Tom Tucker | f94b533 | 2006-09-22 15:22:48 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2005 Ammasso, Inc. All rights reserved. |
| 3 | * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. |
| 4 | * |
| 5 | * This software is available to you under a choice of one of two |
| 6 | * licenses. You may choose to be licensed under the terms of the GNU |
| 7 | * General Public License (GPL) Version 2, available from the file |
| 8 | * COPYING in the main directory of this source tree, or the |
| 9 | * OpenIB.org BSD license below: |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or |
| 12 | * without modification, are permitted provided that the following |
| 13 | * conditions are met: |
| 14 | * |
| 15 | * - Redistributions of source code must retain the above |
| 16 | * copyright notice, this list of conditions and the following |
| 17 | * disclaimer. |
| 18 | * |
| 19 | * - Redistributions in binary form must reproduce the above |
| 20 | * copyright notice, this list of conditions and the following |
| 21 | * disclaimer in the documentation and/or other materials |
| 22 | * provided with the distribution. |
| 23 | * |
| 24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 25 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 26 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 27 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 28 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 29 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 30 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 31 | * SOFTWARE. |
| 32 | * |
| 33 | */ |
| 34 | |
| 35 | #ifndef C2_PROVIDER_H |
| 36 | #define C2_PROVIDER_H |
| 37 | #include <linux/inetdevice.h> |
| 38 | |
| 39 | #include <rdma/ib_verbs.h> |
| 40 | #include <rdma/ib_pack.h> |
| 41 | |
| 42 | #include "c2_mq.h" |
| 43 | #include <rdma/iw_cm.h> |
| 44 | |
| 45 | #define C2_MPT_FLAG_ATOMIC (1 << 14) |
| 46 | #define C2_MPT_FLAG_REMOTE_WRITE (1 << 13) |
| 47 | #define C2_MPT_FLAG_REMOTE_READ (1 << 12) |
| 48 | #define C2_MPT_FLAG_LOCAL_WRITE (1 << 11) |
| 49 | #define C2_MPT_FLAG_LOCAL_READ (1 << 10) |
| 50 | |
| 51 | struct c2_buf_list { |
| 52 | void *buf; |
FUJITA Tomonori | e749444 | 2010-04-21 15:23:10 -0700 | [diff] [blame] | 53 | DEFINE_DMA_UNMAP_ADDR(mapping); |
Tom Tucker | f94b533 | 2006-09-22 15:22:48 -0700 | [diff] [blame] | 54 | }; |
| 55 | |
| 56 | |
| 57 | /* The user context keeps track of objects allocated for a |
| 58 | * particular user-mode client. */ |
| 59 | struct c2_ucontext { |
| 60 | struct ib_ucontext ibucontext; |
| 61 | }; |
| 62 | |
| 63 | struct c2_mtt; |
| 64 | |
| 65 | /* All objects associated with a PD are kept in the |
| 66 | * associated user context if present. |
| 67 | */ |
| 68 | struct c2_pd { |
| 69 | struct ib_pd ibpd; |
| 70 | u32 pd_id; |
| 71 | }; |
| 72 | |
| 73 | struct c2_mr { |
| 74 | struct ib_mr ibmr; |
| 75 | struct c2_pd *pd; |
Roland Dreier | f7c6a7b | 2007-03-04 16:15:11 -0800 | [diff] [blame] | 76 | struct ib_umem *umem; |
Tom Tucker | f94b533 | 2006-09-22 15:22:48 -0700 | [diff] [blame] | 77 | }; |
| 78 | |
| 79 | struct c2_av; |
| 80 | |
| 81 | enum c2_ah_type { |
| 82 | C2_AH_ON_HCA, |
| 83 | C2_AH_PCI_POOL, |
| 84 | C2_AH_KMALLOC |
| 85 | }; |
| 86 | |
| 87 | struct c2_ah { |
| 88 | struct ib_ah ibah; |
| 89 | }; |
| 90 | |
| 91 | struct c2_cq { |
| 92 | struct ib_cq ibcq; |
| 93 | spinlock_t lock; |
| 94 | atomic_t refcount; |
| 95 | int cqn; |
| 96 | int is_kernel; |
| 97 | wait_queue_head_t wait; |
| 98 | |
| 99 | u32 adapter_handle; |
| 100 | struct c2_mq mq; |
| 101 | }; |
| 102 | |
| 103 | struct c2_wq { |
| 104 | spinlock_t lock; |
| 105 | }; |
| 106 | struct iw_cm_id; |
| 107 | struct c2_qp { |
| 108 | struct ib_qp ibqp; |
| 109 | struct iw_cm_id *cm_id; |
| 110 | spinlock_t lock; |
| 111 | atomic_t refcount; |
| 112 | wait_queue_head_t wait; |
| 113 | int qpn; |
| 114 | |
| 115 | u32 adapter_handle; |
| 116 | u32 send_sgl_depth; |
| 117 | u32 recv_sgl_depth; |
| 118 | u32 rdma_write_sgl_depth; |
| 119 | u8 state; |
| 120 | |
| 121 | struct c2_mq sq_mq; |
| 122 | struct c2_mq rq_mq; |
| 123 | }; |
| 124 | |
| 125 | struct c2_cr_query_attrs { |
| 126 | u32 local_addr; |
| 127 | u32 remote_addr; |
| 128 | u16 local_port; |
| 129 | u16 remote_port; |
| 130 | }; |
| 131 | |
| 132 | static inline struct c2_pd *to_c2pd(struct ib_pd *ibpd) |
| 133 | { |
| 134 | return container_of(ibpd, struct c2_pd, ibpd); |
| 135 | } |
| 136 | |
| 137 | static inline struct c2_ucontext *to_c2ucontext(struct ib_ucontext *ibucontext) |
| 138 | { |
| 139 | return container_of(ibucontext, struct c2_ucontext, ibucontext); |
| 140 | } |
| 141 | |
| 142 | static inline struct c2_mr *to_c2mr(struct ib_mr *ibmr) |
| 143 | { |
| 144 | return container_of(ibmr, struct c2_mr, ibmr); |
| 145 | } |
| 146 | |
| 147 | |
| 148 | static inline struct c2_ah *to_c2ah(struct ib_ah *ibah) |
| 149 | { |
| 150 | return container_of(ibah, struct c2_ah, ibah); |
| 151 | } |
| 152 | |
| 153 | static inline struct c2_cq *to_c2cq(struct ib_cq *ibcq) |
| 154 | { |
| 155 | return container_of(ibcq, struct c2_cq, ibcq); |
| 156 | } |
| 157 | |
| 158 | static inline struct c2_qp *to_c2qp(struct ib_qp *ibqp) |
| 159 | { |
| 160 | return container_of(ibqp, struct c2_qp, ibqp); |
| 161 | } |
| 162 | |
| 163 | static inline int is_rnic_addr(struct net_device *netdev, u32 addr) |
| 164 | { |
| 165 | struct in_device *ind; |
| 166 | int ret = 0; |
| 167 | |
| 168 | ind = in_dev_get(netdev); |
| 169 | if (!ind) |
| 170 | return 0; |
| 171 | |
| 172 | for_ifa(ind) { |
| 173 | if (ifa->ifa_address == addr) { |
| 174 | ret = 1; |
| 175 | break; |
| 176 | } |
| 177 | } |
| 178 | endfor_ifa(ind); |
| 179 | in_dev_put(ind); |
| 180 | return ret; |
| 181 | } |
| 182 | #endif /* C2_PROVIDER_H */ |