1#ifndef _GPXE_PCIBACKUP_H
2#define _GPXE_PCIBACKUP_H
3
4/** @file
5 *
6 * PCI configuration space backup and restoration
7 *
8 */
9
10FILE_LICENCE ( GPL2_OR_LATER );
11
12#include <stdint.h>
13
14/** A PCI configuration space backup */
15struct pci_config_backup {
16	uint32_t dwords[64];
17};
18
19/** PCI configuration space backup exclusion list end marker */
20#define PCI_CONFIG_BACKUP_EXCLUDE_END 0xff
21
22/** Define a PCI configuration space backup exclusion list */
23#define PCI_CONFIG_BACKUP_EXCLUDE(...) \
24	{ __VA_ARGS__, PCI_CONFIG_BACKUP_EXCLUDE_END }
25
26extern void pci_backup ( struct pci_device *pci,
27			 struct pci_config_backup *backup,
28			 const uint8_t *exclude );
29extern void pci_restore ( struct pci_device *pci,
30			  struct pci_config_backup *backup,
31			  const uint8_t *exclude );
32
33#endif /* _GPXE_PCIBACKUP_H */
34