xref: /dragonfly/sys/dev/raid/aac/aacvar.h (revision bcb3e04d)
1 /*-
2  * Copyright (c) 2000 Michael Smith
3  * Copyright (c) 2001 Scott Long
4  * Copyright (c) 2000 BSDi
5  * Copyright (c) 2001 Adaptec, Inc.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  *	$FreeBSD: src/sys/dev/aac/aacvar.h,v 1.4.2.7 2003/04/08 13:22:08 scottl Exp $
30  */
31 
32 #include <sys/buf.h>
33 #include <sys/buf2.h>
34 #include <sys/eventhandler.h>
35 #include <sys/lock.h>
36 #include <sys/event.h>
37 #include <sys/taskqueue.h>
38 #include <sys/thread2.h>
39 
40 /*
41  * Driver Parameter Definitions
42  */
43 
44 /*
45  * The firmware interface allows for a 16-bit s/g list length.  We limit
46  * ourselves to a reasonable maximum and ensure alignment.
47  */
48 #define AAC_MAXSGENTRIES	64	/* max S/G entries, limit 65535 */
49 
50 /*
51  * We allocate a small set of FIBs for the adapter to use to send us messages.
52  */
53 #define AAC_ADAPTER_FIBS	8
54 
55 /*
56  * FIBs are allocated in page-size chunks and can grow up to the 512
57  * limit imposed by the hardware.
58  */
59 #define AAC_PREALLOCATE_FIBS	128
60 #define AAC_NUM_MGT_FIB		8
61 /*
62  * The controller reports status events in AIFs.  We hang on to a number of
63  * these in order to pass them out to user-space management tools.
64  */
65 #define AAC_AIFQ_LENGTH		64
66 
67 /*
68  * Firmware messages are passed in the kprintf buffer.
69  */
70 #define AAC_PRINTF_BUFSIZE	256
71 
72 /*
73  * We wait this many seconds for the adapter to come ready if it is still
74  * booting
75  */
76 #define AAC_BOOT_TIMEOUT	(3 * 60)
77 
78 /*
79  * Timeout for immediate commands.
80  */
81 #define AAC_IMMEDIATE_TIMEOUT	30		/* seconds */
82 
83 /*
84  * Timeout for normal commands
85  */
86 #define AAC_CMD_TIMEOUT		30		/* seconds */
87 
88 /*
89  * Rate at which we periodically check for timed out commands and kick the
90  * controller.
91  */
92 #define AAC_PERIODIC_INTERVAL	20		/* seconds */
93 
94 /*
95  * Per-container data structure
96  */
97 struct aac_container
98 {
99 	struct aac_mntobj		co_mntobj;
100 	device_t			co_disk;
101 	int				co_found;
102 	TAILQ_ENTRY(aac_container)	co_link;
103 };
104 
105 /*
106  * Per-SIM data structure
107  */
108 struct aac_sim
109 {
110 	device_t		sim_dev;
111 	int			TargetsPerBus;
112 	int			BusNumber;
113 	int			InitiatorBusId;
114 	struct aac_softc	*aac_sc;
115 	TAILQ_ENTRY(aac_sim)	sim_link;
116 };
117 
118 /*
119  * Per-disk structure
120  */
121 struct aac_disk
122 {
123 	device_t			ad_dev;
124 	cdev_t				ad_dev_t;
125 	struct aac_softc		*ad_controller;
126 	struct aac_container		*ad_container;
127 	struct disk			ad_disk;
128 	struct devstat			ad_stats;
129 	int				ad_flags;
130 #define AAC_DISK_OPEN	(1<<0)
131 	int				ad_cylinders;
132 	int				ad_heads;
133 	int				ad_sectors;
134 	u_int32_t			ad_size;
135 	int				unit;
136 };
137 
138 /*
139  * Per-command control structure.
140  */
141 struct aac_command
142 {
143 	TAILQ_ENTRY(aac_command) cm_link;	/* list linkage */
144 
145 	struct aac_softc	*cm_sc;		/* controller that owns us */
146 
147 	struct aac_fib		*cm_fib;	/* FIB associated with this
148 						 * command */
149 	u_int64_t		cm_fibphys;	/* bus address of the FIB */
150 	struct buf		*cm_data;	/* pointer to data in kernel
151 						 * space */
152 	u_int32_t		cm_datalen;	/* data length */
153 	bus_dmamap_t		cm_datamap;	/* DMA map for bio data */
154 	struct aac_sg_table	*cm_sgtable;	/* pointer to s/g table in
155 						 * command */
156 	int			cm_flags;
157 #define AAC_CMD_MAPPED		(1<<0)		/* command has had its data
158 						 * mapped */
159 #define AAC_CMD_DATAIN		(1<<1)		/* command involves data moving
160 						 * from controller to host */
161 #define AAC_CMD_DATAOUT		(1<<2)		/* command involves data moving
162 						 * from host to controller */
163 #define AAC_CMD_COMPLETED	(1<<3)		/* command has been completed */
164 #define AAC_CMD_TIMEDOUT	(1<<4)		/* command taken too long */
165 #define AAC_ON_AACQ_FREE	(1<<5)
166 #define AAC_ON_AACQ_READY	(1<<6)
167 #define AAC_ON_AACQ_BUSY	(1<<7)
168 #define AAC_ON_AACQ_COMPLETE	(1<<8)
169 #define AAC_ON_AACQ_NORM	(1<<10)
170 #define AAC_ON_AACQ_AIF		(1<<11)
171 #define AAC_ON_AACQ_MASK	((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10)|(1<<11))
172 #define AAC_QUEUE_FRZN		(1<<9)		/* Freeze the processing of
173 						 * commands on the queue. */
174 
175 	void			(* cm_complete)(struct aac_command *cm);
176 	void			*cm_private;
177 	time_t			cm_timestamp;	/* command creation time */
178 	int			cm_queue;
179 	int			cm_index;
180 };
181 
182 struct aac_fibmap {
183 	TAILQ_ENTRY(aac_fibmap) fm_link;	/* list linkage */
184 	struct aac_fib		*aac_fibs;
185 	bus_dmamap_t		aac_fibmap;
186 	struct aac_command	*aac_commands;
187 };
188 
189 /*
190  * We gather a number of adapter-visible items into a single structure.
191  *
192  * The ordering of this strucure may be important; we copy the Linux driver:
193  *
194  * Adapter FIBs
195  * Init struct
196  * Queue headers (Comm Area)
197  * Printf buffer
198  *
199  * In addition, we add:
200  * Sync Fib
201  */
202 struct aac_common {
203 	/* fibs for the controller to send us messages */
204 	struct aac_fib		ac_fibs[AAC_ADAPTER_FIBS];
205 
206 	/* the init structure */
207 	struct aac_adapter_init	ac_init;
208 
209 	/* arena within which the queue structures are kept */
210 	u_int8_t		ac_qbuf[sizeof(struct aac_queue_table) +
211 				AAC_QUEUE_ALIGN];
212 
213 	/* buffer for text messages from the controller */
214 	char		       	ac_printf[AAC_PRINTF_BUFSIZE];
215 
216 	/* fib for synchronous commands */
217 	struct aac_fib		ac_sync_fib;
218 };
219 
220 /*
221  * Interface operations
222  */
223 struct aac_interface
224 {
225 	int	(*aif_get_fwstatus)(struct aac_softc *sc);
226 	void	(*aif_qnotify)(struct aac_softc *sc, int qbit);
227 	int	(*aif_get_istatus)(struct aac_softc *sc);
228 	void	(*aif_clr_istatus)(struct aac_softc *sc, int mask);
229 	void	(*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
230 				   u_int32_t arg0, u_int32_t arg1,
231 				   u_int32_t arg2, u_int32_t arg3);
232 	int	(*aif_get_mailbox)(struct aac_softc *sc, int mb);
233 	void	(*aif_set_interrupts)(struct aac_softc *sc, int enable);
234 	int	(*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
235 	int	(*aif_get_outb_queue)(struct aac_softc *sc);
236 	void	(*aif_set_outb_queue)(struct aac_softc *sc, int index);
237 };
238 extern struct aac_interface	aac_rx_interface;
239 extern struct aac_interface	aac_sa_interface;
240 extern struct aac_interface	aac_fa_interface;
241 extern struct aac_interface	aac_rkt_interface;
242 
243 #define AAC_GET_FWSTATUS(sc)		((sc)->aac_if.aif_get_fwstatus((sc)))
244 #define AAC_QNOTIFY(sc, qbit)		((sc)->aac_if.aif_qnotify((sc), (qbit)))
245 #define AAC_GET_ISTATUS(sc)		((sc)->aac_if.aif_get_istatus((sc)))
246 #define AAC_CLEAR_ISTATUS(sc, mask)	((sc)->aac_if.aif_clr_istatus((sc), \
247 					(mask)))
248 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
249 	((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
250 	(arg3)))
251 #define AAC_GET_MAILBOX(sc, mb)		((sc)->aac_if.aif_get_mailbox((sc), \
252 					(mb)))
253 #define	AAC_MASK_INTERRUPTS(sc)		((sc)->aac_if.aif_set_interrupts((sc), \
254 					0))
255 #define AAC_UNMASK_INTERRUPTS(sc)	((sc)->aac_if.aif_set_interrupts((sc), \
256 					1))
257 #define AAC_SEND_COMMAND(sc, cm)	((sc)->aac_if.aif_send_command((sc), (cm)))
258 #define AAC_GET_OUTB_QUEUE(sc)		((sc)->aac_if.aif_get_outb_queue((sc)))
259 #define AAC_SET_OUTB_QUEUE(sc, idx)	((sc)->aac_if.aif_set_outb_queue((sc), (idx)))
260 
261 #define AAC_SETREG4(sc, reg, val)	bus_space_write_4(sc->aac_btag, \
262 					sc->aac_bhandle, reg, val)
263 #define AAC_GETREG4(sc, reg)		bus_space_read_4 (sc->aac_btag, \
264 					sc->aac_bhandle, reg)
265 #define AAC_SETREG2(sc, reg, val)	bus_space_write_2(sc->aac_btag, \
266 					sc->aac_bhandle, reg, val)
267 #define AAC_GETREG2(sc, reg)		bus_space_read_2 (sc->aac_btag, \
268 					sc->aac_bhandle, reg)
269 #define AAC_SETREG1(sc, reg, val)	bus_space_write_1(sc->aac_btag, \
270 					sc->aac_bhandle, reg, val)
271 #define AAC_GETREG1(sc, reg)		bus_space_read_1 (sc->aac_btag, \
272 					sc->aac_bhandle, reg)
273 
274 /* Define the OS version specific locks */
275 typedef struct lock aac_lock_t;
276 #define AAC_LOCK_INIT(l, s)	lockinit(l, s, 0, LK_CANRECURSE)
277 #define AAC_LOCK_ACQUIRE(l)	lockmgr(l, LK_EXCLUSIVE)
278 #define AAC_LOCK_RELEASE(l)	lockmgr(l, LK_RELEASE)
279 
280 /*
281  * Per-controller structure.
282  */
283 struct aac_softc
284 {
285 	/* bus connections */
286 	device_t		aac_dev;
287 	struct callout		aac_watchdog;
288 	struct resource		*aac_regs_resource;	/* register interface
289 							 * window */
290 	int			aac_regs_rid;		/* resource ID */
291 	bus_space_handle_t	aac_bhandle;		/* bus space handle */
292 	bus_space_tag_t		aac_btag;		/* bus space tag */
293 	bus_dma_tag_t		aac_parent_dmat;	/* parent DMA tag */
294 	bus_dma_tag_t		aac_buffer_dmat;	/* data buffer/command
295 							 * DMA tag */
296 	struct resource		*aac_irq;		/* interrupt */
297 	int			aac_irq_rid;
298 	void			*aac_intr;		/* interrupt handle */
299 	eventhandler_tag	eh;
300 
301 	/* controller features, limits and status */
302 	int			aac_state;
303 #define AAC_STATE_SUSPEND	(1<<0)
304 #define	AAC_STATE_OPEN		(1<<1)
305 #define AAC_STATE_INTERRUPTS_ON	(1<<2)
306 #define AAC_STATE_AIF_SLEEPER	(1<<3)
307 	struct FsaRevision		aac_revision;
308 
309 	/* controller hardware interface */
310 	int			aac_hwif;
311 #define AAC_HWIF_I960RX		0
312 #define AAC_HWIF_STRONGARM	1
313 #define AAC_HWIF_FALCON		2
314 #define AAC_HWIF_RKT		3
315 #define AAC_HWIF_UNKNOWN	-1
316 	bus_dma_tag_t		aac_common_dmat;	/* common structure
317 							 * DMA tag */
318 	bus_dmamap_t		aac_common_dmamap;	/* common structure
319 							 * DMA map */
320 	struct aac_common	*aac_common;
321 	u_int32_t		aac_common_busaddr;
322 	struct aac_interface	aac_if;
323 
324 	/* command/fib resources */
325 	bus_dma_tag_t		aac_fib_dmat;	/* DMA tag for allocing FIBs */
326 	TAILQ_HEAD(,aac_fibmap)	aac_fibmap_tqh;
327 	u_int			total_fibs;
328 	struct aac_command	*aac_commands;
329 
330 	/* command management */
331 	TAILQ_HEAD(,aac_command) aac_free;	/* command structures
332 						 * available for reuse */
333 	TAILQ_HEAD(,aac_command) aac_ready;	/* commands on hold for
334 						 * controller resources */
335 	TAILQ_HEAD(,aac_command) aac_busy;
336 	TAILQ_HEAD(,aac_command) aac_complete;	/* commands which have been
337 						 * returned by the controller */
338 	TAILQ_HEAD(,aac_command) aac_aif;
339 #if 0
340 	TAILQ_HEAD(,aac_command) aac_norm;
341 #endif
342 	TAILQ_HEAD(,aac_event)  aac_ev_cmfree;
343 	struct bio_queue_head	aac_bioq;
344 	struct aac_queue_table	*aac_queues;
345 	struct aac_queue_entry	*aac_qentries[AAC_QUEUE_COUNT];
346 
347 	struct aac_qstat	aac_qstat[AACQ_COUNT];	/* queue statistics */
348 
349 	/* connected containters */
350 	TAILQ_HEAD(,aac_container)	aac_container_tqh;
351 	aac_lock_t		aac_container_lock;
352 
353 	/*
354 	 * The general I/O lock.  This protects the sync fib, the lists, the
355 	 * queues, and the registers.
356 	 */
357 	aac_lock_t		aac_io_lock;
358 
359 	/* delayed activity infrastructure */
360 	struct task		aac_task_complete;	/* deferred-completion
361 							 * task */
362 	struct intr_config_hook	aac_ich;
363 
364 	/* management interface */
365 	cdev_t			aac_dev_t;
366 	aac_lock_t		aac_aifq_lock;
367 	struct aac_aif_command	aac_aifq[AAC_AIFQ_LENGTH];
368 	int			aac_aifq_head;
369 	int			aac_aifq_tail;
370 	struct kqinfo		rcv_kq;
371 	struct thread		*aifthread;
372 	int			aifflags;
373 #define AAC_AIFFLAGS_RUNNING	(1 << 0)
374 #define AAC_AIFFLAGS_AIF	(1 << 1)
375 #define	AAC_AIFFLAGS_EXIT	(1 << 2)
376 #define AAC_AIFFLAGS_EXITED	(1 << 3)
377 #define AAC_AIFFLAGS_PRINTF	(1 << 4)
378 #define	AAC_AIFFLAGS_ALLOCFIBS	(1 << 5)
379 #define AAC_AIFFLAGS_PENDING	(AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \
380 				 AAC_AIFFLAGS_ALLOCFIBS)
381 	u_int32_t		flags;
382 #define AAC_FLAGS_PERC2QC	(1 << 0)
383 #define	AAC_FLAGS_ENABLE_CAM	(1 << 1)	/* No SCSI passthrough */
384 #define	AAC_FLAGS_CAM_NORESET	(1 << 2)	/* Fake SCSI resets */
385 #define	AAC_FLAGS_CAM_PASSONLY	(1 << 3)	/* Only create pass devices */
386 #define	AAC_FLAGS_SG_64BIT	(1 << 4)	/* Use 64-bit S/G addresses */
387 #define	AAC_FLAGS_4GB_WINDOW	(1 << 5)	/* Device can access host mem
388  						 * 2GB-4GB range */
389 #define	AAC_FLAGS_NO4GB		(1 << 6)	/* Can't access host mem >2GB */
390 #define	AAC_FLAGS_256FIBS	(1 << 7)	/* Can only do 256 commands */
391 #define AAC_FLAGS_BROKEN_MEMMAP	(1 << 8)	/* Broken HostPhysMemPages */
392 #define AAC_FLAGS_SLAVE		(1 << 9)
393 #define AAC_FLAGS_MASTER	(1 << 10)
394 #define AAC_FLAGS_NEW_COMM	(1 << 11)	/* New comm. interface supported */
395 #define AAC_FLAGS_RAW_IO	(1 << 12)	/* Raw I/O interface */
396 #define AAC_FLAGS_ARRAY_64BIT	(1 << 13)	/* 64-bit array size */
397 
398 	u_int32_t		supported_options;
399 	u_int32_t		scsi_method_id;
400 	TAILQ_HEAD(,aac_sim)	aac_sim_tqh;
401 
402 	u_int32_t	aac_max_fibs;		/* max. FIB count */
403 	u_int32_t	aac_max_fibs_alloc;	/* max. alloc. per alloc_commands() */
404 	u_int32_t	aac_max_fib_size;	/* max. FIB size */
405 	u_int32_t	aac_sg_tablesize;	/* max. sg count from host */
406 	u_int32_t	aac_max_sectors;	/* max. I/O size from host (blocks) */
407 };
408 
409 /*
410  * Event callback mechanism for the driver
411  */
412 #define AAC_EVENT_NONE		0x00
413 #define AAC_EVENT_CMFREE	0x01
414 #define AAC_EVENT_MASK		0xff
415 #define AAC_EVENT_REPEAT	0x100
416 
417 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
418     void *arg);
419 struct aac_event {
420 	TAILQ_ENTRY(aac_event)	ev_links;
421 	int			ev_type;
422 	aac_event_cb_t		*ev_callback;
423 	void			*ev_arg;
424 };
425 
426 #ifndef AAC_DRIVER_BUILD
427 # define AAC_DRIVER_BUILD 1
428 #endif
429 
430 /*
431  * Public functions
432  */
433 extern void		aac_free(struct aac_softc *sc);
434 extern int		aac_attach(struct aac_softc *sc);
435 extern int		aac_detach(device_t dev);
436 extern int		aac_suspend(device_t dev);
437 extern int		aac_resume(device_t dev);
438 extern void		aac_new_intr(void *arg);
439 extern void		aac_fast_intr(void *arg);
440 extern devclass_t	aac_devclass;
441 extern void		aac_submit_bio(struct aac_disk *ad, struct bio *bio);
442 extern void		aac_biodone(struct bio *bio, const char *code);
443 extern int		aac_dump_enqueue(struct aac_disk *ad, u_int64_t lba,
444 					 void *data, int nblks);
445 extern void		aac_dump_complete(struct aac_softc *sc);
446 extern void		aac_startio(struct aac_softc *sc);
447 extern int		aac_alloc_command(struct aac_softc *sc,
448 					  struct aac_command **cmp);
449 extern void		aac_release_command(struct aac_command *cm);
450 extern int		aac_sync_fib(struct aac_softc *sc, u_int32_t command,
451 				     u_int32_t xferstate, struct aac_fib *fib,
452 				     u_int16_t datasize);
453 extern void		aac_add_event(struct aac_softc *sc, struct aac_event
454 				      *event);
455 
456 /*
457  * Debugging levels:
458  *  0 - quiet, only emit warnings
459  *  1 - noisy, emit major function points and things done
460  *  2 - extremely noisy, emit trace items in loops, etc.
461  */
462 #ifdef AAC_DEBUG
463 # define debug(level, fmt, args...)					\
464 	do {								\
465 	if (level <=AAC_DEBUG) kprintf("%s: " fmt "\n", __func__ , ##args); \
466 	} while (0)
467 # define debug_called(level)						\
468 	do {								\
469 	if (level <= AAC_DEBUG) kprintf("%s: called\n", __func__); \
470 	} while (0)
471 
472 extern void	aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
473 			      const char *caller);
474 extern void	aac_print_aif(struct aac_softc *sc,
475 			      struct aac_aif_command *aif);
476 
477 # define AAC_PRINT_FIB(sc, fib)	aac_print_fib(sc, fib, __func__)
478 
479 #else
480 # define debug(level, fmt, args...)
481 # define debug_called(level)
482 
483 # define AAC_PRINT_FIB(sc, fib)
484 # define aac_print_aif(sc, aac_aif_command)
485 #endif
486 
487 struct aac_code_lookup {
488 	char	*string;
489 	u_int32_t	code;
490 };
491 
492 /*
493  * Queue primitives for driver queues.
494  */
495 #define AACQ_ADD(sc, qname)					\
496 	do {							\
497 		struct aac_qstat *qs;				\
498 								\
499 		qs = &(sc)->aac_qstat[qname];			\
500 								\
501 		qs->q_length++;					\
502 		if (qs->q_length > qs->q_max)			\
503 			qs->q_max = qs->q_length;		\
504 	} while (0)
505 
506 #define AACQ_REMOVE(sc, qname)    (sc)->aac_qstat[qname].q_length--
507 #define AACQ_INIT(sc, qname)				\
508 	do {						\
509 		sc->aac_qstat[qname].q_length = 0;	\
510 		sc->aac_qstat[qname].q_max = 0;		\
511 	} while (0)
512 
513 
514 #define AACQ_COMMAND_QUEUE(name, index)					\
515 static __inline void							\
516 aac_initq_ ## name (struct aac_softc *sc)				\
517 {									\
518 	TAILQ_INIT(&sc->aac_ ## name);					\
519 	AACQ_INIT(sc, index);						\
520 }									\
521 static __inline void							\
522 aac_enqueue_ ## name (struct aac_command *cm)				\
523 {									\
524 	if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {			\
525 		kprintf("command %p is on another queue, flags = %#x\n",	\
526 		       cm, cm->cm_flags);				\
527 		panic("command is on another queue");			\
528 	}								\
529 	TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link);	\
530 	cm->cm_flags |= AAC_ON_ ## index;				\
531 	AACQ_ADD(cm->cm_sc, index);					\
532 }									\
533 static __inline void							\
534 aac_requeue_ ## name (struct aac_command *cm)				\
535 {									\
536 	if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {			\
537 		kprintf("command %p is on another queue, flags = %#x\n",	\
538 		       cm, cm->cm_flags);				\
539 		panic("command is on another queue");			\
540 	}								\
541 	TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link);	\
542 	cm->cm_flags |= AAC_ON_ ## index;				\
543 	AACQ_ADD(cm->cm_sc, index);					\
544 }									\
545 static __inline struct aac_command *					\
546 aac_dequeue_ ## name (struct aac_softc *sc)				\
547 {									\
548 	struct aac_command *cm;						\
549 									\
550 	if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) {		\
551 		if ((cm->cm_flags & AAC_ON_ ## index) == 0) {		\
552 			kprintf("command %p not in queue, flags = %#x, "	\
553 		       	       "bit = %#x\n", cm, cm->cm_flags,		\
554 			       AAC_ON_ ## index);			\
555 			panic("command not in queue");			\
556 		}							\
557 		TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link);		\
558 		cm->cm_flags &= ~AAC_ON_ ## index;			\
559 		AACQ_REMOVE(sc, index);					\
560 	}								\
561 	return(cm);							\
562 }									\
563 static __inline void							\
564 aac_remove_ ## name (struct aac_command *cm)				\
565 {									\
566 	if ((cm->cm_flags & AAC_ON_ ## index) == 0) {			\
567 		kprintf("command %p not in queue, flags = %#x, "		\
568 		       "bit = %#x\n", cm, cm->cm_flags, 		\
569 		       AAC_ON_ ## index);				\
570 		panic("command not in queue");				\
571 	}								\
572 	TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link);		\
573 	cm->cm_flags &= ~AAC_ON_ ## index;				\
574 	AACQ_REMOVE(cm->cm_sc, index);					\
575 }									\
576 struct hack
577 
578 AACQ_COMMAND_QUEUE(free, AACQ_FREE);
579 AACQ_COMMAND_QUEUE(ready, AACQ_READY);
580 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
581 AACQ_COMMAND_QUEUE(complete, AACQ_COMPLETE);
582 
583 /*
584  * outstanding bio queue
585  */
586 static __inline void
587 aac_initq_bio(struct aac_softc *sc)
588 {
589 	bioq_init(&sc->aac_bioq);
590 	AACQ_INIT(sc, AACQ_BIO);
591 }
592 
593 static __inline void
594 aac_enqueue_bio(struct aac_softc *sc, struct bio *bio)
595 {
596 	bioqdisksort(&sc->aac_bioq, bio);
597 	AACQ_ADD(sc, AACQ_BIO);
598 }
599 
600 static __inline struct bio *
601 aac_dequeue_bio(struct aac_softc *sc)
602 {
603 	struct bio *bio;
604 
605 	if ((bio = bioq_first(&sc->aac_bioq)) != NULL) {
606 		bioq_remove(&sc->aac_bioq, bio);
607 		AACQ_REMOVE(sc, AACQ_BIO);
608 	}
609 	return(bio);
610 }
611 
612 static __inline void
613 aac_print_printf(struct aac_softc *sc)
614 {
615 	/*
616 	 * XXX We have the ability to read the length of the kprintf string
617 	 * from out of the mailboxes.
618 	 */
619 	device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
620 		      sc->aac_common->ac_printf);
621 	sc->aac_common->ac_printf[0] = 0;
622 	AAC_QNOTIFY(sc, AAC_DB_PRINTF);
623 }
624 
625 static __inline int
626 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
627 {
628 
629 	KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
630 	*fib = &sc->aac_common->ac_sync_fib;
631 	return (0);
632 }
633 
634 static __inline void
635 aac_release_sync_fib(struct aac_softc *sc)
636 {
637 
638 	KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
639 }
640 
641