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-rw-r--r--include/asm-generic/pci-bridge.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/include/asm-generic/pci-bridge.h b/include/asm-generic/pci-bridge.h
new file mode 100644
index 000000000..20db2e5a0
--- /dev/null
+++ b/include/asm-generic/pci-bridge.h
@@ -0,0 +1,74 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _ASM_GENERIC_PCI_BRIDGE_H
+#define _ASM_GENERIC_PCI_BRIDGE_H
+
+#ifdef __KERNEL__
+
+enum {
+ /* Force re-assigning all resources (ignore firmware
+ * setup completely)
+ */
+ PCI_REASSIGN_ALL_RSRC = 0x00000001,
+
+ /* Re-assign all bus numbers */
+ PCI_REASSIGN_ALL_BUS = 0x00000002,
+
+ /* Do not try to assign, just use existing setup */
+ PCI_PROBE_ONLY = 0x00000004,
+
+ /* Don't bother with ISA alignment unless the bridge has
+ * ISA forwarding enabled
+ */
+ PCI_CAN_SKIP_ISA_ALIGN = 0x00000008,
+
+ /* Enable domain numbers in /proc */
+ PCI_ENABLE_PROC_DOMAINS = 0x00000010,
+ /* ... except for domain 0 */
+ PCI_COMPAT_DOMAIN_0 = 0x00000020,
+
+ /* PCIe downstream ports are bridges that normally lead to only a
+ * device 0, but if this is set, we scan all possible devices, not
+ * just device 0.
+ */
+ PCI_SCAN_ALL_PCIE_DEVS = 0x00000040,
+};
+
+#ifdef CONFIG_PCI
+extern unsigned int pci_flags;
+
+static inline void pci_set_flags(int flags)
+{
+ pci_flags = flags;
+}
+
+static inline void pci_add_flags(int flags)
+{
+ pci_flags |= flags;
+}
+
+static inline void pci_clear_flags(int flags)
+{
+ pci_flags &= ~flags;
+}
+
+static inline int pci_has_flag(int flag)
+{
+ return pci_flags & flag;
+}
+#else
+static inline void pci_set_flags(int flags) { }
+static inline void pci_add_flags(int flags) { }
+static inline void pci_clear_flags(int flags) { }
+static inline int pci_has_flag(int flag)
+{
+ return 0;
+}
+#endif /* CONFIG_PCI */
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_GENERIC_PCI_BRIDGE_H */