On Thu, 8 Jan 2026 at 02:38, Varadarajan Narayanan <[email protected]> wrote: > > On Thu, Jan 08, 2026 at 12:19:45PM +0530, Balaji Selvanathan wrote: > > Introduce scsi_get_blk_by_type_guid() function to enable SCSI > > partition discovery using partition type GUID. This function scans > > all available SCSI devices and searches for a partition matching the > > specified type GUID. > > > > Signed-off-by: Balaji Selvanathan <[email protected]> > > --- > > drivers/scsi/scsi-uclass.c | 28 ++++++++++++++++++++++++++++ > > include/scsi.h | 11 +++++++++++ > > 2 files changed, 39 insertions(+) > > > > diff --git a/drivers/scsi/scsi-uclass.c b/drivers/scsi/scsi-uclass.c > > index 3eb6069649f..42a6b5233c2 100644 > > --- a/drivers/scsi/scsi-uclass.c > > +++ b/drivers/scsi/scsi-uclass.c > > @@ -53,6 +53,34 @@ int scsi_get_blk_by_uuid(const char *uuid, > > return -1; > > } > > > > +int scsi_get_blk_by_type_guid(const char *type_guid, > > + 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++) { > > max = blk_find_max_devnum(UCLASS_SCSI) + 1; > for (i = 0; i < max; i++) { > > Else, i believe blk_find_max_devnum() will get invoked multiple times. > > -Varada > > > + ret = blk_get_desc(UCLASS_SCSI, i, &blk); > > + if (ret) > > + continue; > > + > > + ret = part_get_info_by_type_guid(blk, type_guid, > > 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); > > diff --git a/include/scsi.h b/include/scsi.h > > index 8d6c5116419..e0b2f869057 100644 > > --- a/include/scsi.h > > +++ b/include/scsi.h > > @@ -361,6 +361,17 @@ int scsi_scan_dev(struct udevice *dev, bool verbose); > > int scsi_get_blk_by_uuid(const char *uuid, struct blk_desc **blk_desc_ptr, > > struct disk_partition *part_info_ptr); > > > > + > > +/** > > + * scsi_get_blk_by_type_guid() - Provides SCSI partition information by > > type GUID. > > + * > > + * @type_guid: Type GUID of the partition for fetching its > > info > > + * @blk_desc_ptr: Provides the blk descriptor > > + * @part_info_ptr: Provides partition info > > + */ > > +int scsi_get_blk_by_type_guid(const char *type_guid, struct blk_desc > > **blk_desc_ptr, > > + struct disk_partition *part_info_ptr); > > + > > #define SCSI_IDENTIFY 0xC0 /* not > > used */ > > > > /* Hardware errors */ > > -- > > 2.34.1 > >
With the above fixed: Reviewed-by: Simon Glass <[email protected]> Regards, Simon
