[go: nahoru, domu]
1#ifndef ISCSI_PARAMETERS_H
2#define ISCSI_PARAMETERS_H
3
4#include <scsi/iscsi_proto.h>
5
6struct iscsi_extra_response {
7	char key[KEY_MAXLEN];
8	char value[32];
9	struct list_head er_list;
10} ____cacheline_aligned;
11
12struct iscsi_param {
13	char *name;
14	char *value;
15	u8 set_param;
16	u8 phase;
17	u8 scope;
18	u8 sender;
19	u8 type;
20	u8 use;
21	u16 type_range;
22	u32 state;
23	struct list_head p_list;
24} ____cacheline_aligned;
25
26extern int iscsi_login_rx_data(struct iscsi_conn *, char *, int);
27extern int iscsi_login_tx_data(struct iscsi_conn *, char *, char *, int);
28extern void iscsi_dump_conn_ops(struct iscsi_conn_ops *);
29extern void iscsi_dump_sess_ops(struct iscsi_sess_ops *);
30extern void iscsi_print_params(struct iscsi_param_list *);
31extern int iscsi_create_default_params(struct iscsi_param_list **);
32extern int iscsi_set_keys_to_negotiate(struct iscsi_param_list *, bool);
33extern int iscsi_set_keys_irrelevant_for_discovery(struct iscsi_param_list *);
34extern int iscsi_copy_param_list(struct iscsi_param_list **,
35			struct iscsi_param_list *, int);
36extern int iscsi_change_param_value(char *, struct iscsi_param_list *, int);
37extern void iscsi_release_param_list(struct iscsi_param_list *);
38extern struct iscsi_param *iscsi_find_param_from_key(char *, struct iscsi_param_list *);
39extern int iscsi_extract_key_value(char *, char **, char **);
40extern int iscsi_update_param_value(struct iscsi_param *, char *);
41extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_conn *);
42extern int iscsi_encode_text_output(u8, u8, char *, u32 *,
43			struct iscsi_param_list *);
44extern int iscsi_check_negotiated_keys(struct iscsi_param_list *);
45extern void iscsi_set_connection_parameters(struct iscsi_conn_ops *,
46			struct iscsi_param_list *);
47extern void iscsi_set_session_parameters(struct iscsi_sess_ops *,
48			struct iscsi_param_list *, int);
49
50#define YES				"Yes"
51#define NO				"No"
52#define ALL				"All"
53#define IRRELEVANT			"Irrelevant"
54#define NONE				"None"
55#define NOTUNDERSTOOD			"NotUnderstood"
56#define REJECT				"Reject"
57
58/*
59 * The Parameter Names.
60 */
61#define AUTHMETHOD			"AuthMethod"
62#define HEADERDIGEST			"HeaderDigest"
63#define DATADIGEST			"DataDigest"
64#define MAXCONNECTIONS			"MaxConnections"
65#define SENDTARGETS			"SendTargets"
66#define TARGETNAME			"TargetName"
67#define INITIATORNAME			"InitiatorName"
68#define TARGETALIAS			"TargetAlias"
69#define INITIATORALIAS			"InitiatorAlias"
70#define TARGETADDRESS			"TargetAddress"
71#define TARGETPORTALGROUPTAG		"TargetPortalGroupTag"
72#define INITIALR2T			"InitialR2T"
73#define IMMEDIATEDATA			"ImmediateData"
74#define MAXRECVDATASEGMENTLENGTH	"MaxRecvDataSegmentLength"
75#define MAXXMITDATASEGMENTLENGTH	"MaxXmitDataSegmentLength"
76#define MAXBURSTLENGTH			"MaxBurstLength"
77#define FIRSTBURSTLENGTH		"FirstBurstLength"
78#define DEFAULTTIME2WAIT		"DefaultTime2Wait"
79#define DEFAULTTIME2RETAIN		"DefaultTime2Retain"
80#define MAXOUTSTANDINGR2T		"MaxOutstandingR2T"
81#define DATAPDUINORDER			"DataPDUInOrder"
82#define DATASEQUENCEINORDER		"DataSequenceInOrder"
83#define ERRORRECOVERYLEVEL		"ErrorRecoveryLevel"
84#define SESSIONTYPE			"SessionType"
85#define IFMARKER			"IFMarker"
86#define OFMARKER			"OFMarker"
87#define IFMARKINT			"IFMarkInt"
88#define OFMARKINT			"OFMarkInt"
89#define X_EXTENSIONKEY			"X-com.sbei.version"
90#define X_EXTENSIONKEY_CISCO_NEW	"X-com.cisco.protocol"
91#define X_EXTENSIONKEY_CISCO_OLD	"X-com.cisco.iscsi.draft"
92
93/*
94 * Parameter names of iSCSI Extentions for RDMA (iSER).  See RFC-5046
95 */
96#define RDMAEXTENSIONS			"RDMAExtensions"
97#define INITIATORRECVDATASEGMENTLENGTH	"InitiatorRecvDataSegmentLength"
98#define TARGETRECVDATASEGMENTLENGTH	"TargetRecvDataSegmentLength"
99
100/*
101 * For AuthMethod.
102 */
103#define KRB5				"KRB5"
104#define SPKM1				"SPKM1"
105#define SPKM2				"SPKM2"
106#define SRP				"SRP"
107#define CHAP				"CHAP"
108
109/*
110 * Initial values for Parameter Negotiation.
111 */
112#define INITIAL_AUTHMETHOD			CHAP
113#define INITIAL_HEADERDIGEST			"CRC32C,None"
114#define INITIAL_DATADIGEST			"CRC32C,None"
115#define INITIAL_MAXCONNECTIONS			"1"
116#define INITIAL_SENDTARGETS			ALL
117#define INITIAL_TARGETNAME			"LIO.Target"
118#define INITIAL_INITIATORNAME			"LIO.Initiator"
119#define INITIAL_TARGETALIAS			"LIO Target"
120#define INITIAL_INITIATORALIAS			"LIO Initiator"
121#define INITIAL_TARGETADDRESS			"0.0.0.0:0000,0"
122#define INITIAL_TARGETPORTALGROUPTAG		"1"
123#define INITIAL_INITIALR2T			YES
124#define INITIAL_IMMEDIATEDATA			YES
125#define INITIAL_MAXRECVDATASEGMENTLENGTH	"8192"
126/*
127 * Match outgoing MXDSL default to incoming Open-iSCSI default
128 */
129#define INITIAL_MAXXMITDATASEGMENTLENGTH	"262144"
130#define INITIAL_MAXBURSTLENGTH			"262144"
131#define INITIAL_FIRSTBURSTLENGTH		"65536"
132#define INITIAL_DEFAULTTIME2WAIT		"2"
133#define INITIAL_DEFAULTTIME2RETAIN		"20"
134#define INITIAL_MAXOUTSTANDINGR2T		"1"
135#define INITIAL_DATAPDUINORDER			YES
136#define INITIAL_DATASEQUENCEINORDER		YES
137#define INITIAL_ERRORRECOVERYLEVEL		"0"
138#define INITIAL_SESSIONTYPE			NORMAL
139#define INITIAL_IFMARKER			NO
140#define INITIAL_OFMARKER			NO
141#define INITIAL_IFMARKINT			"2048~65535"
142#define INITIAL_OFMARKINT			"2048~65535"
143
144/*
145 * Initial values for iSER parameters following RFC-5046 Section 6
146 */
147#define INITIAL_RDMAEXTENSIONS			NO
148#define INITIAL_INITIATORRECVDATASEGMENTLENGTH	"262144"
149#define INITIAL_TARGETRECVDATASEGMENTLENGTH	"8192"
150
151/*
152 * For [Header,Data]Digests.
153 */
154#define CRC32C				"CRC32C"
155
156/*
157 * For SessionType.
158 */
159#define DISCOVERY			"Discovery"
160#define NORMAL				"Normal"
161
162/*
163 * struct iscsi_param->use
164 */
165#define USE_LEADING_ONLY		0x01
166#define USE_INITIAL_ONLY		0x02
167#define USE_ALL				0x04
168
169#define IS_USE_LEADING_ONLY(p)		((p)->use & USE_LEADING_ONLY)
170#define IS_USE_INITIAL_ONLY(p)		((p)->use & USE_INITIAL_ONLY)
171#define IS_USE_ALL(p)			((p)->use & USE_ALL)
172
173#define SET_USE_INITIAL_ONLY(p)		((p)->use |= USE_INITIAL_ONLY)
174
175/*
176 * struct iscsi_param->sender
177 */
178#define	SENDER_INITIATOR		0x01
179#define SENDER_TARGET			0x02
180#define SENDER_BOTH			0x03
181/* Used in iscsi_check_key() */
182#define SENDER_RECEIVER			0x04
183
184#define IS_SENDER_INITIATOR(p)		((p)->sender & SENDER_INITIATOR)
185#define IS_SENDER_TARGET(p)		((p)->sender & SENDER_TARGET)
186#define IS_SENDER_BOTH(p)		((p)->sender & SENDER_BOTH)
187
188/*
189 * struct iscsi_param->scope
190 */
191#define SCOPE_CONNECTION_ONLY		0x01
192#define SCOPE_SESSION_WIDE		0x02
193
194#define IS_SCOPE_CONNECTION_ONLY(p)	((p)->scope & SCOPE_CONNECTION_ONLY)
195#define IS_SCOPE_SESSION_WIDE(p)	((p)->scope & SCOPE_SESSION_WIDE)
196
197/*
198 * struct iscsi_param->phase
199 */
200#define PHASE_SECURITY			0x01
201#define PHASE_OPERATIONAL		0x02
202#define PHASE_DECLARATIVE		0x04
203#define PHASE_FFP0			0x08
204
205#define IS_PHASE_SECURITY(p)		((p)->phase & PHASE_SECURITY)
206#define IS_PHASE_OPERATIONAL(p)		((p)->phase & PHASE_OPERATIONAL)
207#define IS_PHASE_DECLARATIVE(p)		((p)->phase & PHASE_DECLARATIVE)
208#define IS_PHASE_FFP0(p)		((p)->phase & PHASE_FFP0)
209
210/*
211 * struct iscsi_param->type
212 */
213#define TYPE_BOOL_AND			0x01
214#define TYPE_BOOL_OR			0x02
215#define TYPE_NUMBER			0x04
216#define TYPE_NUMBER_RANGE		0x08
217#define TYPE_STRING			0x10
218#define TYPE_VALUE_LIST			0x20
219
220#define IS_TYPE_BOOL_AND(p)		((p)->type & TYPE_BOOL_AND)
221#define IS_TYPE_BOOL_OR(p)		((p)->type & TYPE_BOOL_OR)
222#define IS_TYPE_NUMBER(p)		((p)->type & TYPE_NUMBER)
223#define IS_TYPE_NUMBER_RANGE(p)		((p)->type & TYPE_NUMBER_RANGE)
224#define IS_TYPE_STRING(p)		((p)->type & TYPE_STRING)
225#define IS_TYPE_VALUE_LIST(p)		((p)->type & TYPE_VALUE_LIST)
226
227/*
228 * struct iscsi_param->type_range
229 */
230#define TYPERANGE_BOOL_AND		0x0001
231#define TYPERANGE_BOOL_OR		0x0002
232#define TYPERANGE_0_TO_2		0x0004
233#define TYPERANGE_0_TO_3600		0x0008
234#define TYPERANGE_0_TO_32767		0x0010
235#define TYPERANGE_0_TO_65535		0x0020
236#define TYPERANGE_1_TO_65535		0x0040
237#define TYPERANGE_2_TO_3600		0x0080
238#define TYPERANGE_512_TO_16777215	0x0100
239#define TYPERANGE_AUTH			0x0200
240#define TYPERANGE_DIGEST		0x0400
241#define TYPERANGE_ISCSINAME		0x0800
242#define TYPERANGE_MARKINT		0x1000
243#define TYPERANGE_SESSIONTYPE		0x2000
244#define TYPERANGE_TARGETADDRESS		0x4000
245#define TYPERANGE_UTF8			0x8000
246
247#define IS_TYPERANGE_0_TO_2(p)		((p)->type_range & TYPERANGE_0_TO_2)
248#define IS_TYPERANGE_0_TO_3600(p)	((p)->type_range & TYPERANGE_0_TO_3600)
249#define IS_TYPERANGE_0_TO_32767(p)	((p)->type_range & TYPERANGE_0_TO_32767)
250#define IS_TYPERANGE_0_TO_65535(p)	((p)->type_range & TYPERANGE_0_TO_65535)
251#define IS_TYPERANGE_1_TO_65535(p)	((p)->type_range & TYPERANGE_1_TO_65535)
252#define IS_TYPERANGE_2_TO_3600(p)	((p)->type_range & TYPERANGE_2_TO_3600)
253#define IS_TYPERANGE_512_TO_16777215(p)	((p)->type_range & \
254						TYPERANGE_512_TO_16777215)
255#define IS_TYPERANGE_AUTH_PARAM(p)	((p)->type_range & TYPERANGE_AUTH)
256#define IS_TYPERANGE_DIGEST_PARAM(p)	((p)->type_range & TYPERANGE_DIGEST)
257#define IS_TYPERANGE_SESSIONTYPE(p)	((p)->type_range & \
258						TYPERANGE_SESSIONTYPE)
259
260/*
261 * struct iscsi_param->state
262 */
263#define PSTATE_ACCEPTOR			0x01
264#define PSTATE_NEGOTIATE		0x02
265#define PSTATE_PROPOSER			0x04
266#define PSTATE_IRRELEVANT		0x08
267#define PSTATE_REJECT			0x10
268#define PSTATE_REPLY_OPTIONAL		0x20
269#define PSTATE_RESPONSE_GOT		0x40
270#define PSTATE_RESPONSE_SENT		0x80
271
272#define IS_PSTATE_ACCEPTOR(p)		((p)->state & PSTATE_ACCEPTOR)
273#define IS_PSTATE_NEGOTIATE(p)		((p)->state & PSTATE_NEGOTIATE)
274#define IS_PSTATE_PROPOSER(p)		((p)->state & PSTATE_PROPOSER)
275#define IS_PSTATE_IRRELEVANT(p)		((p)->state & PSTATE_IRRELEVANT)
276#define IS_PSTATE_REJECT(p)		((p)->state & PSTATE_REJECT)
277#define IS_PSTATE_REPLY_OPTIONAL(p)	((p)->state & PSTATE_REPLY_OPTIONAL)
278#define IS_PSTATE_RESPONSE_GOT(p)	((p)->state & PSTATE_RESPONSE_GOT)
279#define IS_PSTATE_RESPONSE_SENT(p)	((p)->state & PSTATE_RESPONSE_SENT)
280
281#define SET_PSTATE_ACCEPTOR(p)		((p)->state |= PSTATE_ACCEPTOR)
282#define SET_PSTATE_NEGOTIATE(p)		((p)->state |= PSTATE_NEGOTIATE)
283#define SET_PSTATE_PROPOSER(p)		((p)->state |= PSTATE_PROPOSER)
284#define SET_PSTATE_IRRELEVANT(p)	((p)->state |= PSTATE_IRRELEVANT)
285#define SET_PSTATE_REJECT(p)		((p)->state |= PSTATE_REJECT)
286#define SET_PSTATE_REPLY_OPTIONAL(p)	((p)->state |= PSTATE_REPLY_OPTIONAL)
287#define SET_PSTATE_RESPONSE_GOT(p)	((p)->state |= PSTATE_RESPONSE_GOT)
288#define SET_PSTATE_RESPONSE_SENT(p)	((p)->state |= PSTATE_RESPONSE_SENT)
289
290#endif /* ISCSI_PARAMETERS_H */
291