ocxl: Document new OCXL IOCTLs
authorAlastair D'Silva <alastair@d-silva.org>
Fri, 11 May 2018 06:13:03 +0000 (16:13 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Sun, 3 Jun 2018 10:40:33 +0000 (20:40 +1000)
Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Documentation/accelerators/ocxl.rst

index ddcc58d01cfbce99a2da80a91101213203b83e82..14cefc020e2d5e3ffb16e5774bf58c7191b3ea13 100644 (file)
@@ -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.
+
 
 mmap
 ----