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 1.9 2003/11/20 22:07:33 dillon Exp $
34 * Driver for the Adaptec 'FSA' family of PCI/SCSI RAID adapters.
39 /* #include <stddef.h> */
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/malloc.h>
43 #include <sys/kernel.h>
44 #include <sys/kthread.h>
45 #include <sys/sysctl.h>
47 #if __FreeBSD_version >= 500005
48 #include <sys/selinfo.h>
50 #include <sys/select.h>
53 #include "aac_compat.h"
57 #include <sys/devicestat.h>
59 #include <sys/signalvar.h>
61 #include <sys/eventhandler.h>
63 #include <machine/bus_memio.h>
64 #include <machine/bus.h>
65 #include <machine/resource.h>
68 #include "aac_ioctl.h"
70 #include "aac_tables.h"
73 static void aac_startup(void *arg);
74 static void aac_add_container(struct aac_softc *sc,
75 struct aac_mntinforesp *mir, int f);
76 static void aac_get_bus_info(struct aac_softc *sc);
78 /* Command Processing */
79 static void aac_timeout(struct aac_softc *sc);
80 static int aac_start(struct aac_command *cm);
81 static void aac_complete(void *context, int pending);
82 static int aac_bio_command(struct aac_softc *sc, struct aac_command **cmp);
83 static void aac_bio_complete(struct aac_command *cm);
84 static int aac_wait_command(struct aac_command *cm, int timeout);
85 static void aac_host_command(struct aac_softc *sc);
86 static void aac_host_response(struct aac_softc *sc);
88 /* Command Buffer Management */
89 static void aac_map_command_helper(void *arg, bus_dma_segment_t *segs,
91 static int aac_alloc_commands(struct aac_softc *sc);
92 static void aac_free_commands(struct aac_softc *sc);
93 static void aac_map_command(struct aac_command *cm);
94 static void aac_unmap_command(struct aac_command *cm);
96 /* Hardware Interface */
97 static void aac_common_map(void *arg, bus_dma_segment_t *segs, int nseg,
99 static int aac_check_firmware(struct aac_softc *sc);
100 static int aac_init(struct aac_softc *sc);
101 static int aac_sync_command(struct aac_softc *sc, u_int32_t command,
102 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
103 u_int32_t arg3, u_int32_t *sp);
104 static int aac_enqueue_fib(struct aac_softc *sc, int queue,
105 struct aac_command *cm);
106 static int aac_dequeue_fib(struct aac_softc *sc, int queue,
107 u_int32_t *fib_size, struct aac_fib **fib_addr);
108 static int aac_enqueue_response(struct aac_softc *sc, int queue,
109 struct aac_fib *fib);
111 /* Falcon/PPC interface */
112 static int aac_fa_get_fwstatus(struct aac_softc *sc);
113 static void aac_fa_qnotify(struct aac_softc *sc, int qbit);
114 static int aac_fa_get_istatus(struct aac_softc *sc);
115 static void aac_fa_clear_istatus(struct aac_softc *sc, int mask);
116 static void aac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command,
117 u_int32_t arg0, u_int32_t arg1,
118 u_int32_t arg2, u_int32_t arg3);
119 static int aac_fa_get_mailbox(struct aac_softc *sc, int mb);
120 static void aac_fa_set_interrupts(struct aac_softc *sc, int enable);
122 struct aac_interface aac_fa_interface = {
126 aac_fa_clear_istatus,
129 aac_fa_set_interrupts
132 /* StrongARM interface */
133 static int aac_sa_get_fwstatus(struct aac_softc *sc);
134 static void aac_sa_qnotify(struct aac_softc *sc, int qbit);
135 static int aac_sa_get_istatus(struct aac_softc *sc);
136 static void aac_sa_clear_istatus(struct aac_softc *sc, int mask);
137 static void aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
138 u_int32_t arg0, u_int32_t arg1,
139 u_int32_t arg2, u_int32_t arg3);
140 static int aac_sa_get_mailbox(struct aac_softc *sc, int mb);
141 static void aac_sa_set_interrupts(struct aac_softc *sc, int enable);
143 struct aac_interface aac_sa_interface = {
147 aac_sa_clear_istatus,
150 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);
164 struct aac_interface aac_rx_interface = {
168 aac_rx_clear_istatus,
171 aac_rx_set_interrupts
174 /* Debugging and Diagnostics */
175 static void aac_describe_controller(struct aac_softc *sc);
176 static char *aac_describe_code(struct aac_code_lookup *table,
179 /* Management Interface */
180 static d_open_t aac_open;
181 static d_close_t aac_close;
182 static d_ioctl_t aac_ioctl;
183 static d_poll_t aac_poll;
184 static int aac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib);
185 static void aac_handle_aif(struct aac_softc *sc,
186 struct aac_fib *fib);
187 static int aac_rev_check(struct aac_softc *sc, caddr_t udata);
188 static int aac_getnext_aif(struct aac_softc *sc, caddr_t arg);
189 static int aac_return_aif(struct aac_softc *sc, caddr_t uptr);
190 static int aac_query_disk(struct aac_softc *sc, caddr_t uptr);
192 #define AAC_CDEV_MAJOR 150
194 static struct cdevsw aac_cdevsw = {
196 AAC_CDEV_MAJOR, /* major */
202 aac_close, /* close */
205 aac_ioctl, /* ioctl */
208 nostrategy, /* strategy */
213 DECLARE_DUMMY_MODULE(aac);
215 MALLOC_DEFINE(M_AACBUF, "aacbuf", "Buffers for the AAC driver");
218 SYSCTL_NODE(_hw, OID_AUTO, aac, CTLFLAG_RD, 0, "AAC driver parameters");
225 * Initialise the controller and softc
228 aac_attach(struct aac_softc *sc)
235 * Initialise per-controller queues.
240 aac_initq_complete(sc);
243 #if __FreeBSD_version >= 500005
245 * Initialise command-completion task.
247 TASK_INIT(&sc->aac_task_complete, 0, aac_complete, sc);
250 /* disable interrupts before we enable anything */
251 AAC_MASK_INTERRUPTS(sc);
253 /* mark controller as suspended until we get ourselves organised */
254 sc->aac_state |= AAC_STATE_SUSPEND;
257 * Check that the firmware on the card is supported.
259 if ((error = aac_check_firmware(sc)) != 0)
262 /* Init the sync fib lock */
263 AAC_LOCK_INIT(&sc->aac_sync_lock, "AAC sync FIB lock");
266 * Initialise the adapter.
268 if ((error = aac_init(sc)) != 0)
272 * Print a little information about the controller.
274 aac_describe_controller(sc);
277 * Register to probe our containers later.
279 TAILQ_INIT(&sc->aac_container_tqh);
280 AAC_LOCK_INIT(&sc->aac_container_lock, "AAC container lock");
283 * Lock for the AIF queue
285 AAC_LOCK_INIT(&sc->aac_aifq_lock, "AAC AIF lock");
287 sc->aac_ich.ich_func = aac_startup;
288 sc->aac_ich.ich_arg = sc;
289 if (config_intrhook_establish(&sc->aac_ich) != 0) {
290 device_printf(sc->aac_dev,
291 "can't establish configuration hook\n");
296 * Make the control device.
298 unit = device_get_unit(sc->aac_dev);
299 sc->aac_dev_t = make_dev(&aac_cdevsw, unit, UID_ROOT, GID_WHEEL, 0644,
301 #if __FreeBSD_version > 500005
302 (void)make_dev_alias(sc->aac_dev_t, "afa%d", unit);
303 (void)make_dev_alias(sc->aac_dev_t, "hpn%d", unit);
305 sc->aac_dev_t->si_drv1 = sc;
307 /* Create the AIF thread */
308 #if __FreeBSD_version > 500005
309 if (kthread_create((void(*)(void *))aac_host_command, sc,
310 &sc->aifthread, 0, "aac%daif", unit))
312 if (kthread_create((void(*)(void *))aac_host_command, sc,
313 &sc->aifthread, "aac%daif", unit))
315 panic("Could not create AIF thread\n");
317 /* Register the shutdown method to only be called post-dump */
318 if ((EVENTHANDLER_REGISTER(shutdown_final, aac_shutdown, sc->aac_dev,
319 SHUTDOWN_PRI_DEFAULT)) == NULL)
320 device_printf(sc->aac_dev, "shutdown event registration failed\n");
322 /* Register with CAM for the non-DASD devices */
323 if ((sc->flags & AAC_FLAGS_ENABLE_CAM) != 0)
324 aac_get_bus_info(sc);
330 * Probe for containers, create disks.
333 aac_startup(void *arg)
335 struct aac_softc *sc;
337 struct aac_mntinfo *mi;
338 struct aac_mntinforesp *mir = NULL;
343 sc = (struct aac_softc *)arg;
345 /* disconnect ourselves from the intrhook chain */
346 config_intrhook_disestablish(&sc->aac_ich);
348 aac_alloc_sync_fib(sc, &fib, 0);
349 mi = (struct aac_mntinfo *)&fib->data[0];
351 /* loop over possible containers */
353 /* request information on this container */
354 bzero(mi, sizeof(struct aac_mntinfo));
355 mi->Command = VM_NameServe;
356 mi->MntType = FT_FILESYS;
358 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
359 sizeof(struct aac_mntinfo))) {
360 debug(2, "error probing container %d", i);
364 mir = (struct aac_mntinforesp *)&fib->data[0];
365 aac_add_container(sc, mir, 0);
367 } while ((i < mir->MntRespCount) && (i < AAC_MAX_CONTAINERS));
369 aac_release_sync_fib(sc);
371 /* poke the bus to actually attach the child devices */
372 if (bus_generic_attach(sc->aac_dev))
373 device_printf(sc->aac_dev, "bus_generic_attach failed\n");
375 /* mark the controller up */
376 sc->aac_state &= ~AAC_STATE_SUSPEND;
378 /* enable interrupts now */
379 AAC_UNMASK_INTERRUPTS(sc);
381 /* enable the timeout watchdog */
382 timeout((timeout_t*)aac_timeout, sc, AAC_PERIODIC_INTERVAL * hz);
386 * Create a device to respresent a new container
389 aac_add_container(struct aac_softc *sc, struct aac_mntinforesp *mir, int f)
391 struct aac_container *co;
395 * Check container volume type for validity. Note that many of
396 * the possible types may never show up.
398 if ((mir->Status == ST_OK) && (mir->MntTable[0].VolType != CT_NONE)) {
399 MALLOC(co, struct aac_container *, sizeof *co, M_AACBUF,
402 panic("Out of memory?!\n");
403 debug(1, "id %x name '%.16s' size %u type %d",
404 mir->MntTable[0].ObjectId,
405 mir->MntTable[0].FileSystemName,
406 mir->MntTable[0].Capacity, mir->MntTable[0].VolType);
408 if ((child = device_add_child(sc->aac_dev, "aacd", -1)) == NULL)
409 device_printf(sc->aac_dev, "device_add_child failed\n");
411 device_set_ivars(child, co);
412 device_set_desc(child, aac_describe_code(aac_container_types,
413 mir->MntTable[0].VolType));
416 bcopy(&mir->MntTable[0], &co->co_mntobj,
417 sizeof(struct aac_mntobj));
418 AAC_LOCK_ACQUIRE(&sc->aac_container_lock);
419 TAILQ_INSERT_TAIL(&sc->aac_container_tqh, co, co_link);
420 AAC_LOCK_RELEASE(&sc->aac_container_lock);
425 * Free all of the resources associated with (sc)
427 * Should not be called if the controller is active.
430 aac_free(struct aac_softc *sc)
434 /* remove the control device */
435 if (sc->aac_dev_t != NULL)
436 destroy_dev(sc->aac_dev_t);
438 /* throw away any FIB buffers, discard the FIB DMA tag */
439 if (sc->aac_fibs != NULL)
440 aac_free_commands(sc);
441 if (sc->aac_fib_dmat)
442 bus_dma_tag_destroy(sc->aac_fib_dmat);
444 /* destroy the common area */
445 if (sc->aac_common) {
446 bus_dmamap_unload(sc->aac_common_dmat, sc->aac_common_dmamap);
447 bus_dmamem_free(sc->aac_common_dmat, sc->aac_common,
448 sc->aac_common_dmamap);
450 if (sc->aac_common_dmat)
451 bus_dma_tag_destroy(sc->aac_common_dmat);
453 /* disconnect the interrupt handler */
455 bus_teardown_intr(sc->aac_dev, sc->aac_irq, sc->aac_intr);
456 if (sc->aac_irq != NULL)
457 bus_release_resource(sc->aac_dev, SYS_RES_IRQ, sc->aac_irq_rid,
460 /* destroy data-transfer DMA tag */
461 if (sc->aac_buffer_dmat)
462 bus_dma_tag_destroy(sc->aac_buffer_dmat);
464 /* destroy the parent DMA tag */
465 if (sc->aac_parent_dmat)
466 bus_dma_tag_destroy(sc->aac_parent_dmat);
468 /* release the register window mapping */
469 if (sc->aac_regs_resource != NULL)
470 bus_release_resource(sc->aac_dev, SYS_RES_MEMORY,
471 sc->aac_regs_rid, sc->aac_regs_resource);
475 * Disconnect from the controller completely, in preparation for unload.
478 aac_detach(device_t dev)
480 struct aac_softc *sc;
487 sc = device_get_softc(dev);
489 if (sc->aac_state & AAC_STATE_OPEN)
493 if (sc->aifflags & AAC_AIFFLAGS_RUNNING) {
494 sc->aifflags |= AAC_AIFFLAGS_EXIT;
495 wakeup(sc->aifthread);
496 tsleep(sc->aac_dev, PCATCH, "aacdch", 30 * hz);
499 if (sc->aifflags & AAC_AIFFLAGS_RUNNING)
500 panic("Cannot shutdown AIF thread\n");
502 if ((error = aac_shutdown(dev)))
514 * Bring the controller down to a dormant state and detach all child devices.
516 * This function is called before detach or system shutdown.
518 * Note that we can assume that the bioq on the controller is empty, as we won't
519 * allow shutdown if any device is open.
522 aac_shutdown(device_t dev)
524 struct aac_softc *sc;
526 struct aac_close_command *cc;
531 sc = device_get_softc(dev);
535 sc->aac_state |= AAC_STATE_SUSPEND;
538 * Send a Container shutdown followed by a HostShutdown FIB to the
539 * controller to convince it that we don't want to talk to it anymore.
540 * We've been closed and all I/O completed already
542 device_printf(sc->aac_dev, "shutting down controller...");
544 aac_alloc_sync_fib(sc, &fib, AAC_SYNC_LOCK_FORCE);
545 cc = (struct aac_close_command *)&fib->data[0];
547 bzero(cc, sizeof(struct aac_close_command));
548 cc->Command = VM_CloseAll;
549 cc->ContainerId = 0xffffffff;
550 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
551 sizeof(struct aac_close_command)))
556 * XXX Issuing this command to the controller makes it shut down
557 * but also keeps it from coming back up without a reset of the
558 * PCI bus. This is not desirable if you are just unloading the
559 * driver module with the intent to reload it later.
561 if (aac_sync_fib(sc, FsaHostShutdown, AAC_FIBSTATE_SHUTDOWN,
569 AAC_MASK_INTERRUPTS(sc);
576 * Bring the controller to a quiescent state, ready for system suspend.
579 aac_suspend(device_t dev)
581 struct aac_softc *sc;
586 sc = device_get_softc(dev);
590 sc->aac_state |= AAC_STATE_SUSPEND;
592 AAC_MASK_INTERRUPTS(sc);
598 * Bring the controller back to a state ready for operation.
601 aac_resume(device_t dev)
603 struct aac_softc *sc;
607 sc = device_get_softc(dev);
609 sc->aac_state &= ~AAC_STATE_SUSPEND;
610 AAC_UNMASK_INTERRUPTS(sc);
620 struct aac_softc *sc;
622 u_int32_t *resp_queue;
626 sc = (struct aac_softc *)arg;
629 * Optimize the common case of adapter response interrupts.
630 * We must read from the card prior to processing the responses
631 * to ensure the clear is flushed prior to accessing the queues.
632 * Reading the queues from local memory might save us a PCI read.
634 resp_queue = sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE];
635 if (resp_queue[AAC_PRODUCER_INDEX] != resp_queue[AAC_CONSUMER_INDEX])
636 reason = AAC_DB_RESPONSE_READY;
638 reason = AAC_GET_ISTATUS(sc);
639 AAC_CLEAR_ISTATUS(sc, reason);
640 (void)AAC_GET_ISTATUS(sc);
642 /* It's not ok to return here because of races with the previous step */
643 if (reason & AAC_DB_RESPONSE_READY)
644 aac_host_response(sc);
646 /* controller wants to talk to the log */
647 if (reason & AAC_DB_PRINTF)
648 aac_print_printf(sc);
650 /* controller has a message for us? */
651 if (reason & AAC_DB_COMMAND_READY) {
652 /* XXX What happens if the thread is already awake? */
653 if (sc->aifflags & AAC_AIFFLAGS_RUNNING) {
654 sc->aifflags |= AAC_AIFFLAGS_PENDING;
655 wakeup(sc->aifthread);
665 * Start as much queued I/O as possible on the controller
668 aac_startio(struct aac_softc *sc)
670 struct aac_command *cm;
676 * Try to get a command that's been put off for lack of
679 cm = aac_dequeue_ready(sc);
682 * Try to build a command off the bio queue (ignore error
686 aac_bio_command(sc, &cm);
692 /* try to give the command to the controller */
693 if (aac_start(cm) == EBUSY) {
694 /* put it on the ready queue for later */
695 aac_requeue_ready(cm);
702 * Deliver a command to the controller; allocate controller resources at the
703 * last moment when possible.
706 aac_start(struct aac_command *cm)
708 struct aac_softc *sc;
715 /* get the command mapped */
718 /* fix up the address values in the FIB */
719 cm->cm_fib->Header.SenderFibAddress = (u_int32_t)cm->cm_fib;
720 cm->cm_fib->Header.ReceiverFibAddress = cm->cm_fibphys;
722 /* save a pointer to the command for speedy reverse-lookup */
723 cm->cm_fib->Header.SenderData = (u_int32_t)cm; /* XXX 64-bit physical
725 /* put the FIB on the outbound queue */
726 error = aac_enqueue_fib(sc, cm->cm_queue, cm);
731 * Handle notification of one or more FIBs coming from the controller.
734 aac_host_command(struct aac_softc *sc)
742 sc->aifflags |= AAC_AIFFLAGS_RUNNING;
744 while (!(sc->aifflags & AAC_AIFFLAGS_EXIT)) {
745 if (!(sc->aifflags & AAC_AIFFLAGS_PENDING))
746 tsleep(sc->aifthread, 0, "aifthd", 15 * hz);
748 sc->aifflags &= ~AAC_AIFFLAGS_PENDING;
750 if (aac_dequeue_fib(sc, AAC_HOST_NORM_CMD_QUEUE,
752 break; /* nothing to do */
754 AAC_PRINT_FIB(sc, fib);
756 switch (fib->Header.Command) {
758 aac_handle_aif(sc, fib);
761 device_printf(sc->aac_dev, "unknown command "
762 "from controller\n");
766 /* Return the AIF to the controller. */
767 if ((fib->Header.XferState == 0) ||
768 (fib->Header.StructType != AAC_FIBTYPE_TFIB))
771 if (fib->Header.XferState & AAC_FIBSTATE_FROMADAP) {
772 fib->Header.XferState |= AAC_FIBSTATE_DONEHOST;
773 *(AAC_FSAStatus*)fib->data = ST_OK;
775 /* XXX Compute the Size field? */
776 size = fib->Header.Size;
777 if (size > sizeof(struct aac_fib)) {
778 size = sizeof(struct aac_fib);
779 fib->Header.Size = size;
782 * Since we did not generate this command, it
783 * cannot go through the normal
784 * enqueue->startio chain.
786 aac_enqueue_response(sc,
787 AAC_ADAP_NORM_RESP_QUEUE,
792 sc->aifflags &= ~AAC_AIFFLAGS_RUNNING;
795 #if __FreeBSD_version > 500005
802 * Handle notification of one or more FIBs completed by the controller
805 aac_host_response(struct aac_softc *sc)
807 struct aac_command *cm;
814 /* look for completed FIBs on our queue */
815 if (aac_dequeue_fib(sc, AAC_HOST_NORM_RESP_QUEUE, &fib_size,
817 break; /* nothing to do */
819 /* get the command, unmap and queue for later processing */
820 cm = (struct aac_command *)fib->Header.SenderData;
822 AAC_PRINT_FIB(sc, fib);
825 aac_unmap_command(cm); /* XXX defer? */
826 aac_enqueue_complete(cm);
830 /* handle completion processing */
831 #if __FreeBSD_version >= 500005
832 taskqueue_enqueue(taskqueue_swi, &sc->aac_task_complete);
839 * Process completed commands.
842 aac_complete(void *context, int pending)
844 struct aac_softc *sc;
845 struct aac_command *cm;
849 sc = (struct aac_softc *)context;
851 /* pull completed commands off the queue */
853 cm = aac_dequeue_complete(sc);
856 cm->cm_flags |= AAC_CMD_COMPLETED;
858 /* is there a completion handler? */
859 if (cm->cm_complete != NULL) {
862 /* assume that someone is sleeping on this command */
867 /* see if we can start some more I/O */
872 * Handle a bio submitted from a disk device.
875 aac_submit_bio(struct bio *bp)
878 struct aac_softc *sc;
882 ad = (struct aac_disk *)bp->bio_dev->si_drv1;
883 sc = ad->ad_controller;
885 /* queue the BIO and try to get some work done */
886 aac_enqueue_bio(sc, bp);
891 * Get a bio and build a command to go with it.
894 aac_bio_command(struct aac_softc *sc, struct aac_command **cmp)
896 struct aac_command *cm;
898 struct aac_blockread *br;
899 struct aac_blockwrite *bw;
905 /* get the resources we will need */
907 if ((bp = aac_dequeue_bio(sc)) == NULL)
909 if (aac_alloc_command(sc, &cm)) /* get a command */
912 /* fill out the command */
913 cm->cm_data = (void *)bp->bio_data;
914 cm->cm_datalen = bp->bio_bcount;
915 cm->cm_complete = aac_bio_complete;
917 cm->cm_timestamp = time_second;
918 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
922 fib->Header.XferState =
923 AAC_FIBSTATE_HOSTOWNED |
924 AAC_FIBSTATE_INITIALISED |
926 AAC_FIBSTATE_FROMHOST |
927 AAC_FIBSTATE_REXPECTED |
930 AAC_FIBSTATE_FAST_RESPONSE;
931 fib->Header.Command = ContainerCommand;
932 fib->Header.Size = sizeof(struct aac_fib_header);
934 /* build the read/write request */
935 ad = (struct aac_disk *)bp->bio_dev->si_drv1;
936 if (BIO_IS_READ(bp)) {
937 br = (struct aac_blockread *)&fib->data[0];
938 br->Command = VM_CtBlockRead;
939 br->ContainerId = ad->ad_container->co_mntobj.ObjectId;
940 br->BlockNumber = bp->bio_pblkno;
941 br->ByteCount = bp->bio_bcount;
942 fib->Header.Size += sizeof(struct aac_blockread);
943 cm->cm_sgtable = &br->SgMap;
944 cm->cm_flags |= AAC_CMD_DATAIN;
946 bw = (struct aac_blockwrite *)&fib->data[0];
947 bw->Command = VM_CtBlockWrite;
948 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
949 bw->BlockNumber = bp->bio_pblkno;
950 bw->ByteCount = bp->bio_bcount;
951 bw->Stable = CUNSTABLE; /* XXX what's appropriate here? */
952 fib->Header.Size += sizeof(struct aac_blockwrite);
953 cm->cm_flags |= AAC_CMD_DATAOUT;
954 cm->cm_sgtable = &bw->SgMap;
962 aac_enqueue_bio(sc, bp);
964 aac_release_command(cm);
969 * Handle a bio-instigated command that has been completed.
972 aac_bio_complete(struct aac_command *cm)
974 struct aac_blockread_response *brr;
975 struct aac_blockwrite_response *bwr;
977 AAC_FSAStatus status;
979 /* fetch relevant status and then release the command */
980 bp = (struct bio *)cm->cm_private;
981 if (BIO_IS_READ(bp)) {
982 brr = (struct aac_blockread_response *)&cm->cm_fib->data[0];
983 status = brr->Status;
985 bwr = (struct aac_blockwrite_response *)&cm->cm_fib->data[0];
986 status = bwr->Status;
988 aac_release_command(cm);
990 /* fix up the bio based on status */
991 if (status == ST_OK) {
995 bp->bio_flags |= BIO_ERROR;
996 /* pass an error string out to the disk layer */
997 bp->bio_driver1 = aac_describe_code(aac_command_status_table,
1004 * Dump a block of data to the controller. If the queue is full, tell the
1005 * caller to hold off and wait for the queue to drain.
1008 aac_dump_enqueue(struct aac_disk *ad, u_int32_t lba, void *data, int dumppages)
1010 struct aac_softc *sc;
1011 struct aac_command *cm;
1012 struct aac_fib *fib;
1013 struct aac_blockwrite *bw;
1015 sc = ad->ad_controller;
1018 if (aac_alloc_command(sc, &cm))
1021 /* fill out the command */
1023 cm->cm_datalen = dumppages * PAGE_SIZE;
1024 cm->cm_complete = NULL;
1025 cm->cm_private = NULL;
1026 cm->cm_timestamp = time_second;
1027 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1031 fib->Header.XferState =
1032 AAC_FIBSTATE_HOSTOWNED |
1033 AAC_FIBSTATE_INITIALISED |
1034 AAC_FIBSTATE_FROMHOST |
1035 AAC_FIBSTATE_REXPECTED |
1037 fib->Header.Command = ContainerCommand;
1038 fib->Header.Size = sizeof(struct aac_fib_header);
1040 bw = (struct aac_blockwrite *)&fib->data[0];
1041 bw->Command = VM_CtBlockWrite;
1042 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1043 bw->BlockNumber = lba;
1044 bw->ByteCount = dumppages * PAGE_SIZE;
1045 bw->Stable = CUNSTABLE; /* XXX what's appropriate here? */
1046 fib->Header.Size += sizeof(struct aac_blockwrite);
1047 cm->cm_flags |= AAC_CMD_DATAOUT;
1048 cm->cm_sgtable = &bw->SgMap;
1050 return (aac_start(cm));
1054 * Wait for the card's queue to drain when dumping. Also check for monitor
1058 aac_dump_complete(struct aac_softc *sc)
1060 struct aac_fib *fib;
1061 struct aac_command *cm;
1063 u_int32_t pi, ci, fib_size;
1066 reason = AAC_GET_ISTATUS(sc);
1067 if (reason & AAC_DB_RESPONSE_READY) {
1068 AAC_CLEAR_ISTATUS(sc, AAC_DB_RESPONSE_READY);
1070 if (aac_dequeue_fib(sc,
1071 AAC_HOST_NORM_RESP_QUEUE,
1074 cm = (struct aac_command *)
1075 fib->Header.SenderData;
1077 AAC_PRINT_FIB(sc, fib);
1079 aac_remove_busy(cm);
1080 aac_unmap_command(cm);
1081 aac_enqueue_complete(cm);
1082 aac_release_command(cm);
1086 if (reason & AAC_DB_PRINTF) {
1087 AAC_CLEAR_ISTATUS(sc, AAC_DB_PRINTF);
1088 aac_print_printf(sc);
1090 pi = sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][
1091 AAC_PRODUCER_INDEX];
1092 ci = sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][
1093 AAC_CONSUMER_INDEX];
1100 * Submit a command to the controller, return when it completes.
1101 * XXX This is very dangerous! If the card has gone out to lunch, we could
1102 * be stuck here forever. At the same time, signals are not caught
1103 * because there is a risk that a signal could wakeup the tsleep before
1104 * the card has a chance to complete the command. The passed in timeout
1105 * is ignored for the same reason. Since there is no way to cancel a
1106 * command in progress, we should probably create a 'dead' queue where
1107 * commands go that have been interrupted/timed-out/etc, that keeps them
1108 * out of the free pool. That way, if the card is just slow, it won't
1109 * spam the memory of a command that has been recycled.
1112 aac_wait_command(struct aac_command *cm, int timeout)
1118 /* Put the command on the ready queue and get things going */
1119 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1120 aac_enqueue_ready(cm);
1121 aac_startio(cm->cm_sc);
1123 while (!(cm->cm_flags & AAC_CMD_COMPLETED) && (error != EWOULDBLOCK)) {
1124 error = tsleep(cm, 0, "aacwait", 0);
1131 *Command Buffer Management
1135 * Allocate a command.
1138 aac_alloc_command(struct aac_softc *sc, struct aac_command **cmp)
1140 struct aac_command *cm;
1144 if ((cm = aac_dequeue_free(sc)) == NULL)
1152 * Release a command back to the freelist.
1155 aac_release_command(struct aac_command *cm)
1159 /* (re)initialise the command/FIB */
1160 cm->cm_sgtable = NULL;
1162 cm->cm_complete = NULL;
1163 cm->cm_private = NULL;
1164 cm->cm_fib->Header.XferState = AAC_FIBSTATE_EMPTY;
1165 cm->cm_fib->Header.StructType = AAC_FIBTYPE_TFIB;
1166 cm->cm_fib->Header.Flags = 0;
1167 cm->cm_fib->Header.SenderSize = sizeof(struct aac_fib);
1170 * These are duplicated in aac_start to cover the case where an
1171 * intermediate stage may have destroyed them. They're left
1172 * initialised here for debugging purposes only.
1174 cm->cm_fib->Header.SenderFibAddress = (u_int32_t)cm->cm_fib;
1175 cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys;
1176 cm->cm_fib->Header.SenderData = 0;
1178 aac_enqueue_free(cm);
1182 * Map helper for command/FIB allocation.
1185 aac_map_command_helper(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1187 struct aac_softc *sc;
1189 sc = (struct aac_softc *)arg;
1193 sc->aac_fibphys = segs[0].ds_addr;
1197 * Allocate and initialise commands/FIBs for this adapter.
1200 aac_alloc_commands(struct aac_softc *sc)
1202 struct aac_command *cm;
1207 /* allocate the FIBs in DMAable memory and load them */
1208 if (bus_dmamem_alloc(sc->aac_fib_dmat, (void **)&sc->aac_fibs,
1209 BUS_DMA_NOWAIT, &sc->aac_fibmap)) {
1213 bus_dmamap_load(sc->aac_fib_dmat, sc->aac_fibmap, sc->aac_fibs,
1214 AAC_FIB_COUNT * sizeof(struct aac_fib),
1215 aac_map_command_helper, sc, 0);
1217 /* initialise constant fields in the command structure */
1218 bzero(sc->aac_fibs, AAC_FIB_COUNT * sizeof(struct aac_fib));
1219 for (i = 0; i < AAC_FIB_COUNT; i++) {
1220 cm = &sc->aac_command[i];
1222 cm->cm_fib = sc->aac_fibs + i;
1223 cm->cm_fibphys = sc->aac_fibphys + (i * sizeof(struct aac_fib));
1225 if (!bus_dmamap_create(sc->aac_buffer_dmat, 0, &cm->cm_datamap))
1226 aac_release_command(cm);
1232 * Free FIBs owned by this adapter.
1235 aac_free_commands(struct aac_softc *sc)
1241 for (i = 0; i < AAC_FIB_COUNT; i++)
1242 bus_dmamap_destroy(sc->aac_buffer_dmat,
1243 sc->aac_command[i].cm_datamap);
1245 bus_dmamap_unload(sc->aac_fib_dmat, sc->aac_fibmap);
1246 bus_dmamem_free(sc->aac_fib_dmat, sc->aac_fibs, sc->aac_fibmap);
1250 * Command-mapping helper function - populate this command's s/g table.
1253 aac_map_command_sg(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1255 struct aac_command *cm;
1256 struct aac_fib *fib;
1257 struct aac_sg_table *sg;
1262 cm = (struct aac_command *)arg;
1265 /* find the s/g table */
1266 sg = cm->cm_sgtable;
1268 /* copy into the FIB */
1271 for (i = 0; i < nseg; i++) {
1272 sg->SgEntry[i].SgAddress = segs[i].ds_addr;
1273 sg->SgEntry[i].SgByteCount = segs[i].ds_len;
1275 /* update the FIB size for the s/g count */
1276 fib->Header.Size += nseg * sizeof(struct aac_sg_entry);
1282 * Map a command into controller-visible space.
1285 aac_map_command(struct aac_command *cm)
1287 struct aac_softc *sc;
1293 /* don't map more than once */
1294 if (cm->cm_flags & AAC_CMD_MAPPED)
1297 if (cm->cm_datalen != 0) {
1298 bus_dmamap_load(sc->aac_buffer_dmat, cm->cm_datamap,
1299 cm->cm_data, cm->cm_datalen,
1300 aac_map_command_sg, cm, 0);
1302 if (cm->cm_flags & AAC_CMD_DATAIN)
1303 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1304 BUS_DMASYNC_PREREAD);
1305 if (cm->cm_flags & AAC_CMD_DATAOUT)
1306 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1307 BUS_DMASYNC_PREWRITE);
1309 cm->cm_flags |= AAC_CMD_MAPPED;
1313 * Unmap a command from controller-visible space.
1316 aac_unmap_command(struct aac_command *cm)
1318 struct aac_softc *sc;
1324 if (!(cm->cm_flags & AAC_CMD_MAPPED))
1327 if (cm->cm_datalen != 0) {
1328 if (cm->cm_flags & AAC_CMD_DATAIN)
1329 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1330 BUS_DMASYNC_POSTREAD);
1331 if (cm->cm_flags & AAC_CMD_DATAOUT)
1332 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1333 BUS_DMASYNC_POSTWRITE);
1335 bus_dmamap_unload(sc->aac_buffer_dmat, cm->cm_datamap);
1337 cm->cm_flags &= ~AAC_CMD_MAPPED;
1341 * Hardware Interface
1345 * Initialise the adapter.
1348 aac_common_map(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1350 struct aac_softc *sc;
1354 sc = (struct aac_softc *)arg;
1356 sc->aac_common_busaddr = segs[0].ds_addr;
1360 aac_check_firmware(struct aac_softc *sc)
1362 u_int32_t major, minor, options;
1367 * Retrieve the firmware version numbers. Dell PERC2/QC cards with
1368 * firmware version 1.x are not compatible with this driver.
1370 if (sc->flags & AAC_FLAGS_PERC2QC) {
1371 if (aac_sync_command(sc, AAC_MONKER_GETKERNVER, 0, 0, 0, 0,
1373 device_printf(sc->aac_dev,
1374 "Error reading firmware version\n");
1378 /* These numbers are stored as ASCII! */
1379 major = (AAC_GET_MAILBOX(sc, 1) & 0xff) - 0x30;
1380 minor = (AAC_GET_MAILBOX(sc, 2) & 0xff) - 0x30;
1382 device_printf(sc->aac_dev,
1383 "Firmware version %d.%d is not supported.\n",
1390 * Retrieve the capabilities/supported options word so we know what
1391 * work-arounds to enable.
1393 if (aac_sync_command(sc, AAC_MONKER_GETINFO, 0, 0, 0, 0, NULL)) {
1394 device_printf(sc->aac_dev, "RequestAdapterInfo failed\n");
1397 options = AAC_GET_MAILBOX(sc, 1);
1398 sc->supported_options = options;
1400 if ((options & AAC_SUPPORTED_4GB_WINDOW) != 0 &&
1401 (sc->flags & AAC_FLAGS_NO4GB) == 0)
1402 sc->flags |= AAC_FLAGS_4GB_WINDOW;
1403 if (options & AAC_SUPPORTED_NONDASD)
1404 sc->flags |= AAC_FLAGS_ENABLE_CAM;
1410 aac_init(struct aac_softc *sc)
1412 struct aac_adapter_init *ip;
1421 * First wait for the adapter to come ready.
1425 code = AAC_GET_FWSTATUS(sc);
1426 if (code & AAC_SELF_TEST_FAILED) {
1427 device_printf(sc->aac_dev, "FATAL: selftest failed\n");
1430 if (code & AAC_KERNEL_PANIC) {
1431 device_printf(sc->aac_dev,
1432 "FATAL: controller kernel panic\n");
1435 if (time_second > (then + AAC_BOOT_TIMEOUT)) {
1436 device_printf(sc->aac_dev,
1437 "FATAL: controller not coming ready, "
1438 "status %x\n", code);
1441 } while (!(code & AAC_UP_AND_RUNNING));
1445 * Create DMA tag for mapping buffers into controller-addressable space.
1447 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1448 1, 0, /* algnmnt, boundary */
1449 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
1450 BUS_SPACE_MAXADDR, /* highaddr */
1451 NULL, NULL, /* filter, filterarg */
1452 MAXBSIZE, /* maxsize */
1453 AAC_MAXSGENTRIES, /* nsegments */
1454 MAXBSIZE, /* maxsegsize */
1455 BUS_DMA_ALLOCNOW, /* flags */
1456 &sc->aac_buffer_dmat)) {
1457 device_printf(sc->aac_dev, "can't allocate buffer DMA tag\n");
1462 * Create DMA tag for mapping FIBs into controller-addressable space..
1464 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1465 1, 0, /* algnmnt, boundary */
1466 (sc->flags & AAC_FLAGS_4GB_WINDOW) ?
1467 BUS_SPACE_MAXADDR_32BIT :
1468 0x7fffffff, /* lowaddr */
1469 BUS_SPACE_MAXADDR, /* highaddr */
1470 NULL, NULL, /* filter, filterarg */
1472 sizeof(struct aac_fib), /* maxsize */
1475 sizeof(struct aac_fib), /* maxsegsize */
1476 BUS_DMA_ALLOCNOW, /* flags */
1477 &sc->aac_fib_dmat)) {
1478 device_printf(sc->aac_dev, "can't allocate FIB DMA tag\n");;
1483 * Create DMA tag for the common structure and allocate it.
1485 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1486 1, 0, /* algnmnt, boundary */
1487 (sc->flags & AAC_FLAGS_4GB_WINDOW) ?
1488 BUS_SPACE_MAXADDR_32BIT :
1489 0x7fffffff, /* lowaddr */
1490 BUS_SPACE_MAXADDR, /* highaddr */
1491 NULL, NULL, /* filter, filterarg */
1492 8192 + sizeof(struct aac_common), /* maxsize */
1494 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
1495 BUS_DMA_ALLOCNOW, /* flags */
1496 &sc->aac_common_dmat)) {
1497 device_printf(sc->aac_dev,
1498 "can't allocate common structure DMA tag\n");
1501 if (bus_dmamem_alloc(sc->aac_common_dmat, (void **)&sc->aac_common,
1502 BUS_DMA_NOWAIT, &sc->aac_common_dmamap)) {
1503 device_printf(sc->aac_dev, "can't allocate common structure\n");
1507 * Work around a bug in the 2120 and 2200 that cannot DMA commands
1508 * below address 8192 in physical memory.
1509 * XXX If the padding is not needed, can it be put to use instead
1512 bus_dmamap_load(sc->aac_common_dmat, sc->aac_common_dmamap,
1513 sc->aac_common, 8192 + sizeof(*sc->aac_common),
1514 aac_common_map, sc, 0);
1516 if (sc->aac_common_busaddr < 8192) {
1517 (uint8_t *)sc->aac_common += 8192;
1518 sc->aac_common_busaddr += 8192;
1520 bzero(sc->aac_common, sizeof(*sc->aac_common));
1522 /* Allocate some FIBs and associated command structs */
1523 if (aac_alloc_commands(sc) != 0)
1527 * Fill in the init structure. This tells the adapter about the
1528 * physical location of various important shared data structures.
1530 ip = &sc->aac_common->ac_init;
1531 ip->InitStructRevision = AAC_INIT_STRUCT_REVISION;
1532 ip->MiniPortRevision = AAC_INIT_STRUCT_MINIPORT_REVISION;
1534 ip->AdapterFibsPhysicalAddress = sc->aac_common_busaddr +
1535 offsetof(struct aac_common, ac_fibs);
1536 ip->AdapterFibsVirtualAddress = (aac_phys_addr_t)&sc->aac_common->ac_fibs[0];
1537 ip->AdapterFibsSize = AAC_ADAPTER_FIBS * sizeof(struct aac_fib);
1538 ip->AdapterFibAlign = sizeof(struct aac_fib);
1540 ip->PrintfBufferAddress = sc->aac_common_busaddr +
1541 offsetof(struct aac_common, ac_printf);
1542 ip->PrintfBufferSize = AAC_PRINTF_BUFSIZE;
1544 /* The adapter assumes that pages are 4K in size */
1545 ip->HostPhysMemPages = ctob(physmem) / AAC_PAGE_SIZE;
1546 ip->HostElapsedSeconds = time_second; /* reset later if invalid */
1549 * Initialise FIB queues. Note that it appears that the layout of the
1550 * indexes and the segmentation of the entries may be mandated by the
1551 * adapter, which is only told about the base of the queue index fields.
1553 * The initial values of the indices are assumed to inform the adapter
1554 * of the sizes of the respective queues, and theoretically it could
1555 * work out the entire layout of the queue structures from this. We
1556 * take the easy route and just lay this area out like everyone else
1559 * The Linux driver uses a much more complex scheme whereby several
1560 * header records are kept for each queue. We use a couple of generic
1561 * list manipulation functions which 'know' the size of each list by
1562 * virtue of a table.
1564 qaddr = &sc->aac_common->ac_qbuf[0] + AAC_QUEUE_ALIGN;
1565 qaddr -= (u_int32_t)qaddr % AAC_QUEUE_ALIGN;
1566 sc->aac_queues = (struct aac_queue_table *)qaddr;
1567 ip->CommHeaderAddress = sc->aac_common_busaddr +
1568 ((u_int32_t)sc->aac_queues -
1569 (u_int32_t)sc->aac_common);
1570 bzero(sc->aac_queues, sizeof(struct aac_queue_table));
1572 sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
1573 AAC_HOST_NORM_CMD_ENTRIES;
1574 sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
1575 AAC_HOST_NORM_CMD_ENTRIES;
1576 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
1577 AAC_HOST_HIGH_CMD_ENTRIES;
1578 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
1579 AAC_HOST_HIGH_CMD_ENTRIES;
1580 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
1581 AAC_ADAP_NORM_CMD_ENTRIES;
1582 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
1583 AAC_ADAP_NORM_CMD_ENTRIES;
1584 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
1585 AAC_ADAP_HIGH_CMD_ENTRIES;
1586 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
1587 AAC_ADAP_HIGH_CMD_ENTRIES;
1588 sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]=
1589 AAC_HOST_NORM_RESP_ENTRIES;
1590 sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]=
1591 AAC_HOST_NORM_RESP_ENTRIES;
1592 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]=
1593 AAC_HOST_HIGH_RESP_ENTRIES;
1594 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]=
1595 AAC_HOST_HIGH_RESP_ENTRIES;
1596 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]=
1597 AAC_ADAP_NORM_RESP_ENTRIES;
1598 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]=
1599 AAC_ADAP_NORM_RESP_ENTRIES;
1600 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]=
1601 AAC_ADAP_HIGH_RESP_ENTRIES;
1602 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]=
1603 AAC_ADAP_HIGH_RESP_ENTRIES;
1604 sc->aac_qentries[AAC_HOST_NORM_CMD_QUEUE] =
1605 &sc->aac_queues->qt_HostNormCmdQueue[0];
1606 sc->aac_qentries[AAC_HOST_HIGH_CMD_QUEUE] =
1607 &sc->aac_queues->qt_HostHighCmdQueue[0];
1608 sc->aac_qentries[AAC_ADAP_NORM_CMD_QUEUE] =
1609 &sc->aac_queues->qt_AdapNormCmdQueue[0];
1610 sc->aac_qentries[AAC_ADAP_HIGH_CMD_QUEUE] =
1611 &sc->aac_queues->qt_AdapHighCmdQueue[0];
1612 sc->aac_qentries[AAC_HOST_NORM_RESP_QUEUE] =
1613 &sc->aac_queues->qt_HostNormRespQueue[0];
1614 sc->aac_qentries[AAC_HOST_HIGH_RESP_QUEUE] =
1615 &sc->aac_queues->qt_HostHighRespQueue[0];
1616 sc->aac_qentries[AAC_ADAP_NORM_RESP_QUEUE] =
1617 &sc->aac_queues->qt_AdapNormRespQueue[0];
1618 sc->aac_qentries[AAC_ADAP_HIGH_RESP_QUEUE] =
1619 &sc->aac_queues->qt_AdapHighRespQueue[0];
1622 * Do controller-type-specific initialisation
1624 switch (sc->aac_hwif) {
1625 case AAC_HWIF_I960RX:
1626 AAC_SETREG4(sc, AAC_RX_ODBR, ~0);
1631 * Give the init structure to the controller.
1633 if (aac_sync_command(sc, AAC_MONKER_INITSTRUCT,
1634 sc->aac_common_busaddr +
1635 offsetof(struct aac_common, ac_init), 0, 0, 0,
1637 device_printf(sc->aac_dev,
1638 "error establishing init structure\n");
1649 * Send a synchronous command to the controller and wait for a result.
1652 aac_sync_command(struct aac_softc *sc, u_int32_t command,
1653 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3,
1661 /* populate the mailbox */
1662 AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3);
1664 /* ensure the sync command doorbell flag is cleared */
1665 AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
1667 /* then set it to signal the adapter */
1668 AAC_QNOTIFY(sc, AAC_DB_SYNC_COMMAND);
1670 /* spin waiting for the command to complete */
1673 if (time_second > (then + AAC_IMMEDIATE_TIMEOUT)) {
1674 debug(1, "timed out");
1677 } while (!(AAC_GET_ISTATUS(sc) & AAC_DB_SYNC_COMMAND));
1679 /* clear the completion flag */
1680 AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
1682 /* get the command status */
1683 status = AAC_GET_MAILBOX(sc, 0);
1690 * Grab the sync fib area.
1693 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib, int flags)
1697 * If the force flag is set, the system is shutting down, or in
1698 * trouble. Ignore the mutex.
1700 if (!(flags & AAC_SYNC_LOCK_FORCE))
1701 AAC_LOCK_ACQUIRE(&sc->aac_sync_lock);
1703 *fib = &sc->aac_common->ac_sync_fib;
1709 * Release the sync fib area.
1712 aac_release_sync_fib(struct aac_softc *sc)
1715 AAC_LOCK_RELEASE(&sc->aac_sync_lock);
1719 * Send a synchronous FIB to the controller and wait for a result.
1722 aac_sync_fib(struct aac_softc *sc, u_int32_t command, u_int32_t xferstate,
1723 struct aac_fib *fib, u_int16_t datasize)
1727 if (datasize > AAC_FIB_DATASIZE)
1731 * Set up the sync FIB
1733 fib->Header.XferState = AAC_FIBSTATE_HOSTOWNED |
1734 AAC_FIBSTATE_INITIALISED |
1736 fib->Header.XferState |= xferstate;
1737 fib->Header.Command = command;
1738 fib->Header.StructType = AAC_FIBTYPE_TFIB;
1739 fib->Header.Size = sizeof(struct aac_fib) + datasize;
1740 fib->Header.SenderSize = sizeof(struct aac_fib);
1741 fib->Header.SenderFibAddress = (u_int32_t)fib;
1742 fib->Header.ReceiverFibAddress = sc->aac_common_busaddr +
1743 offsetof(struct aac_common,
1747 * Give the FIB to the controller, wait for a response.
1749 if (aac_sync_command(sc, AAC_MONKER_SYNCFIB,
1750 fib->Header.ReceiverFibAddress, 0, 0, 0, NULL)) {
1751 debug(2, "IO error");
1759 * Adapter-space FIB queue manipulation
1761 * Note that the queue implementation here is a little funky; neither the PI or
1762 * CI will ever be zero. This behaviour is a controller feature.
1768 {AAC_HOST_NORM_CMD_ENTRIES, AAC_DB_COMMAND_NOT_FULL},
1769 {AAC_HOST_HIGH_CMD_ENTRIES, 0},
1770 {AAC_ADAP_NORM_CMD_ENTRIES, AAC_DB_COMMAND_READY},
1771 {AAC_ADAP_HIGH_CMD_ENTRIES, 0},
1772 {AAC_HOST_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_NOT_FULL},
1773 {AAC_HOST_HIGH_RESP_ENTRIES, 0},
1774 {AAC_ADAP_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_READY},
1775 {AAC_ADAP_HIGH_RESP_ENTRIES, 0}
1779 * Atomically insert an entry into the nominated queue, returns 0 on success or
1780 * EBUSY if the queue is full.
1782 * Note: it would be more efficient to defer notifying the controller in
1783 * the case where we may be inserting several entries in rapid succession,
1784 * but implementing this usefully may be difficult (it would involve a
1785 * separate queue/notify interface).
1788 aac_enqueue_fib(struct aac_softc *sc, int queue, struct aac_command *cm)
1797 fib_size = cm->cm_fib->Header.Size;
1798 fib_addr = cm->cm_fib->Header.ReceiverFibAddress;
1802 /* get the producer/consumer indices */
1803 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
1804 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
1806 /* wrap the queue? */
1807 if (pi >= aac_qinfo[queue].size)
1810 /* check for queue full */
1811 if ((pi + 1) == ci) {
1816 /* populate queue entry */
1817 (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size;
1818 (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr;
1820 /* update producer index */
1821 sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1;
1824 * To avoid a race with its completion interrupt, place this command on
1825 * the busy queue prior to advertising it to the controller.
1827 aac_enqueue_busy(cm);
1829 /* notify the adapter if we know how */
1830 if (aac_qinfo[queue].notify != 0)
1831 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
1841 * Atomically remove one entry from the nominated queue, returns 0 on
1842 * success or ENOENT if the queue is empty.
1845 aac_dequeue_fib(struct aac_softc *sc, int queue, u_int32_t *fib_size,
1846 struct aac_fib **fib_addr)
1856 /* get the producer/consumer indices */
1857 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
1858 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
1860 /* check for queue empty */
1870 /* wrap the queue? */
1871 if (ci >= aac_qinfo[queue].size)
1874 /* fetch the entry */
1875 *fib_size = (sc->aac_qentries[queue] + ci)->aq_fib_size;
1876 *fib_addr = (struct aac_fib *)(sc->aac_qentries[queue] +
1880 * Is this a fast response? If it is, update the fib fields in
1881 * local memory so the whole fib doesn't have to be DMA'd back up.
1883 if (*(uintptr_t *)fib_addr & 0x01) {
1884 *(uintptr_t *)fib_addr &= ~0x01;
1885 (*fib_addr)->Header.XferState |= AAC_FIBSTATE_DONEADAP;
1886 *((u_int32_t*)((*fib_addr)->data)) = AAC_ERROR_NORMAL;
1888 /* update consumer index */
1889 sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX] = ci + 1;
1891 /* if we have made the queue un-full, notify the adapter */
1892 if (notify && (aac_qinfo[queue].notify != 0))
1893 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
1902 * Put our response to an Adapter Initialed Fib on the response queue
1905 aac_enqueue_response(struct aac_softc *sc, int queue, struct aac_fib *fib)
1914 /* Tell the adapter where the FIB is */
1915 fib_size = fib->Header.Size;
1916 fib_addr = fib->Header.SenderFibAddress;
1917 fib->Header.ReceiverFibAddress = fib_addr;
1921 /* get the producer/consumer indices */
1922 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
1923 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
1925 /* wrap the queue? */
1926 if (pi >= aac_qinfo[queue].size)
1929 /* check for queue full */
1930 if ((pi + 1) == ci) {
1935 /* populate queue entry */
1936 (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size;
1937 (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr;
1939 /* update producer index */
1940 sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1;
1942 /* notify the adapter if we know how */
1943 if (aac_qinfo[queue].notify != 0)
1944 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
1954 * Check for commands that have been outstanding for a suspiciously long time,
1955 * and complain about them.
1958 aac_timeout(struct aac_softc *sc)
1961 struct aac_command *cm;
1965 /* simulate an interrupt to handle possibly-missed interrupts */
1967 * XXX This was done to work around another bug which has since been
1968 * fixed. It is dangerous anyways because you don't want multiple
1969 * threads in the interrupt handler at the same time! If calling
1970 * is deamed neccesary in the future, proper mutexes must be used.
1976 /* kick the I/O queue to restart it in the case of deadlock */
1981 * traverse the busy command list, bitch about late commands once
1984 deadline = time_second - AAC_CMD_TIMEOUT;
1986 TAILQ_FOREACH(cm, &sc->aac_busy, cm_link) {
1987 if ((cm->cm_timestamp < deadline)
1988 /* && !(cm->cm_flags & AAC_CMD_TIMEDOUT) */) {
1989 cm->cm_flags |= AAC_CMD_TIMEDOUT;
1990 device_printf(sc->aac_dev,
1991 "COMMAND %p TIMEOUT AFTER %d SECONDS\n",
1992 cm, (int)(time_second-cm->cm_timestamp));
1993 AAC_PRINT_FIB(sc, cm->cm_fib);
1998 /* reset the timer for next time */
1999 timeout((timeout_t*)aac_timeout, sc, AAC_PERIODIC_INTERVAL * hz);
2004 * Interface Function Vectors
2008 * Read the current firmware status word.
2011 aac_sa_get_fwstatus(struct aac_softc *sc)
2015 return(AAC_GETREG4(sc, AAC_SA_FWSTATUS));
2019 aac_rx_get_fwstatus(struct aac_softc *sc)
2023 return(AAC_GETREG4(sc, AAC_RX_FWSTATUS));
2027 aac_fa_get_fwstatus(struct aac_softc *sc)
2033 val = AAC_GETREG4(sc, AAC_FA_FWSTATUS);
2038 * Notify the controller of a change in a given queue
2042 aac_sa_qnotify(struct aac_softc *sc, int qbit)
2046 AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
2050 aac_rx_qnotify(struct aac_softc *sc, int qbit)
2054 AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
2058 aac_fa_qnotify(struct aac_softc *sc, int qbit)
2062 AAC_SETREG2(sc, AAC_FA_DOORBELL1, qbit);
2067 * Get the interrupt reason bits
2070 aac_sa_get_istatus(struct aac_softc *sc)
2074 return(AAC_GETREG2(sc, AAC_SA_DOORBELL0));
2078 aac_rx_get_istatus(struct aac_softc *sc)
2082 return(AAC_GETREG4(sc, AAC_RX_ODBR));
2086 aac_fa_get_istatus(struct aac_softc *sc)
2092 val = AAC_GETREG2(sc, AAC_FA_DOORBELL0);
2097 * Clear some interrupt reason bits
2100 aac_sa_clear_istatus(struct aac_softc *sc, int mask)
2104 AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
2108 aac_rx_clear_istatus(struct aac_softc *sc, int mask)
2112 AAC_SETREG4(sc, AAC_RX_ODBR, mask);
2116 aac_fa_clear_istatus(struct aac_softc *sc, int mask)
2120 AAC_SETREG2(sc, AAC_FA_DOORBELL0_CLEAR, mask);
2125 * Populate the mailbox and set the command word
2128 aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
2129 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2133 AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
2134 AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
2135 AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
2136 AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
2137 AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
2141 aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
2142 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2146 AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
2147 AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
2148 AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
2149 AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
2150 AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
2154 aac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command,
2155 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2159 AAC_SETREG4(sc, AAC_FA_MAILBOX, command);
2161 AAC_SETREG4(sc, AAC_FA_MAILBOX + 4, arg0);
2163 AAC_SETREG4(sc, AAC_FA_MAILBOX + 8, arg1);
2165 AAC_SETREG4(sc, AAC_FA_MAILBOX + 12, arg2);
2167 AAC_SETREG4(sc, AAC_FA_MAILBOX + 16, arg3);
2172 * Fetch the immediate command status word
2175 aac_sa_get_mailbox(struct aac_softc *sc, int mb)
2179 return(AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
2183 aac_rx_get_mailbox(struct aac_softc *sc, int mb)
2187 return(AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
2191 aac_fa_get_mailbox(struct aac_softc *sc, int mb)
2197 val = AAC_GETREG4(sc, AAC_FA_MAILBOX + (mb * 4));
2202 * Set/clear interrupt masks
2205 aac_sa_set_interrupts(struct aac_softc *sc, int enable)
2207 debug(2, "%sable interrupts", enable ? "en" : "dis");
2210 AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
2212 AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
2217 aac_rx_set_interrupts(struct aac_softc *sc, int enable)
2219 debug(2, "%sable interrupts", enable ? "en" : "dis");
2222 AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
2224 AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
2229 aac_fa_set_interrupts(struct aac_softc *sc, int enable)
2231 debug(2, "%sable interrupts", enable ? "en" : "dis");
2234 AAC_SETREG2((sc), AAC_FA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
2237 AAC_SETREG2((sc), AAC_FA_MASK0, ~0);
2243 * Debugging and Diagnostics
2247 * Print some information about the controller.
2250 aac_describe_controller(struct aac_softc *sc)
2252 struct aac_fib *fib;
2253 struct aac_adapter_info *info;
2257 aac_alloc_sync_fib(sc, &fib, 0);
2260 if (aac_sync_fib(sc, RequestAdapterInfo, 0, fib, 1)) {
2261 device_printf(sc->aac_dev, "RequestAdapterInfo failed\n");
2262 aac_release_sync_fib(sc);
2265 info = (struct aac_adapter_info *)&fib->data[0];
2267 device_printf(sc->aac_dev, "%s %dMHz, %dMB cache memory, %s\n",
2268 aac_describe_code(aac_cpu_variant, info->CpuVariant),
2269 info->ClockSpeed, info->BufferMem / (1024 * 1024),
2270 aac_describe_code(aac_battery_platform,
2271 info->batteryPlatform));
2273 /* save the kernel revision structure for later use */
2274 sc->aac_revision = info->KernelRevision;
2275 device_printf(sc->aac_dev, "Kernel %d.%d-%d, Build %d, S/N %6X\n",
2276 info->KernelRevision.external.comp.major,
2277 info->KernelRevision.external.comp.minor,
2278 info->KernelRevision.external.comp.dash,
2279 info->KernelRevision.buildNumber,
2280 (u_int32_t)(info->SerialNumber & 0xffffff));
2282 aac_release_sync_fib(sc);
2284 if (1 || bootverbose) {
2285 device_printf(sc->aac_dev, "Supported Options=%b\n",
2286 sc->supported_options,
2305 * Look up a text description of a numeric error code and return a pointer to
2309 aac_describe_code(struct aac_code_lookup *table, u_int32_t code)
2313 for (i = 0; table[i].string != NULL; i++)
2314 if (table[i].code == code)
2315 return(table[i].string);
2316 return(table[i + 1].string);
2320 * Management Interface
2324 aac_open(dev_t dev, int flags, int fmt, d_thread_t *td)
2326 struct aac_softc *sc;
2332 /* Check to make sure the device isn't already open */
2333 if (sc->aac_state & AAC_STATE_OPEN) {
2336 sc->aac_state |= AAC_STATE_OPEN;
2342 aac_close(dev_t dev, int flags, int fmt, d_thread_t *td)
2344 struct aac_softc *sc;
2350 /* Mark this unit as no longer open */
2351 sc->aac_state &= ~AAC_STATE_OPEN;
2357 aac_ioctl(dev_t dev, u_long cmd, caddr_t arg, int flag, d_thread_t *td)
2359 union aac_statrequest *as;
2360 struct aac_softc *sc;
2366 as = (union aac_statrequest *)arg;
2371 switch (as->as_item) {
2377 bcopy(&sc->aac_qstat[as->as_item], &as->as_qstat,
2378 sizeof(struct aac_qstat));
2386 case FSACTL_SENDFIB:
2387 arg = *(caddr_t*)arg;
2388 case FSACTL_LNX_SENDFIB:
2389 debug(1, "FSACTL_SENDFIB");
2390 error = aac_ioctl_sendfib(sc, arg);
2392 case FSACTL_AIF_THREAD:
2393 case FSACTL_LNX_AIF_THREAD:
2394 debug(1, "FSACTL_AIF_THREAD");
2397 case FSACTL_OPEN_GET_ADAPTER_FIB:
2398 arg = *(caddr_t*)arg;
2399 case FSACTL_LNX_OPEN_GET_ADAPTER_FIB:
2400 debug(1, "FSACTL_OPEN_GET_ADAPTER_FIB");
2402 * Pass the caller out an AdapterFibContext.
2404 * Note that because we only support one opener, we
2405 * basically ignore this. Set the caller's context to a magic
2406 * number just in case.
2408 * The Linux code hands the driver a pointer into kernel space,
2409 * and then trusts it when the caller hands it back. Aiee!
2410 * Here, we give it the proc pointer of the per-adapter aif
2411 * thread. It's only used as a sanity check in other calls.
2413 i = (int)sc->aifthread;
2414 error = copyout(&i, arg, sizeof(i));
2416 case FSACTL_GET_NEXT_ADAPTER_FIB:
2417 arg = *(caddr_t*)arg;
2418 case FSACTL_LNX_GET_NEXT_ADAPTER_FIB:
2419 debug(1, "FSACTL_GET_NEXT_ADAPTER_FIB");
2420 error = aac_getnext_aif(sc, arg);
2422 case FSACTL_CLOSE_GET_ADAPTER_FIB:
2423 case FSACTL_LNX_CLOSE_GET_ADAPTER_FIB:
2424 debug(1, "FSACTL_CLOSE_GET_ADAPTER_FIB");
2425 /* don't do anything here */
2427 case FSACTL_MINIPORT_REV_CHECK:
2428 arg = *(caddr_t*)arg;
2429 case FSACTL_LNX_MINIPORT_REV_CHECK:
2430 debug(1, "FSACTL_MINIPORT_REV_CHECK");
2431 error = aac_rev_check(sc, arg);
2433 case FSACTL_QUERY_DISK:
2434 arg = *(caddr_t*)arg;
2435 case FSACTL_LNX_QUERY_DISK:
2436 debug(1, "FSACTL_QUERY_DISK");
2437 error = aac_query_disk(sc, arg);
2439 case FSACTL_DELETE_DISK:
2440 case FSACTL_LNX_DELETE_DISK:
2442 * We don't trust the underland to tell us when to delete a
2443 * container, rather we rely on an AIF coming from the
2449 debug(1, "unsupported cmd 0x%lx\n", cmd);
2457 aac_poll(dev_t dev, int poll_events, d_thread_t *td)
2459 struct aac_softc *sc;
2465 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
2466 if ((poll_events & (POLLRDNORM | POLLIN)) != 0) {
2467 if (sc->aac_aifq_tail != sc->aac_aifq_head)
2468 revents |= poll_events & (POLLIN | POLLRDNORM);
2470 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
2473 if (poll_events & (POLLIN | POLLRDNORM))
2474 selrecord(td, &sc->rcv_select);
2481 * Send a FIB supplied from userspace
2484 aac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib)
2486 struct aac_command *cm;
2496 if (aac_alloc_command(sc, &cm)) {
2502 * Fetch the FIB header, then re-copy to get data as well.
2504 if ((error = copyin(ufib, cm->cm_fib,
2505 sizeof(struct aac_fib_header))) != 0)
2507 size = cm->cm_fib->Header.Size + sizeof(struct aac_fib_header);
2508 if (size > sizeof(struct aac_fib)) {
2509 device_printf(sc->aac_dev, "incoming FIB oversized (%d > %d)\n",
2510 size, sizeof(struct aac_fib));
2511 size = sizeof(struct aac_fib);
2513 if ((error = copyin(ufib, cm->cm_fib, size)) != 0)
2515 cm->cm_fib->Header.Size = size;
2516 cm->cm_timestamp = time_second;
2519 * Pass the FIB to the controller, wait for it to complete.
2521 if ((error = aac_wait_command(cm, 30)) != 0) { /* XXX user timeout? */
2522 printf("aac_wait_command return %d\n", error);
2527 * Copy the FIB and data back out to the caller.
2529 size = cm->cm_fib->Header.Size;
2530 if (size > sizeof(struct aac_fib)) {
2531 device_printf(sc->aac_dev, "outbound FIB oversized (%d > %d)\n",
2532 size, sizeof(struct aac_fib));
2533 size = sizeof(struct aac_fib);
2535 error = copyout(cm->cm_fib, ufib, size);
2539 aac_release_command(cm);
2545 * Handle an AIF sent to us by the controller; queue it for later reference.
2546 * If the queue fills up, then drop the older entries.
2549 aac_handle_aif(struct aac_softc *sc, struct aac_fib *fib)
2551 struct aac_aif_command *aif;
2552 struct aac_container *co, *co_next;
2553 struct aac_mntinfo *mi;
2554 struct aac_mntinforesp *mir = NULL;
2557 int added = 0, i = 0;
2561 aif = (struct aac_aif_command*)&fib->data[0];
2562 aac_print_aif(sc, aif);
2564 /* Is it an event that we should care about? */
2565 switch (aif->command) {
2566 case AifCmdEventNotify:
2567 switch (aif->data.EN.type) {
2568 case AifEnAddContainer:
2569 case AifEnDeleteContainer:
2571 * A container was added or deleted, but the message
2572 * doesn't tell us anything else! Re-enumerate the
2573 * containers and sort things out.
2575 aac_alloc_sync_fib(sc, &fib, 0);
2576 mi = (struct aac_mntinfo *)&fib->data[0];
2579 * Ask the controller for its containers one at
2581 * XXX What if the controller's list changes
2582 * midway through this enumaration?
2583 * XXX This should be done async.
2585 bzero(mi, sizeof(struct aac_mntinfo));
2586 mi->Command = VM_NameServe;
2587 mi->MntType = FT_FILESYS;
2589 rsize = sizeof(mir);
2590 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
2591 sizeof(struct aac_mntinfo))) {
2592 debug(2, "Error probing container %d\n",
2596 mir = (struct aac_mntinforesp *)&fib->data[0];
2598 * Check the container against our list.
2599 * co->co_found was already set to 0 in a
2602 if ((mir->Status == ST_OK) &&
2603 (mir->MntTable[0].VolType != CT_NONE)) {
2606 &sc->aac_container_tqh,
2608 if (co->co_mntobj.ObjectId ==
2609 mir->MntTable[0].ObjectId) {
2616 * If the container matched, continue
2625 * This is a new container. Do all the
2626 * appropriate things to set it up. */
2627 aac_add_container(sc, mir, 1);
2631 } while ((i < mir->MntRespCount) &&
2632 (i < AAC_MAX_CONTAINERS));
2633 aac_release_sync_fib(sc);
2636 * Go through our list of containers and see which ones
2637 * were not marked 'found'. Since the controller didn't
2638 * list them they must have been deleted. Do the
2639 * appropriate steps to destroy the device. Also reset
2640 * the co->co_found field.
2642 co = TAILQ_FIRST(&sc->aac_container_tqh);
2643 while (co != NULL) {
2644 if (co->co_found == 0) {
2645 device_delete_child(sc->aac_dev,
2647 co_next = TAILQ_NEXT(co, co_link);
2648 AAC_LOCK_ACQUIRE(&sc->
2649 aac_container_lock);
2650 TAILQ_REMOVE(&sc->aac_container_tqh, co,
2652 AAC_LOCK_RELEASE(&sc->
2653 aac_container_lock);
2658 co = TAILQ_NEXT(co, co_link);
2662 /* Attach the newly created containers */
2664 bus_generic_attach(sc->aac_dev);
2676 /* Copy the AIF data to the AIF queue for ioctl retrieval */
2677 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
2678 next = (sc->aac_aifq_head + 1) % AAC_AIFQ_LENGTH;
2679 if (next != sc->aac_aifq_tail) {
2680 bcopy(aif, &sc->aac_aifq[next], sizeof(struct aac_aif_command));
2681 sc->aac_aifq_head = next;
2683 /* On the off chance that someone is sleeping for an aif... */
2684 if (sc->aac_state & AAC_STATE_AIF_SLEEPER)
2685 wakeup(sc->aac_aifq);
2686 /* token may have been lost */
2687 /* Wakeup any poll()ers */
2688 selwakeup(&sc->rcv_select);
2689 /* token may have been lost */
2691 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
2697 * Return the Revision of the driver to userspace and check to see if the
2698 * userspace app is possibly compatible. This is extremely bogus since
2699 * our driver doesn't follow Adaptec's versioning system. Cheat by just
2700 * returning what the card reported.
2703 aac_rev_check(struct aac_softc *sc, caddr_t udata)
2705 struct aac_rev_check rev_check;
2706 struct aac_rev_check_resp rev_check_resp;
2712 * Copyin the revision struct from userspace
2714 if ((error = copyin(udata, (caddr_t)&rev_check,
2715 sizeof(struct aac_rev_check))) != 0) {
2719 debug(2, "Userland revision= %d\n",
2720 rev_check.callingRevision.buildNumber);
2723 * Doctor up the response struct.
2725 rev_check_resp.possiblyCompatible = 1;
2726 rev_check_resp.adapterSWRevision.external.ul =
2727 sc->aac_revision.external.ul;
2728 rev_check_resp.adapterSWRevision.buildNumber =
2729 sc->aac_revision.buildNumber;
2731 return(copyout((caddr_t)&rev_check_resp, udata,
2732 sizeof(struct aac_rev_check_resp)));
2736 * Pass the caller the next AIF in their queue
2739 aac_getnext_aif(struct aac_softc *sc, caddr_t arg)
2741 struct get_adapter_fib_ioctl agf;
2746 if ((error = copyin(arg, &agf, sizeof(agf))) == 0) {
2749 * Check the magic number that we gave the caller.
2751 if (agf.AdapterFibContext != (int)sc->aifthread) {
2756 error = aac_return_aif(sc, agf.AifFib);
2758 if ((error == EAGAIN) && (agf.Wait)) {
2759 sc->aac_state |= AAC_STATE_AIF_SLEEPER;
2760 while (error == EAGAIN) {
2761 error = tsleep(sc->aac_aifq,
2762 PCATCH, "aacaif", 0);
2764 error = aac_return_aif(sc,
2767 sc->aac_state &= ~AAC_STATE_AIF_SLEEPER;
2776 * Hand the next AIF off the top of the queue out to userspace.
2778 * YYY token could be lost during copyout
2781 aac_return_aif(struct aac_softc *sc, caddr_t uptr)
2787 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
2788 if (sc->aac_aifq_tail == sc->aac_aifq_head) {
2791 error = copyout(&sc->aac_aifq[sc->aac_aifq_tail], uptr,
2792 sizeof(struct aac_aif_command));
2794 printf("aac_return_aif: copyout returned %d\n", error);
2796 sc->aac_aifq_tail = (sc->aac_aifq_tail + 1) %
2799 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
2804 * Give the userland some information about the container. The AAC arch
2805 * expects the driver to be a SCSI passthrough type driver, so it expects
2806 * the containers to have b:t:l numbers. Fake it.
2809 aac_query_disk(struct aac_softc *sc, caddr_t uptr)
2811 struct aac_query_disk query_disk;
2812 struct aac_container *co;
2813 struct aac_disk *disk;
2820 error = copyin(uptr, (caddr_t)&query_disk,
2821 sizeof(struct aac_query_disk));
2825 id = query_disk.ContainerNumber;
2829 AAC_LOCK_ACQUIRE(&sc->aac_container_lock);
2830 TAILQ_FOREACH(co, &sc->aac_container_tqh, co_link) {
2831 if (co->co_mntobj.ObjectId == id)
2836 query_disk.Valid = 0;
2837 query_disk.Locked = 0;
2838 query_disk.Deleted = 1; /* XXX is this right? */
2840 disk = device_get_softc(co->co_disk);
2841 query_disk.Valid = 1;
2843 (disk->ad_flags & AAC_DISK_OPEN) ? 1 : 0;
2844 query_disk.Deleted = 0;
2845 query_disk.Bus = device_get_unit(sc->aac_dev);
2846 query_disk.Target = disk->unit;
2848 query_disk.UnMapped = 0;
2849 bcopy(disk->ad_dev_t->si_name,
2850 &query_disk.diskDeviceName[0], 10);
2852 AAC_LOCK_RELEASE(&sc->aac_container_lock);
2854 error = copyout((caddr_t)&query_disk, uptr,
2855 sizeof(struct aac_query_disk));
2861 aac_get_bus_info(struct aac_softc *sc)
2863 struct aac_fib *fib;
2864 struct aac_ctcfg *c_cmd;
2865 struct aac_ctcfg_resp *c_resp;
2866 struct aac_vmioctl *vmi;
2867 struct aac_vmi_businf_resp *vmi_resp;
2868 struct aac_getbusinf businfo;
2869 struct aac_cam_inf *caminf;
2871 int i, found, error;
2873 aac_alloc_sync_fib(sc, &fib, 0);
2874 c_cmd = (struct aac_ctcfg *)&fib->data[0];
2875 bzero(c_cmd, sizeof(struct aac_ctcfg));
2877 c_cmd->Command = VM_ContainerConfig;
2878 c_cmd->cmd = CT_GET_SCSI_METHOD;
2881 error = aac_sync_fib(sc, ContainerCommand, 0, fib,
2882 sizeof(struct aac_ctcfg));
2884 device_printf(sc->aac_dev, "Error %d sending "
2885 "VM_ContainerConfig command\n", error);
2886 aac_release_sync_fib(sc);
2890 c_resp = (struct aac_ctcfg_resp *)&fib->data[0];
2891 if (c_resp->Status != ST_OK) {
2892 device_printf(sc->aac_dev, "VM_ContainerConfig returned 0x%x\n",
2894 aac_release_sync_fib(sc);
2898 sc->scsi_method_id = c_resp->param;
2900 vmi = (struct aac_vmioctl *)&fib->data[0];
2901 bzero(vmi, sizeof(struct aac_vmioctl));
2903 vmi->Command = VM_Ioctl;
2904 vmi->ObjType = FT_DRIVE;
2905 vmi->MethId = sc->scsi_method_id;
2907 vmi->IoctlCmd = GetBusInfo;
2909 error = aac_sync_fib(sc, ContainerCommand, 0, fib,
2910 sizeof(struct aac_vmioctl));
2912 device_printf(sc->aac_dev, "Error %d sending VMIoctl command\n",
2914 aac_release_sync_fib(sc);
2918 vmi_resp = (struct aac_vmi_businf_resp *)&fib->data[0];
2919 if (vmi_resp->Status != ST_OK) {
2920 debug(1, "VM_Ioctl returned %d\n", vmi_resp->Status);
2921 aac_release_sync_fib(sc);
2925 bcopy(&vmi_resp->BusInf, &businfo, sizeof(struct aac_getbusinf));
2926 aac_release_sync_fib(sc);
2929 for (i = 0; i < businfo.BusCount; i++) {
2930 if (businfo.BusValid[i] != AAC_BUS_VALID)
2933 MALLOC(caminf, struct aac_cam_inf *,
2934 sizeof(struct aac_cam_inf), M_AACBUF, M_NOWAIT | M_ZERO);
2938 child = device_add_child(sc->aac_dev, "aacp", -1);
2939 if (child == NULL) {
2940 device_printf(sc->aac_dev, "device_add_child failed\n");
2944 caminf->TargetsPerBus = businfo.TargetsPerBus;
2945 caminf->BusNumber = i;
2946 caminf->InitiatorBusId = businfo.InitiatorBusId[i];
2947 caminf->aac_sc = sc;
2949 device_set_ivars(child, caminf);
2950 device_set_desc(child, "SCSI Passthrough Bus");
2956 bus_generic_attach(sc->aac_dev);