1 /* 2 * Copyright (c) 2006 - 2009 Intel Corporation. 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 38 struct 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 47 struct 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 65 struct nes_pd { 66 struct ib_pd ibpd; 67 u16 pd_id; 68 atomic_t sqp_count; 69 u16 mmap_db_index; 70 }; 71 72 struct 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 84 struct nes_hw_pb { 85 __le32 pa_low; 86 __le32 pa_high; 87 }; 88 89 struct nes_vpbl { 90 dma_addr_t pbl_pbase; 91 struct nes_hw_pb *pbl_vbase; 92 }; 93 94 struct nes_root_vpbl { 95 dma_addr_t pbl_pbase; 96 struct nes_hw_pb *pbl_vbase; 97 struct nes_vpbl *leaf_vpbl; 98 }; 99 100 struct 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 }; 108 109 struct nes_av; 110 111 struct 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 }; 121 122 struct nes_wq { 123 spinlock_t lock; 124 }; 125 126 struct disconn_work { 127 struct work_struct work; 128 struct nes_qp *nesqp; 129 }; 130 131 struct iw_cm_id; 132 struct ietf_mpa_frame; 133 134 struct nes_qp { 135 struct ib_qp ibqp; 136 void *allocated_buffer; 137 struct iw_cm_id *cm_id; 138 struct nes_cq *nesscq; 139 struct nes_cq *nesrcq; 140 struct nes_pd *nespd; 141 void *cm_node; /* handle of the node this QP is associated with */ 142 struct ietf_mpa_frame *ietf_frame; 143 dma_addr_t ietf_frame_pbase; 144 struct ib_mr *lsmm_mr; 145 struct nes_hw_qp hwqp; 146 struct work_struct work; 147 enum ib_qp_state ibqp_state; 148 u32 iwarp_state; 149 u32 hte_index; 150 u32 last_aeq; 151 u32 qp_mem_size; 152 atomic_t refcount; 153 atomic_t close_timer_started; 154 u32 mmap_sq_db_index; 155 u32 mmap_rq_db_index; 156 spinlock_t lock; 157 struct nes_qp_context *nesqp_context; 158 dma_addr_t nesqp_context_pbase; 159 void *pbl_vbase; 160 dma_addr_t pbl_pbase; 161 struct page *page; 162 struct timer_list terminate_timer; 163 enum ib_event_type terminate_eventtype; 164 u16 active_conn:1; 165 u16 skip_lsmm:1; 166 u16 user_mode:1; 167 u16 hte_added:1; 168 u16 flush_issued:1; 169 u16 destroyed:1; 170 u16 sig_all:1; 171 u16 rsvd:9; 172 u16 private_data_len; 173 u16 term_sq_flush_code; 174 u16 term_rq_flush_code; 175 u8 hw_iwarp_state; 176 u8 hw_tcp_state; 177 u8 term_flags; 178 u8 sq_kmapped; 179 }; 180 #endif /* NES_VERBS_H */ 181