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Diffstat (limited to 'arch/x86/include/asm/fsp/fsp_types.h')
| -rw-r--r-- | arch/x86/include/asm/fsp/fsp_types.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/x86/include/asm/fsp/fsp_types.h b/arch/x86/include/asm/fsp/fsp_types.h new file mode 100644 index 0000000000..f32d8273a0 --- /dev/null +++ b/arch/x86/include/asm/fsp/fsp_types.h @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2013, Intel Corporation + * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: Intel + */ + +#ifndef __FSP_TYPES_H__ +#define __FSP_TYPES_H__ + +/* 128 bit buffer containing a unique identifier value */ +struct efi_guid { + u32 data1; + u16 data2; + u16 data3; + u8 data4[8]; +}; + +/** + * Returns a 16-bit signature built from 2 ASCII characters. + * + * This macro returns a 16-bit value built from the two ASCII characters + * specified by A and B. + * + * @A: The first ASCII character. + * @B: The second ASCII character. + * + * @return: A 16-bit value built from the two ASCII characters specified by + * A and B. + */ +#define SIGNATURE_16(A, B) ((A) | (B << 8)) + +/** + * Returns a 32-bit signature built from 4 ASCII characters. + * + * This macro returns a 32-bit value built from the four ASCII characters + * specified by A, B, C, and D. + * + * @A: The first ASCII character. + * @B: The second ASCII character. + * @C: The third ASCII character. + * @D: The fourth ASCII character. + * + * @return: A 32-bit value built from the two ASCII characters specified by + * A, B, C and D. + */ +#define SIGNATURE_32(A, B, C, D) \ + (SIGNATURE_16(A, B) | (SIGNATURE_16(C, D) << 16)) + +/** + * Returns a 64-bit signature built from 8 ASCII characters. + * + * This macro returns a 64-bit value built from the eight ASCII characters + * specified by A, B, C, D, E, F, G,and H. + * + * @A: The first ASCII character. + * @B: The second ASCII character. + * @C: The third ASCII character. + * @D: The fourth ASCII character. + * @E: The fifth ASCII character. + * @F: The sixth ASCII character. + * @G: The seventh ASCII character. + * @H: The eighth ASCII character. + * + * @return: A 64-bit value built from the two ASCII characters specified by + * A, B, C, D, E, F, G and H. + */ +#define SIGNATURE_64(A, B, C, D, E, F, G, H) \ + (SIGNATURE_32(A, B, C, D) | ((u64)(SIGNATURE_32(E, F, G, H)) << 32)) + +/* + * Define FSP API return status code. + * Compatiable with EFI_STATUS defined in PI Spec. + */ +#define FSP_SUCCESS 0 +#define FSP_INVALID_PARAM 0x80000002 +#define FSP_UNSUPPORTED 0x80000003 +#define FSP_DEVICE_ERROR 0x80000007 +#define FSP_NOT_FOUND 0x8000000E +#define FSP_ALREADY_STARTED 0x80000014 + +#endif |