xref: /linux/include/linux/qed/fcoe_common.h (revision fb09a1ed)
1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2 /* QLogic qed NIC Driver
3  * Copyright (c) 2015 QLogic Corporation
4  * Copyright (c) 2019-2020 Marvell International Ltd.
5  */
6 
7 #ifndef __FCOE_COMMON__
8 #define __FCOE_COMMON__
9 
10 /*********************/
11 /* FCOE FW CONSTANTS */
12 /*********************/
13 
14 #define FC_ABTS_REPLY_MAX_PAYLOAD_LEN	12
15 
16 /* The fcoe storm task context protection-information of Ystorm */
17 struct protection_info_ctx {
18 	__le16 flags;
19 #define PROTECTION_INFO_CTX_HOST_INTERFACE_MASK		0x3
20 #define PROTECTION_INFO_CTX_HOST_INTERFACE_SHIFT	0
21 #define PROTECTION_INFO_CTX_DIF_TO_PEER_MASK		0x1
22 #define PROTECTION_INFO_CTX_DIF_TO_PEER_SHIFT		2
23 #define PROTECTION_INFO_CTX_VALIDATE_DIX_APP_TAG_MASK	0x1
24 #define PROTECTION_INFO_CTX_VALIDATE_DIX_APP_TAG_SHIFT	3
25 #define PROTECTION_INFO_CTX_INTERVAL_SIZE_LOG_MASK	0xF
26 #define PROTECTION_INFO_CTX_INTERVAL_SIZE_LOG_SHIFT	4
27 #define PROTECTION_INFO_CTX_VALIDATE_DIX_REF_TAG_MASK	0x1
28 #define PROTECTION_INFO_CTX_VALIDATE_DIX_REF_TAG_SHIFT	8
29 #define PROTECTION_INFO_CTX_RESERVED0_MASK		0x7F
30 #define PROTECTION_INFO_CTX_RESERVED0_SHIFT		9
31 	u8 dix_block_size;
32 	u8 dst_size;
33 };
34 
35 /* The fcoe storm task context protection-information of Ystorm */
36 union protection_info_union_ctx {
37 	struct protection_info_ctx info;
38 	__le32 value;
39 };
40 
41 /* FCP CMD payload */
42 struct fcoe_fcp_cmd_payload {
43 	__le32 opaque[8];
44 };
45 
46 /* FCP RSP payload */
47 struct fcoe_fcp_rsp_payload {
48 	__le32 opaque[6];
49 };
50 
51 /* FCP RSP payload */
52 struct fcp_rsp_payload_padded {
53 	struct fcoe_fcp_rsp_payload rsp_payload;
54 	__le32 reserved[2];
55 };
56 
57 /* FCP RSP payload */
58 struct fcoe_fcp_xfer_payload {
59 	__le32 opaque[3];
60 };
61 
62 /* FCP RSP payload */
63 struct fcp_xfer_payload_padded {
64 	struct fcoe_fcp_xfer_payload xfer_payload;
65 	__le32 reserved[5];
66 };
67 
68 /* Task params */
69 struct fcoe_tx_data_params {
70 	__le32 data_offset;
71 	__le32 offset_in_io;
72 	u8 flags;
73 #define FCOE_TX_DATA_PARAMS_OFFSET_IN_IO_VALID_MASK	0x1
74 #define FCOE_TX_DATA_PARAMS_OFFSET_IN_IO_VALID_SHIFT	0
75 #define FCOE_TX_DATA_PARAMS_DROP_DATA_MASK		0x1
76 #define FCOE_TX_DATA_PARAMS_DROP_DATA_SHIFT		1
77 #define FCOE_TX_DATA_PARAMS_AFTER_SEQ_REC_MASK		0x1
78 #define FCOE_TX_DATA_PARAMS_AFTER_SEQ_REC_SHIFT		2
79 #define FCOE_TX_DATA_PARAMS_RESERVED0_MASK		0x1F
80 #define FCOE_TX_DATA_PARAMS_RESERVED0_SHIFT		3
81 	u8 dif_residual;
82 	__le16 seq_cnt;
83 	__le16 single_sge_saved_offset;
84 	__le16 next_dif_offset;
85 	__le16 seq_id;
86 	__le16 reserved3;
87 };
88 
89 /* Middle path parameters: FC header fields provided by the driver */
90 struct fcoe_tx_mid_path_params {
91 	__le32 parameter;
92 	u8 r_ctl;
93 	u8 type;
94 	u8 cs_ctl;
95 	u8 df_ctl;
96 	__le16 rx_id;
97 	__le16 ox_id;
98 };
99 
100 /* Task params */
101 struct fcoe_tx_params {
102 	struct fcoe_tx_data_params data;
103 	struct fcoe_tx_mid_path_params mid_path;
104 };
105 
106 /* Union of FCP CMD payload \ TX params \ ABTS \ Cleanup */
107 union fcoe_tx_info_union_ctx {
108 	struct fcoe_fcp_cmd_payload fcp_cmd_payload;
109 	struct fcp_rsp_payload_padded fcp_rsp_payload;
110 	struct fcp_xfer_payload_padded fcp_xfer_payload;
111 	struct fcoe_tx_params tx_params;
112 };
113 
114 /* Data sgl */
115 struct fcoe_slow_sgl_ctx {
116 	struct regpair base_sgl_addr;
117 	__le16 curr_sge_off;
118 	__le16 remainder_num_sges;
119 	__le16 curr_sgl_index;
120 	__le16 reserved;
121 };
122 
123 /* Union of DIX SGL \ cached DIX sges */
124 union fcoe_dix_desc_ctx {
125 	struct fcoe_slow_sgl_ctx dix_sgl;
126 	struct scsi_sge cached_dix_sge;
127 };
128 
129 /* The fcoe storm task context of Ystorm */
130 struct ystorm_fcoe_task_st_ctx {
131 	u8 task_type;
132 	u8 sgl_mode;
133 #define YSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE_MASK	0x1
134 #define YSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE_SHIFT	0
135 #define YSTORM_FCOE_TASK_ST_CTX_RSRV_MASK		0x7F
136 #define YSTORM_FCOE_TASK_ST_CTX_RSRV_SHIFT		1
137 	u8 cached_dix_sge;
138 	u8 expect_first_xfer;
139 	__le32 num_pbf_zero_write;
140 	union protection_info_union_ctx protection_info_union;
141 	__le32 data_2_trns_rem;
142 	struct scsi_sgl_params sgl_params;
143 	u8 reserved1[12];
144 	union fcoe_tx_info_union_ctx tx_info_union;
145 	union fcoe_dix_desc_ctx dix_desc;
146 	struct scsi_cached_sges data_desc;
147 	__le16 ox_id;
148 	__le16 rx_id;
149 	__le32 task_rety_identifier;
150 	u8 reserved2[8];
151 };
152 
153 struct ystorm_fcoe_task_ag_ctx {
154 	u8 byte0;
155 	u8 byte1;
156 	__le16 word0;
157 	u8 flags0;
158 #define YSTORM_FCOE_TASK_AG_CTX_NIBBLE0_MASK		0xF
159 #define YSTORM_FCOE_TASK_AG_CTX_NIBBLE0_SHIFT	0
160 #define YSTORM_FCOE_TASK_AG_CTX_BIT0_MASK		0x1
161 #define YSTORM_FCOE_TASK_AG_CTX_BIT0_SHIFT		4
162 #define YSTORM_FCOE_TASK_AG_CTX_BIT1_MASK		0x1
163 #define YSTORM_FCOE_TASK_AG_CTX_BIT1_SHIFT		5
164 #define YSTORM_FCOE_TASK_AG_CTX_BIT2_MASK		0x1
165 #define YSTORM_FCOE_TASK_AG_CTX_BIT2_SHIFT		6
166 #define YSTORM_FCOE_TASK_AG_CTX_BIT3_MASK		0x1
167 #define YSTORM_FCOE_TASK_AG_CTX_BIT3_SHIFT		7
168 	u8 flags1;
169 #define YSTORM_FCOE_TASK_AG_CTX_CF0_MASK		0x3
170 #define YSTORM_FCOE_TASK_AG_CTX_CF0_SHIFT		0
171 #define YSTORM_FCOE_TASK_AG_CTX_CF1_MASK		0x3
172 #define YSTORM_FCOE_TASK_AG_CTX_CF1_SHIFT		2
173 #define YSTORM_FCOE_TASK_AG_CTX_CF2SPECIAL_MASK	0x3
174 #define YSTORM_FCOE_TASK_AG_CTX_CF2SPECIAL_SHIFT	4
175 #define YSTORM_FCOE_TASK_AG_CTX_CF0EN_MASK		0x1
176 #define YSTORM_FCOE_TASK_AG_CTX_CF0EN_SHIFT		6
177 #define YSTORM_FCOE_TASK_AG_CTX_CF1EN_MASK		0x1
178 #define YSTORM_FCOE_TASK_AG_CTX_CF1EN_SHIFT		7
179 	u8 flags2;
180 #define YSTORM_FCOE_TASK_AG_CTX_BIT4_MASK		0x1
181 #define YSTORM_FCOE_TASK_AG_CTX_BIT4_SHIFT		0
182 #define YSTORM_FCOE_TASK_AG_CTX_RULE0EN_MASK		0x1
183 #define YSTORM_FCOE_TASK_AG_CTX_RULE0EN_SHIFT	1
184 #define YSTORM_FCOE_TASK_AG_CTX_RULE1EN_MASK		0x1
185 #define YSTORM_FCOE_TASK_AG_CTX_RULE1EN_SHIFT	2
186 #define YSTORM_FCOE_TASK_AG_CTX_RULE2EN_MASK		0x1
187 #define YSTORM_FCOE_TASK_AG_CTX_RULE2EN_SHIFT	3
188 #define YSTORM_FCOE_TASK_AG_CTX_RULE3EN_MASK		0x1
189 #define YSTORM_FCOE_TASK_AG_CTX_RULE3EN_SHIFT	4
190 #define YSTORM_FCOE_TASK_AG_CTX_RULE4EN_MASK		0x1
191 #define YSTORM_FCOE_TASK_AG_CTX_RULE4EN_SHIFT	5
192 #define YSTORM_FCOE_TASK_AG_CTX_RULE5EN_MASK		0x1
193 #define YSTORM_FCOE_TASK_AG_CTX_RULE5EN_SHIFT	6
194 #define YSTORM_FCOE_TASK_AG_CTX_RULE6EN_MASK		0x1
195 #define YSTORM_FCOE_TASK_AG_CTX_RULE6EN_SHIFT	7
196 	u8 byte2;
197 	__le32 reg0;
198 	u8 byte3;
199 	u8 byte4;
200 	__le16 rx_id;
201 	__le16 word2;
202 	__le16 word3;
203 	__le16 word4;
204 	__le16 word5;
205 	__le32 reg1;
206 	__le32 reg2;
207 };
208 
209 struct tstorm_fcoe_task_ag_ctx {
210 	u8 reserved;
211 	u8 byte1;
212 	__le16 icid;
213 	u8 flags0;
214 #define TSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE_MASK		0xF
215 #define TSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE_SHIFT	0
216 #define TSTORM_FCOE_TASK_AG_CTX_EXIST_IN_QM0_MASK		0x1
217 #define TSTORM_FCOE_TASK_AG_CTX_EXIST_IN_QM0_SHIFT		4
218 #define TSTORM_FCOE_TASK_AG_CTX_BIT1_MASK			0x1
219 #define TSTORM_FCOE_TASK_AG_CTX_BIT1_SHIFT			5
220 #define TSTORM_FCOE_TASK_AG_CTX_WAIT_ABTS_RSP_F_MASK		0x1
221 #define TSTORM_FCOE_TASK_AG_CTX_WAIT_ABTS_RSP_F_SHIFT	6
222 #define TSTORM_FCOE_TASK_AG_CTX_VALID_MASK			0x1
223 #define TSTORM_FCOE_TASK_AG_CTX_VALID_SHIFT			7
224 	u8 flags1;
225 #define TSTORM_FCOE_TASK_AG_CTX_FALSE_RR_TOV_MASK	0x1
226 #define TSTORM_FCOE_TASK_AG_CTX_FALSE_RR_TOV_SHIFT	0
227 #define TSTORM_FCOE_TASK_AG_CTX_BIT5_MASK		0x1
228 #define TSTORM_FCOE_TASK_AG_CTX_BIT5_SHIFT		1
229 #define TSTORM_FCOE_TASK_AG_CTX_REC_RR_TOV_CF_MASK	0x3
230 #define TSTORM_FCOE_TASK_AG_CTX_REC_RR_TOV_CF_SHIFT	2
231 #define TSTORM_FCOE_TASK_AG_CTX_ED_TOV_CF_MASK	0x3
232 #define TSTORM_FCOE_TASK_AG_CTX_ED_TOV_CF_SHIFT	4
233 #define TSTORM_FCOE_TASK_AG_CTX_CF2_MASK		0x3
234 #define TSTORM_FCOE_TASK_AG_CTX_CF2_SHIFT		6
235 	u8 flags2;
236 #define TSTORM_FCOE_TASK_AG_CTX_TIMER_STOP_ALL_MASK		0x3
237 #define TSTORM_FCOE_TASK_AG_CTX_TIMER_STOP_ALL_SHIFT		0
238 #define TSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_MASK		0x3
239 #define TSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_SHIFT		2
240 #define TSTORM_FCOE_TASK_AG_CTX_SEQ_INIT_CF_MASK		0x3
241 #define TSTORM_FCOE_TASK_AG_CTX_SEQ_INIT_CF_SHIFT		4
242 #define TSTORM_FCOE_TASK_AG_CTX_SEQ_RECOVERY_CF_MASK		0x3
243 #define TSTORM_FCOE_TASK_AG_CTX_SEQ_RECOVERY_CF_SHIFT	6
244 	u8 flags3;
245 #define TSTORM_FCOE_TASK_AG_CTX_UNSOL_COMP_CF_MASK		0x3
246 #define TSTORM_FCOE_TASK_AG_CTX_UNSOL_COMP_CF_SHIFT		0
247 #define TSTORM_FCOE_TASK_AG_CTX_REC_RR_TOV_CF_EN_MASK	0x1
248 #define TSTORM_FCOE_TASK_AG_CTX_REC_RR_TOV_CF_EN_SHIFT	2
249 #define TSTORM_FCOE_TASK_AG_CTX_ED_TOV_CF_EN_MASK		0x1
250 #define TSTORM_FCOE_TASK_AG_CTX_ED_TOV_CF_EN_SHIFT		3
251 #define TSTORM_FCOE_TASK_AG_CTX_CF2EN_MASK			0x1
252 #define TSTORM_FCOE_TASK_AG_CTX_CF2EN_SHIFT			4
253 #define TSTORM_FCOE_TASK_AG_CTX_TIMER_STOP_ALL_EN_MASK	0x1
254 #define TSTORM_FCOE_TASK_AG_CTX_TIMER_STOP_ALL_EN_SHIFT	5
255 #define TSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_EN_MASK	0x1
256 #define TSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_EN_SHIFT	6
257 #define TSTORM_FCOE_TASK_AG_CTX_SEQ_INIT_CF_EN_MASK		0x1
258 #define TSTORM_FCOE_TASK_AG_CTX_SEQ_INIT_CF_EN_SHIFT		7
259 	u8 flags4;
260 #define TSTORM_FCOE_TASK_AG_CTX_SEQ_RECOVERY_CF_EN_MASK	0x1
261 #define TSTORM_FCOE_TASK_AG_CTX_SEQ_RECOVERY_CF_EN_SHIFT	0
262 #define TSTORM_FCOE_TASK_AG_CTX_UNSOL_COMP_CF_EN_MASK	0x1
263 #define TSTORM_FCOE_TASK_AG_CTX_UNSOL_COMP_CF_EN_SHIFT	1
264 #define TSTORM_FCOE_TASK_AG_CTX_RULE0EN_MASK			0x1
265 #define TSTORM_FCOE_TASK_AG_CTX_RULE0EN_SHIFT		2
266 #define TSTORM_FCOE_TASK_AG_CTX_RULE1EN_MASK			0x1
267 #define TSTORM_FCOE_TASK_AG_CTX_RULE1EN_SHIFT		3
268 #define TSTORM_FCOE_TASK_AG_CTX_RULE2EN_MASK			0x1
269 #define TSTORM_FCOE_TASK_AG_CTX_RULE2EN_SHIFT		4
270 #define TSTORM_FCOE_TASK_AG_CTX_RULE3EN_MASK			0x1
271 #define TSTORM_FCOE_TASK_AG_CTX_RULE3EN_SHIFT		5
272 #define TSTORM_FCOE_TASK_AG_CTX_RULE4EN_MASK			0x1
273 #define TSTORM_FCOE_TASK_AG_CTX_RULE4EN_SHIFT		6
274 #define TSTORM_FCOE_TASK_AG_CTX_RULE5EN_MASK			0x1
275 #define TSTORM_FCOE_TASK_AG_CTX_RULE5EN_SHIFT		7
276 	u8 cleanup_state;
277 	__le16 last_sent_tid;
278 	__le32 rec_rr_tov_exp_timeout;
279 	u8 byte3;
280 	u8 byte4;
281 	__le16 word2;
282 	__le16 word3;
283 	__le16 word4;
284 	__le32 data_offset_end_of_seq;
285 	__le32 data_offset_next;
286 };
287 
288 /* Cached data sges */
289 struct fcoe_exp_ro {
290 	__le32 data_offset;
291 	__le32 reserved;
292 };
293 
294 /* Union of Cleanup address \ expected relative offsets */
295 union fcoe_cleanup_addr_exp_ro_union {
296 	struct regpair abts_rsp_fc_payload_hi;
297 	struct fcoe_exp_ro exp_ro;
298 };
299 
300 /* Fields coppied from ABTSrsp pckt */
301 struct fcoe_abts_pkt {
302 	__le32 abts_rsp_fc_payload_lo;
303 	__le16 abts_rsp_rx_id;
304 	u8 abts_rsp_rctl;
305 	u8 reserved2;
306 };
307 
308 /* FW read- write (modifyable) part The fcoe task storm context of Tstorm */
309 struct fcoe_tstorm_fcoe_task_st_ctx_read_write {
310 	union fcoe_cleanup_addr_exp_ro_union cleanup_addr_exp_ro_union;
311 	__le16 flags;
312 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_RX_SGL_MODE_MASK	0x1
313 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_RX_SGL_MODE_SHIFT	0
314 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_EXP_FIRST_FRAME_MASK	0x1
315 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_EXP_FIRST_FRAME_SHIFT	1
316 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_SEQ_ACTIVE_MASK		0x1
317 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_SEQ_ACTIVE_SHIFT	2
318 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_SEQ_TIMEOUT_MASK	0x1
319 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_SEQ_TIMEOUT_SHIFT	3
320 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_SINGLE_PKT_IN_EX_MASK	0x1
321 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_SINGLE_PKT_IN_EX_SHIFT	4
322 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_OOO_RX_SEQ_STAT_MASK	0x1
323 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_OOO_RX_SEQ_STAT_SHIFT	5
324 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_CQ_ADD_ADV_MASK		0x3
325 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_CQ_ADD_ADV_SHIFT	6
326 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_RSRV1_MASK		0xFF
327 #define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_RSRV1_SHIFT		8
328 	__le16 seq_cnt;
329 	u8 seq_id;
330 	u8 ooo_rx_seq_id;
331 	__le16 rx_id;
332 	struct fcoe_abts_pkt abts_data;
333 	__le32 e_d_tov_exp_timeout_val;
334 	__le16 ooo_rx_seq_cnt;
335 	__le16 reserved1;
336 };
337 
338 /* FW read only part The fcoe task storm context of Tstorm */
339 struct fcoe_tstorm_fcoe_task_st_ctx_read_only {
340 	u8 task_type;
341 	u8 dev_type;
342 	u8 conf_supported;
343 	u8 glbl_q_num;
344 	__le32 cid;
345 	__le32 fcp_cmd_trns_size;
346 	__le32 rsrv;
347 };
348 
349 /** The fcoe task storm context of Tstorm */
350 struct tstorm_fcoe_task_st_ctx {
351 	struct fcoe_tstorm_fcoe_task_st_ctx_read_write read_write;
352 	struct fcoe_tstorm_fcoe_task_st_ctx_read_only read_only;
353 };
354 
355 struct mstorm_fcoe_task_ag_ctx {
356 	u8 byte0;
357 	u8 byte1;
358 	__le16 icid;
359 	u8 flags0;
360 #define MSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE_MASK		0xF
361 #define MSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE_SHIFT	0
362 #define MSTORM_FCOE_TASK_AG_CTX_EXIST_IN_QM0_MASK		0x1
363 #define MSTORM_FCOE_TASK_AG_CTX_EXIST_IN_QM0_SHIFT		4
364 #define MSTORM_FCOE_TASK_AG_CTX_CQE_PLACED_MASK		0x1
365 #define MSTORM_FCOE_TASK_AG_CTX_CQE_PLACED_SHIFT		5
366 #define MSTORM_FCOE_TASK_AG_CTX_BIT2_MASK			0x1
367 #define MSTORM_FCOE_TASK_AG_CTX_BIT2_SHIFT			6
368 #define MSTORM_FCOE_TASK_AG_CTX_BIT3_MASK			0x1
369 #define MSTORM_FCOE_TASK_AG_CTX_BIT3_SHIFT			7
370 	u8 flags1;
371 #define MSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_MASK		0x3
372 #define MSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_SHIFT		0
373 #define MSTORM_FCOE_TASK_AG_CTX_CF1_MASK			0x3
374 #define MSTORM_FCOE_TASK_AG_CTX_CF1_SHIFT			2
375 #define MSTORM_FCOE_TASK_AG_CTX_CF2_MASK			0x3
376 #define MSTORM_FCOE_TASK_AG_CTX_CF2_SHIFT			4
377 #define MSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_EN_MASK	0x1
378 #define MSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_EN_SHIFT	6
379 #define MSTORM_FCOE_TASK_AG_CTX_CF1EN_MASK			0x1
380 #define MSTORM_FCOE_TASK_AG_CTX_CF1EN_SHIFT			7
381 	u8 flags2;
382 #define MSTORM_FCOE_TASK_AG_CTX_CF2EN_MASK			0x1
383 #define MSTORM_FCOE_TASK_AG_CTX_CF2EN_SHIFT			0
384 #define MSTORM_FCOE_TASK_AG_CTX_RULE0EN_MASK			0x1
385 #define MSTORM_FCOE_TASK_AG_CTX_RULE0EN_SHIFT		1
386 #define MSTORM_FCOE_TASK_AG_CTX_RULE1EN_MASK			0x1
387 #define MSTORM_FCOE_TASK_AG_CTX_RULE1EN_SHIFT		2
388 #define MSTORM_FCOE_TASK_AG_CTX_RULE2EN_MASK			0x1
389 #define MSTORM_FCOE_TASK_AG_CTX_RULE2EN_SHIFT		3
390 #define MSTORM_FCOE_TASK_AG_CTX_RULE3EN_MASK			0x1
391 #define MSTORM_FCOE_TASK_AG_CTX_RULE3EN_SHIFT		4
392 #define MSTORM_FCOE_TASK_AG_CTX_RULE4EN_MASK			0x1
393 #define MSTORM_FCOE_TASK_AG_CTX_RULE4EN_SHIFT		5
394 #define MSTORM_FCOE_TASK_AG_CTX_XFER_PLACEMENT_EN_MASK	0x1
395 #define MSTORM_FCOE_TASK_AG_CTX_XFER_PLACEMENT_EN_SHIFT	6
396 #define MSTORM_FCOE_TASK_AG_CTX_RULE6EN_MASK			0x1
397 #define MSTORM_FCOE_TASK_AG_CTX_RULE6EN_SHIFT		7
398 	u8 cleanup_state;
399 	__le32 received_bytes;
400 	u8 byte3;
401 	u8 glbl_q_num;
402 	__le16 word1;
403 	__le16 tid_to_xfer;
404 	__le16 word3;
405 	__le16 word4;
406 	__le16 word5;
407 	__le32 expected_bytes;
408 	__le32 reg2;
409 };
410 
411 /* The fcoe task storm context of Mstorm */
412 struct mstorm_fcoe_task_st_ctx {
413 	struct regpair rsp_buf_addr;
414 	__le32 rsrv[2];
415 	struct scsi_sgl_params sgl_params;
416 	__le32 data_2_trns_rem;
417 	__le32 data_buffer_offset;
418 	__le16 parent_id;
419 	__le16 flags;
420 #define MSTORM_FCOE_TASK_ST_CTX_INTERVAL_SIZE_LOG_MASK		0xF
421 #define MSTORM_FCOE_TASK_ST_CTX_INTERVAL_SIZE_LOG_SHIFT		0
422 #define MSTORM_FCOE_TASK_ST_CTX_HOST_INTERFACE_MASK		0x3
423 #define MSTORM_FCOE_TASK_ST_CTX_HOST_INTERFACE_SHIFT		4
424 #define MSTORM_FCOE_TASK_ST_CTX_DIF_TO_PEER_MASK		0x1
425 #define MSTORM_FCOE_TASK_ST_CTX_DIF_TO_PEER_SHIFT		6
426 #define MSTORM_FCOE_TASK_ST_CTX_MP_INCLUDE_FC_HEADER_MASK	0x1
427 #define MSTORM_FCOE_TASK_ST_CTX_MP_INCLUDE_FC_HEADER_SHIFT	7
428 #define MSTORM_FCOE_TASK_ST_CTX_DIX_BLOCK_SIZE_MASK		0x3
429 #define MSTORM_FCOE_TASK_ST_CTX_DIX_BLOCK_SIZE_SHIFT		8
430 #define MSTORM_FCOE_TASK_ST_CTX_VALIDATE_DIX_REF_TAG_MASK	0x1
431 #define MSTORM_FCOE_TASK_ST_CTX_VALIDATE_DIX_REF_TAG_SHIFT	10
432 #define MSTORM_FCOE_TASK_ST_CTX_DIX_CACHED_SGE_FLG_MASK		0x1
433 #define MSTORM_FCOE_TASK_ST_CTX_DIX_CACHED_SGE_FLG_SHIFT	11
434 #define MSTORM_FCOE_TASK_ST_CTX_DIF_SUPPORTED_MASK		0x1
435 #define MSTORM_FCOE_TASK_ST_CTX_DIF_SUPPORTED_SHIFT		12
436 #define MSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE_MASK		0x1
437 #define MSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE_SHIFT		13
438 #define MSTORM_FCOE_TASK_ST_CTX_RESERVED_MASK			0x3
439 #define MSTORM_FCOE_TASK_ST_CTX_RESERVED_SHIFT			14
440 	struct scsi_cached_sges data_desc;
441 };
442 
443 struct ustorm_fcoe_task_ag_ctx {
444 	u8 reserved;
445 	u8 byte1;
446 	__le16 icid;
447 	u8 flags0;
448 #define USTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE_MASK		0xF
449 #define USTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE_SHIFT	0
450 #define USTORM_FCOE_TASK_AG_CTX_EXIST_IN_QM0_MASK		0x1
451 #define USTORM_FCOE_TASK_AG_CTX_EXIST_IN_QM0_SHIFT		4
452 #define USTORM_FCOE_TASK_AG_CTX_BIT1_MASK			0x1
453 #define USTORM_FCOE_TASK_AG_CTX_BIT1_SHIFT			5
454 #define USTORM_FCOE_TASK_AG_CTX_CF0_MASK			0x3
455 #define USTORM_FCOE_TASK_AG_CTX_CF0_SHIFT			6
456 	u8 flags1;
457 #define USTORM_FCOE_TASK_AG_CTX_CF1_MASK		0x3
458 #define USTORM_FCOE_TASK_AG_CTX_CF1_SHIFT		0
459 #define USTORM_FCOE_TASK_AG_CTX_CF2_MASK		0x3
460 #define USTORM_FCOE_TASK_AG_CTX_CF2_SHIFT		2
461 #define USTORM_FCOE_TASK_AG_CTX_CF3_MASK		0x3
462 #define USTORM_FCOE_TASK_AG_CTX_CF3_SHIFT		4
463 #define USTORM_FCOE_TASK_AG_CTX_DIF_ERROR_CF_MASK	0x3
464 #define USTORM_FCOE_TASK_AG_CTX_DIF_ERROR_CF_SHIFT	6
465 	u8 flags2;
466 #define USTORM_FCOE_TASK_AG_CTX_CF0EN_MASK			0x1
467 #define USTORM_FCOE_TASK_AG_CTX_CF0EN_SHIFT			0
468 #define USTORM_FCOE_TASK_AG_CTX_CF1EN_MASK			0x1
469 #define USTORM_FCOE_TASK_AG_CTX_CF1EN_SHIFT			1
470 #define USTORM_FCOE_TASK_AG_CTX_CF2EN_MASK			0x1
471 #define USTORM_FCOE_TASK_AG_CTX_CF2EN_SHIFT			2
472 #define USTORM_FCOE_TASK_AG_CTX_CF3EN_MASK			0x1
473 #define USTORM_FCOE_TASK_AG_CTX_CF3EN_SHIFT			3
474 #define USTORM_FCOE_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK		0x1
475 #define USTORM_FCOE_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT	4
476 #define USTORM_FCOE_TASK_AG_CTX_RULE0EN_MASK			0x1
477 #define USTORM_FCOE_TASK_AG_CTX_RULE0EN_SHIFT		5
478 #define USTORM_FCOE_TASK_AG_CTX_RULE1EN_MASK			0x1
479 #define USTORM_FCOE_TASK_AG_CTX_RULE1EN_SHIFT		6
480 #define USTORM_FCOE_TASK_AG_CTX_RULE2EN_MASK			0x1
481 #define USTORM_FCOE_TASK_AG_CTX_RULE2EN_SHIFT		7
482 	u8 flags3;
483 #define USTORM_FCOE_TASK_AG_CTX_RULE3EN_MASK		0x1
484 #define USTORM_FCOE_TASK_AG_CTX_RULE3EN_SHIFT	0
485 #define USTORM_FCOE_TASK_AG_CTX_RULE4EN_MASK		0x1
486 #define USTORM_FCOE_TASK_AG_CTX_RULE4EN_SHIFT	1
487 #define USTORM_FCOE_TASK_AG_CTX_RULE5EN_MASK		0x1
488 #define USTORM_FCOE_TASK_AG_CTX_RULE5EN_SHIFT	2
489 #define USTORM_FCOE_TASK_AG_CTX_RULE6EN_MASK		0x1
490 #define USTORM_FCOE_TASK_AG_CTX_RULE6EN_SHIFT	3
491 #define USTORM_FCOE_TASK_AG_CTX_DIF_ERROR_TYPE_MASK	0xF
492 #define USTORM_FCOE_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT	4
493 	__le32 dif_err_intervals;
494 	__le32 dif_error_1st_interval;
495 	__le32 global_cq_num;
496 	__le32 reg3;
497 	__le32 reg4;
498 	__le32 reg5;
499 };
500 
501 /* FCoE task context */
502 struct fcoe_task_context {
503 	struct ystorm_fcoe_task_st_ctx ystorm_st_context;
504 	struct regpair ystorm_st_padding[2];
505 	struct tdif_task_context tdif_context;
506 	struct ystorm_fcoe_task_ag_ctx ystorm_ag_context;
507 	struct tstorm_fcoe_task_ag_ctx tstorm_ag_context;
508 	struct timers_context timer_context;
509 	struct tstorm_fcoe_task_st_ctx tstorm_st_context;
510 	struct regpair tstorm_st_padding[2];
511 	struct mstorm_fcoe_task_ag_ctx mstorm_ag_context;
512 	struct mstorm_fcoe_task_st_ctx mstorm_st_context;
513 	struct ustorm_fcoe_task_ag_ctx ustorm_ag_context;
514 	struct rdif_task_context rdif_context;
515 };
516 
517 /* FCoE additional WQE (Sq/XferQ) information */
518 union fcoe_additional_info_union {
519 	__le32 previous_tid;
520 	__le32 parent_tid;
521 	__le32 burst_length;
522 	__le32 seq_rec_updated_offset;
523 };
524 
525 /* FCoE Ramrod Command IDs */
526 enum fcoe_completion_status {
527 	FCOE_COMPLETION_STATUS_SUCCESS,
528 	FCOE_COMPLETION_STATUS_FCOE_VER_ERR,
529 	FCOE_COMPLETION_STATUS_SRC_MAC_ADD_ARR_ERR,
530 	MAX_FCOE_COMPLETION_STATUS
531 };
532 
533 /* FC address (SID/DID) network presentation */
534 struct fc_addr_nw {
535 	u8 addr_lo;
536 	u8 addr_mid;
537 	u8 addr_hi;
538 };
539 
540 /* FCoE connection offload */
541 struct fcoe_conn_offload_ramrod_data {
542 	struct regpair sq_pbl_addr;
543 	struct regpair sq_curr_page_addr;
544 	struct regpair sq_next_page_addr;
545 	struct regpair xferq_pbl_addr;
546 	struct regpair xferq_curr_page_addr;
547 	struct regpair xferq_next_page_addr;
548 	struct regpair respq_pbl_addr;
549 	struct regpair respq_curr_page_addr;
550 	struct regpair respq_next_page_addr;
551 	__le16 dst_mac_addr_lo;
552 	__le16 dst_mac_addr_mid;
553 	__le16 dst_mac_addr_hi;
554 	__le16 src_mac_addr_lo;
555 	__le16 src_mac_addr_mid;
556 	__le16 src_mac_addr_hi;
557 	__le16 tx_max_fc_pay_len;
558 	__le16 e_d_tov_timer_val;
559 	__le16 rx_max_fc_pay_len;
560 	__le16 vlan_tag;
561 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_VLAN_ID_MASK	0xFFF
562 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_VLAN_ID_SHIFT	0
563 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_CFI_MASK		0x1
564 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_CFI_SHIFT		12
565 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_PRIORITY_MASK	0x7
566 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_PRIORITY_SHIFT	13
567 	__le16 physical_q0;
568 	__le16 rec_rr_tov_timer_val;
569 	struct fc_addr_nw s_id;
570 	u8 max_conc_seqs_c3;
571 	struct fc_addr_nw d_id;
572 	u8 flags;
573 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_CONT_INCR_SEQ_CNT_MASK	0x1
574 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_CONT_INCR_SEQ_CNT_SHIFT	0
575 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_CONF_REQ_MASK		0x1
576 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_CONF_REQ_SHIFT		1
577 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_REC_VALID_MASK		0x1
578 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_REC_VALID_SHIFT		2
579 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_VLAN_FLAG_MASK		0x1
580 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_VLAN_FLAG_SHIFT		3
581 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_SINGLE_VLAN_MASK	0x1
582 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_SINGLE_VLAN_SHIFT	4
583 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_MODE_MASK			0x3
584 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_MODE_SHIFT		5
585 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_RESERVED0_MASK		0x1
586 #define FCOE_CONN_OFFLOAD_RAMROD_DATA_RESERVED0_SHIFT		7
587 	__le16 conn_id;
588 	u8 def_q_idx;
589 	u8 reserved[5];
590 };
591 
592 /* FCoE terminate connection request */
593 struct fcoe_conn_terminate_ramrod_data {
594 	struct regpair terminate_params_addr;
595 };
596 
597 /* FCoE device type */
598 enum fcoe_device_type {
599 	FCOE_TASK_DEV_TYPE_DISK,
600 	FCOE_TASK_DEV_TYPE_TAPE,
601 	MAX_FCOE_DEVICE_TYPE
602 };
603 
604 /* Data sgl */
605 struct fcoe_fast_sgl_ctx {
606 	struct regpair sgl_start_addr;
607 	__le32 sgl_byte_offset;
608 	__le16 task_reuse_cnt;
609 	__le16 init_offset_in_first_sge;
610 };
611 
612 /* FCoE firmware function init */
613 struct fcoe_init_func_ramrod_data {
614 	struct scsi_init_func_params func_params;
615 	struct scsi_init_func_queues q_params;
616 	__le16 mtu;
617 	__le16 sq_num_pages_in_pbl;
618 	__le32 reserved[3];
619 };
620 
621 /* FCoE: Mode of the connection: Target or Initiator or both */
622 enum fcoe_mode_type {
623 	FCOE_INITIATOR_MODE = 0x0,
624 	FCOE_TARGET_MODE = 0x1,
625 	FCOE_BOTH_OR_NOT_CHOSEN = 0x3,
626 	MAX_FCOE_MODE_TYPE
627 };
628 
629 /* Per PF FCoE receive path statistics - tStorm RAM structure */
630 struct fcoe_rx_stat {
631 	struct regpair fcoe_rx_byte_cnt;
632 	struct regpair fcoe_rx_data_pkt_cnt;
633 	struct regpair fcoe_rx_xfer_pkt_cnt;
634 	struct regpair fcoe_rx_other_pkt_cnt;
635 	__le32 fcoe_silent_drop_pkt_cmdq_full_cnt;
636 	__le32 fcoe_silent_drop_pkt_rq_full_cnt;
637 	__le32 fcoe_silent_drop_pkt_crc_error_cnt;
638 	__le32 fcoe_silent_drop_pkt_task_invalid_cnt;
639 	__le32 fcoe_silent_drop_total_pkt_cnt;
640 	__le32 rsrv;
641 };
642 
643 /* FCoE SQE request type */
644 enum fcoe_sqe_request_type {
645 	SEND_FCOE_CMD,
646 	SEND_FCOE_MIDPATH,
647 	SEND_FCOE_ABTS_REQUEST,
648 	FCOE_EXCHANGE_CLEANUP,
649 	FCOE_SEQUENCE_RECOVERY,
650 	SEND_FCOE_XFER_RDY,
651 	SEND_FCOE_RSP,
652 	SEND_FCOE_RSP_WITH_SENSE_DATA,
653 	SEND_FCOE_TARGET_DATA,
654 	SEND_FCOE_INITIATOR_DATA,
655 	SEND_FCOE_XFER_CONTINUATION_RDY,
656 	SEND_FCOE_TARGET_ABTS_RSP,
657 	MAX_FCOE_SQE_REQUEST_TYPE
658 };
659 
660 /* FCoe statistics request */
661 struct fcoe_stat_ramrod_data {
662 	struct regpair stat_params_addr;
663 };
664 
665 /* FCoE task type */
666 enum fcoe_task_type {
667 	FCOE_TASK_TYPE_WRITE_INITIATOR,
668 	FCOE_TASK_TYPE_READ_INITIATOR,
669 	FCOE_TASK_TYPE_MIDPATH,
670 	FCOE_TASK_TYPE_UNSOLICITED,
671 	FCOE_TASK_TYPE_ABTS,
672 	FCOE_TASK_TYPE_EXCHANGE_CLEANUP,
673 	FCOE_TASK_TYPE_SEQUENCE_CLEANUP,
674 	FCOE_TASK_TYPE_WRITE_TARGET,
675 	FCOE_TASK_TYPE_READ_TARGET,
676 	FCOE_TASK_TYPE_RSP,
677 	FCOE_TASK_TYPE_RSP_SENSE_DATA,
678 	FCOE_TASK_TYPE_ABTS_TARGET,
679 	FCOE_TASK_TYPE_ENUM_SIZE,
680 	MAX_FCOE_TASK_TYPE
681 };
682 
683 /* Per PF FCoE transmit path statistics - pStorm RAM structure */
684 struct fcoe_tx_stat {
685 	struct regpair fcoe_tx_byte_cnt;
686 	struct regpair fcoe_tx_data_pkt_cnt;
687 	struct regpair fcoe_tx_xfer_pkt_cnt;
688 	struct regpair fcoe_tx_other_pkt_cnt;
689 };
690 
691 /* FCoE SQ/XferQ element */
692 struct fcoe_wqe {
693 	__le16 task_id;
694 	__le16 flags;
695 #define FCOE_WQE_REQ_TYPE_MASK		0xF
696 #define FCOE_WQE_REQ_TYPE_SHIFT		0
697 #define FCOE_WQE_SGL_MODE_MASK		0x1
698 #define FCOE_WQE_SGL_MODE_SHIFT		4
699 #define FCOE_WQE_CONTINUATION_MASK	0x1
700 #define FCOE_WQE_CONTINUATION_SHIFT	5
701 #define FCOE_WQE_SEND_AUTO_RSP_MASK	0x1
702 #define FCOE_WQE_SEND_AUTO_RSP_SHIFT	6
703 #define FCOE_WQE_RESERVED_MASK		0x1
704 #define FCOE_WQE_RESERVED_SHIFT		7
705 #define FCOE_WQE_NUM_SGES_MASK		0xF
706 #define FCOE_WQE_NUM_SGES_SHIFT		8
707 #define FCOE_WQE_RESERVED1_MASK		0xF
708 #define FCOE_WQE_RESERVED1_SHIFT	12
709 	union fcoe_additional_info_union additional_info_union;
710 };
711 
712 /* FCoE XFRQ element */
713 struct xfrqe_prot_flags {
714 	u8 flags;
715 #define XFRQE_PROT_FLAGS_PROT_INTERVAL_SIZE_LOG_MASK	0xF
716 #define XFRQE_PROT_FLAGS_PROT_INTERVAL_SIZE_LOG_SHIFT	0
717 #define XFRQE_PROT_FLAGS_DIF_TO_PEER_MASK		0x1
718 #define XFRQE_PROT_FLAGS_DIF_TO_PEER_SHIFT		4
719 #define XFRQE_PROT_FLAGS_HOST_INTERFACE_MASK		0x3
720 #define XFRQE_PROT_FLAGS_HOST_INTERFACE_SHIFT		5
721 #define XFRQE_PROT_FLAGS_RESERVED_MASK			0x1
722 #define XFRQE_PROT_FLAGS_RESERVED_SHIFT			7
723 };
724 
725 /* FCoE doorbell data */
726 struct fcoe_db_data {
727 	u8 params;
728 #define FCOE_DB_DATA_DEST_MASK		0x3
729 #define FCOE_DB_DATA_DEST_SHIFT		0
730 #define FCOE_DB_DATA_AGG_CMD_MASK	0x3
731 #define FCOE_DB_DATA_AGG_CMD_SHIFT	2
732 #define FCOE_DB_DATA_BYPASS_EN_MASK	0x1
733 #define FCOE_DB_DATA_BYPASS_EN_SHIFT	4
734 #define FCOE_DB_DATA_RESERVED_MASK	0x1
735 #define FCOE_DB_DATA_RESERVED_SHIFT	5
736 #define FCOE_DB_DATA_AGG_VAL_SEL_MASK	0x3
737 #define FCOE_DB_DATA_AGG_VAL_SEL_SHIFT	6
738 	u8 agg_flags;
739 	__le16 sq_prod;
740 };
741 
742 #endif /* __FCOE_COMMON__ */
743