1 #ifndef __57XX_ISCSI_CONSTANTS_H_ 2 #define __57XX_ISCSI_CONSTANTS_H_ 3 4 /** 5 * This file defines HSI constants for the iSCSI flows 6 */ 7 8 /* current iSCSI HSI version number (8 bit) */ 9 #define ISCSI_HSI_VERSION (2) 10 11 /* iSCSI request op codes */ 12 #define ISCSI_OPCODE_CLEANUP_REQUEST (7) 13 14 /* iSCSI response/messages op codes */ 15 #define ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION (0) 16 #define ISCSI_OPCODE_CLEANUP_RESPONSE (0x27) 17 18 /* iSCSI task types */ 19 #define ISCSI_TASK_TYPE_READ (0) 20 #define ISCSI_TASK_TYPE_WRITE (1) 21 #define ISCSI_TASK_TYPE_MPATH (2) 22 23 /* initial CQ sequence numbers */ 24 #define ISCSI_INITIAL_SN (1) 25 26 /*Sqn_to_notify special values */ 27 #define ISCSI_SQN_TO_NOTIFY_NOT_VALID (0xFFFF) 28 #define ISCSI_SQN_TO_NOTIFY_EVENT_COALESCING_DISABLED (0x0) 29 30 /* KWQ (kernel work queue) layer codes */ 31 #define ISCSI_KWQE_LAYER_CODE (6) 32 33 /* KWQ (kernel work queue) request op codes */ 34 #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN1 (0) 35 #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN2 (1) 36 #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN3 (6) 37 #define ISCSI_KWQE_OPCODE_UPDATE_CONN (2) 38 #define ISCSI_KWQE_OPCODE_DESTROY_CONN (3) 39 #define ISCSI_KWQE_OPCODE_INIT1 (4) 40 #define ISCSI_KWQE_OPCODE_INIT2 (5) 41 42 /* KCQ (kernel completion queue) response op codes */ 43 #define ISCSI_KCQE_OPCODE_OFFLOAD_CONN (0x10) 44 #define ISCSI_KCQE_OPCODE_UPDATE_CONN (0x12) 45 #define ISCSI_KCQE_OPCODE_DESTROY_CONN (0x13) 46 #define ISCSI_KCQE_OPCODE_INIT (0x14) 47 #define ISCSI_KCQE_OPCODE_FW_CLEAN_TASK (0x15) // for internal FW processing 48 #define ISCSI_KCQE_OPCODE_TCP_RESET (0x16) 49 #define ISCSI_KCQE_OPCODE_TCP_SYN (0x17) 50 #define ISCSI_KCQE_OPCODE_TCP_FIN (0x18) 51 #define ISCSI_KCQE_OPCODE_TCP_ERROR (0x19) 52 #define ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20) 53 #define ISCSI_KCQE_OPCODE_ISCSI_ERROR (0x21) 54 #define ISCSI_KCQE_OPCODE_DESTROY_CTX (0x22) 55 56 /* KCQ (kernel completion queue) completion status */ 57 #define ISCSI_KCQE_COMPLETION_STATUS_SUCCESS (0x0) 58 #define ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x1) 59 #define ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x2) 60 #define ISCSI_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x3) 61 #define ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR (0x4) 62 63 #define ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR (0x5) 64 #define ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR (0x6) 65 66 #define ISCSI_KCQE_COMPLETION_STATUS_WRONG_HSI_VERSION (0x8) 67 68 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_UNEXPECTED_OPCODE (0xa) 69 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE (0xb) 70 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN (0xc) 71 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT (0xd) 72 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN (0xe) 73 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN (0xf) 74 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T (0x10) 75 76 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0 (0x11) 77 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1 (0x12) 78 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2 (0x13) 79 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3 (0x14) 80 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4 (0x15) 81 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5 (0x16) 82 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6 (0x17) 83 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN (0x18) 84 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN (0x19) 85 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO (0x1a) 86 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV (0x1b) 87 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN (0x1c) 88 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN (0x1d) 89 90 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF (0x1f) 91 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN (0x20) 92 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN (0x21) 93 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 (0x22) 94 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 (0x23) 95 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED (0x24) 96 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV (0x25) 97 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN (0x26) 98 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO (0x27) 99 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN (0x28) 100 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN (0x29) 101 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN (0x2a) 102 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP (0x2b) 103 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_IS_ZERO (0x2c) 104 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG (0x2d) 105 106 /* IP/TCP processing errors: */ 107 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT (0x40) 108 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS (0x41) 109 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG (0x42) 110 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_RTRANS (0x43) 111 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_OPTIONS_LENGTH (0x44) 112 113 /* iSCSI licensing errors */ 114 /* general iSCSI license not installed */ 115 #define ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED (0x50) 116 /* additional LOM specific iSCSI license not installed */ 117 #define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED (0x51) 118 119 //Driver uses the range beyond this value 120 #define ISCSI_KCQE_COMPLETION_STATUS_LAST_FW_ENTRY (0x7f) 121 122 /* SQ/RQ/CQ DB structure sizes */ 123 #define ISCSI_SQ_DB_SIZE (16) 124 #define ISCSI_RQ_DB_SIZE (64) 125 #define ISCSI_CQ_DB_SIZE (80) 126 127 /* Page size codes (for flags field in connection offload request) */ 128 #define ISCSI_PAGE_SIZE_256 (0) 129 #define ISCSI_PAGE_SIZE_512 (1) 130 #define ISCSI_PAGE_SIZE_1K (2) 131 #define ISCSI_PAGE_SIZE_2K (3) 132 #define ISCSI_PAGE_SIZE_4K (4) 133 #define ISCSI_PAGE_SIZE_8K (5) 134 #define ISCSI_PAGE_SIZE_16K (6) 135 #define ISCSI_PAGE_SIZE_32K (7) 136 #define ISCSI_PAGE_SIZE_64K (8) 137 #define ISCSI_PAGE_SIZE_128K (9) 138 #define ISCSI_PAGE_SIZE_256K (10) 139 #define ISCSI_PAGE_SIZE_512K (11) 140 #define ISCSI_PAGE_SIZE_1M (12) 141 #define ISCSI_PAGE_SIZE_2M (13) 142 #define ISCSI_PAGE_SIZE_4M (14) 143 #define ISCSI_PAGE_SIZE_8M (15) 144 145 /* Iscsi PDU related defines */ 146 #define ISCSI_HEADER_SIZE (48) 147 #define ISCSI_DIGEST_SHIFT (2) 148 #define ISCSI_DIGEST_SIZE (4) 149 150 /* Everest iSCSI connection type */ 151 #define B577XX_ISCSI_CONNECTION_TYPE (3) 152 153 #endif /*__57XX_ISCSI_CONSTANTS_H_ */ 154 155