Differential D19495 Diff 69728 sys/amd64/vmm/io/vioapic.c

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sys/amd64/vmm/io/vioapic.c

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	* SUCH DAMAGE.			* SUCH DAMAGE.
	*			*
	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#include <sys/cdefs.h>			#include <sys/cdefs.h>
	__FBSDID("$FreeBSD$");			__FBSDID("$FreeBSD$");

				#include "opt_bhyve_snapshot.h"

	#include <sys/param.h>			#include <sys/param.h>
	#include <sys/queue.h>			#include <sys/queue.h>
	#include <sys/lock.h>			#include <sys/lock.h>
	#include <sys/mutex.h>			#include <sys/mutex.h>
	#include <sys/systm.h>			#include <sys/systm.h>
	#include <sys/kernel.h>			#include <sys/kernel.h>
	#include <sys/malloc.h>			#include <sys/malloc.h>

	#include <x86/apicreg.h>			#include <x86/apicreg.h>
	#include <machine/vmm.h>			#include <machine/vmm.h>
				#include <machine/vmm_snapshot.h>

	#include "vmm_ktr.h"			#include "vmm_ktr.h"
	#include "vmm_lapic.h"			#include "vmm_lapic.h"
	#include "vlapic.h"			#include "vlapic.h"
	#include "vioapic.h"			#include "vioapic.h"

	#define IOREGSEL 0x00			#define IOREGSEL 0x00
	#define IOWIN 0x10			#define IOWIN 0x10
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	}			}

	int			int
	vioapic_pincount(struct vm *vm)			vioapic_pincount(struct vm *vm)
	{			{

	return (REDIR_ENTRIES);			return (REDIR_ENTRIES);
	}			}

				#ifdef BHYVE_SNAPSHOT
				int
				vioapic_snapshot(struct vioapic vioapic, struct vm_snapshot_meta meta)
				{
				int ret;
				int i;

				SNAPSHOT_VAR_OR_LEAVE(vioapic->ioregsel, meta, ret, done);

				for (i = 0; i < nitems(vioapic->rtbl); i++) {
				SNAPSHOT_VAR_OR_LEAVE(vioapic->rtbl[i].reg, meta, ret, done);
				pmooney_pfmooney.comUnsubmitted Not Done Inline Actions The write operators for these register tables enforce certain invariants about their contents. The restore process likely needs to do the same enforcement. Additionally, I believe this is skipping TMR updates for the CPUs. pmooney_pfmooney.com: The write operators for these register tables enforce certain invariants about their contents.
				darius.mihaim_gmail.comUnsubmitted Done Inline Actions Added this to the analysis document under restore checks with TODO. darius.mihaim_gmail.com: Added this to the analysis document under restore checks with TODO.
				SNAPSHOT_VAR_OR_LEAVE(vioapic->rtbl[i].acnt, meta, ret, done);
				}

				done:
				return (ret);
				}
				#endif