2  * Xen para-virtualization device
22 #include "qemu/main-loop.h"
23 #include "hw/qdev-core.h"
24 #include "hw/xen/xen-legacy-backend.h"
25 #include "hw/xen/xen-bus-helper.h"
42 /* ------------------------------------------------------------- */
49     d->xs_dir = dir;  in xenstore_cleanup_dir()
58         qemu_xen_xs_destroy(xenstore, 0, d->xs_dir);  in xen_config_cleanup()
66         return -1;  in xenstore_mkdir()
78         return -1;  in xenstore_write_str()
89         /* move to qemu-allocated memory to make sure  in xenstore_read_str()
116     int rc = -1;  in xenstore_read_int()
129     int rc = -1;  in xenstore_read_uint64()
148         [XenbusStateClosed]        = "Closed",  in xenbus_strstate()
165         fprintf(f, "xen be: %s: ", xendev->name);  in xen_pv_output_msg()
178     if (msg_level > (xendev ? xendev->debug : debug)) {  in xen_pv_printf()
202     port = qemu_xen_evtchn_pending(xendev->evtchndev);  in xen_pv_evtchn_event()
203     if (port != xendev->local_port) {  in xen_pv_evtchn_event()
206                       port, xendev->local_port);  in xen_pv_evtchn_event()
209     qemu_xen_evtchn_unmask(xendev->evtchndev, port);  in xen_pv_evtchn_event()
211     if (xendev->ops->event) {  in xen_pv_evtchn_event()
212         xendev->ops->event(xendev);  in xen_pv_evtchn_event()
218     if (xendev->local_port == -1) {  in xen_pv_unbind_evtchn()
221     qemu_set_fd_handler(qemu_xen_evtchn_fd(xendev->evtchndev), NULL, NULL, NULL);  in xen_pv_unbind_evtchn()
222     qemu_xen_evtchn_unbind(xendev->evtchndev, xendev->local_port);  in xen_pv_unbind_evtchn()
223     xen_pv_printf(xendev, 2, "unbind evtchn port %d\n", xendev->local_port);  in xen_pv_unbind_evtchn()
224     xendev->local_port = -1;  in xen_pv_unbind_evtchn()
229     return qemu_xen_evtchn_notify(xendev->evtchndev, xendev->local_port);  in xen_pv_send_notify()
232 /* ------------------------------------------------------------- */
239         if (xendev->dom != dom) {  in xen_pv_find_xendev()
242         if (xendev->dev != dev) {  in xen_pv_find_xendev()
245         if (strcmp(xendev->type, type) != 0) {  in xen_pv_find_xendev()
258     if (xendev->ops->free) {  in xen_pv_del_xendev()
259         xendev->ops->free(xendev);  in xen_pv_del_xendev()
262     if (xendev->fe) {  in xen_pv_del_xendev()
263         qemu_xen_xs_unwatch(xenstore, xendev->watch);  in xen_pv_del_xendev()
264         g_free(xendev->fe);  in xen_pv_del_xendev()
267     if (xendev->evtchndev != NULL) {  in xen_pv_del_xendev()
268         qemu_xen_evtchn_close(xendev->evtchndev);  in xen_pv_del_xendev()
270     if (xendev->gnttabdev != NULL) {  in xen_pv_del_xendev()
271         qemu_xen_gnttab_close(xendev->gnttabdev);  in xen_pv_del_xendev()