diff options
Diffstat (limited to 'drivers/scsi/scsi-uclass.c')
| -rw-r--r-- | drivers/scsi/scsi-uclass.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/scsi/scsi-uclass.c b/drivers/scsi/scsi-uclass.c index 1ee8236c05c..3eb6069649f 100644 --- a/drivers/scsi/scsi-uclass.c +++ b/drivers/scsi/scsi-uclass.c @@ -10,7 +10,9 @@ #define LOG_CATEGORY UCLASS_SCSI +#include <blk.h> #include <dm.h> +#include <part.h> #include <scsi.h> int scsi_exec(struct udevice *dev, struct scsi_cmd *pccb) @@ -23,6 +25,34 @@ int scsi_exec(struct udevice *dev, struct scsi_cmd *pccb) return ops->exec(dev, pccb); } +int scsi_get_blk_by_uuid(const char *uuid, + struct blk_desc **blk_desc_ptr, + struct disk_partition *part_info_ptr) +{ + static int is_scsi_scanned; + struct blk_desc *blk; + int i, ret; + + if (!is_scsi_scanned) { + scsi_scan(false /* no verbose */); + is_scsi_scanned = 1; + } + + for (i = 0; i < blk_find_max_devnum(UCLASS_SCSI) + 1; i++) { + ret = blk_get_desc(UCLASS_SCSI, i, &blk); + if (ret) + continue; + + ret = part_get_info_by_uuid(blk, uuid, part_info_ptr); + if (ret > 0) { + *blk_desc_ptr = blk; + return 0; + } + } + + return -1; +} + int scsi_bus_reset(struct udevice *dev) { struct scsi_ops *ops = scsi_get_ops(dev); |