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19#include <linux/io-64-nonatomic-lo-hi.h>
20
21#if !defined(_SMARTPQI_H)
22#define _SMARTPQI_H
23
24#pragma pack(1)
25
26#define PQI_DEVICE_SIGNATURE "PQI DREG"
27
28
29struct pqi_device_registers {
30 __le64 signature;
31 u8 function_and_status_code;
32 u8 reserved[7];
33 u8 max_admin_iq_elements;
34 u8 max_admin_oq_elements;
35 u8 admin_iq_element_length;
36 u8 admin_oq_element_length;
37 __le16 max_reset_timeout;
38 u8 reserved1[2];
39 __le32 legacy_intx_status;
40 __le32 legacy_intx_mask_set;
41 __le32 legacy_intx_mask_clear;
42 u8 reserved2[28];
43 __le32 device_status;
44 u8 reserved3[4];
45 __le64 admin_iq_pi_offset;
46 __le64 admin_oq_ci_offset;
47 __le64 admin_iq_element_array_addr;
48 __le64 admin_oq_element_array_addr;
49 __le64 admin_iq_ci_addr;
50 __le64 admin_oq_pi_addr;
51 u8 admin_iq_num_elements;
52 u8 admin_oq_num_elements;
53 __le16 admin_queue_int_msg_num;
54 u8 reserved4[4];
55 __le32 device_error;
56 u8 reserved5[4];
57 __le64 error_details;
58 __le32 device_reset;
59 __le32 power_action;
60 u8 reserved6[104];
61};
62
63
64
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71
72
73
74
75struct pqi_ctrl_registers {
76 u8 reserved[0x20];
77 __le32 sis_host_to_ctrl_doorbell;
78 u8 reserved1[0x34 - (0x20 + sizeof(__le32))];
79 __le32 sis_interrupt_mask;
80 u8 reserved2[0x9c - (0x34 + sizeof(__le32))];
81 __le32 sis_ctrl_to_host_doorbell;
82 u8 reserved3[0xa0 - (0x9c + sizeof(__le32))];
83 __le32 sis_ctrl_to_host_doorbell_clear;
84 u8 reserved4[0xb0 - (0xa0 + sizeof(__le32))];
85 __le32 sis_driver_scratch;
86 u8 reserved5[0xbc - (0xb0 + sizeof(__le32))];
87 __le32 sis_firmware_status;
88 u8 reserved6[0x1000 - (0xbc + sizeof(__le32))];
89 __le32 sis_mailbox[8];
90 u8 reserved7[0x4000 - (0x1000 + (sizeof(__le32) * 8))];
91
92
93
94
95
96
97 struct pqi_device_registers pqi_registers;
98};
99
100#define PQI_DEVICE_REGISTERS_OFFSET 0x4000
101
102enum pqi_io_path {
103 RAID_PATH = 0,
104 AIO_PATH = 1
105};
106
107enum pqi_irq_mode {
108 IRQ_MODE_NONE,
109 IRQ_MODE_INTX,
110 IRQ_MODE_MSIX
111};
112
113struct pqi_sg_descriptor {
114 __le64 address;
115 __le32 length;
116 __le32 flags;
117};
118
119
120#define CISS_SG_LAST 0x40000000
121#define CISS_SG_CHAIN 0x80000000
122
123struct pqi_iu_header {
124 u8 iu_type;
125 u8 reserved;
126 __le16 iu_length;
127
128 __le16 response_queue_id;
129
130 u8 work_area[2];
131};
132
133
134
135
136
137#define PQI_REQUEST_HEADER_LENGTH 4
138
139struct pqi_general_admin_request {
140 struct pqi_iu_header header;
141 __le16 request_id;
142 u8 function_code;
143 union {
144 struct {
145 u8 reserved[33];
146 __le32 buffer_length;
147 struct pqi_sg_descriptor sg_descriptor;
148 } report_device_capability;
149
150 struct {
151 u8 reserved;
152 __le16 queue_id;
153 u8 reserved1[2];
154 __le64 element_array_addr;
155 __le64 ci_addr;
156 __le16 num_elements;
157 __le16 element_length;
158 u8 queue_protocol;
159 u8 reserved2[23];
160 __le32 vendor_specific;
161 } create_operational_iq;
162
163 struct {
164 u8 reserved;
165 __le16 queue_id;
166 u8 reserved1[2];
167 __le64 element_array_addr;
168 __le64 pi_addr;
169 __le16 num_elements;
170 __le16 element_length;
171 u8 queue_protocol;
172 u8 reserved2[3];
173 __le16 int_msg_num;
174 __le16 coalescing_count;
175 __le32 min_coalescing_time;
176 __le32 max_coalescing_time;
177 u8 reserved3[8];
178 __le32 vendor_specific;
179 } create_operational_oq;
180
181 struct {
182 u8 reserved;
183 __le16 queue_id;
184 u8 reserved1[50];
185 } delete_operational_queue;
186
187 struct {
188 u8 reserved;
189 __le16 queue_id;
190 u8 reserved1[46];
191 __le32 vendor_specific;
192 } change_operational_iq_properties;
193
194 } data;
195};
196
197struct pqi_general_admin_response {
198 struct pqi_iu_header header;
199 __le16 request_id;
200 u8 function_code;
201 u8 status;
202 union {
203 struct {
204 u8 status_descriptor[4];
205 __le64 iq_pi_offset;
206 u8 reserved[40];
207 } create_operational_iq;
208
209 struct {
210 u8 status_descriptor[4];
211 __le64 oq_ci_offset;
212 u8 reserved[40];
213 } create_operational_oq;
214 } data;
215};
216
217struct pqi_iu_layer_descriptor {
218 u8 inbound_spanning_supported : 1;
219 u8 reserved : 7;
220 u8 reserved1[5];
221 __le16 max_inbound_iu_length;
222 u8 outbound_spanning_supported : 1;
223 u8 reserved2 : 7;
224 u8 reserved3[5];
225 __le16 max_outbound_iu_length;
226};
227
228struct pqi_device_capability {
229 __le16 data_length;
230 u8 reserved[6];
231 u8 iq_arbitration_priority_support_bitmask;
232 u8 maximum_aw_a;
233 u8 maximum_aw_b;
234 u8 maximum_aw_c;
235 u8 max_arbitration_burst : 3;
236 u8 reserved1 : 4;
237 u8 iqa : 1;
238 u8 reserved2[2];
239 u8 iq_freeze : 1;
240 u8 reserved3 : 7;
241 __le16 max_inbound_queues;
242 __le16 max_elements_per_iq;
243 u8 reserved4[4];
244 __le16 max_iq_element_length;
245 __le16 min_iq_element_length;
246 u8 reserved5[2];
247 __le16 max_outbound_queues;
248 __le16 max_elements_per_oq;
249 __le16 intr_coalescing_time_granularity;
250 __le16 max_oq_element_length;
251 __le16 min_oq_element_length;
252 u8 reserved6[24];
253 struct pqi_iu_layer_descriptor iu_layer_descriptors[32];
254};
255
256#define PQI_MAX_EMBEDDED_SG_DESCRIPTORS 4
257
258struct pqi_raid_path_request {
259 struct pqi_iu_header header;
260 __le16 request_id;
261 __le16 nexus_id;
262 __le32 buffer_length;
263 u8 lun_number[8];
264 __le16 protocol_specific;
265 u8 data_direction : 2;
266 u8 partial : 1;
267 u8 reserved1 : 4;
268 u8 fence : 1;
269 __le16 error_index;
270 u8 reserved2;
271 u8 task_attribute : 3;
272 u8 command_priority : 4;
273 u8 reserved3 : 1;
274 u8 reserved4 : 2;
275 u8 additional_cdb_bytes_usage : 3;
276 u8 reserved5 : 3;
277 u8 cdb[32];
278 struct pqi_sg_descriptor
279 sg_descriptors[PQI_MAX_EMBEDDED_SG_DESCRIPTORS];
280};
281
282struct pqi_aio_path_request {
283 struct pqi_iu_header header;
284 __le16 request_id;
285 u8 reserved1[2];
286 __le32 nexus_id;
287 __le32 buffer_length;
288 u8 data_direction : 2;
289 u8 partial : 1;
290 u8 memory_type : 1;
291 u8 fence : 1;
292 u8 encryption_enable : 1;
293 u8 reserved2 : 2;
294 u8 task_attribute : 3;
295 u8 command_priority : 4;
296 u8 reserved3 : 1;
297 __le16 data_encryption_key_index;
298 __le32 encrypt_tweak_lower;
299 __le32 encrypt_tweak_upper;
300 u8 cdb[16];
301 __le16 error_index;
302 u8 num_sg_descriptors;
303 u8 cdb_length;
304 u8 lun_number[8];
305 u8 reserved4[4];
306 struct pqi_sg_descriptor
307 sg_descriptors[PQI_MAX_EMBEDDED_SG_DESCRIPTORS];
308};
309
310struct pqi_io_response {
311 struct pqi_iu_header header;
312 __le16 request_id;
313 __le16 error_index;
314 u8 reserved2[4];
315};
316
317struct pqi_general_management_request {
318 struct pqi_iu_header header;
319 __le16 request_id;
320 union {
321 struct {
322 u8 reserved[2];
323 __le32 buffer_length;
324 struct pqi_sg_descriptor sg_descriptors[3];
325 } report_event_configuration;
326
327 struct {
328 __le16 global_event_oq_id;
329 __le32 buffer_length;
330 struct pqi_sg_descriptor sg_descriptors[3];
331 } set_event_configuration;
332 } data;
333};
334
335struct pqi_event_descriptor {
336 u8 event_type;
337 u8 reserved;
338 __le16 oq_id;
339};
340
341struct pqi_event_config {
342 u8 reserved[2];
343 u8 num_event_descriptors;
344 u8 reserved1;
345 struct pqi_event_descriptor descriptors[1];
346};
347
348#define PQI_MAX_EVENT_DESCRIPTORS 255
349
350struct pqi_event_response {
351 struct pqi_iu_header header;
352 u8 event_type;
353 u8 reserved2 : 7;
354 u8 request_acknowlege : 1;
355 __le16 event_id;
356 __le32 additional_event_id;
357 u8 data[16];
358};
359
360struct pqi_event_acknowledge_request {
361 struct pqi_iu_header header;
362 u8 event_type;
363 u8 reserved2;
364 __le16 event_id;
365 __le32 additional_event_id;
366};
367
368struct pqi_task_management_request {
369 struct pqi_iu_header header;
370 __le16 request_id;
371 __le16 nexus_id;
372 u8 reserved[4];
373 u8 lun_number[8];
374 __le16 protocol_specific;
375 __le16 outbound_queue_id_to_manage;
376 __le16 request_id_to_manage;
377 u8 task_management_function;
378 u8 reserved2 : 7;
379 u8 fence : 1;
380};
381
382#define SOP_TASK_MANAGEMENT_LUN_RESET 0x8
383
384struct pqi_task_management_response {
385 struct pqi_iu_header header;
386 __le16 request_id;
387 __le16 nexus_id;
388 u8 additional_response_info[3];
389 u8 response_code;
390};
391
392struct pqi_aio_error_info {
393 u8 status;
394 u8 service_response;
395 u8 data_present;
396 u8 reserved;
397 __le32 residual_count;
398 __le16 data_length;
399 __le16 reserved1;
400 u8 data[256];
401};
402
403struct pqi_raid_error_info {
404 u8 data_in_result;
405 u8 data_out_result;
406 u8 reserved[3];
407 u8 status;
408 __le16 status_qualifier;
409 __le16 sense_data_length;
410 __le16 response_data_length;
411 __le32 data_in_transferred;
412 __le32 data_out_transferred;
413 u8 data[256];
414};
415
416#define PQI_REQUEST_IU_TASK_MANAGEMENT 0x13
417#define PQI_REQUEST_IU_RAID_PATH_IO 0x14
418#define PQI_REQUEST_IU_AIO_PATH_IO 0x15
419#define PQI_REQUEST_IU_GENERAL_ADMIN 0x60
420#define PQI_REQUEST_IU_REPORT_VENDOR_EVENT_CONFIG 0x72
421#define PQI_REQUEST_IU_SET_VENDOR_EVENT_CONFIG 0x73
422#define PQI_REQUEST_IU_ACKNOWLEDGE_VENDOR_EVENT 0xf6
423
424#define PQI_RESPONSE_IU_GENERAL_MANAGEMENT 0x81
425#define PQI_RESPONSE_IU_TASK_MANAGEMENT 0x93
426#define PQI_RESPONSE_IU_GENERAL_ADMIN 0xe0
427#define PQI_RESPONSE_IU_RAID_PATH_IO_SUCCESS 0xf0
428#define PQI_RESPONSE_IU_AIO_PATH_IO_SUCCESS 0xf1
429#define PQI_RESPONSE_IU_RAID_PATH_IO_ERROR 0xf2
430#define PQI_RESPONSE_IU_AIO_PATH_IO_ERROR 0xf3
431#define PQI_RESPONSE_IU_AIO_PATH_DISABLED 0xf4
432#define PQI_RESPONSE_IU_VENDOR_EVENT 0xf5
433
434#define PQI_GENERAL_ADMIN_FUNCTION_REPORT_DEVICE_CAPABILITY 0x0
435#define PQI_GENERAL_ADMIN_FUNCTION_CREATE_IQ 0x10
436#define PQI_GENERAL_ADMIN_FUNCTION_CREATE_OQ 0x11
437#define PQI_GENERAL_ADMIN_FUNCTION_DELETE_IQ 0x12
438#define PQI_GENERAL_ADMIN_FUNCTION_DELETE_OQ 0x13
439#define PQI_GENERAL_ADMIN_FUNCTION_CHANGE_IQ_PROPERTY 0x14
440
441#define PQI_GENERAL_ADMIN_STATUS_SUCCESS 0x0
442
443#define PQI_IQ_PROPERTY_IS_AIO_QUEUE 0x1
444
445#define PQI_GENERAL_ADMIN_IU_LENGTH 0x3c
446#define PQI_PROTOCOL_SOP 0x0
447
448#define PQI_DATA_IN_OUT_GOOD 0x0
449#define PQI_DATA_IN_OUT_UNDERFLOW 0x1
450#define PQI_DATA_IN_OUT_BUFFER_ERROR 0x40
451#define PQI_DATA_IN_OUT_BUFFER_OVERFLOW 0x41
452#define PQI_DATA_IN_OUT_BUFFER_OVERFLOW_DESCRIPTOR_AREA 0x42
453#define PQI_DATA_IN_OUT_BUFFER_OVERFLOW_BRIDGE 0x43
454#define PQI_DATA_IN_OUT_PCIE_FABRIC_ERROR 0x60
455#define PQI_DATA_IN_OUT_PCIE_COMPLETION_TIMEOUT 0x61
456#define PQI_DATA_IN_OUT_PCIE_COMPLETER_ABORT_RECEIVED 0x62
457#define PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST_RECEIVED 0x63
458#define PQI_DATA_IN_OUT_PCIE_ECRC_CHECK_FAILED 0x64
459#define PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST 0x65
460#define PQI_DATA_IN_OUT_PCIE_ACS_VIOLATION 0x66
461#define PQI_DATA_IN_OUT_PCIE_TLP_PREFIX_BLOCKED 0x67
462#define PQI_DATA_IN_OUT_PCIE_POISONED_MEMORY_READ 0x6F
463#define PQI_DATA_IN_OUT_ERROR 0xf0
464#define PQI_DATA_IN_OUT_PROTOCOL_ERROR 0xf1
465#define PQI_DATA_IN_OUT_HARDWARE_ERROR 0xf2
466#define PQI_DATA_IN_OUT_UNSOLICITED_ABORT 0xf3
467#define PQI_DATA_IN_OUT_ABORTED 0xf4
468#define PQI_DATA_IN_OUT_TIMEOUT 0xf5
469
470#define CISS_CMD_STATUS_SUCCESS 0x0
471#define CISS_CMD_STATUS_TARGET_STATUS 0x1
472#define CISS_CMD_STATUS_DATA_UNDERRUN 0x2
473#define CISS_CMD_STATUS_DATA_OVERRUN 0x3
474#define CISS_CMD_STATUS_INVALID 0x4
475#define CISS_CMD_STATUS_PROTOCOL_ERROR 0x5
476#define CISS_CMD_STATUS_HARDWARE_ERROR 0x6
477#define CISS_CMD_STATUS_CONNECTION_LOST 0x7
478#define CISS_CMD_STATUS_ABORTED 0x8
479#define CISS_CMD_STATUS_ABORT_FAILED 0x9
480#define CISS_CMD_STATUS_UNSOLICITED_ABORT 0xa
481#define CISS_CMD_STATUS_TIMEOUT 0xb
482#define CISS_CMD_STATUS_UNABORTABLE 0xc
483#define CISS_CMD_STATUS_TMF 0xd
484#define CISS_CMD_STATUS_AIO_DISABLED 0xe
485
486#define PQI_NUM_EVENT_QUEUE_ELEMENTS 32
487#define PQI_EVENT_OQ_ELEMENT_LENGTH sizeof(struct pqi_event_response)
488
489#define PQI_EVENT_TYPE_HOTPLUG 0x1
490#define PQI_EVENT_TYPE_HARDWARE 0x2
491#define PQI_EVENT_TYPE_PHYSICAL_DEVICE 0x4
492#define PQI_EVENT_TYPE_LOGICAL_DEVICE 0x5
493#define PQI_EVENT_TYPE_AIO_STATE_CHANGE 0xfd
494#define PQI_EVENT_TYPE_AIO_CONFIG_CHANGE 0xfe
495
496#pragma pack()
497
498#define PQI_ERROR_BUFFER_ELEMENT_LENGTH \
499 sizeof(struct pqi_raid_error_info)
500
501
502#define PQI_ADMIN_IQ_NUM_ELEMENTS 8
503#define PQI_ADMIN_OQ_NUM_ELEMENTS 20
504#define PQI_ADMIN_IQ_ELEMENT_LENGTH 64
505#define PQI_ADMIN_OQ_ELEMENT_LENGTH 64
506
507#define PQI_OPERATIONAL_IQ_ELEMENT_LENGTH 128
508#define PQI_OPERATIONAL_OQ_ELEMENT_LENGTH 16
509
510#define PQI_MIN_MSIX_VECTORS 1
511#define PQI_MAX_MSIX_VECTORS 64
512
513
514#define PQI_MAX_NUM_ELEMENTS_ADMIN_QUEUE 255
515#define PQI_MAX_NUM_ELEMENTS_OPERATIONAL_QUEUE 65535
516#define PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT 64
517#define PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT 16
518#define PQI_ADMIN_INDEX_ALIGNMENT 64
519#define PQI_OPERATIONAL_INDEX_ALIGNMENT 4
520
521#define PQI_MIN_OPERATIONAL_QUEUE_ID 1
522#define PQI_MAX_OPERATIONAL_QUEUE_ID 65535
523
524#define PQI_AIO_SERV_RESPONSE_COMPLETE 0
525#define PQI_AIO_SERV_RESPONSE_FAILURE 1
526#define PQI_AIO_SERV_RESPONSE_TMF_COMPLETE 2
527#define PQI_AIO_SERV_RESPONSE_TMF_SUCCEEDED 3
528#define PQI_AIO_SERV_RESPONSE_TMF_REJECTED 4
529#define PQI_AIO_SERV_RESPONSE_TMF_INCORRECT_LUN 5
530
531#define PQI_AIO_STATUS_IO_ERROR 0x1
532#define PQI_AIO_STATUS_IO_ABORTED 0x2
533#define PQI_AIO_STATUS_NO_PATH_TO_DEVICE 0x3
534#define PQI_AIO_STATUS_INVALID_DEVICE 0x4
535#define PQI_AIO_STATUS_AIO_PATH_DISABLED 0xe
536#define PQI_AIO_STATUS_UNDERRUN 0x51
537#define PQI_AIO_STATUS_OVERRUN 0x75
538
539typedef u32 pqi_index_t;
540
541
542#define SOP_NO_DIRECTION_FLAG 0
543#define SOP_WRITE_FLAG 1
544
545#define SOP_READ_FLAG 2
546
547#define SOP_BIDIRECTIONAL 3
548
549
550
551#define SOP_TASK_ATTRIBUTE_SIMPLE 0
552#define SOP_TASK_ATTRIBUTE_HEAD_OF_QUEUE 1
553#define SOP_TASK_ATTRIBUTE_ORDERED 2
554#define SOP_TASK_ATTRIBUTE_ACA 4
555
556#define SOP_TMF_COMPLETE 0x0
557#define SOP_TMF_FUNCTION_SUCCEEDED 0x8
558
559
560#define SOP_ADDITIONAL_CDB_BYTES_0 0
561#define SOP_ADDITIONAL_CDB_BYTES_4 1
562#define SOP_ADDITIONAL_CDB_BYTES_8 2
563#define SOP_ADDITIONAL_CDB_BYTES_12 3
564#define SOP_ADDITIONAL_CDB_BYTES_16 4
565
566
567
568
569
570struct pqi_admin_queues_aligned {
571 __aligned(PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT)
572 u8 iq_element_array[PQI_ADMIN_IQ_ELEMENT_LENGTH]
573 [PQI_ADMIN_IQ_NUM_ELEMENTS];
574 __aligned(PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT)
575 u8 oq_element_array[PQI_ADMIN_OQ_ELEMENT_LENGTH]
576 [PQI_ADMIN_OQ_NUM_ELEMENTS];
577 __aligned(PQI_ADMIN_INDEX_ALIGNMENT) pqi_index_t iq_ci;
578 __aligned(PQI_ADMIN_INDEX_ALIGNMENT) pqi_index_t oq_pi;
579};
580
581struct pqi_admin_queues {
582 void *iq_element_array;
583 void *oq_element_array;
584 volatile pqi_index_t *iq_ci;
585 volatile pqi_index_t *oq_pi;
586 dma_addr_t iq_element_array_bus_addr;
587 dma_addr_t oq_element_array_bus_addr;
588 dma_addr_t iq_ci_bus_addr;
589 dma_addr_t oq_pi_bus_addr;
590 __le32 __iomem *iq_pi;
591 pqi_index_t iq_pi_copy;
592 __le32 __iomem *oq_ci;
593 pqi_index_t oq_ci_copy;
594 struct task_struct *task;
595 u16 int_msg_num;
596};
597
598struct pqi_queue_group {
599 struct pqi_ctrl_info *ctrl_info;
600 u16 iq_id[2];
601 u16 oq_id;
602 u16 int_msg_num;
603 void *iq_element_array[2];
604 void *oq_element_array;
605 dma_addr_t iq_element_array_bus_addr[2];
606 dma_addr_t oq_element_array_bus_addr;
607 __le32 __iomem *iq_pi[2];
608 pqi_index_t iq_pi_copy[2];
609 volatile pqi_index_t *iq_ci[2];
610 volatile pqi_index_t *oq_pi;
611 dma_addr_t iq_ci_bus_addr[2];
612 dma_addr_t oq_pi_bus_addr;
613 __le32 __iomem *oq_ci;
614 pqi_index_t oq_ci_copy;
615 spinlock_t submit_lock[2];
616 struct list_head request_list[2];
617};
618
619struct pqi_event_queue {
620 u16 oq_id;
621 u16 int_msg_num;
622 void *oq_element_array;
623 volatile pqi_index_t *oq_pi;
624 dma_addr_t oq_element_array_bus_addr;
625 dma_addr_t oq_pi_bus_addr;
626 __le32 __iomem *oq_ci;
627 pqi_index_t oq_ci_copy;
628};
629
630#define PQI_DEFAULT_QUEUE_GROUP 0
631#define PQI_MAX_QUEUE_GROUPS PQI_MAX_MSIX_VECTORS
632
633struct pqi_encryption_info {
634 u16 data_encryption_key_index;
635 u32 encrypt_tweak_lower;
636 u32 encrypt_tweak_upper;
637};
638
639#pragma pack(1)
640
641#define PQI_CONFIG_TABLE_SIGNATURE "CFGTABLE"
642#define PQI_CONFIG_TABLE_MAX_LENGTH ((u16)~0)
643
644
645#define PQI_CONFIG_TABLE_SECTION_GENERAL_INFO 0
646#define PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES 1
647#define PQI_CONFIG_TABLE_SECTION_FIRMWARE_ERRATA 2
648#define PQI_CONFIG_TABLE_SECTION_DEBUG 3
649#define PQI_CONFIG_TABLE_SECTION_HEARTBEAT 4
650
651struct pqi_config_table {
652 u8 signature[8];
653 __le32 first_section_offset;
654
655
656};
657
658struct pqi_config_table_section_header {
659 __le16 section_id;
660
661
662 __le16 next_section_offset;
663
664
665};
666
667struct pqi_config_table_general_info {
668 struct pqi_config_table_section_header header;
669 __le32 section_length;
670
671 __le32 max_outstanding_requests;
672
673
674 __le32 max_sg_size;
675
676 __le32 max_sg_per_request;
677
678
679};
680
681struct pqi_config_table_debug {
682 struct pqi_config_table_section_header header;
683 __le32 scratchpad;
684};
685
686struct pqi_config_table_heartbeat {
687 struct pqi_config_table_section_header header;
688 __le32 heartbeat_counter;
689};
690
691union pqi_reset_register {
692 struct {
693 u32 reset_type : 3;
694 u32 reserved : 2;
695 u32 reset_action : 3;
696 u32 hold_in_pd1 : 1;
697 u32 reserved2 : 23;
698 } bits;
699 u32 all_bits;
700};
701
702#define PQI_RESET_ACTION_RESET 0x1
703
704#define PQI_RESET_TYPE_NO_RESET 0x0
705#define PQI_RESET_TYPE_SOFT_RESET 0x1
706#define PQI_RESET_TYPE_FIRM_RESET 0x2
707#define PQI_RESET_TYPE_HARD_RESET 0x3
708
709#define PQI_RESET_ACTION_COMPLETED 0x2
710
711#define PQI_RESET_POLL_INTERVAL_MSECS 100
712
713#define PQI_MAX_OUTSTANDING_REQUESTS ((u32)~0)
714#define PQI_MAX_OUTSTANDING_REQUESTS_KDUMP 32
715#define PQI_MAX_TRANSFER_SIZE (1024U * 1024U)
716#define PQI_MAX_TRANSFER_SIZE_KDUMP (512 * 1024U)
717
718#define RAID_MAP_MAX_ENTRIES 1024
719
720#define PQI_PHYSICAL_DEVICE_BUS 0
721#define PQI_RAID_VOLUME_BUS 1
722#define PQI_HBA_BUS 2
723#define PQI_EXTERNAL_RAID_VOLUME_BUS 3
724#define PQI_MAX_BUS PQI_EXTERNAL_RAID_VOLUME_BUS
725
726struct report_lun_header {
727 __be32 list_length;
728 u8 extended_response;
729 u8 reserved[3];
730};
731
732struct report_log_lun_extended_entry {
733 u8 lunid[8];
734 u8 volume_id[16];
735};
736
737struct report_log_lun_extended {
738 struct report_lun_header header;
739 struct report_log_lun_extended_entry lun_entries[1];
740};
741
742struct report_phys_lun_extended_entry {
743 u8 lunid[8];
744 __be64 wwid;
745 u8 device_type;
746 u8 device_flags;
747 u8 lun_count;
748 u8 redundant_paths;
749 u32 aio_handle;
750};
751
752
753#define REPORT_PHYS_LUN_DEV_FLAG_AIO_ENABLED 0x8
754
755struct report_phys_lun_extended {
756 struct report_lun_header header;
757 struct report_phys_lun_extended_entry lun_entries[1];
758};
759
760struct raid_map_disk_data {
761 u32 aio_handle;
762 u8 xor_mult[2];
763 u8 reserved[2];
764};
765
766
767#define RAID_MAP_ENCRYPTION_ENABLED 0x1
768
769struct raid_map {
770 __le32 structure_size;
771 __le32 volume_blk_size;
772 __le64 volume_blk_cnt;
773 u8 phys_blk_shift;
774
775
776 u8 parity_rotation_shift;
777
778
779 __le16 strip_size;
780 __le64 disk_starting_blk;
781 __le64 disk_blk_cnt;
782 __le16 data_disks_per_row;
783 __le16 metadata_disks_per_row;
784
785 __le16 row_cnt;
786 __le16 layout_map_count;
787
788 __le16 flags;
789 __le16 data_encryption_key_index;
790 u8 reserved[16];
791 struct raid_map_disk_data disk_data[RAID_MAP_MAX_ENTRIES];
792};
793
794#pragma pack()
795
796#define RAID_CTLR_LUNID "\0\0\0\0\0\0\0\0"
797
798struct pqi_scsi_dev {
799 int devtype;
800 u8 device_type;
801
802
803 int bus;
804 int target;
805 int lun;
806 u8 scsi3addr[8];
807 __be64 wwid;
808 u8 volume_id[16];
809 u8 is_physical_device : 1;
810 u8 is_external_raid_device : 1;
811 u8 target_lun_valid : 1;
812 u8 device_gone : 1;
813 u8 new_device : 1;
814 u8 keep_device : 1;
815 u8 volume_offline : 1;
816 bool aio_enabled;
817 bool in_reset;
818 bool device_offline;
819 u8 vendor[8];
820 u8 model[16];
821 u64 sas_address;
822 u8 raid_level;
823 u16 queue_depth;
824 u16 advertised_queue_depth;
825 u32 aio_handle;
826 u8 volume_status;
827 u8 active_path_index;
828 u8 path_map;
829 u8 bay;
830 u8 box[8];
831 u16 phys_connector[8];
832 bool raid_bypass_configured;
833 bool raid_bypass_enabled;
834 int offload_to_mirror;
835
836 struct raid_map *raid_map;
837
838 struct pqi_sas_port *sas_port;
839 struct scsi_device *sdev;
840
841 struct list_head scsi_device_list_entry;
842 struct list_head new_device_list_entry;
843 struct list_head add_list_entry;
844 struct list_head delete_list_entry;
845
846 atomic_t scsi_cmds_outstanding;
847};
848
849
850#define SCSI_VPD_SUPPORTED_PAGES 0x0
851#define SCSI_VPD_DEVICE_ID 0x83
852#define CISS_VPD_LV_DEVICE_GEOMETRY 0xc1
853#define CISS_VPD_LV_BYPASS_STATUS 0xc2
854#define CISS_VPD_LV_STATUS 0xc3
855
856#define VPD_PAGE (1 << 8)
857
858#pragma pack(1)
859
860
861struct ciss_vpd_logical_volume_status {
862 u8 peripheral_info;
863 u8 page_code;
864 u8 reserved;
865 u8 page_length;
866 u8 volume_status;
867 u8 reserved2[3];
868 __be32 flags;
869};
870
871#pragma pack()
872
873
874#define CISS_LV_OK 0
875#define CISS_LV_FAILED 1
876#define CISS_LV_NOT_CONFIGURED 2
877#define CISS_LV_DEGRADED 3
878#define CISS_LV_READY_FOR_RECOVERY 4
879#define CISS_LV_UNDERGOING_RECOVERY 5
880#define CISS_LV_WRONG_PHYSICAL_DRIVE_REPLACED 6
881#define CISS_LV_PHYSICAL_DRIVE_CONNECTION_PROBLEM 7
882#define CISS_LV_HARDWARE_OVERHEATING 8
883#define CISS_LV_HARDWARE_HAS_OVERHEATED 9
884#define CISS_LV_UNDERGOING_EXPANSION 10
885#define CISS_LV_NOT_AVAILABLE 11
886#define CISS_LV_QUEUED_FOR_EXPANSION 12
887#define CISS_LV_DISABLED_SCSI_ID_CONFLICT 13
888#define CISS_LV_EJECTED 14
889#define CISS_LV_UNDERGOING_ERASE 15
890
891#define CISS_LV_READY_FOR_PREDICTIVE_SPARE_REBUILD 17
892#define CISS_LV_UNDERGOING_RPI 18
893#define CISS_LV_PENDING_RPI 19
894#define CISS_LV_ENCRYPTED_NO_KEY 20
895
896#define CISS_LV_UNDERGOING_ENCRYPTION 22
897#define CISS_LV_UNDERGOING_ENCRYPTION_REKEYING 23
898#define CISS_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER 24
899#define CISS_LV_PENDING_ENCRYPTION 25
900#define CISS_LV_PENDING_ENCRYPTION_REKEYING 26
901#define CISS_LV_NOT_SUPPORTED 27
902#define CISS_LV_STATUS_UNAVAILABLE 255
903
904
905#define CISS_LV_FLAGS_NO_HOST_IO 0x1
906
907
908
909struct pqi_sas_node {
910 struct device *parent_dev;
911 struct list_head port_list_head;
912};
913
914struct pqi_sas_port {
915 struct list_head port_list_entry;
916 u64 sas_address;
917 struct sas_port *port;
918 int next_phy_index;
919 struct list_head phy_list_head;
920 struct pqi_sas_node *parent_node;
921 struct sas_rphy *rphy;
922};
923
924struct pqi_sas_phy {
925 struct list_head phy_list_entry;
926 struct sas_phy *phy;
927 struct pqi_sas_port *parent_port;
928 bool added_to_port;
929};
930
931struct pqi_io_request {
932 atomic_t refcount;
933 u16 index;
934 void (*io_complete_callback)(struct pqi_io_request *io_request,
935 void *context);
936 void *context;
937 u8 raid_bypass : 1;
938 int status;
939 struct pqi_queue_group *queue_group;
940 struct scsi_cmnd *scmd;
941 void *error_info;
942 struct pqi_sg_descriptor *sg_chain_buffer;
943 dma_addr_t sg_chain_buffer_dma_handle;
944 void *iu;
945 struct list_head request_list_entry;
946};
947
948#define PQI_NUM_SUPPORTED_EVENTS 6
949
950struct pqi_event {
951 bool pending;
952 u8 event_type;
953 __le16 event_id;
954 __le32 additional_event_id;
955};
956
957#define PQI_RESERVED_IO_SLOTS_LUN_RESET 1
958#define PQI_RESERVED_IO_SLOTS_EVENT_ACK PQI_NUM_SUPPORTED_EVENTS
959#define PQI_RESERVED_IO_SLOTS_SYNCHRONOUS_REQUESTS 3
960#define PQI_RESERVED_IO_SLOTS \
961 (PQI_RESERVED_IO_SLOTS_LUN_RESET + PQI_RESERVED_IO_SLOTS_EVENT_ACK + \
962 PQI_RESERVED_IO_SLOTS_SYNCHRONOUS_REQUESTS)
963
964struct pqi_ctrl_info {
965 unsigned int ctrl_id;
966 struct pci_dev *pci_dev;
967 char firmware_version[11];
968 void __iomem *iomem_base;
969 struct pqi_ctrl_registers __iomem *registers;
970 struct pqi_device_registers __iomem *pqi_registers;
971 u32 max_sg_entries;
972 u32 config_table_offset;
973 u32 config_table_length;
974 u16 max_inbound_queues;
975 u16 max_elements_per_iq;
976 u16 max_iq_element_length;
977 u16 max_outbound_queues;
978 u16 max_elements_per_oq;
979 u16 max_oq_element_length;
980 u32 max_transfer_size;
981 u32 max_outstanding_requests;
982 u32 max_io_slots;
983 unsigned int scsi_ml_can_queue;
984 unsigned short sg_tablesize;
985 unsigned int max_sectors;
986 u32 error_buffer_length;
987 void *error_buffer;
988 dma_addr_t error_buffer_dma_handle;
989 size_t sg_chain_buffer_length;
990 unsigned int num_queue_groups;
991 u16 max_hw_queue_index;
992 u16 num_elements_per_iq;
993 u16 num_elements_per_oq;
994 u16 max_inbound_iu_length_per_firmware;
995 u16 max_inbound_iu_length;
996 unsigned int max_sg_per_iu;
997 void *admin_queue_memory_base;
998 u32 admin_queue_memory_length;
999 dma_addr_t admin_queue_memory_base_dma_handle;
1000 void *queue_memory_base;
1001 u32 queue_memory_length;
1002 dma_addr_t queue_memory_base_dma_handle;
1003 struct pqi_admin_queues admin_queues;
1004 struct pqi_queue_group queue_groups[PQI_MAX_QUEUE_GROUPS];
1005 struct pqi_event_queue event_queue;
1006 enum pqi_irq_mode irq_mode;
1007 int max_msix_vectors;
1008 int num_msix_vectors_enabled;
1009 int num_msix_vectors_initialized;
1010 int event_irq;
1011 struct Scsi_Host *scsi_host;
1012
1013 struct mutex scan_mutex;
1014 struct mutex lun_reset_mutex;
1015 bool controller_online;
1016 bool block_requests;
1017 u8 inbound_spanning_supported : 1;
1018 u8 outbound_spanning_supported : 1;
1019 u8 pqi_mode_enabled : 1;
1020 u8 pqi_reset_quiesce_supported : 1;
1021
1022 struct list_head scsi_device_list;
1023 spinlock_t scsi_device_list_lock;
1024
1025 struct delayed_work rescan_work;
1026 struct delayed_work update_time_work;
1027
1028 struct pqi_sas_node *sas_host;
1029 u64 sas_address;
1030
1031 struct pqi_io_request *io_request_pool;
1032 u16 next_io_request_slot;
1033
1034 struct pqi_event events[PQI_NUM_SUPPORTED_EVENTS];
1035 struct work_struct event_work;
1036
1037 atomic_t num_interrupts;
1038 int previous_num_interrupts;
1039 u32 previous_heartbeat_count;
1040 __le32 __iomem *heartbeat_counter;
1041 struct timer_list heartbeat_timer;
1042 struct work_struct ctrl_offline_work;
1043
1044 struct semaphore sync_request_sem;
1045 atomic_t num_busy_threads;
1046 atomic_t num_blocked_threads;
1047 wait_queue_head_t block_requests_wait;
1048
1049 struct list_head raid_bypass_retry_list;
1050 spinlock_t raid_bypass_retry_list_lock;
1051 struct work_struct raid_bypass_retry_work;
1052};
1053
1054enum pqi_ctrl_mode {
1055 SIS_MODE = 0,
1056 PQI_MODE
1057};
1058
1059
1060
1061
1062#define PQI_PHYSICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH 27
1063
1064
1065#define CISS_READ 0xc0
1066#define CISS_REPORT_LOG 0xc2
1067#define CISS_REPORT_PHYS 0xc3
1068#define CISS_GET_RAID_MAP 0xc8
1069
1070
1071#define CISS_REPORT_LOG_EXTENDED 0x1
1072#define CISS_REPORT_PHYS_EXTENDED 0x2
1073
1074
1075#define BMIC_IDENTIFY_CONTROLLER 0x11
1076#define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15
1077#define BMIC_READ 0x26
1078#define BMIC_WRITE 0x27
1079#define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
1080#define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66
1081#define BMIC_WRITE_HOST_WELLNESS 0xa5
1082#define BMIC_FLUSH_CACHE 0xc2
1083
1084#define SA_FLUSH_CACHE 0x1
1085
1086#define MASKED_DEVICE(lunid) ((lunid)[3] & 0xc0)
1087#define CISS_GET_LEVEL_2_BUS(lunid) ((lunid)[7] & 0x3f)
1088#define CISS_GET_LEVEL_2_TARGET(lunid) ((lunid)[6])
1089#define CISS_GET_DRIVE_NUMBER(lunid) \
1090 (((CISS_GET_LEVEL_2_BUS((lunid)) - 1) << 8) + \
1091 CISS_GET_LEVEL_2_TARGET((lunid)))
1092
1093#define NO_TIMEOUT ((unsigned long) -1)
1094
1095#pragma pack(1)
1096
1097struct bmic_identify_controller {
1098 u8 configured_logical_drive_count;
1099 __le32 configuration_signature;
1100 u8 firmware_version[4];
1101 u8 reserved[145];
1102 __le16 extended_logical_unit_count;
1103 u8 reserved1[34];
1104 __le16 firmware_build_number;
1105 u8 reserved2[100];
1106 u8 controller_mode;
1107 u8 reserved3[32];
1108};
1109
1110struct bmic_identify_physical_device {
1111 u8 scsi_bus;
1112 u8 scsi_id;
1113 __le16 block_size;
1114 __le32 total_blocks;
1115 __le32 reserved_blocks;
1116 u8 model[40];
1117 u8 serial_number[40];
1118 u8 firmware_revision[8];
1119 u8 scsi_inquiry_bits;
1120 u8 compaq_drive_stamp;
1121 u8 last_failure_reason;
1122 u8 flags;
1123 u8 more_flags;
1124 u8 scsi_lun;
1125 u8 yet_more_flags;
1126 u8 even_more_flags;
1127 __le32 spi_speed_rules;
1128 u8 phys_connector[2];
1129 u8 phys_box_on_bus;
1130 u8 phys_bay_in_box;
1131 __le32 rpm;
1132 u8 device_type;
1133 u8 sata_version;
1134
1135 __le64 big_total_block_count;
1136 __le64 ris_starting_lba;
1137 __le32 ris_size;
1138 u8 wwid[20];
1139 u8 controller_phy_map[32];
1140 __le16 phy_count;
1141 u8 phy_connected_dev_type[256];
1142 u8 phy_to_drive_bay_num[256];
1143 __le16 phy_to_attached_dev_index[256];
1144 u8 box_index;
1145 u8 reserved;
1146 __le16 extra_physical_drive_flags;
1147 u8 negotiated_link_rate[256];
1148 u8 phy_to_phy_map[256];
1149 u8 redundant_path_present_map;
1150 u8 redundant_path_failure_map;
1151 u8 active_path_number;
1152 __le16 alternate_paths_phys_connector[8];
1153 u8 alternate_paths_phys_box_on_port[8];
1154 u8 multi_lun_device_lun_count;
1155 u8 minimum_good_fw_revision[8];
1156 u8 unique_inquiry_bytes[20];
1157 u8 current_temperature_degrees;
1158 u8 temperature_threshold_degrees;
1159 u8 max_temperature_degrees;
1160 u8 logical_blocks_per_phys_block_exp;
1161 __le16 current_queue_depth_limit;
1162 u8 switch_name[10];
1163 __le16 switch_port;
1164 u8 alternate_paths_switch_name[40];
1165 u8 alternate_paths_switch_port[8];
1166 __le16 power_on_hours;
1167 __le16 percent_endurance_used;
1168 u8 drive_authentication;
1169 u8 smart_carrier_authentication;
1170 u8 smart_carrier_app_fw_version;
1171 u8 smart_carrier_bootloader_fw_version;
1172 u8 sanitize_flags;
1173 u8 encryption_key_flags;
1174 u8 encryption_key_name[64];
1175 __le32 misc_drive_flags;
1176 __le16 dek_index;
1177 __le16 hba_drive_encryption_flags;
1178 __le16 max_overwrite_time;
1179 __le16 max_block_erase_time;
1180 __le16 max_crypto_erase_time;
1181 u8 connector_info[5];
1182 u8 connector_name[8][8];
1183 u8 page_83_identifier[16];
1184 u8 maximum_link_rate[256];
1185 u8 negotiated_physical_link_rate[256];
1186 u8 box_connector_name[8];
1187 u8 padding_to_multiple_of_512[9];
1188};
1189
1190struct bmic_flush_cache {
1191 u8 disable_flag;
1192 u8 system_power_action;
1193 u8 ndu_flush;
1194 u8 shutdown_event;
1195 u8 reserved[28];
1196};
1197
1198
1199enum bmic_flush_cache_shutdown_event {
1200 NONE_CACHE_FLUSH_ONLY = 0,
1201 SHUTDOWN = 1,
1202 HIBERNATE = 2,
1203 SUSPEND = 3,
1204 RESTART = 4
1205};
1206
1207#pragma pack()
1208
1209int pqi_add_sas_host(struct Scsi_Host *shost, struct pqi_ctrl_info *ctrl_info);
1210void pqi_delete_sas_host(struct pqi_ctrl_info *ctrl_info);
1211int pqi_add_sas_device(struct pqi_sas_node *pqi_sas_node,
1212 struct pqi_scsi_dev *device);
1213void pqi_remove_sas_device(struct pqi_scsi_dev *device);
1214struct pqi_scsi_dev *pqi_find_device_by_sas_rphy(
1215 struct pqi_ctrl_info *ctrl_info, struct sas_rphy *rphy);
1216void pqi_prep_for_scsi_done(struct scsi_cmnd *scmd);
1217
1218extern struct sas_function_template pqi_sas_transport_functions;
1219
1220#endif
1221
