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powerpc/vas: Define VAS_TX_WIN_OPEN ioctl API

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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
This commit is contained in:
Haren Myneni
2020-04-17 02:01:05 -07:00
committed by Michael Ellerman
parent a8c0c69b5e
commit 45f25a79fe
2 changed files with 23 additions and 0 deletions
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Documentation/userspace-api/ioctl/ioctl-number.rst
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@@ -286,6 +286,7 @@ Code Seq# Include File Comments
'v' 00-1F linux/fs.h conflict!
'v' 00-0F linux/sonypi.h conflict!
'v' 00-0F media/v4l2-subdev.h conflict!
'v' 20-27 arch/powerpc/include/uapi/asm/vas-api.h VAS API
'v' C0-FF linux/meye.h conflict!
'w' all CERN SCI driver
'y' 00-1F packet based user level communications