STRUCT SCMI_RAW_MODE_INFO(9)

📦 version 7.3.1, in nixpkgs unstable

💅 struct scmi_raw_mode_info — like, the Kernel API Manual page, bestie

okay so this is the manual page for struct scmi_raw_mode_info, straight out of the Kernel API Manual, and it's genuinely the glow-up moment for SCMI Raw instance data. she's the little struct that holds everything 🎀

✨ NAME ✨

struct scmi_raw_mode_info — the structure holding SCMI Raw instance data. literally her whole job. no cap 💖

🌸 SYNOPSIS 🌸

struct scmi_raw_mode_info {
    unsigned int id;
    const struct scmi_handle *handle;
    const struct scmi_desc *desc;
    int tx_max_msg;
    struct scmi_raw_queue *q[SCMI_RAW_MAX_QUEUE];
    struct xarray chans_q;
    struct list_head free_waiters;
    struct mutex free_mtx;
    struct list_head active_waiters;
    struct mutex active_mtx;
    struct work_struct waiters_work;
    struct workqueue_struct *wait_wq;
    struct dentry *dentry;
    void *gid;
 };

look at her. fourteen members. main character energy from top to bottom 👑

🦋 Members 🦋

okay bestie let's go member by member, because every single one of these is important and we are NOT skipping anybody:

  • id — the Sequential Raw instance ID. that's it, that's her number 🎟️
  • handle — Pointer to the SCMI entity handle to use. the whole point tbh.
  • desc — Pointer to the transport descriptor to use 🚚
  • tx_max_msg — Maximum number of concurrent TX in-flight messages. so, the vibes limit for how many things can be out at once, lowkey.
  • q — An array of Raw queue descriptors. iconic array energy 🧺
  • chans_q — An XArray mapping optional additional per-channel queues. optional!! and per-channel!! slay 💅
  • free_waiters — Head of freelist for unused waiters. the bench where the unemployed waiters sit 🪑
  • free_mtx — A mutex to protect the waiters freelist 🔒
  • active_waiters — Head of list for currently active and used waiters. these ones are booked and busy ✨
  • active_mtx — A mutex to protect the active waiters list 🔐
  • waiters_work — A work descriptor to be used with the workqueue machinery ⚙️
  • wait_wq — A workqueue reference to the created workqueue 🌀
  • dentry — Top debugfs root dentry for SCMI Raw 📁
  • gid — A group ID used for devres accounting 🧾

🎀 Description 🎀

okay so the one thing you HAVE to remember: this descriptor gets passed back to the core after SCMI Raw is initialized — as an opaque handle — so that all the subsequent SCMI Raw call hooks can use it.

opaque means don't peek inside, bestie. she's a handle, not a spectacle 🙈

🔥 SEE ALSO 🔥

go read them. all of them. iykwim 🌈

and that's the whole page, bestie 🫶 this little queen is filed under ./drivers/firmware/arm_scmi and the version stamp says October 2026 — so yeah, she's dated, she's gorgeous, and she's the struct scmi_raw_mode_info(9) of your dreams 💜⭐

📦 where this page comes from