zfcp_fsf.h

linux-2.6.15.6

/* 
 * 
 * linux/drivers/s390/scsi/zfcp_fsf.h
 * 
 * FCP adapter driver for IBM eServer zSeries 
 * 
 * (C) Copyright IBM Corp. 2002, 2004
 *
 * Author(s): Martin Peschke <[e-mail]> 
 *            Raimund Schroeder <[e-mail]> 
 *            Aron Zeh
 *            Wolfgang Taphorn
 *            Stefan Bader <[e-mail]> 
 *            Heiko Carstens <[e-mail]>
 *            Andreas Herrmann <[e-mail]>
 *            Volker Sameske <[e-mail]>
 * 
 * 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; either version 2, or (at your option) 
 * any later version. 
 * 
 * This program is distributed in the hope that it will be useful, 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 * GNU General Public License for more details. 
 * 
 * You should have received a copy of the GNU General Public License 
 * along with this program; if not, write to the Free Software 
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
 */

#ifndef FSF_H
#define FSF_H

#define FSF_QTCB_VERSION1			0x00000001
#define FSF_QTCB_CURRENT_VERSION		FSF_QTCB_VERSION1

/* FSF commands */
#define	FSF_QTCB_FCP_CMND			0x00000001
#define	FSF_QTCB_ABORT_FCP_CMND			0x00000002
#define	FSF_QTCB_OPEN_PORT_WITH_DID		0x00000005
#define	FSF_QTCB_OPEN_LUN			0x00000006
#define	FSF_QTCB_CLOSE_LUN			0x00000007
#define	FSF_QTCB_CLOSE_PORT			0x00000008
#define	FSF_QTCB_CLOSE_PHYSICAL_PORT		0x00000009
#define	FSF_QTCB_SEND_ELS			0x0000000B
#define	FSF_QTCB_SEND_GENERIC			0x0000000C
#define	FSF_QTCB_EXCHANGE_CONFIG_DATA		0x0000000D
#define	FSF_QTCB_EXCHANGE_PORT_DATA		0x0000000E
#define FSF_QTCB_DOWNLOAD_CONTROL_FILE		0x00000012
#define FSF_QTCB_UPLOAD_CONTROL_FILE		0x00000013

/* FSF QTCB types */
#define FSF_IO_COMMAND				0x00000001
#define FSF_SUPPORT_COMMAND			0x00000002
#define FSF_CONFIG_COMMAND			0x00000003
#define FSF_PORT_COMMAND			0x00000004

/* FSF control file upload/download operations' subtype and options */
#define FSF_CFDC_OPERATION_SUBTYPE		0x00020001
#define FSF_CFDC_OPTION_NORMAL_MODE		0x00000000
#define FSF_CFDC_OPTION_FORCE			0x00000001
#define FSF_CFDC_OPTION_FULL_ACCESS		0x00000002
#define FSF_CFDC_OPTION_RESTRICTED_ACCESS	0x00000004

/* FSF protocol stati */
#define FSF_PROT_GOOD				0x00000001
#define FSF_PROT_QTCB_VERSION_ERROR		0x00000010
#define FSF_PROT_SEQ_NUMB_ERROR			0x00000020
#define FSF_PROT_UNSUPP_QTCB_TYPE		0x00000040
#define FSF_PROT_HOST_CONNECTION_INITIALIZING	0x00000080
#define FSF_PROT_FSF_STATUS_PRESENTED		0x00000100
#define FSF_PROT_DUPLICATE_REQUEST_ID		0x00000200
#define FSF_PROT_LINK_DOWN                      0x00000400
#define FSF_PROT_REEST_QUEUE                    0x00000800
#define FSF_PROT_ERROR_STATE			0x01000000

/* FSF stati */
#define FSF_GOOD				0x00000000
#define FSF_PORT_ALREADY_OPEN			0x00000001
#define FSF_LUN_ALREADY_OPEN			0x00000002
#define FSF_PORT_HANDLE_NOT_VALID		0x00000003
#define FSF_LUN_HANDLE_NOT_VALID		0x00000004
#define FSF_HANDLE_MISMATCH			0x00000005
#define FSF_SERVICE_CLASS_NOT_SUPPORTED		0x00000006
#define FSF_FCPLUN_NOT_VALID			0x00000009
#define FSF_ACCESS_DENIED			0x00000010
#define FSF_LUN_SHARING_VIOLATION               0x00000012
#define FSF_FCP_COMMAND_DOES_NOT_EXIST		0x00000022
#define FSF_DIRECTION_INDICATOR_NOT_VALID	0x00000030
#define FSF_CMND_LENGTH_NOT_VALID		0x00000033
#define FSF_MAXIMUM_NUMBER_OF_PORTS_EXCEEDED	0x00000040
#define FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED	0x00000041
#define FSF_ELS_COMMAND_REJECTED		0x00000050
#define FSF_GENERIC_COMMAND_REJECTED		0x00000051
#define FSF_OPERATION_PARTIALLY_SUCCESSFUL	0x00000052
#define FSF_AUTHORIZATION_FAILURE		0x00000053
#define FSF_CFDC_ERROR_DETECTED			0x00000054
#define FSF_CONTROL_FILE_UPDATE_ERROR		0x00000055
#define FSF_CONTROL_FILE_TOO_LARGE		0x00000056
#define FSF_ACCESS_CONFLICT_DETECTED		0x00000057
#define FSF_CONFLICTS_OVERRULED			0x00000058
#define FSF_PORT_BOXED				0x00000059
#define FSF_LUN_BOXED				0x0000005A
#define FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE	0x0000005B
#define FSF_PAYLOAD_SIZE_MISMATCH		0x00000060
#define FSF_REQUEST_SIZE_TOO_LARGE		0x00000061
#define FSF_RESPONSE_SIZE_TOO_LARGE		0x00000062
#define FSF_SBAL_MISMATCH			0x00000063
#define FSF_OPEN_PORT_WITHOUT_PRLI		0x00000064
#define FSF_ADAPTER_STATUS_AVAILABLE		0x000000AD
#define FSF_FCP_RSP_AVAILABLE			0x000000AF
#define FSF_UNKNOWN_COMMAND			0x000000E2
#define FSF_UNKNOWN_OP_SUBTYPE                  0x000000E3
#define FSF_INVALID_COMMAND_OPTION              0x000000E5
/* #define FSF_ERROR                             0x000000FF  */

#define FSF_PROT_STATUS_QUAL_SIZE		16
#define FSF_STATUS_QUALIFIER_SIZE		16

/* FSF status qualifier, recommendations */
#define FSF_SQ_NO_RECOM				0x00
#define FSF_SQ_FCP_RSP_AVAILABLE		0x01
#define FSF_SQ_RETRY_IF_POSSIBLE		0x02
#define FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED	0x03
#define FSF_SQ_INVOKE_LINK_TEST_PROCEDURE	0x04
#define FSF_SQ_ULP_PROGRAMMING_ERROR		0x05
#define FSF_SQ_COMMAND_ABORTED			0x06
#define FSF_SQ_NO_RETRY_POSSIBLE		0x07

/* FSF status qualifier for CFDC commands */
#define FSF_SQ_CFDC_HARDENED_ON_SE		0x00000000
#define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE	0x00000001
#define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE2	0x00000002
/* CFDC subtable codes */
#define FSF_SQ_CFDC_SUBTABLE_OS			0x0001
#define FSF_SQ_CFDC_SUBTABLE_PORT_WWPN		0x0002
#define FSF_SQ_CFDC_SUBTABLE_PORT_DID		0x0003
#define FSF_SQ_CFDC_SUBTABLE_LUN		0x0004

/* FSF status qualifier (most significant 4 bytes), local link down */
#define FSF_PSQ_LINK_NO_LIGHT			0x00000004
#define FSF_PSQ_LINK_WRAP_PLUG			0x00000008
#define FSF_PSQ_LINK_NO_FCP			0x00000010
#define FSF_PSQ_LINK_FIRMWARE_UPDATE		0x00000020
#define FSF_PSQ_LINK_INVALID_WWPN		0x00000100
#define FSF_PSQ_LINK_NO_NPIV_SUPPORT		0x00000200
#define FSF_PSQ_LINK_NO_FCP_RESOURCES		0x00000400
#define FSF_PSQ_LINK_NO_FABRIC_RESOURCES	0x00000800
#define FSF_PSQ_LINK_FABRIC_LOGIN_UNABLE	0x00001000
#define FSF_PSQ_LINK_WWPN_ASSIGNMENT_CORRUPTED	0x00002000
#define FSF_PSQ_LINK_MODE_TABLE_CURRUPTED	0x00004000
#define FSF_PSQ_LINK_NO_WWPN_ASSIGNMENT		0x00008000

/* payload size in status read buffer */
#define FSF_STATUS_READ_PAYLOAD_SIZE		4032

/* number of status read buffers that should be sent by ULP */
#define FSF_STATUS_READS_RECOM			16

/* status types in status read buffer */
#define FSF_STATUS_READ_PORT_CLOSED		0x00000001
#define FSF_STATUS_READ_INCOMING_ELS		0x00000002
#define FSF_STATUS_READ_SENSE_DATA_AVAIL        0x00000003
#define FSF_STATUS_READ_BIT_ERROR_THRESHOLD	0x00000004
#define FSF_STATUS_READ_LINK_DOWN		0x00000005
#define FSF_STATUS_READ_LINK_UP          	0x00000006
#define FSF_STATUS_READ_CFDC_UPDATED		0x0000000A
#define FSF_STATUS_READ_CFDC_HARDENED		0x0000000B
#define FSF_STATUS_READ_FEATURE_UPDATE_ALERT	0x0000000C

/* status subtypes in status read buffer */
#define FSF_STATUS_READ_SUB_CLOSE_PHYS_PORT	0x00000001
#define FSF_STATUS_READ_SUB_ERROR_PORT		0x00000002

/* status subtypes for link down */
#define FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK	0x00000000
#define FSF_STATUS_READ_SUB_FDISC_FAILED	0x00000001
#define FSF_STATUS_READ_SUB_FIRMWARE_UPDATE	0x00000002

/* status subtypes for CFDC */
#define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE	0x00000002
#define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE2 0x0000000F

/* topologie that is detected by the adapter */
#define FSF_TOPO_ERROR				0x00000000
#define FSF_TOPO_P2P				0x00000001
#define FSF_TOPO_FABRIC				0x00000002
#define FSF_TOPO_AL				0x00000003
#define FSF_TOPO_FABRIC_VIRT			0x00000004

/* data direction for FCP commands */
#define FSF_DATADIR_WRITE			0x00000001
#define FSF_DATADIR_READ			0x00000002
#define FSF_DATADIR_READ_WRITE			0x00000003
#define FSF_DATADIR_CMND			0x00000004

/* fc service class */
#define FSF_CLASS_1				0x00000001
#define FSF_CLASS_2				0x00000002
#define FSF_CLASS_3				0x00000003

/* SBAL chaining */
#define FSF_MAX_SBALS_PER_REQ			36
#define FSF_MAX_SBALS_PER_ELS_REQ		2

/* logging space behind QTCB */
#define FSF_QTCB_LOG_SIZE			1024

/* channel features */
#define FSF_FEATURE_CFDC			0x00000002
#define FSF_FEATURE_LUN_SHARING			0x00000004
#define FSF_FEATURE_HBAAPI_MANAGEMENT           0x00000010
#define FSF_FEATURE_ELS_CT_CHAINED_SBALS        0x00000020
#define FSF_FEATURE_UPDATE_ALERT		0x00000100

/* host connection features */
#define FSF_FEATURE_NPIV_MODE			0x00000001
#define FSF_FEATURE_VM_ASSIGNED_WWPN		0x00000002

/* option */
#define FSF_OPEN_LUN_SUPPRESS_BOXING		0x00000001
#define FSF_OPEN_LUN_REPLICATE_SENSE		0x00000002

/* adapter types */
#define FSF_ADAPTER_TYPE_FICON                  0x00000001
#define FSF_ADAPTER_TYPE_FICON_EXPRESS          0x00000002

/* port types */
#define FSF_HBA_PORTTYPE_UNKNOWN		0x00000001
#define FSF_HBA_PORTTYPE_NOTPRESENT		0x00000003
#define FSF_HBA_PORTTYPE_NPORT			0x00000005
#define FSF_HBA_PORTTYPE_PTP			0x00000021
/* following are not defined and used by FSF Spec
   but are additionally defined by FC-HBA */
#define FSF_HBA_PORTTYPE_OTHER			0x00000002
#define FSF_HBA_PORTTYPE_NOTPRESENT		0x00000003
#define FSF_HBA_PORTTYPE_NLPORT			0x00000006
#define FSF_HBA_PORTTYPE_FLPORT			0x00000007
#define FSF_HBA_PORTTYPE_FPORT			0x00000008
#define FSF_HBA_PORTTYPE_LPORT			0x00000020

/* port states */
#define FSF_HBA_PORTSTATE_UNKNOWN		0x00000001
#define FSF_HBA_PORTSTATE_ONLINE		0x00000002
#define FSF_HBA_PORTSTATE_OFFLINE		0x00000003
#define FSF_HBA_PORTSTATE_LINKDOWN		0x00000006
#define FSF_HBA_PORTSTATE_ERROR			0x00000007

/* IO states of adapter */
#define FSF_IOSTAT_NPORT_RJT			0x00000004
#define FSF_IOSTAT_FABRIC_RJT			0x00000005