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/*
* Copyright (C) 2013, Intel Corporation
* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
*
* SPDX-License-Identifier: Intel
*/
#ifndef __FSP_FV___
#define __FSP_FV___
/* 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_t {
/* 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_t {
/*
* 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.
*/
struct 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_t 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_t {
/* firmware volume name */
struct 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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