Merge branch 'iommu-fixes-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6] / arch / x86 / xen / suspend.c
1 #include <linux/types.h>
2
3 #include <xen/interface/xen.h>
4 #include <xen/grant_table.h>
5 #include <xen/events.h>
6
7 #include <asm/xen/hypercall.h>
8 #include <asm/xen/page.h>
9
10 #include "xen-ops.h"
11 #include "mmu.h"
12
13 void xen_pre_suspend(void)
14 {
15         xen_start_info->store_mfn = mfn_to_pfn(xen_start_info->store_mfn);
16         xen_start_info->console.domU.mfn =
17                 mfn_to_pfn(xen_start_info->console.domU.mfn);
18
19         BUG_ON(!irqs_disabled());
20
21         HYPERVISOR_shared_info = &xen_dummy_shared_info;
22         if (HYPERVISOR_update_va_mapping(fix_to_virt(FIX_PARAVIRT_BOOTMAP),
23                                          __pte_ma(0), 0))
24                 BUG();
25 }
26
27 void xen_post_suspend(int suspend_cancelled)
28 {
29         xen_setup_shared_info();
30
31         if (suspend_cancelled) {
32                 xen_start_info->store_mfn =
33                         pfn_to_mfn(xen_start_info->store_mfn);
34                 xen_start_info->console.domU.mfn =
35                         pfn_to_mfn(xen_start_info->console.domU.mfn);
36         } else {
37 #ifdef CONFIG_SMP
38                 xen_cpu_initialized_map = cpu_online_map;
39 #endif
40                 xen_vcpu_restore();
41         }
42
43 }
44
45 void xen_arch_resume(void)
46 {
47         /* nothing */
48 }