aacvar.h revision 198593
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: head/sys/dev/aac/aacvar.h 198593 2009-10-29 14:53:45Z emaste $
30 */
31
32#include <sys/bio.h>
33#include <sys/callout.h>
34#include <sys/lock.h>
35#include <sys/mutex.h>
36#include <sys/taskqueue.h>
37#include <sys/selinfo.h>
38#include <geom/geom_disk.h>
39
40#ifndef AAC_DRIVER_BUILD
41# define AAC_DRIVER_BUILD 1
42#endif
43
44/*
45 * Driver Parameter Definitions
46 */
47
48/*
49 * The firmware interface allows for a 16-bit s/g list length.  We limit
50 * ourselves to a reasonable maximum and ensure alignment.
51 */
52#define AAC_MAXSGENTRIES	64	/* max S/G entries, limit 65535 */
53
54/*
55 * We allocate a small set of FIBs for the adapter to use to send us messages.
56 */
57#define AAC_ADAPTER_FIBS	8
58
59/*
60 * FIBs are allocated in page-size chunks and can grow up to the 512
61 * limit imposed by the hardware.
62 */
63#define AAC_PREALLOCATE_FIBS	128
64#define AAC_NUM_MGT_FIB		8
65
66/*
67 * The controller reports status events in AIFs.  We hang on to a number of
68 * these in order to pass them out to user-space management tools.
69 */
70#define AAC_AIFQ_LENGTH		64
71
72/*
73 * Firmware messages are passed in the printf buffer.
74 */
75#define AAC_PRINTF_BUFSIZE	256
76
77/*
78 * We wait this many seconds for the adapter to come ready if it is still
79 * booting
80 */
81#define AAC_BOOT_TIMEOUT	(3 * 60)
82
83/*
84 * Timeout for immediate commands.
85 */
86#define AAC_IMMEDIATE_TIMEOUT	30		/* seconds */
87
88/*
89 * Timeout for normal commands
90 */
91#define AAC_CMD_TIMEOUT		120		/* seconds */
92
93/*
94 * Rate at which we periodically check for timed out commands and kick the
95 * controller.
96 */
97#define AAC_PERIODIC_INTERVAL	20		/* seconds */
98
99/*
100 * Per-container data structure
101 */
102struct aac_container
103{
104	struct aac_mntobj		co_mntobj;
105	device_t			co_disk;
106	int				co_found;
107	TAILQ_ENTRY(aac_container)	co_link;
108};
109
110/*
111 * Per-SIM data structure
112 */
113struct aac_sim
114{
115	device_t		sim_dev;
116	int			TargetsPerBus;
117	int			BusNumber;
118	int			InitiatorBusId;
119	struct aac_softc	*aac_sc;
120	TAILQ_ENTRY(aac_sim)	sim_link;
121};
122
123/*
124 * Per-disk structure
125 */
126struct aac_disk
127{
128	device_t			ad_dev;
129	struct aac_softc		*ad_controller;
130	struct aac_container		*ad_container;
131	struct disk			*ad_disk;
132	int				ad_flags;
133#define AAC_DISK_OPEN	(1<<0)
134	int				ad_cylinders;
135	int				ad_heads;
136	int				ad_sectors;
137	u_int64_t			ad_size;
138	int				unit;
139};
140
141/*
142 * Per-command control structure.
143 */
144struct aac_command
145{
146	TAILQ_ENTRY(aac_command) cm_link;	/* list linkage */
147
148	struct aac_softc	*cm_sc;		/* controller that owns us */
149
150	struct aac_fib		*cm_fib;	/* FIB associated with this
151						 * command */
152	u_int64_t		cm_fibphys;	/* bus address of the FIB */
153	struct bio		*cm_data;	/* pointer to data in kernel
154						 * space */
155	u_int32_t		cm_datalen;	/* data length */
156	bus_dmamap_t		cm_datamap;	/* DMA map for bio data */
157	struct aac_sg_table	*cm_sgtable;	/* pointer to s/g table in
158						 * command */
159	int			cm_flags;
160#define AAC_CMD_MAPPED		(1<<0)		/* command has had its data
161						 * mapped */
162#define AAC_CMD_DATAIN		(1<<1)		/* command involves data moving
163						 * from controller to host */
164#define AAC_CMD_DATAOUT		(1<<2)		/* command involves data moving
165						 * from host to controller */
166#define AAC_CMD_COMPLETED	(1<<3)		/* command has been completed */
167#define AAC_CMD_TIMEDOUT	(1<<4)		/* command taken too long */
168#define AAC_ON_AACQ_FREE	(1<<5)
169#define AAC_ON_AACQ_READY	(1<<6)
170#define AAC_ON_AACQ_BUSY	(1<<7)
171#define AAC_ON_AACQ_AIF		(1<<8)
172#define AAC_ON_AACQ_NORM	(1<<10)
173#define AAC_ON_AACQ_MASK	((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
174#define AAC_QUEUE_FRZN		(1<<9)		/* Freeze the processing of
175						 * commands on the queue. */
176
177	void			(* cm_complete)(struct aac_command *cm);
178	void			*cm_private;
179	time_t			cm_timestamp;	/* command creation time */
180	int			cm_queue;
181	int			cm_index;
182};
183
184struct aac_fibmap {
185	TAILQ_ENTRY(aac_fibmap) fm_link;	/* list linkage */
186	struct aac_fib		*aac_fibs;
187	bus_dmamap_t		aac_fibmap;
188	struct aac_command	*aac_commands;
189};
190
191/*
192 * We gather a number of adapter-visible items into a single structure.
193 *
194 * The ordering of this strucure may be important; we copy the Linux driver:
195 *
196 * Adapter FIBs
197 * Init struct
198 * Queue headers (Comm Area)
199 * Printf buffer
200 *
201 * In addition, we add:
202 * Sync Fib
203 */
204struct aac_common {
205	/* fibs for the controller to send us messages */
206	struct aac_fib		ac_fibs[AAC_ADAPTER_FIBS];
207
208	/* the init structure */
209	struct aac_adapter_init	ac_init;
210
211	/* arena within which the queue structures are kept */
212	u_int8_t		ac_qbuf[sizeof(struct aac_queue_table) +
213				AAC_QUEUE_ALIGN];
214
215	/* buffer for text messages from the controller */
216	char		       	ac_printf[AAC_PRINTF_BUFSIZE];
217
218	/* fib for synchronous commands */
219	struct aac_fib		ac_sync_fib;
220};
221
222/*
223 * Interface operations
224 */
225struct aac_interface
226{
227	int	(*aif_get_fwstatus)(struct aac_softc *sc);
228	void	(*aif_qnotify)(struct aac_softc *sc, int qbit);
229	int	(*aif_get_istatus)(struct aac_softc *sc);
230	void	(*aif_clr_istatus)(struct aac_softc *sc, int mask);
231	void	(*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
232				   u_int32_t arg0, u_int32_t arg1,
233				   u_int32_t arg2, u_int32_t arg3);
234	int	(*aif_get_mailbox)(struct aac_softc *sc, int mb);
235	void	(*aif_set_interrupts)(struct aac_softc *sc, int enable);
236	int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
237	int (*aif_get_outb_queue)(struct aac_softc *sc);
238	void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
239};
240extern struct aac_interface	aac_rx_interface;
241extern struct aac_interface	aac_sa_interface;
242extern struct aac_interface	aac_fa_interface;
243extern struct aac_interface	aac_rkt_interface;
244
245#define AAC_GET_FWSTATUS(sc)		((sc)->aac_if.aif_get_fwstatus((sc)))
246#define AAC_QNOTIFY(sc, qbit)		((sc)->aac_if.aif_qnotify((sc), (qbit)))
247#define AAC_GET_ISTATUS(sc)		((sc)->aac_if.aif_get_istatus((sc)))
248#define AAC_CLEAR_ISTATUS(sc, mask)	((sc)->aac_if.aif_clr_istatus((sc), \
249					(mask)))
250#define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
251	((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
252	(arg3)))
253#define AAC_GET_MAILBOX(sc, mb)		((sc)->aac_if.aif_get_mailbox((sc), \
254					(mb)))
255#define	AAC_MASK_INTERRUPTS(sc)		((sc)->aac_if.aif_set_interrupts((sc), \
256					0))
257#define AAC_UNMASK_INTERRUPTS(sc)	((sc)->aac_if.aif_set_interrupts((sc), \
258					1))
259#define AAC_SEND_COMMAND(sc, cm)	((sc)->aac_if.aif_send_command((sc), (cm)))
260#define AAC_GET_OUTB_QUEUE(sc)		((sc)->aac_if.aif_get_outb_queue((sc)))
261#define AAC_SET_OUTB_QUEUE(sc, idx)	((sc)->aac_if.aif_set_outb_queue((sc), (idx)))
262
263#define AAC_MEM0_SETREG4(sc, reg, val)	bus_space_write_4(sc->aac_btag0, \
264					sc->aac_bhandle0, reg, val)
265#define AAC_MEM0_GETREG4(sc, reg)	bus_space_read_4(sc->aac_btag0, \
266					sc->aac_bhandle0, reg)
267#define AAC_MEM0_SETREG2(sc, reg, val)	bus_space_write_2(sc->aac_btag0, \
268					sc->aac_bhandle0, reg, val)
269#define AAC_MEM0_GETREG2(sc, reg)	bus_space_read_2(sc->aac_btag0, \
270					sc->aac_bhandle0, reg)
271#define AAC_MEM0_SETREG1(sc, reg, val)	bus_space_write_1(sc->aac_btag0, \
272					sc->aac_bhandle0, reg, val)
273#define AAC_MEM0_GETREG1(sc, reg)	bus_space_read_1(sc->aac_btag0, \
274					sc->aac_bhandle0, reg)
275
276#define AAC_MEM1_SETREG4(sc, reg, val)	bus_space_write_4(sc->aac_btag1, \
277					sc->aac_bhandle1, reg, val)
278#define AAC_MEM1_GETREG4(sc, reg)	bus_space_read_4(sc->aac_btag1, \
279					sc->aac_bhandle1, reg)
280#define AAC_MEM1_SETREG2(sc, reg, val)	bus_space_write_2(sc->aac_btag1, \
281					sc->aac_bhandle1, reg, val)
282#define AAC_MEM1_GETREG2(sc, reg)	bus_space_read_2(sc->aac_btag1, \
283					sc->aac_bhandle1, reg)
284#define AAC_MEM1_SETREG1(sc, reg, val)	bus_space_write_1(sc->aac_btag1, \
285					sc->aac_bhandle1, reg, val)
286#define AAC_MEM1_GETREG1(sc, reg)	bus_space_read_1(sc->aac_btag1, \
287					sc->aac_bhandle1, reg)
288
289/* fib context (IOCTL) */
290struct aac_fib_context {
291	u_int32_t		unique;
292	int			ctx_idx;
293	int			ctx_wrap;
294	struct aac_fib_context *next, *prev;
295};
296
297/*
298 * Per-controller structure.
299 */
300struct aac_softc
301{
302	/* bus connections */
303	device_t		aac_dev;
304	struct resource		*aac_regs_res0, *aac_regs_res1; /* reg. if. window */
305	int			aac_regs_rid0, aac_regs_rid1;		/* resource ID */
306	bus_space_handle_t	aac_bhandle0, aac_bhandle1;		/* bus space handle */
307	bus_space_tag_t		aac_btag0, aac_btag1;		/* bus space tag */
308	bus_dma_tag_t		aac_parent_dmat;	/* parent DMA tag */
309	bus_dma_tag_t		aac_buffer_dmat;	/* data buffer/command
310							 * DMA tag */
311	struct resource		*aac_irq;		/* interrupt */
312	int			aac_irq_rid;
313	void			*aac_intr;		/* interrupt handle */
314	eventhandler_tag	eh;
315
316	/* controller features, limits and status */
317	int			aac_state;
318#define AAC_STATE_SUSPEND	(1<<0)
319#define	AAC_STATE_OPEN		(1<<1)
320#define AAC_STATE_INTERRUPTS_ON	(1<<2)
321#define AAC_STATE_AIF_SLEEPER	(1<<3)
322	int			aac_open_cnt;
323	struct FsaRevision		aac_revision;
324
325	/* controller hardware interface */
326	int			aac_hwif;
327#define AAC_HWIF_I960RX		0
328#define AAC_HWIF_STRONGARM	1
329#define AAC_HWIF_FALCON		2
330#define AAC_HWIF_RKT		3
331#define	AAC_HWIF_NARK		4
332#define AAC_HWIF_UNKNOWN	-1
333	bus_dma_tag_t		aac_common_dmat;	/* common structure
334							 * DMA tag */
335	bus_dmamap_t		aac_common_dmamap;	/* common structure
336							 * DMA map */
337	struct aac_common	*aac_common;
338	u_int32_t		aac_common_busaddr;
339	struct aac_interface	aac_if;
340
341	/* command/fib resources */
342	bus_dma_tag_t		aac_fib_dmat;	/* DMA tag for allocing FIBs */
343	TAILQ_HEAD(,aac_fibmap)	aac_fibmap_tqh;
344	u_int			total_fibs;
345	struct aac_command	*aac_commands;
346
347	/* command management */
348	TAILQ_HEAD(,aac_command) aac_free;	/* command structures
349						 * available for reuse */
350	TAILQ_HEAD(,aac_command) aac_ready;	/* commands on hold for
351						 * controller resources */
352	TAILQ_HEAD(,aac_command) aac_busy;
353	TAILQ_HEAD(,aac_event)	aac_ev_cmfree;
354	struct bio_queue_head	aac_bioq;
355	struct aac_queue_table	*aac_queues;
356	struct aac_queue_entry	*aac_qentries[AAC_QUEUE_COUNT];
357
358	struct aac_qstat	aac_qstat[AACQ_COUNT];	/* queue statistics */
359
360	/* connected containters */
361	TAILQ_HEAD(,aac_container)	aac_container_tqh;
362	struct mtx		aac_container_lock;
363
364	/*
365	 * The general I/O lock.  This protects the sync fib, the lists, the
366	 * queues, and the registers.
367	 */
368	struct mtx		aac_io_lock;
369
370	/* delayed activity infrastructure */
371	struct task		aac_task_complete;	/* deferred-completion
372							 * task */
373	struct intr_config_hook	aac_ich;
374
375	/* management interface */
376	struct cdev *aac_dev_t;
377	struct mtx		aac_aifq_lock;
378	struct aac_fib		aac_aifq[AAC_AIFQ_LENGTH];
379	int			aifq_idx;
380	int			aifq_filled;
381	struct aac_fib_context *fibctx;
382	struct selinfo		rcv_select;
383	struct proc		*aifthread;
384	int			aifflags;
385#define AAC_AIFFLAGS_RUNNING	(1 << 0)
386#define AAC_AIFFLAGS_AIF	(1 << 1)
387#define	AAC_AIFFLAGS_EXIT	(1 << 2)
388#define AAC_AIFFLAGS_EXITED	(1 << 3)
389#define AAC_AIFFLAGS_PRINTF	(1 << 4)
390#define	AAC_AIFFLAGS_ALLOCFIBS	(1 << 5)
391#define AAC_AIFFLAGS_PENDING	(AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \
392				 AAC_AIFFLAGS_ALLOCFIBS)
393	u_int32_t		flags;
394#define AAC_FLAGS_PERC2QC	(1 << 0)
395#define	AAC_FLAGS_ENABLE_CAM	(1 << 1)	/* No SCSI passthrough */
396#define	AAC_FLAGS_CAM_NORESET	(1 << 2)	/* Fake SCSI resets */
397#define	AAC_FLAGS_CAM_PASSONLY	(1 << 3)	/* Only create pass devices */
398#define	AAC_FLAGS_SG_64BIT	(1 << 4)	/* Use 64-bit S/G addresses */
399#define	AAC_FLAGS_4GB_WINDOW	(1 << 5)	/* Device can access host mem
400						 * 2GB-4GB range */
401#define	AAC_FLAGS_NO4GB		(1 << 6)	/* Can't access host mem >2GB */
402#define	AAC_FLAGS_256FIBS	(1 << 7)	/* Can only do 256 commands */
403#define	AAC_FLAGS_BROKEN_MEMMAP (1 << 8)	/* Broken HostPhysMemPages */
404#define AAC_FLAGS_SLAVE	(1 << 9)
405#define AAC_FLAGS_MASTER	(1 << 10)
406#define AAC_FLAGS_NEW_COMM	(1 << 11)	/* New comm. interface supported */
407#define AAC_FLAGS_RAW_IO	(1 << 12)	/* Raw I/O interface */
408#define AAC_FLAGS_ARRAY_64BIT	(1 << 13)	/* 64-bit array size */
409#define	AAC_FLAGS_LBA_64BIT	(1 << 14)	/* 64-bit LBA support */
410
411	u_int32_t		supported_options;
412	u_int32_t		scsi_method_id;
413	TAILQ_HEAD(,aac_sim)	aac_sim_tqh;
414
415	struct callout	aac_daemontime;		/* clock daemon callout */
416
417	u_int32_t	aac_max_fibs;           /* max. FIB count */
418	u_int32_t	aac_max_fibs_alloc;		/* max. alloc. per alloc_commands() */
419	u_int32_t	aac_max_fib_size;		/* max. FIB size */
420	u_int32_t	aac_sg_tablesize;		/* max. sg count from host */
421	u_int32_t	aac_max_sectors;		/* max. I/O size from host (blocks) */
422};
423
424/*
425 * Event callback mechanism for the driver
426 */
427#define AAC_EVENT_NONE		0x00
428#define AAC_EVENT_CMFREE	0x01
429#define	AAC_EVENT_MASK		0xff
430#define AAC_EVENT_REPEAT	0x100
431
432typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
433    void *arg);
434struct aac_event {
435	TAILQ_ENTRY(aac_event)	ev_links;
436	int			ev_type;
437	aac_event_cb_t		*ev_callback;
438	void			*ev_arg;
439};
440
441/*
442 * Public functions
443 */
444extern void		aac_free(struct aac_softc *sc);
445extern int		aac_attach(struct aac_softc *sc);
446extern int		aac_detach(device_t dev);
447extern int		aac_shutdown(device_t dev);
448extern int		aac_suspend(device_t dev);
449extern int		aac_resume(device_t dev);
450extern void		aac_new_intr(void *arg);
451extern int		aac_filter(void *arg);
452extern void		aac_submit_bio(struct bio *bp);
453extern void		aac_biodone(struct bio *bp);
454extern void		aac_startio(struct aac_softc *sc);
455extern int		aac_alloc_command(struct aac_softc *sc,
456					  struct aac_command **cmp);
457extern void		aac_release_command(struct aac_command *cm);
458extern int		aac_sync_fib(struct aac_softc *sc, u_int32_t command,
459				     u_int32_t xferstate, struct aac_fib *fib,
460				     u_int16_t datasize);
461extern void		aac_add_event(struct aac_softc *sc, struct aac_event
462				      *event);
463
464#ifdef AAC_DEBUG
465extern int	aac_debug_enable;
466# define fwprintf(sc, flags, fmt, args...)				\
467do {									\
468	if (!aac_debug_enable)						\
469		break;							\
470	if (sc != NULL)							\
471		device_printf(((struct aac_softc *)sc)->aac_dev,	\
472		    "%s: " fmt "\n", __func__, ##args);			\
473	else								\
474		printf("%s: " fmt "\n", __func__, ##args);		\
475} while(0)
476
477extern void	aac_print_queues(struct aac_softc *sc);
478extern void	aac_panic(struct aac_softc *sc, char *reason);
479extern void	aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
480			      const char *caller);
481extern void	aac_print_aif(struct aac_softc *sc,
482			      struct aac_aif_command *aif);
483
484#define AAC_PRINT_FIB(sc, fib)	aac_print_fib(sc, fib, __func__)
485
486#else
487# define fwprintf(sc, flags, fmt, args...)
488
489# define aac_print_queues(sc)
490# define aac_panic(sc, reason)
491
492# define AAC_PRINT_FIB(sc, fib)
493# define aac_print_aif(sc, aac_aif_command)
494#endif
495
496struct aac_code_lookup {
497	char	*string;
498	u_int32_t	code;
499};
500
501/*
502 * Queue primitives for driver queues.
503 */
504#define AACQ_ADD(sc, qname)					\
505	do {							\
506		struct aac_qstat *qs;				\
507								\
508		qs = &(sc)->aac_qstat[qname];			\
509								\
510		qs->q_length++;					\
511		if (qs->q_length > qs->q_max)			\
512			qs->q_max = qs->q_length;		\
513	} while (0)
514
515#define AACQ_REMOVE(sc, qname)    (sc)->aac_qstat[qname].q_length--
516#define AACQ_INIT(sc, qname)				\
517	do {						\
518		sc->aac_qstat[qname].q_length = 0;	\
519		sc->aac_qstat[qname].q_max = 0;		\
520	} while (0)
521
522
523#define AACQ_COMMAND_QUEUE(name, index)					\
524static __inline void							\
525aac_initq_ ## name (struct aac_softc *sc)				\
526{									\
527	TAILQ_INIT(&sc->aac_ ## name);					\
528	AACQ_INIT(sc, index);						\
529}									\
530static __inline void							\
531aac_enqueue_ ## name (struct aac_command *cm)				\
532{									\
533	if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {			\
534		printf("command %p is on another queue, flags = %#x\n",	\
535		       cm, cm->cm_flags);				\
536		panic("command is on another queue");			\
537	}								\
538	TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link);	\
539	cm->cm_flags |= AAC_ON_ ## index;				\
540	AACQ_ADD(cm->cm_sc, index);					\
541}									\
542static __inline void							\
543aac_requeue_ ## name (struct aac_command *cm)				\
544{									\
545	if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {			\
546		printf("command %p is on another queue, flags = %#x\n",	\
547		       cm, cm->cm_flags);				\
548		panic("command is on another queue");			\
549	}								\
550	TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link);	\
551	cm->cm_flags |= AAC_ON_ ## index;				\
552	AACQ_ADD(cm->cm_sc, index);					\
553}									\
554static __inline struct aac_command *					\
555aac_dequeue_ ## name (struct aac_softc *sc)				\
556{									\
557	struct aac_command *cm;						\
558									\
559	if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) {		\
560		if ((cm->cm_flags & AAC_ON_ ## index) == 0) {		\
561			printf("command %p not in queue, flags = %#x, "	\
562		       	       "bit = %#x\n", cm, cm->cm_flags,		\
563			       AAC_ON_ ## index);			\
564			panic("command not in queue");			\
565		}							\
566		TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link);		\
567		cm->cm_flags &= ~AAC_ON_ ## index;			\
568		AACQ_REMOVE(sc, index);					\
569	}								\
570	return(cm);							\
571}									\
572static __inline void							\
573aac_remove_ ## name (struct aac_command *cm)				\
574{									\
575	if ((cm->cm_flags & AAC_ON_ ## index) == 0) {			\
576		printf("command %p not in queue, flags = %#x, "		\
577		       "bit = %#x\n", cm, cm->cm_flags, 		\
578		       AAC_ON_ ## index);				\
579		panic("command not in queue");				\
580	}								\
581	TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link);		\
582	cm->cm_flags &= ~AAC_ON_ ## index;				\
583	AACQ_REMOVE(cm->cm_sc, index);					\
584}									\
585struct hack
586
587AACQ_COMMAND_QUEUE(free, AACQ_FREE);
588AACQ_COMMAND_QUEUE(ready, AACQ_READY);
589AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
590
591/*
592 * outstanding bio queue
593 */
594static __inline void
595aac_initq_bio(struct aac_softc *sc)
596{
597	bioq_init(&sc->aac_bioq);
598	AACQ_INIT(sc, AACQ_BIO);
599}
600
601static __inline void
602aac_enqueue_bio(struct aac_softc *sc, struct bio *bp)
603{
604	bioq_insert_tail(&sc->aac_bioq, bp);
605	AACQ_ADD(sc, AACQ_BIO);
606}
607
608static __inline struct bio *
609aac_dequeue_bio(struct aac_softc *sc)
610{
611	struct bio *bp;
612
613	if ((bp = bioq_first(&sc->aac_bioq)) != NULL) {
614		bioq_remove(&sc->aac_bioq, bp);
615		AACQ_REMOVE(sc, AACQ_BIO);
616	}
617	return(bp);
618}
619
620static __inline void
621aac_print_printf(struct aac_softc *sc)
622{
623	/*
624	 * XXX We have the ability to read the length of the printf string
625	 * from out of the mailboxes.
626	 */
627	device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
628		      sc->aac_common->ac_printf);
629	sc->aac_common->ac_printf[0] = 0;
630	AAC_QNOTIFY(sc, AAC_DB_PRINTF);
631}
632
633static __inline int
634aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
635{
636
637	mtx_assert(&sc->aac_io_lock, MA_OWNED);
638	*fib = &sc->aac_common->ac_sync_fib;
639	return (0);
640}
641
642static __inline void
643aac_release_sync_fib(struct aac_softc *sc)
644{
645
646	mtx_assert(&sc->aac_io_lock, MA_OWNED);
647}
648
649