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 $
33 * Driver for the Adaptec 'FSA' family of PCI/SCSI RAID adapters.
35 #define AAC_DRIVER_VERSION 0x02000000
36 #define AAC_DRIVERNAME "aac"
40 /* #include <stddef.h> */
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/malloc.h>
44 #include <sys/kernel.h>
45 #include <sys/kthread.h>
46 #include <sys/sysctl.h>
47 #include <sys/event.h>
51 #include <sys/devicestat.h>
53 #include <sys/signalvar.h>
55 #include <sys/eventhandler.h>
58 #include <sys/mplock2.h>
60 #include <bus/pci/pcireg.h>
61 #include <bus/pci/pcivar.h>
64 #include "aac_ioctl.h"
66 #include "aac_tables.h"
68 static void aac_startup(void *arg);
69 static void aac_add_container(struct aac_softc *sc,
70 struct aac_mntinforesp *mir, int f);
71 static void aac_get_bus_info(struct aac_softc *sc);
72 static int aac_shutdown(device_t dev);
74 /* Command Processing */
75 static void aac_timeout(void *ssc);
76 static int aac_map_command(struct aac_command *cm);
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(void *arg);
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_kqfilter_t aac_kqfilter;
215 static void aac_filter_detach(struct knote *kn);
216 static int aac_filter(struct knote *kn, long hint);
217 static int aac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib) __unused;
218 static void aac_handle_aif(struct aac_softc *sc,
219 struct aac_fib *fib);
220 static int aac_rev_check(struct aac_softc *sc, caddr_t udata);
221 static int aac_getnext_aif(struct aac_softc *sc, caddr_t arg);
222 static int aac_return_aif(struct aac_softc *sc, caddr_t uptr);
223 static int aac_query_disk(struct aac_softc *sc, caddr_t uptr);
224 static int aac_get_pci_info(struct aac_softc *sc, caddr_t uptr);
225 static void aac_ioctl_event(struct aac_softc *sc,
226 struct aac_event *event, void *arg);
227 static struct dev_ops aac_ops = {
230 .d_close = aac_close,
231 .d_ioctl = aac_ioctl,
232 .d_kqfilter = aac_kqfilter
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,
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, 0,
319 aac_fast_intr, sc, &sc->aac_intr, NULL)) {
320 device_printf(sc->aac_dev,
321 "can't set up FAST interrupt\n");
322 if (bus_setup_intr(sc->aac_dev, sc->aac_irq,
324 sc, &sc->aac_intr, NULL)) {
325 device_printf(sc->aac_dev,
326 "can't set up MPSAFE interrupt\n");
333 * Print a little information about the controller.
335 aac_describe_controller(sc);
338 * Register to probe our containers later.
340 sc->aac_ich.ich_func = aac_startup;
341 sc->aac_ich.ich_arg = sc;
342 sc->aac_ich.ich_desc = "aac";
343 if (config_intrhook_establish(&sc->aac_ich) != 0) {
344 device_printf(sc->aac_dev,
345 "can't establish configuration hook\n");
350 * Make the control device.
352 unit = device_get_unit(sc->aac_dev);
353 sc->aac_dev_t = make_dev(&aac_ops, unit, UID_ROOT, GID_OPERATOR,
354 0640, "aac%d", unit);
355 sc->aac_dev_t->si_drv1 = sc;
356 reference_dev(sc->aac_dev_t);
358 /* Create the AIF thread */
359 if (kthread_create(aac_command_thread, sc,
360 &sc->aifthread, "aac%daif", unit))
361 panic("Could not create AIF thread\n");
363 /* Register the shutdown method to only be called post-dump */
364 if ((sc->eh = EVENTHANDLER_REGISTER(shutdown_post_sync, aac_shutdown,
365 sc->aac_dev, SHUTDOWN_PRI_DRIVER)) == NULL)
366 device_printf(sc->aac_dev,
367 "shutdown event registration failed\n");
369 /* Register with CAM for the non-DASD devices */
370 if ((sc->flags & AAC_FLAGS_ENABLE_CAM) != 0) {
371 TAILQ_INIT(&sc->aac_sim_tqh);
372 aac_get_bus_info(sc);
379 aac_add_event(struct aac_softc *sc, struct aac_event *event)
382 switch (event->ev_type & AAC_EVENT_MASK) {
383 case AAC_EVENT_CMFREE:
384 TAILQ_INSERT_TAIL(&sc->aac_ev_cmfree, event, ev_links);
387 device_printf(sc->aac_dev, "aac_add event: unknown event %d\n",
396 * Probe for containers, create disks.
399 aac_startup(void *arg)
401 struct aac_softc *sc;
403 struct aac_mntinfo *mi;
404 struct aac_mntinforesp *mir = NULL;
405 int count = 0, i = 0;
409 sc = (struct aac_softc *)arg;
411 /* disconnect ourselves from the intrhook chain */
412 config_intrhook_disestablish(&sc->aac_ich);
414 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
415 aac_alloc_sync_fib(sc, &fib);
416 mi = (struct aac_mntinfo *)&fib->data[0];
418 /* loop over possible containers */
420 /* request information on this container */
421 bzero(mi, sizeof(struct aac_mntinfo));
422 mi->Command = VM_NameServe;
423 mi->MntType = FT_FILESYS;
425 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
426 sizeof(struct aac_mntinfo))) {
427 device_printf(sc->aac_dev,
428 "error probing container %d", i);
433 mir = (struct aac_mntinforesp *)&fib->data[0];
434 /* XXX Need to check if count changed */
435 count = mir->MntRespCount;
436 aac_add_container(sc, mir, 0);
438 } while ((i < count) && (i < AAC_MAX_CONTAINERS));
440 aac_release_sync_fib(sc);
441 AAC_LOCK_RELEASE(&sc->aac_io_lock);
443 /* poke the bus to actually attach the child devices */
444 if (bus_generic_attach(sc->aac_dev))
445 device_printf(sc->aac_dev, "bus_generic_attach failed\n");
447 /* mark the controller up */
448 sc->aac_state &= ~AAC_STATE_SUSPEND;
450 /* enable interrupts now */
451 AAC_UNMASK_INTERRUPTS(sc);
455 * Create a device to respresent a new container
458 aac_add_container(struct aac_softc *sc, struct aac_mntinforesp *mir, int f)
460 struct aac_container *co;
464 * Check container volume type for validity. Note that many of
465 * the possible types may never show up.
467 if ((mir->Status == ST_OK) && (mir->MntTable[0].VolType != CT_NONE)) {
468 co = (struct aac_container *)kmalloc(sizeof *co, M_AACBUF,
470 debug(1, "id %x name '%.16s' size %u type %d",
471 mir->MntTable[0].ObjectId,
472 mir->MntTable[0].FileSystemName,
473 mir->MntTable[0].Capacity, mir->MntTable[0].VolType);
475 if ((child = device_add_child(sc->aac_dev, "aacd", -1)) == NULL)
476 device_printf(sc->aac_dev, "device_add_child failed\n");
478 device_set_ivars(child, co);
479 device_set_desc(child, aac_describe_code(aac_container_types,
480 mir->MntTable[0].VolType));
483 bcopy(&mir->MntTable[0], &co->co_mntobj,
484 sizeof(struct aac_mntobj));
485 AAC_LOCK_ACQUIRE(&sc->aac_container_lock);
486 TAILQ_INSERT_TAIL(&sc->aac_container_tqh, co, co_link);
487 AAC_LOCK_RELEASE(&sc->aac_container_lock);
492 * Free all of the resources associated with (sc)
494 * Should not be called if the controller is active.
497 aac_free(struct aac_softc *sc)
502 /* remove the control device */
503 if (sc->aac_dev_t != NULL)
504 destroy_dev(sc->aac_dev_t);
506 /* throw away any FIB buffers, discard the FIB DMA tag */
507 aac_free_commands(sc);
508 if (sc->aac_fib_dmat)
509 bus_dma_tag_destroy(sc->aac_fib_dmat);
511 kfree(sc->aac_commands, M_AACBUF);
513 /* destroy the common area */
514 if (sc->aac_common) {
515 bus_dmamap_unload(sc->aac_common_dmat, sc->aac_common_dmamap);
516 bus_dmamem_free(sc->aac_common_dmat, sc->aac_common,
517 sc->aac_common_dmamap);
519 if (sc->aac_common_dmat)
520 bus_dma_tag_destroy(sc->aac_common_dmat);
522 /* disconnect the interrupt handler */
524 bus_teardown_intr(sc->aac_dev, sc->aac_irq, sc->aac_intr);
525 if (sc->aac_irq != NULL)
526 bus_release_resource(sc->aac_dev, SYS_RES_IRQ, sc->aac_irq_rid,
529 /* destroy data-transfer DMA tag */
530 if (sc->aac_buffer_dmat)
531 bus_dma_tag_destroy(sc->aac_buffer_dmat);
533 /* destroy the parent DMA tag */
534 if (sc->aac_parent_dmat)
535 bus_dma_tag_destroy(sc->aac_parent_dmat);
537 /* release the register window mapping */
538 if (sc->aac_regs_resource != NULL) {
539 bus_release_resource(sc->aac_dev, SYS_RES_MEMORY,
540 sc->aac_regs_rid, sc->aac_regs_resource);
542 dev_ops_remove_minor(&aac_ops, device_get_unit(sc->aac_dev));
546 * Disconnect from the controller completely, in preparation for unload.
549 aac_detach(device_t dev)
551 struct aac_softc *sc;
552 struct aac_container *co;
558 sc = device_get_softc(dev);
560 callout_stop(&sc->aac_watchdog);
562 if (sc->aac_state & AAC_STATE_OPEN)
565 /* Remove the child containers */
566 while ((co = TAILQ_FIRST(&sc->aac_container_tqh)) != NULL) {
567 error = device_delete_child(dev, co->co_disk);
570 TAILQ_REMOVE(&sc->aac_container_tqh, co, co_link);
574 /* Remove the CAM SIMs */
575 while ((sim = TAILQ_FIRST(&sc->aac_sim_tqh)) != NULL) {
576 TAILQ_REMOVE(&sc->aac_sim_tqh, sim, sim_link);
577 error = device_delete_child(dev, sim->sim_dev);
580 kfree(sim, M_AACBUF);
583 if (sc->aifflags & AAC_AIFFLAGS_RUNNING) {
584 sc->aifflags |= AAC_AIFFLAGS_EXIT;
585 wakeup(sc->aifthread);
586 tsleep(sc->aac_dev, PCATCH, "aacdch", 30 * hz);
589 if (sc->aifflags & AAC_AIFFLAGS_RUNNING)
590 panic("Cannot shutdown AIF thread\n");
592 if ((error = aac_shutdown(dev)))
595 EVENTHANDLER_DEREGISTER(shutdown_post_sync, sc->eh);
599 lockuninit(&sc->aac_aifq_lock);
600 lockuninit(&sc->aac_io_lock);
601 lockuninit(&sc->aac_container_lock);
607 * Bring the controller down to a dormant state and detach all child devices.
609 * This function is called before detach or system shutdown.
611 * Note that we can assume that the bioq on the controller is empty, as we won't
612 * allow shutdown if any device is open.
615 aac_shutdown(device_t dev)
617 struct aac_softc *sc;
619 struct aac_close_command *cc;
623 sc = device_get_softc(dev);
625 sc->aac_state |= AAC_STATE_SUSPEND;
628 * Send a Container shutdown followed by a HostShutdown FIB to the
629 * controller to convince it that we don't want to talk to it anymore.
630 * We've been closed and all I/O completed already
632 device_printf(sc->aac_dev, "shutting down controller...");
634 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
635 aac_alloc_sync_fib(sc, &fib);
636 cc = (struct aac_close_command *)&fib->data[0];
638 bzero(cc, sizeof(struct aac_close_command));
639 cc->Command = VM_CloseAll;
640 cc->ContainerId = 0xffffffff;
641 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
642 sizeof(struct aac_close_command)))
643 kprintf("FAILED.\n");
650 * XXX Issuing this command to the controller makes it shut down
651 * but also keeps it from coming back up without a reset of the
652 * PCI bus. This is not desirable if you are just unloading the
653 * driver module with the intent to reload it later.
655 if (aac_sync_fib(sc, FsaHostShutdown, AAC_FIBSTATE_SHUTDOWN,
657 kprintf("FAILED.\n");
664 AAC_MASK_INTERRUPTS(sc);
665 aac_release_sync_fib(sc);
666 AAC_LOCK_RELEASE(&sc->aac_io_lock);
672 * Bring the controller to a quiescent state, ready for system suspend.
675 aac_suspend(device_t dev)
677 struct aac_softc *sc;
681 sc = device_get_softc(dev);
683 sc->aac_state |= AAC_STATE_SUSPEND;
685 AAC_MASK_INTERRUPTS(sc);
690 * Bring the controller back to a state ready for operation.
693 aac_resume(device_t dev)
695 struct aac_softc *sc;
699 sc = device_get_softc(dev);
701 sc->aac_state &= ~AAC_STATE_SUSPEND;
702 AAC_UNMASK_INTERRUPTS(sc);
707 * Interrupt handler for NEW_COMM interface.
710 aac_new_intr(void *arg)
712 struct aac_softc *sc;
713 u_int32_t index, fast;
714 struct aac_command *cm;
720 sc = (struct aac_softc *)arg;
722 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
724 index = AAC_GET_OUTB_QUEUE(sc);
725 if (index == 0xffffffff)
726 index = AAC_GET_OUTB_QUEUE(sc);
727 if (index == 0xffffffff)
730 if (index == 0xfffffffe) {
731 /* XXX This means that the controller wants
732 * more work. Ignore it for now.
737 fib = (struct aac_fib *)kmalloc(sizeof *fib, M_AACBUF,
740 for (i = 0; i < sizeof(struct aac_fib)/4; ++i)
741 ((u_int32_t *)fib)[i] = AAC_GETREG4(sc, index + i*4);
742 aac_handle_aif(sc, fib);
743 kfree(fib, M_AACBUF);
746 * AIF memory is owned by the adapter, so let it
747 * know that we are done with it.
749 AAC_SET_OUTB_QUEUE(sc, index);
750 AAC_CLEAR_ISTATUS(sc, AAC_DB_RESPONSE_READY);
753 cm = sc->aac_commands + (index >> 2);
756 fib->Header.XferState |= AAC_FIBSTATE_DONEADAP;
757 *((u_int32_t *)(fib->data)) = AAC_ERROR_NORMAL;
760 aac_unmap_command(cm);
761 cm->cm_flags |= AAC_CMD_COMPLETED;
763 /* is there a completion handler? */
764 if (cm->cm_complete != NULL) {
767 /* assume that someone is sleeping on this
772 sc->flags &= ~AAC_QUEUE_FRZN;
775 /* see if we can start some more I/O */
776 if ((sc->flags & AAC_QUEUE_FRZN) == 0)
779 AAC_LOCK_RELEASE(&sc->aac_io_lock);
783 aac_fast_intr(void *arg)
785 struct aac_softc *sc;
790 sc = (struct aac_softc *)arg;
793 * Read the status register directly. This is faster than taking the
794 * driver lock and reading the queues directly. It also saves having
795 * to turn parts of the driver lock into a spin mutex, which would be
798 reason = AAC_GET_ISTATUS(sc);
799 AAC_CLEAR_ISTATUS(sc, reason);
801 /* handle completion processing */
802 if (reason & AAC_DB_RESPONSE_READY)
803 taskqueue_enqueue(taskqueue_swi, &sc->aac_task_complete);
805 /* controller wants to talk to us */
806 if (reason & (AAC_DB_PRINTF | AAC_DB_COMMAND_READY)) {
808 * XXX Make sure that we don't get fooled by strange messages
809 * that start with a NULL.
811 if ((reason & AAC_DB_PRINTF) &&
812 (sc->aac_common->ac_printf[0] == 0))
813 sc->aac_common->ac_printf[0] = 32;
816 * This might miss doing the actual wakeup. However, the
817 * ssleep that this is waking up has a timeout, so it will
818 * wake up eventually. AIFs and printfs are low enough
819 * priority that they can handle hanging out for a few seconds
822 wakeup(sc->aifthread);
831 * Start as much queued I/O as possible on the controller
834 aac_startio(struct aac_softc *sc)
836 struct aac_command *cm;
840 if (sc->flags & AAC_QUEUE_FRZN)
845 * Try to get a command that's been put off for lack of
848 cm = aac_dequeue_ready(sc);
851 * Try to build a command off the bio queue (ignore error
855 aac_bio_command(sc, &cm);
862 * Try to give the command to the controller. Any error is
863 * catastrophic since it means that bus_dmamap_load() failed.
865 if (aac_map_command(cm) != 0)
866 panic("aac: error mapping command %p\n", cm);
871 * Deliver a command to the controller; allocate controller resources at the
872 * last moment when possible.
875 aac_map_command(struct aac_command *cm)
877 struct aac_softc *sc;
885 /* don't map more than once */
886 if (cm->cm_flags & AAC_CMD_MAPPED)
887 panic("aac: command %p already mapped", cm);
889 if (cm->cm_datalen != 0) {
890 error = bus_dmamap_load(sc->aac_buffer_dmat, cm->cm_datamap,
891 cm->cm_data, cm->cm_datalen,
892 aac_map_command_sg, cm, 0);
893 if (error == EINPROGRESS) {
894 debug(1, "freezing queue\n");
895 sc->flags |= AAC_QUEUE_FRZN;
899 aac_map_command_sg(cm, NULL, 0, 0);
905 * Handle notification of one or more FIBs coming from the controller.
908 aac_command_thread(void *arg)
910 struct aac_softc *sc = arg;
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) {
924 tsleep_interlock(sc->aifthread, 0);
925 AAC_LOCK_RELEASE(&sc->aac_io_lock);
926 retval = tsleep(sc->aifthread, PINTERLOCKED,
927 "aifthd", AAC_PERIODIC_INTERVAL * hz);
928 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
931 * First see if any FIBs need to be allocated. This needs
932 * to be called without the driver lock because contigmalloc
933 * will grab Giant, and would result in an LOR.
935 if ((sc->aifflags & AAC_AIFFLAGS_ALLOCFIBS) != 0) {
936 AAC_LOCK_RELEASE(&sc->aac_io_lock);
937 aac_alloc_commands(sc);
938 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
939 sc->aifflags &= ~AAC_AIFFLAGS_ALLOCFIBS;
944 * While we're here, check to see if any commands are stuck.
945 * This is pretty low-priority, so it's ok if it doesn't
948 if (retval == EWOULDBLOCK)
951 /* Check the hardware printf message buffer */
952 if (sc->aac_common->ac_printf[0] != 0)
953 aac_print_printf(sc);
955 /* Also check to see if the adapter has a command for us. */
956 if (sc->flags & AAC_FLAGS_NEW_COMM)
959 if (aac_dequeue_fib(sc, AAC_HOST_NORM_CMD_QUEUE,
963 AAC_PRINT_FIB(sc, fib);
965 switch (fib->Header.Command) {
967 aac_handle_aif(sc, fib);
970 device_printf(sc->aac_dev, "unknown command "
971 "from controller\n");
975 if ((fib->Header.XferState == 0) ||
976 (fib->Header.StructType != AAC_FIBTYPE_TFIB)) {
980 /* Return the AIF to the controller. */
981 if (fib->Header.XferState & AAC_FIBSTATE_FROMADAP) {
982 fib->Header.XferState |= AAC_FIBSTATE_DONEHOST;
983 *(AAC_FSAStatus*)fib->data = ST_OK;
985 /* XXX Compute the Size field? */
986 size = fib->Header.Size;
987 if (size > sizeof(struct aac_fib)) {
988 size = sizeof(struct aac_fib);
989 fib->Header.Size = size;
992 * Since we did not generate this command, it
993 * cannot go through the normal
994 * enqueue->startio chain.
996 aac_enqueue_response(sc,
997 AAC_ADAP_NORM_RESP_QUEUE,
1002 sc->aifflags &= ~AAC_AIFFLAGS_RUNNING;
1003 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1004 wakeup(sc->aac_dev);
1010 * Process completed commands.
1013 aac_complete(void *context, int pending)
1015 struct aac_softc *sc;
1016 struct aac_command *cm;
1017 struct aac_fib *fib;
1022 sc = (struct aac_softc *)context;
1024 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
1026 /* pull completed commands off the queue */
1028 /* look for completed FIBs on our queue */
1029 if (aac_dequeue_fib(sc, AAC_HOST_NORM_RESP_QUEUE, &fib_size,
1031 break; /* nothing to do */
1033 /* get the command, unmap and queue for later processing */
1034 cm = sc->aac_commands + fib->Header.SenderData;
1036 AAC_PRINT_FIB(sc, fib);
1039 aac_remove_busy(cm);
1040 aac_unmap_command(cm); /* XXX defer? */
1041 cm->cm_flags |= AAC_CMD_COMPLETED;
1043 /* is there a completion handler? */
1044 if (cm->cm_complete != NULL) {
1045 cm->cm_complete(cm);
1047 /* assume that someone is sleeping on this command */
1052 /* see if we can start some more I/O */
1053 sc->flags &= ~AAC_QUEUE_FRZN;
1056 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1060 * Handle a bio submitted from a disk device.
1063 aac_submit_bio(struct aac_disk *ad, struct bio *bio)
1065 struct aac_softc *sc;
1069 bio->bio_driver_info = ad;
1070 sc = ad->ad_controller;
1072 /* queue the BIO and try to get some work done */
1073 aac_enqueue_bio(sc, bio);
1078 * Get a bio and build a command to go with it.
1081 aac_bio_command(struct aac_softc *sc, struct aac_command **cmp)
1083 struct aac_command *cm;
1084 struct aac_fib *fib;
1085 struct aac_disk *ad;
1091 /* get the resources we will need */
1094 if (aac_alloc_command(sc, &cm)) /* get a command */
1096 if ((bio = aac_dequeue_bio(sc)) == NULL)
1099 /* fill out the command */
1101 cm->cm_data = (void *)bp->b_data;
1102 cm->cm_datalen = bp->b_bcount;
1103 cm->cm_complete = aac_bio_complete;
1104 cm->cm_private = bio;
1105 cm->cm_timestamp = time_second;
1106 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1110 fib->Header.Size = sizeof(struct aac_fib_header);
1111 fib->Header.XferState =
1112 AAC_FIBSTATE_HOSTOWNED |
1113 AAC_FIBSTATE_INITIALISED |
1114 AAC_FIBSTATE_EMPTY |
1115 AAC_FIBSTATE_FROMHOST |
1116 AAC_FIBSTATE_REXPECTED |
1118 AAC_FIBSTATE_ASYNC |
1119 AAC_FIBSTATE_FAST_RESPONSE;
1121 /* build the read/write request */
1122 ad = (struct aac_disk *)bio->bio_driver_info;
1124 if (sc->flags & AAC_FLAGS_RAW_IO) {
1125 struct aac_raw_io *raw;
1126 raw = (struct aac_raw_io *)&fib->data[0];
1127 fib->Header.Command = RawIo;
1128 raw->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1129 raw->ByteCount = bp->b_bcount;
1130 raw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1132 raw->BpComplete = 0;
1133 fib->Header.Size += sizeof(struct aac_raw_io);
1134 cm->cm_sgtable = (struct aac_sg_table *)&raw->SgMapRaw;
1135 if (bp->b_cmd == BUF_CMD_READ) {
1137 cm->cm_flags |= AAC_CMD_DATAIN;
1140 cm->cm_flags |= AAC_CMD_DATAOUT;
1142 } else if ((sc->flags & AAC_FLAGS_SG_64BIT) == 0) {
1143 fib->Header.Command = ContainerCommand;
1144 if (bp->b_cmd == BUF_CMD_READ) {
1145 struct aac_blockread *br;
1146 br = (struct aac_blockread *)&fib->data[0];
1147 br->Command = VM_CtBlockRead;
1148 br->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1149 br->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1150 br->ByteCount = bp->b_bcount;
1151 fib->Header.Size += sizeof(struct aac_blockread);
1152 cm->cm_sgtable = &br->SgMap;
1153 cm->cm_flags |= AAC_CMD_DATAIN;
1155 struct aac_blockwrite *bw;
1156 bw = (struct aac_blockwrite *)&fib->data[0];
1157 bw->Command = VM_CtBlockWrite;
1158 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1159 bw->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1160 bw->ByteCount = bp->b_bcount;
1161 bw->Stable = CUNSTABLE;
1162 fib->Header.Size += sizeof(struct aac_blockwrite);
1163 cm->cm_flags |= AAC_CMD_DATAOUT;
1164 cm->cm_sgtable = &bw->SgMap;
1167 fib->Header.Command = ContainerCommand64;
1168 if (bp->b_cmd == BUF_CMD_READ) {
1169 struct aac_blockread64 *br;
1170 br = (struct aac_blockread64 *)&fib->data[0];
1171 br->Command = VM_CtHostRead64;
1172 br->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1173 br->SectorCount = bp->b_bcount / AAC_BLOCK_SIZE;
1174 br->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1177 fib->Header.Size += sizeof(struct aac_blockread64);
1178 cm->cm_flags |= AAC_CMD_DATAOUT;
1179 cm->cm_sgtable = (struct aac_sg_table *)&br->SgMap64;
1181 struct aac_blockwrite64 *bw;
1182 bw = (struct aac_blockwrite64 *)&fib->data[0];
1183 bw->Command = VM_CtHostWrite64;
1184 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1185 bw->SectorCount = bp->b_bcount / AAC_BLOCK_SIZE;
1186 bw->BlockNumber = bio->bio_offset / AAC_BLOCK_SIZE;
1189 fib->Header.Size += sizeof(struct aac_blockwrite64);
1190 cm->cm_flags |= AAC_CMD_DATAIN;
1191 cm->cm_sgtable = (struct aac_sg_table *)&bw->SgMap64;
1200 aac_enqueue_bio(sc, bio);
1202 aac_release_command(cm);
1207 * Handle a bio-instigated command that has been completed.
1210 aac_bio_complete(struct aac_command *cm)
1212 struct aac_blockread_response *brr;
1213 struct aac_blockwrite_response *bwr;
1217 AAC_FSAStatus status;
1219 /* fetch relevant status and then release the command */
1220 bio = (struct bio *)cm->cm_private;
1222 if (bp->b_cmd == BUF_CMD_READ) {
1223 brr = (struct aac_blockread_response *)&cm->cm_fib->data[0];
1224 status = brr->Status;
1226 bwr = (struct aac_blockwrite_response *)&cm->cm_fib->data[0];
1227 status = bwr->Status;
1229 aac_release_command(cm);
1231 /* fix up the bio based on status */
1232 if (status == ST_OK) {
1237 bp->b_flags |= B_ERROR;
1238 /* pass an error string out to the disk layer */
1239 code = aac_describe_code(aac_command_status_table, status);
1241 aac_biodone(bio, code);
1245 * Dump a block of data to the controller. If the queue is full, tell the
1246 * caller to hold off and wait for the queue to drain.
1249 aac_dump_enqueue(struct aac_disk *ad, u_int64_t lba, void *data, int dumppages)
1251 struct aac_softc *sc;
1252 struct aac_command *cm;
1253 struct aac_fib *fib;
1254 struct aac_blockwrite *bw;
1256 sc = ad->ad_controller;
1259 KKASSERT(lba <= 0x100000000ULL);
1261 if (aac_alloc_command(sc, &cm))
1264 /* fill out the command */
1266 cm->cm_datalen = dumppages * PAGE_SIZE;
1267 cm->cm_complete = NULL;
1268 cm->cm_private = NULL;
1269 cm->cm_timestamp = time_second;
1270 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1274 fib->Header.XferState =
1275 AAC_FIBSTATE_HOSTOWNED |
1276 AAC_FIBSTATE_INITIALISED |
1277 AAC_FIBSTATE_FROMHOST |
1278 AAC_FIBSTATE_REXPECTED |
1280 fib->Header.Command = ContainerCommand;
1281 fib->Header.Size = sizeof(struct aac_fib_header);
1283 bw = (struct aac_blockwrite *)&fib->data[0];
1284 bw->Command = VM_CtBlockWrite;
1285 bw->ContainerId = ad->ad_container->co_mntobj.ObjectId;
1286 bw->BlockNumber = lba;
1287 bw->ByteCount = dumppages * PAGE_SIZE;
1288 bw->Stable = CUNSTABLE; /* XXX what's appropriate here? */
1289 fib->Header.Size += sizeof(struct aac_blockwrite);
1290 cm->cm_flags |= AAC_CMD_DATAOUT;
1291 cm->cm_sgtable = &bw->SgMap;
1293 return (aac_map_command(cm));
1297 * Wait for the card's queue to drain when dumping. Also check for monitor
1301 aac_dump_complete(struct aac_softc *sc)
1303 struct aac_fib *fib;
1304 struct aac_command *cm;
1306 u_int32_t pi, ci, fib_size;
1309 reason = AAC_GET_ISTATUS(sc);
1310 if (reason & AAC_DB_RESPONSE_READY) {
1311 AAC_CLEAR_ISTATUS(sc, AAC_DB_RESPONSE_READY);
1313 if (aac_dequeue_fib(sc,
1314 AAC_HOST_NORM_RESP_QUEUE,
1317 cm = (struct aac_command *)
1318 fib->Header.SenderData;
1320 AAC_PRINT_FIB(sc, fib);
1322 aac_remove_busy(cm);
1323 aac_unmap_command(cm);
1324 aac_enqueue_complete(cm);
1325 aac_release_command(cm);
1329 if (reason & AAC_DB_PRINTF) {
1330 AAC_CLEAR_ISTATUS(sc, AAC_DB_PRINTF);
1331 aac_print_printf(sc);
1333 pi = sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][
1334 AAC_PRODUCER_INDEX];
1335 ci = sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][
1336 AAC_CONSUMER_INDEX];
1343 * Submit a command to the controller, return when it completes.
1344 * XXX This is very dangerous! If the card has gone out to lunch, we could
1345 * be stuck here forever. At the same time, signals are not caught
1346 * because there is a risk that a signal could wakeup the sleep before
1347 * the card has a chance to complete the command. Since there is no way
1348 * to cancel a command that is in progress, we can't protect against the
1349 * card completing a command late and spamming the command and data
1350 * memory. So, we are held hostage until the command completes.
1353 aac_wait_command(struct aac_command *cm)
1355 struct aac_softc *sc;
1362 /* Put the command on the ready queue and get things going */
1363 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
1364 aac_enqueue_ready(cm);
1367 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
1368 tsleep_interlock(cm, 0);
1369 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1370 error = tsleep(cm, PINTERLOCKED, "aacwait", 0);
1371 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
1376 *Command Buffer Management
1380 * Allocate a command.
1383 aac_alloc_command(struct aac_softc *sc, struct aac_command **cmp)
1385 struct aac_command *cm;
1389 if ((cm = aac_dequeue_free(sc)) == NULL) {
1390 if (sc->total_fibs < sc->aac_max_fibs) {
1391 sc->aifflags |= AAC_AIFFLAGS_ALLOCFIBS;
1392 wakeup(sc->aifthread);
1402 * Release a command back to the freelist.
1405 aac_release_command(struct aac_command *cm)
1407 struct aac_event *event;
1408 struct aac_softc *sc;
1412 /* (re)initialise the command/FIB */
1413 cm->cm_sgtable = NULL;
1415 cm->cm_complete = NULL;
1416 cm->cm_private = NULL;
1417 cm->cm_fib->Header.XferState = AAC_FIBSTATE_EMPTY;
1418 cm->cm_fib->Header.StructType = AAC_FIBTYPE_TFIB;
1419 cm->cm_fib->Header.Flags = 0;
1420 cm->cm_fib->Header.SenderSize = cm->cm_sc->aac_max_fib_size;
1423 * These are duplicated in aac_start to cover the case where an
1424 * intermediate stage may have destroyed them. They're left
1425 * initialised here for debugging purposes only.
1427 cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys;
1428 cm->cm_fib->Header.SenderData = 0;
1430 aac_enqueue_free(cm);
1433 event = TAILQ_FIRST(&sc->aac_ev_cmfree);
1434 if (event != NULL) {
1435 TAILQ_REMOVE(&sc->aac_ev_cmfree, event, ev_links);
1436 event->ev_callback(sc, event, event->ev_arg);
1441 * Map helper for command/FIB allocation.
1444 aac_map_command_helper(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1448 fibphys = (uint64_t *)arg;
1452 *fibphys = segs[0].ds_addr;
1456 * Allocate and initialise commands/FIBs for this adapter.
1459 aac_alloc_commands(struct aac_softc *sc)
1461 struct aac_command *cm;
1462 struct aac_fibmap *fm;
1468 if (sc->total_fibs + sc->aac_max_fibs_alloc > sc->aac_max_fibs)
1471 fm = kmalloc(sizeof(struct aac_fibmap), M_AACBUF, M_INTWAIT | M_ZERO);
1473 /* allocate the FIBs in DMAable memory and load them */
1474 if (bus_dmamem_alloc(sc->aac_fib_dmat, (void **)&fm->aac_fibs,
1475 BUS_DMA_NOWAIT, &fm->aac_fibmap)) {
1476 device_printf(sc->aac_dev,
1477 "Not enough contiguous memory available.\n");
1478 kfree(fm, M_AACBUF);
1482 /* Ignore errors since this doesn't bounce */
1483 bus_dmamap_load(sc->aac_fib_dmat, fm->aac_fibmap, fm->aac_fibs,
1484 sc->aac_max_fibs_alloc * sc->aac_max_fib_size,
1485 aac_map_command_helper, &fibphys, 0);
1487 /* initialise constant fields in the command structure */
1488 bzero(fm->aac_fibs, sc->aac_max_fibs_alloc * sc->aac_max_fib_size);
1489 for (i = 0; i < sc->aac_max_fibs_alloc; i++) {
1490 cm = sc->aac_commands + sc->total_fibs;
1491 fm->aac_commands = cm;
1493 cm->cm_fib = (struct aac_fib *)
1494 ((u_int8_t *)fm->aac_fibs + i*sc->aac_max_fib_size);
1495 cm->cm_fibphys = fibphys + i*sc->aac_max_fib_size;
1496 cm->cm_index = sc->total_fibs;
1498 if ((error = bus_dmamap_create(sc->aac_buffer_dmat, 0,
1499 &cm->cm_datamap)) != 0)
1501 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
1502 aac_release_command(cm);
1504 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1508 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
1509 TAILQ_INSERT_TAIL(&sc->aac_fibmap_tqh, fm, fm_link);
1510 debug(1, "total_fibs= %d\n", sc->total_fibs);
1511 AAC_LOCK_RELEASE(&sc->aac_io_lock);
1515 bus_dmamap_unload(sc->aac_fib_dmat, fm->aac_fibmap);
1516 bus_dmamem_free(sc->aac_fib_dmat, fm->aac_fibs, fm->aac_fibmap);
1517 kfree(fm, M_AACBUF);
1522 * Free FIBs owned by this adapter.
1525 aac_free_commands(struct aac_softc *sc)
1527 struct aac_fibmap *fm;
1528 struct aac_command *cm;
1533 while ((fm = TAILQ_FIRST(&sc->aac_fibmap_tqh)) != NULL) {
1535 TAILQ_REMOVE(&sc->aac_fibmap_tqh, fm, fm_link);
1537 * We check against total_fibs to handle partially
1540 for (i = 0; i < sc->aac_max_fibs_alloc && sc->total_fibs--; i++) {
1541 cm = fm->aac_commands + i;
1542 bus_dmamap_destroy(sc->aac_buffer_dmat, cm->cm_datamap);
1544 bus_dmamap_unload(sc->aac_fib_dmat, fm->aac_fibmap);
1545 bus_dmamem_free(sc->aac_fib_dmat, fm->aac_fibs, fm->aac_fibmap);
1546 kfree(fm, M_AACBUF);
1551 * Command-mapping helper function - populate this command's s/g table.
1554 aac_map_command_sg(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1556 struct aac_softc *sc;
1557 struct aac_command *cm;
1558 struct aac_fib *fib;
1563 cm = (struct aac_command *)arg;
1567 /* copy into the FIB */
1568 if (cm->cm_sgtable != NULL) {
1569 if (fib->Header.Command == RawIo) {
1570 struct aac_sg_tableraw *sg;
1571 sg = (struct aac_sg_tableraw *)cm->cm_sgtable;
1573 for (i = 0; i < nseg; i++) {
1574 sg->SgEntryRaw[i].SgAddress = segs[i].ds_addr;
1575 sg->SgEntryRaw[i].SgByteCount = segs[i].ds_len;
1576 sg->SgEntryRaw[i].Next = 0;
1577 sg->SgEntryRaw[i].Prev = 0;
1578 sg->SgEntryRaw[i].Flags = 0;
1580 /* update the FIB size for the s/g count */
1581 fib->Header.Size += nseg*sizeof(struct aac_sg_entryraw);
1582 } else if ((cm->cm_sc->flags & AAC_FLAGS_SG_64BIT) == 0) {
1583 struct aac_sg_table *sg;
1584 sg = cm->cm_sgtable;
1586 for (i = 0; i < nseg; i++) {
1587 sg->SgEntry[i].SgAddress = segs[i].ds_addr;
1588 sg->SgEntry[i].SgByteCount = segs[i].ds_len;
1590 /* update the FIB size for the s/g count */
1591 fib->Header.Size += nseg*sizeof(struct aac_sg_entry);
1593 struct aac_sg_table64 *sg;
1594 sg = (struct aac_sg_table64 *)cm->cm_sgtable;
1596 for (i = 0; i < nseg; i++) {
1597 sg->SgEntry64[i].SgAddress = segs[i].ds_addr;
1598 sg->SgEntry64[i].SgByteCount = segs[i].ds_len;
1600 /* update the FIB size for the s/g count */
1601 fib->Header.Size += nseg*sizeof(struct aac_sg_entry64);
1605 /* Fix up the address values in the FIB. Use the command array index
1606 * instead of a pointer since these fields are only 32 bits. Shift
1607 * the SenderFibAddress over to make room for the fast response bit
1608 * and for the AIF bit
1610 cm->cm_fib->Header.SenderFibAddress = (cm->cm_index << 2);
1611 cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys;
1613 /* save a pointer to the command for speedy reverse-lookup */
1614 cm->cm_fib->Header.SenderData = cm->cm_index;
1616 if (cm->cm_flags & AAC_CMD_DATAIN)
1617 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1618 BUS_DMASYNC_PREREAD);
1619 if (cm->cm_flags & AAC_CMD_DATAOUT)
1620 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1621 BUS_DMASYNC_PREWRITE);
1622 cm->cm_flags |= AAC_CMD_MAPPED;
1624 if (sc->flags & AAC_FLAGS_NEW_COMM) {
1625 int count = 10000000L;
1626 while (AAC_SEND_COMMAND(sc, cm) != 0) {
1628 aac_unmap_command(cm);
1629 sc->flags |= AAC_QUEUE_FRZN;
1630 aac_requeue_ready(cm);
1633 DELAY(5); /* wait 5 usec. */
1636 /* Put the FIB on the outbound queue */
1637 if (aac_enqueue_fib(sc, cm->cm_queue, cm) == EBUSY) {
1638 aac_unmap_command(cm);
1639 sc->flags |= AAC_QUEUE_FRZN;
1640 aac_requeue_ready(cm);
1646 * Unmap a command from controller-visible space.
1649 aac_unmap_command(struct aac_command *cm)
1651 struct aac_softc *sc;
1657 if (!(cm->cm_flags & AAC_CMD_MAPPED))
1660 if (cm->cm_datalen != 0) {
1661 if (cm->cm_flags & AAC_CMD_DATAIN)
1662 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1663 BUS_DMASYNC_POSTREAD);
1664 if (cm->cm_flags & AAC_CMD_DATAOUT)
1665 bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap,
1666 BUS_DMASYNC_POSTWRITE);
1668 bus_dmamap_unload(sc->aac_buffer_dmat, cm->cm_datamap);
1670 cm->cm_flags &= ~AAC_CMD_MAPPED;
1674 * Hardware Interface
1678 * Initialise the adapter.
1681 aac_common_map(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1683 struct aac_softc *sc;
1687 sc = (struct aac_softc *)arg;
1689 sc->aac_common_busaddr = segs[0].ds_addr;
1693 aac_check_firmware(struct aac_softc *sc)
1695 u_int32_t major, minor, options = 0, atu_size = 0;
1701 * Retrieve the firmware version numbers. Dell PERC2/QC cards with
1702 * firmware version 1.x are not compatible with this driver.
1704 if (sc->flags & AAC_FLAGS_PERC2QC) {
1705 if (aac_sync_command(sc, AAC_MONKER_GETKERNVER, 0, 0, 0, 0,
1707 device_printf(sc->aac_dev,
1708 "Error reading firmware version\n");
1712 /* These numbers are stored as ASCII! */
1713 major = (AAC_GET_MAILBOX(sc, 1) & 0xff) - 0x30;
1714 minor = (AAC_GET_MAILBOX(sc, 2) & 0xff) - 0x30;
1716 device_printf(sc->aac_dev,
1717 "Firmware version %d.%d is not supported.\n",
1724 * Retrieve the capabilities/supported options word so we know what
1725 * work-arounds to enable. Some firmware revs don't support this
1728 if (aac_sync_command(sc, AAC_MONKER_GETINFO, 0, 0, 0, 0, &status)) {
1729 if (status != AAC_SRB_STS_INVALID_REQUEST) {
1730 device_printf(sc->aac_dev,
1731 "RequestAdapterInfo failed\n");
1735 options = AAC_GET_MAILBOX(sc, 1);
1736 atu_size = AAC_GET_MAILBOX(sc, 2);
1737 sc->supported_options = options;
1739 if ((options & AAC_SUPPORTED_4GB_WINDOW) != 0 &&
1740 (sc->flags & AAC_FLAGS_NO4GB) == 0)
1741 sc->flags |= AAC_FLAGS_4GB_WINDOW;
1742 if (options & AAC_SUPPORTED_NONDASD)
1743 sc->flags |= AAC_FLAGS_ENABLE_CAM;
1744 if ((options & AAC_SUPPORTED_SGMAP_HOST64) != 0
1745 && (sizeof(bus_addr_t) > 4)) {
1746 device_printf(sc->aac_dev,
1747 "Enabling 64-bit address support\n");
1748 sc->flags |= AAC_FLAGS_SG_64BIT;
1750 if ((options & AAC_SUPPORTED_NEW_COMM)
1751 && sc->aac_if.aif_send_command)
1752 sc->flags |= AAC_FLAGS_NEW_COMM;
1753 if (options & AAC_SUPPORTED_64BIT_ARRAYSIZE)
1754 sc->flags |= AAC_FLAGS_ARRAY_64BIT;
1757 /* Check for broken hardware that does a lower number of commands */
1758 sc->aac_max_fibs = (sc->flags & AAC_FLAGS_256FIBS ? 256:512);
1760 /* Remap mem. resource, if required */
1761 if ((sc->flags & AAC_FLAGS_NEW_COMM) &&
1762 atu_size > rman_get_size(sc->aac_regs_resource)) {
1763 bus_release_resource(
1764 sc->aac_dev, SYS_RES_MEMORY,
1765 sc->aac_regs_rid, sc->aac_regs_resource);
1766 sc->aac_regs_resource = bus_alloc_resource(
1767 sc->aac_dev, SYS_RES_MEMORY, &sc->aac_regs_rid,
1768 0ul, ~0ul, atu_size, RF_ACTIVE);
1769 if (sc->aac_regs_resource == NULL) {
1770 sc->aac_regs_resource = bus_alloc_resource_any(
1771 sc->aac_dev, SYS_RES_MEMORY,
1772 &sc->aac_regs_rid, RF_ACTIVE);
1773 if (sc->aac_regs_resource == NULL) {
1774 device_printf(sc->aac_dev,
1775 "couldn't allocate register window\n");
1778 sc->flags &= ~AAC_FLAGS_NEW_COMM;
1780 sc->aac_btag = rman_get_bustag(sc->aac_regs_resource);
1781 sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource);
1784 /* Read preferred settings */
1785 sc->aac_max_fib_size = sizeof(struct aac_fib);
1786 sc->aac_max_sectors = 128; /* 64KB */
1787 if (sc->flags & AAC_FLAGS_SG_64BIT)
1788 sc->aac_sg_tablesize = (AAC_FIB_DATASIZE
1789 - sizeof(struct aac_blockwrite64)
1790 + sizeof(struct aac_sg_table64))
1791 / sizeof(struct aac_sg_table64);
1793 sc->aac_sg_tablesize = (AAC_FIB_DATASIZE
1794 - sizeof(struct aac_blockwrite)
1795 + sizeof(struct aac_sg_table))
1796 / sizeof(struct aac_sg_table);
1798 if (!aac_sync_command(sc, AAC_MONKER_GETCOMMPREF, 0, 0, 0, 0, NULL)) {
1799 options = AAC_GET_MAILBOX(sc, 1);
1800 sc->aac_max_fib_size = (options & 0xFFFF);
1801 sc->aac_max_sectors = (options >> 16) << 1;
1802 options = AAC_GET_MAILBOX(sc, 2);
1803 sc->aac_sg_tablesize = (options >> 16);
1804 options = AAC_GET_MAILBOX(sc, 3);
1805 sc->aac_max_fibs = (options & 0xFFFF);
1807 if (sc->aac_max_fib_size > PAGE_SIZE)
1808 sc->aac_max_fib_size = PAGE_SIZE;
1809 sc->aac_max_fibs_alloc = PAGE_SIZE / sc->aac_max_fib_size;
1815 aac_init(struct aac_softc *sc)
1817 struct aac_adapter_init *ip;
1819 u_int32_t code, qoffset;
1825 * First wait for the adapter to come ready.
1829 code = AAC_GET_FWSTATUS(sc);
1830 if (code & AAC_SELF_TEST_FAILED) {
1831 device_printf(sc->aac_dev, "FATAL: selftest failed\n");
1834 if (code & AAC_KERNEL_PANIC) {
1835 device_printf(sc->aac_dev,
1836 "FATAL: controller kernel panic\n");
1839 if (time_second > (then + AAC_BOOT_TIMEOUT)) {
1840 device_printf(sc->aac_dev,
1841 "FATAL: controller not coming ready, "
1842 "status %x\n", code);
1845 } while (!(code & AAC_UP_AND_RUNNING));
1849 * Create DMA tag for mapping buffers into controller-addressable space.
1851 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1852 1, 0, /* algnmnt, boundary */
1853 (sc->flags & AAC_FLAGS_SG_64BIT) ?
1855 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
1856 BUS_SPACE_MAXADDR, /* highaddr */
1857 NULL, NULL, /* filter, filterarg */
1858 MAXBSIZE, /* maxsize */
1859 sc->aac_sg_tablesize, /* nsegments */
1860 MAXBSIZE, /* maxsegsize */
1861 BUS_DMA_ALLOCNOW, /* flags */
1862 &sc->aac_buffer_dmat)) {
1863 device_printf(sc->aac_dev, "can't allocate buffer DMA tag\n");
1868 * Create DMA tag for mapping FIBs into controller-addressable space..
1870 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1871 1, 0, /* algnmnt, boundary */
1872 (sc->flags & AAC_FLAGS_4GB_WINDOW) ?
1873 BUS_SPACE_MAXADDR_32BIT :
1874 0x7fffffff, /* lowaddr */
1875 BUS_SPACE_MAXADDR, /* highaddr */
1876 NULL, NULL, /* filter, filterarg */
1877 sc->aac_max_fibs_alloc *
1878 sc->aac_max_fib_size, /* maxsize */
1880 sc->aac_max_fibs_alloc *
1881 sc->aac_max_fib_size, /* maxsegsize */
1883 &sc->aac_fib_dmat)) {
1884 device_printf(sc->aac_dev, "can't allocate FIB DMA tag\n");
1889 * Create DMA tag for the common structure and allocate it.
1891 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
1892 1, 0, /* algnmnt, boundary */
1893 (sc->flags & AAC_FLAGS_4GB_WINDOW) ?
1894 BUS_SPACE_MAXADDR_32BIT :
1895 0x7fffffff, /* lowaddr */
1896 BUS_SPACE_MAXADDR, /* highaddr */
1897 NULL, NULL, /* filter, filterarg */
1898 8192 + sizeof(struct aac_common), /* maxsize */
1900 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
1902 &sc->aac_common_dmat)) {
1903 device_printf(sc->aac_dev,
1904 "can't allocate common structure DMA tag\n");
1907 if (bus_dmamem_alloc(sc->aac_common_dmat, (void **)&sc->aac_common,
1908 BUS_DMA_NOWAIT, &sc->aac_common_dmamap)) {
1909 device_printf(sc->aac_dev, "can't allocate common structure\n");
1913 * Work around a bug in the 2120 and 2200 that cannot DMA commands
1914 * below address 8192 in physical memory.
1915 * XXX If the padding is not needed, can it be put to use instead
1918 bus_dmamap_load(sc->aac_common_dmat, sc->aac_common_dmamap,
1919 sc->aac_common, 8192 + sizeof(*sc->aac_common),
1920 aac_common_map, sc, 0);
1922 if (sc->aac_common_busaddr < 8192) {
1924 (struct aac_common *)((uint8_t *)sc->aac_common + 8192);
1925 sc->aac_common_busaddr += 8192;
1927 bzero(sc->aac_common, sizeof(*sc->aac_common));
1929 /* Allocate some FIBs and associated command structs */
1930 TAILQ_INIT(&sc->aac_fibmap_tqh);
1931 sc->aac_commands = kmalloc(sc->aac_max_fibs * sizeof(struct aac_command),
1932 M_AACBUF, M_INTWAIT | M_ZERO);
1933 while (sc->total_fibs < AAC_PREALLOCATE_FIBS) {
1934 if (aac_alloc_commands(sc) != 0)
1937 if (sc->total_fibs == 0)
1941 * Fill in the init structure. This tells the adapter about the
1942 * physical location of various important shared data structures.
1944 ip = &sc->aac_common->ac_init;
1945 ip->InitStructRevision = AAC_INIT_STRUCT_REVISION;
1946 if (sc->aac_max_fib_size > sizeof(struct aac_fib)) {
1947 ip->InitStructRevision = AAC_INIT_STRUCT_REVISION_4;
1948 sc->flags |= AAC_FLAGS_RAW_IO;
1950 ip->MiniPortRevision = AAC_INIT_STRUCT_MINIPORT_REVISION;
1952 ip->AdapterFibsPhysicalAddress = sc->aac_common_busaddr +
1953 offsetof(struct aac_common, ac_fibs);
1954 ip->AdapterFibsVirtualAddress = 0;
1955 ip->AdapterFibsSize = AAC_ADAPTER_FIBS * sizeof(struct aac_fib);
1956 ip->AdapterFibAlign = sizeof(struct aac_fib);
1958 ip->PrintfBufferAddress = sc->aac_common_busaddr +
1959 offsetof(struct aac_common, ac_printf);
1960 ip->PrintfBufferSize = AAC_PRINTF_BUFSIZE;
1963 * The adapter assumes that pages are 4K in size, except on some
1964 * broken firmware versions that do the page->byte conversion twice,
1965 * therefore 'assuming' that this value is in 16MB units (2^24).
1966 * Round up since the granularity is so high.
1968 /* XXX why should the adapter care? */
1969 ip->HostPhysMemPages = ctob((int)Maxmem) / AAC_PAGE_SIZE;
1970 if (sc->flags & AAC_FLAGS_BROKEN_MEMMAP) {
1971 ip->HostPhysMemPages =
1972 (ip->HostPhysMemPages + AAC_PAGE_SIZE) / AAC_PAGE_SIZE;
1974 ip->HostElapsedSeconds = time_second; /* reset later if invalid */
1977 if (sc->flags & AAC_FLAGS_NEW_COMM) {
1978 ip->InitFlags = INITFLAGS_NEW_COMM_SUPPORTED;
1979 device_printf(sc->aac_dev, "New comm. interface enabled\n");
1982 ip->MaxIoCommands = sc->aac_max_fibs;
1983 ip->MaxIoSize = sc->aac_max_sectors << 9;
1984 ip->MaxFibSize = sc->aac_max_fib_size;
1987 * Initialise FIB queues. Note that it appears that the layout of the
1988 * indexes and the segmentation of the entries may be mandated by the
1989 * adapter, which is only told about the base of the queue index fields.
1991 * The initial values of the indices are assumed to inform the adapter
1992 * of the sizes of the respective queues, and theoretically it could
1993 * work out the entire layout of the queue structures from this. We
1994 * take the easy route and just lay this area out like everyone else
1997 * The Linux driver uses a much more complex scheme whereby several
1998 * header records are kept for each queue. We use a couple of generic
1999 * list manipulation functions which 'know' the size of each list by
2000 * virtue of a table.
2002 qoffset = offsetof(struct aac_common, ac_qbuf) + AAC_QUEUE_ALIGN;
2003 qoffset &= ~(AAC_QUEUE_ALIGN - 1);
2005 (struct aac_queue_table *)((uintptr_t)sc->aac_common + qoffset);
2006 ip->CommHeaderAddress = sc->aac_common_busaddr + qoffset;
2008 sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
2009 AAC_HOST_NORM_CMD_ENTRIES;
2010 sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
2011 AAC_HOST_NORM_CMD_ENTRIES;
2012 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
2013 AAC_HOST_HIGH_CMD_ENTRIES;
2014 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
2015 AAC_HOST_HIGH_CMD_ENTRIES;
2016 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
2017 AAC_ADAP_NORM_CMD_ENTRIES;
2018 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
2019 AAC_ADAP_NORM_CMD_ENTRIES;
2020 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
2021 AAC_ADAP_HIGH_CMD_ENTRIES;
2022 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
2023 AAC_ADAP_HIGH_CMD_ENTRIES;
2024 sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]=
2025 AAC_HOST_NORM_RESP_ENTRIES;
2026 sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]=
2027 AAC_HOST_NORM_RESP_ENTRIES;
2028 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]=
2029 AAC_HOST_HIGH_RESP_ENTRIES;
2030 sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]=
2031 AAC_HOST_HIGH_RESP_ENTRIES;
2032 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]=
2033 AAC_ADAP_NORM_RESP_ENTRIES;
2034 sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]=
2035 AAC_ADAP_NORM_RESP_ENTRIES;
2036 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]=
2037 AAC_ADAP_HIGH_RESP_ENTRIES;
2038 sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]=
2039 AAC_ADAP_HIGH_RESP_ENTRIES;
2040 sc->aac_qentries[AAC_HOST_NORM_CMD_QUEUE] =
2041 &sc->aac_queues->qt_HostNormCmdQueue[0];
2042 sc->aac_qentries[AAC_HOST_HIGH_CMD_QUEUE] =
2043 &sc->aac_queues->qt_HostHighCmdQueue[0];
2044 sc->aac_qentries[AAC_ADAP_NORM_CMD_QUEUE] =
2045 &sc->aac_queues->qt_AdapNormCmdQueue[0];
2046 sc->aac_qentries[AAC_ADAP_HIGH_CMD_QUEUE] =
2047 &sc->aac_queues->qt_AdapHighCmdQueue[0];
2048 sc->aac_qentries[AAC_HOST_NORM_RESP_QUEUE] =
2049 &sc->aac_queues->qt_HostNormRespQueue[0];
2050 sc->aac_qentries[AAC_HOST_HIGH_RESP_QUEUE] =
2051 &sc->aac_queues->qt_HostHighRespQueue[0];
2052 sc->aac_qentries[AAC_ADAP_NORM_RESP_QUEUE] =
2053 &sc->aac_queues->qt_AdapNormRespQueue[0];
2054 sc->aac_qentries[AAC_ADAP_HIGH_RESP_QUEUE] =
2055 &sc->aac_queues->qt_AdapHighRespQueue[0];
2058 * Do controller-type-specific initialisation
2060 switch (sc->aac_hwif) {
2061 case AAC_HWIF_I960RX:
2062 AAC_SETREG4(sc, AAC_RX_ODBR, ~0);
2065 AAC_SETREG4(sc, AAC_RKT_ODBR, ~0);
2072 * Give the init structure to the controller.
2074 if (aac_sync_command(sc, AAC_MONKER_INITSTRUCT,
2075 sc->aac_common_busaddr +
2076 offsetof(struct aac_common, ac_init), 0, 0, 0,
2078 device_printf(sc->aac_dev,
2079 "error establishing init structure\n");
2090 * Send a synchronous command to the controller and wait for a result.
2091 * Indicate if the controller completed the command with an error status.
2094 aac_sync_command(struct aac_softc *sc, u_int32_t command,
2095 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3,
2103 /* populate the mailbox */
2104 AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3);
2106 /* ensure the sync command doorbell flag is cleared */
2107 AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
2109 /* then set it to signal the adapter */
2110 AAC_QNOTIFY(sc, AAC_DB_SYNC_COMMAND);
2112 /* spin waiting for the command to complete */
2115 if (time_second > (then + AAC_IMMEDIATE_TIMEOUT)) {
2116 debug(1, "timed out");
2119 } while (!(AAC_GET_ISTATUS(sc) & AAC_DB_SYNC_COMMAND));
2121 /* clear the completion flag */
2122 AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
2124 /* get the command status */
2125 status = AAC_GET_MAILBOX(sc, 0);
2129 if (status != AAC_SRB_STS_SUCCESS)
2135 aac_sync_fib(struct aac_softc *sc, u_int32_t command, u_int32_t xferstate,
2136 struct aac_fib *fib, u_int16_t datasize)
2139 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
2141 if (datasize > AAC_FIB_DATASIZE)
2145 * Set up the sync FIB
2147 fib->Header.XferState = AAC_FIBSTATE_HOSTOWNED |
2148 AAC_FIBSTATE_INITIALISED |
2150 fib->Header.XferState |= xferstate;
2151 fib->Header.Command = command;
2152 fib->Header.StructType = AAC_FIBTYPE_TFIB;
2153 fib->Header.Size = sizeof(struct aac_fib) + datasize;
2154 fib->Header.SenderSize = sizeof(struct aac_fib);
2155 fib->Header.SenderFibAddress = 0; /* Not needed */
2156 fib->Header.ReceiverFibAddress = sc->aac_common_busaddr +
2157 offsetof(struct aac_common,
2161 * Give the FIB to the controller, wait for a response.
2163 if (aac_sync_command(sc, AAC_MONKER_SYNCFIB,
2164 fib->Header.ReceiverFibAddress, 0, 0, 0, NULL)) {
2165 debug(2, "IO error");
2173 * Adapter-space FIB queue manipulation
2175 * Note that the queue implementation here is a little funky; neither the PI or
2176 * CI will ever be zero. This behaviour is a controller feature.
2182 {AAC_HOST_NORM_CMD_ENTRIES, AAC_DB_COMMAND_NOT_FULL},
2183 {AAC_HOST_HIGH_CMD_ENTRIES, 0},
2184 {AAC_ADAP_NORM_CMD_ENTRIES, AAC_DB_COMMAND_READY},
2185 {AAC_ADAP_HIGH_CMD_ENTRIES, 0},
2186 {AAC_HOST_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_NOT_FULL},
2187 {AAC_HOST_HIGH_RESP_ENTRIES, 0},
2188 {AAC_ADAP_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_READY},
2189 {AAC_ADAP_HIGH_RESP_ENTRIES, 0}
2193 * Atomically insert an entry into the nominated queue, returns 0 on success or
2194 * EBUSY if the queue is full.
2196 * Note: it would be more efficient to defer notifying the controller in
2197 * the case where we may be inserting several entries in rapid succession,
2198 * but implementing this usefully may be difficult (it would involve a
2199 * separate queue/notify interface).
2202 aac_enqueue_fib(struct aac_softc *sc, int queue, struct aac_command *cm)
2211 fib_size = cm->cm_fib->Header.Size;
2212 fib_addr = cm->cm_fib->Header.ReceiverFibAddress;
2214 /* get the producer/consumer indices */
2215 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
2216 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
2218 /* wrap the queue? */
2219 if (pi >= aac_qinfo[queue].size)
2222 /* check for queue full */
2223 if ((pi + 1) == ci) {
2228 * To avoid a race with its completion interrupt, place this command on
2229 * the busy queue prior to advertising it to the controller.
2231 aac_enqueue_busy(cm);
2235 /* populate queue entry */
2236 (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size;
2237 (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr;
2239 /* update producer index */
2240 sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1;
2242 /* notify the adapter if we know how */
2243 if (aac_qinfo[queue].notify != 0)
2244 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
2253 * Atomically remove one entry from the nominated queue, returns 0 on
2254 * success or ENOENT if the queue is empty.
2257 aac_dequeue_fib(struct aac_softc *sc, int queue, u_int32_t *fib_size,
2258 struct aac_fib **fib_addr)
2261 u_int32_t fib_index;
2267 /* get the producer/consumer indices */
2268 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
2269 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
2271 /* check for queue empty */
2277 /* wrap the pi so the following test works */
2278 if (pi >= aac_qinfo[queue].size)
2285 /* wrap the queue? */
2286 if (ci >= aac_qinfo[queue].size)
2289 /* fetch the entry */
2290 *fib_size = (sc->aac_qentries[queue] + ci)->aq_fib_size;
2293 case AAC_HOST_NORM_CMD_QUEUE:
2294 case AAC_HOST_HIGH_CMD_QUEUE:
2296 * The aq_fib_addr is only 32 bits wide so it can't be counted
2297 * on to hold an address. For AIF's, the adapter assumes
2298 * that it's giving us an address into the array of AIF fibs.
2299 * Therefore, we have to convert it to an index.
2301 fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr /
2302 sizeof(struct aac_fib);
2303 *fib_addr = &sc->aac_common->ac_fibs[fib_index];
2306 case AAC_HOST_NORM_RESP_QUEUE:
2307 case AAC_HOST_HIGH_RESP_QUEUE:
2309 struct aac_command *cm;
2312 * As above, an index is used instead of an actual address.
2313 * Gotta shift the index to account for the fast response
2314 * bit. No other correction is needed since this value was
2315 * originally provided by the driver via the SenderFibAddress
2318 fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr;
2319 cm = sc->aac_commands + (fib_index >> 2);
2320 *fib_addr = cm->cm_fib;
2323 * Is this a fast response? If it is, update the fib fields in
2324 * local memory since the whole fib isn't DMA'd back up.
2326 if (fib_index & 0x01) {
2327 (*fib_addr)->Header.XferState |= AAC_FIBSTATE_DONEADAP;
2328 *((u_int32_t*)((*fib_addr)->data)) = AAC_ERROR_NORMAL;
2333 panic("Invalid queue in aac_dequeue_fib()");
2337 /* update consumer index */
2338 sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX] = ci + 1;
2340 /* if we have made the queue un-full, notify the adapter */
2341 if (notify && (aac_qinfo[queue].notify != 0))
2342 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
2350 * Put our response to an Adapter Initialed Fib on the response queue
2353 aac_enqueue_response(struct aac_softc *sc, int queue, struct aac_fib *fib)
2362 /* Tell the adapter where the FIB is */
2363 fib_size = fib->Header.Size;
2364 fib_addr = fib->Header.SenderFibAddress;
2365 fib->Header.ReceiverFibAddress = fib_addr;
2367 /* get the producer/consumer indices */
2368 pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
2369 ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
2371 /* wrap the queue? */
2372 if (pi >= aac_qinfo[queue].size)
2375 /* check for queue full */
2376 if ((pi + 1) == ci) {
2381 /* populate queue entry */
2382 (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size;
2383 (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr;
2385 /* update producer index */
2386 sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1;
2388 /* notify the adapter if we know how */
2389 if (aac_qinfo[queue].notify != 0)
2390 AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
2399 * Check for commands that have been outstanding for a suspiciously long time,
2400 * and complain about them.
2403 aac_timeout(void *xsc)
2405 struct aac_softc *sc = xsc;
2406 struct aac_command *cm;
2410 * Traverse the busy command list, bitch about late commands once
2414 deadline = time_second - AAC_CMD_TIMEOUT;
2415 TAILQ_FOREACH(cm, &sc->aac_busy, cm_link) {
2416 if ((cm->cm_timestamp < deadline)
2417 /* && !(cm->cm_flags & AAC_CMD_TIMEDOUT) */) {
2418 cm->cm_flags |= AAC_CMD_TIMEDOUT;
2419 device_printf(sc->aac_dev,
2420 "COMMAND %p TIMEOUT AFTER %d SECONDS\n",
2421 cm, (int)(time_second-cm->cm_timestamp));
2422 AAC_PRINT_FIB(sc, cm->cm_fib);
2427 code = AAC_GET_FWSTATUS(sc);
2428 if (code != AAC_UP_AND_RUNNING) {
2429 device_printf(sc->aac_dev, "WARNING! Controller is no "
2430 "longer running! code= 0x%x\n", code);
2437 * Interface Function Vectors
2441 * Read the current firmware status word.
2444 aac_sa_get_fwstatus(struct aac_softc *sc)
2448 return(AAC_GETREG4(sc, AAC_SA_FWSTATUS));
2452 aac_rx_get_fwstatus(struct aac_softc *sc)
2456 return(AAC_GETREG4(sc, AAC_RX_FWSTATUS));
2460 aac_fa_get_fwstatus(struct aac_softc *sc)
2466 val = AAC_GETREG4(sc, AAC_FA_FWSTATUS);
2471 aac_rkt_get_fwstatus(struct aac_softc *sc)
2475 return(AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
2479 * Notify the controller of a change in a given queue
2483 aac_sa_qnotify(struct aac_softc *sc, int qbit)
2487 AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
2491 aac_rx_qnotify(struct aac_softc *sc, int qbit)
2495 AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
2499 aac_fa_qnotify(struct aac_softc *sc, int qbit)
2503 AAC_SETREG2(sc, AAC_FA_DOORBELL1, qbit);
2508 aac_rkt_qnotify(struct aac_softc *sc, int qbit)
2512 AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
2516 * Get the interrupt reason bits
2519 aac_sa_get_istatus(struct aac_softc *sc)
2523 return(AAC_GETREG2(sc, AAC_SA_DOORBELL0));
2527 aac_rx_get_istatus(struct aac_softc *sc)
2531 return(AAC_GETREG4(sc, AAC_RX_ODBR));
2535 aac_fa_get_istatus(struct aac_softc *sc)
2541 val = AAC_GETREG2(sc, AAC_FA_DOORBELL0);
2546 aac_rkt_get_istatus(struct aac_softc *sc)
2550 return(AAC_GETREG4(sc, AAC_RKT_ODBR));
2554 * Clear some interrupt reason bits
2557 aac_sa_clear_istatus(struct aac_softc *sc, int mask)
2561 AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
2565 aac_rx_clear_istatus(struct aac_softc *sc, int mask)
2569 AAC_SETREG4(sc, AAC_RX_ODBR, mask);
2573 aac_fa_clear_istatus(struct aac_softc *sc, int mask)
2577 AAC_SETREG2(sc, AAC_FA_DOORBELL0_CLEAR, mask);
2582 aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
2586 AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
2590 * Populate the mailbox and set the command word
2593 aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
2594 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2598 AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
2599 AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
2600 AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
2601 AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
2602 AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
2606 aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
2607 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2611 AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
2612 AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
2613 AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
2614 AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
2615 AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
2619 aac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command,
2620 u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2624 AAC_SETREG4(sc, AAC_FA_MAILBOX, command);
2626 AAC_SETREG4(sc, AAC_FA_MAILBOX + 4, arg0);
2628 AAC_SETREG4(sc, AAC_FA_MAILBOX + 8, arg1);
2630 AAC_SETREG4(sc, AAC_FA_MAILBOX + 12, arg2);
2632 AAC_SETREG4(sc, AAC_FA_MAILBOX + 16, arg3);
2637 aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0,
2638 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
2642 AAC_SETREG4(sc, AAC_RKT_MAILBOX, command);
2643 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
2644 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
2645 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
2646 AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
2650 * Fetch the immediate command status word
2653 aac_sa_get_mailbox(struct aac_softc *sc, int mb)
2657 return(AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
2661 aac_rx_get_mailbox(struct aac_softc *sc, int mb)
2665 return(AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
2669 aac_fa_get_mailbox(struct aac_softc *sc, int mb)
2675 val = AAC_GETREG4(sc, AAC_FA_MAILBOX + (mb * 4));
2680 aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
2684 return(AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
2688 * Set/clear interrupt masks
2691 aac_sa_set_interrupts(struct aac_softc *sc, int enable)
2693 debug(2, "%sable interrupts", enable ? "en" : "dis");
2696 AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
2698 AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
2703 aac_rx_set_interrupts(struct aac_softc *sc, int enable)
2705 debug(2, "%sable interrupts", enable ? "en" : "dis");
2708 if (sc->flags & AAC_FLAGS_NEW_COMM)
2709 AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INT_NEW_COMM);
2711 AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
2713 AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
2718 aac_fa_set_interrupts(struct aac_softc *sc, int enable)
2720 debug(2, "%sable interrupts", enable ? "en" : "dis");
2723 AAC_SETREG2((sc), AAC_FA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
2726 AAC_SETREG2((sc), AAC_FA_MASK0, ~0);
2732 aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
2734 debug(2, "%sable interrupts", enable ? "en" : "dis");
2737 if (sc->flags & AAC_FLAGS_NEW_COMM)
2738 AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
2740 AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
2742 AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
2747 * New comm. interface: Send command functions
2750 aac_rx_send_command(struct aac_softc *sc, struct aac_command *cm)
2752 u_int32_t index, device;
2754 debug(2, "send command (new comm.)");
2756 index = AAC_GETREG4(sc, AAC_RX_IQUE);
2757 if (index == 0xffffffffL)
2758 index = AAC_GETREG4(sc, AAC_RX_IQUE);
2759 if (index == 0xffffffffL)
2761 aac_enqueue_busy(cm);
2763 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys & 0xffffffffUL));
2765 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys >> 32));
2767 AAC_SETREG4(sc, device, cm->cm_fib->Header.Size);
2768 AAC_SETREG4(sc, AAC_RX_IQUE, index);
2773 aac_rkt_send_command(struct aac_softc *sc, struct aac_command *cm)
2775 u_int32_t index, device;
2777 debug(2, "send command (new comm.)");
2779 index = AAC_GETREG4(sc, AAC_RKT_IQUE);
2780 if (index == 0xffffffffL)
2781 index = AAC_GETREG4(sc, AAC_RKT_IQUE);
2782 if (index == 0xffffffffL)
2784 aac_enqueue_busy(cm);
2786 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys & 0xffffffffUL));
2788 AAC_SETREG4(sc, device, (u_int32_t)(cm->cm_fibphys >> 32));
2790 AAC_SETREG4(sc, device, cm->cm_fib->Header.Size);
2791 AAC_SETREG4(sc, AAC_RKT_IQUE, index);
2796 * New comm. interface: get, set outbound queue index
2799 aac_rx_get_outb_queue(struct aac_softc *sc)
2803 return(AAC_GETREG4(sc, AAC_RX_OQUE));
2807 aac_rkt_get_outb_queue(struct aac_softc *sc)
2811 return(AAC_GETREG4(sc, AAC_RKT_OQUE));
2815 aac_rx_set_outb_queue(struct aac_softc *sc, int index)
2819 AAC_SETREG4(sc, AAC_RX_OQUE, index);
2823 aac_rkt_set_outb_queue(struct aac_softc *sc, int index)
2827 AAC_SETREG4(sc, AAC_RKT_OQUE, index);
2831 * Debugging and Diagnostics
2835 * Print some information about the controller.
2838 aac_describe_controller(struct aac_softc *sc)
2840 struct aac_fib *fib;
2841 struct aac_adapter_info *info;
2845 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
2846 aac_alloc_sync_fib(sc, &fib);
2849 if (aac_sync_fib(sc, RequestAdapterInfo, 0, fib, 1)) {
2850 device_printf(sc->aac_dev, "RequestAdapterInfo failed\n");
2851 aac_release_sync_fib(sc);
2852 AAC_LOCK_RELEASE(&sc->aac_io_lock);
2856 /* save the kernel revision structure for later use */
2857 info = (struct aac_adapter_info *)&fib->data[0];
2858 sc->aac_revision = info->KernelRevision;
2860 device_printf(sc->aac_dev, "Adaptec Raid Controller %d.%d.%d-%d\n",
2861 AAC_DRIVER_VERSION >> 24,
2862 (AAC_DRIVER_VERSION >> 16) & 0xFF,
2863 AAC_DRIVER_VERSION & 0xFF,
2867 device_printf(sc->aac_dev, "%s %dMHz, %dMB memory "
2868 "(%dMB cache, %dMB execution), %s\n",
2869 aac_describe_code(aac_cpu_variant, info->CpuVariant),
2870 info->ClockSpeed, info->TotalMem / (1024 * 1024),
2871 info->BufferMem / (1024 * 1024),
2872 info->ExecutionMem / (1024 * 1024),
2873 aac_describe_code(aac_battery_platform,
2874 info->batteryPlatform));
2876 device_printf(sc->aac_dev,
2877 "Kernel %d.%d-%d, Build %d, S/N %6X\n",
2878 info->KernelRevision.external.comp.major,
2879 info->KernelRevision.external.comp.minor,
2880 info->KernelRevision.external.comp.dash,
2881 info->KernelRevision.buildNumber,
2882 (u_int32_t)(info->SerialNumber & 0xffffff));
2884 device_printf(sc->aac_dev, "Supported Options=%b\n",
2885 sc->supported_options,
2907 aac_release_sync_fib(sc);
2908 AAC_LOCK_RELEASE(&sc->aac_io_lock);
2912 * Look up a text description of a numeric error code and return a pointer to
2916 aac_describe_code(struct aac_code_lookup *table, u_int32_t code)
2920 for (i = 0; table[i].string != NULL; i++)
2921 if (table[i].code == code)
2922 return(table[i].string);
2923 return(table[i + 1].string);
2927 * Management Interface
2931 aac_open(struct dev_open_args *ap)
2933 cdev_t dev = ap->a_head.a_dev;
2934 struct aac_softc *sc;
2940 /* Check to make sure the device isn't already open */
2941 if (sc->aac_state & AAC_STATE_OPEN) {
2944 sc->aac_state |= AAC_STATE_OPEN;
2950 aac_close(struct dev_close_args *ap)
2952 cdev_t dev = ap->a_head.a_dev;
2953 struct aac_softc *sc;
2959 /* Mark this unit as no longer open */
2960 sc->aac_state &= ~AAC_STATE_OPEN;
2966 aac_ioctl(struct dev_ioctl_args *ap)
2968 cdev_t dev = ap->a_head.a_dev;
2969 caddr_t arg = ap->a_data;
2970 struct aac_softc *sc = dev->si_drv1;
2976 if (ap->a_cmd == AACIO_STATS) {
2977 union aac_statrequest *as = (union aac_statrequest *)arg;
2979 switch (as->as_item) {
2985 bcopy(&sc->aac_qstat[as->as_item], &as->as_qstat,
2986 sizeof(struct aac_qstat));
2995 arg = *(caddr_t *)arg;
2997 switch (ap->a_cmd) {
2998 /* AACIO_STATS already handled above */
2999 case FSACTL_SENDFIB:
3000 debug(1, "FSACTL_SENDFIB");
3001 error = aac_ioctl_sendfib(sc, arg);
3003 case FSACTL_AIF_THREAD:
3004 debug(1, "FSACTL_AIF_THREAD");
3007 case FSACTL_OPEN_GET_ADAPTER_FIB:
3008 debug(1, "FSACTL_OPEN_GET_ADAPTER_FIB");
3010 * Pass the caller out an AdapterFibContext.
3012 * Note that because we only support one opener, we
3013 * basically ignore this. Set the caller's context to a magic
3014 * number just in case.
3016 * The Linux code hands the driver a pointer into kernel space,
3017 * and then trusts it when the caller hands it back. Aiee!
3018 * Here, we give it the proc pointer of the per-adapter aif
3019 * thread. It's only used as a sanity check in other calls.
3021 cookie = (uint32_t)(uintptr_t)sc->aifthread;
3022 error = copyout(&cookie, arg, sizeof(cookie));
3024 case FSACTL_GET_NEXT_ADAPTER_FIB:
3025 debug(1, "FSACTL_GET_NEXT_ADAPTER_FIB");
3026 error = aac_getnext_aif(sc, arg);
3028 case FSACTL_CLOSE_GET_ADAPTER_FIB:
3029 debug(1, "FSACTL_CLOSE_GET_ADAPTER_FIB");
3030 /* don't do anything here */
3032 case FSACTL_MINIPORT_REV_CHECK:
3033 debug(1, "FSACTL_MINIPORT_REV_CHECK");
3034 error = aac_rev_check(sc, arg);
3036 case FSACTL_QUERY_DISK:
3037 debug(1, "FSACTL_QUERY_DISK");
3038 error = aac_query_disk(sc, arg);
3040 case FSACTL_DELETE_DISK:
3042 * We don't trust the underland to tell us when to delete a
3043 * container, rather we rely on an AIF coming from the
3048 case FSACTL_GET_PCI_INFO:
3049 arg = *(caddr_t*)arg;
3050 case FSACTL_LNX_GET_PCI_INFO:
3051 debug(1, "FSACTL_GET_PCI_INFO");
3052 error = aac_get_pci_info(sc, arg);
3055 debug(1, "unsupported cmd 0x%lx\n", ap->a_cmd);
3062 static struct filterops aac_filterops =
3063 { FILTEROP_ISFD, NULL, aac_filter_detach, aac_filter };
3066 aac_kqfilter(struct dev_kqfilter_args *ap)
3068 cdev_t dev = ap->a_head.a_dev;
3069 struct aac_softc *sc = dev->si_drv1;
3070 struct knote *kn = ap->a_kn;
3071 struct klist *klist;
3075 switch (kn->kn_filter) {
3077 kn->kn_fop = &aac_filterops;
3078 kn->kn_hook = (caddr_t)sc;
3081 ap->a_result = EOPNOTSUPP;
3085 klist = &sc->rcv_kq.ki_note;
3086 knote_insert(klist, kn);
3092 aac_filter_detach(struct knote *kn)
3094 struct aac_softc *sc = (struct aac_softc *)kn->kn_hook;
3095 struct klist *klist;
3097 klist = &sc->rcv_kq.ki_note;
3098 knote_remove(klist, kn);
3102 aac_filter(struct knote *kn, long hint)
3104 struct aac_softc *sc = (struct aac_softc *)kn->kn_hook;
3107 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
3108 if (sc->aac_aifq_tail != sc->aac_aifq_head)
3110 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3117 aac_ioctl_event(struct aac_softc *sc, struct aac_event *event, void *arg)
3120 switch (event->ev_type) {
3121 case AAC_EVENT_CMFREE:
3122 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3123 if (aac_alloc_command(sc, (struct aac_command **)arg)) {
3124 aac_add_event(sc, event);
3125 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3128 kfree(event, M_AACBUF);
3130 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3138 * Send a FIB supplied from userspace
3141 aac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib)
3143 struct aac_command *cm;
3153 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3154 if (aac_alloc_command(sc, &cm)) {
3155 struct aac_event *event;
3157 event = kmalloc(sizeof(struct aac_event), M_AACBUF,
3158 M_INTWAIT | M_ZERO);
3159 event->ev_type = AAC_EVENT_CMFREE;
3160 event->ev_callback = aac_ioctl_event;
3161 event->ev_arg = &cm;
3162 aac_add_event(sc, event);
3163 tsleep_interlock(&cm, 0);
3164 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3165 tsleep(&cm, PINTERLOCKED, "sendfib", 0);
3166 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3168 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3171 * Fetch the FIB header, then re-copy to get data as well.
3173 if ((error = copyin(ufib, cm->cm_fib,
3174 sizeof(struct aac_fib_header))) != 0)
3176 size = cm->cm_fib->Header.Size + sizeof(struct aac_fib_header);
3177 if (size > sizeof(struct aac_fib)) {
3178 device_printf(sc->aac_dev, "incoming FIB oversized (%d > %zd)\n",
3179 size, sizeof(struct aac_fib));
3180 size = sizeof(struct aac_fib);
3182 if ((error = copyin(ufib, cm->cm_fib, size)) != 0)
3184 cm->cm_fib->Header.Size = size;
3185 cm->cm_timestamp = time_second;
3188 * Pass the FIB to the controller, wait for it to complete.
3190 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3191 if ((error = aac_wait_command(cm)) != 0) {
3192 device_printf(sc->aac_dev,
3193 "aac_wait_command return %d\n", error);
3196 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3199 * Copy the FIB and data back out to the caller.
3201 size = cm->cm_fib->Header.Size;
3202 if (size > sizeof(struct aac_fib)) {
3203 device_printf(sc->aac_dev, "outbound FIB oversized (%d > %zd)\n",
3204 size, sizeof(struct aac_fib));
3205 size = sizeof(struct aac_fib);
3207 error = copyout(cm->cm_fib, ufib, size);
3208 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3212 aac_release_command(cm);
3215 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3220 * Handle an AIF sent to us by the controller; queue it for later reference.
3221 * If the queue fills up, then drop the older entries.
3224 aac_handle_aif(struct aac_softc *sc, struct aac_fib *fib)
3226 struct aac_aif_command *aif;
3227 struct aac_container *co, *co_next;
3228 struct aac_mntinfo *mi;
3229 struct aac_mntinforesp *mir = NULL;
3232 int count = 0, added = 0, i = 0;
3236 aif = (struct aac_aif_command*)&fib->data[0];
3237 aac_print_aif(sc, aif);
3239 /* Is it an event that we should care about? */
3240 switch (aif->command) {
3241 case AifCmdEventNotify:
3242 switch (aif->data.EN.type) {
3243 case AifEnAddContainer:
3244 case AifEnDeleteContainer:
3246 * A container was added or deleted, but the message
3247 * doesn't tell us anything else! Re-enumerate the
3248 * containers and sort things out.
3250 aac_alloc_sync_fib(sc, &fib);
3251 mi = (struct aac_mntinfo *)&fib->data[0];
3254 * Ask the controller for its containers one at
3256 * XXX What if the controller's list changes
3257 * midway through this enumaration?
3258 * XXX This should be done async.
3260 bzero(mi, sizeof(struct aac_mntinfo));
3261 mi->Command = VM_NameServe;
3262 mi->MntType = FT_FILESYS;
3264 rsize = sizeof(mir);
3265 if (aac_sync_fib(sc, ContainerCommand, 0, fib,
3266 sizeof(struct aac_mntinfo))) {
3267 device_printf(sc->aac_dev,
3268 "Error probing container %d\n", i);
3272 mir = (struct aac_mntinforesp *)&fib->data[0];
3273 /* XXX Need to check if count changed */
3274 count = mir->MntRespCount;
3277 * Check the container against our list.
3278 * co->co_found was already set to 0 in a
3281 if ((mir->Status == ST_OK) &&
3282 (mir->MntTable[0].VolType != CT_NONE)) {
3285 &sc->aac_container_tqh,
3287 if (co->co_mntobj.ObjectId ==
3288 mir->MntTable[0].ObjectId) {
3295 * If the container matched, continue
3304 * This is a new container. Do all the
3305 * appropriate things to set it up.
3307 aac_add_container(sc, mir, 1);
3311 } while ((i < count) && (i < AAC_MAX_CONTAINERS));
3312 aac_release_sync_fib(sc);
3315 * Go through our list of containers and see which ones
3316 * were not marked 'found'. Since the controller didn't
3317 * list them they must have been deleted. Do the
3318 * appropriate steps to destroy the device. Also reset
3319 * the co->co_found field.
3321 co = TAILQ_FIRST(&sc->aac_container_tqh);
3322 while (co != NULL) {
3323 if (co->co_found == 0) {
3324 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3326 device_delete_child(sc->aac_dev,
3329 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3330 co_next = TAILQ_NEXT(co, co_link);
3331 AAC_LOCK_ACQUIRE(&sc->
3332 aac_container_lock);
3333 TAILQ_REMOVE(&sc->aac_container_tqh, co,
3335 AAC_LOCK_RELEASE(&sc->
3336 aac_container_lock);
3337 kfree(co, M_AACBUF);
3341 co = TAILQ_NEXT(co, co_link);
3345 /* Attach the newly created containers */
3347 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3349 bus_generic_attach(sc->aac_dev);
3351 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3364 /* Copy the AIF data to the AIF queue for ioctl retrieval */
3365 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
3366 next = (sc->aac_aifq_head + 1) % AAC_AIFQ_LENGTH;
3367 if (next != sc->aac_aifq_tail) {
3368 bcopy(aif, &sc->aac_aifq[next], sizeof(struct aac_aif_command));
3369 sc->aac_aifq_head = next;
3371 /* On the off chance that someone is sleeping for an aif... */
3372 if (sc->aac_state & AAC_STATE_AIF_SLEEPER)
3373 wakeup(sc->aac_aifq);
3374 /* token may have been lost */
3375 /* Wakeup any poll()ers */
3376 KNOTE(&sc->rcv_kq.ki_note, 0);
3377 /* token may have been lost */
3379 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3385 * Return the Revision of the driver to userspace and check to see if the
3386 * userspace app is possibly compatible. This is extremely bogus since
3387 * our driver doesn't follow Adaptec's versioning system. Cheat by just
3388 * returning what the card reported.
3391 aac_rev_check(struct aac_softc *sc, caddr_t udata)
3393 struct aac_rev_check rev_check;
3394 struct aac_rev_check_resp rev_check_resp;
3400 * Copyin the revision struct from userspace
3402 if ((error = copyin(udata, (caddr_t)&rev_check,
3403 sizeof(struct aac_rev_check))) != 0) {
3407 debug(2, "Userland revision= %d\n",
3408 rev_check.callingRevision.buildNumber);
3411 * Doctor up the response struct.
3413 rev_check_resp.possiblyCompatible = 1;
3414 rev_check_resp.adapterSWRevision.external.ul =
3415 sc->aac_revision.external.ul;
3416 rev_check_resp.adapterSWRevision.buildNumber =
3417 sc->aac_revision.buildNumber;
3419 return(copyout((caddr_t)&rev_check_resp, udata,
3420 sizeof(struct aac_rev_check_resp)));
3424 * Pass the caller the next AIF in their queue
3427 aac_getnext_aif(struct aac_softc *sc, caddr_t arg)
3429 struct get_adapter_fib_ioctl agf;
3434 if ((error = copyin(arg, &agf, sizeof(agf))) == 0) {
3437 * Check the magic number that we gave the caller.
3439 if (agf.AdapterFibContext != (int)(uintptr_t)sc->aifthread) {
3443 error = aac_return_aif(sc, agf.AifFib);
3445 if ((error == EAGAIN) && (agf.Wait)) {
3446 sc->aac_state |= AAC_STATE_AIF_SLEEPER;
3447 while (error == EAGAIN) {
3448 error = tsleep(sc->aac_aifq,
3449 PCATCH, "aacaif", 0);
3451 error = aac_return_aif(sc,
3454 sc->aac_state &= ~AAC_STATE_AIF_SLEEPER;
3462 * Hand the next AIF off the top of the queue out to userspace.
3464 * YYY token could be lost during copyout
3467 aac_return_aif(struct aac_softc *sc, caddr_t uptr)
3473 AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock);
3474 if (sc->aac_aifq_tail == sc->aac_aifq_head) {
3475 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3479 next = (sc->aac_aifq_tail + 1) % AAC_AIFQ_LENGTH;
3480 error = copyout(&sc->aac_aifq[next], uptr,
3481 sizeof(struct aac_aif_command));
3483 device_printf(sc->aac_dev,
3484 "aac_return_aif: copyout returned %d\n", error);
3486 sc->aac_aifq_tail = next;
3488 AAC_LOCK_RELEASE(&sc->aac_aifq_lock);
3493 aac_get_pci_info(struct aac_softc *sc, caddr_t uptr)
3495 struct aac_pci_info {
3503 pciinf.bus = pci_get_bus(sc->aac_dev);
3504 pciinf.slot = pci_get_slot(sc->aac_dev);
3506 error = copyout((caddr_t)&pciinf, uptr,
3507 sizeof(struct aac_pci_info));
3513 * Give the userland some information about the container. The AAC arch
3514 * expects the driver to be a SCSI passthrough type driver, so it expects
3515 * the containers to have b:t:l numbers. Fake it.
3518 aac_query_disk(struct aac_softc *sc, caddr_t uptr)
3520 struct aac_query_disk query_disk;
3521 struct aac_container *co;
3522 struct aac_disk *disk;
3529 error = copyin(uptr, (caddr_t)&query_disk,
3530 sizeof(struct aac_query_disk));
3534 id = query_disk.ContainerNumber;
3538 AAC_LOCK_ACQUIRE(&sc->aac_container_lock);
3539 TAILQ_FOREACH(co, &sc->aac_container_tqh, co_link) {
3540 if (co->co_mntobj.ObjectId == id)
3545 query_disk.Valid = 0;
3546 query_disk.Locked = 0;
3547 query_disk.Deleted = 1; /* XXX is this right? */
3549 disk = device_get_softc(co->co_disk);
3550 query_disk.Valid = 1;
3552 (disk->ad_flags & AAC_DISK_OPEN) ? 1 : 0;
3553 query_disk.Deleted = 0;
3554 query_disk.Bus = device_get_unit(sc->aac_dev);
3555 query_disk.Target = disk->unit;
3557 query_disk.UnMapped = 0;
3558 bcopy(disk->ad_dev_t->si_name,
3559 &query_disk.diskDeviceName[0], 10);
3561 AAC_LOCK_RELEASE(&sc->aac_container_lock);
3563 error = copyout((caddr_t)&query_disk, uptr,
3564 sizeof(struct aac_query_disk));
3570 aac_get_bus_info(struct aac_softc *sc)
3572 struct aac_fib *fib;
3573 struct aac_ctcfg *c_cmd;
3574 struct aac_ctcfg_resp *c_resp;
3575 struct aac_vmioctl *vmi;
3576 struct aac_vmi_businf_resp *vmi_resp;
3577 struct aac_getbusinf businfo;
3578 struct aac_sim *caminf;
3580 int i, found, error;
3582 AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
3583 aac_alloc_sync_fib(sc, &fib);
3584 c_cmd = (struct aac_ctcfg *)&fib->data[0];
3585 bzero(c_cmd, sizeof(struct aac_ctcfg));
3587 c_cmd->Command = VM_ContainerConfig;
3588 c_cmd->cmd = CT_GET_SCSI_METHOD;
3591 error = aac_sync_fib(sc, ContainerCommand, 0, fib,
3592 sizeof(struct aac_ctcfg));
3594 device_printf(sc->aac_dev, "Error %d sending "
3595 "VM_ContainerConfig command\n", error);
3596 aac_release_sync_fib(sc);
3597 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3601 c_resp = (struct aac_ctcfg_resp *)&fib->data[0];
3602 if (c_resp->Status != ST_OK) {
3603 device_printf(sc->aac_dev, "VM_ContainerConfig returned 0x%x\n",
3605 aac_release_sync_fib(sc);
3606 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3610 sc->scsi_method_id = c_resp->param;
3612 vmi = (struct aac_vmioctl *)&fib->data[0];
3613 bzero(vmi, sizeof(struct aac_vmioctl));
3615 vmi->Command = VM_Ioctl;
3616 vmi->ObjType = FT_DRIVE;
3617 vmi->MethId = sc->scsi_method_id;
3619 vmi->IoctlCmd = GetBusInfo;
3621 error = aac_sync_fib(sc, ContainerCommand, 0, fib,
3622 sizeof(struct aac_vmioctl));
3624 device_printf(sc->aac_dev, "Error %d sending VMIoctl command\n",
3626 aac_release_sync_fib(sc);
3627 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3631 vmi_resp = (struct aac_vmi_businf_resp *)&fib->data[0];
3632 if (vmi_resp->Status != ST_OK) {
3633 debug(1, "VM_Ioctl returned %d\n", vmi_resp->Status);
3634 aac_release_sync_fib(sc);
3635 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3639 bcopy(&vmi_resp->BusInf, &businfo, sizeof(struct aac_getbusinf));
3640 aac_release_sync_fib(sc);
3641 AAC_LOCK_RELEASE(&sc->aac_io_lock);
3644 for (i = 0; i < businfo.BusCount; i++) {
3645 if (businfo.BusValid[i] != AAC_BUS_VALID)
3648 caminf = (struct aac_sim *)kmalloc(sizeof(struct aac_sim),
3649 M_AACBUF, M_INTWAIT | M_ZERO);
3651 child = device_add_child(sc->aac_dev, "aacp", -1);
3652 if (child == NULL) {
3653 device_printf(sc->aac_dev,
3654 "device_add_child failed for passthrough bus %d\n",
3656 kfree(caminf, M_AACBUF);
3660 caminf->TargetsPerBus = businfo.TargetsPerBus;
3661 caminf->BusNumber = i;
3662 caminf->InitiatorBusId = businfo.InitiatorBusId[i];
3663 caminf->aac_sc = sc;
3664 caminf->sim_dev = child;
3666 device_set_ivars(child, caminf);
3667 device_set_desc(child, "SCSI Passthrough Bus");
3668 TAILQ_INSERT_TAIL(&sc->aac_sim_tqh, caminf, sim_link);
3674 bus_generic_attach(sc->aac_dev);