1 /*-
2  * Copyright (c) 2018 Microsemi Corporation.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 /* $FreeBSD$ */
28 
29 #ifndef _PQI_STRUCTURES_H
30 #define _PQI_STRUCTURES_H
31 
32 
33 
34 
35 struct bmic_host_wellness_driver_version {
36 	uint8_t		start_tag[4];
37 	uint8_t		driver_version_tag[2];
38 	uint16_t	driver_version_length;
39 	char		driver_version[32];
40 	uint8_t		end_tag[2];
41 
42 }OS_ATTRIBUTE_PACKED;
43 
44 
45 struct bmic_host_wellness_time {
46 	uint8_t		start_tag[4];
47 	uint8_t		time_tag[2];
48 	uint16_t	time_length;
49 	uint8_t		hour;
50 	uint8_t		min;
51 	uint8_t		sec;
52 	uint8_t		reserved;
53 	uint8_t		month;
54 	uint8_t		day;
55 	uint8_t		century;
56 	uint8_t		year;
57 	uint8_t		dont_write_tag[2];
58 	uint8_t		end_tag[2];
59 
60 }OS_ATTRIBUTE_PACKED;
61 
62 
63 /* As per PQI Spec pqi-2r00a , 6.2.2. */
64 
65 /* device capability register , for admin q table 24 */
66 struct pqi_dev_adminq_cap {
67 	uint8_t		max_admin_ibq_elem;
68 	uint8_t		max_admin_obq_elem;
69 	uint8_t		admin_ibq_elem_len;
70 	uint8_t		admin_obq_elem_len;
71 	uint16_t	max_pqi_dev_reset_tmo;
72 	uint8_t		res[2];
73 }OS_ATTRIBUTE_PACKED;
74 
75 /* admin q parameter reg , table 36 */
76 struct admin_q_param {
77 	uint8_t		num_iq_elements;
78 	uint8_t		num_oq_elements;
79 	uint8_t		intr_msg_num;
80 	uint8_t		msix_disable;
81 }OS_ATTRIBUTE_PACKED;
82 
83 struct pqi_registers {
84 	uint64_t		signature;
85 	uint64_t		admin_q_config;
86 	uint64_t	 	pqi_dev_adminq_cap;
87 	uint32_t		legacy_intr_status;
88 	uint32_t		legacy_intr_mask_set;
89 	uint32_t		legacy_intr_mask_clr;
90 	uint8_t			res1[28];
91 	uint32_t		pqi_dev_status;
92 	uint8_t			res2[4];
93 	uint64_t		admin_ibq_pi_offset;
94 	uint64_t		admin_obq_ci_offset;
95 	uint64_t		admin_ibq_elem_array_addr;
96 	uint64_t		admin_obq_elem_array_addr;
97 	uint64_t		admin_ibq_ci_addr;
98 	uint64_t		admin_obq_pi_addr;
99 	uint32_t	 	admin_q_param;
100 	uint8_t			res3[4];
101 	uint32_t		pqi_dev_err;
102 	uint8_t			res4[4];
103 	uint64_t		error_details;
104 	uint32_t		dev_reset;
105 	uint32_t		power_action;
106 	uint8_t			res5[104];
107 }OS_ATTRIBUTE_PACKED;
108 
109 /*
110  * IOA controller registers
111  * Mapped in PCIe BAR 0.
112  */
113 
114 struct ioa_registers {
115 	uint8_t		res1[0x18];
116 	uint32_t	host_to_ioa_db_mask_clr; 	/* 18h */
117 	uint8_t		res2[4];
118 	uint32_t	host_to_ioa_db;			/* 20h */
119 	uint8_t		res3[4];
120 	uint32_t	host_to_ioa_db_clr;		/* 28h */
121 	uint8_t		res4[8];
122 	uint32_t	ioa_to_host_glob_int_mask;	/* 34h */
123 	uint8_t		res5[0x64];
124 	uint32_t	ioa_to_host_db;			/* 9Ch */
125 	uint32_t	ioa_to_host_db_clr;		/* A0h */
126 	uint8_t		res6[4];
127 	uint32_t	ioa_to_host_db_mask;		/* A8h */
128 	uint32_t	ioa_to_host_db_mask_clr;	/* ACh */
129 	uint32_t	scratchpad0;			/* B0h */
130 	uint32_t	scratchpad1;			/* B4h */
131 	uint32_t	scratchpad2;			/* B8h */
132 	uint32_t	scratchpad3_fw_status;		/* BCh */
133 	uint8_t		res7[8];
134 	uint32_t	scratchpad4;			/* C8h */
135 	uint8_t		res8[0xf34];			/* 0xC8 + 4 + 0xf34 = 1000h */
136 	uint32_t	mb[8];				/* 1000h */
137 }OS_ATTRIBUTE_PACKED;
138 
139 
140 /* PQI Preferred settings */
141 struct pqi_pref_settings {
142 	uint16_t	max_cmd_size;
143 	uint16_t	max_fib_size;
144 }OS_ATTRIBUTE_PACKED;
145 
146 /* pqi capability by sis interface */
147 struct pqi_cap {
148 	uint32_t	max_sg_elem;
149 	uint32_t	max_transfer_size;
150 	uint32_t	max_outstanding_io;
151 	uint32_t	conf_tab_off;
152 	uint32_t	conf_tab_sz;
153 }OS_ATTRIBUTE_PACKED;
154 
155 struct pqi_conf_table {
156 	uint8_t		sign[8];		/* "CFGTABLE" */
157 	uint32_t	first_section_off;
158 };
159 
160 struct pqi_conf_table_section_header {
161 	uint16_t	section_id;
162 	uint16_t	next_section_off;
163 };
164 
165 struct pqi_conf_table_general_info {
166 	struct pqi_conf_table_section_header header;
167 	uint32_t	section_len;
168 	uint32_t	max_outstanding_req;
169 	uint32_t	max_sg_size;
170 	uint32_t	max_sg_per_req;
171 };
172 
173 struct pqi_conf_table_debug {
174 	struct pqi_conf_table_section_header header;
175 	uint32_t	scratchpad;
176 };
177 
178 struct pqi_conf_table_heartbeat {
179 	struct pqi_conf_table_section_header header;
180 	uint32_t	heartbeat_counter;
181 };
182 
183 typedef union pqi_reset_reg {
184 	struct {
185 		uint32_t reset_type : 3;
186 		uint32_t reserved : 2;
187 		uint32_t reset_action : 3;
188 		uint32_t hold_in_pd1 : 1;
189 		uint32_t reserved2 : 23;
190 	} bits;
191 	uint32_t all_bits;
192 }pqi_reset_reg_t;
193 
194 /* Memory descriptor for DMA memory allocation */
195 typedef struct dma_mem {
196 	void			*virt_addr;
197 	dma_addr_t 		dma_addr;
198 	uint32_t 		size;
199 	uint32_t 		align;
200 	char 			*tag;
201         bus_dma_tag_t dma_tag;
202         bus_dmamap_t dma_map;
203 }dma_mem_t;
204 
205 /* Lock should be 8 byte aligned  */
206 
207 #ifndef LOCKFREE_STACK
208 
209 typedef struct pqi_taglist {
210         uint32_t        max_elem;
211         uint32_t        num_elem;
212         uint32_t        head;
213         uint32_t        tail;
214         uint32_t       	*elem_array;
215 	boolean_t       lockcreated;
216 	char            lockname[LOCKNAME_SIZE];
217 	OS_LOCK_T       lock	OS_ATTRIBUTE_ALIGNED(8);
218 }pqi_taglist_t;
219 
220 #else	/* LOCKFREE_STACK */
221 
222 union head_list {
223         struct {
224                 uint32_t        seq_no; /* To avoid aba problem */
225                 uint32_t        index;  /* Index at the top of the stack */
226         }top;
227         uint64_t        data;
228 };
229 /* lock-free stack used to push and pop the tag used for IO request */
230 typedef struct  lockless_stack {
231         uint32_t                        *next_index_array;
232         uint32_t                        num_elements;
233         volatile union head_list      head	OS_ATTRIBUTE_ALIGNED(8);
234 }lockless_stack_t;
235 
236 #endif /* LOCKFREE_STACK */
237 
238 /*
239  * PQI SGL descriptor layouts.
240  */
241 /*
242  * SGL (Scatter Gather List) descriptor Codes
243  */
244 
245 #define SGL_DESCRIPTOR_CODE_DATA_BLOCK                     0x0
246 #define SGL_DESCRIPTOR_CODE_BIT_BUCKET                     0x1
247 #define SGL_DESCRIPTOR_CODE_STANDARD_SEGMENT               0x2
248 #define SGL_DESCRIPTOR_CODE_LAST_STANDARD_SEGMENT          0x3
249 #define SGL_DESCRIPTOR_CODE_LAST_ALTERNATIVE_SGL_SEGMENT   0x4
250 #define SGL_DESCRIPTOR_CODE_VENDOR_SPECIFIC                0xF
251 
252 typedef struct sgl_descriptor
253 {
254 	uint64_t	addr;	/* !< Bytes 0-7.  The starting 64-bit memory byte address of the data block. */
255 	uint32_t	length;	/* !< Bytes 8-11.  The length in bytes of the data block.  Set to 0x00000000 specifies that no data be transferred. */
256 	uint8_t		res[3];	/* !< Bytes 12-14. */
257 	uint8_t     	zero : 4; /* !< Byte 15, Bits 0-3. */
258 	uint8_t     	type : 4; /* !< Byte 15, Bits 4-7. sgl descriptor type */
259 } sg_desc_t;
260 
261 /* PQI IUs */
262 typedef struct iu_header
263 {
264 	uint8_t		iu_type;
265 	uint8_t		comp_feature;
266 	uint16_t	iu_length;
267 }OS_ATTRIBUTE_PACKED iu_header_t;
268 
269 
270 typedef struct general_admin_request /* REPORT_PQI_DEVICE_CAPABILITY, REPORT_MANUFACTURER_INFO,  REPORT_OPERATIONAL_IQ,  REPORT_OPERATIONAL_OQ all same layout. */
271 {
272 	iu_header_t	header;		/* !< Bytes 0-3. */
273 	uint16_t	res1;
274 	uint16_t	work;
275 	uint16_t	req_id;		/* !< Bytes 8-9. request identifier */
276 	uint8_t		fn_code;	/* !< Byte 10. which administrator function */
277 	union {
278 		struct {
279 			uint8_t		res2[33];	/* !< Bytes 11-43. function specific */
280 			uint32_t	buf_size;	/* !< Bytes 44-47. size in bytes of the Data-In/Out Buffer */
281 			sg_desc_t	sg_desc;	/* !< Bytes 48-63. SGL */
282         } OS_ATTRIBUTE_PACKED general_func;
283 
284 		struct {
285 			uint8_t		res1;
286 			uint16_t	qid;
287 			uint8_t		res2[2];
288 			uint64_t	elem_arr_addr;
289 			uint64_t	iq_ci_addr;
290 			uint16_t	num_elem;
291 			uint16_t	elem_len;
292 			uint8_t		queue_proto;
293 			uint8_t		arb_prio;
294 			uint8_t		res3[22];
295 			uint32_t	vend_specific;
296         } OS_ATTRIBUTE_PACKED create_op_iq;
297 
298 		struct {
299 			uint8_t		res1;
300 			uint16_t	qid;
301 			uint8_t		res2[2];
302 			uint64_t	elem_arr_addr;
303 			uint64_t	ob_pi_addr;
304 			uint16_t	num_elem;
305 			uint16_t	elem_len;
306 			uint8_t		queue_proto;
307 			uint8_t		res3[3];
308 			uint16_t	intr_msg_num;
309 			uint16_t	coales_count;
310 			uint32_t	min_coales_time;
311 			uint32_t	max_coales_time;
312 			uint8_t		res4[8];
313 			uint32_t	vend_specific;
314         } OS_ATTRIBUTE_PACKED create_op_oq;
315 
316 		struct {
317 			uint8_t		res1;
318 			uint16_t	qid;
319 			uint8_t		res2[50];
320         } OS_ATTRIBUTE_PACKED delete_op_queue;
321 
322 		struct {
323 			uint8_t		res1;
324 			uint16_t	qid;
325 			uint8_t		res2[46];
326 			uint32_t	vend_specific;
327         } OS_ATTRIBUTE_PACKED change_op_iq_prop;
328 
329     } OS_ATTRIBUTE_PACKED req_type;
330 
331 }OS_ATTRIBUTE_PACKED gen_adm_req_iu_t;
332 
333 
334 typedef struct general_admin_response {
335 	iu_header_t 	header;
336 	uint16_t	res1;
337 	uint16_t	work;
338 	uint16_t	req_id;
339 	uint8_t		fn_code;
340 	uint8_t		status;
341 	union {
342 		struct {
343 			uint8_t		status_desc[4];
344 			uint64_t	pi_offset;
345 			uint8_t		res[40];
346         }  OS_ATTRIBUTE_PACKED  create_op_iq;
347 
348 		struct {
349 			uint8_t		status_desc[4];
350 			uint64_t	ci_offset;
351 			uint8_t		res[40];
352         }  OS_ATTRIBUTE_PACKED  create_op_oq;
353     }  OS_ATTRIBUTE_PACKED  resp_type;
354 } OS_ATTRIBUTE_PACKED gen_adm_resp_iu_t ;
355 
356 /*report and set Event config IU*/
357 
358 typedef struct pqi_event_config_request {
359 	iu_header_t   	header;
360 	uint16_t	response_queue_id;	/* specifies the OQ where the response
361 					                    	IU is to be delivered */
362 	uint8_t	    	work_area[2];		/* reserved for driver use */
363 	uint16_t	request_id;
364 	union {
365 		uint16_t  	reserved;           /* Report event config iu */
366 		uint16_t  	global_event_oq_id; /* Set event config iu */
367 	}iu_specific;
368 	uint32_t	buffer_length;
369 	sg_desc_t     	sg_desc;
370 }pqi_event_config_request_t;
371 #if 0
372 typedef struct pqi_set_event_config_request {
373 	iu_header_t  header;
374 	uint16_t  	response_queue_id;  /* specifies the OQ where the response
375 													IU is to be delivered */
376 	uint8_t   	work_area[2];   /* reserved for driver use */
377 	uint16_t	request_id;
378 	uint16_t	global_event_oq_id;
379 	uint32_t	buffer_length;
380 	sg_desc_t 	sg_desc;
381 }pqi_set_event_config_request_t;
382 #endif
383 
384  /* Report/Set event config data-in/data-out buffer structure */
385 
386 #define PQI_MAX_EVENT_DESCRIPTORS 255
387 
388 struct pqi_event_descriptor {
389 	uint8_t  	event_type;
390 	uint8_t  	reserved;
391 	uint16_t	oq_id;
392 };
393 
394 typedef struct pqi_event_config {
395 	uint8_t  	reserved[2];
396 	uint8_t  	num_event_descriptors;
397 	uint8_t  	reserved1;
398 	struct		pqi_event_descriptor descriptors[PQI_MAX_EVENT_DESCRIPTORS];
399 }pqi_event_config_t;
400 
401 /*management response IUs */
402 typedef struct pqi_management_response{
403    	iu_header_t		header;
404 	uint16_t 		reserved1;
405 	uint8_t 		work_area[2];
406 	uint16_t		req_id;
407 	uint8_t 		result;
408 	uint8_t			reserved[5];
409 	uint64_t		result_data;
410 }pqi_management_response_t;
411   /*Event response IU*/
412 typedef struct pqi_event_response {
413 	iu_header_t 		header;
414 	uint16_t 		reserved1;
415 	uint8_t 		work_area[2];
416 	uint8_t 		event_type;
417 	uint8_t 		reserved2 : 7;
418 	uint8_t 		request_acknowledge : 1;
419 	uint16_t	  	event_id;
420 	uint32_t	  	additional_event_id;
421 	uint8_t 		data[16];
422 }pqi_event_response_t;
423 
424   /*event acknowledge IU*/
425 typedef struct pqi_event_acknowledge_request {
426 	iu_header_t 		header;
427 	uint16_t 		reserved1;
428 	uint8_t 		work_area[2];
429 	uint8_t 		event_type;
430 	uint8_t 		reserved2;
431 	uint16_t	  	event_id;
432 	uint32_t	  	additional_event_id;
433 }pqi_event_acknowledge_request_t;
434 
435 struct pqi_event {
436 	boolean_t	pending;
437 	uint8_t	  	event_type;
438 	uint16_t	event_id;
439 	uint32_t	additional_event_id;
440 };
441 
442 
443 typedef struct op_q_params
444 {
445 	uint8_t		fn_code;
446 	uint16_t        qid;
447 	uint16_t	num_elem;
448 	uint16_t	elem_len;
449 	uint16_t	int_msg_num;
450 
451 } OS_ATTRIBUTE_PACKED op_q_params;
452 
453 
454 /* Driver will use this structure to interpret the error
455    info element returned from a failed requests */
456 typedef struct raid_path_error_info_elem {
457 	uint8_t		data_in_result;		/* !< Byte 0.  See SOP spec Table 77. */
458 	uint8_t		data_out_result;	/* !< Byte 1.  See SOP spec Table 78. */
459 	uint8_t		reserved[3];		/* !< Bytes 2-4. */
460 	uint8_t		status;			/* !< Byte 5. See SAM-5 specification "Status" codes Table 40. Defined in Storport.h */
461 	uint16_t	status_qual;		/* !< Bytes 6-7. See SAM-5 specification Table 43. */
462 	uint16_t	sense_data_len;		/* !< Bytes 8-9. See SOP specification table 79. */
463 	uint16_t	resp_data_len;		/* !< Bytes 10-11. See SOP specification table 79. */
464 	uint32_t	data_in_transferred;	/* !< Bytes 12-15. If "dada_in_result = 0x01 (DATA_IN BUFFER UNDERFLOW)", Indicates the number of contiguous bytes starting with offset zero in Data-In buffer else Ignored. */
465 	uint32_t	data_out_transferred;	/* !< Bytes 16-19. If "data_out_result = 0x01 (DATA_OUT BUFFER UNDERFLOW)", Indicates the number of contiguous bytes starting with offset zero in Data-Out buffer else Ignored. */
466 	uint8_t		data[256];              /* !< Bytes 20-275. Response Data buffer or Sense Data buffer but not both. */
467 }OS_ATTRIBUTE_PACKED raid_path_error_info_elem_t;
468 
469 #define PQI_ERROR_BUFFER_ELEMENT_LENGTH sizeof(raid_path_error_info_elem_t)
470 
471 typedef enum error_data_present
472 {
473    DATA_PRESENT_NO_DATA       = 0,   /* !< No data present in Data buffer. */
474    DATA_PRESENT_RESPONSE_DATA = 1,   /* !< Response data is present in Data buffer. */
475    DATA_PRESENT_SENSE_DATA    = 2    /* !< Sense data is present in Data buffer. */
476 } error_data_present_t;
477 
478 typedef struct aio_path_error_info_elem
479 {
480 	uint8_t		status;			/* !< Byte 0.  See SAM-5 specification "SCSI Status" codes Table 40. Defined in Storport.h */
481 	uint8_t		service_resp;		/* !< Byte 1.  SCSI Service Response.  */
482 	uint8_t		data_pres;		/* !< Byte 2.  Bits [7:2] reserved. Bits [1:0] - 0=No data, 1=Response data, 2=Sense data. */
483 	uint8_t		reserved1;		/* !< Byte 3.  Reserved. */
484 	uint32_t	resd_count;		/* !< Bytes 4-7.  The residual data length in bytes. Need the original transfer size and if Status is OverRun or UnderRun. */
485 	uint16_t	data_len;		/* !< Bytes 8-9.  The amount of Sense data or Response data returned in Response/Sense Data buffer. */
486 	uint16_t	reserved2;		/* !< Bytes 10.  Reserved. */
487 	uint8_t		data[256];		/* !< Bytes 11-267. Response data buffer or Sense data buffer but not both. */
488 	uint8_t		padding[8];		/* !< Bytes 268-275.  Padding to make AIO_PATH_ERROR_INFO_ELEMENT = RAID_PATH_ERROR_INFO_ELEMENT */
489 }OS_ATTRIBUTE_PACKED aio_path_error_info_elem_t;
490 
491 struct init_base_struct {
492 	uint32_t	revision;		/* revision of init structure */
493 	uint32_t	flags;			/* reserved */
494 	uint32_t	err_buf_paddr_l;	/* lower 32 bits of physical address of error buffer */
495 	uint32_t	err_buf_paddr_h;	/* upper 32 bits of physical address of error buffer */
496 	uint32_t	err_buf_elem_len;	/* length of each element in error buffer (in bytes) */
497 	uint32_t	err_buf_num_elem;	/* number of elements in error buffer */
498 }OS_ATTRIBUTE_PACKED;
499 
500 /* Queue details */
501 typedef struct ib_queue {
502 	uint32_t	q_id;
503 	uint32_t	num_elem;
504 	uint32_t	elem_size;
505 	char 		*array_virt_addr;
506 	dma_addr_t	array_dma_addr;
507 	uint32_t	pi_local;
508 	uint32_t	pi_register_offset;
509 	uint32_t	*pi_register_abs;
510 	uint32_t	*ci_virt_addr;
511 	dma_addr_t	ci_dma_addr;
512 	boolean_t	created;
513 	boolean_t	lockcreated;
514 	char		lockname[LOCKNAME_SIZE];
515 	OS_PQILOCK_T	lock	OS_ATTRIBUTE_ALIGNED(8);
516 }ib_queue_t;
517 
518 typedef struct ob_queue {
519 	uint32_t	q_id;
520 	uint32_t	num_elem;
521 	uint32_t	elem_size;
522 	uint32_t	intr_msg_num;
523 	char		*array_virt_addr;
524 	dma_addr_t	array_dma_addr;
525 	uint32_t	ci_local;
526 	uint32_t	ci_register_offset;
527 	uint32_t	*ci_register_abs;
528 	uint32_t	*pi_virt_addr;
529 	dma_addr_t	pi_dma_addr;
530 	boolean_t	created;
531 }ob_queue_t;
532 
533 typedef struct pqisrc_sg_desc{
534 	uint64_t	addr;
535 	uint32_t	len;
536 	uint32_t	flags;
537 }sgt_t;
538 
539 
540 typedef struct pqi_iu_layer_desc {
541 	uint8_t		ib_spanning_supported : 1;
542 	uint8_t		res1 : 7;
543 	uint8_t		res2[5];
544 	uint16_t	max_ib_iu_len;
545 	uint8_t		ob_spanning_supported : 1;
546 	uint8_t		res3 : 7;
547 	uint8_t		res4[5];
548 	uint16_t	max_ob_iu_len;
549 }OS_ATTRIBUTE_PACKED pqi_iu_layer_desc_t;
550 
551 
552 /* Response IU data */
553 typedef struct pqi_device_capabilities {
554 	uint16_t	length;
555 	uint8_t		res1[6];
556 	uint8_t		ibq_arb_priority_support_bitmask;
557 	uint8_t		max_aw_a;
558 	uint8_t		max_aw_b;
559 	uint8_t		max_aw_c;
560 	uint8_t		max_arb_burst : 3;
561 	uint8_t		res2 : 4;
562 	uint8_t		iqa : 1;
563 	uint8_t		res3[2];
564 	uint8_t		iq_freeze : 1;
565 	uint8_t		res4 : 7;
566 	uint16_t	max_iqs;
567 	uint16_t	max_iq_elements;
568 	uint8_t		res5[4];
569 	uint16_t	max_iq_elem_len;
570 	uint16_t	min_iq_elem_len;
571 	uint8_t		res6[2];
572 	uint16_t	max_oqs;
573 	uint16_t	max_oq_elements;
574 	uint16_t	intr_coales_time_granularity;
575 	uint16_t	max_oq_elem_len;
576 	uint16_t	min_oq_elem_len;
577 	uint8_t		res7[24];
578 	pqi_iu_layer_desc_t iu_layer_desc[32];
579 }OS_ATTRIBUTE_PACKED pqi_dev_cap_t;
580 
581 /* IO path */
582 
583 typedef struct pqi_aio_req {
584 	iu_header_t	header;
585 	uint16_t	response_queue_id;
586 	uint8_t		work_area[2];
587 	uint16_t	req_id;
588 	uint8_t		res1[2];
589 	uint32_t	nexus;
590 	uint32_t	buf_len;
591 	uint8_t		data_dir : 2;
592 	uint8_t		partial : 1;
593 	uint8_t		mem_type : 1;
594 	uint8_t		fence : 1;
595 	uint8_t		encrypt_enable : 1;
596 	uint8_t		res2 : 2;
597 	uint8_t		task_attr : 3;
598 	uint8_t		cmd_prio : 4;
599 	uint8_t		res3 : 1;
600 	uint16_t	encrypt_key_index;
601 	uint32_t	encrypt_twk_low;
602 	uint32_t	encrypt_twk_high;
603 	uint8_t		cdb[16];
604 	uint16_t	err_idx;
605 	uint8_t		num_sg;
606 	uint8_t		cdb_len;
607 	uint8_t		lun[8];
608 	uint8_t		res4[4];
609 	sgt_t		sg_desc[4];
610 }OS_ATTRIBUTE_PACKED pqi_aio_req_t;
611 
612 
613 typedef struct pqisrc_raid_request {
614 	iu_header_t 	header;
615 	uint16_t 	response_queue_id;	/* specifies the OQ where the response
616 					   IU is to be delivered */
617 	uint8_t		work_area[2];	/* reserved for driver use */
618 	uint16_t 	request_id;
619 	uint16_t 	nexus_id;
620 	uint32_t 	buffer_length;
621 	uint8_t		lun_number[8];
622 	uint16_t 	protocol_spec;
623 	uint8_t		data_direction : 2;
624 	uint8_t		partial : 1;
625 	uint8_t		reserved1 : 4;
626 	uint8_t		fence : 1;
627 	uint16_t 	error_index;
628 	uint8_t		reserved2;
629 	uint8_t		task_attribute : 3;
630 	uint8_t		command_priority : 4;
631 	uint8_t		reserved3 : 1;
632 	uint8_t		reserved4 : 2;
633 	uint8_t		additional_cdb_bytes_usage : 3;
634 	uint8_t		reserved5 : 3;
635 	uint8_t		cdb[16];
636 	uint8_t		additional_cdb_bytes[16];
637 	sgt_t		sg_descriptors[4];
638 }OS_ATTRIBUTE_PACKED pqisrc_raid_req_t;
639 
640 
641 typedef struct pqi_tmf_req {
642         iu_header_t     header;
643         uint16_t        resp_qid;
644         uint8_t         work_area[2];
645         uint16_t        req_id;
646         uint16_t        nexus;
647         uint8_t         res1[4];
648         uint8_t         lun[8];
649         uint16_t        protocol_spec;
650         uint16_t        obq_id_to_manage;
651         uint16_t        req_id_to_manage;
652         uint8_t         tmf;
653         uint8_t         res2 : 7;
654         uint8_t         fence : 1;
655 }OS_ATTRIBUTE_PACKED pqi_tmf_req_t;
656 
657 
658 typedef struct pqi_tmf_resp {
659         iu_header_t     header;
660         uint16_t        resp_qid;
661         uint8_t         work_area[2];
662         uint16_t        req_id;
663         uint16_t        nexus;
664         uint8_t         add_resp_info[3];
665         uint8_t         resp_code;
666 }pqi_tmf_resp_t;
667 
668 
669 struct pqi_io_response {
670 	iu_header_t	header;
671 	uint16_t	queue_id;
672 	uint8_t		work_area[2];
673 	uint16_t	request_id;
674 	uint16_t	error_index;
675 	uint8_t		reserved[4];
676 }OS_ATTRIBUTE_PACKED;
677 
678 
679 struct pqi_enc_info {
680 	uint16_t	data_enc_key_index;
681 	uint32_t	encrypt_tweak_lower;
682 	uint32_t	encrypt_tweak_upper;
683 };
684 
685 
686 typedef struct pqi_scsi_device {
687 	device_type_t	devtype;		/* as reported by INQUIRY commmand */
688 	uint8_t		device_type;		/* as reported by
689 					   BMIC_IDENTIFY_PHYSICAL_DEVICE - only
690 					   valid for devtype = TYPE_DISK */
691 	int		bus;
692 	int		target;
693 	int		lun;
694 	uint8_t 	flags;
695 	uint8_t		scsi3addr[8];
696 	uint64_t	wwid;
697 	uint8_t		is_physical_device : 1;
698 	uint8_t		is_external_raid_device : 1;
699 	uint8_t 	target_lun_valid : 1;
700 	uint8_t		expose_device : 1;
701 	uint8_t		no_uld_attach : 1;
702 	uint8_t		is_obdr_device : 1;
703 	uint8_t 	aio_enabled : 1;
704 	uint8_t		device_gone : 1;
705 	uint8_t		new_device : 1;
706 	uint8_t		volume_offline : 1;
707 	uint8_t		vendor[8];		/* bytes 8-15 of inquiry data */
708 	uint8_t		model[16];		/* bytes 16-31 of inquiry data */
709 	uint64_t	sas_address;
710 	uint8_t		raid_level;
711 	uint16_t	queue_depth;		/* max. queue_depth for this device */
712 	uint16_t	advertised_queue_depth;
713 	uint32_t	ioaccel_handle;
714 	uint8_t		volume_status;
715 	uint8_t		active_path_index;
716 	uint8_t		path_map;
717 	uint8_t		bay;
718 	uint8_t		box[8];
719 	uint16_t	phys_connector[8];
720 	int		offload_config;		/* I/O accel RAID offload configured */
721 	int		offload_enabled;	/* I/O accel RAID offload enabled */
722 	int		offload_enabled_pending;
723 	int		offload_to_mirror;	/* Send next I/O accelerator RAID
724 						   offload request to mirror drive. */
725 	struct raid_map *raid_map;	/* I/O accelerator RAID map */
726 	int 		reset_in_progress;
727 	os_dev_info_t	*dip;			/*os specific scsi device information*/
728 	boolean_t	invalid;
729 }pqi_scsi_dev_t;
730 
731 
732 struct sense_header_scsi {		/* See SPC-3 section 4.5 */
733 	uint8_t 	response_code;		/* permit: 0x0, 0x70, 0x71, 0x72, 0x73 */
734 	uint8_t 	sense_key;
735 	uint8_t 	asc;
736 	uint8_t 	ascq;
737 	uint8_t 	byte4;
738 	uint8_t 	byte5;
739 	uint8_t 	byte6;
740 	uint8_t 	additional_length;	/* always 0 for fixed sense format */
741 }OS_ATTRIBUTE_PACKED;
742 
743 
744 
745 typedef struct report_lun_header {
746 	uint32_t 	list_length;
747 	uint8_t		extended_response;
748 	uint8_t		reserved[3];
749 }OS_ATTRIBUTE_PACKED reportlun_header_t;
750 
751 
752 typedef struct report_lun_ext_entry {
753 	uint8_t		lunid[8];
754 	uint64_t 	wwid;
755 	uint8_t		device_type;
756 	uint8_t		device_flags;
757 	uint8_t		lun_count;	/* number of LUNs in a multi-LUN device */
758 	uint8_t		redundant_paths;
759 	uint32_t 	ioaccel_handle;
760 }OS_ATTRIBUTE_PACKED reportlun_ext_entry_t;
761 
762 
763 typedef struct report_lun_data_ext {
764 	reportlun_header_t 	header;
765 	reportlun_ext_entry_t 	lun_entries[1];
766 }OS_ATTRIBUTE_PACKED reportlun_data_ext_t;
767 
768 typedef struct raidmap_data {
769 	uint32_t 	ioaccel_handle;
770 	uint8_t		xor_mult[2];
771 	uint8_t		reserved[2];
772 }OS_ATTRIBUTE_PACKED raidmap_data_t;
773 
774 typedef struct raid_map {
775 	uint32_t	structure_size;		/* size of entire structure in bytes */
776 	uint32_t	volume_blk_size;	/* bytes / block in the volume */
777 	uint64_t	volume_blk_cnt;		/* logical blocks on the volume */
778 	uint8_t		phys_blk_shift;		/* shift factor to convert between
779 					   units of logical blocks and physical
780 					   disk blocks */
781 	uint8_t		parity_rotation_shift;	/* shift factor to convert between units
782 					   of logical stripes and physical
783 					   stripes */
784 	uint16_t	strip_size;		/* blocks used on each disk / stripe */
785 	uint64_t	disk_starting_blk;	/* first disk block used in volume */
786 	uint64_t	disk_blk_cnt;		/* disk blocks used by volume / disk */
787 	uint16_t	data_disks_per_row;	/* data disk entries / row in the map */
788 	uint16_t	metadata_disks_per_row;	/* mirror/parity disk entries / row
789 					   in the map */
790 	uint16_t	row_cnt;		/* rows in each layout map */
791 	uint16_t	layout_map_count;	/* layout maps (1 map per mirror/parity
792 					   group) */
793 	uint16_t	flags;
794 	uint16_t	data_encryption_key_index;
795 	uint8_t		reserved[16];
796 	raidmap_data_t 	dev_data[RAID_MAP_MAX_ENTRIES];
797 }OS_ATTRIBUTE_PACKED pqisrc_raid_map_t;
798 
799 
800 typedef struct bmic_ident_ctrl {
801 	uint8_t		conf_ld_count;
802 	uint32_t	conf_sign;
803 	uint8_t		fw_version[4];
804 	uint8_t		rom_fw_rev[4];
805 	uint8_t		hw_rev;
806 	uint8_t		reserved[140];
807 	uint16_t	extended_lun_count;
808 	uint8_t		reserved1[34];
809 	uint16_t	fw_build_number;
810 	uint8_t		reserved2[100];
811 	uint8_t		ctrl_mode;
812 	uint8_t		reserved3[32];
813 }OS_ATTRIBUTE_PACKED bmic_ident_ctrl_t;
814 
815 typedef struct bmic_identify_physical_device {
816 	uint8_t		scsi_bus;		/* SCSI Bus number on controller */
817 	uint8_t		scsi_id;		/* SCSI ID on this bus */
818 	uint16_t	block_size;		/* sector size in bytes */
819 	uint32_t	total_blocks;		/* number for sectors on drive */
820 	uint32_t	reserved_blocks;	/* controller reserved (RIS) */
821 	uint8_t		model[40];		/* Physical Drive Model */
822 	uint8_t		serial_number[40];	/* Drive Serial Number */
823 	uint8_t		firmware_revision[8];	/* drive firmware revision */
824 	uint8_t		scsi_inquiry_bits;	/* inquiry byte 7 bits */
825 	uint8_t		compaq_drive_stamp;	/* 0 means drive not stamped */
826 	uint8_t		last_failure_reason;
827 	uint8_t		flags;
828 	uint8_t		more_flags;
829 	uint8_t		scsi_lun;		/* SCSI LUN for phys drive */
830 	uint8_t		yet_more_flags;
831 	uint8_t		even_more_flags;
832 	uint32_t	spi_speed_rules;
833 	uint8_t		phys_connector[2];	/* connector number on controller */
834 	uint8_t		phys_box_on_bus;	/* phys enclosure this drive resides */
835 	uint8_t		phys_bay_in_box;	/* phys drv bay this drive resides */
836 	uint32_t	rpm;			/* drive rotational speed in RPM */
837 	uint8_t		device_type;		/* type of drive */
838 	uint8_t		sata_version;		/* only valid when device_type =
839 					   BMIC_DEVICE_TYPE_SATA */
840 	uint64_t	big_total_block_count;
841 	uint64_t	ris_starting_lba;
842 	uint32_t	ris_size;
843 	uint8_t		wwid[20];
844 	uint8_t		controller_phy_map[32];
845 	uint16_t	phy_count;
846 	uint8_t		phy_connected_dev_type[256];
847 	uint8_t		phy_to_drive_bay_num[256];
848 	uint16_t	phy_to_attached_dev_index[256];
849 	uint8_t		box_index;
850 	uint8_t		reserved;
851 	uint16_t	extra_physical_drive_flags;
852 	uint8_t		negotiated_link_rate[256];
853 	uint8_t		phy_to_phy_map[256];
854 	uint8_t		redundant_path_present_map;
855 	uint8_t		redundant_path_failure_map;
856 	uint8_t		active_path_number;
857 	uint16_t	alternate_paths_phys_connector[8];
858 	uint8_t		alternate_paths_phys_box_on_port[8];
859 	uint8_t		multi_lun_device_lun_count;
860 	uint8_t		minimum_good_fw_revision[8];
861 	uint8_t		unique_inquiry_bytes[20];
862 	uint8_t		current_temperature_degreesC;
863 	uint8_t		temperature_threshold_degreesC;
864 	uint8_t		max_temperature_degreesC;
865 	uint8_t		logical_blocks_per_phys_block_exp;
866 	uint16_t	current_queue_depth_limit;
867 	uint8_t		switch_name[10];
868 	uint16_t	switch_port;
869 	uint8_t		alternate_paths_switch_name[40];
870 	uint8_t		alternate_paths_switch_port[8];
871 	uint16_t	power_on_hours;
872 	uint16_t	percent_endurance_used;
873 	uint8_t		drive_authentication;
874 	uint8_t		smart_carrier_authentication;
875 	uint8_t		smart_carrier_app_fw_version;
876 	uint8_t		smart_carrier_bootloader_fw_version;
877 	uint8_t		encryption_key_name[64];
878 	uint32_t	misc_drive_flags;
879 	uint16_t	dek_index;
880 	uint8_t		padding[112];
881 }OS_ATTRIBUTE_PACKED bmic_ident_physdev_t;
882 
883 typedef struct pqisrc_bmic_flush_cache {
884 	uint8_t		disable_cache;
885 	uint8_t		power_action;
886 	uint8_t		ndu_flush_cache;
887 	uint8_t		halt_event;
888 	uint8_t		reserved[28];
889 } OS_ATTRIBUTE_PACKED pqisrc_bmic_flush_cache_t;
890 
891 /* for halt_event member of pqisrc_bmic_flush_cache_t */
892 enum pqisrc_flush_cache_event_type {
893 	PQISRC_NONE_CACHE_FLUSH_ONLY = 0,
894 	PQISRC_SHUTDOWN = 1,
895 	PQISRC_HIBERNATE = 2,
896 	PQISRC_SUSPEND = 3,
897 	PQISRC_RESTART = 4
898 };
899 
900 struct pqisrc_softstate;
901 struct request_container_block;
902 typedef void (*success_callback)(struct pqisrc_softstate *, struct request_container_block *);
903 typedef void (*error_callback)(struct pqisrc_softstate *, struct request_container_block *, uint16_t);
904 
905 /* Request container block */
906 typedef struct request_container_block {
907 	void			*req;
908 	void			*error_info;
909 	REQUEST_STATUS_T	status;
910 	uint32_t		tag;
911 	sgt_t			*sg_chain_virt;
912 	dma_addr_t		sg_chain_dma;
913 	uint32_t		data_dir;
914 	pqi_scsi_dev_t		*dvp;
915 	struct pqisrc_softstate	*softs;
916 	success_callback	success_cmp_callback;
917 	error_callback		error_cmp_callback;
918 	uint8_t			*cdbp;
919 	int			cmdlen;
920 	uint32_t		bcount;	/* buffer size in byte */
921 	uint32_t		ioaccel_handle;
922 	boolean_t 		encrypt_enable;
923 	struct pqi_enc_info 	enc_info;
924 	int			cm_flags;
925 	void			*cm_data; /* pointer to data in kernel space */
926 	bus_dmamap_t		cm_datamap;
927 	uint32_t		nseg;
928 	union ccb		*cm_ccb;
929 	sgt_t			*sgt;	/* sg table */
930 	int 			resp_qid;
931 	boolean_t		req_pending;
932 }rcb_t;
933 
934 typedef struct tid_pool {
935 	int 			tid[PQI_MAX_PHYSICALS];
936 	int			index;
937 }tid_pool_t;
938 
939 typedef struct pqisrc_softstate {
940 	OS_SPECIFIC_T			os_specific;
941 	struct ioa_registers		*ioa_reg;
942 	struct pqi_registers		*pqi_reg;
943 	char				*pci_mem_base_vaddr;
944 	PCI_ACC_HANDLE_T		pci_mem_handle;
945 	struct pqi_cap			pqi_cap;
946 	struct pqi_pref_settings	pref_settings;
947 	char				fw_version[11];
948 	uint16_t			fw_build_number;
949 	uint32_t			card;		/* index to aac_cards */
950 	uint16_t			vendid;		/* vendor id */
951 	uint16_t			subvendid;	/* sub vendor id */
952 	uint16_t			devid;		/* device id */
953 	uint16_t			subsysid;	/* sub system id */
954 	controller_state_t		ctlr_state;
955 	struct dma_mem			err_buf_dma_mem;
956 	struct dma_mem			admin_queue_dma_mem;
957 	struct dma_mem			op_ibq_dma_mem;
958 	struct dma_mem			op_obq_dma_mem;
959 	struct dma_mem			event_q_dma_mem;
960 	struct dma_mem			sg_dma_desc[PQISRC_MAX_OUTSTANDING_REQ];
961 	ib_queue_t			admin_ib_queue;
962 	ob_queue_t			admin_ob_queue;
963 	ob_queue_t			event_q;
964 	ob_queue_t			op_ob_q[PQISRC_MAX_SUPPORTED_OP_OB_Q - 1];/* 1 event queue */
965 	ib_queue_t			op_raid_ib_q[PQISRC_MAX_SUPPORTED_OP_RAID_IB_Q];
966 	ib_queue_t			op_aio_ib_q[PQISRC_MAX_SUPPORTED_OP_AIO_IB_Q];
967 	uint32_t			max_outstanding_io;
968 	uint32_t			max_io_for_scsi_ml;
969 	uint32_t			num_op_raid_ibq;
970 	uint32_t			num_op_aio_ibq;
971 	uint32_t			num_op_obq;
972 	uint32_t			num_elem_per_op_ibq;
973 	uint32_t			num_elem_per_op_obq;
974 	uint32_t			ibq_elem_size;
975 	uint32_t			obq_elem_size;
976 	pqi_dev_cap_t			pqi_dev_cap;
977 	uint16_t			max_ib_iu_length_per_fw;
978 	uint16_t			max_ib_iu_length;
979 	unsigned			max_sg_per_iu;
980 	uint8_t				ib_spanning_supported : 1;
981 	uint8_t				ob_spanning_supported : 1;
982 	pqi_event_config_t		event_config;
983 	struct pqi_event		pending_events[PQI_NUM_SUPPORTED_EVENTS];
984 	int				intr_type;
985 	int				intr_count;
986 	int				num_cpus_online;
987 	boolean_t			share_opq_and_eventq;
988 	rcb_t				*rcb;
989 #ifndef LOCKFREE_STACK
990 	pqi_taglist_t			taglist;
991 #else
992 	lockless_stack_t		taglist;
993 #endif /* LOCKFREE_STACK */
994 	boolean_t			devlist_lockcreated;
995 	OS_LOCK_T			devlist_lock	OS_ATTRIBUTE_ALIGNED(8);
996 	char				devlist_lock_name[LOCKNAME_SIZE];
997 	pqi_scsi_dev_t			*device_list[PQI_MAX_DEVICES][PQI_MAX_MULTILUN];
998 	OS_SEMA_LOCK_T			scan_lock;
999 	uint8_t				lun_count[PQI_MAX_DEVICES];
1000 	uint64_t			target_sas_addr[PQI_MAX_EXT_TARGETS];
1001 	OS_ATOMIC64_T			num_intrs;
1002 	uint64_t			prev_num_intrs;
1003 	uint64_t			prev_heartbeat_count;
1004 	uint64_t			*heartbeat_counter_abs_addr;
1005 	uint64_t			heartbeat_counter_off;
1006 	uint64_t			num_heartbeats_requested;
1007 	uint32_t			bus_id;
1008 	uint32_t			device_id;
1009 	uint32_t			func_id;
1010 	char 				*os_name;
1011 	boolean_t			ctrl_online;
1012 	uint8_t				pqi_reset_quiesce_allowed : 1;
1013 	boolean_t 			ctrl_in_pqi_mode;
1014 	tid_pool_t			tid_pool;
1015 }pqisrc_softstate_t;
1016 
1017 #endif
1018