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
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