kernel/drivers/xen/gntdev-common.h, branch linux-5.1.yHosts the 0x221E linux distro kernel.https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-5.1.y2018-07-27T03:05:14Zxen/gntdev: Add initial support for dma-buf UAPI2018-07-27T03:05:14ZOleksandr Andrushchenkooleksandr_andrushchenko@epam.com2018-07-20T09:01:48Zurn:sha1:932d6562179efe8e2460a0343dbe0fcacf288a9e
Add UAPI and IOCTLs for dma-buf grant device driver extension:
the extension allows userspace processes and kernel modules to
use Xen backed dma-buf implementation. With this extension grant
references to the pages of an imported dma-buf can be exported
for other domain use and grant references coming from a foreign
domain can be converted into a local dma-buf for local export.
Implement basic initialization and stubs for Xen DMA buffers'
support.
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
xen/gntdev: Make private routines/structures accessible2018-07-27T03:05:14ZOleksandr Andrushchenkooleksandr_andrushchenko@epam.com2018-07-20T09:01:47Zurn:sha1:1d314567553883d9f606cc59e8e66f465a4b6ccd
This is in preparation for adding support of DMA buffer
functionality: make map/unmap related code and structures, used
privately by gntdev, ready for dma-buf extension, which will re-use
these. Rename corresponding structures as those become non-private
to gntdev now.
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>