isci_host_deinit(9)

💖 isci_host_deinit(9) — Kernel API Manual 💖

okay bestie, welcome to isci_host_deinit(9) from the Kernel API Manual — the little teardown era for a host, and yes we're getting into the shutdown frame reception and dma of it all. 💅

🌸 NAME 🌸

isci_host_deinit — shutdown frame reception and dma ✨

🦋 SYNOPSIS 🦋

void isci_host_deinit (struct isci_host *ihost );

🎀 ARGUMENTS 🎀

• ihost — host to take down. That's the main character here: the host getting taken down, no cap. 🫶

💜 DESCRIPTION 💜

This is called in either the driver shutdown path or the suspend path. Periodt. 🌈

In the shutdown case, libsas went through port teardown and normal device removal — i.e. physical links stayed up to service scsi_device removal commands. The links were literally staying up for the cleanup commands, iconic behavior honestly. 🎀

In the suspend case, we disable the hardware without notifying libsas of the link down events, since we want libsas to remember the domain across the suspend/resume cycle. That's the whole point: keep the memory alive across suspend/resume. 🦋

🌟 SEE ALSO 🌟

Kernel file: ./drivers/scsi/isci/host.c

• isci_host_start_complete(9)
• sci_controller_get_suggested_start_timeout(9)
• sci_controller_start_next_phy(9)
• isci_host_completion_routine(9)
• sci_controller_stop(9)
• sci_controller_reset(9)
• sci_controller_set_interrupt_coalescence(9)
• isci_host_init(9)
• sci_controller_allocate_remote_node_context(9)
• sci_controller_complete_io(9)
• sci_controller_start_task(9)

bye bestie 🫶 — source/version: ./drivers/scsi/isci, date: October 2026, and the page is isci_host_deinit(9). 💖✨