bus-proxyd: improve compatibility with dbus-1

[elogind.git] / src / libsystemd / sd-bus / kdbus.h

diff --git a/src/libsystemd/sd-bus/kdbus.h b/src/libsystemd/sd-bus/kdbus.h
index 77a153be3793fbdb92ccf9a63de46267b1afdad0..79a17f3449a55cd9ce36019f1a90e0e99c85a4eb 100644 (file)
--- a/src/libsystemd/sd-bus/kdbus.h
+++ b/src/libsystemd/sd-bus/kdbus.h
@@ -4,6 +4,7 @@
  * Copyright (C) 2013-2014 Linux Foundation
  * Copyright (C) 2013-2014 Lennart Poettering
  * Copyright (C) 2013-2014 Daniel Mack <daniel@zonque.org>
+ * Copyright (C) 2013-2014 David Herrmann <dh.herrmann@gmail.com>
  *
  * kdbus is free software; you can redistribute it and/or modify it under
  * the terms of the GNU Lesser General Public License as published by the
@@ -212,7 +213,6 @@ struct kdbus_policy_access {
  *                             bloom filter
  * @KDBUS_ITEM_DST_NAME:       Destination's well-known name
  * @KDBUS_ITEM_MAKE_NAME:      Name of domain, bus, endpoint
- * @KDBUS_ITEM_MEMFD_NAME:     The human readable name of a memfd (debugging)
  * @KDBUS_ITEM_ATTACH_FLAGS:   Attach-flags, used for updating which metadata
  *                             a connection subscribes to
  * @_KDBUS_ITEM_ATTACH_BASE:   Start of metadata attach items
@@ -253,7 +253,6 @@ enum kdbus_item_type {
        KDBUS_ITEM_BLOOM_MASK,
        KDBUS_ITEM_DST_NAME,
        KDBUS_ITEM_MAKE_NAME,
-       KDBUS_ITEM_MEMFD_NAME,
        KDBUS_ITEM_ATTACH_FLAGS,
 
        _KDBUS_ITEM_ATTACH_BASE = 0x1000,
@@ -444,6 +443,31 @@ struct kdbus_cmd_recv {
        __u64 offset;
 } __attribute__((aligned(8)));
 
+/**
+ * struct kdbus_cmd_cancel - struct to cancel a synchronously pending message
+ * @cookie             The cookie of the pending message
+ * @flags              Flags for the free command. Currently unused.
+ *
+ * This struct is used with the KDBUS_CMD_CANCEL ioctl.
+ */
+struct kdbus_cmd_cancel {
+       __u64 cookie;
+       __u64 flags;
+} __attribute__((aligned(8)));
+
+/**
+ * struct kdbus_cmd_free - struct to free a slice of memory in the pool
+ * @offset             The offset of the memory slice, as returned by other
+ *                     ioctls
+ * @flags              Flags for the free command. Currently unused.
+ *
+ * This struct is used with the KDBUS_CMD_FREE ioctl.
+ */
+struct kdbus_cmd_free {
+       __u64 offset;
+       __u64 flags;
+} __attribute__((aligned(8)));
+
 /**
  * enum kdbus_policy_access_type - permissions of a policy record
  * @_KDBUS_POLICY_ACCESS_NULL: Uninitialized/invalid
@@ -530,6 +554,7 @@ 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_*)
@@ -549,6 +574,7 @@ enum kdbus_attach_flags {
  */
 struct kdbus_cmd_hello {
        __u64 size;
+       __u64 features;
        __u64 conn_flags;
        __u64 attach_flags;
        __u64 bus_flags;
@@ -572,14 +598,16 @@ 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
  *
- * This structure is used with the KDBUS_CMD_BUS_MAKE, KDBUS_CMD_EP_MAKE and
- * KDBUS_CMD_DOMAIN_MAKE ioctls.
+ * This structure is used with the KDBUS_CMD_BUS_MAKE, KDBUS_CMD_ENDPOINT_MAKE
+ * and KDBUS_CMD_DOMAIN_MAKE ioctls.
  */
 struct kdbus_cmd_make {
        __u64 size;
+       __u64 features;
        __u64 flags;
        struct kdbus_item items[0];
 } __attribute__((aligned(8)));
@@ -682,7 +710,7 @@ struct kdbus_cmd_conn_info {
        __u64 flags;
        __u64 id;
        __u64 offset;
-       char name[0];
+       struct kdbus_item items[0];
 } __attribute__((aligned(8)));
 
 /**
@@ -711,9 +739,20 @@ struct kdbus_conn_info {
  */
 struct kdbus_cmd_update {
        __u64 size;
+       __u64 flags;
        struct kdbus_item items[0];
 } __attribute__((aligned(8)));
 
+/**
+ * enum kdbus_cmd_match_flags - flags to control the KDBUS_CMD_MATCH_ADD ioctl
+ * @KDBUS_MATCH_REPLACE:       If entries with the supplied cookie already
+ *                             exists, remove them before installing the new
+ *                             matches.
+ */
+enum kdbus_cmd_match_flags {
+       KDBUS_MATCH_REPLACE     = 1ULL <<  0,
+};
+
 /**
  * struct kdbus_cmd_match - struct to add or remove matches
  * @size:              The total size of the struct
@@ -727,6 +766,7 @@ struct kdbus_cmd_update {
 struct kdbus_cmd_match {
        __u64 size;
        __u64 cookie;
+       __u64 flags;
        struct kdbus_item items[0];
 } __attribute__((aligned(8)));
 
@@ -739,7 +779,7 @@ struct kdbus_cmd_match {
  *                             is closed.
  * @KDBUS_CMD_DOMAIN_MAKE:     Similar to KDBUS_CMD_BUS_MAKE, but it creates a
  *                             new kdbus domain.
- * @KDBUS_CMD_EP_MAKE:         Creates a new named special endpoint to talk to
+ * @KDBUS_CMD_ENDPOINT_MAKE:   Creates a new named special endpoint to talk to
  *                             the bus. Such endpoints usually carry a more
  *                             restrictive policy and grant restricted access
  *                             to specific applications.
@@ -775,7 +815,7 @@ struct kdbus_cmd_match {
  * @KDBUS_CMD_CONN_UPDATE:     Update the properties of a connection. Used to
  *                             update the metadata subscription mask and
  *                             policy.
- * @KDBUS_CMD_EP_UPDATE:       Update the properties of a custom enpoint. Used
+ * @KDBUS_CMD_ENDPOINT_UPDATE: Update the properties of a custom enpoint. Used
  *                             to update the policy.
  * @KDBUS_CMD_MATCH_ADD:       Install a match which broadcast messages should
  *                             be delivered to the connection.
@@ -786,7 +826,7 @@ enum kdbus_ioctl_type {
                                             struct kdbus_cmd_make),
        KDBUS_CMD_DOMAIN_MAKE =         _IOW(KDBUS_IOCTL_MAGIC, 0x10,
                                             struct kdbus_cmd_make),
-       KDBUS_CMD_EP_MAKE =             _IOW(KDBUS_IOCTL_MAGIC, 0x20,
+       KDBUS_CMD_ENDPOINT_MAKE =       _IOW(KDBUS_IOCTL_MAGIC, 0x20,
                                             struct kdbus_cmd_make),
 
        KDBUS_CMD_HELLO =               _IOWR(KDBUS_IOCTL_MAGIC, 0x30,
@@ -797,8 +837,10 @@ enum kdbus_ioctl_type {
                                              struct kdbus_msg),
        KDBUS_CMD_MSG_RECV =            _IOWR(KDBUS_IOCTL_MAGIC, 0x41,
                                              struct kdbus_cmd_recv),
-       KDBUS_CMD_MSG_CANCEL =          _IOW(KDBUS_IOCTL_MAGIC, 0x42, __u64 *),
-       KDBUS_CMD_FREE =                _IOW(KDBUS_IOCTL_MAGIC, 0x43, __u64 *),
+       KDBUS_CMD_MSG_CANCEL =          _IOW(KDBUS_IOCTL_MAGIC, 0x42,
+                                            struct kdbus_cmd_cancel),
+       KDBUS_CMD_FREE =                _IOW(KDBUS_IOCTL_MAGIC, 0x43,
+                                            struct kdbus_cmd_free),
 
        KDBUS_CMD_NAME_ACQUIRE =        _IOWR(KDBUS_IOCTL_MAGIC, 0x50,
                                              struct kdbus_cmd_name),
@@ -812,7 +854,7 @@ enum kdbus_ioctl_type {
        KDBUS_CMD_CONN_UPDATE =         _IOW(KDBUS_IOCTL_MAGIC, 0x61,
                                             struct kdbus_cmd_update),
 
-       KDBUS_CMD_EP_UPDATE =           _IOW(KDBUS_IOCTL_MAGIC, 0x71,
+       KDBUS_CMD_ENDPOINT_UPDATE =     _IOW(KDBUS_IOCTL_MAGIC, 0x71,
                                             struct kdbus_cmd_update),
 
        KDBUS_CMD_MATCH_ADD =           _IOW(KDBUS_IOCTL_MAGIC, 0x80,