Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d0450244 authored by Logan Gunthorpe's avatar Logan Gunthorpe Committed by Jon Mason
Browse files

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 <logang@deltatee.com>
Reviewed-by: default avatarStephen Bates <sbates@raithlin.com>
Reviewed-by: default avatarKurt Schwemmer <kurt.schwemmer@microsemi.com>
Acked-by: default avatarAllen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: default avatarJon Mason <jdmason@kudzu.us>
parent 87d11e64

Documentation/switchtec.txt

+12 −0
Original line number Diff line number Diff line
@@ -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.