Commit d0450244 authored by Logan Gunthorpe's avatar Logan Gunthorpe Committed by Jon Mason
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NTB: switchtec_ntb: Update switchtec documentation with notes for NTB

The switchtec_ntb driver has a couple requirements on the switchec's
hardware configuration so we add these notes to the documentation.
Signed-off-by: default avatarLogan Gunthorpe <>
Reviewed-by: default avatarStephen Bates <>
Reviewed-by: default avatarKurt Schwemmer <>
Acked-by: default avatarAllen Hubbe <>
Signed-off-by: default avatarJon Mason <>
parent 87d11e64
......@@ -78,3 +78,15 @@ The following IOCTLs are also supported by the device:
between PCI Function Framework number (used by the event system)
and Switchtec Logic Port ID and Partition number (which is more
user friendly).
Non-Transparent Bridge (NTB) Driver
An NTB driver is provided for the switchtec hardware in switchtec_ntb.
Currently, it only supports switches configured with exactly 2
partitions. It also requires the following configuration settings:
* Both partitions must be able to access each other's GAS spaces.
Thus, the bits in the GAS Access Vector under Management Settings
must be set to support this.
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