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 } 49