Dennis Dalessandro | 0194621 | 2016-01-06 09:50:24 -0800 | [diff] [blame] | 1 | #ifndef DEF_RDMA_VT_H |
| 2 | #define DEF_RDMA_VT_H |
| 3 | |
| 4 | /* |
| 5 | * Copyright(c) 2015 Intel Corporation. |
| 6 | * |
| 7 | * This file is provided under a dual BSD/GPLv2 license. When using or |
| 8 | * redistributing this file, you may do so under either license. |
| 9 | * |
| 10 | * GPL LICENSE SUMMARY |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of version 2 of the GNU General Public License as |
| 14 | * published by the Free Software Foundation. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, but |
| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 19 | * General Public License for more details. |
| 20 | * |
| 21 | * BSD LICENSE |
| 22 | * |
| 23 | * Redistribution and use in source and binary forms, with or without |
| 24 | * modification, are permitted provided that the following conditions |
| 25 | * are met: |
| 26 | * |
| 27 | * - Redistributions of source code must retain the above copyright |
| 28 | * notice, this list of conditions and the following disclaimer. |
| 29 | * - Redistributions in binary form must reproduce the above copyright |
| 30 | * notice, this list of conditions and the following disclaimer in |
| 31 | * the documentation and/or other materials provided with the |
| 32 | * distribution. |
| 33 | * - Neither the name of Intel Corporation nor the names of its |
| 34 | * contributors may be used to endorse or promote products derived |
| 35 | * from this software without specific prior written permission. |
| 36 | * |
| 37 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 38 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 39 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 40 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 41 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 42 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 43 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 44 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 45 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 46 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 47 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 48 | * |
| 49 | */ |
| 50 | |
| 51 | /* |
| 52 | * Structure that low level drivers will populate in order to register with the |
| 53 | * rdmavt layer. |
| 54 | */ |
| 55 | |
| 56 | #include "ib_verbs.h" |
Dennis Dalessandro | 8afd32e | 2016-01-06 09:51:48 -0800 | [diff] [blame] | 57 | |
| 58 | /* |
Dennis Dalessandro | 0b8a8aa | 2016-01-06 10:03:07 -0800 | [diff] [blame^] | 59 | * For some of the IBTA objects there will likely be some |
| 60 | * initializations required. We need flags to determine whether it is OK |
| 61 | * for rdmavt to do this or not. This does not imply any functions of a |
| 62 | * partiuclar IBTA object are overridden. |
| 63 | */ |
| 64 | #define RVT_FLAG_MR_INIT_DRIVER BIT(1) |
| 65 | #define RVT_FLAG_QP_INIT_DRIVER BIT(2) |
| 66 | #define RVT_FLAG_CQ_INIT_DRIVER BIT(3) |
| 67 | |
| 68 | /* |
Dennis Dalessandro | b92a756 | 2016-01-06 10:01:42 -0800 | [diff] [blame] | 69 | * For Memory Regions. This stuff should probably be moved into rdmavt/mr.h once |
| 70 | * drivers no longer need access to the MR directly. |
| 71 | */ |
| 72 | |
| 73 | /* |
| 74 | * A segment is a linear region of low physical memory. |
| 75 | * Used by the verbs layer. |
| 76 | */ |
| 77 | struct rvt_seg { |
| 78 | void *vaddr; |
| 79 | size_t length; |
| 80 | }; |
| 81 | |
| 82 | /* The number of rvt_segs that fit in a page. */ |
| 83 | #define RVT_SEGSZ (PAGE_SIZE / sizeof(struct rvt_seg)) |
| 84 | |
| 85 | struct rvt_segarray { |
| 86 | struct rvt_seg segs[RVT_SEGSZ]; |
| 87 | }; |
| 88 | |
| 89 | struct rvt_mregion { |
| 90 | struct ib_pd *pd; /* shares refcnt of ibmr.pd */ |
| 91 | u64 user_base; /* User's address for this region */ |
| 92 | u64 iova; /* IB start address of this region */ |
| 93 | size_t length; |
| 94 | u32 lkey; |
| 95 | u32 offset; /* offset (bytes) to start of region */ |
| 96 | int access_flags; |
| 97 | u32 max_segs; /* number of rvt_segs in all the arrays */ |
| 98 | u32 mapsz; /* size of the map array */ |
| 99 | u8 page_shift; /* 0 - non unform/non powerof2 sizes */ |
| 100 | u8 lkey_published; /* in global table */ |
| 101 | struct completion comp; /* complete when refcount goes to zero */ |
| 102 | atomic_t refcount; |
| 103 | struct rvt_segarray *map[0]; /* the segments */ |
| 104 | }; |
| 105 | |
| 106 | #define RVT_MAX_LKEY_TABLE_BITS 23 |
| 107 | |
| 108 | struct rvt_lkey_table { |
| 109 | spinlock_t lock; /* protect changes in this struct */ |
| 110 | u32 next; /* next unused index (speeds search) */ |
| 111 | u32 gen; /* generation count */ |
| 112 | u32 max; /* size of the table */ |
| 113 | struct rvt_mregion __rcu **table; |
| 114 | }; |
| 115 | |
| 116 | /* End Memmory Region */ |
| 117 | |
| 118 | /* |
Dennis Dalessandro | ca889e8 | 2016-01-06 10:02:41 -0800 | [diff] [blame] | 119 | * Things needed for the Queue Pair definition. Like the MR stuff above the |
| 120 | * following should probably get moved to qp.h once drivers stop trying to make |
| 121 | * and manipulate thier own QPs. For the few instnaces where a driver may need |
| 122 | * to look into a queue pair there should be a pointer to a driver priavte data |
| 123 | * structure that they can look at. |
| 124 | */ |
| 125 | |
| 126 | /* |
| 127 | * These keep track of the copy progress within a memory region. |
| 128 | * Used by the verbs layer. |
| 129 | */ |
| 130 | struct rvt_sge { |
| 131 | struct rvt_mregion *mr; |
| 132 | void *vaddr; /* kernel virtual address of segment */ |
| 133 | u32 sge_length; /* length of the SGE */ |
| 134 | u32 length; /* remaining length of the segment */ |
| 135 | u16 m; /* current index: mr->map[m] */ |
| 136 | u16 n; /* current index: mr->map[m]->segs[n] */ |
| 137 | }; |
| 138 | |
| 139 | /* |
| 140 | * Send work request queue entry. |
| 141 | * The size of the sg_list is determined when the QP is created and stored |
| 142 | * in qp->s_max_sge. |
| 143 | */ |
| 144 | struct rvt_swqe { |
| 145 | union { |
| 146 | struct ib_send_wr wr; /* don't use wr.sg_list */ |
| 147 | struct ib_ud_wr ud_wr; |
| 148 | struct ib_reg_wr reg_wr; |
| 149 | struct ib_rdma_wr rdma_wr; |
| 150 | struct ib_atomic_wr atomic_wr; |
| 151 | }; |
| 152 | u32 psn; /* first packet sequence number */ |
| 153 | u32 lpsn; /* last packet sequence number */ |
| 154 | u32 ssn; /* send sequence number */ |
| 155 | u32 length; /* total length of data in sg_list */ |
| 156 | struct rvt_sge sg_list[0]; |
| 157 | }; |
| 158 | |
| 159 | /* |
| 160 | * Receive work request queue entry. |
| 161 | * The size of the sg_list is determined when the QP (or SRQ) is created |
| 162 | * and stored in qp->r_rq.max_sge (or srq->rq.max_sge). |
| 163 | */ |
| 164 | struct rvt_rwqe { |
| 165 | u64 wr_id; |
| 166 | u8 num_sge; |
| 167 | struct ib_sge sg_list[0]; |
| 168 | }; |
| 169 | |
| 170 | /* |
| 171 | * This structure is used to contain the head pointer, tail pointer, |
| 172 | * and receive work queue entries as a single memory allocation so |
| 173 | * it can be mmap'ed into user space. |
| 174 | * Note that the wq array elements are variable size so you can't |
| 175 | * just index into the array to get the N'th element; |
| 176 | * use get_rwqe_ptr() instead. |
| 177 | */ |
| 178 | struct rvt_rwq { |
| 179 | u32 head; /* new work requests posted to the head */ |
| 180 | u32 tail; /* receives pull requests from here. */ |
| 181 | struct rvt_rwqe wq[0]; |
| 182 | }; |
| 183 | |
| 184 | struct rvt_rq { |
| 185 | struct rvt_rwq *wq; |
| 186 | u32 size; /* size of RWQE array */ |
| 187 | u8 max_sge; |
| 188 | /* protect changes in this struct */ |
| 189 | spinlock_t lock ____cacheline_aligned_in_smp; |
| 190 | }; |
| 191 | |
| 192 | /* |
| 193 | * This structure is used by rvt_mmap() to validate an offset |
| 194 | * when an mmap() request is made. The vm_area_struct then uses |
| 195 | * this as its vm_private_data. |
| 196 | */ |
| 197 | struct rvt_mmap_info { |
| 198 | struct list_head pending_mmaps; |
| 199 | struct ib_ucontext *context; |
| 200 | void *obj; |
| 201 | __u64 offset; |
| 202 | struct kref ref; |
| 203 | unsigned size; |
| 204 | }; |
| 205 | |
| 206 | #define RVT_MAX_RDMA_ATOMIC 16 |
| 207 | |
| 208 | /* |
| 209 | * This structure holds the information that the send tasklet needs |
| 210 | * to send a RDMA read response or atomic operation. |
| 211 | */ |
| 212 | struct rvt_ack_entry { |
| 213 | u8 opcode; |
| 214 | u8 sent; |
| 215 | u32 psn; |
| 216 | u32 lpsn; |
| 217 | union { |
| 218 | struct rvt_sge rdma_sge; |
| 219 | u64 atomic_data; |
| 220 | }; |
| 221 | }; |
| 222 | |
| 223 | struct rvt_sge_state { |
| 224 | struct rvt_sge *sg_list; /* next SGE to be used if any */ |
| 225 | struct rvt_sge sge; /* progress state for the current SGE */ |
| 226 | u32 total_len; |
| 227 | u8 num_sge; |
| 228 | }; |
| 229 | |
| 230 | /* |
| 231 | * Variables prefixed with s_ are for the requester (sender). |
| 232 | * Variables prefixed with r_ are for the responder (receiver). |
| 233 | * Variables prefixed with ack_ are for responder replies. |
| 234 | * |
| 235 | * Common variables are protected by both r_rq.lock and s_lock in that order |
| 236 | * which only happens in modify_qp() or changing the QP 'state'. |
| 237 | */ |
| 238 | struct rvt_qp { |
| 239 | struct ib_qp ibqp; |
| 240 | void *priv; /* Driver private data */ |
| 241 | /* read mostly fields above and below */ |
| 242 | struct ib_ah_attr remote_ah_attr; |
| 243 | struct ib_ah_attr alt_ah_attr; |
| 244 | struct rvt_qp __rcu *next; /* link list for QPN hash table */ |
| 245 | struct rvt_swqe *s_wq; /* send work queue */ |
| 246 | struct rvt_mmap_info *ip; |
| 247 | |
| 248 | unsigned long timeout_jiffies; /* computed from timeout */ |
| 249 | |
| 250 | enum ib_mtu path_mtu; |
| 251 | int srate_mbps; /* s_srate (below) converted to Mbit/s */ |
| 252 | u32 remote_qpn; |
| 253 | u32 pmtu; /* decoded from path_mtu */ |
| 254 | u32 qkey; /* QKEY for this QP (for UD or RD) */ |
| 255 | u32 s_size; /* send work queue size */ |
| 256 | u32 s_rnr_timeout; /* number of milliseconds for RNR timeout */ |
| 257 | u32 s_ahgpsn; /* set to the psn in the copy of the header */ |
| 258 | |
| 259 | u8 state; /* QP state */ |
| 260 | u8 allowed_ops; /* high order bits of allowed opcodes */ |
| 261 | u8 qp_access_flags; |
| 262 | u8 alt_timeout; /* Alternate path timeout for this QP */ |
| 263 | u8 timeout; /* Timeout for this QP */ |
| 264 | u8 s_srate; |
| 265 | u8 s_mig_state; |
| 266 | u8 port_num; |
| 267 | u8 s_pkey_index; /* PKEY index to use */ |
| 268 | u8 s_alt_pkey_index; /* Alternate path PKEY index to use */ |
| 269 | u8 r_max_rd_atomic; /* max number of RDMA read/atomic to receive */ |
| 270 | u8 s_max_rd_atomic; /* max number of RDMA read/atomic to send */ |
| 271 | u8 s_retry_cnt; /* number of times to retry */ |
| 272 | u8 s_rnr_retry_cnt; |
| 273 | u8 r_min_rnr_timer; /* retry timeout value for RNR NAKs */ |
| 274 | u8 s_max_sge; /* size of s_wq->sg_list */ |
| 275 | u8 s_draining; |
| 276 | |
| 277 | /* start of read/write fields */ |
| 278 | atomic_t refcount ____cacheline_aligned_in_smp; |
| 279 | wait_queue_head_t wait; |
| 280 | |
| 281 | struct rvt_ack_entry s_ack_queue[RVT_MAX_RDMA_ATOMIC + 1] |
| 282 | ____cacheline_aligned_in_smp; |
| 283 | struct rvt_sge_state s_rdma_read_sge; |
| 284 | |
| 285 | spinlock_t r_lock ____cacheline_aligned_in_smp; /* used for APM */ |
| 286 | unsigned long r_aflags; |
| 287 | u64 r_wr_id; /* ID for current receive WQE */ |
| 288 | u32 r_ack_psn; /* PSN for next ACK or atomic ACK */ |
| 289 | u32 r_len; /* total length of r_sge */ |
| 290 | u32 r_rcv_len; /* receive data len processed */ |
| 291 | u32 r_psn; /* expected rcv packet sequence number */ |
| 292 | u32 r_msn; /* message sequence number */ |
| 293 | |
| 294 | u8 r_state; /* opcode of last packet received */ |
| 295 | u8 r_flags; |
| 296 | u8 r_head_ack_queue; /* index into s_ack_queue[] */ |
| 297 | |
| 298 | struct list_head rspwait; /* link for waiting to respond */ |
| 299 | |
| 300 | struct rvt_sge_state r_sge; /* current receive data */ |
| 301 | struct rvt_rq r_rq; /* receive work queue */ |
| 302 | |
| 303 | spinlock_t s_lock ____cacheline_aligned_in_smp; |
| 304 | struct rvt_sge_state *s_cur_sge; |
| 305 | u32 s_flags; |
| 306 | struct rvt_swqe *s_wqe; |
| 307 | struct rvt_sge_state s_sge; /* current send request data */ |
| 308 | struct rvt_mregion *s_rdma_mr; |
| 309 | struct sdma_engine *s_sde; /* current sde */ |
| 310 | u32 s_cur_size; /* size of send packet in bytes */ |
| 311 | u32 s_len; /* total length of s_sge */ |
| 312 | u32 s_rdma_read_len; /* total length of s_rdma_read_sge */ |
| 313 | u32 s_next_psn; /* PSN for next request */ |
| 314 | u32 s_last_psn; /* last response PSN processed */ |
| 315 | u32 s_sending_psn; /* lowest PSN that is being sent */ |
| 316 | u32 s_sending_hpsn; /* highest PSN that is being sent */ |
| 317 | u32 s_psn; /* current packet sequence number */ |
| 318 | u32 s_ack_rdma_psn; /* PSN for sending RDMA read responses */ |
| 319 | u32 s_ack_psn; /* PSN for acking sends and RDMA writes */ |
| 320 | u32 s_head; /* new entries added here */ |
| 321 | u32 s_tail; /* next entry to process */ |
| 322 | u32 s_cur; /* current work queue entry */ |
| 323 | u32 s_acked; /* last un-ACK'ed entry */ |
| 324 | u32 s_last; /* last completed entry */ |
| 325 | u32 s_ssn; /* SSN of tail entry */ |
| 326 | u32 s_lsn; /* limit sequence number (credit) */ |
| 327 | u16 s_hdrwords; /* size of s_hdr in 32 bit words */ |
| 328 | u16 s_rdma_ack_cnt; |
| 329 | s8 s_ahgidx; |
| 330 | u8 s_state; /* opcode of last packet sent */ |
| 331 | u8 s_ack_state; /* opcode of packet to ACK */ |
| 332 | u8 s_nak_state; /* non-zero if NAK is pending */ |
| 333 | u8 r_nak_state; /* non-zero if NAK is pending */ |
| 334 | u8 s_retry; /* requester retry counter */ |
| 335 | u8 s_rnr_retry; /* requester RNR retry counter */ |
| 336 | u8 s_num_rd_atomic; /* number of RDMA read/atomic pending */ |
| 337 | u8 s_tail_ack_queue; /* index into s_ack_queue[] */ |
| 338 | |
| 339 | struct rvt_sge_state s_ack_rdma_sge; |
| 340 | struct timer_list s_timer; |
| 341 | |
| 342 | /* |
| 343 | * This sge list MUST be last. Do not add anything below here. |
| 344 | */ |
| 345 | struct rvt_sge r_sg_list[0] /* verified SGEs */ |
| 346 | ____cacheline_aligned_in_smp; |
| 347 | }; |
| 348 | |
| 349 | /* End QP section */ |
| 350 | |
| 351 | /* |
Dennis Dalessandro | 8afd32e | 2016-01-06 09:51:48 -0800 | [diff] [blame] | 352 | * Things that are driver specific, module parameters in hfi1 and qib |
| 353 | */ |
| 354 | struct rvt_driver_params { |
Dennis Dalessandro | b1070a7 | 2016-01-06 09:52:19 -0800 | [diff] [blame] | 355 | /* |
| 356 | * driver required fields: |
| 357 | * node_guid |
| 358 | * phys_port_cnt |
| 359 | * dma_device |
| 360 | * owner |
| 361 | * driver optional fields (rvt will provide generic value if blank): |
| 362 | * name |
| 363 | * node_desc |
| 364 | * rvt fields, driver value ignored: |
| 365 | * uverbs_abi_ver |
| 366 | * node_type |
| 367 | * num_comp_vectors |
| 368 | * uverbs_cmd_mask |
| 369 | */ |
| 370 | struct ib_device_attr props; |
| 371 | |
| 372 | /* |
| 373 | * Drivers will need to support a number of notifications to rvt in |
| 374 | * accordance with certain events. This structure should contain a mask |
| 375 | * of the supported events. Such events that the rvt may need to know |
| 376 | * about include: |
| 377 | * port errors |
| 378 | * port active |
| 379 | * lid change |
| 380 | * sm change |
| 381 | * client reregister |
| 382 | * pkey change |
| 383 | * |
| 384 | * There may also be other events that the rvt layers needs to know |
| 385 | * about this is not an exhaustive list. Some events though rvt does not |
| 386 | * need to rely on the driver for such as completion queue error. |
| 387 | */ |
| 388 | int rvt_signal_supported; |
| 389 | |
| 390 | /* |
| 391 | * Anything driver specific that is not covered by props |
| 392 | * For instance special module parameters. Goes here. |
| 393 | */ |
Dennis Dalessandro | 8afd32e | 2016-01-06 09:51:48 -0800 | [diff] [blame] | 394 | }; |
| 395 | |
Dennis Dalessandro | aec5778 | 2016-01-06 10:02:52 -0800 | [diff] [blame] | 396 | /* |
| 397 | * Functions that drivers are required to support |
| 398 | */ |
Dennis Dalessandro | b534875 | 2016-01-06 10:02:59 -0800 | [diff] [blame] | 399 | struct rvt_dev_info; |
Dennis Dalessandro | aec5778 | 2016-01-06 10:02:52 -0800 | [diff] [blame] | 400 | struct rvt_driver_provided { |
| 401 | /* |
| 402 | * The work to create port files in /sys/class Infiniband is different |
| 403 | * depending on the driver. This should not be extracted away and |
| 404 | * instead drivers are responsible for setting the correct callback for |
| 405 | * this. |
| 406 | */ |
| 407 | int (*port_callback)(struct ib_device *, u8, struct kobject *); |
Dennis Dalessandro | b534875 | 2016-01-06 10:02:59 -0800 | [diff] [blame] | 408 | const char * (*get_card_name)(struct rvt_dev_info *rdi); |
| 409 | struct pci_dev * (*get_pci_dev)(struct rvt_dev_info *rdi); |
Dennis Dalessandro | aec5778 | 2016-01-06 10:02:52 -0800 | [diff] [blame] | 410 | }; |
| 411 | |
Dennis Dalessandro | 8afd32e | 2016-01-06 09:51:48 -0800 | [diff] [blame] | 412 | /* Protection domain */ |
| 413 | struct rvt_pd { |
| 414 | struct ib_pd ibpd; |
| 415 | int user; /* non-zero if created from user space */ |
| 416 | }; |
| 417 | |
Dennis Dalessandro | 0194621 | 2016-01-06 09:50:24 -0800 | [diff] [blame] | 418 | struct rvt_dev_info { |
Dennis Dalessandro | b1070a7 | 2016-01-06 09:52:19 -0800 | [diff] [blame] | 419 | /* |
| 420 | * Prior to calling for registration the driver will be responsible for |
| 421 | * allocating space for this structure. |
| 422 | * |
| 423 | * The driver will also be responsible for filling in certain members of |
| 424 | * dparms.props |
| 425 | */ |
Dennis Dalessandro | 0194621 | 2016-01-06 09:50:24 -0800 | [diff] [blame] | 426 | struct ib_device ibdev; |
Dennis Dalessandro | 8afd32e | 2016-01-06 09:51:48 -0800 | [diff] [blame] | 427 | |
Dennis Dalessandro | b1070a7 | 2016-01-06 09:52:19 -0800 | [diff] [blame] | 428 | /* Driver specific properties */ |
Dennis Dalessandro | 8afd32e | 2016-01-06 09:51:48 -0800 | [diff] [blame] | 429 | struct rvt_driver_params dparms; |
Dennis Dalessandro | b1070a7 | 2016-01-06 09:52:19 -0800 | [diff] [blame] | 430 | |
Dennis Dalessandro | b92a756 | 2016-01-06 10:01:42 -0800 | [diff] [blame] | 431 | struct rvt_mregion __rcu *dma_mr; |
| 432 | struct rvt_lkey_table lkey_table; |
| 433 | |
Dennis Dalessandro | 3058864 | 2016-01-06 09:54:16 -0800 | [diff] [blame] | 434 | /* PKey Table goes here */ |
| 435 | |
Dennis Dalessandro | aec5778 | 2016-01-06 10:02:52 -0800 | [diff] [blame] | 436 | /* Driver specific helper functions */ |
| 437 | struct rvt_driver_provided driver_f; |
Dennis Dalessandro | 0194621 | 2016-01-06 09:50:24 -0800 | [diff] [blame] | 438 | |
Dennis Dalessandro | 8afd32e | 2016-01-06 09:51:48 -0800 | [diff] [blame] | 439 | /* Internal use */ |
| 440 | int n_pds_allocated; |
| 441 | spinlock_t n_pds_lock; /* Protect pd allocated count */ |
Dennis Dalessandro | 0b8a8aa | 2016-01-06 10:03:07 -0800 | [diff] [blame^] | 442 | |
| 443 | int flags; |
Dennis Dalessandro | 0194621 | 2016-01-06 09:50:24 -0800 | [diff] [blame] | 444 | }; |
| 445 | |
Dennis Dalessandro | 8afd32e | 2016-01-06 09:51:48 -0800 | [diff] [blame] | 446 | static inline struct rvt_pd *ibpd_to_rvtpd(struct ib_pd *ibpd) |
| 447 | { |
| 448 | return container_of(ibpd, struct rvt_pd, ibpd); |
| 449 | } |
| 450 | |
| 451 | static inline struct rvt_dev_info *ib_to_rvt(struct ib_device *ibdev) |
| 452 | { |
| 453 | return container_of(ibdev, struct rvt_dev_info, ibdev); |
| 454 | } |
| 455 | |
Dennis Dalessandro | 0194621 | 2016-01-06 09:50:24 -0800 | [diff] [blame] | 456 | int rvt_register_device(struct rvt_dev_info *rvd); |
| 457 | void rvt_unregister_device(struct rvt_dev_info *rvd); |
| 458 | |
| 459 | #endif /* DEF_RDMA_VT_H */ |