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_ */ 162