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| author | carl <carl@FreeBSD.org> | 2013-04-29 22:48:53 +0000 |
|---|---|---|
| committer | carl <carl@FreeBSD.org> | 2013-04-29 22:48:53 +0000 |
| commit | 542feb6d728678f9a7f9437f0323a9bcfbaf7192 (patch) | |
| tree | 3b196f716100f9db59d3db91e466f414c5f4a9ec /sys/amd64/conf | |
| parent | 1d1f55566570c678bf9f58dfb1a42f8a3e4bfb68 (diff) | |
| download | FreeBSD-src-542feb6d728678f9a7f9437f0323a9bcfbaf7192.zip FreeBSD-src-542feb6d728678f9a7f9437f0323a9bcfbaf7192.tar.gz | |
Add a new driver to support the Intel Non-Transparent Bridge(NTB).
The NTB allows you to connect two systems with this device using a PCI-e
link. The driver is made of two modules:
- ntb_hw which is a basic hardware abstraction layer for the device.
- if_ntb which implements the ntb network device and the communication
protocol.
The driver is limited at the moment to CPU memcpy instead of using DMA, and
only Back-to-Back mode is supported. Also the network device isn't full
featured yet. These changes will be coming soon. The DMA change will also
bring in the ioat driver from the project branch it is on now.
This is an initial port of the GPL/BSD Linux driver contributed by Jon Mason
from Intel. Any bugs are my contributions.
Sponsored by: Intel
Reviewed by: jimharris, joel (man page only)
Approved by: jimharris (mentor)
Diffstat (limited to 'sys/amd64/conf')
| -rw-r--r-- | sys/amd64/conf/NOTES | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/amd64/conf/NOTES b/sys/amd64/conf/NOTES index 7a41464..5689ed3 100644 --- a/sys/amd64/conf/NOTES +++ b/sys/amd64/conf/NOTES @@ -366,6 +366,10 @@ device iwn6000fw device iwn6050fw device wpifw +# Intel Non-Transparent Bridge (NTB) hardware +device ntb_hw # Hardware Abstraction Layer for the NTB +device if_ntb # Simulated ethernet device using the NTB + # #XXX this stores pointers in a 32bit field that is defined by the hardware #device pst |
