1 /* 2 * Copyright (c) 2006 - 2011 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 __le64 *pages; 83 dma_addr_t paddr; 84 u32 max_pages; 85 u32 npages; 86 }; 87 88 struct nes_hw_pb { 89 __le32 pa_low; 90 __le32 pa_high; 91 }; 92 93 struct nes_vpbl { 94 dma_addr_t pbl_pbase; 95 struct nes_hw_pb *pbl_vbase; 96 }; 97 98 struct nes_root_vpbl { 99 dma_addr_t pbl_pbase; 100 struct nes_hw_pb *pbl_vbase; 101 struct nes_vpbl *leaf_vpbl; 102 }; 103 104 struct nes_fmr { 105 struct nes_mr nesmr; 106 u32 leaf_pbl_cnt; 107 struct nes_root_vpbl root_vpbl; 108 struct ib_qp *ib_qp; 109 int access_rights; 110 struct ib_fmr_attr attr; 111 }; 112 113 struct nes_av; 114 115 struct nes_cq { 116 struct ib_cq ibcq; 117 struct nes_hw_cq hw_cq; 118 u32 polled_completions; 119 u32 cq_mem_size; 120 spinlock_t lock; 121 u8 virtual_cq; 122 u8 pad[3]; 123 u32 mcrqf; 124 }; 125 126 struct nes_wq { 127 spinlock_t lock; 128 }; 129 130 struct disconn_work { 131 struct work_struct work; 132 struct nes_qp *nesqp; 133 }; 134 135 struct iw_cm_id; 136 struct ietf_mpa_frame; 137 138 struct nes_qp { 139 struct ib_qp ibqp; 140 void *allocated_buffer; 141 struct iw_cm_id *cm_id; 142 struct nes_cq *nesscq; 143 struct nes_cq *nesrcq; 144 struct nes_pd *nespd; 145 void *cm_node; /* handle of the node this QP is associated with */ 146 void *ietf_frame; 147 u8 ietf_frame_size; 148 dma_addr_t ietf_frame_pbase; 149 struct ib_mr *lsmm_mr; 150 struct nes_hw_qp hwqp; 151 struct work_struct work; 152 enum ib_qp_state ibqp_state; 153 u32 iwarp_state; 154 u32 hte_index; 155 u32 last_aeq; 156 u32 qp_mem_size; 157 atomic_t refcount; 158 atomic_t close_timer_started; 159 u32 mmap_sq_db_index; 160 u32 mmap_rq_db_index; 161 spinlock_t lock; 162 spinlock_t pau_lock; 163 struct nes_qp_context *nesqp_context; 164 dma_addr_t nesqp_context_pbase; 165 void *pbl_vbase; 166 dma_addr_t pbl_pbase; 167 struct page *page; 168 struct timer_list terminate_timer; 169 enum ib_event_type terminate_eventtype; 170 struct sk_buff_head pau_list; 171 u32 pau_rcv_nxt; 172 u16 active_conn:1; 173 u16 skip_lsmm:1; 174 u16 user_mode:1; 175 u16 hte_added:1; 176 u16 flush_issued:1; 177 u16 destroyed:1; 178 u16 sig_all:1; 179 u16 pau_mode:1; 180 u16 rsvd:8; 181 u16 private_data_len; 182 u16 term_sq_flush_code; 183 u16 term_rq_flush_code; 184 u8 hw_iwarp_state; 185 u8 hw_tcp_state; 186 u8 term_flags; 187 u8 sq_kmapped; 188 u8 pau_busy; 189 u8 pau_pending; 190 u8 pau_state; 191 __u64 nesuqp_addr; 192 }; 193 #endif /* NES_VERBS_H */ 194