Clean up the namespace of <sys/timeb.h>.
[dragonfly.git] / sys / dev / raid / aac / aacvar.h
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 258780 2013-11-30 22:17:27Z eadler $
30  */
31
32 #include <sys/bio.h>
33 #include <sys/callout.h>
34 #include <sys/lock.h>
35 #include <sys/taskqueue.h>
36 #include <sys/buf2.h>
37 #include <sys/devicestat.h>
38 #include <sys/disk.h>
39 #include <sys/eventhandler.h>
40 #include <sys/sysctl.h>
41
42 SYSCTL_DECL(_hw_aac);
43
44 #define AAC_TYPE_DEVO                   1
45 #define AAC_TYPE_ALPHA                  2
46 #define AAC_TYPE_BETA                   3
47 #define AAC_TYPE_RELEASE                4
48
49 #define AAC_DRIVER_MAJOR_VERSION        2
50 #define AAC_DRIVER_MINOR_VERSION        1
51 #define AAC_DRIVER_BUGFIX_LEVEL         9
52 #define AAC_DRIVER_TYPE                 AAC_TYPE_RELEASE
53
54 #ifndef AAC_DRIVER_BUILD
55 # define AAC_DRIVER_BUILD 1
56 #endif
57
58 /*
59  * Driver Parameter Definitions
60  */
61
62 /*
63  * The firmware interface allows for a 16-bit s/g list length.  We limit
64  * ourselves to a reasonable maximum and ensure alignment.
65  */
66 #define AAC_MAXSGENTRIES        64      /* max S/G entries, limit 65535 */
67
68 /*
69  * We allocate a small set of FIBs for the adapter to use to send us messages.
70  */
71 #define AAC_ADAPTER_FIBS        8
72
73 /*
74  * The controller reports status events in AIFs.  We hang on to a number of
75  * these in order to pass them out to user-space management tools.
76  */
77 #define AAC_AIFQ_LENGTH         64
78
79 /*
80  * Firmware messages are passed in the kprintf buffer.
81  */
82 #define AAC_PRINTF_BUFSIZE      256
83
84 /*
85  * We wait this many seconds for the adapter to come ready if it is still
86  * booting
87  */
88 #define AAC_BOOT_TIMEOUT        (3 * 60)
89
90 /*
91  * Timeout for immediate commands.
92  */
93 #define AAC_IMMEDIATE_TIMEOUT   30              /* seconds */
94
95 /*
96  * Timeout for normal commands
97  */
98 #define AAC_CMD_TIMEOUT         120             /* seconds */
99
100 /*
101  * Rate at which we periodically check for timed out commands and kick the
102  * controller.
103  */
104 #define AAC_PERIODIC_INTERVAL   20              /* seconds */
105
106 /*
107  * Per-container data structure
108  */
109 struct aac_container
110 {
111         struct aac_mntobj               co_mntobj;
112         device_t                        co_disk;
113         int                             co_found;
114         TAILQ_ENTRY(aac_container)      co_link;
115 };
116
117 /*
118  * Per-SIM data structure
119  */
120 struct aac_cam;
121 struct aac_sim
122 {
123         device_t                sim_dev;
124         int                     TargetsPerBus;
125         int                     BusNumber;
126         int                     InitiatorBusId;
127         struct aac_softc        *aac_sc;
128         struct aac_cam          *aac_cam;
129         TAILQ_ENTRY(aac_sim)    sim_link;
130 };
131
132 /*
133  * Per-disk structure
134  */
135 struct aac_disk
136 {
137         device_t                        ad_dev;
138         cdev_t                          ad_dev_t;
139         struct aac_softc                *ad_controller;
140         struct aac_container            *ad_container;
141         struct disk                     ad_disk;
142         struct devstat                  ad_stats;
143         int                             ad_flags;
144 #define AAC_DISK_OPEN   (1<<0)
145         int                             ad_cylinders;
146         int                             ad_heads;
147         int                             ad_sectors;
148         u_int64_t                       ad_size;
149         int                             unit;
150 };
151
152 /*
153  * Per-command control structure.
154  */
155 struct aac_command
156 {
157         TAILQ_ENTRY(aac_command) cm_link;       /* list linkage */
158
159         struct aac_softc        *cm_sc;         /* controller that owns us */
160
161         struct aac_fib          *cm_fib;        /* FIB associated with this
162                                                  * command */
163         u_int64_t               cm_fibphys;     /* bus address of the FIB */
164         void                    *cm_data;       /* pointer to data in kernel
165                                                  * space */
166         u_int32_t               cm_datalen;     /* data length */
167         bus_dmamap_t            cm_datamap;     /* DMA map for bio data */
168         struct aac_sg_table     *cm_sgtable;    /* pointer to s/g table in
169                                                  * command */
170         u_int                   cm_flags;
171 #define AAC_CMD_MAPPED          (1<<0)          /* command has had its data
172                                                  * mapped */
173 #define AAC_CMD_DATAIN          (1<<1)          /* command involves data moving
174                                                  * from controller to host */
175 #define AAC_CMD_DATAOUT         (1<<2)          /* command involves data moving
176                                                  * from host to controller */
177 #define AAC_CMD_COMPLETED       (1<<3)          /* command has been completed */
178 #define AAC_CMD_TIMEDOUT        (1<<4)          /* command taken too long */
179 #define AAC_ON_AACQ_FREE        (1<<5)
180 #define AAC_ON_AACQ_READY       (1<<6)
181 #define AAC_ON_AACQ_BUSY        (1<<7)
182 #define AAC_ON_AACQ_AIF         (1<<8)
183 #define AAC_ON_AACQ_NORM        (1<<10)
184 #define AAC_ON_AACQ_MASK        ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
185 #define AAC_QUEUE_FRZN          (1<<9)          /* Freeze the processing of
186                                                  * commands on the queue. */
187
188         void                    (*cm_complete)(struct aac_command *cm);
189         void                    *cm_private;
190         time_t                  cm_timestamp;   /* command creation time */
191         int                     cm_queue;
192         int                     cm_index;
193 };
194
195 struct aac_fibmap {
196         TAILQ_ENTRY(aac_fibmap) fm_link;        /* list linkage */
197         struct aac_fib          *aac_fibs;
198         bus_dmamap_t            aac_fibmap;
199         struct aac_command      *aac_commands;
200 };
201
202 /*
203  * We gather a number of adapter-visible items into a single structure.
204  *
205  * The ordering of this strucure may be important; we copy the Linux driver:
206  *
207  * Adapter FIBs
208  * Init struct
209  * Queue headers (Comm Area)
210  * Printf buffer
211  *
212  * In addition, we add:
213  * Sync Fib
214  */
215 struct aac_common {
216         /* fibs for the controller to send us messages */
217         struct aac_fib          ac_fibs[AAC_ADAPTER_FIBS];
218
219         /* the init structure */
220         struct aac_adapter_init ac_init;
221
222         /* arena within which the queue structures are kept */
223         u_int8_t                ac_qbuf[sizeof(struct aac_queue_table) +
224                                 AAC_QUEUE_ALIGN];
225
226         /* buffer for text messages from the controller */
227         char                    ac_printf[AAC_PRINTF_BUFSIZE];
228
229         /* fib for synchronous commands */
230         struct aac_fib          ac_sync_fib;
231 };
232
233 /*
234  * Interface operations
235  */
236 struct aac_interface
237 {
238         int     (*aif_get_fwstatus)(struct aac_softc *sc);
239         void    (*aif_qnotify)(struct aac_softc *sc, int qbit);
240         int     (*aif_get_istatus)(struct aac_softc *sc);
241         void    (*aif_clr_istatus)(struct aac_softc *sc, int mask);
242         void    (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
243                                    u_int32_t arg0, u_int32_t arg1,
244                                    u_int32_t arg2, u_int32_t arg3);
245         int     (*aif_get_mailbox)(struct aac_softc *sc, int mb);
246         void    (*aif_set_interrupts)(struct aac_softc *sc, int enable);
247         int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
248         int (*aif_get_outb_queue)(struct aac_softc *sc);
249         void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
250 };
251 extern const struct aac_interface       aac_rx_interface;
252 extern const struct aac_interface       aac_sa_interface;
253 extern const struct aac_interface       aac_rkt_interface;
254
255 #define AAC_GET_FWSTATUS(sc)            ((sc)->aac_if->aif_get_fwstatus((sc)))
256 #define AAC_QNOTIFY(sc, qbit)           ((sc)->aac_if->aif_qnotify((sc), (qbit)))
257 #define AAC_GET_ISTATUS(sc)             ((sc)->aac_if->aif_get_istatus((sc)))
258 #define AAC_CLEAR_ISTATUS(sc, mask)     ((sc)->aac_if->aif_clr_istatus((sc), \
259                                         (mask)))
260 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
261         ((sc)->aac_if->aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
262         (arg3)))
263 #define AAC_GET_MAILBOX(sc, mb)         ((sc)->aac_if->aif_get_mailbox((sc), \
264                                         (mb)))
265 #define AAC_MASK_INTERRUPTS(sc)         ((sc)->aac_if->aif_set_interrupts((sc), \
266                                         0))
267 #define AAC_UNMASK_INTERRUPTS(sc)       ((sc)->aac_if->aif_set_interrupts((sc), \
268                                         1))
269 #define AAC_SEND_COMMAND(sc, cm)        ((sc)->aac_if->aif_send_command((sc), (cm)))
270 #define AAC_GET_OUTB_QUEUE(sc)          ((sc)->aac_if->aif_get_outb_queue((sc)))
271 #define AAC_SET_OUTB_QUEUE(sc, idx)     ((sc)->aac_if->aif_set_outb_queue((sc), (idx)))
272
273 #define AAC_MEM0_SETREG4(sc, reg, val)  bus_space_write_4(sc->aac_btag0, \
274                                         sc->aac_bhandle0, reg, val)
275 #define AAC_MEM0_GETREG4(sc, reg)       bus_space_read_4(sc->aac_btag0, \
276                                         sc->aac_bhandle0, reg)
277 #define AAC_MEM0_SETREG2(sc, reg, val)  bus_space_write_2(sc->aac_btag0, \
278                                         sc->aac_bhandle0, reg, val)
279 #define AAC_MEM0_GETREG2(sc, reg)       bus_space_read_2(sc->aac_btag0, \
280                                         sc->aac_bhandle0, reg)
281 #define AAC_MEM0_SETREG1(sc, reg, val)  bus_space_write_1(sc->aac_btag0, \
282                                         sc->aac_bhandle0, reg, val)
283 #define AAC_MEM0_GETREG1(sc, reg)       bus_space_read_1(sc->aac_btag0, \
284                                         sc->aac_bhandle0, reg)
285
286 #define AAC_MEM1_SETREG4(sc, reg, val)  bus_space_write_4(sc->aac_btag1, \
287                                         sc->aac_bhandle1, reg, val)
288 #define AAC_MEM1_GETREG4(sc, reg)       bus_space_read_4(sc->aac_btag1, \
289                                         sc->aac_bhandle1, reg)
290 #define AAC_MEM1_SETREG2(sc, reg, val)  bus_space_write_2(sc->aac_btag1, \
291                                         sc->aac_bhandle1, reg, val)
292 #define AAC_MEM1_GETREG2(sc, reg)       bus_space_read_2(sc->aac_btag1, \
293                                         sc->aac_bhandle1, reg)
294 #define AAC_MEM1_SETREG1(sc, reg, val)  bus_space_write_1(sc->aac_btag1, \
295                                         sc->aac_bhandle1, reg, val)
296 #define AAC_MEM1_GETREG1(sc, reg)       bus_space_read_1(sc->aac_btag1, \
297                                         sc->aac_bhandle1, reg)
298
299 /* fib context (IOCTL) */
300 struct aac_fib_context {
301         u_int32_t               unique;
302         int                     ctx_idx;
303         int                     ctx_wrap;
304         struct aac_fib_context *next, *prev;
305 };
306
307 /*
308  * Per-controller structure.
309  */
310 struct aac_softc
311 {
312         /* bus connections */
313         device_t                aac_dev;
314         struct resource         *aac_regs_res0, *aac_regs_res1; /* reg. if. window */
315         bus_space_handle_t      aac_bhandle0, aac_bhandle1;             /* bus space handle */
316         bus_space_tag_t         aac_btag0, aac_btag1;           /* bus space tag */
317         bus_dma_tag_t           aac_parent_dmat;        /* parent DMA tag */
318         bus_dma_tag_t           aac_buffer_dmat;        /* data buffer/command
319                                                          * DMA tag */
320
321         struct resource         *aac_irq;               /* interrupt */
322         void                    *aac_intr;              /* interrupt handle */
323         int                     aac_irq_rid;
324         int                     aac_irq_type;
325         eventhandler_tag        eh;
326
327         /* controller features, limits and status */
328         int                     aac_state;
329 #define AAC_STATE_SUSPEND       (1<<0)
330 #define AAC_STATE_UNUSED0       (1<<1)
331 #define AAC_STATE_INTERRUPTS_ON (1<<2)
332 #define AAC_STATE_AIF_SLEEPER   (1<<3)
333         struct FsaRevision              aac_revision;
334
335         /* controller hardware interface */
336         int                     aac_hwif;
337 #define AAC_HWIF_I960RX         0
338 #define AAC_HWIF_STRONGARM      1
339 #define AAC_HWIF_RKT            3
340 #define AAC_HWIF_NARK           4
341 #define AAC_HWIF_UNKNOWN        -1
342         bus_dma_tag_t           aac_common_dmat;        /* common structure
343                                                          * DMA tag */
344         bus_dmamap_t            aac_common_dmamap;      /* common structure
345                                                          * DMA map */
346         struct aac_common       *aac_common;
347         u_int32_t               aac_common_busaddr;
348         const struct aac_interface      *aac_if;
349
350         /* command/fib resources */
351         bus_dma_tag_t           aac_fib_dmat;   /* DMA tag for allocing FIBs */
352         TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh;
353         u_int                   total_fibs;
354         struct aac_command      *aac_commands;
355
356         /* command management */
357         TAILQ_HEAD(,aac_command) aac_free;      /* command structures
358                                                  * available for reuse */
359         TAILQ_HEAD(,aac_command) aac_ready;     /* commands on hold for
360                                                  * controller resources */
361         TAILQ_HEAD(,aac_command) aac_busy;
362         TAILQ_HEAD(,aac_event)  aac_ev_cmfree;
363         struct bio_queue_head   aac_bioq;
364         struct aac_queue_table  *aac_queues;
365         struct aac_queue_entry  *aac_qentries[AAC_QUEUE_COUNT];
366
367         struct aac_qstat        aac_qstat[AACQ_COUNT];  /* queue statistics */
368
369         /* connected containters */
370         TAILQ_HEAD(,aac_container)      aac_container_tqh;
371         struct lock             aac_container_lock;
372
373         /*
374          * The general I/O lock.  This protects the sync fib, the lists, the
375          * queues, and the registers.
376          */
377         struct lock             aac_io_lock;
378
379         /* delayed activity infrastructure */
380         struct task             aac_task_complete;      /* deferred-completion
381                                                          * task */
382         struct intr_config_hook aac_ich;
383
384         /* management interface */
385         struct cdev *aac_dev_t;
386         struct lock             aac_aifq_lock;
387         struct aac_fib          aac_aifq[AAC_AIFQ_LENGTH];
388         int                     aifq_idx;
389         int                     aifq_filled;
390         struct aac_fib_context *fibctx;
391         struct kqinfo           rcv_kq;
392         struct thread           *aifthread;
393         int                     aifflags;
394 #define AAC_AIFFLAGS_RUNNING    (1 << 0)
395 #define AAC_AIFFLAGS_UNUSED0    (1 << 1)
396 #define AAC_AIFFLAGS_EXIT       (1 << 2)
397 #define AAC_AIFFLAGS_EXITED     (1 << 3)
398 #define AAC_AIFFLAGS_UNUSED1    (1 << 4)
399 #define AAC_AIFFLAGS_ALLOCFIBS  (1 << 5)
400 #define AAC_AIFFLAGS_PENDING    AAC_AIFFLAGS_ALLOCFIBS
401         u_int32_t               flags;
402 #define AAC_FLAGS_PERC2QC       (1 << 0)
403 #define AAC_FLAGS_ENABLE_CAM    (1 << 1)        /* No SCSI passthrough */
404 #define AAC_FLAGS_CAM_NORESET   (1 << 2)        /* Fake SCSI resets */
405 #define AAC_FLAGS_CAM_PASSONLY  (1 << 3)        /* Only create pass devices */
406 #define AAC_FLAGS_SG_64BIT      (1 << 4)        /* Use 64-bit S/G addresses */
407 #define AAC_FLAGS_4GB_WINDOW    (1 << 5)        /* Device can access host mem
408                                                  * 2GB-4GB range */
409 #define AAC_FLAGS_NO4GB         (1 << 6)        /* Can't access host mem >2GB */
410 #define AAC_FLAGS_256FIBS       (1 << 7)        /* Can only do 256 commands */
411 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8)        /* Broken HostPhysMemPages */
412 #define AAC_FLAGS_SLAVE         (1 << 9)
413 #define AAC_FLAGS_MASTER        (1 << 10)
414 #define AAC_FLAGS_NEW_COMM      (1 << 11)       /* New comm. interface supported */
415 #define AAC_FLAGS_RAW_IO        (1 << 12)       /* Raw I/O interface */
416 #define AAC_FLAGS_ARRAY_64BIT   (1 << 13)       /* 64-bit array size */
417 #define AAC_FLAGS_LBA_64BIT     (1 << 14)       /* 64-bit LBA support */
418 #define AAC_FLAGS_NOMSI         (1U << 31)      /* Broken MSI */
419
420         u_int32_t               supported_options;
421         u_int32_t               scsi_method_id;
422         TAILQ_HEAD(,aac_sim)    aac_sim_tqh;
423
424         struct callout  aac_daemontime;         /* clock daemon callout */
425
426         u_int32_t       aac_max_fibs;           /* max. FIB count */
427         u_int32_t       aac_max_fibs_alloc;             /* max. alloc. per alloc_commands() */
428         u_int32_t       aac_max_fib_size;               /* max. FIB size */
429         u_int32_t       aac_sg_tablesize;               /* max. sg count from host */
430         u_int32_t       aac_max_sectors;                /* max. I/O size from host (blocks) */
431 #define AAC_CAM_TARGET_WILDCARD ~0
432         void                    (*cam_rescan_cb)(struct aac_softc *, uint32_t,
433                                     uint32_t);
434 };
435
436 /*
437  * Event callback mechanism for the driver
438  */
439 #define AAC_EVENT_NONE          0x00
440 #define AAC_EVENT_CMFREE        0x01
441 #define AAC_EVENT_MASK          0xff
442 #define AAC_EVENT_REPEAT        0x100
443
444 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
445     void *arg);
446 struct aac_event {
447         TAILQ_ENTRY(aac_event)  ev_links;
448         int                     ev_type;
449         aac_event_cb_t          *ev_callback;
450         void                    *ev_arg;
451 };
452
453 /*
454  * Public functions
455  */
456 extern void             aac_free(struct aac_softc *sc);
457 extern int              aac_attach(struct aac_softc *sc);
458 extern int              aac_detach(device_t dev);
459 extern int              aac_shutdown(device_t dev);
460 extern int              aac_suspend(device_t dev);
461 extern int              aac_resume(device_t dev);
462 extern void             aac_new_intr(void *arg);
463 extern void             aac_filter(void *arg);
464 extern void             aac_submit_bio(struct aac_disk *ad, struct bio *bio);
465 extern void             aac_biodone(struct bio *bio, const char *code);
466 extern void             aac_startio(struct aac_softc *sc);
467 extern int              aac_alloc_command(struct aac_softc *sc,
468                                           struct aac_command **cmp);
469 extern void             aac_release_command(struct aac_command *cm);
470 extern int              aac_sync_fib(struct aac_softc *sc, u_int32_t command,
471                                      u_int32_t xferstate, struct aac_fib *fib,
472                                      u_int16_t datasize);
473 extern void             aac_add_event(struct aac_softc *sc, struct aac_event
474                                       *event);
475
476 #ifdef AAC_DEBUG
477 extern int      aac_debug_enable;
478 # define fwprintf(sc, flags, fmt, args...)                              \
479 do {                                                                    \
480         if (!aac_debug_enable)                                          \
481                 break;                                                  \
482         if (sc != NULL)                                                 \
483                 device_printf(((struct aac_softc *)sc)->aac_dev,        \
484                     "%s: " fmt "\n", __func__, ##args);                 \
485         else                                                            \
486                 kprintf("%s: " fmt "\n", __func__, ##args);             \
487 } while(0)
488
489 extern void     aac_print_queues(struct aac_softc *sc);
490 extern void     aac_panic(struct aac_softc *sc, char *reason);
491 extern void     aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
492                               const char *caller);
493 extern void     aac_print_aif(struct aac_softc *sc,
494                               struct aac_aif_command *aif);
495
496 #define AAC_PRINT_FIB(sc, fib)  aac_print_fib(sc, fib, __func__)
497
498 #else
499 # define fwprintf(sc, flags, fmt, args...)
500
501 # define aac_print_queues(sc)
502 # define aac_panic(sc, reason)
503
504 # define AAC_PRINT_FIB(sc, fib)
505 # define aac_print_aif(sc, aac_aif_command)
506 #endif
507
508 struct aac_code_lookup {
509         const char      *string;
510         u_int32_t       code;
511 };
512
513 /*
514  * Queue primitives for driver queues.
515  */
516 #define AACQ_ADD(sc, qname)                                     \
517         do {                                                    \
518                 struct aac_qstat *qs;                           \
519                                                                 \
520                 qs = &(sc)->aac_qstat[qname];                   \
521                                                                 \
522                 qs->q_length++;                                 \
523                 if (qs->q_length > qs->q_max)                   \
524                         qs->q_max = qs->q_length;               \
525         } while (0)
526
527 #define AACQ_REMOVE(sc, qname)    (sc)->aac_qstat[qname].q_length--
528 #define AACQ_INIT(sc, qname)                            \
529         do {                                            \
530                 sc->aac_qstat[qname].q_length = 0;      \
531                 sc->aac_qstat[qname].q_max = 0;         \
532         } while (0)
533
534 #define AACQ_COMMAND_QUEUE(name, index)                                 \
535 static __inline void                                                    \
536 aac_initq_ ## name (struct aac_softc *sc)                               \
537 {                                                                       \
538         TAILQ_INIT(&sc->aac_ ## name);                                  \
539         AACQ_INIT(sc, index);                                           \
540 }                                                                       \
541 static __inline void                                                    \
542 aac_enqueue_ ## name (struct aac_command *cm)                           \
543 {                                                                       \
544         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
545                 panic("aac: command %p is on another queue, flags = %#x", \
546                     cm, cm->cm_flags);                                  \
547         }                                                               \
548         TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
549         cm->cm_flags |= AAC_ON_ ## index;                               \
550         AACQ_ADD(cm->cm_sc, index);                                     \
551 }                                                                       \
552 static __inline void                                                    \
553 aac_requeue_ ## name (struct aac_command *cm)                           \
554 {                                                                       \
555         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
556                 panic("aac: command %p is on another queue, flags = %#x", \
557                     cm, cm->cm_flags);                                  \
558         }                                                               \
559         TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
560         cm->cm_flags |= AAC_ON_ ## index;                               \
561         AACQ_ADD(cm->cm_sc, index);                                     \
562 }                                                                       \
563 static __inline struct aac_command *                                    \
564 aac_dequeue_ ## name (struct aac_softc *sc)                             \
565 {                                                                       \
566         struct aac_command *cm;                                         \
567                                                                         \
568         if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) {            \
569                 if ((cm->cm_flags & AAC_ON_ ## index) == 0) {           \
570                         panic("aac: command %p not in queue, flags = %#x, bit = %#x", \
571                             cm, cm->cm_flags, AAC_ON_ ## index);        \
572                 }                                                       \
573                 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link);           \
574                 cm->cm_flags &= ~AAC_ON_ ## index;                      \
575                 AACQ_REMOVE(sc, index);                                 \
576         }                                                               \
577         return(cm);                                                     \
578 }                                                                       \
579 static __inline void                                                    \
580 aac_remove_ ## name (struct aac_command *cm)                            \
581 {                                                                       \
582         if ((cm->cm_flags & AAC_ON_ ## index) == 0) {                   \
583                 panic("aac: command %p not in queue, flags = %#x, bit = %#x", \
584                     cm, cm->cm_flags, AAC_ON_ ## index);                \
585         }                                                               \
586         TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link);            \
587         cm->cm_flags &= ~AAC_ON_ ## index;                              \
588         AACQ_REMOVE(cm->cm_sc, index);                                  \
589 }
590
591 AACQ_COMMAND_QUEUE(free, AACQ_FREE);
592 AACQ_COMMAND_QUEUE(ready, AACQ_READY);
593 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
594
595 /*
596  * outstanding bio queue
597  */
598 static __inline void
599 aac_initq_bio(struct aac_softc *sc)
600 {
601         bioq_init(&sc->aac_bioq);
602         AACQ_INIT(sc, AACQ_BIO);
603 }
604
605 static __inline void
606 aac_enqueue_bio(struct aac_softc *sc, struct bio *bio)
607 {
608         bioq_insert_tail(&sc->aac_bioq, bio);
609         AACQ_ADD(sc, AACQ_BIO);
610 }
611
612 static __inline struct bio *
613 aac_dequeue_bio(struct aac_softc *sc)
614 {
615         struct bio *bio;
616
617         if ((bio = bioq_first(&sc->aac_bioq)) != NULL) {
618                 bioq_remove(&sc->aac_bioq, bio);
619                 AACQ_REMOVE(sc, AACQ_BIO);
620         }
621         return(bio);
622 }
623
624 static __inline void
625 aac_print_printf(struct aac_softc *sc)
626 {
627         /*
628          * XXX We have the ability to read the length of the kprintf string
629          * from out of the mailboxes.
630          */
631         device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
632                       sc->aac_common->ac_printf);
633         sc->aac_common->ac_printf[0] = 0;
634         AAC_QNOTIFY(sc, AAC_DB_PRINTF);
635 }
636
637 static __inline int
638 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
639 {
640
641         KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
642         *fib = &sc->aac_common->ac_sync_fib;
643         return (0);
644 }
645 static __inline void
646 aac_release_sync_fib(struct aac_softc *sc)
647 {
648
649         KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
650 }
651