xref: /openbmc/linux/drivers/scsi/hpsa.h (revision 36bccb11)
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 	unsigned long (*fifo_full)(struct ctlr_info *h);
36 	bool (*intr_pending)(struct ctlr_info *h);
37 	unsigned long (*command_completed)(struct ctlr_info *h, u8 q);
38 };
39 
40 struct hpsa_scsi_dev_t {
41 	int devtype;
42 	int bus, target, lun;		/* as presented to the OS */
43 	unsigned char scsi3addr[8];	/* as presented to the HW */
44 #define RAID_CTLR_LUNID "\0\0\0\0\0\0\0\0"
45 	unsigned char device_id[16];    /* from inquiry pg. 0x83 */
46 	unsigned char vendor[8];        /* bytes 8-15 of inquiry data */
47 	unsigned char model[16];        /* bytes 16-31 of inquiry data */
48 	unsigned char raid_level;	/* from inquiry page 0xC1 */
49 	unsigned char volume_offline;	/* discovered via TUR or VPD */
50 	u32 ioaccel_handle;
51 	int offload_config;		/* I/O accel RAID offload configured */
52 	int offload_enabled;		/* I/O accel RAID offload enabled */
53 	int offload_to_mirror;		/* Send next I/O accelerator RAID
54 					 * offload request to mirror drive
55 					 */
56 	struct raid_map_data raid_map;	/* I/O accelerator RAID map */
57 
58 };
59 
60 struct reply_pool {
61 	u64 *head;
62 	size_t size;
63 	u8 wraparound;
64 	u32 current_entry;
65 };
66 
67 #pragma pack(1)
68 struct bmic_controller_parameters {
69 	u8   led_flags;
70 	u8   enable_command_list_verification;
71 	u8   backed_out_write_drives;
72 	u16  stripes_for_parity;
73 	u8   parity_distribution_mode_flags;
74 	u16  max_driver_requests;
75 	u16  elevator_trend_count;
76 	u8   disable_elevator;
77 	u8   force_scan_complete;
78 	u8   scsi_transfer_mode;
79 	u8   force_narrow;
80 	u8   rebuild_priority;
81 	u8   expand_priority;
82 	u8   host_sdb_asic_fix;
83 	u8   pdpi_burst_from_host_disabled;
84 	char software_name[64];
85 	char hardware_name[32];
86 	u8   bridge_revision;
87 	u8   snapshot_priority;
88 	u32  os_specific;
89 	u8   post_prompt_timeout;
90 	u8   automatic_drive_slamming;
91 	u8   reserved1;
92 	u8   nvram_flags;
93 	u8   cache_nvram_flags;
94 	u8   drive_config_flags;
95 	u16  reserved2;
96 	u8   temp_warning_level;
97 	u8   temp_shutdown_level;
98 	u8   temp_condition_reset;
99 	u8   max_coalesce_commands;
100 	u32  max_coalesce_delay;
101 	u8   orca_password[4];
102 	u8   access_id[16];
103 	u8   reserved[356];
104 };
105 #pragma pack()
106 
107 struct ctlr_info {
108 	int	ctlr;
109 	char	devname[8];
110 	char    *product_name;
111 	struct pci_dev *pdev;
112 	u32	board_id;
113 	void __iomem *vaddr;
114 	unsigned long paddr;
115 	int 	nr_cmds; /* Number of commands allowed on this controller */
116 	struct CfgTable __iomem *cfgtable;
117 	int	interrupts_enabled;
118 	int	major;
119 	int 	max_commands;
120 	int	commands_outstanding;
121 	int 	max_outstanding; /* Debug */
122 	int	usage_count;  /* number of opens all all minor devices */
123 #	define PERF_MODE_INT	0
124 #	define DOORBELL_INT	1
125 #	define SIMPLE_MODE_INT	2
126 #	define MEMQ_MODE_INT	3
127 	unsigned int intr[MAX_REPLY_QUEUES];
128 	unsigned int msix_vector;
129 	unsigned int msi_vector;
130 	int intr_mode; /* either PERF_MODE_INT or SIMPLE_MODE_INT */
131 	struct access_method access;
132 	char hba_mode_enabled;
133 
134 	/* queue and queue Info */
135 	struct list_head reqQ;
136 	struct list_head cmpQ;
137 	unsigned int Qdepth;
138 	unsigned int maxSG;
139 	spinlock_t lock;
140 	int maxsgentries;
141 	u8 max_cmd_sg_entries;
142 	int chainsize;
143 	struct SGDescriptor **cmd_sg_list;
144 
145 	/* pointers to command and error info pool */
146 	struct CommandList 	*cmd_pool;
147 	dma_addr_t		cmd_pool_dhandle;
148 	struct io_accel1_cmd	*ioaccel_cmd_pool;
149 	dma_addr_t		ioaccel_cmd_pool_dhandle;
150 	struct io_accel2_cmd	*ioaccel2_cmd_pool;
151 	dma_addr_t		ioaccel2_cmd_pool_dhandle;
152 	struct ErrorInfo 	*errinfo_pool;
153 	dma_addr_t		errinfo_pool_dhandle;
154 	unsigned long  		*cmd_pool_bits;
155 	int			scan_finished;
156 	spinlock_t		scan_lock;
157 	wait_queue_head_t	scan_wait_queue;
158 
159 	struct Scsi_Host *scsi_host;
160 	spinlock_t devlock; /* to protect hba[ctlr]->dev[];  */
161 	int ndevices; /* number of used elements in .dev[] array. */
162 	struct hpsa_scsi_dev_t *dev[HPSA_MAX_DEVICES];
163 	/*
164 	 * Performant mode tables.
165 	 */
166 	u32 trans_support;
167 	u32 trans_offset;
168 	struct TransTable_struct *transtable;
169 	unsigned long transMethod;
170 
171 	/* cap concurrent passthrus at some reasonable maximum */
172 #define HPSA_MAX_CONCURRENT_PASSTHRUS (20)
173 	spinlock_t passthru_count_lock; /* protects passthru_count */
174 	int passthru_count;
175 
176 	/*
177 	 * Performant mode completion buffers
178 	 */
179 	u64 *reply_pool;
180 	size_t reply_pool_size;
181 	struct reply_pool reply_queue[MAX_REPLY_QUEUES];
182 	u8 nreply_queues;
183 	dma_addr_t reply_pool_dhandle;
184 	u32 *blockFetchTable;
185 	u32 *ioaccel1_blockFetchTable;
186 	u32 *ioaccel2_blockFetchTable;
187 	u32 *ioaccel2_bft2_regs;
188 	unsigned char *hba_inquiry_data;
189 	u32 driver_support;
190 	u32 fw_support;
191 	int ioaccel_support;
192 	int ioaccel_maxsg;
193 	u64 last_intr_timestamp;
194 	u32 last_heartbeat;
195 	u64 last_heartbeat_timestamp;
196 	u32 heartbeat_sample_interval;
197 	atomic_t firmware_flash_in_progress;
198 	u32 lockup_detected;
199 	struct delayed_work monitor_ctlr_work;
200 	int remove_in_progress;
201 	u32 fifo_recently_full;
202 	/* Address of h->q[x] is passed to intr handler to know which queue */
203 	u8 q[MAX_REPLY_QUEUES];
204 	u32 TMFSupportFlags; /* cache what task mgmt funcs are supported. */
205 #define HPSATMF_BITS_SUPPORTED  (1 << 0)
206 #define HPSATMF_PHYS_LUN_RESET  (1 << 1)
207 #define HPSATMF_PHYS_NEX_RESET  (1 << 2)
208 #define HPSATMF_PHYS_TASK_ABORT (1 << 3)
209 #define HPSATMF_PHYS_TSET_ABORT (1 << 4)
210 #define HPSATMF_PHYS_CLEAR_ACA  (1 << 5)
211 #define HPSATMF_PHYS_CLEAR_TSET (1 << 6)
212 #define HPSATMF_PHYS_QRY_TASK   (1 << 7)
213 #define HPSATMF_PHYS_QRY_TSET   (1 << 8)
214 #define HPSATMF_PHYS_QRY_ASYNC  (1 << 9)
215 #define HPSATMF_MASK_SUPPORTED  (1 << 16)
216 #define HPSATMF_LOG_LUN_RESET   (1 << 17)
217 #define HPSATMF_LOG_NEX_RESET   (1 << 18)
218 #define HPSATMF_LOG_TASK_ABORT  (1 << 19)
219 #define HPSATMF_LOG_TSET_ABORT  (1 << 20)
220 #define HPSATMF_LOG_CLEAR_ACA   (1 << 21)
221 #define HPSATMF_LOG_CLEAR_TSET  (1 << 22)
222 #define HPSATMF_LOG_QRY_TASK    (1 << 23)
223 #define HPSATMF_LOG_QRY_TSET    (1 << 24)
224 #define HPSATMF_LOG_QRY_ASYNC   (1 << 25)
225 	u32 events;
226 #define CTLR_STATE_CHANGE_EVENT				(1 << 0)
227 #define CTLR_ENCLOSURE_HOT_PLUG_EVENT			(1 << 1)
228 #define CTLR_STATE_CHANGE_EVENT_PHYSICAL_DRV		(1 << 4)
229 #define CTLR_STATE_CHANGE_EVENT_LOGICAL_DRV		(1 << 5)
230 #define CTLR_STATE_CHANGE_EVENT_REDUNDANT_CNTRL		(1 << 6)
231 #define CTLR_STATE_CHANGE_EVENT_AIO_ENABLED_DISABLED	(1 << 30)
232 #define CTLR_STATE_CHANGE_EVENT_AIO_CONFIG_CHANGE	(1 << 31)
233 
234 #define RESCAN_REQUIRED_EVENT_BITS \
235 		(CTLR_STATE_CHANGE_EVENT | \
236 		CTLR_ENCLOSURE_HOT_PLUG_EVENT | \
237 		CTLR_STATE_CHANGE_EVENT_PHYSICAL_DRV | \
238 		CTLR_STATE_CHANGE_EVENT_LOGICAL_DRV | \
239 		CTLR_STATE_CHANGE_EVENT_REDUNDANT_CNTRL | \
240 		CTLR_STATE_CHANGE_EVENT_AIO_ENABLED_DISABLED | \
241 		CTLR_STATE_CHANGE_EVENT_AIO_CONFIG_CHANGE)
242 	spinlock_t offline_device_lock;
243 	struct list_head offline_device_list;
244 	int	acciopath_status;
245 	int	drv_req_rescan;	/* flag for driver to request rescan event */
246 	int	raid_offload_debug;
247 };
248 
249 struct offline_device_entry {
250 	unsigned char scsi3addr[8];
251 	struct list_head offline_list;
252 };
253 
254 #define HPSA_ABORT_MSG 0
255 #define HPSA_DEVICE_RESET_MSG 1
256 #define HPSA_RESET_TYPE_CONTROLLER 0x00
257 #define HPSA_RESET_TYPE_BUS 0x01
258 #define HPSA_RESET_TYPE_TARGET 0x03
259 #define HPSA_RESET_TYPE_LUN 0x04
260 #define HPSA_MSG_SEND_RETRY_LIMIT 10
261 #define HPSA_MSG_SEND_RETRY_INTERVAL_MSECS (10000)
262 
263 /* Maximum time in seconds driver will wait for command completions
264  * when polling before giving up.
265  */
266 #define HPSA_MAX_POLL_TIME_SECS (20)
267 
268 /* During SCSI error recovery, HPSA_TUR_RETRY_LIMIT defines
269  * how many times to retry TEST UNIT READY on a device
270  * while waiting for it to become ready before giving up.
271  * HPSA_MAX_WAIT_INTERVAL_SECS is the max wait interval
272  * between sending TURs while waiting for a device
273  * to become ready.
274  */
275 #define HPSA_TUR_RETRY_LIMIT (20)
276 #define HPSA_MAX_WAIT_INTERVAL_SECS (30)
277 
278 /* HPSA_BOARD_READY_WAIT_SECS is how long to wait for a board
279  * to become ready, in seconds, before giving up on it.
280  * HPSA_BOARD_READY_POLL_INTERVAL_MSECS * is how long to wait
281  * between polling the board to see if it is ready, in
282  * milliseconds.  HPSA_BOARD_READY_POLL_INTERVAL and
283  * HPSA_BOARD_READY_ITERATIONS are derived from those.
284  */
285 #define HPSA_BOARD_READY_WAIT_SECS (120)
286 #define HPSA_BOARD_NOT_READY_WAIT_SECS (100)
287 #define HPSA_BOARD_READY_POLL_INTERVAL_MSECS (100)
288 #define HPSA_BOARD_READY_POLL_INTERVAL \
289 	((HPSA_BOARD_READY_POLL_INTERVAL_MSECS * HZ) / 1000)
290 #define HPSA_BOARD_READY_ITERATIONS \
291 	((HPSA_BOARD_READY_WAIT_SECS * 1000) / \
292 		HPSA_BOARD_READY_POLL_INTERVAL_MSECS)
293 #define HPSA_BOARD_NOT_READY_ITERATIONS \
294 	((HPSA_BOARD_NOT_READY_WAIT_SECS * 1000) / \
295 		HPSA_BOARD_READY_POLL_INTERVAL_MSECS)
296 #define HPSA_POST_RESET_PAUSE_MSECS (3000)
297 #define HPSA_POST_RESET_NOOP_RETRIES (12)
298 
299 /*  Defining the diffent access_menthods */
300 /*
301  * Memory mapped FIFO interface (SMART 53xx cards)
302  */
303 #define SA5_DOORBELL	0x20
304 #define SA5_REQUEST_PORT_OFFSET	0x40
305 #define SA5_REPLY_INTR_MASK_OFFSET	0x34
306 #define SA5_REPLY_PORT_OFFSET		0x44
307 #define SA5_INTR_STATUS		0x30
308 #define SA5_SCRATCHPAD_OFFSET	0xB0
309 
310 #define SA5_CTCFG_OFFSET	0xB4
311 #define SA5_CTMEM_OFFSET	0xB8
312 
313 #define SA5_INTR_OFF		0x08
314 #define SA5B_INTR_OFF		0x04
315 #define SA5_INTR_PENDING	0x08
316 #define SA5B_INTR_PENDING	0x04
317 #define FIFO_EMPTY		0xffffffff
318 #define HPSA_FIRMWARE_READY	0xffff0000 /* value in scratchpad register */
319 
320 #define HPSA_ERROR_BIT		0x02
321 
322 /* Performant mode flags */
323 #define SA5_PERF_INTR_PENDING   0x04
324 #define SA5_PERF_INTR_OFF       0x05
325 #define SA5_OUTDB_STATUS_PERF_BIT       0x01
326 #define SA5_OUTDB_CLEAR_PERF_BIT        0x01
327 #define SA5_OUTDB_CLEAR         0xA0
328 #define SA5_OUTDB_CLEAR_PERF_BIT        0x01
329 #define SA5_OUTDB_STATUS        0x9C
330 
331 
332 #define HPSA_INTR_ON 	1
333 #define HPSA_INTR_OFF	0
334 
335 /*
336  * Inbound Post Queue offsets for IO Accelerator Mode 2
337  */
338 #define IOACCEL2_INBOUND_POSTQ_32	0x48
339 #define IOACCEL2_INBOUND_POSTQ_64_LOW	0xd0
340 #define IOACCEL2_INBOUND_POSTQ_64_HI	0xd4
341 
342 /*
343 	Send the command to the hardware
344 */
345 static void SA5_submit_command(struct ctlr_info *h,
346 	struct CommandList *c)
347 {
348 	dev_dbg(&h->pdev->dev, "Sending %x, tag = %x\n", c->busaddr,
349 		c->Header.Tag.lower);
350 	writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
351 	(void) readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
352 }
353 
354 static void SA5_submit_command_ioaccel2(struct ctlr_info *h,
355 	struct CommandList *c)
356 {
357 	dev_dbg(&h->pdev->dev, "Sending %x, tag = %x\n", c->busaddr,
358 		c->Header.Tag.lower);
359 	if (c->cmd_type == CMD_IOACCEL2)
360 		writel(c->busaddr, h->vaddr + IOACCEL2_INBOUND_POSTQ_32);
361 	else
362 		writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
363 	(void) readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
364 }
365 
366 /*
367  *  This card is the opposite of the other cards.
368  *   0 turns interrupts on...
369  *   0x08 turns them off...
370  */
371 static void SA5_intr_mask(struct ctlr_info *h, unsigned long val)
372 {
373 	if (val) { /* Turn interrupts on */
374 		h->interrupts_enabled = 1;
375 		writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
376 		(void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
377 	} else { /* Turn them off */
378 		h->interrupts_enabled = 0;
379 		writel(SA5_INTR_OFF,
380 			h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
381 		(void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
382 	}
383 }
384 
385 static void SA5_performant_intr_mask(struct ctlr_info *h, unsigned long val)
386 {
387 	if (val) { /* turn on interrupts */
388 		h->interrupts_enabled = 1;
389 		writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
390 		(void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
391 	} else {
392 		h->interrupts_enabled = 0;
393 		writel(SA5_PERF_INTR_OFF,
394 			h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
395 		(void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
396 	}
397 }
398 
399 static unsigned long SA5_performant_completed(struct ctlr_info *h, u8 q)
400 {
401 	struct reply_pool *rq = &h->reply_queue[q];
402 	unsigned long flags, register_value = FIFO_EMPTY;
403 
404 	/* msi auto clears the interrupt pending bit. */
405 	if (!(h->msi_vector || h->msix_vector)) {
406 		/* flush the controller write of the reply queue by reading
407 		 * outbound doorbell status register.
408 		 */
409 		register_value = readl(h->vaddr + SA5_OUTDB_STATUS);
410 		writel(SA5_OUTDB_CLEAR_PERF_BIT, h->vaddr + SA5_OUTDB_CLEAR);
411 		/* Do a read in order to flush the write to the controller
412 		 * (as per spec.)
413 		 */
414 		register_value = readl(h->vaddr + SA5_OUTDB_STATUS);
415 	}
416 
417 	if ((rq->head[rq->current_entry] & 1) == rq->wraparound) {
418 		register_value = rq->head[rq->current_entry];
419 		rq->current_entry++;
420 		spin_lock_irqsave(&h->lock, flags);
421 		h->commands_outstanding--;
422 		spin_unlock_irqrestore(&h->lock, flags);
423 	} else {
424 		register_value = FIFO_EMPTY;
425 	}
426 	/* Check for wraparound */
427 	if (rq->current_entry == h->max_commands) {
428 		rq->current_entry = 0;
429 		rq->wraparound ^= 1;
430 	}
431 	return register_value;
432 }
433 
434 /*
435  *  Returns true if fifo is full.
436  *
437  */
438 static unsigned long SA5_fifo_full(struct ctlr_info *h)
439 {
440 	if (h->commands_outstanding >= h->max_commands)
441 		return 1;
442 	else
443 		return 0;
444 
445 }
446 /*
447  *   returns value read from hardware.
448  *     returns FIFO_EMPTY if there is nothing to read
449  */
450 static unsigned long SA5_completed(struct ctlr_info *h,
451 	__attribute__((unused)) u8 q)
452 {
453 	unsigned long register_value
454 		= readl(h->vaddr + SA5_REPLY_PORT_OFFSET);
455 	unsigned long flags;
456 
457 	if (register_value != FIFO_EMPTY) {
458 		spin_lock_irqsave(&h->lock, flags);
459 		h->commands_outstanding--;
460 		spin_unlock_irqrestore(&h->lock, flags);
461 	}
462 
463 #ifdef HPSA_DEBUG
464 	if (register_value != FIFO_EMPTY)
465 		dev_dbg(&h->pdev->dev, "Read %lx back from board\n",
466 			register_value);
467 	else
468 		dev_dbg(&h->pdev->dev, "FIFO Empty read\n");
469 #endif
470 
471 	return register_value;
472 }
473 /*
474  *	Returns true if an interrupt is pending..
475  */
476 static bool SA5_intr_pending(struct ctlr_info *h)
477 {
478 	unsigned long register_value  =
479 		readl(h->vaddr + SA5_INTR_STATUS);
480 	dev_dbg(&h->pdev->dev, "intr_pending %lx\n", register_value);
481 	return register_value & SA5_INTR_PENDING;
482 }
483 
484 static bool SA5_performant_intr_pending(struct ctlr_info *h)
485 {
486 	unsigned long register_value = readl(h->vaddr + SA5_INTR_STATUS);
487 
488 	if (!register_value)
489 		return false;
490 
491 	if (h->msi_vector || h->msix_vector)
492 		return true;
493 
494 	/* Read outbound doorbell to flush */
495 	register_value = readl(h->vaddr + SA5_OUTDB_STATUS);
496 	return register_value & SA5_OUTDB_STATUS_PERF_BIT;
497 }
498 
499 #define SA5_IOACCEL_MODE1_INTR_STATUS_CMP_BIT    0x100
500 
501 static bool SA5_ioaccel_mode1_intr_pending(struct ctlr_info *h)
502 {
503 	unsigned long register_value = readl(h->vaddr + SA5_INTR_STATUS);
504 
505 	return (register_value & SA5_IOACCEL_MODE1_INTR_STATUS_CMP_BIT) ?
506 		true : false;
507 }
508 
509 #define IOACCEL_MODE1_REPLY_QUEUE_INDEX  0x1A0
510 #define IOACCEL_MODE1_PRODUCER_INDEX     0x1B8
511 #define IOACCEL_MODE1_CONSUMER_INDEX     0x1BC
512 #define IOACCEL_MODE1_REPLY_UNUSED       0xFFFFFFFFFFFFFFFFULL
513 
514 static unsigned long SA5_ioaccel_mode1_completed(struct ctlr_info *h, u8 q)
515 {
516 	u64 register_value;
517 	struct reply_pool *rq = &h->reply_queue[q];
518 	unsigned long flags;
519 
520 	BUG_ON(q >= h->nreply_queues);
521 
522 	register_value = rq->head[rq->current_entry];
523 	if (register_value != IOACCEL_MODE1_REPLY_UNUSED) {
524 		rq->head[rq->current_entry] = IOACCEL_MODE1_REPLY_UNUSED;
525 		if (++rq->current_entry == rq->size)
526 			rq->current_entry = 0;
527 		/*
528 		 * @todo
529 		 *
530 		 * Don't really need to write the new index after each command,
531 		 * but with current driver design this is easiest.
532 		 */
533 		wmb();
534 		writel((q << 24) | rq->current_entry, h->vaddr +
535 				IOACCEL_MODE1_CONSUMER_INDEX);
536 		spin_lock_irqsave(&h->lock, flags);
537 		h->commands_outstanding--;
538 		spin_unlock_irqrestore(&h->lock, flags);
539 	}
540 	return (unsigned long) register_value;
541 }
542 
543 static struct access_method SA5_access = {
544 	SA5_submit_command,
545 	SA5_intr_mask,
546 	SA5_fifo_full,
547 	SA5_intr_pending,
548 	SA5_completed,
549 };
550 
551 static struct access_method SA5_ioaccel_mode1_access = {
552 	SA5_submit_command,
553 	SA5_performant_intr_mask,
554 	SA5_fifo_full,
555 	SA5_ioaccel_mode1_intr_pending,
556 	SA5_ioaccel_mode1_completed,
557 };
558 
559 static struct access_method SA5_ioaccel_mode2_access = {
560 	SA5_submit_command_ioaccel2,
561 	SA5_performant_intr_mask,
562 	SA5_fifo_full,
563 	SA5_performant_intr_pending,
564 	SA5_performant_completed,
565 };
566 
567 static struct access_method SA5_performant_access = {
568 	SA5_submit_command,
569 	SA5_performant_intr_mask,
570 	SA5_fifo_full,
571 	SA5_performant_intr_pending,
572 	SA5_performant_completed,
573 };
574 
575 struct board_type {
576 	u32	board_id;
577 	char	*product_name;
578 	struct access_method *access;
579 };
580 
581 #endif /* HPSA_H */
582 
583