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2d70c103 NB |
1 | /* |
2 | * Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net> | |
3 | * Copyright (C) 2004 - 2005 Leonid Stoljar | |
4 | * Copyright (C) 2006 Nathaniel Clark <nate@misrule.us> | |
5 | * Copyright (C) 2007 - 2010 ID7 Ltd. | |
6 | * | |
7 | * Forward port and refactoring to modern qla2xxx and target/configfs | |
8 | * | |
9 | * Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org> | |
10 | * | |
11 | * Additional file for the target driver support. | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or | |
14 | * modify it under the terms of the GNU General Public License | |
15 | * as published by the Free Software Foundation; either version 2 | |
16 | * of the License, or (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | */ | |
23 | /* | |
24 | * This is the global def file that is useful for including from the | |
25 | * target portion. | |
26 | */ | |
27 | ||
28 | #ifndef __QLA_TARGET_H | |
29 | #define __QLA_TARGET_H | |
30 | ||
31 | #include "qla_def.h" | |
32 | ||
33 | /* | |
34 | * Must be changed on any change in any initiator visible interfaces or | |
35 | * data in the target add-on | |
36 | */ | |
37 | #define QLA2XXX_TARGET_MAGIC 269 | |
38 | ||
39 | /* | |
40 | * Must be changed on any change in any target visible interfaces or | |
41 | * data in the initiator | |
42 | */ | |
43 | #define QLA2XXX_INITIATOR_MAGIC 57222 | |
44 | ||
45 | #define QLA2XXX_INI_MODE_STR_EXCLUSIVE "exclusive" | |
46 | #define QLA2XXX_INI_MODE_STR_DISABLED "disabled" | |
47 | #define QLA2XXX_INI_MODE_STR_ENABLED "enabled" | |
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 | |
8d93f550 CD |
63 | #if (CTIO_COMPLETION_HANDLE_MARK <= DEFAULT_OUTSTANDING_COMMANDS) |
64 | #error "CTIO_COMPLETION_HANDLE_MARK not larger than " | |
65 | "DEFAULT_OUTSTANDING_COMMANDS" | |
2d70c103 NB |
66 | #endif |
67 | #define HANDLE_IS_CTIO_COMP(h) (h & CTIO_COMPLETION_HANDLE_MARK) | |
68 | ||
69 | /* Used to mark CTIO as intermediate */ | |
70 | #define CTIO_INTERMEDIATE_HANDLE_MARK BIT_30 | |
71 | ||
72 | #ifndef OF_SS_MODE_0 | |
73 | /* | |
74 | * ISP target entries - Flags bit definitions. | |
75 | */ | |
76 | #define OF_SS_MODE_0 0 | |
77 | #define OF_SS_MODE_1 1 | |
78 | #define OF_SS_MODE_2 2 | |
79 | #define OF_SS_MODE_3 3 | |
80 | ||
81 | #define OF_EXPL_CONF BIT_5 /* Explicit Confirmation Requested */ | |
82 | #define OF_DATA_IN BIT_6 /* Data in to initiator */ | |
83 | /* (data from target to initiator) */ | |
84 | #define OF_DATA_OUT BIT_7 /* Data out from initiator */ | |
85 | /* (data from initiator to target) */ | |
86 | #define OF_NO_DATA (BIT_7 | BIT_6) | |
87 | #define OF_INC_RC BIT_8 /* Increment command resource count */ | |
88 | #define OF_FAST_POST BIT_9 /* Enable mailbox fast posting. */ | |
89 | #define OF_CONF_REQ BIT_13 /* Confirmation Requested */ | |
90 | #define OF_TERM_EXCH BIT_14 /* Terminate exchange */ | |
91 | #define OF_SSTS BIT_15 /* Send SCSI status */ | |
92 | #endif | |
93 | ||
94 | #ifndef QLA_TGT_DATASEGS_PER_CMD32 | |
95 | #define QLA_TGT_DATASEGS_PER_CMD32 3 | |
96 | #define QLA_TGT_DATASEGS_PER_CONT32 7 | |
97 | #define QLA_TGT_MAX_SG32(ql) \ | |
98 | (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD32 + \ | |
99 | QLA_TGT_DATASEGS_PER_CONT32*((ql) - 1)) : 0) | |
100 | ||
101 | #define QLA_TGT_DATASEGS_PER_CMD64 2 | |
102 | #define QLA_TGT_DATASEGS_PER_CONT64 5 | |
103 | #define QLA_TGT_MAX_SG64(ql) \ | |
104 | (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD64 + \ | |
105 | QLA_TGT_DATASEGS_PER_CONT64*((ql) - 1)) : 0) | |
106 | #endif | |
107 | ||
108 | #ifndef QLA_TGT_DATASEGS_PER_CMD_24XX | |
109 | #define QLA_TGT_DATASEGS_PER_CMD_24XX 1 | |
110 | #define QLA_TGT_DATASEGS_PER_CONT_24XX 5 | |
111 | #define QLA_TGT_MAX_SG_24XX(ql) \ | |
112 | (min(1270, ((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD_24XX + \ | |
113 | QLA_TGT_DATASEGS_PER_CONT_24XX*((ql) - 1)) : 0)) | |
114 | #endif | |
115 | #endif | |
116 | ||
117 | #define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha)) \ | |
118 | ? le16_to_cpu((iocb)->u.isp2x.target.extended) \ | |
119 | : (uint16_t)(iocb)->u.isp2x.target.id.standard) | |
120 | ||
121 | #ifndef IMMED_NOTIFY_TYPE | |
122 | #define IMMED_NOTIFY_TYPE 0x0D /* Immediate notify entry. */ | |
123 | /* | |
124 | * ISP queue - immediate notify entry structure definition. | |
125 | * This is sent by the ISP to the Target driver. | |
126 | * This IOCB would have report of events sent by the | |
127 | * initiator, that needs to be handled by the target | |
128 | * driver immediately. | |
129 | */ | |
130 | struct imm_ntfy_from_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 | uint32_t sys_define_2; /* System defined. */ | |
138 | target_id_t target; | |
139 | uint16_t lun; | |
140 | uint8_t target_id; | |
141 | uint8_t reserved_1; | |
142 | uint16_t status_modifier; | |
143 | uint16_t status; | |
144 | uint16_t task_flags; | |
145 | uint16_t seq_id; | |
146 | uint16_t srr_rx_id; | |
147 | uint32_t srr_rel_offs; | |
148 | uint16_t srr_ui; | |
149 | #define SRR_IU_DATA_IN 0x1 | |
150 | #define SRR_IU_DATA_OUT 0x5 | |
151 | #define SRR_IU_STATUS 0x7 | |
152 | uint16_t srr_ox_id; | |
153 | uint8_t reserved_2[28]; | |
154 | } isp2x; | |
155 | struct { | |
156 | uint32_t reserved; | |
157 | uint16_t nport_handle; | |
158 | uint16_t reserved_2; | |
159 | uint16_t flags; | |
160 | #define NOTIFY24XX_FLAGS_GLOBAL_TPRLO BIT_1 | |
161 | #define NOTIFY24XX_FLAGS_PUREX_IOCB BIT_0 | |
162 | uint16_t srr_rx_id; | |
163 | uint16_t status; | |
164 | uint8_t status_subcode; | |
aa230bc5 | 165 | uint8_t fw_handle; |
2d70c103 NB |
166 | uint32_t exchange_address; |
167 | uint32_t srr_rel_offs; | |
168 | uint16_t srr_ui; | |
169 | uint16_t srr_ox_id; | |
a6ca8878 AP |
170 | union { |
171 | struct { | |
172 | uint8_t node_name[8]; | |
173 | } plogi; /* PLOGI/ADISC/PDISC */ | |
174 | struct { | |
175 | /* PRLI word 3 bit 0-15 */ | |
176 | uint16_t wd3_lo; | |
177 | uint8_t resv0[6]; | |
178 | } prli; | |
179 | struct { | |
180 | uint8_t port_id[3]; | |
181 | uint8_t resv1; | |
182 | uint16_t nport_handle; | |
183 | uint16_t resv2; | |
184 | } req_els; | |
185 | } u; | |
186 | uint8_t port_name[8]; | |
187 | uint8_t resv3[3]; | |
2d70c103 NB |
188 | uint8_t vp_index; |
189 | uint32_t reserved_5; | |
190 | uint8_t port_id[3]; | |
191 | uint8_t reserved_6; | |
192 | } isp24; | |
193 | } u; | |
194 | uint16_t reserved_7; | |
195 | uint16_t ox_id; | |
196 | } __packed; | |
197 | #endif | |
198 | ||
199 | #ifndef NOTIFY_ACK_TYPE | |
200 | #define NOTIFY_ACK_TYPE 0x0E /* Notify acknowledge entry. */ | |
201 | /* | |
202 | * ISP queue - notify acknowledge entry structure definition. | |
203 | * This is sent to the ISP from the target driver. | |
204 | */ | |
205 | struct nack_to_isp { | |
206 | uint8_t entry_type; /* Entry type. */ | |
207 | uint8_t entry_count; /* Entry count. */ | |
208 | uint8_t sys_define; /* System defined. */ | |
209 | uint8_t entry_status; /* Entry Status. */ | |
210 | union { | |
211 | struct { | |
212 | uint32_t sys_define_2; /* System defined. */ | |
213 | target_id_t target; | |
214 | uint8_t target_id; | |
215 | uint8_t reserved_1; | |
216 | uint16_t flags; | |
217 | uint16_t resp_code; | |
218 | uint16_t status; | |
219 | uint16_t task_flags; | |
220 | uint16_t seq_id; | |
221 | uint16_t srr_rx_id; | |
222 | uint32_t srr_rel_offs; | |
223 | uint16_t srr_ui; | |
224 | uint16_t srr_flags; | |
225 | uint16_t srr_reject_code; | |
226 | uint8_t srr_reject_vendor_uniq; | |
227 | uint8_t srr_reject_code_expl; | |
228 | uint8_t reserved_2[24]; | |
229 | } isp2x; | |
230 | struct { | |
231 | uint32_t handle; | |
232 | uint16_t nport_handle; | |
233 | uint16_t reserved_1; | |
234 | uint16_t flags; | |
235 | uint16_t srr_rx_id; | |
236 | uint16_t status; | |
237 | uint8_t status_subcode; | |
aa230bc5 | 238 | uint8_t fw_handle; |
2d70c103 NB |
239 | uint32_t exchange_address; |
240 | uint32_t srr_rel_offs; | |
241 | uint16_t srr_ui; | |
242 | uint16_t srr_flags; | |
243 | uint8_t reserved_4[19]; | |
244 | uint8_t vp_index; | |
245 | uint8_t srr_reject_vendor_uniq; | |
246 | uint8_t srr_reject_code_expl; | |
247 | uint8_t srr_reject_code; | |
248 | uint8_t reserved_5[5]; | |
249 | } isp24; | |
250 | } u; | |
251 | uint8_t reserved[2]; | |
252 | uint16_t ox_id; | |
253 | } __packed; | |
a6ca8878 | 254 | #define NOTIFY_ACK_FLAGS_TERMINATE BIT_3 |
2d70c103 NB |
255 | #define NOTIFY_ACK_SRR_FLAGS_ACCEPT 0 |
256 | #define NOTIFY_ACK_SRR_FLAGS_REJECT 1 | |
257 | ||
258 | #define NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM 0x9 | |
259 | ||
260 | #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL 0 | |
261 | #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_UNABLE_TO_SUPPLY_DATA 0x2a | |
262 | ||
263 | #define NOTIFY_ACK_SUCCESS 0x01 | |
264 | #endif | |
265 | ||
266 | #ifndef ACCEPT_TGT_IO_TYPE | |
267 | #define ACCEPT_TGT_IO_TYPE 0x16 /* Accept target I/O entry. */ | |
268 | #endif | |
269 | ||
270 | #ifndef CONTINUE_TGT_IO_TYPE | |
271 | #define CONTINUE_TGT_IO_TYPE 0x17 | |
272 | /* | |
273 | * ISP queue - Continue Target I/O (CTIO) entry for status mode 0 structure. | |
274 | * This structure is sent to the ISP 2xxx from target driver. | |
275 | */ | |
276 | struct ctio_to_2xxx { | |
277 | uint8_t entry_type; /* Entry type. */ | |
278 | uint8_t entry_count; /* Entry count. */ | |
279 | uint8_t sys_define; /* System defined. */ | |
280 | uint8_t entry_status; /* Entry Status. */ | |
281 | uint32_t handle; /* System defined handle */ | |
282 | target_id_t target; | |
283 | uint16_t rx_id; | |
284 | uint16_t flags; | |
285 | uint16_t status; | |
286 | uint16_t timeout; /* 0 = 30 seconds, 0xFFFF = disable */ | |
287 | uint16_t dseg_count; /* Data segment count. */ | |
288 | uint32_t relative_offset; | |
289 | uint32_t residual; | |
290 | uint16_t reserved_1[3]; | |
291 | uint16_t scsi_status; | |
292 | uint32_t transfer_length; | |
293 | uint32_t dseg_0_address; /* Data segment 0 address. */ | |
294 | uint32_t dseg_0_length; /* Data segment 0 length. */ | |
295 | uint32_t dseg_1_address; /* Data segment 1 address. */ | |
296 | uint32_t dseg_1_length; /* Data segment 1 length. */ | |
297 | uint32_t dseg_2_address; /* Data segment 2 address. */ | |
298 | uint32_t dseg_2_length; /* Data segment 2 length. */ | |
299 | } __packed; | |
300 | #define ATIO_PATH_INVALID 0x07 | |
301 | #define ATIO_CANT_PROV_CAP 0x16 | |
302 | #define ATIO_CDB_VALID 0x3D | |
303 | ||
304 | #define ATIO_EXEC_READ BIT_1 | |
305 | #define ATIO_EXEC_WRITE BIT_0 | |
306 | #endif | |
307 | ||
308 | #ifndef CTIO_A64_TYPE | |
309 | #define CTIO_A64_TYPE 0x1F | |
310 | #define CTIO_SUCCESS 0x01 | |
311 | #define CTIO_ABORTED 0x02 | |
312 | #define CTIO_INVALID_RX_ID 0x08 | |
313 | #define CTIO_TIMEOUT 0x0B | |
f83adb61 | 314 | #define CTIO_DIF_ERROR 0x0C /* DIF error detected */ |
2d70c103 NB |
315 | #define CTIO_LIP_RESET 0x0E |
316 | #define CTIO_TARGET_RESET 0x17 | |
317 | #define CTIO_PORT_UNAVAILABLE 0x28 | |
318 | #define CTIO_PORT_LOGGED_OUT 0x29 | |
319 | #define CTIO_PORT_CONF_CHANGED 0x2A | |
320 | #define CTIO_SRR_RECEIVED 0x45 | |
321 | #endif | |
322 | ||
323 | #ifndef CTIO_RET_TYPE | |
324 | #define CTIO_RET_TYPE 0x17 /* CTIO return entry */ | |
325 | #define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */ | |
326 | ||
327 | struct fcp_hdr { | |
328 | uint8_t r_ctl; | |
329 | uint8_t d_id[3]; | |
330 | uint8_t cs_ctl; | |
331 | uint8_t s_id[3]; | |
332 | uint8_t type; | |
333 | uint8_t f_ctl[3]; | |
334 | uint8_t seq_id; | |
335 | uint8_t df_ctl; | |
336 | uint16_t seq_cnt; | |
c7ee3bd4 | 337 | __be16 ox_id; |
2d70c103 NB |
338 | uint16_t rx_id; |
339 | uint32_t parameter; | |
340 | } __packed; | |
341 | ||
342 | struct fcp_hdr_le { | |
343 | uint8_t d_id[3]; | |
344 | uint8_t r_ctl; | |
345 | uint8_t s_id[3]; | |
346 | uint8_t cs_ctl; | |
347 | uint8_t f_ctl[3]; | |
348 | uint8_t type; | |
349 | uint16_t seq_cnt; | |
350 | uint8_t df_ctl; | |
351 | uint8_t seq_id; | |
352 | uint16_t rx_id; | |
353 | uint16_t ox_id; | |
354 | uint32_t parameter; | |
355 | } __packed; | |
356 | ||
357 | #define F_CTL_EXCH_CONTEXT_RESP BIT_23 | |
358 | #define F_CTL_SEQ_CONTEXT_RESIP BIT_22 | |
359 | #define F_CTL_LAST_SEQ BIT_20 | |
360 | #define F_CTL_END_SEQ BIT_19 | |
361 | #define F_CTL_SEQ_INITIATIVE BIT_16 | |
362 | ||
363 | #define R_CTL_BASIC_LINK_SERV 0x80 | |
364 | #define R_CTL_B_ACC 0x4 | |
365 | #define R_CTL_B_RJT 0x5 | |
366 | ||
367 | struct atio7_fcp_cmnd { | |
368 | uint64_t lun; | |
369 | uint8_t cmnd_ref; | |
370 | uint8_t task_attr:3; | |
371 | uint8_t reserved:5; | |
372 | uint8_t task_mgmt_flags; | |
373 | #define FCP_CMND_TASK_MGMT_CLEAR_ACA 6 | |
374 | #define FCP_CMND_TASK_MGMT_TARGET_RESET 5 | |
375 | #define FCP_CMND_TASK_MGMT_LU_RESET 4 | |
376 | #define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET 2 | |
377 | #define FCP_CMND_TASK_MGMT_ABORT_TASK_SET 1 | |
378 | uint8_t wrdata:1; | |
379 | uint8_t rddata:1; | |
380 | uint8_t add_cdb_len:6; | |
381 | uint8_t cdb[16]; | |
382 | /* | |
383 | * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4 | |
384 | * only to make sizeof(struct atio7_fcp_cmnd) be as expected by | |
385 | * BUILD_BUG_ON in qlt_init(). | |
386 | */ | |
387 | uint8_t add_cdb[4]; | |
388 | /* uint32_t data_length; */ | |
389 | } __packed; | |
390 | ||
391 | /* | |
392 | * ISP queue - Accept Target I/O (ATIO) type entry IOCB structure. | |
393 | * This is sent from the ISP to the target driver. | |
394 | */ | |
395 | struct atio_from_isp { | |
396 | union { | |
397 | struct { | |
398 | uint16_t entry_hdr; | |
399 | uint8_t sys_define; /* System defined. */ | |
400 | uint8_t entry_status; /* Entry Status. */ | |
401 | uint32_t sys_define_2; /* System defined. */ | |
402 | target_id_t target; | |
403 | uint16_t rx_id; | |
404 | uint16_t flags; | |
405 | uint16_t status; | |
406 | uint8_t command_ref; | |
407 | uint8_t task_codes; | |
408 | uint8_t task_flags; | |
409 | uint8_t execution_codes; | |
410 | uint8_t cdb[MAX_CMDSZ]; | |
411 | uint32_t data_length; | |
412 | uint16_t lun; | |
413 | uint8_t initiator_port_name[WWN_SIZE]; /* on qla23xx */ | |
414 | uint16_t reserved_32[6]; | |
415 | uint16_t ox_id; | |
416 | } isp2x; | |
417 | struct { | |
418 | uint16_t entry_hdr; | |
419 | uint8_t fcp_cmnd_len_low; | |
420 | uint8_t fcp_cmnd_len_high:4; | |
421 | uint8_t attr:4; | |
422 | uint32_t exchange_addr; | |
423 | #define ATIO_EXCHANGE_ADDRESS_UNKNOWN 0xFFFFFFFF | |
424 | struct fcp_hdr fcp_hdr; | |
425 | struct atio7_fcp_cmnd fcp_cmnd; | |
426 | } isp24; | |
427 | struct { | |
428 | uint8_t entry_type; /* Entry type. */ | |
429 | uint8_t entry_count; /* Entry count. */ | |
430 | uint8_t data[58]; | |
431 | uint32_t signature; | |
432 | #define ATIO_PROCESSED 0xDEADDEAD /* Signature */ | |
433 | } raw; | |
434 | } u; | |
435 | } __packed; | |
436 | ||
437 | #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */ | |
438 | ||
439 | /* | |
440 | * ISP queue - Continue Target I/O (ATIO) type 7 entry (for 24xx) structure. | |
441 | * This structure is sent to the ISP 24xx from the target driver. | |
442 | */ | |
443 | ||
444 | struct ctio7_to_24xx { | |
445 | uint8_t entry_type; /* Entry type. */ | |
446 | uint8_t entry_count; /* Entry count. */ | |
447 | uint8_t sys_define; /* System defined. */ | |
448 | uint8_t entry_status; /* Entry Status. */ | |
449 | uint32_t handle; /* System defined handle */ | |
450 | uint16_t nport_handle; | |
451 | #define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF | |
452 | uint16_t timeout; | |
453 | uint16_t dseg_count; /* Data segment count. */ | |
454 | uint8_t vp_index; | |
455 | uint8_t add_flags; | |
456 | uint8_t initiator_id[3]; | |
457 | uint8_t reserved; | |
458 | uint32_t exchange_addr; | |
459 | union { | |
460 | struct { | |
461 | uint16_t reserved1; | |
c7ee3bd4 | 462 | __le16 flags; |
2d70c103 | 463 | uint32_t residual; |
33a5fcee | 464 | __le16 ox_id; |
2d70c103 NB |
465 | uint16_t scsi_status; |
466 | uint32_t relative_offset; | |
467 | uint32_t reserved2; | |
468 | uint32_t transfer_length; | |
469 | uint32_t reserved3; | |
470 | /* Data segment 0 address. */ | |
471 | uint32_t dseg_0_address[2]; | |
472 | /* Data segment 0 length. */ | |
473 | uint32_t dseg_0_length; | |
474 | } status0; | |
475 | struct { | |
476 | uint16_t sense_length; | |
477 | uint16_t flags; | |
478 | uint32_t residual; | |
33a5fcee | 479 | __le16 ox_id; |
2d70c103 NB |
480 | uint16_t scsi_status; |
481 | uint16_t response_len; | |
482 | uint16_t reserved; | |
483 | uint8_t sense_data[24]; | |
484 | } status1; | |
485 | } u; | |
486 | } __packed; | |
487 | ||
488 | /* | |
489 | * ISP queue - CTIO type 7 from ISP 24xx to target driver | |
490 | * returned entry structure. | |
491 | */ | |
492 | struct ctio7_from_24xx { | |
493 | uint8_t entry_type; /* Entry type. */ | |
494 | uint8_t entry_count; /* Entry count. */ | |
495 | uint8_t sys_define; /* System defined. */ | |
496 | uint8_t entry_status; /* Entry Status. */ | |
497 | uint32_t handle; /* System defined handle */ | |
498 | uint16_t status; | |
499 | uint16_t timeout; | |
500 | uint16_t dseg_count; /* Data segment count. */ | |
501 | uint8_t vp_index; | |
502 | uint8_t reserved1[5]; | |
503 | uint32_t exchange_address; | |
504 | uint16_t reserved2; | |
505 | uint16_t flags; | |
506 | uint32_t residual; | |
507 | uint16_t ox_id; | |
508 | uint16_t reserved3; | |
509 | uint32_t relative_offset; | |
510 | uint8_t reserved4[24]; | |
511 | } __packed; | |
512 | ||
513 | /* CTIO7 flags values */ | |
514 | #define CTIO7_FLAGS_SEND_STATUS BIT_15 | |
515 | #define CTIO7_FLAGS_TERMINATE BIT_14 | |
516 | #define CTIO7_FLAGS_CONFORM_REQ BIT_13 | |
517 | #define CTIO7_FLAGS_DONT_RET_CTIO BIT_8 | |
518 | #define CTIO7_FLAGS_STATUS_MODE_0 0 | |
519 | #define CTIO7_FLAGS_STATUS_MODE_1 BIT_6 | |
f83adb61 | 520 | #define CTIO7_FLAGS_STATUS_MODE_2 BIT_7 |
2d70c103 NB |
521 | #define CTIO7_FLAGS_EXPLICIT_CONFORM BIT_5 |
522 | #define CTIO7_FLAGS_CONFIRM_SATISF BIT_4 | |
523 | #define CTIO7_FLAGS_DSD_PTR BIT_2 | |
f83adb61 QT |
524 | #define CTIO7_FLAGS_DATA_IN BIT_1 /* data to initiator */ |
525 | #define CTIO7_FLAGS_DATA_OUT BIT_0 /* data from initiator */ | |
2d70c103 NB |
526 | |
527 | #define ELS_PLOGI 0x3 | |
528 | #define ELS_FLOGI 0x4 | |
529 | #define ELS_LOGO 0x5 | |
530 | #define ELS_PRLI 0x20 | |
531 | #define ELS_PRLO 0x21 | |
532 | #define ELS_TPRLO 0x24 | |
533 | #define ELS_PDISC 0x50 | |
534 | #define ELS_ADISC 0x52 | |
535 | ||
f83adb61 QT |
536 | /* |
537 | *CTIO Type CRC_2 IOCB | |
538 | */ | |
539 | struct ctio_crc2_to_fw { | |
540 | uint8_t entry_type; /* Entry type. */ | |
541 | #define CTIO_CRC2 0x7A | |
542 | uint8_t entry_count; /* Entry count. */ | |
543 | uint8_t sys_define; /* System defined. */ | |
544 | uint8_t entry_status; /* Entry Status. */ | |
545 | ||
546 | uint32_t handle; /* System handle. */ | |
547 | uint16_t nport_handle; /* N_PORT handle. */ | |
c7ee3bd4 | 548 | __le16 timeout; /* Command timeout. */ |
f83adb61 QT |
549 | |
550 | uint16_t dseg_count; /* Data segment count. */ | |
551 | uint8_t vp_index; | |
552 | uint8_t add_flags; /* additional flags */ | |
553 | #define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3 | |
554 | ||
555 | uint8_t initiator_id[3]; /* initiator ID */ | |
556 | uint8_t reserved1; | |
557 | uint32_t exchange_addr; /* rcv exchange address */ | |
558 | uint16_t reserved2; | |
c7ee3bd4 | 559 | __le16 flags; /* refer to CTIO7 flags values */ |
f83adb61 | 560 | uint32_t residual; |
c7ee3bd4 | 561 | __le16 ox_id; |
f83adb61 | 562 | uint16_t scsi_status; |
c7ee3bd4 | 563 | __le32 relative_offset; |
f83adb61 | 564 | uint32_t reserved5; |
c7ee3bd4 | 565 | __le32 transfer_length; /* total fc transfer length */ |
f83adb61 | 566 | uint32_t reserved6; |
c7ee3bd4 | 567 | __le32 crc_context_address[2];/* Data segment address. */ |
f83adb61 QT |
568 | uint16_t crc_context_len; /* Data segment length. */ |
569 | uint16_t reserved_1; /* MUST be set to 0. */ | |
570 | } __packed; | |
571 | ||
572 | /* CTIO Type CRC_x Status IOCB */ | |
573 | struct ctio_crc_from_fw { | |
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 | ||
579 | uint32_t handle; /* System handle. */ | |
580 | uint16_t status; | |
581 | uint16_t timeout; /* Command timeout. */ | |
582 | uint16_t dseg_count; /* Data segment count. */ | |
583 | uint32_t reserved1; | |
584 | uint16_t state_flags; | |
585 | #define CTIO_CRC_SF_DIF_CHOPPED BIT_4 | |
586 | ||
587 | uint32_t exchange_address; /* rcv exchange address */ | |
588 | uint16_t reserved2; | |
589 | uint16_t flags; | |
590 | uint32_t resid_xfer_length; | |
591 | uint16_t ox_id; | |
592 | uint8_t reserved3[12]; | |
593 | uint16_t runt_guard; /* reported runt blk guard */ | |
594 | uint8_t actual_dif[8]; | |
595 | uint8_t expected_dif[8]; | |
596 | } __packed; | |
597 | ||
2d70c103 NB |
598 | /* |
599 | * ISP queue - ABTS received/response entries structure definition for 24xx. | |
600 | */ | |
601 | #define ABTS_RECV_24XX 0x54 /* ABTS received (for 24xx) */ | |
602 | #define ABTS_RESP_24XX 0x55 /* ABTS responce (for 24xx) */ | |
603 | ||
604 | /* | |
605 | * ISP queue - ABTS received IOCB entry structure definition for 24xx. | |
606 | * The ABTS BLS received from the wire is sent to the | |
607 | * target driver by the ISP 24xx. | |
608 | * The IOCB is placed on the response queue. | |
609 | */ | |
610 | struct abts_recv_from_24xx { | |
611 | uint8_t entry_type; /* Entry type. */ | |
612 | uint8_t entry_count; /* Entry count. */ | |
613 | uint8_t sys_define; /* System defined. */ | |
614 | uint8_t entry_status; /* Entry Status. */ | |
615 | uint8_t reserved_1[6]; | |
616 | uint16_t nport_handle; | |
617 | uint8_t reserved_2[2]; | |
618 | uint8_t vp_index; | |
619 | uint8_t reserved_3:4; | |
620 | uint8_t sof_type:4; | |
621 | uint32_t exchange_address; | |
622 | struct fcp_hdr_le fcp_hdr_le; | |
623 | uint8_t reserved_4[16]; | |
624 | uint32_t exchange_addr_to_abort; | |
625 | } __packed; | |
626 | ||
627 | #define ABTS_PARAM_ABORT_SEQ BIT_0 | |
628 | ||
629 | struct ba_acc_le { | |
630 | uint16_t reserved; | |
631 | uint8_t seq_id_last; | |
632 | uint8_t seq_id_valid; | |
633 | #define SEQ_ID_VALID 0x80 | |
634 | #define SEQ_ID_INVALID 0x00 | |
635 | uint16_t rx_id; | |
636 | uint16_t ox_id; | |
637 | uint16_t high_seq_cnt; | |
638 | uint16_t low_seq_cnt; | |
639 | } __packed; | |
640 | ||
641 | struct ba_rjt_le { | |
642 | uint8_t vendor_uniq; | |
643 | uint8_t reason_expl; | |
644 | uint8_t reason_code; | |
645 | #define BA_RJT_REASON_CODE_INVALID_COMMAND 0x1 | |
646 | #define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM 0x9 | |
647 | uint8_t reserved; | |
648 | } __packed; | |
649 | ||
650 | /* | |
651 | * ISP queue - ABTS Response IOCB entry structure definition for 24xx. | |
652 | * The ABTS response to the ABTS received is sent by the | |
653 | * target driver to the ISP 24xx. | |
654 | * The IOCB is placed on the request queue. | |
655 | */ | |
656 | struct abts_resp_to_24xx { | |
657 | uint8_t entry_type; /* Entry type. */ | |
658 | uint8_t entry_count; /* Entry count. */ | |
659 | uint8_t sys_define; /* System defined. */ | |
660 | uint8_t entry_status; /* Entry Status. */ | |
661 | uint32_t handle; | |
662 | uint16_t reserved_1; | |
663 | uint16_t nport_handle; | |
664 | uint16_t control_flags; | |
665 | #define ABTS_CONTR_FLG_TERM_EXCHG BIT_0 | |
666 | uint8_t vp_index; | |
667 | uint8_t reserved_3:4; | |
668 | uint8_t sof_type:4; | |
669 | uint32_t exchange_address; | |
670 | struct fcp_hdr_le fcp_hdr_le; | |
671 | union { | |
672 | struct ba_acc_le ba_acct; | |
673 | struct ba_rjt_le ba_rjt; | |
674 | } __packed payload; | |
675 | uint32_t reserved_4; | |
676 | uint32_t exchange_addr_to_abort; | |
677 | } __packed; | |
678 | ||
679 | /* | |
680 | * ISP queue - ABTS Response IOCB from ISP24xx Firmware entry structure. | |
681 | * The ABTS response with completion status to the ABTS response | |
682 | * (sent by the target driver to the ISP 24xx) is sent by the | |
683 | * ISP24xx firmware to the target driver. | |
684 | * The IOCB is placed on the response queue. | |
685 | */ | |
686 | struct abts_resp_from_24xx_fw { | |
687 | uint8_t entry_type; /* Entry type. */ | |
688 | uint8_t entry_count; /* Entry count. */ | |
689 | uint8_t sys_define; /* System defined. */ | |
690 | uint8_t entry_status; /* Entry Status. */ | |
691 | uint32_t handle; | |
692 | uint16_t compl_status; | |
693 | #define ABTS_RESP_COMPL_SUCCESS 0 | |
694 | #define ABTS_RESP_COMPL_SUBCODE_ERROR 0x31 | |
695 | uint16_t nport_handle; | |
696 | uint16_t reserved_1; | |
697 | uint8_t reserved_2; | |
698 | uint8_t reserved_3:4; | |
699 | uint8_t sof_type:4; | |
700 | uint32_t exchange_address; | |
701 | struct fcp_hdr_le fcp_hdr_le; | |
702 | uint8_t reserved_4[8]; | |
703 | uint32_t error_subcode1; | |
704 | #define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM 0x1E | |
705 | uint32_t error_subcode2; | |
706 | uint32_t exchange_addr_to_abort; | |
707 | } __packed; | |
708 | ||
709 | /********************************************************************\ | |
710 | * Type Definitions used by initiator & target halves | |
711 | \********************************************************************/ | |
712 | ||
713 | struct qla_tgt_mgmt_cmd; | |
714 | struct qla_tgt_sess; | |
715 | ||
716 | /* | |
717 | * This structure provides a template of function calls that the | |
718 | * target driver (from within qla_target.c) can issue to the | |
719 | * target module (tcm_qla2xxx). | |
720 | */ | |
721 | struct qla_tgt_func_tmpl { | |
722 | ||
723 | int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *, | |
724 | unsigned char *, uint32_t, int, int, int); | |
43381ce8 | 725 | void (*handle_data)(struct qla_tgt_cmd *); |
f83adb61 | 726 | void (*handle_dif_err)(struct qla_tgt_cmd *); |
2d70c103 NB |
727 | int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, uint32_t, uint8_t, |
728 | uint32_t); | |
729 | void (*free_cmd)(struct qla_tgt_cmd *); | |
730 | void (*free_mcmd)(struct qla_tgt_mgmt_cmd *); | |
731 | void (*free_session)(struct qla_tgt_sess *); | |
732 | ||
733 | int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *, | |
734 | void *, uint8_t *, uint16_t); | |
c8292d1d | 735 | void (*update_sess)(struct qla_tgt_sess *, port_id_t, uint16_t, bool); |
2d70c103 NB |
736 | struct qla_tgt_sess *(*find_sess_by_loop_id)(struct scsi_qla_host *, |
737 | const uint16_t); | |
738 | struct qla_tgt_sess *(*find_sess_by_s_id)(struct scsi_qla_host *, | |
739 | const uint8_t *); | |
740 | void (*clear_nacl_from_fcport_map)(struct qla_tgt_sess *); | |
741 | void (*put_sess)(struct qla_tgt_sess *); | |
742 | void (*shutdown_sess)(struct qla_tgt_sess *); | |
743 | }; | |
744 | ||
745 | int qla2x00_wait_for_hba_online(struct scsi_qla_host *); | |
746 | ||
747 | #include <target/target_core_base.h> | |
748 | ||
749 | #define QLA_TGT_TIMEOUT 10 /* in seconds */ | |
750 | ||
751 | #define QLA_TGT_MAX_HW_PENDING_TIME 60 /* in seconds */ | |
752 | ||
753 | /* Immediate notify status constants */ | |
754 | #define IMM_NTFY_LIP_RESET 0x000E | |
755 | #define IMM_NTFY_LIP_LINK_REINIT 0x000F | |
756 | #define IMM_NTFY_IOCB_OVERFLOW 0x0016 | |
757 | #define IMM_NTFY_ABORT_TASK 0x0020 | |
758 | #define IMM_NTFY_PORT_LOGOUT 0x0029 | |
759 | #define IMM_NTFY_PORT_CONFIG 0x002A | |
760 | #define IMM_NTFY_GLBL_TPRLO 0x002D | |
761 | #define IMM_NTFY_GLBL_LOGO 0x002E | |
762 | #define IMM_NTFY_RESOURCE 0x0034 | |
763 | #define IMM_NTFY_MSG_RX 0x0036 | |
764 | #define IMM_NTFY_SRR 0x0045 | |
765 | #define IMM_NTFY_ELS 0x0046 | |
766 | ||
767 | /* Immediate notify task flags */ | |
768 | #define IMM_NTFY_TASK_MGMT_SHIFT 8 | |
769 | ||
770 | #define QLA_TGT_CLEAR_ACA 0x40 | |
771 | #define QLA_TGT_TARGET_RESET 0x20 | |
772 | #define QLA_TGT_LUN_RESET 0x10 | |
773 | #define QLA_TGT_CLEAR_TS 0x04 | |
774 | #define QLA_TGT_ABORT_TS 0x02 | |
775 | #define QLA_TGT_ABORT_ALL_SESS 0xFFFF | |
776 | #define QLA_TGT_ABORT_ALL 0xFFFE | |
777 | #define QLA_TGT_NEXUS_LOSS_SESS 0xFFFD | |
778 | #define QLA_TGT_NEXUS_LOSS 0xFFFC | |
779 | ||
780 | /* Notify Acknowledge flags */ | |
781 | #define NOTIFY_ACK_RES_COUNT BIT_8 | |
782 | #define NOTIFY_ACK_CLEAR_LIP_RESET BIT_5 | |
783 | #define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4 | |
784 | ||
785 | /* Command's states */ | |
786 | #define QLA_TGT_STATE_NEW 0 /* New command + target processing */ | |
787 | #define QLA_TGT_STATE_NEED_DATA 1 /* target needs data to continue */ | |
788 | #define QLA_TGT_STATE_DATA_IN 2 /* Data arrived + target processing */ | |
789 | #define QLA_TGT_STATE_PROCESSED 3 /* target done processing */ | |
790 | #define QLA_TGT_STATE_ABORTED 4 /* Command aborted */ | |
791 | ||
792 | /* Special handles */ | |
793 | #define QLA_TGT_NULL_HANDLE 0 | |
794 | #define QLA_TGT_SKIP_HANDLE (0xFFFFFFFF & ~CTIO_COMPLETION_HANDLE_MARK) | |
795 | ||
796 | /* ATIO task_codes field */ | |
797 | #define ATIO_SIMPLE_QUEUE 0 | |
798 | #define ATIO_HEAD_OF_QUEUE 1 | |
799 | #define ATIO_ORDERED_QUEUE 2 | |
800 | #define ATIO_ACA_QUEUE 4 | |
801 | #define ATIO_UNTAGGED 5 | |
802 | ||
803 | /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */ | |
804 | #define FC_TM_SUCCESS 0 | |
805 | #define FC_TM_BAD_FCP_DATA 1 | |
806 | #define FC_TM_BAD_CMD 2 | |
807 | #define FC_TM_FCP_DATA_MISMATCH 3 | |
808 | #define FC_TM_REJECT 4 | |
809 | #define FC_TM_FAILED 5 | |
810 | ||
2d70c103 NB |
811 | #if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G) |
812 | #define pci_dma_lo32(a) (a & 0xffffffff) | |
813 | #define pci_dma_hi32(a) ((((a) >> 16)>>16) & 0xffffffff) | |
814 | #else | |
815 | #define pci_dma_lo32(a) (a & 0xffffffff) | |
816 | #define pci_dma_hi32(a) 0 | |
817 | #endif | |
818 | ||
819 | #define QLA_TGT_SENSE_VALID(sense) ((sense != NULL) && \ | |
820 | (((const uint8_t *)(sense))[0] & 0x70) == 0x70) | |
821 | ||
822 | struct qla_port_24xx_data { | |
823 | uint8_t port_name[WWN_SIZE]; | |
824 | uint16_t loop_id; | |
825 | uint16_t reserved; | |
826 | }; | |
827 | ||
828 | struct qla_tgt { | |
829 | struct scsi_qla_host *vha; | |
830 | struct qla_hw_data *ha; | |
831 | ||
832 | /* | |
833 | * To sync between IRQ handlers and qlt_target_release(). Needed, | |
834 | * because req_pkt() can drop/reaquire HW lock inside. Protected by | |
835 | * HW lock. | |
836 | */ | |
837 | int irq_cmd_count; | |
838 | ||
839 | int datasegs_per_cmd, datasegs_per_cont, sg_tablesize; | |
840 | ||
841 | /* Target's flags, serialized by pha->hardware_lock */ | |
842 | unsigned int tgt_enable_64bit_addr:1; /* 64-bits PCI addr enabled */ | |
843 | unsigned int link_reinit_iocb_pending:1; | |
844 | ||
845 | /* | |
846 | * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex | |
847 | * OR hardware_lock for reading. | |
848 | */ | |
849 | int tgt_stop; /* the target mode driver is being stopped */ | |
850 | int tgt_stopped; /* the target mode driver has been stopped */ | |
851 | ||
852 | /* Count of sessions refering qla_tgt. Protected by hardware_lock. */ | |
853 | int sess_count; | |
854 | ||
855 | /* Protected by hardware_lock. Addition also protected by tgt_mutex. */ | |
856 | struct list_head sess_list; | |
857 | ||
858 | /* Protected by hardware_lock */ | |
859 | struct list_head del_sess_list; | |
860 | struct delayed_work sess_del_work; | |
861 | ||
862 | spinlock_t sess_work_lock; | |
863 | struct list_head sess_works_list; | |
864 | struct work_struct sess_work; | |
865 | ||
866 | struct imm_ntfy_from_isp link_reinit_iocb; | |
867 | wait_queue_head_t waitQ; | |
868 | int notify_ack_expected; | |
869 | int abts_resp_expected; | |
870 | int modify_lun_expected; | |
871 | ||
872 | int ctio_srr_id; | |
873 | int imm_srr_id; | |
874 | spinlock_t srr_lock; | |
875 | struct list_head srr_ctio_list; | |
876 | struct list_head srr_imm_list; | |
877 | struct work_struct srr_work; | |
878 | ||
879 | atomic_t tgt_global_resets_count; | |
880 | ||
881 | struct list_head tgt_list_entry; | |
882 | }; | |
883 | ||
51a07f84 NB |
884 | struct qla_tgt_sess_op { |
885 | struct scsi_qla_host *vha; | |
886 | struct atio_from_isp atio; | |
887 | struct work_struct work; | |
8b2f5ff3 SN |
888 | struct list_head cmd_list; |
889 | bool aborted; | |
51a07f84 NB |
890 | }; |
891 | ||
a6ca8878 AP |
892 | enum qla_sess_deletion { |
893 | QLA_SESS_DELETION_NONE = 0, | |
894 | QLA_SESS_DELETION_PENDING = 1, /* hopefully we can get rid of | |
895 | * this one */ | |
896 | QLA_SESS_DELETION_IN_PROGRESS = 2, | |
897 | }; | |
898 | ||
b7bd104e AP |
899 | typedef enum { |
900 | QLT_PLOGI_LINK_SAME_WWN, | |
901 | QLT_PLOGI_LINK_CONFLICT, | |
902 | QLT_PLOGI_LINK_MAX | |
903 | } qlt_plogi_link_t; | |
904 | ||
905 | typedef struct { | |
906 | struct list_head list; | |
907 | struct imm_ntfy_from_isp iocb; | |
908 | port_id_t id; | |
909 | int ref_count; | |
910 | } qlt_plogi_ack_t; | |
911 | ||
2d70c103 NB |
912 | /* |
913 | * Equivilant to IT Nexus (Initiator-Target) | |
914 | */ | |
915 | struct qla_tgt_sess { | |
916 | uint16_t loop_id; | |
917 | port_id_t s_id; | |
918 | ||
919 | unsigned int conf_compl_supported:1; | |
a6ca8878 | 920 | unsigned int deleted:2; |
2d70c103 | 921 | unsigned int local:1; |
a6ca8878 | 922 | unsigned int logout_on_delete:1; |
a6ca8878 | 923 | unsigned int keep_nport_handle:1; |
71cdc079 | 924 | unsigned int send_els_logo:1; |
a6ca8878 AP |
925 | |
926 | unsigned char logout_completed; | |
2d70c103 | 927 | |
df673274 AP |
928 | int generation; |
929 | ||
2d70c103 NB |
930 | struct se_session *se_sess; |
931 | struct scsi_qla_host *vha; | |
932 | struct qla_tgt *tgt; | |
933 | ||
934 | struct list_head sess_list_entry; | |
935 | unsigned long expires; | |
936 | struct list_head del_list_entry; | |
937 | ||
938 | uint8_t port_name[WWN_SIZE]; | |
939 | struct work_struct free_work; | |
a6ca8878 | 940 | |
b7bd104e | 941 | qlt_plogi_ack_t *plogi_link[QLT_PLOGI_LINK_MAX]; |
2d70c103 NB |
942 | }; |
943 | ||
944 | struct qla_tgt_cmd { | |
f83adb61 | 945 | struct se_cmd se_cmd; |
2d70c103 NB |
946 | struct qla_tgt_sess *sess; |
947 | int state; | |
2d70c103 NB |
948 | struct work_struct free_work; |
949 | struct work_struct work; | |
950 | /* Sense buffer that will be mapped into outgoing status */ | |
951 | unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER]; | |
952 | ||
953 | /* to save extra sess dereferences */ | |
954 | unsigned int conf_compl_supported:1; | |
955 | unsigned int sg_mapped:1; | |
956 | unsigned int free_sg:1; | |
2d70c103 | 957 | unsigned int write_data_transferred:1; |
f83adb61 | 958 | unsigned int ctx_dsd_alloced:1; |
33e79977 QT |
959 | unsigned int q_full:1; |
960 | unsigned int term_exchg:1; | |
d564a372 | 961 | unsigned int cmd_sent_to_fw:1; |
e07f8f65 | 962 | unsigned int cmd_in_wq:1; |
2d70c103 NB |
963 | |
964 | struct scatterlist *sg; /* cmd data buffer SG vector */ | |
965 | int sg_cnt; /* SG segments count */ | |
966 | int bufflen; /* cmd buffer length */ | |
967 | int offset; | |
2d70c103 NB |
968 | uint32_t unpacked_lun; |
969 | enum dma_data_direction dma_data_direction; | |
b6a029e1 | 970 | uint32_t reset_count; |
2d70c103 NB |
971 | |
972 | uint16_t loop_id; /* to save extra sess dereferences */ | |
973 | struct qla_tgt *tgt; /* to save extra sess dereferences */ | |
974 | struct scsi_qla_host *vha; | |
33e79977 | 975 | struct list_head cmd_list; |
2d70c103 NB |
976 | |
977 | struct atio_from_isp atio; | |
f83adb61 QT |
978 | /* t10dif */ |
979 | struct scatterlist *prot_sg; | |
980 | uint32_t prot_sg_cnt; | |
981 | uint32_t blk_sz; | |
982 | struct crc_context *ctx; | |
983 | ||
e07f8f65 SK |
984 | uint64_t jiffies_at_alloc; |
985 | uint64_t jiffies_at_free; | |
986 | /* BIT_0 - Atio Arrival / schedule to work | |
987 | * BIT_1 - qlt_do_work | |
988 | * BIT_2 - qlt_do work failed | |
989 | * BIT_3 - xfer rdy/tcm_qla2xxx_write_pending | |
990 | * BIT_4 - read respond/tcm_qla2xx_queue_data_in | |
991 | * BIT_5 - status respond / tcm_qla2xx_queue_status | |
992 | * BIT_6 - tcm request to abort/Term exchange. | |
993 | * pre_xmit_response->qlt_send_term_exchange | |
994 | * BIT_7 - SRR received (qlt_handle_srr->qlt_xmit_response) | |
995 | * BIT_8 - SRR received (qlt_handle_srr->qlt_rdy_to_xfer) | |
996 | * BIT_9 - SRR received (qla_handle_srr->qlt_send_term_exchange) | |
997 | * BIT_10 - Data in - hanlde_data->tcm_qla2xxx_handle_data | |
998 | * BIT_11 - Data actually going to TCM : tcm_qla2xx_handle_data_work | |
999 | * BIT_12 - good completion - qlt_ctio_do_completion -->free_cmd | |
1000 | * BIT_13 - Bad completion - | |
1001 | * qlt_ctio_do_completion --> qlt_term_ctio_exchange | |
1002 | * BIT_14 - Back end data received/sent. | |
1003 | * BIT_15 - SRR prepare ctio | |
1004 | * BIT_16 - complete free | |
e5fdee87 QT |
1005 | * BIT_17 - flush - qlt_abort_cmd_on_host_reset |
1006 | * BIT_18 - completion w/abort status | |
1007 | * BIT_19 - completion w/unknown status | |
e07f8f65 SK |
1008 | */ |
1009 | uint32_t cmd_flags; | |
2d70c103 NB |
1010 | }; |
1011 | ||
1012 | struct qla_tgt_sess_work_param { | |
1013 | struct list_head sess_works_list_entry; | |
1014 | ||
1015 | #define QLA_TGT_SESS_WORK_ABORT 1 | |
1016 | #define QLA_TGT_SESS_WORK_TM 2 | |
1017 | int type; | |
1018 | ||
1019 | union { | |
1020 | struct abts_recv_from_24xx abts; | |
1021 | struct imm_ntfy_from_isp tm_iocb; | |
1022 | struct atio_from_isp tm_iocb2; | |
1023 | }; | |
1024 | }; | |
1025 | ||
1026 | struct qla_tgt_mgmt_cmd { | |
1027 | uint8_t tmr_func; | |
1028 | uint8_t fc_tm_rsp; | |
1029 | struct qla_tgt_sess *sess; | |
1030 | struct se_cmd se_cmd; | |
1031 | struct work_struct free_work; | |
1032 | unsigned int flags; | |
b6a029e1 | 1033 | uint32_t reset_count; |
2d70c103 NB |
1034 | #define QLA24XX_MGMT_SEND_NACK 1 |
1035 | union { | |
1036 | struct atio_from_isp atio; | |
1037 | struct imm_ntfy_from_isp imm_ntfy; | |
1038 | struct abts_recv_from_24xx abts; | |
1039 | } __packed orig_iocb; | |
1040 | }; | |
1041 | ||
1042 | struct qla_tgt_prm { | |
1043 | struct qla_tgt_cmd *cmd; | |
1044 | struct qla_tgt *tgt; | |
1045 | void *pkt; | |
1046 | struct scatterlist *sg; /* cmd data buffer SG vector */ | |
db3a99b9 | 1047 | unsigned char *sense_buffer; |
2d70c103 NB |
1048 | int seg_cnt; |
1049 | int req_cnt; | |
1050 | uint16_t rq_result; | |
1051 | uint16_t scsi_status; | |
2d70c103 NB |
1052 | int sense_buffer_len; |
1053 | int residual; | |
1054 | int add_status_pkt; | |
f83adb61 QT |
1055 | /* dif */ |
1056 | struct scatterlist *prot_sg; | |
1057 | uint16_t prot_seg_cnt; | |
1058 | uint16_t tot_dsds; | |
2d70c103 NB |
1059 | }; |
1060 | ||
1061 | struct qla_tgt_srr_imm { | |
1062 | struct list_head srr_list_entry; | |
1063 | int srr_id; | |
1064 | struct imm_ntfy_from_isp imm_ntfy; | |
1065 | }; | |
1066 | ||
1067 | struct qla_tgt_srr_ctio { | |
1068 | struct list_head srr_list_entry; | |
1069 | int srr_id; | |
1070 | struct qla_tgt_cmd *cmd; | |
1071 | }; | |
1072 | ||
a6ca8878 AP |
1073 | /* Check for Switch reserved address */ |
1074 | #define IS_SW_RESV_ADDR(_s_id) \ | |
1075 | ((_s_id.b.domain == 0xff) && (_s_id.b.area == 0xfc)) | |
1076 | ||
2d70c103 NB |
1077 | #define QLA_TGT_XMIT_DATA 1 |
1078 | #define QLA_TGT_XMIT_STATUS 2 | |
1079 | #define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA) | |
1080 | ||
2d70c103 NB |
1081 | |
1082 | extern struct qla_tgt_data qla_target; | |
2d70c103 NB |
1083 | |
1084 | /* | |
1085 | * Function prototypes for qla_target.c logic used by qla2xxx LLD code. | |
1086 | */ | |
1087 | extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *); | |
1088 | extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *); | |
49a47f2c NB |
1089 | extern int qlt_lport_register(void *, u64, u64, u64, |
1090 | int (*callback)(struct scsi_qla_host *, void *, u64, u64)); | |
2d70c103 NB |
1091 | extern void qlt_lport_deregister(struct scsi_qla_host *); |
1092 | extern void qlt_unreg_sess(struct qla_tgt_sess *); | |
1093 | extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *); | |
df673274 | 1094 | extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int); |
2d70c103 NB |
1095 | extern int __init qlt_init(void); |
1096 | extern void qlt_exit(void); | |
1097 | extern void qlt_update_vp_map(struct scsi_qla_host *, int); | |
1098 | ||
1099 | /* | |
1100 | * This macro is used during early initializations when host->active_mode | |
1101 | * is not set. Right now, ha value is ignored. | |
1102 | */ | |
1103 | #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED) | |
aa230bc5 | 1104 | extern int ql2x_ini_mode; |
2d70c103 NB |
1105 | |
1106 | static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha) | |
1107 | { | |
1108 | return ha->host->active_mode & MODE_TARGET; | |
1109 | } | |
1110 | ||
1111 | static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha) | |
1112 | { | |
1113 | return ha->host->active_mode & MODE_INITIATOR; | |
1114 | } | |
1115 | ||
1116 | static inline void qla_reverse_ini_mode(struct scsi_qla_host *ha) | |
1117 | { | |
1118 | if (ha->host->active_mode & MODE_INITIATOR) | |
1119 | ha->host->active_mode &= ~MODE_INITIATOR; | |
1120 | else | |
1121 | ha->host->active_mode |= MODE_INITIATOR; | |
1122 | } | |
1123 | ||
8b2f5ff3 SN |
1124 | static inline uint32_t sid_to_key(const uint8_t *s_id) |
1125 | { | |
1126 | uint32_t key; | |
1127 | ||
1128 | key = (((unsigned long)s_id[0] << 16) | | |
1129 | ((unsigned long)s_id[1] << 8) | | |
1130 | (unsigned long)s_id[2]); | |
1131 | return key; | |
1132 | } | |
1133 | ||
71cdc079 AP |
1134 | static inline void sid_to_portid(const uint8_t *s_id, port_id_t *p) |
1135 | { | |
1136 | memset(p, 0, sizeof(*p)); | |
1137 | p->b.domain = s_id[0]; | |
1138 | p->b.area = s_id[1]; | |
1139 | p->b.al_pa = s_id[2]; | |
1140 | } | |
1141 | ||
2d70c103 NB |
1142 | /* |
1143 | * Exported symbols from qla_target.c LLD logic used by qla2xxx code.. | |
1144 | */ | |
2d70c103 NB |
1145 | extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, response_t *); |
1146 | extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *); | |
1147 | extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t); | |
7359df25 | 1148 | extern void qlt_abort_cmd(struct qla_tgt_cmd *); |
2d70c103 NB |
1149 | extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *); |
1150 | extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *); | |
1151 | extern void qlt_free_cmd(struct qla_tgt_cmd *cmd); | |
2d70c103 NB |
1152 | extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *); |
1153 | extern void qlt_enable_vha(struct scsi_qla_host *); | |
1154 | extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *); | |
1155 | extern void qlt_rff_id(struct scsi_qla_host *, struct ct_sns_req *); | |
1156 | extern void qlt_init_atio_q_entries(struct scsi_qla_host *); | |
1157 | extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *); | |
aa230bc5 | 1158 | extern void qlt_24xx_config_rings(struct scsi_qla_host *); |
2d70c103 NB |
1159 | extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *, |
1160 | struct nvram_24xx *); | |
1161 | extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *, | |
1162 | struct init_cb_24xx *); | |
aa230bc5 AE |
1163 | extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *, |
1164 | struct init_cb_81xx *); | |
1165 | extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *, | |
1166 | struct nvram_81xx *); | |
2d70c103 NB |
1167 | extern int qlt_24xx_process_response_error(struct scsi_qla_host *, |
1168 | struct sts_entry_24xx *); | |
1169 | extern void qlt_modify_vp_config(struct scsi_qla_host *, | |
1170 | struct vp_config_entry_24xx *); | |
1171 | extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *); | |
1172 | extern int qlt_mem_alloc(struct qla_hw_data *); | |
1173 | extern void qlt_mem_free(struct qla_hw_data *); | |
3c231bda | 1174 | extern int qlt_stop_phase1(struct qla_tgt *); |
2d70c103 | 1175 | extern void qlt_stop_phase2(struct qla_tgt *); |
aa230bc5 AE |
1176 | extern irqreturn_t qla83xx_msix_atio_q(int, void *); |
1177 | extern void qlt_83xx_iospace_config(struct qla_hw_data *); | |
33e79977 | 1178 | extern int qlt_free_qfull_cmds(struct scsi_qla_host *); |
a6ca8878 | 1179 | extern void qlt_logo_completion_handler(fc_port_t *, int); |
df673274 | 1180 | extern void qlt_do_generation_tick(struct scsi_qla_host *, int *); |
2d70c103 NB |
1181 | |
1182 | #endif /* __QLA_TARGET_H */ |