Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
[linux-2.6.git] / drivers / scsi / bnx2i / 57xx_iscsi_hsi.h
1 /* 57xx_iscsi_hsi.h: Broadcom NetXtreme II iSCSI HSI.
2  *
3  * Copyright (c) 2006 - 2011 Broadcom Corporation
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation.
8  *
9  * Written by: Anil Veerabhadrappa (anilgv@broadcom.com)
10  * Maintained by: Eddie Wai (eddie.wai@broadcom.com)
11  */
12 #ifndef __57XX_ISCSI_HSI_LINUX_LE__
13 #define __57XX_ISCSI_HSI_LINUX_LE__
14
15 /*
16  * iSCSI Async CQE
17  */
18 struct bnx2i_async_msg {
19 #if defined(__BIG_ENDIAN)
20         u8 op_code;
21         u8 reserved1;
22         u16 reserved0;
23 #elif defined(__LITTLE_ENDIAN)
24         u16 reserved0;
25         u8 reserved1;
26         u8 op_code;
27 #endif
28         u32 reserved2;
29         u32 exp_cmd_sn;
30         u32 max_cmd_sn;
31         u32 reserved3[2];
32 #if defined(__BIG_ENDIAN)
33         u16 reserved5;
34         u8 err_code;
35         u8 reserved4;
36 #elif defined(__LITTLE_ENDIAN)
37         u8 reserved4;
38         u8 err_code;
39         u16 reserved5;
40 #endif
41         u32 reserved6;
42         u32 lun[2];
43 #if defined(__BIG_ENDIAN)
44         u8 async_event;
45         u8 async_vcode;
46         u16 param1;
47 #elif defined(__LITTLE_ENDIAN)
48         u16 param1;
49         u8 async_vcode;
50         u8 async_event;
51 #endif
52 #if defined(__BIG_ENDIAN)
53         u16 param2;
54         u16 param3;
55 #elif defined(__LITTLE_ENDIAN)
56         u16 param3;
57         u16 param2;
58 #endif
59         u32 reserved7[3];
60         u32 cq_req_sn;
61 };
62
63
64 /*
65  * iSCSI Buffer Descriptor (BD)
66  */
67 struct iscsi_bd {
68         u32 buffer_addr_hi;
69         u32 buffer_addr_lo;
70 #if defined(__BIG_ENDIAN)
71         u16 reserved0;
72         u16 buffer_length;
73 #elif defined(__LITTLE_ENDIAN)
74         u16 buffer_length;
75         u16 reserved0;
76 #endif
77 #if defined(__BIG_ENDIAN)
78         u16 reserved3;
79         u16 flags;
80 #define ISCSI_BD_RESERVED1 (0x3F<<0)
81 #define ISCSI_BD_RESERVED1_SHIFT 0
82 #define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6)
83 #define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6
84 #define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7)
85 #define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7
86 #define ISCSI_BD_RESERVED2 (0xFF<<8)
87 #define ISCSI_BD_RESERVED2_SHIFT 8
88 #elif defined(__LITTLE_ENDIAN)
89         u16 flags;
90 #define ISCSI_BD_RESERVED1 (0x3F<<0)
91 #define ISCSI_BD_RESERVED1_SHIFT 0
92 #define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6)
93 #define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6
94 #define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7)
95 #define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7
96 #define ISCSI_BD_RESERVED2 (0xFF<<8)
97 #define ISCSI_BD_RESERVED2_SHIFT 8
98         u16 reserved3;
99 #endif
100 };
101
102
103 /*
104  * iSCSI Cleanup SQ WQE
105  */
106 struct bnx2i_cleanup_request {
107 #if defined(__BIG_ENDIAN)
108         u8 op_code;
109         u8 reserved1;
110         u16 reserved0;
111 #elif defined(__LITTLE_ENDIAN)
112         u16 reserved0;
113         u8 reserved1;
114         u8 op_code;
115 #endif
116         u32 reserved2[3];
117 #if defined(__BIG_ENDIAN)
118         u16 reserved3;
119         u16 itt;
120 #define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0)
121 #define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0
122 #define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14)
123 #define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14
124 #elif defined(__LITTLE_ENDIAN)
125         u16 itt;
126 #define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0)
127 #define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0
128 #define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14)
129 #define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14
130         u16 reserved3;
131 #endif
132         u32 reserved4[10];
133 #if defined(__BIG_ENDIAN)
134         u8 cq_index;
135         u8 reserved6;
136         u16 reserved5;
137 #elif defined(__LITTLE_ENDIAN)
138         u16 reserved5;
139         u8 reserved6;
140         u8 cq_index;
141 #endif
142 };
143
144
145 /*
146  * iSCSI Cleanup CQE
147  */
148 struct bnx2i_cleanup_response {
149 #if defined(__BIG_ENDIAN)
150         u8 op_code;
151         u8 status;
152         u16 reserved0;
153 #elif defined(__LITTLE_ENDIAN)
154         u16 reserved0;
155         u8 status;
156         u8 op_code;
157 #endif
158         u32 reserved1[3];
159         u32 reserved2[2];
160 #if defined(__BIG_ENDIAN)
161         u16 reserved4;
162         u8 err_code;
163         u8 reserved3;
164 #elif defined(__LITTLE_ENDIAN)
165         u8 reserved3;
166         u8 err_code;
167         u16 reserved4;
168 #endif
169         u32 reserved5[7];
170 #if defined(__BIG_ENDIAN)
171         u16 reserved6;
172         u16 itt;
173 #define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0)
174 #define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0
175 #define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14)
176 #define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14
177 #elif defined(__LITTLE_ENDIAN)
178         u16 itt;
179 #define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0)
180 #define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0
181 #define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14)
182 #define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14
183         u16 reserved6;
184 #endif
185         u32 cq_req_sn;
186 };
187
188
189 /*
190  * SCSI read/write SQ WQE
191  */
192 struct bnx2i_cmd_request {
193 #if defined(__BIG_ENDIAN)
194         u8 op_code;
195         u8 op_attr;
196 #define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0)
197 #define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0
198 #define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3)
199 #define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3
200 #define ISCSI_CMD_REQUEST_WRITE (0x1<<5)
201 #define ISCSI_CMD_REQUEST_WRITE_SHIFT 5
202 #define ISCSI_CMD_REQUEST_READ (0x1<<6)
203 #define ISCSI_CMD_REQUEST_READ_SHIFT 6
204 #define ISCSI_CMD_REQUEST_FINAL (0x1<<7)
205 #define ISCSI_CMD_REQUEST_FINAL_SHIFT 7
206         u16 reserved0;
207 #elif defined(__LITTLE_ENDIAN)
208         u16 reserved0;
209         u8 op_attr;
210 #define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0)
211 #define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0
212 #define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3)
213 #define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3
214 #define ISCSI_CMD_REQUEST_WRITE (0x1<<5)
215 #define ISCSI_CMD_REQUEST_WRITE_SHIFT 5
216 #define ISCSI_CMD_REQUEST_READ (0x1<<6)
217 #define ISCSI_CMD_REQUEST_READ_SHIFT 6
218 #define ISCSI_CMD_REQUEST_FINAL (0x1<<7)
219 #define ISCSI_CMD_REQUEST_FINAL_SHIFT 7
220         u8 op_code;
221 #endif
222 #if defined(__BIG_ENDIAN)
223         u16 ud_buffer_offset;
224         u16 sd_buffer_offset;
225 #elif defined(__LITTLE_ENDIAN)
226         u16 sd_buffer_offset;
227         u16 ud_buffer_offset;
228 #endif
229         u32 lun[2];
230 #if defined(__BIG_ENDIAN)
231         u16 reserved2;
232         u16 itt;
233 #define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0)
234 #define ISCSI_CMD_REQUEST_INDEX_SHIFT 0
235 #define ISCSI_CMD_REQUEST_TYPE (0x3<<14)
236 #define ISCSI_CMD_REQUEST_TYPE_SHIFT 14
237 #elif defined(__LITTLE_ENDIAN)
238         u16 itt;
239 #define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0)
240 #define ISCSI_CMD_REQUEST_INDEX_SHIFT 0
241 #define ISCSI_CMD_REQUEST_TYPE (0x3<<14)
242 #define ISCSI_CMD_REQUEST_TYPE_SHIFT 14
243         u16 reserved2;
244 #endif
245         u32 total_data_transfer_length;
246         u32 cmd_sn;
247         u32 reserved3;
248         u32 cdb[4];
249         u32 zero_fill;
250         u32 bd_list_addr_lo;
251         u32 bd_list_addr_hi;
252 #if defined(__BIG_ENDIAN)
253         u8 cq_index;
254         u8 sd_start_bd_index;
255         u8 ud_start_bd_index;
256         u8 num_bds;
257 #elif defined(__LITTLE_ENDIAN)
258         u8 num_bds;
259         u8 ud_start_bd_index;
260         u8 sd_start_bd_index;
261         u8 cq_index;
262 #endif
263 };
264
265
266 /*
267  * task statistics for write response
268  */
269 struct bnx2i_write_resp_task_stat {
270         u32 num_data_ins;
271 };
272
273 /*
274  * task statistics for read response
275  */
276 struct bnx2i_read_resp_task_stat {
277 #if defined(__BIG_ENDIAN)
278         u16 num_data_outs;
279         u16 num_r2ts;
280 #elif defined(__LITTLE_ENDIAN)
281         u16 num_r2ts;
282         u16 num_data_outs;
283 #endif
284 };
285
286 /*
287  * task statistics for iSCSI cmd response
288  */
289 union bnx2i_cmd_resp_task_stat {
290         struct bnx2i_write_resp_task_stat write_stat;
291         struct bnx2i_read_resp_task_stat read_stat;
292 };
293
294 /*
295  * SCSI Command CQE
296  */
297 struct bnx2i_cmd_response {
298 #if defined(__BIG_ENDIAN)
299         u8 op_code;
300         u8 response_flags;
301 #define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
302 #define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
303 #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
304 #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
305 #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
306 #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
307 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
308 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
309 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
310 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
311 #define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
312 #define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
313         u8 response;
314         u8 status;
315 #elif defined(__LITTLE_ENDIAN)
316         u8 status;
317         u8 response;
318         u8 response_flags;
319 #define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
320 #define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
321 #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
322 #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
323 #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
324 #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
325 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
326 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
327 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
328 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
329 #define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
330 #define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
331         u8 op_code;
332 #endif
333         u32 data_length;
334         u32 exp_cmd_sn;
335         u32 max_cmd_sn;
336         u32 reserved2;
337         u32 residual_count;
338 #if defined(__BIG_ENDIAN)
339         u16 reserved4;
340         u8 err_code;
341         u8 reserved3;
342 #elif defined(__LITTLE_ENDIAN)
343         u8 reserved3;
344         u8 err_code;
345         u16 reserved4;
346 #endif
347         u32 reserved5[5];
348         union bnx2i_cmd_resp_task_stat task_stat;
349         u32 reserved6;
350 #if defined(__BIG_ENDIAN)
351         u16 reserved7;
352         u16 itt;
353 #define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
354 #define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
355 #define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
356 #define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
357 #elif defined(__LITTLE_ENDIAN)
358         u16 itt;
359 #define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
360 #define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
361 #define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
362 #define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
363         u16 reserved7;
364 #endif
365         u32 cq_req_sn;
366 };
367
368
369
370 /*
371  * firmware middle-path request SQ WQE
372  */
373 struct bnx2i_fw_mp_request {
374 #if defined(__BIG_ENDIAN)
375         u8 op_code;
376         u8 op_attr;
377         u16 hdr_opaque1;
378 #elif defined(__LITTLE_ENDIAN)
379         u16 hdr_opaque1;
380         u8 op_attr;
381         u8 op_code;
382 #endif
383         u32 data_length;
384         u32 hdr_opaque2[2];
385 #if defined(__BIG_ENDIAN)
386         u16 reserved0;
387         u16 itt;
388 #define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
389 #define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
390 #define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
391 #define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
392 #elif defined(__LITTLE_ENDIAN)
393         u16 itt;
394 #define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
395 #define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
396 #define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
397 #define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
398         u16 reserved0;
399 #endif
400         u32 hdr_opaque3[4];
401         u32 resp_bd_list_addr_lo;
402         u32 resp_bd_list_addr_hi;
403         u32 resp_buffer;
404 #define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
405 #define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
406 #define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS (0xFF<<24)
407 #define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS_SHIFT 24
408 #if defined(__BIG_ENDIAN)
409         u16 reserved4;
410         u8 reserved3;
411         u8 flags;
412 #define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
413 #define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
414 #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
415 #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
416 #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
417 #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
418 #define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
419 #define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
420 #elif defined(__LITTLE_ENDIAN)
421         u8 flags;
422 #define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
423 #define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
424 #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
425 #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
426 #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
427 #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
428 #define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
429 #define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
430         u8 reserved3;
431         u16 reserved4;
432 #endif
433         u32 bd_list_addr_lo;
434         u32 bd_list_addr_hi;
435 #if defined(__BIG_ENDIAN)
436         u8 cq_index;
437         u8 reserved6;
438         u8 reserved5;
439         u8 num_bds;
440 #elif defined(__LITTLE_ENDIAN)
441         u8 num_bds;
442         u8 reserved5;
443         u8 reserved6;
444         u8 cq_index;
445 #endif
446 };
447
448
449 /*
450  * firmware response - CQE: used only by firmware
451  */
452 struct bnx2i_fw_response {
453         u32 hdr_dword1[2];
454         u32 hdr_exp_cmd_sn;
455         u32 hdr_max_cmd_sn;
456         u32 hdr_ttt;
457         u32 hdr_res_cnt;
458         u32 cqe_flags;
459 #define ISCSI_FW_RESPONSE_RESERVED2 (0xFF<<0)
460 #define ISCSI_FW_RESPONSE_RESERVED2_SHIFT 0
461 #define ISCSI_FW_RESPONSE_ERR_CODE (0xFF<<8)
462 #define ISCSI_FW_RESPONSE_ERR_CODE_SHIFT 8
463 #define ISCSI_FW_RESPONSE_RESERVED3 (0xFFFF<<16)
464 #define ISCSI_FW_RESPONSE_RESERVED3_SHIFT 16
465         u32 stat_sn;
466         u32 hdr_dword2[2];
467         u32 hdr_dword3[2];
468         u32 task_stat;
469         u32 reserved0;
470         u32 hdr_itt;
471         u32 cq_req_sn;
472 };
473
474
475 /*
476  * iSCSI KCQ CQE parameters
477  */
478 union iscsi_kcqe_params {
479         u32 reserved0[4];
480 };
481
482 /*
483  * iSCSI KCQ CQE
484  */
485 struct iscsi_kcqe {
486         u32 iscsi_conn_id;
487         u32 completion_status;
488         u32 iscsi_conn_context_id;
489         union iscsi_kcqe_params params;
490 #if defined(__BIG_ENDIAN)
491         u8 flags;
492 #define ISCSI_KCQE_RESERVED0 (0xF<<0)
493 #define ISCSI_KCQE_RESERVED0_SHIFT 0
494 #define ISCSI_KCQE_LAYER_CODE (0x7<<4)
495 #define ISCSI_KCQE_LAYER_CODE_SHIFT 4
496 #define ISCSI_KCQE_RESERVED1 (0x1<<7)
497 #define ISCSI_KCQE_RESERVED1_SHIFT 7
498         u8 op_code;
499         u16 qe_self_seq;
500 #elif defined(__LITTLE_ENDIAN)
501         u16 qe_self_seq;
502         u8 op_code;
503         u8 flags;
504 #define ISCSI_KCQE_RESERVED0 (0xF<<0)
505 #define ISCSI_KCQE_RESERVED0_SHIFT 0
506 #define ISCSI_KCQE_LAYER_CODE (0x7<<4)
507 #define ISCSI_KCQE_LAYER_CODE_SHIFT 4
508 #define ISCSI_KCQE_RESERVED1 (0x1<<7)
509 #define ISCSI_KCQE_RESERVED1_SHIFT 7
510 #endif
511 };
512
513
514
515 /*
516  * iSCSI KWQE header
517  */
518 struct iscsi_kwqe_header {
519 #if defined(__BIG_ENDIAN)
520         u8 flags;
521 #define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
522 #define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
523 #define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
524 #define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
525 #define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
526 #define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
527         u8 op_code;
528 #elif defined(__LITTLE_ENDIAN)
529         u8 op_code;
530         u8 flags;
531 #define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
532 #define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
533 #define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
534 #define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
535 #define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
536 #define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
537 #endif
538 };
539
540 /*
541  * iSCSI firmware init request 1
542  */
543 struct iscsi_kwqe_init1 {
544 #if defined(__BIG_ENDIAN)
545         struct iscsi_kwqe_header hdr;
546         u8 reserved0;
547         u8 num_cqs;
548 #elif defined(__LITTLE_ENDIAN)
549         u8 num_cqs;
550         u8 reserved0;
551         struct iscsi_kwqe_header hdr;
552 #endif
553         u32 dummy_buffer_addr_lo;
554         u32 dummy_buffer_addr_hi;
555 #if defined(__BIG_ENDIAN)
556         u16 num_ccells_per_conn;
557         u16 num_tasks_per_conn;
558 #elif defined(__LITTLE_ENDIAN)
559         u16 num_tasks_per_conn;
560         u16 num_ccells_per_conn;
561 #endif
562 #if defined(__BIG_ENDIAN)
563         u16 sq_wqes_per_page;
564         u16 sq_num_wqes;
565 #elif defined(__LITTLE_ENDIAN)
566         u16 sq_num_wqes;
567         u16 sq_wqes_per_page;
568 #endif
569 #if defined(__BIG_ENDIAN)
570         u8 cq_log_wqes_per_page;
571         u8 flags;
572 #define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
573 #define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
574 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
575 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
576 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
577 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
578 #define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
579 #define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
580         u16 cq_num_wqes;
581 #elif defined(__LITTLE_ENDIAN)
582         u16 cq_num_wqes;
583         u8 flags;
584 #define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
585 #define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
586 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
587 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
588 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
589 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
590 #define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
591 #define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
592         u8 cq_log_wqes_per_page;
593 #endif
594 #if defined(__BIG_ENDIAN)
595         u16 cq_num_pages;
596         u16 sq_num_pages;
597 #elif defined(__LITTLE_ENDIAN)
598         u16 sq_num_pages;
599         u16 cq_num_pages;
600 #endif
601 #if defined(__BIG_ENDIAN)
602         u16 rq_buffer_size;
603         u16 rq_num_wqes;
604 #elif defined(__LITTLE_ENDIAN)
605         u16 rq_num_wqes;
606         u16 rq_buffer_size;
607 #endif
608 };
609
610 /*
611  * iSCSI firmware init request 2
612  */
613 struct iscsi_kwqe_init2 {
614 #if defined(__BIG_ENDIAN)
615         struct iscsi_kwqe_header hdr;
616         u16 max_cq_sqn;
617 #elif defined(__LITTLE_ENDIAN)
618         u16 max_cq_sqn;
619         struct iscsi_kwqe_header hdr;
620 #endif
621         u32 error_bit_map[2];
622         u32 reserved1[5];
623 };
624
625 /*
626  * Initial iSCSI connection offload request 1
627  */
628 struct iscsi_kwqe_conn_offload1 {
629 #if defined(__BIG_ENDIAN)
630         struct iscsi_kwqe_header hdr;
631         u16 iscsi_conn_id;
632 #elif defined(__LITTLE_ENDIAN)
633         u16 iscsi_conn_id;
634         struct iscsi_kwqe_header hdr;
635 #endif
636         u32 sq_page_table_addr_lo;
637         u32 sq_page_table_addr_hi;
638         u32 cq_page_table_addr_lo;
639         u32 cq_page_table_addr_hi;
640         u32 reserved0[3];
641 };
642
643 /*
644  * iSCSI Page Table Entry (PTE)
645  */
646 struct iscsi_pte {
647         u32 hi;
648         u32 lo;
649 };
650
651 /*
652  * Initial iSCSI connection offload request 2
653  */
654 struct iscsi_kwqe_conn_offload2 {
655 #if defined(__BIG_ENDIAN)
656         struct iscsi_kwqe_header hdr;
657         u16 reserved0;
658 #elif defined(__LITTLE_ENDIAN)
659         u16 reserved0;
660         struct iscsi_kwqe_header hdr;
661 #endif
662         u32 rq_page_table_addr_lo;
663         u32 rq_page_table_addr_hi;
664         struct iscsi_pte sq_first_pte;
665         struct iscsi_pte cq_first_pte;
666         u32 num_additional_wqes;
667 };
668
669
670 /*
671  * Initial iSCSI connection offload request 3
672  */
673 struct iscsi_kwqe_conn_offload3 {
674 #if defined(__BIG_ENDIAN)
675         struct iscsi_kwqe_header hdr;
676         u16 reserved0;
677 #elif defined(__LITTLE_ENDIAN)
678         u16 reserved0;
679         struct iscsi_kwqe_header hdr;
680 #endif
681         u32 reserved1;
682         struct iscsi_pte qp_first_pte[3];
683 };
684
685
686 /*
687  * iSCSI connection update request
688  */
689 struct iscsi_kwqe_conn_update {
690 #if defined(__BIG_ENDIAN)
691         struct iscsi_kwqe_header hdr;
692         u16 reserved0;
693 #elif defined(__LITTLE_ENDIAN)
694         u16 reserved0;
695         struct iscsi_kwqe_header hdr;
696 #endif
697 #if defined(__BIG_ENDIAN)
698         u8 session_error_recovery_level;
699         u8 max_outstanding_r2ts;
700         u8 reserved2;
701         u8 conn_flags;
702 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
703 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
704 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
705 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
706 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
707 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
708 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
709 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
710 #define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE (0x3<<4)
711 #define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE_SHIFT 4
712 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0x3<<6)
713 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 6
714 #elif defined(__LITTLE_ENDIAN)
715         u8 conn_flags;
716 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
717 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
718 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
719 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
720 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
721 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
722 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
723 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
724 #define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE (0x3<<4)
725 #define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE_SHIFT 4
726 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0x3<<6)
727 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 6
728         u8 reserved2;
729         u8 max_outstanding_r2ts;
730         u8 session_error_recovery_level;
731 #endif
732         u32 context_id;
733         u32 max_send_pdu_length;
734         u32 max_recv_pdu_length;
735         u32 first_burst_length;
736         u32 max_burst_length;
737         u32 exp_stat_sn;
738 };
739
740 /*
741  * iSCSI destroy connection request
742  */
743 struct iscsi_kwqe_conn_destroy {
744 #if defined(__BIG_ENDIAN)
745         struct iscsi_kwqe_header hdr;
746         u16 reserved0;
747 #elif defined(__LITTLE_ENDIAN)
748         u16 reserved0;
749         struct iscsi_kwqe_header hdr;
750 #endif
751         u32 context_id;
752         u32 reserved1[6];
753 };
754
755 /*
756  * iSCSI KWQ WQE
757  */
758 union iscsi_kwqe {
759         struct iscsi_kwqe_init1 init1;
760         struct iscsi_kwqe_init2 init2;
761         struct iscsi_kwqe_conn_offload1 conn_offload1;
762         struct iscsi_kwqe_conn_offload2 conn_offload2;
763         struct iscsi_kwqe_conn_update conn_update;
764         struct iscsi_kwqe_conn_destroy conn_destroy;
765 };
766
767 /*
768  * iSCSI Login SQ WQE
769  */
770 struct bnx2i_login_request {
771 #if defined(__BIG_ENDIAN)
772         u8 op_code;
773         u8 op_attr;
774 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
775 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
776 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
777 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
778 #define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
779 #define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
780 #define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
781 #define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
782 #define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
783 #define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
784         u8 version_max;
785         u8 version_min;
786 #elif defined(__LITTLE_ENDIAN)
787         u8 version_min;
788         u8 version_max;
789         u8 op_attr;
790 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
791 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
792 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
793 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
794 #define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
795 #define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
796 #define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
797 #define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
798 #define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
799 #define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
800         u8 op_code;
801 #endif
802         u32 data_length;
803         u32 isid_lo;
804 #if defined(__BIG_ENDIAN)
805         u16 isid_hi;
806         u16 tsih;
807 #elif defined(__LITTLE_ENDIAN)
808         u16 tsih;
809         u16 isid_hi;
810 #endif
811 #if defined(__BIG_ENDIAN)
812         u16 reserved2;
813         u16 itt;
814 #define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
815 #define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
816 #define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
817 #define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
818 #elif defined(__LITTLE_ENDIAN)
819         u16 itt;
820 #define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
821 #define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
822 #define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
823 #define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
824         u16 reserved2;
825 #endif
826 #if defined(__BIG_ENDIAN)
827         u16 cid;
828         u16 reserved3;
829 #elif defined(__LITTLE_ENDIAN)
830         u16 reserved3;
831         u16 cid;
832 #endif
833         u32 cmd_sn;
834         u32 exp_stat_sn;
835         u32 reserved4;
836         u32 resp_bd_list_addr_lo;
837         u32 resp_bd_list_addr_hi;
838         u32 resp_buffer;
839 #define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
840 #define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
841 #define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS (0xFF<<24)
842 #define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS_SHIFT 24
843 #if defined(__BIG_ENDIAN)
844         u16 reserved8;
845         u8 reserved7;
846         u8 flags;
847 #define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
848 #define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
849 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
850 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
851 #define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
852 #define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
853 #elif defined(__LITTLE_ENDIAN)
854         u8 flags;
855 #define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
856 #define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
857 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
858 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
859 #define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
860 #define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
861         u8 reserved7;
862         u16 reserved8;
863 #endif
864         u32 bd_list_addr_lo;
865         u32 bd_list_addr_hi;
866 #if defined(__BIG_ENDIAN)
867         u8 cq_index;
868         u8 reserved10;
869         u8 reserved9;
870         u8 num_bds;
871 #elif defined(__LITTLE_ENDIAN)
872         u8 num_bds;
873         u8 reserved9;
874         u8 reserved10;
875         u8 cq_index;
876 #endif
877 };
878
879
880 /*
881  * iSCSI Login CQE
882  */
883 struct bnx2i_login_response {
884 #if defined(__BIG_ENDIAN)
885         u8 op_code;
886         u8 response_flags;
887 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
888 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
889 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
890 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
891 #define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
892 #define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
893 #define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
894 #define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
895 #define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
896 #define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
897         u8 version_max;
898         u8 version_active;
899 #elif defined(__LITTLE_ENDIAN)
900         u8 version_active;
901         u8 version_max;
902         u8 response_flags;
903 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
904 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
905 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
906 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
907 #define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
908 #define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
909 #define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
910 #define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
911 #define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
912 #define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
913         u8 op_code;
914 #endif
915         u32 data_length;
916         u32 exp_cmd_sn;
917         u32 max_cmd_sn;
918         u32 reserved1[2];
919 #if defined(__BIG_ENDIAN)
920         u16 reserved3;
921         u8 err_code;
922         u8 reserved2;
923 #elif defined(__LITTLE_ENDIAN)
924         u8 reserved2;
925         u8 err_code;
926         u16 reserved3;
927 #endif
928         u32 stat_sn;
929         u32 isid_lo;
930 #if defined(__BIG_ENDIAN)
931         u16 isid_hi;
932         u16 tsih;
933 #elif defined(__LITTLE_ENDIAN)
934         u16 tsih;
935         u16 isid_hi;
936 #endif
937 #if defined(__BIG_ENDIAN)
938         u8 status_class;
939         u8 status_detail;
940         u16 reserved4;
941 #elif defined(__LITTLE_ENDIAN)
942         u16 reserved4;
943         u8 status_detail;
944         u8 status_class;
945 #endif
946         u32 reserved5[3];
947 #if defined(__BIG_ENDIAN)
948         u16 reserved6;
949         u16 itt;
950 #define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
951 #define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
952 #define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
953 #define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
954 #elif defined(__LITTLE_ENDIAN)
955         u16 itt;
956 #define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
957 #define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
958 #define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
959 #define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
960         u16 reserved6;
961 #endif
962         u32 cq_req_sn;
963 };
964
965
966 /*
967  * iSCSI Logout SQ WQE
968  */
969 struct bnx2i_logout_request {
970 #if defined(__BIG_ENDIAN)
971         u8 op_code;
972         u8 op_attr;
973 #define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
974 #define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
975 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
976 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
977         u16 reserved0;
978 #elif defined(__LITTLE_ENDIAN)
979         u16 reserved0;
980         u8 op_attr;
981 #define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
982 #define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
983 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
984 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
985         u8 op_code;
986 #endif
987         u32 data_length;
988         u32 reserved1[2];
989 #if defined(__BIG_ENDIAN)
990         u16 reserved2;
991         u16 itt;
992 #define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
993 #define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
994 #define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
995 #define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
996 #elif defined(__LITTLE_ENDIAN)
997         u16 itt;
998 #define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
999 #define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
1000 #define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
1001 #define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
1002         u16 reserved2;
1003 #endif
1004 #if defined(__BIG_ENDIAN)
1005         u16 cid;
1006         u16 reserved3;
1007 #elif defined(__LITTLE_ENDIAN)
1008         u16 reserved3;
1009         u16 cid;
1010 #endif
1011         u32 cmd_sn;
1012         u32 reserved4[5];
1013         u32 zero_fill;
1014         u32 bd_list_addr_lo;
1015         u32 bd_list_addr_hi;
1016 #if defined(__BIG_ENDIAN)
1017         u8 cq_index;
1018         u8 reserved6;
1019         u8 reserved5;
1020         u8 num_bds;
1021 #elif defined(__LITTLE_ENDIAN)
1022         u8 num_bds;
1023         u8 reserved5;
1024         u8 reserved6;
1025         u8 cq_index;
1026 #endif
1027 };
1028
1029
1030 /*
1031  * iSCSI Logout CQE
1032  */
1033 struct bnx2i_logout_response {
1034 #if defined(__BIG_ENDIAN)
1035         u8 op_code;
1036         u8 reserved1;
1037         u8 response;
1038         u8 reserved0;
1039 #elif defined(__LITTLE_ENDIAN)
1040         u8 reserved0;
1041         u8 response;
1042         u8 reserved1;
1043         u8 op_code;
1044 #endif
1045         u32 reserved2;
1046         u32 exp_cmd_sn;
1047         u32 max_cmd_sn;
1048         u32 reserved3[2];
1049 #if defined(__BIG_ENDIAN)
1050         u16 reserved5;
1051         u8 err_code;
1052         u8 reserved4;
1053 #elif defined(__LITTLE_ENDIAN)
1054         u8 reserved4;
1055         u8 err_code;
1056         u16 reserved5;
1057 #endif
1058         u32 reserved6[3];
1059 #if defined(__BIG_ENDIAN)
1060         u16 time_to_wait;
1061         u16 time_to_retain;
1062 #elif defined(__LITTLE_ENDIAN)
1063         u16 time_to_retain;
1064         u16 time_to_wait;
1065 #endif
1066         u32 reserved7[3];
1067 #if defined(__BIG_ENDIAN)
1068         u16 reserved8;
1069         u16 itt;
1070 #define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1071 #define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1072 #define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1073 #define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1074 #elif defined(__LITTLE_ENDIAN)
1075         u16 itt;
1076 #define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1077 #define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1078 #define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1079 #define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1080         u16 reserved8;
1081 #endif
1082         u32 cq_req_sn;
1083 };
1084
1085
1086 /*
1087  * iSCSI Nop-In CQE
1088  */
1089 struct bnx2i_nop_in_msg {
1090 #if defined(__BIG_ENDIAN)
1091         u8 op_code;
1092         u8 reserved1;
1093         u16 reserved0;
1094 #elif defined(__LITTLE_ENDIAN)
1095         u16 reserved0;
1096         u8 reserved1;
1097         u8 op_code;
1098 #endif
1099         u32 data_length;
1100         u32 exp_cmd_sn;
1101         u32 max_cmd_sn;
1102         u32 ttt;
1103         u32 reserved2;
1104 #if defined(__BIG_ENDIAN)
1105         u16 reserved4;
1106         u8 err_code;
1107         u8 reserved3;
1108 #elif defined(__LITTLE_ENDIAN)
1109         u8 reserved3;
1110         u8 err_code;
1111         u16 reserved4;
1112 #endif
1113         u32 reserved5;
1114         u32 lun[2];
1115         u32 reserved6[4];
1116 #if defined(__BIG_ENDIAN)
1117         u16 reserved7;
1118         u16 itt;
1119 #define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1120 #define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1121 #define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1122 #define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1123 #elif defined(__LITTLE_ENDIAN)
1124         u16 itt;
1125 #define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1126 #define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1127 #define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1128 #define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1129         u16 reserved7;
1130 #endif
1131         u32 cq_req_sn;
1132 };
1133
1134
1135 /*
1136  * iSCSI NOP-OUT SQ WQE
1137  */
1138 struct bnx2i_nop_out_request {
1139 #if defined(__BIG_ENDIAN)
1140         u8 op_code;
1141         u8 op_attr;
1142 #define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1143 #define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1144 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1145 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1146         u16 reserved0;
1147 #elif defined(__LITTLE_ENDIAN)
1148         u16 reserved0;
1149         u8 op_attr;
1150 #define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1151 #define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1152 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1153 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1154         u8 op_code;
1155 #endif
1156         u32 data_length;
1157         u32 lun[2];
1158 #if defined(__BIG_ENDIAN)
1159         u16 reserved2;
1160         u16 itt;
1161 #define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1162 #define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1163 #define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1164 #define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1165 #elif defined(__LITTLE_ENDIAN)
1166         u16 itt;
1167 #define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1168 #define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1169 #define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1170 #define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1171         u16 reserved2;
1172 #endif
1173         u32 ttt;
1174         u32 cmd_sn;
1175         u32 reserved3[2];
1176         u32 resp_bd_list_addr_lo;
1177         u32 resp_bd_list_addr_hi;
1178         u32 resp_buffer;
1179 #define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1180 #define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1181 #define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1182 #define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS_SHIFT 24
1183 #if defined(__BIG_ENDIAN)
1184         u16 reserved7;
1185         u8 reserved6;
1186         u8 flags;
1187 #define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1188 #define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1189 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1190 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1191 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1192 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1193 #elif defined(__LITTLE_ENDIAN)
1194         u8 flags;
1195 #define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1196 #define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1197 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1198 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1199 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1200 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1201         u8 reserved6;
1202         u16 reserved7;
1203 #endif
1204         u32 bd_list_addr_lo;
1205         u32 bd_list_addr_hi;
1206 #if defined(__BIG_ENDIAN)
1207         u8 cq_index;
1208         u8 reserved9;
1209         u8 reserved8;
1210         u8 num_bds;
1211 #elif defined(__LITTLE_ENDIAN)
1212         u8 num_bds;
1213         u8 reserved8;
1214         u8 reserved9;
1215         u8 cq_index;
1216 #endif
1217 };
1218
1219 /*
1220  * iSCSI Reject CQE
1221  */
1222 struct bnx2i_reject_msg {
1223 #if defined(__BIG_ENDIAN)
1224         u8 op_code;
1225         u8 reserved1;
1226         u8 reason;
1227         u8 reserved0;
1228 #elif defined(__LITTLE_ENDIAN)
1229         u8 reserved0;
1230         u8 reason;
1231         u8 reserved1;
1232         u8 op_code;
1233 #endif
1234         u32 data_length;
1235         u32 exp_cmd_sn;
1236         u32 max_cmd_sn;
1237         u32 reserved2[2];
1238 #if defined(__BIG_ENDIAN)
1239         u16 reserved4;
1240         u8 err_code;
1241         u8 reserved3;
1242 #elif defined(__LITTLE_ENDIAN)
1243         u8 reserved3;
1244         u8 err_code;
1245         u16 reserved4;
1246 #endif
1247         u32 reserved5[8];
1248         u32 cq_req_sn;
1249 };
1250
1251 /*
1252  * bnx2i iSCSI TMF SQ WQE
1253  */
1254 struct bnx2i_tmf_request {
1255 #if defined(__BIG_ENDIAN)
1256         u8 op_code;
1257         u8 op_attr;
1258 #define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1259 #define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1260 #define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1261 #define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1262         u16 reserved0;
1263 #elif defined(__LITTLE_ENDIAN)
1264         u16 reserved0;
1265         u8 op_attr;
1266 #define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1267 #define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1268 #define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1269 #define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1270         u8 op_code;
1271 #endif
1272         u32 data_length;
1273         u32 lun[2];
1274 #if defined(__BIG_ENDIAN)
1275         u16 reserved1;
1276         u16 itt;
1277 #define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1278 #define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1279 #define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1280 #define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1281 #elif defined(__LITTLE_ENDIAN)
1282         u16 itt;
1283 #define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1284 #define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1285 #define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1286 #define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1287         u16 reserved1;
1288 #endif
1289         u32 ref_itt;
1290         u32 cmd_sn;
1291         u32 reserved2;
1292         u32 ref_cmd_sn;
1293         u32 reserved3[3];
1294         u32 zero_fill;
1295         u32 bd_list_addr_lo;
1296         u32 bd_list_addr_hi;
1297 #if defined(__BIG_ENDIAN)
1298         u8 cq_index;
1299         u8 reserved5;
1300         u8 reserved4;
1301         u8 num_bds;
1302 #elif defined(__LITTLE_ENDIAN)
1303         u8 num_bds;
1304         u8 reserved4;
1305         u8 reserved5;
1306         u8 cq_index;
1307 #endif
1308 };
1309
1310 /*
1311  * iSCSI Text SQ WQE
1312  */
1313 struct bnx2i_text_request {
1314 #if defined(__BIG_ENDIAN)
1315         u8 op_code;
1316         u8 op_attr;
1317 #define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1318 #define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1319 #define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1320 #define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1321 #define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1322 #define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1323         u16 reserved0;
1324 #elif defined(__LITTLE_ENDIAN)
1325         u16 reserved0;
1326         u8 op_attr;
1327 #define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1328 #define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1329 #define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1330 #define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1331 #define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1332 #define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1333         u8 op_code;
1334 #endif
1335         u32 data_length;
1336         u32 lun[2];
1337 #if defined(__BIG_ENDIAN)
1338         u16 reserved3;
1339         u16 itt;
1340 #define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1341 #define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1342 #define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1343 #define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1344 #elif defined(__LITTLE_ENDIAN)
1345         u16 itt;
1346 #define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1347 #define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1348 #define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1349 #define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1350         u16 reserved3;
1351 #endif
1352         u32 ttt;
1353         u32 cmd_sn;
1354         u32 reserved4[2];
1355         u32 resp_bd_list_addr_lo;
1356         u32 resp_bd_list_addr_hi;
1357         u32 resp_buffer;
1358 #define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1359 #define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1360 #define ISCSI_TEXT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1361 #define ISCSI_TEXT_REQUEST_NUM_RESP_BDS_SHIFT 24
1362         u32 zero_fill;
1363         u32 bd_list_addr_lo;
1364         u32 bd_list_addr_hi;
1365 #if defined(__BIG_ENDIAN)
1366         u8 cq_index;
1367         u8 reserved7;
1368         u8 reserved6;
1369         u8 num_bds;
1370 #elif defined(__LITTLE_ENDIAN)
1371         u8 num_bds;
1372         u8 reserved6;
1373         u8 reserved7;
1374         u8 cq_index;
1375 #endif
1376 };
1377
1378 /*
1379  * iSCSI SQ WQE
1380  */
1381 union iscsi_request {
1382         struct bnx2i_cmd_request cmd;
1383         struct bnx2i_tmf_request tmf;
1384         struct bnx2i_nop_out_request nop_out;
1385         struct bnx2i_login_request login_req;
1386         struct bnx2i_text_request text;
1387         struct bnx2i_logout_request logout_req;
1388         struct bnx2i_cleanup_request cleanup;
1389 };
1390
1391
1392 /*
1393  * iSCSI TMF CQE
1394  */
1395 struct bnx2i_tmf_response {
1396 #if defined(__BIG_ENDIAN)
1397         u8 op_code;
1398         u8 reserved1;
1399         u8 response;
1400         u8 reserved0;
1401 #elif defined(__LITTLE_ENDIAN)
1402         u8 reserved0;
1403         u8 response;
1404         u8 reserved1;
1405         u8 op_code;
1406 #endif
1407         u32 reserved2;
1408         u32 exp_cmd_sn;
1409         u32 max_cmd_sn;
1410         u32 reserved3[2];
1411 #if defined(__BIG_ENDIAN)
1412         u16 reserved5;
1413         u8 err_code;
1414         u8 reserved4;
1415 #elif defined(__LITTLE_ENDIAN)
1416         u8 reserved4;
1417         u8 err_code;
1418         u16 reserved5;
1419 #endif
1420         u32 reserved6[7];
1421 #if defined(__BIG_ENDIAN)
1422         u16 reserved7;
1423         u16 itt;
1424 #define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1425 #define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1426 #define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1427 #define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1428 #elif defined(__LITTLE_ENDIAN)
1429         u16 itt;
1430 #define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1431 #define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1432 #define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1433 #define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1434         u16 reserved7;
1435 #endif
1436         u32 cq_req_sn;
1437 };
1438
1439 /*
1440  * iSCSI Text CQE
1441  */
1442 struct bnx2i_text_response {
1443 #if defined(__BIG_ENDIAN)
1444         u8 op_code;
1445         u8 response_flags;
1446 #define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1447 #define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1448 #define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1449 #define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1450 #define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1451 #define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1452         u16 reserved0;
1453 #elif defined(__LITTLE_ENDIAN)
1454         u16 reserved0;
1455         u8 response_flags;
1456 #define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1457 #define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1458 #define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1459 #define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1460 #define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1461 #define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1462         u8 op_code;
1463 #endif
1464         u32 data_length;
1465         u32 exp_cmd_sn;
1466         u32 max_cmd_sn;
1467         u32 ttt;
1468         u32 reserved2;
1469 #if defined(__BIG_ENDIAN)
1470         u16 reserved4;
1471         u8 err_code;
1472         u8 reserved3;
1473 #elif defined(__LITTLE_ENDIAN)
1474         u8 reserved3;
1475         u8 err_code;
1476         u16 reserved4;
1477 #endif
1478         u32 reserved5;
1479         u32 lun[2];
1480         u32 reserved6[4];
1481 #if defined(__BIG_ENDIAN)
1482         u16 reserved7;
1483         u16 itt;
1484 #define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1485 #define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1486 #define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1487 #define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1488 #elif defined(__LITTLE_ENDIAN)
1489         u16 itt;
1490 #define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1491 #define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1492 #define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1493 #define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1494         u16 reserved7;
1495 #endif
1496         u32 cq_req_sn;
1497 };
1498
1499 /*
1500  * iSCSI CQE
1501  */
1502 union iscsi_response {
1503         struct bnx2i_cmd_response cmd;
1504         struct bnx2i_tmf_response tmf;
1505         struct bnx2i_login_response login_resp;
1506         struct bnx2i_text_response text;
1507         struct bnx2i_logout_response logout_resp;
1508         struct bnx2i_cleanup_response cleanup;
1509         struct bnx2i_reject_msg reject;
1510         struct bnx2i_async_msg async;
1511         struct bnx2i_nop_in_msg nop_in;
1512 };
1513
1514 #endif /* __57XX_ISCSI_HSI_LINUX_LE__ */