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7a9b6b8f YM |
1 | /* QLogic qed NIC Driver |
2 | * Copyright (c) 2015 QLogic Corporation | |
3 | * | |
4 | * This software is available under the terms of the GNU General Public License | |
5 | * (GPL) Version 2, available from the file COPYING in the main directory of | |
6 | * this source tree. | |
7 | */ | |
8 | ||
9 | #ifndef __ISCSI_COMMON__ | |
10 | #define __ISCSI_COMMON__ | |
11 | /**********************/ | |
12 | /* ISCSI FW CONSTANTS */ | |
13 | /**********************/ | |
14 | ||
15 | /* iSCSI HSI constants */ | |
16 | #define ISCSI_DEFAULT_MTU (1500) | |
17 | ||
18 | /* Current iSCSI HSI version number composed of two fields (16 bit) */ | |
19 | #define ISCSI_HSI_MAJOR_VERSION (0) | |
20 | #define ISCSI_HSI_MINOR_VERSION (0) | |
21 | ||
22 | /* KWQ (kernel work queue) layer codes */ | |
23 | #define ISCSI_SLOW_PATH_LAYER_CODE (6) | |
24 | ||
25 | /* CQE completion status */ | |
26 | #define ISCSI_EQE_COMPLETION_SUCCESS (0x0) | |
27 | #define ISCSI_EQE_RST_CONN_RCVD (0x1) | |
28 | ||
29 | /* iSCSI parameter defaults */ | |
30 | #define ISCSI_DEFAULT_HEADER_DIGEST (0) | |
31 | #define ISCSI_DEFAULT_DATA_DIGEST (0) | |
32 | #define ISCSI_DEFAULT_INITIAL_R2T (1) | |
33 | #define ISCSI_DEFAULT_IMMEDIATE_DATA (1) | |
34 | #define ISCSI_DEFAULT_MAX_PDU_LENGTH (0x2000) | |
35 | #define ISCSI_DEFAULT_FIRST_BURST_LENGTH (0x10000) | |
36 | #define ISCSI_DEFAULT_MAX_BURST_LENGTH (0x40000) | |
37 | #define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1) | |
38 | ||
39 | /* iSCSI parameter limits */ | |
40 | #define ISCSI_MIN_VAL_MAX_PDU_LENGTH (0x200) | |
41 | #define ISCSI_MAX_VAL_MAX_PDU_LENGTH (0xffffff) | |
42 | #define ISCSI_MIN_VAL_BURST_LENGTH (0x200) | |
43 | #define ISCSI_MAX_VAL_BURST_LENGTH (0xffffff) | |
44 | #define ISCSI_MIN_VAL_MAX_OUTSTANDING_R2T (1) | |
45 | #define ISCSI_MAX_VAL_MAX_OUTSTANDING_R2T (0xff) | |
46 | ||
47 | /* iSCSI reserved params */ | |
48 | #define ISCSI_ITT_ALL_ONES (0xffffffff) | |
49 | #define ISCSI_TTT_ALL_ONES (0xffffffff) | |
50 | ||
51 | #define ISCSI_OPTION_1_OFF_CHIP_TCP 1 | |
52 | #define ISCSI_OPTION_2_ON_CHIP_TCP 2 | |
53 | ||
54 | #define ISCSI_INITIATOR_MODE 0 | |
55 | #define ISCSI_TARGET_MODE 1 | |
56 | ||
57 | /* iSCSI request op codes */ | |
58 | #define ISCSI_OPCODE_NOP_OUT_NO_IMM (0) | |
59 | #define ISCSI_OPCODE_NOP_OUT ( \ | |
60 | ISCSI_OPCODE_NOP_OUT_NO_IMM | 0x40) | |
61 | #define ISCSI_OPCODE_SCSI_CMD_NO_IMM (1) | |
62 | #define ISCSI_OPCODE_SCSI_CMD ( \ | |
63 | ISCSI_OPCODE_SCSI_CMD_NO_IMM | 0x40) | |
64 | #define ISCSI_OPCODE_TMF_REQUEST_NO_IMM (2) | |
65 | #define ISCSI_OPCODE_TMF_REQUEST ( \ | |
66 | ISCSI_OPCODE_TMF_REQUEST_NO_IMM | 0x40) | |
67 | #define ISCSI_OPCODE_LOGIN_REQUEST_NO_IMM (3) | |
68 | #define ISCSI_OPCODE_LOGIN_REQUEST ( \ | |
69 | ISCSI_OPCODE_LOGIN_REQUEST_NO_IMM | 0x40) | |
70 | #define ISCSI_OPCODE_TEXT_REQUEST_NO_IMM (4) | |
71 | #define ISCSI_OPCODE_TEXT_REQUEST ( \ | |
72 | ISCSI_OPCODE_TEXT_REQUEST_NO_IMM | 0x40) | |
73 | #define ISCSI_OPCODE_DATA_OUT (5) | |
74 | #define ISCSI_OPCODE_LOGOUT_REQUEST_NO_IMM (6) | |
75 | #define ISCSI_OPCODE_LOGOUT_REQUEST ( \ | |
76 | ISCSI_OPCODE_LOGOUT_REQUEST_NO_IMM | 0x40) | |
77 | ||
78 | /* iSCSI response/messages op codes */ | |
79 | #define ISCSI_OPCODE_NOP_IN (0x20) | |
80 | #define ISCSI_OPCODE_SCSI_RESPONSE (0x21) | |
81 | #define ISCSI_OPCODE_TMF_RESPONSE (0x22) | |
82 | #define ISCSI_OPCODE_LOGIN_RESPONSE (0x23) | |
83 | #define ISCSI_OPCODE_TEXT_RESPONSE (0x24) | |
84 | #define ISCSI_OPCODE_DATA_IN (0x25) | |
85 | #define ISCSI_OPCODE_LOGOUT_RESPONSE (0x26) | |
86 | #define ISCSI_OPCODE_R2T (0x31) | |
87 | #define ISCSI_OPCODE_ASYNC_MSG (0x32) | |
88 | #define ISCSI_OPCODE_REJECT (0x3f) | |
89 | ||
90 | /* iSCSI stages */ | |
91 | #define ISCSI_STAGE_SECURITY_NEGOTIATION (0) | |
92 | #define ISCSI_STAGE_LOGIN_OPERATIONAL_NEGOTIATION (1) | |
93 | #define ISCSI_STAGE_FULL_FEATURE_PHASE (3) | |
94 | ||
95 | /* iSCSI CQE errors */ | |
96 | #define CQE_ERROR_BITMAP_DATA_DIGEST (0x08) | |
97 | #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN (0x10) | |
98 | #define CQE_ERROR_BITMAP_DATA_TRUNCATED (0x20) | |
99 | ||
100 | struct cqe_error_bitmap { | |
101 | u8 cqe_error_status_bits; | |
102 | #define CQE_ERROR_BITMAP_DIF_ERR_BITS_MASK 0x7 | |
103 | #define CQE_ERROR_BITMAP_DIF_ERR_BITS_SHIFT 0 | |
104 | #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_MASK 0x1 | |
105 | #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_SHIFT 3 | |
106 | #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_MASK 0x1 | |
107 | #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_SHIFT 4 | |
108 | #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_MASK 0x1 | |
109 | #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_SHIFT 5 | |
110 | #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_MASK 0x1 | |
111 | #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_SHIFT 6 | |
112 | #define CQE_ERROR_BITMAP_RESERVED2_MASK 0x1 | |
113 | #define CQE_ERROR_BITMAP_RESERVED2_SHIFT 7 | |
114 | }; | |
115 | ||
116 | union cqe_error_status { | |
117 | u8 error_status; | |
118 | struct cqe_error_bitmap error_bits; | |
119 | }; | |
120 | ||
121 | struct data_hdr { | |
122 | __le32 data[12]; | |
123 | }; | |
124 | ||
125 | struct iscsi_async_msg_hdr { | |
126 | __le16 reserved0; | |
127 | u8 flags_attr; | |
128 | #define ISCSI_ASYNC_MSG_HDR_RSRV_MASK 0x7F | |
129 | #define ISCSI_ASYNC_MSG_HDR_RSRV_SHIFT 0 | |
130 | #define ISCSI_ASYNC_MSG_HDR_CONST1_MASK 0x1 | |
131 | #define ISCSI_ASYNC_MSG_HDR_CONST1_SHIFT 7 | |
132 | u8 opcode; | |
133 | __le32 hdr_second_dword; | |
134 | #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
135 | #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_SHIFT 0 | |
136 | #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
137 | #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
138 | struct regpair lun; | |
139 | __le32 all_ones; | |
140 | __le32 reserved1; | |
141 | __le32 stat_sn; | |
142 | __le32 exp_cmd_sn; | |
143 | __le32 max_cmd_sn; | |
144 | __le16 param1_rsrv; | |
145 | u8 async_vcode; | |
146 | u8 async_event; | |
147 | __le16 param3_rsrv; | |
148 | __le16 param2_rsrv; | |
149 | __le32 reserved7; | |
150 | }; | |
151 | ||
152 | struct iscsi_sge { | |
153 | struct regpair sge_addr; | |
154 | __le16 sge_len; | |
155 | __le16 reserved0; | |
156 | __le32 reserved1; | |
157 | }; | |
158 | ||
159 | struct iscsi_cached_sge_ctx { | |
160 | struct iscsi_sge sge; | |
161 | struct regpair reserved; | |
162 | __le32 dsgl_curr_offset[2]; | |
163 | }; | |
164 | ||
165 | struct iscsi_cmd_hdr { | |
166 | __le16 reserved1; | |
167 | u8 flags_attr; | |
168 | #define ISCSI_CMD_HDR_ATTR_MASK 0x7 | |
169 | #define ISCSI_CMD_HDR_ATTR_SHIFT 0 | |
170 | #define ISCSI_CMD_HDR_RSRV_MASK 0x3 | |
171 | #define ISCSI_CMD_HDR_RSRV_SHIFT 3 | |
172 | #define ISCSI_CMD_HDR_WRITE_MASK 0x1 | |
173 | #define ISCSI_CMD_HDR_WRITE_SHIFT 5 | |
174 | #define ISCSI_CMD_HDR_READ_MASK 0x1 | |
175 | #define ISCSI_CMD_HDR_READ_SHIFT 6 | |
176 | #define ISCSI_CMD_HDR_FINAL_MASK 0x1 | |
177 | #define ISCSI_CMD_HDR_FINAL_SHIFT 7 | |
178 | u8 opcode; | |
179 | __le32 hdr_second_dword; | |
180 | #define ISCSI_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
181 | #define ISCSI_CMD_HDR_DATA_SEG_LEN_SHIFT 0 | |
182 | #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
183 | #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
184 | struct regpair lun; | |
185 | __le32 itt; | |
186 | __le32 expected_transfer_length; | |
187 | __le32 cmd_sn; | |
188 | __le32 exp_stat_sn; | |
189 | __le32 cdb[4]; | |
190 | }; | |
191 | ||
192 | struct iscsi_common_hdr { | |
193 | u8 hdr_status; | |
194 | u8 hdr_response; | |
195 | u8 hdr_flags; | |
196 | u8 hdr_first_byte; | |
197 | #define ISCSI_COMMON_HDR_OPCODE_MASK 0x3F | |
198 | #define ISCSI_COMMON_HDR_OPCODE_SHIFT 0 | |
199 | #define ISCSI_COMMON_HDR_IMM_MASK 0x1 | |
200 | #define ISCSI_COMMON_HDR_IMM_SHIFT 6 | |
201 | #define ISCSI_COMMON_HDR_RSRV_MASK 0x1 | |
202 | #define ISCSI_COMMON_HDR_RSRV_SHIFT 7 | |
203 | __le32 hdr_second_dword; | |
204 | #define ISCSI_COMMON_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
205 | #define ISCSI_COMMON_HDR_DATA_SEG_LEN_SHIFT 0 | |
206 | #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
207 | #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
208 | __le32 lun_reserved[4]; | |
209 | __le32 data[6]; | |
210 | }; | |
211 | ||
212 | struct iscsi_conn_offload_params { | |
213 | struct regpair sq_pbl_addr; | |
214 | struct regpair r2tq_pbl_addr; | |
215 | struct regpair xhq_pbl_addr; | |
216 | struct regpair uhq_pbl_addr; | |
217 | __le32 initial_ack; | |
218 | __le16 physical_q0; | |
219 | __le16 physical_q1; | |
220 | u8 flags; | |
221 | #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_MASK 0x1 | |
222 | #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_SHIFT 0 | |
223 | #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_MASK 0x1 | |
224 | #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_SHIFT 1 | |
225 | #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_MASK 0x3F | |
226 | #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_SHIFT 2 | |
227 | u8 pbl_page_size_log; | |
228 | u8 pbe_page_size_log; | |
229 | u8 default_cq; | |
230 | __le32 stat_sn; | |
231 | }; | |
232 | ||
233 | struct iscsi_slow_path_hdr { | |
234 | u8 op_code; | |
235 | u8 flags; | |
236 | #define ISCSI_SLOW_PATH_HDR_RESERVED0_MASK 0xF | |
237 | #define ISCSI_SLOW_PATH_HDR_RESERVED0_SHIFT 0 | |
238 | #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_MASK 0x7 | |
239 | #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_SHIFT 4 | |
240 | #define ISCSI_SLOW_PATH_HDR_RESERVED1_MASK 0x1 | |
241 | #define ISCSI_SLOW_PATH_HDR_RESERVED1_SHIFT 7 | |
242 | }; | |
243 | ||
244 | struct iscsi_conn_update_ramrod_params { | |
245 | struct iscsi_slow_path_hdr hdr; | |
246 | __le16 conn_id; | |
247 | __le32 fw_cid; | |
248 | u8 flags; | |
249 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_MASK 0x1 | |
250 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_SHIFT 0 | |
251 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_MASK 0x1 | |
252 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_SHIFT 1 | |
253 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_MASK 0x1 | |
254 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_SHIFT 2 | |
255 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_MASK 0x1 | |
256 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_SHIFT 3 | |
257 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_RESERVED1_MASK 0xF | |
258 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_RESERVED1_SHIFT 4 | |
259 | u8 reserved0[3]; | |
260 | __le32 max_seq_size; | |
261 | __le32 max_send_pdu_length; | |
262 | __le32 max_recv_pdu_length; | |
263 | __le32 first_seq_length; | |
264 | __le32 exp_stat_sn; | |
265 | }; | |
266 | ||
267 | struct iscsi_ext_cdb_cmd_hdr { | |
268 | __le16 reserved1; | |
269 | u8 flags_attr; | |
270 | #define ISCSI_EXT_CDB_CMD_HDR_ATTR_MASK 0x7 | |
271 | #define ISCSI_EXT_CDB_CMD_HDR_ATTR_SHIFT 0 | |
272 | #define ISCSI_EXT_CDB_CMD_HDR_RSRV_MASK 0x3 | |
273 | #define ISCSI_EXT_CDB_CMD_HDR_RSRV_SHIFT 3 | |
274 | #define ISCSI_EXT_CDB_CMD_HDR_WRITE_MASK 0x1 | |
275 | #define ISCSI_EXT_CDB_CMD_HDR_WRITE_SHIFT 5 | |
276 | #define ISCSI_EXT_CDB_CMD_HDR_READ_MASK 0x1 | |
277 | #define ISCSI_EXT_CDB_CMD_HDR_READ_SHIFT 6 | |
278 | #define ISCSI_EXT_CDB_CMD_HDR_FINAL_MASK 0x1 | |
279 | #define ISCSI_EXT_CDB_CMD_HDR_FINAL_SHIFT 7 | |
280 | u8 opcode; | |
281 | __le32 hdr_second_dword; | |
282 | #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
283 | #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_SHIFT 0 | |
284 | #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_MASK 0xFF | |
285 | #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_SHIFT 24 | |
286 | struct regpair lun; | |
287 | __le32 itt; | |
288 | __le32 expected_transfer_length; | |
289 | __le32 cmd_sn; | |
290 | __le32 exp_stat_sn; | |
291 | struct iscsi_sge cdb_sge; | |
292 | }; | |
293 | ||
294 | struct iscsi_login_req_hdr { | |
295 | u8 version_min; | |
296 | u8 version_max; | |
297 | u8 flags_attr; | |
298 | #define ISCSI_LOGIN_REQ_HDR_NSG_MASK 0x3 | |
299 | #define ISCSI_LOGIN_REQ_HDR_NSG_SHIFT 0 | |
300 | #define ISCSI_LOGIN_REQ_HDR_CSG_MASK 0x3 | |
301 | #define ISCSI_LOGIN_REQ_HDR_CSG_SHIFT 2 | |
302 | #define ISCSI_LOGIN_REQ_HDR_RSRV_MASK 0x3 | |
303 | #define ISCSI_LOGIN_REQ_HDR_RSRV_SHIFT 4 | |
304 | #define ISCSI_LOGIN_REQ_HDR_C_MASK 0x1 | |
305 | #define ISCSI_LOGIN_REQ_HDR_C_SHIFT 6 | |
306 | #define ISCSI_LOGIN_REQ_HDR_T_MASK 0x1 | |
307 | #define ISCSI_LOGIN_REQ_HDR_T_SHIFT 7 | |
308 | u8 opcode; | |
309 | __le32 hdr_second_dword; | |
310 | #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
311 | #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_SHIFT 0 | |
312 | #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
313 | #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
05fafbfb | 314 | __le32 isid_tabc; |
7a9b6b8f YM |
315 | __le16 tsih; |
316 | __le16 isid_d; | |
317 | __le32 itt; | |
318 | __le16 reserved1; | |
319 | __le16 cid; | |
320 | __le32 cmd_sn; | |
321 | __le32 exp_stat_sn; | |
322 | __le32 reserved2[4]; | |
323 | }; | |
324 | ||
325 | struct iscsi_logout_req_hdr { | |
326 | __le16 reserved0; | |
327 | u8 reason_code; | |
328 | u8 opcode; | |
329 | __le32 reserved1; | |
330 | __le32 reserved2[2]; | |
331 | __le32 itt; | |
332 | __le16 reserved3; | |
333 | __le16 cid; | |
334 | __le32 cmd_sn; | |
335 | __le32 exp_stat_sn; | |
336 | __le32 reserved4[4]; | |
337 | }; | |
338 | ||
339 | struct iscsi_data_out_hdr { | |
340 | __le16 reserved1; | |
341 | u8 flags_attr; | |
342 | #define ISCSI_DATA_OUT_HDR_RSRV_MASK 0x7F | |
343 | #define ISCSI_DATA_OUT_HDR_RSRV_SHIFT 0 | |
344 | #define ISCSI_DATA_OUT_HDR_FINAL_MASK 0x1 | |
345 | #define ISCSI_DATA_OUT_HDR_FINAL_SHIFT 7 | |
346 | u8 opcode; | |
347 | __le32 reserved2; | |
348 | struct regpair lun; | |
349 | __le32 itt; | |
350 | __le32 ttt; | |
351 | __le32 reserved3; | |
352 | __le32 exp_stat_sn; | |
353 | __le32 reserved4; | |
354 | __le32 data_sn; | |
355 | __le32 buffer_offset; | |
356 | __le32 reserved5; | |
357 | }; | |
358 | ||
359 | struct iscsi_data_in_hdr { | |
360 | u8 status_rsvd; | |
361 | u8 reserved1; | |
362 | u8 flags; | |
363 | #define ISCSI_DATA_IN_HDR_STATUS_MASK 0x1 | |
364 | #define ISCSI_DATA_IN_HDR_STATUS_SHIFT 0 | |
365 | #define ISCSI_DATA_IN_HDR_UNDERFLOW_MASK 0x1 | |
366 | #define ISCSI_DATA_IN_HDR_UNDERFLOW_SHIFT 1 | |
367 | #define ISCSI_DATA_IN_HDR_OVERFLOW_MASK 0x1 | |
368 | #define ISCSI_DATA_IN_HDR_OVERFLOW_SHIFT 2 | |
369 | #define ISCSI_DATA_IN_HDR_RSRV_MASK 0x7 | |
370 | #define ISCSI_DATA_IN_HDR_RSRV_SHIFT 3 | |
371 | #define ISCSI_DATA_IN_HDR_ACK_MASK 0x1 | |
372 | #define ISCSI_DATA_IN_HDR_ACK_SHIFT 6 | |
373 | #define ISCSI_DATA_IN_HDR_FINAL_MASK 0x1 | |
374 | #define ISCSI_DATA_IN_HDR_FINAL_SHIFT 7 | |
375 | u8 opcode; | |
376 | __le32 reserved2; | |
377 | struct regpair lun; | |
378 | __le32 itt; | |
379 | __le32 ttt; | |
380 | __le32 stat_sn; | |
381 | __le32 exp_cmd_sn; | |
382 | __le32 max_cmd_sn; | |
383 | __le32 data_sn; | |
384 | __le32 buffer_offset; | |
385 | __le32 residual_count; | |
386 | }; | |
387 | ||
388 | struct iscsi_r2t_hdr { | |
389 | u8 reserved0[3]; | |
390 | u8 opcode; | |
391 | __le32 reserved2; | |
392 | struct regpair lun; | |
393 | __le32 itt; | |
394 | __le32 ttt; | |
395 | __le32 stat_sn; | |
396 | __le32 exp_cmd_sn; | |
397 | __le32 max_cmd_sn; | |
398 | __le32 r2t_sn; | |
399 | __le32 buffer_offset; | |
400 | __le32 desired_data_trns_len; | |
401 | }; | |
402 | ||
403 | struct iscsi_nop_out_hdr { | |
404 | __le16 reserved1; | |
405 | u8 flags_attr; | |
406 | #define ISCSI_NOP_OUT_HDR_RSRV_MASK 0x7F | |
407 | #define ISCSI_NOP_OUT_HDR_RSRV_SHIFT 0 | |
408 | #define ISCSI_NOP_OUT_HDR_CONST1_MASK 0x1 | |
409 | #define ISCSI_NOP_OUT_HDR_CONST1_SHIFT 7 | |
410 | u8 opcode; | |
411 | __le32 reserved2; | |
412 | struct regpair lun; | |
413 | __le32 itt; | |
414 | __le32 ttt; | |
415 | __le32 cmd_sn; | |
416 | __le32 exp_stat_sn; | |
417 | __le32 reserved3; | |
418 | __le32 reserved4; | |
419 | __le32 reserved5; | |
420 | __le32 reserved6; | |
421 | }; | |
422 | ||
423 | struct iscsi_nop_in_hdr { | |
424 | __le16 reserved0; | |
425 | u8 flags_attr; | |
426 | #define ISCSI_NOP_IN_HDR_RSRV_MASK 0x7F | |
427 | #define ISCSI_NOP_IN_HDR_RSRV_SHIFT 0 | |
428 | #define ISCSI_NOP_IN_HDR_CONST1_MASK 0x1 | |
429 | #define ISCSI_NOP_IN_HDR_CONST1_SHIFT 7 | |
430 | u8 opcode; | |
431 | __le32 hdr_second_dword; | |
432 | #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
433 | #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_SHIFT 0 | |
434 | #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
435 | #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
436 | struct regpair lun; | |
437 | __le32 itt; | |
438 | __le32 ttt; | |
439 | __le32 stat_sn; | |
440 | __le32 exp_cmd_sn; | |
441 | __le32 max_cmd_sn; | |
442 | __le32 reserved5; | |
443 | __le32 reserved6; | |
444 | __le32 reserved7; | |
445 | }; | |
446 | ||
447 | struct iscsi_login_response_hdr { | |
448 | u8 version_active; | |
449 | u8 version_max; | |
450 | u8 flags_attr; | |
451 | #define ISCSI_LOGIN_RESPONSE_HDR_NSG_MASK 0x3 | |
452 | #define ISCSI_LOGIN_RESPONSE_HDR_NSG_SHIFT 0 | |
453 | #define ISCSI_LOGIN_RESPONSE_HDR_CSG_MASK 0x3 | |
454 | #define ISCSI_LOGIN_RESPONSE_HDR_CSG_SHIFT 2 | |
455 | #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_MASK 0x3 | |
456 | #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_SHIFT 4 | |
457 | #define ISCSI_LOGIN_RESPONSE_HDR_C_MASK 0x1 | |
458 | #define ISCSI_LOGIN_RESPONSE_HDR_C_SHIFT 6 | |
459 | #define ISCSI_LOGIN_RESPONSE_HDR_T_MASK 0x1 | |
460 | #define ISCSI_LOGIN_RESPONSE_HDR_T_SHIFT 7 | |
461 | u8 opcode; | |
462 | __le32 hdr_second_dword; | |
463 | #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
464 | #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 | |
465 | #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
466 | #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
05fafbfb | 467 | __le32 isid_tabc; |
7a9b6b8f YM |
468 | __le16 tsih; |
469 | __le16 isid_d; | |
470 | __le32 itt; | |
471 | __le32 reserved1; | |
472 | __le32 stat_sn; | |
473 | __le32 exp_cmd_sn; | |
474 | __le32 max_cmd_sn; | |
475 | __le16 reserved2; | |
476 | u8 status_detail; | |
477 | u8 status_class; | |
478 | __le32 reserved4[2]; | |
479 | }; | |
480 | ||
481 | struct iscsi_logout_response_hdr { | |
482 | u8 reserved1; | |
483 | u8 response; | |
484 | u8 flags; | |
485 | u8 opcode; | |
486 | __le32 hdr_second_dword; | |
487 | #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
488 | #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 | |
489 | #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
490 | #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
491 | __le32 reserved2[2]; | |
492 | __le32 itt; | |
493 | __le32 reserved3; | |
494 | __le32 stat_sn; | |
495 | __le32 exp_cmd_sn; | |
496 | __le32 max_cmd_sn; | |
497 | __le32 reserved4; | |
498 | __le16 time2retain; | |
499 | __le16 time2wait; | |
500 | __le32 reserved5[1]; | |
501 | }; | |
502 | ||
503 | struct iscsi_text_request_hdr { | |
504 | __le16 reserved0; | |
505 | u8 flags_attr; | |
506 | #define ISCSI_TEXT_REQUEST_HDR_RSRV_MASK 0x3F | |
507 | #define ISCSI_TEXT_REQUEST_HDR_RSRV_SHIFT 0 | |
508 | #define ISCSI_TEXT_REQUEST_HDR_C_MASK 0x1 | |
509 | #define ISCSI_TEXT_REQUEST_HDR_C_SHIFT 6 | |
510 | #define ISCSI_TEXT_REQUEST_HDR_F_MASK 0x1 | |
511 | #define ISCSI_TEXT_REQUEST_HDR_F_SHIFT 7 | |
512 | u8 opcode; | |
513 | __le32 hdr_second_dword; | |
514 | #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
515 | #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 | |
516 | #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
517 | #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
518 | struct regpair lun; | |
519 | __le32 itt; | |
520 | __le32 ttt; | |
521 | __le32 cmd_sn; | |
522 | __le32 exp_stat_sn; | |
523 | __le32 reserved4[4]; | |
524 | }; | |
525 | ||
526 | struct iscsi_text_response_hdr { | |
527 | __le16 reserved1; | |
528 | u8 flags; | |
529 | #define ISCSI_TEXT_RESPONSE_HDR_RSRV_MASK 0x3F | |
530 | #define ISCSI_TEXT_RESPONSE_HDR_RSRV_SHIFT 0 | |
531 | #define ISCSI_TEXT_RESPONSE_HDR_C_MASK 0x1 | |
532 | #define ISCSI_TEXT_RESPONSE_HDR_C_SHIFT 6 | |
533 | #define ISCSI_TEXT_RESPONSE_HDR_F_MASK 0x1 | |
534 | #define ISCSI_TEXT_RESPONSE_HDR_F_SHIFT 7 | |
535 | u8 opcode; | |
536 | __le32 hdr_second_dword; | |
537 | #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
538 | #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 | |
539 | #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
540 | #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
541 | struct regpair lun; | |
542 | __le32 itt; | |
543 | __le32 ttt; | |
544 | __le32 stat_sn; | |
545 | __le32 exp_cmd_sn; | |
546 | __le32 max_cmd_sn; | |
547 | __le32 reserved4[3]; | |
548 | }; | |
549 | ||
550 | struct iscsi_tmf_request_hdr { | |
551 | __le16 reserved0; | |
552 | u8 function; | |
553 | u8 opcode; | |
554 | __le32 hdr_second_dword; | |
555 | #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
556 | #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 | |
557 | #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
558 | #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
559 | struct regpair lun; | |
560 | __le32 itt; | |
561 | __le32 rtt; | |
562 | __le32 cmd_sn; | |
563 | __le32 exp_stat_sn; | |
564 | __le32 ref_cmd_sn; | |
565 | __le32 exp_data_sn; | |
566 | __le32 reserved4[2]; | |
567 | }; | |
568 | ||
569 | struct iscsi_tmf_response_hdr { | |
570 | u8 reserved2; | |
571 | u8 hdr_response; | |
572 | u8 hdr_flags; | |
573 | u8 opcode; | |
574 | __le32 hdr_second_dword; | |
575 | #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
576 | #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 | |
577 | #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
578 | #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
579 | struct regpair reserved0; | |
580 | __le32 itt; | |
581 | __le32 rtt; | |
582 | __le32 stat_sn; | |
583 | __le32 exp_cmd_sn; | |
584 | __le32 max_cmd_sn; | |
585 | __le32 reserved4[3]; | |
586 | }; | |
587 | ||
588 | struct iscsi_response_hdr { | |
589 | u8 hdr_status; | |
590 | u8 hdr_response; | |
591 | u8 hdr_flags; | |
592 | u8 opcode; | |
593 | __le32 hdr_second_dword; | |
594 | #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
595 | #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 | |
596 | #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
597 | #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
598 | struct regpair lun; | |
599 | __le32 itt; | |
600 | __le32 snack_tag; | |
601 | __le32 stat_sn; | |
602 | __le32 exp_cmd_sn; | |
603 | __le32 max_cmd_sn; | |
604 | __le32 exp_data_sn; | |
605 | __le32 bi_residual_count; | |
606 | __le32 residual_count; | |
607 | }; | |
608 | ||
609 | struct iscsi_reject_hdr { | |
610 | u8 reserved4; | |
611 | u8 hdr_reason; | |
612 | u8 hdr_flags; | |
613 | u8 opcode; | |
614 | __le32 hdr_second_dword; | |
615 | #define ISCSI_REJECT_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
616 | #define ISCSI_REJECT_HDR_DATA_SEG_LEN_SHIFT 0 | |
617 | #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
618 | #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
619 | struct regpair reserved0; | |
620 | __le32 reserved1; | |
621 | __le32 reserved2; | |
622 | __le32 stat_sn; | |
623 | __le32 exp_cmd_sn; | |
624 | __le32 max_cmd_sn; | |
625 | __le32 data_sn; | |
626 | __le32 reserved3[2]; | |
627 | }; | |
628 | ||
629 | union iscsi_task_hdr { | |
630 | struct iscsi_common_hdr common; | |
631 | struct data_hdr data; | |
632 | struct iscsi_cmd_hdr cmd; | |
633 | struct iscsi_ext_cdb_cmd_hdr ext_cdb_cmd; | |
634 | struct iscsi_login_req_hdr login_req; | |
635 | struct iscsi_logout_req_hdr logout_req; | |
636 | struct iscsi_data_out_hdr data_out; | |
637 | struct iscsi_data_in_hdr data_in; | |
638 | struct iscsi_r2t_hdr r2t; | |
639 | struct iscsi_nop_out_hdr nop_out; | |
640 | struct iscsi_nop_in_hdr nop_in; | |
641 | struct iscsi_login_response_hdr login_response; | |
642 | struct iscsi_logout_response_hdr logout_response; | |
643 | struct iscsi_text_request_hdr text_request; | |
644 | struct iscsi_text_response_hdr text_response; | |
645 | struct iscsi_tmf_request_hdr tmf_request; | |
646 | struct iscsi_tmf_response_hdr tmf_response; | |
647 | struct iscsi_response_hdr response; | |
648 | struct iscsi_reject_hdr reject; | |
649 | struct iscsi_async_msg_hdr async_msg; | |
650 | }; | |
651 | ||
652 | struct iscsi_cqe_common { | |
653 | __le16 conn_id; | |
654 | u8 cqe_type; | |
655 | union cqe_error_status error_bitmap; | |
656 | __le32 reserved[3]; | |
657 | union iscsi_task_hdr iscsi_hdr; | |
658 | }; | |
659 | ||
660 | struct iscsi_cqe_solicited { | |
661 | __le16 conn_id; | |
662 | u8 cqe_type; | |
663 | union cqe_error_status error_bitmap; | |
664 | __le16 itid; | |
665 | u8 task_type; | |
666 | u8 fw_dbg_field; | |
667 | __le32 reserved1[2]; | |
668 | union iscsi_task_hdr iscsi_hdr; | |
669 | }; | |
670 | ||
671 | struct iscsi_cqe_unsolicited { | |
672 | __le16 conn_id; | |
673 | u8 cqe_type; | |
674 | union cqe_error_status error_bitmap; | |
675 | __le16 reserved0; | |
676 | u8 reserved1; | |
677 | u8 unsol_cqe_type; | |
678 | struct regpair rqe_opaque; | |
679 | union iscsi_task_hdr iscsi_hdr; | |
680 | }; | |
681 | ||
682 | union iscsi_cqe { | |
683 | struct iscsi_cqe_common cqe_common; | |
684 | struct iscsi_cqe_solicited cqe_solicited; | |
685 | struct iscsi_cqe_unsolicited cqe_unsolicited; | |
686 | }; | |
687 | ||
688 | enum iscsi_cqes_type { | |
689 | ISCSI_CQE_TYPE_SOLICITED = 1, | |
690 | ISCSI_CQE_TYPE_UNSOLICITED, | |
05fafbfb | 691 | ISCSI_CQE_TYPE_SOLICITED_WITH_SENSE, |
7a9b6b8f YM |
692 | ISCSI_CQE_TYPE_TASK_CLEANUP, |
693 | ISCSI_CQE_TYPE_DUMMY, | |
694 | MAX_ISCSI_CQES_TYPE | |
695 | }; | |
696 | ||
697 | enum iscsi_cqe_unsolicited_type { | |
698 | ISCSI_CQE_UNSOLICITED_NONE, | |
699 | ISCSI_CQE_UNSOLICITED_SINGLE, | |
700 | ISCSI_CQE_UNSOLICITED_FIRST, | |
701 | ISCSI_CQE_UNSOLICITED_MIDDLE, | |
702 | ISCSI_CQE_UNSOLICITED_LAST, | |
703 | MAX_ISCSI_CQE_UNSOLICITED_TYPE | |
704 | }; | |
705 | ||
706 | struct iscsi_virt_sgl_ctx { | |
707 | struct regpair sgl_base; | |
708 | struct regpair dsgl_base; | |
709 | __le32 sgl_initial_offset; | |
710 | __le32 dsgl_initial_offset; | |
711 | __le32 dsgl_curr_offset[2]; | |
712 | }; | |
713 | ||
714 | struct iscsi_sgl_var_params { | |
715 | u8 sgl_ptr; | |
716 | u8 dsgl_ptr; | |
717 | __le16 sge_offset; | |
718 | __le16 dsge_offset; | |
719 | }; | |
720 | ||
721 | struct iscsi_phys_sgl_ctx { | |
722 | struct regpair sgl_base; | |
723 | struct regpair dsgl_base; | |
724 | u8 sgl_size; | |
725 | u8 dsgl_size; | |
726 | __le16 reserved; | |
727 | struct iscsi_sgl_var_params var_params[2]; | |
728 | }; | |
729 | ||
730 | union iscsi_data_desc_ctx { | |
731 | struct iscsi_virt_sgl_ctx virt_sgl; | |
732 | struct iscsi_phys_sgl_ctx phys_sgl; | |
733 | struct iscsi_cached_sge_ctx cached_sge; | |
734 | }; | |
735 | ||
736 | struct iscsi_debug_modes { | |
737 | u8 flags; | |
738 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_MASK 0x1 | |
739 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_SHIFT 0 | |
740 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_MASK 0x1 | |
741 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_SHIFT 1 | |
742 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_MASK 0x1 | |
743 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_SHIFT 2 | |
744 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_MASK 0x1 | |
745 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_SHIFT 3 | |
746 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_MASK 0x1 | |
747 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_SHIFT 4 | |
748 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_MASK 0x1 | |
749 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_SHIFT 5 | |
750 | #define ISCSI_DEBUG_MODES_RESERVED0_MASK 0x3 | |
751 | #define ISCSI_DEBUG_MODES_RESERVED0_SHIFT 6 | |
752 | }; | |
753 | ||
754 | struct iscsi_dif_flags { | |
755 | u8 flags; | |
756 | #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_MASK 0xF | |
757 | #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_SHIFT 0 | |
758 | #define ISCSI_DIF_FLAGS_DIF_TO_PEER_MASK 0x1 | |
759 | #define ISCSI_DIF_FLAGS_DIF_TO_PEER_SHIFT 4 | |
760 | #define ISCSI_DIF_FLAGS_HOST_INTERFACE_MASK 0x7 | |
761 | #define ISCSI_DIF_FLAGS_HOST_INTERFACE_SHIFT 5 | |
762 | }; | |
763 | ||
764 | enum iscsi_eqe_opcode { | |
765 | ISCSI_EVENT_TYPE_INIT_FUNC = 0, | |
766 | ISCSI_EVENT_TYPE_DESTROY_FUNC, | |
767 | ISCSI_EVENT_TYPE_OFFLOAD_CONN, | |
768 | ISCSI_EVENT_TYPE_UPDATE_CONN, | |
769 | ISCSI_EVENT_TYPE_CLEAR_SQ, | |
770 | ISCSI_EVENT_TYPE_TERMINATE_CONN, | |
05fafbfb | 771 | ISCSI_EVENT_TYPE_MAC_UPDATE_CONN, |
7a9b6b8f YM |
772 | ISCSI_EVENT_TYPE_ASYN_CONNECT_COMPLETE, |
773 | ISCSI_EVENT_TYPE_ASYN_TERMINATE_DONE, | |
7a9b6b8f YM |
774 | RESERVED9, |
775 | ISCSI_EVENT_TYPE_START_OF_ERROR_TYPES = 10, | |
776 | ISCSI_EVENT_TYPE_ASYN_ABORT_RCVD, | |
777 | ISCSI_EVENT_TYPE_ASYN_CLOSE_RCVD, | |
778 | ISCSI_EVENT_TYPE_ASYN_SYN_RCVD, | |
779 | ISCSI_EVENT_TYPE_ASYN_MAX_RT_TIME, | |
780 | ISCSI_EVENT_TYPE_ASYN_MAX_RT_CNT, | |
781 | ISCSI_EVENT_TYPE_ASYN_MAX_KA_PROBES_CNT, | |
782 | ISCSI_EVENT_TYPE_ASYN_FIN_WAIT2, | |
783 | ISCSI_EVENT_TYPE_ISCSI_CONN_ERROR, | |
784 | ISCSI_EVENT_TYPE_TCP_CONN_ERROR, | |
785 | ISCSI_EVENT_TYPE_ASYN_DELETE_OOO_ISLES, | |
786 | MAX_ISCSI_EQE_OPCODE | |
787 | }; | |
788 | ||
789 | enum iscsi_error_types { | |
790 | ISCSI_STATUS_NONE = 0, | |
791 | ISCSI_CQE_ERROR_UNSOLICITED_RCV_ON_INVALID_CONN = 1, | |
792 | ISCSI_CONN_ERROR_TASK_CID_MISMATCH, | |
793 | ISCSI_CONN_ERROR_TASK_NOT_VALID, | |
794 | ISCSI_CONN_ERROR_RQ_RING_IS_FULL, | |
795 | ISCSI_CONN_ERROR_CMDQ_RING_IS_FULL, | |
796 | ISCSI_CONN_ERROR_HQE_CACHING_FAILED, | |
797 | ISCSI_CONN_ERROR_HEADER_DIGEST_ERROR, | |
798 | ISCSI_CONN_ERROR_LOCAL_COMPLETION_ERROR, | |
799 | ISCSI_CONN_ERROR_DATA_OVERRUN, | |
800 | ISCSI_CONN_ERROR_OUT_OF_SGES_ERROR, | |
801 | ISCSI_CONN_ERROR_TCP_SEG_PROC_URG_ERROR, | |
802 | ISCSI_CONN_ERROR_TCP_SEG_PROC_IP_OPTIONS_ERROR, | |
803 | ISCSI_CONN_ERROR_TCP_SEG_PROC_CONNECT_INVALID_WS_OPTION, | |
804 | ISCSI_CONN_ERROR_TCP_IP_FRAGMENT_ERROR, | |
805 | ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_LEN, | |
806 | ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_TYPE, | |
807 | ISCSI_CONN_ERROR_PROTOCOL_ERR_ITT_OUT_OF_RANGE, | |
808 | ISCSI_CONN_ERROR_PROTOCOL_ERR_TTT_OUT_OF_RANGE, | |
809 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_EXCEEDS_PDU_SIZE, | |
810 | ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE, | |
811 | ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE_BEFORE_UPDATE, | |
812 | ISCSI_CONN_ERROR_UNVALID_NOPIN_DSL, | |
813 | ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_CARRIES_NO_DATA, | |
814 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SN, | |
815 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_IN_TTT, | |
816 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_OUT_ITT, | |
817 | ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_TTT, | |
818 | ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_BUFFER_OFFSET, | |
819 | ISCSI_CONN_ERROR_PROTOCOL_ERR_BUFFER_OFFSET_OOO, | |
820 | ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_SN, | |
821 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0, | |
822 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1, | |
823 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_2, | |
824 | ISCSI_CONN_ERROR_PROTOCOL_ERR_LUN, | |
825 | ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO, | |
826 | ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO_S_BIT_ONE, | |
827 | ISCSI_CONN_ERROR_PROTOCOL_ERR_EXP_STAT_SN, | |
828 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DSL_NOT_ZERO, | |
829 | ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_DSL, | |
830 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG, | |
831 | ISCSI_CONN_ERROR_PROTOCOL_ERR_OUTSTANDING_R2T_COUNT, | |
832 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DIF_TX, | |
833 | ISCSI_CONN_ERROR_SENSE_DATA_LENGTH, | |
834 | ISCSI_CONN_ERROR_DATA_PLACEMENT_ERROR, | |
835 | ISCSI_ERROR_UNKNOWN, | |
836 | MAX_ISCSI_ERROR_TYPES | |
837 | }; | |
838 | ||
839 | struct iscsi_mflags { | |
840 | u8 mflags; | |
841 | #define ISCSI_MFLAGS_SLOW_IO_MASK 0x1 | |
842 | #define ISCSI_MFLAGS_SLOW_IO_SHIFT 0 | |
843 | #define ISCSI_MFLAGS_SINGLE_SGE_MASK 0x1 | |
844 | #define ISCSI_MFLAGS_SINGLE_SGE_SHIFT 1 | |
845 | #define ISCSI_MFLAGS_RESERVED_MASK 0x3F | |
846 | #define ISCSI_MFLAGS_RESERVED_SHIFT 2 | |
847 | }; | |
848 | ||
849 | struct iscsi_sgl { | |
850 | struct regpair sgl_addr; | |
851 | __le16 updated_sge_size; | |
852 | __le16 updated_sge_offset; | |
853 | __le32 byte_offset; | |
854 | }; | |
855 | ||
856 | union iscsi_mstorm_sgl { | |
857 | struct iscsi_sgl sgl_struct; | |
858 | struct iscsi_sge single_sge; | |
859 | }; | |
860 | ||
861 | enum iscsi_ramrod_cmd_id { | |
862 | ISCSI_RAMROD_CMD_ID_UNUSED = 0, | |
863 | ISCSI_RAMROD_CMD_ID_INIT_FUNC = 1, | |
864 | ISCSI_RAMROD_CMD_ID_DESTROY_FUNC = 2, | |
865 | ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN = 3, | |
866 | ISCSI_RAMROD_CMD_ID_UPDATE_CONN = 4, | |
867 | ISCSI_RAMROD_CMD_ID_TERMINATION_CONN = 5, | |
868 | ISCSI_RAMROD_CMD_ID_CLEAR_SQ = 6, | |
05fafbfb | 869 | ISCSI_RAMROD_CMD_ID_MAC_UPDATE = 7, |
7a9b6b8f YM |
870 | MAX_ISCSI_RAMROD_CMD_ID |
871 | }; | |
872 | ||
873 | struct iscsi_reg1 { | |
874 | __le32 reg1_map; | |
875 | #define ISCSI_REG1_NUM_FAST_SGES_MASK 0x7 | |
876 | #define ISCSI_REG1_NUM_FAST_SGES_SHIFT 0 | |
877 | #define ISCSI_REG1_RESERVED1_MASK 0x1FFFFFFF | |
878 | #define ISCSI_REG1_RESERVED1_SHIFT 3 | |
879 | }; | |
880 | ||
881 | union iscsi_seq_num { | |
882 | __le16 data_sn; | |
883 | __le16 r2t_sn; | |
884 | }; | |
885 | ||
05fafbfb YM |
886 | struct iscsi_spe_conn_mac_update { |
887 | struct iscsi_slow_path_hdr hdr; | |
888 | __le16 conn_id; | |
889 | __le32 fw_cid; | |
890 | __le16 remote_mac_addr_lo; | |
891 | __le16 remote_mac_addr_mid; | |
892 | __le16 remote_mac_addr_hi; | |
893 | u8 reserved0[2]; | |
894 | }; | |
895 | ||
7a9b6b8f YM |
896 | struct iscsi_spe_conn_offload { |
897 | struct iscsi_slow_path_hdr hdr; | |
898 | __le16 conn_id; | |
899 | __le32 fw_cid; | |
900 | struct iscsi_conn_offload_params iscsi; | |
901 | struct tcp_offload_params tcp; | |
902 | }; | |
903 | ||
904 | struct iscsi_spe_conn_offload_option2 { | |
905 | struct iscsi_slow_path_hdr hdr; | |
906 | __le16 conn_id; | |
907 | __le32 fw_cid; | |
908 | struct iscsi_conn_offload_params iscsi; | |
909 | struct tcp_offload_params_opt2 tcp; | |
910 | }; | |
911 | ||
912 | struct iscsi_spe_conn_termination { | |
913 | struct iscsi_slow_path_hdr hdr; | |
914 | __le16 conn_id; | |
915 | __le32 fw_cid; | |
916 | u8 abortive; | |
917 | u8 reserved0[7]; | |
918 | struct regpair queue_cnts_addr; | |
919 | struct regpair query_params_addr; | |
920 | }; | |
921 | ||
922 | struct iscsi_spe_func_dstry { | |
923 | struct iscsi_slow_path_hdr hdr; | |
924 | __le16 reserved0; | |
925 | __le32 reserved1; | |
926 | }; | |
927 | ||
928 | struct iscsi_spe_func_init { | |
929 | struct iscsi_slow_path_hdr hdr; | |
930 | __le16 half_way_close_timeout; | |
931 | u8 num_sq_pages_in_ring; | |
932 | u8 num_r2tq_pages_in_ring; | |
933 | u8 num_uhq_pages_in_ring; | |
934 | u8 ll2_rx_queue_id; | |
935 | u8 ooo_enable; | |
936 | struct iscsi_debug_modes debug_mode; | |
937 | __le16 reserved1; | |
938 | __le32 reserved2; | |
939 | __le32 reserved3; | |
940 | __le32 reserved4; | |
941 | struct scsi_init_func_params func_params; | |
942 | struct scsi_init_func_queues q_params; | |
943 | }; | |
944 | ||
945 | struct ystorm_iscsi_task_state { | |
946 | union iscsi_data_desc_ctx sgl_ctx_union; | |
947 | __le32 buffer_offset[2]; | |
948 | __le16 bytes_nxt_dif; | |
949 | __le16 rxmit_bytes_nxt_dif; | |
950 | union iscsi_seq_num seq_num_union; | |
951 | u8 dif_bytes_leftover; | |
952 | u8 rxmit_dif_bytes_leftover; | |
953 | __le16 reuse_count; | |
954 | struct iscsi_dif_flags dif_flags; | |
955 | u8 local_comp; | |
956 | __le32 exp_r2t_sn; | |
957 | __le32 sgl_offset[2]; | |
958 | }; | |
959 | ||
960 | struct ystorm_iscsi_task_st_ctx { | |
961 | struct ystorm_iscsi_task_state state; | |
962 | union iscsi_task_hdr pdu_hdr; | |
963 | }; | |
964 | ||
965 | struct ystorm_iscsi_task_ag_ctx { | |
966 | u8 reserved; | |
967 | u8 byte1; | |
968 | __le16 word0; | |
969 | u8 flags0; | |
970 | #define YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF | |
971 | #define YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 | |
972 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 | |
973 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 | |
974 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 | |
975 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 | |
976 | #define YSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 | |
977 | #define YSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 | |
978 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 | |
979 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 | |
980 | u8 flags1; | |
981 | #define YSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 | |
982 | #define YSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 0 | |
983 | #define YSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 | |
984 | #define YSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 | |
985 | #define YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_MASK 0x3 | |
986 | #define YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_SHIFT 4 | |
987 | #define YSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 | |
988 | #define YSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 6 | |
989 | #define YSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 | |
990 | #define YSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 | |
991 | u8 flags2; | |
992 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 | |
993 | #define YSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 | |
994 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 | |
995 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 | |
996 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 | |
997 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 | |
998 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 | |
999 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 | |
1000 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 | |
1001 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 | |
1002 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 | |
1003 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 | |
1004 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 | |
1005 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 | |
1006 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 | |
1007 | #define YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 | |
1008 | u8 byte2; | |
1009 | __le32 TTT; | |
1010 | u8 byte3; | |
1011 | u8 byte4; | |
1012 | __le16 word1; | |
1013 | }; | |
1014 | ||
1015 | struct mstorm_iscsi_task_ag_ctx { | |
1016 | u8 cdu_validation; | |
1017 | u8 byte1; | |
1018 | __le16 task_cid; | |
1019 | u8 flags0; | |
1020 | #define MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF | |
1021 | #define MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 | |
1022 | #define MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 | |
1023 | #define MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 | |
1024 | #define MSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 | |
1025 | #define MSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 | |
1026 | #define MSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 | |
1027 | #define MSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 | |
1028 | #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_MASK 0x1 | |
1029 | #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_SHIFT 7 | |
1030 | u8 flags1; | |
1031 | #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_MASK 0x3 | |
1032 | #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_SHIFT 0 | |
1033 | #define MSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 | |
1034 | #define MSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 | |
1035 | #define MSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 | |
1036 | #define MSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 4 | |
1037 | #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_MASK 0x1 | |
1038 | #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_SHIFT 6 | |
1039 | #define MSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 | |
1040 | #define MSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 | |
1041 | u8 flags2; | |
1042 | #define MSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 | |
1043 | #define MSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 0 | |
1044 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 | |
1045 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 | |
1046 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 | |
1047 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 | |
1048 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 | |
1049 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 | |
1050 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 | |
1051 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 | |
1052 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 | |
1053 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 | |
1054 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 | |
1055 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 | |
1056 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 | |
1057 | #define MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 | |
1058 | u8 byte2; | |
1059 | __le32 reg0; | |
1060 | u8 byte3; | |
1061 | u8 byte4; | |
1062 | __le16 word1; | |
1063 | }; | |
1064 | ||
1065 | struct ustorm_iscsi_task_ag_ctx { | |
1066 | u8 reserved; | |
1067 | u8 state; | |
1068 | __le16 icid; | |
1069 | u8 flags0; | |
1070 | #define USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF | |
1071 | #define USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 | |
1072 | #define USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 | |
1073 | #define USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 | |
1074 | #define USTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 | |
1075 | #define USTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 | |
1076 | #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_MASK 0x3 | |
1077 | #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_SHIFT 6 | |
1078 | u8 flags1; | |
1079 | #define USTORM_ISCSI_TASK_AG_CTX_RESERVED1_MASK 0x3 | |
1080 | #define USTORM_ISCSI_TASK_AG_CTX_RESERVED1_SHIFT 0 | |
1081 | #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_MASK 0x3 | |
1082 | #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_SHIFT 2 | |
1083 | #define USTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 | |
1084 | #define USTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 4 | |
1085 | #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_MASK 0x3 | |
1086 | #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_SHIFT 6 | |
1087 | u8 flags2; | |
1088 | #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_MASK 0x1 | |
1089 | #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_SHIFT 0 | |
1090 | #define USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_MASK 0x1 | |
1091 | #define USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_SHIFT 1 | |
1092 | #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_MASK 0x1 | |
1093 | #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_SHIFT 2 | |
1094 | #define USTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 | |
1095 | #define USTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 3 | |
1096 | #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK 0x1 | |
1097 | #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT 4 | |
1098 | #define USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_MASK 0x1 | |
1099 | #define USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_SHIFT 5 | |
1100 | #define USTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 | |
1101 | #define USTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 6 | |
1102 | #define USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_MASK 0x1 | |
1103 | #define USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_SHIFT 7 | |
1104 | u8 flags3; | |
1105 | #define USTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 | |
1106 | #define USTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 0 | |
1107 | #define USTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 | |
1108 | #define USTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 1 | |
1109 | #define USTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 | |
1110 | #define USTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 2 | |
1111 | #define USTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 | |
1112 | #define USTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 3 | |
1113 | #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_MASK 0xF | |
1114 | #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT 4 | |
1115 | __le32 dif_err_intervals; | |
1116 | __le32 dif_error_1st_interval; | |
1117 | __le32 rcv_cont_len; | |
1118 | __le32 exp_cont_len; | |
1119 | __le32 total_data_acked; | |
1120 | __le32 exp_data_acked; | |
1121 | u8 next_tid_valid; | |
1122 | u8 byte3; | |
1123 | __le16 word1; | |
1124 | __le16 next_tid; | |
1125 | __le16 word3; | |
1126 | __le32 hdr_residual_count; | |
1127 | __le32 exp_r2t_sn; | |
1128 | }; | |
1129 | ||
1130 | struct mstorm_iscsi_task_st_ctx { | |
1131 | union iscsi_mstorm_sgl sgl_union; | |
1132 | struct iscsi_dif_flags dif_flags; | |
1133 | struct iscsi_mflags flags; | |
1134 | u8 sgl_size; | |
1135 | u8 host_sge_index; | |
1136 | __le16 dix_cur_sge_offset; | |
1137 | __le16 dix_cur_sge_size; | |
1138 | __le32 data_offset_rtid; | |
1139 | u8 dif_offset; | |
1140 | u8 dix_sgl_size; | |
1141 | u8 dix_sge_index; | |
1142 | u8 task_type; | |
1143 | struct regpair sense_db; | |
1144 | struct regpair dix_sgl_cur_sge; | |
1145 | __le32 rem_task_size; | |
1146 | __le16 reuse_count; | |
1147 | __le16 dif_data_residue; | |
1148 | u8 reserved0[4]; | |
1149 | __le32 reserved1[1]; | |
1150 | }; | |
1151 | ||
1152 | struct ustorm_iscsi_task_st_ctx { | |
1153 | __le32 rem_rcv_len; | |
1154 | __le32 exp_data_transfer_len; | |
1155 | __le32 exp_data_sn; | |
1156 | struct regpair lun; | |
1157 | struct iscsi_reg1 reg1; | |
1158 | u8 flags2; | |
1159 | #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_MASK 0x1 | |
1160 | #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_SHIFT 0 | |
1161 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_MASK 0x7F | |
1162 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_SHIFT 1 | |
1163 | u8 reserved2; | |
1164 | __le16 reserved3; | |
1165 | __le32 reserved4; | |
1166 | __le32 reserved5; | |
1167 | __le32 reserved6; | |
1168 | __le32 reserved7; | |
1169 | u8 task_type; | |
1170 | u8 error_flags; | |
1171 | #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_MASK 0x1 | |
1172 | #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_SHIFT 0 | |
1173 | #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_MASK 0x1 | |
1174 | #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_SHIFT 1 | |
1175 | #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_MASK 0x1 | |
1176 | #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_SHIFT 2 | |
1177 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_MASK 0x1F | |
1178 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_SHIFT 3 | |
1179 | u8 flags; | |
1180 | #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_MASK 0x3 | |
1181 | #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_SHIFT 0 | |
1182 | #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_MASK 0x1 | |
1183 | #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_SHIFT 2 | |
1184 | #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_MASK 0x1 | |
1185 | #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_SHIFT 3 | |
1186 | #define USTORM_ISCSI_TASK_ST_CTX_TOTALDATAACKED_DONE_MASK 0x1 | |
1187 | #define USTORM_ISCSI_TASK_ST_CTX_TOTALDATAACKED_DONE_SHIFT 4 | |
1188 | #define USTORM_ISCSI_TASK_ST_CTX_HQSCANNED_DONE_MASK 0x1 | |
1189 | #define USTORM_ISCSI_TASK_ST_CTX_HQSCANNED_DONE_SHIFT 5 | |
1190 | #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_MASK 0x1 | |
1191 | #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_SHIFT 6 | |
1192 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_MASK 0x1 | |
1193 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_SHIFT 7 | |
1194 | u8 cq_rss_number; | |
1195 | }; | |
1196 | ||
1197 | struct iscsi_task_context { | |
1198 | struct ystorm_iscsi_task_st_ctx ystorm_st_context; | |
1199 | struct regpair ystorm_st_padding[2]; | |
1200 | struct ystorm_iscsi_task_ag_ctx ystorm_ag_context; | |
1201 | struct regpair ystorm_ag_padding[2]; | |
1202 | struct tdif_task_context tdif_context; | |
1203 | struct mstorm_iscsi_task_ag_ctx mstorm_ag_context; | |
1204 | struct regpair mstorm_ag_padding[2]; | |
1205 | struct ustorm_iscsi_task_ag_ctx ustorm_ag_context; | |
1206 | struct mstorm_iscsi_task_st_ctx mstorm_st_context; | |
1207 | struct ustorm_iscsi_task_st_ctx ustorm_st_context; | |
1208 | struct rdif_task_context rdif_context; | |
1209 | }; | |
1210 | ||
1211 | enum iscsi_task_type { | |
1212 | ISCSI_TASK_TYPE_INITIATOR_WRITE, | |
1213 | ISCSI_TASK_TYPE_INITIATOR_READ, | |
1214 | ISCSI_TASK_TYPE_MIDPATH, | |
1215 | ISCSI_TASK_TYPE_UNSOLIC, | |
1216 | ISCSI_TASK_TYPE_EXCHCLEANUP, | |
1217 | ISCSI_TASK_TYPE_IRRELEVANT, | |
1218 | ISCSI_TASK_TYPE_TARGET_WRITE, | |
1219 | ISCSI_TASK_TYPE_TARGET_READ, | |
1220 | ISCSI_TASK_TYPE_TARGET_RESPONSE, | |
1221 | ISCSI_TASK_TYPE_LOGIN_RESPONSE, | |
1222 | MAX_ISCSI_TASK_TYPE | |
1223 | }; | |
1224 | ||
1225 | union iscsi_ttt_txlen_union { | |
1226 | __le32 desired_tx_len; | |
1227 | __le32 ttt; | |
1228 | }; | |
1229 | ||
1230 | struct iscsi_uhqe { | |
1231 | __le32 reg1; | |
1232 | #define ISCSI_UHQE_PDU_PAYLOAD_LEN_MASK 0xFFFFF | |
1233 | #define ISCSI_UHQE_PDU_PAYLOAD_LEN_SHIFT 0 | |
1234 | #define ISCSI_UHQE_LOCAL_COMP_MASK 0x1 | |
1235 | #define ISCSI_UHQE_LOCAL_COMP_SHIFT 20 | |
1236 | #define ISCSI_UHQE_TOGGLE_BIT_MASK 0x1 | |
1237 | #define ISCSI_UHQE_TOGGLE_BIT_SHIFT 21 | |
1238 | #define ISCSI_UHQE_PURE_PAYLOAD_MASK 0x1 | |
1239 | #define ISCSI_UHQE_PURE_PAYLOAD_SHIFT 22 | |
1240 | #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_MASK 0x1 | |
1241 | #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_SHIFT 23 | |
1242 | #define ISCSI_UHQE_TASK_ID_HI_MASK 0xFF | |
1243 | #define ISCSI_UHQE_TASK_ID_HI_SHIFT 24 | |
1244 | __le32 reg2; | |
1245 | #define ISCSI_UHQE_BUFFER_OFFSET_MASK 0xFFFFFF | |
1246 | #define ISCSI_UHQE_BUFFER_OFFSET_SHIFT 0 | |
1247 | #define ISCSI_UHQE_TASK_ID_LO_MASK 0xFF | |
1248 | #define ISCSI_UHQE_TASK_ID_LO_SHIFT 24 | |
1249 | }; | |
1250 | ||
1251 | struct iscsi_wqe_field { | |
1252 | __le32 contlen_cdbsize_field; | |
1253 | #define ISCSI_WQE_FIELD_CONT_LEN_MASK 0xFFFFFF | |
1254 | #define ISCSI_WQE_FIELD_CONT_LEN_SHIFT 0 | |
1255 | #define ISCSI_WQE_FIELD_CDB_SIZE_MASK 0xFF | |
1256 | #define ISCSI_WQE_FIELD_CDB_SIZE_SHIFT 24 | |
1257 | }; | |
1258 | ||
1259 | union iscsi_wqe_field_union { | |
1260 | struct iscsi_wqe_field cont_field; | |
1261 | __le32 prev_tid; | |
1262 | }; | |
1263 | ||
1264 | struct iscsi_wqe { | |
1265 | __le16 task_id; | |
1266 | u8 flags; | |
1267 | #define ISCSI_WQE_WQE_TYPE_MASK 0x7 | |
1268 | #define ISCSI_WQE_WQE_TYPE_SHIFT 0 | |
1269 | #define ISCSI_WQE_NUM_FAST_SGES_MASK 0x7 | |
1270 | #define ISCSI_WQE_NUM_FAST_SGES_SHIFT 3 | |
1271 | #define ISCSI_WQE_PTU_INVALIDATE_MASK 0x1 | |
1272 | #define ISCSI_WQE_PTU_INVALIDATE_SHIFT 6 | |
1273 | #define ISCSI_WQE_RESPONSE_MASK 0x1 | |
1274 | #define ISCSI_WQE_RESPONSE_SHIFT 7 | |
1275 | struct iscsi_dif_flags prot_flags; | |
1276 | union iscsi_wqe_field_union cont_prevtid_union; | |
1277 | }; | |
1278 | ||
1279 | enum iscsi_wqe_type { | |
1280 | ISCSI_WQE_TYPE_NORMAL, | |
1281 | ISCSI_WQE_TYPE_TASK_CLEANUP, | |
1282 | ISCSI_WQE_TYPE_MIDDLE_PATH, | |
1283 | ISCSI_WQE_TYPE_LOGIN, | |
1284 | ISCSI_WQE_TYPE_FIRST_R2T_CONT, | |
1285 | ISCSI_WQE_TYPE_NONFIRST_R2T_CONT, | |
1286 | ISCSI_WQE_TYPE_RESPONSE, | |
1287 | MAX_ISCSI_WQE_TYPE | |
1288 | }; | |
1289 | ||
1290 | struct iscsi_xhqe { | |
1291 | union iscsi_ttt_txlen_union ttt_or_txlen; | |
1292 | __le32 exp_stat_sn; | |
1293 | struct iscsi_dif_flags prot_flags; | |
1294 | u8 total_ahs_length; | |
1295 | u8 opcode; | |
1296 | u8 flags; | |
1297 | #define ISCSI_XHQE_NUM_FAST_SGES_MASK 0x7 | |
1298 | #define ISCSI_XHQE_NUM_FAST_SGES_SHIFT 0 | |
1299 | #define ISCSI_XHQE_FINAL_MASK 0x1 | |
1300 | #define ISCSI_XHQE_FINAL_SHIFT 3 | |
1301 | #define ISCSI_XHQE_SUPER_IO_MASK 0x1 | |
1302 | #define ISCSI_XHQE_SUPER_IO_SHIFT 4 | |
1303 | #define ISCSI_XHQE_STATUS_BIT_MASK 0x1 | |
1304 | #define ISCSI_XHQE_STATUS_BIT_SHIFT 5 | |
1305 | #define ISCSI_XHQE_RESERVED_MASK 0x3 | |
1306 | #define ISCSI_XHQE_RESERVED_SHIFT 6 | |
1307 | union iscsi_seq_num seq_num_union; | |
1308 | __le16 reserved1; | |
1309 | }; | |
1310 | ||
1311 | struct mstorm_iscsi_stats_drv { | |
1312 | struct regpair iscsi_rx_dropped_pdus_task_not_valid; | |
1313 | }; | |
1314 | ||
7a9b6b8f YM |
1315 | struct pstorm_iscsi_stats_drv { |
1316 | struct regpair iscsi_tx_bytes_cnt; | |
1317 | struct regpair iscsi_tx_packet_cnt; | |
1318 | }; | |
1319 | ||
1320 | struct tstorm_iscsi_stats_drv { | |
1321 | struct regpair iscsi_rx_bytes_cnt; | |
1322 | struct regpair iscsi_rx_packet_cnt; | |
1323 | struct regpair iscsi_rx_new_ooo_isle_events_cnt; | |
1324 | __le32 iscsi_cmdq_threshold_cnt; | |
1325 | __le32 iscsi_rq_threshold_cnt; | |
1326 | __le32 iscsi_immq_threshold_cnt; | |
1327 | }; | |
1328 | ||
1329 | struct ustorm_iscsi_stats_drv { | |
1330 | struct regpair iscsi_rx_data_pdu_cnt; | |
1331 | struct regpair iscsi_rx_r2t_pdu_cnt; | |
1332 | struct regpair iscsi_rx_total_pdu_cnt; | |
1333 | }; | |
1334 | ||
1335 | struct xstorm_iscsi_stats_drv { | |
1336 | struct regpair iscsi_tx_go_to_slow_start_event_cnt; | |
1337 | struct regpair iscsi_tx_fast_retransmit_event_cnt; | |
1338 | }; | |
1339 | ||
1340 | struct ystorm_iscsi_stats_drv { | |
1341 | struct regpair iscsi_tx_data_pdu_cnt; | |
1342 | struct regpair iscsi_tx_r2t_pdu_cnt; | |
1343 | struct regpair iscsi_tx_total_pdu_cnt; | |
1344 | }; | |
1345 | ||
1346 | struct iscsi_db_data { | |
1347 | u8 params; | |
1348 | #define ISCSI_DB_DATA_DEST_MASK 0x3 | |
1349 | #define ISCSI_DB_DATA_DEST_SHIFT 0 | |
1350 | #define ISCSI_DB_DATA_AGG_CMD_MASK 0x3 | |
1351 | #define ISCSI_DB_DATA_AGG_CMD_SHIFT 2 | |
1352 | #define ISCSI_DB_DATA_BYPASS_EN_MASK 0x1 | |
1353 | #define ISCSI_DB_DATA_BYPASS_EN_SHIFT 4 | |
1354 | #define ISCSI_DB_DATA_RESERVED_MASK 0x1 | |
1355 | #define ISCSI_DB_DATA_RESERVED_SHIFT 5 | |
1356 | #define ISCSI_DB_DATA_AGG_VAL_SEL_MASK 0x3 | |
1357 | #define ISCSI_DB_DATA_AGG_VAL_SEL_SHIFT 6 | |
1358 | u8 agg_flags; | |
1359 | __le16 sq_prod; | |
1360 | }; | |
1361 | ||
1362 | struct tstorm_iscsi_task_ag_ctx { | |
1363 | u8 byte0; | |
1364 | u8 byte1; | |
1365 | __le16 word0; | |
1366 | u8 flags0; | |
1367 | #define TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF | |
1368 | #define TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 | |
1369 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 | |
1370 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 | |
1371 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 | |
1372 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 | |
1373 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT2_MASK 0x1 | |
1374 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT2_SHIFT 6 | |
1375 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 | |
1376 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 | |
1377 | u8 flags1; | |
1378 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 | |
1379 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 | |
1380 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT5_MASK 0x1 | |
1381 | #define TSTORM_ISCSI_TASK_AG_CTX_BIT5_SHIFT 1 | |
1382 | #define TSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 | |
1383 | #define TSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 2 | |
1384 | #define TSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 | |
1385 | #define TSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 4 | |
1386 | #define TSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 | |
1387 | #define TSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 6 | |
1388 | u8 flags2; | |
1389 | #define TSTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 | |
1390 | #define TSTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 0 | |
1391 | #define TSTORM_ISCSI_TASK_AG_CTX_CF4_MASK 0x3 | |
1392 | #define TSTORM_ISCSI_TASK_AG_CTX_CF4_SHIFT 2 | |
1393 | #define TSTORM_ISCSI_TASK_AG_CTX_CF5_MASK 0x3 | |
1394 | #define TSTORM_ISCSI_TASK_AG_CTX_CF5_SHIFT 4 | |
1395 | #define TSTORM_ISCSI_TASK_AG_CTX_CF6_MASK 0x3 | |
1396 | #define TSTORM_ISCSI_TASK_AG_CTX_CF6_SHIFT 6 | |
1397 | u8 flags3; | |
1398 | #define TSTORM_ISCSI_TASK_AG_CTX_CF7_MASK 0x3 | |
1399 | #define TSTORM_ISCSI_TASK_AG_CTX_CF7_SHIFT 0 | |
1400 | #define TSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 | |
1401 | #define TSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 2 | |
1402 | #define TSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 | |
1403 | #define TSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 3 | |
1404 | #define TSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 | |
1405 | #define TSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 4 | |
1406 | #define TSTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 | |
1407 | #define TSTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 5 | |
1408 | #define TSTORM_ISCSI_TASK_AG_CTX_CF4EN_MASK 0x1 | |
1409 | #define TSTORM_ISCSI_TASK_AG_CTX_CF4EN_SHIFT 6 | |
1410 | #define TSTORM_ISCSI_TASK_AG_CTX_CF5EN_MASK 0x1 | |
1411 | #define TSTORM_ISCSI_TASK_AG_CTX_CF5EN_SHIFT 7 | |
1412 | u8 flags4; | |
1413 | #define TSTORM_ISCSI_TASK_AG_CTX_CF6EN_MASK 0x1 | |
1414 | #define TSTORM_ISCSI_TASK_AG_CTX_CF6EN_SHIFT 0 | |
1415 | #define TSTORM_ISCSI_TASK_AG_CTX_CF7EN_MASK 0x1 | |
1416 | #define TSTORM_ISCSI_TASK_AG_CTX_CF7EN_SHIFT 1 | |
1417 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 | |
1418 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 2 | |
1419 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 | |
1420 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 3 | |
1421 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 | |
1422 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 4 | |
1423 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 | |
1424 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 5 | |
1425 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 | |
1426 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 6 | |
1427 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 | |
1428 | #define TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 7 | |
1429 | u8 byte2; | |
1430 | __le16 word1; | |
1431 | __le32 reg0; | |
1432 | u8 byte3; | |
1433 | u8 byte4; | |
1434 | __le16 word2; | |
1435 | __le16 word3; | |
1436 | __le16 word4; | |
1437 | __le32 reg1; | |
1438 | __le32 reg2; | |
1439 | }; | |
1440 | ||
1441 | #endif /* __ISCSI_COMMON__ */ |