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authorThomas Zimmermann <tzimmermann@suse.de>2025-04-07 13:47:40 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2025-04-07 14:35:48 +0200
commit1afba39f9305fe4061a4e70baa6ebab9d41459da (patch)
tree67e7ed686bd75adc559025870151c4de6d649ced /include/linux/reboot.h
parentfbe43810d563a293e3de301141d33caf1f5d5c5a (diff)
parent0af2f6be1b4281385b618cb86ad946eded089ac8 (diff)
Merge drm/drm-next into drm-misc-next
Backmerging to get v6.15-rc1 into drm-misc-next. Also fixes a build issue when enabling CONFIG_DRM_SCHED_KUNIT_TEST. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/linux/reboot.h')
-rw-r--r--include/linux/reboot.h36
1 files changed, 29 insertions, 7 deletions
diff --git a/include/linux/reboot.h b/include/linux/reboot.h
index abcdde4df697..aa08c3bbbf59 100644
--- a/include/linux/reboot.h
+++ b/include/linux/reboot.h
@@ -177,16 +177,38 @@ void ctrl_alt_del(void);
extern void orderly_poweroff(bool force);
extern void orderly_reboot(void);
-void __hw_protection_shutdown(const char *reason, int ms_until_forced, bool shutdown);
-static inline void hw_protection_reboot(const char *reason, int ms_until_forced)
-{
- __hw_protection_shutdown(reason, ms_until_forced, false);
-}
+/**
+ * enum hw_protection_action - Hardware protection action
+ *
+ * @HWPROT_ACT_DEFAULT:
+ * The default action should be taken. This is HWPROT_ACT_SHUTDOWN
+ * by default, but can be overridden.
+ * @HWPROT_ACT_SHUTDOWN:
+ * The system should be shut down (powered off) for HW protection.
+ * @HWPROT_ACT_REBOOT:
+ * The system should be rebooted for HW protection.
+ */
+enum hw_protection_action { HWPROT_ACT_DEFAULT, HWPROT_ACT_SHUTDOWN, HWPROT_ACT_REBOOT };
-static inline void hw_protection_shutdown(const char *reason, int ms_until_forced)
+void __hw_protection_trigger(const char *reason, int ms_until_forced,
+ enum hw_protection_action action);
+
+/**
+ * hw_protection_trigger - Trigger default emergency system hardware protection action
+ *
+ * @reason: Reason of emergency shutdown or reboot to be printed.
+ * @ms_until_forced: Time to wait for orderly shutdown or reboot before
+ * triggering it. Negative value disables the forced
+ * shutdown or reboot.
+ *
+ * Initiate an emergency system shutdown or reboot in order to protect
+ * hardware from further damage. The exact action taken is controllable at
+ * runtime and defaults to shutdown.
+ */
+static inline void hw_protection_trigger(const char *reason, int ms_until_forced)
{
- __hw_protection_shutdown(reason, ms_until_forced, true);
+ __hw_protection_trigger(reason, ms_until_forced, HWPROT_ACT_DEFAULT);
}
/*