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/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Data structure and API definitions for a verified boot kernel image.
* (Firmware Portion)
*/
#ifndef VBOOT_REFERENCE_VBOOT_KERNEL_H_
#define VBOOT_REFERENCE_VBOOT_KERNEL_H_
#include "cgptlib.h"
#include "gpt_misc.h"
#include "load_firmware_fw.h"
#include "load_kernel_fw.h"
#include "vboot_api.h"
/**
* Accessors for unit tests only.
*/
VbNvContext *VbApiKernelGetVnc(void);
/**
* Exported for unit tests only - frees memory used by VbSelectAndLoadKernel()
*/
void VbApiKernelFree(VbCommonParams *cparams);
/**
* Try to load a kernel.
*/
uint32_t VbTryLoadKernel(VbCommonParams *cparams, LoadKernelParams *p,
uint32_t get_info_flags);
/* Flags for VbUserConfirms() */
#define VB_CONFIRM_MUST_TRUST_KEYBOARD (1 << 0)
#define VB_CONFIRM_SPACE_MEANS_NO (1 << 1)
/**
* Ask the user to confirm something.
*
* We should display whatever the question is first, then call this. ESC is
* always "no", ENTER is always "yes", and we'll specify what SPACE means. We
* don't return until one of those keys is pressed, or until asked to shut
* down.
*
* Additionally, in some situations we don't accept confirmations from an
* untrusted keyboard (such as a USB device). In those cases, a recovery
* button press is needed for confirmation, instead of ENTER.
*
* Returns: 1=yes, 0=no, -1 = shutdown.
*/
int VbUserConfirms(VbCommonParams *cparams, uint32_t confirm_flags);
/**
* Handle a normal boot.
*/
VbError_t VbBootNormal(VbCommonParams *cparams, LoadKernelParams *p);
/**
* Handle a developer-mode boot.
*/
VbError_t VbBootDeveloper(VbCommonParams *cparams, LoadKernelParams *p);
/**
* Handle a recovery-mode boot.
*/
VbError_t VbBootRecovery(VbCommonParams *cparams, LoadKernelParams *p);
/**
* Sync EC device <devidx> firmware to expected version.
*/
VbError_t VbEcSoftwareSync(int devidx, VbCommonParams *cparams);
#endif /* VBOOT_REFERENCE_VBOOT_KERNEL_H_ */
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