21fa15298d
In order to interface with the underlying host zPCI device, we need to know its function handle. Add a routine to grab this from the vfio CLP capabilities chain. Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> Reviewed-by: Pierre Morel <pmorel@linux.ibm.com> Message-Id: <20220902172737.170349-3-mjrosato@linux.ibm.com> [thuth: Replace free(info) with g_free(info)] Signed-off-by: Thomas Huth <thuth@redhat.com>
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* s390 vfio-pci interfaces
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*
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* Copyright 2020 IBM Corp.
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* Author(s): Matthew Rosato <mjrosato@linux.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or (at
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* your option) any later version. See the COPYING file in the top-level
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* directory.
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*/
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#ifndef HW_S390_PCI_VFIO_H
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#define HW_S390_PCI_VFIO_H
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#include "hw/s390x/s390-pci-bus.h"
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#include CONFIG_DEVICES
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#ifdef CONFIG_VFIO
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bool s390_pci_update_dma_avail(int fd, unsigned int *avail);
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S390PCIDMACount *s390_pci_start_dma_count(S390pciState *s,
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S390PCIBusDevice *pbdev);
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void s390_pci_end_dma_count(S390pciState *s, S390PCIDMACount *cnt);
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bool s390_pci_get_host_fh(S390PCIBusDevice *pbdev, uint32_t *fh);
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void s390_pci_get_clp_info(S390PCIBusDevice *pbdev);
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#else
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static inline bool s390_pci_update_dma_avail(int fd, unsigned int *avail)
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{
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return false;
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}
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static inline S390PCIDMACount *s390_pci_start_dma_count(S390pciState *s,
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S390PCIBusDevice *pbdev)
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{
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return NULL;
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}
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static inline void s390_pci_end_dma_count(S390pciState *s,
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S390PCIDMACount *cnt) { }
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static inline bool s390_pci_get_host_fh(S390PCIBusDevice *pbdev, uint32_t *fh)
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{
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return false;
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}
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static inline void s390_pci_get_clp_info(S390PCIBusDevice *pbdev) { }
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#endif
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#endif
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