pci_disable_ats(9)

💅 pci_disable_ats(9) — from the Kernel API Manual, bestie

okay so this is a kernel API page, the manual is literally called Kernel API Manual, and today's main character is pci_disable_ats. it's short, it's sweet, it's giving "one job and she does it." 🎀

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✨ NAME ✨

pci_disable_ats — turning the ATS capability off, that's it, that's the whole vibe 💅

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🦋 SYNOPSIS 🦋

void pci_disable_ats (struct pci_dev *dev );

no cap, that's the entire signature. returns nothing (void), takes exactly one thing, slays quietly. ✨

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🌸 ARGUMENTS 🌸

• dev — the PCI device 🫶 like, the actual struct pci_dev * you're about to disable ATS on. that's the whole cast, one single parameter, main character energy only.

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👑 SEE ALSO 👑

all the sibling functions living their best lives in the kernel file ./drivers/pci/ats.c — go say hi to the whole friend group 💖

• pci_ats_supported(9)
• pci_prepare_ats(9)
• pci_enable_ats(9)
• pci_ats_queue_depth(9)
• pci_ats_page_aligned(9)
• pci_ats_required(9)
• pci_enable_pri(9)
• pci_disable_pri(9)
• pci_restore_pri_state(9)
• pci_reset_pri(9)
• pci_prg_resp_pasid_required(9)
• pci_pri_supported(9)
• pci_enable_pasid(9)
• pci_disable_pasid(9)
• pci_restore_pasid_state(9)
• pci_pasid_features(9)
• pci_max_pasids(9)
• pci_pasid_status(9)

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ngl the whole page is like three lines long and honestly? iconic. sometimes the assignment is just "disable the thing," and she ate. 🔥

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kiss kiss, this came out of ./drivers/pci and is dated October 2026 — yeah, the footer said so, and she said it with her chest 🧚💜