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watchdog: uapi: add comments for what bit masks apply to

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Add comments similar to those in include/linux/watchdog.h
so that the reader/user doesn't have to dig into the API documentation
files for this.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Randy Dunlap
2026-05-29 14:20:22 -07:00
committed by Guenter Roeck
parent 4d72cac328
commit 38ecabc9af
1 changed files with 2 additions and 0 deletions
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include/uapi/linux/watchdog.h
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@@ -36,6 +36,7 @@ struct watchdog_info {
#define WDIOF_UNKNOWN -1 /* Unknown flag error */
#define WDIOS_UNKNOWN -1 /* Unknown status error */
/* Bit masks for watchdog_info.options, GETSTATUS and GETBOOTSTATUS ioctls */
#define WDIOF_OVERHEAT 0x0001 /* Reset due to CPU overheat */
#define WDIOF_FANFAULT 0x0002 /* Fan failed */
#define WDIOF_EXTERN1 0x0004 /* External relay 1 */
@@ -50,6 +51,7 @@ struct watchdog_info {
other external alarm not a reboot */
#define WDIOF_KEEPALIVEPING 0x8000 /* Keep alive ping reply */
/* Bit masks for WDIOC_SETOPTIONS ioctl */
#define WDIOS_DISABLECARD 0x0001 /* Turn off the watchdog timer */
#define WDIOS_ENABLECARD 0x0002 /* Turn on the watchdog timer */
#define WDIOS_TEMPPANIC 0x0004 /* Kernel panic on temperature trip */