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Merge tag '6.6-rc-ksmbd' of git://git.samba.org/ksmbd
[linux.git] / include / scsi / iscsi_if.h
CommitLineData
c942fddf 1/* SPDX-License-Identifier: GPL-2.0-or-later */
39e84790
AA		 2/*
3 * iSCSI User/Kernel Shares (Defines, Constants, Protocol definitions, etc)
4 *
5 * Copyright (C) 2005 Dmitry Yusupov
6 * Copyright (C) 2005 Alex Aizman
7 * maintained by [email protected]
39e84790
AA		 8 */
9
10#ifndef ISCSI_IF_H
11#define ISCSI_IF_H
12
13#include <scsi/iscsi_proto.h>
43514774
MC		 14#include <linux/in.h>
15#include <linux/in6.h>
16
17#define ISCSI_NL_GRP_ISCSID 1
18#define ISCSI_NL_GRP_UIP 2
39e84790
AA		 19
20#define UEVENT_BASE 10
21#define KEVENT_BASE 100
22#define ISCSI_ERR_BASE 1000
23
24enum iscsi_uevent_e {
25 ISCSI_UEVENT_UNKNOWN = 0,
26
27 /* down events */
28 ISCSI_UEVENT_CREATE_SESSION = UEVENT_BASE + 1,
29 ISCSI_UEVENT_DESTROY_SESSION = UEVENT_BASE + 2,
30 ISCSI_UEVENT_CREATE_CONN = UEVENT_BASE + 3,
31 ISCSI_UEVENT_DESTROY_CONN = UEVENT_BASE + 4,
32 ISCSI_UEVENT_BIND_CONN = UEVENT_BASE + 5,
33 ISCSI_UEVENT_SET_PARAM = UEVENT_BASE + 6,
34 ISCSI_UEVENT_START_CONN = UEVENT_BASE + 7,
35 ISCSI_UEVENT_STOP_CONN = UEVENT_BASE + 8,
36 ISCSI_UEVENT_SEND_PDU = UEVENT_BASE + 9,
37 ISCSI_UEVENT_GET_STATS = UEVENT_BASE + 10,
38 ISCSI_UEVENT_GET_PARAM = UEVENT_BASE + 11,
39
264faaaa
OG		 40 ISCSI_UEVENT_TRANSPORT_EP_CONNECT = UEVENT_BASE + 12,
41 ISCSI_UEVENT_TRANSPORT_EP_POLL = UEVENT_BASE + 13,
42 ISCSI_UEVENT_TRANSPORT_EP_DISCONNECT = UEVENT_BASE + 14,
43
01cb225d 44 ISCSI_UEVENT_TGT_DSCVR = UEVENT_BASE + 15,
1d9bf13a 45 ISCSI_UEVENT_SET_HOST_PARAM = UEVENT_BASE + 16,
26974789 46 ISCSI_UEVENT_UNBIND_SESSION = UEVENT_BASE + 17,
10eb0f01
MC		 47 ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18,
48 ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST = UEVENT_BASE + 19,
01cb225d 49
43514774 50 ISCSI_UEVENT_PATH_UPDATE = UEVENT_BASE + 20,
56c155b5 51 ISCSI_UEVENT_SET_IFACE_PARAMS = UEVENT_BASE + 21,
ac20c7bf 52 ISCSI_UEVENT_PING = UEVENT_BASE + 22,
6260a5d2
NJ		 53 ISCSI_UEVENT_GET_CHAP = UEVENT_BASE + 23,
54 ISCSI_UEVENT_DELETE_CHAP = UEVENT_BASE + 24,
c6a4bb2e
AC		 55 ISCSI_UEVENT_SET_FLASHNODE_PARAMS = UEVENT_BASE + 25,
56 ISCSI_UEVENT_NEW_FLASHNODE = UEVENT_BASE + 26,
57 ISCSI_UEVENT_DEL_FLASHNODE = UEVENT_BASE + 27,
58 ISCSI_UEVENT_LOGIN_FLASHNODE = UEVENT_BASE + 28,
59 ISCSI_UEVENT_LOGOUT_FLASHNODE = UEVENT_BASE + 29,
60 ISCSI_UEVENT_LOGOUT_FLASHNODE_SID = UEVENT_BASE + 30,
3af142fe 61 ISCSI_UEVENT_SET_CHAP = UEVENT_BASE + 31,
6fa7c554 62 ISCSI_UEVENT_GET_HOST_STATS = UEVENT_BASE + 32,
cc6b32ee 63 ISCSI_UEVENT_DESTROY_SESSION_ASYNC = UEVENT_BASE + 33,
43514774 64
39e84790
AA		 65 /* up events */
66 ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1,
67 ISCSI_KEVENT_CONN_ERROR = KEVENT_BASE + 2,
68 ISCSI_KEVENT_IF_ERROR = KEVENT_BASE + 3,
53cb8a1f 69 ISCSI_KEVENT_DESTROY_SESSION = KEVENT_BASE + 4,
26974789
MC		 70 ISCSI_KEVENT_UNBIND_SESSION = KEVENT_BASE + 5,
71 ISCSI_KEVENT_CREATE_SESSION = KEVENT_BASE + 6,
43514774
MC		 72
73 ISCSI_KEVENT_PATH_REQ = KEVENT_BASE + 7,
74 ISCSI_KEVENT_IF_DOWN = KEVENT_BASE + 8,
17fa575e 75 ISCSI_KEVENT_CONN_LOGIN_STATE = KEVENT_BASE + 9,
a11e2545 76 ISCSI_KEVENT_HOST_EVENT = KEVENT_BASE + 10,
ac20c7bf 77 ISCSI_KEVENT_PING_COMP = KEVENT_BASE + 11,
39e84790
AA		 78};
79
01cb225d
MC		 80enum iscsi_tgt_dscvr {
81 ISCSI_TGT_DSCVR_SEND_TARGETS = 1,
82 ISCSI_TGT_DSCVR_ISNS = 2,
83 ISCSI_TGT_DSCVR_SLP = 3,
84};
85
a11e2545
VC		 86enum iscsi_host_event_code {
87 ISCSI_EVENT_LINKUP = 1,
88 ISCSI_EVENT_LINKDOWN,
89 /* must always be last */
90 ISCSI_EVENT_MAX,
91};
92
39e84790
AA		 93struct iscsi_uevent {
94 uint32_t type; /* k/u events type */
95 uint32_t iferror; /* carries interface or resource errors */
96 uint64_t transport_handle;
97
98 union {
99 /* messages u -> k */
100 struct msg_create_session {
101 uint32_t initial_cmdsn;
1548271e
MC		 102 uint16_t cmds_max;
103 uint16_t queue_depth;
39e84790 104 } c_session;
40753caa 105 struct msg_create_bound_session {
d82ff9be 106 uint64_t ep_handle;
40753caa
MC		 107 uint32_t initial_cmdsn;
108 uint16_t cmds_max;
109 uint16_t queue_depth;
110 } c_bound_session;
39e84790 111 struct msg_destroy_session {
39e84790
AA		 112 uint32_t sid;
113 } d_session;
114 struct msg_create_conn {
39e84790 115 uint32_t sid;
b5c7a12d 116 uint32_t cid;
39e84790
AA		 117 } c_conn;
118 struct msg_bind_conn {
b5c7a12d
MC		 119 uint32_t sid;
120 uint32_t cid;
264faaaa 121 uint64_t transport_eph;
39e84790
AA		 122 uint32_t is_leading;
123 } b_conn;
124 struct msg_destroy_conn {
b5c7a12d 125 uint32_t sid;
39e84790
AA		 126 uint32_t cid;
127 } d_conn;
128 struct msg_send_pdu {
b5c7a12d
MC		 129 uint32_t sid;
130 uint32_t cid;
39e84790
AA		 131 uint32_t hdr_size;
132 uint32_t data_size;
39e84790
AA		 133 } send_pdu;
134 struct msg_set_param {
b5c7a12d
MC		 135 uint32_t sid;
136 uint32_t cid;
39e84790 137 uint32_t param; /* enum iscsi_param */
fd7255f5 138 uint32_t len;
39e84790
AA		 139 } set_param;
140 struct msg_start_conn {
b5c7a12d
MC		 141 uint32_t sid;
142 uint32_t cid;
39e84790
AA		 143 } start_conn;
144 struct msg_stop_conn {
b5c7a12d
MC		 145 uint32_t sid;
146 uint32_t cid;
39e84790
AA		 147 uint64_t conn_handle;
148 uint32_t flag;
149 } stop_conn;
150 struct msg_get_stats {
b5c7a12d
MC		 151 uint32_t sid;
152 uint32_t cid;
39e84790 153 } get_stats;
264faaaa
OG		 154 struct msg_transport_connect {
155 uint32_t non_blocking;
156 } ep_connect;
10eb0f01
MC		 157 struct msg_transport_connect_through_host {
158 uint32_t host_no;
159 uint32_t non_blocking;
160 } ep_connect_through_host;
264faaaa
OG		 161 struct msg_transport_poll {
162 uint64_t ep_handle;
163 uint32_t timeout_ms;
164 } ep_poll;
165 struct msg_transport_disconnect {
166 uint64_t ep_handle;
167 } ep_disconnect;
01cb225d
MC		 168 struct msg_tgt_dscvr {
169 enum iscsi_tgt_dscvr type;
170 uint32_t host_no;
171 /*
172 * enable = 1 to establish a new connection
173 * with the server. enable = 0 to disconnect
174 * from the server. Used primarily to switch
175 * from one iSNS server to another.
176 */
177 uint32_t enable;
178 } tgt_dscvr;
1d9bf13a
MC		 179 struct msg_set_host_param {
180 uint32_t host_no;
181 uint32_t param; /* enum iscsi_host_param */
182 uint32_t len;
183 } set_host_param;
43514774
MC		 184 struct msg_set_path {
185 uint32_t host_no;
186 } set_path;
56c155b5
MC		 187 struct msg_set_iface_params {
188 uint32_t host_no;
189 uint32_t count;
190 } set_iface_params;
ac20c7bf
VC		 191 struct msg_iscsi_ping {
192 uint32_t host_no;
193 uint32_t iface_num;
194 uint32_t iface_type;
195 uint32_t payload_size;
196 uint32_t pid; /* unique ping id associated
197 with each ping request */
198 } iscsi_ping;
6260a5d2
NJ		 199 struct msg_get_chap {
200 uint32_t host_no;
201 uint32_t num_entries; /* number of CHAP entries
202 * on request, number of
203 * valid CHAP entries on
204 * response */
205 uint16_t chap_tbl_idx;
206 } get_chap;
207 struct msg_delete_chap {
208 uint32_t host_no;
209 uint16_t chap_tbl_idx;
210 } delete_chap;
c6a4bb2e
AC		 211 struct msg_set_flashnode_param {
212 uint32_t host_no;
213 uint32_t flashnode_idx;
214 uint32_t count;
215 } set_flashnode;
216 struct msg_new_flashnode {
217 uint32_t host_no;
218 uint32_t len;
219 } new_flashnode;
220 struct msg_del_flashnode {
221 uint32_t host_no;
222 uint32_t flashnode_idx;
223 } del_flashnode;
224 struct msg_login_flashnode {
225 uint32_t host_no;
226 uint32_t flashnode_idx;
227 } login_flashnode;
228 struct msg_logout_flashnode {
229 uint32_t host_no;
230 uint32_t flashnode_idx;
231 } logout_flashnode;
232 struct msg_logout_flashnode_sid {
233 uint32_t host_no;
234 uint32_t sid;
235 } logout_flashnode_sid;
6fa7c554
LC		 236 struct msg_get_host_stats {
237 uint32_t host_no;
238 } get_host_stats;
39e84790
AA		 239 } u;
240 union {
241 /* messages k -> u */
39e84790
AA		 242 int retcode;
243 struct msg_create_session_ret {
39e84790 244 uint32_t sid;
b5c7a12d 245 uint32_t host_no;
39e84790 246 } c_session_ret;
b5c7a12d
MC		 247 struct msg_create_conn_ret {
248 uint32_t sid;
249 uint32_t cid;
250 } c_conn_ret;
26974789
MC		 251 struct msg_unbind_session {
252 uint32_t sid;
253 uint32_t host_no;
254 } unbind_session;
39e84790 255 struct msg_recv_req {
b5c7a12d
MC		 256 uint32_t sid;
257 uint32_t cid;
39e84790 258 uint64_t recv_handle;
39e84790 259 } recv_req;
17fa575e
MR		 260 struct msg_conn_login {
261 uint32_t sid;
262 uint32_t cid;
263 uint32_t state; /* enum iscsi_conn_state */
264 } conn_login;
39e84790 265 struct msg_conn_error {
b5c7a12d
MC		 266 uint32_t sid;
267 uint32_t cid;
39e84790
AA		 268 uint32_t error; /* enum iscsi_err */
269 } connerror;
53cb8a1f
MC		 270 struct msg_session_destroyed {
271 uint32_t host_no;
272 uint32_t sid;
273 } d_session;
264faaaa
OG		 274 struct msg_transport_connect_ret {
275 uint64_t handle;
276 } ep_connect_ret;
43514774
MC		 277 struct msg_req_path {
278 uint32_t host_no;
279 } req_path;
280 struct msg_notify_if_down {
281 uint32_t host_no;
282 } notify_if_down;
a11e2545
VC		 283 struct msg_host_event {
284 uint32_t host_no;
285 uint32_t data_size;
286 enum iscsi_host_event_code code;
287 } host_event;
ac20c7bf
VC		 288 struct msg_ping_comp {
289 uint32_t host_no;
1a590cab
VC		 290 uint32_t status; /* enum
291 * iscsi_ping_status_code */
ac20c7bf
VC		 292 uint32_t pid; /* unique ping id associated
293 with each ping request */
294 uint32_t data_size;
295 } ping_comp;
c6a4bb2e
AC		 296 struct msg_new_flashnode_ret {
297 uint32_t flashnode_idx;
298 } new_flashnode_ret;
39e84790
AA		 299 } r;
300} __attribute__ ((aligned (sizeof(uint64_t))));
301
56c155b5
MC		 302enum iscsi_param_type {
303 ISCSI_PARAM, /* iscsi_param (session, conn, target, LU) */
304 ISCSI_HOST_PARAM, /* iscsi_host_param */
305 ISCSI_NET_PARAM, /* iscsi_net_param */
c6a4bb2e 306 ISCSI_FLASHNODE_PARAM, /* iscsi_flashnode_param */
3af142fe 307 ISCSI_CHAP_PARAM, /* iscsi_chap_param */
3e0f65b3 308 ISCSI_IFACE_PARAM, /* iscsi_iface_param */
56c155b5
MC		 309};
310
3af142fe
AC		 311/* structure for minimalist usecase */
312struct iscsi_param_info {
313 uint32_t len; /* Actual length of the param value */
314 uint16_t param; /* iscsi param */
5febf6d6 315 uint8_t value[]; /* length sized value follows */
3af142fe
AC		 316} __packed;
317
56c155b5
MC		 318struct iscsi_iface_param_info {
319 uint32_t iface_num; /* iface number, 0 - n */
320 uint32_t len; /* Actual length of the param */
321 uint16_t param; /* iscsi param value */
322 uint8_t iface_type; /* IPv4 or IPv6 */
323 uint8_t param_type; /* iscsi_param_type */
5febf6d6 324 uint8_t value[]; /* length sized value follows */
56c155b5
MC		 325} __packed;
326
43514774
MC		 327/*
328 * To keep the struct iscsi_uevent size the same for userspace code
329 * compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and
330 * ISCSI_KEVENT_PATH_REQ is defined separately and comes after the
331 * struct iscsi_uevent in the NETLINK_ISCSI message.
332 */
333struct iscsi_path {
334 uint64_t handle;
335 uint8_t mac_addr[6];
336 uint8_t mac_addr_old[6];
337 uint32_t ip_addr_len; /* 4 or 16 */
338 union {
339 struct in_addr v4_addr;
340 struct in6_addr v6_addr;
341 } src;
342 union {
343 struct in_addr v4_addr;
344 struct in6_addr v6_addr;
345 } dst;
346 uint16_t vlan_id;
347 uint16_t pmtu;
348} __attribute__ ((aligned (sizeof(uint64_t))));
349
56c155b5
MC		 350/* iscsi iface enabled/disabled setting */
351#define ISCSI_IFACE_DISABLE 0x01
352#define ISCSI_IFACE_ENABLE 0x02
353
354/* ipv4 bootproto */
355#define ISCSI_BOOTPROTO_STATIC 0x01
356#define ISCSI_BOOTPROTO_DHCP 0x02
357
358/* ipv6 addr autoconfig type */
359#define ISCSI_IPV6_AUTOCFG_DISABLE 0x01
360#define ISCSI_IPV6_AUTOCFG_ND_ENABLE 0x02
361#define ISCSI_IPV6_AUTOCFG_DHCPV6_ENABLE 0x03
362
363/* ipv6 link local addr type */
364#define ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE 0x01
365#define ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE 0x02
366
367/* ipv6 router addr type */
368#define ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE 0x01
369#define ISCSI_IPV6_ROUTER_AUTOCFG_DISABLE 0x02
370
371#define ISCSI_IFACE_TYPE_IPV4 0x01
372#define ISCSI_IFACE_TYPE_IPV6 0x02
373
4223b9e9
MC		 374#define ISCSI_MAX_VLAN_ID 4095
375#define ISCSI_MAX_VLAN_PRIORITY 7
376
377/* iscsi vlan enable/disabled setting */
378#define ISCSI_VLAN_DISABLE 0x01
379#define ISCSI_VLAN_ENABLE 0x02
380
3e0f65b3
HZ		 381/* iscsi generic enable/disabled setting for various features */
382#define ISCSI_NET_PARAM_DISABLE 0x01
383#define ISCSI_NET_PARAM_ENABLE 0x02
384
56c155b5
MC		 385/* iSCSI network params */
386enum iscsi_net_param {
387 ISCSI_NET_PARAM_IPV4_ADDR = 1,
b867cda4
HZ		 388 ISCSI_NET_PARAM_IPV4_SUBNET,
389 ISCSI_NET_PARAM_IPV4_GW,
390 ISCSI_NET_PARAM_IPV4_BOOTPROTO,
391 ISCSI_NET_PARAM_MAC,
392 ISCSI_NET_PARAM_IPV6_LINKLOCAL,
393 ISCSI_NET_PARAM_IPV6_ADDR,
394 ISCSI_NET_PARAM_IPV6_ROUTER,
395 ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG,
396 ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG,
397 ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG,
398 ISCSI_NET_PARAM_IFACE_ENABLE,
399 ISCSI_NET_PARAM_VLAN_ID,
400 ISCSI_NET_PARAM_VLAN_PRIORITY,
401 ISCSI_NET_PARAM_VLAN_ENABLED,
402 ISCSI_NET_PARAM_VLAN_TAG,
403 ISCSI_NET_PARAM_IFACE_TYPE,
404 ISCSI_NET_PARAM_IFACE_NAME,
405 ISCSI_NET_PARAM_MTU,
406 ISCSI_NET_PARAM_PORT,
3e0f65b3
HZ		 407 ISCSI_NET_PARAM_IPADDR_STATE,
408 ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE,
409 ISCSI_NET_PARAM_IPV6_ROUTER_STATE,
410 ISCSI_NET_PARAM_DELAYED_ACK_EN,
411 ISCSI_NET_PARAM_TCP_NAGLE_DISABLE,
412 ISCSI_NET_PARAM_TCP_WSF_DISABLE,
413 ISCSI_NET_PARAM_TCP_WSF,
414 ISCSI_NET_PARAM_TCP_TIMER_SCALE,
415 ISCSI_NET_PARAM_TCP_TIMESTAMP_EN,
416 ISCSI_NET_PARAM_CACHE_ID,
417 ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN,
418 ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN,
419 ISCSI_NET_PARAM_IPV4_TOS_EN,
420 ISCSI_NET_PARAM_IPV4_TOS,
421 ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN,
422 ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN,
423 ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID,
424 ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN,
425 ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN,
426 ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID,
427 ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN,
428 ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE,
429 ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN,
430 ISCSI_NET_PARAM_IPV4_TTL,
431 ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN,
432 ISCSI_NET_PARAM_IPV6_MLD_EN,
433 ISCSI_NET_PARAM_IPV6_FLOW_LABEL,
434 ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS,
435 ISCSI_NET_PARAM_IPV6_HOP_LIMIT,
436 ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO,
437 ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME,
438 ISCSI_NET_PARAM_IPV6_ND_STALE_TMO,
439 ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT,
440 ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU,
441 ISCSI_NET_PARAM_REDIRECT_EN,
442};
443
444enum iscsi_ipaddress_state {
445 ISCSI_IPDDRESS_STATE_UNCONFIGURED,
446 ISCSI_IPDDRESS_STATE_ACQUIRING,
447 ISCSI_IPDDRESS_STATE_TENTATIVE,
448 ISCSI_IPDDRESS_STATE_VALID,
449 ISCSI_IPDDRESS_STATE_DISABLING,
450 ISCSI_IPDDRESS_STATE_INVALID,
451 ISCSI_IPDDRESS_STATE_DEPRECATED,
452};
453
454enum iscsi_router_state {
455 ISCSI_ROUTER_STATE_UNKNOWN,
456 ISCSI_ROUTER_STATE_ADVERTISED,
457 ISCSI_ROUTER_STATE_MANUAL,
458 ISCSI_ROUTER_STATE_STALE,
459};
460
461/* iSCSI specific settings params for iface */
462enum iscsi_iface_param {
463 ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO,
464 ISCSI_IFACE_PARAM_HDRDGST_EN,
465 ISCSI_IFACE_PARAM_DATADGST_EN,
466 ISCSI_IFACE_PARAM_IMM_DATA_EN,
467 ISCSI_IFACE_PARAM_INITIAL_R2T_EN,
468 ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN,
469 ISCSI_IFACE_PARAM_PDU_INORDER_EN,
470 ISCSI_IFACE_PARAM_ERL,
471 ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH,
472 ISCSI_IFACE_PARAM_FIRST_BURST,
473 ISCSI_IFACE_PARAM_MAX_R2T,
474 ISCSI_IFACE_PARAM_MAX_BURST,
475 ISCSI_IFACE_PARAM_CHAP_AUTH_EN,
476 ISCSI_IFACE_PARAM_BIDI_CHAP_EN,
477 ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL,
478 ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN,
479 ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN,
480 ISCSI_IFACE_PARAM_INITIATOR_NAME,
56c155b5
MC		 481};
482
17fa575e
MR		 483enum iscsi_conn_state {
484 ISCSI_CONN_STATE_FREE,
485 ISCSI_CONN_STATE_XPT_WAIT,
486 ISCSI_CONN_STATE_IN_LOGIN,
487 ISCSI_CONN_STATE_LOGGED_IN,
488 ISCSI_CONN_STATE_IN_LOGOUT,
489 ISCSI_CONN_STATE_LOGOUT_REQUESTED,
490 ISCSI_CONN_STATE_CLEANUP_WAIT,
491};
492
39e84790
AA		 493/*
494 * Common error codes
495 */
496enum iscsi_err {
497 ISCSI_OK = 0,
498
499 ISCSI_ERR_DATASN = ISCSI_ERR_BASE + 1,
500 ISCSI_ERR_DATA_OFFSET = ISCSI_ERR_BASE + 2,
501 ISCSI_ERR_MAX_CMDSN = ISCSI_ERR_BASE + 3,
502 ISCSI_ERR_EXP_CMDSN = ISCSI_ERR_BASE + 4,
503 ISCSI_ERR_BAD_OPCODE = ISCSI_ERR_BASE + 5,
504 ISCSI_ERR_DATALEN = ISCSI_ERR_BASE + 6,
505 ISCSI_ERR_AHSLEN = ISCSI_ERR_BASE + 7,
506 ISCSI_ERR_PROTO = ISCSI_ERR_BASE + 8,
507 ISCSI_ERR_LUN = ISCSI_ERR_BASE + 9,
508 ISCSI_ERR_BAD_ITT = ISCSI_ERR_BASE + 10,
509 ISCSI_ERR_CONN_FAILED = ISCSI_ERR_BASE + 11,
510 ISCSI_ERR_R2TSN = ISCSI_ERR_BASE + 12,
511 ISCSI_ERR_SESSION_FAILED = ISCSI_ERR_BASE + 13,
512 ISCSI_ERR_HDR_DGST = ISCSI_ERR_BASE + 14,
513 ISCSI_ERR_DATA_DGST = ISCSI_ERR_BASE + 15,
7996a778
MC		 514 ISCSI_ERR_PARAM_NOT_FOUND = ISCSI_ERR_BASE + 16,
515 ISCSI_ERR_NO_SCSI_CMD = ISCSI_ERR_BASE + 17,
e5bd7b54 516 ISCSI_ERR_INVALID_HOST = ISCSI_ERR_BASE + 18,
6f481e3c 517 ISCSI_ERR_XMIT_FAILED = ISCSI_ERR_BASE + 19,
d1af8a32 518 ISCSI_ERR_TCP_CONN_CLOSE = ISCSI_ERR_BASE + 20,
df4da5cd 519 ISCSI_ERR_SCSI_EH_SESSION_RST = ISCSI_ERR_BASE + 21,
09ff742c 520 ISCSI_ERR_NOP_TIMEDOUT = ISCSI_ERR_BASE + 22,
39e84790
AA		 521};
522
523/*
524 * iSCSI Parameters (RFC3720)
525 */
526enum iscsi_param {
fd7255f5
MC		 527 /* passed in using netlink set param */
528 ISCSI_PARAM_MAX_RECV_DLENGTH,
529 ISCSI_PARAM_MAX_XMIT_DLENGTH,
530 ISCSI_PARAM_HDRDGST_EN,
531 ISCSI_PARAM_DATADGST_EN,
532 ISCSI_PARAM_INITIAL_R2T_EN,
533 ISCSI_PARAM_MAX_R2T,
534 ISCSI_PARAM_IMM_DATA_EN,
535 ISCSI_PARAM_FIRST_BURST,
536 ISCSI_PARAM_MAX_BURST,
537 ISCSI_PARAM_PDU_INORDER_EN,
538 ISCSI_PARAM_DATASEQ_INORDER_EN,
539 ISCSI_PARAM_ERL,
540 ISCSI_PARAM_IFMARKER_EN,
541 ISCSI_PARAM_OFMARKER_EN,
8d2860b3 542 ISCSI_PARAM_EXP_STATSN,
fd7255f5
MC		 543 ISCSI_PARAM_TARGET_NAME,
544 ISCSI_PARAM_TPGT,
545 ISCSI_PARAM_PERSISTENT_ADDRESS,
546 ISCSI_PARAM_PERSISTENT_PORT,
30a6c652 547 ISCSI_PARAM_SESS_RECOVERY_TMO,
fd7255f5 548
25985edc 549 /* passed in through bind conn using transport_fd */
fd7255f5
MC		 550 ISCSI_PARAM_CONN_PORT,
551 ISCSI_PARAM_CONN_ADDRESS,
552
b2c64167
MC		 553 ISCSI_PARAM_USERNAME,
554 ISCSI_PARAM_USERNAME_IN,
555 ISCSI_PARAM_PASSWORD,
556 ISCSI_PARAM_PASSWORD_IN,
557
843c0a8a 558 ISCSI_PARAM_FAST_ABORT,
f6d5180c
MC		 559 ISCSI_PARAM_ABORT_TMO,
560 ISCSI_PARAM_LU_RESET_TMO,
561 ISCSI_PARAM_HOST_RESET_TMO,
562
563 ISCSI_PARAM_PING_TMO,
564 ISCSI_PARAM_RECV_TMO,
88dfd340
MC		 565
566 ISCSI_PARAM_IFACE_NAME,
567 ISCSI_PARAM_ISID,
568 ISCSI_PARAM_INITIATOR_NAME,
3fe5ae8b
MC		 569
570 ISCSI_PARAM_TGT_RESET_TMO,
3b2bef1f 571 ISCSI_PARAM_TARGET_ALIAS,
30534952
MC		 572
573 ISCSI_PARAM_CHAP_IN_IDX,
574 ISCSI_PARAM_CHAP_OUT_IDX,
3b9373e9
EW		 575
576 ISCSI_PARAM_BOOT_ROOT,
577 ISCSI_PARAM_BOOT_NIC,
578 ISCSI_PARAM_BOOT_TARGET,
579
ae542edb
AC		 580 ISCSI_PARAM_AUTO_SND_TGT_DISABLE,
581 ISCSI_PARAM_DISCOVERY_SESS,
582 ISCSI_PARAM_PORTAL_TYPE,
583 ISCSI_PARAM_CHAP_AUTH_EN,
584 ISCSI_PARAM_DISCOVERY_LOGOUT_EN,
585 ISCSI_PARAM_BIDI_CHAP_EN,
586 ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL,
587
588 ISCSI_PARAM_DEF_TIME2WAIT,
589 ISCSI_PARAM_DEF_TIME2RETAIN,
590 ISCSI_PARAM_MAX_SEGMENT_SIZE,
591 ISCSI_PARAM_STATSN,
592 ISCSI_PARAM_KEEPALIVE_TMO,
593 ISCSI_PARAM_LOCAL_PORT,
594 ISCSI_PARAM_TSID,
595 ISCSI_PARAM_DEF_TASKMGMT_TMO,
596
597 ISCSI_PARAM_TCP_TIMESTAMP_STAT,
598 ISCSI_PARAM_TCP_WSF_DISABLE,
599 ISCSI_PARAM_TCP_NAGLE_DISABLE,
600 ISCSI_PARAM_TCP_TIMER_SCALE,
601 ISCSI_PARAM_TCP_TIMESTAMP_EN,
602 ISCSI_PARAM_TCP_XMIT_WSF,
603 ISCSI_PARAM_TCP_RECV_WSF,
604 ISCSI_PARAM_IP_FRAGMENT_DISABLE,
605 ISCSI_PARAM_IPV4_TOS,
606 ISCSI_PARAM_IPV6_TC,
607 ISCSI_PARAM_IPV6_FLOW_LABEL,
608 ISCSI_PARAM_IS_FW_ASSIGNED_IPV6,
609
610 ISCSI_PARAM_DISCOVERY_PARENT_IDX,
611 ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
5af62f24 612 ISCSI_PARAM_LOCAL_IPADDR,
fd7255f5
MC		 613 /* must always be last */
614 ISCSI_PARAM_MAX,
39e84790 615};
fd7255f5 616
1819dc81
MC		 617/* iSCSI HBA params */
618enum iscsi_host_param {
619 ISCSI_HOST_PARAM_HWADDRESS,
8ad5781a 620 ISCSI_HOST_PARAM_INITIATOR_NAME,
d8196ed2 621 ISCSI_HOST_PARAM_NETDEV_NAME,
22236961 622 ISCSI_HOST_PARAM_IPADDRESS,
aeddde29
VC		 623 ISCSI_HOST_PARAM_PORT_STATE,
624 ISCSI_HOST_PARAM_PORT_SPEED,
1819dc81
MC		 625 ISCSI_HOST_PARAM_MAX,
626};
627
2902eb49
AC		 628/* portal type */
629#define PORTAL_TYPE_IPV4 "ipv4"
630#define PORTAL_TYPE_IPV6 "ipv6"
631
c6a4bb2e
AC		 632/* iSCSI Flash Target params */
633enum iscsi_flashnode_param {
634 ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6,
635 ISCSI_FLASHNODE_PORTAL_TYPE,
636 ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE,
637 ISCSI_FLASHNODE_DISCOVERY_SESS,
638 ISCSI_FLASHNODE_ENTRY_EN,
639 ISCSI_FLASHNODE_HDR_DGST_EN,
640 ISCSI_FLASHNODE_DATA_DGST_EN,
641 ISCSI_FLASHNODE_IMM_DATA_EN,
642 ISCSI_FLASHNODE_INITIAL_R2T_EN,
643 ISCSI_FLASHNODE_DATASEQ_INORDER,
644 ISCSI_FLASHNODE_PDU_INORDER,
645 ISCSI_FLASHNODE_CHAP_AUTH_EN,
646 ISCSI_FLASHNODE_SNACK_REQ_EN,
647 ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN,
648 ISCSI_FLASHNODE_BIDI_CHAP_EN,
649 /* make authentication for discovery sessions optional */
650 ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL,
651 ISCSI_FLASHNODE_ERL,
652 ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT,
653 ISCSI_FLASHNODE_TCP_NAGLE_DISABLE,
654 ISCSI_FLASHNODE_TCP_WSF_DISABLE,
655 ISCSI_FLASHNODE_TCP_TIMER_SCALE,
656 ISCSI_FLASHNODE_TCP_TIMESTAMP_EN,
657 ISCSI_FLASHNODE_IP_FRAG_DISABLE,
658 ISCSI_FLASHNODE_MAX_RECV_DLENGTH,
659 ISCSI_FLASHNODE_MAX_XMIT_DLENGTH,
660 ISCSI_FLASHNODE_FIRST_BURST,
661 ISCSI_FLASHNODE_DEF_TIME2WAIT,
662 ISCSI_FLASHNODE_DEF_TIME2RETAIN,
663 ISCSI_FLASHNODE_MAX_R2T,
664 ISCSI_FLASHNODE_KEEPALIVE_TMO,
665 ISCSI_FLASHNODE_ISID,
666 ISCSI_FLASHNODE_TSID,
667 ISCSI_FLASHNODE_PORT,
668 ISCSI_FLASHNODE_MAX_BURST,
669 ISCSI_FLASHNODE_DEF_TASKMGMT_TMO,
670 ISCSI_FLASHNODE_IPADDR,
671 ISCSI_FLASHNODE_ALIAS,
672 ISCSI_FLASHNODE_REDIRECT_IPADDR,
673 ISCSI_FLASHNODE_MAX_SEGMENT_SIZE,
674 ISCSI_FLASHNODE_LOCAL_PORT,
675 ISCSI_FLASHNODE_IPV4_TOS,
676 ISCSI_FLASHNODE_IPV6_TC,
677 ISCSI_FLASHNODE_IPV6_FLOW_LABEL,
678 ISCSI_FLASHNODE_NAME,
679 ISCSI_FLASHNODE_TPGT,
680 ISCSI_FLASHNODE_LINK_LOCAL_IPV6,
681 ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX,
682 ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE,
683 ISCSI_FLASHNODE_TCP_XMIT_WSF,
684 ISCSI_FLASHNODE_TCP_RECV_WSF,
685 ISCSI_FLASHNODE_CHAP_IN_IDX,
686 ISCSI_FLASHNODE_CHAP_OUT_IDX,
687 ISCSI_FLASHNODE_USERNAME,
688 ISCSI_FLASHNODE_USERNAME_IN,
689 ISCSI_FLASHNODE_PASSWORD,
690 ISCSI_FLASHNODE_PASSWORD_IN,
691 ISCSI_FLASHNODE_STATSN,
692 ISCSI_FLASHNODE_EXP_STATSN,
693 ISCSI_FLASHNODE_IS_BOOT_TGT,
694
695 ISCSI_FLASHNODE_MAX,
696};
697
698struct iscsi_flashnode_param_info {
699 uint32_t len; /* Actual length of the param */
700 uint16_t param; /* iscsi param value */
5febf6d6 701 uint8_t value[]; /* length sized value follows */
c6a4bb2e
AC		 702} __packed;
703
704enum iscsi_discovery_parent_type {
705 ISCSI_DISC_PARENT_UNKNOWN = 0x1,
706 ISCSI_DISC_PARENT_SENDTGT = 0x2,
707 ISCSI_DISC_PARENT_ISNS = 0x3,
708};
709
aeddde29
VC		 710/* iSCSI port Speed */
711enum iscsi_port_speed {
712 ISCSI_PORT_SPEED_UNKNOWN = 0x1,
713 ISCSI_PORT_SPEED_10MBPS = 0x2,
714 ISCSI_PORT_SPEED_100MBPS = 0x4,
715 ISCSI_PORT_SPEED_1GBPS = 0x8,
716 ISCSI_PORT_SPEED_10GBPS = 0x10,
f9e4fa46
JB		 717 ISCSI_PORT_SPEED_25GBPS = 0x20,
718 ISCSI_PORT_SPEED_40GBPS = 0x40,
aeddde29
VC		 719};
720
721/* iSCSI port state */
722enum iscsi_port_state {
723 ISCSI_PORT_STATE_DOWN = 0x1,
724 ISCSI_PORT_STATE_UP = 0x2,
725};
726
1a590cab
VC		 727/* iSCSI PING status/error code */
728enum iscsi_ping_status_code {
729 ISCSI_PING_SUCCESS = 0,
730 ISCSI_PING_FW_DISABLED = 0x1,
731 ISCSI_PING_IPADDR_INVALID = 0x2,
732 ISCSI_PING_LINKLOCAL_IPV6_ADDR_INVALID = 0x3,
733 ISCSI_PING_TIMEOUT = 0x4,
734 ISCSI_PING_INVALID_DEST_ADDR = 0x5,
735 ISCSI_PING_OVERSIZE_PACKET = 0x6,
736 ISCSI_PING_ICMP_ERROR = 0x7,
737 ISCSI_PING_MAX_REQ_EXCEEDED = 0x8,
738 ISCSI_PING_NO_ARP_RECEIVED = 0x9,
739};
740
39e84790
AA		 741#define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
742#define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
39e84790
AA		 743
744/*
745 * These flags presents iSCSI Data-Path capabilities.
746 */
747#define CAP_RECOVERY_L0 0x1
748#define CAP_RECOVERY_L1 0x2
749#define CAP_RECOVERY_L2 0x4
750#define CAP_MULTI_R2T 0x8
751#define CAP_HDRDGST 0x10
752#define CAP_DATADGST 0x20
753#define CAP_MULTI_CONN 0x40
754#define CAP_TEXT_NEGO 0x80
755#define CAP_MARKERS 0x100
0ab823db 756#define CAP_FW_DB 0x200
63c62f1c
MC		 757#define CAP_SENDTARGETS_OFFLOAD 0x400 /* offload discovery process */
758#define CAP_DATA_PATH_OFFLOAD 0x800 /* offload entire IO path */
759#define CAP_DIGEST_OFFLOAD 0x1000 /* offload hdr and data digests */
6df19a79
MC		 760#define CAP_PADDING_OFFLOAD 0x2000 /* offload padding insertion, removal,
761 and verification */
17fa575e 762#define CAP_LOGIN_OFFLOAD 0x4000 /* offload session login */
39e84790
AA		 763
764/*
765 * These flags describes reason of stop_conn() call
766 */
767#define STOP_CONN_TERM 0x1
768#define STOP_CONN_SUSPEND 0x2
769#define STOP_CONN_RECOVER 0x3
770
771#define ISCSI_STATS_CUSTOM_MAX 32
772#define ISCSI_STATS_CUSTOM_DESC_MAX 64
773struct iscsi_stats_custom {
774 char desc[ISCSI_STATS_CUSTOM_DESC_MAX];
775 uint64_t value;
776};
777
778/*
779 * struct iscsi_stats - iSCSI Statistics (iSCSI MIB)
780 *
781 * Note: this structure contains counters collected on per-connection basis.
782 */
783struct iscsi_stats {
784 /* octets */
785 uint64_t txdata_octets;
786 uint64_t rxdata_octets;
787
788 /* xmit pdus */
789 uint32_t noptx_pdus;
790 uint32_t scsicmd_pdus;
791 uint32_t tmfcmd_pdus;
792 uint32_t login_pdus;
793 uint32_t text_pdus;
794 uint32_t dataout_pdus;
795 uint32_t logout_pdus;
796 uint32_t snack_pdus;
797
798 /* recv pdus */
799 uint32_t noprx_pdus;
800 uint32_t scsirsp_pdus;
801 uint32_t tmfrsp_pdus;
802 uint32_t textrsp_pdus;
803 uint32_t datain_pdus;
804 uint32_t logoutrsp_pdus;
805 uint32_t r2t_pdus;
806 uint32_t async_pdus;
807 uint32_t rjt_pdus;
808
809 /* errors */
810 uint32_t digest_err;
811 uint32_t timeout_err;
812
813 /*
814 * iSCSI Custom Statistics support, i.e. Transport could
815 * extend existing MIB statistics with its own specific statistics
816 * up to ISCSI_STATS_CUSTOM_MAX
817 */
818 uint32_t custom_length;
5febf6d6 819 struct iscsi_stats_custom custom[]
39e84790
AA		 820 __attribute__ ((aligned (sizeof(uint64_t))));
821};
822
6260a5d2
NJ		 823enum chap_type_e {
824 CHAP_TYPE_OUT,
825 CHAP_TYPE_IN,
826};
827
3af142fe
AC		 828enum iscsi_chap_param {
829 ISCSI_CHAP_PARAM_INDEX,
830 ISCSI_CHAP_PARAM_CHAP_TYPE,
831 ISCSI_CHAP_PARAM_USERNAME,
832 ISCSI_CHAP_PARAM_PASSWORD,
833 ISCSI_CHAP_PARAM_PASSWORD_LEN
834};
835
6260a5d2
NJ		 836#define ISCSI_CHAP_AUTH_NAME_MAX_LEN 256
837#define ISCSI_CHAP_AUTH_SECRET_MAX_LEN 256
838struct iscsi_chap_rec {
839 uint16_t chap_tbl_idx;
840 enum chap_type_e chap_type;
841 char username[ISCSI_CHAP_AUTH_NAME_MAX_LEN];
842 uint8_t password[ISCSI_CHAP_AUTH_SECRET_MAX_LEN];
843 uint8_t password_length;
5a5a15f2 844};
6260a5d2 845
6fa7c554
LC		 846#define ISCSI_HOST_STATS_CUSTOM_MAX 32
847#define ISCSI_HOST_STATS_CUSTOM_DESC_MAX 64
848struct iscsi_host_stats_custom {
849 char desc[ISCSI_HOST_STATS_CUSTOM_DESC_MAX];
850 uint64_t value;
851};
852
853/* struct iscsi_offload_host_stats: Host statistics,
854 * Include statistics for MAC, IP, TCP & iSCSI.
855 */
856struct iscsi_offload_host_stats {
857 /* MAC */
858 uint64_t mactx_frames;
859 uint64_t mactx_bytes;
860 uint64_t mactx_multicast_frames;
861 uint64_t mactx_broadcast_frames;
862 uint64_t mactx_pause_frames;
863 uint64_t mactx_control_frames;
864 uint64_t mactx_deferral;
865 uint64_t mactx_excess_deferral;
866 uint64_t mactx_late_collision;
867 uint64_t mactx_abort;
868 uint64_t mactx_single_collision;
869 uint64_t mactx_multiple_collision;
870 uint64_t mactx_collision;
871 uint64_t mactx_frames_dropped;
872 uint64_t mactx_jumbo_frames;
873 uint64_t macrx_frames;
874 uint64_t macrx_bytes;
875 uint64_t macrx_unknown_control_frames;
876 uint64_t macrx_pause_frames;
877 uint64_t macrx_control_frames;
878 uint64_t macrx_dribble;
879 uint64_t macrx_frame_length_error;
880 uint64_t macrx_jabber;
881 uint64_t macrx_carrier_sense_error;
882 uint64_t macrx_frame_discarded;
883 uint64_t macrx_frames_dropped;
884 uint64_t mac_crc_error;
885 uint64_t mac_encoding_error;
886 uint64_t macrx_length_error_large;
887 uint64_t macrx_length_error_small;
888 uint64_t macrx_multicast_frames;
889 uint64_t macrx_broadcast_frames;
890 /* IP */
891 uint64_t iptx_packets;
892 uint64_t iptx_bytes;
893 uint64_t iptx_fragments;
894 uint64_t iprx_packets;
895 uint64_t iprx_bytes;
896 uint64_t iprx_fragments;
897 uint64_t ip_datagram_reassembly;
898 uint64_t ip_invalid_address_error;
899 uint64_t ip_error_packets;
900 uint64_t ip_fragrx_overlap;
901 uint64_t ip_fragrx_outoforder;
902 uint64_t ip_datagram_reassembly_timeout;
903 uint64_t ipv6tx_packets;
904 uint64_t ipv6tx_bytes;
905 uint64_t ipv6tx_fragments;
906 uint64_t ipv6rx_packets;
907 uint64_t ipv6rx_bytes;
908 uint64_t ipv6rx_fragments;
909 uint64_t ipv6_datagram_reassembly;
910 uint64_t ipv6_invalid_address_error;
911 uint64_t ipv6_error_packets;
912 uint64_t ipv6_fragrx_overlap;
913 uint64_t ipv6_fragrx_outoforder;
914 uint64_t ipv6_datagram_reassembly_timeout;
915 /* TCP */
916 uint64_t tcptx_segments;
917 uint64_t tcptx_bytes;
918 uint64_t tcprx_segments;
919 uint64_t tcprx_byte;
920 uint64_t tcp_duplicate_ack_retx;
921 uint64_t tcp_retx_timer_expired;
922 uint64_t tcprx_duplicate_ack;
923 uint64_t tcprx_pure_ackr;
924 uint64_t tcptx_delayed_ack;
925 uint64_t tcptx_pure_ack;
926 uint64_t tcprx_segment_error;
927 uint64_t tcprx_segment_outoforder;
928 uint64_t tcprx_window_probe;
929 uint64_t tcprx_window_update;
930 uint64_t tcptx_window_probe_persist;
931 /* ECC */
932 uint64_t ecc_error_correction;
933 /* iSCSI */
934 uint64_t iscsi_pdu_tx;
935 uint64_t iscsi_data_bytes_tx;
936 uint64_t iscsi_pdu_rx;
937 uint64_t iscsi_data_bytes_rx;
938 uint64_t iscsi_io_completed;
939 uint64_t iscsi_unexpected_io_rx;
940 uint64_t iscsi_format_error;
941 uint64_t iscsi_hdr_digest_error;
942 uint64_t iscsi_data_digest_error;
943 uint64_t iscsi_sequence_error;
944 /*
945 * iSCSI Custom Host Statistics support, i.e. Transport could
946 * extend existing host statistics with its own specific statistics
947 * up to ISCSI_HOST_STATS_CUSTOM_MAX
948 */
949 uint32_t custom_length;
5febf6d6 950 struct iscsi_host_stats_custom custom[]
6fa7c554
LC		 951 __aligned(sizeof(uint64_t));
952};
953
39e84790 954#endif
Empty description
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