NTB: Add parameters for Intel SNB B2B addresses

[linux-beck.git] / Documentation / ntb.txt

diff --git a/Documentation/ntb.txt b/Documentation/ntb.txt
index 725ba1e6c1272cc60b431c6718fc91eaf0c59c2b..00a3f92832a510103e9e879c34306c7da0db1414 100644 (file)
--- 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*.