1 files changed, 10 insertions, 0 deletions

diff --git a/tools/include/uapi/linux/prctl.h b/tools/include/uapi/linux/prctl.h
index a8d0759a9e40..af5f8c2df87a 100644
--- a/tools/include/uapi/linux/prctl.h
+++ b/tools/include/uapi/linux/prctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 #ifndef _LINUX_PRCTL_H
 #define _LINUX_PRCTL_H
 
@@ -197,4 +198,13 @@ struct prctl_mm_map {
 # define PR_CAP_AMBIENT_LOWER           3
 # define PR_CAP_AMBIENT_CLEAR_ALL       4
 
+/* arm64 Scalable Vector Extension controls */
+/* Flag values must be kept in sync with ptrace NT_ARM_SVE interface */
+#define PR_SVE_SET_VL                   50      /* set task vector length */
+# define PR_SVE_SET_VL_ONEXEC           (1 << 18) /* defer effect until exec */
+#define PR_SVE_GET_VL                   51      /* get task vector length */
+/* Bits common to PR_SVE_SET_VL and PR_SVE_GET_VL */
+# define PR_SVE_VL_LEN_MASK             0xffff
+# define PR_SVE_VL_INHERIT              (1 << 17) /* inherit across exec */
+
 #endif /* _LINUX_PRCTL_H */