sd-bus: sync kdbus.h (ABI break)

In kdbus.h, the 'features' field has been dropped again. Instead of
negotiating features that way, we decided to make the kernel return the
set of supported flags in each ioctl struct's .flags field, in both the
success and error cases.

1 files changed, 1 insertions, 4 deletions

diff --git a/src/libsystemd/sd-bus/kdbus.h b/src/libsystemd/sd-bus/kdbus.h
index 79a17f344..453a8d18b 100644
--- a/src/libsystemd/sd-bus/kdbus.h
+++ b/src/libsystemd/sd-bus/kdbus.h
@@ -26,6 +26,7 @@
 #define KDBUS_DST_ID_NAME		(0)
 #define KDBUS_MATCH_ID_ANY		(~0ULL)
 #define KDBUS_DST_ID_BROADCAST		(~0ULL)
+#define KDBUS_FLAG_KERNEL		(1ULL << 63)
 
 /**
  * struct kdbus_notify_id_change - name registry change message
@@ -554,7 +555,6 @@ enum kdbus_attach_flags {
 /**
  * struct kdbus_cmd_hello - struct to say hello to kdbus
  * @size:		The total size of the structure
- * @features:		Feature negotiation bitmask
  * @conn_flags:		Connection flags (KDBUS_HELLO_*).
  * @attach_flags:	Mask of metadata to attach to each message sent
  *			(KDBUS_ATTACH_*)
@@ -574,7 +574,6 @@ enum kdbus_attach_flags {
  */
 struct kdbus_cmd_hello {
 	__u64 size;
-	__u64 features;
 	__u64 conn_flags;
 	__u64 attach_flags;
 	__u64 bus_flags;
@@ -598,7 +597,6 @@ enum kdbus_make_flags {
 /**
  * struct kdbus_cmd_make - struct to make a bus, an endpoint or a domain
  * @size:		The total size of the struct
- * @features:		Feature negotiation bitmask
  * @flags:		Properties for the bus/ep/domain to create
  * @items:		Items describing details
  *
@@ -607,7 +605,6 @@ enum kdbus_make_flags {
  */
 struct kdbus_cmd_make {
 	__u64 size;
-	__u64 features;
 	__u64 flags;
 	struct kdbus_item items[0];
 } __attribute__((aligned(8)));