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28#ifndef __QLA_TARGET_H
29#define __QLA_TARGET_H
30
31#include "qla_def.h"
32
33
34
35
36
37#define QLA2XXX_TARGET_MAGIC 269
38
39
40
41
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"
48#define QLA2XXX_INI_MODE_STR_DUAL "dual"
49
50#define QLA2XXX_INI_MODE_EXCLUSIVE 0
51#define QLA2XXX_INI_MODE_DISABLED 1
52#define QLA2XXX_INI_MODE_ENABLED 2
53#define QLA2XXX_INI_MODE_DUAL 3
54
55#define QLA2XXX_COMMAND_COUNT_INIT 250
56#define QLA2XXX_IMMED_NOTIFY_COUNT_INIT 250
57
58
59
60
61
62
63
64#define CTIO_COMPLETION_HANDLE_MARK BIT_29
65#if (CTIO_COMPLETION_HANDLE_MARK <= DEFAULT_OUTSTANDING_COMMANDS)
66#error "CTIO_COMPLETION_HANDLE_MARK not larger than "
67 "DEFAULT_OUTSTANDING_COMMANDS"
68#endif
69#define HANDLE_IS_CTIO_COMP(h) (h & CTIO_COMPLETION_HANDLE_MARK)
70
71
72#define CTIO_INTERMEDIATE_HANDLE_MARK BIT_30
73#define QLA_TGT_NULL_HANDLE 0
74
75#define QLA_TGT_HANDLE_MASK 0xF0000000
76#define QLA_QPID_HANDLE_MASK 0x00FF0000
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
83
84#ifndef OF_SS_MODE_0
85
86
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
94#define OF_DATA_IN BIT_6
95
96#define OF_DATA_OUT BIT_7
97
98#define OF_NO_DATA (BIT_7 | BIT_6)
99#define OF_INC_RC BIT_8
100#define OF_FAST_POST BIT_9
101#define OF_CONF_REQ BIT_13
102#define OF_TERM_EXCH BIT_14
103#define OF_SSTS BIT_15
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
133#ifndef NOTIFY_ACK_TYPE
134#define NOTIFY_ACK_TYPE 0x0E
135
136
137
138
139struct nack_to_isp {
140 uint8_t entry_type;
141 uint8_t entry_count;
142 uint8_t sys_define;
143 uint8_t entry_status;
144 union {
145 struct {
146 uint32_t sys_define_2;
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;
172 uint8_t fw_handle;
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;
188#define NOTIFY_ACK_FLAGS_TERMINATE BIT_3
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
202#endif
203
204#ifndef CONTINUE_TGT_IO_TYPE
205#define CONTINUE_TGT_IO_TYPE 0x17
206
207
208
209
210struct ctio_to_2xxx {
211 uint8_t entry_type;
212 uint8_t entry_count;
213 uint8_t sys_define;
214 uint8_t entry_status;
215 uint32_t handle;
216 target_id_t target;
217 uint16_t rx_id;
218 uint16_t flags;
219 uint16_t status;
220 uint16_t timeout;
221 uint16_t dseg_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;
228 uint32_t dseg_0_length;
229 uint32_t dseg_1_address;
230 uint32_t dseg_1_length;
231 uint32_t dseg_2_address;
232 uint32_t dseg_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
248#define CTIO_DIF_ERROR 0x0C
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
259#define ATIO_TYPE7 0x06
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;
271 __be16 ox_id;
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
318
319
320
321 uint8_t add_cdb[4];
322
323} __packed;
324
325
326
327
328
329struct atio_from_isp {
330 union {
331 struct {
332 uint16_t entry_hdr;
333 uint8_t sys_define;
334 uint8_t entry_status;
335 uint32_t sys_define_2;
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];
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;
363 uint8_t entry_count;
364 __le16 attr_n_length;
365#define FCP_CMD_LENGTH_MASK 0x0fff
366#define FCP_CMD_LENGTH_MIN 0x38
367 uint8_t data[56];
368 uint32_t signature;
369#define ATIO_PROCESSED 0xDEADDEAD
370 } raw;
371 } u;
372} __packed;
373
374static inline int fcpcmd_is_corrupted(struct atio *atio)
375{
376 if (atio->entry_type == ATIO_TYPE7 &&
377 (le16_to_cpu(atio->attr_n_length & FCP_CMD_LENGTH_MASK) <
378 FCP_CMD_LENGTH_MIN))
379 return 1;
380 else
381 return 0;
382}
383
384
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
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
399#define CTIO_TYPE7 0x12
400
401
402
403
404
405
406struct ctio7_to_24xx {
407 uint8_t entry_type;
408 uint8_t entry_count;
409 uint8_t sys_define;
410 uint8_t entry_status;
411 uint32_t handle;
412 uint16_t nport_handle;
413#define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF
414 uint16_t timeout;
415 uint16_t dseg_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;
424 __le16 flags;
425 uint32_t residual;
426 __le16 ox_id;
427 uint16_t scsi_status;
428 uint32_t relative_offset;
429 uint32_t reserved2;
430 uint32_t transfer_length;
431 uint32_t reserved3;
432
433 uint32_t dseg_0_address[2];
434
435 uint32_t dseg_0_length;
436 } status0;
437 struct {
438 uint16_t sense_length;
439 __le16 flags;
440 uint32_t residual;
441 __le16 ox_id;
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
452
453
454struct ctio7_from_24xx {
455 uint8_t entry_type;
456 uint8_t entry_count;
457 uint8_t sys_define;
458 uint8_t entry_status;
459 uint32_t handle;
460 uint16_t status;
461 uint16_t timeout;
462 uint16_t dseg_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
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
482#define CTIO7_FLAGS_STATUS_MODE_2 BIT_7
483#define CTIO7_FLAGS_EXPLICIT_CONFORM BIT_5
484#define CTIO7_FLAGS_CONFIRM_SATISF BIT_4
485#define CTIO7_FLAGS_DSD_PTR BIT_2
486#define CTIO7_FLAGS_DATA_IN BIT_1
487#define CTIO7_FLAGS_DATA_OUT BIT_0
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
498
499
500
501struct ctio_crc2_to_fw {
502 uint8_t entry_type;
503#define CTIO_CRC2 0x7A
504 uint8_t entry_count;
505 uint8_t sys_define;
506 uint8_t entry_status;
507
508 uint32_t handle;
509 uint16_t nport_handle;
510 __le16 timeout;
511
512 uint16_t dseg_count;
513 uint8_t vp_index;
514 uint8_t add_flags;
515#define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3
516
517 uint8_t initiator_id[3];
518 uint8_t reserved1;
519 uint32_t exchange_addr;
520 uint16_t reserved2;
521 __le16 flags;
522 uint32_t residual;
523 __le16 ox_id;
524 uint16_t scsi_status;
525 __le32 relative_offset;
526 uint32_t reserved5;
527 __le32 transfer_length;
528 uint32_t reserved6;
529 __le32 crc_context_address[2];
530 uint16_t crc_context_len;
531 uint16_t reserved_1;
532} __packed;
533
534
535struct ctio_crc_from_fw {
536 uint8_t entry_type;
537 uint8_t entry_count;
538 uint8_t sys_define;
539 uint8_t entry_status;
540
541 uint32_t handle;
542 uint16_t status;
543 uint16_t timeout;
544 uint16_t dseg_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;
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;
556 uint8_t actual_dif[8];
557 uint8_t expected_dif[8];
558} __packed;
559
560
561
562
563#define ABTS_RECV_24XX 0x54
564#define ABTS_RESP_24XX 0x55
565
566
567
568
569
570
571
572struct abts_recv_from_24xx {
573 uint8_t entry_type;
574 uint8_t entry_count;
575 uint8_t sys_define;
576 uint8_t 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
614
615
616
617
618struct abts_resp_to_24xx {
619 uint8_t entry_type;
620 uint8_t entry_count;
621 uint8_t sys_define;
622 uint8_t 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
643
644
645
646
647
648struct abts_resp_from_24xx_fw {
649 uint8_t entry_type;
650 uint8_t entry_count;
651 uint8_t sys_define;
652 uint8_t 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
673
674
675struct qla_tgt_mgmt_cmd;
676struct fc_port;
677struct qla_tgt_cmd;
678
679
680
681
682
683
684struct qla_tgt_func_tmpl {
685
686 int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *,
687 unsigned char *, uint32_t, int, int, int);
688 void (*handle_data)(struct qla_tgt_cmd *);
689 int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, u64, uint16_t,
690 uint32_t);
691 void (*free_cmd)(struct qla_tgt_cmd *);
692 void (*free_mcmd)(struct qla_tgt_mgmt_cmd *);
693 void (*free_session)(struct fc_port *);
694
695 int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
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 *,
699 const uint16_t);
700 struct fc_port *(*find_sess_by_s_id)(struct scsi_qla_host *,
701 const uint8_t *);
702 void (*clear_nacl_from_fcport_map)(struct fc_port *);
703 void (*put_sess)(struct fc_port *);
704 void (*shutdown_sess)(struct fc_port *);
705 int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts);
706 int (*chk_dif_tags)(uint32_t tag);
707 void (*add_target)(struct scsi_qla_host *);
708 void (*remove_target)(struct scsi_qla_host *);
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
716
717#define QLA_TGT_MAX_HW_PENDING_TIME 60
718
719
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
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
745#define QLA_TGT_ABTS 0xFFFB
746#define QLA_TGT_2G_ABORT_TASK 0xFFFA
747
748
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
754#define QLA_TGT_STATE_NEW 0
755#define QLA_TGT_STATE_NEED_DATA 1
756#define QLA_TGT_STATE_DATA_IN 2
757#define QLA_TGT_STATE_PROCESSED 3
758
759
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
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
774#if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G)
775#define pci_dma_lo32(a) (a & 0xffffffff)
776#define pci_dma_hi32(a) ((((a) >> 16)>>16) & 0xffffffff)
777#else
778#define pci_dma_lo32(a) (a & 0xffffffff)
779#define pci_dma_hi32(a) 0
780#endif
781
782#define QLA_TGT_SENSE_VALID(sense) ((sense != NULL) && \
783 (((const uint8_t *)(sense))[0] & 0x70) == 0x70)
784
785struct qla_port_24xx_data {
786 uint8_t port_name[WWN_SIZE];
787 uint16_t loop_id;
788 uint16_t reserved;
789};
790
791struct qla_qpair_hint {
792 struct list_head hint_elem;
793 struct qla_qpair *qpair;
794 u16 cpuid;
795 uint8_t cmd_cnt;
796};
797
798struct qla_tgt {
799 struct scsi_qla_host *vha;
800 struct qla_hw_data *ha;
801 struct btree_head64 lun_qpair_map;
802 struct qla_qpair_hint *qphints;
803
804
805
806
807
808 int atio_irq_cmd_count;
809
810 int sg_tablesize;
811
812
813 unsigned int link_reinit_iocb_pending:1;
814
815
816
817
818
819 int tgt_stop;
820 int tgt_stopped;
821
822
823 int sess_count;
824
825
826 struct list_head del_sess_list;
827
828 spinlock_t sess_work_lock;
829 struct list_head sess_works_list;
830 struct work_struct sess_work;
831
832 struct imm_ntfy_from_isp link_reinit_iocb;
833 wait_queue_head_t waitQ;
834 int notify_ack_expected;
835 int abts_resp_expected;
836 int modify_lun_expected;
837 atomic_t tgt_global_resets_count;
838 struct list_head tgt_list_entry;
839};
840
841struct qla_tgt_sess_op {
842 struct scsi_qla_host *vha;
843 uint32_t chip_reset;
844 struct atio_from_isp atio;
845 struct work_struct work;
846 struct list_head cmd_list;
847 bool aborted;
848 struct rsp_que *rsp;
849};
850
851enum 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};
874
875struct qla_tgt_cmd {
876
877
878
879 uint8_t cmd_type;
880 uint8_t pad[7];
881 struct se_cmd se_cmd;
882 struct fc_port *sess;
883 struct qla_qpair *qpair;
884 uint32_t reset_count;
885 int state;
886 struct work_struct work;
887
888 unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER];
889
890 spinlock_t cmd_lock;
891
892 unsigned int conf_compl_supported:1;
893 unsigned int sg_mapped:1;
894 unsigned int free_sg:1;
895 unsigned int write_data_transferred:1;
896 unsigned int q_full:1;
897 unsigned int term_exchg:1;
898 unsigned int cmd_sent_to_fw:1;
899 unsigned int cmd_in_wq:1;
900 unsigned int aborted:1;
901 unsigned int data_work:1;
902 unsigned int data_work_free:1;
903
904 struct scatterlist *sg;
905 int sg_cnt;
906 int bufflen;
907 int offset;
908 u64 unpacked_lun;
909 enum dma_data_direction dma_data_direction;
910
911 uint16_t vp_idx;
912 uint16_t loop_id;
913 struct qla_tgt *tgt;
914 struct scsi_qla_host *vha;
915 struct list_head cmd_list;
916
917 struct atio_from_isp atio;
918
919 uint8_t ctx_dsd_alloced;
920
921
922#define DIF_ERR_NONE 0
923#define DIF_ERR_GRD 1
924#define DIF_ERR_REF 2
925#define DIF_ERR_APP 3
926 int8_t dif_err_code;
927 struct scatterlist *prot_sg;
928 uint32_t prot_sg_cnt;
929 uint32_t blk_sz, num_blks;
930 uint8_t scsi_status, sense_key, asc, ascq;
931
932 struct crc_context *ctx;
933 uint8_t *cdb;
934 uint64_t lba;
935 uint16_t a_guard, e_guard, a_app_tag, e_app_tag;
936 uint32_t a_ref_tag, e_ref_tag;
937
938 uint64_t jiffies_at_alloc;
939 uint64_t jiffies_at_free;
940
941 enum trace_flags trc_flags;
942};
943
944struct qla_tgt_sess_work_param {
945 struct list_head sess_works_list_entry;
946
947#define QLA_TGT_SESS_WORK_ABORT 1
948#define QLA_TGT_SESS_WORK_TM 2
949 int type;
950
951 union {
952 struct abts_recv_from_24xx abts;
953 struct imm_ntfy_from_isp tm_iocb;
954 struct atio_from_isp tm_iocb2;
955 };
956};
957
958struct qla_tgt_mgmt_cmd {
959 uint16_t tmr_func;
960 uint8_t fc_tm_rsp;
961 struct fc_port *sess;
962 struct qla_qpair *qpair;
963 struct scsi_qla_host *vha;
964 struct se_cmd se_cmd;
965 struct work_struct free_work;
966 unsigned int flags;
967 uint32_t reset_count;
968#define QLA24XX_MGMT_SEND_NACK 1
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;
981 unsigned char *sense_buffer;
982 int seg_cnt;
983 int req_cnt;
984 uint16_t rq_result;
985 int sense_buffer_len;
986 int residual;
987 int add_status_pkt;
988
989 struct scatterlist *prot_sg;
990 uint16_t prot_seg_cnt;
991 uint16_t tot_dsds;
992};
993
994
995#define IS_SW_RESV_ADDR(_s_id) \
996 ((_s_id.b.domain == 0xff) && (_s_id.b.area == 0xfc))
997
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
1002
1003extern struct qla_tgt_data qla_target;
1004
1005
1006
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 *);
1010extern int qlt_lport_register(void *, u64, u64, u64,
1011 int (*callback)(struct scsi_qla_host *, void *, u64, u64));
1012extern void qlt_lport_deregister(struct scsi_qla_host *);
1013extern void qlt_unreg_sess(struct fc_port *);
1014extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *);
1015extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int);
1016extern int __init qlt_init(void);
1017extern void qlt_exit(void);
1018extern void qlt_update_vp_map(struct scsi_qla_host *, int);
1019
1020
1021
1022
1023
1024#define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED)
1025
1026extern int ql2x_ini_mode;
1027
1028static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha)
1029{
1030 return ha->host->active_mode == MODE_TARGET;
1031}
1032
1033static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha)
1034{
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);
1041}
1042
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
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
1061
1062
1063
1064extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, struct rsp_que *,
1065 response_t *);
1066extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *);
1067extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t);
1068extern int qlt_abort_cmd(struct qla_tgt_cmd *);
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);
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 *);
1075extern void qlt_rff_id(struct scsi_qla_host *, struct ct_sns_req *);
1076extern void qlt_init_atio_q_entries(struct scsi_qla_host *);
1077extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t);
1078extern void qlt_24xx_config_rings(struct scsi_qla_host *);
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 *);
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 *);
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 *);
1094extern int qlt_stop_phase1(struct qla_tgt *);
1095extern void qlt_stop_phase2(struct qla_tgt *);
1096extern irqreturn_t qla83xx_msix_atio_q(int, void *);
1097extern void qlt_83xx_iospace_config(struct qla_hw_data *);
1098extern int qlt_free_qfull_cmds(struct qla_qpair *);
1099extern void qlt_logo_completion_handler(fc_port_t *, int);
1100extern void qlt_do_generation_tick(struct scsi_qla_host *, int *);
1101
1102void qlt_send_resp_ctio(struct qla_qpair *, struct qla_tgt_cmd *, uint8_t,
1103 uint8_t, uint8_t, uint8_t);
1104extern void qlt_abort_cmd_on_host_reset(struct scsi_qla_host *,
1105 struct qla_tgt_cmd *);
1106
1107#endif
1108