linux-sg2042/arch/x86/pci/bus_numa.h

26 lines
629 B
C

#ifndef __BUS_NUMA_H
#define __BUS_NUMA_H
/*
* sub bus (transparent) will use entres from 3 to store extra from
* root, so need to make sure we have enough slot there.
*/
#define RES_NUM 16
struct pci_root_info {
char name[12];
unsigned int res_num;
struct resource res[RES_NUM];
int bus_min;
int bus_max;
int node;
int link;
};
/* 4 at this time, it may become to 32 */
#define PCI_ROOT_NR 4
extern int pci_root_num;
extern struct pci_root_info pci_root_info[PCI_ROOT_NR];
extern void update_res(struct pci_root_info *info, resource_size_t start,
resource_size_t end, unsigned long flags, int merge);
#endif