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 | |
Sridhar Parasuram | ed00328 | 2015-07-10 09:50:12 -0700 | [diff] [blame] | 58 | int send_delete_keys_to_tz() |
| 59 | { |
| 60 | int ret = 0; |
| 61 | key_op_delete_all_req_t req = {0}; |
| 62 | key_op_delete_all_rsp_t rsp = {0}; |
| 63 | req.cmd_id = KEYMASTER_DELETE_ALL_KEYS; |
| 64 | |
| 65 | // send delete all keys command |
| 66 | ret = qseecom_send_command(app_handle, (void *)&req, sizeof(req), (void *)&rsp, sizeof(rsp)); |
| 67 | |
| 68 | if (ret < 0 || rsp.status < 0) |
| 69 | { |
| 70 | dprintf(CRITICAL, "Failed to send delete keys command: Error: %x\n", rsp.status); |
| 71 | return -1; |
| 72 | } |
| 73 | |
| 74 | return 0; |
| 75 | } |
| 76 | |
Sridhar Parasuram | 2291c84 | 2015-05-21 21:24:02 -0700 | [diff] [blame] | 77 | int send_milestone_call_to_tz() |
| 78 | { |
| 79 | int ret = 0; |
| 80 | |
| 81 | km_set_milestone_req_t req = {0}; |
| 82 | km_set_milestone_rsp_t rsp = {0}; |
Monika Singh | 9825746 | 2018-06-06 11:28:49 +0530 | [diff] [blame] | 83 | uint32_t version=0; |
Sridhar Parasuram | 2291c84 | 2015-05-21 21:24:02 -0700 | [diff] [blame] | 84 | req.cmd_id = KEYMASTER_MILESTONE_CALL; |
| 85 | |
| 86 | /* Milestone end command */ |
| 87 | ret = qseecom_send_command(app_handle, (void *)&req, sizeof(req), (void *)&rsp, sizeof(rsp)); |
| 88 | |
| 89 | if (ret < 0 || rsp.status < 0) |
| 90 | { |
| 91 | dprintf(CRITICAL, "Failed to send milestone end command: Error: %x\n", rsp.status); |
| 92 | return -1; |
| 93 | } |
Monika Singh | 9825746 | 2018-06-06 11:28:49 +0530 | [diff] [blame] | 94 | version = qseecom_get_version(); |
| 95 | if(allow_set_fuse(version)) { |
Monika Singh | 9825746 | 2018-06-06 11:28:49 +0530 | [diff] [blame] | 96 | ret = set_tamper_fuse_cmd(HLOS_BL_MILESTONE_FUSE); |
| 97 | if (ret) { |
Monika Singh | 475a395 | 2018-06-27 14:29:43 +0530 | [diff] [blame] | 98 | dprintf(CRITICAL, "send_milestone_call_to_tz: set_tamper_fuse_cmd (HLOS_BL_MILESTONE_FUSE) fails!\n"); |
Monika Singh | 9825746 | 2018-06-06 11:28:49 +0530 | [diff] [blame] | 99 | } |
| 100 | } else { |
Monika Singh | 475a395 | 2018-06-27 14:29:43 +0530 | [diff] [blame] | 101 | dprintf(CRITICAL, "send_milestone_call_to_tz: TZ didn't support this feature! Version: major = %d, minor = %d, patch = %d\n", |
Monika Singh | 9825746 | 2018-06-06 11:28:49 +0530 | [diff] [blame] | 102 | (version >> 22) & 0x3FF, (version >> 12) & 0x3FF, version & 0x3FF); |
| 103 | return ret; |
| 104 | } |
| 105 | dprintf(CRITICAL, "Success "); |
Sridhar Parasuram | 2291c84 | 2015-05-21 21:24:02 -0700 | [diff] [blame] | 106 | return 0; |
| 107 | } |
| 108 | |
| 109 | bool is_sec_app_loaded() |
| 110 | { |
| 111 | return lksec_app_loaded; |
| 112 | } |