vmwatchdog.c File Reference

#include <linux/init.h>
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/suspend.h>
#include <linux/watchdog.h>
#include <asm/ebcdic.h>
#include <asm/io.h>
#include <asm/uaccess.h>

Go to the source code of this file.

Macros
#define	KMSG_COMPONENT   "vmwatchdog"
#define	pr_fmt(fmt)   KMSG_COMPONENT ": " fmt
#define	MAX_CMDLEN   240
#define	MIN_INTERVAL   15
#define	VMWDT_OPEN   0 /* devnode is open or suspend in progress */
#define	VMWDT_RUNNING   1 /* The watchdog is armed */

Enumerations
enum	vmwdt_func { wdt_init = 0, wdt_change = 1, wdt_cancel = 2, wdt_conceal = 0x80000000 }

Functions
	MODULE_LICENSE ("GPL")
	MODULE_AUTHOR ("Arnd Bergmann <[email protected]>")
	MODULE_DESCRIPTION ("z/VM Watchdog Timer")
	module_param_string (cmd, vmwdt_cmd, MAX_CMDLEN, 0644)
	MODULE_PARM_DESC (cmd,"CP command that is run when the watchdog triggers")
	module_param_named (conceal, vmwdt_conceal, bool, 0644)
	MODULE_PARM_DESC (conceal,"Enable the CONCEAL CP option while the watchdog "" is active")
	module_param_named (nowayout, vmwdt_nowayout, bool, 0)
	MODULE_PARM_DESC (nowayout,"Watchdog cannot be stopped once started"" (default=CONFIG_WATCHDOG_NOWAYOUT)")
	MODULE_ALIAS_MISCDEV (WATCHDOG_MINOR)
	module_init (vmwdt_init)
	module_exit (vmwdt_exit)

Macro Definition Documentation

#define KMSG_COMPONENT   "vmwatchdog"

Definition at line 11 of file vmwatchdog.c.

#define MAX_CMDLEN   240

Definition at line 28 of file vmwatchdog.c.

#define MIN_INTERVAL   15

Definition at line 29 of file vmwatchdog.c.

#define pr_fmt

(

fmt

)

KMSG_COMPONENT ": " fmt

Definition at line 12 of file vmwatchdog.c.

#define VMWDT_OPEN   0 /* devnode is open or suspend in progress */

Definition at line 54 of file vmwatchdog.c.

#define VMWDT_RUNNING   1 /* The watchdog is armed */

Definition at line 55 of file vmwatchdog.c.

Enumeration Type Documentation

enum vmwdt_func

Enumerator:

wdt_init
wdt_change
wdt_cancel
wdt_conceal

Definition at line 57 of file vmwatchdog.c.

Function Documentation

MODULE_ALIAS_MISCDEV

(

WATCHDOG_MINOR

)

MODULE_AUTHOR

(

"Arnd Bergmann <[email protected]>"

)

MODULE_DESCRIPTION

(

"z/VM Watchdog Timer"

)

module_exit

(

vmwdt_exit

)

module_init

(

vmwdt_init

)

MODULE_LICENSE

(

"GPL"

)

module_param_named	(	conceal	,
		vmwdt_conceal	,
		bool	,
		0644
	)

module_param_named	(	nowayout	,
		vmwdt_nowayout	,
		bool	,
		0
	)

module_param_string	(	cmd	,
		vmwdt_cmd	,
		MAX_CMDLEN	,
		0644
	)

MODULE_PARM_DESC	(	cmd	,
		"CP command that is run when the watchdog triggers"
	)

MODULE_PARM_DESC	(	conceal	,
		"Enable the CONCEAL CP option while the watchdog "" is active"
	)

MODULE_PARM_DESC	(	nowayout	,
		"Watchdog cannot be stopped once started"" (default=CONFIG_WATCHDOG_NOWAYOUT)"
	)