Loading...
1/* 57xx_iscsi_constants.h: QLogic NetXtreme II iSCSI HSI
2 *
3 * Copyright (c) 2006 - 2013 Broadcom Corporation
4 * Copyright (c) 2014, QLogic Corporation
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation.
9 *
10 * Written by: Anil Veerabhadrappa (anilgv@broadcom.com)
11 * Previously Maintained by: Eddie Wai (eddie.wai@broadcom.com)
12 * Maintained by: QLogic-Storage-Upstream@qlogic.com
13 */
14#ifndef __57XX_ISCSI_CONSTANTS_H_
15#define __57XX_ISCSI_CONSTANTS_H_
16
17/**
18* This file defines HSI constants for the iSCSI flows
19*/
20
21/* iSCSI request op codes */
22#define ISCSI_OPCODE_CLEANUP_REQUEST (7)
23
24/* iSCSI response/messages op codes */
25#define ISCSI_OPCODE_CLEANUP_RESPONSE (0x27)
26#define ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION (0)
27
28/* iSCSI task types */
29#define ISCSI_TASK_TYPE_READ (0)
30#define ISCSI_TASK_TYPE_WRITE (1)
31#define ISCSI_TASK_TYPE_MPATH (2)
32
33/* initial CQ sequence numbers */
34#define ISCSI_INITIAL_SN (1)
35
36/* KWQ (kernel work queue) layer codes */
37#define ISCSI_KWQE_LAYER_CODE (6)
38
39/* KWQ (kernel work queue) request op codes */
40#define ISCSI_KWQE_OPCODE_OFFLOAD_CONN1 (0)
41#define ISCSI_KWQE_OPCODE_OFFLOAD_CONN2 (1)
42#define ISCSI_KWQE_OPCODE_UPDATE_CONN (2)
43#define ISCSI_KWQE_OPCODE_DESTROY_CONN (3)
44#define ISCSI_KWQE_OPCODE_INIT1 (4)
45#define ISCSI_KWQE_OPCODE_INIT2 (5)
46
47/* KCQ (kernel completion queue) response op codes */
48#define ISCSI_KCQE_OPCODE_OFFLOAD_CONN (0x10)
49#define ISCSI_KCQE_OPCODE_UPDATE_CONN (0x12)
50#define ISCSI_KCQE_OPCODE_DESTROY_CONN (0x13)
51#define ISCSI_KCQE_OPCODE_INIT (0x14)
52#define ISCSI_KCQE_OPCODE_FW_CLEAN_TASK (0x15)
53#define ISCSI_KCQE_OPCODE_TCP_RESET (0x16)
54#define ISCSI_KCQE_OPCODE_TCP_SYN (0x17)
55#define ISCSI_KCQE_OPCODE_TCP_FIN (0X18)
56#define ISCSI_KCQE_OPCODE_TCP_ERROR (0x19)
57#define ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20)
58#define ISCSI_KCQE_OPCODE_ISCSI_ERROR (0x21)
59
60/* KCQ (kernel completion queue) completion status */
61#define ISCSI_KCQE_COMPLETION_STATUS_SUCCESS (0x0)
62#define ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x1)
63#define ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x2)
64#define ISCSI_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x3)
65#define ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR (0x4)
66
67#define ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR (0x5)
68#define ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR (0x6)
69
70#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_UNEXPECTED_OPCODE (0xa)
71#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE (0xb)
72#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN (0xc)
73#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT (0xd)
74#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN (0xe)
75
76/* Response */
77#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN (0xf)
78#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T (0x10)
79#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_IS_ZERO (0x2c)
80#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG (0x2d)
81#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0 (0x11)
82#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1 (0x12)
83#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2 (0x13)
84#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3 (0x14)
85#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4 (0x15)
86#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5 (0x16)
87#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6 (0x17)
88
89/* Data-In */
90#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN (0x18)
91#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN (0x19)
92#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO (0x1a)
93#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV (0x1b)
94#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN (0x1c)
95#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN (0x1d)
96
97/* R2T */
98#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF (0x1f)
99#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN (0x20)
100#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN (0x21)
101#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 (0x22)
102#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 (0x23)
103#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED (0x24)
104#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV (0x25)
105#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN (0x26)
106#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO (0x27)
107
108/* TMF */
109#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN (0x28)
110#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN (0x29)
111#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN (0x2a)
112#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP (0x2b)
113
114/* IP/TCP processing errors: */
115#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT (0x40)
116#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS (0x41)
117#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG (0x42)
118#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_RTRANS (0x43)
119
120/* iSCSI licensing errors */
121/* general iSCSI license not installed */
122#define ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED (0x50)
123/* additional LOM specific iSCSI license not installed */
124#define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED (0x51)
125
126#define ISCSI_KCQE_COMPLETION_STATUS_CID_BUSY (0x80)
127#define ISCSI_KCQE_COMPLETION_STATUS_PARITY_ERR (0x81)
128
129/* SQ/RQ/CQ DB structure sizes */
130#define ISCSI_SQ_DB_SIZE (16)
131#define ISCSI_RQ_DB_SIZE (64)
132#define ISCSI_CQ_DB_SIZE (80)
133
134#define ISCSI_SQN_TO_NOTIFY_NOT_VALID 0xFFFF
135
136/* Page size codes (for flags field in connection offload request) */
137#define ISCSI_PAGE_SIZE_256 (0)
138#define ISCSI_PAGE_SIZE_512 (1)
139#define ISCSI_PAGE_SIZE_1K (2)
140#define ISCSI_PAGE_SIZE_2K (3)
141#define ISCSI_PAGE_SIZE_4K (4)
142#define ISCSI_PAGE_SIZE_8K (5)
143#define ISCSI_PAGE_SIZE_16K (6)
144#define ISCSI_PAGE_SIZE_32K (7)
145#define ISCSI_PAGE_SIZE_64K (8)
146#define ISCSI_PAGE_SIZE_128K (9)
147#define ISCSI_PAGE_SIZE_256K (10)
148#define ISCSI_PAGE_SIZE_512K (11)
149#define ISCSI_PAGE_SIZE_1M (12)
150#define ISCSI_PAGE_SIZE_2M (13)
151#define ISCSI_PAGE_SIZE_4M (14)
152#define ISCSI_PAGE_SIZE_8M (15)
153
154/* Iscsi PDU related defines */
155#define ISCSI_HEADER_SIZE (48)
156#define ISCSI_DIGEST_SHIFT (2)
157#define ISCSI_DIGEST_SIZE (4)
158
159#define B577XX_ISCSI_CONNECTION_TYPE 3
160
161#endif /*__57XX_ISCSI_CONSTANTS_H_ */