LXR qemu/include/hw/s390x/s390-pci-vfio.h

   1/*
   2 * s390 vfio-pci interfaces
   3 *
   4 * Copyright 2020 IBM Corp.
   5 * Author(s): Matthew Rosato <mjrosato@linux.ibm.com>
   6 *
   7 * This work is licensed under the terms of the GNU GPL, version 2 or (at
   8 * your option) any later version. See the COPYING file in the top-level
   9 * directory.
  10 */
  11
  12#ifndef HW_S390_PCI_VFIO_H
  13#define HW_S390_PCI_VFIO_H
  14
  15#include "hw/s390x/s390-pci-bus.h"
  16#include CONFIG_DEVICES
  17
  18#ifdef CONFIG_VFIO
  19bool s390_pci_update_dma_avail(int fd, unsigned int *avail);
  20S390PCIDMACount *s390_pci_start_dma_count(S390pciState *s,
  21                                          S390PCIBusDevice *pbdev);
  22void s390_pci_end_dma_count(S390pciState *s, S390PCIDMACount *cnt);
  23void s390_pci_get_clp_info(S390PCIBusDevice *pbdev);
  24#else
  25static inline bool s390_pci_update_dma_avail(int fd, unsigned int *avail)
  26{
  27    return false;
  28}
  29static inline S390PCIDMACount *s390_pci_start_dma_count(S390pciState *s,
  30                                                        S390PCIBusDevice *pbdev)
  31{
  32    return NULL;
  33}
  34static inline void s390_pci_end_dma_count(S390pciState *s,
  35                                          S390PCIDMACount *cnt) { }
  36static inline void s390_pci_get_clp_info(S390PCIBusDevice *pbdev) { }
  37#endif
  38
  39#endif
  40