1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <string>
18
19 #include <hardware/boot_control.h>
20 #include <hardware/hardware.h>
21
22 #include <libboot_control/libboot_control.h>
23
24 using android::bootable::BootControl;
25
26 struct boot_control_private_t {
27 // The base struct needs to be first in the list.
28 boot_control_module_t base;
29
30 BootControl impl;
31 };
32
33 namespace {
34
BootControl_init(boot_control_module_t * module)35 void BootControl_init(boot_control_module_t* module) {
36 auto& impl = reinterpret_cast<boot_control_private_t*>(module)->impl;
37 impl.Init();
38 }
39
BootControl_getNumberSlots(boot_control_module_t * module)40 unsigned int BootControl_getNumberSlots(boot_control_module_t* module) {
41 auto& impl = reinterpret_cast<boot_control_private_t*>(module)->impl;
42 return impl.GetNumberSlots();
43 }
44
BootControl_getCurrentSlot(boot_control_module_t * module)45 unsigned int BootControl_getCurrentSlot(boot_control_module_t* module) {
46 auto& impl = reinterpret_cast<boot_control_private_t*>(module)->impl;
47 return impl.GetCurrentSlot();
48 }
49
BootControl_markBootSuccessful(boot_control_module_t * module)50 int BootControl_markBootSuccessful(boot_control_module_t* module) {
51 auto& impl = reinterpret_cast<boot_control_private_t*>(module)->impl;
52 return impl.MarkBootSuccessful() ? 0 : -1;
53 }
54
BootControl_setActiveBootSlot(boot_control_module_t * module,unsigned int slot)55 int BootControl_setActiveBootSlot(boot_control_module_t* module, unsigned int slot) {
56 auto& impl = reinterpret_cast<boot_control_private_t*>(module)->impl;
57 return impl.SetActiveBootSlot(slot) ? 0 : -1;
58 }
59
BootControl_setSlotAsUnbootable(struct boot_control_module * module,unsigned int slot)60 int BootControl_setSlotAsUnbootable(struct boot_control_module* module, unsigned int slot) {
61 auto& impl = reinterpret_cast<boot_control_private_t*>(module)->impl;
62 return impl.SetSlotAsUnbootable(slot) ? 0 : -1;
63 }
64
BootControl_isSlotBootable(struct boot_control_module * module,unsigned int slot)65 int BootControl_isSlotBootable(struct boot_control_module* module, unsigned int slot) {
66 auto& impl = reinterpret_cast<boot_control_private_t*>(module)->impl;
67 return impl.IsSlotBootable(slot) ? 0 : -1;
68 }
69
BootControl_isSlotMarkedSuccessful(struct boot_control_module * module,unsigned int slot)70 int BootControl_isSlotMarkedSuccessful(struct boot_control_module* module, unsigned int slot) {
71 auto& impl = reinterpret_cast<boot_control_private_t*>(module)->impl;
72 return impl.IsSlotMarkedSuccessful(slot) ? 0 : -1;
73 }
74
BootControl_getSuffix(boot_control_module_t * module,unsigned int slot)75 const char* BootControl_getSuffix(boot_control_module_t* module, unsigned int slot) {
76 auto& impl = reinterpret_cast<boot_control_private_t*>(module)->impl;
77 return impl.GetSuffix(slot);
78 }
79
BootControl_open(const hw_module_t * module __unused,const char * id __unused,hw_device_t ** device __unused)80 static int BootControl_open(const hw_module_t* module __unused, const char* id __unused,
81 hw_device_t** device __unused) {
82 /* Nothing to do currently. */
83 return 0;
84 }
85
86 struct hw_module_methods_t BootControl_methods = {
87 .open = BootControl_open,
88 };
89
90 } // namespace
91
92 boot_control_private_t HAL_MODULE_INFO_SYM = {
93 .base =
94 {
95 .common =
96 {
97 .tag = HARDWARE_MODULE_TAG,
98 .module_api_version = BOOT_CONTROL_MODULE_API_VERSION_0_1,
99 .hal_api_version = HARDWARE_HAL_API_VERSION,
100 .id = BOOT_CONTROL_HARDWARE_MODULE_ID,
101 .name = "AOSP reference bootctrl HAL",
102 .author = "The Android Open Source Project",
103 .methods = &BootControl_methods,
104 },
105 .init = BootControl_init,
106 .getNumberSlots = BootControl_getNumberSlots,
107 .getCurrentSlot = BootControl_getCurrentSlot,
108 .markBootSuccessful = BootControl_markBootSuccessful,
109 .setActiveBootSlot = BootControl_setActiveBootSlot,
110 .setSlotAsUnbootable = BootControl_setSlotAsUnbootable,
111 .isSlotBootable = BootControl_isSlotBootable,
112 .getSuffix = BootControl_getSuffix,
113 .isSlotMarkedSuccessful = BootControl_isSlotMarkedSuccessful,
114 },
115 };
116