47 static void vbg_guest_mappings_init(struct vbg_dev *gdev)  in vbg_guest_mappings_init()  argument
63 	rc = vbg_req_perform(gdev, req);  in vbg_guest_mappings_init()
82 	gdev->guest_mappings_dummy_page = alloc_page(GFP_HIGHUSER);  in vbg_guest_mappings_init()
83 	if (!gdev->guest_mappings_dummy_page)  in vbg_guest_mappings_init()
87 		pages[i] = gdev->guest_mappings_dummy_page;  in vbg_guest_mappings_init()
105 		rc = vbg_req_perform(gdev, req);  in vbg_guest_mappings_init()
107 			gdev->guest_mappings = guest_mappings[i];  in vbg_guest_mappings_init()
117 	if (!gdev->guest_mappings) {  in vbg_guest_mappings_init()
118 		__free_page(gdev->guest_mappings_dummy_page);  in vbg_guest_mappings_init()
119 		gdev->guest_mappings_dummy_page = NULL;  in vbg_guest_mappings_init()
132 static void vbg_guest_mappings_exit(struct vbg_dev *gdev)  in vbg_guest_mappings_exit()  argument
137 	if (!gdev->guest_mappings)  in vbg_guest_mappings_exit()
152 	rc = vbg_req_perform(gdev, req);  in vbg_guest_mappings_exit()
161 	vunmap(gdev->guest_mappings);  in vbg_guest_mappings_exit()
162 	gdev->guest_mappings = NULL;  in vbg_guest_mappings_exit()
164 	__free_page(gdev->guest_mappings_dummy_page);  in vbg_guest_mappings_exit()
165 	gdev->guest_mappings_dummy_page = NULL;  in vbg_guest_mappings_exit()
173 static int vbg_report_guest_info(struct vbg_dev *gdev)  in vbg_report_guest_info()  argument
212 	rc = vbg_req_perform(gdev, req2);  in vbg_report_guest_info()
214 		rc = vbg_req_perform(gdev, req1);  in vbg_report_guest_info()
216 		rc = vbg_req_perform(gdev, req1);  in vbg_report_guest_info()
218 			rc = vbg_req_perform(gdev, req2);  in vbg_report_guest_info()
237 static int vbg_report_driver_status(struct vbg_dev *gdev, bool active)  in vbg_report_driver_status()  argument
254 	rc = vbg_req_perform(gdev, req);  in vbg_report_driver_status()
269 static int vbg_balloon_inflate(struct vbg_dev *gdev, u32 chunk_idx)  in vbg_balloon_inflate()  argument
271 	struct vmmdev_memballoon_change *req = gdev->mem_balloon.change_req;  in vbg_balloon_inflate()
295 	rc = vbg_req_perform(gdev, req);  in vbg_balloon_inflate()
302 	gdev->mem_balloon.pages[chunk_idx] = pages;  in vbg_balloon_inflate()
320 static int vbg_balloon_deflate(struct vbg_dev *gdev, u32 chunk_idx)  in vbg_balloon_deflate()  argument
322 	struct vmmdev_memballoon_change *req = gdev->mem_balloon.change_req;  in vbg_balloon_deflate()
323 	struct page **pages = gdev->mem_balloon.pages[chunk_idx];  in vbg_balloon_deflate()
333 	rc = vbg_req_perform(gdev, req);  in vbg_balloon_deflate()
342 	gdev->mem_balloon.pages[chunk_idx] = NULL;  in vbg_balloon_deflate()
353 	struct vbg_dev *gdev =  in vbg_balloon_work()  local
355 	struct vmmdev_memballoon_info *req = gdev->mem_balloon.get_req;  in vbg_balloon_work()
364 	rc = vbg_req_perform(gdev, req);  in vbg_balloon_work()
374 	if (!gdev->mem_balloon.max_chunks) {  in vbg_balloon_work()
375 		gdev->mem_balloon.pages =  in vbg_balloon_work()
376 			devm_kcalloc(gdev->dev, req->phys_mem_chunks,  in vbg_balloon_work()
378 		if (!gdev->mem_balloon.pages)  in vbg_balloon_work()
381 		gdev->mem_balloon.max_chunks = req->phys_mem_chunks;  in vbg_balloon_work()
385 	if (chunks > gdev->mem_balloon.max_chunks) {  in vbg_balloon_work()
387 			__func__, chunks, gdev->mem_balloon.max_chunks);  in vbg_balloon_work()
391 	if (chunks > gdev->mem_balloon.chunks) {  in vbg_balloon_work()
393 		for (i = gdev->mem_balloon.chunks; i < chunks; i++) {  in vbg_balloon_work()
394 			ret = vbg_balloon_inflate(gdev, i);  in vbg_balloon_work()
398 			gdev->mem_balloon.chunks++;  in vbg_balloon_work()
402 		for (i = gdev->mem_balloon.chunks; i-- > chunks;) {  in vbg_balloon_work()
403 			ret = vbg_balloon_deflate(gdev, i);  in vbg_balloon_work()
407 			gdev->mem_balloon.chunks--;  in vbg_balloon_work()
417 	struct vbg_dev *gdev = from_timer(gdev, t, heartbeat_timer);  in vbg_heartbeat_timer()  local
419 	vbg_req_perform(gdev, gdev->guest_heartbeat_req);  in vbg_heartbeat_timer()
420 	mod_timer(&gdev->heartbeat_timer,  in vbg_heartbeat_timer()
421 		  msecs_to_jiffies(gdev->heartbeat_interval_ms));  in vbg_heartbeat_timer()
431 static int vbg_heartbeat_host_config(struct vbg_dev *gdev, bool enabled)  in vbg_heartbeat_host_config()  argument
443 	rc = vbg_req_perform(gdev, req);  in vbg_heartbeat_host_config()
445 	gdev->heartbeat_interval_ms = req->interval_ns;  in vbg_heartbeat_host_config()
456 static int vbg_heartbeat_init(struct vbg_dev *gdev)  in vbg_heartbeat_init()  argument
461 	ret = vbg_heartbeat_host_config(gdev, false);  in vbg_heartbeat_init()
465 	ret = vbg_heartbeat_host_config(gdev, true);  in vbg_heartbeat_init()
469 	gdev->guest_heartbeat_req = vbg_req_alloc(  in vbg_heartbeat_init()
470 					sizeof(*gdev->guest_heartbeat_req),  in vbg_heartbeat_init()
473 	if (!gdev->guest_heartbeat_req)  in vbg_heartbeat_init()
477 		 __func__, gdev->heartbeat_interval_ms);  in vbg_heartbeat_init()
478 	mod_timer(&gdev->heartbeat_timer, 0);  in vbg_heartbeat_init()
487 static void vbg_heartbeat_exit(struct vbg_dev *gdev)  in vbg_heartbeat_exit()  argument
489 	del_timer_sync(&gdev->heartbeat_timer);  in vbg_heartbeat_exit()
490 	vbg_heartbeat_host_config(gdev, false);  in vbg_heartbeat_exit()
491 	vbg_req_free(gdev->guest_heartbeat_req,  in vbg_heartbeat_exit()
492 		     sizeof(*gdev->guest_heartbeat_req));  in vbg_heartbeat_exit()
537 static int vbg_reset_host_event_filter(struct vbg_dev *gdev,  in vbg_reset_host_event_filter()  argument
550 	rc = vbg_req_perform(gdev, req);  in vbg_reset_host_event_filter()
574 static int vbg_set_session_event_filter(struct vbg_dev *gdev,  in vbg_set_session_event_filter()  argument
597 	mutex_lock(&gdev->session_mutex);  in vbg_set_session_event_filter()
609 	vbg_track_bit_usage(&gdev->event_filter_tracker, changed, previous);  in vbg_set_session_event_filter()
610 	or_mask = gdev->fixed_events | gdev->event_filter_tracker.mask;  in vbg_set_session_event_filter()
612 	if (gdev->event_filter_host == or_mask || !req)  in vbg_set_session_event_filter()
615 	gdev->event_filter_host = or_mask;  in vbg_set_session_event_filter()
618 	rc = vbg_req_perform(gdev, req);  in vbg_set_session_event_filter()
623 		gdev->event_filter_host = U32_MAX;  in vbg_set_session_event_filter()
627 		vbg_track_bit_usage(&gdev->event_filter_tracker, changed,  in vbg_set_session_event_filter()
633 	mutex_unlock(&gdev->session_mutex);  in vbg_set_session_event_filter()
644 static int vbg_reset_host_capabilities(struct vbg_dev *gdev)  in vbg_reset_host_capabilities()  argument
656 	rc = vbg_req_perform(gdev, req);  in vbg_reset_host_capabilities()
672 static int vbg_set_host_capabilities(struct vbg_dev *gdev,  in vbg_set_host_capabilities()  argument
680 	WARN_ON(!mutex_is_locked(&gdev->session_mutex));  in vbg_set_host_capabilities()
682 	caps = gdev->acquired_guest_caps | gdev->set_guest_caps_tracker.mask;  in vbg_set_host_capabilities()
684 	if (gdev->guest_caps_host == caps)  in vbg_set_host_capabilities()
692 		gdev->guest_caps_host = U32_MAX;  in vbg_set_host_capabilities()
698 	rc = vbg_req_perform(gdev, req);  in vbg_set_host_capabilities()
701 	gdev->guest_caps_host = (rc >= 0) ? caps : U32_MAX;  in vbg_set_host_capabilities()
720 static int vbg_acquire_session_capabilities(struct vbg_dev *gdev,  in vbg_acquire_session_capabilities()  argument
729 	mutex_lock(&gdev->session_mutex);  in vbg_acquire_session_capabilities()
731 	if (gdev->set_guest_caps_tracker.mask & or_mask) {  in vbg_acquire_session_capabilities()
743 	spin_lock_irqsave(&gdev->event_spinlock, irqflags);  in vbg_acquire_session_capabilities()
744 	gdev->acquire_mode_guest_caps |= or_mask;  in vbg_acquire_session_capabilities()
745 	spin_unlock_irqrestore(&gdev->event_spinlock, irqflags);  in vbg_acquire_session_capabilities()
758 	if (gdev->acquired_guest_caps & or_mask) {  in vbg_acquire_session_capabilities()
763 	gdev->acquired_guest_caps |= or_mask;  in vbg_acquire_session_capabilities()
764 	gdev->acquired_guest_caps &= ~not_mask;  in vbg_acquire_session_capabilities()
766 	spin_lock_irqsave(&gdev->event_spinlock, irqflags);  in vbg_acquire_session_capabilities()
769 	spin_unlock_irqrestore(&gdev->event_spinlock, irqflags);  in vbg_acquire_session_capabilities()
771 	ret = vbg_set_host_capabilities(gdev, session, session_termination);  in vbg_acquire_session_capabilities()
774 		gdev->acquired_guest_caps &= ~or_mask;  in vbg_acquire_session_capabilities()
775 		gdev->acquired_guest_caps |= not_mask;  in vbg_acquire_session_capabilities()
776 		spin_lock_irqsave(&gdev->event_spinlock, irqflags);  in vbg_acquire_session_capabilities()
779 		spin_unlock_irqrestore(&gdev->event_spinlock, irqflags);  in vbg_acquire_session_capabilities()
792 		spin_lock_irqsave(&gdev->event_spinlock, irqflags);  in vbg_acquire_session_capabilities()
795 			gdev->pending_events |=  in vbg_acquire_session_capabilities()
798 		if (gdev->pending_events)  in vbg_acquire_session_capabilities()
801 		spin_unlock_irqrestore(&gdev->event_spinlock, irqflags);  in vbg_acquire_session_capabilities()
804 			wake_up(&gdev->event_wq);  in vbg_acquire_session_capabilities()
808 	mutex_unlock(&gdev->session_mutex);  in vbg_acquire_session_capabilities()
825 static int vbg_set_session_capabilities(struct vbg_dev *gdev,  in vbg_set_session_capabilities()  argument
833 	mutex_lock(&gdev->session_mutex);  in vbg_set_session_capabilities()
835 	if (gdev->acquire_mode_guest_caps & or_mask) {  in vbg_set_session_capabilities()
852 	vbg_track_bit_usage(&gdev->set_guest_caps_tracker, changed, previous);  in vbg_set_session_capabilities()
854 	ret = vbg_set_host_capabilities(gdev, session, session_termination);  in vbg_set_session_capabilities()
857 		vbg_track_bit_usage(&gdev->set_guest_caps_tracker, changed,  in vbg_set_session_capabilities()
863 	mutex_unlock(&gdev->session_mutex);  in vbg_set_session_capabilities()
873 static int vbg_query_host_version(struct vbg_dev *gdev)  in vbg_query_host_version()  argument
883 	rc = vbg_req_perform(gdev, req);  in vbg_query_host_version()
890 	snprintf(gdev->host_version, sizeof(gdev->host_version), "%u.%u.%ur%u",  in vbg_query_host_version()
892 	gdev->host_features = req->features;  in vbg_query_host_version()
894 	vbg_info("vboxguest: host-version: %s %#x\n", gdev->host_version,  in vbg_query_host_version()
895 		 gdev->host_features);  in vbg_query_host_version()
922 int vbg_core_init(struct vbg_dev *gdev, u32 fixed_events)  in vbg_core_init()  argument
926 	gdev->fixed_events = fixed_events | VMMDEV_EVENT_HGCM;  in vbg_core_init()
927 	gdev->event_filter_host = U32_MAX;	/* forces a report */  in vbg_core_init()
928 	gdev->guest_caps_host = U32_MAX;	/* forces a report */  in vbg_core_init()
930 	init_waitqueue_head(&gdev->event_wq);  in vbg_core_init()
931 	init_waitqueue_head(&gdev->hgcm_wq);  in vbg_core_init()
932 	spin_lock_init(&gdev->event_spinlock);  in vbg_core_init()
933 	mutex_init(&gdev->session_mutex);  in vbg_core_init()
934 	mutex_init(&gdev->cancel_req_mutex);  in vbg_core_init()
935 	timer_setup(&gdev->heartbeat_timer, vbg_heartbeat_timer, 0);  in vbg_core_init()
936 	INIT_WORK(&gdev->mem_balloon.work, vbg_balloon_work);  in vbg_core_init()
938 	gdev->mem_balloon.get_req =  in vbg_core_init()
939 		vbg_req_alloc(sizeof(*gdev->mem_balloon.get_req),  in vbg_core_init()
942 	gdev->mem_balloon.change_req =  in vbg_core_init()
943 		vbg_req_alloc(sizeof(*gdev->mem_balloon.change_req),  in vbg_core_init()
946 	gdev->cancel_req =  in vbg_core_init()
947 		vbg_req_alloc(sizeof(*(gdev->cancel_req)),  in vbg_core_init()
950 	gdev->ack_events_req =  in vbg_core_init()
951 		vbg_req_alloc(sizeof(*gdev->ack_events_req),  in vbg_core_init()
954 	gdev->mouse_status_req =  in vbg_core_init()
955 		vbg_req_alloc(sizeof(*gdev->mouse_status_req),  in vbg_core_init()
959 	if (!gdev->mem_balloon.get_req || !gdev->mem_balloon.change_req ||  in vbg_core_init()
960 	    !gdev->cancel_req || !gdev->ack_events_req ||  in vbg_core_init()
961 	    !gdev->mouse_status_req)  in vbg_core_init()
964 	ret = vbg_query_host_version(gdev);  in vbg_core_init()
968 	ret = vbg_report_guest_info(gdev);  in vbg_core_init()
974 	ret = vbg_reset_host_event_filter(gdev, gdev->fixed_events);  in vbg_core_init()
981 	ret = vbg_reset_host_capabilities(gdev);  in vbg_core_init()
988 	ret = vbg_core_set_mouse_status(gdev, 0);  in vbg_core_init()
995 	vbg_guest_mappings_init(gdev);  in vbg_core_init()
996 	vbg_heartbeat_init(gdev);  in vbg_core_init()
999 	ret = vbg_report_driver_status(gdev, true);  in vbg_core_init()
1006 	vbg_req_free(gdev->mouse_status_req,  in vbg_core_init()
1007 		     sizeof(*gdev->mouse_status_req));  in vbg_core_init()
1008 	vbg_req_free(gdev->ack_events_req,  in vbg_core_init()
1009 		     sizeof(*gdev->ack_events_req));  in vbg_core_init()
1010 	vbg_req_free(gdev->cancel_req,  in vbg_core_init()
1011 		     sizeof(*gdev->cancel_req));  in vbg_core_init()
1012 	vbg_req_free(gdev->mem_balloon.change_req,  in vbg_core_init()
1013 		     sizeof(*gdev->mem_balloon.change_req));  in vbg_core_init()
1014 	vbg_req_free(gdev->mem_balloon.get_req,  in vbg_core_init()
1015 		     sizeof(*gdev->mem_balloon.get_req));  in vbg_core_init()
1026 void vbg_core_exit(struct vbg_dev *gdev)  in vbg_core_exit()  argument
1028 	vbg_heartbeat_exit(gdev);  in vbg_core_exit()
1029 	vbg_guest_mappings_exit(gdev);  in vbg_core_exit()
1032 	vbg_reset_host_event_filter(gdev, 0);  in vbg_core_exit()
1033 	vbg_reset_host_capabilities(gdev);  in vbg_core_exit()
1034 	vbg_core_set_mouse_status(gdev, 0);  in vbg_core_exit()
1036 	vbg_req_free(gdev->mouse_status_req,  in vbg_core_exit()
1037 		     sizeof(*gdev->mouse_status_req));  in vbg_core_exit()
1038 	vbg_req_free(gdev->ack_events_req,  in vbg_core_exit()
1039 		     sizeof(*gdev->ack_events_req));  in vbg_core_exit()
1040 	vbg_req_free(gdev->cancel_req,  in vbg_core_exit()
1041 		     sizeof(*gdev->cancel_req));  in vbg_core_exit()
1042 	vbg_req_free(gdev->mem_balloon.change_req,  in vbg_core_exit()
1043 		     sizeof(*gdev->mem_balloon.change_req));  in vbg_core_exit()
1044 	vbg_req_free(gdev->mem_balloon.get_req,  in vbg_core_exit()
1045 		     sizeof(*gdev->mem_balloon.get_req));  in vbg_core_exit()
1056 struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, u32 requestor)  in vbg_core_open_session()  argument
1064 	session->gdev = gdev;  in vbg_core_open_session()
1076 	struct vbg_dev *gdev = session->gdev;  in vbg_core_close_session()  local
1079 	vbg_acquire_session_capabilities(gdev, session, 0, U32_MAX, 0, true);  in vbg_core_close_session()
1080 	vbg_set_session_capabilities(gdev, session, 0, U32_MAX, true);  in vbg_core_close_session()
1081 	vbg_set_session_event_filter(gdev, session, 0, U32_MAX, true);  in vbg_core_close_session()
1088 		vbg_hgcm_disconnect(gdev, VBG_KERNEL_REQUEST,  in vbg_core_close_session()
1138 static u32 vbg_get_allowed_event_mask_for_session(struct vbg_dev *gdev,  in vbg_get_allowed_event_mask_for_session()  argument
1141 	u32 acquire_mode_caps = gdev->acquire_mode_guest_caps;  in vbg_get_allowed_event_mask_for_session()
1156 static bool vbg_wait_event_cond(struct vbg_dev *gdev,  in vbg_wait_event_cond()  argument
1164 	spin_lock_irqsave(&gdev->event_spinlock, flags);  in vbg_wait_event_cond()
1166 	events = gdev->pending_events & event_mask;  in vbg_wait_event_cond()
1167 	events &= vbg_get_allowed_event_mask_for_session(gdev, session);  in vbg_wait_event_cond()
1170 	spin_unlock_irqrestore(&gdev->event_spinlock, flags);  in vbg_wait_event_cond()
1176 static u32 vbg_consume_events_locked(struct vbg_dev *gdev,  in vbg_consume_events_locked()  argument
1180 	u32 events = gdev->pending_events & event_mask;  in vbg_consume_events_locked()
1182 	events &= vbg_get_allowed_event_mask_for_session(gdev, session);  in vbg_consume_events_locked()
1183 	gdev->pending_events &= ~events;  in vbg_consume_events_locked()
1187 static int vbg_ioctl_wait_for_events(struct vbg_dev *gdev,  in vbg_ioctl_wait_for_events()  argument
1208 				gdev->event_wq,  in vbg_ioctl_wait_for_events()
1209 				vbg_wait_event_cond(gdev, session, event_mask),  in vbg_ioctl_wait_for_events()
1212 		spin_lock_irqsave(&gdev->event_spinlock, flags);  in vbg_ioctl_wait_for_events()
1220 			   vbg_consume_events_locked(gdev, session, event_mask);  in vbg_ioctl_wait_for_events()
1223 		spin_unlock_irqrestore(&gdev->event_spinlock, flags);  in vbg_ioctl_wait_for_events()
1234 static int vbg_ioctl_interrupt_all_wait_events(struct vbg_dev *gdev,  in vbg_ioctl_interrupt_all_wait_events()  argument
1243 	spin_lock_irqsave(&gdev->event_spinlock, flags);  in vbg_ioctl_interrupt_all_wait_events()
1245 	spin_unlock_irqrestore(&gdev->event_spinlock, flags);  in vbg_ioctl_interrupt_all_wait_events()
1247 	wake_up(&gdev->event_wq);  in vbg_ioctl_interrupt_all_wait_events()
1259 static int vbg_req_allowed(struct vbg_dev *gdev, struct vbg_session *session,  in vbg_req_allowed()  argument
1350 static int vbg_ioctl_vmmrequest(struct vbg_dev *gdev,  in vbg_ioctl_vmmrequest()  argument
1365 	ret = vbg_req_allowed(gdev, session, data);  in vbg_ioctl_vmmrequest()
1369 	vbg_req_perform(gdev, data);  in vbg_ioctl_vmmrequest()
1375 static int vbg_ioctl_hgcm_connect(struct vbg_dev *gdev,  in vbg_ioctl_hgcm_connect()  argument
1386 	mutex_lock(&gdev->session_mutex);  in vbg_ioctl_hgcm_connect()
1393 	mutex_unlock(&gdev->session_mutex);  in vbg_ioctl_hgcm_connect()
1398 	ret = vbg_hgcm_connect(gdev, session->requestor, &conn->u.in.loc,  in vbg_ioctl_hgcm_connect()
1401 	mutex_lock(&gdev->session_mutex);  in vbg_ioctl_hgcm_connect()
1409 	mutex_unlock(&gdev->session_mutex);  in vbg_ioctl_hgcm_connect()
1414 static int vbg_ioctl_hgcm_disconnect(struct vbg_dev *gdev,  in vbg_ioctl_hgcm_disconnect()  argument
1428 	mutex_lock(&gdev->session_mutex);  in vbg_ioctl_hgcm_disconnect()
1435 	mutex_unlock(&gdev->session_mutex);  in vbg_ioctl_hgcm_disconnect()
1440 	ret = vbg_hgcm_disconnect(gdev, session->requestor, client_id,  in vbg_ioctl_hgcm_disconnect()
1443 	mutex_lock(&gdev->session_mutex);  in vbg_ioctl_hgcm_disconnect()
1448 	mutex_unlock(&gdev->session_mutex);  in vbg_ioctl_hgcm_disconnect()
1467 static int vbg_ioctl_hgcm_call(struct vbg_dev *gdev,  in vbg_ioctl_hgcm_call()  argument
1522 	mutex_lock(&gdev->session_mutex);  in vbg_ioctl_hgcm_call()
1526 	mutex_unlock(&gdev->session_mutex);  in vbg_ioctl_hgcm_call()
1534 		ret = vbg_hgcm_call32(gdev, session->requestor, client_id,  in vbg_ioctl_hgcm_call()
1539 		ret = vbg_hgcm_call(gdev, session->requestor, client_id,  in vbg_ioctl_hgcm_call()
1567 static int vbg_ioctl_change_filter_mask(struct vbg_dev *gdev,  in vbg_ioctl_change_filter_mask()  argument
1582 	return vbg_set_session_event_filter(gdev, session, or_mask, not_mask,  in vbg_ioctl_change_filter_mask()
1586 static int vbg_ioctl_acquire_guest_capabilities(struct vbg_dev *gdev,  in vbg_ioctl_acquire_guest_capabilities()  argument
1605 	return vbg_acquire_session_capabilities(gdev, session, or_mask,  in vbg_ioctl_acquire_guest_capabilities()
1609 static int vbg_ioctl_change_guest_capabilities(struct vbg_dev *gdev,  in vbg_ioctl_change_guest_capabilities()  argument
1624 	ret = vbg_set_session_capabilities(gdev, session, or_mask, not_mask,  in vbg_ioctl_change_guest_capabilities()
1630 	caps->u.out.global_caps = gdev->guest_caps_host;  in vbg_ioctl_change_guest_capabilities()
1635 static int vbg_ioctl_check_balloon(struct vbg_dev *gdev,  in vbg_ioctl_check_balloon()  argument
1641 	balloon_info->u.out.balloon_chunks = gdev->mem_balloon.chunks;  in vbg_ioctl_check_balloon()
1651 static int vbg_ioctl_write_core_dump(struct vbg_dev *gdev,  in vbg_ioctl_write_core_dump()  argument
1666 	dump->hdr.rc = vbg_req_perform(gdev, req);  in vbg_ioctl_write_core_dump()
1682 	struct vbg_dev *gdev = session->gdev;  in vbg_core_ioctl()  local
1699 		return vbg_ioctl_vmmrequest(gdev, session, data);  in vbg_core_ioctl()
1709 		return vbg_ioctl_hgcm_connect(gdev, session, data);  in vbg_core_ioctl()
1711 		return vbg_ioctl_hgcm_disconnect(gdev, session, data);  in vbg_core_ioctl()
1713 		return vbg_ioctl_wait_for_events(gdev, session, data);  in vbg_core_ioctl()
1715 		return vbg_ioctl_interrupt_all_wait_events(gdev, session, data);  in vbg_core_ioctl()
1717 		return vbg_ioctl_change_filter_mask(gdev, session, data);  in vbg_core_ioctl()
1719 		return vbg_ioctl_acquire_guest_capabilities(gdev, session, data);  in vbg_core_ioctl()
1721 		return vbg_ioctl_change_guest_capabilities(gdev, session, data);  in vbg_core_ioctl()
1723 		return vbg_ioctl_check_balloon(gdev, data);  in vbg_core_ioctl()
1725 		return vbg_ioctl_write_core_dump(gdev, session, data);  in vbg_core_ioctl()
1736 		return vbg_ioctl_hgcm_call(gdev, session, f32bit, data);  in vbg_core_ioctl()
1753 int vbg_core_set_mouse_status(struct vbg_dev *gdev, u32 features)  in vbg_core_set_mouse_status()  argument
1767 	rc = vbg_req_perform(gdev, req);  in vbg_core_set_mouse_status()
1778 	struct vbg_dev *gdev = dev_id;  in vbg_core_isr()  local
1779 	struct vmmdev_events *req = gdev->ack_events_req;  in vbg_core_isr()
1785 	if (!gdev->mmio->V.V1_04.have_events)  in vbg_core_isr()
1791 	rc = vbg_req_perform(gdev, req);  in vbg_core_isr()
1805 		wake_up(&gdev->hgcm_wq);  in vbg_core_isr()
1810 		schedule_work(&gdev->mem_balloon.work);  in vbg_core_isr()
1815 		spin_lock_irqsave(&gdev->event_spinlock, flags);  in vbg_core_isr()
1816 		gdev->pending_events |= events;  in vbg_core_isr()
1817 		spin_unlock_irqrestore(&gdev->event_spinlock, flags);  in vbg_core_isr()
1819 		wake_up(&gdev->event_wq);  in vbg_core_isr()
1823 		vbg_linux_mouse_event(gdev);  in vbg_core_isr()