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[v3,7/7] ocxl: Document new OCXL IOCTLs

Message ID 20180509004212.4506-8-alastair@au1.ibm.com (mailing list archive)
State Not Applicable
Headers show
Series ocxl: Implement Power9 as_notify/wait for OpenCAPI | expand

Commit Message

Alastair D'Silva May 9, 2018, 12:42 a.m. UTC 
From: Alastair D'Silva <alastair@d-silva.org>

Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
---
 Documentation/accelerators/ocxl.rst | 11 +++++++++++
 1 file changed, 11 insertions(+)
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Patch

diff --git a/Documentation/accelerators/ocxl.rst b/Documentation/accelerators/ocxl.rst
index ddcc58d01cfb..14cefc020e2d 100644
--- a/Documentation/accelerators/ocxl.rst
+++ b/Documentation/accelerators/ocxl.rst
@@ -157,6 +157,17 @@  OCXL_IOCTL_GET_METADATA:
   Obtains configuration information from the card, such at the size of
   MMIO areas, the AFU version, and the PASID for the current context.
 
+OCXL_IOCTL_ENABLE_P9_WAIT:
+
+  Allows the AFU to wake a userspace thread executing 'wait'. Returns
+  information to userspace to allow it to configure the AFU. Note that
+  this is only available on POWER9.
+
+OCXL_IOCTL_GET_FEATURES:
+
+  Reports on which CPU features that affect OpenCAPI are usable from
+  userspace.
+
 
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