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scsi: smartpqi: Update copyright notices
[linux-2.6-block.git] / drivers / scsi / smartpqi / smartpqi.h
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2cc37b15 1/* SPDX-License-Identifier: GPL-2.0 */
6c223761 2/*
889653ec
KB		 3 * driver for Microchip PQI-based storage controllers
4 * Copyright (c) 2019-2021 Microchip Technology Inc. and its subsidiaries
2f4c4b92 5 * Copyright (c) 2016-2018 Microsemi Corporation
6c223761
KB		 6 * Copyright (c) 2016 PMC-Sierra, Inc.
7 *
2f4c4b92 8 * Questions/Comments/Bugfixes to storagedev@microchip.com
6c223761
KB		 9 *
10 */
11
ebaec8e3
CL		 12#include <linux/io-64-nonatomic-lo-hi.h>
13
6c223761
KB		 14#if !defined(_SMARTPQI_H)
15#define _SMARTPQI_H
16
3d46a59a
DB		 17#include <scsi/scsi_host.h>
18#include <linux/bsg-lib.h>
19
6c223761
KB		 20#pragma pack(1)
21
22#define PQI_DEVICE_SIGNATURE "PQI DREG"
23
24/* This structure is defined by the PQI specification. */
25struct pqi_device_registers {
26 __le64 signature;
27 u8 function_and_status_code;
28 u8 reserved[7];
29 u8 max_admin_iq_elements;
30 u8 max_admin_oq_elements;
31 u8 admin_iq_element_length; /* in 16-byte units */
32 u8 admin_oq_element_length; /* in 16-byte units */
33 __le16 max_reset_timeout; /* in 100-millisecond units */
34 u8 reserved1[2];
35 __le32 legacy_intx_status;
36 __le32 legacy_intx_mask_set;
37 __le32 legacy_intx_mask_clear;
38 u8 reserved2[28];
39 __le32 device_status;
40 u8 reserved3[4];
41 __le64 admin_iq_pi_offset;
42 __le64 admin_oq_ci_offset;
43 __le64 admin_iq_element_array_addr;
44 __le64 admin_oq_element_array_addr;
45 __le64 admin_iq_ci_addr;
46 __le64 admin_oq_pi_addr;
47 u8 admin_iq_num_elements;
48 u8 admin_oq_num_elements;
49 __le16 admin_queue_int_msg_num;
50 u8 reserved4[4];
51 __le32 device_error;
52 u8 reserved5[4];
53 __le64 error_details;
54 __le32 device_reset;
55 __le32 power_action;
56 u8 reserved6[104];
57};
58
59/*
60 * controller registers
61 *
889653ec 62 * These are defined by the Microchip implementation.
6c223761
KB		 63 *
64 * Some registers (those named sis_*) are only used when in
65 * legacy SIS mode before we transition the controller into
66 * PQI mode. There are a number of other SIS mode registers,
67 * but we don't use them, so only the SIS registers that we
68 * care about are defined here. The offsets mentioned in the
69 * comments are the offsets from the PCIe BAR 0.
70 */
71struct pqi_ctrl_registers {
72 u8 reserved[0x20];
73 __le32 sis_host_to_ctrl_doorbell; /* 20h */
74 u8 reserved1[0x34 - (0x20 + sizeof(__le32))];
75 __le32 sis_interrupt_mask; /* 34h */
76 u8 reserved2[0x9c - (0x34 + sizeof(__le32))];
77 __le32 sis_ctrl_to_host_doorbell; /* 9Ch */
78 u8 reserved3[0xa0 - (0x9c + sizeof(__le32))];
79 __le32 sis_ctrl_to_host_doorbell_clear; /* A0h */
ff6abb73
KB		 80 u8 reserved4[0xb0 - (0xa0 + sizeof(__le32))];
81 __le32 sis_driver_scratch; /* B0h */
2708a256
KB		 82 __le32 sis_product_identifier; /* B4h */
83 u8 reserved5[0xbc - (0xb4 + sizeof(__le32))];
6c223761 84 __le32 sis_firmware_status; /* BCh */
ff6abb73 85 u8 reserved6[0x1000 - (0xbc + sizeof(__le32))];
6c223761 86 __le32 sis_mailbox[8]; /* 1000h */
ff6abb73 87 u8 reserved7[0x4000 - (0x1000 + (sizeof(__le32) * 8))];
6c223761
KB		 88 /*
89 * The PQI spec states that the PQI registers should be at
90 * offset 0 from the PCIe BAR 0. However, we can't map
91 * them at offset 0 because that would break compatibility
92 * with the SIS registers. So we map them at offset 4000h.
93 */
94 struct pqi_device_registers pqi_registers; /* 4000h */
95};
96
4fd22c13
MR		 97#if ((HZ) < 1000)
98#define PQI_HZ 1000
99#else
100#define PQI_HZ (HZ)
101#endif
102
6c223761
KB		 103#define PQI_DEVICE_REGISTERS_OFFSET 0x4000
104
105enum pqi_io_path {
106 RAID_PATH = 0,
107 AIO_PATH = 1
108};
109
061ef06a
KB		 110enum pqi_irq_mode {
111 IRQ_MODE_NONE,
112 IRQ_MODE_INTX,
113 IRQ_MODE_MSIX
114};
115
6c223761
KB		 116struct pqi_sg_descriptor {
117 __le64 address;
118 __le32 length;
119 __le32 flags;
120};
121
122/* manifest constants for the flags field of pqi_sg_descriptor */
123#define CISS_SG_LAST 0x40000000
124#define CISS_SG_CHAIN 0x80000000
125
126struct pqi_iu_header {
127 u8 iu_type;
128 u8 reserved;
129 __le16 iu_length; /* in bytes - does not include the length */
130 /* of this header */
131 __le16 response_queue_id; /* specifies the OQ where the */
583891c9 132 /* response IU is to be delivered */
ae0c189d 133 u16 driver_flags; /* reserved for driver use */
6c223761
KB		 134};
135
ae0c189d
KB		 136/* manifest constants for pqi_iu_header.driver_flags */
137#define PQI_DRIVER_NONBLOCKABLE_REQUEST 0x1
138
6c223761
KB		 139/*
140 * According to the PQI spec, the IU header is only the first 4 bytes of our
141 * pqi_iu_header structure.
142 */
143#define PQI_REQUEST_HEADER_LENGTH 4
144
145struct pqi_general_admin_request {
146 struct pqi_iu_header header;
147 __le16 request_id;
148 u8 function_code;
149 union {
150 struct {
151 u8 reserved[33];
152 __le32 buffer_length;
153 struct pqi_sg_descriptor sg_descriptor;
154 } report_device_capability;
155
156 struct {
157 u8 reserved;
158 __le16 queue_id;
159 u8 reserved1[2];
160 __le64 element_array_addr;
161 __le64 ci_addr;
162 __le16 num_elements;
163 __le16 element_length;
164 u8 queue_protocol;
165 u8 reserved2[23];
166 __le32 vendor_specific;
167 } create_operational_iq;
168
169 struct {
170 u8 reserved;
171 __le16 queue_id;
172 u8 reserved1[2];
173 __le64 element_array_addr;
174 __le64 pi_addr;
175 __le16 num_elements;
176 __le16 element_length;
177 u8 queue_protocol;
178 u8 reserved2[3];
179 __le16 int_msg_num;
180 __le16 coalescing_count;
181 __le32 min_coalescing_time;
182 __le32 max_coalescing_time;
183 u8 reserved3[8];
184 __le32 vendor_specific;
185 } create_operational_oq;
186
187 struct {
188 u8 reserved;
189 __le16 queue_id;
190 u8 reserved1[50];
191 } delete_operational_queue;
192
193 struct {
194 u8 reserved;
195 __le16 queue_id;
196 u8 reserved1[46];
197 __le32 vendor_specific;
198 } change_operational_iq_properties;
199
200 } data;
201};
202
203struct pqi_general_admin_response {
204 struct pqi_iu_header header;
205 __le16 request_id;
206 u8 function_code;
207 u8 status;
208 union {
209 struct {
210 u8 status_descriptor[4];
211 __le64 iq_pi_offset;
212 u8 reserved[40];
213 } create_operational_iq;
214
215 struct {
216 u8 status_descriptor[4];
217 __le64 oq_ci_offset;
218 u8 reserved[40];
219 } create_operational_oq;
220 } data;
221};
222
223struct pqi_iu_layer_descriptor {
224 u8 inbound_spanning_supported : 1;
225 u8 reserved : 7;
226 u8 reserved1[5];
227 __le16 max_inbound_iu_length;
228 u8 outbound_spanning_supported : 1;
229 u8 reserved2 : 7;
230 u8 reserved3[5];
231 __le16 max_outbound_iu_length;
232};
233
234struct pqi_device_capability {
235 __le16 data_length;
236 u8 reserved[6];
237 u8 iq_arbitration_priority_support_bitmask;
238 u8 maximum_aw_a;
239 u8 maximum_aw_b;
240 u8 maximum_aw_c;
241 u8 max_arbitration_burst : 3;
242 u8 reserved1 : 4;
243 u8 iqa : 1;
244 u8 reserved2[2];
245 u8 iq_freeze : 1;
246 u8 reserved3 : 7;
247 __le16 max_inbound_queues;
248 __le16 max_elements_per_iq;
249 u8 reserved4[4];
250 __le16 max_iq_element_length;
251 __le16 min_iq_element_length;
252 u8 reserved5[2];
253 __le16 max_outbound_queues;
254 __le16 max_elements_per_oq;
255 __le16 intr_coalescing_time_granularity;
256 __le16 max_oq_element_length;
257 __le16 min_oq_element_length;
258 u8 reserved6[24];
259 struct pqi_iu_layer_descriptor iu_layer_descriptors[32];
260};
261
262#define PQI_MAX_EMBEDDED_SG_DESCRIPTORS 4
6702d2c4 263#define PQI_MAX_EMBEDDED_R56_SG_DESCRIPTORS 3
6c223761
KB		 264
265struct pqi_raid_path_request {
266 struct pqi_iu_header header;
267 __le16 request_id;
268 __le16 nexus_id;
269 __le32 buffer_length;
270 u8 lun_number[8];
271 __le16 protocol_specific;
272 u8 data_direction : 2;
273 u8 partial : 1;
274 u8 reserved1 : 4;
275 u8 fence : 1;
276 __le16 error_index;
277 u8 reserved2;
278 u8 task_attribute : 3;
279 u8 command_priority : 4;
280 u8 reserved3 : 1;
281 u8 reserved4 : 2;
282 u8 additional_cdb_bytes_usage : 3;
283 u8 reserved5 : 3;
21432010 284 u8 cdb[16];
285 u8 reserved6[12];
286 __le32 timeout;
583891c9 287 struct pqi_sg_descriptor sg_descriptors[PQI_MAX_EMBEDDED_SG_DESCRIPTORS];
6c223761
KB		 288};
289
290struct pqi_aio_path_request {
291 struct pqi_iu_header header;
292 __le16 request_id;
293 u8 reserved1[2];
294 __le32 nexus_id;
295 __le32 buffer_length;
296 u8 data_direction : 2;
297 u8 partial : 1;
298 u8 memory_type : 1;
299 u8 fence : 1;
300 u8 encryption_enable : 1;
301 u8 reserved2 : 2;
302 u8 task_attribute : 3;
303 u8 command_priority : 4;
304 u8 reserved3 : 1;
305 __le16 data_encryption_key_index;
306 __le32 encrypt_tweak_lower;
307 __le32 encrypt_tweak_upper;
308 u8 cdb[16];
309 __le16 error_index;
310 u8 num_sg_descriptors;
311 u8 cdb_length;
312 u8 lun_number[8];
313 u8 reserved4[4];
583891c9 314 struct pqi_sg_descriptor sg_descriptors[PQI_MAX_EMBEDDED_SG_DESCRIPTORS];
6c223761
KB		 315};
316
7a012c23 317#define PQI_RAID1_NVME_XFER_LIMIT (32 * 1024) /* 32 KiB */
583891c9 318
7a012c23
DB		 319struct pqi_aio_r1_path_request {
320 struct pqi_iu_header header;
321 __le16 request_id;
322 __le16 volume_id; /* ID of the RAID volume */
323 __le32 it_nexus_1; /* IT nexus of the 1st drive in the RAID volume */
324 __le32 it_nexus_2; /* IT nexus of the 2nd drive in the RAID volume */
325 __le32 it_nexus_3; /* IT nexus of the 3rd drive in the RAID volume */
326 __le32 data_length; /* total bytes to read/write */
327 u8 data_direction : 2;
328 u8 partial : 1;
329 u8 memory_type : 1;
330 u8 fence : 1;
331 u8 encryption_enable : 1;
332 u8 reserved : 2;
333 u8 task_attribute : 3;
334 u8 command_priority : 4;
335 u8 reserved2 : 1;
336 __le16 data_encryption_key_index;
337 u8 cdb[16];
338 __le16 error_index;
339 u8 num_sg_descriptors;
340 u8 cdb_length;
341 u8 num_drives; /* number of drives in the RAID volume (2 or 3) */
342 u8 reserved3[3];
343 __le32 encrypt_tweak_lower;
344 __le32 encrypt_tweak_upper;
345 struct pqi_sg_descriptor sg_descriptors[PQI_MAX_EMBEDDED_SG_DESCRIPTORS];
346};
347
f6cc2a77
KB		 348#define PQI_DEFAULT_MAX_WRITE_RAID_5_6 (8 * 1024U)
349#define PQI_DEFAULT_MAX_TRANSFER_ENCRYPTED_SAS_SATA (~0U)
350#define PQI_DEFAULT_MAX_TRANSFER_ENCRYPTED_NVME (32 * 1024U)
351
6702d2c4
DB		 352struct pqi_aio_r56_path_request {
353 struct pqi_iu_header header;
354 __le16 request_id;
355 __le16 volume_id; /* ID of the RAID volume */
356 __le32 data_it_nexus; /* IT nexus for the data drive */
357 __le32 p_parity_it_nexus; /* IT nexus for the P parity drive */
358 __le32 q_parity_it_nexus; /* IT nexus for the Q parity drive */
359 __le32 data_length; /* total bytes to read/write */
360 u8 data_direction : 2;
361 u8 partial : 1;
362 u8 mem_type : 1; /* 0 = PCIe, 1 = DDR */
363 u8 fence : 1;
364 u8 encryption_enable : 1;
365 u8 reserved : 2;
366 u8 task_attribute : 3;
367 u8 command_priority : 4;
368 u8 reserved1 : 1;
369 __le16 data_encryption_key_index;
370 u8 cdb[16];
371 __le16 error_index;
372 u8 num_sg_descriptors;
373 u8 cdb_length;
374 u8 xor_multiplier;
375 u8 reserved2[3];
376 __le32 encrypt_tweak_lower;
377 __le32 encrypt_tweak_upper;
378 __le64 row; /* row = logical LBA/blocks per row */
379 u8 reserved3[8];
380 struct pqi_sg_descriptor sg_descriptors[PQI_MAX_EMBEDDED_R56_SG_DESCRIPTORS];
381};
382
6c223761
KB		 383struct pqi_io_response {
384 struct pqi_iu_header header;
385 __le16 request_id;
386 __le16 error_index;
387 u8 reserved2[4];
388};
389
390struct pqi_general_management_request {
391 struct pqi_iu_header header;
392 __le16 request_id;
393 union {
394 struct {
395 u8 reserved[2];
396 __le32 buffer_length;
397 struct pqi_sg_descriptor sg_descriptors[3];
398 } report_event_configuration;
399
400 struct {
401 __le16 global_event_oq_id;
402 __le32 buffer_length;
403 struct pqi_sg_descriptor sg_descriptors[3];
404 } set_event_configuration;
405 } data;
406};
407
408struct pqi_event_descriptor {
409 u8 event_type;
410 u8 reserved;
411 __le16 oq_id;
412};
413
414struct pqi_event_config {
415 u8 reserved[2];
416 u8 num_event_descriptors;
417 u8 reserved1;
418 struct pqi_event_descriptor descriptors[1];
419};
420
421#define PQI_MAX_EVENT_DESCRIPTORS 255
422
4fd22c13
MR		 423#define PQI_EVENT_OFA_MEMORY_ALLOCATION 0x0
424#define PQI_EVENT_OFA_QUIESCE 0x1
583891c9 425#define PQI_EVENT_OFA_CANCELED 0x2
4fd22c13 426
6c223761
KB		 427struct pqi_event_response {
428 struct pqi_iu_header header;
429 u8 event_type;
430 u8 reserved2 : 7;
9e68cccc 431 u8 request_acknowledge : 1;
6c223761
KB		 432 __le16 event_id;
433 __le32 additional_event_id;
4fd22c13
MR		 434 union {
435 struct {
436 __le32 bytes_requested;
437 u8 reserved[12];
438 } ofa_memory_allocation;
439
440 struct {
441 __le16 reason; /* reason for cancellation */
442 u8 reserved[14];
443 } ofa_cancelled;
444 } data;
6c223761
KB		 445};
446
447struct pqi_event_acknowledge_request {
448 struct pqi_iu_header header;
449 u8 event_type;
450 u8 reserved2;
451 __le16 event_id;
452 __le32 additional_event_id;
453};
454
455struct pqi_task_management_request {
456 struct pqi_iu_header header;
457 __le16 request_id;
458 __le16 nexus_id;
c2922f17
MB		 459 u8 reserved[2];
460 __le16 timeout;
6c223761
KB		 461 u8 lun_number[8];
462 __le16 protocol_specific;
463 __le16 outbound_queue_id_to_manage;
464 __le16 request_id_to_manage;
465 u8 task_management_function;
466 u8 reserved2 : 7;
467 u8 fence : 1;
468};
469
470#define SOP_TASK_MANAGEMENT_LUN_RESET 0x8
6c223761
KB		 471
472struct pqi_task_management_response {
473 struct pqi_iu_header header;
474 __le16 request_id;
475 __le16 nexus_id;
476 u8 additional_response_info[3];
477 u8 response_code;
478};
479
b212c251
KB		 480struct pqi_vendor_general_request {
481 struct pqi_iu_header header;
482 __le16 request_id;
483 __le16 function_code;
484 union {
485 struct {
486 __le16 first_section;
487 __le16 last_section;
488 u8 reserved[48];
489 } config_table_update;
490
491 struct {
492 __le64 buffer_address;
493 __le32 buffer_length;
494 u8 reserved[40];
495 } ofa_memory_allocation;
496 } data;
497};
498
499struct pqi_vendor_general_response {
500 struct pqi_iu_header header;
501 __le16 request_id;
502 __le16 function_code;
503 __le16 status;
504 u8 reserved[2];
505};
506
507#define PQI_VENDOR_GENERAL_CONFIG_TABLE_UPDATE 0
4fd22c13
MR		 508#define PQI_VENDOR_GENERAL_HOST_MEMORY_UPDATE 1
509
510#define PQI_OFA_VERSION 1
511#define PQI_OFA_SIGNATURE "OFA_QRM"
512#define PQI_OFA_MAX_SG_DESCRIPTORS 64
513
4fd22c13
MR		 514struct pqi_ofa_memory {
515 __le64 signature; /* "OFA_QRM" */
694c5d5b 516 __le16 version; /* version of this struct (1 = 1st version) */
4fd22c13
MR		 517 u8 reserved[62];
518 __le32 bytes_allocated; /* total allocated memory in bytes */
519 __le16 num_memory_descriptors;
520 u8 reserved1[2];
2790cd4d 521 struct pqi_sg_descriptor sg_descriptor[PQI_OFA_MAX_SG_DESCRIPTORS];
4fd22c13 522};
b212c251 523
6c223761
KB		 524struct pqi_aio_error_info {
525 u8 status;
526 u8 service_response;
527 u8 data_present;
528 u8 reserved;
529 __le32 residual_count;
530 __le16 data_length;
531 __le16 reserved1;
532 u8 data[256];
533};
534
535struct pqi_raid_error_info {
536 u8 data_in_result;
537 u8 data_out_result;
538 u8 reserved[3];
539 u8 status;
540 __le16 status_qualifier;
541 __le16 sense_data_length;
542 __le16 response_data_length;
543 __le32 data_in_transferred;
544 __le32 data_out_transferred;
545 u8 data[256];
546};
547
548#define PQI_REQUEST_IU_TASK_MANAGEMENT 0x13
549#define PQI_REQUEST_IU_RAID_PATH_IO 0x14
550#define PQI_REQUEST_IU_AIO_PATH_IO 0x15
6702d2c4
DB		 551#define PQI_REQUEST_IU_AIO_PATH_RAID5_IO 0x18
552#define PQI_REQUEST_IU_AIO_PATH_RAID6_IO 0x19
7a012c23 553#define PQI_REQUEST_IU_AIO_PATH_RAID1_IO 0x1A
6c223761
KB		 554#define PQI_REQUEST_IU_GENERAL_ADMIN 0x60
555#define PQI_REQUEST_IU_REPORT_VENDOR_EVENT_CONFIG 0x72
556#define PQI_REQUEST_IU_SET_VENDOR_EVENT_CONFIG 0x73
b212c251 557#define PQI_REQUEST_IU_VENDOR_GENERAL 0x75
6c223761
KB		 558#define PQI_REQUEST_IU_ACKNOWLEDGE_VENDOR_EVENT 0xf6
559
560#define PQI_RESPONSE_IU_GENERAL_MANAGEMENT 0x81
561#define PQI_RESPONSE_IU_TASK_MANAGEMENT 0x93
562#define PQI_RESPONSE_IU_GENERAL_ADMIN 0xe0
563#define PQI_RESPONSE_IU_RAID_PATH_IO_SUCCESS 0xf0
564#define PQI_RESPONSE_IU_AIO_PATH_IO_SUCCESS 0xf1
565#define PQI_RESPONSE_IU_RAID_PATH_IO_ERROR 0xf2
566#define PQI_RESPONSE_IU_AIO_PATH_IO_ERROR 0xf3
567#define PQI_RESPONSE_IU_AIO_PATH_DISABLED 0xf4
568#define PQI_RESPONSE_IU_VENDOR_EVENT 0xf5
b212c251 569#define PQI_RESPONSE_IU_VENDOR_GENERAL 0xf7
6c223761
KB		 570
571#define PQI_GENERAL_ADMIN_FUNCTION_REPORT_DEVICE_CAPABILITY 0x0
572#define PQI_GENERAL_ADMIN_FUNCTION_CREATE_IQ 0x10
573#define PQI_GENERAL_ADMIN_FUNCTION_CREATE_OQ 0x11
574#define PQI_GENERAL_ADMIN_FUNCTION_DELETE_IQ 0x12
575#define PQI_GENERAL_ADMIN_FUNCTION_DELETE_OQ 0x13
576#define PQI_GENERAL_ADMIN_FUNCTION_CHANGE_IQ_PROPERTY 0x14
577
578#define PQI_GENERAL_ADMIN_STATUS_SUCCESS 0x0
579
580#define PQI_IQ_PROPERTY_IS_AIO_QUEUE 0x1
581
582#define PQI_GENERAL_ADMIN_IU_LENGTH 0x3c
583#define PQI_PROTOCOL_SOP 0x0
584
585#define PQI_DATA_IN_OUT_GOOD 0x0
586#define PQI_DATA_IN_OUT_UNDERFLOW 0x1
587#define PQI_DATA_IN_OUT_BUFFER_ERROR 0x40
588#define PQI_DATA_IN_OUT_BUFFER_OVERFLOW 0x41
589#define PQI_DATA_IN_OUT_BUFFER_OVERFLOW_DESCRIPTOR_AREA 0x42
590#define PQI_DATA_IN_OUT_BUFFER_OVERFLOW_BRIDGE 0x43
591#define PQI_DATA_IN_OUT_PCIE_FABRIC_ERROR 0x60
592#define PQI_DATA_IN_OUT_PCIE_COMPLETION_TIMEOUT 0x61
593#define PQI_DATA_IN_OUT_PCIE_COMPLETER_ABORT_RECEIVED 0x62
594#define PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST_RECEIVED 0x63
595#define PQI_DATA_IN_OUT_PCIE_ECRC_CHECK_FAILED 0x64
596#define PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST 0x65
597#define PQI_DATA_IN_OUT_PCIE_ACS_VIOLATION 0x66
598#define PQI_DATA_IN_OUT_PCIE_TLP_PREFIX_BLOCKED 0x67
599#define PQI_DATA_IN_OUT_PCIE_POISONED_MEMORY_READ 0x6F
600#define PQI_DATA_IN_OUT_ERROR 0xf0
601#define PQI_DATA_IN_OUT_PROTOCOL_ERROR 0xf1
602#define PQI_DATA_IN_OUT_HARDWARE_ERROR 0xf2
603#define PQI_DATA_IN_OUT_UNSOLICITED_ABORT 0xf3
604#define PQI_DATA_IN_OUT_ABORTED 0xf4
605#define PQI_DATA_IN_OUT_TIMEOUT 0xf5
606
607#define CISS_CMD_STATUS_SUCCESS 0x0
608#define CISS_CMD_STATUS_TARGET_STATUS 0x1
609#define CISS_CMD_STATUS_DATA_UNDERRUN 0x2
610#define CISS_CMD_STATUS_DATA_OVERRUN 0x3
611#define CISS_CMD_STATUS_INVALID 0x4
612#define CISS_CMD_STATUS_PROTOCOL_ERROR 0x5
613#define CISS_CMD_STATUS_HARDWARE_ERROR 0x6
614#define CISS_CMD_STATUS_CONNECTION_LOST 0x7
615#define CISS_CMD_STATUS_ABORTED 0x8
616#define CISS_CMD_STATUS_ABORT_FAILED 0x9
617#define CISS_CMD_STATUS_UNSOLICITED_ABORT 0xa
618#define CISS_CMD_STATUS_TIMEOUT 0xb
619#define CISS_CMD_STATUS_UNABORTABLE 0xc
620#define CISS_CMD_STATUS_TMF 0xd
621#define CISS_CMD_STATUS_AIO_DISABLED 0xe
622
26b390ab
KB		 623#define PQI_CMD_STATUS_ABORTED CISS_CMD_STATUS_ABORTED
624
6c223761
KB		 625#define PQI_NUM_EVENT_QUEUE_ELEMENTS 32
626#define PQI_EVENT_OQ_ELEMENT_LENGTH sizeof(struct pqi_event_response)
627
628#define PQI_EVENT_TYPE_HOTPLUG 0x1
629#define PQI_EVENT_TYPE_HARDWARE 0x2
630#define PQI_EVENT_TYPE_PHYSICAL_DEVICE 0x4
631#define PQI_EVENT_TYPE_LOGICAL_DEVICE 0x5
4fd22c13 632#define PQI_EVENT_TYPE_OFA 0xfb
6c223761
KB		 633#define PQI_EVENT_TYPE_AIO_STATE_CHANGE 0xfd
634#define PQI_EVENT_TYPE_AIO_CONFIG_CHANGE 0xfe
6c223761
KB		 635
636#pragma pack()
637
638#define PQI_ERROR_BUFFER_ELEMENT_LENGTH \
639 sizeof(struct pqi_raid_error_info)
640
641/* these values are based on our implementation */
642#define PQI_ADMIN_IQ_NUM_ELEMENTS 8
643#define PQI_ADMIN_OQ_NUM_ELEMENTS 20
644#define PQI_ADMIN_IQ_ELEMENT_LENGTH 64
645#define PQI_ADMIN_OQ_ELEMENT_LENGTH 64
646
647#define PQI_OPERATIONAL_IQ_ELEMENT_LENGTH 128
648#define PQI_OPERATIONAL_OQ_ELEMENT_LENGTH 16
649
650#define PQI_MIN_MSIX_VECTORS 1
651#define PQI_MAX_MSIX_VECTORS 64
652
653/* these values are defined by the PQI spec */
654#define PQI_MAX_NUM_ELEMENTS_ADMIN_QUEUE 255
655#define PQI_MAX_NUM_ELEMENTS_OPERATIONAL_QUEUE 65535
2708a256 656
6c223761
KB		 657#define PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT 64
658#define PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT 16
659#define PQI_ADMIN_INDEX_ALIGNMENT 64
660#define PQI_OPERATIONAL_INDEX_ALIGNMENT 4
661
662#define PQI_MIN_OPERATIONAL_QUEUE_ID 1
663#define PQI_MAX_OPERATIONAL_QUEUE_ID 65535
664
665#define PQI_AIO_SERV_RESPONSE_COMPLETE 0
666#define PQI_AIO_SERV_RESPONSE_FAILURE 1
667#define PQI_AIO_SERV_RESPONSE_TMF_COMPLETE 2
668#define PQI_AIO_SERV_RESPONSE_TMF_SUCCEEDED 3
669#define PQI_AIO_SERV_RESPONSE_TMF_REJECTED 4
670#define PQI_AIO_SERV_RESPONSE_TMF_INCORRECT_LUN 5
671
672#define PQI_AIO_STATUS_IO_ERROR 0x1
673#define PQI_AIO_STATUS_IO_ABORTED 0x2
674#define PQI_AIO_STATUS_NO_PATH_TO_DEVICE 0x3
675#define PQI_AIO_STATUS_INVALID_DEVICE 0x4
676#define PQI_AIO_STATUS_AIO_PATH_DISABLED 0xe
677#define PQI_AIO_STATUS_UNDERRUN 0x51
678#define PQI_AIO_STATUS_OVERRUN 0x75
679
680typedef u32 pqi_index_t;
681
682/* SOP data direction flags */
683#define SOP_NO_DIRECTION_FLAG 0
684#define SOP_WRITE_FLAG 1 /* host writes data to Data-Out */
685 /* buffer */
686#define SOP_READ_FLAG 2 /* host receives data from Data-In */
687 /* buffer */
688#define SOP_BIDIRECTIONAL 3 /* data is transferred from the */
689 /* Data-Out buffer and data is */
690 /* transferred to the Data-In buffer */
691
692#define SOP_TASK_ATTRIBUTE_SIMPLE 0
693#define SOP_TASK_ATTRIBUTE_HEAD_OF_QUEUE 1
694#define SOP_TASK_ATTRIBUTE_ORDERED 2
695#define SOP_TASK_ATTRIBUTE_ACA 4
696
b17f0486 697#define SOP_TMF_COMPLETE 0x0
3406384b 698#define SOP_TMF_REJECTED 0x4
b17f0486 699#define SOP_TMF_FUNCTION_SUCCEEDED 0x8
6c223761
KB		 700
701/* additional CDB bytes usage field codes */
702#define SOP_ADDITIONAL_CDB_BYTES_0 0 /* 16-byte CDB */
703#define SOP_ADDITIONAL_CDB_BYTES_4 1 /* 20-byte CDB */
704#define SOP_ADDITIONAL_CDB_BYTES_8 2 /* 24-byte CDB */
705#define SOP_ADDITIONAL_CDB_BYTES_12 3 /* 28-byte CDB */
706#define SOP_ADDITIONAL_CDB_BYTES_16 4 /* 32-byte CDB */
707
708/*
709 * The purpose of this structure is to obtain proper alignment of objects in
710 * an admin queue pair.
711 */
712struct pqi_admin_queues_aligned {
713 __aligned(PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT)
714 u8 iq_element_array[PQI_ADMIN_IQ_ELEMENT_LENGTH]
715 [PQI_ADMIN_IQ_NUM_ELEMENTS];
716 __aligned(PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT)
717 u8 oq_element_array[PQI_ADMIN_OQ_ELEMENT_LENGTH]
718 [PQI_ADMIN_OQ_NUM_ELEMENTS];
719 __aligned(PQI_ADMIN_INDEX_ALIGNMENT) pqi_index_t iq_ci;
720 __aligned(PQI_ADMIN_INDEX_ALIGNMENT) pqi_index_t oq_pi;
721};
722
723struct pqi_admin_queues {
724 void *iq_element_array;
725 void *oq_element_array;
583891c9 726 pqi_index_t __iomem *iq_ci;
dac12fbc 727 pqi_index_t __iomem *oq_pi;
6c223761
KB		 728 dma_addr_t iq_element_array_bus_addr;
729 dma_addr_t oq_element_array_bus_addr;
730 dma_addr_t iq_ci_bus_addr;
731 dma_addr_t oq_pi_bus_addr;
732 __le32 __iomem *iq_pi;
733 pqi_index_t iq_pi_copy;
734 __le32 __iomem *oq_ci;
735 pqi_index_t oq_ci_copy;
736 struct task_struct *task;
737 u16 int_msg_num;
738};
739
740struct pqi_queue_group {
741 struct pqi_ctrl_info *ctrl_info; /* backpointer */
742 u16 iq_id[2];
743 u16 oq_id;
744 u16 int_msg_num;
745 void *iq_element_array[2];
746 void *oq_element_array;
747 dma_addr_t iq_element_array_bus_addr[2];
748 dma_addr_t oq_element_array_bus_addr;
749 __le32 __iomem *iq_pi[2];
750 pqi_index_t iq_pi_copy[2];
583891c9
KB		 751 pqi_index_t __iomem *iq_ci[2];
752 pqi_index_t __iomem *oq_pi;
6c223761
KB		 753 dma_addr_t iq_ci_bus_addr[2];
754 dma_addr_t oq_pi_bus_addr;
755 __le32 __iomem *oq_ci;
756 pqi_index_t oq_ci_copy;
757 spinlock_t submit_lock[2]; /* protect submission queue */
758 struct list_head request_list[2];
759};
760
761struct pqi_event_queue {
762 u16 oq_id;
763 u16 int_msg_num;
764 void *oq_element_array;
583891c9 765 pqi_index_t __iomem *oq_pi;
6c223761
KB		 766 dma_addr_t oq_element_array_bus_addr;
767 dma_addr_t oq_pi_bus_addr;
768 __le32 __iomem *oq_ci;
769 pqi_index_t oq_ci_copy;
770};
771
772#define PQI_DEFAULT_QUEUE_GROUP 0
773#define PQI_MAX_QUEUE_GROUPS PQI_MAX_MSIX_VECTORS
774
775struct pqi_encryption_info {
776 u16 data_encryption_key_index;
777 u32 encrypt_tweak_lower;
778 u32 encrypt_tweak_upper;
779};
780
98f87667
KB		 781#pragma pack(1)
782
783#define PQI_CONFIG_TABLE_SIGNATURE "CFGTABLE"
784#define PQI_CONFIG_TABLE_MAX_LENGTH ((u16)~0)
785
786/* configuration table section IDs */
b212c251 787#define PQI_CONFIG_TABLE_ALL_SECTIONS (-1)
98f87667
KB		 788#define PQI_CONFIG_TABLE_SECTION_GENERAL_INFO 0
789#define PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES 1
790#define PQI_CONFIG_TABLE_SECTION_FIRMWARE_ERRATA 2
791#define PQI_CONFIG_TABLE_SECTION_DEBUG 3
792#define PQI_CONFIG_TABLE_SECTION_HEARTBEAT 4
4fd22c13 793#define PQI_CONFIG_TABLE_SECTION_SOFT_RESET 5
98f87667
KB		 794
795struct pqi_config_table {
796 u8 signature[8]; /* "CFGTABLE" */
797 __le32 first_section_offset; /* offset in bytes from the base */
798 /* address of this table to the */
799 /* first section */
800};
801
802struct pqi_config_table_section_header {
803 __le16 section_id; /* as defined by the */
804 /* PQI_CONFIG_TABLE_SECTION_* */
805 /* manifest constants above */
806 __le16 next_section_offset; /* offset in bytes from base */
807 /* address of the table of the */
808 /* next section or 0 if last entry */
809};
810
811struct pqi_config_table_general_info {
812 struct pqi_config_table_section_header header;
813 __le32 section_length; /* size of this section in bytes */
814 /* including the section header */
815 __le32 max_outstanding_requests; /* max. outstanding */
816 /* commands supported by */
817 /* the controller */
818 __le32 max_sg_size; /* max. transfer size of a single */
819 /* command */
820 __le32 max_sg_per_request; /* max. number of scatter-gather */
821 /* entries supported in a single */
822 /* command */
823};
824
b212c251
KB		 825struct pqi_config_table_firmware_features {
826 struct pqi_config_table_section_header header;
827 __le16 num_elements;
828 u8 features_supported[];
829/* u8 features_requested_by_host[]; */
830/* u8 features_enabled[]; */
f6cc2a77
KB		 831/* The 2 fields below are only valid if the MAX_KNOWN_FEATURE bit is set. */
832/* __le16 firmware_max_known_feature; */
833/* __le16 host_max_known_feature; */
b212c251
KB		 834};
835
583891c9
KB		 836#define PQI_FIRMWARE_FEATURE_OFA 0
837#define PQI_FIRMWARE_FEATURE_SMP 1
838#define PQI_FIRMWARE_FEATURE_MAX_KNOWN_FEATURE 2
839#define PQI_FIRMWARE_FEATURE_RAID_0_READ_BYPASS 3
840#define PQI_FIRMWARE_FEATURE_RAID_1_READ_BYPASS 4
841#define PQI_FIRMWARE_FEATURE_RAID_5_READ_BYPASS 5
842#define PQI_FIRMWARE_FEATURE_RAID_6_READ_BYPASS 6
843#define PQI_FIRMWARE_FEATURE_RAID_0_WRITE_BYPASS 7
844#define PQI_FIRMWARE_FEATURE_RAID_1_WRITE_BYPASS 8
845#define PQI_FIRMWARE_FEATURE_RAID_5_WRITE_BYPASS 9
846#define PQI_FIRMWARE_FEATURE_RAID_6_WRITE_BYPASS 10
847#define PQI_FIRMWARE_FEATURE_SOFT_RESET_HANDSHAKE 11
848#define PQI_FIRMWARE_FEATURE_UNIQUE_SATA_WWN 12
849#define PQI_FIRMWARE_FEATURE_RAID_IU_TIMEOUT 13
850#define PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT 14
f6cc2a77 851#define PQI_FIRMWARE_FEATURE_RAID_BYPASS_ON_ENCRYPTED_NVME 15
7a84a821
KB		 852#define PQI_FIRMWARE_FEATURE_UNIQUE_WWID_IN_REPORT_PHYS_LUN 16
853#define PQI_FIRMWARE_FEATURE_MAXIMUM 16
b212c251 854
98f87667
KB		 855struct pqi_config_table_debug {
856 struct pqi_config_table_section_header header;
857 __le32 scratchpad;
858};
859
860struct pqi_config_table_heartbeat {
861 struct pqi_config_table_section_header header;
862 __le32 heartbeat_counter;
863};
864
4fd22c13
MR		 865struct pqi_config_table_soft_reset {
866 struct pqi_config_table_section_header header;
867 u8 soft_reset_status;
868};
869
870#define PQI_SOFT_RESET_INITIATE 0x1
871#define PQI_SOFT_RESET_ABORT 0x2
872
873enum pqi_soft_reset_status {
874 RESET_INITIATE_FIRMWARE,
875 RESET_INITIATE_DRIVER,
876 RESET_ABORT,
877 RESET_NORESPONSE,
878 RESET_TIMEDOUT
879};
880
336b6819
KB		 881union pqi_reset_register {
882 struct {
883 u32 reset_type : 3;
884 u32 reserved : 2;
885 u32 reset_action : 3;
886 u32 hold_in_pd1 : 1;
887 u32 reserved2 : 23;
888 } bits;
889 u32 all_bits;
890};
891
892#define PQI_RESET_ACTION_RESET 0x1
893
894#define PQI_RESET_TYPE_NO_RESET 0x0
895#define PQI_RESET_TYPE_SOFT_RESET 0x1
896#define PQI_RESET_TYPE_FIRM_RESET 0x2
897#define PQI_RESET_TYPE_HARD_RESET 0x3
898
899#define PQI_RESET_ACTION_COMPLETED 0x2
900
901#define PQI_RESET_POLL_INTERVAL_MSECS 100
902
d727a776
KB		 903#define PQI_MAX_OUTSTANDING_REQUESTS ((u32)~0)
904#define PQI_MAX_OUTSTANDING_REQUESTS_KDUMP 32
eeee4107 905#define PQI_MAX_TRANSFER_SIZE (1024U * 1024U)
d727a776 906#define PQI_MAX_TRANSFER_SIZE_KDUMP (512 * 1024U)
6c223761
KB		 907
908#define RAID_MAP_MAX_ENTRIES 1024
909
6c223761
KB		 910#define PQI_PHYSICAL_DEVICE_BUS 0
911#define PQI_RAID_VOLUME_BUS 1
912#define PQI_HBA_BUS 2
bd10cf0b
KB		 913#define PQI_EXTERNAL_RAID_VOLUME_BUS 3
914#define PQI_MAX_BUS PQI_EXTERNAL_RAID_VOLUME_BUS
522bc026 915#define PQI_VSEP_CISS_BTL 379
6c223761 916
6c223761
KB		 917struct report_lun_header {
918 __be32 list_length;
694c5d5b 919 u8 flags;
6c223761
KB		 920 u8 reserved[3];
921};
922
694c5d5b
KB		 923/* for flags field of struct report_lun_header */
924#define CISS_REPORT_LOG_FLAG_UNIQUE_LUN_ID (1 << 0)
925#define CISS_REPORT_LOG_FLAG_QUEUE_DEPTH (1 << 5)
926#define CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX (1 << 6)
927
928#define CISS_REPORT_PHYS_FLAG_OTHER (1 << 1)
929
6c223761
KB		 930struct report_log_lun_extended_entry {
931 u8 lunid[8];
932 u8 volume_id[16];
933};
934
935struct report_log_lun_extended {
936 struct report_lun_header header;
937 struct report_log_lun_extended_entry lun_entries[1];
938};
939
940struct report_phys_lun_extended_entry {
941 u8 lunid[8];
942 __be64 wwid;
943 u8 device_type;
944 u8 device_flags;
945 u8 lun_count; /* number of LUNs in a multi-LUN device */
946 u8 redundant_paths;
947 u32 aio_handle;
948};
949
950/* for device_flags field of struct report_phys_lun_extended_entry */
694c5d5b 951#define CISS_REPORT_PHYS_DEV_FLAG_AIO_ENABLED 0x8
6c223761
KB		 952
953struct report_phys_lun_extended {
954 struct report_lun_header header;
955 struct report_phys_lun_extended_entry lun_entries[1];
956};
957
958struct raid_map_disk_data {
959 u32 aio_handle;
960 u8 xor_mult[2];
961 u8 reserved[2];
962};
963
694c5d5b 964/* for flags field of RAID map */
6c223761
KB		 965#define RAID_MAP_ENCRYPTION_ENABLED 0x1
966
967struct raid_map {
968 __le32 structure_size; /* size of entire structure in bytes */
969 __le32 volume_blk_size; /* bytes / block in the volume */
970 __le64 volume_blk_cnt; /* logical blocks on the volume */
971 u8 phys_blk_shift; /* shift factor to convert between */
972 /* units of logical blocks and */
973 /* physical disk blocks */
974 u8 parity_rotation_shift; /* shift factor to convert between */
975 /* units of logical stripes and */
976 /* physical stripes */
977 __le16 strip_size; /* blocks used on each disk / stripe */
978 __le64 disk_starting_blk; /* first disk block used in volume */
979 __le64 disk_blk_cnt; /* disk blocks used by volume / disk */
980 __le16 data_disks_per_row; /* data disk entries / row in the map */
981 __le16 metadata_disks_per_row; /* mirror/parity disk entries / row */
982 /* in the map */
983 __le16 row_cnt; /* rows in each layout map */
984 __le16 layout_map_count; /* layout maps (1 map per */
985 /* mirror parity group) */
986 __le16 flags;
987 __le16 data_encryption_key_index;
988 u8 reserved[16];
989 struct raid_map_disk_data disk_data[RAID_MAP_MAX_ENTRIES];
990};
991
992#pragma pack()
993
281a817f
DB		 994struct pqi_scsi_dev_raid_map_data {
995 bool is_write;
996 u8 raid_level;
997 u32 map_index;
998 u64 first_block;
999 u64 last_block;
1000 u32 data_length;
1001 u32 block_cnt;
1002 u32 blocks_per_row;
1003 u64 first_row;
1004 u64 last_row;
1005 u32 first_row_offset;
1006 u32 last_row_offset;
1007 u32 first_column;
1008 u32 last_column;
1009 u64 r5or6_first_row;
1010 u64 r5or6_last_row;
1011 u32 r5or6_first_row_offset;
1012 u32 r5or6_last_row_offset;
1013 u32 r5or6_first_column;
1014 u32 r5or6_last_column;
1015 u16 data_disks_per_row;
1016 u32 total_disks_per_row;
1017 u16 layout_map_count;
1018 u32 stripesize;
1019 u16 strip_size;
1020 u32 first_group;
1021 u32 last_group;
281a817f
DB		 1022 u32 map_row;
1023 u32 aio_handle;
1024 u64 disk_block;
1025 u32 disk_block_cnt;
1026 u8 cdb[16];
1027 u8 cdb_length;
281a817f 1028
583891c9 1029 /* RAID 1 specific */
281a817f
DB		 1030#define NUM_RAID1_MAP_ENTRIES 3
1031 u32 num_it_nexus_entries;
1032 u32 it_nexus[NUM_RAID1_MAP_ENTRIES];
1033
583891c9 1034 /* RAID 5 / RAID 6 specific */
281a817f
DB		 1035 u32 p_parity_it_nexus; /* aio_handle */
1036 u32 q_parity_it_nexus; /* aio_handle */
1037 u8 xor_mult;
1038 u64 row;
1039 u64 stripe_lba;
1040 u32 p_index;
1041 u32 q_index;
1042};
1043
6c223761
KB		 1044#define RAID_CTLR_LUNID "\0\0\0\0\0\0\0\0"
1045
c7ffedb3
DB		 1046#define NUM_STREAMS_PER_LUN 8
1047
1048struct pqi_stream_data {
1049 u64 next_lba;
1050 u32 last_accessed;
1051};
1052
6c223761
KB		 1053struct pqi_scsi_dev {
1054 int devtype; /* as reported by INQUIRY commmand */
1055 u8 device_type; /* as reported by */
1056 /* BMIC_IDENTIFY_PHYSICAL_DEVICE */
1057 /* only valid for devtype = TYPE_DISK */
1058 int bus;
1059 int target;
1060 int lun;
1061 u8 scsi3addr[8];
1062 __be64 wwid;
1063 u8 volume_id[16];
1064 u8 is_physical_device : 1;
bd10cf0b 1065 u8 is_external_raid_device : 1;
3d46a59a 1066 u8 is_expander_smp_device : 1;
6c223761 1067 u8 target_lun_valid : 1;
6c223761
KB		 1068 u8 device_gone : 1;
1069 u8 new_device : 1;
1070 u8 keep_device : 1;
1071 u8 volume_offline : 1;
244ca45e 1072 u8 rescan : 1;
376fb880 1073 bool aio_enabled; /* only valid for physical disks */
1e46731e 1074 bool in_remove;
7561a7e4 1075 bool device_offline;
6c223761
KB		 1076 u8 vendor[8]; /* bytes 8-15 of inquiry data */
1077 u8 model[16]; /* bytes 16-31 of inquiry data */
1078 u64 sas_address;
1079 u8 raid_level;
1080 u16 queue_depth; /* max. queue_depth for this device */
1081 u16 advertised_queue_depth;
1082 u32 aio_handle;
1083 u8 volume_status;
1084 u8 active_path_index;
1085 u8 path_map;
1086 u8 bay;
2d2ad4bc
GW		 1087 u8 box_index;
1088 u8 phys_box_on_bus;
1089 u8 phy_connected_dev_type;
6c223761
KB		 1090 u8 box[8];
1091 u16 phys_connector[8];
ec504b23 1092 u8 phy_id;
588a63fe
KB		 1093 bool raid_bypass_configured; /* RAID bypass configured */
1094 bool raid_bypass_enabled; /* RAID bypass enabled */
7a012c23 1095 u32 next_bypass_group;
588a63fe 1096 struct raid_map *raid_map; /* RAID bypass map */
f6cc2a77 1097 u32 max_transfer_encrypted;
6c223761
KB		 1098
1099 struct pqi_sas_port *sas_port;
1100 struct scsi_device *sdev;
6c223761
KB		 1101
1102 struct list_head scsi_device_list_entry;
1103 struct list_head new_device_list_entry;
1104 struct list_head add_list_entry;
1105 struct list_head delete_list_entry;
7561a7e4 1106
c7ffedb3 1107 struct pqi_stream_data stream_data[NUM_STREAMS_PER_LUN];
7561a7e4 1108 atomic_t scsi_cmds_outstanding;
8b664fef 1109 atomic_t raid_bypass_cnt;
7a84a821 1110 u8 page_83_identifier[16];
6c223761
KB		 1111};
1112
1113/* VPD inquiry pages */
6c223761 1114#define CISS_VPD_LV_DEVICE_GEOMETRY 0xc1 /* vendor-specific page */
588a63fe 1115#define CISS_VPD_LV_BYPASS_STATUS 0xc2 /* vendor-specific page */
6c223761
KB		 1116#define CISS_VPD_LV_STATUS 0xc3 /* vendor-specific page */
1117
1118#define VPD_PAGE (1 << 8)
1119
1120#pragma pack(1)
1121
1122/* structure for CISS_VPD_LV_STATUS */
1123struct ciss_vpd_logical_volume_status {
1124 u8 peripheral_info;
1125 u8 page_code;
1126 u8 reserved;
1127 u8 page_length;
1128 u8 volume_status;
1129 u8 reserved2[3];
1130 __be32 flags;
1131};
1132
1133#pragma pack()
1134
1135/* constants for volume_status field of ciss_vpd_logical_volume_status */
1136#define CISS_LV_OK 0
1137#define CISS_LV_FAILED 1
1138#define CISS_LV_NOT_CONFIGURED 2
1139#define CISS_LV_DEGRADED 3
1140#define CISS_LV_READY_FOR_RECOVERY 4
1141#define CISS_LV_UNDERGOING_RECOVERY 5
1142#define CISS_LV_WRONG_PHYSICAL_DRIVE_REPLACED 6
1143#define CISS_LV_PHYSICAL_DRIVE_CONNECTION_PROBLEM 7
1144#define CISS_LV_HARDWARE_OVERHEATING 8
1145#define CISS_LV_HARDWARE_HAS_OVERHEATED 9
1146#define CISS_LV_UNDERGOING_EXPANSION 10
1147#define CISS_LV_NOT_AVAILABLE 11
1148#define CISS_LV_QUEUED_FOR_EXPANSION 12
1149#define CISS_LV_DISABLED_SCSI_ID_CONFLICT 13
1150#define CISS_LV_EJECTED 14
1151#define CISS_LV_UNDERGOING_ERASE 15
1152/* state 16 not used */
1153#define CISS_LV_READY_FOR_PREDICTIVE_SPARE_REBUILD 17
1154#define CISS_LV_UNDERGOING_RPI 18
1155#define CISS_LV_PENDING_RPI 19
1156#define CISS_LV_ENCRYPTED_NO_KEY 20
1157/* state 21 not used */
1158#define CISS_LV_UNDERGOING_ENCRYPTION 22
1159#define CISS_LV_UNDERGOING_ENCRYPTION_REKEYING 23
1160#define CISS_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER 24
1161#define CISS_LV_PENDING_ENCRYPTION 25
1162#define CISS_LV_PENDING_ENCRYPTION_REKEYING 26
1163#define CISS_LV_NOT_SUPPORTED 27
1164#define CISS_LV_STATUS_UNAVAILABLE 255
1165
1166/* constants for flags field of ciss_vpd_logical_volume_status */
1167#define CISS_LV_FLAGS_NO_HOST_IO 0x1 /* volume not available for */
1168 /* host I/O */
1169
1170/* for SAS hosts and SAS expanders */
1171struct pqi_sas_node {
1172 struct device *parent_dev;
1173 struct list_head port_list_head;
1174};
1175
1176struct pqi_sas_port {
1177 struct list_head port_list_entry;
1178 u64 sas_address;
3d46a59a 1179 struct pqi_scsi_dev *device;
6c223761
KB		 1180 struct sas_port *port;
1181 int next_phy_index;
1182 struct list_head phy_list_head;
1183 struct pqi_sas_node *parent_node;
1184 struct sas_rphy *rphy;
1185};
1186
1187struct pqi_sas_phy {
1188 struct list_head phy_list_entry;
1189 struct sas_phy *phy;
1190 struct pqi_sas_port *parent_port;
1191 bool added_to_port;
1192};
1193
1194struct pqi_io_request {
1195 atomic_t refcount;
1196 u16 index;
1197 void (*io_complete_callback)(struct pqi_io_request *io_request,
1198 void *context);
1199 void *context;
376fb880 1200 u8 raid_bypass : 1;
6c223761 1201 int status;
376fb880 1202 struct pqi_queue_group *queue_group;
6c223761
KB		 1203 struct scsi_cmnd *scmd;
1204 void *error_info;
1205 struct pqi_sg_descriptor *sg_chain_buffer;
1206 dma_addr_t sg_chain_buffer_dma_handle;
1207 void *iu;
1208 struct list_head request_list_entry;
1209};
1210
4fd22c13 1211#define PQI_NUM_SUPPORTED_EVENTS 7
6c223761
KB		 1212
1213struct pqi_event {
1214 bool pending;
1215 u8 event_type;
06b41e0d
KB		 1216 u16 event_id;
1217 u32 additional_event_id;
6c223761
KB		 1218};
1219
5e6429df
KB		 1220#define PQI_RESERVED_IO_SLOTS_LUN_RESET 1
1221#define PQI_RESERVED_IO_SLOTS_EVENT_ACK PQI_NUM_SUPPORTED_EVENTS
1222#define PQI_RESERVED_IO_SLOTS_SYNCHRONOUS_REQUESTS 3
1223#define PQI_RESERVED_IO_SLOTS \
1224 (PQI_RESERVED_IO_SLOTS_LUN_RESET + PQI_RESERVED_IO_SLOTS_EVENT_ACK + \
1225 PQI_RESERVED_IO_SLOTS_SYNCHRONOUS_REQUESTS)
1226
2708a256
KB		 1227#define PQI_CTRL_PRODUCT_ID_GEN1 0
1228#define PQI_CTRL_PRODUCT_ID_GEN2 7
1229#define PQI_CTRL_PRODUCT_REVISION_A 0
1230#define PQI_CTRL_PRODUCT_REVISION_B 1
1231
6c223761
KB		 1232struct pqi_ctrl_info {
1233 unsigned int ctrl_id;
1234 struct pci_dev *pci_dev;
598bef8d 1235 char firmware_version[32];
6d90615f
MB		 1236 char serial_number[17];
1237 char model[17];
1238 char vendor[9];
2708a256
KB		 1239 u8 product_id;
1240 u8 product_revision;
6c223761
KB		 1241 void __iomem *iomem_base;
1242 struct pqi_ctrl_registers __iomem *registers;
1243 struct pqi_device_registers __iomem *pqi_registers;
1244 u32 max_sg_entries;
1245 u32 config_table_offset;
1246 u32 config_table_length;
1247 u16 max_inbound_queues;
1248 u16 max_elements_per_iq;
1249 u16 max_iq_element_length;
1250 u16 max_outbound_queues;
1251 u16 max_elements_per_oq;
1252 u16 max_oq_element_length;
1253 u32 max_transfer_size;
1254 u32 max_outstanding_requests;
1255 u32 max_io_slots;
1256 unsigned int scsi_ml_can_queue;
1257 unsigned short sg_tablesize;
1258 unsigned int max_sectors;
1259 u32 error_buffer_length;
1260 void *error_buffer;
1261 dma_addr_t error_buffer_dma_handle;
1262 size_t sg_chain_buffer_length;
1263 unsigned int num_queue_groups;
061ef06a 1264 u16 max_hw_queue_index;
6c223761
KB		 1265 u16 num_elements_per_iq;
1266 u16 num_elements_per_oq;
1267 u16 max_inbound_iu_length_per_firmware;
1268 u16 max_inbound_iu_length;
1269 unsigned int max_sg_per_iu;
6702d2c4 1270 unsigned int max_sg_per_r56_iu;
6c223761
KB		 1271 void *admin_queue_memory_base;
1272 u32 admin_queue_memory_length;
1273 dma_addr_t admin_queue_memory_base_dma_handle;
1274 void *queue_memory_base;
1275 u32 queue_memory_length;
1276 dma_addr_t queue_memory_base_dma_handle;
1277 struct pqi_admin_queues admin_queues;
1278 struct pqi_queue_group queue_groups[PQI_MAX_QUEUE_GROUPS];
1279 struct pqi_event_queue event_queue;
061ef06a 1280 enum pqi_irq_mode irq_mode;
6c223761
KB		 1281 int max_msix_vectors;
1282 int num_msix_vectors_enabled;
1283 int num_msix_vectors_initialized;
6c223761
KB		 1284 int event_irq;
1285 struct Scsi_Host *scsi_host;
1286
1287 struct mutex scan_mutex;
7561a7e4
KB		 1288 struct mutex lun_reset_mutex;
1289 bool controller_online;
1290 bool block_requests;
9fa82023 1291 bool scan_blocked;
6c223761
KB		 1292 u8 inbound_spanning_supported : 1;
1293 u8 outbound_spanning_supported : 1;
1294 u8 pqi_mode_enabled : 1;
336b6819 1295 u8 pqi_reset_quiesce_supported : 1;
4fd22c13 1296 u8 soft_reset_handshake_supported : 1;
583891c9
KB		 1297 u8 raid_iu_timeout_supported : 1;
1298 u8 tmf_iu_timeout_supported : 1;
7a84a821 1299 u8 unique_wwid_in_report_phys_lun_supported : 1;
7a012c23 1300 u8 enable_r1_writes : 1;
6702d2c4
DB		 1301 u8 enable_r5_writes : 1;
1302 u8 enable_r6_writes : 1;
f6cc2a77 1303 u8 lv_drive_type_mix_valid : 1;
c7ffedb3 1304 u8 enable_stream_detection : 1;
f6cc2a77
KB		 1305
1306 u8 ciss_report_log_flags;
1307 u32 max_transfer_encrypted_sas_sata;
1308 u32 max_transfer_encrypted_nvme;
1309 u32 max_write_raid_5_6;
1310 u32 max_write_raid_1_10_2drive;
1311 u32 max_write_raid_1_10_3drive;
6c223761
KB		 1312
1313 struct list_head scsi_device_list;
1314 spinlock_t scsi_device_list_lock;
1315
1316 struct delayed_work rescan_work;
1317 struct delayed_work update_time_work;
1318
1319 struct pqi_sas_node *sas_host;
1320 u64 sas_address;
1321
1322 struct pqi_io_request *io_request_pool;
1323 u16 next_io_request_slot;
1324
6a50d6ad 1325 struct pqi_event events[PQI_NUM_SUPPORTED_EVENTS];
6c223761
KB		 1326 struct work_struct event_work;
1327
1328 atomic_t num_interrupts;
1329 int previous_num_interrupts;
98f87667
KB		 1330 u32 previous_heartbeat_count;
1331 __le32 __iomem *heartbeat_counter;
4fd22c13 1332 u8 __iomem *soft_reset_status;
6c223761 1333 struct timer_list heartbeat_timer;
5f310425 1334 struct work_struct ctrl_offline_work;
6c223761
KB		 1335
1336 struct semaphore sync_request_sem;
7561a7e4
KB		 1337 atomic_t num_busy_threads;
1338 atomic_t num_blocked_threads;
1339 wait_queue_head_t block_requests_wait;
376fb880 1340
2790cd4d 1341 struct mutex ofa_mutex;
694c5d5b
KB		 1342 struct pqi_ofa_memory *pqi_ofa_mem_virt_addr;
1343 dma_addr_t pqi_ofa_mem_dma_handle;
1344 void **pqi_ofa_chunk_virt_addr;
2790cd4d
KB		 1345 struct work_struct ofa_memory_alloc_work;
1346 struct work_struct ofa_quiesce_work;
1347 u32 ofa_bytes_requested;
1348 u16 ofa_cancel_reason;
6c223761
KB		 1349};
1350
ff6abb73 1351enum pqi_ctrl_mode {
162d7753 1352 SIS_MODE = 0,
ff6abb73
KB		 1353 PQI_MODE
1354};
1355
6c223761
KB		 1356/*
1357 * assume worst case: SATA queue depth of 31 minus 4 internal firmware commands
1358 */
1359#define PQI_PHYSICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH 27
1360
6c223761
KB		 1361/* CISS commands */
1362#define CISS_READ 0xc0
1363#define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */
1364#define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */
1365#define CISS_GET_RAID_MAP 0xc8
1366
6c223761
KB		 1367/* BMIC commands */
1368#define BMIC_IDENTIFY_CONTROLLER 0x11
1369#define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15
1370#define BMIC_READ 0x26
1371#define BMIC_WRITE 0x27
f6cc2a77 1372#define BMIC_SENSE_FEATURE 0x61
6c223761
KB		 1373#define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
1374#define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66
3d46a59a 1375#define BMIC_CSMI_PASSTHRU 0x68
6c223761 1376#define BMIC_WRITE_HOST_WELLNESS 0xa5
58322fe0 1377#define BMIC_FLUSH_CACHE 0xc2
171c2865
DC		 1378#define BMIC_SET_DIAG_OPTIONS 0xf4
1379#define BMIC_SENSE_DIAG_OPTIONS 0xf5
6c223761 1380
694c5d5b 1381#define CSMI_CC_SAS_SMP_PASSTHRU 0x17
3d46a59a 1382
58322fe0 1383#define SA_FLUSH_CACHE 0x1
6c223761
KB		 1384
1385#define MASKED_DEVICE(lunid) ((lunid)[3] & 0xc0)
bd10cf0b 1386#define CISS_GET_LEVEL_2_BUS(lunid) ((lunid)[7] & 0x3f)
6c223761
KB		 1387#define CISS_GET_LEVEL_2_TARGET(lunid) ((lunid)[6])
1388#define CISS_GET_DRIVE_NUMBER(lunid) \
bd10cf0b 1389 (((CISS_GET_LEVEL_2_BUS((lunid)) - 1) << 8) + \
6c223761
KB		 1390 CISS_GET_LEVEL_2_TARGET((lunid)))
1391
f6cc2a77
KB		 1392#define LV_GET_DRIVE_TYPE_MIX(lunid) ((lunid)[6])
1393
1394#define LV_DRIVE_TYPE_MIX_UNKNOWN 0
1395#define LV_DRIVE_TYPE_MIX_NO_RESTRICTION 1
1396#define LV_DRIVE_TYPE_MIX_SAS_HDD_ONLY 2
1397#define LV_DRIVE_TYPE_MIX_SATA_HDD_ONLY 3
1398#define LV_DRIVE_TYPE_MIX_SAS_OR_SATA_SSD_ONLY 4
1399#define LV_DRIVE_TYPE_MIX_SAS_SSD_ONLY 5
1400#define LV_DRIVE_TYPE_MIX_SATA_SSD_ONLY 6
1401#define LV_DRIVE_TYPE_MIX_SAS_ONLY 7
1402#define LV_DRIVE_TYPE_MIX_SATA_ONLY 8
1403#define LV_DRIVE_TYPE_MIX_NVME_ONLY 9
1404
6c223761
KB		 1405#define NO_TIMEOUT ((unsigned long) -1)
1406
1407#pragma pack(1)
1408
1409struct bmic_identify_controller {
1410 u8 configured_logical_drive_count;
1411 __le32 configuration_signature;
598bef8d 1412 u8 firmware_version_short[4];
6c223761
KB		 1413 u8 reserved[145];
1414 __le16 extended_logical_unit_count;
1415 u8 reserved1[34];
1416 __le16 firmware_build_number;
6d90615f
MB		 1417 u8 reserved2[8];
1418 u8 vendor_id[8];
1419 u8 product_id[16];
598bef8d
KB		 1420 u8 reserved3[62];
1421 __le32 extra_controller_flags;
1422 u8 reserved4[2];
6c223761 1423 u8 controller_mode;
598bef8d
KB		 1424 u8 spare_part_number[32];
1425 u8 firmware_version_long[32];
6d90615f
MB		 1426};
1427
598bef8d
KB		 1428/* constants for extra_controller_flags field of bmic_identify_controller */
1429#define BMIC_IDENTIFY_EXTRA_FLAGS_LONG_FW_VERSION_SUPPORTED 0x20000000
1430
6d90615f
MB		 1431struct bmic_sense_subsystem_info {
1432 u8 reserved[44];
1433 u8 ctrl_serial_number[16];
6c223761
KB		 1434};
1435
694c5d5b
KB		 1436/* constants for device_type field */
1437#define SA_DEVICE_TYPE_SATA 0x1
1438#define SA_DEVICE_TYPE_SAS 0x2
1439#define SA_DEVICE_TYPE_EXPANDER_SMP 0x5
ce143793 1440#define SA_DEVICE_TYPE_SES 0x6
694c5d5b
KB		 1441#define SA_DEVICE_TYPE_CONTROLLER 0x7
1442#define SA_DEVICE_TYPE_NVME 0x9
3d46a59a 1443
6c223761
KB		 1444struct bmic_identify_physical_device {
1445 u8 scsi_bus; /* SCSI Bus number on controller */
1446 u8 scsi_id; /* SCSI ID on this bus */
1447 __le16 block_size; /* sector size in bytes */
1448 __le32 total_blocks; /* number for sectors on drive */
1449 __le32 reserved_blocks; /* controller reserved (RIS) */
1450 u8 model[40]; /* Physical Drive Model */
1451 u8 serial_number[40]; /* Drive Serial Number */
1452 u8 firmware_revision[8]; /* drive firmware revision */
1453 u8 scsi_inquiry_bits; /* inquiry byte 7 bits */
1454 u8 compaq_drive_stamp; /* 0 means drive not stamped */
1455 u8 last_failure_reason;
1456 u8 flags;
1457 u8 more_flags;
1458 u8 scsi_lun; /* SCSI LUN for phys drive */
1459 u8 yet_more_flags;
1460 u8 even_more_flags;
1461 __le32 spi_speed_rules;
1462 u8 phys_connector[2]; /* connector number on controller */
1463 u8 phys_box_on_bus; /* phys enclosure this drive resides */
1464 u8 phys_bay_in_box; /* phys drv bay this drive resides */
1465 __le32 rpm; /* drive rotational speed in RPM */
1466 u8 device_type; /* type of drive */
1467 u8 sata_version; /* only valid when device_type = */
694c5d5b 1468 /* SA_DEVICE_TYPE_SATA */
6c223761
KB		 1469 __le64 big_total_block_count;
1470 __le64 ris_starting_lba;
1471 __le32 ris_size;
1472 u8 wwid[20];
1473 u8 controller_phy_map[32];
1474 __le16 phy_count;
1475 u8 phy_connected_dev_type[256];
1476 u8 phy_to_drive_bay_num[256];
1477 __le16 phy_to_attached_dev_index[256];
1478 u8 box_index;
1479 u8 reserved;
1480 __le16 extra_physical_drive_flags;
1481 u8 negotiated_link_rate[256];
1482 u8 phy_to_phy_map[256];
1483 u8 redundant_path_present_map;
1484 u8 redundant_path_failure_map;
1485 u8 active_path_number;
1486 __le16 alternate_paths_phys_connector[8];
1487 u8 alternate_paths_phys_box_on_port[8];
1488 u8 multi_lun_device_lun_count;
1489 u8 minimum_good_fw_revision[8];
1490 u8 unique_inquiry_bytes[20];
1be42f46
KB		 1491 u8 current_temperature_degrees;
1492 u8 temperature_threshold_degrees;
1493 u8 max_temperature_degrees;
6c223761
KB		 1494 u8 logical_blocks_per_phys_block_exp;
1495 __le16 current_queue_depth_limit;
1496 u8 switch_name[10];
1497 __le16 switch_port;
1498 u8 alternate_paths_switch_name[40];
1499 u8 alternate_paths_switch_port[8];
1500 __le16 power_on_hours;
1501 __le16 percent_endurance_used;
1502 u8 drive_authentication;
1503 u8 smart_carrier_authentication;
1504 u8 smart_carrier_app_fw_version;
1505 u8 smart_carrier_bootloader_fw_version;
1be42f46
KB		 1506 u8 sanitize_flags;
1507 u8 encryption_key_flags;
6c223761
KB		 1508 u8 encryption_key_name[64];
1509 __le32 misc_drive_flags;
1510 __le16 dek_index;
1be42f46
KB		 1511 __le16 hba_drive_encryption_flags;
1512 __le16 max_overwrite_time;
1513 __le16 max_block_erase_time;
1514 __le16 max_crypto_erase_time;
1515 u8 connector_info[5];
1516 u8 connector_name[8][8];
1517 u8 page_83_identifier[16];
1518 u8 maximum_link_rate[256];
1519 u8 negotiated_physical_link_rate[256];
1520 u8 box_connector_name[8];
1521 u8 padding_to_multiple_of_512[9];
6c223761
KB		 1522};
1523
f6cc2a77
KB		 1524#define BMIC_SENSE_FEATURE_IO_PAGE 0x8
1525#define BMIC_SENSE_FEATURE_IO_PAGE_AIO_SUBPAGE 0x2
1526
1527struct bmic_sense_feature_buffer_header {
1528 u8 page_code;
1529 u8 subpage_code;
1530 __le16 buffer_length;
1531};
1532
1533struct bmic_sense_feature_page_header {
1534 u8 page_code;
1535 u8 subpage_code;
1536 __le16 page_length;
1537};
1538
1539struct bmic_sense_feature_io_page_aio_subpage {
1540 struct bmic_sense_feature_page_header header;
1541 u8 firmware_read_support;
1542 u8 driver_read_support;
1543 u8 firmware_write_support;
1544 u8 driver_write_support;
1545 __le16 max_transfer_encrypted_sas_sata;
1546 __le16 max_transfer_encrypted_nvme;
1547 __le16 max_write_raid_5_6;
1548 __le16 max_write_raid_1_10_2drive;
1549 __le16 max_write_raid_1_10_3drive;
1550};
1551
3d46a59a
DB		 1552struct bmic_smp_request {
1553 u8 frame_type;
1554 u8 function;
1555 u8 allocated_response_length;
1556 u8 request_length;
1557 u8 additional_request_bytes[1016];
1558};
1559
1560struct bmic_smp_response {
1561 u8 frame_type;
1562 u8 function;
1563 u8 function_result;
1564 u8 response_length;
1565 u8 additional_response_bytes[1016];
1566};
1567
1568struct bmic_csmi_ioctl_header {
1569 __le32 header_length;
1570 u8 signature[8];
1571 __le32 timeout;
1572 __le32 control_code;
1573 __le32 return_code;
1574 __le32 length;
1575};
1576
1577struct bmic_csmi_smp_passthru {
1578 u8 phy_identifier;
1579 u8 port_identifier;
1580 u8 connection_rate;
1581 u8 reserved;
1582 __be64 destination_sas_address;
1583 __le32 request_length;
1584 struct bmic_smp_request request;
1585 u8 connection_status;
1586 u8 reserved1[3];
1587 __le32 response_length;
1588 struct bmic_smp_response response;
1589};
1590
1591struct bmic_csmi_smp_passthru_buffer {
1592 struct bmic_csmi_ioctl_header ioctl_header;
1593 struct bmic_csmi_smp_passthru parameters;
1594};
1595
58322fe0
KB		 1596struct bmic_flush_cache {
1597 u8 disable_flag;
1598 u8 system_power_action;
1599 u8 ndu_flush;
1600 u8 shutdown_event;
1601 u8 reserved[28];
1602};
1603
1604/* for shutdown_event member of struct bmic_flush_cache */
1605enum bmic_flush_cache_shutdown_event {
1606 NONE_CACHE_FLUSH_ONLY = 0,
1607 SHUTDOWN = 1,
1608 HIBERNATE = 2,
1609 SUSPEND = 3,
1610 RESTART = 4
1611};
1612
171c2865
DC		 1613struct bmic_diag_options {
1614 __le32 options;
1615};
1616
6c223761
KB		 1617#pragma pack()
1618
694c5d5b 1619static inline struct pqi_ctrl_info *shost_to_hba(struct Scsi_Host *shost)
3d46a59a 1620{
694c5d5b 1621 void *hostdata = shost_priv(shost);
3d46a59a 1622
694c5d5b 1623 return *((struct pqi_ctrl_info **)hostdata);
0530736e
KB		 1624}
1625
3d46a59a
DB		 1626void pqi_sas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
1627 struct sas_rphy *rphy);
1628
6c223761
KB		 1629int pqi_add_sas_host(struct Scsi_Host *shost, struct pqi_ctrl_info *ctrl_info);
1630void pqi_delete_sas_host(struct pqi_ctrl_info *ctrl_info);
1631int pqi_add_sas_device(struct pqi_sas_node *pqi_sas_node,
1632 struct pqi_scsi_dev *device);
1633void pqi_remove_sas_device(struct pqi_scsi_dev *device);
1634struct pqi_scsi_dev *pqi_find_device_by_sas_rphy(
1635 struct pqi_ctrl_info *ctrl_info, struct sas_rphy *rphy);
7561a7e4 1636void pqi_prep_for_scsi_done(struct scsi_cmnd *scmd);
3d46a59a
DB		 1637int pqi_csmi_smp_passthru(struct pqi_ctrl_info *ctrl_info,
1638 struct bmic_csmi_smp_passthru_buffer *buffer, size_t buffer_length,
1639 struct pqi_raid_error_info *error_info);
6c223761
KB		 1640
1641extern struct sas_function_template pqi_sas_transport_functions;
1642
6c223761 1643#endif /* _SMARTPQI_H */
Linux 6.x block layer and io_uring tree(s)