xref: /haiku/headers/private/kernel/platform/efi/protocol/disk-io.h (revision 87f4776937505e3014251c9c3434be78ae29d7d0)
1 // Copyright 2016 The Fuchsia Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #pragma once
6 
7 #include <efi/types.h>
8 #include <efi/boot-services.h>
9 #include <efi/runtime-services.h>
10 
11 #define EFI_DISK_IO_PROTOCOL_GUID \
12     {0xCE345171, 0xBA0B, 0x11d2, {0x8e, 0x4F, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b}}
13 
14 extern efi_guid DiskIoProtocol;
15 
16 #define EFI_DISK_IO_PROTOCOL_REVISION 0x00010000
17 
18 typedef struct efi_disk_io_protocol efi_disk_io_protocol;
19 
20 struct efi_disk_io_protocol {
21     uint64_t Revision;
22     efi_status (*ReadDisk)(efi_disk_io_protocol* self,
23                            uint32_t MediaId, uint64_t Offset,
24                            uint64_t BufferSize, void* Buffer) EFIAPI;
25     efi_status (*WriteDisk)(efi_disk_io_protocol* self,
26                             uint32_t MediaId, uint64_t Offset,
27                             uint64_t BufferSize, const void* Buffer) EFIAPI;
28 };
29