12 #include "qemu/osdep.h"
13 #include "qemu/uuid.h"
14 #include "qapi/error.h"
16 #include "hw/xen/xen_native.h"
17 #include "hw/xen/xen_backend_ops.h"
22  * must be undefined before including xenctrl.h
28 #include <xenctrl.h>
34 #include <xenevtchn.h>
35 #include <xengnttab.h>
36 #include <xenforeignmemory.h>
218     struct qemu_xs_handle *h = opaque;  in watch_event()  local
221         char **v = xs_check_watch(h->xsh);  in watch_event()
227         notifier_list_notify(&h->notifiers, v);  in watch_event()
235     struct qemu_xs_handle *h;  in libxenstore_open()  local
241     h = g_new0(struct qemu_xs_handle, 1);  in libxenstore_open()
242     h->xsh = xsh;  in libxenstore_open()
244     notifier_list_init(&h->notifiers);  in libxenstore_open()
245     qemu_set_fd_handler(xs_fileno(h->xsh), watch_event, NULL, h);  in libxenstore_open()
247     return h;  in libxenstore_open()
250 static void libxenstore_close(struct qemu_xs_handle *h)  in libxenstore_close()  argument
252     g_assert(notifier_list_empty(&h->notifiers));  in libxenstore_close()
253     qemu_set_fd_handler(xs_fileno(h->xsh), NULL, NULL, NULL);  in libxenstore_close()
254     xs_close(h->xsh);  in libxenstore_close()
255     g_free(h);  in libxenstore_close()
258 static char *libxenstore_get_domain_path(struct qemu_xs_handle *h,  in libxenstore_get_domain_path()  argument
261     return xs_get_domain_path(h->xsh, domid);  in libxenstore_get_domain_path()
264 static char **libxenstore_directory(struct qemu_xs_handle *h,  in libxenstore_directory()  argument
268     return xs_directory(h->xsh, t, path, num);  in libxenstore_directory()
271 static void *libxenstore_read(struct qemu_xs_handle *h, xs_transaction_t t,  in libxenstore_read()  argument
274     return xs_read(h->xsh, t, path, len);  in libxenstore_read()
277 static bool libxenstore_write(struct qemu_xs_handle *h, xs_transaction_t t,  in libxenstore_write()  argument
281     return xs_write(h->xsh, t, path, data, len);  in libxenstore_write()
284 static bool libxenstore_create(struct qemu_xs_handle *h, xs_transaction_t t,  in libxenstore_create()  argument
299     if (!xs_mkdir(h->xsh, t, path)) {  in libxenstore_create()
303     return xs_set_permissions(h->xsh, t, path, perms_list,  in libxenstore_create()
307 static bool libxenstore_destroy(struct qemu_xs_handle *h, xs_transaction_t t,  in libxenstore_destroy()  argument
310     return xs_rm(h->xsh, t, path);  in libxenstore_destroy()
356 static struct qemu_xs_watch *libxenstore_watch(struct qemu_xs_handle *h,  in libxenstore_watch()  argument
362     notifier_list_add(&h->notifiers, &w->notifier);  in libxenstore_watch()
364     if (!xs_watch(h->xsh, path, w->token)) {  in libxenstore_watch()
373 static void libxenstore_unwatch(struct qemu_xs_handle *h,  in libxenstore_unwatch()  argument
376     xs_unwatch(h->xsh, w->path, w->token);  in libxenstore_unwatch()
381 static xs_transaction_t libxenstore_transaction_start(struct qemu_xs_handle *h)  in libxenstore_transaction_start()  argument
383     return xs_transaction_start(h->xsh);  in libxenstore_transaction_start()
386 static bool libxenstore_transaction_end(struct qemu_xs_handle *h,  in libxenstore_transaction_end()  argument
389     return xs_transaction_end(h->xsh, t, abort);  in libxenstore_transaction_end()