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File: [Development] / linux-2.6-xfs / arch / x86 / xen / suspend.c (download)

Revision 1.1, Fri Oct 3 17:46:45 2008 UTC (9 years ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD

Merge up to 2.6.27-rc8
Merge of 2.6.x-xfs-melb:linux:32254b by kenmcd.

#include <linux/types.h>

#include <xen/interface/xen.h>
#include <xen/grant_table.h>
#include <xen/events.h>

#include <asm/xen/hypercall.h>
#include <asm/xen/page.h>

#include "xen-ops.h"
#include "mmu.h"

void xen_pre_suspend(void)
{
	xen_start_info->store_mfn = mfn_to_pfn(xen_start_info->store_mfn);
	xen_start_info->console.domU.mfn =
		mfn_to_pfn(xen_start_info->console.domU.mfn);

	BUG_ON(!irqs_disabled());

	HYPERVISOR_shared_info = &xen_dummy_shared_info;
	if (HYPERVISOR_update_va_mapping(fix_to_virt(FIX_PARAVIRT_BOOTMAP),
					 __pte_ma(0), 0))
		BUG();
}

void xen_post_suspend(int suspend_cancelled)
{
	xen_setup_shared_info();

	if (suspend_cancelled) {
		xen_start_info->store_mfn =
			pfn_to_mfn(xen_start_info->store_mfn);
		xen_start_info->console.domU.mfn =
			pfn_to_mfn(xen_start_info->console.domU.mfn);
	} else {
#ifdef CONFIG_SMP
		xen_cpu_initialized_map = cpu_online_map;
#endif
		xen_vcpu_restore();
	}

}

void xen_arch_resume(void)
{
	/* nothing */
}