CTL(4) 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 supports features such as: * Disk and processor device emulation * Tagged queueing * SCSI task attribute support (ordered, head of queue, simple tags) * SCSI implicit command ordering support. * Full task management support (abort, LUN reset, target reset, etc.) * Support for multiple ports * Support for multiple simultaneous initiators * Support for multiple simultaneous backing stores * Persistent reservation support * Mode sense/select support * Error injection support * All I/O handled in-kernel, no userland context switch overhead SEE ALSO ctladm(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 9.2 April 2, 2013 CTL(4)
Want to link to this manual page? Use this URL:
<https://man.FreeBSD.org/cgi/man.cgi?query=ctl&sektion=4&manpath=FreeBSD+9.2-RELEASE>