297 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			297 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef ISCSI_PARAMETERS_H
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#define ISCSI_PARAMETERS_H
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#include <linux/types.h>
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#include <scsi/iscsi_proto.h>
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struct iscsi_extra_response {
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	char key[KEY_MAXLEN];
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	char value[32];
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	struct list_head er_list;
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} ____cacheline_aligned;
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struct iscsi_param {
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	char *name;
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	char *value;
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	u8 set_param;
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	u8 phase;
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	u8 scope;
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	u8 sender;
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	u8 type;
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	u8 use;
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	u16 type_range;
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	u32 state;
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	struct list_head p_list;
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} ____cacheline_aligned;
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struct iscsi_conn;
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struct iscsi_conn_ops;
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struct iscsi_param_list;
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struct iscsi_sess_ops;
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extern int iscsi_login_rx_data(struct iscsi_conn *, char *, int);
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extern int iscsi_login_tx_data(struct iscsi_conn *, char *, char *, int);
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extern void iscsi_dump_conn_ops(struct iscsi_conn_ops *);
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extern void iscsi_dump_sess_ops(struct iscsi_sess_ops *);
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extern void iscsi_print_params(struct iscsi_param_list *);
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extern int iscsi_create_default_params(struct iscsi_param_list **);
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extern int iscsi_set_keys_to_negotiate(struct iscsi_param_list *, bool);
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extern int iscsi_set_keys_irrelevant_for_discovery(struct iscsi_param_list *);
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extern int iscsi_copy_param_list(struct iscsi_param_list **,
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			struct iscsi_param_list *, int);
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extern int iscsi_change_param_value(char *, struct iscsi_param_list *, int);
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extern void iscsi_release_param_list(struct iscsi_param_list *);
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extern struct iscsi_param *iscsi_find_param_from_key(char *, struct iscsi_param_list *);
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extern int iscsi_extract_key_value(char *, char **, char **);
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extern int iscsi_update_param_value(struct iscsi_param *, char *);
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extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_conn *);
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extern int iscsi_encode_text_output(u8, u8, char *, u32 *,
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			struct iscsi_param_list *, bool);
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extern int iscsi_check_negotiated_keys(struct iscsi_param_list *);
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extern void iscsi_set_connection_parameters(struct iscsi_conn_ops *,
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			struct iscsi_param_list *);
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extern void iscsi_set_session_parameters(struct iscsi_sess_ops *,
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			struct iscsi_param_list *, int);
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#define YES				"Yes"
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#define NO				"No"
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#define ALL				"All"
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#define IRRELEVANT			"Irrelevant"
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#define NONE				"None"
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#define NOTUNDERSTOOD			"NotUnderstood"
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#define REJECT				"Reject"
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/*
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 * The Parameter Names.
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 */
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#define AUTHMETHOD			"AuthMethod"
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#define HEADERDIGEST			"HeaderDigest"
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#define DATADIGEST			"DataDigest"
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#define MAXCONNECTIONS			"MaxConnections"
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#define SENDTARGETS			"SendTargets"
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#define TARGETNAME			"TargetName"
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#define INITIATORNAME			"InitiatorName"
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#define TARGETALIAS			"TargetAlias"
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#define INITIATORALIAS			"InitiatorAlias"
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#define TARGETADDRESS			"TargetAddress"
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#define TARGETPORTALGROUPTAG		"TargetPortalGroupTag"
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#define INITIALR2T			"InitialR2T"
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#define IMMEDIATEDATA			"ImmediateData"
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#define MAXRECVDATASEGMENTLENGTH	"MaxRecvDataSegmentLength"
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#define MAXXMITDATASEGMENTLENGTH	"MaxXmitDataSegmentLength"
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#define MAXBURSTLENGTH			"MaxBurstLength"
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#define FIRSTBURSTLENGTH		"FirstBurstLength"
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#define DEFAULTTIME2WAIT		"DefaultTime2Wait"
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#define DEFAULTTIME2RETAIN		"DefaultTime2Retain"
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#define MAXOUTSTANDINGR2T		"MaxOutstandingR2T"
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#define DATAPDUINORDER			"DataPDUInOrder"
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#define DATASEQUENCEINORDER		"DataSequenceInOrder"
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#define ERRORRECOVERYLEVEL		"ErrorRecoveryLevel"
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#define SESSIONTYPE			"SessionType"
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#define IFMARKER			"IFMarker"
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#define OFMARKER			"OFMarker"
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#define IFMARKINT			"IFMarkInt"
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#define OFMARKINT			"OFMarkInt"
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#define X_EXTENSIONKEY			"X-com.sbei.version"
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#define X_EXTENSIONKEY_CISCO_NEW	"X-com.cisco.protocol"
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#define X_EXTENSIONKEY_CISCO_OLD	"X-com.cisco.iscsi.draft"
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/*
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 * Parameter names of iSCSI Extentions for RDMA (iSER).  See RFC-5046
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 */
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#define RDMAEXTENSIONS			"RDMAExtensions"
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#define INITIATORRECVDATASEGMENTLENGTH	"InitiatorRecvDataSegmentLength"
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#define TARGETRECVDATASEGMENTLENGTH	"TargetRecvDataSegmentLength"
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/*
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 * For AuthMethod.
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 */
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#define KRB5				"KRB5"
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#define SPKM1				"SPKM1"
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#define SPKM2				"SPKM2"
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#define SRP				"SRP"
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#define CHAP				"CHAP"
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/*
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 * Initial values for Parameter Negotiation.
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 */
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#define INITIAL_AUTHMETHOD			CHAP
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#define INITIAL_HEADERDIGEST			"CRC32C,None"
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#define INITIAL_DATADIGEST			"CRC32C,None"
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#define INITIAL_MAXCONNECTIONS			"1"
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#define INITIAL_SENDTARGETS			ALL
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#define INITIAL_TARGETNAME			"LIO.Target"
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#define INITIAL_INITIATORNAME			"LIO.Initiator"
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#define INITIAL_TARGETALIAS			"LIO Target"
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#define INITIAL_INITIATORALIAS			"LIO Initiator"
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#define INITIAL_TARGETADDRESS			"0.0.0.0:0000,0"
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#define INITIAL_TARGETPORTALGROUPTAG		"1"
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#define INITIAL_INITIALR2T			YES
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#define INITIAL_IMMEDIATEDATA			YES
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#define INITIAL_MAXRECVDATASEGMENTLENGTH	"8192"
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/*
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 * Match outgoing MXDSL default to incoming Open-iSCSI default
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 */
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#define INITIAL_MAXXMITDATASEGMENTLENGTH	"262144"
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#define INITIAL_MAXBURSTLENGTH			"262144"
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#define INITIAL_FIRSTBURSTLENGTH		"65536"
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#define INITIAL_DEFAULTTIME2WAIT		"2"
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#define INITIAL_DEFAULTTIME2RETAIN		"20"
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#define INITIAL_MAXOUTSTANDINGR2T		"1"
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#define INITIAL_DATAPDUINORDER			YES
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#define INITIAL_DATASEQUENCEINORDER		YES
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#define INITIAL_ERRORRECOVERYLEVEL		"0"
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#define INITIAL_SESSIONTYPE			NORMAL
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#define INITIAL_IFMARKER			NO
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#define INITIAL_OFMARKER			NO
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#define INITIAL_IFMARKINT			REJECT
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#define INITIAL_OFMARKINT			REJECT
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/*
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 * Initial values for iSER parameters following RFC-5046 Section 6
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 */
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#define INITIAL_RDMAEXTENSIONS			NO
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#define INITIAL_INITIATORRECVDATASEGMENTLENGTH	"262144"
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#define INITIAL_TARGETRECVDATASEGMENTLENGTH	"8192"
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/*
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 * For [Header,Data]Digests.
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 */
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#define CRC32C				"CRC32C"
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/*
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 * For SessionType.
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 */
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#define DISCOVERY			"Discovery"
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#define NORMAL				"Normal"
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/*
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 * struct iscsi_param->use
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 */
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#define USE_LEADING_ONLY		0x01
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#define USE_INITIAL_ONLY		0x02
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#define USE_ALL				0x04
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#define IS_USE_LEADING_ONLY(p)		((p)->use & USE_LEADING_ONLY)
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#define IS_USE_INITIAL_ONLY(p)		((p)->use & USE_INITIAL_ONLY)
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#define IS_USE_ALL(p)			((p)->use & USE_ALL)
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#define SET_USE_INITIAL_ONLY(p)		((p)->use |= USE_INITIAL_ONLY)
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/*
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 * struct iscsi_param->sender
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 */
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#define	SENDER_INITIATOR		0x01
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#define SENDER_TARGET			0x02
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#define SENDER_BOTH			0x03
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/* Used in iscsi_check_key() */
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#define SENDER_RECEIVER			0x04
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#define IS_SENDER_INITIATOR(p)		((p)->sender & SENDER_INITIATOR)
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#define IS_SENDER_TARGET(p)		((p)->sender & SENDER_TARGET)
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#define IS_SENDER_BOTH(p)		((p)->sender & SENDER_BOTH)
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/*
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 * struct iscsi_param->scope
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 */
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#define SCOPE_CONNECTION_ONLY		0x01
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#define SCOPE_SESSION_WIDE		0x02
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#define IS_SCOPE_CONNECTION_ONLY(p)	((p)->scope & SCOPE_CONNECTION_ONLY)
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#define IS_SCOPE_SESSION_WIDE(p)	((p)->scope & SCOPE_SESSION_WIDE)
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/*
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 * struct iscsi_param->phase
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 */
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#define PHASE_SECURITY			0x01
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#define PHASE_OPERATIONAL		0x02
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#define PHASE_DECLARATIVE		0x04
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#define PHASE_FFP0			0x08
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#define IS_PHASE_SECURITY(p)		((p)->phase & PHASE_SECURITY)
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#define IS_PHASE_OPERATIONAL(p)		((p)->phase & PHASE_OPERATIONAL)
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#define IS_PHASE_DECLARATIVE(p)		((p)->phase & PHASE_DECLARATIVE)
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#define IS_PHASE_FFP0(p)		((p)->phase & PHASE_FFP0)
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/*
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 * struct iscsi_param->type
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 */
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#define TYPE_BOOL_AND			0x01
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#define TYPE_BOOL_OR			0x02
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#define TYPE_NUMBER			0x04
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#define TYPE_NUMBER_RANGE		0x08
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#define TYPE_STRING			0x10
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#define TYPE_VALUE_LIST			0x20
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#define IS_TYPE_BOOL_AND(p)		((p)->type & TYPE_BOOL_AND)
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#define IS_TYPE_BOOL_OR(p)		((p)->type & TYPE_BOOL_OR)
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#define IS_TYPE_NUMBER(p)		((p)->type & TYPE_NUMBER)
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#define IS_TYPE_NUMBER_RANGE(p)		((p)->type & TYPE_NUMBER_RANGE)
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#define IS_TYPE_STRING(p)		((p)->type & TYPE_STRING)
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#define IS_TYPE_VALUE_LIST(p)		((p)->type & TYPE_VALUE_LIST)
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/*
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 * struct iscsi_param->type_range
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 */
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#define TYPERANGE_BOOL_AND		0x0001
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#define TYPERANGE_BOOL_OR		0x0002
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#define TYPERANGE_0_TO_2		0x0004
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#define TYPERANGE_0_TO_3600		0x0008
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#define TYPERANGE_0_TO_32767		0x0010
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#define TYPERANGE_0_TO_65535		0x0020
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#define TYPERANGE_1_TO_65535		0x0040
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#define TYPERANGE_2_TO_3600		0x0080
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#define TYPERANGE_512_TO_16777215	0x0100
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#define TYPERANGE_AUTH			0x0200
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#define TYPERANGE_DIGEST		0x0400
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#define TYPERANGE_ISCSINAME		0x0800
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#define TYPERANGE_SESSIONTYPE		0x1000
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#define TYPERANGE_TARGETADDRESS		0x2000
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#define TYPERANGE_UTF8			0x4000
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#define IS_TYPERANGE_0_TO_2(p)		((p)->type_range & TYPERANGE_0_TO_2)
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#define IS_TYPERANGE_0_TO_3600(p)	((p)->type_range & TYPERANGE_0_TO_3600)
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#define IS_TYPERANGE_0_TO_32767(p)	((p)->type_range & TYPERANGE_0_TO_32767)
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#define IS_TYPERANGE_0_TO_65535(p)	((p)->type_range & TYPERANGE_0_TO_65535)
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#define IS_TYPERANGE_1_TO_65535(p)	((p)->type_range & TYPERANGE_1_TO_65535)
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#define IS_TYPERANGE_2_TO_3600(p)	((p)->type_range & TYPERANGE_2_TO_3600)
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#define IS_TYPERANGE_512_TO_16777215(p)	((p)->type_range & \
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						TYPERANGE_512_TO_16777215)
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#define IS_TYPERANGE_AUTH_PARAM(p)	((p)->type_range & TYPERANGE_AUTH)
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#define IS_TYPERANGE_DIGEST_PARAM(p)	((p)->type_range & TYPERANGE_DIGEST)
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#define IS_TYPERANGE_SESSIONTYPE(p)	((p)->type_range & \
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						TYPERANGE_SESSIONTYPE)
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/*
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 * struct iscsi_param->state
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 */
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#define PSTATE_ACCEPTOR			0x01
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#define PSTATE_NEGOTIATE		0x02
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#define PSTATE_PROPOSER			0x04
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#define PSTATE_IRRELEVANT		0x08
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#define PSTATE_REJECT			0x10
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#define PSTATE_REPLY_OPTIONAL		0x20
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#define PSTATE_RESPONSE_GOT		0x40
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#define PSTATE_RESPONSE_SENT		0x80
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#define IS_PSTATE_ACCEPTOR(p)		((p)->state & PSTATE_ACCEPTOR)
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#define IS_PSTATE_NEGOTIATE(p)		((p)->state & PSTATE_NEGOTIATE)
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#define IS_PSTATE_PROPOSER(p)		((p)->state & PSTATE_PROPOSER)
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#define IS_PSTATE_IRRELEVANT(p)		((p)->state & PSTATE_IRRELEVANT)
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#define IS_PSTATE_REJECT(p)		((p)->state & PSTATE_REJECT)
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#define IS_PSTATE_REPLY_OPTIONAL(p)	((p)->state & PSTATE_REPLY_OPTIONAL)
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#define IS_PSTATE_RESPONSE_GOT(p)	((p)->state & PSTATE_RESPONSE_GOT)
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#define IS_PSTATE_RESPONSE_SENT(p)	((p)->state & PSTATE_RESPONSE_SENT)
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#define SET_PSTATE_ACCEPTOR(p)		((p)->state |= PSTATE_ACCEPTOR)
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#define SET_PSTATE_NEGOTIATE(p)		((p)->state |= PSTATE_NEGOTIATE)
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#define SET_PSTATE_PROPOSER(p)		((p)->state |= PSTATE_PROPOSER)
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#define SET_PSTATE_IRRELEVANT(p)	((p)->state |= PSTATE_IRRELEVANT)
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#define SET_PSTATE_REJECT(p)		((p)->state |= PSTATE_REJECT)
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#define SET_PSTATE_REPLY_OPTIONAL(p)	((p)->state |= PSTATE_REPLY_OPTIONAL)
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#define SET_PSTATE_RESPONSE_GOT(p)	((p)->state |= PSTATE_RESPONSE_GOT)
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#define SET_PSTATE_RESPONSE_SENT(p)	((p)->state |= PSTATE_RESPONSE_SENT)
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#endif /* ISCSI_PARAMETERS_H */
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