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b07b4b9c71
Now that vb2_shared_data / vb2_context provides all the same data to lower-level kernel verification code that cparams did, stop passing cparams down to those functions. No change in functionality. BUG=chromium:611535 BRANCH=none TEST=make -j runtests; build bob firmware and boot it Change-Id: I86eb1801ee96d8b56404b74843a8d09e3122567f Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/852814 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Data structure and API definitions for a verified boot kernel image.
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* (Firmware Portion)
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*/
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#ifndef VBOOT_REFERENCE_VBOOT_KERNEL_H_
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#define VBOOT_REFERENCE_VBOOT_KERNEL_H_
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#include "cgptlib.h"
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#include "gpt_misc.h"
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#include "load_kernel_fw.h"
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#include "vboot_api.h"
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struct vb2_context;
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/**
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* Attempt loading a kernel from the specified type(s) of disks.
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*
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* If successful, sets lkp.disk_handle to the disk for the kernel and returns
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* VBERROR_SUCCESS.
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*
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* @param ctx Vboot context
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* @param get_info_flags Flags to pass to VbExDiskGetInfo()
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* @return VBERROR_SUCCESS, VBERROR_NO_DISK_FOUND if no disks of the specified
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* type were found, or other non-zero VBERROR_ codes for other failures.
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*/
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uint32_t VbTryLoadKernel(struct vb2_context *ctx, uint32_t get_info_flags);
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/* Flags for VbUserConfirms() */
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#define VB_CONFIRM_MUST_TRUST_KEYBOARD (1 << 0)
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#define VB_CONFIRM_SPACE_MEANS_NO (1 << 1)
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/**
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* Ask the user to confirm something.
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*
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* We should display whatever the question is first, then call this. ESC is
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* always "no", ENTER is always "yes", and we'll specify what SPACE means. We
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* don't return until one of those keys is pressed, or until asked to shut
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* down.
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*
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* Additionally, in some situations we don't accept confirmations from an
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* untrusted keyboard (such as a USB device). In those cases, a recovery
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* button press is needed for confirmation, instead of ENTER.
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*
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* Returns: 1=yes, 0=no, -1 = shutdown.
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*/
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int VbUserConfirms(struct vb2_context *ctx, uint32_t confirm_flags);
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/**
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* Handle a normal boot.
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*/
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VbError_t VbBootNormal(struct vb2_context *ctx);
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/**
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* Handle a developer-mode boot.
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*/
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VbError_t VbBootDeveloper(struct vb2_context *ctx);
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/**
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* Handle a recovery-mode boot.
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*/
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VbError_t VbBootRecovery(struct vb2_context *ctx);
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/**
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* Handle a developer-mode boot using detachable menu ui
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*/
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VbError_t VbBootDeveloperMenu(struct vb2_context *ctx);
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/**
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* Handle a recovery-mode boot using detachable menu ui
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*/
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VbError_t VbBootRecoveryMenu(struct vb2_context *ctx);
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/**
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* Return the current FWMP flags. Valid only inside VbSelectAndLoadKernel().
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*/
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uint32_t vb2_get_fwmp_flags(void);
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/**
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* Commit NvStorage.
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*
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* This may be called by UI functions which need to save settings before they
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* sit in an infinite loop waiting for shutdown (this is, by a UI state which
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* will never return).
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*/
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void vb2_nv_commit(struct vb2_context *ctx);
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#endif /* VBOOT_REFERENCE_VBOOT_KERNEL_H_ */
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