summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/bnx2fc/bnx2fc_constants.h
blob: e147cc7ee36c5d454de7967f0eabbee7abaf7187 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
/* bnx2fc_constants.h: QLogic NetXtreme II Linux FCoE offload driver.
 * Handles operations such as session offload/upload etc, and manages
 * session resources such as connection id and qp resources.
 *
 * Copyright (c) 2008 - 2013 Broadcom Corporation
 * Copyright (c) 2014, QLogic Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
 */

#ifndef __BNX2FC_CONSTANTS_H_
#define __BNX2FC_CONSTANTS_H_

/**
 * This file defines HSI constants for the FCoE flows
 */

/* Current FCoE HSI version number composed of two fields (16 bit) */
/* Implies on a change broken previous HSI */
#define FCOE_HSI_MAJOR_VERSION (2)
/* Implies on a change which does not broken previous HSI */
#define FCOE_HSI_MINOR_VERSION (1)

/* KWQ/KCQ FCoE layer code */
#define FCOE_KWQE_LAYER_CODE   (7)

/* KWQ (kernel work queue) request op codes */
#define FCOE_KWQE_OPCODE_INIT1			(0)
#define FCOE_KWQE_OPCODE_INIT2			(1)
#define FCOE_KWQE_OPCODE_INIT3			(2)
#define FCOE_KWQE_OPCODE_OFFLOAD_CONN1	(3)
#define FCOE_KWQE_OPCODE_OFFLOAD_CONN2	(4)
#define FCOE_KWQE_OPCODE_OFFLOAD_CONN3	(5)
#define FCOE_KWQE_OPCODE_OFFLOAD_CONN4	(6)
#define FCOE_KWQE_OPCODE_ENABLE_CONN	(7)
#define FCOE_KWQE_OPCODE_DISABLE_CONN	(8)
#define FCOE_KWQE_OPCODE_DESTROY_CONN	(9)
#define FCOE_KWQE_OPCODE_DESTROY		(10)
#define FCOE_KWQE_OPCODE_STAT			(11)

/* KCQ (kernel completion queue) response op codes */
#define FCOE_KCQE_OPCODE_INIT_FUNC				(0x10)
#define FCOE_KCQE_OPCODE_DESTROY_FUNC			(0x11)
#define FCOE_KCQE_OPCODE_STAT_FUNC				(0x12)
#define FCOE_KCQE_OPCODE_OFFLOAD_CONN			(0x15)
#define FCOE_KCQE_OPCODE_ENABLE_CONN			(0x16)
#define FCOE_KCQE_OPCODE_DISABLE_CONN			(0x17)
#define FCOE_KCQE_OPCODE_DESTROY_CONN			(0x18)
#define FCOE_KCQE_OPCODE_CQ_EVENT_NOTIFICATION  (0x20)
#define FCOE_KCQE_OPCODE_FCOE_ERROR				(0x21)

/* KCQ (kernel completion queue) completion status */
#define FCOE_KCQE_COMPLETION_STATUS_SUCCESS				(0x0)
#define FCOE_KCQE_COMPLETION_STATUS_ERROR				(0x1)
#define FCOE_KCQE_COMPLETION_STATUS_INVALID_OPCODE		(0x2)
#define FCOE_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE	(0x3)
#define FCOE_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE	(0x4)
#define FCOE_KCQE_COMPLETION_STATUS_NIC_ERROR			(0x5)
#define FCOE_KCQE_COMPLETION_STATUS_WRONG_HSI_VERSION   (0x6)
#define FCOE_KCQE_COMPLETION_STATUS_PARITY_ERROR	(0x81)

/* CQE type */
#define FCOE_PENDING_CQE_TYPE			0
#define FCOE_UNSOLIC_CQE_TYPE			1

/* Unsolicited CQE type */
#define FCOE_UNSOLICITED_FRAME_CQE_TYPE			0
#define FCOE_ERROR_DETECTION_CQE_TYPE			1
#define FCOE_WARNING_DETECTION_CQE_TYPE			2

/* E_D_TOV timer resolution in ms */
#define FCOE_E_D_TOV_TIMER_RESOLUTION_MS (20)

/* E_D_TOV timer resolution for SDM (4 micro) */
#define FCOE_E_D_TOV_SDM_TIMER_RESOLUTION				\
	(FCOE_E_D_TOV_TIMER_RESOLUTION_MS * 1000 / 4)

/* REC timer resolution in ms */
#define FCOE_REC_TIMER_RESOLUTION_MS (20)

/* REC timer resolution for SDM (4 micro) */
#define FCOE_REC_SDM_TIMER_RESOLUTION (FCOE_REC_TIMER_RESOLUTION_MS * 1000 / 4)

/* E_D_TOV timer default wraparound value (2 sec) in 20 ms resolution */
#define FCOE_E_D_TOV_DEFAULT_WRAPAROUND_VAL			\
			(2000 / FCOE_E_D_TOV_TIMER_RESOLUTION_MS)

/* REC_TOV timer default wraparound value (3 sec) in 20 ms resolution */
#define FCOE_REC_TOV_DEFAULT_WRAPAROUND_VAL			\
			(3000 / FCOE_REC_TIMER_RESOLUTION_MS)

#define FCOE_NUM_OF_TIMER_TASKS  (8 * 1024)

#define FCOE_NUM_OF_CACHED_TASKS_TIMER (8)

/* Task context constants */
/******** Remove FCP_CMD write tce sleep ***********************/
/* In case timer services are required then shall be updated by Xstorm after
 * start processing the task. In case no timer facilities are required then the
 * driver would initialize the state to this value
 *
#define	FCOE_TASK_TX_STATE_NORMAL				0
 * After driver has initialize the task in case timer services required *
#define	FCOE_TASK_TX_STATE_INIT					1
******** Remove FCP_CMD write tce sleep ***********************/
/* After driver has initialize the task in case timer services required */
#define	FCOE_TASK_TX_STATE_INIT					0
/* In case timer services are required then shall be updated by Xstorm after
 * start processing the task. In case no timer facilities are required then the
 * driver would initialize the state to this value
 */
#define	FCOE_TASK_TX_STATE_NORMAL				1
/* Task is under abort procedure. Updated in order to stop processing of
 * pending WQEs on this task
 */
#define	FCOE_TASK_TX_STATE_ABORT				2
/* For E_D_T_TOV timer expiration in Xstorm (Class 2 only) */
#define	FCOE_TASK_TX_STATE_ERROR				3
/* For REC_TOV timer expiration indication received from Xstorm */
#define	FCOE_TASK_TX_STATE_WARNING				4
/* For completed unsolicited task */
#define	FCOE_TASK_TX_STATE_UNSOLICITED_COMPLETED		5
/* For exchange cleanup request task */
#define	FCOE_TASK_TX_STATE_EXCHANGE_CLEANUP			6
/* For sequence cleanup request task */
#define	FCOE_TASK_TX_STATE_SEQUENCE_CLEANUP			7
/* For completion the ABTS task. */
#define	FCOE_TASK_TX_STATE_ABTS_TX				8

#define	FCOE_TASK_RX_STATE_NORMAL				0
#define	FCOE_TASK_RX_STATE_COMPLETED				1
/* Obsolete: Intermediate completion (middle path with local completion) */
#define	FCOE_TASK_RX_STATE_INTER_COMP				2
/* For REC_TOV timer expiration indication received from Xstorm */
#define	FCOE_TASK_RX_STATE_WARNING				3
/* For E_D_T_TOV timer expiration in Ustorm */
#define	FCOE_TASK_RX_STATE_ERROR				4
/* FW only: First visit at rx-path, part of the abts round trip */
#define	FCOE_TASK_RX_STATE_ABTS_IN_PROCESS			5
/* FW only: Second visit at rx-path, after ABTS frame transmitted */
#define	FCOE_TASK_RX_STATE_ABTS_TRANSMITTED			6
/* Special completion indication in case of task was aborted. */
#define FCOE_TASK_RX_STATE_ABTS_COMPLETED			7
/* FW only: First visit at rx-path, part of the cleanup round trip */
#define	FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_IN_PROCESS		8
/* FW only: Special completion indication in case of task was cleaned. */
#define FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_COMPLETED		9
/* Not in used: Special completion indication (in task requested the exchange
 * cleanup) in case cleaned task is in non-valid.
 */
#define FCOE_TASK_RX_STATE_ABORT_CLEANUP_COMPLETED		10
/* Special completion indication (in task requested the sequence cleanup) in
 * case cleaned task was already returned to normal.
 */
#define FCOE_TASK_RX_STATE_IGNORED_SEQUENCE_CLEANUP		11


#define	FCOE_TASK_TYPE_WRITE			0
#define	FCOE_TASK_TYPE_READ				1
#define	FCOE_TASK_TYPE_MIDPATH			2
#define	FCOE_TASK_TYPE_UNSOLICITED		3
#define	FCOE_TASK_TYPE_ABTS				4
#define	FCOE_TASK_TYPE_EXCHANGE_CLEANUP	5
#define	FCOE_TASK_TYPE_SEQUENCE_CLEANUP	6

#define FCOE_TASK_DEV_TYPE_DISK			0
#define FCOE_TASK_DEV_TYPE_TAPE			1

#define FCOE_TASK_CLASS_TYPE_3			0
#define FCOE_TASK_CLASS_TYPE_2			1

/* FCoE/FC packet fields  */
#define	FCOE_ETH_TYPE					0x8906

/* FCoE maximum elements in hash table */
#define FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW	8

/* FCoE half of the elements in hash table */
#define FCOE_HALF_ELEMENTS_IN_HASH_TABLE_ROW			\
			(FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW / 2)

/* FcoE number of cached T2 entries */
#define T_FCOE_NUMBER_OF_CACHED_T2_ENTRIES (4)

/* FCoE maximum elements in hash table */
#define FCOE_HASH_TBL_CHUNK_SIZE	16384

/* Everest FCoE connection type */
#define B577XX_FCOE_CONNECTION_TYPE		4

/* FCoE number of rows (in log). This number derives
 * from the maximum connections supported which is 2048.
 * TBA: Need a different constant for E2
 */
#define FCOE_MAX_NUM_SESSIONS_LOG		11

#define FC_ABTS_REPLY_MAX_PAYLOAD_LEN	12

/* Error codes for Error Reporting in slow path flows */
#define FCOE_SLOW_PATH_ERROR_CODE_TOO_MANY_FUNCS			0
#define FCOE_SLOW_PATH_ERROR_CODE_NO_LICENSE				1

/* Error codes for Error Reporting in fast path flows
 * XFER error codes
 */
#define FCOE_ERROR_CODE_XFER_OOO_RO					0
#define FCOE_ERROR_CODE_XFER_RO_NOT_ALIGNED				1
#define FCOE_ERROR_CODE_XFER_NULL_BURST_LEN				2
#define FCOE_ERROR_CODE_XFER_RO_GREATER_THAN_DATA2TRNS			3
#define FCOE_ERROR_CODE_XFER_INVALID_PAYLOAD_SIZE			4
#define FCOE_ERROR_CODE_XFER_TASK_TYPE_NOT_WRITE			5
#define FCOE_ERROR_CODE_XFER_PEND_XFER_SET				6
#define FCOE_ERROR_CODE_XFER_OPENED_SEQ					7
#define FCOE_ERROR_CODE_XFER_FCTL					8

/* FCP RSP error codes */
#define FCOE_ERROR_CODE_FCP_RSP_BIDI_FLAGS_SET				9
#define FCOE_ERROR_CODE_FCP_RSP_UNDERFLOW				10
#define FCOE_ERROR_CODE_FCP_RSP_OVERFLOW				11
#define FCOE_ERROR_CODE_FCP_RSP_INVALID_LENGTH_FIELD			12
#define FCOE_ERROR_CODE_FCP_RSP_INVALID_SNS_FIELD			13
#define FCOE_ERROR_CODE_FCP_RSP_INVALID_PAYLOAD_SIZE			14
#define FCOE_ERROR_CODE_FCP_RSP_PEND_XFER_SET				15
#define FCOE_ERROR_CODE_FCP_RSP_OPENED_SEQ				16
#define FCOE_ERROR_CODE_FCP_RSP_FCTL					17
#define FCOE_ERROR_CODE_FCP_RSP_LAST_SEQ_RESET				18
#define FCOE_ERROR_CODE_FCP_RSP_CONF_REQ_NOT_SUPPORTED_YET		19

/* FCP DATA error codes */
#define FCOE_ERROR_CODE_DATA_OOO_RO					20
#define FCOE_ERROR_CODE_DATA_EXCEEDS_DEFINED_MAX_FRAME_SIZE		21
#define FCOE_ERROR_CODE_DATA_EXCEEDS_DATA2TRNS				22
#define FCOE_ERROR_CODE_DATA_SOFI3_SEQ_ACTIVE_SET			23
#define FCOE_ERROR_CODE_DATA_SOFN_SEQ_ACTIVE_RESET			24
#define FCOE_ERROR_CODE_DATA_EOFN_END_SEQ_SET				25
#define FCOE_ERROR_CODE_DATA_EOFT_END_SEQ_RESET				26
#define FCOE_ERROR_CODE_DATA_TASK_TYPE_NOT_READ				27
#define FCOE_ERROR_CODE_DATA_FCTL					28

/* Middle path error codes */
#define FCOE_ERROR_CODE_MIDPATH_INVALID_TYPE				29
#define FCOE_ERROR_CODE_MIDPATH_SOFI3_SEQ_ACTIVE_SET			30
#define FCOE_ERROR_CODE_MIDPATH_SOFN_SEQ_ACTIVE_RESET			31
#define FCOE_ERROR_CODE_MIDPATH_EOFN_END_SEQ_SET			32
#define FCOE_ERROR_CODE_MIDPATH_EOFT_END_SEQ_RESET			33
#define FCOE_ERROR_CODE_MIDPATH_REPLY_FCTL				34
#define FCOE_ERROR_CODE_MIDPATH_INVALID_REPLY				35
#define FCOE_ERROR_CODE_MIDPATH_ELS_REPLY_RCTL				36

/* ABTS error codes */
#define FCOE_ERROR_CODE_ABTS_REPLY_F_CTL				37
#define FCOE_ERROR_CODE_ABTS_REPLY_DDF_RCTL_FIELD			38
#define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_BLS_RCTL			39
#define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_RCTL				40
#define FCOE_ERROR_CODE_ABTS_REPLY_RCTL_GENERAL_MISMATCH		41

/* Common error codes */
#define FCOE_ERROR_CODE_COMMON_MIDDLE_FRAME_WITH_PAD			42
#define FCOE_ERROR_CODE_COMMON_SEQ_INIT_IN_TCE				43
#define FCOE_ERROR_CODE_COMMON_FC_HDR_RX_ID_MISMATCH			44
#define FCOE_ERROR_CODE_COMMON_INCORRECT_SEQ_CNT			45
#define FCOE_ERROR_CODE_COMMON_DATA_FC_HDR_FCP_TYPE_MISMATCH		46
#define FCOE_ERROR_CODE_COMMON_DATA_NO_MORE_SGES			47
#define FCOE_ERROR_CODE_COMMON_OPTIONAL_FC_HDR				48
#define FCOE_ERROR_CODE_COMMON_READ_TCE_OX_ID_TOO_BIG			49
#define FCOE_ERROR_CODE_COMMON_DATA_WAS_NOT_TRANSMITTED			50

/* Unsolicited Rx error codes */
#define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_ELS			51
#define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_BLS			52
#define FCOE_ERROR_CODE_UNSOLICITED_FCTL_ELS				53
#define FCOE_ERROR_CODE_UNSOLICITED_FCTL_BLS				54
#define FCOE_ERROR_CODE_UNSOLICITED_R_CTL				55

#define FCOE_ERROR_CODE_RW_TASK_DDF_RCTL_INFO_FIELD			56
#define FCOE_ERROR_CODE_RW_TASK_INVALID_RCTL				57
#define FCOE_ERROR_CODE_RW_TASK_RCTL_GENERAL_MISMATCH			58

/* Timer error codes */
#define FCOE_ERROR_CODE_E_D_TOV_TIMER_EXPIRATION			60
#define FCOE_ERROR_CODE_REC_TOV_TIMER_EXPIRATION			61


#endif /* BNX2FC_CONSTANTS_H_ */