ocxl: Add get_metadata IOCTL to share OCXL information to userspace

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Some required information is not exposed to userspace currently (eg. the
PASID), pass this information back, along with other information which
is currently communicated via sysfs, which saves some parsing effort in
userspace.

Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Alastair D'Silva 2018-02-22 15:17:38 +11:00 • committed by Michael Ellerman

parent cd4a6f3ab4

commit 07c5ccd70a

2 changed files with 44 additions and 0 deletions

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27

drivers/misc/ocxl/file.c

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