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 51struct c2_buf_list { 52 void *buf; 53 DECLARE_PCI_UNMAP_ADDR(mapping) 54}; 55 56 57/* The user context keeps track of objects allocated for a 58 * particular user-mode client. */ 59struct c2_ucontext { 60 struct ib_ucontext ibucontext; 61}; 62 63struct c2_mtt; 64 65/* All objects associated with a PD are kept in the 66 * associated user context if present. 67 */ 68struct c2_pd { 69 struct ib_pd ibpd; 70 u32 pd_id; 71}; 72 73struct c2_mr { 74 struct ib_mr ibmr; 75 struct c2_pd *pd; 76 struct ib_umem *umem; 77}; 78 79struct c2_av; 80 81enum c2_ah_type { 82 C2_AH_ON_HCA, 83 C2_AH_PCI_POOL, 84 C2_AH_KMALLOC 85}; 86 87struct c2_ah { 88 struct ib_ah ibah; 89}; 90 91struct 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 103struct c2_wq { 104 spinlock_t lock; 105}; 106struct iw_cm_id; 107struct 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 125struct c2_cr_query_attrs { 126 u32 local_addr; 127 u32 remote_addr; 128 u16 local_port; 129 u16 remote_port; 130}; 131 132static inline struct c2_pd *to_c2pd(struct ib_pd *ibpd) 133{ 134 return container_of(ibpd, struct c2_pd, ibpd); 135} 136 137static inline struct c2_ucontext *to_c2ucontext(struct ib_ucontext *ibucontext) 138{ 139 return container_of(ibucontext, struct c2_ucontext, ibucontext); 140} 141 142static inline struct c2_mr *to_c2mr(struct ib_mr *ibmr) 143{ 144 return container_of(ibmr, struct c2_mr, ibmr); 145} 146 147 148static inline struct c2_ah *to_c2ah(struct ib_ah *ibah) 149{ 150 return container_of(ibah, struct c2_ah, ibah); 151} 152 153static inline struct c2_cq *to_c2cq(struct ib_cq *ibcq) 154{ 155 return container_of(ibcq, struct c2_cq, ibcq); 156} 157 158static inline struct c2_qp *to_c2qp(struct ib_qp *ibqp) 159{ 160 return container_of(ibqp, struct c2_qp, ibqp); 161} 162 163static 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 */ 183