1 /*
2 * Copyright (c) 2005 Ammasso, Inc. 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 #ifndef _C2_WR_H_
34 #define _C2_WR_H_
35
36 #ifdef CCDEBUG
37 #define CCWR_MAGIC 0xb07700b0
38 #endif
39
40 #define C2_QP_NO_ATTR_CHANGE 0xFFFFFFFF
41
42 /* Maximum allowed size in bytes of private_data exchange
43 * on connect.
44 */
45 #define C2_MAX_PRIVATE_DATA_SIZE 200
46
47 /*
48 * These types are shared among the adapter, host, and CCIL consumer.
49 */
50 enum c2_cq_notification_type {
51 C2_CQ_NOTIFICATION_TYPE_NONE = 1,
52 C2_CQ_NOTIFICATION_TYPE_NEXT,
53 C2_CQ_NOTIFICATION_TYPE_NEXT_SE
54 };
55
56 enum c2_setconfig_cmd {
57 C2_CFG_ADD_ADDR = 1,
58 C2_CFG_DEL_ADDR = 2,
59 C2_CFG_ADD_ROUTE = 3,
60 C2_CFG_DEL_ROUTE = 4
61 };
62
63 enum c2_getconfig_cmd {
64 C2_GETCONFIG_ROUTES = 1,
65 C2_GETCONFIG_ADDRS
66 };
67
68 /*
69 * CCIL Work Request Identifiers
70 */
71 enum c2wr_ids {
72 CCWR_RNIC_OPEN = 1,
73 CCWR_RNIC_QUERY,
74 CCWR_RNIC_SETCONFIG,
75 CCWR_RNIC_GETCONFIG,
76 CCWR_RNIC_CLOSE,
77 CCWR_CQ_CREATE,
78 CCWR_CQ_QUERY,
79 CCWR_CQ_MODIFY,
80 CCWR_CQ_DESTROY,
81 CCWR_QP_CONNECT,
82 CCWR_PD_ALLOC,
83 CCWR_PD_DEALLOC,
84 CCWR_SRQ_CREATE,
85 CCWR_SRQ_QUERY,
86 CCWR_SRQ_MODIFY,
87 CCWR_SRQ_DESTROY,
88 CCWR_QP_CREATE,
89 CCWR_QP_QUERY,
90 CCWR_QP_MODIFY,
91 CCWR_QP_DESTROY,
92 CCWR_NSMR_STAG_ALLOC,
93 CCWR_NSMR_REGISTER,
94 CCWR_NSMR_PBL,
95 CCWR_STAG_DEALLOC,
96 CCWR_NSMR_REREGISTER,
97 CCWR_SMR_REGISTER,
98 CCWR_MR_QUERY,
99 CCWR_MW_ALLOC,
100 CCWR_MW_QUERY,
101 CCWR_EP_CREATE,
102 CCWR_EP_GETOPT,
103 CCWR_EP_SETOPT,
104 CCWR_EP_DESTROY,
105 CCWR_EP_BIND,
106 CCWR_EP_CONNECT,
107 CCWR_EP_LISTEN,
108 CCWR_EP_SHUTDOWN,
109 CCWR_EP_LISTEN_CREATE,
110 CCWR_EP_LISTEN_DESTROY,
111 CCWR_EP_QUERY,
112 CCWR_CR_ACCEPT,
113 CCWR_CR_REJECT,
114 CCWR_CONSOLE,
115 CCWR_TERM,
116 CCWR_FLASH_INIT,
117 CCWR_FLASH,
118 CCWR_BUF_ALLOC,
119 CCWR_BUF_FREE,
120 CCWR_FLASH_WRITE,
121 CCWR_INIT, /* WARNING: Don't move this ever again! */
122
123
124
125 /* Add new IDs here */
126
127
128
129 /*
130 * WARNING: CCWR_LAST must always be the last verbs id defined!
131 * All the preceding IDs are fixed, and must not change.
132 * You can add new IDs, but must not remove or reorder
133 * any IDs. If you do, YOU will ruin any hope of
134 * compatability between versions.
135 */
136 CCWR_LAST,
137
138 /*
139 * Start over at 1 so that arrays indexed by user wr id's
140 * begin at 1. This is OK since the verbs and user wr id's
141 * are always used on disjoint sets of queues.
142 */
143 /*
144 * The order of the CCWR_SEND_XX verbs must
145 * match the order of the RDMA_OPs
146 */
147 CCWR_SEND = 1,
148 CCWR_SEND_INV,
149 CCWR_SEND_SE,
150 CCWR_SEND_SE_INV,
151 CCWR_RDMA_WRITE,
152 CCWR_RDMA_READ,
153 CCWR_RDMA_READ_INV,
154 CCWR_MW_BIND,
155 CCWR_NSMR_FASTREG,
156 CCWR_STAG_INVALIDATE,
157 CCWR_RECV,
158 CCWR_NOP,
159 CCWR_UNIMPL,
160 /* WARNING: This must always be the last user wr id defined! */
161 };
162 #define RDMA_SEND_OPCODE_FROM_WR_ID(x) (x+2)
163
164 /*
165 * SQ/RQ Work Request Types
166 */
167 enum c2_wr_type {
168 C2_WR_TYPE_SEND = CCWR_SEND,
169 C2_WR_TYPE_SEND_SE = CCWR_SEND_SE,
170 C2_WR_TYPE_SEND_INV = CCWR_SEND_INV,
171 C2_WR_TYPE_SEND_SE_INV = CCWR_SEND_SE_INV,
172 C2_WR_TYPE_RDMA_WRITE = CCWR_RDMA_WRITE,
173 C2_WR_TYPE_RDMA_READ = CCWR_RDMA_READ,
174 C2_WR_TYPE_RDMA_READ_INV_STAG = CCWR_RDMA_READ_INV,
175 C2_WR_TYPE_BIND_MW = CCWR_MW_BIND,
176 C2_WR_TYPE_FASTREG_NSMR = CCWR_NSMR_FASTREG,
177 C2_WR_TYPE_INV_STAG = CCWR_STAG_INVALIDATE,
178 C2_WR_TYPE_RECV = CCWR_RECV,
179 C2_WR_TYPE_NOP = CCWR_NOP,
180 };
181
182 struct c2_netaddr {
183 __be32 ip_addr;
184 __be32 netmask;
185 u32 mtu;
186 };
187
188 struct c2_route {
189 u32 ip_addr; /* 0 indicates the default route */
190 u32 netmask; /* netmask associated with dst */
191 u32 flags;
192 union {
193 u32 ipaddr; /* address of the nexthop interface */
194 u8 enaddr[6];
195 } nexthop;
196 };
197
198 /*
199 * A Scatter Gather Entry.
200 */
201 struct c2_data_addr {
202 __be32 stag;
203 __be32 length;
204 __be64 to;
205 };
206
207 /*
208 * MR and MW flags used by the consumer, RI, and RNIC.
209 */
210 enum c2_mm_flags {
211 MEM_REMOTE = 0x0001, /* allow mw binds with remote access. */
212 MEM_VA_BASED = 0x0002, /* Not Zero-based */
213 MEM_PBL_COMPLETE = 0x0004, /* PBL array is complete in this msg */
214 MEM_LOCAL_READ = 0x0008, /* allow local reads */
215 MEM_LOCAL_WRITE = 0x0010, /* allow local writes */
216 MEM_REMOTE_READ = 0x0020, /* allow remote reads */
217 MEM_REMOTE_WRITE = 0x0040, /* allow remote writes */
218 MEM_WINDOW_BIND = 0x0080, /* binds allowed */
219 MEM_SHARED = 0x0100, /* set if MR is shared */
220 MEM_STAG_VALID = 0x0200 /* set if STAG is in valid state */
221 };
222
223 /*
224 * CCIL API ACF flags defined in terms of the low level mem flags.
225 * This minimizes translation needed in the user API
226 */
227 enum c2_acf {
228 C2_ACF_LOCAL_READ = MEM_LOCAL_READ,
229 C2_ACF_LOCAL_WRITE = MEM_LOCAL_WRITE,
230 C2_ACF_REMOTE_READ = MEM_REMOTE_READ,
231 C2_ACF_REMOTE_WRITE = MEM_REMOTE_WRITE,
232 C2_ACF_WINDOW_BIND = MEM_WINDOW_BIND
233 };
234
235 /*
236 * Image types of objects written to flash
237 */
238 #define C2_FLASH_IMG_BITFILE 1
239 #define C2_FLASH_IMG_OPTION_ROM 2
240 #define C2_FLASH_IMG_VPD 3
241
242 /*
243 * to fix bug 1815 we define the max size allowable of the
244 * terminate message (per the IETF spec).Refer to the IETF
245 * protocal specification, section 12.1.6, page 64)
246 * The message is prefixed by 20 types of DDP info.
247 *
248 * Then the message has 6 bytes for the terminate control
249 * and DDP segment length info plus a DDP header (either
250 * 14 or 18 byts) plus 28 bytes for the RDMA header.
251 * Thus the max size in:
252 * 20 + (6 + 18 + 28) = 72
253 */
254 #define C2_MAX_TERMINATE_MESSAGE_SIZE (72)
255
256 /*
257 * Build String Length. It must be the same as C2_BUILD_STR_LEN in ccil_api.h
258 */
259 #define WR_BUILD_STR_LEN 64
260
261 /*
262 * WARNING: All of these structs need to align any 64bit types on
263 * 64 bit boundaries! 64bit types include u64 and u64.
264 */
265
266 /*
267 * Clustercore Work Request Header. Be sensitive to field layout
268 * and alignment.
269 */
270 struct c2wr_hdr {
271 /* wqe_count is part of the cqe. It is put here so the
272 * adapter can write to it while the wr is pending without
273 * clobbering part of the wr. This word need not be dma'd
274 * from the host to adapter by libccil, but we copy it anyway
275 * to make the memcpy to the adapter better aligned.
276 */
277 __be32 wqe_count;
278
279 /* Put these fields next so that later 32- and 64-bit
280 * quantities are naturally aligned.
281 */
282 u8 id;
283 u8 result; /* adapter -> host */
284 u8 sge_count; /* host -> adapter */
285 u8 flags; /* host -> adapter */
286
287 u64 context;
288 #ifdef CCMSGMAGIC
289 u32 magic;
290 u32 pad;
291 #endif
292 } __attribute__((packed));
293
294 /*
295 *------------------------ RNIC ------------------------
296 */
297
298 /*
299 * WR_RNIC_OPEN
300 */
301
302 /*
303 * Flags for the RNIC WRs
304 */
305 enum c2_rnic_flags {
306 RNIC_IRD_STATIC = 0x0001,
307 RNIC_ORD_STATIC = 0x0002,
308 RNIC_QP_STATIC = 0x0004,
309 RNIC_SRQ_SUPPORTED = 0x0008,
310 RNIC_PBL_BLOCK_MODE = 0x0010,
311 RNIC_SRQ_MODEL_ARRIVAL = 0x0020,
312 RNIC_CQ_OVF_DETECTED = 0x0040,
313 RNIC_PRIV_MODE = 0x0080
314 };
315
316 struct c2wr_rnic_open_req {
317 struct c2wr_hdr hdr;
318 u64 user_context;
319 __be16 flags; /* See enum c2_rnic_flags */
320 __be16 port_num;
321 } __attribute__((packed));
322
323 struct c2wr_rnic_open_rep {
324 struct c2wr_hdr hdr;
325 u32 rnic_handle;
326 } __attribute__((packed));
327
328 union c2wr_rnic_open {
329 struct c2wr_rnic_open_req req;
330 struct c2wr_rnic_open_rep rep;
331 } __attribute__((packed));
332
333 struct c2wr_rnic_query_req {
334 struct c2wr_hdr hdr;
335 u32 rnic_handle;
336 } __attribute__((packed));
337
338 /*
339 * WR_RNIC_QUERY
340 */
341 struct c2wr_rnic_query_rep {
342 struct c2wr_hdr hdr;
343 u64 user_context;
344 __be32 vendor_id;
345 __be32 part_number;
346 __be32 hw_version;
347 __be32 fw_ver_major;
348 __be32 fw_ver_minor;
349 __be32 fw_ver_patch;
350 char fw_ver_build_str[WR_BUILD_STR_LEN];
351 __be32 max_qps;
352 __be32 max_qp_depth;
353 u32 max_srq_depth;
354 u32 max_send_sgl_depth;
355 u32 max_rdma_sgl_depth;
356 __be32 max_cqs;
357 __be32 max_cq_depth;
358 u32 max_cq_event_handlers;
359 __be32 max_mrs;
360 u32 max_pbl_depth;
361 __be32 max_pds;
362 __be32 max_global_ird;
363 u32 max_global_ord;
364 __be32 max_qp_ird;
365 __be32 max_qp_ord;
366 u32 flags;
367 __be32 max_mws;
368 u32 pbe_range_low;
369 u32 pbe_range_high;
370 u32 max_srqs;
371 u32 page_size;
372 } __attribute__((packed));
373
374 union c2wr_rnic_query {
375 struct c2wr_rnic_query_req req;
376 struct c2wr_rnic_query_rep rep;
377 } __attribute__((packed));
378
379 /*
380 * WR_RNIC_GETCONFIG
381 */
382
383 struct c2wr_rnic_getconfig_req {
384 struct c2wr_hdr hdr;
385 u32 rnic_handle;
386 u32 option; /* see c2_getconfig_cmd_t */
387 u64 reply_buf;
388 u32 reply_buf_len;
389 } __attribute__((packed)) ;
390
391 struct c2wr_rnic_getconfig_rep {
392 struct c2wr_hdr hdr;
393 u32 option; /* see c2_getconfig_cmd_t */
394 u32 count_len; /* length of the number of addresses configured */
395 } __attribute__((packed)) ;
396
397 union c2wr_rnic_getconfig {
398 struct c2wr_rnic_getconfig_req req;
399 struct c2wr_rnic_getconfig_rep rep;
400 } __attribute__((packed)) ;
401
402 /*
403 * WR_RNIC_SETCONFIG
404 */
405 struct c2wr_rnic_setconfig_req {
406 struct c2wr_hdr hdr;
407 u32 rnic_handle;
408 __be32 option; /* See c2_setconfig_cmd_t */
409 /* variable data and pad. See c2_netaddr and c2_route */
410 u8 data[0];
411 } __attribute__((packed)) ;
412
413 struct c2wr_rnic_setconfig_rep {
414 struct c2wr_hdr hdr;
415 } __attribute__((packed)) ;
416
417 union c2wr_rnic_setconfig {
418 struct c2wr_rnic_setconfig_req req;
419 struct c2wr_rnic_setconfig_rep rep;
420 } __attribute__((packed)) ;
421
422 /*
423 * WR_RNIC_CLOSE
424 */
425 struct c2wr_rnic_close_req {
426 struct c2wr_hdr hdr;
427 u32 rnic_handle;
428 } __attribute__((packed)) ;
429
430 struct c2wr_rnic_close_rep {
431 struct c2wr_hdr hdr;
432 } __attribute__((packed)) ;
433
434 union c2wr_rnic_close {
435 struct c2wr_rnic_close_req req;
436 struct c2wr_rnic_close_rep rep;
437 } __attribute__((packed)) ;
438
439 /*
440 *------------------------ CQ ------------------------
441 */
442 struct c2wr_cq_create_req {
443 struct c2wr_hdr hdr;
444 __be64 shared_ht;
445 u64 user_context;
446 __be64 msg_pool;
447 u32 rnic_handle;
448 __be32 msg_size;
449 __be32 depth;
450 } __attribute__((packed)) ;
451
452 struct c2wr_cq_create_rep {
453 struct c2wr_hdr hdr;
454 __be32 mq_index;
455 __be32 adapter_shared;
456 u32 cq_handle;
457 } __attribute__((packed)) ;
458
459 union c2wr_cq_create {
460 struct c2wr_cq_create_req req;
461 struct c2wr_cq_create_rep rep;
462 } __attribute__((packed)) ;
463
464 struct c2wr_cq_modify_req {
465 struct c2wr_hdr hdr;
466 u32 rnic_handle;
467 u32 cq_handle;
468 u32 new_depth;
469 u64 new_msg_pool;
470 } __attribute__((packed)) ;
471
472 struct c2wr_cq_modify_rep {
473 struct c2wr_hdr hdr;
474 } __attribute__((packed)) ;
475
476 union c2wr_cq_modify {
477 struct c2wr_cq_modify_req req;
478 struct c2wr_cq_modify_rep rep;
479 } __attribute__((packed)) ;
480
481 struct c2wr_cq_destroy_req {
482 struct c2wr_hdr hdr;
483 u32 rnic_handle;
484 u32 cq_handle;
485 } __attribute__((packed)) ;
486
487 struct c2wr_cq_destroy_rep {
488 struct c2wr_hdr hdr;
489 } __attribute__((packed)) ;
490
491 union c2wr_cq_destroy {
492 struct c2wr_cq_destroy_req req;
493 struct c2wr_cq_destroy_rep rep;
494 } __attribute__((packed)) ;
495
496 /*
497 *------------------------ PD ------------------------
498 */
499 struct c2wr_pd_alloc_req {
500 struct c2wr_hdr hdr;
501 u32 rnic_handle;
502 u32 pd_id;
503 } __attribute__((packed)) ;
504
505 struct c2wr_pd_alloc_rep {
506 struct c2wr_hdr hdr;
507 } __attribute__((packed)) ;
508
509 union c2wr_pd_alloc {
510 struct c2wr_pd_alloc_req req;
511 struct c2wr_pd_alloc_rep rep;
512 } __attribute__((packed)) ;
513
514 struct c2wr_pd_dealloc_req {
515 struct c2wr_hdr hdr;
516 u32 rnic_handle;
517 u32 pd_id;
518 } __attribute__((packed)) ;
519
520 struct c2wr_pd_dealloc_rep {
521 struct c2wr_hdr hdr;
522 } __attribute__((packed)) ;
523
524 union c2wr_pd_dealloc {
525 struct c2wr_pd_dealloc_req req;
526 struct c2wr_pd_dealloc_rep rep;
527 } __attribute__((packed)) ;
528
529 /*
530 *------------------------ SRQ ------------------------
531 */
532 struct c2wr_srq_create_req {
533 struct c2wr_hdr hdr;
534 u64 shared_ht;
535 u64 user_context;
536 u32 rnic_handle;
537 u32 srq_depth;
538 u32 srq_limit;
539 u32 sgl_depth;
540 u32 pd_id;
541 } __attribute__((packed)) ;
542
543 struct c2wr_srq_create_rep {
544 struct c2wr_hdr hdr;
545 u32 srq_depth;
546 u32 sgl_depth;
547 u32 msg_size;
548 u32 mq_index;
549 u32 mq_start;
550 u32 srq_handle;
551 } __attribute__((packed)) ;
552
553 union c2wr_srq_create {
554 struct c2wr_srq_create_req req;
555 struct c2wr_srq_create_rep rep;
556 } __attribute__((packed)) ;
557
558 struct c2wr_srq_destroy_req {
559 struct c2wr_hdr hdr;
560 u32 rnic_handle;
561 u32 srq_handle;
562 } __attribute__((packed)) ;
563
564 struct c2wr_srq_destroy_rep {
565 struct c2wr_hdr hdr;
566 } __attribute__((packed)) ;
567
568 union c2wr_srq_destroy {
569 struct c2wr_srq_destroy_req req;
570 struct c2wr_srq_destroy_rep rep;
571 } __attribute__((packed)) ;
572
573 /*
574 *------------------------ QP ------------------------
575 */
576 enum c2wr_qp_flags {
577 QP_RDMA_READ = 0x00000001, /* RDMA read enabled? */
578 QP_RDMA_WRITE = 0x00000002, /* RDMA write enabled? */
579 QP_MW_BIND = 0x00000004, /* MWs enabled */
580 QP_ZERO_STAG = 0x00000008, /* enabled? */
581 QP_REMOTE_TERMINATION = 0x00000010, /* remote end terminated */
582 QP_RDMA_READ_RESPONSE = 0x00000020 /* Remote RDMA read */
583 /* enabled? */
584 };
585
586 struct c2wr_qp_create_req {
587 struct c2wr_hdr hdr;
588 __be64 shared_sq_ht;
589 __be64 shared_rq_ht;
590 u64 user_context;
591 u32 rnic_handle;
592 u32 sq_cq_handle;
593 u32 rq_cq_handle;
594 __be32 sq_depth;
595 __be32 rq_depth;
596 u32 srq_handle;
597 u32 srq_limit;
598 __be32 flags; /* see enum c2wr_qp_flags */
599 __be32 send_sgl_depth;
600 __be32 recv_sgl_depth;
601 __be32 rdma_write_sgl_depth;
602 __be32 ord;
603 __be32 ird;
604 u32 pd_id;
605 } __attribute__((packed)) ;
606
607 struct c2wr_qp_create_rep {
608 struct c2wr_hdr hdr;
609 __be32 sq_depth;
610 __be32 rq_depth;
611 u32 send_sgl_depth;
612 u32 recv_sgl_depth;
613 u32 rdma_write_sgl_depth;
614 u32 ord;
615 u32 ird;
616 __be32 sq_msg_size;
617 __be32 sq_mq_index;
618 __be32 sq_mq_start;
619 __be32 rq_msg_size;
620 __be32 rq_mq_index;
621 __be32 rq_mq_start;
622 u32 qp_handle;
623 } __attribute__((packed)) ;
624
625 union c2wr_qp_create {
626 struct c2wr_qp_create_req req;
627 struct c2wr_qp_create_rep rep;
628 } __attribute__((packed)) ;
629
630 struct c2wr_qp_query_req {
631 struct c2wr_hdr hdr;
632 u32 rnic_handle;
633 u32 qp_handle;
634 } __attribute__((packed)) ;
635
636 struct c2wr_qp_query_rep {
637 struct c2wr_hdr hdr;
638 u64 user_context;
639 u32 rnic_handle;
640 u32 sq_depth;
641 u32 rq_depth;
642 u32 send_sgl_depth;
643 u32 rdma_write_sgl_depth;
644 u32 recv_sgl_depth;
645 u32 ord;
646 u32 ird;
647 u16 qp_state;
648 u16 flags; /* see c2wr_qp_flags_t */
649 u32 qp_id;
650 u32 local_addr;
651 u32 remote_addr;
652 u16 local_port;
653 u16 remote_port;
654 u32 terminate_msg_length; /* 0 if not present */
655 u8 data[0];
656 /* Terminate Message in-line here. */
657 } __attribute__((packed)) ;
658
659 union c2wr_qp_query {
660 struct c2wr_qp_query_req req;
661 struct c2wr_qp_query_rep rep;
662 } __attribute__((packed)) ;
663
664 struct c2wr_qp_modify_req {
665 struct c2wr_hdr hdr;
666 u64 stream_msg;
667 u32 stream_msg_length;
668 u32 rnic_handle;
669 u32 qp_handle;
670 __be32 next_qp_state;
671 __be32 ord;
672 __be32 ird;
673 __be32 sq_depth;
674 __be32 rq_depth;
675 u32 llp_ep_handle;
676 } __attribute__((packed)) ;
677
678 struct c2wr_qp_modify_rep {
679 struct c2wr_hdr hdr;
680 u32 ord;
681 u32 ird;
682 u32 sq_depth;
683 u32 rq_depth;
684 u32 sq_msg_size;
685 u32 sq_mq_index;
686 u32 sq_mq_start;
687 u32 rq_msg_size;
688 u32 rq_mq_index;
689 u32 rq_mq_start;
690 } __attribute__((packed)) ;
691
692 union c2wr_qp_modify {
693 struct c2wr_qp_modify_req req;
694 struct c2wr_qp_modify_rep rep;
695 } __attribute__((packed)) ;
696
697 struct c2wr_qp_destroy_req {
698 struct c2wr_hdr hdr;
699 u32 rnic_handle;
700 u32 qp_handle;
701 } __attribute__((packed)) ;
702
703 struct c2wr_qp_destroy_rep {
704 struct c2wr_hdr hdr;
705 } __attribute__((packed)) ;
706
707 union c2wr_qp_destroy {
708 struct c2wr_qp_destroy_req req;
709 struct c2wr_qp_destroy_rep rep;
710 } __attribute__((packed)) ;
711
712 /*
713 * The CCWR_QP_CONNECT msg is posted on the verbs request queue. It can
714 * only be posted when a QP is in IDLE state. After the connect request is
715 * submitted to the LLP, the adapter moves the QP to CONNECT_PENDING state.
716 * No synchronous reply from adapter to this WR. The results of
717 * connection are passed back in an async event CCAE_ACTIVE_CONNECT_RESULTS
718 * See c2wr_ae_active_connect_results_t
719 */
720 struct c2wr_qp_connect_req {
721 struct c2wr_hdr hdr;
722 u32 rnic_handle;
723 u32 qp_handle;
724 __be32 remote_addr;
725 __be16 remote_port;
726 u16 pad;
727 __be32 private_data_length;
728 u8 private_data[0]; /* Private data in-line. */
729 } __attribute__((packed)) ;
730
731 struct c2wr_qp_connect {
732 struct c2wr_qp_connect_req req;
733 /* no synchronous reply. */
734 } __attribute__((packed)) ;
735
736
737 /*
738 *------------------------ MM ------------------------
739 */
740
741 struct c2wr_nsmr_stag_alloc_req {
742 struct c2wr_hdr hdr;
743 u32 rnic_handle;
744 u32 pbl_depth;
745 u32 pd_id;
746 u32 flags;
747 } __attribute__((packed)) ;
748
749 struct c2wr_nsmr_stag_alloc_rep {
750 struct c2wr_hdr hdr;
751 u32 pbl_depth;
752 u32 stag_index;
753 } __attribute__((packed)) ;
754
755 union c2wr_nsmr_stag_alloc {
756 struct c2wr_nsmr_stag_alloc_req req;
757 struct c2wr_nsmr_stag_alloc_rep rep;
758 } __attribute__((packed)) ;
759
760 struct c2wr_nsmr_register_req {
761 struct c2wr_hdr hdr;
762 __be64 va;
763 u32 rnic_handle;
764 __be16 flags;
765 u8 stag_key;
766 u8 pad;
767 u32 pd_id;
768 __be32 pbl_depth;
769 __be32 pbe_size;
770 __be32 fbo;
771 __be32 length;
772 __be32 addrs_length;
773 /* array of paddrs (must be aligned on a 64bit boundary) */
774 __be64 paddrs[0];
775 } __attribute__((packed)) ;
776
777 struct c2wr_nsmr_register_rep {
778 struct c2wr_hdr hdr;
779 u32 pbl_depth;
780 __be32 stag_index;
781 } __attribute__((packed)) ;
782
783 union c2wr_nsmr_register {
784 struct c2wr_nsmr_register_req req;
785 struct c2wr_nsmr_register_rep rep;
786 } __attribute__((packed)) ;
787
788 struct c2wr_nsmr_pbl_req {
789 struct c2wr_hdr hdr;
790 u32 rnic_handle;
791 __be32 flags;
792 __be32 stag_index;
793 __be32 addrs_length;
794 /* array of paddrs (must be aligned on a 64bit boundary) */
795 __be64 paddrs[0];
796 } __attribute__((packed)) ;
797
798 struct c2wr_nsmr_pbl_rep {
799 struct c2wr_hdr hdr;
800 } __attribute__((packed)) ;
801
802 union c2wr_nsmr_pbl {
803 struct c2wr_nsmr_pbl_req req;
804 struct c2wr_nsmr_pbl_rep rep;
805 } __attribute__((packed)) ;
806
807 struct c2wr_mr_query_req {
808 struct c2wr_hdr hdr;
809 u32 rnic_handle;
810 u32 stag_index;
811 } __attribute__((packed)) ;
812
813 struct c2wr_mr_query_rep {
814 struct c2wr_hdr hdr;
815 u8 stag_key;
816 u8 pad[3];
817 u32 pd_id;
818 u32 flags;
819 u32 pbl_depth;
820 } __attribute__((packed)) ;
821
822 union c2wr_mr_query {
823 struct c2wr_mr_query_req req;
824 struct c2wr_mr_query_rep rep;
825 } __attribute__((packed)) ;
826
827 struct c2wr_mw_query_req {
828 struct c2wr_hdr hdr;
829 u32 rnic_handle;
830 u32 stag_index;
831 } __attribute__((packed)) ;
832
833 struct c2wr_mw_query_rep {
834 struct c2wr_hdr hdr;
835 u8 stag_key;
836 u8 pad[3];
837 u32 pd_id;
838 u32 flags;
839 } __attribute__((packed)) ;
840
841 union c2wr_mw_query {
842 struct c2wr_mw_query_req req;
843 struct c2wr_mw_query_rep rep;
844 } __attribute__((packed)) ;
845
846
847 struct c2wr_stag_dealloc_req {
848 struct c2wr_hdr hdr;
849 u32 rnic_handle;
850 __be32 stag_index;
851 } __attribute__((packed)) ;
852
853 struct c2wr_stag_dealloc_rep {
854 struct c2wr_hdr hdr;
855 } __attribute__((packed)) ;
856
857 union c2wr_stag_dealloc {
858 struct c2wr_stag_dealloc_req req;
859 struct c2wr_stag_dealloc_rep rep;
860 } __attribute__((packed)) ;
861
862 struct c2wr_nsmr_reregister_req {
863 struct c2wr_hdr hdr;
864 u64 va;
865 u32 rnic_handle;
866 u16 flags;
867 u8 stag_key;
868 u8 pad;
869 u32 stag_index;
870 u32 pd_id;
871 u32 pbl_depth;
872 u32 pbe_size;
873 u32 fbo;
874 u32 length;
875 u32 addrs_length;
876 u32 pad1;
877 /* array of paddrs (must be aligned on a 64bit boundary) */
878 u64 paddrs[0];
879 } __attribute__((packed)) ;
880
881 struct c2wr_nsmr_reregister_rep {
882 struct c2wr_hdr hdr;
883 u32 pbl_depth;
884 u32 stag_index;
885 } __attribute__((packed)) ;
886
887 union c2wr_nsmr_reregister {
888 struct c2wr_nsmr_reregister_req req;
889 struct c2wr_nsmr_reregister_rep rep;
890 } __attribute__((packed)) ;
891
892 struct c2wr_smr_register_req {
893 struct c2wr_hdr hdr;
894 u64 va;
895 u32 rnic_handle;
896 u16 flags;
897 u8 stag_key;
898 u8 pad;
899 u32 stag_index;
900 u32 pd_id;
901 } __attribute__((packed)) ;
902
903 struct c2wr_smr_register_rep {
904 struct c2wr_hdr hdr;
905 u32 stag_index;
906 } __attribute__((packed)) ;
907
908 union c2wr_smr_register {
909 struct c2wr_smr_register_req req;
910 struct c2wr_smr_register_rep rep;
911 } __attribute__((packed)) ;
912
913 struct c2wr_mw_alloc_req {
914 struct c2wr_hdr hdr;
915 u32 rnic_handle;
916 u32 pd_id;
917 } __attribute__((packed)) ;
918
919 struct c2wr_mw_alloc_rep {
920 struct c2wr_hdr hdr;
921 u32 stag_index;
922 } __attribute__((packed)) ;
923
924 union c2wr_mw_alloc {
925 struct c2wr_mw_alloc_req req;
926 struct c2wr_mw_alloc_rep rep;
927 } __attribute__((packed)) ;
928
929 /*
930 *------------------------ WRs -----------------------
931 */
932
933 struct c2wr_user_hdr {
934 struct c2wr_hdr hdr; /* Has status and WR Type */
935 } __attribute__((packed)) ;
936
937 enum c2_qp_state {
938 C2_QP_STATE_IDLE = 0x01,
939 C2_QP_STATE_CONNECTING = 0x02,
940 C2_QP_STATE_RTS = 0x04,
941 C2_QP_STATE_CLOSING = 0x08,
942 C2_QP_STATE_TERMINATE = 0x10,
943 C2_QP_STATE_ERROR = 0x20,
944 };
945
946 /* Completion queue entry. */
947 struct c2wr_ce {
948 struct c2wr_hdr hdr; /* Has status and WR Type */
949 u64 qp_user_context; /* c2_user_qp_t * */
950 u32 qp_state; /* Current QP State */
951 u32 handle; /* QPID or EP Handle */
952 __be32 bytes_rcvd; /* valid for RECV WCs */
953 u32 stag;
954 } __attribute__((packed)) ;
955
956
957 /*
958 * Flags used for all post-sq WRs. These must fit in the flags
959 * field of the struct c2wr_hdr (eight bits).
960 */
961 enum {
962 SQ_SIGNALED = 0x01,
963 SQ_READ_FENCE = 0x02,
964 SQ_FENCE = 0x04,
965 };
966
967 /*
968 * Common fields for all post-sq WRs. Namely the standard header and a
969 * secondary header with fields common to all post-sq WRs.
970 */
971 struct c2_sq_hdr {
972 struct c2wr_user_hdr user_hdr;
973 } __attribute__((packed));
974
975 /*
976 * Same as above but for post-rq WRs.
977 */
978 struct c2_rq_hdr {
979 struct c2wr_user_hdr user_hdr;
980 } __attribute__((packed));
981
982 /*
983 * use the same struct for all sends.
984 */
985 struct c2wr_send_req {
986 struct c2_sq_hdr sq_hdr;
987 __be32 sge_len;
988 __be32 remote_stag;
989 u8 data[0]; /* SGE array */
990 } __attribute__((packed));
991
992 union c2wr_send {
993 struct c2wr_send_req req;
994 struct c2wr_ce rep;
995 } __attribute__((packed));
996
997 struct c2wr_rdma_write_req {
998 struct c2_sq_hdr sq_hdr;
999 __be64 remote_to;
1000 __be32 remote_stag;
1001 __be32 sge_len;
1002 u8 data[0]; /* SGE array */
1003 } __attribute__((packed));
1004
1005 union c2wr_rdma_write {
1006 struct c2wr_rdma_write_req req;
1007 struct c2wr_ce rep;
1008 } __attribute__((packed));
1009
1010 struct c2wr_rdma_read_req {
1011 struct c2_sq_hdr sq_hdr;
1012 __be64 local_to;
1013 __be64 remote_to;
1014 __be32 local_stag;
1015 __be32 remote_stag;
1016 __be32 length;
1017 } __attribute__((packed));
1018
1019 union c2wr_rdma_read {
1020 struct c2wr_rdma_read_req req;
1021 struct c2wr_ce rep;
1022 } __attribute__((packed));
1023
1024 struct c2wr_mw_bind_req {
1025 struct c2_sq_hdr sq_hdr;
1026 u64 va;
1027 u8 stag_key;
1028 u8 pad[3];
1029 u32 mw_stag_index;
1030 u32 mr_stag_index;
1031 u32 length;
1032 u32 flags;
1033 } __attribute__((packed));
1034
1035 union c2wr_mw_bind {
1036 struct c2wr_mw_bind_req req;
1037 struct c2wr_ce rep;
1038 } __attribute__((packed));
1039
1040 struct c2wr_nsmr_fastreg_req {
1041 struct c2_sq_hdr sq_hdr;
1042 u64 va;
1043 u8 stag_key;
1044 u8 pad[3];
1045 u32 stag_index;
1046 u32 pbe_size;
1047 u32 fbo;
1048 u32 length;
1049 u32 addrs_length;
1050 /* array of paddrs (must be aligned on a 64bit boundary) */
1051 u64 paddrs[0];
1052 } __attribute__((packed));
1053
1054 union c2wr_nsmr_fastreg {
1055 struct c2wr_nsmr_fastreg_req req;
1056 struct c2wr_ce rep;
1057 } __attribute__((packed));
1058
1059 struct c2wr_stag_invalidate_req {
1060 struct c2_sq_hdr sq_hdr;
1061 u8 stag_key;
1062 u8 pad[3];
1063 u32 stag_index;
1064 } __attribute__((packed));
1065
1066 union c2wr_stag_invalidate {
1067 struct c2wr_stag_invalidate_req req;
1068 struct c2wr_ce rep;
1069 } __attribute__((packed));
1070
1071 union c2wr_sqwr {
1072 struct c2_sq_hdr sq_hdr;
1073 struct c2wr_send_req send;
1074 struct c2wr_send_req send_se;
1075 struct c2wr_send_req send_inv;
1076 struct c2wr_send_req send_se_inv;
1077 struct c2wr_rdma_write_req rdma_write;
1078 struct c2wr_rdma_read_req rdma_read;
1079 struct c2wr_mw_bind_req mw_bind;
1080 struct c2wr_nsmr_fastreg_req nsmr_fastreg;
1081 struct c2wr_stag_invalidate_req stag_inv;
1082 } __attribute__((packed));
1083
1084
1085 /*
1086 * RQ WRs
1087 */
1088 struct c2wr_rqwr {
1089 struct c2_rq_hdr rq_hdr;
1090 u8 data[0]; /* array of SGEs */
1091 } __attribute__((packed));
1092
1093 union c2wr_recv {
1094 struct c2wr_rqwr req;
1095 struct c2wr_ce rep;
1096 } __attribute__((packed));
1097
1098 /*
1099 * All AEs start with this header. Most AEs only need to convey the
1100 * information in the header. Some, like LLP connection events, need
1101 * more info. The union typdef c2wr_ae_t has all the possible AEs.
1102 *
1103 * hdr.context is the user_context from the rnic_open WR. NULL If this
1104 * is not affiliated with an rnic
1105 *
1106 * hdr.id is the AE identifier (eg; CCAE_REMOTE_SHUTDOWN,
1107 * CCAE_LLP_CLOSE_COMPLETE)
1108 *
1109 * resource_type is one of: C2_RES_IND_QP, C2_RES_IND_CQ, C2_RES_IND_SRQ
1110 *
1111 * user_context is the context passed down when the host created the resource.
1112 */
1113 struct c2wr_ae_hdr {
1114 struct c2wr_hdr hdr;
1115 u64 user_context; /* user context for this res. */
1116 __be32 resource_type; /* see enum c2_resource_indicator */
1117 __be32 resource; /* handle for resource */
1118 __be32 qp_state; /* current QP State */
1119 } __attribute__((packed));
1120
1121 /*
1122 * After submitting the CCAE_ACTIVE_CONNECT_RESULTS message on the AEQ,
1123 * the adapter moves the QP into RTS state
1124 */
1125 struct c2wr_ae_active_connect_results {
1126 struct c2wr_ae_hdr ae_hdr;
1127 __be32 laddr;
1128 __be32 raddr;
1129 __be16 lport;
1130 __be16 rport;
1131 __be32 private_data_length;
1132 u8 private_data[0]; /* data is in-line in the msg. */
1133 } __attribute__((packed));
1134
1135 /*
1136 * When connections are established by the stack (and the private data
1137 * MPA frame is received), the adapter will generate an event to the host.
1138 * The details of the connection, any private data, and the new connection
1139 * request handle is passed up via the CCAE_CONNECTION_REQUEST msg on the
1140 * AE queue:
1141 */
1142 struct c2wr_ae_connection_request {
1143 struct c2wr_ae_hdr ae_hdr;
1144 u32 cr_handle; /* connreq handle (sock ptr) */
1145 __be32 laddr;
1146 __be32 raddr;
1147 __be16 lport;
1148 __be16 rport;
1149 __be32 private_data_length;
1150 u8 private_data[0]; /* data is in-line in the msg. */
1151 } __attribute__((packed));
1152
1153 union c2wr_ae {
1154 struct c2wr_ae_hdr ae_generic;
1155 struct c2wr_ae_active_connect_results ae_active_connect_results;
1156 struct c2wr_ae_connection_request ae_connection_request;
1157 } __attribute__((packed));
1158
1159 struct c2wr_init_req {
1160 struct c2wr_hdr hdr;
1161 __be64 hint_count;
1162 __be64 q0_host_shared;
1163 __be64 q1_host_shared;
1164 __be64 q1_host_msg_pool;
1165 __be64 q2_host_shared;
1166 __be64 q2_host_msg_pool;
1167 } __attribute__((packed));
1168
1169 struct c2wr_init_rep {
1170 struct c2wr_hdr hdr;
1171 } __attribute__((packed));
1172
1173 union c2wr_init {
1174 struct c2wr_init_req req;
1175 struct c2wr_init_rep rep;
1176 } __attribute__((packed));
1177
1178 /*
1179 * For upgrading flash.
1180 */
1181
1182 struct c2wr_flash_init_req {
1183 struct c2wr_hdr hdr;
1184 u32 rnic_handle;
1185 } __attribute__((packed));
1186
1187 struct c2wr_flash_init_rep {
1188 struct c2wr_hdr hdr;
1189 u32 adapter_flash_buf_offset;
1190 u32 adapter_flash_len;
1191 } __attribute__((packed));
1192
1193 union c2wr_flash_init {
1194 struct c2wr_flash_init_req req;
1195 struct c2wr_flash_init_rep rep;
1196 } __attribute__((packed));
1197
1198 struct c2wr_flash_req {
1199 struct c2wr_hdr hdr;
1200 u32 rnic_handle;
1201 u32 len;
1202 } __attribute__((packed));
1203
1204 struct c2wr_flash_rep {
1205 struct c2wr_hdr hdr;
1206 u32 status;
1207 } __attribute__((packed));
1208
1209 union c2wr_flash {
1210 struct c2wr_flash_req req;
1211 struct c2wr_flash_rep rep;
1212 } __attribute__((packed));
1213
1214 struct c2wr_buf_alloc_req {
1215 struct c2wr_hdr hdr;
1216 u32 rnic_handle;
1217 u32 size;
1218 } __attribute__((packed));
1219
1220 struct c2wr_buf_alloc_rep {
1221 struct c2wr_hdr hdr;
1222 u32 offset; /* 0 if mem not available */
1223 u32 size; /* 0 if mem not available */
1224 } __attribute__((packed));
1225
1226 union c2wr_buf_alloc {
1227 struct c2wr_buf_alloc_req req;
1228 struct c2wr_buf_alloc_rep rep;
1229 } __attribute__((packed));
1230
1231 struct c2wr_buf_free_req {
1232 struct c2wr_hdr hdr;
1233 u32 rnic_handle;
1234 u32 offset; /* Must match value from alloc */
1235 u32 size; /* Must match value from alloc */
1236 } __attribute__((packed));
1237
1238 struct c2wr_buf_free_rep {
1239 struct c2wr_hdr hdr;
1240 } __attribute__((packed));
1241
1242 union c2wr_buf_free {
1243 struct c2wr_buf_free_req req;
1244 struct c2wr_ce rep;
1245 } __attribute__((packed));
1246
1247 struct c2wr_flash_write_req {
1248 struct c2wr_hdr hdr;
1249 u32 rnic_handle;
1250 u32 offset;
1251 u32 size;
1252 u32 type;
1253 u32 flags;
1254 } __attribute__((packed));
1255
1256 struct c2wr_flash_write_rep {
1257 struct c2wr_hdr hdr;
1258 u32 status;
1259 } __attribute__((packed));
1260
1261 union c2wr_flash_write {
1262 struct c2wr_flash_write_req req;
1263 struct c2wr_flash_write_rep rep;
1264 } __attribute__((packed));
1265
1266 /*
1267 * Messages for LLP connection setup.
1268 */
1269
1270 /*
1271 * Listen Request. This allocates a listening endpoint to allow passive
1272 * connection setup. Newly established LLP connections are passed up
1273 * via an AE. See c2wr_ae_connection_request_t
1274 */
1275 struct c2wr_ep_listen_create_req {
1276 struct c2wr_hdr hdr;
1277 u64 user_context; /* returned in AEs. */
1278 u32 rnic_handle;
1279 __be32 local_addr; /* local addr, or 0 */
1280 __be16 local_port; /* 0 means "pick one" */
1281 u16 pad;
1282 __be32 backlog; /* tradional tcp listen bl */
1283 } __attribute__((packed));
1284
1285 struct c2wr_ep_listen_create_rep {
1286 struct c2wr_hdr hdr;
1287 u32 ep_handle; /* handle to new listening ep */
1288 u16 local_port; /* resulting port... */
1289 u16 pad;
1290 } __attribute__((packed));
1291
1292 union c2wr_ep_listen_create {
1293 struct c2wr_ep_listen_create_req req;
1294 struct c2wr_ep_listen_create_rep rep;
1295 } __attribute__((packed));
1296
1297 struct c2wr_ep_listen_destroy_req {
1298 struct c2wr_hdr hdr;
1299 u32 rnic_handle;
1300 u32 ep_handle;
1301 } __attribute__((packed));
1302
1303 struct c2wr_ep_listen_destroy_rep {
1304 struct c2wr_hdr hdr;
1305 } __attribute__((packed));
1306
1307 union c2wr_ep_listen_destroy {
1308 struct c2wr_ep_listen_destroy_req req;
1309 struct c2wr_ep_listen_destroy_rep rep;
1310 } __attribute__((packed));
1311
1312 struct c2wr_ep_query_req {
1313 struct c2wr_hdr hdr;
1314 u32 rnic_handle;
1315 u32 ep_handle;
1316 } __attribute__((packed));
1317
1318 struct c2wr_ep_query_rep {
1319 struct c2wr_hdr hdr;
1320 u32 rnic_handle;
1321 u32 local_addr;
1322 u32 remote_addr;
1323 u16 local_port;
1324 u16 remote_port;
1325 } __attribute__((packed));
1326
1327 union c2wr_ep_query {
1328 struct c2wr_ep_query_req req;
1329 struct c2wr_ep_query_rep rep;
1330 } __attribute__((packed));
1331
1332
1333 /*
1334 * The host passes this down to indicate acceptance of a pending iWARP
1335 * connection. The cr_handle was obtained from the CONNECTION_REQUEST
1336 * AE passed up by the adapter. See c2wr_ae_connection_request_t.
1337 */
1338 struct c2wr_cr_accept_req {
1339 struct c2wr_hdr hdr;
1340 u32 rnic_handle;
1341 u32 qp_handle; /* QP to bind to this LLP conn */
1342 u32 ep_handle; /* LLP handle to accept */
1343 __be32 private_data_length;
1344 u8 private_data[0]; /* data in-line in msg. */
1345 } __attribute__((packed));
1346
1347 /*
1348 * adapter sends reply when private data is successfully submitted to
1349 * the LLP.
1350 */
1351 struct c2wr_cr_accept_rep {
1352 struct c2wr_hdr hdr;
1353 } __attribute__((packed));
1354
1355 union c2wr_cr_accept {
1356 struct c2wr_cr_accept_req req;
1357 struct c2wr_cr_accept_rep rep;
1358 } __attribute__((packed));
1359
1360 /*
1361 * The host sends this down if a given iWARP connection request was
1362 * rejected by the consumer. The cr_handle was obtained from a
1363 * previous c2wr_ae_connection_request_t AE sent by the adapter.
1364 */
1365 struct c2wr_cr_reject_req {
1366 struct c2wr_hdr hdr;
1367 u32 rnic_handle;
1368 u32 ep_handle; /* LLP handle to reject */
1369 } __attribute__((packed));
1370
1371 /*
1372 * Dunno if this is needed, but we'll add it for now. The adapter will
1373 * send the reject_reply after the LLP endpoint has been destroyed.
1374 */
1375 struct c2wr_cr_reject_rep {
1376 struct c2wr_hdr hdr;
1377 } __attribute__((packed));
1378
1379 union c2wr_cr_reject {
1380 struct c2wr_cr_reject_req req;
1381 struct c2wr_cr_reject_rep rep;
1382 } __attribute__((packed));
1383
1384 /*
1385 * console command. Used to implement a debug console over the verbs
1386 * request and reply queues.
1387 */
1388
1389 /*
1390 * Console request message. It contains:
1391 * - message hdr with id = CCWR_CONSOLE
1392 * - the physaddr/len of host memory to be used for the reply.
1393 * - the command string. eg: "netstat -s" or "zoneinfo"
1394 */
1395 struct c2wr_console_req {
1396 struct c2wr_hdr hdr; /* id = CCWR_CONSOLE */
1397 u64 reply_buf; /* pinned host buf for reply */
1398 u32 reply_buf_len; /* length of reply buffer */
1399 u8 command[0]; /* NUL terminated ascii string */
1400 /* containing the command req */
1401 } __attribute__((packed));
1402
1403 /*
1404 * flags used in the console reply.
1405 */
1406 enum c2_console_flags {
1407 CONS_REPLY_TRUNCATED = 0x00000001 /* reply was truncated */
1408 } __attribute__((packed));
1409
1410 /*
1411 * Console reply message.
1412 * hdr.result contains the c2_status_t error if the reply was _not_ generated,
1413 * or C2_OK if the reply was generated.
1414 */
1415 struct c2wr_console_rep {
1416 struct c2wr_hdr hdr; /* id = CCWR_CONSOLE */
1417 u32 flags;
1418 } __attribute__((packed));
1419
1420 union c2wr_console {
1421 struct c2wr_console_req req;
1422 struct c2wr_console_rep rep;
1423 } __attribute__((packed));
1424
1425
1426 /*
1427 * Giant union with all WRs. Makes life easier...
1428 */
1429 union c2wr {
1430 struct c2wr_hdr hdr;
1431 struct c2wr_user_hdr user_hdr;
1432 union c2wr_rnic_open rnic_open;
1433 union c2wr_rnic_query rnic_query;
1434 union c2wr_rnic_getconfig rnic_getconfig;
1435 union c2wr_rnic_setconfig rnic_setconfig;
1436 union c2wr_rnic_close rnic_close;
1437 union c2wr_cq_create cq_create;
1438 union c2wr_cq_modify cq_modify;
1439 union c2wr_cq_destroy cq_destroy;
1440 union c2wr_pd_alloc pd_alloc;
1441 union c2wr_pd_dealloc pd_dealloc;
1442 union c2wr_srq_create srq_create;
1443 union c2wr_srq_destroy srq_destroy;
1444 union c2wr_qp_create qp_create;
1445 union c2wr_qp_query qp_query;
1446 union c2wr_qp_modify qp_modify;
1447 union c2wr_qp_destroy qp_destroy;
1448 struct c2wr_qp_connect qp_connect;
1449 union c2wr_nsmr_stag_alloc nsmr_stag_alloc;
1450 union c2wr_nsmr_register nsmr_register;
1451 union c2wr_nsmr_pbl nsmr_pbl;
1452 union c2wr_mr_query mr_query;
1453 union c2wr_mw_query mw_query;
1454 union c2wr_stag_dealloc stag_dealloc;
1455 union c2wr_sqwr sqwr;
1456 struct c2wr_rqwr rqwr;
1457 struct c2wr_ce ce;
1458 union c2wr_ae ae;
1459 union c2wr_init init;
1460 union c2wr_ep_listen_create ep_listen_create;
1461 union c2wr_ep_listen_destroy ep_listen_destroy;
1462 union c2wr_cr_accept cr_accept;
1463 union c2wr_cr_reject cr_reject;
1464 union c2wr_console console;
1465 union c2wr_flash_init flash_init;
1466 union c2wr_flash flash;
1467 union c2wr_buf_alloc buf_alloc;
1468 union c2wr_buf_free buf_free;
1469 union c2wr_flash_write flash_write;
1470 } __attribute__((packed));
1471
1472
1473 /*
1474 * Accessors for the wr fields that are packed together tightly to
1475 * reduce the wr message size. The wr arguments are void* so that
1476 * either a struct c2wr*, a struct c2wr_hdr*, or a pointer to any of the types
1477 * in the struct c2wr union can be passed in.
1478 */
c2_wr_get_id(void * wr)1479 static __inline__ u8 c2_wr_get_id(void *wr)
1480 {
1481 return ((struct c2wr_hdr *) wr)->id;
1482 }
c2_wr_set_id(void * wr,u8 id)1483 static __inline__ void c2_wr_set_id(void *wr, u8 id)
1484 {
1485 ((struct c2wr_hdr *) wr)->id = id;
1486 }
c2_wr_get_result(void * wr)1487 static __inline__ u8 c2_wr_get_result(void *wr)
1488 {
1489 return ((struct c2wr_hdr *) wr)->result;
1490 }
c2_wr_set_result(void * wr,u8 result)1491 static __inline__ void c2_wr_set_result(void *wr, u8 result)
1492 {
1493 ((struct c2wr_hdr *) wr)->result = result;
1494 }
c2_wr_get_flags(void * wr)1495 static __inline__ u8 c2_wr_get_flags(void *wr)
1496 {
1497 return ((struct c2wr_hdr *) wr)->flags;
1498 }
c2_wr_set_flags(void * wr,u8 flags)1499 static __inline__ void c2_wr_set_flags(void *wr, u8 flags)
1500 {
1501 ((struct c2wr_hdr *) wr)->flags = flags;
1502 }
c2_wr_get_sge_count(void * wr)1503 static __inline__ u8 c2_wr_get_sge_count(void *wr)
1504 {
1505 return ((struct c2wr_hdr *) wr)->sge_count;
1506 }
c2_wr_set_sge_count(void * wr,u8 sge_count)1507 static __inline__ void c2_wr_set_sge_count(void *wr, u8 sge_count)
1508 {
1509 ((struct c2wr_hdr *) wr)->sge_count = sge_count;
1510 }
c2_wr_get_wqe_count(void * wr)1511 static __inline__ __be32 c2_wr_get_wqe_count(void *wr)
1512 {
1513 return ((struct c2wr_hdr *) wr)->wqe_count;
1514 }
c2_wr_set_wqe_count(void * wr,u32 wqe_count)1515 static __inline__ void c2_wr_set_wqe_count(void *wr, u32 wqe_count)
1516 {
1517 ((struct c2wr_hdr *) wr)->wqe_count = wqe_count;
1518 }
1519
1520 #endif /* _C2_WR_H_ */
1521