STRUCT MEI_MC_HDR(9)

✨ NAME ✨

okay so bestie, welcome to struct mei_mc_hdr(9) from the Kernel API Manual — it's literally the Management Control Command Header 💅 no cap.

🦋 SYNOPSIS 🦋

the whole struct vibe check is right here, and yes it's giving tiny-header energy:

struct mei_mc_hdr {
    u8 command;
    u8 bytecount;
    u8 subcommand;
    u8 versionnumber;
 };

🎀 Members 🎀

• command — the Management Control (0x2) field, periodt.
• bytecount — Number of bytes in the message beyond this byte, iykyk.
• subcommand — the Management Control Subcommand, literally.
• versionnumber — the Management Control Version (0x10), no cap.

💖 SEE ALSO 💖

the kernel file is ./drivers/watchdog/mei_wdt.c, and these are the linked besties:

• enum mei_wdt_state(9)
• struct mei_wdt(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_ping(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)

xoxo, your struct mei_mc_hdr(9) bestie — source ./drivers/watchdog, version date October 2026 💖