_LAST }, |
| 45 | { .ssid_first = MSG_SSID_9, .ssid_last = MSG_SSID_9_LAST }, |
| 46 | { .ssid_first = MSG_SSID_10, .ssid_last = MSG_SSID_10_LAST }, |
| 47 | { .ssid_first = MSG_SSID_11, .ssid_last = MSG_SSID_11_LAST }, |
| 48 | { .ssid_first = MSG_SSID_12, .ssid_last = MSG_SSID_12_LAST }, |
| 49 | { .ssid_first = MSG_SSID_13, .ssid_last = MSG_SSID_13_LAST }, |
| 50 | { .ssid_first = MSG_SSID_14, .ssid_last = MSG_SSID_14_LAST }, |
| 51 | { .ssid_first = MSG_SSID_15, .ssid_last = MSG_SSID_15_LAST }, |
| 52 | { .ssid_first = MSG_SSID_16, .ssid_last = MSG_SSID_16_LAST }, |
| 53 | { .ssid_first = MSG_SSID_17, .ssid_last = MSG_SSID_17_LAST }, |
| 54 | { .ssid_first = MSG_SSID_18, .ssid_last = MSG_SSID_18_LAST }, |
| 55 | { .ssid_first = MSG_SSID_19, .ssid_last = MSG_SSID_19_LAST }, |
| 56 | { .ssid_first = MSG_SSID_20, .ssid_last = MSG_SSID_20_LAST }, |
| 57 | { .ssid_first = MSG_SSID_21, .ssid_last = MSG_SSID_21_LAST }, |
| 58 | { .ssid_first = MSG_SSID_22, .ssid_last = MSG_SSID_22_LAST }, |
| 59 | { .ssid_first = MSG_SSID_23, .ssid_last = MSG_SSID_23_LAST }, |
Chris Lew | d731640 | 2017-06-19 15:42:50 -0700 | [diff] [blame] | 60 | { .ssid_first = MSG_SSID_24, .ssid_last = MSG_SSID_24_LAST }, |
| 61 | { .ssid_first = MSG_SSID_25, .ssid_last = MSG_SSID_25_LAST } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 62 | }; |
| 63 | |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 64 | static int diag_check_update(int md_peripheral, int pid) |
| 65 | { |
| 66 | int ret; |
| 67 | struct diag_md_session_t *info = NULL; |
| 68 | |
| 69 | mutex_lock(&driver->md_session_lock); |
| 70 | info = diag_md_session_get_pid(pid); |
| 71 | ret = (!info || (info && |
| 72 | (info->peripheral_mask & MD_PERIPHERAL_MASK(md_peripheral)))); |
| 73 | mutex_unlock(&driver->md_session_lock); |
| 74 | |
| 75 | return ret; |
| 76 | } |
| 77 | |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 78 | static int diag_apps_responds(void) |
| 79 | { |
| 80 | /* |
| 81 | * Apps processor should respond to mask commands only if the |
| 82 | * Modem channel is up, the feature mask is received from Modem |
| 83 | * and if Modem supports Mask Centralization. |
| 84 | */ |
| 85 | if (!chk_apps_only()) |
| 86 | return 0; |
| 87 | |
| 88 | if (driver->diagfwd_cntl[PERIPHERAL_MODEM] && |
| 89 | driver->diagfwd_cntl[PERIPHERAL_MODEM]->ch_open && |
| 90 | driver->feature[PERIPHERAL_MODEM].rcvd_feature_mask) { |
| 91 | if (driver->feature[PERIPHERAL_MODEM].mask_centralization) |
| 92 | return 1; |
| 93 | return 0; |
| 94 | } |
| 95 | return 1; |
| 96 | } |
| 97 | |
| 98 | static void diag_send_log_mask_update(uint8_t peripheral, int equip_id) |
| 99 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 100 | int err = 0, send_once = 0, i; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 101 | int header_len = sizeof(struct diag_ctrl_log_mask); |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 102 | uint8_t *buf = NULL, *temp = NULL; |
| 103 | uint8_t upd = 0; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 104 | uint32_t mask_size = 0, pd_mask = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 105 | struct diag_ctrl_log_mask ctrl_pkt; |
| 106 | struct diag_mask_info *mask_info = NULL; |
| 107 | struct diag_log_mask_t *mask = NULL; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 108 | struct diagfwd_info *fwd_info = NULL; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 109 | |
| 110 | if (peripheral >= NUM_PERIPHERALS) |
| 111 | return; |
| 112 | |
| 113 | if (!driver->diagfwd_cntl[peripheral] || |
| 114 | !driver->diagfwd_cntl[peripheral]->ch_open) { |
| 115 | pr_debug("diag: In %s, control channel is not open, p: %d\n", |
| 116 | __func__, peripheral); |
| 117 | return; |
| 118 | } |
| 119 | |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 120 | MD_PERIPHERAL_PD_MASK(TYPE_CNTL, peripheral, pd_mask); |
| 121 | |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 122 | if (driver->md_session_mask != 0) { |
| 123 | if (driver->md_session_mask & MD_PERIPHERAL_MASK(peripheral)) { |
| 124 | if (driver->md_session_map[peripheral]) |
| 125 | mask_info = |
| 126 | driver->md_session_map[peripheral]->log_mask; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 127 | } else if (driver->md_session_mask & pd_mask) { |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 128 | upd = diag_mask_to_pd_value(driver->md_session_mask); |
| 129 | if (upd && driver->md_session_map[upd]) |
| 130 | mask_info = |
| 131 | driver->md_session_map[upd]->log_mask; |
| 132 | } else { |
| 133 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 134 | "asking for mask update with unknown session mask\n"); |
| 135 | return; |
| 136 | } |
| 137 | } else { |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 138 | mask_info = &log_mask; |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 139 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 140 | |
Mohit Aggarwal | 9d2727a | 2017-03-06 10:46:20 +0530 | [diff] [blame] | 141 | if (!mask_info || !mask_info->ptr || !mask_info->update_buf) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 142 | return; |
| 143 | |
| 144 | mask = (struct diag_log_mask_t *)mask_info->ptr; |
Mohit Aggarwal | 9d2727a | 2017-03-06 10:46:20 +0530 | [diff] [blame] | 145 | if (!mask->ptr) |
| 146 | return; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 147 | buf = mask_info->update_buf; |
| 148 | |
| 149 | switch (mask_info->status) { |
| 150 | case DIAG_CTRL_MASK_ALL_DISABLED: |
| 151 | ctrl_pkt.equip_id = 0; |
| 152 | ctrl_pkt.num_items = 0; |
| 153 | ctrl_pkt.log_mask_size = 0; |
| 154 | send_once = 1; |
| 155 | break; |
| 156 | case DIAG_CTRL_MASK_ALL_ENABLED: |
| 157 | ctrl_pkt.equip_id = 0; |
| 158 | ctrl_pkt.num_items = 0; |
| 159 | ctrl_pkt.log_mask_size = 0; |
| 160 | send_once = 1; |
| 161 | break; |
| 162 | case DIAG_CTRL_MASK_VALID: |
| 163 | send_once = 0; |
| 164 | break; |
| 165 | default: |
| 166 | pr_debug("diag: In %s, invalid log_mask status\n", __func__); |
| 167 | return; |
| 168 | } |
| 169 | |
| 170 | mutex_lock(&mask_info->lock); |
| 171 | for (i = 0; i < MAX_EQUIP_ID; i++, mask++) { |
| 172 | if (equip_id != i && equip_id != ALL_EQUIP_ID) |
| 173 | continue; |
| 174 | |
| 175 | mutex_lock(&mask->lock); |
| 176 | ctrl_pkt.cmd_type = DIAG_CTRL_MSG_LOG_MASK; |
| 177 | ctrl_pkt.stream_id = 1; |
| 178 | ctrl_pkt.status = mask_info->status; |
| 179 | if (mask_info->status == DIAG_CTRL_MASK_VALID) { |
| 180 | mask_size = LOG_ITEMS_TO_SIZE(mask->num_items_tools); |
| 181 | ctrl_pkt.equip_id = i; |
| 182 | ctrl_pkt.num_items = mask->num_items_tools; |
| 183 | ctrl_pkt.log_mask_size = mask_size; |
| 184 | } |
| 185 | ctrl_pkt.data_len = LOG_MASK_CTRL_HEADER_LEN + mask_size; |
| 186 | |
| 187 | if (header_len + mask_size > mask_info->update_buf_len) { |
| 188 | temp = krealloc(buf, header_len + mask_size, |
| 189 | GFP_KERNEL); |
| 190 | if (!temp) { |
| 191 | pr_err_ratelimited("diag: Unable to realloc log update buffer, new size: %d, equip_id: %d\n", |
| 192 | header_len + mask_size, equip_id); |
| 193 | mutex_unlock(&mask->lock); |
| 194 | break; |
| 195 | } |
| 196 | mask_info->update_buf = temp; |
| 197 | mask_info->update_buf_len = header_len + mask_size; |
| 198 | } |
| 199 | |
| 200 | memcpy(buf, &ctrl_pkt, header_len); |
| 201 | if (mask_size > 0) |
| 202 | memcpy(buf + header_len, mask->ptr, mask_size); |
| 203 | mutex_unlock(&mask->lock); |
| 204 | |
| 205 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 206 | "sending ctrl pkt to %d, e %d num_items %d size %d\n", |
| 207 | peripheral, i, ctrl_pkt.num_items, |
| 208 | ctrl_pkt.log_mask_size); |
| 209 | |
| 210 | err = diagfwd_write(peripheral, TYPE_CNTL, |
| 211 | buf, header_len + mask_size); |
| 212 | if (err && err != -ENODEV) |
| 213 | pr_err_ratelimited("diag: Unable to send log masks to peripheral %d, equip_id: %d, err: %d\n", |
| 214 | peripheral, i, err); |
| 215 | if (send_once || equip_id != ALL_EQUIP_ID) |
| 216 | break; |
| 217 | |
| 218 | } |
| 219 | mutex_unlock(&mask_info->lock); |
| 220 | } |
| 221 | |
| 222 | static void diag_send_event_mask_update(uint8_t peripheral) |
| 223 | { |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 224 | uint8_t *buf = NULL, *temp = NULL; |
| 225 | uint8_t upd = 0; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 226 | uint32_t pd_mask = 0; |
| 227 | int num_bytes = EVENT_COUNT_TO_BYTES(driver->last_event_id); |
| 228 | int write_len = 0, err = 0, i = 0, temp_len = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 229 | struct diag_ctrl_event_mask header; |
| 230 | struct diag_mask_info *mask_info = NULL; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 231 | struct diagfwd_info *fwd_info = NULL; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 232 | |
| 233 | if (num_bytes <= 0 || num_bytes > driver->event_mask_size) { |
| 234 | pr_debug("diag: In %s, invalid event mask length %d\n", |
| 235 | __func__, num_bytes); |
| 236 | return; |
| 237 | } |
| 238 | |
| 239 | if (peripheral >= NUM_PERIPHERALS) |
| 240 | return; |
| 241 | |
| 242 | if (!driver->diagfwd_cntl[peripheral] || |
| 243 | !driver->diagfwd_cntl[peripheral]->ch_open) { |
| 244 | pr_debug("diag: In %s, control channel is not open, p: %d\n", |
| 245 | __func__, peripheral); |
| 246 | return; |
| 247 | } |
| 248 | |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 249 | MD_PERIPHERAL_PD_MASK(TYPE_CNTL, peripheral, pd_mask); |
| 250 | |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 251 | if (driver->md_session_mask != 0) { |
| 252 | if (driver->md_session_mask & MD_PERIPHERAL_MASK(peripheral)) { |
| 253 | if (driver->md_session_map[peripheral]) |
| 254 | mask_info = |
| 255 | driver->md_session_map[peripheral]->event_mask; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 256 | } else if (driver->md_session_mask & pd_mask) { |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 257 | upd = diag_mask_to_pd_value(driver->md_session_mask); |
| 258 | if (upd && driver->md_session_map[upd]) |
| 259 | mask_info = |
| 260 | driver->md_session_map[upd]->event_mask; |
| 261 | } else { |
| 262 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 263 | "asking for mask update with unknown session mask\n"); |
| 264 | return; |
| 265 | } |
| 266 | } else { |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 267 | mask_info = &event_mask; |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 268 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 269 | |
Mohit Aggarwal | 9d2727a | 2017-03-06 10:46:20 +0530 | [diff] [blame] | 270 | if (!mask_info || !mask_info->ptr || !mask_info->update_buf) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 271 | return; |
| 272 | |
| 273 | buf = mask_info->update_buf; |
| 274 | mutex_lock(&mask_info->lock); |
| 275 | header.cmd_type = DIAG_CTRL_MSG_EVENT_MASK; |
| 276 | header.stream_id = 1; |
| 277 | header.status = mask_info->status; |
| 278 | |
| 279 | switch (mask_info->status) { |
| 280 | case DIAG_CTRL_MASK_ALL_DISABLED: |
| 281 | header.event_config = 0; |
| 282 | header.event_mask_size = 0; |
| 283 | break; |
| 284 | case DIAG_CTRL_MASK_ALL_ENABLED: |
| 285 | header.event_config = 1; |
| 286 | header.event_mask_size = 0; |
| 287 | break; |
| 288 | case DIAG_CTRL_MASK_VALID: |
| 289 | header.event_config = 1; |
| 290 | header.event_mask_size = num_bytes; |
| 291 | if (num_bytes + sizeof(header) > mask_info->update_buf_len) { |
| 292 | temp_len = num_bytes + sizeof(header); |
| 293 | temp = krealloc(buf, temp_len, GFP_KERNEL); |
| 294 | if (!temp) { |
| 295 | pr_err("diag: Unable to realloc event mask update buffer\n"); |
| 296 | goto err; |
| 297 | } else { |
| 298 | mask_info->update_buf = temp; |
| 299 | mask_info->update_buf_len = temp_len; |
| 300 | } |
| 301 | } |
| 302 | memcpy(buf + sizeof(header), mask_info->ptr, num_bytes); |
| 303 | write_len += num_bytes; |
| 304 | break; |
| 305 | default: |
| 306 | pr_debug("diag: In %s, invalid status %d\n", __func__, |
| 307 | mask_info->status); |
| 308 | goto err; |
| 309 | } |
| 310 | header.data_len = EVENT_MASK_CTRL_HEADER_LEN + header.event_mask_size; |
| 311 | memcpy(buf, &header, sizeof(header)); |
| 312 | write_len += sizeof(header); |
| 313 | |
| 314 | err = diagfwd_write(peripheral, TYPE_CNTL, buf, write_len); |
| 315 | if (err && err != -ENODEV) |
| 316 | pr_err_ratelimited("diag: Unable to send event masks to peripheral %d\n", |
| 317 | peripheral); |
| 318 | err: |
| 319 | mutex_unlock(&mask_info->lock); |
| 320 | } |
| 321 | |
| 322 | static void diag_send_msg_mask_update(uint8_t peripheral, int first, int last) |
| 323 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 324 | int i, err = 0, temp_len = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 325 | int header_len = sizeof(struct diag_ctrl_msg_mask); |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 326 | uint8_t *buf = NULL, *temp = NULL; |
| 327 | uint8_t upd = 0; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 328 | uint8_t msg_mask_tbl_count_local; |
| 329 | uint32_t mask_size = 0, pd_mask = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 330 | struct diag_mask_info *mask_info = NULL; |
| 331 | struct diag_msg_mask_t *mask = NULL; |
| 332 | struct diag_ctrl_msg_mask header; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 333 | struct diagfwd_info *fwd_info = NULL; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 334 | |
| 335 | if (peripheral >= NUM_PERIPHERALS) |
| 336 | return; |
| 337 | |
| 338 | if (!driver->diagfwd_cntl[peripheral] || |
| 339 | !driver->diagfwd_cntl[peripheral]->ch_open) { |
| 340 | pr_debug("diag: In %s, control channel is not open, p: %d\n", |
| 341 | __func__, peripheral); |
| 342 | return; |
| 343 | } |
| 344 | |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 345 | MD_PERIPHERAL_PD_MASK(TYPE_CNTL, peripheral, pd_mask); |
| 346 | |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 347 | if (driver->md_session_mask != 0) { |
| 348 | if (driver->md_session_mask & MD_PERIPHERAL_MASK(peripheral)) { |
| 349 | if (driver->md_session_map[peripheral]) |
| 350 | mask_info = |
| 351 | driver->md_session_map[peripheral]->msg_mask; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 352 | } else if (driver->md_session_mask & pd_mask) { |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 353 | upd = diag_mask_to_pd_value(driver->md_session_mask); |
| 354 | if (upd && driver->md_session_map[upd]) |
| 355 | mask_info = |
| 356 | driver->md_session_map[upd]->msg_mask; |
| 357 | } else { |
| 358 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 359 | "asking for mask update with unknown session mask\n"); |
| 360 | return; |
| 361 | } |
| 362 | } else { |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 363 | mask_info = &msg_mask; |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 364 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 365 | |
Mohit Aggarwal | 9d2727a | 2017-03-06 10:46:20 +0530 | [diff] [blame] | 366 | if (!mask_info || !mask_info->ptr || !mask_info->update_buf) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 367 | return; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 368 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 369 | mask = (struct diag_msg_mask_t *)mask_info->ptr; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 370 | if (!mask->ptr) { |
| 371 | mutex_unlock(&driver->msg_mask_lock); |
Mohit Aggarwal | 9d2727a | 2017-03-06 10:46:20 +0530 | [diff] [blame] | 372 | return; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 373 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 374 | buf = mask_info->update_buf; |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 375 | msg_mask_tbl_count_local = driver->msg_mask_tbl_count; |
| 376 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 377 | mutex_lock(&mask_info->lock); |
| 378 | switch (mask_info->status) { |
| 379 | case DIAG_CTRL_MASK_ALL_DISABLED: |
| 380 | mask_size = 0; |
| 381 | break; |
| 382 | case DIAG_CTRL_MASK_ALL_ENABLED: |
| 383 | mask_size = 1; |
| 384 | break; |
| 385 | case DIAG_CTRL_MASK_VALID: |
| 386 | break; |
| 387 | default: |
| 388 | pr_debug("diag: In %s, invalid status: %d\n", __func__, |
| 389 | mask_info->status); |
| 390 | goto err; |
| 391 | } |
| 392 | |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 393 | for (i = 0; i < msg_mask_tbl_count_local; i++, mask++) { |
| 394 | mutex_lock(&driver->msg_mask_lock); |
| 395 | if (((mask->ssid_first > first) || |
| 396 | (mask->ssid_last_tools < last)) && first != ALL_SSID) { |
| 397 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 398 | continue; |
| 399 | } |
| 400 | |
| 401 | mutex_lock(&mask->lock); |
| 402 | if (mask_info->status == DIAG_CTRL_MASK_VALID) { |
| 403 | mask_size = |
| 404 | mask->ssid_last_tools - mask->ssid_first + 1; |
| 405 | temp_len = mask_size * sizeof(uint32_t); |
| 406 | if (temp_len + header_len <= mask_info->update_buf_len) |
| 407 | goto proceed; |
| 408 | temp = krealloc(mask_info->update_buf, temp_len, |
| 409 | GFP_KERNEL); |
| 410 | if (!temp) { |
| 411 | pr_err("diag: In %s, unable to realloc msg_mask update buffer\n", |
| 412 | __func__); |
| 413 | mask_size = (mask_info->update_buf_len - |
| 414 | header_len) / sizeof(uint32_t); |
| 415 | } else { |
| 416 | mask_info->update_buf = temp; |
| 417 | mask_info->update_buf_len = temp_len; |
| 418 | pr_debug("diag: In %s, successfully reallocated msg_mask update buffer to len: %d\n", |
| 419 | __func__, mask_info->update_buf_len); |
| 420 | } |
| 421 | } else if (mask_info->status == DIAG_CTRL_MASK_ALL_ENABLED) { |
| 422 | mask_size = 1; |
| 423 | } |
| 424 | proceed: |
| 425 | header.cmd_type = DIAG_CTRL_MSG_F3_MASK; |
| 426 | header.status = mask_info->status; |
| 427 | header.stream_id = 1; |
| 428 | header.msg_mode = 0; |
| 429 | header.ssid_first = mask->ssid_first; |
| 430 | header.ssid_last = mask->ssid_last_tools; |
| 431 | header.msg_mask_size = mask_size; |
| 432 | mask_size *= sizeof(uint32_t); |
| 433 | header.data_len = MSG_MASK_CTRL_HEADER_LEN + mask_size; |
| 434 | memcpy(buf, &header, header_len); |
| 435 | if (mask_size > 0) |
| 436 | memcpy(buf + header_len, mask->ptr, mask_size); |
| 437 | mutex_unlock(&mask->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 438 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 439 | |
| 440 | err = diagfwd_write(peripheral, TYPE_CNTL, buf, |
| 441 | header_len + mask_size); |
| 442 | if (err && err != -ENODEV) |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 443 | pr_err_ratelimited("diag: Unable to send msg masks to peripheral %d, error = %d\n", |
| 444 | peripheral, err); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 445 | |
| 446 | if (first != ALL_SSID) |
| 447 | break; |
| 448 | } |
| 449 | err: |
| 450 | mutex_unlock(&mask_info->lock); |
| 451 | } |
| 452 | |
| 453 | static void diag_send_time_sync_update(uint8_t peripheral) |
| 454 | { |
| 455 | struct diag_ctrl_msg_time_sync time_sync_msg; |
| 456 | int msg_size = sizeof(struct diag_ctrl_msg_time_sync); |
| 457 | int err = 0; |
| 458 | |
| 459 | if (peripheral >= NUM_PERIPHERALS) { |
| 460 | pr_err("diag: In %s, Invalid peripheral, %d\n", |
| 461 | __func__, peripheral); |
| 462 | return; |
| 463 | } |
| 464 | |
| 465 | if (!driver->diagfwd_cntl[peripheral] || |
| 466 | !driver->diagfwd_cntl[peripheral]->ch_open) { |
| 467 | pr_err("diag: In %s, control channel is not open, p: %d, %pK\n", |
| 468 | __func__, peripheral, driver->diagfwd_cntl[peripheral]); |
| 469 | return; |
| 470 | } |
| 471 | |
| 472 | mutex_lock(&driver->diag_cntl_mutex); |
| 473 | time_sync_msg.ctrl_pkt_id = DIAG_CTRL_MSG_TIME_SYNC_PKT; |
| 474 | time_sync_msg.ctrl_pkt_data_len = 5; |
| 475 | time_sync_msg.version = 1; |
| 476 | time_sync_msg.time_api = driver->uses_time_api; |
| 477 | |
| 478 | err = diagfwd_write(peripheral, TYPE_CNTL, &time_sync_msg, msg_size); |
| 479 | if (err) |
| 480 | pr_err("diag: In %s, unable to write to peripheral: %d, type: %d, len: %d, err: %d\n", |
| 481 | __func__, peripheral, TYPE_CNTL, |
| 482 | msg_size, err); |
| 483 | mutex_unlock(&driver->diag_cntl_mutex); |
| 484 | } |
| 485 | |
| 486 | static void diag_send_feature_mask_update(uint8_t peripheral) |
| 487 | { |
| 488 | void *buf = driver->buf_feature_mask_update; |
| 489 | int header_size = sizeof(struct diag_ctrl_feature_mask); |
| 490 | uint8_t feature_bytes[FEATURE_MASK_LEN] = {0, 0}; |
| 491 | struct diag_ctrl_feature_mask feature_mask; |
| 492 | int total_len = 0; |
| 493 | int err = 0; |
| 494 | |
| 495 | if (peripheral >= NUM_PERIPHERALS) { |
| 496 | pr_err("diag: In %s, Invalid peripheral, %d\n", |
| 497 | __func__, peripheral); |
| 498 | return; |
| 499 | } |
| 500 | |
| 501 | if (!driver->diagfwd_cntl[peripheral] || |
| 502 | !driver->diagfwd_cntl[peripheral]->ch_open) { |
| 503 | pr_err("diag: In %s, control channel is not open, p: %d, %pK\n", |
| 504 | __func__, peripheral, driver->diagfwd_cntl[peripheral]); |
| 505 | return; |
| 506 | } |
| 507 | |
| 508 | mutex_lock(&driver->diag_cntl_mutex); |
| 509 | /* send feature mask update */ |
| 510 | feature_mask.ctrl_pkt_id = DIAG_CTRL_MSG_FEATURE; |
| 511 | feature_mask.ctrl_pkt_data_len = sizeof(uint32_t) + FEATURE_MASK_LEN; |
| 512 | feature_mask.feature_mask_len = FEATURE_MASK_LEN; |
| 513 | memcpy(buf, &feature_mask, header_size); |
| 514 | DIAG_SET_FEATURE_MASK(F_DIAG_FEATURE_MASK_SUPPORT); |
| 515 | DIAG_SET_FEATURE_MASK(F_DIAG_LOG_ON_DEMAND_APPS); |
| 516 | DIAG_SET_FEATURE_MASK(F_DIAG_STM); |
| 517 | DIAG_SET_FEATURE_MASK(F_DIAG_DCI_EXTENDED_HEADER_SUPPORT); |
Sreelakshmi Gownipalli | 8d477d3 | 2017-02-08 19:49:06 -0800 | [diff] [blame] | 518 | DIAG_SET_FEATURE_MASK(F_DIAG_DIAGID_SUPPORT); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 519 | if (driver->supports_separate_cmdrsp) |
| 520 | DIAG_SET_FEATURE_MASK(F_DIAG_REQ_RSP_SUPPORT); |
| 521 | if (driver->supports_apps_hdlc_encoding) |
| 522 | DIAG_SET_FEATURE_MASK(F_DIAG_APPS_HDLC_ENCODE); |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 523 | if (driver->supports_apps_header_untagging) { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 524 | if (driver->feature[peripheral].untag_header) { |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 525 | DIAG_SET_FEATURE_MASK(F_DIAG_PKT_HEADER_UNTAG); |
| 526 | driver->peripheral_untag[peripheral] = |
| 527 | ENABLE_PKT_HEADER_UNTAGGING; |
| 528 | } |
| 529 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 530 | DIAG_SET_FEATURE_MASK(F_DIAG_MASK_CENTRALIZATION); |
| 531 | if (driver->supports_sockets) |
| 532 | DIAG_SET_FEATURE_MASK(F_DIAG_SOCKETS_ENABLED); |
| 533 | |
| 534 | memcpy(buf + header_size, &feature_bytes, FEATURE_MASK_LEN); |
| 535 | total_len = header_size + FEATURE_MASK_LEN; |
| 536 | |
| 537 | err = diagfwd_write(peripheral, TYPE_CNTL, buf, total_len); |
| 538 | if (err) { |
| 539 | pr_err_ratelimited("diag: In %s, unable to write feature mask to peripheral: %d, type: %d, len: %d, err: %d\n", |
| 540 | __func__, peripheral, TYPE_CNTL, |
| 541 | total_len, err); |
| 542 | mutex_unlock(&driver->diag_cntl_mutex); |
| 543 | return; |
| 544 | } |
| 545 | driver->feature[peripheral].sent_feature_mask = 1; |
| 546 | mutex_unlock(&driver->diag_cntl_mutex); |
| 547 | } |
| 548 | |
| 549 | static int diag_cmd_get_ssid_range(unsigned char *src_buf, int src_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 550 | unsigned char *dest_buf, int dest_len, int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 551 | { |
| 552 | int i; |
| 553 | int write_len = 0; |
| 554 | struct diag_msg_mask_t *mask_ptr = NULL; |
| 555 | struct diag_msg_ssid_query_t rsp; |
| 556 | struct diag_ssid_range_t ssid_range; |
| 557 | struct diag_mask_info *mask_info = NULL; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 558 | struct diag_md_session_t *info = NULL; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 559 | |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 560 | mutex_lock(&driver->md_session_lock); |
| 561 | info = diag_md_session_get_pid(pid); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 562 | mask_info = (!info) ? &msg_mask : info->msg_mask; |
| 563 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 564 | !mask_info) { |
| 565 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 566 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 567 | mask_info); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 568 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 569 | return -EINVAL; |
| 570 | } |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 571 | if (!mask_info->ptr) { |
| 572 | pr_err("diag: In %s, invalid input mask_info->ptr: %pK\n", |
| 573 | __func__, mask_info->ptr); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 574 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 575 | return -EINVAL; |
| 576 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 577 | |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 578 | if (!diag_apps_responds()) { |
| 579 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 580 | return 0; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 581 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 582 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 583 | rsp.cmd_code = DIAG_CMD_MSG_CONFIG; |
| 584 | rsp.sub_cmd = DIAG_CMD_OP_GET_SSID_RANGE; |
| 585 | rsp.status = MSG_STATUS_SUCCESS; |
| 586 | rsp.padding = 0; |
| 587 | rsp.count = driver->msg_mask_tbl_count; |
| 588 | memcpy(dest_buf, &rsp, sizeof(rsp)); |
| 589 | write_len += sizeof(rsp); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 590 | mask_ptr = (struct diag_msg_mask_t *)mask_info->ptr; |
| 591 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask_ptr++) { |
| 592 | if (write_len + sizeof(ssid_range) > dest_len) { |
| 593 | pr_err("diag: In %s, Truncating response due to size limitations of rsp buffer\n", |
| 594 | __func__); |
| 595 | break; |
| 596 | } |
| 597 | ssid_range.ssid_first = mask_ptr->ssid_first; |
| 598 | ssid_range.ssid_last = mask_ptr->ssid_last_tools; |
| 599 | memcpy(dest_buf + write_len, &ssid_range, sizeof(ssid_range)); |
| 600 | write_len += sizeof(ssid_range); |
| 601 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 602 | mutex_unlock(&driver->msg_mask_lock); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 603 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 604 | return write_len; |
| 605 | } |
| 606 | |
| 607 | static int diag_cmd_get_build_mask(unsigned char *src_buf, int src_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 608 | unsigned char *dest_buf, int dest_len, int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 609 | { |
| 610 | int i = 0; |
| 611 | int write_len = 0; |
| 612 | int num_entries = 0; |
| 613 | int copy_len = 0; |
| 614 | struct diag_msg_mask_t *build_mask = NULL; |
| 615 | struct diag_build_mask_req_t *req = NULL; |
| 616 | struct diag_msg_build_mask_t rsp; |
| 617 | |
| 618 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0) { |
| 619 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d\n", |
| 620 | __func__, src_buf, src_len, dest_buf, dest_len); |
| 621 | return -EINVAL; |
| 622 | } |
| 623 | |
| 624 | if (!diag_apps_responds()) |
| 625 | return 0; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 626 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 627 | req = (struct diag_build_mask_req_t *)src_buf; |
| 628 | rsp.cmd_code = DIAG_CMD_MSG_CONFIG; |
| 629 | rsp.sub_cmd = DIAG_CMD_OP_GET_BUILD_MASK; |
| 630 | rsp.ssid_first = req->ssid_first; |
| 631 | rsp.ssid_last = req->ssid_last; |
| 632 | rsp.status = MSG_STATUS_FAIL; |
| 633 | rsp.padding = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 634 | build_mask = (struct diag_msg_mask_t *)msg_bt_mask.ptr; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 635 | for (i = 0; i < driver->bt_msg_mask_tbl_count; i++, build_mask++) { |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 636 | if (build_mask->ssid_first != req->ssid_first) |
| 637 | continue; |
| 638 | num_entries = req->ssid_last - req->ssid_first + 1; |
| 639 | if (num_entries > build_mask->range) { |
| 640 | pr_warn("diag: In %s, truncating ssid range for ssid_first: %d ssid_last %d\n", |
| 641 | __func__, req->ssid_first, req->ssid_last); |
| 642 | num_entries = build_mask->range; |
| 643 | req->ssid_last = req->ssid_first + build_mask->range; |
| 644 | } |
| 645 | copy_len = num_entries * sizeof(uint32_t); |
| 646 | if (copy_len + sizeof(rsp) > dest_len) |
| 647 | copy_len = dest_len - sizeof(rsp); |
| 648 | memcpy(dest_buf + sizeof(rsp), build_mask->ptr, copy_len); |
| 649 | write_len += copy_len; |
| 650 | rsp.ssid_last = build_mask->ssid_last; |
| 651 | rsp.status = MSG_STATUS_SUCCESS; |
| 652 | break; |
| 653 | } |
| 654 | memcpy(dest_buf, &rsp, sizeof(rsp)); |
| 655 | write_len += sizeof(rsp); |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 656 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 657 | return write_len; |
| 658 | } |
| 659 | |
| 660 | static int diag_cmd_get_msg_mask(unsigned char *src_buf, int src_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 661 | unsigned char *dest_buf, int dest_len, int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 662 | { |
| 663 | int i; |
| 664 | int write_len = 0; |
| 665 | uint32_t mask_size = 0; |
| 666 | struct diag_msg_mask_t *mask = NULL; |
| 667 | struct diag_build_mask_req_t *req = NULL; |
| 668 | struct diag_msg_build_mask_t rsp; |
| 669 | struct diag_mask_info *mask_info = NULL; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 670 | struct diag_md_session_t *info = NULL; |
| 671 | |
| 672 | mutex_lock(&driver->md_session_lock); |
| 673 | info = diag_md_session_get_pid(pid); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 674 | |
| 675 | mask_info = (!info) ? &msg_mask : info->msg_mask; |
| 676 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 677 | !mask_info) { |
| 678 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 679 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 680 | mask_info); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 681 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 682 | return -EINVAL; |
| 683 | } |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 684 | if (!mask_info->ptr) { |
| 685 | pr_err("diag: In %s, invalid input mask_info->ptr: %pK\n", |
| 686 | __func__, mask_info->ptr); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 687 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 688 | return -EINVAL; |
| 689 | } |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 690 | if (!diag_apps_responds()) { |
| 691 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 692 | return 0; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 693 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 694 | |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 695 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 696 | req = (struct diag_build_mask_req_t *)src_buf; |
| 697 | rsp.cmd_code = DIAG_CMD_MSG_CONFIG; |
| 698 | rsp.sub_cmd = DIAG_CMD_OP_GET_MSG_MASK; |
| 699 | rsp.ssid_first = req->ssid_first; |
| 700 | rsp.ssid_last = req->ssid_last; |
| 701 | rsp.status = MSG_STATUS_FAIL; |
| 702 | rsp.padding = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 703 | mask = (struct diag_msg_mask_t *)mask_info->ptr; |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 704 | if (!mask->ptr) { |
| 705 | pr_err("diag: Invalid input in %s, mask->ptr: %pK\n", |
| 706 | __func__, mask->ptr); |
| 707 | mutex_unlock(&driver->msg_mask_lock); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 708 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 709 | return -EINVAL; |
| 710 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 711 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) { |
| 712 | if ((req->ssid_first < mask->ssid_first) || |
| 713 | (req->ssid_first > mask->ssid_last_tools)) { |
| 714 | continue; |
| 715 | } |
| 716 | mask_size = mask->range * sizeof(uint32_t); |
| 717 | /* Copy msg mask only till the end of the rsp buffer */ |
| 718 | if (mask_size + sizeof(rsp) > dest_len) |
| 719 | mask_size = dest_len - sizeof(rsp); |
| 720 | memcpy(dest_buf + sizeof(rsp), mask->ptr, mask_size); |
| 721 | write_len += mask_size; |
| 722 | rsp.status = MSG_STATUS_SUCCESS; |
| 723 | break; |
| 724 | } |
| 725 | memcpy(dest_buf, &rsp, sizeof(rsp)); |
| 726 | write_len += sizeof(rsp); |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 727 | mutex_unlock(&driver->msg_mask_lock); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 728 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 729 | return write_len; |
| 730 | } |
| 731 | |
| 732 | static int diag_cmd_set_msg_mask(unsigned char *src_buf, int src_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 733 | unsigned char *dest_buf, int dest_len, int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 734 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 735 | uint32_t mask_size = 0, offset = 0; |
| 736 | uint32_t *temp = NULL; |
| 737 | int write_len = 0, i = 0, found = 0, peripheral; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 738 | int header_len = sizeof(struct diag_msg_build_mask_t); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 739 | struct diag_msg_mask_t *mask = NULL; |
| 740 | struct diag_msg_build_mask_t *req = NULL; |
| 741 | struct diag_msg_build_mask_t rsp; |
| 742 | struct diag_mask_info *mask_info = NULL; |
| 743 | struct diag_msg_mask_t *mask_next = NULL; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 744 | struct diag_md_session_t *info = NULL; |
| 745 | |
| 746 | mutex_lock(&driver->md_session_lock); |
| 747 | info = diag_md_session_get_pid(pid); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 748 | |
| 749 | mask_info = (!info) ? &msg_mask : info->msg_mask; |
| 750 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 751 | !mask_info) { |
| 752 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 753 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 754 | mask_info); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 755 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 756 | return -EINVAL; |
| 757 | } |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 758 | if (!mask_info->ptr) { |
| 759 | pr_err("diag: In %s, invalid input mask_info->ptr: %pK\n", |
| 760 | __func__, mask_info->ptr); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 761 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 762 | return -EINVAL; |
| 763 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 764 | |
| 765 | req = (struct diag_msg_build_mask_t *)src_buf; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 766 | mutex_lock(&mask_info->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 767 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 768 | mask = (struct diag_msg_mask_t *)mask_info->ptr; |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 769 | if (!mask->ptr) { |
| 770 | pr_err("diag: Invalid input in %s, mask->ptr: %pK\n", |
| 771 | __func__, mask->ptr); |
| 772 | mutex_unlock(&driver->msg_mask_lock); |
| 773 | mutex_unlock(&mask_info->lock); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 774 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 775 | return -EINVAL; |
| 776 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 777 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) { |
| 778 | if (i < (driver->msg_mask_tbl_count - 1)) { |
| 779 | mask_next = mask; |
| 780 | mask_next++; |
| 781 | } else |
| 782 | mask_next = NULL; |
| 783 | |
| 784 | if ((req->ssid_first < mask->ssid_first) || |
| 785 | (req->ssid_first > mask->ssid_first + MAX_SSID_PER_RANGE) || |
| 786 | (mask_next && (req->ssid_first >= mask_next->ssid_first))) { |
| 787 | continue; |
| 788 | } |
| 789 | mask_next = NULL; |
| 790 | found = 1; |
| 791 | mutex_lock(&mask->lock); |
| 792 | mask_size = req->ssid_last - req->ssid_first + 1; |
| 793 | if (mask_size > MAX_SSID_PER_RANGE) { |
| 794 | pr_warn("diag: In %s, truncating ssid range, %d-%d to max allowed: %d\n", |
| 795 | __func__, mask->ssid_first, mask->ssid_last, |
| 796 | MAX_SSID_PER_RANGE); |
| 797 | mask_size = MAX_SSID_PER_RANGE; |
| 798 | mask->range_tools = MAX_SSID_PER_RANGE; |
| 799 | mask->ssid_last_tools = |
| 800 | mask->ssid_first + mask->range_tools; |
| 801 | } |
| 802 | if (req->ssid_last > mask->ssid_last_tools) { |
| 803 | pr_debug("diag: Msg SSID range mismatch\n"); |
| 804 | if (mask_size != MAX_SSID_PER_RANGE) |
| 805 | mask->ssid_last_tools = req->ssid_last; |
| 806 | mask->range_tools = |
| 807 | mask->ssid_last_tools - mask->ssid_first + 1; |
| 808 | temp = krealloc(mask->ptr, |
| 809 | mask->range_tools * sizeof(uint32_t), |
| 810 | GFP_KERNEL); |
| 811 | if (!temp) { |
| 812 | pr_err_ratelimited("diag: In %s, unable to allocate memory for msg mask ptr, mask_size: %d\n", |
| 813 | __func__, mask_size); |
| 814 | mutex_unlock(&mask->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 815 | mutex_unlock(&driver->msg_mask_lock); |
| 816 | mutex_unlock(&mask_info->lock); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 817 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 818 | return -ENOMEM; |
| 819 | } |
| 820 | mask->ptr = temp; |
| 821 | } |
| 822 | |
| 823 | offset = req->ssid_first - mask->ssid_first; |
| 824 | if (offset + mask_size > mask->range_tools) { |
| 825 | pr_err("diag: In %s, Not in msg mask range, mask_size: %d, offset: %d\n", |
| 826 | __func__, mask_size, offset); |
| 827 | mutex_unlock(&mask->lock); |
| 828 | break; |
| 829 | } |
| 830 | mask_size = mask_size * sizeof(uint32_t); |
| 831 | memcpy(mask->ptr + offset, src_buf + header_len, mask_size); |
| 832 | mutex_unlock(&mask->lock); |
| 833 | mask_info->status = DIAG_CTRL_MASK_VALID; |
| 834 | break; |
| 835 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 836 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 837 | mutex_unlock(&mask_info->lock); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 838 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 839 | if (diag_check_update(APPS_DATA, pid)) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 840 | diag_update_userspace_clients(MSG_MASKS_TYPE); |
| 841 | |
| 842 | /* |
| 843 | * Apps processor must send the response to this command. Frame the |
| 844 | * response. |
| 845 | */ |
| 846 | rsp.cmd_code = DIAG_CMD_MSG_CONFIG; |
| 847 | rsp.sub_cmd = DIAG_CMD_OP_SET_MSG_MASK; |
| 848 | rsp.ssid_first = req->ssid_first; |
| 849 | rsp.ssid_last = req->ssid_last; |
| 850 | rsp.status = found; |
| 851 | rsp.padding = 0; |
| 852 | memcpy(dest_buf, &rsp, header_len); |
| 853 | write_len += header_len; |
| 854 | if (!found) |
| 855 | goto end; |
| 856 | if (mask_size + write_len > dest_len) |
| 857 | mask_size = dest_len - write_len; |
| 858 | memcpy(dest_buf + write_len, src_buf + header_len, mask_size); |
| 859 | write_len += mask_size; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 860 | for (i = 0; i < NUM_MD_SESSIONS; i++) { |
| 861 | if (i == APPS_DATA) |
| 862 | continue; |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 863 | if (!diag_check_update(i, pid)) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 864 | continue; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 865 | if (i > NUM_PERIPHERALS) |
| 866 | peripheral = diag_search_peripheral_by_pd(i); |
| 867 | else |
| 868 | peripheral = i; |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 869 | mutex_lock(&driver->md_session_lock); |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 870 | diag_send_msg_mask_update(peripheral, req->ssid_first, |
| 871 | req->ssid_last); |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 872 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 873 | } |
| 874 | end: |
| 875 | return write_len; |
| 876 | } |
| 877 | |
| 878 | static int diag_cmd_set_all_msg_mask(unsigned char *src_buf, int src_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 879 | unsigned char *dest_buf, int dest_len, int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 880 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 881 | int i, write_len = 0, peripheral; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 882 | int header_len = sizeof(struct diag_msg_config_rsp_t); |
| 883 | struct diag_msg_config_rsp_t rsp; |
| 884 | struct diag_msg_config_rsp_t *req = NULL; |
| 885 | struct diag_msg_mask_t *mask = NULL; |
| 886 | struct diag_mask_info *mask_info = NULL; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 887 | struct diag_md_session_t *info = NULL; |
| 888 | |
| 889 | mutex_lock(&driver->md_session_lock); |
| 890 | info = diag_md_session_get_pid(pid); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 891 | |
| 892 | mask_info = (!info) ? &msg_mask : info->msg_mask; |
| 893 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 894 | !mask_info) { |
| 895 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 896 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 897 | mask_info); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 898 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 899 | return -EINVAL; |
| 900 | } |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 901 | if (!mask_info->ptr) { |
| 902 | pr_err("diag: In %s, invalid input mask_info->ptr: %pK\n", |
| 903 | __func__, mask_info->ptr); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 904 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 905 | return -EINVAL; |
| 906 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 907 | |
| 908 | req = (struct diag_msg_config_rsp_t *)src_buf; |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 909 | |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 910 | mutex_lock(&mask_info->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 911 | mutex_lock(&driver->msg_mask_lock); |
| 912 | |
| 913 | mask = (struct diag_msg_mask_t *)mask_info->ptr; |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 914 | if (!mask->ptr) { |
| 915 | pr_err("diag: Invalid input in %s, mask->ptr: %pK\n", |
| 916 | __func__, mask->ptr); |
| 917 | mutex_unlock(&driver->msg_mask_lock); |
| 918 | mutex_unlock(&mask_info->lock); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 919 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 920 | return -EINVAL; |
| 921 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 922 | mask_info->status = (req->rt_mask) ? DIAG_CTRL_MASK_ALL_ENABLED : |
| 923 | DIAG_CTRL_MASK_ALL_DISABLED; |
| 924 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) { |
| 925 | mutex_lock(&mask->lock); |
| 926 | memset(mask->ptr, req->rt_mask, |
| 927 | mask->range * sizeof(uint32_t)); |
| 928 | mutex_unlock(&mask->lock); |
| 929 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 930 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 931 | mutex_unlock(&mask_info->lock); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 932 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 933 | if (diag_check_update(APPS_DATA, pid)) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 934 | diag_update_userspace_clients(MSG_MASKS_TYPE); |
| 935 | |
| 936 | /* |
| 937 | * Apps processor must send the response to this command. Frame the |
| 938 | * response. |
| 939 | */ |
| 940 | rsp.cmd_code = DIAG_CMD_MSG_CONFIG; |
| 941 | rsp.sub_cmd = DIAG_CMD_OP_SET_ALL_MSG_MASK; |
| 942 | rsp.status = MSG_STATUS_SUCCESS; |
| 943 | rsp.padding = 0; |
| 944 | rsp.rt_mask = req->rt_mask; |
| 945 | memcpy(dest_buf, &rsp, header_len); |
| 946 | write_len += header_len; |
| 947 | |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 948 | for (i = 0; i < NUM_MD_SESSIONS; i++) { |
| 949 | if (i == APPS_DATA) |
| 950 | continue; |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 951 | if (!diag_check_update(i, pid)) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 952 | continue; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 953 | if (i > NUM_PERIPHERALS) |
| 954 | peripheral = diag_search_peripheral_by_pd(i); |
| 955 | else |
| 956 | peripheral = i; |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 957 | mutex_lock(&driver->md_session_lock); |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 958 | diag_send_msg_mask_update(peripheral, ALL_SSID, ALL_SSID); |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 959 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 960 | } |
| 961 | |
| 962 | return write_len; |
| 963 | } |
| 964 | |
| 965 | static int diag_cmd_get_event_mask(unsigned char *src_buf, int src_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 966 | unsigned char *dest_buf, int dest_len, int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 967 | { |
| 968 | int write_len = 0; |
| 969 | uint32_t mask_size; |
| 970 | struct diag_event_mask_config_t rsp; |
| 971 | |
| 972 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0) { |
| 973 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d\n", |
| 974 | __func__, src_buf, src_len, dest_buf, dest_len); |
| 975 | return -EINVAL; |
| 976 | } |
| 977 | |
| 978 | if (!diag_apps_responds()) |
| 979 | return 0; |
| 980 | |
| 981 | mask_size = EVENT_COUNT_TO_BYTES(driver->last_event_id); |
| 982 | if (mask_size + sizeof(rsp) > dest_len) { |
| 983 | pr_err("diag: In %s, invalid mask size: %d\n", __func__, |
| 984 | mask_size); |
| 985 | return -ENOMEM; |
| 986 | } |
| 987 | |
| 988 | rsp.cmd_code = DIAG_CMD_GET_EVENT_MASK; |
| 989 | rsp.status = EVENT_STATUS_SUCCESS; |
| 990 | rsp.padding = 0; |
| 991 | rsp.num_bits = driver->last_event_id + 1; |
| 992 | memcpy(dest_buf, &rsp, sizeof(rsp)); |
| 993 | write_len += sizeof(rsp); |
| 994 | memcpy(dest_buf + write_len, event_mask.ptr, mask_size); |
| 995 | write_len += mask_size; |
| 996 | |
| 997 | return write_len; |
| 998 | } |
| 999 | |
| 1000 | static int diag_cmd_update_event_mask(unsigned char *src_buf, int src_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1001 | unsigned char *dest_buf, int dest_len, int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1002 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1003 | int i, write_len = 0, mask_len = 0, peripheral; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1004 | int header_len = sizeof(struct diag_event_mask_config_t); |
| 1005 | struct diag_event_mask_config_t rsp; |
| 1006 | struct diag_event_mask_config_t *req; |
| 1007 | struct diag_mask_info *mask_info = NULL; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1008 | struct diag_md_session_t *info = NULL; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1009 | |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1010 | mutex_lock(&driver->md_session_lock); |
| 1011 | info = diag_md_session_get_pid(pid); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1012 | mask_info = (!info) ? &event_mask : info->event_mask; |
| 1013 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 1014 | !mask_info) { |
| 1015 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 1016 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 1017 | mask_info); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1018 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1019 | return -EINVAL; |
| 1020 | } |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1021 | if (!mask_info->ptr) { |
| 1022 | pr_err("diag: In %s, invalid input mask_info->ptr: %pK\n", |
| 1023 | __func__, mask_info->ptr); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1024 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1025 | return -EINVAL; |
| 1026 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1027 | req = (struct diag_event_mask_config_t *)src_buf; |
| 1028 | mask_len = EVENT_COUNT_TO_BYTES(req->num_bits); |
| 1029 | if (mask_len <= 0 || mask_len > event_mask.mask_len) { |
| 1030 | pr_err("diag: In %s, invalid event mask len: %d\n", __func__, |
| 1031 | mask_len); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1032 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1033 | return -EIO; |
| 1034 | } |
| 1035 | |
| 1036 | mutex_lock(&mask_info->lock); |
| 1037 | memcpy(mask_info->ptr, src_buf + header_len, mask_len); |
| 1038 | mask_info->status = DIAG_CTRL_MASK_VALID; |
| 1039 | mutex_unlock(&mask_info->lock); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1040 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 1041 | if (diag_check_update(APPS_DATA, pid)) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1042 | diag_update_userspace_clients(EVENT_MASKS_TYPE); |
| 1043 | |
| 1044 | /* |
| 1045 | * Apps processor must send the response to this command. Frame the |
| 1046 | * response. |
| 1047 | */ |
| 1048 | rsp.cmd_code = DIAG_CMD_SET_EVENT_MASK; |
| 1049 | rsp.status = EVENT_STATUS_SUCCESS; |
| 1050 | rsp.padding = 0; |
| 1051 | rsp.num_bits = driver->last_event_id + 1; |
| 1052 | memcpy(dest_buf, &rsp, header_len); |
| 1053 | write_len += header_len; |
| 1054 | memcpy(dest_buf + write_len, mask_info->ptr, mask_len); |
| 1055 | write_len += mask_len; |
| 1056 | |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1057 | for (i = 0; i < NUM_MD_SESSIONS; i++) { |
| 1058 | if (i == APPS_DATA) |
| 1059 | continue; |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 1060 | if (!diag_check_update(i, pid)) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1061 | continue; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1062 | if (i > NUM_PERIPHERALS) |
| 1063 | peripheral = diag_search_peripheral_by_pd(i); |
| 1064 | else |
| 1065 | peripheral = i; |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1066 | mutex_lock(&driver->md_session_lock); |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1067 | diag_send_event_mask_update(peripheral); |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1068 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1069 | } |
| 1070 | |
| 1071 | return write_len; |
| 1072 | } |
| 1073 | |
| 1074 | static int diag_cmd_toggle_events(unsigned char *src_buf, int src_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1075 | unsigned char *dest_buf, int dest_len, int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1076 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1077 | int write_len = 0, i, peripheral; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1078 | uint8_t toggle = 0; |
| 1079 | struct diag_event_report_t header; |
| 1080 | struct diag_mask_info *mask_info = NULL; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1081 | struct diag_md_session_t *info = NULL; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1082 | |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1083 | mutex_lock(&driver->md_session_lock); |
| 1084 | info = diag_md_session_get_pid(pid); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1085 | mask_info = (!info) ? &event_mask : info->event_mask; |
| 1086 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 1087 | !mask_info) { |
| 1088 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 1089 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 1090 | mask_info); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1091 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1092 | return -EINVAL; |
| 1093 | } |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1094 | if (!mask_info->ptr) { |
| 1095 | pr_err("diag: In %s, invalid input mask_info->ptr: %pK\n", |
| 1096 | __func__, mask_info->ptr); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1097 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1098 | return -EINVAL; |
| 1099 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1100 | |
| 1101 | toggle = *(src_buf + 1); |
| 1102 | mutex_lock(&mask_info->lock); |
| 1103 | if (toggle) { |
| 1104 | mask_info->status = DIAG_CTRL_MASK_ALL_ENABLED; |
| 1105 | memset(mask_info->ptr, 0xFF, mask_info->mask_len); |
| 1106 | } else { |
| 1107 | mask_info->status = DIAG_CTRL_MASK_ALL_DISABLED; |
| 1108 | memset(mask_info->ptr, 0, mask_info->mask_len); |
| 1109 | } |
| 1110 | mutex_unlock(&mask_info->lock); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1111 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 1112 | if (diag_check_update(APPS_DATA, pid)) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1113 | diag_update_userspace_clients(EVENT_MASKS_TYPE); |
| 1114 | |
| 1115 | /* |
| 1116 | * Apps processor must send the response to this command. Frame the |
| 1117 | * response. |
| 1118 | */ |
| 1119 | header.cmd_code = DIAG_CMD_EVENT_TOGGLE; |
| 1120 | header.padding = 0; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1121 | for (i = 0; i < NUM_MD_SESSIONS; i++) { |
| 1122 | if (i == APPS_DATA) |
| 1123 | continue; |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 1124 | if (!diag_check_update(i, pid)) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1125 | continue; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1126 | if (i > NUM_PERIPHERALS) |
| 1127 | peripheral = diag_search_peripheral_by_pd(i); |
| 1128 | else |
| 1129 | peripheral = i; |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1130 | mutex_lock(&driver->md_session_lock); |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1131 | diag_send_event_mask_update(peripheral); |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1132 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1133 | } |
| 1134 | memcpy(dest_buf, &header, sizeof(header)); |
| 1135 | write_len += sizeof(header); |
| 1136 | |
| 1137 | return write_len; |
| 1138 | } |
| 1139 | |
| 1140 | static int diag_cmd_get_log_mask(unsigned char *src_buf, int src_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1141 | unsigned char *dest_buf, int dest_len, int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1142 | { |
| 1143 | int i; |
| 1144 | int status = LOG_STATUS_INVALID; |
| 1145 | int write_len = 0; |
| 1146 | int read_len = 0; |
| 1147 | int req_header_len = sizeof(struct diag_log_config_req_t); |
| 1148 | int rsp_header_len = sizeof(struct diag_log_config_rsp_t); |
| 1149 | uint32_t mask_size = 0; |
| 1150 | struct diag_log_mask_t *log_item = NULL; |
| 1151 | struct diag_log_config_req_t *req; |
| 1152 | struct diag_log_config_rsp_t rsp; |
| 1153 | struct diag_mask_info *mask_info = NULL; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1154 | struct diag_md_session_t *info = NULL; |
| 1155 | |
| 1156 | mutex_lock(&driver->md_session_lock); |
| 1157 | info = diag_md_session_get_pid(pid); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1158 | |
| 1159 | mask_info = (!info) ? &log_mask : info->log_mask; |
| 1160 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 1161 | !mask_info) { |
| 1162 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 1163 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 1164 | mask_info); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1165 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1166 | return -EINVAL; |
| 1167 | } |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1168 | if (!mask_info->ptr) { |
| 1169 | pr_err("diag: In %s, invalid input mask_info->ptr: %pK\n", |
| 1170 | __func__, mask_info->ptr); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1171 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1172 | return -EINVAL; |
| 1173 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1174 | |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1175 | if (!diag_apps_responds()) { |
| 1176 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1177 | return 0; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1178 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1179 | |
| 1180 | req = (struct diag_log_config_req_t *)src_buf; |
| 1181 | read_len += req_header_len; |
| 1182 | |
| 1183 | rsp.cmd_code = DIAG_CMD_LOG_CONFIG; |
| 1184 | rsp.padding[0] = 0; |
| 1185 | rsp.padding[1] = 0; |
| 1186 | rsp.padding[2] = 0; |
| 1187 | rsp.sub_cmd = DIAG_CMD_OP_GET_LOG_MASK; |
| 1188 | /* |
| 1189 | * Don't copy the response header now. Copy at the end after |
| 1190 | * calculating the status field value |
| 1191 | */ |
| 1192 | write_len += rsp_header_len; |
| 1193 | |
| 1194 | log_item = (struct diag_log_mask_t *)mask_info->ptr; |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1195 | if (!log_item->ptr) { |
| 1196 | pr_err("diag: Invalid input in %s, mask: %pK\n", |
| 1197 | __func__, log_item); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1198 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1199 | return -EINVAL; |
| 1200 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1201 | for (i = 0; i < MAX_EQUIP_ID; i++, log_item++) { |
| 1202 | if (log_item->equip_id != req->equip_id) |
| 1203 | continue; |
| 1204 | mutex_lock(&log_item->lock); |
| 1205 | mask_size = LOG_ITEMS_TO_SIZE(log_item->num_items_tools); |
| 1206 | /* |
| 1207 | * Make sure we have space to fill the response in the buffer. |
| 1208 | * Destination buffer should atleast be able to hold equip_id |
| 1209 | * (uint32_t), num_items(uint32_t), mask (mask_size) and the |
| 1210 | * response header. |
| 1211 | */ |
| 1212 | if ((mask_size + (2 * sizeof(uint32_t)) + rsp_header_len) > |
| 1213 | dest_len) { |
| 1214 | pr_err("diag: In %s, invalid length: %d, max rsp_len: %d\n", |
| 1215 | __func__, mask_size, dest_len); |
| 1216 | status = LOG_STATUS_FAIL; |
| 1217 | mutex_unlock(&log_item->lock); |
| 1218 | break; |
| 1219 | } |
| 1220 | *(uint32_t *)(dest_buf + write_len) = log_item->equip_id; |
| 1221 | write_len += sizeof(uint32_t); |
| 1222 | *(uint32_t *)(dest_buf + write_len) = log_item->num_items_tools; |
| 1223 | write_len += sizeof(uint32_t); |
| 1224 | if (mask_size > 0) { |
| 1225 | memcpy(dest_buf + write_len, log_item->ptr, mask_size); |
| 1226 | write_len += mask_size; |
| 1227 | } |
| 1228 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 1229 | "sending log e %d num_items %d size %d\n", |
| 1230 | log_item->equip_id, log_item->num_items_tools, |
| 1231 | log_item->range_tools); |
| 1232 | mutex_unlock(&log_item->lock); |
| 1233 | status = LOG_STATUS_SUCCESS; |
| 1234 | break; |
| 1235 | } |
| 1236 | |
| 1237 | rsp.status = status; |
| 1238 | memcpy(dest_buf, &rsp, rsp_header_len); |
| 1239 | |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1240 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1241 | return write_len; |
| 1242 | } |
| 1243 | |
| 1244 | static int diag_cmd_get_log_range(unsigned char *src_buf, int src_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1245 | unsigned char *dest_buf, int dest_len, int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1246 | { |
| 1247 | int i; |
| 1248 | int write_len = 0; |
| 1249 | struct diag_log_config_rsp_t rsp; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1250 | struct diag_log_mask_t *mask = (struct diag_log_mask_t *)log_mask.ptr; |
| 1251 | |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1252 | if (!mask) |
| 1253 | return -EINVAL; |
| 1254 | |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1255 | if (!diag_apps_responds()) |
| 1256 | return 0; |
| 1257 | |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1258 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0) { |
| 1259 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d\n", |
| 1260 | __func__, src_buf, src_len, dest_buf, dest_len); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1261 | return -EINVAL; |
| 1262 | } |
| 1263 | |
| 1264 | rsp.cmd_code = DIAG_CMD_LOG_CONFIG; |
| 1265 | rsp.padding[0] = 0; |
| 1266 | rsp.padding[1] = 0; |
| 1267 | rsp.padding[2] = 0; |
| 1268 | rsp.sub_cmd = DIAG_CMD_OP_GET_LOG_RANGE; |
| 1269 | rsp.status = LOG_STATUS_SUCCESS; |
| 1270 | memcpy(dest_buf, &rsp, sizeof(rsp)); |
| 1271 | write_len += sizeof(rsp); |
| 1272 | |
| 1273 | for (i = 0; i < MAX_EQUIP_ID && write_len < dest_len; i++, mask++) { |
| 1274 | *(uint32_t *)(dest_buf + write_len) = mask->num_items_tools; |
| 1275 | write_len += sizeof(uint32_t); |
| 1276 | } |
| 1277 | |
| 1278 | return write_len; |
| 1279 | } |
| 1280 | |
| 1281 | static int diag_cmd_set_log_mask(unsigned char *src_buf, int src_len, |
| 1282 | unsigned char *dest_buf, int dest_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1283 | int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1284 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1285 | int i, peripheral, write_len = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1286 | int status = LOG_STATUS_SUCCESS; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1287 | int read_len = 0, payload_len = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1288 | int req_header_len = sizeof(struct diag_log_config_req_t); |
| 1289 | int rsp_header_len = sizeof(struct diag_log_config_set_rsp_t); |
| 1290 | uint32_t mask_size = 0; |
| 1291 | struct diag_log_config_req_t *req; |
| 1292 | struct diag_log_config_set_rsp_t rsp; |
| 1293 | struct diag_log_mask_t *mask = NULL; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1294 | struct diag_mask_info *mask_info = NULL; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1295 | unsigned char *temp_buf = NULL; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1296 | struct diag_md_session_t *info = NULL; |
| 1297 | |
| 1298 | mutex_lock(&driver->md_session_lock); |
| 1299 | info = diag_md_session_get_pid(pid); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1300 | |
| 1301 | mask_info = (!info) ? &log_mask : info->log_mask; |
| 1302 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 1303 | !mask_info) { |
| 1304 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 1305 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 1306 | mask_info); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1307 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1308 | return -EINVAL; |
| 1309 | } |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1310 | if (!mask_info->ptr) { |
| 1311 | pr_err("diag: In %s, invalid input mask_info->ptr: %pK\n", |
| 1312 | __func__, mask_info->ptr); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1313 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1314 | return -EINVAL; |
| 1315 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1316 | |
| 1317 | req = (struct diag_log_config_req_t *)src_buf; |
| 1318 | read_len += req_header_len; |
| 1319 | mask = (struct diag_log_mask_t *)mask_info->ptr; |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1320 | if (!mask->ptr) { |
| 1321 | pr_err("diag: Invalid input in %s, mask->ptr: %pK\n", |
| 1322 | __func__, mask->ptr); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1323 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1324 | return -EINVAL; |
| 1325 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1326 | if (req->equip_id >= MAX_EQUIP_ID) { |
| 1327 | pr_err("diag: In %s, Invalid logging mask request, equip_id: %d\n", |
| 1328 | __func__, req->equip_id); |
| 1329 | status = LOG_STATUS_INVALID; |
| 1330 | } |
| 1331 | |
| 1332 | if (req->num_items == 0) { |
| 1333 | pr_err("diag: In %s, Invalid number of items in log mask request, equip_id: %d\n", |
| 1334 | __func__, req->equip_id); |
| 1335 | status = LOG_STATUS_INVALID; |
| 1336 | } |
| 1337 | |
| 1338 | mutex_lock(&mask_info->lock); |
| 1339 | for (i = 0; i < MAX_EQUIP_ID && !status; i++, mask++) { |
| 1340 | if (mask->equip_id != req->equip_id) |
| 1341 | continue; |
| 1342 | mutex_lock(&mask->lock); |
| 1343 | |
| 1344 | DIAG_LOG(DIAG_DEBUG_MASKS, "e: %d current: %d %d new: %d %d", |
| 1345 | mask->equip_id, mask->num_items_tools, |
| 1346 | mask->range_tools, req->num_items, |
| 1347 | LOG_ITEMS_TO_SIZE(req->num_items)); |
| 1348 | /* |
| 1349 | * If the size of the log mask cannot fit into our |
| 1350 | * buffer, trim till we have space left in the buffer. |
| 1351 | * num_items should then reflect the items that we have |
| 1352 | * in our buffer. |
| 1353 | */ |
| 1354 | mask->num_items_tools = (req->num_items > MAX_ITEMS_ALLOWED) ? |
| 1355 | MAX_ITEMS_ALLOWED : req->num_items; |
| 1356 | mask_size = LOG_ITEMS_TO_SIZE(mask->num_items_tools); |
| 1357 | memset(mask->ptr, 0, mask->range_tools); |
| 1358 | if (mask_size > mask->range_tools) { |
| 1359 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 1360 | "log range mismatch, e: %d old: %d new: %d\n", |
| 1361 | req->equip_id, mask->range_tools, |
| 1362 | LOG_ITEMS_TO_SIZE(mask->num_items_tools)); |
| 1363 | /* Change in the mask reported by tools */ |
| 1364 | temp_buf = krealloc(mask->ptr, mask_size, GFP_KERNEL); |
| 1365 | if (!temp_buf) { |
| 1366 | mask_info->status = DIAG_CTRL_MASK_INVALID; |
| 1367 | mutex_unlock(&mask->lock); |
| 1368 | break; |
| 1369 | } |
| 1370 | mask->ptr = temp_buf; |
| 1371 | memset(mask->ptr, 0, mask_size); |
| 1372 | mask->range_tools = mask_size; |
| 1373 | } |
| 1374 | req->num_items = mask->num_items_tools; |
| 1375 | if (mask_size > 0) |
| 1376 | memcpy(mask->ptr, src_buf + read_len, mask_size); |
| 1377 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 1378 | "copying log mask, e %d num %d range %d size %d\n", |
| 1379 | req->equip_id, mask->num_items_tools, |
| 1380 | mask->range_tools, mask_size); |
| 1381 | mutex_unlock(&mask->lock); |
| 1382 | mask_info->status = DIAG_CTRL_MASK_VALID; |
| 1383 | break; |
| 1384 | } |
| 1385 | mutex_unlock(&mask_info->lock); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1386 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 1387 | if (diag_check_update(APPS_DATA, pid)) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1388 | diag_update_userspace_clients(LOG_MASKS_TYPE); |
| 1389 | |
| 1390 | /* |
| 1391 | * Apps processor must send the response to this command. Frame the |
| 1392 | * response. |
| 1393 | */ |
| 1394 | payload_len = LOG_ITEMS_TO_SIZE(req->num_items); |
| 1395 | if ((payload_len + rsp_header_len > dest_len) || (payload_len == 0)) { |
| 1396 | pr_err("diag: In %s, invalid length, payload_len: %d, header_len: %d, dest_len: %d\n", |
| 1397 | __func__, payload_len, rsp_header_len, dest_len); |
| 1398 | status = LOG_STATUS_FAIL; |
| 1399 | } |
| 1400 | rsp.cmd_code = DIAG_CMD_LOG_CONFIG; |
| 1401 | rsp.padding[0] = 0; |
| 1402 | rsp.padding[1] = 0; |
| 1403 | rsp.padding[2] = 0; |
| 1404 | rsp.sub_cmd = DIAG_CMD_OP_SET_LOG_MASK; |
| 1405 | rsp.status = status; |
| 1406 | rsp.equip_id = req->equip_id; |
| 1407 | rsp.num_items = req->num_items; |
| 1408 | memcpy(dest_buf, &rsp, rsp_header_len); |
| 1409 | write_len += rsp_header_len; |
| 1410 | if (status != LOG_STATUS_SUCCESS) |
| 1411 | goto end; |
| 1412 | memcpy(dest_buf + write_len, src_buf + read_len, payload_len); |
| 1413 | write_len += payload_len; |
| 1414 | |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1415 | for (i = 0; i < NUM_MD_SESSIONS; i++) { |
| 1416 | if (i == APPS_DATA) |
| 1417 | continue; |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 1418 | if (!diag_check_update(i, pid)) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1419 | continue; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1420 | if (i > NUM_PERIPHERALS) |
| 1421 | peripheral = diag_search_peripheral_by_pd(i); |
| 1422 | else |
| 1423 | peripheral = i; |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1424 | mutex_lock(&driver->md_session_lock); |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1425 | diag_send_log_mask_update(peripheral, req->equip_id); |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1426 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1427 | } |
| 1428 | end: |
| 1429 | return write_len; |
| 1430 | } |
| 1431 | |
| 1432 | static int diag_cmd_disable_log_mask(unsigned char *src_buf, int src_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1433 | unsigned char *dest_buf, int dest_len, int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1434 | { |
| 1435 | struct diag_mask_info *mask_info = NULL; |
| 1436 | struct diag_log_mask_t *mask = NULL; |
| 1437 | struct diag_log_config_rsp_t header; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1438 | int write_len = 0, i, peripheral; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1439 | struct diag_md_session_t *info = NULL; |
| 1440 | |
| 1441 | mutex_lock(&driver->md_session_lock); |
| 1442 | info = diag_md_session_get_pid(pid); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1443 | |
| 1444 | mask_info = (!info) ? &log_mask : info->log_mask; |
| 1445 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 1446 | !mask_info) { |
| 1447 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 1448 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 1449 | mask_info); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1450 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1451 | return -EINVAL; |
| 1452 | } |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1453 | if (!mask_info->ptr) { |
| 1454 | pr_err("diag: In %s, invalid input mask_info->ptr: %pK\n", |
| 1455 | __func__, mask_info->ptr); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1456 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1457 | return -EINVAL; |
| 1458 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1459 | mask = (struct diag_log_mask_t *)mask_info->ptr; |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1460 | if (!mask->ptr) { |
| 1461 | pr_err("diag: Invalid input in %s, mask->ptr: %pK\n", |
| 1462 | __func__, mask->ptr); |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1463 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1464 | return -EINVAL; |
| 1465 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1466 | for (i = 0; i < MAX_EQUIP_ID; i++, mask++) { |
| 1467 | mutex_lock(&mask->lock); |
| 1468 | memset(mask->ptr, 0, mask->range); |
| 1469 | mutex_unlock(&mask->lock); |
| 1470 | } |
| 1471 | mask_info->status = DIAG_CTRL_MASK_ALL_DISABLED; |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 1472 | mutex_unlock(&driver->md_session_lock); |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 1473 | if (diag_check_update(APPS_DATA, pid)) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1474 | diag_update_userspace_clients(LOG_MASKS_TYPE); |
| 1475 | |
| 1476 | /* |
| 1477 | * Apps processor must send the response to this command. Frame the |
| 1478 | * response. |
| 1479 | */ |
| 1480 | header.cmd_code = DIAG_CMD_LOG_CONFIG; |
| 1481 | header.padding[0] = 0; |
| 1482 | header.padding[1] = 0; |
| 1483 | header.padding[2] = 0; |
| 1484 | header.sub_cmd = DIAG_CMD_OP_LOG_DISABLE; |
| 1485 | header.status = LOG_STATUS_SUCCESS; |
| 1486 | memcpy(dest_buf, &header, sizeof(struct diag_log_config_rsp_t)); |
| 1487 | write_len += sizeof(struct diag_log_config_rsp_t); |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1488 | for (i = 0; i < NUM_MD_SESSIONS; i++) { |
| 1489 | if (i == APPS_DATA) |
| 1490 | continue; |
Hardik Arya | 430b1e7 | 2018-04-09 14:49:40 +0530 | [diff] [blame] | 1491 | if (!diag_check_update(i, pid)) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1492 | continue; |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1493 | if (i > NUM_PERIPHERALS) |
| 1494 | peripheral = diag_search_peripheral_by_pd(i); |
| 1495 | else |
| 1496 | peripheral = i; |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1497 | mutex_lock(&driver->md_session_lock); |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1498 | diag_send_log_mask_update(peripheral, ALL_EQUIP_ID); |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1499 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1500 | } |
| 1501 | |
| 1502 | return write_len; |
| 1503 | } |
| 1504 | |
| 1505 | int diag_create_msg_mask_table_entry(struct diag_msg_mask_t *msg_mask, |
| 1506 | struct diag_ssid_range_t *range) |
| 1507 | { |
| 1508 | if (!msg_mask || !range) |
| 1509 | return -EIO; |
| 1510 | if (range->ssid_last < range->ssid_first) |
| 1511 | return -EINVAL; |
| 1512 | msg_mask->ssid_first = range->ssid_first; |
| 1513 | msg_mask->ssid_last = range->ssid_last; |
| 1514 | msg_mask->ssid_last_tools = range->ssid_last; |
| 1515 | msg_mask->range = msg_mask->ssid_last - msg_mask->ssid_first + 1; |
| 1516 | if (msg_mask->range < MAX_SSID_PER_RANGE) |
| 1517 | msg_mask->range = MAX_SSID_PER_RANGE; |
| 1518 | msg_mask->range_tools = msg_mask->range; |
| 1519 | mutex_init(&msg_mask->lock); |
| 1520 | if (msg_mask->range > 0) { |
| 1521 | msg_mask->ptr = kcalloc(msg_mask->range, sizeof(uint32_t), |
| 1522 | GFP_KERNEL); |
| 1523 | if (!msg_mask->ptr) |
| 1524 | return -ENOMEM; |
| 1525 | kmemleak_not_leak(msg_mask->ptr); |
| 1526 | } |
| 1527 | return 0; |
| 1528 | } |
| 1529 | |
| 1530 | static int diag_create_msg_mask_table(void) |
| 1531 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1532 | int i, err = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1533 | struct diag_msg_mask_t *mask = (struct diag_msg_mask_t *)msg_mask.ptr; |
| 1534 | struct diag_ssid_range_t range; |
| 1535 | |
| 1536 | mutex_lock(&msg_mask.lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1537 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1538 | driver->msg_mask_tbl_count = MSG_MASK_TBL_CNT; |
| 1539 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) { |
| 1540 | range.ssid_first = msg_mask_tbl[i].ssid_first; |
| 1541 | range.ssid_last = msg_mask_tbl[i].ssid_last; |
| 1542 | err = diag_create_msg_mask_table_entry(mask, &range); |
| 1543 | if (err) |
| 1544 | break; |
| 1545 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1546 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1547 | mutex_unlock(&msg_mask.lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1548 | return err; |
| 1549 | } |
| 1550 | |
| 1551 | static int diag_create_build_time_mask(void) |
| 1552 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1553 | int i, err = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1554 | const uint32_t *tbl = NULL; |
| 1555 | uint32_t tbl_size = 0; |
| 1556 | struct diag_msg_mask_t *build_mask = NULL; |
| 1557 | struct diag_ssid_range_t range; |
| 1558 | |
| 1559 | mutex_lock(&msg_bt_mask.lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1560 | mutex_lock(&driver->msg_mask_lock); |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1561 | driver->bt_msg_mask_tbl_count = MSG_MASK_TBL_CNT; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1562 | build_mask = (struct diag_msg_mask_t *)msg_bt_mask.ptr; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1563 | for (i = 0; i < driver->bt_msg_mask_tbl_count; i++, build_mask++) { |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1564 | range.ssid_first = msg_mask_tbl[i].ssid_first; |
| 1565 | range.ssid_last = msg_mask_tbl[i].ssid_last; |
| 1566 | err = diag_create_msg_mask_table_entry(build_mask, &range); |
| 1567 | if (err) |
| 1568 | break; |
| 1569 | switch (build_mask->ssid_first) { |
| 1570 | case MSG_SSID_0: |
| 1571 | tbl = msg_bld_masks_0; |
| 1572 | tbl_size = sizeof(msg_bld_masks_0); |
| 1573 | break; |
| 1574 | case MSG_SSID_1: |
| 1575 | tbl = msg_bld_masks_1; |
| 1576 | tbl_size = sizeof(msg_bld_masks_1); |
| 1577 | break; |
| 1578 | case MSG_SSID_2: |
| 1579 | tbl = msg_bld_masks_2; |
| 1580 | tbl_size = sizeof(msg_bld_masks_2); |
| 1581 | break; |
| 1582 | case MSG_SSID_3: |
| 1583 | tbl = msg_bld_masks_3; |
| 1584 | tbl_size = sizeof(msg_bld_masks_3); |
| 1585 | break; |
| 1586 | case MSG_SSID_4: |
| 1587 | tbl = msg_bld_masks_4; |
| 1588 | tbl_size = sizeof(msg_bld_masks_4); |
| 1589 | break; |
| 1590 | case MSG_SSID_5: |
| 1591 | tbl = msg_bld_masks_5; |
| 1592 | tbl_size = sizeof(msg_bld_masks_5); |
| 1593 | break; |
| 1594 | case MSG_SSID_6: |
| 1595 | tbl = msg_bld_masks_6; |
| 1596 | tbl_size = sizeof(msg_bld_masks_6); |
| 1597 | break; |
| 1598 | case MSG_SSID_7: |
| 1599 | tbl = msg_bld_masks_7; |
| 1600 | tbl_size = sizeof(msg_bld_masks_7); |
| 1601 | break; |
| 1602 | case MSG_SSID_8: |
| 1603 | tbl = msg_bld_masks_8; |
| 1604 | tbl_size = sizeof(msg_bld_masks_8); |
| 1605 | break; |
| 1606 | case MSG_SSID_9: |
| 1607 | tbl = msg_bld_masks_9; |
| 1608 | tbl_size = sizeof(msg_bld_masks_9); |
| 1609 | break; |
| 1610 | case MSG_SSID_10: |
| 1611 | tbl = msg_bld_masks_10; |
| 1612 | tbl_size = sizeof(msg_bld_masks_10); |
| 1613 | break; |
| 1614 | case MSG_SSID_11: |
| 1615 | tbl = msg_bld_masks_11; |
| 1616 | tbl_size = sizeof(msg_bld_masks_11); |
| 1617 | break; |
| 1618 | case MSG_SSID_12: |
| 1619 | tbl = msg_bld_masks_12; |
| 1620 | tbl_size = sizeof(msg_bld_masks_12); |
| 1621 | break; |
| 1622 | case MSG_SSID_13: |
| 1623 | tbl = msg_bld_masks_13; |
| 1624 | tbl_size = sizeof(msg_bld_masks_13); |
| 1625 | break; |
| 1626 | case MSG_SSID_14: |
| 1627 | tbl = msg_bld_masks_14; |
| 1628 | tbl_size = sizeof(msg_bld_masks_14); |
| 1629 | break; |
| 1630 | case MSG_SSID_15: |
| 1631 | tbl = msg_bld_masks_15; |
| 1632 | tbl_size = sizeof(msg_bld_masks_15); |
| 1633 | break; |
| 1634 | case MSG_SSID_16: |
| 1635 | tbl = msg_bld_masks_16; |
| 1636 | tbl_size = sizeof(msg_bld_masks_16); |
| 1637 | break; |
| 1638 | case MSG_SSID_17: |
| 1639 | tbl = msg_bld_masks_17; |
| 1640 | tbl_size = sizeof(msg_bld_masks_17); |
| 1641 | break; |
| 1642 | case MSG_SSID_18: |
| 1643 | tbl = msg_bld_masks_18; |
| 1644 | tbl_size = sizeof(msg_bld_masks_18); |
| 1645 | break; |
| 1646 | case MSG_SSID_19: |
| 1647 | tbl = msg_bld_masks_19; |
| 1648 | tbl_size = sizeof(msg_bld_masks_19); |
| 1649 | break; |
| 1650 | case MSG_SSID_20: |
| 1651 | tbl = msg_bld_masks_20; |
| 1652 | tbl_size = sizeof(msg_bld_masks_20); |
| 1653 | break; |
| 1654 | case MSG_SSID_21: |
| 1655 | tbl = msg_bld_masks_21; |
| 1656 | tbl_size = sizeof(msg_bld_masks_21); |
| 1657 | break; |
| 1658 | case MSG_SSID_22: |
| 1659 | tbl = msg_bld_masks_22; |
| 1660 | tbl_size = sizeof(msg_bld_masks_22); |
| 1661 | break; |
| 1662 | } |
| 1663 | if (!tbl) |
| 1664 | continue; |
| 1665 | if (tbl_size > build_mask->range * sizeof(uint32_t)) { |
| 1666 | pr_warn("diag: In %s, table %d has more ssid than max, ssid_first: %d, ssid_last: %d\n", |
| 1667 | __func__, i, build_mask->ssid_first, |
| 1668 | build_mask->ssid_last); |
| 1669 | tbl_size = build_mask->range * sizeof(uint32_t); |
| 1670 | } |
| 1671 | memcpy(build_mask->ptr, tbl, tbl_size); |
| 1672 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1673 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1674 | mutex_unlock(&msg_bt_mask.lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1675 | return err; |
| 1676 | } |
| 1677 | |
| 1678 | static int diag_create_log_mask_table(void) |
| 1679 | { |
| 1680 | struct diag_log_mask_t *mask = NULL; |
| 1681 | uint8_t i; |
| 1682 | int err = 0; |
| 1683 | |
| 1684 | mutex_lock(&log_mask.lock); |
| 1685 | mask = (struct diag_log_mask_t *)(log_mask.ptr); |
| 1686 | for (i = 0; i < MAX_EQUIP_ID; i++, mask++) { |
| 1687 | mask->equip_id = i; |
| 1688 | mask->num_items = LOG_GET_ITEM_NUM(log_code_last_tbl[i]); |
| 1689 | mask->num_items_tools = mask->num_items; |
| 1690 | mutex_init(&mask->lock); |
| 1691 | if (LOG_ITEMS_TO_SIZE(mask->num_items) > MAX_ITEMS_PER_EQUIP_ID) |
| 1692 | mask->range = LOG_ITEMS_TO_SIZE(mask->num_items); |
| 1693 | else |
| 1694 | mask->range = MAX_ITEMS_PER_EQUIP_ID; |
| 1695 | mask->range_tools = mask->range; |
| 1696 | mask->ptr = kzalloc(mask->range, GFP_KERNEL); |
| 1697 | if (!mask->ptr) { |
| 1698 | err = -ENOMEM; |
| 1699 | break; |
| 1700 | } |
| 1701 | kmemleak_not_leak(mask->ptr); |
| 1702 | } |
| 1703 | mutex_unlock(&log_mask.lock); |
| 1704 | return err; |
| 1705 | } |
| 1706 | |
| 1707 | static int __diag_mask_init(struct diag_mask_info *mask_info, int mask_len, |
| 1708 | int update_buf_len) |
| 1709 | { |
| 1710 | if (!mask_info || mask_len < 0 || update_buf_len < 0) |
| 1711 | return -EINVAL; |
| 1712 | |
| 1713 | mask_info->status = DIAG_CTRL_MASK_INVALID; |
| 1714 | mask_info->mask_len = mask_len; |
| 1715 | mask_info->update_buf_len = update_buf_len; |
| 1716 | if (mask_len > 0) { |
| 1717 | mask_info->ptr = kzalloc(mask_len, GFP_KERNEL); |
| 1718 | if (!mask_info->ptr) |
| 1719 | return -ENOMEM; |
| 1720 | kmemleak_not_leak(mask_info->ptr); |
| 1721 | } |
| 1722 | if (update_buf_len > 0) { |
| 1723 | mask_info->update_buf = kzalloc(update_buf_len, GFP_KERNEL); |
| 1724 | if (!mask_info->update_buf) { |
| 1725 | kfree(mask_info->ptr); |
| 1726 | return -ENOMEM; |
| 1727 | } |
| 1728 | kmemleak_not_leak(mask_info->update_buf); |
| 1729 | } |
| 1730 | mutex_init(&mask_info->lock); |
| 1731 | return 0; |
| 1732 | } |
| 1733 | |
| 1734 | static void __diag_mask_exit(struct diag_mask_info *mask_info) |
| 1735 | { |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1736 | if (!mask_info || !mask_info->ptr) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1737 | return; |
| 1738 | |
| 1739 | mutex_lock(&mask_info->lock); |
| 1740 | kfree(mask_info->ptr); |
| 1741 | mask_info->ptr = NULL; |
| 1742 | kfree(mask_info->update_buf); |
| 1743 | mask_info->update_buf = NULL; |
| 1744 | mutex_unlock(&mask_info->lock); |
| 1745 | } |
| 1746 | |
| 1747 | int diag_log_mask_copy(struct diag_mask_info *dest, struct diag_mask_info *src) |
| 1748 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1749 | int i, err = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1750 | struct diag_log_mask_t *src_mask = NULL; |
| 1751 | struct diag_log_mask_t *dest_mask = NULL; |
| 1752 | |
| 1753 | if (!src) |
| 1754 | return -EINVAL; |
| 1755 | |
| 1756 | err = __diag_mask_init(dest, LOG_MASK_SIZE, APPS_BUF_SIZE); |
| 1757 | if (err) |
| 1758 | return err; |
| 1759 | |
| 1760 | mutex_lock(&dest->lock); |
| 1761 | src_mask = (struct diag_log_mask_t *)(src->ptr); |
| 1762 | dest_mask = (struct diag_log_mask_t *)(dest->ptr); |
| 1763 | |
| 1764 | dest->mask_len = src->mask_len; |
| 1765 | dest->status = src->status; |
| 1766 | |
| 1767 | for (i = 0; i < MAX_EQUIP_ID; i++, src_mask++, dest_mask++) { |
| 1768 | dest_mask->equip_id = src_mask->equip_id; |
| 1769 | dest_mask->num_items = src_mask->num_items; |
| 1770 | dest_mask->num_items_tools = src_mask->num_items_tools; |
| 1771 | mutex_init(&dest_mask->lock); |
| 1772 | dest_mask->range = src_mask->range; |
| 1773 | dest_mask->range_tools = src_mask->range_tools; |
| 1774 | dest_mask->ptr = kzalloc(dest_mask->range_tools, GFP_KERNEL); |
| 1775 | if (!dest_mask->ptr) { |
| 1776 | err = -ENOMEM; |
| 1777 | break; |
| 1778 | } |
| 1779 | kmemleak_not_leak(dest_mask->ptr); |
| 1780 | memcpy(dest_mask->ptr, src_mask->ptr, dest_mask->range_tools); |
| 1781 | } |
| 1782 | mutex_unlock(&dest->lock); |
| 1783 | |
| 1784 | return err; |
| 1785 | } |
| 1786 | |
| 1787 | void diag_log_mask_free(struct diag_mask_info *mask_info) |
| 1788 | { |
| 1789 | int i; |
| 1790 | struct diag_log_mask_t *mask = NULL; |
| 1791 | |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1792 | if (!mask_info || !mask_info->ptr) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1793 | return; |
| 1794 | |
| 1795 | mutex_lock(&mask_info->lock); |
| 1796 | mask = (struct diag_log_mask_t *)mask_info->ptr; |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1797 | if (!mask->ptr) { |
| 1798 | pr_err("diag: Invalid input in %s, mask->ptr: %pK\n", |
| 1799 | __func__, mask->ptr); |
| 1800 | mutex_unlock(&mask_info->lock); |
| 1801 | return; |
| 1802 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1803 | for (i = 0; i < MAX_EQUIP_ID; i++, mask++) { |
| 1804 | kfree(mask->ptr); |
| 1805 | mask->ptr = NULL; |
| 1806 | } |
| 1807 | mutex_unlock(&mask_info->lock); |
| 1808 | |
| 1809 | __diag_mask_exit(mask_info); |
| 1810 | |
| 1811 | } |
| 1812 | |
| 1813 | static int diag_msg_mask_init(void) |
| 1814 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1815 | int err = 0, i; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1816 | |
| 1817 | err = __diag_mask_init(&msg_mask, MSG_MASK_SIZE, APPS_BUF_SIZE); |
| 1818 | if (err) |
| 1819 | return err; |
| 1820 | err = diag_create_msg_mask_table(); |
| 1821 | if (err) { |
| 1822 | pr_err("diag: Unable to create msg masks, err: %d\n", err); |
| 1823 | return err; |
| 1824 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1825 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1826 | driver->msg_mask = &msg_mask; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1827 | for (i = 0; i < NUM_PERIPHERALS; i++) |
| 1828 | driver->max_ssid_count[i] = 0; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1829 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1830 | |
| 1831 | return 0; |
| 1832 | } |
| 1833 | |
| 1834 | int diag_msg_mask_copy(struct diag_mask_info *dest, struct diag_mask_info *src) |
| 1835 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1836 | int i, err = 0, mask_size = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1837 | struct diag_msg_mask_t *src_mask = NULL; |
| 1838 | struct diag_msg_mask_t *dest_mask = NULL; |
| 1839 | struct diag_ssid_range_t range; |
| 1840 | |
| 1841 | if (!src || !dest) |
| 1842 | return -EINVAL; |
| 1843 | |
| 1844 | err = __diag_mask_init(dest, MSG_MASK_SIZE, APPS_BUF_SIZE); |
| 1845 | if (err) |
| 1846 | return err; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1847 | mutex_lock(&dest->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1848 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1849 | src_mask = (struct diag_msg_mask_t *)src->ptr; |
| 1850 | dest_mask = (struct diag_msg_mask_t *)dest->ptr; |
| 1851 | |
| 1852 | dest->mask_len = src->mask_len; |
| 1853 | dest->status = src->status; |
| 1854 | for (i = 0; i < driver->msg_mask_tbl_count; i++) { |
| 1855 | range.ssid_first = src_mask->ssid_first; |
| 1856 | range.ssid_last = src_mask->ssid_last; |
| 1857 | err = diag_create_msg_mask_table_entry(dest_mask, &range); |
| 1858 | if (err) |
| 1859 | break; |
Sreelakshmi Gownipalli | 4416491 | 2017-10-17 13:30:10 -0700 | [diff] [blame] | 1860 | if (src_mask->range_tools < dest_mask->range) |
| 1861 | mask_size = src_mask->range_tools * sizeof(uint32_t); |
| 1862 | else |
| 1863 | mask_size = dest_mask->range * sizeof(uint32_t); |
| 1864 | memcpy(dest_mask->ptr, src_mask->ptr, mask_size); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1865 | src_mask++; |
| 1866 | dest_mask++; |
| 1867 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1868 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1869 | mutex_unlock(&dest->lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1870 | return err; |
| 1871 | } |
| 1872 | |
| 1873 | void diag_msg_mask_free(struct diag_mask_info *mask_info) |
| 1874 | { |
| 1875 | int i; |
| 1876 | struct diag_msg_mask_t *mask = NULL; |
| 1877 | |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1878 | if (!mask_info || !mask_info->ptr) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1879 | return; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1880 | mutex_lock(&mask_info->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1881 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1882 | mask = (struct diag_msg_mask_t *)mask_info->ptr; |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 1883 | if (!mask->ptr) { |
| 1884 | pr_err("diag: Invalid input in %s, mask->ptr: %pK\n", |
| 1885 | __func__, mask->ptr); |
| 1886 | mutex_unlock(&driver->msg_mask_lock); |
| 1887 | mutex_unlock(&mask_info->lock); |
| 1888 | return; |
| 1889 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1890 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) { |
| 1891 | kfree(mask->ptr); |
| 1892 | mask->ptr = NULL; |
| 1893 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1894 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1895 | mutex_unlock(&mask_info->lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1896 | __diag_mask_exit(mask_info); |
| 1897 | } |
| 1898 | |
| 1899 | static void diag_msg_mask_exit(void) |
| 1900 | { |
| 1901 | int i; |
| 1902 | struct diag_msg_mask_t *mask = NULL; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1903 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1904 | mask = (struct diag_msg_mask_t *)(msg_mask.ptr); |
| 1905 | if (mask) { |
| 1906 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) |
| 1907 | kfree(mask->ptr); |
| 1908 | kfree(msg_mask.ptr); |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1909 | msg_mask.ptr = NULL; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1910 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1911 | kfree(msg_mask.update_buf); |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1912 | msg_mask.update_buf = NULL; |
| 1913 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1914 | } |
| 1915 | |
| 1916 | static int diag_build_time_mask_init(void) |
| 1917 | { |
| 1918 | int err = 0; |
| 1919 | |
| 1920 | /* There is no need for update buffer for Build Time masks */ |
| 1921 | err = __diag_mask_init(&msg_bt_mask, MSG_MASK_SIZE, 0); |
| 1922 | if (err) |
| 1923 | return err; |
| 1924 | err = diag_create_build_time_mask(); |
| 1925 | if (err) { |
| 1926 | pr_err("diag: Unable to create msg build time masks, err: %d\n", |
| 1927 | err); |
| 1928 | return err; |
| 1929 | } |
| 1930 | driver->build_time_mask = &msg_bt_mask; |
| 1931 | return 0; |
| 1932 | } |
| 1933 | |
| 1934 | static void diag_build_time_mask_exit(void) |
| 1935 | { |
| 1936 | int i; |
| 1937 | struct diag_msg_mask_t *mask = NULL; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1938 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1939 | mask = (struct diag_msg_mask_t *)(msg_bt_mask.ptr); |
| 1940 | if (mask) { |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1941 | for (i = 0; i < driver->bt_msg_mask_tbl_count; i++, mask++) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1942 | kfree(mask->ptr); |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1943 | kfree(msg_bt_mask.ptr); |
| 1944 | msg_bt_mask.ptr = NULL; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1945 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1946 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1947 | } |
| 1948 | |
| 1949 | static int diag_log_mask_init(void) |
| 1950 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1951 | int err = 0, i; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1952 | |
| 1953 | err = __diag_mask_init(&log_mask, LOG_MASK_SIZE, APPS_BUF_SIZE); |
| 1954 | if (err) |
| 1955 | return err; |
| 1956 | err = diag_create_log_mask_table(); |
| 1957 | if (err) |
| 1958 | return err; |
| 1959 | driver->log_mask = &log_mask; |
| 1960 | |
| 1961 | for (i = 0; i < NUM_PERIPHERALS; i++) |
| 1962 | driver->num_equip_id[i] = 0; |
| 1963 | |
| 1964 | return 0; |
| 1965 | } |
| 1966 | |
| 1967 | static void diag_log_mask_exit(void) |
| 1968 | { |
| 1969 | int i; |
| 1970 | struct diag_log_mask_t *mask = NULL; |
| 1971 | |
| 1972 | mask = (struct diag_log_mask_t *)(log_mask.ptr); |
| 1973 | if (mask) { |
| 1974 | for (i = 0; i < MAX_EQUIP_ID; i++, mask++) |
| 1975 | kfree(mask->ptr); |
| 1976 | kfree(log_mask.ptr); |
| 1977 | } |
| 1978 | |
| 1979 | kfree(log_mask.update_buf); |
| 1980 | } |
| 1981 | |
| 1982 | static int diag_event_mask_init(void) |
| 1983 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 1984 | int err = 0, i; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1985 | |
| 1986 | err = __diag_mask_init(&event_mask, EVENT_MASK_SIZE, APPS_BUF_SIZE); |
| 1987 | if (err) |
| 1988 | return err; |
| 1989 | driver->event_mask_size = EVENT_MASK_SIZE; |
| 1990 | driver->last_event_id = APPS_EVENT_LAST_ID; |
| 1991 | driver->event_mask = &event_mask; |
| 1992 | |
| 1993 | for (i = 0; i < NUM_PERIPHERALS; i++) |
| 1994 | driver->num_event_id[i] = 0; |
| 1995 | |
| 1996 | return 0; |
| 1997 | } |
| 1998 | |
| 1999 | int diag_event_mask_copy(struct diag_mask_info *dest, |
| 2000 | struct diag_mask_info *src) |
| 2001 | { |
| 2002 | int err = 0; |
| 2003 | |
| 2004 | if (!src || !dest) |
| 2005 | return -EINVAL; |
| 2006 | |
| 2007 | err = __diag_mask_init(dest, EVENT_MASK_SIZE, APPS_BUF_SIZE); |
| 2008 | if (err) |
| 2009 | return err; |
| 2010 | |
| 2011 | mutex_lock(&dest->lock); |
| 2012 | dest->mask_len = src->mask_len; |
| 2013 | dest->status = src->status; |
| 2014 | memcpy(dest->ptr, src->ptr, dest->mask_len); |
| 2015 | mutex_unlock(&dest->lock); |
| 2016 | |
| 2017 | return err; |
| 2018 | } |
| 2019 | |
| 2020 | void diag_event_mask_free(struct diag_mask_info *mask_info) |
| 2021 | { |
| 2022 | if (!mask_info) |
| 2023 | return; |
| 2024 | |
| 2025 | __diag_mask_exit(mask_info); |
| 2026 | } |
| 2027 | |
| 2028 | static void diag_event_mask_exit(void) |
| 2029 | { |
| 2030 | kfree(event_mask.ptr); |
| 2031 | kfree(event_mask.update_buf); |
| 2032 | } |
| 2033 | |
| 2034 | int diag_copy_to_user_msg_mask(char __user *buf, size_t count, |
| 2035 | struct diag_md_session_t *info) |
| 2036 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 2037 | int i, err = 0, len = 0; |
| 2038 | int copy_len = 0, total_len = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2039 | struct diag_msg_mask_userspace_t header; |
| 2040 | struct diag_mask_info *mask_info = NULL; |
| 2041 | struct diag_msg_mask_t *mask = NULL; |
| 2042 | unsigned char *ptr = NULL; |
| 2043 | |
| 2044 | if (!buf || count == 0) |
| 2045 | return -EINVAL; |
| 2046 | |
| 2047 | mask_info = (!info) ? &msg_mask : info->msg_mask; |
| 2048 | if (!mask_info) |
| 2049 | return -EIO; |
| 2050 | |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 2051 | if (!mask_info->ptr || !mask_info->update_buf) { |
| 2052 | pr_err("diag: In %s, invalid input mask_info->ptr: %pK, mask_info->update_buf: %pK\n", |
| 2053 | __func__, mask_info->ptr, mask_info->update_buf); |
| 2054 | return -EINVAL; |
| 2055 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2056 | mutex_lock(&mask_info->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 2057 | mutex_lock(&driver->msg_mask_lock); |
| 2058 | |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2059 | mask = (struct diag_msg_mask_t *)(mask_info->ptr); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 2060 | if (!mask->ptr) { |
| 2061 | pr_err("diag: Invalid input in %s, mask->ptr: %pK\n", |
| 2062 | __func__, mask->ptr); |
| 2063 | mutex_unlock(&driver->msg_mask_lock); |
| 2064 | mutex_unlock(&mask_info->lock); |
| 2065 | return -EINVAL; |
| 2066 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2067 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) { |
| 2068 | ptr = mask_info->update_buf; |
| 2069 | len = 0; |
| 2070 | mutex_lock(&mask->lock); |
| 2071 | header.ssid_first = mask->ssid_first; |
| 2072 | header.ssid_last = mask->ssid_last_tools; |
| 2073 | header.range = mask->range_tools; |
| 2074 | memcpy(ptr, &header, sizeof(header)); |
| 2075 | len += sizeof(header); |
| 2076 | copy_len = (sizeof(uint32_t) * mask->range_tools); |
| 2077 | if ((len + copy_len) > mask_info->update_buf_len) { |
| 2078 | pr_err("diag: In %s, no space to update msg mask, first: %d, last: %d\n", |
| 2079 | __func__, mask->ssid_first, |
| 2080 | mask->ssid_last_tools); |
| 2081 | mutex_unlock(&mask->lock); |
| 2082 | continue; |
| 2083 | } |
| 2084 | memcpy(ptr + len, mask->ptr, copy_len); |
| 2085 | len += copy_len; |
| 2086 | mutex_unlock(&mask->lock); |
| 2087 | /* + sizeof(int) to account for data_type already in buf */ |
| 2088 | if (total_len + sizeof(int) + len > count) { |
| 2089 | pr_err("diag: In %s, unable to send msg masks to user space, total_len: %d, count: %zu\n", |
| 2090 | __func__, total_len, count); |
| 2091 | err = -ENOMEM; |
| 2092 | break; |
| 2093 | } |
| 2094 | err = copy_to_user(buf + total_len, (void *)ptr, len); |
| 2095 | if (err) { |
| 2096 | pr_err("diag: In %s Unable to send msg masks to user space clients, err: %d\n", |
| 2097 | __func__, err); |
| 2098 | break; |
| 2099 | } |
| 2100 | total_len += len; |
| 2101 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 2102 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 2103 | mutex_unlock(&mask_info->lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2104 | return err ? err : total_len; |
| 2105 | } |
| 2106 | |
| 2107 | int diag_copy_to_user_log_mask(char __user *buf, size_t count, |
| 2108 | struct diag_md_session_t *info) |
| 2109 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 2110 | int i, err = 0, len = 0; |
| 2111 | int copy_len = 0, total_len = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2112 | struct diag_log_mask_userspace_t header; |
| 2113 | struct diag_log_mask_t *mask = NULL; |
| 2114 | struct diag_mask_info *mask_info = NULL; |
| 2115 | unsigned char *ptr = NULL; |
| 2116 | |
| 2117 | if (!buf || count == 0) |
| 2118 | return -EINVAL; |
| 2119 | |
| 2120 | mask_info = (!info) ? &log_mask : info->log_mask; |
| 2121 | if (!mask_info) |
| 2122 | return -EIO; |
| 2123 | |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 2124 | if (!mask_info->ptr || !mask_info->update_buf) { |
| 2125 | pr_err("diag: In %s, invalid input mask_info->ptr: %pK, mask_info->update_buf: %pK\n", |
| 2126 | __func__, mask_info->ptr, mask_info->update_buf); |
| 2127 | return -EINVAL; |
| 2128 | } |
| 2129 | |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2130 | mutex_lock(&mask_info->lock); |
| 2131 | mask = (struct diag_log_mask_t *)(mask_info->ptr); |
Hardik Arya | 3d3436a | 2017-09-11 11:37:33 +0530 | [diff] [blame] | 2132 | if (!mask->ptr) { |
| 2133 | pr_err("diag: Invalid input in %s, mask->ptr: %pK\n", |
| 2134 | __func__, mask->ptr); |
| 2135 | mutex_unlock(&mask_info->lock); |
| 2136 | return -EINVAL; |
| 2137 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2138 | for (i = 0; i < MAX_EQUIP_ID; i++, mask++) { |
| 2139 | ptr = mask_info->update_buf; |
| 2140 | len = 0; |
| 2141 | mutex_lock(&mask->lock); |
| 2142 | header.equip_id = mask->equip_id; |
| 2143 | header.num_items = mask->num_items_tools; |
| 2144 | memcpy(ptr, &header, sizeof(header)); |
| 2145 | len += sizeof(header); |
| 2146 | copy_len = LOG_ITEMS_TO_SIZE(header.num_items); |
| 2147 | if ((len + copy_len) > mask_info->update_buf_len) { |
| 2148 | pr_err("diag: In %s, no space to update log mask, equip_id: %d\n", |
| 2149 | __func__, mask->equip_id); |
| 2150 | mutex_unlock(&mask->lock); |
| 2151 | continue; |
| 2152 | } |
| 2153 | memcpy(ptr + len, mask->ptr, copy_len); |
| 2154 | len += copy_len; |
| 2155 | mutex_unlock(&mask->lock); |
| 2156 | /* + sizeof(int) to account for data_type already in buf */ |
| 2157 | if (total_len + sizeof(int) + len > count) { |
| 2158 | pr_err("diag: In %s, unable to send log masks to user space, total_len: %d, count: %zu\n", |
| 2159 | __func__, total_len, count); |
| 2160 | err = -ENOMEM; |
| 2161 | break; |
| 2162 | } |
| 2163 | err = copy_to_user(buf + total_len, (void *)ptr, len); |
| 2164 | if (err) { |
| 2165 | pr_err("diag: In %s Unable to send log masks to user space clients, err: %d\n", |
| 2166 | __func__, err); |
| 2167 | break; |
| 2168 | } |
| 2169 | total_len += len; |
| 2170 | } |
| 2171 | mutex_unlock(&mask_info->lock); |
| 2172 | |
| 2173 | return err ? err : total_len; |
| 2174 | } |
| 2175 | |
| 2176 | void diag_send_updates_peripheral(uint8_t peripheral) |
| 2177 | { |
Manoj Prabhu B | 9553b46 | 2017-09-25 09:59:47 +0530 | [diff] [blame] | 2178 | if (!driver->feature[peripheral].sent_feature_mask) |
| 2179 | diag_send_feature_mask_update(peripheral); |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 2180 | /* |
| 2181 | * Masks (F3, logs and events) will be sent to |
| 2182 | * peripheral immediately following feature mask update only |
| 2183 | * if diag_id support is not present or |
| 2184 | * diag_id support is present and diag_id has been sent to |
| 2185 | * peripheral. |
| 2186 | */ |
| 2187 | if (!driver->feature[peripheral].diag_id_support || |
| 2188 | driver->diag_id_sent[peripheral]) { |
| 2189 | if (driver->time_sync_enabled) |
| 2190 | diag_send_time_sync_update(peripheral); |
| 2191 | mutex_lock(&driver->md_session_lock); |
Manoj Prabhu B | 5e42986 | 2018-02-28 15:21:42 +0530 | [diff] [blame] | 2192 | if (driver->set_mask_cmd) { |
| 2193 | diag_send_msg_mask_update(peripheral, |
| 2194 | ALL_SSID, ALL_SSID); |
| 2195 | diag_send_log_mask_update(peripheral, ALL_EQUIP_ID); |
| 2196 | diag_send_event_mask_update(peripheral); |
| 2197 | } |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 2198 | mutex_unlock(&driver->md_session_lock); |
| 2199 | diag_send_real_time_update(peripheral, |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2200 | driver->real_time_mode[DIAG_LOCAL_PROC]); |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 2201 | diag_send_peripheral_buffering_mode( |
| 2202 | &driver->buffering_mode[peripheral]); |
Manoj Prabhu B | 9ac639f | 2017-11-21 21:37:11 +0530 | [diff] [blame] | 2203 | |
| 2204 | /* |
| 2205 | * Clear mask_update variable afer updating |
| 2206 | * logging masks to peripheral. |
| 2207 | */ |
| 2208 | mutex_lock(&driver->cntl_lock); |
| 2209 | driver->mask_update ^= PERIPHERAL_MASK(peripheral); |
| 2210 | mutex_unlock(&driver->cntl_lock); |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 2211 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2212 | } |
| 2213 | |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 2214 | int diag_process_apps_masks(unsigned char *buf, int len, int pid) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2215 | { |
Manoj Prabhu B | 90e1f50 | 2017-11-02 20:01:45 +0530 | [diff] [blame] | 2216 | int size = 0, sub_cmd = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2217 | int (*hdlr)(unsigned char *src_buf, int src_len, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 2218 | unsigned char *dest_buf, int dest_len, int pid) = NULL; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2219 | |
| 2220 | if (!buf || len <= 0) |
| 2221 | return -EINVAL; |
| 2222 | |
| 2223 | if (*buf == DIAG_CMD_LOG_CONFIG) { |
| 2224 | sub_cmd = *(int *)(buf + sizeof(int)); |
| 2225 | switch (sub_cmd) { |
| 2226 | case DIAG_CMD_OP_LOG_DISABLE: |
| 2227 | hdlr = diag_cmd_disable_log_mask; |
| 2228 | break; |
| 2229 | case DIAG_CMD_OP_GET_LOG_RANGE: |
| 2230 | hdlr = diag_cmd_get_log_range; |
| 2231 | break; |
| 2232 | case DIAG_CMD_OP_SET_LOG_MASK: |
| 2233 | hdlr = diag_cmd_set_log_mask; |
Manoj Prabhu B | 5e42986 | 2018-02-28 15:21:42 +0530 | [diff] [blame] | 2234 | driver->set_mask_cmd = 1; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2235 | break; |
| 2236 | case DIAG_CMD_OP_GET_LOG_MASK: |
| 2237 | hdlr = diag_cmd_get_log_mask; |
| 2238 | break; |
| 2239 | } |
| 2240 | } else if (*buf == DIAG_CMD_MSG_CONFIG) { |
| 2241 | sub_cmd = *(uint8_t *)(buf + sizeof(uint8_t)); |
| 2242 | switch (sub_cmd) { |
| 2243 | case DIAG_CMD_OP_GET_SSID_RANGE: |
| 2244 | hdlr = diag_cmd_get_ssid_range; |
| 2245 | break; |
| 2246 | case DIAG_CMD_OP_GET_BUILD_MASK: |
| 2247 | hdlr = diag_cmd_get_build_mask; |
| 2248 | break; |
| 2249 | case DIAG_CMD_OP_GET_MSG_MASK: |
| 2250 | hdlr = diag_cmd_get_msg_mask; |
| 2251 | break; |
| 2252 | case DIAG_CMD_OP_SET_MSG_MASK: |
| 2253 | hdlr = diag_cmd_set_msg_mask; |
Manoj Prabhu B | 5e42986 | 2018-02-28 15:21:42 +0530 | [diff] [blame] | 2254 | driver->set_mask_cmd = 1; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2255 | break; |
| 2256 | case DIAG_CMD_OP_SET_ALL_MSG_MASK: |
| 2257 | hdlr = diag_cmd_set_all_msg_mask; |
Manoj Prabhu B | 5e42986 | 2018-02-28 15:21:42 +0530 | [diff] [blame] | 2258 | driver->set_mask_cmd = 1; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2259 | break; |
| 2260 | } |
| 2261 | } else if (*buf == DIAG_CMD_GET_EVENT_MASK) { |
| 2262 | hdlr = diag_cmd_get_event_mask; |
| 2263 | } else if (*buf == DIAG_CMD_SET_EVENT_MASK) { |
| 2264 | hdlr = diag_cmd_update_event_mask; |
Manoj Prabhu B | 5e42986 | 2018-02-28 15:21:42 +0530 | [diff] [blame] | 2265 | driver->set_mask_cmd = 1; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2266 | } else if (*buf == DIAG_CMD_EVENT_TOGGLE) { |
| 2267 | hdlr = diag_cmd_toggle_events; |
Manoj Prabhu B | 5e42986 | 2018-02-28 15:21:42 +0530 | [diff] [blame] | 2268 | driver->set_mask_cmd = 1; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2269 | } |
| 2270 | |
| 2271 | if (hdlr) |
| 2272 | size = hdlr(buf, len, driver->apps_rsp_buf, |
Hardik Arya | dbb1c2a | 2017-11-10 16:29:16 +0530 | [diff] [blame] | 2273 | DIAG_MAX_RSP_SIZE, pid); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2274 | |
| 2275 | return (size > 0) ? size : 0; |
| 2276 | } |
| 2277 | |
| 2278 | int diag_masks_init(void) |
| 2279 | { |
| 2280 | int err = 0; |
| 2281 | |
| 2282 | err = diag_msg_mask_init(); |
| 2283 | if (err) |
| 2284 | goto fail; |
| 2285 | |
| 2286 | err = diag_build_time_mask_init(); |
| 2287 | if (err) |
| 2288 | goto fail; |
| 2289 | |
| 2290 | err = diag_log_mask_init(); |
| 2291 | if (err) |
| 2292 | goto fail; |
| 2293 | |
| 2294 | err = diag_event_mask_init(); |
| 2295 | if (err) |
| 2296 | goto fail; |
| 2297 | |
| 2298 | if (driver->buf_feature_mask_update == NULL) { |
| 2299 | driver->buf_feature_mask_update = kzalloc(sizeof( |
| 2300 | struct diag_ctrl_feature_mask) + |
| 2301 | FEATURE_MASK_LEN, GFP_KERNEL); |
| 2302 | if (driver->buf_feature_mask_update == NULL) |
| 2303 | goto fail; |
| 2304 | kmemleak_not_leak(driver->buf_feature_mask_update); |
| 2305 | } |
| 2306 | |
| 2307 | return 0; |
| 2308 | fail: |
| 2309 | pr_err("diag: Could not initialize diag mask buffers\n"); |
| 2310 | diag_masks_exit(); |
| 2311 | return -ENOMEM; |
| 2312 | } |
| 2313 | |
| 2314 | void diag_masks_exit(void) |
| 2315 | { |
| 2316 | diag_msg_mask_exit(); |
| 2317 | diag_build_time_mask_exit(); |
| 2318 | diag_log_mask_exit(); |
| 2319 | diag_event_mask_exit(); |
| 2320 | kfree(driver->buf_feature_mask_update); |
| 2321 | } |