qdio_stop_irq(9)

🎀 qdio_stop_irq(9) 🎀

okay bestie, welcome to the Kernel API Manual entry for qdio_stop_irq — she’s here to disable interrupt processing for the device, and honestly? main character energy. 💅✨

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🌸 NAME 🌸

qdio_stop_irq — disable interrupt processing for the device. That’s the assignment, no cap. 🫶

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🦋 SYNOPSIS 🦋

int qdio_stop_irq (struct ccw_device *cdev );

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🍓 ARGUMENTS 🍓

• cdev — the associated ccw_device for the qdio subchannel. That’s your device bestie, literally right there. 💖

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✨ DESCRIPTION ✨

Return-code vibe check, bestie:

• 0 — interrupts were already disabled. They were already off, iconic. 💀
• 1 — interrupts successfully disabled. We did that, slay. 🔥

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🌈 SEE ALSO 🌈

Kernel file ./drivers/s390/cio/qdio_main.c is the home base, and the whole squad is:

• do_siga_output(9)
• qdio_do_eqbs(9)
• qdio_do_sqbs(9)
• qdio_get_ssqd_desc(9)
• qdio_shutdown(9)
• qdio_free(9)
• qdio_allocate(9)
• qdio_establish(9)
• qdio_activate(9)
• handle_inbound(9)
• qdio_add_bufs_to_input_queue(9)
• handle_outbound(9)
• qdio_add_bufs_to_output_queue(9)
• qdio_start_irq(9)

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mwah 💋 — signed off from ./drivers/s390/cio, dated October 2026, on page qdio_stop_irq(9). periodt ✨