rsu_max_retry_callback(9)

💅 rsu_max_retry_callback — like, the official Kernel API Manual page (section 9), bestie ✨

Okay so picture this: we're deep in the kernel docs, section 9 of the Kernel API Manual, and the star of the show is rsu_max_retry_callback. Yes it's a long name. No we're not shortening it. It's iconic, it ate, periodt. 🎀

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🌸 NAME 🌸

rsu_max_retry_callback — the callback that comes back from the Intel service layer, and its whole entire job is getting the max retry value from the firmware. That's it. That's the vibe check. 💖

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✨ SYNOPSIS ✨

void rsu_max_retry_callback (struct stratix10_svc_client *client ,
struct stratix10_svc_cb_data *data );

Not me showing you the exact signature so you literally cannot get it wrong 🫶 note that it returns void — nothing comes back out of this bad boy directly, it's a callback, it's giving "I'll handle it when I'm called" energy.

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🦋 ARGUMENTS 🦋

• client — a pointer to client. That's your client right there 💅
• data — a pointer to the callback data structure. All the good stuff lives in there 👑

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🌈 DESCRIPTION 🌈

So this is a callback from the Intel service layer, and its designated purpose on this earth is: max retry. Lowkey simple, highkey essential. It's the firmware's way of handing over the max retry value and this function is the one who picks up the phone. 📞✨

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👑 SEE ALSO 👑

The kernel file itself lives at ./drivers/firmware/stratix10-rsu.c — go look, it's right there, no cap 🧚

And the whole friend group, in the order the original lists them (respect the order, always):

• rsu_device_info_set_from_packed(9)
• struct stratix10_rsu_priv(9)
• rsu_device_info_invalidate(9)
• rsu_status_callback(9)
• rsu_async_status_callback(9)
• rsu_command_callback(9)
• rsu_retry_callback(9)
• rsu_dcmf_version_callback(9)
• rsu_dcmf_status_callback(9)
• rsu_get_device_info_callback(9)
• rsu_async_get_spt_table_callback(9)
• __rsu_send_msg_locked(9)
• rsu_send_msg(9)
• rsu_try_send_msg(9)
• soc64_async_callback(9)
• rsu_send_async_msg(9)

That's the squad. Every single one. Don't skip a single callback, we don't do that here 💀🔥

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Fr fr reminder: this page is filed under ./drivers/firmware, brought to you by the October 2026 crew, and yes — that's the source/version and date doing their little sign-off at the bottom of the original. Slay. 💜⭐

Stay hydrated, read your callbacks, and remember: the firmware said max retry and this function said "say less" 🍓💅