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
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
34 * Driver for the Adaptec 'FSA' family of PCI/SCSI RAID adapters.
36 #define AAC_DRIVER_VERSION 0x02000000
37 #define AAC_DRIVERNAME "aac"
41 /* #include <stddef.h> */
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/malloc.h>
45 #include <sys/kernel.h>
46 #include <sys/kthread.h>
47 #include <sys/sysctl.h>
49 #include <sys/ioccom.h>
53 #include <sys/signalvar.h>
55 #include <sys/eventhandler.h>
58 #include <machine/bus.h>
59 #include <sys/bus_dma.h>
60 #include <machine/resource.h>
62 #include <dev/pci/pcireg.h>
63 #include <dev/pci/pcivar.h>
65 #include <dev/aac/aacreg.h>
66 #include <sys/aac_ioctl.h>
67 #include <dev/aac/aacvar.h>
68 #include <dev/aac/aac_tables.h>
70 static void aac_startup(void *arg);
71 static void aac_add_container(struct aac_softc *sc,
72 struct aac_mntinforesp *mir, int f);
73 static void aac_get_bus_info(struct aac_softc *sc);
75 /* Command Processing */
76 static void aac_timeout(struct aac_softc *sc);
77 static void aac_complete(void *context, int pending);
78 static int aac_bio_command(struct aac_softc *sc, struct aac_command **cmp);
79 static void aac_bio_complete(struct aac_command *cm);
80 static int aac_wait_command(struct aac_command *cm);
81 static void aac_command_thread(struct aac_softc *sc);
83 /* Command Buffer Management */
84 static void aac_map_command_sg(void *arg, bus_dma_segment_t *segs,
86 static void aac_map_command_helper(void *arg, bus_dma_segment_t *segs,
88 static int aac_alloc_commands(struct aac_softc *sc);
89 static void aac_free_commands(struct aac_softc *sc);
90 static void aac_unmap_command(struct aac_command *cm);
92 /* Hardware Interface */
93 static void aac_common_map(void *arg, bus_dma_segment_t *segs, int nseg,
95 static int aac_check_firmware(struct aac_softc *sc);
96 static int aac_init(struct aac_softc *sc);
97 static int aac_sync_command(struct aac_softc *sc, u_int32_t command,
98 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
99 u_int32_t arg3, u_int32_t *sp);
100 static int aac_enqueue_fib(struct aac_softc *sc, int queue,
101 struct aac_command *cm);
102 static int aac_dequeue_fib(struct aac_softc *sc, int queue,
103 u_int32_t *fib_size, struct aac_fib **fib_addr);
104 static int aac_enqueue_response(struct aac_softc *sc, int queue,
105 struct aac_fib *fib);
107 /* Falcon/PPC interface */
108 static int aac_fa_get_fwstatus(struct aac_softc *sc);
109 static void aac_fa_qnotify(struct aac_softc *sc, int qbit);
110 static int aac_fa_get_istatus(struct aac_softc *sc);
111 static void aac_fa_clear_istatus(struct aac_softc *sc, int mask);
112 static void aac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command,
113 u_int32_t arg0, u_int32_t arg1,
114 u_int32_t arg2, u_int32_t arg3);
115 static int aac_fa_get_mailbox(struct aac_softc *sc, int mb);
116 static void aac_fa_set_interrupts(struct aac_softc *sc, int enable);
118 struct aac_interface aac_fa_interface = {
122 aac_fa_clear_istatus,
125 aac_fa_set_interrupts,
129 /* StrongARM interface */
130 static int aac_sa_get_fwstatus(struct aac_softc *sc);
131 static void aac_sa_qnotify(struct aac_softc *sc, int qbit);
132 static int aac_sa_get_istatus(struct aac_softc *sc);
133 static void aac_sa_clear_istatus(struct aac_softc *sc, int mask);
134 static void aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
135 u_int32_t arg0, u_int32_t arg1,
136 u_int32_t arg2, u_int32_t arg3);
137 static int aac_sa_get_mailbox(struct aac_softc *sc, int mb);
138 static void aac_sa_set_interrupts(struct aac_softc *sc, int enable);
140 struct aac_interface aac_sa_interface = {
144 aac_sa_clear_istatus,
147 aac_sa_set_interrupts,
151 /* i960Rx interface */
152 static int aac_rx_get_fwstatus(struct aac_softc *sc);
153 static void aac_rx_qnotify(struct aac_softc *sc, int qbit);
154 static int aac_rx_get_istatus(struct aac_softc *sc);
155 static void aac_rx_clear_istatus(struct aac_softc *sc, int mask);
156 static void aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
157 u_int32_t arg0, u_int32_t arg1,
158 u_int32_t arg2, u_int32_t arg3);
159 static int aac_rx_get_mailbox(struct aac_softc *sc, int mb);
160 static void aac_rx_set_interrupts(struct aac_softc *sc, int enable);
161 static int aac_rx_send_command(struct aac_softc *sc, struct aac_command *cm);
162 static int aac_rx_get_outb_queue(struct aac_softc *sc);
163 static void aac_rx_set_outb_queue(struct aac_softc *sc, int index);
165 struct aac_interface aac_rx_interface = {
169 aac_rx_clear_istatus,
172 aac_rx_set_interrupts,
174 aac_rx_get_outb_queue,
175 aac_rx_set_outb_queue
178 /* Rocket/MIPS interface */
179 static int aac_rkt_get_fwstatus(struct aac_softc *sc);
180 static void aac_rkt_qnotify(struct aac_softc *sc, int qbit);
181 static int aac_rkt_get_istatus(struct aac_softc *sc);
182 static void aac_rkt_clear_istatus(struct aac_softc *sc, int mask);
183 static void aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command,
184 u_int32_t arg0, u_int32_t arg1,
185 u_int32_t arg2, u_int32_t arg3);
186 static int aac_rkt_get_mailbox(struct aac_softc *sc, int mb);
187 static void aac_rkt_set_interrupts(struct aac_softc *sc, int enable);
188 static int aac_rkt_send_command(struct aac_softc *sc, struct aac_command *cm);
189 static int aac_rkt_get_outb_queue(struct aac_softc *sc);
190 static void aac_rkt_set_outb_queue(struct aac_softc *sc, int index);
192 struct aac_interface aac_rkt_interface = {
193 aac_rkt_get_fwstatus,
196 aac_rkt_clear_istatus,
199 aac_rkt_set_interrupts,
200 aac_rkt_send_command,
201 aac_rkt_get_outb_queue,
202 aac_rkt_set_outb_queue
205 /* Debugging and Diagnostics */
206 static void aac_describe_controller(struct aac_softc *sc);
207 static char *aac_describe_code(struct aac_code_lookup *table,
210 /* Management Interface */
211 static d_open_t aac_open;
212 static d_close_t aac_close;
213 static d_ioctl_t aac_ioctl;
214 static d_poll_t aac_poll;
215 static int aac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib);
216 static void aac_handle_aif(struct aac_softc *sc,
217 struct aac_fib *fib);
218 static int aac_rev_check(struct aac_softc *sc, caddr_t udata);
219 static int aac_getnext_aif(struct aac_softc *sc, caddr_t arg);
220 static int aac_return_aif(struct aac_softc *sc, caddr_t uptr);
221 static int aac_query_disk(struct aac_softc *sc, caddr_t uptr);
222 static int aac_get_pci_info(struct aac_softc *sc, caddr_t uptr);
223 static void aac_ioctl_event(struct aac_softc *sc,
224 struct aac_event *event, void *arg);
226 static struct cdevsw aac_cdevsw = {
227 .d_version = D_VERSION,
228 .d_flags = D_NEEDGIANT,
230 .d_close = aac_close,
231 .d_ioctl = aac_ioctl,
236 MALLOC_DEFINE(M_AACBUF, "aacbuf", "Buffers for the AAC driver");
239 SYSCTL_NODE(_hw, OID_AUTO, aac, CTLFLAG_RD, 0, "AAC driver parameters");
246 * Initialise the controller and softc
249 aac_attach(struct aac_softc *sc)
256 * Initialise per-controller queues.
264 * Initialise command-completion task.
266 TASK_INIT(&sc->aac_task_complete, 0, aac_complete, sc);
268 /* mark controller as suspended until we get ourselves organised */
269 sc->aac_state |= AAC_STATE_SUSPEND;
272 * Check that the firmware on the card is supported.
274 if ((error = aac_check_firmware(sc)) != 0)
280 mtx_init(&sc->aac_aifq_lock, "AAC AIF lock", NULL, MTX_DEF);
281 mtx_init(&sc->aac_io_lock, "AAC I/O lock", NULL, MTX_DEF);
282 mtx_init(&sc->aac_container_lock, "AAC container lock", NULL, MTX_DEF);
283 TAILQ_INIT(&sc->aac_container_tqh);
284 TAILQ_INIT(&sc->aac_ev_cmfree);
286 /* Initialize the local AIF queue pointers */
287 sc->aac_aifq_head = sc->aac_aifq_tail = AAC_AIFQ_LENGTH;
290 * Initialise the adapter.
292 if ((error = aac_init(sc)) != 0)
296 * Allocate and connect our interrupt.
299 if ((sc->aac_irq = bus_alloc_resource_any(sc->aac_dev, SYS_RES_IRQ,
302 RF_ACTIVE)) == NULL) {
303 device_printf(sc->aac_dev, "can't allocate interrupt\n");
306 if (sc->flags & AAC_FLAGS_NEW_COMM) {
307 if (bus_setup_intr(sc->aac_dev, sc->aac_irq,
308 INTR_MPSAFE|INTR_TYPE_BIO, aac_new_intr,
309 sc, &sc->aac_intr)) {
310 device_printf(sc->aac_dev, "can't set up interrupt\n");
314 if (bus_setup_intr(sc->aac_dev, sc->aac_irq,
315 INTR_FAST|INTR_TYPE_BIO, aac_fast_intr,
316 sc, &sc->aac_intr)) {
317 device_printf(sc->aac_dev,
318 "can't set up FAST interrupt\n");
319 if (bus_setup_intr(sc->aac_dev, sc->aac_irq,
320 INTR_MPSAFE|INTR_TYPE_BIO,
321 aac_fast_intr, sc, &sc->aac_intr)) {
322 device_printf(sc->aac_dev,
323 "can't set up MPSAFE interrupt\n");
330 * Print a little information about the controller.
332 aac_describe_controller(sc);
335 * Register to probe our containers later.
337 sc->aac_ich.ich_func = aac_startup;
338 sc->aac_ich.ich_arg = sc;
339 if (config_intrhook_establish(&sc->aac_ich) != 0) {
340 device_printf(sc->aac_dev,
341 "can't establish configuration hook\n");
346 * Make the control device.
348 unit = device_get_unit(sc->aac_dev);
349 sc->aac_dev_t = make_dev(&aac_cdevsw, unit, UID_ROOT, GID_OPERATOR,
350 0640, "aac%d", unit);
351 (void)make_dev_alias(sc->aac_dev_t, "afa%d", unit);
352 (void)make_dev_alias(sc->aac_dev_t, "hpn%d", unit);
353 sc->aac_dev_t->si_drv1 = sc;
355 /* Create the AIF thread */
356 if (kthread_create((void(*)(void *))aac_command_thread, sc,
357 &sc->aifthread, 0, 0, "aac%daif", unit))
358 panic("Could not create AIF thread\n");
360 /* Register the shutdown method to only be called post-dump */
361 if ((sc->eh = EVENTHANDLER_REGISTER(shutdown_final, aac_shutdown,
362 sc->aac_dev, SHUTDOWN_PRI_DEFAULT)) == NULL)
363 device_printf(sc->aac_dev,
364 "shutdown event registration failed\n");
366 /* Register with CAM for the non-DASD devices */
367 if ((sc->flags & AAC_FLAGS_ENABLE_CAM) != 0) {
368 TAILQ_INIT(&sc->aac_sim_tqh);
369 aac_get_bus_info(sc);
376 aac_add_event(struct aac_softc *sc, struct aac_event *event)
379 switch (event->ev_type & AAC_EVENT_MASK) {
380 case AAC_EVENT_CMFREE:
381 TAILQ_INSERT_TAIL(&sc->aac_ev_cmfree, event, ev_links);
384 device_printf(sc->aac_dev, "aac_add event: unknown event %d\n",
393 * Probe for containers, create disks.
396 aac_startup(void *arg)
398 struct aac_softc *sc;
400 struct aac_mntinfo *mi;
401 struct aac_mntinforesp *mir = NULL;
402 int count = 0, i = 0;
406 sc = (struct aac_softc *)arg;
408 /* disconnect ourselves from the intrhook chain */
409 config_intrhook_disestablish(&sc->aac_ich);
411 mtx_lock(&sc->aac_io_lock);
412 aac_alloc_sync_fib(sc, &fib);
413 mi = (struct aac_mntinfo *)&fib->data[0];
415 /* loop over possible containers */
417 /* request information on this container */
418 bzero(mi, sizeof(struct aac_mntinfo));
419 mi->Command = VM_NameServe;
420 mi->MntType = FT_FILESYS;
422 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
423 sizeof(struct aac_mntinfo))) {
424 printf("error probing container %d", i);
428 mir = (struct aac_mntinforesp *)&fib->data[0];
429 /* XXX Need to check if count changed */
430 count = mir->MntRespCount;
431 aac_add_container(sc, mir, 0);
433 } while ((i < count) && (i < AAC_MAX_CONTAINERS));
435 aac_release_sync_fib(sc);
436 mtx_unlock(&sc->aac_io_lock);
438 /* poke the bus to actually attach the child devices */
439 if (bus_generic_attach(sc->aac_dev))
440 device_printf(sc->aac_dev, "bus_generic_attach failed\n");
442 /* mark the controller up */
443 sc->aac_state &= ~AAC_STATE_SUSPEND;
445 /* enable interrupts now */
446 AAC_UNMASK_INTERRUPTS(sc);
450 * Create a device to respresent a new container
453 aac_add_container(struct aac_softc *sc, struct aac_mntinforesp *mir, int f)
455 struct aac_container *co;
459 * Check container volume type for validity. Note that many of
460 * the possible types may never show up.
462 if ((mir->Status == ST_OK) && (mir->MntTable[0].VolType != CT_NONE)) {
463 co = (struct aac_container *)malloc(sizeof *co, M_AACBUF,
466 panic("Out of memory?!\n");
467 debug(1, "id %x name '%.16s' size %u type %d",
468 mir->MntTable[0].ObjectId,
469 mir->MntTable[0].FileSystemName,
470 mir->MntTable[0].Capacity, mir->MntTable[0].VolType);
472 if ((child = device_add_child(sc->aac_dev, "aacd", -1)) == NULL)
473 device_printf(sc->aac_dev, "device_add_child failed\n");
475 device_set_ivars(child, co);
476 device_set_desc(child, aac_describe_code(aac_container_types,
477 mir->MntTable[0].VolType));
480 bcopy(&mir->MntTable[0], &co->co_mntobj,
481 sizeof(struct aac_mntobj));
482 mtx_lock(&sc->aac_container_lock);
483 TAILQ_INSERT_TAIL(&sc->aac_container_tqh, co, co_link);
484 mtx_unlock(&sc->aac_container_lock);
489 * Free all of the resources associated with (sc)
491 * Should not be called if the controller is active.
494 aac_free(struct aac_softc *sc)
499 /* remove the control device */
500 if (sc->aac_dev_t != NULL)
501 destroy_dev(sc->aac_dev_t);
503 /* throw away any FIB buffers, discard the FIB DMA tag */
504 aac_free_commands(sc);
505 if (sc->aac_fib_dmat)
506 bus_dma_tag_destroy(sc->aac_fib_dmat);
508 free(sc->aac_commands, M_AACBUF);
510 /* destroy the common area */
511 if (sc->aac_common) {
512 bus_dmamap_unload(sc->aac_common_dmat, sc->aac_common_dmamap);
513 bus_dmamem_free(sc->aac_common_dmat, sc->aac_common,
514 sc->aac_common_dmamap);
516 if (sc->aac_common_dmat)
517 bus_dma_tag_destroy(sc->aac_common_dmat);
519 /* disconnect the interrupt handler */
521 bus_teardown_intr(sc->aac_dev, sc->aac_irq, sc->aac_intr);
522 if (sc->aac_irq != NULL)
523 bus_release_resource(sc->aac_dev, SYS_RES_IRQ, sc->aac_irq_rid,
526 /* destroy data-transfer DMA tag */
527 if (sc->aac_buffer_dmat)
528 bus_dma_tag_destroy(sc->aac_buffer_dmat);
530 /* destroy the parent DMA tag */
531 if (sc->aac_parent_dmat)
532 bus_dma_tag_destroy(sc->aac_parent_dmat);
534 /* release the register window mapping */
535 if (sc->aac_regs_resource != NULL)
536 bus_release_resource(sc->aac_dev, SYS_RES_MEMORY,
537 sc->aac_regs_rid, sc->aac_regs_resource);
541 * Disconnect from the controller completely, in preparation for unload.
544 aac_detach(device_t dev)
546 struct aac_softc *sc;
547 struct aac_container *co;
553 sc = device_get_softc(dev);
555 if (sc->aac_state & AAC_STATE_OPEN)
558 /* Remove the child containers */
559 while ((co = TAILQ_FIRST(&sc->aac_container_tqh)) != NULL) {
560 error = device_delete_child(dev, co->co_disk);
563 TAILQ_REMOVE(&sc->aac_container_tqh, co, co_link);
567 /* Remove the CAM SIMs */
568 while ((sim = TAILQ_FIRST(&sc->aac_sim_tqh)) != NULL) {
569 TAILQ_REMOVE(&sc->aac_sim_tqh, sim, sim_link);
570 error = device_delete_child(dev, sim->sim_dev);
576 if (sc->aifflags & AAC_AIFFLAGS_RUNNING) {
577 sc->aifflags |= AAC_AIFFLAGS_EXIT;
578 wakeup(sc->aifthread);
579 tsleep(sc->aac_dev, PUSER | PCATCH, "aacdch", 30 * hz);
582 if (sc->aifflags & AAC_AIFFLAGS_RUNNING)
583 panic("Cannot shutdown AIF thread\n");
585 if ((error = aac_shutdown(dev)))
588 EVENTHANDLER_DEREGISTER(shutdown_final, sc->eh);
592 mtx_destroy(&sc->aac_aifq_lock);
593 mtx_destroy(&sc->aac_io_lock);
594 mtx_destroy(&sc->aac_container_lock);
600 * Bring the controller down to a dormant state and detach all child devices.
602 * This function is called before detach or system shutdown.
604 * Note that we can assume that the bioq on the controller is empty, as we won't
605 * allow shutdown if any device is open.
608 aac_shutdown(device_t dev)
610 struct aac_softc *sc;
612 struct aac_close_command *cc;
616 sc = device_get_softc(dev);
618 sc->aac_state |= AAC_STATE_SUSPEND;
621 * Send a Container shutdown followed by a HostShutdown FIB to the
622 * controller to convince it that we don't want to talk to it anymore.
623 * We've been closed and all I/O completed already
625 device_printf(sc->aac_dev, "shutting down controller...");
627 mtx_lock(&sc->aac_io_lock);
628 aac_alloc_sync_fib(sc, &fib);
629 cc = (struct aac_close_command *)&fib->data[0];
631 bzero(cc, sizeof(struct aac_close_command));
632 cc->Command = VM_CloseAll;
633 cc->ContainerId = 0xffffffff;
634 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
635 sizeof(struct aac_close_command)))
643 * XXX Issuing this command to the controller makes it shut down
644 * but also keeps it from coming back up without a reset of the
645 * PCI bus. This is not desirable if you are just unloading the
646 * driver module with the intent to reload it later.
648 if (aac_sync_fib(sc, FsaHostShutdown, AAC_FIBSTATE_SHUTDOWN,
657 AAC_MASK_INTERRUPTS(sc);
658 aac_release_sync_fib(sc);
659 mtx_unlock(&sc->aac_io_lock);
665 * Bring the controller to a quiescent state, ready for system suspend.
668 aac_suspend(device_t dev)
670 struct aac_softc *sc;
674 sc = device_get_softc(dev);
676 sc->aac_state |= AAC_STATE_SUSPEND;
678 AAC_MASK_INTERRUPTS(sc);
683 * Bring the controller back to a state ready for operation.
686 aac_resume(device_t dev)
688 struct aac_softc *sc;
692 sc = device_get_softc(dev);
694 sc->aac_state &= ~AAC_STATE_SUSPEND;
695 AAC_UNMASK_INTERRUPTS(sc);
700 * Interrupt handler for NEW_COMM interface.
703 aac_new_intr(void *arg)
705 struct aac_softc *sc;
706 u_int32_t index, fast;
707 struct aac_command *cm;
713 sc = (struct aac_softc *)arg;
715 mtx_lock(&sc->aac_io_lock);
717 index = AAC_GET_OUTB_QUEUE(sc);
718 if (index == 0xffffffff)
719 index = AAC_GET_OUTB_QUEUE(sc);
720 if (index == 0xffffffff)
723 if (index == 0xfffffffe) {
724 /* XXX This means that the controller wants
725 * more work. Ignore it for now.
730 fib = (struct aac_fib *)malloc(sizeof *fib, M_AACBUF,
733 /* If we're really this short on memory,
734 * hopefully breaking out of the handler will
735 * allow something to get freed. This
736 * actually sucks a whole lot.
741 for (i = 0; i < sizeof(struct aac_fib)/4; ++i)
742 ((u_int32_t *)fib)[i] = AAC_GETREG4(sc, index + i*4);
743 aac_handle_aif(sc, fib);
747 * AIF memory is owned by the adapter, so let it
748 * know that we are done with it.
750 AAC_SET_OUTB_QUEUE(sc, index);
751 AAC_CLEAR_ISTATUS(sc, AAC_DB_RESPONSE_READY);
754 cm = sc->aac_commands + (index >> 2);
757 fib->Header.XferState |= AAC_FIBSTATE_DONEADAP;
758 *((u_int32_t *)(fib->data)) = AAC_ERROR_NORMAL;
761 aac_unmap_command(cm);
762 cm->cm_flags |= AAC_CMD_COMPLETED;
764 /* is there a completion handler? */
765 if (cm->cm_complete != NULL) {
768 /* assume that someone is sleeping on this
773 sc->flags &= ~AAC_QUEUE_FRZN;
776 /* see if we can start some more I/O */
777 if ((sc->flags & AAC_QUEUE_FRZN) == 0)
780 mtx_unlock(&sc->aac_io_lock);
784 aac_fast_intr(void *arg)
786 struct aac_softc *sc;
791 sc = (struct aac_softc *)arg;
794 * Read the status register directly. This is faster than taking the
795 * driver lock and reading the queues directly. It also saves having
796 * to turn parts of the driver lock into a spin mutex, which would be
799 reason = AAC_GET_ISTATUS(sc);
800 AAC_CLEAR_ISTATUS(sc, reason);
802 /* handle completion processing */
803 if (reason & AAC_DB_RESPONSE_READY)
804 taskqueue_enqueue_fast(taskqueue_fast, &sc->aac_task_complete);
806 /* controller wants to talk to us */
807 if (reason & (AAC_DB_PRINTF | AAC_DB_COMMAND_READY)) {
809 * XXX Make sure that we don't get fooled by strange messages
810 * that start with a NULL.
812 if ((reason & AAC_DB_PRINTF) &&
813 (sc->aac_common->ac_printf[0] == 0))
814 sc->aac_common->ac_printf[0] = 32;
817 * This might miss doing the actual wakeup. However, the
818 * msleep that this is waking up has a timeout, so it will
819 * wake up eventually. AIFs and printfs are low enough
820 * priority that they can handle hanging out for a few seconds
823 wakeup(sc->aifthread);
832 * Start as much queued I/O as possible on the controller
835 aac_startio(struct aac_softc *sc)
837 struct aac_command *cm;
844 * This flag might be set if the card is out of resources.
845 * Checking it here prevents an infinite loop of deferrals.
847 if (sc->flags & AAC_QUEUE_FRZN)
851 * Try to get a command that's been put off for lack of
854 cm = aac_dequeue_ready(sc);
857 * Try to build a command off the bio queue (ignore error
861 aac_bio_command(sc, &cm);
867 /* don't map more than once */
868 if (cm->cm_flags & AAC_CMD_MAPPED)
869 panic("aac: command %p already mapped", cm);
872 * Set up the command to go to the controller. If there are no
873 * data buffers associated with the command then it can bypass
876 if (cm->cm_datalen != 0) {
877 error = bus_dmamap_load(sc->aac_buffer_dmat,
878 cm->cm_datamap, cm->cm_data,
880 aac_map_command_sg, cm, 0);
881 if (error == EINPROGRESS) {
882 debug(1, "freezing queue\n");
883 sc->flags |= AAC_QUEUE_FRZN;
885 } else if (error != 0)
886 panic("aac_startio: unexpected error %d from "
889 aac_map_command_sg(cm, NULL, 0, 0);
894 * Handle notification of one or more FIBs coming from the controller.
897 aac_command_thread(struct aac_softc *sc)
905 mtx_lock(&sc->aac_io_lock);
906 sc->aifflags = AAC_AIFFLAGS_RUNNING;
908 while ((sc->aifflags & AAC_AIFFLAGS_EXIT) == 0) {
911 if ((sc->aifflags & AAC_AIFFLAGS_PENDING) == 0)
912 retval = msleep(sc->aifthread, &sc->aac_io_lock, PRIBIO,
913 "aifthd", AAC_PERIODIC_INTERVAL * hz);
916 * First see if any FIBs need to be allocated. This needs
917 * to be called without the driver lock because contigmalloc
918 * will grab Giant, and would result in an LOR.
920 if ((sc->aifflags & AAC_AIFFLAGS_ALLOCFIBS) != 0) {
921 mtx_unlock(&sc->aac_io_lock);
922 aac_alloc_commands(sc);
923 mtx_lock(&sc->aac_io_lock);
924 sc->aifflags &= ~AAC_AIFFLAGS_ALLOCFIBS;
929 * While we're here, check to see if any commands are stuck.
930 * This is pretty low-priority, so it's ok if it doesn't
933 if (retval == EWOULDBLOCK)
936 /* Check the hardware printf message buffer */
937 if (sc->aac_common->ac_printf[0] != 0)
938 aac_print_printf(sc);
940 /* Also check to see if the adapter has a command for us. */
941 if (sc->flags & AAC_FLAGS_NEW_COMM)
944 if (aac_dequeue_fib(sc, AAC_HOST_NORM_CMD_QUEUE,
948 AAC_PRINT_FIB(sc, fib);
950 switch (fib->Header.Command) {
952 aac_handle_aif(sc, fib);
955 device_printf(sc->aac_dev, "unknown command "
956 "from controller\n");
960 if ((fib->Header.XferState == 0) ||
961 (fib->Header.StructType != AAC_FIBTYPE_TFIB)) {
965 /* Return the AIF to the controller. */
966 if (fib->Header.XferState & AAC_FIBSTATE_FROMADAP) {
967 fib->Header.XferState |= AAC_FIBSTATE_DONEHOST;
968 *(AAC_FSAStatus*)fib->data = ST_OK;
970 /* XXX Compute the Size field? */
971 size = fib->Header.Size;
972 if (size > sizeof(struct aac_fib)) {
973 size = sizeof(struct aac_fib);
974 fib->Header.Size = size;
977 * Since we did not generate this command, it
978 * cannot go through the normal
979 * enqueue->startio chain.
981 aac_enqueue_response(sc,
982 AAC_ADAP_NORM_RESP_QUEUE,
987 sc->aifflags &= ~AAC_AIFFLAGS_RUNNING;
988 mtx_unlock(&sc->aac_io_lock);
995 * Process completed commands.
998 aac_complete(void *context, int pending)
1000 struct aac_softc *sc;
1001 struct aac_command *cm;
1002 struct aac_fib *fib;
1007 sc = (struct aac_softc *)context;
1009 mtx_lock(&sc->aac_io_lock);
1011 /* pull completed commands off the queue */
1013 /* look for completed FIBs on our queue */
1014 if (aac_dequeue_fib(sc, AAC_HOST_NORM_RESP_QUEUE, &fib_size,
1016 break; /* nothing to do */
1018 /* get the command, unmap and hand off for processing */
1019 cm = sc->aac_commands + fib->Header.SenderData;
1021 AAC_PRINT_FIB(sc, fib);
1024 aac_remove_busy(cm);
1026 aac_unmap_command(cm);
1027 cm->cm_flags |= AAC_CMD_COMPLETED;
1029 /* is there a completion handler? */
1030 if (cm->cm_complete != NULL) {
1031 cm->cm_complete(cm);
1033 /* assume that someone is sleeping on this command */
1038 /* see if we can start some more I/O */
1039 sc->flags &= ~AAC_QUEUE_FRZN;
1042 mtx_unlock(&sc->aac_io_lock);
1046 * Handle a bio submitted from a disk device.
1049 aac_submit_bio(struct bio *bp)
1051 struct aac_disk *ad;
1052 struct aac_softc *sc;
1056 ad = (struct aac_disk *)bp->bio_disk->d_drv1;
1057 sc = ad->ad_controller;
1059 /* queue the BIO and try to get some work done */
1060 aac_enqueue_bio(sc, bp);
1065 * Get a bio and build a command to go with it.
1068 aac_bio_command(struct aac_softc *sc, struct aac_command **cmp)
1070 struct aac_command *cm;
1071 struct aac_fib *fib;
1072 struct aac_disk *ad;
1077 /* get the resources we will need */
1080 if (aac_alloc_command(sc, &cm)) /* get a command */
1082 if ((bp = aac_dequeue_bio(sc)) == NULL)
1085 /* fill out the command */
1086 cm->cm_data = (void *)bp->bio_data;
1087 cm->cm_datalen = bp->bio_bcount;
1088 cm->cm_complete = aac_bio_complete;
1089 cm->cm_private = bp;
1090 cm->cm_timestamp = time_uptime;
1091 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1095 fib->Header.Size = sizeof(struct aac_fib_header);
1096 fib->Header.XferState =
1097 AAC_FIBSTATE_HOSTOWNED |
1098 AAC_FIBSTATE_INITIALISED |
1099 AAC_FIBSTATE_EMPTY |
1100 AAC_FIBSTATE_FROMHOST |
1101 AAC_FIBSTATE_REXPECTED |
1103 AAC_FIBSTATE_ASYNC |
1104 AAC_FIBSTATE_FAST_RESPONSE;
1106 /* build the read/write request */
1107 ad = (struct aac_disk *)bp->bio_disk->d_drv1;
1109 if (sc->flags & AAC_FLAGS_RAW_IO) {
1110 struct aac_raw_io *raw;
1111 raw = (struct aac_raw_io *)&fib->data[0];
1112 fib->Header.Command = RawIo;
1113 raw->BlockNumber = (u_int64_t)bp->bio_pblkno;
1114 raw->ByteCount = bp->bio_bcount;
1115 raw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1117 raw->BpComplete = 0;
1118 fib->Header.Size += sizeof(struct aac_raw_io);
1119 cm->cm_sgtable = (struct aac_sg_table *)&raw->SgMapRaw;
1120 if (bp->bio_cmd == BIO_READ) {
1122 cm->cm_flags |= AAC_CMD_DATAIN;
1125 cm->cm_flags |= AAC_CMD_DATAOUT;
1127 } else if ((sc->flags & AAC_FLAGS_SG_64BIT) == 0) {
1128 fib->Header.Command = ContainerCommand;
1129 if (bp->bio_cmd == BIO_READ) {
1130 struct aac_blockread *br;
1131 br = (struct aac_blockread *)&fib->data[0];
1132 br->Command = VM_CtBlockRead;
1133 br->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1134 br->BlockNumber = bp->bio_pblkno;
1135 br->ByteCount = bp->bio_bcount;
1136 fib->Header.Size += sizeof(struct aac_blockread);
1137 cm->cm_sgtable = &br->SgMap;
1138 cm->cm_flags |= AAC_CMD_DATAIN;
1140 struct aac_blockwrite *bw;
1141 bw = (struct aac_blockwrite *)&fib->data[0];
1142 bw->Command = VM_CtBlockWrite;
1143 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1144 bw->BlockNumber = bp->bio_pblkno;
1145 bw->ByteCount = bp->bio_bcount;
1146 bw->Stable = CUNSTABLE;
1147 fib->Header.Size += sizeof(struct aac_blockwrite);
1148 cm->cm_flags |= AAC_CMD_DATAOUT;
1149 cm->cm_sgtable = &bw->SgMap;
1152 fib->Header.Command = ContainerCommand64;
1153 if (bp->bio_cmd == BIO_READ) {
1154 struct aac_blockread64 *br;
1155 br = (struct aac_blockread64 *)&fib->data[0];
1156 br->Command = VM_CtHostRead64;
1157 br->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1158 br->SectorCount = bp->bio_bcount / AAC_BLOCK_SIZE;
1159 br->BlockNumber = bp->bio_pblkno;
1162 fib->Header.Size += sizeof(struct aac_blockread64);
1163 cm->cm_flags |= AAC_CMD_DATAOUT;
1164 cm->cm_sgtable = (struct aac_sg_table *)&br->SgMap64;
1166 struct aac_blockwrite64 *bw;
1167 bw = (struct aac_blockwrite64 *)&fib->data[0];
1168 bw->Command = VM_CtHostWrite64;
1169 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1170 bw->SectorCount = bp->bio_bcount / AAC_BLOCK_SIZE;
1171 bw->BlockNumber = bp->bio_pblkno;
1174 fib->Header.Size += sizeof(struct aac_blockwrite64);
1175 cm->cm_flags |= AAC_CMD_DATAIN;
1176 cm->cm_sgtable = (struct aac_sg_table *)&bw->SgMap64;
1185 aac_enqueue_bio(sc, bp);
1187 aac_release_command(cm);
1192 * Handle a bio-instigated command that has been completed.
1195 aac_bio_complete(struct aac_command *cm)
1197 struct aac_blockread_response *brr;
1198 struct aac_blockwrite_response *bwr;
1200 AAC_FSAStatus status;
1202 /* fetch relevant status and then release the command */
1203 bp = (struct bio *)cm->cm_private;
1204 if (bp->bio_cmd == BIO_READ) {
1205 brr = (struct aac_blockread_response *)&cm->cm_fib->data[0];
1206 status = brr->Status;
1208 bwr = (struct aac_blockwrite_response *)&cm->cm_fib->data[0];
1209 status = bwr->Status;
1211 aac_release_command(cm);
1213 /* fix up the bio based on status */
1214 if (status == ST_OK) {
1217 bp->bio_error = EIO;
1218 bp->bio_flags |= BIO_ERROR;
1219 /* pass an error string out to the disk layer */
1220 bp->bio_driver1 = aac_describe_code(aac_command_status_table,
1227 * Submit a command to the controller, return when it completes.
1228 * XXX This is very dangerous! If the card has gone out to lunch, we could
1229 * be stuck here forever. At the same time, signals are not caught
1230 * because there is a risk that a signal could wakeup the sleep before
1231 * the card has a chance to complete the command. Since there is no way
1232 * to cancel a command that is in progress, we can't protect against the
1233 * card completing a command late and spamming the command and data
1234 * memory. So, we are held hostage until the command completes.
1237 aac_wait_command(struct aac_command *cm)
1239 struct aac_softc *sc;
1246 /* Put the command on the ready queue and get things going */
1247 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1248 aac_enqueue_ready(cm);
1250 error = msleep(cm, &sc->aac_io_lock, PRIBIO, "aacwait", 0);
1255 *Command Buffer Management
1259 * Allocate a command.
1262 aac_alloc_command(struct aac_softc *sc, struct aac_command **cmp)
1264 struct aac_command *cm;
1268 if ((cm = aac_dequeue_free(sc)) == NULL) {
1269 if (sc->total_fibs < sc->aac_max_fibs) {
1270 sc->aifflags |= AAC_AIFFLAGS_ALLOCFIBS;
1271 wakeup(sc->aifthread);
1281 * Release a command back to the freelist.
1284 aac_release_command(struct aac_command *cm)
1286 struct aac_event *event;
1287 struct aac_softc *sc;
1291 /* (re)initialise the command/FIB */
1292 cm->cm_sgtable = NULL;
1294 cm->cm_complete = NULL;
1295 cm->cm_private = NULL;
1296 cm->cm_fib->Header.XferState = AAC_FIBSTATE_EMPTY;
1297 cm->cm_fib->Header.StructType = AAC_FIBTYPE_TFIB;
1298 cm->cm_fib->Header.Flags = 0;
1299 cm->cm_fib->Header.SenderSize = cm->cm_sc->aac_max_fib_size;
1302 * These are duplicated in aac_start to cover the case where an
1303 * intermediate stage may have destroyed them. They're left
1304 * initialised here for debugging purposes only.
1306 cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys;
1307 cm->cm_fib->Header.SenderData = 0;
1309 aac_enqueue_free(cm);
1312 event = TAILQ_FIRST(&sc->aac_ev_cmfree);
1313 if (event != NULL) {
1314 TAILQ_REMOVE(&sc->aac_ev_cmfree, event, ev_links);
1315 event->ev_callback(sc, event, event->ev_arg);
1320 * Map helper for command/FIB allocation.
1323 aac_map_command_helper(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1327 fibphys = (uint64_t *)arg;
1331 *fibphys = segs[0].ds_addr;
1335 * Allocate and initialise commands/FIBs for this adapter.
1338 aac_alloc_commands(struct aac_softc *sc)
1340 struct aac_command *cm;
1341 struct aac_fibmap *fm;
1347 if (sc->total_fibs + sc->aac_max_fibs_alloc > sc->aac_max_fibs)
1350 fm = malloc(sizeof(struct aac_fibmap), M_AACBUF, M_NOWAIT|M_ZERO);
1354 /* allocate the FIBs in DMAable memory and load them */
1355 if (bus_dmamem_alloc(sc->aac_fib_dmat, (void **)&fm->aac_fibs,
1356 BUS_DMA_NOWAIT, &fm->aac_fibmap)) {
1357 device_printf(sc->aac_dev,
1358 "Not enough contiguous memory available.\n");
1363 /* Ignore errors since this doesn't bounce */
1364 (void)bus_dmamap_load(sc->aac_fib_dmat, fm->aac_fibmap, fm->aac_fibs,
1365 sc->aac_max_fibs_alloc * sc->aac_max_fib_size,
1366 aac_map_command_helper, &fibphys, 0);
1368 /* initialise constant fields in the command structure */
1369 mtx_lock(&sc->aac_io_lock);
1370 bzero(fm->aac_fibs, sc->aac_max_fibs_alloc * sc->aac_max_fib_size);
1371 for (i = 0; i < sc->aac_max_fibs_alloc; i++) {
1372 cm = sc->aac_commands + sc->total_fibs;
1373 fm->aac_commands = cm;
1375 cm->cm_fib = (struct aac_fib *)
1376 ((u_int8_t *)fm->aac_fibs + i*sc->aac_max_fib_size);
1377 cm->cm_fibphys = fibphys + i*sc->aac_max_fib_size;
1378 cm->cm_index = sc->total_fibs;
1380 if ((error = bus_dmamap_create(sc->aac_buffer_dmat, 0,
1381 &cm->cm_datamap)) == 0)
1382 aac_release_command(cm);
1389 TAILQ_INSERT_TAIL(&sc->aac_fibmap_tqh, fm, fm_link);
1390 debug(1, "total_fibs= %d\n", sc->total_fibs);
1391 mtx_unlock(&sc->aac_io_lock);
1395 mtx_unlock(&sc->aac_io_lock);
1396 bus_dmamap_unload(sc->aac_fib_dmat, fm->aac_fibmap);
1397 bus_dmamem_free(sc->aac_fib_dmat, fm->aac_fibs, fm->aac_fibmap);
1403 * Free FIBs owned by this adapter.
1406 aac_free_commands(struct aac_softc *sc)
1408 struct aac_fibmap *fm;
1409 struct aac_command *cm;
1414 while ((fm = TAILQ_FIRST(&sc->aac_fibmap_tqh)) != NULL) {
1416 TAILQ_REMOVE(&sc->aac_fibmap_tqh, fm, fm_link);
1418 * We check against total_fibs to handle partially
1421 for (i = 0; i < sc->aac_max_fibs_alloc && sc->total_fibs--; i++) {
1422 cm = fm->aac_commands + i;
1423 bus_dmamap_destroy(sc->aac_buffer_dmat, cm->cm_datamap);
1425 bus_dmamap_unload(sc->aac_fib_dmat, fm->aac_fibmap);
1426 bus_dmamem_free(sc->aac_fib_dmat, fm->aac_fibs, fm->aac_fibmap);
1432 * Command-mapping helper function - populate this command's s/g table.
1435 aac_map_command_sg(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1437 struct aac_softc *sc;
1438 struct aac_command *cm;
1439 struct aac_fib *fib;
1444 cm = (struct aac_command *)arg;
1448 /* copy into the FIB */
1449 if (cm->cm_sgtable != NULL) {
1450 if (fib->Header.Command == RawIo) {
1451 struct aac_sg_tableraw *sg;
1452 sg = (struct aac_sg_tableraw *)cm->cm_sgtable;
1454 for (i = 0; i < nseg; i++) {
1455 sg->SgEntryRaw[i].SgAddress = segs[i].ds_addr;
1456 sg->SgEntryRaw[i].SgByteCount = segs[i].ds_len;
1457 sg->SgEntryRaw[i].Next = 0;
1458 sg->SgEntryRaw[i].Prev = 0;
1459 sg->SgEntryRaw[i].Flags = 0;
1461 /* update the FIB size for the s/g count */
1462 fib->Header.Size += nseg*sizeof(struct aac_sg_entryraw);
1463 } else if ((cm->cm_sc->flags & AAC_FLAGS_SG_64BIT) == 0) {
1464 struct aac_sg_table *sg;
1465 sg = cm->cm_sgtable;
1467 for (i = 0; i < nseg; i++) {
1468 sg->SgEntry[i].SgAddress = segs[i].ds_addr;
1469 sg->SgEntry[i].SgByteCount = segs[i].ds_len;
1471 /* update the FIB size for the s/g count */
1472 fib->Header.Size += nseg*sizeof(struct aac_sg_entry);
1474 struct aac_sg_table64 *sg;
1475 sg = (struct aac_sg_table64 *)cm->cm_sgtable;
1477 for (i = 0; i < nseg; i++) {
1478 sg->SgEntry64[i].SgAddress = segs[i].ds_addr;
1479 sg->SgEntry64[i].SgByteCount = segs[i].ds_len;
1481 /* update the FIB size for the s/g count */
1482 fib->Header.Size += nseg*sizeof(struct aac_sg_entry64);
1486 /* Fix up the address values in the FIB. Use the command array index
1487 * instead of a pointer since these fields are only 32 bits. Shift
1488 * the SenderFibAddress over to make room for the fast response bit
1489 * and for the AIF bit
1491 cm->cm_fib->Header.SenderFibAddress = (cm->cm_index << 2);
1492 cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys;
1494 /* save a pointer to the command for speedy reverse-lookup */
1495 cm->cm_fib->Header.SenderData = cm->cm_index;
1497 if (cm->cm_flags & AAC_CMD_DATAIN)
1498 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1499 BUS_DMASYNC_PREREAD);
1500 if (cm->cm_flags & AAC_CMD_DATAOUT)
1501 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1502 BUS_DMASYNC_PREWRITE);
1503 cm->cm_flags |= AAC_CMD_MAPPED;
1505 if (sc->flags & AAC_FLAGS_NEW_COMM) {
1506 int count = 10000000L;
1507 while (AAC_SEND_COMMAND(sc, cm) != 0) {
1509 aac_unmap_command(cm);
1510 sc->flags |= AAC_QUEUE_FRZN;
1511 aac_requeue_ready(cm);
1513 DELAY(5); /* wait 5 usec. */
1516 /* Put the FIB on the outbound queue */
1517 if (aac_enqueue_fib(sc, cm->cm_queue, cm) == EBUSY) {
1518 aac_unmap_command(cm);
1519 sc->flags |= AAC_QUEUE_FRZN;
1520 aac_requeue_ready(cm);
1528 * Unmap a command from controller-visible space.
1531 aac_unmap_command(struct aac_command *cm)
1533 struct aac_softc *sc;
1539 if (!(cm->cm_flags & AAC_CMD_MAPPED))
1542 if (cm->cm_datalen != 0) {
1543 if (cm->cm_flags & AAC_CMD_DATAIN)
1544 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1545 BUS_DMASYNC_POSTREAD);
1546 if (cm->cm_flags & AAC_CMD_DATAOUT)
1547 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1548 BUS_DMASYNC_POSTWRITE);
1550 bus_dmamap_unload(sc->aac_buffer_dmat, cm->cm_datamap);
1552 cm->cm_flags &= ~AAC_CMD_MAPPED;
1556 * Hardware Interface
1560 * Initialise the adapter.
1563 aac_common_map(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1565 struct aac_softc *sc;
1569 sc = (struct aac_softc *)arg;
1571 sc->aac_common_busaddr = segs[0].ds_addr;
1575 aac_check_firmware(struct aac_softc *sc)
1577 u_int32_t major, minor, options = 0, atu_size = 0;
1583 * Retrieve the firmware version numbers. Dell PERC2/QC cards with
1584 * firmware version 1.x are not compatible with this driver.
1586 if (sc->flags & AAC_FLAGS_PERC2QC) {
1587 if (aac_sync_command(sc, AAC_MONKER_GETKERNVER, 0, 0, 0, 0,
1589 device_printf(sc->aac_dev,
1590 "Error reading firmware version\n");
1594 /* These numbers are stored as ASCII! */
1595 major = (AAC_GET_MAILBOX(sc, 1) & 0xff) - 0x30;
1596 minor = (AAC_GET_MAILBOX(sc, 2) & 0xff) - 0x30;
1598 device_printf(sc->aac_dev,
1599 "Firmware version %d.%d is not supported.\n",
1606 * Retrieve the capabilities/supported options word so we know what
1607 * work-arounds to enable. Some firmware revs don't support this
1610 if (aac_sync_command(sc, AAC_MONKER_GETINFO, 0, 0, 0, 0, &status)) {
1611 if (status != AAC_SRB_STS_INVALID_REQUEST) {
1612 device_printf(sc->aac_dev,
1613 "RequestAdapterInfo failed\n");
1617 options = AAC_GET_MAILBOX(sc, 1);
1618 atu_size = AAC_GET_MAILBOX(sc, 2);
1619 sc->supported_options = options;
1621 if ((options & AAC_SUPPORTED_4GB_WINDOW) != 0 &&
1622 (sc->flags & AAC_FLAGS_NO4GB) == 0)
1623 sc->flags |= AAC_FLAGS_4GB_WINDOW;
1624 if (options & AAC_SUPPORTED_NONDASD)
1625 sc->flags |= AAC_FLAGS_ENABLE_CAM;
1626 if ((options & AAC_SUPPORTED_SGMAP_HOST64) != 0
1627 && (sizeof(bus_addr_t) > 4)) {
1628 device_printf(sc->aac_dev,
1629 "Enabling 64-bit address support\n");
1630 sc->flags |= AAC_FLAGS_SG_64BIT;
1632 if ((options & AAC_SUPPORTED_NEW_COMM)
1633 && sc->aac_if.aif_send_command)
1634 sc->flags |= AAC_FLAGS_NEW_COMM;
1635 if (options & AAC_SUPPORTED_64BIT_ARRAYSIZE)
1636 sc->flags |= AAC_FLAGS_ARRAY_64BIT;
1639 /* Check for broken hardware that does a lower number of commands */
1640 sc->aac_max_fibs = (sc->flags & AAC_FLAGS_256FIBS ? 256:512);
1642 /* Remap mem. resource, if required */
1643 if ((sc->flags & AAC_FLAGS_NEW_COMM) &&
1644 atu_size > rman_get_size(sc->aac_regs_resource)) {
1645 bus_release_resource(
1646 sc->aac_dev, SYS_RES_MEMORY,
1647 sc->aac_regs_rid, sc->aac_regs_resource);
1648 sc->aac_regs_resource = bus_alloc_resource(
1649 sc->aac_dev, SYS_RES_MEMORY, &sc->aac_regs_rid,
1650 0ul, ~0ul, atu_size, RF_ACTIVE);
1651 if (sc->aac_regs_resource == NULL) {
1652 sc->aac_regs_resource = bus_alloc_resource_any(
1653 sc->aac_dev, SYS_RES_MEMORY,
1654 &sc->aac_regs_rid, RF_ACTIVE);
1655 if (sc->aac_regs_resource == NULL) {
1656 device_printf(sc->aac_dev,
1657 "couldn't allocate register window\n");
1660 sc->flags &= ~AAC_FLAGS_NEW_COMM;
1662 sc->aac_btag = rman_get_bustag(sc->aac_regs_resource);
1663 sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource);
1666 /* Read preferred settings */
1667 sc->aac_max_fib_size = sizeof(struct aac_fib);
1668 sc->aac_max_sectors = 128; /* 64KB */
1669 if (sc->flags & AAC_FLAGS_SG_64BIT)
1670 sc->aac_sg_tablesize = (AAC_FIB_DATASIZE
1671 - sizeof(struct aac_blockwrite64)
1672 + sizeof(struct aac_sg_table64))
1673 / sizeof(struct aac_sg_table64);
1675 sc->aac_sg_tablesize = (AAC_FIB_DATASIZE
1676 - sizeof(struct aac_blockwrite)
1677 + sizeof(struct aac_sg_table))
1678 / sizeof(struct aac_sg_table);
1680 if (!aac_sync_command(sc, AAC_MONKER_GETCOMMPREF, 0, 0, 0, 0, NULL)) {
1681 options = AAC_GET_MAILBOX(sc, 1);
1682 sc->aac_max_fib_size = (options & 0xFFFF);
1683 sc->aac_max_sectors = (options >> 16) << 1;
1684 options = AAC_GET_MAILBOX(sc, 2);
1685 sc->aac_sg_tablesize = (options >> 16);
1686 options = AAC_GET_MAILBOX(sc, 3);
1687 sc->aac_max_fibs = (options & 0xFFFF);
1689 if (sc->aac_max_fib_size > PAGE_SIZE)
1690 sc->aac_max_fib_size = PAGE_SIZE;
1691 sc->aac_max_fibs_alloc = PAGE_SIZE / sc->aac_max_fib_size;
1697 aac_init(struct aac_softc *sc)
1699 struct aac_adapter_init *ip;
1701 u_int32_t code, qoffset;
1707 * First wait for the adapter to come ready.
1711 code = AAC_GET_FWSTATUS(sc);
1712 if (code & AAC_SELF_TEST_FAILED) {
1713 device_printf(sc->aac_dev, "FATAL: selftest failed\n");
1716 if (code & AAC_KERNEL_PANIC) {
1717 device_printf(sc->aac_dev,
1718 "FATAL: controller kernel panic\n");
1721 if (time_uptime > (then + AAC_BOOT_TIMEOUT)) {
1722 device_printf(sc->aac_dev,
1723 "FATAL: controller not coming ready, "
1724 "status %x\n", code);
1727 } while (!(code & AAC_UP_AND_RUNNING));
1731 * Create DMA tag for mapping buffers into controller-addressable space.
1733 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1734 1, 0, /* algnmnt, boundary */
1735 (sc->flags & AAC_FLAGS_SG_64BIT) ?
1737 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
1738 BUS_SPACE_MAXADDR, /* highaddr */
1739 NULL, NULL, /* filter, filterarg */
1740 MAXBSIZE, /* maxsize */
1741 sc->aac_sg_tablesize, /* nsegments */
1742 MAXBSIZE, /* maxsegsize */
1743 BUS_DMA_ALLOCNOW, /* flags */
1744 busdma_lock_mutex, /* lockfunc */
1745 &sc->aac_io_lock, /* lockfuncarg */
1746 &sc->aac_buffer_dmat)) {
1747 device_printf(sc->aac_dev, "can't allocate buffer DMA tag\n");
1752 * Create DMA tag for mapping FIBs into controller-addressable space..
1754 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1755 1, 0, /* algnmnt, boundary */
1756 (sc->flags & AAC_FLAGS_4GB_WINDOW) ?
1757 BUS_SPACE_MAXADDR_32BIT :
1758 0x7fffffff, /* lowaddr */
1759 BUS_SPACE_MAXADDR, /* highaddr */
1760 NULL, NULL, /* filter, filterarg */
1761 sc->aac_max_fibs_alloc *
1762 sc->aac_max_fib_size, /* maxsize */
1764 sc->aac_max_fibs_alloc *
1765 sc->aac_max_fib_size, /* maxsegsize */
1767 NULL, NULL, /* No locking needed */
1768 &sc->aac_fib_dmat)) {
1769 device_printf(sc->aac_dev, "can't allocate FIB DMA tag\n");;
1774 * Create DMA tag for the common structure and allocate it.
1776 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1777 1, 0, /* algnmnt, boundary */
1778 (sc->flags & AAC_FLAGS_4GB_WINDOW) ?
1779 BUS_SPACE_MAXADDR_32BIT :
1780 0x7fffffff, /* lowaddr */
1781 BUS_SPACE_MAXADDR, /* highaddr */
1782 NULL, NULL, /* filter, filterarg */
1783 8192 + sizeof(struct aac_common), /* maxsize */
1785 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
1787 NULL, NULL, /* No locking needed */
1788 &sc->aac_common_dmat)) {
1789 device_printf(sc->aac_dev,
1790 "can't allocate common structure DMA tag\n");
1793 if (bus_dmamem_alloc(sc->aac_common_dmat, (void **)&sc->aac_common,
1794 BUS_DMA_NOWAIT, &sc->aac_common_dmamap)) {
1795 device_printf(sc->aac_dev, "can't allocate common structure\n");
1800 * Work around a bug in the 2120 and 2200 that cannot DMA commands
1801 * below address 8192 in physical memory.
1802 * XXX If the padding is not needed, can it be put to use instead
1805 (void)bus_dmamap_load(sc->aac_common_dmat, sc->aac_common_dmamap,
1806 sc->aac_common, 8192 + sizeof(*sc->aac_common),
1807 aac_common_map, sc, 0);
1809 if (sc->aac_common_busaddr < 8192) {
1810 sc->aac_common = (struct aac_common *)
1811 ((uint8_t *)sc->aac_common + 8192);
1812 sc->aac_common_busaddr += 8192;
1814 bzero(sc->aac_common, sizeof(*sc->aac_common));
1816 /* Allocate some FIBs and associated command structs */
1817 TAILQ_INIT(&sc->aac_fibmap_tqh);
1818 sc->aac_commands = malloc(sc->aac_max_fibs * sizeof(struct aac_command),
1819 M_AACBUF, M_WAITOK|M_ZERO);
1820 while (sc->total_fibs < AAC_PREALLOCATE_FIBS) {
1821 if (aac_alloc_commands(sc) != 0)
1824 if (sc->total_fibs == 0)
1828 * Fill in the init structure. This tells the adapter about the
1829 * physical location of various important shared data structures.
1831 ip = &sc->aac_common->ac_init;
1832 ip->InitStructRevision = AAC_INIT_STRUCT_REVISION;
1833 if (sc->aac_max_fib_size > sizeof(struct aac_fib)) {
1834 ip->InitStructRevision = AAC_INIT_STRUCT_REVISION_4;
1835 sc->flags |= AAC_FLAGS_RAW_IO;
1837 ip->MiniPortRevision = AAC_INIT_STRUCT_MINIPORT_REVISION;
1839 ip->AdapterFibsPhysicalAddress = sc->aac_common_busaddr +
1840 offsetof(struct aac_common, ac_fibs);
1841 ip->AdapterFibsVirtualAddress = 0;
1842 ip->AdapterFibsSize = AAC_ADAPTER_FIBS * sizeof(struct aac_fib);
1843 ip->AdapterFibAlign = sizeof(struct aac_fib);
1845 ip->PrintfBufferAddress = sc->aac_common_busaddr +
1846 offsetof(struct aac_common, ac_printf);
1847 ip->PrintfBufferSize = AAC_PRINTF_BUFSIZE;
1850 * The adapter assumes that pages are 4K in size, except on some
1851 * broken firmware versions that do the page->byte conversion twice,
1852 * therefore 'assuming' that this value is in 16MB units (2^24).
1853 * Round up since the granularity is so high.
1855 ip->HostPhysMemPages = ctob(physmem) / AAC_PAGE_SIZE;
1856 if (sc->flags & AAC_FLAGS_BROKEN_MEMMAP) {
1857 ip->HostPhysMemPages =
1858 (ip->HostPhysMemPages + AAC_PAGE_SIZE) / AAC_PAGE_SIZE;
1860 ip->HostElapsedSeconds = time_uptime; /* reset later if invalid */
1863 if (sc->flags & AAC_FLAGS_NEW_COMM) {
1864 ip->InitFlags = INITFLAGS_NEW_COMM_SUPPORTED;
1865 device_printf(sc->aac_dev, "New comm. interface enabled\n");
1868 ip->MaxIoCommands = sc->aac_max_fibs;
1869 ip->MaxIoSize = sc->aac_max_sectors << 9;
1870 ip->MaxFibSize = sc->aac_max_fib_size;
1873 * Initialise FIB queues. Note that it appears that the layout of the
1874 * indexes and the segmentation of the entries may be mandated by the
1875 * adapter, which is only told about the base of the queue index fields.
1877 * The initial values of the indices are assumed to inform the adapter
1878 * of the sizes of the respective queues, and theoretically it could
1879 * work out the entire layout of the queue structures from this. We
1880 * take the easy route and just lay this area out like everyone else
1883 * The Linux driver uses a much more complex scheme whereby several
1884 * header records are kept for each queue. We use a couple of generic
1885 * list manipulation functions which 'know' the size of each list by
1886 * virtue of a table.
1888 qoffset = offsetof(struct aac_common, ac_qbuf) + AAC_QUEUE_ALIGN;
1889 qoffset &= ~(AAC_QUEUE_ALIGN - 1);
1891 (struct aac_queue_table *)((uintptr_t)sc->aac_common + qoffset);
1892 ip->CommHeaderAddress = sc->aac_common_busaddr + qoffset;
1894 sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
1895 AAC_HOST_NORM_CMD_ENTRIES;
1896 sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
1897 AAC_HOST_NORM_CMD_ENTRIES;
1898 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
1899 AAC_HOST_HIGH_CMD_ENTRIES;
1900 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
1901 AAC_HOST_HIGH_CMD_ENTRIES;
1902 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
1903 AAC_ADAP_NORM_CMD_ENTRIES;
1904 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
1905 AAC_ADAP_NORM_CMD_ENTRIES;
1906 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
1907 AAC_ADAP_HIGH_CMD_ENTRIES;
1908 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
1909 AAC_ADAP_HIGH_CMD_ENTRIES;
1910 sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]=
1911 AAC_HOST_NORM_RESP_ENTRIES;
1912 sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]=
1913 AAC_HOST_NORM_RESP_ENTRIES;
1914 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]=
1915 AAC_HOST_HIGH_RESP_ENTRIES;
1916 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]=
1917 AAC_HOST_HIGH_RESP_ENTRIES;
1918 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]=
1919 AAC_ADAP_NORM_RESP_ENTRIES;
1920 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]=
1921 AAC_ADAP_NORM_RESP_ENTRIES;
1922 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]=
1923 AAC_ADAP_HIGH_RESP_ENTRIES;
1924 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]=
1925 AAC_ADAP_HIGH_RESP_ENTRIES;
1926 sc->aac_qentries[AAC_HOST_NORM_CMD_QUEUE] =
1927 &sc->aac_queues->qt_HostNormCmdQueue[0];
1928 sc->aac_qentries[AAC_HOST_HIGH_CMD_QUEUE] =
1929 &sc->aac_queues->qt_HostHighCmdQueue[0];
1930 sc->aac_qentries[AAC_ADAP_NORM_CMD_QUEUE] =
1931 &sc->aac_queues->qt_AdapNormCmdQueue[0];
1932 sc->aac_qentries[AAC_ADAP_HIGH_CMD_QUEUE] =
1933 &sc->aac_queues->qt_AdapHighCmdQueue[0];
1934 sc->aac_qentries[AAC_HOST_NORM_RESP_QUEUE] =
1935 &sc->aac_queues->qt_HostNormRespQueue[0];
1936 sc->aac_qentries[AAC_HOST_HIGH_RESP_QUEUE] =
1937 &sc->aac_queues->qt_HostHighRespQueue[0];
1938 sc->aac_qentries[AAC_ADAP_NORM_RESP_QUEUE] =
1939 &sc->aac_queues->qt_AdapNormRespQueue[0];
1940 sc->aac_qentries[AAC_ADAP_HIGH_RESP_QUEUE] =
1941 &sc->aac_queues->qt_AdapHighRespQueue[0];
1944 * Do controller-type-specific initialisation
1946 switch (sc->aac_hwif) {
1947 case AAC_HWIF_I960RX:
1948 AAC_SETREG4(sc, AAC_RX_ODBR, ~0);
1951 AAC_SETREG4(sc, AAC_RKT_ODBR, ~0);
1958 * Give the init structure to the controller.
1960 if (aac_sync_command(sc, AAC_MONKER_INITSTRUCT,
1961 sc->aac_common_busaddr +
1962 offsetof(struct aac_common, ac_init), 0, 0, 0,
1964 device_printf(sc->aac_dev,
1965 "error establishing init structure\n");
1976 * Send a synchronous command to the controller and wait for a result.
1977 * Indicate if the controller completed the command with an error status.
1980 aac_sync_command(struct aac_softc *sc, u_int32_t command,
1981 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3,
1989 /* populate the mailbox */
1990 AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3);
1992 /* ensure the sync command doorbell flag is cleared */
1993 AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
1995 /* then set it to signal the adapter */
1996 AAC_QNOTIFY(sc, AAC_DB_SYNC_COMMAND);
1998 /* spin waiting for the command to complete */
2001 if (time_uptime > (then + AAC_IMMEDIATE_TIMEOUT)) {
2002 debug(1, "timed out");
2005 } while (!(AAC_GET_ISTATUS(sc) & AAC_DB_SYNC_COMMAND));
2007 /* clear the completion flag */
2008 AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
2010 /* get the command status */
2011 status = AAC_GET_MAILBOX(sc, 0);
2015 if (status != AAC_SRB_STS_SUCCESS)
2021 aac_sync_fib(struct aac_softc *sc, u_int32_t command, u_int32_t xferstate,
2022 struct aac_fib *fib, u_int16_t datasize)
2025 mtx_assert(&sc->aac_io_lock, MA_OWNED);
2027 if (datasize > AAC_FIB_DATASIZE)
2031 * Set up the sync FIB
2033 fib->Header.XferState = AAC_FIBSTATE_HOSTOWNED |
2034 AAC_FIBSTATE_INITIALISED |
2036 fib->Header.XferState |= xferstate;
2037 fib->Header.Command = command;
2038 fib->Header.StructType = AAC_FIBTYPE_TFIB;
2039 fib->Header.Size = sizeof(struct aac_fib) + datasize;
2040 fib->Header.SenderSize = sizeof(struct aac_fib);
2041 fib->Header.SenderFibAddress = 0; /* Not needed */
2042 fib->Header.ReceiverFibAddress = sc->aac_common_busaddr +
2043 offsetof(struct aac_common,
2047 * Give the FIB to the controller, wait for a response.
2049 if (aac_sync_command(sc, AAC_MONKER_SYNCFIB,
2050 fib->Header.ReceiverFibAddress, 0, 0, 0, NULL)) {
2051 debug(2, "IO error");
2059 * Adapter-space FIB queue manipulation
2061 * Note that the queue implementation here is a little funky; neither the PI or
2062 * CI will ever be zero. This behaviour is a controller feature.
2068 {AAC_HOST_NORM_CMD_ENTRIES, AAC_DB_COMMAND_NOT_FULL},
2069 {AAC_HOST_HIGH_CMD_ENTRIES, 0},
2070 {AAC_ADAP_NORM_CMD_ENTRIES, AAC_DB_COMMAND_READY},
2071 {AAC_ADAP_HIGH_CMD_ENTRIES, 0},
2072 {AAC_HOST_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_NOT_FULL},
2073 {AAC_HOST_HIGH_RESP_ENTRIES, 0},
2074 {AAC_ADAP_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_READY},
2075 {AAC_ADAP_HIGH_RESP_ENTRIES, 0}
2079 * Atomically insert an entry into the nominated queue, returns 0 on success or
2080 * EBUSY if the queue is full.
2082 * Note: it would be more efficient to defer notifying the controller in
2083 * the case where we may be inserting several entries in rapid succession,
2084 * but implementing this usefully may be difficult (it would involve a
2085 * separate queue/notify interface).
2088 aac_enqueue_fib(struct aac_softc *sc, int queue, struct aac_command *cm)
2097 fib_size = cm->cm_fib->Header.Size;
2098 fib_addr = cm->cm_fib->Header.ReceiverFibAddress;
2100 /* get the producer/consumer indices */
2101 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
2102 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
2104 /* wrap the queue? */
2105 if (pi >= aac_qinfo[queue].size)
2108 /* check for queue full */
2109 if ((pi + 1) == ci) {
2115 * To avoid a race with its completion interrupt, place this command on
2116 * the busy queue prior to advertising it to the controller.
2118 aac_enqueue_busy(cm);
2120 /* populate queue entry */
2121 (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size;
2122 (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr;
2124 /* update producer index */
2125 sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1;
2127 /* notify the adapter if we know how */
2128 if (aac_qinfo[queue].notify != 0)
2129 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
2138 * Atomically remove one entry from the nominated queue, returns 0 on
2139 * success or ENOENT if the queue is empty.
2142 aac_dequeue_fib(struct aac_softc *sc, int queue, u_int32_t *fib_size,
2143 struct aac_fib **fib_addr)
2146 u_int32_t fib_index;
2152 /* get the producer/consumer indices */
2153 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
2154 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
2156 /* check for queue empty */
2162 /* wrap the pi so the following test works */
2163 if (pi >= aac_qinfo[queue].size)
2170 /* wrap the queue? */
2171 if (ci >= aac_qinfo[queue].size)
2174 /* fetch the entry */
2175 *fib_size = (sc->aac_qentries[queue] + ci)->aq_fib_size;
2178 case AAC_HOST_NORM_CMD_QUEUE:
2179 case AAC_HOST_HIGH_CMD_QUEUE:
2181 * The aq_fib_addr is only 32 bits wide so it can't be counted
2182 * on to hold an address. For AIF's, the adapter assumes
2183 * that it's giving us an address into the array of AIF fibs.
2184 * Therefore, we have to convert it to an index.
2186 fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr /
2187 sizeof(struct aac_fib);
2188 *fib_addr = &sc->aac_common->ac_fibs[fib_index];
2191 case AAC_HOST_NORM_RESP_QUEUE:
2192 case AAC_HOST_HIGH_RESP_QUEUE:
2194 struct aac_command *cm;
2197 * As above, an index is used instead of an actual address.
2198 * Gotta shift the index to account for the fast response
2199 * bit. No other correction is needed since this value was
2200 * originally provided by the driver via the SenderFibAddress
2203 fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr;
2204 cm = sc->aac_commands + (fib_index >> 2);
2205 *fib_addr = cm->cm_fib;
2208 * Is this a fast response? If it is, update the fib fields in
2209 * local memory since the whole fib isn't DMA'd back up.
2211 if (fib_index & 0x01) {
2212 (*fib_addr)->Header.XferState |= AAC_FIBSTATE_DONEADAP;
2213 *((u_int32_t*)((*fib_addr)->data)) = AAC_ERROR_NORMAL;
2218 panic("Invalid queue in aac_dequeue_fib()");
2222 /* update consumer index */
2223 sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX] = ci + 1;
2225 /* if we have made the queue un-full, notify the adapter */
2226 if (notify && (aac_qinfo[queue].notify != 0))
2227 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
2235 * Put our response to an Adapter Initialed Fib on the response queue
2238 aac_enqueue_response(struct aac_softc *sc, int queue, struct aac_fib *fib)
2247 /* Tell the adapter where the FIB is */
2248 fib_size = fib->Header.Size;
2249 fib_addr = fib->Header.SenderFibAddress;
2250 fib->Header.ReceiverFibAddress = fib_addr;
2252 /* get the producer/consumer indices */
2253 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
2254 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
2256 /* wrap the queue? */
2257 if (pi >= aac_qinfo[queue].size)
2260 /* check for queue full */
2261 if ((pi + 1) == ci) {
2266 /* populate queue entry */
2267 (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size;
2268 (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr;
2270 /* update producer index */
2271 sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1;
2273 /* notify the adapter if we know how */
2274 if (aac_qinfo[queue].notify != 0)
2275 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
2284 * Check for commands that have been outstanding for a suspiciously long time,
2285 * and complain about them.
2288 aac_timeout(struct aac_softc *sc)
2290 struct aac_command *cm;
2295 * Traverse the busy command list, bitch about late commands once
2299 deadline = time_uptime - AAC_CMD_TIMEOUT;
2300 TAILQ_FOREACH(cm, &sc->aac_busy, cm_link) {
2301 if ((cm->cm_timestamp < deadline)
2302 /* && !(cm->cm_flags & AAC_CMD_TIMEDOUT) */) {
2303 cm->cm_flags |= AAC_CMD_TIMEDOUT;
2304 device_printf(sc->aac_dev,
2305 "COMMAND %p TIMEOUT AFTER %d SECONDS\n",
2306 cm, (int)(time_uptime-cm->cm_timestamp));
2307 AAC_PRINT_FIB(sc, cm->cm_fib);
2313 code = AAC_GET_FWSTATUS(sc);
2314 if (code != AAC_UP_AND_RUNNING) {
2315 device_printf(sc->aac_dev, "WARNING! Controller is no "
2316 "longer running! code= 0x%x\n", code);
2323 * Interface Function Vectors
2327 * Read the current firmware status word.
2330 aac_sa_get_fwstatus(struct aac_softc *sc)
2334 return(AAC_GETREG4(sc, AAC_SA_FWSTATUS));
2338 aac_rx_get_fwstatus(struct aac_softc *sc)
2342 return(AAC_GETREG4(sc, AAC_RX_FWSTATUS));
2346 aac_fa_get_fwstatus(struct aac_softc *sc)
2352 val = AAC_GETREG4(sc, AAC_FA_FWSTATUS);
2357 aac_rkt_get_fwstatus(struct aac_softc *sc)
2361 return(AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
2365 * Notify the controller of a change in a given queue
2369 aac_sa_qnotify(struct aac_softc *sc, int qbit)
2373 AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
2377 aac_rx_qnotify(struct aac_softc *sc, int qbit)
2381 AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
2385 aac_fa_qnotify(struct aac_softc *sc, int qbit)
2389 AAC_SETREG2(sc, AAC_FA_DOORBELL1, qbit);
2394 aac_rkt_qnotify(struct aac_softc *sc, int qbit)
2398 AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
2402 * Get the interrupt reason bits
2405 aac_sa_get_istatus(struct aac_softc *sc)
2409 return(AAC_GETREG2(sc, AAC_SA_DOORBELL0));
2413 aac_rx_get_istatus(struct aac_softc *sc)
2417 return(AAC_GETREG4(sc, AAC_RX_ODBR));
2421 aac_fa_get_istatus(struct aac_softc *sc)
2427 val = AAC_GETREG2(sc, AAC_FA_DOORBELL0);
2432 aac_rkt_get_istatus(struct aac_softc *sc)
2436 return(AAC_GETREG4(sc, AAC_RKT_ODBR));
2440 * Clear some interrupt reason bits
2443 aac_sa_clear_istatus(struct aac_softc *sc, int mask)
2447 AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
2451 aac_rx_clear_istatus(struct aac_softc *sc, int mask)
2455 AAC_SETREG4(sc, AAC_RX_ODBR, mask);
2459 aac_fa_clear_istatus(struct aac_softc *sc, int mask)
2463 AAC_SETREG2(sc, AAC_FA_DOORBELL0_CLEAR, mask);
2468 aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
2472 AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
2476 * Populate the mailbox and set the command word
2479 aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
2480 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2484 AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
2485 AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
2486 AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
2487 AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
2488 AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
2492 aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
2493 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2497 AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
2498 AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
2499 AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
2500 AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
2501 AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
2505 aac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command,
2506 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2510 AAC_SETREG4(sc, AAC_FA_MAILBOX, command);
2512 AAC_SETREG4(sc, AAC_FA_MAILBOX + 4, arg0);
2514 AAC_SETREG4(sc, AAC_FA_MAILBOX + 8, arg1);
2516 AAC_SETREG4(sc, AAC_FA_MAILBOX + 12, arg2);
2518 AAC_SETREG4(sc, AAC_FA_MAILBOX + 16, arg3);
2523 aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0,
2524 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2528 AAC_SETREG4(sc, AAC_RKT_MAILBOX, command);
2529 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
2530 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
2531 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
2532 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
2536 * Fetch the immediate command status word
2539 aac_sa_get_mailbox(struct aac_softc *sc, int mb)
2543 return(AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
2547 aac_rx_get_mailbox(struct aac_softc *sc, int mb)
2551 return(AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
2555 aac_fa_get_mailbox(struct aac_softc *sc, int mb)
2561 val = AAC_GETREG4(sc, AAC_FA_MAILBOX + (mb * 4));
2566 aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
2570 return(AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
2574 * Set/clear interrupt masks
2577 aac_sa_set_interrupts(struct aac_softc *sc, int enable)
2579 debug(2, "%sable interrupts", enable ? "en" : "dis");
2582 AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
2584 AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
2589 aac_rx_set_interrupts(struct aac_softc *sc, int enable)
2591 debug(2, "%sable interrupts", enable ? "en" : "dis");
2594 if (sc->flags & AAC_FLAGS_NEW_COMM)
2595 AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INT_NEW_COMM);
2597 AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
2599 AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
2604 aac_fa_set_interrupts(struct aac_softc *sc, int enable)
2606 debug(2, "%sable interrupts", enable ? "en" : "dis");
2609 AAC_SETREG2((sc), AAC_FA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
2612 AAC_SETREG2((sc), AAC_FA_MASK0, ~0);
2618 aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
2620 debug(2, "%sable interrupts", enable ? "en" : "dis");
2623 if (sc->flags & AAC_FLAGS_NEW_COMM)
2624 AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
2626 AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
2628 AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
2633 * New comm. interface: Send command functions
2636 aac_rx_send_command(struct aac_softc *sc, struct aac_command *cm)
2638 u_int32_t index, device;
2640 debug(2, "send command (new comm.)");
2642 index = AAC_GETREG4(sc, AAC_RX_IQUE);
2643 if (index == 0xffffffffL)
2644 index = AAC_GETREG4(sc, AAC_RX_IQUE);
2645 if (index == 0xffffffffL)
2647 aac_enqueue_busy(cm);
2649 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys & 0xffffffffUL));
2651 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys >> 32));
2653 AAC_SETREG4(sc, device, cm->cm_fib->Header.Size);
2654 AAC_SETREG4(sc, AAC_RX_IQUE, index);
2659 aac_rkt_send_command(struct aac_softc *sc, struct aac_command *cm)
2661 u_int32_t index, device;
2663 debug(2, "send command (new comm.)");
2665 index = AAC_GETREG4(sc, AAC_RKT_IQUE);
2666 if (index == 0xffffffffL)
2667 index = AAC_GETREG4(sc, AAC_RKT_IQUE);
2668 if (index == 0xffffffffL)
2670 aac_enqueue_busy(cm);
2672 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys & 0xffffffffUL));
2674 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys >> 32));
2676 AAC_SETREG4(sc, device, cm->cm_fib->Header.Size);
2677 AAC_SETREG4(sc, AAC_RKT_IQUE, index);
2682 * New comm. interface: get, set outbound queue index
2685 aac_rx_get_outb_queue(struct aac_softc *sc)
2689 return(AAC_GETREG4(sc, AAC_RX_OQUE));
2693 aac_rkt_get_outb_queue(struct aac_softc *sc)
2697 return(AAC_GETREG4(sc, AAC_RKT_OQUE));
2701 aac_rx_set_outb_queue(struct aac_softc *sc, int index)
2705 AAC_SETREG4(sc, AAC_RX_OQUE, index);
2709 aac_rkt_set_outb_queue(struct aac_softc *sc, int index)
2713 AAC_SETREG4(sc, AAC_RKT_OQUE, index);
2717 * Debugging and Diagnostics
2721 * Print some information about the controller.
2724 aac_describe_controller(struct aac_softc *sc)
2726 struct aac_fib *fib;
2727 struct aac_adapter_info *info;
2731 mtx_lock(&sc->aac_io_lock);
2732 aac_alloc_sync_fib(sc, &fib);
2735 if (aac_sync_fib(sc, RequestAdapterInfo, 0, fib, 1)) {
2736 device_printf(sc->aac_dev, "RequestAdapterInfo failed\n");
2737 aac_release_sync_fib(sc);
2738 mtx_unlock(&sc->aac_io_lock);
2742 /* save the kernel revision structure for later use */
2743 info = (struct aac_adapter_info *)&fib->data[0];
2744 sc->aac_revision = info->KernelRevision;
2746 device_printf(sc->aac_dev, "Adaptec Raid Controller %d.%d.%d-%d\n",
2747 AAC_DRIVER_VERSION >> 24,
2748 (AAC_DRIVER_VERSION >> 16) & 0xFF,
2749 AAC_DRIVER_VERSION & 0xFF,
2753 device_printf(sc->aac_dev, "%s %dMHz, %dMB memory "
2754 "(%dMB cache, %dMB execution), %s\n",
2755 aac_describe_code(aac_cpu_variant, info->CpuVariant),
2756 info->ClockSpeed, info->TotalMem / (1024 * 1024),
2757 info->BufferMem / (1024 * 1024),
2758 info->ExecutionMem / (1024 * 1024),
2759 aac_describe_code(aac_battery_platform,
2760 info->batteryPlatform));
2762 device_printf(sc->aac_dev,
2763 "Kernel %d.%d-%d, Build %d, S/N %6X\n",
2764 info->KernelRevision.external.comp.major,
2765 info->KernelRevision.external.comp.minor,
2766 info->KernelRevision.external.comp.dash,
2767 info->KernelRevision.buildNumber,
2768 (u_int32_t)(info->SerialNumber & 0xffffff));
2770 device_printf(sc->aac_dev, "Supported Options=%b\n",
2771 sc->supported_options,
2793 aac_release_sync_fib(sc);
2794 mtx_unlock(&sc->aac_io_lock);
2798 * Look up a text description of a numeric error code and return a pointer to
2802 aac_describe_code(struct aac_code_lookup *table, u_int32_t code)
2806 for (i = 0; table[i].string != NULL; i++)
2807 if (table[i].code == code)
2808 return(table[i].string);
2809 return(table[i + 1].string);
2813 * Management Interface
2817 aac_open(struct cdev *dev, int flags, int fmt, d_thread_t *td)
2819 struct aac_softc *sc;
2825 /* Check to make sure the device isn't already open */
2826 if (sc->aac_state & AAC_STATE_OPEN) {
2829 sc->aac_state |= AAC_STATE_OPEN;
2835 aac_close(struct cdev *dev, int flags, int fmt, d_thread_t *td)
2837 struct aac_softc *sc;
2843 /* Mark this unit as no longer open */
2844 sc->aac_state &= ~AAC_STATE_OPEN;
2850 aac_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, d_thread_t *td)
2852 union aac_statrequest *as;
2853 struct aac_softc *sc;
2859 as = (union aac_statrequest *)arg;
2864 switch (as->as_item) {
2869 bcopy(&sc->aac_qstat[as->as_item], &as->as_qstat,
2870 sizeof(struct aac_qstat));
2878 case FSACTL_SENDFIB:
2879 arg = *(caddr_t*)arg;
2880 case FSACTL_LNX_SENDFIB:
2881 debug(1, "FSACTL_SENDFIB");
2882 error = aac_ioctl_sendfib(sc, arg);
2884 case FSACTL_AIF_THREAD:
2885 case FSACTL_LNX_AIF_THREAD:
2886 debug(1, "FSACTL_AIF_THREAD");
2889 case FSACTL_OPEN_GET_ADAPTER_FIB:
2890 arg = *(caddr_t*)arg;
2891 case FSACTL_LNX_OPEN_GET_ADAPTER_FIB:
2892 debug(1, "FSACTL_OPEN_GET_ADAPTER_FIB");
2894 * Pass the caller out an AdapterFibContext.
2896 * Note that because we only support one opener, we
2897 * basically ignore this. Set the caller's context to a magic
2898 * number just in case.
2900 * The Linux code hands the driver a pointer into kernel space,
2901 * and then trusts it when the caller hands it back. Aiee!
2902 * Here, we give it the proc pointer of the per-adapter aif
2903 * thread. It's only used as a sanity check in other calls.
2905 cookie = (uint32_t)(uintptr_t)sc->aifthread;
2906 error = copyout(&cookie, arg, sizeof(cookie));
2908 case FSACTL_GET_NEXT_ADAPTER_FIB:
2909 arg = *(caddr_t*)arg;
2910 case FSACTL_LNX_GET_NEXT_ADAPTER_FIB:
2911 debug(1, "FSACTL_GET_NEXT_ADAPTER_FIB");
2912 error = aac_getnext_aif(sc, arg);
2914 case FSACTL_CLOSE_GET_ADAPTER_FIB:
2915 case FSACTL_LNX_CLOSE_GET_ADAPTER_FIB:
2916 debug(1, "FSACTL_CLOSE_GET_ADAPTER_FIB");
2917 /* don't do anything here */
2919 case FSACTL_MINIPORT_REV_CHECK:
2920 arg = *(caddr_t*)arg;
2921 case FSACTL_LNX_MINIPORT_REV_CHECK:
2922 debug(1, "FSACTL_MINIPORT_REV_CHECK");
2923 error = aac_rev_check(sc, arg);
2925 case FSACTL_QUERY_DISK:
2926 arg = *(caddr_t*)arg;
2927 case FSACTL_LNX_QUERY_DISK:
2928 debug(1, "FSACTL_QUERY_DISK");
2929 error = aac_query_disk(sc, arg);
2931 case FSACTL_DELETE_DISK:
2932 case FSACTL_LNX_DELETE_DISK:
2934 * We don't trust the underland to tell us when to delete a
2935 * container, rather we rely on an AIF coming from the
2940 case FSACTL_GET_PCI_INFO:
2941 arg = *(caddr_t*)arg;
2942 case FSACTL_LNX_GET_PCI_INFO:
2943 debug(1, "FSACTL_GET_PCI_INFO");
2944 error = aac_get_pci_info(sc, arg);
2947 debug(1, "unsupported cmd 0x%lx\n", cmd);
2955 aac_poll(struct cdev *dev, int poll_events, d_thread_t *td)
2957 struct aac_softc *sc;
2963 mtx_lock(&sc->aac_aifq_lock);
2964 if ((poll_events & (POLLRDNORM | POLLIN)) != 0) {
2965 if (sc->aac_aifq_tail != sc->aac_aifq_head)
2966 revents |= poll_events & (POLLIN | POLLRDNORM);
2968 mtx_unlock(&sc->aac_aifq_lock);
2971 if (poll_events & (POLLIN | POLLRDNORM))
2972 selrecord(td, &sc->rcv_select);
2979 aac_ioctl_event(struct aac_softc *sc, struct aac_event *event, void *arg)
2982 switch (event->ev_type) {
2983 case AAC_EVENT_CMFREE:
2984 mtx_lock(&sc->aac_io_lock);
2985 if (aac_alloc_command(sc, (struct aac_command **)arg) == 0) {
2986 aac_add_event(sc, event);
2987 mtx_unlock(&sc->aac_io_lock);
2990 free(event, M_AACBUF);
2992 mtx_unlock(&sc->aac_io_lock);
3000 * Send a FIB supplied from userspace
3003 aac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib)
3005 struct aac_command *cm;
3015 mtx_lock(&sc->aac_io_lock);
3016 if (aac_alloc_command(sc, &cm)) {
3017 struct aac_event *event;
3019 event = malloc(sizeof(struct aac_event), M_AACBUF,
3021 if (event == NULL) {
3025 event->ev_type = AAC_EVENT_CMFREE;
3026 event->ev_callback = aac_ioctl_event;
3027 event->ev_arg = &cm;
3028 aac_add_event(sc, event);
3029 msleep(&cm, &sc->aac_io_lock, 0, "sendfib", 0);
3033 * Fetch the FIB header, then re-copy to get data as well.
3035 if ((error = copyin(ufib, cm->cm_fib,
3036 sizeof(struct aac_fib_header))) != 0)
3038 size = cm->cm_fib->Header.Size + sizeof(struct aac_fib_header);
3039 if (size > sizeof(struct aac_fib)) {
3040 device_printf(sc->aac_dev, "incoming FIB oversized (%d > %zd)\n",
3041 size, sizeof(struct aac_fib));
3042 size = sizeof(struct aac_fib);
3044 if ((error = copyin(ufib, cm->cm_fib, size)) != 0)
3046 cm->cm_fib->Header.Size = size;
3047 cm->cm_timestamp = time_uptime;
3050 * Pass the FIB to the controller, wait for it to complete.
3052 if ((error = aac_wait_command(cm)) != 0) {
3053 device_printf(sc->aac_dev,
3054 "aac_wait_command return %d\n", error);
3059 * Copy the FIB and data back out to the caller.
3061 size = cm->cm_fib->Header.Size;
3062 if (size > sizeof(struct aac_fib)) {
3063 device_printf(sc->aac_dev, "outbound FIB oversized (%d > %zd)\n",
3064 size, sizeof(struct aac_fib));
3065 size = sizeof(struct aac_fib);
3067 error = copyout(cm->cm_fib, ufib, size);
3071 aac_release_command(cm);
3074 mtx_unlock(&sc->aac_io_lock);
3079 * Handle an AIF sent to us by the controller; queue it for later reference.
3080 * If the queue fills up, then drop the older entries.
3083 aac_handle_aif(struct aac_softc *sc, struct aac_fib *fib)
3085 struct aac_aif_command *aif;
3086 struct aac_container *co, *co_next;
3087 struct aac_mntinfo *mi;
3088 struct aac_mntinforesp *mir = NULL;
3091 int count = 0, added = 0, i = 0;
3095 aif = (struct aac_aif_command*)&fib->data[0];
3096 aac_print_aif(sc, aif);
3098 /* Is it an event that we should care about? */
3099 switch (aif->command) {
3100 case AifCmdEventNotify:
3101 switch (aif->data.EN.type) {
3102 case AifEnAddContainer:
3103 case AifEnDeleteContainer:
3105 * A container was added or deleted, but the message
3106 * doesn't tell us anything else! Re-enumerate the
3107 * containers and sort things out.
3109 aac_alloc_sync_fib(sc, &fib);
3110 mi = (struct aac_mntinfo *)&fib->data[0];
3113 * Ask the controller for its containers one at
3115 * XXX What if the controller's list changes
3116 * midway through this enumaration?
3117 * XXX This should be done async.
3119 bzero(mi, sizeof(struct aac_mntinfo));
3120 mi->Command = VM_NameServe;
3121 mi->MntType = FT_FILESYS;
3123 rsize = sizeof(mir);
3124 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
3125 sizeof(struct aac_mntinfo))) {
3126 printf("Error probing container %d\n",
3130 mir = (struct aac_mntinforesp *)&fib->data[0];
3131 /* XXX Need to check if count changed */
3132 count = mir->MntRespCount;
3134 * Check the container against our list.
3135 * co->co_found was already set to 0 in a
3138 if ((mir->Status == ST_OK) &&
3139 (mir->MntTable[0].VolType != CT_NONE)) {
3142 &sc->aac_container_tqh,
3144 if (co->co_mntobj.ObjectId ==
3145 mir->MntTable[0].ObjectId) {
3152 * If the container matched, continue
3161 * This is a new container. Do all the
3162 * appropriate things to set it up.
3164 aac_add_container(sc, mir, 1);
3168 } while ((i < count) && (i < AAC_MAX_CONTAINERS));
3169 aac_release_sync_fib(sc);
3172 * Go through our list of containers and see which ones
3173 * were not marked 'found'. Since the controller didn't
3174 * list them they must have been deleted. Do the
3175 * appropriate steps to destroy the device. Also reset
3176 * the co->co_found field.
3178 co = TAILQ_FIRST(&sc->aac_container_tqh);
3179 while (co != NULL) {
3180 if (co->co_found == 0) {
3181 mtx_unlock(&sc->aac_io_lock);
3183 device_delete_child(sc->aac_dev,
3186 mtx_lock(&sc->aac_io_lock);
3187 co_next = TAILQ_NEXT(co, co_link);
3188 mtx_lock(&sc->aac_container_lock);
3189 TAILQ_REMOVE(&sc->aac_container_tqh, co,
3191 mtx_unlock(&sc->aac_container_lock);
3196 co = TAILQ_NEXT(co, co_link);
3200 /* Attach the newly created containers */
3202 mtx_unlock(&sc->aac_io_lock);
3204 bus_generic_attach(sc->aac_dev);
3206 mtx_lock(&sc->aac_io_lock);
3219 /* Copy the AIF data to the AIF queue for ioctl retrieval */
3220 mtx_lock(&sc->aac_aifq_lock);
3221 next = (sc->aac_aifq_head + 1) % AAC_AIFQ_LENGTH;
3222 if (next != sc->aac_aifq_tail) {
3223 bcopy(aif, &sc->aac_aifq[next], sizeof(struct aac_aif_command));
3224 sc->aac_aifq_head = next;
3226 /* On the off chance that someone is sleeping for an aif... */
3227 if (sc->aac_state & AAC_STATE_AIF_SLEEPER)
3228 wakeup(sc->aac_aifq);
3229 /* Wakeup any poll()ers */
3230 selwakeuppri(&sc->rcv_select, PRIBIO);
3232 mtx_unlock(&sc->aac_aifq_lock);
3238 * Return the Revision of the driver to userspace and check to see if the
3239 * userspace app is possibly compatible. This is extremely bogus since
3240 * our driver doesn't follow Adaptec's versioning system. Cheat by just
3241 * returning what the card reported.
3244 aac_rev_check(struct aac_softc *sc, caddr_t udata)
3246 struct aac_rev_check rev_check;
3247 struct aac_rev_check_resp rev_check_resp;
3253 * Copyin the revision struct from userspace
3255 if ((error = copyin(udata, (caddr_t)&rev_check,
3256 sizeof(struct aac_rev_check))) != 0) {
3260 debug(2, "Userland revision= %d\n",
3261 rev_check.callingRevision.buildNumber);
3264 * Doctor up the response struct.
3266 rev_check_resp.possiblyCompatible = 1;
3267 rev_check_resp.adapterSWRevision.external.ul =
3268 sc->aac_revision.external.ul;
3269 rev_check_resp.adapterSWRevision.buildNumber =
3270 sc->aac_revision.buildNumber;
3272 return(copyout((caddr_t)&rev_check_resp, udata,
3273 sizeof(struct aac_rev_check_resp)));
3277 * Pass the caller the next AIF in their queue
3280 aac_getnext_aif(struct aac_softc *sc, caddr_t arg)
3282 struct get_adapter_fib_ioctl agf;
3287 if ((error = copyin(arg, &agf, sizeof(agf))) == 0) {
3290 * Check the magic number that we gave the caller.
3292 if (agf.AdapterFibContext != (int)(uintptr_t)sc->aifthread) {
3295 error = aac_return_aif(sc, agf.AifFib);
3296 if ((error == EAGAIN) && (agf.Wait)) {
3297 sc->aac_state |= AAC_STATE_AIF_SLEEPER;
3298 while (error == EAGAIN) {
3299 error = tsleep(sc->aac_aifq, PRIBIO |
3300 PCATCH, "aacaif", 0);
3302 error = aac_return_aif(sc,
3305 sc->aac_state &= ~AAC_STATE_AIF_SLEEPER;
3313 * Hand the next AIF off the top of the queue out to userspace.
3316 aac_return_aif(struct aac_softc *sc, caddr_t uptr)
3322 mtx_lock(&sc->aac_aifq_lock);
3323 if (sc->aac_aifq_tail == sc->aac_aifq_head) {
3324 mtx_unlock(&sc->aac_aifq_lock);
3328 next = (sc->aac_aifq_tail + 1) % AAC_AIFQ_LENGTH;
3329 error = copyout(&sc->aac_aifq[next], uptr,
3330 sizeof(struct aac_aif_command));
3332 device_printf(sc->aac_dev,
3333 "aac_return_aif: copyout returned %d\n", error);
3335 sc->aac_aifq_tail = next;
3337 mtx_unlock(&sc->aac_aifq_lock);
3342 aac_get_pci_info(struct aac_softc *sc, caddr_t uptr)
3344 struct aac_pci_info {
3352 pciinf.bus = pci_get_bus(sc->aac_dev);
3353 pciinf.slot = pci_get_slot(sc->aac_dev);
3355 error = copyout((caddr_t)&pciinf, uptr,
3356 sizeof(struct aac_pci_info));
3362 * Give the userland some information about the container. The AAC arch
3363 * expects the driver to be a SCSI passthrough type driver, so it expects
3364 * the containers to have b:t:l numbers. Fake it.
3367 aac_query_disk(struct aac_softc *sc, caddr_t uptr)
3369 struct aac_query_disk query_disk;
3370 struct aac_container *co;
3371 struct aac_disk *disk;
3378 error = copyin(uptr, (caddr_t)&query_disk,
3379 sizeof(struct aac_query_disk));
3383 id = query_disk.ContainerNumber;
3387 mtx_lock(&sc->aac_container_lock);
3388 TAILQ_FOREACH(co, &sc->aac_container_tqh, co_link) {
3389 if (co->co_mntobj.ObjectId == id)
3394 query_disk.Valid = 0;
3395 query_disk.Locked = 0;
3396 query_disk.Deleted = 1; /* XXX is this right? */
3398 disk = device_get_softc(co->co_disk);
3399 query_disk.Valid = 1;
3401 (disk->ad_flags & AAC_DISK_OPEN) ? 1 : 0;
3402 query_disk.Deleted = 0;
3403 query_disk.Bus = device_get_unit(sc->aac_dev);
3404 query_disk.Target = disk->unit;
3406 query_disk.UnMapped = 0;
3407 sprintf(&query_disk.diskDeviceName[0], "%s%d",
3408 disk->ad_disk->d_name, disk->ad_disk->d_unit);
3410 mtx_unlock(&sc->aac_container_lock);
3412 error = copyout((caddr_t)&query_disk, uptr,
3413 sizeof(struct aac_query_disk));
3419 aac_get_bus_info(struct aac_softc *sc)
3421 struct aac_fib *fib;
3422 struct aac_ctcfg *c_cmd;
3423 struct aac_ctcfg_resp *c_resp;
3424 struct aac_vmioctl *vmi;
3425 struct aac_vmi_businf_resp *vmi_resp;
3426 struct aac_getbusinf businfo;
3427 struct aac_sim *caminf;
3429 int i, found, error;
3431 mtx_lock(&sc->aac_io_lock);
3432 aac_alloc_sync_fib(sc, &fib);
3433 c_cmd = (struct aac_ctcfg *)&fib->data[0];
3434 bzero(c_cmd, sizeof(struct aac_ctcfg));
3436 c_cmd->Command = VM_ContainerConfig;
3437 c_cmd->cmd = CT_GET_SCSI_METHOD;
3440 error = aac_sync_fib(sc, ContainerCommand, 0, fib,
3441 sizeof(struct aac_ctcfg));
3443 device_printf(sc->aac_dev, "Error %d sending "
3444 "VM_ContainerConfig command\n", error);
3445 aac_release_sync_fib(sc);
3446 mtx_unlock(&sc->aac_io_lock);
3450 c_resp = (struct aac_ctcfg_resp *)&fib->data[0];
3451 if (c_resp->Status != ST_OK) {
3452 device_printf(sc->aac_dev, "VM_ContainerConfig returned 0x%x\n",
3454 aac_release_sync_fib(sc);
3455 mtx_unlock(&sc->aac_io_lock);
3459 sc->scsi_method_id = c_resp->param;
3461 vmi = (struct aac_vmioctl *)&fib->data[0];
3462 bzero(vmi, sizeof(struct aac_vmioctl));
3464 vmi->Command = VM_Ioctl;
3465 vmi->ObjType = FT_DRIVE;
3466 vmi->MethId = sc->scsi_method_id;
3468 vmi->IoctlCmd = GetBusInfo;
3470 error = aac_sync_fib(sc, ContainerCommand, 0, fib,
3471 sizeof(struct aac_vmioctl));
3473 device_printf(sc->aac_dev, "Error %d sending VMIoctl command\n",
3475 aac_release_sync_fib(sc);
3476 mtx_unlock(&sc->aac_io_lock);
3480 vmi_resp = (struct aac_vmi_businf_resp *)&fib->data[0];
3481 if (vmi_resp->Status != ST_OK) {
3482 device_printf(sc->aac_dev, "VM_Ioctl returned %d\n",
3484 aac_release_sync_fib(sc);
3485 mtx_unlock(&sc->aac_io_lock);
3489 bcopy(&vmi_resp->BusInf, &businfo, sizeof(struct aac_getbusinf));
3490 aac_release_sync_fib(sc);
3491 mtx_unlock(&sc->aac_io_lock);
3494 for (i = 0; i < businfo.BusCount; i++) {
3495 if (businfo.BusValid[i] != AAC_BUS_VALID)
3498 caminf = (struct aac_sim *)malloc( sizeof(struct aac_sim),
3499 M_AACBUF, M_NOWAIT | M_ZERO);
3500 if (caminf == NULL) {
3501 device_printf(sc->aac_dev,
3502 "No memory to add passthrough bus %d\n", i);
3506 child = device_add_child(sc->aac_dev, "aacp", -1);
3507 if (child == NULL) {
3508 device_printf(sc->aac_dev,
3509 "device_add_child failed for passthrough bus %d\n",
3511 free(caminf, M_AACBUF);
3515 caminf->TargetsPerBus = businfo.TargetsPerBus;
3516 caminf->BusNumber = i;
3517 caminf->InitiatorBusId = businfo.InitiatorBusId[i];
3518 caminf->aac_sc = sc;
3519 caminf->sim_dev = child;
3521 device_set_ivars(child, caminf);
3522 device_set_desc(child, "SCSI Passthrough Bus");
3523 TAILQ_INSERT_TAIL(&sc->aac_sim_tqh, caminf, sim_link);
3529 bus_generic_attach(sc->aac_dev);