1/* 57xx_iscsi_constants.h: Broadcom NetXtreme II iSCSI HSI 2 * 3 * Copyright (c) 2006 - 2009 Broadcom Corporation 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation. 8 * 9 * Written by: Anil Veerabhadrappa (anilgv@broadcom.com) 10 */ 11#ifndef __57XX_ISCSI_CONSTANTS_H_ 12#define __57XX_ISCSI_CONSTANTS_H_ 13 14/** 15* This file defines HSI constants for the iSCSI flows 16*/ 17 18/* iSCSI request op codes */ 19#define ISCSI_OPCODE_CLEANUP_REQUEST (7) 20 21/* iSCSI response/messages op codes */ 22#define ISCSI_OPCODE_CLEANUP_RESPONSE (0x27) 23#define ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION (0) 24 25/* iSCSI task types */ 26#define ISCSI_TASK_TYPE_READ (0) 27#define ISCSI_TASK_TYPE_WRITE (1) 28#define ISCSI_TASK_TYPE_MPATH (2) 29 30/* initial CQ sequence numbers */ 31#define ISCSI_INITIAL_SN (1) 32 33/* KWQ (kernel work queue) layer codes */ 34#define ISCSI_KWQE_LAYER_CODE (6) 35 36/* KWQ (kernel work queue) request op codes */ 37#define ISCSI_KWQE_OPCODE_OFFLOAD_CONN1 (0) 38#define ISCSI_KWQE_OPCODE_OFFLOAD_CONN2 (1) 39#define ISCSI_KWQE_OPCODE_UPDATE_CONN (2) 40#define ISCSI_KWQE_OPCODE_DESTROY_CONN (3) 41#define ISCSI_KWQE_OPCODE_INIT1 (4) 42#define ISCSI_KWQE_OPCODE_INIT2 (5) 43 44/* KCQ (kernel completion queue) response op codes */ 45#define ISCSI_KCQE_OPCODE_OFFLOAD_CONN (0x10) 46#define ISCSI_KCQE_OPCODE_UPDATE_CONN (0x12) 47#define ISCSI_KCQE_OPCODE_DESTROY_CONN (0x13) 48#define ISCSI_KCQE_OPCODE_INIT (0x14) 49#define ISCSI_KCQE_OPCODE_FW_CLEAN_TASK (0x15) 50#define ISCSI_KCQE_OPCODE_TCP_RESET (0x16) 51#define ISCSI_KCQE_OPCODE_TCP_SYN (0x17) 52#define ISCSI_KCQE_OPCODE_TCP_FIN (0X18) 53#define ISCSI_KCQE_OPCODE_TCP_ERROR (0x19) 54#define ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20) 55#define ISCSI_KCQE_OPCODE_ISCSI_ERROR (0x21) 56 57/* KCQ (kernel completion queue) completion status */ 58#define ISCSI_KCQE_COMPLETION_STATUS_SUCCESS (0x0) 59#define ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x1) 60#define ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x2) 61#define ISCSI_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x3) 62#define ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR (0x4) 63 64#define ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR (0x5) 65#define ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR (0x6) 66 67#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_UNEXPECTED_OPCODE (0xa) 68#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE (0xb) 69#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN (0xc) 70#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT (0xd) 71#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN (0xe) 72 73/* Response */ 74#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN (0xf) 75#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T (0x10) 76#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_IS_ZERO (0x2c) 77#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG (0x2d) 78#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0 (0x11) 79#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1 (0x12) 80#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2 (0x13) 81#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3 (0x14) 82#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4 (0x15) 83#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5 (0x16) 84#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6 (0x17) 85 86/* Data-In */ 87#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN (0x18) 88#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN (0x19) 89#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO (0x1a) 90#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV (0x1b) 91#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN (0x1c) 92#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN (0x1d) 93 94/* R2T */ 95#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF (0x1f) 96#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN (0x20) 97#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN (0x21) 98#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 (0x22) 99#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 (0x23) 100#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED (0x24) 101#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV (0x25) 102#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN (0x26) 103#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO (0x27) 104 105/* TMF */ 106#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN (0x28) 107#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN (0x29) 108#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN (0x2a) 109#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP (0x2b) 110 111/* IP/TCP processing errors: */ 112#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT (0x40) 113#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS (0x41) 114#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG (0x42) 115#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_RTRANS (0x43) 116 117/* iSCSI licensing errors */ 118/* general iSCSI license not installed */ 119#define ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED (0x50) 120/* additional LOM specific iSCSI license not installed */ 121#define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED (0x51) 122 123/* SQ/RQ/CQ DB structure sizes */ 124#define ISCSI_SQ_DB_SIZE (16) 125#define ISCSI_RQ_DB_SIZE (16) 126#define ISCSI_CQ_DB_SIZE (80) 127 128#define ISCSI_SQN_TO_NOTIFY_NOT_VALID 0xFFFF 129 130/* Page size codes (for flags field in connection offload request) */ 131#define ISCSI_PAGE_SIZE_256 (0) 132#define ISCSI_PAGE_SIZE_512 (1) 133#define ISCSI_PAGE_SIZE_1K (2) 134#define ISCSI_PAGE_SIZE_2K (3) 135#define ISCSI_PAGE_SIZE_4K (4) 136#define ISCSI_PAGE_SIZE_8K (5) 137#define ISCSI_PAGE_SIZE_16K (6) 138#define ISCSI_PAGE_SIZE_32K (7) 139#define ISCSI_PAGE_SIZE_64K (8) 140#define ISCSI_PAGE_SIZE_128K (9) 141#define ISCSI_PAGE_SIZE_256K (10) 142#define ISCSI_PAGE_SIZE_512K (11) 143#define ISCSI_PAGE_SIZE_1M (12) 144#define ISCSI_PAGE_SIZE_2M (13) 145#define ISCSI_PAGE_SIZE_4M (14) 146#define ISCSI_PAGE_SIZE_8M (15) 147 148/* Iscsi PDU related defines */ 149#define ISCSI_HEADER_SIZE (48) 150#define ISCSI_DIGEST_SHIFT (2) 151#define ISCSI_DIGEST_SIZE (4) 152 153#define B577XX_ISCSI_CONNECTION_TYPE 3 154 155#endif /*__57XX_ISCSI_CONSTANTS_H_ */ 156