* 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
#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
/**
* struct kdbus_notify_name_change - name registry change message
- * @old: ID and flags of former owner of a name
- * @now: ID and flags of new owner of a name
+ * @old_id: ID and flags of former owner of a name
+ * @new_id: ID and flags of new owner of a name
* @name: Well-known name
*
* Sent from kernel to userspace when the owner or activator of
* 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
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,
__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
* @KDBUS_ATTACH_CREDS: Credentials
* @KDBUS_ATTACH_AUXGROUPS: Auxiliary groups
* @KDBUS_ATTACH_NAMES: Well-known names
- * @KDBUS_ATTACH_COMM: The "comm" process identifier
+ * @KDBUS_ATTACH_COMM_TID: The "comm" process identifier of the TID
+ * @KDBUS_ATTACH_COMM_PID: The "comm" process identifier of the PID
* @KDBUS_ATTACH_EXE: The path of the executable
* @KDBUS_ATTACH_CMDLINE: The process command line
* @KDBUS_ATTACH_CGROUP: The croup membership
KDBUS_ATTACH_CREDS = 1ULL << 1,
KDBUS_ATTACH_AUXGROUPS = 1ULL << 2,
KDBUS_ATTACH_NAMES = 1ULL << 3,
- KDBUS_ATTACH_COMM = 1ULL << 4,
- KDBUS_ATTACH_EXE = 1ULL << 5,
- KDBUS_ATTACH_CMDLINE = 1ULL << 6,
- KDBUS_ATTACH_CGROUP = 1ULL << 7,
- KDBUS_ATTACH_CAPS = 1ULL << 8,
- KDBUS_ATTACH_SECLABEL = 1ULL << 9,
- KDBUS_ATTACH_AUDIT = 1ULL << 10,
- KDBUS_ATTACH_CONN_NAME = 1ULL << 11,
- _KDBUS_ATTACH_ALL = (1ULL << 12) - 1,
+ KDBUS_ATTACH_TID_COMM = 1ULL << 4,
+ KDBUS_ATTACH_PID_COMM = 1ULL << 5,
+ KDBUS_ATTACH_EXE = 1ULL << 6,
+ KDBUS_ATTACH_CMDLINE = 1ULL << 7,
+ KDBUS_ATTACH_CGROUP = 1ULL << 8,
+ KDBUS_ATTACH_CAPS = 1ULL << 9,
+ KDBUS_ATTACH_SECLABEL = 1ULL << 10,
+ KDBUS_ATTACH_AUDIT = 1ULL << 11,
+ KDBUS_ATTACH_CONN_NAME = 1ULL << 12,
+ _KDBUS_ATTACH_ALL = (1ULL << 13) - 1,
};
/**
* @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 flags;
__u64 id;
__u64 offset;
- char name[0];
+ struct kdbus_item items[0];
} __attribute__((aligned(8)));
/**
*/
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
struct kdbus_cmd_match {
__u64 size;
__u64 cookie;
+ __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,