root/include/linux/pci-ats.h

INCLUDED FROM

DEFINITIONS

1. pci_enable_pri
2. pci_disable_pri
3. pci_restore_pri_state
4. pci_reset_pri
5. pci_enable_pasid
6. pci_disable_pasid
7. pci_restore_pasid_state
8. pci_pasid_features
9. pci_max_pasids
10. pci_prg_resp_pasid_required

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef LINUX_PCI_ATS_H
   3 #define LINUX_PCI_ATS_H
   4 
   5 #include <linux/pci.h>
   6 
   7 #ifdef CONFIG_PCI_PRI
   8 
   9 int pci_enable_pri(struct pci_dev *pdev, u32 reqs);
  10 void pci_disable_pri(struct pci_dev *pdev);
  11 void pci_restore_pri_state(struct pci_dev *pdev);
  12 int pci_reset_pri(struct pci_dev *pdev);
  13 
  14 #else /* CONFIG_PCI_PRI */
  15 
  16 static inline int pci_enable_pri(struct pci_dev *pdev, u32 reqs)
  17 {
  18         return -ENODEV;
  19 }
  20 
  21 static inline void pci_disable_pri(struct pci_dev *pdev)
  22 {
  23 }
  24 
  25 static inline void pci_restore_pri_state(struct pci_dev *pdev)
  26 {
  27 }
  28 
  29 static inline int pci_reset_pri(struct pci_dev *pdev)
  30 {
  31         return -ENODEV;
  32 }
  33 
  34 #endif /* CONFIG_PCI_PRI */
  35 
  36 #ifdef CONFIG_PCI_PASID
  37 
  38 int pci_enable_pasid(struct pci_dev *pdev, int features);
  39 void pci_disable_pasid(struct pci_dev *pdev);
  40 void pci_restore_pasid_state(struct pci_dev *pdev);
  41 int pci_pasid_features(struct pci_dev *pdev);
  42 int pci_max_pasids(struct pci_dev *pdev);
  43 int pci_prg_resp_pasid_required(struct pci_dev *pdev);
  44 
  45 #else  /* CONFIG_PCI_PASID */
  46 
  47 static inline int pci_enable_pasid(struct pci_dev *pdev, int features)
  48 {
  49         return -EINVAL;
  50 }
  51 
  52 static inline void pci_disable_pasid(struct pci_dev *pdev)
  53 {
  54 }
  55 
  56 static inline void pci_restore_pasid_state(struct pci_dev *pdev)
  57 {
  58 }
  59 
  60 static inline int pci_pasid_features(struct pci_dev *pdev)
  61 {
  62         return -EINVAL;
  63 }
  64 
  65 static inline int pci_max_pasids(struct pci_dev *pdev)
  66 {
  67         return -EINVAL;
  68 }
  69 
  70 static inline int pci_prg_resp_pasid_required(struct pci_dev *pdev)
  71 {
  72         return 0;
  73 }
  74 #endif /* CONFIG_PCI_PASID */
  75 
  76 
  77 #endif /* LINUX_PCI_ATS_H*/