diff options
Diffstat (limited to 'arch/x86/pci/bus_numa.h')
| -rw-r--r-- | arch/x86/pci/bus_numa.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/x86/pci/bus_numa.h b/arch/x86/pci/bus_numa.h new file mode 100644 index 000000000000..adbc23fe82ac --- /dev/null +++ b/arch/x86/pci/bus_numa.h @@ -0,0 +1,27 @@ +#ifdef CONFIG_X86_64 + +/* + * sub bus (transparent) will use entres from 3 to store extra from + * root, so need to make sure we have enough slot there, Should we + * increase PCI_BUS_NUM_RESOURCES? + */ +#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 int found_all_numa_early; + +extern void update_res(struct pci_root_info *info, size_t start, + size_t end, unsigned long flags, int merge); +#endif |