diff options
| author | Matthew Rosato <mjrosato@linux.ibm.com> | 2020-10-26 11:34:34 -0400 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2020-11-01 12:30:52 -0700 |
| commit | cd7498d07fbb20fa04790ff7ee168a8a8d01cb30 (patch) | |
| tree | e0ca80da5259ea2faf8e45e729bcd3edf23c443e /include | |
| parent | 7486a62845b1e12011dd99973e4739f69d57cd38 (diff) | |
s390x/pci: Add routine to get the vfio dma available count
Create new files for separating out vfio-specific work for s390
pci. Add the first such routine, which issues VFIO_IOMMU_GET_INFO
ioctl to collect the current dma available count.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[aw: Fix non-Linux build with CONFIG_LINUX]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/s390x/s390-pci-vfio.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/hw/s390x/s390-pci-vfio.h b/include/hw/s390x/s390-pci-vfio.h new file mode 100644 index 0000000000..1727292e9b --- /dev/null +++ b/include/hw/s390x/s390-pci-vfio.h @@ -0,0 +1,24 @@ +/* + * s390 vfio-pci interfaces + * + * Copyright 2020 IBM Corp. + * Author(s): Matthew Rosato <mjrosato@linux.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or (at + * your option) any later version. See the COPYING file in the top-level + * directory. + */ + +#ifndef HW_S390_PCI_VFIO_H +#define HW_S390_PCI_VFIO_H + +#ifdef CONFIG_LINUX +bool s390_pci_update_dma_avail(int fd, unsigned int *avail); +#else +static inline bool s390_pci_update_dma_avail(int fd, unsigned int *avail) +{ + return false; +} +#endif + +#endif |