4 files changed, 28 insertions, 8 deletions
diff --git a/include/backend/drm/backend.h b/include/backend/drm/backend.h
index 0c725ccb..e603bccd 100644
--- a/include/backend/drm/backend.h
+++ b/include/backend/drm/backend.h
@@ -19,10 +19,14 @@
 
 struct wlr_backend_state {
 	int fd;
+	dev_t dev;
 
 	struct wlr_backend *backend;
 	struct wl_event_source *drm_event;
 
+	struct wl_listener device_paused;
+	struct wl_listener device_resumed;
+
 	uint32_t taken_crtcs;
 	list_t *outputs;
 
diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h
index 52ca65f0..004f3a10 100644
--- a/include/backend/drm/drm.h
+++ b/include/backend/drm/drm.h
@@ -59,4 +59,6 @@ void wlr_drm_output_cleanup(struct wlr_output_state *output, bool restore);
 void wlr_drm_scan_connectors(struct wlr_backend_state *state);
 int wlr_drm_event(int fd, uint32_t mask, void *data);
 
+void wlr_drm_output_start_renderer(struct wlr_output_state *output);
+
 #endif
diff --git a/include/session/interface.h b/include/session/interface.h
index a815718f..7345c4cf 100644
--- a/include/session/interface.h
+++ b/include/session/interface.h
@@ -1,18 +1,15 @@
 #ifndef WLR_SESSION_INTERFACE_H
 #define WLR_SESSION_INTERFACE_H
 
-struct wlr_session;
+#include <wlr/session.h>
 
 struct session_interface {
-	struct wlr_session *(*start)(void);
+	struct wlr_session *(*start)(struct wl_display *disp);
 	void (*finish)(struct wlr_session *session);
 	int (*open)(struct wlr_session *restrict session,
 		const char *restrict path);
 	void (*close)(struct wlr_session *session, int fd);
-};
-
-struct wlr_session {
-	struct session_interface iface;
+	bool (*change_vt)(struct wlr_session *session, int vt);
 };
 
 extern const struct session_interface session_logind_iface;
diff --git a/include/wlr/session.h b/include/wlr/session.h
index cf04f1da..5f210f10 100644
--- a/include/wlr/session.h
+++ b/include/wlr/session.h
@@ -1,12 +1,29 @@
 #ifndef WLR_SESSION_H
 #define WLR_SESSION_H
 
-struct wlr_session;
+#include <wayland-server.h>
+#include <sys/types.h>
 
-struct wlr_session *wlr_session_start(void);
+struct session_interface;
+
+// Passed to the listeners of device_paused/resumed
+struct device_arg {
+	dev_t dev;
+	int fd; // Only for device_resumed
+};
+
+struct wlr_session {
+	const struct session_interface *iface;
+
+	struct wl_signal device_paused;
+	struct wl_signal device_resumed;
+};
+
+struct wlr_session *wlr_session_start(struct wl_display *disp);
 void wlr_session_finish(struct wlr_session *session);
 int wlr_session_open_file(struct wlr_session *restrict session,
 	const char *restrict path);
 void wlr_session_close_file(struct wlr_session *session, int fd);
+bool wlr_session_change_vt(struct wlr_session *session, int vt);
 
 #endif