Annotation of sys/dev/ic/aacvar.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: aacvar.h,v 1.7 2006/05/07 20:12:41 tedu Exp $ */
2:
3: /*-
4: * Copyright (c) 2000 Michael Smith
5: * Copyright (c) 2000 BSDi
6: * Copyright (c) 2000 Niklas Hallqvist
7: * All rights reserved.
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28: * SUCH DAMAGE.
29: *
30: * $FreeBSD: /c/ncvs/src/sys/dev/aac/aacvar.h,v 1.1 2000/09/13 03:20:34 msmith Exp $
31: */
32:
33: /*
34: * This driver would not have rewritten for OpenBSD if it was not for the
35: * hardware donation from Nocom. I want to thank them for their support.
36: * Of course, credit should go to Mike Smith for the original work he did
37: * in the FreeBSD driver where I found lots of inspiration.
38: * - Niklas Hallqvist
39: */
40:
41: /* compatability */
42: #define time_second (mono_time.tv_sec)
43:
44: /* Debugging */
45: // #define AAC_DEBUG 0x0
46:
47: #ifdef AAC_DEBUG
48: #define AAC_DPRINTF(mask, args) if (aac_debug & (mask)) printf args
49: #define AAC_D_INTR 0x001
50: #define AAC_D_MISC 0x002
51: #define AAC_D_CMD 0x004
52: #define AAC_D_QUEUE 0x008
53: #define AAC_D_IO 0x010
54: #define AAC_D_IOCTL 0x020
55: #define AAC_D_LOCK 0x040
56: #define AAC_D_THREAD 0x080
57: #define AAC_D_FIB 0x100
58: extern int aac_debug;
59:
60: #define AAC_PRINT_FIB(sc, fib) do { \
61: if (aac_debug & AAC_D_FIB) \
62: aac_print_fib((sc), (fib), __func__); \
63: } while (0)
64: #else
65: #define AAC_DPRINTF(mask, args)
66: #define AAC_PRINT_FIB(sc, fib)
67: #endif
68:
69: struct aac_code_lookup {
70: char *string;
71: u_int32_t code;
72: };
73:
74: struct aac_softc;
75:
76: /*
77: * We allocate a small set of FIBs for the adapter to use to send us messages.
78: */
79: #define AAC_ADAPTER_FIBS 8
80:
81: /*
82: * FIBs are allocated in page-size chunks and can grow up to the 512
83: * limit imposed by the hardware.
84: */
85: #define AAC_FIB_COUNT (PAGE_SIZE/sizeof(struct aac_fib))
86: #define AAC_MAX_FIBS 512
87: #define AAC_FIBMAP_SIZE (PAGE_SIZE)
88:
89: /*
90: * The controller reports status events in AIFs. We hang on to a number of
91: * these in order to pass them out to user-space management tools.
92: */
93: #define AAC_AIFQ_LENGTH 64
94:
95: /*
96: * Firmware messages are passed in the printf buffer.
97: */
98: #define AAC_PRINTF_BUFSIZE 256
99:
100: /*
101: * We wait this many seconds for the adapter to come ready if it is still
102: * booting.
103: */
104: #define AAC_BOOT_TIMEOUT (3 * 60)
105:
106: /*
107: * Timeout for immediate commands.
108: */
109: #define AAC_IMMEDIATE_TIMEOUT 30
110:
111: /*
112: * Timeout for normal commands
113: */
114: #define AAC_CMD_TIMEOUT 30 /* seconds */
115:
116: /*
117: * Rate at which we periodically check for timed out commands and kick the
118: * controller.
119: */
120: #define AAC_PERIODIC_INTERVAL 20 /* seconds */
121:
122: /*
123: * Wait this long for a lost interrupt to get detected.
124: */
125: #define AAC_WATCH_TIMEOUT 10000 /* 10000 * 1ms = 10s */
126:
127: /*
128: * Delay 20ms after the qnotify in sync operations. Experimentally deduced.
129: */
130: #define AAC_SYNC_DELAY 20000
131:
132: /*
133: * The firmware interface allows for a 16-bit s/g list length. We limit
134: * ourselves to a reasonable maximum and ensure alignment.
135: */
136: #define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */
137:
138: /*
139: * We gather a number of adapter-visible items into a single structure.
140: *
141: * The ordering of this structure may be important; we copy the Linux driver:
142: *
143: * Adapter FIBs
144: * Init struct
145: * Queue headers (Comm Area)
146: * Printf buffer
147: *
148: * In addition, we add:
149: * Sync Fib
150: */
151: struct aac_common {
152: /* fibs for the controller to send us messages */
153: struct aac_fib ac_fibs[AAC_ADAPTER_FIBS];
154:
155: /* the init structure */
156: struct aac_adapter_init ac_init;
157:
158: /* arena within which the queue structures are kept */
159: u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + AAC_QUEUE_ALIGN];
160:
161: /* buffer for text messages from the controller */
162: char ac_printf[AAC_PRINTF_BUFSIZE];
163:
164: /* fib for synchronous commands */
165: struct aac_fib ac_sync_fib;
166: };
167: #define AAC_COMMON_ALLOCSIZE (8192 + sizeof(struct aac_common))
168:
169: /*
170: * Interface operations
171: */
172: struct aac_interface {
173: int (*aif_get_fwstatus)(struct aac_softc *);
174: void (*aif_qnotify)(struct aac_softc *, int);
175: int (*aif_get_istatus)(struct aac_softc *);
176: void (*aif_set_istatus)(struct aac_softc *, int);
177: void (*aif_set_mailbox)(struct aac_softc *, u_int32_t,
178: u_int32_t, u_int32_t, u_int32_t, u_int32_t);
179: int (*aif_get_mailbox)(struct aac_softc *, int mb);
180: void (*aif_set_interrupts)(struct aac_softc *, int);
181: };
182: extern struct aac_interface aac_fa_interface;
183: extern struct aac_interface aac_sa_interface;
184: extern struct aac_interface aac_rx_interface;
185: extern struct aac_interface aac_rkt_interface;
186:
187: #define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus(sc))
188: #define AAC_QNOTIFY(sc, qbit) \
189: ((sc)->aac_if.aif_qnotify((sc), (qbit)))
190: #define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus(sc))
191: #define AAC_CLEAR_ISTATUS(sc, mask) \
192: ((sc)->aac_if.aif_set_istatus((sc), (mask)))
193: #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
194: do { \
195: ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), \
196: (arg1), (arg2), (arg3))); \
197: } while(0)
198: #define AAC_GET_MAILBOX(sc, mb) \
199: ((sc)->aac_if.aif_get_mailbox(sc, (mb)))
200: #define AAC_MASK_INTERRUPTS(sc) \
201: ((sc)->aac_if.aif_set_interrupts((sc), 0))
202: #define AAC_UNMASK_INTERRUPTS(sc) \
203: ((sc)->aac_if.aif_set_interrupts((sc), 1))
204:
205: #define AAC_SETREG4(sc, reg, val) \
206: bus_space_write_4((sc)->aac_memt, (sc)->aac_memh, (reg), (val))
207: #define AAC_GETREG4(sc, reg) \
208: bus_space_read_4((sc)->aac_memt, (sc)->aac_memh, (reg))
209: #define AAC_SETREG2(sc, reg, val) \
210: bus_space_write_2((sc)->aac_memt, (sc)->aac_memh, (reg), (val))
211: #define AAC_GETREG2(sc, reg) \
212: bus_space_read_2((sc)->aac_memt, (sc)->aac_memh, (reg))
213: #define AAC_SETREG1(sc, reg, val) \
214: bus_space_write_1((sc)->aac_memt, (sc)->aac_memh, (reg), (val))
215: #define AAC_GETREG1(sc, reg) \
216: bus_space_read_1((sc)->aac_memt, (sc)->aac_memh, (reg))
217:
218: /* Define the OS version specific locks */
219: typedef struct rwlock aac_lock_t;
220: #define AAC_LOCK_INIT(l, s) do { \
221: rw_init((l), "aaclock"); \
222: AAC_DPRINTF(AAC_D_LOCK, ("%s: init lock @%s: %d\n", \
223: sc->aac_dev.dv_xname, __FUNCTION__, __LINE__)); \
224: } while (0)
225:
226: #define AAC_LOCK_ACQUIRE(l) do { \
227: AAC_DPRINTF(AAC_D_LOCK, ("%s: lock @%s: %d\n", \
228: sc->aac_dev.dv_xname, __FUNCTION__, __LINE__)); \
229: rw_enter_write((l)); \
230: } while (0)
231:
232: #define AAC_LOCK_RELEASE(l) do { \
233: rw_exit_write((l)); \
234: AAC_DPRINTF(AAC_D_LOCK, ("%s: unlock @%s: %d\n", \
235: sc->aac_dev.dv_xname, __FUNCTION__, __LINE__)); \
236: } while (0)
237:
238: /*
239: * Per-container data structure
240: */
241: struct aac_container
242: {
243: struct aac_mntobj co_mntobj;
244: int co_found;
245: TAILQ_ENTRY(aac_container) co_link;
246: };
247:
248: /*
249: * A command contol block, one for each corresponding command index of the
250: * controller.
251: */
252: struct aac_command
253: {
254: TAILQ_ENTRY(aac_command) cm_link; /* list linkage */
255:
256: struct aac_softc *cm_sc; /* controller that owns us */
257:
258: struct aac_fib *cm_fib; /* FIB for this command */
259: bus_addr_t cm_fibphys; /* bus address of the FIB */
260: void *cm_data;
261: size_t cm_datalen;
262: bus_dmamap_t cm_datamap;
263: struct aac_sg_table *cm_sgtable; /* pointer to s/g table */
264:
265: u_int cm_flags;
266: #define AAC_CMD_MAPPED (1<<0) /* command has had its data mapped */
267: #define AAC_CMD_DATAIN (1<<1) /* command involves data moving
268: * from controller to host */
269: #define AAC_CMD_DATAOUT (1<<2) /* command involves data moving
270: * from host to controller */
271: #define AAC_CMD_COMPLETED (1<<3) /* command has been completed */
272: #define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */
273: #define AAC_ON_AACQ_FREE (1<<5)
274: #define AAC_ON_AACQ_READY (1<<6)
275: #define AAC_ON_AACQ_BUSY (1<<7)
276: #define AAC_ON_AACQ_BIO (1<<8)
277: #define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8))
278: #define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of
279: * commands on the queue. */
280: #define AAC_ACF_WATCHDOG (1<<10)
281:
282: void (*cm_complete)(struct aac_command *);
283: void *cm_private;
284: u_int32_t cm_blkno;
285: u_int32_t cm_bcount;
286: time_t cm_timestamp; /* command creation time */
287: int cm_queue;
288: int cm_index;
289: };
290:
291: struct aac_fibmap {
292: TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */
293: struct aac_fib *aac_fibs;
294: bus_dmamap_t aac_fibmap;
295: bus_dma_segment_t aac_seg;
296: int aac_nsegs;
297: struct aac_command *aac_commands;
298: };
299:
300: /*
301: * Command queue statistics
302: */
303: #define AACQ_FREE 0
304: #define AACQ_BIO 1
305: #define AACQ_READY 2
306: #define AACQ_BUSY 3
307: #define AACQ_COUNT 4 /* total number of queues */
308:
309: struct aac_qstat {
310: u_int32_t q_length;
311: u_int32_t q_max;
312: };
313:
314: /*
315: * Per-controller structure.
316: */
317: struct aac_softc
318: {
319: struct device aac_dev;
320: void *aac_ih;
321: struct scsi_link aac_link; /* Virtual SCSI bus for cache devs */
322:
323: bus_space_tag_t aac_memt;
324: bus_space_handle_t aac_memh;
325: bus_dma_tag_t aac_dmat; /* parent DMA tag */
326:
327: /* controller features, limits and status */
328: int aac_state;
329: #define AAC_STATE_SUSPEND (1<<0)
330: #define AAC_STATE_OPEN (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: int aac_hwif; /* controller hardware interface */
336: #define AAC_HWIF_I960RX 0
337: #define AAC_HWIF_STRONGARM 1
338: #define AAC_HWIF_FALCON 2
339: #define AAC_HWIF_RKT 3
340: #define AAC_HWIF_UNKNOWN -1
341:
342: struct aac_common *aac_common;
343: bus_dmamap_t aac_common_map;
344: u_int32_t aac_common_busaddr;
345: struct aac_interface aac_if;
346:
347: /* command/fib resources */
348: TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh;
349: u_int total_fibs;
350: struct aac_command *aac_commands;
351:
352: /* command management */
353: TAILQ_HEAD(,aac_command) aac_free; /* command structures
354: * available for reuse */
355: TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for
356: * controller resources */
357: TAILQ_HEAD(,aac_command) aac_busy;
358: TAILQ_HEAD(,aac_command) aac_bio;
359:
360: /* command management */
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: aac_lock_t aac_container_lock;
369:
370: /* Protect the sync fib */
371: #define AAC_SYNC_LOCK_FORCE (1 << 0)
372: aac_lock_t aac_sync_lock;
373:
374: aac_lock_t aac_io_lock;
375:
376: struct {
377: u_int8_t hd_present;
378: u_int8_t hd_is_logdrv;
379: u_int8_t hd_is_arraydrv;
380: u_int8_t hd_is_master;
381: u_int8_t hd_is_parity;
382: u_int8_t hd_is_hotfix;
383: u_int8_t hd_master_no;
384: u_int8_t hd_lock;
385: u_int8_t hd_heads;
386: u_int8_t hd_secs;
387: u_int16_t hd_devtype;
388: u_int32_t hd_size;
389: u_int8_t hd_ldr_no;
390: u_int8_t hd_rw_attribs;
391: u_int32_t hd_start_sec;
392: } aac_hdr[AAC_MAX_CONTAINERS];
393: int aac_container_count;
394:
395: /* management interface */
396: aac_lock_t aac_aifq_lock;
397: struct aac_aif_command aac_aifq[AAC_AIFQ_LENGTH];
398: int aac_aifq_head;
399: int aac_aifq_tail;
400: struct selinfo aac_select;
401: struct proc *aifthread;
402: int aifflags;
403: #define AAC_AIFFLAGS_RUNNING (1 << 0)
404: #define AAC_AIFFLAGS_AIF (1 << 1)
405: #define AAC_AIFFLAGS_EXIT (1 << 2)
406: #define AAC_AIFFLAGS_EXITED (1 << 3)
407: #define AAC_AIFFLAGS_COMPLETE (1 << 4)
408: #define AAC_AIFFLAGS_PRINTF (1 << 5)
409: #define AAC_AIFFLAGS_PENDING (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_COMPLETE | \
410: AAC_AIFFLAGS_PRINTF)
411:
412: u_int32_t flags;
413: #define AAC_FLAGS_PERC2QC (1 << 0)
414: #define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */
415: #define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */
416: #define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */
417: #define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */
418: #define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem
419: * 2GB-4GB range */
420: #define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB*/
421: #define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */
422: #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */
423:
424: u_int32_t supported_options;
425: int aac_max_fibs;
426: void *aac_sdh;
427: };
428:
429: /*
430: * Public functions
431: */
432: extern int aac_wait_command(struct aac_command *, int);
433: extern int aac_alloc_command(struct aac_softc *, struct aac_command **);
434: extern void aac_release_command(struct aac_command *);
435: extern int aac_alloc_sync_fib(struct aac_softc *, struct aac_fib **, int);
436: extern void aac_release_sync_fib(struct aac_softc *);
437: extern int aac_sync_fib(struct aac_softc *, u_int32_t, u_int32_t,
438: struct aac_fib *, u_int16_t);
439:
440: void aacminphys(struct buf *);
441: int aac_attach(struct aac_softc *);
442: int aac_intr(void *);
443:
444: /* These all require correctly aligned buffers */
445: static __inline__ void aac_enc16(u_int8_t *, u_int16_t);
446: static __inline__ void aac_enc32(u_int8_t *, u_int32_t);
447: static __inline__ u_int16_t aac_dec16(u_int8_t *);
448: static __inline__ u_int32_t aac_dec32(u_int8_t *);
449:
450: static __inline__ void
451: aac_enc16(addr, value)
452: u_int8_t *addr;
453: u_int16_t value;
454: {
455: *(u_int16_t *)addr = htole16(value);
456: }
457:
458: static __inline__ void
459: aac_enc32(addr, value)
460: u_int8_t *addr;
461: u_int32_t value;
462: {
463: *(u_int32_t *)addr = htole32(value);
464: }
465:
466: static __inline__ u_int16_t
467: aac_dec16(addr)
468: u_int8_t *addr;
469: {
470: return letoh16(*(u_int16_t *)addr);
471: }
472:
473: static __inline__ u_int32_t
474: aac_dec32(addr)
475: u_int8_t *addr;
476: {
477: return letoh32(*(u_int32_t *)addr);
478: }
479:
480: /* Declarations copied from aac.c */
481: #ifdef AAC_DEBUG
482: void aac_print_fib(struct aac_softc *, struct aac_fib *, const char *);
483: void aac_print_aif(struct aac_softc *, struct aac_aif_command *);
484: #endif
485: void aac_handle_aif(struct aac_softc *, struct aac_fib *);
486:
487:
488:
489:
490:
491: /*
492: * Queue primitives for driver queues.
493: */
494: #define AACQ_ADD(sc, qname) \
495: do { \
496: struct aac_qstat *qs; \
497: \
498: qs = &(sc)->aac_qstat[qname]; \
499: \
500: qs->q_length++; \
501: if (qs->q_length > qs->q_max) \
502: qs->q_max = qs->q_length; \
503: } while (0)
504:
505: #define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length--
506: #define AACQ_INIT(sc, qname) \
507: do { \
508: sc->aac_qstat[qname].q_length = 0; \
509: sc->aac_qstat[qname].q_max = 0; \
510: } while (0)
511:
512:
513: #define AACQ_COMMAND_QUEUE(name, index) \
514: static __inline void \
515: aac_initq_ ## name (struct aac_softc *sc) \
516: { \
517: TAILQ_INIT(&sc->aac_ ## name); \
518: AACQ_INIT(sc, index); \
519: } \
520: static __inline void \
521: aac_enqueue_ ## name (struct aac_command *cm) \
522: { \
523: AAC_DPRINTF(AAC_D_CMD, (": enqueue " #name)); \
524: if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \
525: printf("command %p is on another queue, flags = %#x\n", \
526: cm, cm->cm_flags); \
527: panic("command is on another queue"); \
528: } \
529: TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \
530: cm->cm_flags |= AAC_ON_ ## index; \
531: AACQ_ADD(cm->cm_sc, index); \
532: } \
533: static __inline void \
534: aac_requeue_ ## name (struct aac_command *cm) \
535: { \
536: AAC_DPRINTF(AAC_D_CMD, (": requeue " #name)); \
537: if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \
538: printf("command %p is on another queue, flags = %#x\n", \
539: cm, cm->cm_flags); \
540: panic("command is on another queue"); \
541: } \
542: TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \
543: cm->cm_flags |= AAC_ON_ ## index; \
544: AACQ_ADD(cm->cm_sc, index); \
545: } \
546: static __inline struct aac_command * \
547: aac_dequeue_ ## name (struct aac_softc *sc) \
548: { \
549: struct aac_command *cm; \
550: \
551: if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \
552: AAC_DPRINTF(AAC_D_CMD, (": dequeue " #name)); \
553: if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \
554: printf("dequeue - command %p not in queue, flags = %#x, " \
555: "bit = %#x\n", cm, cm->cm_flags, \
556: AAC_ON_ ## index); \
557: panic("command not in queue"); \
558: } \
559: TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \
560: cm->cm_flags &= ~AAC_ON_ ## index; \
561: AACQ_REMOVE(sc, index); \
562: } \
563: return(cm); \
564: } \
565: static __inline void \
566: aac_remove_ ## name (struct aac_command *cm) \
567: { \
568: AAC_DPRINTF(AAC_D_CMD, (": remove " #name)); \
569: if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \
570: printf("remove - command %p not in queue, flags = %#x, " \
571: "bit = %#x\n", cm, cm->cm_flags, \
572: AAC_ON_ ## index); \
573: panic("command not in queue"); \
574: } \
575: TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \
576: cm->cm_flags &= ~AAC_ON_ ## index; \
577: AACQ_REMOVE(cm->cm_sc, index); \
578: } \
579: struct hack
580:
581: AACQ_COMMAND_QUEUE(free, AACQ_FREE);
582: AACQ_COMMAND_QUEUE(ready, AACQ_READY);
583: AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
584: AACQ_COMMAND_QUEUE(bio, AACQ_BIO);
585:
586: static __inline void
587: aac_print_printf(struct aac_softc *sc)
588: {
589: /*
590: * XXX We have the ability to read the length of the printf string
591: * from out of the mailboxes.
592: */
593: printf("** %s: %.*s", sc->aac_dev.dv_xname, AAC_PRINTF_BUFSIZE,
594: sc->aac_common->ac_printf);
595: sc->aac_common->ac_printf[0] = 0;
596: AAC_QNOTIFY(sc, AAC_DB_PRINTF);
597: }
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