ata_ncq_prio_enabled(9)

💅 ata_ncq_prio_enabled — it's giving "Kernel API Manual", bestie

okay so picture this: it's a kernel API manual page, the function is ata_ncq_prio_enabled(9), and it's literally just here to tell you whether NCQ Priority is enabled. that's it. that's the whole vibe. 🦋

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✨ NAME ✨

ata_ncq_prio_enabled — Check if NCQ Priority is enabled

like, the name says it all, no cap. it checks the thing. 🎀

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🌸 SYNOPSIS 🌸

int ata_ncq_prio_enabled (struct ata_port *ap , struct scsi_device *sdev
, bool *enabled );

look at that signature, she's iconic 💅 three args, one int coming back at you.

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🫶 ARGUMENTS 🫶

• ap — ATA port of the target device. this is the port we're snooping around in, iykyk.
• sdev — SCSI device. the device in question, main character energy fr.
• enabled — Address of a boolean to store the result. yes bestie, you hand over the address of a bool and the answer gets parked right there. 🔥

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💖 DESCRIPTION 💖

Helper to check if NCQ Priority feature is enabled.

literally just a helper. a little guy. a support function doing its one job and doing it slay. it's not out here changing the world, it's out here checking a feature flag for you. periodt. ✨

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🧚 CONTEXT 🧚

Any context. Takes and releases ap->lock.

so you can call this from basically anywhere, no stress — but heads up, it grabs ap->lock and then lets it go again, so mind your locking vibes. 🔒

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⭐ RETURN ⭐

• 0 — OK. Status is stored into enabled. 🎉 everything went great, the answer is chilling in your bool now.
• -ENODEV — Failed to find the ATA device. 😭 the device said "not today", couldn't locate it.

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🌈 SEE ALSO 🌈

Kernel file ./drivers/ata/libata-sata.c — and honestly the whole friend group is tagged in, so let's shout them out:

• sata_scr_valid(9)
• sata_scr_read(9)
• sata_scr_write(9)
• sata_scr_write_flush(9)
• ata_tf_to_fis(9)
• ata_tf_from_fis(9)
• sata_link_debounce(9)
• sata_link_resume(9)
• sata_link_scr_lpm(9)
• sata_set_spd_needed(9)
• sata_set_spd(9)
• sata_down_spd_limit(9)
• sata_link_hardreset(9)
• sata_std_hardreset(9)
• ata_qc_complete_multiple(9)
• ata_slave_link_init(9)
• sata_lpm_ignore_phy_events(9)
• ata_ncq_prio_supported(9)
• ata_ncq_prio_enable(9)
• ata_change_queue_depth(9)
• ata_scsi_change_queue_depth(9)
• ata_sas_sdev_configure(9)
• ata_sas_queuecmd(9)
• sata_async_notification(9)
• ata_eh_read_log_10h(9)
• ata_eh_get_ncq_success_sense(9)
• ata_eh_analyze_ncq_error(9)

that's a whole group chat right there, and every single one of them is invited. 👑

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aaaand that's the page!! sign-off time: this masterpiece lives in ./drivers/ata, it's part of the Kernel API Manual, and it's dated October 2026. no notes. slay. 💜🎀✨