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
aac_initq_bio(struct aac_softc * sc)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
aac_enqueue_bio(struct aac_softc * sc,struct bio * bio)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 *
aac_dequeue_bio(struct aac_softc * sc)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
aac_print_printf(struct aac_softc * sc)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
aac_alloc_sync_fib(struct aac_softc * sc,struct aac_fib ** fib)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
aac_release_sync_fib(struct aac_softc * sc)646 aac_release_sync_fib(struct aac_softc *sc)
647 {
648
649 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
650 }
651
652