| Sridhar Parasuram | 2291c84 | 2015-05-21 21:24:02 -0700 | [diff] [blame^] | 1 | /* Copyright (c) 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 | #include <stdlib.h> |
| 30 | #include <string.h> |
| 31 | |
| 32 | #include <secapp_loader.h> |
| 33 | #include <qseecom_lk_api.h> |
| 34 | |
| 35 | static bool lksec_app_loaded; |
| 36 | static int app_handle; |
| 37 | |
| 38 | int load_sec_app() |
| 39 | { |
| 40 | /* start TZ app */ |
| 41 | app_handle = qseecom_start_app("keymaster"); |
| 42 | |
| 43 | if (app_handle <= 0) |
| 44 | { |
| 45 | dprintf(CRITICAL, "Failure to load TZ app: lksecapp, error: %d\n", app_handle); |
| 46 | return -1; |
| 47 | } |
| 48 | lksec_app_loaded = true; |
| 49 | return 0; |
| 50 | } |
| 51 | |
| 52 | int get_secapp_handle() |
| 53 | { |
| 54 | dprintf(INFO, "LK SEC APP Handle: 0x%x\n", app_handle); |
| 55 | return app_handle; |
| 56 | } |
| 57 | |
| 58 | int send_milestone_call_to_tz() |
| 59 | { |
| 60 | int ret = 0; |
| 61 | |
| 62 | km_set_milestone_req_t req = {0}; |
| 63 | km_set_milestone_rsp_t rsp = {0}; |
| 64 | |
| 65 | req.cmd_id = KEYMASTER_MILESTONE_CALL; |
| 66 | |
| 67 | /* Milestone end command */ |
| 68 | ret = qseecom_send_command(app_handle, (void *)&req, sizeof(req), (void *)&rsp, sizeof(rsp)); |
| 69 | |
| 70 | if (ret < 0 || rsp.status < 0) |
| 71 | { |
| 72 | dprintf(CRITICAL, "Failed to send milestone end command: Error: %x\n", rsp.status); |
| 73 | return -1; |
| 74 | } |
| 75 | |
| 76 | return 0; |
| 77 | } |
| 78 | |
| 79 | bool is_sec_app_loaded() |
| 80 | { |
| 81 | return lksec_app_loaded; |
| 82 | } |