3a6d1fcf9c
Log:
- merge in latest xenbus from dfr's xenhvm
- fix race condition in xs_read_reply by converting tsleep to mtx_sleep
Log:
unmask evtchn in bind_{virq, ipi}_to_irq
Log:
- remove code for handling case of not being able to sleep
- eliminate tsleep - make sleeps atomic
25 lines
630 B
C
25 lines
630 B
C
#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <machine/xen/xen-os.h>
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#include <xen/hypervisor.h>
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#include <machine/xen/features.h>
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uint8_t xen_features[XENFEAT_NR_SUBMAPS * 32] /* __read_mostly */;
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void
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setup_xen_features(void)
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{
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xen_feature_info_t fi;
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int i, j;
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for (i = 0; i < XENFEAT_NR_SUBMAPS; i++) {
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fi.submap_idx = i;
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if (HYPERVISOR_xen_version(XENVER_get_features, &fi) < 0)
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break;
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for (j = 0; j < 32; j++)
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xen_features[i*32 + j] = !!(fi.submap & 1<<j);
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}
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}
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