ata_bmdma_qc_issue(9)

💅 ata_bmdma_qc_issue(9) 💅

okay so bestie, we're deep in the Kernel API Manual and this page is giving “low-level ATA controller realness” ✨. It's literally ata_bmdma_qc_issue, and yes, the vibe is extremely niche but we're gonna get it. 🫶

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🌸 NAME 🌸

ata_bmdma_qc_issue — issue taskfile to a BMDMA controller 🔥

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✨ SYNOPSIS ✨

unsigned int ata_bmdma_qc_issue (struct ata_queued_cmd *qc );

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🎀 ARGUMENTS 🎀

• qc — command to issue to device. That's the whole argument, no cap. 🎀

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🦋 DESCRIPTION 🦋

This function issues a PIO, NODATA or DMA command to a SFF/BMDMA controller. PIO and NODATA are handled by ata_sff_qc_issue. Periodt. 💅

🔒 LOCKING: spin_lock_irqsave(host lock) — bestie, this is the locking note, keep it in mind. Don't skip it. 💖

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⭐ RETURN ⭐

Zero on success, AC_ERR_* mask on failure. That's it. That's the return vibe. 😭

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🌈 SEE ALSO 🌈

Kernel file ./drivers/ata/libata-sff.c — and the whole squad of related functions, in the exact order they were listed:

• ata_sff_check_status(9)
• ata_sff_altstatus(9)
• ata_sff_irq_status(9)
• ata_sff_sync(9)
• ata_sff_pause(9)
• ata_sff_dma_pause(9)
• ata_sff_wait_ready(9)
• ata_sff_set_devctl(9)
• ata_sff_dev_select(9)
• ata_dev_select(9)
• ata_sff_irq_on(9)
• ata_sff_tf_load(9)
• ata_sff_tf_read(9)
• ata_sff_exec_command(9)
• ata_tf_to_host(9)
• ata_sff_data_xfer(9)
• ata_sff_data_xfer32(9)
• ata_pio_sector(9)
• ata_pio_sectors(9)
• atapi_send_cdb(9)
• __atapi_pio_bytes(9)
• atapi_pio_bytes(9)
• ata_hsm_ok_in_wq(9)
• ata_hsm_qc_complete(9)
• ata_sff_hsm_move(9)
• ata_sff_qc_issue(9)
• ata_sff_qc_fill_rtf(9)
• ata_sff_port_intr(9)
• ata_sff_interrupt(9)
• ata_sff_lost_interrupt(9)
• ata_sff_freeze(9)
• ata_sff_thaw(9)
• ata_sff_prereset(9)
• ata_devchk(9)
• ata_sff_dev_classify(9)
• ata_sff_wait_after_reset(9)
• ata_sff_softreset(9)
• sata_sff_hardreset(9)
• ata_sff_postreset(9)
• ata_sff_drain_fifo(9)
• ata_sff_error_handler(9)
• ata_sff_std_ports(9)
• ata_pci_sff_init_host(9)
• ata_pci_sff_prepare_host(9)
• ata_pci_sff_activate_host(9)
• ata_pci_sff_init_one(9)
• ata_bmdma_fill_sg(9)
• ata_bmdma_fill_sg_dumb(9)
• ata_bmdma_qc_prep(9)
• ata_bmdma_dumb_qc_prep(9)
• ata_bmdma_port_intr(9)
• ata_bmdma_interrupt(9)
• ata_bmdma_error_handler(9)
• ata_bmdma_post_internal_cmd(9)
• ata_bmdma_irq_clear(9)
• ata_bmdma_setup(9)
• ata_bmdma_start(9)
• ata_bmdma_stop(9)
• ata_bmdma_status(9)
• ata_bmdma_port_start(9)
• ata_bmdma_port_start32(9)
• ata_pci_bmdma_clear_simplex(9)
• ata_pci_bmdma_init(9)
• ata_pci_bmdma_prepare_host(9)
• ata_pci_bmdma_init_one(9)
• ata_sff_port_init(9)

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okay bye bestie 💖 this page is sourced from ./drivers/ata and dated October 2026 — mwah 💅✨