/*
* udevd.h
*
- * Userspace devfs
- *
* Copyright (C) 2004 Ling, Xiaofeng <xiaofeng.ling@intel.com>
- * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
- *
+ * Copyright (C) 2004-2005 Kay Sievers <kay.sievers@vrfy.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
#include "list.h"
#define UDEV_MAGIC "udevd_" UDEV_VERSION
-#define EVENT_TIMEOUT_SEC 5
-#define UDEVSEND_CONNECT_RETRY 20 /* x 100 millisec */
-#define UDEVD_SOCK_PATH "udevd"
+#define UDEVD_SOCK_PATH "/org/kernel/udev/udevd"
+#define UDEVSEND_WAIT_MAX_SECONDS 3
+#define UDEVSEND_WAIT_LOOP_PER_SECOND 10
+
+#define UDEVD_PRIORITY -4
+#define UDEV_PRIORITY -2
+
+/* duration of initialization phase with shorter timeout */
+#define UDEVD_INIT_TIME 5
+#define UDEVD_INIT_EVENT_TIMEOUT 2
+
+/* timeout to wait for missing events */
+#define UDEVD_EVENT_TIMEOUT 5
+
+/* maximum limit of runnig childs */
+#define UDEVD_MAX_CHILDS 64
+/* start to throttle forking if maximum number of running childs in our session is reached */
+#define UDEVD_MAX_CHILDS_RUNNING 8
+
+/* environment buffer, should match the kernel's size in lib/kobject_uevent.h */
+#define UEVENT_BUFFER_SIZE 1024
+#define UEVENT_NUM_ENVP 32
+
+enum udevd_msg_type {
+ UDEVD_UNKNOWN,
+ UDEVD_UEVENT_UDEVSEND,
+ UDEVD_UEVENT_INITSEND,
+ UDEVD_UEVENT_NETLINK,
+ UDEVD_STOP_EXEC_QUEUE,
+ UDEVD_START_EXEC_QUEUE,
+ UDEVD_SET_LOG_LEVEL,
+ UDEVD_SET_MAX_CHILDS,
+};
+
+
+struct udevd_msg {
+ char magic[32];
+ enum udevd_msg_type type;
+ char envbuf[UEVENT_BUFFER_SIZE+512];
+};
-struct hotplug_msg {
- char magic[20];
- struct list_head list;
+struct uevent_msg {
+ enum udevd_msg_type type;
+ struct list_head node;
pid_t pid;
- int seqnum;
- time_t queue_time;
- char action[ACTION_SIZE];
- char devpath[DEVPATH_SIZE];
- char subsystem[SUBSYSTEM_SIZE];
+ long queue_time;
+ char *action;
+ char *devpath;
+ char *subsystem;
+ dev_t devt;
+ unsigned long long seqnum;
+ char *physdevpath;
+ unsigned int timeout;
+ char *envp[UEVENT_NUM_ENVP+1];
+ char envbuf[];
};