STRUCT MHUV3_MBOX_CHAN_PRIV(9)

💖 struct mhuv3_mbox_chan_priv(9) 💖

okay so bestie, welcome to the Kernel API Manual — this one's about struct mhuv3_mbox_chan_priv, aka the MHUv3 channel private information struct. it's giving "small struct, big responsibilities" and honestly? we're obsessed. 🎀

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✨ NAME ✨

struct mhuv3_mbox_chan_priv — MHUv3 channel private information 🦋

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✨ SYNOPSIS ✨

struct mhuv3_mbox_chan_priv {
    u32 ch_idx;
    u32 doorbell;
    const struct mhuv3_protocol_ops *ops;
 };

like, that's the whole thing. three fields. no cap, she's compact and she knows it. 💅

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✨ Members ✨

• ch_idx — the channel window index that's associated to this mailbox channel. that's her whole personality tbh 🌸
• doorbell — the doorbell bit number within the ch_idx window. heads up bestie: this one's only relevant to the Doorbell transport, so don't come for her if you're running a different transport 💀
• ops — the transport protocol specific operations for this channel. type is const struct mhuv3_protocol_ops *, main character energy fr fr 👑

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✨ Description ✨

transport specific data attached to mmailbox channel priv data. literally that's it, that's the vibe check — the per-channel private stuff rides along in here. 🫶

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✨ SEE ALSO ✨

• Kernel file ./drivers/mailbox/arm_mhuv3.c
• struct mhuv3_protocol_ops(9)
• struct mhuv3_extension(9)
• struct mhuv3(9)

go read the whole friend group, they're all iconic 🔥

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ngl this struct is small but she's load-bearing — don't go rearranging her fields without reading the source first, okay? 😭

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and that's the page, bestie! 🌈 brought to you from ./drivers/mailbox, dated October 2026, from the Kernel API Manual — mwah, slay, periodt 💜🧚‍♀️