1 files changed, 56 insertions, 0 deletions

diff --git a/include/linux/pci-aspm.h b/include/linux/pci-aspm.h
new file mode 100644
index 000000000000..a1a1e618e996
--- /dev/null
+++ b/include/linux/pci-aspm.h
@@ -0,0 +1,56 @@
+/*
+ *      aspm.h
+ *
+ *      PCI Express ASPM defines and function prototypes
+ *
+ *      Copyright (C) 2007 Intel Corp.
+ *              Zhang Yanmin (yanmin.zhang@intel.com)
+ *              Shaohua Li (shaohua.li@intel.com)
+ *
+ *      For more information, please consult the following manuals (look at
+ *      http://www.pcisig.com/ for how to get them):
+ *
+ *      PCI Express Specification
+ */
+
+#ifndef LINUX_ASPM_H
+#define LINUX_ASPM_H
+
+#include <linux/pci.h>
+
+#define PCIE_LINK_STATE_L0S     1
+#define PCIE_LINK_STATE_L1      2
+#define PCIE_LINK_STATE_CLKPM   4
+
+#ifdef CONFIG_PCIEASPM
+extern void pcie_aspm_init_link_state(struct pci_dev *pdev);
+extern void pcie_aspm_exit_link_state(struct pci_dev *pdev);
+extern void pcie_aspm_pm_state_change(struct pci_dev *pdev);
+extern void pci_disable_link_state(struct pci_dev *pdev, int state);
+#else
+static inline void pcie_aspm_init_link_state(struct pci_dev *pdev)
+{
+}
+static inline void pcie_aspm_exit_link_state(struct pci_dev *pdev)
+{
+}
+static inline void pcie_aspm_pm_state_change(struct pci_dev *pdev)
+{
+}
+static inline void pci_disable_link_state(struct pci_dev *pdev, int state)
+{
+}
+#endif
+
+#ifdef CONFIG_PCIEASPM_DEBUG /* this depends on CONFIG_PCIEASPM */
+extern void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev);
+extern void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev);
+#else
+static inline void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev)
+{
+}
+static inline void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev)
+{
+}
+#endif
+#endif /* LINUX_ASPM_H */