| 1 | |
| 2 | * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved.
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| 3 | *
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| 4 | * This software is available to you under a choice of one of two
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| 5 | * licenses. You may choose to be licensed under the terms of the GNU
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| 6 | * General Public License (GPL) Version 2, available from the file
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| 7 | * COPYING in the main directory of this source tree, or the
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| 8 | * OpenIB.org BSD license below:
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| 9 | *
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| 10 | * Redistribution and use in source and binary forms, with or
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| 11 | * without modification, are permitted provided that the following
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| 12 | * conditions are met:
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| 13 | *
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| 14 | * - Redistributions of source code must retain the above
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| 15 | * copyright notice, this list of conditions and the following
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| 16 | * disclaimer.
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| 17 | *
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| 18 | * - Redistributions in binary form must reproduce the above
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| 19 | * copyright notice, this list of conditions and the following
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| 20 | * disclaimer in the documentation and/or other materials
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| 21 | * provided with the distribution.
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| 22 | *
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| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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| 27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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| 28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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| 30 | * SOFTWARE.
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| 31 |
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| 32 |
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| 33 | #ifndef RDMA_USER_IOCTL_CMDS_H
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| 34 | #define RDMA_USER_IOCTL_CMDS_H
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| 35 |
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| 36 | #include <linux/types.h>
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| 37 | #include <linux/ioctl.h>
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| 38 |
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| 39 |
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| 40 | #define RDMA_IOCTL_MAGIC 0x1b
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| 41 | #define RDMA_VERBS_IOCTL \
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| 42 | _IOWR(RDMA_IOCTL_MAGIC, 1, struct ib_uverbs_ioctl_hdr)
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| 43 |
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| 44 | enum {
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| 45 |
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| 46 | UVERBS_ATTR_F_MANDATORY = 1U << 0,
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| 47 | |
| 48 | * Valid output bit should be ignored and considered set in
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| 49 | * mandatory fields. This bit is kernel output.
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| 50 |
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| 51 | UVERBS_ATTR_F_VALID_OUTPUT = 1U << 1,
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| 52 | };
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| 53 |
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| 54 | struct ib_uverbs_attr {
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| 55 | __u16 attr_id;
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| 56 | __u16 len;
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| 57 | __u16 flags;
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| 58 | union {
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| 59 | struct {
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| 60 | __u8 elem_id;
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| 61 | __u8 reserved;
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| 62 | } enum_data;
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| 63 | __u16 reserved;
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| 64 | } attr_data;
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| 65 | union {
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| 66 | |
| 67 | * ptr to command, inline data, idr/fd or
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| 68 | * ptr to __u32 array of IDRs
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| 69 |
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| 70 | __aligned_u64 data;
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| 71 |
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| 72 | __s64 data_s64;
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| 73 | };
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| 74 | };
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| 75 |
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| 76 | struct ib_uverbs_ioctl_hdr {
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| 77 | __u16 length;
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| 78 | __u16 object_id;
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| 79 | __u16 method_id;
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| 80 | __u16 num_attrs;
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| 81 | __aligned_u64 reserved1;
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| 82 | __u32 driver_id;
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| 83 | __u32 reserved2;
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| 84 | struct ib_uverbs_attr attrs[];
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| 85 | };
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| 86 |
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| 87 | #endif
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