4 * PCI Express ASPM defines and function prototypes
6 * Copyright (C) 2007 Intel Corp.
7 * Zhang Yanmin (yanmin.zhang@intel.com)
8 * Shaohua Li (shaohua.li@intel.com)
10 * For more information, please consult the following manuals (look at
11 * http://www.pcisig.com/ for how to get them):
13 * PCI Express Specification
19 #include <linux/pci.h>
21 #define PCIE_LINK_STATE_L0S 1
22 #define PCIE_LINK_STATE_L1 2
23 #define PCIE_LINK_STATE_CLKPM 4
25 #ifdef CONFIG_PCIEASPM
26 void pcie_aspm_init_link_state(struct pci_dev
*pdev
);
27 void pcie_aspm_exit_link_state(struct pci_dev
*pdev
);
28 void pcie_aspm_pm_state_change(struct pci_dev
*pdev
);
29 void pcie_aspm_powersave_config_link(struct pci_dev
*pdev
);
30 void pci_disable_link_state(struct pci_dev
*pdev
, int state
);
31 void pci_disable_link_state_locked(struct pci_dev
*pdev
, int state
);
32 void pcie_no_aspm(void);
34 static inline void pcie_aspm_init_link_state(struct pci_dev
*pdev
)
37 static inline void pcie_aspm_exit_link_state(struct pci_dev
*pdev
)
40 static inline void pcie_aspm_pm_state_change(struct pci_dev
*pdev
)
43 static inline void pcie_aspm_powersave_config_link(struct pci_dev
*pdev
)
46 static inline void pci_disable_link_state(struct pci_dev
*pdev
, int state
)
49 static inline void pcie_no_aspm(void)
54 #ifdef CONFIG_PCIEASPM_DEBUG /* this depends on CONFIG_PCIEASPM */
55 void pcie_aspm_create_sysfs_dev_files(struct pci_dev
*pdev
);
56 void pcie_aspm_remove_sysfs_dev_files(struct pci_dev
*pdev
);
58 static inline void pcie_aspm_create_sysfs_dev_files(struct pci_dev
*pdev
)
61 static inline void pcie_aspm_remove_sysfs_dev_files(struct pci_dev
*pdev
)
65 #endif /* LINUX_ASPM_H */
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