STRUCT SST_FW_HEADER(9)

✨ struct sst_fw_header(9) ✨

okay bestie, welcome to the Kernel API Manual 💅 and lemme tell you, today's main character is struct sst_fw_header — the literal vibe check at the very top of an SST firmware file 🎀

🌸 NAME 🌸

struct sst_fw_header — the FW file headers, aka the little label on the box that tells you what's inside 🫶

🦋 SYNOPSIS 🦋

struct sst_fw_header {
    unsigned char signature[FW_SIGNATURE_SIZE];
    u32 file_size;
    u32 modules;
    u32 file_format;
    u32 reserved[4];
 };

like… look at her. immaculate. no notes. 🔥

👑 Members 👑

• signature — the FW signature 🖊️ like a little "yes hello this is me" stamped right on the front
• file_size — size of fw image 📏 how big she is, fr fr
• modules — # of modules 🧩 counting them all up
• file_format — version of header format 🏷️ which era of header aesthetic we're in
• reserved — reserved fields 🙈 sitting there looking pretty, not for you to touch

🌈 SEE ALSO 🌈

Kernel file ./sound/soc/intel/atom/sst/sst.h — plus the whole friend group, iykyk: struct sst_block(9), struct stream_info(9), struct fw_module_header(9), struct fw_block_info(9), struct intel_sst_drv(9)

and that's the page, bestie 💖 sign-off time: this lil slice of kernel lore lives in ./sound/soc/intel/atom/sst and it's dated October 2026 — periodt, go read the whole squad 🌟