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| author | Alastair D'Silva <alastair@d-silva.org> | 2018-05-11 08:13:03 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-06-03 12:40:33 +0200 |
| commit | 721c551d31fb441ff3be701ad3be14cf6e0aca3f (patch) | |
| tree | 36bf7693a2bcb2094536a5edea957389c0c15125 /Documentation/accelerators | |
| parent | ocxl: Add an IOCTL so userspace knows what OCXL features are available (diff) | |
| download | linux-721c551d31fb441ff3be701ad3be14cf6e0aca3f.tar.xz linux-721c551d31fb441ff3be701ad3be14cf6e0aca3f.zip | |
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>
Diffstat (limited to 'Documentation/accelerators')
| -rw-r--r-- | Documentation/accelerators/ocxl.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/accelerators/ocxl.rst b/Documentation/accelerators/ocxl.rst index ddcc58d01cfb..14cefc020e2d 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 POWER9. + +OCXL_IOCTL_GET_FEATURES: + + Reports on which CPU features that affect OpenCAPI are usable from + userspace. + mmap ---- |