diff options
Diffstat (limited to 'arch/x86/include/asm/fsp/fsp_fv.h')
| -rw-r--r-- | arch/x86/include/asm/fsp/fsp_fv.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/arch/x86/include/asm/fsp/fsp_fv.h b/arch/x86/include/asm/fsp/fsp_fv.h new file mode 100644 index 0000000000..a024451a74 --- /dev/null +++ b/arch/x86/include/asm/fsp/fsp_fv.h @@ -0,0 +1,137 @@ +/* + * 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 { + /* 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. + */ + struct efi_guid 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 */ + struct efi_guid fv_name; + /* Size of the rest of the extension header including this structure */ + u32 ext_hdr_size; +}; + +#endif |