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1 | /* |
2 | * iSCSI User/Kernel Shares (Defines, Constants, Protocol definitions, etc) |
3 | * |
4 | * Copyright (C) 2005 Dmitry Yusupov |
5 | * Copyright (C) 2005 Alex Aizman |
6 | * maintained by open-iscsi@googlegroups.com |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify |
9 | * it under the terms of the GNU General Public License as published |
10 | * by the Free Software Foundation; either version 2 of the License, or |
11 | * (at your option) any later version. |
12 | * |
13 | * This program is distributed in the hope that it will be useful, but |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * General Public License for more details. |
17 | * |
18 | * See the file COPYING included with this distribution for more details. |
19 | */ |
20 | |
21 | #ifndef ISCSI_IF_H |
22 | #define ISCSI_IF_H |
23 | |
24 | #include <scsi/iscsi_proto.h> |
25 | #include <linux/in.h> |
26 | #include <linux/in6.h> |
27 | |
28 | #define ISCSI_NL_GRP_ISCSID 1 |
29 | #define ISCSI_NL_GRP_UIP 2 |
30 | |
31 | #define UEVENT_BASE 10 |
32 | #define KEVENT_BASE 100 |
33 | #define ISCSI_ERR_BASE 1000 |
34 | |
35 | enum iscsi_uevent_e { |
36 | ISCSI_UEVENT_UNKNOWN = 0, |
37 | |
38 | /* down events */ |
39 | ISCSI_UEVENT_CREATE_SESSION = UEVENT_BASE + 1, |
40 | ISCSI_UEVENT_DESTROY_SESSION = UEVENT_BASE + 2, |
41 | ISCSI_UEVENT_CREATE_CONN = UEVENT_BASE + 3, |
42 | ISCSI_UEVENT_DESTROY_CONN = UEVENT_BASE + 4, |
43 | ISCSI_UEVENT_BIND_CONN = UEVENT_BASE + 5, |
44 | ISCSI_UEVENT_SET_PARAM = UEVENT_BASE + 6, |
45 | ISCSI_UEVENT_START_CONN = UEVENT_BASE + 7, |
46 | ISCSI_UEVENT_STOP_CONN = UEVENT_BASE + 8, |
47 | ISCSI_UEVENT_SEND_PDU = UEVENT_BASE + 9, |
48 | ISCSI_UEVENT_GET_STATS = UEVENT_BASE + 10, |
49 | ISCSI_UEVENT_GET_PARAM = UEVENT_BASE + 11, |
50 | |
51 | ISCSI_UEVENT_TRANSPORT_EP_CONNECT = UEVENT_BASE + 12, |
52 | ISCSI_UEVENT_TRANSPORT_EP_POLL = UEVENT_BASE + 13, |
53 | ISCSI_UEVENT_TRANSPORT_EP_DISCONNECT = UEVENT_BASE + 14, |
54 | |
55 | ISCSI_UEVENT_TGT_DSCVR = UEVENT_BASE + 15, |
56 | ISCSI_UEVENT_SET_HOST_PARAM = UEVENT_BASE + 16, |
57 | ISCSI_UEVENT_UNBIND_SESSION = UEVENT_BASE + 17, |
58 | ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18, |
59 | ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST = UEVENT_BASE + 19, |
60 | |
61 | ISCSI_UEVENT_PATH_UPDATE = UEVENT_BASE + 20, |
62 | ISCSI_UEVENT_SET_IFACE_PARAMS = UEVENT_BASE + 21, |
63 | ISCSI_UEVENT_PING = UEVENT_BASE + 22, |
64 | ISCSI_UEVENT_GET_CHAP = UEVENT_BASE + 23, |
65 | ISCSI_UEVENT_DELETE_CHAP = UEVENT_BASE + 24, |
66 | ISCSI_UEVENT_SET_FLASHNODE_PARAMS = UEVENT_BASE + 25, |
67 | ISCSI_UEVENT_NEW_FLASHNODE = UEVENT_BASE + 26, |
68 | ISCSI_UEVENT_DEL_FLASHNODE = UEVENT_BASE + 27, |
69 | ISCSI_UEVENT_LOGIN_FLASHNODE = UEVENT_BASE + 28, |
70 | ISCSI_UEVENT_LOGOUT_FLASHNODE = UEVENT_BASE + 29, |
71 | ISCSI_UEVENT_LOGOUT_FLASHNODE_SID = UEVENT_BASE + 30, |
72 | |
73 | /* up events */ |
74 | ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1, |
75 | ISCSI_KEVENT_CONN_ERROR = KEVENT_BASE + 2, |
76 | ISCSI_KEVENT_IF_ERROR = KEVENT_BASE + 3, |
77 | ISCSI_KEVENT_DESTROY_SESSION = KEVENT_BASE + 4, |
78 | ISCSI_KEVENT_UNBIND_SESSION = KEVENT_BASE + 5, |
79 | ISCSI_KEVENT_CREATE_SESSION = KEVENT_BASE + 6, |
80 | |
81 | ISCSI_KEVENT_PATH_REQ = KEVENT_BASE + 7, |
82 | ISCSI_KEVENT_IF_DOWN = KEVENT_BASE + 8, |
83 | ISCSI_KEVENT_CONN_LOGIN_STATE = KEVENT_BASE + 9, |
84 | ISCSI_KEVENT_HOST_EVENT = KEVENT_BASE + 10, |
85 | ISCSI_KEVENT_PING_COMP = KEVENT_BASE + 11, |
86 | }; |
87 | |
88 | enum iscsi_tgt_dscvr { |
89 | ISCSI_TGT_DSCVR_SEND_TARGETS = 1, |
90 | ISCSI_TGT_DSCVR_ISNS = 2, |
91 | ISCSI_TGT_DSCVR_SLP = 3, |
92 | }; |
93 | |
94 | enum iscsi_host_event_code { |
95 | ISCSI_EVENT_LINKUP = 1, |
96 | ISCSI_EVENT_LINKDOWN, |
97 | /* must always be last */ |
98 | ISCSI_EVENT_MAX, |
99 | }; |
100 | |
101 | struct iscsi_uevent { |
102 | uint32_t type; /* k/u events type */ |
103 | uint32_t iferror; /* carries interface or resource errors */ |
104 | uint64_t transport_handle; |
105 | |
106 | union { |
107 | /* messages u -> k */ |
108 | struct msg_create_session { |
109 | uint32_t initial_cmdsn; |
110 | uint16_t cmds_max; |
111 | uint16_t queue_depth; |
112 | } c_session; |
113 | struct msg_create_bound_session { |
114 | uint64_t ep_handle; |
115 | uint32_t initial_cmdsn; |
116 | uint16_t cmds_max; |
117 | uint16_t queue_depth; |
118 | } c_bound_session; |
119 | struct msg_destroy_session { |
120 | uint32_t sid; |
121 | } d_session; |
122 | struct msg_create_conn { |
123 | uint32_t sid; |
124 | uint32_t cid; |
125 | } c_conn; |
126 | struct msg_bind_conn { |
127 | uint32_t sid; |
128 | uint32_t cid; |
129 | uint64_t transport_eph; |
130 | uint32_t is_leading; |
131 | } b_conn; |
132 | struct msg_destroy_conn { |
133 | uint32_t sid; |
134 | uint32_t cid; |
135 | } d_conn; |
136 | struct msg_send_pdu { |
137 | uint32_t sid; |
138 | uint32_t cid; |
139 | uint32_t hdr_size; |
140 | uint32_t data_size; |
141 | } send_pdu; |
142 | struct msg_set_param { |
143 | uint32_t sid; |
144 | uint32_t cid; |
145 | uint32_t param; /* enum iscsi_param */ |
146 | uint32_t len; |
147 | } set_param; |
148 | struct msg_start_conn { |
149 | uint32_t sid; |
150 | uint32_t cid; |
151 | } start_conn; |
152 | struct msg_stop_conn { |
153 | uint32_t sid; |
154 | uint32_t cid; |
155 | uint64_t conn_handle; |
156 | uint32_t flag; |
157 | } stop_conn; |
158 | struct msg_get_stats { |
159 | uint32_t sid; |
160 | uint32_t cid; |
161 | } get_stats; |
162 | struct msg_transport_connect { |
163 | uint32_t non_blocking; |
164 | } ep_connect; |
165 | struct msg_transport_connect_through_host { |
166 | uint32_t host_no; |
167 | uint32_t non_blocking; |
168 | } ep_connect_through_host; |
169 | struct msg_transport_poll { |
170 | uint64_t ep_handle; |
171 | uint32_t timeout_ms; |
172 | } ep_poll; |
173 | struct msg_transport_disconnect { |
174 | uint64_t ep_handle; |
175 | } ep_disconnect; |
176 | struct msg_tgt_dscvr { |
177 | enum iscsi_tgt_dscvr type; |
178 | uint32_t host_no; |
179 | /* |
180 | * enable = 1 to establish a new connection |
181 | * with the server. enable = 0 to disconnect |
182 | * from the server. Used primarily to switch |
183 | * from one iSNS server to another. |
184 | */ |
185 | uint32_t enable; |
186 | } tgt_dscvr; |
187 | struct msg_set_host_param { |
188 | uint32_t host_no; |
189 | uint32_t param; /* enum iscsi_host_param */ |
190 | uint32_t len; |
191 | } set_host_param; |
192 | struct msg_set_path { |
193 | uint32_t host_no; |
194 | } set_path; |
195 | struct msg_set_iface_params { |
196 | uint32_t host_no; |
197 | uint32_t count; |
198 | } set_iface_params; |
199 | struct msg_iscsi_ping { |
200 | uint32_t host_no; |
201 | uint32_t iface_num; |
202 | uint32_t iface_type; |
203 | uint32_t payload_size; |
204 | uint32_t pid; /* unique ping id associated |
205 | with each ping request */ |
206 | } iscsi_ping; |
207 | struct msg_get_chap { |
208 | uint32_t host_no; |
209 | uint32_t num_entries; /* number of CHAP entries |
210 | * on request, number of |
211 | * valid CHAP entries on |
212 | * response */ |
213 | uint16_t chap_tbl_idx; |
214 | } get_chap; |
215 | struct msg_delete_chap { |
216 | uint32_t host_no; |
217 | uint16_t chap_tbl_idx; |
218 | } delete_chap; |
219 | struct msg_set_flashnode_param { |
220 | uint32_t host_no; |
221 | uint32_t flashnode_idx; |
222 | uint32_t count; |
223 | } set_flashnode; |
224 | struct msg_new_flashnode { |
225 | uint32_t host_no; |
226 | uint32_t len; |
227 | } new_flashnode; |
228 | struct msg_del_flashnode { |
229 | uint32_t host_no; |
230 | uint32_t flashnode_idx; |
231 | } del_flashnode; |
232 | struct msg_login_flashnode { |
233 | uint32_t host_no; |
234 | uint32_t flashnode_idx; |
235 | } login_flashnode; |
236 | struct msg_logout_flashnode { |
237 | uint32_t host_no; |
238 | uint32_t flashnode_idx; |
239 | } logout_flashnode; |
240 | struct msg_logout_flashnode_sid { |
241 | uint32_t host_no; |
242 | uint32_t sid; |
243 | } logout_flashnode_sid; |
244 | } u; |
245 | union { |
246 | /* messages k -> u */ |
247 | int retcode; |
248 | struct msg_create_session_ret { |
249 | uint32_t sid; |
250 | uint32_t host_no; |
251 | } c_session_ret; |
252 | struct msg_create_conn_ret { |
253 | uint32_t sid; |
254 | uint32_t cid; |
255 | } c_conn_ret; |
256 | struct msg_unbind_session { |
257 | uint32_t sid; |
258 | uint32_t host_no; |
259 | } unbind_session; |
260 | struct msg_recv_req { |
261 | uint32_t sid; |
262 | uint32_t cid; |
263 | uint64_t recv_handle; |
264 | } recv_req; |
265 | struct msg_conn_login { |
266 | uint32_t sid; |
267 | uint32_t cid; |
268 | uint32_t state; /* enum iscsi_conn_state */ |
269 | } conn_login; |
270 | struct msg_conn_error { |
271 | uint32_t sid; |
272 | uint32_t cid; |
273 | uint32_t error; /* enum iscsi_err */ |
274 | } connerror; |
275 | struct msg_session_destroyed { |
276 | uint32_t host_no; |
277 | uint32_t sid; |
278 | } d_session; |
279 | struct msg_transport_connect_ret { |
280 | uint64_t handle; |
281 | } ep_connect_ret; |
282 | struct msg_req_path { |
283 | uint32_t host_no; |
284 | } req_path; |
285 | struct msg_notify_if_down { |
286 | uint32_t host_no; |
287 | } notify_if_down; |
288 | struct msg_host_event { |
289 | uint32_t host_no; |
290 | uint32_t data_size; |
291 | enum iscsi_host_event_code code; |
292 | } host_event; |
293 | struct msg_ping_comp { |
294 | uint32_t host_no; |
295 | uint32_t status; /* enum |
296 | * iscsi_ping_status_code */ |
297 | uint32_t pid; /* unique ping id associated |
298 | with each ping request */ |
299 | uint32_t data_size; |
300 | } ping_comp; |
301 | struct msg_new_flashnode_ret { |
302 | uint32_t flashnode_idx; |
303 | } new_flashnode_ret; |
304 | } r; |
305 | } __attribute__ ((aligned (sizeof(uint64_t)))); |
306 | |
307 | enum iscsi_param_type { |
308 | ISCSI_PARAM, /* iscsi_param (session, conn, target, LU) */ |
309 | ISCSI_HOST_PARAM, /* iscsi_host_param */ |
310 | ISCSI_NET_PARAM, /* iscsi_net_param */ |
311 | ISCSI_FLASHNODE_PARAM, /* iscsi_flashnode_param */ |
312 | }; |
313 | |
314 | struct iscsi_iface_param_info { |
315 | uint32_t iface_num; /* iface number, 0 - n */ |
316 | uint32_t len; /* Actual length of the param */ |
317 | uint16_t param; /* iscsi param value */ |
318 | uint8_t iface_type; /* IPv4 or IPv6 */ |
319 | uint8_t param_type; /* iscsi_param_type */ |
320 | uint8_t value[0]; /* length sized value follows */ |
321 | } __packed; |
322 | |
323 | /* |
324 | * To keep the struct iscsi_uevent size the same for userspace code |
325 | * compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and |
326 | * ISCSI_KEVENT_PATH_REQ is defined separately and comes after the |
327 | * struct iscsi_uevent in the NETLINK_ISCSI message. |
328 | */ |
329 | struct iscsi_path { |
330 | uint64_t handle; |
331 | uint8_t mac_addr[6]; |
332 | uint8_t mac_addr_old[6]; |
333 | uint32_t ip_addr_len; /* 4 or 16 */ |
334 | union { |
335 | struct in_addr v4_addr; |
336 | struct in6_addr v6_addr; |
337 | } src; |
338 | union { |
339 | struct in_addr v4_addr; |
340 | struct in6_addr v6_addr; |
341 | } dst; |
342 | uint16_t vlan_id; |
343 | uint16_t pmtu; |
344 | } __attribute__ ((aligned (sizeof(uint64_t)))); |
345 | |
346 | /* iscsi iface enabled/disabled setting */ |
347 | #define ISCSI_IFACE_DISABLE 0x01 |
348 | #define ISCSI_IFACE_ENABLE 0x02 |
349 | |
350 | /* ipv4 bootproto */ |
351 | #define ISCSI_BOOTPROTO_STATIC 0x01 |
352 | #define ISCSI_BOOTPROTO_DHCP 0x02 |
353 | |
354 | /* ipv6 addr autoconfig type */ |
355 | #define ISCSI_IPV6_AUTOCFG_DISABLE 0x01 |
356 | #define ISCSI_IPV6_AUTOCFG_ND_ENABLE 0x02 |
357 | #define ISCSI_IPV6_AUTOCFG_DHCPV6_ENABLE 0x03 |
358 | |
359 | /* ipv6 link local addr type */ |
360 | #define ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE 0x01 |
361 | #define ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE 0x02 |
362 | |
363 | /* ipv6 router addr type */ |
364 | #define ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE 0x01 |
365 | #define ISCSI_IPV6_ROUTER_AUTOCFG_DISABLE 0x02 |
366 | |
367 | #define ISCSI_IFACE_TYPE_IPV4 0x01 |
368 | #define ISCSI_IFACE_TYPE_IPV6 0x02 |
369 | |
370 | #define ISCSI_MAX_VLAN_ID 4095 |
371 | #define ISCSI_MAX_VLAN_PRIORITY 7 |
372 | |
373 | /* iscsi vlan enable/disabled setting */ |
374 | #define ISCSI_VLAN_DISABLE 0x01 |
375 | #define ISCSI_VLAN_ENABLE 0x02 |
376 | |
377 | /* iSCSI network params */ |
378 | enum iscsi_net_param { |
379 | ISCSI_NET_PARAM_IPV4_ADDR = 1, |
380 | ISCSI_NET_PARAM_IPV4_SUBNET = 2, |
381 | ISCSI_NET_PARAM_IPV4_GW = 3, |
382 | ISCSI_NET_PARAM_IPV4_BOOTPROTO = 4, |
383 | ISCSI_NET_PARAM_MAC = 5, |
384 | ISCSI_NET_PARAM_IPV6_LINKLOCAL = 6, |
385 | ISCSI_NET_PARAM_IPV6_ADDR = 7, |
386 | ISCSI_NET_PARAM_IPV6_ROUTER = 8, |
387 | ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG = 9, |
388 | ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG = 10, |
389 | ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG = 11, |
390 | ISCSI_NET_PARAM_IFACE_ENABLE = 12, |
391 | ISCSI_NET_PARAM_VLAN_ID = 13, |
392 | ISCSI_NET_PARAM_VLAN_PRIORITY = 14, |
393 | ISCSI_NET_PARAM_VLAN_ENABLED = 15, |
394 | ISCSI_NET_PARAM_VLAN_TAG = 16, |
395 | ISCSI_NET_PARAM_IFACE_TYPE = 17, |
396 | ISCSI_NET_PARAM_IFACE_NAME = 18, |
397 | ISCSI_NET_PARAM_MTU = 19, |
398 | ISCSI_NET_PARAM_PORT = 20, |
399 | }; |
400 | |
401 | enum iscsi_conn_state { |
402 | ISCSI_CONN_STATE_FREE, |
403 | ISCSI_CONN_STATE_XPT_WAIT, |
404 | ISCSI_CONN_STATE_IN_LOGIN, |
405 | ISCSI_CONN_STATE_LOGGED_IN, |
406 | ISCSI_CONN_STATE_IN_LOGOUT, |
407 | ISCSI_CONN_STATE_LOGOUT_REQUESTED, |
408 | ISCSI_CONN_STATE_CLEANUP_WAIT, |
409 | }; |
410 | |
411 | /* |
412 | * Common error codes |
413 | */ |
414 | enum iscsi_err { |
415 | ISCSI_OK = 0, |
416 | |
417 | ISCSI_ERR_DATASN = ISCSI_ERR_BASE + 1, |
418 | ISCSI_ERR_DATA_OFFSET = ISCSI_ERR_BASE + 2, |
419 | ISCSI_ERR_MAX_CMDSN = ISCSI_ERR_BASE + 3, |
420 | ISCSI_ERR_EXP_CMDSN = ISCSI_ERR_BASE + 4, |
421 | ISCSI_ERR_BAD_OPCODE = ISCSI_ERR_BASE + 5, |
422 | ISCSI_ERR_DATALEN = ISCSI_ERR_BASE + 6, |
423 | ISCSI_ERR_AHSLEN = ISCSI_ERR_BASE + 7, |
424 | ISCSI_ERR_PROTO = ISCSI_ERR_BASE + 8, |
425 | ISCSI_ERR_LUN = ISCSI_ERR_BASE + 9, |
426 | ISCSI_ERR_BAD_ITT = ISCSI_ERR_BASE + 10, |
427 | ISCSI_ERR_CONN_FAILED = ISCSI_ERR_BASE + 11, |
428 | ISCSI_ERR_R2TSN = ISCSI_ERR_BASE + 12, |
429 | ISCSI_ERR_SESSION_FAILED = ISCSI_ERR_BASE + 13, |
430 | ISCSI_ERR_HDR_DGST = ISCSI_ERR_BASE + 14, |
431 | ISCSI_ERR_DATA_DGST = ISCSI_ERR_BASE + 15, |
432 | ISCSI_ERR_PARAM_NOT_FOUND = ISCSI_ERR_BASE + 16, |
433 | ISCSI_ERR_NO_SCSI_CMD = ISCSI_ERR_BASE + 17, |
434 | ISCSI_ERR_INVALID_HOST = ISCSI_ERR_BASE + 18, |
435 | ISCSI_ERR_XMIT_FAILED = ISCSI_ERR_BASE + 19, |
436 | ISCSI_ERR_TCP_CONN_CLOSE = ISCSI_ERR_BASE + 20, |
437 | ISCSI_ERR_SCSI_EH_SESSION_RST = ISCSI_ERR_BASE + 21, |
438 | }; |
439 | |
440 | /* |
441 | * iSCSI Parameters (RFC3720) |
442 | */ |
443 | enum iscsi_param { |
444 | /* passed in using netlink set param */ |
445 | ISCSI_PARAM_MAX_RECV_DLENGTH, |
446 | ISCSI_PARAM_MAX_XMIT_DLENGTH, |
447 | ISCSI_PARAM_HDRDGST_EN, |
448 | ISCSI_PARAM_DATADGST_EN, |
449 | ISCSI_PARAM_INITIAL_R2T_EN, |
450 | ISCSI_PARAM_MAX_R2T, |
451 | ISCSI_PARAM_IMM_DATA_EN, |
452 | ISCSI_PARAM_FIRST_BURST, |
453 | ISCSI_PARAM_MAX_BURST, |
454 | ISCSI_PARAM_PDU_INORDER_EN, |
455 | ISCSI_PARAM_DATASEQ_INORDER_EN, |
456 | ISCSI_PARAM_ERL, |
457 | ISCSI_PARAM_IFMARKER_EN, |
458 | ISCSI_PARAM_OFMARKER_EN, |
459 | ISCSI_PARAM_EXP_STATSN, |
460 | ISCSI_PARAM_TARGET_NAME, |
461 | ISCSI_PARAM_TPGT, |
462 | ISCSI_PARAM_PERSISTENT_ADDRESS, |
463 | ISCSI_PARAM_PERSISTENT_PORT, |
464 | ISCSI_PARAM_SESS_RECOVERY_TMO, |
465 | |
466 | /* passed in through bind conn using transport_fd */ |
467 | ISCSI_PARAM_CONN_PORT, |
468 | ISCSI_PARAM_CONN_ADDRESS, |
469 | |
470 | ISCSI_PARAM_USERNAME, |
471 | ISCSI_PARAM_USERNAME_IN, |
472 | ISCSI_PARAM_PASSWORD, |
473 | ISCSI_PARAM_PASSWORD_IN, |
474 | |
475 | ISCSI_PARAM_FAST_ABORT, |
476 | ISCSI_PARAM_ABORT_TMO, |
477 | ISCSI_PARAM_LU_RESET_TMO, |
478 | ISCSI_PARAM_HOST_RESET_TMO, |
479 | |
480 | ISCSI_PARAM_PING_TMO, |
481 | ISCSI_PARAM_RECV_TMO, |
482 | |
483 | ISCSI_PARAM_IFACE_NAME, |
484 | ISCSI_PARAM_ISID, |
485 | ISCSI_PARAM_INITIATOR_NAME, |
486 | |
487 | ISCSI_PARAM_TGT_RESET_TMO, |
488 | ISCSI_PARAM_TARGET_ALIAS, |
489 | |
490 | ISCSI_PARAM_CHAP_IN_IDX, |
491 | ISCSI_PARAM_CHAP_OUT_IDX, |
492 | |
493 | ISCSI_PARAM_BOOT_ROOT, |
494 | ISCSI_PARAM_BOOT_NIC, |
495 | ISCSI_PARAM_BOOT_TARGET, |
496 | |
497 | /* must always be last */ |
498 | ISCSI_PARAM_MAX, |
499 | }; |
500 | |
501 | /* iSCSI HBA params */ |
502 | enum iscsi_host_param { |
503 | ISCSI_HOST_PARAM_HWADDRESS, |
504 | ISCSI_HOST_PARAM_INITIATOR_NAME, |
505 | ISCSI_HOST_PARAM_NETDEV_NAME, |
506 | ISCSI_HOST_PARAM_IPADDRESS, |
507 | ISCSI_HOST_PARAM_PORT_STATE, |
508 | ISCSI_HOST_PARAM_PORT_SPEED, |
509 | ISCSI_HOST_PARAM_MAX, |
510 | }; |
511 | |
512 | /* portal type */ |
513 | #define PORTAL_TYPE_IPV4 "ipv4" |
514 | #define PORTAL_TYPE_IPV6 "ipv6" |
515 | |
516 | /* iSCSI Flash Target params */ |
517 | enum iscsi_flashnode_param { |
518 | ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6, |
519 | ISCSI_FLASHNODE_PORTAL_TYPE, |
520 | ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE, |
521 | ISCSI_FLASHNODE_DISCOVERY_SESS, |
522 | ISCSI_FLASHNODE_ENTRY_EN, |
523 | ISCSI_FLASHNODE_HDR_DGST_EN, |
524 | ISCSI_FLASHNODE_DATA_DGST_EN, |
525 | ISCSI_FLASHNODE_IMM_DATA_EN, |
526 | ISCSI_FLASHNODE_INITIAL_R2T_EN, |
527 | ISCSI_FLASHNODE_DATASEQ_INORDER, |
528 | ISCSI_FLASHNODE_PDU_INORDER, |
529 | ISCSI_FLASHNODE_CHAP_AUTH_EN, |
530 | ISCSI_FLASHNODE_SNACK_REQ_EN, |
531 | ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN, |
532 | ISCSI_FLASHNODE_BIDI_CHAP_EN, |
533 | /* make authentication for discovery sessions optional */ |
534 | ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL, |
535 | ISCSI_FLASHNODE_ERL, |
536 | ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT, |
537 | ISCSI_FLASHNODE_TCP_NAGLE_DISABLE, |
538 | ISCSI_FLASHNODE_TCP_WSF_DISABLE, |
539 | ISCSI_FLASHNODE_TCP_TIMER_SCALE, |
540 | ISCSI_FLASHNODE_TCP_TIMESTAMP_EN, |
541 | ISCSI_FLASHNODE_IP_FRAG_DISABLE, |
542 | ISCSI_FLASHNODE_MAX_RECV_DLENGTH, |
543 | ISCSI_FLASHNODE_MAX_XMIT_DLENGTH, |
544 | ISCSI_FLASHNODE_FIRST_BURST, |
545 | ISCSI_FLASHNODE_DEF_TIME2WAIT, |
546 | ISCSI_FLASHNODE_DEF_TIME2RETAIN, |
547 | ISCSI_FLASHNODE_MAX_R2T, |
548 | ISCSI_FLASHNODE_KEEPALIVE_TMO, |
549 | ISCSI_FLASHNODE_ISID, |
550 | ISCSI_FLASHNODE_TSID, |
551 | ISCSI_FLASHNODE_PORT, |
552 | ISCSI_FLASHNODE_MAX_BURST, |
553 | ISCSI_FLASHNODE_DEF_TASKMGMT_TMO, |
554 | ISCSI_FLASHNODE_IPADDR, |
555 | ISCSI_FLASHNODE_ALIAS, |
556 | ISCSI_FLASHNODE_REDIRECT_IPADDR, |
557 | ISCSI_FLASHNODE_MAX_SEGMENT_SIZE, |
558 | ISCSI_FLASHNODE_LOCAL_PORT, |
559 | ISCSI_FLASHNODE_IPV4_TOS, |
560 | ISCSI_FLASHNODE_IPV6_TC, |
561 | ISCSI_FLASHNODE_IPV6_FLOW_LABEL, |
562 | ISCSI_FLASHNODE_NAME, |
563 | ISCSI_FLASHNODE_TPGT, |
564 | ISCSI_FLASHNODE_LINK_LOCAL_IPV6, |
565 | ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX, |
566 | ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE, |
567 | ISCSI_FLASHNODE_TCP_XMIT_WSF, |
568 | ISCSI_FLASHNODE_TCP_RECV_WSF, |
569 | ISCSI_FLASHNODE_CHAP_IN_IDX, |
570 | ISCSI_FLASHNODE_CHAP_OUT_IDX, |
571 | ISCSI_FLASHNODE_USERNAME, |
572 | ISCSI_FLASHNODE_USERNAME_IN, |
573 | ISCSI_FLASHNODE_PASSWORD, |
574 | ISCSI_FLASHNODE_PASSWORD_IN, |
575 | ISCSI_FLASHNODE_STATSN, |
576 | ISCSI_FLASHNODE_EXP_STATSN, |
577 | ISCSI_FLASHNODE_IS_BOOT_TGT, |
578 | |
579 | ISCSI_FLASHNODE_MAX, |
580 | }; |
581 | |
582 | struct iscsi_flashnode_param_info { |
583 | uint32_t len; /* Actual length of the param */ |
584 | uint16_t param; /* iscsi param value */ |
585 | uint8_t value[0]; /* length sized value follows */ |
586 | } __packed; |
587 | |
588 | enum iscsi_discovery_parent_type { |
589 | ISCSI_DISC_PARENT_UNKNOWN = 0x1, |
590 | ISCSI_DISC_PARENT_SENDTGT = 0x2, |
591 | ISCSI_DISC_PARENT_ISNS = 0x3, |
592 | }; |
593 | |
594 | /* iSCSI port Speed */ |
595 | enum iscsi_port_speed { |
596 | ISCSI_PORT_SPEED_UNKNOWN = 0x1, |
597 | ISCSI_PORT_SPEED_10MBPS = 0x2, |
598 | ISCSI_PORT_SPEED_100MBPS = 0x4, |
599 | ISCSI_PORT_SPEED_1GBPS = 0x8, |
600 | ISCSI_PORT_SPEED_10GBPS = 0x10, |
601 | }; |
602 | |
603 | /* iSCSI port state */ |
604 | enum iscsi_port_state { |
605 | ISCSI_PORT_STATE_DOWN = 0x1, |
606 | ISCSI_PORT_STATE_UP = 0x2, |
607 | }; |
608 | |
609 | /* iSCSI PING status/error code */ |
610 | enum iscsi_ping_status_code { |
611 | ISCSI_PING_SUCCESS = 0, |
612 | ISCSI_PING_FW_DISABLED = 0x1, |
613 | ISCSI_PING_IPADDR_INVALID = 0x2, |
614 | ISCSI_PING_LINKLOCAL_IPV6_ADDR_INVALID = 0x3, |
615 | ISCSI_PING_TIMEOUT = 0x4, |
616 | ISCSI_PING_INVALID_DEST_ADDR = 0x5, |
617 | ISCSI_PING_OVERSIZE_PACKET = 0x6, |
618 | ISCSI_PING_ICMP_ERROR = 0x7, |
619 | ISCSI_PING_MAX_REQ_EXCEEDED = 0x8, |
620 | ISCSI_PING_NO_ARP_RECEIVED = 0x9, |
621 | }; |
622 | |
623 | #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle) |
624 | #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr) |
625 | |
626 | /* |
627 | * These flags presents iSCSI Data-Path capabilities. |
628 | */ |
629 | #define CAP_RECOVERY_L0 0x1 |
630 | #define CAP_RECOVERY_L1 0x2 |
631 | #define CAP_RECOVERY_L2 0x4 |
632 | #define CAP_MULTI_R2T 0x8 |
633 | #define CAP_HDRDGST 0x10 |
634 | #define CAP_DATADGST 0x20 |
635 | #define CAP_MULTI_CONN 0x40 |
636 | #define CAP_TEXT_NEGO 0x80 |
637 | #define CAP_MARKERS 0x100 |
638 | #define CAP_FW_DB 0x200 |
639 | #define CAP_SENDTARGETS_OFFLOAD 0x400 /* offload discovery process */ |
640 | #define CAP_DATA_PATH_OFFLOAD 0x800 /* offload entire IO path */ |
641 | #define CAP_DIGEST_OFFLOAD 0x1000 /* offload hdr and data digests */ |
642 | #define CAP_PADDING_OFFLOAD 0x2000 /* offload padding insertion, removal, |
643 | and verification */ |
644 | #define CAP_LOGIN_OFFLOAD 0x4000 /* offload session login */ |
645 | |
646 | /* |
647 | * These flags describes reason of stop_conn() call |
648 | */ |
649 | #define STOP_CONN_TERM 0x1 |
650 | #define STOP_CONN_SUSPEND 0x2 |
651 | #define STOP_CONN_RECOVER 0x3 |
652 | |
653 | #define ISCSI_STATS_CUSTOM_MAX 32 |
654 | #define ISCSI_STATS_CUSTOM_DESC_MAX 64 |
655 | struct iscsi_stats_custom { |
656 | char desc[ISCSI_STATS_CUSTOM_DESC_MAX]; |
657 | uint64_t value; |
658 | }; |
659 | |
660 | /* |
661 | * struct iscsi_stats - iSCSI Statistics (iSCSI MIB) |
662 | * |
663 | * Note: this structure contains counters collected on per-connection basis. |
664 | */ |
665 | struct iscsi_stats { |
666 | /* octets */ |
667 | uint64_t txdata_octets; |
668 | uint64_t rxdata_octets; |
669 | |
670 | /* xmit pdus */ |
671 | uint32_t noptx_pdus; |
672 | uint32_t scsicmd_pdus; |
673 | uint32_t tmfcmd_pdus; |
674 | uint32_t login_pdus; |
675 | uint32_t text_pdus; |
676 | uint32_t dataout_pdus; |
677 | uint32_t logout_pdus; |
678 | uint32_t snack_pdus; |
679 | |
680 | /* recv pdus */ |
681 | uint32_t noprx_pdus; |
682 | uint32_t scsirsp_pdus; |
683 | uint32_t tmfrsp_pdus; |
684 | uint32_t textrsp_pdus; |
685 | uint32_t datain_pdus; |
686 | uint32_t logoutrsp_pdus; |
687 | uint32_t r2t_pdus; |
688 | uint32_t async_pdus; |
689 | uint32_t rjt_pdus; |
690 | |
691 | /* errors */ |
692 | uint32_t digest_err; |
693 | uint32_t timeout_err; |
694 | |
695 | /* |
696 | * iSCSI Custom Statistics support, i.e. Transport could |
697 | * extend existing MIB statistics with its own specific statistics |
698 | * up to ISCSI_STATS_CUSTOM_MAX |
699 | */ |
700 | uint32_t custom_length; |
701 | struct iscsi_stats_custom custom[0] |
702 | __attribute__ ((aligned (sizeof(uint64_t)))); |
703 | }; |
704 | |
705 | enum chap_type_e { |
706 | CHAP_TYPE_OUT, |
707 | CHAP_TYPE_IN, |
708 | }; |
709 | |
710 | #define ISCSI_CHAP_AUTH_NAME_MAX_LEN 256 |
711 | #define ISCSI_CHAP_AUTH_SECRET_MAX_LEN 256 |
712 | struct iscsi_chap_rec { |
713 | uint16_t chap_tbl_idx; |
714 | enum chap_type_e chap_type; |
715 | char username[ISCSI_CHAP_AUTH_NAME_MAX_LEN]; |
716 | uint8_t password[ISCSI_CHAP_AUTH_SECRET_MAX_LEN]; |
717 | uint8_t password_length; |
718 | }; |
719 | |
720 | #endif |
721 |
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