[PATCH v2 7/7] ocxl: Document new OCXL IOCTLs

Alastair D'Silva alastair at au1.ibm.com
Wed Apr 18 11:08:10 AEST 2018


From: Alastair D'Silva <alastair at d-silva.org>

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

diff --git a/Documentation/accelerators/ocxl.rst b/Documentation/accelerators/ocxl.rst
index 7904adcc07fd..3b8d3b99795c 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 Power 9.
+
+OCXL_IOCTL_GET_FEATURES:
+
+  Reports on which CPU features that affect OpenCAPI are usable from
+  userspace.
+
 mmap
 ----
 
-- 
2.14.3



More information about the Linuxppc-dev mailing list