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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 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 11.1 April 2, 2013 FreeBSD 11.1
NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | HISTORY | AUTHORS
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