1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net>
4 * Copyright (C) 2004 - 2005 Leonid Stoljar
5 * Copyright (C) 2006 Nathaniel Clark <nate@misrule.us>
6 * Copyright (C) 2007 - 2010 ID7 Ltd.
7 *
8 * Forward port and refactoring to modern qla2xxx and target/configfs
9 *
10 * Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org>
11 *
12 * Additional file for the target driver support.
13 */
14 /*
15 * This is the global def file that is useful for including from the
16 * target portion.
17 */
18
19 #ifndef __QLA_TARGET_H
20 #define __QLA_TARGET_H
21
22 #include "qla_def.h"
23 #include "qla_dsd.h"
24
25 /*
26 * Must be changed on any change in any initiator visible interfaces or
27 * data in the target add-on
28 */
29 #define QLA2XXX_TARGET_MAGIC 269
30
31 /*
32 * Must be changed on any change in any target visible interfaces or
33 * data in the initiator
34 */
35 #define QLA2XXX_INITIATOR_MAGIC 57222
36
37 #define QLA2XXX_INI_MODE_STR_EXCLUSIVE "exclusive"
38 #define QLA2XXX_INI_MODE_STR_DISABLED "disabled"
39 #define QLA2XXX_INI_MODE_STR_ENABLED "enabled"
40 #define QLA2XXX_INI_MODE_STR_DUAL "dual"
41
42 #define QLA2XXX_INI_MODE_EXCLUSIVE 0
43 #define QLA2XXX_INI_MODE_DISABLED 1
44 #define QLA2XXX_INI_MODE_ENABLED 2
45 #define QLA2XXX_INI_MODE_DUAL 3
46
47 #define QLA2XXX_COMMAND_COUNT_INIT 250
48 #define QLA2XXX_IMMED_NOTIFY_COUNT_INIT 250
49
50 /*
51 * Used to mark which completion handles (for RIO Status's) are for CTIO's
52 * vs. regular (non-target) info. This is checked for in
53 * qla2x00_process_response_queue() to see if a handle coming back in a
54 * multi-complete should come to the tgt driver or be handled there by qla2xxx
55 */
56 #define CTIO_COMPLETION_HANDLE_MARK BIT_29
57 #if (CTIO_COMPLETION_HANDLE_MARK <= DEFAULT_OUTSTANDING_COMMANDS)
58 #error "CTIO_COMPLETION_HANDLE_MARK not larger than "
59 "DEFAULT_OUTSTANDING_COMMANDS"
60 #endif
61 #define HANDLE_IS_CTIO_COMP(h) (h & CTIO_COMPLETION_HANDLE_MARK)
62
63 /* Used to mark CTIO as intermediate */
64 #define CTIO_INTERMEDIATE_HANDLE_MARK BIT_30
65 #define QLA_TGT_NULL_HANDLE 0
66
67 #define QLA_TGT_HANDLE_MASK 0xF0000000
68 #define QLA_QPID_HANDLE_MASK 0x00FF0000 /* qpair id mask */
69 #define QLA_CMD_HANDLE_MASK 0x0000FFFF
70 #define QLA_TGT_SKIP_HANDLE (0xFFFFFFFF & ~QLA_TGT_HANDLE_MASK)
71
72 #define QLA_QPID_HANDLE_SHIFT 16
73 #define GET_QID(_h) ((_h & QLA_QPID_HANDLE_MASK) >> QLA_QPID_HANDLE_SHIFT)
74
75
76 #ifndef OF_SS_MODE_0
77 /*
78 * ISP target entries - Flags bit definitions.
79 */
80 #define OF_SS_MODE_0 0
81 #define OF_SS_MODE_1 1
82 #define OF_SS_MODE_2 2
83 #define OF_SS_MODE_3 3
84
85 #define OF_EXPL_CONF BIT_5 /* Explicit Confirmation Requested */
86 #define OF_DATA_IN BIT_6 /* Data in to initiator */
87 /* (data from target to initiator) */
88 #define OF_DATA_OUT BIT_7 /* Data out from initiator */
89 /* (data from initiator to target) */
90 #define OF_NO_DATA (BIT_7 | BIT_6)
91 #define OF_INC_RC BIT_8 /* Increment command resource count */
92 #define OF_FAST_POST BIT_9 /* Enable mailbox fast posting. */
93 #define OF_CONF_REQ BIT_13 /* Confirmation Requested */
94 #define OF_TERM_EXCH BIT_14 /* Terminate exchange */
95 #define OF_SSTS BIT_15 /* Send SCSI status */
96 #endif
97
98 #ifndef QLA_TGT_DATASEGS_PER_CMD32
99 #define QLA_TGT_DATASEGS_PER_CMD32 3
100 #define QLA_TGT_DATASEGS_PER_CONT32 7
101 #define QLA_TGT_MAX_SG32(ql) \
102 (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD32 + \
103 QLA_TGT_DATASEGS_PER_CONT32*((ql) - 1)) : 0)
104
105 #define QLA_TGT_DATASEGS_PER_CMD64 2
106 #define QLA_TGT_DATASEGS_PER_CONT64 5
107 #define QLA_TGT_MAX_SG64(ql) \
108 (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD64 + \
109 QLA_TGT_DATASEGS_PER_CONT64*((ql) - 1)) : 0)
110 #endif
111
112 #ifndef QLA_TGT_DATASEGS_PER_CMD_24XX
113 #define QLA_TGT_DATASEGS_PER_CMD_24XX 1
114 #define QLA_TGT_DATASEGS_PER_CONT_24XX 5
115 #define QLA_TGT_MAX_SG_24XX(ql) \
116 (min(1270, ((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD_24XX + \
117 QLA_TGT_DATASEGS_PER_CONT_24XX*((ql) - 1)) : 0))
118 #endif
119
120 #define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha)) \
121 ? le16_to_cpu((iocb)->u.isp2x.target.extended) \
122 : (uint16_t)(iocb)->u.isp2x.target.id.standard)
123
124 #ifndef NOTIFY_ACK_TYPE
125 #define NOTIFY_ACK_TYPE 0x0E /* Notify acknowledge entry. */
126 /*
127 * ISP queue - notify acknowledge entry structure definition.
128 * This is sent to the ISP from the target driver.
129 */
130 struct nack_to_isp {
131 uint8_t entry_type; /* Entry type. */
132 uint8_t entry_count; /* Entry count. */
133 uint8_t sys_define; /* System defined. */
134 uint8_t entry_status; /* Entry Status. */
135 union {
136 struct {
137 __le32 sys_define_2; /* System defined. */
138 target_id_t target;
139 uint8_t target_id;
140 uint8_t reserved_1;
141 __le16 flags;
142 __le16 resp_code;
143 __le16 status;
144 __le16 task_flags;
145 __le16 seq_id;
146 __le16 srr_rx_id;
147 __le32 srr_rel_offs;
148 __le16 srr_ui;
149 __le16 srr_flags;
150 __le16 srr_reject_code;
151 uint8_t srr_reject_vendor_uniq;
152 uint8_t srr_reject_code_expl;
153 uint8_t reserved_2[24];
154 } isp2x;
155 struct {
156 uint32_t handle;
157 __le16 nport_handle;
158 uint16_t reserved_1;
159 __le16 flags;
160 __le16 srr_rx_id;
161 __le16 status;
162 uint8_t status_subcode;
163 uint8_t fw_handle;
164 __le32 exchange_address;
165 __le32 srr_rel_offs;
166 __le16 srr_ui;
167 __le16 srr_flags;
168 uint8_t reserved_4[19];
169 uint8_t vp_index;
170 uint8_t srr_reject_vendor_uniq;
171 uint8_t srr_reject_code_expl;
172 uint8_t srr_reject_code;
173 uint8_t reserved_5[5];
174 } isp24;
175 } u;
176 uint8_t reserved[2];
177 __le16 ox_id;
178 } __packed;
179 #define NOTIFY_ACK_FLAGS_FCSP BIT_5
180 #define NOTIFY_ACK_FLAGS_TERMINATE BIT_3
181 #define NOTIFY_ACK_SRR_FLAGS_ACCEPT 0
182 #define NOTIFY_ACK_SRR_FLAGS_REJECT 1
183
184 #define NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM 0x9
185
186 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL 0
187 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_INVALID_OX_ID_RX_ID 0x17
188 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_UNABLE_TO_SUPPLY_DATA 0x2a
189
190 #define NOTIFY_ACK_SUCCESS 0x01
191 #endif
192
193 #ifndef ACCEPT_TGT_IO_TYPE
194 #define ACCEPT_TGT_IO_TYPE 0x16 /* Accept target I/O entry. */
195 #endif
196
197 #ifndef CONTINUE_TGT_IO_TYPE
198 #define CONTINUE_TGT_IO_TYPE 0x17
199 /*
200 * ISP queue - Continue Target I/O (CTIO) entry for status mode 0 structure.
201 * This structure is sent to the ISP 2xxx from target driver.
202 */
203 struct ctio_to_2xxx {
204 uint8_t entry_type; /* Entry type. */
205 uint8_t entry_count; /* Entry count. */
206 uint8_t sys_define; /* System defined. */
207 uint8_t entry_status; /* Entry Status. */
208 uint32_t handle; /* System defined handle */
209 target_id_t target;
210 __le16 rx_id;
211 __le16 flags;
212 __le16 status;
213 __le16 timeout; /* 0 = 30 seconds, 0xFFFF = disable */
214 __le16 dseg_count; /* Data segment count. */
215 __le32 relative_offset;
216 __le32 residual;
217 __le16 reserved_1[3];
218 __le16 scsi_status;
219 __le32 transfer_length;
220 struct dsd32 dsd[3];
221 } __packed;
222 #define ATIO_PATH_INVALID 0x07
223 #define ATIO_CANT_PROV_CAP 0x16
224 #define ATIO_CDB_VALID 0x3D
225
226 #define ATIO_EXEC_READ BIT_1
227 #define ATIO_EXEC_WRITE BIT_0
228 #endif
229
230 #ifndef CTIO_A64_TYPE
231 #define CTIO_A64_TYPE 0x1F
232 #define CTIO_SUCCESS 0x01
233 #define CTIO_ABORTED 0x02
234 #define CTIO_INVALID_RX_ID 0x08
235 #define CTIO_TIMEOUT 0x0B
236 #define CTIO_DIF_ERROR 0x0C /* DIF error detected */
237 #define CTIO_LIP_RESET 0x0E
238 #define CTIO_TARGET_RESET 0x17
239 #define CTIO_PORT_UNAVAILABLE 0x28
240 #define CTIO_PORT_LOGGED_OUT 0x29
241 #define CTIO_PORT_CONF_CHANGED 0x2A
242 #define CTIO_SRR_RECEIVED 0x45
243 #define CTIO_FAST_AUTH_ERR 0x63
244 #define CTIO_FAST_INCOMP_PAD_LEN 0x65
245 #define CTIO_FAST_INVALID_REQ 0x66
246 #define CTIO_FAST_SPI_ERR 0x67
247 #endif
248
249 #ifndef CTIO_RET_TYPE
250 #define CTIO_RET_TYPE 0x17 /* CTIO return entry */
251 #define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */
252 #endif
253
254 struct fcp_hdr {
255 uint8_t r_ctl;
256 be_id_t d_id;
257 uint8_t cs_ctl;
258 be_id_t s_id;
259 uint8_t type;
260 uint8_t f_ctl[3];
261 uint8_t seq_id;
262 uint8_t df_ctl;
263 uint16_t seq_cnt;
264 __be16 ox_id;
265 uint16_t rx_id;
266 __le32 parameter;
267 };
268
269 struct fcp_hdr_le {
270 le_id_t d_id;
271 uint8_t r_ctl;
272 le_id_t s_id;
273 uint8_t cs_ctl;
274 uint8_t f_ctl[3];
275 uint8_t type;
276 __le16 seq_cnt;
277 uint8_t df_ctl;
278 uint8_t seq_id;
279 __le16 rx_id;
280 __le16 ox_id;
281 __le32 parameter;
282 };
283
284 #define F_CTL_EXCH_CONTEXT_RESP BIT_23
285 #define F_CTL_SEQ_CONTEXT_RESIP BIT_22
286 #define F_CTL_LAST_SEQ BIT_20
287 #define F_CTL_END_SEQ BIT_19
288 #define F_CTL_SEQ_INITIATIVE BIT_16
289
290 #define R_CTL_BASIC_LINK_SERV 0x80
291 #define R_CTL_B_ACC 0x4
292 #define R_CTL_B_RJT 0x5
293
294 struct atio7_fcp_cmnd {
295 uint64_t lun;
296 uint8_t cmnd_ref;
297 uint8_t task_attr:3;
298 uint8_t reserved:5;
299 uint8_t task_mgmt_flags;
300 #define FCP_CMND_TASK_MGMT_CLEAR_ACA 6
301 #define FCP_CMND_TASK_MGMT_TARGET_RESET 5
302 #define FCP_CMND_TASK_MGMT_LU_RESET 4
303 #define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET 2
304 #define FCP_CMND_TASK_MGMT_ABORT_TASK_SET 1
305 uint8_t wrdata:1;
306 uint8_t rddata:1;
307 uint8_t add_cdb_len:6;
308 uint8_t cdb[16];
309 /*
310 * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4
311 * only to make sizeof(struct atio7_fcp_cmnd) be as expected by
312 * BUILD_BUG_ON in qlt_init().
313 */
314 uint8_t add_cdb[4];
315 /* __le32 data_length; */
316 } __packed;
317
318 /*
319 * ISP queue - Accept Target I/O (ATIO) type entry IOCB structure.
320 * This is sent from the ISP to the target driver.
321 */
322 struct atio_from_isp {
323 union {
324 struct {
325 __le16 entry_hdr;
326 uint8_t sys_define; /* System defined. */
327 uint8_t entry_status; /* Entry Status. */
328 __le32 sys_define_2; /* System defined. */
329 target_id_t target;
330 __le16 rx_id;
331 __le16 flags;
332 __le16 status;
333 uint8_t command_ref;
334 uint8_t task_codes;
335 uint8_t task_flags;
336 uint8_t execution_codes;
337 uint8_t cdb[MAX_CMDSZ];
338 __le32 data_length;
339 __le16 lun;
340 uint8_t initiator_port_name[WWN_SIZE]; /* on qla23xx */
341 __le16 reserved_32[6];
342 __le16 ox_id;
343 } isp2x;
344 struct {
345 __le16 entry_hdr;
346 uint8_t fcp_cmnd_len_low;
347 uint8_t fcp_cmnd_len_high:4;
348 uint8_t attr:4;
349 __le32 exchange_addr;
350 #define ATIO_EXCHANGE_ADDRESS_UNKNOWN 0xFFFFFFFF
351 struct fcp_hdr fcp_hdr;
352 struct atio7_fcp_cmnd fcp_cmnd;
353 } isp24;
354 struct {
355 uint8_t entry_type; /* Entry type. */
356 uint8_t entry_count; /* Entry count. */
357 __le16 attr_n_length;
358 #define FCP_CMD_LENGTH_MASK 0x0fff
359 #define FCP_CMD_LENGTH_MIN 0x38
360 uint8_t data[56];
361 __le32 signature;
362 #define ATIO_PROCESSED 0xDEADDEAD /* Signature */
363 } raw;
364 } u;
365 } __packed;
366
fcpcmd_is_corrupted(struct atio * atio)367 static inline int fcpcmd_is_corrupted(struct atio *atio)
368 {
369 if (atio->entry_type == ATIO_TYPE7 &&
370 ((le16_to_cpu(atio->attr_n_length) & FCP_CMD_LENGTH_MASK) <
371 FCP_CMD_LENGTH_MIN))
372 return 1;
373 else
374 return 0;
375 }
376
377 /* adjust corrupted atio so we won't trip over the same entry again. */
adjust_corrupted_atio(struct atio_from_isp * atio)378 static inline void adjust_corrupted_atio(struct atio_from_isp *atio)
379 {
380 atio->u.raw.attr_n_length = cpu_to_le16(FCP_CMD_LENGTH_MIN);
381 atio->u.isp24.fcp_cmnd.add_cdb_len = 0;
382 }
383
get_datalen_for_atio(struct atio_from_isp * atio)384 static inline int get_datalen_for_atio(struct atio_from_isp *atio)
385 {
386 int len = atio->u.isp24.fcp_cmnd.add_cdb_len;
387
388 return get_unaligned_be32(&atio->u.isp24.fcp_cmnd.add_cdb[len * 4]);
389 }
390
391 #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */
392
393 /*
394 * ISP queue - Continue Target I/O (ATIO) type 7 entry (for 24xx) structure.
395 * This structure is sent to the ISP 24xx from the target driver.
396 */
397
398 struct ctio7_to_24xx {
399 uint8_t entry_type; /* Entry type. */
400 uint8_t entry_count; /* Entry count. */
401 uint8_t sys_define; /* System defined. */
402 uint8_t entry_status; /* Entry Status. */
403 uint32_t handle; /* System defined handle */
404 __le16 nport_handle;
405 #define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF
406 __le16 timeout;
407 __le16 dseg_count; /* Data segment count. */
408 uint8_t vp_index;
409 uint8_t add_flags;
410 le_id_t initiator_id;
411 uint8_t reserved;
412 __le32 exchange_addr;
413 union {
414 struct {
415 __le16 reserved1;
416 __le16 flags;
417 union {
418 __le32 residual;
419 struct {
420 uint8_t rsvd1;
421 uint8_t edif_flags;
422 #define EF_EN_EDIF BIT_0
423 #define EF_NEW_SA BIT_1
424 uint16_t rsvd2;
425 };
426 };
427 __le16 ox_id;
428 __le16 scsi_status;
429 __le32 relative_offset;
430 __le32 reserved2;
431 __le32 transfer_length;
432 __le32 reserved3;
433 struct dsd64 dsd;
434 } status0;
435 struct {
436 __le16 sense_length;
437 __le16 flags;
438 __le32 residual;
439 __le16 ox_id;
440 __le16 scsi_status;
441 __le16 response_len;
442 __le16 reserved;
443 uint8_t sense_data[24];
444 } status1;
445 } u;
446 } __packed;
447
448 /*
449 * ISP queue - CTIO type 7 from ISP 24xx to target driver
450 * returned entry structure.
451 */
452 struct ctio7_from_24xx {
453 uint8_t entry_type; /* Entry type. */
454 uint8_t entry_count; /* Entry count. */
455 uint8_t sys_define; /* System defined. */
456 uint8_t entry_status; /* Entry Status. */
457 uint32_t handle; /* System defined handle */
458 __le16 status;
459 __le16 timeout;
460 __le16 dseg_count; /* Data segment count. */
461 uint8_t vp_index;
462 uint8_t reserved1[5];
463 __le32 exchange_address;
464 __le16 edif_sa_index;
465 __le16 flags;
466 __le32 residual;
467 __le16 ox_id;
468 __le16 reserved3;
469 __le32 relative_offset;
470 uint8_t reserved4[24];
471 } __packed;
472
473 /* CTIO7 flags values */
474 #define CTIO7_FLAGS_SEND_STATUS BIT_15
475 #define CTIO7_FLAGS_TERMINATE BIT_14
476 #define CTIO7_FLAGS_CONFORM_REQ BIT_13
477 #define CTIO7_FLAGS_DONT_RET_CTIO BIT_8
478 #define CTIO7_FLAGS_STATUS_MODE_0 0
479 #define CTIO7_FLAGS_STATUS_MODE_1 BIT_6
480 #define CTIO7_FLAGS_STATUS_MODE_2 BIT_7
481 #define CTIO7_FLAGS_EXPLICIT_CONFORM BIT_5
482 #define CTIO7_FLAGS_CONFIRM_SATISF BIT_4
483 #define CTIO7_FLAGS_DSD_PTR BIT_2
484 #define CTIO7_FLAGS_DATA_IN BIT_1 /* data to initiator */
485 #define CTIO7_FLAGS_DATA_OUT BIT_0 /* data from initiator */
486
487 #define ELS_PLOGI 0x3
488 #define ELS_FLOGI 0x4
489 #define ELS_LOGO 0x5
490 #define ELS_PRLI 0x20
491 #define ELS_PRLO 0x21
492 #define ELS_TPRLO 0x24
493 #define ELS_PDISC 0x50
494 #define ELS_ADISC 0x52
495
496 /*
497 *CTIO Type CRC_2 IOCB
498 */
499 struct ctio_crc2_to_fw {
500 uint8_t entry_type; /* Entry type. */
501 #define CTIO_CRC2 0x7A
502 uint8_t entry_count; /* Entry count. */
503 uint8_t sys_define; /* System defined. */
504 uint8_t entry_status; /* Entry Status. */
505
506 uint32_t handle; /* System handle. */
507 __le16 nport_handle; /* N_PORT handle. */
508 __le16 timeout; /* Command timeout. */
509
510 __le16 dseg_count; /* Data segment count. */
511 uint8_t vp_index;
512 uint8_t add_flags; /* additional flags */
513 #define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3
514
515 le_id_t initiator_id; /* initiator ID */
516 uint8_t reserved1;
517 __le32 exchange_addr; /* rcv exchange address */
518 __le16 reserved2;
519 __le16 flags; /* refer to CTIO7 flags values */
520 __le32 residual;
521 __le16 ox_id;
522 __le16 scsi_status;
523 __le32 relative_offset;
524 __le32 reserved5;
525 __le32 transfer_length; /* total fc transfer length */
526 __le32 reserved6;
527 __le64 crc_context_address __packed; /* Data segment address. */
528 __le16 crc_context_len; /* Data segment length. */
529 __le16 reserved_1; /* MUST be set to 0. */
530 };
531
532 /* CTIO Type CRC_x Status IOCB */
533 struct ctio_crc_from_fw {
534 uint8_t entry_type; /* Entry type. */
535 uint8_t entry_count; /* Entry count. */
536 uint8_t sys_define; /* System defined. */
537 uint8_t entry_status; /* Entry Status. */
538
539 uint32_t handle; /* System handle. */
540 __le16 status;
541 __le16 timeout; /* Command timeout. */
542 __le16 dseg_count; /* Data segment count. */
543 __le32 reserved1;
544 __le16 state_flags;
545 #define CTIO_CRC_SF_DIF_CHOPPED BIT_4
546
547 __le32 exchange_address; /* rcv exchange address */
548 __le16 reserved2;
549 __le16 flags;
550 __le32 resid_xfer_length;
551 __le16 ox_id;
552 uint8_t reserved3[12];
553 __le16 runt_guard; /* reported runt blk guard */
554 uint8_t actual_dif[8];
555 uint8_t expected_dif[8];
556 } __packed;
557
558 /*
559 * ISP queue - ABTS received/response entries structure definition for 24xx.
560 */
561 #define ABTS_RECV_24XX 0x54 /* ABTS received (for 24xx) */
562 #define ABTS_RESP_24XX 0x55 /* ABTS responce (for 24xx) */
563
564 /*
565 * ISP queue - ABTS received IOCB entry structure definition for 24xx.
566 * The ABTS BLS received from the wire is sent to the
567 * target driver by the ISP 24xx.
568 * The IOCB is placed on the response queue.
569 */
570 struct abts_recv_from_24xx {
571 uint8_t entry_type; /* Entry type. */
572 uint8_t entry_count; /* Entry count. */
573 uint8_t sys_define; /* System defined. */
574 uint8_t entry_status; /* Entry Status. */
575 uint8_t reserved_1[6];
576 __le16 nport_handle;
577 uint8_t reserved_2[2];
578 uint8_t vp_index;
579 uint8_t reserved_3:4;
580 uint8_t sof_type:4;
581 __le32 exchange_address;
582 struct fcp_hdr_le fcp_hdr_le;
583 uint8_t reserved_4[16];
584 __le32 exchange_addr_to_abort;
585 } __packed;
586
587 #define ABTS_PARAM_ABORT_SEQ BIT_0
588
589 struct ba_acc_le {
590 __le16 reserved;
591 uint8_t seq_id_last;
592 uint8_t seq_id_valid;
593 #define SEQ_ID_VALID 0x80
594 #define SEQ_ID_INVALID 0x00
595 __le16 rx_id;
596 __le16 ox_id;
597 __le16 high_seq_cnt;
598 __le16 low_seq_cnt;
599 } __packed;
600
601 struct ba_rjt_le {
602 uint8_t vendor_uniq;
603 uint8_t reason_expl;
604 uint8_t reason_code;
605 #define BA_RJT_REASON_CODE_INVALID_COMMAND 0x1
606 #define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM 0x9
607 uint8_t reserved;
608 } __packed;
609
610 /*
611 * ISP queue - ABTS Response IOCB entry structure definition for 24xx.
612 * The ABTS response to the ABTS received is sent by the
613 * target driver to the ISP 24xx.
614 * The IOCB is placed on the request queue.
615 */
616 struct abts_resp_to_24xx {
617 uint8_t entry_type; /* Entry type. */
618 uint8_t entry_count; /* Entry count. */
619 uint8_t sys_define; /* System defined. */
620 uint8_t entry_status; /* Entry Status. */
621 uint32_t handle;
622 __le16 reserved_1;
623 __le16 nport_handle;
624 __le16 control_flags;
625 #define ABTS_CONTR_FLG_TERM_EXCHG BIT_0
626 uint8_t vp_index;
627 uint8_t reserved_3:4;
628 uint8_t sof_type:4;
629 __le32 exchange_address;
630 struct fcp_hdr_le fcp_hdr_le;
631 union {
632 struct ba_acc_le ba_acct;
633 struct ba_rjt_le ba_rjt;
634 } __packed payload;
635 __le32 reserved_4;
636 __le32 exchange_addr_to_abort;
637 } __packed;
638
639 /*
640 * ISP queue - ABTS Response IOCB from ISP24xx Firmware entry structure.
641 * The ABTS response with completion status to the ABTS response
642 * (sent by the target driver to the ISP 24xx) is sent by the
643 * ISP24xx firmware to the target driver.
644 * The IOCB is placed on the response queue.
645 */
646 struct abts_resp_from_24xx_fw {
647 uint8_t entry_type; /* Entry type. */
648 uint8_t entry_count; /* Entry count. */
649 uint8_t sys_define; /* System defined. */
650 uint8_t entry_status; /* Entry Status. */
651 uint32_t handle;
652 __le16 compl_status;
653 #define ABTS_RESP_COMPL_SUCCESS 0
654 #define ABTS_RESP_COMPL_SUBCODE_ERROR 0x31
655 __le16 nport_handle;
656 __le16 reserved_1;
657 uint8_t reserved_2;
658 uint8_t reserved_3:4;
659 uint8_t sof_type:4;
660 __le32 exchange_address;
661 struct fcp_hdr_le fcp_hdr_le;
662 uint8_t reserved_4[8];
663 __le32 error_subcode1;
664 #define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM 0x1E
665 __le32 error_subcode2;
666 __le32 exchange_addr_to_abort;
667 } __packed;
668
669 /********************************************************************\
670 * Type Definitions used by initiator & target halves
671 \********************************************************************/
672
673 struct qla_tgt_mgmt_cmd;
674 struct fc_port;
675 struct qla_tgt_cmd;
676
677 /*
678 * This structure provides a template of function calls that the
679 * target driver (from within qla_target.c) can issue to the
680 * target module (tcm_qla2xxx).
681 */
682 struct qla_tgt_func_tmpl {
683 struct qla_tgt_cmd *(*find_cmd_by_tag)(struct fc_port *, uint64_t);
684 int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *,
685 unsigned char *, uint32_t, int, int, int);
686 void (*handle_data)(struct qla_tgt_cmd *);
687 int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, u64, uint16_t,
688 uint32_t);
689 struct qla_tgt_cmd *(*get_cmd)(struct fc_port *);
690 int (*get_cmd_ref)(struct qla_tgt_cmd *cmd);
691 void (*put_cmd_ref)(struct qla_tgt_cmd *cmd);
692 void (*rel_cmd)(struct qla_tgt_cmd *);
693 void (*free_cmd)(struct qla_tgt_cmd *);
694 void (*free_mcmd)(struct qla_tgt_mgmt_cmd *);
695 void (*free_session)(struct fc_port *);
696
697 int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
698 struct fc_port *);
699 void (*update_sess)(struct fc_port *, port_id_t, uint16_t, bool);
700 struct fc_port *(*find_sess_by_loop_id)(struct scsi_qla_host *,
701 const uint16_t);
702 struct fc_port *(*find_sess_by_s_id)(struct scsi_qla_host *,
703 const be_id_t);
704 void (*clear_nacl_from_fcport_map)(struct fc_port *);
705 void (*put_sess)(struct fc_port *);
706 void (*shutdown_sess)(struct fc_port *);
707 int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts);
708 int (*chk_dif_tags)(uint32_t tag);
709 void (*add_target)(struct scsi_qla_host *);
710 void (*remove_target)(struct scsi_qla_host *);
711 };
712
713 int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
714
715 #include <target/target_core_base.h>
716
717 #define QLA_TGT_TIMEOUT 10 /* in seconds */
718
719 #define QLA_TGT_MAX_HW_PENDING_TIME 60 /* in seconds */
720
721 /* Immediate notify status constants */
722 #define IMM_NTFY_LIP_RESET 0x000E
723 #define IMM_NTFY_LIP_LINK_REINIT 0x000F
724 #define IMM_NTFY_IOCB_OVERFLOW 0x0016
725 #define IMM_NTFY_ABORT_TASK 0x0020
726 #define IMM_NTFY_PORT_LOGOUT 0x0029
727 #define IMM_NTFY_PORT_CONFIG 0x002A
728 #define IMM_NTFY_GLBL_TPRLO 0x002D
729 #define IMM_NTFY_GLBL_LOGO 0x002E
730 #define IMM_NTFY_RESOURCE 0x0034
731 #define IMM_NTFY_MSG_RX 0x0036
732 #define IMM_NTFY_SRR 0x0045
733 #define IMM_NTFY_ELS 0x0046
734
735 /* Immediate notify task flags */
736 #define IMM_NTFY_TASK_MGMT_SHIFT 8
737
738 #define QLA_TGT_CLEAR_ACA 0x40
739 #define QLA_TGT_TARGET_RESET 0x20
740 #define QLA_TGT_LUN_RESET 0x10
741 #define QLA_TGT_CLEAR_TS 0x04
742 #define QLA_TGT_ABORT_TS 0x02
743 #define QLA_TGT_ABORT_ALL_SESS 0xFFFF
744 #define QLA_TGT_ABORT_ALL 0xFFFE
745 #define QLA_TGT_NEXUS_LOSS_SESS 0xFFFD
746 #define QLA_TGT_NEXUS_LOSS 0xFFFC
747 #define QLA_TGT_ABTS 0xFFFB
748 #define QLA_TGT_2G_ABORT_TASK 0xFFFA
749
750 /* Notify Acknowledge flags */
751 #define NOTIFY_ACK_RES_COUNT BIT_8
752 #define NOTIFY_ACK_CLEAR_LIP_RESET BIT_5
753 #define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4
754
755 /* Command's states */
756 #define QLA_TGT_STATE_NEW 0 /* New command + target processing */
757 #define QLA_TGT_STATE_NEED_DATA 1 /* target needs data to continue */
758 #define QLA_TGT_STATE_DATA_IN 2 /* Data arrived + target processing */
759 #define QLA_TGT_STATE_PROCESSED 3 /* target done processing */
760 #define QLA_TGT_STATE_DONE 4 /* cmd being freed */
761
762 /* ATIO task_codes field */
763 #define ATIO_SIMPLE_QUEUE 0
764 #define ATIO_HEAD_OF_QUEUE 1
765 #define ATIO_ORDERED_QUEUE 2
766 #define ATIO_ACA_QUEUE 4
767 #define ATIO_UNTAGGED 5
768
769 /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */
770 #define FC_TM_SUCCESS 0
771 #define FC_TM_BAD_FCP_DATA 1
772 #define FC_TM_BAD_CMD 2
773 #define FC_TM_FCP_DATA_MISMATCH 3
774 #define FC_TM_REJECT 4
775 #define FC_TM_FAILED 5
776
777 #define QLA_TGT_SENSE_VALID(sense) ((sense != NULL) && \
778 (((const uint8_t *)(sense))[0] & 0x70) == 0x70)
779
780 struct qla_port_24xx_data {
781 uint8_t port_name[WWN_SIZE];
782 uint16_t loop_id;
783 uint16_t reserved;
784 };
785
786 struct qla_qpair_hint {
787 struct list_head hint_elem;
788 struct qla_qpair *qpair;
789 u16 cpuid;
790 uint8_t cmd_cnt;
791 };
792
793 struct qla_tgt {
794 struct scsi_qla_host *vha;
795 struct qla_hw_data *ha;
796 struct btree_head64 lun_qpair_map;
797 struct qla_qpair_hint *qphints;
798 /*
799 * To sync between IRQ handlers and qlt_target_release(). Needed,
800 * because req_pkt() can drop/reaquire HW lock inside. Protected by
801 * HW lock.
802 */
803 int atio_irq_cmd_count;
804
805 int sg_tablesize;
806
807 /* Target's flags, serialized by pha->hardware_lock */
808 unsigned int link_reinit_iocb_pending:1;
809
810 /*
811 * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex
812 * OR hardware_lock for reading.
813 */
814 int tgt_stop; /* the target mode driver is being stopped */
815 int tgt_stopped; /* the target mode driver has been stopped */
816
817 /* Count of sessions refering qla_tgt. Protected by hardware_lock. */
818 int sess_count;
819
820 spinlock_t sess_work_lock;
821 struct list_head sess_works_list;
822 struct work_struct sess_work;
823
824 struct imm_ntfy_from_isp link_reinit_iocb;
825 wait_queue_head_t waitQ;
826 int notify_ack_expected;
827 int abts_resp_expected;
828 int modify_lun_expected;
829
830 spinlock_t srr_lock;
831 struct list_head srr_list;
832 struct work_struct srr_work;
833
834 atomic_t tgt_global_resets_count;
835
836 struct list_head tgt_list_entry;
837 };
838
839 struct qla_tgt_sess_op {
840 struct scsi_qla_host *vha;
841 uint32_t chip_reset;
842 struct work_struct work;
843 struct list_head cmd_list;
844 bool aborted;
845 struct rsp_que *rsp;
846
847 struct atio_from_isp atio;
848 /* DO NOT ADD ANYTHING ELSE HERE - atio must be last member */
849 };
850
851 enum trace_flags {
852 TRC_NEW_CMD = BIT_0,
853 TRC_DO_WORK = BIT_1,
854 TRC_DO_WORK_ERR = BIT_2,
855 TRC_XFR_RDY = BIT_3,
856 TRC_XMIT_DATA = BIT_4,
857 TRC_XMIT_STATUS = BIT_5,
858 TRC_SRR_RSP = BIT_6,
859 TRC_SRR_XRDY = BIT_7,
860 TRC_SRR_TERM = BIT_8,
861 TRC_SRR_CTIO = BIT_9,
862 TRC_FLUSH = BIT_10,
863 TRC_CTIO_ERR = BIT_11,
864 TRC_CTIO_DONE = BIT_12,
865 TRC_CTIO_ABORTED = BIT_13,
866 TRC_CTIO_STRANGE = BIT_14,
867 TRC_CMD_DONE = BIT_15,
868 TRC_CMD_CHK_STOP = BIT_16,
869 TRC_CMD_FREE = BIT_17,
870 TRC_DATA_IN = BIT_18,
871 TRC_ABORT = BIT_19,
872 TRC_DIF_ERR = BIT_20,
873 TRC_SRR_IMM = BIT_21,
874 };
875
876 struct qla_tgt_cmd {
877 /*
878 * Do not move cmd_type field. it needs to line up with srb->cmd_type
879 */
880 uint8_t cmd_type;
881 uint8_t pad[7];
882 struct se_cmd se_cmd;
883 struct list_head sess_cmd_list;
884 struct fc_port *sess;
885 struct qla_qpair *qpair;
886 uint32_t reset_count;
887 int state;
888 struct work_struct work;
889 /* Sense buffer that will be mapped into outgoing status */
890 unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER];
891
892 unsigned int conf_compl_supported:1;
893 unsigned int sg_mapped:1;
894
895 /* Call qlt_free_sg() if set. */
896 unsigned int free_sg:1;
897
898 unsigned int write_data_transferred:1;
899
900 /* Set if the SCSI status was sent successfully. */
901 unsigned int rsp_sent:1;
902
903 unsigned int q_full:1;
904 unsigned int term_exchg:1;
905 unsigned int cmd_sent_to_fw:1;
906 unsigned int cmd_in_wq:1;
907 unsigned int edif:1;
908
909 /* Set if a SRR was rejected. */
910 unsigned int srr_failed:1;
911
912 /* Set if the exchange has been terminated. */
913 unsigned int sent_term_exchg:1;
914
915 /*
916 * Set if sent_term_exchg is set, or if the cmd was aborted by a TMR,
917 * or if some other error prevents normal processing of the command.
918 */
919 unsigned int aborted:1;
920
921 struct qla_tgt_srr *srr;
922 struct scatterlist *sg; /* cmd data buffer SG vector */
923 int sg_cnt; /* SG segments count */
924 int bufflen; /* cmd buffer length */
925 int offset;
926 u64 unpacked_lun;
927 enum dma_data_direction dma_data_direction;
928
929 uint16_t ctio_flags;
930 uint16_t vp_idx;
931 uint16_t loop_id; /* to save extra sess dereferences */
932 struct qla_tgt *tgt; /* to save extra sess dereferences */
933 struct scsi_qla_host *vha;
934 struct list_head cmd_list;
935
936 struct atio_from_isp atio;
937
938 uint8_t ctx_dsd_alloced;
939
940 /* T10-DIF */
941 #define DIF_ERR_NONE 0
942 #define DIF_ERR_GRD 1
943 #define DIF_ERR_REF 2
944 #define DIF_ERR_APP 3
945 int8_t dif_err_code;
946 struct scatterlist *prot_sg;
947 uint32_t prot_sg_cnt;
948 uint32_t blk_sz, num_blks;
949 uint8_t scsi_status, sense_key, asc, ascq;
950
951 struct crc_context *ctx;
952 uint8_t *cdb;
953 uint64_t lba;
954 int cdb_len;
955 uint16_t a_guard, e_guard, a_app_tag, e_app_tag;
956 uint32_t a_ref_tag, e_ref_tag;
957 #define DIF_BUNDL_DMA_VALID 1
958 uint16_t prot_flags;
959
960 unsigned long jiffies_at_term_exchg;
961
962 /*
963 * jiffies64 when qlt_rdy_to_xfer() or qlt_xmit_response() first
964 * called, or 0 when not in those states. Used to limit the number of
965 * SRR retries.
966 */
967 uint64_t jiffies_at_hw_st_entry;
968
969 uint64_t jiffies_at_alloc;
970 uint64_t jiffies_at_free;
971
972 enum trace_flags trc_flags;
973 };
974
975 struct qla_tgt_sess_work_param {
976 struct list_head sess_works_list_entry;
977
978 #define QLA_TGT_SESS_WORK_ABORT 1
979 int type;
980
981 union {
982 struct abts_recv_from_24xx abts;
983 struct imm_ntfy_from_isp tm_iocb;
984 struct atio_from_isp tm_iocb2;
985 };
986 };
987
988 struct qla_tgt_mgmt_cmd {
989 uint8_t cmd_type;
990 uint8_t pad[3];
991 uint16_t tmr_func;
992 uint8_t fc_tm_rsp;
993 uint8_t abort_io_attr;
994 struct fc_port *sess;
995 struct qla_qpair *qpair;
996 struct scsi_qla_host *vha;
997 struct se_cmd se_cmd;
998 struct work_struct free_work;
999 unsigned int flags;
1000 #define QLA24XX_MGMT_SEND_NACK BIT_0
1001 #define QLA24XX_MGMT_ABORT_IO_ATTR_VALID BIT_1
1002 #define QLA24XX_MGMT_LLD_OWNED BIT_2
1003 uint32_t reset_count;
1004 struct work_struct work;
1005 uint64_t unpacked_lun;
1006 union {
1007 struct atio_from_isp atio;
1008 struct imm_ntfy_from_isp imm_ntfy;
1009 struct abts_recv_from_24xx abts;
1010 } __packed orig_iocb;
1011 };
1012
1013 struct qla_tgt_prm {
1014 struct qla_tgt_cmd *cmd;
1015 struct qla_tgt *tgt;
1016 void *pkt;
1017 struct scatterlist *sg; /* cmd data buffer SG vector */
1018 unsigned char *sense_buffer;
1019 int seg_cnt;
1020 int req_cnt;
1021 uint16_t rq_result;
1022 int sense_buffer_len;
1023 int residual;
1024 int add_status_pkt;
1025 /* dif */
1026 struct scatterlist *prot_sg;
1027 uint16_t prot_seg_cnt;
1028 uint16_t tot_dsds;
1029 };
1030
1031 /*
1032 * SRR (Sequence Retransmission Request) - resend or re-receive some or all
1033 * data or status to recover from a transient I/O error.
1034 */
1035 struct qla_tgt_srr {
1036 /*
1037 * Copy of immediate notify SRR message received from hw; valid only if
1038 * imm_ntfy_recvd is true.
1039 */
1040 struct imm_ntfy_from_isp imm_ntfy;
1041
1042 struct list_head srr_list_entry;
1043
1044 /* The command affected by this SRR, or NULL if not yet determined. */
1045 struct qla_tgt_cmd *cmd;
1046
1047 /* Used to detect if the HBA has been reset since receiving the SRR. */
1048 uint32_t reset_count;
1049
1050 /*
1051 * The hardware sends two messages for each SRR - an immediate notify
1052 * and a CTIO with CTIO_SRR_RECEIVED status. These keep track of which
1053 * messages have been received. The SRR can be processed once both of
1054 * these are true.
1055 */
1056 bool imm_ntfy_recvd;
1057 bool ctio_recvd;
1058
1059 /*
1060 * This is set to true if the affected command was aborted (cmd may be
1061 * set to NULL), in which case the immediate notify exchange also needs
1062 * to be aborted.
1063 */
1064 bool aborted;
1065
1066 /* This is set to true to force the SRR to be rejected. */
1067 bool reject;
1068 };
1069
1070 /* Check for Switch reserved address */
1071 #define IS_SW_RESV_ADDR(_s_id) \
1072 ((_s_id.b.domain == 0xff) && ((_s_id.b.area & 0xf0) == 0xf0))
1073
1074 #define QLA_TGT_XMIT_DATA 1
1075 #define QLA_TGT_XMIT_STATUS 2
1076 #define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA)
1077
1078
1079 extern struct qla_tgt_data qla_target;
1080
1081 /*
1082 * Function prototypes for qla_target.c logic used by qla2xxx LLD code.
1083 */
1084 extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *);
1085 extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *);
1086 extern int qlt_lport_register(void *, u64, u64, u64,
1087 int (*callback)(struct scsi_qla_host *, void *, u64, u64));
1088 extern void qlt_lport_deregister(struct scsi_qla_host *);
1089 extern void qlt_unreg_sess(struct fc_port *);
1090 extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *);
1091 extern int __init qlt_init(void);
1092 extern void qlt_exit(void);
1093 extern void qlt_free_session_done(struct work_struct *);
1094 /*
1095 * This macro is used during early initializations when host->active_mode
1096 * is not set. Right now, ha value is ignored.
1097 */
1098 #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED)
1099
1100 extern int ql2x_ini_mode;
1101
qla_tgt_mode_enabled(struct scsi_qla_host * ha)1102 static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha)
1103 {
1104 return ha->host->active_mode == MODE_TARGET;
1105 }
1106
qla_ini_mode_enabled(struct scsi_qla_host * ha)1107 static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha)
1108 {
1109 return ha->host->active_mode == MODE_INITIATOR;
1110 }
1111
qla_dual_mode_enabled(struct scsi_qla_host * ha)1112 static inline bool qla_dual_mode_enabled(struct scsi_qla_host *ha)
1113 {
1114 return (ha->host->active_mode == MODE_DUAL);
1115 }
1116
sid_to_key(const be_id_t s_id)1117 static inline uint32_t sid_to_key(const be_id_t s_id)
1118 {
1119 return s_id.domain << 16 |
1120 s_id.area << 8 |
1121 s_id.al_pa;
1122 }
1123
1124 /*
1125 * Free the scatterlist allocated by qlt_set_data_offset(). Call this only if
1126 * cmd->free_sg is set.
1127 */
qlt_free_sg(struct qla_tgt_cmd * cmd)1128 static inline void qlt_free_sg(struct qla_tgt_cmd *cmd)
1129 {
1130 /*
1131 * The scatterlist may be chained to the original scatterlist, but we
1132 * only need to free the first segment here since that is the only part
1133 * allocated by qlt_set_data_offset().
1134 */
1135 kfree(cmd->sg);
1136 }
1137
1138 /*
1139 * Exported symbols from qla_target.c LLD logic used by qla2xxx code..
1140 */
1141 extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, struct rsp_que *,
1142 response_t *);
1143 extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *);
1144 extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t);
1145 extern int qlt_abort_cmd(struct qla_tgt_cmd *);
1146 void qlt_srr_abort(struct qla_tgt_cmd *cmd, bool reject);
1147 void qlt_send_term_exchange(struct qla_qpair *qpair,
1148 struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked);
1149 extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *);
1150 void qlt_free_ul_mcmd(struct qla_hw_data *ha, struct qla_tgt_mgmt_cmd *mcmd);
1151 extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *);
1152 extern void qlt_free_cmd(struct qla_tgt_cmd *cmd);
1153 extern void qlt_unmap_sg(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd);
1154 extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *);
1155 extern void qlt_enable_vha(struct scsi_qla_host *);
1156 extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *);
1157 extern u8 qlt_rff_id(struct scsi_qla_host *);
1158 extern void qlt_init_atio_q_entries(struct scsi_qla_host *);
1159 extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t);
1160 extern void qlt_24xx_config_rings(struct scsi_qla_host *);
1161 extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *,
1162 struct nvram_24xx *);
1163 extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *,
1164 struct init_cb_24xx *);
1165 extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *,
1166 struct init_cb_81xx *);
1167 extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *,
1168 struct nvram_81xx *);
1169 void qlt_config_nvram_with_fw_version(struct scsi_qla_host *vha);
1170 extern void qlt_modify_vp_config(struct scsi_qla_host *,
1171 struct vp_config_entry_24xx *);
1172 extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *);
1173 extern int qlt_mem_alloc(struct qla_hw_data *);
1174 extern void qlt_mem_free(struct qla_hw_data *);
1175 extern int qlt_stop_phase1(struct qla_tgt *);
1176 extern void qlt_stop_phase2(struct qla_tgt *);
1177 extern irqreturn_t qla83xx_msix_atio_q(int, void *);
1178 extern void qlt_logo_completion_handler(fc_port_t *, int);
1179 extern void qlt_do_generation_tick(struct scsi_qla_host *, int *);
1180
1181 void qlt_send_resp_ctio(struct qla_qpair *, struct qla_tgt_cmd *, uint8_t,
1182 uint8_t, uint8_t, uint8_t);
1183
1184 #endif /* __QLA_TARGET_H */
1185