mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 13:43:55 +08:00
ecbf29cdb3
Impact: cleanup hypervisor.h had accumulated a lot of crud, including lots of spurious #includes. Clean it all up, and go around fixing up everything else accordingly. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
34 lines
762 B
C
34 lines
762 B
C
/******************************************************************************
|
|
* features.c
|
|
*
|
|
* Xen feature flags.
|
|
*
|
|
* Copyright (c) 2006, Ian Campbell, XenSource Inc.
|
|
*/
|
|
#include <linux/types.h>
|
|
#include <linux/cache.h>
|
|
#include <linux/module.h>
|
|
|
|
#include <asm/xen/hypercall.h>
|
|
|
|
#include <xen/interface/xen.h>
|
|
#include <xen/interface/version.h>
|
|
#include <xen/features.h>
|
|
|
|
u8 xen_features[XENFEAT_NR_SUBMAPS * 32] __read_mostly;
|
|
EXPORT_SYMBOL_GPL(xen_features);
|
|
|
|
void xen_setup_features(void)
|
|
{
|
|
struct xen_feature_info fi;
|
|
int i, j;
|
|
|
|
for (i = 0; i < XENFEAT_NR_SUBMAPS; i++) {
|
|
fi.submap_idx = i;
|
|
if (HYPERVISOR_xen_version(XENVER_get_features, &fi) < 0)
|
|
break;
|
|
for (j = 0; j < 32; j++)
|
|
xen_features[i * 32 + j] = !!(fi.submap & 1<<j);
|
|
}
|
|
}
|