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review.shift-gmbh.com / SHIFTPHONES / kernel / common / cb729d80b5c556acf38f1f04a1f0550472a75987 / . / drivers / scsi / bnx2i / 57xx_iscsi_hsi.h
blob: 19b3a97dbacd0b386f74bd2e6e0e1c8cdfaf7cad [file] [log] [blame]
Vikas Chaudharyf39a7752014-07-03 08:18:27 -0400[diff] [blame]1/* 57xx_iscsi_hsi.h: QLogic NetXtreme II iSCSI HSI.
Michael Chancf4e6362009-06-08 18:14:44 -0700[diff] [blame]2 *
Eddie Wai0b3bf382013-07-11 17:15:55 -0700[diff] [blame]3 * Copyright (c) 2006 - 2013 Broadcom Corporation
Vikas Chaudharyf39a7752014-07-03 08:18:27 -0400[diff] [blame]4 * Copyright (c) 2014, QLogic Corporation
Michael Chancf4e6362009-06-08 18:14:44 -0700[diff] [blame]5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation.
9 *
10 * Written by: Anil Veerabhadrappa (anilgv@broadcom.com)
Vikas Chaudharyf39a7752014-07-03 08:18:27 -0400[diff] [blame]11 * Previously Maintained by: Eddie Wai (eddie.wai@broadcom.com)
12 * Maintained by: QLogic-Storage-Upstream@qlogic.com
Michael Chancf4e6362009-06-08 18:14:44 -0700[diff] [blame]13 */
14#ifndef __57XX_ISCSI_HSI_LINUX_LE__
15#define __57XX_ISCSI_HSI_LINUX_LE__
16
17/*
18 * iSCSI Async CQE
19 */
20struct bnx2i_async_msg {
21#if defined(__BIG_ENDIAN)
22 u8 op_code;
23 u8 reserved1;
24 u16 reserved0;
25#elif defined(__LITTLE_ENDIAN)
26 u16 reserved0;
27 u8 reserved1;
28 u8 op_code;
29#endif
30 u32 reserved2;
31 u32 exp_cmd_sn;
32 u32 max_cmd_sn;
33 u32 reserved3[2];
34#if defined(__BIG_ENDIAN)
35 u16 reserved5;
36 u8 err_code;
37 u8 reserved4;
38#elif defined(__LITTLE_ENDIAN)
39 u8 reserved4;
40 u8 err_code;
41 u16 reserved5;
42#endif
43 u32 reserved6;
44 u32 lun[2];
45#if defined(__BIG_ENDIAN)
46 u8 async_event;
47 u8 async_vcode;
48 u16 param1;
49#elif defined(__LITTLE_ENDIAN)
50 u16 param1;
51 u8 async_vcode;
52 u8 async_event;
53#endif
54#if defined(__BIG_ENDIAN)
55 u16 param2;
56 u16 param3;
57#elif defined(__LITTLE_ENDIAN)
58 u16 param3;
59 u16 param2;
60#endif
61 u32 reserved7[3];
62 u32 cq_req_sn;
63};
64
65
66/*
67 * iSCSI Buffer Descriptor (BD)
68 */
69struct iscsi_bd {
70 u32 buffer_addr_hi;
71 u32 buffer_addr_lo;
72#if defined(__BIG_ENDIAN)
73 u16 reserved0;
74 u16 buffer_length;
75#elif defined(__LITTLE_ENDIAN)
76 u16 buffer_length;
77 u16 reserved0;
78#endif
79#if defined(__BIG_ENDIAN)
80 u16 reserved3;
81 u16 flags;
82#define ISCSI_BD_RESERVED1 (0x3F<<0)
83#define ISCSI_BD_RESERVED1_SHIFT 0
84#define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6)
85#define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6
86#define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7)
87#define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7
88#define ISCSI_BD_RESERVED2 (0xFF<<8)
89#define ISCSI_BD_RESERVED2_SHIFT 8
90#elif defined(__LITTLE_ENDIAN)
91 u16 flags;
92#define ISCSI_BD_RESERVED1 (0x3F<<0)
93#define ISCSI_BD_RESERVED1_SHIFT 0
94#define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6)
95#define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6
96#define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7)
97#define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7
98#define ISCSI_BD_RESERVED2 (0xFF<<8)
99#define ISCSI_BD_RESERVED2_SHIFT 8
100 u16 reserved3;
101#endif
102};
103
104
105/*
106 * iSCSI Cleanup SQ WQE
107 */
108struct bnx2i_cleanup_request {
109#if defined(__BIG_ENDIAN)
110 u8 op_code;
111 u8 reserved1;
112 u16 reserved0;
113#elif defined(__LITTLE_ENDIAN)
114 u16 reserved0;
115 u8 reserved1;
116 u8 op_code;
117#endif
118 u32 reserved2[3];
119#if defined(__BIG_ENDIAN)
120 u16 reserved3;
121 u16 itt;
122#define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0)
123#define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0
124#define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14)
125#define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14
126#elif defined(__LITTLE_ENDIAN)
127 u16 itt;
128#define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0)
129#define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0
130#define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14)
131#define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14
132 u16 reserved3;
133#endif
134 u32 reserved4[10];
135#if defined(__BIG_ENDIAN)
136 u8 cq_index;
137 u8 reserved6;
138 u16 reserved5;
139#elif defined(__LITTLE_ENDIAN)
140 u16 reserved5;
141 u8 reserved6;
142 u8 cq_index;
143#endif
144};
145
146
147/*
148 * iSCSI Cleanup CQE
149 */
150struct bnx2i_cleanup_response {
151#if defined(__BIG_ENDIAN)
152 u8 op_code;
153 u8 status;
154 u16 reserved0;
155#elif defined(__LITTLE_ENDIAN)
156 u16 reserved0;
157 u8 status;
158 u8 op_code;
159#endif
160 u32 reserved1[3];
161 u32 reserved2[2];
162#if defined(__BIG_ENDIAN)
163 u16 reserved4;
164 u8 err_code;
165 u8 reserved3;
166#elif defined(__LITTLE_ENDIAN)
167 u8 reserved3;
168 u8 err_code;
169 u16 reserved4;
170#endif
171 u32 reserved5[7];
172#if defined(__BIG_ENDIAN)
173 u16 reserved6;
174 u16 itt;
175#define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0)
176#define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0
177#define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14)
178#define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14
179#elif defined(__LITTLE_ENDIAN)
180 u16 itt;
181#define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0)
182#define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0
183#define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14)
184#define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14
185 u16 reserved6;
186#endif
187 u32 cq_req_sn;
188};
189
190
191/*
192 * SCSI read/write SQ WQE
193 */
194struct bnx2i_cmd_request {
195#if defined(__BIG_ENDIAN)
196 u8 op_code;
197 u8 op_attr;
198#define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0)
199#define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0
200#define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3)
201#define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3
202#define ISCSI_CMD_REQUEST_WRITE (0x1<<5)
203#define ISCSI_CMD_REQUEST_WRITE_SHIFT 5
204#define ISCSI_CMD_REQUEST_READ (0x1<<6)
205#define ISCSI_CMD_REQUEST_READ_SHIFT 6
206#define ISCSI_CMD_REQUEST_FINAL (0x1<<7)
207#define ISCSI_CMD_REQUEST_FINAL_SHIFT 7
208 u16 reserved0;
209#elif defined(__LITTLE_ENDIAN)
210 u16 reserved0;
211 u8 op_attr;
212#define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0)
213#define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0
214#define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3)
215#define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3
216#define ISCSI_CMD_REQUEST_WRITE (0x1<<5)
217#define ISCSI_CMD_REQUEST_WRITE_SHIFT 5
218#define ISCSI_CMD_REQUEST_READ (0x1<<6)
219#define ISCSI_CMD_REQUEST_READ_SHIFT 6
220#define ISCSI_CMD_REQUEST_FINAL (0x1<<7)
221#define ISCSI_CMD_REQUEST_FINAL_SHIFT 7
222 u8 op_code;
223#endif
224#if defined(__BIG_ENDIAN)
225 u16 ud_buffer_offset;
226 u16 sd_buffer_offset;
227#elif defined(__LITTLE_ENDIAN)
228 u16 sd_buffer_offset;
229 u16 ud_buffer_offset;
230#endif
231 u32 lun[2];
232#if defined(__BIG_ENDIAN)
233 u16 reserved2;
234 u16 itt;
235#define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0)
236#define ISCSI_CMD_REQUEST_INDEX_SHIFT 0
237#define ISCSI_CMD_REQUEST_TYPE (0x3<<14)
238#define ISCSI_CMD_REQUEST_TYPE_SHIFT 14
239#elif defined(__LITTLE_ENDIAN)
240 u16 itt;
241#define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0)
242#define ISCSI_CMD_REQUEST_INDEX_SHIFT 0
243#define ISCSI_CMD_REQUEST_TYPE (0x3<<14)
244#define ISCSI_CMD_REQUEST_TYPE_SHIFT 14
245 u16 reserved2;
246#endif
247 u32 total_data_transfer_length;
248 u32 cmd_sn;
249 u32 reserved3;
250 u32 cdb[4];
251 u32 zero_fill;
252 u32 bd_list_addr_lo;
253 u32 bd_list_addr_hi;
254#if defined(__BIG_ENDIAN)
255 u8 cq_index;
256 u8 sd_start_bd_index;
257 u8 ud_start_bd_index;
258 u8 num_bds;
259#elif defined(__LITTLE_ENDIAN)
260 u8 num_bds;
261 u8 ud_start_bd_index;
262 u8 sd_start_bd_index;
263 u8 cq_index;
264#endif
265};
266
267
268/*
269 * task statistics for write response
270 */
271struct bnx2i_write_resp_task_stat {
Barak Witkowski2e499d32012-06-26 01:31:19 +0000[diff] [blame]272#if defined(__BIG_ENDIAN)
273 u16 num_r2ts;
274 u16 num_data_outs;
275#elif defined(__LITTLE_ENDIAN)
276 u16 num_data_outs;
277 u16 num_r2ts;
278#endif
Michael Chancf4e6362009-06-08 18:14:44 -0700[diff] [blame]279};
280
281/*
282 * task statistics for read response
283 */
284struct bnx2i_read_resp_task_stat {
285#if defined(__BIG_ENDIAN)
Barak Witkowski2e499d32012-06-26 01:31:19 +0000[diff] [blame]286 u16 reserved;
287 u16 num_data_ins;
Michael Chancf4e6362009-06-08 18:14:44 -0700[diff] [blame]288#elif defined(__LITTLE_ENDIAN)
Barak Witkowski2e499d32012-06-26 01:31:19 +0000[diff] [blame]289 u16 num_data_ins;
290 u16 reserved;
Michael Chancf4e6362009-06-08 18:14:44 -0700[diff] [blame]291#endif
292};
293
294/*
295 * task statistics for iSCSI cmd response
296 */
297union bnx2i_cmd_resp_task_stat {
298 struct bnx2i_write_resp_task_stat write_stat;
299 struct bnx2i_read_resp_task_stat read_stat;
300};
301
302/*
303 * SCSI Command CQE
304 */
305struct bnx2i_cmd_response {
306#if defined(__BIG_ENDIAN)
307 u8 op_code;
308 u8 response_flags;
309#define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
310#define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
311#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
312#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
313#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
314#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
315#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
316#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
317#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
318#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
319#define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
320#define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
321 u8 response;
322 u8 status;
323#elif defined(__LITTLE_ENDIAN)
324 u8 status;
325 u8 response;
326 u8 response_flags;
327#define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
328#define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
329#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
330#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
331#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
332#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
333#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
334#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
335#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
336#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
337#define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
338#define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
339 u8 op_code;
340#endif
341 u32 data_length;
342 u32 exp_cmd_sn;
343 u32 max_cmd_sn;
344 u32 reserved2;
345 u32 residual_count;
346#if defined(__BIG_ENDIAN)
347 u16 reserved4;
348 u8 err_code;
349 u8 reserved3;
350#elif defined(__LITTLE_ENDIAN)
351 u8 reserved3;
352 u8 err_code;
353 u16 reserved4;
354#endif
355 u32 reserved5[5];
356 union bnx2i_cmd_resp_task_stat task_stat;
357 u32 reserved6;
358#if defined(__BIG_ENDIAN)
359 u16 reserved7;
360 u16 itt;
361#define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
362#define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
363#define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
364#define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
365#elif defined(__LITTLE_ENDIAN)
366 u16 itt;
367#define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
368#define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
369#define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
370#define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
371 u16 reserved7;
372#endif
373 u32 cq_req_sn;
374};
375
376
377
378/*
379 * firmware middle-path request SQ WQE
380 */
381struct bnx2i_fw_mp_request {
382#if defined(__BIG_ENDIAN)
383 u8 op_code;
384 u8 op_attr;
385 u16 hdr_opaque1;
386#elif defined(__LITTLE_ENDIAN)
387 u16 hdr_opaque1;
388 u8 op_attr;
389 u8 op_code;
390#endif
391 u32 data_length;
392 u32 hdr_opaque2[2];
393#if defined(__BIG_ENDIAN)
394 u16 reserved0;
395 u16 itt;
396#define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
397#define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
398#define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
399#define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
400#elif defined(__LITTLE_ENDIAN)
401 u16 itt;
402#define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
403#define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
404#define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
405#define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
406 u16 reserved0;
407#endif
408 u32 hdr_opaque3[4];
409 u32 resp_bd_list_addr_lo;
410 u32 resp_bd_list_addr_hi;
411 u32 resp_buffer;
412#define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
413#define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
414#define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS (0xFF<<24)
415#define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS_SHIFT 24
416#if defined(__BIG_ENDIAN)
417 u16 reserved4;
418 u8 reserved3;
419 u8 flags;
420#define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
421#define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
422#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
423#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
424#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
425#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
426#define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
427#define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
428#elif defined(__LITTLE_ENDIAN)
429 u8 flags;
430#define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
431#define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
432#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
433#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
434#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
435#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
436#define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
437#define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
438 u8 reserved3;
439 u16 reserved4;
440#endif
441 u32 bd_list_addr_lo;
442 u32 bd_list_addr_hi;
443#if defined(__BIG_ENDIAN)
444 u8 cq_index;
445 u8 reserved6;
446 u8 reserved5;
447 u8 num_bds;
448#elif defined(__LITTLE_ENDIAN)
449 u8 num_bds;
450 u8 reserved5;
451 u8 reserved6;
452 u8 cq_index;
453#endif
454};
455
456
457/*
458 * firmware response - CQE: used only by firmware
459 */
460struct bnx2i_fw_response {
461 u32 hdr_dword1[2];
462 u32 hdr_exp_cmd_sn;
463 u32 hdr_max_cmd_sn;
464 u32 hdr_ttt;
465 u32 hdr_res_cnt;
466 u32 cqe_flags;
467#define ISCSI_FW_RESPONSE_RESERVED2 (0xFF<<0)
468#define ISCSI_FW_RESPONSE_RESERVED2_SHIFT 0
469#define ISCSI_FW_RESPONSE_ERR_CODE (0xFF<<8)
470#define ISCSI_FW_RESPONSE_ERR_CODE_SHIFT 8
471#define ISCSI_FW_RESPONSE_RESERVED3 (0xFFFF<<16)
472#define ISCSI_FW_RESPONSE_RESERVED3_SHIFT 16
473 u32 stat_sn;
474 u32 hdr_dword2[2];
475 u32 hdr_dword3[2];
476 u32 task_stat;
477 u32 reserved0;
478 u32 hdr_itt;
479 u32 cq_req_sn;
480};
481
482
483/*
484 * iSCSI KCQ CQE parameters
485 */
486union iscsi_kcqe_params {
487 u32 reserved0[4];
488};
489
490/*
491 * iSCSI KCQ CQE
492 */
493struct iscsi_kcqe {
494 u32 iscsi_conn_id;
495 u32 completion_status;
496 u32 iscsi_conn_context_id;
497 union iscsi_kcqe_params params;
498#if defined(__BIG_ENDIAN)
499 u8 flags;
500#define ISCSI_KCQE_RESERVED0 (0xF<<0)
501#define ISCSI_KCQE_RESERVED0_SHIFT 0
502#define ISCSI_KCQE_LAYER_CODE (0x7<<4)
503#define ISCSI_KCQE_LAYER_CODE_SHIFT 4
504#define ISCSI_KCQE_RESERVED1 (0x1<<7)
505#define ISCSI_KCQE_RESERVED1_SHIFT 7
506 u8 op_code;
507 u16 qe_self_seq;
508#elif defined(__LITTLE_ENDIAN)
509 u16 qe_self_seq;
510 u8 op_code;
511 u8 flags;
512#define ISCSI_KCQE_RESERVED0 (0xF<<0)
513#define ISCSI_KCQE_RESERVED0_SHIFT 0
514#define ISCSI_KCQE_LAYER_CODE (0x7<<4)
515#define ISCSI_KCQE_LAYER_CODE_SHIFT 4
516#define ISCSI_KCQE_RESERVED1 (0x1<<7)
517#define ISCSI_KCQE_RESERVED1_SHIFT 7
518#endif
519};
520
521
522
523/*
524 * iSCSI KWQE header
525 */
526struct iscsi_kwqe_header {
527#if defined(__BIG_ENDIAN)
528 u8 flags;
529#define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
530#define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
531#define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
532#define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
533#define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
534#define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
535 u8 op_code;
536#elif defined(__LITTLE_ENDIAN)
537 u8 op_code;
538 u8 flags;
539#define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
540#define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
541#define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
542#define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
543#define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
544#define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
545#endif
546};
547
548/*
549 * iSCSI firmware init request 1
550 */
551struct iscsi_kwqe_init1 {
552#if defined(__BIG_ENDIAN)
553 struct iscsi_kwqe_header hdr;
554 u8 reserved0;
555 u8 num_cqs;
556#elif defined(__LITTLE_ENDIAN)
557 u8 num_cqs;
558 u8 reserved0;
559 struct iscsi_kwqe_header hdr;
560#endif
561 u32 dummy_buffer_addr_lo;
562 u32 dummy_buffer_addr_hi;
563#if defined(__BIG_ENDIAN)
564 u16 num_ccells_per_conn;
565 u16 num_tasks_per_conn;
566#elif defined(__LITTLE_ENDIAN)
567 u16 num_tasks_per_conn;
568 u16 num_ccells_per_conn;
569#endif
570#if defined(__BIG_ENDIAN)
571 u16 sq_wqes_per_page;
572 u16 sq_num_wqes;
573#elif defined(__LITTLE_ENDIAN)
574 u16 sq_num_wqes;
575 u16 sq_wqes_per_page;
576#endif
577#if defined(__BIG_ENDIAN)
578 u8 cq_log_wqes_per_page;
579 u8 flags;
580#define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
581#define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
582#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
583#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
584#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
585#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
Eddie Waib3bd2d62013-07-28 19:03:58 -0700[diff] [blame]586#define ISCSI_KWQE_INIT1_TIME_STAMPS_ENABLE (0x1<<6)
587#define ISCSI_KWQE_INIT1_TIME_STAMPS_ENABLE_SHIFT 6
588#define ISCSI_KWQE_INIT1_RESERVED1 (0x1<<7)
589#define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 7
Michael Chancf4e6362009-06-08 18:14:44 -0700[diff] [blame]590 u16 cq_num_wqes;
591#elif defined(__LITTLE_ENDIAN)
592 u16 cq_num_wqes;
593 u8 flags;
594#define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
595#define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
596#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
597#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
598#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
599#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
Eddie Waib3bd2d62013-07-28 19:03:58 -0700[diff] [blame]600#define ISCSI_KWQE_INIT1_TIME_STAMPS_ENABLE (0x1<<6)
601#define ISCSI_KWQE_INIT1_TIME_STAMPS_ENABLE_SHIFT 6
602#define ISCSI_KWQE_INIT1_RESERVED1 (0x1<<7)
603#define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 7
Michael Chancf4e6362009-06-08 18:14:44 -0700[diff] [blame]604 u8 cq_log_wqes_per_page;
605#endif
606#if defined(__BIG_ENDIAN)
607 u16 cq_num_pages;
608 u16 sq_num_pages;
609#elif defined(__LITTLE_ENDIAN)
610 u16 sq_num_pages;
611 u16 cq_num_pages;
612#endif
613#if defined(__BIG_ENDIAN)
614 u16 rq_buffer_size;
615 u16 rq_num_wqes;
616#elif defined(__LITTLE_ENDIAN)
617 u16 rq_num_wqes;
618 u16 rq_buffer_size;
619#endif
620};
621
622/*
623 * iSCSI firmware init request 2
624 */
625struct iscsi_kwqe_init2 {
626#if defined(__BIG_ENDIAN)
627 struct iscsi_kwqe_header hdr;
628 u16 max_cq_sqn;
629#elif defined(__LITTLE_ENDIAN)
630 u16 max_cq_sqn;
631 struct iscsi_kwqe_header hdr;
632#endif
633 u32 error_bit_map[2];
634 u32 reserved1[5];
635};
636
637/*
638 * Initial iSCSI connection offload request 1
639 */
640struct iscsi_kwqe_conn_offload1 {
641#if defined(__BIG_ENDIAN)
642 struct iscsi_kwqe_header hdr;
643 u16 iscsi_conn_id;
644#elif defined(__LITTLE_ENDIAN)
645 u16 iscsi_conn_id;
646 struct iscsi_kwqe_header hdr;
647#endif
648 u32 sq_page_table_addr_lo;
649 u32 sq_page_table_addr_hi;
650 u32 cq_page_table_addr_lo;
651 u32 cq_page_table_addr_hi;
652 u32 reserved0[3];
653};
654
655/*
656 * iSCSI Page Table Entry (PTE)
657 */
658struct iscsi_pte {
659 u32 hi;
660 u32 lo;
661};
662
663/*
664 * Initial iSCSI connection offload request 2
665 */
666struct iscsi_kwqe_conn_offload2 {
667#if defined(__BIG_ENDIAN)
668 struct iscsi_kwqe_header hdr;
669 u16 reserved0;
670#elif defined(__LITTLE_ENDIAN)
671 u16 reserved0;
672 struct iscsi_kwqe_header hdr;
673#endif
674 u32 rq_page_table_addr_lo;
675 u32 rq_page_table_addr_hi;
676 struct iscsi_pte sq_first_pte;
677 struct iscsi_pte cq_first_pte;
678 u32 num_additional_wqes;
679};
680
681
682/*
683 * Initial iSCSI connection offload request 3
684 */
685struct iscsi_kwqe_conn_offload3 {
686#if defined(__BIG_ENDIAN)
687 struct iscsi_kwqe_header hdr;
688 u16 reserved0;
689#elif defined(__LITTLE_ENDIAN)
690 u16 reserved0;
691 struct iscsi_kwqe_header hdr;
692#endif
693 u32 reserved1;
694 struct iscsi_pte qp_first_pte[3];
695};
696
697
698/*
699 * iSCSI connection update request
700 */
701struct iscsi_kwqe_conn_update {
702#if defined(__BIG_ENDIAN)
703 struct iscsi_kwqe_header hdr;
704 u16 reserved0;
705#elif defined(__LITTLE_ENDIAN)
706 u16 reserved0;
707 struct iscsi_kwqe_header hdr;
708#endif
709#if defined(__BIG_ENDIAN)
710 u8 session_error_recovery_level;
711 u8 max_outstanding_r2ts;
712 u8 reserved2;
713 u8 conn_flags;
714#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
715#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
716#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
717#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
718#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
719#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
720#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
721#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300[diff] [blame]722#define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE (0x3<<4)
723#define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE_SHIFT 4
724#define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0x3<<6)
725#define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 6
Michael Chancf4e6362009-06-08 18:14:44 -0700[diff] [blame]726#elif defined(__LITTLE_ENDIAN)
727 u8 conn_flags;
728#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
729#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
730#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
731#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
732#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
733#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
734#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
735#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300[diff] [blame]736#define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE (0x3<<4)
737#define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE_SHIFT 4
738#define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0x3<<6)
739#define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 6
Michael Chancf4e6362009-06-08 18:14:44 -0700[diff] [blame]740 u8 reserved2;
741 u8 max_outstanding_r2ts;
742 u8 session_error_recovery_level;
743#endif
744 u32 context_id;
745 u32 max_send_pdu_length;
746 u32 max_recv_pdu_length;
747 u32 first_burst_length;
748 u32 max_burst_length;
749 u32 exp_stat_sn;
750};
751
752/*
753 * iSCSI destroy connection request
754 */
755struct iscsi_kwqe_conn_destroy {
756#if defined(__BIG_ENDIAN)
757 struct iscsi_kwqe_header hdr;
758 u16 reserved0;
759#elif defined(__LITTLE_ENDIAN)
760 u16 reserved0;
761 struct iscsi_kwqe_header hdr;
762#endif
763 u32 context_id;
764 u32 reserved1[6];
765};
766
767/*
768 * iSCSI KWQ WQE
769 */
770union iscsi_kwqe {
771 struct iscsi_kwqe_init1 init1;
772 struct iscsi_kwqe_init2 init2;
773 struct iscsi_kwqe_conn_offload1 conn_offload1;
774 struct iscsi_kwqe_conn_offload2 conn_offload2;
775 struct iscsi_kwqe_conn_update conn_update;
776 struct iscsi_kwqe_conn_destroy conn_destroy;
777};
778
779/*
780 * iSCSI Login SQ WQE
781 */
782struct bnx2i_login_request {
783#if defined(__BIG_ENDIAN)
784 u8 op_code;
785 u8 op_attr;
786#define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
787#define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
788#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
789#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
790#define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
791#define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
792#define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
793#define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
794#define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
795#define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
796 u8 version_max;
797 u8 version_min;
798#elif defined(__LITTLE_ENDIAN)
799 u8 version_min;
800 u8 version_max;
801 u8 op_attr;
802#define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
803#define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
804#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
805#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
806#define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
807#define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
808#define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
809#define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
810#define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
811#define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
812 u8 op_code;
813#endif
814 u32 data_length;
815 u32 isid_lo;
816#if defined(__BIG_ENDIAN)
817 u16 isid_hi;
818 u16 tsih;
819#elif defined(__LITTLE_ENDIAN)
820 u16 tsih;
821 u16 isid_hi;
822#endif
823#if defined(__BIG_ENDIAN)
824 u16 reserved2;
825 u16 itt;
826#define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
827#define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
828#define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
829#define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
830#elif defined(__LITTLE_ENDIAN)
831 u16 itt;
832#define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
833#define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
834#define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
835#define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
836 u16 reserved2;
837#endif
838#if defined(__BIG_ENDIAN)
839 u16 cid;
840 u16 reserved3;
841#elif defined(__LITTLE_ENDIAN)
842 u16 reserved3;
843 u16 cid;
844#endif
845 u32 cmd_sn;
846 u32 exp_stat_sn;
847 u32 reserved4;
848 u32 resp_bd_list_addr_lo;
849 u32 resp_bd_list_addr_hi;
850 u32 resp_buffer;
851#define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
852#define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
853#define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS (0xFF<<24)
854#define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS_SHIFT 24
855#if defined(__BIG_ENDIAN)
856 u16 reserved8;
857 u8 reserved7;
858 u8 flags;
859#define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
860#define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
861#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
862#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
863#define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
864#define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
865#elif defined(__LITTLE_ENDIAN)
866 u8 flags;
867#define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
868#define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
869#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
870#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
871#define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
872#define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
873 u8 reserved7;
874 u16 reserved8;
875#endif
876 u32 bd_list_addr_lo;
877 u32 bd_list_addr_hi;
878#if defined(__BIG_ENDIAN)
879 u8 cq_index;
880 u8 reserved10;
881 u8 reserved9;
882 u8 num_bds;
883#elif defined(__LITTLE_ENDIAN)
884 u8 num_bds;
885 u8 reserved9;
886 u8 reserved10;
887 u8 cq_index;
888#endif
889};
890
891
892/*
893 * iSCSI Login CQE
894 */
895struct bnx2i_login_response {
896#if defined(__BIG_ENDIAN)
897 u8 op_code;
898 u8 response_flags;
899#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
900#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
901#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
902#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
903#define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
904#define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
905#define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
906#define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
907#define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
908#define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
909 u8 version_max;
910 u8 version_active;
911#elif defined(__LITTLE_ENDIAN)
912 u8 version_active;
913 u8 version_max;
914 u8 response_flags;
915#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
916#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
917#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
918#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
919#define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
920#define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
921#define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
922#define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
923#define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
924#define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
925 u8 op_code;
926#endif
927 u32 data_length;
928 u32 exp_cmd_sn;
929 u32 max_cmd_sn;
930 u32 reserved1[2];
931#if defined(__BIG_ENDIAN)
932 u16 reserved3;
933 u8 err_code;
934 u8 reserved2;
935#elif defined(__LITTLE_ENDIAN)
936 u8 reserved2;
937 u8 err_code;
938 u16 reserved3;
939#endif
940 u32 stat_sn;
941 u32 isid_lo;
942#if defined(__BIG_ENDIAN)
943 u16 isid_hi;
944 u16 tsih;
945#elif defined(__LITTLE_ENDIAN)
946 u16 tsih;
947 u16 isid_hi;
948#endif
949#if defined(__BIG_ENDIAN)
950 u8 status_class;
951 u8 status_detail;
952 u16 reserved4;
953#elif defined(__LITTLE_ENDIAN)
954 u16 reserved4;
955 u8 status_detail;
956 u8 status_class;
957#endif
958 u32 reserved5[3];
959#if defined(__BIG_ENDIAN)
960 u16 reserved6;
961 u16 itt;
962#define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
963#define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
964#define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
965#define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
966#elif defined(__LITTLE_ENDIAN)
967 u16 itt;
968#define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
969#define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
970#define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
971#define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
972 u16 reserved6;
973#endif
974 u32 cq_req_sn;
975};
976
977
978/*
979 * iSCSI Logout SQ WQE
980 */
981struct bnx2i_logout_request {
982#if defined(__BIG_ENDIAN)
983 u8 op_code;
984 u8 op_attr;
985#define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
986#define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
987#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
988#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
989 u16 reserved0;
990#elif defined(__LITTLE_ENDIAN)
991 u16 reserved0;
992 u8 op_attr;
993#define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
994#define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
995#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
996#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
997 u8 op_code;
998#endif
999 u32 data_length;
1000 u32 reserved1[2];
1001#if defined(__BIG_ENDIAN)
1002 u16 reserved2;
1003 u16 itt;
1004#define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
1005#define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
1006#define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
1007#define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
1008#elif defined(__LITTLE_ENDIAN)
1009 u16 itt;
1010#define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
1011#define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
1012#define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
1013#define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
1014 u16 reserved2;
1015#endif
1016#if defined(__BIG_ENDIAN)
1017 u16 cid;
1018 u16 reserved3;
1019#elif defined(__LITTLE_ENDIAN)
1020 u16 reserved3;
1021 u16 cid;
1022#endif
1023 u32 cmd_sn;
1024 u32 reserved4[5];
1025 u32 zero_fill;
1026 u32 bd_list_addr_lo;
1027 u32 bd_list_addr_hi;
1028#if defined(__BIG_ENDIAN)
1029 u8 cq_index;
1030 u8 reserved6;
1031 u8 reserved5;
1032 u8 num_bds;
1033#elif defined(__LITTLE_ENDIAN)
1034 u8 num_bds;
1035 u8 reserved5;
1036 u8 reserved6;
1037 u8 cq_index;
1038#endif
1039};
1040
1041
1042/*
1043 * iSCSI Logout CQE
1044 */
1045struct bnx2i_logout_response {
1046#if defined(__BIG_ENDIAN)
1047 u8 op_code;
1048 u8 reserved1;
1049 u8 response;
1050 u8 reserved0;
1051#elif defined(__LITTLE_ENDIAN)
1052 u8 reserved0;
1053 u8 response;
1054 u8 reserved1;
1055 u8 op_code;
1056#endif
1057 u32 reserved2;
1058 u32 exp_cmd_sn;
1059 u32 max_cmd_sn;
1060 u32 reserved3[2];
1061#if defined(__BIG_ENDIAN)
1062 u16 reserved5;
1063 u8 err_code;
1064 u8 reserved4;
1065#elif defined(__LITTLE_ENDIAN)
1066 u8 reserved4;
1067 u8 err_code;
1068 u16 reserved5;
1069#endif
1070 u32 reserved6[3];
1071#if defined(__BIG_ENDIAN)
1072 u16 time_to_wait;
1073 u16 time_to_retain;
1074#elif defined(__LITTLE_ENDIAN)
1075 u16 time_to_retain;
1076 u16 time_to_wait;
1077#endif
1078 u32 reserved7[3];
1079#if defined(__BIG_ENDIAN)
1080 u16 reserved8;
1081 u16 itt;
1082#define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1083#define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1084#define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1085#define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1086#elif defined(__LITTLE_ENDIAN)
1087 u16 itt;
1088#define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1089#define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1090#define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1091#define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1092 u16 reserved8;
1093#endif
1094 u32 cq_req_sn;
1095};
1096
1097
1098/*
1099 * iSCSI Nop-In CQE
1100 */
1101struct bnx2i_nop_in_msg {
1102#if defined(__BIG_ENDIAN)
1103 u8 op_code;
1104 u8 reserved1;
1105 u16 reserved0;
1106#elif defined(__LITTLE_ENDIAN)
1107 u16 reserved0;
1108 u8 reserved1;
1109 u8 op_code;
1110#endif
1111 u32 data_length;
1112 u32 exp_cmd_sn;
1113 u32 max_cmd_sn;
1114 u32 ttt;
1115 u32 reserved2;
1116#if defined(__BIG_ENDIAN)
1117 u16 reserved4;
1118 u8 err_code;
1119 u8 reserved3;
1120#elif defined(__LITTLE_ENDIAN)
1121 u8 reserved3;
1122 u8 err_code;
1123 u16 reserved4;
1124#endif
1125 u32 reserved5;
1126 u32 lun[2];
1127 u32 reserved6[4];
1128#if defined(__BIG_ENDIAN)
1129 u16 reserved7;
1130 u16 itt;
1131#define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1132#define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1133#define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1134#define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1135#elif defined(__LITTLE_ENDIAN)
1136 u16 itt;
1137#define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1138#define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1139#define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1140#define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1141 u16 reserved7;
1142#endif
1143 u32 cq_req_sn;
1144};
1145
1146
1147/*
1148 * iSCSI NOP-OUT SQ WQE
1149 */
1150struct bnx2i_nop_out_request {
1151#if defined(__BIG_ENDIAN)
1152 u8 op_code;
1153 u8 op_attr;
1154#define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1155#define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1156#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1157#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1158 u16 reserved0;
1159#elif defined(__LITTLE_ENDIAN)
1160 u16 reserved0;
1161 u8 op_attr;
1162#define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1163#define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1164#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1165#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1166 u8 op_code;
1167#endif
1168 u32 data_length;
1169 u32 lun[2];
1170#if defined(__BIG_ENDIAN)
1171 u16 reserved2;
1172 u16 itt;
1173#define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1174#define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1175#define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1176#define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1177#elif defined(__LITTLE_ENDIAN)
1178 u16 itt;
1179#define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1180#define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1181#define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1182#define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1183 u16 reserved2;
1184#endif
1185 u32 ttt;
1186 u32 cmd_sn;
1187 u32 reserved3[2];
1188 u32 resp_bd_list_addr_lo;
1189 u32 resp_bd_list_addr_hi;
1190 u32 resp_buffer;
1191#define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1192#define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1193#define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1194#define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS_SHIFT 24
1195#if defined(__BIG_ENDIAN)
1196 u16 reserved7;
1197 u8 reserved6;
1198 u8 flags;
1199#define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1200#define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1201#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1202#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1203#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1204#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1205#elif defined(__LITTLE_ENDIAN)
1206 u8 flags;
1207#define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1208#define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1209#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1210#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1211#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1212#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1213 u8 reserved6;
1214 u16 reserved7;
1215#endif
1216 u32 bd_list_addr_lo;
1217 u32 bd_list_addr_hi;
1218#if defined(__BIG_ENDIAN)
1219 u8 cq_index;
1220 u8 reserved9;
1221 u8 reserved8;
1222 u8 num_bds;
1223#elif defined(__LITTLE_ENDIAN)
1224 u8 num_bds;
1225 u8 reserved8;
1226 u8 reserved9;
1227 u8 cq_index;
1228#endif
1229};
1230
1231/*
1232 * iSCSI Reject CQE
1233 */
1234struct bnx2i_reject_msg {
1235#if defined(__BIG_ENDIAN)
1236 u8 op_code;
1237 u8 reserved1;
1238 u8 reason;
1239 u8 reserved0;
1240#elif defined(__LITTLE_ENDIAN)
1241 u8 reserved0;
1242 u8 reason;
1243 u8 reserved1;
1244 u8 op_code;
1245#endif
1246 u32 data_length;
1247 u32 exp_cmd_sn;
1248 u32 max_cmd_sn;
1249 u32 reserved2[2];
1250#if defined(__BIG_ENDIAN)
1251 u16 reserved4;
1252 u8 err_code;
1253 u8 reserved3;
1254#elif defined(__LITTLE_ENDIAN)
1255 u8 reserved3;
1256 u8 err_code;
1257 u16 reserved4;
1258#endif
1259 u32 reserved5[8];
1260 u32 cq_req_sn;
1261};
1262
1263/*
1264 * bnx2i iSCSI TMF SQ WQE
1265 */
1266struct bnx2i_tmf_request {
1267#if defined(__BIG_ENDIAN)
1268 u8 op_code;
1269 u8 op_attr;
1270#define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1271#define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1272#define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1273#define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1274 u16 reserved0;
1275#elif defined(__LITTLE_ENDIAN)
1276 u16 reserved0;
1277 u8 op_attr;
1278#define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1279#define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1280#define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1281#define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1282 u8 op_code;
1283#endif
1284 u32 data_length;
1285 u32 lun[2];
1286#if defined(__BIG_ENDIAN)
1287 u16 reserved1;
1288 u16 itt;
1289#define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1290#define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1291#define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1292#define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1293#elif defined(__LITTLE_ENDIAN)
1294 u16 itt;
1295#define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1296#define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1297#define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1298#define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1299 u16 reserved1;
1300#endif
1301 u32 ref_itt;
1302 u32 cmd_sn;
1303 u32 reserved2;
1304 u32 ref_cmd_sn;
1305 u32 reserved3[3];
1306 u32 zero_fill;
1307 u32 bd_list_addr_lo;
1308 u32 bd_list_addr_hi;
1309#if defined(__BIG_ENDIAN)
1310 u8 cq_index;
1311 u8 reserved5;
1312 u8 reserved4;
1313 u8 num_bds;
1314#elif defined(__LITTLE_ENDIAN)
1315 u8 num_bds;
1316 u8 reserved4;
1317 u8 reserved5;
1318 u8 cq_index;
1319#endif
1320};
1321
1322/*
1323 * iSCSI Text SQ WQE
1324 */
1325struct bnx2i_text_request {
1326#if defined(__BIG_ENDIAN)
1327 u8 op_code;
1328 u8 op_attr;
1329#define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1330#define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1331#define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1332#define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1333#define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1334#define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1335 u16 reserved0;
1336#elif defined(__LITTLE_ENDIAN)
1337 u16 reserved0;
1338 u8 op_attr;
1339#define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1340#define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1341#define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1342#define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1343#define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1344#define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1345 u8 op_code;
1346#endif
1347 u32 data_length;
1348 u32 lun[2];
1349#if defined(__BIG_ENDIAN)
1350 u16 reserved3;
1351 u16 itt;
1352#define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1353#define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1354#define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1355#define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1356#elif defined(__LITTLE_ENDIAN)
1357 u16 itt;
1358#define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1359#define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1360#define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1361#define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1362 u16 reserved3;
1363#endif
1364 u32 ttt;
1365 u32 cmd_sn;
1366 u32 reserved4[2];
1367 u32 resp_bd_list_addr_lo;
1368 u32 resp_bd_list_addr_hi;
1369 u32 resp_buffer;
1370#define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1371#define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1372#define ISCSI_TEXT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1373#define ISCSI_TEXT_REQUEST_NUM_RESP_BDS_SHIFT 24
1374 u32 zero_fill;
1375 u32 bd_list_addr_lo;
1376 u32 bd_list_addr_hi;
1377#if defined(__BIG_ENDIAN)
1378 u8 cq_index;
1379 u8 reserved7;
1380 u8 reserved6;
1381 u8 num_bds;
1382#elif defined(__LITTLE_ENDIAN)
1383 u8 num_bds;
1384 u8 reserved6;
1385 u8 reserved7;
1386 u8 cq_index;
1387#endif
1388};
1389
1390/*
1391 * iSCSI SQ WQE
1392 */
1393union iscsi_request {
1394 struct bnx2i_cmd_request cmd;
1395 struct bnx2i_tmf_request tmf;
1396 struct bnx2i_nop_out_request nop_out;
1397 struct bnx2i_login_request login_req;
1398 struct bnx2i_text_request text;
1399 struct bnx2i_logout_request logout_req;
1400 struct bnx2i_cleanup_request cleanup;
1401};
1402
1403
1404/*
1405 * iSCSI TMF CQE
1406 */
1407struct bnx2i_tmf_response {
1408#if defined(__BIG_ENDIAN)
1409 u8 op_code;
1410 u8 reserved1;
1411 u8 response;
1412 u8 reserved0;
1413#elif defined(__LITTLE_ENDIAN)
1414 u8 reserved0;
1415 u8 response;
1416 u8 reserved1;
1417 u8 op_code;
1418#endif
1419 u32 reserved2;
1420 u32 exp_cmd_sn;
1421 u32 max_cmd_sn;
1422 u32 reserved3[2];
1423#if defined(__BIG_ENDIAN)
1424 u16 reserved5;
1425 u8 err_code;
1426 u8 reserved4;
1427#elif defined(__LITTLE_ENDIAN)
1428 u8 reserved4;
1429 u8 err_code;
1430 u16 reserved5;
1431#endif
1432 u32 reserved6[7];
1433#if defined(__BIG_ENDIAN)
1434 u16 reserved7;
1435 u16 itt;
1436#define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1437#define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1438#define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1439#define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1440#elif defined(__LITTLE_ENDIAN)
1441 u16 itt;
1442#define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1443#define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1444#define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1445#define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1446 u16 reserved7;
1447#endif
1448 u32 cq_req_sn;
1449};
1450
1451/*
1452 * iSCSI Text CQE
1453 */
1454struct bnx2i_text_response {
1455#if defined(__BIG_ENDIAN)
1456 u8 op_code;
1457 u8 response_flags;
1458#define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1459#define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1460#define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1461#define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1462#define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1463#define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1464 u16 reserved0;
1465#elif defined(__LITTLE_ENDIAN)
1466 u16 reserved0;
1467 u8 response_flags;
1468#define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1469#define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1470#define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1471#define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1472#define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1473#define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1474 u8 op_code;
1475#endif
1476 u32 data_length;
1477 u32 exp_cmd_sn;
1478 u32 max_cmd_sn;
1479 u32 ttt;
1480 u32 reserved2;
1481#if defined(__BIG_ENDIAN)
1482 u16 reserved4;
1483 u8 err_code;
1484 u8 reserved3;
1485#elif defined(__LITTLE_ENDIAN)
1486 u8 reserved3;
1487 u8 err_code;
1488 u16 reserved4;
1489#endif
1490 u32 reserved5;
1491 u32 lun[2];
1492 u32 reserved6[4];
1493#if defined(__BIG_ENDIAN)
1494 u16 reserved7;
1495 u16 itt;
1496#define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1497#define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1498#define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1499#define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1500#elif defined(__LITTLE_ENDIAN)
1501 u16 itt;
1502#define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1503#define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1504#define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1505#define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1506 u16 reserved7;
1507#endif
1508 u32 cq_req_sn;
1509};
1510
1511/*
1512 * iSCSI CQE
1513 */
1514union iscsi_response {
1515 struct bnx2i_cmd_response cmd;
1516 struct bnx2i_tmf_response tmf;
1517 struct bnx2i_login_response login_resp;
1518 struct bnx2i_text_response text;
1519 struct bnx2i_logout_response logout_resp;
1520 struct bnx2i_cleanup_response cleanup;
1521 struct bnx2i_reject_msg reject;
1522 struct bnx2i_async_msg async;
1523 struct bnx2i_nop_in_msg nop_in;
1524};
1525
1526#endif /* __57XX_ISCSI_HSI_LINUX_LE__ */