1 | /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ |
2 | /* QLogic qed NIC Driver |
3 | * Copyright (c) 2015-2017 QLogic Corporation |
4 | * Copyright (c) 2019-2020 Marvell International Ltd. |
5 | */ |
6 | |
7 | #ifndef __ISCSI_COMMON__ |
8 | #define __ISCSI_COMMON__ |
9 | |
10 | /**********************/ |
11 | /* ISCSI FW CONSTANTS */ |
12 | /**********************/ |
13 | |
14 | /* iSCSI HSI constants */ |
15 | #define ISCSI_DEFAULT_MTU (1500) |
16 | |
17 | /* KWQ (kernel work queue) layer codes */ |
18 | #define ISCSI_SLOW_PATH_LAYER_CODE (6) |
19 | |
20 | /* iSCSI parameter defaults */ |
21 | #define (0) |
22 | #define ISCSI_DEFAULT_DATA_DIGEST (0) |
23 | #define ISCSI_DEFAULT_INITIAL_R2T (1) |
24 | #define ISCSI_DEFAULT_IMMEDIATE_DATA (1) |
25 | #define ISCSI_DEFAULT_MAX_PDU_LENGTH (0x2000) |
26 | #define ISCSI_DEFAULT_FIRST_BURST_LENGTH (0x10000) |
27 | #define ISCSI_DEFAULT_MAX_BURST_LENGTH (0x40000) |
28 | #define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1) |
29 | |
30 | /* iSCSI parameter limits */ |
31 | #define ISCSI_MIN_VAL_MAX_PDU_LENGTH (0x200) |
32 | #define ISCSI_MAX_VAL_MAX_PDU_LENGTH (0xffffff) |
33 | #define ISCSI_MIN_VAL_BURST_LENGTH (0x200) |
34 | #define ISCSI_MAX_VAL_BURST_LENGTH (0xffffff) |
35 | #define ISCSI_MIN_VAL_MAX_OUTSTANDING_R2T (1) |
36 | #define ISCSI_MAX_VAL_MAX_OUTSTANDING_R2T (0xff) |
37 | |
38 | #define ISCSI_AHS_CNTL_SIZE 4 |
39 | |
40 | #define ISCSI_WQE_NUM_SGES_SLOWIO (0xf) |
41 | |
42 | /* iSCSI reserved params */ |
43 | #define ISCSI_ITT_ALL_ONES (0xffffffff) |
44 | #define ISCSI_TTT_ALL_ONES (0xffffffff) |
45 | |
46 | #define ISCSI_OPTION_1_OFF_CHIP_TCP 1 |
47 | #define ISCSI_OPTION_2_ON_CHIP_TCP 2 |
48 | |
49 | #define ISCSI_INITIATOR_MODE 0 |
50 | #define ISCSI_TARGET_MODE 1 |
51 | |
52 | /* iSCSI request op codes */ |
53 | #define ISCSI_OPCODE_NOP_OUT (0) |
54 | #define ISCSI_OPCODE_SCSI_CMD (1) |
55 | #define ISCSI_OPCODE_TMF_REQUEST (2) |
56 | #define ISCSI_OPCODE_LOGIN_REQUEST (3) |
57 | #define ISCSI_OPCODE_TEXT_REQUEST (4) |
58 | #define ISCSI_OPCODE_DATA_OUT (5) |
59 | #define ISCSI_OPCODE_LOGOUT_REQUEST (6) |
60 | |
61 | /* iSCSI response/messages op codes */ |
62 | #define ISCSI_OPCODE_NOP_IN (0x20) |
63 | #define ISCSI_OPCODE_SCSI_RESPONSE (0x21) |
64 | #define ISCSI_OPCODE_TMF_RESPONSE (0x22) |
65 | #define ISCSI_OPCODE_LOGIN_RESPONSE (0x23) |
66 | #define ISCSI_OPCODE_TEXT_RESPONSE (0x24) |
67 | #define ISCSI_OPCODE_DATA_IN (0x25) |
68 | #define ISCSI_OPCODE_LOGOUT_RESPONSE (0x26) |
69 | #define ISCSI_OPCODE_R2T (0x31) |
70 | #define ISCSI_OPCODE_ASYNC_MSG (0x32) |
71 | #define ISCSI_OPCODE_REJECT (0x3f) |
72 | |
73 | /* iSCSI stages */ |
74 | #define ISCSI_STAGE_SECURITY_NEGOTIATION (0) |
75 | #define ISCSI_STAGE_LOGIN_OPERATIONAL_NEGOTIATION (1) |
76 | #define ISCSI_STAGE_FULL_FEATURE_PHASE (3) |
77 | |
78 | /* iSCSI CQE errors */ |
79 | #define CQE_ERROR_BITMAP_DATA_DIGEST (0x08) |
80 | #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN (0x10) |
81 | #define CQE_ERROR_BITMAP_DATA_TRUNCATED (0x20) |
82 | |
83 | /* Union of data bd_opaque/ tq_tid */ |
84 | union bd_opaque_tq_union { |
85 | __le16 bd_opaque; |
86 | __le16 tq_tid; |
87 | }; |
88 | |
89 | /* ISCSI SGL entry */ |
90 | struct cqe_error_bitmap { |
91 | u8 cqe_error_status_bits; |
92 | #define CQE_ERROR_BITMAP_DIF_ERR_BITS_MASK 0x7 |
93 | #define CQE_ERROR_BITMAP_DIF_ERR_BITS_SHIFT 0 |
94 | #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_MASK 0x1 |
95 | #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_SHIFT 3 |
96 | #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_MASK 0x1 |
97 | #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_SHIFT 4 |
98 | #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_MASK 0x1 |
99 | #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_SHIFT 5 |
100 | #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_MASK 0x1 |
101 | #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_SHIFT 6 |
102 | #define CQE_ERROR_BITMAP_RESERVED2_MASK 0x1 |
103 | #define CQE_ERROR_BITMAP_RESERVED2_SHIFT 7 |
104 | }; |
105 | |
106 | union cqe_error_status { |
107 | u8 error_status; |
108 | struct cqe_error_bitmap error_bits; |
109 | }; |
110 | |
111 | /* iSCSI Login Response PDU header */ |
112 | struct data_hdr { |
113 | __le32 data[12]; |
114 | }; |
115 | |
116 | struct lun_mapper_addr_reserved { |
117 | struct regpair lun_mapper_addr; |
118 | u8 reserved0[8]; |
119 | }; |
120 | |
121 | /* rdif conetxt for dif on immediate */ |
122 | struct dif_on_immediate_params { |
123 | __le32 initial_ref_tag; |
124 | __le16 application_tag; |
125 | __le16 application_tag_mask; |
126 | __le16 flags1; |
127 | #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_GUARD_MASK 0x1 |
128 | #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_GUARD_SHIFT 0 |
129 | #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_APP_TAG_MASK 0x1 |
130 | #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_APP_TAG_SHIFT 1 |
131 | #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_REF_TAG_MASK 0x1 |
132 | #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_REF_TAG_SHIFT 2 |
133 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_GUARD_MASK 0x1 |
134 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_GUARD_SHIFT 3 |
135 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_MASK 0x1 |
136 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_SHIFT 4 |
137 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_MASK 0x1 |
138 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_SHIFT 5 |
139 | #define DIF_ON_IMMEDIATE_PARAMS_INTERVAL_SIZE_MASK 0x1 |
140 | #define DIF_ON_IMMEDIATE_PARAMS_INTERVAL_SIZE_SHIFT 6 |
141 | #define DIF_ON_IMMEDIATE_PARAMS_NETWORK_INTERFACE_MASK 0x1 |
142 | #define DIF_ON_IMMEDIATE_PARAMS_NETWORK_INTERFACE_SHIFT 7 |
143 | #define DIF_ON_IMMEDIATE_PARAMS_HOST_INTERFACE_MASK 0x3 |
144 | #define DIF_ON_IMMEDIATE_PARAMS_HOST_INTERFACE_SHIFT 8 |
145 | #define DIF_ON_IMMEDIATE_PARAMS_REF_TAG_MASK_MASK 0xF |
146 | #define DIF_ON_IMMEDIATE_PARAMS_REF_TAG_MASK_SHIFT 10 |
147 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_WITH_MASK_MASK 0x1 |
148 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_WITH_MASK_SHIFT 14 |
149 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_WITH_MASK_MASK 0x1 |
150 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_WITH_MASK_SHIFT 15 |
151 | u8 flags0; |
152 | #define DIF_ON_IMMEDIATE_PARAMS_RESERVED_MASK 0x1 |
153 | #define DIF_ON_IMMEDIATE_PARAMS_RESERVED_SHIFT 0 |
154 | #define DIF_ON_IMMEDIATE_PARAMS_IGNORE_APP_TAG_MASK 0x1 |
155 | #define DIF_ON_IMMEDIATE_PARAMS_IGNORE_APP_TAG_SHIFT 1 |
156 | #define DIF_ON_IMMEDIATE_PARAMS_INITIAL_REF_TAG_IS_VALID_MASK 0x1 |
157 | #define DIF_ON_IMMEDIATE_PARAMS_INITIAL_REF_TAG_IS_VALID_SHIFT 2 |
158 | #define DIF_ON_IMMEDIATE_PARAMS_HOST_GUARD_TYPE_MASK 0x1 |
159 | #define DIF_ON_IMMEDIATE_PARAMS_HOST_GUARD_TYPE_SHIFT 3 |
160 | #define DIF_ON_IMMEDIATE_PARAMS_PROTECTION_TYPE_MASK 0x3 |
161 | #define DIF_ON_IMMEDIATE_PARAMS_PROTECTION_TYPE_SHIFT 4 |
162 | #define DIF_ON_IMMEDIATE_PARAMS_CRC_SEED_MASK 0x1 |
163 | #define DIF_ON_IMMEDIATE_PARAMS_CRC_SEED_SHIFT 6 |
164 | #define DIF_ON_IMMEDIATE_PARAMS_KEEP_REF_TAG_CONST_MASK 0x1 |
165 | #define DIF_ON_IMMEDIATE_PARAMS_KEEP_REF_TAG_CONST_SHIFT 7 |
166 | u8 reserved_zero[5]; |
167 | }; |
168 | |
169 | /* iSCSI dif on immediate mode attributes union */ |
170 | union dif_configuration_params { |
171 | struct lun_mapper_addr_reserved lun_mapper_address; |
172 | struct dif_on_immediate_params def_dif_conf; |
173 | }; |
174 | |
175 | /* Union of data/r2t sequence number */ |
176 | union iscsi_seq_num { |
177 | __le16 data_sn; |
178 | __le16 r2t_sn; |
179 | }; |
180 | |
181 | /* iSCSI DIF flags */ |
182 | struct iscsi_dif_flags { |
183 | u8 flags; |
184 | #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_MASK 0xF |
185 | #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_SHIFT 0 |
186 | #define ISCSI_DIF_FLAGS_DIF_TO_PEER_MASK 0x1 |
187 | #define ISCSI_DIF_FLAGS_DIF_TO_PEER_SHIFT 4 |
188 | #define ISCSI_DIF_FLAGS_HOST_INTERFACE_MASK 0x7 |
189 | #define ISCSI_DIF_FLAGS_HOST_INTERFACE_SHIFT 5 |
190 | }; |
191 | |
192 | /* The iscsi storm task context of Ystorm */ |
193 | struct ystorm_iscsi_task_state { |
194 | struct scsi_cached_sges data_desc; |
195 | struct scsi_sgl_params sgl_params; |
196 | __le32 exp_r2t_sn; |
197 | __le32 buffer_offset; |
198 | union iscsi_seq_num seq_num; |
199 | struct iscsi_dif_flags dif_flags; |
200 | u8 flags; |
201 | #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_MASK 0x1 |
202 | #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_SHIFT 0 |
203 | #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_MASK 0x1 |
204 | #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_SHIFT 1 |
205 | #define YSTORM_ISCSI_TASK_STATE_SET_DIF_OFFSET_MASK 0x1 |
206 | #define YSTORM_ISCSI_TASK_STATE_SET_DIF_OFFSET_SHIFT 2 |
207 | #define YSTORM_ISCSI_TASK_STATE_RESERVED0_MASK 0x1F |
208 | #define YSTORM_ISCSI_TASK_STATE_RESERVED0_SHIFT 3 |
209 | }; |
210 | |
211 | /* The iscsi storm task context of Ystorm */ |
212 | struct ystorm_iscsi_task_rxmit_opt { |
213 | __le32 fast_rxmit_sge_offset; |
214 | __le32 scan_start_buffer_offset; |
215 | __le32 fast_rxmit_buffer_offset; |
216 | u8 scan_start_sgl_index; |
217 | u8 fast_rxmit_sgl_index; |
218 | __le16 reserved; |
219 | }; |
220 | |
221 | /* iSCSI Common PDU header */ |
222 | struct iscsi_common_hdr { |
223 | u8 hdr_status; |
224 | u8 hdr_response; |
225 | u8 hdr_flags; |
226 | u8 hdr_first_byte; |
227 | #define ISCSI_COMMON_HDR_OPCODE_MASK 0x3F |
228 | #define ISCSI_COMMON_HDR_OPCODE_SHIFT 0 |
229 | #define ISCSI_COMMON_HDR_IMM_MASK 0x1 |
230 | #define ISCSI_COMMON_HDR_IMM_SHIFT 6 |
231 | #define ISCSI_COMMON_HDR_RSRV_MASK 0x1 |
232 | #define ISCSI_COMMON_HDR_RSRV_SHIFT 7 |
233 | __le32 hdr_second_dword; |
234 | #define ISCSI_COMMON_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
235 | #define ISCSI_COMMON_HDR_DATA_SEG_LEN_SHIFT 0 |
236 | #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_MASK 0xFF |
237 | #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_SHIFT 24 |
238 | struct regpair lun_reserved; |
239 | __le32 itt; |
240 | __le32 ttt; |
241 | __le32 cmdstat_sn; |
242 | __le32 exp_statcmd_sn; |
243 | __le32 max_cmd_sn; |
244 | __le32 data[3]; |
245 | }; |
246 | |
247 | /* iSCSI Command PDU header */ |
248 | struct iscsi_cmd_hdr { |
249 | __le16 reserved1; |
250 | u8 flags_attr; |
251 | #define ISCSI_CMD_HDR_ATTR_MASK 0x7 |
252 | #define ISCSI_CMD_HDR_ATTR_SHIFT 0 |
253 | #define ISCSI_CMD_HDR_RSRV_MASK 0x3 |
254 | #define ISCSI_CMD_HDR_RSRV_SHIFT 3 |
255 | #define ISCSI_CMD_HDR_WRITE_MASK 0x1 |
256 | #define ISCSI_CMD_HDR_WRITE_SHIFT 5 |
257 | #define ISCSI_CMD_HDR_READ_MASK 0x1 |
258 | #define ISCSI_CMD_HDR_READ_SHIFT 6 |
259 | #define ISCSI_CMD_HDR_FINAL_MASK 0x1 |
260 | #define ISCSI_CMD_HDR_FINAL_SHIFT 7 |
261 | u8 hdr_first_byte; |
262 | #define ISCSI_CMD_HDR_OPCODE_MASK 0x3F |
263 | #define ISCSI_CMD_HDR_OPCODE_SHIFT 0 |
264 | #define ISCSI_CMD_HDR_IMM_MASK 0x1 |
265 | #define ISCSI_CMD_HDR_IMM_SHIFT 6 |
266 | #define ISCSI_CMD_HDR_RSRV1_MASK 0x1 |
267 | #define ISCSI_CMD_HDR_RSRV1_SHIFT 7 |
268 | __le32 hdr_second_dword; |
269 | #define ISCSI_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
270 | #define ISCSI_CMD_HDR_DATA_SEG_LEN_SHIFT 0 |
271 | #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_MASK 0xFF |
272 | #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_SHIFT 24 |
273 | struct regpair lun; |
274 | __le32 itt; |
275 | __le32 expected_transfer_length; |
276 | __le32 cmd_sn; |
277 | __le32 exp_stat_sn; |
278 | __le32 cdb[4]; |
279 | }; |
280 | |
281 | /* iSCSI Command PDU header with Extended CDB (Initiator Mode) */ |
282 | struct iscsi_ext_cdb_cmd_hdr { |
283 | __le16 reserved1; |
284 | u8 flags_attr; |
285 | #define ISCSI_EXT_CDB_CMD_HDR_ATTR_MASK 0x7 |
286 | #define ISCSI_EXT_CDB_CMD_HDR_ATTR_SHIFT 0 |
287 | #define ISCSI_EXT_CDB_CMD_HDR_RSRV_MASK 0x3 |
288 | #define ISCSI_EXT_CDB_CMD_HDR_RSRV_SHIFT 3 |
289 | #define ISCSI_EXT_CDB_CMD_HDR_WRITE_MASK 0x1 |
290 | #define ISCSI_EXT_CDB_CMD_HDR_WRITE_SHIFT 5 |
291 | #define ISCSI_EXT_CDB_CMD_HDR_READ_MASK 0x1 |
292 | #define ISCSI_EXT_CDB_CMD_HDR_READ_SHIFT 6 |
293 | #define ISCSI_EXT_CDB_CMD_HDR_FINAL_MASK 0x1 |
294 | #define ISCSI_EXT_CDB_CMD_HDR_FINAL_SHIFT 7 |
295 | u8 opcode; |
296 | __le32 hdr_second_dword; |
297 | #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
298 | #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_SHIFT 0 |
299 | #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_MASK 0xFF |
300 | #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_SHIFT 24 |
301 | struct regpair lun; |
302 | __le32 itt; |
303 | __le32 expected_transfer_length; |
304 | __le32 cmd_sn; |
305 | __le32 exp_stat_sn; |
306 | struct scsi_sge cdb_sge; |
307 | }; |
308 | |
309 | /* iSCSI login request PDU header */ |
310 | struct iscsi_login_req_hdr { |
311 | u8 version_min; |
312 | u8 version_max; |
313 | u8 flags_attr; |
314 | #define ISCSI_LOGIN_REQ_HDR_NSG_MASK 0x3 |
315 | #define ISCSI_LOGIN_REQ_HDR_NSG_SHIFT 0 |
316 | #define ISCSI_LOGIN_REQ_HDR_CSG_MASK 0x3 |
317 | #define ISCSI_LOGIN_REQ_HDR_CSG_SHIFT 2 |
318 | #define ISCSI_LOGIN_REQ_HDR_RSRV_MASK 0x3 |
319 | #define ISCSI_LOGIN_REQ_HDR_RSRV_SHIFT 4 |
320 | #define ISCSI_LOGIN_REQ_HDR_C_MASK 0x1 |
321 | #define ISCSI_LOGIN_REQ_HDR_C_SHIFT 6 |
322 | #define ISCSI_LOGIN_REQ_HDR_T_MASK 0x1 |
323 | #define ISCSI_LOGIN_REQ_HDR_T_SHIFT 7 |
324 | u8 opcode; |
325 | __le32 hdr_second_dword; |
326 | #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
327 | #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_SHIFT 0 |
328 | #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_MASK 0xFF |
329 | #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_SHIFT 24 |
330 | __le32 isid_tabc; |
331 | __le16 tsih; |
332 | __le16 isid_d; |
333 | __le32 itt; |
334 | __le16 reserved1; |
335 | __le16 cid; |
336 | __le32 cmd_sn; |
337 | __le32 exp_stat_sn; |
338 | __le32 reserved2[4]; |
339 | }; |
340 | |
341 | /* iSCSI logout request PDU header */ |
342 | struct iscsi_logout_req_hdr { |
343 | __le16 reserved0; |
344 | u8 reason_code; |
345 | u8 opcode; |
346 | __le32 reserved1; |
347 | __le32 reserved2[2]; |
348 | __le32 itt; |
349 | __le16 reserved3; |
350 | __le16 cid; |
351 | __le32 cmd_sn; |
352 | __le32 exp_stat_sn; |
353 | __le32 reserved4[4]; |
354 | }; |
355 | |
356 | /* iSCSI Data-out PDU header */ |
357 | struct iscsi_data_out_hdr { |
358 | __le16 reserved1; |
359 | u8 flags_attr; |
360 | #define ISCSI_DATA_OUT_HDR_RSRV_MASK 0x7F |
361 | #define ISCSI_DATA_OUT_HDR_RSRV_SHIFT 0 |
362 | #define ISCSI_DATA_OUT_HDR_FINAL_MASK 0x1 |
363 | #define ISCSI_DATA_OUT_HDR_FINAL_SHIFT 7 |
364 | u8 opcode; |
365 | __le32 reserved2; |
366 | struct regpair lun; |
367 | __le32 itt; |
368 | __le32 ttt; |
369 | __le32 reserved3; |
370 | __le32 exp_stat_sn; |
371 | __le32 reserved4; |
372 | __le32 data_sn; |
373 | __le32 buffer_offset; |
374 | __le32 reserved5; |
375 | }; |
376 | |
377 | /* iSCSI Data-in PDU header */ |
378 | struct iscsi_data_in_hdr { |
379 | u8 status_rsvd; |
380 | u8 reserved1; |
381 | u8 flags; |
382 | #define ISCSI_DATA_IN_HDR_STATUS_MASK 0x1 |
383 | #define ISCSI_DATA_IN_HDR_STATUS_SHIFT 0 |
384 | #define ISCSI_DATA_IN_HDR_UNDERFLOW_MASK 0x1 |
385 | #define ISCSI_DATA_IN_HDR_UNDERFLOW_SHIFT 1 |
386 | #define ISCSI_DATA_IN_HDR_OVERFLOW_MASK 0x1 |
387 | #define ISCSI_DATA_IN_HDR_OVERFLOW_SHIFT 2 |
388 | #define ISCSI_DATA_IN_HDR_RSRV_MASK 0x7 |
389 | #define ISCSI_DATA_IN_HDR_RSRV_SHIFT 3 |
390 | #define ISCSI_DATA_IN_HDR_ACK_MASK 0x1 |
391 | #define ISCSI_DATA_IN_HDR_ACK_SHIFT 6 |
392 | #define ISCSI_DATA_IN_HDR_FINAL_MASK 0x1 |
393 | #define ISCSI_DATA_IN_HDR_FINAL_SHIFT 7 |
394 | u8 opcode; |
395 | __le32 reserved2; |
396 | struct regpair lun; |
397 | __le32 itt; |
398 | __le32 ttt; |
399 | __le32 stat_sn; |
400 | __le32 exp_cmd_sn; |
401 | __le32 max_cmd_sn; |
402 | __le32 data_sn; |
403 | __le32 buffer_offset; |
404 | __le32 residual_count; |
405 | }; |
406 | |
407 | /* iSCSI R2T PDU header */ |
408 | struct iscsi_r2t_hdr { |
409 | u8 reserved0[3]; |
410 | u8 opcode; |
411 | __le32 reserved2; |
412 | struct regpair lun; |
413 | __le32 itt; |
414 | __le32 ttt; |
415 | __le32 stat_sn; |
416 | __le32 exp_cmd_sn; |
417 | __le32 max_cmd_sn; |
418 | __le32 r2t_sn; |
419 | __le32 buffer_offset; |
420 | __le32 desired_data_trns_len; |
421 | }; |
422 | |
423 | /* iSCSI NOP-out PDU header */ |
424 | struct iscsi_nop_out_hdr { |
425 | __le16 reserved1; |
426 | u8 flags_attr; |
427 | #define ISCSI_NOP_OUT_HDR_RSRV_MASK 0x7F |
428 | #define ISCSI_NOP_OUT_HDR_RSRV_SHIFT 0 |
429 | #define ISCSI_NOP_OUT_HDR_CONST1_MASK 0x1 |
430 | #define ISCSI_NOP_OUT_HDR_CONST1_SHIFT 7 |
431 | u8 opcode; |
432 | __le32 reserved2; |
433 | struct regpair lun; |
434 | __le32 itt; |
435 | __le32 ttt; |
436 | __le32 cmd_sn; |
437 | __le32 exp_stat_sn; |
438 | __le32 reserved3; |
439 | __le32 reserved4; |
440 | __le32 reserved5; |
441 | __le32 reserved6; |
442 | }; |
443 | |
444 | /* iSCSI NOP-in PDU header */ |
445 | struct iscsi_nop_in_hdr { |
446 | __le16 reserved0; |
447 | u8 flags_attr; |
448 | #define ISCSI_NOP_IN_HDR_RSRV_MASK 0x7F |
449 | #define ISCSI_NOP_IN_HDR_RSRV_SHIFT 0 |
450 | #define ISCSI_NOP_IN_HDR_CONST1_MASK 0x1 |
451 | #define ISCSI_NOP_IN_HDR_CONST1_SHIFT 7 |
452 | u8 opcode; |
453 | __le32 hdr_second_dword; |
454 | #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
455 | #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_SHIFT 0 |
456 | #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_MASK 0xFF |
457 | #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_SHIFT 24 |
458 | struct regpair lun; |
459 | __le32 itt; |
460 | __le32 ttt; |
461 | __le32 stat_sn; |
462 | __le32 exp_cmd_sn; |
463 | __le32 max_cmd_sn; |
464 | __le32 reserved5; |
465 | __le32 reserved6; |
466 | __le32 reserved7; |
467 | }; |
468 | |
469 | /* iSCSI Login Response PDU header */ |
470 | struct iscsi_login_response_hdr { |
471 | u8 version_active; |
472 | u8 version_max; |
473 | u8 flags_attr; |
474 | #define ISCSI_LOGIN_RESPONSE_HDR_NSG_MASK 0x3 |
475 | #define ISCSI_LOGIN_RESPONSE_HDR_NSG_SHIFT 0 |
476 | #define ISCSI_LOGIN_RESPONSE_HDR_CSG_MASK 0x3 |
477 | #define ISCSI_LOGIN_RESPONSE_HDR_CSG_SHIFT 2 |
478 | #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_MASK 0x3 |
479 | #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_SHIFT 4 |
480 | #define ISCSI_LOGIN_RESPONSE_HDR_C_MASK 0x1 |
481 | #define ISCSI_LOGIN_RESPONSE_HDR_C_SHIFT 6 |
482 | #define ISCSI_LOGIN_RESPONSE_HDR_T_MASK 0x1 |
483 | #define ISCSI_LOGIN_RESPONSE_HDR_T_SHIFT 7 |
484 | u8 opcode; |
485 | __le32 hdr_second_dword; |
486 | #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
487 | #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 |
488 | #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF |
489 | #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 |
490 | __le32 isid_tabc; |
491 | __le16 tsih; |
492 | __le16 isid_d; |
493 | __le32 itt; |
494 | __le32 reserved1; |
495 | __le32 stat_sn; |
496 | __le32 exp_cmd_sn; |
497 | __le32 max_cmd_sn; |
498 | __le16 reserved2; |
499 | u8 status_detail; |
500 | u8 status_class; |
501 | __le32 reserved4[2]; |
502 | }; |
503 | |
504 | /* iSCSI Logout Response PDU header */ |
505 | struct iscsi_logout_response_hdr { |
506 | u8 reserved1; |
507 | u8 response; |
508 | u8 flags; |
509 | u8 opcode; |
510 | __le32 hdr_second_dword; |
511 | #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
512 | #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 |
513 | #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF |
514 | #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 |
515 | __le32 reserved2[2]; |
516 | __le32 itt; |
517 | __le32 reserved3; |
518 | __le32 stat_sn; |
519 | __le32 exp_cmd_sn; |
520 | __le32 max_cmd_sn; |
521 | __le32 reserved4; |
522 | __le16 time_2_retain; |
523 | __le16 time_2_wait; |
524 | __le32 reserved5[1]; |
525 | }; |
526 | |
527 | /* iSCSI Text Request PDU header */ |
528 | struct iscsi_text_request_hdr { |
529 | __le16 reserved0; |
530 | u8 flags_attr; |
531 | #define ISCSI_TEXT_REQUEST_HDR_RSRV_MASK 0x3F |
532 | #define ISCSI_TEXT_REQUEST_HDR_RSRV_SHIFT 0 |
533 | #define ISCSI_TEXT_REQUEST_HDR_C_MASK 0x1 |
534 | #define ISCSI_TEXT_REQUEST_HDR_C_SHIFT 6 |
535 | #define ISCSI_TEXT_REQUEST_HDR_F_MASK 0x1 |
536 | #define ISCSI_TEXT_REQUEST_HDR_F_SHIFT 7 |
537 | u8 opcode; |
538 | __le32 hdr_second_dword; |
539 | #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
540 | #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 |
541 | #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF |
542 | #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 |
543 | struct regpair lun; |
544 | __le32 itt; |
545 | __le32 ttt; |
546 | __le32 cmd_sn; |
547 | __le32 exp_stat_sn; |
548 | __le32 reserved4[4]; |
549 | }; |
550 | |
551 | /* iSCSI Text Response PDU header */ |
552 | struct iscsi_text_response_hdr { |
553 | __le16 reserved1; |
554 | u8 flags; |
555 | #define ISCSI_TEXT_RESPONSE_HDR_RSRV_MASK 0x3F |
556 | #define ISCSI_TEXT_RESPONSE_HDR_RSRV_SHIFT 0 |
557 | #define ISCSI_TEXT_RESPONSE_HDR_C_MASK 0x1 |
558 | #define ISCSI_TEXT_RESPONSE_HDR_C_SHIFT 6 |
559 | #define ISCSI_TEXT_RESPONSE_HDR_F_MASK 0x1 |
560 | #define ISCSI_TEXT_RESPONSE_HDR_F_SHIFT 7 |
561 | u8 opcode; |
562 | __le32 hdr_second_dword; |
563 | #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
564 | #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 |
565 | #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF |
566 | #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 |
567 | struct regpair lun; |
568 | __le32 itt; |
569 | __le32 ttt; |
570 | __le32 stat_sn; |
571 | __le32 exp_cmd_sn; |
572 | __le32 max_cmd_sn; |
573 | __le32 reserved4[3]; |
574 | }; |
575 | |
576 | /* iSCSI TMF Request PDU header */ |
577 | struct iscsi_tmf_request_hdr { |
578 | __le16 reserved0; |
579 | u8 function; |
580 | u8 opcode; |
581 | __le32 hdr_second_dword; |
582 | #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
583 | #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 |
584 | #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF |
585 | #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 |
586 | struct regpair lun; |
587 | __le32 itt; |
588 | __le32 rtt; |
589 | __le32 cmd_sn; |
590 | __le32 exp_stat_sn; |
591 | __le32 ref_cmd_sn; |
592 | __le32 exp_data_sn; |
593 | __le32 reserved4[2]; |
594 | }; |
595 | |
596 | struct iscsi_tmf_response_hdr { |
597 | u8 reserved2; |
598 | u8 hdr_response; |
599 | u8 hdr_flags; |
600 | u8 opcode; |
601 | __le32 hdr_second_dword; |
602 | #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
603 | #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 |
604 | #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF |
605 | #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 |
606 | struct regpair reserved0; |
607 | __le32 itt; |
608 | __le32 reserved1; |
609 | __le32 stat_sn; |
610 | __le32 exp_cmd_sn; |
611 | __le32 max_cmd_sn; |
612 | __le32 reserved4[3]; |
613 | }; |
614 | |
615 | /* iSCSI Response PDU header */ |
616 | struct iscsi_response_hdr { |
617 | u8 hdr_status; |
618 | u8 hdr_response; |
619 | u8 hdr_flags; |
620 | u8 opcode; |
621 | __le32 hdr_second_dword; |
622 | #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
623 | #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 |
624 | #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF |
625 | #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 |
626 | struct regpair lun; |
627 | __le32 itt; |
628 | __le32 snack_tag; |
629 | __le32 stat_sn; |
630 | __le32 exp_cmd_sn; |
631 | __le32 max_cmd_sn; |
632 | __le32 exp_data_sn; |
633 | __le32 bi_residual_count; |
634 | __le32 residual_count; |
635 | }; |
636 | |
637 | /* iSCSI Reject PDU header */ |
638 | struct iscsi_reject_hdr { |
639 | u8 reserved4; |
640 | u8 hdr_reason; |
641 | u8 hdr_flags; |
642 | u8 opcode; |
643 | __le32 hdr_second_dword; |
644 | #define ISCSI_REJECT_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
645 | #define ISCSI_REJECT_HDR_DATA_SEG_LEN_SHIFT 0 |
646 | #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_MASK 0xFF |
647 | #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_SHIFT 24 |
648 | struct regpair reserved0; |
649 | __le32 all_ones; |
650 | __le32 reserved2; |
651 | __le32 stat_sn; |
652 | __le32 exp_cmd_sn; |
653 | __le32 max_cmd_sn; |
654 | __le32 data_sn; |
655 | __le32 reserved3[2]; |
656 | }; |
657 | |
658 | /* iSCSI Asynchronous Message PDU header */ |
659 | struct iscsi_async_msg_hdr { |
660 | __le16 reserved0; |
661 | u8 flags_attr; |
662 | #define ISCSI_ASYNC_MSG_HDR_RSRV_MASK 0x7F |
663 | #define ISCSI_ASYNC_MSG_HDR_RSRV_SHIFT 0 |
664 | #define ISCSI_ASYNC_MSG_HDR_CONST1_MASK 0x1 |
665 | #define ISCSI_ASYNC_MSG_HDR_CONST1_SHIFT 7 |
666 | u8 opcode; |
667 | __le32 hdr_second_dword; |
668 | #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
669 | #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_SHIFT 0 |
670 | #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_MASK 0xFF |
671 | #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_SHIFT 24 |
672 | struct regpair lun; |
673 | __le32 all_ones; |
674 | __le32 reserved1; |
675 | __le32 stat_sn; |
676 | __le32 exp_cmd_sn; |
677 | __le32 max_cmd_sn; |
678 | __le16 param1_rsrv; |
679 | u8 async_vcode; |
680 | u8 async_event; |
681 | __le16 param3_rsrv; |
682 | __le16 param2_rsrv; |
683 | __le32 reserved7; |
684 | }; |
685 | |
686 | /* PDU header part of Ystorm task context */ |
687 | union iscsi_task_hdr { |
688 | struct iscsi_common_hdr common; |
689 | struct data_hdr data; |
690 | struct iscsi_cmd_hdr cmd; |
691 | struct iscsi_ext_cdb_cmd_hdr ext_cdb_cmd; |
692 | struct iscsi_login_req_hdr login_req; |
693 | struct iscsi_logout_req_hdr logout_req; |
694 | struct iscsi_data_out_hdr data_out; |
695 | struct iscsi_data_in_hdr data_in; |
696 | struct iscsi_r2t_hdr r2t; |
697 | struct iscsi_nop_out_hdr nop_out; |
698 | struct iscsi_nop_in_hdr nop_in; |
699 | struct iscsi_login_response_hdr login_response; |
700 | struct iscsi_logout_response_hdr logout_response; |
701 | struct iscsi_text_request_hdr text_request; |
702 | struct iscsi_text_response_hdr text_response; |
703 | struct iscsi_tmf_request_hdr tmf_request; |
704 | struct iscsi_tmf_response_hdr tmf_response; |
705 | struct iscsi_response_hdr response; |
706 | struct iscsi_reject_hdr reject; |
707 | struct iscsi_async_msg_hdr async_msg; |
708 | }; |
709 | |
710 | /* The iscsi storm task context of Ystorm */ |
711 | struct ystorm_iscsi_task_st_ctx { |
712 | struct ystorm_iscsi_task_state state; |
713 | struct ystorm_iscsi_task_rxmit_opt rxmit_opt; |
714 | union iscsi_task_hdr pdu_hdr; |
715 | }; |
716 | |
717 | struct ystorm_iscsi_task_ag_ctx { |
718 | u8 reserved; |
719 | u8 byte1; |
720 | __le16 word0; |
721 | u8 flags0; |
722 | #define YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF |
723 | #define YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 |
724 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 |
725 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 |
726 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 |
727 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 |
728 | #define YSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 |
729 | #define YSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 |
730 | #define YSTORM_ISCSI_TASK_AG_CTX_TTT_VALID_MASK 0x1 /* bit3 */ |
731 | #define YSTORM_ISCSI_TASK_AG_CTX_TTT_VALID_SHIFT 7 |
732 | u8 flags1; |
733 | #define YSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 |
734 | #define YSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 0 |
735 | #define YSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 |
736 | #define YSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 |
737 | #define YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_MASK 0x3 |
738 | #define YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_SHIFT 4 |
739 | #define YSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 |
740 | #define YSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 6 |
741 | #define YSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 |
742 | #define YSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 |
743 | u8 flags2; |
744 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 |
745 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 |
746 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 |
747 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 |
748 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 |
749 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 |
750 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 |
751 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 |
752 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 |
753 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 |
754 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 |
755 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 |
756 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 |
757 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 |
758 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 |
759 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 |
760 | u8 byte2; |
761 | __le32 TTT; |
762 | u8 byte3; |
763 | u8 byte4; |
764 | __le16 word1; |
765 | }; |
766 | |
767 | struct mstorm_iscsi_task_ag_ctx { |
768 | u8 cdu_validation; |
769 | u8 byte1; |
770 | __le16 task_cid; |
771 | u8 flags0; |
772 | #define MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF |
773 | #define MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 |
774 | #define MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 |
775 | #define MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 |
776 | #define MSTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_MASK 0x1 |
777 | #define MSTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_SHIFT 5 |
778 | #define MSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 |
779 | #define MSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 |
780 | #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_MASK 0x1 |
781 | #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_SHIFT 7 |
782 | u8 flags1; |
783 | #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_MASK 0x3 |
784 | #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_SHIFT 0 |
785 | #define MSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 |
786 | #define MSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 |
787 | #define MSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 |
788 | #define MSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 4 |
789 | #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_MASK 0x1 |
790 | #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_SHIFT 6 |
791 | #define MSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 |
792 | #define MSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 |
793 | u8 flags2; |
794 | #define MSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 |
795 | #define MSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 0 |
796 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 |
797 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 |
798 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 |
799 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 |
800 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 |
801 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 |
802 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 |
803 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 |
804 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 |
805 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 |
806 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 |
807 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 |
808 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 |
809 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 |
810 | u8 byte2; |
811 | __le32 reg0; |
812 | u8 byte3; |
813 | u8 byte4; |
814 | __le16 word1; |
815 | }; |
816 | |
817 | struct ustorm_iscsi_task_ag_ctx { |
818 | u8 reserved; |
819 | u8 state; |
820 | __le16 icid; |
821 | u8 flags0; |
822 | #define USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF |
823 | #define USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 |
824 | #define USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 |
825 | #define USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 |
826 | #define USTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_MASK 0x1 |
827 | #define USTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_SHIFT 5 |
828 | #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_MASK 0x3 |
829 | #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_SHIFT 6 |
830 | u8 flags1; |
831 | #define USTORM_ISCSI_TASK_AG_CTX_RESERVED1_MASK 0x3 |
832 | #define USTORM_ISCSI_TASK_AG_CTX_RESERVED1_SHIFT 0 |
833 | #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_MASK 0x3 |
834 | #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_SHIFT 2 |
835 | #define USTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 |
836 | #define USTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 4 |
837 | #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_MASK 0x3 |
838 | #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_SHIFT 6 |
839 | u8 flags2; |
840 | #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_MASK 0x1 |
841 | #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_SHIFT 0 |
842 | #define USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_MASK 0x1 |
843 | #define USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_SHIFT 1 |
844 | #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_MASK 0x1 |
845 | #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_SHIFT 2 |
846 | #define USTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 |
847 | #define USTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 3 |
848 | #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK 0x1 |
849 | #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT 4 |
850 | #define USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_MASK 0x1 |
851 | #define USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_SHIFT 5 |
852 | #define USTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 |
853 | #define USTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 6 |
854 | #define USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_MASK 0x1 |
855 | #define USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_SHIFT 7 |
856 | u8 flags3; |
857 | #define USTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 |
858 | #define USTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 0 |
859 | #define USTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 |
860 | #define USTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 1 |
861 | #define USTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 |
862 | #define USTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 2 |
863 | #define USTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 |
864 | #define USTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 3 |
865 | #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_MASK 0xF |
866 | #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT 4 |
867 | __le32 dif_err_intervals; |
868 | __le32 dif_error_1st_interval; |
869 | __le32 rcv_cont_len; |
870 | __le32 exp_cont_len; |
871 | __le32 total_data_acked; |
872 | __le32 exp_data_acked; |
873 | u8 byte2; |
874 | u8 byte3; |
875 | __le16 word1; |
876 | __le16 next_tid; |
877 | __le16 word3; |
878 | __le32 hdr_residual_count; |
879 | __le32 exp_r2t_sn; |
880 | }; |
881 | |
882 | /* The iscsi storm task context of Mstorm */ |
883 | struct mstorm_iscsi_task_st_ctx { |
884 | struct scsi_cached_sges data_desc; |
885 | struct scsi_sgl_params sgl_params; |
886 | __le32 rem_task_size; |
887 | __le32 data_buffer_offset; |
888 | u8 task_type; |
889 | struct iscsi_dif_flags dif_flags; |
890 | __le16 dif_task_icid; |
891 | struct regpair sense_db; |
892 | __le32 expected_itt; |
893 | __le32 reserved1; |
894 | }; |
895 | |
896 | struct iscsi_reg1 { |
897 | __le32 reg1_map; |
898 | #define ISCSI_REG1_NUM_SGES_MASK 0xF |
899 | #define ISCSI_REG1_NUM_SGES_SHIFT 0 |
900 | #define ISCSI_REG1_RESERVED1_MASK 0xFFFFFFF |
901 | #define ISCSI_REG1_RESERVED1_SHIFT 4 |
902 | }; |
903 | |
904 | struct tqe_opaque { |
905 | __le16 opaque[2]; |
906 | }; |
907 | |
908 | /* The iscsi storm task context of Ustorm */ |
909 | struct ustorm_iscsi_task_st_ctx { |
910 | __le32 rem_rcv_len; |
911 | __le32 exp_data_transfer_len; |
912 | __le32 exp_data_sn; |
913 | struct regpair lun; |
914 | struct iscsi_reg1 reg1; |
915 | u8 flags2; |
916 | #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_MASK 0x1 |
917 | #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_SHIFT 0 |
918 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_MASK 0x7F |
919 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_SHIFT 1 |
920 | struct iscsi_dif_flags dif_flags; |
921 | __le16 reserved3; |
922 | struct tqe_opaque tqe_opaque_list; |
923 | __le32 reserved5; |
924 | __le32 reserved6; |
925 | __le32 reserved7; |
926 | u8 task_type; |
927 | u8 error_flags; |
928 | #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_MASK 0x1 |
929 | #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_SHIFT 0 |
930 | #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_MASK 0x1 |
931 | #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_SHIFT 1 |
932 | #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_MASK 0x1 |
933 | #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_SHIFT 2 |
934 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_MASK 0x1F |
935 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_SHIFT 3 |
936 | u8 flags; |
937 | #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_MASK 0x3 |
938 | #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_SHIFT 0 |
939 | #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_MASK 0x1 |
940 | #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_SHIFT 2 |
941 | #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_MASK 0x1 |
942 | #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_SHIFT 3 |
943 | #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_MASK 0x1 |
944 | #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_SHIFT 4 |
945 | #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_MASK 0x1 |
946 | #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_SHIFT 5 |
947 | #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_MASK 0x1 |
948 | #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_SHIFT 6 |
949 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_MASK 0x1 |
950 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_SHIFT 7 |
951 | u8 ; |
952 | }; |
953 | |
954 | /* iscsi task context */ |
955 | struct iscsi_task_context { |
956 | struct ystorm_iscsi_task_st_ctx ystorm_st_context; |
957 | struct ystorm_iscsi_task_ag_ctx ystorm_ag_context; |
958 | struct regpair ystorm_ag_padding[2]; |
959 | struct tdif_task_context tdif_context; |
960 | struct mstorm_iscsi_task_ag_ctx mstorm_ag_context; |
961 | struct regpair mstorm_ag_padding[2]; |
962 | struct ustorm_iscsi_task_ag_ctx ustorm_ag_context; |
963 | struct mstorm_iscsi_task_st_ctx mstorm_st_context; |
964 | struct ustorm_iscsi_task_st_ctx ustorm_st_context; |
965 | struct rdif_task_context rdif_context; |
966 | }; |
967 | |
968 | /* iSCSI connection offload params passed by driver to FW in ISCSI offload |
969 | * ramrod. |
970 | */ |
971 | struct iscsi_conn_offload_params { |
972 | struct regpair sq_pbl_addr; |
973 | struct regpair r2tq_pbl_addr; |
974 | struct regpair xhq_pbl_addr; |
975 | struct regpair uhq_pbl_addr; |
976 | __le16 physical_q0; |
977 | __le16 physical_q1; |
978 | u8 flags; |
979 | #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_MASK 0x1 |
980 | #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_SHIFT 0 |
981 | #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_MASK 0x1 |
982 | #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_SHIFT 1 |
983 | #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_MASK 0x1 |
984 | #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_SHIFT 2 |
985 | #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_MASK 0x1F |
986 | #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_SHIFT 3 |
987 | u8 default_cq; |
988 | __le16 reserved0; |
989 | __le32 stat_sn; |
990 | __le32 initial_ack; |
991 | }; |
992 | |
993 | /* iSCSI connection statistics */ |
994 | struct iscsi_conn_stats_params { |
995 | struct regpair iscsi_tcp_tx_packets_cnt; |
996 | struct regpair iscsi_tcp_tx_bytes_cnt; |
997 | struct regpair iscsi_tcp_tx_rxmit_cnt; |
998 | struct regpair iscsi_tcp_rx_packets_cnt; |
999 | struct regpair iscsi_tcp_rx_bytes_cnt; |
1000 | struct regpair iscsi_tcp_rx_dup_ack_cnt; |
1001 | __le32 iscsi_tcp_rx_chksum_err_cnt; |
1002 | __le32 reserved; |
1003 | }; |
1004 | |
1005 | |
1006 | /* iSCSI connection update params passed by driver to FW in ISCSI update |
1007 | *ramrod. |
1008 | */ |
1009 | struct iscsi_conn_update_ramrod_params { |
1010 | __le16 reserved0; |
1011 | __le16 conn_id; |
1012 | __le32 reserved1; |
1013 | u8 flags; |
1014 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_MASK 0x1 |
1015 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_SHIFT 0 |
1016 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_MASK 0x1 |
1017 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_SHIFT 1 |
1018 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_MASK 0x1 |
1019 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_SHIFT 2 |
1020 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_MASK 0x1 |
1021 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_SHIFT 3 |
1022 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_MASK 0x1 |
1023 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_SHIFT 4 |
1024 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_MASK 0x1 |
1025 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_SHIFT 5 |
1026 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_IMM_EN_MASK 0x1 |
1027 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_IMM_EN_SHIFT 6 |
1028 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_LUN_MAPPER_EN_MASK 0x1 |
1029 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_LUN_MAPPER_EN_SHIFT 7 |
1030 | u8 reserved3[3]; |
1031 | __le32 max_seq_size; |
1032 | __le32 max_send_pdu_length; |
1033 | __le32 max_recv_pdu_length; |
1034 | __le32 first_seq_length; |
1035 | __le32 exp_stat_sn; |
1036 | union dif_configuration_params dif_on_imme_params; |
1037 | }; |
1038 | |
1039 | /* iSCSI CQ element */ |
1040 | struct iscsi_cqe_common { |
1041 | __le16 conn_id; |
1042 | u8 cqe_type; |
1043 | union cqe_error_status error_bitmap; |
1044 | __le32 reserved[3]; |
1045 | union iscsi_task_hdr iscsi_hdr; |
1046 | }; |
1047 | |
1048 | /* iSCSI CQ element */ |
1049 | struct iscsi_cqe_solicited { |
1050 | __le16 conn_id; |
1051 | u8 cqe_type; |
1052 | union cqe_error_status error_bitmap; |
1053 | __le16 itid; |
1054 | u8 task_type; |
1055 | u8 fw_dbg_field; |
1056 | u8 caused_conn_err; |
1057 | u8 reserved0[3]; |
1058 | __le32 data_truncated_bytes; |
1059 | union iscsi_task_hdr iscsi_hdr; |
1060 | }; |
1061 | |
1062 | /* iSCSI CQ element */ |
1063 | struct iscsi_cqe_unsolicited { |
1064 | __le16 conn_id; |
1065 | u8 cqe_type; |
1066 | union cqe_error_status error_bitmap; |
1067 | __le16 reserved0; |
1068 | u8 reserved1; |
1069 | u8 unsol_cqe_type; |
1070 | __le16 rqe_opaque; |
1071 | __le16 reserved2[3]; |
1072 | union iscsi_task_hdr iscsi_hdr; |
1073 | }; |
1074 | |
1075 | /* iSCSI CQ element */ |
1076 | union iscsi_cqe { |
1077 | struct iscsi_cqe_common cqe_common; |
1078 | struct iscsi_cqe_solicited cqe_solicited; |
1079 | struct iscsi_cqe_unsolicited cqe_unsolicited; |
1080 | }; |
1081 | |
1082 | /* iSCSI CQE type */ |
1083 | enum iscsi_cqes_type { |
1084 | ISCSI_CQE_TYPE_SOLICITED = 1, |
1085 | ISCSI_CQE_TYPE_UNSOLICITED, |
1086 | ISCSI_CQE_TYPE_SOLICITED_WITH_SENSE, |
1087 | ISCSI_CQE_TYPE_TASK_CLEANUP, |
1088 | ISCSI_CQE_TYPE_DUMMY, |
1089 | MAX_ISCSI_CQES_TYPE |
1090 | }; |
1091 | |
1092 | /* iSCSI CQE type */ |
1093 | enum iscsi_cqe_unsolicited_type { |
1094 | ISCSI_CQE_UNSOLICITED_NONE, |
1095 | ISCSI_CQE_UNSOLICITED_SINGLE, |
1096 | ISCSI_CQE_UNSOLICITED_FIRST, |
1097 | ISCSI_CQE_UNSOLICITED_MIDDLE, |
1098 | ISCSI_CQE_UNSOLICITED_LAST, |
1099 | MAX_ISCSI_CQE_UNSOLICITED_TYPE |
1100 | }; |
1101 | |
1102 | /* iscsi debug modes */ |
1103 | struct iscsi_debug_modes { |
1104 | u8 flags; |
1105 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_MASK 0x1 |
1106 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_SHIFT 0 |
1107 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_MASK 0x1 |
1108 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_SHIFT 1 |
1109 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_MASK 0x1 |
1110 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_SHIFT 2 |
1111 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_MASK 0x1 |
1112 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_SHIFT 3 |
1113 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_MASK 0x1 |
1114 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_SHIFT 4 |
1115 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_MASK 0x1 |
1116 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_SHIFT 5 |
1117 | #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_OR_DATA_DIGEST_ERROR_MASK 0x1 |
1118 | #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_OR_DATA_DIGEST_ERROR_SHIFT 6 |
1119 | #define ISCSI_DEBUG_MODES_ASSERT_IF_HQ_CORRUPT_MASK 0x1 |
1120 | #define ISCSI_DEBUG_MODES_ASSERT_IF_HQ_CORRUPT_SHIFT 7 |
1121 | }; |
1122 | |
1123 | /* iSCSI kernel completion queue IDs */ |
1124 | enum iscsi_eqe_opcode { |
1125 | ISCSI_EVENT_TYPE_INIT_FUNC = 0, |
1126 | ISCSI_EVENT_TYPE_DESTROY_FUNC, |
1127 | ISCSI_EVENT_TYPE_OFFLOAD_CONN, |
1128 | ISCSI_EVENT_TYPE_UPDATE_CONN, |
1129 | ISCSI_EVENT_TYPE_CLEAR_SQ, |
1130 | ISCSI_EVENT_TYPE_TERMINATE_CONN, |
1131 | ISCSI_EVENT_TYPE_MAC_UPDATE_CONN, |
1132 | ISCSI_EVENT_TYPE_COLLECT_STATS_CONN, |
1133 | ISCSI_EVENT_TYPE_ASYN_CONNECT_COMPLETE, |
1134 | ISCSI_EVENT_TYPE_ASYN_TERMINATE_DONE, |
1135 | ISCSI_EVENT_TYPE_START_OF_ERROR_TYPES = 10, |
1136 | ISCSI_EVENT_TYPE_ASYN_ABORT_RCVD, |
1137 | ISCSI_EVENT_TYPE_ASYN_CLOSE_RCVD, |
1138 | ISCSI_EVENT_TYPE_ASYN_SYN_RCVD, |
1139 | ISCSI_EVENT_TYPE_ASYN_MAX_RT_TIME, |
1140 | ISCSI_EVENT_TYPE_ASYN_MAX_RT_CNT, |
1141 | ISCSI_EVENT_TYPE_ASYN_MAX_KA_PROBES_CNT, |
1142 | ISCSI_EVENT_TYPE_ASYN_FIN_WAIT2, |
1143 | ISCSI_EVENT_TYPE_ISCSI_CONN_ERROR, |
1144 | ISCSI_EVENT_TYPE_TCP_CONN_ERROR, |
1145 | MAX_ISCSI_EQE_OPCODE |
1146 | }; |
1147 | |
1148 | /* iSCSI EQE and CQE completion status */ |
1149 | enum iscsi_error_types { |
1150 | ISCSI_STATUS_NONE = 0, |
1151 | ISCSI_CQE_ERROR_UNSOLICITED_RCV_ON_INVALID_CONN = 1, |
1152 | ISCSI_CONN_ERROR_TASK_CID_MISMATCH, |
1153 | ISCSI_CONN_ERROR_TASK_NOT_VALID, |
1154 | ISCSI_CONN_ERROR_RQ_RING_IS_FULL, |
1155 | ISCSI_CONN_ERROR_CMDQ_RING_IS_FULL, |
1156 | ISCSI_CONN_ERROR_HQE_CACHING_FAILED, |
1157 | , |
1158 | ISCSI_CONN_ERROR_LOCAL_COMPLETION_ERROR, |
1159 | ISCSI_CONN_ERROR_DATA_OVERRUN, |
1160 | ISCSI_CONN_ERROR_OUT_OF_SGES_ERROR, |
1161 | ISCSI_CONN_ERROR_IP_OPTIONS_ERROR, |
1162 | ISCSI_CONN_ERROR_PRS_ERRORS, |
1163 | ISCSI_CONN_ERROR_CONNECT_INVALID_TCP_OPTION, |
1164 | ISCSI_CONN_ERROR_TCP_IP_FRAGMENT_ERROR, |
1165 | ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_LEN, |
1166 | ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_TYPE, |
1167 | ISCSI_CONN_ERROR_PROTOCOL_ERR_ITT_OUT_OF_RANGE, |
1168 | ISCSI_CONN_ERROR_PROTOCOL_ERR_TTT_OUT_OF_RANGE, |
1169 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_EXCEEDS_PDU_SIZE, |
1170 | ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE, |
1171 | ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE_BEFORE_UPDATE, |
1172 | ISCSI_CONN_ERROR_UNVALID_NOPIN_DSL, |
1173 | ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_CARRIES_NO_DATA, |
1174 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SN, |
1175 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_IN_TTT, |
1176 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_OUT_ITT, |
1177 | ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_TTT, |
1178 | ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_BUFFER_OFFSET, |
1179 | ISCSI_CONN_ERROR_PROTOCOL_ERR_BUFFER_OFFSET_OOO, |
1180 | ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_SN, |
1181 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0, |
1182 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1, |
1183 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_2, |
1184 | ISCSI_CONN_ERROR_PROTOCOL_ERR_LUN, |
1185 | ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO, |
1186 | ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO_S_BIT_ONE, |
1187 | ISCSI_CONN_ERROR_PROTOCOL_ERR_EXP_STAT_SN, |
1188 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DSL_NOT_ZERO, |
1189 | ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_DSL, |
1190 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG, |
1191 | ISCSI_CONN_ERROR_PROTOCOL_ERR_OUTSTANDING_R2T_COUNT, |
1192 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DIF_TX, |
1193 | ISCSI_CONN_ERROR_SENSE_DATA_LENGTH, |
1194 | ISCSI_CONN_ERROR_DATA_PLACEMENT_ERROR, |
1195 | ISCSI_CONN_ERROR_INVALID_ITT, |
1196 | ISCSI_ERROR_UNKNOWN, |
1197 | MAX_ISCSI_ERROR_TYPES |
1198 | }; |
1199 | |
1200 | /* iSCSI Ramrod Command IDs */ |
1201 | enum iscsi_ramrod_cmd_id { |
1202 | ISCSI_RAMROD_CMD_ID_UNUSED = 0, |
1203 | ISCSI_RAMROD_CMD_ID_INIT_FUNC = 1, |
1204 | ISCSI_RAMROD_CMD_ID_DESTROY_FUNC = 2, |
1205 | ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN = 3, |
1206 | ISCSI_RAMROD_CMD_ID_UPDATE_CONN = 4, |
1207 | ISCSI_RAMROD_CMD_ID_TERMINATION_CONN = 5, |
1208 | ISCSI_RAMROD_CMD_ID_CLEAR_SQ = 6, |
1209 | ISCSI_RAMROD_CMD_ID_MAC_UPDATE = 7, |
1210 | ISCSI_RAMROD_CMD_ID_CONN_STATS = 8, |
1211 | MAX_ISCSI_RAMROD_CMD_ID |
1212 | }; |
1213 | |
1214 | /* iSCSI connection termination request */ |
1215 | struct iscsi_spe_conn_mac_update { |
1216 | __le16 reserved0; |
1217 | __le16 conn_id; |
1218 | __le32 reserved1; |
1219 | __le16 remote_mac_addr_lo; |
1220 | __le16 remote_mac_addr_mid; |
1221 | __le16 remote_mac_addr_hi; |
1222 | u8 reserved2[2]; |
1223 | }; |
1224 | |
1225 | /* iSCSI and TCP connection (Option 1) offload params passed by driver to FW in |
1226 | * iSCSI offload ramrod. |
1227 | */ |
1228 | struct iscsi_spe_conn_offload { |
1229 | __le16 reserved0; |
1230 | __le16 conn_id; |
1231 | __le32 reserved1; |
1232 | struct iscsi_conn_offload_params iscsi; |
1233 | struct tcp_offload_params tcp; |
1234 | }; |
1235 | |
1236 | /* iSCSI and TCP connection(Option 2) offload params passed by driver to FW in |
1237 | * iSCSI offload ramrod. |
1238 | */ |
1239 | struct iscsi_spe_conn_offload_option2 { |
1240 | __le16 reserved0; |
1241 | __le16 conn_id; |
1242 | __le32 reserved1; |
1243 | struct iscsi_conn_offload_params iscsi; |
1244 | struct tcp_offload_params_opt2 tcp; |
1245 | }; |
1246 | |
1247 | /* iSCSI collect connection statistics request */ |
1248 | struct iscsi_spe_conn_statistics { |
1249 | __le16 reserved0; |
1250 | __le16 conn_id; |
1251 | __le32 reserved1; |
1252 | u8 reset_stats; |
1253 | u8 reserved2[7]; |
1254 | struct regpair stats_cnts_addr; |
1255 | }; |
1256 | |
1257 | /* iSCSI connection termination request */ |
1258 | struct iscsi_spe_conn_termination { |
1259 | __le16 reserved0; |
1260 | __le16 conn_id; |
1261 | __le32 reserved1; |
1262 | u8 abortive; |
1263 | u8 reserved2[7]; |
1264 | struct regpair queue_cnts_addr; |
1265 | struct regpair query_params_addr; |
1266 | }; |
1267 | |
1268 | /* iSCSI firmware function init parameters */ |
1269 | struct iscsi_spe_func_init { |
1270 | __le16 half_way_close_timeout; |
1271 | u8 num_sq_pages_in_ring; |
1272 | u8 num_r2tq_pages_in_ring; |
1273 | u8 num_uhq_pages_in_ring; |
1274 | u8 ll2_rx_queue_id; |
1275 | u8 flags; |
1276 | #define ISCSI_SPE_FUNC_INIT_COUNTERS_EN_MASK 0x1 |
1277 | #define ISCSI_SPE_FUNC_INIT_COUNTERS_EN_SHIFT 0 |
1278 | #define ISCSI_SPE_FUNC_INIT_RESERVED0_MASK 0x7F |
1279 | #define ISCSI_SPE_FUNC_INIT_RESERVED0_SHIFT 1 |
1280 | struct iscsi_debug_modes debug_mode; |
1281 | u8 params; |
1282 | #define ISCSI_SPE_FUNC_INIT_MAX_SYN_RT_MASK 0xF |
1283 | #define ISCSI_SPE_FUNC_INIT_MAX_SYN_RT_SHIFT 0 |
1284 | #define ISCSI_SPE_FUNC_INIT_RESERVED1_MASK 0xF |
1285 | #define ISCSI_SPE_FUNC_INIT_RESERVED1_SHIFT 4 |
1286 | u8 reserved2[7]; |
1287 | struct scsi_init_func_params func_params; |
1288 | struct scsi_init_func_queues q_params; |
1289 | }; |
1290 | |
1291 | /* iSCSI task type */ |
1292 | enum iscsi_task_type { |
1293 | ISCSI_TASK_TYPE_INITIATOR_WRITE, |
1294 | ISCSI_TASK_TYPE_INITIATOR_READ, |
1295 | ISCSI_TASK_TYPE_MIDPATH, |
1296 | ISCSI_TASK_TYPE_UNSOLIC, |
1297 | ISCSI_TASK_TYPE_EXCHCLEANUP, |
1298 | ISCSI_TASK_TYPE_IRRELEVANT, |
1299 | ISCSI_TASK_TYPE_TARGET_WRITE, |
1300 | ISCSI_TASK_TYPE_TARGET_READ, |
1301 | ISCSI_TASK_TYPE_TARGET_RESPONSE, |
1302 | ISCSI_TASK_TYPE_LOGIN_RESPONSE, |
1303 | ISCSI_TASK_TYPE_TARGET_IMM_W_DIF, |
1304 | MAX_ISCSI_TASK_TYPE |
1305 | }; |
1306 | |
1307 | /* iSCSI DesiredDataTransferLength/ttt union */ |
1308 | union iscsi_ttt_txlen_union { |
1309 | __le32 desired_tx_len; |
1310 | __le32 ttt; |
1311 | }; |
1312 | |
1313 | /* iSCSI uHQ element */ |
1314 | struct iscsi_uhqe { |
1315 | __le32 reg1; |
1316 | #define ISCSI_UHQE_PDU_PAYLOAD_LEN_MASK 0xFFFFF |
1317 | #define ISCSI_UHQE_PDU_PAYLOAD_LEN_SHIFT 0 |
1318 | #define ISCSI_UHQE_LOCAL_COMP_MASK 0x1 |
1319 | #define ISCSI_UHQE_LOCAL_COMP_SHIFT 20 |
1320 | #define ISCSI_UHQE_TOGGLE_BIT_MASK 0x1 |
1321 | #define ISCSI_UHQE_TOGGLE_BIT_SHIFT 21 |
1322 | #define ISCSI_UHQE_PURE_PAYLOAD_MASK 0x1 |
1323 | #define ISCSI_UHQE_PURE_PAYLOAD_SHIFT 22 |
1324 | #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_MASK 0x1 |
1325 | #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_SHIFT 23 |
1326 | #define ISCSI_UHQE_TASK_ID_HI_MASK 0xFF |
1327 | #define ISCSI_UHQE_TASK_ID_HI_SHIFT 24 |
1328 | __le32 reg2; |
1329 | #define ISCSI_UHQE_BUFFER_OFFSET_MASK 0xFFFFFF |
1330 | #define ISCSI_UHQE_BUFFER_OFFSET_SHIFT 0 |
1331 | #define ISCSI_UHQE_TASK_ID_LO_MASK 0xFF |
1332 | #define ISCSI_UHQE_TASK_ID_LO_SHIFT 24 |
1333 | }; |
1334 | |
1335 | /* iSCSI WQ element */ |
1336 | struct iscsi_wqe { |
1337 | __le16 task_id; |
1338 | u8 flags; |
1339 | #define ISCSI_WQE_WQE_TYPE_MASK 0x7 |
1340 | #define ISCSI_WQE_WQE_TYPE_SHIFT 0 |
1341 | #define ISCSI_WQE_NUM_SGES_MASK 0xF |
1342 | #define ISCSI_WQE_NUM_SGES_SHIFT 3 |
1343 | #define ISCSI_WQE_RESPONSE_MASK 0x1 |
1344 | #define ISCSI_WQE_RESPONSE_SHIFT 7 |
1345 | struct iscsi_dif_flags prot_flags; |
1346 | __le32 contlen_cdbsize; |
1347 | #define ISCSI_WQE_CONT_LEN_MASK 0xFFFFFF |
1348 | #define ISCSI_WQE_CONT_LEN_SHIFT 0 |
1349 | #define ISCSI_WQE_CDB_SIZE_MASK 0xFF |
1350 | #define ISCSI_WQE_CDB_SIZE_SHIFT 24 |
1351 | }; |
1352 | |
1353 | /* iSCSI wqe type */ |
1354 | enum iscsi_wqe_type { |
1355 | ISCSI_WQE_TYPE_NORMAL, |
1356 | ISCSI_WQE_TYPE_TASK_CLEANUP, |
1357 | ISCSI_WQE_TYPE_MIDDLE_PATH, |
1358 | ISCSI_WQE_TYPE_LOGIN, |
1359 | ISCSI_WQE_TYPE_FIRST_R2T_CONT, |
1360 | ISCSI_WQE_TYPE_NONFIRST_R2T_CONT, |
1361 | ISCSI_WQE_TYPE_RESPONSE, |
1362 | MAX_ISCSI_WQE_TYPE |
1363 | }; |
1364 | |
1365 | /* iSCSI xHQ element */ |
1366 | struct iscsi_xhqe { |
1367 | union iscsi_ttt_txlen_union ttt_or_txlen; |
1368 | __le32 exp_stat_sn; |
1369 | struct iscsi_dif_flags prot_flags; |
1370 | u8 total_ahs_length; |
1371 | u8 opcode; |
1372 | u8 flags; |
1373 | #define ISCSI_XHQE_FINAL_MASK 0x1 |
1374 | #define ISCSI_XHQE_FINAL_SHIFT 0 |
1375 | #define ISCSI_XHQE_STATUS_BIT_MASK 0x1 |
1376 | #define ISCSI_XHQE_STATUS_BIT_SHIFT 1 |
1377 | #define ISCSI_XHQE_NUM_SGES_MASK 0xF |
1378 | #define ISCSI_XHQE_NUM_SGES_SHIFT 2 |
1379 | #define ISCSI_XHQE_RESERVED0_MASK 0x3 |
1380 | #define ISCSI_XHQE_RESERVED0_SHIFT 6 |
1381 | union iscsi_seq_num seq_num; |
1382 | __le16 reserved1; |
1383 | }; |
1384 | |
1385 | /* Per PF iSCSI receive path statistics - mStorm RAM structure */ |
1386 | struct mstorm_iscsi_stats_drv { |
1387 | struct regpair iscsi_rx_dropped_pdus_task_not_valid; |
1388 | struct regpair iscsi_rx_dup_ack_cnt; |
1389 | }; |
1390 | |
1391 | /* Per PF iSCSI transmit path statistics - pStorm RAM structure */ |
1392 | struct pstorm_iscsi_stats_drv { |
1393 | struct regpair iscsi_tx_bytes_cnt; |
1394 | struct regpair iscsi_tx_packet_cnt; |
1395 | }; |
1396 | |
1397 | /* Per PF iSCSI receive path statistics - tStorm RAM structure */ |
1398 | struct tstorm_iscsi_stats_drv { |
1399 | struct regpair iscsi_rx_bytes_cnt; |
1400 | struct regpair iscsi_rx_packet_cnt; |
1401 | struct regpair iscsi_rx_new_ooo_isle_events_cnt; |
1402 | struct regpair iscsi_rx_tcp_payload_bytes_cnt; |
1403 | struct regpair iscsi_rx_tcp_pkt_cnt; |
1404 | struct regpair iscsi_rx_pure_ack_cnt; |
1405 | __le32 iscsi_cmdq_threshold_cnt; |
1406 | __le32 iscsi_rq_threshold_cnt; |
1407 | __le32 iscsi_immq_threshold_cnt; |
1408 | }; |
1409 | |
1410 | /* Per PF iSCSI receive path statistics - uStorm RAM structure */ |
1411 | struct ustorm_iscsi_stats_drv { |
1412 | struct regpair iscsi_rx_data_pdu_cnt; |
1413 | struct regpair iscsi_rx_r2t_pdu_cnt; |
1414 | struct regpair iscsi_rx_total_pdu_cnt; |
1415 | }; |
1416 | |
1417 | /* Per PF iSCSI transmit path statistics - xStorm RAM structure */ |
1418 | struct xstorm_iscsi_stats_drv { |
1419 | struct regpair iscsi_tx_go_to_slow_start_event_cnt; |
1420 | struct regpair iscsi_tx_fast_retransmit_event_cnt; |
1421 | struct regpair iscsi_tx_pure_ack_cnt; |
1422 | struct regpair iscsi_tx_delayed_ack_cnt; |
1423 | }; |
1424 | |
1425 | /* Per PF iSCSI transmit path statistics - yStorm RAM structure */ |
1426 | struct ystorm_iscsi_stats_drv { |
1427 | struct regpair iscsi_tx_data_pdu_cnt; |
1428 | struct regpair iscsi_tx_r2t_pdu_cnt; |
1429 | struct regpair iscsi_tx_total_pdu_cnt; |
1430 | struct regpair iscsi_tx_tcp_payload_bytes_cnt; |
1431 | struct regpair iscsi_tx_tcp_pkt_cnt; |
1432 | }; |
1433 | |
1434 | struct tstorm_iscsi_task_ag_ctx { |
1435 | u8 byte0; |
1436 | u8 byte1; |
1437 | __le16 word0; |
1438 | u8 flags0; |
1439 | #define TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF |
1440 | #define TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 |
1441 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 |
1442 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 |
1443 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 |
1444 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 |
1445 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT2_MASK 0x1 |
1446 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT2_SHIFT 6 |
1447 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 |
1448 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 |
1449 | u8 flags1; |
1450 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 |
1451 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 |
1452 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT5_MASK 0x1 |
1453 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT5_SHIFT 1 |
1454 | #define TSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 |
1455 | #define TSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 2 |
1456 | #define TSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 |
1457 | #define TSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 4 |
1458 | #define TSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 |
1459 | #define TSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 6 |
1460 | u8 flags2; |
1461 | #define TSTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 |
1462 | #define TSTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 0 |
1463 | #define TSTORM_ISCSI_TASK_AG_CTX_CF4_MASK 0x3 |
1464 | #define TSTORM_ISCSI_TASK_AG_CTX_CF4_SHIFT 2 |
1465 | #define TSTORM_ISCSI_TASK_AG_CTX_CF5_MASK 0x3 |
1466 | #define TSTORM_ISCSI_TASK_AG_CTX_CF5_SHIFT 4 |
1467 | #define TSTORM_ISCSI_TASK_AG_CTX_CF6_MASK 0x3 |
1468 | #define TSTORM_ISCSI_TASK_AG_CTX_CF6_SHIFT 6 |
1469 | u8 flags3; |
1470 | #define TSTORM_ISCSI_TASK_AG_CTX_CF7_MASK 0x3 |
1471 | #define TSTORM_ISCSI_TASK_AG_CTX_CF7_SHIFT 0 |
1472 | #define TSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 |
1473 | #define TSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 2 |
1474 | #define TSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 |
1475 | #define TSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 3 |
1476 | #define TSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 |
1477 | #define TSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 4 |
1478 | #define TSTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 |
1479 | #define TSTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 5 |
1480 | #define TSTORM_ISCSI_TASK_AG_CTX_CF4EN_MASK 0x1 |
1481 | #define TSTORM_ISCSI_TASK_AG_CTX_CF4EN_SHIFT 6 |
1482 | #define TSTORM_ISCSI_TASK_AG_CTX_CF5EN_MASK 0x1 |
1483 | #define TSTORM_ISCSI_TASK_AG_CTX_CF5EN_SHIFT 7 |
1484 | u8 flags4; |
1485 | #define TSTORM_ISCSI_TASK_AG_CTX_CF6EN_MASK 0x1 |
1486 | #define TSTORM_ISCSI_TASK_AG_CTX_CF6EN_SHIFT 0 |
1487 | #define TSTORM_ISCSI_TASK_AG_CTX_CF7EN_MASK 0x1 |
1488 | #define TSTORM_ISCSI_TASK_AG_CTX_CF7EN_SHIFT 1 |
1489 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 |
1490 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 2 |
1491 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 |
1492 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 3 |
1493 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 |
1494 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 4 |
1495 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 |
1496 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 5 |
1497 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 |
1498 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 6 |
1499 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 |
1500 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 7 |
1501 | u8 byte2; |
1502 | __le16 word1; |
1503 | __le32 reg0; |
1504 | u8 byte3; |
1505 | u8 byte4; |
1506 | __le16 word2; |
1507 | __le16 word3; |
1508 | __le16 word4; |
1509 | __le32 reg1; |
1510 | __le32 reg2; |
1511 | }; |
1512 | |
1513 | /* iSCSI doorbell data */ |
1514 | struct iscsi_db_data { |
1515 | u8 params; |
1516 | #define ISCSI_DB_DATA_DEST_MASK 0x3 |
1517 | #define ISCSI_DB_DATA_DEST_SHIFT 0 |
1518 | #define ISCSI_DB_DATA_AGG_CMD_MASK 0x3 |
1519 | #define ISCSI_DB_DATA_AGG_CMD_SHIFT 2 |
1520 | #define ISCSI_DB_DATA_BYPASS_EN_MASK 0x1 |
1521 | #define ISCSI_DB_DATA_BYPASS_EN_SHIFT 4 |
1522 | #define ISCSI_DB_DATA_RESERVED_MASK 0x1 |
1523 | #define ISCSI_DB_DATA_RESERVED_SHIFT 5 |
1524 | #define ISCSI_DB_DATA_AGG_VAL_SEL_MASK 0x3 |
1525 | #define ISCSI_DB_DATA_AGG_VAL_SEL_SHIFT 6 |
1526 | u8 agg_flags; |
1527 | __le16 sq_prod; |
1528 | }; |
1529 | |
1530 | #endif /* __ISCSI_COMMON__ */ |
1531 | |