Commit | Line | Data |
---|---|---|
1f4d4ed6 | 1 | /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ |
7a9b6b8f | 2 | /* QLogic qed NIC Driver |
e8f1cb50 | 3 | * Copyright (c) 2015-2017 QLogic Corporation |
663eacd8 | 4 | * Copyright (c) 2019-2020 Marvell International Ltd. |
7a9b6b8f YM |
5 | */ |
6 | ||
7 | #ifndef __ISCSI_COMMON__ | |
8 | #define __ISCSI_COMMON__ | |
a2e7699e | 9 | |
7a9b6b8f YM |
10 | /**********************/ |
11 | /* ISCSI FW CONSTANTS */ | |
12 | /**********************/ | |
13 | ||
14 | /* iSCSI HSI constants */ | |
a2e7699e | 15 | #define ISCSI_DEFAULT_MTU (1500) |
7a9b6b8f | 16 | |
7a9b6b8f | 17 | /* KWQ (kernel work queue) layer codes */ |
a2e7699e | 18 | #define ISCSI_SLOW_PATH_LAYER_CODE (6) |
7a9b6b8f | 19 | |
7a9b6b8f | 20 | /* iSCSI parameter defaults */ |
a2e7699e TT |
21 | #define ISCSI_DEFAULT_HEADER_DIGEST (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) | |
7a9b6b8f YM |
29 | |
30 | /* iSCSI parameter limits */ | |
a2e7699e TT |
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) | |
7a9b6b8f | 37 | |
a2e7699e | 38 | #define ISCSI_AHS_CNTL_SIZE 4 |
be086e7c | 39 | |
a2e7699e | 40 | #define ISCSI_WQE_NUM_SGES_SLOWIO (0xf) |
be086e7c | 41 | |
7a9b6b8f YM |
42 | /* iSCSI reserved params */ |
43 | #define ISCSI_ITT_ALL_ONES (0xffffffff) | |
44 | #define ISCSI_TTT_ALL_ONES (0xffffffff) | |
45 | ||
a2e7699e TT |
46 | #define ISCSI_OPTION_1_OFF_CHIP_TCP 1 |
47 | #define ISCSI_OPTION_2_ON_CHIP_TCP 2 | |
7a9b6b8f | 48 | |
a2e7699e TT |
49 | #define ISCSI_INITIATOR_MODE 0 |
50 | #define ISCSI_TARGET_MODE 1 | |
7a9b6b8f YM |
51 | |
52 | /* iSCSI request op codes */ | |
7b6859fb MY |
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) | |
7a9b6b8f YM |
60 | |
61 | /* iSCSI response/messages op codes */ | |
a2e7699e TT |
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) | |
7a9b6b8f YM |
72 | |
73 | /* iSCSI stages */ | |
a2e7699e TT |
74 | #define ISCSI_STAGE_SECURITY_NEGOTIATION (0) |
75 | #define ISCSI_STAGE_LOGIN_OPERATIONAL_NEGOTIATION (1) | |
76 | #define ISCSI_STAGE_FULL_FEATURE_PHASE (3) | |
7a9b6b8f YM |
77 | |
78 | /* iSCSI CQE errors */ | |
a2e7699e TT |
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) | |
7a9b6b8f | 82 | |
da090917 TT |
83 | /* Union of data bd_opaque/ tq_tid */ |
84 | union bd_opaque_tq_union { | |
85 | __le16 bd_opaque; | |
86 | __le16 tq_tid; | |
87 | }; | |
88 | ||
a2e7699e | 89 | /* ISCSI SGL entry */ |
7a9b6b8f YM |
90 | struct cqe_error_bitmap { |
91 | u8 cqe_error_status_bits; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
104 | }; |
105 | ||
106 | union cqe_error_status { | |
107 | u8 error_status; | |
108 | struct cqe_error_bitmap error_bits; | |
109 | }; | |
110 | ||
a2e7699e | 111 | /* iSCSI Login Response PDU header */ |
7a9b6b8f YM |
112 | struct data_hdr { |
113 | __le32 data[12]; | |
114 | }; | |
115 | ||
da090917 TT |
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 | ||
a2e7699e TT |
175 | /* Union of data/r2t sequence number */ |
176 | union iscsi_seq_num { | |
177 | __le16 data_sn; | |
178 | __le16 r2t_sn; | |
7a9b6b8f YM |
179 | }; |
180 | ||
a2e7699e TT |
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 | |
7a9b6b8f YM |
190 | }; |
191 | ||
a2e7699e TT |
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 | |
da090917 TT |
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 | |
a2e7699e TT |
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 */ | |
7a9b6b8f YM |
222 | struct iscsi_common_hdr { |
223 | u8 hdr_status; | |
224 | u8 hdr_response; | |
225 | u8 hdr_flags; | |
226 | u8 hdr_first_byte; | |
a2e7699e TT |
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 | |
7a9b6b8f | 233 | __le32 hdr_second_dword; |
a2e7699e TT |
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 | |
be086e7c MY |
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]; | |
7a9b6b8f YM |
245 | }; |
246 | ||
a2e7699e TT |
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; | |
7a9b6b8f | 277 | __le32 exp_stat_sn; |
a2e7699e | 278 | __le32 cdb[4]; |
7a9b6b8f YM |
279 | }; |
280 | ||
a2e7699e | 281 | /* iSCSI Command PDU header with Extended CDB (Initiator Mode) */ |
7a9b6b8f YM |
282 | struct iscsi_ext_cdb_cmd_hdr { |
283 | __le16 reserved1; | |
284 | u8 flags_attr; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
295 | u8 opcode; |
296 | __le32 hdr_second_dword; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
301 | struct regpair lun; |
302 | __le32 itt; | |
303 | __le32 expected_transfer_length; | |
304 | __le32 cmd_sn; | |
305 | __le32 exp_stat_sn; | |
be086e7c | 306 | struct scsi_sge cdb_sge; |
7a9b6b8f YM |
307 | }; |
308 | ||
a2e7699e | 309 | /* iSCSI login request PDU header */ |
7a9b6b8f YM |
310 | struct iscsi_login_req_hdr { |
311 | u8 version_min; | |
312 | u8 version_max; | |
313 | u8 flags_attr; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
324 | u8 opcode; |
325 | __le32 hdr_second_dword; | |
a2e7699e TT |
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 | |
05fafbfb | 330 | __le32 isid_tabc; |
7a9b6b8f YM |
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 | ||
a2e7699e | 341 | /* iSCSI logout request PDU header */ |
7a9b6b8f YM |
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 | ||
a2e7699e | 356 | /* iSCSI Data-out PDU header */ |
7a9b6b8f YM |
357 | struct iscsi_data_out_hdr { |
358 | __le16 reserved1; | |
359 | u8 flags_attr; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
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 | ||
a2e7699e | 377 | /* iSCSI Data-in PDU header */ |
7a9b6b8f YM |
378 | struct iscsi_data_in_hdr { |
379 | u8 status_rsvd; | |
380 | u8 reserved1; | |
381 | u8 flags; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
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 | ||
a2e7699e | 407 | /* iSCSI R2T PDU header */ |
7a9b6b8f YM |
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 | ||
a2e7699e | 423 | /* iSCSI NOP-out PDU header */ |
7a9b6b8f YM |
424 | struct iscsi_nop_out_hdr { |
425 | __le16 reserved1; | |
426 | u8 flags_attr; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
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 | ||
a2e7699e | 444 | /* iSCSI NOP-in PDU header */ |
7a9b6b8f YM |
445 | struct iscsi_nop_in_hdr { |
446 | __le16 reserved0; | |
447 | u8 flags_attr; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
452 | u8 opcode; |
453 | __le32 hdr_second_dword; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
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 | ||
a2e7699e | 469 | /* iSCSI Login Response PDU header */ |
7a9b6b8f YM |
470 | struct iscsi_login_response_hdr { |
471 | u8 version_active; | |
472 | u8 version_max; | |
473 | u8 flags_attr; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
484 | u8 opcode; |
485 | __le32 hdr_second_dword; | |
a2e7699e TT |
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 | |
05fafbfb | 490 | __le32 isid_tabc; |
7a9b6b8f YM |
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 | ||
a2e7699e | 504 | /* iSCSI Logout Response PDU header */ |
7a9b6b8f YM |
505 | struct iscsi_logout_response_hdr { |
506 | u8 reserved1; | |
507 | u8 response; | |
508 | u8 flags; | |
509 | u8 opcode; | |
510 | __le32 hdr_second_dword; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
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; | |
be086e7c MY |
522 | __le16 time_2_retain; |
523 | __le16 time_2_wait; | |
7a9b6b8f YM |
524 | __le32 reserved5[1]; |
525 | }; | |
526 | ||
a2e7699e | 527 | /* iSCSI Text Request PDU header */ |
7a9b6b8f YM |
528 | struct iscsi_text_request_hdr { |
529 | __le16 reserved0; | |
530 | u8 flags_attr; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
537 | u8 opcode; |
538 | __le32 hdr_second_dword; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
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 | ||
a2e7699e | 551 | /* iSCSI Text Response PDU header */ |
7a9b6b8f YM |
552 | struct iscsi_text_response_hdr { |
553 | __le16 reserved1; | |
554 | u8 flags; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
561 | u8 opcode; |
562 | __le32 hdr_second_dword; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
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 | ||
a2e7699e | 576 | /* iSCSI TMF Request PDU header */ |
7a9b6b8f YM |
577 | struct iscsi_tmf_request_hdr { |
578 | __le16 reserved0; | |
579 | u8 function; | |
580 | u8 opcode; | |
581 | __le32 hdr_second_dword; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
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; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
606 | struct regpair reserved0; |
607 | __le32 itt; | |
be086e7c | 608 | __le32 reserved1; |
7a9b6b8f YM |
609 | __le32 stat_sn; |
610 | __le32 exp_cmd_sn; | |
611 | __le32 max_cmd_sn; | |
612 | __le32 reserved4[3]; | |
613 | }; | |
614 | ||
a2e7699e | 615 | /* iSCSI Response PDU header */ |
7a9b6b8f YM |
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; | |
a2e7699e TT |
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 | |
7a9b6b8f YM |
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 | ||
a2e7699e | 637 | /* iSCSI Reject PDU header */ |
7a9b6b8f YM |
638 | struct iscsi_reject_hdr { |
639 | u8 reserved4; | |
640 | u8 hdr_reason; | |
641 | u8 hdr_flags; | |
642 | u8 opcode; | |
643 | __le32 hdr_second_dword; | |
a2e7699e TT |
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 | |
7a9b6b8f | 648 | struct regpair reserved0; |
be086e7c | 649 | __le32 all_ones; |
7a9b6b8f YM |
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 | ||
a2e7699e TT |
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 */ | |
7a9b6b8f YM |
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 | ||
a2e7699e TT |
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 | ||
fb09a1ed | 717 | struct ystorm_iscsi_task_ag_ctx { |
a2e7699e TT |
718 | u8 reserved; |
719 | u8 byte1; | |
720 | __le16 word0; | |
721 | u8 flags0; | |
fb09a1ed SM |
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 | |
a2e7699e | 732 | u8 flags1; |
fb09a1ed SM |
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 | |
a2e7699e | 743 | u8 flags2; |
fb09a1ed SM |
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 | |
a2e7699e TT |
760 | u8 byte2; |
761 | __le32 TTT; | |
762 | u8 byte3; | |
763 | u8 byte4; | |
764 | __le16 word1; | |
765 | }; | |
766 | ||
fb09a1ed | 767 | struct mstorm_iscsi_task_ag_ctx { |
a2e7699e TT |
768 | u8 cdu_validation; |
769 | u8 byte1; | |
770 | __le16 task_cid; | |
771 | u8 flags0; | |
fb09a1ed SM |
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 | |
a2e7699e | 782 | u8 flags1; |
fb09a1ed SM |
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 | |
a2e7699e | 793 | u8 flags2; |
fb09a1ed SM |
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 | |
a2e7699e TT |
810 | u8 byte2; |
811 | __le32 reg0; | |
812 | u8 byte3; | |
813 | u8 byte4; | |
814 | __le16 word1; | |
815 | }; | |
816 | ||
fb09a1ed | 817 | struct ustorm_iscsi_task_ag_ctx { |
a2e7699e TT |
818 | u8 reserved; |
819 | u8 state; | |
820 | __le16 icid; | |
821 | u8 flags0; | |
fb09a1ed SM |
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 | |
a2e7699e | 830 | u8 flags1; |
fb09a1ed SM |
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 | |
a2e7699e | 839 | u8 flags2; |
fb09a1ed SM |
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 | |
a2e7699e | 856 | u8 flags3; |
fb09a1ed SM |
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 | |
a2e7699e TT |
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; | |
a3f72307 | 873 | u8 byte2; |
a2e7699e TT |
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; | |
da090917 | 890 | __le16 dif_task_icid; |
a2e7699e TT |
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 | ||
da090917 TT |
904 | struct tqe_opaque { |
905 | __le16 opaque[2]; | |
906 | }; | |
907 | ||
a2e7699e TT |
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; | |
da090917 | 922 | struct tqe_opaque tqe_opaque_list; |
a2e7699e TT |
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 cq_rss_number; | |
952 | }; | |
953 | ||
954 | /* iscsi task context */ | |
fb09a1ed | 955 | struct iscsi_task_context { |
a2e7699e | 956 | struct ystorm_iscsi_task_st_ctx ystorm_st_context; |
fb09a1ed | 957 | struct ystorm_iscsi_task_ag_ctx ystorm_ag_context; |
a2e7699e TT |
958 | struct regpair ystorm_ag_padding[2]; |
959 | struct tdif_task_context tdif_context; | |
fb09a1ed | 960 | struct mstorm_iscsi_task_ag_ctx mstorm_ag_context; |
a2e7699e | 961 | struct regpair mstorm_ag_padding[2]; |
fb09a1ed | 962 | struct ustorm_iscsi_task_ag_ctx ustorm_ag_context; |
a2e7699e TT |
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; | |
a2e7699e TT |
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 | |
a2e7699e | 987 | u8 default_cq; |
6459d936 | 988 | __le16 reserved0; |
a2e7699e | 989 | __le32 stat_sn; |
6459d936 | 990 | __le32 initial_ack; |
a2e7699e TT |
991 | }; |
992 | ||
da090917 TT |
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 | ||
a2e7699e TT |
1005 | |
1006 | /* iSCSI connection update params passed by driver to FW in ISCSI update | |
1007 | *ramrod. | |
1008 | */ | |
1009 | struct iscsi_conn_update_ramrod_params { | |
6459d936 | 1010 | __le16 reserved0; |
a2e7699e | 1011 | __le16 conn_id; |
6459d936 | 1012 | __le32 reserved1; |
a2e7699e TT |
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 | |
da090917 TT |
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 | |
6459d936 | 1030 | u8 reserved3[3]; |
a2e7699e TT |
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; | |
da090917 | 1036 | union dif_configuration_params dif_on_imme_params; |
a2e7699e TT |
1037 | }; |
1038 | ||
1039 | /* iSCSI CQ element */ | |
7a9b6b8f YM |
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 | ||
a2e7699e | 1048 | /* iSCSI CQ element */ |
7a9b6b8f YM |
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; | |
be086e7c MY |
1056 | u8 caused_conn_err; |
1057 | u8 reserved0[3]; | |
da090917 | 1058 | __le32 data_truncated_bytes; |
7a9b6b8f YM |
1059 | union iscsi_task_hdr iscsi_hdr; |
1060 | }; | |
1061 | ||
a2e7699e | 1062 | /* iSCSI CQ element */ |
7a9b6b8f YM |
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; | |
da090917 TT |
1070 | __le16 rqe_opaque; |
1071 | __le16 reserved2[3]; | |
7a9b6b8f YM |
1072 | union iscsi_task_hdr iscsi_hdr; |
1073 | }; | |
1074 | ||
a2e7699e | 1075 | /* iSCSI CQ element */ |
7a9b6b8f YM |
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 | ||
a2e7699e | 1082 | /* iSCSI CQE type */ |
7a9b6b8f YM |
1083 | enum iscsi_cqes_type { |
1084 | ISCSI_CQE_TYPE_SOLICITED = 1, | |
1085 | ISCSI_CQE_TYPE_UNSOLICITED, | |
05fafbfb | 1086 | ISCSI_CQE_TYPE_SOLICITED_WITH_SENSE, |
7a9b6b8f YM |
1087 | ISCSI_CQE_TYPE_TASK_CLEANUP, |
1088 | ISCSI_CQE_TYPE_DUMMY, | |
1089 | MAX_ISCSI_CQES_TYPE | |
1090 | }; | |
1091 | ||
a2e7699e | 1092 | /* iSCSI CQE type */ |
7a9b6b8f YM |
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 | ||
a2e7699e | 1102 | /* iscsi debug modes */ |
7a9b6b8f YM |
1103 | struct iscsi_debug_modes { |
1104 | u8 flags; | |
da090917 TT |
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 | |
a2e7699e TT |
1121 | }; |
1122 | ||
1123 | /* iSCSI kernel completion queue IDs */ | |
7a9b6b8f YM |
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, | |
05fafbfb | 1131 | ISCSI_EVENT_TYPE_MAC_UPDATE_CONN, |
da090917 | 1132 | ISCSI_EVENT_TYPE_COLLECT_STATS_CONN, |
7a9b6b8f YM |
1133 | ISCSI_EVENT_TYPE_ASYN_CONNECT_COMPLETE, |
1134 | ISCSI_EVENT_TYPE_ASYN_TERMINATE_DONE, | |
7a9b6b8f YM |
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, | |
7a9b6b8f YM |
1145 | MAX_ISCSI_EQE_OPCODE |
1146 | }; | |
1147 | ||
a2e7699e | 1148 | /* iSCSI EQE and CQE completion status */ |
7a9b6b8f YM |
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 | ISCSI_CONN_ERROR_HEADER_DIGEST_ERROR, | |
1158 | ISCSI_CONN_ERROR_LOCAL_COMPLETION_ERROR, | |
1159 | ISCSI_CONN_ERROR_DATA_OVERRUN, | |
1160 | ISCSI_CONN_ERROR_OUT_OF_SGES_ERROR, | |
7b6859fb MY |
1161 | ISCSI_CONN_ERROR_IP_OPTIONS_ERROR, |
1162 | ISCSI_CONN_ERROR_PRS_ERRORS, | |
1163 | ISCSI_CONN_ERROR_CONNECT_INVALID_TCP_OPTION, | |
7a9b6b8f YM |
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, | |
be086e7c | 1195 | ISCSI_CONN_ERROR_INVALID_ITT, |
7a9b6b8f YM |
1196 | ISCSI_ERROR_UNKNOWN, |
1197 | MAX_ISCSI_ERROR_TYPES | |
1198 | }; | |
1199 | ||
a2e7699e | 1200 | /* iSCSI Ramrod Command IDs */ |
7a9b6b8f YM |
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, | |
05fafbfb | 1209 | ISCSI_RAMROD_CMD_ID_MAC_UPDATE = 7, |
da090917 | 1210 | ISCSI_RAMROD_CMD_ID_CONN_STATS = 8, |
7a9b6b8f YM |
1211 | MAX_ISCSI_RAMROD_CMD_ID |
1212 | }; | |
1213 | ||
a2e7699e | 1214 | /* iSCSI connection termination request */ |
05fafbfb | 1215 | struct iscsi_spe_conn_mac_update { |
6459d936 | 1216 | __le16 reserved0; |
05fafbfb | 1217 | __le16 conn_id; |
6459d936 | 1218 | __le32 reserved1; |
05fafbfb YM |
1219 | __le16 remote_mac_addr_lo; |
1220 | __le16 remote_mac_addr_mid; | |
1221 | __le16 remote_mac_addr_hi; | |
6459d936 | 1222 | u8 reserved2[2]; |
05fafbfb YM |
1223 | }; |
1224 | ||
a2e7699e TT |
1225 | /* iSCSI and TCP connection (Option 1) offload params passed by driver to FW in |
1226 | * iSCSI offload ramrod. | |
1227 | */ | |
7a9b6b8f | 1228 | struct iscsi_spe_conn_offload { |
6459d936 | 1229 | __le16 reserved0; |
7a9b6b8f | 1230 | __le16 conn_id; |
6459d936 | 1231 | __le32 reserved1; |
7a9b6b8f YM |
1232 | struct iscsi_conn_offload_params iscsi; |
1233 | struct tcp_offload_params tcp; | |
1234 | }; | |
1235 | ||
a2e7699e TT |
1236 | /* iSCSI and TCP connection(Option 2) offload params passed by driver to FW in |
1237 | * iSCSI offload ramrod. | |
1238 | */ | |
7a9b6b8f | 1239 | struct iscsi_spe_conn_offload_option2 { |
6459d936 | 1240 | __le16 reserved0; |
7a9b6b8f | 1241 | __le16 conn_id; |
6459d936 | 1242 | __le32 reserved1; |
7a9b6b8f YM |
1243 | struct iscsi_conn_offload_params iscsi; |
1244 | struct tcp_offload_params_opt2 tcp; | |
1245 | }; | |
1246 | ||
da090917 TT |
1247 | /* iSCSI collect connection statistics request */ |
1248 | struct iscsi_spe_conn_statistics { | |
6459d936 | 1249 | __le16 reserved0; |
da090917 | 1250 | __le16 conn_id; |
6459d936 | 1251 | __le32 reserved1; |
da090917 | 1252 | u8 reset_stats; |
6459d936 | 1253 | u8 reserved2[7]; |
da090917 TT |
1254 | struct regpair stats_cnts_addr; |
1255 | }; | |
1256 | ||
a2e7699e | 1257 | /* iSCSI connection termination request */ |
7a9b6b8f | 1258 | struct iscsi_spe_conn_termination { |
6459d936 | 1259 | __le16 reserved0; |
7a9b6b8f | 1260 | __le16 conn_id; |
6459d936 | 1261 | __le32 reserved1; |
7a9b6b8f | 1262 | u8 abortive; |
6459d936 | 1263 | u8 reserved2[7]; |
7a9b6b8f YM |
1264 | struct regpair queue_cnts_addr; |
1265 | struct regpair query_params_addr; | |
1266 | }; | |
1267 | ||
a2e7699e | 1268 | /* iSCSI firmware function init parameters */ |
7a9b6b8f | 1269 | struct iscsi_spe_func_init { |
7a9b6b8f YM |
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; | |
da090917 TT |
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 | |
7a9b6b8f | 1280 | struct iscsi_debug_modes debug_mode; |
6459d936 MK |
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]; | |
7a9b6b8f YM |
1287 | struct scsi_init_func_params func_params; |
1288 | struct scsi_init_func_queues q_params; | |
1289 | }; | |
1290 | ||
a2e7699e | 1291 | /* iSCSI task type */ |
7a9b6b8f YM |
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, | |
da090917 | 1303 | ISCSI_TASK_TYPE_TARGET_IMM_W_DIF, |
7a9b6b8f YM |
1304 | MAX_ISCSI_TASK_TYPE |
1305 | }; | |
1306 | ||
a2e7699e | 1307 | /* iSCSI DesiredDataTransferLength/ttt union */ |
7a9b6b8f YM |
1308 | union iscsi_ttt_txlen_union { |
1309 | __le32 desired_tx_len; | |
1310 | __le32 ttt; | |
1311 | }; | |
1312 | ||
a2e7699e | 1313 | /* iSCSI uHQ element */ |
7a9b6b8f YM |
1314 | struct iscsi_uhqe { |
1315 | __le32 reg1; | |
a2e7699e TT |
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 | |
7a9b6b8f | 1328 | __le32 reg2; |
a2e7699e TT |
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 | |
7a9b6b8f YM |
1333 | }; |
1334 | ||
a2e7699e | 1335 | /* iSCSI WQ element */ |
7a9b6b8f YM |
1336 | struct iscsi_wqe { |
1337 | __le16 task_id; | |
1338 | u8 flags; | |
a2e7699e TT |
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 | |
7a9b6b8f | 1345 | struct iscsi_dif_flags prot_flags; |
be086e7c | 1346 | __le32 contlen_cdbsize; |
a2e7699e TT |
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 | |
7a9b6b8f YM |
1351 | }; |
1352 | ||
a2e7699e | 1353 | /* iSCSI wqe type */ |
7a9b6b8f YM |
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 | ||
a2e7699e | 1365 | /* iSCSI xHQ element */ |
7a9b6b8f YM |
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; | |
a2e7699e TT |
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 | |
be086e7c | 1381 | union iscsi_seq_num seq_num; |
7a9b6b8f YM |
1382 | __le16 reserved1; |
1383 | }; | |
1384 | ||
a2e7699e | 1385 | /* Per PF iSCSI receive path statistics - mStorm RAM structure */ |
7a9b6b8f YM |
1386 | struct mstorm_iscsi_stats_drv { |
1387 | struct regpair iscsi_rx_dropped_pdus_task_not_valid; | |
da090917 | 1388 | struct regpair iscsi_rx_dup_ack_cnt; |
7a9b6b8f YM |
1389 | }; |
1390 | ||
a2e7699e | 1391 | /* Per PF iSCSI transmit path statistics - pStorm RAM structure */ |
7a9b6b8f YM |
1392 | struct pstorm_iscsi_stats_drv { |
1393 | struct regpair iscsi_tx_bytes_cnt; | |
1394 | struct regpair iscsi_tx_packet_cnt; | |
1395 | }; | |
1396 | ||
a2e7699e | 1397 | /* Per PF iSCSI receive path statistics - tStorm RAM structure */ |
7a9b6b8f YM |
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; | |
da090917 TT |
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; | |
7a9b6b8f YM |
1405 | __le32 iscsi_cmdq_threshold_cnt; |
1406 | __le32 iscsi_rq_threshold_cnt; | |
1407 | __le32 iscsi_immq_threshold_cnt; | |
1408 | }; | |
1409 | ||
a2e7699e | 1410 | /* Per PF iSCSI receive path statistics - uStorm RAM structure */ |
7a9b6b8f YM |
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 | ||
a2e7699e | 1417 | /* Per PF iSCSI transmit path statistics - xStorm RAM structure */ |
7a9b6b8f YM |
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; | |
da090917 TT |
1421 | struct regpair iscsi_tx_pure_ack_cnt; |
1422 | struct regpair iscsi_tx_delayed_ack_cnt; | |
7a9b6b8f YM |
1423 | }; |
1424 | ||
a2e7699e | 1425 | /* Per PF iSCSI transmit path statistics - yStorm RAM structure */ |
7a9b6b8f YM |
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; | |
da090917 TT |
1430 | struct regpair iscsi_tx_tcp_payload_bytes_cnt; |
1431 | struct regpair iscsi_tx_tcp_pkt_cnt; | |
7a9b6b8f YM |
1432 | }; |
1433 | ||
fb09a1ed | 1434 | struct tstorm_iscsi_task_ag_ctx { |
7a9b6b8f YM |
1435 | u8 byte0; |
1436 | u8 byte1; | |
1437 | __le16 word0; | |
1438 | u8 flags0; | |
fb09a1ed SM |
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 | |
7a9b6b8f | 1449 | u8 flags1; |
fb09a1ed SM |
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 | |
7a9b6b8f | 1460 | u8 flags2; |
fb09a1ed SM |
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 | |
7a9b6b8f | 1469 | u8 flags3; |
fb09a1ed SM |
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 | |
7a9b6b8f | 1484 | u8 flags4; |
fb09a1ed SM |
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 | |
7a9b6b8f YM |
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 | }; | |
a2e7699e TT |
1512 | |
1513 | /* iSCSI doorbell data */ | |
7b6859fb MY |
1514 | struct iscsi_db_data { |
1515 | u8 params; | |
a2e7699e TT |
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 | |
7b6859fb MY |
1526 | u8 agg_flags; |
1527 | __le16 sq_prod; | |
1528 | }; | |
7a9b6b8f YM |
1529 | |
1530 | #endif /* __ISCSI_COMMON__ */ |