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Current Path : /usr/src/sys/xen/

FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64
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Current File : //usr/src/sys/xen/features.c

#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/xen/features.c 189699 2009-03-11 15:30:12Z dfr $");

#include <sys/param.h>
#include <sys/systm.h>

#include <machine/xen/xen-os.h>
#include <xen/hypervisor.h>
#include <xen/features.h>

uint8_t xen_features[XENFEAT_NR_SUBMAPS * 32] /* __read_mostly */;

void
setup_xen_features(void)
{
        xen_feature_info_t 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);
        }
}

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