| /* | |
| * 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); | |
| extern void pcie_no_aspm(void); | |
| #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) | |
| { | |
| } | |
| static inline void pcie_no_aspm(void) | |
| { | |
| } | |
| #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 */ |