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-rw-r--r--arch/x86/pci/bus_numa.h27
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 000000000..697dd841b
--- /dev/null
+++ b/arch/x86/pci/bus_numa.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#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.
+ */
+struct pci_root_res {
+ struct list_head list;
+ struct resource res;
+};
+
+struct pci_root_info {
+ struct list_head list;
+ char name[12];
+ struct list_head resources;
+ struct resource busn;
+ int node;
+ int link;
+};
+
+extern struct list_head pci_root_infos;
+struct pci_root_info *alloc_pci_root_info(int bus_min, int bus_max,
+ int node, int link);
+extern void update_res(struct pci_root_info *info, resource_size_t start,
+ resource_size_t end, unsigned long flags, int merge);
+#endif