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Alexander Motin ed9652da5f Add NTB driver for PLX/Avago/Broadcom PCIe switches.
This driver supports both NTB-to-NTB and NTB-to-Root Port modes (though
the second with predictable complications on hot-plug and reboot events).
I tested it with PEX 8717 and PEX 8733 chips, but expect it should work
with many other compatible ones too.  It supports up to two NT bridges
per chip, each of which can have up to 2 64-bit or 4 32-bit memory windows,
6 or 12 scratchpad registers and 16 doorbells.  There are also 4 DMA engines
in those chips, but they are not yet supported.

While there, rename Intel NTB driver from generic ntb_hw(4) to more specific
ntb_hw_intel(4), so now it is on par with this new ntb_hw_plx(4) driver and
alike to Linux naming.

MFC after:	2 weeks
Sponsored by:	iXsystems, Inc.
2017-08-30 21:16:32 +00:00
bin
cddl
contrib
crypto
etc
gnu
include
kerberos5
lib
libexec
release
rescue
sbin
secure
share
sys
targets
tests
tools
usr.bin
usr.sbin
.arcconfig
.arclint
COPYRIGHT
LOCKS
MAINTAINERS
Makefile
Makefile.inc1
Makefile.libcompat
ObsoleteFiles.inc
README
README.md
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