aacvar.h revision 330897
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2000 Michael Smith
5 * Copyright (c) 2001 Scott Long
6 * Copyright (c) 2000 BSDi
7 * Copyright (c) 2001 Adaptec, Inc.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 *	$FreeBSD: stable/11/sys/dev/aac/aacvar.h 330897 2018-03-14 03:19:51Z eadler $
32 */
33
34#include <sys/bio.h>
35#include <sys/callout.h>
36#include <sys/lock.h>
37#include <sys/mutex.h>
38#include <sys/selinfo.h>
39#include <sys/sysctl.h>
40#include <sys/taskqueue.h>
41#include <geom/geom_disk.h>
42
43SYSCTL_DECL(_hw_aac);
44
45#define	AAC_TYPE_DEVO			1
46#define	AAC_TYPE_ALPHA			2
47#define	AAC_TYPE_BETA			3
48#define	AAC_TYPE_RELEASE		4
49
50#define	AAC_DRIVER_MAJOR_VERSION	2
51#define	AAC_DRIVER_MINOR_VERSION	1
52#define	AAC_DRIVER_BUGFIX_LEVEL		9
53#define	AAC_DRIVER_TYPE			AAC_TYPE_RELEASE
54
55#ifndef AAC_DRIVER_BUILD
56# define AAC_DRIVER_BUILD 1
57#endif
58
59/*
60 * Driver Parameter Definitions
61 */
62
63/*
64 * The firmware interface allows for a 16-bit s/g list length.  We limit
65 * ourselves to a reasonable maximum and ensure alignment.
66 */
67#define AAC_MAXSGENTRIES	64	/* max S/G entries, limit 65535 */
68
69/*
70 * We allocate a small set of FIBs for the adapter to use to send us messages.
71 */
72#define AAC_ADAPTER_FIBS	8
73
74/*
75 * The controller reports status events in AIFs.  We hang on to a number of
76 * these in order to pass them out to user-space management tools.
77 */
78#define AAC_AIFQ_LENGTH		64
79
80/*
81 * Firmware messages are passed in the printf buffer.
82 */
83#define AAC_PRINTF_BUFSIZE	256
84
85/*
86 * We wait this many seconds for the adapter to come ready if it is still
87 * booting
88 */
89#define AAC_BOOT_TIMEOUT	(3 * 60)
90
91/*
92 * Timeout for immediate commands.
93 */
94#define AAC_IMMEDIATE_TIMEOUT	30		/* seconds */
95
96/*
97 * Timeout for normal commands
98 */
99#define AAC_CMD_TIMEOUT		120		/* seconds */
100
101/*
102 * Rate at which we periodically check for timed out commands and kick the
103 * controller.
104 */
105#define AAC_PERIODIC_INTERVAL	20		/* seconds */
106
107/*
108 * Per-container data structure
109 */
110struct aac_container
111{
112	struct aac_mntobj		co_mntobj;
113	device_t			co_disk;
114	int				co_found;
115	TAILQ_ENTRY(aac_container)	co_link;
116};
117
118/*
119 * Per-SIM data structure
120 */
121struct aac_cam;
122struct aac_sim
123{
124	device_t		sim_dev;
125	int			TargetsPerBus;
126	int			BusNumber;
127	int			InitiatorBusId;
128	struct aac_softc	*aac_sc;
129	struct aac_cam		*aac_cam;
130	TAILQ_ENTRY(aac_sim)	sim_link;
131};
132
133/*
134 * Per-disk structure
135 */
136struct aac_disk
137{
138	device_t			ad_dev;
139	struct aac_softc		*ad_controller;
140	struct aac_container		*ad_container;
141	struct disk			*ad_disk;
142	int				ad_flags;
143#define AAC_DISK_OPEN	(1<<0)
144	int				ad_cylinders;
145	int				ad_heads;
146	int				ad_sectors;
147	u_int64_t			ad_size;
148	int				unit;
149};
150
151/*
152 * Per-command control structure.
153 */
154struct aac_command
155{
156	TAILQ_ENTRY(aac_command) cm_link;	/* list linkage */
157
158	struct aac_softc	*cm_sc;		/* controller that owns us */
159
160	struct aac_fib		*cm_fib;	/* FIB associated with this
161						 * command */
162	u_int64_t		cm_fibphys;	/* bus address of the FIB */
163	void			*cm_data;	/* pointer to data in kernel
164						 * space */
165	u_int32_t		cm_datalen;	/* data length */
166	bus_dmamap_t		cm_datamap;	/* DMA map for bio data */
167	struct aac_sg_table	*cm_sgtable;	/* pointer to s/g table in
168						 * command */
169	u_int			cm_flags;
170#define AAC_CMD_MAPPED		(1<<0)		/* command has had its data
171						 * mapped */
172#define AAC_CMD_DATAIN		(1<<1)		/* command involves data moving
173						 * from controller to host */
174#define AAC_CMD_DATAOUT		(1<<2)		/* command involves data moving
175						 * from host to controller */
176#define AAC_CMD_COMPLETED	(1<<3)		/* command has been completed */
177#define AAC_CMD_TIMEDOUT	(1<<4)		/* command taken too long */
178#define AAC_ON_AACQ_FREE	(1<<5)
179#define AAC_ON_AACQ_READY	(1<<6)
180#define AAC_ON_AACQ_BUSY	(1<<7)
181#define AAC_ON_AACQ_AIF		(1<<8)
182#define AAC_ON_AACQ_NORM	(1<<10)
183#define AAC_ON_AACQ_MASK	((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
184#define AAC_QUEUE_FRZN		(1<<9)		/* Freeze the processing of
185						 * commands on the queue. */
186#define	AAC_REQ_BIO		(1 << 11)
187#define	AAC_REQ_CCB		(1 << 12)
188
189	void			(*cm_complete)(struct aac_command *cm);
190	void			*cm_private;
191	time_t			cm_timestamp;	/* command creation time */
192	int			cm_queue;
193	int			cm_index;
194};
195
196struct aac_fibmap {
197	TAILQ_ENTRY(aac_fibmap) fm_link;	/* list linkage */
198	struct aac_fib		*aac_fibs;
199	bus_dmamap_t		aac_fibmap;
200	struct aac_command	*aac_commands;
201};
202
203/*
204 * We gather a number of adapter-visible items into a single structure.
205 *
206 * The ordering of this strucure may be important; we copy the Linux driver:
207 *
208 * Adapter FIBs
209 * Init struct
210 * Queue headers (Comm Area)
211 * Printf buffer
212 *
213 * In addition, we add:
214 * Sync Fib
215 */
216struct aac_common {
217	/* fibs for the controller to send us messages */
218	struct aac_fib		ac_fibs[AAC_ADAPTER_FIBS];
219
220	/* the init structure */
221	struct aac_adapter_init	ac_init;
222
223	/* arena within which the queue structures are kept */
224	u_int8_t		ac_qbuf[sizeof(struct aac_queue_table) +
225				AAC_QUEUE_ALIGN];
226
227	/* buffer for text messages from the controller */
228	char			ac_printf[AAC_PRINTF_BUFSIZE];
229
230	/* fib for synchronous commands */
231	struct aac_fib		ac_sync_fib;
232};
233
234/*
235 * Interface operations
236 */
237struct aac_interface
238{
239	int	(*aif_get_fwstatus)(struct aac_softc *sc);
240	void	(*aif_qnotify)(struct aac_softc *sc, int qbit);
241	int	(*aif_get_istatus)(struct aac_softc *sc);
242	void	(*aif_clr_istatus)(struct aac_softc *sc, int mask);
243	void	(*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
244				   u_int32_t arg0, u_int32_t arg1,
245				   u_int32_t arg2, u_int32_t arg3);
246	int	(*aif_get_mailbox)(struct aac_softc *sc, int mb);
247	void	(*aif_set_interrupts)(struct aac_softc *sc, int enable);
248	int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
249	int (*aif_get_outb_queue)(struct aac_softc *sc);
250	void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
251};
252extern const struct aac_interface	aac_rx_interface;
253extern const struct aac_interface	aac_sa_interface;
254extern const struct aac_interface	aac_fa_interface;
255extern const struct aac_interface	aac_rkt_interface;
256
257#define AAC_GET_FWSTATUS(sc)		((sc)->aac_if->aif_get_fwstatus((sc)))
258#define AAC_QNOTIFY(sc, qbit)		((sc)->aac_if->aif_qnotify((sc), (qbit)))
259#define AAC_GET_ISTATUS(sc)		((sc)->aac_if->aif_get_istatus((sc)))
260#define AAC_CLEAR_ISTATUS(sc, mask)	((sc)->aac_if->aif_clr_istatus((sc), \
261					(mask)))
262#define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
263	((sc)->aac_if->aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
264	(arg3)))
265#define AAC_GET_MAILBOX(sc, mb)		((sc)->aac_if->aif_get_mailbox((sc), \
266					(mb)))
267#define	AAC_MASK_INTERRUPTS(sc)		((sc)->aac_if->aif_set_interrupts((sc), \
268					0))
269#define AAC_UNMASK_INTERRUPTS(sc)	((sc)->aac_if->aif_set_interrupts((sc), \
270					1))
271#define AAC_SEND_COMMAND(sc, cm)	((sc)->aac_if->aif_send_command((sc), (cm)))
272#define AAC_GET_OUTB_QUEUE(sc)		((sc)->aac_if->aif_get_outb_queue((sc)))
273#define AAC_SET_OUTB_QUEUE(sc, idx)	((sc)->aac_if->aif_set_outb_queue((sc), (idx)))
274
275#define AAC_MEM0_SETREG4(sc, reg, val)	bus_space_write_4(sc->aac_btag0, \
276					sc->aac_bhandle0, reg, val)
277#define AAC_MEM0_GETREG4(sc, reg)	bus_space_read_4(sc->aac_btag0, \
278					sc->aac_bhandle0, reg)
279#define AAC_MEM0_SETREG2(sc, reg, val)	bus_space_write_2(sc->aac_btag0, \
280					sc->aac_bhandle0, reg, val)
281#define AAC_MEM0_GETREG2(sc, reg)	bus_space_read_2(sc->aac_btag0, \
282					sc->aac_bhandle0, reg)
283#define AAC_MEM0_SETREG1(sc, reg, val)	bus_space_write_1(sc->aac_btag0, \
284					sc->aac_bhandle0, reg, val)
285#define AAC_MEM0_GETREG1(sc, reg)	bus_space_read_1(sc->aac_btag0, \
286					sc->aac_bhandle0, reg)
287
288#define AAC_MEM1_SETREG4(sc, reg, val)	bus_space_write_4(sc->aac_btag1, \
289					sc->aac_bhandle1, reg, val)
290#define AAC_MEM1_GETREG4(sc, reg)	bus_space_read_4(sc->aac_btag1, \
291					sc->aac_bhandle1, reg)
292#define AAC_MEM1_SETREG2(sc, reg, val)	bus_space_write_2(sc->aac_btag1, \
293					sc->aac_bhandle1, reg, val)
294#define AAC_MEM1_GETREG2(sc, reg)	bus_space_read_2(sc->aac_btag1, \
295					sc->aac_bhandle1, reg)
296#define AAC_MEM1_SETREG1(sc, reg, val)	bus_space_write_1(sc->aac_btag1, \
297					sc->aac_bhandle1, reg, val)
298#define AAC_MEM1_GETREG1(sc, reg)	bus_space_read_1(sc->aac_btag1, \
299					sc->aac_bhandle1, reg)
300
301/* fib context (IOCTL) */
302struct aac_fib_context {
303	u_int32_t		unique;
304	int			ctx_idx;
305	int			ctx_wrap;
306	struct aac_fib_context *next, *prev;
307};
308
309/*
310 * Per-controller structure.
311 */
312struct aac_softc
313{
314	/* bus connections */
315	device_t		aac_dev;
316	struct resource		*aac_regs_res0, *aac_regs_res1; /* reg. if. window */
317	bus_space_handle_t	aac_bhandle0, aac_bhandle1;		/* bus space handle */
318	bus_space_tag_t		aac_btag0, aac_btag1;		/* bus space tag */
319	bus_dma_tag_t		aac_parent_dmat;	/* parent DMA tag */
320	bus_dma_tag_t		aac_buffer_dmat;	/* data buffer/command
321							 * DMA tag */
322	struct resource		*aac_irq;		/* interrupt */
323	void			*aac_intr;		/* interrupt handle */
324	eventhandler_tag	eh;
325
326	/* controller features, limits and status */
327	int			aac_state;
328#define AAC_STATE_SUSPEND	(1<<0)
329#define	AAC_STATE_UNUSED0	(1<<1)
330#define AAC_STATE_INTERRUPTS_ON	(1<<2)
331#define AAC_STATE_AIF_SLEEPER	(1<<3)
332	struct FsaRevision		aac_revision;
333
334	/* controller hardware interface */
335	int			aac_hwif;
336#define AAC_HWIF_I960RX		0
337#define AAC_HWIF_STRONGARM	1
338#define AAC_HWIF_RKT		3
339#define	AAC_HWIF_NARK		4
340#define AAC_HWIF_UNKNOWN	-1
341	bus_dma_tag_t		aac_common_dmat;	/* common structure
342							 * DMA tag */
343	bus_dmamap_t		aac_common_dmamap;	/* common structure
344							 * DMA map */
345	struct aac_common	*aac_common;
346	u_int32_t		aac_common_busaddr;
347	const struct aac_interface	*aac_if;
348
349	/* command/fib resources */
350	bus_dma_tag_t		aac_fib_dmat;	/* DMA tag for allocing FIBs */
351	TAILQ_HEAD(,aac_fibmap)	aac_fibmap_tqh;
352	u_int			total_fibs;
353	struct aac_command	*aac_commands;
354
355	/* command management */
356	TAILQ_HEAD(,aac_command) aac_free;	/* command structures
357						 * available for reuse */
358	TAILQ_HEAD(,aac_command) aac_ready;	/* commands on hold for
359						 * controller resources */
360	TAILQ_HEAD(,aac_command) aac_busy;
361	TAILQ_HEAD(,aac_event)	aac_ev_cmfree;
362	struct bio_queue_head	aac_bioq;
363	struct aac_queue_table	*aac_queues;
364	struct aac_queue_entry	*aac_qentries[AAC_QUEUE_COUNT];
365
366	struct aac_qstat	aac_qstat[AACQ_COUNT];	/* queue statistics */
367
368	/* connected containters */
369	TAILQ_HEAD(,aac_container)	aac_container_tqh;
370	struct mtx		aac_container_lock;
371
372	/*
373	 * The general I/O lock.  This protects the sync fib, the lists, the
374	 * queues, and the registers.
375	 */
376	struct mtx		aac_io_lock;
377
378	/* delayed activity infrastructure */
379	struct task		aac_task_complete;	/* deferred-completion
380							 * task */
381	struct intr_config_hook	aac_ich;
382
383	/* management interface */
384	struct cdev *aac_dev_t;
385	struct mtx		aac_aifq_lock;
386	struct aac_fib		aac_aifq[AAC_AIFQ_LENGTH];
387	int			aifq_idx;
388	int			aifq_filled;
389	struct aac_fib_context *fibctx;
390	struct selinfo		rcv_select;
391	struct proc		*aifthread;
392	int			aifflags;
393#define AAC_AIFFLAGS_RUNNING	(1 << 0)
394#define AAC_AIFFLAGS_UNUSED0	(1 << 1)
395#define	AAC_AIFFLAGS_EXIT	(1 << 2)
396#define AAC_AIFFLAGS_EXITED	(1 << 3)
397#define AAC_AIFFLAGS_UNUSED1	(1 << 4)
398#define	AAC_AIFFLAGS_ALLOCFIBS	(1 << 5)
399#define AAC_AIFFLAGS_PENDING	AAC_AIFFLAGS_ALLOCFIBS
400	u_int32_t		flags;
401#define AAC_FLAGS_PERC2QC	(1 << 0)
402#define	AAC_FLAGS_ENABLE_CAM	(1 << 1)	/* No SCSI passthrough */
403#define	AAC_FLAGS_CAM_NORESET	(1 << 2)	/* Fake SCSI resets */
404#define	AAC_FLAGS_CAM_PASSONLY	(1 << 3)	/* Only create pass devices */
405#define	AAC_FLAGS_SG_64BIT	(1 << 4)	/* Use 64-bit S/G addresses */
406#define	AAC_FLAGS_4GB_WINDOW	(1 << 5)	/* Device can access host mem
407						 * 2GB-4GB range */
408#define	AAC_FLAGS_NO4GB		(1 << 6)	/* Can't access host mem >2GB */
409#define	AAC_FLAGS_256FIBS	(1 << 7)	/* Can only do 256 commands */
410#define	AAC_FLAGS_BROKEN_MEMMAP (1 << 8)	/* Broken HostPhysMemPages */
411#define	AAC_FLAGS_SLAVE		(1 << 9)
412#define AAC_FLAGS_MASTER	(1 << 10)
413#define AAC_FLAGS_NEW_COMM	(1 << 11)	/* New comm. interface supported */
414#define AAC_FLAGS_RAW_IO	(1 << 12)	/* Raw I/O interface */
415#define AAC_FLAGS_ARRAY_64BIT	(1 << 13)	/* 64-bit array size */
416#define	AAC_FLAGS_LBA_64BIT	(1 << 14)	/* 64-bit LBA support */
417#define	AAC_FLAGS_NOMSI		(1U << 31)	/* Broken MSI */
418
419	u_int32_t		supported_options;
420	u_int32_t		scsi_method_id;
421	TAILQ_HEAD(,aac_sim)	aac_sim_tqh;
422
423	struct callout	aac_daemontime;		/* clock daemon callout */
424
425	u_int32_t	aac_max_fibs;		/* max. FIB count */
426	u_int32_t	aac_max_fibs_alloc;		/* max. alloc. per alloc_commands() */
427	u_int32_t	aac_max_fib_size;		/* max. FIB size */
428	u_int32_t	aac_sg_tablesize;		/* max. sg count from host */
429	u_int32_t	aac_max_sectors;		/* max. I/O size from host (blocks) */
430#define AAC_CAM_TARGET_WILDCARD ~0
431	void			(*cam_rescan_cb)(struct aac_softc *, uint32_t,
432				    uint32_t);
433};
434
435/*
436 * Event callback mechanism for the driver
437 */
438#define AAC_EVENT_NONE		0x00
439#define AAC_EVENT_CMFREE	0x01
440#define	AAC_EVENT_MASK		0xff
441#define AAC_EVENT_REPEAT	0x100
442
443typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
444    void *arg);
445struct aac_event {
446	TAILQ_ENTRY(aac_event)	ev_links;
447	int			ev_type;
448	aac_event_cb_t		*ev_callback;
449	void			*ev_arg;
450};
451
452/*
453 * Public functions
454 */
455extern void		aac_free(struct aac_softc *sc);
456extern int		aac_attach(struct aac_softc *sc);
457extern int		aac_detach(device_t dev);
458extern int		aac_shutdown(device_t dev);
459extern int		aac_suspend(device_t dev);
460extern int		aac_resume(device_t dev);
461extern void		aac_new_intr(void *arg);
462extern int		aac_filter(void *arg);
463extern void		aac_submit_bio(struct bio *bp);
464extern void		aac_biodone(struct bio *bp);
465extern void		aac_startio(struct aac_softc *sc);
466extern int		aac_alloc_command(struct aac_softc *sc,
467					  struct aac_command **cmp);
468extern void		aac_release_command(struct aac_command *cm);
469extern int		aac_sync_fib(struct aac_softc *sc, u_int32_t command,
470				     u_int32_t xferstate, struct aac_fib *fib,
471				     u_int16_t datasize);
472extern void		aac_add_event(struct aac_softc *sc, struct aac_event
473				      *event);
474
475#ifdef AAC_DEBUG
476extern int	aac_debug_enable;
477# define fwprintf(sc, flags, fmt, args...)				\
478do {									\
479	if (!aac_debug_enable)						\
480		break;							\
481	if (sc != NULL)							\
482		device_printf(((struct aac_softc *)sc)->aac_dev,	\
483		    "%s: " fmt "\n", __func__, ##args);			\
484	else								\
485		printf("%s: " fmt "\n", __func__, ##args);		\
486} while(0)
487
488extern void	aac_print_queues(struct aac_softc *sc);
489extern void	aac_panic(struct aac_softc *sc, char *reason);
490extern void	aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
491			      const char *caller);
492extern void	aac_print_aif(struct aac_softc *sc,
493			      struct aac_aif_command *aif);
494
495#define AAC_PRINT_FIB(sc, fib)	aac_print_fib(sc, fib, __func__)
496
497#else
498# define fwprintf(sc, flags, fmt, args...)
499
500# define aac_print_queues(sc)
501# define aac_panic(sc, reason)
502
503# define AAC_PRINT_FIB(sc, fib)
504# define aac_print_aif(sc, aac_aif_command)
505#endif
506
507struct aac_code_lookup {
508	const char	*string;
509	u_int32_t	code;
510};
511
512/*
513 * Queue primitives for driver queues.
514 */
515#define AACQ_ADD(sc, qname)					\
516	do {							\
517		struct aac_qstat *qs;				\
518								\
519		qs = &(sc)->aac_qstat[qname];			\
520								\
521		qs->q_length++;					\
522		if (qs->q_length > qs->q_max)			\
523			qs->q_max = qs->q_length;		\
524	} while (0)
525
526#define AACQ_REMOVE(sc, qname)    (sc)->aac_qstat[qname].q_length--
527#define AACQ_INIT(sc, qname)				\
528	do {						\
529		sc->aac_qstat[qname].q_length = 0;	\
530		sc->aac_qstat[qname].q_max = 0;		\
531	} while (0)
532
533#define AACQ_COMMAND_QUEUE(name, index)					\
534static __inline void							\
535aac_initq_ ## name (struct aac_softc *sc)				\
536{									\
537	TAILQ_INIT(&sc->aac_ ## name);					\
538	AACQ_INIT(sc, index);						\
539}									\
540static __inline void							\
541aac_enqueue_ ## name (struct aac_command *cm)				\
542{									\
543	if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {			\
544		panic("aac: command %p is on another queue, flags = %#x", \
545		    cm, cm->cm_flags);					\
546	}								\
547	TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link);	\
548	cm->cm_flags |= AAC_ON_ ## index;				\
549	AACQ_ADD(cm->cm_sc, index);					\
550}									\
551static __inline void							\
552aac_requeue_ ## name (struct aac_command *cm)				\
553{									\
554	if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {			\
555		panic("aac: command %p is on another queue, flags = %#x", \
556		    cm, cm->cm_flags);					\
557	}								\
558	TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link);	\
559	cm->cm_flags |= AAC_ON_ ## index;				\
560	AACQ_ADD(cm->cm_sc, index);					\
561}									\
562static __inline struct aac_command *					\
563aac_dequeue_ ## name (struct aac_softc *sc)				\
564{									\
565	struct aac_command *cm;						\
566									\
567	if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) {		\
568		if ((cm->cm_flags & AAC_ON_ ## index) == 0) {		\
569			panic("aac: command %p not in queue, flags = %#x, bit = %#x", \
570			    cm, cm->cm_flags, AAC_ON_ ## index);	\
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		panic("aac: command %p not in queue, flags = %#x, bit = %#x", \
583		    cm, cm->cm_flags, AAC_ON_ ## index);		\
584	}								\
585	TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link);		\
586	cm->cm_flags &= ~AAC_ON_ ## index;				\
587	AACQ_REMOVE(cm->cm_sc, index);					\
588}									\
589
590AACQ_COMMAND_QUEUE(free, AACQ_FREE);
591AACQ_COMMAND_QUEUE(ready, AACQ_READY);
592AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
593
594/*
595 * outstanding bio queue
596 */
597static __inline void
598aac_initq_bio(struct aac_softc *sc)
599{
600	bioq_init(&sc->aac_bioq);
601	AACQ_INIT(sc, AACQ_BIO);
602}
603
604static __inline void
605aac_enqueue_bio(struct aac_softc *sc, struct bio *bp)
606{
607	bioq_insert_tail(&sc->aac_bioq, bp);
608	AACQ_ADD(sc, AACQ_BIO);
609}
610
611static __inline struct bio *
612aac_dequeue_bio(struct aac_softc *sc)
613{
614	struct bio *bp;
615
616	if ((bp = bioq_first(&sc->aac_bioq)) != NULL) {
617		bioq_remove(&sc->aac_bioq, bp);
618		AACQ_REMOVE(sc, AACQ_BIO);
619	}
620	return(bp);
621}
622
623static __inline void
624aac_print_printf(struct aac_softc *sc)
625{
626	/*
627	 * XXX We have the ability to read the length of the printf string
628	 * from out of the mailboxes.
629	 */
630	device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
631		      sc->aac_common->ac_printf);
632	sc->aac_common->ac_printf[0] = 0;
633	AAC_QNOTIFY(sc, AAC_DB_PRINTF);
634}
635
636static __inline int
637aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
638{
639
640	mtx_assert(&sc->aac_io_lock, MA_OWNED);
641	*fib = &sc->aac_common->ac_sync_fib;
642	return (0);
643}
644
645static __inline void
646aac_release_sync_fib(struct aac_softc *sc)
647{
648
649	mtx_assert(&sc->aac_io_lock, MA_OWNED);
650}
651