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s390-pci-vfio.h (1384B)

      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
     19 bool s390_pci_update_dma_avail(int fd, unsigned int *avail);
     20 S390PCIDMACount *s390_pci_start_dma_count(S390pciState *s,
     21                                           S390PCIBusDevice *pbdev);
     22 void s390_pci_end_dma_count(S390pciState *s, S390PCIDMACount *cnt);
     23 bool s390_pci_get_host_fh(S390PCIBusDevice *pbdev, uint32_t *fh);
     24 void s390_pci_get_clp_info(S390PCIBusDevice *pbdev);
     25 #else
     26 static inline bool s390_pci_update_dma_avail(int fd, unsigned int *avail)
     27 {
     28     return false;
     29 }
     30 static inline S390PCIDMACount *s390_pci_start_dma_count(S390pciState *s,
     31                                                         S390PCIBusDevice *pbdev)
     32 {
     33     return NULL;
     34 }
     35 static inline void s390_pci_end_dma_count(S390pciState *s,
     36                                           S390PCIDMACount *cnt) { }
     37 static inline bool s390_pci_get_host_fh(S390PCIBusDevice *pbdev, uint32_t *fh)
     38 {
     39     return false;
     40 }
     41 static inline void s390_pci_get_clp_info(S390PCIBusDevice *pbdev) { }
     42 #endif
     43 
     44 #endif