xen from Virtualization:openSUSE15.1 project
Select Your Operating System
Add repository and install manually
For openSUSE Leap 15.1 Update run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Virtualization:openSUSE15.1/openSUSE_Leap_15.1_Update/Virtualization:openSUSE15.1.repo zypper refresh zypper install xen
For openSUSE Leap 15.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Virtualization:openSUSE15.1/openSUSE_Leap_15.1/Virtualization:openSUSE15.1.repo zypper refresh zypper install xen