1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. 4 */ 5 6 #ifndef __UAPI_LINUX_NSM_H 7 #define __UAPI_LINUX_NSM_H 8 9 #include <linux/ioctl.h> 10 #include <linux/types.h> 11 12 #define NSM_MAGIC 0x0A 13 14 #define NSM_REQUEST_MAX_SIZE 0x1000 15 #define NSM_RESPONSE_MAX_SIZE 0x3000 16 17 struct nsm_iovec { 18 __u64 addr; /* Virtual address of target buffer */ 19 __u64 len; /* Length of target buffer */ 20 }; 21 22 /* Raw NSM message. Only available with CAP_SYS_ADMIN. */ 23 struct nsm_raw { 24 /* Request from user */ 25 struct nsm_iovec request; 26 /* Response to user */ 27 struct nsm_iovec response; 28 }; 29 #define NSM_IOCTL_RAW _IOWR(NSM_MAGIC, 0x0, struct nsm_raw) 30 31 #endif /* __UAPI_LINUX_NSM_H */ 32