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Diffstat (limited to 'arch/x86/include/asm/x86_init.h')
-rw-r--r--arch/x86/include/asm/x86_init.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 6149eabe200f..36698cc9fb44 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -149,12 +149,22 @@ struct x86_init_acpi {
* @enc_status_change_finish Notify HV after the encryption status of a range is changed
* @enc_tlb_flush_required Returns true if a TLB flush is needed before changing page encryption status
* @enc_cache_flush_required Returns true if a cache flush is needed before changing page encryption status
+ * @enc_kexec_begin Begin the two-step process of converting shared memory back
+ * to private. It stops the new conversions from being started
+ * and waits in-flight conversions to finish, if possible.
+ * @enc_kexec_finish Finish the two-step process of converting shared memory to
+ * private. All memory is private after the call when
+ * the function returns.
+ * It is called on only one CPU while the others are shut down
+ * and with interrupts disabled.
*/
struct x86_guest {
- bool (*enc_status_change_prepare)(unsigned long vaddr, int npages, bool enc);
- bool (*enc_status_change_finish)(unsigned long vaddr, int npages, bool enc);
+ int (*enc_status_change_prepare)(unsigned long vaddr, int npages, bool enc);
+ int (*enc_status_change_finish)(unsigned long vaddr, int npages, bool enc);
bool (*enc_tlb_flush_required)(bool enc);
bool (*enc_cache_flush_required)(void);
+ void (*enc_kexec_begin)(void);
+ void (*enc_kexec_finish)(void);
};
/**
@@ -282,6 +292,7 @@ struct x86_hyper_runtime {
* @set_wallclock: set time back to HW clock
* @is_untracked_pat_range exclude from PAT logic
* @nmi_init enable NMI on cpus
+ * @get_nmi_reason get the reason an NMI was received
* @save_sched_clock_state: save state for sched_clock() on suspend
* @restore_sched_clock_state: restore state for sched_clock() on resume
* @apic_post_init: adjust apic if needed