GNU Linux-libre 5.10.219-gnu1
[releases.git] / drivers / scsi / bnx2i / 57xx_iscsi_hsi.h
1 /* 57xx_iscsi_hsi.h: QLogic NetXtreme II iSCSI HSI.
2  *
3  * Copyright (c) 2006 - 2013 Broadcom Corporation
4  * Copyright (c) 2014, QLogic Corporation
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)
11  * Previously Maintained by: Eddie Wai (eddie.wai@broadcom.com)
12  * Maintained by: QLogic-Storage-Upstream@qlogic.com
13  */
14 #ifndef __57XX_ISCSI_HSI_LINUX_LE__
15 #define __57XX_ISCSI_HSI_LINUX_LE__
16
17 /*
18  * iSCSI Async CQE
19  */
20 struct 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  */
69 struct 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  */
108 struct 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  */
150 struct 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  */
194 struct 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  */
271 struct bnx2i_write_resp_task_stat {
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
279 };
280
281 /*
282  * task statistics for read response
283  */
284 struct bnx2i_read_resp_task_stat {
285 #if defined(__BIG_ENDIAN)
286         u16 reserved;
287         u16 num_data_ins;
288 #elif defined(__LITTLE_ENDIAN)
289         u16 num_data_ins;
290         u16 reserved;
291 #endif
292 };
293
294 /*
295  * task statistics for iSCSI cmd response
296  */
297 union 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  */
305 struct 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  */
381 struct 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  */
460 struct 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  */
486 union iscsi_kcqe_params {
487         u32 reserved0[4];
488 };
489
490 /*
491  * iSCSI KCQ CQE
492  */
493 struct 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  */
526 struct 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  */
551 struct 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
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
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
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
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  */
625 struct 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  */
640 struct 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  */
658 struct iscsi_pte {
659         u32 hi;
660         u32 lo;
661 };
662
663 /*
664  * Initial iSCSI connection offload request 2
665  */
666 struct 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  */
685 struct 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  */
701 struct 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
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
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
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
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  */
755 struct 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  */
770 union 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  */
782 struct 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  */
895 struct 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  */
981 struct 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  */
1045 struct 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  */
1101 struct 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  */
1150 struct 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  */
1234 struct 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  */
1266 struct 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  */
1325 struct 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  */
1393 union 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  */
1407 struct 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  */
1454 struct 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  */
1514 union 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__ */