1/* 2 * Copyright (c) 2012-2016 VMware, Inc. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of EITHER the GNU General Public License 6 * version 2 as published by the Free Software Foundation or the BSD 7 * 2-Clause License. This program is distributed in the hope that it 8 * will be useful, but WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED 9 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. 10 * See the GNU General Public License version 2 for more details at 11 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program available in the file COPYING in the main 15 * directory of this source tree. 16 * 17 * The BSD 2-Clause License 18 * 19 * Redistribution and use in source and binary forms, with or 20 * without modification, are permitted provided that the following 21 * conditions are met: 22 * 23 * - Redistributions of source code must retain the above 24 * copyright notice, this list of conditions and the following 25 * disclaimer. 26 * 27 * - Redistributions in binary form must reproduce the above 28 * copyright notice, this list of conditions and the following 29 * disclaimer in the documentation and/or other materials 30 * provided with the distribution. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 35 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 36 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 37 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 38 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 39 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 40 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 41 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 42 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 43 * OF THE POSSIBILITY OF SUCH DAMAGE. 44 */ 45 46#ifndef __PVRDMA_VERBS_H__ 47#define __PVRDMA_VERBS_H__ 48 49#include <linux/types.h> 50 51union pvrdma_gid { 52 u8 raw[16]; 53 struct { 54 __be64 subnet_prefix; 55 __be64 interface_id; 56 } global; 57}; 58 59enum pvrdma_link_layer { 60 PVRDMA_LINK_LAYER_UNSPECIFIED, 61 PVRDMA_LINK_LAYER_INFINIBAND, 62 PVRDMA_LINK_LAYER_ETHERNET, 63}; 64 65enum pvrdma_mtu { 66 PVRDMA_MTU_256 = 1, 67 PVRDMA_MTU_512 = 2, 68 PVRDMA_MTU_1024 = 3, 69 PVRDMA_MTU_2048 = 4, 70 PVRDMA_MTU_4096 = 5, 71}; 72 73enum pvrdma_port_state { 74 PVRDMA_PORT_NOP = 0, 75 PVRDMA_PORT_DOWN = 1, 76 PVRDMA_PORT_INIT = 2, 77 PVRDMA_PORT_ARMED = 3, 78 PVRDMA_PORT_ACTIVE = 4, 79 PVRDMA_PORT_ACTIVE_DEFER = 5, 80}; 81 82enum pvrdma_port_cap_flags { 83 PVRDMA_PORT_SM = 1 << 1, 84 PVRDMA_PORT_NOTICE_SUP = 1 << 2, 85 PVRDMA_PORT_TRAP_SUP = 1 << 3, 86 PVRDMA_PORT_OPT_IPD_SUP = 1 << 4, 87 PVRDMA_PORT_AUTO_MIGR_SUP = 1 << 5, 88 PVRDMA_PORT_SL_MAP_SUP = 1 << 6, 89 PVRDMA_PORT_MKEY_NVRAM = 1 << 7, 90 PVRDMA_PORT_PKEY_NVRAM = 1 << 8, 91 PVRDMA_PORT_LED_INFO_SUP = 1 << 9, 92 PVRDMA_PORT_SM_DISABLED = 1 << 10, 93 PVRDMA_PORT_SYS_IMAGE_GUID_SUP = 1 << 11, 94 PVRDMA_PORT_PKEY_SW_EXT_PORT_TRAP_SUP = 1 << 12, 95 PVRDMA_PORT_EXTENDED_SPEEDS_SUP = 1 << 14, 96 PVRDMA_PORT_CM_SUP = 1 << 16, 97 PVRDMA_PORT_SNMP_TUNNEL_SUP = 1 << 17, 98 PVRDMA_PORT_REINIT_SUP = 1 << 18, 99 PVRDMA_PORT_DEVICE_MGMT_SUP = 1 << 19, 100 PVRDMA_PORT_VENDOR_CLASS_SUP = 1 << 20, 101 PVRDMA_PORT_DR_NOTICE_SUP = 1 << 21, 102 PVRDMA_PORT_CAP_MASK_NOTICE_SUP = 1 << 22, 103 PVRDMA_PORT_BOOT_MGMT_SUP = 1 << 23, 104 PVRDMA_PORT_LINK_LATENCY_SUP = 1 << 24, 105 PVRDMA_PORT_CLIENT_REG_SUP = 1 << 25, 106 PVRDMA_PORT_IP_BASED_GIDS = 1 << 26, 107 PVRDMA_PORT_CAP_FLAGS_MAX = PVRDMA_PORT_IP_BASED_GIDS, 108}; 109 110enum pvrdma_port_width { 111 PVRDMA_WIDTH_1X = 1, 112 PVRDMA_WIDTH_4X = 2, 113 PVRDMA_WIDTH_8X = 4, 114 PVRDMA_WIDTH_12X = 8, 115}; 116 117enum pvrdma_port_speed { 118 PVRDMA_SPEED_SDR = 1, 119 PVRDMA_SPEED_DDR = 2, 120 PVRDMA_SPEED_QDR = 4, 121 PVRDMA_SPEED_FDR10 = 8, 122 PVRDMA_SPEED_FDR = 16, 123 PVRDMA_SPEED_EDR = 32, 124}; 125 126struct pvrdma_port_attr { 127 enum pvrdma_port_state state; 128 enum pvrdma_mtu max_mtu; 129 enum pvrdma_mtu active_mtu; 130 u32 gid_tbl_len; 131 u32 port_cap_flags; 132 u32 max_msg_sz; 133 u32 bad_pkey_cntr; 134 u32 qkey_viol_cntr; 135 u16 pkey_tbl_len; 136 u16 lid; 137 u16 sm_lid; 138 u8 lmc; 139 u8 max_vl_num; 140 u8 sm_sl; 141 u8 subnet_timeout; 142 u8 init_type_reply; 143 u8 active_width; 144 u8 active_speed; 145 u8 phys_state; 146 u8 reserved[2]; 147}; 148 149struct pvrdma_global_route { 150 union pvrdma_gid dgid; 151 u32 flow_label; 152 u8 sgid_index; 153 u8 hop_limit; 154 u8 traffic_class; 155 u8 reserved; 156}; 157 158struct pvrdma_grh { 159 __be32 version_tclass_flow; 160 __be16 paylen; 161 u8 next_hdr; 162 u8 hop_limit; 163 union pvrdma_gid sgid; 164 union pvrdma_gid dgid; 165}; 166 167enum pvrdma_ah_flags { 168 PVRDMA_AH_GRH = 1, 169}; 170 171enum pvrdma_rate { 172 PVRDMA_RATE_PORT_CURRENT = 0, 173 PVRDMA_RATE_2_5_GBPS = 2, 174 PVRDMA_RATE_5_GBPS = 5, 175 PVRDMA_RATE_10_GBPS = 3, 176 PVRDMA_RATE_20_GBPS = 6, 177 PVRDMA_RATE_30_GBPS = 4, 178 PVRDMA_RATE_40_GBPS = 7, 179 PVRDMA_RATE_60_GBPS = 8, 180 PVRDMA_RATE_80_GBPS = 9, 181 PVRDMA_RATE_120_GBPS = 10, 182 PVRDMA_RATE_14_GBPS = 11, 183 PVRDMA_RATE_56_GBPS = 12, 184 PVRDMA_RATE_112_GBPS = 13, 185 PVRDMA_RATE_168_GBPS = 14, 186 PVRDMA_RATE_25_GBPS = 15, 187 PVRDMA_RATE_100_GBPS = 16, 188 PVRDMA_RATE_200_GBPS = 17, 189 PVRDMA_RATE_300_GBPS = 18, 190}; 191 192struct pvrdma_ah_attr { 193 struct pvrdma_global_route grh; 194 u16 dlid; 195 u16 vlan_id; 196 u8 sl; 197 u8 src_path_bits; 198 u8 static_rate; 199 u8 ah_flags; 200 u8 port_num; 201 u8 dmac[6]; 202 u8 reserved; 203}; 204 205enum pvrdma_cq_notify_flags { 206 PVRDMA_CQ_SOLICITED = 1 << 0, 207 PVRDMA_CQ_NEXT_COMP = 1 << 1, 208 PVRDMA_CQ_SOLICITED_MASK = PVRDMA_CQ_SOLICITED | 209 PVRDMA_CQ_NEXT_COMP, 210 PVRDMA_CQ_REPORT_MISSED_EVENTS = 1 << 2, 211}; 212 213struct pvrdma_qp_cap { 214 u32 max_send_wr; 215 u32 max_recv_wr; 216 u32 max_send_sge; 217 u32 max_recv_sge; 218 u32 max_inline_data; 219 u32 reserved; 220}; 221 222enum pvrdma_sig_type { 223 PVRDMA_SIGNAL_ALL_WR, 224 PVRDMA_SIGNAL_REQ_WR, 225}; 226 227enum pvrdma_qp_type { 228 PVRDMA_QPT_SMI, 229 PVRDMA_QPT_GSI, 230 PVRDMA_QPT_RC, 231 PVRDMA_QPT_UC, 232 PVRDMA_QPT_UD, 233 PVRDMA_QPT_RAW_IPV6, 234 PVRDMA_QPT_RAW_ETHERTYPE, 235 PVRDMA_QPT_RAW_PACKET = 8, 236 PVRDMA_QPT_XRC_INI = 9, 237 PVRDMA_QPT_XRC_TGT, 238 PVRDMA_QPT_MAX, 239}; 240 241enum pvrdma_qp_create_flags { 242 PVRDMA_QP_CREATE_IPOPVRDMA_UD_LSO = 1 << 0, 243 PVRDMA_QP_CREATE_BLOCK_MULTICAST_LOOPBACK = 1 << 1, 244}; 245 246enum pvrdma_qp_attr_mask { 247 PVRDMA_QP_STATE = 1 << 0, 248 PVRDMA_QP_CUR_STATE = 1 << 1, 249 PVRDMA_QP_EN_SQD_ASYNC_NOTIFY = 1 << 2, 250 PVRDMA_QP_ACCESS_FLAGS = 1 << 3, 251 PVRDMA_QP_PKEY_INDEX = 1 << 4, 252 PVRDMA_QP_PORT = 1 << 5, 253 PVRDMA_QP_QKEY = 1 << 6, 254 PVRDMA_QP_AV = 1 << 7, 255 PVRDMA_QP_PATH_MTU = 1 << 8, 256 PVRDMA_QP_TIMEOUT = 1 << 9, 257 PVRDMA_QP_RETRY_CNT = 1 << 10, 258 PVRDMA_QP_RNR_RETRY = 1 << 11, 259 PVRDMA_QP_RQ_PSN = 1 << 12, 260 PVRDMA_QP_MAX_QP_RD_ATOMIC = 1 << 13, 261 PVRDMA_QP_ALT_PATH = 1 << 14, 262 PVRDMA_QP_MIN_RNR_TIMER = 1 << 15, 263 PVRDMA_QP_SQ_PSN = 1 << 16, 264 PVRDMA_QP_MAX_DEST_RD_ATOMIC = 1 << 17, 265 PVRDMA_QP_PATH_MIG_STATE = 1 << 18, 266 PVRDMA_QP_CAP = 1 << 19, 267 PVRDMA_QP_DEST_QPN = 1 << 20, 268 PVRDMA_QP_ATTR_MASK_MAX = PVRDMA_QP_DEST_QPN, 269}; 270 271enum pvrdma_qp_state { 272 PVRDMA_QPS_RESET, 273 PVRDMA_QPS_INIT, 274 PVRDMA_QPS_RTR, 275 PVRDMA_QPS_RTS, 276 PVRDMA_QPS_SQD, 277 PVRDMA_QPS_SQE, 278 PVRDMA_QPS_ERR, 279}; 280 281enum pvrdma_mig_state { 282 PVRDMA_MIG_MIGRATED, 283 PVRDMA_MIG_REARM, 284 PVRDMA_MIG_ARMED, 285}; 286 287enum pvrdma_mw_type { 288 PVRDMA_MW_TYPE_1 = 1, 289 PVRDMA_MW_TYPE_2 = 2, 290}; 291 292struct pvrdma_srq_attr { 293 u32 max_wr; 294 u32 max_sge; 295 u32 srq_limit; 296 u32 reserved; 297}; 298 299struct pvrdma_qp_attr { 300 enum pvrdma_qp_state qp_state; 301 enum pvrdma_qp_state cur_qp_state; 302 enum pvrdma_mtu path_mtu; 303 enum pvrdma_mig_state path_mig_state; 304 u32 qkey; 305 u32 rq_psn; 306 u32 sq_psn; 307 u32 dest_qp_num; 308 u32 qp_access_flags; 309 u16 pkey_index; 310 u16 alt_pkey_index; 311 u8 en_sqd_async_notify; 312 u8 sq_draining; 313 u8 max_rd_atomic; 314 u8 max_dest_rd_atomic; 315 u8 min_rnr_timer; 316 u8 port_num; 317 u8 timeout; 318 u8 retry_cnt; 319 u8 rnr_retry; 320 u8 alt_port_num; 321 u8 alt_timeout; 322 u8 reserved[5]; 323 struct pvrdma_qp_cap cap; 324 struct pvrdma_ah_attr ah_attr; 325 struct pvrdma_ah_attr alt_ah_attr; 326}; 327 328enum pvrdma_send_flags { 329 PVRDMA_SEND_FENCE = 1 << 0, 330 PVRDMA_SEND_SIGNALED = 1 << 1, 331 PVRDMA_SEND_SOLICITED = 1 << 2, 332 PVRDMA_SEND_INLINE = 1 << 3, 333 PVRDMA_SEND_IP_CSUM = 1 << 4, 334 PVRDMA_SEND_FLAGS_MAX = PVRDMA_SEND_IP_CSUM, 335}; 336 337enum pvrdma_access_flags { 338 PVRDMA_ACCESS_LOCAL_WRITE = 1 << 0, 339 PVRDMA_ACCESS_REMOTE_WRITE = 1 << 1, 340 PVRDMA_ACCESS_REMOTE_READ = 1 << 2, 341 PVRDMA_ACCESS_REMOTE_ATOMIC = 1 << 3, 342 PVRDMA_ACCESS_MW_BIND = 1 << 4, 343 PVRDMA_ZERO_BASED = 1 << 5, 344 PVRDMA_ACCESS_ON_DEMAND = 1 << 6, 345 PVRDMA_ACCESS_FLAGS_MAX = PVRDMA_ACCESS_ON_DEMAND, 346}; 347 348int pvrdma_query_device(struct ib_device *ibdev, 349 struct ib_device_attr *props, 350 struct ib_udata *udata); 351int pvrdma_query_port(struct ib_device *ibdev, u32 port, 352 struct ib_port_attr *props); 353int pvrdma_query_gid(struct ib_device *ibdev, u32 port, 354 int index, union ib_gid *gid); 355int pvrdma_query_pkey(struct ib_device *ibdev, u32 port, 356 u16 index, u16 *pkey); 357enum rdma_link_layer pvrdma_port_link_layer(struct ib_device *ibdev, 358 u32 port); 359int pvrdma_modify_device(struct ib_device *ibdev, int mask, 360 struct ib_device_modify *props); 361int pvrdma_modify_port(struct ib_device *ibdev, u32 port, 362 int mask, struct ib_port_modify *props); 363int pvrdma_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); 364int pvrdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata); 365void pvrdma_dealloc_ucontext(struct ib_ucontext *context); 366int pvrdma_alloc_pd(struct ib_pd *pd, struct ib_udata *udata); 367int pvrdma_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata); 368struct ib_mr *pvrdma_get_dma_mr(struct ib_pd *pd, int acc); 369struct ib_mr *pvrdma_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 370 u64 virt_addr, int access_flags, 371 struct ib_udata *udata); 372int pvrdma_dereg_mr(struct ib_mr *mr, struct ib_udata *udata); 373struct ib_mr *pvrdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, 374 u32 max_num_sg); 375int pvrdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, 376 int sg_nents, unsigned int *sg_offset); 377int pvrdma_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, 378 struct ib_udata *udata); 379int pvrdma_destroy_cq(struct ib_cq *cq, struct ib_udata *udata); 380int pvrdma_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 381int pvrdma_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 382int pvrdma_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr, 383 struct ib_udata *udata); 384int pvrdma_destroy_ah(struct ib_ah *ah, u32 flags); 385 386int pvrdma_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr, 387 struct ib_udata *udata); 388int pvrdma_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 389 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 390int pvrdma_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 391int pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); 392 393int pvrdma_create_qp(struct ib_qp *qp, struct ib_qp_init_attr *init_attr, 394 struct ib_udata *udata); 395int pvrdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 396 int attr_mask, struct ib_udata *udata); 397int pvrdma_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 398 int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr); 399int pvrdma_destroy_qp(struct ib_qp *qp, struct ib_udata *udata); 400int pvrdma_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 401 const struct ib_send_wr **bad_wr); 402int pvrdma_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 403 const struct ib_recv_wr **bad_wr); 404 405#endif /* __PVRDMA_VERBS_H__ */ 406