Differential D19495 Diff 58265 sys/amd64/vmm/io/vhpet.c

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sys/amd64/vmm/io/vhpet.c

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#include <sys/kernel.h>		#include <sys/kernel.h>
#include <sys/malloc.h>		#include <sys/malloc.h>
#include <sys/systm.h>		#include <sys/systm.h>

#include <dev/acpica/acpi_hpet.h>		#include <dev/acpica/acpi_hpet.h>

#include <machine/vmm.h>		#include <machine/vmm.h>
#include <machine/vmm_dev.h>		#include <machine/vmm_dev.h>
		#include <machine/vmm_snapshot.h>

#include "vmm_lapic.h"		#include "vmm_lapic.h"
#include "vatpic.h"		#include "vatpic.h"
#include "vioapic.h"		#include "vioapic.h"
#include "vhpet.h"		#include "vhpet.h"

#include "vmm_ktr.h"		#include "vmm_ktr.h"

▲ Show 20 Lines • Show All 700 Lines • ▼ Show 20 Lines	vhpet_cleanup(struct vhpet *vhpet)
free(vhpet, M_VHPET);		free(vhpet, M_VHPET);
}		}

int		int
vhpet_getcap(struct vm_hpet_cap *cap)		vhpet_getcap(struct vm_hpet_cap *cap)
{		{

cap->capabilities = vhpet_capabilities();		cap->capabilities = vhpet_capabilities();
		return (0);
		}

		int
		vhpet_snapshot(struct vhpet vhpet, struct vm_snapshot_meta meta)
		{
		int i, ret;
		uint32_t countbase;

		SNAPSHOT_VAR_OR_LEAVE(vhpet->freq_sbt, meta, ret, done);
		SNAPSHOT_VAR_OR_LEAVE(vhpet->config, meta, ret, done);
		SNAPSHOT_VAR_OR_LEAVE(vhpet->isr, meta, ret, done);

		/* at restore time the countbase should have the value it had when the
		* snapshot was created; since the value is not directly kept in
		* vhpet->countbase, but rather computed relative to the current system
		* uptime using countbase_sbt, save the value retured by vhpet_counter
		*/
		if (meta->op == VM_SNAPSHOT_SAVE)
		countbase = vhpet_counter(vhpet, NULL);
		SNAPSHOT_VAR_OR_LEAVE(countbase, meta, ret, done);
		if (meta->op == VM_SNAPSHOT_RESTORE)
		vhpet->countbase = countbase;

		for (i = 0; i < nitems(vhpet->timer); i++) {
		SNAPSHOT_VAR_OR_LEAVE(vhpet->timer[i].cap_config,
		meta, ret, done);
		SNAPSHOT_VAR_OR_LEAVE(vhpet->timer[i].msireg, meta, ret, done);
		SNAPSHOT_VAR_OR_LEAVE(vhpet->timer[i].compval, meta, ret, done);
		SNAPSHOT_VAR_OR_LEAVE(vhpet->timer[i].comprate, meta, ret, done);
		SNAPSHOT_VAR_OR_LEAVE(vhpet->timer[i].callout_sbt,
		meta, ret, done);
		}

		done:
		return (ret);
		}

		int
		vhpet_restore_time(struct vhpet *vhpet)
		{
		if (vhpet_counter_enabled(vhpet))
		vhpet_start_counting(vhpet);

return (0);		return (0);
}		}