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- /* SPDX-License-Identifier: MIT */
- /*
- * Copyright (C) 2016 The Android Open Source Project
- */
- #if !defined(AVB_INSIDE_LIBAVB_H) && !defined(AVB_COMPILATION)
- #error "Never include this file directly, include libavb.h instead."
- #endif
- #ifndef AVB_KERNEL_CMDLINE_DESCRIPTOR_H_
- #define AVB_KERNEL_CMDLINE_DESCRIPTOR_H_
- #include "avb_descriptor.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* Flags for kernel command-line descriptors.
- *
- * AVB_KERNEL_CMDLINE_FLAGS_USE_ONLY_IF_HASHTREE_NOT_DISABLED: The
- * cmdline will only be applied if hashtree verification is not
- * disabled (cf. AVB_VBMETA_IMAGE_FLAGS_HASHTREE_DISABLED).
- *
- * AVB_KERNEL_CMDLINE_FLAGS_USE_ONLY_IF_HASHTREE_DISABLED: The cmdline
- * will only be applied if hashtree verification is disabled
- * (cf. AVB_VBMETA_IMAGE_FLAGS_HASHTREE_DISABLED).
- */
- typedef enum {
- AVB_KERNEL_CMDLINE_FLAGS_USE_ONLY_IF_HASHTREE_NOT_DISABLED = (1 << 0),
- AVB_KERNEL_CMDLINE_FLAGS_USE_ONLY_IF_HASHTREE_DISABLED = (1 << 1)
- } AvbKernelCmdlineFlags;
- /* A descriptor containing information to be appended to the kernel
- * command-line.
- *
- * The |flags| field contains flags from the AvbKernelCmdlineFlags
- * enumeration.
- *
- * Following this struct are |kernel_cmdline_len| bytes with the
- * kernel command-line (UTF-8 encoded).
- */
- typedef struct AvbKernelCmdlineDescriptor {
- AvbDescriptor parent_descriptor;
- uint32_t flags;
- uint32_t kernel_cmdline_length;
- } AVB_ATTR_PACKED AvbKernelCmdlineDescriptor;
- /* Copies |src| to |dest| and validates, byte-swapping fields in the
- * process if needed. Returns true if valid, false if invalid.
- *
- * Data following the struct is not validated nor copied.
- */
- bool avb_kernel_cmdline_descriptor_validate_and_byteswap(
- const AvbKernelCmdlineDescriptor* src,
- AvbKernelCmdlineDescriptor* dest) AVB_ATTR_WARN_UNUSED_RESULT;
- #ifdef __cplusplus
- }
- #endif
- #endif /* AVB_KERNEL_CMDLINE_DESCRIPTOR_H_ */
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