1 /*-
2 * Copyright (c) 2017 Broadcom. All rights reserved.
3 * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 * $FreeBSD: stable/12/sys/dev/ocs_fc/ocs_scsi.h 367982 2020-11-24 13:17:12Z mav $
32 */
33
34 /**
35 * @file
36 * OCS SCSI API declarations
37 *
38 */
39
40 #if !defined(__OCS_SCSI_H__)
41 #define __OCS_SCSI_H__
42
43 #include "ocs_ddump.h"
44 #include "ocs_mgmt.h"
45 #include "ocs_utils.h"
46
47
48 /* ocs_scsi_rcv_cmd() ocs_scsi_rcv_tmf() flags */
49 #define OCS_SCSI_CMD_DIR_IN (1U << 0)
50 #define OCS_SCSI_CMD_DIR_OUT (1U << 1)
51 #define OCS_SCSI_CMD_SIMPLE (1U << 2)
52 #define OCS_SCSI_CMD_HEAD_OF_QUEUE (1U << 3)
53 #define OCS_SCSI_CMD_ORDERED (1U << 4)
54 #define OCS_SCSI_CMD_UNTAGGED (1U << 5)
55 #define OCS_SCSI_CMD_ACA (1U << 6)
56 #define OCS_SCSI_FIRST_BURST_ERR (1U << 7)
57 #define OCS_SCSI_FIRST_BURST_ABORTED (1U << 8)
58 #define OCS_SCSI_PRIORITY_MASK 0xf0000
59 #define OCS_SCSI_PRIORITY_SHIFT 16
60
61 /* ocs_scsi_send_rd_data/recv_wr_data/send_resp flags */
62 #define OCS_SCSI_LAST_DATAPHASE (1U << 0)
63 #define OCS_SCSI_NO_AUTO_RESPONSE (1U << 1)
64 #define OCS_SCSI_LOW_LATENCY (1U << 2)
65
66 #define OCS_SCSI_WQ_STEERING_SHIFT (16)
67 #define OCS_SCSI_WQ_STEERING_MASK (0xf << OCS_SCSI_WQ_STEERING_SHIFT)
68 #define OCS_SCSI_WQ_STEERING_CLASS (0 << OCS_SCSI_WQ_STEERING_SHIFT)
69 #define OCS_SCSI_WQ_STEERING_REQUEST (1 << OCS_SCSI_WQ_STEERING_SHIFT)
70 #define OCS_SCSI_WQ_STEERING_CPU (2 << OCS_SCSI_WQ_STEERING_SHIFT)
71
72 #define OCS_SCSI_WQ_CLASS_SHIFT (20)
73 #define OCS_SCSI_WQ_CLASS_MASK (0xf << OCS_SCSI_WQ_CLASS_SHIFT)
74 #define OCS_SCSI_WQ_CLASS(x) ((x & OCS_SCSI_WQ_CLASS_MASK) << OCS_SCSI_WQ_CLASS_SHIFT)
75
76 #define OCS_SCSI_WQ_CLASS_LOW_LATENCY (1)
77
78 /*!
79 * @defgroup scsi_api_base SCSI Base Target/Initiator
80 * @defgroup scsi_api_target SCSI Target
81 * @defgroup scsi_api_initiator SCSI Initiator
82 */
83
84 /**
85 * @brief SCSI command response.
86 *
87 * This structure is used by target-servers to specify SCSI status and
88 * sense data. In this case all but the @b residual element are used. For
89 * initiator-clients, this structure is used by the SCSI API to convey the
90 * response data for issued commands, including the residual element.
91 */
92 typedef struct {
93 uint8_t scsi_status; /**< SCSI status */
94 uint16_t scsi_status_qualifier; /**< SCSI status qualifier */
95 uint8_t *response_data; /**< pointer to response data buffer */
96 uint32_t response_data_length; /**< length of response data buffer (bytes) */
97 uint8_t *sense_data; /**< pointer to sense data buffer */
98 uint32_t sense_data_length; /**< length of sense data buffer (bytes) */
99 int32_t residual; /**< command residual (not used for target), positive value
100 * indicates an underflow, negative value indicates overflow
101 */
102 uint32_t response_wire_length; /**< Command response length received in wcqe */
103 } ocs_scsi_cmd_resp_t;
104
105 /* Status values returned by IO callbacks */
106 typedef enum {
107 OCS_SCSI_STATUS_GOOD = 0,
108 OCS_SCSI_STATUS_ABORTED,
109 OCS_SCSI_STATUS_ERROR,
110 OCS_SCSI_STATUS_DIF_GUARD_ERROR,
111 OCS_SCSI_STATUS_DIF_REF_TAG_ERROR,
112 OCS_SCSI_STATUS_DIF_APP_TAG_ERROR,
113 OCS_SCSI_STATUS_DIF_UNKNOWN_ERROR,
114 OCS_SCSI_STATUS_PROTOCOL_CRC_ERROR,
115 OCS_SCSI_STATUS_NO_IO,
116 OCS_SCSI_STATUS_ABORT_IN_PROGRESS,
117 OCS_SCSI_STATUS_CHECK_RESPONSE,
118 OCS_SCSI_STATUS_COMMAND_TIMEOUT,
119 OCS_SCSI_STATUS_TIMEDOUT_AND_ABORTED,
120 OCS_SCSI_STATUS_SHUTDOWN,
121 OCS_SCSI_STATUS_NEXUS_LOST,
122
123 } ocs_scsi_io_status_e;
124
125 /* SCSI command status */
126 #define SCSI_STATUS_GOOD 0x00
127 #define SCSI_STATUS_CHECK_CONDITION 0x02
128 #define SCSI_STATUS_CONDITION_MET 0x04
129 #define SCSI_STATUS_BUSY 0x08
130 #define SCSI_STATUS_RESERVATION_CONFLICT 0x18
131 #define SCSI_STATUS_TASK_SET_FULL 0x28
132 #define SCSI_STATUS_ACA_ACTIVE 0x30
133 #define SCSI_STATUS_TASK_ABORTED 0x40
134
135
136
137 /* Callback used by send_rd_data(), recv_wr_data(), send_resp() */
138 typedef int32_t (*ocs_scsi_io_cb_t)(ocs_io_t *io, ocs_scsi_io_status_e status, uint32_t flags,
139 void *arg);
140
141 /* Callback used by send_rd_io(), send_wr_io() */
142 typedef int32_t (*ocs_scsi_rsp_io_cb_t)(ocs_io_t *io, ocs_scsi_io_status_e status, ocs_scsi_cmd_resp_t *rsp,
143 uint32_t flags, void *arg);
144
145 /* ocs_scsi_cb_t flags */
146 #define OCS_SCSI_IO_CMPL (1U << 0) /* IO completed */
147 #define OCS_SCSI_IO_CMPL_RSP_SENT (1U << 1) /* IO completed, response sent */
148 #define OCS_SCSI_IO_ABORTED (1U << 2) /* IO was aborted */
149
150 /* ocs_scsi_recv_tmf() request values */
151 typedef enum {
152 OCS_SCSI_TMF_ABORT_TASK = 1,
153 OCS_SCSI_TMF_QUERY_TASK_SET,
154 OCS_SCSI_TMF_ABORT_TASK_SET,
155 OCS_SCSI_TMF_CLEAR_TASK_SET,
156 OCS_SCSI_TMF_QUERY_ASYNCHRONOUS_EVENT,
157 OCS_SCSI_TMF_LOGICAL_UNIT_RESET,
158 OCS_SCSI_TMF_CLEAR_ACA,
159 OCS_SCSI_TMF_TARGET_RESET,
160 } ocs_scsi_tmf_cmd_e;
161
162 /* ocs_scsi_send_tmf_resp() response values */
163 typedef enum {
164 OCS_SCSI_TMF_FUNCTION_COMPLETE = 1,
165 OCS_SCSI_TMF_FUNCTION_SUCCEEDED,
166 OCS_SCSI_TMF_FUNCTION_IO_NOT_FOUND,
167 OCS_SCSI_TMF_FUNCTION_REJECTED,
168 OCS_SCSI_TMF_INCORRECT_LOGICAL_UNIT_NUMBER,
169 OCS_SCSI_TMF_SERVICE_DELIVERY,
170 } ocs_scsi_tmf_resp_e;
171
172 /**
173 * @brief property names for ocs_scsi_get_property() functions
174 */
175
176 typedef enum {
177 OCS_SCSI_MAX_SGE,
178 OCS_SCSI_MAX_SGL,
179 OCS_SCSI_WWNN,
180 OCS_SCSI_WWPN,
181 OCS_SCSI_SERIALNUMBER,
182 OCS_SCSI_PARTNUMBER,
183 OCS_SCSI_PORTNUM,
184 OCS_SCSI_BIOS_VERSION_STRING,
185 OCS_SCSI_MAX_IOS,
186 OCS_SCSI_DIF_CAPABLE,
187 OCS_SCSI_DIF_MULTI_SEPARATE,
188 OCS_SCSI_MAX_FIRST_BURST,
189 OCS_SCSI_ENABLE_TASK_SET_FULL,
190 } ocs_scsi_property_e;
191
192 #define DIF_SIZE 8
193
194 /**
195 * @brief T10 DIF operations
196 *
197 * WARNING: do not reorder or insert to this list without making appropriate changes in ocs_dif.c
198 */
199 typedef enum {
200 OCS_SCSI_DIF_OPER_DISABLED,
201 OCS_SCSI_DIF_OPER_IN_NODIF_OUT_CRC,
202 OCS_SCSI_DIF_OPER_IN_CRC_OUT_NODIF,
203 OCS_SCSI_DIF_OPER_IN_NODIF_OUT_CHKSUM,
204 OCS_SCSI_DIF_OPER_IN_CHKSUM_OUT_NODIF,
205 OCS_SCSI_DIF_OPER_IN_CRC_OUT_CRC,
206 OCS_SCSI_DIF_OPER_IN_CHKSUM_OUT_CHKSUM,
207 OCS_SCSI_DIF_OPER_IN_CRC_OUT_CHKSUM,
208 OCS_SCSI_DIF_OPER_IN_CHKSUM_OUT_CRC,
209 OCS_SCSI_DIF_OPER_IN_RAW_OUT_RAW,
210 } ocs_scsi_dif_oper_e;
211 #define OCS_SCSI_DIF_OPER_PASS_THRU OCS_SCSI_DIF_OPER_IN_CRC_OUT_CRC
212 #define OCS_SCSI_DIF_OPER_STRIP OCS_SCSI_DIF_OPER_IN_CRC_OUT_NODIF
213 #define OCS_SCSI_DIF_OPER_INSERT OCS_SCSI_DIF_OPER_IN_NODIF_OUT_CRC
214
215 /**
216 * @brief T10 DIF block sizes
217 */
218 typedef enum {
219 OCS_SCSI_DIF_BK_SIZE_512,
220 OCS_SCSI_DIF_BK_SIZE_1024,
221 OCS_SCSI_DIF_BK_SIZE_2048,
222 OCS_SCSI_DIF_BK_SIZE_4096,
223 OCS_SCSI_DIF_BK_SIZE_520,
224 OCS_SCSI_DIF_BK_SIZE_4104
225 } ocs_scsi_dif_blk_size_e;
226
227 /**
228 * @brief generic scatter-gather list structure
229 */
230
231 typedef struct ocs_scsi_sgl_s {
232 uintptr_t addr; /**< physical address */
233 uintptr_t dif_addr; /**< address of DIF segment, zero if DIF is interleaved */
234 size_t len; /**< length */
235 } ocs_scsi_sgl_t;
236
237
238 /**
239 * @brief T10 DIF information passed to the transport
240 */
241
242 typedef struct ocs_scsi_dif_info_s {
243 ocs_scsi_dif_oper_e dif_oper;
244 ocs_scsi_dif_blk_size_e blk_size;
245 uint32_t ref_tag;
246 uint32_t app_tag:16,
247 check_ref_tag:1,
248 check_app_tag:1,
249 check_guard:1,
250 dif_separate:1,
251
252 /* If the APP TAG is 0xFFFF, disable checking the REF TAG and CRC fields */
253 disable_app_ffff:1,
254
255 /* if the APP TAG is 0xFFFF and REF TAG is 0xFFFF_FFFF, disable checking the received CRC field. */
256 disable_app_ref_ffff:1,
257 :10;
258 uint64_t lba;
259 } ocs_scsi_dif_info_t;
260
261 /* Return values for calls from base driver to target-server/initiator-client */
262 #define OCS_SCSI_CALL_COMPLETE 0 /* All work is done */
263 #define OCS_SCSI_CALL_ASYNC 1 /* Work will be completed asynchronously */
264
265 /* Calls from target/initiator to base driver */
266
267 typedef enum {
268 OCS_SCSI_IO_ROLE_ORIGINATOR,
269 OCS_SCSI_IO_ROLE_RESPONDER,
270 } ocs_scsi_io_role_e;
271
272 extern void ocs_scsi_io_alloc_enable(ocs_node_t *node);
273 extern void ocs_scsi_io_alloc_disable(ocs_node_t *node);
274 extern ocs_io_t *ocs_scsi_io_alloc(ocs_node_t *node, ocs_scsi_io_role_e role);
275 extern void ocs_scsi_io_free(ocs_io_t *io);
276 extern ocs_io_t *ocs_io_get_instance(ocs_t *ocs, uint32_t index);
277
278 extern void ocs_scsi_register_bounce(ocs_t *ocs, void(*fctn)(void(*fctn)(void *arg), void *arg,
279 uint32_t s_id, uint32_t d_id, uint32_t ox_id));
280
281 /* Calls from base driver to target-server */
282
283 extern int32_t ocs_scsi_tgt_driver_init(void);
284 extern int32_t ocs_scsi_tgt_driver_exit(void);
285 extern int32_t ocs_scsi_tgt_io_init(ocs_io_t *io);
286 extern int32_t ocs_scsi_tgt_io_exit(ocs_io_t *io);
287 extern int32_t ocs_scsi_tgt_new_device(ocs_t *ocs);
288 extern int32_t ocs_scsi_tgt_del_device(ocs_t *ocs);
289 extern int32_t ocs_scsi_tgt_new_domain(ocs_domain_t *domain);
290 extern void ocs_scsi_tgt_del_domain(ocs_domain_t *domain);
291 extern int32_t ocs_scsi_tgt_new_sport(ocs_sport_t *sport);
292 extern void ocs_scsi_tgt_del_sport(ocs_sport_t *sport);
293 extern void ocs_scsi_sport_deleted(ocs_sport_t *sport);
294 extern int32_t ocs_scsi_validate_initiator(ocs_node_t *node);
295 extern int32_t ocs_scsi_new_initiator(ocs_node_t *node);
296 typedef enum {
297 OCS_SCSI_INITIATOR_DELETED,
298 OCS_SCSI_INITIATOR_MISSING,
299 } ocs_scsi_del_initiator_reason_e;
300 extern int32_t ocs_scsi_del_initiator(ocs_node_t *node, ocs_scsi_del_initiator_reason_e reason);
301 extern int32_t ocs_scsi_recv_cmd(ocs_io_t *io, uint64_t lun, uint8_t *cdb, uint32_t cdb_len, uint32_t flags);
302 extern int32_t ocs_scsi_recv_cmd_first_burst(ocs_io_t *io, uint64_t lun, uint8_t *cdb, uint32_t cdb_len, uint32_t flags,
303 ocs_dma_t first_burst_buffers[], uint32_t first_burst_bytes);
304 extern int32_t ocs_scsi_recv_tmf(ocs_io_t *tmfio, uint64_t lun, ocs_scsi_tmf_cmd_e cmd, ocs_io_t *abortio,
305 uint32_t flags);
306 extern ocs_sport_t *ocs_sport_get_instance(ocs_domain_t *domain, uint32_t index);
307 extern ocs_domain_t *ocs_domain_get_instance(ocs_t *ocs, uint32_t index);
308
309
310 /* Calls from target-server to base driver */
311
312 extern int32_t ocs_scsi_send_rd_data(ocs_io_t *io, uint32_t flags,
313 ocs_scsi_dif_info_t *dif_info,
314 ocs_scsi_sgl_t *sgl, uint32_t sgl_count,
315 uint32_t wire_len, ocs_scsi_io_cb_t cb, void *arg);
316 extern int32_t ocs_scsi_recv_wr_data(ocs_io_t *io, uint32_t flags,
317 ocs_scsi_dif_info_t *dif_info,
318 ocs_scsi_sgl_t *sgl, uint32_t sgl_count,
319 uint32_t wire_len, ocs_scsi_io_cb_t cb, void *arg);
320 extern int32_t ocs_scsi_send_resp(ocs_io_t *io, uint32_t flags, ocs_scsi_cmd_resp_t *rsp,
321 ocs_scsi_io_cb_t cb, void *arg);
322 extern int32_t ocs_scsi_send_tmf_resp(ocs_io_t *io, ocs_scsi_tmf_resp_e rspcode, uint8_t addl_rsp_info[3],
323 ocs_scsi_io_cb_t cb, void *arg);
324 extern int32_t ocs_scsi_tgt_abort_io(ocs_io_t *io, ocs_scsi_io_cb_t cb, void *arg);
325 extern void ocs_scsi_io_complete(ocs_io_t *io);
326 extern uint32_t ocs_scsi_get_property(ocs_t *ocs, ocs_scsi_property_e prop);
327 extern void *ocs_scsi_get_property_ptr(ocs_t *ocs, ocs_scsi_property_e prop);
328
329 extern void ocs_scsi_del_initiator_complete(ocs_node_t *node);
330
331 extern void ocs_scsi_update_first_burst_transferred(ocs_io_t *io, uint32_t transferred);
332
333 /* Calls from base driver to initiator-client */
334
335 extern int32_t ocs_scsi_ini_driver_init(void);
336 extern int32_t ocs_scsi_ini_driver_exit(void);
337 extern int32_t ocs_scsi_ini_io_init(ocs_io_t *io);
338 extern int32_t ocs_scsi_ini_io_exit(ocs_io_t *io);
339 extern int32_t ocs_scsi_ini_new_device(ocs_t *ocs);
340 extern int32_t ocs_scsi_ini_del_device(ocs_t *ocs);
341 extern int32_t ocs_scsi_ini_new_domain(ocs_domain_t *domain);
342 extern void ocs_scsi_ini_del_domain(ocs_domain_t *domain);
343 extern int32_t ocs_scsi_ini_new_sport(ocs_sport_t *sport);
344 extern void ocs_scsi_ini_del_sport(ocs_sport_t *sport);
345 extern int32_t ocs_scsi_new_target(ocs_node_t *node);
346
347 typedef enum {
348 OCS_SCSI_TARGET_DELETED,
349 OCS_SCSI_TARGET_MISSING,
350 } ocs_scsi_del_target_reason_e;
351 extern int32_t ocs_scsi_del_target(ocs_node_t *node, ocs_scsi_del_target_reason_e reason);
352
353 /* Calls from the initiator-client to the base driver */
354
355 extern int32_t ocs_scsi_send_rd_io(ocs_node_t *node, ocs_io_t *io, uint64_t lun, void *cdb, uint32_t cdb_len,
356 ocs_scsi_dif_info_t *dif_info,
357 ocs_scsi_sgl_t *sgl, uint32_t sgl_count, uint32_t wire_len, ocs_scsi_rsp_io_cb_t cb, void *arg, uint32_t flags);
358 extern int32_t ocs_scsi_send_wr_io(ocs_node_t *node, ocs_io_t *io, uint64_t lun, void *cdb, uint32_t cdb_len,
359 ocs_scsi_dif_info_t *dif_info,
360 ocs_scsi_sgl_t *sgl, uint32_t sgl_count, uint32_t wire_len, ocs_scsi_rsp_io_cb_t cb, void *arg, uint32_t flags);
361 extern int32_t ocs_scsi_send_wr_io_first_burst(ocs_node_t *node, ocs_io_t *io, uint64_t lun, void *cdb, uint32_t cdb_len,
362 ocs_scsi_dif_info_t *dif_info,
363 ocs_scsi_sgl_t *sgl, uint32_t sgl_count, uint32_t wire_len, uint32_t first_burst,
364 ocs_scsi_rsp_io_cb_t cb, void *arg, uint32_t flags);
365 extern int32_t ocs_scsi_send_tmf(ocs_node_t *node, ocs_io_t *io, ocs_io_t *io_to_abort, uint64_t lun,
366 ocs_scsi_tmf_cmd_e tmf, ocs_scsi_sgl_t *sgl, uint32_t sgl_count, uint32_t len, ocs_scsi_rsp_io_cb_t cb, void *arg);
367 extern int32_t ocs_scsi_send_nodata_io(ocs_node_t *node, ocs_io_t *io, uint64_t lun, void *cdb, uint32_t cdb_len,
368 ocs_scsi_rsp_io_cb_t cb, void *arg, uint32_t flags);
369 extern void ocs_scsi_del_target_complete(ocs_node_t *node);
370
371 typedef enum {
372 OCS_SCSI_DDUMP_DEVICE,
373 OCS_SCSI_DDUMP_DOMAIN,
374 OCS_SCSI_DDUMP_SPORT,
375 OCS_SCSI_DDUMP_NODE,
376 OCS_SCSI_DDUMP_IO,
377 } ocs_scsi_ddump_type_e;
378
379 /* base driver to target/initiator */
380
381 struct ocs_scsi_vaddr_len_s {
382 void *vaddr;
383 uint32_t length;
384 } ;
385 extern int32_t ocs_scsi_get_block_vaddr(ocs_io_t *io, uint64_t blocknumber, ocs_scsi_vaddr_len_t addrlen[],
386 uint32_t max_addrlen, void **dif_vaddr);
387
388 extern void ocs_scsi_ini_ddump(ocs_textbuf_t *textbuf, ocs_scsi_ddump_type_e type, void *obj);
389 extern void ocs_scsi_tgt_ddump(ocs_textbuf_t *textbuf, ocs_scsi_ddump_type_e type, void *obj);
390
391 /* Calls within base driver */
392 extern int32_t ocs_scsi_io_dispatch(ocs_io_t *io, void *cb);
393 extern int32_t ocs_scsi_io_dispatch_abort(ocs_io_t *io, void *cb);
394 extern void ocs_scsi_check_pending(ocs_t *ocs);
395
396 extern uint32_t ocs_scsi_dif_blocksize(ocs_scsi_dif_info_t *dif_info);
397 extern int32_t ocs_scsi_dif_set_blocksize(ocs_scsi_dif_info_t *dif_info, uint32_t blocksize);
398 extern int32_t ocs_scsi_dif_mem_blocksize(ocs_scsi_dif_info_t *dif_info, int wiretomem);
399 extern int32_t ocs_scsi_dif_wire_blocksize(ocs_scsi_dif_info_t *dif_info, int wiretomem);
400
401
402 uint32_t ocs_get_crn(ocs_node_t *node, uint8_t *crn, uint64_t lun);
403 void ocs_del_crn(ocs_node_t *node);
404 void ocs_reset_crn(ocs_node_t *node, uint64_t lun);
405
406 /**
407 * @brief Notification from base driver that domain is in force-free path.
408 *
409 * @par Description Domain is forcefully going away. Cleanup any resources associated with it.
410 *
411 * @param domain Pointer to domain being free'd.
412 *
413 * @return None.
414 */
415
416 static inline void
ocs_scsi_notify_domain_force_free(ocs_domain_t * domain)417 ocs_scsi_notify_domain_force_free(ocs_domain_t *domain)
418 {
419 /* Nothing to do */
420 return;
421 }
422
423 /**
424 * @brief Notification from base driver that sport is in force-free path.
425 *
426 * @par Description Sport is forcefully going away. Cleanup any resources associated with it.
427 *
428 * @param sport Pointer to sport being free'd.
429 *
430 * @return None.
431 */
432
433 static inline void
ocs_scsi_notify_sport_force_free(ocs_sport_t * sport)434 ocs_scsi_notify_sport_force_free(ocs_sport_t *sport)
435 {
436 /* Nothing to do */
437 return;
438 }
439
440
441 /**
442 * @brief Notification from base driver that node is in force-free path.
443 *
444 * @par Description Node is forcefully going away. Cleanup any resources associated with it.
445 *
446 * @param node Pointer to node being free'd.
447 *
448 * @return None.
449 */
450
451 static inline void
ocs_scsi_notify_node_force_free(ocs_node_t * node)452 ocs_scsi_notify_node_force_free(ocs_node_t *node)
453 {
454 /* Nothing to do */
455 return;
456 }
457 #endif /* __OCS_SCSI_H__ */
458