X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fblk.h;h=d0c033aece0fb7986a614cef5a9176dc6bca2f44;hb=8947145cd0ae8adf1c5dc0ae6756d49bf5330b48;hp=41b4d7efa82b3f88994b95a61071310ae51462fe;hpb=74d90d17eebfeeefd91776e3deb7901c122bef7f;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/blk.h b/include/blk.h
index 41b4d7e..d0c033a 100644
--- a/include/blk.h
+++ b/include/blk.h
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2000-2004
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef BLK_H
@@ -32,8 +31,9 @@ enum if_type {
 	IF_TYPE_SD,
 	IF_TYPE_SATA,
 	IF_TYPE_HOST,
-	IF_TYPE_SYSTEMACE,
 	IF_TYPE_NVME,
+	IF_TYPE_EFI,
+	IF_TYPE_VIRTIO,
 
 	IF_TYPE_COUNT,			/* Number of interface types */
 };
@@ -112,7 +112,7 @@ struct blk_desc {
 #define PAD_TO_BLOCKSIZE(size, blk_desc) \
 	(PAD_SIZE(size, blk_desc->blksz))
 
-#ifdef CONFIG_BLOCK_CACHE
+#if CONFIG_IS_ENABLED(BLOCK_CACHE)
 /**
  * blkcache_read() - attempt to read a set of blocks from cache
  *
@@ -358,16 +358,6 @@ int blk_create_devicef(struct udevice *parent, const char *drv_name,
 		       lbaint_t lba, struct udevice **devp);
 
 /**
- * blk_prepare_device() - Prepare a block device for use
- *
- * This reads partition information from the device if supported.
- *
- * @dev:	Device to prepare
- * @return 0 if ok, -ve on error
- */
-int blk_prepare_device(struct udevice *dev);
-
-/**
  * blk_unbind_all() - Unbind all device of the given interface type
  *
  * The devices are removed and then unbound.
@@ -390,6 +380,17 @@ int blk_unbind_all(int if_type);
 int blk_find_max_devnum(enum if_type if_type);
 
 /**
+ * blk_next_free_devnum() - get the next device number for an interface type
+ *
+ * Finds the next number that is safe to use for a newly allocated device for
+ * an interface type @if_type.
+ *
+ * @if_type:	Interface type to scan
+ * @return next device number safe to use, or -ve on error
+ */
+int blk_next_free_devnum(enum if_type if_type);
+
+/**
  * blk_select_hwpart() - select a hardware partition
  *
  * Select a hardware partition if the device supports it (typically MMC does)
@@ -407,6 +408,15 @@ int blk_select_hwpart(struct udevice *dev, int hwpart);
  */
 int blk_get_from_parent(struct udevice *parent, struct udevice **devp);
 
+/**
+ * blk_get_by_device() - Get the block device descriptor for the given device
+ * @dev:	Instance of a storage device
+ *
+ * Return: With block device descriptor on success , NULL if there is no such
+ *	   block device.
+ */
+struct blk_desc *blk_get_by_device(struct udevice *dev);
+
 #else
 #include <errno.h>
 /*