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gerrit-public.fairphone.software / kernel / msm-4.9 / 0c2875893ef27b93d5d3221f8f98ae944d6be5fa / . / drivers / scsi / bnx2i / 57xx_iscsi_hsi.h
blob: 36af1afef9b6651da90d6583e1bac1746332ef88 [file] [log] [blame]
Michael Chancf4e6362009-06-08 18:14:44 -0700[diff] [blame]1/* 57xx_iscsi_hsi.h: Broadcom NetXtreme II iSCSI HSI.
2 *
3 * Copyright (c) 2006 - 2009 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 */
11#ifndef __57XX_ISCSI_HSI_LINUX_LE__
12#define __57XX_ISCSI_HSI_LINUX_LE__
13
14/*
15 * iSCSI Async CQE
16 */
17struct bnx2i_async_msg {
18#if defined(__BIG_ENDIAN)
19 u8 op_code;
20 u8 reserved1;
21 u16 reserved0;
22#elif defined(__LITTLE_ENDIAN)
23 u16 reserved0;
24 u8 reserved1;
25 u8 op_code;
26#endif
27 u32 reserved2;
28 u32 exp_cmd_sn;
29 u32 max_cmd_sn;
30 u32 reserved3[2];
31#if defined(__BIG_ENDIAN)
32 u16 reserved5;
33 u8 err_code;
34 u8 reserved4;
35#elif defined(__LITTLE_ENDIAN)
36 u8 reserved4;
37 u8 err_code;
38 u16 reserved5;
39#endif
40 u32 reserved6;
41 u32 lun[2];
42#if defined(__BIG_ENDIAN)
43 u8 async_event;
44 u8 async_vcode;
45 u16 param1;
46#elif defined(__LITTLE_ENDIAN)
47 u16 param1;
48 u8 async_vcode;
49 u8 async_event;
50#endif
51#if defined(__BIG_ENDIAN)
52 u16 param2;
53 u16 param3;
54#elif defined(__LITTLE_ENDIAN)
55 u16 param3;
56 u16 param2;
57#endif
58 u32 reserved7[3];
59 u32 cq_req_sn;
60};
61
62
63/*
64 * iSCSI Buffer Descriptor (BD)
65 */
66struct iscsi_bd {
67 u32 buffer_addr_hi;
68 u32 buffer_addr_lo;
69#if defined(__BIG_ENDIAN)
70 u16 reserved0;
71 u16 buffer_length;
72#elif defined(__LITTLE_ENDIAN)
73 u16 buffer_length;
74 u16 reserved0;
75#endif
76#if defined(__BIG_ENDIAN)
77 u16 reserved3;
78 u16 flags;
79#define ISCSI_BD_RESERVED1 (0x3F<<0)
80#define ISCSI_BD_RESERVED1_SHIFT 0
81#define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6)
82#define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6
83#define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7)
84#define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7
85#define ISCSI_BD_RESERVED2 (0xFF<<8)
86#define ISCSI_BD_RESERVED2_SHIFT 8
87#elif defined(__LITTLE_ENDIAN)
88 u16 flags;
89#define ISCSI_BD_RESERVED1 (0x3F<<0)
90#define ISCSI_BD_RESERVED1_SHIFT 0
91#define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6)
92#define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6
93#define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7)
94#define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7
95#define ISCSI_BD_RESERVED2 (0xFF<<8)
96#define ISCSI_BD_RESERVED2_SHIFT 8
97 u16 reserved3;
98#endif
99};
100
101
102/*
103 * iSCSI Cleanup SQ WQE
104 */
105struct bnx2i_cleanup_request {
106#if defined(__BIG_ENDIAN)
107 u8 op_code;
108 u8 reserved1;
109 u16 reserved0;
110#elif defined(__LITTLE_ENDIAN)
111 u16 reserved0;
112 u8 reserved1;
113 u8 op_code;
114#endif
115 u32 reserved2[3];
116#if defined(__BIG_ENDIAN)
117 u16 reserved3;
118 u16 itt;
119#define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0)
120#define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0
121#define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14)
122#define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14
123#elif defined(__LITTLE_ENDIAN)
124 u16 itt;
125#define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0)
126#define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0
127#define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14)
128#define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14
129 u16 reserved3;
130#endif
131 u32 reserved4[10];
132#if defined(__BIG_ENDIAN)
133 u8 cq_index;
134 u8 reserved6;
135 u16 reserved5;
136#elif defined(__LITTLE_ENDIAN)
137 u16 reserved5;
138 u8 reserved6;
139 u8 cq_index;
140#endif
141};
142
143
144/*
145 * iSCSI Cleanup CQE
146 */
147struct bnx2i_cleanup_response {
148#if defined(__BIG_ENDIAN)
149 u8 op_code;
150 u8 status;
151 u16 reserved0;
152#elif defined(__LITTLE_ENDIAN)
153 u16 reserved0;
154 u8 status;
155 u8 op_code;
156#endif
157 u32 reserved1[3];
158 u32 reserved2[2];
159#if defined(__BIG_ENDIAN)
160 u16 reserved4;
161 u8 err_code;
162 u8 reserved3;
163#elif defined(__LITTLE_ENDIAN)
164 u8 reserved3;
165 u8 err_code;
166 u16 reserved4;
167#endif
168 u32 reserved5[7];
169#if defined(__BIG_ENDIAN)
170 u16 reserved6;
171 u16 itt;
172#define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0)
173#define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0
174#define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14)
175#define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14
176#elif defined(__LITTLE_ENDIAN)
177 u16 itt;
178#define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0)
179#define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0
180#define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14)
181#define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14
182 u16 reserved6;
183#endif
184 u32 cq_req_sn;
185};
186
187
188/*
189 * SCSI read/write SQ WQE
190 */
191struct bnx2i_cmd_request {
192#if defined(__BIG_ENDIAN)
193 u8 op_code;
194 u8 op_attr;
195#define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0)
196#define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0
197#define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3)
198#define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3
199#define ISCSI_CMD_REQUEST_WRITE (0x1<<5)
200#define ISCSI_CMD_REQUEST_WRITE_SHIFT 5
201#define ISCSI_CMD_REQUEST_READ (0x1<<6)
202#define ISCSI_CMD_REQUEST_READ_SHIFT 6
203#define ISCSI_CMD_REQUEST_FINAL (0x1<<7)
204#define ISCSI_CMD_REQUEST_FINAL_SHIFT 7
205 u16 reserved0;
206#elif defined(__LITTLE_ENDIAN)
207 u16 reserved0;
208 u8 op_attr;
209#define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0)
210#define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0
211#define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3)
212#define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3
213#define ISCSI_CMD_REQUEST_WRITE (0x1<<5)
214#define ISCSI_CMD_REQUEST_WRITE_SHIFT 5
215#define ISCSI_CMD_REQUEST_READ (0x1<<6)
216#define ISCSI_CMD_REQUEST_READ_SHIFT 6
217#define ISCSI_CMD_REQUEST_FINAL (0x1<<7)
218#define ISCSI_CMD_REQUEST_FINAL_SHIFT 7
219 u8 op_code;
220#endif
221#if defined(__BIG_ENDIAN)
222 u16 ud_buffer_offset;
223 u16 sd_buffer_offset;
224#elif defined(__LITTLE_ENDIAN)
225 u16 sd_buffer_offset;
226 u16 ud_buffer_offset;
227#endif
228 u32 lun[2];
229#if defined(__BIG_ENDIAN)
230 u16 reserved2;
231 u16 itt;
232#define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0)
233#define ISCSI_CMD_REQUEST_INDEX_SHIFT 0
234#define ISCSI_CMD_REQUEST_TYPE (0x3<<14)
235#define ISCSI_CMD_REQUEST_TYPE_SHIFT 14
236#elif defined(__LITTLE_ENDIAN)
237 u16 itt;
238#define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0)
239#define ISCSI_CMD_REQUEST_INDEX_SHIFT 0
240#define ISCSI_CMD_REQUEST_TYPE (0x3<<14)
241#define ISCSI_CMD_REQUEST_TYPE_SHIFT 14
242 u16 reserved2;
243#endif
244 u32 total_data_transfer_length;
245 u32 cmd_sn;
246 u32 reserved3;
247 u32 cdb[4];
248 u32 zero_fill;
249 u32 bd_list_addr_lo;
250 u32 bd_list_addr_hi;
251#if defined(__BIG_ENDIAN)
252 u8 cq_index;
253 u8 sd_start_bd_index;
254 u8 ud_start_bd_index;
255 u8 num_bds;
256#elif defined(__LITTLE_ENDIAN)
257 u8 num_bds;
258 u8 ud_start_bd_index;
259 u8 sd_start_bd_index;
260 u8 cq_index;
261#endif
262};
263
264
265/*
266 * task statistics for write response
267 */
268struct bnx2i_write_resp_task_stat {
269 u32 num_data_ins;
270};
271
272/*
273 * task statistics for read response
274 */
275struct bnx2i_read_resp_task_stat {
276#if defined(__BIG_ENDIAN)
277 u16 num_data_outs;
278 u16 num_r2ts;
279#elif defined(__LITTLE_ENDIAN)
280 u16 num_r2ts;
281 u16 num_data_outs;
282#endif
283};
284
285/*
286 * task statistics for iSCSI cmd response
287 */
288union bnx2i_cmd_resp_task_stat {
289 struct bnx2i_write_resp_task_stat write_stat;
290 struct bnx2i_read_resp_task_stat read_stat;
291};
292
293/*
294 * SCSI Command CQE
295 */
296struct bnx2i_cmd_response {
297#if defined(__BIG_ENDIAN)
298 u8 op_code;
299 u8 response_flags;
300#define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
301#define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
302#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
303#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
304#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
305#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
306#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
307#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
308#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
309#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
310#define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
311#define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
312 u8 response;
313 u8 status;
314#elif defined(__LITTLE_ENDIAN)
315 u8 status;
316 u8 response;
317 u8 response_flags;
318#define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
319#define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
320#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
321#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
322#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
323#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
324#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
325#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
326#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
327#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
328#define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
329#define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
330 u8 op_code;
331#endif
332 u32 data_length;
333 u32 exp_cmd_sn;
334 u32 max_cmd_sn;
335 u32 reserved2;
336 u32 residual_count;
337#if defined(__BIG_ENDIAN)
338 u16 reserved4;
339 u8 err_code;
340 u8 reserved3;
341#elif defined(__LITTLE_ENDIAN)
342 u8 reserved3;
343 u8 err_code;
344 u16 reserved4;
345#endif
346 u32 reserved5[5];
347 union bnx2i_cmd_resp_task_stat task_stat;
348 u32 reserved6;
349#if defined(__BIG_ENDIAN)
350 u16 reserved7;
351 u16 itt;
352#define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
353#define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
354#define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
355#define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
356#elif defined(__LITTLE_ENDIAN)
357 u16 itt;
358#define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
359#define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
360#define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
361#define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
362 u16 reserved7;
363#endif
364 u32 cq_req_sn;
365};
366
367
368
369/*
370 * firmware middle-path request SQ WQE
371 */
372struct bnx2i_fw_mp_request {
373#if defined(__BIG_ENDIAN)
374 u8 op_code;
375 u8 op_attr;
376 u16 hdr_opaque1;
377#elif defined(__LITTLE_ENDIAN)
378 u16 hdr_opaque1;
379 u8 op_attr;
380 u8 op_code;
381#endif
382 u32 data_length;
383 u32 hdr_opaque2[2];
384#if defined(__BIG_ENDIAN)
385 u16 reserved0;
386 u16 itt;
387#define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
388#define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
389#define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
390#define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
391#elif defined(__LITTLE_ENDIAN)
392 u16 itt;
393#define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
394#define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
395#define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
396#define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
397 u16 reserved0;
398#endif
399 u32 hdr_opaque3[4];
400 u32 resp_bd_list_addr_lo;
401 u32 resp_bd_list_addr_hi;
402 u32 resp_buffer;
403#define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
404#define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
405#define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS (0xFF<<24)
406#define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS_SHIFT 24
407#if defined(__BIG_ENDIAN)
408 u16 reserved4;
409 u8 reserved3;
410 u8 flags;
411#define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
412#define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
413#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
414#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
415#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
416#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
417#define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
418#define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
419#elif defined(__LITTLE_ENDIAN)
420 u8 flags;
421#define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
422#define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
423#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
424#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
425#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
426#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
427#define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
428#define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
429 u8 reserved3;
430 u16 reserved4;
431#endif
432 u32 bd_list_addr_lo;
433 u32 bd_list_addr_hi;
434#if defined(__BIG_ENDIAN)
435 u8 cq_index;
436 u8 reserved6;
437 u8 reserved5;
438 u8 num_bds;
439#elif defined(__LITTLE_ENDIAN)
440 u8 num_bds;
441 u8 reserved5;
442 u8 reserved6;
443 u8 cq_index;
444#endif
445};
446
447
448/*
449 * firmware response - CQE: used only by firmware
450 */
451struct bnx2i_fw_response {
452 u32 hdr_dword1[2];
453 u32 hdr_exp_cmd_sn;
454 u32 hdr_max_cmd_sn;
455 u32 hdr_ttt;
456 u32 hdr_res_cnt;
457 u32 cqe_flags;
458#define ISCSI_FW_RESPONSE_RESERVED2 (0xFF<<0)
459#define ISCSI_FW_RESPONSE_RESERVED2_SHIFT 0
460#define ISCSI_FW_RESPONSE_ERR_CODE (0xFF<<8)
461#define ISCSI_FW_RESPONSE_ERR_CODE_SHIFT 8
462#define ISCSI_FW_RESPONSE_RESERVED3 (0xFFFF<<16)
463#define ISCSI_FW_RESPONSE_RESERVED3_SHIFT 16
464 u32 stat_sn;
465 u32 hdr_dword2[2];
466 u32 hdr_dword3[2];
467 u32 task_stat;
468 u32 reserved0;
469 u32 hdr_itt;
470 u32 cq_req_sn;
471};
472
473
474/*
475 * iSCSI KCQ CQE parameters
476 */
477union iscsi_kcqe_params {
478 u32 reserved0[4];
479};
480
481/*
482 * iSCSI KCQ CQE
483 */
484struct iscsi_kcqe {
485 u32 iscsi_conn_id;
486 u32 completion_status;
487 u32 iscsi_conn_context_id;
488 union iscsi_kcqe_params params;
489#if defined(__BIG_ENDIAN)
490 u8 flags;
491#define ISCSI_KCQE_RESERVED0 (0xF<<0)
492#define ISCSI_KCQE_RESERVED0_SHIFT 0
493#define ISCSI_KCQE_LAYER_CODE (0x7<<4)
494#define ISCSI_KCQE_LAYER_CODE_SHIFT 4
495#define ISCSI_KCQE_RESERVED1 (0x1<<7)
496#define ISCSI_KCQE_RESERVED1_SHIFT 7
497 u8 op_code;
498 u16 qe_self_seq;
499#elif defined(__LITTLE_ENDIAN)
500 u16 qe_self_seq;
501 u8 op_code;
502 u8 flags;
503#define ISCSI_KCQE_RESERVED0 (0xF<<0)
504#define ISCSI_KCQE_RESERVED0_SHIFT 0
505#define ISCSI_KCQE_LAYER_CODE (0x7<<4)
506#define ISCSI_KCQE_LAYER_CODE_SHIFT 4
507#define ISCSI_KCQE_RESERVED1 (0x1<<7)
508#define ISCSI_KCQE_RESERVED1_SHIFT 7
509#endif
510};
511
512
513
514/*
515 * iSCSI KWQE header
516 */
517struct iscsi_kwqe_header {
518#if defined(__BIG_ENDIAN)
519 u8 flags;
520#define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
521#define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
522#define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
523#define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
524#define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
525#define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
526 u8 op_code;
527#elif defined(__LITTLE_ENDIAN)
528 u8 op_code;
529 u8 flags;
530#define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
531#define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
532#define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
533#define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
534#define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
535#define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
536#endif
537};
538
539/*
540 * iSCSI firmware init request 1
541 */
542struct iscsi_kwqe_init1 {
543#if defined(__BIG_ENDIAN)
544 struct iscsi_kwqe_header hdr;
545 u8 reserved0;
546 u8 num_cqs;
547#elif defined(__LITTLE_ENDIAN)
548 u8 num_cqs;
549 u8 reserved0;
550 struct iscsi_kwqe_header hdr;
551#endif
552 u32 dummy_buffer_addr_lo;
553 u32 dummy_buffer_addr_hi;
554#if defined(__BIG_ENDIAN)
555 u16 num_ccells_per_conn;
556 u16 num_tasks_per_conn;
557#elif defined(__LITTLE_ENDIAN)
558 u16 num_tasks_per_conn;
559 u16 num_ccells_per_conn;
560#endif
561#if defined(__BIG_ENDIAN)
562 u16 sq_wqes_per_page;
563 u16 sq_num_wqes;
564#elif defined(__LITTLE_ENDIAN)
565 u16 sq_num_wqes;
566 u16 sq_wqes_per_page;
567#endif
568#if defined(__BIG_ENDIAN)
569 u8 cq_log_wqes_per_page;
570 u8 flags;
571#define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
572#define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
573#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
574#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
575#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
576#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
577#define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
578#define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
579 u16 cq_num_wqes;
580#elif defined(__LITTLE_ENDIAN)
581 u16 cq_num_wqes;
582 u8 flags;
583#define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
584#define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
585#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
586#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
587#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
588#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
589#define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
590#define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
591 u8 cq_log_wqes_per_page;
592#endif
593#if defined(__BIG_ENDIAN)
594 u16 cq_num_pages;
595 u16 sq_num_pages;
596#elif defined(__LITTLE_ENDIAN)
597 u16 sq_num_pages;
598 u16 cq_num_pages;
599#endif
600#if defined(__BIG_ENDIAN)
601 u16 rq_buffer_size;
602 u16 rq_num_wqes;
603#elif defined(__LITTLE_ENDIAN)
604 u16 rq_num_wqes;
605 u16 rq_buffer_size;
606#endif
607};
608
609/*
610 * iSCSI firmware init request 2
611 */
612struct iscsi_kwqe_init2 {
613#if defined(__BIG_ENDIAN)
614 struct iscsi_kwqe_header hdr;
615 u16 max_cq_sqn;
616#elif defined(__LITTLE_ENDIAN)
617 u16 max_cq_sqn;
618 struct iscsi_kwqe_header hdr;
619#endif
620 u32 error_bit_map[2];
621 u32 reserved1[5];
622};
623
624/*
625 * Initial iSCSI connection offload request 1
626 */
627struct iscsi_kwqe_conn_offload1 {
628#if defined(__BIG_ENDIAN)
629 struct iscsi_kwqe_header hdr;
630 u16 iscsi_conn_id;
631#elif defined(__LITTLE_ENDIAN)
632 u16 iscsi_conn_id;
633 struct iscsi_kwqe_header hdr;
634#endif
635 u32 sq_page_table_addr_lo;
636 u32 sq_page_table_addr_hi;
637 u32 cq_page_table_addr_lo;
638 u32 cq_page_table_addr_hi;
639 u32 reserved0[3];
640};
641
642/*
643 * iSCSI Page Table Entry (PTE)
644 */
645struct iscsi_pte {
646 u32 hi;
647 u32 lo;
648};
649
650/*
651 * Initial iSCSI connection offload request 2
652 */
653struct iscsi_kwqe_conn_offload2 {
654#if defined(__BIG_ENDIAN)
655 struct iscsi_kwqe_header hdr;
656 u16 reserved0;
657#elif defined(__LITTLE_ENDIAN)
658 u16 reserved0;
659 struct iscsi_kwqe_header hdr;
660#endif
661 u32 rq_page_table_addr_lo;
662 u32 rq_page_table_addr_hi;
663 struct iscsi_pte sq_first_pte;
664 struct iscsi_pte cq_first_pte;
665 u32 num_additional_wqes;
666};
667
668
669/*
670 * Initial iSCSI connection offload request 3
671 */
672struct iscsi_kwqe_conn_offload3 {
673#if defined(__BIG_ENDIAN)
674 struct iscsi_kwqe_header hdr;
675 u16 reserved0;
676#elif defined(__LITTLE_ENDIAN)
677 u16 reserved0;
678 struct iscsi_kwqe_header hdr;
679#endif
680 u32 reserved1;
681 struct iscsi_pte qp_first_pte[3];
682};
683
684
685/*
686 * iSCSI connection update request
687 */
688struct iscsi_kwqe_conn_update {
689#if defined(__BIG_ENDIAN)
690 struct iscsi_kwqe_header hdr;
691 u16 reserved0;
692#elif defined(__LITTLE_ENDIAN)
693 u16 reserved0;
694 struct iscsi_kwqe_header hdr;
695#endif
696#if defined(__BIG_ENDIAN)
697 u8 session_error_recovery_level;
698 u8 max_outstanding_r2ts;
699 u8 reserved2;
700 u8 conn_flags;
701#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
702#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
703#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
704#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
705#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
706#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
707#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
708#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
709#define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0xF<<4)
710#define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 4
711#elif defined(__LITTLE_ENDIAN)
712 u8 conn_flags;
713#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
714#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
715#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
716#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
717#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
718#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
719#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
720#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
721#define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0xF<<4)
722#define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 4
723 u8 reserved2;
724 u8 max_outstanding_r2ts;
725 u8 session_error_recovery_level;
726#endif
727 u32 context_id;
728 u32 max_send_pdu_length;
729 u32 max_recv_pdu_length;
730 u32 first_burst_length;
731 u32 max_burst_length;
732 u32 exp_stat_sn;
733};
734
735/*
736 * iSCSI destroy connection request
737 */
738struct iscsi_kwqe_conn_destroy {
739#if defined(__BIG_ENDIAN)
740 struct iscsi_kwqe_header hdr;
741 u16 reserved0;
742#elif defined(__LITTLE_ENDIAN)
743 u16 reserved0;
744 struct iscsi_kwqe_header hdr;
745#endif
746 u32 context_id;
747 u32 reserved1[6];
748};
749
750/*
751 * iSCSI KWQ WQE
752 */
753union iscsi_kwqe {
754 struct iscsi_kwqe_init1 init1;
755 struct iscsi_kwqe_init2 init2;
756 struct iscsi_kwqe_conn_offload1 conn_offload1;
757 struct iscsi_kwqe_conn_offload2 conn_offload2;
758 struct iscsi_kwqe_conn_update conn_update;
759 struct iscsi_kwqe_conn_destroy conn_destroy;
760};
761
762/*
763 * iSCSI Login SQ WQE
764 */
765struct bnx2i_login_request {
766#if defined(__BIG_ENDIAN)
767 u8 op_code;
768 u8 op_attr;
769#define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
770#define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
771#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
772#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
773#define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
774#define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
775#define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
776#define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
777#define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
778#define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
779 u8 version_max;
780 u8 version_min;
781#elif defined(__LITTLE_ENDIAN)
782 u8 version_min;
783 u8 version_max;
784 u8 op_attr;
785#define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
786#define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
787#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
788#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
789#define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
790#define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
791#define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
792#define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
793#define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
794#define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
795 u8 op_code;
796#endif
797 u32 data_length;
798 u32 isid_lo;
799#if defined(__BIG_ENDIAN)
800 u16 isid_hi;
801 u16 tsih;
802#elif defined(__LITTLE_ENDIAN)
803 u16 tsih;
804 u16 isid_hi;
805#endif
806#if defined(__BIG_ENDIAN)
807 u16 reserved2;
808 u16 itt;
809#define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
810#define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
811#define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
812#define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
813#elif defined(__LITTLE_ENDIAN)
814 u16 itt;
815#define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
816#define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
817#define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
818#define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
819 u16 reserved2;
820#endif
821#if defined(__BIG_ENDIAN)
822 u16 cid;
823 u16 reserved3;
824#elif defined(__LITTLE_ENDIAN)
825 u16 reserved3;
826 u16 cid;
827#endif
828 u32 cmd_sn;
829 u32 exp_stat_sn;
830 u32 reserved4;
831 u32 resp_bd_list_addr_lo;
832 u32 resp_bd_list_addr_hi;
833 u32 resp_buffer;
834#define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
835#define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
836#define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS (0xFF<<24)
837#define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS_SHIFT 24
838#if defined(__BIG_ENDIAN)
839 u16 reserved8;
840 u8 reserved7;
841 u8 flags;
842#define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
843#define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
844#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
845#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
846#define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
847#define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
848#elif defined(__LITTLE_ENDIAN)
849 u8 flags;
850#define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
851#define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
852#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
853#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
854#define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
855#define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
856 u8 reserved7;
857 u16 reserved8;
858#endif
859 u32 bd_list_addr_lo;
860 u32 bd_list_addr_hi;
861#if defined(__BIG_ENDIAN)
862 u8 cq_index;
863 u8 reserved10;
864 u8 reserved9;
865 u8 num_bds;
866#elif defined(__LITTLE_ENDIAN)
867 u8 num_bds;
868 u8 reserved9;
869 u8 reserved10;
870 u8 cq_index;
871#endif
872};
873
874
875/*
876 * iSCSI Login CQE
877 */
878struct bnx2i_login_response {
879#if defined(__BIG_ENDIAN)
880 u8 op_code;
881 u8 response_flags;
882#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
883#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
884#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
885#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
886#define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
887#define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
888#define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
889#define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
890#define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
891#define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
892 u8 version_max;
893 u8 version_active;
894#elif defined(__LITTLE_ENDIAN)
895 u8 version_active;
896 u8 version_max;
897 u8 response_flags;
898#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
899#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
900#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
901#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
902#define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
903#define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
904#define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
905#define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
906#define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
907#define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
908 u8 op_code;
909#endif
910 u32 data_length;
911 u32 exp_cmd_sn;
912 u32 max_cmd_sn;
913 u32 reserved1[2];
914#if defined(__BIG_ENDIAN)
915 u16 reserved3;
916 u8 err_code;
917 u8 reserved2;
918#elif defined(__LITTLE_ENDIAN)
919 u8 reserved2;
920 u8 err_code;
921 u16 reserved3;
922#endif
923 u32 stat_sn;
924 u32 isid_lo;
925#if defined(__BIG_ENDIAN)
926 u16 isid_hi;
927 u16 tsih;
928#elif defined(__LITTLE_ENDIAN)
929 u16 tsih;
930 u16 isid_hi;
931#endif
932#if defined(__BIG_ENDIAN)
933 u8 status_class;
934 u8 status_detail;
935 u16 reserved4;
936#elif defined(__LITTLE_ENDIAN)
937 u16 reserved4;
938 u8 status_detail;
939 u8 status_class;
940#endif
941 u32 reserved5[3];
942#if defined(__BIG_ENDIAN)
943 u16 reserved6;
944 u16 itt;
945#define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
946#define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
947#define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
948#define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
949#elif defined(__LITTLE_ENDIAN)
950 u16 itt;
951#define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
952#define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
953#define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
954#define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
955 u16 reserved6;
956#endif
957 u32 cq_req_sn;
958};
959
960
961/*
962 * iSCSI Logout SQ WQE
963 */
964struct bnx2i_logout_request {
965#if defined(__BIG_ENDIAN)
966 u8 op_code;
967 u8 op_attr;
968#define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
969#define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
970#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
971#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
972 u16 reserved0;
973#elif defined(__LITTLE_ENDIAN)
974 u16 reserved0;
975 u8 op_attr;
976#define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
977#define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
978#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
979#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
980 u8 op_code;
981#endif
982 u32 data_length;
983 u32 reserved1[2];
984#if defined(__BIG_ENDIAN)
985 u16 reserved2;
986 u16 itt;
987#define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
988#define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
989#define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
990#define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
991#elif defined(__LITTLE_ENDIAN)
992 u16 itt;
993#define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
994#define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
995#define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
996#define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
997 u16 reserved2;
998#endif
999#if defined(__BIG_ENDIAN)
1000 u16 cid;
1001 u16 reserved3;
1002#elif defined(__LITTLE_ENDIAN)
1003 u16 reserved3;
1004 u16 cid;
1005#endif
1006 u32 cmd_sn;
1007 u32 reserved4[5];
1008 u32 zero_fill;
1009 u32 bd_list_addr_lo;
1010 u32 bd_list_addr_hi;
1011#if defined(__BIG_ENDIAN)
1012 u8 cq_index;
1013 u8 reserved6;
1014 u8 reserved5;
1015 u8 num_bds;
1016#elif defined(__LITTLE_ENDIAN)
1017 u8 num_bds;
1018 u8 reserved5;
1019 u8 reserved6;
1020 u8 cq_index;
1021#endif
1022};
1023
1024
1025/*
1026 * iSCSI Logout CQE
1027 */
1028struct bnx2i_logout_response {
1029#if defined(__BIG_ENDIAN)
1030 u8 op_code;
1031 u8 reserved1;
1032 u8 response;
1033 u8 reserved0;
1034#elif defined(__LITTLE_ENDIAN)
1035 u8 reserved0;
1036 u8 response;
1037 u8 reserved1;
1038 u8 op_code;
1039#endif
1040 u32 reserved2;
1041 u32 exp_cmd_sn;
1042 u32 max_cmd_sn;
1043 u32 reserved3[2];
1044#if defined(__BIG_ENDIAN)
1045 u16 reserved5;
1046 u8 err_code;
1047 u8 reserved4;
1048#elif defined(__LITTLE_ENDIAN)
1049 u8 reserved4;
1050 u8 err_code;
1051 u16 reserved5;
1052#endif
1053 u32 reserved6[3];
1054#if defined(__BIG_ENDIAN)
1055 u16 time_to_wait;
1056 u16 time_to_retain;
1057#elif defined(__LITTLE_ENDIAN)
1058 u16 time_to_retain;
1059 u16 time_to_wait;
1060#endif
1061 u32 reserved7[3];
1062#if defined(__BIG_ENDIAN)
1063 u16 reserved8;
1064 u16 itt;
1065#define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1066#define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1067#define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1068#define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1069#elif defined(__LITTLE_ENDIAN)
1070 u16 itt;
1071#define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1072#define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1073#define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1074#define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1075 u16 reserved8;
1076#endif
1077 u32 cq_req_sn;
1078};
1079
1080
1081/*
1082 * iSCSI Nop-In CQE
1083 */
1084struct bnx2i_nop_in_msg {
1085#if defined(__BIG_ENDIAN)
1086 u8 op_code;
1087 u8 reserved1;
1088 u16 reserved0;
1089#elif defined(__LITTLE_ENDIAN)
1090 u16 reserved0;
1091 u8 reserved1;
1092 u8 op_code;
1093#endif
1094 u32 data_length;
1095 u32 exp_cmd_sn;
1096 u32 max_cmd_sn;
1097 u32 ttt;
1098 u32 reserved2;
1099#if defined(__BIG_ENDIAN)
1100 u16 reserved4;
1101 u8 err_code;
1102 u8 reserved3;
1103#elif defined(__LITTLE_ENDIAN)
1104 u8 reserved3;
1105 u8 err_code;
1106 u16 reserved4;
1107#endif
1108 u32 reserved5;
1109 u32 lun[2];
1110 u32 reserved6[4];
1111#if defined(__BIG_ENDIAN)
1112 u16 reserved7;
1113 u16 itt;
1114#define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1115#define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1116#define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1117#define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1118#elif defined(__LITTLE_ENDIAN)
1119 u16 itt;
1120#define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1121#define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1122#define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1123#define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1124 u16 reserved7;
1125#endif
1126 u32 cq_req_sn;
1127};
1128
1129
1130/*
1131 * iSCSI NOP-OUT SQ WQE
1132 */
1133struct bnx2i_nop_out_request {
1134#if defined(__BIG_ENDIAN)
1135 u8 op_code;
1136 u8 op_attr;
1137#define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1138#define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1139#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1140#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1141 u16 reserved0;
1142#elif defined(__LITTLE_ENDIAN)
1143 u16 reserved0;
1144 u8 op_attr;
1145#define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1146#define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1147#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1148#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1149 u8 op_code;
1150#endif
1151 u32 data_length;
1152 u32 lun[2];
1153#if defined(__BIG_ENDIAN)
1154 u16 reserved2;
1155 u16 itt;
1156#define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1157#define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1158#define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1159#define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1160#elif defined(__LITTLE_ENDIAN)
1161 u16 itt;
1162#define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1163#define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1164#define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1165#define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1166 u16 reserved2;
1167#endif
1168 u32 ttt;
1169 u32 cmd_sn;
1170 u32 reserved3[2];
1171 u32 resp_bd_list_addr_lo;
1172 u32 resp_bd_list_addr_hi;
1173 u32 resp_buffer;
1174#define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1175#define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1176#define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1177#define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS_SHIFT 24
1178#if defined(__BIG_ENDIAN)
1179 u16 reserved7;
1180 u8 reserved6;
1181 u8 flags;
1182#define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1183#define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1184#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1185#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1186#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1187#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1188#elif defined(__LITTLE_ENDIAN)
1189 u8 flags;
1190#define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1191#define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1192#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1193#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1194#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1195#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1196 u8 reserved6;
1197 u16 reserved7;
1198#endif
1199 u32 bd_list_addr_lo;
1200 u32 bd_list_addr_hi;
1201#if defined(__BIG_ENDIAN)
1202 u8 cq_index;
1203 u8 reserved9;
1204 u8 reserved8;
1205 u8 num_bds;
1206#elif defined(__LITTLE_ENDIAN)
1207 u8 num_bds;
1208 u8 reserved8;
1209 u8 reserved9;
1210 u8 cq_index;
1211#endif
1212};
1213
1214/*
1215 * iSCSI Reject CQE
1216 */
1217struct bnx2i_reject_msg {
1218#if defined(__BIG_ENDIAN)
1219 u8 op_code;
1220 u8 reserved1;
1221 u8 reason;
1222 u8 reserved0;
1223#elif defined(__LITTLE_ENDIAN)
1224 u8 reserved0;
1225 u8 reason;
1226 u8 reserved1;
1227 u8 op_code;
1228#endif
1229 u32 data_length;
1230 u32 exp_cmd_sn;
1231 u32 max_cmd_sn;
1232 u32 reserved2[2];
1233#if defined(__BIG_ENDIAN)
1234 u16 reserved4;
1235 u8 err_code;
1236 u8 reserved3;
1237#elif defined(__LITTLE_ENDIAN)
1238 u8 reserved3;
1239 u8 err_code;
1240 u16 reserved4;
1241#endif
1242 u32 reserved5[8];
1243 u32 cq_req_sn;
1244};
1245
1246/*
1247 * bnx2i iSCSI TMF SQ WQE
1248 */
1249struct bnx2i_tmf_request {
1250#if defined(__BIG_ENDIAN)
1251 u8 op_code;
1252 u8 op_attr;
1253#define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1254#define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1255#define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1256#define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1257 u16 reserved0;
1258#elif defined(__LITTLE_ENDIAN)
1259 u16 reserved0;
1260 u8 op_attr;
1261#define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1262#define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1263#define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1264#define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1265 u8 op_code;
1266#endif
1267 u32 data_length;
1268 u32 lun[2];
1269#if defined(__BIG_ENDIAN)
1270 u16 reserved1;
1271 u16 itt;
1272#define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1273#define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1274#define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1275#define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1276#elif defined(__LITTLE_ENDIAN)
1277 u16 itt;
1278#define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1279#define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1280#define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1281#define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1282 u16 reserved1;
1283#endif
1284 u32 ref_itt;
1285 u32 cmd_sn;
1286 u32 reserved2;
1287 u32 ref_cmd_sn;
1288 u32 reserved3[3];
1289 u32 zero_fill;
1290 u32 bd_list_addr_lo;
1291 u32 bd_list_addr_hi;
1292#if defined(__BIG_ENDIAN)
1293 u8 cq_index;
1294 u8 reserved5;
1295 u8 reserved4;
1296 u8 num_bds;
1297#elif defined(__LITTLE_ENDIAN)
1298 u8 num_bds;
1299 u8 reserved4;
1300 u8 reserved5;
1301 u8 cq_index;
1302#endif
1303};
1304
1305/*
1306 * iSCSI Text SQ WQE
1307 */
1308struct bnx2i_text_request {
1309#if defined(__BIG_ENDIAN)
1310 u8 op_code;
1311 u8 op_attr;
1312#define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1313#define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1314#define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1315#define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1316#define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1317#define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1318 u16 reserved0;
1319#elif defined(__LITTLE_ENDIAN)
1320 u16 reserved0;
1321 u8 op_attr;
1322#define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1323#define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1324#define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1325#define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1326#define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1327#define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1328 u8 op_code;
1329#endif
1330 u32 data_length;
1331 u32 lun[2];
1332#if defined(__BIG_ENDIAN)
1333 u16 reserved3;
1334 u16 itt;
1335#define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1336#define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1337#define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1338#define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1339#elif defined(__LITTLE_ENDIAN)
1340 u16 itt;
1341#define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1342#define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1343#define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1344#define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1345 u16 reserved3;
1346#endif
1347 u32 ttt;
1348 u32 cmd_sn;
1349 u32 reserved4[2];
1350 u32 resp_bd_list_addr_lo;
1351 u32 resp_bd_list_addr_hi;
1352 u32 resp_buffer;
1353#define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1354#define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1355#define ISCSI_TEXT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1356#define ISCSI_TEXT_REQUEST_NUM_RESP_BDS_SHIFT 24
1357 u32 zero_fill;
1358 u32 bd_list_addr_lo;
1359 u32 bd_list_addr_hi;
1360#if defined(__BIG_ENDIAN)
1361 u8 cq_index;
1362 u8 reserved7;
1363 u8 reserved6;
1364 u8 num_bds;
1365#elif defined(__LITTLE_ENDIAN)
1366 u8 num_bds;
1367 u8 reserved6;
1368 u8 reserved7;
1369 u8 cq_index;
1370#endif
1371};
1372
1373/*
1374 * iSCSI SQ WQE
1375 */
1376union iscsi_request {
1377 struct bnx2i_cmd_request cmd;
1378 struct bnx2i_tmf_request tmf;
1379 struct bnx2i_nop_out_request nop_out;
1380 struct bnx2i_login_request login_req;
1381 struct bnx2i_text_request text;
1382 struct bnx2i_logout_request logout_req;
1383 struct bnx2i_cleanup_request cleanup;
1384};
1385
1386
1387/*
1388 * iSCSI TMF CQE
1389 */
1390struct bnx2i_tmf_response {
1391#if defined(__BIG_ENDIAN)
1392 u8 op_code;
1393 u8 reserved1;
1394 u8 response;
1395 u8 reserved0;
1396#elif defined(__LITTLE_ENDIAN)
1397 u8 reserved0;
1398 u8 response;
1399 u8 reserved1;
1400 u8 op_code;
1401#endif
1402 u32 reserved2;
1403 u32 exp_cmd_sn;
1404 u32 max_cmd_sn;
1405 u32 reserved3[2];
1406#if defined(__BIG_ENDIAN)
1407 u16 reserved5;
1408 u8 err_code;
1409 u8 reserved4;
1410#elif defined(__LITTLE_ENDIAN)
1411 u8 reserved4;
1412 u8 err_code;
1413 u16 reserved5;
1414#endif
1415 u32 reserved6[7];
1416#if defined(__BIG_ENDIAN)
1417 u16 reserved7;
1418 u16 itt;
1419#define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1420#define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1421#define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1422#define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1423#elif defined(__LITTLE_ENDIAN)
1424 u16 itt;
1425#define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1426#define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1427#define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1428#define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1429 u16 reserved7;
1430#endif
1431 u32 cq_req_sn;
1432};
1433
1434/*
1435 * iSCSI Text CQE
1436 */
1437struct bnx2i_text_response {
1438#if defined(__BIG_ENDIAN)
1439 u8 op_code;
1440 u8 response_flags;
1441#define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1442#define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1443#define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1444#define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1445#define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1446#define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1447 u16 reserved0;
1448#elif defined(__LITTLE_ENDIAN)
1449 u16 reserved0;
1450 u8 response_flags;
1451#define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1452#define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1453#define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1454#define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1455#define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1456#define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1457 u8 op_code;
1458#endif
1459 u32 data_length;
1460 u32 exp_cmd_sn;
1461 u32 max_cmd_sn;
1462 u32 ttt;
1463 u32 reserved2;
1464#if defined(__BIG_ENDIAN)
1465 u16 reserved4;
1466 u8 err_code;
1467 u8 reserved3;
1468#elif defined(__LITTLE_ENDIAN)
1469 u8 reserved3;
1470 u8 err_code;
1471 u16 reserved4;
1472#endif
1473 u32 reserved5;
1474 u32 lun[2];
1475 u32 reserved6[4];
1476#if defined(__BIG_ENDIAN)
1477 u16 reserved7;
1478 u16 itt;
1479#define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1480#define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1481#define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1482#define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1483#elif defined(__LITTLE_ENDIAN)
1484 u16 itt;
1485#define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1486#define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1487#define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1488#define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1489 u16 reserved7;
1490#endif
1491 u32 cq_req_sn;
1492};
1493
1494/*
1495 * iSCSI CQE
1496 */
1497union iscsi_response {
1498 struct bnx2i_cmd_response cmd;
1499 struct bnx2i_tmf_response tmf;
1500 struct bnx2i_login_response login_resp;
1501 struct bnx2i_text_response text;
1502 struct bnx2i_logout_response logout_resp;
1503 struct bnx2i_cleanup_response cleanup;
1504 struct bnx2i_reject_msg reject;
1505 struct bnx2i_async_msg async;
1506 struct bnx2i_nop_in_msg nop_in;
1507};
1508
1509#endif /* __57XX_ISCSI_HSI_LINUX_LE__ */