1 /* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ 2 /* Copyright (c) 2015 - 2021 Intel Corporation */ 3 #ifndef IRDMA_VERBS_H 4 #define IRDMA_VERBS_H 5 6 #define IRDMA_MAX_SAVED_PHY_PGADDR 4 7 #define IRDMA_FLUSH_DELAY_MS 20 8 9 #define IRDMA_PKEY_TBL_SZ 1 10 #define IRDMA_DEFAULT_PKEY 0xFFFF 11 12 struct irdma_ucontext { 13 struct ib_ucontext ibucontext; 14 struct irdma_device *iwdev; 15 struct rdma_user_mmap_entry *db_mmap_entry; 16 struct list_head cq_reg_mem_list; 17 spinlock_t cq_reg_mem_list_lock; /* protect CQ memory list */ 18 struct list_head qp_reg_mem_list; 19 spinlock_t qp_reg_mem_list_lock; /* protect QP memory list */ 20 int abi_ver; 21 u8 legacy_mode : 1; 22 u8 use_raw_attrs : 1; 23 }; 24 25 struct irdma_pd { 26 struct ib_pd ibpd; 27 struct irdma_sc_pd sc_pd; 28 }; 29 30 union irdma_sockaddr { 31 struct sockaddr_in saddr_in; 32 struct sockaddr_in6 saddr_in6; 33 }; 34 35 struct irdma_av { 36 u8 macaddr[16]; 37 struct rdma_ah_attr attrs; 38 union irdma_sockaddr sgid_addr; 39 union irdma_sockaddr dgid_addr; 40 u8 net_type; 41 }; 42 43 struct irdma_ah { 44 struct ib_ah ibah; 45 struct irdma_sc_ah sc_ah; 46 struct irdma_pd *pd; 47 struct irdma_av av; 48 u8 sgid_index; 49 union ib_gid dgid; 50 struct hlist_node list; 51 refcount_t refcnt; 52 struct irdma_ah *parent_ah; /* AH from cached list */ 53 }; 54 55 struct irdma_hmc_pble { 56 union { 57 u32 idx; 58 dma_addr_t addr; 59 }; 60 }; 61 62 struct irdma_cq_mr { 63 struct irdma_hmc_pble cq_pbl; 64 dma_addr_t shadow; 65 bool split; 66 }; 67 68 struct irdma_qp_mr { 69 struct irdma_hmc_pble sq_pbl; 70 struct irdma_hmc_pble rq_pbl; 71 dma_addr_t shadow; 72 struct page *sq_page; 73 }; 74 75 struct irdma_cq_buf { 76 struct irdma_dma_mem kmem_buf; 77 struct irdma_cq_uk cq_uk; 78 struct irdma_hw *hw; 79 struct list_head list; 80 struct work_struct work; 81 }; 82 83 struct irdma_pbl { 84 struct list_head list; 85 union { 86 struct irdma_qp_mr qp_mr; 87 struct irdma_cq_mr cq_mr; 88 }; 89 90 bool pbl_allocated:1; 91 bool on_list:1; 92 u64 user_base; 93 struct irdma_pble_alloc pble_alloc; 94 struct irdma_mr *iwmr; 95 }; 96 97 struct irdma_mr { 98 union { 99 struct ib_mr ibmr; 100 struct ib_mw ibmw; 101 }; 102 struct ib_umem *region; 103 u16 type; 104 u32 page_cnt; 105 u64 page_size; 106 u32 npages; 107 u32 stag; 108 u64 len; 109 u64 pgaddrmem[IRDMA_MAX_SAVED_PHY_PGADDR]; 110 struct irdma_pbl iwpbl; 111 }; 112 113 struct irdma_cq { 114 struct ib_cq ibcq; 115 struct irdma_sc_cq sc_cq; 116 u16 cq_head; 117 u16 cq_size; 118 u16 cq_num; 119 bool user_mode; 120 atomic_t armed; 121 enum irdma_cmpl_notify last_notify; 122 u32 polled_cmpls; 123 u32 cq_mem_size; 124 struct irdma_dma_mem kmem; 125 struct irdma_dma_mem kmem_shadow; 126 struct completion free_cq; 127 refcount_t refcnt; 128 spinlock_t lock; /* for poll cq */ 129 struct irdma_pbl *iwpbl; 130 struct irdma_pbl *iwpbl_shadow; 131 struct list_head resize_list; 132 struct irdma_cq_poll_info cur_cqe; 133 struct list_head cmpl_generated; 134 }; 135 136 struct irdma_cmpl_gen { 137 struct list_head list; 138 struct irdma_cq_poll_info cpi; 139 }; 140 141 struct disconn_work { 142 struct work_struct work; 143 struct irdma_qp *iwqp; 144 }; 145 146 struct iw_cm_id; 147 148 struct irdma_qp_kmode { 149 struct irdma_dma_mem dma_mem; 150 struct irdma_sq_uk_wr_trk_info *sq_wrid_mem; 151 u64 *rq_wrid_mem; 152 }; 153 154 struct irdma_qp { 155 struct ib_qp ibqp; 156 struct irdma_sc_qp sc_qp; 157 struct irdma_device *iwdev; 158 struct irdma_cq *iwscq; 159 struct irdma_cq *iwrcq; 160 struct irdma_pd *iwpd; 161 struct rdma_user_mmap_entry *push_wqe_mmap_entry; 162 struct rdma_user_mmap_entry *push_db_mmap_entry; 163 struct irdma_qp_host_ctx_info ctx_info; 164 union { 165 struct irdma_iwarp_offload_info iwarp_info; 166 struct irdma_roce_offload_info roce_info; 167 }; 168 169 union { 170 struct irdma_tcp_offload_info tcp_info; 171 struct irdma_udp_offload_info udp_info; 172 }; 173 174 struct irdma_ah roce_ah; 175 struct list_head teardown_entry; 176 refcount_t refcnt; 177 struct iw_cm_id *cm_id; 178 struct irdma_cm_node *cm_node; 179 struct delayed_work dwork_flush; 180 struct ib_mr *lsmm_mr; 181 atomic_t hw_mod_qp_pend; 182 enum ib_qp_state ibqp_state; 183 u32 qp_mem_size; 184 u32 last_aeq; 185 int max_send_wr; 186 int max_recv_wr; 187 atomic_t close_timer_started; 188 spinlock_t lock; /* serialize posting WRs to SQ/RQ */ 189 struct irdma_qp_context *iwqp_context; 190 void *pbl_vbase; 191 dma_addr_t pbl_pbase; 192 struct page *page; 193 u8 active_conn : 1; 194 u8 user_mode : 1; 195 u8 hte_added : 1; 196 u8 flush_issued : 1; 197 u8 sig_all : 1; 198 u8 pau_mode : 1; 199 u8 suspend_pending : 1; 200 u8 rsvd : 1; 201 u8 iwarp_state; 202 u16 term_sq_flush_code; 203 u16 term_rq_flush_code; 204 u8 hw_iwarp_state; 205 u8 hw_tcp_state; 206 struct irdma_qp_kmode kqp; 207 struct irdma_dma_mem host_ctx; 208 struct timer_list terminate_timer; 209 struct irdma_pbl *iwpbl; 210 struct irdma_dma_mem q2_ctx_mem; 211 struct irdma_dma_mem ietf_mem; 212 struct completion free_qp; 213 wait_queue_head_t waitq; 214 wait_queue_head_t mod_qp_waitq; 215 u8 rts_ae_rcvd; 216 }; 217 218 enum irdma_mmap_flag { 219 IRDMA_MMAP_IO_NC, 220 IRDMA_MMAP_IO_WC, 221 }; 222 223 struct irdma_user_mmap_entry { 224 struct rdma_user_mmap_entry rdma_entry; 225 u64 bar_offset; 226 u8 mmap_flag; 227 }; 228 irdma_fw_major_ver(struct irdma_sc_dev * dev)229 static inline u16 irdma_fw_major_ver(struct irdma_sc_dev *dev) 230 { 231 return (u16)FIELD_GET(IRDMA_FW_VER_MAJOR, dev->feature_info[IRDMA_FEATURE_FW_INFO]); 232 } 233 irdma_fw_minor_ver(struct irdma_sc_dev * dev)234 static inline u16 irdma_fw_minor_ver(struct irdma_sc_dev *dev) 235 { 236 return (u16)FIELD_GET(IRDMA_FW_VER_MINOR, dev->feature_info[IRDMA_FEATURE_FW_INFO]); 237 } 238 set_ib_wc_op_sq(struct irdma_cq_poll_info * cq_poll_info,struct ib_wc * entry)239 static inline void set_ib_wc_op_sq(struct irdma_cq_poll_info *cq_poll_info, 240 struct ib_wc *entry) 241 { 242 switch (cq_poll_info->op_type) { 243 case IRDMA_OP_TYPE_RDMA_WRITE: 244 case IRDMA_OP_TYPE_RDMA_WRITE_SOL: 245 entry->opcode = IB_WC_RDMA_WRITE; 246 break; 247 case IRDMA_OP_TYPE_RDMA_READ_INV_STAG: 248 case IRDMA_OP_TYPE_RDMA_READ: 249 entry->opcode = IB_WC_RDMA_READ; 250 break; 251 case IRDMA_OP_TYPE_SEND_SOL: 252 case IRDMA_OP_TYPE_SEND_SOL_INV: 253 case IRDMA_OP_TYPE_SEND_INV: 254 case IRDMA_OP_TYPE_SEND: 255 entry->opcode = IB_WC_SEND; 256 break; 257 case IRDMA_OP_TYPE_FAST_REG_NSMR: 258 entry->opcode = IB_WC_REG_MR; 259 break; 260 case IRDMA_OP_TYPE_INV_STAG: 261 entry->opcode = IB_WC_LOCAL_INV; 262 break; 263 default: 264 entry->status = IB_WC_GENERAL_ERR; 265 } 266 } 267 set_ib_wc_op_rq(struct irdma_cq_poll_info * cq_poll_info,struct ib_wc * entry,bool send_imm_support)268 static inline void set_ib_wc_op_rq(struct irdma_cq_poll_info *cq_poll_info, 269 struct ib_wc *entry, bool send_imm_support) 270 { 271 /** 272 * iWARP does not support sendImm, so the presence of Imm data 273 * must be WriteImm. 274 */ 275 if (!send_imm_support) { 276 entry->opcode = cq_poll_info->imm_valid ? 277 IB_WC_RECV_RDMA_WITH_IMM : 278 IB_WC_RECV; 279 return; 280 } 281 282 switch (cq_poll_info->op_type) { 283 case IB_OPCODE_RDMA_WRITE_ONLY_WITH_IMMEDIATE: 284 case IB_OPCODE_RDMA_WRITE_LAST_WITH_IMMEDIATE: 285 entry->opcode = IB_WC_RECV_RDMA_WITH_IMM; 286 break; 287 default: 288 entry->opcode = IB_WC_RECV; 289 } 290 } 291 292 void irdma_mcast_mac(u32 *ip_addr, u8 *mac, bool ipv4); 293 int irdma_ib_register_device(struct irdma_device *iwdev); 294 void irdma_ib_unregister_device(struct irdma_device *iwdev); 295 void irdma_ib_dealloc_device(struct ib_device *ibdev); 296 void irdma_ib_qp_event(struct irdma_qp *iwqp, enum irdma_qp_event_type event); 297 void irdma_generate_flush_completions(struct irdma_qp *iwqp); 298 void irdma_remove_cmpls_list(struct irdma_cq *iwcq); 299 int irdma_generated_cmpls(struct irdma_cq *iwcq, struct irdma_cq_poll_info *cq_poll_info); 300 #endif /* IRDMA_VERBS_H */ 301