__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
* enum kdbus_hello_flags - flags for struct kdbus_cmd_hello
* @KDBUS_HELLO_ACCEPT_FD: The connection allows the reception of
* any passed file descriptors
+ * @KDBUS_HELLO_ACCEPT_MEMFD: The connection allows the reception of
+ * any passed memfd file descriptors
* @KDBUS_HELLO_ACTIVATOR: Special-purpose connection which registers
* a well-know name for a process to be started
* when traffic arrives
*/
enum kdbus_hello_flags {
KDBUS_HELLO_ACCEPT_FD = 1ULL << 0,
- KDBUS_HELLO_ACTIVATOR = 1ULL << 1,
- KDBUS_HELLO_POLICY_HOLDER = 1ULL << 2,
- KDBUS_HELLO_MONITOR = 1ULL << 3,
+ KDBUS_HELLO_ACCEPT_MEMFD = 1ULL << 1,
+ KDBUS_HELLO_ACTIVATOR = 1ULL << 2,
+ KDBUS_HELLO_POLICY_HOLDER = 1ULL << 3,
+ KDBUS_HELLO_MONITOR = 1ULL << 4,
};
/**
/**
* 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_*)
*/
struct kdbus_cmd_hello {
__u64 size;
+ __u64 features;
__u64 conn_flags;
__u64 attach_flags;
__u64 bus_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)));
*/
struct kdbus_cmd_update {
__u64 size;
+ __u64 flags;
struct kdbus_item items[0];
} __attribute__((aligned(8)));
* 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.
* @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.
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,
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),
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,