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>
52 #include <sys/devicestat.h>
54 #include <sys/signalvar.h>
56 #include <sys/eventhandler.h>
59 #include <bus/pci/pcireg.h>
60 #include <bus/pci/pcivar.h>
63 #include "aac_ioctl.h"
65 #include "aac_tables.h"
67 static void aac_startup(void *arg);
68 static void aac_add_container(struct aac_softc *sc,
69 struct aac_mntinforesp *mir, int f);
70 static void aac_get_bus_info(struct aac_softc *sc);
71 static int aac_shutdown(device_t dev);
73 /* Command Processing */
74 static void aac_timeout(void *ssc);
75 static int aac_map_command(struct aac_command *cm);
76 static void aac_complete(void *context, int pending);
77 static int aac_bio_command(struct aac_softc *sc, struct aac_command **cmp);
78 static void aac_bio_complete(struct aac_command *cm);
79 static int aac_wait_command(struct aac_command *cm);
80 static void aac_command_thread(struct aac_softc *sc);
82 /* Command Buffer Management */
83 static void aac_map_command_sg(void *arg, bus_dma_segment_t *segs,
85 static void aac_map_command_helper(void *arg, bus_dma_segment_t *segs,
87 static int aac_alloc_commands(struct aac_softc *sc);
88 static void aac_free_commands(struct aac_softc *sc);
89 static void aac_unmap_command(struct aac_command *cm);
91 /* Hardware Interface */
92 static void aac_common_map(void *arg, bus_dma_segment_t *segs, int nseg,
94 static int aac_check_firmware(struct aac_softc *sc);
95 static int aac_init(struct aac_softc *sc);
96 static int aac_sync_command(struct aac_softc *sc, u_int32_t command,
97 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
98 u_int32_t arg3, u_int32_t *sp);
99 static int aac_enqueue_fib(struct aac_softc *sc, int queue,
100 struct aac_command *cm);
101 static int aac_dequeue_fib(struct aac_softc *sc, int queue,
102 u_int32_t *fib_size, struct aac_fib **fib_addr);
103 static int aac_enqueue_response(struct aac_softc *sc, int queue,
104 struct aac_fib *fib);
106 /* Falcon/PPC interface */
107 static int aac_fa_get_fwstatus(struct aac_softc *sc);
108 static void aac_fa_qnotify(struct aac_softc *sc, int qbit);
109 static int aac_fa_get_istatus(struct aac_softc *sc);
110 static void aac_fa_clear_istatus(struct aac_softc *sc, int mask);
111 static void aac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command,
112 u_int32_t arg0, u_int32_t arg1,
113 u_int32_t arg2, u_int32_t arg3);
114 static int aac_fa_get_mailbox(struct aac_softc *sc, int mb);
115 static void aac_fa_set_interrupts(struct aac_softc *sc, int enable);
117 struct aac_interface aac_fa_interface = {
121 aac_fa_clear_istatus,
124 aac_fa_set_interrupts,
128 /* StrongARM interface */
129 static int aac_sa_get_fwstatus(struct aac_softc *sc);
130 static void aac_sa_qnotify(struct aac_softc *sc, int qbit);
131 static int aac_sa_get_istatus(struct aac_softc *sc);
132 static void aac_sa_clear_istatus(struct aac_softc *sc, int mask);
133 static void aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
134 u_int32_t arg0, u_int32_t arg1,
135 u_int32_t arg2, u_int32_t arg3);
136 static int aac_sa_get_mailbox(struct aac_softc *sc, int mb);
137 static void aac_sa_set_interrupts(struct aac_softc *sc, int enable);
139 struct aac_interface aac_sa_interface = {
143 aac_sa_clear_istatus,
146 aac_sa_set_interrupts,
150 /* i960Rx interface */
151 static int aac_rx_get_fwstatus(struct aac_softc *sc);
152 static void aac_rx_qnotify(struct aac_softc *sc, int qbit);
153 static int aac_rx_get_istatus(struct aac_softc *sc);
154 static void aac_rx_clear_istatus(struct aac_softc *sc, int mask);
155 static void aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
156 u_int32_t arg0, u_int32_t arg1,
157 u_int32_t arg2, u_int32_t arg3);
158 static int aac_rx_get_mailbox(struct aac_softc *sc, int mb);
159 static void aac_rx_set_interrupts(struct aac_softc *sc, int enable);
160 static int aac_rx_send_command(struct aac_softc *sc, struct aac_command *cm);
161 static int aac_rx_get_outb_queue(struct aac_softc *sc);
162 static void aac_rx_set_outb_queue(struct aac_softc *sc, int index);
164 struct aac_interface aac_rx_interface = {
168 aac_rx_clear_istatus,
171 aac_rx_set_interrupts,
173 aac_rx_get_outb_queue,
174 aac_rx_set_outb_queue
177 /* Rocket/MIPS interface */
178 static int aac_rkt_get_fwstatus(struct aac_softc *sc);
179 static void aac_rkt_qnotify(struct aac_softc *sc, int qbit);
180 static int aac_rkt_get_istatus(struct aac_softc *sc);
181 static void aac_rkt_clear_istatus(struct aac_softc *sc, int mask);
182 static void aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command,
183 u_int32_t arg0, u_int32_t arg1,
184 u_int32_t arg2, u_int32_t arg3);
185 static int aac_rkt_get_mailbox(struct aac_softc *sc, int mb);
186 static void aac_rkt_set_interrupts(struct aac_softc *sc, int enable);
187 static int aac_rkt_send_command(struct aac_softc *sc, struct aac_command *cm);
188 static int aac_rkt_get_outb_queue(struct aac_softc *sc);
189 static void aac_rkt_set_outb_queue(struct aac_softc *sc, int index);
191 struct aac_interface aac_rkt_interface = {
192 aac_rkt_get_fwstatus,
195 aac_rkt_clear_istatus,
198 aac_rkt_set_interrupts,
199 aac_rkt_send_command,
200 aac_rkt_get_outb_queue,
201 aac_rkt_set_outb_queue
204 /* Debugging and Diagnostics */
205 static void aac_describe_controller(struct aac_softc *sc);
206 static char *aac_describe_code(struct aac_code_lookup *table,
209 /* Management Interface */
210 static d_open_t aac_open;
211 static d_close_t aac_close;
212 static d_ioctl_t aac_ioctl;
213 static d_poll_t aac_poll;
214 static int aac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib) __unused;
215 static void aac_handle_aif(struct aac_softc *sc,
216 struct aac_fib *fib);
217 static int aac_rev_check(struct aac_softc *sc, caddr_t udata);
218 static int aac_getnext_aif(struct aac_softc *sc, caddr_t arg);
219 static int aac_return_aif(struct aac_softc *sc, caddr_t uptr);
220 static int aac_query_disk(struct aac_softc *sc, caddr_t uptr);
221 static int aac_get_pci_info(struct aac_softc *sc, caddr_t uptr);
222 static void aac_ioctl_event(struct aac_softc *sc,
223 struct aac_event *event, void *arg);
225 #define AAC_CDEV_MAJOR 150
227 static struct dev_ops aac_ops = {
228 { "aac", AAC_CDEV_MAJOR, 0 },
230 .d_close = aac_close,
231 .d_ioctl = aac_ioctl,
235 DECLARE_DUMMY_MODULE(aac);
237 MALLOC_DEFINE(M_AACBUF, "aacbuf", "Buffers for the AAC driver");
240 SYSCTL_NODE(_hw, OID_AUTO, aac, CTLFLAG_RD, 0, "AAC driver parameters");
247 * Initialise the controller and softc
250 aac_attach(struct aac_softc *sc)
255 callout_init(&sc->aac_watchdog);
258 * Initialise per-controller queues.
263 aac_initq_complete(sc);
267 * Initialise command-completion task.
269 TASK_INIT(&sc->aac_task_complete, 0, aac_complete, sc);
271 /* mark controller as suspended until we get ourselves organised */
272 sc->aac_state |= AAC_STATE_SUSPEND;
275 * Check that the firmware on the card is supported.
277 if ((error = aac_check_firmware(sc)) != 0)
283 AAC_LOCK_INIT(&sc->aac_aifq_lock, "AAC AIF lock");
284 AAC_LOCK_INIT(&sc->aac_io_lock, "AAC I/O lock");
285 AAC_LOCK_INIT(&sc->aac_container_lock, "AAC container lock");
286 TAILQ_INIT(&sc->aac_container_tqh);
287 TAILQ_INIT(&sc->aac_ev_cmfree);
290 /* Initialize the local AIF queue pointers */
291 sc->aac_aifq_head = sc->aac_aifq_tail = AAC_AIFQ_LENGTH;
294 * Initialise the adapter.
296 if ((error = aac_init(sc)) != 0)
300 * Allocate and connect our interrupt.
303 if ((sc->aac_irq = bus_alloc_resource_any(sc->aac_dev, SYS_RES_IRQ,
306 RF_ACTIVE)) == NULL) {
307 device_printf(sc->aac_dev, "can't allocate interrupt\n");
310 if (sc->flags & AAC_FLAGS_NEW_COMM) {
311 if (bus_setup_intr(sc->aac_dev, sc->aac_irq,
312 INTR_MPSAFE, aac_new_intr,
313 sc, &sc->aac_intr, NULL)) {
314 device_printf(sc->aac_dev, "can't set up interrupt\n");
318 if (bus_setup_intr(sc->aac_dev, sc->aac_irq,
319 INTR_FAST, aac_fast_intr,
320 sc, &sc->aac_intr, NULL)) {
321 device_printf(sc->aac_dev,
322 "can't set up FAST interrupt\n");
323 if (bus_setup_intr(sc->aac_dev, sc->aac_irq,
324 INTR_MPSAFE, aac_fast_intr,
325 sc, &sc->aac_intr, NULL)) {
326 device_printf(sc->aac_dev,
327 "can't set up MPSAFE interrupt\n");
334 * Print a little information about the controller.
336 aac_describe_controller(sc);
339 * Register to probe our containers later.
341 sc->aac_ich.ich_func = aac_startup;
342 sc->aac_ich.ich_arg = sc;
343 sc->aac_ich.ich_desc = "aac";
344 if (config_intrhook_establish(&sc->aac_ich) != 0) {
345 device_printf(sc->aac_dev,
346 "can't establish configuration hook\n");
351 * Make the control device.
353 unit = device_get_unit(sc->aac_dev);
354 dev_ops_add(&aac_ops, -1, unit);
355 sc->aac_dev_t = make_dev(&aac_ops, unit, UID_ROOT, GID_OPERATOR, 0640,
357 sc->aac_dev_t->si_drv1 = sc;
358 reference_dev(sc->aac_dev_t);
360 /* Create the AIF thread */
361 if (kthread_create((void(*)(void *))aac_command_thread, sc,
362 &sc->aifthread, "aac%daif", unit))
363 panic("Could not create AIF thread\n");
365 /* Register the shutdown method to only be called post-dump */
366 if ((sc->eh = EVENTHANDLER_REGISTER(shutdown_post_sync, aac_shutdown,
367 sc->aac_dev, SHUTDOWN_PRI_DRIVER)) == NULL)
368 device_printf(sc->aac_dev,
369 "shutdown event registration failed\n");
371 /* Register with CAM for the non-DASD devices */
372 if ((sc->flags & AAC_FLAGS_ENABLE_CAM) != 0) {
373 TAILQ_INIT(&sc->aac_sim_tqh);
374 aac_get_bus_info(sc);
381 aac_add_event(struct aac_softc *sc, struct aac_event *event)
384 switch (event->ev_type & AAC_EVENT_MASK) {
385 case AAC_EVENT_CMFREE:
386 TAILQ_INSERT_TAIL(&sc->aac_ev_cmfree, event, ev_links);
389 device_printf(sc->aac_dev, "aac_add event: unknown event %d\n",
398 * Probe for containers, create disks.
401 aac_startup(void *arg)
403 struct aac_softc *sc;
405 struct aac_mntinfo *mi;
406 struct aac_mntinforesp *mir = NULL;
407 int count = 0, i = 0;
411 sc = (struct aac_softc *)arg;
413 /* disconnect ourselves from the intrhook chain */
414 config_intrhook_disestablish(&sc->aac_ich);
416 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
417 aac_alloc_sync_fib(sc, &fib);
418 mi = (struct aac_mntinfo *)&fib->data[0];
420 /* loop over possible containers */
422 /* request information on this container */
423 bzero(mi, sizeof(struct aac_mntinfo));
424 mi->Command = VM_NameServe;
425 mi->MntType = FT_FILESYS;
427 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
428 sizeof(struct aac_mntinfo))) {
429 device_printf(sc->aac_dev,
430 "error probing container %d", i);
435 mir = (struct aac_mntinforesp *)&fib->data[0];
436 /* XXX Need to check if count changed */
437 count = mir->MntRespCount;
438 aac_add_container(sc, mir, 0);
440 } while ((i < count) && (i < AAC_MAX_CONTAINERS));
442 aac_release_sync_fib(sc);
443 AAC_LOCK_RELEASE(&sc->aac_io_lock);
445 /* poke the bus to actually attach the child devices */
446 if (bus_generic_attach(sc->aac_dev))
447 device_printf(sc->aac_dev, "bus_generic_attach failed\n");
449 /* mark the controller up */
450 sc->aac_state &= ~AAC_STATE_SUSPEND;
452 /* enable interrupts now */
453 AAC_UNMASK_INTERRUPTS(sc);
457 * Create a device to respresent a new container
460 aac_add_container(struct aac_softc *sc, struct aac_mntinforesp *mir, int f)
462 struct aac_container *co;
466 * Check container volume type for validity. Note that many of
467 * the possible types may never show up.
469 if ((mir->Status == ST_OK) && (mir->MntTable[0].VolType != CT_NONE)) {
470 co = (struct aac_container *)kmalloc(sizeof *co, M_AACBUF,
472 debug(1, "id %x name '%.16s' size %u type %d",
473 mir->MntTable[0].ObjectId,
474 mir->MntTable[0].FileSystemName,
475 mir->MntTable[0].Capacity, mir->MntTable[0].VolType);
477 if ((child = device_add_child(sc->aac_dev, "aacd", -1)) == NULL)
478 device_printf(sc->aac_dev, "device_add_child failed\n");
480 device_set_ivars(child, co);
481 device_set_desc(child, aac_describe_code(aac_container_types,
482 mir->MntTable[0].VolType));
485 bcopy(&mir->MntTable[0], &co->co_mntobj,
486 sizeof(struct aac_mntobj));
487 AAC_LOCK_ACQUIRE(&sc->aac_container_lock);
488 TAILQ_INSERT_TAIL(&sc->aac_container_tqh, co, co_link);
489 AAC_LOCK_RELEASE(&sc->aac_container_lock);
494 * Free all of the resources associated with (sc)
496 * Should not be called if the controller is active.
499 aac_free(struct aac_softc *sc)
504 /* remove the control device */
505 if (sc->aac_dev_t != NULL)
506 destroy_dev(sc->aac_dev_t);
508 /* throw away any FIB buffers, discard the FIB DMA tag */
509 aac_free_commands(sc);
510 if (sc->aac_fib_dmat)
511 bus_dma_tag_destroy(sc->aac_fib_dmat);
513 kfree(sc->aac_commands, M_AACBUF);
515 /* destroy the common area */
516 if (sc->aac_common) {
517 bus_dmamap_unload(sc->aac_common_dmat, sc->aac_common_dmamap);
518 bus_dmamem_free(sc->aac_common_dmat, sc->aac_common,
519 sc->aac_common_dmamap);
521 if (sc->aac_common_dmat)
522 bus_dma_tag_destroy(sc->aac_common_dmat);
524 /* disconnect the interrupt handler */
526 bus_teardown_intr(sc->aac_dev, sc->aac_irq, sc->aac_intr);
527 if (sc->aac_irq != NULL)
528 bus_release_resource(sc->aac_dev, SYS_RES_IRQ, sc->aac_irq_rid,
531 /* destroy data-transfer DMA tag */
532 if (sc->aac_buffer_dmat)
533 bus_dma_tag_destroy(sc->aac_buffer_dmat);
535 /* destroy the parent DMA tag */
536 if (sc->aac_parent_dmat)
537 bus_dma_tag_destroy(sc->aac_parent_dmat);
539 /* release the register window mapping */
540 if (sc->aac_regs_resource != NULL) {
541 bus_release_resource(sc->aac_dev, SYS_RES_MEMORY,
542 sc->aac_regs_rid, sc->aac_regs_resource);
544 dev_ops_remove(&aac_ops, -1, device_get_unit(sc->aac_dev));
548 * Disconnect from the controller completely, in preparation for unload.
551 aac_detach(device_t dev)
553 struct aac_softc *sc;
554 struct aac_container *co;
560 sc = device_get_softc(dev);
562 callout_stop(&sc->aac_watchdog);
564 if (sc->aac_state & AAC_STATE_OPEN)
567 /* Remove the child containers */
568 while ((co = TAILQ_FIRST(&sc->aac_container_tqh)) != NULL) {
569 error = device_delete_child(dev, co->co_disk);
572 TAILQ_REMOVE(&sc->aac_container_tqh, co, co_link);
576 /* Remove the CAM SIMs */
577 while ((sim = TAILQ_FIRST(&sc->aac_sim_tqh)) != NULL) {
578 TAILQ_REMOVE(&sc->aac_sim_tqh, sim, sim_link);
579 error = device_delete_child(dev, sim->sim_dev);
582 kfree(sim, M_AACBUF);
585 if (sc->aifflags & AAC_AIFFLAGS_RUNNING) {
586 sc->aifflags |= AAC_AIFFLAGS_EXIT;
587 wakeup(sc->aifthread);
588 tsleep(sc->aac_dev, PCATCH, "aacdch", 30 * hz);
591 if (sc->aifflags & AAC_AIFFLAGS_RUNNING)
592 panic("Cannot shutdown AIF thread\n");
594 if ((error = aac_shutdown(dev)))
597 EVENTHANDLER_DEREGISTER(shutdown_post_sync, sc->eh);
601 lockuninit(&sc->aac_aifq_lock);
602 lockuninit(&sc->aac_io_lock);
603 lockuninit(&sc->aac_container_lock);
609 * Bring the controller down to a dormant state and detach all child devices.
611 * This function is called before detach or system shutdown.
613 * Note that we can assume that the bioq on the controller is empty, as we won't
614 * allow shutdown if any device is open.
617 aac_shutdown(device_t dev)
619 struct aac_softc *sc;
621 struct aac_close_command *cc;
625 sc = device_get_softc(dev);
627 sc->aac_state |= AAC_STATE_SUSPEND;
630 * Send a Container shutdown followed by a HostShutdown FIB to the
631 * controller to convince it that we don't want to talk to it anymore.
632 * We've been closed and all I/O completed already
634 device_printf(sc->aac_dev, "shutting down controller...");
636 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
637 aac_alloc_sync_fib(sc, &fib);
638 cc = (struct aac_close_command *)&fib->data[0];
640 bzero(cc, sizeof(struct aac_close_command));
641 cc->Command = VM_CloseAll;
642 cc->ContainerId = 0xffffffff;
643 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
644 sizeof(struct aac_close_command)))
645 kprintf("FAILED.\n");
652 * XXX Issuing this command to the controller makes it shut down
653 * but also keeps it from coming back up without a reset of the
654 * PCI bus. This is not desirable if you are just unloading the
655 * driver module with the intent to reload it later.
657 if (aac_sync_fib(sc, FsaHostShutdown, AAC_FIBSTATE_SHUTDOWN,
659 kprintf("FAILED.\n");
666 AAC_MASK_INTERRUPTS(sc);
667 aac_release_sync_fib(sc);
668 AAC_LOCK_RELEASE(&sc->aac_io_lock);
674 * Bring the controller to a quiescent state, ready for system suspend.
677 aac_suspend(device_t dev)
679 struct aac_softc *sc;
683 sc = device_get_softc(dev);
685 sc->aac_state |= AAC_STATE_SUSPEND;
687 AAC_MASK_INTERRUPTS(sc);
692 * Bring the controller back to a state ready for operation.
695 aac_resume(device_t dev)
697 struct aac_softc *sc;
701 sc = device_get_softc(dev);
703 sc->aac_state &= ~AAC_STATE_SUSPEND;
704 AAC_UNMASK_INTERRUPTS(sc);
709 * Interrupt handler for NEW_COMM interface.
712 aac_new_intr(void *arg)
714 struct aac_softc *sc;
715 u_int32_t index, fast;
716 struct aac_command *cm;
722 sc = (struct aac_softc *)arg;
724 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
726 index = AAC_GET_OUTB_QUEUE(sc);
727 if (index == 0xffffffff)
728 index = AAC_GET_OUTB_QUEUE(sc);
729 if (index == 0xffffffff)
732 if (index == 0xfffffffe) {
733 /* XXX This means that the controller wants
734 * more work. Ignore it for now.
739 fib = (struct aac_fib *)kmalloc(sizeof *fib, M_AACBUF,
742 for (i = 0; i < sizeof(struct aac_fib)/4; ++i)
743 ((u_int32_t *)fib)[i] = AAC_GETREG4(sc, index + i*4);
744 aac_handle_aif(sc, fib);
745 kfree(fib, M_AACBUF);
748 * AIF memory is owned by the adapter, so let it
749 * know that we are done with it.
751 AAC_SET_OUTB_QUEUE(sc, index);
752 AAC_CLEAR_ISTATUS(sc, AAC_DB_RESPONSE_READY);
755 cm = sc->aac_commands + (index >> 2);
758 fib->Header.XferState |= AAC_FIBSTATE_DONEADAP;
759 *((u_int32_t *)(fib->data)) = AAC_ERROR_NORMAL;
762 aac_unmap_command(cm);
763 cm->cm_flags |= AAC_CMD_COMPLETED;
765 /* is there a completion handler? */
766 if (cm->cm_complete != NULL) {
769 /* assume that someone is sleeping on this
774 sc->flags &= ~AAC_QUEUE_FRZN;
777 /* see if we can start some more I/O */
778 if ((sc->flags & AAC_QUEUE_FRZN) == 0)
781 AAC_LOCK_RELEASE(&sc->aac_io_lock);
785 aac_fast_intr(void *arg)
787 struct aac_softc *sc;
792 sc = (struct aac_softc *)arg;
795 * Read the status register directly. This is faster than taking the
796 * driver lock and reading the queues directly. It also saves having
797 * to turn parts of the driver lock into a spin mutex, which would be
800 reason = AAC_GET_ISTATUS(sc);
801 AAC_CLEAR_ISTATUS(sc, reason);
803 /* handle completion processing */
804 if (reason & AAC_DB_RESPONSE_READY)
805 taskqueue_enqueue(taskqueue_swi, &sc->aac_task_complete);
807 /* controller wants to talk to us */
808 if (reason & (AAC_DB_PRINTF | AAC_DB_COMMAND_READY)) {
810 * XXX Make sure that we don't get fooled by strange messages
811 * that start with a NULL.
813 if ((reason & AAC_DB_PRINTF) &&
814 (sc->aac_common->ac_printf[0] == 0))
815 sc->aac_common->ac_printf[0] = 32;
818 * This might miss doing the actual wakeup. However, the
819 * msleep that this is waking up has a timeout, so it will
820 * wake up eventually. AIFs and printfs are low enough
821 * priority that they can handle hanging out for a few seconds
824 wakeup(sc->aifthread);
833 * Start as much queued I/O as possible on the controller
836 aac_startio(struct aac_softc *sc)
838 struct aac_command *cm;
842 if (sc->flags & AAC_QUEUE_FRZN)
847 * Try to get a command that's been put off for lack of
850 cm = aac_dequeue_ready(sc);
853 * Try to build a command off the bio queue (ignore error
857 aac_bio_command(sc, &cm);
864 * Try to give the command to the controller. Any error is
865 * catastrophic since it means that bus_dmamap_load() failed.
867 if (aac_map_command(cm) != 0)
868 panic("aac: error mapping command %p\n", cm);
873 * Deliver a command to the controller; allocate controller resources at the
874 * last moment when possible.
877 aac_map_command(struct aac_command *cm)
879 struct aac_softc *sc;
887 /* don't map more than once */
888 if (cm->cm_flags & AAC_CMD_MAPPED)
889 panic("aac: command %p already mapped", cm);
891 if (cm->cm_datalen != 0) {
892 error = bus_dmamap_load(sc->aac_buffer_dmat, cm->cm_datamap,
893 cm->cm_data, cm->cm_datalen,
894 aac_map_command_sg, cm, 0);
895 if (error == EINPROGRESS) {
896 debug(1, "freezing queue\n");
897 sc->flags |= AAC_QUEUE_FRZN;
901 aac_map_command_sg(cm, NULL, 0, 0);
907 * Handle notification of one or more FIBs coming from the controller.
910 aac_command_thread(struct aac_softc *sc)
918 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
919 sc->aifflags = AAC_AIFFLAGS_RUNNING;
921 while ((sc->aifflags & AAC_AIFFLAGS_EXIT) == 0) {
923 if ((sc->aifflags & AAC_AIFFLAGS_PENDING) == 0) {
925 tsleep_interlock(sc->aifthread);
926 AAC_LOCK_RELEASE(&sc->aac_io_lock);
927 retval = tsleep(sc->aifthread, 0,
928 "aifthd", AAC_PERIODIC_INTERVAL * hz);
929 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
933 * First see if any FIBs need to be allocated. This needs
934 * to be called without the driver lock because contigmalloc
935 * will grab Giant, and would result in an LOR.
937 if ((sc->aifflags & AAC_AIFFLAGS_ALLOCFIBS) != 0) {
938 AAC_LOCK_RELEASE(&sc->aac_io_lock);
939 aac_alloc_commands(sc);
940 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
941 sc->aifflags &= ~AAC_AIFFLAGS_ALLOCFIBS;
946 * While we're here, check to see if any commands are stuck.
947 * This is pretty low-priority, so it's ok if it doesn't
950 if (retval == EWOULDBLOCK)
953 /* Check the hardware printf message buffer */
954 if (sc->aac_common->ac_printf[0] != 0)
955 aac_print_printf(sc);
957 /* Also check to see if the adapter has a command for us. */
958 if (sc->flags & AAC_FLAGS_NEW_COMM)
961 if (aac_dequeue_fib(sc, AAC_HOST_NORM_CMD_QUEUE,
965 AAC_PRINT_FIB(sc, fib);
967 switch (fib->Header.Command) {
969 aac_handle_aif(sc, fib);
972 device_printf(sc->aac_dev, "unknown command "
973 "from controller\n");
977 if ((fib->Header.XferState == 0) ||
978 (fib->Header.StructType != AAC_FIBTYPE_TFIB)) {
982 /* Return the AIF to the controller. */
983 if (fib->Header.XferState & AAC_FIBSTATE_FROMADAP) {
984 fib->Header.XferState |= AAC_FIBSTATE_DONEHOST;
985 *(AAC_FSAStatus*)fib->data = ST_OK;
987 /* XXX Compute the Size field? */
988 size = fib->Header.Size;
989 if (size > sizeof(struct aac_fib)) {
990 size = sizeof(struct aac_fib);
991 fib->Header.Size = size;
994 * Since we did not generate this command, it
995 * cannot go through the normal
996 * enqueue->startio chain.
998 aac_enqueue_response(sc,
999 AAC_ADAP_NORM_RESP_QUEUE,
1004 sc->aifflags &= ~AAC_AIFFLAGS_RUNNING;
1005 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1006 wakeup(sc->aac_dev);
1012 * Process completed commands.
1015 aac_complete(void *context, int pending)
1017 struct aac_softc *sc;
1018 struct aac_command *cm;
1019 struct aac_fib *fib;
1024 sc = (struct aac_softc *)context;
1026 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
1028 /* pull completed commands off the queue */
1030 /* look for completed FIBs on our queue */
1031 if (aac_dequeue_fib(sc, AAC_HOST_NORM_RESP_QUEUE, &fib_size,
1033 break; /* nothing to do */
1035 /* get the command, unmap and queue for later processing */
1036 cm = sc->aac_commands + fib->Header.SenderData;
1038 AAC_PRINT_FIB(sc, fib);
1041 aac_remove_busy(cm);
1042 aac_unmap_command(cm); /* XXX defer? */
1043 cm->cm_flags |= AAC_CMD_COMPLETED;
1045 /* is there a completion handler? */
1046 if (cm->cm_complete != NULL) {
1047 cm->cm_complete(cm);
1049 /* assume that someone is sleeping on this command */
1054 /* see if we can start some more I/O */
1055 sc->flags &= ~AAC_QUEUE_FRZN;
1058 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1062 * Handle a bio submitted from a disk device.
1065 aac_submit_bio(struct aac_disk *ad, struct bio *bio)
1067 struct aac_softc *sc;
1071 bio->bio_driver_info = ad;
1072 sc = ad->ad_controller;
1074 /* queue the BIO and try to get some work done */
1075 aac_enqueue_bio(sc, bio);
1080 * Get a bio and build a command to go with it.
1083 aac_bio_command(struct aac_softc *sc, struct aac_command **cmp)
1085 struct aac_command *cm;
1086 struct aac_fib *fib;
1087 struct aac_disk *ad;
1093 /* get the resources we will need */
1096 if (aac_alloc_command(sc, &cm)) /* get a command */
1098 if ((bio = aac_dequeue_bio(sc)) == NULL)
1101 /* fill out the command */
1103 cm->cm_data = (void *)bp->b_data;
1104 cm->cm_datalen = bp->b_bcount;
1105 cm->cm_complete = aac_bio_complete;
1106 cm->cm_private = bio;
1107 cm->cm_timestamp = time_second;
1108 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1112 fib->Header.Size = sizeof(struct aac_fib_header);
1113 fib->Header.XferState =
1114 AAC_FIBSTATE_HOSTOWNED |
1115 AAC_FIBSTATE_INITIALISED |
1116 AAC_FIBSTATE_EMPTY |
1117 AAC_FIBSTATE_FROMHOST |
1118 AAC_FIBSTATE_REXPECTED |
1120 AAC_FIBSTATE_ASYNC |
1121 AAC_FIBSTATE_FAST_RESPONSE;
1123 /* build the read/write request */
1124 ad = (struct aac_disk *)bio->bio_driver_info;
1126 if (sc->flags & AAC_FLAGS_RAW_IO) {
1127 struct aac_raw_io *raw;
1128 raw = (struct aac_raw_io *)&fib->data[0];
1129 fib->Header.Command = RawIo;
1130 raw->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1131 raw->ByteCount = bp->b_bcount;
1132 raw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1134 raw->BpComplete = 0;
1135 fib->Header.Size += sizeof(struct aac_raw_io);
1136 cm->cm_sgtable = (struct aac_sg_table *)&raw->SgMapRaw;
1137 if (bp->b_cmd == BUF_CMD_READ) {
1139 cm->cm_flags |= AAC_CMD_DATAIN;
1142 cm->cm_flags |= AAC_CMD_DATAOUT;
1144 } else if ((sc->flags & AAC_FLAGS_SG_64BIT) == 0) {
1145 fib->Header.Command = ContainerCommand;
1146 if (bp->b_cmd == BUF_CMD_READ) {
1147 struct aac_blockread *br;
1148 br = (struct aac_blockread *)&fib->data[0];
1149 br->Command = VM_CtBlockRead;
1150 br->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1151 br->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1152 br->ByteCount = bp->b_bcount;
1153 fib->Header.Size += sizeof(struct aac_blockread);
1154 cm->cm_sgtable = &br->SgMap;
1155 cm->cm_flags |= AAC_CMD_DATAIN;
1157 struct aac_blockwrite *bw;
1158 bw = (struct aac_blockwrite *)&fib->data[0];
1159 bw->Command = VM_CtBlockWrite;
1160 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1161 bw->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1162 bw->ByteCount = bp->b_bcount;
1163 bw->Stable = CUNSTABLE;
1164 fib->Header.Size += sizeof(struct aac_blockwrite);
1165 cm->cm_flags |= AAC_CMD_DATAOUT;
1166 cm->cm_sgtable = &bw->SgMap;
1169 fib->Header.Command = ContainerCommand64;
1170 if (bp->b_cmd == BUF_CMD_READ) {
1171 struct aac_blockread64 *br;
1172 br = (struct aac_blockread64 *)&fib->data[0];
1173 br->Command = VM_CtHostRead64;
1174 br->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1175 br->SectorCount = bp->b_bcount / AAC_BLOCK_SIZE;
1176 br->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1179 fib->Header.Size += sizeof(struct aac_blockread64);
1180 cm->cm_flags |= AAC_CMD_DATAOUT;
1181 cm->cm_sgtable = (struct aac_sg_table *)&br->SgMap64;
1183 struct aac_blockwrite64 *bw;
1184 bw = (struct aac_blockwrite64 *)&fib->data[0];
1185 bw->Command = VM_CtHostWrite64;
1186 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1187 bw->SectorCount = bp->b_bcount / AAC_BLOCK_SIZE;
1188 bw->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1191 fib->Header.Size += sizeof(struct aac_blockwrite64);
1192 cm->cm_flags |= AAC_CMD_DATAIN;
1193 cm->cm_sgtable = (struct aac_sg_table *)&bw->SgMap64;
1202 aac_enqueue_bio(sc, bio);
1204 aac_release_command(cm);
1209 * Handle a bio-instigated command that has been completed.
1212 aac_bio_complete(struct aac_command *cm)
1214 struct aac_blockread_response *brr;
1215 struct aac_blockwrite_response *bwr;
1219 AAC_FSAStatus status;
1221 /* fetch relevant status and then release the command */
1222 bio = (struct bio *)cm->cm_private;
1224 if (bp->b_cmd == BUF_CMD_READ) {
1225 brr = (struct aac_blockread_response *)&cm->cm_fib->data[0];
1226 status = brr->Status;
1228 bwr = (struct aac_blockwrite_response *)&cm->cm_fib->data[0];
1229 status = bwr->Status;
1231 aac_release_command(cm);
1233 /* fix up the bio based on status */
1234 if (status == ST_OK) {
1239 bp->b_flags |= B_ERROR;
1240 /* pass an error string out to the disk layer */
1241 code = aac_describe_code(aac_command_status_table, status);
1243 aac_biodone(bio, code);
1247 * Dump a block of data to the controller. If the queue is full, tell the
1248 * caller to hold off and wait for the queue to drain.
1251 aac_dump_enqueue(struct aac_disk *ad, u_int64_t lba, void *data, int dumppages)
1253 struct aac_softc *sc;
1254 struct aac_command *cm;
1255 struct aac_fib *fib;
1256 struct aac_blockwrite *bw;
1258 sc = ad->ad_controller;
1261 KKASSERT(lba <= 0x100000000ULL);
1263 if (aac_alloc_command(sc, &cm))
1266 /* fill out the command */
1268 cm->cm_datalen = dumppages * PAGE_SIZE;
1269 cm->cm_complete = NULL;
1270 cm->cm_private = NULL;
1271 cm->cm_timestamp = time_second;
1272 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1276 fib->Header.XferState =
1277 AAC_FIBSTATE_HOSTOWNED |
1278 AAC_FIBSTATE_INITIALISED |
1279 AAC_FIBSTATE_FROMHOST |
1280 AAC_FIBSTATE_REXPECTED |
1282 fib->Header.Command = ContainerCommand;
1283 fib->Header.Size = sizeof(struct aac_fib_header);
1285 bw = (struct aac_blockwrite *)&fib->data[0];
1286 bw->Command = VM_CtBlockWrite;
1287 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1288 bw->BlockNumber = lba;
1289 bw->ByteCount = dumppages * PAGE_SIZE;
1290 bw->Stable = CUNSTABLE; /* XXX what's appropriate here? */
1291 fib->Header.Size += sizeof(struct aac_blockwrite);
1292 cm->cm_flags |= AAC_CMD_DATAOUT;
1293 cm->cm_sgtable = &bw->SgMap;
1295 return (aac_map_command(cm));
1299 * Wait for the card's queue to drain when dumping. Also check for monitor
1303 aac_dump_complete(struct aac_softc *sc)
1305 struct aac_fib *fib;
1306 struct aac_command *cm;
1308 u_int32_t pi, ci, fib_size;
1311 reason = AAC_GET_ISTATUS(sc);
1312 if (reason & AAC_DB_RESPONSE_READY) {
1313 AAC_CLEAR_ISTATUS(sc, AAC_DB_RESPONSE_READY);
1315 if (aac_dequeue_fib(sc,
1316 AAC_HOST_NORM_RESP_QUEUE,
1319 cm = (struct aac_command *)
1320 fib->Header.SenderData;
1322 AAC_PRINT_FIB(sc, fib);
1324 aac_remove_busy(cm);
1325 aac_unmap_command(cm);
1326 aac_enqueue_complete(cm);
1327 aac_release_command(cm);
1331 if (reason & AAC_DB_PRINTF) {
1332 AAC_CLEAR_ISTATUS(sc, AAC_DB_PRINTF);
1333 aac_print_printf(sc);
1335 pi = sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][
1336 AAC_PRODUCER_INDEX];
1337 ci = sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][
1338 AAC_CONSUMER_INDEX];
1345 * Submit a command to the controller, return when it completes.
1346 * XXX This is very dangerous! If the card has gone out to lunch, we could
1347 * be stuck here forever. At the same time, signals are not caught
1348 * because there is a risk that a signal could wakeup the sleep before
1349 * the card has a chance to complete the command. Since there is no way
1350 * to cancel a command that is in progress, we can't protect against the
1351 * card completing a command late and spamming the command and data
1352 * memory. So, we are held hostage until the command completes.
1355 aac_wait_command(struct aac_command *cm)
1357 struct aac_softc *sc;
1364 /* Put the command on the ready queue and get things going */
1365 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1366 aac_enqueue_ready(cm);
1369 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
1371 tsleep_interlock(cm);
1372 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1373 error = tsleep(cm, 0, "aacwait", 0);
1374 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
1380 *Command Buffer Management
1384 * Allocate a command.
1387 aac_alloc_command(struct aac_softc *sc, struct aac_command **cmp)
1389 struct aac_command *cm;
1393 if ((cm = aac_dequeue_free(sc)) == NULL) {
1394 if (sc->total_fibs < sc->aac_max_fibs) {
1395 sc->aifflags |= AAC_AIFFLAGS_ALLOCFIBS;
1396 wakeup(sc->aifthread);
1406 * Release a command back to the freelist.
1409 aac_release_command(struct aac_command *cm)
1411 struct aac_event *event;
1412 struct aac_softc *sc;
1416 /* (re)initialise the command/FIB */
1417 cm->cm_sgtable = NULL;
1419 cm->cm_complete = NULL;
1420 cm->cm_private = NULL;
1421 cm->cm_fib->Header.XferState = AAC_FIBSTATE_EMPTY;
1422 cm->cm_fib->Header.StructType = AAC_FIBTYPE_TFIB;
1423 cm->cm_fib->Header.Flags = 0;
1424 cm->cm_fib->Header.SenderSize = cm->cm_sc->aac_max_fib_size;
1427 * These are duplicated in aac_start to cover the case where an
1428 * intermediate stage may have destroyed them. They're left
1429 * initialised here for debugging purposes only.
1431 cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys;
1432 cm->cm_fib->Header.SenderData = 0;
1434 aac_enqueue_free(cm);
1437 event = TAILQ_FIRST(&sc->aac_ev_cmfree);
1438 if (event != NULL) {
1439 TAILQ_REMOVE(&sc->aac_ev_cmfree, event, ev_links);
1440 event->ev_callback(sc, event, event->ev_arg);
1445 * Map helper for command/FIB allocation.
1448 aac_map_command_helper(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1452 fibphys = (uint64_t *)arg;
1456 *fibphys = segs[0].ds_addr;
1460 * Allocate and initialise commands/FIBs for this adapter.
1463 aac_alloc_commands(struct aac_softc *sc)
1465 struct aac_command *cm;
1466 struct aac_fibmap *fm;
1472 if (sc->total_fibs + sc->aac_max_fibs_alloc > sc->aac_max_fibs)
1475 fm = kmalloc(sizeof(struct aac_fibmap), M_AACBUF, M_INTWAIT | M_ZERO);
1477 /* allocate the FIBs in DMAable memory and load them */
1478 if (bus_dmamem_alloc(sc->aac_fib_dmat, (void **)&fm->aac_fibs,
1479 BUS_DMA_NOWAIT, &fm->aac_fibmap)) {
1480 device_printf(sc->aac_dev,
1481 "Not enough contiguous memory available.\n");
1482 kfree(fm, M_AACBUF);
1486 /* Ignore errors since this doesn't bounce */
1487 bus_dmamap_load(sc->aac_fib_dmat, fm->aac_fibmap, fm->aac_fibs,
1488 sc->aac_max_fibs_alloc * sc->aac_max_fib_size,
1489 aac_map_command_helper, &fibphys, 0);
1491 /* initialise constant fields in the command structure */
1492 bzero(fm->aac_fibs, sc->aac_max_fibs_alloc * sc->aac_max_fib_size);
1493 for (i = 0; i < sc->aac_max_fibs_alloc; i++) {
1494 cm = sc->aac_commands + sc->total_fibs;
1495 fm->aac_commands = cm;
1497 cm->cm_fib = (struct aac_fib *)
1498 ((u_int8_t *)fm->aac_fibs + i*sc->aac_max_fib_size);
1499 cm->cm_fibphys = fibphys + i*sc->aac_max_fib_size;
1500 cm->cm_index = sc->total_fibs;
1502 if ((error = bus_dmamap_create(sc->aac_buffer_dmat, 0,
1503 &cm->cm_datamap)) != 0)
1505 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
1506 aac_release_command(cm);
1508 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1512 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
1513 TAILQ_INSERT_TAIL(&sc->aac_fibmap_tqh, fm, fm_link);
1514 debug(1, "total_fibs= %d\n", sc->total_fibs);
1515 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1519 bus_dmamap_unload(sc->aac_fib_dmat, fm->aac_fibmap);
1520 bus_dmamem_free(sc->aac_fib_dmat, fm->aac_fibs, fm->aac_fibmap);
1521 kfree(fm, M_AACBUF);
1526 * Free FIBs owned by this adapter.
1529 aac_free_commands(struct aac_softc *sc)
1531 struct aac_fibmap *fm;
1532 struct aac_command *cm;
1537 while ((fm = TAILQ_FIRST(&sc->aac_fibmap_tqh)) != NULL) {
1539 TAILQ_REMOVE(&sc->aac_fibmap_tqh, fm, fm_link);
1541 * We check against total_fibs to handle partially
1544 for (i = 0; i < sc->aac_max_fibs_alloc && sc->total_fibs--; i++) {
1545 cm = fm->aac_commands + i;
1546 bus_dmamap_destroy(sc->aac_buffer_dmat, cm->cm_datamap);
1548 bus_dmamap_unload(sc->aac_fib_dmat, fm->aac_fibmap);
1549 bus_dmamem_free(sc->aac_fib_dmat, fm->aac_fibs, fm->aac_fibmap);
1550 kfree(fm, M_AACBUF);
1555 * Command-mapping helper function - populate this command's s/g table.
1558 aac_map_command_sg(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1560 struct aac_softc *sc;
1561 struct aac_command *cm;
1562 struct aac_fib *fib;
1567 cm = (struct aac_command *)arg;
1571 /* copy into the FIB */
1572 if (cm->cm_sgtable != NULL) {
1573 if (fib->Header.Command == RawIo) {
1574 struct aac_sg_tableraw *sg;
1575 sg = (struct aac_sg_tableraw *)cm->cm_sgtable;
1577 for (i = 0; i < nseg; i++) {
1578 sg->SgEntryRaw[i].SgAddress = segs[i].ds_addr;
1579 sg->SgEntryRaw[i].SgByteCount = segs[i].ds_len;
1580 sg->SgEntryRaw[i].Next = 0;
1581 sg->SgEntryRaw[i].Prev = 0;
1582 sg->SgEntryRaw[i].Flags = 0;
1584 /* update the FIB size for the s/g count */
1585 fib->Header.Size += nseg*sizeof(struct aac_sg_entryraw);
1586 } else if ((cm->cm_sc->flags & AAC_FLAGS_SG_64BIT) == 0) {
1587 struct aac_sg_table *sg;
1588 sg = cm->cm_sgtable;
1590 for (i = 0; i < nseg; i++) {
1591 sg->SgEntry[i].SgAddress = segs[i].ds_addr;
1592 sg->SgEntry[i].SgByteCount = segs[i].ds_len;
1594 /* update the FIB size for the s/g count */
1595 fib->Header.Size += nseg*sizeof(struct aac_sg_entry);
1597 struct aac_sg_table64 *sg;
1598 sg = (struct aac_sg_table64 *)cm->cm_sgtable;
1600 for (i = 0; i < nseg; i++) {
1601 sg->SgEntry64[i].SgAddress = segs[i].ds_addr;
1602 sg->SgEntry64[i].SgByteCount = segs[i].ds_len;
1604 /* update the FIB size for the s/g count */
1605 fib->Header.Size += nseg*sizeof(struct aac_sg_entry64);
1609 /* Fix up the address values in the FIB. Use the command array index
1610 * instead of a pointer since these fields are only 32 bits. Shift
1611 * the SenderFibAddress over to make room for the fast response bit
1612 * and for the AIF bit
1614 cm->cm_fib->Header.SenderFibAddress = (cm->cm_index << 2);
1615 cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys;
1617 /* save a pointer to the command for speedy reverse-lookup */
1618 cm->cm_fib->Header.SenderData = cm->cm_index;
1620 if (cm->cm_flags & AAC_CMD_DATAIN)
1621 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1622 BUS_DMASYNC_PREREAD);
1623 if (cm->cm_flags & AAC_CMD_DATAOUT)
1624 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1625 BUS_DMASYNC_PREWRITE);
1626 cm->cm_flags |= AAC_CMD_MAPPED;
1628 if (sc->flags & AAC_FLAGS_NEW_COMM) {
1629 int count = 10000000L;
1630 while (AAC_SEND_COMMAND(sc, cm) != 0) {
1632 aac_unmap_command(cm);
1633 sc->flags |= AAC_QUEUE_FRZN;
1634 aac_requeue_ready(cm);
1636 DELAY(5); /* wait 5 usec. */
1639 /* Put the FIB on the outbound queue */
1640 if (aac_enqueue_fib(sc, cm->cm_queue, cm) == EBUSY) {
1641 aac_unmap_command(cm);
1642 sc->flags |= AAC_QUEUE_FRZN;
1643 aac_requeue_ready(cm);
1649 * Unmap a command from controller-visible space.
1652 aac_unmap_command(struct aac_command *cm)
1654 struct aac_softc *sc;
1660 if (!(cm->cm_flags & AAC_CMD_MAPPED))
1663 if (cm->cm_datalen != 0) {
1664 if (cm->cm_flags & AAC_CMD_DATAIN)
1665 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1666 BUS_DMASYNC_POSTREAD);
1667 if (cm->cm_flags & AAC_CMD_DATAOUT)
1668 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1669 BUS_DMASYNC_POSTWRITE);
1671 bus_dmamap_unload(sc->aac_buffer_dmat, cm->cm_datamap);
1673 cm->cm_flags &= ~AAC_CMD_MAPPED;
1677 * Hardware Interface
1681 * Initialise the adapter.
1684 aac_common_map(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1686 struct aac_softc *sc;
1690 sc = (struct aac_softc *)arg;
1692 sc->aac_common_busaddr = segs[0].ds_addr;
1696 aac_check_firmware(struct aac_softc *sc)
1698 u_int32_t major, minor, options = 0, atu_size = 0;
1704 * Retrieve the firmware version numbers. Dell PERC2/QC cards with
1705 * firmware version 1.x are not compatible with this driver.
1707 if (sc->flags & AAC_FLAGS_PERC2QC) {
1708 if (aac_sync_command(sc, AAC_MONKER_GETKERNVER, 0, 0, 0, 0,
1710 device_printf(sc->aac_dev,
1711 "Error reading firmware version\n");
1715 /* These numbers are stored as ASCII! */
1716 major = (AAC_GET_MAILBOX(sc, 1) & 0xff) - 0x30;
1717 minor = (AAC_GET_MAILBOX(sc, 2) & 0xff) - 0x30;
1719 device_printf(sc->aac_dev,
1720 "Firmware version %d.%d is not supported.\n",
1727 * Retrieve the capabilities/supported options word so we know what
1728 * work-arounds to enable. Some firmware revs don't support this
1731 if (aac_sync_command(sc, AAC_MONKER_GETINFO, 0, 0, 0, 0, &status)) {
1732 if (status != AAC_SRB_STS_INVALID_REQUEST) {
1733 device_printf(sc->aac_dev,
1734 "RequestAdapterInfo failed\n");
1738 options = AAC_GET_MAILBOX(sc, 1);
1739 atu_size = AAC_GET_MAILBOX(sc, 2);
1740 sc->supported_options = options;
1742 if ((options & AAC_SUPPORTED_4GB_WINDOW) != 0 &&
1743 (sc->flags & AAC_FLAGS_NO4GB) == 0)
1744 sc->flags |= AAC_FLAGS_4GB_WINDOW;
1745 if (options & AAC_SUPPORTED_NONDASD)
1746 sc->flags |= AAC_FLAGS_ENABLE_CAM;
1747 if ((options & AAC_SUPPORTED_SGMAP_HOST64) != 0
1748 && (sizeof(bus_addr_t) > 4)) {
1749 device_printf(sc->aac_dev,
1750 "Enabling 64-bit address support\n");
1751 sc->flags |= AAC_FLAGS_SG_64BIT;
1753 if ((options & AAC_SUPPORTED_NEW_COMM)
1754 && sc->aac_if.aif_send_command)
1755 sc->flags |= AAC_FLAGS_NEW_COMM;
1756 if (options & AAC_SUPPORTED_64BIT_ARRAYSIZE)
1757 sc->flags |= AAC_FLAGS_ARRAY_64BIT;
1760 /* Check for broken hardware that does a lower number of commands */
1761 sc->aac_max_fibs = (sc->flags & AAC_FLAGS_256FIBS ? 256:512);
1763 /* Remap mem. resource, if required */
1764 if ((sc->flags & AAC_FLAGS_NEW_COMM) &&
1765 atu_size > rman_get_size(sc->aac_regs_resource)) {
1766 bus_release_resource(
1767 sc->aac_dev, SYS_RES_MEMORY,
1768 sc->aac_regs_rid, sc->aac_regs_resource);
1769 sc->aac_regs_resource = bus_alloc_resource(
1770 sc->aac_dev, SYS_RES_MEMORY, &sc->aac_regs_rid,
1771 0ul, ~0ul, atu_size, RF_ACTIVE);
1772 if (sc->aac_regs_resource == NULL) {
1773 sc->aac_regs_resource = bus_alloc_resource_any(
1774 sc->aac_dev, SYS_RES_MEMORY,
1775 &sc->aac_regs_rid, RF_ACTIVE);
1776 if (sc->aac_regs_resource == NULL) {
1777 device_printf(sc->aac_dev,
1778 "couldn't allocate register window\n");
1781 sc->flags &= ~AAC_FLAGS_NEW_COMM;
1783 sc->aac_btag = rman_get_bustag(sc->aac_regs_resource);
1784 sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource);
1787 /* Read preferred settings */
1788 sc->aac_max_fib_size = sizeof(struct aac_fib);
1789 sc->aac_max_sectors = 128; /* 64KB */
1790 if (sc->flags & AAC_FLAGS_SG_64BIT)
1791 sc->aac_sg_tablesize = (AAC_FIB_DATASIZE
1792 - sizeof(struct aac_blockwrite64)
1793 + sizeof(struct aac_sg_table64))
1794 / sizeof(struct aac_sg_table64);
1796 sc->aac_sg_tablesize = (AAC_FIB_DATASIZE
1797 - sizeof(struct aac_blockwrite)
1798 + sizeof(struct aac_sg_table))
1799 / sizeof(struct aac_sg_table);
1801 if (!aac_sync_command(sc, AAC_MONKER_GETCOMMPREF, 0, 0, 0, 0, NULL)) {
1802 options = AAC_GET_MAILBOX(sc, 1);
1803 sc->aac_max_fib_size = (options & 0xFFFF);
1804 sc->aac_max_sectors = (options >> 16) << 1;
1805 options = AAC_GET_MAILBOX(sc, 2);
1806 sc->aac_sg_tablesize = (options >> 16);
1807 options = AAC_GET_MAILBOX(sc, 3);
1808 sc->aac_max_fibs = (options & 0xFFFF);
1810 if (sc->aac_max_fib_size > PAGE_SIZE)
1811 sc->aac_max_fib_size = PAGE_SIZE;
1812 sc->aac_max_fibs_alloc = PAGE_SIZE / sc->aac_max_fib_size;
1818 aac_init(struct aac_softc *sc)
1820 struct aac_adapter_init *ip;
1822 u_int32_t code, qoffset;
1828 * First wait for the adapter to come ready.
1832 code = AAC_GET_FWSTATUS(sc);
1833 if (code & AAC_SELF_TEST_FAILED) {
1834 device_printf(sc->aac_dev, "FATAL: selftest failed\n");
1837 if (code & AAC_KERNEL_PANIC) {
1838 device_printf(sc->aac_dev,
1839 "FATAL: controller kernel panic\n");
1842 if (time_second > (then + AAC_BOOT_TIMEOUT)) {
1843 device_printf(sc->aac_dev,
1844 "FATAL: controller not coming ready, "
1845 "status %x\n", code);
1848 } while (!(code & AAC_UP_AND_RUNNING));
1852 * Create DMA tag for mapping buffers into controller-addressable space.
1854 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1855 1, 0, /* algnmnt, boundary */
1856 (sc->flags & AAC_FLAGS_SG_64BIT) ?
1858 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
1859 BUS_SPACE_MAXADDR, /* highaddr */
1860 NULL, NULL, /* filter, filterarg */
1861 MAXBSIZE, /* maxsize */
1862 sc->aac_sg_tablesize, /* nsegments */
1863 MAXBSIZE, /* maxsegsize */
1864 BUS_DMA_ALLOCNOW, /* flags */
1865 &sc->aac_buffer_dmat)) {
1866 device_printf(sc->aac_dev, "can't allocate buffer DMA tag\n");
1871 * Create DMA tag for mapping FIBs into controller-addressable space..
1873 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1874 1, 0, /* algnmnt, boundary */
1875 (sc->flags & AAC_FLAGS_4GB_WINDOW) ?
1876 BUS_SPACE_MAXADDR_32BIT :
1877 0x7fffffff, /* lowaddr */
1878 BUS_SPACE_MAXADDR, /* highaddr */
1879 NULL, NULL, /* filter, filterarg */
1880 sc->aac_max_fibs_alloc *
1881 sc->aac_max_fib_size, /* maxsize */
1883 sc->aac_max_fibs_alloc *
1884 sc->aac_max_fib_size, /* maxsegsize */
1886 &sc->aac_fib_dmat)) {
1887 device_printf(sc->aac_dev, "can't allocate FIB DMA tag\n");
1892 * Create DMA tag for the common structure and allocate it.
1894 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1895 1, 0, /* algnmnt, boundary */
1896 (sc->flags & AAC_FLAGS_4GB_WINDOW) ?
1897 BUS_SPACE_MAXADDR_32BIT :
1898 0x7fffffff, /* lowaddr */
1899 BUS_SPACE_MAXADDR, /* highaddr */
1900 NULL, NULL, /* filter, filterarg */
1901 8192 + sizeof(struct aac_common), /* maxsize */
1903 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
1905 &sc->aac_common_dmat)) {
1906 device_printf(sc->aac_dev,
1907 "can't allocate common structure DMA tag\n");
1910 if (bus_dmamem_alloc(sc->aac_common_dmat, (void **)&sc->aac_common,
1911 BUS_DMA_NOWAIT, &sc->aac_common_dmamap)) {
1912 device_printf(sc->aac_dev, "can't allocate common structure\n");
1916 * Work around a bug in the 2120 and 2200 that cannot DMA commands
1917 * below address 8192 in physical memory.
1918 * XXX If the padding is not needed, can it be put to use instead
1921 bus_dmamap_load(sc->aac_common_dmat, sc->aac_common_dmamap,
1922 sc->aac_common, 8192 + sizeof(*sc->aac_common),
1923 aac_common_map, sc, 0);
1925 if (sc->aac_common_busaddr < 8192) {
1927 (struct aac_common *)((uint8_t *)sc->aac_common + 8192);
1928 sc->aac_common_busaddr += 8192;
1930 bzero(sc->aac_common, sizeof(*sc->aac_common));
1932 /* Allocate some FIBs and associated command structs */
1933 TAILQ_INIT(&sc->aac_fibmap_tqh);
1934 sc->aac_commands = kmalloc(sc->aac_max_fibs * sizeof(struct aac_command),
1935 M_AACBUF, M_INTWAIT | M_ZERO);
1936 while (sc->total_fibs < AAC_PREALLOCATE_FIBS) {
1937 if (aac_alloc_commands(sc) != 0)
1940 if (sc->total_fibs == 0)
1944 * Fill in the init structure. This tells the adapter about the
1945 * physical location of various important shared data structures.
1947 ip = &sc->aac_common->ac_init;
1948 ip->InitStructRevision = AAC_INIT_STRUCT_REVISION;
1949 if (sc->aac_max_fib_size > sizeof(struct aac_fib)) {
1950 ip->InitStructRevision = AAC_INIT_STRUCT_REVISION_4;
1951 sc->flags |= AAC_FLAGS_RAW_IO;
1953 ip->MiniPortRevision = AAC_INIT_STRUCT_MINIPORT_REVISION;
1955 ip->AdapterFibsPhysicalAddress = sc->aac_common_busaddr +
1956 offsetof(struct aac_common, ac_fibs);
1957 ip->AdapterFibsVirtualAddress = 0;
1958 ip->AdapterFibsSize = AAC_ADAPTER_FIBS * sizeof(struct aac_fib);
1959 ip->AdapterFibAlign = sizeof(struct aac_fib);
1961 ip->PrintfBufferAddress = sc->aac_common_busaddr +
1962 offsetof(struct aac_common, ac_printf);
1963 ip->PrintfBufferSize = AAC_PRINTF_BUFSIZE;
1966 * The adapter assumes that pages are 4K in size, except on some
1967 * broken firmware versions that do the page->byte conversion twice,
1968 * therefore 'assuming' that this value is in 16MB units (2^24).
1969 * Round up since the granularity is so high.
1971 /* XXX why should the adapter care? */
1972 ip->HostPhysMemPages = ctob((int)Maxmem) / AAC_PAGE_SIZE;
1973 if (sc->flags & AAC_FLAGS_BROKEN_MEMMAP) {
1974 ip->HostPhysMemPages =
1975 (ip->HostPhysMemPages + AAC_PAGE_SIZE) / AAC_PAGE_SIZE;
1977 ip->HostElapsedSeconds = time_second; /* reset later if invalid */
1980 if (sc->flags & AAC_FLAGS_NEW_COMM) {
1981 ip->InitFlags = INITFLAGS_NEW_COMM_SUPPORTED;
1982 device_printf(sc->aac_dev, "New comm. interface enabled\n");
1985 ip->MaxIoCommands = sc->aac_max_fibs;
1986 ip->MaxIoSize = sc->aac_max_sectors << 9;
1987 ip->MaxFibSize = sc->aac_max_fib_size;
1990 * Initialise FIB queues. Note that it appears that the layout of the
1991 * indexes and the segmentation of the entries may be mandated by the
1992 * adapter, which is only told about the base of the queue index fields.
1994 * The initial values of the indices are assumed to inform the adapter
1995 * of the sizes of the respective queues, and theoretically it could
1996 * work out the entire layout of the queue structures from this. We
1997 * take the easy route and just lay this area out like everyone else
2000 * The Linux driver uses a much more complex scheme whereby several
2001 * header records are kept for each queue. We use a couple of generic
2002 * list manipulation functions which 'know' the size of each list by
2003 * virtue of a table.
2005 qoffset = offsetof(struct aac_common, ac_qbuf) + AAC_QUEUE_ALIGN;
2006 qoffset &= ~(AAC_QUEUE_ALIGN - 1);
2008 (struct aac_queue_table *)((uintptr_t)sc->aac_common + qoffset);
2009 ip->CommHeaderAddress = sc->aac_common_busaddr + qoffset;
2011 sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
2012 AAC_HOST_NORM_CMD_ENTRIES;
2013 sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
2014 AAC_HOST_NORM_CMD_ENTRIES;
2015 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
2016 AAC_HOST_HIGH_CMD_ENTRIES;
2017 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
2018 AAC_HOST_HIGH_CMD_ENTRIES;
2019 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
2020 AAC_ADAP_NORM_CMD_ENTRIES;
2021 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
2022 AAC_ADAP_NORM_CMD_ENTRIES;
2023 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
2024 AAC_ADAP_HIGH_CMD_ENTRIES;
2025 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
2026 AAC_ADAP_HIGH_CMD_ENTRIES;
2027 sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]=
2028 AAC_HOST_NORM_RESP_ENTRIES;
2029 sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]=
2030 AAC_HOST_NORM_RESP_ENTRIES;
2031 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]=
2032 AAC_HOST_HIGH_RESP_ENTRIES;
2033 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]=
2034 AAC_HOST_HIGH_RESP_ENTRIES;
2035 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]=
2036 AAC_ADAP_NORM_RESP_ENTRIES;
2037 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]=
2038 AAC_ADAP_NORM_RESP_ENTRIES;
2039 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]=
2040 AAC_ADAP_HIGH_RESP_ENTRIES;
2041 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]=
2042 AAC_ADAP_HIGH_RESP_ENTRIES;
2043 sc->aac_qentries[AAC_HOST_NORM_CMD_QUEUE] =
2044 &sc->aac_queues->qt_HostNormCmdQueue[0];
2045 sc->aac_qentries[AAC_HOST_HIGH_CMD_QUEUE] =
2046 &sc->aac_queues->qt_HostHighCmdQueue[0];
2047 sc->aac_qentries[AAC_ADAP_NORM_CMD_QUEUE] =
2048 &sc->aac_queues->qt_AdapNormCmdQueue[0];
2049 sc->aac_qentries[AAC_ADAP_HIGH_CMD_QUEUE] =
2050 &sc->aac_queues->qt_AdapHighCmdQueue[0];
2051 sc->aac_qentries[AAC_HOST_NORM_RESP_QUEUE] =
2052 &sc->aac_queues->qt_HostNormRespQueue[0];
2053 sc->aac_qentries[AAC_HOST_HIGH_RESP_QUEUE] =
2054 &sc->aac_queues->qt_HostHighRespQueue[0];
2055 sc->aac_qentries[AAC_ADAP_NORM_RESP_QUEUE] =
2056 &sc->aac_queues->qt_AdapNormRespQueue[0];
2057 sc->aac_qentries[AAC_ADAP_HIGH_RESP_QUEUE] =
2058 &sc->aac_queues->qt_AdapHighRespQueue[0];
2061 * Do controller-type-specific initialisation
2063 switch (sc->aac_hwif) {
2064 case AAC_HWIF_I960RX:
2065 AAC_SETREG4(sc, AAC_RX_ODBR, ~0);
2068 AAC_SETREG4(sc, AAC_RKT_ODBR, ~0);
2075 * Give the init structure to the controller.
2077 if (aac_sync_command(sc, AAC_MONKER_INITSTRUCT,
2078 sc->aac_common_busaddr +
2079 offsetof(struct aac_common, ac_init), 0, 0, 0,
2081 device_printf(sc->aac_dev,
2082 "error establishing init structure\n");
2093 * Send a synchronous command to the controller and wait for a result.
2094 * Indicate if the controller completed the command with an error status.
2097 aac_sync_command(struct aac_softc *sc, u_int32_t command,
2098 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3,
2106 /* populate the mailbox */
2107 AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3);
2109 /* ensure the sync command doorbell flag is cleared */
2110 AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
2112 /* then set it to signal the adapter */
2113 AAC_QNOTIFY(sc, AAC_DB_SYNC_COMMAND);
2115 /* spin waiting for the command to complete */
2118 if (time_second > (then + AAC_IMMEDIATE_TIMEOUT)) {
2119 debug(1, "timed out");
2122 } while (!(AAC_GET_ISTATUS(sc) & AAC_DB_SYNC_COMMAND));
2124 /* clear the completion flag */
2125 AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
2127 /* get the command status */
2128 status = AAC_GET_MAILBOX(sc, 0);
2132 if (status != AAC_SRB_STS_SUCCESS)
2138 aac_sync_fib(struct aac_softc *sc, u_int32_t command, u_int32_t xferstate,
2139 struct aac_fib *fib, u_int16_t datasize)
2142 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
2144 if (datasize > AAC_FIB_DATASIZE)
2148 * Set up the sync FIB
2150 fib->Header.XferState = AAC_FIBSTATE_HOSTOWNED |
2151 AAC_FIBSTATE_INITIALISED |
2153 fib->Header.XferState |= xferstate;
2154 fib->Header.Command = command;
2155 fib->Header.StructType = AAC_FIBTYPE_TFIB;
2156 fib->Header.Size = sizeof(struct aac_fib) + datasize;
2157 fib->Header.SenderSize = sizeof(struct aac_fib);
2158 fib->Header.SenderFibAddress = 0; /* Not needed */
2159 fib->Header.ReceiverFibAddress = sc->aac_common_busaddr +
2160 offsetof(struct aac_common,
2164 * Give the FIB to the controller, wait for a response.
2166 if (aac_sync_command(sc, AAC_MONKER_SYNCFIB,
2167 fib->Header.ReceiverFibAddress, 0, 0, 0, NULL)) {
2168 debug(2, "IO error");
2176 * Adapter-space FIB queue manipulation
2178 * Note that the queue implementation here is a little funky; neither the PI or
2179 * CI will ever be zero. This behaviour is a controller feature.
2185 {AAC_HOST_NORM_CMD_ENTRIES, AAC_DB_COMMAND_NOT_FULL},
2186 {AAC_HOST_HIGH_CMD_ENTRIES, 0},
2187 {AAC_ADAP_NORM_CMD_ENTRIES, AAC_DB_COMMAND_READY},
2188 {AAC_ADAP_HIGH_CMD_ENTRIES, 0},
2189 {AAC_HOST_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_NOT_FULL},
2190 {AAC_HOST_HIGH_RESP_ENTRIES, 0},
2191 {AAC_ADAP_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_READY},
2192 {AAC_ADAP_HIGH_RESP_ENTRIES, 0}
2196 * Atomically insert an entry into the nominated queue, returns 0 on success or
2197 * EBUSY if the queue is full.
2199 * Note: it would be more efficient to defer notifying the controller in
2200 * the case where we may be inserting several entries in rapid succession,
2201 * but implementing this usefully may be difficult (it would involve a
2202 * separate queue/notify interface).
2205 aac_enqueue_fib(struct aac_softc *sc, int queue, struct aac_command *cm)
2214 fib_size = cm->cm_fib->Header.Size;
2215 fib_addr = cm->cm_fib->Header.ReceiverFibAddress;
2217 /* get the producer/consumer indices */
2218 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
2219 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
2221 /* wrap the queue? */
2222 if (pi >= aac_qinfo[queue].size)
2225 /* check for queue full */
2226 if ((pi + 1) == ci) {
2231 * To avoid a race with its completion interrupt, place this command on
2232 * the busy queue prior to advertising it to the controller.
2234 aac_enqueue_busy(cm);
2238 /* populate queue entry */
2239 (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size;
2240 (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr;
2242 /* update producer index */
2243 sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1;
2245 /* notify the adapter if we know how */
2246 if (aac_qinfo[queue].notify != 0)
2247 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
2256 * Atomically remove one entry from the nominated queue, returns 0 on
2257 * success or ENOENT if the queue is empty.
2260 aac_dequeue_fib(struct aac_softc *sc, int queue, u_int32_t *fib_size,
2261 struct aac_fib **fib_addr)
2264 u_int32_t fib_index;
2270 /* get the producer/consumer indices */
2271 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
2272 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
2274 /* check for queue empty */
2280 /* wrap the pi so the following test works */
2281 if (pi >= aac_qinfo[queue].size)
2288 /* wrap the queue? */
2289 if (ci >= aac_qinfo[queue].size)
2292 /* fetch the entry */
2293 *fib_size = (sc->aac_qentries[queue] + ci)->aq_fib_size;
2296 case AAC_HOST_NORM_CMD_QUEUE:
2297 case AAC_HOST_HIGH_CMD_QUEUE:
2299 * The aq_fib_addr is only 32 bits wide so it can't be counted
2300 * on to hold an address. For AIF's, the adapter assumes
2301 * that it's giving us an address into the array of AIF fibs.
2302 * Therefore, we have to convert it to an index.
2304 fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr /
2305 sizeof(struct aac_fib);
2306 *fib_addr = &sc->aac_common->ac_fibs[fib_index];
2309 case AAC_HOST_NORM_RESP_QUEUE:
2310 case AAC_HOST_HIGH_RESP_QUEUE:
2312 struct aac_command *cm;
2315 * As above, an index is used instead of an actual address.
2316 * Gotta shift the index to account for the fast response
2317 * bit. No other correction is needed since this value was
2318 * originally provided by the driver via the SenderFibAddress
2321 fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr;
2322 cm = sc->aac_commands + (fib_index >> 2);
2323 *fib_addr = cm->cm_fib;
2326 * Is this a fast response? If it is, update the fib fields in
2327 * local memory since the whole fib isn't DMA'd back up.
2329 if (fib_index & 0x01) {
2330 (*fib_addr)->Header.XferState |= AAC_FIBSTATE_DONEADAP;
2331 *((u_int32_t*)((*fib_addr)->data)) = AAC_ERROR_NORMAL;
2336 panic("Invalid queue in aac_dequeue_fib()");
2340 /* update consumer index */
2341 sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX] = ci + 1;
2343 /* if we have made the queue un-full, notify the adapter */
2344 if (notify && (aac_qinfo[queue].notify != 0))
2345 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
2353 * Put our response to an Adapter Initialed Fib on the response queue
2356 aac_enqueue_response(struct aac_softc *sc, int queue, struct aac_fib *fib)
2365 /* Tell the adapter where the FIB is */
2366 fib_size = fib->Header.Size;
2367 fib_addr = fib->Header.SenderFibAddress;
2368 fib->Header.ReceiverFibAddress = fib_addr;
2370 /* get the producer/consumer indices */
2371 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
2372 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
2374 /* wrap the queue? */
2375 if (pi >= aac_qinfo[queue].size)
2378 /* check for queue full */
2379 if ((pi + 1) == ci) {
2384 /* populate queue entry */
2385 (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size;
2386 (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr;
2388 /* update producer index */
2389 sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1;
2391 /* notify the adapter if we know how */
2392 if (aac_qinfo[queue].notify != 0)
2393 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
2402 * Check for commands that have been outstanding for a suspiciously long time,
2403 * and complain about them.
2406 aac_timeout(void *xsc)
2408 struct aac_softc *sc = xsc;
2409 struct aac_command *cm;
2413 * Traverse the busy command list, bitch about late commands once
2417 deadline = time_second - AAC_CMD_TIMEOUT;
2418 TAILQ_FOREACH(cm, &sc->aac_busy, cm_link) {
2419 if ((cm->cm_timestamp < deadline)
2420 /* && !(cm->cm_flags & AAC_CMD_TIMEDOUT) */) {
2421 cm->cm_flags |= AAC_CMD_TIMEDOUT;
2422 device_printf(sc->aac_dev,
2423 "COMMAND %p TIMEOUT AFTER %d SECONDS\n",
2424 cm, (int)(time_second-cm->cm_timestamp));
2425 AAC_PRINT_FIB(sc, cm->cm_fib);
2430 code = AAC_GET_FWSTATUS(sc);
2431 if (code != AAC_UP_AND_RUNNING) {
2432 device_printf(sc->aac_dev, "WARNING! Controller is no "
2433 "longer running! code= 0x%x\n", code);
2440 * Interface Function Vectors
2444 * Read the current firmware status word.
2447 aac_sa_get_fwstatus(struct aac_softc *sc)
2451 return(AAC_GETREG4(sc, AAC_SA_FWSTATUS));
2455 aac_rx_get_fwstatus(struct aac_softc *sc)
2459 return(AAC_GETREG4(sc, AAC_RX_FWSTATUS));
2463 aac_fa_get_fwstatus(struct aac_softc *sc)
2469 val = AAC_GETREG4(sc, AAC_FA_FWSTATUS);
2474 aac_rkt_get_fwstatus(struct aac_softc *sc)
2478 return(AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
2482 * Notify the controller of a change in a given queue
2486 aac_sa_qnotify(struct aac_softc *sc, int qbit)
2490 AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
2494 aac_rx_qnotify(struct aac_softc *sc, int qbit)
2498 AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
2502 aac_fa_qnotify(struct aac_softc *sc, int qbit)
2506 AAC_SETREG2(sc, AAC_FA_DOORBELL1, qbit);
2511 aac_rkt_qnotify(struct aac_softc *sc, int qbit)
2515 AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
2519 * Get the interrupt reason bits
2522 aac_sa_get_istatus(struct aac_softc *sc)
2526 return(AAC_GETREG2(sc, AAC_SA_DOORBELL0));
2530 aac_rx_get_istatus(struct aac_softc *sc)
2534 return(AAC_GETREG4(sc, AAC_RX_ODBR));
2538 aac_fa_get_istatus(struct aac_softc *sc)
2544 val = AAC_GETREG2(sc, AAC_FA_DOORBELL0);
2549 aac_rkt_get_istatus(struct aac_softc *sc)
2553 return(AAC_GETREG4(sc, AAC_RKT_ODBR));
2557 * Clear some interrupt reason bits
2560 aac_sa_clear_istatus(struct aac_softc *sc, int mask)
2564 AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
2568 aac_rx_clear_istatus(struct aac_softc *sc, int mask)
2572 AAC_SETREG4(sc, AAC_RX_ODBR, mask);
2576 aac_fa_clear_istatus(struct aac_softc *sc, int mask)
2580 AAC_SETREG2(sc, AAC_FA_DOORBELL0_CLEAR, mask);
2585 aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
2589 AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
2593 * Populate the mailbox and set the command word
2596 aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
2597 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2601 AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
2602 AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
2603 AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
2604 AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
2605 AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
2609 aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
2610 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2614 AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
2615 AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
2616 AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
2617 AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
2618 AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
2622 aac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command,
2623 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2627 AAC_SETREG4(sc, AAC_FA_MAILBOX, command);
2629 AAC_SETREG4(sc, AAC_FA_MAILBOX + 4, arg0);
2631 AAC_SETREG4(sc, AAC_FA_MAILBOX + 8, arg1);
2633 AAC_SETREG4(sc, AAC_FA_MAILBOX + 12, arg2);
2635 AAC_SETREG4(sc, AAC_FA_MAILBOX + 16, arg3);
2640 aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0,
2641 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2645 AAC_SETREG4(sc, AAC_RKT_MAILBOX, command);
2646 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
2647 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
2648 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
2649 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
2653 * Fetch the immediate command status word
2656 aac_sa_get_mailbox(struct aac_softc *sc, int mb)
2660 return(AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
2664 aac_rx_get_mailbox(struct aac_softc *sc, int mb)
2668 return(AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
2672 aac_fa_get_mailbox(struct aac_softc *sc, int mb)
2678 val = AAC_GETREG4(sc, AAC_FA_MAILBOX + (mb * 4));
2683 aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
2687 return(AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
2691 * Set/clear interrupt masks
2694 aac_sa_set_interrupts(struct aac_softc *sc, int enable)
2696 debug(2, "%sable interrupts", enable ? "en" : "dis");
2699 AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
2701 AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
2706 aac_rx_set_interrupts(struct aac_softc *sc, int enable)
2708 debug(2, "%sable interrupts", enable ? "en" : "dis");
2711 if (sc->flags & AAC_FLAGS_NEW_COMM)
2712 AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INT_NEW_COMM);
2714 AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
2716 AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
2721 aac_fa_set_interrupts(struct aac_softc *sc, int enable)
2723 debug(2, "%sable interrupts", enable ? "en" : "dis");
2726 AAC_SETREG2((sc), AAC_FA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
2729 AAC_SETREG2((sc), AAC_FA_MASK0, ~0);
2735 aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
2737 debug(2, "%sable interrupts", enable ? "en" : "dis");
2740 if (sc->flags & AAC_FLAGS_NEW_COMM)
2741 AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
2743 AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
2745 AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
2750 * New comm. interface: Send command functions
2753 aac_rx_send_command(struct aac_softc *sc, struct aac_command *cm)
2755 u_int32_t index, device;
2757 debug(2, "send command (new comm.)");
2759 index = AAC_GETREG4(sc, AAC_RX_IQUE);
2760 if (index == 0xffffffffL)
2761 index = AAC_GETREG4(sc, AAC_RX_IQUE);
2762 if (index == 0xffffffffL)
2764 aac_enqueue_busy(cm);
2766 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys & 0xffffffffUL));
2768 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys >> 32));
2770 AAC_SETREG4(sc, device, cm->cm_fib->Header.Size);
2771 AAC_SETREG4(sc, AAC_RX_IQUE, index);
2776 aac_rkt_send_command(struct aac_softc *sc, struct aac_command *cm)
2778 u_int32_t index, device;
2780 debug(2, "send command (new comm.)");
2782 index = AAC_GETREG4(sc, AAC_RKT_IQUE);
2783 if (index == 0xffffffffL)
2784 index = AAC_GETREG4(sc, AAC_RKT_IQUE);
2785 if (index == 0xffffffffL)
2787 aac_enqueue_busy(cm);
2789 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys & 0xffffffffUL));
2791 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys >> 32));
2793 AAC_SETREG4(sc, device, cm->cm_fib->Header.Size);
2794 AAC_SETREG4(sc, AAC_RKT_IQUE, index);
2799 * New comm. interface: get, set outbound queue index
2802 aac_rx_get_outb_queue(struct aac_softc *sc)
2806 return(AAC_GETREG4(sc, AAC_RX_OQUE));
2810 aac_rkt_get_outb_queue(struct aac_softc *sc)
2814 return(AAC_GETREG4(sc, AAC_RKT_OQUE));
2818 aac_rx_set_outb_queue(struct aac_softc *sc, int index)
2822 AAC_SETREG4(sc, AAC_RX_OQUE, index);
2826 aac_rkt_set_outb_queue(struct aac_softc *sc, int index)
2830 AAC_SETREG4(sc, AAC_RKT_OQUE, index);
2834 * Debugging and Diagnostics
2838 * Print some information about the controller.
2841 aac_describe_controller(struct aac_softc *sc)
2843 struct aac_fib *fib;
2844 struct aac_adapter_info *info;
2848 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
2849 aac_alloc_sync_fib(sc, &fib);
2852 if (aac_sync_fib(sc, RequestAdapterInfo, 0, fib, 1)) {
2853 device_printf(sc->aac_dev, "RequestAdapterInfo failed\n");
2854 aac_release_sync_fib(sc);
2855 AAC_LOCK_RELEASE(&sc->aac_io_lock);
2859 /* save the kernel revision structure for later use */
2860 info = (struct aac_adapter_info *)&fib->data[0];
2861 sc->aac_revision = info->KernelRevision;
2863 device_printf(sc->aac_dev, "Adaptec Raid Controller %d.%d.%d-%d\n",
2864 AAC_DRIVER_VERSION >> 24,
2865 (AAC_DRIVER_VERSION >> 16) & 0xFF,
2866 AAC_DRIVER_VERSION & 0xFF,
2870 device_printf(sc->aac_dev, "%s %dMHz, %dMB memory "
2871 "(%dMB cache, %dMB execution), %s\n",
2872 aac_describe_code(aac_cpu_variant, info->CpuVariant),
2873 info->ClockSpeed, info->TotalMem / (1024 * 1024),
2874 info->BufferMem / (1024 * 1024),
2875 info->ExecutionMem / (1024 * 1024),
2876 aac_describe_code(aac_battery_platform,
2877 info->batteryPlatform));
2879 device_printf(sc->aac_dev,
2880 "Kernel %d.%d-%d, Build %d, S/N %6X\n",
2881 info->KernelRevision.external.comp.major,
2882 info->KernelRevision.external.comp.minor,
2883 info->KernelRevision.external.comp.dash,
2884 info->KernelRevision.buildNumber,
2885 (u_int32_t)(info->SerialNumber & 0xffffff));
2887 device_printf(sc->aac_dev, "Supported Options=%b\n",
2888 sc->supported_options,
2910 aac_release_sync_fib(sc);
2911 AAC_LOCK_RELEASE(&sc->aac_io_lock);
2915 * Look up a text description of a numeric error code and return a pointer to
2919 aac_describe_code(struct aac_code_lookup *table, u_int32_t code)
2923 for (i = 0; table[i].string != NULL; i++)
2924 if (table[i].code == code)
2925 return(table[i].string);
2926 return(table[i + 1].string);
2930 * Management Interface
2934 aac_open(struct dev_open_args *ap)
2936 cdev_t dev = ap->a_head.a_dev;
2937 struct aac_softc *sc;
2943 /* Check to make sure the device isn't already open */
2944 if (sc->aac_state & AAC_STATE_OPEN) {
2947 sc->aac_state |= AAC_STATE_OPEN;
2953 aac_close(struct dev_close_args *ap)
2955 cdev_t dev = ap->a_head.a_dev;
2956 struct aac_softc *sc;
2962 /* Mark this unit as no longer open */
2963 sc->aac_state &= ~AAC_STATE_OPEN;
2969 aac_ioctl(struct dev_ioctl_args *ap)
2971 cdev_t dev = ap->a_head.a_dev;
2972 caddr_t arg = ap->a_data;
2973 struct aac_softc *sc = dev->si_drv1;
2979 if (ap->a_cmd == AACIO_STATS) {
2980 union aac_statrequest *as = (union aac_statrequest *)arg;
2982 switch (as->as_item) {
2988 bcopy(&sc->aac_qstat[as->as_item], &as->as_qstat,
2989 sizeof(struct aac_qstat));
2998 arg = *(caddr_t *)arg;
3000 switch (ap->a_cmd) {
3001 /* AACIO_STATS already handled above */
3002 case FSACTL_SENDFIB:
3003 debug(1, "FSACTL_SENDFIB");
3004 error = aac_ioctl_sendfib(sc, arg);
3006 case FSACTL_AIF_THREAD:
3007 debug(1, "FSACTL_AIF_THREAD");
3010 case FSACTL_OPEN_GET_ADAPTER_FIB:
3011 debug(1, "FSACTL_OPEN_GET_ADAPTER_FIB");
3013 * Pass the caller out an AdapterFibContext.
3015 * Note that because we only support one opener, we
3016 * basically ignore this. Set the caller's context to a magic
3017 * number just in case.
3019 * The Linux code hands the driver a pointer into kernel space,
3020 * and then trusts it when the caller hands it back. Aiee!
3021 * Here, we give it the proc pointer of the per-adapter aif
3022 * thread. It's only used as a sanity check in other calls.
3024 cookie = (uint32_t)(uintptr_t)sc->aifthread;
3025 error = copyout(&cookie, arg, sizeof(cookie));
3027 case FSACTL_GET_NEXT_ADAPTER_FIB:
3028 debug(1, "FSACTL_GET_NEXT_ADAPTER_FIB");
3029 error = aac_getnext_aif(sc, arg);
3031 case FSACTL_CLOSE_GET_ADAPTER_FIB:
3032 debug(1, "FSACTL_CLOSE_GET_ADAPTER_FIB");
3033 /* don't do anything here */
3035 case FSACTL_MINIPORT_REV_CHECK:
3036 debug(1, "FSACTL_MINIPORT_REV_CHECK");
3037 error = aac_rev_check(sc, arg);
3039 case FSACTL_QUERY_DISK:
3040 debug(1, "FSACTL_QUERY_DISK");
3041 error = aac_query_disk(sc, arg);
3043 case FSACTL_DELETE_DISK:
3045 * We don't trust the underland to tell us when to delete a
3046 * container, rather we rely on an AIF coming from the
3051 case FSACTL_GET_PCI_INFO:
3052 arg = *(caddr_t*)arg;
3053 case FSACTL_LNX_GET_PCI_INFO:
3054 debug(1, "FSACTL_GET_PCI_INFO");
3055 error = aac_get_pci_info(sc, arg);
3058 debug(1, "unsupported cmd 0x%lx\n", ap->a_cmd);
3066 aac_poll(struct dev_poll_args *ap)
3068 cdev_t dev = ap->a_head.a_dev;
3069 struct aac_softc *sc;
3075 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
3076 if ((ap->a_events & (POLLRDNORM | POLLIN)) != 0) {
3077 if (sc->aac_aifq_tail != sc->aac_aifq_head)
3078 revents |= ap->a_events & (POLLIN | POLLRDNORM);
3080 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3083 if (ap->a_events & (POLLIN | POLLRDNORM))
3084 selrecord(curthread, &sc->rcv_select);
3086 ap->a_events = revents;
3091 aac_ioctl_event(struct aac_softc *sc, struct aac_event *event, void *arg)
3094 switch (event->ev_type) {
3095 case AAC_EVENT_CMFREE:
3096 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3097 if (aac_alloc_command(sc, (struct aac_command **)arg)) {
3098 aac_add_event(sc, event);
3099 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3102 kfree(event, M_AACBUF);
3104 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3112 * Send a FIB supplied from userspace
3115 aac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib)
3117 struct aac_command *cm;
3127 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3128 if (aac_alloc_command(sc, &cm)) {
3129 struct aac_event *event;
3131 event = kmalloc(sizeof(struct aac_event), M_AACBUF,
3132 M_INTWAIT | M_ZERO);
3133 event->ev_type = AAC_EVENT_CMFREE;
3134 event->ev_callback = aac_ioctl_event;
3135 event->ev_arg = &cm;
3136 aac_add_event(sc, event);
3138 tsleep_interlock(&cm);
3139 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3140 tsleep(&cm, 0, "sendfib", 0);
3141 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3144 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3147 * Fetch the FIB header, then re-copy to get data as well.
3149 if ((error = copyin(ufib, cm->cm_fib,
3150 sizeof(struct aac_fib_header))) != 0)
3152 size = cm->cm_fib->Header.Size + sizeof(struct aac_fib_header);
3153 if (size > sizeof(struct aac_fib)) {
3154 device_printf(sc->aac_dev, "incoming FIB oversized (%d > %zd)\n",
3155 size, sizeof(struct aac_fib));
3156 size = sizeof(struct aac_fib);
3158 if ((error = copyin(ufib, cm->cm_fib, size)) != 0)
3160 cm->cm_fib->Header.Size = size;
3161 cm->cm_timestamp = time_second;
3164 * Pass the FIB to the controller, wait for it to complete.
3166 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3167 if ((error = aac_wait_command(cm)) != 0) {
3168 device_printf(sc->aac_dev,
3169 "aac_wait_command return %d\n", error);
3172 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3175 * Copy the FIB and data back out to the caller.
3177 size = cm->cm_fib->Header.Size;
3178 if (size > sizeof(struct aac_fib)) {
3179 device_printf(sc->aac_dev, "outbound FIB oversized (%d > %zd)\n",
3180 size, sizeof(struct aac_fib));
3181 size = sizeof(struct aac_fib);
3183 error = copyout(cm->cm_fib, ufib, size);
3184 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3188 aac_release_command(cm);
3191 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3196 * Handle an AIF sent to us by the controller; queue it for later reference.
3197 * If the queue fills up, then drop the older entries.
3200 aac_handle_aif(struct aac_softc *sc, struct aac_fib *fib)
3202 struct aac_aif_command *aif;
3203 struct aac_container *co, *co_next;
3204 struct aac_mntinfo *mi;
3205 struct aac_mntinforesp *mir = NULL;
3208 int count = 0, added = 0, i = 0;
3212 aif = (struct aac_aif_command*)&fib->data[0];
3213 aac_print_aif(sc, aif);
3215 /* Is it an event that we should care about? */
3216 switch (aif->command) {
3217 case AifCmdEventNotify:
3218 switch (aif->data.EN.type) {
3219 case AifEnAddContainer:
3220 case AifEnDeleteContainer:
3222 * A container was added or deleted, but the message
3223 * doesn't tell us anything else! Re-enumerate the
3224 * containers and sort things out.
3226 aac_alloc_sync_fib(sc, &fib);
3227 mi = (struct aac_mntinfo *)&fib->data[0];
3230 * Ask the controller for its containers one at
3232 * XXX What if the controller's list changes
3233 * midway through this enumaration?
3234 * XXX This should be done async.
3236 bzero(mi, sizeof(struct aac_mntinfo));
3237 mi->Command = VM_NameServe;
3238 mi->MntType = FT_FILESYS;
3240 rsize = sizeof(mir);
3241 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
3242 sizeof(struct aac_mntinfo))) {
3243 device_printf(sc->aac_dev,
3244 "Error probing container %d\n", i);
3248 mir = (struct aac_mntinforesp *)&fib->data[0];
3249 /* XXX Need to check if count changed */
3250 count = mir->MntRespCount;
3253 * Check the container against our list.
3254 * co->co_found was already set to 0 in a
3257 if ((mir->Status == ST_OK) &&
3258 (mir->MntTable[0].VolType != CT_NONE)) {
3261 &sc->aac_container_tqh,
3263 if (co->co_mntobj.ObjectId ==
3264 mir->MntTable[0].ObjectId) {
3271 * If the container matched, continue
3280 * This is a new container. Do all the
3281 * appropriate things to set it up.
3283 aac_add_container(sc, mir, 1);
3287 } while ((i < count) && (i < AAC_MAX_CONTAINERS));
3288 aac_release_sync_fib(sc);
3291 * Go through our list of containers and see which ones
3292 * were not marked 'found'. Since the controller didn't
3293 * list them they must have been deleted. Do the
3294 * appropriate steps to destroy the device. Also reset
3295 * the co->co_found field.
3297 co = TAILQ_FIRST(&sc->aac_container_tqh);
3298 while (co != NULL) {
3299 if (co->co_found == 0) {
3300 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3302 device_delete_child(sc->aac_dev,
3305 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3306 co_next = TAILQ_NEXT(co, co_link);
3307 AAC_LOCK_ACQUIRE(&sc->
3308 aac_container_lock);
3309 TAILQ_REMOVE(&sc->aac_container_tqh, co,
3311 AAC_LOCK_RELEASE(&sc->
3312 aac_container_lock);
3313 kfree(co, M_AACBUF);
3317 co = TAILQ_NEXT(co, co_link);
3321 /* Attach the newly created containers */
3323 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3325 bus_generic_attach(sc->aac_dev);
3327 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3340 /* Copy the AIF data to the AIF queue for ioctl retrieval */
3341 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
3342 next = (sc->aac_aifq_head + 1) % AAC_AIFQ_LENGTH;
3343 if (next != sc->aac_aifq_tail) {
3344 bcopy(aif, &sc->aac_aifq[next], sizeof(struct aac_aif_command));
3345 sc->aac_aifq_head = next;
3347 /* On the off chance that someone is sleeping for an aif... */
3348 if (sc->aac_state & AAC_STATE_AIF_SLEEPER)
3349 wakeup(sc->aac_aifq);
3350 /* token may have been lost */
3351 /* Wakeup any poll()ers */
3352 selwakeup(&sc->rcv_select);
3353 /* token may have been lost */
3355 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3361 * Return the Revision of the driver to userspace and check to see if the
3362 * userspace app is possibly compatible. This is extremely bogus since
3363 * our driver doesn't follow Adaptec's versioning system. Cheat by just
3364 * returning what the card reported.
3367 aac_rev_check(struct aac_softc *sc, caddr_t udata)
3369 struct aac_rev_check rev_check;
3370 struct aac_rev_check_resp rev_check_resp;
3376 * Copyin the revision struct from userspace
3378 if ((error = copyin(udata, (caddr_t)&rev_check,
3379 sizeof(struct aac_rev_check))) != 0) {
3383 debug(2, "Userland revision= %d\n",
3384 rev_check.callingRevision.buildNumber);
3387 * Doctor up the response struct.
3389 rev_check_resp.possiblyCompatible = 1;
3390 rev_check_resp.adapterSWRevision.external.ul =
3391 sc->aac_revision.external.ul;
3392 rev_check_resp.adapterSWRevision.buildNumber =
3393 sc->aac_revision.buildNumber;
3395 return(copyout((caddr_t)&rev_check_resp, udata,
3396 sizeof(struct aac_rev_check_resp)));
3400 * Pass the caller the next AIF in their queue
3403 aac_getnext_aif(struct aac_softc *sc, caddr_t arg)
3405 struct get_adapter_fib_ioctl agf;
3410 if ((error = copyin(arg, &agf, sizeof(agf))) == 0) {
3413 * Check the magic number that we gave the caller.
3415 if (agf.AdapterFibContext != (int)(uintptr_t)sc->aifthread) {
3419 error = aac_return_aif(sc, agf.AifFib);
3421 if ((error == EAGAIN) && (agf.Wait)) {
3422 sc->aac_state |= AAC_STATE_AIF_SLEEPER;
3423 while (error == EAGAIN) {
3424 error = tsleep(sc->aac_aifq,
3425 PCATCH, "aacaif", 0);
3427 error = aac_return_aif(sc,
3430 sc->aac_state &= ~AAC_STATE_AIF_SLEEPER;
3438 * Hand the next AIF off the top of the queue out to userspace.
3440 * YYY token could be lost during copyout
3443 aac_return_aif(struct aac_softc *sc, caddr_t uptr)
3449 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
3450 if (sc->aac_aifq_tail == sc->aac_aifq_head) {
3451 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3455 next = (sc->aac_aifq_tail + 1) % AAC_AIFQ_LENGTH;
3456 error = copyout(&sc->aac_aifq[next], uptr,
3457 sizeof(struct aac_aif_command));
3459 device_printf(sc->aac_dev,
3460 "aac_return_aif: copyout returned %d\n", error);
3462 sc->aac_aifq_tail = next;
3464 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3469 aac_get_pci_info(struct aac_softc *sc, caddr_t uptr)
3471 struct aac_pci_info {
3479 pciinf.bus = pci_get_bus(sc->aac_dev);
3480 pciinf.slot = pci_get_slot(sc->aac_dev);
3482 error = copyout((caddr_t)&pciinf, uptr,
3483 sizeof(struct aac_pci_info));
3489 * Give the userland some information about the container. The AAC arch
3490 * expects the driver to be a SCSI passthrough type driver, so it expects
3491 * the containers to have b:t:l numbers. Fake it.
3494 aac_query_disk(struct aac_softc *sc, caddr_t uptr)
3496 struct aac_query_disk query_disk;
3497 struct aac_container *co;
3498 struct aac_disk *disk;
3505 error = copyin(uptr, (caddr_t)&query_disk,
3506 sizeof(struct aac_query_disk));
3510 id = query_disk.ContainerNumber;
3514 AAC_LOCK_ACQUIRE(&sc->aac_container_lock);
3515 TAILQ_FOREACH(co, &sc->aac_container_tqh, co_link) {
3516 if (co->co_mntobj.ObjectId == id)
3521 query_disk.Valid = 0;
3522 query_disk.Locked = 0;
3523 query_disk.Deleted = 1; /* XXX is this right? */
3525 disk = device_get_softc(co->co_disk);
3526 query_disk.Valid = 1;
3528 (disk->ad_flags & AAC_DISK_OPEN) ? 1 : 0;
3529 query_disk.Deleted = 0;
3530 query_disk.Bus = device_get_unit(sc->aac_dev);
3531 query_disk.Target = disk->unit;
3533 query_disk.UnMapped = 0;
3534 bcopy(disk->ad_dev_t->si_name,
3535 &query_disk.diskDeviceName[0], 10);
3537 AAC_LOCK_RELEASE(&sc->aac_container_lock);
3539 error = copyout((caddr_t)&query_disk, uptr,
3540 sizeof(struct aac_query_disk));
3546 aac_get_bus_info(struct aac_softc *sc)
3548 struct aac_fib *fib;
3549 struct aac_ctcfg *c_cmd;
3550 struct aac_ctcfg_resp *c_resp;
3551 struct aac_vmioctl *vmi;
3552 struct aac_vmi_businf_resp *vmi_resp;
3553 struct aac_getbusinf businfo;
3554 struct aac_sim *caminf;
3556 int i, found, error;
3558 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3559 aac_alloc_sync_fib(sc, &fib);
3560 c_cmd = (struct aac_ctcfg *)&fib->data[0];
3561 bzero(c_cmd, sizeof(struct aac_ctcfg));
3563 c_cmd->Command = VM_ContainerConfig;
3564 c_cmd->cmd = CT_GET_SCSI_METHOD;
3567 error = aac_sync_fib(sc, ContainerCommand, 0, fib,
3568 sizeof(struct aac_ctcfg));
3570 device_printf(sc->aac_dev, "Error %d sending "
3571 "VM_ContainerConfig command\n", error);
3572 aac_release_sync_fib(sc);
3573 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3577 c_resp = (struct aac_ctcfg_resp *)&fib->data[0];
3578 if (c_resp->Status != ST_OK) {
3579 device_printf(sc->aac_dev, "VM_ContainerConfig returned 0x%x\n",
3581 aac_release_sync_fib(sc);
3582 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3586 sc->scsi_method_id = c_resp->param;
3588 vmi = (struct aac_vmioctl *)&fib->data[0];
3589 bzero(vmi, sizeof(struct aac_vmioctl));
3591 vmi->Command = VM_Ioctl;
3592 vmi->ObjType = FT_DRIVE;
3593 vmi->MethId = sc->scsi_method_id;
3595 vmi->IoctlCmd = GetBusInfo;
3597 error = aac_sync_fib(sc, ContainerCommand, 0, fib,
3598 sizeof(struct aac_vmioctl));
3600 device_printf(sc->aac_dev, "Error %d sending VMIoctl command\n",
3602 aac_release_sync_fib(sc);
3603 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3607 vmi_resp = (struct aac_vmi_businf_resp *)&fib->data[0];
3608 if (vmi_resp->Status != ST_OK) {
3609 debug(1, "VM_Ioctl returned %d\n", vmi_resp->Status);
3610 aac_release_sync_fib(sc);
3611 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3615 bcopy(&vmi_resp->BusInf, &businfo, sizeof(struct aac_getbusinf));
3616 aac_release_sync_fib(sc);
3617 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3620 for (i = 0; i < businfo.BusCount; i++) {
3621 if (businfo.BusValid[i] != AAC_BUS_VALID)
3624 caminf = (struct aac_sim *)kmalloc(sizeof(struct aac_sim),
3625 M_AACBUF, M_INTWAIT | M_ZERO);
3627 child = device_add_child(sc->aac_dev, "aacp", -1);
3628 if (child == NULL) {
3629 device_printf(sc->aac_dev,
3630 "device_add_child failed for passthrough bus %d\n",
3632 kfree(caminf, M_AACBUF);
3636 caminf->TargetsPerBus = businfo.TargetsPerBus;
3637 caminf->BusNumber = i;
3638 caminf->InitiatorBusId = businfo.InitiatorBusId[i];
3639 caminf->aac_sc = sc;
3640 caminf->sim_dev = child;
3642 device_set_ivars(child, caminf);
3643 device_set_desc(child, "SCSI Passthrough Bus");
3644 TAILQ_INSERT_TAIL(&sc->aac_sim_tqh, caminf, sim_link);
3650 bus_generic_attach(sc->aac_dev);