1 #include <linux/types.h>
2 #include <linux/tick.h>
5 #include <xen/interface/xen.h>
6 #include <xen/grant_table.h>
7 #include <xen/events.h>
9 #include <asm/xen/hypercall.h>
10 #include <asm/xen/page.h>
11 #include <asm/fixmap.h>
17 static void xen_pv_pre_suspend(void)
21 xen_start_info->store_mfn = mfn_to_pfn(xen_start_info->store_mfn);
22 xen_start_info->console.domU.mfn =
23 mfn_to_pfn(xen_start_info->console.domU.mfn);
25 BUG_ON(!irqs_disabled());
27 HYPERVISOR_shared_info = &xen_dummy_shared_info;
28 if (HYPERVISOR_update_va_mapping(fix_to_virt(FIX_PARAVIRT_BOOTMAP),
33 static void xen_hvm_post_suspend(int suspend_cancelled)
35 #ifdef CONFIG_XEN_PVHVM
37 xen_hvm_init_shared_info();
38 xen_callback_vector();
39 xen_unplug_emulated_devices();
40 if (xen_feature(XENFEAT_hvm_safe_pvclock)) {
41 for_each_online_cpu(cpu) {
42 xen_setup_runstate_info(cpu);
48 static void xen_pv_post_suspend(int suspend_cancelled)
50 xen_build_mfn_list_list();
52 xen_setup_shared_info();
54 if (suspend_cancelled) {
55 xen_start_info->store_mfn =
56 pfn_to_mfn(xen_start_info->store_mfn);
57 xen_start_info->console.domU.mfn =
58 pfn_to_mfn(xen_start_info->console.domU.mfn);
61 BUG_ON(xen_cpu_initialized_map == NULL);
62 cpumask_copy(xen_cpu_initialized_map, cpu_online_mask);
70 void xen_arch_pre_suspend(void)
76 void xen_arch_post_suspend(int cancelled)
79 xen_pv_post_suspend(cancelled);
81 xen_hvm_post_suspend(cancelled);
84 static void xen_vcpu_notify_restore(void *data)
86 /* Boot processor notified via generic timekeeping_resume() */
87 if (smp_processor_id() == 0)
93 static void xen_vcpu_notify_suspend(void *data)
98 void xen_arch_resume(void)
102 on_each_cpu(xen_vcpu_notify_restore, NULL, 1);
104 for_each_online_cpu(cpu)
108 void xen_arch_suspend(void)
112 for_each_online_cpu(cpu)
115 on_each_cpu(xen_vcpu_notify_suspend, NULL, 1);