1/* 2 * Copyright (c) 2006 - 2009 Intel-NE, 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 NES_VERBS_H 36#define NES_VERBS_H 37 38struct nes_device; 39 40#define NES_MAX_USER_DB_REGIONS 4096 41#define NES_MAX_USER_WQ_REGIONS 4096 42 43#define NES_TERM_SENT 0x01 44#define NES_TERM_RCVD 0x02 45#define NES_TERM_DONE 0x04 46 47struct nes_ucontext { 48 struct ib_ucontext ibucontext; 49 struct nes_device *nesdev; 50 unsigned long mmap_wq_offset; 51 unsigned long mmap_cq_offset; /* to be removed */ 52 int index; /* rnic index (minor) */ 53 unsigned long allocated_doorbells[BITS_TO_LONGS(NES_MAX_USER_DB_REGIONS)]; 54 u16 mmap_db_index[NES_MAX_USER_DB_REGIONS]; 55 u16 first_free_db; 56 unsigned long allocated_wqs[BITS_TO_LONGS(NES_MAX_USER_WQ_REGIONS)]; 57 struct nes_qp *mmap_nesqp[NES_MAX_USER_WQ_REGIONS]; 58 u16 first_free_wq; 59 struct list_head cq_reg_mem_list; 60 struct list_head qp_reg_mem_list; 61 u32 mcrqf; 62 atomic_t usecnt; 63}; 64 65struct nes_pd { 66 struct ib_pd ibpd; 67 u16 pd_id; 68 atomic_t sqp_count; 69 u16 mmap_db_index; 70}; 71 72struct nes_mr { 73 union { 74 struct ib_mr ibmr; 75 struct ib_mw ibmw; 76 struct ib_fmr ibfmr; 77 }; 78 struct ib_umem *region; 79 u16 pbls_used; 80 u8 mode; 81 u8 pbl_4k; 82}; 83 84struct nes_hw_pb { 85 __le32 pa_low; 86 __le32 pa_high; 87}; 88 89struct nes_vpbl { 90 dma_addr_t pbl_pbase; 91 struct nes_hw_pb *pbl_vbase; 92}; 93 94struct nes_root_vpbl { 95 dma_addr_t pbl_pbase; 96 struct nes_hw_pb *pbl_vbase; 97 struct nes_vpbl *leaf_vpbl; 98}; 99 100struct nes_fmr { 101 struct nes_mr nesmr; 102 u32 leaf_pbl_cnt; 103 struct nes_root_vpbl root_vpbl; 104 struct ib_qp *ib_qp; 105 int access_rights; 106 struct ib_fmr_attr attr; 107}; 108 109struct nes_av; 110 111struct nes_cq { 112 struct ib_cq ibcq; 113 struct nes_hw_cq hw_cq; 114 u32 polled_completions; 115 u32 cq_mem_size; 116 spinlock_t lock; 117 u8 virtual_cq; 118 u8 pad[3]; 119 u32 mcrqf; 120}; 121 122struct nes_wq { 123 spinlock_t lock; 124}; 125 126struct disconn_work { 127 struct work_struct work; 128 struct nes_qp *nesqp; 129}; 130 131struct iw_cm_id; 132struct ietf_mpa_frame; 133 134struct nes_qp { 135 struct ib_qp ibqp; 136 void *allocated_buffer; 137 struct iw_cm_id *cm_id; 138 struct workqueue_struct *wq; 139 struct nes_cq *nesscq; 140 struct nes_cq *nesrcq; 141 struct nes_pd *nespd; 142 void *cm_node; /* handle of the node this QP is associated with */ 143 struct ietf_mpa_frame *ietf_frame; 144 dma_addr_t ietf_frame_pbase; 145 wait_queue_head_t state_waitq; 146 struct ib_mr *lsmm_mr; 147 unsigned long socket; 148 struct nes_hw_qp hwqp; 149 struct work_struct work; 150 struct work_struct ae_work; 151 enum ib_qp_state ibqp_state; 152 u32 iwarp_state; 153 u32 hte_index; 154 u32 last_aeq; 155 u32 qp_mem_size; 156 atomic_t refcount; 157 atomic_t close_timer_started; 158 u32 mmap_sq_db_index; 159 u32 mmap_rq_db_index; 160 spinlock_t lock; 161 struct nes_qp_context *nesqp_context; 162 dma_addr_t nesqp_context_pbase; 163 void *pbl_vbase; 164 dma_addr_t pbl_pbase; 165 struct page *page; 166 struct timer_list terminate_timer; 167 enum ib_event_type terminate_eventtype; 168 wait_queue_head_t kick_waitq; 169 u16 in_disconnect; 170 u16 private_data_len; 171 u16 term_sq_flush_code; 172 u16 term_rq_flush_code; 173 u8 active_conn; 174 u8 skip_lsmm; 175 u8 user_mode; 176 u8 hte_added; 177 u8 hw_iwarp_state; 178 u8 flush_issued; 179 u8 hw_tcp_state; 180 u8 term_flags; 181 u8 destroyed; 182}; 183#endif /* NES_VERBS_H */ 184