(grub_scsi_read_capacity10): ... this.
(grub_scsi_read_capacity16): New function.
(grub_scsi_open): Use read_capacity16 if read_capacity10 returned
0xffffffff.
Fix off-by-one error.
* include/grub/scsi.h (grub_scsi): Rename size to last_block and make it
64-bit unsigned.
* include/grub/scsicmd.h (grub_scsi_read_capacity): Rename to ...
(grub_scsi_read_capacity10): ... this.
(grub_scsi_read_capacity_data): Rename to ...
(grub_scsi_read_capacity10_data): ... this. Rename size to last_block.
(grub_scsi_read_capacity16): New struct.
(grub_scsi_read_capacity16_data): Likewise.
(grub_scsi_cmd_t): Rename grub_scsi_cmd_read_capacity to
grub_scsi_cmd_read_capacity10.
New command grub_scsi_cmd_read_capacity16.