xref: /openbmc/linux/drivers/scsi/aacraid/aacraid.h (revision b6554cfe)
1 /*
2  *	Adaptec AAC series RAID controller driver
3  *	(c) Copyright 2001 Red Hat Inc.	<alan@redhat.com>
4  *
5  * based on the old aacraid driver that is..
6  * Adaptec aacraid device driver for Linux.
7  *
8  * Copyright (c) 2000-2010 Adaptec, Inc.
9  *               2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10  *		 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License as published by
14  * the Free Software Foundation; either version 2, or (at your option)
15  * any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; see the file COPYING.  If not, write to
24  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
25  *
26  * Module Name:
27  *  aacraid.h
28  *
29  * Abstract: Contains all routines for control of the aacraid driver
30  *
31  */
32 
33 #ifndef _AACRAID_H_
34 #define _AACRAID_H_
35 #ifndef dprintk
36 # define dprintk(x)
37 #endif
38 /* eg: if (nblank(dprintk(x))) */
39 #define _nblank(x) #x
40 #define nblank(x) _nblank(x)[0]
41 
42 #include <linux/interrupt.h>
43 #include <linux/completion.h>
44 #include <linux/pci.h>
45 #include <scsi/scsi_host.h>
46 
47 /*------------------------------------------------------------------------------
48  *              D E F I N E S
49  *----------------------------------------------------------------------------*/
50 
51 #define AAC_MAX_MSIX		32	/* vectors */
52 #define AAC_PCI_MSI_ENABLE	0x8000
53 
54 enum {
55 	AAC_ENABLE_INTERRUPT	= 0x0,
56 	AAC_DISABLE_INTERRUPT,
57 	AAC_ENABLE_MSIX,
58 	AAC_DISABLE_MSIX,
59 	AAC_CLEAR_AIF_BIT,
60 	AAC_CLEAR_SYNC_BIT,
61 	AAC_ENABLE_INTX
62 };
63 
64 #define AAC_INT_MODE_INTX		(1<<0)
65 #define AAC_INT_MODE_MSI		(1<<1)
66 #define AAC_INT_MODE_AIF		(1<<2)
67 #define AAC_INT_MODE_SYNC		(1<<3)
68 #define AAC_INT_MODE_MSIX		(1<<16)
69 
70 #define AAC_INT_ENABLE_TYPE1_INTX	0xfffffffb
71 #define AAC_INT_ENABLE_TYPE1_MSIX	0xfffffffa
72 #define AAC_INT_DISABLE_ALL		0xffffffff
73 
74 /* Bit definitions in IOA->Host Interrupt Register */
75 #define PMC_TRANSITION_TO_OPERATIONAL	(1<<31)
76 #define PMC_IOARCB_TRANSFER_FAILED	(1<<28)
77 #define PMC_IOA_UNIT_CHECK		(1<<27)
78 #define PMC_NO_HOST_RRQ_FOR_CMD_RESPONSE (1<<26)
79 #define PMC_CRITICAL_IOA_OP_IN_PROGRESS	(1<<25)
80 #define PMC_IOARRIN_LOST		(1<<4)
81 #define PMC_SYSTEM_BUS_MMIO_ERROR	(1<<3)
82 #define PMC_IOA_PROCESSOR_IN_ERROR_STATE (1<<2)
83 #define PMC_HOST_RRQ_VALID		(1<<1)
84 #define PMC_OPERATIONAL_STATUS		(1<<31)
85 #define PMC_ALLOW_MSIX_VECTOR0		(1<<0)
86 
87 #define PMC_IOA_ERROR_INTERRUPTS	(PMC_IOARCB_TRANSFER_FAILED | \
88 					 PMC_IOA_UNIT_CHECK | \
89 					 PMC_NO_HOST_RRQ_FOR_CMD_RESPONSE | \
90 					 PMC_IOARRIN_LOST | \
91 					 PMC_SYSTEM_BUS_MMIO_ERROR | \
92 					 PMC_IOA_PROCESSOR_IN_ERROR_STATE)
93 
94 #define PMC_ALL_INTERRUPT_BITS		(PMC_IOA_ERROR_INTERRUPTS | \
95 					 PMC_HOST_RRQ_VALID | \
96 					 PMC_TRANSITION_TO_OPERATIONAL | \
97 					 PMC_ALLOW_MSIX_VECTOR0)
98 #define	PMC_GLOBAL_INT_BIT2		0x00000004
99 #define	PMC_GLOBAL_INT_BIT0		0x00000001
100 
101 #ifndef AAC_DRIVER_BUILD
102 # define AAC_DRIVER_BUILD 50877
103 # define AAC_DRIVER_BRANCH "-custom"
104 #endif
105 #define MAXIMUM_NUM_CONTAINERS	32
106 
107 #define AAC_NUM_MGT_FIB         8
108 #define AAC_NUM_IO_FIB		(1024 - AAC_NUM_MGT_FIB)
109 #define AAC_NUM_FIB		(AAC_NUM_IO_FIB + AAC_NUM_MGT_FIB)
110 
111 #define AAC_MAX_LUN		256
112 
113 #define AAC_MAX_HOSTPHYSMEMPAGES (0xfffff)
114 #define AAC_MAX_32BIT_SGBCOUNT	((unsigned short)256)
115 
116 #define AAC_DEBUG_INSTRUMENT_AIF_DELETE
117 
118 #define AAC_MAX_NATIVE_TARGETS		1024
119 /* Thor: 5 phys. buses: #0: empty, 1-4: 256 targets each */
120 #define AAC_MAX_BUSES			5
121 #define AAC_MAX_TARGETS		256
122 #define AAC_BUS_TARGET_LOOP		(AAC_MAX_BUSES * AAC_MAX_TARGETS)
123 #define AAC_MAX_NATIVE_SIZE		2048
124 #define FW_ERROR_BUFFER_SIZE		512
125 
126 #define get_bus_number(x)	(x/AAC_MAX_TARGETS)
127 #define get_target_number(x)	(x%AAC_MAX_TARGETS)
128 
129 /* Thor AIF events */
130 #define SA_AIF_HOTPLUG			(1<<1)
131 #define SA_AIF_HARDWARE		(1<<2)
132 #define SA_AIF_PDEV_CHANGE		(1<<4)
133 #define SA_AIF_LDEV_CHANGE		(1<<5)
134 #define SA_AIF_BPSTAT_CHANGE		(1<<30)
135 #define SA_AIF_BPCFG_CHANGE		(1<<31)
136 
137 #define HBA_MAX_SG_EMBEDDED		28
138 #define HBA_MAX_SG_SEPARATE		90
139 #define HBA_SENSE_DATA_LEN_MAX		32
140 #define HBA_REQUEST_TAG_ERROR_FLAG	0x00000002
141 #define HBA_SGL_FLAGS_EXT		0x80000000UL
142 
143 struct aac_hba_sgl {
144 	u32		addr_lo; /* Lower 32-bits of SGL element address */
145 	u32		addr_hi; /* Upper 32-bits of SGL element address */
146 	u32		len;	/* Length of SGL element in bytes */
147 	u32		flags;	/* SGL element flags */
148 };
149 
150 enum {
151 	HBA_IU_TYPE_SCSI_CMD_REQ		= 0x40,
152 	HBA_IU_TYPE_SCSI_TM_REQ			= 0x41,
153 	HBA_IU_TYPE_SATA_REQ			= 0x42,
154 	HBA_IU_TYPE_RESP			= 0x60,
155 	HBA_IU_TYPE_COALESCED_RESP		= 0x61,
156 	HBA_IU_TYPE_INT_COALESCING_CFG_REQ	= 0x70
157 };
158 
159 enum {
160 	HBA_CMD_BYTE1_DATA_DIR_IN		= 0x1,
161 	HBA_CMD_BYTE1_DATA_DIR_OUT		= 0x2,
162 	HBA_CMD_BYTE1_DATA_TYPE_DDR		= 0x4,
163 	HBA_CMD_BYTE1_CRYPTO_ENABLE		= 0x8
164 };
165 
166 enum {
167 	HBA_CMD_BYTE1_BITOFF_DATA_DIR_IN	= 0x0,
168 	HBA_CMD_BYTE1_BITOFF_DATA_DIR_OUT,
169 	HBA_CMD_BYTE1_BITOFF_DATA_TYPE_DDR,
170 	HBA_CMD_BYTE1_BITOFF_CRYPTO_ENABLE
171 };
172 
173 enum {
174 	HBA_RESP_DATAPRES_NO_DATA		= 0x0,
175 	HBA_RESP_DATAPRES_RESPONSE_DATA,
176 	HBA_RESP_DATAPRES_SENSE_DATA
177 };
178 
179 enum {
180 	HBA_RESP_SVCRES_TASK_COMPLETE		= 0x0,
181 	HBA_RESP_SVCRES_FAILURE,
182 	HBA_RESP_SVCRES_TMF_COMPLETE,
183 	HBA_RESP_SVCRES_TMF_SUCCEEDED,
184 	HBA_RESP_SVCRES_TMF_REJECTED,
185 	HBA_RESP_SVCRES_TMF_LUN_INVALID
186 };
187 
188 enum {
189 	HBA_RESP_STAT_IO_ERROR			= 0x1,
190 	HBA_RESP_STAT_IO_ABORTED,
191 	HBA_RESP_STAT_NO_PATH_TO_DEVICE,
192 	HBA_RESP_STAT_INVALID_DEVICE,
193 	HBA_RESP_STAT_HBAMODE_DISABLED		= 0xE,
194 	HBA_RESP_STAT_UNDERRUN			= 0x51,
195 	HBA_RESP_STAT_OVERRUN			= 0x75
196 };
197 
198 struct aac_hba_cmd_req {
199 	u8	iu_type;	/* HBA information unit type */
200 	/*
201 	 * byte1:
202 	 * [1:0] DIR - 0=No data, 0x1 = IN, 0x2 = OUT
203 	 * [2]   TYPE - 0=PCI, 1=DDR
204 	 * [3]   CRYPTO_ENABLE - 0=Crypto disabled, 1=Crypto enabled
205 	 */
206 	u8	byte1;
207 	u8	reply_qid;	/* Host reply queue to post response to */
208 	u8	reserved1;
209 	__le32	it_nexus;	/* Device handle for the request */
210 	__le32	request_id;	/* Sender context */
211 	/* Lower 32-bits of tweak value for crypto enabled IOs */
212 	__le32	tweak_value_lo;
213 	u8	cdb[16];	/* SCSI CDB of the command */
214 	u8	lun[8];		/* SCSI LUN of the command */
215 
216 	/* Total data length in bytes to be read/written (if any) */
217 	__le32	data_length;
218 
219 	/* [2:0] Task Attribute, [6:3] Command Priority */
220 	u8	attr_prio;
221 
222 	/* Number of SGL elements embedded in the HBA req */
223 	u8	emb_data_desc_count;
224 
225 	__le16	dek_index;	/* DEK index for crypto enabled IOs */
226 
227 	/* Lower 32-bits of reserved error data target location on the host */
228 	__le32	error_ptr_lo;
229 
230 	/* Upper 32-bits of reserved error data target location on the host */
231 	__le32	error_ptr_hi;
232 
233 	/* Length of reserved error data area on the host in bytes */
234 	__le32	error_length;
235 
236 	/* Upper 32-bits of tweak value for crypto enabled IOs */
237 	__le32	tweak_value_hi;
238 
239 	struct aac_hba_sgl sge[HBA_MAX_SG_SEPARATE+2]; /* SG list space */
240 
241 	/*
242 	 * structure must not exceed
243 	 * AAC_MAX_NATIVE_SIZE-FW_ERROR_BUFFER_SIZE
244 	 */
245 };
246 
247 /* Task Management Functions (TMF) */
248 #define HBA_TMF_ABORT_TASK	0x01
249 #define HBA_TMF_LUN_RESET	0x08
250 
251 struct aac_hba_tm_req {
252 	u8	iu_type;	/* HBA information unit type */
253 	u8	reply_qid;	/* Host reply queue to post response to */
254 	u8	tmf;		/* Task management function */
255 	u8	reserved1;
256 
257 	__le32	it_nexus;	/* Device handle for the command */
258 
259 	u8	lun[8];		/* SCSI LUN */
260 
261 	/* Used to hold sender context. */
262 	__le32	request_id;	/* Sender context */
263 	__le32	reserved2;
264 
265 	/* Request identifier of managed task */
266 	__le32	managed_request_id;	/* Sender context being managed */
267 	__le32	reserved3;
268 
269 	/* Lower 32-bits of reserved error data target location on the host */
270 	__le32	error_ptr_lo;
271 	/* Upper 32-bits of reserved error data target location on the host */
272 	__le32	error_ptr_hi;
273 	/* Length of reserved error data area on the host in bytes */
274 	__le32	error_length;
275 };
276 
277 struct aac_hba_reset_req {
278 	u8	iu_type;	/* HBA information unit type */
279 	/* 0 - reset specified device, 1 - reset all devices */
280 	u8	reset_type;
281 	u8	reply_qid;	/* Host reply queue to post response to */
282 	u8	reserved1;
283 
284 	__le32	it_nexus;	/* Device handle for the command */
285 	__le32	request_id;	/* Sender context */
286 	/* Lower 32-bits of reserved error data target location on the host */
287 	__le32	error_ptr_lo;
288 	/* Upper 32-bits of reserved error data target location on the host */
289 	__le32	error_ptr_hi;
290 	/* Length of reserved error data area on the host in bytes */
291 	__le32	error_length;
292 };
293 
294 struct aac_hba_resp {
295 	u8	iu_type;		/* HBA information unit type */
296 	u8	reserved1[3];
297 	__le32	request_identifier;	/* sender context */
298 	__le32	reserved2;
299 	u8	service_response;	/* SCSI service response */
300 	u8	status;			/* SCSI status */
301 	u8	datapres;	/* [1:0] - data present, [7:2] - reserved */
302 	u8	sense_response_data_len;	/* Sense/response data length */
303 	__le32	residual_count;		/* Residual data length in bytes */
304 	/* Sense/response data */
305 	u8	sense_response_buf[HBA_SENSE_DATA_LEN_MAX];
306 };
307 
308 struct aac_native_hba {
309 	union {
310 		struct aac_hba_cmd_req cmd;
311 		struct aac_hba_tm_req tmr;
312 		u8 cmd_bytes[AAC_MAX_NATIVE_SIZE-FW_ERROR_BUFFER_SIZE];
313 	} cmd;
314 	union {
315 		struct aac_hba_resp err;
316 		u8 resp_bytes[FW_ERROR_BUFFER_SIZE];
317 	} resp;
318 };
319 
320 #define CISS_REPORT_PHYSICAL_LUNS	0xc3
321 #define WRITE_HOST_WELLNESS		0xa5
322 #define CISS_IDENTIFY_PHYSICAL_DEVICE	0x15
323 #define BMIC_IN			0x26
324 #define BMIC_OUT			0x27
325 
326 struct aac_ciss_phys_luns_resp {
327 	u8	list_length[4];		/* LUN list length (N-7, big endian) */
328 	u8	resp_flag;		/* extended response_flag */
329 	u8	reserved[3];
330 	struct _ciss_lun {
331 		u8	tid[3];		/* Target ID */
332 		u8	bus;		/* Bus, flag (bits 6,7) */
333 		u8	level3[2];
334 		u8	level2[2];
335 		u8	node_ident[16];	/* phys. node identifier */
336 	} lun[1];			/* List of phys. devices */
337 };
338 
339 /*
340  * Interrupts
341  */
342 #define AAC_MAX_HRRQ		64
343 
344 struct aac_ciss_identify_pd {
345 	u8 scsi_bus;			/* SCSI Bus number on controller */
346 	u8 scsi_id;			/* SCSI ID on this bus */
347 	u16 block_size;			/* sector size in bytes */
348 	u32 total_blocks;		/* number for sectors on drive */
349 	u32 reserved_blocks;		/* controller reserved (RIS) */
350 	u8 model[40];			/* Physical Drive Model */
351 	u8 serial_number[40];		/* Drive Serial Number */
352 	u8 firmware_revision[8];	/* drive firmware revision */
353 	u8 scsi_inquiry_bits;		/* inquiry byte 7 bits */
354 	u8 compaq_drive_stamp;		/* 0 means drive not stamped */
355 	u8 last_failure_reason;
356 
357 	u8  flags;
358 	u8  more_flags;
359 	u8  scsi_lun;			/* SCSI LUN for phys drive */
360 	u8  yet_more_flags;
361 	u8  even_more_flags;
362 	u32 spi_speed_rules;		/* SPI Speed :Ultra disable diagnose */
363 	u8  phys_connector[2];		/* connector number on controller */
364 	u8  phys_box_on_bus;		/* phys enclosure this drive resides */
365 	u8  phys_bay_in_box;		/* phys drv bay this drive resides */
366 	u32 rpm;			/* Drive rotational speed in rpm */
367 	u8  device_type;		/* type of drive */
368 	u8  sata_version;		/* only valid when drive_type is SATA */
369 	u64 big_total_block_count;
370 	u64 ris_starting_lba;
371 	u32 ris_size;
372 	u8  wwid[20];
373 	u8  controller_phy_map[32];
374 	u16 phy_count;
375 	u8  phy_connected_dev_type[256];
376 	u8  phy_to_drive_bay_num[256];
377 	u16 phy_to_attached_dev_index[256];
378 	u8  box_index;
379 	u8  spitfire_support;
380 	u16 extra_physical_drive_flags;
381 	u8  negotiated_link_rate[256];
382 	u8  phy_to_phy_map[256];
383 	u8  redundant_path_present_map;
384 	u8  redundant_path_failure_map;
385 	u8  active_path_number;
386 	u16 alternate_paths_phys_connector[8];
387 	u8  alternate_paths_phys_box_on_port[8];
388 	u8  multi_lun_device_lun_count;
389 	u8  minimum_good_fw_revision[8];
390 	u8  unique_inquiry_bytes[20];
391 	u8  current_temperature_degreesC;
392 	u8  temperature_threshold_degreesC;
393 	u8  max_temperature_degreesC;
394 	u8  logical_blocks_per_phys_block_exp;	/* phyblocksize = 512 * 2^exp */
395 	u16 current_queue_depth_limit;
396 	u8  switch_name[10];
397 	u16 switch_port;
398 	u8  alternate_paths_switch_name[40];
399 	u8  alternate_paths_switch_port[8];
400 	u16 power_on_hours;		/* valid only if gas gauge supported */
401 	u16 percent_endurance_used;	/* valid only if gas gauge supported. */
402 	u8  drive_authentication;
403 	u8  smart_carrier_authentication;
404 	u8  smart_carrier_app_fw_version;
405 	u8  smart_carrier_bootloader_fw_version;
406 	u8  SanitizeSecureEraseSupport;
407 	u8  DriveKeyFlags;
408 	u8  encryption_key_name[64];
409 	u32 misc_drive_flags;
410 	u16 dek_index;
411 	u16 drive_encryption_flags;
412 	u8  sanitize_maximum_time[6];
413 	u8  connector_info_mode;
414 	u8  connector_info_number[4];
415 	u8  long_connector_name[64];
416 	u8  device_unique_identifier[16];
417 	u8  padto_2K[17];
418 } __packed;
419 
420 /*
421  * These macros convert from physical channels to virtual channels
422  */
423 #define CONTAINER_CHANNEL		(0)
424 #define NATIVE_CHANNEL			(1)
425 #define CONTAINER_TO_CHANNEL(cont)	(CONTAINER_CHANNEL)
426 #define CONTAINER_TO_ID(cont)		(cont)
427 #define CONTAINER_TO_LUN(cont)		(0)
428 #define ENCLOSURE_CHANNEL		(3)
429 
430 #define PMC_DEVICE_S6	0x28b
431 #define PMC_DEVICE_S7	0x28c
432 #define PMC_DEVICE_S8	0x28d
433 
434 #define aac_phys_to_logical(x)  ((x)+1)
435 #define aac_logical_to_phys(x)  ((x)?(x)-1:0)
436 
437 /*
438  * These macros are for keeping track of
439  * character device state.
440  */
441 #define AAC_CHARDEV_UNREGISTERED	(-1)
442 #define AAC_CHARDEV_NEEDS_REINIT	(-2)
443 
444 /* #define AAC_DETAILED_STATUS_INFO */
445 
446 struct diskparm
447 {
448 	int heads;
449 	int sectors;
450 	int cylinders;
451 };
452 
453 
454 /*
455  *	Firmware constants
456  */
457 
458 #define		CT_NONE			0
459 #define		CT_OK			218
460 #define		FT_FILESYS	8	/* ADAPTEC's "FSA"(tm) filesystem */
461 #define		FT_DRIVE	9	/* physical disk - addressable in scsi by bus/id/lun */
462 
463 /*
464  *	Host side memory scatter gather list
465  *	Used by the adapter for read, write, and readdirplus operations
466  *	We have separate 32 and 64 bit version because even
467  *	on 64 bit systems not all cards support the 64 bit version
468  */
469 struct sgentry {
470 	__le32	addr;	/* 32-bit address. */
471 	__le32	count;	/* Length. */
472 };
473 
474 struct user_sgentry {
475 	u32	addr;	/* 32-bit address. */
476 	u32	count;	/* Length. */
477 };
478 
479 struct sgentry64 {
480 	__le32	addr[2];	/* 64-bit addr. 2 pieces for data alignment */
481 	__le32	count;	/* Length. */
482 };
483 
484 struct user_sgentry64 {
485 	u32	addr[2];	/* 64-bit addr. 2 pieces for data alignment */
486 	u32	count;	/* Length. */
487 };
488 
489 struct sgentryraw {
490 	__le32		next;	/* reserved for F/W use */
491 	__le32		prev;	/* reserved for F/W use */
492 	__le32		addr[2];
493 	__le32		count;
494 	__le32		flags;	/* reserved for F/W use */
495 };
496 
497 struct user_sgentryraw {
498 	u32		next;	/* reserved for F/W use */
499 	u32		prev;	/* reserved for F/W use */
500 	u32		addr[2];
501 	u32		count;
502 	u32		flags;	/* reserved for F/W use */
503 };
504 
505 struct sge_ieee1212 {
506 	u32	addrLow;
507 	u32	addrHigh;
508 	u32	length;
509 	u32	flags;
510 };
511 
512 /*
513  *	SGMAP
514  *
515  *	This is the SGMAP structure for all commands that use
516  *	32-bit addressing.
517  */
518 
519 struct sgmap {
520 	__le32		count;
521 	struct sgentry	sg[1];
522 };
523 
524 struct user_sgmap {
525 	u32		count;
526 	struct user_sgentry	sg[1];
527 };
528 
529 struct sgmap64 {
530 	__le32		count;
531 	struct sgentry64 sg[1];
532 };
533 
534 struct user_sgmap64 {
535 	u32		count;
536 	struct user_sgentry64 sg[1];
537 };
538 
539 struct sgmapraw {
540 	__le32		  count;
541 	struct sgentryraw sg[1];
542 };
543 
544 struct user_sgmapraw {
545 	u32		  count;
546 	struct user_sgentryraw sg[1];
547 };
548 
549 struct creation_info
550 {
551 	u8		buildnum;		/* e.g., 588 */
552 	u8		usec;			/* e.g., 588 */
553 	u8		via;			/* e.g., 1 = FSU,
554 						 *	 2 = API
555 						 */
556 	u8		year;			/* e.g., 1997 = 97 */
557 	__le32		date;			/*
558 						 * unsigned	Month		:4;	// 1 - 12
559 						 * unsigned	Day		:6;	// 1 - 32
560 						 * unsigned	Hour		:6;	// 0 - 23
561 						 * unsigned	Minute		:6;	// 0 - 60
562 						 * unsigned	Second		:6;	// 0 - 60
563 						 */
564 	__le32		serial[2];			/* e.g., 0x1DEADB0BFAFAF001 */
565 };
566 
567 
568 /*
569  *	Define all the constants needed for the communication interface
570  */
571 
572 /*
573  *	Define how many queue entries each queue will have and the total
574  *	number of entries for the entire communication interface. Also define
575  *	how many queues we support.
576  *
577  *	This has to match the controller
578  */
579 
580 #define NUMBER_OF_COMM_QUEUES  8   // 4 command; 4 response
581 #define HOST_HIGH_CMD_ENTRIES  4
582 #define HOST_NORM_CMD_ENTRIES  8
583 #define ADAP_HIGH_CMD_ENTRIES  4
584 #define ADAP_NORM_CMD_ENTRIES  512
585 #define HOST_HIGH_RESP_ENTRIES 4
586 #define HOST_NORM_RESP_ENTRIES 512
587 #define ADAP_HIGH_RESP_ENTRIES 4
588 #define ADAP_NORM_RESP_ENTRIES 8
589 
590 #define TOTAL_QUEUE_ENTRIES  \
591     (HOST_NORM_CMD_ENTRIES + HOST_HIGH_CMD_ENTRIES + ADAP_NORM_CMD_ENTRIES + ADAP_HIGH_CMD_ENTRIES + \
592 	    HOST_NORM_RESP_ENTRIES + HOST_HIGH_RESP_ENTRIES + ADAP_NORM_RESP_ENTRIES + ADAP_HIGH_RESP_ENTRIES)
593 
594 
595 /*
596  *	Set the queues on a 16 byte alignment
597  */
598 
599 #define QUEUE_ALIGNMENT		16
600 
601 /*
602  *	The queue headers define the Communication Region queues. These
603  *	are physically contiguous and accessible by both the adapter and the
604  *	host. Even though all queue headers are in the same contiguous block
605  *	they will be represented as individual units in the data structures.
606  */
607 
608 struct aac_entry {
609 	__le32 size; /* Size in bytes of Fib which this QE points to */
610 	__le32 addr; /* Receiver address of the FIB */
611 };
612 
613 /*
614  *	The adapter assumes the ProducerIndex and ConsumerIndex are grouped
615  *	adjacently and in that order.
616  */
617 
618 struct aac_qhdr {
619 	__le64 header_addr;/* Address to hand the adapter to access
620 			      to this queue head */
621 	__le32 *producer; /* The producer index for this queue (host address) */
622 	__le32 *consumer; /* The consumer index for this queue (host address) */
623 };
624 
625 /*
626  *	Define all the events which the adapter would like to notify
627  *	the host of.
628  */
629 
630 #define		HostNormCmdQue		1	/* Change in host normal priority command queue */
631 #define		HostHighCmdQue		2	/* Change in host high priority command queue */
632 #define		HostNormRespQue		3	/* Change in host normal priority response queue */
633 #define		HostHighRespQue		4	/* Change in host high priority response queue */
634 #define		AdapNormRespNotFull	5
635 #define		AdapHighRespNotFull	6
636 #define		AdapNormCmdNotFull	7
637 #define		AdapHighCmdNotFull	8
638 #define		SynchCommandComplete	9
639 #define		AdapInternalError	0xfe    /* The adapter detected an internal error shutting down */
640 
641 /*
642  *	Define all the events the host wishes to notify the
643  *	adapter of. The first four values much match the Qid the
644  *	corresponding queue.
645  */
646 
647 #define		AdapNormCmdQue		2
648 #define		AdapHighCmdQue		3
649 #define		AdapNormRespQue		6
650 #define		AdapHighRespQue		7
651 #define		HostShutdown		8
652 #define		HostPowerFail		9
653 #define		FatalCommError		10
654 #define		HostNormRespNotFull	11
655 #define		HostHighRespNotFull	12
656 #define		HostNormCmdNotFull	13
657 #define		HostHighCmdNotFull	14
658 #define		FastIo			15
659 #define		AdapPrintfDone		16
660 
661 /*
662  *	Define all the queues that the adapter and host use to communicate
663  *	Number them to match the physical queue layout.
664  */
665 
666 enum aac_queue_types {
667         HostNormCmdQueue = 0,	/* Adapter to host normal priority command traffic */
668         HostHighCmdQueue,	/* Adapter to host high priority command traffic */
669         AdapNormCmdQueue,	/* Host to adapter normal priority command traffic */
670         AdapHighCmdQueue,	/* Host to adapter high priority command traffic */
671         HostNormRespQueue,	/* Adapter to host normal priority response traffic */
672         HostHighRespQueue,	/* Adapter to host high priority response traffic */
673         AdapNormRespQueue,	/* Host to adapter normal priority response traffic */
674         AdapHighRespQueue	/* Host to adapter high priority response traffic */
675 };
676 
677 /*
678  *	Assign type values to the FSA communication data structures
679  */
680 
681 #define		FIB_MAGIC	0x0001
682 #define		FIB_MAGIC2	0x0004
683 #define		FIB_MAGIC2_64	0x0005
684 
685 /*
686  *	Define the priority levels the FSA communication routines support.
687  */
688 
689 #define		FsaNormal	1
690 
691 /* transport FIB header (PMC) */
692 struct aac_fib_xporthdr {
693 	__le64	HostAddress;	/* FIB host address w/o xport header */
694 	__le32	Size;		/* FIB size excluding xport header */
695 	__le32	Handle;		/* driver handle to reference the FIB */
696 	__le64	Reserved[2];
697 };
698 
699 #define		ALIGN32		32
700 
701 /*
702  * Define the FIB. The FIB is the where all the requested data and
703  * command information are put to the application on the FSA adapter.
704  */
705 
706 struct aac_fibhdr {
707 	__le32 XferState;	/* Current transfer state for this CCB */
708 	__le16 Command;		/* Routing information for the destination */
709 	u8 StructType;		/* Type FIB */
710 	u8 Unused;		/* Unused */
711 	__le16 Size;		/* Size of this FIB in bytes */
712 	__le16 SenderSize;	/* Size of the FIB in the sender
713 				   (for response sizing) */
714 	__le32 SenderFibAddress;  /* Host defined data in the FIB */
715 	union {
716 		__le32 ReceiverFibAddress;/* Logical address of this FIB for
717 				     the adapter (old) */
718 		__le32 SenderFibAddressHigh;/* upper 32bit of phys. FIB address */
719 		__le32 TimeStamp;	/* otherwise timestamp for FW internal use */
720 	} u;
721 	__le32 Handle;		/* FIB handle used for MSGU commnunication */
722 	u32 Previous;		/* FW internal use */
723 	u32 Next;		/* FW internal use */
724 };
725 
726 struct hw_fib {
727 	struct aac_fibhdr header;
728 	u8 data[512-sizeof(struct aac_fibhdr)];	// Command specific data
729 };
730 
731 /*
732  *	FIB commands
733  */
734 
735 #define		TestCommandResponse		1
736 #define		TestAdapterCommand		2
737 /*
738  *	Lowlevel and comm commands
739  */
740 #define		LastTestCommand			100
741 #define		ReinitHostNormCommandQueue	101
742 #define		ReinitHostHighCommandQueue	102
743 #define		ReinitHostHighRespQueue		103
744 #define		ReinitHostNormRespQueue		104
745 #define		ReinitAdapNormCommandQueue	105
746 #define		ReinitAdapHighCommandQueue	107
747 #define		ReinitAdapHighRespQueue		108
748 #define		ReinitAdapNormRespQueue		109
749 #define		InterfaceShutdown		110
750 #define		DmaCommandFib			120
751 #define		StartProfile			121
752 #define		TermProfile			122
753 #define		SpeedTest			123
754 #define		TakeABreakPt			124
755 #define		RequestPerfData			125
756 #define		SetInterruptDefTimer		126
757 #define		SetInterruptDefCount		127
758 #define		GetInterruptDefStatus		128
759 #define		LastCommCommand			129
760 /*
761  *	Filesystem commands
762  */
763 #define		NuFileSystem			300
764 #define		UFS				301
765 #define		HostFileSystem			302
766 #define		LastFileSystemCommand		303
767 /*
768  *	Container Commands
769  */
770 #define		ContainerCommand		500
771 #define		ContainerCommand64		501
772 #define		ContainerRawIo			502
773 #define		ContainerRawIo2			503
774 /*
775  *	Scsi Port commands (scsi passthrough)
776  */
777 #define		ScsiPortCommand			600
778 #define		ScsiPortCommand64		601
779 /*
780  *	Misc house keeping and generic adapter initiated commands
781  */
782 #define		AifRequest			700
783 #define		CheckRevision			701
784 #define		FsaHostShutdown			702
785 #define		RequestAdapterInfo		703
786 #define		IsAdapterPaused			704
787 #define		SendHostTime			705
788 #define		RequestSupplementAdapterInfo	706
789 #define		LastMiscCommand			707
790 
791 /*
792  * Commands that will target the failover level on the FSA adapter
793  */
794 
795 enum fib_xfer_state {
796 	HostOwned			= (1<<0),
797 	AdapterOwned			= (1<<1),
798 	FibInitialized			= (1<<2),
799 	FibEmpty			= (1<<3),
800 	AllocatedFromPool		= (1<<4),
801 	SentFromHost			= (1<<5),
802 	SentFromAdapter			= (1<<6),
803 	ResponseExpected		= (1<<7),
804 	NoResponseExpected		= (1<<8),
805 	AdapterProcessed		= (1<<9),
806 	HostProcessed			= (1<<10),
807 	HighPriority			= (1<<11),
808 	NormalPriority			= (1<<12),
809 	Async				= (1<<13),
810 	AsyncIo				= (1<<13),	// rpbfix: remove with new regime
811 	PageFileIo			= (1<<14),	// rpbfix: remove with new regime
812 	ShutdownRequest			= (1<<15),
813 	LazyWrite			= (1<<16),	// rpbfix: remove with new regime
814 	AdapterMicroFib			= (1<<17),
815 	BIOSFibPath			= (1<<18),
816 	FastResponseCapable		= (1<<19),
817 	ApiFib				= (1<<20),	/* Its an API Fib */
818 	/* PMC NEW COMM: There is no more AIF data pending */
819 	NoMoreAifDataAvailable		= (1<<21)
820 };
821 
822 /*
823  *	The following defines needs to be updated any time there is an
824  *	incompatible change made to the aac_init structure.
825  */
826 
827 #define ADAPTER_INIT_STRUCT_REVISION		3
828 #define ADAPTER_INIT_STRUCT_REVISION_4		4 // rocket science
829 #define ADAPTER_INIT_STRUCT_REVISION_6		6 /* PMC src */
830 #define ADAPTER_INIT_STRUCT_REVISION_7		7 /* Denali */
831 #define ADAPTER_INIT_STRUCT_REVISION_8		8 // Thor
832 
833 union aac_init
834 {
835 	struct _r7 {
836 		__le32	init_struct_revision;
837 		__le32	no_of_msix_vectors;
838 		__le32	fsrev;
839 		__le32	comm_header_address;
840 		__le32	fast_io_comm_area_address;
841 		__le32	adapter_fibs_physical_address;
842 		__le32	adapter_fibs_virtual_address;
843 		__le32	adapter_fibs_size;
844 		__le32	adapter_fib_align;
845 		__le32	printfbuf;
846 		__le32	printfbufsiz;
847 		/* number of 4k pages of host phys. mem. */
848 		__le32	host_phys_mem_pages;
849 		/* number of seconds since 1970. */
850 		__le32	host_elapsed_seconds;
851 		/* ADAPTER_INIT_STRUCT_REVISION_4 begins here */
852 		__le32	init_flags;	/* flags for supported features */
853 #define INITFLAGS_NEW_COMM_SUPPORTED	0x00000001
854 #define INITFLAGS_DRIVER_USES_UTC_TIME	0x00000010
855 #define INITFLAGS_DRIVER_SUPPORTS_PM	0x00000020
856 #define INITFLAGS_NEW_COMM_TYPE1_SUPPORTED	0x00000040
857 #define INITFLAGS_FAST_JBOD_SUPPORTED	0x00000080
858 #define INITFLAGS_NEW_COMM_TYPE2_SUPPORTED	0x00000100
859 #define INITFLAGS_DRIVER_SUPPORTS_HBA_MODE  0x00000400
860 		__le32	max_io_commands;	/* max outstanding commands */
861 		__le32	max_io_size;	/* largest I/O command */
862 		__le32	max_fib_size;	/* largest FIB to adapter */
863 		/* ADAPTER_INIT_STRUCT_REVISION_5 begins here */
864 		__le32	max_num_aif;	/* max number of aif */
865 		/* ADAPTER_INIT_STRUCT_REVISION_6 begins here */
866 		/* Host RRQ (response queue) for SRC */
867 		__le32	host_rrq_addr_low;
868 		__le32	host_rrq_addr_high;
869 	} r7;
870 	struct _r8 {
871 		/* ADAPTER_INIT_STRUCT_REVISION_8 */
872 		__le32	init_struct_revision;
873 		__le32	rr_queue_count;
874 		__le32	host_elapsed_seconds; /* number of secs since 1970. */
875 		__le32	init_flags;
876 		__le32	max_io_size;	/* largest I/O command */
877 		__le32	max_num_aif;	/* max number of aif */
878 		__le32	reserved1;
879 		__le32	reserved2;
880 		struct _rrq {
881 			__le32	host_addr_low;
882 			__le32	host_addr_high;
883 			__le16	msix_id;
884 			__le16	element_count;
885 			__le16	comp_thresh;
886 			__le16	unused;
887 		} rrq[1];		/* up to 64 RRQ addresses */
888 	} r8;
889 };
890 
891 enum aac_log_level {
892 	LOG_AAC_INIT			= 10,
893 	LOG_AAC_INFORMATIONAL		= 20,
894 	LOG_AAC_WARNING			= 30,
895 	LOG_AAC_LOW_ERROR		= 40,
896 	LOG_AAC_MEDIUM_ERROR		= 50,
897 	LOG_AAC_HIGH_ERROR		= 60,
898 	LOG_AAC_PANIC			= 70,
899 	LOG_AAC_DEBUG			= 80,
900 	LOG_AAC_WINDBG_PRINT		= 90
901 };
902 
903 #define FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT	0x030b
904 #define FSAFS_NTC_FIB_CONTEXT			0x030c
905 
906 struct aac_dev;
907 struct fib;
908 struct scsi_cmnd;
909 
910 struct adapter_ops
911 {
912 	/* Low level operations */
913 	void (*adapter_interrupt)(struct aac_dev *dev);
914 	void (*adapter_notify)(struct aac_dev *dev, u32 event);
915 	void (*adapter_disable_int)(struct aac_dev *dev);
916 	void (*adapter_enable_int)(struct aac_dev *dev);
917 	int  (*adapter_sync_cmd)(struct aac_dev *dev, u32 command, u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, u32 *status, u32 *r1, u32 *r2, u32 *r3, u32 *r4);
918 	int  (*adapter_check_health)(struct aac_dev *dev);
919 	int  (*adapter_restart)(struct aac_dev *dev, int bled, u8 reset_type);
920 	void (*adapter_start)(struct aac_dev *dev);
921 	/* Transport operations */
922 	int  (*adapter_ioremap)(struct aac_dev * dev, u32 size);
923 	irq_handler_t adapter_intr;
924 	/* Packet operations */
925 	int  (*adapter_deliver)(struct fib * fib);
926 	int  (*adapter_bounds)(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba);
927 	int  (*adapter_read)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count);
928 	int  (*adapter_write)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua);
929 	int  (*adapter_scsi)(struct fib * fib, struct scsi_cmnd * cmd);
930 	/* Administrative operations */
931 	int  (*adapter_comm)(struct aac_dev * dev, int comm);
932 };
933 
934 /*
935  *	Define which interrupt handler needs to be installed
936  */
937 
938 struct aac_driver_ident
939 {
940 	int	(*init)(struct aac_dev *dev);
941 	char *	name;
942 	char *	vname;
943 	char *	model;
944 	u16	channels;
945 	int	quirks;
946 };
947 /*
948  * Some adapter firmware needs communication memory
949  * below 2gig. This tells the init function to set the
950  * dma mask such that fib memory will be allocated where the
951  * adapter firmware can get to it.
952  */
953 #define AAC_QUIRK_31BIT	0x0001
954 
955 /*
956  * Some adapter firmware, when the raid card's cache is turned off, can not
957  * split up scatter gathers in order to deal with the limits of the
958  * underlying CHIM. This limit is 34 scatter gather elements.
959  */
960 #define AAC_QUIRK_34SG	0x0002
961 
962 /*
963  * This adapter is a slave (no Firmware)
964  */
965 #define AAC_QUIRK_SLAVE 0x0004
966 
967 /*
968  * This adapter is a master.
969  */
970 #define AAC_QUIRK_MASTER 0x0008
971 
972 /*
973  * Some adapter firmware perform poorly when it must split up scatter gathers
974  * in order to deal with the limits of the underlying CHIM. This limit in this
975  * class of adapters is 17 scatter gather elements.
976  */
977 #define AAC_QUIRK_17SG	0x0010
978 
979 /*
980  *	Some adapter firmware does not support 64 bit scsi passthrough
981  * commands.
982  */
983 #define AAC_QUIRK_SCSI_32	0x0020
984 
985 /*
986  * SRC based adapters support the AifReqEvent functions
987  */
988 #define AAC_QUIRK_SRC 0x0040
989 
990 /*
991  *	The adapter interface specs all queues to be located in the same
992  *	physically contiguous block. The host structure that defines the
993  *	commuication queues will assume they are each a separate physically
994  *	contiguous memory region that will support them all being one big
995  *	contiguous block.
996  *	There is a command and response queue for each level and direction of
997  *	commuication. These regions are accessed by both the host and adapter.
998  */
999 
1000 struct aac_queue {
1001 	u64			logical;	/*address we give the adapter */
1002 	struct aac_entry	*base;		/*system virtual address */
1003 	struct aac_qhdr		headers;	/*producer,consumer q headers*/
1004 	u32			entries;	/*Number of queue entries */
1005 	wait_queue_head_t	qfull;		/*Event to wait on if q full */
1006 	wait_queue_head_t	cmdready;	/*Cmd ready from the adapter */
1007 		/* This is only valid for adapter to host command queues. */
1008 	spinlock_t		*lock;		/* Spinlock for this queue must take this lock before accessing the lock */
1009 	spinlock_t		lockdata;	/* Actual lock (used only on one side of the lock) */
1010 	struct list_head	cmdq;		/* A queue of FIBs which need to be prcessed by the FS thread. This is */
1011 						/* only valid for command queues which receive entries from the adapter. */
1012 	/* Number of entries on outstanding queue. */
1013 	atomic_t		numpending;
1014 	struct aac_dev *	dev;		/* Back pointer to adapter structure */
1015 };
1016 
1017 /*
1018  *	Message queues. The order here is important, see also the
1019  *	queue type ordering
1020  */
1021 
1022 struct aac_queue_block
1023 {
1024 	struct aac_queue queue[8];
1025 };
1026 
1027 /*
1028  *	SaP1 Message Unit Registers
1029  */
1030 
1031 struct sa_drawbridge_CSR {
1032 				/*	Offset	|  Name */
1033 	__le32	reserved[10];	/*	00h-27h |  Reserved */
1034 	u8	LUT_Offset;	/*	28h	|  Lookup Table Offset */
1035 	u8	reserved1[3];	/*	29h-2bh	|  Reserved */
1036 	__le32	LUT_Data;	/*	2ch	|  Looup Table Data */
1037 	__le32	reserved2[26];	/*	30h-97h	|  Reserved */
1038 	__le16	PRICLEARIRQ;	/*	98h	|  Primary Clear Irq */
1039 	__le16	SECCLEARIRQ;	/*	9ah	|  Secondary Clear Irq */
1040 	__le16	PRISETIRQ;	/*	9ch	|  Primary Set Irq */
1041 	__le16	SECSETIRQ;	/*	9eh	|  Secondary Set Irq */
1042 	__le16	PRICLEARIRQMASK;/*	a0h	|  Primary Clear Irq Mask */
1043 	__le16	SECCLEARIRQMASK;/*	a2h	|  Secondary Clear Irq Mask */
1044 	__le16	PRISETIRQMASK;	/*	a4h	|  Primary Set Irq Mask */
1045 	__le16	SECSETIRQMASK;	/*	a6h	|  Secondary Set Irq Mask */
1046 	__le32	MAILBOX0;	/*	a8h	|  Scratchpad 0 */
1047 	__le32	MAILBOX1;	/*	ach	|  Scratchpad 1 */
1048 	__le32	MAILBOX2;	/*	b0h	|  Scratchpad 2 */
1049 	__le32	MAILBOX3;	/*	b4h	|  Scratchpad 3 */
1050 	__le32	MAILBOX4;	/*	b8h	|  Scratchpad 4 */
1051 	__le32	MAILBOX5;	/*	bch	|  Scratchpad 5 */
1052 	__le32	MAILBOX6;	/*	c0h	|  Scratchpad 6 */
1053 	__le32	MAILBOX7;	/*	c4h	|  Scratchpad 7 */
1054 	__le32	ROM_Setup_Data;	/*	c8h	|  Rom Setup and Data */
1055 	__le32	ROM_Control_Addr;/*	cch	|  Rom Control and Address */
1056 	__le32	reserved3[12];	/*	d0h-ffh	|  reserved */
1057 	__le32	LUT[64];	/*    100h-1ffh	|  Lookup Table Entries */
1058 };
1059 
1060 #define Mailbox0	SaDbCSR.MAILBOX0
1061 #define Mailbox1	SaDbCSR.MAILBOX1
1062 #define Mailbox2	SaDbCSR.MAILBOX2
1063 #define Mailbox3	SaDbCSR.MAILBOX3
1064 #define Mailbox4	SaDbCSR.MAILBOX4
1065 #define Mailbox5	SaDbCSR.MAILBOX5
1066 #define Mailbox6	SaDbCSR.MAILBOX6
1067 #define Mailbox7	SaDbCSR.MAILBOX7
1068 
1069 #define DoorbellReg_p SaDbCSR.PRISETIRQ
1070 #define DoorbellReg_s SaDbCSR.SECSETIRQ
1071 #define DoorbellClrReg_p SaDbCSR.PRICLEARIRQ
1072 
1073 
1074 #define	DOORBELL_0	0x0001
1075 #define DOORBELL_1	0x0002
1076 #define DOORBELL_2	0x0004
1077 #define DOORBELL_3	0x0008
1078 #define DOORBELL_4	0x0010
1079 #define DOORBELL_5	0x0020
1080 #define DOORBELL_6	0x0040
1081 
1082 
1083 #define PrintfReady	DOORBELL_5
1084 #define PrintfDone	DOORBELL_5
1085 
1086 struct sa_registers {
1087 	struct sa_drawbridge_CSR	SaDbCSR;			/* 98h - c4h */
1088 };
1089 
1090 
1091 #define SA_INIT_NUM_MSIXVECTORS		1
1092 #define SA_MINIPORT_REVISION		SA_INIT_NUM_MSIXVECTORS
1093 
1094 #define sa_readw(AEP, CSR)		readl(&((AEP)->regs.sa->CSR))
1095 #define sa_readl(AEP, CSR)		readl(&((AEP)->regs.sa->CSR))
1096 #define sa_writew(AEP, CSR, value)	writew(value, &((AEP)->regs.sa->CSR))
1097 #define sa_writel(AEP, CSR, value)	writel(value, &((AEP)->regs.sa->CSR))
1098 
1099 /*
1100  *	Rx Message Unit Registers
1101  */
1102 
1103 struct rx_mu_registers {
1104 			    /*	Local  | PCI*| Name */
1105 	__le32	ARSR;	    /*	1300h  | 00h | APIC Register Select Register */
1106 	__le32	reserved0;  /*	1304h  | 04h | Reserved */
1107 	__le32	AWR;	    /*	1308h  | 08h | APIC Window Register */
1108 	__le32	reserved1;  /*	130Ch  | 0Ch | Reserved */
1109 	__le32	IMRx[2];    /*	1310h  | 10h | Inbound Message Registers */
1110 	__le32	OMRx[2];    /*	1318h  | 18h | Outbound Message Registers */
1111 	__le32	IDR;	    /*	1320h  | 20h | Inbound Doorbell Register */
1112 	__le32	IISR;	    /*	1324h  | 24h | Inbound Interrupt
1113 						Status Register */
1114 	__le32	IIMR;	    /*	1328h  | 28h | Inbound Interrupt
1115 						Mask Register */
1116 	__le32	ODR;	    /*	132Ch  | 2Ch | Outbound Doorbell Register */
1117 	__le32	OISR;	    /*	1330h  | 30h | Outbound Interrupt
1118 						Status Register */
1119 	__le32	OIMR;	    /*	1334h  | 34h | Outbound Interrupt
1120 						Mask Register */
1121 	__le32	reserved2;  /*	1338h  | 38h | Reserved */
1122 	__le32	reserved3;  /*	133Ch  | 3Ch | Reserved */
1123 	__le32	InboundQueue;/*	1340h  | 40h | Inbound Queue Port relative to firmware */
1124 	__le32	OutboundQueue;/*1344h  | 44h | Outbound Queue Port relative to firmware */
1125 			    /* * Must access through ATU Inbound
1126 				 Translation Window */
1127 };
1128 
1129 struct rx_inbound {
1130 	__le32	Mailbox[8];
1131 };
1132 
1133 #define	INBOUNDDOORBELL_0	0x00000001
1134 #define INBOUNDDOORBELL_1	0x00000002
1135 #define INBOUNDDOORBELL_2	0x00000004
1136 #define INBOUNDDOORBELL_3	0x00000008
1137 #define INBOUNDDOORBELL_4	0x00000010
1138 #define INBOUNDDOORBELL_5	0x00000020
1139 #define INBOUNDDOORBELL_6	0x00000040
1140 
1141 #define	OUTBOUNDDOORBELL_0	0x00000001
1142 #define OUTBOUNDDOORBELL_1	0x00000002
1143 #define OUTBOUNDDOORBELL_2	0x00000004
1144 #define OUTBOUNDDOORBELL_3	0x00000008
1145 #define OUTBOUNDDOORBELL_4	0x00000010
1146 
1147 #define InboundDoorbellReg	MUnit.IDR
1148 #define OutboundDoorbellReg	MUnit.ODR
1149 
1150 struct rx_registers {
1151 	struct rx_mu_registers		MUnit;		/* 1300h - 1347h */
1152 	__le32				reserved1[2];	/* 1348h - 134ch */
1153 	struct rx_inbound		IndexRegs;
1154 };
1155 
1156 #define rx_readb(AEP, CSR)		readb(&((AEP)->regs.rx->CSR))
1157 #define rx_readl(AEP, CSR)		readl(&((AEP)->regs.rx->CSR))
1158 #define rx_writeb(AEP, CSR, value)	writeb(value, &((AEP)->regs.rx->CSR))
1159 #define rx_writel(AEP, CSR, value)	writel(value, &((AEP)->regs.rx->CSR))
1160 
1161 /*
1162  *	Rkt Message Unit Registers (same as Rx, except a larger reserve region)
1163  */
1164 
1165 #define rkt_mu_registers rx_mu_registers
1166 #define rkt_inbound rx_inbound
1167 
1168 struct rkt_registers {
1169 	struct rkt_mu_registers		MUnit;		 /* 1300h - 1347h */
1170 	__le32				reserved1[1006]; /* 1348h - 22fch */
1171 	struct rkt_inbound		IndexRegs;	 /* 2300h - */
1172 };
1173 
1174 #define rkt_readb(AEP, CSR)		readb(&((AEP)->regs.rkt->CSR))
1175 #define rkt_readl(AEP, CSR)		readl(&((AEP)->regs.rkt->CSR))
1176 #define rkt_writeb(AEP, CSR, value)	writeb(value, &((AEP)->regs.rkt->CSR))
1177 #define rkt_writel(AEP, CSR, value)	writel(value, &((AEP)->regs.rkt->CSR))
1178 
1179 /*
1180  * PMC SRC message unit registers
1181  */
1182 
1183 #define src_inbound rx_inbound
1184 
1185 struct src_mu_registers {
1186 				/*  PCI*| Name */
1187 	__le32	reserved0[6];	/*  00h | Reserved */
1188 	__le32	IOAR[2];	/*  18h | IOA->host interrupt register */
1189 	__le32	IDR;		/*  20h | Inbound Doorbell Register */
1190 	__le32	IISR;		/*  24h | Inbound Int. Status Register */
1191 	__le32	reserved1[3];	/*  28h | Reserved */
1192 	__le32	OIMR;		/*  34h | Outbound Int. Mask Register */
1193 	__le32	reserved2[25];  /*  38h | Reserved */
1194 	__le32	ODR_R;		/*  9ch | Outbound Doorbell Read */
1195 	__le32	ODR_C;		/*  a0h | Outbound Doorbell Clear */
1196 	__le32	reserved3[3];	/*  a4h | Reserved */
1197 	__le32	SCR0;		/*  b0h | Scratchpad 0 */
1198 	__le32	reserved4[2];	/*  b4h | Reserved */
1199 	__le32	OMR;		/*  bch | Outbound Message Register */
1200 	__le32	IQ_L;		/*  c0h | Inbound Queue (Low address) */
1201 	__le32	IQ_H;		/*  c4h | Inbound Queue (High address) */
1202 	__le32	ODR_MSI;	/*  c8h | MSI register for sync./AIF */
1203 	__le32  reserved5;	/*  cch | Reserved */
1204 	__le32	IQN_L;		/*  d0h | Inbound (native cmd) low  */
1205 	__le32	IQN_H;		/*  d4h | Inbound (native cmd) high */
1206 };
1207 
1208 struct src_registers {
1209 	struct src_mu_registers MUnit;	/* 00h - cbh */
1210 	union {
1211 		struct {
1212 			__le32 reserved1[130786];	/* d8h - 7fc5fh */
1213 			struct src_inbound IndexRegs;	/* 7fc60h */
1214 		} tupelo;
1215 		struct {
1216 			__le32 reserved1[970];		/* d8h - fffh */
1217 			struct src_inbound IndexRegs;	/* 1000h */
1218 		} denali;
1219 	} u;
1220 };
1221 
1222 #define src_readb(AEP, CSR)		readb(&((AEP)->regs.src.bar0->CSR))
1223 #define src_readl(AEP, CSR)		readl(&((AEP)->regs.src.bar0->CSR))
1224 #define src_writeb(AEP, CSR, value)	writeb(value, \
1225 						&((AEP)->regs.src.bar0->CSR))
1226 #define src_writel(AEP, CSR, value)	writel(value, \
1227 						&((AEP)->regs.src.bar0->CSR))
1228 #if defined(writeq)
1229 #define	src_writeq(AEP, CSR, value)	writeq(value, \
1230 						&((AEP)->regs.src.bar0->CSR))
1231 #endif
1232 
1233 #define SRC_ODR_SHIFT		12
1234 #define SRC_IDR_SHIFT		9
1235 #define SRC_MSI_READ_MASK	0x1000
1236 
1237 typedef void (*fib_callback)(void *ctxt, struct fib *fibctx);
1238 
1239 struct aac_fib_context {
1240 	s16			type;		// used for verification of structure
1241 	s16			size;
1242 	u32			unique;		// unique value representing this context
1243 	ulong			jiffies;	// used for cleanup - dmb changed to ulong
1244 	struct list_head	next;		// used to link context's into a linked list
1245 	struct completion	completion;	// this is used to wait for the next fib to arrive.
1246 	int			wait;		// Set to true when thread is in WaitForSingleObject
1247 	unsigned long		count;		// total number of FIBs on FibList
1248 	struct list_head	fib_list;	// this holds fibs and their attachd hw_fibs
1249 };
1250 
1251 struct sense_data {
1252 	u8 error_code;		/* 70h (current errors), 71h(deferred errors) */
1253 	u8 valid:1;		/* A valid bit of one indicates that the information  */
1254 				/* field contains valid information as defined in the
1255 				 * SCSI-2 Standard.
1256 				 */
1257 	u8 segment_number;	/* Only used for COPY, COMPARE, or COPY AND VERIFY Commands */
1258 	u8 sense_key:4;		/* Sense Key */
1259 	u8 reserved:1;
1260 	u8 ILI:1;		/* Incorrect Length Indicator */
1261 	u8 EOM:1;		/* End Of Medium - reserved for random access devices */
1262 	u8 filemark:1;		/* Filemark - reserved for random access devices */
1263 
1264 	u8 information[4];	/* for direct-access devices, contains the unsigned
1265 				 * logical block address or residue associated with
1266 				 * the sense key
1267 				 */
1268 	u8 add_sense_len;	/* number of additional sense bytes to follow this field */
1269 	u8 cmnd_info[4];	/* not used */
1270 	u8 ASC;			/* Additional Sense Code */
1271 	u8 ASCQ;		/* Additional Sense Code Qualifier */
1272 	u8 FRUC;		/* Field Replaceable Unit Code - not used */
1273 	u8 bit_ptr:3;		/* indicates which byte of the CDB or parameter data
1274 				 * was in error
1275 				 */
1276 	u8 BPV:1;		/* bit pointer valid (BPV): 1- indicates that
1277 				 * the bit_ptr field has valid value
1278 				 */
1279 	u8 reserved2:2;
1280 	u8 CD:1;		/* command data bit: 1- illegal parameter in CDB.
1281 				 * 0- illegal parameter in data.
1282 				 */
1283 	u8 SKSV:1;
1284 	u8 field_ptr[2];	/* byte of the CDB or parameter data in error */
1285 };
1286 
1287 struct fsa_dev_info {
1288 	u64		last;
1289 	u64		size;
1290 	u32		type;
1291 	u32		config_waiting_on;
1292 	unsigned long	config_waiting_stamp;
1293 	u16		queue_depth;
1294 	u8		config_needed;
1295 	u8		valid;
1296 	u8		ro;
1297 	u8		locked;
1298 	u8		deleted;
1299 	char		devname[8];
1300 	struct sense_data sense_data;
1301 	u32		block_size;
1302 	u8		identifier[16];
1303 };
1304 
1305 struct fib {
1306 	void			*next;	/* this is used by the allocator */
1307 	s16			type;
1308 	s16			size;
1309 	/*
1310 	 *	The Adapter that this I/O is destined for.
1311 	 */
1312 	struct aac_dev		*dev;
1313 	/*
1314 	 *	This is the event the sendfib routine will wait on if the
1315 	 *	caller did not pass one and this is synch io.
1316 	 */
1317 	struct completion	event_wait;
1318 	spinlock_t		event_lock;
1319 
1320 	u32			done;	/* gets set to 1 when fib is complete */
1321 	fib_callback		callback;
1322 	void			*callback_data;
1323 	u32			flags; // u32 dmb was ulong
1324 	/*
1325 	 *	And for the internal issue/reply queues (we may be able
1326 	 *	to merge these two)
1327 	 */
1328 	struct list_head	fiblink;
1329 	void			*data;
1330 	u32			vector_no;
1331 	struct hw_fib		*hw_fib_va;	/* also used for native */
1332 	dma_addr_t		hw_fib_pa;	/* physical address of hw_fib*/
1333 	dma_addr_t		hw_sgl_pa;	/* extra sgl for native */
1334 	dma_addr_t		hw_error_pa;	/* error buffer for native */
1335 	u32			hbacmd_size;	/* cmd size for native */
1336 };
1337 
1338 #define AAC_INIT			0
1339 #define AAC_RESCAN			1
1340 
1341 #define AAC_DEVTYPE_RAID_MEMBER	1
1342 #define AAC_DEVTYPE_ARC_RAW		2
1343 #define AAC_DEVTYPE_NATIVE_RAW		3
1344 
1345 #define AAC_SAFW_RESCAN_DELAY		(10 * HZ)
1346 
1347 struct aac_hba_map_info {
1348 	__le32	rmw_nexus;		/* nexus for native HBA devices */
1349 	u8		devtype;	/* device type */
1350 	s8		reset_state;	/* 0 - no reset, 1..x - */
1351 					/* after xth TM LUN reset */
1352 	u16		qd_limit;
1353 	u32		scan_counter;
1354 	struct aac_ciss_identify_pd  *safw_identify_resp;
1355 };
1356 
1357 /*
1358  *	Adapter Information Block
1359  *
1360  *	This is returned by the RequestAdapterInfo block
1361  */
1362 
1363 struct aac_adapter_info
1364 {
1365 	__le32	platform;
1366 	__le32	cpu;
1367 	__le32	subcpu;
1368 	__le32	clock;
1369 	__le32	execmem;
1370 	__le32	buffermem;
1371 	__le32	totalmem;
1372 	__le32	kernelrev;
1373 	__le32	kernelbuild;
1374 	__le32	monitorrev;
1375 	__le32	monitorbuild;
1376 	__le32	hwrev;
1377 	__le32	hwbuild;
1378 	__le32	biosrev;
1379 	__le32	biosbuild;
1380 	__le32	cluster;
1381 	__le32	clusterchannelmask;
1382 	__le32	serial[2];
1383 	__le32	battery;
1384 	__le32	options;
1385 	__le32	OEM;
1386 };
1387 
1388 struct aac_supplement_adapter_info
1389 {
1390 	u8	adapter_type_text[17+1];
1391 	u8	pad[2];
1392 	__le32	flash_memory_byte_size;
1393 	__le32	flash_image_id;
1394 	__le32	max_number_ports;
1395 	__le32	version;
1396 	__le32	feature_bits;
1397 	u8	slot_number;
1398 	u8	reserved_pad0[3];
1399 	u8	build_date[12];
1400 	__le32	current_number_ports;
1401 	struct {
1402 		u8	assembly_pn[8];
1403 		u8	fru_pn[8];
1404 		u8	battery_fru_pn[8];
1405 		u8	ec_version_string[8];
1406 		u8	tsid[12];
1407 	}	vpd_info;
1408 	__le32	flash_firmware_revision;
1409 	__le32	flash_firmware_build;
1410 	__le32	raid_type_morph_options;
1411 	__le32	flash_firmware_boot_revision;
1412 	__le32	flash_firmware_boot_build;
1413 	u8	mfg_pcba_serial_no[12];
1414 	u8	mfg_wwn_name[8];
1415 	__le32	supported_options2;
1416 	__le32	struct_expansion;
1417 	/* StructExpansion == 1 */
1418 	__le32	feature_bits3;
1419 	__le32	supported_performance_modes;
1420 	u8	host_bus_type;		/* uses HOST_BUS_TYPE_xxx defines */
1421 	u8	host_bus_width;		/* actual width in bits or links */
1422 	u16	host_bus_speed;		/* actual bus speed/link rate in MHz */
1423 	u8	max_rrc_drives;		/* max. number of ITP-RRC drives/pool */
1424 	u8	max_disk_xtasks;	/* max. possible num of DiskX Tasks */
1425 
1426 	u8	cpld_ver_loaded;
1427 	u8	cpld_ver_in_flash;
1428 
1429 	__le64	max_rrc_capacity;
1430 	__le32	compiled_max_hist_log_level;
1431 	u8	custom_board_name[12];
1432 	u16	supported_cntlr_mode;	/* identify supported controller mode */
1433 	u16	reserved_for_future16;
1434 	__le32	supported_options3;	/* reserved for future options */
1435 
1436 	__le16	virt_device_bus;		/* virt. SCSI device for Thor */
1437 	__le16	virt_device_target;
1438 	__le16	virt_device_lun;
1439 	__le16	unused;
1440 	__le32	reserved_for_future_growth[68];
1441 
1442 };
1443 #define AAC_FEATURE_FALCON	cpu_to_le32(0x00000010)
1444 #define AAC_FEATURE_JBOD	cpu_to_le32(0x08000000)
1445 /* SupportedOptions2 */
1446 #define AAC_OPTION_MU_RESET		cpu_to_le32(0x00000001)
1447 #define AAC_OPTION_IGNORE_RESET		cpu_to_le32(0x00000002)
1448 #define AAC_OPTION_POWER_MANAGEMENT	cpu_to_le32(0x00000004)
1449 #define AAC_OPTION_DOORBELL_RESET	cpu_to_le32(0x00004000)
1450 /* 4KB sector size */
1451 #define AAC_OPTION_VARIABLE_BLOCK_SIZE	cpu_to_le32(0x00040000)
1452 /* 240 simple volume support */
1453 #define AAC_OPTION_SUPPORTED_240_VOLUMES cpu_to_le32(0x10000000)
1454 /*
1455  * Supports FIB dump sync command send prior to IOP_RESET
1456  */
1457 #define AAC_OPTION_SUPPORTED3_IOP_RESET_FIB_DUMP	cpu_to_le32(0x00004000)
1458 #define AAC_SIS_VERSION_V3	3
1459 #define AAC_SIS_SLOT_UNKNOWN	0xFF
1460 
1461 #define GetBusInfo 0x00000009
1462 struct aac_bus_info {
1463 	__le32	Command;	/* VM_Ioctl */
1464 	__le32	ObjType;	/* FT_DRIVE */
1465 	__le32	MethodId;	/* 1 = SCSI Layer */
1466 	__le32	ObjectId;	/* Handle */
1467 	__le32	CtlCmd;		/* GetBusInfo */
1468 };
1469 
1470 struct aac_bus_info_response {
1471 	__le32	Status;		/* ST_OK */
1472 	__le32	ObjType;
1473 	__le32	MethodId;	/* unused */
1474 	__le32	ObjectId;	/* unused */
1475 	__le32	CtlCmd;		/* unused */
1476 	__le32	ProbeComplete;
1477 	__le32	BusCount;
1478 	__le32	TargetsPerBus;
1479 	u8	InitiatorBusId[10];
1480 	u8	BusValid[10];
1481 };
1482 
1483 /*
1484  * Battery platforms
1485  */
1486 #define AAC_BAT_REQ_PRESENT	(1)
1487 #define AAC_BAT_REQ_NOTPRESENT	(2)
1488 #define AAC_BAT_OPT_PRESENT	(3)
1489 #define AAC_BAT_OPT_NOTPRESENT	(4)
1490 #define AAC_BAT_NOT_SUPPORTED	(5)
1491 /*
1492  * cpu types
1493  */
1494 #define AAC_CPU_SIMULATOR	(1)
1495 #define AAC_CPU_I960		(2)
1496 #define AAC_CPU_STRONGARM	(3)
1497 
1498 /*
1499  * Supported Options
1500  */
1501 #define AAC_OPT_SNAPSHOT		cpu_to_le32(1)
1502 #define AAC_OPT_CLUSTERS		cpu_to_le32(1<<1)
1503 #define AAC_OPT_WRITE_CACHE		cpu_to_le32(1<<2)
1504 #define AAC_OPT_64BIT_DATA		cpu_to_le32(1<<3)
1505 #define AAC_OPT_HOST_TIME_FIB		cpu_to_le32(1<<4)
1506 #define AAC_OPT_RAID50			cpu_to_le32(1<<5)
1507 #define AAC_OPT_4GB_WINDOW		cpu_to_le32(1<<6)
1508 #define AAC_OPT_SCSI_UPGRADEABLE	cpu_to_le32(1<<7)
1509 #define AAC_OPT_SOFT_ERR_REPORT		cpu_to_le32(1<<8)
1510 #define AAC_OPT_SUPPORTED_RECONDITION	cpu_to_le32(1<<9)
1511 #define AAC_OPT_SGMAP_HOST64		cpu_to_le32(1<<10)
1512 #define AAC_OPT_ALARM			cpu_to_le32(1<<11)
1513 #define AAC_OPT_NONDASD			cpu_to_le32(1<<12)
1514 #define AAC_OPT_SCSI_MANAGED		cpu_to_le32(1<<13)
1515 #define AAC_OPT_RAID_SCSI_MODE		cpu_to_le32(1<<14)
1516 #define AAC_OPT_SUPPLEMENT_ADAPTER_INFO	cpu_to_le32(1<<16)
1517 #define AAC_OPT_NEW_COMM		cpu_to_le32(1<<17)
1518 #define AAC_OPT_NEW_COMM_64		cpu_to_le32(1<<18)
1519 #define AAC_OPT_EXTENDED		cpu_to_le32(1<<23)
1520 #define AAC_OPT_NATIVE_HBA		cpu_to_le32(1<<25)
1521 #define AAC_OPT_NEW_COMM_TYPE1		cpu_to_le32(1<<28)
1522 #define AAC_OPT_NEW_COMM_TYPE2		cpu_to_le32(1<<29)
1523 #define AAC_OPT_NEW_COMM_TYPE3		cpu_to_le32(1<<30)
1524 #define AAC_OPT_NEW_COMM_TYPE4		cpu_to_le32(1<<31)
1525 
1526 #define AAC_COMM_PRODUCER		0
1527 #define AAC_COMM_MESSAGE		1
1528 #define AAC_COMM_MESSAGE_TYPE1		3
1529 #define AAC_COMM_MESSAGE_TYPE2		4
1530 #define AAC_COMM_MESSAGE_TYPE3		5
1531 
1532 #define AAC_EXTOPT_SA_FIRMWARE		cpu_to_le32(1<<1)
1533 #define AAC_EXTOPT_SOFT_RESET		cpu_to_le32(1<<16)
1534 
1535 /* MSIX context */
1536 struct aac_msix_ctx {
1537 	int		vector_no;
1538 	struct aac_dev	*dev;
1539 };
1540 
1541 struct aac_dev
1542 {
1543 	struct list_head	entry;
1544 	const char		*name;
1545 	int			id;
1546 
1547 	/*
1548 	 *	negotiated FIB settings
1549 	 */
1550 	unsigned int		max_fib_size;
1551 	unsigned int		sg_tablesize;
1552 	unsigned int		max_num_aif;
1553 
1554 	unsigned int		max_cmd_size;	/* max_fib_size or MAX_NATIVE */
1555 
1556 	/*
1557 	 *	Map for 128 fib objects (64k)
1558 	 */
1559 	dma_addr_t		hw_fib_pa;	/* also used for native cmd */
1560 	struct hw_fib		*hw_fib_va;	/* also used for native cmd */
1561 	struct hw_fib		*aif_base_va;
1562 	/*
1563 	 *	Fib Headers
1564 	 */
1565 	struct fib              *fibs;
1566 
1567 	struct fib		*free_fib;
1568 	spinlock_t		fib_lock;
1569 
1570 	struct mutex		ioctl_mutex;
1571 	struct mutex		scan_mutex;
1572 	struct aac_queue_block *queues;
1573 	/*
1574 	 *	The user API will use an IOCTL to register itself to receive
1575 	 *	FIBs from the adapter.  The following list is used to keep
1576 	 *	track of all the threads that have requested these FIBs.  The
1577 	 *	mutex is used to synchronize access to all data associated
1578 	 *	with the adapter fibs.
1579 	 */
1580 	struct list_head	fib_list;
1581 
1582 	struct adapter_ops	a_ops;
1583 	unsigned long		fsrev;		/* Main driver's revision number */
1584 
1585 	resource_size_t		base_start;	/* main IO base */
1586 	resource_size_t		dbg_base;	/* address of UART
1587 						 * debug buffer */
1588 
1589 	resource_size_t		base_size, dbg_size;	/* Size of
1590 							 *  mapped in region */
1591 	/*
1592 	 * Holds initialization info
1593 	 * to communicate with adapter
1594 	 */
1595 	union aac_init		*init;
1596 	dma_addr_t		init_pa;	/* Holds physical address of the init struct */
1597 	/* response queue (if AAC_COMM_MESSAGE_TYPE1) */
1598 	__le32			*host_rrq;
1599 	dma_addr_t		host_rrq_pa;	/* phys. address */
1600 	/* index into rrq buffer */
1601 	u32			host_rrq_idx[AAC_MAX_MSIX];
1602 	atomic_t		rrq_outstanding[AAC_MAX_MSIX];
1603 	u32			fibs_pushed_no;
1604 	struct pci_dev		*pdev;		/* Our PCI interface */
1605 	/* pointer to buffer used for printf's from the adapter */
1606 	void			*printfbuf;
1607 	void			*comm_addr;	/* Base address of Comm area */
1608 	dma_addr_t		comm_phys;	/* Physical Address of Comm area */
1609 	size_t			comm_size;
1610 
1611 	struct Scsi_Host	*scsi_host_ptr;
1612 	int			maximum_num_containers;
1613 	int			maximum_num_physicals;
1614 	int			maximum_num_channels;
1615 	struct fsa_dev_info	*fsa_dev;
1616 	struct task_struct	*thread;
1617 	struct delayed_work	safw_rescan_work;
1618 	int			cardtype;
1619 	/*
1620 	 *This lock will protect the two 32-bit
1621 	 *writes to the Inbound Queue
1622 	 */
1623 	spinlock_t		iq_lock;
1624 
1625 	/*
1626 	 *	The following is the device specific extension.
1627 	 */
1628 #ifndef AAC_MIN_FOOTPRINT_SIZE
1629 #	define AAC_MIN_FOOTPRINT_SIZE 8192
1630 #	define AAC_MIN_SRC_BAR0_SIZE 0x400000
1631 #	define AAC_MIN_SRC_BAR1_SIZE 0x800
1632 #	define AAC_MIN_SRCV_BAR0_SIZE 0x100000
1633 #	define AAC_MIN_SRCV_BAR1_SIZE 0x400
1634 #endif
1635 	union
1636 	{
1637 		struct sa_registers __iomem *sa;
1638 		struct rx_registers __iomem *rx;
1639 		struct rkt_registers __iomem *rkt;
1640 		struct {
1641 			struct src_registers __iomem *bar0;
1642 			char __iomem *bar1;
1643 		} src;
1644 	} regs;
1645 	volatile void __iomem *base, *dbg_base_mapped;
1646 	volatile struct rx_inbound __iomem *IndexRegs;
1647 	u32			OIMR; /* Mask Register Cache */
1648 	/*
1649 	 *	AIF thread states
1650 	 */
1651 	u32			aif_thread;
1652 	struct aac_adapter_info adapter_info;
1653 	struct aac_supplement_adapter_info supplement_adapter_info;
1654 	/* These are in adapter info but they are in the io flow so
1655 	 * lets break them out so we don't have to do an AND to check them
1656 	 */
1657 	u8			nondasd_support;
1658 	u8			jbod;
1659 	u8			cache_protected;
1660 	u8			dac_support;
1661 	u8			needs_dac;
1662 	u8			raid_scsi_mode;
1663 	u8			comm_interface;
1664 	u8			raw_io_interface;
1665 	u8			raw_io_64;
1666 	u8			printf_enabled;
1667 	u8			in_reset;
1668 	u8			in_soft_reset;
1669 	u8			msi;
1670 	u8			sa_firmware;
1671 	int			management_fib_count;
1672 	spinlock_t		manage_lock;
1673 	spinlock_t		sync_lock;
1674 	int			sync_mode;
1675 	struct fib		*sync_fib;
1676 	struct list_head	sync_fib_list;
1677 	u32			doorbell_mask;
1678 	u32			max_msix;	/* max. MSI-X vectors */
1679 	u32			vector_cap;	/* MSI-X vector capab.*/
1680 	int			msi_enabled;	/* MSI/MSI-X enabled */
1681 	atomic_t		msix_counter;
1682 	u32			scan_counter;
1683 	struct msix_entry	msixentry[AAC_MAX_MSIX];
1684 	struct aac_msix_ctx	aac_msix[AAC_MAX_MSIX]; /* context */
1685 	struct aac_hba_map_info	hba_map[AAC_MAX_BUSES][AAC_MAX_TARGETS];
1686 	struct aac_ciss_phys_luns_resp *safw_phys_luns;
1687 	u8			adapter_shutdown;
1688 	u32			handle_pci_error;
1689 	bool			init_reset;
1690 };
1691 
1692 #define aac_adapter_interrupt(dev) \
1693 	(dev)->a_ops.adapter_interrupt(dev)
1694 
1695 #define aac_adapter_notify(dev, event) \
1696 	(dev)->a_ops.adapter_notify(dev, event)
1697 
1698 #define aac_adapter_disable_int(dev) \
1699 	(dev)->a_ops.adapter_disable_int(dev)
1700 
1701 #define aac_adapter_enable_int(dev) \
1702 	(dev)->a_ops.adapter_enable_int(dev)
1703 
1704 #define aac_adapter_sync_cmd(dev, command, p1, p2, p3, p4, p5, p6, status, r1, r2, r3, r4) \
1705 	(dev)->a_ops.adapter_sync_cmd(dev, command, p1, p2, p3, p4, p5, p6, status, r1, r2, r3, r4)
1706 
1707 #define aac_adapter_restart(dev, bled, reset_type) \
1708 	((dev)->a_ops.adapter_restart(dev, bled, reset_type))
1709 
1710 #define aac_adapter_start(dev) \
1711 	((dev)->a_ops.adapter_start(dev))
1712 
1713 #define aac_adapter_ioremap(dev, size) \
1714 	(dev)->a_ops.adapter_ioremap(dev, size)
1715 
1716 #define aac_adapter_deliver(fib) \
1717 	((fib)->dev)->a_ops.adapter_deliver(fib)
1718 
1719 #define aac_adapter_bounds(dev,cmd,lba) \
1720 	dev->a_ops.adapter_bounds(dev,cmd,lba)
1721 
1722 #define aac_adapter_read(fib,cmd,lba,count) \
1723 	((fib)->dev)->a_ops.adapter_read(fib,cmd,lba,count)
1724 
1725 #define aac_adapter_write(fib,cmd,lba,count,fua) \
1726 	((fib)->dev)->a_ops.adapter_write(fib,cmd,lba,count,fua)
1727 
1728 #define aac_adapter_scsi(fib,cmd) \
1729 	((fib)->dev)->a_ops.adapter_scsi(fib,cmd)
1730 
1731 #define aac_adapter_comm(dev,comm) \
1732 	(dev)->a_ops.adapter_comm(dev, comm)
1733 
1734 #define FIB_CONTEXT_FLAG_TIMED_OUT		(0x00000001)
1735 #define FIB_CONTEXT_FLAG			(0x00000002)
1736 #define FIB_CONTEXT_FLAG_WAIT			(0x00000004)
1737 #define FIB_CONTEXT_FLAG_FASTRESP		(0x00000008)
1738 #define FIB_CONTEXT_FLAG_NATIVE_HBA		(0x00000010)
1739 #define FIB_CONTEXT_FLAG_NATIVE_HBA_TMF	(0x00000020)
1740 #define FIB_CONTEXT_FLAG_SCSI_CMD	(0x00000040)
1741 #define FIB_CONTEXT_FLAG_EH_RESET	(0x00000080)
1742 
1743 /*
1744  *	Define the command values
1745  */
1746 
1747 #define		Null			0
1748 #define		GetAttributes		1
1749 #define		SetAttributes		2
1750 #define		Lookup			3
1751 #define		ReadLink		4
1752 #define		Read			5
1753 #define		Write			6
1754 #define		Create			7
1755 #define		MakeDirectory		8
1756 #define		SymbolicLink		9
1757 #define		MakeNode		10
1758 #define		Removex			11
1759 #define		RemoveDirectoryx	12
1760 #define		Rename			13
1761 #define		Link			14
1762 #define		ReadDirectory		15
1763 #define		ReadDirectoryPlus	16
1764 #define		FileSystemStatus	17
1765 #define		FileSystemInfo		18
1766 #define		PathConfigure		19
1767 #define		Commit			20
1768 #define		Mount			21
1769 #define		UnMount			22
1770 #define		Newfs			23
1771 #define		FsCheck			24
1772 #define		FsSync			25
1773 #define		SimReadWrite		26
1774 #define		SetFileSystemStatus	27
1775 #define		BlockRead		28
1776 #define		BlockWrite		29
1777 #define		NvramIoctl		30
1778 #define		FsSyncWait		31
1779 #define		ClearArchiveBit		32
1780 #define		SetAcl			33
1781 #define		GetAcl			34
1782 #define		AssignAcl		35
1783 #define		FaultInsertion		36	/* Fault Insertion Command */
1784 #define		CrazyCache		37	/* Crazycache */
1785 
1786 #define		MAX_FSACOMMAND_NUM	38
1787 
1788 
1789 /*
1790  *	Define the status returns. These are very unixlike although
1791  *	most are not in fact used
1792  */
1793 
1794 #define		ST_OK		0
1795 #define		ST_PERM		1
1796 #define		ST_NOENT	2
1797 #define		ST_IO		5
1798 #define		ST_NXIO		6
1799 #define		ST_E2BIG	7
1800 #define		ST_MEDERR	8
1801 #define		ST_ACCES	13
1802 #define		ST_EXIST	17
1803 #define		ST_XDEV		18
1804 #define		ST_NODEV	19
1805 #define		ST_NOTDIR	20
1806 #define		ST_ISDIR	21
1807 #define		ST_INVAL	22
1808 #define		ST_FBIG		27
1809 #define		ST_NOSPC	28
1810 #define		ST_ROFS		30
1811 #define		ST_MLINK	31
1812 #define		ST_WOULDBLOCK	35
1813 #define		ST_NAMETOOLONG	63
1814 #define		ST_NOTEMPTY	66
1815 #define		ST_DQUOT	69
1816 #define		ST_STALE	70
1817 #define		ST_REMOTE	71
1818 #define		ST_NOT_READY	72
1819 #define		ST_BADHANDLE	10001
1820 #define		ST_NOT_SYNC	10002
1821 #define		ST_BAD_COOKIE	10003
1822 #define		ST_NOTSUPP	10004
1823 #define		ST_TOOSMALL	10005
1824 #define		ST_SERVERFAULT	10006
1825 #define		ST_BADTYPE	10007
1826 #define		ST_JUKEBOX	10008
1827 #define		ST_NOTMOUNTED	10009
1828 #define		ST_MAINTMODE	10010
1829 #define		ST_STALEACL	10011
1830 
1831 /*
1832  *	On writes how does the client want the data written.
1833  */
1834 
1835 #define	CACHE_CSTABLE		1
1836 #define CACHE_UNSTABLE		2
1837 
1838 /*
1839  *	Lets the client know at which level the data was committed on
1840  *	a write request
1841  */
1842 
1843 #define	CMFILE_SYNCH_NVRAM	1
1844 #define	CMDATA_SYNCH_NVRAM	2
1845 #define	CMFILE_SYNCH		3
1846 #define CMDATA_SYNCH		4
1847 #define CMUNSTABLE		5
1848 
1849 #define	RIO_TYPE_WRITE 			0x0000
1850 #define	RIO_TYPE_READ			0x0001
1851 #define	RIO_SUREWRITE			0x0008
1852 
1853 #define RIO2_IO_TYPE			0x0003
1854 #define RIO2_IO_TYPE_WRITE		0x0000
1855 #define RIO2_IO_TYPE_READ		0x0001
1856 #define RIO2_IO_TYPE_VERIFY		0x0002
1857 #define RIO2_IO_ERROR			0x0004
1858 #define RIO2_IO_SUREWRITE		0x0008
1859 #define RIO2_SGL_CONFORMANT		0x0010
1860 #define RIO2_SG_FORMAT			0xF000
1861 #define RIO2_SG_FORMAT_ARC		0x0000
1862 #define RIO2_SG_FORMAT_SRL		0x1000
1863 #define RIO2_SG_FORMAT_IEEE1212		0x2000
1864 
1865 struct aac_read
1866 {
1867 	__le32		command;
1868 	__le32		cid;
1869 	__le32		block;
1870 	__le32		count;
1871 	struct sgmap	sg;	// Must be last in struct because it is variable
1872 };
1873 
1874 struct aac_read64
1875 {
1876 	__le32		command;
1877 	__le16		cid;
1878 	__le16		sector_count;
1879 	__le32		block;
1880 	__le16		pad;
1881 	__le16		flags;
1882 	struct sgmap64	sg;	// Must be last in struct because it is variable
1883 };
1884 
1885 struct aac_read_reply
1886 {
1887 	__le32		status;
1888 	__le32		count;
1889 };
1890 
1891 struct aac_write
1892 {
1893 	__le32		command;
1894 	__le32		cid;
1895 	__le32		block;
1896 	__le32		count;
1897 	__le32		stable;	// Not used
1898 	struct sgmap	sg;	// Must be last in struct because it is variable
1899 };
1900 
1901 struct aac_write64
1902 {
1903 	__le32		command;
1904 	__le16		cid;
1905 	__le16		sector_count;
1906 	__le32		block;
1907 	__le16		pad;
1908 	__le16		flags;
1909 	struct sgmap64	sg;	// Must be last in struct because it is variable
1910 };
1911 struct aac_write_reply
1912 {
1913 	__le32		status;
1914 	__le32		count;
1915 	__le32		committed;
1916 };
1917 
1918 struct aac_raw_io
1919 {
1920 	__le32		block[2];
1921 	__le32		count;
1922 	__le16		cid;
1923 	__le16		flags;		/* 00 W, 01 R */
1924 	__le16		bpTotal;	/* reserved for F/W use */
1925 	__le16		bpComplete;	/* reserved for F/W use */
1926 	struct sgmapraw	sg;
1927 };
1928 
1929 struct aac_raw_io2 {
1930 	__le32		blockLow;
1931 	__le32		blockHigh;
1932 	__le32		byteCount;
1933 	__le16		cid;
1934 	__le16		flags;		/* RIO2 flags */
1935 	__le32		sgeFirstSize;	/* size of first sge el. */
1936 	__le32		sgeNominalSize;	/* size of 2nd sge el. (if conformant) */
1937 	u8		sgeCnt;		/* only 8 bits required */
1938 	u8		bpTotal;	/* reserved for F/W use */
1939 	u8		bpComplete;	/* reserved for F/W use */
1940 	u8		sgeFirstIndex;	/* reserved for F/W use */
1941 	u8		unused[4];
1942 	struct sge_ieee1212	sge[1];
1943 };
1944 
1945 #define CT_FLUSH_CACHE 129
1946 struct aac_synchronize {
1947 	__le32		command;	/* VM_ContainerConfig */
1948 	__le32		type;		/* CT_FLUSH_CACHE */
1949 	__le32		cid;
1950 	__le32		parm1;
1951 	__le32		parm2;
1952 	__le32		parm3;
1953 	__le32		parm4;
1954 	__le32		count;	/* sizeof(((struct aac_synchronize_reply *)NULL)->data) */
1955 };
1956 
1957 struct aac_synchronize_reply {
1958 	__le32		dummy0;
1959 	__le32		dummy1;
1960 	__le32		status;	/* CT_OK */
1961 	__le32		parm1;
1962 	__le32		parm2;
1963 	__le32		parm3;
1964 	__le32		parm4;
1965 	__le32		parm5;
1966 	u8		data[16];
1967 };
1968 
1969 #define CT_POWER_MANAGEMENT	245
1970 #define CT_PM_START_UNIT	2
1971 #define CT_PM_STOP_UNIT		3
1972 #define CT_PM_UNIT_IMMEDIATE	1
1973 struct aac_power_management {
1974 	__le32		command;	/* VM_ContainerConfig */
1975 	__le32		type;		/* CT_POWER_MANAGEMENT */
1976 	__le32		sub;		/* CT_PM_* */
1977 	__le32		cid;
1978 	__le32		parm;		/* CT_PM_sub_* */
1979 };
1980 
1981 #define CT_PAUSE_IO    65
1982 #define CT_RELEASE_IO  66
1983 struct aac_pause {
1984 	__le32		command;	/* VM_ContainerConfig */
1985 	__le32		type;		/* CT_PAUSE_IO */
1986 	__le32		timeout;	/* 10ms ticks */
1987 	__le32		min;
1988 	__le32		noRescan;
1989 	__le32		parm3;
1990 	__le32		parm4;
1991 	__le32		count;	/* sizeof(((struct aac_pause_reply *)NULL)->data) */
1992 };
1993 
1994 struct aac_srb
1995 {
1996 	__le32		function;
1997 	__le32		channel;
1998 	__le32		id;
1999 	__le32		lun;
2000 	__le32		timeout;
2001 	__le32		flags;
2002 	__le32		count;		// Data xfer size
2003 	__le32		retry_limit;
2004 	__le32		cdb_size;
2005 	u8		cdb[16];
2006 	struct	sgmap	sg;
2007 };
2008 
2009 /*
2010  * This and associated data structs are used by the
2011  * ioctl caller and are in cpu order.
2012  */
2013 struct user_aac_srb
2014 {
2015 	u32		function;
2016 	u32		channel;
2017 	u32		id;
2018 	u32		lun;
2019 	u32		timeout;
2020 	u32		flags;
2021 	u32		count;		// Data xfer size
2022 	u32		retry_limit;
2023 	u32		cdb_size;
2024 	u8		cdb[16];
2025 	struct	user_sgmap	sg;
2026 };
2027 
2028 #define		AAC_SENSE_BUFFERSIZE	 30
2029 
2030 struct aac_srb_reply
2031 {
2032 	__le32		status;
2033 	__le32		srb_status;
2034 	__le32		scsi_status;
2035 	__le32		data_xfer_length;
2036 	__le32		sense_data_size;
2037 	u8		sense_data[AAC_SENSE_BUFFERSIZE]; // Can this be SCSI_SENSE_BUFFERSIZE
2038 };
2039 
2040 struct aac_srb_unit {
2041 	struct aac_srb		srb;
2042 	struct aac_srb_reply	srb_reply;
2043 };
2044 
2045 /*
2046  * SRB Flags
2047  */
2048 #define		SRB_NoDataXfer		 0x0000
2049 #define		SRB_DisableDisconnect	 0x0004
2050 #define		SRB_DisableSynchTransfer 0x0008
2051 #define		SRB_BypassFrozenQueue	 0x0010
2052 #define		SRB_DisableAutosense	 0x0020
2053 #define		SRB_DataIn		 0x0040
2054 #define		SRB_DataOut		 0x0080
2055 
2056 /*
2057  * SRB Functions - set in aac_srb->function
2058  */
2059 #define	SRBF_ExecuteScsi	0x0000
2060 #define	SRBF_ClaimDevice	0x0001
2061 #define	SRBF_IO_Control		0x0002
2062 #define	SRBF_ReceiveEvent	0x0003
2063 #define	SRBF_ReleaseQueue	0x0004
2064 #define	SRBF_AttachDevice	0x0005
2065 #define	SRBF_ReleaseDevice	0x0006
2066 #define	SRBF_Shutdown		0x0007
2067 #define	SRBF_Flush		0x0008
2068 #define	SRBF_AbortCommand	0x0010
2069 #define	SRBF_ReleaseRecovery	0x0011
2070 #define	SRBF_ResetBus		0x0012
2071 #define	SRBF_ResetDevice	0x0013
2072 #define	SRBF_TerminateIO	0x0014
2073 #define	SRBF_FlushQueue		0x0015
2074 #define	SRBF_RemoveDevice	0x0016
2075 #define	SRBF_DomainValidation	0x0017
2076 
2077 /*
2078  * SRB SCSI Status - set in aac_srb->scsi_status
2079  */
2080 #define SRB_STATUS_PENDING                  0x00
2081 #define SRB_STATUS_SUCCESS                  0x01
2082 #define SRB_STATUS_ABORTED                  0x02
2083 #define SRB_STATUS_ABORT_FAILED             0x03
2084 #define SRB_STATUS_ERROR                    0x04
2085 #define SRB_STATUS_BUSY                     0x05
2086 #define SRB_STATUS_INVALID_REQUEST          0x06
2087 #define SRB_STATUS_INVALID_PATH_ID          0x07
2088 #define SRB_STATUS_NO_DEVICE                0x08
2089 #define SRB_STATUS_TIMEOUT                  0x09
2090 #define SRB_STATUS_SELECTION_TIMEOUT        0x0A
2091 #define SRB_STATUS_COMMAND_TIMEOUT          0x0B
2092 #define SRB_STATUS_MESSAGE_REJECTED         0x0D
2093 #define SRB_STATUS_BUS_RESET                0x0E
2094 #define SRB_STATUS_PARITY_ERROR             0x0F
2095 #define SRB_STATUS_REQUEST_SENSE_FAILED     0x10
2096 #define SRB_STATUS_NO_HBA                   0x11
2097 #define SRB_STATUS_DATA_OVERRUN             0x12
2098 #define SRB_STATUS_UNEXPECTED_BUS_FREE      0x13
2099 #define SRB_STATUS_PHASE_SEQUENCE_FAILURE   0x14
2100 #define SRB_STATUS_BAD_SRB_BLOCK_LENGTH     0x15
2101 #define SRB_STATUS_REQUEST_FLUSHED          0x16
2102 #define SRB_STATUS_DELAYED_RETRY	    0x17
2103 #define SRB_STATUS_INVALID_LUN              0x20
2104 #define SRB_STATUS_INVALID_TARGET_ID        0x21
2105 #define SRB_STATUS_BAD_FUNCTION             0x22
2106 #define SRB_STATUS_ERROR_RECOVERY           0x23
2107 #define SRB_STATUS_NOT_STARTED		    0x24
2108 #define SRB_STATUS_NOT_IN_USE		    0x30
2109 #define SRB_STATUS_FORCE_ABORT		    0x31
2110 #define SRB_STATUS_DOMAIN_VALIDATION_FAIL   0x32
2111 
2112 /*
2113  * Object-Server / Volume-Manager Dispatch Classes
2114  */
2115 
2116 #define		VM_Null			0
2117 #define		VM_NameServe		1
2118 #define		VM_ContainerConfig	2
2119 #define		VM_Ioctl		3
2120 #define		VM_FilesystemIoctl	4
2121 #define		VM_CloseAll		5
2122 #define		VM_CtBlockRead		6
2123 #define		VM_CtBlockWrite		7
2124 #define		VM_SliceBlockRead	8	/* raw access to configured "storage objects" */
2125 #define		VM_SliceBlockWrite	9
2126 #define		VM_DriveBlockRead	10	/* raw access to physical devices */
2127 #define		VM_DriveBlockWrite	11
2128 #define		VM_EnclosureMgt		12	/* enclosure management */
2129 #define		VM_Unused		13	/* used to be diskset management */
2130 #define		VM_CtBlockVerify	14
2131 #define		VM_CtPerf		15	/* performance test */
2132 #define		VM_CtBlockRead64	16
2133 #define		VM_CtBlockWrite64	17
2134 #define		VM_CtBlockVerify64	18
2135 #define		VM_CtHostRead64		19
2136 #define		VM_CtHostWrite64	20
2137 #define		VM_DrvErrTblLog		21
2138 #define		VM_NameServe64		22
2139 #define		VM_NameServeAllBlk	30
2140 
2141 #define		MAX_VMCOMMAND_NUM	23	/* used for sizing stats array - leave last */
2142 
2143 /*
2144  *	Descriptive information (eg, vital stats)
2145  *	that a content manager might report.  The
2146  *	FileArray filesystem component is one example
2147  *	of a content manager.  Raw mode might be
2148  *	another.
2149  */
2150 
2151 struct aac_fsinfo {
2152 	__le32  fsTotalSize;	/* Consumed by fs, incl. metadata */
2153 	__le32  fsBlockSize;
2154 	__le32  fsFragSize;
2155 	__le32  fsMaxExtendSize;
2156 	__le32  fsSpaceUnits;
2157 	__le32  fsMaxNumFiles;
2158 	__le32  fsNumFreeFiles;
2159 	__le32  fsInodeDensity;
2160 };	/* valid iff ObjType == FT_FILESYS && !(ContentState & FSCS_NOTCLEAN) */
2161 
2162 struct  aac_blockdevinfo {
2163 	__le32	block_size;
2164 	__le32  logical_phys_map;
2165 	u8	identifier[16];
2166 };
2167 
2168 union aac_contentinfo {
2169 	struct	aac_fsinfo		filesys;
2170 	struct	aac_blockdevinfo	bdevinfo;
2171 };
2172 
2173 /*
2174  *	Query for Container Configuration Status
2175  */
2176 
2177 #define CT_GET_CONFIG_STATUS 147
2178 struct aac_get_config_status {
2179 	__le32		command;	/* VM_ContainerConfig */
2180 	__le32		type;		/* CT_GET_CONFIG_STATUS */
2181 	__le32		parm1;
2182 	__le32		parm2;
2183 	__le32		parm3;
2184 	__le32		parm4;
2185 	__le32		parm5;
2186 	__le32		count;	/* sizeof(((struct aac_get_config_status_resp *)NULL)->data) */
2187 };
2188 
2189 #define CFACT_CONTINUE 0
2190 #define CFACT_PAUSE    1
2191 #define CFACT_ABORT    2
2192 struct aac_get_config_status_resp {
2193 	__le32		response; /* ST_OK */
2194 	__le32		dummy0;
2195 	__le32		status;	/* CT_OK */
2196 	__le32		parm1;
2197 	__le32		parm2;
2198 	__le32		parm3;
2199 	__le32		parm4;
2200 	__le32		parm5;
2201 	struct {
2202 		__le32	action; /* CFACT_CONTINUE, CFACT_PAUSE or CFACT_ABORT */
2203 		__le16	flags;
2204 		__le16	count;
2205 	}		data;
2206 };
2207 
2208 /*
2209  *	Accept the configuration as-is
2210  */
2211 
2212 #define CT_COMMIT_CONFIG 152
2213 
2214 struct aac_commit_config {
2215 	__le32		command;	/* VM_ContainerConfig */
2216 	__le32		type;		/* CT_COMMIT_CONFIG */
2217 };
2218 
2219 /*
2220  *	Query for Container Configuration Status
2221  */
2222 
2223 #define CT_GET_CONTAINER_COUNT 4
2224 struct aac_get_container_count {
2225 	__le32		command;	/* VM_ContainerConfig */
2226 	__le32		type;		/* CT_GET_CONTAINER_COUNT */
2227 };
2228 
2229 struct aac_get_container_count_resp {
2230 	__le32		response; /* ST_OK */
2231 	__le32		dummy0;
2232 	__le32		MaxContainers;
2233 	__le32		ContainerSwitchEntries;
2234 	__le32		MaxPartitions;
2235 	__le32		MaxSimpleVolumes;
2236 };
2237 
2238 
2239 /*
2240  *	Query for "mountable" objects, ie, objects that are typically
2241  *	associated with a drive letter on the client (host) side.
2242  */
2243 
2244 struct aac_mntent {
2245 	__le32			oid;
2246 	u8			name[16];	/* if applicable */
2247 	struct creation_info	create_info;	/* if applicable */
2248 	__le32			capacity;
2249 	__le32			vol;		/* substrate structure */
2250 	__le32			obj;		/* FT_FILESYS, etc. */
2251 	__le32			state;		/* unready for mounting,
2252 						   readonly, etc. */
2253 	union aac_contentinfo	fileinfo;	/* Info specific to content
2254 						   manager (eg, filesystem) */
2255 	__le32			altoid;		/* != oid <==> snapshot or
2256 						   broken mirror exists */
2257 	__le32			capacityhigh;
2258 };
2259 
2260 #define FSCS_NOTCLEAN	0x0001  /* fsck is necessary before mounting */
2261 #define FSCS_READONLY	0x0002	/* possible result of broken mirror */
2262 #define FSCS_HIDDEN	0x0004	/* should be ignored - set during a clear */
2263 #define FSCS_NOT_READY	0x0008	/* Array spinning up to fulfil request */
2264 
2265 struct aac_query_mount {
2266 	__le32		command;
2267 	__le32		type;
2268 	__le32		count;
2269 };
2270 
2271 struct aac_mount {
2272 	__le32		status;
2273 	__le32		type;           /* should be same as that requested */
2274 	__le32		count;
2275 	struct aac_mntent mnt[1];
2276 };
2277 
2278 #define CT_READ_NAME 130
2279 struct aac_get_name {
2280 	__le32		command;	/* VM_ContainerConfig */
2281 	__le32		type;		/* CT_READ_NAME */
2282 	__le32		cid;
2283 	__le32		parm1;
2284 	__le32		parm2;
2285 	__le32		parm3;
2286 	__le32		parm4;
2287 	__le32		count;	/* sizeof(((struct aac_get_name_resp *)NULL)->data) */
2288 };
2289 
2290 struct aac_get_name_resp {
2291 	__le32		dummy0;
2292 	__le32		dummy1;
2293 	__le32		status;	/* CT_OK */
2294 	__le32		parm1;
2295 	__le32		parm2;
2296 	__le32		parm3;
2297 	__le32		parm4;
2298 	__le32		parm5;
2299 	u8		data[17];
2300 };
2301 
2302 #define CT_CID_TO_32BITS_UID 165
2303 struct aac_get_serial {
2304 	__le32		command;	/* VM_ContainerConfig */
2305 	__le32		type;		/* CT_CID_TO_32BITS_UID */
2306 	__le32		cid;
2307 };
2308 
2309 struct aac_get_serial_resp {
2310 	__le32		dummy0;
2311 	__le32		dummy1;
2312 	__le32		status;	/* CT_OK */
2313 	__le32		uid;
2314 };
2315 
2316 /*
2317  * The following command is sent to shut down each container.
2318  */
2319 
2320 struct aac_close {
2321 	__le32	command;
2322 	__le32	cid;
2323 };
2324 
2325 struct aac_query_disk
2326 {
2327 	s32	cnum;
2328 	s32	bus;
2329 	s32	id;
2330 	s32	lun;
2331 	u32	valid;
2332 	u32	locked;
2333 	u32	deleted;
2334 	s32	instance;
2335 	s8	name[10];
2336 	u32	unmapped;
2337 };
2338 
2339 struct aac_delete_disk {
2340 	u32	disknum;
2341 	u32	cnum;
2342 };
2343 
2344 struct fib_ioctl
2345 {
2346 	u32	fibctx;
2347 	s32	wait;
2348 	char	__user *fib;
2349 };
2350 
2351 struct revision
2352 {
2353 	u32 compat;
2354 	__le32 version;
2355 	__le32 build;
2356 };
2357 
2358 
2359 /*
2360  *	Ugly - non Linux like ioctl coding for back compat.
2361  */
2362 
2363 #define CTL_CODE(function, method) (                 \
2364     (4<< 16) | ((function) << 2) | (method) \
2365 )
2366 
2367 /*
2368  *	Define the method codes for how buffers are passed for I/O and FS
2369  *	controls
2370  */
2371 
2372 #define METHOD_BUFFERED                 0
2373 #define METHOD_NEITHER                  3
2374 
2375 /*
2376  *	Filesystem ioctls
2377  */
2378 
2379 #define FSACTL_SENDFIB				CTL_CODE(2050, METHOD_BUFFERED)
2380 #define FSACTL_SEND_RAW_SRB			CTL_CODE(2067, METHOD_BUFFERED)
2381 #define FSACTL_DELETE_DISK			0x163
2382 #define FSACTL_QUERY_DISK			0x173
2383 #define FSACTL_OPEN_GET_ADAPTER_FIB		CTL_CODE(2100, METHOD_BUFFERED)
2384 #define FSACTL_GET_NEXT_ADAPTER_FIB		CTL_CODE(2101, METHOD_BUFFERED)
2385 #define FSACTL_CLOSE_GET_ADAPTER_FIB		CTL_CODE(2102, METHOD_BUFFERED)
2386 #define FSACTL_MINIPORT_REV_CHECK               CTL_CODE(2107, METHOD_BUFFERED)
2387 #define FSACTL_GET_PCI_INFO			CTL_CODE(2119, METHOD_BUFFERED)
2388 #define FSACTL_FORCE_DELETE_DISK		CTL_CODE(2120, METHOD_NEITHER)
2389 #define FSACTL_GET_CONTAINERS			2131
2390 #define FSACTL_SEND_LARGE_FIB			CTL_CODE(2138, METHOD_BUFFERED)
2391 #define FSACTL_RESET_IOP			CTL_CODE(2140, METHOD_BUFFERED)
2392 #define FSACTL_GET_HBA_INFO			CTL_CODE(2150, METHOD_BUFFERED)
2393 /* flags defined for IOP & HW SOFT RESET */
2394 #define HW_IOP_RESET				0x01
2395 #define HW_SOFT_RESET				0x02
2396 #define IOP_HWSOFT_RESET			(HW_IOP_RESET | HW_SOFT_RESET)
2397 /* HW Soft Reset register offset */
2398 #define IBW_SWR_OFFSET				0x4000
2399 #define SOFT_RESET_TIME			60
2400 
2401 
2402 
2403 struct aac_common
2404 {
2405 	/*
2406 	 *	If this value is set to 1 then interrupt moderation will occur
2407 	 *	in the base commuication support.
2408 	 */
2409 	u32 irq_mod;
2410 	u32 peak_fibs;
2411 	u32 zero_fibs;
2412 	u32 fib_timeouts;
2413 	/*
2414 	 *	Statistical counters in debug mode
2415 	 */
2416 #ifdef DBG
2417 	u32 FibsSent;
2418 	u32 FibRecved;
2419 	u32 NativeSent;
2420 	u32 NativeRecved;
2421 	u32 NoResponseSent;
2422 	u32 NoResponseRecved;
2423 	u32 AsyncSent;
2424 	u32 AsyncRecved;
2425 	u32 NormalSent;
2426 	u32 NormalRecved;
2427 #endif
2428 };
2429 
2430 extern struct aac_common aac_config;
2431 
2432 /*
2433  * This is for management ioctl purpose only.
2434  */
2435 struct aac_hba_info {
2436 
2437 	u8	driver_name[50];
2438 	u8	adapter_number;
2439 	u8	system_io_bus_number;
2440 	u8	device_number;
2441 	u32	function_number;
2442 	u32	vendor_id;
2443 	u32	device_id;
2444 	u32	sub_vendor_id;
2445 	u32	sub_system_id;
2446 	u32	mapped_base_address_size;
2447 	u32	base_physical_address_high_part;
2448 	u32	base_physical_address_low_part;
2449 
2450 	u32	max_command_size;
2451 	u32	max_fib_size;
2452 	u32	max_scatter_gather_from_os;
2453 	u32	max_scatter_gather_to_fw;
2454 	u32	max_outstanding_fibs;
2455 
2456 	u32	queue_start_threshold;
2457 	u32	queue_dump_threshold;
2458 	u32	max_io_size_queued;
2459 	u32	outstanding_io;
2460 
2461 	u32	firmware_build_number;
2462 	u32	bios_build_number;
2463 	u32	driver_build_number;
2464 	u32	serial_number_high_part;
2465 	u32	serial_number_low_part;
2466 	u32	supported_options;
2467 	u32	feature_bits;
2468 	u32	currentnumber_ports;
2469 
2470 	u8	new_comm_interface:1;
2471 	u8	new_commands_supported:1;
2472 	u8	disable_passthrough:1;
2473 	u8	expose_non_dasd:1;
2474 	u8	queue_allowed:1;
2475 	u8	bled_check_enabled:1;
2476 	u8	reserved1:1;
2477 	u8	reserted2:1;
2478 
2479 	u32	reserved3[10];
2480 
2481 };
2482 
2483 /*
2484  *	The following macro is used when sending and receiving FIBs. It is
2485  *	only used for debugging.
2486  */
2487 
2488 #ifdef DBG
2489 #define	FIB_COUNTER_INCREMENT(counter)		(counter)++
2490 #else
2491 #define	FIB_COUNTER_INCREMENT(counter)
2492 #endif
2493 
2494 /*
2495  *	Adapter direct commands
2496  *	Monitor/Kernel API
2497  */
2498 
2499 #define	BREAKPOINT_REQUEST		0x00000004
2500 #define	INIT_STRUCT_BASE_ADDRESS	0x00000005
2501 #define READ_PERMANENT_PARAMETERS	0x0000000a
2502 #define WRITE_PERMANENT_PARAMETERS	0x0000000b
2503 #define HOST_CRASHING			0x0000000d
2504 #define	SEND_SYNCHRONOUS_FIB		0x0000000c
2505 #define COMMAND_POST_RESULTS		0x00000014
2506 #define GET_ADAPTER_PROPERTIES		0x00000019
2507 #define GET_DRIVER_BUFFER_PROPERTIES	0x00000023
2508 #define RCV_TEMP_READINGS		0x00000025
2509 #define GET_COMM_PREFERRED_SETTINGS	0x00000026
2510 #define IOP_RESET_FW_FIB_DUMP		0x00000034
2511 #define DROP_IO			0x00000035
2512 #define IOP_RESET			0x00001000
2513 #define IOP_RESET_ALWAYS		0x00001001
2514 #define RE_INIT_ADAPTER		0x000000ee
2515 
2516 #define IOP_SRC_RESET_MASK		0x00000100
2517 
2518 /*
2519  *	Adapter Status Register
2520  *
2521  *  Phase Staus mailbox is 32bits:
2522  *	<31:16> = Phase Status
2523  *	<15:0>  = Phase
2524  *
2525  *	The adapter reports is present state through the phase.  Only
2526  *	a single phase should be ever be set.  Each phase can have multiple
2527  *	phase status bits to provide more detailed information about the
2528  *	state of the board.  Care should be taken to ensure that any phase
2529  *	status bits that are set when changing the phase are also valid
2530  *	for the new phase or be cleared out.  Adapter software (monitor,
2531  *	iflash, kernel) is responsible for properly maintining the phase
2532  *	status mailbox when it is running.
2533  *
2534  *	MONKER_API Phases
2535  *
2536  *	Phases are bit oriented.  It is NOT valid  to have multiple bits set
2537  */
2538 
2539 #define	SELF_TEST_FAILED		0x00000004
2540 #define	MONITOR_PANIC			0x00000020
2541 #define	KERNEL_BOOTING			0x00000040
2542 #define	KERNEL_UP_AND_RUNNING		0x00000080
2543 #define	KERNEL_PANIC			0x00000100
2544 #define	FLASH_UPD_PENDING		0x00002000
2545 #define	FLASH_UPD_SUCCESS		0x00004000
2546 #define	FLASH_UPD_FAILED		0x00008000
2547 #define	INVALID_OMR			0xffffffff
2548 #define	FWUPD_TIMEOUT			(5 * 60)
2549 
2550 /*
2551  *	Doorbell bit defines
2552  */
2553 
2554 #define DoorBellSyncCmdAvailable	(1<<0)	/* Host -> Adapter */
2555 #define DoorBellPrintfDone		(1<<5)	/* Host -> Adapter */
2556 #define DoorBellAdapterNormCmdReady	(1<<1)	/* Adapter -> Host */
2557 #define DoorBellAdapterNormRespReady	(1<<2)	/* Adapter -> Host */
2558 #define DoorBellAdapterNormCmdNotFull	(1<<3)	/* Adapter -> Host */
2559 #define DoorBellAdapterNormRespNotFull	(1<<4)	/* Adapter -> Host */
2560 #define DoorBellPrintfReady		(1<<5)	/* Adapter -> Host */
2561 #define DoorBellAifPending		(1<<6)	/* Adapter -> Host */
2562 
2563 /* PMC specific outbound doorbell bits */
2564 #define PmDoorBellResponseSent		(1<<1)	/* Adapter -> Host */
2565 
2566 /*
2567  *	For FIB communication, we need all of the following things
2568  *	to send back to the user.
2569  */
2570 
2571 #define		AifCmdEventNotify	1	/* Notify of event */
2572 #define			AifEnConfigChange	3	/* Adapter configuration change */
2573 #define			AifEnContainerChange	4	/* Container configuration change */
2574 #define			AifEnDeviceFailure	5	/* SCSI device failed */
2575 #define			AifEnEnclosureManagement 13	/* EM_DRIVE_* */
2576 #define				EM_DRIVE_INSERTION	31
2577 #define				EM_DRIVE_REMOVAL	32
2578 #define			EM_SES_DRIVE_INSERTION	33
2579 #define			EM_SES_DRIVE_REMOVAL	26
2580 #define			AifEnBatteryEvent	14	/* Change in Battery State */
2581 #define			AifEnAddContainer	15	/* A new array was created */
2582 #define			AifEnDeleteContainer	16	/* A container was deleted */
2583 #define			AifEnExpEvent		23	/* Firmware Event Log */
2584 #define			AifExeFirmwarePanic	3	/* Firmware Event Panic */
2585 #define			AifHighPriority		3	/* Highest Priority Event */
2586 #define			AifEnAddJBOD		30	/* JBOD created */
2587 #define			AifEnDeleteJBOD		31	/* JBOD deleted */
2588 
2589 #define			AifBuManagerEvent		42 /* Bu management*/
2590 #define			AifBuCacheDataLoss		10
2591 #define			AifBuCacheDataRecover	11
2592 
2593 #define		AifCmdJobProgress	2	/* Progress report */
2594 #define			AifJobCtrZero	101	/* Array Zero progress */
2595 #define			AifJobStsSuccess 1	/* Job completes */
2596 #define			AifJobStsRunning 102	/* Job running */
2597 #define		AifCmdAPIReport		3	/* Report from other user of API */
2598 #define		AifCmdDriverNotify	4	/* Notify host driver of event */
2599 #define			AifDenMorphComplete 200	/* A morph operation completed */
2600 #define			AifDenVolumeExtendComplete 201 /* A volume extend completed */
2601 #define		AifReqJobList		100	/* Gets back complete job list */
2602 #define		AifReqJobsForCtr	101	/* Gets back jobs for specific container */
2603 #define		AifReqJobsForScsi	102	/* Gets back jobs for specific SCSI device */
2604 #define		AifReqJobReport		103	/* Gets back a specific job report or list of them */
2605 #define		AifReqTerminateJob	104	/* Terminates job */
2606 #define		AifReqSuspendJob	105	/* Suspends a job */
2607 #define		AifReqResumeJob		106	/* Resumes a job */
2608 #define		AifReqSendAPIReport	107	/* API generic report requests */
2609 #define		AifReqAPIJobStart	108	/* Start a job from the API */
2610 #define		AifReqAPIJobUpdate	109	/* Update a job report from the API */
2611 #define		AifReqAPIJobFinish	110	/* Finish a job from the API */
2612 
2613 /* PMC NEW COMM: Request the event data */
2614 #define		AifReqEvent		200
2615 #define		AifRawDeviceRemove	203	/* RAW device deleted */
2616 #define		AifNativeDeviceAdd	204	/* native HBA device added */
2617 #define		AifNativeDeviceRemove	205	/* native HBA device removed */
2618 
2619 
2620 /*
2621  *	Adapter Initiated FIB command structures. Start with the adapter
2622  *	initiated FIBs that really come from the adapter, and get responded
2623  *	to by the host.
2624  */
2625 
2626 struct aac_aifcmd {
2627 	__le32 command;		/* Tell host what type of notify this is */
2628 	__le32 seqnum;		/* To allow ordering of reports (if necessary) */
2629 	u8 data[1];		/* Undefined length (from kernel viewpoint) */
2630 };
2631 
2632 /**
2633  *	Convert capacity to cylinders
2634  *	accounting for the fact capacity could be a 64 bit value
2635  *
2636  */
2637 static inline unsigned int cap_to_cyls(sector_t capacity, unsigned divisor)
2638 {
2639 	sector_div(capacity, divisor);
2640 	return capacity;
2641 }
2642 
2643 static inline int aac_pci_offline(struct aac_dev *dev)
2644 {
2645 	return pci_channel_offline(dev->pdev) || dev->handle_pci_error;
2646 }
2647 
2648 static inline int aac_adapter_check_health(struct aac_dev *dev)
2649 {
2650 	if (unlikely(aac_pci_offline(dev)))
2651 		return -1;
2652 
2653 	return (dev)->a_ops.adapter_check_health(dev);
2654 }
2655 
2656 
2657 int aac_scan_host(struct aac_dev *dev);
2658 
2659 static inline void aac_schedule_safw_scan_worker(struct aac_dev *dev)
2660 {
2661 	schedule_delayed_work(&dev->safw_rescan_work, AAC_SAFW_RESCAN_DELAY);
2662 }
2663 
2664 static inline void aac_safw_rescan_worker(struct work_struct *work)
2665 {
2666 	struct aac_dev *dev = container_of(to_delayed_work(work),
2667 		struct aac_dev, safw_rescan_work);
2668 
2669 	wait_event(dev->scsi_host_ptr->host_wait,
2670 		!scsi_host_in_recovery(dev->scsi_host_ptr));
2671 
2672 	aac_scan_host(dev);
2673 }
2674 
2675 static inline void aac_cancel_safw_rescan_worker(struct aac_dev *dev)
2676 {
2677 	if (dev->sa_firmware)
2678 		cancel_delayed_work_sync(&dev->safw_rescan_work);
2679 }
2680 
2681 /* SCp.phase values */
2682 #define AAC_OWNER_MIDLEVEL	0x101
2683 #define AAC_OWNER_LOWLEVEL	0x102
2684 #define AAC_OWNER_ERROR_HANDLER	0x103
2685 #define AAC_OWNER_FIRMWARE	0x106
2686 
2687 void aac_safw_rescan_worker(struct work_struct *work);
2688 int aac_acquire_irq(struct aac_dev *dev);
2689 void aac_free_irq(struct aac_dev *dev);
2690 int aac_setup_safw_adapter(struct aac_dev *dev);
2691 const char *aac_driverinfo(struct Scsi_Host *);
2692 void aac_fib_vector_assign(struct aac_dev *dev);
2693 struct fib *aac_fib_alloc(struct aac_dev *dev);
2694 struct fib *aac_fib_alloc_tag(struct aac_dev *dev, struct scsi_cmnd *scmd);
2695 int aac_fib_setup(struct aac_dev *dev);
2696 void aac_fib_map_free(struct aac_dev *dev);
2697 void aac_fib_free(struct fib * context);
2698 void aac_fib_init(struct fib * context);
2699 void aac_printf(struct aac_dev *dev, u32 val);
2700 int aac_fib_send(u16 command, struct fib * context, unsigned long size, int priority, int wait, int reply, fib_callback callback, void *ctxt);
2701 int aac_hba_send(u8 command, struct fib *context,
2702 		fib_callback callback, void *ctxt);
2703 int aac_consumer_get(struct aac_dev * dev, struct aac_queue * q, struct aac_entry **entry);
2704 void aac_consumer_free(struct aac_dev * dev, struct aac_queue * q, u32 qnum);
2705 int aac_fib_complete(struct fib * context);
2706 void aac_hba_callback(void *context, struct fib *fibptr);
2707 #define fib_data(fibctx) ((void *)(fibctx)->hw_fib_va->data)
2708 struct aac_dev *aac_init_adapter(struct aac_dev *dev);
2709 void aac_src_access_devreg(struct aac_dev *dev, int mode);
2710 void aac_set_intx_mode(struct aac_dev *dev);
2711 int aac_get_config_status(struct aac_dev *dev, int commit_flag);
2712 int aac_get_containers(struct aac_dev *dev);
2713 int aac_scsi_cmd(struct scsi_cmnd *cmd);
2714 int aac_dev_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg);
2715 #ifndef shost_to_class
2716 #define shost_to_class(shost) &shost->shost_dev
2717 #endif
2718 ssize_t aac_get_serial_number(struct device *dev, char *buf);
2719 int aac_do_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg);
2720 int aac_rx_init(struct aac_dev *dev);
2721 int aac_rkt_init(struct aac_dev *dev);
2722 int aac_nark_init(struct aac_dev *dev);
2723 int aac_sa_init(struct aac_dev *dev);
2724 int aac_src_init(struct aac_dev *dev);
2725 int aac_srcv_init(struct aac_dev *dev);
2726 int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw_fib, int wait, struct fib * fibptr, unsigned long *nonotify);
2727 void aac_define_int_mode(struct aac_dev *dev);
2728 unsigned int aac_response_normal(struct aac_queue * q);
2729 unsigned int aac_command_normal(struct aac_queue * q);
2730 unsigned int aac_intr_normal(struct aac_dev *dev, u32 Index,
2731 			int isAif, int isFastResponse,
2732 			struct hw_fib *aif_fib);
2733 int aac_reset_adapter(struct aac_dev *dev, int forced, u8 reset_type);
2734 int aac_check_health(struct aac_dev * dev);
2735 int aac_command_thread(void *data);
2736 int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context *fibctx);
2737 int aac_fib_adapter_complete(struct fib * fibptr, unsigned short size);
2738 struct aac_driver_ident* aac_get_driver_ident(int devtype);
2739 int aac_get_adapter_info(struct aac_dev* dev);
2740 int aac_send_shutdown(struct aac_dev *dev);
2741 int aac_probe_container(struct aac_dev *dev, int cid);
2742 int _aac_rx_init(struct aac_dev *dev);
2743 int aac_rx_select_comm(struct aac_dev *dev, int comm);
2744 int aac_rx_deliver_producer(struct fib * fib);
2745 
2746 static inline int aac_is_src(struct aac_dev *dev)
2747 {
2748 	u16 device = dev->pdev->device;
2749 
2750 	if (device == PMC_DEVICE_S6 ||
2751 		device == PMC_DEVICE_S7 ||
2752 		device == PMC_DEVICE_S8)
2753 		return 1;
2754 	return 0;
2755 }
2756 
2757 static inline int aac_supports_2T(struct aac_dev *dev)
2758 {
2759 	return (dev->adapter_info.options & AAC_OPT_NEW_COMM_64);
2760 }
2761 
2762 char * get_container_type(unsigned type);
2763 extern int numacb;
2764 extern char aac_driver_version[];
2765 extern int startup_timeout;
2766 extern int aif_timeout;
2767 extern int expose_physicals;
2768 extern int aac_reset_devices;
2769 extern int aac_msi;
2770 extern int aac_commit;
2771 extern int update_interval;
2772 extern int check_interval;
2773 extern int aac_check_reset;
2774 extern int aac_fib_dump;
2775 #endif
2776