projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 7d715a6c SL |
2 | /* |
| 3 | * aspm.h | |
| 4 | * | |
| 5 | * PCI Express ASPM defines and function prototypes | |
| 6 | * | |
| 7 | * Copyright (C) 2007 Intel Corp. | |
| 8 | * Zhang Yanmin (yanmin.zhang@intel.com) | |
| 9 | * Shaohua Li (shaohua.li@intel.com) | |
| 10 | * | |
| 11 | * For more information, please consult the following manuals (look at | |
| 12 | * http://www.pcisig.com/ for how to get them): | |
| 13 | * | |
| 14 | * PCI Express Specification | |
| 15 | */ | |
| 16 | ||
| 17 | #ifndef LINUX_ASPM_H | |
| 18 | #define LINUX_ASPM_H | |
| 19 | ||
| 20 | #include <linux/pci.h> | |
| 21 | ||
| 22 | #define PCIE_LINK_STATE_L0S 1 | |
| 23 | #define PCIE_LINK_STATE_L1 2 | |
| 24 | #define PCIE_LINK_STATE_CLKPM 4 | |
| 25 | ||
| 26 | #ifdef CONFIG_PCIEASPM | |
| f39d5b72 BH |
27 | void pci_disable_link_state(struct pci_dev *pdev, int state); |
| 28 | void pci_disable_link_state_locked(struct pci_dev *pdev, int state); | |
| f39d5b72 | 29 | void pcie_no_aspm(void); |
| 7d715a6c | 30 | #else |
| 034b000e BH |
31 | static inline void pci_disable_link_state(struct pci_dev *pdev, int state) { } |
| 32 | static inline void pcie_no_aspm(void) { } | |
| 7d715a6c SL |
33 | #endif |
| 34 | ||
| 7d715a6c | 35 | #endif /* LINUX_ASPM_H */ |