ap_sm_read_write(9)

ap_sm_read_write(9)

okay bestie, this one is from the Kernel API Manual and it's lowkey a tiny little function page, but we're gonna treat it with main character energy anyway 💅✨

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🌸 NAME 🌸

ap_sm_read_write — Send and receive messages to/from an AP queue.

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🦋 SYNOPSIS 🦋

enum ap_sm_wait ap_sm_read_write (struct ap_queue *aq );

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🎀 ARGUMENTS 🎀

• aq — pointer to the AP queue. literally just a pointer to the AP queue, no cap 🫶

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💖 DESCRIPTION 💖

Returns AP_SM_WAIT_NONE, AP_SM_WAIT_AGAIN, or AP_SM_WAIT_INTERRUPT.

That's the vibe: those are the three return values it can hand back. iconic, concise, periodt. 👑

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⭐ SEE ALSO ⭐

Kernel file ./drivers/s390/crypto/ap_queue.c, plus these besties:

• ap_queue_enable_irq(9)
• __ap_send(9)
• ap_sm_recv(9)
• ap_sm_read(9)
• ap_sm_write(9)
• ap_sm_reset(9)
• ap_sm_reset_wait(9)
• ap_sm_setirq_wait(9)
• ap_sm_assoc_wait(9)
• ap_queue_message(9)
• ap_queue_usable(9)
• ap_cancel_message(9)
• __ap_flush_queue(9)

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that's the whole page, bestie — sourced from ./drivers/s390/crypto, dated October 2026 💜🦋✨