162 lines
7.1 KiB
C
162 lines
7.1 KiB
C
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/* 57xx_iscsi_constants.h: QLogic NetXtreme II iSCSI HSI
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*
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* Copyright (c) 2006 - 2013 Broadcom Corporation
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* Copyright (c) 2014, QLogic Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation.
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*
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* Written by: Anil Veerabhadrappa (anilgv@broadcom.com)
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* Previously Maintained by: Eddie Wai (eddie.wai@broadcom.com)
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* Maintained by: QLogic-Storage-Upstream@qlogic.com
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*/
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#ifndef __57XX_ISCSI_CONSTANTS_H_
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#define __57XX_ISCSI_CONSTANTS_H_
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/**
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* This file defines HSI constants for the iSCSI flows
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*/
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/* iSCSI request op codes */
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#define ISCSI_OPCODE_CLEANUP_REQUEST (7)
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/* iSCSI response/messages op codes */
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#define ISCSI_OPCODE_CLEANUP_RESPONSE (0x27)
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#define ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION (0)
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/* iSCSI task types */
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#define ISCSI_TASK_TYPE_READ (0)
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#define ISCSI_TASK_TYPE_WRITE (1)
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#define ISCSI_TASK_TYPE_MPATH (2)
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/* initial CQ sequence numbers */
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#define ISCSI_INITIAL_SN (1)
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/* KWQ (kernel work queue) layer codes */
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#define ISCSI_KWQE_LAYER_CODE (6)
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/* KWQ (kernel work queue) request op codes */
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#define ISCSI_KWQE_OPCODE_OFFLOAD_CONN1 (0)
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#define ISCSI_KWQE_OPCODE_OFFLOAD_CONN2 (1)
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#define ISCSI_KWQE_OPCODE_UPDATE_CONN (2)
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#define ISCSI_KWQE_OPCODE_DESTROY_CONN (3)
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#define ISCSI_KWQE_OPCODE_INIT1 (4)
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#define ISCSI_KWQE_OPCODE_INIT2 (5)
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/* KCQ (kernel completion queue) response op codes */
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#define ISCSI_KCQE_OPCODE_OFFLOAD_CONN (0x10)
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#define ISCSI_KCQE_OPCODE_UPDATE_CONN (0x12)
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#define ISCSI_KCQE_OPCODE_DESTROY_CONN (0x13)
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#define ISCSI_KCQE_OPCODE_INIT (0x14)
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#define ISCSI_KCQE_OPCODE_FW_CLEAN_TASK (0x15)
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#define ISCSI_KCQE_OPCODE_TCP_RESET (0x16)
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#define ISCSI_KCQE_OPCODE_TCP_SYN (0x17)
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#define ISCSI_KCQE_OPCODE_TCP_FIN (0X18)
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#define ISCSI_KCQE_OPCODE_TCP_ERROR (0x19)
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#define ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20)
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#define ISCSI_KCQE_OPCODE_ISCSI_ERROR (0x21)
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/* KCQ (kernel completion queue) completion status */
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#define ISCSI_KCQE_COMPLETION_STATUS_SUCCESS (0x0)
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#define ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x1)
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#define ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x2)
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#define ISCSI_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x3)
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#define ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR (0x4)
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#define ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR (0x5)
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#define ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR (0x6)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_UNEXPECTED_OPCODE (0xa)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE (0xb)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN (0xc)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT (0xd)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN (0xe)
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/* Response */
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN (0xf)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T (0x10)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_IS_ZERO (0x2c)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG (0x2d)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0 (0x11)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1 (0x12)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2 (0x13)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3 (0x14)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4 (0x15)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5 (0x16)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6 (0x17)
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/* Data-In */
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN (0x18)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN (0x19)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO (0x1a)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV (0x1b)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN (0x1c)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN (0x1d)
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/* R2T */
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF (0x1f)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN (0x20)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN (0x21)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 (0x22)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 (0x23)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED (0x24)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV (0x25)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN (0x26)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO (0x27)
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/* TMF */
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN (0x28)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN (0x29)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN (0x2a)
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#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP (0x2b)
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/* IP/TCP processing errors: */
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#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT (0x40)
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#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS (0x41)
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#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG (0x42)
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#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_RTRANS (0x43)
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/* iSCSI licensing errors */
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/* general iSCSI license not installed */
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#define ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED (0x50)
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/* additional LOM specific iSCSI license not installed */
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#define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED (0x51)
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#define ISCSI_KCQE_COMPLETION_STATUS_CID_BUSY (0x80)
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#define ISCSI_KCQE_COMPLETION_STATUS_PARITY_ERR (0x81)
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/* SQ/RQ/CQ DB structure sizes */
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#define ISCSI_SQ_DB_SIZE (16)
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#define ISCSI_RQ_DB_SIZE (64)
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#define ISCSI_CQ_DB_SIZE (80)
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#define ISCSI_SQN_TO_NOTIFY_NOT_VALID 0xFFFF
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/* Page size codes (for flags field in connection offload request) */
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#define ISCSI_PAGE_SIZE_256 (0)
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#define ISCSI_PAGE_SIZE_512 (1)
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#define ISCSI_PAGE_SIZE_1K (2)
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#define ISCSI_PAGE_SIZE_2K (3)
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#define ISCSI_PAGE_SIZE_4K (4)
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#define ISCSI_PAGE_SIZE_8K (5)
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#define ISCSI_PAGE_SIZE_16K (6)
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#define ISCSI_PAGE_SIZE_32K (7)
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#define ISCSI_PAGE_SIZE_64K (8)
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#define ISCSI_PAGE_SIZE_128K (9)
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#define ISCSI_PAGE_SIZE_256K (10)
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#define ISCSI_PAGE_SIZE_512K (11)
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#define ISCSI_PAGE_SIZE_1M (12)
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#define ISCSI_PAGE_SIZE_2M (13)
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#define ISCSI_PAGE_SIZE_4M (14)
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#define ISCSI_PAGE_SIZE_8M (15)
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/* Iscsi PDU related defines */
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#define ISCSI_HEADER_SIZE (48)
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#define ISCSI_DIGEST_SHIFT (2)
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#define ISCSI_DIGEST_SIZE (4)
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#define B577XX_ISCSI_CONNECTION_TYPE 3
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#endif /*__57XX_ISCSI_CONSTANTS_H_ */
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