2 * Copyright (c) 1999,2000 Michael Smith
3 * Copyright (c) 2000 BSDi
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * Copyright (c) 2002 Eric Moore
28 * Copyright (c) 2002 LSI Logic Corporation
29 * All rights reserved.
31 * Redistribution and use in source and binary forms, with or without
32 * modification, are permitted provided that the following conditions
34 * 1. Redistributions of source code must retain the above copyright
35 * notice, this list of conditions and the following disclaimer.
36 * 2. Redistributions in binary form must reproduce the above copyright
37 * notice, this list of conditions and the following disclaimer in the
38 * documentation and/or other materials provided with the distribution.
39 * 3. The party using or redistributing the source code and binary forms
40 * agrees to the disclaimer below and the terms and conditions set forth
43 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * $FreeBSD: src/sys/dev/amr/amr.c,v 1.7.2.13 2003/01/15 13:41:18 emoore Exp $
59 * Driver for the AMI MegaRaid family of controllers.
62 #include <sys/param.h>
63 #include <sys/systm.h>
64 #include <sys/malloc.h>
65 #include <sys/kernel.h>
67 #include <dev/amr/amr_compat.h>
70 #include <sys/devicestat.h>
74 #include <machine/bus_memio.h>
75 #include <machine/bus_pio.h>
76 #include <machine/bus.h>
77 #include <machine/resource.h>
80 #include <pci/pcireg.h>
81 #include <pci/pcivar.h>
83 #include <dev/amr/amrio.h>
84 #include <dev/amr/amrreg.h>
85 #include <dev/amr/amrvar.h>
86 #define AMR_DEFINE_TABLES
87 #include <dev/amr/amr_tables.h>
89 #define AMR_CDEV_MAJOR 132
91 static d_open_t amr_open;
92 static d_close_t amr_close;
93 static d_ioctl_t amr_ioctl;
95 static struct cdevsw amr_cdevsw = {
97 /* close */ amr_close,
100 /* ioctl */ amr_ioctl,
103 /* strategy */ nostrategy,
105 /* maj */ AMR_CDEV_MAJOR,
112 * Initialisation, bus interface.
114 static void amr_startup(void *arg);
119 static int amr_query_controller(struct amr_softc *sc);
120 static void *amr_enquiry(struct amr_softc *sc, size_t bufsize,
121 u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual);
122 static void amr_completeio(struct amr_command *ac);
123 static int amr_support_ext_cdb(struct amr_softc *sc);
126 * Command buffer allocation.
128 static void amr_alloccmd_cluster(struct amr_softc *sc);
129 static void amr_freecmd_cluster(struct amr_command_cluster *acc);
132 * Command processing.
134 static int amr_bio_command(struct amr_softc *sc, struct amr_command **acp);
135 static int amr_wait_command(struct amr_command *ac);
136 static int amr_getslot(struct amr_command *ac);
137 static void amr_mapcmd(struct amr_command *ac);
138 static void amr_unmapcmd(struct amr_command *ac);
139 static int amr_start(struct amr_command *ac);
140 static void amr_complete(void *context, int pending);
145 static void amr_periodic(void *data);
148 * Interface-specific shims
150 static int amr_quartz_submit_command(struct amr_softc *sc);
151 static int amr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave);
152 static int amr_quartz_poll_command(struct amr_command *ac);
154 static int amr_std_submit_command(struct amr_softc *sc);
155 static int amr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave);
156 static int amr_std_poll_command(struct amr_command *ac);
157 static void amr_std_attach_mailbox(struct amr_softc *sc);
159 #ifdef AMR_BOARD_INIT
160 static int amr_quartz_init(struct amr_softc *sc);
161 static int amr_std_init(struct amr_softc *sc);
167 static void amr_describe_controller(struct amr_softc *sc);
170 static void amr_printcommand(struct amr_command *ac);
174 /********************************************************************************
175 ********************************************************************************
177 ********************************************************************************
178 ********************************************************************************/
180 /********************************************************************************
181 ********************************************************************************
183 ********************************************************************************
184 ********************************************************************************/
186 /********************************************************************************
187 * Initialise the controller and softc.
190 amr_attach(struct amr_softc *sc)
196 * Initialise per-controller queues.
198 TAILQ_INIT(&sc->amr_completed);
199 TAILQ_INIT(&sc->amr_freecmds);
200 TAILQ_INIT(&sc->amr_cmd_clusters);
201 TAILQ_INIT(&sc->amr_ready);
202 bioq_init(&sc->amr_bioq);
204 #if __FreeBSD_version >= 500005
206 * Initialise command-completion task.
208 TASK_INIT(&sc->amr_task_complete, 0, amr_complete, sc);
211 debug(2, "queue init done");
214 * Configure for this controller type.
216 if (AMR_IS_QUARTZ(sc)) {
217 sc->amr_submit_command = amr_quartz_submit_command;
218 sc->amr_get_work = amr_quartz_get_work;
219 sc->amr_poll_command = amr_quartz_poll_command;
221 sc->amr_submit_command = amr_std_submit_command;
222 sc->amr_get_work = amr_std_get_work;
223 sc->amr_poll_command = amr_std_poll_command;
224 amr_std_attach_mailbox(sc);;
227 #ifdef AMR_BOARD_INIT
228 if ((AMR_IS_QUARTZ(sc) ? amr_quartz_init(sc) : amr_std_init(sc))))
233 * Quiz controller for features and limits.
235 if (amr_query_controller(sc))
238 debug(2, "controller query complete");
241 * Attach our 'real' SCSI channels to CAM.
243 if (amr_cam_attach(sc))
245 debug(2, "CAM attach done");
248 * Create the control device.
250 sc->amr_dev_t = make_dev(&amr_cdevsw, device_get_unit(sc->amr_dev), UID_ROOT, GID_OPERATOR,
251 S_IRUSR | S_IWUSR, "amr%d", device_get_unit(sc->amr_dev));
252 sc->amr_dev_t->si_drv1 = sc;
255 * Schedule ourselves to bring the controller up once interrupts are
258 bzero(&sc->amr_ich, sizeof(struct intr_config_hook));
259 sc->amr_ich.ich_func = amr_startup;
260 sc->amr_ich.ich_arg = sc;
261 if (config_intrhook_establish(&sc->amr_ich) != 0) {
262 device_printf(sc->amr_dev, "can't establish configuration hook\n");
267 * Print a little information about the controller.
269 amr_describe_controller(sc);
271 debug(2, "attach complete");
275 /********************************************************************************
276 * Locate disk resources and attach children to them.
279 amr_startup(void *arg)
281 struct amr_softc *sc = (struct amr_softc *)arg;
282 struct amr_logdrive *dr;
287 /* pull ourselves off the intrhook chain */
288 config_intrhook_disestablish(&sc->amr_ich);
290 /* get up-to-date drive information */
291 if (amr_query_controller(sc)) {
292 device_printf(sc->amr_dev, "can't scan controller for drives\n");
296 /* iterate over available drives */
297 for (i = 0, dr = &sc->amr_drive[0]; (i < AMR_MAXLD) && (dr->al_size != 0xffffffff); i++, dr++) {
298 /* are we already attached to this drive? */
299 if (dr->al_disk == 0) {
300 /* generate geometry information */
301 if (dr->al_size > 0x200000) { /* extended translation? */
308 dr->al_cylinders = dr->al_size / (dr->al_heads * dr->al_sectors);
310 dr->al_disk = device_add_child(sc->amr_dev, NULL, -1);
311 if (dr->al_disk == 0)
312 device_printf(sc->amr_dev, "device_add_child failed\n");
313 device_set_ivars(dr->al_disk, dr);
317 if ((error = bus_generic_attach(sc->amr_dev)) != 0)
318 device_printf(sc->amr_dev, "bus_generic_attach returned %d\n", error);
320 /* mark controller back up */
321 sc->amr_state &= ~AMR_STATE_SHUTDOWN;
323 /* interrupts will be enabled before we do anything more */
324 sc->amr_state |= AMR_STATE_INTEN;
327 * Start the timeout routine.
329 /* sc->amr_timeout = timeout(amr_periodic, sc, hz);*/
334 /*******************************************************************************
335 * Free resources associated with a controller instance
338 amr_free(struct amr_softc *sc)
340 struct amr_command_cluster *acc;
342 /* detach from CAM */
345 /* cancel status timeout */
346 untimeout(amr_periodic, sc, sc->amr_timeout);
348 /* throw away any command buffers */
349 while ((acc = TAILQ_FIRST(&sc->amr_cmd_clusters)) != NULL) {
350 TAILQ_REMOVE(&sc->amr_cmd_clusters, acc, acc_link);
351 amr_freecmd_cluster(acc);
354 /* destroy control device */
355 if( sc->amr_dev_t != (dev_t)NULL)
356 destroy_dev(sc->amr_dev_t);
359 /*******************************************************************************
360 * Receive a bio structure from a child device and queue it on a particular
361 * disk resource, then poke the disk resource to start as much work as it can.
364 amr_submit_bio(struct amr_softc *sc, struct bio *bio)
368 amr_enqueue_bio(sc, bio);
373 /********************************************************************************
374 * Accept an open operation on the control device.
377 amr_open(dev_t dev, int flags, int fmt, d_thread_t *td)
379 int unit = minor(dev);
380 struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit);
384 sc->amr_state |= AMR_STATE_OPEN;
388 /********************************************************************************
389 * Accept the last close on the control device.
392 amr_close(dev_t dev, int flags, int fmt, d_thread_t *td)
394 int unit = minor(dev);
395 struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit);
399 sc->amr_state &= ~AMR_STATE_OPEN;
403 /********************************************************************************
404 * Handle controller-specific control operations.
407 amr_ioctl(dev_t dev, u_long cmd, caddr_t addr, int32_t flag, d_thread_t *td)
409 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
410 int *arg = (int *)addr;
411 struct amr_user_ioctl *au = (struct amr_user_ioctl *)addr;
412 struct amr_command *ac;
413 struct amr_mailbox_ioctl *mbi;
414 struct amr_passthrough *ap;
427 debug(1, "AMR_IO_VERSION");
428 *arg = AMR_IO_VERSION_NUMBER;
432 debug(1, "AMR_IO_COMMAND 0x%x", au->au_cmd[0]);
433 /* handle inbound data buffer */
434 if (au->au_length != 0) {
435 if ((dp = malloc(au->au_length, M_DEVBUF, M_WAITOK)) == NULL) {
439 if ((error = copyin(au->au_buffer, dp, au->au_length)) != 0)
441 debug(2, "copyin %ld bytes from %p -> %p", au->au_length, au->au_buffer, dp);
444 if ((ac = amr_alloccmd(sc)) == NULL) {
449 /* handle SCSI passthrough command */
450 if (au->au_cmd[0] == AMR_CMD_PASS) {
451 if ((ap = malloc(sizeof(*ap), M_DEVBUF, M_WAITOK | M_ZERO)) == NULL) {
457 ap->ap_cdb_length = au->au_cmd[2];
458 bcopy(&au->au_cmd[3], &ap->ap_cdb[0], ap->ap_cdb_length);
460 /* build passthrough */
461 ap->ap_timeout = au->au_cmd[ap->ap_cdb_length + 3] & 0x07;
462 ap->ap_ars = (au->au_cmd[ap->ap_cdb_length + 3] & 0x08) ? 1 : 0;
463 ap->ap_islogical = (au->au_cmd[ap->ap_cdb_length + 3] & 0x80) ? 1 : 0;
464 ap->ap_logical_drive_no = au->au_cmd[ap->ap_cdb_length + 4];
465 ap->ap_channel = au->au_cmd[ap->ap_cdb_length + 5];
466 ap->ap_scsi_id = au->au_cmd[ap->ap_cdb_length + 6];
467 ap->ap_request_sense_length = 14;
468 ap->ap_data_transfer_length = au->au_length;
469 /* XXX what about the request-sense area? does the caller want it? */
473 ac->ac_length = sizeof(*ap);
474 ac->ac_flags |= AMR_CMD_DATAOUT;
475 ac->ac_ccb_data = dp;
476 ac->ac_ccb_length = au->au_length;
477 if (au->au_direction & AMR_IO_READ)
478 ac->ac_flags |= AMR_CMD_CCB_DATAIN;
479 if (au->au_direction & AMR_IO_WRITE)
480 ac->ac_flags |= AMR_CMD_CCB_DATAOUT;
482 ac->ac_mailbox.mb_command = AMR_CMD_PASS;
485 /* direct command to controller */
486 mbi = (struct amr_mailbox_ioctl *)&ac->ac_mailbox;
488 /* copy pertinent mailbox items */
489 mbi->mb_command = au->au_cmd[0];
490 mbi->mb_channel = au->au_cmd[1];
491 mbi->mb_param = au->au_cmd[2];
492 mbi->mb_pad[0] = au->au_cmd[3];
493 mbi->mb_drive = au->au_cmd[4];
495 /* build the command */
497 ac->ac_length = au->au_length;
498 if (au->au_direction & AMR_IO_READ)
499 ac->ac_flags |= AMR_CMD_DATAIN;
500 if (au->au_direction & AMR_IO_WRITE)
501 ac->ac_flags |= AMR_CMD_DATAOUT;
504 /* run the command */
505 if ((error = amr_wait_command(ac)) != 0)
508 /* copy out data and set status */
509 if (au->au_length != 0)
510 error = copyout(dp, au->au_buffer, au->au_length);
511 debug(2, "copyout %ld bytes from %p -> %p", au->au_length, dp, au->au_buffer);
513 debug(2, "%16d", (int)dp);
514 au->au_status = ac->ac_status;
518 debug(1, "unknown ioctl 0x%lx", cmd);
532 /********************************************************************************
533 ********************************************************************************
535 ********************************************************************************
536 ********************************************************************************/
538 /********************************************************************************
539 * Perform a periodic check of the controller status
542 amr_periodic(void *data)
544 struct amr_softc *sc = (struct amr_softc *)data;
548 /* XXX perform periodic status checks here */
550 /* compensate for missed interrupts */
554 sc->amr_timeout = timeout(amr_periodic, sc, hz);
557 /********************************************************************************
558 ********************************************************************************
560 ********************************************************************************
561 ********************************************************************************/
563 /********************************************************************************
564 * Interrogate the controller for the operational parameters we require.
567 amr_query_controller(struct amr_softc *sc)
569 struct amr_enquiry3 *aex;
570 struct amr_prodinfo *ap;
571 struct amr_enquiry *ae;
575 * If we haven't found the real limit yet, let us have a couple of commands in
576 * order to be able to probe.
578 if (sc->amr_maxio == 0)
582 * Greater than 10 byte cdb support
584 sc->support_ext_cdb = amr_support_ext_cdb(sc);
586 if(sc->support_ext_cdb) {
587 debug(2,"supports extended CDBs.");
591 * Try to issue an ENQUIRY3 command
593 if ((aex = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_ENQ3,
594 AMR_CONFIG_ENQ3_SOLICITED_FULL)) != NULL) {
597 * Fetch current state of logical drives.
599 for (ldrv = 0; ldrv < aex->ae_numldrives; ldrv++) {
600 sc->amr_drive[ldrv].al_size = aex->ae_drivesize[ldrv];
601 sc->amr_drive[ldrv].al_state = aex->ae_drivestate[ldrv];
602 sc->amr_drive[ldrv].al_properties = aex->ae_driveprop[ldrv];
603 debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size,
604 sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties);
609 * Get product info for channel count.
611 if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0)) == NULL) {
612 device_printf(sc->amr_dev, "can't obtain product data from controller\n");
615 sc->amr_maxdrives = 40;
616 sc->amr_maxchan = ap->ap_nschan;
617 sc->amr_maxio = ap->ap_maxio;
618 sc->amr_type |= AMR_TYPE_40LD;
623 /* failed, try the 8LD ENQUIRY commands */
624 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0)) == NULL) {
625 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0)) == NULL) {
626 device_printf(sc->amr_dev, "can't obtain configuration data from controller\n");
629 ae->ae_signature = 0;
633 * Fetch current state of logical drives.
635 for (ldrv = 0; ldrv < ae->ae_ldrv.al_numdrives; ldrv++) {
636 sc->amr_drive[ldrv].al_size = ae->ae_ldrv.al_size[ldrv];
637 sc->amr_drive[ldrv].al_state = ae->ae_ldrv.al_state[ldrv];
638 sc->amr_drive[ldrv].al_properties = ae->ae_ldrv.al_properties[ldrv];
639 debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size,
640 sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties);
643 sc->amr_maxdrives = 8;
644 sc->amr_maxchan = ae->ae_adapter.aa_channels;
645 sc->amr_maxio = ae->ae_adapter.aa_maxio;
650 * Mark remaining drives as unused.
652 for (; ldrv < AMR_MAXLD; ldrv++)
653 sc->amr_drive[ldrv].al_size = 0xffffffff;
656 * Cap the maximum number of outstanding I/Os. AMI's Linux driver doesn't trust
657 * the controller's reported value, and lockups have been seen when we do.
659 sc->amr_maxio = imin(sc->amr_maxio, AMR_LIMITCMD);
664 /********************************************************************************
665 * Run a generic enquiry-style command.
668 amr_enquiry(struct amr_softc *sc, size_t bufsize, u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual)
670 struct amr_command *ac;
680 /* get ourselves a command buffer */
681 if ((ac = amr_alloccmd(sc)) == NULL)
683 /* allocate the response structure */
684 if ((result = malloc(bufsize, M_DEVBUF, M_NOWAIT)) == NULL)
686 /* set command flags */
687 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
689 /* point the command at our data */
690 ac->ac_data = result;
691 ac->ac_length = bufsize;
693 /* build the command proper */
694 mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */
699 /* can't assume that interrupts are going to work here, so play it safe */
700 if (sc->amr_poll_command(ac))
702 error = ac->ac_status;
707 if ((error != 0) && (result != NULL)) {
708 free(result, M_DEVBUF);
714 /********************************************************************************
715 * Flush the controller's internal cache, return status.
718 amr_flush(struct amr_softc *sc)
720 struct amr_command *ac;
723 /* get ourselves a command buffer */
725 if ((ac = amr_alloccmd(sc)) == NULL)
727 /* set command flags */
728 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
730 /* build the command proper */
731 ac->ac_mailbox.mb_command = AMR_CMD_FLUSH;
733 /* we have to poll, as the system may be going down or otherwise damaged */
734 if (sc->amr_poll_command(ac))
736 error = ac->ac_status;
744 /********************************************************************************
745 * Detect extented cdb >> greater than 10 byte cdb support
746 * returns '1' means this support exist
747 * returns '0' means this support doesn't exist
750 amr_support_ext_cdb(struct amr_softc *sc)
752 struct amr_command *ac;
756 /* get ourselves a command buffer */
758 if ((ac = amr_alloccmd(sc)) == NULL)
760 /* set command flags */
761 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
763 /* build the command proper */
764 mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */
769 /* we have to poll, as the system may be going down or otherwise damaged */
770 if (sc->amr_poll_command(ac))
772 if( ac->ac_status == AMR_STATUS_SUCCESS ) {
782 /********************************************************************************
783 * Try to find I/O work for the controller from one or more of the work queues.
785 * We make the assumption that if the controller is not ready to take a command
786 * at some given time, it will generate an interrupt at some later time when
790 amr_startio(struct amr_softc *sc)
792 struct amr_command *ac;
794 /* spin until something prevents us from doing any work */
797 /* try to get a ready command */
798 ac = amr_dequeue_ready(sc);
800 /* if that failed, build a command from a bio */
802 (void)amr_bio_command(sc, &ac);
804 /* if that failed, build a command from a ccb */
806 (void)amr_cam_command(sc, &ac);
808 /* if we don't have anything to do, give up */
812 /* try to give the command to the controller; if this fails save it for later and give up */
814 debug(2, "controller busy, command deferred");
815 amr_requeue_ready(ac); /* XXX schedule retry very soon? */
821 /********************************************************************************
822 * Handle completion of an I/O command.
825 amr_completeio(struct amr_command *ac)
827 struct amr_softc *sc = ac->ac_sc;
829 if (ac->ac_status != AMR_STATUS_SUCCESS) { /* could be more verbose here? */
830 ac->ac_bio->bio_error = EIO;
831 ac->ac_bio->bio_flags |= BIO_ERROR;
833 device_printf(sc->amr_dev, "I/O error - 0x%x\n", ac->ac_status);
834 /* amr_printcommand(ac);*/
836 amrd_intr(ac->ac_bio);
840 /********************************************************************************
841 ********************************************************************************
843 ********************************************************************************
844 ********************************************************************************/
846 /********************************************************************************
847 * Convert a bio off the top of the bio queue into a command.
850 amr_bio_command(struct amr_softc *sc, struct amr_command **acp)
852 struct amr_command *ac;
853 struct amrd_softc *amrd;
863 /* get a bio to work on */
864 if ((bio = amr_dequeue_bio(sc)) == NULL)
868 if ((ac = amr_alloccmd(sc)) == NULL) {
873 /* connect the bio to the command */
874 ac->ac_complete = amr_completeio;
876 ac->ac_data = bio->bio_data;
877 ac->ac_length = bio->bio_bcount;
878 if (BIO_IS_READ(bio)) {
879 ac->ac_flags |= AMR_CMD_DATAIN;
882 ac->ac_flags |= AMR_CMD_DATAOUT;
883 cmd = AMR_CMD_LWRITE;
885 amrd = (struct amrd_softc *)bio->bio_dev->si_drv1;
886 driveno = amrd->amrd_drive - sc->amr_drive;
887 blkcount = (bio->bio_bcount + AMR_BLKSIZE - 1) / AMR_BLKSIZE;
889 ac->ac_mailbox.mb_command = cmd;
890 ac->ac_mailbox.mb_blkcount = blkcount;
891 ac->ac_mailbox.mb_lba = bio->bio_pblkno;
892 ac->ac_mailbox.mb_drive = driveno;
893 /* we fill in the s/g related data when the command is mapped */
895 if ((bio->bio_pblkno + blkcount) > sc->amr_drive[driveno].al_size)
896 device_printf(sc->amr_dev, "I/O beyond end of unit (%lld,%d > %lu)\n",
897 (long long)bio->bio_pblkno, blkcount,
898 (u_long)sc->amr_drive[driveno].al_size);
904 if (bio != NULL) /* this breaks ordering... */
905 amr_enqueue_bio(sc, bio);
911 /********************************************************************************
912 * Take a command, submit it to the controller and sleep until it completes
913 * or fails. Interrupts must be enabled, returns nonzero on error.
916 amr_wait_command(struct amr_command *ac)
922 ac->ac_complete = NULL;
923 ac->ac_flags |= AMR_CMD_SLEEP;
924 if ((error = amr_start(ac)) != 0)
928 /* XXX better timeout? */
929 while ((ac->ac_flags & AMR_CMD_BUSY) && (count < 30)) {
930 tsleep(ac, PRIBIO | PCATCH, "amrwcmd", hz);
935 /********************************************************************************
936 * Take a command, submit it to the controller and busy-wait for it to return.
937 * Returns nonzero on error. Can be safely called with interrupts enabled.
940 amr_std_poll_command(struct amr_command *ac)
942 struct amr_softc *sc = ac->ac_sc;
947 ac->ac_complete = NULL;
948 if ((error = amr_start(ac)) != 0)
954 * Poll for completion, although the interrupt handler may beat us to it.
955 * Note that the timeout here is somewhat arbitrary.
959 } while ((ac->ac_flags & AMR_CMD_BUSY) && (count++ < 1000));
960 if (!(ac->ac_flags & AMR_CMD_BUSY)) {
963 /* XXX the slot is now marked permanently busy */
965 device_printf(sc->amr_dev, "polled command timeout\n");
970 /********************************************************************************
971 * Take a command, submit it to the controller and busy-wait for it to return.
972 * Returns nonzero on error. Can be safely called with interrupts enabled.
975 amr_quartz_poll_command(struct amr_command *ac)
977 struct amr_softc *sc = ac->ac_sc;
983 /* now we have a slot, we can map the command (unmapped in amr_complete) */
989 while (sc->amr_busyslots){
990 tsleep(sc, PRIBIO | PCATCH, "amrpoll", hz);
996 if(sc->amr_busyslots) {
997 device_printf(sc->amr_dev, "adapter is busy\n");
1004 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, AMR_MBOX_CMDSIZE);
1006 /* clear the poll/ack fields in the mailbox */
1007 sc->amr_mailbox->mb_ident = 0xFE;
1008 sc->amr_mailbox->mb_nstatus = 0xFF;
1009 sc->amr_mailbox->mb_status = 0xFF;
1010 sc->amr_mailbox->mb_poll = 0;
1011 sc->amr_mailbox->mb_ack = 0;
1012 sc->amr_mailbox->mb_busy = 1;
1014 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT);
1016 while(sc->amr_mailbox->mb_nstatus == 0xFF);
1017 while(sc->amr_mailbox->mb_status == 0xFF);
1018 ac->ac_status=sc->amr_mailbox->mb_status;
1019 error = (ac->ac_status !=AMR_STATUS_SUCCESS) ? 1:0;
1020 while(sc->amr_mailbox->mb_poll != 0x77);
1021 sc->amr_mailbox->mb_poll = 0;
1022 sc->amr_mailbox->mb_ack = 0x77;
1024 /* acknowledge that we have the commands */
1025 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_ACK);
1026 while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK);
1030 /* unmap the command's data buffer */
1036 /********************************************************************************
1037 * Get a free command slot for a command if it doesn't already have one.
1039 * May be safely called multiple times for a given command.
1042 amr_getslot(struct amr_command *ac)
1044 struct amr_softc *sc = ac->ac_sc;
1045 int s, slot, limit, error;
1049 /* if the command already has a slot, don't try to give it another one */
1050 if (ac->ac_slot != 0)
1053 /* enforce slot usage limit */
1054 limit = (ac->ac_flags & AMR_CMD_PRIORITY) ? sc->amr_maxio : sc->amr_maxio - 4;
1055 if (sc->amr_busyslots > limit)
1059 * Allocate a slot. XXX linear scan is slow
1063 for (slot = 0; slot < sc->amr_maxio; slot++) {
1064 if (sc->amr_busycmd[slot] == NULL) {
1065 sc->amr_busycmd[slot] = ac;
1066 sc->amr_busyslots++;
1077 /********************************************************************************
1078 * Map/unmap (ac)'s data in the controller's addressable space as required.
1080 * These functions may be safely called multiple times on a given command.
1083 amr_setup_dmamap(void *arg, bus_dma_segment_t *segs, int nsegments, int error)
1085 struct amr_command *ac = (struct amr_command *)arg;
1086 struct amr_softc *sc = ac->ac_sc;
1087 struct amr_sgentry *sg;
1093 /* get base address of s/g table */
1094 sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG);
1096 /* save data physical address */
1097 ac->ac_dataphys = segs[0].ds_addr;
1099 /* for AMR_CMD_CONFIG the s/g count goes elsewhere */
1100 if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG) {
1101 sgc = &(((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param);
1103 sgc = &ac->ac_mailbox.mb_nsgelem;
1106 /* decide whether we need to populate the s/g table */
1107 if (nsegments < 2) {
1109 ac->ac_mailbox.mb_nsgelem = 0;
1110 ac->ac_mailbox.mb_physaddr = ac->ac_dataphys;
1112 ac->ac_mailbox.mb_nsgelem = nsegments;
1114 ac->ac_mailbox.mb_physaddr = sc->amr_sgbusaddr + (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry));
1115 for (i = 0; i < nsegments; i++, sg++) {
1116 sg->sg_addr = segs[i].ds_addr;
1117 sg->sg_count = segs[i].ds_len;
1123 amr_setup_ccbmap(void *arg, bus_dma_segment_t *segs, int nsegments, int error)
1125 struct amr_command *ac = (struct amr_command *)arg;
1126 struct amr_softc *sc = ac->ac_sc;
1127 struct amr_sgentry *sg;
1128 struct amr_passthrough *ap = (struct amr_passthrough *)ac->ac_data;
1129 struct amr_ext_passthrough *aep = (struct amr_ext_passthrough *)ac->ac_data;
1132 /* get base address of s/g table */
1133 sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG);
1135 /* decide whether we need to populate the s/g table */
1136 if( ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS ) {
1137 if (nsegments < 2) {
1138 aep->ap_no_sg_elements = 0;
1139 aep->ap_data_transfer_address = segs[0].ds_addr;
1141 /* save s/g table information in passthrough */
1142 aep->ap_no_sg_elements = nsegments;
1143 aep->ap_data_transfer_address = sc->amr_sgbusaddr + (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry));
1144 /* populate s/g table (overwrites previous call which mapped the passthrough) */
1145 for (i = 0; i < nsegments; i++, sg++) {
1146 sg->sg_addr = segs[i].ds_addr;
1147 sg->sg_count = segs[i].ds_len;
1148 debug(3, " %d: 0x%x/%d", i, sg->sg_addr, sg->sg_count);
1151 debug(3, "slot %d %d segments at 0x%x, passthrough at 0x%x", ac->ac_slot,
1152 aep->ap_no_sg_elements, aep->ap_data_transfer_address, ac->ac_dataphys);
1154 if (nsegments < 2) {
1155 ap->ap_no_sg_elements = 0;
1156 ap->ap_data_transfer_address = segs[0].ds_addr;
1158 /* save s/g table information in passthrough */
1159 ap->ap_no_sg_elements = nsegments;
1160 ap->ap_data_transfer_address = sc->amr_sgbusaddr + (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry));
1161 /* populate s/g table (overwrites previous call which mapped the passthrough) */
1162 for (i = 0; i < nsegments; i++, sg++) {
1163 sg->sg_addr = segs[i].ds_addr;
1164 sg->sg_count = segs[i].ds_len;
1165 debug(3, " %d: 0x%x/%d", i, sg->sg_addr, sg->sg_count);
1168 debug(3, "slot %d %d segments at 0x%x, passthrough at 0x%x", ac->ac_slot,
1169 ap->ap_no_sg_elements, ap->ap_data_transfer_address, ac->ac_dataphys);
1174 amr_mapcmd(struct amr_command *ac)
1176 struct amr_softc *sc = ac->ac_sc;
1180 /* if the command involves data at all, and hasn't been mapped */
1181 if (!(ac->ac_flags & AMR_CMD_MAPPED)) {
1183 if (ac->ac_data != NULL) {
1184 /* map the data buffers into bus space and build the s/g list */
1185 bus_dmamap_load(sc->amr_buffer_dmat, ac->ac_dmamap, ac->ac_data, ac->ac_length,
1186 amr_setup_dmamap, ac, 0);
1187 if (ac->ac_flags & AMR_CMD_DATAIN)
1188 bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_dmamap, BUS_DMASYNC_PREREAD);
1189 if (ac->ac_flags & AMR_CMD_DATAOUT)
1190 bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_dmamap, BUS_DMASYNC_PREWRITE);
1193 if (ac->ac_ccb_data != NULL) {
1194 bus_dmamap_load(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, ac->ac_ccb_data, ac->ac_ccb_length,
1195 amr_setup_ccbmap, ac, 0);
1196 if (ac->ac_flags & AMR_CMD_CCB_DATAIN)
1197 bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, BUS_DMASYNC_PREREAD);
1198 if (ac->ac_flags & AMR_CMD_CCB_DATAOUT)
1199 bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, BUS_DMASYNC_PREWRITE);
1201 ac->ac_flags |= AMR_CMD_MAPPED;
1206 amr_unmapcmd(struct amr_command *ac)
1208 struct amr_softc *sc = ac->ac_sc;
1212 /* if the command involved data at all and was mapped */
1213 if (ac->ac_flags & AMR_CMD_MAPPED) {
1215 if (ac->ac_data != NULL) {
1216 if (ac->ac_flags & AMR_CMD_DATAIN)
1217 bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_dmamap, BUS_DMASYNC_POSTREAD);
1218 if (ac->ac_flags & AMR_CMD_DATAOUT)
1219 bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_dmamap, BUS_DMASYNC_POSTWRITE);
1220 bus_dmamap_unload(sc->amr_buffer_dmat, ac->ac_dmamap);
1223 if (ac->ac_ccb_data != NULL) {
1224 if (ac->ac_flags & AMR_CMD_CCB_DATAIN)
1225 bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, BUS_DMASYNC_POSTREAD);
1226 if (ac->ac_flags & AMR_CMD_CCB_DATAOUT)
1227 bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, BUS_DMASYNC_POSTWRITE);
1228 bus_dmamap_unload(sc->amr_buffer_dmat, ac->ac_ccb_dmamap);
1230 ac->ac_flags &= ~AMR_CMD_MAPPED;
1234 /********************************************************************************
1235 * Take a command and give it to the controller, returns 0 if successful, or
1236 * EBUSY if the command should be retried later.
1239 amr_start(struct amr_command *ac)
1241 struct amr_softc *sc = ac->ac_sc;
1246 /* mark command as busy so that polling consumer can tell */
1247 ac->ac_flags |= AMR_CMD_BUSY;
1249 /* get a command slot (freed in amr_done) */
1250 if (amr_getslot(ac))
1253 /* now we have a slot, we can map the command (unmapped in amr_complete) */
1256 /* mark the new mailbox we are going to copy in as busy */
1257 ac->ac_mailbox.mb_busy = 1;
1259 /* clear the poll/ack fields in the mailbox */
1260 sc->amr_mailbox->mb_poll = 0;
1261 sc->amr_mailbox->mb_ack = 0;
1264 * Save the slot number so that we can locate this command when complete.
1265 * Note that ident = 0 seems to be special, so we don't use it.
1267 ac->ac_mailbox.mb_ident = ac->ac_slot + 1;
1270 * Spin waiting for the mailbox, give up after ~1 second. We expect the
1271 * controller to be able to handle our I/O.
1273 * XXX perhaps we should wait for less time, and count on the deferred command
1274 * handling to deal with retries?
1276 debug(4, "wait for mailbox");
1277 for (i = 10000, done = 0; (i > 0) && !done; i--) {
1280 /* is the mailbox free? */
1281 if (sc->amr_mailbox->mb_busy == 0) {
1282 debug(4, "got mailbox");
1283 sc->amr_mailbox64->mb64_segment = 0;
1284 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, AMR_MBOX_CMDSIZE);
1287 /* not free, spin waiting */
1289 debug(4, "busy flag %x\n", sc->amr_mailbox->mb_busy);
1290 /* this is somewhat ugly */
1293 splx(s); /* drop spl to allow completion interrupts */
1297 * Now give the command to the controller
1300 if (sc->amr_submit_command(sc)) {
1301 /* the controller wasn't ready to take the command, forget that we tried to post it */
1302 sc->amr_mailbox->mb_busy = 0;
1305 debug(3, "posted command");
1310 * The controller wouldn't take the command. Return the command as busy
1311 * so that it is retried later.
1316 /********************************************************************************
1317 * Extract one or more completed commands from the controller (sc)
1319 * Returns nonzero if any commands on the work queue were marked as completed.
1322 amr_done(struct amr_softc *sc)
1324 struct amr_command *ac;
1325 struct amr_mailbox mbox;
1330 /* See if there's anything for us to do */
1333 /* loop collecting completed commands */
1335 /* poll for a completed command's identifier and status */
1336 if (sc->amr_get_work(sc, &mbox)) {
1339 /* iterate over completed commands in this result */
1340 for (i = 0; i < mbox.mb_nstatus; i++) {
1341 /* get pointer to busy command */
1342 idx = mbox.mb_completed[i] - 1;
1343 ac = sc->amr_busycmd[idx];
1345 /* really a busy command? */
1348 /* pull the command from the busy index */
1349 sc->amr_busycmd[idx] = NULL;
1350 sc->amr_busyslots--;
1352 /* save status for later use */
1353 ac->ac_status = mbox.mb_status;
1354 amr_enqueue_completed(ac);
1355 debug(3, "completed command with status %x", mbox.mb_status);
1357 device_printf(sc->amr_dev, "bad slot %d completed\n", idx);
1361 break; /* no work */
1365 /* if we've completed any commands, try posting some more */
1369 /* handle completion and timeouts */
1370 #if __FreeBSD_version >= 500005
1371 if (sc->amr_state & AMR_STATE_INTEN)
1372 taskqueue_enqueue(taskqueue_swi, &sc->amr_task_complete);
1375 amr_complete(sc, 0);
1380 /********************************************************************************
1381 * Do completion processing on done commands on (sc)
1384 amr_complete(void *context, int pending)
1386 struct amr_softc *sc = (struct amr_softc *)context;
1387 struct amr_command *ac;
1391 /* pull completed commands off the queue */
1393 ac = amr_dequeue_completed(sc);
1397 /* unmap the command's data buffer */
1400 /* unbusy the command */
1401 ac->ac_flags &= ~AMR_CMD_BUSY;
1404 * Is there a completion handler?
1406 if (ac->ac_complete != NULL) {
1407 ac->ac_complete(ac);
1410 * Is someone sleeping on this one?
1412 } else if (ac->ac_flags & AMR_CMD_SLEEP) {
1416 if(!sc->amr_busyslots) {
1422 /********************************************************************************
1423 ********************************************************************************
1424 Command Buffer Management
1425 ********************************************************************************
1426 ********************************************************************************/
1428 /********************************************************************************
1429 * Get a new command buffer.
1431 * This may return NULL in low-memory cases.
1433 * If possible, we recycle a command buffer that's been used before.
1435 struct amr_command *
1436 amr_alloccmd(struct amr_softc *sc)
1438 struct amr_command *ac;
1442 ac = amr_dequeue_free(sc);
1444 amr_alloccmd_cluster(sc);
1445 ac = amr_dequeue_free(sc);
1450 /* clear out significant fields */
1453 bzero(&ac->ac_mailbox, sizeof(struct amr_mailbox));
1457 ac->ac_ccb_data = NULL;
1458 ac->ac_complete = NULL;
1462 /********************************************************************************
1463 * Release a command buffer for recycling.
1466 amr_releasecmd(struct amr_command *ac)
1470 amr_enqueue_free(ac);
1473 /********************************************************************************
1474 * Allocate a new command cluster and initialise it.
1477 amr_alloccmd_cluster(struct amr_softc *sc)
1479 struct amr_command_cluster *acc;
1480 struct amr_command *ac;
1483 acc = malloc(AMR_CMD_CLUSTERSIZE, M_DEVBUF, M_NOWAIT);
1486 TAILQ_INSERT_TAIL(&sc->amr_cmd_clusters, acc, acc_link);
1488 for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) {
1489 ac = &acc->acc_command[i];
1490 bzero(ac, sizeof(*ac));
1492 if (!bus_dmamap_create(sc->amr_buffer_dmat, 0, &ac->ac_dmamap) &&
1493 !bus_dmamap_create(sc->amr_buffer_dmat, 0, &ac->ac_ccb_dmamap))
1499 /********************************************************************************
1500 * Free a command cluster
1503 amr_freecmd_cluster(struct amr_command_cluster *acc)
1505 struct amr_softc *sc = acc->acc_command[0].ac_sc;
1508 for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++)
1509 bus_dmamap_destroy(sc->amr_buffer_dmat, acc->acc_command[i].ac_dmamap);
1510 free(acc, M_DEVBUF);
1513 /********************************************************************************
1514 ********************************************************************************
1515 Interface-specific Shims
1516 ********************************************************************************
1517 ********************************************************************************/
1519 /********************************************************************************
1520 * Tell the controller that the mailbox contains a valid command
1523 amr_quartz_submit_command(struct amr_softc *sc)
1527 if (AMR_QGET_IDB(sc) & AMR_QIDB_SUBMIT)
1529 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT);
1534 amr_std_submit_command(struct amr_softc *sc)
1538 if (AMR_SGET_MBSTAT(sc) & AMR_SMBOX_BUSYFLAG)
1540 AMR_SPOST_COMMAND(sc);
1544 /********************************************************************************
1545 * Claim any work that the controller has completed; acknowledge completion,
1546 * save details of the completion in (mbsave)
1549 amr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave)
1559 /* work waiting for us? */
1560 if ((outd = AMR_QGET_ODB(sc)) == AMR_QODB_READY) {
1562 /* save mailbox, which contains a list of completed commands */
1563 bcopy((void *)(uintptr_t)(volatile void *)sc->amr_mailbox, mbsave, sizeof(*mbsave));
1565 /* acknowledge interrupt */
1566 AMR_QPUT_ODB(sc, AMR_QODB_READY);
1568 /* acknowledge that we have the commands */
1569 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_ACK);
1571 #ifndef AMR_QUARTZ_GOFASTER
1573 * This waits for the controller to notice that we've taken the
1574 * command from it. It's very inefficient, and we shouldn't do it,
1575 * but if we remove this code, we stop completing commands under
1578 * Peter J says we shouldn't do this. The documentation says we
1579 * should. Who is right?
1581 while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK)
1582 ; /* XXX aiee! what if it dies? */
1585 worked = 1; /* got some work */
1593 amr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave)
1603 /* check for valid interrupt status */
1604 istat = AMR_SGET_ISTAT(sc);
1605 if ((istat & AMR_SINTR_VALID) != 0) {
1606 AMR_SPUT_ISTAT(sc, istat); /* ack interrupt status */
1608 /* save mailbox, which contains a list of completed commands */
1609 bcopy((void *)(uintptr_t)(volatile void *)sc->amr_mailbox, mbsave, sizeof(*mbsave));
1611 AMR_SACK_INTERRUPT(sc); /* acknowledge we have the mailbox */
1619 /********************************************************************************
1620 * Notify the controller of the mailbox location.
1623 amr_std_attach_mailbox(struct amr_softc *sc)
1626 /* program the mailbox physical address */
1627 AMR_SBYTE_SET(sc, AMR_SMBOX_0, sc->amr_mailboxphys & 0xff);
1628 AMR_SBYTE_SET(sc, AMR_SMBOX_1, (sc->amr_mailboxphys >> 8) & 0xff);
1629 AMR_SBYTE_SET(sc, AMR_SMBOX_2, (sc->amr_mailboxphys >> 16) & 0xff);
1630 AMR_SBYTE_SET(sc, AMR_SMBOX_3, (sc->amr_mailboxphys >> 24) & 0xff);
1631 AMR_SBYTE_SET(sc, AMR_SMBOX_ENABLE, AMR_SMBOX_ADDR);
1633 /* clear any outstanding interrupt and enable interrupts proper */
1634 AMR_SACK_INTERRUPT(sc);
1635 AMR_SENABLE_INTR(sc);
1638 #ifdef AMR_BOARD_INIT
1639 /********************************************************************************
1640 * Initialise the controller
1643 amr_quartz_init(struct amr_softc *sc)
1645 int status, ostatus;
1647 device_printf(sc->amr_dev, "initial init status %x\n", AMR_QGET_INITSTATUS(sc));
1652 while ((status = AMR_QGET_INITSTATUS(sc)) != AMR_QINIT_DONE) {
1653 if (status != ostatus) {
1654 device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_qinit, status));
1658 case AMR_QINIT_NOMEM:
1661 case AMR_QINIT_SCAN:
1662 /* XXX we could print channel/target here */
1670 amr_std_init(struct amr_softc *sc)
1672 int status, ostatus;
1674 device_printf(sc->amr_dev, "initial init status %x\n", AMR_SGET_INITSTATUS(sc));
1679 while ((status = AMR_SGET_INITSTATUS(sc)) != AMR_SINIT_DONE) {
1680 if (status != ostatus) {
1681 device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_sinit, status));
1685 case AMR_SINIT_NOMEM:
1688 case AMR_SINIT_INPROG:
1689 /* XXX we could print channel/target here? */
1697 /********************************************************************************
1698 ********************************************************************************
1700 ********************************************************************************
1701 ********************************************************************************/
1703 /********************************************************************************
1704 * Identify the controller and print some information about it.
1707 amr_describe_controller(struct amr_softc *sc)
1709 struct amr_prodinfo *ap;
1710 struct amr_enquiry *ae;
1714 * Try to get 40LD product info, which tells us what the card is labelled as.
1716 if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0)) != NULL) {
1717 device_printf(sc->amr_dev, "<LSILogic %.80s> Firmware %.16s, BIOS %.16s, %dMB RAM\n",
1718 ap->ap_product, ap->ap_firmware, ap->ap_bios,
1726 * Try 8LD extended ENQUIRY to get controller signature, and use lookup table.
1728 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0)) != NULL) {
1729 prod = amr_describe_code(amr_table_adaptertype, ae->ae_signature);
1731 } else if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0)) != NULL) {
1734 * Try to work it out based on the PCI signatures.
1736 switch (pci_get_device(sc->amr_dev)) {
1738 prod = "Series 428";
1741 prod = "Series 434";
1744 prod = "unknown controller";
1748 prod = "unsupported controller";
1752 * HP NetRaid controllers have a special encoding of the firmware and
1753 * BIOS versions. The AMI version seems to have it as strings whereas
1754 * the HP version does it with a leading uppercase character and two
1758 if(ae->ae_adapter.aa_firmware[2] >= 'A' &&
1759 ae->ae_adapter.aa_firmware[2] <= 'Z' &&
1760 ae->ae_adapter.aa_firmware[1] < ' ' &&
1761 ae->ae_adapter.aa_firmware[0] < ' ' &&
1762 ae->ae_adapter.aa_bios[2] >= 'A' &&
1763 ae->ae_adapter.aa_bios[2] <= 'Z' &&
1764 ae->ae_adapter.aa_bios[1] < ' ' &&
1765 ae->ae_adapter.aa_bios[0] < ' ') {
1767 /* this looks like we have an HP NetRaid version of the MegaRaid */
1769 if(ae->ae_signature == AMR_SIG_438) {
1770 /* the AMI 438 is a NetRaid 3si in HP-land */
1771 prod = "HP NetRaid 3si";
1774 device_printf(sc->amr_dev, "<%s> Firmware %c.%02d.%02d, BIOS %c.%02d.%02d, %dMB RAM\n",
1775 prod, ae->ae_adapter.aa_firmware[2],
1776 ae->ae_adapter.aa_firmware[1],
1777 ae->ae_adapter.aa_firmware[0],
1778 ae->ae_adapter.aa_bios[2],
1779 ae->ae_adapter.aa_bios[1],
1780 ae->ae_adapter.aa_bios[0],
1781 ae->ae_adapter.aa_memorysize);
1783 device_printf(sc->amr_dev, "<%s> Firmware %.4s, BIOS %.4s, %dMB RAM\n",
1784 prod, ae->ae_adapter.aa_firmware, ae->ae_adapter.aa_bios,
1785 ae->ae_adapter.aa_memorysize);
1791 /********************************************************************************
1792 * Print the command (ac) in human-readable format
1796 amr_printcommand(struct amr_command *ac)
1798 struct amr_softc *sc = ac->ac_sc;
1799 struct amr_sgentry *sg;
1802 device_printf(sc->amr_dev, "cmd %x ident %d drive %d\n",
1803 ac->ac_mailbox.mb_command, ac->ac_mailbox.mb_ident, ac->ac_mailbox.mb_drive);
1804 device_printf(sc->amr_dev, "blkcount %d lba %d\n",
1805 ac->ac_mailbox.mb_blkcount, ac->ac_mailbox.mb_lba);
1806 device_printf(sc->amr_dev, "virtaddr %p length %lu\n", ac->ac_data, (unsigned long)ac->ac_length);
1807 device_printf(sc->amr_dev, "sg physaddr %08x nsg %d\n",
1808 ac->ac_mailbox.mb_physaddr, ac->ac_mailbox.mb_nsgelem);
1809 device_printf(sc->amr_dev, "ccb %p bio %p\n", ac->ac_ccb_data, ac->ac_bio);
1811 /* get base address of s/g table */
1812 sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG);
1813 for (i = 0; i < ac->ac_mailbox.mb_nsgelem; i++, sg++)
1814 device_printf(sc->amr_dev, " %x/%d\n", sg->sg_addr, sg->sg_count);