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/*
* udevd.h
*
* Userspace devfs
*
* Copyright (C) 2004 Ling, Xiaofeng <xiaofeng.ling@intel.com>
* Copyright (C) 2004 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
* Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "list.h"
#define UDEV_MAGIC "udevd_" UDEV_VERSION
#define UDEVD_SOCK_PATH "udevd"
#define SEND_WAIT_MAX_SECONDS 3
#define SEND_WAIT_LOOP_PER_SECOND 10
#define UDEVD_PRIORITY -4
#define UDEV_PRIORITY -2
/* duration of initialization phase with shorter timeout */
#define INIT_TIME_SEC 5
#define EVENT_INIT_TIMEOUT_SEC 2
/* timeout to wait for missing events */
#define EVENT_TIMEOUT_SEC 10
/* start to throttle forking if maximum number of running childs in our session is reached */
#define THROTTLE_MAX_RUNNING_CHILDS 10
/* 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,
UDEVD_STOP_EXEC_QUEUE,
UDEVD_START_EXEC_QUEUE,
};
struct udevd_msg {
char magic[32];
enum udevd_msg_type type;
char envbuf[UEVENT_BUFFER_SIZE+512];
};
struct uevent_msg {
struct list_head node;
pid_t pid;
long queue_time;
char *action;
char *devpath;
char *subsystem;
unsigned long long seqnum;
char *physdevpath;
unsigned int timeout;
char *envp[UEVENT_NUM_ENVP+1];
char envbuf[];
};
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