diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/vfio.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index 1a36134cae5c..4f48bad09a37 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -240,6 +240,20 @@ struct vfio_device_info { #define VFIO_DEVICE_INFO_CAP_ZPCI_UTIL 3 #define VFIO_DEVICE_INFO_CAP_ZPCI_PFIP 4 +/* + * The following VFIO_DEVICE_INFO capability reports support for PCIe AtomicOp + * completion to the root bus with supported widths provided via flags. + */ +#define VFIO_DEVICE_INFO_CAP_PCI_ATOMIC_COMP 5 +struct vfio_device_info_cap_pci_atomic_comp { + struct vfio_info_cap_header header; + __u32 flags; +#define VFIO_PCI_ATOMIC_COMP32 (1 << 0) +#define VFIO_PCI_ATOMIC_COMP64 (1 << 1) +#define VFIO_PCI_ATOMIC_COMP128 (1 << 2) + __u32 reserved; +}; + /** * VFIO_DEVICE_GET_REGION_INFO - _IOWR(VFIO_TYPE, VFIO_BASE + 8, * struct vfio_region_info) |