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