18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only 28c2ecf20Sopenharmony_ci# 38c2ecf20Sopenharmony_ci# Unisys visorbus configuration 48c2ecf20Sopenharmony_ci# 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ciconfig UNISYS_VISORBUS 78c2ecf20Sopenharmony_ci tristate "Unisys visorbus driver" 88c2ecf20Sopenharmony_ci depends on X86_64 && ACPI 98c2ecf20Sopenharmony_ci help 108c2ecf20Sopenharmony_ci The visorbus driver is a virtualized bus for the Unisys s-Par firmware. 118c2ecf20Sopenharmony_ci Virtualized devices allow Linux guests on a system to share disks and 128c2ecf20Sopenharmony_ci network cards that do not have SR-IOV support, and to be accessed using 138c2ecf20Sopenharmony_ci the partition desktop application. The visorbus driver is required to 148c2ecf20Sopenharmony_ci discover devices on an s-Par guest, and must be present for any other 158c2ecf20Sopenharmony_ci s-Par guest driver to function correctly. 16