mei_wdt_ops_ping(9)

💅 mei_wdt_ops_ping — the kernel API manual, bestie edition 🎀

okay so real talk, this page lives in the manual called mei_wdt_ops_ping(9) and it's all about one tiny function that goes ping ✨ it's giving "watchdog core slid into the MEI watchdog's DMs and asked for a ping" and honestly? iconic. 🐶💖

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🌸 NAME 🌸

mei_wdt_ops_ping — the wd ping command, straight from the watchdog core 🫶

lowkey that's the whole vibe: it's the ping command, and it comes from the watchdog core. no cap.

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✨ SYNOPSIS ✨

int mei_wdt_ops_ping (struct watchdog_device *wdd );

that's it. that's the whole signature. one argument, one int coming back at you. she's simple, she's elegant, she's that girl 💅

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🦋 ARGUMENTS 🦋

• wdd — the watchdog device, aka the whole reason we're here. this is the struct watchdog_device * and she is literally the main character of this function's entire life 💖

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🌈 RETURN 🌈

• 0 — success!! slay!! we ate and left no crumbs 🍓✨
• negative errno code — on failure 😭 it comes back negative, and it's an errno code, so like… check it, bestie. don't just ignore it. that would be a vibe check fail fr fr 💀

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🔥 SEE ALSO 🔥

the whole friend group, assembled. all of these are in the Kernel file ./drivers/watchdog/mei_wdt.c and honestly the way this list goes on and on is so me-coded 👑

• enum mei_wdt_state(9)
• struct mei_wdt(9)
• struct mei_mc_hdr(9)
• struct mei_wdt_start_request(9)
• struct mei_wdt_start_response(9)
• struct mei_wdt_stop_request(9)
• mei_wdt_ping(9)
• mei_wdt_stop(9)
• mei_wdt_ops_start(9)
• mei_wdt_ops_stop(9)
• mei_wdt_ops_set_timeout(9)
• __mei_wdt_is_registered(9)
• mei_wdt_unregister(9)
• mei_wdt_register(9)
• mei_wdt_rx(9)
• mei_wdt_notif(9)

like… the entire roster. go read them if you want the full lore, iykyk 📚💜

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and that's the page, bestie!! this one came from ./drivers/watchdog, dated October 2026 🗓️💖 k byeee, go ping something responsibly 🧚✨