xref: /openbmc/linux/drivers/scsi/hpsa.h (revision e0bf6c5c)
1 /*
2  *    Disk Array driver for HP Smart Array SAS controllers
3  *    Copyright 2000, 2014 Hewlett-Packard Development Company, L.P.
4  *
5  *    This program is free software; you can redistribute it and/or modify
6  *    it under the terms of the GNU General Public License as published by
7  *    the Free Software Foundation; version 2 of the License.
8  *
9  *    This program is distributed in the hope that it will be useful,
10  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
12  *    NON INFRINGEMENT.  See the GNU General Public License for more details.
13  *
14  *    You should have received a copy of the GNU General Public License
15  *    along with this program; if not, write to the Free Software
16  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17  *
18  *    Questions/Comments/Bugfixes to iss_storagedev@hp.com
19  *
20  */
21 #ifndef HPSA_H
22 #define HPSA_H
23 
24 #include <scsi/scsicam.h>
25 
26 #define IO_OK		0
27 #define IO_ERROR	1
28 
29 struct ctlr_info;
30 
31 struct access_method {
32 	void (*submit_command)(struct ctlr_info *h,
33 		struct CommandList *c);
34 	void (*set_intr_mask)(struct ctlr_info *h, unsigned long val);
35 	bool (*intr_pending)(struct ctlr_info *h);
36 	unsigned long (*command_completed)(struct ctlr_info *h, u8 q);
37 };
38 
39 struct hpsa_scsi_dev_t {
40 	int devtype;
41 	int bus, target, lun;		/* as presented to the OS */
42 	unsigned char scsi3addr[8];	/* as presented to the HW */
43 #define RAID_CTLR_LUNID "\0\0\0\0\0\0\0\0"
44 	unsigned char device_id[16];    /* from inquiry pg. 0x83 */
45 	unsigned char vendor[8];        /* bytes 8-15 of inquiry data */
46 	unsigned char model[16];        /* bytes 16-31 of inquiry data */
47 	unsigned char raid_level;	/* from inquiry page 0xC1 */
48 	unsigned char volume_offline;	/* discovered via TUR or VPD */
49 	u16 queue_depth;		/* max queue_depth for this device */
50 	atomic_t ioaccel_cmds_out;	/* Only used for physical devices
51 					 * counts commands sent to physical
52 					 * device via "ioaccel" path.
53 					 */
54 	u32 ioaccel_handle;
55 	int offload_config;		/* I/O accel RAID offload configured */
56 	int offload_enabled;		/* I/O accel RAID offload enabled */
57 	int offload_to_mirror;		/* Send next I/O accelerator RAID
58 					 * offload request to mirror drive
59 					 */
60 	struct raid_map_data raid_map;	/* I/O accelerator RAID map */
61 
62 	/*
63 	 * Pointers from logical drive map indices to the phys drives that
64 	 * make those logical drives.  Note, multiple logical drives may
65 	 * share physical drives.  You can have for instance 5 physical
66 	 * drives with 3 logical drives each using those same 5 physical
67 	 * disks. We need these pointers for counting i/o's out to physical
68 	 * devices in order to honor physical device queue depth limits.
69 	 */
70 	struct hpsa_scsi_dev_t *phys_disk[RAID_MAP_MAX_ENTRIES];
71 };
72 
73 struct reply_queue_buffer {
74 	u64 *head;
75 	size_t size;
76 	u8 wraparound;
77 	u32 current_entry;
78 	dma_addr_t busaddr;
79 };
80 
81 #pragma pack(1)
82 struct bmic_controller_parameters {
83 	u8   led_flags;
84 	u8   enable_command_list_verification;
85 	u8   backed_out_write_drives;
86 	u16  stripes_for_parity;
87 	u8   parity_distribution_mode_flags;
88 	u16  max_driver_requests;
89 	u16  elevator_trend_count;
90 	u8   disable_elevator;
91 	u8   force_scan_complete;
92 	u8   scsi_transfer_mode;
93 	u8   force_narrow;
94 	u8   rebuild_priority;
95 	u8   expand_priority;
96 	u8   host_sdb_asic_fix;
97 	u8   pdpi_burst_from_host_disabled;
98 	char software_name[64];
99 	char hardware_name[32];
100 	u8   bridge_revision;
101 	u8   snapshot_priority;
102 	u32  os_specific;
103 	u8   post_prompt_timeout;
104 	u8   automatic_drive_slamming;
105 	u8   reserved1;
106 	u8   nvram_flags;
107 #define HBA_MODE_ENABLED_FLAG (1 << 3)
108 	u8   cache_nvram_flags;
109 	u8   drive_config_flags;
110 	u16  reserved2;
111 	u8   temp_warning_level;
112 	u8   temp_shutdown_level;
113 	u8   temp_condition_reset;
114 	u8   max_coalesce_commands;
115 	u32  max_coalesce_delay;
116 	u8   orca_password[4];
117 	u8   access_id[16];
118 	u8   reserved[356];
119 };
120 #pragma pack()
121 
122 struct ctlr_info {
123 	int	ctlr;
124 	char	devname[8];
125 	char    *product_name;
126 	struct pci_dev *pdev;
127 	u32	board_id;
128 	void __iomem *vaddr;
129 	unsigned long paddr;
130 	int 	nr_cmds; /* Number of commands allowed on this controller */
131 #define HPSA_CMDS_RESERVED_FOR_ABORTS 2
132 #define HPSA_CMDS_RESERVED_FOR_DRIVER 1
133 	struct CfgTable __iomem *cfgtable;
134 	int	interrupts_enabled;
135 	int 	max_commands;
136 	int last_allocation;
137 	atomic_t commands_outstanding;
138 #	define PERF_MODE_INT	0
139 #	define DOORBELL_INT	1
140 #	define SIMPLE_MODE_INT	2
141 #	define MEMQ_MODE_INT	3
142 	unsigned int intr[MAX_REPLY_QUEUES];
143 	unsigned int msix_vector;
144 	unsigned int msi_vector;
145 	int intr_mode; /* either PERF_MODE_INT or SIMPLE_MODE_INT */
146 	struct access_method access;
147 	char hba_mode_enabled;
148 
149 	/* queue and queue Info */
150 	unsigned int Qdepth;
151 	unsigned int maxSG;
152 	spinlock_t lock;
153 	int maxsgentries;
154 	u8 max_cmd_sg_entries;
155 	int chainsize;
156 	struct SGDescriptor **cmd_sg_list;
157 
158 	/* pointers to command and error info pool */
159 	struct CommandList 	*cmd_pool;
160 	dma_addr_t		cmd_pool_dhandle;
161 	struct io_accel1_cmd	*ioaccel_cmd_pool;
162 	dma_addr_t		ioaccel_cmd_pool_dhandle;
163 	struct io_accel2_cmd	*ioaccel2_cmd_pool;
164 	dma_addr_t		ioaccel2_cmd_pool_dhandle;
165 	struct ErrorInfo 	*errinfo_pool;
166 	dma_addr_t		errinfo_pool_dhandle;
167 	unsigned long  		*cmd_pool_bits;
168 	int			scan_finished;
169 	spinlock_t		scan_lock;
170 	wait_queue_head_t	scan_wait_queue;
171 
172 	struct Scsi_Host *scsi_host;
173 	spinlock_t devlock; /* to protect hba[ctlr]->dev[];  */
174 	int ndevices; /* number of used elements in .dev[] array. */
175 	struct hpsa_scsi_dev_t *dev[HPSA_MAX_DEVICES];
176 	/*
177 	 * Performant mode tables.
178 	 */
179 	u32 trans_support;
180 	u32 trans_offset;
181 	struct TransTable_struct __iomem *transtable;
182 	unsigned long transMethod;
183 
184 	/* cap concurrent passthrus at some reasonable maximum */
185 #define HPSA_MAX_CONCURRENT_PASSTHRUS (10)
186 	atomic_t passthru_cmds_avail;
187 
188 	/*
189 	 * Performant mode completion buffers
190 	 */
191 	size_t reply_queue_size;
192 	struct reply_queue_buffer reply_queue[MAX_REPLY_QUEUES];
193 	u8 nreply_queues;
194 	u32 *blockFetchTable;
195 	u32 *ioaccel1_blockFetchTable;
196 	u32 *ioaccel2_blockFetchTable;
197 	u32 __iomem *ioaccel2_bft2_regs;
198 	unsigned char *hba_inquiry_data;
199 	u32 driver_support;
200 	u32 fw_support;
201 	int ioaccel_support;
202 	int ioaccel_maxsg;
203 	u64 last_intr_timestamp;
204 	u32 last_heartbeat;
205 	u64 last_heartbeat_timestamp;
206 	u32 heartbeat_sample_interval;
207 	atomic_t firmware_flash_in_progress;
208 	u32 __percpu *lockup_detected;
209 	struct delayed_work monitor_ctlr_work;
210 	struct delayed_work rescan_ctlr_work;
211 	int remove_in_progress;
212 	/* Address of h->q[x] is passed to intr handler to know which queue */
213 	u8 q[MAX_REPLY_QUEUES];
214 	u32 TMFSupportFlags; /* cache what task mgmt funcs are supported. */
215 #define HPSATMF_BITS_SUPPORTED  (1 << 0)
216 #define HPSATMF_PHYS_LUN_RESET  (1 << 1)
217 #define HPSATMF_PHYS_NEX_RESET  (1 << 2)
218 #define HPSATMF_PHYS_TASK_ABORT (1 << 3)
219 #define HPSATMF_PHYS_TSET_ABORT (1 << 4)
220 #define HPSATMF_PHYS_CLEAR_ACA  (1 << 5)
221 #define HPSATMF_PHYS_CLEAR_TSET (1 << 6)
222 #define HPSATMF_PHYS_QRY_TASK   (1 << 7)
223 #define HPSATMF_PHYS_QRY_TSET   (1 << 8)
224 #define HPSATMF_PHYS_QRY_ASYNC  (1 << 9)
225 #define HPSATMF_MASK_SUPPORTED  (1 << 16)
226 #define HPSATMF_LOG_LUN_RESET   (1 << 17)
227 #define HPSATMF_LOG_NEX_RESET   (1 << 18)
228 #define HPSATMF_LOG_TASK_ABORT  (1 << 19)
229 #define HPSATMF_LOG_TSET_ABORT  (1 << 20)
230 #define HPSATMF_LOG_CLEAR_ACA   (1 << 21)
231 #define HPSATMF_LOG_CLEAR_TSET  (1 << 22)
232 #define HPSATMF_LOG_QRY_TASK    (1 << 23)
233 #define HPSATMF_LOG_QRY_TSET    (1 << 24)
234 #define HPSATMF_LOG_QRY_ASYNC   (1 << 25)
235 	u32 events;
236 #define CTLR_STATE_CHANGE_EVENT				(1 << 0)
237 #define CTLR_ENCLOSURE_HOT_PLUG_EVENT			(1 << 1)
238 #define CTLR_STATE_CHANGE_EVENT_PHYSICAL_DRV		(1 << 4)
239 #define CTLR_STATE_CHANGE_EVENT_LOGICAL_DRV		(1 << 5)
240 #define CTLR_STATE_CHANGE_EVENT_REDUNDANT_CNTRL		(1 << 6)
241 #define CTLR_STATE_CHANGE_EVENT_AIO_ENABLED_DISABLED	(1 << 30)
242 #define CTLR_STATE_CHANGE_EVENT_AIO_CONFIG_CHANGE	(1 << 31)
243 
244 #define RESCAN_REQUIRED_EVENT_BITS \
245 		(CTLR_ENCLOSURE_HOT_PLUG_EVENT | \
246 		CTLR_STATE_CHANGE_EVENT_PHYSICAL_DRV | \
247 		CTLR_STATE_CHANGE_EVENT_LOGICAL_DRV | \
248 		CTLR_STATE_CHANGE_EVENT_AIO_ENABLED_DISABLED | \
249 		CTLR_STATE_CHANGE_EVENT_AIO_CONFIG_CHANGE)
250 	spinlock_t offline_device_lock;
251 	struct list_head offline_device_list;
252 	int	acciopath_status;
253 	int	raid_offload_debug;
254 	struct workqueue_struct *resubmit_wq;
255 	struct workqueue_struct *rescan_ctlr_wq;
256 };
257 
258 struct offline_device_entry {
259 	unsigned char scsi3addr[8];
260 	struct list_head offline_list;
261 };
262 
263 #define HPSA_ABORT_MSG 0
264 #define HPSA_DEVICE_RESET_MSG 1
265 #define HPSA_RESET_TYPE_CONTROLLER 0x00
266 #define HPSA_RESET_TYPE_BUS 0x01
267 #define HPSA_RESET_TYPE_TARGET 0x03
268 #define HPSA_RESET_TYPE_LUN 0x04
269 #define HPSA_MSG_SEND_RETRY_LIMIT 10
270 #define HPSA_MSG_SEND_RETRY_INTERVAL_MSECS (10000)
271 
272 /* Maximum time in seconds driver will wait for command completions
273  * when polling before giving up.
274  */
275 #define HPSA_MAX_POLL_TIME_SECS (20)
276 
277 /* During SCSI error recovery, HPSA_TUR_RETRY_LIMIT defines
278  * how many times to retry TEST UNIT READY on a device
279  * while waiting for it to become ready before giving up.
280  * HPSA_MAX_WAIT_INTERVAL_SECS is the max wait interval
281  * between sending TURs while waiting for a device
282  * to become ready.
283  */
284 #define HPSA_TUR_RETRY_LIMIT (20)
285 #define HPSA_MAX_WAIT_INTERVAL_SECS (30)
286 
287 /* HPSA_BOARD_READY_WAIT_SECS is how long to wait for a board
288  * to become ready, in seconds, before giving up on it.
289  * HPSA_BOARD_READY_POLL_INTERVAL_MSECS * is how long to wait
290  * between polling the board to see if it is ready, in
291  * milliseconds.  HPSA_BOARD_READY_POLL_INTERVAL and
292  * HPSA_BOARD_READY_ITERATIONS are derived from those.
293  */
294 #define HPSA_BOARD_READY_WAIT_SECS (120)
295 #define HPSA_BOARD_NOT_READY_WAIT_SECS (100)
296 #define HPSA_BOARD_READY_POLL_INTERVAL_MSECS (100)
297 #define HPSA_BOARD_READY_POLL_INTERVAL \
298 	((HPSA_BOARD_READY_POLL_INTERVAL_MSECS * HZ) / 1000)
299 #define HPSA_BOARD_READY_ITERATIONS \
300 	((HPSA_BOARD_READY_WAIT_SECS * 1000) / \
301 		HPSA_BOARD_READY_POLL_INTERVAL_MSECS)
302 #define HPSA_BOARD_NOT_READY_ITERATIONS \
303 	((HPSA_BOARD_NOT_READY_WAIT_SECS * 1000) / \
304 		HPSA_BOARD_READY_POLL_INTERVAL_MSECS)
305 #define HPSA_POST_RESET_PAUSE_MSECS (3000)
306 #define HPSA_POST_RESET_NOOP_RETRIES (12)
307 
308 /*  Defining the diffent access_menthods */
309 /*
310  * Memory mapped FIFO interface (SMART 53xx cards)
311  */
312 #define SA5_DOORBELL	0x20
313 #define SA5_REQUEST_PORT_OFFSET	0x40
314 #define SA5_REQUEST_PORT64_LO_OFFSET 0xC0
315 #define SA5_REQUEST_PORT64_HI_OFFSET 0xC4
316 #define SA5_REPLY_INTR_MASK_OFFSET	0x34
317 #define SA5_REPLY_PORT_OFFSET		0x44
318 #define SA5_INTR_STATUS		0x30
319 #define SA5_SCRATCHPAD_OFFSET	0xB0
320 
321 #define SA5_CTCFG_OFFSET	0xB4
322 #define SA5_CTMEM_OFFSET	0xB8
323 
324 #define SA5_INTR_OFF		0x08
325 #define SA5B_INTR_OFF		0x04
326 #define SA5_INTR_PENDING	0x08
327 #define SA5B_INTR_PENDING	0x04
328 #define FIFO_EMPTY		0xffffffff
329 #define HPSA_FIRMWARE_READY	0xffff0000 /* value in scratchpad register */
330 
331 #define HPSA_ERROR_BIT		0x02
332 
333 /* Performant mode flags */
334 #define SA5_PERF_INTR_PENDING   0x04
335 #define SA5_PERF_INTR_OFF       0x05
336 #define SA5_OUTDB_STATUS_PERF_BIT       0x01
337 #define SA5_OUTDB_CLEAR_PERF_BIT        0x01
338 #define SA5_OUTDB_CLEAR         0xA0
339 #define SA5_OUTDB_CLEAR_PERF_BIT        0x01
340 #define SA5_OUTDB_STATUS        0x9C
341 
342 
343 #define HPSA_INTR_ON 	1
344 #define HPSA_INTR_OFF	0
345 
346 /*
347  * Inbound Post Queue offsets for IO Accelerator Mode 2
348  */
349 #define IOACCEL2_INBOUND_POSTQ_32	0x48
350 #define IOACCEL2_INBOUND_POSTQ_64_LOW	0xd0
351 #define IOACCEL2_INBOUND_POSTQ_64_HI	0xd4
352 
353 /*
354 	Send the command to the hardware
355 */
356 static void SA5_submit_command(struct ctlr_info *h,
357 	struct CommandList *c)
358 {
359 	writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
360 	(void) readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
361 }
362 
363 static void SA5_submit_command_no_read(struct ctlr_info *h,
364 	struct CommandList *c)
365 {
366 	writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
367 }
368 
369 static void SA5_submit_command_ioaccel2(struct ctlr_info *h,
370 	struct CommandList *c)
371 {
372 	writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
373 }
374 
375 /*
376  *  This card is the opposite of the other cards.
377  *   0 turns interrupts on...
378  *   0x08 turns them off...
379  */
380 static void SA5_intr_mask(struct ctlr_info *h, unsigned long val)
381 {
382 	if (val) { /* Turn interrupts on */
383 		h->interrupts_enabled = 1;
384 		writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
385 		(void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
386 	} else { /* Turn them off */
387 		h->interrupts_enabled = 0;
388 		writel(SA5_INTR_OFF,
389 			h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
390 		(void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
391 	}
392 }
393 
394 static void SA5_performant_intr_mask(struct ctlr_info *h, unsigned long val)
395 {
396 	if (val) { /* turn on interrupts */
397 		h->interrupts_enabled = 1;
398 		writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
399 		(void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
400 	} else {
401 		h->interrupts_enabled = 0;
402 		writel(SA5_PERF_INTR_OFF,
403 			h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
404 		(void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
405 	}
406 }
407 
408 static unsigned long SA5_performant_completed(struct ctlr_info *h, u8 q)
409 {
410 	struct reply_queue_buffer *rq = &h->reply_queue[q];
411 	unsigned long register_value = FIFO_EMPTY;
412 
413 	/* msi auto clears the interrupt pending bit. */
414 	if (unlikely(!(h->msi_vector || h->msix_vector))) {
415 		/* flush the controller write of the reply queue by reading
416 		 * outbound doorbell status register.
417 		 */
418 		(void) readl(h->vaddr + SA5_OUTDB_STATUS);
419 		writel(SA5_OUTDB_CLEAR_PERF_BIT, h->vaddr + SA5_OUTDB_CLEAR);
420 		/* Do a read in order to flush the write to the controller
421 		 * (as per spec.)
422 		 */
423 		(void) readl(h->vaddr + SA5_OUTDB_STATUS);
424 	}
425 
426 	if ((((u32) rq->head[rq->current_entry]) & 1) == rq->wraparound) {
427 		register_value = rq->head[rq->current_entry];
428 		rq->current_entry++;
429 		atomic_dec(&h->commands_outstanding);
430 	} else {
431 		register_value = FIFO_EMPTY;
432 	}
433 	/* Check for wraparound */
434 	if (rq->current_entry == h->max_commands) {
435 		rq->current_entry = 0;
436 		rq->wraparound ^= 1;
437 	}
438 	return register_value;
439 }
440 
441 /*
442  *   returns value read from hardware.
443  *     returns FIFO_EMPTY if there is nothing to read
444  */
445 static unsigned long SA5_completed(struct ctlr_info *h,
446 	__attribute__((unused)) u8 q)
447 {
448 	unsigned long register_value
449 		= readl(h->vaddr + SA5_REPLY_PORT_OFFSET);
450 
451 	if (register_value != FIFO_EMPTY)
452 		atomic_dec(&h->commands_outstanding);
453 
454 #ifdef HPSA_DEBUG
455 	if (register_value != FIFO_EMPTY)
456 		dev_dbg(&h->pdev->dev, "Read %lx back from board\n",
457 			register_value);
458 	else
459 		dev_dbg(&h->pdev->dev, "FIFO Empty read\n");
460 #endif
461 
462 	return register_value;
463 }
464 /*
465  *	Returns true if an interrupt is pending..
466  */
467 static bool SA5_intr_pending(struct ctlr_info *h)
468 {
469 	unsigned long register_value  =
470 		readl(h->vaddr + SA5_INTR_STATUS);
471 	return register_value & SA5_INTR_PENDING;
472 }
473 
474 static bool SA5_performant_intr_pending(struct ctlr_info *h)
475 {
476 	unsigned long register_value = readl(h->vaddr + SA5_INTR_STATUS);
477 
478 	if (!register_value)
479 		return false;
480 
481 	/* Read outbound doorbell to flush */
482 	register_value = readl(h->vaddr + SA5_OUTDB_STATUS);
483 	return register_value & SA5_OUTDB_STATUS_PERF_BIT;
484 }
485 
486 #define SA5_IOACCEL_MODE1_INTR_STATUS_CMP_BIT    0x100
487 
488 static bool SA5_ioaccel_mode1_intr_pending(struct ctlr_info *h)
489 {
490 	unsigned long register_value = readl(h->vaddr + SA5_INTR_STATUS);
491 
492 	return (register_value & SA5_IOACCEL_MODE1_INTR_STATUS_CMP_BIT) ?
493 		true : false;
494 }
495 
496 #define IOACCEL_MODE1_REPLY_QUEUE_INDEX  0x1A0
497 #define IOACCEL_MODE1_PRODUCER_INDEX     0x1B8
498 #define IOACCEL_MODE1_CONSUMER_INDEX     0x1BC
499 #define IOACCEL_MODE1_REPLY_UNUSED       0xFFFFFFFFFFFFFFFFULL
500 
501 static unsigned long SA5_ioaccel_mode1_completed(struct ctlr_info *h, u8 q)
502 {
503 	u64 register_value;
504 	struct reply_queue_buffer *rq = &h->reply_queue[q];
505 
506 	BUG_ON(q >= h->nreply_queues);
507 
508 	register_value = rq->head[rq->current_entry];
509 	if (register_value != IOACCEL_MODE1_REPLY_UNUSED) {
510 		rq->head[rq->current_entry] = IOACCEL_MODE1_REPLY_UNUSED;
511 		if (++rq->current_entry == rq->size)
512 			rq->current_entry = 0;
513 		/*
514 		 * @todo
515 		 *
516 		 * Don't really need to write the new index after each command,
517 		 * but with current driver design this is easiest.
518 		 */
519 		wmb();
520 		writel((q << 24) | rq->current_entry, h->vaddr +
521 				IOACCEL_MODE1_CONSUMER_INDEX);
522 		atomic_dec(&h->commands_outstanding);
523 	}
524 	return (unsigned long) register_value;
525 }
526 
527 static struct access_method SA5_access = {
528 	SA5_submit_command,
529 	SA5_intr_mask,
530 	SA5_intr_pending,
531 	SA5_completed,
532 };
533 
534 static struct access_method SA5_ioaccel_mode1_access = {
535 	SA5_submit_command,
536 	SA5_performant_intr_mask,
537 	SA5_ioaccel_mode1_intr_pending,
538 	SA5_ioaccel_mode1_completed,
539 };
540 
541 static struct access_method SA5_ioaccel_mode2_access = {
542 	SA5_submit_command_ioaccel2,
543 	SA5_performant_intr_mask,
544 	SA5_performant_intr_pending,
545 	SA5_performant_completed,
546 };
547 
548 static struct access_method SA5_performant_access = {
549 	SA5_submit_command,
550 	SA5_performant_intr_mask,
551 	SA5_performant_intr_pending,
552 	SA5_performant_completed,
553 };
554 
555 static struct access_method SA5_performant_access_no_read = {
556 	SA5_submit_command_no_read,
557 	SA5_performant_intr_mask,
558 	SA5_performant_intr_pending,
559 	SA5_performant_completed,
560 };
561 
562 struct board_type {
563 	u32	board_id;
564 	char	*product_name;
565 	struct access_method *access;
566 };
567 
568 #endif /* HPSA_H */
569 
570