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Diffstat (limited to 'arch/x86/pci/bus_numa.h')
-rw-r--r--arch/x86/pci/bus_numa.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/x86/pci/bus_numa.h b/arch/x86/pci/bus_numa.h
new file mode 100644
index 00000000..804a4b40
--- /dev/null
+++ b/arch/x86/pci/bus_numa.h
@@ -0,0 +1,25 @@
+#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