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- /*
- * 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
- #define pcie_aspm_init_link_state(pdev) do {} while (0)
- #define pcie_aspm_exit_link_state(pdev) do {} while (0)
- #define pcie_aspm_pm_state_change(pdev) do {} while (0)
- #define pci_disable_link_state(pdev, state) do {} while (0)
- #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
- #define pcie_aspm_create_sysfs_dev_files(pdev) do {} while (0)
- #define pcie_aspm_remove_sysfs_dev_files(pdev) do {} while (0)
- #endif
- #endif /* LINUX_ASPM_H */
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