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authorRob Herring <rob.herring@calxeda.com>2012-09-21 04:08:17 +0000
committerTom Rini <trini@ti.com>2012-09-25 14:44:40 -0700
commit99d2c205d4a151faf5f9a406316b9dd960f43475 (patch)
tree8c25f66afa7eae3879f134ff8bc8bdd62fc22203 /include/part.h
parent40e0e5686accd2f7ae7fd81297620d0e132624d9 (diff)
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disk/part: introduce get_device_and_partition
All block device related commands (scsiboot, fatload, ext2ls, etc.) have simliar duplicated device and partition parsing and selection code. This adds a common function to replace various implementations. The new function has an enhancement over current versions. If no device or partition is specified on the command line, the bootdevice env variable will be used (scsiboot does this). Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Diffstat (limited to 'include/part.h')
-rw-r--r--include/part.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/include/part.h b/include/part.h
index 447f69d..a6d06f3 100644
--- a/include/part.h
+++ b/include/part.h
@@ -98,7 +98,7 @@ typedef struct disk_partition {
/* Misc _get_dev functions */
#ifdef CONFIG_PARTITIONS
-block_dev_desc_t* get_dev(char* ifname, int dev);
+block_dev_desc_t *get_dev(const char *ifname, int dev);
block_dev_desc_t* ide_get_dev(int dev);
block_dev_desc_t* sata_get_dev(int dev);
block_dev_desc_t* scsi_get_dev(int dev);
@@ -112,8 +112,12 @@ int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t
void print_part (block_dev_desc_t *dev_desc);
void init_part (block_dev_desc_t *dev_desc);
void dev_print(block_dev_desc_t *dev_desc);
+int get_device_and_partition(const char *ifname, const char *dev_str,
+ block_dev_desc_t **dev_desc,
+ disk_partition_t *info);
#else
-static inline block_dev_desc_t* get_dev(char* ifname, int dev) { return NULL; }
+static inline block_dev_desc_t *get_dev(const char *ifname, int dev)
+{ return NULL; }
static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; }
static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; }
static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; }
@@ -127,6 +131,11 @@ static inline int get_partition_info (block_dev_desc_t * dev_desc, int part,
static inline void print_part (block_dev_desc_t *dev_desc) {}
static inline void init_part (block_dev_desc_t *dev_desc) {}
static inline void dev_print(block_dev_desc_t *dev_desc) {}
+static inline int get_device_and_partition(const char *ifname,
+ const char *dev_str,
+ block_dev_desc_t **dev_desc,
+ disk_partition_t *info)
+{ *dev_desc = NULL; return -1; }
#endif
#ifdef CONFIG_MAC_PARTITION