dm: Add a new header for block devices

At present block devices are tied up with partitions. But not all block
devices have partitions within them. They are in fact separate concepts.

Create a separate blk.h header file for block devices.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Stephen Warren <swarren@nvidia.com>

1 files changed, 1 insertions, 48 deletions

diff --git a/include/part.h b/include/part.h
index 140c9b6..2599998 100644
--- a/include/part.h
+++ b/include/part.h
@@ -7,61 +7,14 @@
 #ifndef _PART_H
 #define _PART_H
 
+#include <blk.h>
 #include <ide.h>
 
-struct blk_desc {
-	int		if_type;	/* type of the interface */
-	int		dev;		/* device number */
-	unsigned char	part_type;	/* partition type */
-	unsigned char	target;		/* target SCSI ID */
-	unsigned char	lun;		/* target LUN */
-	unsigned char	hwpart;		/* HW partition, e.g. for eMMC */
-	unsigned char	type;		/* device type */
-	unsigned char	removable;	/* removable device */
-#ifdef CONFIG_LBA48
-	unsigned char	lba48;		/* device can use 48bit addr (ATA/ATAPI v7) */
-#endif
-	lbaint_t	lba;		/* number of blocks */
-	unsigned long	blksz;		/* block size */
-	int		log2blksz;	/* for convenience: log2(blksz) */
-	char		vendor [40+1];	/* IDE model, SCSI Vendor */
-	char		product[20+1];	/* IDE Serial no, SCSI product */
-	char		revision[8+1];	/* firmware revision */
-	unsigned long	(*block_read)(struct blk_desc *block_dev,
-				      lbaint_t start,
-				      lbaint_t blkcnt,
-				      void *buffer);
-	unsigned long	(*block_write)(struct blk_desc *block_dev,
-				       lbaint_t start,
-				       lbaint_t blkcnt,
-				       const void *buffer);
-	unsigned long	(*block_erase)(struct blk_desc *block_dev,
-				       lbaint_t start,
-				       lbaint_t blkcnt);
-	void		*priv;		/* driver private struct pointer */
-};
-
-#define BLOCK_CNT(size, blk_desc) (PAD_COUNT(size, blk_desc->blksz))
-#define PAD_TO_BLOCKSIZE(size, blk_desc) \
-	(PAD_SIZE(size, blk_desc->blksz))
 #define LOG2(x) (((x & 0xaaaaaaaa) ? 1 : 0) + ((x & 0xcccccccc) ? 2 : 0) + \
 		 ((x & 0xf0f0f0f0) ? 4 : 0) + ((x & 0xff00ff00) ? 8 : 0) + \
 		 ((x & 0xffff0000) ? 16 : 0))
 #define LOG2_INVALID(type) ((type)((sizeof(type)<<3)-1))
 
-/* Interface types: */
-#define IF_TYPE_UNKNOWN		0
-#define IF_TYPE_IDE		1
-#define IF_TYPE_SCSI		2
-#define IF_TYPE_ATAPI		3
-#define IF_TYPE_USB		4
-#define IF_TYPE_DOC		5
-#define IF_TYPE_MMC		6
-#define IF_TYPE_SD		7
-#define IF_TYPE_SATA		8
-#define IF_TYPE_HOST		9
-#define IF_TYPE_MAX		10	/* Max number of IF_TYPE_* supported */
-
 /* Part types */
 #define PART_TYPE_UNKNOWN	0x00
 #define PART_TYPE_MAC		0x01