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Diffstat (limited to 'Documentation/watchdog/watchdog-parameters.txt')
-rw-r--r-- | Documentation/watchdog/watchdog-parameters.txt | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/Documentation/watchdog/watchdog-parameters.txt b/Documentation/watchdog/watchdog-parameters.txt new file mode 100644 index 000000000000..17ddd822b456 --- /dev/null +++ b/Documentation/watchdog/watchdog-parameters.txt | |||
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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 | |||
7 | See Documentation/kernel-parameters.txt for information on | ||
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 | ------------------------------------------------- | ||
81 | davinci_wdt: | ||
82 | heartbeat: Watchdog heartbeat period in seconds from 1 to 600, default 60 | ||
83 | ------------------------------------------------- | ||
84 | ep93xx_wdt: | ||
85 | nowayout: Watchdog cannot be stopped once started | ||
86 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=TBD) | ||
87 | ------------------------------------------------- | ||
88 | eurotechwdt: | ||
89 | nowayout: Watchdog cannot be stopped once started | ||
90 | (default=kernel config parameter) | ||
91 | io: Eurotech WDT io port (default=0x3f0) | ||
92 | irq: Eurotech WDT irq (default=10) | ||
93 | ev: Eurotech WDT event type (default is `int') | ||
94 | ------------------------------------------------- | ||
95 | gef_wdt: | ||
96 | nowayout: Watchdog cannot be stopped once started | ||
97 | (default=kernel config parameter) | ||
98 | ------------------------------------------------- | ||
99 | geodewdt: | ||
100 | timeout: Watchdog timeout in seconds. 1<= timeout <=131, default=60. | ||
101 | nowayout: Watchdog cannot be stopped once started | ||
102 | (default=kernel config parameter) | ||
103 | ------------------------------------------------- | ||
104 | i6300esb: | ||
105 | heartbeat: Watchdog heartbeat in seconds. (1<heartbeat<2046, default=30) | ||
106 | nowayout: Watchdog cannot be stopped once started | ||
107 | (default=kernel config parameter) | ||
108 | ------------------------------------------------- | ||
109 | iTCO_wdt: | ||
110 | heartbeat: Watchdog heartbeat in seconds. | ||
111 | (2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=30) | ||
112 | nowayout: Watchdog cannot be stopped once started | ||
113 | (default=kernel config parameter) | ||
114 | ------------------------------------------------- | ||
115 | iTCO_vendor_support: | ||
116 | vendorsupport: iTCO vendor specific support mode, default=0 (none), | ||
117 | 1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS | ||
118 | ------------------------------------------------- | ||
119 | ib700wdt: | ||
120 | timeout: Watchdog timeout in seconds. 0<= timeout <=30, default=30. | ||
121 | nowayout: Watchdog cannot be stopped once started | ||
122 | (default=kernel config parameter) | ||
123 | ------------------------------------------------- | ||
124 | ibmasr: | ||
125 | nowayout: Watchdog cannot be stopped once started | ||
126 | (default=kernel config parameter) | ||
127 | ------------------------------------------------- | ||
128 | imx2_wdt: | ||
129 | timeout: Watchdog timeout in seconds (default 60 s) | ||
130 | nowayout: Watchdog cannot be stopped once started | ||
131 | (default=kernel config parameter) | ||
132 | ------------------------------------------------- | ||
133 | indydog: | ||
134 | nowayout: Watchdog cannot be stopped once started | ||
135 | (default=kernel config parameter) | ||
136 | ------------------------------------------------- | ||
137 | iop_wdt: | ||
138 | nowayout: Watchdog cannot be stopped once started | ||
139 | (default=kernel config parameter) | ||
140 | ------------------------------------------------- | ||
141 | it8712f_wdt: | ||
142 | margin: Watchdog margin in seconds (default 60) | ||
143 | nowayout: Disable watchdog shutdown on close | ||
144 | (default=kernel config parameter) | ||
145 | ------------------------------------------------- | ||
146 | it87_wdt: | ||
147 | nogameport: Forbid the activation of game port, default=0 | ||
148 | exclusive: Watchdog exclusive device open, default=1 | ||
149 | timeout: Watchdog timeout in seconds, default=60 | ||
150 | testmode: Watchdog test mode (1 = no reboot), default=0 | ||
151 | nowayout: Watchdog cannot be stopped once started | ||
152 | (default=kernel config parameter) | ||
153 | ------------------------------------------------- | ||
154 | ixp2000_wdt: | ||
155 | heartbeat: Watchdog heartbeat in seconds (default 60s) | ||
156 | nowayout: Watchdog cannot be stopped once started | ||
157 | (default=kernel config parameter) | ||
158 | ------------------------------------------------- | ||
159 | ixp4xx_wdt: | ||
160 | heartbeat: Watchdog heartbeat in seconds (default 60s) | ||
161 | nowayout: Watchdog cannot be stopped once started | ||
162 | (default=kernel config parameter) | ||
163 | ------------------------------------------------- | ||
164 | ks8695_wdt: | ||
165 | wdt_time: Watchdog time in seconds. (default=5) | ||
166 | nowayout: Watchdog cannot be stopped once started | ||
167 | (default=kernel config parameter) | ||
168 | ------------------------------------------------- | ||
169 | machzwd: | ||
170 | nowayout: Watchdog cannot be stopped once started | ||
171 | (default=kernel config parameter) | ||
172 | action: after watchdog resets, generate: | ||
173 | 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI | ||
174 | ------------------------------------------------- | ||
175 | max63xx_wdt: | ||
176 | heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 60 | ||
177 | nowayout: Watchdog cannot be stopped once started | ||
178 | (default=kernel config parameter) | ||
179 | nodelay: Force selection of a timeout setting without initial delay | ||
180 | (max6373/74 only, default=0) | ||
181 | ------------------------------------------------- | ||
182 | mixcomwd: | ||
183 | nowayout: Watchdog cannot be stopped once started | ||
184 | (default=kernel config parameter) | ||
185 | ------------------------------------------------- | ||
186 | mpc8xxx_wdt: | ||
187 | timeout: Watchdog timeout in ticks. (0<timeout<65536, default=65535) | ||
188 | reset: Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset | ||
189 | nowayout: Watchdog cannot be stopped once started | ||
190 | (default=kernel config parameter) | ||
191 | ------------------------------------------------- | ||
192 | mpcore_wdt: | ||
193 | mpcore_margin: MPcore timer margin in seconds. | ||
194 | (0 < mpcore_margin < 65536, default=60) | ||
195 | nowayout: Watchdog cannot be stopped once started | ||
196 | (default=kernel config parameter) | ||
197 | mpcore_noboot: MPcore watchdog action, set to 1 to ignore reboots, | ||
198 | 0 to reboot (default=0 | ||
199 | ------------------------------------------------- | ||
200 | mv64x60_wdt: | ||
201 | nowayout: Watchdog cannot be stopped once started | ||
202 | (default=kernel config parameter) | ||
203 | ------------------------------------------------- | ||
204 | nuc900_wdt: | ||
205 | heartbeat: Watchdog heartbeats in seconds. | ||
206 | (default = 15) | ||
207 | nowayout: Watchdog cannot be stopped once started | ||
208 | (default=kernel config parameter) | ||
209 | ------------------------------------------------- | ||
210 | omap_wdt: | ||
211 | timer_margin: initial watchdog timeout (in seconds) | ||
212 | ------------------------------------------------- | ||
213 | orion_wdt: | ||
214 | heartbeat: Initial watchdog heartbeat in seconds | ||
215 | nowayout: Watchdog cannot be stopped once started | ||
216 | (default=kernel config parameter) | ||
217 | ------------------------------------------------- | ||
218 | pc87413_wdt: | ||
219 | io: pc87413 WDT I/O port (default: io). | ||
220 | timeout: Watchdog timeout in minutes (default=timeout). | ||
221 | nowayout: Watchdog cannot be stopped once started | ||
222 | (default=kernel config parameter) | ||
223 | ------------------------------------------------- | ||
224 | pika_wdt: | ||
225 | heartbeat: Watchdog heartbeats in seconds. (default = 15) | ||
226 | nowayout: Watchdog cannot be stopped once started | ||
227 | (default=kernel config parameter) | ||
228 | ------------------------------------------------- | ||
229 | pnx4008_wdt: | ||
230 | heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 19 | ||
231 | nowayout: Set to 1 to keep watchdog running after device release | ||
232 | ------------------------------------------------- | ||
233 | pnx833x_wdt: | ||
234 | timeout: Watchdog timeout in Mhz. (68Mhz clock), default=2040000000 (30 seconds) | ||
235 | nowayout: Watchdog cannot be stopped once started | ||
236 | (default=kernel config parameter) | ||
237 | start_enabled: Watchdog is started on module insertion (default=1) | ||
238 | ------------------------------------------------- | ||
239 | rc32434_wdt: | ||
240 | timeout: Watchdog timeout value, in seconds (default=20) | ||
241 | nowayout: Watchdog cannot be stopped once started | ||
242 | (default=kernel config parameter) | ||
243 | ------------------------------------------------- | ||
244 | riowd: | ||
245 | riowd_timeout: Watchdog timeout in minutes (default=1) | ||
246 | ------------------------------------------------- | ||
247 | s3c2410_wdt: | ||
248 | tmr_margin: Watchdog tmr_margin in seconds. (default=15) | ||
249 | tmr_atboot: Watchdog is started at boot time if set to 1, default=0 | ||
250 | nowayout: Watchdog cannot be stopped once started | ||
251 | (default=kernel config parameter) | ||
252 | soft_noboot: Watchdog action, set to 1 to ignore reboots, 0 to reboot | ||
253 | debug: Watchdog debug, set to >1 for debug, (default 0) | ||
254 | ------------------------------------------------- | ||
255 | sa1100_wdt: | ||
256 | margin: Watchdog margin in seconds (default 60s) | ||
257 | ------------------------------------------------- | ||
258 | sb_wdog: | ||
259 | timeout: Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs) | ||
260 | ------------------------------------------------- | ||
261 | sbc60xxwdt: | ||
262 | wdt_stop: SBC60xx WDT 'stop' io port (default 0x45) | ||
263 | wdt_start: SBC60xx WDT 'start' io port (default 0x443) | ||
264 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30) | ||
265 | nowayout: Watchdog cannot be stopped once started | ||
266 | (default=kernel config parameter) | ||
267 | ------------------------------------------------- | ||
268 | sbc7240_wdt: | ||
269 | timeout: Watchdog timeout in seconds. (1<=timeout<=255, default=30) | ||
270 | nowayout: Disable watchdog when closing device file | ||
271 | ------------------------------------------------- | ||
272 | sbc8360: | ||
273 | timeout: Index into timeout table (0-63) (default=27 (60s)) | ||
274 | nowayout: Watchdog cannot be stopped once started | ||
275 | (default=kernel config parameter) | ||
276 | ------------------------------------------------- | ||
277 | sbc_epx_c3: | ||
278 | nowayout: Watchdog cannot be stopped once started | ||
279 | (default=kernel config parameter) | ||
280 | ------------------------------------------------- | ||
281 | sbc_fitpc2_wdt: | ||
282 | margin: Watchdog margin in seconds (default 60s) | ||
283 | nowayout: Watchdog cannot be stopped once started | ||
284 | ------------------------------------------------- | ||
285 | sc1200wdt: | ||
286 | isapnp: When set to 0 driver ISA PnP support will be disabled (default=1) | ||
287 | io: io port | ||
288 | timeout: range is 0-255 minutes, default is 1 | ||
289 | nowayout: Watchdog cannot be stopped once started | ||
290 | (default=kernel config parameter) | ||
291 | ------------------------------------------------- | ||
292 | sc520_wdt: | ||
293 | timeout: Watchdog timeout in seconds. (1 <= timeout <= 3600, default=30) | ||
294 | nowayout: Watchdog cannot be stopped once started | ||
295 | (default=kernel config parameter) | ||
296 | ------------------------------------------------- | ||
297 | sch311x_wdt: | ||
298 | force_id: Override the detected device ID | ||
299 | therm_trip: Should a ThermTrip trigger the reset generator | ||
300 | timeout: Watchdog timeout in seconds. 1<= timeout <=15300, default=60 | ||
301 | nowayout: Watchdog cannot be stopped once started | ||
302 | (default=kernel config parameter) | ||
303 | ------------------------------------------------- | ||
304 | scx200_wdt: | ||
305 | margin: Watchdog margin in seconds | ||
306 | nowayout: Disable watchdog shutdown on close | ||
307 | ------------------------------------------------- | ||
308 | shwdt: | ||
309 | clock_division_ratio: Clock division ratio. Valid ranges are from 0x5 (1.31ms) | ||
310 | to 0x7 (5.25ms). (default=7) | ||
311 | heartbeat: Watchdog heartbeat in seconds. (1 <= heartbeat <= 3600, default=30 | ||
312 | nowayout: Watchdog cannot be stopped once started | ||
313 | (default=kernel config parameter) | ||
314 | ------------------------------------------------- | ||
315 | smsc37b787_wdt: | ||
316 | timeout: range is 1-255 units, default is 60 | ||
317 | nowayout: Watchdog cannot be stopped once started | ||
318 | (default=kernel config parameter) | ||
319 | ------------------------------------------------- | ||
320 | softdog: | ||
321 | soft_margin: Watchdog soft_margin in seconds. | ||
322 | (0 < soft_margin < 65536, default=60) | ||
323 | nowayout: Watchdog cannot be stopped once started | ||
324 | (default=kernel config parameter) | ||
325 | soft_noboot: Softdog action, set to 1 to ignore reboots, 0 to reboot | ||
326 | (default=0) | ||
327 | ------------------------------------------------- | ||
328 | stmp3xxx_wdt: | ||
329 | heartbeat: Watchdog heartbeat period in seconds from 1 to 4194304, default 19 | ||
330 | ------------------------------------------------- | ||
331 | ts72xx_wdt: | ||
332 | timeout: Watchdog timeout in seconds. (1 <= timeout <= 8, default=8) | ||
333 | nowayout: Disable watchdog shutdown on close | ||
334 | ------------------------------------------------- | ||
335 | twl4030_wdt: | ||
336 | nowayout: Watchdog cannot be stopped once started | ||
337 | (default=kernel config parameter) | ||
338 | ------------------------------------------------- | ||
339 | txx9wdt: | ||
340 | timeout: Watchdog timeout in seconds. (0<timeout<N, default=60) | ||
341 | nowayout: Watchdog cannot be stopped once started | ||
342 | (default=kernel config parameter) | ||
343 | ------------------------------------------------- | ||
344 | w83627hf_wdt: | ||
345 | wdt_io: w83627hf/thf WDT io port (default 0x2E) | ||
346 | timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60. | ||
347 | nowayout: Watchdog cannot be stopped once started | ||
348 | (default=kernel config parameter) | ||
349 | ------------------------------------------------- | ||
350 | w83697hf_wdt: | ||
351 | wdt_io: w83697hf/hg WDT io port (default 0x2e, 0 = autodetect) | ||
352 | timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60) | ||
353 | nowayout: Watchdog cannot be stopped once started | ||
354 | (default=kernel config parameter) | ||
355 | early_disable: Watchdog gets disabled at boot time (default=1) | ||
356 | ------------------------------------------------- | ||
357 | w83697ug_wdt: | ||
358 | wdt_io: w83697ug/uf WDT io port (default 0x2e) | ||
359 | timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60) | ||
360 | nowayout: Watchdog cannot be stopped once started | ||
361 | (default=kernel config parameter) | ||
362 | ------------------------------------------------- | ||
363 | w83877f_wdt: | ||
364 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30) | ||
365 | nowayout: Watchdog cannot be stopped once started | ||
366 | (default=kernel config parameter) | ||
367 | ------------------------------------------------- | ||
368 | w83977f_wdt: | ||
369 | timeout: Watchdog timeout in seconds (15..7635), default=45) | ||
370 | testmode: Watchdog testmode (1 = no reboot), default=0 | ||
371 | nowayout: Watchdog cannot be stopped once started | ||
372 | (default=kernel config parameter) | ||
373 | ------------------------------------------------- | ||
374 | wafer5823wdt: | ||
375 | timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60. | ||
376 | nowayout: Watchdog cannot be stopped once started | ||
377 | (default=kernel config parameter) | ||
378 | ------------------------------------------------- | ||
379 | wdt285: | ||
380 | soft_margin: Watchdog timeout in seconds (default=60) | ||
381 | ------------------------------------------------- | ||
382 | wdt977: | ||
383 | timeout: Watchdog timeout in seconds (60..15300, default=60) | ||
384 | testmode: Watchdog testmode (1 = no reboot), default=0 | ||
385 | nowayout: Watchdog cannot be stopped once started | ||
386 | (default=kernel config parameter) | ||
387 | ------------------------------------------------- | ||
388 | wm831x_wdt: | ||
389 | nowayout: Watchdog cannot be stopped once started | ||
390 | (default=kernel config parameter) | ||
391 | ------------------------------------------------- | ||
392 | wm8350_wdt: | ||
393 | nowayout: Watchdog cannot be stopped once started | ||
394 | (default=kernel config parameter) | ||
395 | ------------------------------------------------- | ||