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ocxl: Document new OCXL IOCTLs 

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>
hifive-unleashed-5.1
Alastair D'Silva 2018-05-11 16:13:03 +10:00 committed by Michael Ellerman
parent 02a8e5bc1c
commit 721c551d31
1 changed files with 11 additions and 0 deletions
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Documentation/accelerators/ocxl.rst
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@ -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
----