Returns a structure defined in the /usr/include/sys/devinfo.h file.
The IOCINFO operation returns a structure defined in the /usr/include/sys/devinfo.h header file. The caller supplies the address to an area of type struct devinfo in the arg parameter to the IOCINFO operation. The device-type field for this component is DD_SCDISK; the subtype is DS_PV. The information returned includes the block size in bytes and the total number of blocks on the disk drive.
The SSA Adapter Device Driver, ssadisk SSA Disk Device Driver, SSA Subsystem Overview.