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19#ifndef __QLA_TARGET_H
20#define __QLA_TARGET_H
21
22#include "qla_def.h"
23#include "qla_dsd.h"
24
25
26
27
28
29#define QLA2XXX_TARGET_MAGIC 269
30
31
32
33
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
52
53
54
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
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
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
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
86#define OF_DATA_IN BIT_6
87
88#define OF_DATA_OUT BIT_7
89
90#define OF_NO_DATA (BIT_7 | BIT_6)
91#define OF_INC_RC BIT_8
92#define OF_FAST_POST BIT_9
93#define OF_CONF_REQ BIT_13
94#define OF_TERM_EXCH BIT_14
95#define OF_SSTS BIT_15
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
126
127
128
129
130struct nack_to_isp {
131 uint8_t entry_type;
132 uint8_t entry_count;
133 uint8_t sys_define;
134 uint8_t entry_status;
135 union {
136 struct {
137 __le32 sys_define_2;
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_UNABLE_TO_SUPPLY_DATA 0x2a
188
189#define NOTIFY_ACK_SUCCESS 0x01
190#endif
191
192#ifndef ACCEPT_TGT_IO_TYPE
193#define ACCEPT_TGT_IO_TYPE 0x16
194#endif
195
196#ifndef CONTINUE_TGT_IO_TYPE
197#define CONTINUE_TGT_IO_TYPE 0x17
198
199
200
201
202struct ctio_to_2xxx {
203 uint8_t entry_type;
204 uint8_t entry_count;
205 uint8_t sys_define;
206 uint8_t entry_status;
207 uint32_t handle;
208 target_id_t target;
209 __le16 rx_id;
210 __le16 flags;
211 __le16 status;
212 __le16 timeout;
213 __le16 dseg_count;
214 __le32 relative_offset;
215 __le32 residual;
216 __le16 reserved_1[3];
217 __le16 scsi_status;
218 __le32 transfer_length;
219 struct dsd32 dsd[3];
220} __packed;
221#define ATIO_PATH_INVALID 0x07
222#define ATIO_CANT_PROV_CAP 0x16
223#define ATIO_CDB_VALID 0x3D
224
225#define ATIO_EXEC_READ BIT_1
226#define ATIO_EXEC_WRITE BIT_0
227#endif
228
229#ifndef CTIO_A64_TYPE
230#define CTIO_A64_TYPE 0x1F
231#define CTIO_SUCCESS 0x01
232#define CTIO_ABORTED 0x02
233#define CTIO_INVALID_RX_ID 0x08
234#define CTIO_TIMEOUT 0x0B
235#define CTIO_DIF_ERROR 0x0C
236#define CTIO_LIP_RESET 0x0E
237#define CTIO_TARGET_RESET 0x17
238#define CTIO_PORT_UNAVAILABLE 0x28
239#define CTIO_PORT_LOGGED_OUT 0x29
240#define CTIO_PORT_CONF_CHANGED 0x2A
241#define CTIO_SRR_RECEIVED 0x45
242#define CTIO_FAST_AUTH_ERR 0x63
243#define CTIO_FAST_INCOMP_PAD_LEN 0x65
244#define CTIO_FAST_INVALID_REQ 0x66
245#define CTIO_FAST_SPI_ERR 0x67
246#endif
247
248#ifndef CTIO_RET_TYPE
249#define CTIO_RET_TYPE 0x17
250#define ATIO_TYPE7 0x06
251#endif
252
253struct fcp_hdr {
254 uint8_t r_ctl;
255 be_id_t d_id;
256 uint8_t cs_ctl;
257 be_id_t s_id;
258 uint8_t type;
259 uint8_t f_ctl[3];
260 uint8_t seq_id;
261 uint8_t df_ctl;
262 uint16_t seq_cnt;
263 __be16 ox_id;
264 uint16_t rx_id;
265 __le32 parameter;
266};
267
268struct fcp_hdr_le {
269 le_id_t d_id;
270 uint8_t r_ctl;
271 le_id_t s_id;
272 uint8_t cs_ctl;
273 uint8_t f_ctl[3];
274 uint8_t type;
275 __le16 seq_cnt;
276 uint8_t df_ctl;
277 uint8_t seq_id;
278 __le16 rx_id;
279 __le16 ox_id;
280 __le32 parameter;
281};
282
283#define F_CTL_EXCH_CONTEXT_RESP BIT_23
284#define F_CTL_SEQ_CONTEXT_RESIP BIT_22
285#define F_CTL_LAST_SEQ BIT_20
286#define F_CTL_END_SEQ BIT_19
287#define F_CTL_SEQ_INITIATIVE BIT_16
288
289#define R_CTL_BASIC_LINK_SERV 0x80
290#define R_CTL_B_ACC 0x4
291#define R_CTL_B_RJT 0x5
292
293struct atio7_fcp_cmnd {
294 uint64_t lun;
295 uint8_t cmnd_ref;
296 uint8_t task_attr:3;
297 uint8_t reserved:5;
298 uint8_t task_mgmt_flags;
299#define FCP_CMND_TASK_MGMT_CLEAR_ACA 6
300#define FCP_CMND_TASK_MGMT_TARGET_RESET 5
301#define FCP_CMND_TASK_MGMT_LU_RESET 4
302#define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET 2
303#define FCP_CMND_TASK_MGMT_ABORT_TASK_SET 1
304 uint8_t wrdata:1;
305 uint8_t rddata:1;
306 uint8_t add_cdb_len:6;
307 uint8_t cdb[16];
308
309
310
311
312
313 uint8_t add_cdb[4];
314
315} __packed;
316
317
318
319
320
321struct atio_from_isp {
322 union {
323 struct {
324 __le16 entry_hdr;
325 uint8_t sys_define;
326 uint8_t entry_status;
327 __le32 sys_define_2;
328 target_id_t target;
329 __le16 rx_id;
330 __le16 flags;
331 __le16 status;
332 uint8_t command_ref;
333 uint8_t task_codes;
334 uint8_t task_flags;
335 uint8_t execution_codes;
336 uint8_t cdb[MAX_CMDSZ];
337 __le32 data_length;
338 __le16 lun;
339 uint8_t initiator_port_name[WWN_SIZE];
340 __le16 reserved_32[6];
341 __le16 ox_id;
342 } isp2x;
343 struct {
344 __le16 entry_hdr;
345 uint8_t fcp_cmnd_len_low;
346 uint8_t fcp_cmnd_len_high:4;
347 uint8_t attr:4;
348 __le32 exchange_addr;
349#define ATIO_EXCHANGE_ADDRESS_UNKNOWN 0xFFFFFFFF
350 struct fcp_hdr fcp_hdr;
351 struct atio7_fcp_cmnd fcp_cmnd;
352 } isp24;
353 struct {
354 uint8_t entry_type;
355 uint8_t entry_count;
356 __le16 attr_n_length;
357#define FCP_CMD_LENGTH_MASK 0x0fff
358#define FCP_CMD_LENGTH_MIN 0x38
359 uint8_t data[56];
360 __le32 signature;
361#define ATIO_PROCESSED 0xDEADDEAD
362 } raw;
363 } u;
364} __packed;
365
366static inline int fcpcmd_is_corrupted(struct atio *atio)
367{
368 if (atio->entry_type == ATIO_TYPE7 &&
369 ((le16_to_cpu(atio->attr_n_length) & FCP_CMD_LENGTH_MASK) <
370 FCP_CMD_LENGTH_MIN))
371 return 1;
372 else
373 return 0;
374}
375
376
377static inline void adjust_corrupted_atio(struct atio_from_isp *atio)
378{
379 atio->u.raw.attr_n_length = cpu_to_le16(FCP_CMD_LENGTH_MIN);
380 atio->u.isp24.fcp_cmnd.add_cdb_len = 0;
381}
382
383static inline int get_datalen_for_atio(struct atio_from_isp *atio)
384{
385 int len = atio->u.isp24.fcp_cmnd.add_cdb_len;
386
387 return get_unaligned_be32(&atio->u.isp24.fcp_cmnd.add_cdb[len * 4]);
388}
389
390#define CTIO_TYPE7 0x12
391
392
393
394
395
396
397struct ctio7_to_24xx {
398 uint8_t entry_type;
399 uint8_t entry_count;
400 uint8_t sys_define;
401 uint8_t entry_status;
402 uint32_t handle;
403 __le16 nport_handle;
404#define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF
405 __le16 timeout;
406 __le16 dseg_count;
407 uint8_t vp_index;
408 uint8_t add_flags;
409 le_id_t initiator_id;
410 uint8_t reserved;
411 __le32 exchange_addr;
412 union {
413 struct {
414 __le16 reserved1;
415 __le16 flags;
416 union {
417 __le32 residual;
418 struct {
419 uint8_t rsvd1;
420 uint8_t edif_flags;
421#define EF_EN_EDIF BIT_0
422#define EF_NEW_SA BIT_1
423 uint16_t rsvd2;
424 };
425 };
426 __le16 ox_id;
427 __le16 scsi_status;
428 __le32 relative_offset;
429 __le32 reserved2;
430 __le32 transfer_length;
431 __le32 reserved3;
432 struct dsd64 dsd;
433 } status0;
434 struct {
435 __le16 sense_length;
436 __le16 flags;
437 __le32 residual;
438 __le16 ox_id;
439 __le16 scsi_status;
440 __le16 response_len;
441 __le16 reserved;
442 uint8_t sense_data[24];
443 } status1;
444 } u;
445} __packed;
446
447
448
449
450
451struct ctio7_from_24xx {
452 uint8_t entry_type;
453 uint8_t entry_count;
454 uint8_t sys_define;
455 uint8_t entry_status;
456 uint32_t handle;
457 __le16 status;
458 __le16 timeout;
459 __le16 dseg_count;
460 uint8_t vp_index;
461 uint8_t reserved1[5];
462 __le32 exchange_address;
463 __le16 edif_sa_index;
464 __le16 flags;
465 __le32 residual;
466 __le16 ox_id;
467 __le16 reserved3;
468 __le32 relative_offset;
469 uint8_t reserved4[24];
470} __packed;
471
472
473#define CTIO7_FLAGS_SEND_STATUS BIT_15
474#define CTIO7_FLAGS_TERMINATE BIT_14
475#define CTIO7_FLAGS_CONFORM_REQ BIT_13
476#define CTIO7_FLAGS_DONT_RET_CTIO BIT_8
477#define CTIO7_FLAGS_STATUS_MODE_0 0
478#define CTIO7_FLAGS_STATUS_MODE_1 BIT_6
479#define CTIO7_FLAGS_STATUS_MODE_2 BIT_7
480#define CTIO7_FLAGS_EXPLICIT_CONFORM BIT_5
481#define CTIO7_FLAGS_CONFIRM_SATISF BIT_4
482#define CTIO7_FLAGS_DSD_PTR BIT_2
483#define CTIO7_FLAGS_DATA_IN BIT_1
484#define CTIO7_FLAGS_DATA_OUT BIT_0
485
486#define ELS_PLOGI 0x3
487#define ELS_FLOGI 0x4
488#define ELS_LOGO 0x5
489#define ELS_PRLI 0x20
490#define ELS_PRLO 0x21
491#define ELS_TPRLO 0x24
492#define ELS_PDISC 0x50
493#define ELS_ADISC 0x52
494
495
496
497
498struct ctio_crc2_to_fw {
499 uint8_t entry_type;
500#define CTIO_CRC2 0x7A
501 uint8_t entry_count;
502 uint8_t sys_define;
503 uint8_t entry_status;
504
505 uint32_t handle;
506 __le16 nport_handle;
507 __le16 timeout;
508
509 __le16 dseg_count;
510 uint8_t vp_index;
511 uint8_t add_flags;
512#define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3
513
514 le_id_t initiator_id;
515 uint8_t reserved1;
516 __le32 exchange_addr;
517 __le16 reserved2;
518 __le16 flags;
519 __le32 residual;
520 __le16 ox_id;
521 __le16 scsi_status;
522 __le32 relative_offset;
523 __le32 reserved5;
524 __le32 transfer_length;
525 __le32 reserved6;
526 __le64 crc_context_address __packed;
527 __le16 crc_context_len;
528 __le16 reserved_1;
529};
530
531
532struct ctio_crc_from_fw {
533 uint8_t entry_type;
534 uint8_t entry_count;
535 uint8_t sys_define;
536 uint8_t entry_status;
537
538 uint32_t handle;
539 __le16 status;
540 __le16 timeout;
541 __le16 dseg_count;
542 __le32 reserved1;
543 __le16 state_flags;
544#define CTIO_CRC_SF_DIF_CHOPPED BIT_4
545
546 __le32 exchange_address;
547 __le16 reserved2;
548 __le16 flags;
549 __le32 resid_xfer_length;
550 __le16 ox_id;
551 uint8_t reserved3[12];
552 __le16 runt_guard;
553 uint8_t actual_dif[8];
554 uint8_t expected_dif[8];
555} __packed;
556
557
558
559
560#define ABTS_RECV_24XX 0x54
561#define ABTS_RESP_24XX 0x55
562
563
564
565
566
567
568
569struct abts_recv_from_24xx {
570 uint8_t entry_type;
571 uint8_t entry_count;
572 uint8_t sys_define;
573 uint8_t entry_status;
574 uint8_t reserved_1[6];
575 __le16 nport_handle;
576 uint8_t reserved_2[2];
577 uint8_t vp_index;
578 uint8_t reserved_3:4;
579 uint8_t sof_type:4;
580 __le32 exchange_address;
581 struct fcp_hdr_le fcp_hdr_le;
582 uint8_t reserved_4[16];
583 __le32 exchange_addr_to_abort;
584} __packed;
585
586#define ABTS_PARAM_ABORT_SEQ BIT_0
587
588struct ba_acc_le {
589 __le16 reserved;
590 uint8_t seq_id_last;
591 uint8_t seq_id_valid;
592#define SEQ_ID_VALID 0x80
593#define SEQ_ID_INVALID 0x00
594 __le16 rx_id;
595 __le16 ox_id;
596 __le16 high_seq_cnt;
597 __le16 low_seq_cnt;
598} __packed;
599
600struct ba_rjt_le {
601 uint8_t vendor_uniq;
602 uint8_t reason_expl;
603 uint8_t reason_code;
604#define BA_RJT_REASON_CODE_INVALID_COMMAND 0x1
605#define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM 0x9
606 uint8_t reserved;
607} __packed;
608
609
610
611
612
613
614
615struct abts_resp_to_24xx {
616 uint8_t entry_type;
617 uint8_t entry_count;
618 uint8_t sys_define;
619 uint8_t entry_status;
620 uint32_t handle;
621 __le16 reserved_1;
622 __le16 nport_handle;
623 __le16 control_flags;
624#define ABTS_CONTR_FLG_TERM_EXCHG BIT_0
625 uint8_t vp_index;
626 uint8_t reserved_3:4;
627 uint8_t sof_type:4;
628 __le32 exchange_address;
629 struct fcp_hdr_le fcp_hdr_le;
630 union {
631 struct ba_acc_le ba_acct;
632 struct ba_rjt_le ba_rjt;
633 } __packed payload;
634 __le32 reserved_4;
635 __le32 exchange_addr_to_abort;
636} __packed;
637
638
639
640
641
642
643
644
645struct abts_resp_from_24xx_fw {
646 uint8_t entry_type;
647 uint8_t entry_count;
648 uint8_t sys_define;
649 uint8_t entry_status;
650 uint32_t handle;
651 __le16 compl_status;
652#define ABTS_RESP_COMPL_SUCCESS 0
653#define ABTS_RESP_COMPL_SUBCODE_ERROR 0x31
654 __le16 nport_handle;
655 __le16 reserved_1;
656 uint8_t reserved_2;
657 uint8_t reserved_3:4;
658 uint8_t sof_type:4;
659 __le32 exchange_address;
660 struct fcp_hdr_le fcp_hdr_le;
661 uint8_t reserved_4[8];
662 __le32 error_subcode1;
663#define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM 0x1E
664 __le32 error_subcode2;
665 __le32 exchange_addr_to_abort;
666} __packed;
667
668
669
670
671
672struct qla_tgt_mgmt_cmd;
673struct fc_port;
674struct qla_tgt_cmd;
675
676
677
678
679
680
681struct qla_tgt_func_tmpl {
682 struct qla_tgt_cmd *(*find_cmd_by_tag)(struct fc_port *, uint64_t);
683 int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *,
684 unsigned char *, uint32_t, int, int, int);
685 void (*handle_data)(struct qla_tgt_cmd *);
686 int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, u64, uint16_t,
687 uint32_t);
688 struct qla_tgt_cmd *(*get_cmd)(struct fc_port *);
689 void (*rel_cmd)(struct qla_tgt_cmd *);
690 void (*free_cmd)(struct qla_tgt_cmd *);
691 void (*free_mcmd)(struct qla_tgt_mgmt_cmd *);
692 void (*free_session)(struct fc_port *);
693
694 int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
695 struct fc_port *);
696 void (*update_sess)(struct fc_port *, port_id_t, uint16_t, bool);
697 struct fc_port *(*find_sess_by_loop_id)(struct scsi_qla_host *,
698 const uint16_t);
699 struct fc_port *(*find_sess_by_s_id)(struct scsi_qla_host *,
700 const be_id_t);
701 void (*clear_nacl_from_fcport_map)(struct fc_port *);
702 void (*put_sess)(struct fc_port *);
703 void (*shutdown_sess)(struct fc_port *);
704 int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts);
705 int (*chk_dif_tags)(uint32_t tag);
706 void (*add_target)(struct scsi_qla_host *);
707 void (*remove_target)(struct scsi_qla_host *);
708};
709
710int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
711
712#include <target/target_core_base.h>
713
714#define QLA_TGT_TIMEOUT 10
715
716#define QLA_TGT_MAX_HW_PENDING_TIME 60
717
718
719#define IMM_NTFY_LIP_RESET 0x000E
720#define IMM_NTFY_LIP_LINK_REINIT 0x000F
721#define IMM_NTFY_IOCB_OVERFLOW 0x0016
722#define IMM_NTFY_ABORT_TASK 0x0020
723#define IMM_NTFY_PORT_LOGOUT 0x0029
724#define IMM_NTFY_PORT_CONFIG 0x002A
725#define IMM_NTFY_GLBL_TPRLO 0x002D
726#define IMM_NTFY_GLBL_LOGO 0x002E
727#define IMM_NTFY_RESOURCE 0x0034
728#define IMM_NTFY_MSG_RX 0x0036
729#define IMM_NTFY_SRR 0x0045
730#define IMM_NTFY_ELS 0x0046
731
732
733#define IMM_NTFY_TASK_MGMT_SHIFT 8
734
735#define QLA_TGT_CLEAR_ACA 0x40
736#define QLA_TGT_TARGET_RESET 0x20
737#define QLA_TGT_LUN_RESET 0x10
738#define QLA_TGT_CLEAR_TS 0x04
739#define QLA_TGT_ABORT_TS 0x02
740#define QLA_TGT_ABORT_ALL_SESS 0xFFFF
741#define QLA_TGT_ABORT_ALL 0xFFFE
742#define QLA_TGT_NEXUS_LOSS_SESS 0xFFFD
743#define QLA_TGT_NEXUS_LOSS 0xFFFC
744#define QLA_TGT_ABTS 0xFFFB
745#define QLA_TGT_2G_ABORT_TASK 0xFFFA
746
747
748#define NOTIFY_ACK_RES_COUNT BIT_8
749#define NOTIFY_ACK_CLEAR_LIP_RESET BIT_5
750#define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4
751
752
753#define QLA_TGT_STATE_NEW 0
754#define QLA_TGT_STATE_NEED_DATA 1
755#define QLA_TGT_STATE_DATA_IN 2
756#define QLA_TGT_STATE_PROCESSED 3
757
758
759#define ATIO_SIMPLE_QUEUE 0
760#define ATIO_HEAD_OF_QUEUE 1
761#define ATIO_ORDERED_QUEUE 2
762#define ATIO_ACA_QUEUE 4
763#define ATIO_UNTAGGED 5
764
765
766#define FC_TM_SUCCESS 0
767#define FC_TM_BAD_FCP_DATA 1
768#define FC_TM_BAD_CMD 2
769#define FC_TM_FCP_DATA_MISMATCH 3
770#define FC_TM_REJECT 4
771#define FC_TM_FAILED 5
772
773#define QLA_TGT_SENSE_VALID(sense) ((sense != NULL) && \
774 (((const uint8_t *)(sense))[0] & 0x70) == 0x70)
775
776struct qla_port_24xx_data {
777 uint8_t port_name[WWN_SIZE];
778 uint16_t loop_id;
779 uint16_t reserved;
780};
781
782struct qla_qpair_hint {
783 struct list_head hint_elem;
784 struct qla_qpair *qpair;
785 u16 cpuid;
786 uint8_t cmd_cnt;
787};
788
789struct qla_tgt {
790 struct scsi_qla_host *vha;
791 struct qla_hw_data *ha;
792 struct btree_head64 lun_qpair_map;
793 struct qla_qpair_hint *qphints;
794
795
796
797
798
799 int atio_irq_cmd_count;
800
801 int sg_tablesize;
802
803
804 unsigned int link_reinit_iocb_pending:1;
805
806
807
808
809
810 int tgt_stop;
811 int tgt_stopped;
812
813
814 int sess_count;
815
816
817 struct list_head del_sess_list;
818
819 spinlock_t sess_work_lock;
820 struct list_head sess_works_list;
821 struct work_struct sess_work;
822
823 struct imm_ntfy_from_isp link_reinit_iocb;
824 wait_queue_head_t waitQ;
825 int notify_ack_expected;
826 int abts_resp_expected;
827 int modify_lun_expected;
828 atomic_t tgt_global_resets_count;
829 struct list_head tgt_list_entry;
830};
831
832struct qla_tgt_sess_op {
833 struct scsi_qla_host *vha;
834 uint32_t chip_reset;
835 struct atio_from_isp atio;
836 struct work_struct work;
837 struct list_head cmd_list;
838 bool aborted;
839 struct rsp_que *rsp;
840};
841
842enum trace_flags {
843 TRC_NEW_CMD = BIT_0,
844 TRC_DO_WORK = BIT_1,
845 TRC_DO_WORK_ERR = BIT_2,
846 TRC_XFR_RDY = BIT_3,
847 TRC_XMIT_DATA = BIT_4,
848 TRC_XMIT_STATUS = BIT_5,
849 TRC_SRR_RSP = BIT_6,
850 TRC_SRR_XRDY = BIT_7,
851 TRC_SRR_TERM = BIT_8,
852 TRC_SRR_CTIO = BIT_9,
853 TRC_FLUSH = BIT_10,
854 TRC_CTIO_ERR = BIT_11,
855 TRC_CTIO_DONE = BIT_12,
856 TRC_CTIO_ABORTED = BIT_13,
857 TRC_CTIO_STRANGE = BIT_14,
858 TRC_CMD_DONE = BIT_15,
859 TRC_CMD_CHK_STOP = BIT_16,
860 TRC_CMD_FREE = BIT_17,
861 TRC_DATA_IN = BIT_18,
862 TRC_ABORT = BIT_19,
863 TRC_DIF_ERR = BIT_20,
864};
865
866struct qla_tgt_cmd {
867
868
869
870 uint8_t cmd_type;
871 uint8_t pad[7];
872 struct se_cmd se_cmd;
873 struct list_head sess_cmd_list;
874 struct fc_port *sess;
875 struct qla_qpair *qpair;
876 uint32_t reset_count;
877 int state;
878 struct work_struct work;
879
880 unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER];
881
882 spinlock_t cmd_lock;
883
884 unsigned int conf_compl_supported:1;
885 unsigned int sg_mapped:1;
886 unsigned int free_sg:1;
887 unsigned int write_data_transferred:1;
888 unsigned int q_full:1;
889 unsigned int term_exchg:1;
890 unsigned int cmd_sent_to_fw:1;
891 unsigned int cmd_in_wq:1;
892 unsigned int edif:1;
893
894
895
896
897
898
899
900 unsigned int aborted;
901
902 struct scatterlist *sg;
903 int sg_cnt;
904 int bufflen;
905 int offset;
906 u64 unpacked_lun;
907 enum dma_data_direction dma_data_direction;
908
909 uint16_t ctio_flags;
910 uint16_t vp_idx;
911 uint16_t loop_id;
912 struct qla_tgt *tgt;
913 struct scsi_qla_host *vha;
914 struct list_head cmd_list;
915
916 struct atio_from_isp atio;
917
918 uint8_t ctx_dsd_alloced;
919
920
921#define DIF_ERR_NONE 0
922#define DIF_ERR_GRD 1
923#define DIF_ERR_REF 2
924#define DIF_ERR_APP 3
925 int8_t dif_err_code;
926 struct scatterlist *prot_sg;
927 uint32_t prot_sg_cnt;
928 uint32_t blk_sz, num_blks;
929 uint8_t scsi_status, sense_key, asc, ascq;
930
931 struct crc_context *ctx;
932 const uint8_t *cdb;
933 uint64_t lba;
934 uint16_t a_guard, e_guard, a_app_tag, e_app_tag;
935 uint32_t a_ref_tag, e_ref_tag;
936#define DIF_BUNDL_DMA_VALID 1
937 uint16_t prot_flags;
938
939 uint64_t jiffies_at_alloc;
940 uint64_t jiffies_at_free;
941
942 enum trace_flags trc_flags;
943};
944
945struct qla_tgt_sess_work_param {
946 struct list_head sess_works_list_entry;
947
948#define QLA_TGT_SESS_WORK_ABORT 1
949#define QLA_TGT_SESS_WORK_TM 2
950 int type;
951
952 union {
953 struct abts_recv_from_24xx abts;
954 struct imm_ntfy_from_isp tm_iocb;
955 struct atio_from_isp tm_iocb2;
956 };
957};
958
959struct qla_tgt_mgmt_cmd {
960 uint8_t cmd_type;
961 uint8_t pad[3];
962 uint16_t tmr_func;
963 uint8_t fc_tm_rsp;
964 uint8_t abort_io_attr;
965 struct fc_port *sess;
966 struct qla_qpair *qpair;
967 struct scsi_qla_host *vha;
968 struct se_cmd se_cmd;
969 struct work_struct free_work;
970 unsigned int flags;
971#define QLA24XX_MGMT_SEND_NACK BIT_0
972#define QLA24XX_MGMT_ABORT_IO_ATTR_VALID BIT_1
973 uint32_t reset_count;
974 struct work_struct work;
975 uint64_t unpacked_lun;
976 union {
977 struct atio_from_isp atio;
978 struct imm_ntfy_from_isp imm_ntfy;
979 struct abts_recv_from_24xx abts;
980 } __packed orig_iocb;
981};
982
983struct qla_tgt_prm {
984 struct qla_tgt_cmd *cmd;
985 struct qla_tgt *tgt;
986 void *pkt;
987 struct scatterlist *sg;
988 unsigned char *sense_buffer;
989 int seg_cnt;
990 int req_cnt;
991 uint16_t rq_result;
992 int sense_buffer_len;
993 int residual;
994 int add_status_pkt;
995
996 struct scatterlist *prot_sg;
997 uint16_t prot_seg_cnt;
998 uint16_t tot_dsds;
999};
1000
1001
1002#define IS_SW_RESV_ADDR(_s_id) \
1003 ((_s_id.b.domain == 0xff) && ((_s_id.b.area & 0xf0) == 0xf0))
1004
1005#define QLA_TGT_XMIT_DATA 1
1006#define QLA_TGT_XMIT_STATUS 2
1007#define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA)
1008
1009
1010extern struct qla_tgt_data qla_target;
1011
1012
1013
1014
1015extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *);
1016extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *);
1017extern int qlt_lport_register(void *, u64, u64, u64,
1018 int (*callback)(struct scsi_qla_host *, void *, u64, u64));
1019extern void qlt_lport_deregister(struct scsi_qla_host *);
1020extern void qlt_unreg_sess(struct fc_port *);
1021extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *);
1022extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int);
1023extern int __init qlt_init(void);
1024extern void qlt_exit(void);
1025extern void qlt_update_vp_map(struct scsi_qla_host *, int);
1026extern void qlt_free_session_done(struct work_struct *);
1027
1028
1029
1030
1031#define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED)
1032
1033extern int ql2x_ini_mode;
1034
1035static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha)
1036{
1037 return ha->host->active_mode == MODE_TARGET;
1038}
1039
1040static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha)
1041{
1042 return ha->host->active_mode == MODE_INITIATOR;
1043}
1044
1045static inline bool qla_dual_mode_enabled(struct scsi_qla_host *ha)
1046{
1047 return (ha->host->active_mode == MODE_DUAL);
1048}
1049
1050static inline uint32_t sid_to_key(const be_id_t s_id)
1051{
1052 return s_id.domain << 16 |
1053 s_id.area << 8 |
1054 s_id.al_pa;
1055}
1056
1057
1058
1059
1060extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, struct rsp_que *,
1061 response_t *);
1062extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *);
1063extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t);
1064extern int qlt_abort_cmd(struct qla_tgt_cmd *);
1065extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *);
1066extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *);
1067extern void qlt_free_cmd(struct qla_tgt_cmd *cmd);
1068extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *);
1069extern void qlt_enable_vha(struct scsi_qla_host *);
1070extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *);
1071extern u8 qlt_rff_id(struct scsi_qla_host *);
1072extern void qlt_init_atio_q_entries(struct scsi_qla_host *);
1073extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t);
1074extern void qlt_24xx_config_rings(struct scsi_qla_host *);
1075extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *,
1076 struct nvram_24xx *);
1077extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *,
1078 struct init_cb_24xx *);
1079extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *,
1080 struct init_cb_81xx *);
1081extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *,
1082 struct nvram_81xx *);
1083extern int qlt_24xx_process_response_error(struct scsi_qla_host *,
1084 struct sts_entry_24xx *);
1085extern void qlt_modify_vp_config(struct scsi_qla_host *,
1086 struct vp_config_entry_24xx *);
1087extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *);
1088extern int qlt_mem_alloc(struct qla_hw_data *);
1089extern void qlt_mem_free(struct qla_hw_data *);
1090extern int qlt_stop_phase1(struct qla_tgt *);
1091extern void qlt_stop_phase2(struct qla_tgt *);
1092extern irqreturn_t qla83xx_msix_atio_q(int, void *);
1093extern void qlt_83xx_iospace_config(struct qla_hw_data *);
1094extern int qlt_free_qfull_cmds(struct qla_qpair *);
1095extern void qlt_logo_completion_handler(fc_port_t *, int);
1096extern void qlt_do_generation_tick(struct scsi_qla_host *, int *);
1097
1098void qlt_send_resp_ctio(struct qla_qpair *, struct qla_tgt_cmd *, uint8_t,
1099 uint8_t, uint8_t, uint8_t);
1100
1101#endif
1102
