[PATCH v10 20/25] tools/xenstore: add reading global state for live update

[Juergen Gross <jgross@xxxxxxxx>]

Add reading the global state for live update.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Acked-by: Julien Grall <jgrall@xxxxxxxxxx>
Reviewed-by: Paul Durrant <paul@xxxxxxx>
---
 tools/xenstore/xenstored_control.c | 1 +
 tools/xenstore/xenstored_core.c    | 9 +++++++++
 tools/xenstore/xenstored_core.h    | 2 ++
 3 files changed, 12 insertions(+)

diff --git a/tools/xenstore/xenstored_control.c 
b/tools/xenstore/xenstored_control.c
index 129d2b44bb..f6c4ab3d8a 100644
--- a/tools/xenstore/xenstored_control.c
+++ b/tools/xenstore/xenstored_control.c
@@ -519,6 +519,7 @@ void lu_read_state(void)
             head = (void *)head + sizeof(*head) + head->length) {
                switch (head->type) {
                case XS_STATE_TYPE_GLOBAL:
+                       read_state_global(ctx, head + 1);
                        break;
                case XS_STATE_TYPE_CONN:
                        break;
diff --git a/tools/xenstore/xenstored_core.c b/tools/xenstore/xenstored_core.c
index d6f8373ee0..5922a03a98 100644
--- a/tools/xenstore/xenstored_core.c
+++ b/tools/xenstore/xenstored_core.c
@@ -2451,6 +2451,15 @@ const char *dump_state_nodes(FILE *fp, const void *ctx)
        return dump_state_node_tree(fp, path);
 }
 
+void read_state_global(const void *ctx, const void *state)
+{
+       const struct xs_state_global *glb = state;
+
+       sock = glb->socket_fd;
+
+       domain_init(glb->evtchn_fd);
+}
+
 /*
  * Local variables:
  *  mode: C
diff --git a/tools/xenstore/xenstored_core.h b/tools/xenstore/xenstored_core.h
index e40e0e6806..6c9d838f11 100644
--- a/tools/xenstore/xenstored_core.h
+++ b/tools/xenstore/xenstored_core.h
@@ -244,6 +244,8 @@ const char *dump_state_node_perms(FILE *fp, struct 
xs_state_node *sn,
                                  const struct xs_permissions *perms,
                                  unsigned int n_perms);
 
+void read_state_global(const void *ctx, const void *state);
+
 #endif /* _XENSTORED_CORE_H */
 
 /*
-- 
2.26.2