575 					struct vbg_session *session,  in vbg_set_session_event_filter()  argument
590 						  session->requestor);  in vbg_set_session_event_filter()
600 	previous = session->event_filter;  in vbg_set_session_event_filter()
601 	session->event_filter |= or_mask;  in vbg_set_session_event_filter()
602 	session->event_filter &= ~not_mask;  in vbg_set_session_event_filter()
605 	changed = previous ^ session->event_filter;  in vbg_set_session_event_filter()
628 				    session->event_filter);  in vbg_set_session_event_filter()
629 		session->event_filter = previous;  in vbg_set_session_event_filter()
673 				     struct vbg_session *session,  in vbg_set_host_capabilities()  argument
690 						  session->requestor);  in vbg_set_host_capabilities()
721 					    struct vbg_session *session,  in vbg_acquire_session_capabilities()  argument
752 	not_mask &= session->acquired_guest_caps;  in vbg_acquire_session_capabilities()
753 	or_mask &= ~session->acquired_guest_caps;  in vbg_acquire_session_capabilities()
767 	session->acquired_guest_caps |= or_mask;  in vbg_acquire_session_capabilities()
768 	session->acquired_guest_caps &= ~not_mask;  in vbg_acquire_session_capabilities()
771 	ret = vbg_set_host_capabilities(gdev, session, session_termination);  in vbg_acquire_session_capabilities()
777 		session->acquired_guest_caps &= ~or_mask;  in vbg_acquire_session_capabilities()
778 		session->acquired_guest_caps |= not_mask;  in vbg_acquire_session_capabilities()
826 					struct vbg_session *session,  in vbg_set_session_capabilities()  argument
843 	previous = session->set_guest_caps;  in vbg_set_session_capabilities()
844 	session->set_guest_caps |= or_mask;  in vbg_set_session_capabilities()
845 	session->set_guest_caps &= ~not_mask;  in vbg_set_session_capabilities()
848 	changed = previous ^ session->set_guest_caps;  in vbg_set_session_capabilities()
854 	ret = vbg_set_host_capabilities(gdev, session, session_termination);  in vbg_set_session_capabilities()
858 				    session->set_guest_caps);  in vbg_set_session_capabilities()
859 		session->set_guest_caps = previous;  in vbg_set_session_capabilities()
1058 	struct vbg_session *session;  in vbg_core_open_session()  local
1060 	session = kzalloc(sizeof(*session), GFP_KERNEL);  in vbg_core_open_session()
1061 	if (!session)  in vbg_core_open_session()
1064 	session->gdev = gdev;  in vbg_core_open_session()
1065 	session->requestor = requestor;  in vbg_core_open_session()
1067 	return session;  in vbg_core_open_session()
1074 void vbg_core_close_session(struct vbg_session *session)  in vbg_core_close_session()  argument
1076 	struct vbg_dev *gdev = session->gdev;  in vbg_core_close_session()
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()
1083 	for (i = 0; i < ARRAY_SIZE(session->hgcm_client_ids); i++) {  in vbg_core_close_session()
1084 		if (!session->hgcm_client_ids[i])  in vbg_core_close_session()
1089 				    session->hgcm_client_ids[i], &rc);  in vbg_core_close_session()
1092 	kfree(session);  in vbg_core_close_session()
1139 						  struct vbg_session *session)  in vbg_get_allowed_event_mask_for_session()  argument
1142 	u32 session_acquired_caps = session->acquired_guest_caps;  in vbg_get_allowed_event_mask_for_session()
1157 				struct vbg_session *session,  in vbg_wait_event_cond()  argument
1167 	events &= vbg_get_allowed_event_mask_for_session(gdev, session);  in vbg_wait_event_cond()
1168 	wakeup = events || session->cancel_waiters;  in vbg_wait_event_cond()
1177 				     struct vbg_session *session,  in vbg_consume_events_locked()  argument
1182 	events &= vbg_get_allowed_event_mask_for_session(gdev, session);  in vbg_consume_events_locked()
1188 				     struct vbg_session *session,  in vbg_ioctl_wait_for_events()  argument
1209 				vbg_wait_event_cond(gdev, session, event_mask),  in vbg_ioctl_wait_for_events()
1214 		if (timeout < 0 || session->cancel_waiters) {  in vbg_ioctl_wait_for_events()
1220 			   vbg_consume_events_locked(gdev, session, event_mask);  in vbg_ioctl_wait_for_events()
1235 					       struct vbg_session *session,  in vbg_ioctl_interrupt_all_wait_events()  argument
1244 	session->cancel_waiters = true;  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
1341 	    (session->requestor & VMMDEV_REQUESTOR_USER_DEVICE)) {  in vbg_req_allowed()
1351 				struct vbg_session *session, void *data)  in vbg_ioctl_vmmrequest()  argument
1365 	ret = vbg_req_allowed(gdev, session, data);  in vbg_ioctl_vmmrequest()
1376 				  struct vbg_session *session,  in vbg_ioctl_hgcm_connect()  argument
1387 	for (i = 0; i < ARRAY_SIZE(session->hgcm_client_ids); i++) {  in vbg_ioctl_hgcm_connect()
1388 		if (!session->hgcm_client_ids[i]) {  in vbg_ioctl_hgcm_connect()
1389 			session->hgcm_client_ids[i] = U32_MAX;  in vbg_ioctl_hgcm_connect()
1395 	if (i >= ARRAY_SIZE(session->hgcm_client_ids))  in vbg_ioctl_hgcm_connect()
1398 	ret = vbg_hgcm_connect(gdev, session->requestor, &conn->u.in.loc,  in vbg_ioctl_hgcm_connect()
1404 		session->hgcm_client_ids[i] = client_id;  in vbg_ioctl_hgcm_connect()
1407 		session->hgcm_client_ids[i] = 0;  in vbg_ioctl_hgcm_connect()
1415 				     struct vbg_session *session,  in vbg_ioctl_hgcm_disconnect()  argument
1429 	for (i = 0; i < ARRAY_SIZE(session->hgcm_client_ids); i++) {  in vbg_ioctl_hgcm_disconnect()
1430 		if (session->hgcm_client_ids[i] == client_id) {  in vbg_ioctl_hgcm_disconnect()
1431 			session->hgcm_client_ids[i] = U32_MAX;  in vbg_ioctl_hgcm_disconnect()
1437 	if (i >= ARRAY_SIZE(session->hgcm_client_ids))  in vbg_ioctl_hgcm_disconnect()
1440 	ret = vbg_hgcm_disconnect(gdev, session->requestor, client_id,  in vbg_ioctl_hgcm_disconnect()
1445 		session->hgcm_client_ids[i] = 0;  in vbg_ioctl_hgcm_disconnect()
1447 		session->hgcm_client_ids[i] = client_id;  in vbg_ioctl_hgcm_disconnect()
1468 			       struct vbg_session *session, bool f32bit,  in vbg_ioctl_hgcm_call()  argument
1523 	for (i = 0; i < ARRAY_SIZE(session->hgcm_client_ids); i++)  in vbg_ioctl_hgcm_call()
1524 		if (session->hgcm_client_ids[i] == client_id)  in vbg_ioctl_hgcm_call()
1527 	if (i >= ARRAY_SIZE(session->hgcm_client_ids)) {  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()
1568 					struct vbg_session *session,  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()
1587 	     struct vbg_session *session,  in vbg_ioctl_acquire_guest_capabilities()  argument
1605 	return vbg_acquire_session_capabilities(gdev, session, or_mask,  in vbg_ioctl_acquire_guest_capabilities()
1610 	     struct vbg_session *session, struct vbg_ioctl_set_guest_caps *caps)  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()
1629 	caps->u.out.session_caps = session->set_guest_caps;  in vbg_ioctl_change_guest_capabilities()
1652 				     struct vbg_session *session,  in vbg_ioctl_write_core_dump()  argument
1661 			    session->requestor);  in vbg_ioctl_write_core_dump()
1679 int vbg_core_ioctl(struct vbg_session *session, unsigned int req, void *data)  in vbg_core_ioctl()  argument
1682 	struct vbg_dev *gdev = session->gdev;  in vbg_core_ioctl()
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()
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()