libhsakmt: add new flag for svm

It is to add new option for always keeping gpu mapping
and bump KFD version for the feature of unified save
restore memory.

Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Change-Id: Iebee35e6de4d52fa29f82dd19f6bbf5640249492

include/linux/kfd_ioctl.h

@@ -35,9 +35,11 @@
  * - 1.7 - Checkpoint Restore (CRIU) API
  * - 1.8 - CRIU - Support for SDMA transfers with GTT BOs
  * - 1.9 - Add available_memory ioctl
+ * - 1.10 - Add SMI profiler event log
+ * - 1.11 - Add unified memory for ctx save/restore area
  */
 #define KFD_IOCTL_MAJOR_VERSION 1
-#define KFD_IOCTL_MINOR_VERSION 9
+#define KFD_IOCTL_MINOR_VERSION 11
 
 /*
  * Debug revision change log
@@ -1080,6 +1082,8 @@ struct kfd_ioctl_cross_memory_copy_args {
 #define KFD_IOCTL_SVM_FLAG_GPU_EXEC    0x00000010
 /* GPUs mostly read, may allow similar optimizations as RO, but writes fault */
 #define KFD_IOCTL_SVM_FLAG_GPU_READ_MOSTLY     0x00000020
+/* Keep GPU memory mapping always valid as if XNACK is disable */
+#define KFD_IOCTL_SVM_FLAG_GPU_ALWAYS_MAPPED   0x00000040
 
 /**
  * kfd_ioctl_svm_op - SVM ioctl operations