zynqmp_r5_mb_rx_cb(9)

💖 zynqmp_r5_mb_rx_cb(9) 💖

okay so this is a page from the Kernel API Manual — yes, that kernel manual — and it's about zynqmp_r5_mb_rx_cb, aka the receive channel mailbox callback. bestie, it's a callback. for a mailbox. on an R5. let's get into it 🎀

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✨ NAME ✨

zynqmp_r5_mb_rx_cb — the receive channel mailbox callback. that's the whole vibe. she receives. she's a channel. she's a callback. 💅

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🌸 SYNOPSIS 🌸

void zynqmp_r5_mb_rx_cb (struct mbox_client *cl , void *msg );

look at her. void, two args, no notes. iconic honestly.

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🦋 ARGUMENTS 🦋

• cl — the mailbox client. the client. of the mailbox. 🫶
• msg — a message pointer. that's it, that's the pointer. she points at a message. ✨

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💜 DESCRIPTION 💜

okay so here's what she actually does, no cap:

she receives data from the ipi buffer, acks the interrupt, and then — and this is the main character moment — she schedules the R5 notification work. 🗓️✨

so: data in, interrupt acknowledged, work scheduled. in that order. the way that she just handles it. periodt. 💅

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🌈 SEE ALSO 🌈

the whole friend group, fr fr — all of these live in the kernel file ./drivers/remoteproc/xlnx_r5_remoteproc.c:

• struct mem_bank_data(9)
• struct zynqmp_sram_bank(9)
• struct mbox_info(9)
• struct rsc_tbl_data(9)
• struct xlnx_rproc_crash_report(9)
• struct zynqmp_r5_core(9)
• struct zynqmp_r5_cluster(9)
• event_notified_idr_cb(9)
• handle_event_notified(9)
• zynqmp_r5_setup_mbox(9)
• zynqmp_r5_rproc_prepare(9)
• zynqmp_r5_rproc_unprepare(9)
• zynqmp_r5_alloc_rproc_core(9)
• zynqmp_r5_get_tcm_node(9)

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lowkey go read the whole set, they all reference each other like a group chat and you don't wanna be left on read 💀

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and that's the page!! this one came out of ./drivers/remoteproc and it's dated October 2026 — so yeah, future-dated manual page, we love a forward-thinking queen 👑. mwah, bye bestie 🍓💖🧚