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1 | /* |
2 | * Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net> | |
3 | * Copyright (C) 2004 - 2005 Leonid Stoljar | |
4 | * Copyright (C) 2006 Nathaniel Clark <nate@misrule.us> | |
5 | * Copyright (C) 2007 - 2010 ID7 Ltd. | |
6 | * | |
7 | * Forward port and refactoring to modern qla2xxx and target/configfs | |
8 | * | |
9 | * Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org> | |
10 | * | |
11 | * Additional file for the target driver support. | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or | |
14 | * modify it under the terms of the GNU General Public License | |
15 | * as published by the Free Software Foundation; either version 2 | |
16 | * of the License, or (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | */ | |
23 | /* | |
24 | * This is the global def file that is useful for including from the | |
25 | * target portion. | |
26 | */ | |
27 | ||
28 | #ifndef __QLA_TARGET_H | |
29 | #define __QLA_TARGET_H | |
30 | ||
31 | #include "qla_def.h" | |
32 | ||
33 | /* | |
34 | * Must be changed on any change in any initiator visible interfaces or | |
35 | * data in the target add-on | |
36 | */ | |
37 | #define QLA2XXX_TARGET_MAGIC 269 | |
38 | ||
39 | /* | |
40 | * Must be changed on any change in any target visible interfaces or | |
41 | * data in the initiator | |
42 | */ | |
43 | #define QLA2XXX_INITIATOR_MAGIC 57222 | |
44 | ||
45 | #define QLA2XXX_INI_MODE_STR_EXCLUSIVE "exclusive" | |
46 | #define QLA2XXX_INI_MODE_STR_DISABLED "disabled" | |
47 | #define QLA2XXX_INI_MODE_STR_ENABLED "enabled" | |
48 | ||
49 | #define QLA2XXX_INI_MODE_EXCLUSIVE 0 | |
50 | #define QLA2XXX_INI_MODE_DISABLED 1 | |
51 | #define QLA2XXX_INI_MODE_ENABLED 2 | |
52 | ||
53 | #define QLA2XXX_COMMAND_COUNT_INIT 250 | |
54 | #define QLA2XXX_IMMED_NOTIFY_COUNT_INIT 250 | |
55 | ||
56 | /* | |
57 | * Used to mark which completion handles (for RIO Status's) are for CTIO's | |
58 | * vs. regular (non-target) info. This is checked for in | |
59 | * qla2x00_process_response_queue() to see if a handle coming back in a | |
60 | * multi-complete should come to the tgt driver or be handled there by qla2xxx | |
61 | */ | |
62 | #define CTIO_COMPLETION_HANDLE_MARK BIT_29 | |
63 | #if (CTIO_COMPLETION_HANDLE_MARK <= MAX_OUTSTANDING_COMMANDS) | |
64 | #error "CTIO_COMPLETION_HANDLE_MARK not larger than MAX_OUTSTANDING_COMMANDS" | |
65 | #endif | |
66 | #define HANDLE_IS_CTIO_COMP(h) (h & CTIO_COMPLETION_HANDLE_MARK) | |
67 | ||
68 | /* Used to mark CTIO as intermediate */ | |
69 | #define CTIO_INTERMEDIATE_HANDLE_MARK BIT_30 | |
70 | ||
71 | #ifndef OF_SS_MODE_0 | |
72 | /* | |
73 | * ISP target entries - Flags bit definitions. | |
74 | */ | |
75 | #define OF_SS_MODE_0 0 | |
76 | #define OF_SS_MODE_1 1 | |
77 | #define OF_SS_MODE_2 2 | |
78 | #define OF_SS_MODE_3 3 | |
79 | ||
80 | #define OF_EXPL_CONF BIT_5 /* Explicit Confirmation Requested */ | |
81 | #define OF_DATA_IN BIT_6 /* Data in to initiator */ | |
82 | /* (data from target to initiator) */ | |
83 | #define OF_DATA_OUT BIT_7 /* Data out from initiator */ | |
84 | /* (data from initiator to target) */ | |
85 | #define OF_NO_DATA (BIT_7 | BIT_6) | |
86 | #define OF_INC_RC BIT_8 /* Increment command resource count */ | |
87 | #define OF_FAST_POST BIT_9 /* Enable mailbox fast posting. */ | |
88 | #define OF_CONF_REQ BIT_13 /* Confirmation Requested */ | |
89 | #define OF_TERM_EXCH BIT_14 /* Terminate exchange */ | |
90 | #define OF_SSTS BIT_15 /* Send SCSI status */ | |
91 | #endif | |
92 | ||
93 | #ifndef QLA_TGT_DATASEGS_PER_CMD32 | |
94 | #define QLA_TGT_DATASEGS_PER_CMD32 3 | |
95 | #define QLA_TGT_DATASEGS_PER_CONT32 7 | |
96 | #define QLA_TGT_MAX_SG32(ql) \ | |
97 | (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD32 + \ | |
98 | QLA_TGT_DATASEGS_PER_CONT32*((ql) - 1)) : 0) | |
99 | ||
100 | #define QLA_TGT_DATASEGS_PER_CMD64 2 | |
101 | #define QLA_TGT_DATASEGS_PER_CONT64 5 | |
102 | #define QLA_TGT_MAX_SG64(ql) \ | |
103 | (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD64 + \ | |
104 | QLA_TGT_DATASEGS_PER_CONT64*((ql) - 1)) : 0) | |
105 | #endif | |
106 | ||
107 | #ifndef QLA_TGT_DATASEGS_PER_CMD_24XX | |
108 | #define QLA_TGT_DATASEGS_PER_CMD_24XX 1 | |
109 | #define QLA_TGT_DATASEGS_PER_CONT_24XX 5 | |
110 | #define QLA_TGT_MAX_SG_24XX(ql) \ | |
111 | (min(1270, ((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD_24XX + \ | |
112 | QLA_TGT_DATASEGS_PER_CONT_24XX*((ql) - 1)) : 0)) | |
113 | #endif | |
114 | #endif | |
115 | ||
116 | #define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha)) \ | |
117 | ? le16_to_cpu((iocb)->u.isp2x.target.extended) \ | |
118 | : (uint16_t)(iocb)->u.isp2x.target.id.standard) | |
119 | ||
120 | #ifndef IMMED_NOTIFY_TYPE | |
121 | #define IMMED_NOTIFY_TYPE 0x0D /* Immediate notify entry. */ | |
122 | /* | |
123 | * ISP queue - immediate notify entry structure definition. | |
124 | * This is sent by the ISP to the Target driver. | |
125 | * This IOCB would have report of events sent by the | |
126 | * initiator, that needs to be handled by the target | |
127 | * driver immediately. | |
128 | */ | |
129 | struct imm_ntfy_from_isp { | |
130 | uint8_t entry_type; /* Entry type. */ | |
131 | uint8_t entry_count; /* Entry count. */ | |
132 | uint8_t sys_define; /* System defined. */ | |
133 | uint8_t entry_status; /* Entry Status. */ | |
134 | union { | |
135 | struct { | |
136 | uint32_t sys_define_2; /* System defined. */ | |
137 | target_id_t target; | |
138 | uint16_t lun; | |
139 | uint8_t target_id; | |
140 | uint8_t reserved_1; | |
141 | uint16_t status_modifier; | |
142 | uint16_t status; | |
143 | uint16_t task_flags; | |
144 | uint16_t seq_id; | |
145 | uint16_t srr_rx_id; | |
146 | uint32_t srr_rel_offs; | |
147 | uint16_t srr_ui; | |
148 | #define SRR_IU_DATA_IN 0x1 | |
149 | #define SRR_IU_DATA_OUT 0x5 | |
150 | #define SRR_IU_STATUS 0x7 | |
151 | uint16_t srr_ox_id; | |
152 | uint8_t reserved_2[28]; | |
153 | } isp2x; | |
154 | struct { | |
155 | uint32_t reserved; | |
156 | uint16_t nport_handle; | |
157 | uint16_t reserved_2; | |
158 | uint16_t flags; | |
159 | #define NOTIFY24XX_FLAGS_GLOBAL_TPRLO BIT_1 | |
160 | #define NOTIFY24XX_FLAGS_PUREX_IOCB BIT_0 | |
161 | uint16_t srr_rx_id; | |
162 | uint16_t status; | |
163 | uint8_t status_subcode; | |
164 | uint8_t reserved_3; | |
165 | uint32_t exchange_address; | |
166 | uint32_t srr_rel_offs; | |
167 | uint16_t srr_ui; | |
168 | uint16_t srr_ox_id; | |
169 | uint8_t reserved_4[19]; | |
170 | uint8_t vp_index; | |
171 | uint32_t reserved_5; | |
172 | uint8_t port_id[3]; | |
173 | uint8_t reserved_6; | |
174 | } isp24; | |
175 | } u; | |
176 | uint16_t reserved_7; | |
177 | uint16_t ox_id; | |
178 | } __packed; | |
179 | #endif | |
180 | ||
181 | #ifndef NOTIFY_ACK_TYPE | |
182 | #define NOTIFY_ACK_TYPE 0x0E /* Notify acknowledge entry. */ | |
183 | /* | |
184 | * ISP queue - notify acknowledge entry structure definition. | |
185 | * This is sent to the ISP from the target driver. | |
186 | */ | |
187 | struct nack_to_isp { | |
188 | uint8_t entry_type; /* Entry type. */ | |
189 | uint8_t entry_count; /* Entry count. */ | |
190 | uint8_t sys_define; /* System defined. */ | |
191 | uint8_t entry_status; /* Entry Status. */ | |
192 | union { | |
193 | struct { | |
194 | uint32_t sys_define_2; /* System defined. */ | |
195 | target_id_t target; | |
196 | uint8_t target_id; | |
197 | uint8_t reserved_1; | |
198 | uint16_t flags; | |
199 | uint16_t resp_code; | |
200 | uint16_t status; | |
201 | uint16_t task_flags; | |
202 | uint16_t seq_id; | |
203 | uint16_t srr_rx_id; | |
204 | uint32_t srr_rel_offs; | |
205 | uint16_t srr_ui; | |
206 | uint16_t srr_flags; | |
207 | uint16_t srr_reject_code; | |
208 | uint8_t srr_reject_vendor_uniq; | |
209 | uint8_t srr_reject_code_expl; | |
210 | uint8_t reserved_2[24]; | |
211 | } isp2x; | |
212 | struct { | |
213 | uint32_t handle; | |
214 | uint16_t nport_handle; | |
215 | uint16_t reserved_1; | |
216 | uint16_t flags; | |
217 | uint16_t srr_rx_id; | |
218 | uint16_t status; | |
219 | uint8_t status_subcode; | |
220 | uint8_t reserved_3; | |
221 | uint32_t exchange_address; | |
222 | uint32_t srr_rel_offs; | |
223 | uint16_t srr_ui; | |
224 | uint16_t srr_flags; | |
225 | uint8_t reserved_4[19]; | |
226 | uint8_t vp_index; | |
227 | uint8_t srr_reject_vendor_uniq; | |
228 | uint8_t srr_reject_code_expl; | |
229 | uint8_t srr_reject_code; | |
230 | uint8_t reserved_5[5]; | |
231 | } isp24; | |
232 | } u; | |
233 | uint8_t reserved[2]; | |
234 | uint16_t ox_id; | |
235 | } __packed; | |
236 | #define NOTIFY_ACK_SRR_FLAGS_ACCEPT 0 | |
237 | #define NOTIFY_ACK_SRR_FLAGS_REJECT 1 | |
238 | ||
239 | #define NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM 0x9 | |
240 | ||
241 | #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL 0 | |
242 | #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_UNABLE_TO_SUPPLY_DATA 0x2a | |
243 | ||
244 | #define NOTIFY_ACK_SUCCESS 0x01 | |
245 | #endif | |
246 | ||
247 | #ifndef ACCEPT_TGT_IO_TYPE | |
248 | #define ACCEPT_TGT_IO_TYPE 0x16 /* Accept target I/O entry. */ | |
249 | #endif | |
250 | ||
251 | #ifndef CONTINUE_TGT_IO_TYPE | |
252 | #define CONTINUE_TGT_IO_TYPE 0x17 | |
253 | /* | |
254 | * ISP queue - Continue Target I/O (CTIO) entry for status mode 0 structure. | |
255 | * This structure is sent to the ISP 2xxx from target driver. | |
256 | */ | |
257 | struct ctio_to_2xxx { | |
258 | uint8_t entry_type; /* Entry type. */ | |
259 | uint8_t entry_count; /* Entry count. */ | |
260 | uint8_t sys_define; /* System defined. */ | |
261 | uint8_t entry_status; /* Entry Status. */ | |
262 | uint32_t handle; /* System defined handle */ | |
263 | target_id_t target; | |
264 | uint16_t rx_id; | |
265 | uint16_t flags; | |
266 | uint16_t status; | |
267 | uint16_t timeout; /* 0 = 30 seconds, 0xFFFF = disable */ | |
268 | uint16_t dseg_count; /* Data segment count. */ | |
269 | uint32_t relative_offset; | |
270 | uint32_t residual; | |
271 | uint16_t reserved_1[3]; | |
272 | uint16_t scsi_status; | |
273 | uint32_t transfer_length; | |
274 | uint32_t dseg_0_address; /* Data segment 0 address. */ | |
275 | uint32_t dseg_0_length; /* Data segment 0 length. */ | |
276 | uint32_t dseg_1_address; /* Data segment 1 address. */ | |
277 | uint32_t dseg_1_length; /* Data segment 1 length. */ | |
278 | uint32_t dseg_2_address; /* Data segment 2 address. */ | |
279 | uint32_t dseg_2_length; /* Data segment 2 length. */ | |
280 | } __packed; | |
281 | #define ATIO_PATH_INVALID 0x07 | |
282 | #define ATIO_CANT_PROV_CAP 0x16 | |
283 | #define ATIO_CDB_VALID 0x3D | |
284 | ||
285 | #define ATIO_EXEC_READ BIT_1 | |
286 | #define ATIO_EXEC_WRITE BIT_0 | |
287 | #endif | |
288 | ||
289 | #ifndef CTIO_A64_TYPE | |
290 | #define CTIO_A64_TYPE 0x1F | |
291 | #define CTIO_SUCCESS 0x01 | |
292 | #define CTIO_ABORTED 0x02 | |
293 | #define CTIO_INVALID_RX_ID 0x08 | |
294 | #define CTIO_TIMEOUT 0x0B | |
295 | #define CTIO_LIP_RESET 0x0E | |
296 | #define CTIO_TARGET_RESET 0x17 | |
297 | #define CTIO_PORT_UNAVAILABLE 0x28 | |
298 | #define CTIO_PORT_LOGGED_OUT 0x29 | |
299 | #define CTIO_PORT_CONF_CHANGED 0x2A | |
300 | #define CTIO_SRR_RECEIVED 0x45 | |
301 | #endif | |
302 | ||
303 | #ifndef CTIO_RET_TYPE | |
304 | #define CTIO_RET_TYPE 0x17 /* CTIO return entry */ | |
305 | #define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */ | |
306 | ||
307 | struct fcp_hdr { | |
308 | uint8_t r_ctl; | |
309 | uint8_t d_id[3]; | |
310 | uint8_t cs_ctl; | |
311 | uint8_t s_id[3]; | |
312 | uint8_t type; | |
313 | uint8_t f_ctl[3]; | |
314 | uint8_t seq_id; | |
315 | uint8_t df_ctl; | |
316 | uint16_t seq_cnt; | |
317 | uint16_t ox_id; | |
318 | uint16_t rx_id; | |
319 | uint32_t parameter; | |
320 | } __packed; | |
321 | ||
322 | struct fcp_hdr_le { | |
323 | uint8_t d_id[3]; | |
324 | uint8_t r_ctl; | |
325 | uint8_t s_id[3]; | |
326 | uint8_t cs_ctl; | |
327 | uint8_t f_ctl[3]; | |
328 | uint8_t type; | |
329 | uint16_t seq_cnt; | |
330 | uint8_t df_ctl; | |
331 | uint8_t seq_id; | |
332 | uint16_t rx_id; | |
333 | uint16_t ox_id; | |
334 | uint32_t parameter; | |
335 | } __packed; | |
336 | ||
337 | #define F_CTL_EXCH_CONTEXT_RESP BIT_23 | |
338 | #define F_CTL_SEQ_CONTEXT_RESIP BIT_22 | |
339 | #define F_CTL_LAST_SEQ BIT_20 | |
340 | #define F_CTL_END_SEQ BIT_19 | |
341 | #define F_CTL_SEQ_INITIATIVE BIT_16 | |
342 | ||
343 | #define R_CTL_BASIC_LINK_SERV 0x80 | |
344 | #define R_CTL_B_ACC 0x4 | |
345 | #define R_CTL_B_RJT 0x5 | |
346 | ||
347 | struct atio7_fcp_cmnd { | |
348 | uint64_t lun; | |
349 | uint8_t cmnd_ref; | |
350 | uint8_t task_attr:3; | |
351 | uint8_t reserved:5; | |
352 | uint8_t task_mgmt_flags; | |
353 | #define FCP_CMND_TASK_MGMT_CLEAR_ACA 6 | |
354 | #define FCP_CMND_TASK_MGMT_TARGET_RESET 5 | |
355 | #define FCP_CMND_TASK_MGMT_LU_RESET 4 | |
356 | #define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET 2 | |
357 | #define FCP_CMND_TASK_MGMT_ABORT_TASK_SET 1 | |
358 | uint8_t wrdata:1; | |
359 | uint8_t rddata:1; | |
360 | uint8_t add_cdb_len:6; | |
361 | uint8_t cdb[16]; | |
362 | /* | |
363 | * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4 | |
364 | * only to make sizeof(struct atio7_fcp_cmnd) be as expected by | |
365 | * BUILD_BUG_ON in qlt_init(). | |
366 | */ | |
367 | uint8_t add_cdb[4]; | |
368 | /* uint32_t data_length; */ | |
369 | } __packed; | |
370 | ||
371 | /* | |
372 | * ISP queue - Accept Target I/O (ATIO) type entry IOCB structure. | |
373 | * This is sent from the ISP to the target driver. | |
374 | */ | |
375 | struct atio_from_isp { | |
376 | union { | |
377 | struct { | |
378 | uint16_t entry_hdr; | |
379 | uint8_t sys_define; /* System defined. */ | |
380 | uint8_t entry_status; /* Entry Status. */ | |
381 | uint32_t sys_define_2; /* System defined. */ | |
382 | target_id_t target; | |
383 | uint16_t rx_id; | |
384 | uint16_t flags; | |
385 | uint16_t status; | |
386 | uint8_t command_ref; | |
387 | uint8_t task_codes; | |
388 | uint8_t task_flags; | |
389 | uint8_t execution_codes; | |
390 | uint8_t cdb[MAX_CMDSZ]; | |
391 | uint32_t data_length; | |
392 | uint16_t lun; | |
393 | uint8_t initiator_port_name[WWN_SIZE]; /* on qla23xx */ | |
394 | uint16_t reserved_32[6]; | |
395 | uint16_t ox_id; | |
396 | } isp2x; | |
397 | struct { | |
398 | uint16_t entry_hdr; | |
399 | uint8_t fcp_cmnd_len_low; | |
400 | uint8_t fcp_cmnd_len_high:4; | |
401 | uint8_t attr:4; | |
402 | uint32_t exchange_addr; | |
403 | #define ATIO_EXCHANGE_ADDRESS_UNKNOWN 0xFFFFFFFF | |
404 | struct fcp_hdr fcp_hdr; | |
405 | struct atio7_fcp_cmnd fcp_cmnd; | |
406 | } isp24; | |
407 | struct { | |
408 | uint8_t entry_type; /* Entry type. */ | |
409 | uint8_t entry_count; /* Entry count. */ | |
410 | uint8_t data[58]; | |
411 | uint32_t signature; | |
412 | #define ATIO_PROCESSED 0xDEADDEAD /* Signature */ | |
413 | } raw; | |
414 | } u; | |
415 | } __packed; | |
416 | ||
417 | #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */ | |
418 | ||
419 | /* | |
420 | * ISP queue - Continue Target I/O (ATIO) type 7 entry (for 24xx) structure. | |
421 | * This structure is sent to the ISP 24xx from the target driver. | |
422 | */ | |
423 | ||
424 | struct ctio7_to_24xx { | |
425 | uint8_t entry_type; /* Entry type. */ | |
426 | uint8_t entry_count; /* Entry count. */ | |
427 | uint8_t sys_define; /* System defined. */ | |
428 | uint8_t entry_status; /* Entry Status. */ | |
429 | uint32_t handle; /* System defined handle */ | |
430 | uint16_t nport_handle; | |
431 | #define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF | |
432 | uint16_t timeout; | |
433 | uint16_t dseg_count; /* Data segment count. */ | |
434 | uint8_t vp_index; | |
435 | uint8_t add_flags; | |
436 | uint8_t initiator_id[3]; | |
437 | uint8_t reserved; | |
438 | uint32_t exchange_addr; | |
439 | union { | |
440 | struct { | |
441 | uint16_t reserved1; | |
442 | uint16_t flags; | |
443 | uint32_t residual; | |
444 | uint16_t ox_id; | |
445 | uint16_t scsi_status; | |
446 | uint32_t relative_offset; | |
447 | uint32_t reserved2; | |
448 | uint32_t transfer_length; | |
449 | uint32_t reserved3; | |
450 | /* Data segment 0 address. */ | |
451 | uint32_t dseg_0_address[2]; | |
452 | /* Data segment 0 length. */ | |
453 | uint32_t dseg_0_length; | |
454 | } status0; | |
455 | struct { | |
456 | uint16_t sense_length; | |
457 | uint16_t flags; | |
458 | uint32_t residual; | |
459 | uint16_t ox_id; | |
460 | uint16_t scsi_status; | |
461 | uint16_t response_len; | |
462 | uint16_t reserved; | |
463 | uint8_t sense_data[24]; | |
464 | } status1; | |
465 | } u; | |
466 | } __packed; | |
467 | ||
468 | /* | |
469 | * ISP queue - CTIO type 7 from ISP 24xx to target driver | |
470 | * returned entry structure. | |
471 | */ | |
472 | struct ctio7_from_24xx { | |
473 | uint8_t entry_type; /* Entry type. */ | |
474 | uint8_t entry_count; /* Entry count. */ | |
475 | uint8_t sys_define; /* System defined. */ | |
476 | uint8_t entry_status; /* Entry Status. */ | |
477 | uint32_t handle; /* System defined handle */ | |
478 | uint16_t status; | |
479 | uint16_t timeout; | |
480 | uint16_t dseg_count; /* Data segment count. */ | |
481 | uint8_t vp_index; | |
482 | uint8_t reserved1[5]; | |
483 | uint32_t exchange_address; | |
484 | uint16_t reserved2; | |
485 | uint16_t flags; | |
486 | uint32_t residual; | |
487 | uint16_t ox_id; | |
488 | uint16_t reserved3; | |
489 | uint32_t relative_offset; | |
490 | uint8_t reserved4[24]; | |
491 | } __packed; | |
492 | ||
493 | /* CTIO7 flags values */ | |
494 | #define CTIO7_FLAGS_SEND_STATUS BIT_15 | |
495 | #define CTIO7_FLAGS_TERMINATE BIT_14 | |
496 | #define CTIO7_FLAGS_CONFORM_REQ BIT_13 | |
497 | #define CTIO7_FLAGS_DONT_RET_CTIO BIT_8 | |
498 | #define CTIO7_FLAGS_STATUS_MODE_0 0 | |
499 | #define CTIO7_FLAGS_STATUS_MODE_1 BIT_6 | |
500 | #define CTIO7_FLAGS_EXPLICIT_CONFORM BIT_5 | |
501 | #define CTIO7_FLAGS_CONFIRM_SATISF BIT_4 | |
502 | #define CTIO7_FLAGS_DSD_PTR BIT_2 | |
503 | #define CTIO7_FLAGS_DATA_IN BIT_1 | |
504 | #define CTIO7_FLAGS_DATA_OUT BIT_0 | |
505 | ||
506 | #define ELS_PLOGI 0x3 | |
507 | #define ELS_FLOGI 0x4 | |
508 | #define ELS_LOGO 0x5 | |
509 | #define ELS_PRLI 0x20 | |
510 | #define ELS_PRLO 0x21 | |
511 | #define ELS_TPRLO 0x24 | |
512 | #define ELS_PDISC 0x50 | |
513 | #define ELS_ADISC 0x52 | |
514 | ||
515 | /* | |
516 | * ISP queue - ABTS received/response entries structure definition for 24xx. | |
517 | */ | |
518 | #define ABTS_RECV_24XX 0x54 /* ABTS received (for 24xx) */ | |
519 | #define ABTS_RESP_24XX 0x55 /* ABTS responce (for 24xx) */ | |
520 | ||
521 | /* | |
522 | * ISP queue - ABTS received IOCB entry structure definition for 24xx. | |
523 | * The ABTS BLS received from the wire is sent to the | |
524 | * target driver by the ISP 24xx. | |
525 | * The IOCB is placed on the response queue. | |
526 | */ | |
527 | struct abts_recv_from_24xx { | |
528 | uint8_t entry_type; /* Entry type. */ | |
529 | uint8_t entry_count; /* Entry count. */ | |
530 | uint8_t sys_define; /* System defined. */ | |
531 | uint8_t entry_status; /* Entry Status. */ | |
532 | uint8_t reserved_1[6]; | |
533 | uint16_t nport_handle; | |
534 | uint8_t reserved_2[2]; | |
535 | uint8_t vp_index; | |
536 | uint8_t reserved_3:4; | |
537 | uint8_t sof_type:4; | |
538 | uint32_t exchange_address; | |
539 | struct fcp_hdr_le fcp_hdr_le; | |
540 | uint8_t reserved_4[16]; | |
541 | uint32_t exchange_addr_to_abort; | |
542 | } __packed; | |
543 | ||
544 | #define ABTS_PARAM_ABORT_SEQ BIT_0 | |
545 | ||
546 | struct ba_acc_le { | |
547 | uint16_t reserved; | |
548 | uint8_t seq_id_last; | |
549 | uint8_t seq_id_valid; | |
550 | #define SEQ_ID_VALID 0x80 | |
551 | #define SEQ_ID_INVALID 0x00 | |
552 | uint16_t rx_id; | |
553 | uint16_t ox_id; | |
554 | uint16_t high_seq_cnt; | |
555 | uint16_t low_seq_cnt; | |
556 | } __packed; | |
557 | ||
558 | struct ba_rjt_le { | |
559 | uint8_t vendor_uniq; | |
560 | uint8_t reason_expl; | |
561 | uint8_t reason_code; | |
562 | #define BA_RJT_REASON_CODE_INVALID_COMMAND 0x1 | |
563 | #define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM 0x9 | |
564 | uint8_t reserved; | |
565 | } __packed; | |
566 | ||
567 | /* | |
568 | * ISP queue - ABTS Response IOCB entry structure definition for 24xx. | |
569 | * The ABTS response to the ABTS received is sent by the | |
570 | * target driver to the ISP 24xx. | |
571 | * The IOCB is placed on the request queue. | |
572 | */ | |
573 | struct abts_resp_to_24xx { | |
574 | uint8_t entry_type; /* Entry type. */ | |
575 | uint8_t entry_count; /* Entry count. */ | |
576 | uint8_t sys_define; /* System defined. */ | |
577 | uint8_t entry_status; /* Entry Status. */ | |
578 | uint32_t handle; | |
579 | uint16_t reserved_1; | |
580 | uint16_t nport_handle; | |
581 | uint16_t control_flags; | |
582 | #define ABTS_CONTR_FLG_TERM_EXCHG BIT_0 | |
583 | uint8_t vp_index; | |
584 | uint8_t reserved_3:4; | |
585 | uint8_t sof_type:4; | |
586 | uint32_t exchange_address; | |
587 | struct fcp_hdr_le fcp_hdr_le; | |
588 | union { | |
589 | struct ba_acc_le ba_acct; | |
590 | struct ba_rjt_le ba_rjt; | |
591 | } __packed payload; | |
592 | uint32_t reserved_4; | |
593 | uint32_t exchange_addr_to_abort; | |
594 | } __packed; | |
595 | ||
596 | /* | |
597 | * ISP queue - ABTS Response IOCB from ISP24xx Firmware entry structure. | |
598 | * The ABTS response with completion status to the ABTS response | |
599 | * (sent by the target driver to the ISP 24xx) is sent by the | |
600 | * ISP24xx firmware to the target driver. | |
601 | * The IOCB is placed on the response queue. | |
602 | */ | |
603 | struct abts_resp_from_24xx_fw { | |
604 | uint8_t entry_type; /* Entry type. */ | |
605 | uint8_t entry_count; /* Entry count. */ | |
606 | uint8_t sys_define; /* System defined. */ | |
607 | uint8_t entry_status; /* Entry Status. */ | |
608 | uint32_t handle; | |
609 | uint16_t compl_status; | |
610 | #define ABTS_RESP_COMPL_SUCCESS 0 | |
611 | #define ABTS_RESP_COMPL_SUBCODE_ERROR 0x31 | |
612 | uint16_t nport_handle; | |
613 | uint16_t reserved_1; | |
614 | uint8_t reserved_2; | |
615 | uint8_t reserved_3:4; | |
616 | uint8_t sof_type:4; | |
617 | uint32_t exchange_address; | |
618 | struct fcp_hdr_le fcp_hdr_le; | |
619 | uint8_t reserved_4[8]; | |
620 | uint32_t error_subcode1; | |
621 | #define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM 0x1E | |
622 | uint32_t error_subcode2; | |
623 | uint32_t exchange_addr_to_abort; | |
624 | } __packed; | |
625 | ||
626 | /********************************************************************\ | |
627 | * Type Definitions used by initiator & target halves | |
628 | \********************************************************************/ | |
629 | ||
630 | struct qla_tgt_mgmt_cmd; | |
631 | struct qla_tgt_sess; | |
632 | ||
633 | /* | |
634 | * This structure provides a template of function calls that the | |
635 | * target driver (from within qla_target.c) can issue to the | |
636 | * target module (tcm_qla2xxx). | |
637 | */ | |
638 | struct qla_tgt_func_tmpl { | |
639 | ||
640 | int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *, | |
641 | unsigned char *, uint32_t, int, int, int); | |
43381ce8 | 642 | void (*handle_data)(struct qla_tgt_cmd *); |
2d70c103 NB |
643 | int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, uint32_t, uint8_t, |
644 | uint32_t); | |
645 | void (*free_cmd)(struct qla_tgt_cmd *); | |
646 | void (*free_mcmd)(struct qla_tgt_mgmt_cmd *); | |
647 | void (*free_session)(struct qla_tgt_sess *); | |
648 | ||
649 | int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *, | |
650 | void *, uint8_t *, uint16_t); | |
651 | struct qla_tgt_sess *(*find_sess_by_loop_id)(struct scsi_qla_host *, | |
652 | const uint16_t); | |
653 | struct qla_tgt_sess *(*find_sess_by_s_id)(struct scsi_qla_host *, | |
654 | const uint8_t *); | |
655 | void (*clear_nacl_from_fcport_map)(struct qla_tgt_sess *); | |
656 | void (*put_sess)(struct qla_tgt_sess *); | |
657 | void (*shutdown_sess)(struct qla_tgt_sess *); | |
658 | }; | |
659 | ||
660 | int qla2x00_wait_for_hba_online(struct scsi_qla_host *); | |
661 | ||
662 | #include <target/target_core_base.h> | |
663 | ||
664 | #define QLA_TGT_TIMEOUT 10 /* in seconds */ | |
665 | ||
666 | #define QLA_TGT_MAX_HW_PENDING_TIME 60 /* in seconds */ | |
667 | ||
668 | /* Immediate notify status constants */ | |
669 | #define IMM_NTFY_LIP_RESET 0x000E | |
670 | #define IMM_NTFY_LIP_LINK_REINIT 0x000F | |
671 | #define IMM_NTFY_IOCB_OVERFLOW 0x0016 | |
672 | #define IMM_NTFY_ABORT_TASK 0x0020 | |
673 | #define IMM_NTFY_PORT_LOGOUT 0x0029 | |
674 | #define IMM_NTFY_PORT_CONFIG 0x002A | |
675 | #define IMM_NTFY_GLBL_TPRLO 0x002D | |
676 | #define IMM_NTFY_GLBL_LOGO 0x002E | |
677 | #define IMM_NTFY_RESOURCE 0x0034 | |
678 | #define IMM_NTFY_MSG_RX 0x0036 | |
679 | #define IMM_NTFY_SRR 0x0045 | |
680 | #define IMM_NTFY_ELS 0x0046 | |
681 | ||
682 | /* Immediate notify task flags */ | |
683 | #define IMM_NTFY_TASK_MGMT_SHIFT 8 | |
684 | ||
685 | #define QLA_TGT_CLEAR_ACA 0x40 | |
686 | #define QLA_TGT_TARGET_RESET 0x20 | |
687 | #define QLA_TGT_LUN_RESET 0x10 | |
688 | #define QLA_TGT_CLEAR_TS 0x04 | |
689 | #define QLA_TGT_ABORT_TS 0x02 | |
690 | #define QLA_TGT_ABORT_ALL_SESS 0xFFFF | |
691 | #define QLA_TGT_ABORT_ALL 0xFFFE | |
692 | #define QLA_TGT_NEXUS_LOSS_SESS 0xFFFD | |
693 | #define QLA_TGT_NEXUS_LOSS 0xFFFC | |
694 | ||
695 | /* Notify Acknowledge flags */ | |
696 | #define NOTIFY_ACK_RES_COUNT BIT_8 | |
697 | #define NOTIFY_ACK_CLEAR_LIP_RESET BIT_5 | |
698 | #define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4 | |
699 | ||
700 | /* Command's states */ | |
701 | #define QLA_TGT_STATE_NEW 0 /* New command + target processing */ | |
702 | #define QLA_TGT_STATE_NEED_DATA 1 /* target needs data to continue */ | |
703 | #define QLA_TGT_STATE_DATA_IN 2 /* Data arrived + target processing */ | |
704 | #define QLA_TGT_STATE_PROCESSED 3 /* target done processing */ | |
705 | #define QLA_TGT_STATE_ABORTED 4 /* Command aborted */ | |
706 | ||
707 | /* Special handles */ | |
708 | #define QLA_TGT_NULL_HANDLE 0 | |
709 | #define QLA_TGT_SKIP_HANDLE (0xFFFFFFFF & ~CTIO_COMPLETION_HANDLE_MARK) | |
710 | ||
711 | /* ATIO task_codes field */ | |
712 | #define ATIO_SIMPLE_QUEUE 0 | |
713 | #define ATIO_HEAD_OF_QUEUE 1 | |
714 | #define ATIO_ORDERED_QUEUE 2 | |
715 | #define ATIO_ACA_QUEUE 4 | |
716 | #define ATIO_UNTAGGED 5 | |
717 | ||
718 | /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */ | |
719 | #define FC_TM_SUCCESS 0 | |
720 | #define FC_TM_BAD_FCP_DATA 1 | |
721 | #define FC_TM_BAD_CMD 2 | |
722 | #define FC_TM_FCP_DATA_MISMATCH 3 | |
723 | #define FC_TM_REJECT 4 | |
724 | #define FC_TM_FAILED 5 | |
725 | ||
726 | /* | |
727 | * Error code of qlt_pre_xmit_response() meaning that cmd's exchange was | |
728 | * terminated, so no more actions is needed and success should be returned | |
729 | * to target. | |
730 | */ | |
731 | #define QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED 0x1717 | |
732 | ||
733 | #if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G) | |
734 | #define pci_dma_lo32(a) (a & 0xffffffff) | |
735 | #define pci_dma_hi32(a) ((((a) >> 16)>>16) & 0xffffffff) | |
736 | #else | |
737 | #define pci_dma_lo32(a) (a & 0xffffffff) | |
738 | #define pci_dma_hi32(a) 0 | |
739 | #endif | |
740 | ||
741 | #define QLA_TGT_SENSE_VALID(sense) ((sense != NULL) && \ | |
742 | (((const uint8_t *)(sense))[0] & 0x70) == 0x70) | |
743 | ||
744 | struct qla_port_24xx_data { | |
745 | uint8_t port_name[WWN_SIZE]; | |
746 | uint16_t loop_id; | |
747 | uint16_t reserved; | |
748 | }; | |
749 | ||
750 | struct qla_tgt { | |
751 | struct scsi_qla_host *vha; | |
752 | struct qla_hw_data *ha; | |
753 | ||
754 | /* | |
755 | * To sync between IRQ handlers and qlt_target_release(). Needed, | |
756 | * because req_pkt() can drop/reaquire HW lock inside. Protected by | |
757 | * HW lock. | |
758 | */ | |
759 | int irq_cmd_count; | |
760 | ||
761 | int datasegs_per_cmd, datasegs_per_cont, sg_tablesize; | |
762 | ||
763 | /* Target's flags, serialized by pha->hardware_lock */ | |
764 | unsigned int tgt_enable_64bit_addr:1; /* 64-bits PCI addr enabled */ | |
765 | unsigned int link_reinit_iocb_pending:1; | |
766 | ||
767 | /* | |
768 | * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex | |
769 | * OR hardware_lock for reading. | |
770 | */ | |
771 | int tgt_stop; /* the target mode driver is being stopped */ | |
772 | int tgt_stopped; /* the target mode driver has been stopped */ | |
773 | ||
774 | /* Count of sessions refering qla_tgt. Protected by hardware_lock. */ | |
775 | int sess_count; | |
776 | ||
777 | /* Protected by hardware_lock. Addition also protected by tgt_mutex. */ | |
778 | struct list_head sess_list; | |
779 | ||
780 | /* Protected by hardware_lock */ | |
781 | struct list_head del_sess_list; | |
782 | struct delayed_work sess_del_work; | |
783 | ||
784 | spinlock_t sess_work_lock; | |
785 | struct list_head sess_works_list; | |
786 | struct work_struct sess_work; | |
787 | ||
788 | struct imm_ntfy_from_isp link_reinit_iocb; | |
789 | wait_queue_head_t waitQ; | |
790 | int notify_ack_expected; | |
791 | int abts_resp_expected; | |
792 | int modify_lun_expected; | |
793 | ||
794 | int ctio_srr_id; | |
795 | int imm_srr_id; | |
796 | spinlock_t srr_lock; | |
797 | struct list_head srr_ctio_list; | |
798 | struct list_head srr_imm_list; | |
799 | struct work_struct srr_work; | |
800 | ||
801 | atomic_t tgt_global_resets_count; | |
802 | ||
803 | struct list_head tgt_list_entry; | |
804 | }; | |
805 | ||
806 | /* | |
807 | * Equivilant to IT Nexus (Initiator-Target) | |
808 | */ | |
809 | struct qla_tgt_sess { | |
810 | uint16_t loop_id; | |
811 | port_id_t s_id; | |
812 | ||
813 | unsigned int conf_compl_supported:1; | |
814 | unsigned int deleted:1; | |
815 | unsigned int local:1; | |
2d70c103 NB |
816 | |
817 | struct se_session *se_sess; | |
818 | struct scsi_qla_host *vha; | |
819 | struct qla_tgt *tgt; | |
820 | ||
821 | struct list_head sess_list_entry; | |
822 | unsigned long expires; | |
823 | struct list_head del_list_entry; | |
824 | ||
825 | uint8_t port_name[WWN_SIZE]; | |
826 | struct work_struct free_work; | |
827 | }; | |
828 | ||
829 | struct qla_tgt_cmd { | |
830 | struct qla_tgt_sess *sess; | |
831 | int state; | |
832 | struct se_cmd se_cmd; | |
833 | struct work_struct free_work; | |
834 | struct work_struct work; | |
835 | /* Sense buffer that will be mapped into outgoing status */ | |
836 | unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER]; | |
837 | ||
838 | /* to save extra sess dereferences */ | |
839 | unsigned int conf_compl_supported:1; | |
840 | unsigned int sg_mapped:1; | |
841 | unsigned int free_sg:1; | |
842 | unsigned int aborted:1; /* Needed in case of SRR */ | |
843 | unsigned int write_data_transferred:1; | |
844 | ||
845 | struct scatterlist *sg; /* cmd data buffer SG vector */ | |
846 | int sg_cnt; /* SG segments count */ | |
847 | int bufflen; /* cmd buffer length */ | |
848 | int offset; | |
849 | uint32_t tag; | |
850 | uint32_t unpacked_lun; | |
851 | enum dma_data_direction dma_data_direction; | |
852 | ||
853 | uint16_t loop_id; /* to save extra sess dereferences */ | |
854 | struct qla_tgt *tgt; /* to save extra sess dereferences */ | |
855 | struct scsi_qla_host *vha; | |
856 | struct list_head cmd_list; | |
857 | ||
858 | struct atio_from_isp atio; | |
859 | }; | |
860 | ||
861 | struct qla_tgt_sess_work_param { | |
862 | struct list_head sess_works_list_entry; | |
863 | ||
864 | #define QLA_TGT_SESS_WORK_ABORT 1 | |
865 | #define QLA_TGT_SESS_WORK_TM 2 | |
866 | int type; | |
867 | ||
868 | union { | |
869 | struct abts_recv_from_24xx abts; | |
870 | struct imm_ntfy_from_isp tm_iocb; | |
871 | struct atio_from_isp tm_iocb2; | |
872 | }; | |
873 | }; | |
874 | ||
875 | struct qla_tgt_mgmt_cmd { | |
876 | uint8_t tmr_func; | |
877 | uint8_t fc_tm_rsp; | |
878 | struct qla_tgt_sess *sess; | |
879 | struct se_cmd se_cmd; | |
880 | struct work_struct free_work; | |
881 | unsigned int flags; | |
882 | #define QLA24XX_MGMT_SEND_NACK 1 | |
883 | union { | |
884 | struct atio_from_isp atio; | |
885 | struct imm_ntfy_from_isp imm_ntfy; | |
886 | struct abts_recv_from_24xx abts; | |
887 | } __packed orig_iocb; | |
888 | }; | |
889 | ||
890 | struct qla_tgt_prm { | |
891 | struct qla_tgt_cmd *cmd; | |
892 | struct qla_tgt *tgt; | |
893 | void *pkt; | |
894 | struct scatterlist *sg; /* cmd data buffer SG vector */ | |
895 | int seg_cnt; | |
896 | int req_cnt; | |
897 | uint16_t rq_result; | |
898 | uint16_t scsi_status; | |
899 | unsigned char *sense_buffer; | |
900 | int sense_buffer_len; | |
901 | int residual; | |
902 | int add_status_pkt; | |
903 | }; | |
904 | ||
905 | struct qla_tgt_srr_imm { | |
906 | struct list_head srr_list_entry; | |
907 | int srr_id; | |
908 | struct imm_ntfy_from_isp imm_ntfy; | |
909 | }; | |
910 | ||
911 | struct qla_tgt_srr_ctio { | |
912 | struct list_head srr_list_entry; | |
913 | int srr_id; | |
914 | struct qla_tgt_cmd *cmd; | |
915 | }; | |
916 | ||
917 | #define QLA_TGT_XMIT_DATA 1 | |
918 | #define QLA_TGT_XMIT_STATUS 2 | |
919 | #define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA) | |
920 | ||
2d70c103 NB |
921 | |
922 | extern struct qla_tgt_data qla_target; | |
923 | /* | |
924 | * Internal function prototypes | |
925 | */ | |
926 | void qlt_disable_vha(struct scsi_qla_host *); | |
927 | ||
928 | /* | |
929 | * Function prototypes for qla_target.c logic used by qla2xxx LLD code. | |
930 | */ | |
931 | extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *); | |
932 | extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *); | |
933 | extern int qlt_lport_register(struct qla_tgt_func_tmpl *, u64, | |
934 | int (*callback)(struct scsi_qla_host *), void *); | |
935 | extern void qlt_lport_deregister(struct scsi_qla_host *); | |
936 | extern void qlt_unreg_sess(struct qla_tgt_sess *); | |
937 | extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *); | |
938 | extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *); | |
939 | extern void qlt_set_mode(struct scsi_qla_host *ha); | |
940 | extern void qlt_clear_mode(struct scsi_qla_host *ha); | |
941 | extern int __init qlt_init(void); | |
942 | extern void qlt_exit(void); | |
943 | extern void qlt_update_vp_map(struct scsi_qla_host *, int); | |
944 | ||
945 | /* | |
946 | * This macro is used during early initializations when host->active_mode | |
947 | * is not set. Right now, ha value is ignored. | |
948 | */ | |
949 | #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED) | |
950 | ||
951 | static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha) | |
952 | { | |
953 | return ha->host->active_mode & MODE_TARGET; | |
954 | } | |
955 | ||
956 | static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha) | |
957 | { | |
958 | return ha->host->active_mode & MODE_INITIATOR; | |
959 | } | |
960 | ||
961 | static inline void qla_reverse_ini_mode(struct scsi_qla_host *ha) | |
962 | { | |
963 | if (ha->host->active_mode & MODE_INITIATOR) | |
964 | ha->host->active_mode &= ~MODE_INITIATOR; | |
965 | else | |
966 | ha->host->active_mode |= MODE_INITIATOR; | |
967 | } | |
968 | ||
969 | /* | |
970 | * Exported symbols from qla_target.c LLD logic used by qla2xxx code.. | |
971 | */ | |
972 | extern void qlt_24xx_atio_pkt_all_vps(struct scsi_qla_host *, | |
973 | struct atio_from_isp *); | |
974 | extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, response_t *); | |
975 | extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *); | |
976 | extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t); | |
977 | extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *); | |
978 | extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *); | |
979 | extern void qlt_free_cmd(struct qla_tgt_cmd *cmd); | |
980 | extern void qlt_ctio_completion(struct scsi_qla_host *, uint32_t); | |
981 | extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *); | |
982 | extern void qlt_enable_vha(struct scsi_qla_host *); | |
983 | extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *); | |
984 | extern void qlt_rff_id(struct scsi_qla_host *, struct ct_sns_req *); | |
985 | extern void qlt_init_atio_q_entries(struct scsi_qla_host *); | |
986 | extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *); | |
987 | extern void qlt_24xx_config_rings(struct scsi_qla_host *, | |
988 | device_reg_t __iomem *); | |
989 | extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *, | |
990 | struct nvram_24xx *); | |
991 | extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *, | |
992 | struct init_cb_24xx *); | |
993 | extern int qlt_24xx_process_response_error(struct scsi_qla_host *, | |
994 | struct sts_entry_24xx *); | |
995 | extern void qlt_modify_vp_config(struct scsi_qla_host *, | |
996 | struct vp_config_entry_24xx *); | |
997 | extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *); | |
998 | extern int qlt_mem_alloc(struct qla_hw_data *); | |
999 | extern void qlt_mem_free(struct qla_hw_data *); | |
1000 | extern void qlt_stop_phase1(struct qla_tgt *); | |
1001 | extern void qlt_stop_phase2(struct qla_tgt *); | |
1002 | ||
1003 | #endif /* __QLA_TARGET_H */ |