LXR linux/include/linux/pci-ats.h

   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
   9int pci_enable_pri(struct pci_dev *pdev, u32 reqs);
  10void pci_disable_pri(struct pci_dev *pdev);
  11void pci_restore_pri_state(struct pci_dev *pdev);
  12int pci_reset_pri(struct pci_dev *pdev);
  13
  14#else /* CONFIG_PCI_PRI */
  15
  16static inline int pci_enable_pri(struct pci_dev *pdev, u32 reqs)
  17{
  18        return -ENODEV;
  19}
  20
  21static inline void pci_disable_pri(struct pci_dev *pdev)
  22{
  23}
  24
  25static inline void pci_restore_pri_state(struct pci_dev *pdev)
  26{
  27}
  28
  29static 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
  38int pci_enable_pasid(struct pci_dev *pdev, int features);
  39void pci_disable_pasid(struct pci_dev *pdev);
  40void pci_restore_pasid_state(struct pci_dev *pdev);
  41int pci_pasid_features(struct pci_dev *pdev);
  42int pci_max_pasids(struct pci_dev *pdev);
  43
  44#else  /* CONFIG_PCI_PASID */
  45
  46static inline int pci_enable_pasid(struct pci_dev *pdev, int features)
  47{
  48        return -EINVAL;
  49}
  50
  51static inline void pci_disable_pasid(struct pci_dev *pdev)
  52{
  53}
  54
  55static inline void pci_restore_pasid_state(struct pci_dev *pdev)
  56{
  57}
  58
  59static inline int pci_pasid_features(struct pci_dev *pdev)
  60{
  61        return -EINVAL;
  62}
  63
  64static inline int pci_max_pasids(struct pci_dev *pdev)
  65{
  66        return -EINVAL;
  67}
  68
  69#endif /* CONFIG_PCI_PASID */
  70
  71
  72#endif /* LINUX_PCI_ATS_H*/
  73