562 					struct vbg_session *session,  in vbg_set_session_event_filter()  argument
581 	previous = session->event_filter;  in vbg_set_session_event_filter()
582 	session->event_filter |= or_mask;  in vbg_set_session_event_filter()
583 	session->event_filter &= ~not_mask;  in vbg_set_session_event_filter()
586 	changed = previous ^ session->event_filter;  in vbg_set_session_event_filter()
609 				    session->event_filter);  in vbg_set_session_event_filter()
610 		session->event_filter = previous;  in vbg_set_session_event_filter()
657 					struct vbg_session *session,  in vbg_set_session_capabilities()  argument
676 	previous = session->guest_caps;  in vbg_set_session_capabilities()
677 	session->guest_caps |= or_mask;  in vbg_set_session_capabilities()
678 	session->guest_caps &= ~not_mask;  in vbg_set_session_capabilities()
681 	changed = previous ^ session->guest_caps;  in vbg_set_session_capabilities()
704 				    session->guest_caps);  in vbg_set_session_capabilities()
705 		session->guest_caps = previous;  in vbg_set_session_capabilities()
899 	struct vbg_session *session;  in vbg_core_open_session()  local
901 	session = kzalloc(sizeof(*session), GFP_KERNEL);  in vbg_core_open_session()
902 	if (!session)  in vbg_core_open_session()
905 	session->gdev = gdev;  in vbg_core_open_session()
906 	session->user_session = user;  in vbg_core_open_session()
908 	return session;  in vbg_core_open_session()
915 void vbg_core_close_session(struct vbg_session *session)  in vbg_core_close_session()  argument
917 	struct vbg_dev *gdev = session->gdev;  in vbg_core_close_session()
920 	vbg_set_session_capabilities(gdev, session, 0, U32_MAX, true);  in vbg_core_close_session()
921 	vbg_set_session_event_filter(gdev, session, 0, U32_MAX, true);  in vbg_core_close_session()
923 	for (i = 0; i < ARRAY_SIZE(session->hgcm_client_ids); i++) {  in vbg_core_close_session()
924 		if (!session->hgcm_client_ids[i])  in vbg_core_close_session()
927 		vbg_hgcm_disconnect(gdev, session->hgcm_client_ids[i], &rc);  in vbg_core_close_session()
930 	kfree(session);  in vbg_core_close_session()
976 				struct vbg_session *session,  in vbg_wait_event_cond()  argument
986 	wakeup = events || session->cancel_waiters;  in vbg_wait_event_cond()
995 				     struct vbg_session *session,  in vbg_consume_events_locked()  argument
1005 				     struct vbg_session *session,  in vbg_ioctl_wait_for_events()  argument
1026 				vbg_wait_event_cond(gdev, session, event_mask),  in vbg_ioctl_wait_for_events()
1031 		if (timeout < 0 || session->cancel_waiters) {  in vbg_ioctl_wait_for_events()
1037 			   vbg_consume_events_locked(gdev, session, event_mask);  in vbg_ioctl_wait_for_events()
1052 					       struct vbg_session *session,  in vbg_ioctl_interrupt_all_wait_events()  argument
1061 	session->cancel_waiters = true;  in vbg_ioctl_interrupt_all_wait_events()
1076 static int vbg_req_allowed(struct vbg_dev *gdev, struct vbg_session *session,  in vbg_req_allowed()  argument
1155 	if (trusted_apps_only && session->user_session) {  in vbg_req_allowed()
1165 				struct vbg_session *session, void *data)  in vbg_ioctl_vmmrequest()  argument
1179 	ret = vbg_req_allowed(gdev, session, data);  in vbg_ioctl_vmmrequest()
1190 				  struct vbg_session *session,  in vbg_ioctl_hgcm_connect()  argument
1201 	for (i = 0; i < ARRAY_SIZE(session->hgcm_client_ids); i++) {  in vbg_ioctl_hgcm_connect()
1202 		if (!session->hgcm_client_ids[i]) {  in vbg_ioctl_hgcm_connect()
1203 			session->hgcm_client_ids[i] = U32_MAX;  in vbg_ioctl_hgcm_connect()
1209 	if (i >= ARRAY_SIZE(session->hgcm_client_ids))  in vbg_ioctl_hgcm_connect()
1218 		session->hgcm_client_ids[i] = client_id;  in vbg_ioctl_hgcm_connect()
1221 		session->hgcm_client_ids[i] = 0;  in vbg_ioctl_hgcm_connect()
1229 				     struct vbg_session *session,  in vbg_ioctl_hgcm_disconnect()  argument
1243 	for (i = 0; i < ARRAY_SIZE(session->hgcm_client_ids); i++) {  in vbg_ioctl_hgcm_disconnect()
1244 		if (session->hgcm_client_ids[i] == client_id) {  in vbg_ioctl_hgcm_disconnect()
1245 			session->hgcm_client_ids[i] = U32_MAX;  in vbg_ioctl_hgcm_disconnect()
1251 	if (i >= ARRAY_SIZE(session->hgcm_client_ids))  in vbg_ioctl_hgcm_disconnect()
1258 		session->hgcm_client_ids[i] = 0;  in vbg_ioctl_hgcm_disconnect()
1260 		session->hgcm_client_ids[i] = client_id;  in vbg_ioctl_hgcm_disconnect()
1281 			       struct vbg_session *session, bool f32bit,  in vbg_ioctl_hgcm_call()  argument
1336 	for (i = 0; i < ARRAY_SIZE(session->hgcm_client_ids); i++)  in vbg_ioctl_hgcm_call()
1337 		if (session->hgcm_client_ids[i] == client_id)  in vbg_ioctl_hgcm_call()
1340 	if (i >= ARRAY_SIZE(session->hgcm_client_ids)) {  in vbg_ioctl_hgcm_call()
1381 					struct vbg_session *session,  in vbg_ioctl_change_filter_mask()  argument
1395 	return vbg_set_session_event_filter(gdev, session, or_mask, not_mask,  in vbg_ioctl_change_filter_mask()
1400 	     struct vbg_session *session, struct vbg_ioctl_set_guest_caps *caps)  in vbg_ioctl_change_guest_capabilities()  argument
1414 	ret = vbg_set_session_capabilities(gdev, session, or_mask, not_mask,  in vbg_ioctl_change_guest_capabilities()
1419 	caps->u.out.session_caps = session->guest_caps;  in vbg_ioctl_change_guest_capabilities()
1467 int vbg_core_ioctl(struct vbg_session *session, unsigned int req, void *data)  in vbg_core_ioctl()  argument
1470 	struct vbg_dev *gdev = session->gdev;  in vbg_core_ioctl()
1487 		return vbg_ioctl_vmmrequest(gdev, session, data);  in vbg_core_ioctl()
1497 		return vbg_ioctl_hgcm_connect(gdev, session, data);  in vbg_core_ioctl()
1499 		return vbg_ioctl_hgcm_disconnect(gdev, session, data);  in vbg_core_ioctl()
1501 		return vbg_ioctl_wait_for_events(gdev, session, data);  in vbg_core_ioctl()
1503 		return vbg_ioctl_interrupt_all_wait_events(gdev, session, data);  in vbg_core_ioctl()
1505 		return vbg_ioctl_change_filter_mask(gdev, session, data);  in vbg_core_ioctl()
1507 		return vbg_ioctl_change_guest_capabilities(gdev, session, data);  in vbg_core_ioctl()
1522 		return vbg_ioctl_hgcm_call(gdev, session, f32bit, data);  in vbg_core_ioctl()