Skip site navigation (1)Skip section navigation (2)

FreeBSD Man Pages

Man Page or Keyword Search:
Man Architecture
Apropos Keyword Search (all sections) Output format
home | help
CTL(4)		       FreeBSD Kernel Interfaces Manual			CTL(4)

NAME
     ctl -- CAM	Target Layer

SYNOPSIS
     To	compile	this driver into the kernel, place the following line in your
     kernel configuration file:

	   device ctl

     Alternatively, to load the	driver as a module at boot time, place the
     following line in loader.conf(5):

	   ctl_load="YES"

DESCRIPTION
     The ctl subsystem provides	SCSI disk and processor	emulation.  It sup-
     ports features such as:

     +o	 Disk and processor device emulation
     +o	 Tagged	queueing
     +o	 SCSI task attribute support (ordered, head of queue, simple tags)
     +o	 SCSI implicit command ordering	support.
     +o	 Full task management support (abort, LUN reset, target	reset, etc.)
     +o	 Support for multiple ports
     +o	 Support for multiple simultaneous initiators
     +o	 Support for multiple simultaneous backing stores
     +o	 Persistent reservation	support
     +o	 Mode sense/select support
     +o	 Error injection support
     +o	 All I/O handled in-kernel, no userland	context	switch overhead

     It	also serves as a kernel	component of the native	iSCSI target.

SEE ALSO
     ctladm(8),	ctld(8), ctlstat(8)

HISTORY
     The ctl subsystem first appeared in FreeBSD 9.1.

AUTHORS
     The ctl subsystem was written by Kenneth Merry <ken@FreeBSD.org>.

FreeBSD	9.3			 April 2, 2013			   FreeBSD 9.3

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | HISTORY | AUTHORS

Want to link to this manual page? Use this URL:
<http://www.freebsd.org/cgi/man.cgi?query=ctl&sektion=4&manpath=FreeBSD+10.0-RELEASE>

home | help