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1/* 57xx_iscsi_constants.h: QLogic NetXtreme II iSCSI HSI2 *3 * Copyright (c) 2006 - 2013 Broadcom Corporation4 * Copyright (c) 2014, QLogic Corporation5 *6 * This program is free software; you can redistribute it and/or modify7 * it under the terms of the GNU General Public License as published by8 * 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.com13 */14#ifndef __57XX_ISCSI_CONSTANTS_H_15#define __57XX_ISCSI_CONSTANTS_H_16 17/**18* This file defines HSI constants for the iSCSI flows19*/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 0xFFFF135 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 3160 161#endif /*__57XX_ISCSI_CONSTANTS_H_ */162