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_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 /* Accept target I/O entry. */ |
194 | #endif |
195 | |
196 | #ifndef CONTINUE_TGT_IO_TYPE |
197 | #define CONTINUE_TGT_IO_TYPE 0x17 |
198 | /* |
199 | * ISP queue - Continue Target I/O (CTIO) entry for status mode 0 structure. |
200 | * This structure is sent to the ISP 2xxx from target driver. |
201 | */ |
202 | struct ctio_to_2xxx { |
203 | uint8_t entry_type; /* Entry type. */ |
204 | uint8_t entry_count; /* Entry count. */ |
205 | uint8_t sys_define; /* System defined. */ |
206 | uint8_t entry_status; /* Entry Status. */ |
207 | uint32_t handle; /* System defined handle */ |
208 | target_id_t target; |
209 | __le16 rx_id; |
210 | __le16 flags; |
211 | __le16 status; |
212 | __le16 timeout; /* 0 = 30 seconds, 0xFFFF = disable */ |
213 | __le16 dseg_count; /* Data segment 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 /* DIF error detected */ |
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 /* CTIO return entry */ |
250 | #define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */ |
251 | #endif |
252 | |
253 | struct 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 | |
268 | struct 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 | |
293 | struct 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 | * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4 |
310 | * only to make sizeof(struct atio7_fcp_cmnd) be as expected by |
311 | * BUILD_BUG_ON in qlt_init(). |
312 | */ |
313 | uint8_t add_cdb[4]; |
314 | /* __le32 data_length; */ |
315 | } __packed; |
316 | |
317 | /* |
318 | * ISP queue - Accept Target I/O (ATIO) type entry IOCB structure. |
319 | * This is sent from the ISP to the target driver. |
320 | */ |
321 | struct atio_from_isp { |
322 | union { |
323 | struct { |
324 | __le16 entry_hdr; |
325 | uint8_t sys_define; /* System defined. */ |
326 | uint8_t entry_status; /* Entry Status. */ |
327 | __le32 sys_define_2; /* System defined. */ |
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]; /* on qla23xx */ |
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; /* Entry type. */ |
355 | uint8_t entry_count; /* 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 /* Signature */ |
362 | } raw; |
363 | } u; |
364 | } __packed; |
365 | |
366 | static 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 | /* adjust corrupted atio so we won't trip over the same entry again. */ |
377 | static 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 | |
383 | static 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(p: &atio->u.isp24.fcp_cmnd.add_cdb[len * 4]); |
388 | } |
389 | |
390 | #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */ |
391 | |
392 | /* |
393 | * ISP queue - Continue Target I/O (ATIO) type 7 entry (for 24xx) structure. |
394 | * This structure is sent to the ISP 24xx from the target driver. |
395 | */ |
396 | |
397 | struct ctio7_to_24xx { |
398 | uint8_t entry_type; /* Entry type. */ |
399 | uint8_t entry_count; /* Entry count. */ |
400 | uint8_t sys_define; /* System defined. */ |
401 | uint8_t entry_status; /* Entry Status. */ |
402 | uint32_t handle; /* System defined handle */ |
403 | __le16 nport_handle; |
404 | #define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF |
405 | __le16 timeout; |
406 | __le16 dseg_count; /* Data segment 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 | * ISP queue - CTIO type 7 from ISP 24xx to target driver |
449 | * returned entry structure. |
450 | */ |
451 | struct ctio7_from_24xx { |
452 | uint8_t entry_type; /* Entry type. */ |
453 | uint8_t entry_count; /* Entry count. */ |
454 | uint8_t sys_define; /* System defined. */ |
455 | uint8_t entry_status; /* Entry Status. */ |
456 | uint32_t handle; /* System defined handle */ |
457 | __le16 status; |
458 | __le16 timeout; |
459 | __le16 dseg_count; /* Data segment 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 | /* CTIO7 flags values */ |
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 /* data to initiator */ |
484 | #define CTIO7_FLAGS_DATA_OUT BIT_0 /* data from initiator */ |
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 | *CTIO Type CRC_2 IOCB |
497 | */ |
498 | struct ctio_crc2_to_fw { |
499 | uint8_t entry_type; /* Entry type. */ |
500 | #define CTIO_CRC2 0x7A |
501 | uint8_t entry_count; /* Entry count. */ |
502 | uint8_t sys_define; /* System defined. */ |
503 | uint8_t entry_status; /* Entry Status. */ |
504 | |
505 | uint32_t handle; /* System handle. */ |
506 | __le16 nport_handle; /* N_PORT handle. */ |
507 | __le16 timeout; /* Command timeout. */ |
508 | |
509 | __le16 dseg_count; /* Data segment count. */ |
510 | uint8_t vp_index; |
511 | uint8_t add_flags; /* additional flags */ |
512 | #define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3 |
513 | |
514 | le_id_t initiator_id; /* initiator ID */ |
515 | uint8_t reserved1; |
516 | __le32 exchange_addr; /* rcv exchange address */ |
517 | __le16 reserved2; |
518 | __le16 flags; /* refer to CTIO7 flags values */ |
519 | __le32 residual; |
520 | __le16 ox_id; |
521 | __le16 scsi_status; |
522 | __le32 relative_offset; |
523 | __le32 reserved5; |
524 | __le32 transfer_length; /* total fc transfer length */ |
525 | __le32 reserved6; |
526 | __le64 crc_context_address __packed; /* Data segment address. */ |
527 | __le16 crc_context_len; /* Data segment length. */ |
528 | __le16 reserved_1; /* MUST be set to 0. */ |
529 | }; |
530 | |
531 | /* CTIO Type CRC_x Status IOCB */ |
532 | struct ctio_crc_from_fw { |
533 | uint8_t entry_type; /* Entry type. */ |
534 | uint8_t entry_count; /* Entry count. */ |
535 | uint8_t sys_define; /* System defined. */ |
536 | uint8_t entry_status; /* Entry Status. */ |
537 | |
538 | uint32_t handle; /* System handle. */ |
539 | __le16 status; |
540 | __le16 timeout; /* Command timeout. */ |
541 | __le16 dseg_count; /* Data segment count. */ |
542 | __le32 reserved1; |
543 | __le16 state_flags; |
544 | #define CTIO_CRC_SF_DIF_CHOPPED BIT_4 |
545 | |
546 | __le32 exchange_address; /* rcv 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; /* reported runt blk guard */ |
553 | uint8_t actual_dif[8]; |
554 | uint8_t expected_dif[8]; |
555 | } __packed; |
556 | |
557 | /* |
558 | * ISP queue - ABTS received/response entries structure definition for 24xx. |
559 | */ |
560 | #define ABTS_RECV_24XX 0x54 /* ABTS received (for 24xx) */ |
561 | #define ABTS_RESP_24XX 0x55 /* ABTS responce (for 24xx) */ |
562 | |
563 | /* |
564 | * ISP queue - ABTS received IOCB entry structure definition for 24xx. |
565 | * The ABTS BLS received from the wire is sent to the |
566 | * target driver by the ISP 24xx. |
567 | * The IOCB is placed on the response queue. |
568 | */ |
569 | struct abts_recv_from_24xx { |
570 | uint8_t entry_type; /* Entry type. */ |
571 | uint8_t entry_count; /* Entry count. */ |
572 | uint8_t sys_define; /* System defined. */ |
573 | uint8_t entry_status; /* 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 | |
588 | struct 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 | |
600 | struct 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 | * ISP queue - ABTS Response IOCB entry structure definition for 24xx. |
611 | * The ABTS response to the ABTS received is sent by the |
612 | * target driver to the ISP 24xx. |
613 | * The IOCB is placed on the request queue. |
614 | */ |
615 | struct abts_resp_to_24xx { |
616 | uint8_t entry_type; /* Entry type. */ |
617 | uint8_t entry_count; /* Entry count. */ |
618 | uint8_t sys_define; /* System defined. */ |
619 | uint8_t entry_status; /* 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 | * ISP queue - ABTS Response IOCB from ISP24xx Firmware entry structure. |
640 | * The ABTS response with completion status to the ABTS response |
641 | * (sent by the target driver to the ISP 24xx) is sent by the |
642 | * ISP24xx firmware to the target driver. |
643 | * The IOCB is placed on the response queue. |
644 | */ |
645 | struct abts_resp_from_24xx_fw { |
646 | uint8_t entry_type; /* Entry type. */ |
647 | uint8_t entry_count; /* Entry count. */ |
648 | uint8_t sys_define; /* System defined. */ |
649 | uint8_t entry_status; /* 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 | * Type Definitions used by initiator & target halves |
670 | \********************************************************************/ |
671 | |
672 | struct qla_tgt_mgmt_cmd; |
673 | struct fc_port; |
674 | struct qla_tgt_cmd; |
675 | |
676 | /* |
677 | * This structure provides a template of function calls that the |
678 | * target driver (from within qla_target.c) can issue to the |
679 | * target module (tcm_qla2xxx). |
680 | */ |
681 | struct 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 | |
710 | int qla2x00_wait_for_hba_online(struct scsi_qla_host *); |
711 | |
712 | #include <target/target_core_base.h> |
713 | |
714 | #define QLA_TGT_TIMEOUT 10 /* in seconds */ |
715 | |
716 | #define QLA_TGT_MAX_HW_PENDING_TIME 60 /* in seconds */ |
717 | |
718 | /* Immediate notify status constants */ |
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 | /* Immediate notify task flags */ |
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 | /* Notify Acknowledge flags */ |
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 | /* Command's states */ |
753 | #define QLA_TGT_STATE_NEW 0 /* New command + target processing */ |
754 | #define QLA_TGT_STATE_NEED_DATA 1 /* target needs data to continue */ |
755 | #define QLA_TGT_STATE_DATA_IN 2 /* Data arrived + target processing */ |
756 | #define QLA_TGT_STATE_PROCESSED 3 /* target done processing */ |
757 | |
758 | /* ATIO task_codes field */ |
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 | /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */ |
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 | |
776 | struct qla_port_24xx_data { |
777 | uint8_t port_name[WWN_SIZE]; |
778 | uint16_t loop_id; |
779 | uint16_t reserved; |
780 | }; |
781 | |
782 | struct qla_qpair_hint { |
783 | struct list_head hint_elem; |
784 | struct qla_qpair *qpair; |
785 | u16 cpuid; |
786 | uint8_t cmd_cnt; |
787 | }; |
788 | |
789 | struct 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 | * To sync between IRQ handlers and qlt_target_release(). Needed, |
796 | * because req_pkt() can drop/reaquire HW lock inside. Protected by |
797 | * HW lock. |
798 | */ |
799 | int atio_irq_cmd_count; |
800 | |
801 | int sg_tablesize; |
802 | |
803 | /* Target's flags, serialized by pha->hardware_lock */ |
804 | unsigned int link_reinit_iocb_pending:1; |
805 | |
806 | /* |
807 | * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex |
808 | * OR hardware_lock for reading. |
809 | */ |
810 | int tgt_stop; /* the target mode driver is being stopped */ |
811 | int tgt_stopped; /* the target mode driver has been stopped */ |
812 | |
813 | /* Count of sessions refering qla_tgt. Protected by hardware_lock. */ |
814 | int sess_count; |
815 | |
816 | spinlock_t sess_work_lock; |
817 | struct list_head sess_works_list; |
818 | struct work_struct sess_work; |
819 | |
820 | struct imm_ntfy_from_isp link_reinit_iocb; |
821 | wait_queue_head_t waitQ; |
822 | int notify_ack_expected; |
823 | int abts_resp_expected; |
824 | int modify_lun_expected; |
825 | atomic_t tgt_global_resets_count; |
826 | struct list_head tgt_list_entry; |
827 | }; |
828 | |
829 | struct qla_tgt_sess_op { |
830 | struct scsi_qla_host *vha; |
831 | uint32_t chip_reset; |
832 | struct atio_from_isp atio; |
833 | struct work_struct work; |
834 | struct list_head cmd_list; |
835 | bool aborted; |
836 | struct rsp_que *rsp; |
837 | }; |
838 | |
839 | enum trace_flags { |
840 | TRC_NEW_CMD = BIT_0, |
841 | TRC_DO_WORK = BIT_1, |
842 | TRC_DO_WORK_ERR = BIT_2, |
843 | TRC_XFR_RDY = BIT_3, |
844 | TRC_XMIT_DATA = BIT_4, |
845 | TRC_XMIT_STATUS = BIT_5, |
846 | TRC_SRR_RSP = BIT_6, |
847 | TRC_SRR_XRDY = BIT_7, |
848 | TRC_SRR_TERM = BIT_8, |
849 | TRC_SRR_CTIO = BIT_9, |
850 | TRC_FLUSH = BIT_10, |
851 | TRC_CTIO_ERR = BIT_11, |
852 | TRC_CTIO_DONE = BIT_12, |
853 | TRC_CTIO_ABORTED = BIT_13, |
854 | TRC_CTIO_STRANGE = BIT_14, |
855 | TRC_CMD_DONE = BIT_15, |
856 | TRC_CMD_CHK_STOP = BIT_16, |
857 | TRC_CMD_FREE = BIT_17, |
858 | TRC_DATA_IN = BIT_18, |
859 | TRC_ABORT = BIT_19, |
860 | TRC_DIF_ERR = BIT_20, |
861 | }; |
862 | |
863 | struct qla_tgt_cmd { |
864 | /* |
865 | * Do not move cmd_type field. it needs to line up with srb->cmd_type |
866 | */ |
867 | uint8_t cmd_type; |
868 | uint8_t pad[7]; |
869 | struct se_cmd se_cmd; |
870 | struct list_head sess_cmd_list; |
871 | struct fc_port *sess; |
872 | struct qla_qpair *qpair; |
873 | uint32_t reset_count; |
874 | int state; |
875 | struct work_struct work; |
876 | /* Sense buffer that will be mapped into outgoing status */ |
877 | unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER]; |
878 | |
879 | spinlock_t cmd_lock; |
880 | /* to save extra sess dereferences */ |
881 | unsigned int conf_compl_supported:1; |
882 | unsigned int sg_mapped:1; |
883 | unsigned int write_data_transferred:1; |
884 | unsigned int q_full:1; |
885 | unsigned int term_exchg:1; |
886 | unsigned int cmd_sent_to_fw:1; |
887 | unsigned int cmd_in_wq:1; |
888 | unsigned int edif:1; |
889 | |
890 | /* |
891 | * This variable may be set from outside the LIO and I/O completion |
892 | * callback functions. Do not declare this member variable as a |
893 | * bitfield to avoid a read-modify-write operation when this variable |
894 | * is set. |
895 | */ |
896 | unsigned int aborted; |
897 | |
898 | struct scatterlist *sg; /* cmd data buffer SG vector */ |
899 | int sg_cnt; /* SG segments count */ |
900 | int bufflen; /* cmd buffer length */ |
901 | int offset; |
902 | u64 unpacked_lun; |
903 | enum dma_data_direction dma_data_direction; |
904 | |
905 | uint16_t ctio_flags; |
906 | uint16_t vp_idx; |
907 | uint16_t loop_id; /* to save extra sess dereferences */ |
908 | struct qla_tgt *tgt; /* to save extra sess dereferences */ |
909 | struct scsi_qla_host *vha; |
910 | struct list_head cmd_list; |
911 | |
912 | struct atio_from_isp atio; |
913 | |
914 | uint8_t ctx_dsd_alloced; |
915 | |
916 | /* T10-DIF */ |
917 | #define DIF_ERR_NONE 0 |
918 | #define DIF_ERR_GRD 1 |
919 | #define DIF_ERR_REF 2 |
920 | #define DIF_ERR_APP 3 |
921 | int8_t dif_err_code; |
922 | struct scatterlist *prot_sg; |
923 | uint32_t prot_sg_cnt; |
924 | uint32_t blk_sz, num_blks; |
925 | uint8_t scsi_status, sense_key, asc, ascq; |
926 | |
927 | struct crc_context *ctx; |
928 | const uint8_t *cdb; |
929 | uint64_t lba; |
930 | uint16_t a_guard, e_guard, a_app_tag, e_app_tag; |
931 | uint32_t a_ref_tag, e_ref_tag; |
932 | #define DIF_BUNDL_DMA_VALID 1 |
933 | uint16_t prot_flags; |
934 | |
935 | uint64_t jiffies_at_alloc; |
936 | uint64_t jiffies_at_free; |
937 | |
938 | enum trace_flags trc_flags; |
939 | }; |
940 | |
941 | struct qla_tgt_sess_work_param { |
942 | struct list_head sess_works_list_entry; |
943 | |
944 | #define QLA_TGT_SESS_WORK_ABORT 1 |
945 | int type; |
946 | |
947 | union { |
948 | struct abts_recv_from_24xx abts; |
949 | struct imm_ntfy_from_isp tm_iocb; |
950 | struct atio_from_isp tm_iocb2; |
951 | }; |
952 | }; |
953 | |
954 | struct qla_tgt_mgmt_cmd { |
955 | uint8_t cmd_type; |
956 | uint8_t pad[3]; |
957 | uint16_t tmr_func; |
958 | uint8_t fc_tm_rsp; |
959 | uint8_t abort_io_attr; |
960 | struct fc_port *sess; |
961 | struct qla_qpair *qpair; |
962 | struct scsi_qla_host *vha; |
963 | struct se_cmd se_cmd; |
964 | struct work_struct free_work; |
965 | unsigned int flags; |
966 | #define QLA24XX_MGMT_SEND_NACK BIT_0 |
967 | #define QLA24XX_MGMT_ABORT_IO_ATTR_VALID BIT_1 |
968 | uint32_t reset_count; |
969 | struct work_struct work; |
970 | uint64_t unpacked_lun; |
971 | union { |
972 | struct atio_from_isp atio; |
973 | struct imm_ntfy_from_isp imm_ntfy; |
974 | struct abts_recv_from_24xx abts; |
975 | } __packed orig_iocb; |
976 | }; |
977 | |
978 | struct qla_tgt_prm { |
979 | struct qla_tgt_cmd *cmd; |
980 | struct qla_tgt *tgt; |
981 | void *pkt; |
982 | struct scatterlist *sg; /* cmd data buffer SG vector */ |
983 | unsigned char *sense_buffer; |
984 | int seg_cnt; |
985 | int req_cnt; |
986 | uint16_t rq_result; |
987 | int sense_buffer_len; |
988 | int residual; |
989 | int add_status_pkt; |
990 | /* dif */ |
991 | struct scatterlist *prot_sg; |
992 | uint16_t prot_seg_cnt; |
993 | uint16_t tot_dsds; |
994 | }; |
995 | |
996 | /* Check for Switch reserved address */ |
997 | #define IS_SW_RESV_ADDR(_s_id) \ |
998 | ((_s_id.b.domain == 0xff) && ((_s_id.b.area & 0xf0) == 0xf0)) |
999 | |
1000 | #define QLA_TGT_XMIT_DATA 1 |
1001 | #define QLA_TGT_XMIT_STATUS 2 |
1002 | #define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA) |
1003 | |
1004 | |
1005 | extern struct qla_tgt_data qla_target; |
1006 | |
1007 | /* |
1008 | * Function prototypes for qla_target.c logic used by qla2xxx LLD code. |
1009 | */ |
1010 | extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *); |
1011 | extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *); |
1012 | extern int qlt_lport_register(void *, u64, u64, u64, |
1013 | int (*callback)(struct scsi_qla_host *, void *, u64, u64)); |
1014 | extern void qlt_lport_deregister(struct scsi_qla_host *); |
1015 | extern void qlt_unreg_sess(struct fc_port *); |
1016 | extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *); |
1017 | extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int); |
1018 | extern int __init qlt_init(void); |
1019 | extern void qlt_exit(void); |
1020 | extern void qlt_free_session_done(struct work_struct *); |
1021 | /* |
1022 | * This macro is used during early initializations when host->active_mode |
1023 | * is not set. Right now, ha value is ignored. |
1024 | */ |
1025 | #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED) |
1026 | |
1027 | extern int ql2x_ini_mode; |
1028 | |
1029 | static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha) |
1030 | { |
1031 | return ha->host->active_mode == MODE_TARGET; |
1032 | } |
1033 | |
1034 | static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha) |
1035 | { |
1036 | return ha->host->active_mode == MODE_INITIATOR; |
1037 | } |
1038 | |
1039 | static inline bool qla_dual_mode_enabled(struct scsi_qla_host *ha) |
1040 | { |
1041 | return (ha->host->active_mode == MODE_DUAL); |
1042 | } |
1043 | |
1044 | static inline uint32_t sid_to_key(const be_id_t s_id) |
1045 | { |
1046 | return s_id.domain << 16 | |
1047 | s_id.area << 8 | |
1048 | s_id.al_pa; |
1049 | } |
1050 | |
1051 | /* |
1052 | * Exported symbols from qla_target.c LLD logic used by qla2xxx code.. |
1053 | */ |
1054 | extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, struct rsp_que *, |
1055 | response_t *); |
1056 | extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *); |
1057 | extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t); |
1058 | extern int qlt_abort_cmd(struct qla_tgt_cmd *); |
1059 | extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *); |
1060 | extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *); |
1061 | extern void qlt_free_cmd(struct qla_tgt_cmd *cmd); |
1062 | extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *); |
1063 | extern void qlt_enable_vha(struct scsi_qla_host *); |
1064 | extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *); |
1065 | extern u8 qlt_rff_id(struct scsi_qla_host *); |
1066 | extern void qlt_init_atio_q_entries(struct scsi_qla_host *); |
1067 | extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t); |
1068 | extern void qlt_24xx_config_rings(struct scsi_qla_host *); |
1069 | extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *, |
1070 | struct nvram_24xx *); |
1071 | extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *, |
1072 | struct init_cb_24xx *); |
1073 | extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *, |
1074 | struct init_cb_81xx *); |
1075 | extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *, |
1076 | struct nvram_81xx *); |
1077 | extern void qlt_modify_vp_config(struct scsi_qla_host *, |
1078 | struct vp_config_entry_24xx *); |
1079 | extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *); |
1080 | extern int qlt_mem_alloc(struct qla_hw_data *); |
1081 | extern void qlt_mem_free(struct qla_hw_data *); |
1082 | extern int qlt_stop_phase1(struct qla_tgt *); |
1083 | extern void qlt_stop_phase2(struct qla_tgt *); |
1084 | extern irqreturn_t qla83xx_msix_atio_q(int, void *); |
1085 | extern void qlt_83xx_iospace_config(struct qla_hw_data *); |
1086 | extern int qlt_free_qfull_cmds(struct qla_qpair *); |
1087 | extern void qlt_logo_completion_handler(fc_port_t *, int); |
1088 | extern void qlt_do_generation_tick(struct scsi_qla_host *, int *); |
1089 | |
1090 | void qlt_send_resp_ctio(struct qla_qpair *, struct qla_tgt_cmd *, uint8_t, |
1091 | uint8_t, uint8_t, uint8_t); |
1092 | |
1093 | #endif /* __QLA_TARGET_H */ |
1094 | |