35 	struct gfn_to_pfn_cache *gpc = &kvm->arch.xen.shinfo_cache;  in kvm_xen_shared_info_init()  local
45 		kvm_gpc_deactivate(kvm, gpc);  in kvm_xen_shared_info_init()
50 		ret = kvm_gpc_activate(kvm, gpc, NULL, KVM_HOST_USES_PFN, gpa,  in kvm_xen_shared_info_init()
62 		read_lock_irq(&gpc->lock);  in kvm_xen_shared_info_init()
64 		if (gpc->valid)  in kvm_xen_shared_info_init()
67 		read_unlock_irq(&gpc->lock);  in kvm_xen_shared_info_init()
81 		struct shared_info *shinfo = gpc->khva;  in kvm_xen_shared_info_init()
88 		struct compat_shared_info *shinfo = gpc->khva;  in kvm_xen_shared_info_init()
104 	read_unlock_irq(&gpc->lock);  in kvm_xen_shared_info_init()
204 	struct gfn_to_pfn_cache *gpc = &vx->runstate_cache;  in kvm_xen_update_runstate_guest()  local
220 	read_lock_irqsave(&gpc->lock, flags);  in kvm_xen_update_runstate_guest()
221 	while (!kvm_gfn_to_pfn_cache_check(v->kvm, gpc, gpc->gpa,  in kvm_xen_update_runstate_guest()
223 		read_unlock_irqrestore(&gpc->lock, flags);  in kvm_xen_update_runstate_guest()
229 		if (kvm_gfn_to_pfn_cache_refresh(v->kvm, gpc, gpc->gpa, user_len))  in kvm_xen_update_runstate_guest()
232 		read_lock_irqsave(&gpc->lock, flags);  in kvm_xen_update_runstate_guest()
255 	user_state = gpc->khva;  in kvm_xen_update_runstate_guest()
258 		user_times = gpc->khva + offsetof(struct vcpu_runstate_info,  in kvm_xen_update_runstate_guest()
261 		user_times = gpc->khva + offsetof(struct compat_vcpu_runstate_info,  in kvm_xen_update_runstate_guest()
312 	read_unlock_irqrestore(&gpc->lock, flags);  in kvm_xen_update_runstate_guest()
314 	mark_page_dirty_in_slot(v->kvm, gpc->memslot, gpc->gpa >> PAGE_SHIFT);  in kvm_xen_update_runstate_guest()
343 	struct gfn_to_pfn_cache *gpc = &v->arch.xen.vcpu_info_cache;  in kvm_xen_inject_pending_events()  local
354 	read_lock_irqsave(&gpc->lock, flags);  in kvm_xen_inject_pending_events()
355 	while (!kvm_gfn_to_pfn_cache_check(v->kvm, gpc, gpc->gpa,  in kvm_xen_inject_pending_events()
357 		read_unlock_irqrestore(&gpc->lock, flags);  in kvm_xen_inject_pending_events()
359 		if (kvm_gfn_to_pfn_cache_refresh(v->kvm, gpc, gpc->gpa,  in kvm_xen_inject_pending_events()
363 		read_lock_irqsave(&gpc->lock, flags);  in kvm_xen_inject_pending_events()
366 	/* Now gpc->khva is a valid kernel address for the vcpu_info */  in kvm_xen_inject_pending_events()
368 		struct vcpu_info *vi = gpc->khva;  in kvm_xen_inject_pending_events()
380 		struct compat_vcpu_info *vi = gpc->khva;  in kvm_xen_inject_pending_events()
391 	read_unlock_irqrestore(&gpc->lock, flags);  in kvm_xen_inject_pending_events()
397 	mark_page_dirty_in_slot(v->kvm, gpc->memslot, gpc->gpa >> PAGE_SHIFT);  in kvm_xen_inject_pending_events()
402 	struct gfn_to_pfn_cache *gpc = &v->arch.xen.vcpu_info_cache;  in __kvm_xen_has_interrupt()  local
419 	read_lock_irqsave(&gpc->lock, flags);  in __kvm_xen_has_interrupt()
420 	while (!kvm_gfn_to_pfn_cache_check(v->kvm, gpc, gpc->gpa,  in __kvm_xen_has_interrupt()
422 		read_unlock_irqrestore(&gpc->lock, flags);  in __kvm_xen_has_interrupt()
435 		if (kvm_gfn_to_pfn_cache_refresh(v->kvm, gpc, gpc->gpa,  in __kvm_xen_has_interrupt()
443 		read_lock_irqsave(&gpc->lock, flags);  in __kvm_xen_has_interrupt()
446 	rc = ((struct vcpu_info *)gpc->khva)->evtchn_upcall_pending;  in __kvm_xen_has_interrupt()
447 	read_unlock_irqrestore(&gpc->lock, flags);  in __kvm_xen_has_interrupt()
969 	struct gfn_to_pfn_cache *gpc = &kvm->arch.xen.shinfo_cache;  in wait_pending_event()  local
975 	read_lock_irqsave(&gpc->lock, flags);  in wait_pending_event()
977 	if (!kvm_gfn_to_pfn_cache_check(kvm, gpc, gpc->gpa, PAGE_SIZE))  in wait_pending_event()
982 		struct shared_info *shinfo = gpc->khva;  in wait_pending_event()
985 		struct compat_shared_info *shinfo = gpc->khva;  in wait_pending_event()
998 	read_unlock_irqrestore(&gpc->lock, flags);  in wait_pending_event()
1345 	struct gfn_to_pfn_cache *gpc = &kvm->arch.xen.shinfo_cache;  in kvm_xen_set_evtchn_fast()  local
1373 	read_lock_irqsave(&gpc->lock, flags);  in kvm_xen_set_evtchn_fast()
1374 	if (!kvm_gfn_to_pfn_cache_check(kvm, gpc, gpc->gpa, PAGE_SIZE))  in kvm_xen_set_evtchn_fast()
1378 		struct shared_info *shinfo = gpc->khva;  in kvm_xen_set_evtchn_fast()
1383 		struct compat_shared_info *shinfo = gpc->khva;  in kvm_xen_set_evtchn_fast()
1404 		read_unlock_irqrestore(&gpc->lock, flags);  in kvm_xen_set_evtchn_fast()
1405 		gpc = &vcpu->arch.xen.vcpu_info_cache;  in kvm_xen_set_evtchn_fast()
1407 		read_lock_irqsave(&gpc->lock, flags);  in kvm_xen_set_evtchn_fast()
1408 		if (!kvm_gfn_to_pfn_cache_check(kvm, gpc, gpc->gpa, sizeof(struct vcpu_info))) {  in kvm_xen_set_evtchn_fast()
1419 			struct vcpu_info *vcpu_info = gpc->khva;  in kvm_xen_set_evtchn_fast()
1425 			struct compat_vcpu_info *vcpu_info = gpc->khva;  in kvm_xen_set_evtchn_fast()
1441 	read_unlock_irqrestore(&gpc->lock, flags);  in kvm_xen_set_evtchn_fast()
1498 		struct gfn_to_pfn_cache *gpc = &kvm->arch.xen.shinfo_cache;  in kvm_xen_set_evtchn()  local
1506 		rc = kvm_gfn_to_pfn_cache_refresh(kvm, gpc, gpc->gpa, PAGE_SIZE);  in kvm_xen_set_evtchn()