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kernel/drivers/target/iscsi/iscsi_target_parameters.h
tqcq e5480701d3 init repo.
2024-07-22 17:22:30 +08:00

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