Dinesh K Garg | 6bbbb70 | 2015-01-30 11:13:31 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * Redistribution and use in source and binary forms, with or without |
| 4 | * modification, are permitted provided that the following conditions are |
| 5 | * met: |
| 6 | * * Redistributions of source code must retain the above copyright |
| 7 | * notice, this list of conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above |
| 9 | * copyright notice, this list of conditions and the following |
| 10 | * disclaimer in the documentation and/or other materials provided |
| 11 | * with the distribution. |
| 12 | * * Neither the name of The Linux Foundation nor the names of its |
| 13 | * contributors may be used to endorse or promote products derived |
| 14 | * from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 23 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 25 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 26 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #define pr_fmt(fmt) "QSEECOM: %s: " fmt, __func__ |
| 30 | |
| 31 | #include <partition_parser.h> |
| 32 | #include <qseecom_lk.h> |
| 33 | #include <scm.h> |
| 34 | #include <qseecomi_lk.h> |
| 35 | #include "qseecom_lk_api.h" |
| 36 | #include <debug.h> |
| 37 | #include <kernel/mutex.h> |
| 38 | #include <malloc.h> |
| 39 | #include <stdlib.h> |
| 40 | #include <arch/defines.h> |
| 41 | #include <string.h> |
| 42 | #include <platform/iomap.h> |
| 43 | #include <platform.h> |
| 44 | |
| 45 | #define QSEOS_VERSION_14 0x14 |
| 46 | #define QSEEE_VERSION_00 0x400000 |
| 47 | #define QSEE_VERSION_20 0x800000 |
| 48 | |
| 49 | |
| 50 | #define QSEOS_CHECK_VERSION_CMD 0x00001803 |
| 51 | |
| 52 | #define MAX_SCM_ARGS 10 |
| 53 | #define N_EXT_SCM_ARGS 7 |
| 54 | #define FIRST_EXT_ARG_IDX 3 |
| 55 | |
| 56 | #define N_REGISTER_ARGS (MAX_SCM_ARGS - N_EXT_SCM_ARGS + 1) |
| 57 | |
| 58 | #define QSEE_LOG_BUF_SIZE (4096) |
| 59 | #define GENERIC_ERROR -1 |
| 60 | #define LISTENER_ALREADY_PRESENT_ERROR -2 |
| 61 | |
| 62 | #define TZ_CALL 6 |
| 63 | enum qseecom_client_handle_type { |
| 64 | QSEECOM_CLIENT_APP = 1, |
| 65 | QSEECOM_LISTENER_SERVICE, |
| 66 | QSEECOM_SECURE_SERVICE, |
| 67 | QSEECOM_GENERIC, |
| 68 | QSEECOM_UNAVAILABLE_CLIENT_APP, |
| 69 | }; |
| 70 | |
| 71 | struct qseecom_registered_listener_list { |
| 72 | struct list_node node; |
| 73 | struct qseecom_register_listener_req svc; |
| 74 | ListenerCallback CallbackFn; |
| 75 | }; |
| 76 | |
| 77 | struct qseecom_registered_app_list { |
| 78 | struct list_node node; |
| 79 | uint32_t app_id; |
| 80 | uint32_t ref_cnt; |
| 81 | char app_name[MAX_APP_NAME_SIZE]; |
| 82 | int handle; |
| 83 | }; |
| 84 | |
| 85 | struct qseecom_control { |
| 86 | struct list_node registered_listener_list_head; |
| 87 | mutex_t registered_listener_list_lock; |
| 88 | |
| 89 | struct list_node registered_app_list_head; |
| 90 | mutex_t registered_app_list_lock; |
| 91 | |
| 92 | uint32_t qseos_version; |
| 93 | uint32_t qsee_version; |
| 94 | int handle; |
| 95 | bool commonlib_loaded; |
| 96 | mutex_t global_data_lock; |
| 97 | uint32_t cmnlib_loaded; |
| 98 | uint32_t qseecom_init_done; |
| 99 | uint32_t qseecom_tz_init_done; |
| 100 | }; |
| 101 | |
| 102 | struct qseecom_listener_handle { |
| 103 | uint32_t id; |
| 104 | }; |
| 105 | |
| 106 | static struct qseecom_reg_log_buf_ireq logbuf_req; |
| 107 | static struct qseecom_control qseecom; |
| 108 | static int __qseecom_process_incomplete_cmd(struct qseecom_command_scm_resp *resp, |
| 109 | struct qseecom_client_listener_data_irsp *send_data_rsp); |
| 110 | |
| 111 | /* |
| 112 | * Appsbl runs in Aarch32 when this is ported for Aarch64, |
| 113 | * change return type for uint64_t. |
| 114 | */ |
| 115 | static uint32_t __qseecom_uvirt_to_kphys(uint64_t virt) |
| 116 | { |
| 117 | dprintf(SPEW, "%s called\n", __func__); |
| 118 | return (uint32_t)platform_get_virt_to_phys_mapping((addr_t)virt); |
| 119 | } |
| 120 | |
| 121 | static int _disp_log_stats(struct tzdbg_log_t *log, uint32_t log_len, |
| 122 | uint32_t startOffset, uint32_t endOffset) |
| 123 | { |
| 124 | uint32_t MaxBufSize = 0; |
| 125 | uint32_t LogBufSize = 0; |
| 126 | uint32_t LogBufFirstHalf = 0; |
| 127 | uint32_t len = 0; |
| 128 | char *pCurPos, *pPrintPos = NULL; |
| 129 | void *pLogBuf = NULL; |
| 130 | int ret = GENERIC_ERROR; |
| 131 | |
| 132 | MaxBufSize = QSEE_LOG_BUF_SIZE - sizeof(struct tzdbg_log_pos_t); |
| 133 | |
| 134 | dprintf(SPEW, "%s called\n", __func__); |
| 135 | if (startOffset < endOffset) |
| 136 | { |
| 137 | LogBufSize = endOffset - startOffset; |
| 138 | pLogBuf = malloc(LogBufSize); |
| 139 | if (NULL == pLogBuf) |
| 140 | { |
| 141 | ret = GENERIC_ERROR; |
| 142 | dprintf(CRITICAL, "Failed to alloc buffer to print TZ Log:%u\n", LogBufSize); |
| 143 | goto err; |
| 144 | } |
| 145 | memset(pLogBuf, 0, LogBufSize); |
| 146 | memscpy(pLogBuf, LogBufSize, (char *)((uint32_t)log->log_buf + startOffset), LogBufSize); |
| 147 | } |
| 148 | else if ( endOffset < startOffset) |
| 149 | { |
| 150 | LogBufSize = MaxBufSize - (startOffset - endOffset); |
| 151 | LogBufFirstHalf = MaxBufSize - startOffset; |
| 152 | pLogBuf = malloc(LogBufSize); |
| 153 | if (NULL == pLogBuf) |
| 154 | { |
| 155 | ret = GENERIC_ERROR; |
| 156 | dprintf(CRITICAL, "Failed to alloc buffer to print TZ Log:%u\n", LogBufSize); |
| 157 | goto err; |
| 158 | } |
| 159 | memset(pLogBuf, 0, LogBufSize); |
| 160 | memscpy(pLogBuf, LogBufSize, (char *)((uint32_t)log->log_buf + startOffset), LogBufFirstHalf); |
| 161 | memscpy((char *)((uint32_t)pLogBuf+ LogBufFirstHalf), (LogBufSize - LogBufFirstHalf), log->log_buf, endOffset); |
| 162 | } |
| 163 | else //endOffset == startOffset |
| 164 | { |
| 165 | ret = 0; |
| 166 | goto err; |
| 167 | } |
| 168 | |
| 169 | /* |
| 170 | * Read from ring buff while there is data and space in return buff |
| 171 | */ |
| 172 | pCurPos = pLogBuf; |
| 173 | pPrintPos = pCurPos; |
| 174 | while (len < LogBufSize) |
| 175 | { |
| 176 | //QSEE separate each line by "\r \n" |
| 177 | if ((*pCurPos == '\r')&&(*(pCurPos+1) == '\n')) |
| 178 | { |
| 179 | //update the line to dump |
| 180 | *pCurPos = '\0'; |
| 181 | len++; |
| 182 | pCurPos++; |
| 183 | *pCurPos = '\0'; |
| 184 | len++; |
| 185 | pCurPos++; |
| 186 | dprintf(ALWAYS, "%s\n", pPrintPos); |
| 187 | pPrintPos = pCurPos; |
| 188 | continue; |
| 189 | } |
| 190 | len++; |
| 191 | pCurPos++; |
| 192 | } |
| 193 | ret = 0; |
| 194 | free(pLogBuf); |
| 195 | err: |
| 196 | return ret; |
| 197 | } |
| 198 | |
| 199 | static int allocate_extra_arg_buffer(uint32_t fn_id, struct scm_desc *desc) |
| 200 | { |
| 201 | int i; |
| 202 | int ret = GENERIC_ERROR; |
| 203 | scmcall_arg arg = {0}; |
| 204 | scmcall_ret ret_arg = {0}; |
| 205 | int arglen = 0; |
| 206 | |
| 207 | if (!desc) { |
| 208 | dprintf(CRITICAL, "%s: Invalid input\n", __func__); |
| 209 | return GENERIC_ERROR; |
| 210 | } |
| 211 | |
| 212 | dprintf(SPEW, "%s called\n", __func__); |
| 213 | arglen = desc->arginfo & 0xf; |
| 214 | |
| 215 | dprintf(SPEW, "%s:fn_id:%u, desc->arginfo:%u desc->args[0]:%u desc->args[1]:%u desc->args[2]:%u desc->args[3]:%u desc->args[4]:%u\n", |
| 216 | __func__, fn_id, desc->arginfo, desc->args[0], desc->args[1], desc->args[2], desc->args[3], desc->args[4]); |
| 217 | |
| 218 | arg.x0 = fn_id; |
| 219 | arg.x1 = desc->arginfo; |
| 220 | arg.x2 = desc->args[0]; |
| 221 | arg.x3 = desc->args[1]; |
| 222 | arg.x4 = desc->args[2]; |
| 223 | |
| 224 | if (arglen > FIRST_EXT_ARG_IDX) { |
| 225 | for (i = 0; i < (arglen - FIRST_EXT_ARG_IDX); i++) { |
| 226 | arg.x5[i] = desc->args[i + FIRST_EXT_ARG_IDX]; |
| 227 | } |
| 228 | } |
| 229 | ret = scm_call2(&arg, &ret_arg); |
| 230 | desc->ret[0] = ret_arg.x1; |
| 231 | desc->ret[1] = ret_arg.x2; |
| 232 | desc->ret[2] = ret_arg.x3; |
| 233 | |
| 234 | dprintf(SPEW, "%s:ret:%d, desc->ret[0]]:%u desc->ret[1]:%u desc->ret[2]:%u\n", |
| 235 | __func__, ret, desc->ret[0], desc->ret[1], desc->ret[2]); |
| 236 | return ret; |
| 237 | } |
| 238 | |
| 239 | static int qseecom_scm_call2(uint32_t svc_id, uint32_t tz_cmd_id, |
| 240 | const void *req_buf, void *resp_buf) |
| 241 | { |
| 242 | int ret = 0; |
| 243 | uint32_t smc_id = 0; |
| 244 | uint32_t qseos_cmd_id = 0; |
| 245 | struct scm_desc desc = {0}; |
| 246 | struct qseecom_command_scm_resp *scm_resp = NULL; |
| 247 | |
| 248 | if (!req_buf || !resp_buf) { |
| 249 | dprintf(CRITICAL, "Invalid buffer pointer\n"); |
| 250 | return GENERIC_ERROR; |
| 251 | } |
| 252 | dprintf(SPEW, "%s called\n", __func__); |
| 253 | |
| 254 | qseos_cmd_id = *(uint32_t *)req_buf; |
| 255 | scm_resp = (struct qseecom_command_scm_resp *)resp_buf; |
| 256 | |
| 257 | switch (svc_id) { |
| 258 | case TZ_CALL: { |
| 259 | if (tz_cmd_id == 1) { |
| 260 | smc_id = TZ_INFO_IS_SVC_AVAILABLE_ID; |
| 261 | desc.arginfo = TZ_INFO_IS_SVC_AVAILABLE_ID_PARAM_ID; |
| 262 | desc.args[0] = TZ_INFO_GET_FEATURE_VERSION_ID; |
| 263 | } else if (tz_cmd_id == 3) { |
| 264 | smc_id = TZ_INFO_GET_FEATURE_VERSION_ID; |
| 265 | desc.arginfo = TZ_INFO_GET_FEATURE_VERSION_ID_PARAM_ID; |
| 266 | desc.args[0] = *(uint32_t *)req_buf; |
| 267 | } |
| 268 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 269 | break; |
| 270 | } |
| 271 | |
| 272 | case SCM_SVC_TZSCHEDULER: { |
| 273 | switch (qseos_cmd_id) { |
| 274 | case QSEE_APP_START_COMMAND: { |
| 275 | struct qseecom_load_app_ireq *req; |
| 276 | req = (struct qseecom_load_app_ireq *)req_buf; |
| 277 | smc_id = TZ_OS_APP_START_ID; |
| 278 | desc.arginfo = TZ_OS_APP_START_ID_PARAM_ID; |
| 279 | desc.args[0] = req->mdt_len; |
| 280 | desc.args[1] = req->img_len; |
| 281 | desc.args[2] = req->phy_addr; |
| 282 | dprintf(SPEW, "args[0]:%u args[1]:%u args[2]:%u\n", |
| 283 | desc.args[0], desc.args[1], desc.args[2]); |
| 284 | dprintf(SPEW, "mdt_len:%u img_len:%u phy_addr:%u\n", |
| 285 | req->mdt_len, req->img_len, req->phy_addr); |
| 286 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 287 | |
| 288 | break; |
| 289 | } |
| 290 | case QSEE_APP_SHUTDOWN_COMMAND: { |
| 291 | struct qseecom_unload_app_ireq *req; |
| 292 | req = (struct qseecom_unload_app_ireq *)req_buf; |
| 293 | smc_id = TZ_OS_APP_SHUTDOWN_ID; |
| 294 | desc.arginfo = TZ_OS_APP_SHUTDOWN_ID_PARAM_ID; |
| 295 | desc.args[0] = req->app_id; |
| 296 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 297 | break; |
| 298 | } |
| 299 | case QSEE_APP_REGION_NOTIFICATION: { |
| 300 | struct qsee_apps_region_info_ireq *req; |
| 301 | req = (struct qsee_apps_region_info_ireq *)req_buf; |
| 302 | smc_id = TZ_OS_APP_REGION_NOTIFICATION_ID; |
| 303 | desc.arginfo = |
| 304 | TZ_OS_APP_REGION_NOTIFICATION_ID_PARAM_ID; |
| 305 | desc.args[0] = req->addr; |
| 306 | desc.args[1] = req->size; |
| 307 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 308 | break; |
| 309 | } |
| 310 | case QSEE_LOAD_SERV_IMAGE_COMMAND: { |
| 311 | struct qseecom_load_app_ireq *req; |
| 312 | req = (struct qseecom_load_app_ireq *)req_buf; |
| 313 | smc_id = TZ_OS_LOAD_SERVICES_IMAGE_ID; |
| 314 | desc.arginfo = TZ_OS_LOAD_SERVICES_IMAGE_ID_PARAM_ID; |
| 315 | desc.args[0] = req->mdt_len; |
| 316 | desc.args[1] = req->img_len; |
| 317 | desc.args[2] = req->phy_addr; |
| 318 | dprintf(SPEW, "QSEE_LOAD_SERV_IMAGE_COMMAND mdt_len:%u img_len:%u phy_addr:%u\n", |
| 319 | req->mdt_len, req->img_len, req->phy_addr); |
| 320 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 321 | break; |
| 322 | } |
| 323 | case QSEE_UNLOAD_SERV_IMAGE_COMMAND: { |
| 324 | smc_id = TZ_OS_UNLOAD_SERVICES_IMAGE_ID; |
| 325 | desc.arginfo = TZ_OS_UNLOAD_SERVICES_IMAGE_ID_PARAM_ID; |
| 326 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 327 | break; |
| 328 | } |
| 329 | case QSEE_REGISTER_LISTENER: { |
| 330 | struct qseecom_register_listener_ireq *req; |
| 331 | req = (struct qseecom_register_listener_ireq *)req_buf; |
| 332 | smc_id = TZ_OS_REGISTER_LISTENER_ID; |
| 333 | desc.arginfo = |
| 334 | TZ_OS_REGISTER_LISTENER_ID_PARAM_ID; |
| 335 | desc.args[0] = req->listener_id; |
| 336 | desc.args[1] = req->sb_ptr; |
| 337 | desc.args[2] = req->sb_len; |
| 338 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 339 | break; |
| 340 | } |
| 341 | case QSEE_DEREGISTER_LISTENER: { |
| 342 | struct qseecom_unregister_listener_ireq *req; |
| 343 | req = (struct qseecom_unregister_listener_ireq *) |
| 344 | req_buf; |
| 345 | smc_id = TZ_OS_DEREGISTER_LISTENER_ID; |
| 346 | desc.arginfo = TZ_OS_DEREGISTER_LISTENER_ID_PARAM_ID; |
| 347 | desc.args[0] = req->listener_id; |
| 348 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 349 | break; |
| 350 | } |
| 351 | case QSEE_LISTENER_DATA_RSP_COMMAND: { |
| 352 | struct qseecom_client_listener_data_irsp *req; |
| 353 | req = (struct qseecom_client_listener_data_irsp *) |
| 354 | req_buf; |
| 355 | smc_id = TZ_OS_LISTENER_RESPONSE_HANDLER_ID; |
| 356 | desc.arginfo = |
| 357 | TZ_OS_LISTENER_RESPONSE_HANDLER_ID_PARAM_ID; |
| 358 | desc.args[0] = req->listener_id; |
| 359 | desc.args[1] = req->status; |
| 360 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 361 | break; |
| 362 | } |
| 363 | case QSEE_CLIENT_SEND_DATA_COMMAND: { |
| 364 | struct qseecom_client_send_data_ireq *req; |
| 365 | req = (struct qseecom_client_send_data_ireq *)req_buf; |
| 366 | smc_id = TZ_APP_QSAPP_SEND_DATA_ID; |
| 367 | desc.arginfo = TZ_APP_QSAPP_SEND_DATA_ID_PARAM_ID; |
| 368 | desc.args[0] = req->app_id; |
| 369 | desc.args[1] = req->req_ptr; |
| 370 | desc.args[2] = req->req_len; |
| 371 | desc.args[3] = req->rsp_ptr; |
| 372 | desc.args[4] = req->rsp_len; |
| 373 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 374 | break; |
| 375 | } |
| 376 | case QSEE_RPMB_PROVISION_KEY_COMMAND: { |
| 377 | struct qseecom_client_send_service_ireq *req; |
| 378 | req = (struct qseecom_client_send_service_ireq *) |
| 379 | req_buf; |
| 380 | smc_id = TZ_OS_RPMB_PROVISION_KEY_ID; |
| 381 | desc.arginfo = TZ_OS_RPMB_PROVISION_KEY_ID_PARAM_ID; |
| 382 | desc.args[0] = req->key_type; |
| 383 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 384 | break; |
| 385 | } |
| 386 | case QSEE_RPMB_ERASE_COMMAND: { |
| 387 | smc_id = TZ_OS_RPMB_ERASE_ID; |
| 388 | desc.arginfo = TZ_OS_RPMB_ERASE_ID_PARAM_ID; |
| 389 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 390 | break; |
| 391 | } |
| 392 | |
| 393 | case QSEE_REGISTER_LOG_BUF_COMMAND: { |
| 394 | struct qseecom_reg_log_buf_ireq *req; |
| 395 | req = (struct qseecom_reg_log_buf_ireq *)req_buf; |
| 396 | smc_id = TZ_OS_REGISTER_LOG_BUFFER_ID; |
| 397 | desc.arginfo = TZ_OS_REGISTER_LOG_BUFFER_ID_PARAM_ID; |
| 398 | desc.args[0] = req->phy_addr; |
| 399 | desc.args[1] = req->len; |
| 400 | ret = allocate_extra_arg_buffer(smc_id, &desc); |
| 401 | break; |
| 402 | } |
| 403 | default: { |
| 404 | dprintf(CRITICAL, "qseos_cmd_id 0x%d is not supported by armv8 scm_call2.\n", |
| 405 | qseos_cmd_id); |
| 406 | ret = GENERIC_ERROR; |
| 407 | break; |
| 408 | } |
| 409 | } /*end of switch (qsee_cmd_id) */ |
| 410 | break; |
| 411 | } /*end of case SCM_SVC_TZSCHEDULER*/ |
| 412 | default: { |
| 413 | dprintf(CRITICAL, "svc_id 0x%x is not supported by armv8 scm_call2.\n", |
| 414 | svc_id); |
| 415 | ret = GENERIC_ERROR; |
| 416 | break; |
| 417 | } |
| 418 | } /*end of switch svc_id */ |
| 419 | scm_resp->result = desc.ret[0]; |
| 420 | scm_resp->resp_type = desc.ret[1]; |
| 421 | scm_resp->data = desc.ret[2]; |
| 422 | dprintf(SPEW, "svc_id = 0x%x, tz_cmd_id = 0x%x, qseos_cmd_id = 0x%x, smc_id = 0x%x, param_id = 0x%x\n", |
| 423 | svc_id, tz_cmd_id, qseos_cmd_id, smc_id, desc.arginfo); |
| 424 | dprintf(SPEW, "scm_resp->result = 0x%x, scm_resp->resp_type = 0x%x, scm_resp->data = 0x%x\n", |
| 425 | scm_resp->result, scm_resp->resp_type, scm_resp->data); |
| 426 | return ret; |
| 427 | } |
| 428 | |
| 429 | static int qseecom_scm_call(uint32_t svc_id, uint32_t tz_cmd_id, void *cmd_buf, |
| 430 | size_t cmd_len, void *resp_buf, size_t resp_len) |
| 431 | { |
| 432 | void *req = NULL; |
| 433 | struct qseecom_command_scm_resp *resp = NULL; |
| 434 | struct qseecom_client_listener_data_irsp send_data_rsp = {0}; |
| 435 | int ret = GENERIC_ERROR; |
| 436 | uint32_t qseos_cmd_id = 0; |
| 437 | |
| 438 | if ((!cmd_buf) || (!resp_buf)) |
| 439 | return GENERIC_ERROR; |
| 440 | |
| 441 | dprintf(SPEW, "%s called\n", __func__); |
| 442 | mutex_acquire(&qseecom.registered_app_list_lock); |
| 443 | req = cmd_buf; |
| 444 | qseos_cmd_id = *(uint32_t *)req; |
| 445 | resp = (struct qseecom_command_scm_resp *) resp_buf; |
| 446 | |
| 447 | do { |
| 448 | if (!is_scm_armv8_support()) { |
| 449 | ret = scm_call(svc_id, tz_cmd_id, req, cmd_len, |
| 450 | resp_buf, resp_len); |
| 451 | } else { |
| 452 | ret = qseecom_scm_call2(svc_id, tz_cmd_id, req, resp); |
| 453 | } |
| 454 | |
| 455 | if (ret) { |
| 456 | dprintf(CRITICAL, "ERROR: scm_call to load failed : ret %d\n", ret); |
| 457 | ret = GENERIC_ERROR; |
| 458 | goto err; |
| 459 | } |
| 460 | |
| 461 | if (svc_id == TZ_CALL) { |
| 462 | goto err; |
| 463 | } |
| 464 | |
| 465 | switch (resp->result) { |
| 466 | case QSEOS_RESULT_SUCCESS: |
| 467 | if(((resp->resp_type != QSEOS_APP_ID) || (resp->data <= 0)) && |
| 468 | ((qseos_cmd_id == QSEE_CLIENT_SEND_DATA_COMMAND) || |
| 469 | (qseos_cmd_id == QSEE_LISTENER_DATA_RSP_COMMAND))) |
| 470 | { |
| 471 | dprintf(CRITICAL, "ERROR: Resp type %d or Resp Data %d incorrect\n", |
| 472 | resp->resp_type, resp->data); |
| 473 | ret = GENERIC_ERROR; |
| 474 | goto err; |
| 475 | } |
| 476 | goto err; |
| 477 | case QSEOS_RESULT_FAILURE: |
| 478 | dprintf(CRITICAL, "scm call failed w/response result%d\n", resp->result); |
| 479 | ret = GENERIC_ERROR; |
| 480 | goto err; |
| 481 | case QSEOS_RESULT_INCOMPLETE: |
| 482 | if(resp->resp_type != QSEOS_LISTENER_ID) |
| 483 | { |
| 484 | ret = GENERIC_ERROR; |
| 485 | dprintf(CRITICAL, "Listener service incorrect resp->result:%d resp->resp_type:%d\n", |
| 486 | resp->result, resp->resp_type); |
| 487 | goto err; |
| 488 | } |
| 489 | __qseecom_process_incomplete_cmd(resp, &send_data_rsp); |
| 490 | req = (void *)&send_data_rsp; |
| 491 | qseos_cmd_id = QSEE_LISTENER_DATA_RSP_COMMAND; |
| 492 | break; |
| 493 | default: |
| 494 | dprintf(CRITICAL, "scm call return unknown response %d\n", resp->result); |
| 495 | ret = GENERIC_ERROR; |
| 496 | goto err; |
| 497 | } |
| 498 | } while(true); |
| 499 | |
| 500 | err: |
| 501 | mutex_release(&qseecom.registered_app_list_lock); |
| 502 | return ret; |
| 503 | |
| 504 | } |
| 505 | |
| 506 | static int __qseecom_process_incomplete_cmd(struct qseecom_command_scm_resp *resp, |
| 507 | struct qseecom_client_listener_data_irsp *send_data_rsp) |
| 508 | { |
| 509 | int ret = 0; |
| 510 | struct qseecom_registered_listener_list *entry; |
| 511 | |
| 512 | if ((!resp) || (!send_data_rsp)) |
| 513 | { |
| 514 | return GENERIC_ERROR; |
| 515 | } |
| 516 | |
| 517 | dprintf(SPEW, "%s called\n", __func__); |
| 518 | mutex_acquire(&qseecom.global_data_lock); |
| 519 | |
| 520 | list_for_every_entry(&qseecom.registered_listener_list_head, |
| 521 | entry, struct qseecom_registered_listener_list, node) { |
| 522 | if (resp->data == entry->svc.listener_id) { |
| 523 | arch_invalidate_cache_range((addr_t) entry->svc.virt_sb_base, entry->svc.sb_size); |
| 524 | entry->CallbackFn(entry->svc.virt_sb_base, entry->svc.sb_size); |
| 525 | arch_clean_invalidate_cache_range((addr_t) entry->svc.virt_sb_base, entry->svc.sb_size); |
| 526 | break; |
| 527 | } |
| 528 | } |
| 529 | send_data_rsp->qsee_cmd_id = QSEE_LISTENER_DATA_RSP_COMMAND; |
| 530 | send_data_rsp->listener_id = entry->svc.listener_id; |
| 531 | send_data_rsp->status = 0; |
| 532 | mutex_release(&qseecom.global_data_lock); |
| 533 | return ret; |
| 534 | } |
| 535 | |
| 536 | static int __qseecom_load_app(const char *app_name, unsigned int *app_id) |
| 537 | { |
| 538 | int index = INVALID_PTN; |
| 539 | unsigned long long ptn = 0; |
| 540 | unsigned long long size = 0; |
| 541 | void *buf = NULL; |
| 542 | void *req = NULL; |
| 543 | struct qseecom_load_app_ireq load_req = {0}; |
| 544 | struct qseecom_command_scm_resp resp; |
| 545 | struct tzdbg_log_t *log = NULL; |
| 546 | uint32_t QseeLogStart = 0; |
| 547 | uint32_t QseeLogNewStart = 0; |
| 548 | |
| 549 | int ret = GENERIC_ERROR; |
| 550 | uint8_t lun = 0; |
| 551 | |
| 552 | if (!app_name) |
| 553 | return GENERIC_ERROR; |
| 554 | |
| 555 | dprintf(SPEW, "%s called\n", __func__); |
| 556 | index = partition_get_index(app_name); |
| 557 | lun = partition_get_lun(index); |
| 558 | mmc_set_lun(lun); |
| 559 | |
| 560 | size = partition_get_size(index); |
| 561 | |
| 562 | buf = memalign(PAGE_SIZE, ROUNDUP(size, PAGE_SIZE)); |
| 563 | if (!buf) { |
| 564 | dprintf(CRITICAL, "%s: Aloc failed for %s image\n", |
| 565 | __func__, app_name); |
| 566 | ret = GENERIC_ERROR; |
| 567 | goto err; |
| 568 | } |
| 569 | |
| 570 | ptn = partition_get_offset(index); |
| 571 | if(ptn == 0) { |
| 572 | dprintf(CRITICAL, "ERROR: No %s found\n", app_name); |
| 573 | ret = GENERIC_ERROR; |
| 574 | goto err; |
| 575 | } |
| 576 | if (mmc_read(ptn, (unsigned int *) buf, size)) { |
| 577 | dprintf(CRITICAL, "ERROR: Cannot read %s image\n", app_name); |
| 578 | ret = GENERIC_ERROR; |
| 579 | goto err; |
| 580 | } |
| 581 | |
| 582 | /* Currently on 8994 only 32-bit phy addr is supported |
| 583 | * Hence downcasting is okay |
| 584 | */ |
| 585 | load_req.phy_addr = (uint32_t)__qseecom_uvirt_to_kphys((uint32_t) buf); |
| 586 | load_req.qsee_cmd_id = QSEE_APP_START_COMMAND; |
| 587 | load_req.img_len = size; |
| 588 | load_req.mdt_len = 0; |
| 589 | dprintf(SPEW, "phy_addr:%u img_len:%u\n", load_req.phy_addr, load_req.img_len); |
| 590 | |
| 591 | memscpy(&load_req.app_name, MAX_APP_NAME_SIZE, app_name, MAX_APP_NAME_SIZE); |
| 592 | req = (void *)&load_req; |
| 593 | |
| 594 | log = (struct tzdbg_log_t *)logbuf_req.phy_addr; |
| 595 | arch_invalidate_cache_range((addr_t) logbuf_req.phy_addr, logbuf_req.len); |
| 596 | QseeLogStart = (uint32_t) log->log_pos.offset; |
| 597 | |
| 598 | arch_clean_invalidate_cache_range((addr_t) load_req.phy_addr, load_req.img_len); |
| 599 | ret = qseecom_scm_call(SCM_SVC_TZSCHEDULER, 1, req, |
| 600 | sizeof(struct qseecom_load_lib_image_ireq), |
| 601 | &resp, sizeof(resp)); |
| 602 | if(ret == 0) |
| 603 | *app_id = resp.data; |
| 604 | else |
| 605 | *app_id = 0; |
| 606 | arch_invalidate_cache_range((addr_t) logbuf_req.phy_addr, logbuf_req.len); |
| 607 | QseeLogNewStart = (uint32_t) log->log_pos.offset; |
| 608 | |
| 609 | _disp_log_stats((struct tzdbg_log_t *) logbuf_req.phy_addr, QSEE_LOG_BUF_SIZE - sizeof(struct tzdbg_log_pos_t), |
| 610 | QseeLogStart, QseeLogNewStart); |
| 611 | err: |
| 612 | if (buf) |
| 613 | free(buf); |
| 614 | return ret; |
| 615 | } |
| 616 | |
| 617 | static int qseecom_load_commonlib_image(char * app_name) |
| 618 | { |
| 619 | int index = INVALID_PTN; |
| 620 | unsigned long long ptn = 0; |
| 621 | unsigned long long size = 0; |
| 622 | void *buf = NULL; |
| 623 | void *req = NULL; |
| 624 | struct qseecom_load_app_ireq load_req = {0}; |
| 625 | struct qseecom_command_scm_resp resp = {0}; |
| 626 | int ret = GENERIC_ERROR; |
| 627 | uint8_t lun = 0; |
| 628 | |
| 629 | dprintf(SPEW, "%s called\n", __func__); |
| 630 | index = partition_get_index(app_name); |
| 631 | lun = partition_get_lun(index); |
| 632 | mmc_set_lun(lun); |
| 633 | |
| 634 | size = partition_get_size(index); |
| 635 | |
| 636 | buf = memalign(PAGE_SIZE, ROUNDUP(size, PAGE_SIZE)); |
| 637 | if (!buf) { |
| 638 | dprintf(CRITICAL, "%s: Aloc failed for %s image\n", |
| 639 | __func__, app_name); |
| 640 | ret = GENERIC_ERROR; |
| 641 | goto err; |
| 642 | } |
| 643 | |
| 644 | ptn = partition_get_offset(index); |
| 645 | if(ptn == 0) { |
| 646 | dprintf(CRITICAL, "ERROR: No %s found\n", app_name); |
| 647 | ret = GENERIC_ERROR; |
| 648 | goto err; |
| 649 | } |
| 650 | if (mmc_read(ptn, (unsigned int *) buf, size)) { |
| 651 | dprintf(CRITICAL, "ERROR: Cannot read %s image\n", app_name); |
| 652 | ret = GENERIC_ERROR; |
| 653 | goto err; |
| 654 | } |
| 655 | |
| 656 | /* Currently on 8994 only 32-bit phy addr is supported |
| 657 | * Hence downcasting is okay |
| 658 | */ |
| 659 | load_req.phy_addr = (uint32_t)__qseecom_uvirt_to_kphys((uint32_t) buf); |
| 660 | load_req.qsee_cmd_id = QSEE_LOAD_SERV_IMAGE_COMMAND; |
| 661 | load_req.img_len = size; |
| 662 | load_req.mdt_len = 0; |
| 663 | |
| 664 | memscpy(load_req.app_name, MAX_APP_NAME_SIZE, app_name, MAX_APP_NAME_SIZE); |
| 665 | req = (void *)&load_req; |
| 666 | |
| 667 | arch_clean_invalidate_cache_range((addr_t) load_req.phy_addr, load_req.img_len); |
| 668 | ret = qseecom_scm_call(SCM_SVC_TZSCHEDULER, 1, req, |
| 669 | sizeof(struct qseecom_load_lib_image_ireq), |
| 670 | &resp, sizeof(resp)); |
| 671 | if(ret == 0) |
| 672 | ret = resp.data; |
| 673 | |
| 674 | err: |
| 675 | if (buf) |
| 676 | free(buf); |
| 677 | return ret; |
| 678 | } |
| 679 | |
| 680 | static int qseecom_unload_commonlib_image(void) |
| 681 | { |
| 682 | int ret = GENERIC_ERROR; |
| 683 | struct qseecom_unload_lib_image_ireq unload_req = {0}; |
| 684 | struct qseecom_command_scm_resp resp; |
| 685 | |
| 686 | dprintf(SPEW, "%s called\n", __func__); |
| 687 | /* Populate the remaining parameters */ |
| 688 | unload_req.qsee_cmd_id = QSEE_UNLOAD_SERV_IMAGE_COMMAND; |
| 689 | /* SCM_CALL to load the image */ |
| 690 | ret = qseecom_scm_call(SCM_SVC_TZSCHEDULER, 1, &unload_req, |
| 691 | sizeof(struct qseecom_unload_lib_image_ireq), |
| 692 | &resp, sizeof(resp)); |
| 693 | return ret; |
| 694 | } |
| 695 | |
| 696 | /* |
| 697 | * This function is called with the global |
| 698 | * data mutex acquired. |
| 699 | */ |
| 700 | static struct qseecom_registered_app_list * |
| 701 | __qseecom_add_app_entry(char *app_name, uint32_t app_id) |
| 702 | { |
| 703 | struct qseecom_registered_app_list *entry = NULL; |
| 704 | int32_t ret = GENERIC_ERROR; |
| 705 | |
| 706 | if ((!app_name) || (app_id == 0)) { |
| 707 | dprintf(CRITICAL, "%s: Invalid Input\n", __func__); |
| 708 | return NULL; |
| 709 | } |
| 710 | dprintf(SPEW, "%s called\n", __func__); |
| 711 | |
| 712 | entry = malloc(sizeof(*entry)); |
| 713 | if (!entry) { |
| 714 | dprintf(CRITICAL, "malloc for app entry failed\n"); |
| 715 | ret = GENERIC_ERROR; |
| 716 | goto err; |
| 717 | } |
| 718 | entry->app_id = app_id; |
| 719 | entry->ref_cnt = 1; |
| 720 | strlcpy(entry->app_name, app_name, MAX_APP_NAME_SIZE); |
| 721 | |
| 722 | dprintf(SPEW, "%s: Adding app:%s app_id:%u to list\n", __func__, entry->app_name, entry->app_id); |
| 723 | list_add_tail(&qseecom.registered_app_list_head, &entry->node); |
| 724 | ret = 0; |
| 725 | err: |
| 726 | if (entry && (ret < 0)) { |
| 727 | free(entry); |
| 728 | return NULL; |
| 729 | } |
| 730 | return entry; |
| 731 | } |
| 732 | |
| 733 | /* |
| 734 | * This function is called with the global |
| 735 | * data mutex acquired. |
| 736 | */ |
| 737 | static int |
| 738 | __qseecom_remove_app_entry(struct qseecom_registered_app_list *entry) |
| 739 | { |
| 740 | if (!entry) { |
| 741 | dprintf(CRITICAL, "%s: Invalid Input\n", __func__); |
| 742 | return GENERIC_ERROR; |
| 743 | } |
| 744 | dprintf(SPEW, "%s called\n", __func__); |
| 745 | list_delete(&entry->node); |
| 746 | free(entry); |
| 747 | |
| 748 | return 0; |
| 749 | } |
| 750 | |
| 751 | /* |
| 752 | * This function is called with the global |
| 753 | * data mutex acquired. |
| 754 | */ |
| 755 | struct qseecom_registered_listener_list * |
| 756 | __qseecom_check_listener_exists(uint32_t listener_id) |
| 757 | { |
| 758 | struct qseecom_registered_listener_list *entry = NULL; |
| 759 | bool listener_present = false; |
| 760 | |
| 761 | if (!listener_id) { |
| 762 | dprintf(CRITICAL, "%s: Invalid Input\n", __func__); |
| 763 | return NULL; |
| 764 | } |
| 765 | dprintf(SPEW, "%s called\n", __func__); |
| 766 | |
| 767 | list_for_every_entry(&qseecom.registered_listener_list_head, |
| 768 | entry, struct qseecom_registered_listener_list, node) { |
| 769 | if (entry->svc.listener_id == listener_id) { |
| 770 | listener_present = true; |
| 771 | break; |
| 772 | } |
| 773 | } |
| 774 | if (listener_present) |
| 775 | return entry; |
| 776 | else |
| 777 | return NULL; |
| 778 | } |
| 779 | |
| 780 | /* |
| 781 | * This function is called with the global |
| 782 | * data mutex acquired. |
| 783 | */ |
| 784 | static struct qseecom_registered_app_list |
| 785 | *__qseecom_check_handle_exists(int handle) |
| 786 | { |
| 787 | struct qseecom_registered_app_list *entry; |
| 788 | bool app_present = false; |
| 789 | |
| 790 | if (handle <= 0) { |
| 791 | dprintf(CRITICAL, "%s: Invalid Input\n", __func__); |
| 792 | return NULL; |
| 793 | } |
| 794 | dprintf(SPEW, "%s called\n", __func__); |
| 795 | list_for_every_entry(&qseecom.registered_app_list_head, |
| 796 | entry, struct qseecom_registered_app_list, node) { |
| 797 | if (entry->handle == handle) { |
| 798 | app_present = true; |
| 799 | break; |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | if (app_present == true) |
| 804 | return entry; |
| 805 | else |
| 806 | return NULL; |
| 807 | |
| 808 | } |
| 809 | |
| 810 | |
| 811 | static struct qseecom_registered_app_list * |
| 812 | __qseecom_check_app_exists(char *app_name) |
| 813 | { |
| 814 | struct qseecom_registered_app_list *entry = NULL; |
| 815 | |
| 816 | dprintf(SPEW, "%s called\n", __func__); |
| 817 | list_for_every_entry(&qseecom.registered_app_list_head, |
| 818 | entry, struct qseecom_registered_app_list, node) { |
| 819 | if (!strncmp(app_name, entry->app_name, 32)) { |
| 820 | dprintf(SPEW, "%s: app_name:%s\n", __func__, app_name); |
| 821 | return entry; |
| 822 | } |
| 823 | } |
| 824 | return NULL; |
| 825 | } |
| 826 | |
| 827 | static int qseecom_unload_app(uint32_t app_id) |
| 828 | { |
| 829 | int ret = 0; |
| 830 | struct qseecom_command_scm_resp resp; |
| 831 | struct qseecom_unload_app_ireq req; |
| 832 | |
| 833 | dprintf(SPEW, "%s called\n", __func__); |
| 834 | /* Populate the structure for sending scm call to load image */ |
| 835 | req.qsee_cmd_id = QSEE_APP_SHUTDOWN_COMMAND; |
| 836 | req.app_id = app_id; |
| 837 | |
| 838 | /* SCM_CALL to unload the app */ |
| 839 | ret = qseecom_scm_call(SCM_SVC_TZSCHEDULER, 1, &req, |
| 840 | sizeof(struct qseecom_unload_app_ireq), |
| 841 | &resp, sizeof(resp)); |
| 842 | |
| 843 | return ret; |
| 844 | } |
| 845 | |
| 846 | |
| 847 | static int __qseecom_send_cmd(uint32_t app_id, struct qseecom_send_cmd_req *req) |
| 848 | { |
| 849 | int ret = 0; |
| 850 | struct qseecom_client_send_data_ireq send_data_req; |
| 851 | struct qseecom_command_scm_resp resp; |
| 852 | void *buf = NULL; |
Zhen Kong | ffa57b6 | 2015-10-08 18:33:05 -0700 | [diff] [blame] | 853 | void *rsp_buf_temp = NULL; |
Dinesh K Garg | 6bbbb70 | 2015-01-30 11:13:31 -0800 | [diff] [blame] | 854 | uint32_t size = 0; |
| 855 | |
| 856 | if (req->cmd_req_buf == NULL || req->resp_buf == NULL) { |
| 857 | dprintf(CRITICAL, "%s: cmd buffer or response buffer is null\n", |
| 858 | __func__); |
| 859 | return GENERIC_ERROR; |
| 860 | } |
| 861 | dprintf(SPEW, "%s called\n", __func__); |
| 862 | |
Zhen Kong | ffa57b6 | 2015-10-08 18:33:05 -0700 | [diff] [blame] | 863 | if (req->cmd_req_len > (UINT_MAX - req->resp_len)) { |
| 864 | dprintf(CRITICAL, "%s:Integer overflow\n", __func__); |
| 865 | dprintf(CRITICAL, "req->cmd_req_len: %u\n", req->cmd_req_len); |
| 866 | dprintf(CRITICAL, "req->resp_len: %u\n", req->resp_len); |
| 867 | return GENERIC_ERROR; |
| 868 | } |
| 869 | |
| 870 | if ((req->cmd_req_len + req->resp_len) > (RPMB_SND_RCV_BUF_SZ * 1024 * 1024)) { |
| 871 | dprintf(CRITICAL, "%s:Cmd + Rsp len greater than TA buf\n", __func__); |
| 872 | dprintf(CRITICAL, "req->cmd_req_len: %u\n", req->cmd_req_len); |
| 873 | dprintf(CRITICAL, "req->resp_len: %u\n", req->resp_len); |
| 874 | return GENERIC_ERROR; |
| 875 | } |
Dinesh K Garg | 6bbbb70 | 2015-01-30 11:13:31 -0800 | [diff] [blame] | 876 | |
| 877 | /* The req rsp buffer will be xPU protected by TZ during a TZ APP call |
| 878 | * This will still be protected during a listener call and there is a |
| 879 | * possibility of prefetching happening, which will cause xPU violation. |
| 880 | * Hence using (device memory with xN set) to prevent I or D prefetching. |
| 881 | * This is a contiguous region of 1MB used only for this, hence will not |
| 882 | * free this. |
| 883 | */ |
| 884 | buf = (void *)RPMB_SND_RCV_BUF; |
| 885 | if (!buf) { |
| 886 | dprintf(CRITICAL, "%s: Aloc failed for app_id:%d of size:%d\n", |
| 887 | __func__, app_id, size); |
| 888 | return GENERIC_ERROR; |
| 889 | } |
| 890 | |
Dinesh K Garg | 6bbbb70 | 2015-01-30 11:13:31 -0800 | [diff] [blame] | 891 | send_data_req.qsee_cmd_id = QSEE_CLIENT_SEND_DATA_COMMAND; |
| 892 | send_data_req.app_id = app_id; |
| 893 | |
| 894 | /* Currently on 8994 only 32-bit phy addr is supported |
| 895 | * Hence downcasting is okay |
| 896 | */ |
| 897 | send_data_req.req_ptr = (uint32_t)__qseecom_uvirt_to_kphys((uint32_t) buf); |
| 898 | send_data_req.req_len = req->cmd_req_len; |
Zhen Kong | ffa57b6 | 2015-10-08 18:33:05 -0700 | [diff] [blame] | 899 | size = ROUNDUP(req->cmd_req_len, PAGE_SIZE); |
| 900 | rsp_buf_temp = (uint8_t *)buf + size; |
| 901 | send_data_req.rsp_ptr = (uint32_t)__qseecom_uvirt_to_kphys((uint32_t)rsp_buf_temp); |
Dinesh K Garg | 6bbbb70 | 2015-01-30 11:13:31 -0800 | [diff] [blame] | 902 | send_data_req.rsp_len = req->resp_len; |
| 903 | |
Zhen Kong | ffa57b6 | 2015-10-08 18:33:05 -0700 | [diff] [blame] | 904 | memscpy(buf, (RPMB_SND_RCV_BUF_SZ * 1024 * 1024), req->cmd_req_buf, req->cmd_req_len); |
| 905 | memscpy(rsp_buf_temp, req->resp_len, req->resp_buf, req->resp_len); |
| 906 | |
Dinesh K Garg | 6bbbb70 | 2015-01-30 11:13:31 -0800 | [diff] [blame] | 907 | ret = qseecom_scm_call(SCM_SVC_TZSCHEDULER, 1, |
| 908 | (void *)&send_data_req, |
| 909 | sizeof(send_data_req), (void *)&resp, sizeof(resp)); |
| 910 | |
Zhen Kong | ffa57b6 | 2015-10-08 18:33:05 -0700 | [diff] [blame] | 911 | memscpy(req->cmd_req_buf, req->cmd_req_len, (void *)buf, send_data_req.req_len); |
| 912 | memscpy(req->resp_buf, req->resp_len, (void *)rsp_buf_temp, send_data_req.rsp_len); |
Dinesh K Garg | 6bbbb70 | 2015-01-30 11:13:31 -0800 | [diff] [blame] | 913 | return ret; |
| 914 | } |
| 915 | |
| 916 | /** |
| 917 | * Start a Secure App |
| 918 | * |
| 919 | * @param char* app_name |
| 920 | * App name of the Secure App to be started |
| 921 | * |
| 922 | * @return int |
| 923 | * Success: handle to be used for all calls to |
| 924 | * Secure app. Always greater than zero. |
| 925 | * Failure: Error code (negative only). |
| 926 | */ |
| 927 | int qseecom_start_app(char *app_name) |
| 928 | { |
| 929 | int32_t ret = GENERIC_ERROR; |
| 930 | int handle = 0; |
| 931 | struct qseecom_registered_app_list *entry = NULL; |
| 932 | unsigned int app_id = 0; |
| 933 | |
| 934 | if (!app_name) { |
| 935 | dprintf(CRITICAL, "%s: Input error\n", __func__); |
| 936 | goto err; |
| 937 | } |
| 938 | dprintf(SPEW, "%s called\n", __func__); |
| 939 | |
| 940 | |
| 941 | mutex_acquire(&qseecom.global_data_lock); |
| 942 | if ((!qseecom.qseecom_init_done) |
| 943 | || (!qseecom.qseecom_tz_init_done)){ |
| 944 | dprintf(CRITICAL, "%s qseecom_init not done\n", |
| 945 | __func__); |
| 946 | mutex_release(&qseecom.global_data_lock); |
| 947 | return ret; |
| 948 | } |
| 949 | /* Load commonlib image*/ |
| 950 | if (!qseecom.cmnlib_loaded) { |
| 951 | ret = qseecom_load_commonlib_image("cmnlib"); |
| 952 | if (ret) { |
| 953 | mutex_release(&qseecom.global_data_lock); |
| 954 | dprintf(CRITICAL, "%s qseecom_load_commonlib_image failed with status:%d\n", |
| 955 | __func__, ret); |
| 956 | goto err; |
| 957 | } |
Zhen Kong | ffa57b6 | 2015-10-08 18:33:05 -0700 | [diff] [blame] | 958 | dprintf(DEBUG, "Loading cmnlib done\n"); |
| 959 | #if ENABLE_CMNLIB64_LOADING |
| 960 | ret = qseecom_load_commonlib_image("cmnlib64"); |
| 961 | if (ret) { |
| 962 | dprintf(CRITICAL, "%s qseecom_load_commonlib_image failed with status:%d\n", |
| 963 | __func__, ret); |
| 964 | goto err; |
| 965 | } |
| 966 | dprintf(DEBUG, "Loading cmnlib64 done\n"); |
| 967 | #endif |
Dinesh K Garg | 6bbbb70 | 2015-01-30 11:13:31 -0800 | [diff] [blame] | 968 | qseecom.cmnlib_loaded = 1; |
| 969 | } |
| 970 | /* Check if App already exits, if exits increase ref_cnt |
| 971 | * and return handle, else load the app from partition, |
| 972 | * call into TZ to load it, add to list and then return |
| 973 | * handle. |
| 974 | */ |
| 975 | |
| 976 | entry = __qseecom_check_app_exists(app_name); |
| 977 | if (!entry) { |
| 978 | mutex_release(&qseecom.global_data_lock); |
| 979 | /* load the app and get the app_id */ |
| 980 | dprintf(INFO, "%s: Loading app %s for the first time'\n", |
| 981 | __func__, app_name); |
| 982 | |
| 983 | ret = __qseecom_load_app(app_name, &app_id); |
| 984 | if ((ret < 0) || (app_id ==0)) { |
| 985 | dprintf(CRITICAL, "%s: __qseecom_load_app failed with err:%d for app:%s\n", |
| 986 | __func__, ret, app_name); |
| 987 | ret = GENERIC_ERROR; |
| 988 | goto err; |
| 989 | } |
| 990 | mutex_acquire(&qseecom.global_data_lock); |
| 991 | entry = __qseecom_add_app_entry(app_name, app_id); |
| 992 | if (!entry) |
| 993 | { |
| 994 | dprintf(CRITICAL, "%s: __qseecom_add_app_entry failed\n", __func__); |
| 995 | ret = GENERIC_ERROR; |
| 996 | mutex_release(&qseecom.global_data_lock); |
| 997 | goto err; |
| 998 | } |
| 999 | qseecom.handle++; |
| 1000 | entry->handle = qseecom.handle; |
| 1001 | handle = entry->handle; |
| 1002 | mutex_release(&qseecom.global_data_lock); |
| 1003 | } |
| 1004 | else { |
| 1005 | entry->ref_cnt++; |
| 1006 | handle = entry->handle; |
| 1007 | mutex_release(&qseecom.global_data_lock); |
| 1008 | } |
| 1009 | return handle; |
| 1010 | err: |
| 1011 | return ret; |
| 1012 | } |
| 1013 | |
| 1014 | /** |
| 1015 | * Shutdown a Secure App |
| 1016 | * |
| 1017 | * @param int handle |
| 1018 | * Handle of the Secure App to be shutdown |
| 1019 | * |
| 1020 | * @return int |
| 1021 | * Status: |
| 1022 | * 0 - Success |
| 1023 | * Negative value indicates failure. |
| 1024 | */ |
| 1025 | int qseecom_shutdown_app(int handle) |
| 1026 | { |
| 1027 | int ret = GENERIC_ERROR; |
| 1028 | int ref_cnt = 0; |
| 1029 | struct qseecom_registered_app_list *entry = NULL; |
| 1030 | struct tzdbg_log_t *log = NULL; |
| 1031 | uint32_t QseeLogStart = 0; |
| 1032 | uint32_t QseeLogNewStart = 0; |
| 1033 | |
| 1034 | if (handle <= 0) { |
| 1035 | dprintf(CRITICAL, "%s: Invalid Handle %d\n", __func__, handle); |
| 1036 | goto err; |
| 1037 | } |
| 1038 | dprintf(SPEW, "%s called\n", __func__); |
| 1039 | mutex_acquire(&qseecom.global_data_lock); |
| 1040 | if ((!qseecom.qseecom_init_done) |
| 1041 | || (!qseecom.qseecom_tz_init_done)) { |
| 1042 | dprintf(CRITICAL, "%s qseecom_init not done\n", |
| 1043 | __func__); |
| 1044 | mutex_release(&qseecom.global_data_lock); |
| 1045 | return ret; |
| 1046 | } |
| 1047 | entry = __qseecom_check_handle_exists(handle); |
| 1048 | if (!entry) { |
| 1049 | dprintf(CRITICAL, "%s: Shutdown on an app that was never loaded handle:%d\n", |
| 1050 | __func__, handle); |
| 1051 | ret = GENERIC_ERROR; |
| 1052 | mutex_release(&qseecom.global_data_lock); |
| 1053 | goto err; |
| 1054 | } |
| 1055 | |
| 1056 | /* Decrement ref_cnt by 1, if ref_cnt is 0 after |
| 1057 | * decrementing unload the app by calling into |
| 1058 | * TZ else just return. |
| 1059 | */ |
| 1060 | |
| 1061 | if(entry->ref_cnt != 0) |
| 1062 | entry->ref_cnt--; |
| 1063 | ref_cnt = entry->ref_cnt; |
| 1064 | mutex_release(&qseecom.global_data_lock); |
| 1065 | if (ref_cnt == 0) { |
| 1066 | log = (struct tzdbg_log_t *)logbuf_req.phy_addr; |
| 1067 | arch_invalidate_cache_range((addr_t) logbuf_req.phy_addr, logbuf_req.len); |
| 1068 | QseeLogStart = (uint32_t) log->log_pos.offset; |
| 1069 | |
| 1070 | ret = qseecom_unload_app(entry->app_id); |
| 1071 | arch_invalidate_cache_range((addr_t) logbuf_req.phy_addr, logbuf_req.len); |
| 1072 | QseeLogNewStart = (uint32_t) log->log_pos.offset; |
| 1073 | |
| 1074 | _disp_log_stats((struct tzdbg_log_t *) logbuf_req.phy_addr, QSEE_LOG_BUF_SIZE - sizeof(struct tzdbg_log_pos_t), |
| 1075 | QseeLogStart, QseeLogNewStart); |
| 1076 | if(ret) { |
| 1077 | dprintf(CRITICAL, "%s: qseecom_unload_app failed with err:%d for handle:%d\n", |
| 1078 | __func__, ret, handle); |
| 1079 | goto err; |
| 1080 | } |
| 1081 | mutex_acquire(&qseecom.global_data_lock); |
| 1082 | ret = __qseecom_remove_app_entry(entry); |
| 1083 | mutex_release(&qseecom.global_data_lock); |
| 1084 | if(ret) { |
| 1085 | dprintf(CRITICAL, "%s: __qseecom_remove_app_entry failed with err:%d for handle:%d\n", |
| 1086 | __func__, ret, handle); |
| 1087 | goto err; |
| 1088 | } |
| 1089 | } |
| 1090 | ret = 0; |
| 1091 | err: |
| 1092 | return ret; |
| 1093 | } |
| 1094 | |
| 1095 | /** |
| 1096 | * Send cmd to a Secure App |
| 1097 | * |
| 1098 | * @param int handle |
| 1099 | * Handle of the Secure App to send the cmd |
| 1100 | * |
| 1101 | * @param void *send_buf |
| 1102 | * Pointer to the App request buffer |
| 1103 | * |
| 1104 | * @param uint32_t sbuf_len |
| 1105 | * Size of the request buffer |
| 1106 | * |
| 1107 | * @param void *resp_buf |
| 1108 | * Pointer to the App response buffer |
| 1109 | * |
| 1110 | * @param uint32_t rbuf_len |
| 1111 | * Size of the response buffer |
| 1112 | * |
| 1113 | * @return int |
| 1114 | * Status: |
| 1115 | * 0 - Success |
| 1116 | * Negative value indicates failure. |
| 1117 | */ |
| 1118 | int qseecom_send_command(int handle, void *send_buf, |
| 1119 | uint32_t sbuf_len, void *resp_buf, uint32_t rbuf_len) |
| 1120 | { |
| 1121 | int ret = GENERIC_ERROR; |
| 1122 | uint32_t app_id = 0; |
| 1123 | struct qseecom_registered_app_list *entry = NULL; |
| 1124 | struct qseecom_send_cmd_req req = {0, 0, 0, 0}; |
| 1125 | struct tzdbg_log_t *log = NULL; |
| 1126 | uint32_t QseeLogStart = 0; |
| 1127 | uint32_t QseeLogNewStart = 0; |
| 1128 | |
| 1129 | if (handle <= 0) { |
| 1130 | dprintf(CRITICAL, "%s Handle is Invalid\n", __func__); |
| 1131 | return GENERIC_ERROR; |
| 1132 | } |
| 1133 | |
| 1134 | if((!send_buf) || (!resp_buf)) { |
| 1135 | dprintf(CRITICAL, "%s: Input Buffers invalid\n", __func__); |
| 1136 | return GENERIC_ERROR; |
| 1137 | } |
| 1138 | dprintf(SPEW, "%s called\n", __func__); |
| 1139 | mutex_acquire(&qseecom.global_data_lock); |
| 1140 | if ((!qseecom.qseecom_init_done) |
| 1141 | || (!qseecom.qseecom_tz_init_done)) { |
| 1142 | dprintf(CRITICAL, "%s qseecom_init not done\n", |
| 1143 | __func__); |
| 1144 | mutex_release(&qseecom.global_data_lock); |
| 1145 | return ret; |
| 1146 | } |
| 1147 | entry = __qseecom_check_handle_exists(handle); |
| 1148 | if (!entry) { |
| 1149 | dprintf(CRITICAL, "%s: Send cmd on an app that was never loaded handle:%d\n", |
| 1150 | __func__, handle); |
| 1151 | ret = GENERIC_ERROR; |
| 1152 | mutex_release(&qseecom.global_data_lock); |
| 1153 | goto err; |
| 1154 | } |
| 1155 | |
| 1156 | app_id = entry->app_id; |
| 1157 | mutex_release(&qseecom.global_data_lock); |
| 1158 | |
| 1159 | req.cmd_req_len = sbuf_len; |
| 1160 | req.resp_len = rbuf_len; |
| 1161 | req.cmd_req_buf = send_buf; |
| 1162 | req.resp_buf = resp_buf; |
| 1163 | |
| 1164 | log = (struct tzdbg_log_t *)logbuf_req.phy_addr; |
| 1165 | arch_invalidate_cache_range((addr_t) logbuf_req.phy_addr, logbuf_req.len); |
| 1166 | QseeLogStart = (uint32_t) log->log_pos.offset; |
| 1167 | |
| 1168 | ret = __qseecom_send_cmd(app_id, &req); |
| 1169 | if (ret) { |
| 1170 | dprintf(CRITICAL, "%s __qseecom_send_cmd failed with err:%d for handle:%d\n", |
| 1171 | __func__, ret, handle); |
| 1172 | goto err; |
| 1173 | } |
| 1174 | arch_invalidate_cache_range((addr_t) logbuf_req.phy_addr, logbuf_req.len); |
| 1175 | QseeLogNewStart = (uint32_t) log->log_pos.offset; |
| 1176 | |
| 1177 | _disp_log_stats((struct tzdbg_log_t *) logbuf_req.phy_addr, QSEE_LOG_BUF_SIZE - sizeof(struct tzdbg_log_pos_t), |
| 1178 | QseeLogStart, QseeLogNewStart); |
| 1179 | ret = 0; |
| 1180 | dprintf(SPEW, "sending cmd_req->rsp size: %u, ptr: 0x%p\n", |
| 1181 | req.resp_len, req.resp_buf); |
| 1182 | err: |
| 1183 | return ret; |
| 1184 | } |
| 1185 | |
| 1186 | /** |
| 1187 | * Registers a Listener Service with QSEE |
| 1188 | * |
| 1189 | * @param uint32_t listnr_id |
| 1190 | * Pre-defined Listener ID to be registered |
| 1191 | * |
| 1192 | * @param uint32_t sb_size |
| 1193 | * Shared buffer size required for the listener |
| 1194 | * service. |
| 1195 | * |
| 1196 | * @return int |
| 1197 | * Status: |
| 1198 | * 0 - Success |
| 1199 | * Negative value indicates failure. |
| 1200 | */ |
| 1201 | int qseecom_register_listener(struct qseecom_listener_services *listnr) |
| 1202 | { |
| 1203 | int ret = GENERIC_ERROR; |
| 1204 | struct qseecom_registered_listener_list *new_entry = NULL; |
| 1205 | struct qseecom_register_listener_ireq req; |
| 1206 | struct qseecom_command_scm_resp resp; |
| 1207 | |
| 1208 | mutex_acquire(&qseecom.global_data_lock); |
| 1209 | if (!qseecom.qseecom_init_done) { |
| 1210 | dprintf(CRITICAL, "%s qseecom_init not done\n", |
| 1211 | __func__); |
| 1212 | mutex_release(&qseecom.global_data_lock); |
| 1213 | return ret; |
| 1214 | } |
| 1215 | mutex_release(&qseecom.global_data_lock); |
| 1216 | |
| 1217 | mutex_acquire(&qseecom.registered_listener_list_lock); |
| 1218 | |
| 1219 | if ((!listnr)) { |
| 1220 | dprintf(CRITICAL, "%s Invalid Input listnr\n", __func__); |
| 1221 | return GENERIC_ERROR; |
| 1222 | } |
| 1223 | |
| 1224 | if ((!listnr->id) || (!listnr->sb_size) || (!listnr->service_cmd_handler)) { |
| 1225 | dprintf(CRITICAL, "%s Invalid Input listnr_id:%d sb_size:%d\n", |
| 1226 | __func__, listnr->id, listnr->sb_size); |
| 1227 | return GENERIC_ERROR; |
| 1228 | } |
| 1229 | dprintf(SPEW, "%s called\n", __func__); |
| 1230 | new_entry = __qseecom_check_listener_exists(listnr->id); |
| 1231 | if (new_entry) { |
| 1232 | dprintf(CRITICAL, "Service is not unique and is already registered\n"); |
| 1233 | ret = LISTENER_ALREADY_PRESENT_ERROR; |
| 1234 | goto err; |
| 1235 | } |
| 1236 | |
| 1237 | new_entry = malloc(sizeof(*new_entry)); |
| 1238 | if (!new_entry) { |
| 1239 | dprintf(CRITICAL, "%s new_entry malloc failed for size:%d\n", __func__, sizeof(*new_entry)); |
| 1240 | ret = GENERIC_ERROR; |
| 1241 | goto err; |
| 1242 | } |
| 1243 | memset(new_entry, 0, sizeof(*new_entry)); |
| 1244 | new_entry->svc.listener_id = listnr->id; |
| 1245 | new_entry->svc.sb_size = listnr->sb_size; |
| 1246 | new_entry->CallbackFn = listnr->service_cmd_handler; |
| 1247 | |
| 1248 | new_entry->svc.virt_sb_base = memalign(PAGE_SIZE, ROUNDUP(listnr->sb_size, PAGE_SIZE)); |
| 1249 | if (!new_entry->svc.virt_sb_base) { |
| 1250 | dprintf(CRITICAL, "%s virt_sb_base malloc failed for size:%d\n", __func__, listnr->sb_size); |
| 1251 | ret = GENERIC_ERROR; |
| 1252 | goto err; |
| 1253 | } |
| 1254 | memset(new_entry->svc.virt_sb_base, 0, ROUNDUP(listnr->sb_size, PAGE_SIZE)); |
| 1255 | arch_clean_invalidate_cache_range((addr_t) new_entry->svc.virt_sb_base, ROUNDUP(listnr->sb_size, PAGE_SIZE)); |
| 1256 | |
| 1257 | req.qsee_cmd_id = QSEE_REGISTER_LISTENER; |
| 1258 | req.listener_id = new_entry->svc.listener_id; |
| 1259 | req.sb_len = new_entry->svc.sb_size; |
| 1260 | /* convert to 32bit addr for tz */ |
| 1261 | req.sb_ptr = (uint32_t)__qseecom_uvirt_to_kphys((uint32_t) new_entry->svc.virt_sb_base); |
| 1262 | |
| 1263 | resp.result = QSEOS_RESULT_INCOMPLETE; |
| 1264 | |
| 1265 | ret = qseecom_scm_call(SCM_SVC_TZSCHEDULER, 1, &req, |
| 1266 | sizeof(req), &resp, sizeof(resp)); |
| 1267 | if (ret) { |
| 1268 | dprintf(CRITICAL, "qseecom_scm_call failed with err: %d\n", ret); |
| 1269 | ret = GENERIC_ERROR; |
| 1270 | goto err; |
| 1271 | } |
| 1272 | /* Add entry to Listener list */ |
| 1273 | list_add_tail(&qseecom.registered_listener_list_head, &new_entry->node); |
| 1274 | err: |
| 1275 | if ((ret) && |
| 1276 | (ret != LISTENER_ALREADY_PRESENT_ERROR)) { |
| 1277 | if ((new_entry) && |
| 1278 | (new_entry->svc.virt_sb_base)) |
| 1279 | free(new_entry->svc.virt_sb_base); |
| 1280 | if (new_entry) |
| 1281 | free(new_entry); |
| 1282 | } |
| 1283 | mutex_release(&qseecom.registered_listener_list_lock); |
| 1284 | return ret; |
| 1285 | } |
| 1286 | |
| 1287 | /** |
| 1288 | * De-Registers a Listener Service with QSEE |
| 1289 | * |
| 1290 | * @param uint32_t listnr_id |
| 1291 | * Pre-defined Listener ID to be de-registered |
| 1292 | * |
| 1293 | * @return int |
| 1294 | * Status: |
| 1295 | * 0 - Success |
| 1296 | * Negative value indicates failure. |
| 1297 | */ |
| 1298 | int qseecom_deregister_listener(uint32_t listnr_id) |
| 1299 | { |
| 1300 | int ret = GENERIC_ERROR; |
| 1301 | struct qseecom_registered_listener_list *new_entry = NULL; |
| 1302 | struct qseecom_unregister_listener_ireq req; |
| 1303 | struct qseecom_command_scm_resp resp; |
| 1304 | |
| 1305 | mutex_acquire(&qseecom.global_data_lock); |
| 1306 | if (!qseecom.qseecom_init_done) { |
| 1307 | dprintf(CRITICAL, "%s qseecom_init not done\n", |
| 1308 | __func__); |
| 1309 | mutex_release(&qseecom.global_data_lock); |
| 1310 | return ret; |
| 1311 | } |
| 1312 | mutex_release(&qseecom.global_data_lock); |
| 1313 | |
| 1314 | mutex_acquire(&qseecom.registered_listener_list_lock); |
| 1315 | dprintf(SPEW, "%s called\n", __func__); |
| 1316 | new_entry = __qseecom_check_listener_exists(listnr_id); |
| 1317 | if (!new_entry) { |
| 1318 | dprintf(CRITICAL, "Service not present\n"); |
| 1319 | ret = GENERIC_ERROR; |
| 1320 | goto err; |
| 1321 | } |
| 1322 | |
| 1323 | req.qsee_cmd_id = QSEE_DEREGISTER_LISTENER; |
| 1324 | req.listener_id = listnr_id; |
| 1325 | resp.result = QSEOS_RESULT_INCOMPLETE; |
| 1326 | |
| 1327 | ret = qseecom_scm_call(SCM_SVC_TZSCHEDULER, 1, &req, |
| 1328 | sizeof(req), &resp, sizeof(resp)); |
| 1329 | if (ret) { |
| 1330 | dprintf(CRITICAL, "scm_call() failed with err: %d (lstnr id=%d)\n", |
| 1331 | ret, req.listener_id); |
| 1332 | ret = GENERIC_ERROR; |
| 1333 | goto err; |
| 1334 | } |
| 1335 | |
| 1336 | list_delete(&new_entry->node); |
| 1337 | |
| 1338 | err: |
| 1339 | if (ret == 0) { |
| 1340 | if (new_entry) |
| 1341 | free(new_entry); |
| 1342 | } |
| 1343 | mutex_release(&qseecom.registered_listener_list_lock); |
| 1344 | return ret; |
| 1345 | } |
| 1346 | |
| 1347 | int qseecom_tz_init() |
| 1348 | { |
| 1349 | struct qsee_apps_region_info_ireq req; |
| 1350 | struct qseecom_command_scm_resp resp; |
| 1351 | int rc = GENERIC_ERROR; |
| 1352 | /* register log buffer scm request */ |
| 1353 | void *buf = NULL; |
| 1354 | /* Register app region with TZ */ |
| 1355 | req.qsee_cmd_id = QSEE_APP_REGION_NOTIFICATION; |
| 1356 | req.addr = APP_REGION_ADDR; |
| 1357 | req.size = APP_REGION_SIZE; |
| 1358 | dprintf(ALWAYS, "secure app region addr=0x%x size=0x%x", |
| 1359 | req.addr, req.size); |
| 1360 | rc = qseecom_scm_call(SCM_SVC_TZSCHEDULER, 1, |
| 1361 | &req, sizeof(req), |
| 1362 | &resp, sizeof(resp)); |
| 1363 | dprintf(ALWAYS, "TZ App region notif returned with status:%d addr:%x size:%d\n", |
| 1364 | rc, req.addr, req.size); |
| 1365 | if (rc) |
| 1366 | goto err; |
| 1367 | buf = memalign(PAGE_SIZE, ROUNDUP(QSEE_LOG_BUF_SIZE, PAGE_SIZE)); |
| 1368 | if (!buf) { |
| 1369 | rc = GENERIC_ERROR; |
| 1370 | goto err; |
| 1371 | } |
| 1372 | memset(buf, 0, ROUNDUP(QSEE_LOG_BUF_SIZE, PAGE_SIZE)); |
Channagoud Kadabi | cf3afe4 | 2015-08-07 16:08:08 -0700 | [diff] [blame] | 1373 | /* Make sure the buffer given to TZ is flushed */ |
| 1374 | arch_clean_invalidate_cache_range((addr_t) buf, QSEE_LOG_BUF_SIZE); |
Dinesh K Garg | 6bbbb70 | 2015-01-30 11:13:31 -0800 | [diff] [blame] | 1375 | logbuf_req.qsee_cmd_id = QSEE_REGISTER_LOG_BUF_COMMAND; |
| 1376 | logbuf_req.phy_addr = (uint32_t)__qseecom_uvirt_to_kphys((uint32_t) buf); |
| 1377 | logbuf_req.len = QSEE_LOG_BUF_SIZE; |
| 1378 | |
| 1379 | rc = qseecom_scm_call(SCM_SVC_TZSCHEDULER, 1, |
| 1380 | &logbuf_req, sizeof(logbuf_req), |
| 1381 | &resp, sizeof(resp)); |
| 1382 | dprintf(ALWAYS, "TZ App log region register returned with status:%d addr:%x size:%d\n", |
| 1383 | rc, logbuf_req.phy_addr, logbuf_req.len); |
| 1384 | if (rc) |
| 1385 | goto err; |
| 1386 | err: |
| 1387 | if (!rc) { |
| 1388 | qseecom.qseecom_tz_init_done = 1; |
| 1389 | dprintf(ALWAYS, "Qseecom TZ Init Done in Appsbl\n"); |
| 1390 | } |
| 1391 | return rc; |
| 1392 | } |
| 1393 | |
| 1394 | int qseecom_init() |
| 1395 | { |
| 1396 | int rc = GENERIC_ERROR; |
| 1397 | |
| 1398 | memset (&qseecom, 0, sizeof(struct qseecom_control)); |
| 1399 | dprintf(SPEW, "%s called\n", __func__); |
| 1400 | mutex_init(&(qseecom.global_data_lock)); |
| 1401 | mutex_init(&(qseecom.registered_app_list_lock)); |
| 1402 | mutex_init(&(qseecom.registered_listener_list_lock)); |
| 1403 | |
| 1404 | list_initialize(&(qseecom.registered_app_list_head)); |
| 1405 | list_initialize(&(qseecom.registered_listener_list_head)); |
| 1406 | |
| 1407 | qseecom.qseos_version = QSEOS_VERSION_14; |
| 1408 | rc = 0; |
| 1409 | |
| 1410 | if (!rc) { |
| 1411 | qseecom.qseecom_init_done = 1; |
| 1412 | dprintf(ALWAYS, "Qseecom Init Done in Appsbl\n"); |
| 1413 | } |
| 1414 | return rc; |
| 1415 | } |
| 1416 | |
| 1417 | int qseecom_exit() |
| 1418 | { |
| 1419 | dprintf(SPEW, "%s called\n", __func__); |
| 1420 | |
| 1421 | if (logbuf_req.phy_addr) |
| 1422 | free((void *)logbuf_req.phy_addr); |
| 1423 | qseecom.qseecom_init_done = 0; |
| 1424 | dprintf(ALWAYS, "Qseecom De-Init Done in Appsbl\n"); |
| 1425 | return 0; |
| 1426 | } |