75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/* SPDX-License-Identifier: Unlicense */
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#ifndef __EFI_FILE_PROTOCOL_H__
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#define __EFI_FILE_PROTOCOL_H__
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#include "types.h"
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#define EFI_FILE_INFO_GUID \
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{ 0x09576e92, 0x6d3f, 0x11d2, \
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{ 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b } }
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// Open modes
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static const uint64_t EFI_FILE_MODE_READ = 0x0000000000000001;
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static const uint64_t EFI_FILE_MODE_WRITE = 0x0000000000000002;
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static const uint64_t EFI_FILE_MODE_CREATE = 0x8000000000000000;
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// File attributes
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static const uint64_t EFI_FILE_READ_ONLY = 0x1;
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static const uint64_t EFI_FILE_HIDDEN = 0x2;
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static const uint64_t EFI_FILE_SYSTEM = 0x4;
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static const uint64_t EFI_FILE_RESERVED = 0x8;
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static const uint64_t EFI_FILE_DIRECTORY = 0x10;
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static const uint64_t EFI_FILE_ARCHIVE = 0x20;
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struct efi_file_info {
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uint64_t size;
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uint64_t file_size;
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uint64_t physical_size;
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struct efi_time create_time;
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struct efi_time last_access_time;
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struct efi_time modifiction_time;
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uint64_t attribute;
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// The efi_file_info structure is supposed to be a variable size structure,
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// but it's really a pain to always dynamically allocate enough space for
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// the structure, so I explicitly allocated some space in the structure, so
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// we will be able to cover at least some simple cases without dynamic
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// memory allocation.
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uint16_t file_name[256];
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};
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struct efi_file_protocol {
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uint64_t revision;
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efi_status_t (*open)(
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struct efi_file_protocol *,
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struct efi_file_protocol **,
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uint16_t *,
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uint64_t,
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uint64_t);
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efi_status_t (*close)(struct efi_file_protocol *);
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void (*unused1)();
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efi_status_t (*read)(struct efi_file_protocol *, efi_uint_t *, void *);
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efi_status_t (*write)(struct efi_file_protocol *, efi_uint_t *, void *);
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efi_status_t (*get_position)(struct efi_file_protocol *, uint64_t *);
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efi_status_t (*set_position)(struct efi_file_protocol *, uint64_t);
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efi_status_t (*get_info)(
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struct efi_file_protocol *, struct efi_guid *, efi_uint_t *, void *);
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efi_status_t (*set_info)(
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struct efi_file_protocol *, struct efi_guid *, efi_uint_t *, void *);
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void (*unused7)();
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void (*unused8)();
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void (*unused9)();
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void (*unused10)();
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void (*unused11)();
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};
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#endif // __EFI_FILE_PROTOCOL_H__
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