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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "android.hardware.boot@1.0-impl"
#include <log/log.h>
#include <hardware/boot_control.h>
#include <hardware/hardware.h>
#include "LegacyBootControl.h"
#ifdef BOOT_CONTROL_RECOVERY
extern const hw_module_t HAL_MODULE_INFO_SYM;
#endif
namespace android {
namespace hardware {
namespace boot {
namespace V1_0 {
namespace implementation {
BootControl::BootControl(boot_control_module_t *module) : mModule(module) {}
// Methods from ::android::hardware::boot::V1_0::IBootControl follow.
Return<uint32_t> BootControl::getNumberSlots() {
return mModule->getNumberSlots(mModule);
}
Return<uint32_t> BootControl::getCurrentSlot() {
return mModule->getCurrentSlot(mModule);
}
Return<void> BootControl::markBootSuccessful(markBootSuccessful_cb _hidl_cb) {
int ret = mModule->markBootSuccessful(mModule);
struct CommandResult cr;
cr.success = (ret == 0);
cr.errMsg = strerror(-ret);
_hidl_cb(cr);
return Void();
}
Return<void> BootControl::setActiveBootSlot(uint32_t slot, setActiveBootSlot_cb _hidl_cb) {
int ret = mModule->setActiveBootSlot(mModule, slot);
struct CommandResult cr;
cr.success = (ret == 0);
cr.errMsg = strerror(-ret);
_hidl_cb(cr);
return Void();
}
Return<void> BootControl::setSlotAsUnbootable(uint32_t slot, setSlotAsUnbootable_cb _hidl_cb) {
int ret = mModule->setSlotAsUnbootable(mModule, slot);
struct CommandResult cr;
cr.success = (ret == 0);
cr.errMsg = strerror(-ret);
_hidl_cb(cr);
return Void();
}
Return<BoolResult> BootControl::isSlotBootable(uint32_t slot) {
int32_t ret = mModule->isSlotBootable(mModule, slot);
if (ret < 0) {
return BoolResult::INVALID_SLOT;
}
return ret ? BoolResult::TRUE : BoolResult::FALSE;
}
Return<BoolResult> BootControl::isSlotMarkedSuccessful(uint32_t slot) {
int32_t ret = mModule->isSlotMarkedSuccessful(mModule, slot);
if (ret < 0) {
return BoolResult::INVALID_SLOT;
}
return ret ? BoolResult::TRUE : BoolResult::FALSE;
}
Return<void> BootControl::getSuffix(uint32_t slot, getSuffix_cb _hidl_cb) {
hidl_string ans;
const char *suffix = mModule->getSuffix(mModule, slot);
if (suffix) {
ans = suffix;
}
_hidl_cb(ans);
return Void();
}
#ifdef BOOT_CONTROL_RECOVERY
IBootControl *HIDL_FETCH_IBootControl(const char * /* hal */) {
boot_control_module_t *module;
// For devices that don't build a standalone libhardware bootctrl impl for recovery,
// we simulate the hw_get_module() by accessing it from the current process directly.
const hw_module_t *hw_module = &HAL_MODULE_INFO_SYM;
if (!hw_module || strcmp(BOOT_CONTROL_HARDWARE_MODULE_ID, hw_module->id) != 0) {
ALOGE("Error loading boot_control HAL implementation: %d.", -EINVAL);
return nullptr;
}
module = reinterpret_cast<boot_control_module_t *>(const_cast<hw_module_t *>(hw_module));
module->init(module);
return new BootControl(module);
}
#else
IBootControl *HIDL_FETCH_IBootControl(const char * /* hal */) {
int ret = 0;
boot_control_module_t *module = NULL;
hw_module_t **hwm = reinterpret_cast<hw_module_t **>(&module);
ret = hw_get_module(BOOT_CONTROL_HARDWARE_MODULE_ID, const_cast<const hw_module_t **>(hwm));
if (ret) {
ALOGE("hw_get_module %s failed: %d", BOOT_CONTROL_HARDWARE_MODULE_ID, ret);
return nullptr;
}
module->init(module);
return new BootControl(module);
}
#endif
} // namespace implementation
} // namespace V1_0
} // namespace boot
} // namespace hardware
} // namespace android
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