1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33 #ifndef __ISCSI_COMMON__
34 #define __ISCSI_COMMON__
35
36
37
38
39
40
41 #define ISCSI_DEFAULT_MTU (1500)
42
43
44 #define ISCSI_SLOW_PATH_LAYER_CODE (6)
45
46
47 #define ISCSI_DEFAULT_HEADER_DIGEST (0)
48 #define ISCSI_DEFAULT_DATA_DIGEST (0)
49 #define ISCSI_DEFAULT_INITIAL_R2T (1)
50 #define ISCSI_DEFAULT_IMMEDIATE_DATA (1)
51 #define ISCSI_DEFAULT_MAX_PDU_LENGTH (0x2000)
52 #define ISCSI_DEFAULT_FIRST_BURST_LENGTH (0x10000)
53 #define ISCSI_DEFAULT_MAX_BURST_LENGTH (0x40000)
54 #define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1)
55
56
57 #define ISCSI_MIN_VAL_MAX_PDU_LENGTH (0x200)
58 #define ISCSI_MAX_VAL_MAX_PDU_LENGTH (0xffffff)
59 #define ISCSI_MIN_VAL_BURST_LENGTH (0x200)
60 #define ISCSI_MAX_VAL_BURST_LENGTH (0xffffff)
61 #define ISCSI_MIN_VAL_MAX_OUTSTANDING_R2T (1)
62 #define ISCSI_MAX_VAL_MAX_OUTSTANDING_R2T (0xff)
63
64 #define ISCSI_AHS_CNTL_SIZE 4
65
66 #define ISCSI_WQE_NUM_SGES_SLOWIO (0xf)
67
68
69 #define ISCSI_ITT_ALL_ONES (0xffffffff)
70 #define ISCSI_TTT_ALL_ONES (0xffffffff)
71
72 #define ISCSI_OPTION_1_OFF_CHIP_TCP 1
73 #define ISCSI_OPTION_2_ON_CHIP_TCP 2
74
75 #define ISCSI_INITIATOR_MODE 0
76 #define ISCSI_TARGET_MODE 1
77
78
79 #define ISCSI_OPCODE_NOP_OUT (0)
80 #define ISCSI_OPCODE_SCSI_CMD (1)
81 #define ISCSI_OPCODE_TMF_REQUEST (2)
82 #define ISCSI_OPCODE_LOGIN_REQUEST (3)
83 #define ISCSI_OPCODE_TEXT_REQUEST (4)
84 #define ISCSI_OPCODE_DATA_OUT (5)
85 #define ISCSI_OPCODE_LOGOUT_REQUEST (6)
86
87
88 #define ISCSI_OPCODE_NOP_IN (0x20)
89 #define ISCSI_OPCODE_SCSI_RESPONSE (0x21)
90 #define ISCSI_OPCODE_TMF_RESPONSE (0x22)
91 #define ISCSI_OPCODE_LOGIN_RESPONSE (0x23)
92 #define ISCSI_OPCODE_TEXT_RESPONSE (0x24)
93 #define ISCSI_OPCODE_DATA_IN (0x25)
94 #define ISCSI_OPCODE_LOGOUT_RESPONSE (0x26)
95 #define ISCSI_OPCODE_R2T (0x31)
96 #define ISCSI_OPCODE_ASYNC_MSG (0x32)
97 #define ISCSI_OPCODE_REJECT (0x3f)
98
99
100 #define ISCSI_STAGE_SECURITY_NEGOTIATION (0)
101 #define ISCSI_STAGE_LOGIN_OPERATIONAL_NEGOTIATION (1)
102 #define ISCSI_STAGE_FULL_FEATURE_PHASE (3)
103
104
105 #define CQE_ERROR_BITMAP_DATA_DIGEST (0x08)
106 #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN (0x10)
107 #define CQE_ERROR_BITMAP_DATA_TRUNCATED (0x20)
108
109
110 union bd_opaque_tq_union {
111 __le16 bd_opaque;
112 __le16 tq_tid;
113 };
114
115
116 struct cqe_error_bitmap {
117 u8 cqe_error_status_bits;
118 #define CQE_ERROR_BITMAP_DIF_ERR_BITS_MASK 0x7
119 #define CQE_ERROR_BITMAP_DIF_ERR_BITS_SHIFT 0
120 #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_MASK 0x1
121 #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_SHIFT 3
122 #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_MASK 0x1
123 #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_SHIFT 4
124 #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_MASK 0x1
125 #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_SHIFT 5
126 #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_MASK 0x1
127 #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_SHIFT 6
128 #define CQE_ERROR_BITMAP_RESERVED2_MASK 0x1
129 #define CQE_ERROR_BITMAP_RESERVED2_SHIFT 7
130 };
131
132 union cqe_error_status {
133 u8 error_status;
134 struct cqe_error_bitmap error_bits;
135 };
136
137
138 struct data_hdr {
139 __le32 data[12];
140 };
141
142 struct lun_mapper_addr_reserved {
143 struct regpair lun_mapper_addr;
144 u8 reserved0[8];
145 };
146
147
148 struct dif_on_immediate_params {
149 __le32 initial_ref_tag;
150 __le16 application_tag;
151 __le16 application_tag_mask;
152 __le16 flags1;
153 #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_GUARD_MASK 0x1
154 #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_GUARD_SHIFT 0
155 #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_APP_TAG_MASK 0x1
156 #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_APP_TAG_SHIFT 1
157 #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_REF_TAG_MASK 0x1
158 #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_REF_TAG_SHIFT 2
159 #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_GUARD_MASK 0x1
160 #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_GUARD_SHIFT 3
161 #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_MASK 0x1
162 #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_SHIFT 4
163 #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_MASK 0x1
164 #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_SHIFT 5
165 #define DIF_ON_IMMEDIATE_PARAMS_INTERVAL_SIZE_MASK 0x1
166 #define DIF_ON_IMMEDIATE_PARAMS_INTERVAL_SIZE_SHIFT 6
167 #define DIF_ON_IMMEDIATE_PARAMS_NETWORK_INTERFACE_MASK 0x1
168 #define DIF_ON_IMMEDIATE_PARAMS_NETWORK_INTERFACE_SHIFT 7
169 #define DIF_ON_IMMEDIATE_PARAMS_HOST_INTERFACE_MASK 0x3
170 #define DIF_ON_IMMEDIATE_PARAMS_HOST_INTERFACE_SHIFT 8
171 #define DIF_ON_IMMEDIATE_PARAMS_REF_TAG_MASK_MASK 0xF
172 #define DIF_ON_IMMEDIATE_PARAMS_REF_TAG_MASK_SHIFT 10
173 #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_WITH_MASK_MASK 0x1
174 #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_WITH_MASK_SHIFT 14
175 #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_WITH_MASK_MASK 0x1
176 #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_WITH_MASK_SHIFT 15
177 u8 flags0;
178 #define DIF_ON_IMMEDIATE_PARAMS_RESERVED_MASK 0x1
179 #define DIF_ON_IMMEDIATE_PARAMS_RESERVED_SHIFT 0
180 #define DIF_ON_IMMEDIATE_PARAMS_IGNORE_APP_TAG_MASK 0x1
181 #define DIF_ON_IMMEDIATE_PARAMS_IGNORE_APP_TAG_SHIFT 1
182 #define DIF_ON_IMMEDIATE_PARAMS_INITIAL_REF_TAG_IS_VALID_MASK 0x1
183 #define DIF_ON_IMMEDIATE_PARAMS_INITIAL_REF_TAG_IS_VALID_SHIFT 2
184 #define DIF_ON_IMMEDIATE_PARAMS_HOST_GUARD_TYPE_MASK 0x1
185 #define DIF_ON_IMMEDIATE_PARAMS_HOST_GUARD_TYPE_SHIFT 3
186 #define DIF_ON_IMMEDIATE_PARAMS_PROTECTION_TYPE_MASK 0x3
187 #define DIF_ON_IMMEDIATE_PARAMS_PROTECTION_TYPE_SHIFT 4
188 #define DIF_ON_IMMEDIATE_PARAMS_CRC_SEED_MASK 0x1
189 #define DIF_ON_IMMEDIATE_PARAMS_CRC_SEED_SHIFT 6
190 #define DIF_ON_IMMEDIATE_PARAMS_KEEP_REF_TAG_CONST_MASK 0x1
191 #define DIF_ON_IMMEDIATE_PARAMS_KEEP_REF_TAG_CONST_SHIFT 7
192 u8 reserved_zero[5];
193 };
194
195
196 union dif_configuration_params {
197 struct lun_mapper_addr_reserved lun_mapper_address;
198 struct dif_on_immediate_params def_dif_conf;
199 };
200
201
202 union iscsi_seq_num {
203 __le16 data_sn;
204 __le16 r2t_sn;
205 };
206
207
208 struct iscsi_dif_flags {
209 u8 flags;
210 #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_MASK 0xF
211 #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_SHIFT 0
212 #define ISCSI_DIF_FLAGS_DIF_TO_PEER_MASK 0x1
213 #define ISCSI_DIF_FLAGS_DIF_TO_PEER_SHIFT 4
214 #define ISCSI_DIF_FLAGS_HOST_INTERFACE_MASK 0x7
215 #define ISCSI_DIF_FLAGS_HOST_INTERFACE_SHIFT 5
216 };
217
218
219 struct ystorm_iscsi_task_state {
220 struct scsi_cached_sges data_desc;
221 struct scsi_sgl_params sgl_params;
222 __le32 exp_r2t_sn;
223 __le32 buffer_offset;
224 union iscsi_seq_num seq_num;
225 struct iscsi_dif_flags dif_flags;
226 u8 flags;
227 #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_MASK 0x1
228 #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_SHIFT 0
229 #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_MASK 0x1
230 #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_SHIFT 1
231 #define YSTORM_ISCSI_TASK_STATE_SET_DIF_OFFSET_MASK 0x1
232 #define YSTORM_ISCSI_TASK_STATE_SET_DIF_OFFSET_SHIFT 2
233 #define YSTORM_ISCSI_TASK_STATE_RESERVED0_MASK 0x1F
234 #define YSTORM_ISCSI_TASK_STATE_RESERVED0_SHIFT 3
235 };
236
237
238 struct ystorm_iscsi_task_rxmit_opt {
239 __le32 fast_rxmit_sge_offset;
240 __le32 scan_start_buffer_offset;
241 __le32 fast_rxmit_buffer_offset;
242 u8 scan_start_sgl_index;
243 u8 fast_rxmit_sgl_index;
244 __le16 reserved;
245 };
246
247
248 struct iscsi_common_hdr {
249 u8 hdr_status;
250 u8 hdr_response;
251 u8 hdr_flags;
252 u8 hdr_first_byte;
253 #define ISCSI_COMMON_HDR_OPCODE_MASK 0x3F
254 #define ISCSI_COMMON_HDR_OPCODE_SHIFT 0
255 #define ISCSI_COMMON_HDR_IMM_MASK 0x1
256 #define ISCSI_COMMON_HDR_IMM_SHIFT 6
257 #define ISCSI_COMMON_HDR_RSRV_MASK 0x1
258 #define ISCSI_COMMON_HDR_RSRV_SHIFT 7
259 __le32 hdr_second_dword;
260 #define ISCSI_COMMON_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
261 #define ISCSI_COMMON_HDR_DATA_SEG_LEN_SHIFT 0
262 #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_MASK 0xFF
263 #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_SHIFT 24
264 struct regpair lun_reserved;
265 __le32 itt;
266 __le32 ttt;
267 __le32 cmdstat_sn;
268 __le32 exp_statcmd_sn;
269 __le32 max_cmd_sn;
270 __le32 data[3];
271 };
272
273
274 struct iscsi_cmd_hdr {
275 __le16 reserved1;
276 u8 flags_attr;
277 #define ISCSI_CMD_HDR_ATTR_MASK 0x7
278 #define ISCSI_CMD_HDR_ATTR_SHIFT 0
279 #define ISCSI_CMD_HDR_RSRV_MASK 0x3
280 #define ISCSI_CMD_HDR_RSRV_SHIFT 3
281 #define ISCSI_CMD_HDR_WRITE_MASK 0x1
282 #define ISCSI_CMD_HDR_WRITE_SHIFT 5
283 #define ISCSI_CMD_HDR_READ_MASK 0x1
284 #define ISCSI_CMD_HDR_READ_SHIFT 6
285 #define ISCSI_CMD_HDR_FINAL_MASK 0x1
286 #define ISCSI_CMD_HDR_FINAL_SHIFT 7
287 u8 hdr_first_byte;
288 #define ISCSI_CMD_HDR_OPCODE_MASK 0x3F
289 #define ISCSI_CMD_HDR_OPCODE_SHIFT 0
290 #define ISCSI_CMD_HDR_IMM_MASK 0x1
291 #define ISCSI_CMD_HDR_IMM_SHIFT 6
292 #define ISCSI_CMD_HDR_RSRV1_MASK 0x1
293 #define ISCSI_CMD_HDR_RSRV1_SHIFT 7
294 __le32 hdr_second_dword;
295 #define ISCSI_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
296 #define ISCSI_CMD_HDR_DATA_SEG_LEN_SHIFT 0
297 #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_MASK 0xFF
298 #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_SHIFT 24
299 struct regpair lun;
300 __le32 itt;
301 __le32 expected_transfer_length;
302 __le32 cmd_sn;
303 __le32 exp_stat_sn;
304 __le32 cdb[4];
305 };
306
307
308 struct iscsi_ext_cdb_cmd_hdr {
309 __le16 reserved1;
310 u8 flags_attr;
311 #define ISCSI_EXT_CDB_CMD_HDR_ATTR_MASK 0x7
312 #define ISCSI_EXT_CDB_CMD_HDR_ATTR_SHIFT 0
313 #define ISCSI_EXT_CDB_CMD_HDR_RSRV_MASK 0x3
314 #define ISCSI_EXT_CDB_CMD_HDR_RSRV_SHIFT 3
315 #define ISCSI_EXT_CDB_CMD_HDR_WRITE_MASK 0x1
316 #define ISCSI_EXT_CDB_CMD_HDR_WRITE_SHIFT 5
317 #define ISCSI_EXT_CDB_CMD_HDR_READ_MASK 0x1
318 #define ISCSI_EXT_CDB_CMD_HDR_READ_SHIFT 6
319 #define ISCSI_EXT_CDB_CMD_HDR_FINAL_MASK 0x1
320 #define ISCSI_EXT_CDB_CMD_HDR_FINAL_SHIFT 7
321 u8 opcode;
322 __le32 hdr_second_dword;
323 #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
324 #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_SHIFT 0
325 #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_MASK 0xFF
326 #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_SHIFT 24
327 struct regpair lun;
328 __le32 itt;
329 __le32 expected_transfer_length;
330 __le32 cmd_sn;
331 __le32 exp_stat_sn;
332 struct scsi_sge cdb_sge;
333 };
334
335
336 struct iscsi_login_req_hdr {
337 u8 version_min;
338 u8 version_max;
339 u8 flags_attr;
340 #define ISCSI_LOGIN_REQ_HDR_NSG_MASK 0x3
341 #define ISCSI_LOGIN_REQ_HDR_NSG_SHIFT 0
342 #define ISCSI_LOGIN_REQ_HDR_CSG_MASK 0x3
343 #define ISCSI_LOGIN_REQ_HDR_CSG_SHIFT 2
344 #define ISCSI_LOGIN_REQ_HDR_RSRV_MASK 0x3
345 #define ISCSI_LOGIN_REQ_HDR_RSRV_SHIFT 4
346 #define ISCSI_LOGIN_REQ_HDR_C_MASK 0x1
347 #define ISCSI_LOGIN_REQ_HDR_C_SHIFT 6
348 #define ISCSI_LOGIN_REQ_HDR_T_MASK 0x1
349 #define ISCSI_LOGIN_REQ_HDR_T_SHIFT 7
350 u8 opcode;
351 __le32 hdr_second_dword;
352 #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
353 #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_SHIFT 0
354 #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_MASK 0xFF
355 #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_SHIFT 24
356 __le32 isid_tabc;
357 __le16 tsih;
358 __le16 isid_d;
359 __le32 itt;
360 __le16 reserved1;
361 __le16 cid;
362 __le32 cmd_sn;
363 __le32 exp_stat_sn;
364 __le32 reserved2[4];
365 };
366
367
368 struct iscsi_logout_req_hdr {
369 __le16 reserved0;
370 u8 reason_code;
371 u8 opcode;
372 __le32 reserved1;
373 __le32 reserved2[2];
374 __le32 itt;
375 __le16 reserved3;
376 __le16 cid;
377 __le32 cmd_sn;
378 __le32 exp_stat_sn;
379 __le32 reserved4[4];
380 };
381
382
383 struct iscsi_data_out_hdr {
384 __le16 reserved1;
385 u8 flags_attr;
386 #define ISCSI_DATA_OUT_HDR_RSRV_MASK 0x7F
387 #define ISCSI_DATA_OUT_HDR_RSRV_SHIFT 0
388 #define ISCSI_DATA_OUT_HDR_FINAL_MASK 0x1
389 #define ISCSI_DATA_OUT_HDR_FINAL_SHIFT 7
390 u8 opcode;
391 __le32 reserved2;
392 struct regpair lun;
393 __le32 itt;
394 __le32 ttt;
395 __le32 reserved3;
396 __le32 exp_stat_sn;
397 __le32 reserved4;
398 __le32 data_sn;
399 __le32 buffer_offset;
400 __le32 reserved5;
401 };
402
403
404 struct iscsi_data_in_hdr {
405 u8 status_rsvd;
406 u8 reserved1;
407 u8 flags;
408 #define ISCSI_DATA_IN_HDR_STATUS_MASK 0x1
409 #define ISCSI_DATA_IN_HDR_STATUS_SHIFT 0
410 #define ISCSI_DATA_IN_HDR_UNDERFLOW_MASK 0x1
411 #define ISCSI_DATA_IN_HDR_UNDERFLOW_SHIFT 1
412 #define ISCSI_DATA_IN_HDR_OVERFLOW_MASK 0x1
413 #define ISCSI_DATA_IN_HDR_OVERFLOW_SHIFT 2
414 #define ISCSI_DATA_IN_HDR_RSRV_MASK 0x7
415 #define ISCSI_DATA_IN_HDR_RSRV_SHIFT 3
416 #define ISCSI_DATA_IN_HDR_ACK_MASK 0x1
417 #define ISCSI_DATA_IN_HDR_ACK_SHIFT 6
418 #define ISCSI_DATA_IN_HDR_FINAL_MASK 0x1
419 #define ISCSI_DATA_IN_HDR_FINAL_SHIFT 7
420 u8 opcode;
421 __le32 reserved2;
422 struct regpair lun;
423 __le32 itt;
424 __le32 ttt;
425 __le32 stat_sn;
426 __le32 exp_cmd_sn;
427 __le32 max_cmd_sn;
428 __le32 data_sn;
429 __le32 buffer_offset;
430 __le32 residual_count;
431 };
432
433
434 struct iscsi_r2t_hdr {
435 u8 reserved0[3];
436 u8 opcode;
437 __le32 reserved2;
438 struct regpair lun;
439 __le32 itt;
440 __le32 ttt;
441 __le32 stat_sn;
442 __le32 exp_cmd_sn;
443 __le32 max_cmd_sn;
444 __le32 r2t_sn;
445 __le32 buffer_offset;
446 __le32 desired_data_trns_len;
447 };
448
449
450 struct iscsi_nop_out_hdr {
451 __le16 reserved1;
452 u8 flags_attr;
453 #define ISCSI_NOP_OUT_HDR_RSRV_MASK 0x7F
454 #define ISCSI_NOP_OUT_HDR_RSRV_SHIFT 0
455 #define ISCSI_NOP_OUT_HDR_CONST1_MASK 0x1
456 #define ISCSI_NOP_OUT_HDR_CONST1_SHIFT 7
457 u8 opcode;
458 __le32 reserved2;
459 struct regpair lun;
460 __le32 itt;
461 __le32 ttt;
462 __le32 cmd_sn;
463 __le32 exp_stat_sn;
464 __le32 reserved3;
465 __le32 reserved4;
466 __le32 reserved5;
467 __le32 reserved6;
468 };
469
470
471 struct iscsi_nop_in_hdr {
472 __le16 reserved0;
473 u8 flags_attr;
474 #define ISCSI_NOP_IN_HDR_RSRV_MASK 0x7F
475 #define ISCSI_NOP_IN_HDR_RSRV_SHIFT 0
476 #define ISCSI_NOP_IN_HDR_CONST1_MASK 0x1
477 #define ISCSI_NOP_IN_HDR_CONST1_SHIFT 7
478 u8 opcode;
479 __le32 hdr_second_dword;
480 #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
481 #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_SHIFT 0
482 #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_MASK 0xFF
483 #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_SHIFT 24
484 struct regpair lun;
485 __le32 itt;
486 __le32 ttt;
487 __le32 stat_sn;
488 __le32 exp_cmd_sn;
489 __le32 max_cmd_sn;
490 __le32 reserved5;
491 __le32 reserved6;
492 __le32 reserved7;
493 };
494
495
496 struct iscsi_login_response_hdr {
497 u8 version_active;
498 u8 version_max;
499 u8 flags_attr;
500 #define ISCSI_LOGIN_RESPONSE_HDR_NSG_MASK 0x3
501 #define ISCSI_LOGIN_RESPONSE_HDR_NSG_SHIFT 0
502 #define ISCSI_LOGIN_RESPONSE_HDR_CSG_MASK 0x3
503 #define ISCSI_LOGIN_RESPONSE_HDR_CSG_SHIFT 2
504 #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_MASK 0x3
505 #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_SHIFT 4
506 #define ISCSI_LOGIN_RESPONSE_HDR_C_MASK 0x1
507 #define ISCSI_LOGIN_RESPONSE_HDR_C_SHIFT 6
508 #define ISCSI_LOGIN_RESPONSE_HDR_T_MASK 0x1
509 #define ISCSI_LOGIN_RESPONSE_HDR_T_SHIFT 7
510 u8 opcode;
511 __le32 hdr_second_dword;
512 #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
513 #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0
514 #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF
515 #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24
516 __le32 isid_tabc;
517 __le16 tsih;
518 __le16 isid_d;
519 __le32 itt;
520 __le32 reserved1;
521 __le32 stat_sn;
522 __le32 exp_cmd_sn;
523 __le32 max_cmd_sn;
524 __le16 reserved2;
525 u8 status_detail;
526 u8 status_class;
527 __le32 reserved4[2];
528 };
529
530
531 struct iscsi_logout_response_hdr {
532 u8 reserved1;
533 u8 response;
534 u8 flags;
535 u8 opcode;
536 __le32 hdr_second_dword;
537 #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
538 #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0
539 #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF
540 #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24
541 __le32 reserved2[2];
542 __le32 itt;
543 __le32 reserved3;
544 __le32 stat_sn;
545 __le32 exp_cmd_sn;
546 __le32 max_cmd_sn;
547 __le32 reserved4;
548 __le16 time_2_retain;
549 __le16 time_2_wait;
550 __le32 reserved5[1];
551 };
552
553
554 struct iscsi_text_request_hdr {
555 __le16 reserved0;
556 u8 flags_attr;
557 #define ISCSI_TEXT_REQUEST_HDR_RSRV_MASK 0x3F
558 #define ISCSI_TEXT_REQUEST_HDR_RSRV_SHIFT 0
559 #define ISCSI_TEXT_REQUEST_HDR_C_MASK 0x1
560 #define ISCSI_TEXT_REQUEST_HDR_C_SHIFT 6
561 #define ISCSI_TEXT_REQUEST_HDR_F_MASK 0x1
562 #define ISCSI_TEXT_REQUEST_HDR_F_SHIFT 7
563 u8 opcode;
564 __le32 hdr_second_dword;
565 #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
566 #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0
567 #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF
568 #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24
569 struct regpair lun;
570 __le32 itt;
571 __le32 ttt;
572 __le32 cmd_sn;
573 __le32 exp_stat_sn;
574 __le32 reserved4[4];
575 };
576
577
578 struct iscsi_text_response_hdr {
579 __le16 reserved1;
580 u8 flags;
581 #define ISCSI_TEXT_RESPONSE_HDR_RSRV_MASK 0x3F
582 #define ISCSI_TEXT_RESPONSE_HDR_RSRV_SHIFT 0
583 #define ISCSI_TEXT_RESPONSE_HDR_C_MASK 0x1
584 #define ISCSI_TEXT_RESPONSE_HDR_C_SHIFT 6
585 #define ISCSI_TEXT_RESPONSE_HDR_F_MASK 0x1
586 #define ISCSI_TEXT_RESPONSE_HDR_F_SHIFT 7
587 u8 opcode;
588 __le32 hdr_second_dword;
589 #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
590 #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0
591 #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF
592 #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24
593 struct regpair lun;
594 __le32 itt;
595 __le32 ttt;
596 __le32 stat_sn;
597 __le32 exp_cmd_sn;
598 __le32 max_cmd_sn;
599 __le32 reserved4[3];
600 };
601
602
603 struct iscsi_tmf_request_hdr {
604 __le16 reserved0;
605 u8 function;
606 u8 opcode;
607 __le32 hdr_second_dword;
608 #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
609 #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0
610 #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF
611 #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24
612 struct regpair lun;
613 __le32 itt;
614 __le32 rtt;
615 __le32 cmd_sn;
616 __le32 exp_stat_sn;
617 __le32 ref_cmd_sn;
618 __le32 exp_data_sn;
619 __le32 reserved4[2];
620 };
621
622 struct iscsi_tmf_response_hdr {
623 u8 reserved2;
624 u8 hdr_response;
625 u8 hdr_flags;
626 u8 opcode;
627 __le32 hdr_second_dword;
628 #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
629 #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0
630 #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF
631 #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24
632 struct regpair reserved0;
633 __le32 itt;
634 __le32 reserved1;
635 __le32 stat_sn;
636 __le32 exp_cmd_sn;
637 __le32 max_cmd_sn;
638 __le32 reserved4[3];
639 };
640
641
642 struct iscsi_response_hdr {
643 u8 hdr_status;
644 u8 hdr_response;
645 u8 hdr_flags;
646 u8 opcode;
647 __le32 hdr_second_dword;
648 #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
649 #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0
650 #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF
651 #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24
652 struct regpair lun;
653 __le32 itt;
654 __le32 snack_tag;
655 __le32 stat_sn;
656 __le32 exp_cmd_sn;
657 __le32 max_cmd_sn;
658 __le32 exp_data_sn;
659 __le32 bi_residual_count;
660 __le32 residual_count;
661 };
662
663
664 struct iscsi_reject_hdr {
665 u8 reserved4;
666 u8 hdr_reason;
667 u8 hdr_flags;
668 u8 opcode;
669 __le32 hdr_second_dword;
670 #define ISCSI_REJECT_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
671 #define ISCSI_REJECT_HDR_DATA_SEG_LEN_SHIFT 0
672 #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_MASK 0xFF
673 #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_SHIFT 24
674 struct regpair reserved0;
675 __le32 all_ones;
676 __le32 reserved2;
677 __le32 stat_sn;
678 __le32 exp_cmd_sn;
679 __le32 max_cmd_sn;
680 __le32 data_sn;
681 __le32 reserved3[2];
682 };
683
684
685 struct iscsi_async_msg_hdr {
686 __le16 reserved0;
687 u8 flags_attr;
688 #define ISCSI_ASYNC_MSG_HDR_RSRV_MASK 0x7F
689 #define ISCSI_ASYNC_MSG_HDR_RSRV_SHIFT 0
690 #define ISCSI_ASYNC_MSG_HDR_CONST1_MASK 0x1
691 #define ISCSI_ASYNC_MSG_HDR_CONST1_SHIFT 7
692 u8 opcode;
693 __le32 hdr_second_dword;
694 #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_MASK 0xFFFFFF
695 #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_SHIFT 0
696 #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_MASK 0xFF
697 #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_SHIFT 24
698 struct regpair lun;
699 __le32 all_ones;
700 __le32 reserved1;
701 __le32 stat_sn;
702 __le32 exp_cmd_sn;
703 __le32 max_cmd_sn;
704 __le16 param1_rsrv;
705 u8 async_vcode;
706 u8 async_event;
707 __le16 param3_rsrv;
708 __le16 param2_rsrv;
709 __le32 reserved7;
710 };
711
712
713 union iscsi_task_hdr {
714 struct iscsi_common_hdr common;
715 struct data_hdr data;
716 struct iscsi_cmd_hdr cmd;
717 struct iscsi_ext_cdb_cmd_hdr ext_cdb_cmd;
718 struct iscsi_login_req_hdr login_req;
719 struct iscsi_logout_req_hdr logout_req;
720 struct iscsi_data_out_hdr data_out;
721 struct iscsi_data_in_hdr data_in;
722 struct iscsi_r2t_hdr r2t;
723 struct iscsi_nop_out_hdr nop_out;
724 struct iscsi_nop_in_hdr nop_in;
725 struct iscsi_login_response_hdr login_response;
726 struct iscsi_logout_response_hdr logout_response;
727 struct iscsi_text_request_hdr text_request;
728 struct iscsi_text_response_hdr text_response;
729 struct iscsi_tmf_request_hdr tmf_request;
730 struct iscsi_tmf_response_hdr tmf_response;
731 struct iscsi_response_hdr response;
732 struct iscsi_reject_hdr reject;
733 struct iscsi_async_msg_hdr async_msg;
734 };
735
736
737 struct ystorm_iscsi_task_st_ctx {
738 struct ystorm_iscsi_task_state state;
739 struct ystorm_iscsi_task_rxmit_opt rxmit_opt;
740 union iscsi_task_hdr pdu_hdr;
741 };
742
743 struct e4_ystorm_iscsi_task_ag_ctx {
744 u8 reserved;
745 u8 byte1;
746 __le16 word0;
747 u8 flags0;
748 #define E4_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF
749 #define E4_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0
750 #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1
751 #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4
752 #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1
753 #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5
754 #define E4_YSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1
755 #define E4_YSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6
756 #define E4_YSTORM_ISCSI_TASK_AG_CTX_TTT_VALID_MASK 0x1
757 #define E4_YSTORM_ISCSI_TASK_AG_CTX_TTT_VALID_SHIFT 7
758 u8 flags1;
759 #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3
760 #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 0
761 #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3
762 #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2
763 #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_MASK 0x3
764 #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_SHIFT 4
765 #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1
766 #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 6
767 #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1
768 #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7
769 u8 flags2;
770 #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1
771 #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0
772 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1
773 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1
774 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1
775 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2
776 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1
777 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3
778 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1
779 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4
780 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1
781 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5
782 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1
783 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6
784 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1
785 #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7
786 u8 byte2;
787 __le32 TTT;
788 u8 byte3;
789 u8 byte4;
790 __le16 word1;
791 };
792
793 struct e4_mstorm_iscsi_task_ag_ctx {
794 u8 cdu_validation;
795 u8 byte1;
796 __le16 task_cid;
797 u8 flags0;
798 #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF
799 #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0
800 #define E4_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1
801 #define E4_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4
802 #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_MASK 0x1
803 #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_SHIFT 5
804 #define E4_MSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1
805 #define E4_MSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6
806 #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_MASK 0x1
807 #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_SHIFT 7
808 u8 flags1;
809 #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_MASK 0x3
810 #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_SHIFT 0
811 #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3
812 #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2
813 #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3
814 #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 4
815 #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_MASK 0x1
816 #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_SHIFT 6
817 #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1
818 #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7
819 u8 flags2;
820 #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1
821 #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 0
822 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1
823 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1
824 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1
825 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2
826 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1
827 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3
828 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1
829 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4
830 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1
831 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5
832 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1
833 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6
834 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1
835 #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7
836 u8 byte2;
837 __le32 reg0;
838 u8 byte3;
839 u8 byte4;
840 __le16 word1;
841 };
842
843 struct e4_ustorm_iscsi_task_ag_ctx {
844 u8 reserved;
845 u8 state;
846 __le16 icid;
847 u8 flags0;
848 #define E4_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF
849 #define E4_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0
850 #define E4_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1
851 #define E4_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4
852 #define E4_USTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_MASK 0x1
853 #define E4_USTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_SHIFT 5
854 #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_MASK 0x3
855 #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_SHIFT 6
856 u8 flags1;
857 #define E4_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_MASK 0x3
858 #define E4_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_SHIFT 0
859 #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_MASK 0x3
860 #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_SHIFT 2
861 #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3
862 #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 4
863 #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_MASK 0x3
864 #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_SHIFT 6
865 u8 flags2;
866 #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_MASK 0x1
867 #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_SHIFT 0
868 #define E4_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_MASK 0x1
869 #define E4_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_SHIFT 1
870 #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_MASK 0x1
871 #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_SHIFT 2
872 #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1
873 #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 3
874 #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK 0x1
875 #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT 4
876 #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_MASK 0x1
877 #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_SHIFT 5
878 #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1
879 #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 6
880 #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_MASK 0x1
881 #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_SHIFT 7
882 u8 flags3;
883 #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1
884 #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 0
885 #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1
886 #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 1
887 #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1
888 #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 2
889 #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1
890 #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 3
891 #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_MASK 0xF
892 #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT 4
893 __le32 dif_err_intervals;
894 __le32 dif_error_1st_interval;
895 __le32 rcv_cont_len;
896 __le32 exp_cont_len;
897 __le32 total_data_acked;
898 __le32 exp_data_acked;
899 u8 byte2;
900 u8 byte3;
901 __le16 word1;
902 __le16 next_tid;
903 __le16 word3;
904 __le32 hdr_residual_count;
905 __le32 exp_r2t_sn;
906 };
907
908
909 struct mstorm_iscsi_task_st_ctx {
910 struct scsi_cached_sges data_desc;
911 struct scsi_sgl_params sgl_params;
912 __le32 rem_task_size;
913 __le32 data_buffer_offset;
914 u8 task_type;
915 struct iscsi_dif_flags dif_flags;
916 __le16 dif_task_icid;
917 struct regpair sense_db;
918 __le32 expected_itt;
919 __le32 reserved1;
920 };
921
922 struct iscsi_reg1 {
923 __le32 reg1_map;
924 #define ISCSI_REG1_NUM_SGES_MASK 0xF
925 #define ISCSI_REG1_NUM_SGES_SHIFT 0
926 #define ISCSI_REG1_RESERVED1_MASK 0xFFFFFFF
927 #define ISCSI_REG1_RESERVED1_SHIFT 4
928 };
929
930 struct tqe_opaque {
931 __le16 opaque[2];
932 };
933
934
935 struct ustorm_iscsi_task_st_ctx {
936 __le32 rem_rcv_len;
937 __le32 exp_data_transfer_len;
938 __le32 exp_data_sn;
939 struct regpair lun;
940 struct iscsi_reg1 reg1;
941 u8 flags2;
942 #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_MASK 0x1
943 #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_SHIFT 0
944 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_MASK 0x7F
945 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_SHIFT 1
946 struct iscsi_dif_flags dif_flags;
947 __le16 reserved3;
948 struct tqe_opaque tqe_opaque_list;
949 __le32 reserved5;
950 __le32 reserved6;
951 __le32 reserved7;
952 u8 task_type;
953 u8 error_flags;
954 #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_MASK 0x1
955 #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_SHIFT 0
956 #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_MASK 0x1
957 #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_SHIFT 1
958 #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_MASK 0x1
959 #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_SHIFT 2
960 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_MASK 0x1F
961 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_SHIFT 3
962 u8 flags;
963 #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_MASK 0x3
964 #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_SHIFT 0
965 #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_MASK 0x1
966 #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_SHIFT 2
967 #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_MASK 0x1
968 #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_SHIFT 3
969 #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_MASK 0x1
970 #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_SHIFT 4
971 #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_MASK 0x1
972 #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_SHIFT 5
973 #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_MASK 0x1
974 #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_SHIFT 6
975 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_MASK 0x1
976 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_SHIFT 7
977 u8 cq_rss_number;
978 };
979
980
981 struct e4_iscsi_task_context {
982 struct ystorm_iscsi_task_st_ctx ystorm_st_context;
983 struct e4_ystorm_iscsi_task_ag_ctx ystorm_ag_context;
984 struct regpair ystorm_ag_padding[2];
985 struct tdif_task_context tdif_context;
986 struct e4_mstorm_iscsi_task_ag_ctx mstorm_ag_context;
987 struct regpair mstorm_ag_padding[2];
988 struct e4_ustorm_iscsi_task_ag_ctx ustorm_ag_context;
989 struct mstorm_iscsi_task_st_ctx mstorm_st_context;
990 struct ustorm_iscsi_task_st_ctx ustorm_st_context;
991 struct rdif_task_context rdif_context;
992 };
993
994
995
996
997 struct iscsi_conn_offload_params {
998 struct regpair sq_pbl_addr;
999 struct regpair r2tq_pbl_addr;
1000 struct regpair xhq_pbl_addr;
1001 struct regpair uhq_pbl_addr;
1002 __le32 initial_ack;
1003 __le16 physical_q0;
1004 __le16 physical_q1;
1005 u8 flags;
1006 #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_MASK 0x1
1007 #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_SHIFT 0
1008 #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_MASK 0x1
1009 #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_SHIFT 1
1010 #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_MASK 0x1
1011 #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_SHIFT 2
1012 #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_MASK 0x1F
1013 #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_SHIFT 3
1014 u8 pbl_page_size_log;
1015 u8 pbe_page_size_log;
1016 u8 default_cq;
1017 __le32 stat_sn;
1018 };
1019
1020
1021 struct iscsi_conn_stats_params {
1022 struct regpair iscsi_tcp_tx_packets_cnt;
1023 struct regpair iscsi_tcp_tx_bytes_cnt;
1024 struct regpair iscsi_tcp_tx_rxmit_cnt;
1025 struct regpair iscsi_tcp_rx_packets_cnt;
1026 struct regpair iscsi_tcp_rx_bytes_cnt;
1027 struct regpair iscsi_tcp_rx_dup_ack_cnt;
1028 __le32 iscsi_tcp_rx_chksum_err_cnt;
1029 __le32 reserved;
1030 };
1031
1032
1033 struct iscsi_slow_path_hdr {
1034 u8 op_code;
1035 u8 flags;
1036 #define ISCSI_SLOW_PATH_HDR_RESERVED0_MASK 0xF
1037 #define ISCSI_SLOW_PATH_HDR_RESERVED0_SHIFT 0
1038 #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_MASK 0x7
1039 #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_SHIFT 4
1040 #define ISCSI_SLOW_PATH_HDR_RESERVED1_MASK 0x1
1041 #define ISCSI_SLOW_PATH_HDR_RESERVED1_SHIFT 7
1042 };
1043
1044
1045
1046
1047 struct iscsi_conn_update_ramrod_params {
1048 struct iscsi_slow_path_hdr hdr;
1049 __le16 conn_id;
1050 __le32 fw_cid;
1051 u8 flags;
1052 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_MASK 0x1
1053 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_SHIFT 0
1054 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_MASK 0x1
1055 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_SHIFT 1
1056 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_MASK 0x1
1057 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_SHIFT 2
1058 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_MASK 0x1
1059 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_SHIFT 3
1060 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_MASK 0x1
1061 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_SHIFT 4
1062 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_MASK 0x1
1063 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_SHIFT 5
1064 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_IMM_EN_MASK 0x1
1065 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_IMM_EN_SHIFT 6
1066 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_LUN_MAPPER_EN_MASK 0x1
1067 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_LUN_MAPPER_EN_SHIFT 7
1068 u8 reserved0[3];
1069 __le32 max_seq_size;
1070 __le32 max_send_pdu_length;
1071 __le32 max_recv_pdu_length;
1072 __le32 first_seq_length;
1073 __le32 exp_stat_sn;
1074 union dif_configuration_params dif_on_imme_params;
1075 };
1076
1077
1078 struct iscsi_cqe_common {
1079 __le16 conn_id;
1080 u8 cqe_type;
1081 union cqe_error_status error_bitmap;
1082 __le32 reserved[3];
1083 union iscsi_task_hdr iscsi_hdr;
1084 };
1085
1086
1087 struct iscsi_cqe_solicited {
1088 __le16 conn_id;
1089 u8 cqe_type;
1090 union cqe_error_status error_bitmap;
1091 __le16 itid;
1092 u8 task_type;
1093 u8 fw_dbg_field;
1094 u8 caused_conn_err;
1095 u8 reserved0[3];
1096 __le32 data_truncated_bytes;
1097 union iscsi_task_hdr iscsi_hdr;
1098 };
1099
1100
1101 struct iscsi_cqe_unsolicited {
1102 __le16 conn_id;
1103 u8 cqe_type;
1104 union cqe_error_status error_bitmap;
1105 __le16 reserved0;
1106 u8 reserved1;
1107 u8 unsol_cqe_type;
1108 __le16 rqe_opaque;
1109 __le16 reserved2[3];
1110 union iscsi_task_hdr iscsi_hdr;
1111 };
1112
1113
1114 union iscsi_cqe {
1115 struct iscsi_cqe_common cqe_common;
1116 struct iscsi_cqe_solicited cqe_solicited;
1117 struct iscsi_cqe_unsolicited cqe_unsolicited;
1118 };
1119
1120
1121 enum iscsi_cqes_type {
1122 ISCSI_CQE_TYPE_SOLICITED = 1,
1123 ISCSI_CQE_TYPE_UNSOLICITED,
1124 ISCSI_CQE_TYPE_SOLICITED_WITH_SENSE,
1125 ISCSI_CQE_TYPE_TASK_CLEANUP,
1126 ISCSI_CQE_TYPE_DUMMY,
1127 MAX_ISCSI_CQES_TYPE
1128 };
1129
1130
1131 enum iscsi_cqe_unsolicited_type {
1132 ISCSI_CQE_UNSOLICITED_NONE,
1133 ISCSI_CQE_UNSOLICITED_SINGLE,
1134 ISCSI_CQE_UNSOLICITED_FIRST,
1135 ISCSI_CQE_UNSOLICITED_MIDDLE,
1136 ISCSI_CQE_UNSOLICITED_LAST,
1137 MAX_ISCSI_CQE_UNSOLICITED_TYPE
1138 };
1139
1140
1141 struct iscsi_debug_modes {
1142 u8 flags;
1143 #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_MASK 0x1
1144 #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_SHIFT 0
1145 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_MASK 0x1
1146 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_SHIFT 1
1147 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_MASK 0x1
1148 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_SHIFT 2
1149 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_MASK 0x1
1150 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_SHIFT 3
1151 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_MASK 0x1
1152 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_SHIFT 4
1153 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_MASK 0x1
1154 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_SHIFT 5
1155 #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_OR_DATA_DIGEST_ERROR_MASK 0x1
1156 #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_OR_DATA_DIGEST_ERROR_SHIFT 6
1157 #define ISCSI_DEBUG_MODES_ASSERT_IF_HQ_CORRUPT_MASK 0x1
1158 #define ISCSI_DEBUG_MODES_ASSERT_IF_HQ_CORRUPT_SHIFT 7
1159 };
1160
1161
1162 enum iscsi_eqe_opcode {
1163 ISCSI_EVENT_TYPE_INIT_FUNC = 0,
1164 ISCSI_EVENT_TYPE_DESTROY_FUNC,
1165 ISCSI_EVENT_TYPE_OFFLOAD_CONN,
1166 ISCSI_EVENT_TYPE_UPDATE_CONN,
1167 ISCSI_EVENT_TYPE_CLEAR_SQ,
1168 ISCSI_EVENT_TYPE_TERMINATE_CONN,
1169 ISCSI_EVENT_TYPE_MAC_UPDATE_CONN,
1170 ISCSI_EVENT_TYPE_COLLECT_STATS_CONN,
1171 ISCSI_EVENT_TYPE_ASYN_CONNECT_COMPLETE,
1172 ISCSI_EVENT_TYPE_ASYN_TERMINATE_DONE,
1173 ISCSI_EVENT_TYPE_START_OF_ERROR_TYPES = 10,
1174 ISCSI_EVENT_TYPE_ASYN_ABORT_RCVD,
1175 ISCSI_EVENT_TYPE_ASYN_CLOSE_RCVD,
1176 ISCSI_EVENT_TYPE_ASYN_SYN_RCVD,
1177 ISCSI_EVENT_TYPE_ASYN_MAX_RT_TIME,
1178 ISCSI_EVENT_TYPE_ASYN_MAX_RT_CNT,
1179 ISCSI_EVENT_TYPE_ASYN_MAX_KA_PROBES_CNT,
1180 ISCSI_EVENT_TYPE_ASYN_FIN_WAIT2,
1181 ISCSI_EVENT_TYPE_ISCSI_CONN_ERROR,
1182 ISCSI_EVENT_TYPE_TCP_CONN_ERROR,
1183 MAX_ISCSI_EQE_OPCODE
1184 };
1185
1186
1187 enum iscsi_error_types {
1188 ISCSI_STATUS_NONE = 0,
1189 ISCSI_CQE_ERROR_UNSOLICITED_RCV_ON_INVALID_CONN = 1,
1190 ISCSI_CONN_ERROR_TASK_CID_MISMATCH,
1191 ISCSI_CONN_ERROR_TASK_NOT_VALID,
1192 ISCSI_CONN_ERROR_RQ_RING_IS_FULL,
1193 ISCSI_CONN_ERROR_CMDQ_RING_IS_FULL,
1194 ISCSI_CONN_ERROR_HQE_CACHING_FAILED,
1195 ISCSI_CONN_ERROR_HEADER_DIGEST_ERROR,
1196 ISCSI_CONN_ERROR_LOCAL_COMPLETION_ERROR,
1197 ISCSI_CONN_ERROR_DATA_OVERRUN,
1198 ISCSI_CONN_ERROR_OUT_OF_SGES_ERROR,
1199 ISCSI_CONN_ERROR_IP_OPTIONS_ERROR,
1200 ISCSI_CONN_ERROR_PRS_ERRORS,
1201 ISCSI_CONN_ERROR_CONNECT_INVALID_TCP_OPTION,
1202 ISCSI_CONN_ERROR_TCP_IP_FRAGMENT_ERROR,
1203 ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_LEN,
1204 ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_TYPE,
1205 ISCSI_CONN_ERROR_PROTOCOL_ERR_ITT_OUT_OF_RANGE,
1206 ISCSI_CONN_ERROR_PROTOCOL_ERR_TTT_OUT_OF_RANGE,
1207 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_EXCEEDS_PDU_SIZE,
1208 ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE,
1209 ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE_BEFORE_UPDATE,
1210 ISCSI_CONN_ERROR_UNVALID_NOPIN_DSL,
1211 ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_CARRIES_NO_DATA,
1212 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SN,
1213 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_IN_TTT,
1214 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_OUT_ITT,
1215 ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_TTT,
1216 ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_BUFFER_OFFSET,
1217 ISCSI_CONN_ERROR_PROTOCOL_ERR_BUFFER_OFFSET_OOO,
1218 ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_SN,
1219 ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0,
1220 ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1,
1221 ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_2,
1222 ISCSI_CONN_ERROR_PROTOCOL_ERR_LUN,
1223 ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO,
1224 ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO_S_BIT_ONE,
1225 ISCSI_CONN_ERROR_PROTOCOL_ERR_EXP_STAT_SN,
1226 ISCSI_CONN_ERROR_PROTOCOL_ERR_DSL_NOT_ZERO,
1227 ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_DSL,
1228 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG,
1229 ISCSI_CONN_ERROR_PROTOCOL_ERR_OUTSTANDING_R2T_COUNT,
1230 ISCSI_CONN_ERROR_PROTOCOL_ERR_DIF_TX,
1231 ISCSI_CONN_ERROR_SENSE_DATA_LENGTH,
1232 ISCSI_CONN_ERROR_DATA_PLACEMENT_ERROR,
1233 ISCSI_CONN_ERROR_INVALID_ITT,
1234 ISCSI_ERROR_UNKNOWN,
1235 MAX_ISCSI_ERROR_TYPES
1236 };
1237
1238
1239 enum iscsi_ramrod_cmd_id {
1240 ISCSI_RAMROD_CMD_ID_UNUSED = 0,
1241 ISCSI_RAMROD_CMD_ID_INIT_FUNC = 1,
1242 ISCSI_RAMROD_CMD_ID_DESTROY_FUNC = 2,
1243 ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN = 3,
1244 ISCSI_RAMROD_CMD_ID_UPDATE_CONN = 4,
1245 ISCSI_RAMROD_CMD_ID_TERMINATION_CONN = 5,
1246 ISCSI_RAMROD_CMD_ID_CLEAR_SQ = 6,
1247 ISCSI_RAMROD_CMD_ID_MAC_UPDATE = 7,
1248 ISCSI_RAMROD_CMD_ID_CONN_STATS = 8,
1249 MAX_ISCSI_RAMROD_CMD_ID
1250 };
1251
1252
1253 struct iscsi_spe_conn_mac_update {
1254 struct iscsi_slow_path_hdr hdr;
1255 __le16 conn_id;
1256 __le32 fw_cid;
1257 __le16 remote_mac_addr_lo;
1258 __le16 remote_mac_addr_mid;
1259 __le16 remote_mac_addr_hi;
1260 u8 reserved0[2];
1261 };
1262
1263
1264
1265
1266 struct iscsi_spe_conn_offload {
1267 struct iscsi_slow_path_hdr hdr;
1268 __le16 conn_id;
1269 __le32 fw_cid;
1270 struct iscsi_conn_offload_params iscsi;
1271 struct tcp_offload_params tcp;
1272 };
1273
1274
1275
1276
1277 struct iscsi_spe_conn_offload_option2 {
1278 struct iscsi_slow_path_hdr hdr;
1279 __le16 conn_id;
1280 __le32 fw_cid;
1281 struct iscsi_conn_offload_params iscsi;
1282 struct tcp_offload_params_opt2 tcp;
1283 };
1284
1285
1286 struct iscsi_spe_conn_statistics {
1287 struct iscsi_slow_path_hdr hdr;
1288 __le16 conn_id;
1289 __le32 fw_cid;
1290 u8 reset_stats;
1291 u8 reserved0[7];
1292 struct regpair stats_cnts_addr;
1293 };
1294
1295
1296 struct iscsi_spe_conn_termination {
1297 struct iscsi_slow_path_hdr hdr;
1298 __le16 conn_id;
1299 __le32 fw_cid;
1300 u8 abortive;
1301 u8 reserved0[7];
1302 struct regpair queue_cnts_addr;
1303 struct regpair query_params_addr;
1304 };
1305
1306
1307 struct iscsi_spe_func_dstry {
1308 struct iscsi_slow_path_hdr hdr;
1309 __le16 reserved0;
1310 __le32 reserved1;
1311 };
1312
1313
1314 struct iscsi_spe_func_init {
1315 struct iscsi_slow_path_hdr hdr;
1316 __le16 half_way_close_timeout;
1317 u8 num_sq_pages_in_ring;
1318 u8 num_r2tq_pages_in_ring;
1319 u8 num_uhq_pages_in_ring;
1320 u8 ll2_rx_queue_id;
1321 u8 flags;
1322 #define ISCSI_SPE_FUNC_INIT_COUNTERS_EN_MASK 0x1
1323 #define ISCSI_SPE_FUNC_INIT_COUNTERS_EN_SHIFT 0
1324 #define ISCSI_SPE_FUNC_INIT_RESERVED0_MASK 0x7F
1325 #define ISCSI_SPE_FUNC_INIT_RESERVED0_SHIFT 1
1326 struct iscsi_debug_modes debug_mode;
1327 __le16 reserved1;
1328 __le32 reserved2;
1329 struct scsi_init_func_params func_params;
1330 struct scsi_init_func_queues q_params;
1331 };
1332
1333
1334 enum iscsi_task_type {
1335 ISCSI_TASK_TYPE_INITIATOR_WRITE,
1336 ISCSI_TASK_TYPE_INITIATOR_READ,
1337 ISCSI_TASK_TYPE_MIDPATH,
1338 ISCSI_TASK_TYPE_UNSOLIC,
1339 ISCSI_TASK_TYPE_EXCHCLEANUP,
1340 ISCSI_TASK_TYPE_IRRELEVANT,
1341 ISCSI_TASK_TYPE_TARGET_WRITE,
1342 ISCSI_TASK_TYPE_TARGET_READ,
1343 ISCSI_TASK_TYPE_TARGET_RESPONSE,
1344 ISCSI_TASK_TYPE_LOGIN_RESPONSE,
1345 ISCSI_TASK_TYPE_TARGET_IMM_W_DIF,
1346 MAX_ISCSI_TASK_TYPE
1347 };
1348
1349
1350 union iscsi_ttt_txlen_union {
1351 __le32 desired_tx_len;
1352 __le32 ttt;
1353 };
1354
1355
1356 struct iscsi_uhqe {
1357 __le32 reg1;
1358 #define ISCSI_UHQE_PDU_PAYLOAD_LEN_MASK 0xFFFFF
1359 #define ISCSI_UHQE_PDU_PAYLOAD_LEN_SHIFT 0
1360 #define ISCSI_UHQE_LOCAL_COMP_MASK 0x1
1361 #define ISCSI_UHQE_LOCAL_COMP_SHIFT 20
1362 #define ISCSI_UHQE_TOGGLE_BIT_MASK 0x1
1363 #define ISCSI_UHQE_TOGGLE_BIT_SHIFT 21
1364 #define ISCSI_UHQE_PURE_PAYLOAD_MASK 0x1
1365 #define ISCSI_UHQE_PURE_PAYLOAD_SHIFT 22
1366 #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_MASK 0x1
1367 #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_SHIFT 23
1368 #define ISCSI_UHQE_TASK_ID_HI_MASK 0xFF
1369 #define ISCSI_UHQE_TASK_ID_HI_SHIFT 24
1370 __le32 reg2;
1371 #define ISCSI_UHQE_BUFFER_OFFSET_MASK 0xFFFFFF
1372 #define ISCSI_UHQE_BUFFER_OFFSET_SHIFT 0
1373 #define ISCSI_UHQE_TASK_ID_LO_MASK 0xFF
1374 #define ISCSI_UHQE_TASK_ID_LO_SHIFT 24
1375 };
1376
1377
1378 struct iscsi_wqe {
1379 __le16 task_id;
1380 u8 flags;
1381 #define ISCSI_WQE_WQE_TYPE_MASK 0x7
1382 #define ISCSI_WQE_WQE_TYPE_SHIFT 0
1383 #define ISCSI_WQE_NUM_SGES_MASK 0xF
1384 #define ISCSI_WQE_NUM_SGES_SHIFT 3
1385 #define ISCSI_WQE_RESPONSE_MASK 0x1
1386 #define ISCSI_WQE_RESPONSE_SHIFT 7
1387 struct iscsi_dif_flags prot_flags;
1388 __le32 contlen_cdbsize;
1389 #define ISCSI_WQE_CONT_LEN_MASK 0xFFFFFF
1390 #define ISCSI_WQE_CONT_LEN_SHIFT 0
1391 #define ISCSI_WQE_CDB_SIZE_MASK 0xFF
1392 #define ISCSI_WQE_CDB_SIZE_SHIFT 24
1393 };
1394
1395
1396 enum iscsi_wqe_type {
1397 ISCSI_WQE_TYPE_NORMAL,
1398 ISCSI_WQE_TYPE_TASK_CLEANUP,
1399 ISCSI_WQE_TYPE_MIDDLE_PATH,
1400 ISCSI_WQE_TYPE_LOGIN,
1401 ISCSI_WQE_TYPE_FIRST_R2T_CONT,
1402 ISCSI_WQE_TYPE_NONFIRST_R2T_CONT,
1403 ISCSI_WQE_TYPE_RESPONSE,
1404 MAX_ISCSI_WQE_TYPE
1405 };
1406
1407
1408 struct iscsi_xhqe {
1409 union iscsi_ttt_txlen_union ttt_or_txlen;
1410 __le32 exp_stat_sn;
1411 struct iscsi_dif_flags prot_flags;
1412 u8 total_ahs_length;
1413 u8 opcode;
1414 u8 flags;
1415 #define ISCSI_XHQE_FINAL_MASK 0x1
1416 #define ISCSI_XHQE_FINAL_SHIFT 0
1417 #define ISCSI_XHQE_STATUS_BIT_MASK 0x1
1418 #define ISCSI_XHQE_STATUS_BIT_SHIFT 1
1419 #define ISCSI_XHQE_NUM_SGES_MASK 0xF
1420 #define ISCSI_XHQE_NUM_SGES_SHIFT 2
1421 #define ISCSI_XHQE_RESERVED0_MASK 0x3
1422 #define ISCSI_XHQE_RESERVED0_SHIFT 6
1423 union iscsi_seq_num seq_num;
1424 __le16 reserved1;
1425 };
1426
1427
1428 struct mstorm_iscsi_stats_drv {
1429 struct regpair iscsi_rx_dropped_pdus_task_not_valid;
1430 struct regpair iscsi_rx_dup_ack_cnt;
1431 };
1432
1433
1434 struct pstorm_iscsi_stats_drv {
1435 struct regpair iscsi_tx_bytes_cnt;
1436 struct regpair iscsi_tx_packet_cnt;
1437 };
1438
1439
1440 struct tstorm_iscsi_stats_drv {
1441 struct regpair iscsi_rx_bytes_cnt;
1442 struct regpair iscsi_rx_packet_cnt;
1443 struct regpair iscsi_rx_new_ooo_isle_events_cnt;
1444 struct regpair iscsi_rx_tcp_payload_bytes_cnt;
1445 struct regpair iscsi_rx_tcp_pkt_cnt;
1446 struct regpair iscsi_rx_pure_ack_cnt;
1447 __le32 iscsi_cmdq_threshold_cnt;
1448 __le32 iscsi_rq_threshold_cnt;
1449 __le32 iscsi_immq_threshold_cnt;
1450 };
1451
1452
1453 struct ustorm_iscsi_stats_drv {
1454 struct regpair iscsi_rx_data_pdu_cnt;
1455 struct regpair iscsi_rx_r2t_pdu_cnt;
1456 struct regpair iscsi_rx_total_pdu_cnt;
1457 };
1458
1459
1460 struct xstorm_iscsi_stats_drv {
1461 struct regpair iscsi_tx_go_to_slow_start_event_cnt;
1462 struct regpair iscsi_tx_fast_retransmit_event_cnt;
1463 struct regpair iscsi_tx_pure_ack_cnt;
1464 struct regpair iscsi_tx_delayed_ack_cnt;
1465 };
1466
1467
1468 struct ystorm_iscsi_stats_drv {
1469 struct regpair iscsi_tx_data_pdu_cnt;
1470 struct regpair iscsi_tx_r2t_pdu_cnt;
1471 struct regpair iscsi_tx_total_pdu_cnt;
1472 struct regpair iscsi_tx_tcp_payload_bytes_cnt;
1473 struct regpair iscsi_tx_tcp_pkt_cnt;
1474 };
1475
1476 struct e4_tstorm_iscsi_task_ag_ctx {
1477 u8 byte0;
1478 u8 byte1;
1479 __le16 word0;
1480 u8 flags0;
1481 #define E4_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF
1482 #define E4_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0
1483 #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1
1484 #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4
1485 #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1
1486 #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5
1487 #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT2_MASK 0x1
1488 #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT2_SHIFT 6
1489 #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1
1490 #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7
1491 u8 flags1;
1492 #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1
1493 #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0
1494 #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT5_MASK 0x1
1495 #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT5_SHIFT 1
1496 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3
1497 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 2
1498 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3
1499 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 4
1500 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3
1501 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 6
1502 u8 flags2;
1503 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3
1504 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 0
1505 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4_MASK 0x3
1506 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4_SHIFT 2
1507 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5_MASK 0x3
1508 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5_SHIFT 4
1509 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6_MASK 0x3
1510 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6_SHIFT 6
1511 u8 flags3;
1512 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7_MASK 0x3
1513 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7_SHIFT 0
1514 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1
1515 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 2
1516 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1
1517 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 3
1518 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1
1519 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 4
1520 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1
1521 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 5
1522 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_MASK 0x1
1523 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_SHIFT 6
1524 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_MASK 0x1
1525 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_SHIFT 7
1526 u8 flags4;
1527 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_MASK 0x1
1528 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_SHIFT 0
1529 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_MASK 0x1
1530 #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_SHIFT 1
1531 #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1
1532 #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 2
1533 #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1
1534 #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 3
1535 #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1
1536 #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 4
1537 #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1
1538 #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 5
1539 #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1
1540 #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 6
1541 #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1
1542 #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 7
1543 u8 byte2;
1544 __le16 word1;
1545 __le32 reg0;
1546 u8 byte3;
1547 u8 byte4;
1548 __le16 word2;
1549 __le16 word3;
1550 __le16 word4;
1551 __le32 reg1;
1552 __le32 reg2;
1553 };
1554
1555
1556 struct iscsi_db_data {
1557 u8 params;
1558 #define ISCSI_DB_DATA_DEST_MASK 0x3
1559 #define ISCSI_DB_DATA_DEST_SHIFT 0
1560 #define ISCSI_DB_DATA_AGG_CMD_MASK 0x3
1561 #define ISCSI_DB_DATA_AGG_CMD_SHIFT 2
1562 #define ISCSI_DB_DATA_BYPASS_EN_MASK 0x1
1563 #define ISCSI_DB_DATA_BYPASS_EN_SHIFT 4
1564 #define ISCSI_DB_DATA_RESERVED_MASK 0x1
1565 #define ISCSI_DB_DATA_RESERVED_SHIFT 5
1566 #define ISCSI_DB_DATA_AGG_VAL_SEL_MASK 0x3
1567 #define ISCSI_DB_DATA_AGG_VAL_SEL_SHIFT 6
1568 u8 agg_flags;
1569 __le16 sq_prod;
1570 };
1571
1572 #endif