2 * Copyright (c) 2000 Michael Smith
3 * Copyright (c) 2001 Scott Long
4 * Copyright (c) 2000 BSDi
5 * Copyright (c) 2001 Adaptec, Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
29 * $FreeBSD: src/sys/dev/aac/aacvar.h,v 1.63 2011/06/10 20:23:56 attilio Exp $
33 #include <sys/callout.h>
35 #include <sys/taskqueue.h>
37 #include <sys/devicestat.h>
39 #include <sys/eventhandler.h>
40 #include <sys/sysctl.h>
42 #define AAC_TYPE_DEVO 1
43 #define AAC_TYPE_ALPHA 2
44 #define AAC_TYPE_BETA 3
45 #define AAC_TYPE_RELEASE 4
47 #define AAC_DRIVER_MAJOR_VERSION 2
48 #define AAC_DRIVER_MINOR_VERSION 1
49 #define AAC_DRIVER_BUGFIX_LEVEL 9
50 #define AAC_DRIVER_TYPE AAC_TYPE_RELEASE
52 #ifndef AAC_DRIVER_BUILD
53 # define AAC_DRIVER_BUILD 1
57 * Driver Parameter Definitions
61 * The firmware interface allows for a 16-bit s/g list length. We limit
62 * ourselves to a reasonable maximum and ensure alignment.
64 #define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */
67 * We allocate a small set of FIBs for the adapter to use to send us messages.
69 #define AAC_ADAPTER_FIBS 8
72 * The controller reports status events in AIFs. We hang on to a number of
73 * these in order to pass them out to user-space management tools.
75 #define AAC_AIFQ_LENGTH 64
78 * Firmware messages are passed in the kprintf buffer.
80 #define AAC_PRINTF_BUFSIZE 256
83 * We wait this many seconds for the adapter to come ready if it is still
86 #define AAC_BOOT_TIMEOUT (3 * 60)
89 * Timeout for immediate commands.
91 #define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */
94 * Timeout for normal commands
96 #define AAC_CMD_TIMEOUT 120 /* seconds */
99 * Rate at which we periodically check for timed out commands and kick the
102 #define AAC_PERIODIC_INTERVAL 20 /* seconds */
105 * Per-container data structure
109 struct aac_mntobj co_mntobj;
112 TAILQ_ENTRY(aac_container) co_link;
116 * Per-SIM data structure
125 struct aac_softc *aac_sc;
126 struct aac_cam *aac_cam;
127 TAILQ_ENTRY(aac_sim) sim_link;
137 struct aac_softc *ad_controller;
138 struct aac_container *ad_container;
140 struct devstat ad_stats;
142 #define AAC_DISK_OPEN (1<<0)
151 * Per-command control structure.
155 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */
157 struct aac_softc *cm_sc; /* controller that owns us */
159 struct aac_fib *cm_fib; /* FIB associated with this
161 u_int64_t cm_fibphys; /* bus address of the FIB */
162 struct bio *cm_data; /* pointer to data in kernel
164 u_int32_t cm_datalen; /* data length */
165 bus_dmamap_t cm_datamap; /* DMA map for bio data */
166 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in
169 #define AAC_CMD_MAPPED (1<<0) /* command has had its data
171 #define AAC_CMD_DATAIN (1<<1) /* command involves data moving
172 * from controller to host */
173 #define AAC_CMD_DATAOUT (1<<2) /* command involves data moving
174 * from host to controller */
175 #define AAC_CMD_COMPLETED (1<<3) /* command has been completed */
176 #define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */
177 #define AAC_ON_AACQ_FREE (1<<5)
178 #define AAC_ON_AACQ_READY (1<<6)
179 #define AAC_ON_AACQ_BUSY (1<<7)
180 #define AAC_ON_AACQ_AIF (1<<8)
181 #define AAC_ON_AACQ_NORM (1<<10)
182 #define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
183 #define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of
184 * commands on the queue. */
186 void (* cm_complete)(struct aac_command *cm);
188 time_t cm_timestamp; /* command creation time */
194 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */
195 struct aac_fib *aac_fibs;
196 bus_dmamap_t aac_fibmap;
197 struct aac_command *aac_commands;
201 * We gather a number of adapter-visible items into a single structure.
203 * The ordering of this strucure may be important; we copy the Linux driver:
207 * Queue headers (Comm Area)
210 * In addition, we add:
214 /* fibs for the controller to send us messages */
215 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS];
217 /* the init structure */
218 struct aac_adapter_init ac_init;
220 /* arena within which the queue structures are kept */
221 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) +
224 /* buffer for text messages from the controller */
225 char ac_printf[AAC_PRINTF_BUFSIZE];
227 /* fib for synchronous commands */
228 struct aac_fib ac_sync_fib;
232 * Interface operations
236 int (*aif_get_fwstatus)(struct aac_softc *sc);
237 void (*aif_qnotify)(struct aac_softc *sc, int qbit);
238 int (*aif_get_istatus)(struct aac_softc *sc);
239 void (*aif_clr_istatus)(struct aac_softc *sc, int mask);
240 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
241 u_int32_t arg0, u_int32_t arg1,
242 u_int32_t arg2, u_int32_t arg3);
243 int (*aif_get_mailbox)(struct aac_softc *sc, int mb);
244 void (*aif_set_interrupts)(struct aac_softc *sc, int enable);
245 int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
246 int (*aif_get_outb_queue)(struct aac_softc *sc);
247 void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
249 extern struct aac_interface aac_rx_interface;
250 extern struct aac_interface aac_sa_interface;
251 extern struct aac_interface aac_fa_interface;
252 extern struct aac_interface aac_rkt_interface;
254 #define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc)))
255 #define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit)))
256 #define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc)))
257 #define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \
259 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
260 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
262 #define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \
264 #define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \
266 #define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \
268 #define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if.aif_send_command((sc), (cm)))
269 #define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if.aif_get_outb_queue((sc)))
270 #define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if.aif_set_outb_queue((sc), (idx)))
272 #define AAC_MEM0_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag0, \
273 sc->aac_bhandle0, reg, val)
274 #define AAC_MEM0_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag0, \
275 sc->aac_bhandle0, reg)
276 #define AAC_MEM0_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag0, \
277 sc->aac_bhandle0, reg, val)
278 #define AAC_MEM0_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag0, \
279 sc->aac_bhandle0, reg)
280 #define AAC_MEM0_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag0, \
281 sc->aac_bhandle0, reg, val)
282 #define AAC_MEM0_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag0, \
283 sc->aac_bhandle0, reg)
285 #define AAC_MEM1_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag1, \
286 sc->aac_bhandle1, reg, val)
287 #define AAC_MEM1_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag1, \
288 sc->aac_bhandle1, reg)
289 #define AAC_MEM1_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag1, \
290 sc->aac_bhandle1, reg, val)
291 #define AAC_MEM1_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag1, \
292 sc->aac_bhandle1, reg)
293 #define AAC_MEM1_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag1, \
294 sc->aac_bhandle1, reg, val)
295 #define AAC_MEM1_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag1, \
296 sc->aac_bhandle1, reg)
298 /* fib context (IOCTL) */
299 struct aac_fib_context {
303 struct aac_fib_context *next, *prev;
307 * Per-controller structure.
311 /* bus connections */
313 struct resource *aac_regs_res0, *aac_regs_res1; /* reg. if. window */
314 int aac_regs_rid0, aac_regs_rid1; /* resource ID */
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
320 struct resource *aac_irq; /* interrupt */
322 void *aac_intr; /* interrupt handle */
325 /* controller features, limits and status */
327 #define AAC_STATE_SUSPEND (1<<0)
328 #define AAC_STATE_UNUSED0 (1<<1)
329 #define AAC_STATE_INTERRUPTS_ON (1<<2)
330 #define AAC_STATE_AIF_SLEEPER (1<<3)
331 struct FsaRevision aac_revision;
333 /* controller hardware interface */
335 #define AAC_HWIF_I960RX 0
336 #define AAC_HWIF_STRONGARM 1
337 #define AAC_HWIF_RKT 3
338 #define AAC_HWIF_NARK 4
339 #define AAC_HWIF_UNKNOWN -1
340 bus_dma_tag_t aac_common_dmat; /* common structure
342 bus_dmamap_t aac_common_dmamap; /* common structure
344 struct aac_common *aac_common;
345 u_int32_t aac_common_busaddr;
346 struct aac_interface aac_if;
348 /* command/fib resources */
349 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */
350 TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh;
352 struct aac_command *aac_commands;
354 /* command management */
355 TAILQ_HEAD(,aac_command) aac_free; /* command structures
356 * available for reuse */
357 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for
358 * controller resources */
359 TAILQ_HEAD(,aac_command) aac_busy;
360 TAILQ_HEAD(,aac_event) aac_ev_cmfree;
361 struct bio_queue_head aac_bioq;
362 struct aac_queue_table *aac_queues;
363 struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT];
365 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */
367 /* connected containters */
368 TAILQ_HEAD(,aac_container) aac_container_tqh;
369 struct lock aac_container_lock;
372 * The general I/O lock. This protects the sync fib, the lists, the
373 * queues, and the registers.
375 struct lock aac_io_lock;
377 /* delayed activity infrastructure */
378 struct task aac_task_complete; /* deferred-completion
380 struct intr_config_hook aac_ich;
382 struct sysctl_ctx_list aac_sysctl_ctx;
383 struct sysctl_oid *aac_sysctl_tree;
385 /* management interface */
386 struct cdev *aac_dev_t;
387 struct lock aac_aifq_lock;
388 struct aac_fib aac_aifq[AAC_AIFQ_LENGTH];
391 struct aac_fib_context *fibctx;
392 struct kqinfo rcv_kq;
393 struct thread *aifthread;
395 #define AAC_AIFFLAGS_RUNNING (1 << 0)
396 #define AAC_AIFFLAGS_UNUSED0 (1 << 1)
397 #define AAC_AIFFLAGS_EXIT (1 << 2)
398 #define AAC_AIFFLAGS_EXITED (1 << 3)
399 #define AAC_AIFFLAGS_UNUSED1 (1 << 4)
400 #define AAC_AIFFLAGS_ALLOCFIBS (1 << 5)
401 #define AAC_AIFFLAGS_PENDING AAC_AIFFLAGS_ALLOCFIBS
403 #define AAC_FLAGS_PERC2QC (1 << 0)
404 #define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */
405 #define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */
406 #define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */
407 #define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */
408 #define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem
410 #define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */
411 #define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */
412 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */
413 #define AAC_FLAGS_SLAVE (1 << 9)
414 #define AAC_FLAGS_MASTER (1 << 10)
415 #define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */
416 #define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */
417 #define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */
418 #define AAC_FLAGS_LBA_64BIT (1 << 14) /* 64-bit LBA support */
420 u_int32_t supported_options;
421 u_int32_t scsi_method_id;
422 TAILQ_HEAD(,aac_sim) aac_sim_tqh;
424 struct callout aac_daemontime; /* clock daemon callout */
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,
437 * Event callback mechanism for the driver
439 #define AAC_EVENT_NONE 0x00
440 #define AAC_EVENT_CMFREE 0x01
441 #define AAC_EVENT_MASK 0xff
442 #define AAC_EVENT_REPEAT 0x100
444 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
447 TAILQ_ENTRY(aac_event) ev_links;
449 aac_event_cb_t *ev_callback;
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,
473 extern void aac_add_event(struct aac_softc *sc, struct aac_event
477 extern int aac_debug_enable;
478 # define fwprintf(sc, flags, fmt, args...) \
480 if (!aac_debug_enable) \
483 device_printf(((struct aac_softc *)sc)->aac_dev, \
484 "%s: " fmt "\n", __func__, ##args); \
486 kprintf("%s: " fmt "\n", __func__, ##args); \
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,
493 extern void aac_print_aif(struct aac_softc *sc,
494 struct aac_aif_command *aif);
496 #define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __func__)
499 # define fwprintf(sc, flags, fmt, args...)
501 # define aac_print_queues(sc)
502 # define aac_panic(sc, reason)
504 # define AAC_PRINT_FIB(sc, fib)
505 # define aac_print_aif(sc, aac_aif_command)
508 struct aac_code_lookup {
514 * Queue primitives for driver queues.
516 #define AACQ_ADD(sc, qname) \
518 struct aac_qstat *qs; \
520 qs = &(sc)->aac_qstat[qname]; \
523 if (qs->q_length > qs->q_max) \
524 qs->q_max = qs->q_length; \
527 #define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length--
528 #define AACQ_INIT(sc, qname) \
530 sc->aac_qstat[qname].q_length = 0; \
531 sc->aac_qstat[qname].q_max = 0; \
535 #define AACQ_COMMAND_QUEUE(name, index) \
536 static __inline void \
537 aac_initq_ ## name (struct aac_softc *sc) \
539 TAILQ_INIT(&sc->aac_ ## name); \
540 AACQ_INIT(sc, index); \
542 static __inline void \
543 aac_enqueue_ ## name (struct aac_command *cm) \
545 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \
546 panic("aac: command %p is on another queue, flags = %#x", \
549 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \
550 cm->cm_flags |= AAC_ON_ ## index; \
551 AACQ_ADD(cm->cm_sc, index); \
553 static __inline void \
554 aac_requeue_ ## name (struct aac_command *cm) \
556 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \
557 panic("aac: command %p is on another queue, flags = %#x", \
560 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \
561 cm->cm_flags |= AAC_ON_ ## index; \
562 AACQ_ADD(cm->cm_sc, index); \
564 static __inline struct aac_command * \
565 aac_dequeue_ ## name (struct aac_softc *sc) \
567 struct aac_command *cm; \
569 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \
570 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \
571 panic("aac: command %p not in queue, flags = %#x, bit = %#x", \
572 cm, cm->cm_flags, AAC_ON_ ## index); \
574 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \
575 cm->cm_flags &= ~AAC_ON_ ## index; \
576 AACQ_REMOVE(sc, index); \
580 static __inline void \
581 aac_remove_ ## name (struct aac_command *cm) \
583 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \
584 panic("aac: command %p not in queue, flags = %#x, bit = %#x", \
585 cm, cm->cm_flags, AAC_ON_ ## index); \
587 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \
588 cm->cm_flags &= ~AAC_ON_ ## index; \
589 AACQ_REMOVE(cm->cm_sc, index); \
593 AACQ_COMMAND_QUEUE(free, AACQ_FREE);
594 AACQ_COMMAND_QUEUE(ready, AACQ_READY);
595 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
598 * outstanding bio queue
601 aac_initq_bio(struct aac_softc *sc)
603 bioq_init(&sc->aac_bioq);
604 AACQ_INIT(sc, AACQ_BIO);
608 aac_enqueue_bio(struct aac_softc *sc, struct bio *bio)
610 bioq_insert_tail(&sc->aac_bioq, bio);
611 AACQ_ADD(sc, AACQ_BIO);
614 static __inline struct bio *
615 aac_dequeue_bio(struct aac_softc *sc)
619 if ((bio = bioq_first(&sc->aac_bioq)) != NULL) {
620 bioq_remove(&sc->aac_bioq, bio);
621 AACQ_REMOVE(sc, AACQ_BIO);
627 aac_print_printf(struct aac_softc *sc)
630 * XXX We have the ability to read the length of the kprintf string
631 * from out of the mailboxes.
633 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
634 sc->aac_common->ac_printf);
635 sc->aac_common->ac_printf[0] = 0;
636 AAC_QNOTIFY(sc, AAC_DB_PRINTF);
640 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
643 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
644 *fib = &sc->aac_common->ac_sync_fib;
649 aac_release_sync_fib(struct aac_softc *sc)
652 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);