Xen version queries

Query the Xen hypervisor version exposed to the current domain. More...

Files
file	version.h
	Xen version queries.

Functions
int	xen_version (void)
	Get the Xen version encoded as major and minor numbers.
int	xen_version_extraversion (char *extra, int len)
	Get the Xen extra version string.

Detailed Description

Query the Xen hypervisor version exposed to the current domain.

Function Documentation

xen_version()

int xen_version

(

void

)

#include <zephyr/xen/version.h>

Get the Xen version encoded as major and minor numbers.

The returned integer uses the Xen major:minor encoding defined by XENVER_version.

Returns

Encoded Xen version on success, negative errno value on failure.

xen_version_extraversion()

int xen_version_extraversion	(	char *	extra,
		int	len )

#include <zephyr/xen/version.h>

Get the Xen extra version string.

The destination buffer is cleared before the hypercall runs.

Parameters

[out]	extra	Destination buffer for the extra version string.
	len	Size of extra in bytes. It must be at least XEN_EXTRAVERSION_LEN.

Returns

0 on success, negative errno value on failure.

Return values

-EINVAL

extra is NULL or len is too small.