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44 lines
1.2 KiB
44 lines
1.2 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* (c) Copyright 2021 Hewlett Packard Enterprise Development LP. |
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*/ |
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#include <linux/hrtimer.h> |
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#include <linux/watchdog.h> |
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#include "watchdog_core.h" |
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#include "watchdog_pretimeout.h" |
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static enum hrtimer_restart watchdog_hrtimer_pretimeout(struct hrtimer *timer) |
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{ |
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struct watchdog_core_data *wd_data; |
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wd_data = container_of(timer, struct watchdog_core_data, pretimeout_timer); |
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watchdog_notify_pretimeout(wd_data->wdd); |
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return HRTIMER_NORESTART; |
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} |
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void watchdog_hrtimer_pretimeout_init(struct watchdog_device *wdd) |
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{ |
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struct watchdog_core_data *wd_data = wdd->wd_data; |
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hrtimer_init(&wd_data->pretimeout_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); |
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wd_data->pretimeout_timer.function = watchdog_hrtimer_pretimeout; |
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} |
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void watchdog_hrtimer_pretimeout_start(struct watchdog_device *wdd) |
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{ |
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if (!(wdd->info->options & WDIOF_PRETIMEOUT) && |
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!watchdog_pretimeout_invalid(wdd, wdd->pretimeout)) |
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hrtimer_start(&wdd->wd_data->pretimeout_timer, |
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ktime_set(wdd->timeout - wdd->pretimeout, 0), |
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HRTIMER_MODE_REL); |
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else |
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hrtimer_cancel(&wdd->wd_data->pretimeout_timer); |
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} |
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void watchdog_hrtimer_pretimeout_stop(struct watchdog_device *wdd) |
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{ |
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hrtimer_cancel(&wdd->wd_data->pretimeout_timer); |
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}
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