pci_dev_set_io_state(9)

🎀 NAME 🎀

okay so bestie, this is pci_dev_set_io_state(9), straight out of the Kernel API Manual ✨ — and it’s giving “set the new error state if possible.”

pci_dev_set_io_state — Set the new error state if possible. 💅

✨ SYNOPSIS ✨

bool pci_dev_set_io_state (struct pci_dev *dev , pci_channel_state_t new
);

💅 ARGUMENTS 💅

• dev — the PCI device to set new error_state. main character device energy 🫶
• new — the state we want dev to be in. manifesting it fr fr 🌈

🦋 DESCRIPTION 🦋

Okay so here’s the vibe check: if the device is experiencing perm_failure, it has to remain in that state — no cap, that’s non-negotiable 💀.

Any other transition is allowed, slay ✨.

Returns true if state has been changed to the requested state. periodt. 👑

👑 SEE ALSO 👑

Kernel file ./drivers/pci/pci.h is in the group chat, along with:

• PCI_FIND_NEXT_CAP(9)
• PCI_FIND_NEXT_EXT_CAP(9)
• pci_bar_index_is_valid(9)
• pci_id_from_device(9)
• pci_match_one_id(9)
• pci_resource_num(9)
• struct aer_err_info(9)

cute sign-off: big love from the ./drivers/pci crew in the Kernel API Manual, October 2026, for pci_dev_set_io_state(9) 💖🦋✨