// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include <asm/fixmap.h> #include <asm/xen/hypercall.h> #include <asm/xen/page.h> #include "xen-ops.h" void xen_pv_pre_suspend(void) { xen_mm_pin_all(); 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_pv_post_suspend(int suspend_cancelled) { xen_build_mfn_list_list(); set_fixmap(FIX_PARAVIRT_BOOTMAP, xen_start_info->shared_info); HYPERVISOR_shared_info = (void *)fix_to_virt(FIX_PARAVIRT_BOOTMAP); xen_setup_mfn_list_list(); 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 BUG_ON(xen_cpu_initialized_map == NULL); cpumask_copy(xen_cpu_initialized_map, cpu_online_mask); #endif xen_vcpu_restore(); } xen_mm_unpin_all(); }