STRUCT GUC_LFD_DATA_LOG_EVENTS_BUF(9)

💖 struct guc_lfd_data_log_events_buf(9) — Kernel API Manual 💖

okay so bestie, welcome to the Kernel API Manual, this one's all about struct guc_lfd_data_log_events_buf 🎀

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✨ NAME ✨

struct guc_lfd_data_log_events_buf — the GuC Log Events Buffer. lowkey iconic tbh: it's the optional fw LFD data 🦋

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🌸 SYNOPSIS 🌸

struct guc_lfd_data_log_events_buf {
    u32 log_events_format_version;
    u32 log_event[];
};

look at her. main character struct energy fr fr 👑

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🫶 Members 🫶

• log_events_format_version — the version of the GuC log format of the buffer. it's giving "tell me what era of log we're in" 💅
• log_event — the log event data, periodt. its size in dwords is the LFD block size minus 1. literally block size − 1, don't forget the − 1 bestie 😭

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👑 SEE ALSO 👑

• Kernel file ./drivers/gpu/drm/xe/abi/guc_lfd_abi.h
• struct guc_lfd_file_header(9)

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🧚 go read the struct, go read the header, go slay. no cap, that's the whole vibe check 💜

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and that's the post! this little cutie lives in ./drivers/gpu/drm/xe/abi, dated October 2026, and yes the page title is exactly struct guc_l...g_events_buf(9) — she's abbreviated and she knows it 🌈✨ bye bestie, mwah 💖