IDA_SIMPLE_GET(9) Basic Kernel Library Functions IDA_SIMPLE_GET(9)NAME
ida_simple_get - get a new id.
int ida_simple_get(struct ida * ida, unsigned int start, unsigned int end, gfp_t gfp_mask);
the (initialized) ida.
the minimum id (inclusive, < 0x8000000)
the maximum id (exclusive, < 0x8000000 or 0)
memory allocation flags
Allocates an id in the range start <= id < end, or returns -ENOSPC. On memory allocation failure, returns -ENOMEM.
Use ida_simple_remove to get rid of an id.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 IDA_SIMPLE_GET(9)
Check Out this Related Man Page
IDA(4) BSD Kernel Interfaces Manual IDA(4)NAME
ida -- Compaq Intelligent Drive Array Controllers
To compile this driver into the kernel, place the following lines in your kernel configuration file:
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
The Compaq Intelligent Drive Array (IDA) technology is used to distribute data across an array of hard drives. It unites these hard drives
into one or more high-performance logical drives. The drive array is managed by an array controller.
These controllers have the ability to provide fault tolerance for the connected drives and optionally provide write cache for the logical
drives. It is also possible for an application to access the SCSI bus subsystem directly by using the pass-through interface.
The following controllers are supported by the ida driver:
o Compaq SMART Array 221
o Compaq Integrated SMART Array Controller
o Compaq SMART Array 4200
o Compaq SMART Array 4250ES
o Compaq SMART 3200 Controller
o Compaq SMART 3100ES Controller
o Compaq SMART-2/DH Controller
o Compaq SMART-2/SL Controller
o Compaq SMART-2/P Controller
o Compaq SMART-2/E Controller
o Compaq SMART Controller
Extreme caution should be exercised when using the pass-through interface. It is possible to interfere with normal system I/O and cause
hangs if pass-through is used to an active device. Pass-through should only be used to a device that is otherwise quiescent.
SEE ALSO cam(4), pass(4), xpt(4), camcontrol(8)AUTHORS
The ida driver was written by Jonathan Lemon <jlemon@FreeBSD.org> and Matthew N. Dodd <mdodd@FreeBSD.org>. This manual page was written by
Tom Rhodes <trhodes@FreeBSD.org>.
BSD August 8, 2004 BSD
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