62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/*
|
|
* 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 */
|