tree ac3f5ac9d594a4732f19d47a7d8acc07407db260
parent a8c0c69b5e95e8f155480d5203a7bafb8024fd93
author Haren Myneni <haren@linux.ibm.com> 1587114065 -0700
committer Michael Ellerman <mpe@ellerman.id.au> 1587365593 +1000

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