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- /* SPDX-License-Identifier: Intel */
- /*
- * Copyright (C) 2013, Intel Corporation
- * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
- */
- #ifndef __FSP_FV___
- #define __FSP_FV___
- #include <efi.h>
- /* Value of EFI_FV_FILE_ATTRIBUTES */
- #define EFI_FV_FILE_ATTR_ALIGNMENT 0x0000001F
- #define EFI_FV_FILE_ATTR_FIXED 0x00000100
- #define EFI_FV_FILE_ATTR_MEMORY_MAPPED 0x00000200
- /* Attributes bit definitions */
- #define EFI_FVB2_READ_DISABLED_CAP 0x00000001
- #define EFI_FVB2_READ_ENABLED_CAP 0x00000002
- #define EFI_FVB2_READ_STATUS 0x00000004
- #define EFI_FVB2_WRITE_DISABLED_CAP 0x00000008
- #define EFI_FVB2_WRITE_ENABLED_CAP 0x00000010
- #define EFI_FVB2_WRITE_STATUS 0x00000020
- #define EFI_FVB2_LOCK_CAP 0x00000040
- #define EFI_FVB2_LOCK_STATUS 0x00000080
- #define EFI_FVB2_STICKY_WRITE 0x00000200
- #define EFI_FVB2_MEMORY_MAPPED 0x00000400
- #define EFI_FVB2_ERASE_POLARITY 0x00000800
- #define EFI_FVB2_READ_LOCK_CAP 0x00001000
- #define EFI_FVB2_READ_LOCK_STATUS 0x00002000
- #define EFI_FVB2_WRITE_LOCK_CAP 0x00004000
- #define EFI_FVB2_WRITE_LOCK_STATUS 0x00008000
- #define EFI_FVB2_ALIGNMENT 0x001F0000
- #define EFI_FVB2_ALIGNMENT_1 0x00000000
- #define EFI_FVB2_ALIGNMENT_2 0x00010000
- #define EFI_FVB2_ALIGNMENT_4 0x00020000
- #define EFI_FVB2_ALIGNMENT_8 0x00030000
- #define EFI_FVB2_ALIGNMENT_16 0x00040000
- #define EFI_FVB2_ALIGNMENT_32 0x00050000
- #define EFI_FVB2_ALIGNMENT_64 0x00060000
- #define EFI_FVB2_ALIGNMENT_128 0x00070000
- #define EFI_FVB2_ALIGNMENT_256 0x00080000
- #define EFI_FVB2_ALIGNMENT_512 0x00090000
- #define EFI_FVB2_ALIGNMENT_1K 0x000A0000
- #define EFI_FVB2_ALIGNMENT_2K 0x000B0000
- #define EFI_FVB2_ALIGNMENT_4K 0x000C0000
- #define EFI_FVB2_ALIGNMENT_8K 0x000D0000
- #define EFI_FVB2_ALIGNMENT_16K 0x000E0000
- #define EFI_FVB2_ALIGNMENT_32K 0x000F0000
- #define EFI_FVB2_ALIGNMENT_64K 0x00100000
- #define EFI_FVB2_ALIGNMENT_128K 0x00110000
- #define EFI_FVB2_ALIGNMENT_256K 0x00120000
- #define EFI_FVB2_ALIGNMENT_512K 0x00130000
- #define EFI_FVB2_ALIGNMENT_1M 0x00140000
- #define EFI_FVB2_ALIGNMENT_2M 0x00150000
- #define EFI_FVB2_ALIGNMENT_4M 0x00160000
- #define EFI_FVB2_ALIGNMENT_8M 0x00170000
- #define EFI_FVB2_ALIGNMENT_16M 0x00180000
- #define EFI_FVB2_ALIGNMENT_32M 0x00190000
- #define EFI_FVB2_ALIGNMENT_64M 0x001A0000
- #define EFI_FVB2_ALIGNMENT_128M 0x001B0000
- #define EFI_FVB2_ALIGNMENT_256M 0x001C0000
- #define EFI_FVB2_ALIGNMENT_512M 0x001D0000
- #define EFI_FVB2_ALIGNMENT_1G 0x001E0000
- #define EFI_FVB2_ALIGNMENT_2G 0x001F0000
- struct fv_blkmap_entry {
- /* The number of sequential blocks which are of the same size */
- u32 num_blocks;
- /* The size of the blocks */
- u32 length;
- };
- /* Describes the features and layout of the firmware volume */
- struct fv_header {
- /*
- * The first 16 bytes are reserved to allow for the reset vector of
- * processors whose reset vector is at address 0.
- */
- u8 zero_vec[16];
- /*
- * Declares the file system with which the firmware volume
- * is formatted.
- */
- efi_guid_t fs_guid;
- /*
- * Length in bytes of the complete firmware volume, including
- * the header.
- */
- u64 fv_len;
- /* Set to EFI_FVH_SIGNATURE */
- u32 sign;
- /*
- * Declares capabilities and power-on defaults for the firmware
- * volume.
- */
- u32 attr;
- /* Length in bytes of the complete firmware volume header */
- u16 hdr_len;
- /*
- * A 16-bit checksum of the firmware volume header.
- * A valid header sums to zero.
- */
- u16 checksum;
- /*
- * Offset, relative to the start of the header, of the extended
- * header (EFI_FIRMWARE_VOLUME_EXT_HEADER) or zero if there is
- * no extended header.
- */
- u16 ext_hdr_off;
- /* This field must always be set to zero */
- u8 reserved[1];
- /*
- * Set to 2. Future versions of this specification may define new
- * header fields and will increment the Revision field accordingly.
- */
- u8 rev;
- /*
- * An array of run-length encoded FvBlockMapEntry structures.
- * The array is terminated with an entry of {0,0}.
- */
- struct fv_blkmap_entry block_map[1];
- };
- #define EFI_FVH_SIGNATURE SIGNATURE_32('_', 'F', 'V', 'H')
- /* Firmware Volume Header Revision definition */
- #define EFI_FVH_REVISION 0x02
- /* Extension header pointed by ExtHeaderOffset of volume header */
- struct fv_ext_header {
- /* firmware volume name */
- efi_guid_t fv_name;
- /* Size of the rest of the extension header including this structure */
- u32 ext_hdr_size;
- };
- #endif
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