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NAMEntb —
Non-Transparent Bridge subsystem
SYNOPSISTo compile it into your kernel, place the following lines in your kernel configuration file:device ntb Or, to load it as a module at boot, place the following line in loader.conf(5): ntb_load="YES" The following tunables are settable from the loader(8):
DESCRIPTIONNon-Transparent Bridges connect two computer systems with PCIe link(s), providing each of them limited access to others memory space, scratchpad registers and interrupts. Thentb subsystem uses those
resources provided in generic way by hardware drivers and splits them between
several functions, according to specified configuration.
SEE ALSOif_ntb(4), ntb_hw_amd(4), ntb_hw_intel(4), ntb_hw_plx(4), ntb_transport(4)AUTHORSThentb subsystem was developed by Intel and originally
written by Carl Delsey
<carl@FreeBSD.org>.
Later improvements were done by Conrad E. Meyer
<cem@FreeBSD.org> and
Alexander Motin
<mav@FreeBSD.org>.
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