ahci_host_activate(9)

💅 ahci_host_activate(9) — like, the AHCI host activation era

okay so bestie, welcome to ahci_host_activate(9) from the Kernel API Manual ✨ this is the function whose whole personality is "start the AHCI host, grab the IRQs, and get it registered" — she does it all, no cap 🎀

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🌸 NAME 🌸

ahci_host_activate — start AHCI host, request IRQs and register it 🫶

✨ SYNOPSIS ✨

int ahci_host_activate (struct ata_host *host , const struct
scsi_host_template *sht );

🦋 ARGUMENTS 🦋

• host — the target ATA host, aka the main character she's activating 💖
• sht — the scsi_host_template to use when registering the host, iykyk 🌈

👑 DESCRIPTION 👑

LOCKING: inherited from the calling layer — and yes, she may sleep 😴 so plan accordingly, bestie.

⭐ RETURN ⭐

0 on success, and -errno otherwise 💀 (if it's not a zero, something went sideways and the negative errno is telling you what).

🔥 SEE ALSO 🔥

Kernel file ./drivers/ata/libahci.c:

• ahci_rpm_get_port(9)
• ahci_rpm_put_port(9)
• ahci_save_initial_config(9)
• ahci_restore_initial_config(9)

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that's the whole vibe, bestie — go forth and activate those hosts 💅

mwah 💋 this lil page came from the kernel source at ./drivers/ata, dated October 2026 — manual section 9, ahci_host_activate(9), iconic as ever 🎀✨