aacvar.h revision 218208
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 218208 2011-02-03 03:07:11Z 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#define	AAC_TYPE_DEVO			1
41#define	AAC_TYPE_ALPHA			2
42#define	AAC_TYPE_BETA			3
43#define	AAC_TYPE_RELEASE		4
44
45#define	AAC_DRIVER_MAJOR_VERSION	2
46#define	AAC_DRIVER_MINOR_VERSION	1
47#define	AAC_DRIVER_BUGFIX_LEVEL		9
48#define	AAC_DRIVER_TYPE			AAC_TYPE_RELEASE
49
50#ifndef AAC_DRIVER_BUILD
51# define AAC_DRIVER_BUILD 1
52#endif
53
54/*
55 * Driver Parameter Definitions
56 */
57
58/*
59 * The firmware interface allows for a 16-bit s/g list length.  We limit
60 * ourselves to a reasonable maximum and ensure alignment.
61 */
62#define AAC_MAXSGENTRIES	64	/* max S/G entries, limit 65535 */
63
64/*
65 * We allocate a small set of FIBs for the adapter to use to send us messages.
66 */
67#define AAC_ADAPTER_FIBS	8
68
69/*
70 * The controller reports status events in AIFs.  We hang on to a number of
71 * these in order to pass them out to user-space management tools.
72 */
73#define AAC_AIFQ_LENGTH		64
74
75/*
76 * Firmware messages are passed in the printf buffer.
77 */
78#define AAC_PRINTF_BUFSIZE	256
79
80/*
81 * We wait this many seconds for the adapter to come ready if it is still
82 * booting
83 */
84#define AAC_BOOT_TIMEOUT	(3 * 60)
85
86/*
87 * Timeout for immediate commands.
88 */
89#define AAC_IMMEDIATE_TIMEOUT	30		/* seconds */
90
91/*
92 * Timeout for normal commands
93 */
94#define AAC_CMD_TIMEOUT		120		/* seconds */
95
96/*
97 * Rate at which we periodically check for timed out commands and kick the
98 * controller.
99 */
100#define AAC_PERIODIC_INTERVAL	20		/* seconds */
101
102/*
103 * Per-container data structure
104 */
105struct aac_container
106{
107	struct aac_mntobj		co_mntobj;
108	device_t			co_disk;
109	int				co_found;
110	TAILQ_ENTRY(aac_container)	co_link;
111};
112
113/*
114 * Per-SIM data structure
115 */
116struct aac_cam;
117struct aac_sim
118{
119	device_t		sim_dev;
120	int			TargetsPerBus;
121	int			BusNumber;
122	int			InitiatorBusId;
123	struct aac_softc	*aac_sc;
124	struct aac_cam		*aac_cam;
125	TAILQ_ENTRY(aac_sim)	sim_link;
126};
127
128/*
129 * Per-disk structure
130 */
131struct aac_disk
132{
133	device_t			ad_dev;
134	struct aac_softc		*ad_controller;
135	struct aac_container		*ad_container;
136	struct disk			*ad_disk;
137	int				ad_flags;
138#define AAC_DISK_OPEN	(1<<0)
139	int				ad_cylinders;
140	int				ad_heads;
141	int				ad_sectors;
142	u_int64_t			ad_size;
143	int				unit;
144};
145
146/*
147 * Per-command control structure.
148 */
149struct aac_command
150{
151	TAILQ_ENTRY(aac_command) cm_link;	/* list linkage */
152
153	struct aac_softc	*cm_sc;		/* controller that owns us */
154
155	struct aac_fib		*cm_fib;	/* FIB associated with this
156						 * command */
157	u_int64_t		cm_fibphys;	/* bus address of the FIB */
158	struct bio		*cm_data;	/* pointer to data in kernel
159						 * space */
160	u_int32_t		cm_datalen;	/* data length */
161	bus_dmamap_t		cm_datamap;	/* DMA map for bio data */
162	struct aac_sg_table	*cm_sgtable;	/* pointer to s/g table in
163						 * command */
164	int			cm_flags;
165#define AAC_CMD_MAPPED		(1<<0)		/* command has had its data
166						 * mapped */
167#define AAC_CMD_DATAIN		(1<<1)		/* command involves data moving
168						 * from controller to host */
169#define AAC_CMD_DATAOUT		(1<<2)		/* command involves data moving
170						 * from host to controller */
171#define AAC_CMD_COMPLETED	(1<<3)		/* command has been completed */
172#define AAC_CMD_TIMEDOUT	(1<<4)		/* command taken too long */
173#define AAC_ON_AACQ_FREE	(1<<5)
174#define AAC_ON_AACQ_READY	(1<<6)
175#define AAC_ON_AACQ_BUSY	(1<<7)
176#define AAC_ON_AACQ_AIF		(1<<8)
177#define AAC_ON_AACQ_NORM	(1<<10)
178#define AAC_ON_AACQ_MASK	((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
179#define AAC_QUEUE_FRZN		(1<<9)		/* Freeze the processing of
180						 * commands on the queue. */
181
182	void			(* cm_complete)(struct aac_command *cm);
183	void			*cm_private;
184	time_t			cm_timestamp;	/* command creation time */
185	int			cm_queue;
186	int			cm_index;
187};
188
189struct aac_fibmap {
190	TAILQ_ENTRY(aac_fibmap) fm_link;	/* list linkage */
191	struct aac_fib		*aac_fibs;
192	bus_dmamap_t		aac_fibmap;
193	struct aac_command	*aac_commands;
194};
195
196/*
197 * We gather a number of adapter-visible items into a single structure.
198 *
199 * The ordering of this strucure may be important; we copy the Linux driver:
200 *
201 * Adapter FIBs
202 * Init struct
203 * Queue headers (Comm Area)
204 * Printf buffer
205 *
206 * In addition, we add:
207 * Sync Fib
208 */
209struct aac_common {
210	/* fibs for the controller to send us messages */
211	struct aac_fib		ac_fibs[AAC_ADAPTER_FIBS];
212
213	/* the init structure */
214	struct aac_adapter_init	ac_init;
215
216	/* arena within which the queue structures are kept */
217	u_int8_t		ac_qbuf[sizeof(struct aac_queue_table) +
218				AAC_QUEUE_ALIGN];
219
220	/* buffer for text messages from the controller */
221	char			ac_printf[AAC_PRINTF_BUFSIZE];
222
223	/* fib for synchronous commands */
224	struct aac_fib		ac_sync_fib;
225};
226
227/*
228 * Interface operations
229 */
230struct aac_interface
231{
232	int	(*aif_get_fwstatus)(struct aac_softc *sc);
233	void	(*aif_qnotify)(struct aac_softc *sc, int qbit);
234	int	(*aif_get_istatus)(struct aac_softc *sc);
235	void	(*aif_clr_istatus)(struct aac_softc *sc, int mask);
236	void	(*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
237				   u_int32_t arg0, u_int32_t arg1,
238				   u_int32_t arg2, u_int32_t arg3);
239	int	(*aif_get_mailbox)(struct aac_softc *sc, int mb);
240	void	(*aif_set_interrupts)(struct aac_softc *sc, int enable);
241	int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
242	int (*aif_get_outb_queue)(struct aac_softc *sc);
243	void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
244};
245extern struct aac_interface	aac_rx_interface;
246extern struct aac_interface	aac_sa_interface;
247extern struct aac_interface	aac_fa_interface;
248extern struct aac_interface	aac_rkt_interface;
249
250#define AAC_GET_FWSTATUS(sc)		((sc)->aac_if.aif_get_fwstatus((sc)))
251#define AAC_QNOTIFY(sc, qbit)		((sc)->aac_if.aif_qnotify((sc), (qbit)))
252#define AAC_GET_ISTATUS(sc)		((sc)->aac_if.aif_get_istatus((sc)))
253#define AAC_CLEAR_ISTATUS(sc, mask)	((sc)->aac_if.aif_clr_istatus((sc), \
254					(mask)))
255#define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
256	((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
257	(arg3)))
258#define AAC_GET_MAILBOX(sc, mb)		((sc)->aac_if.aif_get_mailbox((sc), \
259					(mb)))
260#define	AAC_MASK_INTERRUPTS(sc)		((sc)->aac_if.aif_set_interrupts((sc), \
261					0))
262#define AAC_UNMASK_INTERRUPTS(sc)	((sc)->aac_if.aif_set_interrupts((sc), \
263					1))
264#define AAC_SEND_COMMAND(sc, cm)	((sc)->aac_if.aif_send_command((sc), (cm)))
265#define AAC_GET_OUTB_QUEUE(sc)		((sc)->aac_if.aif_get_outb_queue((sc)))
266#define AAC_SET_OUTB_QUEUE(sc, idx)	((sc)->aac_if.aif_set_outb_queue((sc), (idx)))
267
268#define AAC_MEM0_SETREG4(sc, reg, val)	bus_space_write_4(sc->aac_btag0, \
269					sc->aac_bhandle0, reg, val)
270#define AAC_MEM0_GETREG4(sc, reg)	bus_space_read_4(sc->aac_btag0, \
271					sc->aac_bhandle0, reg)
272#define AAC_MEM0_SETREG2(sc, reg, val)	bus_space_write_2(sc->aac_btag0, \
273					sc->aac_bhandle0, reg, val)
274#define AAC_MEM0_GETREG2(sc, reg)	bus_space_read_2(sc->aac_btag0, \
275					sc->aac_bhandle0, reg)
276#define AAC_MEM0_SETREG1(sc, reg, val)	bus_space_write_1(sc->aac_btag0, \
277					sc->aac_bhandle0, reg, val)
278#define AAC_MEM0_GETREG1(sc, reg)	bus_space_read_1(sc->aac_btag0, \
279					sc->aac_bhandle0, reg)
280
281#define AAC_MEM1_SETREG4(sc, reg, val)	bus_space_write_4(sc->aac_btag1, \
282					sc->aac_bhandle1, reg, val)
283#define AAC_MEM1_GETREG4(sc, reg)	bus_space_read_4(sc->aac_btag1, \
284					sc->aac_bhandle1, reg)
285#define AAC_MEM1_SETREG2(sc, reg, val)	bus_space_write_2(sc->aac_btag1, \
286					sc->aac_bhandle1, reg, val)
287#define AAC_MEM1_GETREG2(sc, reg)	bus_space_read_2(sc->aac_btag1, \
288					sc->aac_bhandle1, reg)
289#define AAC_MEM1_SETREG1(sc, reg, val)	bus_space_write_1(sc->aac_btag1, \
290					sc->aac_bhandle1, reg, val)
291#define AAC_MEM1_GETREG1(sc, reg)	bus_space_read_1(sc->aac_btag1, \
292					sc->aac_bhandle1, reg)
293
294/* fib context (IOCTL) */
295struct aac_fib_context {
296	u_int32_t		unique;
297	int			ctx_idx;
298	int			ctx_wrap;
299	struct aac_fib_context *next, *prev;
300};
301
302/*
303 * Per-controller structure.
304 */
305struct aac_softc
306{
307	/* bus connections */
308	device_t		aac_dev;
309	struct resource		*aac_regs_res0, *aac_regs_res1; /* reg. if. window */
310	int			aac_regs_rid0, aac_regs_rid1;		/* resource ID */
311	bus_space_handle_t	aac_bhandle0, aac_bhandle1;		/* bus space handle */
312	bus_space_tag_t		aac_btag0, aac_btag1;		/* bus space tag */
313	bus_dma_tag_t		aac_parent_dmat;	/* parent DMA tag */
314	bus_dma_tag_t		aac_buffer_dmat;	/* data buffer/command
315							 * DMA tag */
316	struct resource		*aac_irq;		/* interrupt */
317	int			aac_irq_rid;
318	void			*aac_intr;		/* interrupt handle */
319	eventhandler_tag	eh;
320
321	/* controller features, limits and status */
322	int			aac_state;
323#define AAC_STATE_SUSPEND	(1<<0)
324#define	AAC_STATE_UNUSED0	(1<<1)
325#define AAC_STATE_INTERRUPTS_ON	(1<<2)
326#define AAC_STATE_AIF_SLEEPER	(1<<3)
327	struct FsaRevision		aac_revision;
328
329	/* controller hardware interface */
330	int			aac_hwif;
331#define AAC_HWIF_I960RX		0
332#define AAC_HWIF_STRONGARM	1
333#define AAC_HWIF_RKT		3
334#define	AAC_HWIF_NARK		4
335#define AAC_HWIF_UNKNOWN	-1
336	bus_dma_tag_t		aac_common_dmat;	/* common structure
337							 * DMA tag */
338	bus_dmamap_t		aac_common_dmamap;	/* common structure
339							 * DMA map */
340	struct aac_common	*aac_common;
341	u_int32_t		aac_common_busaddr;
342	struct aac_interface	aac_if;
343
344	/* command/fib resources */
345	bus_dma_tag_t		aac_fib_dmat;	/* DMA tag for allocing FIBs */
346	TAILQ_HEAD(,aac_fibmap)	aac_fibmap_tqh;
347	u_int			total_fibs;
348	struct aac_command	*aac_commands;
349
350	/* command management */
351	TAILQ_HEAD(,aac_command) aac_free;	/* command structures
352						 * available for reuse */
353	TAILQ_HEAD(,aac_command) aac_ready;	/* commands on hold for
354						 * controller resources */
355	TAILQ_HEAD(,aac_command) aac_busy;
356	TAILQ_HEAD(,aac_event)	aac_ev_cmfree;
357	struct bio_queue_head	aac_bioq;
358	struct aac_queue_table	*aac_queues;
359	struct aac_queue_entry	*aac_qentries[AAC_QUEUE_COUNT];
360
361	struct aac_qstat	aac_qstat[AACQ_COUNT];	/* queue statistics */
362
363	/* connected containters */
364	TAILQ_HEAD(,aac_container)	aac_container_tqh;
365	struct mtx		aac_container_lock;
366
367	/*
368	 * The general I/O lock.  This protects the sync fib, the lists, the
369	 * queues, and the registers.
370	 */
371	struct mtx		aac_io_lock;
372
373	/* delayed activity infrastructure */
374	struct task		aac_task_complete;	/* deferred-completion
375							 * task */
376	struct intr_config_hook	aac_ich;
377
378	/* management interface */
379	struct cdev *aac_dev_t;
380	struct mtx		aac_aifq_lock;
381	struct aac_fib		aac_aifq[AAC_AIFQ_LENGTH];
382	int			aifq_idx;
383	int			aifq_filled;
384	struct aac_fib_context *fibctx;
385	struct selinfo		rcv_select;
386	struct proc		*aifthread;
387	int			aifflags;
388#define AAC_AIFFLAGS_RUNNING	(1 << 0)
389#define AAC_AIFFLAGS_AIF	(1 << 1)
390#define	AAC_AIFFLAGS_EXIT	(1 << 2)
391#define AAC_AIFFLAGS_EXITED	(1 << 3)
392#define AAC_AIFFLAGS_PRINTF	(1 << 4)
393#define	AAC_AIFFLAGS_ALLOCFIBS	(1 << 5)
394#define AAC_AIFFLAGS_PENDING	(AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \
395				 AAC_AIFFLAGS_ALLOCFIBS)
396	u_int32_t		flags;
397#define AAC_FLAGS_PERC2QC	(1 << 0)
398#define	AAC_FLAGS_ENABLE_CAM	(1 << 1)	/* No SCSI passthrough */
399#define	AAC_FLAGS_CAM_NORESET	(1 << 2)	/* Fake SCSI resets */
400#define	AAC_FLAGS_CAM_PASSONLY	(1 << 3)	/* Only create pass devices */
401#define	AAC_FLAGS_SG_64BIT	(1 << 4)	/* Use 64-bit S/G addresses */
402#define	AAC_FLAGS_4GB_WINDOW	(1 << 5)	/* Device can access host mem
403						 * 2GB-4GB range */
404#define	AAC_FLAGS_NO4GB		(1 << 6)	/* Can't access host mem >2GB */
405#define	AAC_FLAGS_256FIBS	(1 << 7)	/* Can only do 256 commands */
406#define	AAC_FLAGS_BROKEN_MEMMAP (1 << 8)	/* Broken HostPhysMemPages */
407#define AAC_FLAGS_SLAVE	(1 << 9)
408#define AAC_FLAGS_MASTER	(1 << 10)
409#define AAC_FLAGS_NEW_COMM	(1 << 11)	/* New comm. interface supported */
410#define AAC_FLAGS_RAW_IO	(1 << 12)	/* Raw I/O interface */
411#define AAC_FLAGS_ARRAY_64BIT	(1 << 13)	/* 64-bit array size */
412#define	AAC_FLAGS_LBA_64BIT	(1 << 14)	/* 64-bit LBA support */
413
414	u_int32_t		supported_options;
415	u_int32_t		scsi_method_id;
416	TAILQ_HEAD(,aac_sim)	aac_sim_tqh;
417
418	struct callout	aac_daemontime;		/* clock daemon callout */
419
420	u_int32_t	aac_max_fibs;		/* max. FIB count */
421	u_int32_t	aac_max_fibs_alloc;		/* max. alloc. per alloc_commands() */
422	u_int32_t	aac_max_fib_size;		/* max. FIB size */
423	u_int32_t	aac_sg_tablesize;		/* max. sg count from host */
424	u_int32_t	aac_max_sectors;		/* max. I/O size from host (blocks) */
425#define AAC_CAM_TARGET_WILDCARD ~0
426	void			(*cam_rescan_cb)(struct aac_softc *, uint32_t,
427				    uint32_t);
428};
429
430/*
431 * Event callback mechanism for the driver
432 */
433#define AAC_EVENT_NONE		0x00
434#define AAC_EVENT_CMFREE	0x01
435#define	AAC_EVENT_MASK		0xff
436#define AAC_EVENT_REPEAT	0x100
437
438typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
439    void *arg);
440struct aac_event {
441	TAILQ_ENTRY(aac_event)	ev_links;
442	int			ev_type;
443	aac_event_cb_t		*ev_callback;
444	void			*ev_arg;
445};
446
447/*
448 * Public functions
449 */
450extern void		aac_free(struct aac_softc *sc);
451extern int		aac_attach(struct aac_softc *sc);
452extern int		aac_detach(device_t dev);
453extern int		aac_shutdown(device_t dev);
454extern int		aac_suspend(device_t dev);
455extern int		aac_resume(device_t dev);
456extern void		aac_new_intr(void *arg);
457extern int		aac_filter(void *arg);
458extern void		aac_submit_bio(struct bio *bp);
459extern void		aac_biodone(struct bio *bp);
460extern void		aac_startio(struct aac_softc *sc);
461extern int		aac_alloc_command(struct aac_softc *sc,
462					  struct aac_command **cmp);
463extern void		aac_release_command(struct aac_command *cm);
464extern int		aac_sync_fib(struct aac_softc *sc, u_int32_t command,
465				     u_int32_t xferstate, struct aac_fib *fib,
466				     u_int16_t datasize);
467extern void		aac_add_event(struct aac_softc *sc, struct aac_event
468				      *event);
469
470#ifdef AAC_DEBUG
471extern int	aac_debug_enable;
472# define fwprintf(sc, flags, fmt, args...)				\
473do {									\
474	if (!aac_debug_enable)						\
475		break;							\
476	if (sc != NULL)							\
477		device_printf(((struct aac_softc *)sc)->aac_dev,	\
478		    "%s: " fmt "\n", __func__, ##args);			\
479	else								\
480		printf("%s: " fmt "\n", __func__, ##args);		\
481} while(0)
482
483extern void	aac_print_queues(struct aac_softc *sc);
484extern void	aac_panic(struct aac_softc *sc, char *reason);
485extern void	aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
486			      const char *caller);
487extern void	aac_print_aif(struct aac_softc *sc,
488			      struct aac_aif_command *aif);
489
490#define AAC_PRINT_FIB(sc, fib)	aac_print_fib(sc, fib, __func__)
491
492#else
493# define fwprintf(sc, flags, fmt, args...)
494
495# define aac_print_queues(sc)
496# define aac_panic(sc, reason)
497
498# define AAC_PRINT_FIB(sc, fib)
499# define aac_print_aif(sc, aac_aif_command)
500#endif
501
502struct aac_code_lookup {
503	char	*string;
504	u_int32_t	code;
505};
506
507/*
508 * Queue primitives for driver queues.
509 */
510#define AACQ_ADD(sc, qname)					\
511	do {							\
512		struct aac_qstat *qs;				\
513								\
514		qs = &(sc)->aac_qstat[qname];			\
515								\
516		qs->q_length++;					\
517		if (qs->q_length > qs->q_max)			\
518			qs->q_max = qs->q_length;		\
519	} while (0)
520
521#define AACQ_REMOVE(sc, qname)    (sc)->aac_qstat[qname].q_length--
522#define AACQ_INIT(sc, qname)				\
523	do {						\
524		sc->aac_qstat[qname].q_length = 0;	\
525		sc->aac_qstat[qname].q_max = 0;		\
526	} while (0)
527
528
529#define AACQ_COMMAND_QUEUE(name, index)					\
530static __inline void							\
531aac_initq_ ## name (struct aac_softc *sc)				\
532{									\
533	TAILQ_INIT(&sc->aac_ ## name);					\
534	AACQ_INIT(sc, index);						\
535}									\
536static __inline void							\
537aac_enqueue_ ## name (struct aac_command *cm)				\
538{									\
539	if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {			\
540		printf("command %p is on another queue, flags = %#x\n",	\
541		       cm, cm->cm_flags);				\
542		panic("aac: command is on another queue");		\
543	}								\
544	TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link);	\
545	cm->cm_flags |= AAC_ON_ ## index;				\
546	AACQ_ADD(cm->cm_sc, index);					\
547}									\
548static __inline void							\
549aac_requeue_ ## name (struct aac_command *cm)				\
550{									\
551	if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {			\
552		printf("command %p is on another queue, flags = %#x\n",	\
553		       cm, cm->cm_flags);				\
554		panic("aac: command is on another queue");		\
555	}								\
556	TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link);	\
557	cm->cm_flags |= AAC_ON_ ## index;				\
558	AACQ_ADD(cm->cm_sc, index);					\
559}									\
560static __inline struct aac_command *					\
561aac_dequeue_ ## name (struct aac_softc *sc)				\
562{									\
563	struct aac_command *cm;						\
564									\
565	if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) {		\
566		if ((cm->cm_flags & AAC_ON_ ## index) == 0) {		\
567			printf("command %p not in queue, flags = %#x, "	\
568			       "bit = %#x\n", cm, cm->cm_flags,		\
569			       AAC_ON_ ## index);			\
570			panic("aac: command not in queue");		\
571		}							\
572		TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link);		\
573		cm->cm_flags &= ~AAC_ON_ ## index;			\
574		AACQ_REMOVE(sc, index);					\
575	}								\
576	return(cm);							\
577}									\
578static __inline void							\
579aac_remove_ ## name (struct aac_command *cm)				\
580{									\
581	if ((cm->cm_flags & AAC_ON_ ## index) == 0) {			\
582		printf("command %p not in queue, flags = %#x, "		\
583		       "bit = %#x\n", cm, cm->cm_flags, 		\
584		       AAC_ON_ ## index);				\
585		panic("aac: command not in queue");			\
586	}								\
587	TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link);		\
588	cm->cm_flags &= ~AAC_ON_ ## index;				\
589	AACQ_REMOVE(cm->cm_sc, index);					\
590}									\
591struct hack
592
593AACQ_COMMAND_QUEUE(free, AACQ_FREE);
594AACQ_COMMAND_QUEUE(ready, AACQ_READY);
595AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
596
597/*
598 * outstanding bio queue
599 */
600static __inline void
601aac_initq_bio(struct aac_softc *sc)
602{
603	bioq_init(&sc->aac_bioq);
604	AACQ_INIT(sc, AACQ_BIO);
605}
606
607static __inline void
608aac_enqueue_bio(struct aac_softc *sc, struct bio *bp)
609{
610	bioq_insert_tail(&sc->aac_bioq, bp);
611	AACQ_ADD(sc, AACQ_BIO);
612}
613
614static __inline struct bio *
615aac_dequeue_bio(struct aac_softc *sc)
616{
617	struct bio *bp;
618
619	if ((bp = bioq_first(&sc->aac_bioq)) != NULL) {
620		bioq_remove(&sc->aac_bioq, bp);
621		AACQ_REMOVE(sc, AACQ_BIO);
622	}
623	return(bp);
624}
625
626static __inline void
627aac_print_printf(struct aac_softc *sc)
628{
629	/*
630	 * XXX We have the ability to read the length of the printf string
631	 * from out of the mailboxes.
632	 */
633	device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
634		      sc->aac_common->ac_printf);
635	sc->aac_common->ac_printf[0] = 0;
636	AAC_QNOTIFY(sc, AAC_DB_PRINTF);
637}
638
639static __inline int
640aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
641{
642
643	mtx_assert(&sc->aac_io_lock, MA_OWNED);
644	*fib = &sc->aac_common->ac_sync_fib;
645	return (0);
646}
647
648static __inline void
649aac_release_sync_fib(struct aac_softc *sc)
650{
651
652	mtx_assert(&sc->aac_io_lock, MA_OWNED);
653}
654
655