CONFIG_S390_UV_UAPI: Ultravisor userspace API

General informations

The Linux kernel configuration item CONFIG_S390_UV_UAPI:

• prompt: Ultravisor userspace API
• type: tristate
• depends on: CONFIG_S390 && ( CONFIG_KVM || CONFIG_PROTECTED_VIRTUALIZATION_GUEST )
• defined in drivers/s390/char/Kconfig
• found in Linux kernels: 5.19, 6.0–6.8, 6.9-rc+HEAD
• modules built: uvdevice

Help text

Selecting exposes parts of the UV interface to userspace by providing a misc character device at /dev/uv. Using IOCTLs one can interact with the UV. The device is only available if the Ultravisor Facility (158) is present.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module uvdevice CONFIG_S390_UV_UAPI : drivers/s390/char/Kconfig : "Ultravisor userspace API" # in 5.19, 6.0–6.8, 6.9-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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