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pci-ats.h

pci-ats.h 1.4 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. #ifndef LINUX_PCI_ATS_H
    3. 

  3. #define LINUX_PCI_ATS_H
    4. 

  4. 

  5. #include <linux/pci.h>
    6. 

  6. 

  7. #ifdef CONFIG_PCI_PRI
    8. 

  8. 

  9. int pci_enable_pri(struct pci_dev *pdev, u32 reqs);
    10. 

  10. void pci_disable_pri(struct pci_dev *pdev);
    11. 

  11. void pci_restore_pri_state(struct pci_dev *pdev);
    12. 

  12. int pci_reset_pri(struct pci_dev *pdev);
    13. 

  13. 

  14. #else /* CONFIG_PCI_PRI */
    15. 

  15. 

  16. static inline int pci_enable_pri(struct pci_dev *pdev, u32 reqs)
    17. 

  17. {
    18. 

  18. 	return -ENODEV;
    19. 

  19. }
    20. 

  20. 

  21. static inline void pci_disable_pri(struct pci_dev *pdev)
    22. 

  22. {
    23. 

  23. }
    24. 

  24. 

  25. static inline void pci_restore_pri_state(struct pci_dev *pdev)
    26. 

  26. {
    27. 

  27. }
    28. 

  28. 

  29. static inline int pci_reset_pri(struct pci_dev *pdev)
    30. 

  30. {
    31. 

  31. 	return -ENODEV;
    32. 

  32. }
    33. 

  33. 

  34. #endif /* CONFIG_PCI_PRI */
    35. 

  35. 

  36. #ifdef CONFIG_PCI_PASID
    37. 

  37. 

  38. int pci_enable_pasid(struct pci_dev *pdev, int features);
    39. 

  39. void pci_disable_pasid(struct pci_dev *pdev);
    40. 

  40. void pci_restore_pasid_state(struct pci_dev *pdev);
    41. 

  41. int pci_pasid_features(struct pci_dev *pdev);
    42. 

  42. int pci_max_pasids(struct pci_dev *pdev);
    43. 

  43. 

  44. #else  /* CONFIG_PCI_PASID */
    45. 

  45. 

  46. static inline int pci_enable_pasid(struct pci_dev *pdev, int features)
    47. 

  47. {
    48. 

  48. 	return -EINVAL;
    49. 

  49. }
    50. 

  50. 

  51. static inline void pci_disable_pasid(struct pci_dev *pdev)
    52. 

  52. {
    53. 

  53. }
    54. 

  54. 

  55. static inline void pci_restore_pasid_state(struct pci_dev *pdev)
    56. 

  56. {
    57. 

  57. }
    58. 

  58. 

  59. static inline int pci_pasid_features(struct pci_dev *pdev)
    60. 

  60. {
    61. 

  61. 	return -EINVAL;
    62. 

  62. }
    63. 

  63. 

  64. static inline int pci_max_pasids(struct pci_dev *pdev)
    65. 

  65. {
    66. 

  66. 	return -EINVAL;
    67. 

  67. }
    68. 

  68. 

  69. #endif /* CONFIG_PCI_PASID */
    70. 

  70. 

  71. 

  72. #endif /* LINUX_PCI_ATS_H*/
    73. 

  73.