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Technical Reference: Kernel and Subsystems, Volume 2
IOCINFO (Device Information) SSA Disk Device Driver ioctl Operation
Purpose
Returns a structure defined in the /usr/include/sys/devinfo.h file.
Description
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.
Files
/dev/pdisk0, /dev/pdisk1, ..., /dev/pdiskn |
Provide an interface to allow SSA device drivers to access SSA physical disks drives. |
/dev/pdisk0, /dev/pdisk1,..., /dev/pdiskn |
Provide an interface to allow SSA device drivers to access SSA logical disks drives. |
Related Information
The SSA Adapter Device Driver, ssadisk SSA Disk Device Driver, SSA Subsystem Overview.
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