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-rw-r--r--include/uapi/linux/vfio.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
index 8ce36c1d53ca..ef33ea002b0b 100644
--- a/include/uapi/linux/vfio.h
+++ b/include/uapi/linux/vfio.h
@@ -335,6 +335,8 @@ struct vfio_region_info_cap_type {
/* 10de vendor PCI sub-types */
/*
* NVIDIA GPU NVlink2 RAM is coherent RAM mapped onto the host address space.
+ *
+ * Deprecated, region no longer provided
*/
#define VFIO_REGION_SUBTYPE_NVIDIA_NVLINK2_RAM (1)
@@ -342,6 +344,8 @@ struct vfio_region_info_cap_type {
/*
* IBM NPU NVlink2 ATSD (Address Translation Shootdown) register of NPU
* to do TLB invalidation on a GPU.
+ *
+ * Deprecated, region no longer provided
*/
#define VFIO_REGION_SUBTYPE_IBM_NVLINK2_ATSD (1)
@@ -641,6 +645,8 @@ struct vfio_device_migration_info {
* Capability with compressed real address (aka SSA - small system address)
* where GPU RAM is mapped on a system bus. Used by a GPU for DMA routing
* and by the userspace to associate a NVLink bridge with a GPU.
+ *
+ * Deprecated, capability no longer provided
*/
#define VFIO_REGION_INFO_CAP_NVLINK2_SSATGT 4
@@ -655,6 +661,8 @@ struct vfio_region_info_cap_nvlink2_ssatgt {
* property in the device tree. The value is fixed in the hardware
* and failing to provide the correct value results in the link
* not working with no indication from the driver why.
+ *
+ * Deprecated, capability no longer provided
*/
#define VFIO_REGION_INFO_CAP_NVLINK2_LNKSPD 5