1 files changed, 43 insertions, 0 deletions
diff --git a/src/boot/efi/proto/block-io.h b/src/boot/efi/proto/block-io.h
new file mode 100644
index 0000000..e977f70
--- /dev/null
+++ b/src/boot/efi/proto/block-io.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "efi.h"
+
+#define EFI_BLOCK_IO_PROTOCOL_GUID \
+        GUID_DEF(0x0964e5b21, 0x6459, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
+
+typedef struct EFI_BLOCK_IO_PROTOCOL EFI_BLOCK_IO_PROTOCOL;
+struct EFI_BLOCK_IO_PROTOCOL {
+        uint64_t Revision;
+        struct {
+                uint32_t MediaId;
+                bool RemovableMedia;
+                bool MediaPresent;
+                bool LogicalPartition;
+                bool ReadOnly;
+                bool WriteCaching;
+                uint32_t BlockSize;
+                uint32_t IoAlign;
+                EFI_LBA LastBlock;
+                EFI_LBA LowestAlignedLba;
+                uint32_t LogicalBlocksPerPhysicalBlock;
+                uint32_t OptimalTransferLengthGranularity;
+        } *Media;
+
+        EFI_STATUS (EFIAPI *Reset)(
+                        EFI_BLOCK_IO_PROTOCOL *This,
+                        bool ExtendedVerification);
+        EFI_STATUS (EFIAPI *ReadBlocks)(
+                        EFI_BLOCK_IO_PROTOCOL *This,
+                        uint32_t MediaId,
+                        EFI_LBA LBA,
+                        size_t BufferSize,
+                        void *Buffer);
+        EFI_STATUS (EFIAPI *WriteBlocks)(
+                        EFI_BLOCK_IO_PROTOCOL *This,
+                        uint32_t MediaId,
+                        EFI_LBA LBA,
+                        size_t BufferSize,
+                        void *Buffer);
+        EFI_STATUS (EFIAPI *FlushBlocks)(EFI_BLOCK_IO_PROTOCOL *This);
+};