1 #ifndef __57XX_FCOE_CONSTANTS_H_
2 #define __57XX_FCOE_CONSTANTS_H_
3 
4 /**
5  * This file defines HSI constants for the FCoE flows
6  */
7 
8 /* Current FCoE HSI version number composed of two fields (16 bit) */
9 #define FCOE_HSI_MAJOR_VERSION (2)	// Implies on a change broken previous HSI
10 #define FCOE_HSI_MINOR_VERSION (2)	// Implies on a change which does not broken previous HSI
11 
12 /* KWQ/KCQ FCoE layer code */
13 #define FCOE_KWQE_LAYER_CODE   (7)
14 
15 /* KWQ (kernel work queue) request op codes */
16 #define FCOE_KWQE_OPCODE_INIT1			(0)
17 #define FCOE_KWQE_OPCODE_INIT2			(1)
18 #define FCOE_KWQE_OPCODE_INIT3			(2)
19 #define FCOE_KWQE_OPCODE_OFFLOAD_CONN1	(3)
20 #define FCOE_KWQE_OPCODE_OFFLOAD_CONN2	(4)
21 #define FCOE_KWQE_OPCODE_OFFLOAD_CONN3	(5)
22 #define FCOE_KWQE_OPCODE_OFFLOAD_CONN4	(6)
23 #define FCOE_KWQE_OPCODE_ENABLE_CONN	(7)
24 #define FCOE_KWQE_OPCODE_DISABLE_CONN	(8)
25 #define FCOE_KWQE_OPCODE_DESTROY_CONN	(9)
26 #define FCOE_KWQE_OPCODE_DESTROY		(10)
27 #define FCOE_KWQE_OPCODE_STAT			(11)
28 
29 /* KCQ (kernel completion queue) response op codes */
30 #define FCOE_KCQE_OPCODE_INIT_FUNC				(0x10)
31 #define FCOE_KCQE_OPCODE_DESTROY_FUNC			(0x11)
32 #define FCOE_KCQE_OPCODE_STAT_FUNC				(0x12)
33 #define FCOE_KCQE_OPCODE_OFFLOAD_CONN			(0x15)
34 #define FCOE_KCQE_OPCODE_ENABLE_CONN			(0x16)
35 #define FCOE_KCQE_OPCODE_DISABLE_CONN			(0x17)
36 #define FCOE_KCQE_OPCODE_DESTROY_CONN			(0x18)
37 #define FCOE_KCQE_OPCODE_CQ_EVENT_NOTIFICATION  (0x20)
38 #define FCOE_KCQE_OPCODE_FCOE_ERROR				(0x21)
39 
40 /* KCQ (kernel completion queue) completion status */
41 #define FCOE_KCQE_COMPLETION_STATUS_SUCCESS				(0x0)
42 #define FCOE_KCQE_COMPLETION_STATUS_ERROR				(0x1)
43 #define FCOE_KCQE_COMPLETION_STATUS_INVALID_OPCODE		(0x2)
44 #define FCOE_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE	(0x3)
45 #define FCOE_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE	(0x4)
46 #define FCOE_KCQE_COMPLETION_STATUS_NIC_ERROR			(0x5)
47 #define FCOE_KCQE_COMPLETION_STATUS_WRONG_HSI_VERSION   (0x6)
48 
49 /* CQE type */
50 #define FCOE_PENDING_CQE_TYPE			0
51 #define FCOE_UNSOLIC_CQE_TYPE			1
52 
53 /* Unsolicited CQE type */
54 #define FCOE_UNSOLICITED_FRAME_CQE_TYPE			0
55 #define FCOE_ERROR_DETECTION_CQE_TYPE			1
56 #define FCOE_WARNING_DETECTION_CQE_TYPE			2
57 
58 // E_D_TOV timer resolution in ms
59 #define FCOE_E_D_TOV_TIMER_RESOLUTION_MS (20)
60 
61 // E_D_TOV timer resolution for SDM (4 micro)
62 #define FCOE_E_D_TOV_SDM_TIMER_RESOLUTION (FCOE_E_D_TOV_TIMER_RESOLUTION_MS * 1000 / 4)
63 
64 // REC timer resolution in ms
65 #define FCOE_REC_TIMER_RESOLUTION_MS (20)
66 
67 // REC timer resolution for SDM (4 micro)
68 #define FCOE_REC_SDM_TIMER_RESOLUTION (FCOE_REC_TIMER_RESOLUTION_MS * 1000 / 4)
69 
70 // E_D_TOV timer default wraparound value (2 sec) in 20 ms resolution
71 #define FCOE_E_D_TOV_DEFAULT_WRAPAROUND_VAL	(2000 / FCOE_E_D_TOV_TIMER_RESOLUTION_MS)
72 
73 // REC_TOV timer default wraparound value (3 sec) in 20 ms resolution
74 #define FCOE_REC_TOV_DEFAULT_WRAPAROUND_VAL	(3000 / FCOE_REC_TIMER_RESOLUTION_MS)
75 
76 #define FCOE_NUM_OF_TIMER_TASKS  (8 * 1024)
77 
78 #define FCOE_NUM_OF_CACHED_TASKS_TIMER (8)
79 
80 // Task context constants
81 /************************************** Remove FCP_CMD write tce sleep                *****************************************************************
82 #define	FCOE_TASK_TX_STATE_NORMAL						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
83 #define	FCOE_TASK_TX_STATE_INIT							1	// After driver has initialize the task in case timer services required
84 ************************************** Remove FCP_CMD write tce sleep                *****************************************************************/
85 #define	FCOE_TASK_TX_STATE_INIT                                     0	// After driver has initialize the task in case timer services required
86 #define	FCOE_TASK_TX_STATE_NORMAL                                   1	// 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
87 #define	FCOE_TASK_TX_STATE_ABORT                                    2	// Task is under abort procedure. Updated in order to stop processing of pending WQEs on this task
88 #define	FCOE_TASK_TX_STATE_ERROR                                    3	// For E_D_T_TOV timer expiration in Xstorm (Class 2 only)
89 #define	FCOE_TASK_TX_STATE_WARNING                                  4	// For REC_TOV timer expiration indication received from Xstorm
90 #define	FCOE_TASK_TX_STATE_UNSOLICITED_COMPLETED                    5	// For completed unsolicited task
91 #define	FCOE_TASK_TX_STATE_EXCHANGE_CLEANUP                         6	// For exchange cleanup request task
92 #define	FCOE_TASK_TX_STATE_SEQUENCE_CLEANUP                         7	// For sequence cleanup request task
93 #define	FCOE_TASK_TX_STATE_ABTS_TX                                  8	// For completion the ABTS task.
94 
95 #define	FCOE_TASK_RX_STATE_NORMAL						0
96 #define	FCOE_TASK_RX_STATE_COMPLETED					1
97 #define	FCOE_TASK_RX_STATE_INTER_COMP					2	// Obsolete: Intermediate completion (middle path with local completion)
98 #define	FCOE_TASK_RX_STATE_WARNING						3	// For REC_TOV timer expiration indication received from Xstorm
99 #define	FCOE_TASK_RX_STATE_ERROR						4	// For E_D_T_TOV timer expiration in Ustorm
100 #define	FCOE_TASK_RX_STATE_ABTS_IN_PROCESS				5	// FW only: First visit at rx-path, part of the abts round trip
101 #define	FCOE_TASK_RX_STATE_ABTS_TRANSMITTED				6	// FW only: Second visit at rx-path, after ABTS frame transmitted
102 #define FCOE_TASK_RX_STATE_ABTS_COMPLETED				7	// Special completion indication in case of task was aborted.
103 #define	FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_IN_PROCESS  8	// FW only: First visit at rx-path, part of the cleanup round trip
104 #define FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_COMPLETED	9	// FW only: Special completion indication in case of task was cleaned.
105 #define FCOE_TASK_RX_STATE_ABORT_CLEANUP_COMPLETED		10	// Not in used: Special completion indication (in task requested the exchange cleanup) in case cleaned task is in non-valid.
106 #define FCOE_TASK_RX_STATE_IGNORED_SEQUENCE_CLEANUP		11	// Special completion indication (in task requested the sequence cleanup) in case cleaned task was already returned to normal.
107 
108 
109 #define	FCOE_TASK_TYPE_WRITE			0
110 #define	FCOE_TASK_TYPE_READ				1
111 #define	FCOE_TASK_TYPE_MIDPATH			2
112 #define	FCOE_TASK_TYPE_UNSOLICITED		3
113 #define	FCOE_TASK_TYPE_ABTS				4
114 #define	FCOE_TASK_TYPE_EXCHANGE_CLEANUP	5
115 #define	FCOE_TASK_TYPE_SEQUENCE_CLEANUP	6
116 
117 #define FCOE_TASK_DEV_TYPE_DISK			0
118 #define FCOE_TASK_DEV_TYPE_TAPE			1
119 
120 #define FCOE_TASK_CLASS_TYPE_3			0
121 #define FCOE_TASK_CLASS_TYPE_2			1
122 
123 // FCoE/FC packet fields
124 #define	FCOE_ETH_TYPE					0x8906
125 
126 // FCoE maximum elements in hash table
127 #define FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW	8
128 
129 // FCoE half of the elements in hash table
130 #define FCOE_HALF_ELEMENTS_IN_HASH_TABLE_ROW	(FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW / 2)
131 
132 // FcoE number of cached T2 entries
133 #define T_FCOE_NUMBER_OF_CACHED_T2_ENTRIES (4)
134 
135 // FCoE maximum elements in hash table
136 #define FCOE_HASH_TBL_CHUNK_SIZE	16384
137 
138 // Everest FCoE connection type
139 #define B577XX_FCOE_CONNECTION_TYPE		4
140 
141 // FCoE number of rows (in log). This number derives
142 // from the maximum connections supported which is 2048.
143 // TBA: Need a different constant for E2
144 #define FCOE_MAX_NUM_SESSIONS_LOG		11
145 
146 // Maximum possible number of EQ pages per function
147 #define FCOE_MAX_EQ_PAGES_PER_FUNC          40
148 
149 #define FC_ABTS_REPLY_MAX_PAYLOAD_LEN	12
150 
151 // Error codes for Error Reporting in slow path flows
152 #define FCOE_SLOW_PATH_ERROR_CODE_TOO_MANY_FUNCS			0
153 #define FCOE_SLOW_PATH_ERROR_CODE_NO_LICENSE				1
154 #define FCOE_SLOW_PATH_ERROR_CODE_TOO_MANY_TASKS			2
155 
156 // Error codes for Error Reporting in fast path flows
157 // XFER error codes
158 #define FCOE_ERROR_CODE_XFER_OOO_RO							0
159 #define FCOE_ERROR_CODE_XFER_RO_NOT_ALIGNED					1
160 #define FCOE_ERROR_CODE_XFER_NULL_BURST_LEN					2
161 #define FCOE_ERROR_CODE_XFER_RO_GREATER_THAN_DATA2TRNS		3
162 #define FCOE_ERROR_CODE_XFER_INVALID_PAYLOAD_SIZE			4
163 #define FCOE_ERROR_CODE_XFER_TASK_TYPE_NOT_WRITE			5
164 #define FCOE_ERROR_CODE_XFER_PEND_XFER_SET					6
165 #define FCOE_ERROR_CODE_XFER_OPENED_SEQ						7
166 #define FCOE_ERROR_CODE_XFER_FCTL							8
167 
168 // FCP RSP error codes
169 #define FCOE_ERROR_CODE_FCP_RSP_BIDI_FLAGS_SET				9
170 #define FCOE_ERROR_CODE_FCP_RSP_UNDERFLOW					10
171 #define FCOE_ERROR_CODE_FCP_RSP_OVERFLOW					11
172 #define FCOE_ERROR_CODE_FCP_RSP_INVALID_LENGTH_FIELD		12
173 #define FCOE_ERROR_CODE_FCP_RSP_INVALID_SNS_FIELD			13
174 #define FCOE_ERROR_CODE_FCP_RSP_INVALID_PAYLOAD_SIZE		14
175 #define FCOE_ERROR_CODE_FCP_RSP_PEND_XFER_SET				15
176 #define FCOE_ERROR_CODE_FCP_RSP_OPENED_SEQ					16
177 #define FCOE_ERROR_CODE_FCP_RSP_FCTL						17
178 #define FCOE_ERROR_CODE_FCP_RSP_LAST_SEQ_RESET				18
179 #define FCOE_ERROR_CODE_FCP_RSP_CONF_REQ_NOT_SUPPORTED_YET	19
180 
181 // FCP DATA error codes
182 #define FCOE_ERROR_CODE_DATA_OOO_RO							20
183 #define FCOE_ERROR_CODE_DATA_EXCEEDS_DEFINED_MAX_FRAME_SIZE	21
184 #define FCOE_ERROR_CODE_DATA_EXCEEDS_DATA2TRNS				22
185 #define FCOE_ERROR_CODE_DATA_SOFI3_SEQ_ACTIVE_SET			23
186 #define FCOE_ERROR_CODE_DATA_SOFN_SEQ_ACTIVE_RESET			24
187 #define FCOE_ERROR_CODE_DATA_EOFN_END_SEQ_SET				25
188 #define FCOE_ERROR_CODE_DATA_EOFT_END_SEQ_RESET				26
189 #define FCOE_ERROR_CODE_DATA_TASK_TYPE_NOT_READ				27
190 #define FCOE_ERROR_CODE_DATA_FCTL							28
191 
192 // Middle path error codes
193 #define FCOE_ERROR_CODE_MIDPATH_INVALID_TYPE				29
194 #define FCOE_ERROR_CODE_MIDPATH_SOFI3_SEQ_ACTIVE_SET		30
195 #define FCOE_ERROR_CODE_MIDPATH_SOFN_SEQ_ACTIVE_RESET		31
196 #define FCOE_ERROR_CODE_MIDPATH_EOFN_END_SEQ_SET			32
197 #define FCOE_ERROR_CODE_MIDPATH_EOFT_END_SEQ_RESET			33
198 #define FCOE_ERROR_CODE_MIDPATH_REPLY_FCTL				34
199 #define FCOE_ERROR_CODE_MIDPATH_INVALID_REPLY				35
200 #define FCOE_ERROR_CODE_MIDPATH_ELS_REPLY_RCTL				36
201 
202 // ABTS error codes
203 #define FCOE_ERROR_CODE_ABTS_REPLY_F_CTL					37
204 #define FCOE_ERROR_CODE_ABTS_REPLY_DDF_RCTL_FIELD			38
205 #define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_BLS_RCTL			39
206 #define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_RCTL				40
207 #define FCOE_ERROR_CODE_ABTS_REPLY_RCTL_GENERAL_MISMATCH	41
208 
209 // Common error codes
210 #define FCOE_ERROR_CODE_COMMON_MIDDLE_FRAME_WITH_PAD			42
211 #define FCOE_ERROR_CODE_COMMON_SEQ_INIT_IN_TCE					43
212 #define FCOE_ERROR_CODE_COMMON_FC_HDR_RX_ID_MISMATCH			44
213 #define FCOE_ERROR_CODE_COMMON_INCORRECT_SEQ_CNT				45
214 #define FCOE_ERROR_CODE_COMMON_DATA_FC_HDR_FCP_TYPE_MISMATCH	46
215 #define FCOE_ERROR_CODE_COMMON_DATA_NO_MORE_SGES				47
216 #define FCOE_ERROR_CODE_COMMON_OPTIONAL_FC_HDR					48
217 #define FCOE_ERROR_CODE_COMMON_READ_TCE_OX_ID_TOO_BIG			49
218 #define FCOE_ERROR_CODE_COMMON_DATA_WAS_NOT_TRANSMITTED			50
219 
220 // Unsolicited Rx error codes
221 #define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_ELS				51
222 #define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_BLS				52
223 #define FCOE_ERROR_CODE_UNSOLICITED_FCTL_ELS					53
224 #define FCOE_ERROR_CODE_UNSOLICITED_FCTL_BLS					54
225 #define FCOE_ERROR_CODE_UNSOLICITED_R_CTL						55
226 
227 #define FCOE_ERROR_CODE_RW_TASK_DDF_RCTL_INFO_FIELD				56
228 #define FCOE_ERROR_CODE_RW_TASK_INVALID_RCTL					57
229 #define FCOE_ERROR_CODE_RW_TASK_RCTL_GENERAL_MISMATCH			58
230 
231 // Timer error codes
232 #define FCOE_ERROR_CODE_E_D_TOV_TIMER_EXPIRATION				60
233 #define FCOE_ERROR_CODE_REC_TOV_TIMER_EXPIRATION				61
234 
235 
236 #endif /*__57XX_FCOE_CONSTANTS_H_ */
237 
238