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/* SPDX-License-Identifier: GPL-2.0 */
/*
* PCI Live Update support (core API)
*
* Copyright (c) 2026, Google LLC.
* David Matlack <dmatlack@google.com>
*/
#ifndef DRIVERS_PCI_LIVEUPDATE_H
#define DRIVERS_PCI_LIVEUPDATE_H
#include <linux/pci.h>
#ifdef CONFIG_PCI_LIVEUPDATE
void pci_liveupdate_setup_device(struct pci_dev *dev);
void pci_liveupdate_cleanup_device(struct pci_dev *dev);
void pci_liveupdate_freeze(struct pci_dev *dev);
bool pci_liveupdate_preserve_bus_numbers(void);
bool pci_liveupdate_refuse_bus_numbers(struct pci_bus *bus, struct pci_dev *dev);
int pci_liveupdate_adopt_acs(struct pci_dev *dev);
int pci_liveupdate_adopt_ari(struct pci_dev *dev);
bool pci_liveupdate_is_outgoing(struct pci_dev *dev);
#else
static inline void pci_liveupdate_setup_device(struct pci_dev *dev)
{
}
static inline void pci_liveupdate_cleanup_device(struct pci_dev *dev)
{
}
static inline void pci_liveupdate_freeze(struct pci_dev *dev)
{
}
static inline bool pci_liveupdate_preserve_bus_numbers(void)
{
return false;
}
static inline bool pci_liveupdate_refuse_bus_numbers(struct pci_bus *bus,
struct pci_dev *dev)
{
return false;
}
static inline int pci_liveupdate_adopt_acs(struct pci_dev *dev)
{
return -EINVAL;
}
static inline int pci_liveupdate_adopt_ari(struct pci_dev *dev)
{
return -EINVAL;
}
static inline bool pci_liveupdate_is_outgoing(struct pci_dev *dev)
{
return false;
}
#endif
#endif /* DRIVERS_PCI_LIVEUPDATE_H */
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