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/aac.c,v 1.9.2.14 2003/04/08 13:22:08 scottl Exp $
30 * $DragonFly: src/sys/dev/raid/aac/aac.c,v 1.34 2008/01/20 03:40:35 pavalos Exp $
34 * Driver for the Adaptec 'FSA' family of PCI/SCSI RAID adapters.
36 #define AAC_DRIVER_VERSION 0x02000000
37 #define AAC_DRIVERNAME "aac"
41 /* #include <stddef.h> */
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/malloc.h>
45 #include <sys/kernel.h>
46 #include <sys/kthread.h>
47 #include <sys/sysctl.h>
49 #include <sys/event.h>
53 #include <sys/devicestat.h>
55 #include <sys/signalvar.h>
57 #include <sys/eventhandler.h>
60 #include <sys/mplock2.h>
62 #include <bus/pci/pcireg.h>
63 #include <bus/pci/pcivar.h>
66 #include "aac_ioctl.h"
68 #include "aac_tables.h"
70 static void aac_startup(void *arg);
71 static void aac_add_container(struct aac_softc *sc,
72 struct aac_mntinforesp *mir, int f);
73 static void aac_get_bus_info(struct aac_softc *sc);
74 static int aac_shutdown(device_t dev);
76 /* Command Processing */
77 static void aac_timeout(void *ssc);
78 static int aac_map_command(struct aac_command *cm);
79 static void aac_complete(void *context, int pending);
80 static int aac_bio_command(struct aac_softc *sc, struct aac_command **cmp);
81 static void aac_bio_complete(struct aac_command *cm);
82 static int aac_wait_command(struct aac_command *cm);
83 static void aac_command_thread(struct aac_softc *sc);
85 /* Command Buffer Management */
86 static void aac_map_command_sg(void *arg, bus_dma_segment_t *segs,
88 static void aac_map_command_helper(void *arg, bus_dma_segment_t *segs,
90 static int aac_alloc_commands(struct aac_softc *sc);
91 static void aac_free_commands(struct aac_softc *sc);
92 static void aac_unmap_command(struct aac_command *cm);
94 /* Hardware Interface */
95 static void aac_common_map(void *arg, bus_dma_segment_t *segs, int nseg,
97 static int aac_check_firmware(struct aac_softc *sc);
98 static int aac_init(struct aac_softc *sc);
99 static int aac_sync_command(struct aac_softc *sc, u_int32_t command,
100 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
101 u_int32_t arg3, u_int32_t *sp);
102 static int aac_enqueue_fib(struct aac_softc *sc, int queue,
103 struct aac_command *cm);
104 static int aac_dequeue_fib(struct aac_softc *sc, int queue,
105 u_int32_t *fib_size, struct aac_fib **fib_addr);
106 static int aac_enqueue_response(struct aac_softc *sc, int queue,
107 struct aac_fib *fib);
109 /* Falcon/PPC interface */
110 static int aac_fa_get_fwstatus(struct aac_softc *sc);
111 static void aac_fa_qnotify(struct aac_softc *sc, int qbit);
112 static int aac_fa_get_istatus(struct aac_softc *sc);
113 static void aac_fa_clear_istatus(struct aac_softc *sc, int mask);
114 static void aac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command,
115 u_int32_t arg0, u_int32_t arg1,
116 u_int32_t arg2, u_int32_t arg3);
117 static int aac_fa_get_mailbox(struct aac_softc *sc, int mb);
118 static void aac_fa_set_interrupts(struct aac_softc *sc, int enable);
120 struct aac_interface aac_fa_interface = {
124 aac_fa_clear_istatus,
127 aac_fa_set_interrupts,
131 /* StrongARM interface */
132 static int aac_sa_get_fwstatus(struct aac_softc *sc);
133 static void aac_sa_qnotify(struct aac_softc *sc, int qbit);
134 static int aac_sa_get_istatus(struct aac_softc *sc);
135 static void aac_sa_clear_istatus(struct aac_softc *sc, int mask);
136 static void aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
137 u_int32_t arg0, u_int32_t arg1,
138 u_int32_t arg2, u_int32_t arg3);
139 static int aac_sa_get_mailbox(struct aac_softc *sc, int mb);
140 static void aac_sa_set_interrupts(struct aac_softc *sc, int enable);
142 struct aac_interface aac_sa_interface = {
146 aac_sa_clear_istatus,
149 aac_sa_set_interrupts,
153 /* i960Rx interface */
154 static int aac_rx_get_fwstatus(struct aac_softc *sc);
155 static void aac_rx_qnotify(struct aac_softc *sc, int qbit);
156 static int aac_rx_get_istatus(struct aac_softc *sc);
157 static void aac_rx_clear_istatus(struct aac_softc *sc, int mask);
158 static void aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
159 u_int32_t arg0, u_int32_t arg1,
160 u_int32_t arg2, u_int32_t arg3);
161 static int aac_rx_get_mailbox(struct aac_softc *sc, int mb);
162 static void aac_rx_set_interrupts(struct aac_softc *sc, int enable);
163 static int aac_rx_send_command(struct aac_softc *sc, struct aac_command *cm);
164 static int aac_rx_get_outb_queue(struct aac_softc *sc);
165 static void aac_rx_set_outb_queue(struct aac_softc *sc, int index);
167 struct aac_interface aac_rx_interface = {
171 aac_rx_clear_istatus,
174 aac_rx_set_interrupts,
176 aac_rx_get_outb_queue,
177 aac_rx_set_outb_queue
180 /* Rocket/MIPS interface */
181 static int aac_rkt_get_fwstatus(struct aac_softc *sc);
182 static void aac_rkt_qnotify(struct aac_softc *sc, int qbit);
183 static int aac_rkt_get_istatus(struct aac_softc *sc);
184 static void aac_rkt_clear_istatus(struct aac_softc *sc, int mask);
185 static void aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command,
186 u_int32_t arg0, u_int32_t arg1,
187 u_int32_t arg2, u_int32_t arg3);
188 static int aac_rkt_get_mailbox(struct aac_softc *sc, int mb);
189 static void aac_rkt_set_interrupts(struct aac_softc *sc, int enable);
190 static int aac_rkt_send_command(struct aac_softc *sc, struct aac_command *cm);
191 static int aac_rkt_get_outb_queue(struct aac_softc *sc);
192 static void aac_rkt_set_outb_queue(struct aac_softc *sc, int index);
194 struct aac_interface aac_rkt_interface = {
195 aac_rkt_get_fwstatus,
198 aac_rkt_clear_istatus,
201 aac_rkt_set_interrupts,
202 aac_rkt_send_command,
203 aac_rkt_get_outb_queue,
204 aac_rkt_set_outb_queue
207 /* Debugging and Diagnostics */
208 static void aac_describe_controller(struct aac_softc *sc);
209 static char *aac_describe_code(struct aac_code_lookup *table,
212 /* Management Interface */
213 static d_open_t aac_open;
214 static d_close_t aac_close;
215 static d_ioctl_t aac_ioctl;
216 static d_poll_t aac_poll;
217 static d_kqfilter_t aac_kqfilter;
218 static void aac_filter_detach(struct knote *kn);
219 static int aac_filter(struct knote *kn, long hint);
220 static int aac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib) __unused;
221 static void aac_handle_aif(struct aac_softc *sc,
222 struct aac_fib *fib);
223 static int aac_rev_check(struct aac_softc *sc, caddr_t udata);
224 static int aac_getnext_aif(struct aac_softc *sc, caddr_t arg);
225 static int aac_return_aif(struct aac_softc *sc, caddr_t uptr);
226 static int aac_query_disk(struct aac_softc *sc, caddr_t uptr);
227 static int aac_get_pci_info(struct aac_softc *sc, caddr_t uptr);
228 static void aac_ioctl_event(struct aac_softc *sc,
229 struct aac_event *event, void *arg);
231 #define AAC_CDEV_MAJOR 150
233 static struct dev_ops aac_ops = {
234 { "aac", AAC_CDEV_MAJOR, D_KQFILTER },
236 .d_close = aac_close,
237 .d_ioctl = aac_ioctl,
239 .d_kqfilter = aac_kqfilter
242 DECLARE_DUMMY_MODULE(aac);
244 MALLOC_DEFINE(M_AACBUF, "aacbuf", "Buffers for the AAC driver");
247 SYSCTL_NODE(_hw, OID_AUTO, aac, CTLFLAG_RD, 0, "AAC driver parameters");
254 * Initialise the controller and softc
257 aac_attach(struct aac_softc *sc)
262 callout_init(&sc->aac_watchdog);
265 * Initialise per-controller queues.
270 aac_initq_complete(sc);
274 * Initialise command-completion task.
276 TASK_INIT(&sc->aac_task_complete, 0, aac_complete, sc);
278 /* mark controller as suspended until we get ourselves organised */
279 sc->aac_state |= AAC_STATE_SUSPEND;
282 * Check that the firmware on the card is supported.
284 if ((error = aac_check_firmware(sc)) != 0)
290 AAC_LOCK_INIT(&sc->aac_aifq_lock, "AAC AIF lock");
291 AAC_LOCK_INIT(&sc->aac_io_lock, "AAC I/O lock");
292 AAC_LOCK_INIT(&sc->aac_container_lock, "AAC container lock");
293 TAILQ_INIT(&sc->aac_container_tqh);
294 TAILQ_INIT(&sc->aac_ev_cmfree);
297 /* Initialize the local AIF queue pointers */
298 sc->aac_aifq_head = sc->aac_aifq_tail = AAC_AIFQ_LENGTH;
301 * Initialise the adapter.
303 if ((error = aac_init(sc)) != 0)
307 * Allocate and connect our interrupt.
310 if ((sc->aac_irq = bus_alloc_resource_any(sc->aac_dev, SYS_RES_IRQ,
313 RF_ACTIVE)) == NULL) {
314 device_printf(sc->aac_dev, "can't allocate interrupt\n");
317 if (sc->flags & AAC_FLAGS_NEW_COMM) {
318 if (bus_setup_intr(sc->aac_dev, sc->aac_irq,
320 sc, &sc->aac_intr, NULL)) {
321 device_printf(sc->aac_dev, "can't set up interrupt\n");
325 if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 0,
326 aac_fast_intr, sc, &sc->aac_intr, NULL)) {
327 device_printf(sc->aac_dev,
328 "can't set up FAST interrupt\n");
329 if (bus_setup_intr(sc->aac_dev, sc->aac_irq,
331 sc, &sc->aac_intr, NULL)) {
332 device_printf(sc->aac_dev,
333 "can't set up MPSAFE interrupt\n");
340 * Print a little information about the controller.
342 aac_describe_controller(sc);
345 * Register to probe our containers later.
347 sc->aac_ich.ich_func = aac_startup;
348 sc->aac_ich.ich_arg = sc;
349 sc->aac_ich.ich_desc = "aac";
350 if (config_intrhook_establish(&sc->aac_ich) != 0) {
351 device_printf(sc->aac_dev,
352 "can't establish configuration hook\n");
357 * Make the control device.
359 unit = device_get_unit(sc->aac_dev);
360 sc->aac_dev_t = make_dev(&aac_ops, unit, UID_ROOT, GID_OPERATOR,
361 0640, "aac%d", unit);
362 sc->aac_dev_t->si_drv1 = sc;
363 reference_dev(sc->aac_dev_t);
365 /* Create the AIF thread */
366 if (kthread_create((void(*)(void *))aac_command_thread, sc,
367 &sc->aifthread, "aac%daif", unit))
368 panic("Could not create AIF thread\n");
370 /* Register the shutdown method to only be called post-dump */
371 if ((sc->eh = EVENTHANDLER_REGISTER(shutdown_post_sync, aac_shutdown,
372 sc->aac_dev, SHUTDOWN_PRI_DRIVER)) == NULL)
373 device_printf(sc->aac_dev,
374 "shutdown event registration failed\n");
376 /* Register with CAM for the non-DASD devices */
377 if ((sc->flags & AAC_FLAGS_ENABLE_CAM) != 0) {
378 TAILQ_INIT(&sc->aac_sim_tqh);
379 aac_get_bus_info(sc);
386 aac_add_event(struct aac_softc *sc, struct aac_event *event)
389 switch (event->ev_type & AAC_EVENT_MASK) {
390 case AAC_EVENT_CMFREE:
391 TAILQ_INSERT_TAIL(&sc->aac_ev_cmfree, event, ev_links);
394 device_printf(sc->aac_dev, "aac_add event: unknown event %d\n",
403 * Probe for containers, create disks.
406 aac_startup(void *arg)
408 struct aac_softc *sc;
410 struct aac_mntinfo *mi;
411 struct aac_mntinforesp *mir = NULL;
412 int count = 0, i = 0;
416 sc = (struct aac_softc *)arg;
418 /* disconnect ourselves from the intrhook chain */
419 config_intrhook_disestablish(&sc->aac_ich);
421 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
422 aac_alloc_sync_fib(sc, &fib);
423 mi = (struct aac_mntinfo *)&fib->data[0];
425 /* loop over possible containers */
427 /* request information on this container */
428 bzero(mi, sizeof(struct aac_mntinfo));
429 mi->Command = VM_NameServe;
430 mi->MntType = FT_FILESYS;
432 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
433 sizeof(struct aac_mntinfo))) {
434 device_printf(sc->aac_dev,
435 "error probing container %d", i);
440 mir = (struct aac_mntinforesp *)&fib->data[0];
441 /* XXX Need to check if count changed */
442 count = mir->MntRespCount;
443 aac_add_container(sc, mir, 0);
445 } while ((i < count) && (i < AAC_MAX_CONTAINERS));
447 aac_release_sync_fib(sc);
448 AAC_LOCK_RELEASE(&sc->aac_io_lock);
450 /* poke the bus to actually attach the child devices */
451 if (bus_generic_attach(sc->aac_dev))
452 device_printf(sc->aac_dev, "bus_generic_attach failed\n");
454 /* mark the controller up */
455 sc->aac_state &= ~AAC_STATE_SUSPEND;
457 /* enable interrupts now */
458 AAC_UNMASK_INTERRUPTS(sc);
462 * Create a device to respresent a new container
465 aac_add_container(struct aac_softc *sc, struct aac_mntinforesp *mir, int f)
467 struct aac_container *co;
471 * Check container volume type for validity. Note that many of
472 * the possible types may never show up.
474 if ((mir->Status == ST_OK) && (mir->MntTable[0].VolType != CT_NONE)) {
475 co = (struct aac_container *)kmalloc(sizeof *co, M_AACBUF,
477 debug(1, "id %x name '%.16s' size %u type %d",
478 mir->MntTable[0].ObjectId,
479 mir->MntTable[0].FileSystemName,
480 mir->MntTable[0].Capacity, mir->MntTable[0].VolType);
482 if ((child = device_add_child(sc->aac_dev, "aacd", -1)) == NULL)
483 device_printf(sc->aac_dev, "device_add_child failed\n");
485 device_set_ivars(child, co);
486 device_set_desc(child, aac_describe_code(aac_container_types,
487 mir->MntTable[0].VolType));
490 bcopy(&mir->MntTable[0], &co->co_mntobj,
491 sizeof(struct aac_mntobj));
492 AAC_LOCK_ACQUIRE(&sc->aac_container_lock);
493 TAILQ_INSERT_TAIL(&sc->aac_container_tqh, co, co_link);
494 AAC_LOCK_RELEASE(&sc->aac_container_lock);
499 * Free all of the resources associated with (sc)
501 * Should not be called if the controller is active.
504 aac_free(struct aac_softc *sc)
509 /* remove the control device */
510 if (sc->aac_dev_t != NULL)
511 destroy_dev(sc->aac_dev_t);
513 /* throw away any FIB buffers, discard the FIB DMA tag */
514 aac_free_commands(sc);
515 if (sc->aac_fib_dmat)
516 bus_dma_tag_destroy(sc->aac_fib_dmat);
518 kfree(sc->aac_commands, M_AACBUF);
520 /* destroy the common area */
521 if (sc->aac_common) {
522 bus_dmamap_unload(sc->aac_common_dmat, sc->aac_common_dmamap);
523 bus_dmamem_free(sc->aac_common_dmat, sc->aac_common,
524 sc->aac_common_dmamap);
526 if (sc->aac_common_dmat)
527 bus_dma_tag_destroy(sc->aac_common_dmat);
529 /* disconnect the interrupt handler */
531 bus_teardown_intr(sc->aac_dev, sc->aac_irq, sc->aac_intr);
532 if (sc->aac_irq != NULL)
533 bus_release_resource(sc->aac_dev, SYS_RES_IRQ, sc->aac_irq_rid,
536 /* destroy data-transfer DMA tag */
537 if (sc->aac_buffer_dmat)
538 bus_dma_tag_destroy(sc->aac_buffer_dmat);
540 /* destroy the parent DMA tag */
541 if (sc->aac_parent_dmat)
542 bus_dma_tag_destroy(sc->aac_parent_dmat);
544 /* release the register window mapping */
545 if (sc->aac_regs_resource != NULL) {
546 bus_release_resource(sc->aac_dev, SYS_RES_MEMORY,
547 sc->aac_regs_rid, sc->aac_regs_resource);
549 dev_ops_remove_minor(&aac_ops, device_get_unit(sc->aac_dev));
553 * Disconnect from the controller completely, in preparation for unload.
556 aac_detach(device_t dev)
558 struct aac_softc *sc;
559 struct aac_container *co;
565 sc = device_get_softc(dev);
567 callout_stop(&sc->aac_watchdog);
569 if (sc->aac_state & AAC_STATE_OPEN)
572 /* Remove the child containers */
573 while ((co = TAILQ_FIRST(&sc->aac_container_tqh)) != NULL) {
574 error = device_delete_child(dev, co->co_disk);
577 TAILQ_REMOVE(&sc->aac_container_tqh, co, co_link);
581 /* Remove the CAM SIMs */
582 while ((sim = TAILQ_FIRST(&sc->aac_sim_tqh)) != NULL) {
583 TAILQ_REMOVE(&sc->aac_sim_tqh, sim, sim_link);
584 error = device_delete_child(dev, sim->sim_dev);
587 kfree(sim, M_AACBUF);
590 if (sc->aifflags & AAC_AIFFLAGS_RUNNING) {
591 sc->aifflags |= AAC_AIFFLAGS_EXIT;
592 wakeup(sc->aifthread);
593 tsleep(sc->aac_dev, PCATCH, "aacdch", 30 * hz);
596 if (sc->aifflags & AAC_AIFFLAGS_RUNNING)
597 panic("Cannot shutdown AIF thread\n");
599 if ((error = aac_shutdown(dev)))
602 EVENTHANDLER_DEREGISTER(shutdown_post_sync, sc->eh);
606 lockuninit(&sc->aac_aifq_lock);
607 lockuninit(&sc->aac_io_lock);
608 lockuninit(&sc->aac_container_lock);
614 * Bring the controller down to a dormant state and detach all child devices.
616 * This function is called before detach or system shutdown.
618 * Note that we can assume that the bioq on the controller is empty, as we won't
619 * allow shutdown if any device is open.
622 aac_shutdown(device_t dev)
624 struct aac_softc *sc;
626 struct aac_close_command *cc;
630 sc = device_get_softc(dev);
632 sc->aac_state |= AAC_STATE_SUSPEND;
635 * Send a Container shutdown followed by a HostShutdown FIB to the
636 * controller to convince it that we don't want to talk to it anymore.
637 * We've been closed and all I/O completed already
639 device_printf(sc->aac_dev, "shutting down controller...");
641 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
642 aac_alloc_sync_fib(sc, &fib);
643 cc = (struct aac_close_command *)&fib->data[0];
645 bzero(cc, sizeof(struct aac_close_command));
646 cc->Command = VM_CloseAll;
647 cc->ContainerId = 0xffffffff;
648 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
649 sizeof(struct aac_close_command)))
650 kprintf("FAILED.\n");
657 * XXX Issuing this command to the controller makes it shut down
658 * but also keeps it from coming back up without a reset of the
659 * PCI bus. This is not desirable if you are just unloading the
660 * driver module with the intent to reload it later.
662 if (aac_sync_fib(sc, FsaHostShutdown, AAC_FIBSTATE_SHUTDOWN,
664 kprintf("FAILED.\n");
671 AAC_MASK_INTERRUPTS(sc);
672 aac_release_sync_fib(sc);
673 AAC_LOCK_RELEASE(&sc->aac_io_lock);
679 * Bring the controller to a quiescent state, ready for system suspend.
682 aac_suspend(device_t dev)
684 struct aac_softc *sc;
688 sc = device_get_softc(dev);
690 sc->aac_state |= AAC_STATE_SUSPEND;
692 AAC_MASK_INTERRUPTS(sc);
697 * Bring the controller back to a state ready for operation.
700 aac_resume(device_t dev)
702 struct aac_softc *sc;
706 sc = device_get_softc(dev);
708 sc->aac_state &= ~AAC_STATE_SUSPEND;
709 AAC_UNMASK_INTERRUPTS(sc);
714 * Interrupt handler for NEW_COMM interface.
717 aac_new_intr(void *arg)
719 struct aac_softc *sc;
720 u_int32_t index, fast;
721 struct aac_command *cm;
727 sc = (struct aac_softc *)arg;
729 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
731 index = AAC_GET_OUTB_QUEUE(sc);
732 if (index == 0xffffffff)
733 index = AAC_GET_OUTB_QUEUE(sc);
734 if (index == 0xffffffff)
737 if (index == 0xfffffffe) {
738 /* XXX This means that the controller wants
739 * more work. Ignore it for now.
744 fib = (struct aac_fib *)kmalloc(sizeof *fib, M_AACBUF,
747 for (i = 0; i < sizeof(struct aac_fib)/4; ++i)
748 ((u_int32_t *)fib)[i] = AAC_GETREG4(sc, index + i*4);
749 aac_handle_aif(sc, fib);
750 kfree(fib, M_AACBUF);
753 * AIF memory is owned by the adapter, so let it
754 * know that we are done with it.
756 AAC_SET_OUTB_QUEUE(sc, index);
757 AAC_CLEAR_ISTATUS(sc, AAC_DB_RESPONSE_READY);
760 cm = sc->aac_commands + (index >> 2);
763 fib->Header.XferState |= AAC_FIBSTATE_DONEADAP;
764 *((u_int32_t *)(fib->data)) = AAC_ERROR_NORMAL;
767 aac_unmap_command(cm);
768 cm->cm_flags |= AAC_CMD_COMPLETED;
770 /* is there a completion handler? */
771 if (cm->cm_complete != NULL) {
774 /* assume that someone is sleeping on this
779 sc->flags &= ~AAC_QUEUE_FRZN;
782 /* see if we can start some more I/O */
783 if ((sc->flags & AAC_QUEUE_FRZN) == 0)
786 AAC_LOCK_RELEASE(&sc->aac_io_lock);
790 aac_fast_intr(void *arg)
792 struct aac_softc *sc;
797 sc = (struct aac_softc *)arg;
800 * Read the status register directly. This is faster than taking the
801 * driver lock and reading the queues directly. It also saves having
802 * to turn parts of the driver lock into a spin mutex, which would be
805 reason = AAC_GET_ISTATUS(sc);
806 AAC_CLEAR_ISTATUS(sc, reason);
808 /* handle completion processing */
809 if (reason & AAC_DB_RESPONSE_READY)
810 taskqueue_enqueue(taskqueue_swi, &sc->aac_task_complete);
812 /* controller wants to talk to us */
813 if (reason & (AAC_DB_PRINTF | AAC_DB_COMMAND_READY)) {
815 * XXX Make sure that we don't get fooled by strange messages
816 * that start with a NULL.
818 if ((reason & AAC_DB_PRINTF) &&
819 (sc->aac_common->ac_printf[0] == 0))
820 sc->aac_common->ac_printf[0] = 32;
823 * This might miss doing the actual wakeup. However, the
824 * ssleep that this is waking up has a timeout, so it will
825 * wake up eventually. AIFs and printfs are low enough
826 * priority that they can handle hanging out for a few seconds
829 wakeup(sc->aifthread);
838 * Start as much queued I/O as possible on the controller
841 aac_startio(struct aac_softc *sc)
843 struct aac_command *cm;
847 if (sc->flags & AAC_QUEUE_FRZN)
852 * Try to get a command that's been put off for lack of
855 cm = aac_dequeue_ready(sc);
858 * Try to build a command off the bio queue (ignore error
862 aac_bio_command(sc, &cm);
869 * Try to give the command to the controller. Any error is
870 * catastrophic since it means that bus_dmamap_load() failed.
872 if (aac_map_command(cm) != 0)
873 panic("aac: error mapping command %p\n", cm);
878 * Deliver a command to the controller; allocate controller resources at the
879 * last moment when possible.
882 aac_map_command(struct aac_command *cm)
884 struct aac_softc *sc;
892 /* don't map more than once */
893 if (cm->cm_flags & AAC_CMD_MAPPED)
894 panic("aac: command %p already mapped", cm);
896 if (cm->cm_datalen != 0) {
897 error = bus_dmamap_load(sc->aac_buffer_dmat, cm->cm_datamap,
898 cm->cm_data, cm->cm_datalen,
899 aac_map_command_sg, cm, 0);
900 if (error == EINPROGRESS) {
901 debug(1, "freezing queue\n");
902 sc->flags |= AAC_QUEUE_FRZN;
906 aac_map_command_sg(cm, NULL, 0, 0);
912 * Handle notification of one or more FIBs coming from the controller.
915 aac_command_thread(struct aac_softc *sc)
923 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
924 sc->aifflags = AAC_AIFFLAGS_RUNNING;
926 while ((sc->aifflags & AAC_AIFFLAGS_EXIT) == 0) {
928 if ((sc->aifflags & AAC_AIFFLAGS_PENDING) == 0) {
929 tsleep_interlock(sc->aifthread, 0);
930 AAC_LOCK_RELEASE(&sc->aac_io_lock);
931 retval = tsleep(sc->aifthread, PINTERLOCKED,
932 "aifthd", AAC_PERIODIC_INTERVAL * hz);
933 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
936 * First see if any FIBs need to be allocated. This needs
937 * to be called without the driver lock because contigmalloc
938 * will grab Giant, and would result in an LOR.
940 if ((sc->aifflags & AAC_AIFFLAGS_ALLOCFIBS) != 0) {
941 AAC_LOCK_RELEASE(&sc->aac_io_lock);
942 aac_alloc_commands(sc);
943 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
944 sc->aifflags &= ~AAC_AIFFLAGS_ALLOCFIBS;
949 * While we're here, check to see if any commands are stuck.
950 * This is pretty low-priority, so it's ok if it doesn't
953 if (retval == EWOULDBLOCK)
956 /* Check the hardware printf message buffer */
957 if (sc->aac_common->ac_printf[0] != 0)
958 aac_print_printf(sc);
960 /* Also check to see if the adapter has a command for us. */
961 if (sc->flags & AAC_FLAGS_NEW_COMM)
964 if (aac_dequeue_fib(sc, AAC_HOST_NORM_CMD_QUEUE,
968 AAC_PRINT_FIB(sc, fib);
970 switch (fib->Header.Command) {
972 aac_handle_aif(sc, fib);
975 device_printf(sc->aac_dev, "unknown command "
976 "from controller\n");
980 if ((fib->Header.XferState == 0) ||
981 (fib->Header.StructType != AAC_FIBTYPE_TFIB)) {
985 /* Return the AIF to the controller. */
986 if (fib->Header.XferState & AAC_FIBSTATE_FROMADAP) {
987 fib->Header.XferState |= AAC_FIBSTATE_DONEHOST;
988 *(AAC_FSAStatus*)fib->data = ST_OK;
990 /* XXX Compute the Size field? */
991 size = fib->Header.Size;
992 if (size > sizeof(struct aac_fib)) {
993 size = sizeof(struct aac_fib);
994 fib->Header.Size = size;
997 * Since we did not generate this command, it
998 * cannot go through the normal
999 * enqueue->startio chain.
1001 aac_enqueue_response(sc,
1002 AAC_ADAP_NORM_RESP_QUEUE,
1007 sc->aifflags &= ~AAC_AIFFLAGS_RUNNING;
1008 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1009 wakeup(sc->aac_dev);
1015 * Process completed commands.
1018 aac_complete(void *context, int pending)
1020 struct aac_softc *sc;
1021 struct aac_command *cm;
1022 struct aac_fib *fib;
1027 sc = (struct aac_softc *)context;
1029 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
1031 /* pull completed commands off the queue */
1033 /* look for completed FIBs on our queue */
1034 if (aac_dequeue_fib(sc, AAC_HOST_NORM_RESP_QUEUE, &fib_size,
1036 break; /* nothing to do */
1038 /* get the command, unmap and queue for later processing */
1039 cm = sc->aac_commands + fib->Header.SenderData;
1041 AAC_PRINT_FIB(sc, fib);
1044 aac_remove_busy(cm);
1045 aac_unmap_command(cm); /* XXX defer? */
1046 cm->cm_flags |= AAC_CMD_COMPLETED;
1048 /* is there a completion handler? */
1049 if (cm->cm_complete != NULL) {
1050 cm->cm_complete(cm);
1052 /* assume that someone is sleeping on this command */
1057 /* see if we can start some more I/O */
1058 sc->flags &= ~AAC_QUEUE_FRZN;
1061 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1065 * Handle a bio submitted from a disk device.
1068 aac_submit_bio(struct aac_disk *ad, struct bio *bio)
1070 struct aac_softc *sc;
1074 bio->bio_driver_info = ad;
1075 sc = ad->ad_controller;
1077 /* queue the BIO and try to get some work done */
1078 aac_enqueue_bio(sc, bio);
1083 * Get a bio and build a command to go with it.
1086 aac_bio_command(struct aac_softc *sc, struct aac_command **cmp)
1088 struct aac_command *cm;
1089 struct aac_fib *fib;
1090 struct aac_disk *ad;
1096 /* get the resources we will need */
1099 if (aac_alloc_command(sc, &cm)) /* get a command */
1101 if ((bio = aac_dequeue_bio(sc)) == NULL)
1104 /* fill out the command */
1106 cm->cm_data = (void *)bp->b_data;
1107 cm->cm_datalen = bp->b_bcount;
1108 cm->cm_complete = aac_bio_complete;
1109 cm->cm_private = bio;
1110 cm->cm_timestamp = time_second;
1111 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1115 fib->Header.Size = sizeof(struct aac_fib_header);
1116 fib->Header.XferState =
1117 AAC_FIBSTATE_HOSTOWNED |
1118 AAC_FIBSTATE_INITIALISED |
1119 AAC_FIBSTATE_EMPTY |
1120 AAC_FIBSTATE_FROMHOST |
1121 AAC_FIBSTATE_REXPECTED |
1123 AAC_FIBSTATE_ASYNC |
1124 AAC_FIBSTATE_FAST_RESPONSE;
1126 /* build the read/write request */
1127 ad = (struct aac_disk *)bio->bio_driver_info;
1129 if (sc->flags & AAC_FLAGS_RAW_IO) {
1130 struct aac_raw_io *raw;
1131 raw = (struct aac_raw_io *)&fib->data[0];
1132 fib->Header.Command = RawIo;
1133 raw->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1134 raw->ByteCount = bp->b_bcount;
1135 raw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1137 raw->BpComplete = 0;
1138 fib->Header.Size += sizeof(struct aac_raw_io);
1139 cm->cm_sgtable = (struct aac_sg_table *)&raw->SgMapRaw;
1140 if (bp->b_cmd == BUF_CMD_READ) {
1142 cm->cm_flags |= AAC_CMD_DATAIN;
1145 cm->cm_flags |= AAC_CMD_DATAOUT;
1147 } else if ((sc->flags & AAC_FLAGS_SG_64BIT) == 0) {
1148 fib->Header.Command = ContainerCommand;
1149 if (bp->b_cmd == BUF_CMD_READ) {
1150 struct aac_blockread *br;
1151 br = (struct aac_blockread *)&fib->data[0];
1152 br->Command = VM_CtBlockRead;
1153 br->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1154 br->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1155 br->ByteCount = bp->b_bcount;
1156 fib->Header.Size += sizeof(struct aac_blockread);
1157 cm->cm_sgtable = &br->SgMap;
1158 cm->cm_flags |= AAC_CMD_DATAIN;
1160 struct aac_blockwrite *bw;
1161 bw = (struct aac_blockwrite *)&fib->data[0];
1162 bw->Command = VM_CtBlockWrite;
1163 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1164 bw->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1165 bw->ByteCount = bp->b_bcount;
1166 bw->Stable = CUNSTABLE;
1167 fib->Header.Size += sizeof(struct aac_blockwrite);
1168 cm->cm_flags |= AAC_CMD_DATAOUT;
1169 cm->cm_sgtable = &bw->SgMap;
1172 fib->Header.Command = ContainerCommand64;
1173 if (bp->b_cmd == BUF_CMD_READ) {
1174 struct aac_blockread64 *br;
1175 br = (struct aac_blockread64 *)&fib->data[0];
1176 br->Command = VM_CtHostRead64;
1177 br->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1178 br->SectorCount = bp->b_bcount / AAC_BLOCK_SIZE;
1179 br->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1182 fib->Header.Size += sizeof(struct aac_blockread64);
1183 cm->cm_flags |= AAC_CMD_DATAOUT;
1184 cm->cm_sgtable = (struct aac_sg_table *)&br->SgMap64;
1186 struct aac_blockwrite64 *bw;
1187 bw = (struct aac_blockwrite64 *)&fib->data[0];
1188 bw->Command = VM_CtHostWrite64;
1189 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1190 bw->SectorCount = bp->b_bcount / AAC_BLOCK_SIZE;
1191 bw->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1194 fib->Header.Size += sizeof(struct aac_blockwrite64);
1195 cm->cm_flags |= AAC_CMD_DATAIN;
1196 cm->cm_sgtable = (struct aac_sg_table *)&bw->SgMap64;
1205 aac_enqueue_bio(sc, bio);
1207 aac_release_command(cm);
1212 * Handle a bio-instigated command that has been completed.
1215 aac_bio_complete(struct aac_command *cm)
1217 struct aac_blockread_response *brr;
1218 struct aac_blockwrite_response *bwr;
1222 AAC_FSAStatus status;
1224 /* fetch relevant status and then release the command */
1225 bio = (struct bio *)cm->cm_private;
1227 if (bp->b_cmd == BUF_CMD_READ) {
1228 brr = (struct aac_blockread_response *)&cm->cm_fib->data[0];
1229 status = brr->Status;
1231 bwr = (struct aac_blockwrite_response *)&cm->cm_fib->data[0];
1232 status = bwr->Status;
1234 aac_release_command(cm);
1236 /* fix up the bio based on status */
1237 if (status == ST_OK) {
1242 bp->b_flags |= B_ERROR;
1243 /* pass an error string out to the disk layer */
1244 code = aac_describe_code(aac_command_status_table, status);
1246 aac_biodone(bio, code);
1250 * Dump a block of data to the controller. If the queue is full, tell the
1251 * caller to hold off and wait for the queue to drain.
1254 aac_dump_enqueue(struct aac_disk *ad, u_int64_t lba, void *data, int dumppages)
1256 struct aac_softc *sc;
1257 struct aac_command *cm;
1258 struct aac_fib *fib;
1259 struct aac_blockwrite *bw;
1261 sc = ad->ad_controller;
1264 KKASSERT(lba <= 0x100000000ULL);
1266 if (aac_alloc_command(sc, &cm))
1269 /* fill out the command */
1271 cm->cm_datalen = dumppages * PAGE_SIZE;
1272 cm->cm_complete = NULL;
1273 cm->cm_private = NULL;
1274 cm->cm_timestamp = time_second;
1275 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1279 fib->Header.XferState =
1280 AAC_FIBSTATE_HOSTOWNED |
1281 AAC_FIBSTATE_INITIALISED |
1282 AAC_FIBSTATE_FROMHOST |
1283 AAC_FIBSTATE_REXPECTED |
1285 fib->Header.Command = ContainerCommand;
1286 fib->Header.Size = sizeof(struct aac_fib_header);
1288 bw = (struct aac_blockwrite *)&fib->data[0];
1289 bw->Command = VM_CtBlockWrite;
1290 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1291 bw->BlockNumber = lba;
1292 bw->ByteCount = dumppages * PAGE_SIZE;
1293 bw->Stable = CUNSTABLE; /* XXX what's appropriate here? */
1294 fib->Header.Size += sizeof(struct aac_blockwrite);
1295 cm->cm_flags |= AAC_CMD_DATAOUT;
1296 cm->cm_sgtable = &bw->SgMap;
1298 return (aac_map_command(cm));
1302 * Wait for the card's queue to drain when dumping. Also check for monitor
1306 aac_dump_complete(struct aac_softc *sc)
1308 struct aac_fib *fib;
1309 struct aac_command *cm;
1311 u_int32_t pi, ci, fib_size;
1314 reason = AAC_GET_ISTATUS(sc);
1315 if (reason & AAC_DB_RESPONSE_READY) {
1316 AAC_CLEAR_ISTATUS(sc, AAC_DB_RESPONSE_READY);
1318 if (aac_dequeue_fib(sc,
1319 AAC_HOST_NORM_RESP_QUEUE,
1322 cm = (struct aac_command *)
1323 fib->Header.SenderData;
1325 AAC_PRINT_FIB(sc, fib);
1327 aac_remove_busy(cm);
1328 aac_unmap_command(cm);
1329 aac_enqueue_complete(cm);
1330 aac_release_command(cm);
1334 if (reason & AAC_DB_PRINTF) {
1335 AAC_CLEAR_ISTATUS(sc, AAC_DB_PRINTF);
1336 aac_print_printf(sc);
1338 pi = sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][
1339 AAC_PRODUCER_INDEX];
1340 ci = sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][
1341 AAC_CONSUMER_INDEX];
1348 * Submit a command to the controller, return when it completes.
1349 * XXX This is very dangerous! If the card has gone out to lunch, we could
1350 * be stuck here forever. At the same time, signals are not caught
1351 * because there is a risk that a signal could wakeup the sleep before
1352 * the card has a chance to complete the command. Since there is no way
1353 * to cancel a command that is in progress, we can't protect against the
1354 * card completing a command late and spamming the command and data
1355 * memory. So, we are held hostage until the command completes.
1358 aac_wait_command(struct aac_command *cm)
1360 struct aac_softc *sc;
1367 /* Put the command on the ready queue and get things going */
1368 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1369 aac_enqueue_ready(cm);
1372 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
1373 tsleep_interlock(cm, 0);
1374 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1375 error = tsleep(cm, PINTERLOCKED, "aacwait", 0);
1376 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
1381 *Command Buffer Management
1385 * Allocate a command.
1388 aac_alloc_command(struct aac_softc *sc, struct aac_command **cmp)
1390 struct aac_command *cm;
1394 if ((cm = aac_dequeue_free(sc)) == NULL) {
1395 if (sc->total_fibs < sc->aac_max_fibs) {
1396 sc->aifflags |= AAC_AIFFLAGS_ALLOCFIBS;
1397 wakeup(sc->aifthread);
1407 * Release a command back to the freelist.
1410 aac_release_command(struct aac_command *cm)
1412 struct aac_event *event;
1413 struct aac_softc *sc;
1417 /* (re)initialise the command/FIB */
1418 cm->cm_sgtable = NULL;
1420 cm->cm_complete = NULL;
1421 cm->cm_private = NULL;
1422 cm->cm_fib->Header.XferState = AAC_FIBSTATE_EMPTY;
1423 cm->cm_fib->Header.StructType = AAC_FIBTYPE_TFIB;
1424 cm->cm_fib->Header.Flags = 0;
1425 cm->cm_fib->Header.SenderSize = cm->cm_sc->aac_max_fib_size;
1428 * These are duplicated in aac_start to cover the case where an
1429 * intermediate stage may have destroyed them. They're left
1430 * initialised here for debugging purposes only.
1432 cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys;
1433 cm->cm_fib->Header.SenderData = 0;
1435 aac_enqueue_free(cm);
1438 event = TAILQ_FIRST(&sc->aac_ev_cmfree);
1439 if (event != NULL) {
1440 TAILQ_REMOVE(&sc->aac_ev_cmfree, event, ev_links);
1441 event->ev_callback(sc, event, event->ev_arg);
1446 * Map helper for command/FIB allocation.
1449 aac_map_command_helper(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1453 fibphys = (uint64_t *)arg;
1457 *fibphys = segs[0].ds_addr;
1461 * Allocate and initialise commands/FIBs for this adapter.
1464 aac_alloc_commands(struct aac_softc *sc)
1466 struct aac_command *cm;
1467 struct aac_fibmap *fm;
1473 if (sc->total_fibs + sc->aac_max_fibs_alloc > sc->aac_max_fibs)
1476 fm = kmalloc(sizeof(struct aac_fibmap), M_AACBUF, M_INTWAIT | M_ZERO);
1478 /* allocate the FIBs in DMAable memory and load them */
1479 if (bus_dmamem_alloc(sc->aac_fib_dmat, (void **)&fm->aac_fibs,
1480 BUS_DMA_NOWAIT, &fm->aac_fibmap)) {
1481 device_printf(sc->aac_dev,
1482 "Not enough contiguous memory available.\n");
1483 kfree(fm, M_AACBUF);
1487 /* Ignore errors since this doesn't bounce */
1488 bus_dmamap_load(sc->aac_fib_dmat, fm->aac_fibmap, fm->aac_fibs,
1489 sc->aac_max_fibs_alloc * sc->aac_max_fib_size,
1490 aac_map_command_helper, &fibphys, 0);
1492 /* initialise constant fields in the command structure */
1493 bzero(fm->aac_fibs, sc->aac_max_fibs_alloc * sc->aac_max_fib_size);
1494 for (i = 0; i < sc->aac_max_fibs_alloc; i++) {
1495 cm = sc->aac_commands + sc->total_fibs;
1496 fm->aac_commands = cm;
1498 cm->cm_fib = (struct aac_fib *)
1499 ((u_int8_t *)fm->aac_fibs + i*sc->aac_max_fib_size);
1500 cm->cm_fibphys = fibphys + i*sc->aac_max_fib_size;
1501 cm->cm_index = sc->total_fibs;
1503 if ((error = bus_dmamap_create(sc->aac_buffer_dmat, 0,
1504 &cm->cm_datamap)) != 0)
1506 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
1507 aac_release_command(cm);
1509 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1513 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
1514 TAILQ_INSERT_TAIL(&sc->aac_fibmap_tqh, fm, fm_link);
1515 debug(1, "total_fibs= %d\n", sc->total_fibs);
1516 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1520 bus_dmamap_unload(sc->aac_fib_dmat, fm->aac_fibmap);
1521 bus_dmamem_free(sc->aac_fib_dmat, fm->aac_fibs, fm->aac_fibmap);
1522 kfree(fm, M_AACBUF);
1527 * Free FIBs owned by this adapter.
1530 aac_free_commands(struct aac_softc *sc)
1532 struct aac_fibmap *fm;
1533 struct aac_command *cm;
1538 while ((fm = TAILQ_FIRST(&sc->aac_fibmap_tqh)) != NULL) {
1540 TAILQ_REMOVE(&sc->aac_fibmap_tqh, fm, fm_link);
1542 * We check against total_fibs to handle partially
1545 for (i = 0; i < sc->aac_max_fibs_alloc && sc->total_fibs--; i++) {
1546 cm = fm->aac_commands + i;
1547 bus_dmamap_destroy(sc->aac_buffer_dmat, cm->cm_datamap);
1549 bus_dmamap_unload(sc->aac_fib_dmat, fm->aac_fibmap);
1550 bus_dmamem_free(sc->aac_fib_dmat, fm->aac_fibs, fm->aac_fibmap);
1551 kfree(fm, M_AACBUF);
1556 * Command-mapping helper function - populate this command's s/g table.
1559 aac_map_command_sg(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1561 struct aac_softc *sc;
1562 struct aac_command *cm;
1563 struct aac_fib *fib;
1568 cm = (struct aac_command *)arg;
1572 /* copy into the FIB */
1573 if (cm->cm_sgtable != NULL) {
1574 if (fib->Header.Command == RawIo) {
1575 struct aac_sg_tableraw *sg;
1576 sg = (struct aac_sg_tableraw *)cm->cm_sgtable;
1578 for (i = 0; i < nseg; i++) {
1579 sg->SgEntryRaw[i].SgAddress = segs[i].ds_addr;
1580 sg->SgEntryRaw[i].SgByteCount = segs[i].ds_len;
1581 sg->SgEntryRaw[i].Next = 0;
1582 sg->SgEntryRaw[i].Prev = 0;
1583 sg->SgEntryRaw[i].Flags = 0;
1585 /* update the FIB size for the s/g count */
1586 fib->Header.Size += nseg*sizeof(struct aac_sg_entryraw);
1587 } else if ((cm->cm_sc->flags & AAC_FLAGS_SG_64BIT) == 0) {
1588 struct aac_sg_table *sg;
1589 sg = cm->cm_sgtable;
1591 for (i = 0; i < nseg; i++) {
1592 sg->SgEntry[i].SgAddress = segs[i].ds_addr;
1593 sg->SgEntry[i].SgByteCount = segs[i].ds_len;
1595 /* update the FIB size for the s/g count */
1596 fib->Header.Size += nseg*sizeof(struct aac_sg_entry);
1598 struct aac_sg_table64 *sg;
1599 sg = (struct aac_sg_table64 *)cm->cm_sgtable;
1601 for (i = 0; i < nseg; i++) {
1602 sg->SgEntry64[i].SgAddress = segs[i].ds_addr;
1603 sg->SgEntry64[i].SgByteCount = segs[i].ds_len;
1605 /* update the FIB size for the s/g count */
1606 fib->Header.Size += nseg*sizeof(struct aac_sg_entry64);
1610 /* Fix up the address values in the FIB. Use the command array index
1611 * instead of a pointer since these fields are only 32 bits. Shift
1612 * the SenderFibAddress over to make room for the fast response bit
1613 * and for the AIF bit
1615 cm->cm_fib->Header.SenderFibAddress = (cm->cm_index << 2);
1616 cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys;
1618 /* save a pointer to the command for speedy reverse-lookup */
1619 cm->cm_fib->Header.SenderData = cm->cm_index;
1621 if (cm->cm_flags & AAC_CMD_DATAIN)
1622 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1623 BUS_DMASYNC_PREREAD);
1624 if (cm->cm_flags & AAC_CMD_DATAOUT)
1625 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1626 BUS_DMASYNC_PREWRITE);
1627 cm->cm_flags |= AAC_CMD_MAPPED;
1629 if (sc->flags & AAC_FLAGS_NEW_COMM) {
1630 int count = 10000000L;
1631 while (AAC_SEND_COMMAND(sc, cm) != 0) {
1633 aac_unmap_command(cm);
1634 sc->flags |= AAC_QUEUE_FRZN;
1635 aac_requeue_ready(cm);
1638 DELAY(5); /* wait 5 usec. */
1641 /* Put the FIB on the outbound queue */
1642 if (aac_enqueue_fib(sc, cm->cm_queue, cm) == EBUSY) {
1643 aac_unmap_command(cm);
1644 sc->flags |= AAC_QUEUE_FRZN;
1645 aac_requeue_ready(cm);
1651 * Unmap a command from controller-visible space.
1654 aac_unmap_command(struct aac_command *cm)
1656 struct aac_softc *sc;
1662 if (!(cm->cm_flags & AAC_CMD_MAPPED))
1665 if (cm->cm_datalen != 0) {
1666 if (cm->cm_flags & AAC_CMD_DATAIN)
1667 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1668 BUS_DMASYNC_POSTREAD);
1669 if (cm->cm_flags & AAC_CMD_DATAOUT)
1670 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1671 BUS_DMASYNC_POSTWRITE);
1673 bus_dmamap_unload(sc->aac_buffer_dmat, cm->cm_datamap);
1675 cm->cm_flags &= ~AAC_CMD_MAPPED;
1679 * Hardware Interface
1683 * Initialise the adapter.
1686 aac_common_map(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1688 struct aac_softc *sc;
1692 sc = (struct aac_softc *)arg;
1694 sc->aac_common_busaddr = segs[0].ds_addr;
1698 aac_check_firmware(struct aac_softc *sc)
1700 u_int32_t major, minor, options = 0, atu_size = 0;
1706 * Retrieve the firmware version numbers. Dell PERC2/QC cards with
1707 * firmware version 1.x are not compatible with this driver.
1709 if (sc->flags & AAC_FLAGS_PERC2QC) {
1710 if (aac_sync_command(sc, AAC_MONKER_GETKERNVER, 0, 0, 0, 0,
1712 device_printf(sc->aac_dev,
1713 "Error reading firmware version\n");
1717 /* These numbers are stored as ASCII! */
1718 major = (AAC_GET_MAILBOX(sc, 1) & 0xff) - 0x30;
1719 minor = (AAC_GET_MAILBOX(sc, 2) & 0xff) - 0x30;
1721 device_printf(sc->aac_dev,
1722 "Firmware version %d.%d is not supported.\n",
1729 * Retrieve the capabilities/supported options word so we know what
1730 * work-arounds to enable. Some firmware revs don't support this
1733 if (aac_sync_command(sc, AAC_MONKER_GETINFO, 0, 0, 0, 0, &status)) {
1734 if (status != AAC_SRB_STS_INVALID_REQUEST) {
1735 device_printf(sc->aac_dev,
1736 "RequestAdapterInfo failed\n");
1740 options = AAC_GET_MAILBOX(sc, 1);
1741 atu_size = AAC_GET_MAILBOX(sc, 2);
1742 sc->supported_options = options;
1744 if ((options & AAC_SUPPORTED_4GB_WINDOW) != 0 &&
1745 (sc->flags & AAC_FLAGS_NO4GB) == 0)
1746 sc->flags |= AAC_FLAGS_4GB_WINDOW;
1747 if (options & AAC_SUPPORTED_NONDASD)
1748 sc->flags |= AAC_FLAGS_ENABLE_CAM;
1749 if ((options & AAC_SUPPORTED_SGMAP_HOST64) != 0
1750 && (sizeof(bus_addr_t) > 4)) {
1751 device_printf(sc->aac_dev,
1752 "Enabling 64-bit address support\n");
1753 sc->flags |= AAC_FLAGS_SG_64BIT;
1755 if ((options & AAC_SUPPORTED_NEW_COMM)
1756 && sc->aac_if.aif_send_command)
1757 sc->flags |= AAC_FLAGS_NEW_COMM;
1758 if (options & AAC_SUPPORTED_64BIT_ARRAYSIZE)
1759 sc->flags |= AAC_FLAGS_ARRAY_64BIT;
1762 /* Check for broken hardware that does a lower number of commands */
1763 sc->aac_max_fibs = (sc->flags & AAC_FLAGS_256FIBS ? 256:512);
1765 /* Remap mem. resource, if required */
1766 if ((sc->flags & AAC_FLAGS_NEW_COMM) &&
1767 atu_size > rman_get_size(sc->aac_regs_resource)) {
1768 bus_release_resource(
1769 sc->aac_dev, SYS_RES_MEMORY,
1770 sc->aac_regs_rid, sc->aac_regs_resource);
1771 sc->aac_regs_resource = bus_alloc_resource(
1772 sc->aac_dev, SYS_RES_MEMORY, &sc->aac_regs_rid,
1773 0ul, ~0ul, atu_size, RF_ACTIVE);
1774 if (sc->aac_regs_resource == NULL) {
1775 sc->aac_regs_resource = bus_alloc_resource_any(
1776 sc->aac_dev, SYS_RES_MEMORY,
1777 &sc->aac_regs_rid, RF_ACTIVE);
1778 if (sc->aac_regs_resource == NULL) {
1779 device_printf(sc->aac_dev,
1780 "couldn't allocate register window\n");
1783 sc->flags &= ~AAC_FLAGS_NEW_COMM;
1785 sc->aac_btag = rman_get_bustag(sc->aac_regs_resource);
1786 sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource);
1789 /* Read preferred settings */
1790 sc->aac_max_fib_size = sizeof(struct aac_fib);
1791 sc->aac_max_sectors = 128; /* 64KB */
1792 if (sc->flags & AAC_FLAGS_SG_64BIT)
1793 sc->aac_sg_tablesize = (AAC_FIB_DATASIZE
1794 - sizeof(struct aac_blockwrite64)
1795 + sizeof(struct aac_sg_table64))
1796 / sizeof(struct aac_sg_table64);
1798 sc->aac_sg_tablesize = (AAC_FIB_DATASIZE
1799 - sizeof(struct aac_blockwrite)
1800 + sizeof(struct aac_sg_table))
1801 / sizeof(struct aac_sg_table);
1803 if (!aac_sync_command(sc, AAC_MONKER_GETCOMMPREF, 0, 0, 0, 0, NULL)) {
1804 options = AAC_GET_MAILBOX(sc, 1);
1805 sc->aac_max_fib_size = (options & 0xFFFF);
1806 sc->aac_max_sectors = (options >> 16) << 1;
1807 options = AAC_GET_MAILBOX(sc, 2);
1808 sc->aac_sg_tablesize = (options >> 16);
1809 options = AAC_GET_MAILBOX(sc, 3);
1810 sc->aac_max_fibs = (options & 0xFFFF);
1812 if (sc->aac_max_fib_size > PAGE_SIZE)
1813 sc->aac_max_fib_size = PAGE_SIZE;
1814 sc->aac_max_fibs_alloc = PAGE_SIZE / sc->aac_max_fib_size;
1820 aac_init(struct aac_softc *sc)
1822 struct aac_adapter_init *ip;
1824 u_int32_t code, qoffset;
1830 * First wait for the adapter to come ready.
1834 code = AAC_GET_FWSTATUS(sc);
1835 if (code & AAC_SELF_TEST_FAILED) {
1836 device_printf(sc->aac_dev, "FATAL: selftest failed\n");
1839 if (code & AAC_KERNEL_PANIC) {
1840 device_printf(sc->aac_dev,
1841 "FATAL: controller kernel panic\n");
1844 if (time_second > (then + AAC_BOOT_TIMEOUT)) {
1845 device_printf(sc->aac_dev,
1846 "FATAL: controller not coming ready, "
1847 "status %x\n", code);
1850 } while (!(code & AAC_UP_AND_RUNNING));
1854 * Create DMA tag for mapping buffers into controller-addressable space.
1856 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1857 1, 0, /* algnmnt, boundary */
1858 (sc->flags & AAC_FLAGS_SG_64BIT) ?
1860 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
1861 BUS_SPACE_MAXADDR, /* highaddr */
1862 NULL, NULL, /* filter, filterarg */
1863 MAXBSIZE, /* maxsize */
1864 sc->aac_sg_tablesize, /* nsegments */
1865 MAXBSIZE, /* maxsegsize */
1866 BUS_DMA_ALLOCNOW, /* flags */
1867 &sc->aac_buffer_dmat)) {
1868 device_printf(sc->aac_dev, "can't allocate buffer DMA tag\n");
1873 * Create DMA tag for mapping FIBs into controller-addressable space..
1875 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1876 1, 0, /* algnmnt, boundary */
1877 (sc->flags & AAC_FLAGS_4GB_WINDOW) ?
1878 BUS_SPACE_MAXADDR_32BIT :
1879 0x7fffffff, /* lowaddr */
1880 BUS_SPACE_MAXADDR, /* highaddr */
1881 NULL, NULL, /* filter, filterarg */
1882 sc->aac_max_fibs_alloc *
1883 sc->aac_max_fib_size, /* maxsize */
1885 sc->aac_max_fibs_alloc *
1886 sc->aac_max_fib_size, /* maxsegsize */
1888 &sc->aac_fib_dmat)) {
1889 device_printf(sc->aac_dev, "can't allocate FIB DMA tag\n");
1894 * Create DMA tag for the common structure and allocate it.
1896 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1897 1, 0, /* algnmnt, boundary */
1898 (sc->flags & AAC_FLAGS_4GB_WINDOW) ?
1899 BUS_SPACE_MAXADDR_32BIT :
1900 0x7fffffff, /* lowaddr */
1901 BUS_SPACE_MAXADDR, /* highaddr */
1902 NULL, NULL, /* filter, filterarg */
1903 8192 + sizeof(struct aac_common), /* maxsize */
1905 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
1907 &sc->aac_common_dmat)) {
1908 device_printf(sc->aac_dev,
1909 "can't allocate common structure DMA tag\n");
1912 if (bus_dmamem_alloc(sc->aac_common_dmat, (void **)&sc->aac_common,
1913 BUS_DMA_NOWAIT, &sc->aac_common_dmamap)) {
1914 device_printf(sc->aac_dev, "can't allocate common structure\n");
1918 * Work around a bug in the 2120 and 2200 that cannot DMA commands
1919 * below address 8192 in physical memory.
1920 * XXX If the padding is not needed, can it be put to use instead
1923 bus_dmamap_load(sc->aac_common_dmat, sc->aac_common_dmamap,
1924 sc->aac_common, 8192 + sizeof(*sc->aac_common),
1925 aac_common_map, sc, 0);
1927 if (sc->aac_common_busaddr < 8192) {
1929 (struct aac_common *)((uint8_t *)sc->aac_common + 8192);
1930 sc->aac_common_busaddr += 8192;
1932 bzero(sc->aac_common, sizeof(*sc->aac_common));
1934 /* Allocate some FIBs and associated command structs */
1935 TAILQ_INIT(&sc->aac_fibmap_tqh);
1936 sc->aac_commands = kmalloc(sc->aac_max_fibs * sizeof(struct aac_command),
1937 M_AACBUF, M_INTWAIT | M_ZERO);
1938 while (sc->total_fibs < AAC_PREALLOCATE_FIBS) {
1939 if (aac_alloc_commands(sc) != 0)
1942 if (sc->total_fibs == 0)
1946 * Fill in the init structure. This tells the adapter about the
1947 * physical location of various important shared data structures.
1949 ip = &sc->aac_common->ac_init;
1950 ip->InitStructRevision = AAC_INIT_STRUCT_REVISION;
1951 if (sc->aac_max_fib_size > sizeof(struct aac_fib)) {
1952 ip->InitStructRevision = AAC_INIT_STRUCT_REVISION_4;
1953 sc->flags |= AAC_FLAGS_RAW_IO;
1955 ip->MiniPortRevision = AAC_INIT_STRUCT_MINIPORT_REVISION;
1957 ip->AdapterFibsPhysicalAddress = sc->aac_common_busaddr +
1958 offsetof(struct aac_common, ac_fibs);
1959 ip->AdapterFibsVirtualAddress = 0;
1960 ip->AdapterFibsSize = AAC_ADAPTER_FIBS * sizeof(struct aac_fib);
1961 ip->AdapterFibAlign = sizeof(struct aac_fib);
1963 ip->PrintfBufferAddress = sc->aac_common_busaddr +
1964 offsetof(struct aac_common, ac_printf);
1965 ip->PrintfBufferSize = AAC_PRINTF_BUFSIZE;
1968 * The adapter assumes that pages are 4K in size, except on some
1969 * broken firmware versions that do the page->byte conversion twice,
1970 * therefore 'assuming' that this value is in 16MB units (2^24).
1971 * Round up since the granularity is so high.
1973 /* XXX why should the adapter care? */
1974 ip->HostPhysMemPages = ctob((int)Maxmem) / AAC_PAGE_SIZE;
1975 if (sc->flags & AAC_FLAGS_BROKEN_MEMMAP) {
1976 ip->HostPhysMemPages =
1977 (ip->HostPhysMemPages + AAC_PAGE_SIZE) / AAC_PAGE_SIZE;
1979 ip->HostElapsedSeconds = time_second; /* reset later if invalid */
1982 if (sc->flags & AAC_FLAGS_NEW_COMM) {
1983 ip->InitFlags = INITFLAGS_NEW_COMM_SUPPORTED;
1984 device_printf(sc->aac_dev, "New comm. interface enabled\n");
1987 ip->MaxIoCommands = sc->aac_max_fibs;
1988 ip->MaxIoSize = sc->aac_max_sectors << 9;
1989 ip->MaxFibSize = sc->aac_max_fib_size;
1992 * Initialise FIB queues. Note that it appears that the layout of the
1993 * indexes and the segmentation of the entries may be mandated by the
1994 * adapter, which is only told about the base of the queue index fields.
1996 * The initial values of the indices are assumed to inform the adapter
1997 * of the sizes of the respective queues, and theoretically it could
1998 * work out the entire layout of the queue structures from this. We
1999 * take the easy route and just lay this area out like everyone else
2002 * The Linux driver uses a much more complex scheme whereby several
2003 * header records are kept for each queue. We use a couple of generic
2004 * list manipulation functions which 'know' the size of each list by
2005 * virtue of a table.
2007 qoffset = offsetof(struct aac_common, ac_qbuf) + AAC_QUEUE_ALIGN;
2008 qoffset &= ~(AAC_QUEUE_ALIGN - 1);
2010 (struct aac_queue_table *)((uintptr_t)sc->aac_common + qoffset);
2011 ip->CommHeaderAddress = sc->aac_common_busaddr + qoffset;
2013 sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
2014 AAC_HOST_NORM_CMD_ENTRIES;
2015 sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
2016 AAC_HOST_NORM_CMD_ENTRIES;
2017 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
2018 AAC_HOST_HIGH_CMD_ENTRIES;
2019 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
2020 AAC_HOST_HIGH_CMD_ENTRIES;
2021 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
2022 AAC_ADAP_NORM_CMD_ENTRIES;
2023 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
2024 AAC_ADAP_NORM_CMD_ENTRIES;
2025 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
2026 AAC_ADAP_HIGH_CMD_ENTRIES;
2027 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
2028 AAC_ADAP_HIGH_CMD_ENTRIES;
2029 sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]=
2030 AAC_HOST_NORM_RESP_ENTRIES;
2031 sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]=
2032 AAC_HOST_NORM_RESP_ENTRIES;
2033 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]=
2034 AAC_HOST_HIGH_RESP_ENTRIES;
2035 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]=
2036 AAC_HOST_HIGH_RESP_ENTRIES;
2037 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]=
2038 AAC_ADAP_NORM_RESP_ENTRIES;
2039 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]=
2040 AAC_ADAP_NORM_RESP_ENTRIES;
2041 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]=
2042 AAC_ADAP_HIGH_RESP_ENTRIES;
2043 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]=
2044 AAC_ADAP_HIGH_RESP_ENTRIES;
2045 sc->aac_qentries[AAC_HOST_NORM_CMD_QUEUE] =
2046 &sc->aac_queues->qt_HostNormCmdQueue[0];
2047 sc->aac_qentries[AAC_HOST_HIGH_CMD_QUEUE] =
2048 &sc->aac_queues->qt_HostHighCmdQueue[0];
2049 sc->aac_qentries[AAC_ADAP_NORM_CMD_QUEUE] =
2050 &sc->aac_queues->qt_AdapNormCmdQueue[0];
2051 sc->aac_qentries[AAC_ADAP_HIGH_CMD_QUEUE] =
2052 &sc->aac_queues->qt_AdapHighCmdQueue[0];
2053 sc->aac_qentries[AAC_HOST_NORM_RESP_QUEUE] =
2054 &sc->aac_queues->qt_HostNormRespQueue[0];
2055 sc->aac_qentries[AAC_HOST_HIGH_RESP_QUEUE] =
2056 &sc->aac_queues->qt_HostHighRespQueue[0];
2057 sc->aac_qentries[AAC_ADAP_NORM_RESP_QUEUE] =
2058 &sc->aac_queues->qt_AdapNormRespQueue[0];
2059 sc->aac_qentries[AAC_ADAP_HIGH_RESP_QUEUE] =
2060 &sc->aac_queues->qt_AdapHighRespQueue[0];
2063 * Do controller-type-specific initialisation
2065 switch (sc->aac_hwif) {
2066 case AAC_HWIF_I960RX:
2067 AAC_SETREG4(sc, AAC_RX_ODBR, ~0);
2070 AAC_SETREG4(sc, AAC_RKT_ODBR, ~0);
2077 * Give the init structure to the controller.
2079 if (aac_sync_command(sc, AAC_MONKER_INITSTRUCT,
2080 sc->aac_common_busaddr +
2081 offsetof(struct aac_common, ac_init), 0, 0, 0,
2083 device_printf(sc->aac_dev,
2084 "error establishing init structure\n");
2095 * Send a synchronous command to the controller and wait for a result.
2096 * Indicate if the controller completed the command with an error status.
2099 aac_sync_command(struct aac_softc *sc, u_int32_t command,
2100 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3,
2108 /* populate the mailbox */
2109 AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3);
2111 /* ensure the sync command doorbell flag is cleared */
2112 AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
2114 /* then set it to signal the adapter */
2115 AAC_QNOTIFY(sc, AAC_DB_SYNC_COMMAND);
2117 /* spin waiting for the command to complete */
2120 if (time_second > (then + AAC_IMMEDIATE_TIMEOUT)) {
2121 debug(1, "timed out");
2124 } while (!(AAC_GET_ISTATUS(sc) & AAC_DB_SYNC_COMMAND));
2126 /* clear the completion flag */
2127 AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
2129 /* get the command status */
2130 status = AAC_GET_MAILBOX(sc, 0);
2134 if (status != AAC_SRB_STS_SUCCESS)
2140 aac_sync_fib(struct aac_softc *sc, u_int32_t command, u_int32_t xferstate,
2141 struct aac_fib *fib, u_int16_t datasize)
2144 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
2146 if (datasize > AAC_FIB_DATASIZE)
2150 * Set up the sync FIB
2152 fib->Header.XferState = AAC_FIBSTATE_HOSTOWNED |
2153 AAC_FIBSTATE_INITIALISED |
2155 fib->Header.XferState |= xferstate;
2156 fib->Header.Command = command;
2157 fib->Header.StructType = AAC_FIBTYPE_TFIB;
2158 fib->Header.Size = sizeof(struct aac_fib) + datasize;
2159 fib->Header.SenderSize = sizeof(struct aac_fib);
2160 fib->Header.SenderFibAddress = 0; /* Not needed */
2161 fib->Header.ReceiverFibAddress = sc->aac_common_busaddr +
2162 offsetof(struct aac_common,
2166 * Give the FIB to the controller, wait for a response.
2168 if (aac_sync_command(sc, AAC_MONKER_SYNCFIB,
2169 fib->Header.ReceiverFibAddress, 0, 0, 0, NULL)) {
2170 debug(2, "IO error");
2178 * Adapter-space FIB queue manipulation
2180 * Note that the queue implementation here is a little funky; neither the PI or
2181 * CI will ever be zero. This behaviour is a controller feature.
2187 {AAC_HOST_NORM_CMD_ENTRIES, AAC_DB_COMMAND_NOT_FULL},
2188 {AAC_HOST_HIGH_CMD_ENTRIES, 0},
2189 {AAC_ADAP_NORM_CMD_ENTRIES, AAC_DB_COMMAND_READY},
2190 {AAC_ADAP_HIGH_CMD_ENTRIES, 0},
2191 {AAC_HOST_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_NOT_FULL},
2192 {AAC_HOST_HIGH_RESP_ENTRIES, 0},
2193 {AAC_ADAP_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_READY},
2194 {AAC_ADAP_HIGH_RESP_ENTRIES, 0}
2198 * Atomically insert an entry into the nominated queue, returns 0 on success or
2199 * EBUSY if the queue is full.
2201 * Note: it would be more efficient to defer notifying the controller in
2202 * the case where we may be inserting several entries in rapid succession,
2203 * but implementing this usefully may be difficult (it would involve a
2204 * separate queue/notify interface).
2207 aac_enqueue_fib(struct aac_softc *sc, int queue, struct aac_command *cm)
2216 fib_size = cm->cm_fib->Header.Size;
2217 fib_addr = cm->cm_fib->Header.ReceiverFibAddress;
2219 /* get the producer/consumer indices */
2220 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
2221 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
2223 /* wrap the queue? */
2224 if (pi >= aac_qinfo[queue].size)
2227 /* check for queue full */
2228 if ((pi + 1) == ci) {
2233 * To avoid a race with its completion interrupt, place this command on
2234 * the busy queue prior to advertising it to the controller.
2236 aac_enqueue_busy(cm);
2240 /* populate queue entry */
2241 (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size;
2242 (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr;
2244 /* update producer index */
2245 sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1;
2247 /* notify the adapter if we know how */
2248 if (aac_qinfo[queue].notify != 0)
2249 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
2258 * Atomically remove one entry from the nominated queue, returns 0 on
2259 * success or ENOENT if the queue is empty.
2262 aac_dequeue_fib(struct aac_softc *sc, int queue, u_int32_t *fib_size,
2263 struct aac_fib **fib_addr)
2266 u_int32_t fib_index;
2272 /* get the producer/consumer indices */
2273 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
2274 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
2276 /* check for queue empty */
2282 /* wrap the pi so the following test works */
2283 if (pi >= aac_qinfo[queue].size)
2290 /* wrap the queue? */
2291 if (ci >= aac_qinfo[queue].size)
2294 /* fetch the entry */
2295 *fib_size = (sc->aac_qentries[queue] + ci)->aq_fib_size;
2298 case AAC_HOST_NORM_CMD_QUEUE:
2299 case AAC_HOST_HIGH_CMD_QUEUE:
2301 * The aq_fib_addr is only 32 bits wide so it can't be counted
2302 * on to hold an address. For AIF's, the adapter assumes
2303 * that it's giving us an address into the array of AIF fibs.
2304 * Therefore, we have to convert it to an index.
2306 fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr /
2307 sizeof(struct aac_fib);
2308 *fib_addr = &sc->aac_common->ac_fibs[fib_index];
2311 case AAC_HOST_NORM_RESP_QUEUE:
2312 case AAC_HOST_HIGH_RESP_QUEUE:
2314 struct aac_command *cm;
2317 * As above, an index is used instead of an actual address.
2318 * Gotta shift the index to account for the fast response
2319 * bit. No other correction is needed since this value was
2320 * originally provided by the driver via the SenderFibAddress
2323 fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr;
2324 cm = sc->aac_commands + (fib_index >> 2);
2325 *fib_addr = cm->cm_fib;
2328 * Is this a fast response? If it is, update the fib fields in
2329 * local memory since the whole fib isn't DMA'd back up.
2331 if (fib_index & 0x01) {
2332 (*fib_addr)->Header.XferState |= AAC_FIBSTATE_DONEADAP;
2333 *((u_int32_t*)((*fib_addr)->data)) = AAC_ERROR_NORMAL;
2338 panic("Invalid queue in aac_dequeue_fib()");
2342 /* update consumer index */
2343 sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX] = ci + 1;
2345 /* if we have made the queue un-full, notify the adapter */
2346 if (notify && (aac_qinfo[queue].notify != 0))
2347 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
2355 * Put our response to an Adapter Initialed Fib on the response queue
2358 aac_enqueue_response(struct aac_softc *sc, int queue, struct aac_fib *fib)
2367 /* Tell the adapter where the FIB is */
2368 fib_size = fib->Header.Size;
2369 fib_addr = fib->Header.SenderFibAddress;
2370 fib->Header.ReceiverFibAddress = fib_addr;
2372 /* get the producer/consumer indices */
2373 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
2374 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
2376 /* wrap the queue? */
2377 if (pi >= aac_qinfo[queue].size)
2380 /* check for queue full */
2381 if ((pi + 1) == ci) {
2386 /* populate queue entry */
2387 (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size;
2388 (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr;
2390 /* update producer index */
2391 sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1;
2393 /* notify the adapter if we know how */
2394 if (aac_qinfo[queue].notify != 0)
2395 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
2404 * Check for commands that have been outstanding for a suspiciously long time,
2405 * and complain about them.
2408 aac_timeout(void *xsc)
2410 struct aac_softc *sc = xsc;
2411 struct aac_command *cm;
2415 * Traverse the busy command list, bitch about late commands once
2419 deadline = time_second - AAC_CMD_TIMEOUT;
2420 TAILQ_FOREACH(cm, &sc->aac_busy, cm_link) {
2421 if ((cm->cm_timestamp < deadline)
2422 /* && !(cm->cm_flags & AAC_CMD_TIMEDOUT) */) {
2423 cm->cm_flags |= AAC_CMD_TIMEDOUT;
2424 device_printf(sc->aac_dev,
2425 "COMMAND %p TIMEOUT AFTER %d SECONDS\n",
2426 cm, (int)(time_second-cm->cm_timestamp));
2427 AAC_PRINT_FIB(sc, cm->cm_fib);
2432 code = AAC_GET_FWSTATUS(sc);
2433 if (code != AAC_UP_AND_RUNNING) {
2434 device_printf(sc->aac_dev, "WARNING! Controller is no "
2435 "longer running! code= 0x%x\n", code);
2442 * Interface Function Vectors
2446 * Read the current firmware status word.
2449 aac_sa_get_fwstatus(struct aac_softc *sc)
2453 return(AAC_GETREG4(sc, AAC_SA_FWSTATUS));
2457 aac_rx_get_fwstatus(struct aac_softc *sc)
2461 return(AAC_GETREG4(sc, AAC_RX_FWSTATUS));
2465 aac_fa_get_fwstatus(struct aac_softc *sc)
2471 val = AAC_GETREG4(sc, AAC_FA_FWSTATUS);
2476 aac_rkt_get_fwstatus(struct aac_softc *sc)
2480 return(AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
2484 * Notify the controller of a change in a given queue
2488 aac_sa_qnotify(struct aac_softc *sc, int qbit)
2492 AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
2496 aac_rx_qnotify(struct aac_softc *sc, int qbit)
2500 AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
2504 aac_fa_qnotify(struct aac_softc *sc, int qbit)
2508 AAC_SETREG2(sc, AAC_FA_DOORBELL1, qbit);
2513 aac_rkt_qnotify(struct aac_softc *sc, int qbit)
2517 AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
2521 * Get the interrupt reason bits
2524 aac_sa_get_istatus(struct aac_softc *sc)
2528 return(AAC_GETREG2(sc, AAC_SA_DOORBELL0));
2532 aac_rx_get_istatus(struct aac_softc *sc)
2536 return(AAC_GETREG4(sc, AAC_RX_ODBR));
2540 aac_fa_get_istatus(struct aac_softc *sc)
2546 val = AAC_GETREG2(sc, AAC_FA_DOORBELL0);
2551 aac_rkt_get_istatus(struct aac_softc *sc)
2555 return(AAC_GETREG4(sc, AAC_RKT_ODBR));
2559 * Clear some interrupt reason bits
2562 aac_sa_clear_istatus(struct aac_softc *sc, int mask)
2566 AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
2570 aac_rx_clear_istatus(struct aac_softc *sc, int mask)
2574 AAC_SETREG4(sc, AAC_RX_ODBR, mask);
2578 aac_fa_clear_istatus(struct aac_softc *sc, int mask)
2582 AAC_SETREG2(sc, AAC_FA_DOORBELL0_CLEAR, mask);
2587 aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
2591 AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
2595 * Populate the mailbox and set the command word
2598 aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
2599 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2603 AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
2604 AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
2605 AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
2606 AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
2607 AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
2611 aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
2612 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2616 AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
2617 AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
2618 AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
2619 AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
2620 AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
2624 aac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command,
2625 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2629 AAC_SETREG4(sc, AAC_FA_MAILBOX, command);
2631 AAC_SETREG4(sc, AAC_FA_MAILBOX + 4, arg0);
2633 AAC_SETREG4(sc, AAC_FA_MAILBOX + 8, arg1);
2635 AAC_SETREG4(sc, AAC_FA_MAILBOX + 12, arg2);
2637 AAC_SETREG4(sc, AAC_FA_MAILBOX + 16, arg3);
2642 aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0,
2643 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2647 AAC_SETREG4(sc, AAC_RKT_MAILBOX, command);
2648 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
2649 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
2650 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
2651 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
2655 * Fetch the immediate command status word
2658 aac_sa_get_mailbox(struct aac_softc *sc, int mb)
2662 return(AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
2666 aac_rx_get_mailbox(struct aac_softc *sc, int mb)
2670 return(AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
2674 aac_fa_get_mailbox(struct aac_softc *sc, int mb)
2680 val = AAC_GETREG4(sc, AAC_FA_MAILBOX + (mb * 4));
2685 aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
2689 return(AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
2693 * Set/clear interrupt masks
2696 aac_sa_set_interrupts(struct aac_softc *sc, int enable)
2698 debug(2, "%sable interrupts", enable ? "en" : "dis");
2701 AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
2703 AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
2708 aac_rx_set_interrupts(struct aac_softc *sc, int enable)
2710 debug(2, "%sable interrupts", enable ? "en" : "dis");
2713 if (sc->flags & AAC_FLAGS_NEW_COMM)
2714 AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INT_NEW_COMM);
2716 AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
2718 AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
2723 aac_fa_set_interrupts(struct aac_softc *sc, int enable)
2725 debug(2, "%sable interrupts", enable ? "en" : "dis");
2728 AAC_SETREG2((sc), AAC_FA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
2731 AAC_SETREG2((sc), AAC_FA_MASK0, ~0);
2737 aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
2739 debug(2, "%sable interrupts", enable ? "en" : "dis");
2742 if (sc->flags & AAC_FLAGS_NEW_COMM)
2743 AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
2745 AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
2747 AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
2752 * New comm. interface: Send command functions
2755 aac_rx_send_command(struct aac_softc *sc, struct aac_command *cm)
2757 u_int32_t index, device;
2759 debug(2, "send command (new comm.)");
2761 index = AAC_GETREG4(sc, AAC_RX_IQUE);
2762 if (index == 0xffffffffL)
2763 index = AAC_GETREG4(sc, AAC_RX_IQUE);
2764 if (index == 0xffffffffL)
2766 aac_enqueue_busy(cm);
2768 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys & 0xffffffffUL));
2770 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys >> 32));
2772 AAC_SETREG4(sc, device, cm->cm_fib->Header.Size);
2773 AAC_SETREG4(sc, AAC_RX_IQUE, index);
2778 aac_rkt_send_command(struct aac_softc *sc, struct aac_command *cm)
2780 u_int32_t index, device;
2782 debug(2, "send command (new comm.)");
2784 index = AAC_GETREG4(sc, AAC_RKT_IQUE);
2785 if (index == 0xffffffffL)
2786 index = AAC_GETREG4(sc, AAC_RKT_IQUE);
2787 if (index == 0xffffffffL)
2789 aac_enqueue_busy(cm);
2791 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys & 0xffffffffUL));
2793 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys >> 32));
2795 AAC_SETREG4(sc, device, cm->cm_fib->Header.Size);
2796 AAC_SETREG4(sc, AAC_RKT_IQUE, index);
2801 * New comm. interface: get, set outbound queue index
2804 aac_rx_get_outb_queue(struct aac_softc *sc)
2808 return(AAC_GETREG4(sc, AAC_RX_OQUE));
2812 aac_rkt_get_outb_queue(struct aac_softc *sc)
2816 return(AAC_GETREG4(sc, AAC_RKT_OQUE));
2820 aac_rx_set_outb_queue(struct aac_softc *sc, int index)
2824 AAC_SETREG4(sc, AAC_RX_OQUE, index);
2828 aac_rkt_set_outb_queue(struct aac_softc *sc, int index)
2832 AAC_SETREG4(sc, AAC_RKT_OQUE, index);
2836 * Debugging and Diagnostics
2840 * Print some information about the controller.
2843 aac_describe_controller(struct aac_softc *sc)
2845 struct aac_fib *fib;
2846 struct aac_adapter_info *info;
2850 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
2851 aac_alloc_sync_fib(sc, &fib);
2854 if (aac_sync_fib(sc, RequestAdapterInfo, 0, fib, 1)) {
2855 device_printf(sc->aac_dev, "RequestAdapterInfo failed\n");
2856 aac_release_sync_fib(sc);
2857 AAC_LOCK_RELEASE(&sc->aac_io_lock);
2861 /* save the kernel revision structure for later use */
2862 info = (struct aac_adapter_info *)&fib->data[0];
2863 sc->aac_revision = info->KernelRevision;
2865 device_printf(sc->aac_dev, "Adaptec Raid Controller %d.%d.%d-%d\n",
2866 AAC_DRIVER_VERSION >> 24,
2867 (AAC_DRIVER_VERSION >> 16) & 0xFF,
2868 AAC_DRIVER_VERSION & 0xFF,
2872 device_printf(sc->aac_dev, "%s %dMHz, %dMB memory "
2873 "(%dMB cache, %dMB execution), %s\n",
2874 aac_describe_code(aac_cpu_variant, info->CpuVariant),
2875 info->ClockSpeed, info->TotalMem / (1024 * 1024),
2876 info->BufferMem / (1024 * 1024),
2877 info->ExecutionMem / (1024 * 1024),
2878 aac_describe_code(aac_battery_platform,
2879 info->batteryPlatform));
2881 device_printf(sc->aac_dev,
2882 "Kernel %d.%d-%d, Build %d, S/N %6X\n",
2883 info->KernelRevision.external.comp.major,
2884 info->KernelRevision.external.comp.minor,
2885 info->KernelRevision.external.comp.dash,
2886 info->KernelRevision.buildNumber,
2887 (u_int32_t)(info->SerialNumber & 0xffffff));
2889 device_printf(sc->aac_dev, "Supported Options=%b\n",
2890 sc->supported_options,
2912 aac_release_sync_fib(sc);
2913 AAC_LOCK_RELEASE(&sc->aac_io_lock);
2917 * Look up a text description of a numeric error code and return a pointer to
2921 aac_describe_code(struct aac_code_lookup *table, u_int32_t code)
2925 for (i = 0; table[i].string != NULL; i++)
2926 if (table[i].code == code)
2927 return(table[i].string);
2928 return(table[i + 1].string);
2932 * Management Interface
2936 aac_open(struct dev_open_args *ap)
2938 cdev_t dev = ap->a_head.a_dev;
2939 struct aac_softc *sc;
2945 /* Check to make sure the device isn't already open */
2946 if (sc->aac_state & AAC_STATE_OPEN) {
2949 sc->aac_state |= AAC_STATE_OPEN;
2955 aac_close(struct dev_close_args *ap)
2957 cdev_t dev = ap->a_head.a_dev;
2958 struct aac_softc *sc;
2964 /* Mark this unit as no longer open */
2965 sc->aac_state &= ~AAC_STATE_OPEN;
2971 aac_ioctl(struct dev_ioctl_args *ap)
2973 cdev_t dev = ap->a_head.a_dev;
2974 caddr_t arg = ap->a_data;
2975 struct aac_softc *sc = dev->si_drv1;
2981 if (ap->a_cmd == AACIO_STATS) {
2982 union aac_statrequest *as = (union aac_statrequest *)arg;
2984 switch (as->as_item) {
2990 bcopy(&sc->aac_qstat[as->as_item], &as->as_qstat,
2991 sizeof(struct aac_qstat));
3000 arg = *(caddr_t *)arg;
3002 switch (ap->a_cmd) {
3003 /* AACIO_STATS already handled above */
3004 case FSACTL_SENDFIB:
3005 debug(1, "FSACTL_SENDFIB");
3006 error = aac_ioctl_sendfib(sc, arg);
3008 case FSACTL_AIF_THREAD:
3009 debug(1, "FSACTL_AIF_THREAD");
3012 case FSACTL_OPEN_GET_ADAPTER_FIB:
3013 debug(1, "FSACTL_OPEN_GET_ADAPTER_FIB");
3015 * Pass the caller out an AdapterFibContext.
3017 * Note that because we only support one opener, we
3018 * basically ignore this. Set the caller's context to a magic
3019 * number just in case.
3021 * The Linux code hands the driver a pointer into kernel space,
3022 * and then trusts it when the caller hands it back. Aiee!
3023 * Here, we give it the proc pointer of the per-adapter aif
3024 * thread. It's only used as a sanity check in other calls.
3026 cookie = (uint32_t)(uintptr_t)sc->aifthread;
3027 error = copyout(&cookie, arg, sizeof(cookie));
3029 case FSACTL_GET_NEXT_ADAPTER_FIB:
3030 debug(1, "FSACTL_GET_NEXT_ADAPTER_FIB");
3031 error = aac_getnext_aif(sc, arg);
3033 case FSACTL_CLOSE_GET_ADAPTER_FIB:
3034 debug(1, "FSACTL_CLOSE_GET_ADAPTER_FIB");
3035 /* don't do anything here */
3037 case FSACTL_MINIPORT_REV_CHECK:
3038 debug(1, "FSACTL_MINIPORT_REV_CHECK");
3039 error = aac_rev_check(sc, arg);
3041 case FSACTL_QUERY_DISK:
3042 debug(1, "FSACTL_QUERY_DISK");
3043 error = aac_query_disk(sc, arg);
3045 case FSACTL_DELETE_DISK:
3047 * We don't trust the underland to tell us when to delete a
3048 * container, rather we rely on an AIF coming from the
3053 case FSACTL_GET_PCI_INFO:
3054 arg = *(caddr_t*)arg;
3055 case FSACTL_LNX_GET_PCI_INFO:
3056 debug(1, "FSACTL_GET_PCI_INFO");
3057 error = aac_get_pci_info(sc, arg);
3060 debug(1, "unsupported cmd 0x%lx\n", ap->a_cmd);
3068 aac_poll(struct dev_poll_args *ap)
3070 cdev_t dev = ap->a_head.a_dev;
3071 struct aac_softc *sc;
3077 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
3078 if ((ap->a_events & (POLLRDNORM | POLLIN)) != 0) {
3079 if (sc->aac_aifq_tail != sc->aac_aifq_head)
3080 revents |= ap->a_events & (POLLIN | POLLRDNORM);
3082 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3085 if (ap->a_events & (POLLIN | POLLRDNORM))
3086 selrecord(curthread, &sc->rcv_select);
3088 ap->a_events = revents;
3092 static struct filterops aac_filterops =
3093 { 1, NULL, aac_filter_detach, aac_filter };
3096 aac_kqfilter(struct dev_kqfilter_args *ap)
3098 cdev_t dev = ap->a_head.a_dev;
3099 struct aac_softc *sc = dev->si_drv1;
3100 struct knote *kn = ap->a_kn;
3101 struct klist *klist;
3105 switch (kn->kn_filter) {
3107 kn->kn_fop = &aac_filterops;
3108 kn->kn_hook = (caddr_t)sc;
3111 ap->a_result = EOPNOTSUPP;
3116 klist = &sc->rcv_select.si_note;
3117 SLIST_INSERT_HEAD(klist, kn, kn_selnext);
3124 aac_filter_detach(struct knote *kn)
3126 struct aac_softc *sc = (struct aac_softc *)kn->kn_hook;
3127 struct klist *klist;
3130 klist = &sc->rcv_select.si_note;
3131 SLIST_REMOVE(klist, kn, knote, kn_selnext);
3136 aac_filter(struct knote *kn, long hint)
3138 struct aac_softc *sc = (struct aac_softc *)kn->kn_hook;
3141 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
3142 if (sc->aac_aifq_tail != sc->aac_aifq_head)
3144 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3151 aac_ioctl_event(struct aac_softc *sc, struct aac_event *event, void *arg)
3154 switch (event->ev_type) {
3155 case AAC_EVENT_CMFREE:
3156 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3157 if (aac_alloc_command(sc, (struct aac_command **)arg)) {
3158 aac_add_event(sc, event);
3159 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3162 kfree(event, M_AACBUF);
3164 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3172 * Send a FIB supplied from userspace
3175 aac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib)
3177 struct aac_command *cm;
3187 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3188 if (aac_alloc_command(sc, &cm)) {
3189 struct aac_event *event;
3191 event = kmalloc(sizeof(struct aac_event), M_AACBUF,
3192 M_INTWAIT | M_ZERO);
3193 event->ev_type = AAC_EVENT_CMFREE;
3194 event->ev_callback = aac_ioctl_event;
3195 event->ev_arg = &cm;
3196 aac_add_event(sc, event);
3197 tsleep_interlock(&cm, 0);
3198 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3199 tsleep(&cm, PINTERLOCKED, "sendfib", 0);
3200 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3202 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3205 * Fetch the FIB header, then re-copy to get data as well.
3207 if ((error = copyin(ufib, cm->cm_fib,
3208 sizeof(struct aac_fib_header))) != 0)
3210 size = cm->cm_fib->Header.Size + sizeof(struct aac_fib_header);
3211 if (size > sizeof(struct aac_fib)) {
3212 device_printf(sc->aac_dev, "incoming FIB oversized (%d > %zd)\n",
3213 size, sizeof(struct aac_fib));
3214 size = sizeof(struct aac_fib);
3216 if ((error = copyin(ufib, cm->cm_fib, size)) != 0)
3218 cm->cm_fib->Header.Size = size;
3219 cm->cm_timestamp = time_second;
3222 * Pass the FIB to the controller, wait for it to complete.
3224 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3225 if ((error = aac_wait_command(cm)) != 0) {
3226 device_printf(sc->aac_dev,
3227 "aac_wait_command return %d\n", error);
3230 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3233 * Copy the FIB and data back out to the caller.
3235 size = cm->cm_fib->Header.Size;
3236 if (size > sizeof(struct aac_fib)) {
3237 device_printf(sc->aac_dev, "outbound FIB oversized (%d > %zd)\n",
3238 size, sizeof(struct aac_fib));
3239 size = sizeof(struct aac_fib);
3241 error = copyout(cm->cm_fib, ufib, size);
3242 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3246 aac_release_command(cm);
3249 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3254 * Handle an AIF sent to us by the controller; queue it for later reference.
3255 * If the queue fills up, then drop the older entries.
3258 aac_handle_aif(struct aac_softc *sc, struct aac_fib *fib)
3260 struct aac_aif_command *aif;
3261 struct aac_container *co, *co_next;
3262 struct aac_mntinfo *mi;
3263 struct aac_mntinforesp *mir = NULL;
3266 int count = 0, added = 0, i = 0;
3270 aif = (struct aac_aif_command*)&fib->data[0];
3271 aac_print_aif(sc, aif);
3273 /* Is it an event that we should care about? */
3274 switch (aif->command) {
3275 case AifCmdEventNotify:
3276 switch (aif->data.EN.type) {
3277 case AifEnAddContainer:
3278 case AifEnDeleteContainer:
3280 * A container was added or deleted, but the message
3281 * doesn't tell us anything else! Re-enumerate the
3282 * containers and sort things out.
3284 aac_alloc_sync_fib(sc, &fib);
3285 mi = (struct aac_mntinfo *)&fib->data[0];
3288 * Ask the controller for its containers one at
3290 * XXX What if the controller's list changes
3291 * midway through this enumaration?
3292 * XXX This should be done async.
3294 bzero(mi, sizeof(struct aac_mntinfo));
3295 mi->Command = VM_NameServe;
3296 mi->MntType = FT_FILESYS;
3298 rsize = sizeof(mir);
3299 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
3300 sizeof(struct aac_mntinfo))) {
3301 device_printf(sc->aac_dev,
3302 "Error probing container %d\n", i);
3306 mir = (struct aac_mntinforesp *)&fib->data[0];
3307 /* XXX Need to check if count changed */
3308 count = mir->MntRespCount;
3311 * Check the container against our list.
3312 * co->co_found was already set to 0 in a
3315 if ((mir->Status == ST_OK) &&
3316 (mir->MntTable[0].VolType != CT_NONE)) {
3319 &sc->aac_container_tqh,
3321 if (co->co_mntobj.ObjectId ==
3322 mir->MntTable[0].ObjectId) {
3329 * If the container matched, continue
3338 * This is a new container. Do all the
3339 * appropriate things to set it up.
3341 aac_add_container(sc, mir, 1);
3345 } while ((i < count) && (i < AAC_MAX_CONTAINERS));
3346 aac_release_sync_fib(sc);
3349 * Go through our list of containers and see which ones
3350 * were not marked 'found'. Since the controller didn't
3351 * list them they must have been deleted. Do the
3352 * appropriate steps to destroy the device. Also reset
3353 * the co->co_found field.
3355 co = TAILQ_FIRST(&sc->aac_container_tqh);
3356 while (co != NULL) {
3357 if (co->co_found == 0) {
3358 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3360 device_delete_child(sc->aac_dev,
3363 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3364 co_next = TAILQ_NEXT(co, co_link);
3365 AAC_LOCK_ACQUIRE(&sc->
3366 aac_container_lock);
3367 TAILQ_REMOVE(&sc->aac_container_tqh, co,
3369 AAC_LOCK_RELEASE(&sc->
3370 aac_container_lock);
3371 kfree(co, M_AACBUF);
3375 co = TAILQ_NEXT(co, co_link);
3379 /* Attach the newly created containers */
3381 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3383 bus_generic_attach(sc->aac_dev);
3385 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3398 /* Copy the AIF data to the AIF queue for ioctl retrieval */
3399 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
3400 next = (sc->aac_aifq_head + 1) % AAC_AIFQ_LENGTH;
3401 if (next != sc->aac_aifq_tail) {
3402 bcopy(aif, &sc->aac_aifq[next], sizeof(struct aac_aif_command));
3403 sc->aac_aifq_head = next;
3405 /* On the off chance that someone is sleeping for an aif... */
3406 if (sc->aac_state & AAC_STATE_AIF_SLEEPER)
3407 wakeup(sc->aac_aifq);
3408 /* token may have been lost */
3409 /* Wakeup any poll()ers */
3410 selwakeup(&sc->rcv_select);
3411 /* token may have been lost */
3413 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3419 * Return the Revision of the driver to userspace and check to see if the
3420 * userspace app is possibly compatible. This is extremely bogus since
3421 * our driver doesn't follow Adaptec's versioning system. Cheat by just
3422 * returning what the card reported.
3425 aac_rev_check(struct aac_softc *sc, caddr_t udata)
3427 struct aac_rev_check rev_check;
3428 struct aac_rev_check_resp rev_check_resp;
3434 * Copyin the revision struct from userspace
3436 if ((error = copyin(udata, (caddr_t)&rev_check,
3437 sizeof(struct aac_rev_check))) != 0) {
3441 debug(2, "Userland revision= %d\n",
3442 rev_check.callingRevision.buildNumber);
3445 * Doctor up the response struct.
3447 rev_check_resp.possiblyCompatible = 1;
3448 rev_check_resp.adapterSWRevision.external.ul =
3449 sc->aac_revision.external.ul;
3450 rev_check_resp.adapterSWRevision.buildNumber =
3451 sc->aac_revision.buildNumber;
3453 return(copyout((caddr_t)&rev_check_resp, udata,
3454 sizeof(struct aac_rev_check_resp)));
3458 * Pass the caller the next AIF in their queue
3461 aac_getnext_aif(struct aac_softc *sc, caddr_t arg)
3463 struct get_adapter_fib_ioctl agf;
3468 if ((error = copyin(arg, &agf, sizeof(agf))) == 0) {
3471 * Check the magic number that we gave the caller.
3473 if (agf.AdapterFibContext != (int)(uintptr_t)sc->aifthread) {
3477 error = aac_return_aif(sc, agf.AifFib);
3479 if ((error == EAGAIN) && (agf.Wait)) {
3480 sc->aac_state |= AAC_STATE_AIF_SLEEPER;
3481 while (error == EAGAIN) {
3482 error = tsleep(sc->aac_aifq,
3483 PCATCH, "aacaif", 0);
3485 error = aac_return_aif(sc,
3488 sc->aac_state &= ~AAC_STATE_AIF_SLEEPER;
3496 * Hand the next AIF off the top of the queue out to userspace.
3498 * YYY token could be lost during copyout
3501 aac_return_aif(struct aac_softc *sc, caddr_t uptr)
3507 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
3508 if (sc->aac_aifq_tail == sc->aac_aifq_head) {
3509 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3513 next = (sc->aac_aifq_tail + 1) % AAC_AIFQ_LENGTH;
3514 error = copyout(&sc->aac_aifq[next], uptr,
3515 sizeof(struct aac_aif_command));
3517 device_printf(sc->aac_dev,
3518 "aac_return_aif: copyout returned %d\n", error);
3520 sc->aac_aifq_tail = next;
3522 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3527 aac_get_pci_info(struct aac_softc *sc, caddr_t uptr)
3529 struct aac_pci_info {
3537 pciinf.bus = pci_get_bus(sc->aac_dev);
3538 pciinf.slot = pci_get_slot(sc->aac_dev);
3540 error = copyout((caddr_t)&pciinf, uptr,
3541 sizeof(struct aac_pci_info));
3547 * Give the userland some information about the container. The AAC arch
3548 * expects the driver to be a SCSI passthrough type driver, so it expects
3549 * the containers to have b:t:l numbers. Fake it.
3552 aac_query_disk(struct aac_softc *sc, caddr_t uptr)
3554 struct aac_query_disk query_disk;
3555 struct aac_container *co;
3556 struct aac_disk *disk;
3563 error = copyin(uptr, (caddr_t)&query_disk,
3564 sizeof(struct aac_query_disk));
3568 id = query_disk.ContainerNumber;
3572 AAC_LOCK_ACQUIRE(&sc->aac_container_lock);
3573 TAILQ_FOREACH(co, &sc->aac_container_tqh, co_link) {
3574 if (co->co_mntobj.ObjectId == id)
3579 query_disk.Valid = 0;
3580 query_disk.Locked = 0;
3581 query_disk.Deleted = 1; /* XXX is this right? */
3583 disk = device_get_softc(co->co_disk);
3584 query_disk.Valid = 1;
3586 (disk->ad_flags & AAC_DISK_OPEN) ? 1 : 0;
3587 query_disk.Deleted = 0;
3588 query_disk.Bus = device_get_unit(sc->aac_dev);
3589 query_disk.Target = disk->unit;
3591 query_disk.UnMapped = 0;
3592 bcopy(disk->ad_dev_t->si_name,
3593 &query_disk.diskDeviceName[0], 10);
3595 AAC_LOCK_RELEASE(&sc->aac_container_lock);
3597 error = copyout((caddr_t)&query_disk, uptr,
3598 sizeof(struct aac_query_disk));
3604 aac_get_bus_info(struct aac_softc *sc)
3606 struct aac_fib *fib;
3607 struct aac_ctcfg *c_cmd;
3608 struct aac_ctcfg_resp *c_resp;
3609 struct aac_vmioctl *vmi;
3610 struct aac_vmi_businf_resp *vmi_resp;
3611 struct aac_getbusinf businfo;
3612 struct aac_sim *caminf;
3614 int i, found, error;
3616 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3617 aac_alloc_sync_fib(sc, &fib);
3618 c_cmd = (struct aac_ctcfg *)&fib->data[0];
3619 bzero(c_cmd, sizeof(struct aac_ctcfg));
3621 c_cmd->Command = VM_ContainerConfig;
3622 c_cmd->cmd = CT_GET_SCSI_METHOD;
3625 error = aac_sync_fib(sc, ContainerCommand, 0, fib,
3626 sizeof(struct aac_ctcfg));
3628 device_printf(sc->aac_dev, "Error %d sending "
3629 "VM_ContainerConfig command\n", error);
3630 aac_release_sync_fib(sc);
3631 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3635 c_resp = (struct aac_ctcfg_resp *)&fib->data[0];
3636 if (c_resp->Status != ST_OK) {
3637 device_printf(sc->aac_dev, "VM_ContainerConfig returned 0x%x\n",
3639 aac_release_sync_fib(sc);
3640 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3644 sc->scsi_method_id = c_resp->param;
3646 vmi = (struct aac_vmioctl *)&fib->data[0];
3647 bzero(vmi, sizeof(struct aac_vmioctl));
3649 vmi->Command = VM_Ioctl;
3650 vmi->ObjType = FT_DRIVE;
3651 vmi->MethId = sc->scsi_method_id;
3653 vmi->IoctlCmd = GetBusInfo;
3655 error = aac_sync_fib(sc, ContainerCommand, 0, fib,
3656 sizeof(struct aac_vmioctl));
3658 device_printf(sc->aac_dev, "Error %d sending VMIoctl command\n",
3660 aac_release_sync_fib(sc);
3661 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3665 vmi_resp = (struct aac_vmi_businf_resp *)&fib->data[0];
3666 if (vmi_resp->Status != ST_OK) {
3667 debug(1, "VM_Ioctl returned %d\n", vmi_resp->Status);
3668 aac_release_sync_fib(sc);
3669 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3673 bcopy(&vmi_resp->BusInf, &businfo, sizeof(struct aac_getbusinf));
3674 aac_release_sync_fib(sc);
3675 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3678 for (i = 0; i < businfo.BusCount; i++) {
3679 if (businfo.BusValid[i] != AAC_BUS_VALID)
3682 caminf = (struct aac_sim *)kmalloc(sizeof(struct aac_sim),
3683 M_AACBUF, M_INTWAIT | M_ZERO);
3685 child = device_add_child(sc->aac_dev, "aacp", -1);
3686 if (child == NULL) {
3687 device_printf(sc->aac_dev,
3688 "device_add_child failed for passthrough bus %d\n",
3690 kfree(caminf, M_AACBUF);
3694 caminf->TargetsPerBus = businfo.TargetsPerBus;
3695 caminf->BusNumber = i;
3696 caminf->InitiatorBusId = businfo.InitiatorBusId[i];
3697 caminf->aac_sc = sc;
3698 caminf->sim_dev = child;
3700 device_set_ivars(child, caminf);
3701 device_set_desc(child, "SCSI Passthrough Bus");
3702 TAILQ_INSERT_TAIL(&sc->aac_sim_tqh, caminf, sim_link);
3708 bus_generic_attach(sc->aac_dev);