Iocinfo (Device Information) Ssa Disk Device Driver Ioctl Operation; Purpose; Description; Files - IBM Advanced SerialRAID Adapters SA33-3285-02 User Manual

IOCINFO (Device Information) SSA Disk Device Driver ioctl Operation

Purpose

To return a structure that is defined in the /usr/include/sys/devinfo.h file.

Description

The IOCINFO operation returns a structure that is defined in the
/usr/include/sys/devinfo.h header file. The caller supplies the address to an area of
type
field for this component is DD_SCDISK; the
returned includes the block size in bytes and the total number of blocks on the disk
drive.

Files

/dev/pdisk0, /dev/pdisk1, ..., /dev/pdiskn
/dev/pdisk0, /dev/pdisk1,..., /dev/pdiskn
in the arg parameter to the IOCINFO operation. The
Provide an interface that allows SSA device drivers to have access to SSA
physical disk drives.
Provide an interface that allows SSA device drivers to have access to SSA
logical disk drives.
is DS_PV. The information that is
Chapter 13. Using the Programming Interface
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