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48 lines
1.1 KiB
48 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
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#include <linux/types.h> |
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#include <asm/xen/hypercall.h> |
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#include <asm/xen/page.h> |
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#include <asm/fixmap.h> |
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#include "xen-ops.h" |
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void xen_pv_pre_suspend(void) |
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{ |
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xen_mm_pin_all(); |
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xen_start_info->store_mfn = mfn_to_pfn(xen_start_info->store_mfn); |
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xen_start_info->console.domU.mfn = |
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mfn_to_pfn(xen_start_info->console.domU.mfn); |
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BUG_ON(!irqs_disabled()); |
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HYPERVISOR_shared_info = &xen_dummy_shared_info; |
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if (HYPERVISOR_update_va_mapping(fix_to_virt(FIX_PARAVIRT_BOOTMAP), |
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__pte_ma(0), 0)) |
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BUG(); |
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} |
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void xen_pv_post_suspend(int suspend_cancelled) |
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{ |
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xen_build_mfn_list_list(); |
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set_fixmap(FIX_PARAVIRT_BOOTMAP, xen_start_info->shared_info); |
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HYPERVISOR_shared_info = (void *)fix_to_virt(FIX_PARAVIRT_BOOTMAP); |
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xen_setup_mfn_list_list(); |
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if (suspend_cancelled) { |
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xen_start_info->store_mfn = |
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pfn_to_mfn(xen_start_info->store_mfn); |
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xen_start_info->console.domU.mfn = |
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pfn_to_mfn(xen_start_info->console.domU.mfn); |
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} else { |
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#ifdef CONFIG_SMP |
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BUG_ON(xen_cpu_initialized_map == NULL); |
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cpumask_copy(xen_cpu_initialized_map, cpu_online_mask); |
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#endif |
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xen_vcpu_restore(); |
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} |
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xen_mm_unpin_all(); |
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}
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