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powerpc/vas: Define VAS_TX_WIN_OPEN ioctl API
authorHaren Myneni <haren@linux.ibm.com>
Fri, 17 Apr 2020 09:01:05 +0000 (02:01 -0700)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 20 Apr 2020 06:53:13 +0000 (16:53 +1000)
commit45f25a79fe50f330b563d012fc856a1103cb00d8
treeac3f5ac9d594a4732f19d47a7d8acc07407db260tree | snapshot
parenta8c0c69b5e95e8f155480d5203a7bafb8024fd93commit | diff
powerpc/vas: Define VAS_TX_WIN_OPEN ioctl API

Define the VAS_TX_WIN_OPEN ioctl interface for NX GZIP access
from user space. This interface is used to open GZIP send window and
mmap region which can be used by userspace to send requests to NX
directly with copy/paste instructions.

Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1587114065.2275.1106.camel@hbabu-laptop
Documentation/userspace-api/ioctl/ioctl-number.rst diff | blob | history
arch/powerpc/include/uapi/asm/vas-api.h [new file with mode: 0644] blob