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| 2 | |
| 3 | * Copyright (c) 2005 Topspin Communications. All rights reserved.
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| 4 | * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
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| 5 | *
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| 6 | * This software is available to you under a choice of one of two
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| 7 | * licenses. You may choose to be licensed under the terms of the GNU
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| 8 | * General Public License (GPL) Version 2, available from the file
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| 9 | * COPYING in the main directory of this source tree, or the
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| 10 | * OpenIB.org BSD license below:
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| 11 | *
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| 12 | * Redistribution and use in source and binary forms, with or
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| 13 | * without modification, are permitted provided that the following
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| 14 | * conditions are met:
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| 15 | *
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| 16 | * - Redistributions of source code must retain the above
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| 17 | * copyright notice, this list of conditions and the following
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| 18 | * disclaimer.
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| 19 | *
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| 20 | * - Redistributions in binary form must reproduce the above
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| 21 | * copyright notice, this list of conditions and the following
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| 22 | * disclaimer in the documentation and/or other materials
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| 23 | * provided with the distribution.
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| 24 | *
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| 25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 26 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| 27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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| 29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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| 30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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| 32 | * SOFTWARE.
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| 33 |
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| 34 |
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| 35 | #ifndef MTHCA_ABI_USER_H
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| 36 | #define MTHCA_ABI_USER_H
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| 37 |
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| 38 | #include <linux/types.h>
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| 39 |
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| 40 | |
| 41 | * Increment this value if any changes that break userspace ABI
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| 42 | * compatibility are made.
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| 43 |
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| 44 | #define MTHCA_UVERBS_ABI_VERSION 1
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| 45 |
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| 46 | |
| 47 | * Make sure that all structs defined in this file remain laid out so
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| 48 | * that they pack the same way on 32-bit and 64-bit architectures (to
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| 49 | * avoid incompatibility between 32-bit userspace and 64-bit kernels).
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| 50 | * In particular do not use pointer types -- pass pointers in __u64
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| 51 | * instead.
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| 52 |
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| 53 | struct mthca_alloc_ucontext_resp {
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| 54 | __u32 qp_tab_size;
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| 55 | __u32 uarc_size;
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| 56 | };
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| 57 |
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| 58 | struct mthca_alloc_pd_resp {
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| 59 | __u32 pdn;
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| 60 | __u32 reserved;
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| 61 | };
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| 62 |
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| 63 | |
| 64 | * Mark the memory region with a DMA attribute that causes
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| 65 | * in-flight DMA to be flushed when the region is written to:
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| 66 |
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| 67 | #define MTHCA_MR_DMASYNC 0x1
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| 68 |
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| 69 | struct mthca_reg_mr {
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| 70 | __u32 mr_attrs;
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| 71 | __u32 reserved;
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| 72 | };
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| 73 |
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| 74 | struct mthca_create_cq {
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| 75 | __u32 lkey;
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| 76 | __u32 pdn;
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| 77 | __aligned_u64 arm_db_page;
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| 78 | __aligned_u64 set_db_page;
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| 79 | __u32 arm_db_index;
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| 80 | __u32 set_db_index;
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| 81 | };
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| 82 |
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| 83 | struct mthca_create_cq_resp {
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| 84 | __u32 cqn;
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| 85 | __u32 reserved;
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| 86 | };
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| 87 |
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| 88 | struct mthca_resize_cq {
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| 89 | __u32 lkey;
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| 90 | __u32 reserved;
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| 91 | };
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| 92 |
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| 93 | struct mthca_create_srq {
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| 94 | __u32 lkey;
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| 95 | __u32 db_index;
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| 96 | __aligned_u64 db_page;
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| 97 | };
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| 98 |
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| 99 | struct mthca_create_srq_resp {
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| 100 | __u32 srqn;
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| 101 | __u32 reserved;
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| 102 | };
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| 103 |
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| 104 | struct mthca_create_qp {
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| 105 | __u32 lkey;
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| 106 | __u32 reserved;
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| 107 | __aligned_u64 sq_db_page;
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| 108 | __aligned_u64 rq_db_page;
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| 109 | __u32 sq_db_index;
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| 110 | __u32 rq_db_index;
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| 111 | };
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| 112 | #endif
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