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Message-Id: <20180418010810.30937-8-alastair@au1.ibm.com> Date: Wed, 18 Apr 2018 11:08:10 +1000 From: "Alastair D'Silva" <alastair@....ibm.com> To: linuxppc-dev@...ts.ozlabs.org Cc: linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, mikey@...ling.org, vaibhav@...ux.vnet.ibm.com, aneesh.kumar@...ux.vnet.ibm.com, malat@...ian.org, felix@...ux.vnet.ibm.com, pombredanne@...b.com, sukadev@...ux.vnet.ibm.com, npiggin@...il.com, gregkh@...uxfoundation.org, arnd@...db.de, andrew.donnellan@....ibm.com, fbarrat@...ux.vnet.ibm.com, corbet@....net, "Alastair D'Silva" <alastair@...ilva.org> Subject: [PATCH v2 7/7] ocxl: Document new OCXL IOCTLs From: Alastair D'Silva <alastair@...ilva.org> Signed-off-by: Alastair D'Silva <alastair@...ilva.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
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