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-rw-r--r--include/efi_api.h12
-rw-r--r--lib/efi_loader/efi_disk.c8
2 files changed, 14 insertions, 6 deletions
diff --git a/include/efi_api.h b/include/efi_api.h
index 502fffed20..1ecde54152 100644
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -424,18 +424,26 @@ struct efi_block_io_media
u32 io_align;
u8 pad2[4];
u64 last_block;
+ /* Added in revision 2 of the protocol */
+ u64 lowest_aligned_lba;
+ u32 logical_blocks_per_physical_block;
+ /* Added in revision 3 of the protocol */
+ u32 optimal_transfer_length_granualarity;
};
+#define EFI_BLOCK_IO_PROTOCOL_REVISION2 0x00020001
+#define EFI_BLOCK_IO_PROTOCOL_REVISION3 0x0002001f
+
struct efi_block_io {
u64 revision;
struct efi_block_io_media *media;
efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
char extended_verification);
efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
- u32 media_id, u64 lba, unsigned long buffer_size,
+ u32 media_id, u64 lba, efi_uintn_t buffer_size,
void *buffer);
efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
- u32 media_id, u64 lba, unsigned long buffer_size,
+ u32 media_id, u64 lba, efi_uintn_t buffer_size,
void *buffer);
efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
};
diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c
index 0050e5d98f..ac39a65ee8 100644
--- a/lib/efi_loader/efi_disk.c
+++ b/lib/efi_loader/efi_disk.c
@@ -91,7 +91,7 @@ static efi_status_t efi_disk_rw_blocks(struct efi_block_io *this,
}
static efi_status_t EFIAPI efi_disk_read_blocks(struct efi_block_io *this,
- u32 media_id, u64 lba, unsigned long buffer_size,
+ u32 media_id, u64 lba, efi_uintn_t buffer_size,
void *buffer)
{
void *real_buffer = buffer;
@@ -112,7 +112,7 @@ static efi_status_t EFIAPI efi_disk_read_blocks(struct efi_block_io *this,
real_buffer = efi_bounce_buffer;
#endif
- EFI_ENTRY("%p, %x, %"PRIx64", %lx, %p", this, media_id, lba,
+ EFI_ENTRY("%p, %x, %" PRIx64 ", %zx, %p", this, media_id, lba,
buffer_size, buffer);
r = efi_disk_rw_blocks(this, media_id, lba, buffer_size, real_buffer,
@@ -126,7 +126,7 @@ static efi_status_t EFIAPI efi_disk_read_blocks(struct efi_block_io *this,
}
static efi_status_t EFIAPI efi_disk_write_blocks(struct efi_block_io *this,
- u32 media_id, u64 lba, unsigned long buffer_size,
+ u32 media_id, u64 lba, efi_uintn_t buffer_size,
void *buffer)
{
void *real_buffer = buffer;
@@ -147,7 +147,7 @@ static efi_status_t EFIAPI efi_disk_write_blocks(struct efi_block_io *this,
real_buffer = efi_bounce_buffer;
#endif
- EFI_ENTRY("%p, %x, %"PRIx64", %lx, %p", this, media_id, lba,
+ EFI_ENTRY("%p, %x, %" PRIx64 ", %zx, %p", this, media_id, lba,
buffer_size, buffer);
/* Populate bounce buffer if necessary */