Merge branch 'master' of git://git.denx.de/u-boot-sunxi

[oweals/u-boot.git] / include / part.h

diff --git a/include/part.h b/include/part.h
index 3b59139f1476e6b25073bc4b04ccb14e0df4aa10..09790059d085461191bc480bc060c3dba166012c 100644 (file)
--- a/include/part.h
+++ b/include/part.h
@@ -12,7 +12,6 @@
 
 struct block_drvr {
        char *name;
-       struct blk_desc* (*get_dev)(int dev);
        int (*select_hwpart)(int dev_num, int hwpart);
 };
 
@@ -29,6 +28,11 @@ struct block_drvr {
 #define PART_TYPE_AMIGA                0x04
 #define PART_TYPE_EFI          0x05
 
+/* maximum number of partition entries supported by search */
+#define DOS_ENTRY_NUMBERS      8
+#define ISO_ENTRY_NUMBERS      64
+#define MAC_ENTRY_NUMBERS      64
+#define AMIGA_ENTRY_NUMBERS    8
 /*
  * Type string for U-Boot bootable partitions
  */
@@ -74,25 +78,7 @@ typedef struct disk_partition {
  */
 struct blk_desc *blk_get_dev(const char *ifname, int dev);
 
-/**
- * mmc_select_hwpart() - Select the MMC hardware partiion on an MMC device
- *
- * MMC devices can support partitioning at the hardware level. This is quite
- * separate from the normal idea of software-based partitions. MMC hardware
- * partitions must be explicitly selected. Once selected only the region of
- * the device covered by that partition is accessible.
- *
- * The MMC standard provides for two boot partitions (numbered 1 and 2),
- * rpmb (3), and up to 4 addition general-purpose partitions (4-7).
- *
- * @dev_num:   Block device number (struct blk_desc->dev value)
- * @hwpart:    Hardware partition number to select. 0 means the raw device,
- *             1 is the first partition, 2 is the second, etc.
- * @return 0 if OK, other value for an error
- */
-int mmc_select_hwpart(int dev_num, int hwpart);
 struct blk_desc *mg_disk_get_dev(int dev);
-struct blk_desc *host_get_dev(int dev);
 int host_get_dev_err(int dev, struct blk_desc **blk_devp);
 
 /* disk/part.c */
@@ -165,13 +151,39 @@ int blk_get_device_by_str(const char *ifname, const char *dev_str,
 int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
                            struct blk_desc **dev_desc,
                            disk_partition_t *info, int allow_whole_dev);
+
+/**
+ * part_get_info_by_name() - Search for a partition by name
+ *                           among all available registered partitions
+ *
+ * @param dev_desc - block device descriptor
+ * @param gpt_name - the specified table entry name
+ * @param info - returns the disk partition info
+ *
+ * @return - '0' on match, '-1' on no match, otherwise error
+ */
+int part_get_info_by_name(struct blk_desc *dev_desc,
+                             const char *name, disk_partition_t *info);
+
+/**
+ * part_set_generic_name() - create generic partition like hda1 or sdb2
+ *
+ * Helper function for partition tables, which don't hold partition names
+ * (DOS, ISO). Generates partition name out of the device type and partition
+ * number.
+ *
+ * @dev_desc:  pointer to the block device
+ * @part_num:  partition number for which the name is generated
+ * @name:      buffer where the name is written
+ */
+void part_set_generic_name(const struct blk_desc *dev_desc,
+       int part_num, char *name);
+
 extern const struct block_drvr block_drvr[];
 #else
 static inline struct blk_desc *blk_get_dev(const char *ifname, int dev)
 { return NULL; }
-static inline int mmc_select_hwpart(int dev_num, int hwpart) { return -1; }
 static inline struct blk_desc *mg_disk_get_dev(int dev) { return NULL; }
-static inline struct blk_desc *host_get_dev(int dev) { return NULL; }
 
 static inline int part_get_info(struct blk_desc *dev_desc, int part,
                                disk_partition_t *info) { return -1; }
@@ -210,6 +222,7 @@ static inline int blk_get_device_part_str(const char *ifname,
 struct part_driver {
        const char *name;
        int part_type;
+       const int max_entries;  /* maximum number of entries to search */
 
        /**
         * get_info() - Get information about a partition
@@ -245,18 +258,6 @@ struct part_driver {
 #ifdef CONFIG_EFI_PARTITION
 #include <part_efi.h>
 /* disk/part_efi.c */
-/**
- * part_get_info_efi_by_name() - Find the specified GPT partition table entry
- *
- * @param dev_desc - block device descriptor
- * @param gpt_name - the specified table entry name
- * @param info - returns the disk partition info
- *
- * @return - '0' on match, '-1' on no match, otherwise error
- */
-int part_get_info_efi_by_name(struct blk_desc *dev_desc,
-                             const char *name, disk_partition_t *info);
-
 /**
  * write_gpt_table() - Write the GUID Partition Table to disk
  *
@@ -364,4 +365,27 @@ int gpt_verify_partitions(struct blk_desc *dev_desc,
                          gpt_header *gpt_head, gpt_entry **gpt_pte);
 #endif
 
+#ifdef CONFIG_DOS_PARTITION
+/**
+ * is_valid_dos_buf() - Ensure that a DOS MBR image is valid
+ *
+ * @param buf - buffer which contains the MBR
+ *
+ * @return - '0' on success, otherwise error
+ */
+int is_valid_dos_buf(void *buf);
+
+/**
+ * write_mbr_partition() - write DOS MBR
+ *
+ * @param dev_desc - block device descriptor
+ * @param buf - buffer which contains the MBR
+ *
+ * @return - '0' on success, otherwise error
+ */
+int write_mbr_partition(struct blk_desc *dev_desc, void *buf);
+
+#endif
+
+
 #endif /* _PART_H */