features.c

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    1 #include <sys/cdefs.h>
    2 __FBSDID("$FreeBSD$");
    3 
    4 #include <sys/param.h>
    5 #include <sys/systm.h>
    6 
    7 #include <xen/xen-os.h>
    8 #include <xen/hypervisor.h>
    9 #include <xen/features.h>
   10 
   11 uint8_t xen_features[XENFEAT_NR_SUBMAPS * 32] /* __read_mostly */;
   12 
   13 void
   14 setup_xen_features(void)
   15 {
   16         xen_feature_info_t fi;
   17         int i, j;
   18 
   19         for (i = 0; i < XENFEAT_NR_SUBMAPS; i++) {
   20                 fi.submap_idx = i;
   21                 if (HYPERVISOR_xen_version(XENVER_get_features, &fi) < 0)
   22                         break;
   23                 for (j = 0; j < 32; j++)
   24                         xen_features[i*32 + j] = !!(fi.submap & 1<<j);
   25         }
   26 }

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FreeBSD/Linux Kernel Cross Reference sys/xen/features.c

FreeBSD/Linux Kernel Cross Reference
sys/xen/features.c