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1 | This file provides information on the module parameters of many of |
2 | the Linux watchdog drivers. Watchdog driver parameter specs should | |
3 | be listed here unless the driver has its own driver-specific information | |
4 | file. | |
5 | ||
6 | ||
8c27ceff | 7 | See Documentation/admin-guide/kernel-parameters.rst for information on |
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8 | providing kernel parameters for builtin drivers versus loadable |
9 | modules. | |
10 | ||
11 | ||
12 | ------------------------------------------------- | |
13 | acquirewdt: | |
14 | wdt_stop: Acquire WDT 'stop' io port (default 0x43) | |
15 | wdt_start: Acquire WDT 'start' io port (default 0x443) | |
16 | nowayout: Watchdog cannot be stopped once started | |
17 | (default=kernel config parameter) | |
18 | ------------------------------------------------- | |
19 | advantechwdt: | |
20 | wdt_stop: Advantech WDT 'stop' io port (default 0x443) | |
21 | wdt_start: Advantech WDT 'start' io port (default 0x443) | |
22 | timeout: Watchdog timeout in seconds. 1<= timeout <=63, default=60. | |
23 | nowayout: Watchdog cannot be stopped once started | |
24 | (default=kernel config parameter) | |
25 | ------------------------------------------------- | |
26 | alim1535_wdt: | |
27 | timeout: Watchdog timeout in seconds. (0 < timeout < 18000, default=60 | |
28 | nowayout: Watchdog cannot be stopped once started | |
29 | (default=kernel config parameter) | |
30 | ------------------------------------------------- | |
31 | alim7101_wdt: | |
32 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30 | |
33 | use_gpio: Use the gpio watchdog (required by old cobalt boards). | |
34 | default=0/off/no | |
35 | nowayout: Watchdog cannot be stopped once started | |
36 | (default=kernel config parameter) | |
37 | ------------------------------------------------- | |
38 | ar7_wdt: | |
39 | margin: Watchdog margin in seconds (default=60) | |
40 | nowayout: Disable watchdog shutdown on close | |
41 | (default=kernel config parameter) | |
42 | ------------------------------------------------- | |
43 | at32ap700x_wdt: | |
44 | timeout: Timeout value. Limited to be 1 or 2 seconds. (default=2) | |
45 | nowayout: Watchdog cannot be stopped once started | |
46 | (default=kernel config parameter) | |
47 | ------------------------------------------------- | |
48 | at91rm9200_wdt: | |
49 | wdt_time: Watchdog time in seconds. (default=5) | |
50 | nowayout: Watchdog cannot be stopped once started | |
51 | (default=kernel config parameter) | |
52 | ------------------------------------------------- | |
53 | at91sam9_wdt: | |
54 | heartbeat: Watchdog heartbeats in seconds. (default = 15) | |
55 | nowayout: Watchdog cannot be stopped once started | |
56 | (default=kernel config parameter) | |
57 | ------------------------------------------------- | |
58 | bcm47xx_wdt: | |
59 | wdt_time: Watchdog time in seconds. (default=30) | |
60 | nowayout: Watchdog cannot be stopped once started | |
61 | (default=kernel config parameter) | |
62 | ------------------------------------------------- | |
63 | bfin_wdt: | |
64 | timeout: Watchdog timeout in seconds. (1<=timeout<=((2^32)/SCLK), default=20) | |
65 | nowayout: Watchdog cannot be stopped once started | |
66 | (default=kernel config parameter) | |
67 | ------------------------------------------------- | |
68 | coh901327_wdt: | |
69 | margin: Watchdog margin in seconds (default 60s) | |
70 | ------------------------------------------------- | |
71 | cpu5wdt: | |
72 | port: base address of watchdog card, default is 0x91 | |
73 | verbose: be verbose, default is 0 (no) | |
74 | ticks: count down ticks, default is 10000 | |
75 | ------------------------------------------------- | |
76 | cpwd: | |
77 | wd0_timeout: Default watchdog0 timeout in 1/10secs | |
78 | wd1_timeout: Default watchdog1 timeout in 1/10secs | |
79 | wd2_timeout: Default watchdog2 timeout in 1/10secs | |
80 | ------------------------------------------------- | |
664a0d78 AJ |
81 | da9052wdt: |
82 | timeout: Watchdog timeout in seconds. 2<= timeout <=131, default=2.048s | |
83 | nowayout: Watchdog cannot be stopped once started | |
84 | (default=kernel config parameter) | |
85 | ------------------------------------------------- | |
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86 | davinci_wdt: |
87 | heartbeat: Watchdog heartbeat period in seconds from 1 to 600, default 60 | |
88 | ------------------------------------------------- | |
ae67643e WBG |
89 | ebc-c384_wdt: |
90 | timeout: Watchdog timeout in seconds. (1<=timeout<=15300, default=60) | |
91 | nowayout: Watchdog cannot be stopped once started | |
92 | ------------------------------------------------- | |
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93 | ep93xx_wdt: |
94 | nowayout: Watchdog cannot be stopped once started | |
95 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=TBD) | |
96 | ------------------------------------------------- | |
97 | eurotechwdt: | |
98 | nowayout: Watchdog cannot be stopped once started | |
99 | (default=kernel config parameter) | |
100 | io: Eurotech WDT io port (default=0x3f0) | |
101 | irq: Eurotech WDT irq (default=10) | |
102 | ev: Eurotech WDT event type (default is `int') | |
103 | ------------------------------------------------- | |
104 | gef_wdt: | |
105 | nowayout: Watchdog cannot be stopped once started | |
106 | (default=kernel config parameter) | |
107 | ------------------------------------------------- | |
108 | geodewdt: | |
109 | timeout: Watchdog timeout in seconds. 1<= timeout <=131, default=60. | |
110 | nowayout: Watchdog cannot be stopped once started | |
111 | (default=kernel config parameter) | |
112 | ------------------------------------------------- | |
113 | i6300esb: | |
114 | heartbeat: Watchdog heartbeat in seconds. (1<heartbeat<2046, default=30) | |
115 | nowayout: Watchdog cannot be stopped once started | |
116 | (default=kernel config parameter) | |
117 | ------------------------------------------------- | |
118 | iTCO_wdt: | |
119 | heartbeat: Watchdog heartbeat in seconds. | |
1fccb730 | 120 | (5<=heartbeat<=74 (TCO v1) or 1226 (TCO v2), default=30) |
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121 | nowayout: Watchdog cannot be stopped once started |
122 | (default=kernel config parameter) | |
123 | ------------------------------------------------- | |
124 | iTCO_vendor_support: | |
125 | vendorsupport: iTCO vendor specific support mode, default=0 (none), | |
126 | 1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS | |
127 | ------------------------------------------------- | |
128 | ib700wdt: | |
129 | timeout: Watchdog timeout in seconds. 0<= timeout <=30, default=30. | |
130 | nowayout: Watchdog cannot be stopped once started | |
131 | (default=kernel config parameter) | |
132 | ------------------------------------------------- | |
133 | ibmasr: | |
134 | nowayout: Watchdog cannot be stopped once started | |
135 | (default=kernel config parameter) | |
136 | ------------------------------------------------- | |
476099a1 FE |
137 | imx2_wdt: |
138 | timeout: Watchdog timeout in seconds (default 60 s) | |
139 | nowayout: Watchdog cannot be stopped once started | |
140 | (default=kernel config parameter) | |
141 | ------------------------------------------------- | |
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142 | indydog: |
143 | nowayout: Watchdog cannot be stopped once started | |
144 | (default=kernel config parameter) | |
145 | ------------------------------------------------- | |
146 | iop_wdt: | |
147 | nowayout: Watchdog cannot be stopped once started | |
148 | (default=kernel config parameter) | |
149 | ------------------------------------------------- | |
150 | it8712f_wdt: | |
151 | margin: Watchdog margin in seconds (default 60) | |
152 | nowayout: Disable watchdog shutdown on close | |
153 | (default=kernel config parameter) | |
154 | ------------------------------------------------- | |
155 | it87_wdt: | |
156 | nogameport: Forbid the activation of game port, default=0 | |
0bcd0b6a MW |
157 | nocir: Forbid the use of CIR (workaround for some buggy setups); set to 1 if |
158 | system resets despite watchdog daemon running, default=0 | |
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159 | exclusive: Watchdog exclusive device open, default=1 |
160 | timeout: Watchdog timeout in seconds, default=60 | |
161 | testmode: Watchdog test mode (1 = no reboot), default=0 | |
162 | nowayout: Watchdog cannot be stopped once started | |
163 | (default=kernel config parameter) | |
164 | ------------------------------------------------- | |
165 | ixp2000_wdt: | |
166 | heartbeat: Watchdog heartbeat in seconds (default 60s) | |
167 | nowayout: Watchdog cannot be stopped once started | |
168 | (default=kernel config parameter) | |
169 | ------------------------------------------------- | |
170 | ixp4xx_wdt: | |
171 | heartbeat: Watchdog heartbeat in seconds (default 60s) | |
172 | nowayout: Watchdog cannot be stopped once started | |
173 | (default=kernel config parameter) | |
174 | ------------------------------------------------- | |
175 | ks8695_wdt: | |
176 | wdt_time: Watchdog time in seconds. (default=5) | |
177 | nowayout: Watchdog cannot be stopped once started | |
178 | (default=kernel config parameter) | |
179 | ------------------------------------------------- | |
180 | machzwd: | |
181 | nowayout: Watchdog cannot be stopped once started | |
182 | (default=kernel config parameter) | |
183 | action: after watchdog resets, generate: | |
184 | 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI | |
185 | ------------------------------------------------- | |
186 | max63xx_wdt: | |
187 | heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 60 | |
188 | nowayout: Watchdog cannot be stopped once started | |
189 | (default=kernel config parameter) | |
190 | nodelay: Force selection of a timeout setting without initial delay | |
191 | (max6373/74 only, default=0) | |
192 | ------------------------------------------------- | |
193 | mixcomwd: | |
194 | nowayout: Watchdog cannot be stopped once started | |
195 | (default=kernel config parameter) | |
196 | ------------------------------------------------- | |
197 | mpc8xxx_wdt: | |
198 | timeout: Watchdog timeout in ticks. (0<timeout<65536, default=65535) | |
199 | reset: Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset | |
200 | nowayout: Watchdog cannot be stopped once started | |
201 | (default=kernel config parameter) | |
202 | ------------------------------------------------- | |
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203 | mv64x60_wdt: |
204 | nowayout: Watchdog cannot be stopped once started | |
205 | (default=kernel config parameter) | |
206 | ------------------------------------------------- | |
70f39976 KR |
207 | ni903x_wdt: |
208 | timeout: Initial watchdog timeout in seconds (0<timeout<516, default=60) | |
209 | nowayout: Watchdog cannot be stopped once started | |
210 | (default=kernel config parameter) | |
211 | ------------------------------------------------- | |
98078ca3 HCO |
212 | nic7018_wdt: |
213 | timeout: Initial watchdog timeout in seconds (0<timeout<464, default=80) | |
214 | nowayout: Watchdog cannot be stopped once started | |
215 | (default=kernel config parameter) | |
216 | ------------------------------------------------- | |
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217 | nuc900_wdt: |
218 | heartbeat: Watchdog heartbeats in seconds. | |
219 | (default = 15) | |
220 | nowayout: Watchdog cannot be stopped once started | |
221 | (default=kernel config parameter) | |
222 | ------------------------------------------------- | |
223 | omap_wdt: | |
224 | timer_margin: initial watchdog timeout (in seconds) | |
b2102eb3 | 225 | early_enable: Watchdog is started on module insertion (default=0 |
a47911e9 LP |
226 | nowayout: Watchdog cannot be stopped once started |
227 | (default=kernel config parameter) | |
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228 | ------------------------------------------------- |
229 | orion_wdt: | |
230 | heartbeat: Initial watchdog heartbeat in seconds | |
231 | nowayout: Watchdog cannot be stopped once started | |
232 | (default=kernel config parameter) | |
233 | ------------------------------------------------- | |
234 | pc87413_wdt: | |
235 | io: pc87413 WDT I/O port (default: io). | |
236 | timeout: Watchdog timeout in minutes (default=timeout). | |
237 | nowayout: Watchdog cannot be stopped once started | |
238 | (default=kernel config parameter) | |
239 | ------------------------------------------------- | |
240 | pika_wdt: | |
241 | heartbeat: Watchdog heartbeats in seconds. (default = 15) | |
242 | nowayout: Watchdog cannot be stopped once started | |
243 | (default=kernel config parameter) | |
244 | ------------------------------------------------- | |
245 | pnx4008_wdt: | |
246 | heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 19 | |
247 | nowayout: Set to 1 to keep watchdog running after device release | |
248 | ------------------------------------------------- | |
249 | pnx833x_wdt: | |
250 | timeout: Watchdog timeout in Mhz. (68Mhz clock), default=2040000000 (30 seconds) | |
251 | nowayout: Watchdog cannot be stopped once started | |
252 | (default=kernel config parameter) | |
253 | start_enabled: Watchdog is started on module insertion (default=1) | |
254 | ------------------------------------------------- | |
255 | rc32434_wdt: | |
256 | timeout: Watchdog timeout value, in seconds (default=20) | |
257 | nowayout: Watchdog cannot be stopped once started | |
258 | (default=kernel config parameter) | |
259 | ------------------------------------------------- | |
260 | riowd: | |
261 | riowd_timeout: Watchdog timeout in minutes (default=1) | |
262 | ------------------------------------------------- | |
263 | s3c2410_wdt: | |
264 | tmr_margin: Watchdog tmr_margin in seconds. (default=15) | |
265 | tmr_atboot: Watchdog is started at boot time if set to 1, default=0 | |
266 | nowayout: Watchdog cannot be stopped once started | |
267 | (default=kernel config parameter) | |
268 | soft_noboot: Watchdog action, set to 1 to ignore reboots, 0 to reboot | |
269 | debug: Watchdog debug, set to >1 for debug, (default 0) | |
270 | ------------------------------------------------- | |
271 | sa1100_wdt: | |
272 | margin: Watchdog margin in seconds (default 60s) | |
273 | ------------------------------------------------- | |
274 | sb_wdog: | |
275 | timeout: Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs) | |
276 | ------------------------------------------------- | |
277 | sbc60xxwdt: | |
278 | wdt_stop: SBC60xx WDT 'stop' io port (default 0x45) | |
279 | wdt_start: SBC60xx WDT 'start' io port (default 0x443) | |
280 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30) | |
281 | nowayout: Watchdog cannot be stopped once started | |
282 | (default=kernel config parameter) | |
283 | ------------------------------------------------- | |
284 | sbc7240_wdt: | |
285 | timeout: Watchdog timeout in seconds. (1<=timeout<=255, default=30) | |
286 | nowayout: Disable watchdog when closing device file | |
287 | ------------------------------------------------- | |
288 | sbc8360: | |
289 | timeout: Index into timeout table (0-63) (default=27 (60s)) | |
290 | nowayout: Watchdog cannot be stopped once started | |
291 | (default=kernel config parameter) | |
292 | ------------------------------------------------- | |
293 | sbc_epx_c3: | |
294 | nowayout: Watchdog cannot be stopped once started | |
295 | (default=kernel config parameter) | |
296 | ------------------------------------------------- | |
297 | sbc_fitpc2_wdt: | |
298 | margin: Watchdog margin in seconds (default 60s) | |
299 | nowayout: Watchdog cannot be stopped once started | |
300 | ------------------------------------------------- | |
2fc94b5f FW |
301 | sbsa_gwdt: |
302 | timeout: Watchdog timeout in seconds. (default 10s) | |
303 | action: Watchdog action at the first stage timeout, | |
304 | set to 0 to ignore, 1 to panic. (default=0) | |
305 | nowayout: Watchdog cannot be stopped once started | |
306 | (default=kernel config parameter) | |
307 | ------------------------------------------------- | |
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308 | sc1200wdt: |
309 | isapnp: When set to 0 driver ISA PnP support will be disabled (default=1) | |
310 | io: io port | |
311 | timeout: range is 0-255 minutes, default is 1 | |
312 | nowayout: Watchdog cannot be stopped once started | |
313 | (default=kernel config parameter) | |
314 | ------------------------------------------------- | |
315 | sc520_wdt: | |
316 | timeout: Watchdog timeout in seconds. (1 <= timeout <= 3600, default=30) | |
317 | nowayout: Watchdog cannot be stopped once started | |
318 | (default=kernel config parameter) | |
319 | ------------------------------------------------- | |
320 | sch311x_wdt: | |
321 | force_id: Override the detected device ID | |
322 | therm_trip: Should a ThermTrip trigger the reset generator | |
323 | timeout: Watchdog timeout in seconds. 1<= timeout <=15300, default=60 | |
324 | nowayout: Watchdog cannot be stopped once started | |
325 | (default=kernel config parameter) | |
326 | ------------------------------------------------- | |
327 | scx200_wdt: | |
328 | margin: Watchdog margin in seconds | |
329 | nowayout: Disable watchdog shutdown on close | |
330 | ------------------------------------------------- | |
331 | shwdt: | |
332 | clock_division_ratio: Clock division ratio. Valid ranges are from 0x5 (1.31ms) | |
333 | to 0x7 (5.25ms). (default=7) | |
334 | heartbeat: Watchdog heartbeat in seconds. (1 <= heartbeat <= 3600, default=30 | |
335 | nowayout: Watchdog cannot be stopped once started | |
336 | (default=kernel config parameter) | |
337 | ------------------------------------------------- | |
338 | smsc37b787_wdt: | |
339 | timeout: range is 1-255 units, default is 60 | |
340 | nowayout: Watchdog cannot be stopped once started | |
341 | (default=kernel config parameter) | |
342 | ------------------------------------------------- | |
343 | softdog: | |
344 | soft_margin: Watchdog soft_margin in seconds. | |
345 | (0 < soft_margin < 65536, default=60) | |
346 | nowayout: Watchdog cannot be stopped once started | |
347 | (default=kernel config parameter) | |
348 | soft_noboot: Softdog action, set to 1 to ignore reboots, 0 to reboot | |
349 | (default=0) | |
350 | ------------------------------------------------- | |
351 | stmp3xxx_wdt: | |
352 | heartbeat: Watchdog heartbeat period in seconds from 1 to 4194304, default 19 | |
353 | ------------------------------------------------- | |
c33a1597 AC |
354 | tegra_wdt: |
355 | heartbeat: Watchdog heartbeats in seconds. (default = 120) | |
356 | nowayout: Watchdog cannot be stopped once started | |
357 | (default=kernel config parameter) | |
358 | ------------------------------------------------- | |
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359 | ts72xx_wdt: |
360 | timeout: Watchdog timeout in seconds. (1 <= timeout <= 8, default=8) | |
361 | nowayout: Disable watchdog shutdown on close | |
362 | ------------------------------------------------- | |
363 | twl4030_wdt: | |
364 | nowayout: Watchdog cannot be stopped once started | |
365 | (default=kernel config parameter) | |
366 | ------------------------------------------------- | |
367 | txx9wdt: | |
368 | timeout: Watchdog timeout in seconds. (0<timeout<N, default=60) | |
369 | nowayout: Watchdog cannot be stopped once started | |
370 | (default=kernel config parameter) | |
371 | ------------------------------------------------- | |
372 | w83627hf_wdt: | |
373 | wdt_io: w83627hf/thf WDT io port (default 0x2E) | |
374 | timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60. | |
375 | nowayout: Watchdog cannot be stopped once started | |
376 | (default=kernel config parameter) | |
377 | ------------------------------------------------- | |
378 | w83697hf_wdt: | |
379 | wdt_io: w83697hf/hg WDT io port (default 0x2e, 0 = autodetect) | |
380 | timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60) | |
381 | nowayout: Watchdog cannot be stopped once started | |
382 | (default=kernel config parameter) | |
383 | early_disable: Watchdog gets disabled at boot time (default=1) | |
384 | ------------------------------------------------- | |
385 | w83697ug_wdt: | |
386 | wdt_io: w83697ug/uf WDT io port (default 0x2e) | |
387 | timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60) | |
388 | nowayout: Watchdog cannot be stopped once started | |
389 | (default=kernel config parameter) | |
390 | ------------------------------------------------- | |
391 | w83877f_wdt: | |
392 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30) | |
393 | nowayout: Watchdog cannot be stopped once started | |
394 | (default=kernel config parameter) | |
395 | ------------------------------------------------- | |
396 | w83977f_wdt: | |
397 | timeout: Watchdog timeout in seconds (15..7635), default=45) | |
398 | testmode: Watchdog testmode (1 = no reboot), default=0 | |
399 | nowayout: Watchdog cannot be stopped once started | |
400 | (default=kernel config parameter) | |
401 | ------------------------------------------------- | |
402 | wafer5823wdt: | |
403 | timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60. | |
404 | nowayout: Watchdog cannot be stopped once started | |
405 | (default=kernel config parameter) | |
406 | ------------------------------------------------- | |
407 | wdt285: | |
408 | soft_margin: Watchdog timeout in seconds (default=60) | |
409 | ------------------------------------------------- | |
410 | wdt977: | |
411 | timeout: Watchdog timeout in seconds (60..15300, default=60) | |
412 | testmode: Watchdog testmode (1 = no reboot), default=0 | |
413 | nowayout: Watchdog cannot be stopped once started | |
414 | (default=kernel config parameter) | |
415 | ------------------------------------------------- | |
416 | wm831x_wdt: | |
417 | nowayout: Watchdog cannot be stopped once started | |
418 | (default=kernel config parameter) | |
419 | ------------------------------------------------- | |
420 | wm8350_wdt: | |
421 | nowayout: Watchdog cannot be stopped once started | |
422 | (default=kernel config parameter) | |
423 | ------------------------------------------------- | |
ca0bb079 | 424 | sun4v_wdt: |
425 | timeout_ms: Watchdog timeout in milliseconds 1..180000, default=60000) | |
426 | nowayout: Watchdog cannot be stopped once started | |
427 | ------------------------------------------------- |