5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/types.h>
|
|
|
|
#include <asm/xen/hypercall.h>
|
|
#include <asm/xen/page.h>
|
|
|
|
#include <asm/fixmap.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();
|
|
}
|