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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 Obtains configuration information from the card, such at the size of
MMIO areas, the AFU version, and the PASID for the current context. 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 mmap
---- ----