On 5/27/23 01:15, Alex Williamson wrote:
This is a partial linux-headers update for illustrative and testing
purposes only, NOT FOR COMMIT.
Are you planing such an update for v6.5 ?
Thanks,
C.
Signed-off-by: Alex Williamson <[email protected]>
---
linux-headers/linux/vfio.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index 4a534edbdcba..443a8851e156 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/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)
