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Diffstat (limited to 'src/libsystemd-bus/kdbus.h')
-rw-r--r--src/libsystemd-bus/kdbus.h49
1 files changed, 29 insertions, 20 deletions
diff --git a/src/libsystemd-bus/kdbus.h b/src/libsystemd-bus/kdbus.h
index 4b3acae0e4..a597c87dc7 100644
--- a/src/libsystemd-bus/kdbus.h
+++ b/src/libsystemd-bus/kdbus.h
@@ -67,10 +67,11 @@ struct kdbus_timestamp {
/* Message Item Types */
enum {
+ KDBUS_MSG_NULL,
+
/* Filled in by userspace */
- KDBUS_MSG_NULL, /* empty record */
- KDBUS_MSG_PAYLOAD, /* .data */
- KDBUS_MSG_PAYLOAD_VEC, /* .data_vec */
+ KDBUS_MSG_PAYLOAD, /* .data, inline memory */
+ KDBUS_MSG_PAYLOAD_VEC, /* .data_vec, reference to memory area */
KDBUS_MSG_UNIX_FDS, /* .data_fds of file descriptors */
KDBUS_MSG_BLOOM, /* for broadcasts, carries bloom filter blob in .data */
KDBUS_MSG_DST_NAME, /* destination's well-known name, in .str */
@@ -98,9 +99,14 @@ enum {
KDBUS_MSG_REPLY_DEAD, /* dito */
};
+enum {
+ KDBUS_VEC_ALIGNED = 1 << 0,
+};
+
struct kdbus_vec {
__u64 address;
__u64 size;
+ __u64 flags;
};
/**
@@ -133,12 +139,12 @@ struct kdbus_msg_item {
};
enum {
- KDBUS_MSG_FLAGS_EXPECT_REPLY = 1,
- KDBUS_MSG_FLAGS_NO_AUTO_START = 2, /* possibly? */
+ KDBUS_MSG_FLAGS_EXPECT_REPLY = 1 << 0,
+ KDBUS_MSG_FLAGS_NO_AUTO_START = 1 << 1,
};
enum {
- KDBUS_PAYLOAD_NONE = 0,
+ KDBUS_PAYLOAD_NONE,
KDBUS_PAYLOAD_DBUS1 = 0x4442757356657231ULL, /* 'DBusVer1' */
KDBUS_PAYLOAD_GVARIANT = 0x4756617269616e74ULL, /* 'GVariant' */
};
@@ -169,20 +175,22 @@ struct kdbus_msg {
};
enum {
+ KDBUS_POLICY_NULL,
KDBUS_POLICY_NAME,
KDBUS_POLICY_ACCESS,
};
enum {
- KDBUS_POLICY_USER,
- KDBUS_POLICY_GROUP,
- KDBUS_POLICY_WORLD,
+ KDBUS_POLICY_ACCESS_NULL,
+ KDBUS_POLICY_ACCESS_USER,
+ KDBUS_POLICY_ACCESS_GROUP,
+ KDBUS_POLICY_ACCESS_WORLD,
};
enum {
- KDBUS_POLICY_RECV = 4,
- KDBUS_POLICY_SEND = 2,
- KDBUS_POLICY_OWN = 1,
+ KDBUS_POLICY_RECV = 1 << 2,
+ KDBUS_POLICY_SEND = 1 << 1,
+ KDBUS_POLICY_OWN = 1 << 0,
};
struct kdbus_policy {
@@ -207,7 +215,6 @@ struct kdbus_cmd_policy {
enum {
KDBUS_CMD_HELLO_STARTER = 1 << 0,
KDBUS_CMD_HELLO_ACCEPT_FD = 1 << 1,
- KDBUS_CMD_HELLO_ACCEPT_MMAP = 1 << 2,
/* The following have an effect on directed messages only --
* not for broadcasts */
@@ -223,9 +230,9 @@ enum {
/* Flags for kdbus_cmd_bus_make, kdbus_cmd_ep_make and
* kdbus_cmd_ns_make */
enum {
- KDBUS_ACCESS_GROUP = 1,
- KDBUS_ACCESS_WORLD = 2,
- KDBUS_POLICY_OPEN = 4,
+ KDBUS_ACCESS_GROUP = 1 << 0,
+ KDBUS_ACCESS_WORLD = 1 << 1,
+ KDBUS_POLICY_OPEN = 1 << 2,
};
/* Items to append to kdbus_cmd_bus_make, kdbus_cmd_ep_make and
@@ -316,12 +323,12 @@ struct kdbus_cmd_ns_make {
enum {
/* userspace → kernel */
- KDBUS_CMD_NAME_REPLACE_EXISTING = 1,
- KDBUS_CMD_NAME_QUEUE = 2,
- KDBUS_CMD_NAME_ALLOW_REPLACEMENT = 4,
+ KDBUS_CMD_NAME_REPLACE_EXISTING = 1 << 0,
+ KDBUS_CMD_NAME_QUEUE = 1 << 1,
+ KDBUS_CMD_NAME_ALLOW_REPLACEMENT = 1 << 2,
/* kernel → userspace */
- KDBUS_CMD_NAME_IN_QUEUE = 0x200,
+ KDBUS_CMD_NAME_IN_QUEUE = 1 << 16,
};
struct kdbus_cmd_name {
@@ -338,6 +345,7 @@ struct kdbus_cmd_names {
};
enum {
+ KDBUS_CMD_NAME_INFO_ITEM_NULL,
KDBUS_CMD_NAME_INFO_ITEM_NAME, /* userspace → kernel */
KDBUS_CMD_NAME_INFO_ITEM_SECLABEL, /* kernel → userspace */
KDBUS_CMD_NAME_INFO_ITEM_AUDIT, /* kernel → userspace */
@@ -358,6 +366,7 @@ struct kdbus_cmd_name_info {
};
enum {
+ KDBUS_CMD_MATCH_NULL,
KDBUS_CMD_MATCH_BLOOM, /* Matches a mask blob against KDBUS_MSG_BLOOM */
KDBUS_CMD_MATCH_SRC_NAME, /* Matches a name string against KDBUS_MSG_SRC_NAMES */
KDBUS_CMD_MATCH_NAME_ADD, /* Matches a name string against KDBUS_MSG_NAME_ADD */