xen: pvblock: Read XenStore configuration and initialize
authorAnastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Thu, 6 Aug 2020 09:42:57 +0000 (12:42 +0300)
committerTom Rini <trini@konsulko.com>
Fri, 14 Aug 2020 19:18:30 +0000 (15:18 -0400)
commit17c96f885134922f660e6c78519a4df73ae3c738
tree4c42184aea82ca1ac248dd90458ca6913a987837
parenta99931319e90229a85e9add500375d0357414cf2
xen: pvblock: Read XenStore configuration and initialize

Read essential virtual block device configuration data from XenStore,
initialize front ring and event channel.
Update block device description with actual block size.

Use code for XenStore from mini-os.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
drivers/xen/pvblock.c