/arch/x86/pci/bus_numa.h

 1#ifndef __BUS_NUMA_H
 2#define __BUS_NUMA_H
 3/*
 4 * sub bus (transparent) will use entres from 3 to store extra from
 5 * root, so need to make sure we have enough slot there.
 6 */
 7#define RES_NUM 16
 8struct pci_root_info {
 9	char name[12];
10	unsigned int res_num;
11	struct resource res[RES_NUM];
12	int bus_min;
13	int bus_max;
14	int node;
15	int link;
16};
17
18/* 4 at this time, it may become to 32 */
19#define PCI_ROOT_NR 4
20extern int pci_root_num;
21extern struct pci_root_info pci_root_info[PCI_ROOT_NR];
22
23extern void update_res(struct pci_root_info *info, resource_size_t start,
24		      resource_size_t end, unsigned long flags, int merge);
25#endif