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);
  43int pci_prg_resp_pasid_required(struct pci_dev *pdev);
  44
  45#else  /* CONFIG_PCI_PASID */
  46
  47static inline int pci_enable_pasid(struct pci_dev *pdev, int features)
  48{
  49        return -EINVAL;
  50}
  51
  52static inline void pci_disable_pasid(struct pci_dev *pdev)
  53{
  54}
  55
  56static inline void pci_restore_pasid_state(struct pci_dev *pdev)
  57{
  58}
  59
  60static inline int pci_pasid_features(struct pci_dev *pdev)
  61{
  62        return -EINVAL;
  63}
  64
  65static inline int pci_max_pasids(struct pci_dev *pdev)
  66{
  67        return -EINVAL;
  68}
  69
  70static 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*/
  78