1*d14abf15SRobert Mustacchi #ifndef __57XX_ISCSI_CONSTANTS_H_
2*d14abf15SRobert Mustacchi #define __57XX_ISCSI_CONSTANTS_H_
3*d14abf15SRobert Mustacchi 
4*d14abf15SRobert Mustacchi /**
5*d14abf15SRobert Mustacchi  * This file defines HSI constants for the iSCSI flows
6*d14abf15SRobert Mustacchi  */
7*d14abf15SRobert Mustacchi 
8*d14abf15SRobert Mustacchi /* current iSCSI HSI version number (8 bit) */
9*d14abf15SRobert Mustacchi #define ISCSI_HSI_VERSION (2)
10*d14abf15SRobert Mustacchi 
11*d14abf15SRobert Mustacchi /* iSCSI request op codes */
12*d14abf15SRobert Mustacchi #define ISCSI_OPCODE_CLEANUP_REQUEST    (7)
13*d14abf15SRobert Mustacchi 
14*d14abf15SRobert Mustacchi /* iSCSI response/messages op codes */
15*d14abf15SRobert Mustacchi #define ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION    (0)
16*d14abf15SRobert Mustacchi #define ISCSI_OPCODE_CLEANUP_RESPONSE           (0x27)
17*d14abf15SRobert Mustacchi 
18*d14abf15SRobert Mustacchi /* iSCSI task types */
19*d14abf15SRobert Mustacchi #define ISCSI_TASK_TYPE_READ    (0)
20*d14abf15SRobert Mustacchi #define ISCSI_TASK_TYPE_WRITE   (1)
21*d14abf15SRobert Mustacchi #define ISCSI_TASK_TYPE_MPATH   (2)
22*d14abf15SRobert Mustacchi 
23*d14abf15SRobert Mustacchi /* initial CQ sequence numbers */
24*d14abf15SRobert Mustacchi #define ISCSI_INITIAL_SN    (1)
25*d14abf15SRobert Mustacchi 
26*d14abf15SRobert Mustacchi /*Sqn_to_notify special values */
27*d14abf15SRobert Mustacchi #define ISCSI_SQN_TO_NOTIFY_NOT_VALID							(0xFFFF)
28*d14abf15SRobert Mustacchi #define ISCSI_SQN_TO_NOTIFY_EVENT_COALESCING_DISABLED			(0x0)
29*d14abf15SRobert Mustacchi 
30*d14abf15SRobert Mustacchi /* KWQ (kernel work queue) layer codes */
31*d14abf15SRobert Mustacchi #define ISCSI_KWQE_LAYER_CODE   (6)
32*d14abf15SRobert Mustacchi 
33*d14abf15SRobert Mustacchi /* KWQ (kernel work queue) request op codes */
34*d14abf15SRobert Mustacchi #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN1 (0)
35*d14abf15SRobert Mustacchi #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN2 (1)
36*d14abf15SRobert Mustacchi #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN3 (6)
37*d14abf15SRobert Mustacchi #define ISCSI_KWQE_OPCODE_UPDATE_CONN   (2)
38*d14abf15SRobert Mustacchi #define ISCSI_KWQE_OPCODE_DESTROY_CONN  (3)
39*d14abf15SRobert Mustacchi #define ISCSI_KWQE_OPCODE_INIT1         (4)
40*d14abf15SRobert Mustacchi #define ISCSI_KWQE_OPCODE_INIT2         (5)
41*d14abf15SRobert Mustacchi 
42*d14abf15SRobert Mustacchi /* KCQ (kernel completion queue) response op codes */
43*d14abf15SRobert Mustacchi #define ISCSI_KCQE_OPCODE_OFFLOAD_CONN  (0x10)
44*d14abf15SRobert Mustacchi #define ISCSI_KCQE_OPCODE_UPDATE_CONN   (0x12)
45*d14abf15SRobert Mustacchi #define ISCSI_KCQE_OPCODE_DESTROY_CONN  (0x13)
46*d14abf15SRobert Mustacchi #define ISCSI_KCQE_OPCODE_INIT          (0x14)
47*d14abf15SRobert Mustacchi #define ISCSI_KCQE_OPCODE_FW_CLEAN_TASK (0x15) // for internal FW processing
48*d14abf15SRobert Mustacchi #define ISCSI_KCQE_OPCODE_TCP_RESET     (0x16)
49*d14abf15SRobert Mustacchi #define ISCSI_KCQE_OPCODE_TCP_SYN       (0x17)
50*d14abf15SRobert Mustacchi #define ISCSI_KCQE_OPCODE_TCP_FIN       (0x18)
51*d14abf15SRobert Mustacchi #define ISCSI_KCQE_OPCODE_TCP_ERROR     (0x19)
52*d14abf15SRobert Mustacchi #define ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20)
53*d14abf15SRobert Mustacchi #define ISCSI_KCQE_OPCODE_ISCSI_ERROR   (0x21)
54*d14abf15SRobert Mustacchi #define ISCSI_KCQE_OPCODE_DESTROY_CTX 	(0x22)
55*d14abf15SRobert Mustacchi 
56*d14abf15SRobert Mustacchi /* KCQ (kernel completion queue) completion status */
57*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_SUCCESS                            (0x0)
58*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE                     (0x1)
59*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE                  (0x2)
60*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE                   (0x3)
61*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR                          (0x4)
62*d14abf15SRobert Mustacchi 
63*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR                        (0x5)
64*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR                       (0x6)
65*d14abf15SRobert Mustacchi 
66*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_WRONG_HSI_VERSION                  (0x8)
67*d14abf15SRobert Mustacchi 
68*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_UNEXPECTED_OPCODE     (0xa)
69*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE                (0xb)
70*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN               (0xc)
71*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT                   (0xd)
72*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN                (0xe)
73*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN            (0xf)
74*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T              (0x10)
75*d14abf15SRobert Mustacchi 
76*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0                 (0x11)
77*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1                 (0x12)
78*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2                 (0x13)
79*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3                 (0x14)
80*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4                 (0x15)
81*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5                 (0x16)
82*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6                 (0x17)
83*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN        (0x18)
84*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN       (0x19)
85*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO            (0x1a)
86*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV          (0x1b)
87*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN                (0x1c)
88*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN      (0x1d)
89*d14abf15SRobert Mustacchi 
90*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF            (0x1f)
91*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN                   (0x20)
92*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN                 (0x21)
93*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 (0x22)
94*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 (0x23)
95*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED       (0x24)
96*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV           (0x25)
97*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN         (0x26)
98*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO (0x27)
99*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN        (0x28)
100*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN         (0x29)
101*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN         (0x2a)
102*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP   (0x2b)
103*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_IS_ZERO  (0x2c)
104*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG  (0x2d)
105*d14abf15SRobert Mustacchi 
106*d14abf15SRobert Mustacchi /* IP/TCP processing errors: */
107*d14abf15SRobert Mustacchi #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT               (0x40)
108*d14abf15SRobert Mustacchi #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS                (0x41)
109*d14abf15SRobert Mustacchi #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG               (0x42)
110*d14abf15SRobert Mustacchi #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_RTRANS                (0x43)
111*d14abf15SRobert Mustacchi #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_OPTIONS_LENGTH        (0x44)
112*d14abf15SRobert Mustacchi 
113*d14abf15SRobert Mustacchi /* iSCSI licensing errors */
114*d14abf15SRobert Mustacchi /* general iSCSI license not installed */
115*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED                (0x50)
116*d14abf15SRobert Mustacchi /* additional LOM specific iSCSI license not installed */
117*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED              (0x51)
118*d14abf15SRobert Mustacchi 
119*d14abf15SRobert Mustacchi //Driver uses the range beyond this value
120*d14abf15SRobert Mustacchi #define ISCSI_KCQE_COMPLETION_STATUS_LAST_FW_ENTRY						(0x7f)
121*d14abf15SRobert Mustacchi 
122*d14abf15SRobert Mustacchi /* SQ/RQ/CQ DB structure sizes */
123*d14abf15SRobert Mustacchi #define ISCSI_SQ_DB_SIZE    (16)
124*d14abf15SRobert Mustacchi #define ISCSI_RQ_DB_SIZE    (64)
125*d14abf15SRobert Mustacchi #define ISCSI_CQ_DB_SIZE    (80)
126*d14abf15SRobert Mustacchi 
127*d14abf15SRobert Mustacchi /* Page size codes (for flags field in connection offload request) */
128*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_256     (0)
129*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_512     (1)
130*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_1K      (2)
131*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_2K      (3)
132*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_4K      (4)
133*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_8K      (5)
134*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_16K     (6)
135*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_32K     (7)
136*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_64K     (8)
137*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_128K    (9)
138*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_256K    (10)
139*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_512K    (11)
140*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_1M      (12)
141*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_2M      (13)
142*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_4M      (14)
143*d14abf15SRobert Mustacchi #define ISCSI_PAGE_SIZE_8M      (15)
144*d14abf15SRobert Mustacchi 
145*d14abf15SRobert Mustacchi /* Iscsi PDU related defines */
146*d14abf15SRobert Mustacchi #define ISCSI_HEADER_SIZE   (48)
147*d14abf15SRobert Mustacchi #define ISCSI_DIGEST_SHIFT  (2)
148*d14abf15SRobert Mustacchi #define ISCSI_DIGEST_SIZE   (4)
149*d14abf15SRobert Mustacchi 
150*d14abf15SRobert Mustacchi /* Everest iSCSI connection type */
151*d14abf15SRobert Mustacchi #define B577XX_ISCSI_CONNECTION_TYPE (3)
152*d14abf15SRobert Mustacchi 
153*d14abf15SRobert Mustacchi #endif /*__57XX_ISCSI_CONSTANTS_H_ */
154*d14abf15SRobert Mustacchi 
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