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