p2sb.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Primary to Sideband (P2SB) bridge access support
 4 */
 5
 6#ifndef _PLATFORM_DATA_X86_P2SB_H
 7#define _PLATFORM_DATA_X86_P2SB_H
 8
 9#include <linux/errno.h>
10#include <linux/kconfig.h>
11
12struct pci_bus;
13struct resource;
14
15#if IS_BUILTIN(CONFIG_P2SB)
16
17int p2sb_bar(struct pci_bus *bus, unsigned int devfn, struct resource *mem);
18
19#else /* CONFIG_P2SB */
20
21static inline int p2sb_bar(struct pci_bus *bus, unsigned int devfn, struct resource *mem)
22{
23	return -ENODEV;
24}
25
26#endif /* CONFIG_P2SB is not set */
27
28#endif /* _PLATFORM_DATA_X86_P2SB_H */