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3 commits

Author SHA1 Message Date
Anastasiia Lukianenko
3a739cc6c9 xen: pvblock: Implement front-back protocol and do IO 
Implement Xen para-virtual frontend to backend communication
and actually read/write disk data.

This is based on mini-os implementation of the para-virtual block
frontend driver.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
 2020-08-14 15:18:30 -04:00
Peng Fan
384d5cfe5d serial: serial_xen: Add Xen PV serial driver 
Add support for Xen para-virtualized serial driver. This
driver fully supports serial console for the virtual machine.

Please note that as the driver is initialized late, so no banner
nor memory size is visible.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
 2020-08-14 15:18:30 -04:00
Oleksandr Andrushchenko
673fd82c50 xen: Port Xen event channel driver from mini-os 
Make required updates to run on u-boot. Strip functionality
not needed by U-boot.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
 2020-08-14 15:18:30 -04:00