NTB: Add parameters for Intel SNB B2B addresses

Add module parameters for the addresses to be used in B2B topology.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>

1 files changed, 10 insertions, 0 deletions

diff --git a/Documentation/ntb.txt b/Documentation/ntb.txt
index 725ba1e6c127..00a3f92832a5 100644
--- a/Documentation/ntb.txt
+++ b/Documentation/ntb.txt
@@ -56,3 +56,13 @@ Module Parameters:
 * b2b\_mw\_share - If the peer ntb is to be accessed via a memory window, and if
         the memory window is large enough, still allow the client to use the
         second half of the memory window for address translation to the peer.
+* snb\_b2b\_usd\_bar2\_addr64 - If using B2B topology on Xeon hardware, use this
+        64 bit address on the bus between the NTB devices for the window at
+        BAR2, on the upstream side of the link.
+* snb\_b2b\_usd\_bar4\_addr64 - See *snb\_b2b\_bar2\_addr64*.
+* snb\_b2b\_usd\_bar4\_addr32 - See *snb\_b2b\_bar2\_addr64*.
+* snb\_b2b\_usd\_bar5\_addr32 - See *snb\_b2b\_bar2\_addr64*.
+* snb\_b2b\_dsd\_bar2\_addr64 - See *snb\_b2b\_bar2\_addr64*.
+* snb\_b2b\_dsd\_bar4\_addr64 - See *snb\_b2b\_bar2\_addr64*.
+* snb\_b2b\_dsd\_bar4\_addr32 - See *snb\_b2b\_bar2\_addr64*.
+* snb\_b2b\_dsd\_bar5\_addr32 - See *snb\_b2b\_bar2\_addr64*.