diff options
Diffstat (limited to 'firmware/lib/include/vboot_kernel.h')
| -rw-r--r-- | firmware/lib/include/vboot_kernel.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/firmware/lib/include/vboot_kernel.h b/firmware/lib/include/vboot_kernel.h index 6f1a31d0..eb15e5e2 100644 --- a/firmware/lib/include/vboot_kernel.h +++ b/firmware/lib/include/vboot_kernel.h @@ -16,6 +16,84 @@ struct vb2_context; +/* Flags for VbSharedDataKernelPart.flags */ +#define VBSD_LKP_FLAG_KEYBLOCK_VALID 0x01 + +/* Result codes for VbSharedDataKernelPart.check_result */ +#define VBSD_LKP_CHECK_NOT_DONE 0 +#define VBSD_LKP_CHECK_TOO_SMALL 1 +#define VBSD_LKP_CHECK_READ_START 2 +#define VBSD_LKP_CHECK_KEYBLOCK_SIG 3 +#define VBSD_LKP_CHECK_KEYBLOCK_HASH 4 +#define VBSD_LKP_CHECK_DEV_MISMATCH 5 +#define VBSD_LKP_CHECK_REC_MISMATCH 6 +#define VBSD_LKP_CHECK_KEY_ROLLBACK 7 +#define VBSD_LKP_CHECK_DATA_KEY_PARSE 8 +#define VBSD_LKP_CHECK_VERIFY_PREAMBLE 9 +#define VBSD_LKP_CHECK_KERNEL_ROLLBACK 10 +#define VBSD_LKP_CHECK_PREAMBLE_VALID 11 +/* + * Body load address check is omitted; this result code is deprecated and not + * used anywhere in the codebase. + */ +#define VBSD_LKP_CHECK_BODY_ADDRESS 12 +#define VBSD_LKP_CHECK_BODY_OFFSET 13 +#define VBSD_LKP_CHECK_SELF_SIGNED 14 +#define VBSD_LKP_CHECK_BODY_EXCEEDS_MEM 15 +#define VBSD_LKP_CHECK_BODY_EXCEEDS_PART 16 +#define VBSD_LKP_CHECK_READ_DATA 17 +#define VBSD_LKP_CHECK_VERIFY_DATA 18 +#define VBSD_LKP_CHECK_KERNEL_GOOD 19 + +/* Information about a single kernel partition check in LoadKernel() */ +typedef struct VbSharedDataKernelPart { + uint64_t sector_start; /* Start sector of partition */ + uint64_t sector_count; /* Sector count of partition */ + uint32_t combined_version; /* Combined key+kernel version */ + uint8_t gpt_index; /* Index of partition in GPT */ + uint8_t check_result; /* Check result; see VBSD_LKP_CHECK_* */ + uint8_t flags; /* Flags (see VBSD_LKP_FLAG_* */ + uint8_t reserved0; /* Reserved for padding */ +} VbSharedDataKernelPart; + +/* Number of kernel partitions to track per call. Must be power of 2. */ +#define VBSD_MAX_KERNEL_PARTS 8 + +/* Result codes for VbSharedDataKernelCall.check_result */ +#define VBSD_LKC_CHECK_NOT_DONE 0 +#define VBSD_LKC_CHECK_DEV_SWITCH_MISMATCH 1 +#define VBSD_LKC_CHECK_GPT_READ_ERROR 2 +#define VBSD_LKC_CHECK_GPT_PARSE_ERROR 3 +#define VBSD_LKC_CHECK_GOOD_PARTITION 4 +#define VBSD_LKC_CHECK_INVALID_PARTITIONS 5 +#define VBSD_LKC_CHECK_NO_PARTITIONS 6 + +/* Information about a single call to LoadKernel() */ +typedef struct VbSharedDataKernelCall { + /* Bottom 32 bits of flags passed in LoadKernelParams.boot_flags */ + uint32_t boot_flags; + /* Debug flags; see VBSD_LK_FLAG_* */ + uint32_t flags; + /* Number of sectors on drive */ + uint64_t sector_count; + /* Sector size in bytes */ + uint32_t sector_size; + /* Check result; see VBSD_LKC_CHECK_* */ + uint8_t check_result; + /* Boot mode for LoadKernel(); see VBSD_LK_BOOT_MODE_* constants */ + uint8_t boot_mode; + /* Test error number, if non-zero */ + uint8_t test_error_num; + /* Return code from LoadKernel() */ + uint8_t return_code; + /* Number of kernel partitions found */ + uint8_t kernel_parts_found; + /* Reserved for padding */ + uint8_t reserved0[7]; + /* Data on kernels */ + VbSharedDataKernelPart parts[VBSD_MAX_KERNEL_PARTS]; +} VbSharedDataKernelCall; + /** * Attempt loading a kernel from the specified type(s) of disks. * |