include/linux/pci-ats.h

   1 #ifndef LINUX_PCI_ATS_H
   2 #define LINUX_PCI_ATS_H
   3
   4 #include <linux/pci.h>
   5
   6 #ifdef CONFIG_PCI_PRI
   7
   8 int pci_enable_pri(struct pci_dev *pdev, u32 reqs);
   9 void pci_disable_pri(struct pci_dev *pdev);
  10 int pci_reset_pri(struct pci_dev *pdev);
  11
  12 #else /* CONFIG_PCI_PRI */
  13
  14 static inline int pci_enable_pri(struct pci_dev *pdev, u32 reqs)
  15 {
  16         return -ENODEV;
  17 }
  18
  19 static inline void pci_disable_pri(struct pci_dev *pdev)
  20 {
  21 }
  22
  23 static inline int pci_reset_pri(struct pci_dev *pdev)
  24 {
  25         return -ENODEV;
  26 }
  27
  28 #endif /* CONFIG_PCI_PRI */
  29
  30 #ifdef CONFIG_PCI_PASID
  31
  32 int pci_enable_pasid(struct pci_dev *pdev, int features);
  33 void pci_disable_pasid(struct pci_dev *pdev);
  34 int pci_pasid_features(struct pci_dev *pdev);
  35 int pci_max_pasids(struct pci_dev *pdev);
  36
  37 #else  /* CONFIG_PCI_PASID */
  38
  39 static inline int pci_enable_pasid(struct pci_dev *pdev, int features)
  40 {
  41         return -EINVAL;
  42 }
  43
  44 static inline void pci_disable_pasid(struct pci_dev *pdev)
  45 {
  46 }
  47
  48 static inline int pci_pasid_features(struct pci_dev *pdev)
  49 {
  50         return -EINVAL;
  51 }
  52
  53 static inline int pci_max_pasids(struct pci_dev *pdev)
  54 {
  55         return -EINVAL;
  56 }
  57
  58 #endif /* CONFIG_PCI_PASID */
  59
  60
  61 #endif /* LINUX_PCI_ATS_H*/