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