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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 | ------------------------------------------------- | |
cd69606a MB |
43 | armada_37xx_wdt: |
44 | timeout: Watchdog timeout in seconds. (default=120) | |
45 | nowayout: Disable watchdog shutdown on close | |
46 | (default=kernel config parameter) | |
47 | ------------------------------------------------- | |
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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 | ------------------------------------------------- | |
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63 | coh901327_wdt: |
64 | margin: Watchdog margin in seconds (default 60s) | |
65 | ------------------------------------------------- | |
66 | cpu5wdt: | |
67 | port: base address of watchdog card, default is 0x91 | |
68 | verbose: be verbose, default is 0 (no) | |
69 | ticks: count down ticks, default is 10000 | |
70 | ------------------------------------------------- | |
71 | cpwd: | |
72 | wd0_timeout: Default watchdog0 timeout in 1/10secs | |
73 | wd1_timeout: Default watchdog1 timeout in 1/10secs | |
74 | wd2_timeout: Default watchdog2 timeout in 1/10secs | |
75 | ------------------------------------------------- | |
664a0d78 AJ |
76 | da9052wdt: |
77 | timeout: Watchdog timeout in seconds. 2<= timeout <=131, default=2.048s | |
78 | nowayout: Watchdog cannot be stopped once started | |
79 | (default=kernel config parameter) | |
80 | ------------------------------------------------- | |
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81 | davinci_wdt: |
82 | heartbeat: Watchdog heartbeat period in seconds from 1 to 600, default 60 | |
83 | ------------------------------------------------- | |
ae67643e WBG |
84 | ebc-c384_wdt: |
85 | timeout: Watchdog timeout in seconds. (1<=timeout<=15300, default=60) | |
86 | nowayout: Watchdog cannot be stopped once started | |
87 | ------------------------------------------------- | |
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88 | ep93xx_wdt: |
89 | nowayout: Watchdog cannot be stopped once started | |
90 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=TBD) | |
91 | ------------------------------------------------- | |
92 | eurotechwdt: | |
93 | nowayout: Watchdog cannot be stopped once started | |
94 | (default=kernel config parameter) | |
95 | io: Eurotech WDT io port (default=0x3f0) | |
96 | irq: Eurotech WDT irq (default=10) | |
97 | ev: Eurotech WDT event type (default is `int') | |
98 | ------------------------------------------------- | |
99 | gef_wdt: | |
100 | nowayout: Watchdog cannot be stopped once started | |
101 | (default=kernel config parameter) | |
102 | ------------------------------------------------- | |
103 | geodewdt: | |
104 | timeout: Watchdog timeout in seconds. 1<= timeout <=131, default=60. | |
105 | nowayout: Watchdog cannot be stopped once started | |
106 | (default=kernel config parameter) | |
107 | ------------------------------------------------- | |
108 | i6300esb: | |
109 | heartbeat: Watchdog heartbeat in seconds. (1<heartbeat<2046, default=30) | |
110 | nowayout: Watchdog cannot be stopped once started | |
111 | (default=kernel config parameter) | |
112 | ------------------------------------------------- | |
113 | iTCO_wdt: | |
114 | heartbeat: Watchdog heartbeat in seconds. | |
fc61e83a | 115 | (2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=30) |
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116 | nowayout: Watchdog cannot be stopped once started |
117 | (default=kernel config parameter) | |
118 | ------------------------------------------------- | |
119 | iTCO_vendor_support: | |
120 | vendorsupport: iTCO vendor specific support mode, default=0 (none), | |
121 | 1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS | |
122 | ------------------------------------------------- | |
123 | ib700wdt: | |
124 | timeout: Watchdog timeout in seconds. 0<= timeout <=30, default=30. | |
125 | nowayout: Watchdog cannot be stopped once started | |
126 | (default=kernel config parameter) | |
127 | ------------------------------------------------- | |
128 | ibmasr: | |
129 | nowayout: Watchdog cannot be stopped once started | |
130 | (default=kernel config parameter) | |
131 | ------------------------------------------------- | |
476099a1 FE |
132 | imx2_wdt: |
133 | timeout: Watchdog timeout in seconds (default 60 s) | |
134 | nowayout: Watchdog cannot be stopped once started | |
135 | (default=kernel config parameter) | |
136 | ------------------------------------------------- | |
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137 | indydog: |
138 | nowayout: Watchdog cannot be stopped once started | |
139 | (default=kernel config parameter) | |
140 | ------------------------------------------------- | |
141 | iop_wdt: | |
142 | nowayout: Watchdog cannot be stopped once started | |
143 | (default=kernel config parameter) | |
144 | ------------------------------------------------- | |
145 | it8712f_wdt: | |
146 | margin: Watchdog margin in seconds (default 60) | |
147 | nowayout: Disable watchdog shutdown on close | |
148 | (default=kernel config parameter) | |
149 | ------------------------------------------------- | |
150 | it87_wdt: | |
151 | nogameport: Forbid the activation of game port, default=0 | |
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152 | nocir: Forbid the use of CIR (workaround for some buggy setups); set to 1 if |
153 | system resets despite watchdog daemon running, default=0 | |
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154 | exclusive: Watchdog exclusive device open, default=1 |
155 | timeout: Watchdog timeout in seconds, default=60 | |
156 | testmode: Watchdog test mode (1 = no reboot), default=0 | |
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157 | nowayout: Watchdog cannot be stopped once started |
158 | (default=kernel config parameter) | |
159 | ------------------------------------------------- | |
160 | ixp4xx_wdt: | |
161 | heartbeat: Watchdog heartbeat in seconds (default 60s) | |
162 | nowayout: Watchdog cannot be stopped once started | |
163 | (default=kernel config parameter) | |
164 | ------------------------------------------------- | |
165 | ks8695_wdt: | |
166 | wdt_time: Watchdog time in seconds. (default=5) | |
167 | nowayout: Watchdog cannot be stopped once started | |
168 | (default=kernel config parameter) | |
169 | ------------------------------------------------- | |
170 | machzwd: | |
171 | nowayout: Watchdog cannot be stopped once started | |
172 | (default=kernel config parameter) | |
173 | action: after watchdog resets, generate: | |
174 | 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI | |
175 | ------------------------------------------------- | |
176 | max63xx_wdt: | |
177 | heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 60 | |
178 | nowayout: Watchdog cannot be stopped once started | |
179 | (default=kernel config parameter) | |
180 | nodelay: Force selection of a timeout setting without initial delay | |
181 | (max6373/74 only, default=0) | |
182 | ------------------------------------------------- | |
183 | mixcomwd: | |
184 | nowayout: Watchdog cannot be stopped once started | |
185 | (default=kernel config parameter) | |
186 | ------------------------------------------------- | |
187 | mpc8xxx_wdt: | |
188 | timeout: Watchdog timeout in ticks. (0<timeout<65536, default=65535) | |
189 | reset: Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset | |
190 | nowayout: Watchdog cannot be stopped once started | |
191 | (default=kernel config parameter) | |
192 | ------------------------------------------------- | |
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193 | mv64x60_wdt: |
194 | nowayout: Watchdog cannot be stopped once started | |
195 | (default=kernel config parameter) | |
196 | ------------------------------------------------- | |
70f39976 KR |
197 | ni903x_wdt: |
198 | timeout: Initial watchdog timeout in seconds (0<timeout<516, default=60) | |
199 | nowayout: Watchdog cannot be stopped once started | |
200 | (default=kernel config parameter) | |
201 | ------------------------------------------------- | |
98078ca3 HCO |
202 | nic7018_wdt: |
203 | timeout: Initial watchdog timeout in seconds (0<timeout<464, default=80) | |
204 | nowayout: Watchdog cannot be stopped once started | |
205 | (default=kernel config parameter) | |
206 | ------------------------------------------------- | |
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207 | nuc900_wdt: |
208 | heartbeat: Watchdog heartbeats in seconds. | |
209 | (default = 15) | |
210 | nowayout: Watchdog cannot be stopped once started | |
211 | (default=kernel config parameter) | |
212 | ------------------------------------------------- | |
213 | omap_wdt: | |
214 | timer_margin: initial watchdog timeout (in seconds) | |
b2102eb3 | 215 | early_enable: Watchdog is started on module insertion (default=0 |
a47911e9 LP |
216 | nowayout: Watchdog cannot be stopped once started |
217 | (default=kernel config parameter) | |
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218 | ------------------------------------------------- |
219 | orion_wdt: | |
220 | heartbeat: Initial watchdog heartbeat in seconds | |
221 | nowayout: Watchdog cannot be stopped once started | |
222 | (default=kernel config parameter) | |
223 | ------------------------------------------------- | |
224 | pc87413_wdt: | |
225 | io: pc87413 WDT I/O port (default: io). | |
226 | timeout: Watchdog timeout in minutes (default=timeout). | |
227 | nowayout: Watchdog cannot be stopped once started | |
228 | (default=kernel config parameter) | |
229 | ------------------------------------------------- | |
230 | pika_wdt: | |
231 | heartbeat: Watchdog heartbeats in seconds. (default = 15) | |
232 | nowayout: Watchdog cannot be stopped once started | |
233 | (default=kernel config parameter) | |
234 | ------------------------------------------------- | |
235 | pnx4008_wdt: | |
236 | heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 19 | |
237 | nowayout: Set to 1 to keep watchdog running after device release | |
238 | ------------------------------------------------- | |
239 | pnx833x_wdt: | |
240 | timeout: Watchdog timeout in Mhz. (68Mhz clock), default=2040000000 (30 seconds) | |
241 | nowayout: Watchdog cannot be stopped once started | |
242 | (default=kernel config parameter) | |
243 | start_enabled: Watchdog is started on module insertion (default=1) | |
244 | ------------------------------------------------- | |
245 | rc32434_wdt: | |
246 | timeout: Watchdog timeout value, in seconds (default=20) | |
247 | nowayout: Watchdog cannot be stopped once started | |
248 | (default=kernel config parameter) | |
249 | ------------------------------------------------- | |
250 | riowd: | |
251 | riowd_timeout: Watchdog timeout in minutes (default=1) | |
252 | ------------------------------------------------- | |
253 | s3c2410_wdt: | |
254 | tmr_margin: Watchdog tmr_margin in seconds. (default=15) | |
255 | tmr_atboot: Watchdog is started at boot time if set to 1, default=0 | |
256 | nowayout: Watchdog cannot be stopped once started | |
257 | (default=kernel config parameter) | |
258 | soft_noboot: Watchdog action, set to 1 to ignore reboots, 0 to reboot | |
259 | debug: Watchdog debug, set to >1 for debug, (default 0) | |
260 | ------------------------------------------------- | |
261 | sa1100_wdt: | |
262 | margin: Watchdog margin in seconds (default 60s) | |
263 | ------------------------------------------------- | |
264 | sb_wdog: | |
265 | timeout: Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs) | |
266 | ------------------------------------------------- | |
267 | sbc60xxwdt: | |
268 | wdt_stop: SBC60xx WDT 'stop' io port (default 0x45) | |
269 | wdt_start: SBC60xx WDT 'start' io port (default 0x443) | |
270 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30) | |
271 | nowayout: Watchdog cannot be stopped once started | |
272 | (default=kernel config parameter) | |
273 | ------------------------------------------------- | |
274 | sbc7240_wdt: | |
275 | timeout: Watchdog timeout in seconds. (1<=timeout<=255, default=30) | |
276 | nowayout: Disable watchdog when closing device file | |
277 | ------------------------------------------------- | |
278 | sbc8360: | |
279 | timeout: Index into timeout table (0-63) (default=27 (60s)) | |
280 | nowayout: Watchdog cannot be stopped once started | |
281 | (default=kernel config parameter) | |
282 | ------------------------------------------------- | |
283 | sbc_epx_c3: | |
284 | nowayout: Watchdog cannot be stopped once started | |
285 | (default=kernel config parameter) | |
286 | ------------------------------------------------- | |
287 | sbc_fitpc2_wdt: | |
288 | margin: Watchdog margin in seconds (default 60s) | |
289 | nowayout: Watchdog cannot be stopped once started | |
290 | ------------------------------------------------- | |
2fc94b5f FW |
291 | sbsa_gwdt: |
292 | timeout: Watchdog timeout in seconds. (default 10s) | |
293 | action: Watchdog action at the first stage timeout, | |
294 | set to 0 to ignore, 1 to panic. (default=0) | |
295 | nowayout: Watchdog cannot be stopped once started | |
296 | (default=kernel config parameter) | |
297 | ------------------------------------------------- | |
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298 | sc1200wdt: |
299 | isapnp: When set to 0 driver ISA PnP support will be disabled (default=1) | |
300 | io: io port | |
301 | timeout: range is 0-255 minutes, default is 1 | |
302 | nowayout: Watchdog cannot be stopped once started | |
303 | (default=kernel config parameter) | |
304 | ------------------------------------------------- | |
305 | sc520_wdt: | |
306 | timeout: Watchdog timeout in seconds. (1 <= timeout <= 3600, default=30) | |
307 | nowayout: Watchdog cannot be stopped once started | |
308 | (default=kernel config parameter) | |
309 | ------------------------------------------------- | |
310 | sch311x_wdt: | |
311 | force_id: Override the detected device ID | |
312 | therm_trip: Should a ThermTrip trigger the reset generator | |
313 | timeout: Watchdog timeout in seconds. 1<= timeout <=15300, default=60 | |
314 | nowayout: Watchdog cannot be stopped once started | |
315 | (default=kernel config parameter) | |
316 | ------------------------------------------------- | |
317 | scx200_wdt: | |
318 | margin: Watchdog margin in seconds | |
319 | nowayout: Disable watchdog shutdown on close | |
320 | ------------------------------------------------- | |
321 | shwdt: | |
322 | clock_division_ratio: Clock division ratio. Valid ranges are from 0x5 (1.31ms) | |
323 | to 0x7 (5.25ms). (default=7) | |
324 | heartbeat: Watchdog heartbeat in seconds. (1 <= heartbeat <= 3600, default=30 | |
325 | nowayout: Watchdog cannot be stopped once started | |
326 | (default=kernel config parameter) | |
327 | ------------------------------------------------- | |
328 | smsc37b787_wdt: | |
329 | timeout: range is 1-255 units, default is 60 | |
330 | nowayout: Watchdog cannot be stopped once started | |
331 | (default=kernel config parameter) | |
332 | ------------------------------------------------- | |
333 | softdog: | |
334 | soft_margin: Watchdog soft_margin in seconds. | |
335 | (0 < soft_margin < 65536, default=60) | |
336 | nowayout: Watchdog cannot be stopped once started | |
337 | (default=kernel config parameter) | |
338 | soft_noboot: Softdog action, set to 1 to ignore reboots, 0 to reboot | |
339 | (default=0) | |
340 | ------------------------------------------------- | |
341 | stmp3xxx_wdt: | |
342 | heartbeat: Watchdog heartbeat period in seconds from 1 to 4194304, default 19 | |
343 | ------------------------------------------------- | |
c33a1597 AC |
344 | tegra_wdt: |
345 | heartbeat: Watchdog heartbeats in seconds. (default = 120) | |
346 | nowayout: Watchdog cannot be stopped once started | |
347 | (default=kernel config parameter) | |
348 | ------------------------------------------------- | |
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349 | ts72xx_wdt: |
350 | timeout: Watchdog timeout in seconds. (1 <= timeout <= 8, default=8) | |
351 | nowayout: Disable watchdog shutdown on close | |
352 | ------------------------------------------------- | |
353 | twl4030_wdt: | |
354 | nowayout: Watchdog cannot be stopped once started | |
355 | (default=kernel config parameter) | |
356 | ------------------------------------------------- | |
357 | txx9wdt: | |
358 | timeout: Watchdog timeout in seconds. (0<timeout<N, default=60) | |
359 | nowayout: Watchdog cannot be stopped once started | |
360 | (default=kernel config parameter) | |
361 | ------------------------------------------------- | |
e7bf0289 KH |
362 | uniphier_wdt: |
363 | timeout: Watchdog timeout in power of two seconds. | |
364 | (1 <= timeout <= 128, default=64) | |
365 | nowayout: Watchdog cannot be stopped once started | |
366 | (default=kernel config parameter) | |
367 | ------------------------------------------------- | |
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368 | w83627hf_wdt: |
369 | wdt_io: w83627hf/thf WDT io port (default 0x2E) | |
370 | timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60. | |
371 | nowayout: Watchdog cannot be stopped once started | |
372 | (default=kernel config parameter) | |
373 | ------------------------------------------------- | |
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374 | w83877f_wdt: |
375 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30) | |
376 | nowayout: Watchdog cannot be stopped once started | |
377 | (default=kernel config parameter) | |
378 | ------------------------------------------------- | |
379 | w83977f_wdt: | |
380 | timeout: Watchdog timeout in seconds (15..7635), default=45) | |
381 | testmode: Watchdog testmode (1 = no reboot), default=0 | |
382 | nowayout: Watchdog cannot be stopped once started | |
383 | (default=kernel config parameter) | |
384 | ------------------------------------------------- | |
385 | wafer5823wdt: | |
386 | timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60. | |
387 | nowayout: Watchdog cannot be stopped once started | |
388 | (default=kernel config parameter) | |
389 | ------------------------------------------------- | |
390 | wdt285: | |
391 | soft_margin: Watchdog timeout in seconds (default=60) | |
392 | ------------------------------------------------- | |
393 | wdt977: | |
394 | timeout: Watchdog timeout in seconds (60..15300, default=60) | |
395 | testmode: Watchdog testmode (1 = no reboot), default=0 | |
396 | nowayout: Watchdog cannot be stopped once started | |
397 | (default=kernel config parameter) | |
398 | ------------------------------------------------- | |
399 | wm831x_wdt: | |
400 | nowayout: Watchdog cannot be stopped once started | |
401 | (default=kernel config parameter) | |
402 | ------------------------------------------------- | |
403 | wm8350_wdt: | |
404 | nowayout: Watchdog cannot be stopped once started | |
405 | (default=kernel config parameter) | |
406 | ------------------------------------------------- | |
ca0bb079 | 407 | sun4v_wdt: |
408 | timeout_ms: Watchdog timeout in milliseconds 1..180000, default=60000) | |
409 | nowayout: Watchdog cannot be stopped once started | |
410 | ------------------------------------------------- |