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/******************************************************************************
* version.h
*
* Xen version, type, and compile information.
*
* Copyright (c) 2005, Nguyen Anh Quynh <aquynh@gmail.com>
* Copyright (c) 2005, Keir Fraser <keir@xensource.com>
*/
#ifndef __XEN_PUBLIC_VERSION_H__
#define __XEN_PUBLIC_VERSION_H__
/* NB. All ops return zero on success, except XENVER_version. */
/* arg == NULL; returns major:minor (16:16). */
#define XENVER_version 0
/* arg == xen_extraversion_t. */
#define XENVER_extraversion 1
struct xen_extraversion {
char extraversion[16];
};
#define XEN_EXTRAVERSION_LEN (sizeof(struct xen_extraversion))
/* arg == xen_compile_info_t. */
#define XENVER_compile_info 2
struct xen_compile_info {
char compiler[64];
char compile_by[16];
char compile_domain[32];
char compile_date[32];
};
#define XENVER_capabilities 3
struct xen_capabilities_info {
char info[1024];
};
#define XEN_CAPABILITIES_INFO_LEN (sizeof(struct xen_capabilities_info))
#define XENVER_changeset 4
struct xen_changeset_info {
char info[64];
};
#define XEN_CHANGESET_INFO_LEN (sizeof(struct xen_changeset_info))
#define XENVER_platform_parameters 5
struct xen_platform_parameters {
xen_ulong_t virt_start;
};
#define XENVER_get_features 6
struct xen_feature_info {
unsigned int submap_idx; /* IN: which 32-bit submap to return */
uint32_t submap; /* OUT: 32-bit submap */
};
/* Declares the features reported by XENVER_get_features. */
#include <xen/interface/features.h>
/* arg == NULL; returns host memory page size. */
#define XENVER_pagesize 7
/* arg == xen_domain_handle_t. */
#define XENVER_guest_handle 8
/* Declares the xen_domain() macros. */
#include <xen/xen.h>
/* Check if running on Xen version (major, minor) or later */
static inline bool
xen_running_on_version_or_later(unsigned int major, unsigned int minor)
{
unsigned int version;
if (!xen_domain())
return false;
version = HYPERVISOR_xen_version(XENVER_version, NULL);
if ((((version >> 16) == major) && ((version & 0xffff) >= minor)) ||
((version >> 16) > major))
return true;
return false;
}
#endif /* __XEN_PUBLIC_VERSION_H__ */
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