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Merge branches 'clk-optional', 'clk-devm-clkdev-register', 'clk-allwinner', 'clk...
[linux-2.6-block.git] / drivers / scsi / qla2xxx / qla_target.h
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2d70c103
NB		 1/*
2 * Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net>
3 * Copyright (C) 2004 - 2005 Leonid Stoljar
4 * Copyright (C) 2006 Nathaniel Clark <nate@misrule.us>
5 * Copyright (C) 2007 - 2010 ID7 Ltd.
6 *
7 * Forward port and refactoring to modern qla2xxx and target/configfs
8 *
9 * Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org>
10 *
11 * Additional file for the target driver support.
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 */
23/*
24 * This is the global def file that is useful for including from the
25 * target portion.
26 */
27
28#ifndef __QLA_TARGET_H
29#define __QLA_TARGET_H
30
31#include "qla_def.h"
32
33/*
34 * Must be changed on any change in any initiator visible interfaces or
35 * data in the target add-on
36 */
37#define QLA2XXX_TARGET_MAGIC 269
38
39/*
40 * Must be changed on any change in any target visible interfaces or
41 * data in the initiator
42 */
43#define QLA2XXX_INITIATOR_MAGIC 57222
44
45#define QLA2XXX_INI_MODE_STR_EXCLUSIVE "exclusive"
46#define QLA2XXX_INI_MODE_STR_DISABLED "disabled"
47#define QLA2XXX_INI_MODE_STR_ENABLED "enabled"
ead03855 48#define QLA2XXX_INI_MODE_STR_DUAL "dual"
2d70c103
NB		 49
50#define QLA2XXX_INI_MODE_EXCLUSIVE 0
51#define QLA2XXX_INI_MODE_DISABLED 1
52#define QLA2XXX_INI_MODE_ENABLED 2
ead03855 53#define QLA2XXX_INI_MODE_DUAL 3
2d70c103
NB		 54
55#define QLA2XXX_COMMAND_COUNT_INIT 250
56#define QLA2XXX_IMMED_NOTIFY_COUNT_INIT 250
57
58/*
59 * Used to mark which completion handles (for RIO Status's) are for CTIO's
60 * vs. regular (non-target) info. This is checked for in
61 * qla2x00_process_response_queue() to see if a handle coming back in a
62 * multi-complete should come to the tgt driver or be handled there by qla2xxx
63 */
64#define CTIO_COMPLETION_HANDLE_MARK BIT_29
8d93f550
CD		 65#if (CTIO_COMPLETION_HANDLE_MARK <= DEFAULT_OUTSTANDING_COMMANDS)
66#error "CTIO_COMPLETION_HANDLE_MARK not larger than "
67 "DEFAULT_OUTSTANDING_COMMANDS"
2d70c103
NB		 68#endif
69#define HANDLE_IS_CTIO_COMP(h) (h & CTIO_COMPLETION_HANDLE_MARK)
70
71/* Used to mark CTIO as intermediate */
72#define CTIO_INTERMEDIATE_HANDLE_MARK BIT_30
c5419e26
QT		 73#define QLA_TGT_NULL_HANDLE 0
74
75#define QLA_TGT_HANDLE_MASK 0xF0000000
82de802a 76#define QLA_QPID_HANDLE_MASK 0x00FF0000 /* qpair id mask */
c5419e26
QT		 77#define QLA_CMD_HANDLE_MASK 0x0000FFFF
78#define QLA_TGT_SKIP_HANDLE (0xFFFFFFFF & ~QLA_TGT_HANDLE_MASK)
79
80#define QLA_QPID_HANDLE_SHIFT 16
81#define GET_QID(_h) ((_h & QLA_QPID_HANDLE_MASK) >> QLA_QPID_HANDLE_SHIFT)
82
2d70c103
NB		 83
84#ifndef OF_SS_MODE_0
85/*
86 * ISP target entries - Flags bit definitions.
87 */
88#define OF_SS_MODE_0 0
89#define OF_SS_MODE_1 1
90#define OF_SS_MODE_2 2
91#define OF_SS_MODE_3 3
92
93#define OF_EXPL_CONF BIT_5 /* Explicit Confirmation Requested */
94#define OF_DATA_IN BIT_6 /* Data in to initiator */
95 /* (data from target to initiator) */
96#define OF_DATA_OUT BIT_7 /* Data out from initiator */
97 /* (data from initiator to target) */
98#define OF_NO_DATA (BIT_7 | BIT_6)
99#define OF_INC_RC BIT_8 /* Increment command resource count */
100#define OF_FAST_POST BIT_9 /* Enable mailbox fast posting. */
101#define OF_CONF_REQ BIT_13 /* Confirmation Requested */
102#define OF_TERM_EXCH BIT_14 /* Terminate exchange */
103#define OF_SSTS BIT_15 /* Send SCSI status */
104#endif
105
106#ifndef QLA_TGT_DATASEGS_PER_CMD32
107#define QLA_TGT_DATASEGS_PER_CMD32 3
108#define QLA_TGT_DATASEGS_PER_CONT32 7
109#define QLA_TGT_MAX_SG32(ql) \
110 (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD32 + \
111 QLA_TGT_DATASEGS_PER_CONT32*((ql) - 1)) : 0)
112
113#define QLA_TGT_DATASEGS_PER_CMD64 2
114#define QLA_TGT_DATASEGS_PER_CONT64 5
115#define QLA_TGT_MAX_SG64(ql) \
116 (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD64 + \
117 QLA_TGT_DATASEGS_PER_CONT64*((ql) - 1)) : 0)
118#endif
119
120#ifndef QLA_TGT_DATASEGS_PER_CMD_24XX
121#define QLA_TGT_DATASEGS_PER_CMD_24XX 1
122#define QLA_TGT_DATASEGS_PER_CONT_24XX 5
123#define QLA_TGT_MAX_SG_24XX(ql) \
124 (min(1270, ((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD_24XX + \
125 QLA_TGT_DATASEGS_PER_CONT_24XX*((ql) - 1)) : 0))
126#endif
127#endif
128
129#define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha)) \
130 ? le16_to_cpu((iocb)->u.isp2x.target.extended) \
131 : (uint16_t)(iocb)->u.isp2x.target.id.standard)
132
2d70c103
NB		 133#ifndef NOTIFY_ACK_TYPE
134#define NOTIFY_ACK_TYPE 0x0E /* Notify acknowledge entry. */
135/*
136 * ISP queue - notify acknowledge entry structure definition.
137 * This is sent to the ISP from the target driver.
138 */
139struct nack_to_isp {
140 uint8_t entry_type; /* Entry type. */
141 uint8_t entry_count; /* Entry count. */
142 uint8_t sys_define; /* System defined. */
143 uint8_t entry_status; /* Entry Status. */
144 union {
145 struct {
146 uint32_t sys_define_2; /* System defined. */
147 target_id_t target;
148 uint8_t target_id;
149 uint8_t reserved_1;
150 uint16_t flags;
151 uint16_t resp_code;
152 uint16_t status;
153 uint16_t task_flags;
154 uint16_t seq_id;
155 uint16_t srr_rx_id;
156 uint32_t srr_rel_offs;
157 uint16_t srr_ui;
158 uint16_t srr_flags;
159 uint16_t srr_reject_code;
160 uint8_t srr_reject_vendor_uniq;
161 uint8_t srr_reject_code_expl;
162 uint8_t reserved_2[24];
163 } isp2x;
164 struct {
165 uint32_t handle;
166 uint16_t nport_handle;
167 uint16_t reserved_1;
168 uint16_t flags;
169 uint16_t srr_rx_id;
170 uint16_t status;
171 uint8_t status_subcode;
aa230bc5 172 uint8_t fw_handle;
2d70c103
NB		 173 uint32_t exchange_address;
174 uint32_t srr_rel_offs;
175 uint16_t srr_ui;
176 uint16_t srr_flags;
177 uint8_t reserved_4[19];
178 uint8_t vp_index;
179 uint8_t srr_reject_vendor_uniq;
180 uint8_t srr_reject_code_expl;
181 uint8_t srr_reject_code;
182 uint8_t reserved_5[5];
183 } isp24;
184 } u;
185 uint8_t reserved[2];
186 uint16_t ox_id;
187} __packed;
a6ca8878 188#define NOTIFY_ACK_FLAGS_TERMINATE BIT_3
2d70c103
NB		 189#define NOTIFY_ACK_SRR_FLAGS_ACCEPT 0
190#define NOTIFY_ACK_SRR_FLAGS_REJECT 1
191
192#define NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM 0x9
193
194#define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL 0
195#define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_UNABLE_TO_SUPPLY_DATA 0x2a
196
197#define NOTIFY_ACK_SUCCESS 0x01
198#endif
199
200#ifndef ACCEPT_TGT_IO_TYPE
201#define ACCEPT_TGT_IO_TYPE 0x16 /* Accept target I/O entry. */
202#endif
203
204#ifndef CONTINUE_TGT_IO_TYPE
205#define CONTINUE_TGT_IO_TYPE 0x17
206/*
207 * ISP queue - Continue Target I/O (CTIO) entry for status mode 0 structure.
208 * This structure is sent to the ISP 2xxx from target driver.
209 */
210struct ctio_to_2xxx {
211 uint8_t entry_type; /* Entry type. */
212 uint8_t entry_count; /* Entry count. */
213 uint8_t sys_define; /* System defined. */
214 uint8_t entry_status; /* Entry Status. */
215 uint32_t handle; /* System defined handle */
216 target_id_t target;
217 uint16_t rx_id;
218 uint16_t flags;
219 uint16_t status;
220 uint16_t timeout; /* 0 = 30 seconds, 0xFFFF = disable */
221 uint16_t dseg_count; /* Data segment count. */
222 uint32_t relative_offset;
223 uint32_t residual;
224 uint16_t reserved_1[3];
225 uint16_t scsi_status;
226 uint32_t transfer_length;
227 uint32_t dseg_0_address; /* Data segment 0 address. */
228 uint32_t dseg_0_length; /* Data segment 0 length. */
229 uint32_t dseg_1_address; /* Data segment 1 address. */
230 uint32_t dseg_1_length; /* Data segment 1 length. */
231 uint32_t dseg_2_address; /* Data segment 2 address. */
232 uint32_t dseg_2_length; /* Data segment 2 length. */
233} __packed;
234#define ATIO_PATH_INVALID 0x07
235#define ATIO_CANT_PROV_CAP 0x16
236#define ATIO_CDB_VALID 0x3D
237
238#define ATIO_EXEC_READ BIT_1
239#define ATIO_EXEC_WRITE BIT_0
240#endif
241
242#ifndef CTIO_A64_TYPE
243#define CTIO_A64_TYPE 0x1F
244#define CTIO_SUCCESS 0x01
245#define CTIO_ABORTED 0x02
246#define CTIO_INVALID_RX_ID 0x08
247#define CTIO_TIMEOUT 0x0B
f83adb61 248#define CTIO_DIF_ERROR 0x0C /* DIF error detected */
2d70c103
NB		 249#define CTIO_LIP_RESET 0x0E
250#define CTIO_TARGET_RESET 0x17
251#define CTIO_PORT_UNAVAILABLE 0x28
252#define CTIO_PORT_LOGGED_OUT 0x29
253#define CTIO_PORT_CONF_CHANGED 0x2A
254#define CTIO_SRR_RECEIVED 0x45
255#endif
256
257#ifndef CTIO_RET_TYPE
258#define CTIO_RET_TYPE 0x17 /* CTIO return entry */
259#define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */
260
261struct fcp_hdr {
262 uint8_t r_ctl;
263 uint8_t d_id[3];
264 uint8_t cs_ctl;
265 uint8_t s_id[3];
266 uint8_t type;
267 uint8_t f_ctl[3];
268 uint8_t seq_id;
269 uint8_t df_ctl;
270 uint16_t seq_cnt;
c7ee3bd4 271 __be16 ox_id;
2d70c103
NB		 272 uint16_t rx_id;
273 uint32_t parameter;
274} __packed;
275
276struct fcp_hdr_le {
277 uint8_t d_id[3];
278 uint8_t r_ctl;
279 uint8_t s_id[3];
280 uint8_t cs_ctl;
281 uint8_t f_ctl[3];
282 uint8_t type;
283 uint16_t seq_cnt;
284 uint8_t df_ctl;
285 uint8_t seq_id;
286 uint16_t rx_id;
287 uint16_t ox_id;
288 uint32_t parameter;
289} __packed;
290
291#define F_CTL_EXCH_CONTEXT_RESP BIT_23
292#define F_CTL_SEQ_CONTEXT_RESIP BIT_22
293#define F_CTL_LAST_SEQ BIT_20
294#define F_CTL_END_SEQ BIT_19
295#define F_CTL_SEQ_INITIATIVE BIT_16
296
297#define R_CTL_BASIC_LINK_SERV 0x80
298#define R_CTL_B_ACC 0x4
299#define R_CTL_B_RJT 0x5
300
301struct atio7_fcp_cmnd {
302 uint64_t lun;
303 uint8_t cmnd_ref;
304 uint8_t task_attr:3;
305 uint8_t reserved:5;
306 uint8_t task_mgmt_flags;
307#define FCP_CMND_TASK_MGMT_CLEAR_ACA 6
308#define FCP_CMND_TASK_MGMT_TARGET_RESET 5
309#define FCP_CMND_TASK_MGMT_LU_RESET 4
310#define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET 2
311#define FCP_CMND_TASK_MGMT_ABORT_TASK_SET 1
312 uint8_t wrdata:1;
313 uint8_t rddata:1;
314 uint8_t add_cdb_len:6;
315 uint8_t cdb[16];
316 /*
317 * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4
318 * only to make sizeof(struct atio7_fcp_cmnd) be as expected by
319 * BUILD_BUG_ON in qlt_init().
320 */
321 uint8_t add_cdb[4];
322 /* uint32_t data_length; */
323} __packed;
324
325/*
326 * ISP queue - Accept Target I/O (ATIO) type entry IOCB structure.
327 * This is sent from the ISP to the target driver.
328 */
329struct atio_from_isp {
330 union {
331 struct {
332 uint16_t entry_hdr;
333 uint8_t sys_define; /* System defined. */
334 uint8_t entry_status; /* Entry Status. */
335 uint32_t sys_define_2; /* System defined. */
336 target_id_t target;
337 uint16_t rx_id;
338 uint16_t flags;
339 uint16_t status;
340 uint8_t command_ref;
341 uint8_t task_codes;
342 uint8_t task_flags;
343 uint8_t execution_codes;
344 uint8_t cdb[MAX_CMDSZ];
345 uint32_t data_length;
346 uint16_t lun;
347 uint8_t initiator_port_name[WWN_SIZE]; /* on qla23xx */
348 uint16_t reserved_32[6];
349 uint16_t ox_id;
350 } isp2x;
351 struct {
352 uint16_t entry_hdr;
353 uint8_t fcp_cmnd_len_low;
354 uint8_t fcp_cmnd_len_high:4;
355 uint8_t attr:4;
356 uint32_t exchange_addr;
357#define ATIO_EXCHANGE_ADDRESS_UNKNOWN 0xFFFFFFFF
358 struct fcp_hdr fcp_hdr;
359 struct atio7_fcp_cmnd fcp_cmnd;
360 } isp24;
361 struct {
362 uint8_t entry_type; /* Entry type. */
363 uint8_t entry_count; /* Entry count. */
5f35509d
QT		 364 __le16 attr_n_length;
365#define FCP_CMD_LENGTH_MASK 0x0fff
366#define FCP_CMD_LENGTH_MIN 0x38
367 uint8_t data[56];
2d70c103
NB		 368 uint32_t signature;
369#define ATIO_PROCESSED 0xDEADDEAD /* Signature */
370 } raw;
371 } u;
372} __packed;
373
5f35509d
QT		 374static inline int fcpcmd_is_corrupted(struct atio *atio)
375{
376 if (atio->entry_type == ATIO_TYPE7 &&
cbe3fd39
DC		 377 ((le16_to_cpu(atio->attr_n_length) & FCP_CMD_LENGTH_MASK) <
378 FCP_CMD_LENGTH_MIN))
5f35509d
QT		 379 return 1;
380 else
381 return 0;
382}
383
384/* adjust corrupted atio so we won't trip over the same entry again. */
385static inline void adjust_corrupted_atio(struct atio_from_isp *atio)
386{
387 atio->u.raw.attr_n_length = cpu_to_le16(FCP_CMD_LENGTH_MIN);
388 atio->u.isp24.fcp_cmnd.add_cdb_len = 0;
389}
390
be25152c
QT		 391static inline int get_datalen_for_atio(struct atio_from_isp *atio)
392{
393 int len = atio->u.isp24.fcp_cmnd.add_cdb_len;
394
395 return (be32_to_cpu(get_unaligned((uint32_t *)
396 &atio->u.isp24.fcp_cmnd.add_cdb[len * 4])));
397}
398
2d70c103
NB		 399#define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */
400
401/*
402 * ISP queue - Continue Target I/O (ATIO) type 7 entry (for 24xx) structure.
403 * This structure is sent to the ISP 24xx from the target driver.
404 */
405
406struct ctio7_to_24xx {
407 uint8_t entry_type; /* Entry type. */
408 uint8_t entry_count; /* Entry count. */
409 uint8_t sys_define; /* System defined. */
410 uint8_t entry_status; /* Entry Status. */
411 uint32_t handle; /* System defined handle */
412 uint16_t nport_handle;
413#define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF
414 uint16_t timeout;
415 uint16_t dseg_count; /* Data segment count. */
416 uint8_t vp_index;
417 uint8_t add_flags;
418 uint8_t initiator_id[3];
419 uint8_t reserved;
420 uint32_t exchange_addr;
421 union {
422 struct {
423 uint16_t reserved1;
c7ee3bd4 424 __le16 flags;
2d70c103 425 uint32_t residual;
33a5fcee 426 __le16 ox_id;
2d70c103
NB		 427 uint16_t scsi_status;
428 uint32_t relative_offset;
429 uint32_t reserved2;
430 uint32_t transfer_length;
431 uint32_t reserved3;
432 /* Data segment 0 address. */
433 uint32_t dseg_0_address[2];
434 /* Data segment 0 length. */
435 uint32_t dseg_0_length;
436 } status0;
437 struct {
438 uint16_t sense_length;
f7e761f5 439 __le16 flags;
2d70c103 440 uint32_t residual;
33a5fcee 441 __le16 ox_id;
2d70c103
NB		 442 uint16_t scsi_status;
443 uint16_t response_len;
444 uint16_t reserved;
445 uint8_t sense_data[24];
446 } status1;
447 } u;
448} __packed;
449
450/*
451 * ISP queue - CTIO type 7 from ISP 24xx to target driver
452 * returned entry structure.
453 */
454struct ctio7_from_24xx {
455 uint8_t entry_type; /* Entry type. */
456 uint8_t entry_count; /* Entry count. */
457 uint8_t sys_define; /* System defined. */
458 uint8_t entry_status; /* Entry Status. */
459 uint32_t handle; /* System defined handle */
460 uint16_t status;
461 uint16_t timeout;
462 uint16_t dseg_count; /* Data segment count. */
463 uint8_t vp_index;
464 uint8_t reserved1[5];
465 uint32_t exchange_address;
466 uint16_t reserved2;
467 uint16_t flags;
468 uint32_t residual;
469 uint16_t ox_id;
470 uint16_t reserved3;
471 uint32_t relative_offset;
472 uint8_t reserved4[24];
473} __packed;
474
475/* CTIO7 flags values */
476#define CTIO7_FLAGS_SEND_STATUS BIT_15
477#define CTIO7_FLAGS_TERMINATE BIT_14
478#define CTIO7_FLAGS_CONFORM_REQ BIT_13
479#define CTIO7_FLAGS_DONT_RET_CTIO BIT_8
480#define CTIO7_FLAGS_STATUS_MODE_0 0
481#define CTIO7_FLAGS_STATUS_MODE_1 BIT_6
f83adb61 482#define CTIO7_FLAGS_STATUS_MODE_2 BIT_7
2d70c103
NB		 483#define CTIO7_FLAGS_EXPLICIT_CONFORM BIT_5
484#define CTIO7_FLAGS_CONFIRM_SATISF BIT_4
485#define CTIO7_FLAGS_DSD_PTR BIT_2
f83adb61
QT		 486#define CTIO7_FLAGS_DATA_IN BIT_1 /* data to initiator */
487#define CTIO7_FLAGS_DATA_OUT BIT_0 /* data from initiator */
2d70c103
NB		 488
489#define ELS_PLOGI 0x3
490#define ELS_FLOGI 0x4
491#define ELS_LOGO 0x5
492#define ELS_PRLI 0x20
493#define ELS_PRLO 0x21
494#define ELS_TPRLO 0x24
495#define ELS_PDISC 0x50
496#define ELS_ADISC 0x52
497
f83adb61
QT		 498/*
499 *CTIO Type CRC_2 IOCB
500 */
501struct ctio_crc2_to_fw {
502 uint8_t entry_type; /* Entry type. */
503#define CTIO_CRC2 0x7A
504 uint8_t entry_count; /* Entry count. */
505 uint8_t sys_define; /* System defined. */
506 uint8_t entry_status; /* Entry Status. */
507
508 uint32_t handle; /* System handle. */
509 uint16_t nport_handle; /* N_PORT handle. */
c7ee3bd4 510 __le16 timeout; /* Command timeout. */
f83adb61
QT		 511
512 uint16_t dseg_count; /* Data segment count. */
513 uint8_t vp_index;
514 uint8_t add_flags; /* additional flags */
515#define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3
516
517 uint8_t initiator_id[3]; /* initiator ID */
518 uint8_t reserved1;
519 uint32_t exchange_addr; /* rcv exchange address */
520 uint16_t reserved2;
c7ee3bd4 521 __le16 flags; /* refer to CTIO7 flags values */
f83adb61 522 uint32_t residual;
c7ee3bd4 523 __le16 ox_id;
f83adb61 524 uint16_t scsi_status;
c7ee3bd4 525 __le32 relative_offset;
f83adb61 526 uint32_t reserved5;
c7ee3bd4 527 __le32 transfer_length; /* total fc transfer length */
f83adb61 528 uint32_t reserved6;
c7ee3bd4 529 __le32 crc_context_address[2];/* Data segment address. */
f83adb61
QT		 530 uint16_t crc_context_len; /* Data segment length. */
531 uint16_t reserved_1; /* MUST be set to 0. */
532} __packed;
533
534/* CTIO Type CRC_x Status IOCB */
535struct ctio_crc_from_fw {
536 uint8_t entry_type; /* Entry type. */
537 uint8_t entry_count; /* Entry count. */
538 uint8_t sys_define; /* System defined. */
539 uint8_t entry_status; /* Entry Status. */
540
541 uint32_t handle; /* System handle. */
542 uint16_t status;
543 uint16_t timeout; /* Command timeout. */
544 uint16_t dseg_count; /* Data segment count. */
545 uint32_t reserved1;
546 uint16_t state_flags;
547#define CTIO_CRC_SF_DIF_CHOPPED BIT_4
548
549 uint32_t exchange_address; /* rcv exchange address */
550 uint16_t reserved2;
551 uint16_t flags;
552 uint32_t resid_xfer_length;
553 uint16_t ox_id;
554 uint8_t reserved3[12];
555 uint16_t runt_guard; /* reported runt blk guard */
556 uint8_t actual_dif[8];
557 uint8_t expected_dif[8];
558} __packed;
559
2d70c103
NB		 560/*
561 * ISP queue - ABTS received/response entries structure definition for 24xx.
562 */
563#define ABTS_RECV_24XX 0x54 /* ABTS received (for 24xx) */
564#define ABTS_RESP_24XX 0x55 /* ABTS responce (for 24xx) */
565
566/*
567 * ISP queue - ABTS received IOCB entry structure definition for 24xx.
568 * The ABTS BLS received from the wire is sent to the
569 * target driver by the ISP 24xx.
570 * The IOCB is placed on the response queue.
571 */
572struct abts_recv_from_24xx {
573 uint8_t entry_type; /* Entry type. */
574 uint8_t entry_count; /* Entry count. */
575 uint8_t sys_define; /* System defined. */
576 uint8_t entry_status; /* Entry Status. */
577 uint8_t reserved_1[6];
578 uint16_t nport_handle;
579 uint8_t reserved_2[2];
580 uint8_t vp_index;
581 uint8_t reserved_3:4;
582 uint8_t sof_type:4;
583 uint32_t exchange_address;
584 struct fcp_hdr_le fcp_hdr_le;
585 uint8_t reserved_4[16];
586 uint32_t exchange_addr_to_abort;
587} __packed;
588
589#define ABTS_PARAM_ABORT_SEQ BIT_0
590
591struct ba_acc_le {
592 uint16_t reserved;
593 uint8_t seq_id_last;
594 uint8_t seq_id_valid;
595#define SEQ_ID_VALID 0x80
596#define SEQ_ID_INVALID 0x00
597 uint16_t rx_id;
598 uint16_t ox_id;
599 uint16_t high_seq_cnt;
600 uint16_t low_seq_cnt;
601} __packed;
602
603struct ba_rjt_le {
604 uint8_t vendor_uniq;
605 uint8_t reason_expl;
606 uint8_t reason_code;
607#define BA_RJT_REASON_CODE_INVALID_COMMAND 0x1
608#define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM 0x9
609 uint8_t reserved;
610} __packed;
611
612/*
613 * ISP queue - ABTS Response IOCB entry structure definition for 24xx.
614 * The ABTS response to the ABTS received is sent by the
615 * target driver to the ISP 24xx.
616 * The IOCB is placed on the request queue.
617 */
618struct abts_resp_to_24xx {
619 uint8_t entry_type; /* Entry type. */
620 uint8_t entry_count; /* Entry count. */
621 uint8_t sys_define; /* System defined. */
622 uint8_t entry_status; /* Entry Status. */
623 uint32_t handle;
624 uint16_t reserved_1;
625 uint16_t nport_handle;
626 uint16_t control_flags;
627#define ABTS_CONTR_FLG_TERM_EXCHG BIT_0
628 uint8_t vp_index;
629 uint8_t reserved_3:4;
630 uint8_t sof_type:4;
631 uint32_t exchange_address;
632 struct fcp_hdr_le fcp_hdr_le;
633 union {
634 struct ba_acc_le ba_acct;
635 struct ba_rjt_le ba_rjt;
636 } __packed payload;
637 uint32_t reserved_4;
638 uint32_t exchange_addr_to_abort;
639} __packed;
640
641/*
642 * ISP queue - ABTS Response IOCB from ISP24xx Firmware entry structure.
643 * The ABTS response with completion status to the ABTS response
644 * (sent by the target driver to the ISP 24xx) is sent by the
645 * ISP24xx firmware to the target driver.
646 * The IOCB is placed on the response queue.
647 */
648struct abts_resp_from_24xx_fw {
649 uint8_t entry_type; /* Entry type. */
650 uint8_t entry_count; /* Entry count. */
651 uint8_t sys_define; /* System defined. */
652 uint8_t entry_status; /* Entry Status. */
653 uint32_t handle;
654 uint16_t compl_status;
655#define ABTS_RESP_COMPL_SUCCESS 0
656#define ABTS_RESP_COMPL_SUBCODE_ERROR 0x31
657 uint16_t nport_handle;
658 uint16_t reserved_1;
659 uint8_t reserved_2;
660 uint8_t reserved_3:4;
661 uint8_t sof_type:4;
662 uint32_t exchange_address;
663 struct fcp_hdr_le fcp_hdr_le;
664 uint8_t reserved_4[8];
665 uint32_t error_subcode1;
666#define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM 0x1E
667 uint32_t error_subcode2;
668 uint32_t exchange_addr_to_abort;
669} __packed;
670
671/********************************************************************\
672 * Type Definitions used by initiator & target halves
673\********************************************************************/
674
675struct qla_tgt_mgmt_cmd;
5d964837 676struct fc_port;
c5419e26 677struct qla_tgt_cmd;
2d70c103
NB		 678
679/*
680 * This structure provides a template of function calls that the
681 * target driver (from within qla_target.c) can issue to the
682 * target module (tcm_qla2xxx).
683 */
684struct qla_tgt_func_tmpl {
84905dfe 685 struct qla_tgt_cmd *(*find_cmd_by_tag)(struct fc_port *, uint64_t);
2d70c103
NB		 686 int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *,
687 unsigned char *, uint32_t, int, int, int);
43381ce8 688 void (*handle_data)(struct qla_tgt_cmd *);
f775bd14 689 int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, u64, uint16_t,
2d70c103
NB		 690 uint32_t);
691 void (*free_cmd)(struct qla_tgt_cmd *);
692 void (*free_mcmd)(struct qla_tgt_mgmt_cmd *);
5d964837 693 void (*free_session)(struct fc_port *);
2d70c103
NB		 694
695 int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
5d964837
QT		 696 struct fc_port *);
697 void (*update_sess)(struct fc_port *, port_id_t, uint16_t, bool);
698 struct fc_port *(*find_sess_by_loop_id)(struct scsi_qla_host *,
2d70c103 699 const uint16_t);
5d964837 700 struct fc_port *(*find_sess_by_s_id)(struct scsi_qla_host *,
2d70c103 701 const uint8_t *);
5d964837
QT		 702 void (*clear_nacl_from_fcport_map)(struct fc_port *);
703 void (*put_sess)(struct fc_port *);
704 void (*shutdown_sess)(struct fc_port *);
be25152c
QT		 705 int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts);
706 int (*chk_dif_tags)(uint32_t tag);
f1443eeb 707 void (*add_target)(struct scsi_qla_host *);
bdbe24de 708 void (*remove_target)(struct scsi_qla_host *);
2d70c103
NB		 709};
710
711int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
712
713#include <target/target_core_base.h>
714
715#define QLA_TGT_TIMEOUT 10 /* in seconds */
716
717#define QLA_TGT_MAX_HW_PENDING_TIME 60 /* in seconds */
718
719/* Immediate notify status constants */
720#define IMM_NTFY_LIP_RESET 0x000E
721#define IMM_NTFY_LIP_LINK_REINIT 0x000F
722#define IMM_NTFY_IOCB_OVERFLOW 0x0016
723#define IMM_NTFY_ABORT_TASK 0x0020
724#define IMM_NTFY_PORT_LOGOUT 0x0029
725#define IMM_NTFY_PORT_CONFIG 0x002A
726#define IMM_NTFY_GLBL_TPRLO 0x002D
727#define IMM_NTFY_GLBL_LOGO 0x002E
728#define IMM_NTFY_RESOURCE 0x0034
729#define IMM_NTFY_MSG_RX 0x0036
730#define IMM_NTFY_SRR 0x0045
731#define IMM_NTFY_ELS 0x0046
732
733/* Immediate notify task flags */
734#define IMM_NTFY_TASK_MGMT_SHIFT 8
735
736#define QLA_TGT_CLEAR_ACA 0x40
737#define QLA_TGT_TARGET_RESET 0x20
738#define QLA_TGT_LUN_RESET 0x10
739#define QLA_TGT_CLEAR_TS 0x04
740#define QLA_TGT_ABORT_TS 0x02
741#define QLA_TGT_ABORT_ALL_SESS 0xFFFF
742#define QLA_TGT_ABORT_ALL 0xFFFE
743#define QLA_TGT_NEXUS_LOSS_SESS 0xFFFD
744#define QLA_TGT_NEXUS_LOSS 0xFFFC
be25152c
QT		 745#define QLA_TGT_ABTS 0xFFFB
746#define QLA_TGT_2G_ABORT_TASK 0xFFFA
2d70c103
NB		 747
748/* Notify Acknowledge flags */
749#define NOTIFY_ACK_RES_COUNT BIT_8
750#define NOTIFY_ACK_CLEAR_LIP_RESET BIT_5
751#define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4
752
753/* Command's states */
754#define QLA_TGT_STATE_NEW 0 /* New command + target processing */
755#define QLA_TGT_STATE_NEED_DATA 1 /* target needs data to continue */
756#define QLA_TGT_STATE_DATA_IN 2 /* Data arrived + target processing */
757#define QLA_TGT_STATE_PROCESSED 3 /* target done processing */
193b50b9 758
2d70c103
NB		 759/* ATIO task_codes field */
760#define ATIO_SIMPLE_QUEUE 0
761#define ATIO_HEAD_OF_QUEUE 1
762#define ATIO_ORDERED_QUEUE 2
763#define ATIO_ACA_QUEUE 4
764#define ATIO_UNTAGGED 5
765
766/* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */
767#define FC_TM_SUCCESS 0
768#define FC_TM_BAD_FCP_DATA 1
769#define FC_TM_BAD_CMD 2
770#define FC_TM_FCP_DATA_MISMATCH 3
771#define FC_TM_REJECT 4
772#define FC_TM_FAILED 5
773
2d70c103
NB		 774#define QLA_TGT_SENSE_VALID(sense) ((sense != NULL) && \
775 (((const uint8_t *)(sense))[0] & 0x70) == 0x70)
776
777struct qla_port_24xx_data {
778 uint8_t port_name[WWN_SIZE];
779 uint16_t loop_id;
780 uint16_t reserved;
781};
782
e326d22a
QT		 783struct qla_qpair_hint {
784 struct list_head hint_elem;
785 struct qla_qpair *qpair;
786 u16 cpuid;
787 uint8_t cmd_cnt;
788};
789
2d70c103
NB		 790struct qla_tgt {
791 struct scsi_qla_host *vha;
792 struct qla_hw_data *ha;
e326d22a
QT		 793 struct btree_head64 lun_qpair_map;
794 struct qla_qpair_hint *qphints;
2d70c103
NB		 795 /*
796 * To sync between IRQ handlers and qlt_target_release(). Needed,
797 * because req_pkt() can drop/reaquire HW lock inside. Protected by
798 * HW lock.
799 */
2f424b9b 800 int atio_irq_cmd_count;
2d70c103 801
b5399f7d 802 int sg_tablesize;
2d70c103
NB		 803
804 /* Target's flags, serialized by pha->hardware_lock */
2d70c103
NB		 805 unsigned int link_reinit_iocb_pending:1;
806
807 /*
808 * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex
809 * OR hardware_lock for reading.
810 */
811 int tgt_stop; /* the target mode driver is being stopped */
812 int tgt_stopped; /* the target mode driver has been stopped */
813
814 /* Count of sessions refering qla_tgt. Protected by hardware_lock. */
815 int sess_count;
816
2d70c103
NB		 817 /* Protected by hardware_lock */
818 struct list_head del_sess_list;
2d70c103
NB		 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;
2d70c103 829 atomic_t tgt_global_resets_count;
2d70c103
NB		 830 struct list_head tgt_list_entry;
831};
832
51a07f84
NB		 833struct qla_tgt_sess_op {
834 struct scsi_qla_host *vha;
2f424b9b 835 uint32_t chip_reset;
51a07f84
NB		 836 struct atio_from_isp atio;
837 struct work_struct work;
8b2f5ff3
SN		 838 struct list_head cmd_list;
839 bool aborted;
82de802a 840 struct rsp_que *rsp;
51a07f84
NB		 841};
842
1eb42f96
QT		 843enum trace_flags {
844 TRC_NEW_CMD = BIT_0,
845 TRC_DO_WORK = BIT_1,
846 TRC_DO_WORK_ERR = BIT_2,
847 TRC_XFR_RDY = BIT_3,
848 TRC_XMIT_DATA = BIT_4,
849 TRC_XMIT_STATUS = BIT_5,
850 TRC_SRR_RSP = BIT_6,
851 TRC_SRR_XRDY = BIT_7,
852 TRC_SRR_TERM = BIT_8,
853 TRC_SRR_CTIO = BIT_9,
854 TRC_FLUSH = BIT_10,
855 TRC_CTIO_ERR = BIT_11,
856 TRC_CTIO_DONE = BIT_12,
857 TRC_CTIO_ABORTED = BIT_13,
858 TRC_CTIO_STRANGE= BIT_14,
859 TRC_CMD_DONE = BIT_15,
860 TRC_CMD_CHK_STOP = BIT_16,
861 TRC_CMD_FREE = BIT_17,
862 TRC_DATA_IN = BIT_18,
863 TRC_ABORT = BIT_19,
be25152c 864 TRC_DIF_ERR = BIT_20,
1eb42f96 865};
a07100e0 866
2d70c103 867struct qla_tgt_cmd {
c5419e26
QT		 868 /*
869 * Do not move cmd_type field. it needs to line up with srb->cmd_type
870 */
871 uint8_t cmd_type;
872 uint8_t pad[7];
f83adb61 873 struct se_cmd se_cmd;
5d964837 874 struct fc_port *sess;
82de802a 875 struct qla_qpair *qpair;
7c3f8fd1 876 uint32_t reset_count;
2d70c103 877 int state;
2d70c103
NB		 878 struct work_struct work;
879 /* Sense buffer that will be mapped into outgoing status */
880 unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER];
881
a07100e0 882 spinlock_t cmd_lock;
2d70c103
NB		 883 /* to save extra sess dereferences */
884 unsigned int conf_compl_supported:1;
885 unsigned int sg_mapped:1;
886 unsigned int free_sg:1;
2d70c103 887 unsigned int write_data_transferred:1;
33e79977
QT		 888 unsigned int q_full:1;
889 unsigned int term_exchg:1;
d564a372 890 unsigned int cmd_sent_to_fw:1;
e07f8f65 891 unsigned int cmd_in_wq:1;
193b50b9 892 unsigned int aborted:1;
1eb42f96
QT		 893 unsigned int data_work:1;
894 unsigned int data_work_free:1;
d594db01 895 unsigned int released:1;
2d70c103
NB		 896
897 struct scatterlist *sg; /* cmd data buffer SG vector */
898 int sg_cnt; /* SG segments count */
899 int bufflen; /* cmd buffer length */
900 int offset;
f775bd14 901 u64 unpacked_lun;
2d70c103
NB		 902 enum dma_data_direction dma_data_direction;
903
079a3a3b 904 uint16_t ctio_flags;
22d84726 905 uint16_t vp_idx;
2d70c103
NB		 906 uint16_t loop_id; /* to save extra sess dereferences */
907 struct qla_tgt *tgt; /* to save extra sess dereferences */
908 struct scsi_qla_host *vha;
33e79977 909 struct list_head cmd_list;
2d70c103
NB		 910
911 struct atio_from_isp atio;
be25152c
QT		 912
913 uint8_t ctx_dsd_alloced;
914
915 /* T10-DIF */
916#define DIF_ERR_NONE 0
917#define DIF_ERR_GRD 1
918#define DIF_ERR_REF 2
919#define DIF_ERR_APP 3
920 int8_t dif_err_code;
f83adb61
QT		 921 struct scatterlist *prot_sg;
922 uint32_t prot_sg_cnt;
be25152c
QT		 923 uint32_t blk_sz, num_blks;
924 uint8_t scsi_status, sense_key, asc, ascq;
925
f83adb61 926 struct crc_context *ctx;
be25152c
QT		 927 uint8_t *cdb;
928 uint64_t lba;
929 uint16_t a_guard, e_guard, a_app_tag, e_app_tag;
930 uint32_t a_ref_tag, e_ref_tag;
f83adb61 931
e07f8f65
SK		 932 uint64_t jiffies_at_alloc;
933 uint64_t jiffies_at_free;
a07100e0 934
1eb42f96 935 enum trace_flags trc_flags;
2d70c103
NB		 936};
937
938struct qla_tgt_sess_work_param {
939 struct list_head sess_works_list_entry;
940
941#define QLA_TGT_SESS_WORK_ABORT 1
942#define QLA_TGT_SESS_WORK_TM 2
943 int type;
944
945 union {
946 struct abts_recv_from_24xx abts;
947 struct imm_ntfy_from_isp tm_iocb;
948 struct atio_from_isp tm_iocb2;
949 };
950};
951
952struct qla_tgt_mgmt_cmd {
6b0431d6
QT		 953 uint8_t cmd_type;
954 uint8_t pad[3];
be92fc3f 955 uint16_t tmr_func;
2d70c103 956 uint8_t fc_tm_rsp;
6b0431d6 957 uint8_t abort_io_attr;
5d964837 958 struct fc_port *sess;
82de802a 959 struct qla_qpair *qpair;
72fcd4eb 960 struct scsi_qla_host *vha;
2d70c103
NB		 961 struct se_cmd se_cmd;
962 struct work_struct free_work;
963 unsigned int flags;
6b0431d6
QT		 964#define QLA24XX_MGMT_SEND_NACK BIT_0
965#define QLA24XX_MGMT_ABORT_IO_ATTR_VALID BIT_1
b6a029e1 966 uint32_t reset_count;
84905dfe
QT		 967 struct work_struct work;
968 uint64_t unpacked_lun;
2d70c103
NB		 969 union {
970 struct atio_from_isp atio;
971 struct imm_ntfy_from_isp imm_ntfy;
972 struct abts_recv_from_24xx abts;
973 } __packed orig_iocb;
974};
975
976struct qla_tgt_prm {
977 struct qla_tgt_cmd *cmd;
978 struct qla_tgt *tgt;
979 void *pkt;
980 struct scatterlist *sg; /* cmd data buffer SG vector */
db3a99b9 981 unsigned char *sense_buffer;
2d70c103
NB		 982 int seg_cnt;
983 int req_cnt;
984 uint16_t rq_result;
2d70c103
NB		 985 int sense_buffer_len;
986 int residual;
987 int add_status_pkt;
f83adb61
QT		 988 /* dif */
989 struct scatterlist *prot_sg;
990 uint16_t prot_seg_cnt;
991 uint16_t tot_dsds;
2d70c103
NB		 992};
993
a6ca8878
AP		 994/* Check for Switch reserved address */
995#define IS_SW_RESV_ADDR(_s_id) \
a4239945 996 ((_s_id.b.domain == 0xff) && ((_s_id.b.area & 0xf0) == 0xf0))
a6ca8878 997
2d70c103
NB		 998#define QLA_TGT_XMIT_DATA 1
999#define QLA_TGT_XMIT_STATUS 2
1000#define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA)
1001
2d70c103
NB		 1002
1003extern struct qla_tgt_data qla_target;
2d70c103
NB		 1004
1005/*
1006 * Function prototypes for qla_target.c logic used by qla2xxx LLD code.
1007 */
1008extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *);
1009extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *);
49a47f2c
NB		 1010extern int qlt_lport_register(void *, u64, u64, u64,
1011 int (*callback)(struct scsi_qla_host *, void *, u64, u64));
2d70c103 1012extern void qlt_lport_deregister(struct scsi_qla_host *);
5d964837 1013extern void qlt_unreg_sess(struct fc_port *);
2d70c103 1014extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *);
df673274 1015extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int);
2d70c103
NB		 1016extern int __init qlt_init(void);
1017extern void qlt_exit(void);
1018extern void qlt_update_vp_map(struct scsi_qla_host *, int);
9dd9686b 1019extern void qlt_free_session_done(struct work_struct *);
2d70c103
NB		 1020/*
1021 * This macro is used during early initializations when host->active_mode
1022 * is not set. Right now, ha value is ignored.
1023 */
1024#define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED)
ead03855 1025
aa230bc5 1026extern int ql2x_ini_mode;
2d70c103
NB		 1027
1028static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha)
1029{
726b8548 1030 return ha->host->active_mode == MODE_TARGET;
2d70c103
NB		 1031}
1032
1033static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha)
1034{
726b8548
QT		 1035 return ha->host->active_mode == MODE_INITIATOR;
1036}
1037
1038static inline bool qla_dual_mode_enabled(struct scsi_qla_host *ha)
1039{
1040 return (ha->host->active_mode == MODE_DUAL);
2d70c103
NB		 1041}
1042
8b2f5ff3
SN		 1043static inline uint32_t sid_to_key(const uint8_t *s_id)
1044{
1045 uint32_t key;
1046
1047 key = (((unsigned long)s_id[0] << 16) |
1048 ((unsigned long)s_id[1] << 8) |
1049 (unsigned long)s_id[2]);
1050 return key;
1051}
1052
71cdc079
AP		 1053static inline void sid_to_portid(const uint8_t *s_id, port_id_t *p)
1054{
1055 memset(p, 0, sizeof(*p));
1056 p->b.domain = s_id[0];
1057 p->b.area = s_id[1];
1058 p->b.al_pa = s_id[2];
1059}
1060
2d70c103
NB		 1061/*
1062 * Exported symbols from qla_target.c LLD logic used by qla2xxx code..
1063 */
82de802a
QT		 1064extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, struct rsp_que *,
1065 response_t *);
2d70c103
NB		 1066extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *);
1067extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t);
a07100e0 1068extern int qlt_abort_cmd(struct qla_tgt_cmd *);
2d70c103
NB		 1069extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *);
1070extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *);
1071extern void qlt_free_cmd(struct qla_tgt_cmd *cmd);
2d70c103
NB		 1072extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *);
1073extern void qlt_enable_vha(struct scsi_qla_host *);
1074extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *);
e374f9f5 1075extern u8 qlt_rff_id(struct scsi_qla_host *);
2d70c103 1076extern void qlt_init_atio_q_entries(struct scsi_qla_host *);
2f424b9b 1077extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t);
aa230bc5 1078extern void qlt_24xx_config_rings(struct scsi_qla_host *);
2d70c103
NB		 1079extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *,
1080 struct nvram_24xx *);
1081extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *,
1082 struct init_cb_24xx *);
aa230bc5
AE		 1083extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *,
1084 struct init_cb_81xx *);
1085extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *,
1086 struct nvram_81xx *);
2d70c103
NB		 1087extern int qlt_24xx_process_response_error(struct scsi_qla_host *,
1088 struct sts_entry_24xx *);
1089extern void qlt_modify_vp_config(struct scsi_qla_host *,
1090 struct vp_config_entry_24xx *);
1091extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *);
1092extern int qlt_mem_alloc(struct qla_hw_data *);
1093extern void qlt_mem_free(struct qla_hw_data *);
3c231bda 1094extern int qlt_stop_phase1(struct qla_tgt *);
2d70c103 1095extern void qlt_stop_phase2(struct qla_tgt *);
aa230bc5
AE		 1096extern irqreturn_t qla83xx_msix_atio_q(int, void *);
1097extern void qlt_83xx_iospace_config(struct qla_hw_data *);
82de802a 1098extern int qlt_free_qfull_cmds(struct qla_qpair *);
a6ca8878 1099extern void qlt_logo_completion_handler(fc_port_t *, int);
df673274 1100extern void qlt_do_generation_tick(struct scsi_qla_host *, int *);
2d70c103 1101
8abfa9e2 1102void qlt_send_resp_ctio(struct qla_qpair *, struct qla_tgt_cmd *, uint8_t,
be25152c 1103 uint8_t, uint8_t, uint8_t);
c5419e26
QT		 1104extern void qlt_abort_cmd_on_host_reset(struct scsi_qla_host *,
1105 struct qla_tgt_cmd *);
be25152c 1106
2d70c103 1107#endif /* __QLA_TARGET_H */
Linux 6.x block layer and io_uring tree(s)